CN109606035A - A kind of tire monitoring device and vehicle - Google Patents
A kind of tire monitoring device and vehicle Download PDFInfo
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- CN109606035A CN109606035A CN201811519369.8A CN201811519369A CN109606035A CN 109606035 A CN109606035 A CN 109606035A CN 201811519369 A CN201811519369 A CN 201811519369A CN 109606035 A CN109606035 A CN 109606035A
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- Prior art keywords
- tire monitoring
- tire
- audio
- unit
- signal
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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
- B60C23/0408—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
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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
- B60C23/0408—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
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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
- B60C23/0486—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
- B60C23/0488—Movement sensor, e.g. for sensing angular speed, acceleration or centripetal force
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention discloses a kind of tire monitoring device, comprising: central control module and at least one tire monitoring modular；At least one tire monitoring modular is respectively placed at least one tire on vehicle, and central control module is located in the vehicle body of vehicle；Tire monitoring modular includes the tire monitoring unit and audio frequency vibration energy converter that audio unit and audio unit are separately connected；Tire monitoring unit is sent to audio unit for being monitored to tire, and by the tire monitoring parameters information that monitoring obtains；Audio unit for determining audio signal corresponding with tire monitoring parameters information according to tire monitoring parameters information, and is sent to audio frequency vibration energy converter；Audio frequency vibration energy converter is for converting audio signals into vibration signal；The audio frequency vibration sound pick-up of central control module, for when monitoring the vibration signal, by the vibration signal be converted to electric signal corresponding to tire monitoring parameters information, to obtain the corresponding tire monitoring parameters of vibration signal.
Description
Technical field
The present invention relates to a kind of tire monitoring device and vehicles.
Background technique
The purpose of tire monitoring is monitored to the tire pressure or temperature of vehicle, is carried out to tire pressure and temperature pre-
It is alert, to ensure traffic safety.The electronic sensor that tire monitoring side is monitored by tire in the prior art carry out tire pressure and
Tire temperature sampling, during the tire pressure and temperature signal of electronic sensor sampling are transferred to by radio frequency unit by wireless communication mode
Entreat control terminal.For the stability and accuracy of the wireless signal transmission of guarantee tire monitoring side, it is necessary to use sensitivity and stabilization
The good radio frequency chip of property, higher to the performance requirement of radio frequency chip, hardware cost is higher.And road vehicle is more, signal transmitting
When there may be other automobile wireless signals or front and back wheel wireless signal interfere with each other or electromagnetic pollution, to influence
Accuracy in detection.Meanwhile in tire motion process, the radio frequency unit of monitoring side transmits tire pressure and temperature monitoring value every time
When, consumption electric energy is required, if powered when long, power consumption is excessive；If intermittent power supply, it cannot be guaranteed that monitoring side is quick
Response causes the monitoring information lag for being transmitted to central control terminal, monitoring result inaccuracy.
Summary of the invention
In view of technological deficiency existing in the prior art and technology drawback, the embodiment of the present invention offer overcome the above problem or
Person at least is partially solved a kind of tire monitoring device and vehicle of the above problem.
As the one aspect of the embodiment of the present invention, it is related to a kind of tire monitoring device, comprising: central control module and extremely
A few tire monitoring modular；At least one described tire monitoring modular is respectively placed at least one tire on vehicle,
The central control module is located in the vehicle body of vehicle；
The tire monitoring modular includes the tire monitoring unit and sound that audio unit and the audio unit are separately connected
Frequency vibration energy converter；The tire monitoring unit, for being monitored to tire, and the tire monitoring parameters that monitoring is obtained are believed
Breath is sent to the audio unit；The audio unit, for according to the tire monitoring parameters information, the determining and tire
The corresponding audio signal of monitoring parameters information, and it is sent to the audio frequency vibration energy converter；The audio frequency vibration energy converter is used for
The audio signal is converted into vibration signal；
The central control module includes audio frequency vibration sound pick-up, the audio frequency vibration sound pick-up, monitors institute for working as
When stating vibration signal, by the vibration signal be converted to electric signal corresponding to the tire monitoring parameters information, to obtain
The corresponding tire monitoring parameters of the vibration signal.
In one embodiment, the central control module further includes signal analysis unit and main control unit, the signal
Analytical unit is separately connected the audio frequency vibration sound pick-up and the main control unit；
The signal analysis unit, the electric signal for sending to the audio pickup device are analyzed, and vehicle is obtained
Fetal monitoring surveys the corresponding encoded information of parameter information, and is sent to the main control unit；
The main control unit obtains tire corresponding with the vibration signal for being decoded to the encoded information
Monitoring result data.
In one embodiment, the tire monitoring modular, further includes power supply, is connected between audio unit and power supply
Motion detection sensor；The motion detection sensor is used for when detecting vehicle wheel rotation, is connected to the audio unit and electricity
Source.
In one embodiment, the tire monitoring unit includes pressure detecting part and temperature monitoring component.
In one embodiment, the pressure monitoring component is pressure sensor or pressure switch；The temperature monitoring portion
Part is temperature sensor or temperature detect switch (TDS).
In one embodiment, the audio unit is monitored specifically for the tire of tire monitoring unit based on the received
Parameter information generates the audio signal of coding corresponding with the tire monitoring parameters information；Or for tire based on the received
The tire monitoring parameters information of monitoring unit, selection and the tire monitoring parameters from the audio signal of the multiple codings prestored
The audio signal of the corresponding coding of information；The audio signal of the coding includes: tire pressure parameter information and tire temperature
At least one of parameter information.
In one embodiment, the tire monitoring modular further includes being separately connected power supply and the low pressure of audio unit compares
Circuit, for sending low pressure alarming information to audio unit when detecting the voltage of power supply lower than preset reference voltage.
In one embodiment, the power supply is power storage cell or solar battery.
In one embodiment, the central control module further includes the output unit connecting with the main control unit；Institute
Stating output unit is following any one or more combinations: display screen, signal lamp and loudspeaker；The output unit be used for according to
Predetermined manner prompts the tire monitoring result data.
As the another aspect of the embodiment of the present invention, it is related to a kind of vehicle, including tire described in any of the above embodiments monitoring
Device.
The embodiment of the present invention at least realizes following technical effect:
1, tire monitoring device provided in an embodiment of the present invention, by converting the tire monitoring signals of tire monitoring modular
At vibration signal, the central control module of driver's cabin is transmitted to through vehicle body by wheel, signal transmitting is simple and reliable；It is shaken using sound
Dynamic transmission mode versatility is good, does not use radio frequency chip, and radiofrequency signal interference problem is not present, and can also reduce tire monitoring mould
The electric wire of block is routed, and saves space, reduces the volume of tire monitoring modular；Using audio unit and audio frequency vibration energy converter, phase
It is lower for the cost of radio frequency chip, to be realized with a low cost the signal transmission issues from tire to central control module.
2, tire monitoring device provided in an embodiment of the present invention, tire monitoring modular include motion detection sensor, work as vehicle
When tire moves, control power supply is powered to audio unit, realizes the Monitor in time of vehicle during the motion, and tire is static
When, power supply cannot power to audio unit, so that audio unit does not work, electric energy be saved, by motion detection unit to power supply
The power supply of unit is controlled, and the power-on time of power supply is extended, and guarantees tire monitoring device having compared with property to tire long-term monitoring.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Documented structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of tire monitoring device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another tire monitoring device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the tire monitoring modular of tire monitoring device provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another tire monitoring modular of tire monitoring device provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the third tire monitoring modular of tire monitoring device provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the 4th kind of tire monitoring modular of tire monitoring device provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
The various specific embodiments of tire monitoring device provided in an embodiment of the present invention and vehicle are carried out separately below
Detailed description.
Embodiment one:
Referring to Fig.1, a kind of tire monitoring device that the embodiment of the present invention one provides, comprising: central control module 2 and at least
One tire monitoring modular 1, at least one described tire monitoring modular 1 are respectively placed at least one tire on vehicle,
The central control module 2 is located in the vehicle body of vehicle；
The tire monitoring modular 1 includes audio unit 102, the tire being separately connected with the audio unit 102 monitoring
Unit 101 and audio frequency vibration energy converter 103；The tire monitoring unit 101 for being monitored to tire, and will monitor
To tire monitoring parameters information be sent to the audio unit 102；The audio unit 102, for being supervised according to the tire
Parameter information is surveyed, determines audio signal corresponding with the tire monitoring parameters information, and be sent to the audio frequency vibration transducing
Device 103；The audio frequency vibration energy converter 103 is used to the audio signal being converted to vibration signal；
It include audio frequency vibration sound pick-up 201, the audio frequency vibration sound pick-up 201, for working as in the central control module 2
When monitoring the vibration signal, the vibration signal is converted to and telecommunications corresponding to the tire monitoring parameters information
Number, to obtain the corresponding tire monitoring parameters of the vibration signal.
Tire monitoring device provided in an embodiment of the present invention, by being converted into the tire monitoring signals of tire monitoring modular
Vibration signal, the central control module of driver's cabin is transmitted to by wheel through vehicle body, and signal transmitting is simple and reliable；Using sound vibrations
Transmission mode versatility is good, does not use radio frequency chip, and radiofrequency signal interference problem is not present, can also reduce tire monitoring modular
Electric wire wiring, save space, reduce tire monitoring modular volume；Using audio unit and audio frequency vibration energy converter, relatively
It is lower in the cost of radio frequency chip, to be realized with a low cost the signal transmission issues from tire to central control module.
In a specific embodiment, the audio frequency vibration energy converter 103 can be piezoelectric ceramic transducer, and movement is examined
It surveys signal and is converted to vibration signal, vibration signal is transmitted to the central control module 2 of driver's cabin by wheel, vehicle body.Using
Piezoelectric ceramic transducer, because its is easy to make, controllable strong, tire is can be improved in high sensitivity, the good feature of mechanical-electric coupling
Accuracy is monitored, meanwhile, the overall cost of tire monitoring device can be saved.
It can be in one embodiment referring to Fig. 2, the central control module 2 further includes signal analysis unit 202
With main control unit 203, the electric signal that the signal analysis unit 202 is used to send the audio pickup device divides
Analysis, obtains the corresponding encoded information of tire monitoring parameters information, and be sent to the main control unit 203；
The main control unit 203 obtains vehicle corresponding with the vibration signal for being decoded to the encoded information
Fetal monitoring surveys result data.
It can be in one embodiment referring to Fig. 2, the tire monitoring modular 1, further include connecting with audio unit 102
The motion detection sensor 104 connect, the power supply 105 connecting with motion detection unit, the motion detection sensor 104, are used for
When detecting vehicle wheel rotation, it is connected to the audio unit 102 and power supply 105.
Tire monitoring device provided in an embodiment of the present invention, motion detection sensor 104 are used to detect whether wheel rotates,
When wheel starts turning, motion detection sensor 104 controls power supply Unit 105 and powers to audio unit 102, audio unit 102
Work must be electrically activated；Under wheel stationary state, power supply 105 cannot power to audio unit 102, and audio unit 102 does not supply
Electricity cannot work, i.e., tire monitoring modular 1 does not work, to realize saving electric power.
In a specific embodiment, when detecting tire movement, the motion detection sensor 104 is on shape
State controls the power supply 105 and powers to the audio unit 102.
Tire monitoring device provided in an embodiment of the present invention, when tire movement, motion detection sensor 104 is connected, electricity
Source 105 powers to audio unit 102, realizes the Monitor in time of vehicle tire during the motion, and when tire is static, movement
Detection sensor 104 disconnects, and power supply 105 cannot power to audio unit 102, so that audio unit 102 does not work, saves electricity
Can, the power supply of power supply Unit 105 is controlled by motion detection sensor 104, extends the power-on time of power supply 105, is protected
Tire monitoring device is demonstrate,proved to the validity of tire long-term monitoring.
In a specific embodiment, it can be, the audio unit 102, monitored specifically for tire based on the received
The tire monitoring parameters information of unit 101 generates the audio signal of coding corresponding with the tire monitoring parameters information；Or it uses
In the tire monitoring parameters information of tire monitoring unit 101 based on the received, selected from the audio signal of the multiple codings prestored
Select the audio signal of coding corresponding with the tire monitoring parameters information；The audio signal of the coding includes: tyre pressure
At least one of force parameter information and tire temperature parameter information.
It can be in one embodiment referring to Fig. 3 or Fig. 4, the tire monitoring unit 101 includes pressure detecting portion
Part and temperature detection part, the pressure detecting part is for detecting tire pressure, and the temperature detection part is for detecting vehicle
Tire temperature.
In one embodiment, it can be, the pressure detecting part is pressure sensor or pressure switch；The temperature
Detection part is temperature sensor or temperature detect switch (TDS).
Referring to shown in Fig. 3, the tire monitoring modular 1 of the tire monitoring device of the embodiment of the present invention, comprising: motion detection passes
Sensor 104, power supply 105, tire monitoring unit 101, audio unit 102 and audio frequency vibration energy converter 103.Motion detection sensor
104 are responsible for the power supply of control power supply 105, and when tire is static, motion detection sensor 104 is in open-circuit condition, and power supply 105 cannot
Power supply；When tyre rotation, motion detection sensor 104 is connected, and power supply 105 is powered to audio unit 102, tire monitoring modular
1 respectively supervises the air pressure of tire and temperature by the pressure detecting part of tire monitoring unit 101 and temperature detection part
It surveys, and is exported monitoring result by audio detection unit.
Tire monitoring result can export successive value or switching value.Specifically, can be, when tire monitoring result
When output is successive value, the tire monitoring information of the tire monitoring unit 101 based on the received of audio unit 102 is compiled by audio
After code, modulation generates the audio signal of coding corresponding with the tire monitoring information, and drives audio frequency vibration energy converter 103 will
The audio signal of the coding is converted to vibration signal and transmits outward by wheel, vehicle body.When the output of tire monitoring result is switch
When amount, it is previously stored with the audio signal of corresponding preset pressure threshold value or temperature threshold in audio unit 102, when tire monitors list
When the tire pressure or temperature of 101 monitoring of member reach preset threshold value, then corresponding audio signal, driving audio shake are directly triggered
The audio signal of the coding is converted to vibration signal and transmitted outward by wheel, vehicle body by dynamic energy converter 103.
First optional specific embodiment as the embodiment of the present invention:
The specific structure of tire monitoring modular 1, can be, comprising: audio unit 102, the vehicle connecting with audio unit 102
Tire monitoring unit 101, audio frequency vibration energy converter 103, low pressure comparison circuit 106 and power supply 105, and connection power supply 105 and sound
The motion detection sensor 104 of frequency unit 102.Specifically, the audio unit 102 is audio ic (Integrated
Circuit, IC).It include 4 signal input parts and a signal output end referring to Fig. 4, audio IC, tire monitoring unit 101 wraps
Two pressure switches and a temperature switch are included, two pressure switches are respectively high pressure detection pressure switch and low pressure detection pressure
Switch, for realizing the high pressure detection of tire pressure and low pressure high pressure；Temperature switch, for realizing the high temperature detector of tyre temperature
It surveys.The low pressure comparison circuit 106 of tire monitoring modular 1 connects power supply Unit 105 and audio unit 102, for realizing when detection
To power supply 105 voltage be lower than reference voltage when low-voltage alarm.The high-pressure switch of tire monitoring unit 101, low pressure
The output of pressure switch, temperature switch and low pressure comparison circuit 106 is connected respectively to four signal input parts of audio IC, works as vehicle
When tire monitoring module monitors are to the threshold value that any one of the voltage of the pressure of tire, temperature and power supply 105 is more than setting, to
The corresponding signal input part of audio IC inputs tire monitoring parameters information, and audio IC is according to the tire monitoring parameters information, choosing
Corresponding audio signal is selected and issues, driving audio frequency vibration energy converter 103 exports corresponding vibration signal, penetrates vibration signal
Wheel and vehicle body are propagated.
Specifically, can be, the audio signal of multiple codings is prestored in audio IC, for example, tire high pressure audio signal,
Tire low pressure audio signal, tire high temperature audio signal and power supply low-voltage audio signal.When tire rotation, motion detection is passed
Sensor 104 is connected to power supply 105 and audio IC, and power supply 105 is made to power to audio IC, when the high pressure of tire monitoring unit 101 detects
Pressure switch or low pressure detection pressure switch detect pressure or be more than given threshold, and/or, temperature switch detects that temperature is super
When crossing given threshold, corresponding tire monitoring parameters information is sent to audio IC, audio IC tire monitoring parameters based on the received
Information plays the corresponding audio signal by coding, is sent to the audio frequency vibration energy converter 103, is converted to vibration signal,
It is propagated through wheel and vehicle body.Order of the audio IC in the audio signal of broadcast encoder can carry out according to the actual situation
Adjustment, such as tire high pressure audio signal or tire low pressure audio signal are first played, then play tire high temperature audio signal.When low
When pressure comparison circuit 106 detects that the voltage of power supply 105 is more than the threshold value of setting, power supply low pressure alarming letter is sent to audio IC
Breath, audio IC power supply low pressure alarming information based on the received play the corresponding audio letter by coding when 105 low pressure of power supply
Number.
The audio pickup device of central control module 2 monitors vibration signal, is converted to electric signal, and it is single to be sent to signal analysis
Member 202, signal analysis unit 202 analyzes the electric signal, obtains the corresponding encoded information of tire monitoring parameters information, and
It is sent to the main control unit 203；Main control unit 203 is decoded the encoded information, obtains corresponding with the voice signal
Tire monitoring result data.
Specifically, can be, signal analysis unit 202 is when analyzing electric signal, by putting to electric signal
Big processing, and after being filtered to amplified signal, analysis obtains the corresponding encoded information of tire monitoring parameters information.Center
Control module 2 further includes the input unit (not shown) connecting with main control unit 203, and user passes through input unit to master control
Unit 203 sends interactive information, and main control unit 203 combines the input information of input unit, is decoded to the encoded information,
Obtain tire monitoring result data corresponding with the voice signal.The input unit includes in keyboard, key and touch screen
At least one.
The central control module 2 further includes the output unit 204 connecting with the main control unit 203；The output is single
Member 204 is following any one or more combinations: display screen, signal lamp and loudspeaker；The output unit 204 is used for according to pre-
If mode prompts the tire monitoring result data.
Second optional specific embodiment as the embodiment of the present invention:
The specific structure of tire monitoring modular 1, can be, comprising: audio unit 102, the vehicle connecting with audio unit 102
Tire monitoring unit 101, audio frequency vibration energy converter 103, power supply 105 and the motion detection for connecting power supply 105 and audio unit 102
Sensor 104.Referring to Fig. 5, audio unit 102 includes the signal conversion subunit connecting with tire monitoring unit 101, coding
Unit, signal comparator, the signal modulation subelement comprising carrier generator, coded sub-units and signal conversion subunit, letter
Number comparator and signal modulation subelement are separately connected, and signal modulation subelement is connect with audio frequency vibration energy converter 103.
Tire monitoring signals that signal conversion subunit inputs tire detection unit 101 (including tire pressure parameter letter
At least one of breath and tire temperature parameter information) carry out analog-to-digital conversion, and the format of the tire monitoring signals to input
It is converted, obtains digitized signal；The digitized signal of input is encoded in coded sub-units, to improve signal
Efficiency of transmission；The value of digitized signal after signal comparator detects the coding of coded sub-units is greater than the threshold value of setting
When, the digitized signal after coding is sent signal modulation subelement by control coded sub-units, exports continuous or discontinuous
Signal is to signal modulation subelement；In signal modulation subelement, the carrier signal of fixed frequency is generated by carrier generator, it is right
The digitized signal of the coding of input carries out signal modulation, analog waveform signal of the output including the digitized signal encoded to sound
In frequency vibration energy converter 103, corresponding vibration will be converted by the analog waveform signal of coding by audio frequency vibration energy converter 103
Signal transmits vibration signal through wheel and vehicle body.
Specifically, can be, referring to shown in Fig. 6, the signal modulation subelement of audio unit 102 includes and coded sub-units
The differential encoding subelement of connection, carrier generator, the phase shift subelement being connect with carrier generator.Differential encoding subelement pair
The encoded signal of coded sub-units input carries out differential encoding, corresponding, and carrier generator generates the carrier wave of a fixed frequency
Signal carries out phase shift to the carrier signal of the fixed frequency of carrier generator by phase shift subelement, before difference, differentiated two column
Before digitized signal and phase shift after coding, dephased two column carrier signal interact respectively obtain two column include by
The analog waveform signal of the digitized signal of coding.In the present embodiment, digitized signal is carried out by way of differential encoding
Processing, improves the fault-tolerance and anti-external disturbance performance of signal.
Corresponding to the tire monitoring modular 1 of the embodiment of the present invention, the audio of the central control module 2 of device for monitoring tyre pressure is picked up
Sound device monitors vibration signal, is converted to electric signal, that is, includes by the analog waveform signal of the digitized signal of coding, hair
It is sent to signal analysis unit 202, differential decoding is carried out to the signal by signal analysis unit 202, obtains tire monitoring parameters letter
The encoded information of corresponding digitized signal is ceased, and is sent to the main control unit 203；Main control unit 203 is to the encoded information
It is decoded, obtains tire monitoring result data corresponding with the voice signal.Central control module 2, further include with it is described
The output unit 204 that main control unit 203 connects；The output unit 204 can be following any one or more combinations: display
Screen, signal lamp and loudspeaker；The output unit 204 is used to prompt the tire monitoring result data according to predetermined manner.
In a specific embodiment, above-mentioned signal comparator can also be connect with carrier generator.Work as signal comparator
When the value of digitized signal after detecting the coding of coded sub-units is greater than the threshold value of setting, control carrier generator generates solid
Determine the carrier wave of frequency；When the value of digitized signal after the coding of coded sub-units is less than the threshold value of setting, carrier generator
It does not work, to save electric energy.
In second optional specific embodiment, motion detection sensor 104 controls power supply 105 and audio unit 102
The mode of connection is similar with first optional specific embodiment, here, repeating no more.
In one embodiment, audio unit 102 can also be examined using tire of the other modes to tire monitoring unit 101
Signal is surveyed to be handled.For example, passing through micro-control unit (Microcontroller Unit；MCU audio frequency vibration transducing) is connected
Device device 103, when MCU receive tire monitoring unit 101 tire detect signal when, inside MCU to tire monitoring signals into
Row processing, in the drive condition for reaching setting, driving audio frequency vibration energy converter 103 issues audio signal, and is converted to vibration
Signal is transmitted outward by tire and vehicle body.
In the above-described embodiments, tire monitoring unit 101 also may include pressure detecting part and temperature detection part, institute
Pressure detecting part is stated for detecting tire pressure, the temperature detection part is for detecting tire temperature.Specifically, the pressure
Power detection part can be pressure sensor or pressure switch；The temperature detection part can be opened for temperature sensor or temperature control
It closes.
In above-mentioned two optional embodiment, the main control unit 203 of central control module 2 can also use single-chip microcontroller.It is logical
Crossing single-chip microcontroller may be implemented more procedure controls, can further realize alarm, Energy Saving Control.
In one embodiment, it can be, the power supply 105 is power storage cell or solar battery, or passes through vehicle
Wheel rotation or vehicle body shake the self-power generation and power supply power supply produced electricl energy.
In a specific embodiment, power supply 105 provided in an embodiment of the present invention can be, vehicle power supply or wireless power
Power supply.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of vehicle, including tire described in any of the above embodiments
Monitoring device.
Tire monitoring method provided in an embodiment of the present invention, by by tire monitoring information be converted to sound vibrations signal into
Air interference is not present compared with wireless transmission method in row transmission, stable signal transmission, and signal quality is high, convenient for shaking to sound
Dynamic signal is converted, is analyzed, and obtained tire testing result is truer, reliable.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of tire monitoring device characterized by comprising central control module and at least one tire monitoring modular；Institute
It states at least one tire that at least one tire monitoring modular is respectively placed on vehicle, the central control module is located at vehicle
Vehicle body in；
The tire monitoring modular includes that audio unit, the tire monitoring unit being separately connected with the audio unit and audio are shaken
Dynamic energy converter；The tire monitoring unit, for being monitored to tire, and the tire monitoring parameters information that monitoring is obtained is sent out
It is sent to the audio unit；The audio unit, for according to the tire monitoring parameters information, the determining and tire to be monitored
The corresponding audio signal of parameter information, and it is sent to the audio frequency vibration energy converter；The audio frequency vibration energy converter is used for institute
It states audio signal and is converted to vibration signal；
The central control module includes audio frequency vibration sound pick-up, the audio frequency vibration sound pick-up, monitors the shake for working as
When dynamic signal, by the vibration signal be converted to electric signal corresponding to the tire monitoring parameters information, it is described to obtain
The corresponding tire monitoring parameters of vibration signal.
2. tire monitoring device as described in claim 1, which is characterized in that the central control module further includes signal analysis
Unit and main control unit, the signal analysis unit are separately connected the audio frequency vibration sound pick-up and the main control unit；
The signal analysis unit, the electric signal for sending to the audio pickup device are analyzed, and tire prison is obtained
The corresponding encoded information of parameter information is surveyed, and is sent to the main control unit；
The main control unit obtains tire monitoring corresponding with the vibration signal for being decoded to the encoded information
Result data.
3. tire monitoring device as claimed in claim 1 or 2, which is characterized in that the tire monitoring modular, further includes electricity
Source, the motion detection sensor being connected between audio unit and power supply；The motion detection sensor, which is used to work as, detects vehicle
When wheel rotation, it is connected to the audio unit and power supply.
4. tire monitoring device as claimed in claim 3, which is characterized in that the tire monitoring unit includes pressure detecting portion
Part and temperature monitoring component.
5. tire monitoring device as claimed in claim 4, which is characterized in that the pressure monitoring component be pressure sensor or
Pressure switch；The temperature monitoring component is temperature sensor or temperature detect switch (TDS).
6. tire monitoring device as claimed in claim 5, which is characterized in that the audio unit is specifically used for according to reception
Tire monitoring unit tire monitoring parameters information, the audio for generating corresponding with tire monitoring parameters information coding believes
Number；Or the tire monitoring parameters information for tire monitoring unit based on the received, from the audio signal of the multiple codings prestored
The middle audio signal for selecting coding corresponding with the tire monitoring parameters information；The audio signal of the coding includes: vehicle
At least one of tire pressure parameter information and tire temperature parameter information.
7. tire monitoring device as claimed in claim 3, which is characterized in that the tire monitoring modular further includes being separately connected
The low pressure comparison circuit of power supply and audio unit, for when detecting the voltage of power supply lower than preset reference voltage, Xiang Yin
Frequency unit sends low pressure alarming information.
8. tire monitoring device as claimed in claim 7, which is characterized in that the power supply is power storage cell or solar-electricity
Pond.
9. tire monitoring device as claimed in claim 2, which is characterized in that the central control module, further include with it is described
The output unit of main control unit connection；The output unit is following any one or more combinations: display screen, signal lamp and being raised
Sound device；The output unit is used to prompt the tire monitoring result data according to predetermined manner.
10. a kind of vehicle, which is characterized in that including the described in any item tire monitoring devices of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519369.8A CN109606035B (en) | 2018-12-12 | 2018-12-12 | Tire monitoring device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519369.8A CN109606035B (en) | 2018-12-12 | 2018-12-12 | Tire monitoring device and vehicle |
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| Publication Number | Publication Date |
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| CN109606035A true CN109606035A (en) | 2019-04-12 |
| CN109606035B CN109606035B (en) | 2023-08-29 |
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| CN201811519369.8A Active CN109606035B (en) | 2018-12-12 | 2018-12-12 | Tire monitoring device and vehicle |
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| Country | Link |
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| CN (1) | CN109606035B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100780536B1 (en) * | 2007-03-16 | 2007-11-30 | 주식회사 일진글로벌 | Tire pressure monitoring device |
| CN101332749A (en) * | 2008-02-20 | 2008-12-31 | 东南大学 | Monitoring method and device of vehicle tyre data |
| CN105751830A (en) * | 2016-02-24 | 2016-07-13 | 北京汽车股份有限公司 | Tire monitoring system and vehicle |
| CN107984984A (en) * | 2017-11-24 | 2018-05-04 | 广东菲柯特电子科技有限公司 | Tire pressure monitoring system capable of realizing intelligent automobile conversation with internet |
| CN207931400U (en) * | 2017-12-06 | 2018-10-02 | 广东远峰汽车电子有限公司 | A kind of tire monitor and early warning system based on car networking |
-
2018
- 2018-12-12 CN CN201811519369.8A patent/CN109606035B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100780536B1 (en) * | 2007-03-16 | 2007-11-30 | 주식회사 일진글로벌 | Tire pressure monitoring device |
| CN101332749A (en) * | 2008-02-20 | 2008-12-31 | 东南大学 | Monitoring method and device of vehicle tyre data |
| CN105751830A (en) * | 2016-02-24 | 2016-07-13 | 北京汽车股份有限公司 | Tire monitoring system and vehicle |
| CN107984984A (en) * | 2017-11-24 | 2018-05-04 | 广东菲柯特电子科技有限公司 | Tire pressure monitoring system capable of realizing intelligent automobile conversation with internet |
| CN207931400U (en) * | 2017-12-06 | 2018-10-02 | 广东远峰汽车电子有限公司 | A kind of tire monitor and early warning system based on car networking |
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| Publication number | Publication date |
|---|---|
| CN109606035B (en) | 2023-08-29 |
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