JP2006090043A - Shielding body unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shielding body unit providing excellent exterior visibility through a housing opening section or a view from the inside of a house, having high security against suspicious persons from outside and automatically making actions. <P>SOLUTION: The shielding body unit consists of a movable shielding body 3 openably shielding a house opening section 2, a driving means 4 automatically driving the shielding body 3, a proximity sensor 6 outputting an abnormality detection signal 5 by detecting a person or an object approaching the house opening section from an outdoor side and a controlling means 7 closing the house opening section 2 by driving the shielding body 3 to the driving means 4 based on the anomalous detection signal 5. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a shield unit, and more particularly to a shield unit installed in an opening of a house.

  In Patent Document 1, a surface lattice fixed to the outside of a window by a lock portion, and in the event of a disaster (abnormality) such as a fire, a resident urgently retreats. A surface lattice has been proposed that can move the window and widen the window opening.

  In Patent Document 2, two shields are provided in the house opening, and when it is detected that an abnormality has occurred in the closed first shield, or before the first shield is closed, A crime prevention device has been proposed that closes a second shield that is normally open when an intruder is detected.

  Patent Document 3 proposes a crime prevention mechanism in which a user manually opens and closes a window grid installed for crime prevention.

Japanese Utility Model Publication No. 7-50545 (Claim 1, FIG. 3) JP 10-63962 A (Claim 1, paragraph 0011) JP 2004-19109 (Claim 1)

  According to the surface grid of Patent Document 1, since there is a window grid constantly except in an emergency, a phenomenon that the external visibility from the house opening is impaired is invited.

  According to the crime prevention device of Patent Document 2, since the second shield operates after detecting the occurrence of an abnormality in the first shield, before the second shield is closed, the glass window There is a high possibility of causing destruction and intrusion of suspicious persons from outside. In addition, when detecting that there is an intruder indoors before the first shield is closed, a specific configuration is not disclosed for the crime prevention device that closes the second shield that is normally open. In addition, the actual crime prevention effect is low.

  Patent Document 3 discloses a security mechanism in which a user manually opens and closes the window grid, but does not disclose a security mechanism that automatically opens and closes the window grid. In the case of manually operating the surface lattice, the concern that the user forgets to tighten the surface lattice cannot be avoided.

  An object of the present invention is to provide a shield unit that is excellent in external visibility or indoor view of a house opening, has high security against external suspicious persons, and operates automatically.

  According to a first aspect of the present invention, there is provided a movable shielding body that shields the housing opening so as to be openable, a driving unit that automatically drives the shielding body, and a person or an object approaches the housing opening from the outside. And an approach sensor that outputs an abnormality detection signal and a control unit that causes the driving unit to drive the shield and close the house opening based on the abnormality detection signal. A shield unit is provided.

  According to the present invention, by making the shield movable, it is excellent in external visibility of the house opening or view from the inside, and when the person approaches, the shield is automatically driven in conjunction with the proximity sensor. Because the housing opening can be quickly closed by the shield, the crime prevention against external suspicious people is high, and the intrusion of suspicious persons into the house and the destruction of the housing opening are highly prevented. Can do.

  The shield unit according to a preferred embodiment of the present invention further includes a switch for switching the driving means between an automatic operation mode and a manual operation mode.

  The shield unit according to a preferred embodiment of the present invention further includes a main lock that locks the shield in a closed state, and an auxiliary lock that blocks an unlocking operation of the main lock.

  The shield unit according to a preferred embodiment of the present invention further includes means for notifying an abnormality based on the abnormality detection signal.

  The shielding unit according to a preferred embodiment of the present invention includes storage means for storing presence / absence of abnormality based on the abnormality detection signal, and display means for notifying occurrence of abnormality based on the storage. .

  When the shielding unit according to a preferred embodiment of the present invention detects a pinching detection sensor that detects whether or not there is something caught in the operating range of the shielding body, and when the pinching detection sensor detects that the pinching detection sensor is pinched Has an emergency stop means for stopping the movement of the shield or stopping after the reversal stop.

  In the shielding unit according to a preferred embodiment of the present invention, a guide rail that guides movement of the shielding body over the entire length of the opening is provided in the frame of the housing opening, and the guide rail includes the shielding body. A locking portion that prevents the guide rail from being detached is provided.

  A shield unit according to a preferred embodiment of the present invention has a movable shield installed inside a house opening, and the movable shield operates while being guided by a pair of guide members. And a lock means for automatically locking the shield when the shield is in a fully closed state, and the housing opening (including the shield) is provided with an abnormality detection sensor, the abnormality detection sensor being a house When a foreign object approaching, further glass vibration or breakage is detected as abnormal, an abnormality detection signal is transmitted, and the shield is located in a state other than the closed state, the shield is automatically based on the abnormality detection signal. And a control unit for the drive unit. The drive unit can be manually operated by a changeover switch.

  In the shield unit according to a preferred embodiment of the present invention, the lock (locking) means for locking the shield can be unlocked electrically and manually. More preferably, the lock means is electrically or manually operated. It has an auxiliary lock that obstructs the unlocking operation.

  The shield unit according to a preferred embodiment of the present invention has a function of notifying abnormality by turning on an alarm sound (intimidation sound) or warning light (light emission) to the outside by an abnormality signal, and further, a radio wave signal or the like. It has a report function by sending.

  The shield unit according to the preferred embodiment of the present invention can be remotely operated by an external remote control unit.

  The shield unit according to a preferred embodiment of the present invention is equipped with a rechargeable unit.

  The shield unit according to a preferred embodiment of the present invention includes a circuit that stores the occurrence of an abnormal signal, and further includes a display unit that displays the presence or absence of the stored signal.

  The shield unit according to a preferred embodiment of the present invention includes means for detecting the presence or absence of an obstacle under an operating part (including a control circuit) such as a shield in an electrically operated state in a state where there is no abnormal signal; Emergency stop (reverse) means capable of stopping safely.

  The shielding unit according to a preferred embodiment of the present invention has means for identifying an individual by a wireless tag method (radio wave type) or means for identifying an individual by image processing, and the abnormality detection signal and the identification Based on the determination signal output from the means, the control means controls the automatic operation of the shield. For example, when a predetermined signal indicating that a person approaching from the identification means is a specific person such as a householder or a registered person is input to the control means, the control means is a case where an abnormality detection signal is input. Disable this even if it exists.

  The shielding unit according to a preferred embodiment of the present invention uses a pinch sensor as disclosed in Japanese Patent Application Laid-Open No. 2002-266576. When a foreign object is detected, control is performed to stop immediately or perform a certain amount of reversing operation.

  A shielding unit according to a preferred embodiment of the present invention includes a shutter device as disclosed in Japanese Patent Laid-Open No. 2003-314171 and / or a shutter locking as disclosed in Japanese Patent Laid-Open No. 2002-266576. A device (lock device) can be used.

  The shield unit according to a preferred embodiment of the present invention is suitably applied to a house opening having a shield arranged outside the window, and also to a house opening having a shield arranged inside the window. Applied.

  In the shield unit according to a preferred embodiment of the present invention, power is supplied from an emergency power source to the proximity sensor, the control unit, and the driving unit during a power failure. Further preferably, the emergency power source is a rechargeable battery.

  The shield unit according to a preferred embodiment of the present invention further includes personal identification means, and if there is a predetermined signal from the personal identification means, the abnormality detection signal is invalidated by the control means. Further preferably, the personal identification means is a wireless tag.

  The present invention functions effectively both in a left-and-right sliding sliding window and a house opening with a fixed window.

  An embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a block diagram for explaining a shield unit according to an embodiment of the present invention.

  Referring to FIG. 1, a shield unit 1 according to an embodiment of the present invention includes a movable shield 3 that shields a house opening so as to be openable, and a driving unit 4 that automatically drives the shield 3. Detecting that a person or an object has approached the house opening from the outside and outputting an abnormality detection signal 5, and based on the abnormality detection signal 5, the driving means 4 drives the shield 3. And control means 7 for closing the house opening 2.

  FIG. 2 is a diagram for explaining an example in which the shield unit shown in FIG. 1 is applied to a house opening in which a window (window glass) 8 is installed on the outdoor side and a shield is installed on the indoor side.

  Referring to FIG. 2, a shield unit 1 according to an embodiment of the present invention is installed in a house opening 2, and the shield unit 1 is a sliding window 8 that opens left and right on the outdoor side of the house opening 2. And has a shutter-like shield 3 on the indoor side. An approach sensor 6 for detecting the approach of a suspicious person or a suspicious object is installed on the indoor side of the shield 3, and an output signal of the approach sensor 6 is sent to a control means 7 that controls a drive means 4 that drives the shield 3. Entered.

  The proximity sensor 6 can monitor both indoors and outdoors, detects moving objects, and can also detect glass breakage.

  The control unit 7 includes a receiving unit that receives the output signal of the proximity sensor 6, a determination unit that determines whether the output signal is an abnormality detection signal, and a shield of the driving unit 4 based on the determination result of the determination unit. And an output unit for outputting a signal for instructing the operation of No. 3. The control means 7 may be configured by a microcomputer that executes a program for realizing the above-described processing, and may include hardware or may be configured by hardware. As the proximity sensor 6, a known Doppler sensor, other radio wave sensor, or the like can be appropriately employed.

  The operation of the shield unit described above will be described.

  When a suspicious person approaching the shield unit 1 from the outside enters the sensing range of the proximity sensor 6, the proximity sensor 6 outputs an abnormality detection signal, and the control means 7 that has received the abnormality detection signal passes through the driving means 4. The shield 3 is lowered.

  As described in the above embodiment, the shielding unit 1 described above has a sliding window with a left and right opening on the outdoor side, and a window with a crescent that prevents the left and right opening. The present invention is preferably applied to a house opening in which a shield is installed, and is also preferably applied to a house opening having a fixed window. Moreover, in the said Example, although the thing of the ladder shape was shown as a shield, you may use a general steel shutter.

  Next, an example of a shield applied to the shield unit shown in FIG.

  FIG. 3 is a view of a ladder-shaped shield applied to the shield unit shown in FIG.

  Referring to FIG. 3, Sado shojis 11 a and 11 b are arranged inside the house opening (window frame) 2. The crescent 12 is provided in the central part of the closed Sado shoji (11a, 11b), and the Sado shoji 11a, 11b of the sliding type is fixed to each other to close the house opening (window frame) 2. it can.

  A movable ladder-shaped shield 3 is installed on the indoor side of the house opening. Both sides of the shield 3 are slidably engaged with guide rails 13a and 13b provided over the entire length of the opening, and the operation trajectory is controlled. The shield 3 is configured to include a security grid 3a and a refracting link member 3b so as to be retractable, and forms a variable surface.

  4, 5 and 6 are diagrams schematically showing various storage patterns of the shield. 4 shows the shield in the fully closed state, FIG. 5 shows a state in which the shield 3 in FIG. 4 is folded and stored, and FIG. 6 shows a state in which the shield 3 in FIG. 4 is retracted. Is shown.

  FIG. 7 is a schematic diagram for explaining a configuration in which the electric shutter is used as a shield in the shield unit according to the embodiment of the present invention.

  Referring to FIG. 7, the shield unit 1 includes a shield 3 that is an electric shutter, and a drive unit 4 that includes a motor and a gear portion connected to a rotation shaft of the motor. The driving means 4 can wind up the shield 3 that is open on the surface by using the rotational force of the motor at a reduced speed.

  Furthermore, the shield unit 1 has a main lock 20 that locks the movement of the shield 3, in particular, a lock that locks the shield 3 in a closed state, and an auxiliary lock 21 that holds the main lock 20 in a forced lock state. is doing.

  FIG. 8 is a view for explaining the configuration of the main lock and auxiliary lock mechanism shown in FIG. FIG. 9 is an operation diagram of the main lock shown in FIG.

  Referring to FIG. 8, the main lock 20 is formed in at least one position of a lock claw 27 pivotally attached in the guide rail 13 a and a horizontal lattice 3-1 that is a component of the shield 3. Lockable projection 3-3, disengagement projection 3-3 formed at the tip of projection 3-2 to prevent disengagement between lock claw 27 and projection 3-2, and lock claw 27 From the elastic body 28 biased in the direction, the tapered portion 27a formed at the upper portion of the lock claw 27, the movable pin 29a connected to the other end of the lock claw 27, the control means 7 (see FIG. 7), etc. A solenoid 29 that automatically drives the movable pin in response to a command, and a release bar 26 that is connected to the other end of the lock claw 27 and manually operates the lock claw 27 in the unlocking direction. The solenoid 29 may have the function of the elastic body 28.

  Referring to FIG. 8, the auxiliary lock 21 is configured so as to be slidable into the working space of the lock claw 27, and is manually operated between the lock claw 27 and the guide rail 13a at the lock position indicated by the solid line in FIG. Depending on the electric drive, the lock claw 27 is prevented from swinging in the release direction, and the lock of the shield 3 by the main lock 20 is not released either by electric drive or manual operation. Make it feasible.

  The operation of the main lock and the auxiliary lock will be described with reference to FIGS.

  When the shield 3 is guided to the guide rails 13a and 13b and descends to a predetermined position of the rail, the projection 3-2 comes into sliding contact with the tapered portion 27a, so that the lock claw 27 is indicated by a virtual line in FIG. When the shield 3 is further lowered to the lockable position, the sliding contact between the tapered portion 27a and the protruding portion 3-2 is released, and the protruding portion 3-2 falls into the lock claw 27 and is locked. The claw portion formed on one side of the claw 27 and the protrusion 3-2 can be engaged, and the shield 3 is prevented from rising.

  In order to automatically unlock the shield 3 by the main lock 20, the solenoid 29 is electrically driven to push up the lock claw 27 in the direction indicated by the phantom line in FIG. To unlock (unlock) manually, the other end of the lock claw 27 is lifted by operating the release bar 26, and the lock is released if held.

  Here, an example of a guide rail that is preferably employed in the shield unit 1 shown in FIG. 7 will be described.

  FIG. 10 is a diagram for explaining an example of a guide rail that is preferably employed in the shield unit 1 shown in FIG. 7.

  Referring to FIG. 10, the guide rails 13 a and 13 b that guide the movement of the shield 3 include a locking portion 31 that prevents the shield 3 from being detached from the guide rails 13 a and 13 b. In each horizontal lattice 3-1 of the shield 3, at least one groove 32 that engages with the locking portion 31 is formed. In addition, a space 33 for accommodating the main lock 20 and the auxiliary lock 21 described above is formed in the back of the guide rails 13a and 13b.

  Next, in addition to the proximity sensor 6 shown in FIG. 2, the structure of the shield unit according to one embodiment of the present invention having various sensors shown in FIG. 11 will be described.

  Referring again to FIG. 7, in addition to the proximity sensor 6, the shielding unit 1 includes a pinching detection sensor 41 that detects whether or not there is any pinching in the operating range of the shielding body 3, and the shielding body is in a closed state. An open detection sensor (open detection switch) 42 for detecting whether or not there is an upper limit stop sensor (upper limit stop switch) 43 for determining the winding upper limit of the shield 3, and a glass splitting sensor 52 (not shown). Yes.

  Referring to FIG. 11, the shield unit 1 further stores or stores the shield 3 based on the switch 44 for switching the operation of the shield 3 between the automatic operation mode and the manual operation mode and the abnormality detection signal output from the proximity sensor 6. A notification means (for example, display means) 45 for notifying abnormality based on the storage of the means 46, a storage means 46 for storing presence / absence of abnormality occurrence based on the abnormality detection signal, a timer 47, and a pinching detection sensor 41 are sandwiched. Emergency stop means 48 for stopping the movement of the shield 3 or stopping after the reversal is stopped.

  Preferably, the proximity sensor 6 or another sensor has a function of receiving identification information recorded on a wireless tag affixed to a specific person or the like, or an imaging function, and the control means (controller) 7 specifies a family member or the like. As the identification means 49 for identifying a person, there is a means for identifying an individual by a wireless tag method (radio wave type), or a means for identifying an individual by image processing, and an abnormality detection signal 5 output from the proximity sensor 6; Based on the determination signal output from the identification means 49, the control means 7 controls the automatic operation of the shield 3. As described above, the shield unit 1 has a personal identification signal unit for identifying a resident or has an identification (recognition) determination unit based on a camera image, so that the shield unit is closed even in the security monitoring mode. The security monitoring mode can be controlled by the host system so that it does not operate.

  The control means 7 and the switch 44 can be remotely operated by the remote controller 50.

  At the time of a power failure, at least the proximity sensor 6, the control means (controller) 7 and the drive means 4 are supplied with power from the rechargeable unit 51, and the security at the time of the power failure is improved. Thus, it is more desirable to equip around the electric equipment such as the drive unit and the control unit with a rechargeable unit (battery) 51 that assists the operation in the event of a power failure.

  For example, the alarm means 45 emits an alarm sound, light emission, notification, etc. For example, the control means (controller) 7 puts a light emitting LED or the like in the panel of the operation switch unit, and lights or flashes it to notify abnormality detection. To do.

  FIG. 12 is a flowchart for explaining the operation of the shield unit described above when only the proximity sensor is activated and the shield (slat) is opened.

  Referring to FIGS. 7, 11, and 12, in step 1, when the user (household) operates the switch 44 or the remote controller 50 to change the shield unit 1 from the manual operation mode to the security monitoring mode, the proximity sensor 6. Starts monitoring people and objects approaching within a predetermined range outside the house.

  In step 2, when the open detection sensor 42 detects that the shield (slat) 3 is in the open state, the process proceeds to step 3 where the security monitoring state is continued and the open state is not in the open state. In step 8, the shield 3 is raised in accordance with the setting of the user or the like.

  In step 4, when the proximity sensor 6 outputs the abnormality detection signal 5 in the crime prevention monitoring state, the control means (controller) 7 lowers the shield 3 to the drive means 4 in step 5. In Steps 6 to 7, the shield 3 is lowered until the open detection sensor 42 detects full close, and then stops operating.

  As described above, when the proximity sensor 6 outputs the abnormality detection signal 5 in step 4, in step 17, the control unit 7 stores the occurrence of abnormality in the storage unit 46 and causes the notification unit 45 to display the occurrence of abnormality. Generate sound etc. The abnormality occurrence display or the like is continued until a reset signal is input to the control means 7 in step 18.

On the other hand, when the open detection sensor 42 detects in step 2 that the shield (slat) 3 is not opened, the shield 3 is raised in step 8. During this time
That is, in Steps 9 to 16, when the pinching detection sensor 41 detects pinching of the shield 3, and the shield 3 pinches an object or the like and an overload is applied to the driving unit 4, the shield 3 Is stopped after the operation stop or reversal operation, the detection means 45 notifies the detection of pinching, and the security monitoring state is continued when the reset signal is not input to the control means 7. The pinching detection is continued by the count of the timer 47 until the open detection sensor 42 detects the full opening of the shield 3, and when the timer 47 counts up after a predetermined time has elapsed or when the full open detection is detected in step 13. The driving of the shield 3 is stopped, and the crime prevention monitoring state is continued.

  In the case of the manual operation mode, referring to steps 19 to 32, the shield 3 is lowered in response to an operation such as inputting a signal to the control means 7 by the user. Pinch detection is performed.

  FIG. 13 is a flowchart for explaining the operation of the shield unit described above when only the proximity sensor is activated and the shield (slat) is in the closed state.

  Hereinafter, differences from the processing illustrated in FIG. 12 will be mainly described.

  Referring to FIGS. 7, 11, and 13, in step 1, when the user (household) operates the switch 44 or the remote controller 50 to change the shield unit 1 from the manual operation mode to the security monitoring mode, the proximity sensor 6. Starts monitoring people and objects approaching within a predetermined range outside the house.

  In step 40, when the open detection sensor 42 detects that the shield (slat) 3 is in the closed state, the process proceeds to step 3 where the crime prevention monitoring state is continued and is not in the closed state. In step 8, the shield 3 is lowered according to the setting of the user or the like.

  In step 4, when the proximity sensor 6 outputs the abnormality detection signal 5 in the crime prevention monitoring state, since the shield 3 is already fully closed, the control means 7 stores the occurrence of the abnormality in the storage means 46 to notify the user. An occurrence of abnormality is displayed on the means 45 or a sound or the like is generated. The abnormality occurrence display or the like is continued until a reset signal is input to the control means 7 in step 18.

  On the other hand, when the open detection sensor 42 detects in step 40 that the shield (slat) 3 is not fully closed, the shield 3 starts to descend in step 41. During this time, that is, in steps 9 to 16 and 42, when the pinching detection sensor 41 detects pinching of the shield 3, the shield 3 pinches an object or the like, and an overload is applied to the driving unit 4. The shield 3 is stopped after the operation is stopped or reversed, and the notification means 45 notifies the detection of pinching. When the reset signal is not input to the control means 7, the crime prevention monitoring state is continued. The pinching detection is continued by the count of the timer 47 until the open detection sensor 42 detects the fully closed state of the shield 3, and the timer 47 counts up after a predetermined time has elapsed or the fully closed state is detected in step 42. The driving of the shield 3 is stopped and the crime prevention monitoring state is continued.

  In the case of the manual operation mode, referring to steps 19 to 32, 43 and 44, the shield 3 is lifted in response to an operation such as inputting a signal to the control means 7 by the user. The pinching detection as described above is performed.

  FIG. 14 is a flowchart for explaining the operation of the shielding unit described above when the proximity sensor and the pinching sensor are activated to open the shielding body (slat).

  Hereinafter, differences from the processing illustrated in FIG. 12 will be mainly described.

  Referring to FIGS. 7, 11, and 14, in step 4 (see also FIG. 12), when the proximity sensor 6 generates an abnormality detection signal, in steps 5 to 7 and 55, the shield 3 is confirmed to be fully closed. After the storage and notification of the occurrence of abnormality is performed and the shield 3 is deactivated, in steps 50 to 54, the glass split sensor 52 that detects the breakage of the window glass provided in the shield 3 is activated, and the glass When breakage is detected, a predetermined signal is input from the glass split sensor 52 to the control means 7, and the control means stores the glass breakage in the storage means 46 until a reset signal is input, and notifies means ( Alarm device) 45.

  FIG. 15 is a flowchart for explaining the operation of the shielding unit described above in the case where the proximity sensor and the pinching sensor are activated to close the shielding body (slat).

  Hereinafter, differences from the processing illustrated in FIG. 13 will be mainly described.

  Referring to FIGS. 7, 11, and 15, in step 4 (see also FIG. 13), when the proximity sensor 6 generates an abnormality detection signal, in step 55, the abnormality occurrence is stored and notified, and then step In 50 to 54, when the glass break sensor 52 that detects the breakage of the window glass provided in the shield 3 is activated, and the breakage of the glass is detected, a predetermined signal is sent from the glass break sensor 52 to the control means 7. The control means stores the glass breakage in the storage means 46 and causes the notification means (alarm device) 45 to notify it until the reset signal is input.

  The shield unit of the present invention is applied to an opening that requires crime prevention, such as a house opening.

It is a block diagram for demonstrating the shielding body unit which concerns on one Example of this invention. It is a schematic diagram for demonstrating the example which applied the shield unit shown in FIG. 1 to the house opening part by which the window glass was installed in the outdoor side, and the shield was installed indoors. It is the figure which looked at the ladder-shaped shielding body applied to the shielding body unit shown in FIG. 2 etc. from the indoor side. It is a figure which shows typically the various storing patterns of a shield, Comprising: It is a schematic diagram which shows the shield in a fully closed state. It is a schematic diagram which shows a mode that the shielding body of FIG. 4 was folded and stored. It is a schematic diagram which shows a mode that the winding type of the shielding body of FIG. 4 was stored. It is a schematic diagram for demonstrating the structure which used the electrically-driven shutter as a shielding body in the shielding body unit which concerns on one Example of this invention. It is a figure for demonstrating the structure of the main lock and auxiliary | assistant lock mechanism shown in FIG. FIG. 9 is an operation diagram of the main lock shown in FIG. 8. It is a figure for demonstrating an example of the guide rail employ | adopted suitably in the shielding body unit shown in FIG. It is a figure for demonstrating the structure of the shield unit based on one Example of this invention which has various sensors in addition to the proximity sensor shown in FIG. It is a flowchart for demonstrating operation | movement of the shield unit demonstrated above in the case where only a proximity sensor act | operates and a shield (slat) is an open state. It is a flowchart for demonstrating operation | movement of the shield unit demonstrated above in the state which only the proximity sensor act | operates and the shield (slat) is closed. It is a flowchart for demonstrating operation | movement of the shield unit demonstrated above in the state in which the proximity sensor and the pinch sensor act | operate and the shield (slat) is an open state. It is a flowchart for demonstrating operation | movement of the shield unit demonstrated above in the state in which the proximity sensor and the pinch sensor act | operate and the shield (slat) is closed.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shield body unit 2 Housing opening part 3 Shield body 3a Crime prevention horizontal lattice 3b Refraction link member 3-1 Horizontal lattice 3-2 Protrusion part 3-3 Detachment prevention protrusion 4 Drive means 5 Abnormality detection signal 6 Proximity sensor 7 Control means 8 windows (window glass)
11a, 11b Sado shoji 12 Crescent 13a, 13b Guide rail 20 Main lock 21 Auxiliary lock 26 Release bar 27 Lock claw 27a Tapered portion 28 Elastic body 29 Solenoid 29a Movable pin 31 Locking portion 32 Groove 33 Space 41 Pinch detection sensor 42 Open detection Sensor (open detection switch)
43 Upper limit stop sensor (upper limit stop switch)
44 Switch 45 Notification means (alarm equipment)
46 Memory means 47 Timer 48 Emergency stop means 49 Identification means 50 Remote control 51 Rechargeable unit 52 Glass split sensor

Claims (11)

A movable shield for releasably shielding the house opening;
Driving means for automatically driving the shield;
An proximity sensor that detects that a person or object has approached the house opening from the outside and outputs an abnormality detection signal;
And a control unit configured to cause the driving unit to drive the shield based on the abnormality detection signal and close the housing opening.   The shielding unit according to claim 1, further comprising a switch for switching the driving means between an automatic operation mode and a manual operation mode.   The shield unit according to claim 1, further comprising a main lock that locks the shield in a closed state, and an auxiliary lock that blocks an unlocking operation of the main lock.   The shielding unit according to claim 1, further comprising means for notifying abnormality based on the abnormality detection signal.   The shielding unit according to claim 1, further comprising: a storage unit that stores presence / absence of abnormality based on the abnormality detection signal; and a display unit that notifies presence / absence of abnormality based on the storage.   A pinch detection sensor that detects whether or not there is a pinch in the operating range of the shield, and if the pinch detection sensor detects a pinch, the movement of the shield is stopped or stopped after reversing is stopped. The shielding unit according to claim 1, further comprising emergency stop means. The frame of the housing opening is provided with a guide rail that guides the movement of the shield over the entire length of the opening,
The shield unit according to claim 1, wherein the guide rail includes a locking portion that prevents the shield from being detached from the guide rail.   2. The shielding unit according to claim 1, wherein power is supplied from an emergency power source to the proximity sensor, the control unit, and the driving unit during a power failure.   The shielding unit according to claim 8, wherein the emergency power source is a rechargeable battery.   The shielding unit according to claim 1, further comprising a personal identification unit, wherein if there is a predetermined signal from the personal identification unit, the abnormality detection signal is invalidated by the control unit.   The shielding unit according to claim 10, wherein the personal identification means is a wireless tag.

Images