CN102963218A - Tyre pressure monitoring system based on bluetooth signal and monitoring method thereof - Google Patents

Tyre pressure monitoring system based on bluetooth signal and monitoring method thereof Download PDF

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CN102963218A
CN102963218A CN 201210527554 CN201210527554A CN102963218A CN 102963218 A CN102963218 A CN 102963218A CN 201210527554 CN201210527554 CN 201210527554 CN 201210527554 A CN201210527554 A CN 201210527554A CN 102963218 A CN102963218 A CN 102963218A
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module
bluetooth
signal
tire pressure
conditioning
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CN 201210527554
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伍宗仁
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伍宗仁
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Abstract

The invention discloses a tyre pressure monitoring system based on a bluetooth signal. The tyre pressure monitoring system comprises a tyre pressure monitor which is arranged on a tyre and is used for sending tyre pressure data and a receiving device used for receiving tyre pressure data so as to show, wherein the tyre pressure monitor comprises a pressure sensing module, a first conditioning module, a bluetooth module and a transmitting module, the pressure sensing module is used for collecting a tyre pressure signal, the first conditioning module is connected with the pressure sensing module and is used for conditioning and amplifying an air pressure signal, the bluetooth module is connected with the conditioning circuit and is used for processing the air amplified pressure signal after amplifying into a bluetooth signal embedded with an equipment ID code, and the transmitting module is connected with the bluetooth module and is used for transmitting a bluetooth signal. The invention also discloses a monitoring method of the tyre pressure monitoring system. The tyre pressure monitoring system provided by the invention has the advantages that the volume is small, the electricity is saved, the transmission distance is far, the transmission bandwidth is large, the anti-interference property is good, the antimultipath decadent capability is strong and the like, the stability and reliability of the tyre pressure monitor are greatly improved, meanwhile, the use is flexible, and multiple receiving devices are utilized to monitor the tyre pressure data.

Description

基于蓝牙信号的胎压监测系统及监测方法 Tire pressure monitoring system based on Bluetooth signals and monitoring methods

技术领域 FIELD

[0001] 本发明涉及机动车辆的胎压监测系统,尤其涉及一种利用蓝牙信号进行通讯的胎压监系统及监测方法。 [0001] The present invention relates to a tire pressure monitoring system for a motor vehicle, in particular, it relates to a tire pressure monitoring system and a monitoring method of communication using Bluetooth signals.

背景技术[0002]目前,各种车辆,尤其是轿车,一般安装有轮胎压力监测系统(TPMS),以了解车辆的轮胎气压的变化特性,为车辆安全监控提供依据,车主据此调整胎压和控制车速。 [0002] Currently, various types of vehicles, especially cars, usually fitted with a tire pressure monitoring system (TPMS), in order to understand the changes in the characteristics of the vehicle tire pressure, provide the basis for vehicle safety monitoring tire pressure and adjust accordingly owners control the speed. 监测系统工作的长期稳定性和可靠性,是最重要的指标。 Long-term stability and reliability of the monitoring system works, is the most important indicator. 现有轮胎压力监测系统(TPMS)都使用433兆、868兆及915兆低频窄带通信技术。 Conventional tire pressure monitoring system (TPMS) uses 433 MB, 868 MB and 915 MB low narrowband communication technology. 433兆是数据传输领域的老产品,用来做数据传输存在巨大隐患:433兆、868兆及915兆系统通信技术落后,系统通信技术采用落后的窄带调幅技术,一般在5-25Khz ;它采用单频点工作,不能有效抵抗因遮挡而产生的多径效应,造成通信不可靠,系统不稳定;频道非常拥挤,环境干扰特别大。 433 megabytes of data transfer in the field of old products, used for data transmission there is a huge risk: 433 MB, 868 MB and 915 MB system communication, backward technology, communications technology systems using narrow-band AM backward technology, generally 5-25Khz; it uses working single frequency, can not effectively resist the effects of multipath generated by occlusion, resulting in unreliable communication, system instability; channel is congested, particularly environmental interference. 对讲机,车载通信设备,业余通信设备等,都集中在这里,因而环境干扰非常大;频点飘移问题严重,不严密的试验发现不了,短期使用可能看不出,长期使用必然显现;另外功耗大,发射机和天线体积庞大,大量使用会给人员健康带来影响。 Walkie-talkie, automotive communications equipment, amateur and telecommunications equipment are concentrated here, so the environment interference is very large; frequency drift problem is serious, imprecise test can not be found, short-term use may not see long-term use will be revealed; additional power large, transmitters and antennas are bulky, heavy use will affect human health. 轮胎压力监测系统的无线发射机和无线接收机的工作频点,都必须落在这个很窄的频率范围内,才能实现彼此间的通信,否则它们彼此之间就不能相互通信。 Wireless tire pressure monitoring system of the transmitter working frequency and the radio receiver, all of this must be within a very narrow frequency range, in order to realize the communication between each other, or can not communicate with each other to each other. 由于发射机和接收机电路中的晶振的震荡频率,受温度影响较大,容易产生温漂,且随时间推移会因老化而产生误差,这些都会引起工作频点漂移,使得发射机和接收机的工作频点不能落在这个很窄的工作频带上,从而造成系统不稳定,甚至完全不能通信。 Since the oscillation frequency of the crystal in the transmitter and receiver circuits, affected by temperature, prone to drift, over time and due to aging errors, which will cause the working frequency drift, so that the transmitter and receiver the working frequency can not fall on the narrow operating band, resulting in system instability, or even can not communicate. 为了解决温漂的问题,现有的做法是增加一个恒温装置(恒温槽)来减小晶振受温度的影响,但这势必增大成本。 To solve the problem of the drift, the conventional practice is to add a thermostat (thermostatic chamber) to reduce the influence of temperature of the crystal, but the cost is increased inevitably. 故此,开发一种长期稳定、可靠性高、且性价比高的胎压监测系统是业内亟需解决的技术问题。 Therefore, to develop a long-term stability, high reliability, and cost-effective tire pressure monitoring system is the industry's urgent need to resolve technical problems.

发明内容 SUMMARY

[0003] 本发明是要解决上述技术问题,提出一种利用蓝牙信号进行通讯的胎压监测系统及监测方法。 [0003] The present invention is to solve the above problems, to provide a communication system for monitoring tire pressure monitoring method and Bluetooth signals.

[0004] 为解决上述技术问题,本发明提出的技术方案是设计一种基于蓝牙信号的胎压监测系统,其包括装在轮胎上的发送胎压数据的胎压监测器、接收胎压数据并给予显示的接收装置,所述胎压监测器包括:压力传感模块,用以采集轮胎气压信号;第一调理模块,连接压力传感模块,用以将气压信号调理放大;蓝牙模块,连接调理电路,用以将放大后的气压信号处理成嵌入设备ID码的蓝牙信号;发射模块,连接蓝牙模块,用以发射蓝牙信号;所述接收装置包括:接收模块,用以接收蓝牙信号;蓝牙编译模块,连接接收模块,用以将蓝牙信号解读编译成数字信号;显示模块,连接蓝牙编译模块,用以显示数字信号;存储器,用以存储控制程序;控制模块,分别连接控制接收模块、蓝牙编译模块、显示模块和存储器,调用存储器中的控制程序对诸模块实 [0004] To solve the above technical problem, the technical solutions proposed by the invention is to design a tire pressure monitoring system based on Bluetooth signals, which comprises a tire pressure monitor transmits tire mounted on the tire pressure data, tire pressure data is received and to give the receiving apparatus displays the tire pressure monitoring device comprising: pressure sensing module, for collecting the tire pressure signal; a first conditioning module, connected to the pressure sensing module for amplifying the pressure signal conditioning; Bluetooth module, connected to conditioning circuit for converting the amplified pressure signal to a Bluetooth signal processing device embedded in the ID code; a transmission module connected to a Bluetooth module for transmitting Bluetooth signals; said receiving means comprises: a receiving module for receiving a Bluetooth signal; Bluetooth compiled module, a receiving module connected to the Bluetooth signal interpret compiled into a digital signal; a display module, a Bluetooth connection translation module, for displaying a digital signal; a memory for storing a control program; a control module, are connected to a control receiving module, Bluetooth compiled module, display module and a memory, the memory control program calls the modules of the real 控制。 Control.

[0005] 所述胎压监测器还包括:温度传感模块,用以采集轮胎温度信号;第二调理模块,连接温度传感模块和蓝牙模块,用以将温度信号调理放大成温度模拟信号;蓝牙模块将温度模拟信号处理成蓝牙信号。 [0005] The tire pressure monitor further comprising: a temperature sensing module for collecting tire temperature signal; a second conditioning module connected to the temperature sensing module and a Bluetooth module for conditioning amplified temperature signal into an analog temperature signal; the Bluetooth module analog temperature signal into a Bluetooth signal.

[0006] 所述压力传感模块和温度传感模块采用同一个芯片。 The [0006] temperature sensing and pressure sensing module using a single chip module.

[0007] 所述第一调理模块和第二调理模块采用同一个芯片。 [0007] The first and second conditioning modules conditioning modules use the same chip.

[0008] 所述蓝牙信号的频率为2. 4至2. 48GHz。 [0008] The Bluetooth signal frequency is 2.4 to 2. 48GHz.

[0009] 所述接收装置是具有蓝牙信号接收装置的智能手机、车载导航、车载DVD、平板电脑中的一种。 [0009] The receiving device is a smart phone with a Bluetooth signal receiving apparatus, an in-vehicle navigation, car DVD, a tablet.

[0010] 本发明还提出了一种基于蓝牙信号的胎压监测系统的监测方法,包括胎压监测器的监测方法和接收装置的实现方法,其中监测方法包括以下步骤: [0010] The present invention further provides a method of monitoring tire pressure monitoring system based on Bluetooth signals, and a monitoring method implemented method comprising receiving a tire pressure monitor apparatus, wherein the monitoring method comprising the steps of:

a、用压力传感模块采集轮胎气压信号; a, collecting tire pressure signal of the pressure sensing module;

b、用第一调理模块将气压信号调理放大; b, with a first pressure signal conditioning module conditioning the amplified;

C、用蓝牙模块将放大后的气压信号处理成嵌入设备ID码的蓝牙信号; C, the amplified pressure signal to a Bluetooth signal processing device embedded with a Bluetooth module ID code;

d、用发射模块发射出所述蓝牙信号; d, transmitting a signal of the Bluetooth transmitter module;

接收装置的实现方法包括以下步骤: Receiving device-implemented method comprising the steps of:

e、用接收模块接收所述嵌入设备ID码的蓝牙信号; e, with the receiving module receives the Bluetooth embedded device ID code signal;

f、控制模块调用存储器中的控制程序,控制蓝牙编译模块扫描蓝牙信号中的ID码,并进行设备配对,解读配对好的蓝牙信号,将之编译为数字信号; F, call control program memory module, a control signal to scan for Bluetooth Bluetooth translation module ID code, and device pairing, the pairing good interpretation of Bluetooth signals, compile it into a digital signal;

g、控制模块保存并建立与配对设备的连接; g, the control module stores and establish a connection to the paired device;

h、控制模块控制显示模块显示数字信号。 h, the control module controls the display module to display a digital signal.

[0011] 与现有技术相比,本发明采用了全球通用的2. 4GHz频段蓝牙宽带扩频技术,其带宽是现有433兆、868兆及915兆窄带通信系统地几百倍,具有体积小巧、省电、传输距离远、传输带宽较大、自适应跳频,抗串扰和抗干扰性能好、抗多径衰落能力强等优点,极大地提高了胎压监测器的稳定性和可靠性。 [0011] Compared with the prior art, the present invention uses a globally 2. 4GHz band wideband spreading Bluetooth technology, bandwidth is a conventional 433 MB, 868 MB and 915 MB to hundreds of times narrowband communication system, having a volume small, power, transmission distance, the transmission bandwidth is large, good adaptive frequency hopping, anti-jamming performance and crosstalk, anti-multipath fading capability and other advantages, greatly improved the stability and reliability of the tire pressure monitoring device . 同时使用灵活,可以使用多种接收装置监测胎压数据。 At the same time flexible, a variety of data receiving device for monitoring the tire pressure.

附图说明 BRIEF DESCRIPTION

[0012] 下面结合附图和实施例对本发明作出详细的说明,其中: The drawings and described in detail to embodiments of the present invention [0012] The following binding, wherein:

图I为本发明胎压监测器的原理框图; Figure I a schematic block diagram of the present invention, a tire pressure monitor;

图2为本发明胎压监测器的电路图; Tire pressure monitor circuit diagram of FIG. 2 of the present invention;

图3为本发明方法流程图。 3 is a flowchart of a method invention.

具体实施方式 Detailed ways

[0013] 本发明揭示了一种基于蓝牙信号的胎压监测系统,它是以无损检测技术为基础,实时采集胎压信号,通过带有全球通用的2. 4GHz频段蓝牙传输装置将胎压信号发送到不同的设备上。 [0013] The present invention discloses a tire pressure monitoring system based on Bluetooth signals, which is based on non-destructive testing technology, real-time acquisition tire pressure signals, 2. 4GHz frequency band via a Bluetooth transmission device with universal tire pressure signal sent to different devices. 所说的不同的设备可以是带蓝牙的智能手机、车载导航、车载DVD、平板电脑以及其它的一些手持终端产品。 He said different device may be a smartphone with Bluetooth, car navigation, car DVD, tablet PCs and some other handheld devices.

[0014] 胎压监测系统包括装在轮胎上的发送胎压数据的胎压监测器、接收胎压数据并给予显示的接收装置。 [0014] The tire pressure monitoring system includes a tire pressure monitor transmits tire mounted on the tire pressure data, tire pressure data is received and given to the received display apparatus. 参看图1,胎压监测器包括:依次串联的压力传感模块、第一调理模块、蓝牙模块、发射模块。 Referring to Figure 1, tire pressure monitor comprising: a pressure sensing module in series, a first conditioning module, a Bluetooth module, a transmission module. 其中压力传感模块与轮胎内的空气相连,用以采集轮胎气压信号;气压信号为微弱的电压模拟信号,其幅值与胎压气压成正比,第一调理模块将其调理放大;蓝牙模块将放大后的气压信号处理成蓝牙信号,并在蓝牙信号中嵌入设备的ID码,以便蓝牙信号接收设备的识别;发射模块,连接蓝牙模块,用以发射蓝牙信号。 Wherein the pressure sensing module is connected to the air in the tire, the tire pressure signal for harvesting; weak pressure signal is an analog voltage signal which is proportional to the air pressure and pressure amplitude, the first amplifying conditioning modules which conditioning; Bluetooth module the amplified pressure signal to a Bluetooth signal processing, and embedded in the ID code signal in the Bluetooth device in order to identify the Bluetooth signal receiving apparatus; transmitting module, a Bluetooth connection module for transmitting Bluetooth signals. 蓝牙信号的频率为2. 4 至2. 48GHz ο Bluetooth signal frequency is 2.4 to 2. 48GHz ο

[0015] 接收装置至少包括:接收模块,用以接收蓝牙信号;蓝牙编译模块,连接接收模块,用以将蓝牙信号解读编译成数字信号;显示模块,连接蓝牙编译模块,用以显示数字信号;存储器,用以存储控制程序;控制模块,分别连接控制接收模块、蓝牙编译模块、显示模块和存储器,调用存储器中的控制程序对诸模块实施控制。 [0015] The receiving apparatus comprising at least: a receiving module for receiving a Bluetooth signal; compiling Bluetooth module, a receiving module connected to the Bluetooth signal interpret compiled into a digital signal; a display module, a Bluetooth connection translation module, for displaying a digital signal; a memory for storing a control program; a control module, are connected to a control receiving module, Bluetooth compilation module, display module and a memory, calling the control program memory of the control over the modules.

[0016] 图I示出的是较佳实施例,在该例中胎压监测器还包括串联的温度传感模块和第二调理模块。 [0016] Figure I shows a preferred embodiment, the tire pressure monitor further embodiment includes a series of temperature-sensing module and a second conditioning module. 温度传感模块采集轮胎温度信号,并将温度信号传输给第二调理模块,第二调理模块将温度信号调理放大成温度模拟信号,继而将该温度模拟信号传输给蓝牙模块,蓝牙模块将温度模拟信号处理成蓝牙信号。 Temperature sensing module collects the tire temperature signal and the temperature signal to a second conditioning modules, a second temperature signal conditioning module temperature conditioning amplified into an analog signal, then the analog temperature signal to a Bluetooth module, a Bluetooth module analog temperature signals into Bluetooth signals. 此蓝牙信号包括三部分信息:设备ID码信息、气压信息、温度信息。 The Bluetooth signal includes three pieces of information: the device ID code information, pressure information, temperature information.

[0017] 图2示出了较佳实施例的电路图,温度传感模块是热敏电阻RR1,它可感知轮胎的温度;压力传感模块是U6 (SM54200),其上有一小孔与轮胎内的空气相连,以感知轮胎内的气压;第一调理模块和第二调理模块采用同一个芯片U5,其内部有多个运算放大器:U5A、U5B、U5C、U5D、U5E,其中U5A、U5B、U5C用以放大压力信号,U®用以调理温度信号;蓝牙模块是Ul (CSR1000-A3),其第12管脚输入温度模拟信号,第13管脚输入压力模拟信号,第7管脚输出蓝牙信号。 [0017] FIG. 2 shows a circuit diagram of a preferred embodiment, the sensor is a thermistor temperature RR1, it senses the temperature of the tire; pressure sensing module U6 (SM54200), on which the tire within an aperture air is connected to sense the air pressure in the tire; a first and second conditioning modules conditioning module using a single chip U5, inside a plurality of operational amplifiers: U5A, U5B, U5C, U5D, U5E, wherein U5A, U5B, U5C for amplifying the pressure signal, U® for conditioning the temperature signal; Bluetooth module is Ul (CSR1000-A3), which input pin 12 of an analog temperature signal, the second analog pressure signal input pins 13, output pin 7 of Bluetooth signals . Fl和ANTl是发射模块,蓝牙信号经过Fl滤波后由天线ANTl发射出去。 ANTl and Fl is a transmitting module, a Bluetooth transmit signal after filtered out by the antenna Fl ANTl.

[0018]为减少设备体积较低成本,在其它实施例中压力传感模块和温度传感模块采用同一个芯片。 [0018] In order to reduce the volume of low equipment cost, in other embodiments, the pressure sensing module and the temperature sensing module uses the same chip.

[0019] 本发明还公开了一种基于蓝牙信号的胎压监测系统的监测方法,包括胎压监测器的监测方法和接收装置的实现方法,图3示出了本发明方法流程图,其包括以下步骤: [0019] The present invention also discloses a method of monitoring tire pressure monitoring system based on Bluetooth signals, and a monitoring method implemented method comprising receiving device tire pressure monitor, FIG. 3 shows a flowchart of a method of the present invention, which comprises the following steps:

a、用压力传感模块采集轮胎气压信号; a, collecting tire pressure signal of the pressure sensing module;

b、用第一调理模块将气压信号调理放大; b, with a first pressure signal conditioning module conditioning the amplified;

C、用蓝牙模块将放大后的气压信号处理成嵌入设备ID码的蓝牙信号; C, the amplified pressure signal to a Bluetooth signal processing device embedded with a Bluetooth module ID code;

d、用发射模块发射出所述蓝牙信号; d, transmitting a signal of the Bluetooth transmitter module;

接收装置的实现方法包括以下步骤: Receiving device-implemented method comprising the steps of:

e、用接收模块接收所述嵌入设备ID码的蓝牙信号; e, with the receiving module receives the Bluetooth embedded device ID code signal;

f、控制模块调用存储器中的控制程序,控制蓝牙编译模块扫描蓝牙信号中的ID码,并进行设备配对,解读配对好的蓝牙信号,将之编译为数字信号; F, call control program memory module, a control signal to scan for Bluetooth Bluetooth translation module ID code, and device pairing, the pairing good interpretation of Bluetooth signals, compile it into a digital signal;

g、控制模块保存并建立与配对设备的连接; g, the control module stores and establish a connection to the paired device;

h、控制模块控制显示模块显示数字信号。 h, the control module controls the display module to display a digital signal.

[0020] 所述接收装置是可以是不同厂商的具有蓝牙信号接收装置的智能手机、车载导航、车载DVD、平板电脑中的一种。 [0020] The receiving means is different manufacturers may be a smart phone having a Bluetooth signal receiving device, car navigation, car DVD, a tablet. 不同厂商在存储器中安装相应的胎压监测系统应用软件(TPMS应用层软件)。 Different manufacturers install the appropriate software application tire pressure monitoring system (TPMS application layer software) in the memory. 接收装置运行TPMS软件,通过扫描胎压监测器,确认发现胎压监测器,收到并解读待配对胎压监测器发送过来的数据,接收装置与胎压监测器建立并保存连接。 TPMS software operation receiving means, connected by a scanning monitor tire pressure, tire pressure monitor found to confirm receipt and interpretation of data to be transmitted over the mating tire pressure monitor, the tire pressure monitor receiving means to establish and save. 传统的TPMS系统的胎压监测器必须要配对自家生产的主机显示器才能读取轮胎数据并显示出来。 TPMS conventional tire pressure monitoring system must be paired own production host display to read tire data and displayed. 本发明全球通用的2. 4GHz频段蓝牙胎压技术,无需配对自家生产主机,全世界带蓝牙的智能手机、车载导航、车载DVD、平板电脑等不同厂商的电子产品,只需下载运行本公司的TPMS应用软件,都能与本发明的胎压监测器建立通讯相互传送数据并将胎压信息显示在不同厂商的设备上,使用非常灵活,极大方便了用户。 Globally present invention tire pressure 2. 4GHz band Bluetooth technology without pairing own production host, worldwide smartphone with Bluetooth, car navigation, car DVD, tablet PCs and other electronic products from different vendors, simply download and run this company. TPMS application software, can establish tire pressure monitor of the present invention to transmit data to each other and communicate tire pressure information is displayed on devices from different manufacturers, very flexible to use, greatly facilitate the users.

[0021]以上实施例仅为举例说明,非起限制作用。 [0021] The above is merely illustrative embodiment, the non-limiting. 任何未脱离本申请精神与范畴,而对其进行的等效修改或变更,均应包含于本申请的权利要求范围之中。 Within the scope of any claim without departing from the spirit and scope of the present application, and its equivalent modifications or variations could be made in the present application.

Claims (7)

1. 一种基于蓝牙信号的胎压监测系统,其包括装在轮胎上的发送胎压数据的胎压监测器、接收胎压数据并给予显示的接收装置,其特征在于,所述胎压监测器包括: 压力传感模块,用以采集轮胎气压信号; 第一调理模块,连接压力传感模块,用以将气压信号调理放大; 蓝牙模块,连接调理电路,用以将放大后的气压信号处理成嵌入设备ID码的蓝牙信号; 发射模块,连接蓝牙模块,用以发射蓝牙信号; 所述接收装置包括: 接收模块,用以接收蓝牙信号; 蓝牙编译模块,连接接收模块,用以将蓝牙信号解读编译成数字信号; 显示模块,连接蓝牙编译模块,用以显示数字信号; 存储器,用以存储控制程序; 控制模块,分别连接控制接收模块、蓝牙编译模块、显示模块和存储器,调用存储器中的控制程序对诸模块实施控制。 A tire pressure monitoring system based on Bluetooth signals, which comprises a tire pressure monitor transmits tire mounted on the tire pressure data, tire pressure data is received and given to the received display apparatus, wherein said tire pressure monitoring comprising: a pressure sensing module, for collecting the tire pressure signal; a first conditioning module, connected to the pressure sensing module for amplifying the pressure signal conditioning; Bluetooth module, connected to the conditioning circuit for processing the pressure signal amplified the device ID code to be embedded Bluetooth signal; transmitting module, a Bluetooth connection module for transmitting Bluetooth signals; said receiving means comprises: a receiving module for receiving a Bluetooth signal; compiling Bluetooth module, a receiving module connected to the Bluetooth signal Interpretation compiled into a digital signal; a display module, a Bluetooth connection translation module, for displaying a digital signal; a memory for storing a control program; a control module, are connected to a control receiving module, Bluetooth compilation module, display module and a memory, the memory call a control procedure of the control of the modules.
2.如权利要求I所述的基于蓝牙信号的胎压监测系统,其特征在于,所述胎压监测器还包括: 温度传感模块,用以采集轮胎温度信号; 第二调理模块,连接温度传感模块和蓝牙模块,用以将温度信号调理放大成温度模拟信号;蓝牙模块将温度模拟信号处理成蓝牙信号。 2. I claim the tire pressure monitoring system based on Bluetooth signals, characterized in that the tire pressure monitor further comprising: a temperature sensing module for collecting tire temperature signal; a second conditioning module, connected to a temperature sensing module and Bluetooth module for conditioning amplified temperature signal into an analog temperature signal; Bluetooth module analog temperature signal into a Bluetooth signal.
3.如权利要求2所述的基于蓝牙信号的胎压监测系统,其特征在于,所述压力传感模块和温度传感模块采用同一个芯片。 3. The tire pressure monitoring system based on Bluetooth signals, wherein said 2, the temperature sensing and pressure sensing module using a single chip module as claimed in claim.
4.如权利要求2所述的基于蓝牙信号的胎压监测系统,其特征在于,所述第一调理模块和第二调理模块采用同一个芯片。 Tire pressure monitoring system based on Bluetooth signals, wherein said 2, the first and second conditioning modules use the same chip conditioning module as claimed in claim.
5.如权利要求I所述的基于蓝牙信号的胎压监测系统,其特征在于,所述蓝牙信号的频率为2. 4至2. 48GHz ο 5. I claim the tire pressure monitoring system based on Bluetooth signal, wherein the frequency of the Bluetooth signals is 2.4 to 2. 48GHz ο
6.如权利要求I所述的基于蓝牙信号的胎压监测系统,其特征在于,所述接收装置是具有蓝牙信号接收装置的智能手机、车载导航、车载DVD、平板电脑中的一种。 I claim 6. The tire pressure monitoring system based on Bluetooth signal, wherein said receiving device is a smart phone with a Bluetooth signal receiving apparatus, an in-vehicle navigation, car DVD, tablet claims.
7. 一种基于蓝牙信号的胎压监测系统的监测方法,其特征在于,包括胎压监测器的监测方法和接收装置的实现方法,其中监测方法包括以下步骤: 用压力传感模块采集轮胎气压信号; 用第一调理模块将气压信号调理放大; 用蓝牙模块将放大后的气压信号处理成嵌入设备ID码的蓝牙信号; 用发射模块发射出所述蓝牙信号; 接收装置的实现方法包括以下步骤: 用接收模块接收所述嵌入设备ID码的蓝牙信号; 控制模块调用存储器中的控制程序,控制蓝牙编译模块扫描蓝牙信号中的ID码,并进行设备配对,解读配对好的蓝牙信号,将之编译为数字信号; 控制模块保存并建立与配对设备的连接; 控制模块控制显示模块显示数字信号。 A method of monitoring tire pressure monitoring system based on Bluetooth signals, characterized in that the method comprises monitoring the implementation of the apparatus and the receiving tire pressure monitor, wherein the monitoring method comprising the steps of: collecting tire pressure with the pressure sensing module signal; a first pressure signal conditioning module conditioning the amplified; processing pressure signals amplified into a Bluetooth module embedded in a Bluetooth device ID code signal; Bluetooth signals emitted by the transmission module; receiving device implemented method comprising the steps of : receiving the Bluetooth signal receiving module fitted with a device ID code; call control program memory module, the control module compiler Bluetooth scanning Bluetooth signal ID code, and device pairing, the pairing good interpretation of Bluetooth signals, it will be compiled into a digital signal; a control module stores and establish a connection to the paired device; control module controls the display module to display a digital signal.
CN 201210527554 2012-12-10 2012-12-10 Tyre pressure monitoring system based on bluetooth signal and monitoring method thereof CN102963218A (en)

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