CN107303785A - A kind of tire pressure monitoring system and method - Google Patents
A kind of tire pressure monitoring system and method Download PDFInfo
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- CN107303785A CN107303785A CN201610257618.5A CN201610257618A CN107303785A CN 107303785 A CN107303785 A CN 107303785A CN 201610257618 A CN201610257618 A CN 201610257618A CN 107303785 A CN107303785 A CN 107303785A
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- Prior art keywords
- tire pressure
- vehicle
- client
- tire
- main frame
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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
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
-
- 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
- B60C2200/00—Tyres specially adapted for particular applications
- B60C2200/04—Tyres specially adapted for particular applications for road vehicles, e.g. passenger cars
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The embodiment of the invention discloses a kind of tire pressure monitoring system, including：Tyre pressure sensor, the main frame being connected with the tyre pressure sensor, and the client with the main frame wireless connection；The main frame is provided with Long Term Evolution Internet of Things LTE M modules；The tyre pressure sensor is used for the tire pressure for detecting vehicle tyre, and the tire pressure is sent into the main frame；The main frame is used to determine whether the tire pressure of the vehicle exception occurs；When the tire pressure of the vehicle occurs abnormal, the tire pressure and/or warning message are sent to the client using the LTE M modules.Further, the embodiment of the invention also discloses a kind of tire pressure monitoring method applied to main frame and a kind of tire pressure monitoring method applied to Cloud Server.
Description
Technical field
The present invention relates to the tire pressure detection technique of field of automobile control, more particularly to a kind of tire pressure monitoring system and
Method.
Background technology
With the growth in the living standard of people, the popularity rate more and more higher of automobile.Automobile is conveniently special
Property, cause it to turn into the preferred traffic instrument that people go on a journey.In practical application, automobile, which is generally selected, to be filled
Pneumatic tire, and tire pressure is the security of inflatable tire guarantee vehicle traveling and the important parameter of comfortableness.
In the prior art, in order to ensure the security and comfortableness of vehicle traveling, it is necessary to detection tire in real time
Tire pressure.Specifically, tire pressure sensor can be set on the tire of vehicle, and collection vehicle wheel in real time
The tire pressure collected, is then sent to the main frame of vehicle interior setting by the tire pressure of tire, and by the master
Machine is sent to client, in order to which user is capable of the state of real time inspection vehicle tyre pressure, it is to avoid because tire pressure becomes
Change the larger potential safety hazard caused.
But, existing tire detecting system generally realizes power supply using vehicle accumulator, at vehicle motor
When flameout state, the electricity of vehicle accumulator is limited, and gathers and send the tire pressure of vehicle in real time, is needed
Communication module is wanted to be chronically at presence, and the most occupied bandwidth of existing communication module is big, and power consumption is high,
Therefore cause the power consumption of main frame also larger, cause the wasting of resources, and then easily lead to vehicle accumulator thanks to point,
Influence the startup of vehicle.
The content of the invention
To solve existing technical problem, the embodiment of the present invention provides a kind of tire pressure monitoring system and method,
The tire pressure monitoring under low-power consumption can be realized, resource is saved, it is to avoid vehicle accumulator loses a little cause bad
Influence.
To reach above-mentioned purpose, what the technical scheme of the embodiment of the present invention was realized in：
In a first aspect, the embodiment of the present invention provides a kind of tire pressure monitoring system, including：Tyre pressure sensor, with
The main frame of the tyre pressure sensor connection, and the client with the main frame wireless connection；The main frame is set
It is equipped with Long Term Evolution Internet of Things LTE-M modules；
The tyre pressure sensor is used for the tire pressure for detecting vehicle tyre, and the tire pressure is sent into the main frame；
The main frame is used to determine whether the tire pressure of the vehicle exception occurs；When the tire pressure of the vehicle occurs
When abnormal, the tire pressure and/or warning message are sent to the client using the LTE-M modules.
Optionally, the main frame is additionally operable to when the tire pressure of the vehicle does not occur abnormal, closes the LTE-M
Module.
Optionally, the main frame specifically for obtain preset time period in tire pressure knots modification, judge described in change
Whether variable is more than or equal to default threshold pressure differential；When the knots modification is more than or equal to the threshold pressure differential
When, determine that exception occurs in the tire pressure of the vehicle；When the knots modification is less than the threshold pressure differential, it is determined that
The tire pressure of the vehicle does not occur exception.
Optionally, the main frame is additionally provided with power supply；
The main frame is additionally operable to determine whether vehicle motor is in flameout state, at the vehicle motor
When flameout state, the power supply is used for the host supplying power.
Optionally, the client is used to send host identification and checking password to the main frame；
The main frame is additionally operable to, according to the host identification and the checking password, whether determine the client
Pass through checking；When the client is by checking, and the tire pressure of the vehicle is when occurring abnormal, using described
LTE-M modules send the tire pressure and/or warning message to the client.
Optionally, the system also includes Cloud Server, and the main frame passes through the Cloud Server and the visitor
Family end wireless connection；
The main frame be additionally operable to using the LTE-M modules to the Cloud Server send the tire pressure and/or
The warning message；
The Cloud Server is used to the tire pressure and/or the warning message being sent to the client.
Optionally, the client is additionally operable to send the vehicle information and wheel of the vehicle to the Cloud Server
Tire information；
The Cloud Server is additionally operable to, according to the vehicle information and the tire information, determine the vehicle
Whether tire pressure there is exception；When the tire pressure of the vehicle occurs abnormal, the tire is sent to the client
Pressure and/or the warning message.
Optionally, the client is additionally operable to obtain tire pressure, travel speed and the total kilometrage information of Current vehicle,
And the tire pressure of the Current vehicle, travel speed and total kilometrage information are sent to the Cloud Server；
The Cloud Server be additionally operable to receive the tire pressure of corresponding vehicle that multiple client sends, travel speed and
Total kilometrage information, the tire pressure of the corresponding vehicle sent according to the multiple client that receives, travel speed and always
Mileage information, the corresponding relation of acquisition speed, mileage and tire pressure；According to the speed, mileage and tire pressure
Corresponding relation, determines whether the tire pressure of the Current vehicle exception occurs；When the tire pressure of the Current vehicle goes out
When now abnormal, the tire pressure and/or warning message are sent to the corresponding client of the Current vehicle.
Second aspect, the embodiment of the present invention provides a kind of tire pressure monitoring method, applied to main frame, the main frame
Long Term Evolution Internet of Things LTE-M modules are provided with, methods described includes：
Obtain the tire pressure of vehicle tyre；
Determine whether the tire pressure of the vehicle exception occurs；
When the tire pressure of the vehicle occurs abnormal, the tire is sent to client using the LTE-M modules
Pressure and/or warning message.
Optionally, after whether the tire pressure for determining the vehicle exception occurs, methods described also includes：
When the tire pressure of the vehicle does not occur abnormal, the LTE-M modules are closed.
Optionally, whether the tire pressure for determining the vehicle there is abnormal include：
Obtain the knots modification of tire pressure in preset time period；
Judge whether the knots modification is more than or equal to default threshold pressure differential；
When the knots modification is more than or equal to the threshold pressure differential, determine that exception occurs in the tire pressure of the vehicle；
When the knots modification is less than the threshold pressure differential, determine that the tire pressure of the vehicle does not occur exception.
Optionally, it is described that the tire pressure and/or warning message are sent to client using the LTE-M modules
Including：
The tire pressure and/or the warning message are sent to Cloud Server using the LTE-M modules, so as to
The tire pressure and/or the warning message are sent to the client in the Cloud Server.
The third aspect, the embodiment of the present invention provides a kind of tire pressure monitoring method, applied to Cloud Server, including：
The tire pressure for the Current vehicle that Receiving Host is sent；
Receive the vehicle information and tire information for the Current vehicle that client is sent；
According to the vehicle information and tire information of the Current vehicle, determine the Current vehicle tire pressure whether
Occur abnormal；
When the tire pressure of the Current vehicle occurs abnormal, the tire pressure and/or alarm are sent to the client
Information.
Optionally, methods described also includes：Receive tire pressure, the traveling for the corresponding vehicle that multiple client is sent
Speed and total kilometrage information；
Tire pressure, travel speed and the total kilometrage information of the corresponding vehicle sent according to the multiple client received,
The corresponding relation of acquisition speed, mileage and tire pressure；
According to the corresponding relation of the speed, mileage and tire pressure, determine whether the tire pressure of the Current vehicle goes out
It is now abnormal；
When the tire pressure of the Current vehicle occurs abnormal, institute is sent to the corresponding client of the Current vehicle
State tire pressure and/or the warning message.
The embodiments of the invention provide a kind of tire pressure monitoring system and method, the tire pressure monitoring system includes：
Tyre pressure sensor, the main frame being connected with the tyre pressure sensor, and the client with the main frame wireless connection
End；The main frame is provided with Long Term Evolution Internet of Things LTE-M modules；The tyre pressure sensor is used to detect car
The tire pressure of tire, and the tire pressure is sent to the main frame；The main frame is used to determine the vehicle
Whether tire pressure there is exception；When the tire pressure of the vehicle occurs abnormal, using the LTE-M modules to institute
State client and send the tire pressure and/or warning message.Compared to prior art, put out if vehicle motor is in
Fiery state, can determine whether tire pressure exception occurs first, and only when tire pressure occurs abnormal
Tire pressure or warning message are sent, data transmission frequency is reduced, and then reduce power consumption；Simultaneously because LTE-M
Module has the characteristics of low-power consumption, high delay, sends tire pressure or warning message using LTE-M modules, enters one
Step reduces power consumption when sending tire pressure, it is achieved thereby that the tire pressure monitoring under low-power consumption, has saved resource,
Avoid vehicle accumulator and lose the harmful effect a little caused.
Brief description of the drawings
In accompanying drawing (it is not necessarily drawn to scale), similar reference can be in different views
Described in similar part.Similar reference numerals with different letter suffix can represent the difference of similar component
Example.Accompanying drawing generally shows each embodiment discussed herein by way of example and not limitation.
Fig. 1 is a kind of structural representation Fig. 1 of tire pressure monitoring system provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation Fig. 2 of tire pressure monitoring system provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic flow sheet 1 of tire pressure monitoring method provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic flow sheet 2 of tire pressure monitoring method provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, it is fully described by.
Embodiment one
The embodiment of the present invention provides a kind of tire pressure monitoring system 10, as shown in figure 1, the tire pressure monitoring system
10 include：Tyre pressure sensor 101, the main frame 102 being connected with the tyre pressure sensor 101, and with institute
State the client 103 of the wireless connection of main frame 102.
Wherein, the main frame 102 be provided with Long Term Evolution Internet of Things (LTE-Machine to Machine,
LTE-M) module 1021.The tyre pressure sensor 101 is used for the tire pressure for detecting vehicle tyre, and will be described
Tire pressure is sent to the main frame 102.The main frame 102 is for determining it is different whether the tire pressure of the vehicle occurs
Often；When the tire pressure of the vehicle occurs abnormal, sent out using the LTE-M modules to the client 103
Send the tire pressure and/or warning message.
Example, it is assumed that vehicle has four tires, then tire pressure monitoring system 10 can include four tire pressures biographies
Sensor 101, four tyre pressure sensors 101 are set on the valve inside with four tires respectively, tyre pressure sensor
101 can detect tire pressure according to the air pressure near valve inside.Specifically, tyre pressure sensor 101 can pass through
Radio connection realizes the connection with main frame 102, and the radio connection can be infrared connection, penetrate
The mode such as frequency connection or bluetooth connection, the embodiment of the present invention is not limited this；Or wire can also be passed through
Realize the wired connection with main frame 102.
Example, when it is determined that whether the tire pressure of the vehicle occurs abnormal, main frame 102 can be pre-set
Standard tire pressure and predetermined threshold value, after the tire pressure of the transmission of tyre pressure sensor 101 is received, it is first determined tire
Whether pressure and the difference of the standard tire pressure are more than or equal to predetermined threshold value, when the difference of tire pressure and the standard tire pressure
During more than or equal to predetermined threshold value, illustrate changing greatly for tire pressure, in fact it could happen that gas leakage or the feelings deflated by people
Condition, can now determine abnormal tyre pressure；When the difference of tire pressure and the standard tire pressure is less than predetermined threshold value, say
The change of bright tire pressure is smaller, may only be the normal variation as caused by environment or road surface, can now determine tire
Pressure does not occur exception.Or, main frame 102 can also pre-set threshold pressure differential, then obtain preset time
The maximum and minimum value of tire pressure in section, the difference of the maximum and minimum value change for tire pressure in preset time period
Variable, then judges whether the knots modification is more than or equal to default threshold pressure differential, when knots modification is more than or waits
When threshold pressure differential, illustrate tire pressure in preset time period and change greatly, in fact it could happen that gas leakage or by
The situation that people deflates, can now determine that the tire pressure of vehicle occurs abnormal, it is necessary to send tire to client 103
Pressure and/or warning message, the warning message are used to indicate that exception occurs in vehicle tyre pressure, and client 103 is connecing
Receive after the warning message, user can be pointed out on the display interface of client 103, or send honeybee
Song points out user, and the embodiment of the present invention is not limited this；When knots modification is less than threshold pressure differential, explanation
In preset time period tire pressure and change smaller, small knots modification can be as caused by environment or road surface normal
Change, can now determine that the tire pressure of vehicle does not occur exception.
Optionally, when main frame 102 determines that vehicle tyre pressure occurs abnormal, it is necessary to inform user in time, so as to
Adopted remedial measures in time in user, in order to avoid there is bigger potential safety hazard.Optionally, set on main frame 102
Be equipped with LTE-M modules, the LTE-M modules have the advantages of low-power consumption, height delay, occupied bandwidth compared with
It is small, it is only necessary to which that few electricity can complete the transmission of data, therefore reduce power consumption when sending tire pressure.
So, if vehicle motor is in flameout state, it can determine whether tire pressure occurs exception first,
And tire pressure or warning message are just only sent when tire pressure occurs abnormal, data transmission frequency is reduced,
And then reduce power consumption；Simultaneously because LTE-M modules have the characteristics of low-power consumption, high delay, using LTE-M
Module sends tire pressure or warning message, power consumption when sending tire pressure is reduce further, it is achieved thereby that low work(
Tire pressure monitoring under consumption, has saved resource, it is to avoid vehicle accumulator loses the harmful effect a little caused.
Optionally, the main frame 102 is additionally operable to when the tire pressure of the vehicle does not occur abnormal, is closed described
LTE-M modules.
Example, can not be to client when main frame 102 determines that the tire pressure of the vehicle does not occur abnormal
Data are sent, if now LTE-M modules are in line model, it is still desirable to continue to the module for power supply,
Cause the waste of electric energy.Therefore, when the tire pressure of vehicle does not occur abnormal, LTE-M modules can be closed,
I.e. the control of main frame 102 power supply stops to the module for power supply so that LTE-M modules are in park mode, enter one
Step has saved electric energy；When the tire pressure of vehicle occurs abnormal, main frame 102 controls power supply to the module for power supply,
Wake up LTE-M modules so that LTE-M module access networks, and data are sent to client.
Optionally, the main frame 102 is additionally provided with power supply；The main frame 102 is additionally operable to determine vehicle startup
Whether machine is in flameout state, when the vehicle motor is in flameout state, uses the power supply for institute
Main frame 102 is stated to power.
Example, it is electric when the engine of vehicle is in flameout state if main frame is from the storage battery power taking of vehicle
The electricity of bottle is limited, and storage battery electricity, which is used for a long time, will certainly cause the power shortage of storage battery, and then influence vehicle
Startup.Therefore, main frame 102 can be provided with the power supply carried in practical application, when main frame 102 is determined
When vehicle motor is currently at flameout state, the power supply carried can be used to be powered, it is to avoid long-term
The storage battery power shortage being likely to result in using storage battery electricity.Wherein, the power supply can be battery, can fill repeatedly
Lithium battery of electricity etc., the embodiment of the present invention is not limited this.It should be noted that starting due to vehicle
When machine is in operating condition, the storage battery of vehicle is constantly in charged state, is not in the situation of storage battery power shortage,
Therefore when main frame 102 determines that the engine of vehicle is in operating condition, still it can be entered using vehicle accumulator
Row power supply.
Optionally, the client 103 is used to send host identification and checking password to the main frame 102；
The main frame 102 is additionally operable to, according to the host identification and the checking password, determine the client 103
Whether checking is passed through；When the client 103 is by checking, and the tire pressure of the vehicle is when occurring abnormal,
The tire pressure and/or warning message are sent to the client 103 using the LTE-M modules.
Example, main frame 102 presets host identification and checking password when dispatching from the factory, and the host identification can
Think International Mobile Station Equipment Identification (International Mobile Equipment Identity, IMEI) code, institute
It can be networking password corresponding with IMEI code to state checking password.User needs to use client to check vehicle
During tire pressure, the IMEI code and networking password on main frame 102 can be first looked at, client 103 is then opened,
Input the IMEI code and networking password of main frame 102, MEI codes that client 103 will input user with
Networking password is sent to the corresponding main frame 102 of the MEI codes, and main frame 102 is sent receiving client 103
IMEI code and networking password after, it is first determined the IMEI code received and itself IMEI code whether phase
Together, if the IMEI code received is identical with itself IMEI code, it is determined that the networking password received and itself
Whether networking password matches, when the IMEI code received is identical with itself IMEI code, and the networking received
When password and itself networking password match, illustrate client 103 by verifying, now main frame 102 is to client
End 103 sends authentication certificate, and the authentication credentials of main frame 102 are connected as client 103；When what is received
IMEI code is differed with itself IMEI code, or the networking password received is mismatched with itself networking password
When, illustrate that client 103 is not verified, main frame 102 sends authentication failed message to client 103,
In order to which client 103 initiates checking again.
Optionally, as shown in Fig. 2 the system 10 also includes Cloud Server 104, the main frame 102 leads to
Cross the Cloud Server 104 and the wireless connection of client 103.
When client 103 is initiated to verify, the MEI codes and networking password that can input user are sent to cloud
Server 104, is then transmitted to the corresponding main frame 102 of the MEI codes, when main frame 102 by Cloud Server 104
When confirming client 103 by verifying, authentication certificate, Cloud Server 104 can be sent to Cloud Server 104
The authentication certificate is transmitted to client 103, now the authentication certificate can also be logged in as client 103
The voucher of Cloud Server.
Optionally, the main frame 102 is additionally operable to send out to the Cloud Server 104 using the LTE-M modules
Send the tire pressure and/or the warning message；The Cloud Server 104 is used for the tire pressure and/or the report
Alert information is sent to the client 103.
Example, main frame 102 determines that the tire pressure of vehicle occurs abnormal, it is necessary to send tire pressure to client 103
And/or during warning message, first can be sent to tire pressure and/or warning message using the LTE-M modules
Cloud Server 104, is then transmitted to client 103 by Cloud Server 104, in order to Cloud Server 104
The information for obtaining vehicle is analyzed for big data.
Optionally, the client 103 is additionally operable to send the vehicle of the vehicle to the Cloud Server 104
Information and tire information；The Cloud Server 104 is additionally operable to according to the vehicle information and the tire information,
Determine whether the tire pressure of the vehicle exception occurs；When the tire pressure of the vehicle occurs abnormal, to the visitor
Family end 103 sends the tire pressure and/or the warning message.
Example, because the type of vehicle is more, different types of vehicle varies in weight, therefore it is required that
Normal tire pressure is also different.Likewise, due to the preparation method of tire, the difference of material and decorative pattern is different
The normal tire pressure of the tire requirement of type is also different.Therefore after client 103 is by checking, it can obtain
The vehicle information and tire information of pick-up, and the vehicle information and tire information are sent to Cloud Server
104.Specifically, the vehicle information can include the weight of vehicle, the parameter such as wheelbase and length and width height is described
Tire information can include the diameter of tire, width, material, the parameter such as type and decorative pattern.Cloud Server
104 can obtain the normal range (NR) of the vehicle tyre pressure for the different automobile types that producer provides, and different kinds of tyre tire
The normal range (NR) of pressure.When Cloud Server 104 receives the vehicle information and tire information of the transmission of client 103
Afterwards, it may be determined that go out the normal tire pressure scope corresponding to the vehicle information and tire information, and then receiving
After the tire pressure of the vehicle sent to client 103, it may be determined that whether the tire pressure is in the vehicle of the vehicle
In the range of information and the corresponding normal tire pressure of tire information, when the tire pressure is in the corresponding normal tire pressure of the vehicle
In the range of when, illustrate that tire pressure does not occur exception；When the tire pressure normal tire pressure scope corresponding more than the vehicle,
Illustrate that tire pressure occurs abnormal, it is necessary to send tire pressure and/or warning message to client 103.
Optionally, the client 103 is additionally operable to obtain tire pressure, travel speed and the total kilometrage of Current vehicle
Information, and the tire pressure of the Current vehicle, travel speed and total kilometrage information are sent to the Cloud Server
104；The Cloud Server 104 is additionally operable to receive the tire pressure, OK for the corresponding vehicle that multiple client 103 is sent
Speed and total kilometrage information are sailed, the tire pressure of the corresponding vehicle sent according to the multiple client 103 received,
Travel speed and total kilometrage information, the corresponding relation of acquisition speed, mileage and tire pressure；According to the speed,
The corresponding relation of mileage and tire pressure, determines whether the tire pressure of the Current vehicle exception occurs；When described current
When the tire pressure of vehicle occurs abnormal, to the corresponding client 103 of the Current vehicle send the tire pressure and/
Or warning message.
Example, abrasion occurs in tire during vehicle is travelled, and the degree of wear is generally travelled with vehicle
Total kilometrage number be directly proportional, and same tire, the different requirement to tire pressure of the degree of wear is also different；
Also, tire pressure is also easy to be influenceed by surrounding environment and road conditions, therefore in practical application, in the row of vehicle
During sailing, client 103 can also obtain tire pressure, travel speed and the total kilometrage information of Current vehicle,
And the tire pressure, travel speed and total kilometrage information are sent to Cloud Server 104.Cloud Server 104 can be with
It is connected simultaneously with multiple client, each client has corresponding vehicle, therefore each client can
Enough tire pressure, travel speed and the total kilometrage information for obtaining correspondence vehicle, so Cloud Server 104 can be obtained
To different road surfaces, diverse location, different vehicle, different travel speeds, and different total kilometrage information correspondences
Multiple tire pressures, now Cloud Server 104 can carry out statistics according to the information that gets and big data is analyzed,
The corresponding relation of acquisition speed, mileage and tire pressure, the corresponding relation has reacted different travel speeds, different
Total kilometrage information and different tire pressures between corresponding relation.So, when Cloud Server 104 is obtained
To client 103 send vehicle tire pressure when, can first from above-mentioned corresponding relation according to the vehicle work as
The parameters such as preceding position, travel speed, and total kilometrage information, obtain corresponding reference tire pressure, then really
Determine the tire pressure of the transmission of client 103 and with reference to the deviation between tire pressure, if the deviation is larger, illustrate vehicle
Tire pressure occur abnormal, it is necessary to send tire pressure and/or warning message to client 103；If the deviation is smaller,
Illustrate that the tire pressure of vehicle does not occur exception.
The embodiments of the invention provide a kind of tire pressure monitoring system, including：Tyre pressure sensor, with the tire pressure
The main frame of sensor connection, and the client with the main frame wireless connection；The main frame is provided with for a long time
Evolution Internet of Things LTE-M modules；The tyre pressure sensor is used for the tire pressure for detecting vehicle tyre, and will be described
Tire pressure is sent to the main frame；The main frame is used to determine whether the tire pressure of the vehicle exception occurs；Work as institute
When the tire pressure for stating vehicle occurs abnormal, using the LTE-M modules to the client send the tire pressure and
/ or warning message.Compared to prior art, if vehicle motor is in flameout state, tire can be determined first
Whether pressure there is exception, and tire pressure or warning message, drop are only just sent when tire pressure occurs abnormal
Low data transmission frequency, and then reduce power consumption；Simultaneously because LTE-M modules have low-power consumption, Gao Yan
When the characteristics of, tire pressure or warning message are sent using LTE-M modules, be reduce further when sending tire pressure
Power consumption, it is achieved thereby that the tire pressure monitoring under low-power consumption, has saved resource, it is to avoid vehicle accumulator, which loses, a little to be made
Into harmful effect.
Embodiment two
The embodiment of the present invention provides a kind of tire pressure monitoring method, and applied to main frame, the main frame is provided with for a long time
Evolution Internet of Things LTE-M modules, as shown in figure 3, methods described includes：
Step 301, the tire pressure for obtaining vehicle tyre.
Example, main frame can be connected with the tyre pressure sensor being arranged on vehicle tyre, then receive tire pressure
The tire pressure for the tire that sensor is sent.Specifically, main frame can be with tyre pressure sensor wireless connection, can also
With tyre pressure sensor wired connection, the embodiment of the present invention is not limited this.
Step 302, determine whether the tire pressure of the vehicle exception occurs.
Example, main frame can pre-set standard tire pressure and predetermined threshold value, receive tyre pressure sensor hair
After the tire pressure sent, it can determine whether the difference of tire pressure and the standard tire pressure is more than or equal to default threshold first
Value, when the difference of tire pressure and the standard tire pressure is more than or equal to predetermined threshold value, determines abnormal tyre pressure；Work as tire
When pressure and the difference of the standard tire pressure are less than predetermined threshold value, determine that tire pressure does not occur exception.Or, main frame
Threshold pressure differential can be pre-set, the maximum and minimum value of tire pressure in preset time period is then obtained, it is determined that
The difference of the maximum and minimum value is the knots modification of tire pressure in preset time period, whether then judges the knots modification
More than or equal to default threshold pressure differential, when knots modification is more than or equal to threshold pressure differential, the tire of vehicle is determined
Extrude existing abnormal；When knots modification is less than threshold pressure differential, determine that the tire pressure of vehicle does not occur exception.
Step 303, when the tire pressure of the vehicle occurs abnormal, using the LTE-M modules to client
Send the tire pressure and/or warning message.
Optionally, LTE-M modules have the advantages of low-power consumption, height delay, and its occupied bandwidth is smaller, therefore
Few electricity is only needed to complete the transmission of data.
So, if vehicle motor is in flameout state, it can determine whether tire pressure occurs exception first,
And tire pressure or warning message are just only sent when tire pressure occurs abnormal, data transmission frequency is reduced,
And then reduce power consumption；Simultaneously because LTE-M modules have the characteristics of low-power consumption, high delay, using LTE-M
Module sends tire pressure or warning message, power consumption when sending tire pressure is reduce further, it is achieved thereby that low work(
Tire pressure monitoring under consumption, has saved resource, it is to avoid vehicle accumulator loses the harmful effect a little caused.
Further, when the tire pressure of the vehicle does not occur abnormal, the LTE-M modules are closed.
Optionally, when the tire pressure of vehicle does not occur abnormal, LTE-M modules, i.e. host computer control can be closed
Power supply stops to the module for power supply so that LTE-M modules are in park mode, further save electric energy；When
When the tire pressure of vehicle occurs abnormal, host computer control power supply wakes up LTE-M modules to the module for power supply so that
LTE-M module access networks, and send data to client.
Optionally, when sending the tire pressure and/or warning message to client using the LTE-M modules,
The LTE-M modules can be used to send the tire pressure and/or the warning message to Cloud Server, so as to
The tire pressure and/or the warning message are sent to the client in the Cloud Server.
Example, tire pressure and/or warning message can be sent to by main frame using the LTE-M modules first
Cloud Server, is then transmitted to client by Cloud Server, in order to which the information that Cloud Server obtains vehicle is used
In big data analysis.
The embodiments of the invention provide a kind of tire pressure monitoring method, applied to main frame, the main frame is provided with length
Phase evolution Internet of Things LTE-M modules, methods described includes：Obtain the tire pressure of vehicle tyre；Determine the car
Tire pressure whether there is exception；When the tire pressure of the vehicle occurs abnormal, using the LTE-M modules
The tire pressure and/or warning message are sent to client.Compared to prior art, put out if vehicle motor is in
Fiery state, can determine whether tire pressure exception occurs first, and only when tire pressure occurs abnormal
Tire pressure or warning message are sent, data transmission frequency is reduced, and then reduce power consumption；Simultaneously because LTE-M
Module has the characteristics of low-power consumption, high delay, sends tire pressure or warning message using LTE-M modules, enters one
Step reduces power consumption when sending tire pressure, it is achieved thereby that the tire pressure monitoring under low-power consumption, has saved resource,
Avoid vehicle accumulator and lose the harmful effect a little caused.
Embodiment three
The embodiment of the present invention provides a kind of tire pressure monitoring method, applied to Cloud Server, as shown in figure 4, bag
Include：
The tire pressure for the Current vehicle that step 401, Receiving Host are sent.
Optionally, when vehicle tyre pressure occurs abnormal, main frame can be sent out using LTE-M modules to Cloud Server
Send tire pressure.
Step 402, the vehicle information and tire information for receiving the Current vehicle that client is sent.
Example, because the normal tire pressure of different types of vehicle needs is different.Different types of tire requirement
Normal tire pressure it is also different.Therefore the vehicle information and tire information of vehicle can be obtained by working as client, and will
The vehicle information and tire information are sent to Cloud Server.Cloud Server can obtain the different cars that producer provides
The normal range (NR) of the vehicle tyre pressure of type, and the tire pressure of different kinds of tyre normal range (NR).Work as cloud server
After the vehicle information and tire information that are sent to client, it may be determined that go out corresponding to the vehicle information and wheel
The normal tire pressure scope of tire information.
Step 403, vehicle information and tire information according to the Current vehicle, determine the Current vehicle
Tire pressure whether there is exception.
Example, Cloud Server is got after the normal tire pressure scope of the vehicle information and tire information, can
With determine main frame send tire pressure whether in the range of normal tire pressure, when the tire pressure be in the vehicle it is corresponding just
When in the range of normal tire pressure, illustrate that tire pressure does not occur exception；When the tire pressure exceedes the corresponding normal tire pressure of the vehicle
During scope, illustrate that tire pressure occurs abnormal.
Step 404, when the tire pressure of the Current vehicle occurs abnormal, send the tire to the client
Pressure and/or warning message.
Example, when tire pressure normal tire pressure scope corresponding more than the vehicle, illustrate that tire pressure occurs abnormal,
Need to send tire pressure and/or warning message to client, in order to which user is handled in time, it is to avoid bigger
Potential safety hazard.
So, due to that can combine the vehicle information and tire information of vehicle, determining the tire pressure of vehicle is
It is no normal, improve the accuracy of tire pressure detection, it is to avoid the erroneous judgement of abnormal tyre pressure occur.
Further, Cloud Server can also receive the tire pressure of the corresponding vehicle of multiple client transmission, traveling
Speed and total kilometrage information, the tire pressure of the corresponding vehicle sent according to the multiple client received, traveling speed
Degree and total kilometrage information, the corresponding relation of acquisition speed, mileage and tire pressure, then according to the speed, inner
The corresponding relation of journey and tire pressure, determines whether the tire pressure of the Current vehicle exception occurs, and described current
When the tire pressure of vehicle occurs abnormal, the tire pressure is sent and/or described to the corresponding client of the Current vehicle
Warning message.
Example, in practical application, Cloud Server can be connected with multiple client simultaneously, each client
All there is corresponding vehicle, thus each client can obtain the tire pressure of correspondence vehicle, travel speed and
Total kilometrage information, so Cloud Server can get different road surfaces, diverse location, different vehicle is different
Travel speed, and the corresponding multiple tire pressures of different total kilometrage information, now Cloud Server can be according to acquisition
The information arrived carries out statistics and big data analysis, the corresponding relation of acquisition speed, mileage and tire pressure, the correspondence
Relation has reacted different travel speeds, the corresponding relation between different total kilometrage information and different tire pressures.
So, can be first from above-mentioned right when Cloud Server gets the tire pressure of the vehicle of client transmission
The parameters such as the middle position current according to the vehicle, travel speed, and total kilometrage information, acquisition pair should be related to
The reference tire pressure answered, it is then determined that the deviation between tire pressure and reference tire pressure that client is sent, if described inclined
Difference is larger, illustrates that the tire pressure of vehicle occurs abnormal, it is necessary to send tire pressure and/or warning message to client；If
The deviation is smaller, illustrates that the tire pressure of vehicle does not occur exception.
The embodiment of the present invention provides a kind of tire pressure monitoring method, applied to Cloud Server, including：Receiving Host
The tire pressure of the Current vehicle of transmission；Receive the vehicle information and tire letter for the Current vehicle that client is sent
Breath；According to the vehicle information and tire information of the Current vehicle, determine the Current vehicle tire pressure whether
Occur abnormal；When the tire pressure of the Current vehicle occurs abnormal, to the client send the tire pressure and/
Or warning message.Compared to prior art, due to the vehicle information and tire information of vehicle can be combined, really
Whether the tire pressure for determining vehicle is normal, improves the accuracy of tire pressure detection, it is to avoid the erroneous judgement of abnormal tyre pressure occur.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can using hardware embodiment, software implementation or combine software and
The form of the embodiment of hardware aspect.Moreover, the present invention can be used wherein includes calculating one or more
The computer-usable storage medium of machine usable program code (includes but is not limited to magnetic disk storage and optical storage
Device etc.) on the form of computer program product implemented.
The present invention is with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Flow chart and/or block diagram describe.It should be understood that can be by computer program instructions implementation process figure and/or side
Each flow and/or square frame in block diagram and flow and/or the knot of square frame in flow chart and/or block diagram
Close.Can provide these computer program instructions to all-purpose computer, special-purpose computer, Embedded Processor or
The processor of other programmable data processing devices is to produce a machine so that by computer or other can
The instruction of the computing device of programming data processing equipment is produced for realizing in one flow or multiple of flow chart
The device for the function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices
In the computer-readable memory worked in a specific way so that be stored in the computer-readable memory
Instruction, which is produced, includes the manufacture of command device, and the command device is realized in one flow of flow chart or multiple streams
The function of being specified in one square frame of journey and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made
Obtain and perform series of operation steps on computer or other programmable devices to produce computer implemented place
Reason, so that the instruction performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of being specified in flow or multiple flows and/or one square frame of block diagram or multiple square frames.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the protection model of the present invention
Enclose.
Claims (14)
1. a kind of tire pressure monitoring system, it is characterised in that including：Tyre pressure sensor, is sensed with the tire pressure
The main frame of device connection, and the client with the main frame wireless connection；The main frame is provided with Long Term Evolution
Internet of Things LTE-M modules；
The tyre pressure sensor is used for the tire pressure for detecting vehicle tyre, and the tire pressure is sent into the main frame；
The main frame is used to determine whether the tire pressure of the vehicle exception occurs；When the tire pressure of the vehicle occurs
When abnormal, the tire pressure and/or warning message are sent to the client using the LTE-M modules.
2. system according to claim 1, it is characterised in that the main frame is additionally operable to work as the vehicle
Tire pressure when not occurring abnormal, close the LTE-M modules.
3. system according to claim 2, it is characterised in that the main frame is default specifically for obtaining
The knots modification of tire pressure in period, judges whether the knots modification is more than or equal to default threshold pressure differential；When
When the knots modification is more than or equal to the threshold pressure differential, determine that exception occurs in the tire pressure of the vehicle；Work as institute
When stating knots modification less than the threshold pressure differential, determine that the tire pressure of the vehicle does not occur exception.
4. the system according to claims 1 to 3 any one claim, it is characterised in that described
Main frame is additionally provided with power supply；
The main frame is additionally operable to determine whether vehicle motor is in flameout state, at the vehicle motor
When flameout state, the power supply is used for the host supplying power.
5. the system according to claims 1 to 3 any one claim, it is characterised in that
The client is used to send host identification and checking password to the main frame；
The main frame is additionally operable to, according to the host identification and the checking password, whether determine the client
Pass through checking；When the client is by checking, and the tire pressure of the vehicle is when occurring abnormal, using described
LTE-M modules send the tire pressure and/or warning message to the client.
6. the system according to claims 1 to 3 any one claim, it is characterised in that described
System also includes Cloud Server, and the main frame is connected by the Cloud Server with the client wireless；
The main frame be additionally operable to using the LTE-M modules to the Cloud Server send the tire pressure and/or
The warning message；
The Cloud Server is used to the tire pressure and/or the warning message being sent to the client.
7. system according to claim 6, it is characterised in that
The client is additionally operable to send the vehicle information and tire information of the vehicle to the Cloud Server；
The Cloud Server is additionally operable to, according to the vehicle information and the tire information, determine the vehicle
Whether tire pressure there is exception；When the tire pressure of the vehicle occurs abnormal, the tire is sent to the client
Pressure and/or the warning message.
8. the system according to claim 6 or 7, it is characterised in that
The client is additionally operable to obtain tire pressure, travel speed and the total kilometrage information of Current vehicle, and by institute
Tire pressure, travel speed and the total kilometrage information for stating Current vehicle are sent to the Cloud Server；
The Cloud Server be additionally operable to receive the tire pressure of corresponding vehicle that multiple client sends, travel speed and
Total kilometrage information, the tire pressure of the corresponding vehicle sent according to the multiple client that receives, travel speed and always
Mileage information, the corresponding relation of acquisition speed, mileage and tire pressure；According to the speed, mileage and tire pressure
Corresponding relation, determines whether the tire pressure of the Current vehicle exception occurs；When the tire pressure of the Current vehicle goes out
When now abnormal, the tire pressure and/or warning message are sent to the corresponding client of the Current vehicle.
9. a kind of tire pressure monitoring method, it is characterised in that applied to main frame, the main frame is provided with drills for a long time
Enter Internet of Things LTE-M modules, methods described includes：
Obtain the tire pressure of vehicle tyre；
Determine whether the tire pressure of the vehicle exception occurs；
When the tire pressure of the vehicle occurs abnormal, the tire is sent to client using the LTE-M modules
Pressure and/or warning message.
10. method according to claim 9, it is characterised in that in the tire for determining the vehicle
Whether pressure occurs after exception, and methods described also includes：
When the tire pressure of the vehicle does not occur abnormal, the LTE-M modules are closed.
11. method according to claim 10, it is characterised in that the tire pressure of the determination vehicle
Whether abnormal include is occurred：
Obtain the knots modification of tire pressure in preset time period；
Judge whether the knots modification is more than or equal to default threshold pressure differential；
When the knots modification is more than or equal to the threshold pressure differential, determine that exception occurs in the tire pressure of the vehicle；
When the knots modification is less than the threshold pressure differential, determine that the tire pressure of the vehicle does not occur exception.
12. the method according to claim 9-11 any one claims, it is characterised in that described
Sending the tire pressure and/or warning message to client using the LTE-M modules includes：
The tire pressure and/or the warning message are sent to Cloud Server using the LTE-M modules, so as to
The tire pressure and/or the warning message are sent to the client in the Cloud Server.
13. a kind of tire pressure monitoring method, it is characterised in that applied to Cloud Server, including：
The tire pressure for the Current vehicle that Receiving Host is sent；
Receive the vehicle information and tire information for the Current vehicle that client is sent；
According to the vehicle information and tire information of the Current vehicle, determine the Current vehicle tire pressure whether
Occur abnormal；
When the tire pressure of the Current vehicle occurs abnormal, the tire pressure and/or alarm are sent to the client
Information.
14. method according to claim 13, it is characterised in that methods described also includes：
Receive tire pressure, travel speed and the total kilometrage information for the corresponding vehicle that multiple client is sent；
Tire pressure, travel speed and the total kilometrage information of the corresponding vehicle sent according to the multiple client received,
The corresponding relation of acquisition speed, mileage and tire pressure；
According to the corresponding relation of the speed, mileage and tire pressure, determine whether the tire pressure of the Current vehicle goes out
It is now abnormal；
When the tire pressure of the Current vehicle occurs abnormal, institute is sent to the corresponding client of the Current vehicle
State tire pressure and/or the warning message.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257618.5A CN107303785A (en) | 2016-04-22 | 2016-04-22 | A kind of tire pressure monitoring system and method |
| PCT/CN2016/102376 WO2017181629A1 (en) | 2016-04-22 | 2016-10-18 | Tire pressure monitoring system and methods, and computer storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257618.5A CN107303785A (en) | 2016-04-22 | 2016-04-22 | A kind of tire pressure monitoring system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107303785A true CN107303785A (en) | 2017-10-31 |
Family
ID=60115593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610257618.5A Withdrawn CN107303785A (en) | 2016-04-22 | 2016-04-22 | A kind of tire pressure monitoring system and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107303785A (en) |
| WO (1) | WO2017181629A1 (en) |
Cited By (4)
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| CN109927493A (en) * | 2017-12-15 | 2019-06-25 | 蔚来汽车有限公司 | Monitor the device and method of vehicle tyre pressure state |
| CN110545322A (en) * | 2019-08-30 | 2019-12-06 | 上海能塔智能科技有限公司 | Internet of vehicles system and processing method and device of tire pressure information thereof |
| CN110825917A (en) * | 2019-11-04 | 2020-02-21 | 广州亚美信息科技有限公司 | Vehicle tire pressure abnormity identification method and device and data analysis equipment |
| CN114648414A (en) * | 2022-05-20 | 2022-06-21 | 深圳联友科技有限公司 | Automobile tire insurance risk evaluation and control method and system |
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| DE102017222122A1 (en) * | 2017-12-07 | 2019-06-13 | Continental Reifen Deutschland Gmbh | Method for transmitting data of a tire module to a central data server |
| CN109359746A (en) * | 2018-09-13 | 2019-02-19 | 湖北谊立舜达动力科技有限公司 | A kind of diesel engine monitoring running state device based on Internet of Things and cloud computing technology |
| CN114739350B (en) * | 2022-04-12 | 2023-09-26 | 招商局公路信息技术（重庆）有限公司 | Method and system for calibrating road surface dynamic tire pressure detector based on modal excitation |
| CN114953861A (en) * | 2022-06-06 | 2022-08-30 | 深圳市智驾实业有限公司 | Tire pressure monitoring system of vehicle |
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| Publication number | Publication date |
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| WO2017181629A1 (en) | 2017-10-26 |
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Application publication date: 20171031 |