CN107589326A - A kind of surge test method and system of optical fiber composite rope power supply unit - Google Patents
A kind of surge test method and system of optical fiber composite rope power supply unit Download PDFInfo
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- CN107589326A CN107589326A CN201710830889.XA CN201710830889A CN107589326A CN 107589326 A CN107589326 A CN 107589326A CN 201710830889 A CN201710830889 A CN 201710830889A CN 107589326 A CN107589326 A CN 107589326A
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- surge
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- power supply
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Abstract
The invention discloses the surge test method and system of optical fiber composite rope power supply unit, special decoupling network is accessed between Device under test EUT and EUT power supply unit, special decoupling network is used to prevent surge pulse from influenceing other parts do not tested, and the special decoupling network is the coil being made up of optical fiber composite rope spiral winding；It is provided for surge test pulse being transferred to Device under test EUT coupled impedance network from surge test instrument, surge test instrument connection coupled impedance network, surge test pulse is produced by surge test instrument, Device under test is judged；Described optical fiber composite rope one end connects EUT power supply units, other end connection Device under test EUT, from connection Device under test EUT one end insertion electric power cable connection coupled impedance network.The present invention prevents surge pulse to be coupled to EUT power supply units and influence other parts do not tested by a set of special decoupling network, so as to ensure being normally carried out for surge test.
Description
Technical field
The present invention relates to electromagnetic compatibility test field, more particularly to a kind of surge test side of optical fiber composite rope power supply unit
Method and system.
Background technology
For surge (Surge) as the term suggests being exactly the peak value for moment exceeding stationary value, it includes surge voltage and surge current.
Essentially, surge is a kind of violent pulse occurred within only hundreds of times a ten thousandth second.Electromagnetic compatibility (EMC, i.e.,
Electromagnetic Compatibility) the signified surge in field the reason for causing includes lightning, imperfect earth, perception
Load switching, municipal power failure excludes and ESD (Electro-Static discharge are static discharge), and its result may
Cause the loss of data even damage of equipment.
Therefore progress surge test is just needed to production whole cycle in the R ＆ D design of electronic and electrical equipment.For common
When the equipment of power of alterating and direct current power supply carries out surge test, there is special decoupling network (Decoupling network) to prevent from applying
The surge pulse being added on Device under test (EUT, Equipment Under Test) influences other devices do not tested, equipment
Or the circuit of system.But for the equipment of optical fiber composite rope power supply, because optical fiber composite rope is that light unit is compounded in by one kind
The inside of power cable, there is the cable of power transmission and optic communication transmittability, be of limited application, its special power supply connects
Line mode, without special decoupling network (Decoupling network), there has been no related effectively surge test method at present
Occur.So it can prevent surge pulse from influenceing the circuit of other devices do not tested, equipment or system either with or without method, it is suitable
Profit test
The content of the invention
It is an object of the invention to provide the surge test technical scheme of optical fiber composite rope power supply unit, by a kind of special
Decoupling network (Decoupling network) with ensure to optical fiber composite rope power supply unit carry out surge test when can
Prevent surge pulse from influenceing the circuit of other devices do not tested, equipment or system.
The present invention provides a kind of surge test method of optical fiber composite rope power supply unit, is provided for producing surge test arteries and veins
The surge test instrument of punching, special decoupling network, special decoupling net are accessed between Device under test EUT and EUT power supply unit
Network is used to prevent surge pulse from influenceing other parts do not tested, and the special decoupling network is by optical fiber composite rope spiral
Wind the coil formed；It is provided for surge test pulse being transferred to Device under test EUT coupled impedance from surge test instrument
Network, surge test instrument connection coupled impedance network, produces surge test pulse by surge test instrument, Device under test is carried out
Judge；
Described optical fiber composite rope one end connects EUT power supply units, other end connection Device under test EUT, is set from connection is tested
Standby EUT one end insertion electric power cable connection coupled impedance network.
Moreover, the special decoupling network is twined by 50 meters long of optical fiber composite rope around one 1 × 0.5 meter of rectangle plank
Around obtaining.
Moreover, PC is set, by the program control surge test instrument of PC.
The present invention also provides a kind of surge test system of optical fiber composite rope power supply unit, including for producing surge test
The surge test instrument of pulse, Device under test EUT, EUT power supply unit, coupled impedance network and special decoupling network are set；
The coupled impedance network, for surge test pulse to be transferred into Device under test EUT, surge from surge test instrument
Tester connects coupled impedance network, produces surge test pulse by surge test instrument, Device under test is judged；
The special decoupling network, for preventing surge pulse from influenceing other parts do not tested；In Device under test
Special decoupling network is accessed between EUT and EUT power supply units；
The special decoupling network is the coil that is made up of optical fiber composite rope spiral winding, described optical fiber composite rope one end
Connect EUT power supply units, other end connection Device under test EUT, from connection Device under test EUT one end insertion electric power cable connection
Coupled impedance network.
Moreover, the special decoupling network is twined by 50 meters long of optical fiber composite rope around one 1 × 0.5 meter of rectangle plank
Around obtaining.
Moreover, setting the PC of program control surge test instrument, surge test instrument is connected.
The present invention provides a kind of surge test technical scheme of optical fiber composite rope power supply unit, and design philosophy is used to prevent wave
Gush the special decoupling network (Decoupling of the other devices do not tested of pulsing effect, equipment or circuit system
network).When surge test instrument produces surge test pulse, surge test pulse is passed along coupling path (cable)
Broadcast, if without decoupling network (Decoupling network), it will a part is coupled in EUT, and a part is coupled to EUT
In the equipment of power supply, then it is coupled to by EUT power supply units the electricity of city's net and other devices do not tested, equipment or system
Road.So other equipment can be impacted or damaged.Special decoupling network (Decoupling network) is equivalent to one
Individual inductance, it is placed between surge test instrument and EUT power supply units, when surge test pulse is wanted to be coupled in EUT power supply units
When, special decoupling network (Decoupling network) plays a part of stop, thus can effectively prevent surge pulse
Influence the circuit of other devices do not tested, equipment or system.It is convenient that technical solution of the present invention is realized, cost is cheap, has
Important practical significance.
Brief description of the drawings
Fig. 1 is that environment map is built in a kind of surge test of optical fiber composite rope power supply unit provided in an embodiment of the present invention.
Fig. 2 is a kind of special decoupling network (Decoupling network) provided in an embodiment of the present invention.
Embodiment
Technical solution of the present invention is described in detail below in conjunction with drawings and examples.
Technical solutions according to the invention are used to prevent by a set of special decoupling network (Decoupling network)
Only surge pulse, which is coupled to EUT power supply units, influences the other device do not tested, equipment or circuit systems, so as to ensure surge
Test is normally carried out.
When surge test instrument produces surge test pulse, surge test pulse is passed along coupling path (cable)
Broadcast, if without decoupling network (Decoupling network), it will a part is coupled in EUT, and a part is coupled to EUT
In the equipment of power supply, then it is coupled to by EUT power supply units the electricity of city's net and other devices do not tested, equipment or system
Road.So other equipment can be impacted or damaged.
The present invention proposes to access special decoupling network between Device under test (EUT) and EUT power supply units
(Decoupling network)；Special decoupling network (Decoupling network) connection Device under test (EUT) and coupling
Two groups of lines for closing impedance network (Coupling network) share one end, wherein the binding post of connection impedance network is self-control
Plug, connection EUT and EUT power supply units binding post be normal power supply terminal.Special decoupling network interlude
For spirally-wound cable, play a part of barrier surge pulse and be coupled to EUT power supply units.
Special equivalent to one inductance of decoupling network (Decoupling network), is placed on surge test instrument and EUT
Between power supply unit, when surge test pulse is wanted to be coupled in EUT power supply units, special decoupling network
(Decoupling network) plays a part of stop, thus can effectively prevent surge pulse from influenceing other not tested
The circuit of device, equipment or system.
Further, the present invention provides a kind of surge test system of optical fiber composite rope power supply unit, including：For producing
The surge test instrument of surge test pulse, PC (Personal Computer, individual calculus for program control surge test instrument
Machine), for surge test pulse to be transferred into Device under test (EUT, Equipment Under Test) from surge test instrument
Coupled impedance network (Coupling network), for tested equipment (EUT, Equipment Under Test), be used for
Equipment to EUT power supplies, for preventing surge pulse from influenceing other parts (device, equipment or circuit system etc.) do not tested
Special decoupling network (Decoupling network).
A kind of circuit that common decoupling network is made up of resistance and electric capacity, prevent front and rear circuit network size of current from becoming
During change, the rush of current formed in power supply circuit has an impact to the normal work of network.Because optical fiber composite rope is existing
Power transmission has optical signal transmission again, therefore optical fiber composite rope is difficult to be linked into common decoupling network.
The special decoupling network of the embodiment of the present invention is the optical fiber composite rope with one 50 meters long around one 1 × 0.5 meter
Rectangle plank winding (50 circle), optical fiber composite rope one end connection EUT power supply units, the other end is modified, in accompanying drawing
Shown in Fig. 2, electric power cable L1, L2 are supply line, are embedded in 2 electric power cables L3, L4, L3, L4 connection at A, B point on the line
Coupled impedance network, EUT is entered by L1, L2 to supply line L1, L2, surge waveform for coupling surge test waveform,
Because right-hand member has decoupling network, therefore surge test waveform is difficult to be coupled on the EUT power supply units of right side.I.e. L3 one end connects
L1, other end connection coupled impedance network, L4 one end connection L2, other end connection coupled impedance network.
Fig. 1 is that environment map is built in a kind of surge test of optical fiber composite rope power supply unit provided in an embodiment of the present invention.Such as
Shown in Fig. 1, a kind of surge test system of optical fiber composite rope power supply unit of the present invention, including：Surveyed for producing surge
Try the surge test instrument, the PC (Personal Computer, personal computer) for program control surge test instrument, use of pulse
In the coupled impedance network (Coupling that surge test pulse is transferred to Device under test (EUT) from surge test instrument
Network), for tested equipment (EUT, Equipment Under Test), for powered to EUT equipment, for preventing
Only surge pulse influences the special decoupling network (Decoupling of other devices do not tested, equipment or circuit system
network)。
The surge test instrument is connected with PC by netting twine, surge test instrument and coupled impedance network, coupled impedance net
It is the wired connection of customization between network and EUT and decoupling network, decoupling network and EUT power supply units.In embodiment, surge is surveyed
Try the company between instrument and coupled impedance network, coupled impedance network and EUT and decoupling network, decoupling network and EUT power supply units
Line is an entirety, i.e., is attached by the optical fiber composite rope of offer decoupling network, and both ends are modified, one end connection power supply
Equipment, the other end are embedded in two electric power cables of L3, L4, L3, L4 connection coupled impedance network, L1, L2 connection EUT at AB both ends.
Wherein, for the equipment of optical fiber composite rope power supply, according to the professional standard test request of communications field surge test,
It is 10/700 μ s waveforms to need surge pulse waveform caused by surge test instrument.
Wherein, in order to produce 10/700us surge voltage waveform, the impedance of coupled impedance network is 4*100 Ω.
Wherein, decoupling network (Decoupling network) is close to Device under test (EUT, Equipment Under
Test one end) is special binding post, and cable draws two kinds of joints, and one is fabricated to connect and produces 10/700 μ s ripples
The special joint (referring to L3, L4) of the coupled impedance network (Coupling network) of shape, a connection Device under test (EUT)
It is powered (referring to L1, L2).
A kind of surge test method for optical fiber composite rope power supply unit that embodiment is realized using said system, including：
S1, Device under test (EUT, Equipment Under Test) is connected into building in environment shown in Fig. 1, and carried out
Grounding.Special decoupling network (Decoupling is accessed between Device under test (EUT) and EUT power supply units
network)。
S2, decoupling network (Decoupling network) are close to Device under test (EUT, Equipment Under Test)
One end draw two groups of lines, one group be used for connect Device under test (EUT) to be powered, another group be used for connect surge test instrument
Coupled impedance network (Coupling network).
The binding post for wherein connecting impedance network can be homemade plug, connect the wiring of EUT and EUT power supply units
Terminal is the terminal of normal power supply.Special decoupling network interlude is spirally-wound cable, plays barrier surge pulse
It is coupled to the effect of EUT power supply units.
S3, surge test instrument controlled by computer software, produce and meet the surge pulse waveform of test request, for optical fiber
The waveform of the power port surge test of composite rope power supply unit is 10/700 μ s；By Device under test (EUT, Equipment Under
Test) it is modulated under uplink downlink (or downlink) mode of operation, facilities for observation by surge pulse when being impacted, equipment
Whether can decline, if phenomena such as occurring restarting or crashing.Test performance criterion is compareed according to the phenomenon of equipment (to survey with reference to surge
Try relevant criterion) carry out result judge.
Embodiment described above only expresses certain embodiment of the present invention, and its description is more specific and detailed, right
For one of ordinary skill in the art, after reading over this specification, without departing from the inventive concept of the premise, it can also do
Go out several modifications and improvements, these belong to the protection domain of the claims in the present invention.
Claims (6)
1. a kind of surge test method of optical fiber composite rope power supply unit, it is provided for producing the surge test of surge test pulse
Instrument, it is characterised in that：Special decoupling network, special decoupling network are accessed between Device under test EUT and EUT power supply unit
For preventing surge pulse from influenceing other parts do not tested, the special decoupling network is to be twined by optical fiber composite rope spiral
Around the coil of composition；It is provided for surge test pulse being transferred to Device under test EUT coupled impedance net from surge test instrument
Network, surge test instrument connection coupled impedance network, produces surge test pulse by surge test instrument, Device under test is commented
Sentence；
Described optical fiber composite rope one end connects EUT power supply units, other end connection Device under test EUT, from connection Device under test EUT
One end insertion electric power cable connection coupled impedance network.
2. the surge test method of optical fiber composite rope power supply unit according to claim 1, it is characterised in that：It is described special
Decoupling network is wound to obtain by 50 meters long of optical fiber composite rope around one 1 × 0.5 meter of rectangle plank.
3. the surge test method of optical fiber composite rope power supply unit according to claim 1 or claim 2, it is characterised in that：PC is set
Machine, by the program control surge test instrument of PC.
4. a kind of surge test system of optical fiber composite rope power supply unit, including for producing the surge test of surge test pulse
Instrument, it is characterised in that：Device under test EUT, EUT power supply unit, coupled impedance network and special decoupling network are set；
The coupled impedance network, for surge test pulse to be transferred into Device under test EUT, surge test from surge test instrument
Instrument connects coupled impedance network, produces surge test pulse by surge test instrument, Device under test is judged；
The special decoupling network, for preventing surge pulse from influenceing other parts do not tested；In Device under test EUT and
Special decoupling network is accessed between EUT power supply units；
The special decoupling network is the coil being made up of optical fiber composite rope spiral winding, optical fiber composite rope one end connection
EUT power supply units, other end connection Device under test EUT, from connection Device under test EUT one end insertion electric power cable connection coupling
Impedance network.
5. the surge test system of optical fiber composite rope power supply unit according to claim 4, it is characterised in that：It is described special
Decoupling network is wound to obtain by 50 meters long of optical fiber composite rope around one 1 × 0.5 meter of rectangle plank.
6. according to the surge test method of the optical fiber composite rope power supply unit of claim 4 or 5, it is characterised in that：Journey is set
The PC of surge test instrument is controlled, connects surge test instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830889.XA CN107589326A (en) | 2017-09-15 | 2017-09-15 | A kind of surge test method and system of optical fiber composite rope power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830889.XA CN107589326A (en) | 2017-09-15 | 2017-09-15 | A kind of surge test method and system of optical fiber composite rope power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107589326A true CN107589326A (en) | 2018-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710830889.XA Pending CN107589326A (en) | 2017-09-15 | 2017-09-15 | A kind of surge test method and system of optical fiber composite rope power supply unit |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672666Y (en) * | 2003-11-21 | 2005-01-19 | 华为技术有限公司 | Detecting circuit for anti surge property |
| CN101777936A (en) * | 2009-07-02 | 2010-07-14 | 北京东土科技股份有限公司 | Surge immunity test method of high-speed signal wire |
| CN201570859U (en) * | 2009-12-24 | 2010-09-01 | 杭州华三通信技术有限公司 | Protection circuit with decoupling function and cable core wire between protection circuits |
| CN102621416A (en) * | 2012-03-23 | 2012-08-01 | 上海市电力公司 | Surge noise immunity experimental system |
-
2017
- 2017-09-15 CN CN201710830889.XA patent/CN107589326A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672666Y (en) * | 2003-11-21 | 2005-01-19 | 华为技术有限公司 | Detecting circuit for anti surge property |
| CN101777936A (en) * | 2009-07-02 | 2010-07-14 | 北京东土科技股份有限公司 | Surge immunity test method of high-speed signal wire |
| CN201570859U (en) * | 2009-12-24 | 2010-09-01 | 杭州华三通信技术有限公司 | Protection circuit with decoupling function and cable core wire between protection circuits |
| CN102621416A (en) * | 2012-03-23 | 2012-08-01 | 上海市电力公司 | Surge noise immunity experimental system |
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Application publication date: 20180116 |