KR101661893B1 - Digital video recorder having a monitor - Google Patents

Abstract

The present invention relates to a digital video recorder and a display unit which are integrated with each other, and a SMPS, which is a power supply unit for supplying power to a CCTV camera, a digital video recorder and a display unit, (DVR) capable of providing a user-friendly, convenient, and the like.
The monitor-integrated DVR according to the present invention is a device for receiving video signals from a plurality of CCTV cameras, storing the video signals in a storage medium and displaying the stored video, wherein the DVR comprises: a display unit integrally provided in a case of the digital video recorder; The digital video recorder includes a storage medium accommodating portion and an input terminal portion provided on one surface of the case of the digital video recorder. The storage medium is detachably mounted on a storage medium accommodating portion provided in the input terminal portion.

Description

[0001] Digital video recorder having a monitor [

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital video recorder (DVR), and more particularly, to a digital video recorder (DVR), which includes a digital video recorder and a display unit, The present invention relates to a monitor-integrated digital video recorder (DVR) capable of providing space, space saving, installation time, convenience, and the like in a narrow space.

CCTV Digital Video Recorder (DVR) is a video storage device developed by replacing a video cassette recorder (VCR) that stores conventional analog signals. A digital video recorder stores a digital video signal in a storage medium such as a hard disk (HDD), a solid state drive (SSD), a digital video disk (DVD), etc. instead of a video tape, There is no deterioration in image quality, and there is an advantage that it is convenient to reproduce or search the stored screen and easy to edit or transfer.

A number of technologies have appeared to date related to DVR, including the publicly disclosed patent No. 2004-107464 "High-quality integrated digital video recorder and its signal processing method ", Published Patent No. 2013-99438" Digital video recorder ". 1 is a schematic view of a conventional DVR system connected to a CCTV. As shown in FIG. 1, a conventional DVR system for video recording of a CCTV camera includes a plurality of CCTV cameras 40, A digital video recorder 10 for storing video signals, and monitoring devices 25, 20 and 30 for monitoring video from the digital video recorder. However, in order to use a DVR, a display, a CCTV camera or the like in connection with the conventional DVR system, a plurality of SMPSs 50 must be installed in respective devices to supply power.

Therefore, when connecting a CCTV camera in a conventional DVR system, a video line and a power line are separately installed, and a SMPS is newly installed and a video line is separately connected when a CCTV connection or an expansion is performed. There is a problem that it is difficult to distinguish an accurate line in connecting the apparatus. In addition, in the conventional DVR, an external display has to be connected to monitor the digital image recorded in the DVR. Therefore, it is not only inconvenient to use but also requires a lot of installation space, and complicated lines And there were inconveniences.

In addition, in the case of a conventional DVR, a stand type is widely used and used. Such a stand-type DVR has a problem in that space utilization and use are inconvenient because it occupies a lot of space. In addition, when used in combination with CCTV, a digital signal is output from the CCTV using a camera image transmission technology such as SDI and PDI. In the case of a digital signal, the image quality is superior to that of an analog signal, have.

On the other hand, in the case of a conventional video tape, the use rate has been rapidly decreased recently due to deterioration of image quality and durability. Since the captured image is so poor that it is difficult to read an image, recently, in the DVR, have. In the case of using the HDD, in order to attach or detach the HDD, the case must be detached and the HDD must be detached and attached. However, when the HDD is replaced, it is very cumbersome and time consuming and costly to detach the HDD. In addition, even if the DVR needs to be repaired, since the upper case of the DVR is opened and the parts inside the DVR are disassembled, it takes much time in terms of workability, which also causes maintenance problems.

In addition, in the case of the conventional DVR, it is possible to monitor through a different screen using a wired network, but it is inconvenient to check it remotely. In a conventional DVR system, a CRT monitor is mainly used as a display device. And it is a screen using a cathode ray tube, so there is a disadvantage in that there is a lot of sparkle and a lot of eyes are fatigued and power consumption is large when watching for a long time.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a CCTV camera, a digital video recorder and a power supply unit for supplying power to a display unit, In-one type DVR that can be transformed into a stand-type, wall-mounted type, and embedded type in accordance with the user's demand and can utilize space in a narrow space, shorten installation time and convenience .

It is another object of the present invention to provide a remote control system capable of remotely checking by activating a wireless network using a long-distance video transmission and application, providing a touch screen function for convenient operation without a mouse or a keyboard, (2.5inch), a general HDD (3.5inch), and a solid state drive (SSD).

According to an aspect of the present invention, there is provided a monitor-integrated DVR for receiving video signals from a plurality of CCTV cameras, storing the video signals in a storage medium and displaying the stored video images, A display unit integrally installed; The digital video recorder includes a storage medium accommodating portion and an input terminal portion provided on one surface of the case of the digital video recorder. The storage medium is detachably mounted on a storage medium accommodating portion provided in the input terminal portion.

Preferably, the DVR includes a power input unit for receiving power through one SMPS, and the input terminal unit includes a camera connection terminal unit connected to each of the plurality of CCTV cameras, and each of the plurality of CCTV cameras is connected to a power input unit The video signals from the plurality of CCTV cameras are transmitted to the digital video recorder through the camera connection terminal unit.

Preferably, the DVR has mounting brackets on both sides of the 'A' shape so that it can be installed as a stand-up type or wall-mounted type instead of a stand-up type according to a user's demand, thereby improving space utilization.

Preferably, each terminal of the input terminal portion is connected to two power lines and two video signal lines, so that it is unnecessary to separately install a power line and a video signal line, so that the configuration is also compact and the installation work efficiency is improved.

Preferably, the DVR includes a communication module for communicating with an external network, and the communication module includes a wireless communication module for communicating with the mobile terminal. The DVR includes a DVR To perform various controls and to receive and view an image.

Preferably, the DVR further includes an image signal receiving unit for receiving images from a plurality of CCTV cameras, and the image signal receiving unit is configured to receive analog image signals from a plurality of CCTV cameras and convert them into digital image signals, So that a clearer picture is realized.

Preferably, the DVR further comprises a video signal output unit for receiving the digital video signal from the video signal receiving unit and transmitting the video signal to the display unit.

Preferably, the DVR is configured to turn on / off the power supply to the storage medium by the opening / closing operation of the cover of the storage medium accommodating unit, thereby preventing the HDD from being damaged when the HDD is unlocked.

Since the DVR according to the present invention having the above-described characteristics is manufactured by integrating the thin TFD LCD and the DVR, the DVR can be manufactured as a stand type or a wall type, as well as a ' It can be manufactured in a buried type and can be manufactured and installed in a customized shape to meet the needs of the user, so that it can be installed in any space desired by the user.

In addition, since the thin TFD LCD and DVR are integrated, DVR function such as data recording and playback can be performed by one device, and DVR power, LCD power, and camera power are integrated into one rather than using each SMPS SMPS is used to maximize the use of space and can significantly reduce the number of ships, so clean and easy to connect around is possible.

In addition, it is possible to remotely confirm by activating a wireless network using a long distance video transmission and application, enable high-quality video to be transmitted over a long distance using CVI communication, configure a two-way communication signal with one cable, Since the band is used, mutual interference between the devices is minimized. In addition, with the touch screen function, convenient operation is possible without having a mouse or keyboard, and it is possible to easily remove and attach the HDD, thereby improving time and convenience in repairing the user or the A / S, (2.5inch), general HDD (3.5inch) and SSD can be mixed.

Further, according to the present invention, since the monitor is integrally attached to the digital video recorder, the indoor and outdoor black boxes for indoor / outdoor surveillance CCTV, vehicles (buses and lorries), underwater echo lights for monitoring underwater ecosystems (underwater ecosystem monitoring) And special destination monitoring. In addition, it is easy to replace or repair the HDD and the time is short. Therefore, it is necessary to set up the environment that needs quick installation, for example, the gas environment where the operator is replaced every 30 minutes to one hour, , For underwater work monitoring of underwater welders, and the like.

1 is a diagram schematically showing a conventional digital video recorder system.
2 is a diagram schematically illustrating a digital video recorder system according to an embodiment of the present invention.
FIG. 3 is a view schematically showing an input terminal portion of a rear portion of a digital video recorder according to the present invention.
4 is a view schematically showing a control panel on the front side of a digital video recorder according to the present invention.
FIG. 5 is a detailed view illustrating one CCTV input terminal in the digital video recorder according to the present invention.
6 is a view schematically showing an example of power supply and interruption of a storage medium.
7 is a block diagram schematically showing an internal circuit of a digital video recorder according to the present invention.

The most significant technical feature of the digital video recorder according to the present invention is that a digital video recorder and an LCD display unit are integrally formed and that a plurality of CCTV cameras and a digital video recorder and a power supply device .

2, a DVR system according to an embodiment of the present invention includes a plurality of CCTV cameras 400, a digital camera 400 connected to a plurality of CCTV cameras, A video recorder 100, and a power supply unit (SMPS) 500 for supplying power to the digital video recorder 100.

A plurality of CCTV cameras 400 generate image signals and transmit them to the digital video recorder 100. The digital video recorder 100 records images input from a plurality of CCTV cameras 400 into a built- And is displayed on the display unit 130, which is an LCD monitor.

The CCTV camera 400 used in the embodiment of the present invention may be a camera of a composite video interface (CVI) or a high definition-composite video interface (HDVI), and the CVI camera module may transmit an NTSC / do. Since the digital video recorder 100 functions as a node for coaxial P2P (point-to-point) transmission to the CCTV camera and is transmitted with a very low signal distortion rate through the coaxial cable, it is advantageous for long distance transmission and the digital video recorder 100 ) Receives an analog signal and converts it into a digital signal.

In the present invention, one SMPS 500 is configured to supply power to the digital video recorder 100, which may be installed outside or inside the digital video recorder 100. Each CCTV camera 400 is configured to receive power through the digital video recorder 100 so that it is not necessary to install a power supply such as a separate SMPS for each CCTV camera as in the prior art.

3 is a perspective view of the case 110 of the digital video recorder 100 according to the present invention, seen from the rear side. The case 110 of the digital video recorder 100 includes a display unit 130 integrally provided with the case so as to be displayed on the upper part of the case and an input terminal unit 120 provided on one surface (rear surface) of the case.

The display unit 130 is installed to be exposed on the side surface of the case. In the present invention, the display unit 130 is of LCD type, but it is not limited thereto and other known thin type displays may be employed. Since the display unit 130 is installed on the side surface of the case, it is not necessary to install a separate monitor, so that the apparatus itself is very compact and installation space is significantly reduced.

The input terminal unit 120 includes a camera connection terminal unit 121 to which an external CCTV camera 400 is connected, an external monitor connection unit 123 for connecting an external monitor if necessary, and a hard disk (HDD) A USB connection terminal, an HDMI terminal, and an A / B terminal (A / B: Pan Tilt Zoom), as required, And may further include a control terminal.

The SMPS 500 is connected to the digital video recorder 100 via the power input unit 124 and a part of the power input from the power input unit 124 is coupled to the camera connection terminal unit 121 to be connected to an external CCTV camera 400 are provided with power. The camera connection terminal unit 121 is provided with a total of eight camera connection terminals so that eight external CCTV cameras 400 can be connected at the same time.

4, a front panel control panel of the digital video recorder 100 according to the present invention is shown. In the front panel control panel of the digital video recorder 100 according to the present invention, (Network connection status LED, hard disk status LED), infrared sensor, ESC button (cancel button, monitor real time restoration function), Fn button (clear button and monitor screen assist), video screen Various control buttons such as a directional button and a power button for control and direction adjustment are provided to further improve the convenience of the user.

5 shows one connection terminal of eight camera connection terminals. As shown in FIG. 5, the camera connection terminal of the digital video recorder 100 according to the present invention includes a total of four contacts, Two of them are the power supply contact 121a and the other two are the contacts 121b for the video signal.

One of the two video signal contacts 121b is connected to the core portion of the CVI cable and the other one of the contacts is connected to a noise shield surrounding the core so that power can be supplied stably while maintaining the quality of the image. Specifically, when the CCTV camera 400 is connected to the camera connection terminal unit 121, DC power is supplied through the power supply contact 121a, and the video signal from the camera is transmitted through the video signal contact 121b to the digital video And is input to the recorder 100. Thereby, it is not necessary to supply independent power to each of the peripheral devices of the DVR system as in the prior art, and the advantage that the number of signal lines to be used is reduced is obtained.

The digital video recorder 100 according to the present invention is provided in a stand type or a wall type. As shown in FIG. 3, the digital video recorder 100 includes a case 110, Since it can be used as a buried type by attaching the first electrode 140, it can be used in various spaces according to the demand or need of the user.

The digital video recorder 100 according to the present invention includes a storage medium receiving portion 122 for receiving an HDD at one side of an input terminal portion 120 located at the rear side of the case 110 so that a HDD as a storage medium can be detached Respectively. The HDD is fixed to a dedicated bracket and can be stored in the storage medium accommodating portion 122 or can be taken out from the storage medium accommodating portion 122 to facilitate replacement and installation of the HDD, . In addition, HDDs (2.5 inch), general HDD (3.5 inch), SSD (solid state drive) and the like can be mounted as the types of HDD to be mounted.

Particularly, in the digital video recorder 100 according to the present invention, the HDD can be easily replaced and mounted. When the screw fastened to the rear surface of the case 110 is released, the mounting bracket is detached, If you connect the power and data lines of the HDD and fix it with screws, you can easily replace and install the HDD by attaching and detaching the mounting bracket without disassembling the case.

On the other hand, if the HDD is released without turning off the main power of the digital video recorder, serious damage to the HDD may occur. Therefore, when the HDD installed in the digital video recorder is replaced or checked, the main power of the digital video recorder is cut off and the HDD is replaced. However, if the power of the digital video recorder is cut off as described above, the real time monitoring from the CCTV camera is blocked as much as the interrupted time, thereby inconveniencing the user. In addition, the user may accidentally turn off the main power of the digital video recorder The HDD will be seriously damaged.

In order to solve this inconvenience, the present invention is configured such that the power supplied to the HDD is cut off by moving or opening the lid of the HDD insertion port. 6 (A) and 6 (B) show the power-on state of the HDD, and FIGS. 6 (C) and 6 The power supply is OFF.

As shown in FIGS. 6A and 6B, the digital video recorder 100 further includes a micro switch 160 in the storage medium storage unit 122. The micro switch 160 is installed on the rear surface of the case 110 near the storage medium accommodating portion 122 of the case 110. The micro switch 160 includes two contacts, And the other is connected to a power source terminal of a storage medium (HDD), and is configured to be supplied or cut off power to the HDD by on / off operation of the micro switch.

6B, when the cover 122a of the storage medium housing portion slides on the rear surface of the case 122 near the opening 122b to close the opening 122b, the switch 161 of the micro switch is resiliently And the switch 150 is turned on to supply power to the storage medium (HDD) 150.

6 (C) and 6 (D), when the user opens the lid 122b for reasons of replacing or inspecting the storage medium (HDD), the user presses the switch 161 of the micro switch flexibly The member 162 is raised by elasticity and the power supply from the power source to the storage medium (HDD) 150 is interrupted.

In addition, the present invention may further include an alarm means for notifying whether the HDD is normally connected by activating a warning sound on the PCB board or blinking the LED when the HDD connection is not properly performed.

7, the digital video recorder 100 according to the present invention includes a plurality of CCTV cameras, a plurality of CCTV cameras, And a video signal receiving unit 181 for receiving the video signal. The video signal receiving unit 181 converts the input analog signal into a digital signal and can receive a video signal for each channel transmitted from the CCTV cameras 400 as video input devices. The image signal receiving unit 181 A / D converts the image signal for each channel and outputs the image signal to the image signal output unit 182. A part of the output of the image signal receiving unit 181 may be stored in the HDD device in the form of compressed data through the compressor 186 or may be directly transmitted to the communication module 185 for real time image transmission.

The video signal output unit 182 can generate an output video signal for output to the display unit 130 using the received digital signal. The video signal output unit 182 converts the encoded video signal into an output video signal for output from the display unit 130 and transmits the converted video signal to the display unit 130, A video signal can be generated under the control of the control unit 187. [

For example, the eight-channel video signals received by the video signal receiving unit 181 may be displayed on one display screen divided into eight, or only the screen of a channel selected by the user. The form of the screen output from the display unit can be variously implemented through the video signal output unit under the control of the control unit controlled by the user.

In addition, the digital video recorder 100 according to the present invention further includes a communication module 185 for communication with the outside. The communication module 185 may include either the digital video recorder information or the image data stored in the HDD, the real-time image data from the CCTV camera 400, To the mobile device or control station over the network, and to receive the control information transmitted from the mobile device or the control station.

The digital video recorder 100 includes a control unit 187 for controlling functions and external connections of the digital video recorder 100. The control unit 187 controls the functions of the digital video recorder 100, And is configured to transmit image data stored in the HDD or control each function of the digital video recorder 100 according to a control command. In addition, the control unit 187 can control each function of the digital video recorder 100 by an input from a user input device connected to the digital video recorder, for example, a keyboard or a mouse or a control panel.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention. Various modifications and variations will be possible without departing from the spirit of the invention. Therefore, the scope of the present invention should be construed as being covered by the scope of the appended claims, and technical scope within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

100: Digital video recorder
110: Case 120: Input terminal part
121: camera connection terminal part 122: storage medium accommodating part
123: external monitor connection unit 124: power input unit
130: display unit 140: mounting bracket
150: storage medium (HDD) 160: micro switch
161: switch 162: pressure member
181: Video signal receiving unit 182: Video signal output unit
185: communication module 186: compressor
187:
400: CCTV camera
500: SMPS

Claims (8)

A digital video recorder for receiving video signals from a plurality of CCTV cameras, storing the video signals on a storage medium, and displaying the stored video,
The digital video recorder includes:
A display unit integrally provided in a case of the digital video recorder;
An input terminal unit provided on one surface of the case of the digital video recorder and having a storage medium accommodating portion for removably accommodating the storage medium; And
And a power input unit for receiving power through one SMPS,
Wherein the input terminal portion includes a plurality of camera connection terminal portions for connecting a plurality of CCTV cameras to a digital video recorder,
Each of the plurality of camera connection terminal portions is made up of two power supply contacts for supplying DC power to the connected CCTV camera and two video signal contacts for receiving video signals from the connected CCTV camera, The power supply contact and the two video signal contacts are integrally formed as one pair in each of the camera connection terminal portions,
When each of the plurality of CCTV cameras is connected to the camera connection terminal unit, DC power is supplied through two power supply contacts formed in each of the plurality of CCTV cameras, and video signals of each of the plurality of CCTV cameras are supplied to two video signal contacts To the digital video recorder via the interface.
delete The method according to claim 1,
And a mounting bracket having a U-shape is mounted on both sides of the case of the digital video recorder.
delete The method according to claim 1,
Wherein the digital video recorder further comprises a communication module for communicating with an external network,
Wherein the communication module further comprises a wireless communication module for communicating with the mobile terminal.
The method according to claim 1,
Wherein the digital video recorder further comprises a video signal receiving unit for receiving video from the plurality of CCTV cameras,
Wherein the video signal receiving unit is configured to receive an analog video signal from the plurality of CCTV cameras and convert the analog video signal into a digital video signal.
The method according to claim 6,
Wherein the digital video recorder further comprises a video signal output unit for receiving the digital video signal from the video signal receiving unit and transmitting the video signal to the display unit.
The method according to claim 1,
And the power supply to the storage medium is turned on / off when the lid of the storage medium accommodating unit is opened or closed.

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