CN201926720U - Discharge source device for spatial electrostatic discharge test - Google Patents
Discharge source device for spatial electrostatic discharge test Download PDFInfo
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- CN201926720U CN201926720U CN2010205685159U CN201020568515U CN201926720U CN 201926720 U CN201926720 U CN 201926720U CN 2010205685159 U CN2010205685159 U CN 2010205685159U CN 201020568515 U CN201020568515 U CN 201020568515U CN 201926720 U CN201926720 U CN 201926720U
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Abstract
The utility model discloses a discharge source device for a spatial electrostatic discharge test, which comprises a discharge loop, a coupling device, a control circuit and an extended interface, wherein the discharge loop consists of a discharge control switch, a discharge circuit, a discharge electrode and a high voltage power supply; the discharge electrode and the high voltage power supply are connected with the discharge circuit; the discharge circuit is connected with the discharge control switch; the discharge control switch is operated by the control circuit to control the discharge operation of the discharge circuit; and the discharge circuit is connected with the coupling device and the extended interface for applying the generated discharge pulse to an instrument to be tested through the coupling device. The discharge source device can generate electrostatic discharge interference with certain intensity, the electrostatic discharge interference is input to the instrument to be tested in cable coupling manner and the anti-interference capability of the instrument is detected. The problem that no special aerospace test electrostatic discharge source is available is solved.
Description
Technical field
The utility model belongs to the technical field of in-space test facility, relates in particular to a kind of discharge source device that is used for the Induced by Space Electrostatic Discharges test.
Background technology
Space environment and spacecraft interact, and can produce electric charge accumulative total on the spacecraft surface, and when satisfying discharging condition, static discharge takes place immediately, and the static discharge of generation can disturb the instrument and equipment of spacecraft inside via being arranged in structural cable.Therefore, the special source apparatus of needs comes the static discharge of virtual space, detects the antijamming capability of tested instrument.
Because the static discharge relative complex under the space environment condition, there is very big difference with the industrial static discharge model (such as manikin, machine mould etc.) of maturation, so, can not be suitable for according to the static discharge source apparatus of above-mentioned model production and manufacturing.Be in particular in: at first, discharge energy is fixed, and is totally different with the situation that spacecraft surface charging under the space environment is changeable; Secondly, discharge waveform is fixed, and can't reflect the intensity and the duration of discharging under the space environment; At last, the mode that discharge applies also there are differences, and industrial existing discharge source adopts the mode of atmospherical discharges or contact discharge more, and the static discharge under the space environment is then undertaken by the mode of conduction coupling.
At the problems referred to above, manufactured and designed a kind of new static discharge source apparatus.Utilize this device can produce the static discharge disturbing pulse of certain intensity, disturb the cable of tested instrument, check its antijamming capability by coupling device.
Summary of the invention
The utility model proposes a kind of static discharge source apparatus, to solve the problem that existing industrial static discharge source apparatus can't be used for the Induced by Space Electrostatic Discharges test.
In order to address the above problem, the utility model adopts following technical scheme:
A kind of discharge source device that is used for the Induced by Space Electrostatic Discharges test, comprise discharge loop, coupling device, control circuit and expansion interface, wherein, discharge loop is by discharge control switch, discharge line, sparking electrode and high-voltage power supply are formed, sparking electrode and high-voltage power supply are connected on the discharge line, discharge line is in series with discharge control switch, discharge line is controlled the discharge operation of discharge line by control circuit operated discharge gauge tap, and discharge line is connected with coupling device and expansion interface respectively by coupling device the discharge pulse that produces is imposed on tested instrument.
Wherein, control circuit is controlled discharge control switch and is comprised that the manual triggers function is provided with function with discharging automatically.
Wherein, discharge control switch is the discharge special switch.
Further, described discharge special switch is charge switch and discharge control switch.
Wherein, sparking electrode is a pair of electrodes, and one discharge tip is a right cylinder, and the discharge tip of another electrode is a cone.
Further, sparking electrode comprises the damping fine tuning structure, regulates discharging gap between 0mm-20mm.
Further, sparking electrode comprises the discharging gap scale, reads the actual value of discharging gap by this scale.
Wherein, the removable clamping element in the coupling device base that comprises spill of coupling device and the pit is so that clamping coupling cable and disturbed cable.
Wherein, the discharge disturbing pulse that discharge line produces, clamps by a removable clamping element with disturbed cable by the coupling cable through the coupling cable interface, and the priming clamping element is fixed on the coupling device base and can moves within the specific limits.
Wherein, expansion interface is expanded external high-voltage power supply and/or external electrode.
Further, expansion interface also comprises adjustable measurement window.
The utlity model has following beneficial effect: 1. novel electrostatic discharge source device, satisfy the requirement of Induced by Space Electrostatic Discharges interference test.2. discharging model is adjustable, satisfies multi-form discharge demand.3. instrument adopts metal shell, and effectively radiation-screening disturbs.4. coupling device clamping cable is convenient.5. the automaticity height can be provided with and apply automatically static discharge and disturb.
Description of drawings
Fig. 1 is a static discharge source apparatus structural drawing of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Fig. 3 is the structural representation of coupling device.
Wherein, 1-control circuit, 2-discharge control switch, 3-discharge line, the 4-expansion interface, 5-coupling device, 6-sparking electrode, 7-high-voltage power supply, the 8-charging resistor, 9-inductance, 10-discharge capacity, 11-discharge resistance, 12-coupling circuit, the 13-relay that discharges, 14-controlling and driving circuit, 15-charge relay, the 16-cable interface that is coupled, the 17-cable that is coupled, the disturbed cable of 18-, 19-coupling device base, the removable clamping element of 20-.
Embodiment
Below in conjunction with accompanying drawing structure of the present utility model and principle of work are described further.
As shown in Figure 1, the discharge source device that is used for the Induced by Space Electrostatic Discharges test of the present utility model, comprise discharge loop 3, coupling device 5, control circuit 1 and expansion interface 4, wherein, discharge loop 3 is by discharge control switch 2, discharge line 3, sparking electrode 6 and high-voltage power supply 7 are formed, sparking electrode 6 and high-voltage power supply 7 are connected on the discharge line 3, discharge line 3 is connected with discharge control switch 2, discharge line 3 is controlled the discharge operation of discharge line 3 by control circuit 1 operated discharge gauge tap 2, and discharge line 3 is connected with coupling device 5 and expansion interface 4 respectively by coupling device 5 discharge pulse that produces is imposed on tested instrument.The discharge source device that is used for the Induced by Space Electrostatic Discharges test of the present utility model has flexible and changeable discharge mode, can set up the discharge loop of equity according to the space discharging model of actual analysis, produces the discharge pulse that satisfies the demands.The interface and the connected mode of this device are as follows: operation and setting that control circuit 1 will install the user are converted into current signal, and discharge control switch 2 is disconnected or closed discharge line 3 according to predefined pattern, finish the function of charging and discharge.In the charging stage, high-voltage power supply 7 connects with discharge line 3, and the device in the discharge line 3 is charged; After charging stage finished, high-voltage power supply 7 disconnected and being connected of discharge line 3, and sparking electrode 6 is set up and being connected of discharge line 3, and discharge pulse is via sparking electrode 6 generations, by the tested instrument of coupling device 5 interference.Can discharge time, discharge interval time parameter be provided with by the front panel of control circuit 1, the result of setting implements to show that concrete numerical value can successively decrease along with the operation of test by preceding display screen.The scope that is provided with of discharge time is 1 time-99 times, and discharge time, the scope that is provided with at interval was 10s-600s.In addition, control circuit self possesses suitable antijamming capability, and the disturbing pulse that instrument produced can not impact its operate as normal.
Further, the special-purpose discharge switch of described discharge is charge switch and discharge switch.Its principal feature is: at first, discharge switch is high pressure resistant, the voltage endurance capability of two switches is greater than 15kV; Secondly, discharge switch is arc extinguishing effectively, avoids interference.
Wherein, sparking electrode 6 adopts copper material, the surface smoothness height, and the discharge tip of one of them electrode is a right cylinder, the discharge tip of another electrode is a cone, can solve the influence that rigging error brings for electrode alignment aspect effectively.Sparking electrode 6 comprises the damping fine tuning structure, can regulate discharging gap between 0mm-20mm.Sparking electrode 6 comprises the discharging gap scale, can read the actual value of discharging gap by this scale.
Wherein, discharge line 3 is made up of the separate electronic components and parts, and these electron devices are fixed on the insulated substrate, and the quick-release plug is arranged, and is convenient for changing.
Wherein, expansion interface 4 is used to expand instrument performance, can expand external high-voltage power supply, external electrode.Expansion interface 4 also comprises an adjustable measurement window, this measurement window can be opened under the duty, uses oscilloprobe to measure discharge current waveform by this measurement window under the situation of not opening tool housing.
Wherein, coupling device 5 also comprise and discharge line 3 between composition such as interface, cable clamping fixture, coupling device agent structure.Coupling device adopts the ABS material, can avoid discharge pulse to be subjected to the shielding and the influence of metal.
Fig. 2 is simplification circuit theory diagrams of the present utility model, the principle of work of instrument is as follows: make charge relay 15 closures by controlling and driving circuit 14, high-voltage power supply 7 is via charging resistor 8,10 chargings of 9 pairs of discharge capacities of inductance, charging finishes, disconnect charge relay 15, closed discharge relay 13, then discharge capacity 10 forms the discharge disturbing pulse of a modulation in coupling circuit 12 by sparking electrode 6, discharge resistance 11.
Be described further below in conjunction with 3 pairs of coupling devices of accompanying drawing.
The major function of coupling device is clamping coupling cable 17 and disturbed cable 18, and its sectional view as shown in Figure 3.The discharge disturbing pulse, clamp by a removable clamping element 20 with disturbed cable 18, but the priming clamping element is fixed on the coupling device base 19 and can moves within the specific limits by coupling cable 17 by coupling cable interface 16.
Although above embodiment of the present utility model is described in detail and illustrates, but what should indicate is, we can carry out various changes and modification to the foregoing description, but these do not break away from the scope that spirit of the present utility model and appended claim are put down in writing.
Claims (6)
1. one kind is used for the discharge source device that Induced by Space Electrostatic Discharges is tested, comprise discharge loop (3), coupling device (5), control circuit (1) and expansion interface (4), it is characterized in that, discharge loop (3) is by discharge control switch (2), discharge line (3), sparking electrode (6) and high-voltage power supply (7) are formed, sparking electrode (6) and high-voltage power supply (7) are connected on the discharge line (3), discharge line (3) is connected with discharge control switch (2), discharge line (3) is controlled the discharge operation of discharge line (3) by control circuit (1) operated discharge gauge tap (2), and discharge line (3) is connected with coupling device (5) and expansion interface (4) respectively by coupling device (5) discharge pulse that produces is imposed on tested instrument.
2. discharge source device as claimed in claim 1 is characterized in that, sparking electrode (6) is a pair of electrodes, and one discharge tip is a right cylinder, and the discharge tip of another electrode is a cone.
3. discharge source device as claimed in claim 1 is characterized in that, sparking electrode (6) comprises the damping fine tuning structure, regulates discharging gap between 0mm-20mm.
4. discharge source device as claimed in claim 1 is characterized in that, coupling device comprises the coupling device base of spill and the removable clamping element in the pit, so that clamping coupling cable and disturbed cable.
5. discharge source device as claimed in claim 1 is characterized in that, expansion interface (4) external high-voltage power supply of expansion and/or external electrode.
6. discharge source device as claimed in claim 5 is characterized in that, expansion interface (4) also comprises adjustable measurement window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205685159U CN201926720U (en) | 2010-10-20 | 2010-10-20 | Discharge source device for spatial electrostatic discharge test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205685159U CN201926720U (en) | 2010-10-20 | 2010-10-20 | Discharge source device for spatial electrostatic discharge test |
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| Publication Number | Publication Date |
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| CN201926720U true CN201926720U (en) | 2011-08-10 |
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| CN2010205685159U Expired - Lifetime CN201926720U (en) | 2010-10-20 | 2010-10-20 | Discharge source device for spatial electrostatic discharge test |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983869A (en) * | 2014-05-08 | 2014-08-13 | 西安交通大学 | Nanosecond-microsecond level adjustable space medium electrostatic discharge simulation source |
| CN105242235A (en) * | 2015-11-04 | 2016-01-13 | 国网冀北电力有限公司电力科学研究院 | Multi-meter position electrical fast transient burst immunity test device |
| CN105242126A (en) * | 2014-07-07 | 2016-01-13 | 中国科学院空间科学与应用研究中心 | High-orbit satellite electrostatic discharge monitoring device |
| CN105467167A (en) * | 2015-12-10 | 2016-04-06 | 苏州世纪福智能装备股份有限公司 | An ESD raw material radio frequency performance inspection clamp |
| CN105486935A (en) * | 2015-12-21 | 2016-04-13 | 国网四川省电力公司电力科学研究院 | High-voltage electrostatic discharge apparatus for antistatic capability test of power purchase card |
| CN105785182A (en) * | 2016-03-18 | 2016-07-20 | 合肥联宝信息技术有限公司 | Static immunity diagnosis device and method |
| CN108490225A (en) * | 2018-04-16 | 2018-09-04 | 北京铂帷检测服务有限公司 | A kind of coupling plate electrostatic discharge testing adaptive device and method |
| CN109444579A (en) * | 2018-11-01 | 2019-03-08 | 北京东方计量测试研究所 | A kind of cable static Discharge Simulation device |
| CN109932579A (en) * | 2017-12-16 | 2019-06-25 | 神讯电脑(昆山)有限公司 | Esd immunity detection device |
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2010
- 2010-10-20 CN CN2010205685159U patent/CN201926720U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983869B (en) * | 2014-05-08 | 2016-05-25 | 西安交通大学 | A kind of nanosecond-Microsecond grade adjustable space medium electrostatic discharge simulation source |
| CN103983869A (en) * | 2014-05-08 | 2014-08-13 | 西安交通大学 | Nanosecond-microsecond level adjustable space medium electrostatic discharge simulation source |
| CN105242126A (en) * | 2014-07-07 | 2016-01-13 | 中国科学院空间科学与应用研究中心 | High-orbit satellite electrostatic discharge monitoring device |
| CN105242126B (en) * | 2014-07-07 | 2018-08-07 | 中国科学院空间科学与应用研究中心 | A kind of high orbit satellite static discharge monitoring device |
| CN105242235A (en) * | 2015-11-04 | 2016-01-13 | 国网冀北电力有限公司电力科学研究院 | Multi-meter position electrical fast transient burst immunity test device |
| CN105467167A (en) * | 2015-12-10 | 2016-04-06 | 苏州世纪福智能装备股份有限公司 | An ESD raw material radio frequency performance inspection clamp |
| CN105486935B (en) * | 2015-12-21 | 2019-06-11 | 国网四川省电力公司电力科学研究院 | A kind of power purchase card antistatic effect test high voltage electrostatic discharge device |
| CN105486935A (en) * | 2015-12-21 | 2016-04-13 | 国网四川省电力公司电力科学研究院 | High-voltage electrostatic discharge apparatus for antistatic capability test of power purchase card |
| CN105785182A (en) * | 2016-03-18 | 2016-07-20 | 合肥联宝信息技术有限公司 | Static immunity diagnosis device and method |
| CN109932579A (en) * | 2017-12-16 | 2019-06-25 | 神讯电脑(昆山)有限公司 | Esd immunity detection device |
| CN108490225A (en) * | 2018-04-16 | 2018-09-04 | 北京铂帷检测服务有限公司 | A kind of coupling plate electrostatic discharge testing adaptive device and method |
| CN108490225B (en) * | 2018-04-16 | 2024-03-26 | 北京铂帷检测服务有限公司 | Coupling plate electrostatic discharge test adapting device and method |
| CN109444579A (en) * | 2018-11-01 | 2019-03-08 | 北京东方计量测试研究所 | A kind of cable static Discharge Simulation device |
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| GR01 | Patent grant | ||
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Granted publication date: 20110810 |
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| CX01 | Expiry of patent term |