CN101570117B - Methods for matching and debugging signals in tire pressure monitoring system - Google Patents
Methods for matching and debugging signals in tire pressure monitoring system Download PDFInfo
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Abstract
The invention discloses a method for matching signals, which is used for matching signals between a central monitor in a tire pressure monitoring system and at least one sensing transmitter and comprises the following: a step of acquisition: transmitting inducing signals one by one aiming at each sensing transmitter to induce the sensing transmitter to transmit a real-time signal to the central monitor, and capturing the real-time signal and storing identity code of the sensing transmitter contained in the real-time signal; and a step of matching: generating a learning signal containing the captured identity code, and transmitting the learning signal to the central monitor for learning and storage so as to finish the matching between the sensing transmitter and the central monitor. The methods provide a novel signal matching plan for the tire pressure monitoring system so that an operator is not necessary to perform a plurality of come-and-go operations between a cab and a tire, the complexity of signal matching is simplified, and the signal matching process becomes easier. The invention also relates to a method for debugging the signal matching.
Description
[technical field]
The present invention relates to a kind of system for monitoring pressure in tyre (TPMS), carry out Signal Matching method and the corresponding adjustment method of Signal Matching between the function control device on the vehicle body in particular to wherein being installed in the sensing transmitter on the tire and being installed in to set up its communication infrastructure each other.
[technical background]
TPMS, the abbreviation of Tire Pressure Monitoring System, be translated into system for monitoring pressure in tyre, be used for the principal parameters such as pressure and temperature of vehicle tyre are monitored in real time, pressure and temperature that is beneficial to guarantee tire etc. maintains in the standard range, play and reduce the probability of blowing out, ruin tire, reduce the effect of oil consumption and vehicle part damage rate.
TPMS comprises a plurality of highly sensitive sensing transmitter that is installed on each tire, data such as the pressure of monitoring tire, temperature in real time under driving or static state, and be transmitted into the included CSRC end of TPMS by wireless mode, demonstrate pressure and temperature through this CSRC end when front tyre, compare with standard pressure value and the safety temperature set simultaneously, and send corresponding sound, light warning etc. at different abnormal condition.Each sensing transmitter all has identity identification (ID) sign indicating number, but how the CSRC end is recognized is that the information that sends of which tire and which tire occupy which orientation of automobile and just become the key issue of accurately making judgement, mainly handles in the following way in the industry at present:
(1) complete identity code (ID) sign indicating number with sensing transmitter all is input to central monitor
Central monitor provides sensing transmitter ID the inputting interface of sign indicating number, then with 12 ID sign indicating numbers of sensing transmitter complete be input to central monitor, each sensing transmitter just can match with central monitor like this.This if take turns above truck at 10 simultaneously, sensing transmitter has tens because the ID code bit number of input is many, and the client imports more than ten ID sign indicating number, and is obviously more loaded down with trivial details, makes mistakes very much simultaneously.In addition, this mode only is applicable to the first installation when producing, for then inconvenience especially of the maintenance in the use in the future.
(2) send learning signal
By operation to central monitor, make central monitor enter mode of learning, then sensing transmitter is installed to tire valve, sensing transmitter can send learning signal (a period of time later sensing transmitter just only can send out normal pressure and temp information) in a period of time that sensing transmitter has just been installed, after central monitor receives learning signal, just the ID sign indicating number with this sensing transmitter is saved in the central monitor, the expression successful matching.In case after the successful matching, be exactly later normal reception and process information.There are the following problems for this mode: after the adjusting central monitor enters mode of learning in operator's compartment, the operator need run out from operator's compartment, then sensing transmitter is installed on the tire tube valve of tire, fill, exit to induce the transmission of learning signal, the wait central monitor is accepted learning signal, after waiting this sensing transmitter successful matching, enter operator's compartment adjusting central monitor again and enter mode of learning, to match another sensing transmitter, the commissioning staff runs back and forth and too bothers undoubtedly.Particularly the sensing transmitter that ought be provided with more for a long time, be easy to cause the central monitor mistake to learn the signal of other sensing transmitter, for this reason, the commissioning staff must be provided with what a sensing transmitter of study at every turn, after waiting for that this sensing transmitter learning signal distributes fully, just can remove to be provided with another sensing transmitter of study.Whole process is lost time too much, and operation is very lengthy and tedious.
(3) defeated last 3 ID sign indicating numbers
Central monitor provides sensing transmitter last 3 ID sign indicating number inputting interfaces, then successively with last 3 the ID sign indicating numbers input of a plurality of sensing transmitters central monitor, after all the ID sign indicating number of sensing transmitter all sets, again each sensing transmitter is installed on each tire correspondingly according to former order, this moment, central monitor will match this sensing transmitter according to last 3 ID sign indicating numbers, 12 ID sign indicating numbers of all of Bao Cuning just can normally use after pairing is good then.The defective that this mode is brought is: with there not being two identical above sensing transmitters of last 3 ID sign indicating numbers to exist in a collection of sensing transmitter, will make troubles to plant produced like this, exist the central monitor mistake to learn the possibility of sensing transmitter on other car simultaneously too.
(4) the ID sign indicating number combines with learning signal
A kind of method of improving above-mentioned known technology is that each sensing transmitter ID sign indicating number is inputed to central monitor earlier, each sensing transmitter sends learning signal when being installed to tire, compare with ID sign indicating number three figure places that prestore by central monitor back three, confirm as after relatively being complementary that the match is successful this sensing transmitter ID sign indicating number in the learning signal.Then, this mode still can't overcome back three identical problems of the ID sign indicating number of different sensing transmitters, although submitted discrimination to, has also increased the miscellaneous degree of operation undoubtedly.
In addition, above-mentioned all modes all are not suitable for the maintenance of tire when use also promptly is installed on the automobile, can only be suitable for tire relatively when just adorning, thereby, still can't facilitate for the regular maintenance of TPMS.Because the existing defective of above-mentioned technology, the specialization of inevitable requirement TPMS, can't safeguard popularly, install, newly purchase tire and when installing, the coupling of carrying out between sensing transmitter and the central monitor behind the tire is installed is undertaken by the professional person as the user.
[summary of the invention]
Purpose of the present invention will overcome above-mentioned deficiency exactly, and Signal Matching method in a kind of system for monitoring pressure in tyre of being convenient to popular popularization is provided, and makes sensing transmitter and the coupling between the central monitor in the system for monitoring pressure in tyre more simple and easy;
Another object of the present invention is to provide the multiple adjustment method that is suitable for above-mentioned Signal Matching method,, be convenient to industry standardization with the use of the above-mentioned Signal Matching method of standard.
For realizing this purpose, the present invention adopts following technical scheme:
Signal Matching method of the present invention is used for the central monitor of this system for monitoring pressure in tyre and the Signal Matching between at least one sensing transmitter, and it comprises the steps:
The step of gathering: launch inducement signal one by one at each sensing transmitter, to induce this sensing transmitter to this central monitor emission live signal, the identity feature code of intercepting and capturing this live signal and storing this sensing transmitter that is wherein comprised;
The step of coupling: the learning signal that produces the identity feature code comprise these intercepting and capturing is transmitted to central monitor and learns and store, to finish the coupling between this sensing transmitter and the central monitor.
Disclose according to one embodiment of present invention, in the step of gathering, when the identity feature code of being intercepted and captured is stored, identify the residing location information of corresponding sensing transmitter simultaneously, form one-to-one relationship between identity feature code and location information; Then, in the step of coupling, this learning signal comprises described identity feature code and location information in the lump, so that central monitor is directly stored this corresponding relation to realize coupling.Among this embodiment, sensing transmitter is preset with respect to the location information and the relation between its identity feature code of this car, central monitor just only needs identification and needn't differentiate corresponding relation between location information and the identity feature code again, and only needing directly, the storage application gets final product.More specifically, in the step of gathering, this location information characterizes by the uniqueness designation code that characterizes concrete physical orientation, so that in the step of coupling, central monitor is by the location information of the identification of the uniqueness designation code in identification learning signal sensing transmitter.
In order to embody the alerting ability in the design, adapt to the same embodiment, in the step of gathering, the collection of the identity feature code of each sensing transmitter both can correspond respectively to the same mode of operation of different acquisition function key, and each acquisition function key just can be according to default and to produce described uniqueness designation code automatically in addition corresponding to identity feature code thus; Also can correspond respectively to the different operating state of same acquisition function key, it is in addition corresponding to identity feature code in like manner also can to produce described uniqueness designation code by described different operating state thus.The cooresponding design of the relative multikey of the cooresponding design of singly-bound multimode, further simplified structure, reduced volume when helping deisgn product, the deficiency that bulky inconvenience is carried when overcoming the multikey design.
Disclose according to another embodiment of the present invention, in the step of gathering, launch inducement signal one by one and intercept and capture described identity feature code according to the default residing location order of sensing transmitter; Then in the step of coupling, the identity feature code that central monitor receives learning signal and mates each sensing transmitter according to the location order of institute's agreement successively and location information are with the formation one-to-one relationship.Present embodiment requires operating personal need observe the agreement of central monitor acquiescence, arranged the corresponding relation between each concrete position of foetus of identity feature code input order and automobile in this agreement, thereby operating personal needs according to the location order of this agreement captured identity condition code successively, to make acquisition operations more convenient like this, operating personal only need be remembered an order, as in the daily habits then before, a first left side and right, just can only finish acquisition step by operating a button, more easy than alternate manner.Therefore, the collection of the identity feature code of each sensing transmitter of present embodiment is all corresponding with the location order of pre-agreement with time sequence corresponding to the same mode of operation of same acquisition function key.
In Signal Matching method of the present invention, described learning signal comprises the identity feature code of the sensing transmitter that all have been gathered, so that be transferred to described central monitor with all identity feature code of being gathered are disposable.
The alleged inducement signal of the present invention is the masking signal that the low-frequency channel of sensing transmitter monitors the signal that is triggered when dangerous situation appears in tire pressure and/or temperature.
Perhaps, this inducement signal is the default judgment signal of sensing transmitter, sensing transmitter is subjected to the triggering of this judgment signal to send described live signal to central monitor, this judgment signal is the independent signal that is different from described masking signal, the inconvenience that can avoid the form difference of the sensing transmitter of country variant different vendor to bring like this can further form standardized inducement signal by this judgment signal.
Signal Matching adjustment method of the present invention is used for system for monitoring pressure in tyre the mutual coupling between central monitor and the sensing transmitter is debugged, and discloses according to one embodiment of the invention, comprises the steps:
(1) preparation one is according to the middle facility for study of aforementioned Signal Matching method realization;
(2) operate the different acquisition function key of this centre facility for study, be used for collecting correspondingly the identity feature code of each sensing transmitter, with the location information of different acquisition function key Automatic Logos sensing transmitters;
(3) central monitor being set makes it enter matching status;
(4) operate a learning functionality key of this centre facility for study, to send the learning signal that has comprised the corresponding relation between all identity feature code and location information separately thereof to central monitor;
(5) make central monitor discern this learning signal and storage, to judge the pairing sensing transmitter of each identity feature code according to this location information with respect to the residing orientation of this car.
The another kind of Signal Matching adjustment method of the present invention is used for system for monitoring pressure in tyre the mutual coupling between central monitor and the sensing transmitter is debugged, and comprises the steps:
(1) preparation one is according to the middle facility for study of aforementioned Signal Matching method realization;
(2) an acquisition function key operating this centre facility for study switches this acquisition function key between the different operating state, each mode of operation is used for collecting accordingly the identity feature code of a sensing transmitter, with the location information of the different operating state Automatic Logos sensing transmitter of this acquisition function key;
(3) central monitor being set makes it enter matching status;
(4) operate a learning functionality key of this centre facility for study, to send the learning signal that has comprised the corresponding relation between all identity feature code and location information separately thereof to central monitor;
(5) make central monitor discern this learning signal and storage, to judge the pairing sensing transmitter of each identity feature code according to this location information with respect to the residing orientation of this car.
The another kind of Signal Matching adjustment method of the present invention is used for system for monitoring pressure in tyre the mutual coupling between central monitor and the sensing transmitter is debugged, and comprises the steps:
(1) preparation one is according to the middle facility for study of aforementioned Signal Matching method realization;
(2) an acquisition function key operating this centre facility for study makes its state that is in image data, then according to the identity feature code of collecting each sensing transmitter of storage successively with the location order of central monitor institute agreement;
(3) central monitor being set makes it enter matching status;
(4) operate a learning functionality key of this centre facility for study, to have comprised the learning signal of all identity feature code to the central monitor sending order;
(5) make central monitor discern this learning signal and storage successively, judge the pairing sensing transmitter of each identity feature code with respect to the residing location information of this car with the succession that identity feature code is in the learning signal according to the location order of institute's agreement.
Another Signal Matching adjustment method of the present invention, this method are applicable to that sensing transmitter mates with central monitor one by one, comprises the steps:
(1) preparation one is according to the middle facility for study of aforementioned Signal Matching method realization;
(2) operate the identity feature code that the acquisition function key of this centre facility for study is gathered single sensing transmitter;
(3) central monitor is set and makes it enter matching status, and be adjusted to this sensing transmitter this parking stall of living in and put the corresponding interface that is provided with of information;
(4) operate a learning functionality key of this centre facility for study, to send the learning signal that has comprised this identity feature code to central monitor;
(5) make central monitor discern this learning signal, extract this identity feature code, default location information is associated with this identity feature code stores.
Above-mentioned multiple Signal Matching adjustment method is convenient to above-mentioned Signal Matching method is used flexibly.
Compared with prior art, the present invention possesses following advantage:
1) information matching method provided by the present invention, implemented by signal matching device, signal matching device is independent of outside central monitor and the sensing transmitter as middle facility for study, and make the user can use various adjustment method of the present invention that central monitor and sensing transmitter are carried out various Signal Matching easily, needn't be as charging and discharging gas as the conventional art, between operator's compartment and tire, walking about, be provided with voluntarily the lengthy and tedious operations such as identity feature code of sensing transmitter;
2) the multiple specific embodiment is contained in the present invention, has both considered the operational convenience of user, also considers the complexity that technology realizes, manufacturer can select according to different needs, to satisfy different use habits, different demand.As, can use the multi-mode mode of above-mentioned singly-bound to carry out the collection of identity feature code for professional area of maintenance, the more professional mode that can adopt a key acquisition order, and for crowd outside the professional domain such as terminal user, should tend to then that singly-bound patrilineal line of descent with only one son in each generation sense projector is gathered or the corresponding many sensing transmitters of multikey are gathered, finally finish Signal Matching;
3) apparatus structure proposed by the invention is simple, is easy to realize, be convenient for carrying, and also because low-frequency channel and high frequency circuit and control chip such as micro controller system etc. are matured product, therefore with low cost, be convenient to popular popularization.
[description of drawings]
Fig. 1 is the functional block diagram of system for monitoring pressure in tyre of the present invention, wherein comprises the functional block diagram of signal matching device;
Fig. 2 is the electrical block diagram of signal matching device of the present invention.
[specific embodiment]
The present invention is further illustrated below in conjunction with drawings and Examples:
See also Fig. 1, known system for monitoring pressure in tyre, comprise a plurality of sensing transmitters 11,12 and central monitor 2, sensing transmitter 11,12 inside have a low-frequency channel (not shown) and a high frequency circuit (not shown), this low-frequency channel is mainly used in and receives pressure and/or temperature and the signal that dangerous situation is sent when surpassing certain rated value occurs, this signal will be pretended in a following embodiment of the present invention, this high frequency circuit is used for to central monitor 2 emission live signals, and central monitor 2 is reported to the police after receiving this live signal by himself high frequency circuit (not shown).
The present invention is based on this principle, be transmitted to sensing transmitter 11 by an inducement signal, 12 low-frequency channel, activate sensing transmitter 11,12 outwards send live signal by its high frequency circuit, then intercept and capture its live signal and preserve wherein identity feature code and station location marker in addition, then disposable these information are exported to central monitor 2, finish the location coupling of this sensing transmitter by central monitor 2 according to identity feature code and station location marker.
Thus, in the present invention, in conjunction with Fig. 1 and Fig. 2, provide the signal matching device 8 of a middle facility for study of conduct, the circuit diagram of this device sees also Fig. 2.This device comprises the control logic 50 of a push-button unit 81, a wakeup unit 82, an extraction unit 83, a unit 84, an indicating member 86 and these unit of co-operative control.
Described push-button unit 81, two kinds of function keys are provided, wherein, several acquisition function keys 810 are as four or five, sensing transmitter 11 with several tires, 12 is corresponding one by one, offer control logic 50 control wakeup unit 82, and one of them learning functionality key 812 offers control logic 50 control units 84.
Described wakeup unit 82 is subjected to these several acquisition function keys 810 controls and produces described inducement signal and be transmitted to each cooresponding sensing transmitter 11,12.This wakeup unit 82 comprises: inducement signal generation device 821, be controlled by this acquisition function key 810, and produce described inducement signal according to default form; Low frequencies circuit 823 is used for described inducement signal to aerial emission.Among the primary embodiment of the present invention, the inducement signal that inducement signal generation device 821 produces is and sensing transmitter 11, the 12 identical masking signals of signal when dangerous situation appears in inside tires pressure and/or temperature that detected, the generation of this masking signal, can make sensing transmitter 11,12 pass through its high frequency circuit sends live signals to central monitor 2, and makes central monitor 2 flase alarm occur when not being set to learning state, makes noise.But this inducement signal can be emitted to the low-frequency channel (not shown) of sensing transmitter 11,12 to activate the live signal that sensing transmitter 11,12 outside emissions have comprised identity feature code by this low frequencies circuit 823.Inducement signal sends when wakeup unit 82 is controlled by this acquisition function key 810 just.
Described extraction unit 83, under the coordination of control logic 50, be used to intercept and capture described sensing transmitter 11,12 live signal and the extraction identity feature code wherein that activated outside emission are stored, because the number and the sensing transmitter 11 of acquisition function key 810, the 12nd, one to one, will set up the location information of sensing transmitter 11,12 and the one-to-one relationship between the identity feature code during storage.For example, the automobile left side of going forward, preceding right, a left side, back, right four the acquisition function keys 810 in back, a left side before corresponding respectively, preceding right, a left side, back, right four sensing transmitters (11 in back, 12 and more) carry out the collection of identity feature code, when each acquisition function key 810 is switched on and extracts identity feature code and stores, all sign goes up the corresponding location information of this identity feature code, this sign can adopt the variable that makes identity feature code in the internal memory and the corresponding mode of variable of location information to realize, also can realize by agreement internal memory physical address, can also realize by acquisition function key 810 corresponding different storing sub-units (not shown), howsoever, acquisition function key 810 and sensing transmitter 11, set up one-to-one relationship between 12, made the user obtain higher identifiability.Particularly, described extraction unit 83 comprises: high frequency receiving circuit 830 is used to receive the live signal that sensing transmitter 11,12 is induced the high frequency of emission; Extraction element 832 is used for extracting the identity feature code of live signal and storing.
Described unit 84 under the coordination of control logic 50, is subjected to described learning functionality key 812 controls, produces to comprise the learning signal of described identity feature code and be transmitted to central monitor 2.Described unit 84 comprises: learning signal generation device 841, be controlled by this learning functionality key 812, and produce the learning signal that comprises described identity feature code according to default form; High frequency transmission circuit 842 is used for described learning signal to aerial emission.The learning signal that learning signal generation device 841 is produced, derive from each identity feature code that said extracted unit 83 is extracted, learning signal also comprise with this identity feature code (corresponding to sensing transmitter 11,12) corresponding location information, in fact the one-to-one relationship that has comprised its corresponding location information of each identity feature code, in the present embodiment, after learning signal generation device 841 is activated by learning functionality key 812, by reading this corresponding relation that extraction unit 83 provides, packing is transferred to high frequency transmission circuit 842 to aerial emission.Thereby position coupling for 2 pairs of sensing transmitters 11,12 of central monitor.
In addition, signal matching device 8 also comprises an indicating member 86, this indicating member 86 can adopt sound, the light device of loud speaker, LED lamp or telltale and so on, is used to identify the mode of operation of wakeup unit 82 and/or unit 84, is convenient to process and result that the user understands each operation immediately.When adopting telltale,, can more clearly reach the purpose of displaying by representing the state that is provided with in a vehicle and each position of wheel thereof visually.
Please continue in conjunction with Fig. 1 and Fig. 2, when concrete circuit layout, the inducement signal generation device 821 of described wakeup unit 82, the extraction element 832 in the extraction unit 83 and the learning signal generation device in the unit 84 841 in company with described control logic 50 by same control chip 5 as chip microcontroller, this control chip 5 is as including the memory unit (not shown) for common storage in the micro controller system, therefore described indicating member 86 directly electrically connects with control chip 5.Described low frequencies circuit 823 comprises as Fig. 2: power amplifier 61 is used for the inducement signal of inducement signal generation device 821 is amplified output; Low frequencies network 62, the form that is used to change the inducement signal after this amplification is so that emission; Low-frequency coil 63 is used for finally to this inducement signal of aerial emission.Described high frequency receiving circuit 830 and high frequency transmission circuit 842 are incorporated in same high frequency transmission circuit and realize, this high frequency transmission circuit such as Fig. 2 comprise: high frequency transceiving chip 71 is used for live signal that is received and the learning signal that needs to launch are carried out format conversion processing; High-frequency oscillating circuits 72 electrically connects with high frequency transceiving chip 71; High frequency amplifies network 73, electrically connects with high frequency transceiving chip 71, is used to amplify the live signal that is received or amplifies the learning signal that needs transmission; High-frequency matching network 74 amplifies network 73 with high frequency and electrically connects, and is used for impedance match; High frequency dual-mode antenna 75 electrically connects with high-frequency matching network 74, is used to receive described live signal or finally launches described learning signal.
Be applicable to a kind of Signal Matching method of above-mentioned signal matching device 8, comprise its adjustment method, comprise the steps:
The step of gathering: utilize this signal matching device 8 as middle facility for study, at each sensing transmitter 11,12 launch inducement signal one by one, for example, when the user when the preceding left tire, operate one of them acquisition function key 810, send an inducement signal, launch live signals with sensing transmitter 11 in the left tire before inducing to this central monitor 2, at this moment, the extraction unit 83 of signal matching device 8 can be intercepted and captured these live signals, then the identity feature code in the live signal is extracted, and identity feature code is stored in corresponding memory address or storing sub-units to carry out the uniqueness sign as location information, or, create a variable during storage, generate the uniqueness designation code, form the storage of a location information and this identity feature code correlativity; After so using 810 pairs of a plurality of sensing transmitters 11,12 of a plurality of acquisition function keys to finish the collection of identity feature code, signal matching device 8 has just comprised the identity feature code of each sensing transmitter 11,12 and the location information in orientation of living in thereof;
The step of coupling: after finishing above-mentioned acquisition step, set central monitor 2 and be in the study matching status, also promptly receive sensing transmitter 11,12 the identity feature code and the state of location information thereof, learning functionality key 812 on the operation signal coalignment 8, activate learning signal generation device 841 wherein, read each sensing transmitter 11 of having gathered, 12 identity feature code and corresponding location information, after it all is packaged into learning signal, be transmitted to central monitor 2 and learn coupling, identity feature code that central monitor 2 can directly be stored this learning signal and comprised and the one-to-one relationship between the uniqueness designation code (location information), can finish the coupling between this sensing transmitter 11,12 and the central monitor 2.
In this process, sensing transmitter 11,12 have been gathered default in signal matching device 8 with respect to the location information and the one-to-one relationship between its identity feature code of this car, central monitor 2 just only needs identification and needn't differentiate corresponding relation between location information and the identity feature code again, and only needing directly, the storage application gets final product.More specifically, in the step of gathering, the uniqueness designation code of this location information by characterizing concrete physical orientation is (even identify with memory address or storing sub-units, when producing learning signal, also can be converted to 2 the uniqueness designation codes that can discern of central monitor) characterize, so that in the step of coupling, central monitor 2 is by the location information of the identification of the uniqueness designation code in identification learning signal sensing transmitter 11,12, also promptly physically with respect to the orientation of automobile.
In the present embodiment of signal matching device 8, the number of described acquisition function key 810 is not limited, for four-wheel car, as add spare tire, can be designed to have five sensing transmitters (11 in five acquisition function keys 810 and five tires, 12 and more) corresponding one by one, in like manner, for long truck, have eight or ten the wheel or more for a long time, just need on signal matching device 8, set up more acquisition function key 810, also bring some inconvenience thus.
In another embodiment of signal matching device 8 of the present invention, in order to embody the alerting ability in the design, described acquisition function key 810 has only one, but this acquisition function key 810 is designed to have different mode of operations, pressing, press for three times, press four kinds of mode of operations four times as individual palpation, secondary, as closing the state that resets on the meter, then is five kinds of mode of operations, with a last embodiment in like manner, the tire number of the number of mode of operation on should corresponding automobile set.In response to this design, in the step of gathering, each mode of operation of wakeup unit 82 usefulness acquisition function keys 810 is respectively correspondingly to each sensing transmitter 11,12 gather live signal, by extraction unit 83 corresponding each sensing transmitter 11 that extract, after 12 the identity feature code, with the pairing program process of described different operating state each identity feature code is stored in and carries out uniqueness sign in definite core position or the storing sub-units, perhaps with each identity feature code and uniqueness designation code relevance storage, so that in addition corresponding to identity feature code in unit 84, make it form identity feature code and will mate so that send to central monitor 2 by cooresponding related table with unique designation code.The corresponding a plurality of sensing transmitters 11 of single acquisition function key 810 multiple working conditions, 12 design, with respect to the corresponding many sensing transmitters 11 of many acquisition functions key 810 single states, 12 design, the different operating state can be identified by program, thereby can reduce the complexity of the circuit that is caused by multikey, simplifies the appearance design of signal matching device 8, and help dwindling the volume of signal matching device 8, the deficiency that bulky inconvenience is carried when overcoming the multikey design.
In the foregoing description that adopts a key multiple working conditions, when operating personal is debugged and the mode of above-mentioned employing multikey one mode of operation slightly different, when being in particular in the collection of carrying out identity feature code, change original with the corresponding different sensing transmitters 11 of different key, 12 mode is the corresponding different sensing transmitters 11 of different operating state with same button, 12 mode, promptly, acquisition function key 810 is switched to first mode of operation induces its emission live signal to extract and store first identity feature code for signal matching device 8 for first sensing transmitter 11 with the emission inducement signal, acquisition function key 810 is switched to second mode of operation induces its emission live signal to extract and store second identity feature code for signal matching device 8 for second sensing transmitter 12 with the emission inducement signal ... by that analogy, finish the acquisition step of the identity feature code of each sensing transmitter 11,12.
In this embodiment, compared to the former, the logic that is provided with of central monitor 2 is not made any change, and identity feature code that comprises in the learning signal that all only needs direct storage to be received and the one-to-one relationship between the uniqueness designation code get final product.
Among the another embodiment of signal matching device 8 of the present invention, described acquisition function key 810 still is an one key, but its function to inducement signal generation device 821 in the pairing wakeup unit 82 is different from aforementioned each embodiment, particularly, the acquisition function key 810 of present embodiment is once operation, the inducement signal generation device 821 that activates in this wakeup unit 82 continues this inducement signal of emission, and being pressed once more until this acquisition function key 810 resets.Accordingly, the extraction element 832 in the described extraction unit 83 also is designed to continue to receive from exterior live signal and handle by high frequency receiving circuit 830.Thus, operating personal is handed this signal matching device 8, press acquisition function key 810, then according to a preposition order, a left side for example, preceding right, a left side, back, the back is right, near four sensing transmitters 11,12 of automobile, every successively near a sensing transmitter 11,12, just activate this sensing transmitter 11,12 and postback live signal, reminding unit just extracts the identity feature code of this live signal then and stores, so each identity feature code storage successively in time, and abide by the preposition order, can determine the orientation of sensing transmitter 11,12 with respect to automobile according to this location order.Finish the collection of identity feature code of each sensing transmitter 11,12 of automobile at operating personal after, press acquisition function key 810 again, wakeup unit 82 and extraction unit 83 are quit work.Then, operating personal is provided with central monitor 2 and enters the study matching status, with signal matching device 8 close central monitors 2, only need press learning functionality key 812, unit 84 is just packed each identity feature code in chronological order and is transmitted to central monitor 2 by high frequency transmission circuit 842, central monitor 2 is good this location order of agreement (showing as the chronological order on the data flow), thereby only each identity feature code that need will arrange chronologically is reduced on central monitor 2 with the corresponding data in concrete orientation and gets final product.
The design of present embodiment, also only be to adopt the mode of single acquisition function key 810 to realize each sensing transmitter 11,12 the identity feature code and the collection of location information, different with aforementioned each embodiment is, its location information need be in central monitor 2 the predeterminated position order, and operating personal need be known this order, be actually between signal matching device 8 and the central monitor 2 and need set in advance this protocol contents, and the setting of the protocol contents of signal matching device 8 to be concrete operations by operating personal realize.
Present embodiment has been simplified design complexities equally, and a plurality of numerous and diverse buttons needn't be set on signal matching device 8, makes it be more convenient for carrying, to pocketization development.
Above-mentioned three signal matching devices that embodiment provided 8 and methods thereof, with and relevant adjustment method, realized that all gradation gathers each sensing transmitter 11,12 identity feature code, the then disposable function that makes central monitor 2 finish coupling, overcome in the known technology operating personal and between operator's compartment and tire, frequently walked about, carried out the defective of lengthy and tedious operation.
In an embodiment again of signal matching device 8 of the present invention, further simplify its design logic, make its foolization.Structurally, this device only adopts an acquisition function key 810, and only utilizes an one mode of operation.Operating personal is operated this acquisition function key 810 makes it drive the inducement signal generation device 821 of wakeup unit 82, produce an inducement signal and be transmitted to a sensing transmitter 11 by low frequencies circuit 823,12, this sensing transmitter 11,12 are activated outside emission live signal, the extraction unit 83 of signal matching device 8 is intercepted and captured this live signal, extract identity feature code wherein and preserved, then, operating personal is provided with central monitor 2 to importing a certain concrete orientation (as a preceding left side, preceding right, a left side, back, the back right sides etc. are according to the motor tire number, direction and position and decide) the state of identity feature code, then, with signal matching device 8 close central monitors 2, operate described learning functionality key 812, unit 84 is received this identity feature code of having gathered packing by high frequency transmission circuit 842 outside emissions and by central monitor 2, the signal that central monitor 2 receives these identity feature code unpacks and finishes relative set.So, for the coupling of each sensing transmitter 11,12, repeat one time said process with central monitor 2.
In this embodiment who further simplifies, signal matching device 8 has been simplified collection sensing transmitter 11 as middle facility for study, the function of 12 present position information, and change by artificial setting, though operating personal still need be walked about between operator's compartment and tire, but because the prosperity of programming technique, central monitor 2 intrinsic display equipment be convenient to present visual information and humanized setting is provided, thereby it will be comparatively easy that operating personal is provided with central monitor 2, and the operation of signal matching device 8 is more flexible, structure is more simple, in like manner, design logic is also uncomplicated, popular the promoting the use of of being more convenient for.
In the present invention, be used to activate described sensing transmitter 11,12 outwards launch the inducement signal of live signal, except that above-mentioned masking signal, can also be a kind of judgment signal of presetting (signal of a certain characteristic frequency of formulating as industry standard), this kind judgment signal is at sensing transmitter 11,12 internal preset, and activate by exterior judgment signal, sensing transmitter 11,12 are designed to when receiving exterior judgment signal and the in-to-in judgment signal compares, transmission one is different from another special signal of known live signal when both are complementary, do not alarm when thereby central monitor 2 receives this another signal, this measure can overcome in the previous embodiment because the flase alarm phenomenon of the central monitor 2 that live signal causes.Needing ben is that this judgment signal should be preset in sensing transmitter 11,12, do not occur in the present known like product, but the proposition of this notion of the present invention helps forming industry standard.The concrete form of inducement signal can carry out flexible design in response to sensing transmitter 11,12, but no matter is described masking signal or described judgment signal, all can be used for realizing device of the present invention and the whole bag of tricks.
In sum, the present invention makes operating personal repeatedly to come back operations between operator's compartment and tire for system for monitoring pressure in tyre provides new Signal Matching scheme, has simplified the complexity of Signal Matching, makes Signal Matching process wherein become more simple and easy.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention not merely are restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (14)
1. a Signal Matching method is used for the central monitor of this system for monitoring pressure in tyre and the Signal Matching between at least one sensing transmitter, it is characterized in that it comprises the steps:
The step of gathering: launch default judgment signal one by one at each sensing transmitter, launch the default special signal that is different from live signal, the identity feature code of intercepting and capturing this special signal and storing this sensing transmitter that is wherein comprised to induce this sensing transmitter to this central monitor;
The step of coupling: the learning signal that produces the identity feature code comprise these intercepting and capturing is transmitted to central monitor and learns and store, to finish the coupling between this sensing transmitter and the central monitor.
2. Signal Matching method according to claim 1 is characterized in that:
In the step of gathering, when the identity feature code of being intercepted and captured is stored, identify the residing location information of corresponding sensing transmitter simultaneously, form one-to-one relationship between identity feature code and location information;
In the step of coupling, this learning signal comprises described identity feature code and location information in the lump, so that central monitor is directly stored this corresponding relation to realize coupling.
3. Signal Matching method according to claim 2 is characterized in that:
In the step of gathering, this location information characterizes by the uniqueness designation code that characterizes concrete physical orientation, so that in the step of coupling, central monitor is by the location information of the identification of the uniqueness designation code in identification learning signal sensing transmitter.
4. Signal Matching method according to claim 3 is characterized in that: in the step of gathering, the collection of the identity feature code of each sensing transmitter corresponds respectively to the same mode of operation of different acquisition function key.
5. Signal Matching method according to claim 3 is characterized in that: in the step of gathering, the collection of the identity feature code of each sensor emission device corresponds respectively to the different operating state of same acquisition function key.
6. Signal Matching method according to claim 1 is characterized in that:
In the step of gathering, launch judgment signal one by one and intercept and capture described identity feature code according to the default residing location order of sensing transmitter;
In the step of coupling, the identity feature code that central monitor receives learning signal and mates each sensing transmitter according to the location order of institute's agreement successively and location information are with the formation one-to-one relationship.
7. Signal Matching method according to claim 6 is characterized in that: the collection of the identity feature code of each sensing transmitter is all corresponding with the location order of pre-agreement with time sequence corresponding to the same mode of operation of same acquisition function key.
8. according to any described Signal Matching method of claim 1 to 7, it is characterized in that: described learning signal comprises the identity feature code of the sensing transmitter that all have been gathered.
9. according to any described Signal Matching method of claim 1 to 7, it is characterized in that: this judgment signal for be preset in sensing transmitter in the identical judgment signal of judgment signal, sensing transmitter recognizes this external judgment signal and sends described special signal to central monitor when identical with the judgment signal of presetting.
10. according to any described Signal Matching method in the claim 1 to 7, it is characterized in that: in the step of described collection, after described identity feature code storage, show its event memory by an indicating member.
11. a Signal Matching adjustment method is used for system for monitoring pressure in tyre the mutual coupling between central monitor and the sensing transmitter is debugged, and it is characterized in that, comprises the steps:
(1) preparation one is according to any middle facility for study that described Signal Matching method realizes in the claim 1 to 4;
(2) operate the different acquisition function key of this centre facility for study, be used for collecting correspondingly the identity feature code of each sensing transmitter, with the location information of different acquisition function key Automatic Logos sensing transmitters;
(3) central monitor being set makes it enter matching status;
(4) operate a learning functionality key of this centre facility for study, to send the learning signal that has comprised the corresponding relation between all identity feature code and location information separately thereof to central monitor;
(5) make central monitor discern this learning signal and storage, to judge the pairing sensing transmitter of each identity feature code according to this location information with respect to the residing orientation of this car.
12. a Signal Matching adjustment method is used for system for monitoring pressure in tyre the mutual coupling between central monitor and the sensing transmitter is debugged, and it is characterized in that, comprises the steps:
(1) preparation one is according to any middle facility for study that described Signal Matching method realizes in the claim 1,2,3,5;
(2) an acquisition function key operating this centre facility for study switches this acquisition function key between the different operating state, each mode of operation is used for collecting accordingly the identity feature code of a sensing transmitter, with the location information of the different operating state Automatic Logos sensing transmitter of this acquisition function key;
(3) central monitor being set makes it enter matching status;
(4) operate a learning functionality key of this centre facility for study, to send the learning signal that has comprised the corresponding relation between all identity feature code and location information separately thereof to central monitor;
(5) make central monitor discern this learning signal and storage, to judge the pairing sensing transmitter of each identity feature code according to this location information with respect to the residing orientation of this car.
13. a Signal Matching adjustment method is used for system for monitoring pressure in tyre the mutual coupling between central monitor and the sensing transmitter is debugged, and it is characterized in that, comprises the steps:
(1) preparation one is according to any middle facility for study that described Signal Matching method realizes in the claim 1,6,7;
(2) an acquisition function key operating this centre facility for study makes its state that is in image data, then according to the identity feature code of collecting each sensing transmitter of storage successively with the location order of central monitor institute agreement;
(3) central monitor being set makes it enter matching status;
(4) operate a learning functionality key of this centre facility for study, to have comprised the learning signal of all identity feature code to the central monitor sending order;
(5) make central monitor discern this learning signal and storage successively, judge the pairing sensing transmitter of each identity feature code with respect to the residing orientation of this car with the succession that identity feature code is in the learning signal according to the location order of institute's agreement.
14. a Signal Matching adjustment method is used for system for monitoring pressure in tyre the mutual coupling between central monitor and the sensing transmitter is debugged, and it is characterized in that, comprises the steps:
(1) the middle facility for study of preparation one Signal Matching method realization according to claim 1;
(2) operate the identity feature code that the acquisition function key of this centre facility for study is gathered single sensing transmitter;
(3) central monitor is set and makes it enter matching status, and be adjusted to this sensing transmitter this parking stall of living in and put the corresponding interface that is provided with of information;
(4) operate a learning functionality key of this centre facility for study, to send the learning signal that has comprised this identity feature code to central monitor;
(5) make central monitor discern this learning signal, extract this identity feature code, default location information is associated with this identity feature code stores.
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| CN 200910039878 CN101570117B (en) | 2009-05-31 | 2009-05-31 | Methods for matching and debugging signals in tire pressure monitoring system |
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| CN 200910039878 CN101570117B (en) | 2009-05-31 | 2009-05-31 | Methods for matching and debugging signals in tire pressure monitoring system |
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| CN101570117B true CN101570117B (en) | 2011-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI593570B (en) * | 2014-05-30 | 2017-08-01 | Method to set the position of the tire pressure sensor |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118486B (en) * | 2009-12-31 | 2014-01-22 | 上海保隆汽车科技股份有限公司 | Tire pressure monitoring system and sensor management method |
| CN101746233B (en) * | 2010-02-10 | 2012-09-12 | 广东铁将军防盗设备有限公司 | Integrated system for tire pressure monitoring and vehicle stealing prevention and tire pressure monitoring method |
| CN102401740B (en) * | 2010-09-17 | 2014-10-22 | 深圳市加力尔电子科技有限公司 | Intelligent vehicle debugging method, server and debugging instrument of tire pressure monitoring system |
| DE102013101619A1 (en) * | 2013-02-19 | 2014-08-21 | Continental Reifen Deutschland Gmbh | Method for assigning tire positions to a vehicle with a tire pressure monitoring system |
| CN104029570A (en) * | 2013-03-04 | 2014-09-10 | 苏州驶安特汽车电子有限公司 | Mobile matcher, vehicle tire sensor identification system, and sensor matching method |
| CN104249610A (en) * | 2014-09-09 | 2014-12-31 | 南京泰晟科技实业有限公司 | Automatic addressing apparatus of tire-pressure monitoring sensor |
| CN104786753A (en) * | 2015-03-25 | 2015-07-22 | 王方圆 | Tire pressure monitoring system with signal matching device |
| CN107554209B (en) * | 2016-07-01 | 2020-06-02 | 宝沃汽车（中国）有限公司 | Matching method of tire pressure sensor and tire, controller and automobile |
| CN106994869B (en) * | 2017-03-07 | 2019-04-23 | 北汽福田汽车股份有限公司 | For the matched method, apparatus of tire pressure monitoring system and system |
| CN110549800B (en) * | 2019-09-11 | 2021-12-28 | 肇庆中晶实业有限公司 | Function control method of single-key tire pressure display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI593570B (en) * | 2014-05-30 | 2017-08-01 | Method to set the position of the tire pressure sensor |
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