CN104360177B - Dielectric material hypobaric surface band electrical testing system - Google Patents
Dielectric material hypobaric surface band electrical testing system Download PDFInfo
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- CN104360177B CN104360177B CN201410662721.9A CN201410662721A CN104360177B CN 104360177 B CN104360177 B CN 104360177B CN 201410662721 A CN201410662721 A CN 201410662721A CN 104360177 B CN104360177 B CN 104360177B
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Abstract
The invention discloses a kind of dielectric material hypobaric surface band electrical testing system, relate to the device or systems technology field of measuring electric variable.Described test macro comprises HV generator, and its voltage output end passes through wire and vacuum feedthroughs joint and vacuum tank system and keeps being electrically connected; Non-contacting electrostatically voltage tester passes through wire and vacuum feedthroughs joint and vacuum tank system and keeps being electrically connected; Controllor for step-by-step motor passes through wire and vacuum feedthroughs joint and vacuum tank system and keeps being electrically connected; Vacuum tank system keeps airtight by vacuum tube and vacuum pump and is connected; Vacuum meter keeps being connected with vacuum tank system by wire, vacuum feedthroughs joint.Described test macro is for studying the Changing Pattern of solar battery array different surfaces material electrostatic potential, analyze electrostatic coupling passage, for theoretical research secondary discharge energy and the impact on solar power supply system thereof, determine that solar array static discharge failure mechanism provides experimental data.
Description
Technical field
The present invention relates to device or the systems technology field of measuring media material surface electricity, particularly relate to a kind of dielectric material hypobaric surface band electrical testing system.
Background technology
To the further investigation of barrier surface charge, people can be familiar with this quality factor affecting dielectric surface discharge and recharge further, can also by the research to material surface CHARGE DISTRIBUTION, analyze the microcosmic dielectric phenomenon at media interior and dielectric interface place, for the charge-discharge characteristic of different medium material under research hypobaric, the mechanism that under exploration hypobaric, dielectric surface is charged, find the dielectric material that novel electric strength is high, under raising infrabar, the resistance to pressure of vacuum medium material provides foundation.Therefore study dielectric material surface charge discharge and recharge under hypobaric the development tool of Spacecraft Material is of great significance (measurement mechanism that patent document discloses a kind of satellite material surface electrostatic discharge pulse characteristic and method that publication number is CN103267903A).
Dielectric surface can present the surface insulation resistance rate far different than ground surface environment under hypobaric, and it is the reason causing surface-discharge that electric charge is assembled at dielectric surface, and the pulse that electric discharge produces can affect the operation irregularity of Spacecraft Electronic system; Arc discharge then can cause dielectric surface to burn, and all can have influence on spacecraft reliability.General disposal route carries out the process of low insulation resistivity to dielectric surface, as adopted semiconduction film etc.Further research adopts surface spraying or surface treatment to solve surperficial Issues on Static Electrification.Under hypobaric, the charged degree on dielectric material surface and the relation of spatial charging intensity evaluate the Key experiments project of dielectric material reliability.
Dielectric charge under real space environment and discharge process are very complicated, not only relevant with medium physics, chemical constitution, and by the impact of spatial complex changeable environment.Such as solar wind, fallout particulate, aurora environment and small throughput high energy cosmic rays are to the cumulative effect etc. of medium, need to carry out experimental study unremitting for a long time.
Desirable dielectric charge and discharge test should be comprehensive vacuum, high and low temperature, electron beam (or plasma), ultraviolet, and the factors such as X ray effect, in the large artificial test of one, just should consider the test of design space true environment during condition maturity; As the cold cycling durability test of dielectric material under vacuum ultraviolet environment; The cold cycling durability test of dielectric material under vacuum ultraviolet, X-ray radiation environment; Under vacuum ultraviolet condition, elemental oxygen is to the corrosion life test of dielectric material and three factors or multiple-factor comprehensive effect aging test etc.Set up when having ready conditions and comprise the comprehensively aging of all principal elements and accelerated aging test system.
Under ground environment, how to keep Simulated Spacecraft solar array surface with higher electrostatic potential, and simulation space depression belt electrical environment, the electrostatic potential of the Spacecraft Dielectrics material surface of test simulation is current research topic in the urgent need to address.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of dielectric material hypobaric surface band electrical testing system, can electricity be given to dielectric material hypobaric surface and carry out electric quantity test, for studying the Changing Pattern of solar battery array different surfaces material electrostatic potential, analyze electrostatic coupling passage, for theoretical research secondary discharge energy and the impact on solar power supply system thereof, determine that solar array static discharge failure mechanism provides experimental data, electrostatic electrification is carried out to spacecraft surfacing and sensing unit simultaneously, electric discharge equivalent experiment, technical support is provided for choosing suitable anti-static material.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of dielectric material hypobaric surface band electrical testing system, it is characterized in that: described test macro comprises vacuum tank system and is positioned at the non-contacting electrostatically voltage tester outside vacuum tank system, HV generator, controllor for step-by-step motor, vacuum pump and vacuum meter, described controllor for step-by-step motor passes through wire successively, the the first vacuum feedthroughs joint be positioned on vacuum tank is connected with the control end of the intrasystem stepper motor of vacuum tank, the clutch end of described stepper motor is connected by insulation coupling rod and first vertical support frame that insulate, described first insulation vertical support frame is provided with the first rotating insulated support and the second rotating insulated support, the free end of described first rotating insulated support is provided with spray brush, the free end of described second rotating insulated support is provided with non-contacting electrostatically sensor, when rotating under described first rotating insulated support and the second drive of rotating insulated support at stepper motor, spray brush and non-contacting electrostatically sensor are relative with insulation objective table successively, described insulation objective table is provided with measured medium material, described measured medium material is connected with the radome of vacuum tank by ground lead, described non-contacting electrostatically sensor passes through wire successively, the the second vacuum feedthroughs joint be positioned on vacuum tank is connected with non-contacting electrostatically voltage tester, described spray brush is connected with the one end being positioned at the first insulation vertical support frame inner spring by wire, the other end of spring is provided with Metal Ball, the second insulation vertical support frame is corresponding thereto provided with immediately below described first insulation vertical support frame, second insulation vertical support frame is provided with the metallic channel suitable with Metal Ball, described metallic channel passes through wire successively, the 3rd vacuum feedthroughs joint be positioned on vacuum tank is connected with HV generator, vacuum tank system keeps airtight by vacuum tube and vacuum pump and is connected, vacuum meter passes through wire, the 4th vacuum feedthroughs joint be positioned on vacuum tank keeps being connected with vacuum tank system.
Preferred technical scheme is further: described second insulation vertical support frame is fixedly connected with vacuum tank by the 3rd insulation vertical support frame.
Preferred technical scheme is further: the angle between described first rotating insulated support and the second rotating insulated support is 90 °.
The beneficial effect that produces of technique scheme is adopted to be: the dielectric material surface potential impact experiments such as solar battery array can be carried out under hypobaric by described test macro, thus the dielectric material surface potential relational expression such as solar battery array under setting up different air pressure environment; Different materials under hypobaric, different interval effluve impact experiment can be carried out, thus different materials, different interval effluve relational expression under setting up hypobaric.Dielectric material surface potential affecting laws under hypobaric comparatively comprehensively can be grasped by described test macro.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the structural representation of vacuum tank system of the present invention;
Wherein: 1, vacuum tank system 2, non-contacting electrostatically voltage tester 3, HV generator 4, controllor for step-by-step motor 5, vacuum pump 6, vacuum meter 7, wire 8, vacuum tank 9, first vacuum feedthroughs joint 10, stepper motor 11, insulation coupling rod 12, first insulation vertical support frame 13, first rotating insulated support 14, second rotating insulated support 15, spray brush 16, non-contacting electrostatically sensor 17, insulation objective table 18, measured medium material 19, ground lead 20, radome 21, second vacuum feedthroughs joint 22, spring 23, Metal Ball 24, second insulation vertical support frame 25, metallic channel 26, 3rd vacuum feedthroughs joint 27, vacuum tube 28, 4th vacuum feedthroughs joint 29, 3rd insulation vertical support frame.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
As shown in Figure 1-2, the invention discloses a kind of dielectric material hypobaric surface band electrical testing system, non-contacting electrostatically voltage tester 2, HV generator 3, controllor for step-by-step motor 4, vacuum pump 5 and vacuum meter 6 that described test macro comprises vacuum tank system 1 and is positioned at outside vacuum tank system 1.Described controllor for step-by-step motor 4 is connected with the control end of the stepper motor 10 of vacuum tank system 1 by wire 7, the first vacuum feedthroughs joint 9 be positioned on vacuum tank 8 successively, the clutch end of described stepper motor 10 is connected by insulation coupling rod 11 and first vertical support frame 12 that insulate, and operates stepper motor 10 and the first insulation vertical support frame 12 can be made to rotate.
Described first insulation vertical support frame 12 is provided with the first rotating insulated support 13 and the second rotating insulated support 14, and the angle between described first rotating insulated support 13 and the second rotating insulated support 14 is 90 °.The free end of described first rotating insulated support 13 is provided with spray brush 15, and the free end of described second rotating insulated support 14 is provided with non-contacting electrostatically sensor 16.When described first rotating insulated support 13 and the second rotating insulated support 14 rotate under the drive of stepper motor 10, spray brush 15 and non-contacting electrostatically sensor 16 are relative with insulation objective table 17 successively.Described insulation objective table 17 is provided with measured medium material 18, and described measured medium material 18 is connected with the radome 20 of vacuum tank 8 by ground lead 19.
Described non-contacting electrostatically sensor 16 is connected with non-contacting electrostatically voltage tester 2 by the wire 7 in the first rotating insulated support 13, the second vacuum feedthroughs joint 21 be positioned on vacuum tank successively, and described spray brush 15 is connected with the one end being positioned at the first insulation vertical support frame 12 inner spring 22 by the wire in the second rotating insulated support 14.The other end of spring 22 is provided with Metal Ball 23, is provided with the second insulation vertical support frame 24 corresponding thereto immediately below described first insulation vertical support frame 12, and described second insulation vertical support frame 24 is fixedly connected with vacuum tank 8 by the 3rd insulation vertical support frame 29.Second insulation vertical support frame 24 is provided with the metallic channel 25 suitable with Metal Ball 23.Described metallic channel 25 is connected with HV generator 3 by wire 7, the 3rd vacuum feedthroughs joint 26 be positioned on vacuum tank.When described stepper motor 10 drives an insulation vertical support frame 12 to rotate, the Metal Ball 23 of spring 22 end can enter in the metallic channel 25 on the second insulation vertical support frame 24, and Metal Ball 23 contacting metal groove 25 realizes being electrically connected with HV generator 3.
Vacuum tank system 1 keeps airtight by vacuum tube 27 with vacuum pump 5 and is connected, and vacuum pump 5 is for by vacuum tank 8 vacuum state; Vacuum meter 6 keeps being connected with vacuum tank system by wire 7, the 4th vacuum feedthroughs joint 28 be positioned on vacuum tank, and vacuum meter 6 is for measuring the level of vacuum in vacuum tank 8.
Under the effect of vacuum pump 5, in vacuum tank, reach 10
-4the atmospheric pressure of Pa.Manual operation controllor for step-by-step motor 4 makes stepper motor 10 be rotated by the related wire of insulation coupling rod the 11, first vertically insulated support 12, the first rotating insulated support 13, the rotating insulated support 14 of spray brush 15, second, non-contact voltage sensor 16, until Metal Ball contacts conducting with metallic channel 25, at this moment spraying brush 15 rotates to measured medium material 18, and the high voltage that HV generator 3 produces is transported to spray brush 15 by wire, the 3rd vacuum feedthroughs plug 26, wire, metallic channel 25, Metal Ball 23, spring 22; Spray brush 15 occur under action of high voltage corona discharge make immediately below measured medium material 18 surface charged;
Manual operation controllor for step-by-step motor 4 makes stepper motor 10 by the related first rotating insulated support 13 of the insulation vertically insulated support 12 of coupling rod 11, first, the rotating insulated support 14 of spray brush 15, second, non-contact voltage sensor 16 90-degree rotation, at this moment Metal Ball 23 departs from metallic channel 25, and non-contacting electrostatically sensor 16 rotates to measured medium material 18; Measured medium material 18 belt surface voltages are sent on non-contacting electrostatically voltage tester 2 are recorded its surface voltage value by non-contact voltage sensor 16, wire, the second vacuum feedthroughs joints 21.
Described test macro is for studying the Changing Pattern of solar battery array different surfaces material electrostatic potential, analyze electrostatic coupling passage, for theoretical research secondary discharge energy and the impact on solar power supply system thereof, determine that solar array static discharge failure mechanism provides experimental data, electrostatic electrification, electric discharge equivalent experiment being carried out to spacecraft surfacing and sensing unit simultaneously, providing technical support for choosing suitable anti-static material.
Claims (3)
1. a dielectric material hypobaric surface band electrical testing system, it is characterized in that: described test macro comprises vacuum tank system (1) and is positioned at the non-contacting electrostatically voltage tester (2) in vacuum tank system (1) outside, HV generator (3), controllor for step-by-step motor (4), vacuum pump (5) and vacuum meter (6), described controllor for step-by-step motor (4) is successively by wire (7), the the first vacuum feedthroughs joint (9) be positioned on vacuum tank (8) is connected with the control end of the stepper motor (10) of vacuum tank system (1), the clutch end of described stepper motor (10) is connected by insulation coupling rod (11) and first vertical support frame (12) that insulate, described first insulation vertical support frame (12) is provided with the first rotating insulated support (13) and the second rotating insulated support (14), the free end of described first rotating insulated support (13) is provided with spray brush (15), the free end of described second rotating insulated support (14) is provided with non-contacting electrostatically sensor (16), when described first rotating insulated support (13) and the second rotating insulated support (14) rotate under the drive of stepper motor (10), spray brush (15) and non-contacting electrostatically sensor (16) are relative with insulation objective table (17) successively, described insulation objective table (17) is provided with measured medium material (18), described measured medium material (18) is connected with the radome (20) of vacuum tank (8) by ground lead (19), described non-contacting electrostatically sensor (16) is successively by wire (7), the the second vacuum feedthroughs joint (21) be positioned on vacuum tank is connected with non-contacting electrostatically voltage tester (2), described spray brush (15) is connected with the one end being positioned at the first insulation vertical support frame (12) inner spring (22) by wire, the other end of spring (22) is provided with Metal Ball (23), the second insulation vertical support frame (24) is corresponding thereto provided with immediately below described first insulation vertical support frame (12), second insulation vertical support frame (24) is provided with the metallic channel (25) suitable with Metal Ball (23), described metallic channel (25) is successively by wire (7), the 3rd vacuum feedthroughs joint (26) be positioned on vacuum tank is connected with HV generator (3), vacuum tank system (1) keeps airtight by vacuum tube (27) with vacuum pump (5) and is connected, vacuum meter (6) is by wire (7), the 4th vacuum feedthroughs joint (28) be positioned on vacuum tank keeps being connected with vacuum tank system.
2. dielectric material hypobaric surface band electrical testing system according to claim 1, is characterized in that: described second insulation vertical support frame (24) is fixedly connected with vacuum tank (8) by the 3rd insulation vertical support frame (29).
3. dielectric material hypobaric surface band electrical testing system according to claim 1, is characterized in that: the angle between described first rotating insulated support (13) and the second rotating insulated support (14) is 90 °.
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| CN201410662721.9A CN104360177B (en) | 2014-11-19 | 2014-11-19 | Dielectric material hypobaric surface band electrical testing system |
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| CN102937673A (en) * | 2012-11-25 | 2013-02-20 | 中国航天科技集团公司第五研究院第五一〇研究所 | Method for detecting surface charge density of dielectric material under electron irradiation |
| CN102944763A (en) * | 2012-11-20 | 2013-02-27 | 中国航天科技集团公司第五研究院第五一〇研究所 | System and method for in-situ testing of internal electric charge and electric field distribution of dielectric material |
| CN103267903A (en) * | 2013-04-24 | 2013-08-28 | 兰州空间技术物理研究所 | Device and method for measuring satellite material surface electrostatic discharge pulse characteristics |
| CN204203368U (en) * | 2014-11-19 | 2015-03-11 | 中国人民解放军军械工程学院 | Dielectric material hypobaric surface band electrical testing system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59204775A (en) * | 1983-05-07 | 1984-11-20 | Mitsubishi Electric Corp | Measurement for charging and discharging of dielectric |
| US8368380B2 (en) * | 2010-03-31 | 2013-02-05 | General Electric Company | Devices and methods for electric field sensing |
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- 2014-11-19 CN CN201410662721.9A patent/CN104360177B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944763A (en) * | 2012-11-20 | 2013-02-27 | 中国航天科技集团公司第五研究院第五一〇研究所 | System and method for in-situ testing of internal electric charge and electric field distribution of dielectric material |
| CN102937673A (en) * | 2012-11-25 | 2013-02-20 | 中国航天科技集团公司第五研究院第五一〇研究所 | Method for detecting surface charge density of dielectric material under electron irradiation |
| CN103267903A (en) * | 2013-04-24 | 2013-08-28 | 兰州空间技术物理研究所 | Device and method for measuring satellite material surface electrostatic discharge pulse characteristics |
| CN204203368U (en) * | 2014-11-19 | 2015-03-11 | 中国人民解放军军械工程学院 | Dielectric material hypobaric surface band electrical testing system |
Non-Patent Citations (1)
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| 真空环境下介质表面电荷分布的测量方法;张要强 等;《绝缘材料》;20060630;第39卷(第3期);第3节 * |
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