WO2014163191A1 - 施開錠検知装置 - Google Patents
施開錠検知装置 Download PDFInfo
- Publication number
- WO2014163191A1 WO2014163191A1 PCT/JP2014/060001 JP2014060001W WO2014163191A1 WO 2014163191 A1 WO2014163191 A1 WO 2014163191A1 JP 2014060001 W JP2014060001 W JP 2014060001W WO 2014163191 A1 WO2014163191 A1 WO 2014163191A1
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- WIPO (PCT)
- Prior art keywords
- unlocking
- vibration
- detection unit
- locking
- unit
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
-
- 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
- E05B45/08—Electric alarm locks with contact making inside the lock or in the striking plate
- E05B45/12—Electric alarm locks with contact making inside the lock or in the striking plate by movement of the bolt
-
- 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
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/02—Automatic catches, i.e. released by pull or pressure on the wing
-
- 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
- E05B2045/063—Electric alarm locks by movement of the wing
-
- 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
- E05B2045/065—Switch or sensor type used in alarm locks
-
- 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
- E05B2047/0067—Monitoring
- E05B2047/0068—Door closed
-
- 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
- E05B2047/0067—Monitoring
- E05B2047/0069—Monitoring bolt position
-
- 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
- E05B2047/0072—Operation
Definitions
- the present invention relates to a locking / unlocking detection device that detects locking / unlocking of an opening / closing part.
- Patent Document 1 A device that detects the locking / unlocking of opening / closing parts such as doors and windows has been proposed (for example, Patent Document 1).
- the device described in Patent Literature 1 transmits a signal when the state detection switch is in the ON state, and a state detection switch (mechanical or magnetic type) that is turned on or off as the deadbolt of the door lock advances or retreats.
- a second antenna that receives a signal from the first antenna.
- the first antenna is provided around the door frame.
- the second antenna is provided on the ceiling or wall.
- the installation work of device components is complicated, and the cost of the installation work is high.
- a lock provided with a dead bolt does not have a wide variety of operating mechanisms. Therefore, in order to appropriately switch between the ON state and the OFF state of the state detection switch as the dead bolt advances and retreats, it is necessary to adjust the positional relationship between the state detection switch and the dead bolt for each type of lock. . Further, the positional relationship between the seat (troyoke) and the dead bolt varies depending on the installation work conditions of the opening / closing part. Therefore, it is necessary to adjust the positional relationship between the state detection switch and the dead bolt for each lock. Furthermore, in order to install the first antenna and the second antenna, a large-scale construction is required, and the construction cost becomes high.
- the present invention has been made in view of the above circumstances, and an object thereof is to provide a lock / unlock detection device that can be easily installed.
- an unlocking detection device comprises: A first magnet attached to an opening / closing part locked and unlocked by a locking mechanism; A vibration detection unit that is attached to a base part that supports the opening / closing part so as to be openable and closable, and detects vibration of the base part; A magnetic detection unit attached to the base for detecting the magnetism of the first magnet; A first housing attached to the base and covering the vibration detection unit and the magnetic detection unit; An unlocking / unlocking detecting unit for detecting unlocking / unlocking of the opening / closing unit from the vibration detected by the vibration detecting unit and the magnetism detected by the magnetic detecting unit; It is characterized by that.
- the unlocking detection device A first magnet attached to an opening / closing part locked and unlocked by a locking mechanism; A magnetic detection unit that is attached to a base that supports the opening and closing unit so as to be opened and closed, and that detects the magnetism of the first magnet; A first housing having a countersink and attached to the base to cover the magnetic detection unit; A vibration detection unit that is attached to the counterbore and detects the vibration of the base; An unlocking / unlocking detecting unit for detecting unlocking / unlocking of the opening / closing unit from the vibration detected by the vibration detecting unit and the magnetism detected by the magnetic detecting unit; It is characterized by that.
- the lock / unlock detection device can be easily installed.
- FIG. It is a schematic diagram which shows the locking / unlocking detection apparatus which concerns on Embodiment 1.
- FIG. It is a schematic diagram which shows the locking / unlocking detection apparatus which concerns on Embodiment 2.
- FIG. It is sectional drawing which shows the outline of the internal structure of the housing
- FIG. It is sectional drawing which shows the outline of the internal structure of the housing
- FIG. It is a schematic diagram which shows the locking / unlocking detection apparatus which concerns on Embodiment 4.
- FIG. 10 is a schematic diagram showing a locking / unlocking detection apparatus according to a fifth embodiment. It is sectional drawing which shows the outline of the internal structure of the housing
- FIG. 10 is a schematic diagram showing a locking / unlocking detection apparatus according to a fifth embodiment. It is sectional drawing which shows the outline of the internal structure of the housing
- FIG. 10 is a schematic diagram showing a locking / unlocking detection apparatus according to a seventh embodiment.
- FIG. 10 is a cross-sectional view illustrating an outline of an internal structure of a housing of a locking / unlocking detection apparatus according to an eighth embodiment. It is sectional drawing which shows the outline of the internal structure of the housing
- FIG. It is a figure which shows the detection result of locking / unlocking.
- FIG. 1 shows a locking / unlocking detection apparatus 10A according to the present embodiment.
- the locking / unlocking detection apparatus 10 ⁇ / b> A detects locking / unlocking of the opening / closing part 100 that is locked / unlocked by the locking mechanism 110.
- the opening / closing part 100 is, for example, a door.
- the opening / closing part 100 is supported by the base 101 so as to be opened and closed.
- the base 101 is, for example, a wall or a door frame provided on the wall.
- the lock / unlock detection device 10 ⁇ / b> A includes a vibration detection unit 11, a permanent magnet 12, a magnetic detection unit 13, a lock / unlock detection unit 14, and a housing 15.
- the vibration detection unit 11 directly contacts the base 101 and detects the vibration of the base 101. Further, the vibration detection unit 11 may detect the vibration of the base 101 by contacting the base 101 via the housing 15.
- the permanent magnet 12 is attached to the opening / closing part 100.
- the magnetic detection unit 13 is attached to the base 101.
- the magnetic detector 13 detects the magnetism of the permanent magnet 12.
- the locking / unlocking detection unit 14 detects the locking / unlocking of the opening / closing unit 100 by the locking mechanism 110 from the vibration of the base 101 detected by the vibration detection unit 11 and the magnetism of the permanent magnet 12 detected by the magnetic detection unit 13.
- the housing 15 is attached to the base 101.
- the housing 15 covers the vibration detection unit 11 and the magnetic detection unit 13.
- the housing 15 may cover the magnetic detection unit 13, and the vibration detection unit 11 may be attached to a countersink formed in the housing 15.
- the constituent members are simply installed on the opening / closing section 100 such as a door or window and the base 101 such as a door frame or wall. Installation does not require extensive construction. Therefore, the locking / unlocking detection device 10A can be easily installed at low cost.
- the vibration detection unit 11 since the vibration detection unit 11 is in direct contact with the base 101 and is covered with the casing 15, the vibration detected by the vibration detection unit 11 does not include vibration due to the mechanical characteristics of the casing 15. That is, the vibration detection unit 11 can detect vibration caused only by the action generated by the opening / closing unit 100 and the locking mechanism 110. Therefore, the locking / unlocking detection apparatus 10A can detect the locking / unlocking by the locking mechanism 110 with high accuracy.
- the durability of the locking / unlocking detection device 10A is improved. Even when the casing 15 covers the magnetic detection section 13 and the vibration detection section 11 is attached to the countersink formed in the casing 15, it does not require a large-scale construction and is inexpensive and simple. An unlocking detection device 10A can be installed.
- FIG. 2 is a schematic diagram showing the locking / unlocking detection apparatus 10B.
- FIG. 3 is a cross-sectional view schematically showing the internal structure of the housing 15.
- the opening / closing part 100 is supported by a frame 102 provided on the wall part 103 so as to be opened and closed. As shown in FIG.
- the lock / unlock detection device 10 ⁇ / b> B includes a vibration detection unit 11, a permanent magnet 12, a magnetic detection unit 13, a lock / unlock detection unit 14, a housing 15, a communication unit 16, A power supply unit 17, a processing-side casing 18, and a cable 19 are provided.
- the vibration detection unit 11 includes a vibration sensor.
- a vibration sensor a measurement method such as a capacitance method, an eddy current method, a laser Doppler method, or a piezoelectric element can be adopted.
- the vibration sensor outputs a signal including a signal component representing the measured vibration.
- the vibration detection unit 11 is directly attached to the frame 102 by, for example, an adhesive tape 23.
- the vibration detection unit 11 detects vibration generated by locking the locking mechanism 110 and vibration generated by unlocking by detecting the vibration of the frame body 102. For example, when the locking mechanism 110 provided in the opening / closing part 100 is locked or unlocked, members constituting the locking mechanism 110 (for example, a receiving hole provided in the seat and a dead bolt) contact or rub against each other.
- Vibration occurs in the locking mechanism 110 due to such contact between members or friction.
- the vibration detection unit 11 detects the vibration propagated from the locking mechanism 110 to the frame body 102 by detecting the vibration of the frame body 102, and represents the vibration generated by the locking of the locking mechanism 110 or the vibration generated by the unlocking.
- a signal including the signal component is output to the locking / unlocking detection unit 14.
- the permanent magnet 12 is attached to the opening / closing part 100 so as to face the magnetic detection part 13 in a state where the opening / closing part 100 is closed.
- the permanent magnet 12 is separated from the magnetic detection unit 13 when the opening / closing unit 100 is opened, and faces the magnetic detection unit 13 when the opening / closing unit 100 is closed.
- the permanent magnet 12 is attached to the opening / closing part 100 by, for example, a double-sided adhesive tape, an adhesive, or a screw. Further, the permanent magnet 12 may be covered with a metal, a resin, or the like except for a portion facing the magnetic detection unit 13.
- the magnetic detection unit 13 is housed in the housing 15.
- the magnetic detection unit 13 is attached to the frame 102 by attaching the housing 15 to the frame 102.
- the magnetic detection unit 13 may be directly attached to the frame body 102.
- the magnetic detection unit 13 includes a permanent magnet 131 facing the permanent magnet 12 and a reed switch 132 when the opening / closing unit 100 is closed.
- the reed switch 132 outputs a signal indicating whether the permanent magnet 12 and the permanent magnet 131 are in a facing state (or a close state) or a separated state.
- the reed switch 132 operates when a large magnetic field is applied when the opening / closing unit 100 is closed and the permanent magnet 131 and the permanent magnet 12 face each other, and outputs, for example, a LOW signal to the locking / unlocking detection unit 14.
- the reed switch 132 stops when the opening / closing part 100 is opened and the permanent magnet 131 and the permanent magnet 12 are separated from each other, and outputs, for example, a HIGH signal to the locking / unlocking detection part 14.
- the housing 15 houses the permanent magnet 131 and the reed switch 132 of the magnetic detection unit 13 as shown in FIG. Moreover, the housing
- the housing 15 is attached to the frame body 102 so that the vibration detection unit 11 is disposed in the opening 15 a and covers the vibration detection unit 11.
- the permanent magnet 131 and the reed switch 132 of the magnetic detection unit 13 may be directly attached to the frame body 102, disposed in the opening 15 a similarly to the vibration detection unit 11, and covered with the housing 15. It is preferable that there is a gap between the vibration detection unit 11 and the housing 15.
- the housing 15 is made of, for example, metal or resin.
- casing 15 is attached to the frame 102, for example by a double-sided adhesive tape, an adhesive agent, a screw stop.
- the housing 15 preferably has a through hole 15b that exposes the vibration detection unit 11. Since the pressing force of the vibration detector 11 can be adjusted by the dedicated push-pull gauge through the through hole 15b, it is possible to avoid a decrease in measurement accuracy due to variations in the pressing force.
- a cover that covers the through hole 15b so as to be opened and closed may be provided on the housing 15. Moreover, it is preferable that the through-hole 15b is smaller than the vibration detection part 11 so that a part of vibration detection part 11 may be exposed.
- the lock / unlock detection unit 14 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an external storage device, and the like.
- the locking / unlocking detection unit 14 determines the locking / unlocking state of the opening / closing unit 100 from the signals output from the vibration detection unit 11 and the magnetic detection unit 13, and detects the locking / unlocking of the opening / closing unit 100. For example, the locking / unlocking detection unit 14 determines whether the opening / closing unit 100 is open or closed based on a signal output from the magnetic detection unit 13.
- the unlocking / unlocking detection unit 14 When it is determined that the opening / closing unit 100 is in an open state (when a LOW signal is received from the reed switch 132), the unlocking / unlocking detection unit 14 is connected to the opening / closing unit 100 regardless of the signal output from the vibration detection unit 11. It is determined that the lock is unlocked, and unlock is detected. On the other hand, when the lock detection unit 14 determines that the opening / closing unit 100 is in a closed state from the signal output from the magnetic detection unit 13 (when receiving a HIGH signal from the reed switch 132), the vibration detection unit 11 The locked state and the unlocked state of the opening / closing unit 100 are determined from the output signal, and the locking / unlocking of the opening / closing unit 100 is detected.
- the locking / unlocking detection unit 14 extracts a signal in a specific frequency band (hereinafter, a determination target signal) stored in advance by frequency-decomposing the signal output from the vibration detection unit 11.
- the specific frequency band is, for example, a structure system (a system including the locking mechanism 110, the opening / closing part 100, the frame body 102, etc.) configured by a structure that exists until the vibration of the locking mechanism 110 propagates to the vibration detection unit 11. It is a frequency band including the natural frequency of.
- the unlocking detection unit 14 may convert the analog signal into a digital signal using a sampling frequency.
- the lock / unlock detection unit 14 determines that the opening / closing unit 100 is in the locked state when the vibration acceleration of the determination target signal is larger than the vibration acceleration threshold T1 generated by the lock stored in advance. On the other hand, when the vibration acceleration of the determination target signal is larger than the threshold value T2 of vibration acceleration generated by unlocking stored in advance, the unlocking / unlocking detection unit 14 determines that the opening / closing unit 100 is in the unlocked state.
- the locking / unlocking detection unit 14 outputs a signal representing a detection result to the communication unit 16 when detecting the locking state or the unlocking state of the opening / closing unit 100.
- the determination of the locked state and the unlocked state may be performed based on a plurality of conditions.
- the locked state (or It may be determined that the state is unlocked.
- the communication unit 16 includes a communication interface that cooperates with the CPU, an antenna, and the like.
- the communication unit 16 communicates with the outside via a network line.
- the communication part 16 transmits the detection result by the locking / unlocking detection part 14 to the outside.
- the communication unit 16 transmits the detection result to a user terminal, a security company terminal, a controller that sets a security mode, and the like.
- the power supply unit 17 supplies power to the components of the lock / unlock detection device 10B such as the lock / unlock detection unit 14 and the communication unit 16.
- the power supply unit 17 is, for example, a battery.
- the power supply unit 17 may supply power to the constituent members by connecting to an external power supply.
- the processing side housing 18 accommodates the locking / unlocking detection unit 14, the communication unit 16, and the power supply unit 17.
- casing 18 is comprised from a metal and resin, for example.
- the processing-side casing 18 is attached to the wall 103 (or the frame 102) with, for example, a double-sided adhesive tape, an adhesive, or a screw.
- the cable 19 connects the vibration detection unit 11 and the lock / unlock detection unit 14, and the magnetic detection unit 13 and the lock / unlock detection unit 14.
- the cable 19 is fixed to the frame body 102 by a cable fastener, for example. Note that the cable 19 may be wound around the frame body 102 and not fixed.
- the lock / unlock detection apparatus 10B has the same effects as the lock / unlock detection apparatus 10A according to the first embodiment. Moreover, since the housing
- the locking / unlocking detection apparatus 10B includes the communication unit 16, it is possible to notify the user of the detection result of locking / unlocking. As a result, it is possible to confirm locking when going out and early response to unlocking by an intruder, which improves user convenience.
- an effective crime prevention system can be constructed by notifying the terminal of the security company, the controller for setting the security mode, etc. of the detection result of the locking / unlocking by the locking / unlocking detection apparatus 10B.
- the communication unit 16 may receive data from the outside. In this case, when receiving a detection result transmission request from the outside, the communication unit 16 transmits the detection result to the outside.
- the unlocking / unlocking detection apparatus 10B can suppress power consumption. Further, when the user wants to confirm the locking / unlocking of the opening / closing part 100, the detection result of the locking / unlocking detecting device 10B can be obtained, so that the convenience for the user is further improved.
- the communication between the communication unit 16 and the outside may be wireless communication or wired communication.
- FIG. 4 is a cross-sectional view showing an outline of the internal structure of the casing 15 of the locking / unlocking detection apparatus 10C.
- the housing 15 is attached to the frame body 102 via the vibration damping body 20.
- the vibration damping body 20 is made of, for example, a silicon resin material or a urethane resin material. Further, the vibration attenuating body 20 is fixed to the housing 15 and the frame body 102 by, for example, a double-sided adhesive tape or an adhesive.
- FIG. 4 is a schematic diagram showing the locking / unlocking detection apparatus 10D.
- FIG. 6 is a cross-sectional view showing an outline of the internal structure of the housing 15 of the locking / unlocking detection apparatus 10D.
- the communication unit 16, the power supply unit 17, the processing side case 18, and the like are not shown.
- the magnetic body 21 ⁇ / b> A is disposed between the permanent magnet 131 of the magnetic detection unit 13 and the vibration detection unit 11.
- the shape of the magnetic body 21A is a rectangular parallelepiped.
- the magnetic body 21 ⁇ / b> A separates the permanent magnet 131 and the vibration detection unit 11.
- the magnetic body 21A is arranged such that the distance between the magnetic body 21A and the permanent magnet 131 (L1 in FIG. 5) is smaller than the distance between the magnetic body 21A and the vibration detector 11 (L2 in FIG. 5). It is preferable (L1 ⁇ L2).
- the magnetic body 21 ⁇ / b> A By arranging the magnetic body 21 ⁇ / b> A between the permanent magnet 131 and the vibration detection unit 11, it is possible to suppress the magnetic fields of the permanent magnets 12 and 131 from acting on the vibration detection unit 11. Thereby, the measurement accuracy of the vibration detector 11 is improved. Further, by arranging the magnetic body 21 ⁇ / b> A so that L ⁇ b> 1 ⁇ L ⁇ b> 2, it is possible to more effectively suppress the magnetism of the permanent magnets 12 and 131 from acting on the vibration detection unit 11.
- the magnetic body 21A is housed in the housing 15 (FIG. 6), but may be directly attached to the frame body 102.
- the magnetic body 21 ⁇ / b> A may be a magnetic body that is disposed between the permanent magnet 131 and the vibration detection unit 11, collects the magnetic fluxes of the permanent magnets 12 and 131, and shields the magnetism.
- a rectangular-shaped (hollow rectangular parallelepiped) magnetic body 21 ⁇ / b> B surrounding the vibration detection unit 11 may be disposed between the permanent magnet 131 and the vibration detection unit 11. .
- a U-shaped magnetic body 21 ⁇ / b> C separating the permanent magnet 131 and the vibration detection unit 11 may be disposed between the permanent magnet 131 and the vibration detection unit 11. Also in this case, the measurement accuracy of the vibration detector 11 is improved. Note that the magnetic bodies 21A to 21C may cover the upper portion of the vibration detecting unit 11, as shown in FIG.
- FIG. 10 is a schematic diagram showing the locking / unlocking detection apparatus 10E.
- FIG. 11 is a cross-sectional view showing an outline of the internal structure of the housing 150 of the locking / unlocking detection apparatus 10E.
- the housing 150 has a countersink part (bottom recessed part) 150a for attaching the vibration detection part 11.
- the vibration detection unit 11 is disposed in the counterbore 150a.
- the vibration detection unit 11 is attached to the frame body 102 via the housing 150.
- a large-scale construction is not required, and the lock / unlock detection device 10E can be easily installed at a low cost.
- the pressing force of the vibration detecting unit 11 can be adjusted with the dedicated push-pull gauge via the counterbore 150a, it is possible to avoid a decrease in measurement accuracy due to variations in the pressing force.
- FIG. 12 is a cross-sectional view showing an outline of the internal structure of the casing 150 of the locking / unlocking detection apparatus 10F.
- the vibration damping body 20 ⁇ / b> B is disposed between the vibration detection unit 11 and the housing 150 except for the attachment surface between the vibration detection unit 11 and the housing 150. That is, the vibration attenuator 20 ⁇ / b> B is provided on the side surface of the vibration detector 11. Thereby, it is prevented that the vibration detection part 11 detects vibrations other than the vibration produced in the locking mechanism 110, and the detection accuracy of the vibration detection part 11 improves.
- the vibration damping body 20B is made of, for example, a silicon-based resin material or a urethane-based resin material.
- the vibration attenuating body 20B is attached between the vibration detection unit 11 and the housing 150 by a double-sided adhesive tape, an adhesive, or the like.
- the locking / unlocking detection apparatus 10G is different from the second embodiment in that it includes a breakage detection unit 22.
- the breakage detection unit 22 detects breakage and destruction of the opening / closing unit 100 and its surroundings from the vibration detected by the vibration detection unit 11. For example, the breakage detection unit 22 detects that the glass part is broken when the opening / closing part 100 includes a glass part (when the opening / closing part 100 is a window glass, when the opening / closing part 100 has a fitted glass). To do.
- the breakage detection unit 22 extracts a signal in the band of the natural frequency of the glass portion from the signal representing the vibration detected by the vibration detection unit 11.
- the breakage detector 22 determines that the glass portion has been broken when the extracted signal exceeds a prestored threshold value, and detects breakage of the glass portion.
- the locking / unlocking detection apparatus 10 ⁇ / b> G can detect breakage of the opening / closing part 100 in addition to the locking / unlocking of the opening / closing part 100.
- the locking / unlocking detection device 10 ⁇ / b> G may have a function of detecting another action accompanied by vibration of the frame body 102 from the vibration detected by the vibration detection unit 11.
- the locking / unlocking detection device 10G can detect not only locking / unlocking but also other actions that accompany the occurrence of vibrations such as vandalism by simply setting the discrimination threshold to an appropriate value.
- FIG. 14 is a cross-sectional view showing an outline of the internal structure of the housing 15 of the locking / unlocking detection apparatus 10H.
- the temporary fixing member 30 includes a sheet member 32 that can be attached to and detached from the housing 15 and an elastic member 33.
- the sheet member 32 is a flat plate coated with, for example, an adhesive tape or an adhesive material.
- the elastic member 33 is a coil spring, for example, and is attached to the sheet member 32.
- the sheet member 32 is detachably attached to the outer wall surface of the housing 15 so as to cover a part of the opening 15 a of the housing 15.
- the elastic member 33 presses the vibration detection unit 11 against the inner wall surface of the housing 15 in a state where the sheet member 32 is mounted on the outer wall surface of the housing 15.
- the vibration detection part 11 is temporarily fixed to the housing
- the casing 15 and the vibration detection unit 11 can be easily separated by removing the sheet member 32 (temporary fixing member 30) from the casing 15, and therefore the unlocking / unlocking detection apparatus 10H. Can be installed easily.
- the vibration detection part 11 is temporarily fixed to the housing
- the locking / unlocking detection apparatus 10H operates in the same manner as the locking / unlocking detection apparatus 10B according to the second embodiment, and has the same effects.
- the locking / unlocking detection apparatus 10K according to Embodiment 9 of the present invention will be described.
- the locking / unlocking detection device 10K is different from the locking / unlocking detection device 10B according to the second embodiment in that the locking / unlocking detection device 10K includes a temporary fixing member 35 that temporarily fixes the vibration detection unit 11 to the housing 15.
- the diameter of the through hole 15 b of the housing 15 is smaller than the width of the vibration detection unit 11.
- FIG. 15 is a cross-sectional view showing an outline of the internal structure of the housing 15 of the locking / unlocking detection apparatus 10K.
- the temporary fixing member 35 has an attachment portion 37 and a mounting portion 38.
- the temporary fixing member 35 in the present embodiment has, for example, a T shape
- the attachment portion 37 corresponds to a T-shaped horizontal line portion
- the mounting portion 38 corresponds to a T-shaped vertical line portion.
- the attachment portion 37 is disposed on the outer wall surface of the housing 15.
- the attachment portion 37 crosses the opening of the through hole 15 b on the outer wall surface of the housing 15.
- the mounting portion 38 extends from the portion of the attachment portion 37 that crosses the through hole 15b to the inside of the housing 15 through the through hole 15b.
- an adhesive material is applied to the end of the mounting unit 38, and the vibration detection unit 11 is detachably mounted to the end of the mounting unit 38.
- the vibration detection unit 11 is temporarily fixed to the housing 15 by the temporary fixing member 35.
- the temporary fixing member 35 is made of urethane rubber or the like.
- the vibration detecting unit 11 is detached from the mounting unit 38 by pulling the mounting unit 38 (temporary fixing member 35) out of the through hole 15b, and the housing 15 and the vibration detecting unit 11 can be easily separated. Can be separated. Therefore, the locking / unlocking detection device 10K can be easily installed.
- the locking / unlocking detection apparatus 10K since the vibration detection part 11 is temporarily fixed to the housing
- Example 1 of the present invention will be described.
- the locking / unlocking detection apparatus 10B in the present example has a configuration similar to that of the second embodiment.
- the opening / closing part 100 is an entrance door.
- the dimensions of the door are 1800 mm long ⁇ 1000 mm wide.
- the frame body 102 is a door frame of the entrance, and is provided on the wall portion 103.
- the locking mechanism 110 is a sickle dead bolt type lock.
- the permanent magnet 12 attached to the opening / closing part 100 is a permanent magnet made of ferrite.
- the size of the permanent magnet 12 is 30 mm (length) ⁇ 7 mm (width) ⁇ 7 mm (height).
- the permanent magnet 12 is installed on the upper part of the opening / closing part 100 with a double-sided adhesive tape so that the distance from the permanent magnet 131 (described later) is 30 mm in a state where the opening / closing part 100 is closed.
- the vibration sensor of the vibration detection unit 11 is a piezoelectric acceleration sensor with a built-in signal amplification circuit.
- the size of the vibration sensor of the vibration detector 11 is 8 mm (length) ⁇ 8 mm (width) ⁇ 4 mm (height).
- the vibration sensor is installed on the upper frame of the door frame with a double-sided adhesive tape.
- the permanent magnet 131 of the magnetic detection unit 13 is a ferrite permanent magnet.
- the size of the permanent magnet 131 is 30 mm (length) ⁇ 7 mm (width) ⁇ 7 mm (height).
- the reed switch 132 of the magnetic detection unit 13 is a reed switch having a dimension of 40 mm (length) ⁇ ⁇ 3 mm.
- the permanent magnet 131 and the reed switch 132 are housed in a case described later, and are installed on the upper frame of the door frame.
- the casing 15 is made of nonmagnetic aluminum (100 mm (length) ⁇ 50 mm (width)).
- the housing 15 is in a state where the permanent magnet 131 and the reed switch 132 are housed, so that the vibration sensor of the vibration detection unit 11 is disposed in the opening 15a of the housing 15 and covers the vibration sensor of the vibration detection unit 11. It is installed on the upper frame of the door frame.
- the housing 15 is disposed so as not to contact the vibration sensor of the vibration detector 11.
- a through hole is formed in the housing 15 in order to adjust the vibration sensor of the vibration detection unit 11 (diameter of the through hole: ⁇ 5 mm).
- the casing 15 is fixed to the upper frame of the door frame with a double-sided adhesive tape.
- the unlocking detection unit 14 is connected to the vibration sensor of the vibration detection unit 11 and the reed switch 132 of the magnetic detection unit 13.
- the unlocking detection unit 14 includes a CPU, a RAM, a digital band pass filter, a red LED (Light Emitting Diode), a green LED, and the like.
- the locking / unlocking detection unit 14 determines locking / unlocking from a determination target signal whose specific frequency is 100 Hz to 5 kHz (sampling frequency: 20 kHz), and detects locking / unlocking.
- the unlocking / unlocking detection unit 14 includes a first band: 100 Hz to 500 Hz, a second band: 500 Hz to 1 kHz, and a third band: 1 kHz.
- a digital bandpass filter having a pass band of ⁇ 5 kHz is provided.
- the unlocking detection unit 14 extracts the maximum acceleration in each band from the vibration detected by the vibration detection unit 11. Depending on whether or not the maximum acceleration in each of the extracted bands exceeds a predetermined threshold, the unlocking / unlocking detection unit 14 determines the locked state and the unlocked state.
- Threshold for each band is 0.1 m / s 2 in the first band, 0.2 m / s 2 in the second band, a 0.3 m / s 2 in the third band.
- the maximum acceleration in the first band and the maximum acceleration in the second band are equal to or less than the threshold values of the respective bands, and the maximum acceleration in the third band exceeds the threshold value of the third band, the unlocking is performed.
- the detection unit 14 determines that it is in the unlocked state, and detects the unlocked state.
- the unlocking / unlocking detection unit 14 is determined to be in the locked state, and the locked state is detected. Further, when receiving the HIGH signal output from the magnetic detection unit 13, the locking / unlocking detection unit 14 determines that the door is in an open state and turns on the red LED. On the other hand, when the LOW signal output from the magnetic detection unit 13 is received, the locking / unlocking detection unit 14 determines that the door is closed and turns on the green LED.
- the door (opening / closing part 100) is opened / closed 30 times and the locking / unlocking operation is performed 30 times, and the opening / closing state and locking / unlocking state of the opening / closing part 100 are detected. Detection was performed using apparatus 10B. As shown in FIG. 16, the locking / unlocking detection apparatus 10B of the present example was able to accurately detect the door open / closed state and the locked / unlocked state.
- the locking / unlocking detection apparatus 10C in the present example has a configuration similar to that of the third embodiment, and is different from the example 1 in that the vibration damping body 20 is provided.
- the vibration damping body 20 is made of a urethane rubber material (thickness 1 mm).
- the vibration attenuating body 20 is bonded to the housing 15 and the frame body 102 with a double-sided adhesive tape.
- Other conditions were the same as those in Example 1, and the door open / closed state and the locked / unlocked state were detected using the locking / unlocking detection device 10C of the present example.
- the locking / unlocking detection apparatus 10 ⁇ / b> C of the present example was able to accurately detect the door open / closed state and the locked / unlocked state.
- the locking / unlocking detection apparatus 10D in the present example has the same configuration as the locking / unlocking detection apparatus 10D provided with the magnetic body 21A in the fourth embodiment, and is different from the example 1 in that the locking / unlocking detection apparatus 10D includes the magnetic body 21A.
- the magnetic body 21A is made of pure iron subjected to nickel treatment.
- the size of the magnetic body 21A is 7 mm (length) ⁇ 5 mm (width) ⁇ 5 mm (height).
- the magnetic body 21A is arranged such that the distance (L1) between the magnetic body 21A and the permanent magnet 131 is 5 mm, and the distance (L2) between the magnetic body 21A and the vibration detection unit 11 is 10 mm.
- Example 2 Other conditions were the same as those of Example 1, and the door open / closed state and the unlocked / unlocked state were detected using the lock / unlock detection device 10D of the present example. Similarly to FIG. 16, the locking / unlocking detection apparatus 10 ⁇ / b> D of the present example was able to accurately detect the door open / closed state and the locked / unlocked state.
- the locking / unlocking detection device 10D includes a hollow rectangular parallelepiped magnetic body 21B.
- Other configurations are the same as the locking / unlocking detection device 10D in Example 3 (configurations similar to the locking / unlocking detection device 10D including the magnetic body 21B in Embodiment 4).
- the magnetic body 21B is made of pure iron subjected to nickel treatment.
- the outer diameter of the magnetic body 21B is 40 mm (length) ⁇ 40 mm (width) ⁇ 20 mm (height), and the size of the hollow portion of the magnetic body 21B is 30 mm (length) ⁇ 30 mm (width) ⁇ 20 mm (high). That is).
- the magnetic body 21B is disposed such that the distance between the magnetic body 21B and the permanent magnet 131 is 5 mm, and the distance between the magnetic body 21B and the vibration detection unit 11 is 10 mm.
- Other conditions were the same as those in Example 3, and the door open / closed state and the locked / unlocked state were detected using the lock / unlock detection device 10D of the present example.
- the locking / unlocking detection apparatus 10 ⁇ / b> D of the present example was able to accurately detect the door open / closed state and the locked / unlocked state.
- the locking / unlocking detection device 10D includes a U-shaped magnetic body 21C.
- the other configuration is the same as that of the locking / unlocking detection apparatus 10D in Example 3 (the same structure as the locking / unlocking detection apparatus 10D including the magnetic body 21C in Embodiment 4).
- the magnetic body 21C is made of pure iron subjected to nickel treatment.
- the outer diameter of the magnetic body 21C is 40 mm (length) ⁇ 40 mm (width) ⁇ 20 mm (height), and the size of the hollow portion of the magnetic body 21C is 30 mm (length) ⁇ 30 mm (width) ⁇ 20 mm (high). That is).
- the magnetic body 21C is disposed such that the distance between the magnetic body 21C and the permanent magnet 131 is 5 mm, and the distance between the magnetic body 21C and the vibration detection unit 11 is 10 mm.
- Other conditions were the same as those in Example 3, and the door open / closed state and the locked / unlocked state were detected using the lock / unlock detection device 10D of the present example.
- the locking / unlocking detection apparatus 10 ⁇ / b> D of the present example was able to accurately detect the door open / closed state and the locked / unlocked state.
- the locking / unlocking detection apparatus 10E in the present example has a configuration similar to that of the fifth embodiment.
- the case 150 is different from the first embodiment in that the housing 150 has a countersink portion 150a and the vibration detection unit 11 is attached to the countersink portion 150a.
- the countersink portion 150a has a size of ⁇ 20 mm and a depth of 15 mm.
- Other conditions were the same as those in Example 1, and the door open / closed state and the locked / unlocked state were detected using the locking / unlocking detection apparatus 10E of the present example.
- the locking / unlocking detection apparatus 10E of the present example was able to accurately detect the door open / closed state and the locked / unlocked state.
- the locking / unlocking detection device 10F is different from the sixth embodiment in that it includes a vibration damping body 20B.
- the vibration damping body 20B is made of urethane rubber (thickness: 6.5 mm).
- the vibration attenuating body 20B is disposed between the housing 150 and the side surface of the vibration detection unit 11.
- Other conditions were the same as those in Example 6, and the door open / closed state and the locked / unlocked state were detected using the locking / unlocking detection apparatus 10F of the present example.
- the locking / unlocking detection apparatus 10F of the present example was able to accurately detect the door open / closed state and the locked / unlocked state.
- the detection of locking and unlocking may be any detection as long as the locking and unlocking by the locking mechanism 110 are detected from the vibration detected by the vibration detection unit 11 and the magnetism detected by the magnetic detection unit 13.
- the locking / unlocking detection unit 14 may detect locking and unlocking using a physical quantity other than vibration acceleration as a threshold value.
- the physical quantity used for the threshold value may be a physical quantity characteristic for each of locking and unlocking, for example, vibration displacement, speed, and the like.
- the specific frequency band of the signal (discrimination target signal) used for detection of locking and the specific frequency band of the discrimination target signal used for detection of unlocking may be two or more frequency bands, respectively.
- the locking / unlocking detection unit 14 may detect locking and unlocking from a pattern matching between a waveform in a predetermined frequency band of vibration detected by the vibration detection unit 11 and a waveform unique to each of locking and unlocking. Good.
- the physical quantity used for the threshold may be a physical quantity obtained directly from the signal detected by the vibration detection unit 11 or a physical quantity obtained from a signal obtained by processing the signal detected by the vibration detection unit 11. May be.
- the position where the vibration detection unit 11, the magnetic detection unit 13, and the housing 15 are attached is not limited to the frame 102.
- the vibration detection unit 11, the magnetic detection unit 13, and the housing 15 may be attached to the wall 103.
- the positions at which the vibration detection unit 11, the magnetic detection unit 13, and the housing 15 are attached are not limited to the upper frame of the frame body 102 as shown in FIG.
- the vibration detection unit 11, the magnetic detection unit 13, and the housing 15 may be attached to the vertical frame of the frame body 102.
- the locking / unlocking detection unit 14, the communication unit 16, and the power supply unit 17 may not be stored in the processing-side casing 18.
- at least one of the locking / unlocking detection unit 14, the communication unit 16, and the power supply unit 17 may be housed in the housing 15.
- the lock / unlock detection devices 10A to 10H and 10K do not have to include the processing-side casing 18.
- User terminals with which the communication unit 16 communicates are, for example, PHS (Personal Handy-phone System), PDA (Personal Digital Assistant or Personal Data Assistant), mobile terminals such as mobile phones, smartphones, notebook PCs (PersonalComp) A digital camera, a game machine, etc. may be sufficient.
- PHS Personal Handy-phone System
- PDA Personal Digital Assistant or Personal Data Assistant
- mobile terminals such as mobile phones, smartphones, notebook PCs (PersonalComp)
- a digital camera, a game machine, etc. may be sufficient.
- connection between the vibration detection unit 11 and the locking / unlocking detection unit 14 and the connection between the magnetic detection unit 13 and the locking / unlocking detection unit 14 are not limited to wired connection (connection using the cable 19).
- the connection between the vibration detection unit 11 and the locking / unlocking detection unit 14 and the connection between the magnetic detection unit 13 and the locking / unlocking detection unit 14 may be wireless connections.
- the vibration detection part 11 should just be a thing which can detect the vibration generate
- the vibration detection unit 11 may include an analog filter or a digital filter.
- a first magnet attached to an opening / closing part locked and unlocked by a locking mechanism A vibration detection unit that is attached to a base part that supports the opening / closing part so as to be openable and closable, and detects vibration of the base part;
- An unlocking / unlocking detecting unit for detecting unlocking / unlocking of the opening / closing unit from the vibration detected by the vibration detecting unit and the magnetism detected by the magnetic detecting unit;
- An unlocking detection device characterized by that.
- the first housing has a through hole that exposes the vibration detection unit.
- the locking / unlocking detection apparatus according to appendix 1 or 2, characterized in that:
- the temporary fixing member includes a sheet member that is detachably attached to the first housing, and an elastic member that is attached to the sheet member and presses the vibration detection unit.
- the vibration detection unit is temporarily fixed to the first housing by being pressed by the elastic member.
- a temporary fixing member that temporarily fixes the vibration detection unit to the first housing;
- the temporary fixing member is disposed on an outer wall surface of the first housing, and has an attachment portion that crosses the opening of the through hole on the outer wall surface of the first housing, and passes through the through hole from the attachment portion. And having a mounting portion that detachably mounts the vibration detecting portion,
- the locking / unlocking detection apparatus according to Supplementary Note 3, wherein
- a first magnet attached to an opening / closing part locked and unlocked by a locking mechanism A magnetic detection unit that is attached to a base that supports the opening and closing unit so as to be opened and closed, and that detects the magnetism of the first magnet; A first housing having a countersink and attached to the base to cover the magnetic detection unit; A vibration detection unit that is attached to the counterbore and detects the vibration of the base; An unlocking / unlocking detecting unit for detecting unlocking / unlocking of the opening / closing unit from the vibration detected by the vibration detecting unit and the magnetism detected by the magnetic detecting unit; An unlocking detection device characterized by that.
- the first housing is attached to the base via a vibration attenuation unit that attenuates vibrations.
- the locking / unlocking detection apparatus according to any one of supplementary notes 1 to 8, wherein
- the magnetic detection unit has a second magnet, A magnetic body is disposed between the second magnet and the vibration detection unit.
- the locking / unlocking detection apparatus according to any one of appendices 1 to 9, wherein
- a distance between the magnetic body and the second magnet is shorter than a distance between the magnetic body and the vibration detection unit;
- the locking / unlocking detecting unit detects unlocking of the opening / closing unit when it is determined from the magnetism detected by the magnetism detecting unit that the opening / closing unit is open, and detects the unlocking / unlocking unit from the magnetism detected by the magnetism detecting unit. When it is determined that the opening / closing part is closed, the unlocking / unlocking of the opening / closing part is determined from the vibration detected by the vibration detecting unit, and the unlocking / locking of the opening / closing part is detected.
- the locking / unlocking detection apparatus according to any one of supplementary notes 1 to 13, wherein the locking / unlocking detection apparatus is provided.
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Abstract
Description
施錠機構によって施開錠される開閉部に、取り付けられる第1の磁石と、
前記開閉部を開閉可能に支持する基部に取り付けられ、前記基部の振動を検出する振動検出部と、
前記基部に取り付けられ、前記第1の磁石の磁気を検出する磁気検出部と、
前記基部に取り付けられ、前記振動検出部と前記磁気検出部とを覆う第1の筐体と、
前記振動検出部が検出した振動と、前記磁気検出部が検出した磁気とから前記開閉部の施開錠を検出する施開錠検出部とを備える、
ことを特徴とする。
施錠機構によって施開錠される開閉部に、取り付けられる第1の磁石と、
前記開閉部を開閉可能に支持する基部に取り付けられ、前記第1の磁石の磁気を検出する磁気検出部と、
座繰り部を有し、前記基部に取り付けられ前記磁気検出部を覆う第1の筐体と、
前記座繰り部に取り付けられ、前記基部の振動を検出する振動検出部と、
前記振動検出部が検出した振動と、前記磁気検出部が検出した磁気とから前記開閉部の施開錠を検出する施開錠検出部とを備える、
ことを特徴とする。
図1を参照して、本発明の実施の形態1について説明する。図1は本実施の形態に係る施開錠検知装置10Aを示す。施開錠検知装置10Aは、施錠機構110によって施開錠される開閉部100の施開錠を検知する。開閉部100は、例えば扉である。また、開閉部100は、基部101に開閉可能に支持される。基部101は、例えば壁や壁に設けられた扉枠である。
施開錠検知装置10Aは、振動検出部11と、永久磁石12と、磁気検出部13と、施開錠検出部14と、筐体15と、を備える。振動検出部11は、基部101に直接接触して、基部101の振動を検出する。また、振動検出部11は筐体15を介して基部101に接触して、基部101の振動を検出してもよい。永久磁石12は、開閉部100に取り付けられる。磁気検出部13は、基部101に取り付けられる。磁気検出部13は永久磁石12の磁気を検出する。施開錠検出部14は、振動検出部11が検出した基部101の振動と磁気検出部13が検出した永久磁石12の磁気とから、施錠機構110による開閉部100の施開錠を検出する。筐体15は、基部101に取り付けられる。筐体15は、振動検出部11と磁気検出部13とを覆う。また、筐体15は磁気検出部13を覆うとともに、筐体15に形成された座繰り部に振動検出部11が取り付けられてもよい。
また、筐体15が磁気検出部13を覆うとともに、筐体15に形成された座繰り部に振動検出部11が取り付けられた場合においても、大掛かりな工事を必要とせず、安価で、簡単に施開錠検知装置10Aを設置できる。
本発明の実施の形態2に係る施開錠検知装置10Bについて説明する。なお、実施の形態2以下では、他の実施の形態と同一の構成について同一の符合を付し、重複する説明については適宜省略する。図2は、施開錠検知装置10Bを示す模式図である。図3は、筐体15の内部構造の概略を示す断面図である。ここで、開閉部100は、壁部103に設けられた枠体102によって開閉可能に支持される。
施開錠検知装置10Bは、図2に示すように、振動検出部11と、永久磁石12と、磁気検出部13と、施開錠検出部14と、筐体15と、通信部16と、電源部17と、処理側筐体18と、ケーブル19とを備える。
磁気検出部13は、開閉部100が閉じた状態において、永久磁石12と対向する永久磁石131と、リードスイッチ132と、を備える。リードスイッチ132は、永久磁石12と永久磁石131とが対向した状態(又は近接した状態)であるのか、離間した状態であるのかを表す信号を出力する。リードスイッチ132は、開閉部100が閉じられ、永久磁石131と永久磁石12とが対向した場合、大きな磁場が印加されることによって動作し、施開錠検出部14に例えばLOW信号を出力する。一方、リードスイッチ132は、開閉部100が開けられ、永久磁石131と永久磁石12とが離間した場合、停止し、施開錠検出部14に例えばHIGH信号を出力する。
振動検出部11と筺体15との間には、間隙があることが好ましい。これにより、振動検出部11と筐体15とが接触しないので、筐体15の機械特性が、振動検出部11が検出する振動に及ぼす影響を小さくできる。また、振動検出部11は筐体15によって覆われるので、振動検出部11は環境に起因した音の影響を受けにくい。したがって、振動検出部11は、施錠機構110における施錠又は開錠による振動を精度よく検出できる。さらに、磁気検出部13と振動検出部11とが、筐体15によって覆われるので、磁気検出部13や振動検出部11が粉塵に曝されることを防ぎ、施開錠検知装置10Bの耐久性が向上する。なお、筐体15は、例えば金属や樹脂などから構成される。また、筐体15は、例えば両面粘着テープや接着剤、ビス止めなどによって枠体102に取り付けられる。
施開錠検出部14は、予め記憶された施錠によって生じる振動加速度の閾値T1よりも判別対象信号の振動加速度が大きい場合、開閉部100が施錠状態であると判別する。一方、施開錠検出部14は、予め記憶された開錠によって生じる振動加速度の閾値T2よりも判別対象信号の振動加速度が大きい場合、開閉部100が開錠状態であると判別する。施開錠検出部14は、開閉部100の施錠状態又は開錠状態を検出した場合、通信部16に検出結果を表す信号を出力する。なお、施錠状態、開錠状態の判別は、複数の条件を基準に判別してもよい。例えば、閾値T1,T2よりも判別対象信号の振動加速度が大きく、予め定めた時間以内に別の閾値T3,T4よりも判別対象信号の振動加速度が大きい(あるいは小さい)場合に、施錠状態(あるいは開錠状態)であると判別してもよい。
ケーブル19は、振動検出部11と施開錠検出部14、磁気検出部13と施開錠検出部14とを接続する。ケーブル19は、例えばケーブル留具によって枠体102固定される。なお、ケーブル19は、枠体102に這わされ、固定されなくともよい。
本発明の実施の形態3に係る施開錠検知装置10Cについて説明する。施開錠検知装置10Cは、振動減衰体20を備える点が実施の形態2における施開錠検知装置10Bと異なる。その他の構成は、施開錠検知装置10Bと同様である。図4は、施開錠検知装置10Cの筐体15の内部構造の概略を示す断面図である。
本発明の実施の形態4に係る施開錠検知装置10Dについて説明する。施開錠検知装置10Dは、永久磁石131と振動検出部11との間に磁性体21Aが配置される点が実施の形態2における施開錠検知装置10Bと異なる。その他の構成は、施開錠検知装置10Bと同様である。図5は、施開錠検知装置10Dを示す模式図である。図6は、施開錠検知装置10Dの筐体15の内部構造の概略を示す断面図である。なお、図5、図6、後述する図7~図15では、通信部16、電源部17、処理側筐体18などの図示は省略する。
本発明の実施の形態5に係る施開錠検知装置10Eについて説明する。施開錠検知装置10Eは、振動検出部11が筐体150を介して枠体102に取り付けられる点で、実施の形態2と相違する。図10は施開錠検知装置10Eを示す模式図である。図11は、施開錠検知装置10Eの筐体150の内部構造の概略を示す断面図である。
本発明の実施の形態6に係る施開錠検知装置10Fについて説明する。施開錠検知装置10Fは、振動減衰体20Bを備える点が実施の形態5と異なる。図12は、施開錠検知装置10Fの筐体150の内部構造の概略を示す断面図である。
本発明の実施の形態7に係る施開錠検知装置10Gについて説明する。施開錠検知装置10Gは、図13に示すように、破損検出部22を備える点が実施の形態2と相違する。破損検出部22は、振動検出部11によって検出される振動から、開閉部100やその周辺の破損や破壊行為を検出する。例えば、破損検出部22は、開閉部100がガラス部を含む場合(開閉部100が窓ガラスである場合、開閉部100が嵌め込みガラスを有する場合など)に、ガラス部が破壊されたことを検出する。破損検出部22は、例えば、振動検出部11が検出した振動を表す信号から、ガラス部の固有振動数の帯域の信号を抽出する。破損検出部22は、抽出した信号が予め記憶された閾値を超えた場合に、ガラス部が破壊されたと判別し、ガラス部の破損を検出する。
以上のように、施開錠検知装置10Gは、開閉部100の施開錠以外に、開閉部100の破損を検出できる。なお、破損検出部22に代えて、施開錠検知装置10Gは、振動検出部11が検出した振動から、枠体102の振動を伴う他行為の検出機能を保有してもよい。施開錠検知装置10Gでは、判別用閾値を妥当な値に設定するだけで施開錠の検出だけではなく、破壊行為などの振動発生を伴う他行為の検出も可能となる。
本発明の実施の形態8に係る施開錠検知装置10Hについて説明する。施開錠検知装置10Hは、振動検出部11を筐体15に仮固定する仮固定部材30を備える点が実施の形態2における施開錠検知装置10Bと異なる。その他の構成は、施開錠検知装置10Bと同様である。図14は、施開錠検知装置10Hの筐体15の内部構造の概略を示す断面図である。
施開錠検知装置10Hでは、シート部材32(仮固定部材30)を筐体15から取り外すことによって容易に筐体15と振動検出部11とを分離することができるので、施開錠検知装置10Hを簡易に設置できる。また、振動検出部11が筐体15に仮固定されているので、施開錠検知装置10Hは輸送や設置における取り扱いが容易である。さらに、施開錠検知装置10Hは、実施の形態2における施開錠検知装置10Bと同様に動作し、同様の効果も奏する。
本発明の実施の形態9に係る施開錠検知装置10Kについて説明する。施開錠検知装置10Kは、振動検出部11を筐体15に仮固定する仮固定部材35を備える点が実施の形態2における施開錠検知装置10Bと異なる。また、本実施の形態においては、筐体15の貫通孔15bの直径は振動検出部11の幅よりも小さい。その他の構成は施開錠検知装置10Bと同様である。図15は、施開錠検知装置10Kの筐体15の内部構造の概略を示す断面図である。
施開錠検知装置10Kでは、装着部38(仮固定部材35)を貫通孔15bから引き抜くことによって、振動検出部11が装着部38から離脱し、容易に筐体15と振動検出部11とを分離できる。したがって、施開錠検知装置10Kを簡易に設置できる。また、振動検出部11が筐体15に仮固定されているので、施開錠検知装置10Kは輸送や設置における取り扱いが容易である。さらに、施開錠検知装置10Kは、実施の形態2における施開錠検知装置10Bと同様に動作し、同様の効果も奏する。なお、取り付け部36の筐体15に接する面に粘着材、両面接着テープなどを設け、取り付け部36を筐体15の外壁面に着脱可能に装着してもよい。これにより、貫通孔15bの直径が振動検出部11の幅よりも大きい場合であっても、振動検出部11を筐体15に仮固定できる。
本発明の実施例1について説明する。本実施例における施開錠検知装置10Bは、実施の形態2と同様の構成を有する。具体的には、開閉部100は玄関の扉である。扉の寸法は、縦1800mm×横1000mmである。枠体102は玄関の扉枠であり、壁部103に設けられる。施錠機構110は、鎌デッドボルトタイプの錠前である。
開閉部100に取り付けられる永久磁石12は、フェライト製の永久磁石である。永久磁石12の大きさは、30mm(長さ)×7mm(幅)×7mm(高さ)である。永久磁石12は、開閉部100が閉じた状態において、後述する永久磁石131との距離が30mmとなるように、両面接着テープによって開閉部100の上部に設置される。
振動検出部11の振動センサは、信号増幅回路が内蔵された圧電型加速度センサである。振動検出部11の振動センサの大きさは、8mm(長さ)×8mm(幅)×4mm(高さ)である。振動センサは、両面粘着テープによって扉枠の上枠に設置される。
磁気検出部13の永久磁石131は、フェライト製の永久磁石である。永久磁石131の大きさは、30mm(長さ)×7mm(幅)×7mm(高さ)である。磁気検出部13のリードスイッチ132は、寸法が40mm(長さ)×φ3mmのリードスイッチである。永久磁石131と永久磁石12とが対向した場合(開閉部100が閉じた状態)、リードスイッチ132の接点が開放し、磁気検出部13は施開錠検出部14にHIGH信号を出力する。また、永久磁石131と永久磁石12とが離間した場合(開閉部100が開いた状態)、リードスイッチ132の接点が導通し、磁気検出部13は施開錠検出部14にLOW信号を出力する。永久磁石131とリードスイッチ132とは、後述する筐体に収納され、扉枠の上枠に設置される。
筐体15は、非磁性のアルミニウム製である(100mm(長さ)×50mm(幅))。筐体15は、永久磁石131とリードスイッチ132とを収納した状態で、振動検出部11の振動センサが筐体15の開口部15aに配置され、振動検出部11の振動センサを覆うように、扉枠の上枠に設置される。筐体15は、振動検出部11の振動センサに接触しないように配置される。また、筐体15には、振動検出部11の振動センサを調整するために貫通孔(貫通孔15b)が形成される(貫通孔の径:φ5mm)。筐体15は、扉枠の上枠に両面接着テープによって固定される。
施開錠検出部14は、特定周波数が100Hz~5kHz(サンプリング周波数:20kHz)である判別対象信号から、施開錠を判別し、施開錠を検出する。振動検出部11の振動センサが出力した信号から判別対象信号を抽出するために、施開錠検出部14は、第1バンド:100Hz~500Hz、第2バンド:500Hz~1kHz、第3バンド:1kHz~5kHzをそれぞれパス帯域とするデジタルバンドパスフィルタを有する。施開錠検出部14は、振動検出部11が検出した振動から、各バンドでの最大加速度を抽出する。抽出された各バンドでの最大加速度が所定の閾値を超えたか否かにによって、施開錠検出部14は施錠状態と開錠状態とを判別する。各バンドでの閾値は第1バンドで0.1m/s2、第2バンドで0.2m/s2、第3バンドで0.3m/s2である。ここで、第1バンドにおける最大加速度と第2のバンドにおける最大加速度とがそれぞれのバンドの閾値以下であり、かつ第3バンドにおける最大加速度が第3バンドの閾値を超えた場合に、施開錠検出部14は開錠状態であると判別し、開錠状態を検出する。また、第1バンドにおける最大加速度が第1バンドの閾値以下であり、かつ第2バンドにおける最大加速度と第3バンドにおける最大加速度とがそれぞれのバンドの閾値を超えた場合に、施開錠検出部14は施錠状態であると判別し、施錠状態を検出する。
また、施開錠検出部14は、磁気検出部13が出力したHIGH信号を受信した場合、扉が開いた状態であると判別し、赤色LEDを点灯させる。一方、磁気検出部13が出力したLOW信号を受信した場合、施開錠検出部14は、扉が閉じた状態であると判別し、緑色LEDを点灯させる。
本実施例における施開錠検知装置10Cは、実施の形態3と同様の構成を有し、振動減衰体20を備える点が実施例1と異なる。本実施例では、振動減衰体20は、ウレタン系ゴム材料から構成される(厚さ1mm)。また、振動減衰体20は、両面粘着テープによって筐体15と枠体102とに接着される。その他の条件は実施例1の条件と同様にして、扉の開閉状態と施開錠状態とを本実施例の施開錠検知装置10Cを用いて検出した。図16と同様に、本実施例の施開錠検知装置10Cは、正確に扉の開閉状態と施開錠状態とを検出できた。
本実施例における施開錠検知装置10Dは、実施の形態4における磁性体21Aを備えた施開錠検知装置10Dと同様の構成を有し、磁性体21Aを備える点が実施例1と異なる。本実施例では、磁性体21Aは、ニッケル処理を施した純鉄から構成される。磁性体21Aの大きさは、7mm(長さ)×5mm(幅)×5mm(高さ)である。磁性体21Aは、磁性体21Aと永久磁石131との距離(L1)が5mm、磁性体21Aと振動検出部11との距離(L2)が10mmとなるように配置される。その他の条件は実施例1の条件と同様にして、扉の開閉状態と施開錠状態とを本実施例の施開錠検知装置10Dを用いて検出した。図16と同様に、本実施例の施開錠検知装置10Dは、正確に扉の開閉状態と施開錠状態とを検出できた。
本実施例において、施開錠検知装置10Dは中空直方体形状の磁性体21Bを備える。その他の構成は、実施例3における施開錠検知装置10Dと同様である(実施の形態4における磁性体21Bを備える施開錠検知装置10Dと同様の構成)。本実施例では、磁性体21Bは、ニッケル処理を施した純鉄から構成される。磁性体21Bの外径は40mm(長さ)×40mm(幅)×20mm(高さ)であり、磁性体21Bの中空部の大きさは30mm(長さ)×30mm(幅)×20mm(高さ)である。磁性体21Bは、磁性体21Bと永久磁石131との距離が5mm、磁性体21Bと振動検出部11との距離が10mmとなるように配置される。その他の条件は実施例3の条件と同様にして、扉の開閉状態と施開錠状態とを本実施例の施開錠検知装置10Dを用いて検出した。図16と同様に、本実施例の施開錠検知装置10Dは、正確に扉の開閉状態と施開錠状態とを検出できた。
本実施例において、施開錠検知装置10Dはコの字型形状の磁性体21Cを備える。その他の構成は、実施例3における施開錠検知装置10Dと同様である(実施の形態4における磁性体21Cを備える施開錠検知装置10Dと同様の構成)。本実施例では、磁性体21Cは、ニッケル処理を施した純鉄から構成される。磁性体21Cの外径は40mm(長さ)×40mm(幅)×20mm(高さ)であり、磁性体21Cの中空部の大きさは30mm(長さ)×30mm(幅)×20mm(高さ)である。磁性体21Cは、磁性体21Cと永久磁石131との距離が5mm、磁性体21Cと振動検出部11との距離が10mmとなるように配置される。その他の条件は実施例3の条件と同様にして、扉の開閉状態と施開錠状態とを本実施例の施開錠検知装置10Dを用いて検出した。図16と同様に、本実施例の施開錠検知装置10Dは、正確に扉の開閉状態と施開錠状態とを検出できた。
本実施例における施開錠検知装置10Eは、実施の形態5と同様の構成を有する。筐体150が座繰り部150aを有し、振動検出部11が座繰り部150aに取り付けられる点が実施例1と異なる。本実施例では、座繰り部150aの大きさはφ20mm、深さ15mmである。その他の条件は実施例1の条件と同様にして、扉の開閉状態と施開錠状態とを本実施例の施開錠検知装置10Eを用いて検出した。図16と同様に、本実施例の施開錠検知装置10Eは、正確に扉の開閉状態と施開錠状態とを検出できた。
本実施例において、施開錠検知装置10Fは、振動減衰体20Bを備える点が実施例6と異なる。その他の構成は、実施例6における施開錠検知装置10Eと同様である。本実施例では、振動減衰体20Bは、ウレタン系ゴムから構成される(厚さ:6.5mm)。振動減衰体20Bは、筐体150と振動検出部11の側面との間に配置される。その他の条件は実施例6の条件と同様にして、扉の開閉状態と施開錠状態とを本実施例の施開錠検知装置10Fを用いて検出した。図16と同様に、本実施例の施開錠検知装置10Fは、正確に扉の開閉状態と施開錠状態とを検出できた。
施開錠検出部14は、振動検出部11が検出した振動の所定周波数帯域における波形と、施錠と開錠のそれぞれに固有の波形とのパターンマッチングから、施錠と開錠とを検出してもよい。また、閾値に用いられる物理量は、振動検出部11で検出される信号から直接得られる物理量であってもよいし、振動検出部11が検出した信号に処理を施した信号から得られる物理量であってもよい。
また、振動検出部11は、施錠機構110の施錠によって発生する振動と開錠によって発生する振動とを検出できるものであればよい。振動検出部11は、アナログフィルタ又はデジタルフィルタを備えてもよい。
施錠機構によって施開錠される開閉部に、取り付けられる第1の磁石と、
前記開閉部を開閉可能に支持する基部に取り付けられ、前記基部の振動を検出する振動検出部と、
前記基部に取り付けられ、前記第1の磁石の磁気を検出する磁気検出部と、
前記基部に取り付けられ、前記振動検出部と前記磁気検出部とを覆う第1の筐体と、
前記振動検出部が検出した振動と、前記磁気検出部が検出した磁気とから前記開閉部の施開錠を検出する施開錠検出部とを備える、
ことを特徴とする施開錠検知装置。
前記振動検出部と前記第1の筐体との間に間隙がある、
ことを特徴とする付記1に記載の施開錠検知装置。
前記第1の筐体は、前記振動検出部を露出する貫通孔を有する、
ことを特徴とする付記1又は2に記載の施開錠検知装置。
前記振動検出部を前記第1の筐体に仮固定する仮固定部材を備える、
ことを特徴とする付記1乃至3のいずれか1つに記載の施開錠検知装置。
前記仮固定部材は、前記第1の筐体に着脱可能に装着されるシート部材と、前記シート部材に取り付けられ前記振動検出部を押圧する弾性部材とからなり、
前記振動検出部は、前記弾性部材に押圧されることによって前記第1の筐体に仮固定される、
ことを特徴とする付記4に記載の施開錠検知装置。
前記振動検出部を前記第1の筐体に仮固定する仮固定部材を備え、
前記仮固定部材は、前記第1の筐体の外壁面に配置され、前記第1の筐体の外壁面において前記貫通孔の開口を横断する取り付け部と、前記取り付け部から前記貫通孔を通って延び、前記振動検出部を着脱可能に装着する装着部とを有する、
ことを特徴とする付記3に記載の施開錠検知装置。
施錠機構によって施開錠される開閉部に、取り付けられる第1の磁石と、
前記開閉部を開閉可能に支持する基部に取り付けられ、前記第1の磁石の磁気を検出する磁気検出部と、
座繰り部を有し、前記基部に取り付けられ前記磁気検出部を覆う第1の筐体と、
前記座繰り部に取り付けられ、前記基部の振動を検出する振動検出部と、
前記振動検出部が検出した振動と、前記磁気検出部が検出した磁気とから前記開閉部の施開錠を検出する施開錠検出部とを備える、
ことを特徴とする施開錠検知装置。
前記振動検出部と前記第1の筐体との間に、前記振動検出部と前記第1の筐体との取り付け面を除いて、振動を減衰させる振動減衰部を備える、
ことを特徴とする付記7に記載の施開錠検知装置。
前記第1の筐体は、振動を減衰させる振動減衰部を介して前記基部に取り付けられる、
ことを特徴とする付記1乃至8のいずれか1つに記載の施開錠検知装置。
前記磁気検出部は第2の磁石を有し、
前記第2の磁石と前記振動検出部との間に磁性体が配置される、
ことを特徴とする付記1乃至9のいずれか1つに記載の施開錠検知装置。
前記磁性体と前記第2の磁石との距離が、前記磁性体と前記振動検出部との距離よりも短い、
ことを特徴とする付記10に記載の施開錠検知装置。
前記振動検出部が検出した振動から、前記開閉部の破損を検出する破損検出部を備える、
ことを特徴とする付記1乃至11のいずれか1つに記載の施開錠検知装置。
前記施開錠検出部による検出結果を外部に送信する送信部と、
前記施開錠検出部と前記送信部とを収納する第2の筐体とを備える、
ことを特徴とする付記1乃至12のいずれか1つに記載の施開錠検知装置。
前記施開錠検出部は、前記磁気検出部が検出した磁気から前記開閉部が開いた状態と判別した場合には前記開閉部の開錠を検出し、前記磁気検出部が検出した磁気から前記開閉部が閉じた状態と判別した場合には、前記振動検出部が検出した振動から前記開閉部の施開錠を判別し、前記開閉部の開錠又は施錠を検出する、
ことを特徴とする付記1乃至13のいずれか1つに記載の施開錠検知装置。
11 振動検出部
12 永久磁石
13 磁気検出部
14 施開錠検出部
15 筐体
15a 開口部
15b 貫通孔
16 通信部
17 電源部
18 処理側筐体
19 ケーブル
20、20B 振動減衰体
21A~21C 磁性体
22 破損検出部
23 粘着テープ
30 仮固定部材
32 シート部材
33 弾性部材
35 仮固定部材
37 取り付け部
38 装着部
100 開閉部(扉)
101 基部
102 枠体(扉枠)
103 壁部
150 筐体
150a 座繰り部
Claims (10)
- 施錠機構によって施開錠される開閉部に、取り付けられる第1の磁石と、
前記開閉部を開閉可能に支持する基部に取り付けられ、前記基部の振動を検出する振動検出部と、
前記基部に取り付けられ、前記第1の磁石の磁気を検出する磁気検出部と、
前記基部に取り付けられ、前記振動検出部と前記磁気検出部とを覆う第1の筐体と、
前記振動検出部が検出した振動と、前記磁気検出部が検出した磁気とから前記開閉部の施開錠を検出する施開錠検出部とを備える、
ことを特徴とする施開錠検知装置。 - 前記振動検出部と前記第1の筐体との間に間隙がある、
ことを特徴とする請求項1に記載の施開錠検知装置。 - 前記第1の筐体は、前記振動検出部を露出する貫通孔を有する、
ことを特徴とする請求項1又は2に記載の施開錠検知装置。 - 施錠機構によって施開錠される開閉部に、取り付けられる第1の磁石と、
前記開閉部を開閉可能に支持する基部に取り付けられ、前記第1の磁石の磁気を検出する磁気検出部と、
座繰り部を有し、前記基部に取り付けられ前記磁気検出部を覆う第1の筐体と、
前記座繰り部に取り付けられ、前記基部の振動を検出する振動検出部と、
前記振動検出部が検出した振動と、前記磁気検出部が検出した磁気とから前記開閉部の施開錠を検出する施開錠検出部とを備える、
ことを特徴とする施開錠検知装置。 - 前記振動検出部と前記第1の筐体との間に、前記振動検出部と前記第1の筐体との取り付け面を除いて、振動を減衰させる振動減衰部を備える、
ことを特徴とする請求項4に記載の施開錠検知装置。 - 前記第1の筐体は、振動を減衰させる振動減衰部を介して前記基部に取り付けられる、
ことを特徴とする請求項1乃至5のいずれか1項に記載の施開錠検知装置。 - 前記磁気検出部は、第2の磁石を有し、
前記第2の磁石と前記振動検出部との間に磁性体が配置される、
ことを特徴とする請求項1乃至6のいずれか1項に記載の施開錠検知装置。 - 前記磁性体と前記第2の磁石との距離が、前記磁性体と前記振動検出部との距離よりも短い、
ことを特徴とする請求項7に記載の施開錠検知装置。 - 前記振動検出部が検出した振動から、前記開閉部の破損を検出する破損検出部を備える、
ことを特徴とする請求項1乃至8のいずれか1項に記載の施開錠検知装置。 - 前記施開錠検出部による検出結果を外部に送信する送信部と、
前記施開錠検出部と前記送信部とを収納する第2の筐体とを備える、
ことを特徴とする請求項1乃至9のいずれか1項に記載の施開錠検知装置。
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US14/781,754 US20160040460A1 (en) | 2013-04-04 | 2014-04-04 | Locking/unlocking detection device |
JP2015510159A JPWO2014163191A1 (ja) | 2013-04-04 | 2014-04-04 | 施開錠検知装置 |
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Cited By (2)
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KR20180005003A (ko) * | 2016-07-05 | 2018-01-15 | 이민구 | 스마트 텐트 |
US20210189774A1 (en) * | 2019-12-19 | 2021-06-24 | Fanuc Corporation | Safety door device and safety door locking method |
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CN107532433B (zh) * | 2015-04-17 | 2020-01-07 | 罗伯特·博世有限公司 | 用于基于磁场检测来探测窗把手或门把手位置的设备及为此的运行方法 |
US9982459B2 (en) * | 2015-06-01 | 2018-05-29 | Schlage Lock Company Llc | Door improvements and data mining via accelerometer and magnetometer electronic component |
TWM552948U (zh) * | 2017-09-04 | 2017-12-11 | Vision Automobile Electronics Industrial Co Ltd | 感測模組 |
CN109707231A (zh) * | 2018-07-05 | 2019-05-03 | 天钺电子(东莞)有限公司 | 电子锁与门磁感应器联合安控系统及安控方法 |
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JPH0411177A (ja) * | 1990-01-17 | 1992-01-16 | Sekisui Chem Co Ltd | ドアの施錠検知装置 |
JP2007100490A (ja) * | 2005-10-06 | 2007-04-19 | Techno Soken:Kk | 窓の施錠警報装置 |
JP2010140288A (ja) * | 2008-12-12 | 2010-06-24 | Bunka Shutter Co Ltd | 出入口ドア防犯装置 |
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2014
- 2014-04-04 WO PCT/JP2014/060001 patent/WO2014163191A1/ja active Application Filing
- 2014-04-04 US US14/781,754 patent/US20160040460A1/en not_active Abandoned
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JPH0411177A (ja) * | 1990-01-17 | 1992-01-16 | Sekisui Chem Co Ltd | ドアの施錠検知装置 |
JP2007100490A (ja) * | 2005-10-06 | 2007-04-19 | Techno Soken:Kk | 窓の施錠警報装置 |
JP2010140288A (ja) * | 2008-12-12 | 2010-06-24 | Bunka Shutter Co Ltd | 出入口ドア防犯装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20180005003A (ko) * | 2016-07-05 | 2018-01-15 | 이민구 | 스마트 텐트 |
KR101866489B1 (ko) * | 2016-07-05 | 2018-06-11 | 이민구 | 스마트 텐트 |
US20210189774A1 (en) * | 2019-12-19 | 2021-06-24 | Fanuc Corporation | Safety door device and safety door locking method |
US11891840B2 (en) * | 2019-12-19 | 2024-02-06 | Fanuc Corporation | Safety door device and safety door locking method |
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US20160040460A1 (en) | 2016-02-11 |
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