JPH04149386A - Method for driving moving partition - Google Patents

Abstract

PURPOSE:To smooth the turning action of a partition panel by changing the driving torque of front and rear motor-driven runners at the initial and final periods of the turn of the partition panel at a hanger-rail bent portion. CONSTITUTION:A partition panel P having motor-driven runners R1, R2 is hanged on a hanger rail HR provided with a branch line and a direction- changing rotary device RY. Limit switches LS1, LS2 are disposed at the entrance and exit of the rotary device RY respectively and also torque controllers 11, 12 for the runners R1, R2 are provided. When the panel makes a turn the position of the runner R2 or R1 is detected by the switch LS1 or LS2 according to the direction in which the panel travels. Then the controllers 11, 12 are actuated and driving torque of the rear runner is lowered to below that of the front runner at the first period of the turn, while driving torque of the front runner is lowered to below that of the rear runner at the final period. Harmful sliding of the panel can thus be prevented and also the panel can be easily stopped and smoothly make a turn.

Description

[Detailed Description of the Invention] Industrial Application Field The present invention is capable of realizing smooth operation without causing harmful slippage when a large partition panel having electric runners is made to bend and travel. The present invention relates to a method for driving a movable partition.

Conventional technologyLarge movable partitions can be easily motorized by incorporating electric runners into the partition panels (
For example, Japanese Patent Application Laid-Open No. 2-30785). That is,
Generally, the partition panel is movably suspended from the hanger rail via runners built into the front and rear parts, so a trolley is installed inside the hanger rail, and the runner is operated by a motor supplied with power from the trolley. An electric runner may be used.

On the other hand, when partition panels that have been electrified in this way are run around bends at Hunger Rail junctions, etc., special consideration is required. Now, in FIG. 9, if we consider that the partition panel P moves along the main route HRI of Hunger Rail in the direction of the arrow in the same figure and bends in the direction of the branch road HR2, first, the front runner R1 When the runner enters the rotary device RY, the entire system is stopped once, and the rotary device RY is rotated several times through 90 degrees so that the traveling direction of the runner R1 is in the direction of the branch road HR2, and then the runner R1 is moved in the direction of arrow B in the figure. advance and rotate the partition panel P. The rotary device RY reaches 9 points before the rear runner R2 arrives.
Return it to 0 degrees, and when runner R2 enters the rotary device RY, turn 90 degrees again and turn runner R2 to branch road HR2.
Proceed to.

In this case, when the partition panel P is in the middle of turning,
That is, the runners R1 and R2 each run on the branch road HR2.
, when it exists separately on the main road HRI (double-dashed line in the figure), only the front runner R1 is driven, and the rear runner R is driven.
A technique has been proposed for controlling the motors of the runners R1 and R2 so as not to drive the runners R1 and R2 (Japanese Utility Model Publication No. 20683/1999).

However, when both runners R1 and R2 are on either the main road HR1 or the branch road HR2, the runners R1 and R2
It runs by driving both of the two. According to this technology, although the running speeds of the runners R1 and R2 differ during the turn, smooth operation can be achieved by using only the traction force from the front runner R1.

Problems to be Solved by the Invention When such conventional technology is used, there is a risk that the driving force required for each runner becomes excessive or that the runners slip against the hanger rail, making it impossible to realize smooth bending of the partition panel. be. That is, in FIG. 9, at the beginning of the turn when the front runner R1 advances from the rotary device RY toward the branch road HR2, by driving only the front runner R1, the partition panel P moves toward the runner R1. The vehicle can turn smoothly as a whole. However, at the end of the turn when the rear runner R2 approaches the rotary device RY, the inclination angle θ between the partition panel P and the main path HRI approaches 90 degrees.
The traction force of runner R1 moves runner R2,
Only a portion of it can be used effectively. Therefore, unless the driving force of the runner R1 is made extremely large, the partition panel P cannot be pulled.

Further, at this time, if the weight applied to the front runner R1 is insufficient, the runner R1 may slip with respect to the branch road HR2, and may not be able to exert sufficient driving force. On the other hand, in order to ensure that the rear runner R2 reaches the rotary device RY, it is essential to use inertia, which makes it difficult to stop the runner R2 accurately at the rotary device RY position. If a stopper or the like is used to stop the position, there is a risk that an excessive impact may be generated.

SUMMARY OF THE INVENTION Therefore, in view of the problems of the prior art, an object of the present invention is to provide the runner with the necessary driving force by appropriately switching between both of them and driving them, instead of driving only one of the runners during bending travel. In addition to suppressing the force appropriately,
An object of the present invention is to provide a method for driving a movable partition that prevents slippage of runners and enables smooth rotation of a partition panel.

Means for Solving the Problems The structure of the present invention to achieve the object is such that when a partition panel having electric runners at the front and rear portions is caused to bend and travel, the electric runners do not move at the beginning of the rotation of the partition panel. , the front electric runner has a larger driving torque than the rear electric runner, and at the end of the rotation of the partition panel, the rear electric runner is controlled to have a larger driving torque than the front electric runner. This is the summary.

Effect: With this configuration, when the partition panel bends, the front and rear electric runners have a larger driving torque than the rear electric runners at the beginning of the partition panel rotation. The former allows the partition panel to be pulled and turned as a whole. On the other hand, at the end of the rotation, the partition panel at the rear has a large driving torque, so the partition panel is rotated by a pushing force from the rear. Electric runners are generally
At the beginning of the turn, the running speed of the front part is greater than that of the rear part, and at the end of the turn, this is reversed. Therefore, here, by increasing the drive torque of the electric runner with a higher running speed than the other,
The partition panel can be turned smoothly and without difficulty, and the bending movement of the partition panel can be completed.

Example Examples will be described below with reference to the drawings.

The method of driving the movable partition is carried out by attaching torque controllers 11 and 12 to the electric runners R1 and R2 (first
figure).

The partition panel P is connected via electric runners R1 and R2,
It is movably suspended from Hungerail HR (Second
figure).

The partition panel P has a surface material P2 on both sides of the frame P1.
, R2 is pasted, and the whole is a hanging bolt BT.
It is suspended from the Hungarian Rail HR by electric runners R1 and R2 via the SBT.

Electric runners R1 and R2 are powered by motors Ml and M2 built into the partition panel P.
You can run back and forth inside. However, electric runners R1 and R2 and motors Ml and M2 are suspended poles)13
It is assumed that T and BT are hollow tubes, and are connected to each other via a conduction shaft (not shown) inserted inside the tubes.

A trolley wire TW connected to a power source (not shown) is disposed on the top of the Hunger Rail HR.

On the other hand, in the electric runners R1 and R2, K is attached to the current collection mechanism that contacts the trolley wire TW. (Fig. 1). However, the torque controllers 11 and 12 are not limited to the electric runner R.
1. It may be mounted on R2 (or it may be incorporated into the partition panel P).

The torque controllers 11.12 are each, for example, an SCR
It is a voltage regulator that uses the power supply voltage supplied from the trolley wire TW to the motors Ml and M2 without changing the rated value.
or can be reduced to an appropriate value lower than the rated value.

Torque controllers 11 and 12 include limit switch LSI
, LS2 are connected. limit switch LSI
5LS2 is the entrance of the rotary device RY arranged at the intersection of the main road HRI and the branch road HR2 when the Hungarian Rail HR has a main road HRI and a branch road HR2 perpendicular to the main road HRI (Fig. 3). The main paths HR1 and RY are arranged at an appropriate distance from the rotary device RY at
It is assumed that electric runners R1 and R2 traveling on branch road HR2 can be detected.

Now, the partition panel P is moved along the main path HRI by driving the electric runners R1 and R2.
Consider the case where the vehicle travels toward Y and curves toward branch road HR2.

At this time, when the front electric runner R1 enters the rotary device RY, the entire system is temporarily stopped and the rotary device RY is moved to 9
Rotate 0 degrees and direct the electric runner R1 toward the branch road HR2. After that, when the front electric runner R1 is moved toward the branch road HR2, the partition panel P will move away from the rotary device RY, and the partition panel P will move away from the rotary device RY.
As the rear electric runner R2 approaches the rotary device RY, the direction of the branch road HR as a whole is changed from the direction of the main road HRI.
A turning movement can be initiated in two directions.

When the rear electric runner R2 reaches the rotary device RY, the rotation of the partition panel P is completed. From now on, the direction of the electric runner R2 is changed in the same manner as described above, and the partition panel P is moved along the branch road HR2. Just let it happen. However, in the rotary device RY, the electric runner R1 is connected to the branch path H.
After proceeding to R2, it rotates 90 degrees to prepare for the approach of electric runner R2.

When the rear electric runner R2 reaches the position of the limit switch LSI during the rotation of the partition panel P, the limit switch LSI turns OFF. Therefore, at the beginning of the rotation of the partition panel P, that is, during the period from the start of rotation to the operation of the limit switch LSI,
The torque suppressor 11 supplies the motor M1 with the C rated voltage from the trolley wire TW as it is, while the torque suppressor 1
2 operates to narrow down the voltage supplied to the motor M2. As a result, the driving torque T1 of the front electric runner R1 becomes the rated torque To (Fig. 4), and the driving torque T2 of the rear electric runner R2 becomes T2 = T2a<To
It can be done.

As a result, the electric runner R1 advances to the branch road HR2 while pulling the partition panel P, and the electric runner R2
can follow this and proceed on the main route HRI.

When the limit switch LSI operates, torque controller 1
1.12 is switched and controlled, and the driving torque T2 of the rear electric runner R2 is set to the rated torque To, and the front electric runner R1 is set as the rated torque To.
The driving torque T1 of is set as T1=Tla<To. That is, the torque controller 11 narrows down the voltage supplied to the motor M1, while the torque controller 12 supplies the rated voltage to the motor M2. As a result, the electric runner R2 applies a pushing force from the rear of the partition panel P, and the electric runner R1
follows this, so the partition panel P can smoothly and reliably complete its turning operation. However, here, the limit switch LSI is such that the inclination angle θ of the partition panel P with respect to the main path HRI is θ=4.
5 (degrees), and the motors Ml, M
In case 2, motors with the same rating are used.

Generally, electric runners R1, R for the partition panel P
2, and the running speed vl of electric runners R1 and R2.
, V2, the traveling speed vl for the traveling speed v2
The ratio (vl/v2) changes as shown in FIG. 5 in the process of turning the partition panel P. However, the horizontal axis in the same figure is 1=0 when the front electric runner R1 is in the position of the rotary device RY and the rear electric runner R2 is in the main path HRI, and Partition panel P where the rear electric runner R] is located at the branch road HR2, and the rear electric runner R2 is located at the rotary device RY.
It shows the passage of time with t=1.0 as the end point of the rotation of , and the inclination angle θ of the partition panel P with respect to the main path HRI at that time is also shown.

FIG. 5 can be drawn as follows.

When the electric runners R1 and R2 are installed at a certain distance on the main road HRI (Fig. 6), and the rear electric runner R2 is moved at a constant traveling speed 2, the front electric runner R1 is mounted on the branch road HR2. Assume that the vehicle is moving at a traveling speed vl(t). The position of the electric runner R2 seconds after the partition panel P starts turning can be expressed as (L-V2 t ) = L cos θ, and the position of the electric runner R1 at that time is x = L.
It can be expressed as sin θ. Therefore, if we eliminate θ from these equations, we get X, = (2v2 Lt-v22t2 ) 1/2,
Therefore, the running speed vl(t) of the electric runner R1 can be found as vl(t)=woman(v2L-v22t)/x=(v2L-v22t)/(2v2Lt-v22t2)1/2 . Here, if L/v2 = 1.0, Vl /V2 = (1-1)/(2t-12)'/2, and FIG. 5 is obtained.

That is, the ratio (vl/v2) becomes extremely large at the beginning of the turn, and at the inclination angle θ = 45 (degrees), the ratio (vl/v2) becomes extremely large.
/v2-], and approaches O at the end of the inversion.

Therefore, at the beginning of the turn, the front electric runner R1
It is indispensable to index the entire vehicle by means of a force, and it is difficult to replace this with the pushing force of the electric runner R2 at the rear.

This is because the traveling speed v2 of the electric runner R2 cannot be expanded infinitely. Similarly, at the end of the turn,
It is unreasonable to use the front electric runner R1 to index the rear electric runner R2.

In this invention, during the rotation of the partition panel P, the torque controllers 11 and 12 are switched and controlled to switch the driving torques T1 and T2 of the electric runners R1 and R2, thereby smoothing the rotation operation of the partition panel P. can be completed.

The same applies when the partition panel P advances toward the rotary device RY on the branch path HR2 and turns in the direction of the main path HRI. However, in this case, the front and rear parts of the electric runners R1 and R2 will be reversed, and the switching control of the torque controllers 11 and 12 will be performed using a limit switch instead of a limit/throat switch LSI. - Based on Nochi LS2.

In addition, the torque controller 11.12 also controls the electric runner R1.
, R2, the driving torques TI = T1a, T2 = T2a are respectively reduced to about 1/2 to 1/10 of the rated torque TO, so that the electric runners R1 and R2 are approximately It is best to set it equal to the minimum torque sufficient for self-propulsion.

If the narrowed-down driving torque TlaST2a is too small,
It acts as a brake for the other electric runner, and if it is too large, the rollers will idle and slip against the hanger rail HR, which may damage the hanger rail HR and the like.

Generally speaking, the limit switch LSI 5LS2 is installed at the partition panel P, main path HRI and branch path HR2.
It may be a position where the inclination angle θ=45 (degrees) with respect to the angle θ=45 (degrees). However, this position is not strict; 20≦θ≦70 (
degree) is sufficient.

The torque controller 11.12 can be of any type depending on the type of motor Ml, M2.

For example, motors Ml and M2 are connected to electric runners R1 and R
In the case of a type in which a slip clutch is interposed between the slip clutch and the second roller, the torque controller 11, 12 can use a controller that adjusts the engagement torque of this slip clutch.

The driving torques T1 and T2 of the electric runners R1 and R2 may be changed smoothly during the rotation of the partition panel P (Fig. 7), or there may be a section during which the runners both have the rated torque To. (FIG. 8) 0 As described in detail, according to the present invention, at the beginning of the rotation of the partition panel, the driving torque of the front electric runner is made larger than that of the rear electric runner, By controlling this so that it is reversed at the end of the turn, the partition panel can be turned by the traction force of the front electric runner at the beginning of the turn and by the pushing force of the rear electric runner at the end of the turn. Because the electric runner does not require excessive driving force, there is no risk of harmful slippage, and there is no need to use inertia, so the electric runner can stop at the appropriate position. It is also simple and has the excellent effect of being able to realize an extremely smooth turning operation as a whole.

[Brief explanation of the drawing]

Figures 1 to 6 show the embodiment, Figure 1 is an electrical system diagram, Figure 2 is an overall configuration diagram, Figure 3 is a plan view explaining the operation, Figure 4 is a diagram explaining the operation, and Figure 5 is a diagram explaining the operation. is a characteristic analysis diagram, and FIG. 6 is an analysis explanatory diagram of FIG. 7 and 8 are operation explanatory diagrams corresponding to FIG. 4 showing different embodiments, respectively. FIG. 9 is a diagram corresponding to FIG. 3 for explaining a conventional example. P...Partition panel R1, R2...Electric runner Tl, T2...Driving torque

Claims (1)

[Claims] 1) When a partition panel having electric runners at the front and rear parts is caused to bend and run, the electric runners have a larger drive force than the electric runners at the rear part at the beginning of the rotation of the partition panel. A driving method for a movable partition, characterized in that the rear electric runner is controlled to have a larger driving torque than the front electric runner at the end of rotation of the partition panel.