WO2019138831A1 - Commutateur sans fil - Google Patents

Commutateur sans fil Download PDF

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Publication number
WO2019138831A1
WO2019138831A1 PCT/JP2018/046937 JP2018046937W WO2019138831A1 WO 2019138831 A1 WO2019138831 A1 WO 2019138831A1 JP 2018046937 W JP2018046937 W JP 2018046937W WO 2019138831 A1 WO2019138831 A1 WO 2019138831A1
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WO
WIPO (PCT)
Prior art keywords
unit
wireless
wireless transmission
signal
power generation
Prior art date
Application number
PCT/JP2018/046937
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English (en)
Japanese (ja)
Inventor
克也 丸茂
靖史 川島
創 梅木
順二 小端
慧介 矢野
Original Assignee
オムロン株式会社
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 オムロン株式会社 filed Critical オムロン株式会社
Publication of WO2019138831A1 publication Critical patent/WO2019138831A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits

Definitions

  • the present invention relates to a wireless switch that wirelessly transmits a signal related to the operation of a switch operated according to the operation of an operator or the contact of a member.
  • Patent Document 1 discloses an operation information wireless transmission device that eliminates the need for a power source such as a battery by providing a DC generator that generates electric power by the movement of the movable member and a wireless transmitter that operates with the electric power generated by this DC generator. It is shown.
  • such a wireless switch when an unexpected impact is applied, such as when dropped onto the floor, such a wireless switch generates an action (trigger action) similar to that during normal operation of the switch, and an unintended wireless signal is generated. May be sent out. That is, there is a possibility that the equipment may malfunction even though the operation part of the switch is not actually operated.
  • an object of the present invention is to provide a wireless switch that prevents erroneous transmission of a wireless signal due to shock.
  • a wireless switch as an example of the present disclosure is In addition to the movable part, a power generation part generating electric power according to the displacement of the movable part, and a wireless transmission part wirelessly transmitting a signal based on the power generation by the power generation part, an impact detection detecting an impact and outputting a detection signal And a wireless transmission control unit that invalidates wireless transmission of the wireless transmission unit based on the detection signal.
  • the impact detection unit includes a sensor that detects an acceleration in the displacement direction of the movable portion.
  • the wireless transmission control unit is a voltage supply control circuit that shuts off the voltage supply from the power generation unit to the wireless transmission unit according to the detection signal.
  • the configuration of the wireless transmission unit is not complicated, and the operation of the wireless transmission unit is forcibly suppressed.
  • the impact detection unit operates with the generated voltage of the power generation unit, and the voltage supply control circuit controls the voltage supply line for supplying a voltage from the power generation unit to the wireless transmission unit and the voltage supply line. And a switch element connected to the shunt to cut off the voltage supply to the wireless transmission unit by conduction. Then, the switch element conducts in response to the detection signal.
  • the voltage supply control circuit is configured with a small number of circuit elements, resulting in cost reduction.
  • the wireless transmission unit receives the voltage from the power generation unit, and the wireless transmission control unit invalidates the operation of the wireless transmission unit in response to the detection signal.
  • a wireless switch as an example of the present disclosure is Radio transmission of wirelessly transmitting a signal according to detection of an impact by the power generation by the movable portion, a power generation portion that generates electric power according to the displacement of the movable portion, an impact detection portion that detects an impact, and the power generation by the power generation portion And a wireless reception control unit that receives a signal wirelessly transmitted from the wireless transmission unit, and invalidates control based on reception of the wirelessly transmitted signal when the signal is a signal by detection of impact. Prepare.
  • FIG. 1 is a view showing the appearance of a wireless switch 101 according to an embodiment of the present invention.
  • FIG. 2 is a block diagram showing the configuration of the wireless switch 101.
  • FIG. 3 is a diagram showing a circuit configuration of the wireless switch 101 of the present embodiment.
  • FIG. 4 is a diagram showing a more specific circuit configuration of the wireless switch 101 of the present embodiment.
  • FIG. 5 is a waveform diagram of the generated voltage of the power generation unit of the wireless switch 101 and the consumption current of the wireless transmission unit 2.
  • FIG. 6 is a waveform diagram showing an operation when the wireless switch 101 receives an impact.
  • FIG. 7 is a block diagram showing a configuration of a wireless switch 102 different from the wireless switch shown in FIG. FIGS.
  • FIG. 8A and 8B are diagrams each showing an example of a circuit configuration of the wireless switch 102.
  • FIG. FIG. 9 is a waveform diagram showing an operation when the wireless switch 102 receives an impact.
  • FIG. 10 is a block diagram showing the configuration of the wireless switch 103.
  • FIG. 11 is a waveform diagram showing an operation when the wireless switch 103 receives an impact.
  • FIG. 12 is a flowchart showing the operation contents of the wireless transmission unit of the wireless switch 103.
  • FIG. 13 is a flowchart showing the operation of the wireless reception unit of the wireless switch 103.
  • FIG. 14 is a waveform diagram showing an operation when the wireless switch 103 receives an impact.
  • FIG. 15 is a flowchart showing the operation content of the wireless reception unit shown in FIG.
  • FIG. 1 is a view showing the appearance of a wireless switch 101 according to an embodiment of the present invention.
  • the wireless switch 101 includes a housing and a push button-like operation unit 10 movably held by the housing.
  • the switch operation is performed by pressing the operation unit 10 in the Z-axis direction.
  • the operation unit 10 is an example of the "movable portion" according to the present invention.
  • the wireless switch 101 includes a power generation unit that generates power in response to the operation of the operation unit, a wireless transmission unit that wirelessly transmits a signal based on the power generation by the power generation unit, and shock detection that detects a shock and outputs a detection signal. And a wireless transmission control unit that invalidates wireless transmission of the wireless transmission unit based on the detection signal.
  • the power generation unit may generate power due to the impact.
  • the erroneous wireless transmission is invalidated by the detection signal output from the impact detection unit.
  • FIG. 2 is a block diagram showing the configuration of the wireless switch 101.
  • the wireless switch 101 detects an impact based on the operation unit 10, the power generation unit 1 generating power in response to the operation of the operation unit 10, the wireless transmission unit 2 wirelessly transmitting a signal based on the power generation by the power generation unit 1, An impact detection unit 4 that outputs a detection signal, and a wireless transmission control unit 3 that invalidates wireless transmission of the wireless transmission unit 2 based on the detection signal.
  • the power (voltage) generated by the power generation unit 1 is supplied to the wireless transmission unit 2 by the operation of the operation unit 10, and the wireless transmission unit 2 transmits a wireless signal.
  • a detection signal is output if the impact detection unit 4 detects the impact.
  • the wireless transmission control unit 3 receives the detection signal, the wireless transmission control unit 3 invalidates the operation of the wireless transmission unit 2.
  • FIG. 3 is a diagram showing a circuit configuration of the wireless switch 101 of the present embodiment.
  • the wireless switch 101 includes an impact detection circuit 40, a switch element 32, a diode D1, and the like in addition to the power generation unit 1 and the wireless transmission unit 2.
  • the operation of the power generation unit 1 is as described above.
  • the diode D1 rectifies the voltage output from the power generation unit 1 and supplies a power supply voltage to the wireless transmission unit 2 and the like.
  • the power generation unit 1 generates a voltage of reverse polarity when the operation unit 10 returns with spring force after pressing the operation unit 10, a voltage of reverse polarity is output to the voltage supply lines 31H and 31L of the diode D1.
  • the wireless transmission unit 2 operates using the power supply voltage as a power supply, and wirelessly transmits a signal.
  • the shock detection circuit 40 outputs a detection signal to the switch element 32 when a shock is detected.
  • the switch element 32 is turned on by this detection signal.
  • the impact detection circuit 40 corresponds to the impact detection unit 4 shown in FIG. 2, and the switch element 32 corresponds to the wireless transmission control unit 3 shown in FIG.
  • the switch element 32 is in the off state, when the operation unit 10 is operated, the power supply voltage by the power generation of the power generation unit 1 is supplied to the wireless transmission unit 2 (a normal current flows as shown in FIG. ), The wireless transmission unit 2 transmits a wireless signal.
  • the impact detection unit 4 detects the impact and outputs a detection signal. That is, the switch element 32 is turned on. Since the switch element 32 is connected to a shunt between the voltage supply lines 31H and 31L, when the switch element 32 is turned on, a shock detection current shown in FIG. 3 flows to supply the power supply voltage to the wireless transmission unit 2 Is cut off. By this, the operation of the wireless transmission unit 2 is invalidated.
  • the switch element 32 is an example of the “voltage supply control circuit” according to the present invention.
  • FIG. 4 is a diagram showing a more specific circuit configuration of the wireless switch 101 of the present embodiment.
  • the shock detection circuit 40 includes a shock sensor 41, an amplifier 42, a resistance element R1, a capacitor C1, and the like.
  • the shock sensor 41 is an electronic component that converts an impact (acceleration) into an electrical signal by using, for example, the piezo effect.
  • the shock sensor 41 particularly detects the acceleration in the pressing direction of the operation unit 10.
  • the amplifier 42 is an operational amplifier for charge amplification, and an amplifier circuit is configured by the amplifier 42 and the resistor element R1 and the capacitor C1 inserted in the negative feedback path.
  • a negative pulse voltage is output from the shock sensor 41, a positive pulse voltage is output from the amplifier 42, and the switch element 32 is turned on.
  • FIG. 5 is a waveform diagram of the generated voltage of the power generation unit of the wireless switch 101 and the consumption current of the wireless transmission unit 2.
  • a waveform G is a generated voltage waveform of the power generation unit 1
  • a waveform C is a current consumption waveform of the wireless transmission unit 2.
  • power generation is started at time t0, and wireless transmission is performed at time t1.
  • the shock sensor 41 is a sensor based on, for example, a micro electro mechanical system (MEMS)
  • MEMS micro electro mechanical system
  • the delay in the amplification circuit by the amplifier 42 is substantially dominant.
  • the delay time from the above t0 to t1 is, for example, several ms. It is feasible to set the delay time until the detection signal is output from the impact detection circuit 40 within several ms.
  • FIG. 6 is a waveform diagram showing an operation when the wireless switch 101 receives an impact.
  • the power generation unit When an impact occurs at time t0, the power generation unit generates power, but at time t1, a detection signal is output from the impact detection unit. Therefore, the power supply voltage is applied to the wireless transmission unit 2 only for the time from t0 to t1. Moreover, the power supply voltage applied to the wireless transmission unit 2 in this period is a low voltage until the maximum value is reached. As a result, no operable power supply voltage is supplied to the wireless transmission unit 2 and no wireless signal is transmitted. Thus the receiver does not operate.
  • FIG. 7 is a block diagram showing a configuration of a wireless switch 102 different from the wireless switch shown in FIG.
  • the configurations of the wireless transmission unit 2 and the wireless transmission control unit 3 are different from those shown in FIG.
  • the wireless transmission unit 2 directly receives the voltage from the power generation unit 1. Then, the wireless transmission control unit 3 invalidates the operation of the wireless transmission unit 2 in response to the detection signal output from the impact detection unit 4.
  • the wireless transmission unit 2 and the wireless transmission control unit 3 constitute a wireless unit 20. That is, normally, the wireless unit 20 receives the power supply voltage generated by the power generation unit 1 and performs wireless transmission, but when the impact detection unit 4 outputs a detection signal, wireless transmission is not performed.
  • the wireless switch 102 includes a power generation unit 1, a wireless unit 20, an impact detection circuit 40, a switch element 32, a resistance element R2, a diode D1, and the like.
  • the operations of the power generation unit 1, the diode D1, and the shock detection circuit 40 are as described above.
  • the wireless unit 20 performs wireless transmission when the power supply voltage is received and the potential of the state confirmation signal input unit P1 is "valid". Further, even if the wireless unit 20 receives the power supply voltage, the wireless transmission is not performed if the potential of the state confirmation signal input unit P1 is "invalid".
  • the switch element 32 Since the output voltage of the impact detection circuit 40 is 0 V in a state where an impact is not detected, the switch element 32 is off. As a result, the potential of the state confirmation signal input unit P1 of the wireless unit 20 becomes high level ("valid"). When the impact detection circuit 40 detects an impact, a positive voltage is output, and the switch element 32 is turned on. As a result, the potential of the state confirmation signal input unit P1 of the wireless unit 20 becomes low level ("invalid").
  • the wireless switch 102 includes the power generation unit 1, the wireless unit 20, an impact detection circuit 40, and the like.
  • the operations of the power generation unit 1, the diode D1, and the shock detection circuit 40 are as described above.
  • the output voltage of the shock detection circuit 40 is 0 V, so the potential of the state confirmation signal input unit P1 of the wireless unit 20 becomes low level ("valid").
  • the impact detection circuit 40 detects an impact, a positive voltage is output, and the potential of the state confirmation signal input unit P1 of the wireless unit 20 becomes high level (“invalid").
  • FIG. 9 is a waveform diagram showing an operation when the wireless switch 102 receives an impact.
  • the power generation unit When there is an impact at time t0, the power generation unit generates power, but when the impact detection unit outputs a detection signal at time t1, the wireless transmission unit 2 does not transmit a wireless signal, and the receiver does not operate.
  • FIG. 10 is a block diagram showing the configuration of a wireless switch 103 whose configuration is further different from that of the wireless switches described above.
  • the wireless switch 103 includes a transmitting unit that transmits a wireless signal and a receiving unit that receives a wireless signal.
  • the transmission unit includes a power generation unit 1, a diode D 1, a shock detection circuit 40, and a radio unit 20.
  • the receiving unit includes the wireless receiving unit 5 and the control unit 6.
  • the configuration of the shock detection circuit 40 is the same as the shock detection circuit 40 shown in FIG.
  • the impact detection circuit 40 detects an impact and outputs a detection signal to the state confirmation signal input unit P1 of the wireless unit 20.
  • the wireless unit 20 wirelessly transmits a signal indicating the state of the state confirmation signal input unit P1.
  • the wireless reception unit 5 detects a signal indicating the state of the state confirmation signal input unit P1 from the reception signal.
  • the wireless reception unit 5 controls the control unit 6 according to a signal indicating the state of the state confirmation signal input unit P1.
  • the wireless switch 103 supplies the power supply voltage generated by the power generation unit 1 to the wireless unit 20, so the wireless unit 20 transmits a normal wireless signal.
  • the control unit 6 performs normal control.
  • FIG. 11 is a waveform diagram showing an operation when the wireless switch 103 receives an impact.
  • the power generation unit 1 When an impact occurs at time t0, the power generation unit 1 generates power, and the wireless unit 20 transmits a normal wireless signal.
  • the impact detection unit outputs a detection signal at time t1, so that the wireless unit 20 detects an impact. Transmit the signal wirelessly.
  • the wireless reception unit 5 shown in FIG. 10 receives this shock detection signal, the above-described normal control is not performed. That is, a malfunction due to impact is prevented.
  • FIG. 12 is a flowchart showing the operation content of the wireless transmission unit of the wireless switch 103
  • FIG. 13 is a flowchart showing the operation content of the wireless reception unit of the wireless switch 103.
  • the wireless transmission unit transmits a wireless signal when activated (S11), and thereafter wirelessly transmits an impact detection signal if a detection signal is output from the impact detection unit (S12 ⁇ S13) .
  • the wireless receiving unit first receives a wireless signal (S21), and thereafter determines whether or not an impact detection signal is received, and performs predetermined control if no impact detection signal is received (S22 ⁇ S23) ). If an impact detection signal is received, the process is ended (S22 ⁇ END).
  • the normal radio signal and the shock detection signal are separated and transmitted, but they are transmitted as a single radio signal and the receiver side Control may be switched between valid / invalid according to the content of the received signal.
  • 14 and 15 show an example in that case.
  • FIG. 14 is a waveform diagram showing an operation when the wireless switch 103 receives an impact.
  • the power generation unit 1 When an impact occurs at time t0, the power generation unit 1 generates power, and the wireless unit 20 transmits a wireless signal.
  • the wireless signal is a signal corresponding to the presence or absence of the detection signal output from the impact detection unit.
  • FIG. 15 is a flow chart showing the operation contents of the wireless reception unit 5 shown in FIG.
  • the wireless reception unit 5 determines whether the received signal is an impact detection signal (S31 ⁇ S32). If the received signal is not a shock detection signal, normal control is performed (S32 ⁇ S33). If the received signal is an impact detection signal, the above-described normal control is not performed (S32 ⁇ END). This prevents a malfunction due to impact.
  • FIG. 1 shows a wireless switch having a push button type operation unit operated by the operator, it may be similarly applied to a wireless switch or the like in which a movable portion is displaced due to contact of a limit switch dog, for example. Applicable
  • a sensor for detecting the acceleration other than one using the piezo effect, for example, a change in capacitance may be detected.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)

Abstract

L'invention concerne un commutateur sans fil (101) qui comprend : une partie mobile ; une unité de génération d'électricité (1) qui génère de l'électricité avec le déplacement de la partie mobile ; et une unité de transmission sans fil (2) qui, sur la base de la génération d'électricité par l'unité de génération d'électricité (1), transmet sans fil un signal. Le commutateur sans fil (101) comprend en outre une unité de détection de choc qui détecte un choc et délivre en sortie un signal de détection, et une unité de commande de transmission sans fil qui désactive une transmission sans fil par l'unité de transmission sans fil (2) par le signal de détection. Par exemple, lorsqu'un circuit de détection de choc (40) détecte un choc, un élément de commutation (32) est activé pour couper l'alimentation de la tension d'alimentation électrique à l'unité de transmission sans fil (2).
PCT/JP2018/046937 2018-01-15 2018-12-20 Commutateur sans fil WO2019138831A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018003902A JP7000869B2 (ja) 2018-01-15 2018-01-15 無線スイッチ
JP2018-003902 2018-01-15

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WO2019138831A1 true WO2019138831A1 (fr) 2019-07-18

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PCT/JP2018/046937 WO2019138831A1 (fr) 2018-01-15 2018-12-20 Commutateur sans fil

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JP (1) JP7000869B2 (fr)
TW (1) TWI678720B (fr)
WO (1) WO2019138831A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7100754B1 (ja) * 2021-11-30 2022-07-13 アルインコ株式会社 音声入力装置、無線通信装置セット及び電子機器セット

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7237897B2 (ja) * 2020-08-14 2023-03-13 株式会社エコー総合企画 無線スイッチ装置及び制御システム

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JP2004324227A (ja) * 2003-04-24 2004-11-18 Denso Corp 遠隔操作用の携帯機
JP2011216947A (ja) * 2010-03-31 2011-10-27 Icom Inc 電子機器
JP3211352U (ja) * 2017-04-25 2017-07-06 株式会社エコー総合企画 ワイヤレス送信機

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TW201109909A (en) * 2009-09-04 2011-03-16 Kye Systems Corp Power-saving management method for computer peripheral device and system thereof
EP2806654B1 (fr) * 2012-01-20 2019-09-04 FINEWELL Co., Ltd. Téléphone portable présentant une section de conduction par cartilage
JP5606655B1 (ja) * 2012-12-27 2014-10-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 情報通信方法
WO2015087537A1 (fr) * 2013-12-12 2015-06-18 パナソニックＩｐマネジメント株式会社 Dispositif de production d'énergie par vibration, dispositif de surveillance de vibration et système

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Publication number Priority date Publication date Assignee Title
JP2004324227A (ja) * 2003-04-24 2004-11-18 Denso Corp 遠隔操作用の携帯機
JP2011216947A (ja) * 2010-03-31 2011-10-27 Icom Inc 電子機器
JP3211352U (ja) * 2017-04-25 2017-07-06 株式会社エコー総合企画 ワイヤレス送信機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7100754B1 (ja) * 2021-11-30 2022-07-13 アルインコ株式会社 音声入力装置、無線通信装置セット及び電子機器セット

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JP2019125872A (ja) 2019-07-25
TWI678720B (zh) 2019-12-01
TW201933406A (zh) 2019-08-16
JP7000869B2 (ja) 2022-01-19

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