CN105539029A - Method for automatically adjusting transmitting power of tire pressure monitoring module - Google Patents
Method for automatically adjusting transmitting power of tire pressure monitoring module Download PDFInfo
- Publication number
- CN105539029A CN105539029A CN201510966945.3A CN201510966945A CN105539029A CN 105539029 A CN105539029 A CN 105539029A CN 201510966945 A CN201510966945 A CN 201510966945A CN 105539029 A CN105539029 A CN 105539029A
- Authority
- CN
- China
- Prior art keywords
- tire pressure
- emissive power
- monitoring module
- pressure monitoring
- power
- 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.)
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
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
-
- 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
- B60C23/0464—Transmission control of wireless signals to avoid signal interference
Abstract
The invention discloses a method for automatically adjusting transmitting power of a tire pressure monitoring module. The method comprises the following steps of: S1. detecting a battery level by the tire pressure monitoring module, and judging whether the battery level is greater than 2.8 or not, if yes, entering S11; else, entering S21; S11. detecting car body speed information by the tire pressure monitoring module, and judging whether the car body speed information is less than 40km/h or not, if yes, then setting the transmitting power to be low, else entering S12; S12. judging whether the speed of the car is less than 80km/h or not, if yes, setting the transmitting power to be medium, else, setting the transmitting power to be high; S21. judging whether the battery level is greater than 2.5V or not, if yes, entering S22, else, setting the transmitting power to be high; and S22. judging whether the speed of the car is less than 60km/h or not, if yes, setting the transmitting power to be medium, else, setting the transmitting power to be high. According to the method disclosed by the invention, not only can the anti-interference capacity of a signal be improved, but also influence on the battery life can be avoided.
Description
Technical field
The present invention relates to tire pressure monitoring module field, be specifically related to a kind of method that tire pressure monitoring module regulates emissive power automatically.
Background technology
Tire Pressure Monitor System (TirePressureMonitoringSystem; TPMS); be mainly used in that automobile is real-time in motion to be detected automatically to tire pressure; sensor is placed in each tire; and feedway is installed the pressure and temperature in tire is passed in the central acceptance module of operator's compartment; chaufeur can be allowed to understand pressure and temperature situation in tire in real time; judge that whether pressure in tire or temperature are in normal range; can also Realtime Alerts be carried out if any abnormal, ensure ride safety of automobile.
At present, TPMS is mainly divided into two types, and one is indirect type TPMS.Another kind is direct-type TPMS.Indirect type TPMS compares rotating speed difference between wheel by the wheel speed sensors of automobile ABS system, to reach the object monitoring tire pressure.Direct-type TPMS utilizes what be arranged on that each takes turns tyre cavity to take lithium cell as the air pressure that the pressure sensor of power supply directly measures tire, and is transmitted into and is arranged on the receptor of operator platform.Receptor shows each tire pressure, temperature at any time, and driver intuitively can understand the air pressure situation of each tire, and pathological system automatic alarm occurs.
Tire pressure monitoring module (TPMS internal module) in the market, be all use fixed transmission power mostly, when battery electric quantity declines, the emissive power of self also can reduce accordingly.The technological deficiency using fixed transmission power to produce has: 1, fixed transmission power is lower, when extraneous noise interference is stronger, easily causes receiving end Received signal strength bad; 2, fixed transmission power is higher, can increase the power consumption of product, affect battery.
Summary of the invention
For solving the problems of the technologies described above, the object of the invention is to propose a kind of antijamming capability that can improve signal, the tire pressure monitoring module in the life-span affecting battery can be avoided again automatically to regulate the method for emissive power.
The technical scheme adopted is:
Tire pressure monitoring module regulates a method for emissive power automatically, comprises the steps:
S1. tire pressure monitoring module detects the battery electric quantity of self, and judges whether battery electric quantity is greater than 2.8V; If so, then S11 is entered; If not, then S21 is entered;
S11. tire pressure monitoring module detects the vehicle body velocities information of self, judges whether the speed of a motor vehicle is less than 40km/h; If so, then it is low for arranging emissive power; If not, then S12 is entered;
S12. judge whether the speed of a motor vehicle is less than 80km/h, if so, then arrange during emissive power is; If not, then emissive power is set for high;
S21. judge whether battery electric quantity is greater than 2.5V, if so, then enter S22; If not, then emissive power is set for high;
S22. judge whether the speed of a motor vehicle is less than 60km/h, if so, then arrange during emissive power is; If not, then emissive power is set for high.
Preferably, before S1 step, tire pressure monitoring module first judges whether to have received low frequency triggering command; If not, then enter S1, if so, then enter S31;
S31. judge whether regulating power is low, if so, then it is low for arranging emissive power; If not, then S32. is entered
S32. in judging that whether regulating power is, if so, then arrange during emissive power is; If not, then emissive power is set for high.
Beneficial effect of the present invention is:
1, configure different emissive powers by the inventive method, export the emissive power needed for real vehicle actual conditions, the antijamming capability of signal can be improved, the life-span affecting battery can be avoided again;
2, according to tire pressure monitoring module its cells electricity and vehicle speed per hour, automatically can regulate sensor emission power, improve the receptivity of signal.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is diagram of circuit of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the preferred embodiment of the invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
First it should be noted that, first the emissive power of the sensor of tire pressure monitoring module can be divided into basic, normal, high three grades.Such as lower-order emission power is 0-5dBm; Middle rank emissive power is 5dBm-10dBm (not containing 5dBm), highest-order emission power be greater than 10dBm. those skilled in the art can according to actual needs or the conventional classification in this area carry out marking off three ranks.Thus the basic, normal, high of emissive power described in this specification sheets is relative concept, it the gamut of emissive power is divided into from low to high three relative intervals.
Then shown in Figure 1, a kind of tire pressure monitoring module regulates the method for emissive power automatically, comprises the steps:
First tire pressure monitoring module first judges whether to have received low frequency triggering command; If not, then enter S1, if so, then enter S31;
S31. judge whether regulating power is low, if so, then it is low for arranging emissive power; If not, then S32. is entered
S32. in judging that whether regulating power is, if so, then arrange during emissive power is; If not, then emissive power is set for high;
S1. tire pressure monitoring module detects the battery electric quantity of self, and judges whether battery electric quantity is greater than 2.8V; If so, then S11 is entered; If not, then S21 is entered;
S11. tire pressure monitoring module detects the vehicle body velocities information of self, judges whether the speed of a motor vehicle is less than 40km/h; If so, then it is low for arranging emissive power; If not, then S12 is entered;
S12. judge whether the speed of a motor vehicle is less than 80km/h, if so, then arrange during emissive power is; If not, then emissive power is set for high;
S21. judge whether battery electric quantity is greater than 2.5V, if so, then enter S22; If not, then emissive power is set for high;
S22. judge whether the speed of a motor vehicle is less than 60km/h, if so, then arrange during emissive power is; If not, then emissive power is set for high.
In above-mentioned steps, the battery electric quantity of tire pressure monitoring module detection self refers to the battery electric quantity of detecting sensor; Emissive power refers to the emissive power of this sensor.
Flow process shown in the inventive method such as can utilize software to carry out and judges and configure different emissive powers.This is that those skilled in the art can directly realize according to the inventive method.Therefore, core of the present invention is the flow process giving this inventive method, and the criterion in each decision node, those skilled in the art can make the emissive power of sensor emission different stage accordingly by forming corresponding software, thus regulate the emissive power of tire pressure monitoring module, the antijamming capability of TMPS system can be improved like this, the service life affecting battery during lasting high transmit power can be avoided again.
Embodiment 1,
When the battery electric quantity of the lithium cell of detected pressures sensor is 3V, when the speed of detection vehicle is 30km/h, the emissive power of this pressure sensor is regulated to be low level.
Embodiment 2,
When the battery electric quantity of the lithium cell of detected pressures sensor is 2.6V, when the speed of detection vehicle is 50km/h, the emissive power of this pressure sensor is regulated to be middle rank.
Embodiment 3,
When the battery electric quantity of the lithium cell of detected pressures sensor is 1.2V, no matter the speed of now vehicle, the emissive power of this pressure sensor is all regulated to be high-level.
Embodiment 4,
When LF (i.e. low frequency triggering command) triggers power regulation, if now regulating power is low, then it is low for keeping arranging emissive power; If during regulating power is, then keep arranging during regulating power is; If regulating power is high, then keep arranging regulating power for high.
From above-described embodiment 1-4, can find out, the inventive method makes system according to battery electric quantity change and speed of a motor vehicle change, can use different emissive powers, thus can improve functional (antijamming capability, avoid affect battery life, raising receptivity etc.) of system.
And the present invention can also receive low frequency triggering command, keep the emissive power regulating self-sensor device.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. tire pressure monitoring module regulates a method for emissive power automatically, it is characterized in that, comprises the steps:
S1. tire pressure monitoring module detects the battery electric quantity of self, and judges whether battery electric quantity is greater than 2.8V; If so, then S11 is entered; If not, then S21 is entered;
S11. tire pressure monitoring module detects the vehicle body velocities information of self, judges whether the speed of a motor vehicle is less than 40km/h; If so, then it is low for arranging emissive power; If not, then S12 is entered;
S12. judge whether the speed of a motor vehicle is less than 80km/h, if so, then arrange during emissive power is; If not, then emissive power is set for high;
S21. judge whether battery electric quantity is greater than 2.5V, if so, then enter S22; If not, then emissive power is set for high;
S22. judge whether the speed of a motor vehicle is less than 60km/h, if so, then arrange during emissive power is; If not, then emissive power is set for high.
2. tire pressure monitoring module as claimed in claim 1 regulates the method for emissive power automatically, and it is characterized in that, before S1 step, tire pressure monitoring module first judges whether to have received low frequency triggering command; If not, then enter S1, if so, then enter S31;
S31. judge whether regulating power is low, if so, then it is low for arranging emissive power; If not, then S32. is entered
S32. in judging that whether regulating power is, if so, then arrange during emissive power is; If not, then emissive power is set for high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966945.3A CN105539029B (en) | 2015-12-21 | 2015-12-21 | A kind of method that tire pressure monitoring module automatically adjusts transmission power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966945.3A CN105539029B (en) | 2015-12-21 | 2015-12-21 | A kind of method that tire pressure monitoring module automatically adjusts transmission power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105539029A true CN105539029A (en) | 2016-05-04 |
| CN105539029B CN105539029B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510966945.3A Active CN105539029B (en) | 2015-12-21 | 2015-12-21 | A kind of method that tire pressure monitoring module automatically adjusts transmission power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262636A (en) * | 2020-01-17 | 2020-06-09 | 惠州Tcl移动通信有限公司 | Method and device for enhancing network data transmission speed, storage medium and mobile terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050078002A1 (en) * | 2003-10-14 | 2005-04-14 | Youichi Okubo | Transmitter for tire condition monitoring apparatus |
| CN2707544Y (en) * | 2004-05-12 | 2005-07-06 | 陈敏 | Vehicular tyre air pressure checking and early-warning device |
| CN2767218Y (en) * | 2004-11-23 | 2006-03-29 | 比亚迪股份有限公司 | Early warning system for air pressure detection of tyre |
| CN201287594Y (en) * | 2008-08-26 | 2009-08-12 | 环隆电气股份有限公司 | Detection apparatus and system for tyre pressure |
| CN102729741A (en) * | 2012-07-06 | 2012-10-17 | 合肥昌辉汽车电子有限公司 | Wireless electricity supply system for tire pressure sensor |
-
2015
- 2015-12-21 CN CN201510966945.3A patent/CN105539029B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050078002A1 (en) * | 2003-10-14 | 2005-04-14 | Youichi Okubo | Transmitter for tire condition monitoring apparatus |
| CN2707544Y (en) * | 2004-05-12 | 2005-07-06 | 陈敏 | Vehicular tyre air pressure checking and early-warning device |
| CN2767218Y (en) * | 2004-11-23 | 2006-03-29 | 比亚迪股份有限公司 | Early warning system for air pressure detection of tyre |
| CN201287594Y (en) * | 2008-08-26 | 2009-08-12 | 环隆电气股份有限公司 | Detection apparatus and system for tyre pressure |
| CN102729741A (en) * | 2012-07-06 | 2012-10-17 | 合肥昌辉汽车电子有限公司 | Wireless electricity supply system for tire pressure sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262636A (en) * | 2020-01-17 | 2020-06-09 | 惠州Tcl移动通信有限公司 | Method and device for enhancing network data transmission speed, storage medium and mobile terminal |
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| CN105539029B (en) | 2017-11-07 |
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