WO2020103886A1 - Procédé et système d'alarme radar à balayage latéral et de pression de pneu - Google Patents

Procédé et système d'alarme radar à balayage latéral et de pression de pneu

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Publication number
WO2020103886A1
WO2020103886A1 PCT/CN2019/119805 CN2019119805W WO2020103886A1 WO 2020103886 A1 WO2020103886 A1 WO 2020103886A1 CN 2019119805 W CN2019119805 W CN 2019119805W WO 2020103886 A1 WO2020103886 A1 WO 2020103886A1
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WO
WIPO (PCT)
Prior art keywords
tire pressure
module
tire
signal
vehicle
Prior art date
Application number
PCT/CN2019/119805
Other languages
English (en)
Chinese (zh)
Inventor
尤山泉
沈燕霞
林东峰
高钦俊
范佳亿
董环
Original Assignee
上海为彪汽配制造有限公司
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Filing date
Publication date
Application filed by 上海为彪汽配制造有限公司 filed Critical 上海为彪汽配制造有限公司
Publication of WO2020103886A1 publication Critical patent/WO2020103886A1/fr

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0401—Signalling devices actuated by tyre pressure mounted on the wheel or tyre characterised by the type of alarm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433—Radio signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • 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

Definitions

  • the invention relates to the field of automobiles, in particular to a method and system for reminding tire pressure and side-view radar.
  • tire pressure monitoring to monitor tire pressure.
  • the existing tire pressure monitoring is usually divided into two types, direct and indirect.
  • the direct tire pressure monitor is more accurate, the service life is shorter, and the installation process is more complicated, which is not conducive to the tire pressure monitor.
  • the indirect tire pressure monitor calculates the tire pressure of the tire from the rotation speed of each tire. The service life is long, but the accuracy is low, it is easy to cause false alarms, and it is difficult to know the exact position of the faulty tire. Not conducive to accurate monitoring of tire pressure.
  • the purpose of the present invention is to provide a method and system for reminding tire tire pressure and side-view radar, which realizes the function of monitoring the tire pressure of the tire, ensures that the tire pressure of the tire is within a normal range, and the monitoring result is relatively accurate.
  • a reminder method for tire pressure and side-view radar includes: when the side-view radar module detects a vehicle coming from the side of the vehicle, the side-view radar module sends a corresponding arrival signal to the reminder module according to the position of the side-coming vehicle, and Send a first control signal to the tire pressure monitoring module; when the reminder module receives the vehicle arrival signal, the reminder module performs a reminder according to the received vehicle arrival signal; when the tire pressure monitoring module receives When controlling the signal, the tire pressure monitoring module monitors the tire pressure and sends a corresponding tire pressure signal to the reminder module according to the monitoring result; the reminder module reminds according to the received tire pressure signal.
  • the side-view radar module sends a corresponding arrival signal to the reminder module according to the position of the vehicle coming from the side, and sends the first control signal to the tire pressure monitoring module.
  • the side-view radar module detects that the vehicle is coming from the side, The side-view radar module sends a corresponding arrival signal to the reminder module according to the position of the side-coming car; the side-view radar module analyzes the maintenance time of the side-coming car; when the side-view radar module analyzes the maintenance time of the side-coming car When it is greater than the preset maintenance time, the side-view radar module sends a first control signal to the tire pressure monitoring module.
  • the reminder module reminding according to the received vehicle arrival signal specifically includes: when the reminder module receives the arrival vehicle signal, the reminder module The received incoming signal controls the corresponding side-view display to light up.
  • the reminder module controls the corresponding side-view display screen to light according to the received arrival signal. Specifically, when the reminder module receives the arrival signal, the The reminding module controls the corresponding side-view display screen to flash and light according to the received vehicle arrival signal.
  • the reminder module reminding according to the received vehicle arrival signal specifically includes: when the reminder module receives the arrival vehicle signal, the reminder module controls The buzzer beeps.
  • the tire pressure monitoring module monitors the tire pressure, and sends the corresponding tire pressure signal to the reminder module according to the monitoring result.
  • the tire pressure monitoring module includes: When receiving the control signal, the tire pressure monitoring module obtains the tire pressure of each tire of the vehicle at a first preset frequency; the tire pressure monitoring module analyzes whether all tire pressures of the obtained tires are within the first preset range When all tire pressures of the tire are within the first preset range, the tire pressure monitoring module sends a normal tire pressure signal to the reminder module; when it is analyzed that there is tire pressure outside the first preset range At this time, the tire corresponding to the tire pressure outside the first preset range is used as the abnormal tire; the tire pressure monitoring module sends the abnormal tire pressure signal corresponding to the abnormal tire to the reminder module.
  • the tire pressure monitoring module sending a normal tire pressure signal to the reminder module specifically includes: when all tire pressures of the tire are within the first preset range When it is inside, the tire pressure monitoring module analyzes whether all tire pressures of each tire obtained are within the second preset range; when all tire pressures of the tires are within the second preset range, the tire pressure monitoring The module sends a normal tire pressure signal to the reminder module.
  • the method further includes: when it is analyzed that there is tire pressure outside the second preset range, it will be The tire corresponding to the tire pressure outside the second preset range is used as a worn tire; acquiring the tire pressure frequency of the tire pressure monitoring module within a preset time period and the tire pressure outside the second preset range and the The tire pressure frequency of the worn tire outside the second preset range; calculating the tire pressure ratio of the tire pressure frequency outside the second preset range to the tire pressure frequency outside the second preset range; analyzing the tire Whether the pressure ratio is greater than the preset ratio; when the tire pressure ratio is less than or equal to the preset ratio, the tire pressure monitoring module sends a normal tire pressure signal to the reminder module; when the tire pressure ratio is greater than the preset ratio When proportional, the tire pressure monitoring module sends a loss signal corresponding to the lost tire to the reminder module.
  • the method further includes: when the steering module receives the user's steering operation, the steering module sends a tire pressure to the tire The pressure monitoring module sends a second control signal.
  • One of the objects of the present invention is also to provide a reminder system for tire tire pressure and side-view radar, including: a side-view radar module, a tire-pressure monitoring module, and a reminder module; when the side-view radar module detects a vehicle coming from the side, The side-view radar module sends a corresponding vehicle arrival signal to the reminder module according to the position of the vehicle coming from the side, and sends a first control signal to the tire pressure monitoring module; when the reminder module receives the vehicle arrival signal, the reminder The module reminds according to the received vehicle arrival signal; when the tire pressure monitoring module receives the control signal, the tire pressure monitoring module monitors the tire pressure and sends the corresponding tire pressure to the reminder module according to the monitoring result Signal; the reminder module reminds according to the received tire pressure signal.
  • the present invention provides a method and system for reminding tire tire pressure and side-view radar, which has the following beneficial effects:
  • the system can analyze and know that the vehicle has the possibility of turning. Therefore, before turning, the function of monitoring the tire pressure of the tire is realized through the setting of the tire pressure monitoring module, which is used to judge the tire Whether the tire pressure is within the normal range ensures that the tire pressure is within the normal range, and the monitoring results are more accurate.
  • the steering module sends a second control signal to the tire pressure monitoring module so that the tire pressure monitoring starts to monitor the tire pressure.
  • the user can continue to observe the reminder signal of the side view coming car, and can also automatically ignore the reminder when the user reminds, reducing the impact of the side view display screen on the user, reducing the The influence of the side view display screen on the user's driving process is conducive to the user's safe driving.
  • FIG. 1 is a schematic flowchart of a method for reminding a tire pressure and a side-view radar of the present invention
  • FIG. 2 is a schematic flowchart of another method for reminding tire pressure and side-view radar of the present invention
  • step S1 is a schematic flowchart of step S1 in a method for reminding a tire pressure and a side-view radar of the present invention
  • FIG. 4 is a schematic flowchart of another method for reminding tire pressure and side-view radar of the present invention.
  • step S4 is a specific flowchart of step S4 in a method for reminding tire pressure and side-view radar of the present invention
  • step S43 is a specific flowchart of step S43 in a method for reminding a tire pressure and a side-view radar of the present invention
  • FIG. 7 is a schematic structural diagram of a reminder system for a tire pressure and a side-view radar of the present invention.
  • FIG. 8 is a schematic diagram of a specific structure of a reminder module in a reminder system for a tire pressure and a side-view radar of the present invention.
  • a method for reminding a tire pressure and a side-view radar includes:
  • the side-view radar module detects that the vehicle is coming from the side, the side-view radar module sends a corresponding arrival signal to the reminder module according to the position of the side-coming vehicle, and sends a first control signal to the tire pressure monitoring module.
  • the side-view radar module can be used to detect whether the side of the user's vehicle is coming. When the side of the vehicle comes, the side-view radar module can send a signal to the reminder module. When the user's vehicle comes from a different side, the side-view radar module Different vehicle arrival signals can be sent, and at the same time when the vehicle arrival signal is sent, a first control signal can also be sent to the tire pressure monitoring module, so that the tire pressure monitoring module monitors the tire pressure of the tire.
  • the reminder module When the reminder module receives the vehicle arrival signal, the reminder module performs a reminder according to the received vehicle arrival signal.
  • the reminder module determines which side of the vehicle has the arrival of the vehicle according to the received arrival signal. Therefore, according to the corresponding reminder method to remind, different arrival methods can correspond to different Reminder mode, so that users can know where the car is coming from, and which side of the car is coming.
  • the tire pressure monitoring module monitors the tire pressure, and sends a corresponding tire pressure signal to the reminder module according to the monitoring result.
  • the tire pressure monitoring module When the tire pressure monitoring module receives the control signal, it indicates that the user's vehicle has come around, and the vehicle may turn. During the steering process, when the tire pressure of the vehicle is too high or too low, it is easy to produce a vehicle. The possibility of failure, and then the possibility of a safety accident.
  • the tire pressure monitoring module monitors the tire pressure of the tire and sends the monitoring result to the Reminder module.
  • the reminding module reminds according to the received tire pressure signal.
  • the reminder module can display the monitoring when receiving the monitoring result sent by the tire pressure monitoring module, so that the user can know the current state of the tire pressure.
  • the system can analyze and know that the vehicle may turn. Therefore, before turning, the function of monitoring the tire pressure of the tire is realized through the setting of the tire pressure monitoring module. Judge whether the tire pressure of the tire is within the normal range, to ensure that the tire pressure of the tire is within the normal range, and the monitoring result is more accurate.
  • the user can know whether the side of the vehicle is coming, and also can obtain the tire pressure of each tire of the vehicle, so that the user can know whether the tire of the tire has an impact on the user's driving, reducing the user's driving The possibility of a safety accident occurs at a time, which increases the safety of the user while driving.
  • the method further includes:
  • the steering module When the steering module receives the user's steering operation, the steering module sends a second control signal to the tire pressure monitoring module.
  • the steering module sends a second control signal to the tire pressure monitoring module so that the tire pressure monitoring starts to monitor the tire pressure.
  • control signals that the tire pressure monitoring module is mainly used to receive include the first control signal sent by the side-view radar module and the second control signal sent by the steering module.
  • S2 specifically includes:
  • the reminder module controls the buzzer to emit a beep.
  • the side-view radar module detects that the car is coming from the side, it can alert the user through the buzzer action, which is convenient for the user to perform the steering action in time, and can also conveniently remind the user to view the reminder module.
  • the user knows the tire pressures of all tires, so that the vehicle can safely and reliably perform the steering action.
  • a method for reminding a tire pressure and a side-view radar includes:
  • the side-view radar module detects that the vehicle is coming from the side, the side-view radar module sends a corresponding arrival signal to the reminder module according to the position of the side-to-side vehicle.
  • the side-view radar module analyzes the maintenance time of the vehicle coming from the side.
  • the side-view radar module analyzes that the maintenance time of the vehicle coming from the side is greater than a preset maintenance time, the side-view radar module sends a first control signal to the tire pressure monitoring module.
  • the reminder module When the reminder module receives the vehicle arrival signal, the reminder module performs a reminder according to the received vehicle arrival signal.
  • the tire pressure monitoring module monitors the tire pressure, and sends a corresponding tire pressure signal to the reminder module according to the monitoring result.
  • the reminding module reminds according to the received tire pressure signal.
  • the side-view radar module When the side-view radar module detects that the side of the vehicle is coming or the vehicle is facing a meeting, the remaining vehicles are within the monitoring range of the side-view radar for a short period of time. Through the maintenance time monitoring, it is convenient for the side-view radar module to analyze and obtain the side Whether the incoming vehicle needs the user's vehicle to turn. When the incoming vehicle on the side of the user directly exceeds the user's vehicle, the user's vehicle does not need to change lanes. Therefore, the vehicle does not need to perform a steering action and the vehicle does not need to monitor tire pressure.
  • the side-view radar module can always detect the oncoming vehicle on the side, and the oncoming vehicle on the side can always be located on the rear side of the vehicle. Waiting for the user's steering, therefore, after the preset maintenance time, the vehicle can know that the user is about to turn, and the tire pressure monitoring module starts to monitor the tire pressure of the tire, so that the vehicle can safely perform the steering action.
  • the preset maintenance time can be selected from 5s to 20s, and can be changed according to the user's vehicle model and the user's needs.
  • a method for reminding a tire pressure and a side-view radar includes:
  • the side-view radar module detects that the vehicle is coming from the side, the side-view radar module sends a corresponding arrival signal to the reminder module according to the position of the side-coming vehicle and sends a first control signal to the tire pressure monitoring module.
  • the reminder module controls the corresponding side-view display screen to light according to the received arrival signal.
  • the tire pressure monitoring module monitors the tire pressure, and sends a corresponding tire pressure signal to the reminder module according to the monitoring result.
  • the reminding module reminds according to the received tire pressure signal.
  • the user can continue to observe the reminder signal of the side view coming car, and can also automatically ignore the reminder when the user reminds, reducing the influence of the side view display screen on the user and reducing the side view
  • the influence of the display screen on the user's driving process is conducive to the user's safe driving.
  • S21 specifically includes:
  • the reminder module controls the corresponding side-view display screen to blink and light according to the received arrival signal.
  • the side view display screen flashes to facilitate the user ’s attention when the side view display screen is in the range of the user ’s field of vision, so that the user can know the side of the vehicle is coming and turn in time .
  • a method for reminding a tire pressure and a side-view radar includes:
  • the side-view radar module detects that the vehicle is coming from the side, the side-view radar module sends a corresponding arrival signal to the reminder module according to the position of the side-coming vehicle, and sends a first control signal to the tire pressure monitoring module.
  • the reminder module When the reminder module receives the vehicle arrival signal, the reminder module performs a reminder according to the received vehicle arrival signal.
  • the tire pressure monitoring module When the tire pressure monitoring module receives a control signal, the tire pressure monitoring module acquires the tire pressure of each tire of the vehicle at a first preset frequency.
  • the tire pressure monitoring module analyzes whether all tire pressures obtained for each tire are within a first preset range.
  • the tire pressure monitoring module sends a normal tire pressure signal to the reminder module.
  • the tire pressure monitoring module sends an abnormal tire pressure signal corresponding to the abnormal tire to the reminder module.
  • the reminding module reminds according to the received tire pressure signal.
  • the tire pressure monitoring module When the tire pressure monitoring module receives the control signal, it indicates that the user is about to perform a steering action, and the vehicle starts to monitor the tire pressure of the tire.
  • the tire pressure of each tire of the vehicle is obtained at the first preset frequency.
  • the first preset frequency can be based on the user's Change it as needed. Specifically, the first preset frequency can be selected from 5s to 10s each time, and can be changed according to the needs of the user.
  • the first preset frequency in the current state is larger and much larger than the normal state of the tire pressure monitor during normal use.
  • the tire pressure monitor can obtain the tire pressure of the tire multiple times in a short time to obtain a stable and reliable Tire pressure.
  • the tire pressure monitoring module can determine whether the tire pressure of the tire is within the usable tire pressure range during driving and steering, and the first preset range is the tire pressure range that the tire can run.
  • the first preset range is 2.0bar to 2.8bar, users can change the first preset tire pressure range according to different seasons and different tire types; when the tire pressure is outside the first preset range At this time, the tire is difficult to use normally, and it is easy to cause failure, which may lead to a safety accident.
  • the setting of the first preset range it is convenient for the user to know whether there is a possibility that the tire in the current state has a failure during driving and steering, which increases the safety performance of the vehicle during driving.
  • the tire pressure monitoring module can send a corresponding number of normal tire pressure signals to the reminder module.
  • the tire pressure monitoring module detects that the tire pressure of a certain tire is outside the first preset range during driving, it means that the tire pressure in the current state is based on the limit state.
  • the tire pressure monitoring module needs to mark the tire as an abnormal tire, and send the abnormal tire pressure signal corresponding to the abnormal tire to the reminder module, so that the user can know the existence of the basis
  • the tire is in an unsafe state, which is convenient for users to improve the tire pressure of the tire as soon as possible, reducing the possibility of failure.
  • a method for reminding tire pressure and side-view radar includes:
  • the side-view radar module detects that the vehicle is coming from the side, the side-view radar module sends a corresponding arrival signal to the reminder module according to the position of the side-coming vehicle and sends the first control signal to the tire pressure monitoring module.
  • the reminder module When the reminder module receives the vehicle arrival signal, the reminder module performs a reminder according to the received vehicle arrival signal.
  • the tire pressure monitoring module When the tire pressure monitoring module receives a control signal, the tire pressure monitoring module acquires the tire pressure of each tire of the vehicle at a first preset frequency.
  • the tire pressure monitoring module analyzes whether all tire pressures obtained for each tire are within a first preset range.
  • the tire pressure monitoring module analyzes whether all tire pressures obtained for each tire are within the second preset range.
  • the tire pressure monitoring module sends a normal tire pressure signal to the reminder module.
  • S435 Calculate the ratio of the tire pressure frequency outside the second preset range to the tire pressure frequency outside the second preset range.
  • the tire pressure monitoring module sends a normal tire pressure signal to the reminder module.
  • the tire pressure monitoring module sends a loss signal corresponding to the lost tire to the reminder module.
  • the tire pressure monitoring module sends an abnormal tire pressure signal corresponding to the abnormal tire to the reminder module.
  • the reminding module reminds according to the received tire pressure signal.
  • the tire pressure monitoring module detects that the tire pressure of all tires is within the first preset range, it indicates that the vehicle can run normally, and the possibility of failure during driving is low, and it is not easy to produce safety accidents; Whether the tire pressure of the tire is within the second preset range to determine whether the current tire pressure of the user can always be stable within the safe tire pressure range.
  • the first preset range is 2.3bar to 2.6bar
  • the user can change the second preset tire pressure range according to different seasons and different tire types; probably the tire is in the second
  • the vehicle has a low probability of malfunctioning during normal driving and steering, and the user does not need to pay too much attention to the tire pressure of the tire.
  • the pressure monitoring module can obtain the tire pressure of the tire within a preset time period.
  • the preset time period mainly refers to a period of time after the tire pressure monitoring module receives the control signal, and determines the tire by analyzing the tire pressure monitored during the period of time Whether it has been worn, or the tire pressure due to the absolute error is outside the second preset range.
  • the total tire pressure frequency within the preset time period is used to calculate the tire pressure ratio between the tire pressure frequency outside the second preset range and the total tire pressure frequency, and to analyze whether the above tire pressure ratio is greater than the predetermined Set the ratio.
  • the tire pressure monitoring module can mark the worn tire and send a loss signal;
  • the tire pressure monitoring module can analyze that even if the tire pressure exceeds the second preset range, the tire is only a sudden change in tire pressure due to vibration and other external environmental factors. The tire pressure is still within the normal range, therefore, the tire pressure monitoring module can continue to send a normal tire pressure signal.
  • the reminder module can remind in different ways when receiving different tire pressure signals, so that the user can clearly know the tire pressure of the tire.
  • a reminder system for tire pressure and side-view radar includes:
  • the side-view radar module 20 When the side-view radar module 20 detects that the vehicle is coming from the side, the side-view radar module 20 sends a corresponding arrival signal to the reminder module 30 according to the position of the side-coming vehicle, and sends a first control signal to the tire pressure monitoring module 10.
  • the reminder module 30 When the reminder module 30 receives the vehicle arrival signal, the reminder module 30 performs a reminder according to the received vehicle arrival signal.
  • the tire pressure monitoring module 10 When the tire pressure monitoring module 10 receives the control signal, the tire pressure monitoring module 10 monitors the tire pressure, and sends a corresponding tire pressure signal to the reminder module 30 according to the monitoring result.
  • the reminding module 30 reminds according to the received tire pressure signal.
  • the side-view radar module 20 can be used to detect whether the side of the user's vehicle is coming. When the side of the vehicle comes, the side-view radar module 20 can send a signal to the reminder module 30. When a different side of the user's vehicle comes, the side The visual radar module 20 can send out different incoming signals, and at the same time send out the incoming signals, it can also send a first control signal to the tire pressure monitoring module 10 so that the tire pressure monitoring module 10 monitors the tire pressure of the tire.
  • the reminding module 30 judges which side of the vehicle has the arrival of the vehicle according to the received arrival signal. Therefore, according to the corresponding reminder method, the reminder can be used for different arrival methods. Different reminding methods, so that the user can know the surrounding of the vehicle and the side of the vehicle.
  • the tire pressure monitoring module 10 When the tire pressure monitoring module 10 receives the first control signal, it indicates that the user's vehicle has come around the vehicle, and the vehicle may turn. During the vehicle steering process, when the tire pressure of the vehicle is too high or too low, both It is easy to produce the possibility of vehicle failure, and then the possibility of safety accidents.
  • the tire pressure monitoring module 10 monitors the tire pressure of the tire, and The monitoring result is sent to the reminding module 30.
  • the reminding module 30 can display the monitoring when receiving the monitoring result sent by the tire pressure monitoring module 10, so that the user can know the current state of the tire pressure.
  • the system can analyze and know that the vehicle may turn. Therefore, before turning, the function of monitoring the tire pressure of the tire is realized through the setting of the tire pressure monitoring module 10, It is used to judge whether the tire pressure of the tire is within the normal range, to ensure that the tire pressure of the tire is within the normal range, and the monitoring result is more accurate.
  • the user can know whether the side of the vehicle is coming, and also can obtain the tire pressure of each tire of the vehicle, so that the user can know whether the tire of the tire affects the driving of the user, reducing the user The possibility of a safety accident while driving increases the safety of the user while driving.
  • a steering module 40 is further included.
  • the steering module 40 is used to analyze the user's operation and send a second control signal to the tire pressure monitoring module 10; the tire pressure monitoring module 10 is also used to receive the first Two control signals, and monitor the tire pressure when receiving the second control signal.
  • the steering module 40 Through the setting of the steering module 40, for example, after the vehicle detects that the user has turned on the turn signal, indicating that the user needs to start steering, the steering module 40 sends a second control signal to the tire pressure monitoring module 10 so that the tire pressure monitoring starts to monitor the tire pressure .
  • the tire pressure monitoring module 10 includes:
  • the power processing unit 11 is configured to receive external power.
  • the first voltage stabilizing unit 12 is electrically connected to the power processing unit 11 and is used to output a stable voltage.
  • the first central control unit 13 is electrically connected to the power processing module for electrically connecting to the reminder module 30.
  • the first communication unit 14 is electrically connected to the first central control unit 13 and is used for data interaction with the first central data unit.
  • the tire pressure monitoring unit 15 is provided on the tire to detect the tire pressure of the tire.
  • the first receiving unit 16 is electrically connected to the first central control unit 13 and the first voltage stabilizing unit 12, and is in communication with the tire pressure monitoring unit 15 for receiving the tire pressure monitoring unit 15 for monitoring Tire pressure.
  • the power processing unit 11 mainly refers to a small DC power supply device, which can output a stable DC voltage when connected to an external power supply, and the external power supply refers to the power supply of the vehicle;
  • the first voltage stabilizing unit 12 mainly refers to a low-dropout linear regulator, That is, LDO;
  • the first central control unit 13 is mainly a controller such as a single-chip computer or PLC, and the first communication unit 14 mainly refers to a data transmission unit, which can be integrated in the first central control unit 13 and can also be independently set.
  • the first A communication module mainly refers to a CAN module, and transmits data with the side-view radar module 20 via a CAN bus;
  • a tire pressure monitoring unit 15 refers to a tire pressure monitor provided on a tire for detecting the tire pressure of the tire;
  • a first receiving unit 16 mainly refers to a radio frequency receiver, which is used to receive the radio frequency signal sent by the tire pressure monitor and transmit the radio frequency signal to the first central control unit 13.
  • the tire pressure monitoring module 10 further includes:
  • the temperature monitoring unit 17 is provided on the tire to monitor the temperature of the tire. Specifically, in this embodiment, the temperature monitoring unit 17 can be integrated into the tire pressure monitor, and the first central control unit 13 can display it through the reminder module 30 after receiving the monitoring result sent by the temperature monitoring unit 17.
  • the side-view radar module 20 includes:
  • the second voltage stabilizing unit 21 is electrically connected to an external power source and used to output a stable voltage.
  • the second central control unit 22 is electrically connected to the second voltage stabilizing unit 21 and is used to electrically connect to the reminder module 30.
  • the second communication unit 23 is electrically connected to the second central control unit 22 and is used for data interaction with the second central data unit.
  • the side view unit 24 is used to monitor whether the vehicle comes from the side.
  • the second receiving unit 25 is electrically connected to the second central control unit 22 and the second voltage stabilizing unit 21, and is communicatively connected to the side view unit 24 for receiving the detection result of the side view unit 24 .
  • the second voltage stabilizing unit 21 mainly refers to a low-dropout linear voltage regulator, that is, LDO;
  • the second central control unit 22 mainly refers to a microcontroller or PLC and other controllers;
  • the second communication unit 23 mainly refers to a data transmission unit, which can be integrated in the first
  • the two central control units 22 can also be set independently.
  • the second communication module mainly refers to the CAN module and transmits data to the tire pressure monitoring module 10 via the CAN bus;
  • the side view unit 24 refers to the The radar device is used to monitor whether the vehicle is coming from the side;
  • the second receiving unit 25 mainly refers to a radio frequency receiver, which is used to receive the radio frequency signal emitted by the radar device and transmit the radio frequency signal to the second central control unit 22.
  • the stability monitoring of the vehicle coming from the side of the vehicle and the data transmission with the tire pressure monitoring module 10 can be realized.
  • the reminder module 30 includes a tire pressure display screen 31 and a side-view display screen 32; the tire pressure display screen 31 is used to remind the tire pressure signal; the side-view display screen 32 is used to send a corresponding incoming signal Reminder; the side-view display screen 32 is set to two, and the side-view display screen 32 is provided on both sides of the tire pressure display screen 31.
  • the side-view display screen 32 By setting the side-view display screen 32 on both sides of the tire pressure display screen 31, the user can clearly understand whether the side of the user's vehicle comes to the vehicle on the technology of obtaining the tire pressure of the tire, which is convenient for the user to turn. The safety performance of users during driving.
  • the reminder module 30 further includes a buzzer (not shown in the figure); the buzzer is used to emit a buzzer sound when receiving a car arrival signal.
  • the buzzer can be used to remind the user, so that the user can perform the steering action in time, and can also conveniently remind the user to view the reminder module 30 It is convenient for the user to know the tire pressure of all tires, so that the vehicle can safely and reliably perform the steering action.
  • the tire pressure display screen 31 and the side view display screen 32 are integrally formed.
  • the integrated tire pressure display 31 and the side view display 32 facilitate the processing and production of the reminder module 30, and also facilitate the electrical connection of the tire pressure monitoring module 10 and the side view radar module 20 to the reminder module 30.
  • the user simultaneously observes the tire pressure of the tire and the oncoming situation on the side of the user's vehicle.
  • the side-view radar module 20 detects that the vehicle is coming from the side of the vehicle or the vehicle is facing a meeting, the remaining vehicles are within the monitoring range of the side-view radar for a short period of time. Through the maintenance time monitoring, the side-view radar module 20 analyzes Obtain whether the oncoming vehicle on the side requires the user's vehicle to turn. When the oncoming vehicle on the user's side directly exceeds the user's vehicle, the user's vehicle does not need to change lanes. Therefore, the vehicle does not need to turn and the vehicle does not need to monitor tire pressure. .
  • the side-view radar module 20 can always be located on the rear side of the vehicle when it detects a side-on vehicle Waiting for the user's steering, therefore, after the preset maintenance time, the vehicle can know that the user is about to turn, and the tire pressure monitoring module 10 starts to monitor the tire pressure of the tire, so that the vehicle can safely perform the steering action.
  • the preset maintenance time can be selected from 5s to 20s, and can be changed according to the user's vehicle model and the user's needs.
  • the tire pressure monitoring module 10 When the tire pressure monitoring module 10 receives the control signal, it indicates that the user is about to perform a steering action, and the vehicle starts to monitor the tire pressure of the tires.
  • the tire pressure of each tire of the vehicle is obtained at the first preset frequency.
  • the first preset frequency can be selected from 5s / time to 10s each time, and can be changed according to the needs of the user.
  • the first preset frequency in the current state is larger and much larger than the normal state of the tire pressure monitor during normal use.
  • the tire pressure monitor can obtain the tire pressure of the tire multiple times in a short time to obtain a stable and reliable Tire pressure.
  • the tire pressure monitoring module 10 can determine whether the tire pressure of the tire is within the usable tire pressure range during driving and steering, and the first preset range is the tire pressure range that the tire can run, specifically, for example, for the standard Type tires, the first preset range is 2.0bar to 2.8bar, users can change the first preset tire pressure range according to different seasons and different tire types; when the tire pressure is within the first preset range Outside, the tires are difficult to use normally, and are prone to cause failures, which may lead to safety accidents.
  • the setting of the first preset range it is convenient for the user to know whether there is a possibility that the tire in the current state has a failure during driving and steering, which increases the safety performance of the vehicle during driving.
  • the tire pressure monitoring module 10 can send a corresponding number of normal tire pressure signals to the reminder module 30.
  • the tire pressure monitoring module 10 When the tire pressure monitoring module 10 detects that the tire pressure of a certain tire is outside the first preset range during driving, it indicates that the tire pressure in the current state is based on the limit state, when the user is in normal When the above situation is encountered again during driving, the possibility of failure is likely to occur. Therefore, the tire pressure monitoring module 10 needs to mark the tire as an abnormal tire and send an abnormal tire pressure signal corresponding to the abnormal tire to the reminder module 30, so that the user can easily obtain Knowing that there is a tire in an unsafe state, it is convenient for users to improve the tire pressure of the tire as soon as possible, reducing the possibility of failure.
  • the tire pressure monitoring module 10 monitors that the tire pressures of all tires are within the first preset range, it indicates that the vehicle can run normally, and the possibility of failure during driving is low, and it is not easy to produce safety accidents; It is compared whether the tire pressure of the tire is within the second preset range to determine whether the current tire pressure of the user can always be stable within the safe tire pressure range.
  • the first preset range is 2.3bar to 2.6bar
  • the user can change the second preset tire pressure range according to different seasons and different tire types; probably the tire is in the second
  • the vehicle has a low probability of malfunctioning during normal driving and steering, and the user does not need to pay too much attention to the tire pressure of the tire.
  • the pressure monitoring module 10 can obtain the tire pressure within a preset period of time.
  • the preset period mainly refers to a period of time after the tire pressure monitoring module 10 receives the control signal and analyzes the tire pressure monitored during the period It is determined whether the tire has been worn or the tire pressure due to the absolute error is outside the second preset range.
  • the total tire pressure frequency within the preset time period is used to calculate the tire pressure ratio between the tire pressure frequency outside the second preset range and the total tire pressure frequency, and to analyze whether the above tire pressure ratio is greater than the predetermined Set the ratio.
  • the tire pressure monitoring module 10 can mark the worn tire, and send a loss signal
  • the tire pressure monitoring module 10 can analyze that even if there is a tire pressure that exceeds the second preset range, the tire is only due to vibration and other external environmental factors. Suddenly, the tire pressure is still within the normal range. Therefore, the tire pressure monitoring module 10 can continue to send a normal tire pressure signal.
  • the reminder module 30 can remind in different ways, so that the user can clearly know the tire pressure of the tire.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Measuring Fluid Pressure (AREA)
  • Tires In General (AREA)

Abstract

La présente invention concerne un procédé et un système d'alarme radar à balayage latéral et de pression de pneu. Le procédé comprend les étapes suivantes : lorsqu'un module radar à vision latérale (20) détecte qu'un véhicule s'approche depuis un côté d'un véhicule, le module radar à vision latérale (20) transmet un signal d'approche de véhicule correspondant à un module d'alarme (30) en fonction de la position du véhicule s'approchant depuis le côté, et transmet un premier signal de commande à un module de surveillance de pression de pneu (10) ; lorsque le module d'alarme (30) reçoit le signal d'approche de véhicule, le module d'alarme (30) émet une alarme en fonction du signal d'approche de véhicule reçu ; lorsque le module de surveillance de pression de pneu (10) reçoit le signal de commande, le module de surveillance de pression de pneu (10) surveille une pression de pneu et transmet un signal de pression de pneu correspondant au module d'alarme (30) selon un résultat de surveillance ; et le module d'alarme (30) émet une alarme en fonction du signal de pression de pneu reçu.
PCT/CN2019/119805 2018-11-21 2019-11-20 Procédé et système d'alarme radar à balayage latéral et de pression de pneu WO2020103886A1 (fr)

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