JP6567898B2 - Shutter device - Google Patents

Description

The present invention relates to a shutter equipment including overhead door, is particularly the opening and closing of the closed state, about the shutter device capable of opening operation by the operation of the hydraulic switch according connection, such fire hoses fire brigade.

Conventionally, as described in Patent Document 1, this type of invention is based on an emergency opening device that activates an emergency power supply device by a water pressure switch to raise an opening / closing body (shutter curtain), and an input of a disaster prevention signal. Some have an automatic closing device that lowers the weight of the opening and closing body.
In such an opening / closing device, the switch for direct operation is not exposed to the outside for reasons such as crime prevention, and the opening / closing body opens when the water pressure switch is operated by water discharge from a fire brigade or the like. I am doing so.

However, since water discharge by a fire brigade or the like requires a certain amount of work time, it may be required to open the opening / closing body promptly without requiring the operation of the water pressure switch in an emergency such as a disaster.
There may be an emergency release button inside the opening / closing body that is operated by a person inside the building and used to escape in an emergency, but it is necessary for the person inside the building to operate the emergency release button. Therefore, operation is difficult when there are no people in the building. Moreover, even if there are people in the building, there is a possibility that the people in the building may not know the position of the emergency release button or may be injured and delay the opening.

JP 2007-23594 A

  The present invention has been made in view of the above-described conventional circumstances, and a problem to be solved by the present invention is to provide an opening / closing device capable of quickly opening an opening / closing body without operation of a water pressure switch.

One means for solving the above problems is an opening / closing body that can be opened from a closed state, a water pressure switch that receives a water pressure outside the opening / closing body and outputs a water pressure sensing signal, and an opening / closing device that opens the opening / closing body. A manual operation unit that is provided inside the opening / closing body in the structure to be installed with the shutter device and capable of manual opening operation, and a control circuit, and an automatic opening signal is supplied to the control circuit in an emergency. The shutter device is configured to be input, and the automatic opening signal includes a detection signal by a sensor provided in the structure and detecting a state in the structure, and a signal cable from the outside of the structure. An external signal having a voltage input to the control circuit, and the control circuit determines whether or not the opening / closing body is in a fully closed state, and the manual operation is performed when the opening / closing body is not in a fully closed state. Part A processing routine for normal operation according to an operation is executed, and if the open / close body is in a fully closed state, it is determined whether there is a detection signal from the sensor and whether there is the external signal. When there is a sensing signal from the sensor and there is also the external signal, the switch is operated to open the opening / closing body . Otherwise, the presence / absence of an opening signal from the water pressure switch is determined and the control is performed. The circuit operates the opening / closing body to open the opening / closing body when there is an opening signal by the water pressure switch, and if not, determines whether there is an opening signal by the manual operation unit and the control The circuit is a shutter device that operates the opening / closing device to open the opening / closing body when there is an opening signal from the manual operation unit .

  Since the present invention is configured as described above, the opening / closing body can be quickly opened without operation of the water pressure switch.

It is a front view which shows an example of the switchgear concerning this invention. It is a block diagram which shows the control circuit of the switchgear. It is a flowchart which shows the example of control of the switchgear.

The first feature of the present embodiment is an opening / closing body that can be opened from a closed state, a water pressure switch that receives a water pressure outside the opening / closing body and outputs a water pressure sensing signal, and an opening / closing device that opens the opening / closing body. And a control circuit, wherein an automatic opening signal is input to the control circuit in an emergency, wherein the control circuit is configured to input the automatic opening signal when the opening / closing body is in a closed state. On the condition that there is, the opening / closing body is opened by operating the switch.
Here, in the “closed state”, the closing direction end of the opening / closing body is in a fully closed state in which the end of the opening / closing body is in contact with a contact target site (floor surface, lower frame, etc.), Including a state in which a gap (for example, a gap for ventilation) that is difficult to pass is secured and partially closed.
According to the said structure, even if there is no operation which operates a water pressure switch, the open / close body in a closed state can be automatically opened by receiving an automatic opening signal.

  The second feature is that, as a specific means for realizing quick opening, the automatic opening signal is provided to a structure to be installed of the opening / closing device, and a detection signal by a sensor for detecting a state in the structure. It is.

  As a third feature, as a specific means for realizing quick opening, the automatic opening signal is an external signal having a voltage input to the control circuit through a signal cable from the outside of the structure.

  A fourth feature is a sensor that is provided in a structure to which the switchgear is to be installed and senses a state in the structure in order to prevent the switchgear from being unintentionally opened due to malfunction or the like. And a voltage-controlled external signal input to the control circuit via a signal cable from the outside of the structure, the control circuit as the automatic opening signal, The opening / closing body is opened by operating the opening / closing device on condition that there is a detection signal from the sensor and the presence of the external signal.

  A fifth feature is that the external signal is transmitted from a disaster prevention management organization outside the structure.

Next, a preferred embodiment having the above features will be described in detail with reference to the drawings.
The opening / closing device 1 according to the present embodiment is disposed in an opening portion (including a window and an entrance) of a housing such as a house, building, warehouse, factory, underground mall, tunnel, or vehicle loading platform, and is a shutter device that opens and closes the opening portion. An example applied to is described.

  The opening / closing apparatus 1 includes an opening / closing body 10 that is opened by linearly sliding an end in a closing direction in a fully closed state, and an end of the opening / closing body 10 in the lateral width direction (left-right direction according to FIG. 1). A guide rail 20 that surrounds and guides in the opening and closing direction, a winding device 30 that winds and unwinds the opening and closing body 10 on its upper side, and a water pressure switch that receives a water pressure outside the opening and closing body 10 and outputs a water pressure sensing signal 50, a manual operation unit 60 used for manually operating the opening / closing operation of the opening / closing body 10 inside the opening / closing body 10, and a control circuit 70, and an automatic opening signal (external signals, sensor signals, etc. described later) in an emergency. ) Is input to the control circuit 70.

The opening / closing body 10 constitutes the opening / closing body main body 11 by connecting a plurality of so-called slats 11a formed by bending a horizontally-long substantially rectangular metal plate so as to rotate between the vertically adjacent slats 11a, 11a. The opening / closing body main body 11 is provided with a seat plate switch 10a on the closing direction end portion side (lower end side in the illustrated example) for detecting an obstacle on the lower side by contact with the movable seat plate 12. Yes.
Other examples of the opening / closing body 10 include one or a plurality of panels, a mode in which a fire-resistant (including flame retardant) sheet-like material or net-like material is arranged in the opening / closing direction, or a slat, a panel, It is also possible to adopt an embodiment in which pipes, sheets, nets and the like are appropriately combined.

  In the present specification, the outside of the opening / closing body 10 is one side in the thickness direction of the opening / closing body 10 in the closed state, and is the side where a fire brigade or the like approaches the opening / closing body 10 from a distance. The inside of the opening / closing body 10 is the other side in the thickness direction of the opening / closing body 10 in the closed state, and is the opposite side to the outside of the opening / closing body 10, in other words, a disaster such as a fire in the opening / closing body 10 This is the side that is supposed to occur. When the opening / closing body 10 is opened, it is assumed that a fire brigade or the like passes under the opening / closing body 10 and enters the inside from the outside of the opening / closing body 10.

  The guide rail 20 is a member having a substantially U-shaped cross section that surrounds the widthwise end of the opening / closing body 10, and a contact target portion F (for example, a floor surface, the ground, a frame member, etc.) seated by the opening / closing body 10. Etc.) and the winding device 30.

  The winding device 30 includes a winding shaft 32 that winds and unwinds the opening / closing body 10 in a substantially box-shaped storage portion 31, and the winding shaft 32 via a power transmission means 33 such as a chain and a sprocket. An opening / closing device 40 that rotates and brakes the drive and a control circuit 70 described later are provided.

The switch 40 is a switch having a known structure disclosed in, for example, Japanese Utility Model Publication No. 01-118084, and brakes the rotation of the electric motor (not shown) for rotating the winding shaft 32. A brake mechanism (not shown) is provided.
The switch 40 has a limit switch (for example, a well-known counter type limit switch not shown) that detects the fully closed position and the fully opened position of the opening / closing body 10 based on the rotation amount of the output shaft and outputs the detection signal. Is provided.

  The water pressure switch 50 is composed of a water supply port to which a fire hose fire extinguishing hose is connected in the event of a fire, a water pressure switch body that operates by supplying water to the water supply port, and outputs a signal. It is arrange | positioned by the wall surface etc. of the outer side (outdoor side) rather than the opening / closing body 10 in the structure installed.

The manual operation unit 60 includes an opening switch, a closing switch, a stop switch, and the like that are manually operated to open / close / close the opening / closing body 10, and the opening / closing device 1 is installed therein. It is arrange | positioned on the wall surface etc. inside (indoor side) rather than the opening / closing body 10 in a thing.
When the open switch, the close switch, or the stop switch is operated, the manual operation unit 60 outputs a signal (open signal, close signal, or stop signal) corresponding to the operated switch.

The control circuit 70 is an electric circuit configured by a programmed logic circuit such as a microcomputer circuit or a sequencer, or a wired logic circuit such as an electronic circuit or a relay circuit. The control circuit 70 includes a water pressure detection signal by the water pressure switch 50 and a manual operation unit 60. The operation of the switch 40 is controlled based on inputs of a manual operation signal, an automatic opening signal described later, and the like.
According to the illustrated example, the control circuit 70 is provided in the storage unit 31 of the winding device 30. However, as another example, the control circuit 70 may be configured by a plurality of electric circuits provided inside and outside the storage unit 31. It is.
The control circuit 70 includes a battery power source 71, and is operated by a commercial power source during normal times and an automatic switching device 72 so that it operates by the battery power source 71 during a power failure.

Next, the control characteristics of the opening / closing body 10 having the above configuration will be described in detail with reference to the flowchart shown in FIG.
First, the control circuit 70 determines whether or not the opening / closing body 10 is in a fully closed state based on a signal from a limit switch of the opening / closing machine 40 (step 1). If it is in a fully closed state, the process proceeds to the next step 2. Otherwise, the process proceeds to step 1a.

  In step 1a, for example, a processing routine of normal operation as the opening / closing device 1 is executed, such as opening the opening / closing body 10 when there is an opening command from the manual operation unit 60, another remote controller, or the like. Processing returns to step 1.

In step 2, the presence / absence of an external signal is determined. If there is an external signal, the process proceeds to step 3; otherwise, the process proceeds to step 3a.
Here, the external signal is a voltage signal input to the control circuit 70 by a signal cable from the outside of the structure to which the switchgear 1 is installed. This external signal may be, for example, a signal transmitted automatically or manually from a disaster management organization (such as a well-known disaster prevention center) outside the structure.

In step 3, the presence or absence of a sensing signal (referred to herein as a sensor signal) by a sensor that senses the internal state of the structure is determined. If there is an external signal, the process proceeds to step 4, Otherwise, the process proceeds to step 3a.
Here, the sensor may be, for example, a fire sensor (including a smoke sensor and a heat sensor) that detects the occurrence of a fire and emits a detection signal thereof. This sensor signal is input to the control circuit 70 by wire or wirelessly.

In Step 3a, it is determined whether or not there is an open signal from the water pressure switch 50. If there is an open signal, the process proceeds to Step 4, and if not, the process proceeds to Step 3b.
For example, when a fire brigade or the like connects a fire hose to the water supply port of the water pressure switch 50 and starts water supply, an output signal from a water pressure switch body (not shown) of the water pressure switch 50 is input to the control circuit 70, and the control circuit 70 70 proceeds to step 4.

In step 3b, it is determined whether or not there is an open signal by the manual operation unit 60. If there is an open signal, the process proceeds to step 4; otherwise, the process returns to step 1.
For example, when an opening operation is manually performed on the manual operation unit 60 inside the structure, an opening signal from the manual operation unit 60 is input to the control circuit 70, and the control circuit 70 proceeds to step 4. To proceed.

In step 4, by operating the opening / closing machine 40, the winding shaft 32 is rotated in the winding direction, and the opening operation of the opening / closing body 10 is started.
As the power source for the opening operation, a commercial power source is used when a power failure or the like has not occurred, and when a power failure or the like has occurred, the power source wiring is switched by the automatic switching device 72, and the battery power source 71 is used.
The opening operation of the opening / closing body 10 is stopped when the fully open state of the opening / closing body 10 is detected by the limit switch of the opening / closing machine 40 or when a stop signal is received from the manual operation unit 60.

Therefore, according to the switchgear 1 configured as described above, for example, even when the arrival of a fire brigade or the like or the operation of connecting the fire hose takes time and the water pressure switch 50 is not activated, the external signal described above is used. The automatic opening signal such as a sensor signal can be used to automatically open the open / close body 10 in a closed state. As a result, fire fighting activities and evacuation activities for evacuating people inside the structure quickly Can be done.
In addition, according to the above embodiment, the opening / closing body 10 is opened on condition that there are a plurality of signals such as the external signal and the sensor signal. It is possible to prevent the opening / closing body 10 from opening due to a mistake or the like.

As another example, in order to give priority to the certainty of automatic opening of the opening and closing body 10, the control program of the control circuit 70 is changed, and either one of the external signal and the sensor signal is changed. It is also possible to adopt a configuration in which the opening / closing body 10 is operated to open on the condition that it exists.
Furthermore, as another example, in order to achieve a simpler structure, only one of the external signal and the sensor signal is input to the control circuit 70, and the determination based on the one signal is performed. Thus, the opening / closing body 10 can be opened.

  In addition, according to the above embodiment, as a preferable mode for avoiding cross-talk with other signals, the external signal is input to the control circuit 70 through a wired connection using a signal cable. Can be input to the control circuit 70 wirelessly.

  Further, according to the above embodiment, the opening / closing body 10 which is stationary in the fully closed state is opened by the automatic opening signal or the like, but as another example, the opening / closing which is stationary in the closed state having a gap on the lower end side. The body 10 may be configured to open by the automatic opening signal or the like.

1: Opening / closing device 10: Opening / closing body 40: Opening / closing machine 50: Water pressure switch 60: Manual operation unit 70: Control circuit

Claims (4)

An opening / closing body that can be opened from a closed state, a water pressure switch that receives a water pressure outside the opening / closing body and outputs a water pressure sensing signal, an opening / closing device that opens the opening / closing body, and a structure that is a target of installation of the shutter device A shutter device comprising a manual operation unit that is provided inside the opening / closing body of an object and capable of manual opening operation, and a control circuit, wherein an automatic opening signal is input to the control circuit in an emergency. ,
The automatic opening signal includes a sensing signal provided by a sensor that is provided in the structure and senses a state in the structure, and an external signal having a voltage input to the control circuit by a signal cable from the outside of the structure. And include
The control circuit determines whether or not the opening / closing body is in a fully closed state, and when the opening / closing body is not in a fully closed state, executes a processing routine of a normal operation according to an operation of the manual operation unit, and If the body is fully closed, it is determined whether there is a sensing signal from the sensor and the external signal,
The control circuit operates the switch to open the opening / closing body when there is a sensing signal from the sensor and the external signal , and if not, the presence / absence of an opening signal from the water pressure switch. Judging
The control circuit operates the switch to open the opening / closing body when there is an open signal from the water pressure switch, and if not, determines whether there is an open signal from the manual operation unit,
The shutter circuit according to claim 1, wherein the control circuit operates the opening / closing device to open the opening / closing body when there is an opening signal from the manual operation unit . 2. The control circuit according to claim 1, wherein the control circuit returns the process to the determination as to whether or not the opening / closing body is in a fully closed state when there is no opening signal in the determination of the presence / absence of the opening signal by the manual operation unit. The shutter device described. The shutter device according to claim 1, wherein the external signal is a signal transmitted from a disaster prevention management organization outside the structure . The shutter device according to claim 1, wherein the sensor is a fire alarm .

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