CN108248304A - System for detecting tire pressure - Google Patents
System for detecting tire pressure Download PDFInfo
- Publication number
- CN108248304A CN108248304A CN201810217413.3A CN201810217413A CN108248304A CN 108248304 A CN108248304 A CN 108248304A CN 201810217413 A CN201810217413 A CN 201810217413A CN 108248304 A CN108248304 A CN 108248304A
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- module
- test side
- terminal
- side controller
- detection
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- 238000001514 detection method Methods 0.000 claims abstract description 94
- 238000012360 testing method Methods 0.000 claims abstract description 92
- 230000001133 acceleration Effects 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- B60C23/041—Means for supplying power to the signal- transmitting means on the wheel
-
- 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
- B60C23/0486—Signalling devices actuated by tyre pressure mounted on the wheel or tyre comprising additional sensors in the wheel or tyre mounted monitoring device, e.g. movement sensors, microphones or earth magnetic field sensors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention discloses system for detecting tire pressure, in each wheel, detection module is set, pressure in tire is detected in each detection module setting circuit, temperature and acceleration, speed, Vibration Condition during wheels travel in tire, the temperature in wheel and wheel acceleration, speed, vibration are considered while tire pressure is detected, fully consider the road conditions of track, data basis is provided accurately to calculate tire pressure, corresponding control is carried out for pre- runflat and in advance and possibility is provided；Power module is set in each test side, and power module can be other module for power supply by battery, also can obtain electric energy by accumulator, electromagnet, realize self-charging, then it is other module for power supply, realizes the energy saving of test side, can guarantee test side long-time normal power supply；In test side, infrared detection module, fingerprint identification module is set, can by judge position of driver whether someone, be used as startup, the control signal for closing the present invention, avoid test side and terminal real time execution, waste energy.
Description
Technical field
The present invention relates to technical field of pressure detection, and in particular to system for detecting tire pressure.
Background technology
China's trolley owning amount increases severely, and a large amount of trolleies swarm road surface, in addition vehicle running surface is complicated, lead to traffic accident
It takes place frequently, therefore, it is necessary to which the tire pressure to vehicle is monitored, prevents from tire gas leakage or blow out to cause traffic accident.
With tire runnability it is relevant because being known as tire pressure, temperature, tire chafing degree, vehicle load, row in tire
Road conditions etc. are sailed, the wherein influence of tire pressure is maximum, the performance that can estimate, predict tire well is detected to tire pressure, in advance
Anti- traffic accident generates.The prior art usually only temperature in tire pressure and associated tire is detected, with this two
Tire pressure calculating and budget of blowing out are carried out based on item data, in fact, in vehicle travel process, tire pressure can also be because of traveling
The variability real-time change of road conditions, need to carry out tire pressure continuous detection in real time could carry out accurate tire pressure calculating with
It blows out budget, therefore, the prior art is in tire pressure context of detection because not considering to travel road conditions and there are tire pressure accuracy in detection is low
The problem of.
Invention content
The present invention provides system for detecting tire pressure, solves the problems, such as that tire pressure accuracy in detection of the existing technology is low.
The present invention solves the above problems by the following technical programs：
System for detecting tire pressure, including at least one test side and 1 terminal；Each test side is mounted on each wheel
On, the quantity of the test side is identical with wheel count；The terminal is mounted in compartment；In each test side, including inspection
Survey module, test side controller module and test side wireless transport module；The detection module includes pressure detection circuit, temperature
Spend detection circuit, acceleration detection circuit, vibration detection circuit and wheel velocity detection circuit；The terminal include terminal without
Line transmission module and terminal control unit module；The output terminal of the pressure detection circuit is connect with test side controller circuitry；
The output terminal of the temperature sensing circuit is connect with test side controller circuitry；The output terminal of the acceleration detection circuit and inspection
Survey the connection of side controller circuit；The output terminal of the vibration detection circuit is connect with test side controller circuitry；The wheel speed
The output terminal of degree detection circuit is connect with test side controller circuitry；The test side wireless transport module and detection side controller
Module connects；The test side wireless transport module and terminal wireless transmission module wireless connection；The terminal control unit module
It is connect with terminal wireless transmission module.
Further, in each detection module, alarm module, the input terminal of the alarm module and test side are further included
Controller module connects.
Further, in each detection module, power module is further included, the power module includes battery, described
Detection module further includes battery voltage detection circuit；The output terminal of the battery voltage detection circuit and test side controller module
Connection；The battery is detection module, test side controller module and test side wireless transport module are powered.
Further, in each detection module, the power module further includes electromagnet, accumulator and relay electricity
Road；Electromagnet is fixedly mounted on the periphery of each wheel；The accumulator is equipped with inductance coil, described during vehicle wheel rotation
Test side controller module connects accumulator and powers for electromagnet, the magnetic line of force that inductance coil cutting electromagnet generates, and then
It produces electricl energy, and by power storage in accumulator；The test side controller module sends control letter to relay circuit
Number, battery or accumulator are connected as detection module, test side controller module and the power supply of test side wireless transport module.
Further, the detection module further includes magnetometer；The output terminal of the magnetometer and detection side controller mould
Block connects.
Further, the terminal further includes display module；The display module is connect with terminal control unit module.
Further, the terminal further includes infrared detection module, fingerprint identification module；The infrared detection module, fingerprint identification module is mounted on driver door
Place, the output terminal of the infrared detection module, fingerprint identification module are connect with terminal control unit module.
Compared with prior art, there are following features：
1st, detection module is set in each wheel, pressure in tire, temperature in tire is detected in each detection module setting circuit
And acceleration, speed, Vibration Condition during wheels travel, the temperature and wheel in wheel are considered while tire pressure is detected
Acceleration, speed, vibration fully consider the road conditions of track, provide data basis for the accurate tire pressure that calculates, are pre- runflat
And it is possible to carry out corresponding control offer in advance；
The 2nd, power module is set in each test side, power module can be other module for power supply by battery, can also pass through
Accumulator, electromagnet obtain electric energy, realize self-charging, are then other module for power supply, realize the energy saving of test side, can guarantee
Test side long-time normal power supply；
3rd, test side set infrared detection module, fingerprint identification module, can by judge position of driver whether someone, be used as startup, close
The control signal of the present invention is closed, avoids test side and terminal real time execution, wastes energy.
Description of the drawings
Fig. 1 is structural principle block diagram of the present invention.
Specific embodiment
The invention will be further described with reference to embodiments, but the invention is not limited in these embodiments.
System for detecting tire pressure, including at least one test side and 1 terminal；Each test side is mounted on each wheel
On, the quantity of the test side is identical with wheel count；The terminal is mounted in compartment；In each test side, including inspection
Survey module, test side controller module and test side wireless transport module；The detection module includes pressure detection circuit, temperature
Spend detection circuit, acceleration detection circuit, vibration detection circuit and wheel velocity detection circuit；The terminal include terminal without
Line transmission module and terminal control unit module；The output terminal of the pressure detection circuit is connect with test side controller circuitry；
The output terminal of the temperature sensing circuit is connect with test side controller circuitry；The output terminal of the acceleration detection circuit and inspection
Survey the connection of side controller circuit；The output terminal of the vibration detection circuit is connect with test side controller circuitry；The wheel speed
The output terminal of degree detection circuit is connect with test side controller circuitry；The test side wireless transport module and detection side controller
Module connects；The test side wireless transport module and terminal wireless transmission module wireless connection；The terminal control unit module
It is connect with terminal wireless transmission module.
In each wheel, 1 test side is set, wireless connection between each test side, each test side also respectively with terminal
Wireless connection can also be not connected between each test side, but be connect respectively with terminal wireless.Detection module detection data is defeated
Enter to test side controller module, terminal is sent data to by test side wireless transport module.
Pressure detection circuit mainly includes tyre pressure sensor, and with the variation of temperature, tyre pressure sensor can drift about, and make
It obtains testing result and generates error, therefore the negative temperature characteristic that the temperature-compensating present invention utilizes diode need to be carried out to tyre pressure sensor
Temperature-compensating is done, after the PN junction conducting of diode, the pressure drop at both ends is increased with temperature and is declined slightly, and the higher decline of temperature is more
More, temperature often increases 1 °, pipe drops about 3mV.In no gas pressure when on tyre pressure sensor, tyre pressure sensor has 1
Negative voltage signal output, which can influence measurement result, therefore also set up zeroing sub-circuit so that without air pressure
When acting on tyre pressure sensor, tyre pressure sensor output voltage is 0.It improves sub-circuit and mainly includes 4 adjustable resistances compositions
Arm resistance, by adjusting each circuit so that bridge arm balance, without gas pressure when on tyre pressure sensor, lead to
Overregulate each adjustable resistance so that tyre pressure sensor output is 0.
Temperature sensing circuit mainly includes temperature sensor, and for detecting temperature in tire, temperature signal is input to inspection in tire
It surveys in side controller module, terminal is transmitted to convenient for passing through test side wireless transport module, as calculating tire pressure.
Due to the influence of the practical road conditions such as roadbed, road surface, structure, affiliated facility, traffic, needed in vehicle travel process
Acceleration, speed etc. are adjusted, under different acceleration, speed, tire pressure can generate corresponding variation, if only because temporarily
Abnormal acceleration, speed, just judge to blow out or take corresponding runflat to control, it is likely that judge by accident, therefore, have
Necessity is detected acceleration, speed, and the number with explosion-proof budget is calculated using the detection data of acceleration and speed as tire pressure
According to basis.
For the above situation, the present invention is correspondingly provided with acceleration detection circuit and wheel velocity detection circuit.Accelerate
It spends detection circuit and mainly includes digital 3-axis acceleration sensor MMA8451, without adding analog-digital converter, and included high pass
Wave filter, peripheral circuits are small, are easily installed.Wheel velocity detection circuit mainly includes velocity sensor, and speed passes
The velocity of rotation of wheel is converted to electricity by sensor, which is input in the controller module of test side.
Under turbulent conditions, wheel can carry out inertia motion under transport condition with the road surface jolted, and tire is applied
Pressure also can correspondingly have increase and reduction.The present invention sets vibration detection circuit to detect the Vibration Condition of vehicle body, vibration detection
Circuit mainly includes vibrating sensor, at wheel spindle nose, for detecting the vibration frequency of wheel, and the vibration frequency signal
It is input in the controller module of test side.Vibration frequency, wheel velocity, wheel acceleration are taken into consideration, can by threshold value, continue
Time is configured, to determine whether there is abnormal tyre pressure.
In each detection module, alarm module, input terminal and the detection side controller mould of the alarm module are further included
Block connects.When tire pressure, temperature, acceleration, speed, vibration occur abnormal, test side controller module starts alarm module, carries
There are abnormal conditions in the awake car owner wheel.
In each detection module, power module is further included, the power module includes battery, and the detection module is also
Including battery voltage detection circuit；The output terminal of the battery voltage detection circuit is connect with test side controller module；It is described
Battery is detection module, test side controller module and test side wireless transport module are powered.Work as battery voltage detection circuit
Detection data be input to test side controller module, test side controller module carries out simple threshold decision, can know
Whether cell voltage there is under-voltage or over-pressed situation, and when occurring under-voltage or over-pressed, test side controller module starts alarm
Module.
Further, in each detection module, the power module further includes electromagnet, accumulator and relay electricity
Road.Electromagnet is fixedly mounted on the periphery of each wheel, quantity can be increased and decreased by user, and when being powered to electromagnet, electromagnet generates
The magnetic line of force, it is noted that the magnetic line of force that different electromagnets generates is avoided to cancel out each other when installing electromagnet.It is installed in accumulator
There is an inductance coil, during vehicle wheel rotation, the test side controller module connects accumulator and powers for electromagnet, electromagnet generation
The magnetic line of force, inductance coil cutting magnetic line, and then produce electricl energy, the power storage is in accumulator；The test side control
Device module sends control signal to relay circuit, connects battery or accumulator as detection module, test side controller module
And test side wireless transport module power supply.
Detection module of the present invention also sets up magnetometer, and the output terminal of the magnetometer is connect with test side controller module,
Magnetometer can be set to be in power supply state always.In the case where magnetometer works always, vehicle when driving, power by electromagnet
The magnetic line of force is generated, the magnetic flux that magnetometer detects is 0 or even to change, and during stationary vehicle, electromagnet is not powered, and is not had
The magnetic line of force is generated, the magnetic flux that magnetometer detects is 0.Can by the use of the signal of the magnetometer under in running order always as
Signal is controlled, start or closes the present invention, shortcoming is exactly that magnetometer is in running order always, wastes electric energy.
Can infrared detection module, fingerprint identification module be set in terminal, the infrared detection module, fingerprint identification module is mounted at driver door, described infrared
The output terminal of detection module is connect with terminal control unit module.Infrared detection module, fingerprint identification module mainly includes infrared transmitting tube and infrared receiver
Pipe, for judging whether driver in driver's seat, if infrared receiving tube cannot receive the signal of infrared transmitting tube, explanation
Driver sends control signal on driver's seat, by terminal control unit module, is sent to by terminal wireless transmission module each
Test side, each test side start powered operation, if driver not on driver's seat, controls side controller module eventually does not send letter
Number, each test side is not run.The setting of infrared detection module, fingerprint identification module can in real time operate to avoid test side, but only in driver's seat
On just start when having a driver, can largely save energy.
The terminal further includes display module；The display module is connect with terminal control unit module.It is shown in display module
Show the detection data of each test side, checked for user.
Claims (7)
1. system for detecting tire pressure, it is characterised in that：
Including at least one test side and 1 terminal；Each test side is mounted on each wheel, the number of the test side
Amount is identical with wheel count；The terminal is mounted in compartment；
In each test side, including detection module, test side controller module and test side wireless transport module；The inspection
It surveys module and includes pressure detection circuit, temperature sensing circuit, acceleration detection circuit, vibration detection circuit and wheel velocity inspection
Slowdown monitoring circuit；The terminal includes terminal wireless transmission module and terminal control unit module；
The output terminal of the pressure detection circuit is connect with test side controller circuitry；The output terminal of the temperature sensing circuit with
Test side controller circuitry connection；The output terminal of the acceleration detection circuit is connect with test side controller circuitry；It is described to shake
The output terminal of dynamic detection circuit is connect with test side controller circuitry；The output terminal of the wheel velocity detection circuit and test side
Controller circuitry connects；The test side wireless transport module is connect with test side controller module；The test side wirelessly passes
Defeated module and terminal wireless transmission module wireless connection；The terminal control unit module is connect with terminal wireless transmission module.
2. system for detecting tire pressure according to claim 1, it is characterised in that：
In each detection module, alarm module is further included, input terminal and the test side controller module of the alarm module connect
It connects.
3. system for detecting tire pressure according to claim 1, it is characterised in that：
In each detection module, power module is further included, the power module includes battery, and the detection module further includes
Battery voltage detection circuit；The output terminal of the battery voltage detection circuit is connect with test side controller module；The battery
It powers for detection module, test side controller module and test side wireless transport module.
4. system for detecting tire pressure according to claim 3, it is characterised in that：
In each detection module, the power module further includes electromagnet, accumulator and relay circuit；
Electromagnet is fixedly mounted on the periphery of each wheel；The accumulator is equipped with inductance coil, described during vehicle wheel rotation
Test side controller module connects accumulator and powers for electromagnet, the magnetic line of force that inductance coil cutting electromagnet generates, and then
It produces electricl energy, and by power storage in accumulator；The test side controller module sends control letter to relay circuit
Number, battery or accumulator are connected as detection module, test side controller module and the power supply of test side wireless transport module.
5. system for detecting tire pressure according to claim 4, it is characterised in that：The detection module further includes magnetometer；Institute
The output terminal for stating magnetometer is connect with test side controller module.
6. system for detecting tire pressure according to claim 1, it is characterised in that：The terminal further includes display module；It is described
Display module is connect with terminal control unit module.
7. system for detecting tire pressure according to claim 1, it is characterised in that：The terminal further includes infrared detection module, fingerprint identification module；
The infrared detection module, fingerprint identification module is mounted at driver door, and output terminal and the terminal control unit module of the infrared detection module, fingerprint identification module connect
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810217413.3A CN108248304A (en) | 2018-03-16 | 2018-03-16 | System for detecting tire pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810217413.3A CN108248304A (en) | 2018-03-16 | 2018-03-16 | System for detecting tire pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108248304A true CN108248304A (en) | 2018-07-06 |
Family
ID=62745838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810217413.3A Pending CN108248304A (en) | 2018-03-16 | 2018-03-16 | System for detecting tire pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108248304A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281711A (en) * | 2019-06-21 | 2019-09-27 | 江北区和丰科技创新发展研究院 | A kind of system for detecting tire pressure and its method |
| CN111516705A (en) * | 2020-05-12 | 2020-08-11 | 广东工贸职业技术学院 | Automobile high-speed driving safety early warning method and system based on tire working conditions |
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| CN207955222U (en) * | 2018-03-16 | 2018-10-12 | 桂林师范高等专科学校 | System for detecting tire pressure |
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- 2018-03-16 CN CN201810217413.3A patent/CN108248304A/en active Pending
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| CN1521026A (en) * | 2003-01-09 | 2004-08-18 | �ղ��Զ�����ʽ���� | Tire pressure monitoring system and method |
| CN201150023Y (en) * | 2007-12-11 | 2008-11-12 | 杨尧任 | Self-generating power supply apparatus using wheel |
| CN204415059U (en) * | 2015-01-20 | 2015-06-24 | 吉首大学 | Motor tire intelligent monitor system |
| CN204712874U (en) * | 2015-06-30 | 2015-10-21 | 威海万丰奥威汽轮有限公司 | A kind of wheel power-generating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281711A (en) * | 2019-06-21 | 2019-09-27 | 江北区和丰科技创新发展研究院 | A kind of system for detecting tire pressure and its method |
| CN110281711B (en) * | 2019-06-21 | 2021-06-25 | 江北区和丰科技创新发展研究院 | Tire pressure detection system and method thereof |
| CN111516705A (en) * | 2020-05-12 | 2020-08-11 | 广东工贸职业技术学院 | Automobile high-speed driving safety early warning method and system based on tire working conditions |
| CN111516705B (en) * | 2020-05-12 | 2021-03-26 | 广东工贸职业技术学院 | Automobile high-speed driving safety early warning method and system based on tire working conditions |
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