CN101618666A - The circuit arrangement of tyre pressure alarm and method of inspection thereof - Google Patents
The circuit arrangement of tyre pressure alarm and method of inspection thereof Download PDFInfo
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- CN101618666A CN101618666A CN200810127651A CN200810127651A CN101618666A CN 101618666 A CN101618666 A CN 101618666A CN 200810127651 A CN200810127651 A CN 200810127651A CN 200810127651 A CN200810127651 A CN 200810127651A CN 101618666 A CN101618666 A CN 101618666A
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Abstract
The present invention relates to a kind of circuit arrangement and method of inspection thereof of tyre pressure alarm, its be on each tire of vehicle respectively correspondence be provided with a tyre pressure alarm, each tyre pressure alarm is provided with a testing circuit, and its microprocessor controller is sent to a signal receiving circuit with the position of wheel identification code (ID) of each tire earlier; Then, the tire pressure value that detects each tire respectively with tyre pressure alarm is with as the standard pressure point; Afterwards, if the tire pressure value that records again is too high or too low when exceeding the percentum that standard pressure point one is scheduled to, then send with radio signal, and receive and pick out the source tire of radio signal by signal receiving circuit, and then give the alarm, also can show the tire pressure value simultaneously, make the driver can grasp the tire pressure state of each tire of vehicle at any time.This tyre pressure alarm uses applicable to the tire of various different tire pressure requirements.
Description
Technical field
The present invention relates to a kind of circuit arrangement and method of inspection thereof of tyre pressure alarm, especially refer on a kind of tire that is used in various different tire pressure requirements, by the mutual correspondence of testing circuit and signal receiving circuit, allow the driver can grasp the tire pressure state of each tire of vehicle at any time.
Background technology
With respect to the general vehicle, so safe, comfortable and the convenient or even rank and honour that automobile possessed is in the factor that all is the attractive purchase of automobile; Add the lifting of national economy ability, make domestic automobile quantity grow with each passing day.With regard to the safety of using, believe for the vast consumption group that has automobile, can reaching the destination of safety be of paramount importance.And influence the factor of traffic safety, the attention the when mental status when driving a vehicle, driving, each member of automobile itself (as: tire, braking system are arranged still except steerman ... Deng) whether can normally bring into play its function etc.Wherein, low or not enough with tire if the tire pressure of tire is crossed, then cause the serious abrasion of tire protector easily, and then make the crank of vehicle body; If the tire pressure of tire is too high, then tire might instantaneous generation explosion in the process of advancing, this is extremely a mortal wound for the vehicle in advancing, and for the steerman in the vehicle, cause life danger especially with the passenger of car, even jeopardizes other traveling vehicle of this vehicle periphery.Be with, the use of tyre pressure alarm really belongs to necessity.
Early stage tyre pressure alarm only can be detected the state of tire pressure deficiency, and has ignored the too high harm that causes aforementioned for life of tire pressure.Given this, No. 323600 patent case of TaiWan, China patent announcement discloses a kind of " circuit arrangement of tyre pressure alarm " (below be referred to as preceding case), and whether it not only can detect pressure of tire low excessively, and whether simultaneously also can detect tire pressure too high.
Should before case disclose and to have: one is arranged at detection transmission circuit and in the tyre pressure alarm is installed in signal receiving circuit on the Vehicular instrument panel.That is, correspondence is provided with a tyre pressure alarm respectively on each tire of vehicle, each tyre pressure alarm all has a housing, housing be provided with one with the through hole of the valve phase configuration of tire, in order to tyre pressure alarm is installed on the valve of this tire, the tire pressure in the tire is entered in the housing via this through hole; In this housing and be provided with a printed circuit board (PCB), and by being located at the detection transmission circuit on this printed circuit board (PCB), and can record tire pressure; Tire pressure detects transmission circuit and includes a pressure-sensing unit, a signal converter, a coding unit, a radio conversion unit and one first power supply device; If the tire pressure value that records is too high or too low, then send, and receive and pick out the source of radio signal, and then give the alarm by signal receiving circuit with radio signal, make the driver can grasp the tire pressure state of each tire of vehicle at any time.
Yet, though this preceding case can detect simultaneously tire pressure whether too high/low excessively, should before case be to make comparisons by the tire pressure value that will detect and its high pressure reference value and low pressure reference value of setting in advance, and acquisition high-voltage signal or low-voltage signal.And so, the tyre pressure alarm of case will be limited in only detecting on the pressure of tire that is consistent with high/low pressure reference value before being somebody's turn to do, in the time of if tyre pressure alarm will being used on the tire of higher (or lower) tire pressure requirements, then can't obtain correct detecting value, cause the tyre pressure alarm of this preceding case to be limited in only being used on some specific tire, and can't be used in various tires widely.
Summary of the invention
The contriver is because the shortcoming of case tyre pressure alarm before in the aforementioned prior art, and the circuit arrangement and the method for inspection thereof of tyre pressure alarm of the present invention are provided, in the hope of the disappearance that prior art produced of forgoing.
Technical matters to be solved by this invention is to provide a kind of circuit arrangement and method of inspection thereof of tyre pressure alarm, can be used on the tire of various different tire pressure requirements with order, by the mutual correspondence of testing circuit and signal receiving circuit, allow the driver can grasp the tire pressure state of each tire of vehicle at any time.
To achieve these goals, the invention provides a kind of tyre pressure alarm, its be on the valve of each tire of vehicle respectively correspondence be provided with a tyre pressure alarm; Each tyre pressure alarm has a housing, is provided with a testing circuit in it; On Vehicular instrument panel, be equiped with a signal receiving circuit in addition.During use, a microprocessor controller of each testing circuit is sent to the position of wheel identification code (ID) of each tire on the signal receiving circuit earlier, for the position of wheel of distinguishable each tire of signal receiving circuit; Then, microprocessor controller detects the tire pressure value of each tire more respectively, with as the standard pressure point, can be transmitted in signal receiving circuit simultaneously and show its tire pressure value; Afterwards, if the tire pressure value that records again is too high or too low when exceeding the percentum that standard pressure point one is scheduled to, then this too high or too low radio signal is sent to signal receiving circuit, and receive and pick out the source tire of radio signal by this signal receiving circuit, and then the alarm of sending abnormal tyre pressure, also can show the tire pressure value of this moment simultaneously, make the driver can grasp the tire pressure state of each tire of vehicle at any time.
According to above-mentioned purpose, also can be directly in microprocessor direct connection one luminescence component of the testing circuit of above-mentioned tyre pressure alarm, when this luminescence component received the too high or too low signal of this microprocessor output, this luminescence component can be luminous, represents that its tire pressure is for unusual.According to this, make the driver can directly grasp the tire pressure state of each tire, and learn whether its tire pressure is unusual in outside vehicle.
Description of drawings
Fig. 1 is the generalized section of tyre pressure alarm first embodiment of the present invention;
Fig. 2 is the diagram of block of the testing circuit of tyre pressure alarm of the present invention;
Fig. 3 is the detailed circuit diagram of the baroceptor of testing circuit among Fig. 2;
Fig. 4 is the wherein diagram of block of signal receiving circuit of tyre pressure alarm of the present invention;
Fig. 5 is the action flow chart of tyre pressure alarm of the present invention when detecting tire pressure;
Fig. 6 is the generalized section of tyre pressure alarm second embodiment of the present invention;
Fig. 7 is the wherein diagram of block of testing circuit of tyre pressure alarm the 3rd embodiment of the present invention;
Fig. 8 is the wherein diagram of block of testing circuit of tyre pressure alarm the 4th embodiment of the present invention;
Fig. 9 is the generalized section of tyre pressure alarm the 4th embodiment of the present invention.
[primary clustering nomenclature]
1. tyre pressure alarm 10. housings
12. lid 100. through holes
101. push rod 102. inlets
11. printed circuit board (PCB)
2. testing circuit 20. air pressure inductors
21. amplifier 22. first microprocessor controllers
221. analog/digital converter 222. digital comparison controllers
223. data encode processor 23. high frequency wireless launchers
24. first power supply device, 200. pressure sensors
202. amplifying circuit 3. signal receiving circuits
31. high frequency wireless receiver 32. second microprocessor controllers
321. data decode treater 322. shows/rings/speech processor
33, the voice device 34. second source feeding mechanisms of ringing are warned in demonstration
35. key control device 25. first luminescence components
The specific embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of following cooperation four preferred embodiments with reference to the accompanying drawings, can clearly present.
See also shown in Fig. 1,2,4, tool is one first embodiment of the circuit arrangement of tyre pressure alarm of the present invention, and this circuit arrangement mainly includes one and is arranged at testing circuit 2 and in the tyre pressure alarm 1 and is installed in signal receiving circuit 3 on the Vehicular instrument panel.
Correspondence is provided with a tyre pressure alarm 1 respectively on the valve (not shown) of each tire of vehicle.Each tyre pressure alarm 1 has a housing 10 and the screw lock lid 12 at housing 10 respectively.Housing 10 be provided with one with the through hole 100 of the valve phase configuration of tire, in through hole 100, also extend the push rod 101 that is provided with a hollow downwards, on push rod 101 and form one the inlet 102, whereby in order to tyre pressure alarm 1 is installed on the valve of tire, the tire pressure in the tire is entered in the housing 10 via through hole 100.Be provided with a printed circuit board (PCB) 11 in the housing 10, and by being located at the testing circuit 2 that pressure sensor 200 on the printed circuit board (PCB) 11 and other electronic component are formed, the interior tire pressure of tire can be entered in this pressure sensor 200 via the through hole on the housing 10 100, and can record tire pressure.
The detailed circuit diagram of air pressure inductor 20 sees also shown in Figure 3, and it comprises an above-mentioned pressure sensor 200 and an amplifying circuit 202.Wherein, pressure sensor 200 is located at printed circuit board (PCB) 11 records tire according to this pressure sensor 200 towards the direction of through hole 100 tire pressure, and export a pair of magnitude of voltage (being an analog signal) that should tire pressure, because the magnitude of voltage of its output is too little, so this magnitude of voltage is amplified via amplifying circuit 202;
First microprocessor controller 22 is connected in amplifier 21; This first microprocessor 22 includes an analog/digital converter 221, one a digital comparison controller 222 and a data encode processor 223.Wherein, analog/digital converter 221 is a digital signal with the analog signal conversion of amplifier 21 outputs, and exports digital comparison controller 222 to.The digital signal (the tire pressure value of each tire) that this numeral comparison controller 222 is exported analog/digital converter 221 for the first time, as the standard pressure point, and when this analog/digital converter was exported new digital signal (the tire pressure value that each tire is new) again after this is exported for the first time, digital signal that this is new and standard pressure point were made comparisons; If this new digital signal (for example: in the time of+25%), then export a high-voltage signal is higher than percentum that standard pressure point one is scheduled to; (for example: in the time of-15%), then export a low-voltage signal, this high-voltage signal, low-voltage signal are all the impulse singla of numeral if this new digital signal is lower than standard pressure point one predetermined percentum.Data encode processor 223 is encoded the position of wheel identification code (ID) of high-voltage signal, low-voltage signal and each tire, and gives output;
High frequency wireless launcher 23 is converted to a less radio-frequency (RF) signal output with high-voltage signal, low-voltage signal or the position of wheel identification code of 22 outputs of first microprocessor controller;
First power supply device 24 is rechargeable battery or lithium cell, and is electrically connected with printed circuit board (PCB) 11.Required power supply when this first power supply device 24 supply air pressure inductors 20, amplifier 21, first microprocessor controller 22 and 23 runnings of high frequency wireless launcher.
Above-mentioned signal receiving circuit 3 is to be the best on the instrument carrier panel that is installed in vehicle, so that the driver can grasp the tire pressure state of each tire of vehicle at any time.This signal receiving circuit 3 includes a high frequency wireless receiver 31, one second microprocessor controller 32, and shows warning voice ring a device 33 and a second source feeding mechanism 34; Include a key control device 35 in addition.Wherein:
The radio frequency signal that the high frequency wireless launcher 23 of high frequency wireless receiver 31 receiving test circuits 2 is exported, and with it output;
Second microprocessor controller 32 includes a data decode treater 321 and and shows/ring/speech processor 322.Data decode treater 321 is decoded the radio frequency signal of high frequency wireless receiver 31 output, and picks out high-voltage signal, low-voltage signal or position of wheel identification code, and exports to and show/ring/speech processor 322;
Show that the warning voice device 33 of ringing receives and shows/ring/high-voltage signal, low-voltage signal or the position of wheel identification code of speech processor 322 outputs, and these high-voltage signals, low-voltage signal or position of wheel identification code be shown in a read out instrument (as: lcd screen, LED digital display, second luminescence component), the driver is known learn that the tire pressure of that tire or those several tires is too high or too low, and the tire pressure value that demonstrates reality, also can give the alarm through the form of loudspeaker more simultaneously, to notify the state of driver's abnormal tyre pressure with voice;
Second source feeding mechanism 34 can be direct supply (12V～24V), the rechargeable battery or the disposable battery of vehicle; It can provide high frequency wireless receiver 31, second microprocessor controller 32, show power supply required when device 33 and key control device 35 runnings are rung in warning.
Key control device 35 is connected in second microprocessor controller 32, and this key control device 35 can be a keyboard, as the use of input.
The method of inspection of tyre pressure alarm of the present invention, be earlier on the valve of each tire of vehicle respectively correspondence be provided with a tyre pressure alarm 1, first microprocessor controller 22 of the testing circuit 2 of each tyre pressure alarm 1 can be earlier be sent to the position of wheel identification code (ID) of each tire on the signal receiving circuit 3, for the position of wheel of signal receiving circuit 3 distinguishable each tire;
Then, first microprocessor controller 22 detects the tire pressure value of each tire more respectively, with as the standard pressure point, can be transmitted in signal receiving circuit simultaneously and show its tire pressure value;
Afterwards, if the tire pressure value that records again (for example is higher than standard pressure point+25% because of too high or too low when exceeding the percentum that standard pressure point one is scheduled to, or be lower than standard pressure point-15%), then this too high or too low wireless radiofrequency electric signal is sent to signal receiving circuit 3, and receive and pick out the source tire of radio signal by this signal receiving circuit 3, and then the alarm of sending abnormal tyre pressure, also can show tire pressure value at this moment simultaneously.
In the method, the setting of its standard pressure point is, when first microprocessor controller 22 detects the tire pressure value of each tire, after measured tire pressure value surpasses the regular hour (for example 5 seconds) greater than 1PSI and this tire pressure value of constant maintenance, be this standard pressure point just with this tire pressure value memory.
In the method, when the tire pressure value that detects each tire during, then reply again and detect the tire pressure value less than 1PSI.
In the method, when vehicle during in the state that is not activated, first microprocessor controller 22 enters sleep state with testing circuit 2, to save the electric power of first power supply device 24.
In the method, when first microprocessor controller 22 detects the power shortage of first power supply device 24, then the wireless radiofrequency electric signal with a light current power is sent to signal receiving circuit 3, makes this signal receiving circuit 3 receive and demonstrate the caution of these first power supply device, 24 light current power.
See also shown in Figure 5ly, open and each tyre pressure alarm 1 when being activated when first power supply device 24, its first microprocessor controller 22 is to handle according to following step:
(501) at first, the position of wheel identification code (ID) of each tire is sent on the signal receiving circuit 3, for the position of wheel of signal receiving circuit 3 distinguishable each tire;
(502) detect the tire pressure value of each tire;
Can't (503) do you judge that this tire pressure value is lower than 1PSI and maybe keeps 5 seconds constant? if then reply again and detect the tire pressure value; Otherwise, proceed following step (504);
(504) this tire pressure value is made as the standard pressure point;
(505) detect the tire pressure value of each tire;
(506) do you judge that this tire pressure value is higher than standard pressure point+25%? if carry out step (509); Otherwise, proceed following step (507);
(507) do you judge that this tire pressure value is lower than standard pressure point-15%? if carry out step (510); Otherwise, proceed following step (508);
Is (508) electric power of judging first power supply device 24 light current power? if carry out step (511); Otherwise, proceed step (505);
(509) the tire pressure value is too high signal is sent to signal receiving circuit 3, then carries out step (505) again;
(510) the tire pressure value is low excessively signal is sent to signal receiving circuit 3, then carries out step (505) again;
(511) the light current force signal with first power supply device 24 is sent to signal receiving circuit 3, then carries out step (505) again.
Fig. 6 is the generalized section of tyre pressure alarm second embodiment of the present invention, shows the another kind of kenel of the tyre pressure alarm that the present invention implemented, and it has above-mentioned first embodiment identical device and method of inspection equally.That is, according to the present invention, may be implemented on the tyre pressure alarm of any kenel.
Fig. 7 is the wherein diagram of block of testing circuit of tyre pressure alarm the 3rd embodiment of the present invention, it mainly is, be connected with one first luminescence component 25 at first microprocessor controller 22, it is in parallel with high frequency wireless launcher 23, and gives first luminescence component 25 by first power supply device, 24 supply power supplys.When this first luminescence component received the too high or too low signal of first microprocessor controller, 22 outputs, first luminescence component 25 can be luminous, and the tire pressure of expression tire is unusual.Therefore, the driver not only can be learnt the tire pressure state of each tire of vehicle by its signal receiving circuit 3 in car; Also can comply with the whether luminous of first luminescence component 25, and learn the tire pressure state of each tire in outside vehicle.
Fig. 8 is the wherein diagram of block of testing circuit of tyre pressure alarm the 4th embodiment of the present invention, and Fig. 9 is its generalized section.It mainly is at first microprocessor controller, 22 direct connections one first luminescence component 25 to be arranged, and supply its power supplys by first power supply device 24.When first luminescence component 25 received the too high or too low signal of first microprocessor controller, 22 outputs, this first luminescence component 25 can be luminous, and the tire pressure of expression tire is unusual.Therefore, the driver does not need by signal receiving circuit 3, and can comply with the whether luminous of first luminescence component 25 in outside vehicle, and learns the tire pressure state of each tire.In the circuit structure of the 4th embodiment, because the output signal of first microprocessor controller 22 is to be connected directly to first luminescence component 25, be not to be emitted to signal receiving circuit in RF radio frequency transmission mode via the high frequency wireless launcher, therefore, the output signal of first microprocessor controller 22 need not coding, thereby this first microprocessor controller 22 need not to possess the data encode processor.
Though the present invention is described in detail by above-mentioned preferred embodiment, the above instrument makes the personnel that know present technique can be easier to understand the present invention in order to explanation the present invention, is not to be used for limiting scope of the invention process.So all equalizations of doing according to described shape structural attitude of claim of the present invention and spirit change and modify, and all should be contained in the claim scope of the present invention.
Claims (13)
1, a kind of circuit arrangement of tyre pressure alarm, it is characterized in that, its be on the valve of each tire of vehicle respectively correspondence be provided with a tyre pressure alarm, this tyre pressure alarm has a housing, be provided with a printed circuit board (PCB) in it, and by being located at the testing circuit that pressure sensor on this printed circuit board (PCB) and other electronic component are formed, and record the tire pressure of this tire; Wherein, this testing circuit includes:
One air pressure inductor, it has this pressure sensor and an amplifying circuit; This pressure sensor is located at the direction of this printed circuit board (PCB) towards the valve of this tire, and this pressure sensor records the tire pressure of this tire, and exports a pair of magnitude of voltage that should tire pressure, and this magnitude of voltage is an analog signal, and through this amplifying circuit this magnitude of voltage is amplified;
One amplifier is connected in this air pressure inductor, and the analog signal of this air pressure inductor output is amplified;
One first microprocessor controller is connected in this amplifier, and this first microprocessor is provided with an analog/digital converter, a digital comparison controller and a data encode processor; This analog/digital converter is a digital signal with the analog signal conversion of this amplifier output, and exports this numeral comparison controller to; The digital signal of the tire pressure value of each tire of expression that this numeral comparison controller is exported this analog/digital converter for the first time, as the standard pressure point, and at this analog/digital converter after this is exported for the first time again during the new digital signal of the new tire pressure value of each tire of expression of output, the digital signal that this is new and this standard pressure point are made comparisons, when if this new digital signal is higher than the percentum that this standard pressure point one is scheduled to, then export a high-voltage signal, if when this new digital signal is lower than the percentum that this standard pressure point one is scheduled to, then export a low-voltage signal; This data encode processor is encoded the position of wheel identification code of this high-voltage signal, this low-voltage signal and each tire, and gives output;
One high frequency wireless launcher is connected in this first microprocessor controller, and high-voltage signal, low-voltage signal or position of wheel identification code that this first microprocessor controller is exported are converted to radio frequency signal output; And
One first power supply device, itself and this printed circuit board (PCB) is electrically connected, and the supply power supply gives this air pressure inductor, this amplifier, this first microprocessor controller and this high frequency wireless launcher;
The circuit arrangement of this tyre pressure alarm also includes a signal receiving circuit, and it is installed in the car of this vehicle, receives the radio frequency signal that this testing circuit is exported, and gives demonstration.
2, the circuit arrangement of tyre pressure alarm according to claim 1 is characterized in that, this signal receiving circuit is installed on the instrument carrier panel of this vehicle, and this signal receiving circuit includes:
One high frequency wireless receiver receives the radio frequency signal that the high frequency wireless launcher of this testing circuit is exported, and with it output;
One second microprocessor controller is provided with a data decode treater and and shows/ring/speech processor; This data decode treater is decoded the radio frequency signal of this high frequency wireless receiver output, and picks out this high-voltage signal, this low-voltage signal or this position of wheel identification code, and exports this demonstration/ring/speech processor to;
The voice device of ringing is warned in one demonstration, receive this and show/ring/high-voltage signal, low-voltage signal or the position of wheel identification code of speech processor output, and these high-voltage signals, low-voltage signal or position of wheel identification code be shown in a read out instrument, and demonstrate actual tire pressure value; And
One second source feeding mechanism, required power supply when providing this high frequency wireless receiver, this second microprocessor controller and this demonstration warning to ring the voice device running.
3, the circuit arrangement of tyre pressure alarm according to claim 2, it is characterized in that, this signal receiving circuit further includes a key control device, and it is connected in this second microprocessor controller, and provides its when running required power supply by this second source feeding mechanism.
4, the circuit arrangement of tyre pressure alarm according to claim 2 is characterized in that, it is lcd screen, LED digital display or second luminescence component that the voice device of ringing is warned in this demonstration.
5, the circuit arrangement of tyre pressure alarm according to claim 1, it is characterized in that, this first microprocessor controller is connected with one first luminescence component, and it is in parallel with this high frequency wireless launcher, and gives this first luminescence component by this first power supply device supply power supply.
6, a kind of circuit arrangement of tyre pressure alarm, it is characterized in that, its be on the valve of each tire of vehicle respectively correspondence be provided with a tyre pressure alarm, this tyre pressure alarm has a housing, be provided with a printed circuit board (PCB) in it, and by being located at the testing circuit that pressure sensor on this printed circuit board (PCB) and other electronic component are formed, and record the tire pressure of this tire; Wherein, this testing circuit includes:
One air pressure inductor, it has this pressure sensor and an amplifying circuit; This pressure sensor is located at the direction of this printed circuit board (PCB) towards the valve of this tire, and this pressure sensor records the tire pressure of this tire, and exports a pair of magnitude of voltage that should tire pressure, and this magnitude of voltage is an analog signal, and through this amplifying circuit this magnitude of voltage is amplified;
One amplifier is connected in this air pressure inductor, and the analog signal of this air pressure inductor output is amplified;
One first microprocessor controller is connected in this amplifier, and this first microprocessor is provided with an analog/digital converter and a digital comparison controller; This analog/digital converter is a digital signal with the analog signal conversion of this amplifier output, and exports this numeral comparison controller to; The digital signal of the tire pressure value of each tire of expression that this numeral comparison controller is exported this analog/digital converter for the first time, as the standard pressure point, and in this analog/digital converter after this is exported for the first time again during the new digital signal of the new tire pressure value of each tire of expression of output, the digital signal that this is new and this standard pressure point are made comparisons, when if this new digital signal is higher than the percentum that this standard pressure point one is scheduled to, then export a high-voltage signal, if when this new digital signal is lower than the percentum that this standard pressure point one is scheduled to, then export a low-voltage signal;
One first luminescence component is connected in this first microprocessor controller, and this high-voltage signal or this low-voltage signal that this first microprocessor controller is exported are shown; And
One first power supply device, itself and this printed circuit board (PCB) is electrically connected, and the supply power supply gives this air pressure inductor, this amplifier, this first microprocessor controller and this first luminescence component.
7, the circuit arrangement of tyre pressure alarm according to claim 6 is characterized in that, this first power supply device is rechargeable battery or lithium cell.
8, a kind of method of inspection of tyre pressure alarm, it is characterized in that, its be earlier on the valve of each tire of vehicle respectively correspondence be provided with a tyre pressure alarm, one first microprocessor controller of one testing circuit of each tyre pressure alarm is sent to the position of wheel identification code of each tire on one signal receiving circuit earlier, for the position of wheel that this signal receiving circuit is differentiated each tire, this testing circuit has a power supply device and supplies its power supply;
Then, this first microprocessor controller detects the tire pressure value of each tire more respectively, with the standard pressure point as this tire;
Afterwards, if the tire pressure value that records again is too high or too low when exceeding the percentum that this standard pressure point one is scheduled to, then this too high or too low wireless radiofrequency electric signal is sent to this signal receiving circuit, and receive and pick out the source tire of radio signal and then the alarm of sending abnormal tyre pressure by this signal receiving circuit.
9, the method for inspection of tyre pressure alarm according to claim 8, it is characterized in that, the setting of this standard pressure point is, when this first microprocessor controller detects the tire pressure value of each tire, when measured tire pressure value greater than 1PSI and this tire pressure value of constant maintenance after surpassing the regular hour, just this tire pressure value is remembered and is the standard pressure point of this tire.
10, the method for inspection of tyre pressure alarm according to claim 8 is characterized in that, this signal receiving circuit shows the tire pressure value of each tire that this tyre pressure alarm detects simultaneously.
11, the method for inspection of tyre pressure alarm according to claim 8 is characterized in that, when the tire pressure value that detects each tire during less than 1PSI, then replys again and detects the tire pressure value.
12, the method for inspection of tyre pressure alarm according to claim 8 is characterized in that, when this vehicle was not activated, this first microprocessor controller entered sleep state with this testing circuit, to save electric power.
13, the method for inspection of tyre pressure alarm according to claim 8, it is characterized in that, when this first microprocessor controller detects the power shortage of this power supply device, then the wireless radiofrequency electric signal with a light current power is sent to this signal receiving circuit, makes this signal receiving circuit receive and demonstrate the caution of this power supply device light current power.
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| CN200810127651A CN101618666A (en) | 2008-07-02 | 2008-07-02 | The circuit arrangement of tyre pressure alarm and method of inspection thereof |
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| CN200810127651A CN101618666A (en) | 2008-07-02 | 2008-07-02 | The circuit arrangement of tyre pressure alarm and method of inspection thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102529605A (en) * | 2010-12-17 | 2012-07-04 | 橙的电子股份有限公司 | Wireless tire pressure sensor and standard pressure setting method, wireless tire pressure triggering device |
| CN104564592A (en) * | 2013-10-22 | 2015-04-29 | 吴树木 | Portable inflator allowing pressure data to be wirelessly transmitted to mobile electronic device |
| CN104564590A (en) * | 2013-10-22 | 2015-04-29 | 吴树木 | Floor type inflator capable of wirelessly transmitting air pressure data to mobile electronic device |
| CN104564593A (en) * | 2013-10-22 | 2015-04-29 | 吴树木 | Portable inflator allowing pressure data to be wirelessly transmitted to mobile electronic device |
| CN104976096A (en) * | 2014-04-02 | 2015-10-14 | 吴树木 | Portable inflator and combined structure of portable inflator and mobile electronic device |
| CN104564594B (en) * | 2013-10-22 | 2016-09-21 | 吴树木 | Barometric information can be wirelessly transferred to the portable tire pump of electronic apparatus |
| CN106335329A (en) * | 2016-09-29 | 2017-01-18 | 衢州学院 | Tire safety detection system |
| CN106563974A (en) * | 2016-11-03 | 2017-04-19 | 上海大学 | Intelligent device for cutting parameter detection under impact state |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529605A (en) * | 2010-12-17 | 2012-07-04 | 橙的电子股份有限公司 | Wireless tire pressure sensor and standard pressure setting method, wireless tire pressure triggering device |
| CN102529605B (en) * | 2010-12-17 | 2014-06-18 | 橙的电子股份有限公司 | Wireless tire pressure sensor and standard pressure setting method |
| CN104564592A (en) * | 2013-10-22 | 2015-04-29 | 吴树木 | Portable inflator allowing pressure data to be wirelessly transmitted to mobile electronic device |
| CN104564590A (en) * | 2013-10-22 | 2015-04-29 | 吴树木 | Floor type inflator capable of wirelessly transmitting air pressure data to mobile electronic device |
| CN104564593A (en) * | 2013-10-22 | 2015-04-29 | 吴树木 | Portable inflator allowing pressure data to be wirelessly transmitted to mobile electronic device |
| CN104564594B (en) * | 2013-10-22 | 2016-09-21 | 吴树木 | Barometric information can be wirelessly transferred to the portable tire pump of electronic apparatus |
| CN104564592B (en) * | 2013-10-22 | 2017-04-12 | 吴树木 | Portable inflator allowing pressure data to be wirelessly transmitted to mobile electronic device |
| CN104976096A (en) * | 2014-04-02 | 2015-10-14 | 吴树木 | Portable inflator and combined structure of portable inflator and mobile electronic device |
| CN104976096B (en) * | 2014-04-02 | 2017-04-12 | 吴树木 | Portable inflator and combined structure of portable inflator and mobile electronic device |
| CN106335329A (en) * | 2016-09-29 | 2017-01-18 | 衢州学院 | Tire safety detection system |
| CN106563974A (en) * | 2016-11-03 | 2017-04-19 | 上海大学 | Intelligent device for cutting parameter detection under impact state |
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Application publication date: 20100106 |