CN102019821A - Method of integration of tyre pressure monitoring and key-free entering - Google Patents
Method of integration of tyre pressure monitoring and key-free entering Download PDFInfo
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- CN102019821A CN102019821A CN2009101751562A CN200910175156A CN102019821A CN 102019821 A CN102019821 A CN 102019821A CN 2009101751562 A CN2009101751562 A CN 2009101751562A CN 200910175156 A CN200910175156 A CN 200910175156A CN 102019821 A CN102019821 A CN 102019821A
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Abstract
The present invention discloses a method of integration of tyre pressure monitoring and key-free entering, which is applicable to a vehicle. The vehicle comprises a vehicle radio frequency transreceiving unit and a processor. The tyre of the vehicle comprises a tyre radio frequency transreceiving unit and a tyre pressure monitoring unit. After monitoring tyre pressure, the tyre sensing unit sends a tyre pressure information signal via the tyre radio frequency transreceiving unit. Firstly a remote controller sends a key-free entering radio frequency signal, when the vehicle radio frequency transreceiving unit receives the key-free entering radio frequency signal, the car-door lock is unlocked and the vehicle is started. The sending period of the tyre pressure information signal controlled by the processor via the vehicle radio frequency transreceiving unit and the tyre radio frequency transreceiving unit is the first period (T1), after engine stops, the sending period of the tyre pressure information signal is changed to be the second period (T2), wherein the first period (T1) is not more than the second period (T2).
Description
Technical field
The present invention is relevant for a kind of method of tire pressure monitoring, particularly a kind ofly integrates tire pressure monitoring and exempts from the method that key enters.
Background technology
During tire pressure (hereinafter to be referred as tire pressure) mal, except meeting reduces tire life and increase fuel consumption in vehicles, more can influence Che Liang Brake car performance or raising and blow out chance and result in an automobile accident generation.Therefore, for guaranteeing traffic safety, tire pressure monitoring system (Tire Pressure Monitoring System abbreviates TPMS as) is employed gradually, effectively to avoid vehicle to travel when the tire pressure mal and cause traffic accident.General tire pressure monitoring system comprises tyre pressure sensor and the RF transceiver that is installed in the tire position, is placed on RF transceiver and telltale in the car in addition.After tyre pressure sensor records the tire pressure data, transmit the tire pressure data behind the RF transceiver that is placed in the car, on telltale, show the tire pressure data by RF transceiver at the tire position.
Exempt from key and enter system (Keyless Entry System) and be widely used at present on the automobile, use and replace traditional physical key.Exempting from key enters system and can be divided into Remote Keyless Entry (be called for short RKE) and two kinds of forms of Passive Keyless Entry (being called for short PKE).RKE needs the user to press remote controller buttons just can open lock.PKE does not need the user to press remote controller buttons, as long as the close vehicle of remote controller, car door is a lock in person even if.No matter be the sort of form, remote controller all has RF transceiver, and the corresponding radio frequency transceiver also is installed in the car.
Above-mentioned tire pressure monitoring system and exempt from key to enter system be the system that belongs to independently working separately in the prior art, not interactive or shared each other part position.That is to say to have cover RF transceiver and an associated components to be used for corresponding tire pressure monitoring system in the automobile, and need another set of RF transceiver and associated components to be used for correspondence to exempt from key and enter system.Yet, tire pressure monitoring system and exempt from key and enter system and but be to use identical frequency to carry out the transmission of data.Therefore, use RF transceiver separately and associated components will cause hardware to repeat and the cost waste.
Summary of the invention
For improving the shortcoming of above-mentioned prior art, the object of the present invention is to provide and a kind ofly integrate tire pressure monitoring and exempt from the method that key enters.
For reaching above-mentioned purpose of the present invention, integration tire pressure monitoring of the present invention with exempt from the method that key enters and be applied to a vehicle and a remote controller.This vehicle comprises a vehicle radio frequency and passes receipts unit, an engine, at least one Door Lock and at least one tire.This tire comprises a tire radio frequency and passes a receipts unit and a tire pressure sensing cell.This tire pressure sensing cell monitoring tire pressure sends a tire pressure signal after pass the receipts unit by this tire radio frequency.This integration tire pressure monitoring with exempt from the method that key enters and comprise: this remote controller sends one and exempts from key and enter radiofrequency signal; This vehicle radio frequency passes to be received unit and receives this and exempt from after key enters radiofrequency signal this Door Lock release; Start this vehicle; And the transmission cycle that this tire radio frequency biography receipts unit of change sends this tire pressure signal is a period 1.
After this engine stops, changing this tire radio frequency and pass that to receive the transmission cycle that unit sends this tire pressure signal be a second round, wherein this period 1 is not more than this second round.
This period 1 is ten seconds each time, and be 20 minutes each time this second round.
The present invention has integrated tire pressure monitoring and has exempted from key and entered.Only need one group of RF transceiver to get final product corresponding tire pressure monitoring system and exempt from key in the car and enter system, therefore will save manufacturing cost greatly.Exempt from key and enter system's action in advance, use and untie Door Lock.Then, after starting vehicle, change (reduction) tire pressure monitoring system sends the cycle of tire pressure signal; And after cutting the engine, change (increase) tire pressure monitoring system sends the cycle of tire pressure signal, uses the power consumption of saving battery.Therefore also tire pressure monitoring system is divided with exempting from the in-service time that key enters system, and wireless signal each other more can not interfere with each other, and the easier hardware of reaching is shared.
Description of drawings
Fig. 1 is explanation integration tire pressure monitoring of the present invention and the application diagram of block of exempting from the method that key enters;
Fig. 2 is integration tire pressure monitoring of the present invention and the diagram of circuit of exempting from the method that key enters.
Wherein, Reference numeral:
Vehicle 10 remote controllers 20
Treater 100 vehicle radio frequencies pass receives unit 106
Engine 102 Door Locks 104
Tire 110 tire radio frequencies pass receives unit 112
Tire pressure sensing cell 114 is exempted from key and is entered RF signal S 1
Tire pressure signal S3 step S10～S90
The specific embodiment
Please refer to Fig. 1, it is explanation integration tire pressure monitoring of the present invention and the application diagram of block of exempting from the method that key enters.Integration tire pressure monitoring of the present invention with exempt from the method that key enters and be applied to a vehicle 10 and a remote controller 20.This vehicle 10 comprises a treater 100, a vehicle radio frequency passes and receives unit 106, an engine 102, at least one Door Lock 104 and at least one tire 110.
In this vehicle 10, this treater 100 is electrically connected to this vehicle radio frequency respectively and passes receipts unit 106, this engine 102 and this Door Lock 104, handled with the signal of handling this vehicle radio frequency biography receipts unit 106, and controlled the igniting (seeing through engine ignition mechanism) of this engine 102 and the keying of this Door Lock 104.
This tire 110 comprises a tire radio frequency and passes the tire pressure sensing cell 114 that receipts unit 112 and is electrically connected to this wireless tire biography receipts unit 112.These tire pressure sensing cell 114 monitoring tire pressures send a tire pressure signal S3 after pass receipts unit 112 by this tire radio frequency.After this vehicle radio frequency passed and receives unit 106 this tire pressure signal of reception S3, the user can learn the tire pressure state.Above-mentioned this vehicle radio frequency passes receipts unit 106 and this tire radio frequency biography receipts unit 112 has radiofrequency signal transmitting-receiving ability respectively, to transmit signals with each other.
Please refer to Fig. 2, it is integration tire pressure monitoring of the present invention and the diagram of circuit of exempting from the method that key enters.At first, this Door Lock 104 is locking state (S10).At this moment, these remote controller 20 transmissions one are exempted from key and are entered RF signal S 1 (S20).Then, this vehicle radio frequency passes and receives unit 106 and receive this and exempt from key and enter RF signal S 1 and authentication (S30): if authentification failure is then got back to this step S10; If authentication success, then these Door Lock 104 releases (S40).
Above-mentioned verification process is passed by this vehicle radio frequency and receives unit 106 and this is exempted from key enter RF signal S 1 and deliver to this treater 100 and handle, if authentication success, then this treater 100 can these Door Lock 104 releases of control.
Then, start this vehicle 10 (S50) after, change this tire radio frequency and pass that to receive the transmission cycle (second/time) that unit 112 sends this tire pressure signal S3 be a period 1 (S60).After this engine 102 stopped (S70), the transmission cycle (second/time) that rechanges this tire radio frequency biography receipts unit 112 this tire pressure signal of transmission S3 was a second round (S80).Wherein, this period 1 is not more than this second round.This period 1 for example can be ten seconds each time; Can be for example 20 minutes each time this second round.At last, lock this Door Lock (S90).
In above-mentioned steps S60, this treater 100 can be after lighting a fire this vehicle 10, pass receipts unit 106 by this vehicle radio frequency the periodic change order is sent to this tire radio frequency biography receipts unit 112, use and reduce the transmission cycle that sends this tire pressure signal S3, when driving a vehicle, can continue to monitor tire pressure.
In above-mentioned steps S80, after this treater 100 can stop at this engine 102 with this vehicle 10, pass receipts unit 106 by this vehicle radio frequency the periodic change order is sent to this tire radio frequency biography receipts unit 112, use the transmission cycle that sends this tire pressure signal S3 that increases, pass the power consumption of receiving unit 112 and this tire pressure sensing cell 114 to save this tire radio frequency.
Integration tire pressure monitoring of the present invention with exempt from the method that key enters and comprise following characteristics:
1. only need one group of RF transceiver to get final product corresponding tire pressure monitoring system and exempt from key in the car and enter system, therefore will greatly save manufacturing cost.
2. at first, exempt from key and enter in advance action of system, use and untie car door lock. Then, after starting vehicle, change (reduction) tire pressure monitoring system sends the cycle of tire pressure signal; And after cutting the engine, change (increase) tire pressure monitoring system sends the cycle of tire pressure signal, uses the power consumption of saving battery. Therefore also tire pressure monitoring system was divided with the action time of exempting from key and enter system, and wireless signal each other more can not interfere with each other, and the easier hardware of reaching is shared.
In sum, when knowing that the present invention has had industrial applicability, novelty and creativeness, structure of the present invention had not also seen like product and open the use again, met the application for a patent for invention important document fully, filed an application according to Patent Law in the whence.
Claims (3)
1. integrate tire pressure monitoring and exempt from the method that key enters for one kind, be applied to a vehicle and a remote controller, this vehicle comprises a vehicle radio frequency and passes receipts unit, an engine, at least one Door Lock and at least one tire, this tire comprises a tire radio frequency and passes a receipts unit and a tire pressure sensing cell, this tire pressure sensing cell monitoring tire pressure is after passed by this tire radio frequency and to receive unit and send a tire pressure signal, this integrations tire pressure monitoring and exempt from the method that key enters and comprise:
A. this remote controller transmission one is exempted from key and is entered radiofrequency signal;
B. this vehicle radio frequency passes and receives unit and receive this and exempt from after key enters radiofrequency signal this Door Lock release;
C. start this vehicle; And
D. change this tire radio frequency and pass that to receive the transmission cycle that unit sends this tire pressure signal be a period 1.
2. integration tire pressure monitoring as claimed in claim 1 with exempt from the method that key enters, it is characterized in that, also comprise:
E. after this engine stops, changing this tire radio frequency and pass that to receive the transmission cycle that unit sends this tire pressure signal be a second round, wherein this period 1 is not more than this second round.
3. integration tire pressure monitoring as claimed in claim 2 with exempt from the method that key enters, it is characterized in that this period 1 is ten seconds each time, be 20 minutes each time this second round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101751562A CN102019821A (en) | 2009-09-23 | 2009-09-23 | Method of integration of tyre pressure monitoring and key-free entering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101751562A CN102019821A (en) | 2009-09-23 | 2009-09-23 | Method of integration of tyre pressure monitoring and key-free entering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102019821A true CN102019821A (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101751562A Pending CN102019821A (en) | 2009-09-23 | 2009-09-23 | Method of integration of tyre pressure monitoring and key-free entering |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507579A (en) * | 2013-09-29 | 2014-01-15 | 芜湖市顺昌汽车配件有限公司 | Automobile tire pressure monitoring control system and control method thereof |
| CN103847689A (en) * | 2012-11-30 | 2014-06-11 | 重庆长安汽车股份有限公司 | Remote control key and tire pressure detecting system |
| CN107251443A (en) * | 2015-03-13 | 2017-10-13 | 株式会社自动网络技术研究所 | Communications system for vehicle and vehicular communication unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1521028A (en) * | 2003-02-06 | 2004-08-18 | 西门子Vdo汽车公司 | Data transmission method for a tire-pressure monitoring system of a vehicle |
| US20070021082A1 (en) * | 2005-07-19 | 2007-01-25 | Denso Corporation | Vehicle receiver system in which a single receiver circuit is controlled to receive signals transmitted from a plurality of remote devices having respectively different transmission frequencies |
-
2009
- 2009-09-23 CN CN2009101751562A patent/CN102019821A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1521028A (en) * | 2003-02-06 | 2004-08-18 | 西门子Vdo汽车公司 | Data transmission method for a tire-pressure monitoring system of a vehicle |
| US20070021082A1 (en) * | 2005-07-19 | 2007-01-25 | Denso Corporation | Vehicle receiver system in which a single receiver circuit is controlled to receive signals transmitted from a plurality of remote devices having respectively different transmission frequencies |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847689A (en) * | 2012-11-30 | 2014-06-11 | 重庆长安汽车股份有限公司 | Remote control key and tire pressure detecting system |
| CN103507579A (en) * | 2013-09-29 | 2014-01-15 | 芜湖市顺昌汽车配件有限公司 | Automobile tire pressure monitoring control system and control method thereof |
| CN103507579B (en) * | 2013-09-29 | 2017-02-08 | 芜湖市顺昌汽车配件有限公司 | Automobile tire pressure monitoring control system and control method thereof |
| CN107251443A (en) * | 2015-03-13 | 2017-10-13 | 株式会社自动网络技术研究所 | Communications system for vehicle and vehicular communication unit |
| CN107251443B (en) * | 2015-03-13 | 2019-06-18 | 株式会社自动网络技术研究所 | Communications system for vehicle and vehicular communication unit |
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Application publication date: 20110420 |