WO2012157264A1 - Dispositif de détection de vol de compteur à gaz - Google Patents

Dispositif de détection de vol de compteur à gaz Download PDF

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Publication number
WO2012157264A1
WO2012157264A1 PCT/JP2012/003182 JP2012003182W WO2012157264A1 WO 2012157264 A1 WO2012157264 A1 WO 2012157264A1 JP 2012003182 W JP2012003182 W JP 2012003182W WO 2012157264 A1 WO2012157264 A1 WO 2012157264A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetism
unit
theft
theft detection
housing
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2012/003182
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English (en)
Japanese (ja)
Inventor
幸宏 尾本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Publication of WO2012157264A1 publication Critical patent/WO2012157264A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D4/00—Tariff metering apparatus
    • G01D4/02—Details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/30—Smart metering, e.g. specially adapted for remote reading

Definitions

  • the present invention relates to a theft detection device for a gas meter.
  • Patent Document 1 showing the prior art discloses a security alarm device.
  • This crime prevention alarm device comprises a part of the device circuit, and includes a wire part that couples the product to a predetermined place, and a control part that detects that the wire part has been cut without permission and activates the alarm operation circuit. To do.
  • the gas meter cannot be provided with an electrical external connection means in order to prevent illegal acts such as tampering with the meter reading value and to ensure high waterproofness against rain.
  • the present invention relates to a gas meter theft detection device capable of preventing illegal actions such as theft and tampering of a meter reading value and providing high waterproofness without providing an electrical external connection means.
  • the purpose is to provide.
  • the antitheft device for a gas meter includes a housing, a magnetism generating portion that generates magnetism, a wire having one end connected to the housing and the other end connected to the magnetism generating portion, and an inside of the housing.
  • a reed switch that is turned on by detecting the magnetism of the magnetism generator, and is installed inside the housing, detects that the reed switch has changed from the ON state to the OFF state, and outputs a theft detection signal
  • An ON-OFF detection unit that performs the output
  • a theft detection control unit that is disposed inside the housing and generates a radio signal based on the theft detection signal output from the ON-OFF detection unit, and the theft detection control unit outputs And an RF unit that wirelessly transmits a radio signal.
  • the ON-OFF detection unit may output a theft detection signal when the reed switch transitions from the ON state to the OFF state and the OFF state continues for a predetermined period.
  • FIG. 1 is a block diagram showing a schematic configuration of a gas meter antitheft device according to the first embodiment of the present invention.
  • FIG. 2 is a block diagram showing a schematic configuration of a gas meter antitheft device according to the second embodiment of the present invention.
  • FIG. 1 is a block diagram showing a schematic configuration of a gas meter antitheft device according to the first embodiment of the present invention.
  • the gas meter antitheft device 100 includes a housing 10, a magnetism generating portion 15 that generates magnetism, and a wire having one end connected to the housing 10 and the other connected to the magnetism generating portion 15. 16.
  • a reed switch 11 that is disposed inside the housing 10 and that is turned on when the magnetism of the magnetism generating unit 15 is sensed, and a reed switch 11 that is disposed inside the housing 10 and that changes from the on state to the off state.
  • an ON-OFF detector 12 that outputs a theft detection signal.
  • the theft detection that is arranged inside the housing 10 and generates a radio signal that tells the outside that the gas meter has been removed due to theft or the like based on the theft detection signal output from the ON-OFF detector 12.
  • a control unit 13 and an RF unit 14 that wirelessly transmits a radio signal output from the theft detection control unit 13 are provided.
  • the housing 10 can be formed of a plastic box, for example.
  • the material of the housing 10 may be any material as long as it can transmit a magnetic field to such an extent that the magnetic generator 15 can act on the reed switch 11.
  • the magnetism generating unit 15 can be configured by, for example, a magnet.
  • the wire 16 may be formed of, for example, a metal wire or a string that is difficult to cut.
  • the reed switch 11 has a structure in which, for example, two ferromagnetic leads are opposed to each other with a predetermined contact interval and sealed in a glass tube.
  • the lead When a magnetic field is applied from the outside in the axial direction of the lead, the lead is magnetized, and an attractive force is generated between the opposing free ends. Further, if the magnetic field is erased, it becomes OFF due to the elasticity of the lead. That is, in a normal state where the magnetic field is weak, at least one of the leads is biased in a direction away from the other lead, and the contact is brought into contact by the action of a magnetic force opposite to the biasing force when the lead is magnetized by the magnetic field. .
  • the ON-OFF detection unit 12 includes, for example, a microcontroller, an MPU, a PLC (Programmable Logic Computer), a logic circuit, and other storage means such as a memory in which a program, a determination condition, and the like are stored. And a timer (such as a timer circuit).
  • the ON-OFF detector 12 is preferably electrically connected to the reed switch 11 so that it can detect that the reed switch 11 has transitioned from the ON state to the OFF state.
  • the theft detection control unit 13 can be configured by, for example, a microcontroller, an MPU, a PLC (Programmable Logic Computer), a logic circuit, and the like, and a storage unit such as a memory in which a program or the like is stored.
  • the theft detection control unit 13 is preferably communicably connected to the ON-OFF detection unit 12 so that the theft detection signal from the ON-OFF detection unit 12 can be received.
  • the theft detection control unit 13 is preferably connected to be able to communicate with the RF unit 14 so that the RF unit 14 can be controlled.
  • the RF unit 14 may be configured to include an antenna, an amplifier, an oscillator, and the like, for example.
  • each of the ON-OFF detection unit 12, the theft detection control unit 13, and the RF unit 14 may be configured by a single component (chip or the like), or may be configured by a plurality of components.
  • the ON-OFF detection unit 12, the theft detection control unit 13, and the RF unit 14 may be configured as an integral component in any combination.
  • the wire 16 is wound around, for example, a gas pipe, and the magnetism generating unit 15 magnetizes the reed switch 11 in the housing 10.
  • the magnetic generator 15 is fixed at a position where it is generated.
  • the reed switch 11 is turned off.
  • the ON-OFF detection unit 12 detects that the reed switch 11 is in the OFF state, a theft detection signal indicating that the theft has occurred is output.
  • the theft detection signal is output to the theft detection control unit 13, and a radio signal is generated that tells the outside that the removal such as theft has occurred.
  • the wireless signal is wirelessly transmitted by the RF unit 14.
  • the wire and the main body can be connected without providing an electrical external connection means, theft detection such as theft or removal, or fraud such as tampering with the meter reading value is detected.
  • theft detection such as theft or removal
  • fraud such as tampering with the meter reading value is detected.
  • it is possible to ensure high waterproofness against rain and the like.
  • the ON-OFF detection unit 12 detects the transition of the reed switch 11 from the ON state to the OFF state and outputs the theft detection signal. However, when the ON-OFF detection unit 12 transitions from the ON state to the OFF state, If the OFF state is continued for a predetermined period, a theft detection signal may be output.
  • the theft detection signal is not output, so that the accuracy of the theft detection can be improved. it can.
  • the wire 16 is wound around a gas pipe or the like, indicating that it takes time to remove the gas meter, and can be prevented from being stolen. Furthermore, since the magnetism generating unit 15 and the housing 10 are always mechanically connected, any one of them will not be lost, so that it is possible to eliminate the problem of installation work.
  • the magnetism generating unit 15 can be firmly fixed to the installation location of the gas meter by any method, the magnetism generating unit 15 and the housing 10 are separated from each other when the gas meter is removed.
  • the wire 16 that mechanically connects the portion 15 and the housing 10 is not necessarily required in the present embodiment.
  • the gas meter theft detection device in the second embodiment has magnetism generating portions arranged at both ends of the wire, and a reed switch and ON-OFF detection The difference is that two parts are arranged two by two.
  • FIG. 2 is a block diagram showing a schematic configuration of a gas meter antitheft device according to the second embodiment of the present invention.
  • the gas meter antitheft device 200 includes a housing 20, a first magnetism generating unit 25A that generates magnetism, a second magnetism generating unit 25B that generates magnetism, and one end of which is a first magnetism.
  • the generator 25A includes a wire 26 having the other end connected to the second magnetism generator 25B.
  • the first reed switch 21A that is disposed inside the housing 20 and senses the magnetism of the first magnetic generator 25A and is turned on, and the first reed switch 21A that is disposed inside the housing 20, A first ON-OFF detector 22A that detects that the reed switch 21A has changed from an ON state to an OFF state and outputs a first theft detection signal;
  • a second reed switch 21B which is disposed inside the housing 20 and senses the magnetism of the second magnetism generator 25B and is turned on, and a second reed switch 21B which is disposed inside the housing 20, A second ON-OFF detector 22B that detects that the reed switch 21B has changed from the ON state to the OFF state and outputs a second theft detection signal;
  • the first theft detection signal provided from the first ON-OFF detection unit 22A or the second output from the second ON-OFF detection unit 22B is disposed inside the housing 10. Based on the theft detection signal, a theft detection control unit 23 that generates a radio signal that tells the outside that the gas meter has been removed due to theft or the like, and an RF unit 24 that wirelessly transmits the radio signal output by the theft detection control unit 23 With.
  • the detection unit 22B, the theft detection control unit 23, and the RF unit 24 can be configured by the same members as the components of the gas meter theft detection device in the first embodiment.
  • the wire 26 is wound around, for example, a gas pipe, and the first magnetism generator 25A is the first magnet in the housing 20.
  • the first magnetism generating part 25A is fixed at a position where the reed switch 21A can generate magnetism
  • the second magnetism generating part 25B is at a position where the second reed switch 21B in the housing 20 can generate magnetism.
  • the second magnetic generator 25B is fixed.
  • the first reed switch 21A or the second reed switch 21B is turned off.
  • the first ON-OFF detector 22A detects that the first reed switch 21A is in the OFF state
  • a first theft detection signal indicating that the theft has occurred is output.
  • the second ON-OFF detector 22B detects that the second reed switch 21B is in the OFF state
  • a second theft detection signal indicating that the theft has occurred is output.
  • the theft detection control unit 23 determines that the theft has been removed, and generates a radio signal for transmitting the theft detection information to the outside. Is done.
  • the radio signal is input to the RF unit 24 and wirelessly transmitted by the RF unit 24.
  • the magnetism generating portion is provided at both ends of the wire, the accuracy of theft detection can be improved.
  • the gas meter theft detection device 200 differs from the configuration of the gas meter theft detection device 100 according to the first embodiment of the present invention in that the first magnetic generation unit 25A and the second magnetic generation unit. 25B and the housing 20 are not connected by the wire 26.
  • the first magnetic generation unit 25A and the second magnetic generation unit. 25B and the housing 20 are not connected by the wire 26.
  • the wire 26 is wound around the gas pipe, it is not necessary to handle the housing 20 when handling the first magnetic generator 25A and the second magnetic generator 25B, so that the installation work is facilitated.
  • the wire 26 is wound around a gas pipe or the like, indicating that it takes time to remove the gas meter, and it is possible to prevent theft in advance. Furthermore, since the first magnetic generation unit 25A and the second magnetic generation unit 25B are always mechanically connected, any one of them will not be lost, so that it is possible to eliminate the problem of installation work.
  • the first magnetic generator 25A and the second magnetic generator 25B can be firmly fixed to the installation location of the gas meter by some method, when the gas meter is removed, the first magnetic generator 25A and the second magnetic generator 25B Since the second magnetic generator 25B and the housing 20 are separated from each other and a theft signal is generated, the wire 26 that mechanically connects the first magnetic generator 25A and the second magnetic generator 25B is used in this embodiment. However, it is not always necessary.
  • a magnetism generating device and a reed switch that senses magnetism are used to detect a theft detection signal by detecting the ON / OFF state of the reed switch.
  • a configuration that uses a light receiving element that senses light and generates a theft detection signal based on a signal from the light receiving element is also a configuration that embodies the present invention without departing from the spirit of the present invention.
  • the gas meter theft detection device of the present invention is useful as a gas meter theft detection device capable of preventing fraud such as theft, detachment, tampering with the meter reading value, and ensuring high water resistance against rain.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

L'invention concerne un dispositif de détection de vol de compteur à gaz comprenant : une unité d'émission de magnétisme (15) qui émet un magnétisme ; un câble (16) qui est connecté à un boîtier (10) et à l'unité d'émission de magnétisme (15) ; un commutateur à lames (11) qui est disposé à l'intérieur du boîtier (10) et se trouve en état de marche dès que le magnétisme est détecté ; une unité de détection marche/arrêt (12) qui est disposée à l'intérieur du boîtier (10), détecte que le commutateur à lames (11) est passé de l'état de marche à l'état d'arrêt, et génère un signal de détection de vol ; une unité de commande de détection de vol (13) qui est disposée à l'intérieur du boîtier (10) et génère un signal sans fil d'après le signal de détection de vol qui est généré par l'unité de détection marche/arrêt (12) ; et une unité RF (14) qui transmet sans fil le signal sans fil que génère l'unité de commande de détection de vol (13).
PCT/JP2012/003182 2011-05-16 2012-05-16 Dispositif de détection de vol de compteur à gaz Ceased WO2012157264A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011109032 2011-05-16
JP2011-109032 2011-05-16

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Publication Number Publication Date
WO2012157264A1 true WO2012157264A1 (fr) 2012-11-22

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PCT/JP2012/003182 Ceased WO2012157264A1 (fr) 2011-05-16 2012-05-16 Dispositif de détection de vol de compteur à gaz

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015012420A (ja) * 2013-06-28 2015-01-19 東日本旅客鉄道株式会社 屋外設置機器の盗難防止器
CN106404092A (zh) * 2016-12-02 2017-02-15 南昌前哨科技有限公司 一种燃气防盗系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611091U (ja) * 1992-02-28 1994-02-10 アイテック・エレクトロ株式会社 盗難防止装置及び盗難防止装置用警報ユニット
JP3029469U (ja) * 1995-12-08 1996-10-01 一彦 指宿 消火器用防犯ブザー
JP2003090752A (ja) * 2001-09-18 2003-03-28 Nippon Chutetsukan Kk ガスメーター接続部配管の保護カバー
JP2007080239A (ja) * 2005-08-19 2007-03-29 Nobuyo Sakai 簡易警報装置
JP3166909U (ja) * 2010-11-01 2011-03-31 片山　俊弘 ワイヤーセンサー

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611091U (ja) * 1992-02-28 1994-02-10 アイテック・エレクトロ株式会社 盗難防止装置及び盗難防止装置用警報ユニット
JP3029469U (ja) * 1995-12-08 1996-10-01 一彦 指宿 消火器用防犯ブザー
JP2003090752A (ja) * 2001-09-18 2003-03-28 Nippon Chutetsukan Kk ガスメーター接続部配管の保護カバー
JP2007080239A (ja) * 2005-08-19 2007-03-29 Nobuyo Sakai 簡易警報装置
JP3166909U (ja) * 2010-11-01 2011-03-31 片山　俊弘 ワイヤーセンサー

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015012420A (ja) * 2013-06-28 2015-01-19 東日本旅客鉄道株式会社 屋外設置機器の盗難防止器
CN106404092A (zh) * 2016-12-02 2017-02-15 南昌前哨科技有限公司 一种燃气防盗系统
CN106404092B (zh) * 2016-12-02 2023-12-05 湖州新奥燃气发展有限公司 一种燃气防盗系统

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