CN2853469Y - Small easy mounted intelligent tyre pressure monitoring alarm device - Google Patents
Small easy mounted intelligent tyre pressure monitoring alarm device Download PDFInfo
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- CN2853469Y CN2853469Y CN 200520098200 CN200520098200U CN2853469Y CN 2853469 Y CN2853469 Y CN 2853469Y CN 200520098200 CN200520098200 CN 200520098200 CN 200520098200 U CN200520098200 U CN 200520098200U CN 2853469 Y CN2853469 Y CN 2853469Y
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Abstract
The utility model discloses a portable intelligent alarming device for type pressure monitoring and comprising an emitter circuit, a receiving circuit and a display circuit. The emitter circuit is composed of a pressure sensor, a signal processor and an emitter, the receiving circuit is composed of a receiver and a receive control part, the pressure sensor senses the pressure change of tyre and sends the signal to a signal processor which sends the signal to the receiver, the received signal processed by signal analysis is sent to the display circuit by the signal receiver to be displayed and alarms, an output l of the pressure sensor is connected to an input of the signal processor while an output of the signal processor is connected to the emitter. The utility model can real-time monitor the pressure of tyre and alarm, which reminds the driver to process effective operation to remove hidden accident, the utility model has the advantages of simple installment, anti-theft property, simple structure, high practicality, low cost and better effect.
Description
Technical field
The utility model relates to a kind of auto electronics active safety technical products that belongs to, and relates in particular to the intelligent tire pressure monitoring alarm device of a kind of small easy mounted.
Background technology
At present, system for monitoring pressure in tyre mainly is divided into two types, and a kind of is indirect type TPMS, and this system is the rotating speed difference between relatively taking turns by the wheel speed sensors of automobile ABS system, to reach the purpose that monitors tire pressure.The major defect of the type system is that the situation that can't surpass 100 kilometers/hour to the situation and the speed of plural tire while deficency is judged.Another kind is direct-type TPMS, and this system utilizes to be installed in the air pressure that each pressure sensor of taking turns tyre cavity is directly measured tire, and each tire pressure is shown and monitors, and is too low or when seepage was arranged, auto alarm was understood by system when tire pressure.Report thinks that direct-type TPMS all is better than indirect type TPMS on function and performance.But present direct-type TPMS exists dynamic transmitting range not far, and projector is difficult for the shortcoming that replacing can not antitheft grade.
Summary of the invention
The purpose of this utility model is: for overcoming above weak point, a kind of active in advance security product--the intelligent tire pressure monitoring alarm device of small easy mounted is provided, so that the pressure to tire is monitored in real time, to tire pressure beyond the improper authorized pressure value negative pressure or during superpressure, the warning of sounding is adopted an effective measure with the prompting driver and to be removed a hidden danger.
The utility model is realized by following scheme: be made up of transmission circuit, acceptor circuit, display circuit three parts; Transmission circuit is made of pressure sensor, signal processor and projector, acceptor circuit is made of receptor and reception control control part, the variation of pressure sensor perception tire pressure is delivered to signal processor with the variable signal of perception and is transmitted on the receptor with the form of signal; Receptor is delivered to the display circuit demonstration with the signal that receives and is reported to the police after signal processing analysis is handled; The pressure sensor mouth is received the signal processor input end, and the signal processor mouth is connected to projector.
The utility model overcomes that existing direct-type TPMS be difficult for to change and can not theft-proof defective, can not only monitor the pressure of tire in real time and reports to the police, and adopts an effective measure with the prompting driver and removes a hidden danger, and possess simple installation, theft-proof novel characteristics.The utility model is simple in structure, practical, cost is low, effective.
Description of drawings
Fig. 1 is the utility model schematic block circuit diagram;
Fig. 2 is a transmission circuit connection diagram of the present utility model;
Fig. 3 is an acceptor circuit connection diagram of the present utility model;
Fig. 4 is a reception control part connection diagram of the present utility model;
Fig. 5 is the utility model display circuit connection diagram.
The specific embodiment
Contrast Fig. 2~Fig. 4 to further detailed explanation of concrete structure of the present utility model below in conjunction with embodiment.
Referring to shown in Figure 2: in the transmission circuit signal processor by aerotron Q1, Q2, resistance R 1, R3, R4, R5, capacitor C 1, C2, C3 and coder IC1 constitute; Projector is by antenna Ant, aerotron Q6, capacitor C 36, C34, C33 resistance R 22, R23, SAW resonator IC2 constitutes, the height of sensor signal control VCC voltage, low level, and be connected to coder IC1 pin 8, aerotron Q2 collection, the emitter-base bandgap grading cross-over connection is in coder IC1 pin 1,5 on pin, aerotron Q2 base stage is joined through capacitor C 1 and aerotron Q1 collecting electrode, coder IC1 pin 1 connects aerotron Q1 base stage through capacitor C 3, capacitor C 2, resistance R 1 all is connected to aerotron Q2 base, collection utmost point two ends, resistance R 3, R4 common port power connection VCC, other two ends span is connected to capacitor C 3 two ends, and connect coder IC1 pin 1 respectively, aerotron Q1 base stage, three capacitor C 36, C34, C33 forms 3 capacitance circuits of a standard, capacitor C 36, antenna Ant is penetrated in the sending and receiving of C33 common port, capacitor C 33 cross-over connections are in aerotron Q6 collection, the emitter-base bandgap grading two ends, aerotron Q6 base stage connects coder IC1 pin 6 and SAW resonator IC2 pin 2 through resistance R 2, SAW resonator IC2 pin 1 ground connection.Wherein IC1 realizes the coding transmit, so that the identification of controller MCU; IC2 is a SAW resonator, mainly has been resonance effect; Whole transmission circuit is to be made on two pcb boards, the connection between two plates be by between C36 among the figure and the C34, two power supply VCC of two ground connection GND of Q2 emitter and R23, R3 one termination realize that this part mainly realizes the emission of signal.Transmission circuit is that projector is directly installed on the valve inside together with sensor.
Referring to shown in Figure 3: the signal that the antenna Ant of the acceptor circuit of receptor by 34 pins of receiving chip IC4 obtains to emit.Before receiving, signal must pass through Filtering Processing.IC5 is a SAW filter, and 2 pin and 5 pin are the input and output side of IC5.1,6 pin of IC5 link to each other and ground connection, crystal oscillator X1 and capacitor C 9 are serially connected between 26 pin of 6 pin of IC5 and IC4,3,4,7,8 four pin of IC5 link to each other and link to each other with crystal oscillator X1, resistance R 3 and capacitor C 11 are serially connected with between 29 pin of 3 pin of IC5 and IC4, and capacitor C 10 is in resistance R 3 and capacitor C 11 two ends, L2, C6 are serially connected in respectively between 31 pin of 3 pin of 31 pin of 5 pin of IC5 and IC4 and IC5 and IC4, L1 and C5 are serially connected with between 2,8 pins of IC5, are outputed to 31 pin of IC4 by 5 pin of IC5 through the signal of Filtering Processing.1,5,10,22 (the Vss ends) of IC4 and 2 pins are ground connection all, and 8,17,27,32 (Vdd ends) are power connection VDD all, and wherein 28 pin are connected to 27 pin; Capacitor C 17, C15, C18, C16 are serially connected between 4,7 pins of IC4, and wherein L3 is attempted by the two ends of C15; Resistance R 4, R5 connect 6,7 pins of IC4 respectively, its common port power connection VDD; Capacitor C 3, C14 are connected across between 30 and 27,1 and 32 pins of IC4; 1, the 3 pin cross-over connections of intermediate-frequency filter F2 are in 11,9 (intermediate frequency input, intermediate frequency output) pin two ends of IC4; 12,13 pins of IC4 have met capacitor C 12, C13 respectively, and capacitor C 8, resistance R 2 are connected across respectively between 12,13 pins and 11,13 pins of IC4; The 2 pin ground connection of the common port of capacitor C 12 and C13 and F2; C4, C7 are serially connected in 17, the 14 pin two ends of IC4; The amplification port that 18,19,20 3 pins of IC4 are signal, wherein 19,20 pins meet capacitor C 2, C1 respectively, and resistance R 1 cross-over connection is between capacitor C 1, C2, and the common end grounding of capacitor C 2, C1,18 pins are the amplification mouth of whole signal.Signal receives receiving chip IC4 through the Filtering Processing of IC5, through outputed to the control part of receptor after the processing and amplifying by 18 pin of IC4.The control part of receptor mainly is made up of an IC3 and two three-terminal voltage-stabilizing pipes.The input end of IC3 is a pin 3.The voltage that is come out by vehicle power (port J11) is divided into two parts.A part (+5V) power supply mainly provides the operating voltage of receiving chip IC3, IC4 and IC5, this part consist of a three-terminal voltage-stabilizing pipe, capacitor C 15, C16, C23, C25 and a diode CR1 form.Another part power supply (VCC) mainly provides the operating voltage of LED display part, this part consist of a three-terminal voltage-stabilizing pipe, capacitor C 1, C24, C28 and two diode CR2, CR3 form.The input pin of control chip IC3 is 3 pins, and output is the interface of LED lamp, is 11,12,13,14,15,16,17,18,21,220 pins of IC3.
Referring to shown in Figure 4: display circuit constitutes with the cooresponding LED lamp of tire location, 3 systemic-function lamps (signal, infrabar, low electric weight), a buzzer phone and two buttons by 10.R1~R10 is connected in series with D1~D10 respectively, and the common port of D1~D10 links to each other with VCC, and the other end of R1~R10 links to each other with 1~10 pin of adaptor union J1; D11~D13 is respectively low electric weight alarm lamp, signal lamp and infrabar alarm lamp, links to each other with divider resistance R11~R13 respectively, and the other end of R11~R13 links to each other with 2,5,1 pin of adaptor union J2, and the common port of D11~D13 links to each other with VCC; The direct power connection VCC of the end of buzzer phone LS1, the other end links to each other with 6 pin of J2; 10, the 9 difference power connection VCC of J2, ground connection; 4,3 pin of J2 connect R17, study button SW1 and R16, reset key SW2, the common end grounding of SW1 and SW2 respectively.Two contact pin connectors of J1 and J2 with display circuit board and wherein a circuit board for receiving couple together.This part mainly will be hanged down electric weight, and the position display of infrabar and corresponding tire is come out, and the warning of sounding.Receptor is done with display circuit and is in the same place, and is placed directly in the operator's compartment.
Receptor is done with display circuit and is in the same place, and realizes on three pcb boards.IC3 is the microcontroller MCU in the acceptor circuit, and IC4 is a receiving chip; Y1 is the crystal oscillator of 4M, and F2 is the 10.7M intermediate-frequency filter; F1 is a Surface Acoustic Wave Filter; Two aerotrons are shown in literal among the figure; 7 contact pin connectors are arranged, be respectively J1, J2, J5, J6, J8, J10 and J11, wherein J10 and J11 receive pcb board with two and link together the effect of the signal that realization reception emission comes.
Claims (5)
1, the intelligent tire pressure monitoring alarm device of a kind of small easy mounted is characterized in that: be made up of transmission circuit, acceptor circuit, display circuit three parts; Transmission circuit is made of pressure sensor, signal processor and projector, acceptor circuit is made of receptor and reception control control part, the variation of pressure sensor perception tire pressure is delivered to signal processor with the variable signal of perception and is transmitted on the receptor with the form of signal; Receptor is delivered to the display circuit demonstration with the signal that receives and is reported to the police behind signal processing analysis; The pressure sensor mouth is received the signal processor input end, and the signal processor mouth is connected to projector.
2, the intelligent tire pressure monitoring alarm device of small easy mounted according to claim 1, it is characterized in that: signal processor is by aerotron (Q1, Q2) in the transmission circuit, resistance (R1, R3, R4, R5), electric capacity (C1, C2, C3) and coder (IC1) constitute; Projector is by antenna (Ant), aerotron (Q6), electric capacity (C36, C34, C33), resistance (R22, R23), SAW resonator (IC2) constitutes, the height of sensor signal control VCC voltage, low level, and be connected to coder (IC1) pin 8, aerotron (Q2) collection, the emitter-base bandgap grading cross-over connection is in coder (IC1) pin 1,5 on pin, aerotron (Q2) base stage is joined through electric capacity (C1) and aerotron (Q1) collecting electrode, coder (IC1) pin 1 connects aerotron (Q1) base stage through electric capacity (C3), electric capacity (C2), resistance (R1) all is connected to aerotron (Q2) base, collection utmost point two ends, resistance (R3, R4) common port power connection VCC, other two ends span is connected to electric capacity (C3) two ends, and connect coder (IC1) pin 1 respectively, aerotron (Q1) base stage, three electric capacity (C36, C34, C33) 3 capacitance circuits of a standard of composition, electric capacity (C36, C33) antenna (Ant) is penetrated in the common port sending and receiving, electric capacity (C33) cross-over connection collects in aerotron (Q6), the emitter-base bandgap grading two ends, aerotron (Q6) base stage connects coder (IC1) pin 6 and SAW resonator (IC2) pin 2 through resistance (R2), SAW resonator (IC2) pin 1 ground connection.
3, the intelligent tire pressure monitoring alarm device of small easy mounted according to claim 1 and 2, it is characterized in that: the signal that the antenna (Ant) of receptor by 34 pins of receiving chip (IC4) obtains to emit, 2 pin of SAW filter (IC5) and 5 pin are the input and output side of (IC5), 1 of SAW filter (IC5), 6 pin link to each other and ground connection, crystal oscillator (X1) and electric capacity (C9) are serially connected between 26 pin of 6 pin of SAW filter (IC5) and receiving chip (IC4), 3 of SAW filter IC5,4,7,8 four pin link to each other and link to each other with crystal oscillator X1, resistance (R3) and electric capacity (C11) are serially connected with between 3 pin of SAW filter (IC5) and 29 pin (IC4), and (C10) in (R3) and (C11) two ends, (L2, C6) be serially connected in respectively between 3 pin and 31 pin (IC4) of 5 pin of (IC5) and 31 pin (IC4) and SAW filter (IC5), (L1) and (C5) be serially connected with (IC5) 2, between 8 pins, output to 31 pin of (IC4) by 5 pin of SAW filter (IC5) through the signal of Filtering Processing; (IC4) the equal ground connection of 1,5,10,22 and 2 pins, 8,17,27,32 equal power connection VDD, wherein 28 pin are connected to 27 pin; Electric capacity (C17, C15, C18, C16) is serially connected between 4,7 pins of (IC4), and wherein (L3) is attempted by the two ends of electric capacity (C15); Resistance (R4, R5) connects 6,7 pins of (IC4) respectively, its common port power connection VDD; Electric capacity (C3, C14) is connected across between 30 and 27,1 and 32 pins of (IC4); 1,3 pin cross-over connections of intermediate-frequency filter (F2) are in the input of 11,9 intermediate frequencies, the intermediate frequency output pin two ends of (IC4); (IC4) 12,13 pins connect respectively electric capacity (C12, C13, C8), resistance (R2) is connected across respectively between 12,13 pins and 11,13 pins of (IC4); The common port of electric capacity (C12, C13) and 2 pin ground connection (F2); Electric capacity (C4, C7) is serially connected in 17, the 14 pin two ends of (IC4); (IC4) the amplification port that 18,19,20 3 pins are signal, wherein 19,20 pins connect electric capacity (C2, C1) respectively, resistance (R1) cross-over connection is between electric capacity (C1, C2), and the common end grounding of electric capacity (C2, C1), 18 pins are the amplification mouth of whole signal; Signal receives receiving chip (IC4) through the Filtering Processing of (IC5), through outputed to the control part of receptor after the processing and amplifying by 18 pin of (IC4); The control part of receptor is made up of one (IC3) and two three-terminal voltage-stabilizing pipes; (IC3) input end is a pin 3, and the voltage that is come out by vehicle power is divided into two parts; A part (+5V) power supply provides the operating voltage of receiving chip (IC3, IC4 and IC5), this part consist of a three-terminal voltage-stabilizing pipe, electric capacity (C15, C16, C23, C25) and a diode (CR1) composition; Another part power supply (VCC) provides the operating voltage of display circuit, this part consist of a three-terminal voltage-stabilizing pipe, electric capacity (C1, C24, C28) and two diodes (CR2, CR3) are formed; The input pin of control chip (IC3) is 3 pins.
4, the intelligent tire pressure monitoring alarm device of small easy mounted according to claim 1 and 2 is characterized in that: display circuit by 10 with the cooresponding LED lamp of tire location, 3 the low electric weight of expression, signal, hypobaric function lamp (D11~D13), a buzzer phone (LS1) and two buttons (SW1, SW2) formation respectively; Resistance (R1~R10) respectively with the LED lamp (D1~D10) be connected in series, (common port of D1~D10) links to each other with (VCC) the LED lamp, and (R1~other end R10) links to each other with 1~10 pin of adaptor union (J1) resistance; (D11~D13) respectively with divider resistance (R11~R13) link to each other, (R11~other end R13) links to each other with 2,5,1 pin of adaptor union (J2) resistance, and (common port of D11~D13) links to each other with VCC; The direct power connection VCC of one end of buzzer phone (LS1), the other end links to each other with 6 pin of adaptor union (J2); 10,9 difference power connection VCC of adaptor union (J2); 4,3 pin of adaptor union (J2) respectively connecting resistance (R17), button (SW1) and (R16), reset key (SW2), the common end grounding of button (SW1 and SW2).
5, the intelligent tire pressure monitoring alarm device of small easy mounted according to claim 1 and 2, it is characterized in that: transmission circuit is directly installed on the valve inside together with sensor, and receptor is done with display circuit and is in the same place, and is placed directly in the operator's compartment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200520098200 CN2853469Y (en) | 2005-09-26 | 2005-09-26 | Small easy mounted intelligent tyre pressure monitoring alarm device |
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CN 200520098200 CN2853469Y (en) | 2005-09-26 | 2005-09-26 | Small easy mounted intelligent tyre pressure monitoring alarm device |
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CN2853469Y true CN2853469Y (en) | 2007-01-03 |
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CN 200520098200 Expired - Fee Related CN2853469Y (en) | 2005-09-26 | 2005-09-26 | Small easy mounted intelligent tyre pressure monitoring alarm device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102582377A (en) * | 2012-02-07 | 2012-07-18 | 上海为彪汽配制造有限公司 | Structure of easily operated tire pressure sensor |
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2005
- 2005-09-26 CN CN 200520098200 patent/CN2853469Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102582377A (en) * | 2012-02-07 | 2012-07-18 | 上海为彪汽配制造有限公司 | Structure of easily operated tire pressure sensor |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070103 Termination date: 20140926 |
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EXPY | Termination of patent right or utility model |