CN105459742A - Tire pressure monitor system (TPMS) calibration system - Google Patents
Tire pressure monitor system (TPMS) calibration system Download PDFInfo
- Publication number
- CN105459742A CN105459742A CN201510946333.8A CN201510946333A CN105459742A CN 105459742 A CN105459742 A CN 105459742A CN 201510946333 A CN201510946333 A CN 201510946333A CN 105459742 A CN105459742 A CN 105459742A
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- China
- Prior art keywords
- sensor
- circuit
- tpms
- matching tool
- high frequency
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention belongs to the technical field of vehicle tire pressure monitor system (TPMS) calibration and specifically relates to a TPMS calibration system. The TPMS calibration system comprises a matching tool and a sensor. The matching tool is connected with the to-be-matched sensor through a wire and sends a trigger signal to the sensor through the wire. The sensor feeds identity (ID) information of the sensor back to the matching tool after receiving the trigger signal. The trigger signal given by the matching tool is transmitted to the sensor in a wired mode, so that the phenomenon that matching can not be achieved due to a small gap between tires is avoided. Meanwhile, the wired transmission mode is very reliable and accurate.
Description
Technical field
The invention belongs to vehicle TPMS calibration technique field, particularly a kind of TPMS calibration system.
Background technology
System for monitoring pressure in tyre (TirePressureMonitoringSystem, be called for short TPMS), it is a kind of employing Radio Transmission Technology, the high-sensitivity miniature wireless sensing device be fixed in motor tire is utilized to gather automotive tire pressure under driving or static state, the data such as temperature, and data are sent in the main frame in operator's compartment, with related datas such as the real-time display automobile tire pressure of digitized form 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.Thus guarantee that the pressure and temperature of tire maintains in standard range, play the probability reducing tire of blowing out, ruin, reduce the damage of oil consumption and vehicle part.
Common TPMS system comprises a receptor and N number of sensor, receptor is arranged in driving compartment, sensor is arranged in motor 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 carry out receptor 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 in Fig. 1 is radius to trigger radius, take matching tool as a border circular areas in the center of circle; (B) sensor to receive information feed back such as sensor ID after energizing signal to matching tool; (C) the matching tool receiving sensor information tire location that also record is corresponding; (D) corresponding for sensor tyre position information is sent to receptor by matching tool, and coupling completes.For heavy passenger vehicle, lorry, truck or flat truck, there are two wheel tracks from the situation close to very in it, this time, in the step B of above-mentioned matching process, these close tires all can receive energizing signal, so just cannot realize mating of tire and matching tool.
Summary of the invention
The object of the present invention is to provide a kind of TPMS calibration system, mating of tire and matching tool can be realized reliably, exactly.
For realizing above object, the technical solution used in the present invention is: a kind of TPMS calibration system, comprise matching tool and sensor, described matching tool to be connected with sensor to be matched by wire and by wire, energizing signal to be sent to sensor, and self-ID information is fed back to matching tool after receiving energizing signal by sensor.
Compared with prior art, there is following technique effect in the present invention: the energizing signal that matching tool sends transfers to sensor by wired mode, would not occur because tire interval closely cause cannot mate phenomenon; Meanwhile, wire transmission mode very reliable and accurately.
Accompanying drawing explanation
Fig. 1 is prior art schematic diagram;
Fig. 2 is functional block diagram of the present invention;
Fig. 3 is the circuit diagram of output circuit;
Fig. 4 is the circuit diagram of acceptor circuit.
Detailed description of the invention
Below in conjunction with Fig. 2 to Fig. 4, the present invention is described in further detail.
Consult Fig. 2, a kind of TPMS calibration system, comprise matching tool 10 and sensor 20, described matching tool 10 to be connected with sensor 20 to be matched by wire and by wire, energizing signal to be sent to sensor 20, after sensor 20 receives energizing signal, self-ID information is fed back to matching tool 10.In the present embodiment, matching tool 10 is connected with sensor 20 by wired mode, avoids the phenomenon that Wireless microwave signal triggers two contiguous tire sensors 20 simultaneously, thus makes the demarcation of sensor 20 accurate.When such as needing to demarcate certain tire and obtain the id information of this tire sensor 20, only need matching tool 10 to be connected by wire with this tire sensor 20.
Preferably, one end of described wire is fixedly connected with matching tool 10, and the other end of wire forms plug type with sensor 20 and is connected.In calibration process, need the id information of the sensor 20 obtained in each wheel of vehicle, so just need matching tool 10 to be connected with each sensor 20 respectively, conveniently connect, 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 energizing signal is sent, self-ID information is returned after this sensor 20 receives energizing 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 comprises that micro controller system 11, output circuit 12, high frequency receiving circuit 13 and the first power supply 14, first power supply 14 are micro controller system 11, high frequency receiving circuit 13 is powered; Energizing signal is sent to sensor 20 by output circuit 12 by micro controller system 11, the id information that high frequency receiving circuit 13 sends for receiving sensor 20.By arranging output circuit 12, can energizing signal be converted to suitable electric signal easily and export, instead of 125KHz microwave signal of the prior art.
Accordingly, need in sensor 20 to arrange the acceptor circuit 22 corresponding with output circuit 12, acceptor circuit 22 carries out conversion to received signal and facilitates sensor chip 21 to receive, process.Described sensor 20 comprises sensor chip 21, acceptor circuit 22, high frequency transmission circuit 23 and second source 24, and second source 24 is sensor chip 21, high frequency transmission circuit 23 is powered; Acceptor circuit 22 receives energizing signal that output circuit 12 sends and exports sensor chip 21 to after process, sensor chip 21 by high frequency transmission circuit 23 self-ID information wirelessly launched and receive by high frequency receiving circuit 13.
Consult Fig. 3, Fig. 4, particularly, the physical circuit of output circuit 12 and acceptor circuit 22 has a variety of embodiment, here provide one comparatively preferably for reference: described output circuit 12 comprises aerotron Q1, the base stage of aerotron Q1 is connected with micro controller system 11 respectively by resistance R1, by resistance R2 ground connection, the grounded emitter of aerotron Q1, the collecting electrode of aerotron Q1 is connected with acceptor circuit 22 as mouth.Described acceptor circuit 22 comprises diode D1, the positive pole of diode D1 is connected with the collecting electrode of aerotron Q1, the negative pole of diode D1 connects+12V power supply respectively by resistance R3, 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 mouth of acceptor circuit 22.This circuit is simple, realization is convenient, changes very little to original matching tool 10 and sensor 20.
Claims (6)
1. a TPMS calibration system, it is characterized in that: comprise matching tool (10) and sensor (20), described matching tool (10) to be connected with sensor to be matched (20) by wire and by wire, energizing signal to be sent to sensor (20), self-ID information is fed back to matching tool (10) after sensor (20) receives energizing signal.
2. TPMS calibration system as claimed in claim 1, it is characterized in that: one end of described wire is fixedly connected with matching tool (10), the other end of wire forms 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) comprises micro controller system (11), output circuit (12), high frequency receiving circuit (13) and the first power supply (14), the first power supply (14) be micro controller system (11), high frequency receiving circuit (13) power supply; Energizing signal is sent to sensor (20) by output circuit (12) by micro controller system (11), the id information that high frequency receiving circuit (13) sends for receiving sensor (20).
4. TPMS calibration system as claimed in claim 3, it is characterized in that: described sensor (20) comprises sensor chip (21), acceptor circuit (22), high frequency transmission circuit (23) and second source (24), second source (24) be sensor chip (21), high frequency transmission circuit (23) power supply; Acceptor circuit (22) receives output circuit (12) energizing signal that sends and exports sensor chip (21) to after process, sensor chip (21) by high frequency transmission circuit (23) self-ID information wirelessly launched and receive by high frequency receiving circuit (13).
5. TPMS calibration system as claimed in claim 4, it is characterized in that: described output circuit (12) comprises aerotron Q1, the base stage of aerotron Q1 is connected with micro controller system (11) respectively by resistance R1, by resistance R2 ground connection, the grounded emitter of aerotron Q1, the collecting electrode of aerotron Q1 is connected with acceptor circuit (22) as mouth.
6. TPMS calibration system as claimed in claim 5, it is characterized in that: described acceptor circuit (22) comprises diode D1, the positive pole of diode D1 is connected with the collecting electrode of aerotron Q1, the negative pole of diode D1 connects+12V power supply respectively by resistance R3, 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 mouth of acceptor circuit (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946333.8A CN105459742A (en) | 2015-12-15 | 2015-12-15 | Tire pressure monitor system (TPMS) calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946333.8A CN105459742A (en) | 2015-12-15 | 2015-12-15 | Tire pressure monitor system (TPMS) calibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105459742A true CN105459742A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510946333.8A Pending CN105459742A (en) | 2015-12-15 | 2015-12-15 | Tire pressure monitor system (TPMS) calibration system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007216832A (en) * | 2006-02-16 | 2007-08-30 | Aisin Seiki Co Ltd | Tire air pressure monitoring system |
| JP2008105469A (en) * | 2006-10-23 | 2008-05-08 | Toyota Motor Corp | System for specifying wheel to be detected of wheel state detection unit |
| CN201382008Y (en) * | 2009-04-22 | 2010-01-13 | 上海奉天电子有限公司 | Wind-speed gear control circuit of blast blower |
| CN102848866A (en) * | 2012-08-21 | 2013-01-02 | 深圳市元征科技股份有限公司 | Wired communication connection based system and method for realizing upgrading of general TPMS emission terminal |
| CN104417289A (en) * | 2013-08-20 | 2015-03-18 | 车王电子股份有限公司 | Code convertor and code conversion method thereof |
| CN205417046U (en) * | 2015-12-15 | 2016-08-03 | 合肥晟泰克汽车电子有限公司 | TPMS calibration system |
-
2015
- 2015-12-15 CN CN201510946333.8A patent/CN105459742A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007216832A (en) * | 2006-02-16 | 2007-08-30 | Aisin Seiki Co Ltd | Tire air pressure monitoring system |
| JP2008105469A (en) * | 2006-10-23 | 2008-05-08 | Toyota Motor Corp | System for specifying wheel to be detected of wheel state detection unit |
| CN201382008Y (en) * | 2009-04-22 | 2010-01-13 | 上海奉天电子有限公司 | Wind-speed gear control circuit of blast blower |
| CN102848866A (en) * | 2012-08-21 | 2013-01-02 | 深圳市元征科技股份有限公司 | Wired communication connection based system and method for realizing upgrading of general TPMS emission terminal |
| CN104417289A (en) * | 2013-08-20 | 2015-03-18 | 车王电子股份有限公司 | Code convertor and code conversion method thereof |
| CN205417046U (en) * | 2015-12-15 | 2016-08-03 | 合肥晟泰克汽车电子有限公司 | TPMS calibration system |
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| CB02 | Change of applicant information |
Address after: 230601 No. 27, Taoyuan Road, Hefei economic and Technological Development Zone, Anhui, China Applicant after: Hefei hi tech automotive electronic Limited by Share Ltd Address before: 230601 No. 27, Taoyuan Road, Hefei economic and Technological Development Zone, Anhui, China Applicant before: Hefei Softec Auto-Electronic Co., Ltd. |
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Application publication date: 20160406 |
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