KR101155214B1 - Security system and method using wireless image transmitting system - Google Patents

Abstract

The present invention relates to a security system and a security method using a wireless video transmission system, using a wireless video transmission system configured by connecting a binary CDMA module and a control conversion unit to an IP camera to establish a wireless network on the Internet and connected to the Internet. The present invention relates to a security system and a security method capable of real-time video monitoring at a remote manager terminal and a related organization terminal, and having a role of security, emergency emergency call function, voice listening and guidance of installation site, warning broadcasting and real-time field information collection. .

According to the present invention, when an emergency occurs, the system according to the present invention detects this information and transmits the information to the remote manager terminal through the control converter and the binary CDMA communication module, and displays the call in real time when the remote manager terminal receives the information. And a warning sound, and the camera of the wireless video transmission system within a certain network unit simultaneously monitors the corresponding area so that intensive information can be collected. Information or location information can be delivered.

Control conversion unit, binary CDMA communication module, security system, security method

Description

Security method using wireless image transmitting system

The present invention relates to a security system and a security method using a wireless video transmission system, using a wireless video transmission system configured by connecting a binary CDMA module and a control conversion unit to an IP camera to establish a wireless network on the Internet and connected to the Internet. The present invention relates to a security system and a security method capable of real-time simultaneous video monitoring on a CCTV manager's computer and a crime prevention computer, and having a role of security, an emergency emergency call function, a voice on the installation site, audible reception and warning broadcasting.

The conventional general security system is firstly operated by a professional security system service company, and receives signals detected from various sensors through the central sensing receiver, and then receives the received signals from the control unit through the dedicated circuit again. It is a security system that allows security service workers to be dispatched by configuring it to be notified. Second, there is a security device that can notify a situation by connecting to a telephone when necessary as a separate security device composed of a sensor and a control device.

Such a conventional security system should be equipped with a separate additional device, there is an economic burden of having to continuously spend the cost in the case of a security service provider, and in the case of an individual security device to a simple one sensor (Sensor) It is a security device with a detection function by which it can be used to make a forced connection to an existing phone when necessary, which may cause a problem in mutual matching. There was a limit.

In addition, in the existing security system, there was a problem in that it has to be visited directly in order to check if there is a malfunction, and there is a problem in that there is no method to notify the user in case of an emergency situation.

The present invention has been made to solve the above-mentioned problems, and it is possible to configure the wireless network incorporating binary CDMA wireless communication technology so that there is no need for a direct Internet connection by a separate communication line (wired network). Its purpose is to create a wireless video transmission system that can be easily installed on existing telephone poles or other structures, rather than mechanically installed on a separate post.

Another object of the present invention is to embed a speaker and a microphone inside the wireless video transmission system to listen to the voice of the installation site in real time at the remote administrator's computer and the security agency's computer and at the remote administrator's computer and the security agency's computer It is to implement an interactive security system between users and managers in the field by enabling the delivery of warnings and announcements.

It is still another object of the present invention to provide a wireless emergency call receiver in a wireless video transmission system and to install a wireless emergency call receiver in the vicinity of the system in accordance with the operation of the wireless emergency pager and the computer of the remote control and the security agency computer. At the same time, a warning sound is generated and the camera rotates up and down and left and right to be directed toward the installation of the wireless emergency pager.

The security system using the wireless video transmission system proposed by the present invention includes a wireless video transmission system having a security function including an IP camera, a binary CDMA communication module, a control converter, an audio input / output unit, and a wireless emergency call receiver. Binary CDMA connection module, network connection unit, AV stream receiving unit, control unit, decoding unit, video signal processing unit, image display unit, which sets a security system network by selecting a plurality, and receives a video, audio data or emergency call signal from the security system network. A remote manager server including a voice signal processor, an administrator interface, and storage; and a network connection unit receiving a video, audio data, or emergency call signal from each wireless video transmission system after accessing a security system network through the remote manager server; Manager Interface And a remote manager terminal configured to include an image display unit.

The security system preferably includes a related organization terminal that receives information related to the emergency from the remote administrator terminal when an emergency occurs.

In addition, the security method using a wireless video transmission system is the first to transmit the information on the emergency situation to the access point (Master) or the access point in the network when the individual wireless video transmission system in the security system network detects the emergency call signal step; An access point or a master, after receiving the information, assigning an identification number to the transmitted wireless video transmission system; An access point or a master, transmitting an emergency call signal to a remote manager terminal and generating a call indication and a warning sound at the remote manager terminal; A fourth step of transmitting the information collection command to the relevant authority terminal by transmitting the information on the emergency situation to the related organization terminal and transmitting the information collection command to the security system network where the wireless video transmission system assigned the identification number exists. ; The fifth step in which all the wireless video transmission systems in the security system network with the identification number receiving the information collection command are directed toward the area where the wireless video transmission system with the identification number is installed and collect information intensively. It may be made, including.

The security method using the wireless video transmission system may further include a sixth step of allocating resources in the network to a wireless video transmission system assigned an identification number or a wireless video transmission system in a network that performs an information collection command. Can be done.

According to the present invention, if a wireless video transmission system having a security function is implemented by implementing a wireless network applying binary CDMA wireless communication technology, it is possible to transmit high-definition video without a separate video cable construction, and it is expensive to install, maintain and transfer. It is possible to construct a security system that can be used for reliable video and data transmission compared to wireless video transmission using conventional wireless communication by using very low-technologically strong noise that is characteristic of CDMA and ultra-fast transmission and low power consumption. Can be.

In addition, according to the present invention, when an emergency occurs, the system according to the present invention detects it and the information is transmitted to the remote manager terminal through the control conversion unit and the binary CDMA communication module, and when the information is received at the remote manager terminal, it is called in real time. Indication and warning sound occurs, and the camera of wireless video transmission system within a certain network unit simultaneously monitors the relevant area to collect intensive information, and collects information such as the impression of the criminal and the direction of escape. Image information and location information can be delivered.

An embodiment of the security system using a wireless video transmission system according to the present invention, as shown in Figure 3, preferably comprises a remote manager server, a remote manager terminal and a wireless video transmission system.

The wireless video transmission system includes a camera module, a position controller, a decoder, an image compression chip, a CPU, and an IP server in a single main body 100; A binary CDMA communication module 110 for transmitting and receiving multimedia data and control signals with an IP server and a control converter; A control converter 160 interoperating with the CPU, the IP server, and the binary CDMA communication module 110 of the IP camera 120; A voice input / output unit 130 including a speaker 132, a microphone 133, and an audio amplifier 131; An earth leakage breaker 170; and the surge protector 180 is preferably made.

A security system network configured by selecting a plurality of wireless video transmission systems in units of zones transmits and receives information from a binary CDMA terminal (a wireless video transmission system equipped with a binary CDMA communication module) and accesses a wired Internet. Independent ad hawks of multiple binary CDMA terminal periods without access points, which form a network by zoning a number of binary CDMA terminals, and a characteristic network method in binary CDMA. hoc) There is a way to organize the network.

In the present invention, the method may be alternatively formed according to the situation and requirements of the installation area in the network forming method.

Since the binary CDMA communication module 110 externally transmits a TDMA signal by binarizing an existing multi-code CDMA signal, a binary CDMA technology, which is a transmission technology combining CDMA technology and TDMA technology, is an image received from an IP server. By transforming compressed data, it transmits a signal to a master terminal in an access point or ad-hoc network in a zoned wireless network, or a master terminal in an access point or ad-hoc network. It receives the data from the server and transforms it and sends the information to the IP server or control converter.

The binary CDMA communication module 110 has a frequency band of 2.4 GHz band in accordance with Koinonia technical standards, and enables high-speed and high-capacity data transmission at up to 55 Mbps.

Also, the remote manager server may include a binary CDMA access module, a network connection unit, an AV stream receiving unit, a control unit, a decoding unit, an image signal processing unit, an image display unit, an audio signal processing unit, which receives an image, audio data, or emergency call signal from the security system network. It is desirable to include an administrator interface and storage.

The remote manager terminal is preferably configured to include a network connection, an administrator interface and a video display unit for receiving video, audio data or emergency call signal from each wireless video transmission system after accessing the security system network through the remote manager server. Do.

In addition, the security system using a wireless video transmission system may be configured to further include a related authority terminal that receives information related to the emergency from the remote administrator terminal when an emergency occurs.

The related organization terminal may be configured to include a network connection unit, an administrator interface and an image display unit to receive image data, audio data and related information from a remote administrator server.

In the security system according to the present invention, the processing of video data, audio data and control signals and the operation of each component of the security system are as follows.

The IP camera receives the optical signal of the target area from the camera lens in the IP camera and generates a low level video signal.The video compression chip and encoder processes the video signal to generate the digital video compressed signal, and then converts the control converter or binary CDMA. Send to communication module.

In addition, the position control unit in the IP camera executes the up and down and left and right rotation of the camera to obtain a valid image from the monitoring area when receiving the control signal from the control conversion unit.

The binary CDMA communication module modulates the control data of the control conversion unit and the video data of the IP camera into a binary CDMA radio signal, transmits it to the remote manager server through the security system network, and receives and demodulates the binary CDMA radio signal from the remote manager server. Then, the control data is transmitted to the control conversion unit or the IP camera to enable communication between the control conversion unit and the IP camera and the remote manager server, and transmit the compressed image data to the remote manager server according to the control of the control conversion unit.

The control conversion unit 160 has a configuration in conjunction with the CPU, IP server and binary CDMA communication module 110 of the IP camera 120, the transmission and reception of emergency call signal, the transmission and reception of the voice input and output unit and the camera module and binary Mediate information transfer between CDMA communication modules.

This includes a remote camera control function for controlling the direction, distance and angle of the camera in the camera module of the IP camera and a video data control function for adjusting the level, method, speed, etc. of the encoded image data. The entire system is controlled by the administrator's command entered through the administrator interface.

In addition, the control conversion unit 160 is provided with a voice sensor, and when the voice input and output unit 130 detects a specific voice or a predetermined decibel or more voice is determined as a call signal, binary CDMA communication module ( 110, the information is transmitted to the remote manager terminal 14, and when the remote manager terminal 14 receives the information, a call indication and a warning sound are generated in real time, and the call signal is transmitted to the wireless video transmission system. Numbers are assigned, and cameras of a wireless video transmission system in a network unit within a certain range can simultaneously monitor the corresponding area and collect intensive information.

Here, the specific voice may be an example of a voice such as 'saving a person'. Also, since the voice of a normal person is 80 dB to 110 dB, when the voice detection sensor recognizes this, the control conversion unit 160 determines the call signal to provide the information. It transmits to the remote manager terminal 14 through the binary CDMA communication module 110.

In addition, the control conversion unit 160 performs a periodic signal according to a timetable so that the wireless emergency call transmitter and receiver can be operated and the camera module can periodically test the video output of the camera, and whether the camera rotates up and down and left and right. If it detects an abnormal signal due to a failure or the like, and transmits the information to the remote manager terminal (14).

Accordingly, the remote manager terminal 14 can manage the operation of the radio emergency call transmitter and receiver and the failure of the camera module of the plurality of wireless video transmission systems in each network unit.

In addition, the control converting unit communicates with the remote manager server and the related organization terminal to receive and process various control commands or various setting commands, and controls the entire operation to transmit the received image from the IP camera to the remote manager server.

The wireless emergency call transmitter 190 associated with the wireless emergency call receiver 150 includes a call button and a transmission means, and is singular or plural within a range recognized by the wireless emergency call receiver 150 of the wireless video transmission system. Can be installed as In this case, when a specific person presses a call button during an emergency situation, the wireless emergency call receiver 150 detects the information and transmits the information to the remote manager terminal 14 through the control converter 160 and the binary CDMA communication module 110. When the information is transmitted to the remote manager terminal 14, a call indication and a warning sound are generated in real time, and the camera is directed toward the pager by the position control unit of the IP camera 120, and a call signal is transmitted. The identification number is assigned to the wireless video transmission system, and the cameras of the wireless video transmission system in the network unit within a certain range are also able to collect the intensive information by simultaneously watching the corresponding area.

That is, in case of an emergency, the camera of the wireless video transmission system within a certain network unit looks at the corresponding area, and collects information such as the impression of the criminal and the direction of escape, and transmits the image information and the location information to the related organizations. .

In order to achieve the above object, the position controller, the control converter 160, or the remote manager server of the IP camera 120 may transmit data about a place where the wireless emergency call transmitter 190 of the wireless video transmission system is installed, and other wireless images in the network. Built-in data on the position control of the wireless video transmission system IP camera 120 so as to obtain data about the place where the transmission system is installed and the effective image, and the camera operation and image transmission by the data and information collection command Through this, it is possible to collect intensive information immediately in case of emergency.

The voice input / output unit 130 includes an audio amplifier 131, a speaker 132, and a microphone 132. The remote manager checks the surrounding video, audio data, or emergency call signal as a countermeasure. When the voice data is input through the remote manager terminal 14, a guide and warning broadcast are transmitted through the speaker.

According to the security system network using the wireless video transmission system as described above and the characteristic configuration of the present invention, the security method according to an embodiment of the present invention takes a different method of security than the existing invention, Let's explain.

In the security system network formation method according to the present security method, a network is formed by zoning a plurality of binary CDMA terminals with an access point connected to the wired Internet, and an access point which is a characteristic network method in binary CDMA. The network is formed by selecting any one of the methods of constructing an independent ad-hoc network of a plurality of binary CDMA terminal periods without any access points, and thus, each wireless video transmission system and wireless video transmission. The network to which the system belongs is registered and managed in the database of the remote manager server with unique identification data.

In case of emergency in the monitoring area, if emergency call signal or voice input / output unit 130 detects a specific voice or voice over 80 decibels, it is determined as emergency call signal and then individual wireless video in the security system network. When the transmission system detects the emergency call signal, it transmits the information to an access point (AP) or master in the network (first step).

Subsequently, after receiving the information, an access point or master in the security system network assigns an identification number to the wireless video transmission system that has transmitted the emergency call signal (step 2).

In addition, an access point or a master transmits an emergency call signal to a remote manager terminal, and a call indication and a warning sound are generated on the remote manager terminal (step 3).

Subsequently, the administrator who confirms the emergency situation through the remote manager terminal transmits the information about the emergency situation to the relevant authority terminal and transmits the information collection command to the security system network in which the wireless video transmission system to which the identification number is assigned exists. Step 4).

All wireless video transmission systems in the security system network with the identification number receiving the information collection command collect the information intensively by directing the camera toward the area where the wireless video transmission system with the identification number is installed. step).

In addition, high-quality image data is required or priority information collection is required for smooth on-the-spot response to criminals' emergencies or emergency situations. Therefore, wireless video transmission system assigned an identification number or wireless video in a network that performs information collection commands. The first priority is to allocate resources in the network to the transmission system (sixth step).

According to an embodiment of the present invention, a binary CDMA communication module is based on a Koinonia system. In the data link layer of Koinonia, a HMA (media access through a combination of code and time slots) utilizing the characteristics of binary CDMA, a physical layer, is used. Hybrid Multiple Access) method is used. The data link layer of Koinonia consists of a structure in which superframes are repeated, and one superframe is divided into a beacon section, a contention section, and an allocation section.

Here, the beacon section, the master or AP (Access Point) informs the slave or sub-wireless video transmission systems belonging to the security system network through the beacon to the status of the security system network and resource allocation in the allocation section. Using the network reference information, the slave or lower wireless video transmission systems share the security system network status in synchronization with the master or AP.

In the contention period of the frame, the slave or lower wireless video transmission system and the master or the AP transmit a command packet such as network join request / separation request / allow, resource allocation, connection and authentication request / allow using random access contention (CSMA / CA). send.

In the allocation period of the frame is divided into a plurality of time slots, and is assigned to each wireless video transmission system in units of time slots.

Binary CDMA technology, which is a physical layer used by Koinonia, supports dynamic resource allocation to adjust the number of code allocations or fragmentation to adjust the length of split packets according to the case where the noise in the channel increases. In the sixth step, when the information collection command is issued by applying the partitioning function, it is possible to allocate the resources in the network to the wireless video transmission system in the network.

In the above description of a preferred embodiment of a security system and a security method using a wireless video transmission system according to the present invention, the present invention is not limited to this, but the claims and the detailed description of the invention, within the scope of the accompanying drawings. Various modifications can be made and this also falls within the scope of the present invention.

1 is an internal configuration diagram of a wireless video transmission system with a security function according to an embodiment of the present invention.

Figure 2 is a perspective view showing the appearance of a wireless video transmission system with a security function according to an embodiment of the present invention.

3 is a bottom view illustrating an external appearance of a wireless video transmission system with a security function according to an embodiment of the present invention.

4 is a diagram illustrating a network configuration in a state where a wireless video transmission system having a security function according to an embodiment of the present invention forms a network by a binary CDMA wireless communication method.

5 is a flowchart illustrating a security method in a security system according to an embodiment of the present invention.

6 is a flowchart illustrating a security method in a security system according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: main body

11: AP or Master

12: Internet

13: remote manager server

14: remote manager terminal

15: terminal of related organizations

Claims (4)

delete delete In a security method for setting a security system network by selecting a plurality of wireless video transmission systems with security functions consisting of an IP camera, a binary CDMA communication module, a control converter, a voice input / output unit, and a wireless emergency call receiver in units of zones. , A first step of transmitting information on an emergency situation to an access point or a master in the network when the individual wireless video transmission system in the security system network detects an emergency call signal; An access point or a master, after receiving the information, assigning an identification number to the transmitted wireless video transmission system; An access point or a master, transmitting the emergency call signal to a remote manager terminal and generating a call indication and a warning sound at the remote manager terminal; A fourth step of transmitting the information collection command to the relevant authority terminal by transmitting the information on the emergency situation to the related organization terminal and transmitting the information collection command to the security system network where the wireless video transmission system assigned the identification number exists. ; The fifth step in which all the wireless video transmission systems in the security system network with the identification number receiving the information collection command are directed toward the area where the wireless video transmission system with the identification number is installed and collect information intensively. Security method using a wireless video transmission system comprising a. The method of claim 3, And a sixth step of allocating the resources in the network to the wireless video transmission system assigned the identification number or the wireless video transmission system in the network which performs the information collection command. Security method.

Images