CN106739860B - A kind of automobile tyre pressure check alarm system and alarm method - Google Patents
A kind of automobile tyre pressure check alarm system and alarm method Download PDFInfo
- Publication number
- CN106739860B CN106739860B CN201710017371.4A CN201710017371A CN106739860B CN 106739860 B CN106739860 B CN 106739860B CN 201710017371 A CN201710017371 A CN 201710017371A CN 106739860 B CN106739860 B CN 106739860B
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- Prior art keywords
- side window
- tire pressure
- window lamp
- pressure value
- controller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0401—Signalling devices actuated by tyre pressure mounted on the wheel or tyre characterised by the type of alarm
- B60C23/0406—Alarms noticeable from outside the vehicle, e.g. indication in side mirror, front light or audible alarms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
- Lock And Its Accessories (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of automobile tyre pressure check alarm system and alarm methods, the system comprises tyre pressure sensor, remote-control key, radio frequency receiver, car body controller, side window lamp controller and outside automobile side-window top side window lamp, tyre pressure sensor, remote-control key and radio frequency receiver are wirelessly connected, radio frequency receiver, side window lamp controller are connect with car body controller, and side window lamp controller is connect with side window lamp.Use aforementioned system carry out automobile tyre pressure check alarm method for：Car body controller obtains and stores tire pressure value in real time, after receiving unlocking command, the last time tire pressure value of storage is sent to side window lamp controller and is judged, if the tire pressure value is abnormal, then side window lamp flickers, if the tire pressure value is normal, side window lamp is always on.Driver can get information about the atmospheric pressure state of tire outside vehicle, and reduction is troublesome in poeration, saves time and effort.
Description
Technical field
The invention belongs to car electrics control fields, and in particular to a kind of automobile tyre pressure check alarm system and alarm side
Method.
Background technology
The air pressure of tire（That is tire pressure）Be ensure vehicle safety travel a key safety index, tire pressure it is relatively low or
Person is higher all to have tremendous influence to traffic safety, serious to lead to life danger.
CN103847689A discloses a kind of remote-control key, system for detecting tire pressure comprising remote-control key, Body Control
Device, tire pressure sensing, tire air pressure controller, combination instrument are shown and an individual Receiver Module, the radio frequency
Receiving module is wirelessly connected with tire pressure sensing and remote-control key respectively, the Receiver Module also respectively with Body Control
Device, tire air pressure controller connection, the tire air pressure controller are connected with combination instrument display；Tire air pressure controller or vehicle
Body controller sends out modulation selection mode signal to Receiver Module, and Receiver Module receives modulation selection mode letter
After number, the wireless signal that receives is demodulated with associative mode, then by the signal after demodulation be sent to tire air pressure controller or
Tire air pressure information is sent to combination instrument progress tire air pressure information and shown by car body controller processing, tire air pressure controller
And alarm；Car body controller drives corresponding four door lock, skylight, four door glass to carry out corresponding work.This detecting system is deposited
In following problem：（1）Driver needs retrofire of getting on the bus, make combination instrument power on after just it is observed that tire pressure whether
It is abnormal, if abnormality in tire air-pressure, needs to stop working and get off, then carry out subsequent processing, troublesome in poeration, the more wasteful time；And
Engine is again flame-out after just starting to be stopped, and can also be impacted to the service life of engine.（2）Pass through the wheel shown on combination instrument
Whether tire pressure information is abnormal to observe tire pressure, not enough intuitively, if driver is initially not to notice the wheel nausea
Information is pressed, just finds that tire pressure is abnormal and stops advancing after road on car, increases the probability that traffic accident occurs.
Invention content
The object of the present invention is to provide a kind of automobile tyre pressure check alarm system and alarm methods, to get on the bus a little in driver
Before fire starts, the atmospheric pressure state of tire is got information about outside vehicle, is reduced trouble, is saved time and effort.
Automobile tyre pressure check alarm system of the present invention, including tyre pressure sensor, remote-control key, radio frequency receiver and
Car body controller, tyre pressure sensor are wirelessly connected with radio frequency receiver, and tyre pressure sensor detects tire pressure value, and will detect
Tire pressure value be sent to radio frequency receiver, remote-control key is wirelessly connected with radio frequency receiver, and remote-control key is by unlocking command
It is sent to radio frequency receiver, radio frequency receiver is connect with car body controller, and radio frequency receiver orders tire pressure value and unlock
Order is sent to car body controller, and car body controller stores tire pressure value；The system further include side window lamp controller and
The side window lamp at top, side window lamp controller are connect by CAN bus with car body controller outside automobile side-window, Body Control
Device is by the last time tire pressure value of storage（The tire pressure value may be the last time tire of storage before vehicle stall parking
Pressure value, it is also possible to the last time tire pressure value that vehicle stall stores during stopping）It is sent to the control of side window lamp by CAN bus
Device judges that side window lamp controller is connect with side window lamp, and side window lamp controller control side window lamp is always on or flickers.
The side window lamp be three-primary color LED lamp, can the control of side window lamp controller driving under send out feux rouges, blue light and
Green light.
Use above-mentioned automobile tyre pressure check alarm system carry out the method for automobile tyre pressure check alarm for：Car body controller is real
When obtain and store tire pressure value, after receiving the unlocking command of remote-control key, by the last time tire pressure of storage
Value（The tire pressure value may be the last time tire pressure value of storage before vehicle stall parking, it is also possible to which vehicle stall stops
The last time tire pressure value of period storage）It is sent to side window lamp controller by CAN bus, side window lamp controller is to the wheel nausea
Pressure value（The tire pressure value that i.e. car body controller is sent）Judged, if the tire pressure value is abnormal, the control of side window lamp
Device controls the flicker of side window lamp, if the tire pressure value is normal, side window lamp controller control side window lamp is always on.
Further, the tire pressure value that side window lamp controller sends car body controller（Namely storage in car body controller
Last time tire pressure value）Judged, if the tire pressure value is less than or equal to the tire pressure lower limit of setting
Value（I.e. tire pressure is relatively low）, then side window lamp controller control side window lamp send out the feux rouges of flicker, if the tire pressure value is big
In or equal to setting tire pressure upper limit value（I.e. tire pressure is higher）, then side window lamp controller control side window lamp send out sudden strain of a muscle
Bright blue light, if the tire pressure value is between the tire pressure lower limiting value of setting and the tire pressure upper limit value of setting（I.e.
Tire pressure is normal）, then side window lamp controller control side window lamp send out the green light being always on.
In the above method, after car body controller receives the unlocking command of remote-control key and waits for 150~250ms, just will
The last time tire pressure value of storage is sent to side window lamp controller by CAN bus.
The present invention has the following effects that：
Side window lamp is mounted on the outer top of automobile side-window, and the flicker of side window lamp/be always on and come instead is controlled by side window lamp controller
The atmospheric pressure state of tire is reflected, driver by remote-control key after unlocking, before retrofire of getting on the bus（I.e. outside vehicle）Energy
Get information about the atmospheric pressure state of tire, if abnormality in tire air-pressure, can advanced processing, reduce retrofire of getting on the bus, find
Tire pressure is abnormal, the trouble for processing of then getting off again, has saved time and efforts, while will not be caused to the service life of engine
Any influence.
Description of the drawings
Fig. 1 is the circuit structure block diagram of the present invention.
Fig. 2 is the system logic flow chart of the present invention.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to the present invention.
Automobile tyre pressure check alarm system as shown in Figure 1, including tyre pressure sensor 1, remote-control key 2, radio frequency receiver
3, car body controller 4, side window lamp controller 5 and outside automobile side-window top side window lamp 6, side window lamp 6 be three-primary color LED
Lamp.Tyre pressure sensor 1 is wirelessly connected with radio frequency receiver 3, and tyre pressure sensor 1 detects tire pressure value, and the wheel that will be detected
Air pressure value is modulated to radio frequency signal and is sent to radio frequency receiver 3, and remote-control key 2 is wirelessly connected with radio frequency receiver 3, distant
Unlocking command is modulated to radio frequency signal and is sent to radio frequency receiver 3, radio frequency receiver 3 and car body controller 4 by control key 2
Connection, radio frequency receiver 3 demodulated according to the demodulation order of car body controller 4, and by after demodulation tire pressure value and
Unlocking command is sent to car body controller 4, and car body controller 4 stores tire pressure value, and side window lamp controller 5 passes through
CAN bus is connect with car body controller 4, and car body controller 4 is by the last time tire pressure value of storage（If tire is in vehicle
There is no gas leakage during flame-out parking, then the tire pressure value is equal to the last time tire pressure value stored before vehicle stall parking, such as
Fruit tire rapid air leakage during vehicle stall stops, then the tire pressure value is last equal to being stored during vehicle stall parking
Tire pressure value）Side window lamp controller 5 is sent to by CAN bus to judge, side window lamp controller 5 is connect with side window lamp 6, side window
Lamp controller 5 controls side window lamp 6 and is always on or flickers.
As shown in Fig. 2, use above system to vehicle tire pressure be detected the method for alarm for：Tyre pressure sensor 1 detects
Tire pressure value, and the tire pressure value detected is modulated to radio frequency signal and is sent to radio frequency receiver 3, radio frequency reception
Device 3 demodulates tire pressure value according to the demodulation order of car body controller 4, and by the tire pressure value after demodulation（For number
Word signal）It is sent to car body controller 4, car body controller 4 stores tire pressure value（I.e. car body controller 4 obtains in real time
It takes and stores tire pressure value）, driver presses the unlock of remote-control key 2, and unlocking command is modulated to less radio-frequency by remote-control key 2
Signal is sent to radio frequency receiver 3, and radio frequency receiver 3 orders the unlock of remote-control key according to the demodulation order of car body controller 4
Order is demodulated, and by the unlocking command after demodulation（For digital signal）It is sent to car body controller 4, car body controller 4 receives
To unlocking command and wait for 200ms（Can also be 150ms or 250ms）Afterwards, the last time tire pressure value that will just store
（If tire does not have gas leakage during vehicle stall stops, which stores most before being equal to vehicle stall parking
A tire pressure value afterwards, if tire rapid air leakage, the tire pressure value during vehicle stall stops stop equal to vehicle stall
The last time tire pressure value stored during vehicle）It is sent to side window lamp controller 5 by CAN bus, side window lamp controller 5 is to the wheel
Air pressure value（The last time tire pressure value stored in car body controller）Judged, if the tire pressure value is less than
Or the tire pressure lower limiting value equal to setting（I.e. tire pressure is relatively low）, then side window lamp controller 5 control side window lamp 6 and send out sudden strain of a muscle
Bright feux rouges, if the tire pressure value is more than or equal to the tire pressure upper limit value of setting（I.e. tire pressure is higher）, then
Side window lamp controller 5 controls the blue light that side window lamp 6 sends out flicker, if the tire pressure value is in the tire pressure lower limiting value of setting
Between the tire pressure upper limit value of setting（I.e. tire pressure is normal）, then the control side window of side window lamp controller 5 lamp 6, which is sent out, is always on
Green light.
Claims (5)
1. a kind of automobile tyre pressure check alarm system, including tyre pressure sensor（1）, remote-control key（2）, radio frequency receiver（3）With
Car body controller（4）, tyre pressure sensor（1）With radio frequency receiver（3）It being wirelessly connected, tyre pressure sensor detects tire pressure value,
And the tire pressure value detected is sent to radio frequency receiver, remote-control key（2）With radio frequency receiver（3）It is wirelessly connected, it is distant
Unlocking command is sent to radio frequency receiver, radio frequency receiver by control key（3）With car body controller（4）Connection, radio frequency receiver
Tire pressure value and unlocking command are sent to car body controller, car body controller stores tire pressure value；It is special
Sign is：It further include side window lamp controller（5）With the side window lamp at the top outside automobile side-window（6）, side window lamp controller（5）
Pass through CAN bus and car body controller（4）Connection, car body controller are total by CAN by the last time tire pressure value of storage
Line is sent to the judgement of side window lamp controller, side window lamp controller（5）With side window lamp（6）Connection, side window lamp controller control side window
Lamp is always on or flickers.
2. automobile tyre pressure check alarm system according to claim 1, it is characterised in that：The side window lamp（6）For three bases
Color LED light.
3. a kind of method for using system as claimed in claim 1 or 2 to carry out automobile tyre pressure check alarm for：Car body controller
（4）Tire pressure value is obtained and stores in real time, after receiving the unlocking command of remote-control key, by the last time tire of storage
Atmospheric pressure value is sent to side window lamp controller by CAN bus（5）, side window lamp controller（5）The tire pressure value is judged,
If the tire pressure value is abnormal, side window lamp is controlled（6）Flicker, if the tire pressure value is normal, controls side window lamp（6）
It is always on.
4. automobile tyre pressure check alarm method according to claim 3, it is characterised in that：The side window lamp controller（5）
To car body controller（4）The tire pressure value of transmission is judged, if the tire pressure value is less than or equal to the wheel of setting
Air pressure lower limiting value then controls side window lamp（6）The feux rouges of flicker is sent out, if the tire pressure value is more than or equal to setting
Tire pressure upper limit value then controls side window lamp（6）The blue light of flicker is sent out, if the tire pressure value is in the tire pressure of setting
Between lower limiting value and the tire pressure upper limit value of setting, then side window lamp is controlled（6）Send out the green light being always on.
5. automobile tyre pressure check alarm method according to claim 3 or 4, it is characterised in that：The car body controller（4）
Receive remote-control key（2）Unlocking command and wait for 150~250ms after, just the last time tire pressure value of storage is led to
It crosses CAN bus and is sent to side window lamp controller（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017371.4A CN106739860B (en) | 2017-01-11 | 2017-01-11 | A kind of automobile tyre pressure check alarm system and alarm method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017371.4A CN106739860B (en) | 2017-01-11 | 2017-01-11 | A kind of automobile tyre pressure check alarm system and alarm method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106739860A CN106739860A (en) | 2017-05-31 |
| CN106739860B true CN106739860B (en) | 2018-08-14 |
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ID=58948942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710017371.4A Active CN106739860B (en) | 2017-01-11 | 2017-01-11 | A kind of automobile tyre pressure check alarm system and alarm method |
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| CN (1) | CN106739860B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2716335B2 (en) * | 1993-02-22 | 1998-02-18 | 株式会社東海理化電機製作所 | Abnormal alarm device for automobile tire with remote control device |
| CN2544982Y (en) * | 2002-06-18 | 2003-04-16 | 卜兆有 | Tyre alarm |
| JP4193731B2 (en) * | 2004-03-04 | 2008-12-10 | 三菱自動車工業株式会社 | Tire pressure warning system |
| CN101985267A (en) * | 2010-03-29 | 2011-03-16 | 苏州市梯欧梯汽车电子有限公司 | Automobile safety system comprising intelligent passive keyless entry system and tire pressure monitoring system, and control method |
| CN205075595U (en) * | 2015-08-27 | 2016-03-09 | 张锐 | Portable display device of car tyre pressure monitoring |
| CN205768402U (en) * | 2016-05-27 | 2016-12-07 | 同致电子科技（昆山）有限公司 | A kind of driving front of the car tire pressure early warning system |
-
2017
- 2017-01-11 CN CN201710017371.4A patent/CN106739860B/en active Active
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| CN106739860A (en) | 2017-05-31 |
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Effective date of registration: 20191209 Address after: No. 85, Yuxiu Road, yongyang street, Lishui District, Nanjing, Jiangsu 211200 Patentee after: Nanjing Chang'an Automobile Co., Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee before: Chongqing Chang'an Automobile Co., Ltd. |
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