KR20180127036A - Closed circuit television and closed circuit television system using this - Google Patents

Abstract

A closed circuit television according to an aspect of the present invention includes a camera for acquiring at least one of an image and data, a PAN driving part for horizontally rotating the camera, a TILT driving part for vertically rotating the camera in parallel with a vertical surface perpendicular to the ground surface, a sensor part for detecting the status information of the camera, a communication part for transmitting at least one of the image and the data to the outside and receiving control information from the outside, and a control part for controlling the operation of at least one among the PAN driving unit, the TILT driving part and the sensor part according to the status information and the control information received from the sensor part. It is possible to check where the closed circuit television acquires images and data.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video surveillance apparatus and a video surveillance system using the same,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to video surveillance equipment (CCTV) and video surveillance system using the same, and more particularly, to video surveillance equipment using absolute location and map information and a video surveillance system using the same.

Recently, video surveillance equipment using video and video surveillance system using such video surveillance has been widely used for industrial, medical, traffic control, etc., away from simple monitoring purposes in the past.

On the other hand, the video surveillance equipment can be controlled by a user to obtain images and data of fixed positions or variable specific positions to obtain images and data of fixed specific positions.

In the case of a video surveillance system for obtaining video and data of a variable specific position, a general video surveillance system can be controlled by an operation through a controller based on preset preset values. This control method is called the controller operation method, which may have three problems.

First, the preset value is determined at the initial installation of the video surveillance equipment. Once the installation is completed, there is a problem in that it can not be confirmed how accurately the installation is directed toward the destination location. Specifically, after installation, it is impossible to confirm at which position the video surveillance equipment acquires images and data.

Secondly, when adjusting the state of the video surveillance equipment through the controller operation method, the controller may include at least one of a stick and a button. In this case, in order to realize the state of the desired video surveillance equipment, at least one of the stick and the button is individually adjusted to implement a horizontal rotation and a vertical rotation with respect to the ground surface.

Third, the controller operation method can not adjust the state of multiple video surveillance equipment at the same time because it is adjusted depending on the user's view.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a video surveillance device capable of confirming the position and the data of a video surveillance device even after installation regardless of a preset value.

Another object of the present invention is to provide a video surveillance apparatus which is automatically controlled to acquire an image of a specific position by transmitting / receiving outside and status information and control information in place of a controller operating system including a stick and a button There is.

It is another object of the present invention to provide a video surveillance system capable of simultaneously adjusting a plurality of video surveillance equipment through a displayed map screen.

According to an aspect of the present invention, there is provided a CCTV (Closed Circuit Television) system including a camera for acquiring at least one of an image and data, A camera driver configured to transmit the at least one of the image and the data to the outside, and a camera driver configured to transmit the at least one of the image and the data to the outside, And a control unit for controlling at least one of the PAN driving unit, the TILT driving unit, and the sensor unit according to the status information and the control information received from the sensor unit .

In one embodiment of the present invention, the sensor unit is one of the state information, and includes a global positioning system (GPS) for sensing the absolute position of the camera on the landmark, and an angle of the camera corresponding to the horizontal rotation A geomagnetism sensor for detecting a pan angle and an acceleration sensor for detecting a tilt angle of the camera corresponding to the vertical rotation as one of the state information.

In an embodiment, the communication unit may include an Ethernet module unit.

In one embodiment of the present invention, when the control information includes information on a specific location on the landmark, the control unit controls the PAN driving unit and the TILT driving unit such that the camera obtains an image corresponding to the specific location, The operation can be controlled.

In an embodiment, the control unit may include a microprocessor for compressing at least one of the image and the data.

According to another aspect of the present invention, there is provided a video surveillance system including a plurality of video surveillance equipment (CCTV), and a plurality of video surveillance equipment, Wherein each of the plurality of video surveillance equipment acquires at least one of video and data, receives control information from the integrated control unit, and is controlled through the control information, And at least one of the surveillance devices acquires at least one of images and data corresponding to a specific position.

In one embodiment of the present invention, the integrated control unit controls the video surveillance equipment included in a specific radius centering on the specific location among the plurality of video surveillance equipment to simultaneously acquire at least one of images and data corresponding to the specific location The control information can be calculated.

In one embodiment of the present invention, each of the plurality of video surveillance equipment includes at least one camera for acquiring at least one of the video and the data, at least one of the video and the data to the integrated control unit, A communication unit for receiving control information, and a driving unit for driving the camera according to the control information.

In an exemplary embodiment, the driving unit may include a PAN driving unit for horizontally rotating the camera in parallel with the ground surface, and a TILT driving unit for rotating the camera in a vertical direction parallel to a vertical plane perpendicular to the ground surface.

In an exemplary embodiment, each of the plurality of video surveillance equipment may further include a sensor unit for sensing status information of the camera.

In one embodiment, the state information includes at least one of an absolute position on the land surface of the camera, a pan angle that is an angle of the camera corresponding to a horizontal rotation parallel to the surface, and a vertical rotation that is parallel to a vertical plane perpendicular to the ground surface. And a tilt angle that is an angle of the camera.

The apparatus may further include a controller for controlling the driving unit through the camera status information and the control information.

In an exemplary embodiment, the integrated control unit may be configured to calculate the control information based on the map information and the absolute position of the plurality of video surveillance equipment, And a communication unit for transmitting the calculated control information to the plurality of video surveillance equipment.

In an embodiment, the specific location may be specified directly by the user on the map information of the integrated control unit.

In an embodiment, the integrated control unit may include a display for visually outputting the image and the data.

In an embodiment, the integrated control unit may visually output map information to the display, and may match the absolute position of each of the plurality of video surveillance equipment with the map information, The equipment can be output.

Effects of the video surveillance equipment and the video surveillance system using the same according to the present invention will be described as follows.

According to at least one of the embodiments of the present invention, regardless of the preset value, even after installation of the video surveillance equipment, it is possible to confirm the position and the data of the video surveillance equipment.

According to at least one of the embodiments of the present invention, it is possible to replace the controller operating system including a stick, a button, and the like, transmit / receive outside and status information and control information, Can provide video surveillance equipment.

In addition, according to at least one embodiment of the present invention, a video surveillance system capable of simultaneously adjusting a plurality of video surveillance equipment through a displayed map screen can be provided.

With the above effects, the user's convenience in using the video surveillance equipment can be increased. This can lead to increased efficiency of the video surveillance system and added value as the efficiency increases.

1 is a block diagram of a video surveillance system according to an embodiment of the present invention.
2 is a view for explaining horizontal rotation of a video surveillance apparatus according to another embodiment of the present invention.
3 is a view for explaining vertical rotation of a video surveillance apparatus according to another embodiment of the present invention.
4 is a view illustrating a video surveillance system according to another embodiment of the present invention.
5 is a view illustrating an integrated control unit included in the video surveillance system according to another embodiment of the present invention.
FIG. 6 is a diagram illustrating an operation radius of the display and video surveillance equipment of the integrated control unit included in the video surveillance system according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or similar elements, and redundant description thereof will be omitted. The suffix " module " and " part " for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be blurred. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. , ≪ / RTI > equivalents, and alternatives.

Terms including ordinals, such as first, second, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

1 is a block diagram of a video surveillance system according to an embodiment of the present invention.

1, the video surveillance equipment 1 may include a camera 110, a PAN driving unit 122, a TILT driving unit 124, a sensor unit 130, a communication unit 150, and a control unit 140 have. At this time, the sensor unit 130 may include a global positioning system (GPS) unit 133, a geomagnetic sensor 136, and an acceleration sensor 139.

First, the camera 110 can be controlled to look at a specific position. The controlled camera 110 can acquire at least one of image and data for a specific position to be viewed.

Meanwhile, the sensor unit 130 may sense the state information of the camera 110. [ At this time, the sensor unit 130 detects at least one of an absolute position on the land surface of the camera 110, a pan angle which is an angle corresponding to the horizontal rotation, and a tilt angle which is an angle corresponding to the vertical rotation .

Specifically, the absolute position on the land surface can be sensed through the GPS 133, the pan angle can be sensed through the geomagnetic sensor 136, and the tilt angle can be sensed through the acceleration sensor 139.

After acquiring at least one of the image and data for a specific position viewed by the camera 110, the communication unit 150 can transmit at least one of the image and the corresponding data to the outside of the video surveillance equipment 1 have. Also, the communication unit 150 can receive control information for operating the control unit 140 from the outside of the video surveillance equipment 1.

The control unit 140 may control at least one of the PAN driving unit 122, the TILT driving unit 124 and the sensor unit 130 according to the control information and the status information received from the sensor unit 130. [

Accordingly, when the position for obtaining at least one of the image and the data is changed to another newly specified specific position by the PAN driving unit 112 and the TILT driving unit 124, the camera 110 looks at another specific position .

In detail, the PAN driving unit 122 can horizontally rotate the camera 110 in parallel with the ground surface, and the TILT driving unit 124 can vertically rotate the camera 110 in parallel with a vertical plane perpendicular to the ground surface .

Meanwhile, the communication unit 150 may include an Ethernet module unit. Ethernet is one of the first local area networks (LANs) developed jointly by DEC, Intel and Xerox in the United States and based on Xerox's prototype. Ethernet can communicate at a distance of up to 2.5 km from a maximum of 1,024 terminals at a data rate of 10 Mbs. The transmission path of Ethernet is a loop of coaxial cable, and all user terminals can interface to the loop. The Ethernet as one kind of LAN has a low failure rate for transmission and reception of status information and control information, and can realize transmission and reception between a plurality of users.

The control unit 140 may include a microprocessor (not shown) for compressing at least one of image and data. Here, the microprocessor is a processing device in which a computing device such as an arithmetic logic unit of a computer, a register, a program counter, an instruction decoder, a control circuit, . And can interpret and execute commands stored in the main memory.

2 is a view for explaining horizontal rotation of a video surveillance apparatus according to another embodiment of the present invention.

Referring to FIG. 2, an orthogonal coordinate system including an x-axis (x) and a y-axis (y) may be set with the video surveillance equipment 201 as an origin. The specific position O may be separated from the video surveillance equipment 201 by a specific distance L and the coordinates at this time may be (x ₁ , y ₁ ).

On the other hand, the video surveillance equipment can acquire at least one of the image and data of the specific position (O), forming the y-axis (y) and the pan angle (θ ₂ ). The pan angle? _{2 at} this time can be detected by the geomagnetic sensor. Here, the pan may correspond to the horizontal rotation including the right and left sides of the video surveillance equipment 201.

On the other hand, the x-coordinate (x ₁ ), the y-coordinate (y ₁ ), the specific distance L and the pan angle (θ ₂ ) may be relations satisfying the following equations.

x ₁ = sin? ₂ * L

y ₁ = cos? ₂ * L

Accordingly, when the specific position O is designated, the PAN driving unit horizontally rotates the video surveillance equipment 201 by adjusting the pan angle [theta] ₂ so that the video surveillance equipment 201 can display the image of the specific position O As shown in FIG. As a result, an image corresponding to the x-coordinate (x ₁ ) and the y-coordinate (y ₁ ) can be obtained.

3 is a view for explaining vertical rotation of a video surveillance apparatus according to another embodiment of the present invention.

Referring to FIG. 3, the video surveillance equipment 301 may be vertically spaced apart from the ground surface by a predetermined height h. The distance from the foot P of the waterline to the surface of the video surveillance equipment 301 to the specific position O may be reduced by a specific distance L. [ The video surveillance equipment 301 can obtain at least one of the image and data of the specific position O that forms a waterline and a tilt angle? ₃ to the ground surface. The tilt angle? _{3 at} this time can be detected by the acceleration sensor. Here, the tilt may correspond to the vertical rotation including the top and bottom of the video surveillance equipment 301.

On the other hand, the specific height h, the specific distance L and the tilt angle? ₃ may be relations satisfying the following equations.

L = h * tan? ₃

Accordingly, when it is assigned a specific position (O), the height (h) because it is a fixed value during the installation of the video monitoring equipment (301), TILT-drive video surveillance equipment (301 to adjust a tilt angle (θ ₃₎ So that the video surveillance equipment 301 can acquire the image of the specific position O. [ As a result, a video corresponding to the specific distance L corresponding to the specific position O can be acquired.

On the other hand, a general video surveillance system can be controlled by an operation through a controller based on preset preset values. This control method can be referred to as a controller operation method.

In a typical video surveillance system through a controller operation method, the preset value is determined at the initial installation of the video surveillance equipment. Once the installation is completed, there is a problem that it can not be confirmed how accurately the installation is directed toward the destination location . Specifically, after installation, it may not be possible to determine from which position the video surveillance equipment acquires images and data.

Further, when adjusting the state of the video surveillance equipment through the controller operation method, the controller may include at least one of a stick and a button. In this case, in order to implement the state of the desired video surveillance equipment, there may be a problem that at least one of the stick and the button is individually adjusted to implement the horizontal rotation and the vertical rotation with respect to the ground surface.

1 to 3, the video surveillance equipment 1, 201, and 301 according to the present invention may include video surveillance equipment 1, 201, and 301 even after the video surveillance equipment 1, 201, and 301 is installed. It is possible to confirm which position the image and data are acquired.

Also, the video surveillance equipment 1, 201, and 301 according to the present invention can be automatically controlled to transmit / receive external information, status information, and control information to acquire images at specific locations.

4 is a view illustrating a video surveillance system according to another embodiment of the present invention.

4, the video surveillance system may include a plurality of video surveillance devices 411, 412, and 413 and a plurality of video surveillance devices 411, 412, and 413, have.

Here, each of the plurality of video surveillance equipment 411, 412, and 413 may acquire at least one of video and data, and receive control information from the integrated control unit 420. Each of the plurality of video surveillance equipment 411, 412, and 413 can be controlled through the received control information.

Specifically, each of the plurality of video surveillance equipment 411, 412, and 413 may include a camera, a communication unit, and a driver.

First, the camera can be controlled to look at a specific position. The controlled camera can acquire at least one of image and data for a specific position to be viewed.

Then, the communication unit can transmit at least one of the corresponding image and the corresponding data to the integrated control unit 420. Further, the communication unit can receive control information for controlling the driving unit from the integrated control unit 420. [

When the position for obtaining at least one of the image and the data is changed to another specified position according to the control information, the driving unit may drive the camera to look at the other specific position. A detailed explanation is as follows.

First, each of the plurality of video surveillance equipment may further include a sensor unit for sensing status information of the camera. The sensor unit can sense an absolute position on the land surface of the camera, a pan angle that is an angle corresponding to the horizontal rotation, and a tilt angle that is an angle corresponding to the vertical rotation.

At this time, the absolute position on the surface can be detected through the GPS, the pan angle can be detected through the geomagnetism sensor, and the tilt angle can be detected through the acceleration sensor.

Then, the driving unit can be controlled through the state information including the absolute position, the pan angle, and the tilt angle and the control information. Here, the driving unit may include a PAN driving unit and a TILT driving unit. The PAN driving unit can horizontally rotate the camera in parallel with the ground surface, and the TILT driving unit can vertically rotate the camera in parallel with a vertical plane perpendicular to the ground surface.

Meanwhile, the integrated control unit 420 can communicate with the plurality of video surveillance equipment 411, 412, and 413. The integrated control unit 420 may communicate with at least one of the plurality of video surveillance equipment 411, 412, and 413 when acquiring at least one of the video and data corresponding to the specific location. At this time, at least one video surveillance equipment 411 and 412 may include video surveillance equipment 411 and 412 included in a specific radius centered on a specific location. That is, the integrated control unit 420 can control the video surveillance equipment 411 and 412 included in a specific radius around a specific position to simultaneously acquire at least one of images and data corresponding to specific positions.

At this time, the integrated control unit 420 may calculate control information for acquiring at least one of video and data corresponding to a specific position and transmit the control information to the plurality of video surveillance equipment 411, 412, and 413. Accordingly, the integrated control unit 420 can control the plurality of video surveillance equipment 411, 412, and 413 at the same time.

5 is a view illustrating an integrated control unit included in the video surveillance system according to another embodiment of the present invention.

5, the integrated control unit 502 may include a database 570, a control information calculation unit 580, and a communication unit 560. [ The database 570 may store the map information 546 and the index-based absolute location 574 of each of the plurality of video surveillance equipment.

When the user wants to acquire at least one of the image and data of the specific position, the control information calculation unit 580 calculates the control information based on the map information 576 and the absolute position 574, It is possible to calculate control information for allowing the video surveillance equipment to simultaneously acquire at least one of video and data corresponding to a specific position.

The calculated control information may be transmitted to the plurality of video surveillance equipment through the communication unit 560. At least one or more video surveillance equipment may simultaneously acquire at least one of the video and data corresponding to the specific location.

At this time, the specific position can be directly designated by the user on the map information of the integration controller 502. For example, a user can specify a specific location on a map via latitude and longitude.

FIG. 6 is a diagram illustrating an operation radius of the display and video surveillance equipment of the integrated control unit included in the video surveillance system according to another embodiment of the present invention.

Referring to FIG. 6, the integrated control unit may include a display 601 for visually outputting images and data. At the same time, the display 601 can visually output the map information. At this time, the integrated control unit matches the absolute position 613 of each of the plurality of video surveillance equipment with the map information, and then outputs the absolute position 613 of each of the video surveillance equipment matched on the display outputting the corresponding map information, Can be superimposed on the map information and output.

When the user designates the specific position 611 on the map information, only the video surveillance equipment 615 included in the specific radius R around the specific position 611 corresponds to the specified position 611 Images, etc., and the user can visually confirm this.

On the other hand, the general video surveillance system can control the video surveillance equipment by operating through the controller based on the preset values already set. This control method can be referred to as a controller operation method.

Since the general video surveillance equipment through the controller operation method is adjusted depending on the user's view, the user can not adjust the state of the plurality of video surveillance equipment at the same time.

4 to 6, the video surveillance system according to the present invention controls the operations of the plurality of video surveillance equipment 411, 412, 413, 613, and 615 at the same time through the control information calculator 580 .

The foregoing detailed description should not be construed in any way as being restrictive and should be considered illustrative. The scope of the present invention should be determined by rational interpretation of the appended claims, and all changes within the scope of equivalents of the present invention are included in the scope of the present invention.

Claims (16)

A camera for acquiring at least one of an image and data;
A PAN driving unit for horizontally rotating the camera in parallel with the ground surface;
A TILT driver for rotating the camera in a vertical direction parallel to a vertical plane perpendicular to the ground surface;
A sensor unit for sensing state information of the camera;
A communication unit for transmitting at least one of the image and the data to the outside, and receiving control information from the outside; And
And a control unit for controlling at least one operation of the PAN driving unit, the TILT driving unit, and the sensor unit according to the status information and the control information received from the sensor unit. circuit television).
The method according to claim 1,
The sensor unit includes:
A GPS (Global Positioning System) for sensing an absolute position of the camera on an indicator, as one of the status information;
A geomagnetism sensor for detecting a pan angle, which is an angle of the camera corresponding to the horizontal rotation, as one of the state information; And
And an acceleration sensor for detecting a tilt angle of the camera corresponding to the vertical rotation as one of the state information.
The method according to claim 1,
Wherein,
And an Ethernet module unit.
The method according to claim 1,
Wherein,
And controls the operation of the PAN driving unit and the TILT driving unit so that the camera acquires an image corresponding to the specific position in accordance with the control information when the control information includes the information of the specific position on the landmark Video surveillance equipment.
The method according to claim 1,
Wherein,
And a microprocessor for compressing at least one of the image and the data.
A plurality of video surveillance equipment (CCTV); And
And an integrated control unit spaced apart from the plurality of video surveillance equipment,
Wherein each of the plurality of video surveillance equipment comprises:
Acquiring at least one of an image and data, receiving control information from the integrated control unit, being controlled through the control information,
The integrated control unit,
Wherein the control unit calculates the control information for controlling at least one of the plurality of video surveillance equipment to acquire at least one of video and data corresponding to a specific position.
The method according to claim 6,
The integrated control unit,
And the control information calculating unit calculates the control information for controlling the video surveillance equipment included in the specific radius among the plurality of video surveillance equipment to acquire at least one of the image and data corresponding to the specific position at the same time, Video surveillance system.
The method according to claim 6,
Wherein each of the plurality of video surveillance equipment comprises:
A camera for acquiring at least one of the image and the data;
A communication unit for transmitting at least one of the image and the data to the integrated control unit and receiving the control information from the integrated control unit; And
And a driving unit for driving the camera according to the control information.
9. The method of claim 8,
The driving unit includes:
A PAN driving unit for horizontally rotating the camera in parallel with the ground surface; And
And a TILT driver for rotating the camera in a vertical direction parallel to a vertical plane perpendicular to the ground surface.
9. The method of claim 8,
Wherein each of the plurality of video surveillance equipment comprises:
And a sensor unit for detecting status information of the camera.
11. The method of claim 10,
The status information may include:
An absolute position on the land surface of the camera;
A pan angle which is an angle of the camera corresponding to a horizontal rotation parallel to the surface of the ground; And
And a tilt angle which is an angle of the camera corresponding to a vertical rotation parallel to a vertical plane perpendicular to the ground surface.
11. The method of claim 10,
Further comprising a control unit for controlling the driving unit through the camera status information and the control information.
The method according to claim 6,
The integrated control unit,
A database for storing map information and an absolute position on an indicator of each of the plurality of video surveillance equipment;
A control information calculation unit for calculating the control information based on the map information and the absolute position; And
And a communication unit for transmitting the calculated control information to the plurality of video surveillance equipment.
14. The method of claim 13,
The specific position may be,
And the information is directly designated on the map information of the integrated control unit by the user.
The method according to claim 6,
The integrated control unit,
And a display for visually outputting the image and the data.
16. The method of claim 15,
The integrated control unit,
Visually outputting map information to the display,
Wherein the video surveillance equipment matches the absolute position of each of the plurality of video surveillance equipment with the map information and outputs the plurality of video surveillance equipment to the map information.

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