CN102848866B - Wired communication connection based system and method for realizing upgrading of general TPMS emission terminal - Google Patents
Wired communication connection based system and method for realizing upgrading of general TPMS emission terminal Download PDFInfo
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- CN102848866B CN102848866B CN201210298978.1A CN201210298978A CN102848866B CN 102848866 B CN102848866 B CN 102848866B CN 201210298978 A CN201210298978 A CN 201210298978A CN 102848866 B CN102848866 B CN 102848866B
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Abstract
The invention discloses a wired communication connection based system and method for realizing upgrading of a general TPMS emission terminal. Upgrading of the general TPMS transmission terminal enables the TPMS emission terminal to match with different vehicle types and transmission terminals of different TPMS communication protocols, so as to realize the general purpose of the existing TPMS emission terminal, and reduce replacement cost on the transmission terminal. Compared with the prior art, the invention is simple and practical. The general TPMS emission terminal can match TPMS emission terminal data of any vehicle through upgrading; and the system provided by the invention can be compatible with TPMS systems of most vehicles on the market, and can be widely used in after-sales repair. An ID number or a sequence code of an original terminal can be used to directly replace the original transmission terminal, without modifying any ECU data of the original vehicle, so that the replacement of tire pressure terminal is simple and convenient. Therefore, the system and method have great commercial value.
Description
Technical field
The present invention relates to monitoring automobile tyre pressure technology, what be specifically related to is a kind of system and method realizing the upgrading of general TPMS launch terminal based on wire communication connection.
Background technology
At present, system for monitoring pressure in tyre is mainly divided into two types: a kind of is indirect type (Wheel-Speed Based TPMS, be called for short WSB), this system is the rotating speed difference coming between comparative tire by the wheel speed sensors of automobile ABS system, to reach the object of monitoring tire pressure.ABS determines wheel whether locking by wheel speed sensors, thus determines whether start antiblock device.When tire pressure reduces, the weight of vehicle can make diameter of tyres diminish, and this will cause the speed of a motor vehicle to change, and namely this change can be used for alert trigger system and give a warning to driver, belongs to passive-type afterwards; Another kind is direct-type (Pressure-Sensor Based TPMS, be called for short PSB), this system utilizes to be arranged on the air pressure that each pressure sensor of taking turns tyre cavity directly measures tire, wireless launcher is utilized the information such as pressure, temperature to be sent to system central receiver module from inside tires, then each vehicle tyre barometric information is shown, when tire pressure is too low or leak gas, system meeting automatic alarm, belongs to Initiative Defense in advance.
Direct-type TPMS system by installing a built-in sensors on the tire dice of tire, sensor comprises the bridge type electron gas pressure induction installation of induction air pressure, air pressure signal is converted to electric signal by it, by wireless launcher, signal is emitted, to realize under driving or static state, the pressure of real time monitoring tire, the data such as temperature, and be wirelessly transmitted into receptor, show various data variation over the display or with forms such as buzzings, remind motorist, and exceed Secure Threshold (this threshold value sets by telltale) time at tire flat and pressure change and report to the police, with guarantee driving safety.The actual wink that can measure each inside tires due to immediate system at any time presses, and is easy to determine fault tire, has the advantages that accuracy rate is high, therefore apply comparatively extensive.
In the automobile that each car production manufacturer of Present Global produces, TPMS system mainly adopts 315MHz/433MHz, the modulation system of ASK and FSK.Due to the communication frame format difference to some extent of each auto vendor TPMS system, so just the launch terminal of TPMS is on the market caused to have more than tens kinds, and each other can not be compatible, if the TPMS launch terminal be arranged in motor tire damages, just must change same brand or of a sort launch terminal, otherwise cannot use, the replacement cost of user will be caused like this to increase.
Summary of the invention
For this reason, the object of the present invention is to provide a kind of system and method realizing the upgrading of general TPMS launch terminal based on wire communication connection, to solve current TPMS launch terminal coupling poor compatibility, cannot be general, the problem that replacement cost is high.
The object of the invention is to be achieved through the following technical solutions.
Connect the system realizing the upgrading of general TPMS launch terminal based on wire communication, comprising:
One upgrading main frame, be provided with central process unit, memory device and main frame upgrade interface in this upgrading main frame, described memory device is connected with main frame upgrade interface by central process unit, and stores upgrade data in this memory device;
One TPMS launch terminal, comprise micro-control unit, main memory unit, standby memory cell, ROMPaq processing unit and terminal staging interface, described main memory unit, standby memory cell, ROMPaq processing unit are connected with terminal staging interface by micro-control unit;
The main frame upgrade interface of described upgrading main frame is connected with the terminal staging interface of TPMS launch terminal by communication data line; Upgrading main frame sends upgrade request instruction to TPMS launch terminal, TPMS launch terminal judges whether to need upgrading, and request upgrading main frame sends upgrade data when needs are upgraded, after upgrade data is transmitted, be stored in standby memory cell, then copy to main memory unit, and verification confirmation is carried out to the upgrade data in main memory unit;
Described TPMS launch terminal also includes a reset unit be connected with micro-control unit, carries out system reset by this reset unit to TPMS launch terminal.
Preferably, the terminal staging interface of described main frame upgrade interface, TPMS launch terminal is USB interface, and is connected by USB data line therebetween.
Preferably, the terminal staging interface of described main frame upgrade interface, TPMS launch terminal is serial communication interface, and is connected by serial port communication line therebetween.
Preferably, the upgrade data stored in described memory device comprises the TPMS communication protocol of multiple automobile and No. ID of first wife's launch terminal or sequence number.
In addition, present invention also offers a kind of method realizing the upgrading of general TPMS launch terminal based on wire communication connection, comprise step:
A, connect the upgrading main frame upgrade interface of main frame and the terminal staging interface of TPMS launch terminal by communication data line;
B, carry out by the TPMS launch terminal of central process unit to access of main frame of upgrading detections and judge, judge that whether its TPMS communication protocol be the communication protocol of first wife's launch terminal employing, if so, then terminate; If not, then upgrade command is sent to TPMS launch terminal;
C, TPMS launch terminal judges whether upgrading, if not, then terminates; If so, then ROMPaq processing unit request upgrading main frame sends upgrade data;
D, ROMPaq processing unit carry out verification to the upgrade data in main memory unit and confirm, confirm, by rear, to exit ROMPaq, carry out system reset by reset unit to TPMS launch terminal.
Preferably, steps A specifically comprises:
The upgrading main frame upgrade interface of main frame and the terminal staging interface of TPMS launch terminal is connected by USB data line or serial port communication line.
Preferably, also comprise between step B and C:
Whether TPMS launch terminal sense terminals upgrade interface includes valid flag data, if had, then enters step C, if nothing, then terminates.
Preferably, No. ID or sequence number of first wife's launch terminal is included in the upgrade data that described TPMS launch terminal obtains.
Preferably, also comprise between step C and D:
Upgrading main frame and the every frame upgrade data of TPMS launch terminal process, and automatically verification is deciphered to upgrade data, the upgrade data received is kept in standby memory cell by TPMS launch terminal, and copies to main memory unit from standby memory cell.
The system and method realizing the upgrading of general TPMS launch terminal based on wire communication connection provided by the invention, by upgrading to general TPMS launch terminal, TPMS launch terminal is mated from the launch terminal of different automobile types and different TPMS communication protocol, achieve the object that current TPMS launch terminal is general, reduce the replacement cost of launch terminal.Compared with prior art, the present invention is simple and practical, by general TPMS launch terminal of upgrading, the data of the TPMS launch terminal of any vehicle can be mated, and the present invention can the TPMS system of most vehicle on compatible market, after-sales service can be used in a large number, use No. ID or sequence code of first wife's terminal, directly replace original launch terminal, do not need the data revising any former car ECU, make replacing tire pressure terminal simple and convenient, there is huge commercial value.
Accompanying drawing explanation
Fig. 1 is system principle diagram of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to shown in Fig. 1, Fig. 1 is system principle diagram of the present invention.The invention provides and a kind ofly connect the system realizing the upgrading of general TPMS launch terminal based on wire communication, being mainly used in solving current different automotive type TPMS launch terminal cannot general, coupling poor compatibility and the high problem of replacement cost.
Wherein this system includes: upgrading main frame and TPMS launch terminal, central process unit, memory device and main frame upgrade interface is provided with in described upgrading main frame, described memory device is connected with main frame upgrade interface by central process unit, and storing upgrade data in this memory device, this upgrade data comprises the TPMS communication protocol of multiple automobile and No. ID of first wife's launch terminal or sequence number.
TPMS launch terminal, this launch terminal is universal launch terminal, especially for the TPMS launch terminal of luxurious superior automobile, its Costco Wholesale is lower, this launch terminal includes micro-control unit, main memory unit, standby memory cell, ROMPaq processing unit, power supply unit, data sampling unit, reset unit, radio circuit and terminal staging interface, wherein main memory unit, standby memory cell, ROMPaq processing unit, power supply unit, data sampling unit, reset unit, radio circuit is all connected with micro-control unit with terminal staging interface, power supply unit is used for powering to micro-control unit, data sampling unit is used for the tire pressure to motor tire, the parameters such as temperature are sampled, radio circuit is then for setting up the wireless telecommunications with automobile middle control device, by the tire pressure that sampling obtains, the parameters such as temperature send, micro-control unit is used for carrying out processing controls to above-mentioned parameter and signal, and sets up upgrading connection, obtains upgrade data, ROMPaq processing unit is used for carrying out upgrading according to the upgrade data obtained to launch terminal and controls, and verifies upgrade data simultaneously, standby memory cell is used for temporarily storing upgrade data, and under ROMPaq processing unit controls, upgrade data is copied in main memory unit, carry out upgrading processing, after ROMPaq completes, exit ROMPaq, and start reset unit this TPMS launch terminal is resetted, make the TPMS communication protocol in TPMS launch terminal be upgraded to the communication protocol required in advance, this TPMS launch terminal respective upgrades is to No. ID or sequence number of first wife's launch terminal simultaneously.
The main frame upgrade interface of main frame of wherein upgrading in native system is connected with the terminal staging interface of TPMS launch terminal by communication data line, and main frame upgrade interface and terminal staging interface can be serial communication interfaces here, also can be USB interface or other communication interfaces, the corresponding communication data line adopted then corresponds to serial port communication line, USB data line or other communication data lines.
The upgrading mode of native system is as follows: be first connected by communication data line with TPMS launch terminal by upgrading main frame, judge that TPMS launch terminal judges whether to need upgrading afterwards, if the TPMS communication protocol that TPMS launch terminal adopts is identical with the communication protocol after upgrading, then without the need to upgrading, only need first wife's Termination ID of correspondence number or sequence number to be written to TPMS launch terminal; If the TPMS communication protocol that TPMS launch terminal adopts is different from the communication protocol after upgrading, then need upgrading, then main frame of upgrading sends upgrade request instruction to TPMS launch terminal, TPMS launch terminal judges whether terminal staging interface includes valid flag data, if had, the upgrade data that then transmission of request upgrading main frame is corresponding is upgraded, if do not had, then terminates.
While ROMPaq processing unit wherein in TPMS launch terminal obtains upgrade data, upgrading main frame and ROMPaq processing unit carry out deciphering automatically to every frame upgrade data and verify and apply for whether retransmitting, after data transmission to be upgraded completes, temporarily be stored in standby memory cell, then main memory unit is copied to, ROMPaq processing unit carries out verification to the upgrade data in main memory unit and confirms, when confirmation by after, carry out updating operation, the TPMS communication protocol comprised in upgrade data and first wife's Termination ID number or sequence number are written in main memory unit, complete ROMPaq, then by reset unit, system reset is carried out to TPMS launch terminal afterwards, this TPMS launch terminal is made to carry out work with the TPMS communication protocol after upgrading and first wife's Termination ID number or sequence number.
After above-mentioned escalation process completes, TPMS launch terminal correspondence can be arranged in the motor tire needing to change launch terminal.
Universal TPMS launch terminal described in native system can the TPMS system of the various different automobile types of compatible coupling, for changing at present the cost of luxurious superior automobile TPMS launch terminal thousands of unit easily, has price advantage, it needs universal for the present invention TPMS launch terminal respective upgrades to the TPMS communication protocol of specifying, No. ID of corresponding first wife's terminal or sequence number are written to launch terminal, whole process is simple and convenient simultaneously.
Being more than connect to the present invention is based on wire communication the explanation of system realizing the upgrading of general TPMS launch terminal, connecting the method realizing the upgrading of general TPMS launch terminal be further described to the present invention is based on wire communication below.
Present invention also offers a kind of method realizing the upgrading of general TPMS launch terminal based on wire communication connection, it is as follows that it specifically comprises step:
A, connect the upgrading main frame upgrade interface of main frame and the terminal staging interface of TPMS launch terminal by communication data line;
The connection between the main frame upgrade interface of upgrading main frame and the terminal staging interface of TPMS launch terminal is realized mainly through USB data line, serial port communication line or other data connecting lines in the present invention, and the main frame upgrade interface of correspondence and terminal staging interface can be serial communication interfaces, also can be USB interface or other communication interfaces.
B, carry out by the TPMS launch terminal of central process unit to access of main frame of upgrading detections and judge, judge that whether its TPMS communication protocol be the communication protocol of first wife's launch terminal employing, if so, then terminate; If not, then upgrade command is sent to TPMS launch terminal;
After upgrading main frame is connected with TPMS launch terminal, the TPMS launch terminal of central process unit to access of upgrading main frame carries out detection and judges, by the micro-control unit of TPMS launch terminal, the TPMS communication protocol of current launch terminal is sent to upgrading main frame, by the comparative analysis of upgrading main frame, judge whether current TPMS communication protocol is the communication protocol needing upgrading, if, then direct No. ID of first wife's terminal (terminal before replacing) or sequence number are written to TPMS launch terminal, if not, then statement needs upgrading, the corresponding upgrading main frame that passes through sends upgrade command to TPMS launch terminal.
Whether TPMS launch terminal includes valid flag data by micro-control unit sense terminals upgrade interface afterwards, if had, then enters step C, if nothing, then and end of upgrading.
C, TPMS launch terminal judges whether upgrading, if not, then terminates; If so, then ROMPaq processing unit request upgrading main frame sends upgrade data;
If TPMS launch terminal needs upgrading, the then ROMPaq processing unit data transmission of being set up by micro-control unit and upgrading between main frame, carry out upgrade data by transmission, and upgrade main frame and TPMS launch terminal can process every frame upgrade data simultaneously, and automatically verification is deciphered to upgrade data, verify by after upgrade data can be kept in in standby memory cell, and then ROMPaq processing unit control under from standby memory cell, copy to main memory unit.
D, ROMPaq processing unit carry out verification to the upgrade data in main memory unit and confirm, confirm, by rear, to exit ROMPaq, carry out system reset by reset unit to TPMS launch terminal.
ROMPaq processing unit carries out verification to the upgrade data in main memory unit and confirms, confirms, by rear, to upgrade, No. ID of required TPMS communication protocol and first wife's terminal or sequence number correspondence is written to main memory unit, completes upgrading.
Upgraded backed off after random ROMPaq, reset unit carries out system reset by micro-control unit to TPMS launch terminal, makes this TPMS launch terminal carry out work with the TPMS communication protocol after upgrading and first wife's Termination ID number or sequence number.
Be more than to provided by the present invention a kind of based on wire communication connect realize general TPMS launch terminal upgrading system and method be described in detail, apply specific case herein to set forth structural principle of the present invention and embodiment, 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 (9)
1. connect the system realizing the upgrading of general TPMS launch terminal based on wire communication, it is characterized in that comprising:
One upgrading main frame, be provided with central process unit, memory device and main frame upgrade interface in this upgrading main frame, described memory device is connected with main frame upgrade interface by central process unit, and stores upgrade data in this memory device;
One TPMS launch terminal, comprise micro-control unit, main memory unit, standby memory cell, ROMPaq processing unit and terminal staging interface, described main memory unit, standby memory cell, ROMPaq processing unit are connected with terminal staging interface by micro-control unit;
The main frame upgrade interface of described upgrading main frame is connected with the terminal staging interface of TPMS launch terminal by communication data line; Upgrading main frame sends upgrade request instruction to TPMS launch terminal, TPMS launch terminal judges whether to need upgrading, and request upgrading main frame sends upgrade data when needs are upgraded, after upgrade data is transmitted, be stored in standby memory cell, then copy to main memory unit, and verification confirmation is carried out to the upgrade data in main memory unit;
Described TPMS launch terminal also includes a reset unit be connected with micro-control unit, carries out system reset by this reset unit to TPMS launch terminal.
2. the system realizing the upgrading of general TPMS launch terminal based on wire communication connection according to claim 1, it is characterized in that described main frame upgrade interface, the terminal staging interface of TPMS launch terminal is USB interface, and connected by USB data line therebetween.
3. the system realizing the upgrading of general TPMS launch terminal based on wire communication connection according to claim 1, it is characterized in that described main frame upgrade interface, the terminal staging interface of TPMS launch terminal is serial communication interface, and connected by serial port communication line therebetween.
4. according to claim 1ly connect the system realizing the upgrading of general TPMS launch terminal based on wire communication, it is characterized in that the upgrade data stored in described memory device comprises and has the TPMS communication protocol of multiple automobile and No. ID of first wife's launch terminal or sequence number.
5. connect the method realizing the upgrading of general TPMS launch terminal based on wire communication, it is characterized in that comprising step:
A, connect the upgrading main frame upgrade interface of main frame and the terminal staging interface of TPMS launch terminal by communication data line;
B, carry out by the TPMS launch terminal of central process unit to access of main frame of upgrading detections and judge, judge that whether its TPMS communication protocol be the communication protocol of first wife's launch terminal employing, if so, then terminate; If not, then upgrade command is sent to TPMS launch terminal;
C, TPMS launch terminal judges whether upgrading, if not, then terminates; If so, then ROMPaq processing unit request upgrading main frame sends upgrade data;
D, ROMPaq processing unit carry out verification to the upgrade data in main memory unit and confirm, confirm, by rear, to exit ROMPaq, carry out system reset by reset unit to TPMS launch terminal.
6. the method realizing the upgrading of general TPMS launch terminal based on wire communication connection according to claim 5, is characterized in that steps A specifically comprises:
The upgrading main frame upgrade interface of main frame and the terminal staging interface of TPMS launch terminal is connected by USB data line or serial port communication line.
7. the method realizing the upgrading of general TPMS launch terminal based on wire communication connection according to claim 5, is characterized in that also comprising between step B and C:
Whether TPMS launch terminal sense terminals upgrade interface includes valid flag data, if had, then enters step C, if nothing, then terminates.
8. the method realizing the upgrading of general TPMS launch terminal based on wire communication connection according to claim 5, is characterized in that No. ID or sequence number including first wife's launch terminal in the upgrade data that described TPMS launch terminal obtains.
9. the method realizing the upgrading of general TPMS launch terminal based on wire communication connection according to claim 5, is characterized in that also comprising between step C and D:
Upgrading main frame and the every frame upgrade data of TPMS launch terminal process, and automatically verification is deciphered to upgrade data, the upgrade data received is kept in standby memory cell by TPMS launch terminal, and copies to main memory unit from standby memory cell.
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| US9579938B2 (en) | 2015-06-01 | 2017-02-28 | Continental Automotive Systems, Inc. | Apparatus and method to adjust LF sensitivity of TPM sensor |
| US9522579B1 (en) | 2015-06-02 | 2016-12-20 | Continental Automotive Systems, Inc. | Tire pressure monitoring sensor |
| CN105459742A (en) * | 2015-12-15 | 2016-04-06 | 合肥晟泰克汽车电子有限公司 | Tire pressure monitor system (TPMS) calibration system |
| CN107225918A (en) * | 2016-03-24 | 2017-10-03 | 苏州驶安特汽车电子有限公司 | A kind of tyre pressure sensor system and communication protocol concocting method |
| CN105882329B (en) * | 2016-04-08 | 2018-08-14 | 伍宗仁 | A kind of upgrade-system and its upgrade method of system for monitoring pressure in tyre |
| ES2710508T3 (en) * | 2016-05-27 | 2019-04-25 | Wegmann Automotive Gmbh | Tire pressure monitoring sensor that allows quick configuration and software updates |
| CN106739859A (en) * | 2017-01-05 | 2017-05-31 | 深圳市元征科技股份有限公司 | TPMS management methods and device |
| CN107015838B (en) * | 2017-05-24 | 2023-12-19 | 深圳市永奥图电子有限公司 | Upgrade system of sensing device and tire pressure monitoring system |
| CN109203873B (en) * | 2017-07-07 | 2021-02-05 | 杭州中策车空间汽车服务有限公司 | Information processing method and system for single-wheel tire networking |
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