JP7333153B2 - Switching device and external power conversion device for switching device - Google Patents

Description

The present invention relates to an opening/closing device configured to partition an opening of a structural frame including buildings such as houses, buildings, factories, warehouses, and garages using an opening/closing member such as a shutter, and such an opening/closing member. It relates to an external power conversion device for equipment, and is suitable for opening and closing an opening/closing body by controlling an electric opening/closing device (motor, etc.) using an external power supply, especially in the event of a commercial power failure. The present invention relates to body devices and external power converters for such opening and closing body devices.
Hereinafter, in this specification, the "external power conversion device for the switchgear device" will be referred to as the "external power conversion device for the switchgear device".

Opening and closing devices such as shutter curtains are installed at the entrances and windows of structures including buildings such as houses, buildings, factories, warehouses, garages, etc., or at openings such as internal passages and spaces, and are used to open and close them. It opens and closes the opening by moving the body. This opening/closing device includes a slat curtain made up of a large number of strip-shaped slat materials, a pipe grill curtain made up of a large number of pipe materials connected by a link material, etc., a panel curtain made up of a single panel material or a large number of connected panel materials, An opening/closing body such as a net curtain made of net material, a sheet curtain made of sheet material made of synthetic resin or fabric fibers, or a composite curtain made of a composite material of these materials is pulled out from the top of the opening and lowered to cover the entire opening. configured to close. In such an opening/closing body device, the opening/closing operation of the opening/closing body is often electrically performed. Electric opening/closing devices include an electric shutter device, an electric door device, an electric awning device, and the like.

In general, an electric opening/closing body device drives the opening/closing body for opening and closing the opening/closing space of a structure such as a building up and down by means of an opening/closing device (motor, etc.) placed in the ceiling space of the structure or in the shutter case. It's like In such an electric opening/closing device, when a predetermined operation is performed in the event of a power failure, the opening/closing member itself is lowered by its own weight and is held in a fully closed state. Therefore, conventionally, when opening the fully closed opening and closing body during a power failure, the opening and closing body is hoisted by rotating the output rotating shaft (rotating shaft) of the opening and closing device with a manual operation handle provided in the vicinity thereof. I was trying to open it.

Among such electric opening/closing devices, even in the event of a power outage due to a fire, the opening/closing device can be electrically operated by connecting a fire brigade hose to a water supply port (water supply port) and discharging water. Some are equipped with an emergency power supply configured to open the The emergency power supply device is configured by mounting electronic components such as a standby power source composed of a battery and an inverter device. This emergency power supply system is connected to external devices such as an automatic closing device for the opening and closing device, an obstacle detection device, an interlocking relay for harm prevention, an operation switch with a start button and a water pressure switch, and an external power supply line. there is As an opening/closing device provided with such an emergency power supply device, one described in Patent Document 1 is known. In addition, there is a power generator that uses a generator to supply power to a control device of a switch (motor, etc.) when a commercial power supply fails.

JP 2009-79457 A

When using the manual operation handle during a commercial power outage, it is necessary for the operator to climb on a stepladder to open the inspection door provided at the top of the opening/closing body while opening/closing the opening/closing body. Yes, the operation was very troublesome. On the other hand, when an emergency power supply device such as that described in Patent Document 1 is provided, the equipment cost increases and it is necessary to periodically replace the battery of the standby power supply. Alternatively, even when a generator is used, the equipment cost increases and maintenance such as replenishment of fuel to the generator and oil change is required.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned points, and provides an opening/closing body device capable of easily opening/closing the opening/closing body during a power failure without greatly increasing the equipment cost and maintenance work. An object of the present invention is to provide an external power conversion device for an opening/closing body device.

A first feature of the opening/closing body device of the present invention is that opening/closing means provided on the periphery of the opening, opening/closing control means for electrically controlling each operation of opening/closing of the opening/closing means, and an in-vehicle opening/closing device mounted on the vehicle. A conversion means connected to a battery for converting DC power input from an on-vehicle battery into AC power of the same voltage as the commercial power supply and outputting the power; and switching means for supplying the output of the conversion means to the opening/closing control means in the event of a power failure.

Opening and closing means are opening and closing members such as shutter curtains that electrically open and close doorways, windows, and internal passages and spaces in structures such as houses, buildings, factories, warehouses, and garages. Configured. In the case where the opening/closing means is a shutter curtain, it is housed in the upper part, which is one of the peripheral parts of the opening of the building, etc., and the shutter curtain descends through the lintels to electrically open and close the opening. . In addition to this, the opening/closing means is housed on the side of the opening and is electrically opened/closed by a horizontal pulling method, or the opening/closing means is housed in the lower part of the opening and is electrically opened/closed by a lifting method. Sometimes I do. Further, the opening/closing means includes those that can fully close the opening and those that cannot fully close the opening.

The opening/closing body device of the present invention is installed at and near entrances and windows of structures such as houses, buildings, factories, warehouses, and garages, or openings such as internal passages and spaces. Vehicles such as automobiles and forklifts can easily approach. Vehicles such as automobiles and forklifts are equipped with a battery, and by using the on-vehicle battery, there is no need to use an emergency power supply device or a generator as described in Patent Document 1, and in the event of a power failure. It becomes possible to easily perform the opening/closing operation of the opening/closing body. The on-board battery does not need to be removed from a vehicle such as an automobile or a forklift, and the vehicle equipped with the on-board battery is moved to the vicinity of the opening/closing body device, and the work of connecting the conversion means is performed while the on-board battery is attached to the vehicle. Do it. In-vehicle batteries as external power sources are not limited to automobiles and forklifts, but are used around openings such as doorways, windows, and internal passages and spaces in structures such as houses, buildings, factories, warehouses, and garages. Also includes those mounted on other vehicles capable of traveling inside.

A second feature of the opening/closing body apparatus of the present invention is that the opening/closing body apparatus according to the first feature is provided with a control unit in which the opening/closing control means and the switching means are mounted in one control panel.
By installing the switching control means and the switching means in one control panel, duplication of parts such as circuit breakers required for the switching control means and the switching means is avoided, and the number of parts is reduced, and wiring and piping members are reduced. is reduced. Therefore, it is possible to reduce the equipment cost of the device, and the installation space of the device is reduced. Also, wiring and piping work during assembly is reduced.

A third feature of the opening/closing body apparatus of the present invention is the opening/closing body apparatus according to the second feature, wherein the control unit includes switch means having respective push button switches for opening/closing of the opening/closing means, and opening/closing control means. However, it is to control the opening/closing operation of the opening/closing means in accordance with the operating state of the switch means.
By providing the switch means in the control unit, when an independent operation switch is conventionally provided, after installing the control unit near the opening/closing means, the conventional independent operation switch can be separated from the opening/closing means. It can be placed in a convenient place to improve convenience. Alternatively, it is possible to omit the conventional independent operation switch and reduce the facility cost of the device.

A fourth feature of the opening/closing body device of the present invention is that in the opening/closing body device according to the first, second or third feature, the switching means includes connector means for connecting the conversion means. be.
Normally, the conversion means can be detached from the connector means and stored in another storage place, and when the commercial power supply is cut off, the conversion means brought from the storage place can be connected to the connector means, and the qualification of an electrician is required. It becomes possible to supply the necessary electric power from the conversion means to the switching means without executing any serious electrical work.

A fifth feature of the switchgear device of the present invention is that in the switchgear device according to the first, second, third or fourth feature, the conversion means converts the input current from the on-vehicle battery to a predetermined value. The present invention is provided with a circuit breaker that cuts off the input current from the vehicle-mounted battery when the voltage reaches the limit.
By providing the circuit breaker on the input side, even if the input current from the on-vehicle battery is abnormally large, the input current is cut off to improve safety.

A sixth feature of the switchgear device of the present invention is the switchgear device according to the first, second, third, fourth or fifth feature, wherein the conversion means comprises a plurality of primary switches for different input voltages. and a voltage switching circuit for switching the connection of the onboard battery to the primary side input terminal of the transformer according to the voltage of the onboard battery.
By providing a transformer having a plurality of primary side input terminals for different input voltages and a voltage switching circuit for switching the connection of the onboard battery to the primary side input terminal of the transformer, any one of the plurality of onboard batteries with different voltages can be selected. It becomes possible to use either, and the convenience improves.

A first feature of the external power conversion device for an opening/closing device according to the present invention is opening/closing means provided on the periphery of an opening, opening/closing control means for electrically controlling each operation of opening/closing of the opening/closing means, and a commercial power supply. is supplied to the switching control means, and in the event of a power failure of the commercial power supply, an external power source conversion device for a switching device for a switching body device, comprising switching means for supplying power based on the external power supply to the switching control means. It is connected to an in-vehicle battery as a power supply, and has conversion means for converting DC power input from the in-vehicle battery into AC power of the same voltage as the commercial power supply, and switching means for switching the power converted by the conversion means to the switching device. It is to output to.
This provides an external power conversion device for a switchgear device as a disaster prevention device for use in the event of a power failure. provided.

A second feature of the external power conversion device for a switchgear device according to the present invention is that in the external power conversion device for a switchgear device according to the first feature, the conversion means converts the input current from the vehicle battery to a predetermined value. is provided with a circuit breaker that cuts off the input current from the vehicle-mounted battery when the voltage reaches
By providing the circuit breaker on the input side, even if the input current from the on-vehicle battery is abnormally large, the input current is cut off to improve safety.

A third feature of the external power source conversion device for a switchgear device of the present invention is the external power source device for a switchgear device according to the first or second feature, wherein the conversion means comprises a plurality of primary converters for different input voltages. and a voltage switching circuit for switching the connection of the onboard battery to the primary side input terminal of the transformer according to the voltage of the onboard battery.
By providing a transformer having a plurality of primary side input terminals for different input voltages and a voltage switching circuit for switching the connection of the onboard battery to the primary side input terminal of the transformer, any one of the plurality of onboard batteries with different voltages can be selected. It becomes possible to use either, and the convenience improves.

A fourth feature of the external power conversion device for a switchgear device of the present invention is that, in the external power conversion device for a switchgear device according to the first, second or third feature, a vehicle-mounted battery and an external power conversion device are an AC cable for connecting the external power conversion device and the switching means of the switchgear device; and a portable case for housing the external power conversion device, the DC cable, and the AC cable. That's what it is.
Since the external power conversion device, DC cable and AC cable are housed in the portable case, the connection work can be performed immediately by preparing the vehicle battery and the portable case.

According to the opening/closing body device and the external power conversion device for the opening/closing body device of the present invention, there is an effect that the opening/closing operation of the opening/closing body can be easily performed in the event of a power failure without significantly increasing the equipment cost and maintenance work. be.
Further, according to the external power source conversion device for the opening/closing body device of the present invention, there is an effect that it is possible to provide a disaster prevention device for a power failure at a low cost, which can easily perform the opening/closing operation of the opening/closing body during a power failure. .

1 is a diagram showing an example of a schematic configuration of a shutter device, which is an opening/closing device according to the present invention; FIG. It is a figure explaining operation|movement of each apparatus in the opening-and-closing body apparatus which concerns on this invention. 1 is a diagram showing an example of a circuit configuration of an external power conversion device in an opening/closing device according to the present invention; FIG. FIG. 4 is a diagram showing another example of the circuit configuration of the external power converter in the opening/closing device according to the present invention; FIG. 4 is a diagram showing another example of the schematic configuration of the shutter device, which is the opening/closing device according to the present invention; It is a figure which shows an example of a structure of the control unit in the opening-and-closing body apparatus which concerns on this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows an example of the external power supply converter for opening-and-closing body apparatuses which concerns on this invention.

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of an opening/closing device according to the present invention will be described below with reference to the accompanying drawings. In this embodiment, a shutter device having a shutter curtain that is opened and closed vertically as an opening/closing means will be described as an example. FIG. 1 is a diagram showing an example of a schematic configuration of a shutter device, which is an opening/closing device according to the present invention. In FIG. 1, an opening/closing device 10 is a shutter device for vertically opening and closing an opening of a doorway.

The opening/closing body device 10 is provided at an opening of a building, and basically includes a shutter case 11, a shutter curtain 12, guide rails 13 and 14, a winding shaft 15, a chain 16, a motor 17, a position detection device 172, It includes a control device 18, an obstacle sensor 185, an operation switch 19, a power switching device 20, a connector 20a, an external power conversion device 30, and the like. Normally, the opening/closing device 10 drives a motor 17, which is an opening/closing device, according to the operation of the operation switch 19 to control opening/closing. Furthermore, in this opening/closing body device 10, the open state in which the shutter curtain 12 is wound around the winding shaft 15 is held by a mechanical holding mechanism (not shown). When an emergency signal BS or the like indicating the occurrence of the shutter is input to the control device 18, the holding mechanism is released from holding the open state, and the shutter curtain 12 naturally descends under its own weight to automatically close the opening. It also has the function to

The guide rails 13 and 14 are provided at both ends of the opening of the building so as to be in contact with both ends of the shutter curtain 12, and extend from the lintel to the floor and have a U-shaped cross section. It is composed of a metal member or a member equivalent to this. The shutter curtain 12 moves up and down along the guide grooves of the guide rails 13 and 14 to open and close the opening.

The winding shaft 15 is rotatably provided on both end sides of the shutter case 11 to wind up and rewind the shutter curtain 12 . The chain 16 connects a driving sprocket provided on the rotation shaft of the motor 17 and a driven sprocket provided on the rotation shaft of the winding shaft 15 . Therefore, the rotational driving force of the motor 17 is transmitted to the winding shaft 15 side via the chain 16, and when the motor 17 rotates, the winding shaft 15 rotates via the chain 16, and the shutter curtain 12 is opened and closed. It is supposed to be controlled.

The motor 17 is provided with a position detector 172 (see FIG. 2) for detecting its rotational position, that is, the open/closed position and open/closed state of the shutter curtain 12 . The position detection device 172 is composed of a pulse-generating rotary encoder or the like. Since a pulse signal corresponding to the rotation of the motor 17 is output to the control device 18, the rotational position of the motor 17 and the position of the closing side tip of the shutter curtain 12 at the opening can be controlled based on the generation of this pulse. The device 18 will calculate it.

The control device 18 has a microcomputer configuration and is supplied with power from a power line AC via a power switching device 20 . The control device 18 controls the rotation of the motor 17 based on a control signal corresponding to the operation state of each operation button on the operation switch 19, a signal from the position detection device 172 provided on the motor 17, a signal from the protector, and the like. control, and release the holding mechanism based on the emergency signal BS.

The operation switch 19 has a rise (open) button 19A, a stop (stop) button 19B, and a fall (close) button 19C as control switches corresponding to each operation of opening and closing. It outputs the control signal to the control device 18 . Although not shown in FIG. 1, the control device 18 can also be operated by a wireless remote controller.

The emergency signal BS is a signal with a voltage of 24 [V] supplied from an external control room or the like in the event of an emergency such as a fire, and is input to a non-illustrated harm prevention interlock relay in the control device 18 . Along with the input of the emergency signal BS from the outside, or instead, a temperature sensor or the like is provided inside the shutter case 11 and near the opening of the lintel, that is, the part where the shutter curtain 12 moves up and down. may As this temperature sensor, the contact is always on, and when the contact reaches a predetermined temperature (an arbitrary temperature in the range of 100 to 300 degrees Celsius), the contact opens and turns off. It may be composed of a high-temperature bimetal type thermostat or the like, and may output a signal indicating that a fire or the like has occurred as a signal corresponding to the emergency signal BS when the contact is opened.

The obstacle sensor 185 has a transmitter provided at the lower end (seat plate) of the shutter curtain 12. When an obstacle is detected, a detection signal corresponding to the movement of the built-in seat plate switch is sent to the controller 18. In addition, when the seat plate switch returns after removing the obstacle, a return signal is transmitted. The transmission of signals from the transmitter of the obstacle sensor 185 to the control device 18 is not limited to the wired system as shown in the drawing, but may be a wireless system using a battery as a power source. A seat plate switch is provided at the lower end of the shutter curtain 12 to move upon contact with an obstacle, and a tape switch is provided along the height direction of the guide rails 13 and 14 by the moving force of the seat plate upon contact with the obstacle. or a configuration in which a sensing signal is output from the tape switch to the control device 18 by wire. In addition, a light emitting/receiving sensor such as a phototube or an LED may be provided in the opening, and an obstacle may be sensed in a non-contact manner by image recognition or the like.

FIG. 2 is a diagram for explaining the operation of each device in the opening/closing device according to the present invention. The control device 18 controls the motor 17 with power supplied from the power switching circuit 20 based on signals from the operation switch 19, the obstacle sensor 185 and the position detection device 172, and the emergency signal BS. Note that FIG. 2 omits illustration of the connection relationship of the commercial power supply to other than the control device 18 .

The power supply switching circuit 20 of this example is a manual switch that is manually switched by the operator, and is normally connected to the power line AC side, so that the power of the commercial power supplied from the power line AC is sent to the control device 18. supply. When the commercial power supply fails, the operator manually switches the power supply switching circuit 20 to the external power conversion device 30 side, and the power supply switching circuit 20 supplies the power supplied from the external power conversion device 30 to the control device 18. do. As the power supply switching circuit 20, an automatic switch that detects the power of the commercial power supplied from the power line AC and automatically switches to the external power converter 30 side when the commercial power fails may be used.

The external power conversion device 30 converts the DC power input from the vehicle-mounted battery 40 into three-phase AC power of 200 [V], which is the same voltage as the commercial power supply, and outputs the power to the power switching circuit 20 . Here, the in-vehicle battery 40 is a battery mounted in a vehicle such as an automobile or a forklift, and is usually 12 [V] for gasoline vehicles, 24 [V] for diesel vehicles, and 24 or 48 [V] for electric forklifts. voltage battery is used.

In FIG. 1, an opening/closing device 10 is installed at and near an entrance, a window, or an opening such as an internal passage or space in a structure such as a house, a building, a factory, a warehouse, a garage, or the like. Therefore, vehicles such as automobiles and forklifts can easily approach. Vehicles such as automobiles and forklifts are equipped with a battery, and by using the vehicle-mounted battery 40, power failure can be achieved without using an emergency power supply device or a generator as described in Patent Document 1. In some cases, the opening/closing operation of the opening/closing body can be easily performed. The vehicle-mounted battery 40 does not need to be removed from a vehicle such as an automobile or a forklift. All that is necessary is to perform the connection work of the conversion device 30 . The vehicle-mounted battery 40 as an external power supply is not limited to automobiles and forklifts, and is used in structures such as houses, buildings, factories, warehouses, garages, and other structures such as doorways, windows, or openings such as internal passages and spaces. It also includes those mounted on other vehicles that can run around or inside.

When using the onboard battery 40 of a gasoline vehicle or a diesel vehicle, the engine is driven in an idling state while the opening/closing operation of the shutter curtain 12 of the opening/closing body device 10 is performed. Over-discharge (so-called "battery dead") is avoided.

The power switching circuit 20 is provided with a connector 20a for connecting the external power converter 30 . Normally, the external power conversion device 30 can be removed from the connector 20a and stored in another storage location. It is possible to supply the necessary electric power from the external power conversion device 30 to the power switching circuit 20 without performing electrical work that requires a qualification of a construction worker.

FIG. 3 is a diagram showing an example of a circuit configuration of an external power converter in an opening/closing device according to the present invention. In this example, the external power conversion device 30 dedicated to the voltage of the vehicle battery 40 to be used is prepared corresponding to the voltage (12, 24 or 48 [V]) of the vehicle battery 40 . The external power converter 30 includes a circuit breaker 31 , a switching circuit 32 , a transformer 33 , a rectifier circuit 34 , an inverter circuit 35 , a filter circuit 36 and a switching control/driver circuit 37 . The positive terminal of the vehicle battery 40 is connected to the circuit breaker 31 as a DC input (+), and the negative terminal of the vehicle battery 40 is connected to the switching circuit 32 as a DC input (-). The breaker 31 cuts off the input current from the positive terminal of the vehicle battery 40 when the input current reaches a predetermined cutoff value.

In the example of FIG. 3, the circuit breaker 31 is provided only on the input side of the external power conversion device 30, but a circuit breaker may be provided on the output side of the external power conversion device 30 as well. By providing the circuit breaker on the input side of the external power conversion device 30, even if the input current from the on-vehicle battery 40 is abnormally large, the input current is cut off to improve safety. Further, by providing the circuit breaker on the output side of the external power conversion device 30, even if the external power conversion device 30 fails, an abnormally large current is not supplied to the power switching circuit 20, thereby improving safety.

The switching circuit 32 turns on/off the primary current supplied to the primary side input terminal of the transformer 33 under the control of the switching control/driver circuit 37 . The transformer 33 has a different transformation ratio depending on the voltage of the vehicle-mounted battery 40, and transforms the primary side voltage of 12, 24 or 48 [V] to the secondary side voltage of 200 [V]. A rectifier circuit 34 rectifies the secondary current of the transformer 33 . The inverter circuit 35 performs frequency conversion on the secondary current of the transformer 33 rectified by the rectifier circuit 34 based on the driving of the switching control/driver circuit 37 . The filter circuit 36 includes a sine wave filter and a noise filter, filters the AC current output from the inverter circuit 35, and outputs it as a three-phase AC output.

FIG. 4 is a diagram showing another example of the circuit configuration of the external power converter in the opening/closing device according to the present invention. In this example, regardless of the voltage (12, 24 or 48 [V]) of the vehicle-mounted battery 40, the common external power conversion device 30 is provided, and manual switching is performed according to the voltage of the vehicle-mounted battery 40. is different from the external power converter 30 shown in FIG. The transformer 33' of the external power converter 30 of this example has a plurality of primary side input terminals for different input voltages of 12, 24 or 48 [V]. A voltage switching circuit 38 is provided between the switching circuit 32 and the transformer 33'. In the voltage switching circuit 38, the operator manually switches the connection of the vehicle battery 40 to the primary side input terminal of the transformer 33' via the circuit breaker 31' and the switching circuit 32 according to the voltage of the vehicle battery 40. It is a manual switch for Depending on the switching of the voltage switching circuit 38, the breaking value of the circuit breaker 31' and the switching control operation of the switching control and driver circuit 37' are switched for each voltage of 12, 24 or 48 [V].

By providing a transformer 33' having a plurality of primary side input terminals for different input voltages and a voltage switching circuit 38 for switching the connection of the vehicle battery 40 to the primary side input terminals of the transformer 33', different voltage It becomes possible to use any one of a plurality of vehicle-mounted batteries, which improves convenience.

Instead of the manual voltage switching circuit 38, an automatic voltage switching circuit that detects the voltage value of the vehicle battery 40 and automatically switches the connection to the primary side input terminal of the transformer 33' may be provided. good.

FIG. 5 is a diagram showing another example of the schematic configuration of the shutter device, which is the opening/closing device according to the present invention. In this example, the control device 18 and the power switching device 20 of FIG. 1 are incorporated in the control unit 50 . FIG. 6 is a diagram showing an example of the configuration of the control unit in the opening/closing device according to the present invention. The control unit 50 is configured by installing the control device 18 and the power switching device 20 in one control panel, and installing an operation switch 51 on the surface of a housing that houses the control panel.

By installing the control device 18 and the power switching device 20 in one control panel, duplication of parts such as circuit breakers required for the control device 18 and the power switching device 20 is avoided, and the number of parts is reduced. Wiring and piping members are reduced. Therefore, it is possible to reduce the equipment cost of the device, and the installation space of the device is reduced. Also, wiring and piping work during assembly is reduced.

On the other hand, by providing the control unit 50 with the operation switch 51, the control unit 50 can be installed near the shutter curtain 12, and the operation switch 19 can be installed away from the shutter curtain 12, thereby improving convenience. be able to. Alternatively, by omitting the operation switch 19, it is possible to reduce the equipment cost of the apparatus.

FIG. 7 is a diagram showing an example of an external power converter for an opening/closing device according to the present invention. The external power conversion unit 60 includes the external power conversion device 30 , a DC cable 61 , an AC cable 62 and a carrying case 63 . The DC cable 61 is, for example, a booster cable, and connects the vehicle-mounted battery 40 and the external power converter 30 . The AC cable 62 is, for example, a connector cable having a connector 62a. By connecting the connector 62a to the connector 20a of the power switching device 20, the external power conversion device 30 and the power switching device 20 of the opening/closing device 10 are connected. do. The carrying case 63 accommodates the external power converter 30 , the DC cable 61 and the AC cable 62 .

According to the external power conversion device for the opening/closing body device of the present invention, it is possible to provide a low-cost disaster prevention device for a power failure that can easily open/close the opening/closing body during a power failure. By storing the external power conversion device 30, the DC cable 61 and the AC cable 62 in the portable case 63, the connection work can be performed immediately after the vehicle battery 40 and the portable case 63 are prepared.

A handle 64 is provided on the carrying case 63 . By providing the carrying case 63 with a handle 64, the external power conversion unit 60 can be easily carried and transported.

In the above-described embodiment, the shutter curtain that is drawn out vertically has been described as an example. can be applied to Moreover, as the opening/closing device, for example, it is applicable to a shutter device, a window shutter device, a blind device, a roll screen device, a banner device, a sliding door device, a moving partition device, an awning device, a waterproof board device, and the like.

DESCRIPTION OF SYMBOLS 10... Opening/closing body apparatus 11... Shutter case 12... Shutter curtains 13, 14... Guide rail 15... Winding shaft 16... Chain 17... Motor 172... Position detector 18... Control device 185... Obstacle sensors 19, 51... Operation Switch 19A... Raise (open) button 19B... Stop (stop) button 19C... Lower (close) button 20... Power source switching device
20a, 62a... connector 30... external power converter 31, 31'... breaker 32... switching circuit 33, 33'... transformer 34... rectifier circuit 35... inverter circuit 36... filter circuit 37, 37'... switching control/driver Circuit 38 Voltage switching circuit 40 Car battery 50 Control unit 60 External power conversion unit 61 DC cable 62 AC cable 63 Portable case 64 Handle

Claims (8)

opening and closing means provided on the periphery of the opening;
an opening/closing control means for electrically controlling each opening/closing operation of the opening/closing means;
a conversion means connected to an on-vehicle battery mounted on a vehicle for converting DC power input from the on-vehicle battery into AC power having the same voltage as a commercial power source and outputting the AC power;
switching means for supplying power from the commercial power supply to the switching control means, and for supplying the output of the conversion means to the switching control means in the event of a power failure of the commercial power supply ;
The conversion means includes a transformer having a plurality of primary side input terminals for different input voltages, and a voltage for switching the connection of the vehicle battery to the primary side input terminal of the transformer according to the voltage of the vehicle battery. and a switching circuit. 2. The opening/closing body apparatus according to claim 1, further comprising a control unit in which said opening/closing control means and said switching means are mounted in one control panel. 3. The opening/closing body device according to claim 2, wherein the control unit comprises switch means having respective push button switches for opening/closing of the opening/closing means,
The opening/closing device according to the opening/closing device, wherein the opening/closing control means controls the opening/closing operation of the opening/closing means in accordance with the operating state of the switch means. 4. The opening/closing device according to claim 1, wherein said switching means comprises connector means for connecting said converting means. 5. A switchgear device according to claim 1, wherein said converting means includes a circuit breaker that cuts off the input current from said on-board battery when the input current from said on-board battery reaches a predetermined value. An opening/closing body device comprising: Opening/closing means provided at the periphery of the opening, opening/closing control means for electrically controlling each operation of opening/closing and stopping of the opening/closing means, and electric power from a commercial power supply to the opening/closing control means, so that when the commercial power fails An external power conversion device for a switchgear device, comprising switching means for supplying power based on an external power source to the switching control means,
A transformer having a plurality of primary side input terminals for different input voltages connected to an on-vehicle battery as the external power supply mounted on the vehicle, and the primary side input of the transformer according to the voltage of the on-board battery. a voltage switching circuit for switching connection of the on-vehicle battery to a terminal; and converting means for converting DC power input from the on-vehicle battery into AC power having the same voltage as the commercial power supply, 1. An external power conversion device for an opening/closing device, wherein electric power converted by means is output to the switching means of the opening/closing device. 7. The external power conversion device for a switchgear device according to claim 6 , wherein said conversion means includes a circuit breaker that cuts off the input current from said on-board battery when the input current from said on-board battery reaches a predetermined value. An external power conversion device for an opening/closing device, comprising: 8. The external power conversion device for a switchgear device according to claim 6 or 7 , further comprising:
a DC cable that connects the vehicle battery and the external power conversion device;
an AC cable that connects the external power conversion device and the switching means of the opening/closing device;
An external power converter for a switchgear device, comprising: the external power converter, the DC cable, and the AC cable.

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