WO2010088807A1 - 轮胎压力监测系统 - Google Patents

轮胎压力监测系统 Download PDF

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Publication number
WO2010088807A1
WO2010088807A1 PCT/CN2009/072188 CN2009072188W WO2010088807A1 WO 2010088807 A1 WO2010088807 A1 WO 2010088807A1 CN 2009072188 W CN2009072188 W CN 2009072188W WO 2010088807 A1 WO2010088807 A1 WO 2010088807A1
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WO
WIPO (PCT)
Prior art keywords
tire
information
component
monitoring system
receiver
Prior art date
Application number
PCT/CN2009/072188
Other languages
English (en)
French (fr)
Inventor
李威
Original Assignee
上海保隆汽车科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海保隆汽车科技股份有限公司 filed Critical 上海保隆汽车科技股份有限公司
Priority to JP2011548516A priority Critical patent/JP5512703B2/ja
Priority to EP09839524.7A priority patent/EP2394827B1/en
Priority to BRPI0924367-4A priority patent/BRPI0924367B1/pt
Priority to CA2750397A priority patent/CA2750397C/en
Priority to AU2009339210A priority patent/AU2009339210B2/en
Priority to ES09839524T priority patent/ES2433578T3/es
Priority to PL09839524T priority patent/PL2394827T3/pl
Priority to US12/838,047 priority patent/US20100283594A1/en
Publication of WO2010088807A1 publication Critical patent/WO2010088807A1/zh

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Classifications

    • 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
    • B60C23/0483—Wireless routers between wheel mounted transmitters and chassis mounted receivers
    • 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
    • B60C23/005—Devices specially adapted for special wheel arrangements
    • B60C23/009—Devices specially adapted for special wheel arrangements having wheels on a trailer
    • 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
    • B60C23/0415—Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels

Definitions

  • the present invention relates to an automobile tire pressure monitoring system (TPMS system;), and more particularly to a TPMS system for a truck that frequently replaces a trailer.
  • TPMS system automobile tire pressure monitoring system
  • the tire pressure monitoring system has entered the car field, and the technology is more mature, but it is used less in the truck field. The reason is that the truck trailer is frequently replaced, sometimes even changed several times a day, which leads to the monitoring of the truck system. Frequent replacement of tires makes tire monitoring difficult.
  • U.S. Patent Publication No. US 2006/0279416 A1 proposes a tire pressure monitoring system that monitors the tires of the trailer portion in a combination of a transponder 21 and an ID reader 13.
  • the code reader 13 is mounted to the rear of the vehicle head, and the transponder 21 is mounted on the trailer.
  • the receiver of the front end transmits the information control transponder 21 through the code reader 13, and the transponder 21 sends the data to the code reader 13, and the code reader 13 feeds back the relayed data to the receiver.
  • the system is more complicated.
  • the front part of the car needs to install the code reader and the trailer information receiving circuit, and the lead wire needs to be connected to the tail of the vehicle head. Therefore, the amount of the wiring harness installed in the front part is not significantly reduced;
  • the technical solution adopted by the present invention to solve the above technical problem is to provide a tire pressure monitoring system suitable for an automobile having a first component and a replaceable second component, the tire pressure monitoring system including a registrar and a repeater And receiver.
  • the registrar is configured to wirelessly transmit a registration code corresponding to the automobile;
  • the repeater is disposed on the second component, and is configured to forward the second tire information sent by the tire pressure transmitter of each tire on the second component, when the When the repeater receives the registration code, the tire information is attached to the registration code and then forwarded.
  • the receiver is disposed on the first component for receiving the second tire information, wherein when the registration code included in the second tire information is consistent with the registration code of the car saved by the receiver, the receiver The second tire information is processed as tire information on the second part of the automobile.
  • the first component is a front end of a car
  • the second component is a trailer of a car
  • the registrar is disposed on the first component and periodically sends the registration code.
  • the registrar can be a standalone device.
  • the second tire information transmitted by the tire pressure transmitter includes: tire identification information and tire pressure, wherein the tire identification information corresponds to identification information of the tire pressure transmitter on the second component.
  • the repeater includes: a reading unit configured to read tire identification information of each tire on the second component, wherein each tire identification information is stored in an ID inserted into the reading unit a code information memory; a controller, configured to process forwarding of the tire information, wherein the controller has tire identification information in the second tire information sent by the tire pressure transmitter and tire identification information in the reading unit The second tire information is processed inconsistently.
  • the repeater may further comprise: a standard air pressure setting circuit for providing an interface for setting a standard air pressure value for each tire.
  • the receiver includes updating the tire identification information based on the received second tire information.
  • the receiver is further configured to receive first tire information sent by a tire pressure transmitter of each tire on the first component, wherein the received first tire information is included
  • the receiver will A tire information is processed as tire information of the front part of the automobile.
  • the receiver may include: a reading unit configured to read tire identification information of each tire on the first component, wherein each tire identification information is saved in the reading code The unit's ID code information memory; and a standard air pressure setting circuit for providing an interface for setting the standard air pressure value of each tire on the first component.
  • the monitoring process is completely automated, no human operation is required, the user does not need professional operation when using, and the manual error of code may be reduced, the use is simpler and more convenient, the whole process is Automation, so that the maintenance costs during the user's use are reduced, and the efficiency of vehicle use is improved.
  • FIG. 1 is a schematic view showing the arrangement of a tire pressure monitoring system according to an embodiment of the present invention on an automobile.
  • Fig. 2 shows the structure of a tire pressure monitoring system according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram showing the structure of a registrar according to an embodiment of the present invention.
  • FIG. 4 is a block diagram showing the structure of a repeater according to an embodiment of the present invention.
  • FIG. 5 is a block diagram showing the structure of a receiver according to an embodiment of the present invention.
  • FIG. 6 is a flow chart showing the operation of the receiver receiving repeater information according to an embodiment of the present invention.
  • TPMS tire pressure monitoring system
  • FIG. 1 is a schematic view showing the arrangement of a tire pressure monitoring system on an automobile according to an embodiment of the present invention.
  • Figure 2 shows a tire pressure monitoring system (TPMS) structure according to an embodiment of the present invention.
  • the tire pressure monitoring system is mounted on a vehicle 100 having a first component (such as a front portion 101) and a second component (such as a trailer portion 102).
  • the tire pressure monitoring system includes a registrar 10, a tire pressure transmitter 20a of the trailer portion, a tire pressure transmitter 20b of the front portion, a repeater 30, and a receiver 40.
  • Each of the tire pressure transmitters 20a, 20b is mounted on each tire of the automobile in a one-to-one correspondence, and is responsible for monitoring the pressure of the tire (also having temperature), and transmitting it periodically. When an alarm occurs, the data is immediately sent to notify the receiver 40 to perform an alarm.
  • the tire information transmitted by the tire pressure transmitter 20a is referred to as second tire information
  • the tire information transmitted by the tire pressure transmitter 20b is referred to as first tire information.
  • the first and second tire information may include tire pressure, tire identification (ID) information, wherein the tire ID information substantially corresponds to the ID of each pressure transmitter.
  • the information transmitted by the tire pressure transmitter 20a of the trailer portion needs to be relayed by the repeater 30, and the tire pressure transmitter 20b of the front portion can be directly sent to the receiver 40.
  • the information transmission flow of the tire pressure transmitter 20a of the trailer portion will be emphasized.
  • the register 10 is mounted on the front end 101 and has a fixed unique vehicle registration code and is periodically sent.
  • the register 10 is structured as shown in FIG. 2 and includes a controller 11, a signal transmitting unit 12, and a battery power supply circuit 13.
  • the Registrar 10 is powered by a lithium battery.
  • the transmission power of the registrar 10 is controlled in the design so that its coverage is near the receiving antenna 31 of the repeater 20 of the system to ensure that the repeater can reliably receive the registration code, while the repeaters of other vehicles cannot receive it. Go to the registration code.
  • Registrar 10 The use of a large capacity battery allows it to last up to 10 years.
  • the registrar 10 can also send a registration code to the receiver 40 to provide registration.
  • the registrar 10 can also be a stand-alone handheld device that is sent by the operator to the repeater 20 when needed.
  • the repeater 30 includes a central controller 32, a transmitter signal receiving unit 33, a register signal receiving unit 34, a signal transmitting unit 35, a power supply circuit 36, a standard air pressure setting circuit 37, and a reading code. Circuit 38 and other circuits.
  • the repeater 30 is mounted on the trailer 102, and is connected to the normal line power of the trailer portion, and is responsible for forwarding the second tire information transmitted by the tire pressure transmitter 20a of each tire on the trailer 102. After the repeater 30 needs to be registered by the register 10 Only work properly. Specifically, the repeater 30 receives the registration code information sent by the registrar 10 through the registrar signal receiving unit 34 and saves it.
  • the repeater 30 displays the monitored second tire information (for example, the tire ID, Tire position, The tire standard air pressure value, the tire pressure, the temperature, and the like, and the registration code information are transmitted to the receiver 40 through the signal transmitting unit 35.
  • the transmission process is roughly as follows:
  • the repeater 30 receives tire information from the tire pressure transmitter 20a through the transmitter signal receiving unit 33.
  • the reading unit 38 of the repeater 30 reads the tire ID information of each tire of the trailer portion.
  • the tire ID information corresponding to each transmitter 20a may be stored in a corresponding ID code information memory (such as an IC card mode), and inserted into the reading unit 38 for reading after installation of the transmitter. Unit read.
  • the reading unit 38 can be configured in a combination of hardware and/or software.
  • the central controller 32 extracts the tire ID information therein and compares the tire ID information read by the self-reading unit 38, and then remains and waits for the signal transmitting unit 35 to transmit to the receiver. If it is inconsistent, it will be discarded and will not be processed.
  • the repeater 30 has a function of setting a standard air pressure value.
  • the standard air pressure setting circuit 37 is used to provide an interface for setting the standard air pressure value of each tire.
  • the tire pressure standard value is set by: When the tire needs to set the standard air pressure value (such as the first installation of the transmitter and the replacement of the transmitter, etc.), first recharge the tire pressure to the standard air pressure, and press the repeater 30 Set the button for 5 seconds to place the repeater in the standard air pressure setting mode. At this time, the tire pressure is charged to the standard tire pressure. After that, the repeater receives several frames of data according to a certain algorithm (eg: Average) gives the standard pressure for each trailer tire.
  • a certain algorithm eg: Average
  • the repeater 30 In actual operation, after the repeater 30 is activated, information such as the tire ID information and the set standard air pressure value in each ID code information memory is read. Then, the repeater 30 waits for the registration code to be received, enters the normal monitoring mode after receiving the registration code, and immediately transmits all the monitored second tire information, and the registration code is attached to the monitored tire information. Thereafter, each time the monitored second tire information is received, it is immediately forwarded once.
  • the receiver 40 is mounted on the vehicle head 101, and includes a central controller 41, a power supply circuit 42, a transmitter signal receiving unit 43, a repeater signal receiving unit 44, a reading unit 45, and a display unit. 46.
  • the ID code information memory (not shown) corresponding to the head portion transmitter 20b can be mounted on the reading unit 45 in the receiver 40 to directly monitor the tire pressure transmitter 20b of the front portion.
  • the receiver 40 receives the first tire information from the tire pressure transmitter 20b through the transmitter signal receiving unit 43.
  • the central controller 41 extracts the tire ID information therein and compares the tire ID information read by the self-reading unit 45, and the same is retained. And as the front tire information processing, if they are inconsistent, they will be discarded and will not be processed.
  • a standard air pressure setting circuit 47 similar to the repeater 30 is also provided in the receiver 40 for setting the standard tire pressure of each tire of the head portion.
  • the receiver 40 may contain a registration code associated with the registrar 10 as a discriminating indicator for identifying the signal transmitted by the repeater.
  • the registration code can be preset in the receiver or can be obtained by registering with the registrar 10.
  • the registrar 10 can be fixed to a certain part of the front of the vehicle or can be a separate handheld device.
  • the receiver 40 receives the tire information including the registration code sent by the repeater 30 via the repeater signal receiving unit 44 (step 201), the registration code is extracted (step 202), and The registration code saved by itself is compared (step 203). If it is consistent, it indicates that the tire information is the information of the trailer currently being hung, the trailer tire information monitored by the repeater is recorded, and the repeater 30 transmits the same.
  • the tire temperature/pressure information (step 204), for example, is transmitted to the display unit 46 for display to enable monitoring of the vehicle tire. If the registration codes of the two are inconsistent, it is considered that the tire information of the trailer currently being hung is discarded.
  • the system automatically updates the tire ID information by the second tire information including the registration code sent by the repeater, and monitors according to the newly combined system. .
  • the embodiment of the present invention proposes a solution for frequently changing the trailer tire pressure monitoring system of the trailer, which can automatically recognize the tire pressure transmitter identity replacement brought by the replacement of the trailer, and automatically adjust the system so that the system can automatically Monitor new tire pressure transmitters.
  • the solution proposed by the present invention has the following advantages:
  • the monitoring process is completely automated, no human operation is required, the user does not need professional operation when using, and the manual error of code may be reduced, the use is simpler and more convenient, the whole process is Automation, so that the maintenance costs during the user's use are reduced, and the efficiency of vehicle use is improved.

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  • Engineering & Computer Science (AREA)
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  • Computer Networks & Wireless Communication (AREA)
  • Measuring Fluid Pressure (AREA)

Description

轮胎压力监测系统 技术领域
本发明涉及一种汽车轮胎压力监测系统 (TPMS 系统；)， 特别是涉及一种适 用于频繁更换拖车的卡车的 TPMS系统。 背景技术
轮胎压力监测系统已经进入轿车领域， 且技术运用比较成熟， 然而在卡车 领域运用较少，其原因是卡车的拖车经常性更换，有时甚至每天就会更换几次， 这导致卡车系统中监控的对象 轮胎经常性更换， 使得轮胎监控困难。
对于这种情况， 目前大多数的做法是在拖车上安装接收机监控拖车轮胎， 车头安装接收机监控车头轮胎， 两个接收机之间通过有线的方式连接， 并以有 线方式进行数据传输， 将数据传输给车头的显示器显示。 当卡车更换拖车时， 更换两者之间的连接线束。
该方式虽然可以解决拖车的更换带来的问题， 但是该方式的明显缺陷是需 要在车上布置大量的线束， 安装相当麻烦。 而且在更换拖车后需要专业的人为 操作使得系统更新识别监控的发射器。 这种方式不仅安装成本高， 而且维护效 率低。
为了解决上述问题， 美国专利公开号 US2006/0279416A1提出了一种轮胎 压力监测系统，采用转发器 (transponder)21与读码器 (ID reader) 13组合的方式监 控拖车部分的轮胎。 读码器 13安装于车头的尾部， 转发器 21安装于拖车上。 车头的接收器通过读码器 13发送信息控制转发器 21， 由转发器 21再将数据发 送给读码器 13， 读码器 13将中继的数据反馈给接收器。 由此解决了车头和拖 车之间的连接线问题。 但是这一方式仍然有如下缺点：
1、 系统比较复杂， 车头部分需要安装读码器和拖车信息接收电路， 而且 需要引线至车头尾部， 因此车头部分的安装线束量并未明显减少；
2、 每次更换拖车后， 都需要启动读码器， 读取拖车部分的轮胎 ID信息。 发明内容 本发明所要解决的技术问题是提供一种更加简化和灵活的轮胎压力监测系 统。
本发明为解决上述技术问题而采用的技术方案是提出一种轮胎压力监测 系统， 适用于具有第一部件和可更换的第二部件的汽车， 所述轮胎压力监测系 统包括注册器、中继器和接收器。注册器用以无线发送对应于本汽车的注册码； 中继器设于该第二部件上， 用以转发该第二部件上的各轮胎的轮胎压力发射器 所发送的第二轮胎信息， 当该中继器接收到该注册码时， 将该轮胎信息附加该 注册码后转发。 接收器设于该第一部件上， 用以接收第二轮胎信息， 其中当该 第二轮胎信息所包含的注册码与该接收器保存的本汽车的注册码一致时， 该接 收器将该第二轮胎信息作为本汽车的第二部件上的轮胎信息处理。
在本发明的一实施例中， 上述第一部件为汽车的车头， 所述第二部件为汽 车的拖车。
在本发明的一实施例中， 上述注册器是设于该第一部件上且定时发送上述 注册码。 在本发明的另一实施例中， 上述注册器可为一独立的设备。
在本发明的一实施例中， 上述轮胎压力发射器所发送的第二轮胎信息包 含： 轮胎标识信息及轮胎压力， 其中该轮胎标识信息对应该第二部件上的轮胎 压力发射器的标识信息。
在本发明的一实施例中， 上述中继器包括： 读码单元， 用以读取第二部件 上各轮胎的轮胎标识信息， 其中各轮胎标识信息是保存于插入至该读码单元的 ID码信息存储器中； 控制器， 用以处理所述轮胎信息的转发， 其中该控制器在 所述轮胎压力发射器所发送的第二轮胎信息中的轮胎标识信息与读码单元中 的轮胎标识信息一致时处理该第二轮胎信息。
在一实施例中， 中继器还可进一步包括： 标准气压设置电路， 用以提供设 置各轮胎的标准气压值的接口。
在本发明的一实施例中， 上述接收器包括根据所接收到的第二轮胎信息进 行轮胎标识信息的更新。
在本发明的一实施例中， 上述的接收器还用以接收该第一部件上的各轮胎 的轮胎压力发射器所发送的第一轮胎信息， 其中当所收到的第一轮胎信息中包 含的轮胎标识信息和保存于该接收器的轮胎标识信息一致时， 该接收器将该第 一轮胎信息作为本汽车车头部分的轮胎信息处理。
在本发明的一实施例中， 上述的接收器可包括： 读码单元， 用以读取该第 一部件上的各轮胎的轮胎标识信息， 其中各轮胎标识信息是保存于插入至该读 码单元的 ID 码信息存储器中； 以及标准气压设置电路， 用以提供设置第一部 件上的各轮胎的标准气压值的接口。
本发明由于采用以上技术方案，使之与现有技术相比，具有如下显著优点：
1、 采用注册码发送器进行自动对码， 使得监控过程完全自动化， 无需人 为操作， 用户使用时不需要很专业的操作， 减少人工对码可能存在的错误， 使 用更加简单、 方便， 整个过程的自动化， 使得用户使用过程中的维护成本得以 降低， 提高的车辆使用的效率。
2、 由于中继器和接收器之间采用的是无线连接方式， 安装起来大为简便， 同时减少了大量线束， 降低了硬件成本和安装人力成本。 附图概述
本发明的特征、 性能由以下的实施例及其附图进一步描述。
图 1示出本发明一实施例的轮胎压力监测系统于汽车上的布置示意图。 图 2示出本发明一实施例的轮胎压力监测系统结构。
图 3示出本发明一实施例的注册器结构示意图。
图 4示出本发明一实施例的中继器结构示意图。
图 5示出本发明一实施例的接收器结构示意图。
图 6示出本发明一实施例的接收器接收中继器信息的工作流程图。 本发明的最佳实施方式
由于很多卡车存在拖车和车头更换的现象， 因此， 同一个系统的轮胎不是 固定的， 也就是说系统监控的轮胎不固定。 但是， 相对而言， 车头和拖车两部 分的轮胎基本不变， 因此根据本发明的一个实施例， 提出一种轮胎压力监测系 统 (TPMS), 通过设置一个码注册器， 通过无线的方式进行注册， 完全实现了系 统自动识别拖车的更换， 安装使用十分简便。
图 1示出本发明一实施例的轮胎压力监测系统于汽车上的布置示意图。 图 2示出本发明一实施例的轮胎压力监测系统 (TPMS)结构。 该轮胎压力监测系统 安装在具有第一部件 （如车头部分 101 ) 和第二部件 （如拖车部分 102 ) 的汽 车 100上。轮胎压力监测系统包括注册器 10、拖车部分的轮胎压力发射器 20a、 车头部分的轮胎压力发射器 20b、 中继器 30以及接收器 40。
各个轮胎压力发射器 20a、 20b一一对应地安装在汽车的各个轮胎上， 负 责监控轮胎的压力 （还可有温度） ， 并定时发送出来， 出现报警时， 立即发送 数据通知接收器 40进行报警。这里， 将轮胎压力发射器 20a所发送的轮胎信息 称为第二轮胎信息， 而轮胎压力发射器 20b所发送的轮胎信息称为第一轮胎信 息。 第一和第二轮胎信息可包括轮胎压力、 轮胎标识 （ID) 信息， 其中轮胎 ID 信息实质上对应各压力发射器的 ID。其中拖车部分的轮胎压力发射器 20a发送 的信息需要通过中继器 30进行中继， 而车头部分的轮胎压力发射器 20b可直 接发送给接收器 40。 在下面的描述中， 将着重拖车部分的轮胎压力发射器 20a 的信息发送流程。
在一实施例中， 如图 3所示， 注册器 10安装在车头 101上， 其内含有固 定的唯一的本汽车注册码， 且定时发送该注册码。 注册器 10结构如图 2所示， 包含控制器 11、 信号发射单元 12 以及电池供电电路 13。 注册器 10 由锂电池 供电。 设计中控制注册器 10 的发送功率， 使得其覆盖范围在本系统的中继器 20的接收天线 31 附近， 以保证中继器可以可靠收到注册码， 而其他车辆的中 继器则不能收到该注册码。 注册器 10 使用大容量的电池使得其工作寿命可达 10年之久。 在另一实施例中， 注册器 10也可向接收器 40发送注册码来提供注 册。 在又一实施例中， 注册器 10 也可为一独立的手持设备， 当需要时由操作 人员操作向中继器 20发送该注册码。
参照图 2和图 4所示， 中继器 30包括中央控制器 32、 发射器信号接收单 元 33、 注册器信号接收单元 34、 信号发射单元 35、 供电电路 36、 标准气压设 置电路 37、 读码单元 38等电路。 中继器 30安装在拖车 102上， 接拖车部分的 常火线电源， 负责转发拖车 102上各轮胎的轮胎压力发射器 20a所发送的第二 轮胎信息， 中继器 30需要经注册器 10注册后才正常工作。 具体地说， 中继器 30通过注册器信号接收单元 34接收到注册器 10发送的注册码信息后保存，在 注册成功后， 中继器 30将所监控的第二轮胎信息 （例如轮胎 ID、 轮胎位置、 轮胎标准气压值、 轮胎的压力、 温度等） 和注册码信息通过信号发射单元 35 发送给接收器 40。 发送过程大致如下： 中继器 30通过发射器信号接收单元 33 接收来自轮胎压力发射器 20a的轮胎信息。 中继器 30的读码单元 38会读取拖 车部分各轮胎的轮胎 ID信息。 在一个实施例中， 各发射器 20a对应的轮胎 ID 信息可以分别储存在对应的 ID码信息存储器 （如 IC卡方式） 中， 并于安装发 射器后插入到该读码单元 38中供读码单元读取。 读码单元 38可以采用硬件和 /或软件相结合的方式配置。 当中继器 30接收到第二轮胎信息后， 中央控制器 32提取其中的轮胎 ID信息和自身读码单元 38所读取的轮胎 ID信息进行比较， 一致则保留并待信号发射单元 35发送给接收器 40， 如果不一致则丢弃， 不予 处理。
较佳地， 中继器 30具有设定标准气压值的功能。 标准气压设置电路 37用 以提供设置各轮胎的标准气压值的接口。 轮胎压力标准值的设定方法是： 当轮 胎需要设定标准气压值 （如第一次安装发射器以及更换发射器等情形） 时， 先 将轮胎压力充值标准气压， 长按中继器 30 的设定按键 5秒钟， 可将中继器置 于标准气压设定模式下， 此时将轮胎压力充至标准胎压， 之后中继器收到的几 帧数据根据一定的算法 （如： 取平均值） 得出每个拖车轮胎的标准压力。
在实际工作时， 中继器 30启动后， 读取各 ID码信息存储器内的轮胎 ID 信息、 设定的标准气压值等信息。 然后， 中继器 30等待接收注册码， 收到注册 码后进入正常监控模式， 同时立即发送一次所有监控的第二轮胎信息， 这些监 控的轮胎信息中附加了该注册码。 此后每收到一次所监控的第二轮胎信息， 立 即转发一次。
参照图 2和图 5所示， 接收器 40安装在车头 101上， 包括中央控制器 41、 供电电路 42、 发射器信号接收单元 43、 中继器信号接收单元 44、读码单元 45、 显示单元 46、 标准气压设置电路 47、 天线 48等部分。
接收器 40中的读码单元 45上可安装车头部分发射器 20b所对应的 ID码 信息存储器 （图未示出） ， 直接监控车头部分的轮胎压力发射器 20b。 具体地 说， 接收器 40通过发射器信号接收单元 43接收来自轮胎压力发射器 20b的第 一轮胎信息。 当接收器 40接收到第一轮胎信息后， 中央控制器 41提取其中的 轮胎 ID信息和自身读码单元 45所读取的轮胎 ID信息进行比较， 一致则保留 并作为车头轮胎信息处理， 如果不一致则丢弃， 不予处理。
接收器 40中也设置类似于中继器 30的标准气压设置电路 47，用以设定车 头部分各轮胎的标准胎压。
接收器 40中可含有和注册器 10—致的注册码， 作为识别中继器发送信号 的判别标示。 该注册码可以是预置于接收器中， 也可以是通过注册器 10 注册 而得到。 其中注册器 10 可以是固定于车头某一部位， 也可以是一独立的手持 设备。
参照图 6所示， 当接收器 40经中继器信号接收单元 44收到中继器 30发 送的包含注册码的轮胎信息后 （步骤 201 ) ， 提取其中的注册码 （步骤 202) ， 并和自身保存的注册码进行比较 （步骤 203 ) ， 如果一致则表明这一轮胎信息 是目前所挂拖车的信息， 记录该中继器所监测的拖车轮胎信息， 并依此处理中 继器 30发送的轮胎温度 /压力信息（步骤 204 )， 例如传输给显示单元 46显示， 从而实现整车轮胎的监控。 如果两者的注册码比较不一致则认为不是目前所挂 拖车的轮胎信息， 予以丢弃。
当更换拖车时， 无需更换拖车的中继器 30和轮胎压力发射器 20a， 系统通 过中继器发送的包含注册码的第二轮胎信息自动完成轮胎 ID 信息更新， 且按 照新组合的系统进行监控。
综上所述， 本发明的实施例提出了频繁更换拖车的卡车轮胎压力监测系统 的解决方案， 可以自动识别拖车的更换带来的轮胎压力发射器身份更换， 并自 动调整系统， 使得系统能够自动监控新的轮胎压力发射器。 相比于现在所用的 方案而言， 本发明所提出的方案有如下优点：
1、 采用注册码发送器进行自动对码， 使得监控过程完全自动化， 无需人 为操作， 用户使用时不需要很专业的操作， 减少人工对码可能存在的错误， 使 用更加简单、 方便， 整个过程的自动化， 使得用户使用过程中的维护成本得以 降低， 提高的车辆使用的效率。
2、 由于中继器和接收器之间采用的是无线连接方式， 安装起来大为简便， 同时减少了大量线束， 降低了硬件成本和安装人力成本。

Claims

权 利 要 求
1. 一种轮胎压力监测系统， 适用于具有第一部件和可更换的第二部件的汽 车， 所述轮胎压力监测系统包括：
注册器， 用以无线发送对应于本汽车的注册码；
中继器， 设于该第二部件上， 用以转发该第二部件上的各轮胎的轮胎压力 发射器所发送的第二轮胎信息， 当该中继器接收到该注册码时， 将该第二轮胎 信息附加该注册码后转发； 以及
接收器， 设于该第一部件上， 用以接收该中继器转发的该第二轮胎信息， 其 中当该第二轮胎信息所包含的注册码与该接收器保存的本汽车的注册码一致时，该 接收器将该第二轮胎信息作为本汽车第二部件的轮胎信息处理。
2. 如权利要求 1 所述的轮胎压力监测系统， 其特征在于， 所述第一部件为 汽车的车头， 所述第二部件为汽车的拖车。
3. 如权利要求 1 所述的轮胎压力监测系统， 其特征在于， 所述注册器设于 该第一部件上且定时发送所述注册码。
4. 如权利要求 1 所述的轮胎压力监测系统， 其特征在于， 所述注册器为一 独立的设备。
5. 如权利要求 1 所述的轮胎压力监测系统， 其特征在于， 所述第二轮胎信 息包含：轮胎标识信息及轮胎压力，其中该轮胎标识信息对应该第二部件上的轮胎 压力发射器的标识信息。
6. 如权利要求 5所述的轮胎压力监测系统， 其特征在于， 所述中继器包括： 读码单元， 用以读取该第二部件上的各轮胎的轮胎标识信息， 其中各轮胎 标识信息是保存于插入至该读码单元的 ID码信息存储器中；
控制器， 用以处理所述第二轮胎信息的转发， 其中该控制器在所述轮胎压力 发射器所发送的第二轮胎信息中的轮胎标识信息与读码单元所读取的轮胎标识 信息一致时处理该第二轮胎信息。
7. 如权利要求 6所述的轮胎压力监测系统， 其特征在于， 所述中继器进一 步包括：
标准气压设置电路， 用以提供设置第二部件上的各轮胎的标准气压值的接口。
8. 如权利要求 5所述的轮胎压力监测系统， 其特征在于， 所述接收器根据 所接收到的第二轮胎信息进行轮胎标识信息的更新。
9. 如权利要求 1 所述的轮胎压力监测系统， 其特征在于， 该接收器还用以 接收该第一部件上的各轮胎的轮胎压力发射器所发送的第一轮胎信息，其中当所收 到的第一轮胎信息中包含的轮胎标识信息和保存于该接收器的轮胎标识信息一致 时， 该接收器将该第一轮胎信息作为本汽车第一部件的轮胎信息处理。
10. 如权利要求 9所述的轮胎压力监测系统， 其特征在于， 所述接收器包括： 读码单元， 用以读取该第一部件上的各轮胎的轮胎标识信息， 其中各轮胎 标识信息是保存于插入至该读码单元的 ID码信息存储器中；
标准气压设置电路， 用以提供设置第一部件上的各轮胎的标准气压值的接
P。
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EP2394827B1 (en) 2013-08-07
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ES2433578T3 (es) 2013-12-11
CN101791931B (zh) 2012-12-19
PL2394827T3 (pl) 2014-02-28
CA2750397C (en) 2016-12-20
CA2750397A1 (en) 2010-08-12
KR20120009426A (ko) 2012-01-31
US20100283594A1 (en) 2010-11-11
JP5512703B2 (ja) 2014-06-04
AU2009339210B2 (en) 2014-08-14
AU2009339210A1 (en) 2011-07-28
JP2012516801A (ja) 2012-07-26
KR101615690B1 (ko) 2016-04-26
EP2394827A1 (en) 2011-12-14
BRPI0924367B1 (pt) 2019-06-25

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