JP7210243B2 - Judgment device and door device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a judgment device and a door device for judging abnormality of multiple doors.

2. Description of the Related Art Conventionally, there is known a platform door device that is installed on a platform and partitions the platform from a track such as a railroad track. The platform door device extends along the platform, and opens and closes the section between the platform and the track by moving the door in the extension direction of the platform. Among platform door devices, there is a multi-door type door device having multiple doors (see, for example, Patent Document 1).

In the multiple door type door apparatus disclosed in Patent Document 1, a driving device drives a first stage door, and a second stage door accommodated in the first stage door is driven by movement of the first stage door.

JP-A-2006-64821

By the way, in the door apparatus described in Patent Document 1, sensors are provided for detecting the open position and the closed position of the second step door, respectively, and detection cannot be performed while the second step door is being opened or closed. That is, in a multi-door type door device, it is desired to detect an abnormality of the multi-door between the fully open position and the fully closed position. It should be noted that not only platform door devices but also door devices such as multi-door automatic doors have similar problems.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and an object of the present invention is to provide a judgment device and a door device capable of judging abnormality of multiple doors between a fully open position and a fully closed position. .

A determination device for solving the above problems comprises a detection unit for detecting the relative positions of the main door and the child door of a multiple door including a main door and a child door that move together, and when the multiple door moves, and a determination unit that determines an abnormality when the relative position detected by the detection unit is out of a predetermined range.

A determination device for solving the above problems comprises an acquisition unit that acquires the relative positions of the parent door and the child door of a multiple door including a parent door and a child door that move together, and when the multiple door moves, a determination unit that determines an abnormality when the relative position acquired by the acquisition unit is out of a predetermined range;

A door device for solving the above problems comprises a detection unit for detecting relative positions of a main door and a child door of a multiple door including a main door and a child door that move together, and when the multiple door moves, and a determination unit that determines an abnormality when the relative position detected by the detection unit is out of a predetermined range.

According to the above configuration, when there is an abnormality in one of the multiple doors, the relative positions of the parent door and the child door included in the multiple doors are out of the predetermined range when the multiple doors are moved. Therefore, the determination unit can determine an abnormality. Therefore, it is possible to detect an abnormality of the multiple doors between the fully open position and the fully closed position.

It is preferable that the determination device includes a movement detection unit that detects movement of the multiple doors from an output of a driving device that drives the multiple doors.
It is preferable that the door device includes a movement detection unit that detects movement of the multiple doors from an output of a driving device that drives the multiple doors.

According to the above configuration, since the movement detection unit detects the movement of the multiple door from the output of the driving device, the movement of the multiple door can be reliably detected, and the determination unit can perform abnormality determination.

In the door device, the detection unit includes a main door open detection unit that detects that the main door is in the fully open position, a main door close detection unit that detects that the main door is in the fully closed position, and a child door open detection unit for detecting that the child door is in a fully open position; and a child door closed detection unit for detecting that the child door is in a fully closed position, wherein the determination unit detects the main door open. When at least one of the detection result of the unit and the detection result of the child door open detection unit does not match, and the detection result of the parent door close detection unit and the detection result of the child door close detection unit does not match, It is preferable to determine that it is abnormal.

According to the above configuration, even when the multiple doors are not moving, it is possible to detect that the relative positions of the main door and the child door detected by the detection unit do not match, and the determination unit detects an abnormality. can be determined.

In the above door device, the parent door open detection unit and the parent door close detection unit are installed in a door case housing a drive device, and the child door open detection unit and the child door close detection unit are installed in the main door. is preferably installed in the

According to the above configuration, since the child door is not provided with the detection unit for detecting the fully open position or the fully closed position, there is no need to install a connection line connected to the detection unit on the child door, which facilitates the installation work. can be done.

In the above door device, the determination unit detects that the main door is in the fully open position after the multiple doors move in the opening direction, and the main door is fully closed. position, the child door open detection unit does not detect that the child door is at the fully open position, and the child door is at the fully closed position. When the child door closed detection unit detects that the child door is in a fully closed state, it is preferably determined that the child door is abnormal.

According to the above configuration, when the multiple door moves to the fully open position, it is detected that the child door is in the fully closed position, so that the child door cannot move in the fully closed state. It can be determined that there is

With respect to the door device, the determination unit determines that the main door opening detection unit does not detect that the main door is in the fully open position after the multiple door is moved in the closing direction, and that the main door is in the full open position. The parent door closed detection section detects that the child door is in the fully closed position, the child door open detection section detects that the child door is in the fully open position, and the child door is in the fully closed position. It is preferable that the child door is determined to be in a fully open state and to be abnormal if the child door closed detection unit does not detect that the child door is closed.

According to the above configuration, when the multiple door moves to the fully closed position, the child door is detected to be in the fully open position, so that the child door cannot move in the fully open state. can be determined.

In the door device, it is preferable that the drive device drives the multiple door to open when the determination unit determines that the door device is abnormal.
According to the above configuration, since the multiple doors are driven to open by the driving device when it is determined that there is an abnormality, only the movable doors among the multiple doors can be opened, and the opening between the track and the platform is ensured. can do.

According to the present invention, it is possible to determine the abnormality of the multiple door between the fully open position and the fully closed position.

1 is a front view of a fully closed state showing the configuration of an embodiment of a door device; FIG. The front view at the time of full opening which shows the structure of the door apparatus of the same embodiment. The block diagram which shows the electric structure of the door apparatus of the same embodiment. The figure which shows the detection result of the detection sensor in each state of the door apparatus of the same embodiment. FIG. 4 is a plan view showing each state of the door device of the same embodiment, wherein (a) is a diagram showing a normal state at the fully open position, (b) is a diagram showing an abnormal state of the child door at the intermediate position, and (c) The figure which shows the abnormal state of the child door in an intermediate position, (d) is a figure which shows the abnormal state of a child door in a fully closed position of a parent door. FIG. 4 is a plan view showing each state of the door device of the same embodiment, where (a) is a diagram showing a normal state at the fully closed position, (b) is a diagram showing an abnormal state of the child door at the intermediate position, and (c). FIG. 4D is a diagram showing an abnormal state of the child door in the intermediate position, and FIG. 4D is a diagram showing an abnormal state of the child door in the fully open position.

An embodiment in which the door device is embodied as a platform door device will be described below with reference to FIGS. 1 to 6. FIG. This platform door device is installed on a platform of a railway or the like.
As shown in FIG. 1 , the platform door device 10 includes a substantially rectangular door pocket portion 20 . The door pocket part 20 is fixed to the platform 1 . The door pocket portion 20 movably supports the multiple door 11 extending from the door pocket portion 20 to the right side in the figure, and houses a driving device 22 for driving the multiple door 11 . The multiple door 11 has a parent door 30 and a child door 40. - 特許庁

The platform door device 10 is installed along the track-side edge of the platform 1 . The platform door device 10 partitions the platform 1 into a track side and a platform 1 side. Although not shown, a plurality of platform door devices 10 are installed on the platform 1, and multiple doors 11 of the platform door devices 10 open and close the aisle.

Two first rails 31 extending in the moving direction of the parent door 30 are installed side by side in the vertical direction. Two first guide blocks 21 for movably holding each first rail 31 are installed in the door case 20 for each first rail 31 . The first guide block 21 has rolling elements that move the first rail 31 . That is, the parent door 30 is held by four first guide blocks 21 . The first guide block 21 is positioned vertically below the first rail 31 and holds the first rail 31 from below.

The door pocket portion 20 includes a first roller 23 rotated by a driving device 22, a first endless belt 24 that is hung around the first roller 23, and a side opposite to the first roller 23 in the moving direction of the parent door 30. and a second roller 25 around which the first endless belt 24 is wound. The main door 30 has a first support member 36 extending vertically. A first attachment member 37 attached to a first support member 36 is fixed to the first endless belt 24 . Therefore, when the first endless belt 24 rotates, the parent door 30 moves via the first mounting member 37 .

Two second rails 32 extending in the direction of movement of the main door 30 are installed side by side in the vertical direction on the main door 30 . Each second rail 32 is positioned above the first rail 31 in the vertical direction. Two second guide blocks 41 for movably holding each second rail 32 are installed on the child door 40 for each second rail 32 . The second guide block 41 has rolling elements that move the second rail 32 . That is, the child door 40 is held by the parent door 30 by four second guide blocks 41 . The upper second guide block 41 is positioned vertically above the upper second rail 32 and holds the second rail 32 from above. The lower second guide block 41 is positioned vertically below the lower second rail 32 and holds the second rail 32 from below.

The parent door 30 includes a third roller 33 and a fourth roller 34 which are spaced apart in the moving direction of the parent door 30, and a second endless belt 35 which is hung between the third roller 33 and the fourth roller 34. there is A second attachment member 26 attached to the door pocket portion 20 is fixed to the second endless belt 35 . A third attachment member 42 attached to the child door 40 is fixed to the second endless belt 35 . Therefore, when the parent door 30 moves, the second endless belt 35 is rotated by the second mounting member 26, and the child door 40 moves.

The door pocket portion 20 is provided with a support frame 27 extending in the moving direction of the parent door 30 . The support frame 27 is provided with a main door open detector 28 for detecting that the main door 30 is at the fully open position and a main door closed detector 29 for detecting that the main door 30 is at the fully closed position. ing. That is, the main door open detection unit 28 detects that the main door 30 is in the fully open position when the first supporting member 36 of the main door 30 is in the facing position, and the first supporting member 36 of the main door 30 is It is not detected that the parent door 30 is at the fully open position when it is not at the opposing position. Further, the main door closing detection unit 29 detects that the main door 30 is in the fully closed position when the first supporting member 36 of the main door 30 is in a position facing each other, and detects that the first supporting member 36 of the main door 30 is in the fully closed position. is not in the opposite position, it is not detected that the main door 30 is in the fully closed position. In other words, the fully open position and the fully closed position of the main door 30 are positions relative to the door pocket portion 20 . The main door open detection unit 28 and the main door close detection unit 29 output detection results.

The child door 40 includes a second support member 43 extending vertically. The parent door 30 is provided with a child door open detector 38 for detecting that the child door 40 is in the fully open position and a child door closed detector 39 for detecting that the child door 40 is in the fully closed position. there is That is, the child door open detection unit 38 detects that the child door 40 is in the fully open position when the second guide block 41 on the lower left side of the child door 40 in the figure faces the child door 40 . When the second guide block 41 on the lower left side in the drawing is not at the position facing the child door 40, it is not detected that the child door 40 is at the fully open position. Further, the child door closing detection unit 39 detects that the child door 40 is in the fully closed position when the second guide block 41 on the lower right side of the child door 40 in the figure is opposed to the child door 40, and detects that the child door 40 is in the fully closed position. When the second guide block 41 on the lower right side in the drawing of 40 is not in a position facing the child door 40, it is not detected that the child door 40 is in the fully closed position. That is, the fully open position and the fully closed position of the child door 40 are positions relative to the parent door 30 , so the position relative to the door case 20 differs depending on the position of the parent door 30 . The child door open detection unit 38 and the child door close detection unit 39 output detection results.

Next, the electrical configuration of the platform door device 10 will be described with reference to FIG.
A control device 50 for controlling the platform door device 10 is installed in the door pocket portion 20 of the platform door device 10 . The control device 50 drives and controls the drive device 22 to move the parent door 30 and the child door 40 of the multiple door 11 . The control device 50 receives detection results from the main door opening detection unit 28 and the main door closing detection unit 29 installed in the door case 20, and detects the sub door opening detection unit 38 and the sub door opening detection unit 38 installed in the main door 30. A detection result is input from the child door closing detection unit 39 . Note that the child door 40 is detected by the child door open detector 38 and the child door closed detector 39 installed on the parent door 30 , so it is not electrically connected to the control device 50 .

The control device 50 includes an acquisition section 51 that acquires the output of the driving device 22 . The acquisition unit 51 acquires whether or not the position of the multiple door 11 is changed from the output of the driving device 22 . The acquisition unit 51 outputs that the multiple door 11 is moving when there is an output from the driving device 22 .

The control device 50 has a determination section 52 that determines whether or not the multiple door 11 is abnormal. The determination unit 52 determines in advance the relative positions of the parent door 30 and the child door 40 from the detection results of the detection units 28, 29, 38, and 39 when the acquisition unit 51 acquires the movement of the multiple door 11. If it is out of the specified range, it is judged to be abnormal. Further, regardless of the movement of the multiple door 11, the determination unit 52 determines from the detection results of the detection units 28, 29, 38, and 39 that the relative positions of the main door 30 and the child door 40 are outside the predetermined range. , is determined to be abnormal.

That is, as shown in FIG. 4, the determination unit 52 of the platform door device 10 determines as follows. Here, the relative positions of the parent door 30 and the child door 40 at the fully open position and the fully closed position of the parent door 30 and the child door 40 match if normal, and do not match if abnormal. In other words, if it is normal, the detection results match, and if it is abnormal, the detection results do not match. That is, the predetermined range is a range in which the detection result of the main door opening detection section 28 and the detection result of the child door opening detection section 38 match because the judgment section 52 makes a judgment based on the matching of the detection results. Also, it is a range in which the detection result of the parent door closing detection unit 29 and the detection result of the child door closing detection unit 39 match.

As shown in state 2 of FIG. 4, when the acquisition unit 51 acquires the movement of the multiple door 11, the determination unit 52 If the results do not match, it is determined to be in an abnormal state. Note that the determination unit 52 may start determination using acquisition of movement of the multiple door 11 as a trigger.

As shown in state 6 in FIG. 4 , when the acquisition unit 51 acquires the movement of the multiple door 11, the judgment unit 52 If the results do not match, it is determined to be in an abnormal state. Note that the determination unit 52 may start determination using acquisition of movement of the multiple door 11 as a trigger.

As shown in state 1 and state 5 in FIG. When the detection result and the detection result of the child door closing detection unit 39 match, it is determined that the state is normal.

As shown in states 3 and 8 in FIG. 4, the determination unit 52 determines that an abnormal state exists when the detection result of the main door opening detection unit 28 and the detection result of the child door opening detection unit 38 do not match. .
In particular, as shown in state 3 in FIG. 4, the determination unit 52 determines that the main door opening detection unit 28 has not detected that the main door 30 is in the fully open position after the multiple door 11 has moved in the closing direction. Further, the main door closed detection unit 29 detects that the main door 30 is in the fully closed position, and the child door open detection unit 38 detects that the child door 40 is in the fully open position, and If the child door closing detection unit 39 does not detect that the child door 40 is in the fully closed position, it is determined that the child door 40 is in the fully open state while the multiple door 11 is being moved to the fully closed position.

As shown in states 4 and 7 in FIG. 4, the determination unit 52 determines that an abnormal state exists when the detection result of the parent door closing detection unit 29 and the detection result of the child door closing detection unit 39 do not match. .
In particular, as shown in state 7 in FIG. 4, the determination unit 52 determines that the main door opening detection unit 28 detects that the main door 30 is in the fully open position after the multiple door 11 has moved in the opening direction. Further, the main door closed detection unit 29 has not detected that the main door 30 is in the fully closed position, and the child door open detection unit 38 has not detected that the child door 40 is in the fully open position, and When the child door closing detection unit 39 detects that the child door 40 is in the fully closed position, it is determined that the child door 40 is in the fully closed state while the multiple door 11 is being moved to the fully open position.

Next, the operation of the platform door device 10 will be described with reference to FIGS. 5 and 6. FIG.
FIG. 5(a) shows state 1 of FIG. 4 in which the parent door 30 and the child door 40 are in the fully open position. In state 1, the parent door open detection unit 28 detects opening, the child door open detection unit 38 detects opening, the parent door closing detection unit 29 does not detect closing, and the child door closing detection unit 39 detects closing. Not detected. Therefore, the determination unit 52 determines that the detection result “open detected” of the main door open detection unit 28 matches the detection result “open detected” of the child door open detection unit 38, and the main door close detection unit 29 Since the detection result “closed not detected” and the detection result “closed not detected” of the child door close detection unit 39 match, it is determined that the state is normal.

FIG. 5(b) shows that the multiple door 11 is moved from the state of FIG. FIG. 4 shows State 2 of FIG. For example, when the second endless belt 35 breaks, the child door 40 cannot move with respect to the parent door 30 . In state 2, the acquisition unit 51 acquires movement, the parent door opening detection unit 28 does not detect opening, the child door opening detection unit 38 detects opening, the parent door closing detection unit 29 detects closing, Child door closing detection part 39 does not detect closing. Therefore, the determination unit 52 determines that an abnormal state exists because the detection result of the parent door opening detection unit 28 "not detected open" and the detection result "open detected" of the child door open detection unit 38 do not match. do.

FIG. 5(c) shows state 3 of FIG. 4 in which the multiple door 11 has been moved from the state of FIG. is shown. For example, when the second endless belt 35 breaks, the child door 40 cannot move with respect to the parent door 30 . In state 3, the acquisition unit 51 does not acquire movement, the parent door opening detection unit 28 does not detect opening, the child door opening detection unit 38 detects opening, and the parent door closing detection unit 29 detects closing. , the child door closing detection unit 39 does not detect closing. Therefore, the determination unit 52 determines that the detection result of the parent door open detection unit 28 “not detected open” and the detection result “open detected” of the child door open detection unit 38 do not match, and the main door close detection unit 29 and the detection result of the child door close detection unit 39 "not detected closed", the child door 40 remains fully open while the parent door 30 is in the fully closed position. state.

FIG. 5(d) is a diagram in which the multiple door 11 is moved by the driving device 22, the child door 40 stops moving relative to the main door 30 while it is moving to the fully open position, and the main door 30 reaches the fully closed position. 4 state 4 is shown. In state 4, the acquisition unit 51 does not acquire movement, the parent door opening detection unit 28 does not detect opening, the child door opening detection unit 38 detects opening, and the parent door closing detection unit 29 does not detect closing. Therefore, the child door closing detection unit 39 does not detect closing. Therefore, the determination unit 52 determines that the state is abnormal because the detection result of the parent door closing detection unit 29 “closed detected” and the detection result “closed not detected” of the child door close detection unit 39 do not match. do.

FIG. 6(a) shows state 5 of FIG. 4 in which the parent door 30 and the child door 40 are in the fully closed position. In state 5, the parent door open detection unit 28 does not detect opening, the child door open detection unit 38 does not detect opening, the parent door close detection unit 29 detects closing, and the child door close detection unit 39 closes. to detect. Therefore, the determination unit 52 determines that the detection result “open is not detected” by the parent door open detection unit 28 matches the detection result “open is not detected” by the child door open detection unit 38, and the parent door close detection unit Since the detection result "closed detected" of 29 and the detection result "closed detected" of the child door closing detection unit 39 match, it is determined that the state is normal.

FIG. 6(b) shows that the multiple door 11 is moved from the state of FIG. FIG. 5 shows State 6 of FIG. 4 without movement. For example, when the second endless belt 35 breaks, the child door 40 cannot move with respect to the parent door 30 . In state 6, the acquisition unit 51 acquires movement, the parent door opening detection unit 28 does not detect opening, the child door opening detection unit 38 detects opening, the parent door closing detection unit 29 detects closing, Child door closing detection part 39 does not detect closing. Therefore, the determination unit 52 determines that an abnormal state exists because the detection result of the parent door opening detection unit 28 "not detected open" and the detection result "open detected" of the child door open detection unit 38 do not match. do.

FIG. 6(c) shows state 7 in FIG. 4 in which the multiple door 11 has been moved from the state in FIG. showing. In state 7, the acquisition unit 51 does not acquire movement, the parent door opening detection unit 28 detects opening, the child door opening detection unit 38 does not detect opening, and the parent door closing detection unit 29 does not detect closing. First, the child door closing detection unit 39 detects closing. Therefore, the determination unit 52 determines that the detection result of the parent door open detection unit 28 “detected open” and the detection result “not detected open” of the child door open detection unit 38 do not match, and the main door close detection unit 29 and the detection result of the child door close detection unit 39 "closed detected" do not match, the child door 40 remains in the fully closed state while the main door 30 is in the fully open position. state.

FIG. 6(d) shows that the multiple door 11 is moved by the driving device 22, and the child door 40 stops moving relative to the main door 30 while it is moving to the fully open position, and the main door 30 reaches the fully open position. state 8 is shown. In state 8, the acquisition unit 51 does not acquire movement, the parent door opening detection unit 28 detects opening, the child door opening detection unit 38 does not detect opening, and the parent door closing detection unit 29 does not detect closing. Therefore, the child door closing detection unit 39 does not detect closing. Therefore, the determination unit 52 determines that an abnormal state exists because the detection result of the parent door opening detection unit 28 "detected open" and the detection result "closed not detected" of the child door open detection unit 38 do not match. do.

Therefore, when the second endless belt 35 connecting the parent door 30 and the child door 40 is broken and the multiple door 11 is moved by the driving device 22, the state 2 or the state 6 can be reached even if the multiple door 11 moves only a little. Thus, the determination unit 52 can determine that the multiple door 11 is abnormal. Further, even after the multiple door 11 has moved, the determination unit 52 can determine that the multiple door 11 is abnormal.

Next, the effects of this embodiment will be described.
(1) When any one of the multiple doors 11 is abnormal, the relative positions of the parent door 30 and the child door 40 deviate from the predetermined relative positions when the multiple door 11 moves. can determine anomalies. Therefore, it is possible to determine the abnormality of the multiple door 11 between the fully open position and the fully closed position.

(2) Since the acquisition unit 51 acquires the movement of the multiple door 11 from the output of the driving device 22, the movement of the multiple door 11 can be reliably detected, and the determination unit 52 can perform abnormality determination.
(3) The judging section 52 can judge an abnormality when the relative positions of the parent door 30 and the child door 40 detected by the detecting sections 28, 29, 38, and 39 do not match.

(4) Since the child door 40 is not provided with a detection unit for detecting the fully open position and the fully closed position of the child door 40, there is no need to install a connection line connected to the detection unit on the child door 40, which facilitates the installation work. can be

(5) When the multiple door 11 is moving in the closing direction, the main door 30 and the child door 40 are not positioned at the fully open position. The determination unit 52 can make the determination.

(6) When the multiple door 11 is moving in the opening direction, the main door 30 and the child door 40 are not positioned at the fully closed position, so the detection at the fully open position does not match, and the multiple door 11 is abnormal. can be determined by the determining unit 52 .

(7) When the multiple door 11 moves to the fully open position, it is detected that the child door 40 is in the fully closed position, so the child door 40 cannot move in the fully closed state. It can be determined that there is

(8) Abnormality in which, when the multiple door 11 moves to the fully closed position, it is detected that the child door 40 is in the fully open position, so that the child door 40 cannot move in the fully open state. can be determined.

(9) Since the multiple door 11 is driven to open by the driving device 22 when it is determined that there is an abnormality, only the movable door among the multiple doors 11 can be opened, and the opening between the track and the platform 1 can be opened. can be secured.

(Other embodiments)
This embodiment can be implemented with the following modifications. This embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.

In the above embodiment, the main door 30 is provided with the first rail 31, and the door pocket 20 is provided with the first guide block 21 for holding the first rail 31. However, the door pocket 20 is provided with the first rail and the main door A first guide block may be provided at 30 to hold the first rail.

In the above embodiment, the main door 30 is provided with the second rail 32, and the child door 40 is provided with the second guide block 41 for holding the second rail 32. However, the child door 40 is provided with the second rail, A second guide block may be provided at 30 to hold the second rail.

In the above embodiment, the door case 20 is provided with the main door open detector 28 for detecting the fully open position of the main door 30 and the main door closed detector 29 for detecting the fully closed position of the main door 30 . However, the parent door 30 may be provided with the parent door open detector 28 for detecting the fully open position of the parent door 30 and the parent door closed detector 29 for detecting the fully closed position of the parent door 30 .

In the above-described embodiment, the main door 30 is provided with the child door open detector 38 that detects the fully open position of the child door 40 and the child door closed detector 39 that detects the fully closed position of the child door 40 . However, the child door 40 may be provided with the child door open detector 38 for detecting the fully open position of the child door 40 and the child door closed detector 39 for detecting the fully closed position of the child door 40 .

In the above embodiment, the acquisition unit 51 acquires the output of the drive device 22 in the platform door device 10 whose state is to be determined, but the acquisition unit acquires the output of the drive device 22 in another platform door device 10. , the determination unit 52 may determine. In this way, it is not necessary to acquire the outputs of the driving devices 22 of all the platform door devices 10, and the number of acquisition units can be reduced.

- Although the acquisition unit 51 acquires the output of the driving device 22 in the above embodiment, the signal of the control device 50 may be acquired in addition to the output of the driving device 22 . Further, the configuration of the acquisition unit 51 may be omitted by the determination unit 52 acquiring whether or not the multiple door 11 is moved.

- In the above embodiment, the control device 50 is provided inside the platform door device 10 , but the control device 50 may be provided outside the platform door device 10 .
- In the above embodiment, the driving force of the drive device 22 is transmitted from the main door 30 to the child door 40 via the second endless belt 35. , the child door 40 may move together with the parent door 30. - 特許庁In such a case, the determination unit 52 determines that there is an abnormality when any of the drive devices fails.

- In the above embodiment, the relative positions of the main door 30 and the child door 40 are detected by detecting the fully open position or the fully closed position of the main door 30 and the child door 40 by the detection units 28 , 29 , 38 and 39 . However, as long as the relative positions of the parent door 30 and the child door 40 can be detected, the detection unit is not limited to detecting the fully open position or the fully closed position of the parent door 30 and the child door 40 .

- In the above-described embodiment, a predetermined range is defined as a range in which detection results match. However, if the detection unit can detect the position of the parent door 30 and the position of the child door 40 in a wide range, the predetermined range is not the range where the detection results match, but the relative position of the parent door 30 and the child door 40 is determined. Abnormality may be determined when the position is out of a predetermined range.

- In the above-described embodiment, the door device is embodied as a platform door device, but it may be embodied as a door device having multiple doors of a full-height type. That is, the main door is suspended from the first rail that is installed loosely via the hanging metal fittings, and the child door is suspended from the second rail that is installed loosely via the hanging metal fittings. Then, in the same manner as in the above embodiment, the driving device, the first endless belt and the second endless belt are installed, and a detection unit is provided for detecting the fully open position and the fully closed position of the parent door and the child door, respectively. A determination unit determines an abnormality.

- In the above-described embodiment, the door device has two multiple doors 11, but the door device may have three or more multiple doors. In the case of three or more doors, by providing detection units for respectively detecting the fully open position and the fully closed position of two of the three or more doors, the fully open position and the fully closed position can be detected in the same manner as in the above embodiment. Abnormality of multiple doors between can be detected. Further, by providing a detection unit for detecting the fully open position and the fully closed position of the leading door of the multiple doors, it is possible to detect an abnormality in the middle door of the multiple doors.

DESCRIPTION OF SYMBOLS 1... Platform, 10... Platform door apparatus, 11... Multiple door, 20... Door case part, 21... First guide block, 22... Driving device, 23... First roller, 24... First endless belt, 25... Second roller , 26... Second mounting member 27... Support frame 28... Parent door open detector 29... Parent door closed detector 30... Parent door 31... First rail 32... Second rail 33... Third rail Roller 34... Fourth roller 35... Second endless belt 36... First supporting member 37... First mounting member 38... Child door open detector 39... Child door closed detector 40... Child door, 41... Second guide block, 42... Third attachment member, 43... Second support member, 50... Control device, 51... Acquisition unit, 52... Judgment unit.

Claims (8)

a detection unit that detects the relative positions of the parent door and the child door of a multiple door including the parent door and the child door that move together;
a movement detection unit that detects that the multiple door is moving from an output of a driving device that drives the multiple door;
A determination unit that determines an abnormality when the relative position detected by the detection unit is out of a predetermined range while the movement detection unit is detecting that the multiple door is moving. and a determination device. a position acquisition unit that acquires relative positions of the parent door and the child door of a multiple door including the parent door and the child door that move together;
a movement acquisition unit that acquires that the multiple door is moving from an output of a driving device that drives the multiple door;
Judgment to determine that there is an abnormality when the relative position acquired by the position acquisition unit is out of a predetermined range while the movement acquisition unit acquires that the multiple door is moving. and a determination device. a detection unit that detects the relative positions of the parent door and the child door of a multiple door including the parent door and the child door that move together;
a movement detection unit that detects that the multiple door is moving from an output of a driving device that drives the multiple door;
A determination unit that determines an abnormality when the relative position detected by the detection unit is out of a predetermined range while the movement detection unit is detecting that the multiple door is moving. A door device. a detection unit that detects the relative positions of the parent door and the child door of a multiple door including the parent door and the child door that move together;
a determination unit that determines an abnormality when the relative position detected by the detection unit is out of a predetermined range when the multiple door moves,
The detection unit is
a parent door open detection unit that detects that the parent door is in the fully open position;
a parent door closed detection unit that detects that the parent door is in the fully closed position;
a child door open detection unit that detects that the child door is in the fully open position;
A child door closed detection unit that detects that the child door is in the fully closed position,
The determination unit determines whether the detection result of the main door open detection unit and the detection result of the child door open detection unit match, and the detection result of the main door close detection unit and the detection result of the child door close detection unit. Judge as abnormal when at least one of the matches does not hold
door device. The parent door open detection unit and the parent door close detection unit are installed in a door case housing a drive device,
The door apparatus according to claim 4 , wherein the child door open detection section and the child door closed detection section are installed in the parent door. The determination unit detects that the main door is in the fully open position after the multiple door is moved in the opening direction, and that the main door is in the fully closed position. The child door open detection unit has not detected that the parent door closed detection unit has not detected and the child door is at the fully open position, and the child door has been at the fully closed position. 6. The door device according to claim 4 or 5 , wherein when the child door closing detection unit detects, it is determined that the child door is abnormal in the fully closed state. The determination unit determines that the main door opening detection unit has not detected that the main door is in the fully open position after the multiple door has moved in the closing direction, and that the main door is in the fully closed position. is detected by the parent door closed detection unit, the child door open detection unit detects that the child door is in the fully open position, and the child door is in the fully closed position. 7. The door device according to any one of claims 4 to 6 , wherein if the door closed detection section does not detect, it is determined that the child door is in a fully open state and abnormal. The door device according to any one of claims 3 to 7 , wherein when the determination unit determines that there is an abnormality, the driving device drives the multiple doors to open.

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