KR100661800B1 - System for controlling auto-door by wireless sensor module - Google Patents

Abstract

A system of controlling an automated door by using a wireless sensor module is provided to increase installing workability of an auto-door system by configuring a motion sensor module in a wireless manner. A wireless motion sensor module(110) has a detection part(116) detecting the motion of an object, and a wireless transmission part(112) wirelessly transmitting a detected result when the detection part detects the motion of the object. A safety sensor module(120) has a light transmission part(122) radiating infrared rays and a light reception part(124) receiving the infrared rays to detect existence of an object. A control box comprises a main controller(102) controlling opening/closing of an automated door and a wireless reception part(104).

Description

System for controlling auto-door by wireless sensor module

1 is a block diagram showing the configuration of a wireless automatic door control system according to an embodiment of the present invention.

2A and 2B are a front view (a) and a side sectional view (b) of an automatic door system in which the control system of FIG. 1 is installed.

Figure 3a and Figure 3b is a block diagram (a) showing the configuration of the streamlined sensor module and control box of the conventional automatic door control system, and a block diagram (b) showing the configuration of the safety sensor module.

4A and 4B are a front view (a) and a side sectional view (b) of a conventional automatic door system.

Explanation of symbols on the main parts of the drawings

10: automatic door control system 100: control box

102: main controller 104: wireless receiver

106: motor driving unit 108: SMPS

110: wireless motion sensor module 112: wireless transmitter

114: AMP 116: detection unit

117: switching unit 118: rechargeable battery

119: solar cell 120: safety sensor module

122: light transmitting part 124: light receiving part

130: drive motor

The present invention relates to a wireless automatic door control system of the wireless type, in particular, by connecting the control box and the sensor module wirelessly to improve the work efficiency by improving the efficiency of the installation work that takes a lot of time for wiring the sensor module, safety It relates to a wireless automatic door control system that can reduce the manufacturing cost of the automatic door by integrating the controller of the sensor with the main controller.

Recently, the demand for automatic doors is increasing mainly in general shopping malls, but most of the core parts of automatic doors are imported and assembled in Korea. As a result, production is experiencing difficulties.

In addition, the domestic automatic door penetration rate is lower than that of foreign countries, but since the potential demand market is large, measures to solve the problems such as improvement of product quality, reliability, and construction problems are required.

In general, the automatic door system, as shown in Figure 4a and 4b, a wired motion sensor module 310 for detecting a sensing object, such as a person or a moving object, and a person to detect the detection area of the wired motion sensor module 310. It is composed of a safety sensor (322,324) and a control box 300 for controlling the automatic door 400 is installed in order to prevent the safety accident caused by closing the automatic door 400 before fully passing through the automatic door 400. .

As shown in FIG. 3A, the wired motion sensor module 310 includes a light transmitting unit 316b for irradiating infrared rays, a light receiving unit 316a for receiving infrared rays reflected by a sensing object, and a light receiving unit 316a. AMP 314 for amplifying the sensed signal, a relay 312 for transmitting the amplified signal to the control box 300, and a regulator 318 for supplying power to each component.

The control box 300, as shown in Figure 3a, the porter coupler 304 for removing the noise of the signal received from the wired motion sensor module 310, and controls the automatic door 400 by the received detection signal The main controller 302, the motor driving unit 306 driving the driving motor 330 under the control of the main controller 302, and the SMPS 308 (Switching Mode Power Supply) supplying power to each unit. It is composed.

As shown in FIG. 3B, the safety sensor module 320 may include an automatic door according to a detection signal of the light transmitting unit 322 for irradiating infrared light, the light receiving unit 324 for receiving the irradiated infrared light, and the light receiving unit 325. The controller 326 is configured to control the opening and closing of the 400.

In the automatic door system having a control system having such a configuration, when the wired motion sensor module 310 generally irradiates infrared rays from the light transmitting unit 316a and recognizes the reflected light at the light receiving unit 316b when there is a detection target, The detection signal is amplified by the AMP 314 and sent to the control box 300 through the relay 312.

The control box 300 receives the noise, removes the noise from the photocoupler 304, and then outputs the noise to the main controller 302. The main controller 302 controls the motor driver 306 to drive the driving motor 330. By doing so, the automatic door 400 is opened.

At this time, the controller 326 of the safety sensor module 320, as shown in Figure 4b, the person is out of the detection area of the wired motion sensor module 310, but does not pass through the automatic door 400 automatic door ( 400) so that it does not close.

However, in the conventional automatic door control system, the motion sensor is manufactured in a module form and installed in the automatic door system. In particular, the motion sensor module drills the automatic door control box to connect with the automatic door control box. Due to the work of wiring takes a lot of time, there is a problem that the work efficiency during the installation of the motion sensor module is very low.

In addition, the motion sensor module 310 and the safety sensor module 320 is provided with a respective controller, each of which must be installed in the automatic door, due to the problem of having to install a separate mounting space from the main controller for automatic doors There was a problem in that the properties were lowered and the manufacturing cost increased with this.

On the other hand, a control system recently developed using wireless communication is a system in which a user opens and closes a door after authenticating from an automatic door terminal in which unique information is input, or a touch type start switch in which the user directly contacts the door switch. Therefore, it does not solve the problem of the automatic door system controlled by the wired motion sensor module as described above.

The present invention has been proposed to solve the above problems, by constructing a wired motion sensor module as a wireless sensor module, by embedding the controller of the wireless motion sensor module and the safety sensor in the main controller of the automatic door. In addition, it is an object of the present invention to provide a wireless automatic door control system that can not only improve convenience when installed in the automatic door system but also reduce manufacturing costs.

In order to achieve the above object, the present invention provides an automatic door control system comprising: a detector for detecting a movement of an object, and a wireless transmitter for wirelessly transmitting a result of detecting the movement of the object. A wireless motion sensor module; And a control box including a wireless receiver for receiving the detection result from the wireless transmitter, and a main controller for controlling the opening and closing of the automatic door according to the detection result.

Preferably the wireless motion sensor module and a solar cell for generating power using solar power; If the power is not generated above a predetermined level from the solar cell may further include a rechargeable battery for providing a power.

The wireless motion sensor module may further include a switching unit for connecting power only to the sensing unit and connecting the power to the wireless transmitting unit when the sensing unit detects an obstacle.

Preferably, the sensing unit includes a transmitting unit and a receiving unit formed of any one of an infrared type, an ultrasonic type, and a pyroelectric type, and the receiving unit is composed of two elements, and is detected only when the two elements detect the movement of an object. You can output the result.

The present invention provides a light transmitting unit for emitting infrared rays; It includes a safety sensor module for detecting the presence of the object by having a light receiving unit for receiving infrared rays, the main controller may control the automatic door is not closed according to the detection result of the safety sensor module.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing the configuration of a wireless automatic door control system according to an embodiment of the present invention.

The wireless automatic door control system 10 is installed in the control box 100 for controlling the driving of the automatic door 200 according to the detection signal of each sensor module (110,120) and the upper center of the automatic door 200 to move the object The wireless motion sensor module 110 for detecting the door is installed on the side of the automatic door 200, the door is closed when the object is inserted between the automatic door 200 to detect whether the thing has passed completely through the automatic door 200. It consists of a safety sensor module 120 to prevent in advance a safety accident that may occur.

The control box 100 includes a wireless receiver 104 for receiving a detection result from the wireless motion sensor module 110, a main controller 102 for controlling the opening and closing of the automatic door 200 according to the received detection result, and an automatic door. In order to open and close the 200, the motor driving unit 106 driving the driving motor under the control of the main controller 102, and the SMPS 108 for supplying power to each component.

Wireless motion sensor module 110 uses an RF wireless method to improve the construction efficiency of the human body sensor module required to open and close the automatic door 200, the sensing unit 116 for detecting the movement of the object, the sensing unit When 116 detects the movement of the object, a wireless transmitter 112 for wirelessly transmitting the result, an AMP 114 for amplifying the detected signal, and a solar cell 119 generating power using solar power. And a rechargeable battery 118 that provides a power source when power above a predetermined level is not generated from the solar cell 119.

The wireless transmitter 112 may transmit a detection signal without a separate antenna by using a transmission power of 10 GHz in the hundreds of MHz band, preferably 310 MHz band.

The detector 116 detects a wavelength of light emitted from an object by applying various types of human body sensing devices such as an infrared method, an ultrasonic method, and a pyroelectric detector method.

The detector 116 includes a transmitter and a receiver. In order to improve the detection performance of the detector 116, the receiver includes two elements, preferably two pyroelectric elements, and both of the elements The detection result is output only when the movement of the object is detected.

The solar cell 119 is for supplying power by itself because it is not supplied from the outside due to the wirelessization of the module. When the solar cell 119 does not produce enough power, the solar cell 119 may be supplemented by using the rechargeable battery 118 together.

The rechargeable battery 118 may be charged through an external inverter when the installation position of the wireless motion sensor module 110 is underground having a very low illuminance.

In addition, the wireless motion sensor module 110 connects power only to the sensing unit 116 in order to reduce power consumption, and supplies power to the wireless transmitter 112 when the sensing unit 116 detects an obstacle. It may further include a switching unit 117 for connecting.

Safety sensor module 120 is installed on the side of the automatic door 200 is composed of a light transmitting unit 122 for emitting infrared light, and a light receiving unit 124 for receiving the infrared light emitted from the light transmitting unit 122, When the presence of an object is detected between the light receiving unit 122 and the light receiving unit 124, the result is sent to the main controller 102 so that the automatic door 200 does not close.

Hereinafter, the operation of the automatic door control system according to the embodiment of the present invention will be described with reference to FIGS. 4A and 4B.

2A and 2B are front view (a) and side sectional view (b) of the automatic door system provided with the control system of FIG.

First, the wireless motion sensor module 110, as shown in Figure 2a, is installed in the upper center of the automatic door 200 of the automatic door system 20, the light transmitting unit 122 of the safety sensor module 120 is It is installed in the central portion of one side of the automatic door 200, the light receiving unit 124 is installed in the central portion of the other side of the automatic door 200 in a line with the light transmitting unit 122.

As shown in FIG. 2B, the control box 100 is inserted into the rear space of the surface on which the wireless motion sensor module 110 is installed.

When the control system 10 is installed in the automatic door system 20 as described above, since the wireless motion sensor module 110 is used, a lot of time-consuming wiring work can be omitted, thereby improving the workability of the installation. have.

When the installation of the control system 10 is completed, the sensing unit 116 of the wireless motion sensor module 110 detects whether there is a movement of an object in front of the automatic door 200. In this case, the wireless motion sensor module 110 supplies only the sensing unit 116 with power applied from the solar cell 119 or the rechargeable battery 118 as a power supply unit, and supplies power to other components in order to reduce power consumption. Block it.

When the sensing unit 116 of the wireless motion sensor module 110 detects the movement of the object from the front of the automatic door 200, the AMP 114 amplifies the detected signal and the wireless transmitter 112 is amplified. The signal is wirelessly transmitted to the control box 100. Here, the sensing unit 116 outputs the movement of the object as a detection result only when both elements of the receiving unit detect the movement.

In this case, the switching unit 117 applies the power supplied from the solar cell 119 to the wireless transmitter 112 and the AMP 114.

When the wireless receiving unit 104 of the control box 100 receives a detection result from the wireless motion sensor module 110, the main controller 102 controls the motor driving unit 106 to input the driving motor 130. By driving the automatic door 200 is opened.

Here, the automatic door 200 is driven at a constant speed, for example, 300 mm / s to open up to the maximum opening width point, preferably at a predetermined point of the maximum opening width, for example, all 200 mm Its opening speed is slowed down.

The automatic door 200 is closed at a speed at the time of opening under the control of the main controller 102 after a preset waiting time, for example, 0 to 10 s so that the moving object can pass through in a completely open state.

In this case as well, when the automatic door 200 is opened, the speed is reduced slowly at a certain point before closing completely, for example, 200 mm.

At this time, the object does not pass completely through the automatic door 200 even after a preset waiting time has elapsed. In this case, as will be described later, the safety sensor module 120 installed on the side of the automatic door 200 When this is detected and output to the main controller 102, the main controller 102 controls the automatic door 200 not to close.

With the operation of the wireless motion sensor module 110 as described above, the safety sensor module 120 installed on the side of the automatic door 200 is the object between the automatic door 200 by the light transmitting unit 122 and the light receiving unit 124. Detect if it exists.

That is, the light transmitting unit 122 emits infrared rays and the light receiving unit 124 receives them. If an object exists in the meantime, the light receiving unit 124 does not receive the infrared rays and recognizes that the object exists. It sends out to the controller 102.

The main controller 102 controls the automatic door 200 to be opened through the motor driving unit 106 and the driving motor 130 according to the detection result of the safety sensor module 120 or inverted while the door is closed.

As such, the safety sensor module 120 supplements the opening and closing function of the automatic door 200 according to the wireless type motion sensor module 110 so that the automatic door 200 does not close when there is an object between the automatic doors 200. Safety accidents can be prevented.

As described above, the wireless automatic door control system according to the present invention is configured by the motion sensor module for detecting the movement of the object in a wireless manner, there is an excellent workability when installed in the automatic door system.

In addition, the present invention is integrated with the controller of the wireless motion sensor module and the controller of the safety sensor module integrated into the main controller, it is not necessary to provide a separate controller for each sensor module to facilitate convenience when installing in the automatic door system The manufacturing cost can be reduced.

In addition, the present invention provides a driving source of the wireless motion sensor by using a combination of the power generated by the solar cell and the rechargeable battery, and when the movement is not detected, selectively supplies power only to the sensing unit by the switching unit and the movement is detected In this case, power can be minimized by supplying power to the radio transceiver.

In addition, the present invention can improve the cognitive performance of the motion sensor by outputting a detection signal of the motion only when the sensing unit of the wireless sensor module recognizes that the two elements are human at the same time using two human sensing elements.

Claims (5)

In the automatic door control system, A wireless motion sensor module having a sensor for detecting a movement of an object and a wireless transmitter for wirelessly transmitting a result of detecting the movement of the object; A safety sensor module having a light transmitting unit emitting infrared rays and a light receiving unit receiving infrared rays to detect the presence of an object; And a main controller for controlling the opening and closing of the automatic door according to the received detection result and controlling the automatic door not to close according to the detection result of the safety sensor module. Wireless automatic door control system comprising a control box. The method of claim 1, The wireless motion sensor module, A solar cell generating power using solar power; The wireless door control system of the wireless method characterized in that it further comprises a rechargeable battery for providing a power when a predetermined level or more power is not generated from the solar cell. The method of claim 1, The wireless motion sensor module further comprises a switching unit for connecting power only to the sensing unit and connecting the power to the wireless transmitter when the sensing unit detects an obstacle. The method of claim 1, The detector includes a transmitter and a receiver configured of any one of an infrared method, an ultrasonic method, and a pyroelectric method, and the receiver includes two elements, and outputs a detection result only when the two elements detect the movement of an object. Wireless automatic door control system, characterized in that. delete

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