CN105067831A - CAN-bus rotating speed sensor and data processing method based on CAN bus - Google Patents
CAN-bus rotating speed sensor and data processing method based on CAN bus Download PDFInfo
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- CN105067831A CN105067831A CN201510425198.2A CN201510425198A CN105067831A CN 105067831 A CN105067831 A CN 105067831A CN 201510425198 A CN201510425198 A CN 201510425198A CN 105067831 A CN105067831 A CN 105067831A
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Abstract
The invention discloses a CAN-bus rotating speed sensor and a data processing method based on a CAN bus. The CAN-bus rotating speed sensor comprises a CAN bus terminal, a data transmission chip, and a mobile terminal. The CAN bus terminal is used for acquiring the parameter information of a vehicle and sending a message carrying the parameter information. The data transmission chip is used for receiving the message sent by the CAN bus terminal and sending the message to the mobile terminal. The mobile terminal is used for receiving the message sent by the data transmission chip, analyzing the acquired message in order to obtain first data information indicative of vehicle running speed and/or engine rotating speed, and displaying the first data information in a terminal interface of the mobile terminal. The CAN-bus rotating speed sensor may accurately and fast feed back running information of the vehicle without any external devices, and is simple in structure and low in cost.
Description
Technical field
The present invention relates to technical field of vehicle, particularly a kind of CAN speed probe and a kind of data processing method based on CAN.
Background technology
At present, along with the raising of living standards of the people, automobile becomes the main walking-replacing tool of people gradually, and vehicle is also more and more intelligent, being on the increase of vehicle electronic control unit and auto electroincs, adopting universal serial bus to realize multipath transmission, formed automobile electric network, is a kind of not only reliable but also economic way.Hyundai Motor is based on the requirement of safety and reliability simultaneously, considers just more and more to use electric-control system to replace original machinery and hydraulic system.
User is when using vehicle or detecting, need the form information understanding vehicle in time, to go forward side by side line item or be supplied to other equipment as input information, at present normally by connecting an external equipment on vehicle body cable, by collecting the form information of vehicle to the electric signal collection on vehicle body cable, be then shown to user.But, external equipment connection is complicated, and the circuit structure of the easy interfere with vehicles Circuits System of the access of external equipment itself, even cause the damage of vehicle Circuits System, and, signal is when receiving, and it is poor, imperfect that the signal disturbing between the Circuits System of external equipment and vehicle itself often causes collection to obtain information quality, cannot ensure the every driving information feeding back vehicle quickly and accurately.
Summary of the invention
In view of the above problems, the present invention is proposed to provide a kind of overcoming the problems referred to above or a kind of CAN speed probe solved the problem at least in part and a kind of data processing method based on CAN.
According to one aspect of the present invention, provide a kind of CAN speed probe, comprising:
CAN terminal, for the parameter information of collection vehicle, and sends the message carrying described parameter information;
Data transmission chip, for receiving the message that described CAN terminal sends, and is sent to mobile terminal by described message;
Mobile terminal, for receiving the message sent by described data transmission chip, and the described message obtained is resolved, obtain the first data message being used to indicate Vehicle Speed and/or engine speed, and, in the terminal interface of described mobile terminal, show described first data message.
Alternatively, described CAN speed probe also comprises: II type onboard diagnostic system interface; Described CAN terminal is connected by II type onboard diagnostic system interface with described data transmission chip.
Alternatively, described CAN speed probe also comprises:
Digital signal processor, resolves for obtaining described mobile terminal the first data message obtained, and described first data message is converted to digital signal, and described digital signal is sent to third party's data acquisition equipment.
Alternatively, described digital signal processor, resolve for being obtained described mobile terminal by the earphone interface in described mobile terminal the first data message obtained, and described first data message is converted to digital signal, and described digital signal is sent to third party's data acquisition equipment.
Alternatively, described CAN speed probe also comprises:
Database server, the first data message obtained is resolved for obtaining described mobile terminal, and preserve described first data message, and, receiving the inquiry request of described mobile terminal transmission, respond described inquiry request, described first data message preserved is sent to described mobile terminal.
Alternatively, described data transmission chip comprises: at least one in Bluetooth chip, WIFI chip and USB interface.
According to a further aspect in the invention, provide a kind of data processing method based on CAN, comprising:
The message carrying the parameter information of vehicle is obtained from CAN terminal;
Described message is sent to mobile terminal by data transmission chip;
Resolve described message by described mobile terminal, obtain the first data message being used to indicate Vehicle Speed and/engine speed;
Load in the terminal interface of described mobile terminal and show described first data message.
Alternatively, by II type onboard diagnostic system interface, from CAN terminal, obtain the message carrying the parameter information of vehicle.
Alternatively, at the described message of described parsing, after obtaining the step of the first data message being used to indicate Vehicle Speed and/engine speed, described method also comprises:
By digital signal processor, described first data message is changed to digital signal; And, described digital signal is sent to third party's data acquisition equipment.
Alternatively, at the described message of described parsing, after obtaining the step of the first data message being used to indicate Vehicle Speed and/engine speed, described method also comprises:
Described first data message is kept at this locality, and/or, described first data message is sent in database server and preserves.
A kind of CAN speed probe scheme disclosed in the embodiment of the present invention, CAN terminal directly can gather original parameters information from vehicle, there is not any signal interference problem, ensure that the stability of signal and the ease for use of equipment greatly.Further, the message generated by CAN terminal received can be sent to mobile terminal by data transmission chip, mobile terminal is after receiving message, immediately described message is resolved, obtain the first data message being used to indicate Vehicle Speed and/or engine speed, and, in the terminal interface of described mobile terminal, show described first data message in time, feed back every driving information of vehicle quickly and accurately.Meanwhile, the CAN sensor plan described in the embodiment of the present invention does not need acquisition and the display that can realize every driving information by other any external equipments, and structure is simple, and cost is lower.
Further, mobile terminal is adopted to carry out the display of data message, data message is made to be not limited only to show on vehicle, even if when away from vehicle, also every data message of vehicle immediately can be shown to user, improve portability and the practicality of data message display, meet the real work demand of industry spot.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of instructions, and can become apparent, below especially exemplified by the specific embodiment of the present invention to allow above and other objects of the present invention, feature and advantage.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of CAN speed probe in the embodiment of the present invention one;
Fig. 2 is the structural representation of a kind of CAN speed probe in the embodiment of the present invention two;
Fig. 3 is the structural representation of a kind of CAN speed probe in the embodiment of the present invention three;
Fig. 4 is the flow chart of steps of a kind of data processing method based on CAN in the embodiment of the present invention four;
Fig. 5 is the flow chart of steps of a kind of data processing method based on CAN in the embodiment of the present invention five.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Embodiment one
With reference to Fig. 1, show the structural representation of a kind of CAN speed probe in the embodiment of the present invention one.In the present embodiment, described CAN speed probe can comprise:
CAN terminal 102, for the parameter information of collection vehicle, and sends the message carrying described parameter information.
CAN, ControllerAreaNetwork, Controller Area Network BUS, be a kind of serial communication protocol bus for applying in real time, it can use twisted-pair feeder to carry out signal transmission.In the present embodiment, can by the parameter information of CAN terminal 102 based on CAN collection vehicle, as, CAN terminal can receive Vehicle Body Bus signal based on the standard agreement of CAN, wherein, carry the parameters information of vehicle operating in described Vehicle Body Bus signal, described parameter information can include but not limited to: vehicle speed signal, wheel speed signal, body acceleration signal and steering wheel torque signal etc.
What those skilled in the art should understand is, CAN terminal 102 can transmit the parameter information of collection in any one suitable mode, as, CAN terminal 102 can generate the message carrying described parameter information, is realized the transmission of described parameter information by the transmission of message.
Data transmission chip 104, for receiving the message that described CAN terminal 102 sends, and is sent to mobile terminal 106 by described message.
In the present embodiment, described data transmission chip 104 can be that any one may be used for carrying out the chip (or device or system or interface) of wireless or wired data transfer.Such as, described data transmission chip 104 can but be not limited only to be: Wifi (WIreless-Fidelity, Wireless Fidelity) chip, bluetooth transmission means, infrared transmission means and USB (UniversalSerialBus, USB (universal serial bus)) interface etc.
Mobile terminal 106, for receiving the message sent by described data transmission chip 104, and the described message obtained is resolved, obtain the first data message being used to indicate Vehicle Speed and/engine speed, and, in described interface of mobile terminal, show described first data message.
In the present embodiment, described mobile terminal 106 can have and to transmit receiving chip corresponding to chip 104 (or device or system or interface) with described data, as, Wifi receiving chip, Bluetooth receptions device, infrared receiving device, USB interface etc.Mobile terminal 106 can be resolved the message received, such as, by the parsing module in mobile terminal 106, according to the form of CAN message, the message received can be resolved, obtain the first data message being used to indicate Vehicle Speed and/engine speed.Resolve the first data message obtained can be loaded timely, show in the terminal interface of described mobile terminal 106.
It should be noted that, described parsing module can be the hardware function in described mobile terminal 106, also can be present in described mobile terminal 106 with the form of software program.Wherein, described mobile terminal 106 can include but are not limited to: mobile phone terminal, panel computer, notebook, navigating instrument, onboard system etc.
Further, in the present embodiment, described mobile terminal 106 is resolved the data message obtained and is comprised but be not limited only to described first data message, mobile terminal 106 can after receiving message, establishment and the editor of analysis protocol is carried out based on CAN international standard and according to the demand of user, any one suitable analysis protocol according to creating is resolved described message, obtain different data messages, as, the second data message of the engine temperature being used to indicate vehicle can also be obtained, be used to indicate the 3rd data message of the steering wheel torque of vehicle, be used to indicate the 4th data message of oil mass information, be used to indicate vehicle and travel the 5th data message of milimeter number etc., the present embodiment is not restricted this.
In sum, the CAN speed probe described in the present embodiment, CAN terminal directly can gather original parameters information from vehicle, there is not any signal interference problem, ensure that the stability of signal and the ease for use of equipment greatly.Further, the message generated by CAN terminal received can be sent to mobile terminal by data transmission chip, mobile terminal is after receiving message, immediately described message is resolved, obtain the first data message being used to indicate Vehicle Speed and/or engine speed, and, in the terminal interface of described mobile terminal, show described first data message in time, feed back every driving information of vehicle quickly and accurately.Meanwhile, directly can be realized acquisition and the display of data message by the CAN sensor described in the present embodiment, not need acquisition and the display that can realize every driving information by other any external equipments, simplify device structure, reduce cost.
Further, mobile terminal is adopted to carry out the display of data message, data message is made to be not limited only to show on vehicle, even if when away from vehicle, also every data message of vehicle immediately can be shown to user, improve portability and the practicality of data message display, meet the real work demand of industry spot.
With reference to Fig. 2, show the structural representation of a kind of CAN speed probe in the embodiment of the present invention two.In the present embodiment, described CAN speed probe can comprise:
CAN terminal 202, for the parameter information of collection vehicle, and sends the message carrying described parameter information.
Data transmission chip 204, for receiving the message that described CAN terminal 202 sends, and is sent to mobile terminal by described message.
In the present embodiment, described CAN speed probe can receive the message of CAN terminal 202 transmission by any one suitable mode.Wherein, a kind of feasible mode can be as follows: described CAN terminal 202 is connected by II type onboard diagnostic system interface with described data transmission chip 204.Wherein, described II type onboard diagnostic system (OBD II, On-BoardDiagnostic II) interface can be the interface of in bodywork system one setting, data transmission chip 204 is directly connected with described OBD II interface, to obtain the message of CAN terminal 202 transmission.
Further, described OBD II interface can directly for described data transmission chip 204 be powered, and without the need to externally fed equipment, what ensure that equipment continues normal operation, simplifies device structure.
Mobile terminal 206, for receiving the message sent by described data transmission chip, and the described message obtained is resolved, obtain the first data message being used to indicate Vehicle Speed and/or engine speed, and, in the terminal interface of described mobile terminal, show described first data message.
In a preferred version of the present embodiment, described CAN speed probe can also comprise:
Digital signal processor 208, resolves for obtaining described mobile terminal 206 the first data message obtained, and described first data message is converted to digital signal, and described digital signal is sent to third party's data acquisition equipment 210.
In the present embodiment, digital signal processor 208 can by obtain the first data message be converted to standard digital signal (as, Transistor-Transistor Logic level signal, Transistortransistorlogic), the digital signal be converted to can be sent to third party's data acquisition equipment 210, every comprehensive analysis can be carried out to vehicle according to the digital signal that third party's data acquisition equipment 210 is collected, obtain every experimental data, for every R&D work.
Wherein, described digital signal processor 208 can obtain described first data message by any one suitable mode, e.g., obtains described first data message by wireless transmission.Again such as, for mobile phone, described digital signal processor 208 can obtain described first data message based on the earphone interface in described mobile terminal (e.g., mobile phone).
It should be noted that, described third party's data acquisition equipment 210 can select equipment suitable arbitrarily using as described third party's data acquisition equipment 210 according to the demand of actual conditions, the data gathered comprehensively are analyzed, certainly, described mobile terminal itself also can be considered as being third party's data acquisition equipment, and the present embodiment is not restricted this.
In another preferred version of the present embodiment, described CAN speed probe can also comprise:
Database server 212, the first data message obtained is resolved for obtaining described mobile terminal 206, and preserve described first data message, and, when receiving the inquiry request that described mobile terminal 206 sends, respond described inquiry request, described first data message preserved is sent to described mobile terminal 206.
In the present embodiment, described first data message can be kept at this locality or, be kept in described database server 212, when user sends inquiry request by described mobile terminal, can be instant the historical data information of preservation is sent to mobile terminal 206, and user can be shown to by the terminal interface of described mobile terminal 206.Certainly, user's (e.g., technician) also usage data storehouse is supporting at any time analysis software can derive the historical data of preserving in described database server 212, carries out analyzing and processing to the data message of deriving.
In sum, the CAN speed probe described in the present embodiment, CAN terminal directly can gather original parameters information from vehicle, there is not any signal interference problem, ensure that the stability of signal and the ease for use of equipment greatly.Further, the message generated by CAN terminal received can be sent to mobile terminal by data transmission chip, mobile terminal is after receiving message, immediately described message is resolved, obtain the first data message being used to indicate Vehicle Speed and/or engine speed, and, in the terminal interface of described mobile terminal, show described first data message in time, feed back every driving information of vehicle quickly and accurately.Meanwhile, directly can be realized acquisition and the display of data message by the CAN sensor described in the present embodiment, not need acquisition and the display that can realize every driving information by other any external equipments, simplify device structure, reduce cost.
Further, mobile terminal is adopted to carry out the display of data message, data message is made to be not limited only to show on vehicle, even if when away from vehicle, also every data message of vehicle immediately can be shown to user, improve portability and the practicality of data message display, meet the real work demand of industry spot.
In addition, the CAN speed probe described in the present embodiment is the storage of supported data information (e.g., the first data message) and analysis also.As, third party's data acquisition equipment is exported to after data message can being converted to digital signal, and for example, can data message be kept in the database server of network side, technician can obtain the digital signal of storage from the collection of third party's data acquisition equipment, and/or from database server, obtain the data message of storage, to analyze described numerical information and/or data message, achieve the unified management of data, be convenient to check and call, improve the treatment effeciency of data message.
Embodiment three
Based on above-described embodiment, the present embodiment is described in detail for the structure of practical application to described CAN speed probe of CAN speed probe in vehicle, in reconcilable situation, the CAN speed probe described in the present embodiment can combine with the CAN speed probe described in above-described embodiment.Below the structure of the CAN speed probe described in the present embodiment is specifically described.
With reference to Fig. 3, show the structural representation of a kind of CAN speed probe in the embodiment of the present invention three.In the present embodiment, described CAN speed probe can comprise: CAN terminal 302, the data be connected with vehicle body by vehicle body OBD II interface transmit chip, mobile terminal, digital signal processor 308, universal data acquisition equipment 310 and database server 312.Wherein, in the present embodiment, described data transmission chip can be specifically CAN-BUS bluetooth communication chip 304, and described mobile terminal can be specifically mobile phone terminal 306, and described mobile terminal 306 is supported the data transfer modes such as Wifi, bluetooth, USB and has general earphone interface.
Wherein,
CAN terminal 302, for the parameter information by collection vehicle, generates message according to described parameter information, and sends the message carrying described parameter information.
CAN-BUS bluetooth communication chip 304, for the message sent out to CAN terminal 302 by OBD II interface, and is sent to mobile phone terminal 306 based on Bluetooth data transfer mechanism by the message received.
In the present embodiment, CAN-BUS bluetooth communication chip 304 is by OBDII interface access vehicle body CAN diagnostic network, the speed of a motor vehicle and/or engine rotational speed signal is obtained by the mode obtaining communication packet, quick and easy for installation, vehicle body circuit is not impacted, and directly obtain message by bus mode, there is not the problem of signal disturbing, provide the quality of the message of acquisition.
Mobile phone terminal 306, for by the Bluetooth chip in described mobile phone terminal 306, receives the message of CAN-BUS bluetooth communication chip 304 transmission based on Bluetooth data reception mechanism; And, the described message obtained is resolved, obtains the first data message being used to indicate Vehicle Speed and/or engine speed, and, in the terminal interface of described mobile terminal, show described first data message.
Digital signal processor 308, resolves for obtaining described mobile phone terminal 306 the first data message obtained, and described first data message is converted into digital signal.Wherein, described digital signal processor 308 can be connected with described mobile phone terminal by the earphone interface in mobile phone terminal 306.
Universal data acquisition equipment 310, for obtaining the digital signal that described digital signal processor 308 is converted to, recording described data-signal and/or analyzing.
Database server 312, the first data message obtained is resolved for obtaining described mobile phone terminal 306, and preserve described first data message, and, when receiving the inquiry request that described mobile phone terminal sends, respond described inquiry request, described first data message preserved is sent to described mobile phone terminal 306.
Certainly, what those skilled in the art should understand is, mobile phone terminal 306 resolves the first data message obtained also directly can be kept at this locality, but in order to save the storage space of mobile phone terminal 306, preferably, can by described first data message by Wifi or, any one in bluetooth or mobile network's (e.g., 3G, 4G), described first data message is sent in database server 312 and stores.
In sum, the CAN speed probe described in the present embodiment, CAN terminal directly can gather original parameters information from vehicle, there is not any signal interference problem, ensure that the stability of signal and the ease for use of equipment greatly.Further, the message generated by CAN terminal received can be sent to mobile terminal by data transmission chip, mobile terminal is after receiving message, immediately described message is resolved, obtain the first data message being used to indicate Vehicle Speed and/or engine speed, and, in the terminal interface of described mobile terminal, show described first data message in time, feed back every driving information of vehicle quickly and accurately.Meanwhile, directly can be realized acquisition and the display of data message by the CAN sensor described in the present embodiment, not need acquisition and the display that can realize every driving information by other any external equipments, simplify device structure, reduce cost.
Further, mobile terminal is adopted to carry out the display of data message, data message is made to be not limited only to show on vehicle, even if when away from vehicle, also every data message of vehicle immediately can be shown to user, improve portability and the practicality of data message display, meet the real work demand of industry spot.
In addition, the CAN speed probe described in the present embodiment is the storage of supported data information (e.g., the first data message) and analysis also.As, third party's data acquisition equipment is exported to after data message can being converted to digital signal, and for example, can data message be kept in the database server of network side, technician can obtain the digital signal of storage from the collection of third party's data acquisition equipment, and/or from database server, obtain the data message of storage, to analyze described numerical information and/or data message, achieve the unified management of data, be convenient to check and call, improve the treatment effeciency of data message.
Embodiment four
Based on inventive concept same as said apparatus embodiment.With reference to Fig. 4, show the flow chart of steps of a kind of data processing method based on CAN in the embodiment of the present invention four.In the present embodiment, the described data processing method based on CAN can comprise:
Step 402, obtains the message carrying the parameter information of vehicle from CAN terminal.
Step 404, is sent to mobile terminal by described message by data transmission chip.
Step 406, resolves described message by described mobile terminal, obtains the first data message being used to indicate Vehicle Speed and/engine speed.
Step 408, loads and shows described first data message in the terminal interface of described mobile terminal.
In sum, the data processing method based on CAN speed probe described in the present embodiment, CAN terminal directly can gather original parameters information from vehicle, there is not any signal interference problem, ensure that the stability of signal and the ease for use of equipment greatly.Further, the message generated by CAN terminal received can be sent to mobile terminal by data transmission chip, mobile terminal is after receiving message, immediately described message is resolved, obtain the first data message being used to indicate Vehicle Speed and/or engine speed, and, in the terminal interface of described mobile terminal, show described first data message in time, feed back every driving information of vehicle quickly and accurately.Meanwhile, by the method described in the present embodiment, acquisition and the display that can realize every driving information by other any external equipments can not be needed, simplify device structure, reduce cost.
Further, mobile terminal is adopted to carry out the display of data message, data message is made to be not limited only to show on vehicle, even if when away from vehicle, also every data message of vehicle immediately can be shown to user, improve portability and the practicality of data message display, meet the real work demand of industry spot.
Embodiment five
With reference to Fig. 5, show the flow chart of steps of a kind of data processing method based on CAN in the embodiment of the present invention five.In the present embodiment, can by CAN speed probe to realize the described data processing method based on CAN, wherein, described CAN speed probe at least can comprise: the transmission of CAN terminal, data chip, mobile terminal, II type onboard diagnostic system interface, digital signal processor and database server.
Particularly, the described data processing method based on CAN can comprise:
Step 502, obtains the message carrying the parameter information of vehicle from CAN terminal.
In the present embodiment, can by the parameter information of the CAN terminal collection vehicle in CAN speed probe, and transmit described parameter information by the form of message, data transmission chip can be connected with vehicle body by II type onboard diagnostic system interface, to obtain the message carrying the parameter information of vehicle from CAN terminal.
Step 504, described message is sent to mobile terminal by data transmission chip by CAN speed probe.
Step 506, CAN speed probe resolves described message by described mobile terminal, obtains the first data message being used to indicate Vehicle Speed and/engine speed.
Step 508, CAN speed probe loads and shows described first data message in the terminal interface of described mobile terminal.
In a preferred version of the present embodiment, described method can also comprise the steps 510, and wherein, described step 510 can perform after above-mentioned steps 506:
Step 510, described first data message is changed to digital signal by digital signal processor by CAN speed probe; And, described digital signal is sent to third party's data acquisition equipment.
In another preferred version of the present embodiment, described method can also comprise the steps 512, and wherein, described step 512 can perform after above-mentioned steps 506:
Step 512, it is local that described first data message is kept at described mobile terminal by CAN speed probe, and/or, by described mobile terminal described first data message is sent in database server and preserves.
It should be noted that, above-mentioned steps 508, step 510 and step 512 do not have inevitable sequencing when performing, and can perform successively, and perform while also can walking abreast, the present embodiment is not restricted this.
In sum, the data processing method based on CAN speed probe described in the present embodiment, CAN terminal directly can gather original parameters information from vehicle, there is not any signal interference problem, ensure that the stability of signal and the ease for use of equipment greatly.Further, the message generated by CAN terminal received can be sent to mobile terminal by data transmission chip, mobile terminal is after receiving message, immediately described message is resolved, obtain the first data message being used to indicate Vehicle Speed and/or engine speed, and, in the terminal interface of described mobile terminal, show described first data message in time, feed back every driving information of vehicle quickly and accurately.Meanwhile, by the method described in the present embodiment, acquisition and the display that can realize every driving information by other any external equipments can not be needed, simplify device structure, reduce cost.
Further, mobile terminal is adopted to carry out the display of data message, data message is made to be not limited only to show on vehicle, even if when away from vehicle, also every data message of vehicle immediately can be shown to user, improve portability and the practicality of data message display, meet the real work demand of industry spot.
In addition, the method described in the present embodiment is the storage of supported data information (e.g., the first data message) and analysis also.As, third party's data acquisition equipment is exported to after data message can being converted to digital signal, and for example, can data message be kept in the database server of network side, technician can obtain the digital signal of storage from the collection of third party's data acquisition equipment, and/or from database server, obtain the data message of storage, to analyze described numerical information and/or data message, achieve the unified management of data, be convenient to check and call, improve the treatment effeciency of data message.
It should be noted that, for aforesaid embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and involved action might not be essential to the invention.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Above a kind of CAN speed probe provided by the present invention and a kind of data processing method based on CAN are described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a CAN speed probe, is characterized in that, comprising:
CAN terminal, for the parameter information of collection vehicle, and sends the message carrying described parameter information;
Data transmission chip, for receiving the message that described CAN terminal sends, and is sent to mobile terminal by described message;
Mobile terminal, for receiving the message sent by described data transmission chip, and the described message obtained is resolved, obtain the first data message being used to indicate Vehicle Speed and/or engine speed, and, in the terminal interface of described mobile terminal, show described first data message.
2. CAN speed probe according to claim 1, is characterized in that, also comprise: II type onboard diagnostic system interface;
Described CAN terminal is connected by II type onboard diagnostic system interface with described data transmission chip.
3. CAN speed probe according to claim 1, is characterized in that, also comprise:
Digital signal processor, resolves for obtaining described mobile terminal the first data message obtained, and described first data message is converted to digital signal, and described digital signal is sent to third party's data acquisition equipment.
4. CAN speed probe according to claim 1, it is characterized in that, described digital signal processor, the first data message obtained is resolved for being obtained described mobile terminal by the earphone interface in described mobile terminal, and described first data message is converted to digital signal, and described digital signal is sent to third party's data acquisition equipment.
5. CAN speed probe according to claim 1, is characterized in that, also comprise:
Database server, the first data message obtained is resolved for obtaining described mobile terminal, and preserve described first data message, and, when receiving the inquiry request that described mobile terminal sends, respond described inquiry request, described first data message preserved is sent to described mobile terminal.
6. the CAN speed probe according to any one of claim 1-5, is characterized in that, described data transmission chip comprises: at least one in Bluetooth chip, WIFI chip and USB interface.
7. based on a data processing method for CAN, it is characterized in that, comprising:
The message carrying the parameter information of vehicle is obtained from CAN terminal;
Described message is sent to mobile terminal by data transmission chip;
Resolve described message by described mobile terminal, obtain the first data message being used to indicate Vehicle Speed and/engine speed;
Load in the terminal interface of described mobile terminal and show described first data message.
8. method according to claim 7, is characterized in that, by II type onboard diagnostic system interface, obtains the message carrying the parameter information of vehicle from CAN terminal.
9. method according to claim 7, is characterized in that, at the described message of described parsing, after obtaining the step of the first data message being used to indicate Vehicle Speed and/engine speed, described method also comprises:
By digital signal processor, described first data message is changed to digital signal; And described digital signal is sent to third party's data acquisition equipment.
10. method according to claim 7, is characterized in that, at the described message of described parsing, after obtaining the step of the first data message being used to indicate Vehicle Speed and/engine speed, described method also comprises:
Described first data message is kept at this locality, and/or, described first data message is sent in database server and preserves.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108226564A (en) * | 2016-12-30 | 2018-06-29 | 广州市华泽科技有限公司 | A kind of radio-type vehicle speed sensor |
| CN108921971A (en) * | 2018-05-30 | 2018-11-30 | 北京图森未来科技有限公司 | A kind of automatic driving vehicle digital data recording system and method, data acquisition equipment |
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| CN113411767A (en) * | 2021-05-12 | 2021-09-17 | 浙江吉利控股集团有限公司 | Internet of vehicles data transmission system and method |
| CN114115189A (en) * | 2021-11-23 | 2022-03-01 | 国汽智控(北京)科技有限公司 | Sensor data analysis method and device and vehicle |
| CN114900544A (en) * | 2022-05-24 | 2022-08-12 | 雷沃工程机械集团有限公司 | Excavator data transmission method and system based on WIFI communication |
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Application publication date: 20151118 |