CN109900987A - A kind of multi-functional decoupling network - Google Patents
A kind of multi-functional decoupling network Download PDFInfo
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- CN109900987A CN109900987A CN201910188513.2A CN201910188513A CN109900987A CN 109900987 A CN109900987 A CN 109900987A CN 201910188513 A CN201910188513 A CN 201910188513A CN 109900987 A CN109900987 A CN 109900987A
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Abstract
The present invention provides a kind of multi-functional decoupling networks, comprising: housing main body；The decoupling switching interface in parallel of port switching on housing main body, as decoupling in parallel between different harness；For realizing the U-shaped short-circuited terminal of the short circuit interconnection between two different bridging jacks of decoupling switching interface in parallel；Input interface on housing main body, being used to be connected with power supply unit；Output interface on housing main body, being used to be connected with Device under test；Input interface and output interface are corresponded in shell body interior to be connected by plain conductor.The present invention can the decoupling number of, lines according to needed for different power supply types, corresponding bridging jack is shorted with the U-shaped short-circuited terminal of respective numbers and is interconnected, switch decoupling state, form the decoupling network of different number of, lines, different structure, access the circuit-under-test of electromagnetic compatibility conduction test, it provides quick, convenient and fast pilot system to build, improves the consistency of test result.
Description
Technical field
The present invention relates to technical field of electromagnetic compatibility experimentation, in particular to a kind of multi-functional decoupling network.
Background technique
The purpose of electromagnetic compatibility test is checking system, equipment and external system, equipment or electromagnetic environment co-ordination,
Without the ability interfered with each other.In EMC test, when application interference signal by conduction pattern to Device under test into
When row test, it usually needs the transmission path of corresponding decoupling network guidance interference signal, to form being transmitted back to for interference signal
Road, and to pilot system outside equipment or system carry out interference signal decoupling.For example, Aeronautical Radio Technical Committee standard
RTCA/DO-160G defines a whole set of laboratory test method of aviation aircraft, to determine measurand in the environment of simulation
Under the conditions of whether meet as defined in performance indicator requirement.Wherein, the peak voltage of the 17th chapter is tested, the standard is useless specific
The direct current or exchange decoupling network that definition test need to use, therefore in test implementation, pilot system is built cumbersome and is consumed
The consistency of duration, test result is lower, this will affect the accuracy of test result, or even is easy to cause to pacify because of cable wrong
Full accident.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of multi-functional decoupling networks, in electromagnetic compatibility conduction test
Conducting wire decoupling and formed interference signal transmit circuit, and be suitable for Aeronautical Radio Technical Committee standard RTCA/DO-160G
In the test of the 17th chapter peak voltage decoupling network demand, and pilot system is built simply, and test result consistency is good.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is to provide a kind of multi-functional decoupling network, features
It is: including
Housing main body；
The decoupling switching in parallel of port switching on the housing main body, as decoupling in parallel between different harness connects
Mouthful；
U-shaped for realizing the short circuit interconnection between two different bridging jacks of the decoupling switching interface in parallel is shorted
Terminal；
Input interface on the housing main body, being used to be connected with power supply unit；
Output interface on the housing main body, being used to be connected with Device under test；
The input interface is corresponded inside the housing main body with the output interface and is connect by plain conductor.
Preferably, the shell of the housing main body is non-metallic material.
Preferably, the decoupling switching interface in parallel includes nine bridging jacks, forms one 3 × 3 array；
Nine bridging jacks are followed successively by the first bridging jack, the second bridging jack, third bridging jack, the 4th parallel connection
Jack, the 5th bridging jack, the 6th bridging jack, the 7th bridging jack, the 8th bridging jack and the 9th bridging jack；
It is interconnected between first bridging jack and the 5th bridging jack by the first decoupling capacitor, the second bridging jack and the 6th
It is interconnected between bridging jack by the second decoupling capacitor, electricity is decoupled by third between third bridging jack and the 4th bridging jack
Hold interconnection, the 7th bridging jack, the 8th bridging jack and the 9th bridging jack are sequentially connected in series.
Preferably, the U-shaped short-circuited terminal is the external U-shaped metallic plug for being equipped with insulating protective layer, and the U-shaped metal is inserted
The plug size of head and the size of the bridging jack match.
It is highly preferred that the input interface includes four input jacks, it is followed successively by input jack A, input jack B, input
Jack C and input jack N；
The output interface includes four output plugholes, is followed successively by output plughole A, output plughole B, output plughole C and defeated
Jack N out；
The input jack A, input jack B, input jack C and input jack N respectively with the output plughole A, output
Jack B, output plughole C are corresponded with output plughole N and are connected by plain conductor；
First bridging jack is connected in parallel to the plain conductor between input jack A and output plughole A by plain conductor
On；
Second bridging jack is connected in parallel to the plain conductor between input jack B and output plughole B by plain conductor
On；
The third bridging jack is connected in parallel to the plain conductor between input jack C and output plughole C by plain conductor
On；
9th bridging jack is connected in parallel to the plain conductor between input jack N and output plughole N by plain conductor
On.
Preferably, the bridging jack, input jack, output plughole are that embedded metal connects hole.
Preferably, the input interface is connected with power supply, the power interface phase of the output interface and Device under test
Even；According to the quantity demand of decoupling route, corresponding bridging jack is shorted mutually with the U-shaped short-circuited terminal of respective numbers
Connection, forms the decoupling network of different number of, lines, different structure.
It is tested the present invention also provides a kind of above-mentioned multi-functional decoupling network in AC single phase or DC power supply device
Using, it is characterised in that: the 5th bridging jack and the 8th bridging jack are shorted by a U-shaped short-circuited terminal and are interconnected, institute
It states input jack A to be connected with the anode of the L line of AC power source or DC power supply, the output plughole A is exchanged with Device under test
The anode of power supply L line or DC power supply is connected；The input jack N is connected with the cathode of the N line of AC power source or DC power supply,
The output plughole N is connected with the cathode of the AC power source N line of Device under test or DC power supply, is used for AC single phase or direct current
The electromagnetic compatibility conduction of source device is tested, and the decoupling for meeting the AC single phase or DC power supply of standard RTCA/DO-160G is wanted
It asks.
The present invention also provides a kind of application that above-mentioned multi-functional decoupling network is tested in three-phase Y type power-supply device,
Be characterized in that: the 4th bridging jack and the 7th bridging jack, the 5th bridging jack and the 8th bridging jack, the 6th parallel connection are inserted
Hole and the 9th bridging jack pass through a U-shaped short-circuited terminal respectively and are shorted interconnection, the L1 line phase of the input jack A and AC power source
Even, the output plughole A is connected with the power supply L1 line of Device under test；The input jack B is connected with the L2 line of AC power source, institute
Output plughole B is stated to be connected with the power supply L2 line of Device under test；The input jack C is connected with the L3 line of AC power source, described defeated
Jack C is connected with the power supply L3 line of Device under test out；The input jack N is connected with the N line of AC power source, the output plughole
N is connected with the power supply N line of Device under test, and the electromagnetic compatibility conduction for three-phase Y type power-supply device is tested, and meets standard
The decoupling requirement of the three-phase Y type AC power source of RTCA/DO-160G.
The present invention also provides a kind of application that above-mentioned multi-functional decoupling network is tested in three-phase △ type power-supply device,
Be characterized in that: first bridging jack and the 4th bridging jack, the second bridging jack and the 5th bridging jack, third parallel connection are inserted
Hole and the 6th bridging jack pass through a U-shaped short-circuited terminal respectively and are shorted interconnection, the L1 line phase of the input jack A and AC power source
Even, the output plughole A is connected with the power supply L1 line of Device under test；The input jack B is connected with the L2 line of AC power source, institute
Output plughole B is stated to be connected with the power supply L2 line of Device under test；The input jack C is connected with the L3 line of AC power source, described defeated
Jack C is connected with the power supply L3 line of Device under test out, and the electromagnetic compatibility conduction for three-phase △ type power-supply device is tested, and is met
The decoupling requirement of the three-phase △ type AC power source of standard RTCA/DO-160G.
Multi-functional decoupling network provided by the invention overcomes the deficiencies in the prior art, can be according to different power supply classes
Decoupling number of, lines needed for type is shorted corresponding bridging jack with the U-shaped short-circuited terminal of respective numbers and interconnects, switching decoupling
State, forms the decoupling network of different number of, lines, different structure, and the circuit-under-test of access electromagnetic compatibility conduction test provides
Quickly, easily pilot system is built, and improves the consistency of test result.
Detailed description of the invention
Fig. 1 is multi-functional decoupling network external structure schematic diagram provided in this embodiment；
Fig. 2 is multi-functional decoupling network schematic diagram of internal structure provided in this embodiment；
Fig. 3 is the schematic diagram that multi-functional decoupling network is tested for AC single phase or DC power supply device；
Fig. 4 is the schematic diagram that multi-functional decoupling network is used for the test of three-phase Y type power-supply device；
Fig. 5 is the schematic diagram that multi-functional decoupling network is used for the test of three-phase △ type power-supply device.
Specific embodiment
Present invention will be further explained below with reference to specific examples.
Embodiment 1
Fig. 1 is multi-functional decoupling network external structure schematic diagram provided in this embodiment, the multi-functional decoupling network
By the structures such as housing main body 100, decoupling switching interface 200, U-shaped short-circuited terminal 300, input interface 400 and output interface 500 in parallel
At.
Housing main body 100, is a cube, and shell is the non-metallic material of low-k.
Parallel connection decoupling switching interface 200, includes nine bridging jacks, is one 3 × 3 array, between different harness simultaneously
Join the port switching of decoupling.
U-shaped short-circuited terminal 300 has the U-shaped metallic plug of insulating protective layer for outside, plug size with it is described in parallel slotting
The size in hole matches, for the short circuit interconnection between two different bridging jacks.
Referring to fig. 2, nine bridging jacks, are followed successively by bridging jack 1, bridging jack 2, bridging jack 3, bridging jack
4, bridging jack 5, bridging jack 6, bridging jack 7, bridging jack 8 and bridging jack 9, wherein bridging jack 1 and bridging jack
It is interconnected between 5 by a decoupling capacitor 10, is interconnected between bridging jack 2 and bridging jack 6 by a decoupling capacitor 11, parallel connection is inserted
It is interconnected between hole 3 and bridging jack 4 by a decoupling capacitor 12,9 three bridging jack 7, bridging jack 8 and bridging jack parallel connections
Jack connects to form reliable electrical connection.
The bridging jack 1~9 is that embedded metal connects hole.
The decoupling capacitor 10~12 is usually 10 μ F, can meet the requirement of existing working standard.
The decoupling capacitor 10~12 can be other decoupling filtering such as varistor, diode or Transient Suppression Diode
Device, for applying the experimental enviroment in different demands.
The input interface 400 includes four input jacks 13,14,15,16, for being connected with power supply unit, is numbered
It is followed successively by input jack A, input jack B, input jack C and input jack N.
The input jack 13,14,15,16 connects hole for embedded metal.
The output interface 500 includes four output plugholes 17,18,19,20, for being connected with Device under test, is numbered
It is followed successively by output plughole A, output plughole B, output plughole C and output plughole N.
The output plughole 17,18,19,20 connects hole for embedded metal.
The input interface 400 inside the housing main body 100, input jack A, is inputted with the output interface 500
Jack B, input jack C and input jack N respectively with output plughole A, output plughole B, output plughole C and output plughole N one by one
It is corresponding to carry out reliable electric connection using plain conductor.
The bridging jack 1 is connected in parallel in the connecting wire between input jack A and output plughole A using plain conductor；
The bridging jack 2 is connected in parallel in the connecting wire between input jack B and output plughole B using plain conductor；
The bridging jack 3 is connected in parallel in the connecting wire between input jack C and output plughole C using plain conductor；
The bridging jack 9 is connected in parallel in the connecting wire between input jack N and output plughole N using plain conductor.
Multi-functional decoupling network provided in this embodiment, can be according to the quantity demand of decoupling route, with the U of respective numbers
Shape short-circuited terminal 300 is shorted corresponding bridging jack and interconnects, and forms the decoupling network of different number of, lines, different structure, connects
The circuit-under-test for entering electromagnetic compatibility conduction test, provides quick, convenient and fast pilot system and builds, improve the consistent of test result
Property.
Embodiment 2
Multi-functional decoupling network based on embodiment 1 is illustrated in figure 3 a kind of multi-functional decoupling network for AC single phase
Or the schematic diagram of DC power supply device test, bridging jack 5 and bridging jack 8 are shorted by a U-shaped short-circuited terminal 21 and are interconnected,
The capacitor 10 of a 10 μ F in parallel between the A line and N line of network at this time, forms a radiofrequency signal circuit.By input jack A
(13) it is connected with the anode of the L line of AC power source or DC power supply, by the AC power source L of output plughole A (17) and Device under test
The anode of line or DC power supply is connected；Input jack N (16) is connected with the cathode of the N line of AC power source or DC power supply, it is defeated
Jack N (20) is connected with the cathode of the power supply N line of Device under test or DC power supply out, is used for AC single phase or DC power supply device
Electromagnetic compatibility conduction test, and meet the decoupling requirement of the AC single phase or DC power supply of standard RTCA/DO-160G.
Embodiment 3
Multi-functional decoupling network based on embodiment 1 is illustrated in figure 4 a kind of multi-functional decoupling network for three-phase Y type
The schematic diagram of power-supply device test, bridging jack 4 and bridging jack 7, bridging jack 5 and bridging jack 8, bridging jack 6 and simultaneously
Join jack 9 and interconnection be shorted by U-shaped short-circuited terminal 22,21,23 respectively, at this time between the A line and N line of network, B line and N line it
Between, the capacitor 10,11,12 of 10 μ F in parallel respectively between C line and N line, by the L1 line phase of input jack A (13) and AC power source
Even, output plughole A (17) is connected with the power supply L1 line of Device under test；By the L2 line phase of input jack B (14) and AC power source
Even, output plughole B (18) is connected with the power supply L2 line of Device under test；By the L3 line phase of input jack C (15) and AC power source
Even, output plughole C (19) is connected with the power supply L3 line of Device under test；By the N line phase of input jack N (16) and AC power source
Even, output plughole N (20) is connected with the power supply N line of Device under test, the electromagnetic compatibility conduction for three-phase Y type power-supply device tries
It tests, and meets the decoupling requirement of the three-phase Y type AC power source of standard RTCA/DO-160G.
Embodiment 4
Multi-functional decoupling network based on embodiment 1 is illustrated in figure 5 a kind of multi-functional decoupling network for three-phase △ type
The schematic diagram of power-supply device test, bridging jack 1 and bridging jack 4, bridging jack 2 and bridging jack 5, bridging jack 3 and simultaneously
Join jack 6 and interconnection be shorted by U-shaped short-circuited terminal 22,21,23 respectively, at this time between the A line and B line of network, B line and C line it
Between, the capacitor 10,11,12 of 10 μ F in parallel respectively between C line and A line, by the L1 line phase of input jack A (13) and AC power source
Even, output plughole A (17) is connected with the power supply L1 line of Device under test；By the L2 line phase of input jack B (14) and AC power source
Even, output plughole B (18) is connected with the power supply L2 line of Device under test；By the L3 line phase of input jack C (15) and AC power source
Even, output plughole C (19) is connected with the power supply L3 line of Device under test, the electromagnetic compatibility conduction for three-phase △ type power-supply device
Test, and meet the decoupling requirement of the three-phase △ type AC power source of standard RTCA/DO-160G.
The above, only presently preferred embodiments of the present invention, not to the present invention in any form with substantial limitation,
It should be pointed out that under the premise of not departing from the method for the present invention, can also be made for those skilled in the art
Several improvement and supplement, these are improved and supplement also should be regarded as protection scope of the present invention.All those skilled in the art,
Without departing from the spirit and scope of the present invention, when made using disclosed above technology contents it is a little more
Dynamic, modification and the equivalent variations developed, are equivalent embodiment of the invention；Meanwhile all substantial technologicals pair according to the present invention
The variation, modification and evolution of any equivalent variations made by above-described embodiment, still fall within the range of technical solution of the present invention
It is interior.
Claims (10)
1. a kind of multi-functional decoupling network, it is characterised in that: including
Housing main body (100)；
The decoupling switching in parallel of port switching on the housing main body (100), as decoupling in parallel between different harness
Interface (200)；
U-shaped for realizing the short circuit interconnection between two different bridging jacks of decoupling switching interface (200) in parallel is short
Connecting terminal (300)；
Input interfaces (400) on the housing main body (100), being used to be connected with power supply unit；
Output interfaces (500) on the housing main body (100), being used to be connected with Device under test；
The input interface (400) and the output interface (500) correspond inside the housing main body (100) passes through gold
Belong to conducting wire connection.
2. a kind of multi-functional decoupling network as described in claim 1, it is characterised in that: the shell of the housing main body (100)
For non-metallic material.
3. a kind of multi-functional decoupling network as described in claim 1, it is characterised in that: the decoupling switching interface in parallel
(200) include nine bridging jacks, form one 3 × 3 array；
Nine bridging jacks are followed successively by the first bridging jack (1), the second bridging jack (2), third bridging jack (3),
Four bridging jacks (4), the 5th bridging jack (5), the 6th bridging jack (6), the 7th bridging jack (7), the 8th bridging jack (8)
With the 9th bridging jack (9)；
It is interconnected between first bridging jack (1) and the 5th bridging jack (5) by the first decoupling capacitor (10), the second bridging jack
(2) it is interconnected between the 6th bridging jack (6) by the second decoupling capacitor (11), third bridging jack (3) and the 4th parallel connection are inserted
It is interconnected between hole (4) by third decoupling capacitor (12), the 7th bridging jack (7), the 8th bridging jack (8) and the 9th are in parallel to insert
Hole (9) is sequentially connected in series.
4. a kind of multi-functional decoupling network as claimed in claim 3, it is characterised in that: the U-shaped short-circuited terminal (300) is outer
Portion is equipped with the U-shaped metallic plug of insulating protective layer, the plug size and the size phase of the bridging jack of the U-shaped metallic plug
Matching.
5. a kind of multi-functional decoupling network as claimed in claim 4, it is characterised in that: the input interface (400) includes four
A input jack is followed successively by input jack A, input jack B, input jack C and input jack N；
The output interface (500), include four output plugholes, be followed successively by output plughole A, output plughole B, output plughole C and
Output plughole N；
The input jack A, input jack B, input jack C and input jack N respectively with the output plughole A, output plughole
B, output plughole C is corresponded with output plughole N and is connected by plain conductor；
First bridging jack (1) is connected in parallel to the plain conductor between input jack A and output plughole A by plain conductor
On；
Second bridging jack (2) is connected in parallel to the plain conductor between input jack B and output plughole B by plain conductor
On；
The third bridging jack (3) is connected in parallel to the plain conductor between input jack C and output plughole C by plain conductor
On；
9th bridging jack (9) is connected in parallel to the plain conductor between input jack N and output plughole N by plain conductor
On.
6. a kind of multi-functional decoupling network as claimed in claim 5, it is characterised in that: the bridging jack, input jack, defeated
Jack is that embedded metal connects hole out.
7. a kind of multi-functional decoupling network as described in claim 1, it is characterised in that: the input interface (400) and power supply
Power supply is connected, and the output interface (500) is connected with the power interface of Device under test, according to the quantity demand of decoupling route, uses
The U-shaped short-circuited terminal (300) of respective numbers is shorted corresponding bridging jack and interconnects, and forms different number of, lines, difference
The decoupling network of structure.
8. a kind of try such as the described in any item multi-functional decoupling networks of claim 5~7 in AC single phase or DC power supply device
The application tested, it is characterised in that: the 5th bridging jack (5) and the 8th bridging jack (8) are short by a U-shaped short-circuited terminal
Interconnection is connect, the input jack A is connected with the anode of the L line of AC power source or DC power supply, and the output plughole A is set with tested
The anode of standby power supply L line or DC power supply is connected；The cathode of the N line or DC power supply of the input jack N and AC power source
It is connected, the output plughole N is connected with the cathode of the power supply N line of Device under test or DC power supply, is used for AC single phase or direct current
The electromagnetic compatibility conduction of power-supply device is tested, and the decoupling for meeting the AC single phase or DC power supply of standard RTCA/DO-160G is wanted
It asks.
9. a kind of as the described in any item multi-functional decoupling networks of claim 5~7 are answered what three-phase Y type power-supply device was tested
With, it is characterised in that: the 4th bridging jack (4) and the 7th bridging jack (7), the 5th bridging jack (5) and the 8th are in parallel
Jack (8), the 6th bridging jack (6) and the 9th bridging jack (9) are shorted interconnection by a U-shaped short-circuited terminal respectively, described defeated
Enter jack A to be connected with the L1 line of AC power source, the output plughole A is connected with the power supply L1 line of Device under test；The input is inserted
Hole B is connected with the L2 line of AC power source, and the output plughole B is connected with the power supply L2 line of Device under test；The input jack C with
The L3 line of AC power source is connected, and the output plughole C is connected with the power supply L3 line of Device under test；The input jack N with exchange
The N line of power supply is connected, and the output plughole N is connected with the power supply N line of Device under test, the electromagnetism for three-phase Y type power-supply device
Compatible conduction test, and meet the decoupling requirement of the three-phase Y type AC power source of standard RTCA/DO-160G.
10. a kind of as the described in any item multi-functional decoupling networks of claim 5~7 are answered what three-phase △ type power-supply device was tested
With, it is characterised in that: first bridging jack (1) and the 4th bridging jack (4), the second bridging jack (2) and the 5th are in parallel
Jack (5), third bridging jack (3) and the 6th bridging jack (6) are shorted interconnection by a U-shaped short-circuited terminal respectively, described defeated
Enter jack A to be connected with the L1 line of AC power source, the output plughole A is connected with the power supply L1 line of Device under test；The input is inserted
Hole B is connected with the L2 line of AC power source, and the output plughole B is connected with the power supply L2 line of Device under test；The input jack C with
The L3 line of AC power source is connected, and the output plughole C is connected with the power supply L3 line of Device under test, is used for three-phase △ type power-supply device
Electromagnetic compatibility conduction test, and meet the decoupling requirement of the three-phase △ type AC power source of standard RTCA/DO-160G.
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