CN103101408A - Tire position recognition system and method - Google Patents

Tire position recognition system and method Download PDF

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Publication number
CN103101408A
CN103101408A CN2011103568677A CN201110356867A CN103101408A CN 103101408 A CN103101408 A CN 103101408A CN 2011103568677 A CN2011103568677 A CN 2011103568677A CN 201110356867 A CN201110356867 A CN 201110356867A CN 103101408 A CN103101408 A CN 103101408A
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CN
China
Prior art keywords
antenna
tyre pressure
pressure sensor
tire
judged
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CN2011103568677A
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Chinese (zh)
Inventor
孙君毅
赖宏硕
林维俊
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台达电子工业股份有限公司
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Priority to CN2011103568677A priority Critical patent/CN103101408A/en
Publication of CN103101408A publication Critical patent/CN103101408A/en

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Abstract

The invention provides a tire position recognition system and a method. The tire position recognition system comprises: a plurality of tire pressure sensors respectively mounted on a plurality of tires so as to sense tire information of the tires; at least one antenna for emitting a first trigger signal, and receiving radiofrequency signals of the plurality of the tire pressure sensors in response to the trigger signal; and a controller coupled to the at least one antenna and used for determining relative positions of the tires in accordance with signal intensity of the radiofrequency signals received by the at least one antenna.

Description

Tire location recognition system and method

Technical field

The present invention relates to a kind of tire pressure monitoring system and tire location recognition technology.

Background technology

Tire pressure monitoring system (Tire Pressure Monitoring System, TPMS) be a kind of being installed on carrier, in order to monitor the system of each tire pressure, mainly formed by the controller that is installed in carrier and the tyre pressure sensor that is installed in each tire.Wherein, the mode that tire sensor can see through radio communication transmits a radiofrequency signal to master controller, and it comprises the relevant information (for example sensor heading code and battery electric quantity) of sensor and the relevant information (for example tire pressure and temperature) of tire; And master controller can be shown in aforementioned information one screen for the use of steerman reference after receiving this radiofrequency signal.Keep normal tire pressure because tire pressure detection system is conducive to tire, guarantee the life-span of tire, reduce unnecessary oil consumption, indirectly reduce the quantity discharged of carbon dioxide, therefore, the standard that becomes gradually the U.S. and European light-duty caravan is equipped with.

Yet, it should be noted that the master controller of tire pressure monitoring system is merely able to be obtained by above-mentioned radiofrequency signal the sensor heading code of each sensor, can't learn therefrom still that but each tire is at the actual position of carrier.Traditionally, for the position of the tire sensor that makes screen display meets position, border in fact, must be when each tire be installed, the actual position of each tire and tyre pressure sensor thereof is input in controller one by one.Yet, when steerman is changed one or more tire when maintenance, or during because of special factor changeable wheel fetal position, the practice that sees through the new location information of manual mode input tire is quite inconvenient, in addition, this practice is also brought adverse influence to depot's automated job.

In view of this, how to design a kind of new tire location recognition system, can be easy and the actv. mode obtain the position of tire, reach the efficient that improves depot's fitting line and maintenance factory and the purpose of comfort feature, be that present visitor does not allow slow and important topic that need to be resolved hurrily in fact.

Summary of the invention

The object of the present invention is to provide a kind of tire location recognition system and method, can be easy and the actv. mode obtain the position of tire.

The invention provides a kind of tire location recognition system, comprising: a plurality of tyre pressure sensors are installed on respectively on a plurality of tires, in order to the tire information of each tire of sensing; At least one antenna in order to launching one first energizing signal, and receives the radiofrequency signal that these a plurality of tyre pressure sensors respond this first energizing signal; One controller couples this at least one antenna, judges the relative position of each tire in order to the signal strength of the radiofrequency signal that receives according to this at least one antenna.

The present invention separately provides a kind of tire location recognition methods, comprising: the tire information of each tire of sensing; Launch one first energizing signal, and receive the radiofrequency signal that these a plurality of tyre pressure sensors respond this first energizing signal; The signal strength of the radiofrequency signal that this at least one antenna of foundation receives judges the relative position of each tire.

Description of drawings

Fig. 1 is the tire location recognition system schematic diagram that has single antenna in one embodiment of the invention.

Fig. 2 A is the tire location recognition system schematic diagram that has two antennas in one embodiment of the invention.

Fig. 2 B is the tire location recognition system schematic diagram that has two antennas in one embodiment of the invention.

Fig. 2 C is the tire location recognition system schematic diagram that has two antennas in one embodiment of the invention.

Fig. 2 D is the tire location recognition system schematic diagram that has two antennas in one embodiment of the invention.

Fig. 3 A is in conjunction with the schematic diagram of identification tire with the antenna for base station of antenna and passive keyless gate control system in one embodiment of the invention.

Fig. 3 B be in the embodiment of Fig. 3 A antenna and car body in conjunction with schematic diagram.

Fig. 4 A is the tire location recognition methods diagram of circuit in one embodiment of the invention.

Fig. 4 B is that the Keyless door in one embodiment of the invention is prohibited the method for control diagram of circuit.

Wherein, description of reference numerals is as follows:

102,104,106,106~tire;

112,114,116,118~tyre pressure sensor;

120~antenna;

130~controller;

202~off front wheel;

204~the near front wheel;

206~off hind wheel;

208~left rear wheel;

222,224,226,228~antenna;

302,304,306,308~tire;

312,314,316,318~tyre pressure sensor;

320~antenna;

330~controller;

350~responser.

The specific embodiment

Hereinafter for introducing most preferred embodiment of the present invention.Each embodiment is in order to illustrating principle of the present invention, but non-in order to limit the present invention.This paper does not describe in detail the various methods that have been well known to those skilled in the art, program, assembly, circuit, with the understanding of obstruction free reader to various embodiments of the present invention.Scope of the present invention is when being as the criterion with accompanying claim.

The tire location recognition system

Fig. 1 is the tire location recognition system schematic diagram that has single antenna in one embodiment of the invention.For convenience of description, this embodiment be have four tires 102,104,106 and 106 carrier 100 is example.

In this embodiment, tire location recognition system of the present invention comprises four tyre pressure sensors 112,114,116 and 118, one antenna 120 and a controller 130.Wherein, each tyre pressure sensor 112,114,116 and 118 is installed on respectively on each tire 102,104,106 and 106, in order to each tire 102,104 of sensing, 106 and 106 tire pressure.The antenna 120 of this embodiment is in order to launch an energizing signal to trigger this tyre pressure sensor 112,114,116 and 118.This energizing signal can be a low frequency signal, and for example, frequency is about the 125KHz left and right.Then, tyre pressure sensor 112,114,116 and 118 can respond this energizing signal and send radiofrequency signal.This radiofrequency signal can be a high-frequency signal, and for example, frequency is about about 315MHz or 433.92MHz.As prior art, controller 130 of the present invention is coupled to antenna 120, can send energizing signal in order to control above-mentioned antenna 120, and obtain from this radiofrequency signal that antenna 120 receives about tyre pressure sensor 112,114,116 and 118 information (for example sensor heading code and battery electric quantity), with and affiliated tire 102,104,106 and 106 relevant information (for example tire pressure and temperature).Yet, must be noted that except aforementioned applications, the radiofrequency signal that controller 130 of the present invention more can directly be received by this antenna 120 judges the relative position of each tire.Hereinafter will illustrate that the present invention judges the principle of tire location with various embodiment.

In the embodiment in figure 1, the quantity of antenna 120 is one, and it can send energizing signal to all tyre pressure sensors 112,114,116 and 118, and receives the radiofrequency signal of this energizing signal of response from each tyre pressure sensor 112,114,116 and 118.In this embodiment, antenna 120 can become and each tyre pressure sensor 112,114,116 and 118 distance of not waiting of interval all according to each set position configuration of taking turns placenta in when installing.For example, can be as shown in the figure, antenna 120 can be configured to be positioned at the left front of tire 102,104,106 and 108 4 center, and respectively with tyre pressure sensor 112,114,116 and 118 distance A, apart from B, distance C and distance B.Because signal strength is inversely proportional to square distance, therefore, see through this not equidistant configuration, this controller 130 can be easily judges each tire 102,104,106 and 106 distance according to the size of the signal strength (received signal strength indication, RSSI) of each tyre pressure sensor 112,114,116 and 118 radiofrequency signals that send.In this embodiment, the magnitude relationship that A<B<C<D is arranged due to antenna 120 and the distance of each tire, therefore, controller 130 can be considered as signal strength the maximum in the radiofrequency signal that receives to be sent by the tyre pressure sensor of nearest (distance A), and further information included in radiofrequency signal is corresponded to the tire 102 that is positioned at " left front ".In like manner, controller 130 can be considered as time large person of signal strength in the radiofrequency signal that receives to be sent by the tyre pressure sensor of distance time nearly (apart from B), and further information included in radiofrequency signal is corresponded to the tire 104 that is positioned at " right front "; Time little person of signal strength in the radiofrequency signal that receives is considered as being sent by the tyre pressure sensor of distance time (distance C) far away, and further information included in radiofrequency signal is corresponded to the tire 106 that is positioned at " left back "; And with signal strength reckling in the radiofrequency signal that receives be considered as by distance farthest the tyre pressure sensor of (distance B) sent, and further information included in radiofrequency signal is corresponded to the tire 108 that is positioned at " right abaft ".It should be noted that, for convenience of description, in this embodiment only take carrier with four tires as example, yet, in other embodiments, the tire number of carrier needn't be limited with four-wheel, on a carrier, as long as can antenna 120 be configured to and each tire distance of not waiting of interval all according to spirit of the present invention, controller 130 of the present invention can be easily for the tire location of various numbers.

Although can recognize that by previous embodiment the present invention sees through the purpose that single antenna can reach the judgement tire location, yet, because each tire may be because of turning to the distance that changes between itself and antenna during carrier is advanced, cause uncertain on tire location, therefore, in preferred embodiment, the configurable two or more antennas of the present invention are to locate more accurately, and Fig. 2 A to Fig. 2 D is all in order to illustrate this preferred embodiment.

Fig. 2 A is the tire location recognition system schematic diagram that has two antennas in one embodiment of the invention.In this embodiment, carrier has a near front wheel 202, an off front wheel 204, a left rear wheel 206 and an off hind wheel 208, and tire location recognition system of the present invention comprises two antennas 222 and 226, wherein an antenna 222 is positioned at the left side of this carrier, for example, can make itself and the near front wheel and left rear wheel interval probably equidistant, another antenna 226 is positioned at the front side of this carrier, for example, can make itself and revolver and the right interval of taking turns probably equidistant.Controller 230 of the present invention can this antenna 226 is received radiofrequency signal in signal strength the strongest both be judged to be tyre pressure sensor 212 and 214 from the near front wheel 202 and off front wheel 204; With signal strength the most weak both be judged to be tyre pressure sensor 216 and 218 from left rear wheel 206 and off hind wheel 208; In the radiofrequency signal that antenna 222 is received signal strength the strongest both be judged to be tyre pressure sensor 212 and 216 from the near front wheel 202 and left rear wheel 206; And with signal strength the most weak both be judged to be tyre pressure sensor 214 and 218 from off front wheel 204 and off hind wheel 208.In this embodiment, see through and compare the result of detecing of two antennas 222 and 226 simultaneously, can easily the position of four tires be located one by one.

Fig. 2 B is the tire location recognition system schematic diagram that has two antennas in one embodiment of the invention.Carrier in this embodiment has a near front wheel 202, an off front wheel 204, a left rear wheel 206 and an off hind wheel 208 equally, and tire location recognition system of the present invention comprises two antennas 224 and 226, wherein an antenna 224 is positioned at the right side of this carrier, for example, can make itself and off front wheel and off hind wheel interval probably equidistant, another antenna 226 is positioned at the front side of this carrier, for example, can make itself and revolver and the right interval of taking turns probably equidistant.Controller 230 of the present invention can this antenna 226 is received radiofrequency signal in signal strength the strongest both be judged to be tyre pressure sensor 212 and 214 from the near front wheel 202 and off front wheel 204; With signal strength the most weak both be judged to be tyre pressure sensor 216 and 218 from left rear wheel 206 and off hind wheel 208; In the radiofrequency signal that antenna 224 is received signal strength the strongest both be judged to be tyre pressure sensor 214 and 218 from off front wheel 204 and off hind wheel 208; And with signal strength the most weak both be judged to be tyre pressure sensor 212 and 216 from the near front wheel 202 and left rear wheel 206.In this embodiment, see through and compare the result of detecing of two antennas 224 and 226 simultaneously, can easily the position of four tires be located one by one.

Fig. 2 C is the tire location recognition system schematic diagram that has two antennas in one embodiment of the invention.Carrier in this embodiment has a near front wheel 202, an off front wheel 204, a left rear wheel 206 and an off hind wheel 208 equally, and tire location recognition system of the present invention comprises two antennas 222 and 228, wherein an antenna 222 is positioned at the left side of this carrier, for example, can make itself and the near front wheel and left rear wheel interval probably equidistant, another antenna 228 is positioned at the rear side of this carrier, for example, can make itself and revolver and the right interval of taking turns probably equidistant.Controller 230 of the present invention can this antenna 228 is received radiofrequency signal in signal strength the strongest both be judged to be tyre pressure sensor 216 and 218 from left rear wheel 206 and off hind wheel 208; With signal strength the most weak both be judged to be tyre pressure sensor 212 and 214 from the near front wheel 202 and off front wheel 204; In the radiofrequency signal that antenna 222 is received signal strength the strongest both be judged to be tyre pressure sensor 212 and 216 from the near front wheel 202 and left rear wheel 206; And with signal strength the most weak both be judged to be tyre pressure sensor 214 and 218 from off front wheel 204 and off hind wheel 208.In this embodiment, see through and compare the result of detecing of two antennas 222 and 228 simultaneously, can easily the position of four tires be located one by one.

Fig. 2 D is the tire location recognition system schematic diagram that has two antennas in one embodiment of the invention.Carrier in this embodiment has an off front wheel 202, a near front wheel 204, an off hind wheel 206 and a left rear wheel 208 equally, and tire location recognition system of the present invention comprises two antennas 228 and 224, wherein an antenna 224 is positioned at the right side of this carrier, for example, can make itself and off front wheel and off hind wheel interval probably equidistant, another antenna 228 is positioned at the rear side of this carrier, for example, can make itself and revolver and the right interval of taking turns probably equidistant.Controller 230 of the present invention can this antenna 228 is received radiofrequency signal in signal strength the strongest both be judged to be tyre pressure sensor 216 and 218 from left rear wheel 206 and off hind wheel 208; With signal strength the most weak both be judged to be tyre pressure sensor 212 and 214 from the near front wheel 202 and off front wheel 204; In the radiofrequency signal that antenna 224 is received signal strength the strongest both be judged to be tyre pressure sensor 214 and 218 from off front wheel 204 and off hind wheel 208; And with signal strength the most weak both be judged to be tyre pressure sensor 212 and 216 from the near front wheel 202 and left rear wheel 206.In this embodiment, see through and compare the result of detecing of two antennas 224 and 228 simultaneously, can easily the position of four tires be located one by one.

It should be noted that for convenience of description, in previous embodiment take single antenna (Fig. 1) or double antenna (Fig. 2 A to Fig. 2 D) as example, yet in other embodiments, the number of antenna needn't be as limit.In certain embodiments, although exceed the manufacturing cost that the antenna of necessary amount can increase system, the signal strength that can obtain each other can be verified mutually and proofread, and more is conducive to the lifting of tire setting accuracy.

In some special embodiment, can combine with the antenna for base station of a passive keyless gate inhibition (passive keyless entry, PKE) system in order to the antenna of identification tire in the present invention, reach the multiduty target of single device.Fig. 3 A is in conjunction with the schematic diagram of identification tire with the antenna for base station of antenna and passive keyless gate control system in one embodiment of the invention.Be with the embodiment something in common of Fig. 1: carrier 300 has tire 302,304,306 and 308, and tire location recognition system of the present invention comprises four tyre pressure sensor 312,314,316 and 318, one antenna 320 and controllers 330 that are installed on respectively on tire 302,304,306 and 308; Wherein, antenna 320 can be in order to launch an energizing signal to trigger these tyre pressure sensors 312,314,316 and 318; Tyre pressure sensor 112,114,116 and 118 can respond this energizing signal and send radiofrequency signal; Controller 330 can obtain from the radiofrequency signal that antenna 320 receives about tyre pressure sensor 312,314,316 and 318 information (for example sensor heading code and battery electric quantity), with and affiliated tire 302,304,306 and 36 relevant information (for example tire pressure and temperature), and the intensity of the radiofrequency signal that is directly received by this antenna 120 judges the relative position of each tire.Different from previous embodiment be in, the antenna 320 of this embodiment can double as the antenna for base station of passive " keyless gate inhibition system ".This antenna 320 can send another energizing signal to a responser 350.These responser 350 functions have the function similar with traditional key, but the user do not need personally to control key, as long as carry this responser 350, can reach the effect of automatic opening car door near carrier 300 time.When this responser 350 is triggered by antenna 320, can reply this antenna 320 with the scrambled message of a high frequency, and controller 320 can judge whether close door according to this scrambled message.See through in conjunction with " tire location recognition system " and reach " keyless gate inhibition system ", can further save the installing cost of controller and antenna.

It should be noted that aforementioned each embodiment only in order to describe the relative position between antenna and tire (and tire sensor), does not limit the antenna actual installation in the position of carrier.For example, antenna 320 can be installed on door-plate or the handle of chassis, roof or each car door of car body.For example, as shown in Fig. 3 B, antenna 320 can be arranged on the door knob of left side car door; Yet in other embodiments, the position that antenna 320 of the present invention arranges needn't be as limit.Being familiar with this skill personage can be according to consideration designed, designed and the configuration of practical application.

The tire location recognition methods

Except the aforesaid tyre position-recognizing system, the present invention provides again a kind of tire location recognition methods.Fig. 4 A is the tire location recognition methods diagram of circuit in one embodiment of the invention.Tire location recognition methods 400A of the present invention comprises at least: in step S402, and the tire information of each tire of sensing; In step S404, emission one first energizing signal; In step S406, receive the radiofrequency signal that these a plurality of tyre pressure sensors respond this first energizing signal; And in step S408, the signal strength of the radiofrequency signal that this at least one antenna of foundation receives judges the relative position of each tire.Fig. 4 B is that the Keyless door in another embodiment of the present invention is prohibited the method for control diagram of circuit.In certain embodiments, the present invention more combines Keyless door and prohibits method of control 400B except tire location recognition methods 400A.The method 400B comprises: in step S410, it is the antenna for base station of a passive keyless gate inhibition (passive keyless entry, PKE) that this antenna is doubled as; In step S412, send one second energizing signal to trigger a responser; And in step S414, receive a scrambled message of this second energizing signal of this transponder response.Can understand method of the present invention by the various embodiment with reference to the aforesaid tyre position-recognizing system owing to being familiar with those skilled in the art, so this paper repeats no more its implementation detail to save space.

Though the present invention discloses as above with preferred embodiment; so it is not to limit scope of the present invention; any those who are familiar with this art; without departing from the spirit and scope of the present invention; when can do a little change and adjustment, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.

Claims (20)

1. tire location recognition system comprises:
A plurality of tyre pressure sensors are installed on respectively on a plurality of tires, in order to the tire information of each tire of sensing;
At least one antenna in order to launching one first energizing signal, and receives the radiofrequency signal that these a plurality of tyre pressure sensors respond this first energizing signal;
One controller couples this at least one antenna, judges the relative position of each tire in order to the signal strength of the radiofrequency signal that receives according to this at least one antenna.
2. tire location recognition system as claimed in claim 1, wherein this at least one antenna amount is one, and with each tire distance of not waiting of interval all, and the signal strength size of the radiofrequency signal that this controller responds according to this a plurality of tyre pressure sensors judges the distance of each tire.
3. tire location recognition system as claimed in claim 1, wherein these a plurality of tires comprise off front wheel, a near front wheel, an off hind wheel and a left rear wheel of a carrier; This at least one antenna comprises one first antenna and one second antenna, and wherein this first antenna is positioned at front side or the rear side of this carrier, and this second antenna is positioned at left side or the right side of this carrier.
4. tire location recognition system as claimed in claim 3, be positioned at the front side of this carrier when this first antenna, and this second antenna is when being positioned at the left side of this carrier, in this controller radiofrequency signal that this first antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off front wheel and the near front wheel; With signal strength the most weak both be judged to be tyre pressure sensor from off hind wheel and left rear wheel; In the radiofrequency signal that this second antenna is received signal strength the strongest both be judged to be tyre pressure sensor from the near front wheel and left rear wheel; And with signal strength the most weak both be judged to be tyre pressure sensor from off front wheel and off hind wheel.
5. tire location recognition system as claimed in claim 3, be positioned at the front side of this carrier when this first antenna, and this second antenna is when being positioned at the right side of this carrier, in this controller radiofrequency signal that this first antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off front wheel and the near front wheel; With signal strength the most weak both be judged to be tyre pressure sensor from off hind wheel and left rear wheel; In the radiofrequency signal that this second antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off front wheel and off hind wheel; And with signal strength the most weak both be judged to be tyre pressure sensor from the near front wheel and left rear wheel.
6. tire location recognition system as claimed in claim 3, be positioned at the rear side of this carrier when this first antenna, and this second antenna is when being positioned at the left side of this carrier, in this controller radiofrequency signal that this first antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off hind wheel and left rear wheel; With signal strength the most weak both be judged to be tyre pressure sensor from off front wheel and the near front wheel; In the radiofrequency signal that this second antenna is received signal strength the strongest both be judged to be tyre pressure sensor from the near front wheel and left rear wheel; And with signal strength the most weak both be judged to be tyre pressure sensor from off front wheel and off hind wheel.
7. tire location recognition system as claimed in claim 3, be positioned at the rear side of this carrier when this first antenna, and this second antenna is when being positioned at the right side of this carrier, in this controller radiofrequency signal that this first antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off hind wheel and left rear wheel; With signal strength the most weak both be judged to be tyre pressure sensor from off front wheel and the near front wheel; In the radiofrequency signal that this second antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off front wheel and off hind wheel; And with signal strength the most weak both be judged to be tyre pressure sensor from the near front wheel and left rear wheel.
8. tire location recognition system as claimed in claim 1, wherein this radiofrequency signal of responding of each tyre pressure sensor comprises the heading code of each tyre pressure sensor.
9. tire location recognition system as claimed in claim 1, wherein this radiofrequency signal of responding of each tyre pressure sensor comprises the battery electric quantity of each tyre pressure sensor.
10. tire location recognition system as claimed in claim 1, wherein this radiofrequency signal of responding of each tyre pressure sensor comprises this tire information, and this tire information comprises the tire pressure of each tire.
11. tire location recognition system as claimed in claim 1, wherein this radiofrequency signal of responding of each tyre pressure sensor comprises this tire information, and this tire information comprises the temperature of each tire.
12. tire location recognition system as claimed in claim 1, wherein to double as be the antenna for base station of a passive keyless gate control system to this antenna, and send one second energizing signal triggering a responser, and receive a scrambled message of this second energizing signal of this transponder response.
13. a tire location recognition methods comprises:
The tire information of each tire of sensing;
Launch one first energizing signal;
Receive the radiofrequency signal that these a plurality of tyre pressure sensors respond this first energizing signal;
The signal strength of the radiofrequency signal that this at least one antenna of foundation receives judges the relative position of each tire.
14. tire location recognition methods as claimed in claim 13 more comprises:
One antenna configuration is become and each tire distance of not waiting of interval all; And
The distance of each tire of signal strength size judgement of the radiofrequency signal that these a plurality of tyre pressure sensors of foundation respond.
15. tire location recognition methods as claimed in claim 13, wherein these a plurality of tires comprise off front wheel, a near front wheel, an off hind wheel and a left rear wheel of a carrier; This tire location recognition methods more comprises:
With front side or the rear side of one first antenna configuration bit in this carrier; And
One second antenna position is disposed at left side or the right side of this carrier.
16. tire location recognition methods as claimed in claim 15 is positioned at the front side of this carrier when this first antenna, and this second antenna is when being positioned at the left side of this carrier, this tire location recognition methods more comprises:
In the radiofrequency signal that this first antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off front wheel and the near front wheel; With signal strength the most weak both be judged to be tyre pressure sensor from off hind wheel and left rear wheel;
In the radiofrequency signal that this second antenna is received signal strength the strongest both be judged to be tyre pressure sensor from the near front wheel and left rear wheel; And with signal strength the most weak both be judged to be tyre pressure sensor from off front wheel and off hind wheel.
17. tire location recognition methods as claimed in claim 15 is positioned at the front side of this carrier when this first antenna, and this second antenna is when being positioned at the right side of this carrier, this tire location recognition methods more comprises:
In the radiofrequency signal that this first antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off front wheel and the near front wheel; With signal strength the most weak both be judged to be tyre pressure sensor from off hind wheel and left rear wheel;
In the radiofrequency signal that this second antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off front wheel and off hind wheel; And with signal strength the most weak both be judged to be tyre pressure sensor from the near front wheel and left rear wheel.
18. tire location recognition methods as claimed in claim 15 is positioned at the rear side of this carrier when this first antenna, and this second antenna is when being positioned at the left side of this carrier, this tire location recognition methods more comprises:
In the radiofrequency signal that this first antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off hind wheel and left rear wheel; With signal strength the most weak both be judged to be tyre pressure sensor from off front wheel and the near front wheel;
In the radiofrequency signal that this second antenna is received signal strength the strongest both be judged to be tyre pressure sensor from the near front wheel and left rear wheel; And with signal strength the most weak both be judged to be tyre pressure sensor from off front wheel and off hind wheel.
19. tire location recognition methods as claimed in claim 15 is positioned at the rear side of this carrier when this first antenna, and this second antenna is when being positioned at the right side of this carrier, this tire location recognition methods more comprises:
In the radiofrequency signal that this first antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off hind wheel and left rear wheel; With signal strength the most weak both be judged to be tyre pressure sensor from off front wheel and the near front wheel;
In the radiofrequency signal that this second antenna is received signal strength the strongest both be judged to be tyre pressure sensor from off front wheel and off hind wheel; And with signal strength the most weak both be judged to be tyre pressure sensor from the near front wheel and left rear wheel.
20. tire location recognition methods as claimed in claim 15 more comprises:
It is the antenna for base station of a passive keyless gate control system that this antenna is doubled as;
Send one second energizing signal to trigger a responser; And
Receive a scrambled message of this second energizing signal of this transponder response.
CN2011103568677A 2011-11-11 2011-11-11 Tire position recognition system and method CN103101408A (en)

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CN107428215A (en) * 2015-03-27 2017-12-01 株式会社自动网络技术研究所 Communicator rigging position decision-making system and decision maker
CN108248303A (en) * 2018-01-19 2018-07-06 深圳市道通科技股份有限公司 Tire location localization method, device and tire pressure monitoring system

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN107428215A (en) * 2015-03-27 2017-12-01 株式会社自动网络技术研究所 Communicator rigging position decision-making system and decision maker
CN108248303A (en) * 2018-01-19 2018-07-06 深圳市道通科技股份有限公司 Tire location localization method, device and tire pressure monitoring system

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