CN106347041A - Bluetooth tire-pressure monitoring system - Google Patents
Bluetooth tire-pressure monitoring system Download PDFInfo
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- CN106347041A CN106347041A CN201610811558.7A CN201610811558A CN106347041A CN 106347041 A CN106347041 A CN 106347041A CN 201610811558 A CN201610811558 A CN 201610811558A CN 106347041 A CN106347041 A CN 106347041A
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- Prior art keywords
- main frame
- tire
- sensor
- bluetooth
- user
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- 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
- B60C23/0415—Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels
- B60C23/0416—Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels allocating a corresponding wheel position on vehicle, e.g. front/left or rear/right
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60C23/0447—Wheel or tyre mounted circuits
- B60C23/0455—Transmission control of wireless signals
- B60C23/0462—Structure of transmission protocol
-
- 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
- B60C23/0479—Communicating with external units being not part of the vehicle, e.g. tools for diagnostic, mobile phones, electronic keys or service stations
-
- 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
- B60C23/20—Devices for measuring or signalling tyre temperature only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a Bluetooth tire-pressure monitoring system which comprises a plurality of sensors and receiving equipment. The sensors are provided with built-in first Bluetooth modules, air pressure values and temperature values of tires can be detected by the sensors and can be transmitted to the receiving equipment, and audible and visual alarm effects can be realized by the receiving equipment when the tires are abnormal; the receiving equipment is provided with a first directional antenna and a second directional antenna; the receiving equipment can be in a matching mode by the aid of users when the tires are required to be subjected to matching again, the sensors can be awaken by bidirectional functions of Bluetooth, a unique ID (identification) address code of each sensor can be transmitted to the receiving equipment by the sensor, or manual deflation matching can be carried out on the tires by the users; the locations of the tires can be judged by the receiving equipment according to RSSI (received signal strength indicator) values of the first directional antenna and the second directional antenna after the matched tires are repositioned by the users, and can be automatically adjusted; data of the tires can be transmitted to the receiving equipment in selected passive modes or active modes of the sensors and the receiving equipment. The Bluetooth tire-pressure monitoring system has the advantages that the Bluetooth tire-pressure monitoring system has tire abnormal alarm functions, accordingly, the safety can be enhanced, and loss can be reduced.
Description
Technical field
The present invention relates to vehicle tyre pressure monitoring field, particularly to a kind of bluetooth tire pressure monitoring system.
Background technology
With social development, vehicle becomes the main trip instrument of people, and the vehicle accident leading to due to blowing out causes
Economic loss and personal safety.Due to car owner generally all cannot specialty detection tire, can only mode by visual observation examining
Look into tire condition, thus ignoring the problem of tire other side, example run at high speed the high temperature that pavement friction causes, travel
The problems such as prick nail gas leakage, these problems all can cause tyre explosion, gently then leads to loss economically, heavy then lead on the person
Safety.
Content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, provides one kind to have tire different
Often warning function, the bluetooth tire pressure monitoring system strengthening safety, reducing loss.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of bluetooth tire pressure monitoring system, including
The sensor of multiple built-in first bluetooth modules and receiving device, each described sensor is installed on the valve of the corresponding tire of vehicle
Place, the atmospheric pressure value of described sensor detection tire and temperature value are simultaneously sent to described reception by described first bluetooth module
When equipment, the atmospheric pressure value of described tire or temperature value are abnormal, described receiving device carries out sound and light alarm；Described receiving device is provided with
First direction antenna and second direction antenna, when again mating tire, described receiving device is entered match pattern, profit by user
Wake up described sensor with the two-way function of bluetooth, it is blue that its unique id address code is passed through described first by each described sensor
Tooth module is sent to described receiving device, or user is by coupling that tire is exitted manually；When described user will match
Tire changing position after, after described receiving device receives the signal of described sensor, according to described first direction antenna and
Rssi (received signal strength indication, the signal intensity instruction of the reception) value of second direction antenna
Judge the position of described tire, and the position of tire described in adjust automatically；Quilt is selected between described sensor and receiving device
Dynamic model formula or aggressive mode transmission tire data give described receiving device；Described receiving device includes built-in second bluetooth module simultaneously
It is provided with the first main frame of display, and built-in 3rd bluetooth module be provided with first mobile terminal of monitoring app.
In bluetooth tire pressure monitoring system of the present invention, described receiving device also includes built-in 4th bluetooth module simultaneously
The repeater that forwards for signal and amplify, Bluetooth receptions head, built-in 5th bluetooth module are simultaneously provided with second shifting of monitoring app
Dynamic terminal, second main frame with display and dvd, one end of described repeater is wirelessly connected with described first bluetooth module,
The other end of described repeater is wirelessly connected with described second mobile terminal, the second main frame and dvd respectively, described Bluetooth receptions head
Two ends be wirelessly connected with described first bluetooth module and dvd respectively.
In bluetooth tire pressure monitoring system of the present invention, under the atmospheric pressure value of described tire is in the first setting time
During fall, or the temperature of described tire more than 80 degree or set temperature value when, or the atmospheric pressure value of described tire is in the second setting time
Interior when occurring persistently raising, abnormal information and is sent to described the by radio signal by described sensor in described tire
One main frame, or described second main frame is transmitted to by described repeater, described first main frame or the second main frame send sound and light alarm；
When the atmospheric pressure value that described first main frame or the second main frame receive the described tire that described sensor sends is less than
1.8bar or first setting atmospheric pressure value, described first main frame or the second main frame send sound and light alarm；When described first main frame or
The atmospheric pressure value that two main frames receive the described tire that described sensor sends is higher than 3.2bar or second setting atmospheric pressure value, and described first
Main frame or the second main frame send sound and light alarm.
In bluetooth tire pressure monitoring system of the present invention, when user changes described sensor, described user adopts
The flow process that Auto-matching, active wake-up mode are mated comprises the steps:
A1) described user manually selects described first main frame or the second main frame enters match pattern；
A2) described first main frame or the second main frame send radio matched signal, execution step a3)；When coupling time-out,
Execution step a5)；
A3, after) described sensor receives described matched signal, send the answer signal with id address code；
A4, after) described first main frame or the second main frame receive described answer signal, described first main frame or the second main frame carry
Show that the match is successful, described user confirms that the match is successful；
A5) described first main frame or the second main frame automatically exit from match pattern, and return normal mode of operation.
In bluetooth tire pressure monitoring system of the present invention, when user changes described sensor, described user adopts
The flow process that coupling, manual wake-up mode are mated manually comprises the steps:
B1) described user manually selects described first main frame or the second main frame enters match pattern；
B2) described first main frame or the second main frame send radio matched signal, execution step b3)；When coupling time-out,
Execution step b7)；
B3) tire that described user is located to sensor to be mated manually carry out inflated for deflated manually；
B4) described sensor to be mated sends abnormal information；
B5, after) described first main frame or the second main frame receive described abnormal information, store described sensor to be mated
Id address value；
B6) the match is successful for described first main frame or the prompting of the second main frame, and described user confirms that the match is successful；
B7) described first main frame or the second main frame automatically exit from match pattern, and return normal mode of operation.
In bluetooth tire pressure monitoring system of the present invention, under normal operating conditions, described regular sensor sends one
Group data gives described first main frame or the second main frame, and described first main frame or the second main frame are according to described first direction antenna and the
The rssi value of two directional aerials is judging the residing direction of described sensor, and to position described sensor be left front in vehicle
Tire, right front fire, left rear tire or right rear fire.
In bluetooth tire pressure monitoring system of the present invention, under the atmospheric pressure value of described tire is in the first setting time
During fall, or the temperature of described tire more than 80 degree or set temperature value when, or the atmospheric pressure value of described tire is in the second setting time
When interior appearance persistently raises, abnormal information and is sent to by described first bluetooth module by described sensor in described tire
Described first mobile terminal, or described second mobile terminal, described first mobile terminal or are transmitted to by described repeater
The monitoring app of two mobile terminals has a flat tire to described user's acousto-optic hint, tyre temperature is too high or tire pressure is too high；
When the monitoring app of described first mobile terminal or the second mobile terminal receives the described tire that described sensor sends
Atmospheric pressure value be less than 1.8bar or first setting atmospheric pressure value, described first main frame or the second main frame can send acousto-optic hint；Work as institute
The monitoring app stating the first mobile terminal or the second mobile terminal receives the atmospheric pressure value of the described tire that described sensor sends and is higher than
3.2bar or second setting atmospheric pressure value, the monitoring app of described first mobile terminal or the second mobile terminal sends acousto-optic hint.
In bluetooth tire pressure monitoring system of the present invention, when user changes described sensor, described user adopts
The flow process that Auto-matching, active wake-up mode are mated comprises the steps:
C1) described user clicks on monitoring app and enters match pattern, and described sensor receives joining of described monitoring app transmission
After instruction, send pairing broadcast answer signal；
C2) described monitoring app receives described broadcast answer signal, and judges to select to produce pairing or user's pairing, is elected to
When selecting described production pairing, obtain the tire pressure value of nearest four tire by rssi location algorithm, and preserve each described biography
The id address code of sensor, execution step c3)；When selecting described user's pairing, execution step c3)；Described id address code is mac
Address；
C3) described monitoring app initiates link scanning；
C4) judge whether to scan tire pressure link, in this way, execution step c5)；Otherwise, return to step c3)；
C5) judge whether described mac address is correct, in this way, set up with described sensor and be connected, execution step c6)；No
Then, return to step c3)；
C6) judge whether successful connection, in this way, described monitoring app sends four pairing randoms number, and preserves pairing letter
Breath, execution step c7)；Otherwise, return to step c3)；
C7) judge whether pairing is fully completed, in this way, disconnect, enter tire pressure monitoring flow process；Otherwise, return to step
c3).
In bluetooth tire pressure monitoring system of the present invention, when user changes described sensor, described user adopts
The flow process that coupling, manual wake-up mode are mated manually comprises the steps:
D1) user clicks on described monitoring app and enters match pattern；
D2) described monitoring app sends pairing broadcast, execution step d3)；Or sensor is carried out with charge/discharge, described biography
Sensor carries out abnormal broadcast, execution step d3)；
D3) judge described pairing broadcast or abnormal broadcast in sensor id address code whether correct, in this way, and described
Sensor is set up and is connected, execution step d4)；Otherwise, return to step d2)；
D4) judge whether connection is successful, in this way, described sensor sends unpaired message to described monitoring app, and preserves institute
State unpaired message, execution step d5)；Otherwise, return to step d2)；
D5) judge whether that pairing completes, in this way, disconnect, and return normal mode of operation；Otherwise, return to step
d2).
In bluetooth tire pressure monitoring system of the present invention, when positioning to described sensor, execution is following to be walked
Rapid:
E1) described monitoring app sends positioning calibration command；
E2) described sensor is scanned obtaining the rssi value of four tires；
E3) judge whether the rssi value of described four tires is normal, in this way, execution step e6)；Otherwise, execution step
e4)；
E4) judge positioning time whether more than the 3rd setting time, in this way, execution step e5)；Otherwise, return to step
e2)；
E5) judge whether to have connected, in this way, send information, execution step e9 to described monitoring app)；Otherwise,
Execution step e9)；
E6) judge whether described first main frame or the second main frame are located at the front end of vehicle, in this way, judge described four tires
Rssi value in the strongest two be front-wheel, execution step e7)；Otherwise, it is determined that it is the strongest in the rssi value of described four tires
Two tires are trailing wheel, execution step e7)；
E7) when the rssi value of described first direction antenna is more than the rssi value of described second direction antenna, described first
Main frame or the second main frame judge that current sensor is located at right wheel, when the rssi value of described first direction antenna is less than described second party
To antenna rssi value when, described first main frame or the second main frame judge that current sensor is located at revolver；
E8) record location result, execution step e9)；
E9) terminate positioning.
Implement the bluetooth tire pressure monitoring system of the present invention, have the advantages that blue due to being provided with multiple built-in first
The sensor of tooth module and receiving device, the atmospheric pressure value of sensor detection tire and temperature value are simultaneously passed through the first bluetooth module
It is sent to receiving device；When atmospheric pressure value or the temperature value exception of tire, receiving device carries out sound and light alarm, and can carry out determining
To user, position, thus points out which tire there occurs exception, in order to the timely re-type of user, so its to have tire different
Often warning function, enhancing safety, minimizing loss.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, also may be used
So that other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation in one embodiment of bluetooth tire pressure monitoring system of the present invention；
Fig. 2 is that user adopts Auto-matching, master in described embodiment when receiving device is the first main frame or the second main frame
The flow chart that dynamic wake-up mode is mated；
Fig. 3 is in described embodiment when receiving device is the first main frame or the second main frame, and user is using manual coupling, handss
The flow chart that dynamic wake-up mode is mated；
Fig. 4 is that user is using certainly in described embodiment when receiving device is the first mobile terminal or the second mobile terminal
The flow chart that dynamic coupling, active wake-up mode are mated；
Fig. 5 is that user adopts handss in described embodiment when receiving device is the first mobile terminal or the second mobile terminal
The flow chart that dynamic coupling, manual wake-up mode are mated；
Fig. 6 is the flow chart in described embodiment, sensor being positioned；
Fig. 7 is the position view that in described embodiment, sensor is installed.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
In bluetooth tire pressure monitoring system embodiment of the present invention, structural representation such as Fig. 1 of this bluetooth tire pressure monitoring system
Shown.In Fig. 1, this bluetooth tire pressure monitoring system includes multiple sensors 1 and receiving device 2, and wherein, each sensor 1 is all interior
Put the first bluetooth module (in figure is to illustrate), the first bluetooth module adopts the master slave relation of bluetooth 4.0 editions or more, possesses power consumption
The advantages of low, low cost and the two-way general character；Each sensor 1 is respectively arranged at the valve of the corresponding tire of vehicle, and sensor 1 is pacified
The position view of dress refers to Fig. 7.Generally four tires of vehicle are defined as, are made reference with driver, by four of vehicle
Tire is respectively designated as left front tire, right front fire, left rear tire and right rear fire, is respectively mounted one at the valve of each tire
Sensor 1.Above-mentioned vehicle can be automobile, electric motor car, booster motorcycle or motorcycle etc..Receiving device 2 is provided with first direction
Antenna x and second direction antenna y.Certainly, this bluetooth tire pressure monitoring system also include printed circuit board (PCB) and battery etc. (in figure be show
Go out).First direction antenna x layout on a printed circuit is x direction, second direction antenna y cloth on a printed circuit
Office is y direction.Sense that signal produces an angle function by first direction antenna x and second direction antenna y, thus coming
The direction of identification sensor 1.
In the present embodiment, sensor 1 detects atmospheric pressure value and the temperature value of tire, and is passed through the first bluetooth module transmission
To receiving device 2, when atmospheric pressure value or the temperature value exception of tire, receiving device 2 carries out sound and light alarm.When user is because some former
During because needing again to mate tire, receiving device is entered match pattern by user, and the two-way function using bluetooth wakes up sensor
1, its unique id address code is sent to receiving device 2 by the first bluetooth module by each sensor 1, or user passes through to wheel
Tire is exitted coupling manually；In the present embodiment, id address code is mac address.
In the present embodiment, after user is by the tire changing matching position, receiving device 2 receives the letter of sensor 1
The position of tire after number, is judged according to the rssi value of first direction antenna x and second direction antenna y, thus without user's weight
New re-type, receiving device 2 can be with the position of adjust automatically tire.
In the present embodiment, receiving device 2 includes the first main frame 21 and the first mobile terminal 22, wherein, in the first main frame 21
Put the second bluetooth module and be provided with display (not shown), display can be lcd display or band numeral is aobvious
Show the solar energy display of function, or display etc. at the insertion ignition head with numerical monitor.First mobile terminal 22 is built-in
3rd bluetooth module is simultaneously provided with monitoring app (not shown).Traditional tire pressure product, in order to save power consumption, often a few minutes
Transmit a secondary data, do not retransmit data after parking, and the bluetooth tire pressure monitoring system of the present invention utilizes the two-way communication of bluetooth
Function, can inquire about in real time tire air pressure and temperature situations such as.
In the present embodiment, mode of operation has two kinds, can select Passive Mode or master between sensor 1 and receiving device 2
Dynamic model formula transmission tire data is to receiving device 2.The monitoring app that aggressive mode refers to the first mobile terminal 22 passes through bluetooth master
Dynamic wake-up sensor 1, tire present situation is sent to the pattern of the first main frame 21 by sensor 1 again；Passive Mode refers to vehicle row
In sailing, sensor 1 is waken up and periodically tire as-is data is sent to mobile terminal.In the active mode, the average work(of sensor 1
Consumption is less than 5ua；In the passive mode, the average power consumption of sensor 1 is less than 3ua.In the present embodiment, system default selects by dynamic model
Formula, thus saving the battery electric quantity of sensor 1.In the present embodiment, when tire abnormal, sensor 1 all can actively be waken up
Come and send abnormal alarm.
In the present embodiment, because when the atmospheric pressure value of tire or temperature value are abnormal, receiving device 2 can carry out sound and light alarm,
And can be positioned, thus point out which tire there occurs exception to user, in order to the timely re-type of user, so its
There is abnormal tyre warning function, strengthen safety, reduce loss.
In the present embodiment, receiving device 2 also includes repeater 23, Bluetooth receptions head 24, second mobile terminal the 25, second master
Machine 26 and dvd27, wherein, the built-in 4th bluetooth module (not shown) of repeater 23 simultaneously forwards for signal, and second is mobile
Built-in 5th bluetooth module of terminal 25 is simultaneously provided with monitoring app (not shown), one end of repeater 23 and the first bluetooth mould
Block wirelessly connects, and the other end of repeater 23 is wirelessly connected with the second mobile terminal 25, the second main frame 26 and dvd27 respectively, blue
The two ends of tooth reception 24 are wirelessly connected with the first bluetooth module and dvd27 respectively.
In the present embodiment, when in the first setting time, degradation to the atmospheric pressure value of tire in (in the short time), pass
Abnormal information and is sent to by radio signal (radio signal such as ble bluetooth, 433.92 channels) by sensor 1 in tire
First main frame 21, or the second main frame 26 is transmitted to by repeater 23, tell that the first main frame 21 or the second main frame 26 tire occur
Extremely, the first main frame 21 or the second main frame 26 send sound and light alarm.Above-mentioned first setting time is 4 seconds.
When tire in high speed fast running, the heat that tire plastic cement and ground friction cause, general vehicle travel tens
Will generate heat after minute, but have the cooling of wind in travelling, so bulk temperature is at 60 degree about, but if weather, surface conditions
Special can cause tire high temperature, have a rest so usually requiring that and often opening four hours.In the present embodiment, when tire is when long
Between when working, because the reasons such as friction lead to tyre temperature too high, more than 80 degree or user set temperature value when, sensor 1
Abnormal information in tire and is sent to first by radio signal (radio signal such as ble bluetooth, 433.92 channels)
Main frame 21, or the second main frame 26 is transmitted to by repeater 23, tell that the first main frame 21 or the second main frame 26 tire occur extremely,
First main frame 21 or the second main frame 26 send sound and light alarm.
After the temperature inflating excess or tire raises, the tire pressure of tire all can raise, when the pressure of tire rises to one
After definite value, if also continuing to traveling may cause accident.In the present embodiment, when the atmospheric pressure value of tire is in the second setting time
When persistently raising occurs in (in the short time), sensor 1 by tire occur abnormal information pass through radio signal (ble bluetooth,
The radio signals such as 433.92 channels) it is sent to the first main frame 21, or the second main frame 26 is transmitted to by repeater 23, tell
One main frame 21 or the second main frame 26 tire occur extremely, and the first main frame 21 or the second main frame 26 send sound and light alarm.
When the first main frame 21 or the second main frame 26 receive the atmospheric pressure value of the tire that sensor sends less than 1.8bar or first
Set atmospheric pressure value, the first main frame 21 or the second main frame 26 send sound and light alarm；When the first main frame 21 or the second main frame 26 receive biography
The atmospheric pressure value of the tire that sensor sends is higher than 3.2bar or second setting atmospheric pressure value, and the first main frame 21 or the second main frame 26 send sound
Light alarm.
When user needs more emat sensor 1 because of some reasons, if now receiving device 2 is that the first main frame 21 or second is main
Machine 26, then the flow chart that user is mated using Auto-matching, active wake-up mode is as shown in Figure 2.In Fig. 2, it is carried out
The flow process joined comprises the steps:
Step s11 user manually selects the first main frame or the second main frame enters match pattern: in this step, user selects manually
Select the first main frame or the second main frame enters match pattern.
Step s12 first main frame or the second main frame send radio matched signal: in this step, the first main frame or second is led
Machine sends radio matched signal.This step, execution step s13 are executed.When coupling time-out, execution step s15.
After step s13 sensor receives matched signal, send the answer signal with id address code: in this step, sensor
After receiving matched signal, send the answer signal with id address code.
After step s14 first main frame or the second main frame receive answer signal, the first main frame or the prompting of the second main frame are mated into
Work(, user confirms that the match is successful: in this step, after the first main frame or the second main frame receive answer signal, the first main frame or second
The match is successful for main frame prompting, and user confirms that the match is successful.
Step s15 first main frame or the second main frame automatically exit from match pattern, and return normal mode of operation: this step
In, the first main frame or the second main frame automatically exit from match pattern, and return normal mode of operation.
When user needs more emat sensor 1 because of some reasons, if now receiving device 2 is that the first main frame 21 or second is main
Machine 26, then the flow chart that user is mated using manual coupling, manual wake-up mode is as shown in Figure 3.In Fig. 3, it is carried out
The flow process joined comprises the steps:
Step s21 user manually selects the first main frame or the second main frame enters match pattern: in this step, user selects manually
Select the first main frame or the second main frame enters match pattern.
Step s22 first main frame or the second main frame send radio matched signal: in this step, the first main frame or second is led
Machine sends radio matched signal.This step, execution step s23 are executed.When coupling time-out, execution step s27.
The tire that step s23 user is located to sensor to be mated manually carries out inflated for deflated manually: this step
In, user carries out inflated for deflated manually manually to the tire at sensor place to be mated.
Step s24 sensor to be mated sends abnormal information: in this step, sensor to be mated sends exception
Information.
After step s25 first main frame or the second main frame receive abnormal information, store the id address of sensor to be mated
Value: in this step, after the first main frame or the second main frame receive abnormal information, store the id address value of sensor to be mated.
The match is successful for step s26 first main frame or the prompting of the second main frame, and user confirms that the match is successful: in this step, first
The match is successful for main frame or the prompting of the second main frame, and user confirms that the match is successful.
Step s27 first main frame or the second main frame automatically exit from match pattern, and return normal mode of operation: this step
In, the first main frame or the second main frame automatically exit from match pattern, and return normal mode of operation.
In the present embodiment, the first main frame 21 or the second main frame 26 are according to first direction antenna x's and second direction antenna y
Rssi value is judging the residing direction of sensor 1, and alignment sensor 1 is in the left front tire of vehicle, right front fire, left back
Tire or right rear fire.
In the present embodiment, when certain tire occurs abnormal, sensor 1 actively can send abnormal information, the first main frame 21 or
Second main frame 26 is understood acousto-optic hint user after receiving abnormal information and is reported to the position of abnormal tire.First main frame 21 or second is main
Machine 26 can actively wake up sensor 1, and setting value is told sensor 1.
In the present embodiment, when in the first setting time, degradation to the atmospheric pressure value of tire in (in the short time), pass
Abnormal information and is sent to the first mobile terminal 22 by the first bluetooth module by sensor 1 in tire, or passes through repeater 23
It is transmitted to the second mobile terminal 25, the monitoring app of the first mobile terminal 22 or the second mobile terminal 25 is to user's acousto-optic hint wheel
Tyre air leakage.Above-mentioned first setting time is 4 seconds.
In the present embodiment, when tire is when working long hours, because the reasons such as friction lead to tyre temperature too high, more than 80
During the set temperature value of degree or user, abnormal information and is sent to first by the first bluetooth module by sensor 1 in tire
Mobile terminal 22, or the second mobile terminal 25, the first mobile terminal 22 or the second mobile terminal 25 are transmitted to by repeater 23
Monitoring app too high to user's acousto-optic hint tyre temperature.
In the present embodiment, when the atmospheric pressure value of tire occurs (in the short time) persistently raising in the second setting time, pass
Abnormal information and is sent to the first mobile terminal 22 by the first bluetooth module by sensor 1 in tire, or passes through repeater 23
It is transmitted to the second mobile terminal 25, the monitoring app of the first mobile terminal 22 or the second mobile terminal 25 is to user's acousto-optic hint wheel
Air pressure is too high.
When the monitoring app of the first mobile terminal 22 or the second mobile terminal 25 receives the atmospheric pressure value of the tire that sensor sends
Less than 1.8bar or first setting atmospheric pressure value, the monitoring app of the first mobile terminal 22 or the second mobile terminal 25 can send acousto-optic
Prompting；When the monitoring app of the first mobile terminal 22 or the second mobile terminal 25 receives the atmospheric pressure value height of the tire that sensor sends
In 3.2bar or second setting atmospheric pressure value, the monitoring app of the first mobile terminal 22 or the second mobile terminal 25 sends acousto-optic hint.
When user needs more emat sensor 1 because of some reasons, if now receiving device 2 is the first mobile terminal 22 or the
Two mobile terminals 25, then the flow chart that user is mated using Auto-matching, active wake-up mode is as shown in Figure 4.In Fig. 4,
The flow process that it is mated comprises the steps:
Step s311 user clicks on monitoring app and enters match pattern, and sensor receives the matched order that monitoring app sends
Afterwards, send pairing broadcast answer signal: in this step, user clicks on monitoring app and enters match pattern, and sensor receives monitoring
After the matched order that app sends, send pairing broadcast answer signal.
Step s312 monitoring app receives broadcast answer signal, and judges to select to produce pairing or user's pairing: this step
In, monitoring app receives broadcast answer signal, and judges to select to produce pairing or user's pairing, when selecting to produce pairing, execution
Step s313；When selecting user's pairing, execution step s314.
Step s313 obtains the tire pressure value of nearest four tire by rssi location algorithm, and preserves each sensor
Id address code: in this step, obtain the tire pressure value of nearest four tire by rssi location algorithm, and preserve each sensor
Id address code, this id address code be mac address.This step, execution step s314 are executed.
Step s314 monitoring app initiates link scanning: in this step, monitoring app initiates link scanning.
Step s315 judges whether to scan tire pressure link: in this step, judges whether to scan tire pressure link, if sentenced
Disconnected result is yes, then execution step s316；Otherwise, return to step s314.
Step s316 judges whether mac address correct: in this step, judge that mac address is whether correct, if it is determined that knot
Fruit is yes, then execution step s317；Otherwise, return to step s314.
Step s317 is set up with sensor and is connected: in this step, sets up with sensor and is connected.
Step s318 judges whether successful connection: in this step, judge whether successful connection, if it is determined that result be
It is, then execution step s319；Otherwise, return to step s314.
Step s319 monitoring app sends four pairing randoms number, and preserves unpaired message: in this step, monitoring app sends
Four pairing randoms number, and preserve unpaired message.
Step s320 judges whether pairing is fully completed: in this step, judge whether pairing is fully completed, if it is determined that
Result is yes, then execution step s321；Otherwise, return to step s314.
In the present embodiment, when user needs more emat sensor 1 because of some reasons, if now receiving device 2 is the first shifting
Dynamic terminal 22 or the second mobile terminal 25, then flow chart such as Fig. 5 that user is mated using manual coupling, manual wake-up mode
Shown.In Fig. 5, the flow process that it is mated comprises the steps:
Step s41 user clicks on monitoring app and enters match pattern: in this step, user clicks on monitoring app and enters coupling mould
Formula.
Step s42 monitoring app sends pairing broadcast: in this step, monitoring app sends pairing broadcast.Execute this step,
Execution step s44.
Step s43 carries out charge/discharge to sensor, and sensor carries out abnormal broadcast: in this step, sensor is carried out
Charge/discharge, sensor carries out abnormal broadcast.This step, execution step s44 are executed.
Step s44 judges whether the id address code matching the sensor in broadcast or abnormal broadcast is correct: in this step, sentences
Disconnected pairing broadcast or abnormal broadcast in sensor id address code whether correct, if it is determined that result be yes, then execute step
Rapid s45；Otherwise, return to step s42.
Step s45 is set up with sensor and is connected: in this step, sets up with sensor and is connected.
Step s46 judges to connect whether success: in this step, judge whether successfully to connect, if it is determined that result be yes,
Then execution step s47；Otherwise, return to step s42.
Step s47 sensor sends unpaired message to monitoring app, and preserves unpaired message: in this step, sensor is to prison
Survey app and send unpaired message, and preserve unpaired message.
Step s48 judges whether that pairing completes: in this step, judge whether that pairing completes, if it is determined that result be yes,
Then execution step s49；Otherwise, return to step s42.
Step s49 disconnects, and returns normal mode of operation: in this step, disconnects, and returns normal work mould
Formula.
In the present embodiment, the flow chart that sensor 1 is positioned is as shown in fig. 6, in Fig. 6, position to sensor
When flow process comprise the steps:
Step s501 monitoring app sends positioning calibration command: in this step, monitoring app sends positioning calibration command.
Step s502 is scanned to sensor obtaining the rssi value of four tires: in this step, sensor is swept
Retouch the rssi value obtaining four tires.
Step s503 judges whether the rssi value of four tires is normal: in this step, judges that the rssi value of four tires is
No normal, if it is determined that result be yes, then execution step s507；Otherwise, execution step s504.
Whether step s504 judges positioning time more than the 3rd setting time: in this step, judges whether positioning time surpasses
Cross the 3rd setting time, if it is determined that result be yes, then execution step s505；Otherwise, return to step s502.
Step s505 judges whether to have connected: in this step, judge whether to have connected, if it is determined that result be
It is, then execution step s506；Otherwise, execution step s512.
Step s506 sends information to monitoring app: in this step, sends information to monitoring app.Execute
Step, execution step s512.
Step s507 judges whether the first main frame or the second main frame are located at the front end of vehicle: in this step, judges that first is main
Whether machine or the second main frame are located at the front end of vehicle, if it is determined that result be yes, then execution step s508；Otherwise, execute step
Rapid s509.
Step s508 judges the strongest in the rssi value of four tires two as front-wheel: in this step, judges four tires
Rssi value in the strongest two be front-wheel.Go this step, execution step s510.
Step s509 judges the strongest two tires in the rssi value of four tires as trailing wheel: in this step, judges four
The strongest two tires in the rssi value of tire are trailing wheel.This step, execution step s510 are executed.
Step s510 when the rssi value of first direction antenna is more than the rssi value of second direction antenna, the first main frame or the
Two main frames judge that current sensor is located at right wheel, when the rssi value of first direction antenna is less than the rssi value of second direction antenna
When, the first main frame or the second main frame judge that current sensor is located at revolver: in this step, when the rssi value of first direction antenna is big
When the rssi value of second direction antenna, the first main frame or the second main frame judge that current sensor is located at right wheel, work as first direction
When the rssi value of antenna is less than the rssi value of second direction antenna, the first main frame or the second main frame judge that current sensor is located at a left side
Wheel.This step, execution step s511 are executed.
Step s511 record location result: in this step, record location result.
Step s512 terminates to position: in this step, terminates positioning.
In a word, in the present embodiment, when atmospheric pressure value or the temperature value exception of tire, receiving device 2 carries out sound and light alarm, and
Can be positioned, thus be pointed out which tire there occurs exception to user, in order to the timely re-type of user, so its tool
There is abnormal tyre warning function, strengthen safety, reduce loss.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of bluetooth tire pressure monitoring system is it is characterised in that include sensor and the reception of multiple built-in first bluetooth modules
Equipment, each described sensor is installed at the valve of the corresponding tire of vehicle, and described sensor detects atmospheric pressure value and the temperature of tire
Angle value is simultaneously sent to described receiving device by described first bluetooth module, and the atmospheric pressure value of described tire or temperature value are abnormal
When, described receiving device carries out sound and light alarm；Described receiving device is provided with first direction antenna and second direction antenna, when again
During coupling tire, described receiving device is entered match pattern by user, and the two-way function using bluetooth wakes up described sensor, often
Its unique id address code is sent to described receiving device by described first bluetooth module by individual described sensor, or user is led to
Cross coupling that tire is exitted manually；After described user is by the tire changing matching position, described receiving device receives
To after the signal of described sensor, described tire is judged according to the rssi value of described first direction antenna and second direction antenna
Position, and the position of tire described in adjust automatically；Passive Mode or active mould is selected between described sensor and receiving device
Formula transmission tire data gives described receiving device；Described receiving device includes built-in second bluetooth module and is provided with the of display
One main frame, and built-in 3rd bluetooth module and be provided with monitoring app the first mobile terminal.
2. bluetooth tire pressure monitoring system according to claim 1 is it is characterised in that described receiving device also includes built-in
Four bluetooth modules and forward for signal and amplify repeater, Bluetooth receptions head, built-in 5th bluetooth module be provided with prison
The second mobile terminal surveying app, second main frame with display and dvd, one end of described repeater and described first bluetooth
Module wirelessly connects, and the other end of described repeater is wirelessly connected with described second mobile terminal, the second main frame and dvd respectively,
The two ends of described Bluetooth receptions head are wirelessly connected with described first bluetooth module and dvd respectively.
3. bluetooth tire pressure monitoring system according to claim 2 is it is characterised in that when the atmospheric pressure value of described tire is first
When declining in setting time, or the temperature of described tire more than 80 degree or set temperature value when, or the atmospheric pressure value of described tire exists
When occurring in the second setting time persistently raising, abnormal information and passes through radio signal by described sensor in described tire
It is sent to described first main frame, or described second main frame, described first main frame or the second main frame are transmitted to by described repeater
Send sound and light alarm；
When the atmospheric pressure value that described first main frame or the second main frame receive the described tire that described sensor sends be less than 1.8bar or
First setting atmospheric pressure value, described first main frame or the second main frame send sound and light alarm；When described first main frame or the second main frame are received
The atmospheric pressure value of the described tire sending to described sensor is higher than 3.2bar or second setting atmospheric pressure value, described first main frame or the
Two main frames send sound and light alarm.
4. bluetooth tire pressure monitoring system according to claim 2 it is characterised in that when user change described sensor when,
Described user is comprised the steps: using the flow process that Auto-matching, active wake-up mode are mated
A1) described user manually selects described first main frame or the second main frame enters match pattern；
A2) described first main frame or the second main frame send radio matched signal, execution step a3)；When coupling time-out, execution
Step a5)；
A3, after) described sensor receives described matched signal, send the answer signal with id address code；
A4 after) described first main frame or the second main frame receive described answer signal, described first main frame or the prompting of the second main frame
It is made into work(, described user confirms that the match is successful；
A5) described first main frame or the second main frame automatically exit from match pattern, and return normal mode of operation.
5. bluetooth tire pressure monitoring system according to claim 2 it is characterised in that when user change described sensor when,
Described user is comprised the steps: using the flow process that manual coupling, manual wake-up mode are mated
B1) described user manually selects described first main frame or the second main frame enters match pattern；
B2) described first main frame or the second main frame send radio matched signal, execution step b3)；When coupling time-out, execution
Step b7)；
B3) tire that described user is located to sensor to be mated manually carry out inflated for deflated manually；
B4) described sensor to be mated sends abnormal information；
B5 after) described first main frame or the second main frame receive described abnormal information, store the id of described sensor to be mated
Address value；
B6) the match is successful for described first main frame or the prompting of the second main frame, and described user confirms that the match is successful；
B7) described first main frame or the second main frame automatically exit from match pattern, and return normal mode of operation.
6. the bluetooth tire pressure monitoring system according to claim 2 to 5 any one is it is characterised in that normal operating conditions
Under, described regular sensor sends one group of data to described first main frame or the second main frame, described first main frame or the second main frame
Direction residing for described sensor is judged according to the rssi value of described first direction antenna and second direction antenna, and positions
Described sensor is in the left front tire of vehicle, right front fire, left rear tire or right rear fire.
7. bluetooth tire pressure monitoring system according to claim 2 is it is characterised in that when the atmospheric pressure value of described tire is first
When declining in setting time, or the temperature of described tire more than 80 degree or set temperature value when, or the atmospheric pressure value of described tire exists
When occurring in the second setting time persistently raising, it is blue that the information that exception in described tire is passed through described first by described sensor
Tooth module is sent to described first mobile terminal, or is transmitted to described second mobile terminal by described repeater, and described first
The monitoring app of mobile terminal or the second mobile terminal has a flat tire to described user's acousto-optic hint, tyre temperature is too high or tire
Air pressure is too high；
When the monitoring app of described first mobile terminal or the second mobile terminal receives the gas of the described tire that described sensor sends
Pressure value is less than 1.8bar or first setting atmospheric pressure value, and described first main frame or the second main frame can send acousto-optic hint；When described
The atmospheric pressure value that the monitoring app of one mobile terminal or the second mobile terminal receives the described tire that described sensor sends is higher than
3.2bar or second setting atmospheric pressure value, the monitoring app of described first mobile terminal or the second mobile terminal sends acousto-optic hint.
8. bluetooth tire pressure monitoring system according to claim 2 it is characterised in that when user change described sensor when,
Described user is comprised the steps: using the flow process that Auto-matching, active wake-up mode are mated
C1) described user clicks on monitoring app and enters match pattern, and the pairing that described sensor receives described monitoring app transmission refers to
After order, send pairing broadcast answer signal；
C2) described monitoring app receives described broadcast answer signal, and judges to select to produce pairing or user's pairing, when selection institute
When stating production pairing, obtain the tire pressure value of nearest four tire by rssi location algorithm, and preserve each described sensor
Id address code, execution step c3)；When selecting described user's pairing, execution step c3)；Described id address code is mac ground
Location；
C3) described monitoring app initiates link scanning；
C4) judge whether to scan tire pressure link, in this way, execution step c5)；Otherwise, return to step c3)；
C5) judge whether described mac address is correct, in this way, set up with described sensor and be connected, execution step c6)；Otherwise, return
Return step c3)；
C6) judge whether successful connection, in this way, described monitoring app sends four pairing randoms number, and preserves unpaired message, holds
Row step c7)；Otherwise, return to step c3)；
C7) judge whether pairing is fully completed, in this way, disconnect, enter tire pressure monitoring flow process；Otherwise, return to step c3).
9. bluetooth tire pressure monitoring system according to claim 2 it is characterised in that when user change described sensor when,
Described user is comprised the steps: using the flow process that manual coupling, manual wake-up mode are mated
D1) user clicks on described monitoring app and enters match pattern；
D2) described monitoring app sends pairing broadcast, execution step d3)；Or sensor is carried out with charge/discharge, described sensor
Carry out abnormal broadcast, execution step d3)；
Whether the id address code of the sensor in d3) judging described pairing broadcast or extremely broadcasting is correct, in this way, with described sensing
Device is set up and is connected, execution step d4)；Otherwise, return to step d2)；
D4) judge to connect whether success, in this way, described sensor is to described monitoring app transmission unpaired message, and joins described in preserving
To information, execution step d5)；Otherwise, return to step d2)；
D5) judge whether that pairing completes, in this way, disconnect, and return normal mode of operation；Otherwise, return to step d2).
10. the bluetooth tire pressure monitoring system according to claim 7 to 9 any one is it is characterised in that work as to described sensing
When device is positioned, execution following steps:
E1) described monitoring app sends positioning calibration command；
E2) described sensor is scanned obtaining the rssi value of four tires；
E3) judge whether the rssi value of described four tires is normal, in this way, execution step e6)；Otherwise, execution step e4)；
E4) judge positioning time whether more than the 3rd setting time, in this way, execution step e5)；Otherwise, return to step e2)；
E5) judge whether to have connected, in this way, send information, execution step e9 to described monitoring app)；Otherwise, execute
Step e9)；
E6) judge whether described first main frame or the second main frame are located at the front end of vehicle, in this way, judge described four tires
In rssi value, the strongest two is front-wheel, execution step e7)；Otherwise, it is determined that it is the strongest by two in the rssi value of described four tires
Individual tire is trailing wheel, execution step e7)；
E7) when the rssi value of described first direction antenna is more than the rssi value of described second direction antenna, described first main frame
Or second main frame judge current sensor be located at right wheel, when described first direction antenna rssi value be less than described second direction sky
During the rssi value of line, described first main frame or the second main frame judge that current sensor is located at revolver；
E8) record location result, execution step e9)；
E9) terminate positioning.
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| CN201610811558.7A CN106347041B (en) | 2016-09-06 | 2016-09-06 | Bluetooth tire pressure monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610811558.7A CN106347041B (en) | 2016-09-06 | 2016-09-06 | Bluetooth tire pressure monitoring system |
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