KR20170011519A

KR20170011519A - Break Out Box

Info

Publication number: KR20170011519A
Application number: KR1020150104267A
Authority: KR
Inventors: 허윤구; 류진영; 박주호; 김영윤; 조승원; 채동철; 문귀원
Original assignee: 한국항공우주연구원
Priority date: 2015-07-23
Filing date: 2015-07-23
Publication date: 2017-02-02
Also published as: KR101743027B1

Abstract

The present invention relates to a break out box connected to a test object, a first connector and a second connector. The break out box comprises: a plurality of first terminals which are individually connected to a first connector through a plurality of first signal lines; a plurality of second terminals which are individually connected to a second connector through a plurality of second signal lines; a main switch operating to connect or separate the plurality of first signal lines each other; and a plurality of terminal switches operating to connect or separate the plurality of first terminals and the plurality of second terminals corresponding to the plurality of first terminals so as to operate switching. According to the present invention, more efficient insulation test can be performed without installing an extra cable.

Description

Break Out Box {Break Out Box}

The present invention relates to a breakout box, and more particularly to a breakout box that allows testing of an isolation condition for a plurality of signal lines provided in a breakout box.

In general, a breakout box is used to investigate an electrical interface between each unit of a satellite, confirmation or failure of an electrical signal, and the like in assembling or testing a satellite. For example, the break-out box is connected between the units to be inspected. The break-out box is used to check a connection state of a signal line connected to a specific test point by using a plurality of test points provided in the break-out box, Or the magnitude of the voltage.

As described above, it is important to maintain an isolation state that is not electrically connected between a plurality of signal lines in order to perform a check using the breakout box.

1 is a block diagram of a conventional breakout box. As shown in FIG. 1, in order to test an insulation state between a plurality of signal lines, a test point corresponding to a signal line to be checked, A test point corresponding to a signal line to be checked next is checked. Then, a test point corresponding to a signal line to be checked is checked. After the remaining points are connected to each other, the process of testing the corresponding test point and checking the insulation state is repeated.

As described above, in order to test the insulation state of a plurality of signal lines, a process of connecting and checking the signal lines by using a separate cable is repeated, so that the process of checking the insulation state is complicated and troublesome.

In addition, since the user must directly check the connection relationship between the plurality of cables and the plurality of test points, it is necessary to check whether the plurality of signal lines are connected to each other, so that the test time is long and inefficient.

Korean Utility Model Publication No. 1999-0016078 (published on May 15, 1999)

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a main switch capable of connecting and disconnecting a plurality of signal lines constituting a breakout box, Quot ;, and " break out "

Further, the present invention includes other objects that can be achieved from the construction of the present invention described later, in addition to the objects explicitly mentioned.

According to an embodiment of the present invention, there is provided a breakout box connected to a test object, a first connector and a second connector, the breakout box including a plurality of A plurality of second terminals respectively connected to the second connector through a plurality of second signal lines, a main switch which performs a switching operation to connect or disconnect the plurality of first signal lines to each other, And a plurality of terminal switches for switching connection or disconnection of the plurality of second terminals respectively corresponding to the plurality of first terminals.

And a plurality of first line switches provided between two neighboring first signal lines of the plurality of first signal lines.

The plurality of first line switches may switch or disconnect the plurality of first signal lines with each other according to a switching operation of the main switch.

The main switch may switch to connect or disconnect the plurality of second signal lines to each other.

As described above, according to the breakout box according to the embodiment of the present invention, it is possible to install a main switch that connects or disconnects a plurality of signal lines constituting a breakout box, There is an advantage that the insulation state can be checked more efficiently.

Since the plurality of signal lines can be connected to or disconnected from each other according to the switching operation of the main switch, the troublesome operation of manually connecting a plurality of signal lines to each other can be reduced, have.

On the other hand, the effects of the present invention are not limited to those described above, and other effects that can be derived from the constitution of the present invention described below are also included in the effects of the present invention.

1 is a configuration diagram of a conventional breakout box.
2 is a configuration diagram of a breakout box according to an embodiment of the present invention.
3 is a configuration diagram of a breakout box 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 so that those skilled in the art can easily carry out the present invention.

2 shows a block diagram of a breakout box according to an embodiment of the present invention.

As shown in FIG. 2, the breakout box 100 is for exploring an electrical interface of a test object, an identification or failure of an electrical signal to the test object, and the like. Can be performed. The test object is an apparatus to be tested and is not limited to a specific apparatus, and may be an electronic apparatus such as a satellite system, an aviation system, or a launch vehicle system.

The breakout box 100 includes a plurality of first terminals 110, a plurality of second terminals 120, a main switch 130 and a plurality of terminal switches 140.

The first connector 101 is provided on one side of the breakout box 100 and the second connector 102 is provided on the other side of the breakout box 100 so as to be connected to a test object or the like.

A plurality of first terminals 110 are connected to the first connector 101 through a plurality of first signal lines 105 and a plurality of second terminals 120 are connected to the second connector 102 and a plurality of 2 signal lines 125, respectively. That is, the plurality of first terminals 110 are connected in parallel to the first connector 101, and the plurality of second terminals 120 are connected in parallel with the second connector 102 to receive signals from the test object .

The main switch 130 may perform a switching operation to connect or disconnect the plurality of first signal lines 105 to each other. At this time, a user operation unit (not shown) may be provided on the outer surface of the breakout box 100 to control the switching operation of the main switch 130 by a user's operation.

More specifically, it is necessary to connect a plurality of first signal lines 105 to each other to check the insulation state between the plurality of first signal lines 105. Conventionally, one end of the cable is connected to one of the test points The first terminal of the present invention) and connecting the other end of the cable to another test point to connect a plurality of signal lines. However, in the embodiment of the present invention, the main switch The first signal lines 105 can be connected to or disconnected from each other by turning on or off the first signal lines 130.

The breakout box 100 may further include a plurality of first line switches 150 to more effectively perform the same.

The plurality of first line switches 150 may be provided between two neighboring first signal lines 105 among the plurality of first signal lines 105. The plurality of first line switches 150 may be composed of various transistors such as a bipolar transistor (BJT), a field effect transistor (FET), or an insulated gate bipolar transistor (IGBT). Alternatively, the plurality of first line switches 150 may be formed of various switching elements in addition to the transistors.

The plurality of first line switches 150 may be switched according to the switching operation of the main switch 130 to connect or disconnect the plurality of first signal lines 105 to each other.

For example, when a plurality of first line switches 150 that are turned on according to an on operation of the main switch 130 are installed, when the main switch 130 is turned on, A signal for turning on all the first line switches 150 of the first line switch 150 is transmitted to the plurality of first line switches 150 and the plurality of first line switches 150 are turned on according to the operation signal transmitted from the main switch 130 All of the first signal lines 105 can be connected to each other. When the main switch 130 is turned off when a plurality of first line switches 150 are turned on according to the off operation of the main switch 130, A signal for turning on all the first line switches 150 is transmitted to the plurality of first line switches 150 and the plurality of first line switches 150 are all turned on according to the operation signal transmitted from the main switch 130 So that the plurality of first signal lines 105 can be connected to each other.

The plurality of terminal switches 140 are provided between the plurality of first terminals 110 and the plurality of second terminals 120 corresponding to the plurality of first terminals 110, And the plurality of second terminals 120, respectively.

For example, when the terminal switch 140 is turned on, the corresponding first terminal 110 and the second terminal 120 can be connected to each other, thereby outputting a signal from the first connector 101 or the second connector 102 And can be transferred to the second connector 102 or the first connector 101.

On the other hand, a process of checking the insulation state will be described by way of example.

First, when the main switch 130 is turned on, a plurality of first line switches 150 are turned on according to the on-operation of the main switch 130, so that the plurality of first signal lines 105 are connected to each other. Next, the terminal switch corresponding to the first signal line to be checked is turned off to separate the first terminal and the second terminal to be checked, and the first signal line excluding the first signal line to be checked corresponds to the first signal line The first terminal 110 and the second terminal 120 corresponding to the first signal line can be connected to each other. Then, it is possible to check the insulation state of the first signal line to be checked by connecting the measuring instrument to the first terminal and the second terminal to be checked.

When the checking of the insulation state is completed as described above, the first terminal corresponding to the first signal line to be checked next is separated from the second terminal, and the first signal line other than the first signal line to be checked next is separated. The first terminal 110 corresponding to the first signal line and the second terminal 120 corresponding to the remaining first signal line are connected to each other to check the insulation state. This process can be repeated to complete the checking of the insulation state for all the first signal lines.

3 shows a block diagram of a breakout box according to another embodiment of the present invention.

Hereinafter, the same components as those of FIG. 2 will be described with reference to the reference numerals in FIG. 2, and detailed descriptions of the same components as those described above will be omitted.

3, the breakout box 100 includes a plurality of first terminals 110, a plurality of second terminals 120, a main switch 130, a plurality of terminal switches 140, 1 line switch 150 and a plurality of second line switches 160. [

The main switch 130 may perform a switching operation to connect or disconnect the plurality of first signal lines 105 and may switch the plurality of second signal lines 125 to connect or disconnect each other. More specifically, the main switch 130 may be switched to connect all of the plurality of first signal lines 105, and may connect the plurality of second signal lines 125 together.

The plurality of first line switches 150 may be provided between two neighboring first signal lines 105 among the plurality of first signal lines 105. The plurality of first line switches 150 may be switched according to the switching operation of the main switch 130 to connect or disconnect the plurality of first signal lines 105 to each other.

The plurality of second line switches 160 may be provided between two neighboring second signal lines 125 of the plurality of second signal lines 125. The plurality of second line switches 160 may be switched according to the switching operation of the main switch 130 to couple or disconnect the plurality of second signal lines 125 to each other.

For example, when a plurality of first line switches 150 and a plurality of second line switches 160 are turned on according to the ON operation of the main switch 130, when the main switch 130 is turned on The plurality of first line switches 150 are all turned on to connect the plurality of first signal lines 105 to each other while the plurality of second line switches 160 are also turned on, (160) can be connected to each other. When a plurality of terminal switches 140 are turned on, a plurality of first signal lines 105 and a plurality of second signal lines 125 are connected to each other.

In this case, when a plurality of first signal lines 105 and a plurality of second signal lines 125 are all connected to check the insulation state, the terminal switch 140, the first line switch 150 And the second line switch 160 so that the first signal line 105 and the second signal line 125 can be connected to each other.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, Of the right.

100: Breakout box
110: a plurality of first terminals
120: a plurality of second terminals
130: Main switch
140: a plurality of terminal switches
150: a plurality of first line switches
160: a plurality of second line switches

Claims

A breakout box connected to a test object and a first connector and a second connector,
A plurality of first terminals connected to the first connector through a plurality of first signal lines,
A plurality of second terminals connected to the second connector through a plurality of second signal lines,
A main switch for switching the plurality of first signal lines to connect or disconnect each other, and
A plurality of terminal switches for switching or connecting the plurality of first terminals and the plurality of second terminals respectively corresponding to the plurality of first terminals,
A breakout box that includes.

The method of claim 1,
Further comprising a plurality of first line switches installed between two neighboring first signal lines of the plurality of first signal lines.

3. The method of claim 2,
Wherein the plurality of first line switches comprise:
And a switching operation according to a switching operation of the main switch to couple or disconnect the plurality of first signal lines to each other.

The method of claim 1,
The main switch includes:
And a plurality of second signal lines are connected to each other.