CN202283879U - Automobile control system - Google Patents
Automobile control system Download PDFInfo
- Publication number
- CN202283879U CN202283879U CN2011203752454U CN201120375245U CN202283879U CN 202283879 U CN202283879 U CN 202283879U CN 2011203752454 U CN2011203752454 U CN 2011203752454U CN 201120375245 U CN201120375245 U CN 201120375245U CN 202283879 U CN202283879 U CN 202283879U
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- tire pressure
- pressure monitoring
- monitoring controller
- speed limit
- control system
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Abstract
The utility model discloses an automobile control system capable of processing abnormal conditions of automobile tire pressure, which comprises an engine electronic control unit (ECU) and a tire pressure monitoring system. The tire pressure monitoring system comprises a tire pressure monitoring controller, a combination instrument used for receiving fault signals transmitted by the tire pressure monitoring controller and a starting power supply. A speed limit module used for receiving the fault signals transmitted by the tire pressure monitoring controller and sending out speed limit indications is arranged in the engine ECU. The automobile control system is improved based on the existing automobile control system, conducts speed limit on an automobile when automobile tire pressure has abnormal conditions, strengthens alarming effect and ensures automobile running safety.
Description
Technical field
The utility model relates to vehicle control system, the particularly a kind of vehicle control system that can handle the vehicle tyre pressure abnormal condition.
Background technology
The tire pressure monitoring system that is disposed in the vehicle control system in the prior art is the pressure to vehicle tyre, the safety device that information such as temperature are monitored in real time, its utilize be installed in tyre pressure sensor that everyone takes turns tyre cavity come between air pressure, temperature and the battery electric quantity of monitoring tire; When tire pressure is lower than 25% of tire cold conditions pressure that main engine plants recommend; Or when being lower than the pressure minimum value of listing in the rules, just report to the police, remind the driver; Improve the safety of vehicle ' with this: the tire pressure monitoring controller in the tire pressure monitoring system receives the detected barometric information of tyre pressure sensor, temperature data; And compare with preset value in the tire pressure monitoring controller, when detected barometric information, temperature data continue to surpass preset value, be judged as abnormal tyre pressure in preset time period; At this moment; The tire pressure monitoring controller sends breakdown signal to combination instrument, and combination instrument receives this breakdown signal, opens the tire pressure alarm lamp.
In said process, though the warning function on the combination instrument is not limited to above-mentioned form, the variation that promptly has lamp to show as adopting the pattern of array fluorescent tube, only is the mono-prompting function all, does not have further limiting operation; For some drivers, if can't find that in a period of time indicator lamp is represented this situation of abnormal tyre pressure in the combination instrument, still can run at high speed, this moment just possibly occur tire and blow out suddenly and wait unsafe condition, in the time of seriously even car crash.
The utility model content
The utility model provides a kind of vehicle control system, solved at pressure of tire go wrong, the driver do not find under the situation of combination instrument display alarm that vehicle is still run at high speed and caused the situation of causing danger.
A kind of vehicle control system; Comprise Engine ECU and tire pressure monitoring system; Described tire pressure monitoring system comprises the tire pressure monitoring controller, receive the combination instrument and the power-on of the breakdown signal that the tire pressure monitoring controller sends, and is provided with in the described Engine ECU to receive breakdown signal that the tire pressure monitoring controller sends and the speed limit module of sending the speed limit instruction.
In such scheme, power-on is controlled the switching of said tire pressure monitoring controller; Tyre pressure sensor in the tire pressure monitoring system sends to the tire pressure monitoring controller through less radio-frequency with the air pressure in the detected tire, temperature data; Monitor controller receives barometric information, temperature data; And compare with preset value; When detected barometric information, the temperature data lasting preset value that surpasses in the time period that one presets, be judged as abnormal tyre pressure: at this moment, monitor controller sends two groups of breakdown signals; First group of breakdown signal is sent to Engine ECU, and second group of breakdown signal is sent to combination instrument; Engine ECU receives first group of breakdown signal, and the speed limit instruction is sent in startup makes limiting vehicle speed go; Described speed limit instruction is for for vehicle preestablishes a maximum speed value, and when sending the speed limit instruction, not ultra this maximum speed of the speed of a motor vehicle of control vehicle reaches the effect to limiting vehicle speed; Combination instrument receives second group of breakdown signal, opens the tire pressure alarm lamp in the combination instrument.
As preferably, described combination instrument comprises the engine breakdown lamp by the speed limit module controls; When described speed limit module receives breakdown signal, send the engine breakdown signal, open the engine breakdown lamp to combination instrument.The engine breakdown lamp reminds the abnormal tyre pressure and the Engine ECU of driver's vehicle tyre to get into failure mode, to limiting vehicle speed.
As preferably, described tire pressure monitoring controller is provided with disable switch, and described disable switch is connected between power-on and the tire pressure monitoring controller.Disable switch can be controlled the open and close of tire pressure monitoring controller under the situation of power-on conducting, guaranteed the safety of system.
The utility model improves on the basis of existing vehicle control system, when abnormal condition appear in vehicle tyre pressure, vehicle is carried out speed limit, and strengthened warning function, has guaranteed the safety of vehicle '.
Description of drawings
Fig. 1 is the structural representation of a kind of vehicle control system of the utility model;
Fig. 2 is the control process scheme drawing of the utility model.
The specific embodiment
Introduce the specific embodiment of the utility model in detail below in conjunction with accompanying drawing.
A kind of vehicle control system as shown in Figure 1 comprises the normal power Vcc of 12V, power-on Von, tire pressure monitoring controller P1, tyre pressure sensor C, Engine ECU P2, disable switch S and the combination instrument P3 of 12V:
The power control terminal a1 of tire pressure monitoring controller P1 is connected with power-on Von with normal power Vcc respectively with a2, and disable switch S is connected between power-on Von and the tire pressure monitoring controller P1;
Tyre pressure sensor C comprises the sensor C1 of left front tire, the sensor C2 of right front fire, the sensor C3 of left rear tire and the sensor C4 of right rear fire, detects air pressure, the temperature data of left front tire, right front fire, left rear tire and right rear fire respectively; Input end a5, a6, a7 and the a8 of tire pressure monitoring controller P1 links to each other with the sensor C1 of left front tire, the sensor C2 of right front fire, the sensor C3 of left rear tire and the sensor C4 of right rear fire respectively, inserts corresponding tire pressure data;
The first mouth a3 of tire pressure monitoring controller P1 exports the speed limit module P21 of first group of breakdown signal b1 to the Engine ECU P2; Speed limit module P21 sends speed limit instruction b4; Make driving engine reduce the value that the outputting power cause vehicles is decelerated to setting, export engine breakdown signal b3 simultaneously to combination instrument P3; The second mouth a4 exports second group of breakdown signal b2 to combination instrument P3;
Combination instrument P3 comprises engine breakdown lamp P31 and tire pressure alarm lamp P32, and combination instrument P3 receives engine breakdown signal b3 and second group of breakdown signal b2.
In conjunction with Fig. 2, the control process of the utility model is:
When S1 disable switch S connected, S2 tire pressure monitoring controller P1 opened, dead work;
The sensor C3 of the sensor C1 of the left front tire among the S3 tyre pressure sensor C, the sensor C2 of right front fire, left rear tire and the sensor C4 of right rear fire detect air pressure, the temperature data of left front tire, right front fire, left rear tire and right rear fire respectively, and through less radio-frequency detected air pressure, temperature data are sent to tire pressure monitoring controller P1;
S21 tire pressure monitoring controller receives air pressure, temperature data, and compares with preset value, in the time period that one presets, continues to surpass preset value when detecting barometric information, temperature data, judges that tire pressure is unusual; At this moment,
S22 tire pressure monitoring controller P1 send first group of breakdown signal b1 to Engine ECU P2, send second group of breakdown signal b2 to combination instrument P3;
Speed limit module P21 among the S4 Engine ECU P2 receives first group of breakdown signal b1, sends speed limit instruction b4, and vehicle is carried out speed limit, and this moment, the maximum speed of vehicle was no more than the setting value 80km/h among the ECU, and sent driving engine breakdown signal b3 to combination instrument P3;
S5 combination instrument P3 opens, and S51 receives second group of breakdown signal b2 or engine breakdown signal b3, opens tire pressure alarm lamp P32 and engine breakdown lamp P31 in the combination instrument; When combination instrument P3 receives second group of breakdown signal b2, S52 tire pressure alarm lamp P32 Chang Liang, expression abnormal tyre pressure; As combination instrument P3 reception engine breakdown signal b3, S53 engine breakdown lamp P31 keeps flicker, and expression Engine ECU P2 gets into the failure mode operation;
When detected barometric information, temperature data surpass preset value or surpassed preset value but in the preset time period, return in the preset value scope; It is normal to be judged as tire pressure: at this moment, S23 tire pressure monitoring controller P1 stops to send first group of breakdown signal b1 and second group of breakdown signal b2; Speed limit module P21 among the Engine ECU P2 does not receive first group of breakdown signal b1 that tire pressure monitoring controller P1 sends, and stop to send speed limit instruction b4 automatically, and cancellation is sent engine breakdown signal b3 to combination instrument P3; The corresponding cancellation of tire pressure monitoring controller P1 is sent second group of breakdown signal b2 to combination instrument P3, and vehicle recovers normal operation.
Though described the embodiment of the utility model in conjunction with accompanying drawing, those of ordinary skills can make various changes or modification within the scope of the appended claims.
Claims (3)
1. a vehicle control system comprises Engine ECU and tire pressure monitoring system, and described tire pressure monitoring system comprises the combination instrument and the power-on of the breakdown signal that tire pressure monitoring controller, reception tire pressure monitoring controller send, and it is characterized in that:
Be provided with in the described Engine ECU and receive breakdown signal that the tire pressure monitoring controller sends and the speed limit module of sending the speed limit instruction.
2. vehicle control system according to claim 1 is characterized in that: described combination instrument comprises the engine breakdown lamp by the speed limit module controls.
3. vehicle control system according to claim 1 is characterized in that: described tire pressure monitor is provided with disable switch, and described disable switch is connected between power-on and the tire pressure monitoring controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203752454U CN202283879U (en) | 2011-09-28 | 2011-09-28 | Automobile control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203752454U CN202283879U (en) | 2011-09-28 | 2011-09-28 | Automobile control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202283879U true CN202283879U (en) | 2012-06-27 |
Family
ID=46295409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203752454U Expired - Fee Related CN202283879U (en) | 2011-09-28 | 2011-09-28 | Automobile control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202283879U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082899A (en) * | 2015-08-06 | 2015-11-25 | 北汽福田汽车股份有限公司 | Vehicle tire burst emergency device, vehicle including same and vehicle control method |
| CN106143011A (en) * | 2016-09-20 | 2016-11-23 | 北京汽车研究总院有限公司 | A kind of automobile |
| CN106183661A (en) * | 2016-09-20 | 2016-12-07 | 北京汽车研究总院有限公司 | Device for monitoring tyre pressure and automobile |
| CN110603183A (en) * | 2017-05-05 | 2019-12-20 | 米其林集团总公司 | Method for using pressure and temperature measurements of vehicle tires |
| CN111866090A (en) * | 2020-06-30 | 2020-10-30 | 中国铁道科学研究院集团有限公司 | Train fault early warning method and device |
| CN113619333A (en) * | 2021-09-08 | 2021-11-09 | 江苏吉麦新能源车业有限公司 | Control method for preventing tire pressure false alarm during charging of electric automobile |
| CN114636507A (en) * | 2020-12-15 | 2022-06-17 | 固特异轮胎和橡胶公司 | System and method for temperature compensation of drive-through reader pressure measurements |
-
2011
- 2011-09-28 CN CN2011203752454U patent/CN202283879U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082899A (en) * | 2015-08-06 | 2015-11-25 | 北汽福田汽车股份有限公司 | Vehicle tire burst emergency device, vehicle including same and vehicle control method |
| CN106143011A (en) * | 2016-09-20 | 2016-11-23 | 北京汽车研究总院有限公司 | A kind of automobile |
| CN106183661A (en) * | 2016-09-20 | 2016-12-07 | 北京汽车研究总院有限公司 | Device for monitoring tyre pressure and automobile |
| CN110603183A (en) * | 2017-05-05 | 2019-12-20 | 米其林集团总公司 | Method for using pressure and temperature measurements of vehicle tires |
| CN111866090A (en) * | 2020-06-30 | 2020-10-30 | 中国铁道科学研究院集团有限公司 | Train fault early warning method and device |
| CN111866090B (en) * | 2020-06-30 | 2023-03-24 | 中国铁道科学研究院集团有限公司 | Train fault early warning method and device |
| CN114636507A (en) * | 2020-12-15 | 2022-06-17 | 固特异轮胎和橡胶公司 | System and method for temperature compensation of drive-through reader pressure measurements |
| CN113619333A (en) * | 2021-09-08 | 2021-11-09 | 江苏吉麦新能源车业有限公司 | Control method for preventing tire pressure false alarm during charging of electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 Termination date: 20130928 |