KR20190141437A - Parking access system and control method thereof - Google Patents

Abstract

Disclosed are a parking lot entrance system and a control method thereof. According to an embodiment of the present invention, the parking lot entrance system provided at an entrance of a parking lot to control the entry and exit of a vehicle comprises: a loop coil sensor embedded in a passageway of the entrance to detect entry of a vehicle; a circuit breaker opening and closing a breaker bar according to the applied control signal; a repeater relaying wireless communication between devices; and a vehicle number recognizer, when the vehicle entrance is detected at the entrance, capturing a vehicle image with a camera module of a used smartphone, recognizing a vehicle number of the vehicle image by using an operating system (OS)-based license plate recognition module of the used smartphone, controlling the opening and closing of the circuit breaker according to the recognition result, and transmitting access information of the vehicle to a management system by the wireless communication through the repeater. The present invention can reduce initial construction costs with simple facilities without installing a separate cable.

Description

Parking lot access system and control method {PARKING ACCESS SYSTEM AND CONTROL METHOD THEREOF}

The present invention relates to a parking lot access system and a control method thereof, and more particularly, to a parking lot access system and a method of controlling the same, using a used smartphone to recognize a license plate and control access.

In general, parking lot entrances where vehicles enter and exit are charged with a License Plate Recognition (LPR), which automatically recognizes a license plate for access control or parking charges, a breaker that controls the entry and exit of a vehicle, and a parking fee. System is installed.

In the LPR, a camera for photographing a license plate image of a vehicle and a recognition device for recognizing a vehicle number from a photographed image and an LED light source are installed in a housing buried in a floor. Alternatively, the vehicle number recognition function may be performed by sending the image information of the camera to the server and processing the image information in the server receiving the information.

Recently, LPR is equipped with an automatic parking lot without parking personnel at the entrance of the parking lot and collects charges through an unmanned payment machine. It is installed in large parking lots such as buildings.

However, since the conventional LPR is expensive equipment in which a camera and a vehicle number recognition device are essential, it is burdened with initial construction cost to be applied to a small parking lot such as a small mall or a multi-family house (villa).

For example, LPR is an expensive equipment that exceeds several million won per unit, so when installed at the exit and inlet one by one, it exceeds about 10 million won including construction cost. In addition, there is a disadvantage that the initial construction cost is large because a separate cable installation is required, which increases as the size of the parking lot increases.

Therefore, it is difficult to build an access system utilizing LPR in a small parking lot, and thus, the vehicle is not properly controlled, and thus there is a problem of being exposed to unauthorized intrusion and illegal parking of an external vehicle.

Meanwhile, as the number of smartphone users increases rapidly, the amount of used smartphones (hereinafter, also referred to as used phones) is increasing every year. According to the 2017 Korea Internet Agency (KISA) data from 2017, the average frequency of smartphone replacement for Koreans is about 1 year and 7 months. Most used phones are equipped with high-performance cameras due to appearance damage such as LCD damage or device changes according to user's preference. Maintain performance.

However, these used phones have been wasted for the extraction of rare materials, compared to the quantity of redistributed to consumers or exported to other countries, and high-performance parts resources are wasted.

Matters described in this Background section are intended to enhance the understanding of the background of the invention, and may include matters other than the prior art already known to those skilled in the art.

An embodiment of the present invention is to replace the existing LPR by using the camera using the smartphone and operating system based license plate recognition application program (APP) to automatically recognize the vehicle number and transmit the access information of the vehicle based on wireless communication To provide a parking lot access system and a control method thereof.

According to an aspect of the present invention, a parking lot entrance system installed at an entrance of a parking lot to control an entrance of a vehicle includes: a loop coil sensor embedded in a passage of the entrance to detect entry of a vehicle; A breaker for opening and closing the breaker bar according to an applied control signal; A repeater for relaying wireless communication between devices; And photographing the vehicle image with the camera module of the used smartphone when the vehicle entrance is detected at the doorway, and recognizing the vehicle number of the vehicle image by using the operating system (OS) based license plate recognition module of the used smartphone, and the recognition result And a vehicle number recognizer for controlling opening and closing of the breaker and transmitting access information of the vehicle to a management system through wireless communication through the repeater.

In addition, the vehicle number recognizer, a second-hand smartphone that is operated as a slave to the management system; A case having the used smartphone mounted on a fixing bracket and having a lower surface supported by a rotating shaft; A housing fixed to a floor to support the case through the rotation shaft; An interface unit for charging the used smartphone through a USB cable and acting as a hub for connecting wired communication between the used smartphone and a peripheral device; A call button for generating an administrator call signal of the visitor; An illumination unit emitting light according to an applied control signal; And a display unit for visually expressing various types of information generated according to the parking lot access control.

In addition, the case is composed of a PC or ABS as a base material, in order to prevent the radio signal is blocked, some surfaces may be made of a transparent material of tempered glass or acrylic material.

In addition, the case, a shielding film spaced a predetermined distance from the upper surface in order to shield the direct sunlight and the reflected light during the shooting may be attached to the tinted film on the surface.

The interface unit may transmit a vehicle entrance signal of the loop coil sensor, a call signal of the call button, and an operation state of the breaker to the used smartphone through the USB cable.

The interface unit may include a signal converter that converts the digital signal received from the used smartphone into an analog signal suitable for controlling heterogeneous peripherals.

The vehicle number recognizer may further include an angle adjuster that rotates the case by driving a motor connected to the rotating shaft when the call button is input to change the photographing direction of the camera module to a direction in which the visitor is located.

The angle adjuster may be configured to position the photographing direction of the camera module in a first photographing direction set for recognizing a vehicle number, and drive a motor to enter the wireless intercom mode as the call button input to drive the camera module into the call button. Can be rotated in the second photographing direction.

In addition, the used smartphone, the communication module for connecting the wired or wireless communication with the outside;

A camera module for photographing the license plate of the vehicle in high resolution; A license plate recognition module for recognizing a vehicle number by analyzing a vehicle image photographed by the camera module, extracting a license plate, and interpreting the extracted license plate by a character recognition algorithm; Agent module for setting the system environment so as to obtain the OS administrator authority through the rooting of the used smartphone to limit unnecessary functions and to operate only the essential functions necessary to implement the parking lot access control system; A battery module for charging a battery with power supplied through a cable and checking a state of charge of the battery; And a control module for storing the registered vehicle information, which is permitted to access, in the memory, and inquiring the recognized vehicle number to the registered vehicle information and applying a control signal to open the breaker if there is any.

In addition, the camera module may be programmed to model and store the shape of a license plate of the vehicle and focus the focus on the license plate of the vehicle that has been entered during shooting.

The license plate recognition module may be an application program (APP) generated based on Android or iOS (iPhone OS) according to the type of used smartphone.

In addition, the camera module photographs a license plate of a vehicle that enters a plurality of passages in a wide mode, and the license plate recognition module captures the photographed image as a first region where a first passage is located and a second region where a second passage is located. By dividing and analyzing license plates extracted from the divided areas, vehicle numbers for each passage can be recognized at the same time.

In addition, the agent module may reduce power consumption by always turning off the display of the used smartphone or controlling the power saving mode of the lowest brightness.

The agent module may provide a control state of the used smartphone to the management system through a mirroring screen, and control a system environment according to a remote command of the management system.

The control module may operate in a wireless interphone mode when the call button is input to connect a call of the visitor with the management system and change the photographing direction of the angle adjuster.

The control module may transmit an image of a visitor photographed in real time to a management system, and output the voice received from the management system through a speaker call mode of the used smartphone.

On the other hand, according to an aspect of the present invention, the parking lot access control method of the vehicle number recognizer installed in the entrance of the parking lot, a) detecting the vehicle entry through the loop coil sensor; b) photographing a license plate of a vehicle entered through a camera module of a used smartphone and recognizing a vehicle number of the vehicle image by using an operating system (OS) based license plate recognition module of the used smartphone; c) controlling the opening and closing of the breaker according to whether the recognized vehicle number exists in registered vehicle information; And d) transmitting access information of the vehicle to the management system by wireless communication through the repeater.

In addition, step c) may include guiding the unregistered vehicle access restriction information through the display unit if the recognized vehicle number does not exist in the registered vehicle information.

In addition, the step c), c-1) when the visitor presses the call button to enter the call signal to enter the wireless intercom mode to connect the call to the management system; c-2) rotating the camera module through an angle adjuster to change a shooting direction to a direction in which the call button is located; And c-3) returning the changed photographing direction of the camera module when the call ends.

In addition, the step c-1) may include transmitting an image of a visitor photographed in real time to the management system, and outputting the voice received by the management system through the speaker call mode of the used smartphone. have.

In addition, after step d), if it is determined that the vehicle number recognized at the exit side is an unregistered vehicle, determining whether the parking fee is settled; If the parking fee is not settled, calculating the parking fee according to the access information of the corresponding vehicle number and displaying it on the display unit; And opening the breaker by applying a control signal when the parking fee is settled through a payment means of a card or cash.

According to an embodiment of the present invention, by using the camera, operating system and wireless communication of the used phone to implement the parking lot access system can replace the existing expensive LPR, it is possible to initially install the simple installation without a separate cable installation work Reduce costs

In addition, the management program of the vehicle number recognizer operates on the basis of an app (APP) of a smartphone familiar to the general public, so that it is convenient to use and remotely updates through mirroring on the administrator device, thereby making it easy to manage the system.

In addition, even if the end-of-life, such as camera, recognition program and communication runs out, it is easy to maintain and easily replace only by setting a related program to a cheap used phone.

In addition, by actively recycling cameras and communication modules and components of used cell phones that are disposed of, the waste of resources can be prevented and the parking lot entrance system can be provided at a low cost, thereby improving customer satisfaction.

1 schematically illustrates a parking lot access system according to an exemplary embodiment of the present invention.
2 is a block diagram schematically showing a vehicle number recognizer using a used phone according to an embodiment of the present invention.
3 is a block diagram schematically showing the configuration of a used phone according to an embodiment of the present invention.
4 is a view illustrating a control state of a camera photographing direction in a wireless intercom mode according to an exemplary embodiment of the present invention.
5 is a flowchart illustrating a parking lot access control method of an entrance-side vehicle number recognizer according to an exemplary embodiment of the present invention.
6 is a flowchart illustrating a parking lot access control method of an exit vehicle number recognizer according to an exemplary embodiment of the present invention.
7 schematically illustrates a parking lot entrance system according to a further embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms “… unit”, “… unit”, “module”, etc. described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. have.

Throughout the specification, terms such as first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another, for example, without departing from the scope of rights in accordance with the inventive concept, and the first component may be called a second component and similarly The second component may also be referred to as the first component.

Throughout the specification, when a component is referred to as being 'connected' or 'connected' to another component, it may be directly connected to or connected to that other component, but other components may be present in between. It should be understood that it may. On the other hand, when a component is referred to as being 'directly connected' or 'directly connected' to another component, it should be understood that there is no other component in between.

Unless otherwise defined herein, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries are to be construed as inconsistent with the contextual meaning of the related art, and are not to be construed in an ideal or excessively formal sense unless expressly defined herein.

Now, a parking lot access system and a control method thereof according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 schematically illustrates a parking lot access system according to an exemplary embodiment of the present invention.

Referring to FIG. 1, the parking lot access system 1 according to an embodiment of the present invention includes a loop coil sensor 10, a vehicle number recognizer 20, a breaker 30, a repeater 40, and a management server 50. ).

The loop coil sensor 10 detects a vehicle that is buried and entered in an entrance passage of a parking lot.

The loop coil sensor 10 may detect the vehicle entry by changing the inductance value of the coil forming the magnetic field by the vehicle.

The vehicle number recognizer 20 photographs the vehicle image with the camera module 212 of the used smartphone 21 and recognizes the vehicle number of the vehicle image by using an operating system (OS) based license plate recognition module 213 and recognizes the vehicle number. It controls the opening and closing of the breaker 30 according to the result, characterized in that for transmitting the access information of the vehicle to the outside by wireless communication. Here, the used smartphone 21 refers to an unopened air system and does not incur a separate mobile communication fee, but is a terminal in which at least the performance of a camera, an operating system (OS) and a short range wireless communication module is normally operated. In addition, wireless communication is possible through a dongle or a dongle if necessary.

The breaker 30 serves to open and close the blocking bar 31 by operating a driving motor (not shown) according to a control signal applied from the vehicle number recognizer 20. The breaker 30 may open and close the blocking bar 31 by 90 degrees, and in addition, the opening and closing method of various known blocking bars 31 may be applied.

The repeater 40 is installed in the parking lot and relays wireless communication between the smartphone 21 and other devices.

For example, the repeater 40 may be configured as a dongle for connecting a wireless LAN / WiFi router or a mobile communication network (eg, LTE), and various wireless communication supported by a known smart phone. It can be configured as a repeater.

The management server 50 registers a vehicle as a computer equipment for managing a parking lot access system, and charges according to the vehicle number, access time, and access time of an unregistered vehicle based on the vehicle access information received from the vehicle number recognizer 20. Serves to impose.

The management server 50 receives at least one vehicle access information of a vehicle recognition signal, a vehicle number, a breaker operation state, and an entry / exit time by wireless communication through the repeater 40 and manages access information of the vehicle in the parking lot. The management server 50 installs a management program for interworking with the vehicle number recognizer 20 and has authority to share vehicle upper level access and higher control.

The management server 50 may be linked with the manager's mobile terminal (eg, notebook, netbook, smartphone, tablet PC, etc. 51) or the unattended payment machine 52 or the mobile terminal may replace the management server 50. These can be collectively named management systems.

That is, in the following description, it is assumed that the management server 50 is used for convenience. However, in a small parking lot, a separate management server 50 is omitted, and a function of the manager is a portable terminal (eg, a laptop, a netbook, a smartphone, a tablet). PC, etc. 51) or an unattended payment machine 52 may be replaced.

Meanwhile, the configuration of the vehicle number recognizer 20 according to an embodiment of the present invention will be described in detail with reference to FIGS. 2 and 3.

2 is a block diagram schematically showing a vehicle number recognizer using a used phone according to an embodiment of the present invention.

3 is a block diagram schematically showing the configuration of a used phone according to an embodiment of the present invention.

Referring to FIG. 2, the vehicle number recognizer 20 according to an embodiment of the present invention may be a used phone 21, a case 22, a housing 23, an interface unit 24, an angle adjuster 25, It includes an illumination unit 26, a call button 27, and a display unit 28.

First, the detailed configuration of the used phone 21 will be described with reference to FIG. 3.

The used phone 21 is a cheap used smartphone, which includes a communication module 211, a camera module 212, a license plate recognition module 213, an agent module 214, a battery module 215, and a control module 216. .

Used phone 21 is a terminal in which high-performance optical technology and various information communication technologies are known, but various functions are known, but embodiments of the present invention do not utilize them as they are, and limit unnecessary functions and control access to parking lots only. It is actively processed by the function suitable for system implementation. Therefore, in the following description of the used phone 21 will be described mainly the features specialized in the parking lot access control system implementation.

The communication module 211 connects wireless communication and wired communication of the used phone 21.

The communication module 211 connects the wireless communication with the repeater 40 to transmit the vehicle access information to the management server 50, the manager portable terminal 51, the unattended payment machine 52, and the other side (eg, the exit side) vehicle number recognizer ( 20 ') can be transmitted to the vehicle number recognizer 20' installed.

In addition, the communication module 211 is a used phone 21 'installed in the management server 50, the manager portable terminal 51, the unmanned payment machine 52 and the other vehicle number recognizer 20' through the repeater 40. Vehicle access information and a control command can be received.

In addition, the communication module 211 receives the vehicle entry signal detected by the loop coil sensor 10 through the USB cable 223 having a mobile phone charging / communication connector at one end and transmits it to the control module 216.

The camera module 212 is a high-resolution camera mounted on a smartphone to photograph the license plate of the vehicle at an angle at which the used phone 21 is installed.

The camera module 212 may be programmed to model and store a vehicle license plate shape and focus on the license plate of the entered vehicle.

The license plate recognition module 213 is an operating system (OS) based license plate recognition application program (APP) of a used phone, and extracts the license plate by analyzing the vehicle image photographed by the camera module 212, the extracted license plate as a character recognition algorithm Analyze the vehicle number. The license plate recognition app (APP) is generated based on Android (Android) and iOS (iPhone OS) according to the type of used phone 21 may be installed in the used phone.

Agent module 214 is an application that is additionally installed in the used phone 21 to limit the unnecessary functions and set the system environment to operate only the essential functions required for the parking lot access control system implementation.

The agent module 214 acquires OS administrator authority through the rooting of the used phone 21, and customizes the in-system camera shooting function, license plate recognition function, battery management function, data storage function, and wireless. In addition to the communication function and the operation of the control module 216 described later, use of unnecessary applications (functions) can be restricted.

In this case, the reason why the agent module 214 restricts unnecessary functions is to reduce power consumption of the battery, prevent collisions due to activation of unnecessary functions, and secure memory to extend system stabilization and durability life.

For example, since the used phone 21 is different from the original mobile phone function, the use of the display (touch screen) is unnecessary when used for access control of the parking lot, so that the agent module 214 always turns off the display. Battery power consumption can be reduced by controlling the power saving mode to the lowest brightness close to darkness. In addition, the agent module 214 may limit functions such as unnecessary mobile communication signal (LTE) signal, GPS signal and Bluetooth signal search function of the used phone 21, update of various applications installed by default, push alarm, and the like. .

The agent module 214 registers the management server 50 interworking with the used phone 21 as a master, and manages the system environment to operate as a slave.

That is, the agent module 214 provides the control state of the used phone 21 which is the slave to the management server 50 which is the master through a mirroring screen and controls the system environment according to the control command of the management server 50. can do. To describe this differently, the management server 50 checks the control state through the mirroring screen of the used phone 21, and the breaker control, app (APP) using the used phone 21 remotely via wireless communication. ) You can remotely control the operation status of the base program.

The battery module 215 supplies driving power to the used phone 21, charges the battery with the power supplied through the cable, and checks the state of charge thereof.

The control module 216 is a central processing unit (CPU) of the used phone 21, controls the overall operation of the parking lot entrance system, and stores the program and data for the control.

When the control module 216 receives the vehicle entry signal detected by the loop coil sensor 10, the control module 216 photographs the license plate of the vehicle entered through the camera module 212, and executes the license plate recognition module 213 to display the vehicle image. Analyze the vehicle number.

In this case, the control module 216 may control the lighting unit 26 to emit light through the communication module 211 when it is determined to be nighttime through the illumination sensor of the used phone 21.

The control module 216 transmits the recognized vehicle number to the management server 50, the manager portable terminal 51, the unattended payment machine 52, and the vehicle number recognizer 20 ′ of the other side through the communication module 211. It can be transmitted to at least one of the used used phones 21 '.

In this case, the control module 216 may transfer the vehicle number recognized through the communication module 211 to the display unit 28 to display it in the beginning.

The control module 216 may store the registered vehicle information permitted to be accessed from the management server 50 in a memory, and inquire the recognized vehicle number into the registered vehicle information to control the breaker 30 to open if present. .

In addition, the control module 216 may receive the vehicle information from which the parking settlement is completed from the management server 50 or the unmanned payment machine 52, and control the breaker 30 to be opened when the recognized vehicle number matches.

If the recognized vehicle number does not match the registered vehicle information, the control module 216 may determine that the visitor is an unauthorized visitor and transmit the vehicle access information to the related device without the operation of the breaker 30. However, the embodiment of the present invention is not limited thereto, and it is apparent that the breaker 30 may be set to be opened to all the vehicles in which the vehicle number is recognized according to the setting of the entry conditions of the management server 50.

On the other hand, the control module 216 may indicate that the unregistered vehicle to the visitor through the display unit 28 without opening the breaker 30, when the entrance condition is set to limit the entry of the unregistered vehicle (that is, the visited vehicle). .

When the visitor presses the call button 27 and the call signal is input through the communication module 211, the control module 216 operates in the wireless interphone mode to operate the management server 50 and the visitor (driver). You can connect a call.

At this time, the control module 216 transmits the image of the visitor photographed in real time to the management server 50, and outputs the received administrator's voice through the speaker call mode (for example, the Korean call function) of the used phone 21. can do. In addition, the present invention is not limited thereto, and the control module 216 may receive a visitor's voice through an external microphone and a speaker connected to the earphone terminal of the used phone 21, and output a voice of the manager.

In addition, when the breaker opening command is input from the management server 50 through the communication module 211, the control module 216 may open the breaker 30 and transmit the vehicle access information to the management server 50.

The case 22 has a built-in used phone 21 mounted on the fixing bracket 221 and the lower surface is supported by the rotating shaft 222. The fixed bracket 221 can be used to clamp the used phone 21 irrespective of the size of the adjustable elastic material of the length and height, and has a hinge structure that can be adjusted to a certain angle downward.

Case 22 is basically made of a plastic material such as PC or ABS, but the camera module 212 to prevent the radio signal is blocked (shielded) due to the nature that the used phone 21 for performing wireless communication is mounted therein At least a portion of the window and the other in the photographing direction of the can be formed of a transparent material of tempered glass or acrylic material.

In addition, the case 22 prevents deterioration in the photographing quality of the vehicle by shielding direct sunlight and reflected light when the camera module 212 of the used phone 21 is photographed, and protects the used phone 21 from internal heat generated by direct sunlight. In order to protect the light shielding film 224 spaced from a predetermined distance from the top surface may be installed, a tinting film may be attached to the surface of the case 22.

The housing 23 is fixed to the bottom to support the case 22 through the rotating shaft 222 and installed therein, the interface unit 24, the angle adjuster 25, the lighting unit 26, the call button 27 and the display unit ( 28) protect.

The interface unit 24 serves as a hub for connecting peripheral devices interworking with the used phone 21 that recognizes the license plate of the vehicle.

The interface unit 24 converts an external commercial power supply (eg, 220V) to charge the used phone 21 through the USB cable 223, and also uses the used phone 21 and data through the USB cable 223. Send and receive.

The interface unit 24 may transmit the vehicle entry signal of the loop coil sensor, the call signal of the call button 27 and the operation state of the breaker 30 to the used phone 21 through the USB cable.

In addition, the interface unit 24 may transmit various control signals received from the used phone 21 to the corresponding peripheral devices of different types. To this end, the interface unit 24 may include a signal converter capable of converting a digital signal received from the used phone 21 into a signal (eg, an analog signal) suitable for controlling at least one peripheral device.

When the angle adjuster 25 operates in the wireless interphone mode with the input of the call button 27, the angle adjuster 25 rotates the case 22 by driving a motor connected to the rotary shaft 222 to visit the driver (driver) in the photographing direction of the used phone 21. ) To the direction in which it is located. Here, since the start of the wireless intercom mode starts with the input of the call button 27 of the visitor, the direction in which the visitor is located means the direction in which the call button 27 is located.

For example, FIG. 4 illustrates a control state of a camera photographing direction in a wireless interphone mode according to an exemplary embodiment of the present invention.

4A shows a first photographing direction C1 for recognizing a vehicle number in a state where the used phone 10 detects the entry of a vehicle, and FIG. 4B shows a call button of a visitor. (27) The second photographing direction C2 is changed to photograph the visitor while the wireless intercom mode is entered as an input.

The rotating shaft 222 connected to the angle adjuster 25 may be directly connected to or rotated with the motor, or may be rotated with the motor and at least one gear.

When the wireless intercom mode is released after the call with the visitor is terminated, the angle adjuster 25 returns the photographing direction of the used phone 21 to the first photographing direction C1 by driving the motor.

Thus, by adjusting the first photographing direction (C1) for the vehicle number recognition and the second photographing direction (C2) for the call of the visitor through the angle adjuster 25, the vehicle number recognition with one used phone camera without the addition of a camera Mode and wireless interphone mode can be supported.

 The lighting unit 26 emits light according to the control signal applied. The lighting unit 26 may be configured as an equatorial single light emitting diode (LED).

Call button 27 is composed of a push button or a digital button to generate a call signal of the visitor.

The display unit 28 visually expresses the visitor to check the various information generated according to the operation of the parking lot access system according to the embodiment of the present invention.

For example, the display unit 28 may display information such as a recognized vehicle number, a recognition result, a parking fee, an access condition guide and a call guide.

On the other hand, based on the above-described parking lot access system (1) describes a parking lot access method using a used phone according to an embodiment of the present invention, each configuration of the above-described parking lot access system (1) is further subdivided by the corresponding function It will be apparent to those skilled in the art in view of the technical spirit of the present invention that it can be implemented in various configurations. Therefore, in the following description of the parking lot access method according to an embodiment of the present invention with reference to Figures 5 and 6, will be described mainly as a vehicle number recognizer 20 to which the used phone 21 is applied.

5 is a flowchart illustrating a parking lot access control method of an entrance-side vehicle number recognizer according to an exemplary embodiment of the present invention.

Referring to FIG. 5, when the vehicle enters the entrance of the parking lot, the vehicle number recognizer 20 according to an embodiment of the present invention detects the vehicle entry through the loop coil sensor 10 (S101).

The vehicle number recognizer 20 photographs a license plate of a vehicle entered through the camera module 212 of the used phone 21 and displays the vehicle image by executing the OS-based license plate recognition module 213 of the used phone 21. The vehicle number is recognized by analyzing (S102).

The vehicle number recognizer 20 determines whether the vehicle is permitted access by inquiring the recognized vehicle number to registered vehicle information (S103).

In the step S103, if the vehicle number recognizer 20 does not exist in the registered vehicle information (S103; No), it is determined as a non-registered vehicle and guides the unregistered vehicle access restriction information through the display unit 28 (S104).

When the visitor presses the call button 27 and the manager call signal is input (S105), the vehicle number recognizer 20 enters the wireless intercom mode and connects the call to the manager (S106).

In this case, the vehicle number recognizer 20 may connect a call to the management server 50 or the mobile terminal 51 of the designated manager, and the call may be connected to an inter-account call, such as an Internet messenger.

In addition, the vehicle number recognizer 20 rotates the camera module 212 through the angle adjuster 25 to change the photographing direction to the direction in which the visitor (driver) is located (S107). In this case, the photographing direction of the camera module 212 may be changed from the first photographing direction C1 for recognizing the vehicle number to the second photographing direction C2 for photographing the visitor as shown in FIG. 4.

When the call of the visitor and the manager is terminated (S108), the vehicle number recognizer 20 returns the photographing direction of the camera module 212 to the original first photographing direction C1 (S109).

Subsequently, when the vehicle number recognizer 20 receives the admission permission of the unregistered vehicle from the management server 50 or the manager portable terminal 51 (S110; S111).

Then, the vehicle number recognizer 20 generates access information of the vehicle and transmits it to the management server 50 and the exit side vehicle number recognizer 20 'through wireless communication (S112). In this case, the management server 50 may generate and transmit at least one vehicle access information among a vehicle number, a breaker operation state, and a parking time recognized through wireless communication through the repeater 40.

On the other hand, in step S103, if the vehicle number recognizer 20 is present in the registered vehicle information (S103; Yes), by applying a control signal to the circuit breaker 30 (S111), corresponding The vehicle access information is generated and transmitted to the management server 50 and the exit-side vehicle number recognizer 20 'through wireless communication (S112).

In addition, in step S110, the vehicle number recognizer 20 rejects the entry of the unregistered vehicle and ends when the admission permission of the unregistered vehicle is not received (S110; no).

5, the steps S104 to S110 may be maintained or omitted depending on the setting conditions of the entry condition of the vehicle number recognizer 20 at the inlet side of the management server 50.

6 is a flowchart illustrating a parking lot access control method of an exit vehicle number recognizer according to an exemplary embodiment of the present invention.

Referring to FIG. 6, when the vehicle enters the exit of the parking lot, the vehicle number recognizer 20 ′ detects the vehicle entry through the loop coil sensor 10 (S201).

The vehicle number recognizer 20 'photographs the license plate of the vehicle entered through the camera module 212 of the used phone 21, and executes the OS-based license plate recognition module 213 of the used phone 21 to display the vehicle image. Analyze the vehicle number to recognize it (S202).

The vehicle number recognizer 20 'determines whether the vehicle is permitted access by inquiring the recognized vehicle number to registered vehicle information (S203).

At this time, when the vehicle number recognizer 20 'is present in the registered vehicle information (S203; Yes), by applying a control signal to the circuit breaker 30 (S207), the access information of the vehicle To generate and transmit to the management server 50 through wireless communication (S208).

On the other hand, when the vehicle number recognizer 20 'does not exist in the registered vehicle information (S203; No), it is determined as an unregistered vehicle and determines whether the settlement is completed (S204).

For example, when the parking number is not settled (S204; No), the vehicle number recognizer 20 'calculates the parking cost according to the access information of the corresponding vehicle number and displays it on the display unit 28.

The vehicle number recognizer 20 ′ opens the breaker 30 by applying a control signal when the parking cost is settled through a known card or cash payment means (S206).

The vehicle number recognizer 20 generates access information of the vehicle and transmits the access information to the management server 50 through wireless communication.

As such, according to an embodiment of the present invention, by implementing a parking lot entrance system using a camera, an operating system and wireless communication of a used phone, it is possible to replace the existing expensive LPR, simple installation is possible without a separate cable installation work. This can reduce the initial construction cost.

In addition, the management program of the vehicle number recognizer operates on the basis of an app (APP) of a smartphone familiar to the general public, so that it is convenient to use and remotely updates through mirroring on the administrator device, thereby making it easy to manage the system.

In addition, even if the end-of-life, such as camera, recognition program and communication runs out, it is easy to maintain and easily replace only by setting a related program to a cheap used phone.

In addition, by actively recycling cameras and communication modules and components of used cell phones that are disposed of, the waste of resources can be prevented and the parking lot entrance system can be provided at a low cost, thereby improving customer satisfaction.

Additional Embodiments

Although the embodiments of the present invention have been described above, the present invention is not limited only to the above embodiments, and various other changes are possible.

For example, in the above-described embodiment of the present invention illustrated in FIG. 1, the vehicle number recognizer 20 is installed in one exit / entrance passage to recognize a vehicle that is entered or exited. However, embodiments of the present invention are limited thereto. Not necessarily, the vehicle number recognizer 20 may simultaneously recognize vehicle numbers entering a plurality of passages.

7 schematically illustrates a parking lot entrance system according to a further embodiment of the present invention.

Referring to FIG. 7, the vehicle number recognizer 20 according to a further embodiment of the present invention is similar to the description of the above-described embodiment, and is located in the center in which a plurality of passages of the parking lot entrance are installed, respectively. The only difference is that the vehicle number can be recognized by classifying the entering vehicle.

In this case, the camera module 212 of the vehicle number recognizer 20 may photograph the license plates of the vehicles respectively entering a plurality of passageways in the wide mode when necessary.

In addition, the license plate recognition module 213 divides the photographed image into a first region in which the first passage is located and a second region in which the second passage is located, and interprets the license plate extracted from each of the divided regions by a character recognition algorithm. The car number can be recognized at the same time.

As a result, the LPR installed in the conventional large parking lot is installed one by one for each entry / exit passage, and thus there is an advantage that the construction cost of the double construction cost can be solved when there are two exit / entrance passages.

An embodiment of the present invention is not implemented only through the above-described apparatus and / or method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention, a recording medium on which the program is recorded, and the like. In addition, such an implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1: parking lot access system 10: loop coil sensor
20: car number recognizer 21: used phone
211: communication module 212: camera module
213: license plate recognition module 214: agent module
215: battery module 216: control module
22: case 221: fixing bracket
222: axis of rotation 223: USB cable
224: light shielding film 23: housing
24: interface unit 25: angle adjuster
26: lighting unit 27: call button
28: display unit 30: breaker
40: relay 50: management server
51: mobile terminal 52: unattended payment

Claims (21)

In the parking lot entrance system installed at the entrance of the parking lot to control the entrance and exit of the vehicle,
A loop coil sensor embedded in a passage of the entrance to detect entry of a vehicle;
A breaker for opening and closing the breaker bar according to an applied control signal;
A repeater for relaying wireless communication between devices; And
When the vehicle entrance is detected at the doorway, the vehicle image is photographed by the camera module of the used smartphone, and the vehicle number of the vehicle image is recognized by using the operating system (OS) based license plate recognition module of the used smartphone. A vehicle number recognizer for controlling opening and closing of the breaker and transmitting access information of the vehicle to a management system through wireless communication through the repeater;
Parking access system comprising a. The method of claim 1,
The vehicle number recognizer,
Used smartphones that operate as slaves to the management system;
A case having the used smartphone mounted on a fixing bracket and having a lower surface supported by a rotating shaft;
A housing fixed to a floor to support the case through the rotation shaft;
An interface unit for charging the used smartphone through a USB cable and acting as a hub for connecting wired communication between the used smartphone and a peripheral device;
A call button for generating an administrator call signal of the visitor;
An illumination unit emitting light according to an applied control signal; And
Display unit for visually expressing various information generated according to the parking lot access control
Parking access system comprising a. The method of claim 2,
The case,
Parking lot entrance system consisting of PC or ABS as basic material, but part of which is made of transparent material of tempered glass or acrylic material in order to prevent the wireless signal from being blocked. The method of claim 3,
The case,
Parking lot entrance system in which a light shielding film spaced a certain distance from the upper surface is installed to shield direct sunlight and reflected light during shooting, and a tinting film is attached to the surface. The method of claim 2,
The interface unit,
Parking lot entrance system for transmitting the vehicle entrance signal of the loop coil sensor, the call signal of the call button and the operation state of the breaker to the used smartphone via the USB cable. The method of claim 3,
The interface unit,
Parking lot access system comprising a signal converter for converting the digital signal received from the used smartphone to an analog signal for controlling heterogeneous peripherals. The method of claim 2,
The vehicle number recognizer,
And an angle adjuster configured to change the photographing direction of the camera module to a direction in which the visitor is located by driving the motor connected to the rotating shaft when the call button is input. The method of claim 7, wherein
The angle adjuster,
Position the shooting direction of the camera module in the first shooting direction set to recognize the vehicle number, and enter the wireless intercom mode with the call button input to drive a motor to move the camera module in the second shooting direction where the call button is located. Rotating parking lot entry system. The method according to any one of claims 1 to 8,
The used smartphone,
Communication module for connecting the wired and wireless communication with the outside;
A camera module for photographing the license plate of the vehicle in high resolution;
A license plate recognition module for recognizing a vehicle number by analyzing a vehicle image photographed by the camera module, extracting a license plate, and interpreting the extracted license plate by a character recognition algorithm;
An agent module for setting a system environment to obtain an OS administrator authority through rooting of the used smartphone to restrict unnecessary functions and to operate only essential functions necessary for implementing a parking lot access control system;
A battery module for charging a battery with power supplied through a cable and checking a state of charge of the battery; And
A control module for storing the registered vehicle information, which is permitted access, in the memory, and inquiring the recognized vehicle number to the registered vehicle information and applying a control signal to open the breaker if present;
Parking access system comprising a. The method of claim 9,
The camera module,
Parking lot entrance system that is programmed to model and store the shape of the license plate of the vehicle, and focusing on the license plate of the vehicle entered during the shooting. The method of claim 9,
The license plate recognition module,
Parking lot access system, characterized in that the application program (APP) is generated based on the Android (Android) or iOS (iPhone OS) based on the used smartphone. The method of claim 9,
The camera module photographs a license plate of a vehicle each entering a plurality of passageways in a wide mode,
The license plate recognition module divides the photographed image into a first region where a first passage is located and a second region where a second passage is located, and analyzes the license plate extracted from the divided regions, respectively, and simultaneously recognizes a vehicle number for each passage. Access system. The method of claim 9,
The agent module,
Parking lot entrance system, characterized in that to reduce the power consumption by always turning off the display of the used smartphone (OFF) or control the power saving mode of the lowest brightness. The method of claim 13,
The agent module,
A parking lot entrance system for providing a control state of the used smartphone to the management system through a mirroring screen, and controlling a system environment according to a remote command of the management system. The method of claim 9,
The control module,
When the call button is input, operating in a wireless interphone mode (Wireless interphone mode) to connect the call of the management system and the visitor, and the parking lot entrance system for controlling to change the shooting direction of the angle adjuster. The method of claim 15,
The control module,
Parking lot entrance system for transmitting the image of the visitor taken in real time to the management system, and outputs the voice received from the management system through the speaker call mode of the used smartphone. In the parking lot access control method of the vehicle number recognizer installed at the entrance of the parking lot,
a) detecting vehicle entry via a loop coil sensor;
b) photographing a license plate of a vehicle entered through a camera module of a used smartphone and recognizing a vehicle number of the vehicle image by using an operating system (OS) based license plate recognition module of the used smartphone;
c) controlling the opening and closing of the breaker according to whether the recognized vehicle number exists in registered vehicle information; And
d) transmitting access information of the vehicle to the management system by wireless communication through a repeater;
Parking lot access control method comprising a. The method of claim 17,
C),
And if the recognized vehicle number does not exist in the registered vehicle information, guiding unregistered vehicle access restriction information through a display unit. The method of claim 17 or 18,
C),
c-1) when the visitor presses the call button and the call signal is input, enters the wireless intercom mode and connects the call to the management system;
c-2) rotating the camera module through an angle adjuster to change a shooting direction to a direction in which the call button is located; And
c-3) returning the changed photographing direction of the camera module when the call ends;
Parking lot access control method comprising a. The method of claim 19,
Step c-1),
And transmitting the image of the visitor photographed in real time to the management system, and outputting the voice received by the management system through the speaker call mode of the used smartphone. The method of claim 17,
After step d),
Determining whether the parking fee is settled if the vehicle number recognized at the exit side is determined as an unregistered vehicle;
If the parking fee is not settled, calculating the parking fee according to the access information of the corresponding vehicle number and displaying it on the display unit; And
Opening the breaker by applying a control signal when the parking fee settlement is completed through a payment means of a card or cash;
Parking access control method further comprising.

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