WO2009153918A1 - Dispositif de détection du bris d’une vitre - Google Patents

Dispositif de détection du bris d’une vitre Download PDF

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Publication number
WO2009153918A1
WO2009153918A1 PCT/JP2009/002246 JP2009002246W WO2009153918A1 WO 2009153918 A1 WO2009153918 A1 WO 2009153918A1 JP 2009002246 W JP2009002246 W JP 2009002246W WO 2009153918 A1 WO2009153918 A1 WO 2009153918A1
Authority
WO
WIPO (PCT)
Prior art keywords
window glass
wireless communication
power supply
broken
breakage
Prior art date
Application number
PCT/JP2009/002246
Other languages
English (en)
Japanese (ja)
Inventor
大田英明
Original Assignee
株式会社豊田自動織機
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 株式会社豊田自動織機 filed Critical 株式会社豊田自動織機
Publication of WO2009153918A1 publication Critical patent/WO2009153918A1/fr

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/04—Mechanical actuation by breaking of glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R25/1004—Alarm systems characterised by the type of sensor, e.g. current sensing means

Definitions

  • the present invention relates to detection of breakage of a window glass, and more particularly to a technique for detecting breakage of a crack level.
  • a conventional glass breakage detection device has been proposed in which an impact sound generated when a window glass is broken is detected by a detection means composed of a microphone provided in the vehicle, and an alarm is issued when the detection means is activated.
  • the impact sound detected is exclusively sound waves in the audible frequency band, and not only the breaking sound of the window glass but also noise outside the vehicle (such as horn sound of other vehicles and loud sound from a spokesperson).
  • noise outside the vehicle such as horn sound of other vehicles and loud sound from a spokesperson
  • a resistor is installed on the surface or inside of a window glass to constitute a circuit for detecting a divided value of a power supply voltage.
  • the resistor installed on the surface or inside of the glass is disconnected from the power source, so that the partial pressure detected by the circuit for detecting the partial pressure value changes.
  • a method for determining glass breakage by detecting a change in partial pressure has been proposed.
  • Patent Document 2 a resistive coating is heated by feeding power from a high voltage battery to each electrode strip divided at the center through a controller and each conductive wire. When the unbalanced current detected by the current detector exceeds a predetermined level, the controller stops supplying power to the resistive coating.
  • a window glass heating apparatus that can detect an imbalance in current and accurately detect cracks in a window glass by dividing an electrode strip. Further, Patent Literature 3, Patent Literature 4 and the like are disclosed. JP 2003-141649 A JP 7-101239 A JP 2005-115409 A JP 2006-188823 A
  • An object of the present invention is to provide a window glass breakage detecting device capable of detecting even breakage of a window glass, in particular, cracking of a glass.
  • a window glass breakage detection device attached to a window glass and used for detecting breakage of the window glass includes a radio communication unit, a power supply unit, and a power supply elasticity. Department.
  • the wireless communication unit wirelessly communicates with a reporting device having a wireless communication function for reporting that the window glass is broken.
  • the power supply unit supplies power to the wireless communication unit.
  • the power supply elastic part is a wiring that supplies power from the power supply part to the wireless communication part and is an elastic body. When the window glass is damaged, a partial region of the window glass is formed on the elastic body. It has a function of breaking by elastic force and stopping power supply to the wireless communication unit.
  • the power supply elastic portion breaks the window glass and can detect the breakage of the window glass.
  • the power supply elastic portion is provided with a projection that makes it easy to break the window glass when the window glass is broken at a portion that contacts the window glass.
  • the power supply elastic portion is a leaf spring.
  • the wireless communication between the wireless communication unit and the notification device is communication using an RFID method.
  • a plurality of windows are attached to the window glass.
  • the window glass breakage detection device 1 includes a wireless communication unit 2, a power supply unit 3, and a power supply elastic unit 4. Moreover, the structure of the window glass breakage detection apparatus 1 and the notification apparatus 12 is shown in FIG.
  • the wireless communication unit 2 When the window glass 100 is broken, the wireless communication unit 2 performs wireless communication with the reporting device 12 having a wireless communication function for reporting that the window glass 100 is broken.
  • the radio communication between the radio communication unit 2 and the reporting device 12 uses RFID (Radio Frequency Identification).
  • the power supply unit 3 (battery or the like) supplies power from the wiring 8 and the wiring 9 to the wireless communication unit 2 via the power supply elastic unit 4 and the wiring 10.
  • the wiring 10 does not directly contact the wiring 9 but supplies power via the power supply elastic portion 4.
  • the contact portion of the wiring 10 may have elasticity.
  • the power supply elastic section 4 is a wiring that supplies power from the power supply section 3 to the wireless communication section 2 and is an elastic body.
  • a part of the window glass is elastically elastic. It is destroyed by force (see FIGS. 3A and 3B).
  • the power supply elastic part 4 is a leaf spring or the like, and is usually bent and arranged in a hole (a hole for attaching the window glass breakage detection device 1) opened in the window glass 100.
  • the power supply elastic part 4 is provided with a projection 11 that makes it easy to break the window glass 100 when the window glass 100 is broken at a portion that contacts the window glass 100.
  • a sharp protrusion (wedge) is preferable.
  • a triangular wedge is attached to the upper wall surface of the hole of the window glass 100 as shown in FIGS.
  • the protrusion 11 (wedge) can break through the window glass 100 damaged by cracks or the like with an elastic force.
  • a plate 5 made of an insulating material is provided on the power supply unit 3.
  • the plate 5 has wirings 10 and wirings for the power supply terminals 6 and 7 of the wireless communication unit 2, and wirings 8 and 9 for connecting to the power supply terminals of the power supply unit 3.
  • the notification device 12 includes an antenna 13, a receiver 14, a controller 15, and an alarm device 16.
  • the reporting device 12 is mounted on a vehicle, for example.
  • the antenna 13 receives a transmission signal (electromagnetic wave) transmitted from the wireless communication unit 2 at a preset interval. Thereafter, the received transmission signal is demodulated by the receiver 14. Based on the demodulated transmission signal, it is determined whether or not the controller 15 is normal, and the alarm device 16 is notified.
  • the controller 15 outputs a control signal to the alarm device 16 so as not to output an alarm when the wireless communication unit 2 receives a transmission signal at a constant interval.
  • the alarm device 16 includes a speaker and a light, and notifies that the window glass is broken due to a large volume or light emission.
  • a plurality of window glass breakage detection devices 1 may be attached to a plurality of attachment holes 41 provided in the window glass 100 as shown in FIG.
  • RFID is used for wireless communication.
  • the radio wave may be transmitted when the radio wave is stopped in a normal state and the glass is cracked and the spring is extended.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

L’invention concerne un dispositif de détection du bris d’une vitre, notamment en cas de bris partiel de la vitre dont une partie reste en place. Le dispositif, monté sur la vitre, comprend un moyen de communication sans fil qui, lors du bris de la vitre, entre en communication sans fil avec un dispositif d’avertissement pourvu d’une fonction de communication sans fil visant à avertir du bris ; un moyen formant source d’énergie électrique qui produit de l’énergie électrique à l’intention du moyen de communication sans fil ; et un moyen élastique d’acheminement d’énergie électrique prenant la forme d’un corps élastique acheminant l’énergie électrique du moyen formant source d’énergie électrique au moyen de communication sans fil. Lors du bris de la vitre, la force élastique du corps élastique brise une région partielle de la vitre en coupant ainsi l’alimentation du moyen de communication sans fil en énergie électrique.
PCT/JP2009/002246 2008-06-16 2009-05-21 Dispositif de détection du bris d’une vitre WO2009153918A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008156436A JP2009298341A (ja) 2008-06-16 2008-06-16 ウィンドウガラス破損検出装置
JP2008-156436 2008-06-16

Publications (1)

Publication Number Publication Date
WO2009153918A1 true WO2009153918A1 (fr) 2009-12-23

Family

ID=41433844

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/002246 WO2009153918A1 (fr) 2008-06-16 2009-05-21 Dispositif de détection du bris d’une vitre

Country Status (3)

Country Link
JP (1) JP2009298341A (fr)
TW (1) TW201002546A (fr)
WO (1) WO2009153918A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102149949B1 (ko) * 2020-04-23 2020-08-31 최재연 고성능 선루프

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230918A (en) * 1978-12-08 1980-10-28 General Motors Corporation Vehicle window glass breakage detector
US5627509A (en) * 1994-08-29 1997-05-06 Ford Motor Company Glazing unit security system
JP2009061820A (ja) * 2007-09-04 2009-03-26 Toyota Industries Corp 自動車用窓のガラス割れ検出装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230918A (en) * 1978-12-08 1980-10-28 General Motors Corporation Vehicle window glass breakage detector
US5627509A (en) * 1994-08-29 1997-05-06 Ford Motor Company Glazing unit security system
JP2009061820A (ja) * 2007-09-04 2009-03-26 Toyota Industries Corp 自動車用窓のガラス割れ検出装置

Also Published As

Publication number Publication date
JP2009298341A (ja) 2009-12-24
TW201002546A (en) 2010-01-16

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