KR20160117000A - Inspection Device for Radar Component - Google Patents

Inspection Device for Radar Component Download PDF

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Publication number
KR20160117000A
KR20160117000A KR1020150045537A KR20150045537A KR20160117000A KR 20160117000 A KR20160117000 A KR 20160117000A KR 1020150045537 A KR1020150045537 A KR 1020150045537A KR 20150045537 A KR20150045537 A KR 20150045537A KR 20160117000 A KR20160117000 A KR 20160117000A
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KR
South Korea
Prior art keywords
arc
internal circuit
modulator
sensor
phase modulator
Prior art date
Application number
KR1020150045537A
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Korean (ko)
Other versions
KR101692476B1 (en
Inventor
황성
Original Assignee
대한민국(국방부 공군참모총장)
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Priority to KR1020150045537A priority Critical patent/KR101692476B1/en
Publication of KR20160117000A publication Critical patent/KR20160117000A/en
Application granted granted Critical
Publication of KR101692476B1 publication Critical patent/KR101692476B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R31/02—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

In the present invention, an electric signal for checking the internal circuit of the arc detector can be applied by a switch operation, so that the internal circuit of the arc detector can be easily checked. A virtual arc signal is input to the arc detector, And can measure the resistance value of the phase modulator in the forward direction and the reverse direction, thereby improving the accuracy of the inspection. An apparatus for inspecting a radar component according to an embodiment of the present invention includes an internal circuit inspection unit electrically connected to an internal circuit of an arc detector to check whether an internal circuit is normal with an electric signal output from an arc detector, An arc sensor inspecting part for checking whether the arc sensor is normal with an electric signal outputted from the arc sensor by inputting an arc signal to the sensor, and an arc sensor checking part for receiving the resistance value of the phase modulator electrically connected to the phase modulator, A power supply unit for supplying power to the internal circuit inspection unit, the arc sensor inspection unit, and the modulator inspection unit; And a case portion for protecting the internal circuit inspection portion, the arc sensor inspection portion, the modulator inspection portion, and the power supply portion.

Description

[0002] Inspection Device for Radar Component [0003]

The present invention relates to a check device for checking whether a component mounted on an aircraft radar operates normally. More particularly, the present invention relates to an inspection apparatus for inspecting an arc detector and a phase modulator by applying an electric signal to check an arc detector and a phase modulator mounted on an aircraft radar and inspecting an output electric signal.

The contents described in this section merely provide background information on the embodiment of the present invention and do not constitute the prior art.

An aircraft or fighter aircraft is equipped with a radar to detect terrain or targets. A radar is a device that emits a high frequency and receives a high frequency echo reflected from the surface of a target object to identify the target.

One type of radar mounted on an aircraft or a fighter is an arc detector that photoelectrically measures an arc generated when a radar detects a target and a phase modulator that determines an appropriate phase by removing unnecessary signals from a specific signal. Or the like.

In a radar equipped with an arc detector and a phase modulator, the normal operation of the arc detector and the phase modulator is important in terms of ensuring the accuracy and reliability of detection of the terrain or target. Therefore, the normal operation of the arc detector and the phase modulator should be periodically checked to assist the normal operation of the aircraft and to increase the service life of the radar.

In the conventional art, since the function check of the radar having the arc detector and the phase modulator is performed to check whether the radar operates normally, there is a limitation in detecting defects of the arc detector and the phase modulator itself. There is a problem that a new product is required to be used even in a simple trouble.

In order to solve such a problem, the present invention proposes a method of inspecting an electric signal outputted by applying an electric signal to an arc detector to check the internal circuit of the arc detector, providing a virtual arc signal to the arc detector, And an inspection device for detecting whether the arc detector and the phase modulator are normal or not.

An apparatus for inspecting a radar component according to an embodiment of the present invention includes an internal circuit inspection unit electrically connected to an internal circuit of an arc detector to check whether an internal circuit is normal with an electric signal output from an arc detector, An arc sensor inspecting part for checking whether the arc sensor is normal with an electric signal outputted from the arc sensor by inputting an arc signal to the sensor, and an arc sensor checking part for receiving the resistance value of the phase modulator electrically connected to the phase modulator, A power supply unit for supplying power to the internal circuit inspection unit, the arc sensor inspection unit, and the modulator inspection unit; And a case portion for protecting the internal circuit inspection portion, the arc sensor inspection portion, the modulator inspection portion, and the power supply portion.

A connection cable electrically connected to the arc detector to exchange electrical signals; And a resistance input terminal electrically connected to the phase modulator to receive a resistance value of the phase modulator.

Also, the internal circuit checking unit may include an arc power switch provided to supply or cut off the operating power of the arc detector, and a first switch provided to supply or interrupt an input signal to the internal circuit; And a second switch provided to supply or cut off the input signal to the internal circuit.

In addition, the arc sensor checking section may include an arc sensor switch provided to supply or interrupt an arc signal to the arc sensor.

In addition, the modulator checking unit may include a modulator power switch provided to supply or cut off the operating power of the phase modulator, a selection dial provided to select and accept a resistance value input to the resistance input terminal, A direction switch; And a resistance display that displays the resistance value selected by the selection dial.

According to an embodiment of the present invention, an electric signal for checking the internal circuit of the arc detector can be applied by a switch operation, so that the internal circuit of the arc detector can be easily checked.

In addition, it is possible to check whether the arc sensor operates normally by inputting a virtual arc signal with the arc detector.

In addition, it is possible to measure the resistance value of the phase modulator in forward and reverse directions, thereby improving the accuracy of the inspection.

1 is an overall perspective view showing a radar component inspection apparatus according to an embodiment of the present invention.
2 is an overall perspective view showing an example of using the radar component checking apparatus of Fig.
FIG. 3 is a summary diagram of a process for determining a steady state of a radar component using the radar component checking apparatus of FIG. 1;

Hereinafter, some embodiments of the present invention will be described in detail based on exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 1 is an overall perspective view showing a radar part inspection apparatus according to an embodiment of the present invention, FIG. 2 is an overall perspective view showing an example of using a radar component inspection apparatus of FIG. 1, To determine the steady state of the radar component.

The radar component checking device 10 is an apparatus for checking the arc detector 20 and the phase modulator 30 mounted on a radar and is provided with an arc detector 20 and a phase modulator 30, The state of the arc detector 20 and the phase modulator 30 is checked based on the signal. The arc detector 20 is composed of an arc sensor for detecting an arc signal and an internal circuit for converting a signal detected by the arc sensor into an electrical signal. The phase modulator 30 removes an unnecessary signal (or noise signal) from a signal generated in the radar to determine an appropriate phase. The phase modulator 30 may include a plurality of phase modulators 30 and a diode therein.

The arc detector checking unit 100 is an apparatus for checking an arc detector by receiving an electric signal from the arc detector 20, and is divided into an internal circuit checking unit and an arc sensor checking unit.

The terms of internal circuit inspection and arc sensor inspection can be defined as terms for physically separating the two inspection parts as well as distinguishing between checking the internal circuit function and checking the arc sensor functionally. Therefore, the internal circuit inspection unit and the arc sensor inspection unit may have the same structure and functionally only.

The internal circuit checking unit is electrically connected to an internal circuit of the arc detector 20 to check whether the internal circuit is normal or not by using an electric signal outputted from the arc detector 20. [ The internal circuit checking unit is electrically connected to the connection cable 501, which is electrically connected to the arc detector 20 to exchange electric signals. The internal circuit checking section is composed of an arc power switch 101, a first switch 103, a second switch 105, a status lamp 107 and an arc sensor switch 109.

The arc power switch 101 is provided to supply or cut off operating power for the arc detector 20 to operate. The arc power switch 101 may be provided in the form of a push switch for ON / OFF operation, but may also be provided with various types of switches capable of performing an ON / OFF operation.

The first switch 103 is provided to supply or block the input signal to the internal circuit of the arc detector 20 and the second switch 105 is also provided to supply or interrupt the input signal to the internal circuit of the arc detector 20. [ do. The first switch 103 and the second switch 105 can supply four different input signals by on / off operations of the two switches. More specifically, four input signals can be generated by on / off of the first switch 103 and on / off of the second switch 105. By inputting such input signals, the status lamp 107 is turned on It is possible to judge whether the internal circuit of the arc detector 20 is in a normal state or not.

The internal circuit of the arc detector 20 is in a normal state when the status lamp 107 is turned on in a state where the first switch 103 is off and the second switch 105 is off, If the status lamp 107 is turned off, it can be determined that there is a problem in the internal circuit of the arc detector 20. [ The internal circuit of the arc detector 20 is in the steady state when the first switch 103 is in the off state and the second switch 105 is in the on state and the state lamp 107 is in the on state, If the lamp 107 is turned off, it can be determined that the internal circuit of the arc detector 20 has a problem.

It is determined that there is a problem in the internal circuit of the arc detector 20 if the status lamp 107 is turned on while the first switch 103 is in the on state and the second switch 105 is in the off state, And if the status lamp 107 is off, the internal circuit of the arc detector 20 can be determined to be in a normal state. It is judged that there is a problem in the internal circuit of the arc detector 20 if the state lamp 107 is turned on while the first switch 103 is in the on state and the second switch 105 is in the on state, And if the status lamp 107 is off, the internal circuit of the arc detector 20 can be determined to be in a normal state. This judgment process can be summarized as shown in FIG.

The arc sensor checking unit is an apparatus for inputting an arc signal to an arc sensor of the arc detector 20 and checking whether the arc sensor is normal with an electric signal outputted from the arc sensor. More specifically, the arc sensor checking unit is electrically connected to the connection cable 501, which is electrically connected to the arc detector 20 to exchange electric signals, and transmits a virtual arc signal through the connection cable 501 to the arc detector (20). The arc sensor checking section includes an arc sensor switch 109 for supplying or cutting off an arc signal to an arc sensor of the arc detector 20. The arc sensor checking section may have a mounting groove for fixing the radar component checking apparatus 10 in a state where the arc detector 20 and the connecting cable 501 are connected.

The modulator checking unit 200 is electrically connected to the phase modulator 30 to receive the resistance value of the phase modulator 30 and check whether the phase modulator 30 is normal or not. The modulator checking unit 200 may be composed of a modulator power switch 201, a selection dial 203, a direction switch 205, and a resistance display 207.

The modulator power switch 201 is provided to supply or block the operating power for the phase modulator 30 to operate. The modulator power switch 201 may be provided in the form of a push switch for ON / OFF operation, but may also be provided with various types of switches capable of performing an ON / OFF operation.

The selection dial 203 is provided to select and receive a resistance value input to the resistance input terminal 503. [ The resistance input terminal 503 is a terminal electrically connected to the plurality of phase modulators 30 to receive the resistance value of the diode included in the phase modulator 30 from the modulator checking unit 200. A plurality of phase modulators 30 connected to the resistance input terminal 503 may be provided, and preferably four phase modulators 30 may be provided. The selection dial 203 is provided to select a diode resistance value of the plurality of phase modulators 30 input to the resistance input terminal 503 and to input one resistance value.

The direction switch 205 is a device for switching the direction of measuring the diode resistance value of the phase modulator 30, and the direction of the switch in the direction switch 205 may be the forward direction or the reverse direction. More specifically, the diode resistance value of the phase modulator 30 has a normal range of 250 kohm to 360 kohms when the directional switch 205 is in the forward direction, and the phase modulator 30 ) May be judged to have a problem. When the direction switch 205 is in the reverse direction, the resistance value has an infinite value, and when a value other than the infinite value is measured, the diode of the phase modulator 30 may be judged to be a problem. By providing the direction switch 205 and measuring the resistance value in both directions, the accuracy of measurement can be increased.

The resistance display 207 is a device for displaying the resistance value selected by the selection dial 203 and is a device for displaying the diode resistance value of the phase modulator 30 in the form of a number. The resistance display 207 may be provided in the form of an Ohm meter to display the resistance value of the phase modulator 30 in the form of a number.

The power supply unit 300 is a device for supplying power to the internal circuit inspection unit, the arc sensor inspection unit, and the modulator inspection unit 200. The power supply unit 300 receives an AC voltage from an external power supply and converts it into a DC voltage, And may supply DC voltage power to the sensor checking unit and the modulator checking unit 200.

The casing unit 400 is a housing of the radar component inspection apparatus 10 for protecting the internal circuit inspection unit, the arc sensor inspection unit, the modulator inspection unit 200, and the power supply unit 300. The casing unit 400 is configured to accommodate the internal circuit inspection unit, the arc sensor inspection unit, the modulator inspection unit 200, and the power supply unit 300 as internal spaces, thereby facilitating the movement of the radar component inspection apparatus 10. The case part 400 may be formed in the form of a storage case connected to a hinge to open and close the upper and lower parts.

The foregoing description is merely illustrative of the technical idea of the present embodiment, and various modifications and changes may be made to those skilled in the art without departing from the essential characteristics of the embodiments. Therefore, the present embodiments are to be construed as illustrative rather than restrictive, and the scope of the technical idea of the present embodiment is not limited by these embodiments. The scope of protection of the present embodiment should be construed according to the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

10: Radar part checking device 20: Arc detector
30: phase modulator 100: arc detector inspection section
101: arc power switch 103: first switch
105: second switch 107: status lamp
109: arc sensor switch 200: modulator inspection section
201: Modulator power switch 203: Selection dial
205: direction switch 207: resistance display
300: electric power supply part 400: case part
501: connecting cable 503: resistance input terminal

Claims (5)

An internal circuit checking unit electrically connected to an internal circuit of the arc detector to check whether the internal circuit is normal with an electric signal outputted from the arc detector;
An arc sensor check unit for inputting an arc signal to an arc sensor of the arc detector and checking whether the arc sensor is normal with an electric signal outputted from the arc sensor;
A modulator checking unit electrically connected to the phase modulator to receive a resistance value of the phase modulator and check whether the phase modulator is normal;
A power supply unit for supplying power to the internal circuit checking unit, the arc sensor checking unit, and the modulator checking unit; And
And a case portion for protecting the internal circuit inspection portion, the arc sensor inspection portion, the modulator inspection portion, and the power supply portion. The method according to claim 1,
A connection cable electrically connected to the arc detector to exchange electric signals; And
And a resistance input terminal electrically connected to the phase modulator to receive a resistance value of the phase modulator. 3. The apparatus of claim 2, wherein the internal circuit check unit
An arc power switch provided to supply or interrupt the operating power of the arc detector;
A first switch provided to supply or interrupt an input signal to the internal circuit; And
And a second switch provided to interrupt or supply an input signal to the internal circuit. The apparatus of claim 3, wherein the arc sensor checking unit
And an arc sensor switch provided to supply or interrupt the arc signal to the arc sensor. 3. The apparatus of claim 2, wherein the modulator checking unit
A modulator power switch provided to supply or block the operating power of the phase modulator;
A selection dial adapted to select and receive the resistance value input to the resistance input terminal;
A direction switch for switching a direction for measuring the resistance value; And
And a resistance display for displaying the resistance value selected by the selection dial.
KR1020150045537A 2015-03-31 2015-03-31 Inspection Device for Radar Component KR101692476B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150045537A KR101692476B1 (en) 2015-03-31 2015-03-31 Inspection Device for Radar Component

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Application Number Priority Date Filing Date Title
KR1020150045537A KR101692476B1 (en) 2015-03-31 2015-03-31 Inspection Device for Radar Component

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KR20160117000A true KR20160117000A (en) 2016-10-10
KR101692476B1 KR101692476B1 (en) 2017-01-03

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10327054A (en) * 1997-05-21 1998-12-08 Victor Co Of Japan Ltd Pulse phase modulation circuit
US6313641B1 (en) * 1995-03-13 2001-11-06 Square D Company Method and system for detecting arcing faults and testing such system
US6479978B1 (en) * 1999-10-13 2002-11-12 Maxtor Corporation High-resolution measurement of phase shifts in high frequency phase modulators
US8564307B2 (en) * 2002-10-03 2013-10-22 Leviton Manufacturing Co., Inc. Arc fault detector with circuit interrupter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6313641B1 (en) * 1995-03-13 2001-11-06 Square D Company Method and system for detecting arcing faults and testing such system
JPH10327054A (en) * 1997-05-21 1998-12-08 Victor Co Of Japan Ltd Pulse phase modulation circuit
US6479978B1 (en) * 1999-10-13 2002-11-12 Maxtor Corporation High-resolution measurement of phase shifts in high frequency phase modulators
US8564307B2 (en) * 2002-10-03 2013-10-22 Leviton Manufacturing Co., Inc. Arc fault detector with circuit interrupter

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