JPS5952081A - Automatic door control system of wind shield chamber - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a control system for automatic doors of windbreak rooms provided at entrances and exits of buildings, etc.

Conventionally, entrances and exits of buildings have been used to prevent the entry and exit of pedestrians, prevent wind and rain from entering the building, and to prevent air conditioning and heating from entering and exiting buildings.
Windbreak rooms are installed to block ventilation inside and outside the building, such as to prevent warm air from escaping outside. As shown in FIG. 1, this windbreak room includes a first door 1 that automatically opens and closes at one entrance of the windbreak room A, and a second door 2 that automatically opens and closes at the other entrance. 1st
A detection area 3 and a detection area 4 are set for detecting objects passing by before and after the door 1 (in the direction of traffic), and a detection area 5 and a detection area for detecting objects passing by are set in front and behind the second door 2 (in the direction of traffic). Set area 6. In addition, in order to ensure safety by preventing objects passing by from getting caught in the door, a safety switch is set so that the floodlight beams 7a and 8a are located near the doors inside and outside the windbreak room A of the first door 1. 7 and 8 are installed, and safety switches 9 and 1o are installed so that the floodlight beams 9a and 10a are located near the doors inside and outside the windbreak room A of the second door 2.

Then, when a passing body enters the detection area 3 or the detection area 4, it is detected, and based on the detection signal, a door drive device (not shown) is operated to open the first door 1, and the safety switch 7.8 A passing body near the door is detected, and based on the detection signal, a door drive device is operated to keep the first door 1 open or in the open position so that the passing body is not caught in the door. The first door 1 begins to close after a certain period of time (a preset time) after this passing object passes through the first door 1 and leaves the detection area 4 or the detection area 3. Next, the second door 2 is also used for the detection area 5 or detection area 5 in the same manner as described above. When a passing body enters J76, it is detected, and based on the detection signal, the door driving device (not shown) is activated to open the second door 2, and the safety switch 9.10 is activated to detect a passing object near the door. A body is detected, and based on the detection signal, the door drive device is operated to keep the second door 2 open or in the open position so that the body is not caught in the door. The second door 2 begins to close after a certain period of time after this passing object passes through the second door 2 and leaves the detection area 6 or the detection area 5.

However, such a conventional door of the windbreak room A detects when a passing object enters the detection area 3, opens the first door 1, and then opens the first door 1 until the passing object passes and leaves the detection area 4. 1 Door 1 is kept fully open. However, as mentioned above, the purpose of a windbreak room is to block ventilation between the inside and outside of a building, so the door is opened as quickly as possible after passing objects have passed, in fact, after passing the safety switch for safety reasons. In this respect, the door of a conventional windbreak room has a problem in that the door does not close immediately after a passing object has passed.

In addition, in order to solve the above-mentioned problem, objects passing through the door and moving away from the door can be prevented from being detected in the detection area 4 or 6. In this case, a new detection area 11 is set adjacent to the detection area 4, and the detection area 12 is set adjacent to the detection area 4, as shown by the dotted line in FIG. It is set adjacent to the detection area 6, and when a passing object enters from the detection area 4 toward the detection area 11, an open signal is not output to the door drive device of the first door 1, and the opening signal is set adjacent to the detection area 11. When a passing object enters toward 4, an open signal is output to the door drive device of the first door 1, and similarly for the door 2 side of @2, the signal is output from the detection area 6 toward the detection area 12. When a passing object enters, an open signal is not output to the door driving device of the second door 2, and when a passing object enters from the detection area 12 toward the detection area 6, the opening signal is not output to the door driving device of the second door 2. A control circuit having a direction selection function may be configured so that an open signal is output.

However, with this configuration, if a passing object passes through the first door or the second door and enters the windbreak room, the door can be quickly closed □, but the detection of each detection area of the windbreak room A problem arises in that the number of switches doubles from the conventional two to four.

Therefore, the present invention was made in view of the above-mentioned problems.
In addition to reducing the number of detection switches in the windbreak room,
For safety reasons, the purpose is to close the door as quickly as possible after a passing object passes through it by using the conventionally installed safety switch. The first detection switch and the second detection switch are arranged so that the detection areas are located near the outside (opposite side to the windbreak room) and inside (on the side of the windbreak room) of the first door of the room, respectively, and along the direction of travel. A switch is installed outside the second door of the windbreak room (on the side opposite to the windbreak room) and inside (on the side of the windbreak room).
A third detection switch and a fourth detection switch are arranged so that detection areas are located in the vicinity and along the running direction, respectively, and the first detection switch and the second detection switch or the third detection switch and the fourth detection The switch functions as a safety switch that opens the first or second door when a passing object is detected near the door, and prevents the passing object from being caught in the door. The second door is opened when the second detection switch is activated after the first detection switch is activated, and the fourth door is opened after the third detection switch is activated.
This is an automatic door control system for a windbreak room that functions as a direction selection activation switch that detects a predetermined direction of traffic and opens the door so that the first door is opened when the detection switch is activated. .

The present invention will be explained below based on FIGS. 2 and 3. In FIG. 2, a first door 1 is provided at one entrance of a windbreak room A, and a second door 2 is provided at the other entrance. Said first door 1
A detection area 15 is set outside of the windbreak room A, and a second
A detection area 16 is set outside the windshield room A of the door 2. In addition, the first detection sensor 17 is installed so that the detection area 17a is located near the outside of the first door (on the opposite side from the windbreak room A) and along the first door 1, and the first detection sensor 17 is installed inside the first door 1. (Windbreak room A side) Nearby and along the first door l Detection area 1
The second detection switch 1B is installed so that the switch 8a is located. Furthermore, near the outside of the second door 2 (on the opposite side from the windbreak room A), and the second door 2? The third detection switch 19 is installed so that the detection area 19a is located along the second door 2, and the detection area 20a is located near the inside of the second door 2 (windshield room A side) and along the second door 2. The fourth detection switch 20 is installed so that Next, the control circuit in such a configuration will be explained based on FIG. and the second detection switch 18 are connected to the first control section M, and the output terminal of a second direction selection circuit Q, which will be described later, is connected to the first control section M, and the lJ1 power terminal of the first control section M is Said first pi
It is connected to the first door driving device 22 that drives the door i. Further, the first detection switch 17 and the second detection switch 18 are connected to the input end of a first direction selection circuit P, and the output end of the first direction selection circuit P is connected to the input end of a second control section N, which will be described later. are doing.

On the other hand, the detection switch 23, 81!3 detection switch 19, and fourth detection switch 20 for detecting the presence or absence of a passing object in the detection area 16 are connected to the input terminal of the second control section N, and The output terminal of the direction selection circuit P is connected to this second
It is connected to an input end of a control section N, and an output end of this second control section N is connected to a second door driving device 24 that drives the second door 2. Further, the third detection switch 19 and the fourth detection switch 20 are connected to the input terminal of a second force direction selection circuit Q, and the output terminal of the second direction selection circuit Q is connected to the input terminal of the first control section M. Connected.

In the first shaft control section M, the detection switch 21, the first detection switch 17, and the second detection switch 18 are connected to the input terminal of the first OR circuit OR1, and the output terminal of the second direction selection circuit Q described in niI is connected to the input terminal of the first OR circuit OR1. On-off delay type delay timer T1
The output terminal of the first OR circuit ORI is connected to the converter 25 via an off-delay type delay timer T2, and the converter 25 converts the open or close signal as the output of the first controller M into the converter 25. It is configured to output to the single door drive device 22.

The second control section N is basically the same as the first control section M described above, so to briefly explain it, the second OR circuit OR2
Detection switch 23, third detection switch f19,
The output terminal of the first direction selection circuit P is connected via the fourth detection switch y-20 and the on-off delay type delay timer T3, and the output terminal of this second OR circuit OR2 is connected via the off-delay type Chikanobu timer T4. 26, and this conversion section 26 outputs an open or close signal to the second door drive device 24 as an output of the second control section N.

In the first direction selection circuit P, a first detection switch 17 is connected to the input terminal of a first AND circuit AN1, and a second detection switch 18 is connected to a NOT circuit N.

The output terminal of the first AND circuit ANI is connected to the second AND circuit AN2 via an on-off delay type delay timer T5, and the second AND circuit AN2
The second detection switch 18 is connected to the input terminal of the second AND circuit AN2, and the output terminal of the second AND circuit AN2 is connected to the first direction selection circuit v-P.
The configuration is such that it is connected to the second control section N as an output end of the control section N. The second direction sorting circuit Q is basically the same as the first direction sorting circuit P described above, so to briefly explain, the third direction sorting circuit Q
The input terminal of the AND circuit AN3 is connected to a fourth detection switch 20 via a third detection switch 19 and a NOT circuit NO2, and the input terminal of the fourth AND circuit AN4 is connected to a fourth detection switch 20 via an on-off delay type delay timer T6. The output end of the 3-AND circuit AN3 is connected, and the fourth detection switch 2o is also connected, and the output end of the fourth AND circuit AN4 is connected to the second direction selection circuit. The configuration is such that it is connected to the first control section M as an output end of the control section M.

Next, the operation of the embodiment configured as described above will be explained. First, before explaining the overall operation, the operation of the first direction selection circuit P will be explained with reference to the time chart of FIG. 4. When the second detection switch 18 is activated after the first detection switch 17 is activated, the first detection switch P17 outputs the signal H and the first detection switch 18 is activated, as shown in the time chart of FIG. The second detection switch 18 outputs a signal H after a delay from the signal H of the first detection switch 17, which is inverted by the NOT circuit NOI and sent to the first AND circuit ANI. Because it was done.

Then, the first AND circuit ANI outputs a signal H as shown in the figure, which is input to the second AND circuit AN2 while being held for a set time of 15 by the delay timer T5, and is input to the second AND circuit AN2.
A signal H from the second detection switch 18 is input to N2. Then, the second AND circuit AN2 outputs a signal H. Next, when the first detection switch 17 is activated after the WJ, 2 detection switch 18 is activated, the delay timer is The signal output from T5 is the second
When the signal is input to the AND circuit AN2, there is no signal from the second detection switch 18 input to the second AND circuit A'N2. Therefore, no signal is output from the second AND circuit AN2.In this way, the first direction selection circuit P
After the detection switch 17 is activated, the second detection switch 18
When activated, an output signal is output to the second control unit N, and even if the first detection switch 'f-17 is activated after the second detection switch 18 is activated, the output signal is not output to the second control unit N. No signal is output. Further, the second direction sorting circuit Q is basically the same as the above-mentioned @1 direction sorting circuit P, so a detailed explanation will be omitted. When the fourth detection switch 20 is activated after the third detection switch 19 is activated, it outputs an output signal to the first control 1111 section M, and the third detection switch 19 is activated after the fourth detection switch f20 is activated. When activated, the output signal is not output to the first control unit M.

Therefore, in FIG. 2, when a passing object comes from the direction X in the figure, when the passing object enters the detection area 15, the detection switch 21 is activated and the signal is input to the @1 OR circuit ORI, and this first A signal is input from the OR circuit OR1 to the converter 25 while being held for a set time by the delay timer T2, and an open signal is output from the converter 25 to the first door driving device @22 to drive it and open the first door 1. . A passing object is near the first door 1-
While the first detection switch 17 and the second detection switch 18 are operating, a signal is output to the first OR circuit ORI, so the conversion unit 25 outputs an open signal to the first door □ drive device 22. Keep doing it. That is, the first detection switch 17 and the second detection switch 'f18 function as safety switches to prevent objects passing by from being caught in the @1 door 1, thereby ensuring safety. When the passing body passes and leaves the detection area 18a of the second detection switch 18, the signal is not inputted to the conversion unit 25 after the set time of the delay timer T2. Output the signal and
Door 1 begins to close from the fully open position. Further, when a passing object passes, the first detection switch 17 is activated, and then the second detection switch 18 is activated, and these signals are input to the @1 direction selection circuit P.

Then, as described above, the first direction selection circuit P outputs a signal to the second control section N, and the second control section N receives the signal from the first direction selection circuit P after the set time of the delay timer T3. is input to the second OR circuit OR2, and this second OR circuit O
A signal is inputted from R2 to the conversion unit 26 while being held for a set time by the delay timer T4, and an open signal is output from the conversion unit 25 to the @2 door driving device 24, which is driven and the second door 2 is opened.

When a passing object passes through this opened second door 2, the detection area 16
When the second door drive unit 24 leaves the door, no signal is input to the second control unit N, so after the set time of the delay timer T4, a closing signal is output from the conversion unit 26 to the second door driving device 24, and the second door 2 starts to close. Further, when a passing object passes through the second door 2, the third detection switch 19 and the fourth detection switch 20 are activated, and these signals are input to the second control unit N, and the second door drive device is operated in the same manner as described above. 24 continues to output the open signal. That is, the third detection switch 19 and the fourth detection switch 20 function as safety switches to prevent objects passing by from being caught in the second door 2, thereby ensuring safety. Furthermore, the passing body operates the fourth detection switch 20 and then the third detection switch 19, so that the fourth detection switch of the second direction selection circuit Q is activated as described above.
Since no signal is output from the AND circuit AN4 to the first control unit M, the first door 1 will not open.

Next, in Figure 2, when a passing object comes from the Y direction in the figure, it is basically the same as when it comes from the X direction in the figure, so to briefly explain, the passing object enters the detection area 16. When the detection switch 23 is activated, the signal is inputted to the second control section N, and from this second control section N the second door driving device 2 is activated.
An open signal is output to the door 4, which drives the second door 2 and opens the second door 2. When a passing object is near the second door 2 and the third detection switch 19 and the fourth detection switch 20 are activated, the signal is input to the second control section N, and the signal is input from the second control section N to the third detection switch 19 and the fourth detection switch 20. The opening signal continues to be output to the two-door drive device 24, that is, the third detection switch 19 and the fourth detection switch 20 function as safety switches to prevent the second door 2 from being caught due to physical force. When the passing body passes and leaves the detection area 20a of the fourth detection switch 20, no signal is input to the second control section N. Therefore, after the set time of the delay timer T4, the second control section N sends the signal to the second door driving device. A close signal is output to 24, and the second door 2 begins to close. Furthermore, as a result of the passage of a passing object (), the third detection switch 19 is activated, and then the fourth detection switch 20 is activated, so that a signal is output from the second direction selection circuit Q to the first control unit M as described above. 1. f! ! 1 control unit M outputs an open signal to the first door driving device 22 after a set time of the delay timer T1 to open the first door 1. When a passing object passes through this opened first door 1 and leaves the detection area 15, the first
Since no signal is input to the control unit M, a close signal is output to the first door driving device 22 after the set time of the delay timer T2, and the first door 1 starts to close. Furthermore, when a passing object passes through the first door 1, the first detection switch 17 and the second detection switch 18 are activated and a signal is output to the first control section M, which controls the first door drive. The open signal continues to be output to the device 22, that is, the first detection switch 17 and the second detection switch 18 function as safety switches. Furthermore, since the first detection switch 17 is activated after the second detection switch 18 is activated, the first direction selection circuit P does not output a signal to the second control unit N as described above. Door 2 will never open.

In this way, the first detection switch 17 and the second detection switch 18 detect a passerby near the first door and give an open signal to the first door to prevent the object from being pinched by the door. It also functions as a safety switch that detects the direction in which a passing body passes through the S1 door and functions as a direction selection switch that opens the other second door to the passing body that enters the windbreak room A. This is what I did. In addition, a third detection switch 19 and a fourth detection switch 20 are safety switches that detect objects passing by near the second door and give an open signal to the second door to prevent the object from being pinched by the door. Work as a
Furthermore, the second door functions as a direction selecting operation switch that detects the direction in which a passing body passes through and opens the other first door to the passing body entering the windbreak room A.

In the embodiment shown in Fig. 2, detection areas 15.16 are set outside the windbreak room A of each leg 1.2, but for example, as shown by chain lines in Fig. 2, each door In addition to the detection areas 15 and 16, detection areas 27 and 28 are installed in parallel outside the windbreak room A in 1.2 to detect the direction of passing objects, for example in the X direction in Figure 2. f for the passerby coming from! 41 Door 1 is opened, but the opening signal can be made not to be given to the first door 1 for passing objects going in the Z direction in the figure, and for passing objects leaving from windbreak room A. The door can be closed as quickly as possible after passing through the detection area 17a of the first detection switch 17.

The same applies to the second door side.

As is clear from the following, according to the present invention, detection switches are provided near the inside and outside of the door of the windbreak room along the running direction, and these detection switches are used to prevent the door from interfering with objects passing through. It can be used as a safety switch function to prevent wind damage, and as a direction selection operation switch function to open the other door by detecting the direction of movement of objects passing through depending on the activation order of each detection switch. The detection switch can be omitted, and if a passing object passes through the door and enters the windbreak room, the door that has passed through can be quickly closed, which has the advantage of improving the blocking effect of blocking ventilation between the inside and outside of the building. In addition, when a passerby passes through the door and enters the windbreak room, by sending an early open signal to the other door, that door is already open when the passerby approaches the other door. This has the advantage of allowing smooth passage.

[Brief explanation of drawings]

FIG. 1 is a schematic diagram showing the configuration of a conventional windshield chamber, FIG. 2 is a schematic diagram showing the configuration of the windshield chamber of the present invention, FIG. 3 is a schematic diagram of the control shown in FIG. 2, and FIG. 4 This is a tights\chart of the first direction sorting circuit P of Fig. 3. 1... First door 2... Second door 17... First detection switch 18... Second detection switch 19... Third detection switch 20... Fourth detection switch 22.
...First door drive device 24...Second door drive! kIl device A...Wind shield room P...First direction sorting circuit Q.
... Separate circuit for 2nd Brake Applicant 2 Nippon Air Brake Co., Ltd. Figure 4 (a) 399- (b)

Claims (1)

[Claims] In a windbreak room installed at the entrance of a building, a first door and a second door are provided at the entrance of the windbreak room, and the outside (opposite side of the windbreak room) and inside (windbreak A first detection switch and a second detection switch are arranged so that the detection areas are located near the (room side) and along the running direction, respectively,
A third detection switch and a fourth detection switch are arranged so that the detection areas are located near the outside (opposite side to the windbreak room) and inside (on the side of the windbreak room) of the second door and along the traveling direction thereof.
A detection switch is provided, and the first detection switch and the second detection switch or the third detection switch and the fourth detection switch open the first door or the second door when a passing body is detected near the door travel. It functions as a safety switch to prevent objects passing by from getting caught in the door, and also opens the second door when the second detection switch is activated after the first detection switch is activated due to the passage of objects. A windshield that functions as a direction selection operation switch that detects the predetermined direction of traffic of a passing vehicle and opens the door so that the first door is opened when the fourth detection switch is activated after the third detection switch is activated. Automatic door control system for the room.