JPH08100569A - Automatic door control device - Google Patents

Abstract

(57) [Summary] [Purpose] To open and close the door without operating the length measurement data set switch. When the door stroke is not stored in the non-volatile ram 25, a means for opening and closing the door at a low speed by a power-on signal to measure the door stroke, a means for normally opening and closing based on the measured value, Provided is a length measurement data set switch 31 for storing the extended door stroke in the nonvolatile ram 25, and means for normally opening and closing based on the door stroke stored by the power-on signal when the nonvolatile ram 25 stores the door stroke. .

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for an automatic door.

[0002]

2. Description of the Related Art In an automatic door, a belt is wound around a driving pulley and a driven pulley which are normally and reversely rotated by a motor, the belt is connected to the door, and the motor is normally and reversely rotated to automatically open and close the door. It is a thing.

As a control device for the automatic opening / closing door,
For example, the one disclosed in Japanese Patent Publication No. 2-4747 is known. That is, a counting clock pulse proportional to the movement amount of the door is detected, the counting clock pulse and a predetermined door stroke are added / subtracted to detect the current position of the door, and the door is opened / closed based on the detected current position. A control device for an automatic door that controls movement is known.

In this automatic opening / closing door control device, it is necessary to set the door stroke value by some means. For example, as shown in Japanese Patent Publication No. 2-4747, the door is turned on by a power-on signal and a length measurement mode signal. Is provided with a means for performing a low speed opening / closing operation, a means for measuring a door stroke during the low speed opening / closing operation of the door, and a door stroke storage ram for storing the length measurement value as a door stroke value, and only when the door is installed It is known that the door stroke value is set by operating the.

In this automatic opening / closing door control device, the door is operated only when the door is installed to set the door stroke value, and when the power is turned on, the door does not operate because the door stroke value is set. The door will not operate in vain.

[0006]

In such an automatic door control device, the door measures the door stroke value unless the length measurement mode set switch is turned on and the length measurement mode signal is input at the same time when the power is turned on. The door opening / closing operation is not performed, and the door does not open / close even when the power is turned on unless the door stroke value is stored in the door stroke storage ram.

For this reason, it is necessary to turn on the length measurement mode set switch to open and close the door after the door is installed.

On the other hand, since a door operator who installs the automatic opening / closing door in the building is not a person involved in building construction but a specialized door builder,
After installation, the length measurement mode set switch can be turned on to open and close to measure the door stroke value, but the length measurement mode set switch described above is installed inside the automatic opening / closing door etc. Since it is difficult for a person involved in building construction to understand, it is practically impossible for the person involved in building construction to perform the opening / closing operation for measuring the door stroke value.

When the automatic opening / closing door is attached to the building, the building is not always completed, and it may not be possible for a specialized door builder to perform the above operation after the door is installed.

For example, when the power source is not connected to the external power source and the power source is not turned on, the parts other than the automatic opening / closing door are not completed, there are obstacles in the door running path, etc. The vendor cannot perform the above operation.

In such a case, a professional door builder does not stay in the building until the building is completed, without returning to the office for opening and closing the door to measure the length of the door.

For this reason, the automatic opening / closing door cannot be opened / closed only by turning on the power by the person involved in the building construction after the completion of the building, and a specialized door construction company goes to the building site again to perform the above-mentioned operation. It is very inconvenient.

Therefore, it is an object of the present invention to provide a control device for an automatic door which can solve the above-mentioned problems.

[0014]

Means for Solving the Problems A counting pulse P ₁ proportional to the amount of movement of the door 5 is detected, and the counting pulse and a predetermined door stroke are added / subtracted to detect the current position of the door. However, in the automatic opening / closing door control device that controls the opening / closing movement of the door based on it, the stored value is not erased even when the power is turned off, the door stroke storage ram, the power-on signal and the door stroke storage ram. Means for opening and closing the door 5 at a low speed by not storing the information, means for measuring the door stroke during the low speed opening and closing operation of the door 5,
Means for normally opening and closing the door 5 based on the length measurement value, a length measurement data set switch 31 for outputting a signal for storing the length measurement value as a door stroke value in a door stroke storage ram, a power-on signal and the door An automatic opening / closing door control device provided with means for normally opening / closing the door 5 based on the stored door stroke value because the door stroke value is stored in the stroke storage ram.

[0015]

[Operation] Door 5 when power is turned on after the automatic opening / closing door is installed
Will open and close at low speed to measure the door stroke, and the door 5 will normally open and close based on the measured value, so the building will not be completed when a specialized door builder constructs the automatic opening and closing door. When the door 5 cannot be opened / closed, the person involved in building construction can turn on the power after the building is completed to open / close the door 5. In addition, the length measurement value is stored in the door stroke storage ram as a door stroke value by outputting a storage signal from the length measurement data set switch 31 after measuring the length of the door stroke, and thereafter, the length measurement operation is performed by the power-on signal. Since the normal opening / closing operation is performed based on the stored value without performing the length measurement, the length measurement operation is not performed every time the power is turned on.

[0016]

[Example] FIG. 1 is an overall schematic explanatory view showing a motor M.
Is connected to a drive pulley 2 via a speed reducer 1, a door drive belt 4 is wound around the drive pulley 2 and a driven pulley 3, and a door 5 is connected to the door drive belt 4 by a hanger 6 to provide a motor. The door 5 is configured to open and close by reversing M in the normal direction.

A tami generator (alternating current generator) 7 is connected to the motor M, and its output is input to a speed control circuit 8.

The detector 10 facing the door driving belt 4
Is provided, and the detection signal is input to the main control circuit 12 via the direction determination circuit 11.

The main control circuit 12 has a mat switch,
A human body detection signal R ₁ is input from a human body detector A such as a photoelectric tube, and a predetermined control signal is input to the speed control circuit 8 by the signal R ₁ to drive the motor M.

That is, the speed control circuit 8 includes the main control circuit 1
2, the high speed signal V _H , the low speed signal _VL , the normal rotation signal R ₂ and the reverse rotation signal R ₃ are input to control the motor M at high speed / low speed / normal rotation / reverse rotation.

As shown in FIG. 2, the detector 10 has a first projector 40 ₁ and a first projector 40 _{1 at} both widthwise positions of the door drive belt 4.
Light receiver 41 ₁ and second light emitter 40 ₂ and second light receiver 41 ₂
And the first light projector 40 ₁
Distance between the optical axis 42 ₂ of the optical axis 42 ₁ and the second projector 40 ₂ has a L = P × n + P / 4. Here, P is the pitch of the door drive belt 4, and n is an integer (0, 1, ...).

[0022] That is, the door drive belt 4 becomes the timing belt, part of the optical axis 42 ₁ of the first projector 40 ₁ mountains 4
When it is located at a, the second projector 40 ₂ is arranged with its phase shifted by 90 degrees with respect to the waveform of the timing belt so that the optical axis 42 ₂ of the second projector 40 ₂ is located at the valley portion 4b.

As shown in FIG. 3, the first and second projectors 40 are provided.
₁ , 40 ₂ are light emitting diodes, the first and second light receivers 41 ₁ , 41 ₂ are phototransistors, and the output side thereof is the first and second one-shot circuits 43 of the direction discriminating circuit 11.
It is connected to ₁ , 43 ₂ .

That is, in the one-shot circuit 43, when an input is input to the I terminal, a pulse having a constant width is output from the O terminal, and when a signal is input to the INH terminal, regardless of the input of the I terminal, The output is prohibited, and the first photoreceiver 41 ₁ to the first one-shot circuit 43 ₁
Is input to the I terminal of the second one-shot circuit 43 ₂ via the inverter 44, and is also input from the second photoreceiver 41 ₂ to the first and second one-shot circuits 43 ₁ and 43 ₂ . It is input to the INH terminals respectively.

Then, the O of the first one-shot circuit 43 ₁
The terminals are the S terminal of the flip-flop 45 and the NOR gate 4.
6, the O terminal of the second one-shot circuit 43 ₂ is connected to the R terminal of the flip-flop 45 and the NOR gate 46, and the direction determination signals R and L are input to the main control circuit 12 from the Q terminal of the flip-flop 45. , NORGATE 46
A counting clock pulse P ₁ proportional to the speed of the door driving belt 4 is input to the main control circuit 12.

Because of this, when the door drive belt 4 is moving in the direction of the arrow in FIG. 2 (when opening the door 5).
The first and second light receivers 41 ₁ and 41 ₂ are turned on and off as shown in the range of FIG. 4A, the reference signal is output from the first light receiver 41 _1, and the reference signal is output from the second light receiver 41 _2. A direction determination signal whose phase is shifted by 90 degrees from the signal is output.

As a result, the first one-shot circuit 43 ₁
Since a pulse having a constant width is output from the first photodetector 41 ₁ when the first photoreceiver 41 ₁ rises, and a pulse is not output from the second one-shot circuit 43 _{2, a} counting pulse P ₁ is output from the NOR gate 46 to the door drive belt 4. It is output in proportion to the moving speed and the flip-flop 45 is set to Q.
An open signal R is output from the terminal.

Further, when the door drive belt 4 moves in the opposite direction to the above (when the door 5 is closed), the first and second light receivers 41 ₁ and 41 ₂ are shown in the range of FIG. 4B. Like ON
After being turned off and the direction determination signal is output first, the reference signal is output with the phase shifted by 90 degrees.

As a result, the first one-shot circuit 43 ₁
Does not output a pulse, the second one-shot circuit 43 ₂ outputs a pulse having a constant width when the first photodetector 41 ₁ falls,
The flip-flop 45 is reset and the closing signal L is output from the Q terminal, and the counting clock pulse P ₁ is output from the NOR gate 46 in proportion to the moving speed of the door driving belt 4.

As described above, the reference signal and the direction discriminating signal detected by the detector 10 are input to the direction discriminating circuit 11 to discriminate the opening / closing operation of the door 5 and are proportional to the moving speed of the door driving belt 4. The counting clock pulse P ₁ is detected.

The main control circuit 12 is, as shown in FIG.
A counting circuit 23 that adds or subtracts the counting clock pulse P ₁ from the direction determining circuit 11 according to the moving direction determining signals R and L of the door 5, a command circuit 24 that controls the door opening / closing sequence and the counting circuit, and a door opening / closing stroke value storage Nonvolatile ram 25, open movement deceleration distance setting device 26, closing movement deceleration distance setting device 27, first and second comparison circuits 28 ₁ and 28 ₂ , pulse interval check circuit 29, subtraction circuit 30, length measurement data set The switch 31 and the like are provided.

Next, the details of each circuit in the main control circuit 12 will be described together with the operation. When the power is turned on while the length measurement data set switch 31 is OFF, the command circuit 24 determines whether the door stroke value is stored in the nonvolatile ram 25 for storing the door stroke value. The circuit 24 outputs the normal rotation signal R ₂ and the reset signal R ₅ of the counting circuit 23.

As a result, the content of the counting circuit 23 becomes 0, and a signal is sent from the first comparing circuit 28 ₁ to the first AND gate 32 ₁ to take the AND signal R ₂ and the signal to the first OR gate 33 ₁ . Is output and the low speed signal V _L and the normal rotation signal R ₂ are output to the speed control circuit 8.

As a result, the motor M is driven at a low speed in the forward direction to move the door 5 at a low speed, so that the direction discriminating circuit 11 inputs the open signal R and the counting clock pulse P ₁ to the counting circuit 23.

When the door 5 reaches the opening movement stroke end, the pulse interval of the counting clock pulse P ₁ becomes longer, and the pulse interval check circuit 29 detects the end of the stroke, and the detection signal PI
Is input to the command circuit 24 to stop the output of the normal rotation signal R ₂ .

As a result, the normal signal R is sent to the speed control circuit 8.
₂ is not output and the motor M stops, and the door 5 stops.

After that, the reset signal R ₅ is output from the command circuit 24 to the counting circuit 23 and its value becomes 0, and then the reset signal R ₄ is output to the non-volatile RAM 25 and its value becomes 0. The reverse signal R ₃ is output and the second
The signal of the comparison circuit 28 ₂ and the reverse rotation signal R ₃ are sent to the second AND gate 32 ₂ , the low speed signal V _L is input to the speed control circuit 8 from the first OR gate 33 _1, and the motor M is driven at low speed in reverse rotation. The door 5 moves slowly at a low speed.

As a result, the closing signal L and the counting clock pulse P ₁ are input from the direction discriminating circuit 11 to the counting circuit 23, and the counting circuit 23 enters the up-count mode to count the counting clock pulse P ₁ .

When the door 5 reaches the closing movement stroke end, the pulse interval check circuit 29 detects the stroke end, the detection signal PI is input to the command circuit 24, the reverse rotation signal R ₃ is stopped, and the motor M is stopped. The door 5 stops at the closed position, and the number of counting clock pulses P ₁ counted by the counting circuit 23 becomes the closing movement stroke value of the door 5.

After that, the normal opening / closing operation is performed based on the closing movement stroke value of the counting circuit 23. This allows
The door 5 can be opened and closed without turning on the length measurement data set switch 31 after the automatic opening and closing door is installed.

When the length measuring data set switch 31 is turned on and a memory signal is input to the command circuit 24 after the door 5 is opened and closed at a low speed and stopped at the closed position, the command circuit 24 stores the nonvolatile ram 25. The number of counting clock pulses P ₁ counted by the counting circuit 23 after the command signal R ′ ₄ is output (that is, the closing stroke value of the door 5) is stored in the nonvolatile ram 25.

As a result, the door stroke value is automatically set in the non-volatile ram 25, and then the length measurement mode set switch 31 is turned off.

That is, when a professional door construction company turns on the power and measures the door opening / closing stroke value after the construction at the building construction site, the opening / closing operation of the door 5 is visually checked, and when the opening / closing operation is correctly performed, the length measurement is performed. Turn on the data set switch 31
Then, the door stroke value counted by the counting circuit 23 is stored in the nonvolatile ram 25.

That is, when the door 5 is not opened / closed correctly when the power is turned on to measure the door opening / closing stroke value, the wrong door stroke value is stored in the nonvolatile ram 25. After the opening / closing operation of the door 5 is visually confirmed, the length measurement data switch 31 is turned on and stored in the nonvolatile ram 25.

When the door stroke value is stored in the non-volatile ram 25, the normal opening / closing operation is performed thereafter based on the stored door stroke value.

The power is turned on while the length measurement data set switch 31 is OFF, and the command circuit 24 judges whether the door stroke value is stored in the nonvolatile ram 25 for storing the door stroke value and the value is stored. At times, the normal low-speed opening / closing operation for length measurement is not performed, but the normal opening / closing operation is performed based on the door stroke value stored in the nonvolatile ram 25.

That is, after the length measuring operation is performed once and the door stroke value is stored in the non-volatile ram 25 for storing the door stroke value, even if the power is turned on, the above-described length measuring operation is not performed and the human body detection signal is detected. Normal door opening / closing control is performed based on the door stroke value stored in the non-volatile ram 25 by R ₁ . The above operation is shown in a flowchart in FIG.

When the power is turned on after the door is installed and the length measurement mode set switch 31 is turned on, the door is opened and closed in the same manner as described above, but in this case, the measured door stroke value is not stored in the non-volatile ram 25. . In other words, as described above, when the door 5 does not open / close correctly, an incorrect door stroke value is stored in the non-volatile ram 25. Therefore, after the opening / closing operation of the door 5 is visually confirmed, the length measurement data switch is checked. The data is stored in the nonvolatile ram 25 when 31 is turned on.

Next, the operation of normal door opening / closing control will be described. When the power is turned on while the length measurement mode set switch 31 is OFF, the read signal R ₈ of the counting circuit 23 is output from the command circuit 24 and the door stroke value stored in the nonvolatile ram 25 is input to the counting circuit 23. It

When the human body detection signal R ₁ is input to the command circuit 24 with the door 5 closed, the normal rotation signal R ₂ is input to the speed control circuit 8 and the first AND gate 32 ₁ .

[0051] At this time, since the opening set value of the moving speed reduction distance setter 26 is less than the value of the counter circuit 23, a first AND gate 32 ₁ signal from the first comparator circuit 28 ₁ is not output does not output the signal The first OR gate 33 ₁ does not output a signal from the third AND gate 32 through the inverter 34.
With the signal is input to _3, the normal signal R ₂ signal is sent to the third AND gate 32 ₃ is fed to the ₂ second OR gate 33, the third AND gate 32 ₂ from the high speed signal V _H
Is input to the speed control circuit 8.

As a result, the motor M is driven in the normal direction at high speed, and the door 5 is opened and moved at high speed. Along with this, the direction determination circuit 11 inputs the open signal R and the counting clock pulse P ₁ to the counting circuit 23, and the counting clock pulse P ₁ is in the down counting mode.
The stroke value set in 5 is sequentially subtracted by the clock pulse P ₁ , and the result is sequentially input to the first comparison circuit 28 ₁ .

When the subtraction result (actual door current position) input to the first comparison circuit 28 ₁ coincides with the set value of the open movement deceleration distance setter 26, then a coincidence signal R ₆ is sent to the first AND gate 32 ₁ . The low speed signal V _L is input to the speed control circuit 8 from the first OR gate 33 ₁ by inputting the AND signal from the normal rotation signal R ₂ and the motor M is switched to the low speed.

When the door 5 is fully opened to reach the slot talk end, the motor M further slows down and the counting clock pulse P ₁ has a long pulse interval. This is detected by the pulse interval check circuit 29. The detection signal PI is input to the command circuit 24, the output of the normal rotation signal R _{2 to} the speed control circuit 8 is stopped, and the motor M is stopped.

Thereafter, the command circuit 24 outputs a second door closing signal (that is, a reverse rotation signal) R ₃ based on the door opening / closing sequence.
It is sent to the AND gate 32 ₂ and the speed control circuit 8. As a result, the motor M is driven in the high speed reverse rotation state and the door 5 is moved to the closing side. At the same time, the counting clock pulse P ₁ and the closing signal L are input to the counting circuit 23, and the counting circuit 23 enters the up-count mode to count the current position of the door 5 and store it in the nonvolatile ram 25. The calculated door stroke value is sent to the subtraction circuit 30, the setting value of the closing movement deceleration distance setting device 27 is subtracted, and the subtracted value is sent to the second comparison circuit 28 ₂ .

After that, until the count value of the counting circuit 23 and the subtraction value match, the high-speed closing movement is performed, and thereafter, the signal R ₇ is sent from the second comparing circuit 28 ₂ to the second AND gate 32.
₂ is input to the _second OR gate 33 ₁ and the low speed signal V
_{When L} is input to the speed control circuit 8 and the motor M is driven in reverse at a low speed to move the door 5 at a low speed, and when the stroke end is reached, the motor M is stopped and the door 5 is stopped at the position as described above.

When the non-volatile ram 25 does not store the door slot talk value, it is opened / closed by the door stroke value measured by the counting circuit 23.

In the above embodiment, the non-volatile RAM 25 is used.
However, a battery backup ram may be used. That is, as the ram for storing the door stroke, a ram whose stored value does not disappear even if the power is turned off once stored.

Further, instead of the detector 10 and the direction discriminating circuit 11, the counting clock pulse may be detected by the tachogenerator 7. That is, the counting clock pulse P ₁ proportional to the movement amount of the door 5 may be detected.

[0060]

When the power is turned on after the automatic opening / closing door is installed, the door 5 is opened / closed at a low speed to measure the door stroke, and the door 5 is normally opened / closed based on the measured value. When the building is not completed and the door 5 cannot be opened / closed when the door is constructed by a professional door construction company, the door 5 can be opened / closed by turning on the power by a person involved in the building construction after the building is completed.
Moreover, the length measurement value is stored in the door stroke storage ram as the door stroke value by outputting the storage signal from the length measurement data set switch 31 after measuring the door stroke, and thereafter the length measurement operation is performed by the power-on signal. Since the normal opening / closing operation is performed based on the stored value without performing the operation, the door 5 does not needlessly open / close operation because the length measurement operation does not occur each time the power is turned on.

[Brief description of drawings]

FIG. 1 is an overall explanatory view showing an embodiment of the present invention.

FIG. 2 is a perspective view of a detector.

FIG. 3 is an explanatory diagram of a detector and a direction determination circuit.

FIG. 4 is an operation timing chart.

FIG. 5 is an explanatory diagram of a main control circuit.

FIG. 6 is an operation flowchart.

[Explanation of symbols]

M ... motor, P ₁ ... counting clock pulse, 5 ... door, 2
5 ... Nonvolatile RAM, 31 ... Length measurement data set switch.

Claims (1)

[Claims] 1. A counting pulse P proportional to the amount of movement of the door 5.
₁ is detected, and the counting pulse and the predetermined door stroke are added and subtracted to detect the current position of the door. The stored value is not erased even when turned off, a ram for storing the door stroke, a means for opening and closing the door 5 at a low speed by not storing the power-on signal and the door stroke value in the ram for storing the door stroke, and the low speed of the door 5. A means for measuring the door stroke during the opening / closing operation, a means for normally opening / closing the door 5 based on this length measurement value, and a measurement for outputting a signal for storing the length measurement value as a door stroke value in the door stroke storage ram. A long data set switch 31, a power-on signal, and a door stroke value stored in the door stroke storage ram are used to store the door stroke value based on the stored door stroke value. 5 normal automatic door controller, characterized in that a means for opening and closing operation.