CN109304993A - Detection device and its working method and a kind of new-energy automobile for Tire Pressure Monitor System - Google Patents
Detection device and its working method and a kind of new-energy automobile for Tire Pressure Monitor System Download PDFInfo
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- CN109304993A CN109304993A CN201811387188.4A CN201811387188A CN109304993A CN 109304993 A CN109304993 A CN 109304993A CN 201811387188 A CN201811387188 A CN 201811387188A CN 109304993 A CN109304993 A CN 109304993A
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- 238000001514 detection method Methods 0.000 title claims abstract description 111
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- 230000008054 signal transmission Effects 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 121
- 230000002159 abnormal effect Effects 0.000 claims description 42
- 230000011664 signaling Effects 0.000 claims description 25
- 239000013078 crystal Substances 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 238000011897 real-time detection Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 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
- B60C23/0401—Signalling devices actuated by tyre pressure mounted on the wheel or tyre characterised by the type of alarm
- B60C23/0405—Mechanically generated visible signals, e.g. by using a gauge needle
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention proposes a kind of detection device for Tire Pressure Monitor System and its working method and a kind of new-energy automobiles, the pressure transmitter used including tire pressure detection is installed in tire, pressure transmitter working signal end connection signal transmission circuit signal receiving end, signal circuit signal sending end connects WiFi circuitry, WiFi circuitry wireless signal transmitting terminal connects wireless PLC controller signal receiving end, wireless PLC controller shows that signal end connects monitor signal receiving end, WiFi circuitry signal sending end connects photoelectric coupled circuit signal input part, photoelectric coupled circuit working end connects relay, relay controls solenoid valve opening and closing, solenoid valve is mounted on air faucet of tire, the acquisition signal of pressure transmitter is obtained by on-off solenoid valve, there is WiFi circuitry to be transferred to wireless PLC controller to be counted According to collection.
Description
Technical field
The present invention relates to electronic circuit field more particularly to a kind of detection device for Tire Pressure Monitor System and its
Working method and a kind of new-energy automobile.
Background technique
Tire pressure monitoring system (Tire Pressure Monitoring System, abbreviation TPMS) is increasingly becoming vapour
Car owner moves the standard configuration of security fields, in freeway accident accident, due to personnel casualty accidents one caused by blowing out
Directly rank the umber one.And tire pressure it is too low have become generally acknowledge cause the main reason for blowing out.In addition, tire pressure is too low to also result in wheel
Tire service life reduces, vehicle fuel consumption increases.Has associated companies research, for tire, tire when air pressure is too low
The rate of wear is 2-3 times of the normal tire pressure hour wheel tire rate of wear；When tire pressure is lower than normal tire pressure 30%, oil consumption can be bright
It is aobvious to increase, for the monitoring system whether can steady operation, need corresponding detection device accurately to be detected, and by data
Accurate display, but there is no such testing products for existing equipment, this just needs those skilled in the art and solves corresponding skill
Art problem.
Summary of the invention
The present invention is directed at least solve the technical problems existing in the prior art, especially innovatively propose a kind of for vapour
The detection device and its working method of tire pressure monitoring system and a kind of new-energy automobile.
In order to realize above-mentioned purpose of the invention, the present invention provides a kind of detection dresses for Tire Pressure Monitor System
It sets, comprising: the pressure transmitter that tire pressure detection uses is installed in tire, the transmission of pressure transmitter working signal end connection signal
Circuit signal receiving end, signal circuit signal sending end connect WiFi circuitry, the connection of WiFi circuitry wireless signal transmitting terminal
Wireless PLC controller signal receiving end, wireless PLC controller show that signal end connects monitor signal receiving end, WiFi circuitry
Signal sending end connects photoelectric coupled circuit signal input part, and photoelectric coupled circuit working end connects relay, and relay control solenoid valve is opened
It closes.
The detection device for Tire Pressure Monitor System, it is preferred that further include: tire pressure signal acquisition terminal difference
The 1st resistance one end and the 26th capacitor one end, the 26th capacitor other end ground connection are connected, the 1st resistance other end connects the 1st inductance one
End, the 1st inductance other end are separately connected the 2nd capacitor one end and the 3rd capacitor one end, and the 2nd capacitor other end is grounded, and the 3rd capacitor is another
One end is separately connected the 2nd inductance one end, the 2nd resistance one end and the 3rd resistance one end, and the 2nd inductance other end is separately connected the 1st capacitor
One end and power end, the 1st capacitor other end ground connection, the 2nd resistance other end and the 3rd resistance other end connect pressure sensor signal
Collection terminal, the 1st crystal oscillator connect pressure sensor crystal oscillation signal end, and pressure sensor reference voltage end connects the 4th capacitor one end, the
4 capacitor other ends ground connection, pressure sensor power end connect anode, and anode is also connected with the 5th capacitor one end, the 5th electricity
Hold the other end and is separately connected battery cathode and pressure sensor earth.
The detection device for Tire Pressure Monitor System, it is preferred that signal circuit includes: pressure sensing
Device signal output end connects the 6th capacitor one end, and the 6th capacitor other end connects the 3rd inductance one end, the 3rd inductance other end connection letter
Number transmission chip signal input terminal, the 4th inductance one end ground connection, the 4th inductance other end connection signal transmit chip resonance signal end,
Radiofrequency signal end is separately connected the 7th capacitor one end, the 5th inductance one end, the 9th capacitor one end and the 10th capacitor one end, and the 7th capacitor is another
One end connects the 4th resistance one end, and the 4th resistance other end connection signal transmits chip signal transmitting terminal, the connection of the 5th inductance other end
8th capacitor one end, the 8th capacitor other end connection signal transmit 1 end of chip radio frequency signal acquisition, the 9th capacitor other end connection letter
Number transmission 2 end of chip radio frequency signal acquisition, the 10th capacitor other end ground connection, signal transmission chip logic input terminal are separately connected the
11 capacitor one end, the 12nd capacitor one end and the 13rd capacitor one end, the 11st capacitor other end, the 12nd capacitor other end and the 13rd capacitor
It is grounded after other end connection, the 2nd crystal oscillator one end connects the 14th capacitor one end, and it is brilliant that the 14th capacitor other end connection signal transmits chip
Shake 1 end of signal, and the 2nd crystal oscillator other end connects the 15th capacitor one end, and the 15th capacitor other end connection signal transmits chip crystal oscillator letter
Number 2 ends, signal transmit chip reference signal end and connect the 16th capacitor one end, the 16th capacitor other end ground connection, and signal transmits chip
Digital signal end is separately connected the 20th capacitor one end, the 8th resistance one end and the 9th resistance one end, and the 9th resistance other end is separately connected
Signal transmission chip data output end and the 21st capacitor one end, the 20th capacitor other end are separately connected the 9th resistance other end and the 7th
Resistance one end, the 7th resistance other end connect the 17th capacitor one end.
The detection device for Tire Pressure Monitor System, it is preferred that WiFi circuitry includes: that the 21st capacitor is another
End connection WiFi chip signal input part, WiFi chip aerial signal read end and connect the 10th resistance one end, and the 10th resistance is another
End connection antenna, WiFi chip aerial signal transmitting terminal connect the 11st resistance one end, and the 11st resistance other end connects the 22nd capacitor
One end, the 22nd capacitor other end connect antenna, and WiFi chip signal sending end connects optocoupler positive terminal, WiFi chip synchronization signal
End connection optocoupler negative pole end, optocoupler emitter connect relay coil one end, and the relay coil other end connects relay normally open
Contact one end, the relay normally open contact other end connect optocoupler collector, and WiFi chip battery feeder ear is separately connected the 24th electricity
Hold one end and the 13rd resistance one end, the 13rd resistance other end connects WiFi chip power end, the connection of WiFi chip voltage signal end
12nd resistance one end.
Invention additionally discloses a kind of detection working methods for Tire Pressure Monitor System, include the following steps:
Several tire pressure detecting devices are fixed on each hub centre position by S1, and three snorkel one end connect air faucet of tire,
The three snorkel other ends connect the pressure transmitter inside tire pressure detecting device, pressure transmitter real-time detection vehicle tire pressure；
S2, wireless PLC controller are wirelessly connected each tire pressure detecting device respectively, are obtained by wireless PLC controller
Tire pressure data carry out real-time display by display, send regulating command by wireless PLC controller；
S3 after WiFi circuitry receives regulating command, is obtained by opening and closing electromagnetism valve events and is adjusted tire pressure data information in real time,
The tire pressure data that tire pressure detecting device obtains are compared with the tire pressure data that automobile carries system for detecting tire pressure, to judge
Automobile carries whether system for detecting tire pressure works normally.
The detection working method for Tire Pressure Monitor System, it is preferred that the S1 includes:
S1-1, before pressure transmitter acquires tire pressure data, pressure transmitter and solenoid valve to each tire are carried out just
Beginningization setting, sends work feedback command, if any one pressure transmitter or solenoid valve do not have feedback operation signal,
It alarms；
S1-2 demarcates the pressure transmitter of each wheel, setting alarm referential data；To each after being provided with
A tire is full of tire pressure is recommended, and the pressure transmitter of each tire carries out pressure data acquisition, by the pressure inverting of automobile
The pressure value that the pressure value measured in device carries system for detecting tire pressure detection with automobile compares, if numerical value is consistent
S2 is executed, if the numerical value of measurement is inconsistent, is alarmed.
The detection working method for Tire Pressure Monitor System, it is preferred that the S2 includes:
S2-1, wireless PLC controller obtain the tire pressure data of pressure transmitter, carry out deflation detection to each tire, examine
Survey is divided into tire static detection: single tire list inspection and polyembryony are the same as inspection；
Operation phase detection: detection, detection of giving it the gun, emergency stop detection and Reduced Speed Now detection are driven at a constant speed；
S2-2, the tire pressure detecting device that the near front wheel is arranged is the first tire pressure detecting device, off-front wheel is the detection of the second tire pressure
Device, left rear wheel is third tire pressure detecting device and off hind wheel is the 4th tire pressure detecting device；
S2-3, carries out single tire list inspection operation, and the first tire pressure detecting device acquires the near front wheel and recommends tire pressure value, and and vapour
Vehicle carries system for detecting tire pressure atmospheric pressure value and compares, and sends PID control instruction, letter by wireless PLC controller if consistent
Number transmission circuit sends the instruction of the near front wheel working electromagnet valve opening after forming pwm pulse signal, passes through the first WiFi circuitry and sends
To the first relay, the first relay controls the near front wheel working electromagnet valve opening, according to preset first electromagnetism valve opening time,
Pressure discharge operations are carried out to tire, the first tire pressure detecting device detects pressure state in pressure leak process, needed for pressure release to detection
Tire pressure value obtains the tire pressure value in pressure release stage by carrying system for detecting tire pressure with automobile and is compared, if automobile is included
The tire pressure value of system for detecting tire pressure does not change, then alarms, if automobile carry system for detecting tire pressure tire pressure value with
Tire pressure value needed for detecting is consistent, then performs the next step；
S2-4, the second tire pressure detecting device acquires off-front wheel and recommends tire pressure value, and carries tire pressure detection system with automobile
System atmospheric pressure value compares, and sends PID control instruction by wireless PLC controller if consistent, and signal circuit forms PWM
The instruction of off-front wheel working electromagnet valve opening is sent after pulse signal, and the second relay is sent to by the second WiFi circuitry, second
Relay controls off-front wheel working electromagnet valve and opens, and according to preset electromagnetism valve opening time, carries out pressure discharge operations to tire, lets out
The second tire pressure detecting device detects pressure state during pressure, until pressure release tire pressure value to needed for detecting, by included with automobile
The tire pressure value that system for detecting tire pressure obtains the pressure release stage is compared, if automobile carries the tire pressure value of system for detecting tire pressure not
It changes, then alarms, if the tire pressure value that automobile carries system for detecting tire pressure is consistent with required tire pressure value is detected,
It performs the next step；
S2-5, third tire pressure detecting device acquires left rear wheel and recommends tire pressure value, and carries tire pressure detection system with automobile
System atmospheric pressure value compares, and sends PID control instruction by wireless PLC controller if consistent, and signal circuit forms PWM
The instruction of left rear wheel working electromagnet valve opening is sent after pulse signal, and third relay, third are sent to by third WiFi circuitry
Relay controls left rear wheel working electromagnet valve and opens, and according to preset electromagnetism valve opening time, carries out pressure discharge operations to tire, lets out
Third tire pressure detecting device detects pressure state during pressure, until pressure release tire pressure value to needed for detecting, by included with automobile
The tire pressure value that system for detecting tire pressure obtains the pressure release stage is compared, if automobile carries the tire pressure value of system for detecting tire pressure not
It changes, then alarms, if the tire pressure value that automobile carries system for detecting tire pressure is consistent with required tire pressure value is detected,
It performs the next step；
S2-6, the 4th tire pressure detecting device acquires off hind wheel and recommends tire pressure value, and carries tire pressure detection system with automobile
System atmospheric pressure value compares, and sends PID control instruction by wireless PLC controller if consistent, and signal circuit forms PWM
The instruction of off hind wheel working electromagnet valve opening is sent after pulse signal, and the 4th relay is sent to by the 4th WiFi circuitry, the 4th
Relay controls off hind wheel working electromagnet valve and opens, and according to preset electromagnetism valve opening time, carries out pressure discharge operations to tire, lets out
The 4th tire pressure detecting device detects pressure state during pressure, until pressure release tire pressure value to needed for detecting, by included with automobile
The tire pressure value that system for detecting tire pressure obtains the pressure release stage is compared, if automobile carries the tire pressure value of system for detecting tire pressure not
It changes, then alarms, if the tire pressure value that automobile carries system for detecting tire pressure is consistent with required tire pressure value is detected,
It performs the next step；
Above-mentioned S2-3 to S2-6 successively executes in sequence and stores corresponding tire pressure comparison data and alert data, and
It is sent to cloud server, after tire pressure each for sequence detection clearly can individually reduce a tire pressure, to other vehicles
The influence of tire pressure numerical value provides tire pressure detecting device perfect data samples；
S2-7 is finished after the inspection of single tire list, starts polyembryony with examining process, by wireless PLC controller to four tires
Pressure detection device sends PID control instruction simultaneously, and signal circuit is sent to the near front wheel work after forming pwm pulse signal simultaneously
Make solenoid valve, off-front wheel working electromagnet valve, left rear wheel working electromagnet valve, the instruction of off hind wheel working electromagnet valve opening, each tire
According to preset electromagnetism valve opening time, pressure discharge operations, four tire pressure detecting device detection pressures in pressure leak process are carried out to tire
Power state, until pressure release tire pressure value to needed for detecting, by carrying the tire that system for detecting tire pressure obtains the pressure release stage with automobile
Pressure value is compared, if the tire pressure value that automobile carries system for detecting tire pressure does not change, is alarmed, if automobile is certainly
Tire pressure value with system for detecting tire pressure is consistent with required tire pressure value is detected, then performs the next step；
S2-8 is instructed by linkage and is carried out tire pressure detection, in stationary vehicle, is in vehicle ignition switch and is closed shape
State adjusts the air pressure of any one tire of vehicle to tire pressure is recommended within a certain period of time, switchs to out to vehicle ignition switch
State is opened, if automobile carries tire pressure detecting device when system for detecting tire pressure issues undervoltage warning signal and is being judged as tire pressure detection just
Often, if automobile carries tire pressure detecting device when system for detecting tire pressure does not issue undervoltage warning signal and is judged as that tire pressure detection is different
Often；
S2-9, in dynamic test, vehicle at the uniform velocity travels some time along direct route positive direction, and automobile tire is reached
Then certain temperature adjusts the air pressure of any one tire of vehicle to tire pressure value is recommended, record tire pressure reaches recommendation tire
Time of vehicle operation value when atmospheric pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment is alarmed；If vehicle inner tube pressure detects
After system is shown according to preset value, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, by point
Fire switch switchs to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, will be complete
Portion's tyre inflating recommends tire pressure to vehicle and resets the included system for detecting tire pressure of automobile, and tire pressure detecting device also stops reporting at this time
It is alert；
S2-10, vehicle at the uniform velocity travel some time along S type route positive direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route positive direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of positive direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display；
S2-11, vehicle at the uniform velocity travel some time along direct route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data that direct route opposite direction is travelled are detected by tire pressure
Device carries out record reading, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure,
At this time if automobile carry system for detecting tire pressure stop alarm, record the state, for opposite direction traveling tire pressure data into
Row record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device processed obtains corresponding tire data, and is shown by display；
S2-12, vehicle at the uniform velocity travel some time along S type route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route opposite direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of opposite direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display；
S2-13, vehicle accelerate to travel some time along direct route positive direction, automobile tire are reached certain temperature, so
The air pressure of any one tire of vehicle is adjusted afterwards to tire pressure value is recommended, and record tire pressure, which reaches, recommends tire pressure value to tire pressure
Time of vehicle operation value when detection system abnormal tyre pressure signalling alarm equipment is alarmed；If vehicle inner tube pressure detection system is according to default
After value display, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, ignition switch is switched to out
State is opened, automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, extremely by whole tyre inflatings
Vehicle recommends tire pressure simultaneously to reset automobile to carry system for detecting tire pressure, at this time tire pressure detecting device also stop alarm；
S2-14, vehicle accelerate to travel some time along S type route positive direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route positive direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of positive direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display；
S2-15, vehicle accelerate to travel some time along direct route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data that direct route opposite direction is travelled are detected by tire pressure
Device carries out record reading, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure,
At this time if automobile carry system for detecting tire pressure stop alarm, record the state, for opposite direction traveling tire pressure data into
Row record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device processed obtains corresponding tire data, and is shown by display；
S2-16, vehicle accelerate to travel some time along S type route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route opposite direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of opposite direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display.
The detection working method for Tire Pressure Monitor System, it is preferred that the S2 further include:
S2-17 after the vehicle driving some time, carries out emergency stop operation, and during emergency stop, record tire pressure reaches recommendation wheel
Time of vehicle operation value when air pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment is alarmed；If tire pressure detection system
After system is shown according to preset value, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, will light a fire
Switch switchs to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, will be whole
Tyre inflating recommends tire pressure to vehicle and resets the included system for detecting tire pressure of automobile, at this time if automobile carries system for detecting tire pressure
Stop alarm then records the state, and the tire pressure data of opposite direction traveling are recorded, if automobile carries tire pressure detection system
Still tire pressure detecting device is not alarmed for system still alarm, then obtains corresponding tire data by wireless PLC controller, and by aobvious
Show that device is shown；Since tire pressure value has the phenomenon that skyrockets during emergency stop, carried out if carrying system for detecting tire pressure in automobile
Alarm indication, but tire pressure detecting device is not alarmed, then assert and carry system for detecting tire pressure failure in automobile, if vapour
The included non-alarm indication of system for detecting tire pressure of car, tire pressure detecting device also do not alarm, then assert and carry tire in automobile
Press detection system fault-free；
S2-18, vehicle deceleration travel some time along direct route positive direction, automobile tire are reached certain temperature, so
The air pressure of any one tire of vehicle is adjusted afterwards to tire pressure value is recommended, and record tire pressure, which reaches, recommends tire pressure value to tire pressure
Time of vehicle operation value when detection system abnormal tyre pressure signalling alarm equipment is alarmed；If vehicle inner tube pressure detection system is according to default
After value display, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, ignition switch is switched to out
State is opened, automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, extremely by whole tyre inflatings
Vehicle recommends tire pressure simultaneously to reset automobile to carry system for detecting tire pressure, at this time tire pressure detecting device also stop alarm；
S2-19, vehicle deceleration travel some time along S type route positive direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route positive direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of positive direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display；
S2-20, vehicle deceleration travel some time along direct route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data that direct route opposite direction is travelled are detected by tire pressure
Device carries out record reading, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure,
At this time if automobile carry system for detecting tire pressure stop alarm, record the state, for opposite direction traveling tire pressure data into
Row record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device processed obtains corresponding tire data, and is shown by display；
S2-21, vehicle deceleration travel some time along S type route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route opposite direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of opposite direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display.
The detection working method for Tire Pressure Monitor System, it is preferred that the S3 includes:
S3-1, in vehicle stop state, the aperture of difference electromagnetic valve for adjusting, by tire pressure detecting device to tire pressure state
It is measured in real time, obtains the critical value A1 of tire pressure alarm, the electromagnetism valve opening of the state and deflation duration are remembered
Record, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is subjected to record B1, A1 and B1 are compared,
Difference between the two is obtained, and calibration adjustment is carried out to B1；
S3-2, in vehicle uniform rectilinear's positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A2 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B2, by A2
It is compared with B2, obtains difference between the two, and calibration adjustment is carried out to B2；
S3-3, in vehicle at the uniform velocity S type positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A3 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B3, by A3
It is compared with B3, obtains difference between the two, and calibration adjustment is carried out to B3；
S3-4, when vehicle accelerates straight line positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A4 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B4, by A4
It is compared with B4, obtains difference between the two, and calibration adjustment is carried out to B4；
S3-5, when vehicle accelerates S type positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A5 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B5, by A5
It is compared with B5, obtains difference between the two, and calibration adjustment is carried out to B5；
S3-6, in vehicle emergency stop state, the aperture of difference electromagnetic valve for adjusting, by tire pressure detecting device to tire pressure state
It is measured in real time, obtains the critical value A6 of tire pressure alarm, the electromagnetism valve opening of the state and deflation duration are remembered
Record, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is subjected to record B6, A6 and B6 are compared,
Difference between the two is obtained, and calibration adjustment is carried out to B6；
S3-7, in vehicle deceleration straight line positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A7 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B7, by A7
It is compared with B7, obtains difference between the two, and calibration adjustment is carried out to B7；
S3-8, in vehicle deceleration S type positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A8 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B8, by A8
It is compared with B8, obtains difference between the two, and calibration adjustment is carried out to B8；
S3-9, in vehicle uniform rectilinear's opposite direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A9 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B9, by A9
It is compared with B9, obtains difference between the two, and calibration adjustment is carried out to B9；
S3-10, in vehicle at the uniform velocity S type opposite direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, obtains the critical value A10 of tire pressure alarm, by the electromagnetism valve opening of the state, and
Deflation duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B10, will
A10 and B10 are compared, and obtain difference between the two, and carry out calibration adjustment to B10；
S3-11, when vehicle accelerates straight line opposite direction driving status, the aperture of electromagnetic valve for adjusting, is examined by tire pressure respectively
It surveys device to be measured in real time tire pressure state, obtains the critical value A11 of tire pressure alarm, by the electromagnetism valve opening of the state, with
And deflation duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B11,
A11 and B11 are compared, obtain difference between the two, and calibration adjustment is carried out to B11；
S3-12, when vehicle accelerates S type opposite direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, obtains the critical value A12 of tire pressure alarm, by the electromagnetism valve opening of the state, and
Deflation duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B12, will
A12 and B12 are compared, and obtain difference between the two, and carry out calibration adjustment to B12；
S3-13, in vehicle emergency stop state, the aperture of difference electromagnetic valve for adjusting, by tire pressure detecting device to tire pressure shape
State is measured in real time, and obtains the critical value A13 of tire pressure alarm, and the electromagnetism valve opening of the state and deflation duration are carried out
Record, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is subjected to record B13, A13 and B13 is carried out
It compares, obtains difference between the two, and calibration adjustment is carried out to B13；
S3-14, in vehicle deceleration straight line opposite direction driving status, the aperture of electromagnetic valve for adjusting, is examined by tire pressure respectively
It surveys device to be measured in real time tire pressure state, obtains the critical value A14 of tire pressure alarm, by the electromagnetism valve opening of the state, with
And deflation duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B14,
A14 and B14 are compared, obtain difference between the two, and calibration adjustment is carried out to B14；
S3-15, in vehicle deceleration S type opposite direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, obtains the critical value A15 of tire pressure alarm, by the electromagnetism valve opening of the state, and
Deflation duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B15, will
A15 and B15 are compared, and obtain difference between the two, and carry out calibration adjustment to B15；
S3-16 successively executes operation by S3-1 to S3-15, carries out data acquisition by tire pressure detecting device and data pass
It is defeated, to accurately obtain the operating status that automobile carries system for detecting tire pressure, and automobile can be carried into tire pressure detection in time
System is calibrated.
Invention additionally discloses a kind of new-energy automobiles, including described in any item tire pressure detecting devices.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
The convenience and multiple reusability of installing and dismounting are combined, circuit design is reasonable, and the operation is stable is smooth,
Tire pressure numerical value can be accurately measured, by controlling solenoid valve on-off, realizes signal detection and collecting work.And it can be fine
Apply in new-energy automobile, for new-energy automobile carry out tire pressure detection, provide tire by the tire pressure working method for vehicle
The later period quality control of pressure detection, guarantees product qualification rate.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is general illustration of the present invention；
Fig. 2 is circuit diagram of the present invention；
Fig. 3 is flow chart of work methods of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
As shown in Figure 1, detection device of the invention includes: that the pressure transmitter that uses of tire pressure detection is installed in tire,
Pressure transmitter working signal end connection signal transmission circuit signal receiving end, signal circuit signal sending end connect WiFi
Circuit, WiFi circuitry wireless signal transmitting terminal connect wireless PLC controller signal receiving end, and wireless PLC controller shows signal
End connection monitor signal receiving end, WiFi circuitry signal sending end connect photoelectric coupled circuit signal input part, photoelectric coupled circuit work
End connection relay, relay control solenoid valve opening and closing, and solenoid valve is mounted on air faucet of tire, obtain pressure by on-off solenoid valve
The acquisition signal of transmitter has WiFi circuitry to be transferred to wireless PLC controller and carries out data collection.
As shown in Fig. 2, tire pressure signal acquisition terminal is separately connected the 1st resistance one end and the 26th capacitor one end, the 26th capacitor is another
One end ground connection, the 1st resistance other end connect the 1st inductance one end, and the 1st inductance other end is separately connected the 2nd capacitor one end and the 3rd electricity
Hold one end, the 2nd capacitor other end ground connection, the 3rd capacitor other end is separately connected the 2nd inductance one end, the 2nd resistance one end and the 3rd electricity
One end is hindered, the 2nd inductance other end is separately connected the 1st capacitor one end and power end, and the 1st capacitor other end is grounded, and the 2nd resistance is another
End connects pressure sensor signal collection terminal with the 3rd resistance other end, and the 1st crystal oscillator connects pressure sensor crystal oscillation signal end, pressure
Force snesor reference voltage end connects the 4th capacitor one end, the 4th capacitor other end ground connection, and pressure sensor power end connects battery
Anode, anode are also connected with the 5th capacitor one end, and the 5th capacitor other end is separately connected battery cathode and pressure sensor ground connection
End.
Preferably, signal circuit includes: that pressure sensor signal output end connects the 6th capacitor one end, and the 6th capacitor is another
One end connects the 3rd inductance one end, and the 3rd inductance other end connection signal transmits chip signal input terminal, and the 4th inductance one end is grounded,
4th inductance other end connection signal transmits chip resonance signal end, and radiofrequency signal end is separately connected the 7th capacitor one end, the 5th inductance
One end, the 9th capacitor one end and the 10th capacitor one end, the 7th capacitor other end connect the 4th resistance one end, the connection of the 4th resistance other end
Signal transmits chip signal transmitting terminal, and the 5th inductance other end connects the 8th capacitor one end, the transmission of the 8th capacitor other end connection signal
1 end of chip radio frequency signal acquisition, the 9th capacitor other end connection signal transmit 2 end of chip radio frequency signal acquisition, and the 10th capacitor is another
End ground connection, signal transmission chip logic input terminal are separately connected the 11st capacitor one end, the 12nd capacitor one end and the 13rd capacitor one end,
It is grounded after the 11st capacitor other end, the 12nd capacitor other end and the connection of the 13rd capacitor other end, the 14th electricity of the 2nd crystal oscillator one end connection
Hold one end, the 14th capacitor other end connection signal transmits 1 end of chip crystal oscillation signal, and the 2nd crystal oscillator other end connects the 15th capacitor one
End, the 15th capacitor other end connection signal transmit 2 end of chip crystal oscillation signal, and signal transmits the 16th electricity of chip reference signal end connection
Hold one end, the 16th capacitor other end ground connection, signal transmission chip digital signal end is separately connected the 20th capacitor one end, the 8th resistance
One end and the 9th resistance one end, the 9th resistance other end are separately connected signal transmission chip data output end and the 21st capacitor one end,
The 20th capacitor other end is separately connected the 9th resistance other end and the 7th resistance one end, and the 7th resistance other end connects the 17th capacitor one
End.
Preferably, WiFi circuitry includes: the 21st capacitor other end connection WiFi chip signal input part, WiFi chip antenna
Signal-obtaining end connects the 10th resistance one end, and the 10th resistance other end connects antenna, the connection of WiFi chip aerial signal transmitting terminal
11st resistance one end, the 11st resistance other end connect the 22nd capacitor one end, and the 22nd capacitor other end connects antenna, WiFi chip letter
Number transmitting terminal connects optocoupler positive terminal, and WiFi chip synchronization signal end connects optocoupler negative pole end, and optocoupler emitter connects relay
Coil one end, the relay coil other end connect relay normally open contact one end, and the relay normally open contact other end connects optocoupler
Collector, WiFi chip battery feeder ear are separately connected the 24th capacitor one end and the 13rd resistance one end, and the 13rd resistance other end connects
WiFi chip power end is connect, WiFi chip voltage signal end connects the 12nd resistance one end.
Wherein WiFi chip is WG7310；It is MAX1473, pressure sensor SP37 that signal, which transmits chip,.
From the valve cock of tire, pressure is drawn by pipeline, this pressure is connected with pressure transmitter and solenoid valve, pressure
Collected pressure signal is passed to signal circuit by power transmitter, then by wireless WIFI port transmission to PLC controller,
PLC controller sends signal to display and carries out data displaying.
When being controlled by wireless WiFi solenoid valve, attached drawing only makes exemplary representation, because solenoid valve opens and closes
Movement needs relay to work, and relay working voltage is higher than WiFi operating voltage, wherein by external power supply to solenoid valve
Relay, which is powered, not to be showed that, WiFi circuitry only provides signal transmitting.
The wireless PLC controller of PPI agreement is supported to carry out data interaction by using siemens PLC or S7-300.
By using WiFi circuitry WG7310 to guarantee that data stabilization is transmitted, and gas solenoid valve is controlled by photoelectric coupled circuit Q1
Relay opens and closes work, has selected this high integration system level chip of SP37.SP37 is that tuning range is 300~450MHz
Tire pressure pick-up chip, inside integrate sensor, single-chip microcontroller and signal transmitting unit, and (50 Ω are negative by peak power output+8dBm
Carry), minimum 1.9V work；SP37 working frequency is in 315MHz.Noise reduction is carried out by L1 and L2, C2 and C3 are filtered to inhibit
Harmonic wave, improve data transfer performance.Pressure signal collection is carried out by M1, C1, C26 and C2 use 100pF capacitance, and C5 is used
100nF capacitance is connected in parallel on power end, and L1 and L2 are respectively the crystal oscillator that 18nH, A1 and A2 are respectively 18.08MHz and 6.61MHz
Model, C4 use 100nF capacitance, and C14 and C15 are 15pF capacitance, carry out signal filtering operation, model by C6 and L3
Respectively 100pf and 72nH, wherein R5, R6 and R7 are respectively 5.1k ohm, C20 1000pF, C17 100pF.
Tire pressure transmitting system is installed in compartment, and in order to control cost, tire pressure transmitter is completed by MAX1473 chip
Quick, the accurate reception of SP37 signal, MAX1473 have the signal input range of -114~0d Bm, modulation frequency range 300
~450MHz receives data rate and is up to 100kb/s, passes through L5, C9 and parasitic inductance and capacitor, frequency mixer input impedance
With LNA output impedance, in order to improve sensitivity, resonance frequency obtains signal and inputs frequency, works as L5=15nH, when C9=3.0pF,
Receiving sensitivity highest.
By WG7310 circuit carry out wireless data transmission, the WG7310 circuit supply side input terminal using C24 into
Row filtering, optimized frequency are 10 μ f capacitances, and resistance R13 and R12 use 0402 Chip-R, and voltage IO input terminal uses C23
It is filtered, optimized frequency is 2 μ f capacitances, and C25 optimized frequency is 2.2 μ f capacitances.The WiFi circuitry and wireless PLC are controlled
Device carries out data transmission, and sends wireless PLC controller for the tire pressure data of acquisition, is sent to by the wireless PLC controller
Display carries out display operation, and wireless PLC controller sends instruction opens solenoid valve and carries out bleed air operation, SP37 to automobile tire
The tire pressure data of acquisition are controlled when solenoid valve is deflated by wireless PLC controller and are acquired again, and wireless PLC controller is passed through
Collaborative work with solenoid valve carries out detection operation.
As shown in figure 3, the set equipment solves, test remotely controls each tire pressure adjusting, Pressure monitoring, data are adopted
The problems such as collection processing, timing alarm；Combine the convenience and multiple reusability of installing and dismounting.
Function detailed annotation:
Gas source connection: by the valve connector with thimble, being connected to the valve cock of tire, and the purpose with thimble is even
It will not be to bleeding a tire when cock wheel tire pressure.This pressure and pressure sensor, relief valve form a pressure measurement and let out
The sealing air supply system of pressure.
System power supply: it is powered by cigarette lighter 12VDC or battery to system controller.Battery is powered to controller,
Electricity meets design requirement, i.e., after fully charged, can normal use one completely tested, each venting duration≤5 minute,
And need to reserve 30% surplus.
Instruction issue and reception: pressure release instruction is sent by way of remote control, four tire devices above are according to the work
The implementation procedure for starting to execute pressure release is received as method.
Control system working method: after receiving pressure release instruction by wireless receiver, the current real-time pressure of system record
Force value calculates current pressure values automatically, and relief valve work is immediately controlled, and carries out feedback pressure force value by pressure sensor
Variation.
Pressure release mode selects to illustrate: mainly having solenoid valve pressure release after impulse.In view of the factor of volume, weight etc.,
And main screw lift is reduced as far as possible, with solenoid valve pressure release, meet pressure by controlling working time and the working frequency of solenoid valve
The requirement of value.
Device installation is fixed: whole device being integrated into inside plastics industry control box, and is fixed on a metallic support, is propped up
Frame is fixed on the threaded portion on the wheel hub of former vehicle, and makes entire center of gravity and tire concentric as far as possible, is in mid-point position, with
Reduce eccentric force when tire high-speed rotation.
The inherent characteristic of gas is found in debugging process, resilience is strong, and pressure release atmospheric pressure value fails to reach design requirement.For
Solve the problems, such as this, and the 75% of the current pressure of (5min) pressure release at the appointed time.In a control program according to pressure sensing
The constantly feedback of device, the PID regulation technology used in a program.
From the valve cock of tire, pressure is drawn by pipeline, this pressure is connected with pressure sensor and solenoid valve, pressure
Collected pressure signal is passed to signal acquisition module by force snesor, then is transmitted to PLC by router port.To PLC and behaviour
Make touch screen and carries out trapezoidal pattern programming and picture programmed process operation pressure mould analog quantity data.By operating display, target is set
Pressure value sends order control solenoid valve opening and closing through signal acquisition module after PLC operation, realizes that air pressure is adjusted.
The specific work steps includes: S1, and several tire pressure detecting devices are fixed on each hub centre position, three ventilations
Pipe one end connects air faucet of tire, and the three snorkel other ends connect the pressure transmitter inside tire pressure detecting device, pressure transmitter
Real-time detection vehicle tire pressure；Because it is that the vent valve of gas nozzle is in the open state that three snorkels connect air faucet of tire one end,
So tire pressure data acquired in the tire pressure detecting device of the three snorkel other ends are exactly the inside tire pressure data of tire；
S2, wireless PLC controller are wirelessly connected each tire pressure detecting device respectively, are obtained by wireless PLC controller
Tire pressure data carry out real-time display by display, send regulating command by wireless PLC controller；
S3 after WiFi circuitry receives regulating command, is obtained by opening and closing electromagnetism valve events and is adjusted tire pressure data information in real time,
The tire pressure data that tire pressure detecting device obtains are compared with the tire pressure data that automobile carries system for detecting tire pressure, to judge
Automobile carries whether system for detecting tire pressure works normally.
Preferably, the S1 includes: S1-1, before pressure transmitter acquires tire pressure data, is become to the pressure of each tire
It send device and solenoid valve to carry out Initialize installation, sends work feedback command, if any one pressure transmitter or solenoid valve
There is no feedback operation signal, then alarms；
S1-2 demarcates the pressure transmitter of each wheel, setting alarm referential data；To each after being provided with
A tire is full of tire pressure is recommended, and the pressure transmitter of each tire carries out pressure data acquisition, by the pressure inverting of automobile
The pressure value that the pressure value measured in device carries system for detecting tire pressure detection with automobile compares, if numerical value is consistent
S2 is executed, if the numerical value of measurement is inconsistent, is alarmed.
The S2 includes the following steps:
S2-1, wireless PLC controller obtain the tire pressure data of pressure transmitter, carry out deflation detection to each tire, examine
Survey is divided into tire static detection: single tire list inspection and polyembryony are the same as inspection；
Operation phase detection: detection, detection of giving it the gun, emergency stop detection and Reduced Speed Now detection are driven at a constant speed；
S2-2, the tire pressure detecting device that the near front wheel is arranged is the first tire pressure detecting device, off-front wheel is the detection of the second tire pressure
Device, left rear wheel is third tire pressure detecting device and off hind wheel is the 4th tire pressure detecting device；
S2-3, carries out single tire list inspection operation, and the first tire pressure detecting device acquires the near front wheel and recommends tire pressure value, and and vapour
Vehicle carries system for detecting tire pressure atmospheric pressure value and compares, and sends PID control instruction, letter by wireless PLC controller if consistent
Number transmission circuit sends the instruction of the near front wheel working electromagnet valve opening after forming pwm pulse signal, passes through the first WiFi circuitry and sends
To the first relay, the first relay controls the near front wheel working electromagnet valve opening, according to preset first electromagnetism valve opening time,
Pressure discharge operations are carried out to tire, the first tire pressure detecting device detects pressure state in pressure leak process, needed for pressure release to detection
Tire pressure value obtains the tire pressure value in pressure release stage by carrying system for detecting tire pressure with automobile and is compared, if automobile is included
The tire pressure value of system for detecting tire pressure does not change, then alarms, if automobile carry system for detecting tire pressure tire pressure value with
Tire pressure value needed for detecting is consistent, then performs the next step；
S2-4, the second tire pressure detecting device acquires off-front wheel and recommends tire pressure value, and carries tire pressure detection system with automobile
System atmospheric pressure value compares, and sends PID control instruction by wireless PLC controller if consistent, and signal circuit forms PWM
The instruction of off-front wheel working electromagnet valve opening is sent after pulse signal, and the second relay is sent to by the second WiFi circuitry, second
Relay controls off-front wheel working electromagnet valve and opens, and according to preset electromagnetism valve opening time, carries out pressure discharge operations to tire, lets out
The second tire pressure detecting device detects pressure state during pressure, until pressure release tire pressure value to needed for detecting, by included with automobile
The tire pressure value that system for detecting tire pressure obtains the pressure release stage is compared, if automobile carries the tire pressure value of system for detecting tire pressure not
It changes, then alarms, if the tire pressure value that automobile carries system for detecting tire pressure is consistent with required tire pressure value is detected,
It performs the next step；
S2-5, third tire pressure detecting device acquires left rear wheel and recommends tire pressure value, and carries tire pressure detection system with automobile
System atmospheric pressure value compares, and sends PID control instruction by wireless PLC controller if consistent, and signal circuit forms PWM
The instruction of left rear wheel working electromagnet valve opening is sent after pulse signal, and third relay, third are sent to by third WiFi circuitry
Relay controls left rear wheel working electromagnet valve and opens, and according to preset electromagnetism valve opening time, carries out pressure discharge operations to tire, lets out
Third tire pressure detecting device detects pressure state during pressure, until pressure release tire pressure value to needed for detecting, by included with automobile
The tire pressure value that system for detecting tire pressure obtains the pressure release stage is compared, if automobile carries the tire pressure value of system for detecting tire pressure not
It changes, then alarms, if the tire pressure value that automobile carries system for detecting tire pressure is consistent with required tire pressure value is detected,
It performs the next step；
S2-6, the 4th tire pressure detecting device acquires off hind wheel and recommends tire pressure value, and carries tire pressure detection system with automobile
System atmospheric pressure value compares, and sends PID control instruction by wireless PLC controller if consistent, and signal circuit forms PWM
The instruction of off hind wheel working electromagnet valve opening is sent after pulse signal, and the 4th relay is sent to by the 4th WiFi circuitry, the 4th
Relay controls off hind wheel working electromagnet valve and opens, and according to preset electromagnetism valve opening time, carries out pressure discharge operations to tire, lets out
The 4th tire pressure detecting device detects pressure state during pressure, until pressure release tire pressure value to needed for detecting, by included with automobile
The tire pressure value that system for detecting tire pressure obtains the pressure release stage is compared, if automobile carries the tire pressure value of system for detecting tire pressure not
It changes, then alarms, if the tire pressure value that automobile carries system for detecting tire pressure is consistent with required tire pressure value is detected,
It performs the next step；
Above-mentioned S2-3 to S2-6 successively executes in sequence and stores corresponding tire pressure comparison data and alert data, and
It is sent to cloud server, after tire pressure each for sequence detection clearly can individually reduce a tire pressure, to other vehicles
The influence of tire pressure numerical value provides tire pressure detecting device perfect data samples；
S2-7 is finished after the inspection of single tire list, starts polyembryony with examining process, by wireless PLC controller to four tires
Pressure detection device sends PID control instruction simultaneously, and signal circuit is sent to the near front wheel work after forming pwm pulse signal simultaneously
Make solenoid valve, off-front wheel working electromagnet valve, left rear wheel working electromagnet valve, the instruction of off hind wheel working electromagnet valve opening, each tire
According to preset electromagnetism valve opening time, pressure discharge operations, four tire pressure detecting device detection pressures in pressure leak process are carried out to tire
Power state, until pressure release tire pressure value to needed for detecting, by carrying the tire that system for detecting tire pressure obtains the pressure release stage with automobile
Pressure value is compared, if the tire pressure value that automobile carries system for detecting tire pressure does not change, is alarmed, if automobile is certainly
Tire pressure value with system for detecting tire pressure is consistent with required tire pressure value is detected, then performs the next step；
S2-8 is instructed by linkage and is carried out tire pressure detection, in stationary vehicle, is in vehicle ignition switch and is closed shape
State adjusts the air pressure of any one tire of vehicle to tire pressure is recommended within a certain period of time, switchs to out to vehicle ignition switch
State is opened, if automobile carries tire pressure detecting device when system for detecting tire pressure issues undervoltage warning signal and is being judged as tire pressure detection just
Often, if automobile carries tire pressure detecting device when system for detecting tire pressure does not issue undervoltage warning signal and is judged as that tire pressure detection is different
Often；
S2-9, in dynamic test, vehicle at the uniform velocity travels some time along direct route positive direction, and automobile tire is reached
Then certain temperature adjusts the air pressure of any one tire of vehicle to tire pressure value is recommended, record tire pressure reaches recommendation tire
Time of vehicle operation value when atmospheric pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment is alarmed；If vehicle inner tube pressure detects
After system is shown according to preset value, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, by point
Fire switch switchs to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, will be complete
Portion's tyre inflating recommends tire pressure to vehicle and resets the included system for detecting tire pressure of automobile, and tire pressure detecting device also stops reporting at this time
It is alert；
S2-10, vehicle at the uniform velocity travel some time along S type route positive direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route positive direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of positive direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display；
S2-11, vehicle at the uniform velocity travel some time along direct route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data that direct route opposite direction is travelled are detected by tire pressure
Device carries out record reading, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure,
At this time if automobile carry system for detecting tire pressure stop alarm, record the state, for opposite direction traveling tire pressure data into
Row record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device processed obtains corresponding tire data, and is shown by display；
S2-12, vehicle at the uniform velocity travel some time along S type route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route opposite direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of opposite direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display；
S2-13, vehicle accelerate to travel some time along direct route positive direction, automobile tire are reached certain temperature, so
The air pressure of any one tire of vehicle is adjusted afterwards to tire pressure value is recommended, and record tire pressure, which reaches, recommends tire pressure value to tire pressure
Time of vehicle operation value when detection system abnormal tyre pressure signalling alarm equipment is alarmed；If vehicle inner tube pressure detection system is according to default
After value display, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, ignition switch is switched to out
State is opened, automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, extremely by whole tyre inflatings
Vehicle recommends tire pressure simultaneously to reset automobile to carry system for detecting tire pressure, at this time tire pressure detecting device also stop alarm；
S2-14, vehicle accelerate to travel some time along S type route positive direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route positive direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of positive direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display；
S2-15, vehicle accelerate to travel some time along direct route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data that direct route opposite direction is travelled are detected by tire pressure
Device carries out record reading, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure,
At this time if automobile carry system for detecting tire pressure stop alarm, record the state, for opposite direction traveling tire pressure data into
Row record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device processed obtains corresponding tire data, and is shown by display；
S2-16, vehicle accelerate to travel some time along S type route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route opposite direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of opposite direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display；
S2-17 after the vehicle driving some time, carries out emergency stop operation, and during emergency stop, record tire pressure reaches recommendation wheel
Time of vehicle operation value when air pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment is alarmed；If tire pressure detection system
After system is shown according to preset value, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, will light a fire
Switch switchs to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, will be whole
Tyre inflating recommends tire pressure to vehicle and resets the included system for detecting tire pressure of automobile, at this time if automobile carries system for detecting tire pressure
Stop alarm then records the state, and the tire pressure data of opposite direction traveling are recorded, if automobile carries tire pressure detection system
Still tire pressure detecting device is not alarmed for system still alarm, then obtains corresponding tire data by wireless PLC controller, and by aobvious
Show that device is shown；Since tire pressure value has the phenomenon that skyrockets during emergency stop, carried out if carrying system for detecting tire pressure in automobile
Alarm indication, but tire pressure detecting device is not alarmed, then assert and carry system for detecting tire pressure failure in automobile, if vapour
The included non-alarm indication of system for detecting tire pressure of car, tire pressure detecting device also do not alarm, then assert and carry tire in automobile
Press detection system fault-free；
S2-18, vehicle deceleration travel some time along direct route positive direction, automobile tire are reached certain temperature, so
The air pressure of any one tire of vehicle is adjusted afterwards to tire pressure value is recommended, and record tire pressure, which reaches, recommends tire pressure value to tire pressure
Time of vehicle operation value when detection system abnormal tyre pressure signalling alarm equipment is alarmed；If vehicle inner tube pressure detection system is according to default
After value display, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, ignition switch is switched to out
State is opened, automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, extremely by whole tyre inflatings
Vehicle recommends tire pressure simultaneously to reset automobile to carry system for detecting tire pressure, at this time tire pressure detecting device also stop alarm；
S2-19, vehicle deceleration travel some time along S type route positive direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route positive direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of positive direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display；
S2-20, vehicle deceleration travel some time along direct route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data that direct route opposite direction is travelled are detected by tire pressure
Device carries out record reading, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure,
At this time if automobile carry system for detecting tire pressure stop alarm, record the state, for opposite direction traveling tire pressure data into
Row record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device processed obtains corresponding tire data, and is shown by display；
S2-21, vehicle deceleration travel some time along S type route opposite direction, then adjust any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure alarm signal for air pressure
Time of vehicle operation value when device is alarmed；If after system for detecting tire pressure is shown according to preset value, vehicle stops and by vehicle point
Fire switch switchs to closed state, waits after a certain period of time, the tire pressure data of S type route opposite direction traveling are detected by tire pressure and are filled
It sets and carries out record reading, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm shape
State；Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, this
Shi Ruguo automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of opposite direction traveling are carried out
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is controlled by wireless PLC
Device obtains corresponding tire data, and is shown by display；
Preferably, S3 includes:
S3-1, in vehicle stop state, the aperture of difference electromagnetic valve for adjusting, by tire pressure detecting device to tire pressure state
It is measured in real time, obtains the critical value A1 of tire pressure alarm, the electromagnetism valve opening of the state and deflation duration are remembered
Record, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is subjected to record B1, A1 and B1 are compared,
Difference between the two is obtained, and calibration adjustment is carried out to B1；
S3-2, in vehicle uniform rectilinear's positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A2 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B2, by A2
It is compared with B2, obtains difference between the two, and calibration adjustment is carried out to B2；
S3-3, in vehicle at the uniform velocity S type positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A3 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B3, by A3
It is compared with B3, obtains difference between the two, and calibration adjustment is carried out to B3；
S3-4, when vehicle accelerates straight line positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A4 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B4, by A4
It is compared with B4, obtains difference between the two, and calibration adjustment is carried out to B4；
S3-5, when vehicle accelerates S type positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A5 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B5, by A5
It is compared with B5, obtains difference between the two, and calibration adjustment is carried out to B5；
S3-6, in vehicle emergency stop state, the aperture of difference electromagnetic valve for adjusting, by tire pressure detecting device to tire pressure state
It is measured in real time, obtains the critical value A6 of tire pressure alarm, the electromagnetism valve opening of the state and deflation duration are remembered
Record, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is subjected to record B6, A6 and B6 are compared,
Difference between the two is obtained, and calibration adjustment is carried out to B6；
S3-7, in vehicle deceleration straight line positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A7 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B7, by A7
It is compared with B7, obtains difference between the two, and calibration adjustment is carried out to B7；
S3-8, in vehicle deceleration S type positive direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A8 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B8, by A8
It is compared with B8, obtains difference between the two, and calibration adjustment is carried out to B8；
S3-9, in vehicle uniform rectilinear's opposite direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, the critical value A9 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B9, by A9
It is compared with B9, obtains difference between the two, and calibration adjustment is carried out to B9；
S3-10, in vehicle at the uniform velocity S type opposite direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, obtains the critical value A10 of tire pressure alarm, by the electromagnetism valve opening of the state, and
Deflation duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B10, will
A10 and B10 are compared, and obtain difference between the two, and carry out calibration adjustment to B10；
S3-11, when vehicle accelerates straight line opposite direction driving status, the aperture of electromagnetic valve for adjusting, is examined by tire pressure respectively
It surveys device to be measured in real time tire pressure state, obtains the critical value A11 of tire pressure alarm, by the electromagnetism valve opening of the state, with
And deflation duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B11,
A11 and B11 are compared, obtain difference between the two, and calibration adjustment is carried out to B11；
S3-12, when vehicle accelerates S type opposite direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, obtains the critical value A12 of tire pressure alarm, by the electromagnetism valve opening of the state, and
Deflation duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B12, will
A12 and B12 are compared, and obtain difference between the two, and carry out calibration adjustment to B12；
S3-13, in vehicle emergency stop state, the aperture of difference electromagnetic valve for adjusting, by tire pressure detecting device to tire pressure shape
State is measured in real time, and obtains the critical value A13 of tire pressure alarm, and the electromagnetism valve opening of the state and deflation duration are carried out
Record, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is subjected to record B13, A13 and B13 is carried out
It compares, obtains difference between the two, and calibration adjustment is carried out to B13；
S3-14, in vehicle deceleration straight line opposite direction driving status, the aperture of electromagnetic valve for adjusting, is examined by tire pressure respectively
It surveys device to be measured in real time tire pressure state, obtains the critical value A14 of tire pressure alarm, by the electromagnetism valve opening of the state, with
And deflation duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B14,
A14 and B14 are compared, obtain difference between the two, and calibration adjustment is carried out to B14；
S3-15, in vehicle deceleration S type opposite direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure respectively
Device is measured in real time tire pressure state, obtains the critical value A15 of tire pressure alarm, by the electromagnetism valve opening of the state, and
Deflation duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B15, will
A15 and B15 are compared, and obtain difference between the two, and carry out calibration adjustment to B15；
S3-16 successively executes operation by S3-1 to S3-15, carries out data acquisition by tire pressure detecting device and data pass
It is defeated, to accurately obtain the operating status that automobile carries system for detecting tire pressure, and automobile can be carried into tire pressure detection in time
System is calibrated.
Positive direction described herein is forward travel state, and opposite direction is fallback state,
Preferred: single underpressure alarm of tyre step makes at vehicle ignition switch I class TPMS in stationary vehicle
In " OFF " (" LOCK ") state, the air pressure of any one tire of vehicle is adjusted in 5min to (75% × Prec-7) kPa
(Prec is that vehicle recommends tire pressure).Record vehicle ignition switch switchs to " ON " (" RUN ") state to undervoltage warning signal and fills
Set the time lighted.In dynamic test, vehicle respectively travels 10min heat along test course both forward and reverse directions according to scheduled speed
Then tire adjusts the air pressure of any one tire of vehicle to (75% × Prec-7) kPa in 5min, records tire pressure and reach
Time of vehicle operation when (75% × Prec-7) kPa is lighted to TPMS abnormal tyre pressure signalling alarm equipment；If TPMS tire pressure is different
After normal signalling alarm equipment is lighted by above-mentioned regulation, stops and ignition switch is switched into " OFF " (" LOCK ") state, after 5min,
Ignition switch is switched into " ON " (" RUN ") state, signalling alarm equipment should be lighted at this time；For verify TPMS restorability,
After signal device alarm, after vehicle stands at least 1h, all tire is inflated to vehicle and recommends tire pressure Prec and by vehicle manufacture
The operating instruction that quotient provides resets TPMS, and abnormal tyre pressure signalling alarm equipment should extinguish at this time, since the TPMS of unlike signal is controlled
System strategy is different, some vehicles need to upload newest data after travelling, and is also allowed according to standard regulation, but row
The time is sailed no more than 10min.Vehicle static test 40km/h constant vehicle speed has been changed to for the vehicle equipped with II class TPMS to move
State test, other test methods are consistent with equipped with the vehicle of I class TPMS.
Multiple underpressure alarm of tyre tests, are either equipped with the vehicle of I class TPMS, are also equipped with the vehicle of II class TPMS,
Multiple underpressure alarm of tyre tests should be all carried out, and are carried out in the case where whole tyre underpressures, is considered
It is most complicated, detection difficulty highest to whole tyre underpressures, to the highest situation of TPMS system requirements, two wheels can be covered
The situation of tire, three tires and whole tyre underpressures.
Claims (10)
1. a kind of detection device for Tire Pressure Monitor System characterized by comprising the pressure that tire pressure detection uses becomes
Device is sent to be installed in tire, pressure transmitter working signal end connection signal transmission circuit signal receiving end, signal circuit
Signal sending end connects WiFi circuitry, and WiFi circuitry wireless signal transmitting terminal connects wireless PLC controller signal receiving end, wirelessly
PLC controller shows that signal end connects monitor signal receiving end, and it is defeated that WiFi circuitry signal sending end connects photoelectric coupled circuit signal
Enter end, photoelectric coupled circuit working end connects relay, and relay controls solenoid valve opening and closing.
2. the detection device according to claim 1 for Tire Pressure Monitor System, which is characterized in that further include: tire
Pressure signal acquisition terminal is separately connected the 1st resistance one end and the 26th capacitor one end, and the 26th capacitor other end is grounded, and the 1st resistance is another
End the 1st inductance one end of connection, the 1st inductance other end are separately connected the 2nd capacitor one end and the 3rd capacitor one end, the 2nd capacitor other end
Ground connection, the 3rd capacitor other end are separately connected the 2nd inductance one end, the 2nd resistance one end and the 3rd resistance one end, the 2nd inductance other end
It is separately connected the 1st capacitor one end and power end, the 1st capacitor other end ground connection, the 2nd resistance other end and the 3rd resistance other end connect
Pressure sensor signal collection terminal is connect, the 1st crystal oscillator connects pressure sensor crystal oscillation signal end, and pressure sensor reference voltage end connects
Connect the 4th capacitor one end, the 4th capacitor other end ground connection, pressure sensor power end connects anode, and anode is also connected with the
5 capacitor one end, the 5th capacitor other end are separately connected battery cathode and pressure sensor earth.
3. the detection device according to claim 1 for Tire Pressure Monitor System, which is characterized in that signal transmission electricity
Road includes: that pressure sensor signal output end connects the 6th capacitor one end, and the 6th capacitor other end connects the 3rd inductance one end, the 3rd electricity
Feel other end connection signal and transmits chip signal input terminal, the 4th inductance one end ground connection, the transmission of the 4th inductance other end connection signal
Chip resonance signal end, radiofrequency signal end are separately connected the 7th capacitor one end, the 5th inductance one end, the 9th capacitor one end and the 10th electricity
Holding one end, the 7th capacitor other end connects the 4th resistance one end, and the 4th resistance other end connection signal transmits chip signal transmitting terminal,
The 8th capacitor one end of 5th inductance other end connection, the 8th capacitor other end connection signal transmission 1 end of chip radio frequency signal acquisition, the 9th
Capacitor other end connection signal transmits 2 end of chip radio frequency signal acquisition, the 10th capacitor other end ground connection, and signal transmits chip logic
Input terminal is separately connected the 11st capacitor one end, the 12nd capacitor one end and the 13rd capacitor one end, the 11st capacitor other end, the 12nd capacitor
It is grounded after the other end and the connection of the 13rd capacitor other end, the 2nd crystal oscillator one end connects the 14th capacitor one end, and the 14th capacitor other end connects
Signal transmission 1 end of chip crystal oscillation signal is connect, the 2nd crystal oscillator other end connects the 15th capacitor one end, the 15th capacitor other end connection letter
Number transmission 2 end of chip crystal oscillation signal, signal transmit chip reference signal end connect the 16th capacitor one end, the 16th another termination of capacitor
Ground, signal transmission chip digital signal end are separately connected the 20th capacitor one end, the 8th resistance one end and the 9th resistance one end, the 9th electricity
The resistance other end is separately connected signal transmission chip data output end and the 21st capacitor one end, and the 20th capacitor other end is separately connected the
The 9 resistance other ends and the 7th resistance one end, the 7th resistance other end connect the 17th capacitor one end.
4. the detection device according to claim 1 for Tire Pressure Monitor System, which is characterized in that WiFi circuitry packet
Include: the 21st capacitor other end connects WiFi chip signal input part, and WiFi chip aerial signal reads end and connects the 10th resistance one
End, the 10th resistance other end connect antenna, and WiFi chip aerial signal transmitting terminal connects the 11st resistance one end, and the 11st resistance is another
End the 22nd capacitor one end of connection, the 22nd capacitor other end connect antenna, and WiFi chip signal sending end connects optocoupler positive terminal,
WiFi chip synchronization signal end connects optocoupler negative pole end, and optocoupler emitter connects relay coil one end, and relay coil is another
End connection relay normally open contact one end, the relay normally open contact other end connect optocoupler collector, the power supply of WiFi chip battery
End is separately connected the 24th capacitor one end and the 13rd resistance one end, and the 13rd resistance other end connects WiFi chip power end, WiFi core
Piece voltage signal end connects the 12nd resistance one end.
5. a kind of detection working method for Tire Pressure Monitor System, which comprises the steps of:
Several tire pressure detecting devices are fixed on each hub centre position by S1, and three snorkel one end connect air faucet of tire, threeway
The tracheae other end connects the pressure transmitter inside tire pressure detecting device, pressure transmitter real-time detection vehicle tire pressure；
S2, wireless PLC controller are wirelessly connected each tire pressure detecting device respectively, the tire pressure obtained by wireless PLC controller
Data carry out real-time display by display, send regulating command by wireless PLC controller；
S3 after WiFi circuitry receives regulating command, is obtained by opening and closing electromagnetism valve events and is adjusted tire pressure data information in real time, by tire
The tire pressure data that pressure detection device obtains are compared with the tire pressure data that automobile carries system for detecting tire pressure, to judge automobile
Whether included system for detecting tire pressure works normally.
6. the detection working method according to claim 5 for Tire Pressure Monitor System, which is characterized in that the S1
Include:
S1-1 initializes the pressure transmitter and solenoid valve of each tire before pressure transmitter acquires tire pressure data
Setting sends work feedback command, if any one pressure transmitter or solenoid valve do not have feedback operation signal, carries out
Alarm；
S1-2 demarcates the pressure transmitter of each wheel, setting alarm referential data；To each vehicle after being provided with
For tire full of tire pressure is recommended, the pressure transmitter of each tire carries out pressure data acquisition, will be in the pressure transmitter of automobile
The pressure value that the pressure value of measurement carries system for detecting tire pressure detection with automobile compares, and executes if numerical value is consistent
S2 alarms if the numerical value of measurement is inconsistent.
7. the detection working method according to claim 5 for Tire Pressure Monitor System, which is characterized in that the S2
Include:
S2-1, wireless PLC controller obtain the tire pressure data of pressure transmitter, carry out deflation detection, detection point to each tire
For tire static detection: single tire list inspection and polyembryony are the same as inspection；
Operation phase detection: detection, detection of giving it the gun, emergency stop detection and Reduced Speed Now detection are driven at a constant speed；
S2-2, the tire pressure detecting device that the near front wheel is arranged is the first tire pressure detecting device, off-front wheel is the second tire pressure detecting device,
Left rear wheel is third tire pressure detecting device and off hind wheel is the 4th tire pressure detecting device；
S2-3, the single tire list inspection operation of progress, the first tire pressure detecting device acquire the near front wheel and recommend tire pressure value, and certainly with automobile
Band system for detecting tire pressure atmospheric pressure value compares, and sends PID control instruction by wireless PLC controller if consistent, and signal passes
It transmits electricity after road forms pwm pulse signal and sends the instruction of the near front wheel working electromagnet valve opening, be sent to the by the first WiFi circuitry
One relay, the first relay controls the near front wheel working electromagnet valve opening, according to preset first electromagnetism valve opening time, to vehicle
Tire carries out pressure discharge operations, and the first tire pressure detecting device detects pressure state in pressure leak process, until pressure release tire pressure to needed for detecting
Value obtains the tire pressure value in pressure release stage by carrying system for detecting tire pressure with automobile and is compared, if automobile carries tire pressure
The tire pressure value of detection system does not change, then alarms, if automobile carries the tire pressure value and detection of system for detecting tire pressure
Required tire pressure value is consistent, then performs the next step；
S2-4, the second tire pressure detecting device acquires off-front wheel and recommends tire pressure value, and carries system for detecting tire pressure gas with automobile
Pressure value compares, and sends PID control instruction by wireless PLC controller if consistent, and signal circuit forms pwm pulse
The instruction of off-front wheel working electromagnet valve opening is sent after signal, and the second relay, the second relay are sent to by the second WiFi circuitry
Device controls off-front wheel working electromagnet valve and opens, and according to preset electromagnetism valve opening time, carries out pressure discharge operations, pressure release to tire
The second tire pressure detecting device detects pressure state in journey, until pressure release tire pressure value to needed for detecting, by carrying tire pressure with automobile
The tire pressure value that detection system obtains the pressure release stage is compared, if the tire pressure value that automobile carries system for detecting tire pressure does not occur
Variation, then alarm, if the tire pressure value that automobile carries system for detecting tire pressure is consistent with required tire pressure value is detected, executes
In next step；
S2-5, third tire pressure detecting device acquires left rear wheel and recommends tire pressure value, and carries system for detecting tire pressure gas with automobile
Pressure value compares, and sends PID control instruction by wireless PLC controller if consistent, and signal circuit forms pwm pulse
The instruction of left rear wheel working electromagnet valve opening is sent after signal, and third relay, third relay are sent to by third WiFi circuitry
Device controls left rear wheel working electromagnet valve and opens, and according to preset electromagnetism valve opening time, carries out pressure discharge operations, pressure release to tire
Third tire pressure detecting device detects pressure state in journey, until pressure release tire pressure value to needed for detecting, by carrying tire pressure with automobile
The tire pressure value that detection system obtains the pressure release stage is compared, if the tire pressure value that automobile carries system for detecting tire pressure does not occur
Variation, then alarm, if the tire pressure value that automobile carries system for detecting tire pressure is consistent with required tire pressure value is detected, executes
In next step；
S2-6, the 4th tire pressure detecting device acquires off hind wheel and recommends tire pressure value, and carries system for detecting tire pressure gas with automobile
Pressure value compares, and sends PID control instruction by wireless PLC controller if consistent, and signal circuit forms pwm pulse
The instruction of off hind wheel working electromagnet valve opening is sent after signal, and the 4th relay, the 4th relay are sent to by the 4th WiFi circuitry
Device controls off hind wheel working electromagnet valve and opens, and according to preset electromagnetism valve opening time, carries out pressure discharge operations, pressure release to tire
The 4th tire pressure detecting device detects pressure state in journey, until pressure release tire pressure value to needed for detecting, by carrying tire pressure with automobile
The tire pressure value that detection system obtains the pressure release stage is compared, if the tire pressure value that automobile carries system for detecting tire pressure does not occur
Variation, then alarm, if the tire pressure value that automobile carries system for detecting tire pressure is consistent with required tire pressure value is detected, executes
In next step；
Above-mentioned S2-3 to S2-6 is successively executed in sequence and is stored corresponding tire pressure comparison data and alert data, and is sent
To cloud server, after tire pressure each for sequence detection clearly can individually reduce a tire pressure, to other tyre pressures
The influence of power numerical value provides tire pressure detecting device perfect data samples；
S2-7 is finished after single tire list inspection, starts polyembryony with process is examined, examined by wireless PLC controller to four tire pressures
It surveys device and sends PID control instruction simultaneously, signal circuit is sent to the near front wheel work electricity after forming pwm pulse signal simultaneously
Magnet valve, off-front wheel working electromagnet valve, left rear wheel working electromagnet valve, off hind wheel working electromagnet valve opening instruction, each tire according to
Preset electromagnetism valve opening time carries out pressure discharge operations to tire, and four tire pressure detecting devices detect pressure shape in pressure leak process
State, until pressure release tire pressure value to needed for detecting, by carrying the tire pressure value that system for detecting tire pressure obtains the pressure release stage with automobile
It is compared, if the tire pressure value that automobile carries system for detecting tire pressure does not change, alarms, if automobile carries tire
It presses the tire pressure value of detection system consistent with required tire pressure value is detected, then performs the next step；
S2-8 instructs progress tire pressure detection to be in close state vehicle ignition switch in stationary vehicle by linkage,
The air pressure of adjustment any one tire of vehicle switchs to opening state to vehicle ignition switch to tire pressure is recommended in certain time
State, if automobile carries tire pressure detecting device when system for detecting tire pressure issues undervoltage warning signal and is judged as that tire pressure detection is normal,
If automobile, which carries tire pressure detecting device when system for detecting tire pressure does not issue undervoltage warning signal, is judged as that tire pressure detection is abnormal；
S2-9, in dynamic test, vehicle at the uniform velocity travels some time along direct route positive direction, and automobile tire is reached certain
Then temperature adjusts the air pressure of any one tire of vehicle to tire pressure value is recommended, record tire pressure reaches recommendation tire pressure
It is worth to the time of vehicle operation value when alarm of system for detecting tire pressure abnormal tyre pressure signalling alarm equipment；If vehicle inner tube pressure detection system
After showing according to preset value, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, igniting is opened
Pass switchs to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, by whole wheels
Tire, which is inflated to vehicle, to be recommended tire pressure and resets automobile to carry system for detecting tire pressure, at this time tire pressure detecting device also stop alarm；
S2-10, vehicle at the uniform velocity travel some time along S type route positive direction, then adjust the air pressure of any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment
Time of vehicle operation value when alarm；If after system for detecting tire pressure is shown according to preset value, vehicle stops and opens vehicle igniting
Pass switchs to closed state, wait after a certain period of time, by the tire pressure data of S type route positive direction traveling by tire pressure detecting device into
Row record is read, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle
Stand a period of time, by whole tyre inflatings to vehicle recommend tire pressure and reset automobile carry system for detecting tire pressure, at this time such as
Fruit automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of positive direction traveling are recorded,
If the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is obtained by wireless PLC controller
Corresponding tire data are taken, and are shown by display；
S2-11, vehicle at the uniform velocity travel some time along direct route opposite direction, then adjust the air pressure of any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment
Time of vehicle operation value when alarm；If after system for detecting tire pressure is shown according to preset value, vehicle stops and opens vehicle igniting
Pass switchs to closed state, waits after a certain period of time, the tire pressure data that direct route opposite direction travels are passed through tire pressure detecting device
Record reading is carried out, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm condition；
Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, at this time
If automobile carries system for detecting tire pressure stop alarm, the state is recorded, the tire pressure data of opposite direction traveling are remembered
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, passes through wireless PLC controller
Corresponding tire data are obtained, and are shown by display；
S2-12, vehicle at the uniform velocity travel some time along S type route opposite direction, then adjust the air pressure of any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment
Time of vehicle operation value when alarm；If after system for detecting tire pressure is shown according to preset value, vehicle stops and opens vehicle igniting
Pass switchs to closed state, wait after a certain period of time, by the tire pressure data of S type route opposite direction traveling by tire pressure detecting device into
Row record is read, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle
Stand a period of time, by whole tyre inflatings to vehicle recommend tire pressure and reset automobile carry system for detecting tire pressure, at this time such as
Fruit automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of opposite direction traveling are recorded,
If the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is obtained by wireless PLC controller
Corresponding tire data are taken, and are shown by display；
S2-13, vehicle accelerate to travel some time along direct route positive direction, automobile tire are reached certain temperature, is then adjusted
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to tire pressure to detect for the air pressure of any one tire of vehicle
Time of vehicle operation value when system abnormal tyre pressure signalling alarm equipment is alarmed；If vehicle inner tube pressure detection system is aobvious according to preset value
After showing, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, ignition switch is switched to opening state
State, automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, by whole tyre inflatings to vehicle
Recommend tire pressure simultaneously to reset automobile and carry system for detecting tire pressure, at this time tire pressure detecting device also stop alarm；
S2-14, vehicle accelerate to travel some time along S type route positive direction, then adjust the air pressure of any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment
Time of vehicle operation value when alarm；If after system for detecting tire pressure is shown according to preset value, vehicle stops and opens vehicle igniting
Pass switchs to closed state, wait after a certain period of time, by the tire pressure data of S type route positive direction traveling by tire pressure detecting device into
Row record is read, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle
Stand a period of time, by whole tyre inflatings to vehicle recommend tire pressure and reset automobile carry system for detecting tire pressure, at this time such as
Fruit automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of positive direction traveling are recorded,
If the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is obtained by wireless PLC controller
Corresponding tire data are taken, and are shown by display；
S2-15, vehicle accelerate to travel some time along direct route opposite direction, then adjust the air pressure of any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment
Time of vehicle operation value when alarm；If after system for detecting tire pressure is shown according to preset value, vehicle stops and opens vehicle igniting
Pass switchs to closed state, waits after a certain period of time, the tire pressure data that direct route opposite direction travels are passed through tire pressure detecting device
Record reading is carried out, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm condition；
Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, at this time
If automobile carries system for detecting tire pressure stop alarm, the state is recorded, the tire pressure data of opposite direction traveling are remembered
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, passes through wireless PLC controller
Corresponding tire data are obtained, and are shown by display；
S2-16, vehicle accelerate to travel some time along S type route opposite direction, then adjust the air pressure of any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment
Time of vehicle operation value when alarm；If after system for detecting tire pressure is shown according to preset value, vehicle stops and opens vehicle igniting
Pass switchs to closed state, wait after a certain period of time, by the tire pressure data of S type route opposite direction traveling by tire pressure detecting device into
Row record is read, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle
Stand a period of time, by whole tyre inflatings to vehicle recommend tire pressure and reset automobile carry system for detecting tire pressure, at this time such as
Fruit automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of opposite direction traveling are recorded,
If the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is obtained by wireless PLC controller
Corresponding tire data are taken, and are shown by display.
8. the detection working method according to claim 7 for Tire Pressure Monitor System, which is characterized in that the S2
Further include:
S2-17 after the vehicle driving some time, carries out emergency stop operation, and during emergency stop, record tire pressure reaches recommendation wheel nausea
Pressure is worth to the time of vehicle operation value when alarm of system for detecting tire pressure abnormal tyre pressure signalling alarm equipment；If system for detecting tire pressure is pressed
After showing according to preset value, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, by ignition switch
Switch to open state, automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, by whole tires
It is inflated to vehicle to recommend tire pressure and reset the included system for detecting tire pressure of automobile, at this time if automobile carries system for detecting tire pressure and stops
Alarm, then record the state, and the tire pressure data of opposite direction traveling are recorded, if automobile carries system for detecting tire pressure still
So still tire pressure detecting device is not alarmed for alarm, then obtains corresponding tire data by wireless PLC controller, and pass through display
It is shown；Since tire pressure value has the phenomenon that skyrockets during emergency stop, alarm if carrying system for detecting tire pressure in automobile
It has been shown that, but tire pressure detecting device is not alarmed, then assert and carry system for detecting tire pressure failure in automobile, if in automobile
The included non-alarm indication of system for detecting tire pressure, tire pressure detecting device are not also alarmed, then assert and carry tire pressure inspection in automobile
Examining system fault-free；
S2-18, vehicle deceleration travel some time along direct route positive direction, automobile tire are reached certain temperature, is then adjusted
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to tire pressure to detect for the air pressure of any one tire of vehicle
Time of vehicle operation value when system abnormal tyre pressure signalling alarm equipment is alarmed；If vehicle inner tube pressure detection system is aobvious according to preset value
After showing, vehicle stops and vehicle ignition switch is switched to closed state, waits after a certain period of time, ignition switch is switched to opening state
State, automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle stands a period of time, by whole tyre inflatings to vehicle
Recommend tire pressure simultaneously to reset automobile and carry system for detecting tire pressure, at this time tire pressure detecting device also stop alarm；
S2-19, vehicle deceleration travel some time along S type route positive direction, then adjust the air pressure of any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment
Time of vehicle operation value when alarm；If after system for detecting tire pressure is shown according to preset value, vehicle stops and opens vehicle igniting
Pass switchs to closed state, wait after a certain period of time, by the tire pressure data of S type route positive direction traveling by tire pressure detecting device into
Row record is read, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle
Stand a period of time, by whole tyre inflatings to vehicle recommend tire pressure and reset automobile carry system for detecting tire pressure, at this time such as
Fruit automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of positive direction traveling are recorded,
If the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is obtained by wireless PLC controller
Corresponding tire data are taken, and are shown by display；
S2-20, vehicle deceleration travel some time along direct route opposite direction, then adjust the air pressure of any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment
Time of vehicle operation value when alarm；If after system for detecting tire pressure is shown according to preset value, vehicle stops and opens vehicle igniting
Pass switchs to closed state, waits after a certain period of time, the tire pressure data that direct route opposite direction travels are passed through tire pressure detecting device
Record reading is carried out, ignition switch is then switched into open state, automobile, which carries system for detecting tire pressure, at this time should be alarm condition；
Vehicle stands a period of time, whole tyre inflatings to vehicle is recommended tire pressure and reset automobile carrying system for detecting tire pressure, at this time
If automobile carries system for detecting tire pressure stop alarm, the state is recorded, the tire pressure data of opposite direction traveling are remembered
Record, if the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, passes through wireless PLC controller
Corresponding tire data are obtained, and are shown by display；
S2-21, vehicle deceleration travel some time along S type route opposite direction, then adjust the air pressure of any one tire of vehicle
To tire pressure value is recommended, record tire pressure, which reaches, recommends tire pressure value to system for detecting tire pressure abnormal tyre pressure signalling alarm equipment
Time of vehicle operation value when alarm；If after system for detecting tire pressure is shown according to preset value, vehicle stops and opens vehicle igniting
Pass switchs to closed state, wait after a certain period of time, by the tire pressure data of S type route opposite direction traveling by tire pressure detecting device into
Row record is read, and ignition switch is then switched to open state, and automobile, which carries system for detecting tire pressure, at this time should be alarm condition；Vehicle
Stand a period of time, by whole tyre inflatings to vehicle recommend tire pressure and reset automobile carry system for detecting tire pressure, at this time such as
Fruit automobile carries system for detecting tire pressure stop alarm, then records the state, and the tire pressure data of opposite direction traveling are recorded,
If the included system for detecting tire pressure of automobile is still alarmed but tire pressure detecting device is not alarmed, is obtained by wireless PLC controller
Corresponding tire data are taken, and are shown by display.
9. the detection working method according to claim 5 for Tire Pressure Monitor System, which is characterized in that the S3
Include:
S3-1, in vehicle stop state, the aperture of electromagnetic valve for adjusting, carries out tire pressure state by tire pressure detecting device respectively
Real-time detection obtains the critical value A1 of tire pressure alarm, the electromagnetism valve opening of the state and deflation duration is recorded, together
When by automobile carry system for detecting tire pressure carry out tire pressure alarm critical value carry out record B1, A1 and B1 are compared, obtain
Difference between the two, and calibration adjustment is carried out to B1；
S3-2, in vehicle uniform rectilinear's positive direction driving status, the aperture of electromagnetic valve for adjusting, passes through tire pressure detecting device respectively
Tire pressure state is measured in real time, the critical value A2 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, and when deflation
Length is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B2, by A2 and B2
It is compared, obtains difference between the two, and calibration adjustment is carried out to B2；
S3-3, in vehicle at the uniform velocity S type positive direction driving status, the aperture of electromagnetic valve for adjusting, passes through tire pressure detecting device respectively
Tire pressure state is measured in real time, the critical value A3 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, and when deflation
Length is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B3, by A3 and B3
It is compared, obtains difference between the two, and calibration adjustment is carried out to B3；
S3-4, when vehicle accelerates straight line positive direction driving status, the aperture of electromagnetic valve for adjusting, passes through tire pressure detecting device respectively
Tire pressure state is measured in real time, the critical value A4 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, and when deflation
Length is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B4, by A4 and B4
It is compared, obtains difference between the two, and calibration adjustment is carried out to B4；
S3-5, when vehicle accelerates S type positive direction driving status, the aperture of electromagnetic valve for adjusting, passes through tire pressure detecting device respectively
Tire pressure state is measured in real time, the critical value A5 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, and when deflation
Length is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B5, by A5 and B5
It is compared, obtains difference between the two, and calibration adjustment is carried out to B5；
S3-6, in vehicle emergency stop state, the aperture of electromagnetic valve for adjusting, carries out tire pressure state by tire pressure detecting device respectively
Real-time detection obtains the critical value A6 of tire pressure alarm, the electromagnetism valve opening of the state and deflation duration is recorded, together
When by automobile carry system for detecting tire pressure carry out tire pressure alarm critical value carry out record B6, A6 and B6 are compared, obtain
Difference between the two, and calibration adjustment is carried out to B6；
S3-7, in vehicle deceleration straight line positive direction driving status, the aperture of electromagnetic valve for adjusting, passes through tire pressure detecting device respectively
Tire pressure state is measured in real time, the critical value A7 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, and when deflation
Length is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B7, by A7 and B7
It is compared, obtains difference between the two, and calibration adjustment is carried out to B7；
S3-8, in vehicle deceleration S type positive direction driving status, the aperture of electromagnetic valve for adjusting, passes through tire pressure detecting device respectively
Tire pressure state is measured in real time, the critical value A8 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, and when deflation
Length is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B8, by A8 and B8
It is compared, obtains difference between the two, and calibration adjustment is carried out to B8；
S3-9, in vehicle uniform rectilinear's opposite direction driving status, the aperture of electromagnetic valve for adjusting, passes through tire pressure detecting device respectively
Tire pressure state is measured in real time, the critical value A9 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, and when deflation
Length is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B9, by A9 and B9
It is compared, obtains difference between the two, and calibration adjustment is carried out to B9；
S3-10, in vehicle at the uniform velocity S type opposite direction driving status, the aperture of electromagnetic valve for adjusting, passes through tire pressure detecting device respectively
Tire pressure state is measured in real time, the critical value A10 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, and is deflated
Duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B10, by A10
It is compared with B10, obtains difference between the two, and calibration adjustment is carried out to B10；
S3-11, when vehicle accelerates straight line opposite direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure and is filled respectively
It sets and tire pressure state is measured in real time, the critical value A11 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B11, will
A11 and B11 are compared, and obtain difference between the two, and carry out calibration adjustment to B11；
S3-12, when vehicle accelerates S type opposite direction driving status, the aperture of electromagnetic valve for adjusting, passes through tire pressure detecting device respectively
Tire pressure state is measured in real time, the critical value A12 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, and is deflated
Duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B12, by A12
It is compared with B12, obtains difference between the two, and calibration adjustment is carried out to B12；
S3-13, in vehicle emergency stop state, respectively electromagnetic valve for adjusting aperture, by tire pressure detecting device to tire pressure state into
Row real-time detection obtains the critical value A13 of tire pressure alarm, the electromagnetism valve opening of the state and deflation duration is recorded,
The critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is subjected to record B13 simultaneously, A13 and B13 are compared,
Difference between the two is obtained, and calibration adjustment is carried out to B13；
S3-14, in vehicle deceleration straight line opposite direction driving status, the aperture of electromagnetic valve for adjusting, is detected by tire pressure and is filled respectively
It sets and tire pressure state is measured in real time, the critical value A14 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, Yi Jifang
Gas duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B14, will
A14 and B14 are compared, and obtain difference between the two, and carry out calibration adjustment to B14；
S3-15, in vehicle deceleration S type opposite direction driving status, the aperture of electromagnetic valve for adjusting, passes through tire pressure detecting device respectively
Tire pressure state is measured in real time, the critical value A15 of tire pressure alarm is obtained, by the electromagnetism valve opening of the state, and is deflated
Duration is recorded, while the critical value that automobile carries system for detecting tire pressure progress tire pressure alarm is carried out record B15, by A15
It is compared with B15, obtains difference between the two, and calibration adjustment is carried out to B15；
S3-16 successively executes operation by S3-1 to S3-15, carries out data acquisition by tire pressure detecting device and data are transmitted, from
And accurately obtain automobile carry system for detecting tire pressure operating status, and can in time by automobile carry system for detecting tire pressure into
Row calibration.
10. a kind of new-energy automobile, which is characterized in that including the described in any item tire pressure detecting devices of claim 1-4.
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| CN112902874A (en) * | 2021-01-19 | 2021-06-04 | 中国汽车工程研究院股份有限公司 | Image acquisition device and method, image processing method and device and image processing system |
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| CN105398292A (en) * | 2015-12-10 | 2016-03-16 | 河北工业大学 | Automobile tyre pressure monitoring and control system |
| CN209051250U (en) * | 2018-11-21 | 2019-07-02 | 中国汽车工程研究院股份有限公司 | Detection device for Tire Pressure Monitor System |
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| CN1250337A (en) * | 1998-08-07 | 2000-04-12 | 朗迅科技公司 | Intermittent and low bandwidth radio data network and its operating method |
| CN1960824A (en) * | 2004-05-26 | 2007-05-09 | 奥地利钢铁联合企业阿尔卑斯工业设备制造有限公司 | Continuous casting plant comprising at least one robot, and method for the operation of a continuous casting plant by incorporating at least one robot |
| CN105398292A (en) * | 2015-12-10 | 2016-03-16 | 河北工业大学 | Automobile tyre pressure monitoring and control system |
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| CN112902874A (en) * | 2021-01-19 | 2021-06-04 | 中国汽车工程研究院股份有限公司 | Image acquisition device and method, image processing method and device and image processing system |
| CN112902874B (en) * | 2021-01-19 | 2022-09-27 | 中国汽车工程研究院股份有限公司 | Image acquisition device and method, image processing method and device and image processing system |
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