JP2000145287A - Motor-driven partitioning device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of wirings inserted in a suspending member. SOLUTION: In this motor-driven partitioning device comprising plural partitioning panels 3 suspended by a pair of traveling devices 2 self-running on a guide rail 1 fixed to the ceiling and house a control device 6 for controlling the traveling devices 2 in the interior thereof, a collecting terminal (slave machine) 5b for collecting output from many input parts disposed in the traveling devices and a sensor and converting the collected information to a designated data signal and a parent machine 5a enabled to receive the data output from the collecting terminal (slave machine) 5b are connected to each other by a communicating line passed through the inside of a suspending member 13 suspending the partition panel 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in an electric partitioning device provided with a plurality of partitioning panels which are automatically driven by electric power.

[0002]

2. Description of the Related Art Conventionally, in these electric partitioning devices, a traveling device movably provided in a guide rail fixed to a ceiling is controlled by a control device disposed inside a partition panel suspended from the traveling device. There is an apparatus in which traveling control is performed by an apparatus to move and stop the partition panel in a traveling direction or a traveling stop position that is set in advance.

[0003]

In the above-described electric partitioning device, the driving of the traveling device is usually performed by rotating the suspension member by a driving motor provided inside the partition panel. The traveling device is traveling by transmitting a driving force to the vehicle, and the traveling control is performed by controlling the rotation of the driving motor.

However, in order to more precisely control the traveling of the traveling device, it is necessary to provide a number of sensors and input units such as limit switches on the traveling device to detect the traveling state in more detail. However, when the number of input units such as these sensors and limit switches becomes large, the number of wirings for connecting the control device provided on the partition panel to the input units such as these sensors and limit switches becomes large, and these connections are reduced. Not only is this complicated, but the inner diameter of the suspension member that is driven and rotated is limited, so it is difficult to insert these many wires inside the suspension member. The number of input units such as sensors and limit switches that can be installed is limited, and there is a problem that many of them cannot be installed.

Accordingly, the present invention has been made in view of the above-mentioned problems, and even if the number of wires inserted into the hanging support member is small, the traveling section can move the input section such as a large number of sensors and limit switches. It is an object of the present invention to provide an electric partitioning device that can be arranged in a device and that can perform more detailed traveling control.

[0006]

In order to solve the above-mentioned problems, an electric partitioning device according to the present invention is suspended by a pair of traveling devices that run on a guide rail fixed to a ceiling,
In an electric partitioning device including a plurality of partitioning panels in which a control device for controlling the traveling device is provided, an output from a large number of input units and sensors provided in the traveling device is collected, and the collected information is collected. (A slave unit) that converts the data into a predetermined data signal and outputs the data signal, and a master unit that is capable of receiving data output from the collection terminal (slave unit). It is characterized by being connected by a communication line inserted inside the material. According to this feature, outputs from a large number of input units and sensors are once collected by the collection terminal (slave), and the collected information is converted into a predetermined data signal, and is converted to a predetermined data signal via the master. , The number of communication lines connecting the collection terminal (slave unit) inserted into the hanging support member and the master unit can be significantly reduced, and the number of communication lines on the traveling device can be reduced. Many input units and sensors can be provided.

[0007] The electric partitioning device of the present invention is preferably configured such that the collection terminal (slave unit) is provided on the traveling device. With this configuration, it is possible to easily perform connection with a large number of input units and sensors provided on the traveling device.

[0008] In the electric partitioning device of the present invention, it is preferable that a data communication system between the collection terminal (slave unit) and the master unit is a serial communication system. With this configuration, the communication lines connecting the collection terminal (child device) and the master device can be at least two data signal lines and clock signal lines.

In the electric partitioning device according to the present invention, it is preferable that the communication line includes a power supply line. With this configuration, since the operating power of the collection terminal (slave unit) can be supplied via these power lines, there is no need to provide a power supply for the collection terminal (slave unit) on the traveling device.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment) FIG. 1 shows an entire system of an electric partitioning apparatus according to an embodiment of the present invention.
Denotes a rail fixed to the ceiling, 2 denotes a traveling device that travels in the rail, and 3 denotes a panel suspended by the traveling device 2. In these panels 3, data communication is performed with a drive unit 4 having a built-in motor or the like for driving the traveling device 2 and a communication unit 8 a connected to a management computer 9 for controlling the operation of the entire system. A communication unit 8b, a master unit 5a that communicates with a collection terminal (slave unit) 5b provided on the traveling device 2, and a control unit that controls these units based on instructions from the management computer 9. 6 is provided.

The communication unit 8b is connected to the communication unit 8a via a power supply / signal bar 7 disposed in the longitudinal direction of the inner surface of the rail 1, and the communication unit 8b is connected to the communication unit 8a via the power supply / signal bar 7. Data transmission / reception with the management computer 9 is enabled, and power for operating the control unit 6 ′ and the drive unit 4 is supplied from the power supply / signal bar 7.

The management computer 9 is connected to a turning rail drive unit 11 provided at a predetermined position in the rail 1 for turning a turning rail 10 for changing the direction of the traveling device 2. The direction of movement of the panel 3 is controlled by appropriately rotating the rotating rail 10.

The traveling device 2, the panel 3, and the drive unit will be described in more detail with reference to FIGS.
In the drawing, reference numeral 2 denotes a traveling device that can travel on each rail 1 and the rotating rail 10, and a panel 3 is suspended from the traveling device 2 by a drive shaft 13. The drive shaft 1 has a panel 3 suspended at the lower end.
3 is pivotably mounted about a vertical axis.

The drive shaft 13 has a non-rotatable shaft tube 13 'having a hollow penetrating vertically therein, and various wires are inserted into the shaft tube 13' so that the traveling device 2 and the control unit 6 ′ and the drive unit provided inside the panel 3 can be connected.

A bevel gear 15 as a first drive gear is mounted on the upper end of the drive shaft 13, and a thrust bearing (not shown) is mounted on the lower surface of the bevel gear 15. Therefore, the downward force due to the weight of the panel 3 suspended by the drive shaft 13 is received via the bevel gear 15.

The bevel gear 15 meshes with a bevel gear 17, which is a second drive gear fixed to a horizontal shaft 16 pivotally supported by a side plate of the base 14, and a gear 18 coaxial with the bevel gear 17 is provided. , Gears 20, 20 formed on the outer peripheral surface of the front and rear running rollers 19, 19.

A current collector 24 erected on the upper part of the base 14 has a current collector 23 at the tip thereof in sliding contact with the power supply / transmission bar 7 fixed on the inner surface of each rail upper plate. . A cable 25 extending from the current collector 24 is inserted into the shaft tube 13 'so that signals and power are supplied to the control unit 6' and the drive unit in the panel 3. .

As shown in FIGS. 2 and 3, three photoelectric sensors 12 (P1) having a light receiving element are provided at the left and right positions in the moving direction of the current collector 24 above the base 14.
To P3), and limit switches 21 (L1 and L2) for detecting a collision between the traveling devices 2 are disposed at front and rear positions of the traveling device 2.

Each of the photoelectric sensors 12 (P1 to P3) and the limit switch 21 (L1 and L2) collects each output signal and sends it to the master unit 5a in the control unit 6 'via a communication cable 22. And a collection terminal (slave unit) 5b that outputs the data through the communication cable 22.
Is inserted into the shaft tube 13 '.

The lower end of the drive shaft 13 suspended from the base 14 of the traveling device 2 is pivotally connected to a frame 27 in the panel 3 via a thrust bearing 26. A geared motor 28 having a speed reduction mechanism is fixedly mounted via a frame 27 next to the drive shaft 13, and a rotating shaft 29 extending in parallel with the drive shaft 13 from the geared motor 28 has a bearing 40. Is rotatably supported on the frame 27 via the.

A rotating body 31 having a gear 31a meshing with a gear 30 fixed to the drive shaft 13 is mounted on the upper portion of the rotary shaft 29 so as to be rotatable relative to the drive shaft 13 via a bearing 32. Have been. Further, a clutch box 33 having an appropriate clutch device (preferably an electromagnetic clutch) for connecting or disconnecting the rotating body 31 and the rotating shaft 29 is provided further above the rotating body 31.
With this clutch device, the rotating shaft 29 and the rotating body 31
And are relatively rotated by being integrated or released.

Further, next to the rotating body 31, a gear 3 meshing with a gear 31a fixed to a rotating shaft 29 as a driving unit is provided.
5 is fixedly provided.
The drive amount of the drive shaft 29 is measured by the rotary encoder 36, and the measured data is
The data is transmitted to the control unit 6 in the control unit 6 ′ via the cable 37.

The power supply / transmission bar 7 is connected to the current collector 2
The power and signal obtained by the control unit 4 are output from the cable 25 to the control unit (microcomputer) 6 via the power supply unit (not shown) in the control unit 6 'or the communication unit 8b. The control signal from the unit is supplied or transmitted to the clutch device in the clutch box 33 and the geared motor 28 via these cables 34 and 38, respectively.

In the electric partitioning device constructed as described above, power is usually supplied to the geared motor 28 and the clutch device, and when the geared motor 28 operates, the rotating shaft 29 and the rotating body 31 are connected to the clutch. The drive shaft 13 is connected via the device and rotates integrally with each other, and at the same time, the drive shaft 13 rotates via the gear 30. The rotating power of the drive shaft 13 is transmitted to the traveling roller 19 via each gear in the traveling device 12, and the traveling device 12 travels in each rail 1.

The collection terminal (child unit) 5 in the present embodiment.
Referring to FIG. 4, the connection status between the b and the master unit 5 a and the operation thereof will be described. As described above, the collection terminal (slave unit) 5 b provided in the traveling device 2 is
(P1 to P3) and the limit switch 21 (L1 and L2) are connected as shown in FIG. 4A, and the respective photoelectric sensors 12 (P1 to P3) and the limit switch 21 are connected.
(L1 and L2) are connected to the input (INPUT) terminal No. of the collection terminal (child unit) 5b. 0 to
No. 4 is connected.

The signals output to each of these signal lines are detected by the collection terminal (slave unit) 5b, and the detected information is converted into predetermined serial data. Are output from the data (DATA) terminals (P, C).

In the present embodiment, a method of transmitting serial data to the master unit 5a is as follows. In this embodiment, a clock pulse having a predetermined cycle is sent to the C terminal of the data (DATA) terminal, and the data (DATA) terminal is synchronized with this. A normal serial transmission method is used in which the potential of the signal line connected to the P terminal is changed to a predetermined potential of “high” or “low”, but the present invention is not limited to this. Alternatively, another serial transmission method may be used.

The serial data output from the collection terminal (slave unit) 5b is received by the master unit 5a, and based on the serial data, an input (INPUT) terminal of the collection terminal (slave unit) 5b. No. 0-N
o. 4 is a one-to-one output (OUTPUT) terminal N
o. 0-No. 4, the input (INPUT) terminal N
o. 0-No. 4 A signal similar to the input signal is output and transmitted to the control unit 6 '.

In this way, as shown in FIG. 4B, the photoelectric sensor 12 (P1 to P3) and the limit switch 21 (L1 and L2) are directly compared to the case where they are directly connected to the control unit 6 '. Thus, the number of wires inserted into the shaft tube 13 'can be greatly reduced, and the connection can be easily performed.

In this embodiment, the three photoelectric sensors 12 (P1 to P3) and the two limit switches 21 (L1 and L2) are disposed on the traveling device 2 as described above. However, the present invention is not limited to this. By increasing the number of input (INPUT) terminals of the collection terminal (slave unit) 5b and the number of output (OUTPUT) terminals of the master unit 5a, the number of wires inside the shaft tube 13 'is increased. Without any
It goes without saying that more input units such as switches and sensors can be arranged.

The photoelectric sensors 12 (P1 to P
3) and power supply to the limit switch 21 (L1 and L2) is performed from a power supply terminal (COM terminal) provided in the collection terminal (slave unit) 5b. From the power supply unit (not shown) inside the unit 6 ', power supply terminals V and G of the base unit 5a are provided.
Is supplied to the master unit 5a and the collection terminal (child unit).
5b is supplied to the collection terminal (slave unit) 5b through two power lines connecting the photoelectric sensor 12 (P1 to P3) and the limit switch 21 (L1 and L1) from the power terminal (COM terminal). L2).

As described above, in this embodiment, the shaft tube 13 'is used.
A communication cable 22 composed of the two signal lines and the two power lines is inserted thereinto, and the collection terminal (child unit) 5b
Operating power and the operating power of the photoelectric sensors 12 (P1 to P3) and the limit switches 21 (L1 and L2) are supplied from the master unit 5a side. However, the present invention is not limited to this, and a power supply unit for operating each device arranged on the traveling device 2 is not limited thereto. 2, the power supply line may be omitted.

In this embodiment, the clock signal lines used for the serial data communication are separately provided. However, the present invention is not limited to this, and these clock signal lines may be connected to the ground line of the power supply line. It may be shared with.

Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and even if there are changes and additions without departing from the gist of the present invention. Included in the invention.

[0036]

The present invention has the following effects.

(A) According to the first aspect of the present invention, outputs from a number of input units and sensors are output to the collection terminal (child unit).
Is collected once, and the collected information is converted into a predetermined data signal and output as a predetermined signal via the master unit. Therefore, the collection terminal ( The number of communication lines connecting the slave unit and the master unit can be greatly reduced, and a large number of input units and sensors can be arranged on the traveling device.

(B) According to the second aspect of the present invention, it is possible to easily carry out connection with a large number of input units and sensors provided on the traveling device.

(C) According to the third aspect of the present invention, at least two communication lines for connecting the collection terminal (slave unit) and the master unit are a data signal line and a clock signal line. it can.

(D) According to the invention of claim 4, since the operating power of the collecting terminal (slave unit) can be supplied via these power lines, the collecting device (slave unit) for the collecting terminal (slave unit) is provided on the traveling device. There is no need to provide a power supply.

[0041]

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a system configuration of an electric partitioning device according to an embodiment of the present invention.

FIG. 2 is a side view showing a partial cross section of the electric partitioning device according to the embodiment of the present invention.

FIG. 3 is a cross-sectional view illustrating a structure of a traveling device used for the electric partition device according to the embodiment of the present invention.

FIG. 4A is a diagram illustrating a connection state between a collection terminal (slave unit) and a master unit used in the electric partitioning device according to the embodiment of the present invention. (B) is the collection terminal (child device) of the present invention.
FIG. 7 is a diagram showing a connection state when a parent device is not used.

[Explanation of symbols]

Reference Signs List 1 rail 2 traveling device 3 panel 4 drive unit 5a master unit 5b collection terminal (slave unit) 6 control unit (microcomputer) 6 'control unit 7 power supply / signal bar 8a, b communication unit 9 host computer 10 rotating rail 11 times Moving rail drive unit 12 Photoelectric sensor (P1, P2, P3) 13 Drive shaft 13 'Shaft tube 14 Substrate 15 Bevel gear 16 Horizontal shaft 17 Bevel gear 18 Gear 19 Running roller 20 Gear 21 Limit switch (L1, L2) 22 Communication cable Reference Signs List 23 current collector 24 current collector 25 cable 26, 40 bearing 27 frame 28 geared motor (motor) 29 rotating shaft (drive unit) 30 gear 31 rotating body 31a gear 32 bear ring 33 clutch box 34, 37, 38 cable 35 gear 36 rotary Encoder ( Momentum measurement device)

Continued on the front page F term (reference) 2E052 AA01 BA01 CA06 DA09 DB09 EA15 EB01 EC01 KA12 KA13 KA15 KA16 KA25 5K046 BA02 BB05 PP02 PS11 PS31 PS39 YY04 5K048 AA01 BA34 CB01 DC04 EB02 HA01 HA02

Claims (4)

[Claims] 1. An electric partitioning device comprising a plurality of partition panels suspended by a pair of traveling devices running on a guide rail fixed to a ceiling and internally controlling the traveling devices. In, collecting outputs from a number of input units and sensors arranged in the traveling device,
A collection terminal (slave unit) that converts the collected information into a predetermined data signal and outputs the data signal and a master unit capable of receiving data output from the collection terminal (slave unit) are supported by the partition panel. An electric partition device connected by a communication line inserted inside the hanging support member. 2. The electric partitioning device according to claim 1, wherein the collection terminal (child device) is provided on the traveling device. 3. The electric partitioning device according to claim 1, wherein a data communication method between the collection terminal (child device) and the master device is a serial communication method. 4. The electric partitioning device according to claim 1, wherein the communication line includes a power supply line.