JPH04132177U - Automatic opening/closing control device for electric opening/closing bodies for buildings - Google Patents

Abstract

(57) [Summary] [Purpose] To improve operability by restoring automatic opening/closing without any manual operation when an electric opening/closing body that automatically opens/closes is brought to an emergency stop based on detection by an abnormality detection means. [Structure] When the electric opening/closing body makes an emergency stop, the automatic opening/closing is automatically restored based on the fact that the abnormality detection signal is turned OFF and the vehicle detection sensor 5 is newly activated.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to an automatic opening/closing control device for electric opening/closing bodies for buildings such as electric shutters. It is something.

0002

[Prior art and problems to be solved by the invention]

In general, this type of electric opening/closing structure for construction is used in cases where vehicles and people frequently come and go. For example, such as those installed in warehouses, factories, etc., which open and close with the forward and reverse drive of an electric motor. The opening/closing body automatically opens and closes based on detection by a passing object detection means that detects passing objects. However, for safety reasons, these models do not allow the electric motor to overheat. Automatically stops the opening/closing body in emergencies such as when the opening/closing body hits an obstacle or when the opening/closing body gets caught in an obstacle. It is necessary to configure it as much as possible. However, the conventional method is based on the detection of abnormality detection means. Although the device is configured to stop the automatic opening/closing operation of the opening/closing body, if the abnormality detection means is not Automatic opening/closing was restored immediately after switching to the detection state, so the opening/closing body There was a risk that it would suddenly start moving and hit people or vehicles. Then, the opening/closing body came to an emergency stop. In this case, the automatic opening/closing control based on the detection by the passing object detection means is canceled and manual operation is performed. It is proposed to allow only opening and closing, but in this case, abnormal To restore automatic opening/closing control one by one after the detection means goes into non-detection state. This has the disadvantage of reducing operability because it requires troublesome operations.

0003

[Means to solve the problem]

In view of the above-mentioned circumstances, the present invention is an architectural design that can eliminate these drawbacks. It was invented for the purpose of providing an automatic opening/closing control device for electric opening/closing bodies. The opening/closing body, which opens and closes in accordance with the forward and reverse drive of the electric motor, is used to detect passing objects. For construction use, equipped with an automatic opening/closing control unit that automatically opens and closes based on detection by object detection means. In the electric opening/closing body, the automatic opening/closing control section is configured to open the opening/closing body based on detection by the abnormality detection means. The safety control means that stops the automatic opening/closing operation of the closed body and the abnormality detection means are in a non-detection state. of the opening/closing body that has stopped abnormally based on the detection of the passing object detection means being switched. The device is characterized by being provided with automatic opening/closing return control means for restoring automatic opening/closing. Ru. With this configuration, the present invention improves the safety of the electric opening/closing body that is automatically controlled to open/close. And the operability can be significantly improved.

0004

【Example】

Next, one embodiment of the present invention will be described based on the drawings. In the drawing, 1 is the warehouse A shutter curtain for an electric shutter installed at the entrance/exit of a The twin curtain 1 opens and closes as the electric motor 2 is driven in the forward and reverse directions. An obstacle detection sensor 3 for detecting contact with an obstacle is provided on the lower edge of the The electric motor 2 is equipped with a thermal sensor 4 that detects motor overheating. Their configuration is the same as before.

[0005] On the other hand, reference numeral 5 denotes a vehicle detection sensor configured with a one-to-one pair of a light emitter 5a and a light receiver 5b. The vehicle detection sensor 5 is disposed on the indoor side and the outdoor side, respectively. Passing vehicles that block the light emitted from the floodlight tube 5a are detected inside and outside the room. It is becoming more and more like this.

[0006] Further, 6 is an opening/closing control section installed in the control panel, and the opening/closing control section 6 is It is configured using a so-called microcomputer, and this one is used for the obstacle detection. sensor 3, thermal sensor 4, vehicle detection sensor 5, automatic-manual changeover switch 7, Up switch PBU, down switch PBD, stop switch PBS, upper limit While inputting signals from switch LSU, lower limit switch LSD, etc. Outputs an operating signal to the electric motor 2, traffic light 8, etc. based on the input signal. It is becoming more and more like this. In other words, in the opening/closing control section 6, the flowcharts shown in FIGS. Control data is prepared in advance to perform shutter control based on the control procedure shown on the Yard. is memorized.

[0007] The main routine of the shutter control is based on the operation of the manual-automatic changeover switch 7. To execute the subroutine manual opening/closing control or automatic opening/closing control based on the set, and manual opening/closing control is performed by raising switch PBU or lowering switch P. While driving the electric motor 2 in forward and reverse directions based on the operation of the BD, the thermal sensor sensor 4, obstacle detection sensor 5, stop switch PBS, upper limit switch LSU The electric motor 2 is set to be stopped when any of the The control procedure is the same as before.

[0008] On the other hand, in the automatic opening/closing control, T1 time is determined based on the detection by the vehicle detection sensor 5. Afterwards, the electric motor 2 is automatically driven upward, and the thermal sensor is activated during the upward movement. 4. Obstacle detection sensor 5, stop switch PBS (or emergency stop switch) If all remain OFF, the upper limit switch LSU is turned ON. to stop the electric motor 2. After the shutter curtain 1 has fully opened and stopped, At the time of T2, the green light of the traffic light 8 is turned on, and the vehicle detection on the indoor and outdoor sides is performed. The passage of the vehicle is determined based on whether or not the sensor 5 is turned off, and the passage of the vehicle is determined. If it is confirmed, the electric motor 2 is automatically driven downward after T3 time has elapsed, During the lowering operation, the thermal sensor 4, obstacle detection sensor 5, stop switch PB If all S remain OFF, the lower limit switch LSD is turned ON. Based on this, the electric motor 2 is stopped and a series of automatic opening/closing operations are completed. What about the thermal sensor 4, obstacle detection sensor 5, and stop switch PBS during descent? If one of them outputs an abnormal signal, the series of automatic opening/closing controls will be avoided and the The proposed plan is designed to perform abnormality control. That is, the thermal sensor 4, If either the obstacle detection sensor 5 or the stop switch PBS is turned on, first turn on the power. The motor 2 will automatically come to an emergency stop, but after the motor stops, an abnormality signal will be generated. Automatic opening/closing control only when it is turned off and a new vehicle detection signal is input. The control state now jumps to the automatic rise control part in order to automatically return the ing.

[0009] In the embodiment of the present invention configured as described above, an abnormal signal is detected during automatic opening/closing control. If the shutter curtain 1 comes to an emergency stop based on the input, the abnormal signal will turn OFF. Automatic opening/closing control can be immediately resumed based only on the occurrence of automatic opening/closing control. The abnormal signal turns OFF without automatically switching to manual opening/closing control. The automatic opening/closing control is automatically restored based on the input of a new vehicle detection signal. It will be possible to Therefore, the shutter curtain 1 suddenly turns OFF at the same time as the abnormal signal turns OFF. Significantly improves safety by reliably eliminating the risk of sudden movement and contact with people or vehicles. In order to restore the automatic opening/closing control each time in the event of an emergency stop, It also eliminates the need for troublesome operations and significantly improves operability.

0010 Moreover, when automatically returning the automatic opening/closing control, the control state is changed to the automatic raising control part. Since the shutter curtain 1 is designed to jump, there is no danger associated with the lowering of the shutter curtain 1. It is possible to reliably avoid accidents and further improve safety.

[0011] It should be noted that the present invention is of course not limited to the above embodiments, and the present invention is not limited to the above embodiments. For example, in addition to the phototube, infrared rays, ultrasonic waves, and microwaves can be used as means for detecting passing objects. It is also possible to use sensors that utilize It can also be improved. On the other hand, the automatic opening/closing recovery of the opening/closing body that has stopped abnormally is abnormal. Based on the fact that the detection means is in a non-detection state and the detection of the passing object detection means has been switched. Therefore, there is no need to wait until a new vehicle is detected as in the previous embodiment. At the stage when a vehicle can be confirmed to have passed, that is, the indoor and outdoor vehicle detection sensors The automatic opening/closing control may be restored at the stage of switching to OFF.

0012

[effect]

In summary, since the present invention is constructed as described above, it is possible to detect passing objects. The opening/closing body shall be automatically opened/closed based on the detection by the passing object detection means. However, if the automatic opening/closing operation of the opening/closing body is stopped based on the detection of the abnormality detection means, , the abnormality detection means is in a non-detection state and the detection of the passing object detection means has been switched. Based on this, the automatic opening/closing of the opening/closing body that has stopped abnormally will be resumed. Therefore, abnormal Automatic opening/closing control may be restored immediately based on the detection means becoming non-detecting. Safety is achieved by reliably preventing inconveniences such as the opening and closing body suddenly starting to move. It is possible to significantly improve the control state based on the detection of the abnormality detection means. Just like switching the state to manual, the automatic opening/closing control has to be restored, which requires a tedious operation each time. You will not be forced to make any changes, and you will be able to significantly improve operability. Ru.

[Brief explanation of drawings]

FIG. 1 is a front view of the shutter.

FIG. 2 is a schematic block diagram of the control mechanism.

FIG. 3 is a flowchart showing the main routine of opening/closing control.

FIG. 4 is a flowchart showing manual opening/closing control.

FIG. 5 is a flowchart showing automatic opening/closing control.

FIG. 6 is a timing chart showing the effect.

[Explanation of symbols]

1 Shutter curtain 2 Electric motor 3 Obstacle detection sensor 4 Thermal sensor 5 Vehicle detection sensor 6 Opening/closing control section

Claims (1)

[Scope of utility model registration request] 1. An electric opening/closing body for construction, comprising an automatic opening/closing control unit that automatically opens/closes the opening/closing body that opens and closes in accordance with forward and reverse driving of an electric motor based on detection by a passing object detection means that detects passing objects. wherein the automatic opening/closing control section includes a safety control means for stopping the automatic opening/closing operation of the opening/closing body based on detection by the abnormality detection means, and the abnormality detection means is in a non-detecting state,
An automatic opening/closing control device for an electrically-operated architectural opening/closing body, further comprising an automatic opening/closing recovery control means for restoring the automatic opening/closing of the opening/closing body that has stopped abnormally based on switching of detection by the passing object detection means.