WO2013080840A1 - Dispositif de détection d'ouverture/fermeture de porte - Google Patents

Dispositif de détection d'ouverture/fermeture de porte Download PDF

Info

Publication number
WO2013080840A1
WO2013080840A1 PCT/JP2012/080051 JP2012080051W WO2013080840A1 WO 2013080840 A1 WO2013080840 A1 WO 2013080840A1 JP 2012080051 W JP2012080051 W JP 2012080051W WO 2013080840 A1 WO2013080840 A1 WO 2013080840A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
rotation
power generation
detection device
operation member
Prior art date
Application number
PCT/JP2012/080051
Other languages
English (en)
Japanese (ja)
Inventor
英太郎 亀田
Original Assignee
株式会社村田製作所
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 株式会社村田製作所 filed Critical 株式会社村田製作所
Publication of WO2013080840A1 publication Critical patent/WO2013080840A1/fr

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks
    • E05B2045/0615—Electric alarm locks triggered by movement of the handle
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0057—Feeding
    • E05B2047/0062—Feeding by generator

Definitions

  • the present invention relates to a door open / close detection device.
  • Patent Document 1 describes an example of a locking confirmation device that is added to a door knob having a locking rotary knob on the front surface and confirms locking.
  • the locking confirmation device described in Patent Document 1 includes an arm-type door grip that is detachably attached to the outer periphery of a door knob, a lever that is attached to a locking knob, and an adjacent portion between the arm-type door grip and the lever.
  • a locking confirmation switch that is provided and detects whether the lever is in a locked or unlocked position.
  • Patent Document 1 describes that the lock confirmation device is adapted to the wireless lock confirmation device by incorporating a wireless transmitter in the arm type door grip of the lock confirmation device.
  • metal doors are sometimes used for buildings. Metal doors do not transmit radio waves. For this reason, when a wireless lock confirmation device incorporating a wireless transmitter as described in Patent Document 1 is attached to a metal door, a signal is sent to the side of the door where the lock confirmation device is attached. Although it can be transmitted, there may be a case where a signal cannot be transmitted to the side where the door locking confirmation device is not attached. Therefore, in the lock confirmation device described in Patent Document 1, there is a restriction on the attachment position due to the positional relationship with the receiver.
  • the main object of the present invention is to provide a door opening / closing detection device capable of transmitting a radio signal and having a high degree of freedom in the mounting position.
  • a door opening / closing detection device includes a door body, a first rotation operation member provided on one side of the door body, a second rotation operation member provided on the other side of the door body, and the door body.
  • the first rotation operation member is connected to one end
  • the second rotation operation member is connected to the other end, the first rotation operation member and the second rotation operation
  • a door open / close detection device includes a metal rotating member, a power generation mechanism, and a transmission unit.
  • the rotating member rotates as the rotating shaft rotates.
  • the power generation mechanism generates power with the rotation of the rotating member.
  • the transmission unit transmits a radio signal using the power generated by the power generation mechanism when the power generation mechanism generates power.
  • the transmission unit includes an antenna terminal. The rotating shaft and the rotating member are electrically connected, and the antenna terminal of the transmitting unit and the rotating member are electrically connected.
  • the door opening / closing detection device is mounted inside the door body.
  • the door opening / closing detection device is attached to one side of the door body.
  • the power generation mechanism includes a piezoelectric element and a stress application mechanism.
  • the stress applying mechanism applies stress to the piezoelectric element by the number of times corresponding to the rotation angle of the rotating member when the rotating member rotates.
  • the door opening / closing detection device further includes an acceleration mechanism that accelerates the rotation of the rotating member and transmits the acceleration to the stress applying mechanism.
  • a door opening / closing detection device capable of transmitting a radio signal and having a high degree of freedom in the mounting position.
  • FIG. 1 is a schematic side view of a door opening / closing detection device according to a first embodiment of the present invention.
  • FIG. 2 is a schematic plan view of the door opening / closing detection device according to the first embodiment of the present invention.
  • FIG. 3 is a schematic perspective view of the power generation mechanism in the door open / close detection device according to the first embodiment of the present invention.
  • FIG. 4 is a schematic perspective view of the power generation mechanism in the door open / close detection device according to the second embodiment of the present invention.
  • FIG. 5 is a schematic side view of a door opening / closing detection device according to a third embodiment of the present invention.
  • FIG. 1 is a schematic side view of a door opening / closing detection device 1 according to a first embodiment of the present invention.
  • xy ⁇ of an orthogonal coordinate system including an x axis, a y axis orthogonal to the x axis, and a z axis orthogonal to the x axis and the y axis.
  • the z axis is appended.
  • the door opening / closing detection device 1 is used by being attached to a door 10.
  • the door 10 has a door body 11.
  • the door main body 11 includes a first door plate 11a and a second door plate 11b.
  • the 1st door board 11a and the 2nd door board 11b are distribute
  • An internal space 11c is formed between the first door plate 11a and the second door plate 11b. Since each of the first door plate 11a and the second door plate 11b is made of metal, it shields radio waves.
  • Each of the 1st door board 11a and the 2nd door board 11b can be comprised by alloys, such as metals, such as iron and aluminum, and stainless steel, for example.
  • metal includes “alloy”.
  • the door 10 is rotatably provided with a first door knob 12a as a first rotation operation member and a second door knob 12b as a second rotation operation member.
  • the first door knob 12a is provided on the x1 side (first door plate 11a side) of the door body 11.
  • the second door knob 12b is provided on the x2 side (second door plate 11b side) of the door body 11.
  • the door 10 is provided with a rotating shaft 13.
  • the rotation shaft 13 penetrates the door body 11 and is provided so as to extend from the x1 side of the door body 11 to the x2 side.
  • the rotating shaft 13 is rotatable with respect to the door body 11.
  • the x1 side end of the rotating shaft 13 is connected to the first door knob 12a, and the x2 side end is connected to the second door knob 12b.
  • the rotating shaft 13 rotates together with the first and second door knobs 12a and 12b. That is, the rotating shaft 13 rotates the first door knob 12a and the second door knob 12b in conjunction with each other.
  • the rotating shaft 13 is made of metal and has conductivity.
  • the rotating shaft 13 can be made of, for example, a metal such as iron or aluminum, or an alloy such as stainless steel.
  • the door opening / closing detection device 1 is attached to the inside of the door 10. Specifically, the door opening / closing detection device 1 is mounted in the internal space 11 c of the door body 11.
  • FIG. 2 is a schematic plan view of the door opening / closing detection device 1 according to the first embodiment of the present invention.
  • the door open / close detection device 1 includes a housing 20.
  • casing 20 can be comprised with metals, ceramics, resin, etc., such as iron and stainless steel, for example.
  • the casing 20 houses a rotating member 21, a power generation mechanism 30, and a transmission unit 40.
  • the housing 20 is fixed to the door body 11.
  • Rotating member 21 is provided with an opening 21a.
  • the rotary shaft 13 is inserted and fixed in the opening 21a. For this reason, the rotating member 21 rotates as the rotating shaft 13 rotates.
  • Rotating member 21 is made of metal and has conductivity. For this reason, the rotating member 21 is electrically connected to the rotating shaft 13.
  • the rotating member 21 can be made of, for example, a metal such as iron or aluminum, or an alloy such as stainless steel.
  • the power generation mechanism 30 is a mechanism that generates power as the rotating member 21 rotates.
  • the power generation mechanism 30 is electrically connected to the transmission unit 40 and supplies the generated power to the transmission unit 40.
  • the transmission unit 40 transmits a radio signal using the power generated by the power generation mechanism 30 when the power generation mechanism 30 generates power.
  • the antenna terminal (not shown) of the transmission unit 40 is electrically connected to the rotating member 21 electrically connected to the rotating shaft 13. For this reason, the wireless signal transmitted from the transmission unit 40 is wirelessly transmitted from the rotary shaft 13 functioning as an antenna.
  • FIG. 3 is a schematic perspective view of the power generation mechanism 30 in the door opening / closing detection device 1 according to the first embodiment of the present invention. Next, the configuration of the power generation mechanism 30 in this embodiment will be described with reference mainly to FIGS. 2 and 3.
  • the power generation mechanism 30 includes a piezoelectric element 31 and a stress application mechanism 32.
  • the piezoelectric element 31 has a columnar piezoelectric body and an electrode.
  • the piezoelectric body can be made of, for example, lead zirconate titanate (PZT).
  • the electrodes may be arranged in any way as long as the electric power generated in the piezoelectric body can be taken out.
  • the electrodes may be, for example, a pair and may be arranged so as to sandwich the piezoelectric body. Each of the pair of electrodes may be composed of a plurality of electrodes.
  • the piezoelectric element 31 may be configured by a stacked piezoelectric body formed by stacking a plurality of piezoelectric layers and a plurality of internal electrodes. As shown in FIG. 3, the piezoelectric element 31 has a quadrangular prism shape.
  • the piezoelectric element 31 has a first surface 31a and a second surface 31b. The first surface 31a and the second surface 31b face each other in the z-axis direction.
  • the stress applying mechanism 32 is a mechanism that applies stress to the piezoelectric element 31 as many times as the rotational angle of the rotating member 21 when the rotating member 21 rotates.
  • the stress application mechanism 32 is specifically configured as follows.
  • the stress application mechanism 32 includes a stopper 33.
  • the stopper 33 includes a contact portion 33 a including a contact surface that is in contact with the first surface 31 a of the piezoelectric element 31.
  • a cam 35 is rotatably attached to the stopper 33.
  • the planar shape of the cam 35 is non-circular. Specifically, the cam 35 has a substantially polygonal shape, more specifically, a substantially rectangular shape in plan view.
  • a shaft having a gear on the outer peripheral surface is fixed to the central portion of the cam 35 so as not to rotate. The shaft of the cam 35 is meshed with the rotating member 21. For this reason, the cam 35 rotates as the rotating member 21 rotates.
  • a lever 34 is attached to the stopper 33.
  • the lever 34 is directly connected to the stopper 33. That is, the stopper 33 and the lever 34 are integrally formed.
  • the lever 34 can be made of, for example, metal, ceramics, resin, or the like.
  • the lever 34 includes a connecting portion 34a, a contact portion 34b, and a displacement portion 34c.
  • the connection part 34a connects the contact part 34b and the displacement part 34c.
  • the contact portion 34 b includes a contact surface that is in contact with the second surface 31 b of the piezoelectric element 31.
  • the displacement part 34c is provided on the opposite side of the contact part 34b with respect to the connection part 34a in the y-axis direction.
  • a substantially cylindrical protrusion 36 is fixed to the displacement part 34c. The protrusion 36 is in contact with the cam 35.
  • the rotating member 21 rotates as the rotating shaft 13 rotates.
  • the cam 35 rotates accordingly.
  • the planar shape of the cam 35 is non-circular as described above. Therefore, the distance between the central axis of the cam 35 and the protrusion 36 changes as the cam 35 rotates. Therefore, as the cam 35 rotates, the protrusion 36 and the displacement portion 34c fixed thereto swing in the y-axis direction.
  • the lever 34 swings in the rotation direction around the rotation axis C located near the connection portion between the stopper 33 and the lever 34.
  • the contact part 34b is displaced relatively along the z-axis direction with respect to the contact part 33a.
  • the contact surface of the contact part 34b presses the second surface 31b of the piezoelectric element 31, and the piezoelectric element 31 is compressed along the z-axis direction by the contact part 33a and the contact part 34a.
  • stress is applied to the piezoelectric element 31, and electric power is generated in the piezoelectric element 31 due to the piezoelectric effect.
  • the electric power generated in the piezoelectric element 31 is supplied to the transmission unit 40 shown in FIG.
  • the transmission unit 40 transmits a signal including information on the operation of the first door knob 12a or the second door knob 12b from the antenna terminal using the electric power generated in the power generation mechanism 30.
  • the antenna terminal of the transmission unit 40 is electrically connected to the metal rotation shaft 13 via the metal rotation member 21. For this reason, the signal is wirelessly transmitted to a receiving device installed outside the door 10 using the rotary shaft 13 as an antenna.
  • the rotating shaft 13 and the rotating member 21 are made of metal and therefore have electrical conductivity, and the rotating member 21 and the rotating shaft 13 are electrically connected.
  • the rotating member 21 and the antenna terminal of the transmitter 40 are electrically connected.
  • the metal rotating shaft 13 that reaches both the first door plate 11a side and the second door plate 11b side of the door body 11 can function as an antenna. Therefore, for example, as in this embodiment, even when the door open / close detection device 1 is installed inside the door 10, the first door plate 11 a side and the second door plate 11 b side of the door 10 Both can transmit radio signals. Therefore, the door opening / closing detection device 1 can be installed inside the door 10.
  • the door opening / closing detection device 1 since the door opening / closing detection device 1 includes the power generation mechanism 30, it is not always necessary to provide a battery or an external power source. Therefore, the door opening / closing detection apparatus 1 can be used semipermanently.
  • the door opening / closing detection device 1 can be easily attached to the door 10 by inserting the rotating shaft 13 into the rotating member 21.
  • the rotation operation member is a door knob.
  • the rotation operation member is not limited to the door knob.
  • the rotation operation member may be, for example, a lever type switch, a rotary handle, or the like.
  • FIG. 4 is a schematic perspective view of the power generation mechanism 30 in the door open / close detection device according to the second embodiment of the present invention.
  • the door open / close detection device according to the second embodiment is different from the first embodiment in that an acceleration mechanism 37 is provided in the power generation mechanism 30.
  • the acceleration mechanism 37 includes a gear 37 a meshed with the rotating member 21, has at least one gear pair, accelerates the rotation of the rotating member 21, and transmits the acceleration to the stress applying mechanism 32. For this reason, for example, the rotation angle of the cam 35 when the rotation member 21 rotates together with the rotation shaft 13 is larger than the rotation angles of the rotation shaft 13 and the rotation member 21. Therefore, by providing the acceleration mechanism 37, the number of times stress is applied to the piezoelectric element 31 can be increased. Therefore, the amount of power generation can be increased without increasing the stress applied to the piezoelectric element 31.
  • the ratio of the rotation angle of the cam 35 to the rotation angle of the rotation member 21 ((rotation angle of the cam 35) / (rotation angle of the rotation member 21)) is 1 or more. It is preferable that it is 2 or more. However, if the ratio ((rotation angle of the cam 35) / (rotation angle of the rotating member 21)) is too large, the torque required to rotate the first or second door knob 12a, 12b may become too large. is there. For this reason, the ratio ((the rotation angle of the cam 35) / (the rotation angle of the rotating member 21)) is preferably 100 or less.
  • FIG. 5 is a schematic side view of a door opening / closing detection device according to a third embodiment of the present invention.
  • the door opening / closing detection device 1 may be attached to one side (the first door plate 11 a side or the second door plate 11 b side) of the door body 11. Even in such a case, since the rotary shaft 13 functions as an antenna, a radio signal can be transmitted to both the first door plate 11a side and the second door plate 11b side of the door 10.
  • the door opening / closing detection device 1 can be installed without disassembling the door body 11. For this reason, installation of the door opening / closing detection apparatus 1 becomes easier.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention fournit un dispositif de détection d'ouverture/fermeture de porte capable d'envoyer des signaux radio, et dont le degré de liberté de position d'installation est élevé. Ce dispositif de détection d'ouverture/fermeture de porte (1) consiste en un dispositif de détection de rotation de porte installé sur une porte (10) possédant : un corps principal de porte (11); un premier élément d'opération de rotation (12a); un second élément d'opération de rotation (12b); et un arbre de rotation (13) en métal qui traverse le corps principal de porte (11), et dans lequel le premier élément d'opération de rotation (12a) est connecté à une partie extrémité et le second élément d'opération de rotation (12b) à une autre partie extrémité, et les premier et second éléments d'opération de rotation (12a, 12b) sont mis en rotation de manière coordonnée. Le dispositif de détection d'ouverture/fermeture de porte (1) est équipé : d'un élément de rotation (21) en métal; d'un mécanisme de génération électrique (30); et d'une partie envoi (40). L'élément de rotation (21) exerce une rotation suivant celle de l'arbre de rotation (13). Le mécanisme de génération électrique (30) génère une électricité suivant la rotation de l'élément de rotation (21). La partie envoi (40) envoie un signal radio à l'aide de la puissance électrique produite par le mécanisme de génération électrique (30), lorsque ce dernier génère une électricité. La partie envoi (40) est équipée d'une borne d'antenne, l'arbre de rotation (13) et l'élément de rotation (21) sont électriquement connectés, et le terminal d'antenne de la partie envoi (40) et l'élément de rotation (21) sont électriquement connectés.
PCT/JP2012/080051 2011-11-30 2012-11-20 Dispositif de détection d'ouverture/fermeture de porte WO2013080840A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011262360 2011-11-30
JP2011-262360 2011-11-30

Publications (1)

Publication Number Publication Date
WO2013080840A1 true WO2013080840A1 (fr) 2013-06-06

Family

ID=48535302

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/080051 WO2013080840A1 (fr) 2011-11-30 2012-11-20 Dispositif de détection d'ouverture/fermeture de porte

Country Status (2)

Country Link
JP (1) JPWO2013080840A1 (fr)
WO (1) WO2013080840A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140252918A1 (en) * 2011-11-09 2014-09-11 Murata Manufacturing Co.,Ltd. Piezoelectric Power Generating Device
JP2015084618A (ja) * 2013-10-25 2015-04-30 株式会社村田製作所 エネルギー変換システム
JP2015215471A (ja) * 2014-05-09 2015-12-03 アルプス電気株式会社 眼鏡型電子機器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003286785A (ja) * 2003-02-26 2003-10-10 Takanari Terakawa 防犯機能付クレセントおよび防犯システム
JP2005245189A (ja) * 2004-01-26 2005-09-08 Seiko Instruments Inc 回転慣性保持発電機及びそれを用いた監視システムと監視方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61132750U (fr) * 1985-02-07 1986-08-19

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003286785A (ja) * 2003-02-26 2003-10-10 Takanari Terakawa 防犯機能付クレセントおよび防犯システム
JP2005245189A (ja) * 2004-01-26 2005-09-08 Seiko Instruments Inc 回転慣性保持発電機及びそれを用いた監視システムと監視方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140252918A1 (en) * 2011-11-09 2014-09-11 Murata Manufacturing Co.,Ltd. Piezoelectric Power Generating Device
US9350273B2 (en) * 2011-11-09 2016-05-24 Murata Manufacturing Co., Ltd. Piezoelectric power generating device having a stress applying member
JP2015084618A (ja) * 2013-10-25 2015-04-30 株式会社村田製作所 エネルギー変換システム
JP2015215471A (ja) * 2014-05-09 2015-12-03 アルプス電気株式会社 眼鏡型電子機器

Also Published As

Publication number Publication date
JPWO2013080840A1 (ja) 2015-04-27

Similar Documents

Publication Publication Date Title
WO2013080840A1 (fr) Dispositif de détection d'ouverture/fermeture de porte
JP3212776U (ja) ギアアセンブリとこれを具えるドア設置機構
JP5588999B2 (ja) 自己発電型電子錠
US10424835B2 (en) Door handle and antenna unit
JP2012026205A (ja) 車両用ドアハンドル装置
WO2020203466A1 (fr) Mécanisme de réduction et codeur absolu
JP2011017242A (ja) 電気錠
JP2012513080A (ja) スイッチを備える制御装置、制御装置ハウジング、及び制御装置用スイッチ
CN116378510A (zh) 撞击联动装置和壁内接收器
US8308203B1 (en) Rotary mechanical latch
US10352067B2 (en) Key monitoring door lock, door lock key monitoring system, and method thereof
JP5027692B2 (ja) 電気錠
FI121679B (fi) Lukon lisälaite
WO2014064992A1 (fr) Dispositif de verrouillage électrique de porte d'habitation
US9350273B2 (en) Piezoelectric power generating device having a stress applying member
WO2019169119A1 (fr) Serrure de porte électronique
CN217054706U (zh) 一种电控锁具
JP6081810B2 (ja) モータアクチュエータ
KR20180085437A (ko) 전자식 데드락
EP1951975A2 (fr) Systeme de verrouillage optimise
JP6290288B2 (ja) ギヤユニット及び電子錠
CN110984706B (zh) 智能锁具及安全门
JP4690591B2 (ja) 施錠確認装置
WO2017064785A1 (fr) Dispositif d'alarme pour porte et fenêtre
JP2020165914A (ja) アブソリュートエンコーダ

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12852875

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013547104

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12852875

Country of ref document: EP

Kind code of ref document: A1