CN205417046U - TPMS calibration system - Google Patents
TPMS calibration system Download PDFInfo
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- CN205417046U CN205417046U CN201521054822.4U CN201521054822U CN205417046U CN 205417046 U CN205417046 U CN 205417046U CN 201521054822 U CN201521054822 U CN 201521054822U CN 205417046 U CN205417046 U CN 205417046U
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- tpms
- high frequency
- calibration system
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Abstract
The utility model belongs to the technical field of vehicle TPMS marks, in particular to TPMS calibration system, including matching instrument and sensor, the matching instrument through the wire and wait that the sensor that matches links to each other and send triggering signal to the sensor through the wire, the sensor was received behind the triggering signal and to be given the matching instrument with self ID information feedback. The triggering signal that the matching instrument sent transmits to the sensor through wired mode, just can not appear because the unable phenomenon of matcing that the tire interval closely leads to, simultaneously, very reliable and accurate of wire transmission mode.
Description
Technical field
This utility model belongs to vehicle TPMS calibration technique field, particularly to a kind of TPMS calibration system.
Background technology
System for monitoring pressure in tyre (TirePressureMonitoringSystem, it is called for short TPMS), it it is a kind of employing Radio Transmission Technology, the high-sensitivity miniature wireless sensing device being fixed in automobile tire is utilized to gather automotive tire pressure when driving a vehicle or being static, the data such as temperature, and transfer data in the main frame in driver's cabin, with related datas such as digitized form real-time display automobile tire pressure and temperature, and (pre-runflat) reminds driver to carry out the automobile active safety system of early warning with the form such as buzzing or voice when tire occurs abnormal.So that it is guaranteed that the pressure and temperature of tire maintains in critical field, play the probability reducing tire of blowing out, ruin, reduce oil consumption and the damage of vehicle part.
Common TPMS system includes a receptor and N number of sensor, receptor is arranged in driving cabin, sensor is arranged in automobile tire, and tire internal information is sent to receptor by radiofrequency signal by sensor, and the signal collected is carried out judgement process and realizes correlation function by receptor.The each sensor of vehicle tyre has oneself No. ID, need to be received device after car load assembling TPMS to mate with the sensor in tire, so that the tire location that receptor Record ID is corresponding, Fig. 1 is the matching way that prior art is traditional, its coupling step is: (A) matching tool launches 125KHz microwave signal trigger sensor, and matching tool trigger range is to trigger a radius border circular areas as radius, with matching tool as the center of circle in Fig. 1；(B) information such as sensor ID are fed back to matching tool after receiving triggering signal by sensor；(C) matching tool receiving sensor information and record correspondence tire location；(D) sensor correspondence tyre position information is sent to receptor by matching tool, and coupling completes.For heavy passenger vehicle, lorry, truck or flat car, there are two the nearest situations of wheel distance in it, this time, in step B of above-mentioned matching process, these close tires all can receive triggering signal, thus cannot realize mating of tire and matching tool.
Utility model content
The purpose of this utility model is to provide a kind of TPMS calibration system, it is possible to realize mating of tire and matching tool reliably, exactly.
For realizing object above, the technical solution adopted in the utility model is: a kind of TPMS calibration system, including matching tool and sensor, described matching tool is connected with sensor to be matched by wire and passes through wire and sends triggering signal to sensor, and self-ID information is fed back to matching tool after receiving triggering signal by sensor.
Compared with prior art, there is techniques below effect in this utility model: the triggering signal that matching tool sends transmits to sensor by the way of wired, would not occur cannot mating phenomenon because of what tire interval closely caused；Meanwhile, wire transmission mode is very reliable and accurate.
Accompanying drawing explanation
Fig. 1 is prior art schematic diagram；
Fig. 2 is theory diagram of the present utility model；
Fig. 3 is the circuit diagram of output circuit；
Fig. 4 is the circuit diagram receiving circuit.
Detailed description of the invention
Below in conjunction with Fig. 2 to Fig. 4, this utility model is described in further detail.
Refering to Fig. 2, a kind of TPMS calibration system, including matching tool 10 and sensor 20, described matching tool 10 is connected with sensor 20 to be matched by wire and passes through wire and sends triggering signal to sensor 20, and sensor 20 receives and self-ID information feeds back to after triggering signal matching tool 10.In the present embodiment, matching tool 10 is connected with sensor 20 by the way of wired, it is to avoid Wireless microwave signal triggers the phenomenons of two neighbouring tire sensors 20 simultaneously, so that the demarcation of sensor 20 is accurate.Than if desired for when demarcating certain tire and obtain the id information of this tire sensor 20, it is only necessary to matching tool 10 is connected by wire with this tire sensor 20.
Preferably, one end of described wire is fixing with matching tool 10 to be connected, and the other end of wire constitutes plug type with sensor 20 and is connected.In calibration process, need to obtain the id information of the sensor 20 in each wheel of vehicle, thus need matching tool 10 to be connected with each sensor 20 respectively, connect for convenience, one end that wire is connected with sensor 20 is set to plug type be connected, uses more convenient.When in use, first matching tool 10 is connected with the sensor 20 in a wheel, then send and trigger signal, this sensor 20 returns self-ID information after receiving triggering signal, after matching tool 10 receives id information, just can disconnect the connection between this sensor 20, then be connected with the sensor 20 in next wheel.
Preferably, described matching tool 10 includes single-chip microcomputer 11, output circuit 12, high frequency receiving circuit 13 and the first power supply 14, and the first power supply 14 is single-chip microcomputer 11, high frequency receiving circuit 13 is powered；Single-chip microcomputer 11 will trigger signal by output circuit 12 and send to sensor 20, and high frequency receiving circuit 13 is for receiving the id information that sensor 20 sends.By arranging output circuit 12, it is possible to easily triggering signal is converted into the suitable signal of telecommunication and exports rather than 125KHz microwave signal of the prior art.
Accordingly, needing to arrange the reception circuit 22 corresponding with output circuit 12 in sensor 20, the reception circuit 22 signal to being received carries out conversion and facilitates sensor chip 21 to receive, process.Described sensor 20 includes sensor chip 21, receives circuit 22, high frequency transmission circuit 23 and second source 24, and second source 24 is powered for sensor chip 21, high frequency transmission circuit 23；Receiving after circuit 22 receives triggering signal that output circuit 12 sends and processes and export to sensor chip 21, self-ID information is wirelessly launched by high frequency transmission circuit 23 and is received by high frequency receiving circuit 13 by sensor chip 21.
Refering to Fig. 3, Fig. 4, specifically, the physical circuit of output circuit 12 and reception circuit 22 has a variety of embodiment, here provide one the most for reference: described output circuit 12 includes audion Q1, the base stage of audion Q1 is connected with single-chip microcomputer 11, by resistance R2 ground connection by resistance R1 respectively, the grounded emitter of audion Q1, the colelctor electrode of audion Q1 is connected with receiving circuit 22 as outfan.Described reception circuit 22 includes diode D1, the positive pole of diode D1 is connected with the colelctor electrode of audion Q1, the negative pole of diode D1 connects+12V power supply by resistance R3 respectively, by resistance R4 ground connection, by resistance R5 ground connection, the negative pole of diode D1 is also connected with sensor chip 21 as the outfan receiving circuit 22.This circuit is simple, it is convenient to realize, and changes the least to original matching tool 10 and sensor 20.
Claims (6)
1. a TPMS calibration system, it is characterized in that: include matching tool (10) and sensor (20), described matching tool (10) is passed through wire and is connected with sensor (20) to be matched and is sent triggering signal to sensor (20) by wire, and sensor (20) receives and self-ID information feeds back to after triggering signal matching tool (10).
2. TPMS calibration system as claimed in claim 1, it is characterised in that: one end of described wire is fixing with matching tool (10) to be connected, and the other end of wire constitutes plug type with sensor (20) and is connected.
3. TPMS calibration system as claimed in claim 1 or 2, it is characterized in that: described matching tool (10) includes single-chip microcomputer (11), output circuit (12), high frequency receiving circuit (13) and the first power supply (14), the first power supply (14) is single-chip microcomputer (11), high frequency receiving circuit (13) power supply；Single-chip microcomputer (11) will trigger signal by output circuit (12) and send to sensor (20), and high frequency receiving circuit (13) is used for receiving the id information that sensor (20) sends.
4. TPMS calibration system as claimed in claim 3, it is characterized in that: described sensor (20) includes sensor chip (21), receives circuit (22), high frequency transmission circuit (23) and second source (24), second source (24) is sensor chip (21), high frequency transmission circuit (23) power supply；Receiving and export to sensor chip (21) after circuit (22) receives output circuit (12) the triggering signal that sends and processes, self-ID information is wirelessly launched by high frequency transmission circuit (23) and is received by high frequency receiving circuit (13) by sensor chip (21).
5. TPMS calibration system as claimed in claim 4, it is characterized in that: described output circuit (12) includes audion Q1, the base stage of audion Q1 is connected with single-chip microcomputer (11), by resistance R2 ground connection by resistance R1 respectively, the grounded emitter of audion Q1, the colelctor electrode of audion Q1 is connected with receiving circuit (22) as outfan.
6. TPMS calibration system as claimed in claim 5, it is characterized in that: described reception circuit (22) includes diode D1, the positive pole of diode D1 is connected with the colelctor electrode of audion Q1, the negative pole of diode D1 connects+12V power supply by resistance R3 respectively, by resistance R4 ground connection, by resistance R5 ground connection, the negative pole of diode D1 is also connected with sensor chip (21) as the outfan receiving circuit (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521054822.4U CN205417046U (en) | 2015-12-15 | 2015-12-15 | TPMS calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521054822.4U CN205417046U (en) | 2015-12-15 | 2015-12-15 | TPMS calibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205417046U true CN205417046U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521054822.4U Active CN205417046U (en) | 2015-12-15 | 2015-12-15 | TPMS calibration system |
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| CN (1) | CN205417046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459742A (en) * | 2015-12-15 | 2016-04-06 | 合肥晟泰克汽车电子有限公司 | Tire pressure monitor system (TPMS) calibration system |
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2015
- 2015-12-15 CN CN201521054822.4U patent/CN205417046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459742A (en) * | 2015-12-15 | 2016-04-06 | 合肥晟泰克汽车电子有限公司 | Tire pressure monitor system (TPMS) calibration system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.27 Hezhang Road, Hefei Economic and Technological Development Zone, Anhui Province, 230000 Patentee after: HEFEI SOFTEC AUTO-ELECTRONIC CO.,LTD. Address before: No. 27 Taoyuan Road, Economic and Technological Development Zone, Hefei City, Anhui Province, 230601 Patentee before: HEFEI SOFTEC AUTO-ELECTRONIC Co.,Ltd. |