CN113306347A - Tire pressure monitoring method and system - Google Patents
Tire pressure monitoring method and system Download PDFInfo
- Publication number
- CN113306347A CN113306347A CN202110757262.2A CN202110757262A CN113306347A CN 113306347 A CN113306347 A CN 113306347A CN 202110757262 A CN202110757262 A CN 202110757262A CN 113306347 A CN113306347 A CN 113306347A
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- tire pressure
- speed signal
- pressure information
- display instruction
- wheel speed
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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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
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/28—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/16—Type of output information
- B60K2360/167—Vehicle dynamics information
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The embodiment of the invention provides a method and a system for monitoring tire pressure. The method comprises the following steps: the tire pressure controller compares a first wheel speed signal corresponding to the acquired first tire pressure information with an acquired second wheel speed signal; generating second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering parameter compensation of a steering wheel; the tire pressure controller sends a first display instruction and a second display instruction to the instrument, wherein the first display instruction comprises first tire pressure information, and the second display instruction comprises second tire pressure information; the instrument responds to the first display instruction and the second display instruction and displays the first tire pressure information and the second tire pressure information. In the embodiment of the invention, the tire pressure controller can calculate the tire pressure information of the tire without the tire pressure sensor through steering compensation of the steering wheel, so that the tire pressure monitoring accuracy is improved, and the tire pressure monitoring cost is reduced.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of vehicles, in particular to a tire pressure monitoring method and system.
[ background of the invention ]
The tire pressure monitoring method is generally divided into two modes, one mode is an indirect monitoring method, the indirect monitoring method does not need to install a tire pressure sensor, whether the tire is under-voltage or over-voltage is judged by comparing wheel speed sensors of all wheels, the tire pressure value cannot be displayed in real time, and the accuracy of monitoring the tire pressure is low. The other method is a direct monitoring method, which needs to install tire pressure sensors in 4 tires respectively to monitor the air pressure of the tires in real time, and has certain influence on the dynamic balance of the tires, so that the cost for monitoring the tire pressure is higher.
[ summary of the invention ]
In view of this, embodiments of the present invention provide a method and a system for monitoring a tire pressure, so as to reduce the cost of monitoring the tire pressure while improving the accuracy of monitoring the tire pressure.
In one aspect, an embodiment of the present invention provides a tire pressure monitoring method, including:
the tire pressure controller compares a first wheel speed signal corresponding to the acquired first tire pressure information with an acquired second wheel speed signal;
the tire pressure controller generates second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering wheel steering parameter compensation;
the tire pressure controller sends a first display instruction and a second display instruction to an instrument, wherein the first display instruction comprises the first tire pressure information, and the second display instruction comprises the second tire pressure information;
the meter responds to the first display instruction and the second display instruction and displays the first tire pressure information and the second tire pressure information.
Optionally, before comparing the first wheel speed signal corresponding to the acquired first tire pressure information with the acquired second wheel speed signal, the tire pressure controller includes:
the first tire pressure sensor sends first tire pressure information to the tire pressure controller;
the anti-lock braking system control unit sends a first wheel speed signal and a second wheel speed signal to the tire pressure controller.
Optionally, the displaying, by the gauge in response to the first display instruction and the second display instruction, the first tire pressure information and the second tire pressure information may include:
the tire pressure controller compares a third wheel speed signal corresponding to the obtained third tire pressure information with the obtained fourth wheel speed signal;
the tire pressure controller generates fourth tire pressure information according to the third tire pressure information, the third speed signal and the fourth speed signal through steering wheel steering parameter compensation;
the tire pressure controller sends a third display instruction and a fourth display instruction to an instrument, wherein the third display instruction comprises the third tire pressure information, and the fourth display instruction comprises the fourth tire pressure information;
the meter displays the third tire pressure information and the fourth tire pressure information in response to the third display instruction and the fourth display instruction.
Optionally, before comparing the third speed signal corresponding to the obtained third tire pressure information with the obtained fourth speed signal, the tire pressure controller includes:
the second tire pressure sensor sends third tire pressure information to the tire pressure controller;
and the brake anti-lock system control unit sends the third wheel speed signal and the fourth wheel speed signal to the tire pressure controller.
In another aspect, an embodiment of the present invention provides a tire pressure monitoring system, including: tire pressure controllers and gauges;
the tire pressure controller is used for comparing a first wheel speed signal corresponding to the acquired first tire pressure information with an acquired second wheel speed signal; generating second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering wheel steering parameter compensation; sending a first display instruction and a second display instruction to the instrument, wherein the first display instruction comprises the first tire pressure information, and the second display instruction comprises the second tire pressure information;
the meter is used for responding to the first display instruction and the second display instruction and displaying the first tire pressure information and the second tire pressure information.
Optionally, comprising: a first tire pressure sensor and a brake anti-lock system control unit;
the first tire pressure sensor is used for sending first tire pressure information to the tire pressure controller;
and the anti-lock braking system control unit is used for sending a first wheel speed signal and a second wheel speed signal to the tire pressure controller.
Optionally, comprising:
the tire pressure controller is also used for comparing a third speed signal corresponding to the obtained third tire pressure information with the obtained fourth speed signal; generating fourth tire pressure information according to the third tire pressure information, the third wheel speed signal and the fourth wheel speed signal through steering wheel steering parameter compensation; sending a third display instruction and a fourth display instruction to an instrument, wherein the third display instruction comprises the third tire pressure information, and the fourth display instruction comprises the fourth tire pressure information;
the meter is further configured to respond to the third display instruction and the fourth display instruction and display the third tire pressure information and the fourth tire pressure information.
Optionally, the method further comprises: a second tire pressure sensor;
the second tire pressure sensor is used for sending third tire pressure information to the tire pressure controller;
and the brake anti-lock system control unit is also used for sending a third wheel speed signal and a fourth wheel speed signal to the tire pressure controller.
In the technical scheme of the tire pressure monitoring method provided by the embodiment of the invention, a tire pressure controller compares a first wheel speed signal corresponding to acquired first tire pressure information with an acquired second wheel speed signal; generating second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering parameter compensation of a steering wheel; the tire pressure controller sends a first display instruction and a second display instruction to the instrument, wherein the first display instruction comprises first tire pressure information, and the second display instruction comprises second tire pressure information; the instrument responds to the first display instruction and the second display instruction and displays the first tire pressure information and the second tire pressure information. In the embodiment of the invention, the tire pressure controller can calculate the tire pressure information of the tire without the tire pressure sensor through steering compensation of the steering wheel, so that the tire pressure monitoring accuracy is improved, and the tire pressure monitoring cost is reduced.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a tire pressure monitoring system according to an embodiment of the present invention;
fig. 2 is a flowchart of a tire pressure monitoring method according to an embodiment of the present invention;
fig. 3 is a flowchart of another tire pressure monitoring method according to an embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., A and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the embodiment of the invention, an indirect monitoring method and a direct monitoring method in the related technology are combined, 4 tire pressure sensors required by the original vehicle loading are reduced to only 1, 2 or 3 selected tire pressure sensors to be installed on the vehicle loading, so that the cost of the whole vehicle is reduced, and the other 3, 2 or 1 corresponding tires are not provided with the tire pressure sensors, but are compared with the tires provided with the tire pressure sensors by using the indirect monitoring method to accurately display the tire pressure information of the tires.
The technical scheme in the embodiment of the invention is described by taking the example that a tire pressure sensor is respectively arranged on the front wheel and the rear wheel of a vehicle.
An embodiment of the present invention provides a tire pressure monitoring system, and fig. 1 is a schematic structural diagram of the tire pressure monitoring system provided in the embodiment of the present invention, and as shown in fig. 1, the system includes: tire pressure controller 1 and instrument 2, tire pressure controller 1 is connected with instrument 2.
The tire pressure controller 1 is used for comparing a first wheel speed signal corresponding to the acquired first tire pressure information with an acquired second wheel speed signal; generating second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering wheel steering parameter compensation; and sending a first display instruction and a second display instruction to the instrument, wherein the first display instruction comprises the first tire pressure information, and the second display instruction comprises the second tire pressure information.
The meter 2 is used for responding to the first display instruction and the second display instruction and displaying the first tire pressure information and the second tire pressure information.
In the embodiment of the present invention, the system further includes: the tire pressure monitoring System comprises a first tire pressure sensor 3 and an anti-lock Brake System (ABS for short) control unit 4, wherein the first tire pressure sensor 3 is connected with the tire pressure controller 1, and the anti-lock Brake System control unit 4 is connected with the tire pressure controller 1. Wherein, the first tire pressure sensor 3 is electrically connected with the tire pressure controller 1 by radio.
The first tire pressure sensor 3 is configured to transmit first tire pressure information to the tire pressure controller 1.
The anti-lock brake system control unit 4 is configured to transmit the first wheel speed signal and the second wheel speed signal to the tire pressure controller 1.
In the embodiment of the present invention, the first tire pressure sensor 3 transmits the first tire pressure information to the tire pressure controller 1 by wireless electromagnetic waves.
In the embodiment of the present invention, the first tire pressure sensor 3 is provided to the left front wheel of the vehicle.
In the embodiment of the present invention, the tire pressure controller 1 is further configured to compare a third wheel speed signal corresponding to the obtained third tire pressure information with the obtained fourth wheel speed signal; generating fourth tire pressure information according to the third tire pressure information, the third wheel speed signal and the fourth wheel speed signal through steering wheel steering parameter compensation; and sending a third display instruction and a fourth display instruction to an instrument, wherein the third display instruction comprises the third tire pressure information, and the fourth display instruction comprises the fourth tire pressure information.
The meter 2 is further configured to display the third tire pressure information and the fourth tire pressure information in response to the third display instruction and the fourth display instruction.
In the embodiment of the present invention, the system further includes: and a second tire pressure sensor 5, the second tire pressure sensor 5 being connected to the tire pressure controller 1.
The second tire pressure sensor 5 is configured to transmit third tire pressure information to the tire pressure controller 1.
The brake anti-lock system control unit 4 is configured to transmit the third wheel speed signal and the fourth wheel speed signal to the tire pressure controller 1.
In the embodiment of the present invention, the second tire pressure sensor 5 transmits the second tire pressure information to the tire pressure controller 1 by wireless electromagnetic waves.
In the embodiment of the invention, the second tire pressure sensor 5 is provided at the left rear wheel of the vehicle.
In the technical scheme provided by the embodiment of the invention, a tire pressure controller compares a first wheel speed signal corresponding to acquired first tire pressure information with an acquired second wheel speed signal; generating second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering parameter compensation of a steering wheel; the tire pressure controller sends a first display instruction and a second display instruction to the instrument, wherein the first display instruction comprises first tire pressure information, and the second display instruction comprises second tire pressure information; the instrument responds to the first display instruction and the second display instruction and displays the first tire pressure information and the second tire pressure information. In the embodiment of the invention, the tire pressure controller can calculate the tire pressure information of the tire without the tire pressure sensor through steering compensation of the steering wheel, so that the tire pressure monitoring accuracy is improved, and the tire pressure monitoring cost is reduced.
An embodiment of the present invention provides a method for monitoring tire pressure, and fig. 2 is a flowchart of the method for monitoring tire pressure provided by the embodiment of the present invention, and as shown in fig. 2, the method includes:
In the embodiment of the present invention, as an alternative, the first wheel speed signal is a wheel speed signal of a left front wheel, and the second wheel speed signal is a wheel speed signal of a right front wheel.
In the embodiment of the invention, if the tire pressure controller judges that the acquired first wheel speed signal is the same as the acquired second wheel speed signal, the tire pressure of the left front wheel is consistent with the tire pressure of the right front wheel; if the tire pressure controller judges that the acquired first wheel speed signal is different from the acquired second wheel speed signal, the tire pressure of the left front wheel is inconsistent with the tire pressure of the right front wheel.
And 104, the tire pressure controller generates second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering wheel steering parameter compensation.
For example, when the first wheel speed signal is a wheel speed signal of a left front wheel and the second wheel speed signal is a wheel speed signal of a right front wheel, the second tire pressure information can be compensated by the steering wheel steering parameter and calculated from the first tire pressure information, the first wheel speed signal and the second wheel speed signal. In the embodiment of the invention, the second tire pressure information can also be specific tire pressure data obtained through calibration.
And 106, the tire pressure controller sends a first display instruction and a second display instruction to the instrument, wherein the first display instruction comprises first tire pressure information, and the second display instruction comprises second tire pressure information.
For example, the first tire pressure information is 2.5bar, and the second tire pressure information is 2 bar.
And step 108, the instrument responds to the first display instruction and the second display instruction and displays the first tire pressure information and the second tire pressure information.
In this step, for example, the meter displays that the first tire pressure information is 2.5bar and the second tire pressure information is 2bar in response to the first display instruction and the second display instruction.
In the technical scheme provided by the embodiment of the invention, a tire pressure controller compares a first wheel speed signal corresponding to acquired first tire pressure information with an acquired second wheel speed signal; generating second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering parameter compensation of a steering wheel; the tire pressure controller sends a first display instruction and a second display instruction to the instrument, wherein the first display instruction comprises first tire pressure information, and the second display instruction comprises second tire pressure information; the instrument responds to the first display instruction and the second display instruction and displays the first tire pressure information and the second tire pressure information. In the embodiment of the invention, the tire pressure controller can calculate the tire pressure information of the tire without the tire pressure sensor through steering compensation of the steering wheel, so that the tire pressure monitoring accuracy is improved, and the tire pressure monitoring cost is reduced.
An embodiment of the present invention provides another tire pressure monitoring method, and fig. 3 is a flowchart of another tire pressure monitoring method provided in an embodiment of the present invention, and as shown in fig. 3, the method includes:
In this step, the first tire pressure sensor acquires first tire pressure information and sends the first tire pressure information to the tire pressure controller.
And step 204, the anti-lock braking system control unit sends the first wheel speed signal and the second wheel speed signal to the tire pressure controller.
In this step, the ABS control unit acquires a first wheel speed signal and a second wheel speed signal and transmits the first wheel speed signal and the second wheel speed signal to the tire pressure controller.
In the embodiment of the present invention, please refer to step 102 for a detailed description of step 206.
And 208, the tire pressure controller compensates through the steering wheel steering parameter and generates second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal.
In the embodiment of the present invention, please refer to step 104 for a detailed description of step 208.
In the embodiment of the present invention, please refer to step 106 for a detailed description of step 210.
And step 212, the instrument responds to the first display instruction and the second display instruction and displays the first tire pressure information and the second tire pressure information.
In the embodiment of the present invention, please refer to step 108 for detailed description of step 212.
In this embodiment of the present invention, step 212 further includes:
step S1, the second tire pressure sensor transmits the third tire pressure information to the tire pressure controller.
In this step, the second tire pressure sensor acquires the third tire pressure information and transmits the third tire pressure information to the tire pressure controller.
In step S2, the brake anti-lock system control unit transmits the third wheel speed signal and the fourth wheel speed signal to the tire pressure controller.
In this step, the ABS control unit obtains the third wheel speed signal and the fourth wheel speed signal, and sends the third wheel speed signal and the fourth wheel speed signal to the tire pressure controller.
Step S3, the tire pressure controller compares the third wheel speed signal corresponding to the acquired third tire pressure information with the acquired fourth wheel speed signal.
In the embodiment of the present invention, as an alternative, the third wheel speed signal is a wheel speed signal of a left rear wheel, and the fourth wheel speed signal is a wheel speed signal of a right rear wheel.
In the embodiment of the invention, if the tire pressure controller judges that the obtained third wheel speed signal is the same as the obtained fourth wheel speed signal, the tire pressure of the left rear wheel is consistent with the tire pressure of the right rear wheel; and if the tire pressure controller judges that the acquired third wheel speed signal is different from the acquired fourth wheel speed signal, the tire pressure of the left rear wheel is inconsistent with the tire pressure of the right rear wheel.
And step S4, the tire pressure controller compensates through the steering wheel steering parameter and generates fourth tire pressure information according to the third tire pressure information, the third wheel speed signal and the fourth wheel speed signal.
For example, when the third wheel speed signal is a wheel speed signal of a left rear wheel and the fourth wheel speed signal is a wheel speed signal of a right rear wheel, the tire pressure controller can compensate and generate the fourth tire pressure information from the third tire pressure information, the third wheel speed signal and the fourth wheel speed signal by the steering wheel steering parameter. The fourth tire pressure information can also be specific tire pressure data obtained through calibration.
And step S5, the tire pressure controller sends a third display instruction and a fourth display instruction to the instrument, wherein the third display instruction comprises third tire pressure information, and the fourth display instruction comprises fourth tire pressure information.
For example, the third tire pressure information is 2.4bar, and the fourth tire pressure information is 2.6 bar.
And step S6, the meter responds to the third display instruction and the fourth display instruction and displays the third tire pressure information and the fourth tire pressure information.
In this step, for example, the meter displays, in response to the third display instruction and the fourth display instruction, that the third tire pressure information is 2.4bar and the fourth tire pressure information is 2.6 bar.
In the technical scheme provided by the embodiment of the invention, a tire pressure controller compares a first wheel speed signal corresponding to acquired first tire pressure information with an acquired second wheel speed signal; generating second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering parameter compensation of a steering wheel; the tire pressure controller sends a first display instruction and a second display instruction to the instrument, wherein the first display instruction comprises first tire pressure information, and the second display instruction comprises second tire pressure information; the instrument responds to the first display instruction and the second display instruction and displays the first tire pressure information and the second tire pressure information. In the embodiment of the invention, the tire pressure controller can calculate the tire pressure information of the tire without the tire pressure sensor through steering compensation of the steering wheel, so that the tire pressure monitoring accuracy is improved, and the tire pressure monitoring cost is reduced.
In the technical scheme provided by the embodiment of the invention, the whole vehicle is only provided with the tire pressure sensors on 1 or 2 or 3 tires, the tire pressure sensors are not arranged corresponding to the other 3 or 2 or 1 tires, and the data comparison is carried out between the tire pressure sensors and the tires provided with the tire pressure sensors, so that the tire pressure of the tire can be accurately monitored in real time, the accuracy and timeliness of the tires provided with no tire pressure sensors are improved, and the cost of the whole vehicle is effectively reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A tire pressure monitoring method, comprising:
the tire pressure controller compares a first wheel speed signal corresponding to the acquired first tire pressure information with an acquired second wheel speed signal;
the tire pressure controller generates second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering wheel steering parameter compensation;
the tire pressure controller sends a first display instruction and a second display instruction to an instrument, wherein the first display instruction comprises the first tire pressure information, and the second display instruction comprises the second tire pressure information;
the meter responds to the first display instruction and the second display instruction and displays the first tire pressure information and the second tire pressure information.
2. The method of claim 1, wherein the tire pressure controller comprises, prior to comparing the first wheel speed signal corresponding to the obtained first tire pressure information with the obtained second wheel speed signal:
the first tire pressure sensor sends first tire pressure information to the tire pressure controller;
the anti-lock braking system control unit sends a first wheel speed signal and a second wheel speed signal to the tire pressure controller.
3. The method of claim 1, wherein the meter, in response to the first display instruction and the second display instruction, prior to displaying the first tire pressure information and the second tire pressure information comprises:
the tire pressure controller compares a third wheel speed signal corresponding to the obtained third tire pressure information with the obtained fourth wheel speed signal;
the tire pressure controller generates fourth tire pressure information according to the third tire pressure information, the third speed signal and the fourth speed signal through steering wheel steering parameter compensation;
the tire pressure controller sends a third display instruction and a fourth display instruction to an instrument, wherein the third display instruction comprises the third tire pressure information, and the fourth display instruction comprises the fourth tire pressure information;
the meter displays the third tire pressure information and the fourth tire pressure information in response to the third display instruction and the fourth display instruction.
4. The method of claim 3, wherein the tire pressure controller comprises, before comparing the third wheel speed signal corresponding to the obtained third tire pressure information with the obtained fourth wheel speed signal:
the second tire pressure sensor sends third tire pressure information to the tire pressure controller;
and the brake anti-lock system control unit sends the third wheel speed signal and the fourth wheel speed signal to the tire pressure controller.
5. A tire pressure monitoring system, comprising: tire pressure controllers and gauges;
the tire pressure controller is used for comparing a first wheel speed signal corresponding to the acquired first tire pressure information with an acquired second wheel speed signal; generating second tire pressure information according to the first tire pressure information, the first wheel speed signal and the second wheel speed signal through steering wheel steering parameter compensation; sending a first display instruction and a second display instruction to the instrument, wherein the first display instruction comprises the first tire pressure information, and the second display instruction comprises the second tire pressure information;
the meter is used for responding to the first display instruction and the second display instruction and displaying the first tire pressure information and the second tire pressure information.
6. The system of claim 5, comprising: a first tire pressure sensor and a brake anti-lock system control unit;
the first tire pressure sensor is used for sending first tire pressure information to the tire pressure controller;
and the anti-lock braking system control unit is used for sending a first wheel speed signal and a second wheel speed signal to the tire pressure controller.
7. The system of claim 5, comprising:
the tire pressure controller is also used for comparing a third speed signal corresponding to the obtained third tire pressure information with the obtained fourth speed signal; generating fourth tire pressure information according to the third tire pressure information, the third wheel speed signal and the fourth wheel speed signal through steering wheel steering parameter compensation; sending a third display instruction and a fourth display instruction to an instrument, wherein the third display instruction comprises the third tire pressure information, and the fourth display instruction comprises the fourth tire pressure information;
the meter is further configured to respond to the third display instruction and the fourth display instruction and display the third tire pressure information and the fourth tire pressure information.
8. The system of claim 7, further comprising: a second tire pressure sensor;
the second tire pressure sensor is used for sending third tire pressure information to the tire pressure controller;
and the brake anti-lock system control unit is also used for sending a third wheel speed signal and a fourth wheel speed signal to the tire pressure controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110757262.2A CN113306347A (en) | 2021-07-05 | 2021-07-05 | Tire pressure monitoring method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110757262.2A CN113306347A (en) | 2021-07-05 | 2021-07-05 | Tire pressure monitoring method and system |
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| CN113306347A true CN113306347A (en) | 2021-08-27 |
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| CN202110757262.2A Pending CN113306347A (en) | 2021-07-05 | 2021-07-05 | Tire pressure monitoring method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115848073A (en) * | 2021-09-23 | 2023-03-28 | 比亚迪股份有限公司 | Tire pressure monitoring method and device, electronic equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| EP3153374A1 (en) * | 2015-10-09 | 2017-04-12 | The Goodyear Tire & Rubber Company | Method for estimating tire forces from can-bus accessible sensor inputs |
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| CN115848073A (en) * | 2021-09-23 | 2023-03-28 | 比亚迪股份有限公司 | Tire pressure monitoring method and device, electronic equipment and storage medium |
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