CN205768401U - Radio tire pressure monitoring system - Google Patents
Radio tire pressure monitoring system Download PDFInfo
- Publication number
- CN205768401U CN205768401U CN201620477868.5U CN201620477868U CN205768401U CN 205768401 U CN205768401 U CN 205768401U CN 201620477868 U CN201620477868 U CN 201620477868U CN 205768401 U CN205768401 U CN 205768401U
- Authority
- CN
- China
- Prior art keywords
- wireless signal
- controller
- signal transmitter
- tire pressure
- monitoring system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
This utility model is about a kind of radio tire pressure monitoring system, and it is provided on vehicle tyre or wheel frame.This system comprises: magnetometer, in order to measure magnetic flux value；Pressure transducer, in order to measure the force value in vehicle tyre；Controller, in order to receive this magnetic flux value measured by this magnetometer and this force value measured by this pressure transducer, and judges whether this magnetic flux value produces fluctuation；And wireless signal transmitter, it is connected with controller signals, and controlled by this controller, wherein, when this controller judges that this magnetic flux value produces fluctuation, this controller starts this wireless signal transmitter or improves this wireless signal transmitter emitting times per minute, and is launched the signal representing this force value by this wireless signal transmitter.
Description
Technical field
This utility model is to monitor system about radio tire pressure.
Background technology
In known radio tire pressure monitoring system, in order to reduce the consumption of its battery, it will usually use acceleration of gravity
Sensor (G-sensor) is used as the switch of wireless signal transmitter.Specifically, when the vehicle is still, acceleration of gravity passes
Sensor will not sense the change of any acceleration of gravity, now, wireless signal transmitter be not activated and in a dormant state,
So as to reducing the consumption of battery.Otherwise, when the vehicle is running, Gravity accelerometer can sense the change of acceleration of gravity
Changing, now, the controller of radio tire pressure monitoring system can start wireless communication according to the measurement of Gravity accelerometer
Number emitter and make wireless signal transmitter in running order.
But, the sensing component in Gravity accelerometer is generally of the structure of spring-like, and this kind of structure is easily
Being damaged because of rugged road conditions, this will cause the fault of Gravity accelerometer, and then shorten radio tire pressure
The service life of monitoring system.
Utility model content
In view of the above problems, according to an embodiment of the present utility model, it is provided that a kind of radio tire pressure monitoring system, it is to set
Put on vehicle tyre or wheel frame.This radio tire pressure monitoring system comprises: magnetometer, in order to measure magnetic flux value；Pressure sensing
Device, in order to measure the force value in vehicle tyre；Controller, in order to receive this magnetic flux value measured by this magnetometer and
This force value measured by this pressure transducer, and judge whether this magnetic flux value produces fluctuation；And wireless signal sends out
Emitter, is connected with controller signals, and is controlled by this controller, wherein, when this controller judges that this magnetic flux value produces
During fluctuation, this controller starts this wireless signal transmitter or improves this wireless signal transmitter emitting times per minute, and
The signal representing this force value is launched by this wireless signal transmitter.
According to an embodiment of the present utility model, it is provided that a kind of radio tire pressure monitoring system, it is provided in vehicle tyre
Or on wheel frame.This radio tire pressure monitoring system comprises: magnetometer, in order to measure magnetic flux value；Pressure transducer, in order to measure car
Force value in tire；Controller, in order to receive this magnetic flux value measured by this magnetometer and by this pressure sensing
This force value that device is measured, and judge whether this magnetic flux value reaches predetermined threshold；And wireless signal transmitter, with control
Device signal processed connects, and is controlled by this controller, wherein, when this controller judges that this magnetic flux value reaches predetermined threshold
Time, this controller starts this wireless signal transmitter or improves this wireless signal transmitter emitting times per minute, and passing through
This wireless signal transmitter launches the signal representing this force value.
Compared to the radio tire pressure monitoring system of the Gravity accelerometer that known use has spring structure, due to this
The magnetometer that the radio tire pressure monitoring system of utility model is used does not has this kind of spring structure, so being not easy because of rugged
The road conditions of rugged injustice and be damaged, therefore, it is possible to extend the use of radio tire pressure monitoring system while reducing battery consumption
Life-span.
Of the present utility model other implement patterns and advantage can from following with in order to illustrate this utility model principle example
The detailed description that combines of alterations and the most obvious in vain.Additionally, in order to this utility model not caused unnecessary obscuring,
Will not be described in great detail assembly well known and principle in this manual.
Accompanying drawing explanation
According to an embodiment of the present utility model, the structural representation of Fig. 1 outline display radio tire pressure monitoring system.
According to an embodiment of the present utility model, Fig. 2 shows the car being provided with radio tire pressure of the present utility model monitoring system
The generalized section of wheel, it is in order to illustrate when the vehicle is running, and the position of the magnetometer of radio tire pressure monitoring system measures with it
Relation between numerical value.
According to another embodiment of the present utility model, Fig. 3 shows that being provided with radio tire pressure of the present utility model monitors system
The generalized section of wheel, it is in order to illustrate when the vehicle is running, the position of the magnetometer of radio tire pressure monitoring system and its amount
Survey the relation between numerical value.
Fig. 4 A and Fig. 4 B is the operating principle in order to explanatory diagram 2 with the radio tire pressure monitoring system shown in Fig. 3.
According to an embodiment of the present utility model, Fig. 5 shows the schematic diagram of vehicle, and wherein the front-wheel of this vehicle sets with trailing wheel
Radio tire pressure of the present utility model is had to monitor system.
Description of reference numerals:
1 radio tire pressure monitoring system
2 batteries
3 magnetometers
5 pressure transducers
7 controllers
9 wireless signal transmitters
11 temperature sensors
13 vehicle wheel frames
15 vehicle tyres
16 vehicles
17 front-wheels
18 trailing wheels
100 signal receivers
A1～A4 position
B1～B4 position
Detailed description of the invention
According to an embodiment of the present utility model, the structural representation of Fig. 1 outline display radio tire pressure monitoring system 1.Nothing
Line tire pressure monitoring system 1 may be provided on vehicle wheel frame, or may be provided at and (such as embed and do not contact with road surface on vehicle tyre
Vehicle tyre inside or be fixed on the surface inside this vehicle tyre).As it is shown in figure 1, radio tire pressure monitoring system 1 can
Comprise: magnetometer 3, in order to measure magnetic flux value；Pressure transducer 5, in order to measure the force value in vehicle tyre；Controller 7,
It is connected with magnetometer 3 and pressure transducer 5 signal；And wireless signal transmitter 9, it is connected with controller 7 signal, and by
Controller 7 is controlled.Controller 7 may be used to receive the magnetic flux value measured by magnetometer 3 and by pressure transducer 5 amount
The force value surveyed, and judge whether this magnetic flux value produces fluctuation.
Such as, in embodiment of the present utility model, radio tire pressure monitoring system 1 can be electrically connected with battery 2, and can
Electric power is provided to radio tire pressure monitoring system 1 through battery 2.Controller 7 can for example, have analog/digital signal conversion merit
The microcontroller of energy, but it is not limited to this.
In an embodiment of the present utility model, when controller 7 judges that this magnetic flux value produces fluctuation, controller 7 can
Start wireless signal transmitter 9 or improve wireless signal transmitter 9 emitting times per minute, and passing through wireless signal transmitter
9 launch the signal representing this force value.
In an embodiment of the present utility model, controller 7 can detect the charge value of battery 2.When controller 7 judges to be somebody's turn to do
When magnetic flux value produces fluctuation, controller 7 can start wireless signal transmitter 9 or improve per minute of wireless signal transmitter 9
Penetrate number of times, and launched the signal representing this charge value by wireless signal transmitter 9.
Additionally, in one embodiment, radio tire pressure monitoring system 1 can further include the temperature being connected with controller 7 signal and pass
Sensor 11.Temperature sensor 11 may be used to measure the temperature value in vehicle tyre.Controller 7 can receive by temperature sensor 11 institute
The temperature value measured, and when controller 7 judges that this magnetic flux value produces fluctuation, controller 7 can start wireless signal transmission
Device 9 or raising wireless signal transmitter 9 emitting times per minute, and represent this temperature by wireless signal transmitter 9 transmitting
The signal of value.
In another embodiment of the present utility model, controller 7 may be used to receive the magnetic flux value measured by magnetometer 3
And the force value measured by pressure transducer 5, and judge whether this magnetic flux value reaches predetermined threshold.When controller 7
Judging when this magnetic flux value reaches predetermined threshold, controller 7 can start wireless signal transmitter 9 or improve wireless signal transmitter
9 emitting times per minute, and the signal representing this force value is launched by wireless signal transmitter 9.
In an embodiment of the present utility model, controller 7 can detect the charge value of battery 2.When controller 7 judges to be somebody's turn to do
When magnetic flux value reaches predetermined threshold, controller 7 can start wireless signal transmitter 9 or improve wireless signal transmitter 9 every point
Clock emitting times, and the signal representing this charge value is launched by wireless signal transmitter 9.
Additionally, in one embodiment, controller 7 receives the temperature value measured by temperature sensor 11, and when controlling
Device 7 judges when this magnetic flux value reaches predetermined threshold, and controller 7 can start wireless signal transmitter 9 or raising wireless signal is sent out
Emitter 9 emitting times per minute, and the signal representing this temperature value is launched by wireless signal transmitter 9.
In embodiment of the present utility model, wireless signal transmitter 9 can for example, less radio-frequency (RF) signal projector,
But it is not limited to this.As it is shown in figure 1, the signal launched by wireless signal transmitter 9 can be received by signal receiver 100.Letter
Number receptor 100 is normally mounted on or near Vehicular instrument panel, watches at any time by wireless signal transmitter 9 in order to driver
Pressure in the representative tire launched or the signal of temperature or represent the signal of battery electric quantity.
According to an embodiment of the present utility model, Fig. 2 shows the car being provided with radio tire pressure of the present utility model monitoring system 1
The generalized section of wheel, it is in order to illustrate when the vehicle is running, the position of the magnetometer 3 of radio tire pressure monitoring system 1 and its amount
Surveying the relation between numerical value, wherein, radio tire pressure monitoring system 1 is provided on vehicle wheel frame 13.According to of the present utility model
Another embodiment, Fig. 3 shows the generalized section of wheel being provided with radio tire pressure of the present utility model monitoring system 1, its in order to
Illustrate when the vehicle is running, the position of magnetometer 3 of radio tire pressure monitoring system 1 and its measure the relation between numerical value, wherein,
Radio tire pressure monitoring system 1 is provided on vehicle tyre 15, such as, embed inside the vehicle tyre not contacted with road surface or consolidate
It is scheduled on the surface inside this vehicle tyre.
As in figure 2 it is shown, in the case of radio tire pressure monitoring system 1 is disposed on vehicle wheel frame 13, when vehicle is advanced
Time, radio tire pressure monitoring system 1 is as vehicle wheel frame 13 and rotates (as shown by arrows) together.Now, supervise due to radio tire pressure
The position of examining system 1 can sequentially change from position A1, A2, A3, A4, so by the magnetometer 3 of radio tire pressure monitoring system 1
Magnetic flux (ambient magnetic flux amount) (unit: Gauss (Gauss)) also can change.Such as, at position A2 and A4, by wireless tire
The magnetic flux of the magnetometer 3 of pressure monitoring system 1 is maximum, such as some a, c on the curve in Fig. 2；And at position A1 and A3, by nothing
The magnetic flux of the magnetometer 3 of line tire pressure monitoring system 1 is the most minimum, such as the some b on the curve in Fig. 2.
Also, as it is shown on figure 3, in the case of in radio tire pressure monitoring, system 1 is provided on vehicle tyre 15, when vehicle row
When entering, radio tire pressure monitoring system 1 is as vehicle tyre 15 and rotates (as shown by arrows) together.Now, due to radio tire pressure
The position of monitoring system 1 can sequentially change from position B1, B2, B3, B4, so by the magnetometer 3 of radio tire pressure monitoring system 1
Magnetic flux (ambient magnetic flux amount) also can change.Such as, at position B2 and B4, by the magnetic of radio tire pressure monitoring system 1
The magnetic flux of power meter 3 is maximum, such as some a', c' on the curve in Fig. 3；And at position B1 and B3, by radio tire pressure monitoring be
The magnetic flux of the magnetometer 3 of system 1 is the most minimum, such as the some b' on the curve in Fig. 3.We can be appreciated that magnetic flux (ambient magnetic flux amount)
Can be because the difference in geographical position and difference, therefore, the magnetic flux value indicated on the longitudinal axis of Fig. 2 with Fig. 3 is only shown
Example, and unrestricted.
Fig. 4 A Yu 4B is the operating principle in order to explanatory diagram 2 with the radio tire pressure monitoring system shown in Fig. 3.Such as Fig. 4 A institute
Showing, the magnetic flux value measured does not produces fluctuation, and this is because the position of radio tire pressure monitoring system 1 does not change, institute
Also will not change with the magnetic flux by the magnetometer 3 of radio tire pressure monitoring system 1, i.e. represent stationary vehicle motionless.On the contrary,
As shown in Figure 4 B, the magnetic flux value measured produces fluctuation, and this is because the position of radio tire pressure monitoring system 1 is along with car
Wheel frame 13 or the rotation of vehicle tyre 15 and change, so by radio tire pressure monitoring system 1 magnetometer 3 magnetic flux also
Can change, i.e. represent in vehicle traveling.Therefore, controller 7 can determine whether whether the magnetic flux value measured produces fluctuation
Or can determine whether whether the magnetic flux value measured reaches predetermined threshold, and according to the result judged to start wireless communication
Number emitter 9 or change wireless signal transmitter 9 and launch the number of times frequency of signal.
For example, in one embodiment, magnetometer 3 is used to measure magnetic flux value and use pressure transducer 5
Measure the force value in vehicle tyre 15, and improve controller 7 receive this magnetic flux value measured by magnetometer 3 and by
This force value that pressure transducer 5 is measured, then passes through controller 7 to judge whether this magnetic flux value produces fluctuation.Work as control
Device 7 processed judges that when this magnetic flux value measured produces fluctuation, controller 7 can start wireless signal transmitter 9 or improve wireless
Signal projector 9 emitting times per minute, and the signal representing this force value is launched by wireless signal transmitter 9.
In another embodiment, magnetometer 3 is used to measure magnetic flux value and use pressure transducer 5 to measure vehicle
Force value in tire 15, and receive this magnetic flux value measured by magnetometer 3 and by pressure sensing by controller 7
This force value that device 5 is measured, then passes through controller 7 to judge whether this magnetic flux value reaches predetermined threshold.When controller 7
Judging when this magnetic flux value reaches predetermined threshold, controller 7 can start wireless signal transmitter 9 or improve wireless signal transmitter
9 emitting times per minute, and the signal representing this force value is launched by wireless signal transmitter 9.This predetermined threshold can example
Such as the value for any point on the curve shown in Fig. 2 or Fig. 3, such as putting a or some b or putting the value of c in Fig. 2, or the point in Fig. 3
A' or some b' or the value of some c', but it is not limited to this.
Metal structure (such as car shell, the end due to the iron wire in vehicle tyre, vehicle wheel frame (steel ring) and vehicle itself
Dish etc.) transmission of wireless signals may be caused shielding action, add the signal receiver 100 and car being installed in vehicle
The relative position of tire is different, it is possible that the radio tire pressure monitoring system signal transmission effect in each position of tire can occur
The situation that rate is inconsistent.When the wireless signal transmitter of radio tire pressure monitoring system is launched in the position that effectiveness is poor
During signal, it may occur that signal receiver 100 does not receives the situation of signal, and therefore wireless signal transmitter must be long-time
Launch signal continuously, to ensure that signal receiver 100 is able to receive that signal, the consumption of battery may be increased thus.
As it has been described above, when the vehicle is running, radio tire pressure monitoring system is as vehicle tyre or vehicle wheel frame turns together
Dynamic, the magnetic flux value that therefore can pass through to be measured judges the position of radio tire pressure monitoring system.If radio tire pressure is monitored
System along with vehicle tyre or vehicle wheel frame turn to effectiveness optimal position time, the control of radio tire pressure monitoring system
Device processed just starts wireless signal transmitter and launches signal or improve the signal emitting times of wireless signal transmitter, the most just can drop
The consumption of low battery.
According to an embodiment of the present utility model, Fig. 5 shows the schematic diagram of vehicle 16, wherein the front-wheel 17 of vehicle 16 with after
Wheel 18 is provided with radio tire pressure of the present utility model monitoring system 1.As an example it is assumed that the radio tire pressure monitoring system 1 of front-wheel 17
Can have optimum signal efficiency of transmission at position A2 (it corresponds to the position A2 in Fig. 2), and the radio tire pressure of trailing wheel 18 is supervised
Examining system 1 can have optimum signal efficiency of transmission at position A4 (it corresponds to the position A4 in Fig. 2)；Wireless when front-wheel 17
Tire pressure monitoring system 1 (represents the radio tire pressure monitoring system of front-wheel 17 when measuring with some magnetic flux value corresponding to c in Fig. 2
System 1 is in position A2), its wireless signal transmitter can be started or improve this wireless signal transmitter emitting times per minute；
In like manner, monitor when system 1 measures with some magnetic flux value corresponding to a in Fig. 2 when the radio tire pressure of trailing wheel 18 and (represent trailing wheel
The radio tire pressure monitoring system 1 of 18 is in position A4), its wireless signal transmitter can be started or improve this wireless signal transmission
Device emitting times per minute.
Although this utility model is with reference to preferred embodiment and graphic elaborate, but is familiar with art person and can be appreciated that
In the case of spirit and scope of the present utility model, various amendment, change and equivalent substitution can be carried out, but these
Amendment, change and equivalent substitution still fall within claim of the present utility model.
Claims (8)
1. a radio tire pressure monitoring system, is arranged on vehicle tyre or wheel frame, it is characterised in that the monitoring of this radio tire pressure is
System comprises:
Magnetometer, in order to measure magnetic flux value；
Pressure transducer, in order to measure the force value in vehicle tyre；
Controller, in order to receive this magnetic flux value measured by this magnetometer and this pressure measured by this pressure transducer
Force value, and judge whether this magnetic flux value produces fluctuation；And
Wireless signal transmitter, is connected with controller signals, and is controlled by this controller,
Wherein, when this controller judges that this magnetic flux value produces fluctuation, this controller starts this wireless signal transmitter or carries
High this wireless signal transmitter emitting times per minute, and the letter representing this force value is launched by this wireless signal transmitter
Number.
2. radio tire pressure monitoring system as claimed in claim 1, it is characterised in that this radio tire pressure monitoring system further includes:
Temperature sensor, in order to measure the temperature value in vehicle tyre,
Wherein, this controller receives this temperature value measured by this temperature sensor, and when this controller judges this magnetic flux
When value produces fluctuation, this controller starts this wireless signal transmitter or improves this wireless signal transmitter transmitting per minute time
Number, and the signal representing this temperature value is launched by this wireless signal transmitter.
3. radio tire pressure monitoring system as claimed in claim 1, it is characterised in that this radio tire pressure monitoring system is and battery
Being electrically connected with, and to provide electric power to this radio tire pressure monitoring system through battery, this controller can detect this battery
Charge value, and wherein when this controller judges that this magnetic flux value produces fluctuation, this controller starts this wireless signal transmission
Device or improve this wireless signal transmitter emitting times per minute, and launched by this wireless signal transmitter and represent this electricity
The signal of value.
4. radio tire pressure monitoring system as claimed in claim 1, it is characterised in that this wireless signal transmitter is less radio-frequency
Signal projector.
5. a radio tire pressure monitoring system, is arranged on vehicle tyre or wheel frame, it is characterised in that the monitoring of this radio tire pressure is
System comprises:
Magnetometer, in order to measure magnetic flux value；
Pressure transducer, in order to measure the force value in vehicle tyre；
Controller, in order to receive this magnetic flux value measured by this magnetometer and this pressure measured by this pressure transducer
Force value, and judge whether this magnetic flux value reaches predetermined threshold；And
Wireless signal transmitter, is connected with controller signals, and is controlled by this controller,
Wherein, when this controller judges that this magnetic flux value reaches predetermined threshold, this controller starts this wireless signal transmitter
Or improve this wireless signal transmitter emitting times per minute, and represent this force value by the transmitting of this wireless signal transmitter
Signal.
6. radio tire pressure monitoring system as claimed in claim 5, it is characterised in that this radio tire pressure monitoring system further includes:
Temperature sensor, in order to measure the temperature value in vehicle tyre,
Wherein, this controller receives this temperature value measured by this temperature sensor, and when this controller judges this magnetic flux
When value reaches predetermined threshold, this controller starts this wireless signal transmitter or improves per minute of this wireless signal transmitter
Penetrate number of times, and launched the signal representing this temperature value by this wireless signal transmitter.
7. radio tire pressure monitoring system as claimed in claim 5, it is characterised in that this radio tire pressure monitoring system is and battery
Being electrically connected with, and to provide electric power to this radio tire pressure monitoring system through battery, this controller can detect this battery
Charge value, and wherein when this controller judges that this magnetic flux value reaches predetermined threshold, this controller starts this wireless signal
Emitter or improve this wireless signal transmitter emitting times per minute, and launched by this wireless signal transmitter that represent should
The signal of charge value.
8. radio tire pressure monitoring system as claimed in claim 5, it is characterised in that this wireless signal transmitter is less radio-frequency
Signal projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620477868.5U CN205768401U (en) | 2016-05-23 | 2016-05-23 | Radio tire pressure monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620477868.5U CN205768401U (en) | 2016-05-23 | 2016-05-23 | Radio tire pressure monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205768401U true CN205768401U (en) | 2016-12-07 |
Family
ID=58113236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620477868.5U Expired - Fee Related CN205768401U (en) | 2016-05-23 | 2016-05-23 | Radio tire pressure monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205768401U (en) |
-
2016
- 2016-05-23 CN CN201620477868.5U patent/CN205768401U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20210523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |