WO2014005381A1 - 内置式轮胎压力监测报警器 - Google Patents

内置式轮胎压力监测报警器 Download PDF

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Publication number
WO2014005381A1
WO2014005381A1 PCT/CN2012/081944 CN2012081944W WO2014005381A1 WO 2014005381 A1 WO2014005381 A1 WO 2014005381A1 CN 2012081944 W CN2012081944 W CN 2012081944W WO 2014005381 A1 WO2014005381 A1 WO 2014005381A1
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WO
WIPO (PCT)
Prior art keywords
valve
core
reference chamber
valve core
reference cavity
Prior art date
Application number
PCT/CN2012/081944
Other languages
English (en)
French (fr)
Inventor
鲁红艳
Original Assignee
东莞市诺丽电子科技有限公司
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 东莞市诺丽电子科技有限公司 filed Critical 东莞市诺丽电子科技有限公司
Priority to CA 2878523 priority Critical patent/CA2878523A1/en
Priority to KR1020157003247A priority patent/KR101682089B1/ko
Priority to JP2015518779A priority patent/JP2015527238A/ja
Priority to RU2015103860/11A priority patent/RU2599318C2/ru
Priority to US14/412,465 priority patent/US9365083B2/en
Priority to EP12880706.2A priority patent/EP2871078A4/en
Publication of WO2014005381A1 publication Critical patent/WO2014005381A1/zh
Priority to IN879DEN2015 priority patent/IN2015DN00879A/en

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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
    • 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
    • B60C23/0491—Constructional details of means for attaching the control device
    • B60C23/0494—Valve stem attachments positioned inside the tyre chamber
    • 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
    • B60C23/041—Means for supplying power to the signal- transmitting means on the wheel
    • 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
    • B60C23/0491—Constructional details of means for attaching the control device
    • B60C23/0496—Valve stem attachments positioned outside of the tyre chamber
    • 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

Definitions

  • the present invention relates to a device for monitoring tire pressure and alarming when the tire pressure is too low; in particular, a device for monitoring and alarming tire pressure placed inside the tire.
  • the tire pressure monitoring and alarming device on the market the main book is in the form of an electronic sensor, and the electronic chip is used to sense the air pressure in the tire.
  • the electronic chip needs to be powered for 24 hours a day, and the power consumption is large.
  • the battery is easy to use and needs to be replaced frequently, which is inconvenient for the user. In particular, once the battery is exhausted and the user fails to replace it in time, the alarm device will not be able to alarm properly, posing a safety hazard.
  • the electronic chip has a requirement for the working environment, and in the case of a bad environment, it is prone to malfunction and cannot work normally.
  • the cost of electronic chips that sense air pressure is also high.
  • the present invention is directed to an internal tire pressure monitoring alarm that consumes less power, is safer and more reliable, can better adapt to harsh environments, and has lower cost.
  • the built-in tire pressure monitoring alarm device of the present invention comprises a housing and a valve stem communicating with the housing, and a valve core is mounted at an end of the valve stem, wherein: the housing has a reference cavity, an alarm signal transmitting module, and The wall of the reference cavity is an elastic metal diaphragm, and the negative contact point of the alarm signal transmitting module is electrically connected to the negative pole of the power source, and the positive contact point of the positive electrode is close to the elastic metal diaphragm of the reference cavity, and the elastic metal film of the reference cavity
  • the chip is electrically connected to the positive electrode of the battery; the reference cavity extends into the valve stem with an inlet pipe, and the inlet pipe is provided with a reference cavity valve that can seal and open the inlet pipe; the inner wall of the inlet pipe is provided with an inward boss, the reference cavity valve The valve
  • the built-in tire pressure monitoring alarm device of the invention is installed in the valve hole of the tire wheel hub.
  • the valve core in the valve stem is pressed, the core of the valve core or the top of the valve core
  • the rod can push the core rod of the reference chamber valve to move inside the reference chamber, so that the sealing ring clamped between the annular groove of the nut and the valve core flange follows, so that the end surface of the sealing ring extends beyond the edge portion of the flange and the valve
  • the front end face of the body is detached.
  • the reference chamber valve is open, and gas enters the reference cavity from the opening of the reference chamber.
  • the valve core After the inflation is completed, the valve core is released, the core of the valve core rebounds, the core rod or the ejector no longer exerts a force on the spool of the reference chamber valve, and the spring applies a force to the spool to make the seal ring extend beyond the flange.
  • the edge is pressed against the front end surface of the valve body, so that the reference chamber valve is closed, and the reference chamber is sealed to keep the pressure constant when the air is full.
  • the pressure in the tire drops, since the pressure in the reference cavity does not change, the pressure on the inner and outer sides of the reference cavity may be deviated. At this time, the elastic metal diaphragm as the reference cavity wall surface may be deformed outward due to the pressure difference.
  • the built-in tire pressure monitoring alarm realizes monitoring and alarming of the tire pressure difference by the elastic metal diaphragm as the reference cavity wall surface due to the differential pressure deformation, and the mechanical pressure sensing is stable and reliable. It can be used in harsh working environments with low failure rates.
  • the alarm circuit When the alarm device is in the non-alarm state, the alarm circuit is not conducting, there is no current, no energy is consumed, the power consumption is extremely low, the battery is not frequently replaced, and there is no problem that the alarm circuit cannot work due to the exhaustion of the battery. Avoid the potential safety hazards and make your work safer and more reliable.
  • the elastic metal diaphragm is much less expensive than the electronic sensor, and therefore, the cost of the built-in tire pressure monitoring alarm of the present invention is also low.
  • FIG. 1 is a schematic structural view of a built-in tire pressure monitoring alarm of the present invention
  • FIG. 2 is a partial enlarged view of FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • an internal tire pressure monitoring alarm includes a housing 1 and a valve stem 2 communicating with the housing, the end of the valve stem
  • the valve core 3 is installed in the housing, the reference cavity 4, the alarm signal transmitting module 5 and the battery 6 are arranged in the housing, and the wall surface of the reference cavity is an elastic metal diaphragm 401, and the negative contact point of the alarm signal transmitting module is electrically connected with the negative pole of the power source.
  • the positive electrode contact point 501 is adjacent to and facing the elastic metal diaphragm of the reference cavity, and the elastic metal diaphragm of the reference cavity is electrically connected to the positive electrode of the battery;
  • the reference cavity extends toward the valve stem with an inlet pipe 402, and the inlet pipe is installed with Sealing and opening the reference chamber valve 7 of the inlet tube;
  • the inner wall of the inlet tube is provided with an inward boss 8, the valve body 701 of the reference chamber valve is screwed into the inlet tube, and a sealing ring seal 9 is provided between the boss and the reference chamber valve
  • the valve body 702 is inserted into the middle of the valve body and protrudes from the front end of the valve body.
  • the end of the protruding end is screwed with a nut 10, and the edge of the nut is provided with an outwardly extending annular groove 11 and a sealing is arranged in the annular groove.
  • the ring 12 is provided with a flange 13 opposite to the valve core, and the sealing ring is clamped between the nut and the flange, the end surface of the sealing ring is beyond the edge of the flange, and the excess portion 14 is opposite to the front end surface 15 of the valve body; Reference The valve core of the cavity valve is pressed against the core rod 301 of the valve core through the ram 16 (see Fig.
  • the housing can be divided into upper and lower parts and screwed by screws. When the battery is used up, it can be easily replaced to avoid waste.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

一种内置式轮胎压力监测报警器，其壳体（1）内有参考腔（4）、参考腔（4）向阀杆（2）方向延伸有入口管（402），在入口管（402）内安装有可密封及打开入口管（402）的参考腔阀门（7）；参考腔阀门（7）的阀芯（702）直接与气门芯（3）的芯杆（301）相抵紧，充气时，气门芯（3）被顶开，气门芯（3）的芯杆（301）顶压阀芯（702），参考腔阀门（7）打开，参考腔（4）充气；充气完毕后，气门芯（3）回弹，参考腔阀门（7）关闭，将参考腔（4）密封。当轮胎内的压力过低时，参考腔壁面的弹性金属膜片（401）会因为压差而产生向外侧的变形与报警信号发射模块（5）的正极接触点相接触时，使报警信号发射模块（5）得电发出信号，汽车上的报警装置接收信号，从而报警。所述报警器为机械式传感，工作稳定可靠，能够适用恶劣的工作环境，故障率低，且成本也较低。

Description

内置式轮胎压力监测报警器 技术领域 本发明涉及对轮胎压力进行监测、 并在胎压过低时进行报警的装置； 特别是一种置于轮 胎内部的对轮胎压力进行监测及报警的装置。
说
背景技术 目前， 市面上的轮胎压力监测报警装置， 主书要为电子传感器形式， 通过电子芯片感应轮 胎内的气压， 电子芯片需要全天二十四小时一直呈供电状态， 其耗电量大， 电池容易用完， 需要经常更换， 给使用者带来不便。 特别是一旦电池消耗完， 而使用者未能及时更换， 将导 致报警装置无法正常报警， 存在安全隐患。 此外， 电子芯片对工作环境还有要求， 在遇恶劣 的环境时， 其容易发生故障， 不能正常工作。 另外， 感应气压的电子芯片成本也较高。
发明内容 本发明旨在给出一种耗电少、 工作安全可靠、 能更好的适应恶劣环境， 且成本也更低的 内置式轮胎压力监测报警器。 本发明所述的内置式轮胎压力监测报警器， 包括壳体和与壳体相通的阀杆， 阀杆的端部 安装有气门芯， 其特征在于： 壳体内有参考腔、 报警信号发射模块以及电池， 参考腔的部分 壁面为弹性金属膜片， 报警信号发射模块的负极接触点与电源的负极电连接， 其正极接触点 靠近并正对参考腔的弹性金属膜片，参考腔的弹性金属膜片则与电池的正极电连接；参考腔向 阀杆方向延伸有入口管， 在入口管内安装有可密封及打开入口管的参考腔阀门； 入口管的内 壁设置向内的凸台， 参考腔阀门的阀体通过螺纹旋于入口管内， 与凸台间设置密封圈密封， 参考腔阀门的阀芯插于阀体中部从阀体前端伸出， 伸出端的端部上旋有螺帽， 螺帽的帽缘位 置设置向外延伸的环形凹槽， 环形凹槽内安装密封环， 阀芯相对处设置有凸缘， 将密封圈夹 紧在螺帽与凸缘之间， 密封环的端面超出凸缘的边缘， 其超出部分与阀体的前端面相对； 参 考腔阀门的阀芯直接与气门芯的芯杆相抵紧， 或者通过顶杆与气门芯的芯杆相抵紧， 阀芯与 阀体间安装有弹簧， 弹簧对阀芯施力， 使密封环超出凸缘的边缘能够压紧在阀体的前端面上。 本发明所述的内置式轮胎压力监测报警器， 安装于轮胎轮毂气门孔内， 当对轮胎充气时， 其阀杆内的气门芯被顶压， 气门芯的芯杆或者与芯杆相抵的顶杆能够推动参考腔阀门的芯杆 向参考腔内部移动， 使螺帽的环形凹槽与阀芯凸缘间夹持的密封环跟随移动， 从而使密封环 的端面超出凸缘的边缘部分与阀体的前端面脱离。 此时参考腔阀门呈打开状态， 气体从参考 腔的开孔进入到参考腔内。 充气完毕后， 气门芯被松开， 气门芯的芯杆回弹， 芯杆或者顶杆 不再对参考腔阀门的阀芯施力， 弹簧则对阀芯施力， 使密封环超出凸缘的边缘压紧在阀体的 前端面上， 使参考腔阀门呈关闭状态， 参考腔密封， 保持压力恒定在充完气时的状态。 在轮 胎内的压力下降后， 由于参考腔内的压力不变， 故参考腔内外两侧的压力会存在偏差， 此时 作为参考腔壁面的弹性金属膜片会因为压差而产生向外侧的变形； 当胎压下降到一定程度， 弹性金属膜片的变形到与报警信号发射模块的正极接触点相接触时， 报警信号发射模块得电 发出信号， 汽车上的报警装置接收信号， 从而进行报警。 所述内置式轮胎压力监测报警器， 通过作为参考腔壁面的弹性金属膜片因压差变形导通 报警器电路板来实现轮胎压差的监测和报警， 其为机械式传感， 工作稳定可靠， 能够适用恶 劣的工作环境， 故障率低。 且报警装置在非报警状态时报警电路不导通， 不存在电流， 不需 要消耗能源， 耗电量极低， 不需要频繁更换电池， 不会存在因电池耗尽导致报警电路无法工 作的问题， 避免因此带来的安全隐患， 工作更加安全、 可靠。 此外， 弹性金属膜片其成本远 低于电子传感器， 因此， 本发明的内置式轮胎压力监测报警器的成本也较低。
附图说明 图 1 是本发明的内置式轮胎压力监测报警器的结构示意图； 图 2 是图 1的局部放大图。 具体实施方式 如图 1、 2, 内置式轮胎压力监测报警器， 包括壳体 1和与壳体相通的阀杆 2， 阀杆的端 部安装有气门芯 3， 壳体内有参考腔 4、 报警信号发射模块 5以及电池 6， 参考腔的部分壁面 为弹性金属膜片 401， 报警信号发射模块的负极接触点与电源的负极电连接， 其正极接触点 501靠近并正对参考腔的弹性金属膜片，参考腔的弹性金属膜片则与电池的正极电连接； 参考 腔向阀杆方向延伸有入口管 402， 在入口管内安装有可密封及打开入口管的参考腔阀门 7; 入 口管的内壁设置向内的凸台 8， 参考腔阀门的阀体 701通过螺纹旋于入口管内， 与凸台间设 置密封圈密封 9， 参考腔阀门的阀芯 702插于阀体中部从阀体前端伸出， 伸出端的端部上旋 有螺帽 10， 螺帽的帽缘位置设置向外延伸的环形凹槽 11， 环形凹槽内安装密封环 12， 阀芯 相对处设置有凸缘 13， 将密封圈夹紧在螺帽与凸缘之间， 密封环的端面超出凸缘的边缘， 其 超出部分 14与阀体的前端面 15相对；参考腔阀门的阀芯通过顶杆 16与气门芯的芯杆 301相 抵紧（如图 1 )， 也可直接与气门芯的芯杆相抵紧（图未示出）， 阀芯与阀体间安装有弹簧 17， 弹簧对阀芯施力， 使密封环超出凸缘的边缘能够压紧在阀体的前端面上。 壳体可分上、 下两个部分， 通过螺纹旋接。 当电池用完时， 可方便进行更换， 避免浪费。

Claims

权 利 要 求 书 、 内置式轮胎压力监测报警器， 包括壳体和与壳体相通的阀杆， 阀杆的端部安装有气门芯， 其特征在于： 壳体内有参考腔、报警信号发射模块以及电池， 参考腔的部分壁面为弹性金 属膜片， 报警信号发射模块的负极接触点与电源的负极电连接， 其正极接触点靠近并正对 参考腔的弹性金属膜片，参考腔的弹性金属膜片则与电池的正极电连接； 参考腔向阀杆方 向延伸有入口管， 在入口管内安装有可密封及打开入口管的参考腔阀门； 入口管的内壁设 置向内的凸台， 参考腔阀门的阀体通过螺纹旋于入口管内， 与凸台间设置密封圈密封， 参 考腔阀门的阀芯插于阀体中部从阀体前端伸出， 伸出端的端部上旋有螺帽， 螺帽的帽缘位 置设置向外延伸的环形凹槽， 环形凹槽内安装密封环， 阀芯相对处设置有凸缘， 将密封圈 夹紧在螺帽与凸缘之间，密封环的端面超出凸缘的边缘，其超出部分与阀体的前端面相对； 参考腔阀门的阀芯直接与气门芯的芯杆相抵紧， 或者通过顶杆与气门芯的芯杆相抵紧， 阀 芯与阀体间安装有弹簧， 弹簧对阀芯施力， 使密封环超出凸缘的边缘能够压紧在阀体的前 端面上。 、 根据权利要求 1所述的内置式轮胎压力监测报警器， 其特征在于： 壳体分上下两个部分， 通过螺纹旋接。
PCT/CN2012/081944 2012-07-06 2012-09-25 内置式轮胎压力监测报警器 WO2014005381A1 (zh)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CA 2878523 CA2878523A1 (en) 2012-07-06 2012-09-25 Built-in tire pressure monitoring and alarming device
KR1020157003247A KR101682089B1 (ko) 2012-07-06 2012-09-25 내장형 타이어 압력 모니터링 경보기
JP2015518779A JP2015527238A (ja) 2012-07-06 2012-09-25 内蔵式タイヤの空気圧監視警報器
RU2015103860/11A RU2599318C2 (ru) 2012-07-06 2012-09-25 Встроенное устройство для мониторинга давления в шине и подача сигнала падения давления
US14/412,465 US9365083B2 (en) 2012-07-06 2012-09-25 Built-in tire pressure monitoring and alarming device
EP12880706.2A EP2871078A4 (en) 2012-07-06 2012-09-25 INTEGRATED WARNING DEVICE FOR TIRE PRESSURE CONTROL
IN879DEN2015 IN2015DN00879A (zh) 2012-07-06 2015-02-04

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210233436.6 2012-07-06
CN201210233436 2012-07-06

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WO2014005381A1 true WO2014005381A1 (zh) 2014-01-09

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JP2015527238A (ja) 2015-09-17
RU2599318C2 (ru) 2016-10-10
KR20150036436A (ko) 2015-04-07
US9365083B2 (en) 2016-06-14
US20150123779A1 (en) 2015-05-07
IN2015DN00879A (zh) 2015-06-12
EP2871078A4 (en) 2016-07-13
RU2015103860A (ru) 2016-08-27
KR101682089B1 (ko) 2016-12-02
EP2871078A1 (en) 2015-05-13

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