CN103818204A - Method and device for tire pressure monitoring - Google Patents

Method and device for tire pressure monitoring Download PDF

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Publication number
CN103818204A
CN103818204A CN201410082042.4A CN201410082042A CN103818204A CN 103818204 A CN103818204 A CN 103818204A CN 201410082042 A CN201410082042 A CN 201410082042A CN 103818204 A CN103818204 A CN 103818204A
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mode
tire pressure
acceleration
parking
transformer
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CN201410082042.4A
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Chinese (zh)
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罗永良
谷韬
杨文�
闫浩
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深圳市道通科技有限公司
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Priority to CN201410082042.4A priority Critical patent/CN103818204A/en
Publication of CN103818204A publication Critical patent/CN103818204A/en

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Abstract

The invention is applicable in the field of communications and provides a method and a device for tire pressure monitoring. The method comprises the following steps: tire pressure monitoring data is collected in a current state; the state model is switched according to the collected tire pressure monitoring data. According to the method and the device provided by the invention, the validity, reliability and accuracy of the tire pressure monitoring are guaranteed; simultaneously, the power dissipation is effectively reduced; the service life of a battery is prolonged.

Description

胎压监测的方法及装置技术领域 Tire pressure monitoring method and device Technical Field

[0001 ] 本发明属于通信领域,尤其涉及一种胎压监测的方法及装置。 [0001] The present invention belongs to the field of communications, particularly to a method and apparatus for monitoring tire pressure.

背景技术 Background technique

[0002] 胎压监测系统的主要功能是监控、显示及确认轮胎的工作状态,并对轮胎出现的异常状况(如超压、欠压、超温、气压突变等)及时报警,通过声光、数字显示当前的状况,以保障行车安全,防止爆胎,同时保证汽车轮胎长期处于合理使用状态。 [0002] The main function of the tire pressure monitoring system is to monitor, display and check the operating status of the tire, and an abnormal condition (e.g., over voltage, under voltage, over temperature, pressure, etc. mutations) appearing timely warning of the tire, through sound and light, figures show that the current situation in order to ensure traffic safety, to prevent puncture, while ensuring the long-term car tires at a reasonable use. 据统计,在中国高速公路上发生的交通事故有70%是由于爆胎引起的,而在美国这一比例高达80%,因此胎压监测系统正越来越受到人们的重视。 According to statistics, traffic accidents on expressways in China, 70% was due to a puncture caused in the United States this proportion up to 80%, so the tire pressure monitoring systems are more and more people's attention.

[0003]目前为了减小胎压感测装置的功耗,最常用的方式是减少数据的发送次数和延长数据的发送间隔,这就难免会增加数据漏报的机率,从而降低了监测预警的可靠性。 [0003] In order to reduce power consumption of the current tire pressure sensing device, the most common way is to reduce the number of transmissions of the data and the extension data transmission interval, which will inevitably increase the probability of false negative data, thereby reducing the monitoring and early warning of reliability.

发明内容 SUMMARY

[0004] 本发明实施例的目的在于提供一种胎压监测的方法及装置,旨在解决现有的胎压监测数据漏报的问题。 [0004] The object of the present invention is an embodiment of a method and apparatus to provide a tire pressure monitoring, to solve the problem of the conventional tire pressure monitoring data uncounted.

[0005] 本发明实施例是这样实现的,一种胎压监测的方法,所述方法包括如下步骤: [0005] Embodiments of the invention are achieved in a tire pressure monitoring, the method comprising the steps of:

[0006] 在当前状态模式下采集胎监数据; [0006] fetal monitoring data collected in the current state mode;

[0007] 根据所述采集的胎监数据切换状态模式。 [0007] The mode switching state of the collected data fetal monitoring.

[0008] 进一步地,所述采集胎监数据进一步为: [0008] Further, the fetal monitoring data collected for the further:

[0009] 通过设置于轮胎的压力传感器、温度传感器和/或加速度传感器采集胎监数据。 [0009] by a pressure sensor disposed in the tire, a temperature sensor and / or acceleration sensors collect data fetal monitoring.

[0010] 进一步地,所述状态模式为存储模式、泊车模式、行驶模式、暂停模式或变压模式。 [0010] Further, the mode status storage mode, the parking mode, the travel mode, pause mode transformer or mode.

[0011] 进一步地,所述根据所述采集的胎监数据切换状态模式包括: [0011] Further, according to the switching state of the fetal monitoring data acquisition mode comprises:

[0012] 当在存储模式下检测到轮胎压力大于预设的第一阈值Pl或者加速度大于预设的第二阈值al时,切换至泊车模式; [0012] when the detected tire pressure is greater than a first predetermined threshold Pl or an acceleration greater than a preset second threshold value al in storage mode, the mode is switched to the parking;

[0013]当在泊车模式或暂停模式下检测到行驶速度大于或等于第三阈值Vl或加速度大于或等于第四阈值a2时切换至行车模式; [0013] When the detected travel speed is greater than or equal to the third threshold value is greater than or equal to Vl or an acceleration drive mode is switched to the fourth threshold value a2 in the parking mode or pause mode;

[0014] 当在暂停模式下检测到压力和加速度均持续一预设的时间T8无变化时,则切换到泊车模式。 [0014] When the pause mode is detected in both pressure and acceleration continued unchanged for a predetermined time T8, switch to the parking mode.

[0015] 进一步地,所述方法还包括: [0015] Preferably, the method further comprising:

[0016] 所述变压模式包括泊车变压模式、暂停变压模式和行驶变压模式,当检测到泊车变压模式、暂停变压模式或行驶变压模式下胎压和加速度持续一预设时间T7无变化,则分别切换至泊车模式、行驶模式和暂停模式。 [0016] The mode transformer comprises a transformer parking mode, suspend mode and the transformer with transformer mode, when the detected pressure swing parking mode, suspend mode or a PSA mode transformer with a continuous tire pressure and acceleration no change in the preset time T7, respectively, is switched to the parking mode, the travel mode and pause mode.

[0017] 本发明还提出一种胎压监测的装置,所述装置包括: [0017] The invention also proposes a device for monitoring tire pressure, said apparatus comprising:

[0018] 采集模块,用于在当前状态模式下采集胎监数据; [0018] The acquisition module, for collecting data fetal monitoring mode in the current state;

[0019] 切换模块,用于根据所述采集的胎监数据切换状态模式。 [0019] The switching module for switching the state of fetal monitoring mode according to the collected data.

[0020] 进一步地,所述采集模块具体用于:[0021] 通过设置于轮胎的压力传感器、温度传感器和/或加速度传感器采集胎监数据。 [0020] Furthermore, the acquisition module is configured to: [0021] By providing a tire pressure sensor, a temperature sensor and / or acceleration sensors collect data fetal monitoring.

[0022] 进一步地,所述状态模式为存储模式、泊车模式、行驶模式、暂停模式或变压模式。 [0022] Further, the mode status storage mode, the parking mode, the travel mode, pause mode transformer or mode.

[0023] 进一步地,所述切换模块具体用于: [0023] Further, the switching module is configured to:

[0024] 当在存储模式下检测到轮胎压力大于预设的第一阈值Pl或者加速度大于预设的第二阈值al时,切换至泊车模式; [0024] when the detected tire pressure is greater than a first predetermined threshold Pl or an acceleration greater than a preset second threshold value al in storage mode, the mode is switched to the parking;

[0025]当在泊车模式或暂停模式下检测到行驶速度大于或等于第三阈值Vl或加速度大于或等于第四阈值a2时切换至行车模式; [0025] When the detected travel speed is greater than or equal to the third threshold value is greater than or equal to Vl or an acceleration drive mode is switched to the fourth threshold value a2 in the parking mode or pause mode;

[0026] 当在暂停模式下检测到压力和加速度均持续一预设的时间T8无变化时,则切换到泊车模式。 [0026] When the pause mode is detected in both pressure and acceleration continued unchanged for a predetermined time T8, switch to the parking mode.

[0027] 进一步地,所述装置还包括变压模块,用于当所述变压模式包括泊车变压模式、暂停变压模式和行驶变压模式,且检测到胎压和加速度持续一预设时间T7无变化,则分别切换至泊车模式、行驶模式和暂停模式。 [0027] Further, the apparatus further comprises a transformer module, configured to, when said mode transformer comprises a transformer parking mode, suspend mode and the transformer with transformer mode, and detects the tire pressure and acceleration of a pre-sustained provided no change time T7, respectively, is switched to the parking mode, the travel mode and pause mode.

[0028] 本发明实施例根据轮胎内部压力、温度和加速度的变化将胎压监测划分成多种状态模式,在不同的状态模式下采用不同的数据采集和发送方案,在保证胎压监测的有效性、可靠性和准确性的同时,可有效地降低功耗,延长电池的使用寿命。 [0028] Effective embodiments of the invention according to the internal tire pressure, temperature and changes in the tire pressure monitoring acceleration state into a plurality of modes, with different data acquisition and transmission program modes in different states, to ensure tire pressure monitoring , while the reliability and accuracy, which can effectively reduce power consumption and extend battery life.

附图说明 BRIEF DESCRIPTION

[0029] 图1是本发明实施例一提供的胎压监测的方法的流程图; [0029] FIG. 1 is a flowchart of a method of providing a tire pressure monitoring according to the embodiment of the present invention;

[0030] 图2是本发明实施例一提供的胎压监测的方法的状态模式的切换图; [0030] FIG. 2 is a view showing a state switching mode of the tire pressure monitoring method according to a first embodiment of the present invention;

[0031] 图3是本发明实施例二提供的胎压监测的装置的结构图。 [0031] FIG. 3 is a block diagram of the tire pressure monitoring device according to a second embodiment of the present invention.

具体实施方式 Detailed ways

[0032] 为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。 [0032] To make the objectives, technical solutions and advantages of the present invention will become more apparent hereinafter in conjunction with the accompanying drawings and embodiments of the present invention will be further described in detail. 应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。 It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention.

[0033] 实施例一 [0033] Example a

[0034] 本发明实施例一提出一种胎压监测的方法。 Example [0034] The present invention proposes a method of monitoring tire pressure. 如图1所示,本发明实施例一的方法包括如下步骤: The method shown in Figure 1, one embodiment of the present invention embodiment comprises the steps of:

[0035] S1、在当前状态模式下采集胎监数据。 [0035] S1, fetal monitoring data collected in the current state mode. 本发明实施例一可通过MCU采集胎监数据,将压力传感器、温度传感器和加速度传感器设置在轮胎上,采集轮胎上的胎压、温度和加速度并反馈给MCU。 Embodiments of the invention may be a fetal monitoring data collected by the MCU, the pressure sensor, an acceleration sensor and a temperature sensor disposed in the tire, tire pressure collecting, and acceleration in the tire temperature and fed to the MCU. MCU控制上述胎监数据的采集、处理及发送等。 MCU controls the acquisition, processing and transmitting data such as fetal monitoring, and the like.

[0036] S2、根据采集的胎监数据切换状态模式。 [0036] S2, fetal monitoring mode according to the switching state of data collection.

[0037] 本发明实施例一根据胎压、温度和加速度的不同预先划分如下各种状态模式,在不同状态模式下,采用不同的数据采集和发送方式。 Example [0037] According to the present invention, a different division in advance tire pressure, temperature and acceleration mode, the various states are as follows, in a mode different states, different data collection and transmission mode. 如图2所示,根据步骤SI中采集到的相关胎监数据,决定是否继续使用当前的状态模式采集和发送数据,或者切换至其它的状态模式,根据其它状态模式采集和发送数据。 As shown in FIG 2, in accordance with step SI acquired data related to fetal monitoring, decide whether to continue using the current state and transmitting data collection mode, or to switch to another mode state, according to other data acquisition and transmission mode state.

[0038] 存储模式:表示胎压传感器尚未安装到轮胎上,该模式下应设置为最长时间间隔Tl (如200s)采集一次数据,无数据发送,功耗最低。 [0038] Storage Mode: indicates the tire pressure sensor is not installed on the tire, it should be set to the maximum time interval Tl (such as 200S) data collected once this mode, no data transmission, minimizing power dissipation.

[0039] 泊车模式:表示汽车处于停泊状态,此时无压力变化,加速度为零,该模式下较长时间间隔T2 (如120s)采集一次数据,无数据发送,功耗较低。 [0039] The parking mode: indicates the vehicle is parked state, then no change in pressure, acceleration is zero, in this mode a longer time interval T2 (such as 120s) data acquisition time, no data transmission, low power consumption. 当在存储模式下检测到轮胎压力大于某个预设的第一阈值Pl (如200KPa)或者加速度大于某个预设的第二阈值al (如5g)或者这两个参数的组合同时满足条件时,则切换到泊车模式。 When it is detected in the storage mode or the acceleration is greater than a preset second threshold value Al (eg 5g), or a combination of these two parameters is greater than a predetermined tire pressure threshold Pl is a first (eg 200KPa) satisfy the condition , is switched to the parking mode.

[0040] 行驶模式:表示汽车行驶速度已达到或超过某个特定的第三阈值Vl (如20km/h)或加速度达到或超过预设的第四阈值a2 (第二阈值al与第四阈值a2相同或不相同),已处于行驶状态。 [0040] The travel mode: indicates vehicle speed has reached or exceeded a certain third threshold Vl (such as 20km / h) or an acceleration reaches or exceeds a preset fourth threshold value a2 (the second threshold value and the fourth threshold value a2 al the same or different), is already in the running state. 该模式进一步包含启动模式(由泊车到稳定行驶的过度模式)和稳定行驶模式。 The model further comprises a start mode (from the parking mode to the steady running excessive) and the steady running mode. 其中,启动模式的数据采集时间间隔T3应比稳定行驶模式时的数据采集时间间隔T4要短(如启动模式设置为30s,稳定行驶模式设置为60s),在启动模式若持续一段时间压力变化不大于某个预设的第九阈值P3,且加速度不小于某个预设的第十阈值a4,则切换到稳定行驶模式。 Wherein the data starting mode acquisition time interval T3 should be taken than the data in the steady running mode time interval T4 is shorter (e.g., startup mode is set to 30s, the steady running mode is set to 60s), no change in the start mode when the period of time pressure a ninth greater than a preset threshold value P3, and the acceleration is not less than a predetermined tenth threshold a4, the traveling mode is switched to the stable. 在行驶模式下应保持每唤醒一次发送一次数据。 Should remain in the driving mode wakes up every last data transmission. 在泊车模式或暂停模式下检测到行驶速度已达到或超过第三阈值Vl (如20km/h)或加速度达到或超过第四阈值a2时切换至该模式。 Detecting the traveling speed has reached or exceeded a third threshold Vl (such as 20km / h) or an acceleration reaches or exceeds the fourth threshold value a2 mode is switched to the parking mode or the suspend mode.

[0041] 暂停模式:表示汽车暂时性停了下来,该模式下较短时间间隔T5 (如60s)采集一次数据,在暂停模式下应保持每唤醒一次发一次数据。 [0041] Pause mode: indicates car stopped temporarily, short time interval T5 data collected once (such as 60s) In this mode, the wake-up time should be held every time data is sent in the pause mode. 当在行驶模式下检测到行驶速度小于某个预设的第七阈值v2 (如10km/h)或者加速度小于预设的第八阈值a3 (如3.5g),则切换到暂停模式。 When it is detected in the driving mode with a preset speed is less than a seventh threshold value V2 (such as 10km / h) or less than a predetermined acceleration threshold VIII A3 (such as 3.5g), then switched to the pause mode. 在暂停模式下,当检测到压力和加速度均持续一段较长的时间T8 (如15min)无变化或只有微小变化,则切换到泊车模式。 In the suspend mode, when detecting both pressure and acceleration for an extended period of time T8 (such as 15min) no change or only small changes, the switching to the parking mode.

[0042] 变压模式:表示汽车胎压在某个模式下的一段时间之内的压力变化达到了某个限定的第五阈值P2,该模式具体说来应包含泊车变压模式、暂停变压模式以及行驶变压模式等。 [0042] PSA mode: tire pressure represents the pressure change over a period of time in a pattern reaches a fifth threshold value defined by P2, the pattern should contain specifically swing parking mode, becomes suspended pressure swing mode and the travel mode. 在变压模式下,为了更加实时的监测胎压信息,测试应将采集数据的时间间隔T6设置的较短(如设置为10s),尤其是行驶变压模式应更短(如设置为5s)。 In a pressure swing mode, for more real-time monitoring of tire pressure information, the data acquisition time of the test should be set shorter interval T6 (e.g., set to 10s), in particular with a pressure swing mode to be shorter (e.g., set to 5s) . 在变压模式下应保持每唤醒一次发一次数据。 In the wake transformer mode should be maintained every time data is sent again. 当在泊车模式、行驶模式或者暂停模式下检测到压力变化值大于某个预设的第六阈值P3 (如15KPa),则分别切换至泊车变压模式、行驶变压模式或暂停变压模式。 When the detected pressure change is greater than a preset sixth threshold value P3 (such as 15 KPa) in the parking mode, the running mode or the pause mode, respectively, to the parking switch mode transformer, the transformer with transformer or pause mode mode. 同样,在泊车变压模式、行驶变压模式或暂停变压模式下,当检测到胎压和加速度持续一段时间T7无变化或微小变化,则切换至泊车模式、行驶模式或者暂停模式。 Also, the transformer in a parking mode, suspend mode or swing drive mode transformer, when detecting tire pressure and acceleration for a period of time T7 no change or a small change, switching to the parking mode, the running mode or the suspend mode.

[0043] 本发明实施例一采用多种状态模式划分的方法,保证胎压监测的有效性、可靠性和准确性的同时,有效地降低功耗,延长电池的使用寿命。 [0043] Embodiments of the invention the service life of a method of the plurality of divided state model, the tire pressure monitoring to ensure the effectiveness, reliability and accuracy while effectively reduce power consumption and extend battery.

[0044] 实施例二 [0044] Second Embodiment

[0045] 本发明实施例二提出一种胎压监测的装置。 Embodiment [0045] The present invention proposes a device according to a second tire pressure monitoring. 如图3所示,本发明实施例二的装置包括采集模块10和切换模块20,其中, 3, the apparatus according to the second embodiment of the present invention comprises an acquisition module 10 and the switching module 20, wherein,

[0046] 采集模块10用于在当前状态模式下采集胎监数据。 [0046] The acquisition module 10 for acquiring data such as fetal monitoring mode in the current state. 本发明实施例二的采集模块10可为MCU,将压力传感器、温度传感器和加速度传感器设置在轮胎上,采集模块10通过上述传感器采集轮胎上的胎压、温度和加速度并控制上述胎监数据处理及发送等。 Example II acquisition module 10 embodiment of the present invention may be a MCU, the pressure sensor, an acceleration sensor and a temperature sensor disposed in the tire, tire pressure acquisition module 10 collected on the tire, and acceleration by the temperature sensor and controls the above-described data processing fetal monitoring and send and so on.

[0047] 切换模块20用于根据采集的胎监数据切换状态模式。 [0047] The switching module 20 for switching the state according to the mode of data acquisition fetal monitoring. 本发明实施例二根据胎压、温度和加速度的不同预先划分如下各种状态模式,在不同状态模式下,采用不同的数据采集和发送方式。 According to the present invention, two embodiments of tire pressure, temperature and acceleration of the various states the following different modes is divided in advance, in different states mode, different data collection and transmission mode. 如图2所示,切换模块20根据采集模块10采集到的相关胎监数据,决定是否继续使用当前的状态模式采集和发送数据,或者切换至其它的状态模式,根据其它状态模式采集和发送数据。 2, the switch module 20 according to the acquisition module 10 to collect data related to fetal monitoring, decide whether to continue using the current state and transmitting data collection mode, or to switch to another mode state, according to other data acquisition and transmission mode status .

[0048] 存储模式:表示胎压传感器尚未安装到轮胎上,该模式下应设置为最长时间间隔Tl (如200s)采集一次数据,无数据发送,功耗最低。 [0048] Storage Mode: indicates the tire pressure sensor is not installed on the tire, it should be set to the maximum time interval Tl (such as 200S) data collected once this mode, no data transmission, minimizing power dissipation.

[0049] 泊车模式:表示汽车处于停泊状态,此时无压力变化,加速度为零,该模式下较长时间间隔T2 (如120s)采集一次数据,无数据发送,功耗较低。 [0049] The parking mode: indicates the vehicle is parked state, then no change in pressure, acceleration is zero, in this mode a longer time interval T2 (such as 120s) data acquisition time, no data transmission, low power consumption. 当在存储模式下检测到轮胎压力大于某个预设的第一阈值Pl (如200KPa)或者加速度大于某个预设的第二阈值al (如5g)或者这两个参数的组合满足条件时,则切换到泊车模式。 When it is detected in the storage mode or the acceleration is greater than a preset second threshold value Al (eg 5g), or a combination of these two parameters satisfy the condition of the tire pressure is greater than a preset first threshold value Pl is (eg 200KPa), the it is switched to the parking mode.

[0050] 行驶模式:表示汽车行驶速度已达到或超过某个特定的第三阈值Vl (如20km/h)或加速度达到或超过预设的第四阈值a2 (第二阈值al与第四阈值a2相同或不相同),已处于行驶状态。 [0050] The travel mode: indicates vehicle speed has reached or exceeded a certain third threshold Vl (such as 20km / h) or an acceleration reaches or exceeds a preset fourth threshold value a2 (the second threshold value and the fourth threshold value a2 al the same or different), is already in the running state. 该模式进一步包含启动模式(由泊车到稳定行驶的过度模式)和稳定行驶模式。 The model further comprises a start mode (from the parking mode to the steady running excessive) and the steady running mode. 其中,启动模式的数据采集时间间隔T3应比稳定行驶模式时的数据采集时间间隔T4要短(如启动模式设置为30s,稳定行驶模式设置为60s),在启动模式若持续一段时间压力变化不大于某个预设的第九阈值P3,且加速度不小于某个预设的第十阈值a4,则切换到稳定行驶模式。 Wherein the data starting mode acquisition time interval T3 should be taken than the data in the steady running mode time interval T4 is shorter (e.g., startup mode is set to 30s, the steady running mode is set to 60s), no change in the start mode when the period of time pressure a ninth greater than a preset threshold value P3, and the acceleration is not less than a predetermined tenth threshold a4, the traveling mode is switched to the stable. 在行驶模式下应保持每唤醒一次发送一次数据。 Should remain in the driving mode wakes up every last data transmission. 在泊车模式或暂停模式下检测到行驶速度已达到或超过第三阈值Vl (如20km/h)或加速度达到或超过第四阈值a2时切换至该模式。 Detecting the traveling speed has reached or exceeded a third threshold Vl (such as 20km / h) or an acceleration reaches or exceeds the fourth threshold value a2 mode is switched to the parking mode or the suspend mode.

[0051] 暂停模式:表示汽车暂时性停了下来,该模式下较短时间间隔T5 (如60s)采集一次数据,在暂停模式下应保持每唤醒一次发一次数据。 [0051] Pause mode: indicates car stopped temporarily, short time interval T5 data collected once (such as 60s) In this mode, the wake-up time should be held every time data is sent in the pause mode. 当在行驶模式下检测到行驶速度小于某个预设的第七阈值v2 (如10km/h)或者加速度小于预设的第八阈值a3 (如3.5g),则切换到暂停模式。 When it is detected in the driving mode with a preset speed is less than a seventh threshold value V2 (such as 10km / h) or less than a predetermined acceleration threshold VIII A3 (such as 3.5g), then switched to the pause mode. 在暂停模式下,当检测到压力和加速度均持续一段较长的时间T8 (如15min)无变化或只有微小变化,则切换到泊车模式。 In the suspend mode, when detecting both pressure and acceleration for an extended period of time T8 (such as 15min) no change or only small changes, the switching to the parking mode.

[0052] 变压模式:表示汽车胎压在某个模式下的一段时间之内的压力变化达到了某个限定的第五阈值P2,该模式具体说来应包含泊车变压模式、暂停变压模式以及行驶变压模式等。 [0052] The swing mode: tire pressure represents the pressure change over a period of time in a pattern reaches a fifth threshold value defined by P2, the pattern should contain specifically swing parking mode, becomes suspended pressure swing mode and the travel mode. 在变压模式下,为了更加实时的监测胎压信息,测试应将采集数据的时间间隔T6设置的较短(如设置为10s),尤其是行驶变压模式应更短(如设置为5s)。 In a pressure swing mode, for more real-time monitoring of tire pressure information, the data acquisition time of the test should be set shorter interval T6 (e.g., set to 10s), in particular with a pressure swing mode to be shorter (e.g., set to 5s) . 在变压模式下应保持每唤醒一次发一次数据。 In the wake transformer mode should be maintained every time data is sent again. 当在泊车模式、行驶模式或者暂停模式下检测到压力变化值大于某个预设的第六阈值P3 (如15KPa),则分别切换至泊车变压模式、行驶变压模式或暂停变压模式。 When the detected pressure change is greater than a preset sixth threshold value P3 (such as 15 KPa) in the parking mode, the running mode or the pause mode, respectively, to the parking switch mode transformer, the transformer with transformer or pause mode mode. 同样,在泊车变压模式、行驶变压模式或暂停变压模式下,当检测到胎压和加速度持续一段时间T7无变化或微小变化,则切换至泊车模式、行驶模式或者暂停模式。 Also, the transformer in a parking mode, suspend mode or swing drive mode transformer, when detecting tire pressure and acceleration for a period of time T7 no change or a small change, switching to the parking mode, the running mode or the suspend mode.

[0053] 本发明实施例二的装置通过多种状态模式的划分,保证胎压监测的有效性、可靠性和准确性的同时,有效地降低功耗,延长电池的使用寿命。 Apparatus according to the second embodiment of the [0053] present invention, by dividing the plurality of the state model, the tire pressure monitoring to ensure the effectiveness, reliability and accuracy while effectively reduce power consumption and extend battery life.

[0054] 以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。 [0054] The foregoing is only preferred embodiments of the present invention but are not intended to limit the present invention, any modifications within the spirit and principle of the present invention, equivalent substitutions and improvements should be included in the present within the scope of the invention.

Claims (10)

1.一种胎压监测的方法,其特征在于,所述方法包括如下步骤: 在当前状态模式下采集胎监数据; 根据所述采集的胎监数据切换状态模式。 1. A method of monitoring tire pressure, characterized in that, said method comprising the steps of: collecting fetal monitoring data in the current mode state; fetal monitoring mode according to the switching state of the data collected.
2.如权利要求1所述的方法,其特征在于,所述采集胎监数据进一步为: 通过设置于轮胎的压力传感器、温度传感器和/或加速度传感器采集胎监数据。 2. The method according to claim 1, wherein said further data acquisition fetal monitoring are: monitoring data acquired by a tread disposed at the tire pressure sensor, a temperature sensor and / or an acceleration sensor.
3.如权利要求1所述的方法,其特征在于,所述状态模式为存储模式、泊车模式、行驶模式、暂停模式或变压模式。 The method according to claim 1, wherein said state model is a storage mode, the parking mode, the travel mode, pause mode transformer or mode.
4.如权利要求3所述的方法,其特征在于,所述根据所述采集的胎监数据切换状态模式包括: 当在存储模式下检测到轮胎压力大于预设的第一阈值Pl或者加速度大于预设的第二阈值al时,切换至泊车模式; 当在泊车模式或暂停模式下检测到行驶速度大于或等于第三阈值Vl或加速度大于或等于第四阈值a2时切换至行车模式; 当在暂停模式下检测到压力和加速度均持续一预设的时间T8无变化时,则切换到泊车模式。 4. The method according to claim 3, wherein the fetal monitoring data in accordance with the switching state acquisition mode comprises: when the detected tire pressure is greater than a first predetermined threshold Pl or acceleration is greater than the storage mode when the preset second threshold value al, switch to the parking mode; when the detected traveling speed is greater than or equal to the parking mode or the suspend mode or the third threshold value Vl acceleration equal to or greater than the fourth threshold value a2 is switched to the drive mode; when the pause mode is detected in both pressure and acceleration continued unchanged for a predetermined time T8, switch to the parking mode.
5.如权利要求3或4所述的方法,其特征在于,所述方法还包括: 所述变压模式包括泊车变压模式、暂停变压模式和行驶变压模式,当检测到泊车变压模式、暂停变压模式或行驶变压模式下胎压和加速度持续一预设时间T7无变化,则分别切换至泊车模式、行驶模式和暂停模式。 5. The method of claim 3 or claim 4, wherein said method further comprises: the mode transformer comprises a transformer parking mode, suspend mode and the transformer with transformer mode, when parking is detected tire pressure and acceleration of the continuous swing mode, suspend mode or swing drive mode transformer unchanged for a predetermined time T7, respectively, is switched to the parking mode, the travel mode and pause mode.
6.一种胎压监测的装置,其特征在于,所述装置包括: 采集模块,用于在当前状态模式下采集胎监数据; 切换模块,用于根据所述采集的胎监数据切换状态模式。 A tire pressure monitoring device, wherein, the apparatus comprising: collecting means for collecting fetal monitoring data in the current mode state; switching module for switching the state according to the collected data of fetal monitoring mode .
7.如权利要求6所述的装置,其特征在于,所述采集模块具体用于: 通过设置于轮胎的压力传感器、温度传感器和/或加速度传感器采集胎监数据。 7. The apparatus according to claim 6, characterized in that said acquisition module is specifically configured to: collect data by providing fetal monitoring tire pressure sensor, a temperature sensor and / or an acceleration sensor.
8.如权利要求6所述的装置,其特征在于,所述状态模式为存储模式、泊车模式、行驶模式、暂停模式或变压模式。 8. The apparatus according to claim 6, wherein said state model is a storage mode, the parking mode, the travel mode, pause mode transformer or mode.
9.如权利要求8所述的装置,其特征在于,所述切换模块具体用于: 当在存储模式下检测到轮胎压力大于预设的第一阈值Pl或者加速度大于预设的第二阈值al时,切换至泊车模式; 当在泊车模式或暂停模式下检测到行驶速度大于或等于第三阈值Vl或加速度大于或等于第四阈值a2时切换至行车模式; 当在暂停模式下检测到压力和加速度均持续一预设的时间T8无变化时,则切换到泊车模式。 9. The apparatus according to claim 8, characterized in that the switching module is configured to: when the detected tire pressure is greater than a first predetermined threshold Pl or acceleration is greater than a second predetermined threshold value in the storage mode al when switched to the parking mode; when the parking mode is detected in the pause mode or the running speed equal to or greater than the third threshold value is greater than or equal to Vl or acceleration threshold is switched to a fourth drive mode by a2; pause mode when it is detected in the when both pressure and acceleration continued unchanged for a predetermined time T8, switch to the parking mode.
10.如权利要求6至9中任一项所述的装置,其特征在于,所述装置还包括变压模块,用于当所述变压模式包括泊车变压模式、暂停变压模式和行驶变压模式,且检测到胎压和加速度持续一预设时间T7无变化,则分别切换至泊车模式、行驶模式和暂停模式。 10. The device as claimed in any of claims 6-9, characterized in that said apparatus further comprises a transformer module, configured to, when said mode transformer comprises a transformer parking mode, suspend mode and a pressure swing swing driving mode, and detects the tire pressure and acceleration of a predetermined time duration T7 unchanged, respectively switched to the parking mode, travel mode and pause mode.
CN201410082042.4A 2014-03-06 2014-03-06 Method and device for tire pressure monitoring CN103818204A (en)

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