KR101698025B1 - Surveillance device for video signals and data signals synchronous interpreting - Google Patents

Surveillance device for video signals and data signals synchronous interpreting Download PDF

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Publication number
KR101698025B1
KR101698025B1 KR1020150079171A KR20150079171A KR101698025B1 KR 101698025 B1 KR101698025 B1 KR 101698025B1 KR 1020150079171 A KR1020150079171 A KR 1020150079171A KR 20150079171 A KR20150079171 A KR 20150079171A KR 101698025 B1 KR101698025 B1 KR 101698025B1
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South Korea
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signal
data
sensor
output signal
data signal
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KR1020150079171A
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Korean (ko)
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KR20160143918A (en
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최훈기
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(주)큐랩스
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
    • H04N7/56—Synchronising systems therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/641—Multi-purpose receivers, e.g. for auxiliary information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control

Abstract

More particularly, the present invention relates to a synchronous analysis and monitoring apparatus for a video signal and a data signal, and more particularly, to a synchronous analysis and monitoring apparatus for a video signal and a data signal, which comprises a data signal D sensed by a sensor unit 10 and a video signal I captured by a plurality of cameras 21 And stores the data signal D and the video signal I as an output signal O in accordance with a reference level signal T which is a threshold value and analyzes the stored output signal O, The present invention relates to a synchronous analysis and monitoring apparatus for a video signal and a data signal,

Figure R1020150079171

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a video signal and a data signal synchronous interpreting,

[0001] The present invention relates to a synchronous analysis and monitoring apparatus for a video signal and a data signal, and more particularly, to a synchronous analysis and monitoring apparatus for a video signal and a data signal by synchronizing a control signal of a thermostatic control device, Output signal, and analyzing the cause of the malfunction by performing frequency analysis of the output signal stored at the time of a malfunction.

Generally, the thermo-hygrostat is a device that maintains the best atmospheric environment by controlling the temperature and humidity of the room. It is usually equipped with a refrigerant, a compressor, a condenser, an evaporator, a humidifier, ㆍ Performs heating and humidity control function.

Such a thermo-hygrostat is installed in a computer room, a laboratory room, a communication room, etc. to provide an optimal operating environment for various equipment and devices sensitive to changes in humidity.

However, according to the current state of the thermo-hygrostat, the thermo-hygrostat is separately installed for each room requiring constant temperature and humidity, and is independently managed. In order to check the operation state or set the setting It can be seen that there is an inconvenience that a manager has to go to every day.

Therefore, unlike conventional air conditioners, radiators, humidifiers, etc., the thermostats and / or humidifiers are used in places where appropriate temperature and humidity are always maintained, so that prompt alarms and follow-up measures should be taken when malfunctions occur .

Korean Patent No. 10-0458950 (November 11, 2004) discloses a thermostatic hygrostat radio management system as a related art related thereto.

1, a temperature check unit 10a installed in the thermo-hygrostat 1 for receiving temperature data from the thermo-hygrostat 1; A humidity check unit 10b for receiving humidity data from the thermo-hygrostat 1; A device check unit 10c for receiving the device status data of the thermo-hygrostat 1; A transmission / reception module 10e equipped with a wireless data communication function; A baseband processor 10d for processing signals of the inputted temperature, humidity and instrument state data so as to be suitable for application to the transceiver module 10e; A control unit 10f for transmitting a control signal to the thermo-hygrostat 1; (10).

In addition, a central control device 20 is further included as an apparatus for performing wireless data communication with the sensing device 10.

The central control unit 20 includes a transceiver unit 21 having a wireless data communication function and a memory 24a for storing the code data 24a and the movable reference value data 24b set for the thermo-hygrostat 1 24, and the like, and compares the operation state data of the constant temperature and humidity control unit and displays the data on the display unit 23.

However, the above-described conventional technology detects humidity, temperature, and device state by utilizing a humidity check unit, a temperature check unit, and a device check unit, thereby preventing a mechanical state change such as a damper There was a problem.

In addition, the above-described conventional technique is incapable of analyzing the reason why the image information about the mechanical operation and the state of the thermo-hygrostat or the test equipment is not stored because of the error, and synchronizes the temporally continuous image information with the data information There is a problem that can not be done.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a method and an apparatus for detecting a state of a thermo-hygrostat or a test equipment, a data signal sensed by a sensor, The input signal is synchronized and stored as an output signal so that the operation state of the thermo-hygrostat can be monitored in real time, and the output signal analyzed when a malfunction occurs can be analyzed to analyze the cause of the malfunction, And to provide an analysis monitoring apparatus.

According to an aspect of the present invention, there is provided an apparatus for synchronizing and analyzing video signals and data signals, the apparatus comprising: a plurality of sensor units for sensing a state of an EUT provided in a thermostat chamber; An input unit having a video decoder for receiving a video signal photographed inside and processing the video signal as graphics data and an analog switch for connecting a contact to input a data signal sensed by the sensor unit; A comparator for comparing the data signal transmitted from the amplifier with a reference level signal which is a threshold value and outputting a status signal, a sync block for outputting an output signal by synchronizing the data signal with the graphic data, A control unit for processing the output signal according to the status signal output from the comparator, According to the command portion is characterized in that the storage unit comprises storing the output signal.

The control unit may include a display unit for displaying the output signal, and a communication interface for communicating with a wireless LAN or a LAN.

The sensor unit is provided with a voltage sensor, a current sensor, a temperature sensor, a vibration sensor, a pressure sensor, and a sound pressure sensor for measuring supply voltage, supply current, temperature, vibration, pressure and sound pressure in the state of the EUT .

The input unit receives a control signal from the thermostatic control device for use as a data signal so that the monitoring device can be tested, and transmits the control signal.

The control unit includes a data logger for linking and managing the output signal stored in the storage unit, and a waveform analysis tool for analyzing the output signal.

The waveform analysis tool senses a mechanical change at a designated point by performing wavelet transform on the output signal, and performs a Fourier transform on the output signal to detect a supply voltage, a supply current, and a temperature change.

The camera includes a thermal sensing camera for sensing heat generated from the EUT and a high-speed camera for capturing the EUT at a high speed so as to be compared with the data signal.

As described above, the synchronous analysis and monitoring apparatus for a video signal and a data signal according to the present invention has the following effects.

First, a video decoder converts image signals captured by a plurality of cameras into graphic data, and processes the image signals so that a plurality of captured image signals are synchronized with one image to facilitate signal processing,

Second, an output signal in which the graphic data and the sensed data signal are synchronized with each other is recorded in a storage unit according to a status signal output from the comparator, and the status signal is generated by comparing data signals, It is possible to select and store important information in the memory of < RTI ID = 0.0 >

Thirdly, since the display unit for displaying the output signal stored in the storage unit and the communication interface for communicating with the outside are provided, it is possible to monitor the operation state and abnormality of the EUT, equipment and equipment at a long distance,

Fourthly, a data logger for storing the output signal in the event of an abnormality of the EUT, equipment and equipment, and a waveform analysis tool for analyzing the output signal are provided in the control unit, thereby facilitating posterior processing of the cause of the abnormality, There is an advantage advantageous in establishing a preventive measure.

1 is a block diagram of a conventional thermostat and hygrostat radio management system,
2 is a block diagram showing a configuration of a synchronous analysis and monitoring apparatus for a video signal and a data signal according to the present invention,
3 is a block diagram specifically showing a control unit of the synchronization analysis and monitoring apparatus according to the present invention,
4 is a view for explaining the operation of the sync block of the synchronization analysis monitoring apparatus according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a synchronous analysis and monitoring apparatus for a video signal and a data signal according to the present invention will be described with reference to the accompanying drawings.

2, the synchronous analysis and monitoring apparatus for a video signal and a data signal according to the present invention includes a plurality of sensor units 10 for sensing the state of an EUT A provided in a thermostatic chamber C, A video decoder 20 for receiving an image signal I photographed inside the thermostatic chamber C with a plurality of cameras 21 and processing the image signal I into graphic data G; An amplifier 40 for amplifying the data signal D input from the input unit 30, and an amplifier 40 for amplifying the data signal D input from the input unit 30, A comparator 50 for comparing the data signal D transmitted from the amplifier 40 with a reference level signal T which is a threshold value and outputting a status signal S, (60) for outputting an output signal (O) in synchronization with a clock signal (D) A storage section 80 for storing the output signals (O) according to the command of the controller 70 and the controller 70 for processing the output signal (O) is provided in accordance with the (S).

Here, the storage unit 80 includes a buffer memory unit acting as a buffer when the EUT normally operates, and when the EUT is malfunctioning, the output signal O input to the buffer memory unit is supplied to the control unit (70).

The control unit 70 includes a display unit 75 for displaying the output signal O and a communication interface 76 for communicating with the wireless LAN or the LAN. (T) to the comparator (50).

The sensor unit 10 includes a voltage sensor 11 for measuring a supply voltage, a supply current, a temperature, a vibration, a pressure and a sound pressure in the state of the EUT A, a current sensor 12, a temperature sensor And a sound pressure sensor 16 to convert the variation state of the inside of the EUT into the data signal D and to output the data signal D to the input unit 30, .

The input unit 30 receives a control signal for use as a data signal from the thermostat control unit B so as to be able to test the monitoring apparatus. Here, the thermostatic bath control device (B) may be replaced by other equipment and equipment used as the test equipment. That is, the thermostatic bath control device (B) can be tested by connecting other equipment and equipment such as a generator or an oscillator.

The control unit 70 includes a data logger 71 for linking and managing the output signal O stored in the storage unit 80 and a waveform analysis tool 72 for analyzing the output signal.

The waveform analysis tool 72 performs a wavelet transform on the output signal O to detect a mechanical change at a designated point and Fourier transform the output signal O to obtain a supply voltage, Detection.

The camera 21 includes a thermal sensing camera 21a for sensing the heat generated in the EUT A and a camera 21A for photographing the EUT A at a high speed so as to be able to compare the data signal D And a high-speed camera 21b.

The operation of the synchronous analysis and monitoring apparatus for a video signal and a data signal according to the present invention having the above-described structure will be described below.

2, the synchronous analysis and monitoring apparatus for a video signal and a data signal according to the present invention includes a control signal of the thermostatic controller B, a data signal D sensed by the EUT A, And the waveform of the stored output signal O is analyzed to determine the time and cause of the occurrence of the abnormality.

Here, the image signal I is photographed by a plurality of cameras 21. The camera 21 includes a thermal sensing camera 21a for sensing the heat of the EUT A, a high-speed camera (21b).

The video signal I is processed by the video decoder 20 into graphic data G so that it can be easily compared with and analyzed with the data signal D. At this time, And transmits the data G to the sync block 60. [

On the other hand, a voltage sensor 11, a current sensor 12, a temperature sensor (not shown) for measuring the supply voltage, the supply current, the temperature, the vibration, the pressure and the sound pressure of the EUT The sensor unit 10 includes a sensor unit 10 including a vibration sensor 13, a vibration sensor 14, a pressure sensor 15 and a sound pressure sensor 16. The sensor unit 10 detects a data signal D sensed by each sensor, To the input unit 30. At this time, the input unit 30 transmits the sensed data signal D to the amplifier 40 in a selective manner.

The amplifier 40 distributes the data signal D selected by the comparator 50 and the sync block 60.

The input unit 30 receives the control signal transmitted from the thermostatic bath controller B and the control signal acts as the input signal through the input unit 30 to act as the data signal D do.

The comparator 50 compares the data signal D that has passed through the input unit 30 with the reference level signal T input from the controller 70 and outputs a status signal S. Here, the status signal S determines that the output signal O is stored in the storage unit 80.

That is, when the status signal S is out of the offset, the controller 70 processes the command to store the output signal O in the storage unit 80.

The output signal O is a signal in which the graphic data G and the data signal D are output in synchronization with each other in the sync block 60. The control unit 70 controls the data logger 71, And the output signal (O) is stored in the unit (80).

The control unit 70 includes a waveform analysis tool 72 for analyzing the output signal O stored in the storage unit 80. The waveform analyzing tool 72 is provided with a wavelet transform which is advantageous for detecting a mechanical change at a specified point and a Fourier transform which is advantageous for a high frequency signal analysis to analyze the output signal O as a waveform, .

Also, the control unit 70 is provided with a communication interface 76 communicatively connected to the LAN or LAN so as to grasp the driving state at a remote place, thereby informing the external communication terminal of the state of the EUT.

The synchronous analysis and monitoring apparatus for a video signal and a data signal according to the present invention synchronizes the video signal I and the data signal D and outputs the stored output signal O in a manner different from the monitoring apparatus of the conventional thermostatic chamber C, So that the abnormality can be detected.

Therefore, it can be monitored with the video signal (I) which confirms the correlation with the threshold value of the data signal (D), and it is easy to grasp the intuitive state.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

Description of the Related Art [0002]
10: sensor part 11: voltage sensor
12: current sensor 13: temperature sensor
14: Vibration sensor 15: Pressure sensor
16: Sound pressure sensor 20: Video decoder
21: camera 21a: thermal camera
21b: high speed camera 30: input unit
31: Analog switch 40: Amplifier
50: comparator 60: sync block
70: control unit 71: data logger
72: Waveform analysis tool 75:
76: Communication interface 80:
A: tester B: thermostatic controller C: thermostatic chamber
D: Data signal G: Graphic data I: Video signal
O: output signal S: status signal T: reference level signal

Claims (7)

A plurality of sensors 10 for sensing the state of the EUT A provided in the thermostatic chamber C and a plurality of sensors 21 for detecting the image signals of the inside of the thermostatic chamber C The video decoder 20 receives the video signal I and the analog video signal D and processes the video signal I with the graphic data G and an analog switch 31 that connects the contacts to receive the data signal D sensed by the sensor unit 10 An amplifier 40 for amplifying the data signal D input from the input unit 30 and an amplifier 40 for amplifying the data signal D transmitted from the amplifier 40 and a reference level signal A synchronizing block 60 for outputting the output signal O by synchronizing the graphic data G with the data signal D, A control unit 70 for processing the output signal O according to the status signal S output from the comparator 50, And a storage unit 80 for storing the output signal O,
Wherein the input unit (30) receives a control signal used as the data signal (D) in a test by the thermostat control unit (B), and transmits the control signal to the thermostatic control unit (B). The method according to claim 1,
The control unit (70)
And a display unit (75) for displaying the output signal (O), and a communication interface (76) communicatively connected to the wireless LAN or the LAN. The method according to claim 1,
The sensor unit 10
A voltage sensor 11, a current sensor 12, a temperature sensor 13, a vibration sensor 14, and a voltage sensor 12 for measuring a supply voltage, a supply current, a temperature, a vibration, And a pressure sensor (15) and a sound pressure sensor (16). delete The method according to claim 1,
The control unit 70 is provided with a data logger 71 for linking and managing the output signal O stored in the storage unit 80 and a waveform analysis tool 72 for analyzing the output signal. A synchronous analysis and monitoring device for a video signal and a data signal. 6. The method of claim 5,
The waveform analysis tool 72
Wherein the output signal (O) is subjected to a wavelet transform to detect a mechanical change at a designated point, and the output signal (O) is subjected to Fourier transform to detect a supply voltage, a supply current, and a temperature change. Synchronous analysis of signals. The method according to claim 1,
The camera 21 includes a thermal sensing camera 21a for sensing the heat generated in the EUT A and a high speed camera 21 for photographing the EUT A at a high speed so as to be able to compare the data signal D with the data signal D, (21b) is provided on the video signal and the data signal.
KR1020150079171A 2015-06-04 2015-06-04 Surveillance device for video signals and data signals synchronous interpreting KR101698025B1 (en)

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