CN2589237Y - Motor vehicle tire automatic monitoring alarm - Google Patents
Motor vehicle tire automatic monitoring alarm Download PDFInfo
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- CN2589237Y CN2589237Y CN 02294668 CN02294668U CN2589237Y CN 2589237 Y CN2589237 Y CN 2589237Y CN 02294668 CN02294668 CN 02294668 CN 02294668 U CN02294668 U CN 02294668U CN 2589237 Y CN2589237 Y CN 2589237Y
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Abstract
The utility model provides a motor vehicle tire automatic monitoring alarm, which comprises a tire pressure monitoring transmitter, a tire temperature sensor and a signal receiving display alarm, wherein, the tire pressure monitoring transmitter is composed of a mechanical contact-connection type pneumatic switch and a wireless signal transmitting circuit, and the mechanical contact-connection type pneumatic switch is connected with the wireless signal transmitting circuit through an electric conductor; the signal receiving display alarm is composed of a CPU which is arranged in an outer shell body of the signal receiving display alarm in the connecting mode, a decoding receiving circuit, a system clock circuit, a keyboard display alarm circuit and a power supply circuit, and the CPU is respectively connected with the decoding receiving circuit, the system clock circuit, the keyboard display alarm circuit and the power supply circuit; the tire temperature sensor is a single-bus sensor which is connected with the signal receiving display alarm together through a twisted pair line. The utility model has the advantages of novel structure, innovative design, high sensitivity, strong anti-interference property, stable performance and convenient assembly and use. The utility model is suitable for the motor vehicles to carry out monitoring alarm to the tire pressure and temperature, and is a novel tire monitoring alarm.
Description
Technical field
The utility model relates to a kind of monitoring device about automobile tyre, especially a kind of automatic monitoring warning device of airtyred pressure and temperature.
Along with developing rapidly of automobile and transit industry, various load transportation vehicle grows with each passing day, and is also more and more higher to the technical requirements of self-propelled vehicle.In order to make vehicle driving safety, tire automatic monitoring warning device has been installed on self-propelled vehicle usually.At present, in known technology, existing Pneumatic vehicle tire monitoring alarm mainly is the formula signal monitoring annunciator that the contacts to earth effect of roller tire lateral deformation or the wheel base ground level, but its structure is loaded down with trivial details, the connection complexity is installed, precision is low, reports by mistake morely, and could report to the police after only being mostly in damaged tyres, especially more lack the automatic monitoring of tyre temperature, bring inconvenience to use.
Summary of the invention
In order to overcome the deficiency of existing tire monitoring alarm, the utility model provides a kind of structure novelty, installation and easy to use, and dependable performance can be observed and predicted the New-type tyre automatic monitoring warning device of tire pressure and temperature.
The technical scheme in the invention for solving the technical problem is: the design of automobile tyre monitoring alarm is adopted by tire air pressure monitoring projector, tire temperature sensor and signal reception display alarm and is formed.
The tire air pressure monitoring projector touches company's formula pneumatic switch by machinery and is formed by electrical lead connection wireless signal transmission circuit.The barometric information that it is set according to tire, be communicated with switch main body by ventilation flue's cock wheel tyre valve mouth, when the air pressure in the tire was below or above setting pressure, pneumatic switch touched and connects just energized and wireless signal transmission circuit, coding back transmitting tire pressure alerting signal.
Tire temperature sensor is by temperature sensor of each tire load of required monitoring, and each temperature sensor adopts a twisted-pair feeder to connect signal and receives display alarm.
It is that the installing central processor CPU connects the computer-controlled signal reception Display and Alarm Circuit that decoding acceptor circuit, keyboard Display and Alarm Circuit, system clock circuit and power circuit are formed respectively in its body skin that signal receives display alarm.Receive and adopt computer controlled, after computing machine was received the useful signal of tire air pressure monitoring projector, the back of decoding showed the concurrent visual alarm of speaking, and owing to each the tire number difference that is connected, can determine the tire of warning like this; Tire temperature sensor adopts 1-wire temperature sensor, and computing machine cycle detection tyre temperature also shows.
The equipped of the utility model tire monitoring alarm is: the pneumatic switch of tire air pressure monitoring projector is connected on the wheel hub of detected tyre, and tracheae connects mother and is connected to tire valve; Temperature sensor is connected admittedly on the wheel hub of detected tyre, and each sensor connects signal by twisted-pair feeder again and receives display alarm; Signal is received the display alarm load in operator's compartment.
Because the utility model is designed to technique scheme, the results showed, it has novel structure, and design innovation is highly sensitive, strong interference immunity, stable and reliable for performance, sturdy and durable, advantage such as equipped and easy to use, being suitable for the monitoring, alarming that various power actuated vehicles carry out tire pressure and temperature, is a kind of later-model tire automatic monitoring warning device.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the cutaway view of tire air pressure monitoring projector embodiment concrete structure in the utility model.
Fig. 2 is the product structure sketch that signal receives display alarm and temperature sensor in the utility model.
Fig. 3 is the basic circuit of the wireless signal transmission circuit of tire air pressure monitoring projector in the utility model.
Fig. 4 is the basic circuit that signal receives display alarm in the utility model.
Fig. 5 is the basic circuit of keyboard and temperature sensor in the utility model.
Fig. 6 is the cutaway view of another embodiment product structure of tire air pressure monitoring projector in the utility model.
Reference numeral: 1 base, 2 is conjuncted, 3 cover caps, 4 play post, 5 wireless signal transmission circuits, 6 conductions are touched ring, 7 springs, 8 rammers, 9 elastic memberances, 10 ventilation flues, 11 connect mother, and 12 receive the annunciator housings, 13 decoding acceptor circuits, 14 keyboard Display and Alarm Circuit, 15 system clock circuits, 16 power circuits, 17 twisted-pair feeders, 18 temperature sensors, 19 seal rings.
The specific embodiment
As accompanying drawing 1, embodiment illustrated in fig. 2.The utility model comprises: touched by machinery and connect formula pneumatic switch K1 and connect tire air pressure monitoring projector that wireless signal transmission circuit 5 formed, tire temperature sensor and receive display alarm by computer-controlled signal by electrical lead.
Referring to Fig. 1, the machinery of tire air pressure monitoring projector touches that to connect formula pneumatic switch K1 be that, cover cap 3 conjuncted 2 by switch and base are linked to be switch main body for 1 group, connect tire valve by ventilation flue 10 on the main body and connecting female 11, be equiped with elastic memberance 9 and be with the rammer 8 of retracing spring 7 in the switch main body inner chamber, the guide rod top edge of rammer 8 is overlapping conduction and is touching ring 6 and touch with horizontal bullet post 4 running-fits in conjuncted 2 bodies and connect disconnection or the conducting that realizes pneumatic switch.The electrical lead that the bullet post of pneumatic switch K1 is connected connects the wireless signal transmission circuit 5 that is installed in conjuncted 2 top recess.Referring to accompanying drawing 3, wireless signal transmission circuit 5 is by PT2262 type coding integrated package U8, aerotron T1-2, resistance R 1-3, sound table SAW, capacitor C 1-2 and inductance L 1-3 connect to form, 15 pin of integrated package U8 and 16 pin series resistance R3, connect aerotron T1 base stage behind the 17 pin series resistance R1, the grounded emitter of aerotron T1, collecting electrode connects the emitter harmony table SAW of aerotron T2, the base stage of aerotron T2 connects resistance R 2, capacitor C 2 harmony table SAW, the collecting electrode of aerotron T2 connects capacitor C 1 and inductance L 3, sound table SAW connects inductance L 2, capacitor C 2 and resistance R 2, connect inductance L 1 after inductance L 3 and the L2 parallel connection, inductance L 1 connects pneumatic switch K1, and pneumatic switch K1 connects battery DC.Integrated package U8 also can adopt other coding integrated circuit.
Referring to accompanying drawing 2, Fig. 4, it is also to connect decoding acceptor circuit 13, keyboard Display and Alarm Circuit 14, system clock circuit 15 and power circuit 16 respectively by installing central processor CPU in the body skin 12 that signal receives display alarm.The central processor CPU model is AT89C52 or ATS908515, also can adopt other model of congenerous certainly.Signal receives the corresponding useful signal that receives the tire air pressure monitoring projector of display alarm.Power circuit 16 is common linear power supply.
Decoding acceptor circuit 13 receives integrated package U5 by PT2272 type decoding integration block U6, RXA3310A type and resistance R 10-18 is formed, corresponding respectively 32-39 pin and the corresponding pull-up resistor R10-17 of difference that connects central processor CPU of the 1-8 pin of decoding integration block U6,15 and the 16 pin series resistance R18 of integrated package U6,17 pin connect 26 pin of CPU, and 14 pin connect the 12 pin INTO of CPU and the 4 pin software decodings of integrated package U5.
Keyboard Display and Alarm Circuit 14 comprises: the MAX7219 type shows integrated package U2, telltale DS, resistance R 22, rings news device FM, aerotron T3, resistance R 4-5, light-emitting diode D1, resistance R 9, K switch 2-3 and resistance 19-20.1 pin of integrated package U2,12 pin and 13 pin are connected 2 pin, 13 pin INT1 external interrupt 1 and the 11 pin TXD of central processor CPU respectively, show that the 2-11 pin of integrated package U2 is connected telltale DS with the 14-17 pin with the 20-23 pin, and 18 pin also connect and draw resistance R 22; Ring the positive pole connection power supply of news device FM and the emitter that resistance R 5, negative pole meet aerotron T3,23 pin that meet CPU behind the grounded collector of aerotron T3, the base series resistor R4 ring news device circuit control end; Ground connection, positive pole connect 26 pin of central processor CPU and 17 pin of decoding integration block U6 behind the light-emitting diode D1 negative pole series resistance R9; Keyboard switch K2 and K3 one end ground connection, the other end be the 15 pin T1 and the 16 pin WR of central processor CPU in succession respectively, and connect respectively and draw resistance R 19 and R20.
31 pin EA of central processor CPU connect and draw resistance R 7, internal program memory, and 18 are connected crystal resonator CY1 and capacitor C 3-4,20 pin power connection negative poles, 40 pin power connection positive poles with 19 pin.
Referring to accompanying drawing 2, Fig. 5, the temperature sensor 18 in the utility model is to be connected to form by DS18b20 type integrated package U7 and resistance R 21.The 1 pin ground connection of integrated package U7,2 pin draw resistance R 21 for the temperature sensor data terminal connects 21 pin of CPU and connects.Temperature sensor adopts unibus structure, and each temperature sensor 18 is attempted by on the twisted-pair feeder 17 and is connected to central processor CPU altogether.
With reference to another embodiment shown in the accompanying drawing 6, in the tire air pressure monitoring projector of the present utility model pneumatic switch K1 or in the switch main body chamber on the obturating plug body of rammer 8 edge connect seal ring 19, running-fit is connected to make rammer and switch main body lumen pore form closely, replaces elastic memberance 9.
Claims (6)
1, a kind of automobile tyre automatic monitoring warning device, it comprises the tire air pressure monitoring projector, signal receives annunciator, it is characterized in that also comprising tire temperature sensor (18), the tire air pressure monitoring projector touches company's formula pneumatic switch by machinery and is formed by electrical lead connection wireless signal transmission circuit, it is that central processor CPU by interior the load of its body skin (12) connects respectively and deciphers acceptor circuit (13) that signal receives annunciator, system clock circuit (15), the computer-controlled signal that keyboard Display and Alarm Circuit (14) and power circuit (16) are formed receives display alarm, signal receives the corresponding useful signal that receives the tire air pressure monitoring projector of display alarm, and tire temperature sensor (18) receives display alarm for single bus sensor connects signal altogether by a twisted-pair feeder (17).
2, tire monitoring alarm according to claim 1 is characterized in that in the tire air pressure monitoring projector:
A, machinery touch even, and formula pneumatic switch K1 is the switch main body that is connected by switch conjuncted (2), cover cap (3) and base (1) group, connecting tire valve by ventilation flue (10) on the main body and connecting female (11), in the switch main body inner chamber, be equiped with elastic memberance (19) and be with the rammer (8) of retracing spring (7), the guide rod top of rammer (8) edge is overlapping conduction and is touching ring (6) and touch with horizontal bullet post (4) running-fit in conjuncted (2) body and connect, and plays the electrical lead connection that post (4) connected and is contained in the interior wireless signal transmission circuit (5) of switch conjuncted (2) top recess;
B, wireless signal transmission circuit (5) is by PT2262 type coding integrated package U8, aerotron T1-2, resistance R 1-3, sound table SAW, capacitor C 1-2 and inductance L 1-3 form, 15 pin of integrated package U8 and 16 pin series resistance R3, the base stage that connects aerotron T1 behind the 17 pin series resistance R1, the grounded emitter of aerotron T1, collecting electrode connects the emitter harmony table SAW of aerotron T2, the base stage of aerotron T2 connects resistance R 2, capacitor C 2 harmony table SAW, the T2 collecting electrode connects capacitor C 1 and inductance L 3, sound table SAW connects inductance L 2, capacitor C 2 and resistance R 2, connect inductance L 1 after inductance L 3 and the L2 parallel connection, inductance L 1 connects pneumatic switch K1, and pneumatic switch K1 connects battery DC.
3, tire monitoring alarm according to claim 1 is characterized in that signal receives in the display alarm:
A, decoding acceptor circuit (13) are to be connected to form by PT2272 type decoding integration block U6, RXA3310A type reception integrated package U5 and resistance R 10-18, corresponding respectively 32-39 pin and the corresponding pull-up resistor R10-17 of difference that connects central processor CPU of the 1-8 pin of integrated package U6,15 pin of integrated package U6 and 16 pin series resistance R18,17 pin connect 26 pin of CPU, and 14 pin connect the 12 pin INTO of CPU and the 4 pin software decodings of integrated package U5;
B, system clock circuit (15) is by DS1302 type clock integrated package U4, crystal resonator CY2, capacitor C 5-6, resistance R 6, diode D2, X5045 type system protection integrated package U3 and resistance R 8 connect to form, the 2-3 pin of integrated package U4 connects crystal resonator CY2 and capacitor C 5-6, the 5-7 pin connects 27 of central processor CPU respectively, 2,1 pin, 8 pin of integrated package U4 meet diode D2 after connecting positive source and series resistance R6,1 pin of integrated package U3,2 pin, 5 pin, 6 pin and 7 pin are connected 28 pin of CPU respectively, 2 pin SO, 3 pin data numbers, 1 pin and 9 pin, 7 pin also connect and draw resistance R 8;
C, keyboard Display and Alarm Circuit (14) comprises that the MAX7219 type shows integrated package U2, telltale DS, resistance R 22, ring news device FM, aerotron T3, resistance R 4-5, light-emitting diode D1, resistance R 9, K switch 2-3 and resistance R 19-20,1 pin of integrated package U2,2 pin and 13 pin are connected 2 pin of central processor CPU respectively, 13 pin and 11 pin TXD, the 2-11 pin of integrated package U2 is connected telltale DS with the 14-17 pin with the 20-23 pin, 18 pin also connect and draw resistance R 22, the positive pole that rings news device FM connects power supply and resistance R 5, negative pole connects the emitter of aerotron T3, the grounded collector of aerotron T3,23 pin that meet CPU behind the base series resistor R4 ring news device circuit control end, ground connection behind the light-emitting diode D1 negative pole series resistance R9, positive pole connects 26 pin of CPU and 17 pin of decoding integration block U6, the end ground connection of K switch 2 and K3, the other end is 15 pin and the 16 pin WR of central processor CPU in succession respectively, and connect respectively and draw resistance R 19 and R20;
31 pin EA of d, central processor CPU connect and draw resistance R 7,18 to be connected crystal resonator CY1 and capacitor C 3-4 with 19 pin, 20 pin power connection negative poles, 40 pin power connection positive poles.
4, tire monitoring alarm according to claim 1, it is characterized in that temperature sensor (18) is to be connected to form by DS18b20 type integrated package U7 and resistance R 21, the 1 pin ground connection of integrated package U7,2 pin draw resistance R 21 for the temperature sensor data terminal connects 21 pin of CPU and connects.
5,, it is characterized in that central processor CPU or adopt ATS908515, system protection integrated package U3 or employing X5043 type integrated circuit according to the tire monitoring alarm shown in claim 2 or 3.
6, tire monitoring alarm according to claim 2, it is characterized in that pneumatic switch K1 or in its switch main body chamber on the obturating plug body of rammer (8) edge connect seal ring (19) and be connected with switch main body chamber endoporus running-fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02294668 CN2589237Y (en) | 2002-12-30 | 2002-12-30 | Motor vehicle tire automatic monitoring alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02294668 CN2589237Y (en) | 2002-12-30 | 2002-12-30 | Motor vehicle tire automatic monitoring alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2589237Y true CN2589237Y (en) | 2003-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02294668 Expired - Fee Related CN2589237Y (en) | 2002-12-30 | 2002-12-30 | Motor vehicle tire automatic monitoring alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2589237Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100354149C (en) * | 2004-09-24 | 2007-12-12 | 重庆三信电子有限公司 | Radar monitoring displaying alarming system of automobile tyre pressure, back car |
| CN100487474C (en) * | 2004-09-30 | 2009-05-13 | 重庆三信电子有限公司 | Automobile tyre pressure monitoring display system with exciter and its constituent part |
-
2002
- 2002-12-30 CN CN 02294668 patent/CN2589237Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100354149C (en) * | 2004-09-24 | 2007-12-12 | 重庆三信电子有限公司 | Radar monitoring displaying alarming system of automobile tyre pressure, back car |
| CN100487474C (en) * | 2004-09-30 | 2009-05-13 | 重庆三信电子有限公司 | Automobile tyre pressure monitoring display system with exciter and its constituent part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |