CN102539920B - Multipurpose induction conductivity measuring electrode - Google Patents
Multipurpose induction conductivity measuring electrode Download PDFInfo
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- CN102539920B CN102539920B CN2011104562184A CN201110456218A CN102539920B CN 102539920 B CN102539920 B CN 102539920B CN 2011104562184 A CN2011104562184 A CN 2011104562184A CN 201110456218 A CN201110456218 A CN 201110456218A CN 102539920 B CN102539920 B CN 102539920B
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Abstract
The invention relates to a multipurpose induction conductivity measuring electrode which comprises an upper radiation-resistant insulating resin disc, a round radiation-resistant insulating resin table and a lower radiation-resistant insulating resin disc, wherein the upper radiation-resistant insulating resin disc is arranged in and fixed with an upper metal shell, and a top electrode ring and an upper shading ring are fixed at the lower end of the upper insulating resin disc; the round radiation-resistant insulating resin table is arranged in and fixed with a lower metal shell, and a volt-ampere electric current collecting plate is arranged at the upper end of the round insulating resin table; the lower radiation-resistant insulating resin disc is arranged in and fixed with the lower metal shell, and a bottom electrode ring and a bottom shading ring are fixed at the upper end of the lower radiation-resistant insulating resin disc; an electric potential testing connector is arranged at one end of the outer side of the upper metal shell, an electric current testing connector is arranged at one end of the lower metal shell, and a zero potential connector connected with a lower shading ring is arranged at the other end of the lower metal shell, and circular holes are arranged at one ends of the upper shading ring and the lower shading ring; and the electrode is applied to the measurement of normal conductivity of a dielectric material and induction conductivity after high-energy electron beam irritation in a simulated space environment and simultaneously can be used for measuring the beam current density of electron beams of a penetration test sample.
Description
Technical field
The invention belongs to and use the volt-ampere characteristic method to be induced the conductivity measurement technique field, be specifically related to a kind of Multipurpose induction conductivity measuring electrode.
Background technology
Insulating medium has now become the key components of modern electric, electron device, and one of conductance property most important parameter of fundamental sum that is always it.The radiation induction electric conductivity caused by various High energy particles Radiations under complicated space environment condition is weighed the key of spacecraft medium performance quality especially.Research shows, the conductivity of inducing that the space high-energy radiation causes has directly reflected the inner static charge accumulation situation of polymkeric substance and static charge releasability and material insulation property variable condition.When inducing conductivity to continue to raise under the space environment effect, can make the decreasing insulating of medium, and then cause the loss of spacecraft Power Systems.Induce conductivity repeatedly to occur in space can accelerating organic insulation dielectric material ageing failure with disappearance.Particularly, under space high vacuum, large temperature difference environment, the medium deterioration process be can further aggravate, thereby reliability and the life-span of spacecraft internal electron circuit and equipment had influence on.Non-transmissive the induce conductivity of dielectric material under low radiant rays may also can be aggravated the danger that the dielectric material electrostatic field is concentrated and discharged.Causing the charged most important radiation source of Spacecraft Dielectrics in space environment is the electronics of various energy, and the research dielectric material is induced the conductivity variations characteristic under high-energy electron irradiation, significant for the operational reliability and the life-span that guarantee spacecraft.
All the time, the volt-ampere characteristic method is as the method for the measurement conductivity of standard, is widely used in the measurement of dielectric material and power equipment conductivity under various conditions.But use the volt-ampere characteristic method measure under space environmental simulation induce conductivity the time, ordinary electrode can not meet the requirement of inducing the conductivity on-line measurement in the high-energy electron beam irradiation situation.
Summary of the invention
The deficiency existed in order to overcome above-mentioned prior art condition, the object of the present invention is to provide a kind of multi-usage to induce the conductivity measurement high-field electrode, this electrode has under general conductivity measurement purposes and space environmental simulation the multi-usage electrode of while carrying out high-energy electron beam irradiation, inducing the conductivity on-line measurement to use concurrently, it both can adopt general voltammetry, also can adopt the noncontact surface potential to be measured, and can also monitor the high energy electron beam current density simultaneously.
For achieving the above object, the present invention by the following technical solutions:
A kind of Multipurpose induction conductivity measuring electrode, the metal upper shell body 1 and the metal lower shell body 7 that comprise mutual socket, be arranged on disk 2 on the insulating resin that metal upper shell body 1 is also interior and metal upper shell body 1 is fixing, be arranged on insulating resin disk 2 lower ends and and fixing upper electrode rings 8 and the upper shading ring 3 of insulating resin disk 2, be arranged in metal lower shell body 7 and with the fixing insulating resin round platform 11 of ring-like metal lower shell body 7, be arranged on insulating resin round platform 11 upper ends and with the fixing current collecting plates 10 of insulating resin round platform 11, be arranged on current collecting plates 10 lower ends, the line test splice 14 in insulating resin round platform 11 outsides, be arranged in metal lower shell body 7 and with the fixing insulating resin lower disc 6 of metal lower shell body 7, be arranged on insulating resin lower disc 6 upper ends and and fixing bottom electrode ring 9 and the lower shading ring 4 of insulating resin lower disc, the outside one end of described metal upper shell body 1 is provided with for the potentiometric potential test joint 12 of connecting surface, described metal lower shell body 7 one ends are provided with the testing current joint 13 that connects megger, the other end is provided with the zero potential joint 5 be connected with lower shading ring 4, described upper shading ring 3 and lower shading ring 4 one ends all are provided with is convenient to potential test joint 12 and upper electrode rings 8, joint 13 carries out with bottom electrode ring 9 fairlead that wire is connected, described metal upper shell body 1, on insulating resin, disk 2, upper shading ring 3, upper electrode rings 8, bottom electrode ring 9, lower shading ring 4, current collecting plates 10, insulating resin round platform 11, insulating resin lower disc 6 and metal lower shell body 7 are all coaxial, metal upper shell body 1, on insulating resin, disk 2, have coaxial circular hole in the middle of insulating resin lower disc 6 and metal lower shell body 7, metal upper shell body 1 side one end, upper shading ring 3 and upper electrode rings 8 circular hole of opening are coaxial, metal lower shell body 7 two ends, side, lower shading ring 4 and bottom electrode ring 9 to open circular hole coaxial.
Metal described in described metal upper shell body 1 and metal lower shell body 7 is aluminium alloy.
On described insulating resin, the insulating resin described in disk 2, insulating resin lower disc 6 and insulating resin round platform 11 is teflon.
Described current collecting plates 10 is copper disk, and described upper electrode rings 8, bottom electrode ring 9, upper shading ring 3, lower shading ring 4 are copper annulus.
All have a measurement fairlead in described metal lower shell body 7, bottom electrode ring 9, lower shading ring 4 outsides, each hole all coaxial and hole axle and testing current joint 13 and zero potential joint 5 axis in same level at an angle of 90.
On described insulating resin, disk 2 provides pretightning force and metal upper shell body 1 to fix by metal bolts, described insulating resin lower disc 6 provides pretightning force and metal lower shell body 7 to fix by metal bolts, described insulating resin round platform 11 provides pretightning force and metal lower shell body 7 to fix by metal bolts, and described current collecting plates 10 provides pretightning force and insulating resin round platform 11 to fix by metal screw.
On described upper electrode rings 8, upper shading ring 3 and insulating resin, disk 2 adopts insulating resin cementing fixing, and described bottom electrode ring 9, lower shading ring 4 and insulating resin lower disc 6 adopt insulating resin cementing fixing.
The accompanying drawing explanation
Fig. 1 is the section assembling schematic diagram of Multipurpose induction conductivity measuring electrode of the present invention.
Fig. 2 is the three-dimensional assembling schematic diagram of Multipurpose induction conductivity measuring electrode of the present invention.
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and principle of work are described in more detail.
As shown in Figure 1, the present invention is a kind of Multipurpose induction conductivity measuring electrode, comprise metal upper shell body 1 and metal lower shell body 7, be arranged on disk 2 on the insulating resin that metal upper shell body 1 is also interior and metal upper shell body 1 is fixing, be arranged on insulating resin disk 2 lower ends and and fixing upper electrode rings 8 and the upper shading ring 3 of insulating resin disk 2, be arranged in metal lower shell body 7 and with the fixing insulating resin round platform 11 of ring-like metal lower shell body 7, be arranged on insulating resin round platform 11 upper ends and with the fixing current collecting plates 10 of insulating resin round platform 11, be arranged on current collecting plates 10 lower ends, the line test splice 14 in insulating resin round platform 11 outsides, be arranged in metal lower shell body 7 and with the fixing insulating resin lower disc 6 of metal lower shell body 7, be arranged on insulating resin lower disc 7 upper ends and and fixing bottom electrode ring 9 and the lower shading ring 4 of insulating resin lower disc, the outside one end of described metal upper shell body 1 is provided with for the potentiometric potential test joint 12 of connecting surface, described metal lower shell body 7 one ends are provided with the testing current joint 13 that connects megger, the other end is provided with the zero potential joint 5 be connected with lower shading ring 4, described upper shading ring 3 and lower shading ring 4 one ends all are provided with is convenient to potential test joint 12 and upper electrode rings 8, testing current joint 13 carries out with bottom electrode ring 9 fairlead that wire is connected, described metal upper shell body 1, on insulating resin, disk 2, upper shading ring 3, upper electrode rings 8, bottom electrode ring 9, lower shading ring 4, current collecting plates 10, insulating resin round platform 11, insulating resin lower disc 6 and metal lower shell body 7 are coaxial, metal upper shell body 1, on insulating resin, disk 2, have coaxial circular hole in the middle of insulating resin lower disc 6 and metal lower shell body 7, metal upper shell body 1 side one end, upper shading ring 3 and upper electrode rings 8 circular hole of opening are coaxial, metal lower shell body 7 two ends, side, lower shading ring 4 and bottom electrode ring 9 to open circular hole coaxial.
As shown in Figure 2, in described metal lower shell body 7, bottom electrode ring 9, lower shading ring 4 outsides, all have a measurement fairlead, each hole all coaxial and hole axle and testing current joint 13 and zero potential joint 5 axis in same level at an angle of 90.
As shown in Figure 1 and Figure 2, on metal upper shell body 1, insulating resin, disk 2, upper shading ring 3, upper electrode rings 8, bottom electrode ring 9, lower shading ring 4, current collecting plates 10, insulating resin round platform 11, insulating resin lower disc 6 and metal lower shell body 7 are coaxial, have coaxial circular hole in the middle of disk 2, insulating resin lower disc 6 and metal lower shell body 7 on metal upper shell body 1, insulating resin, the high-energy radiation electronics that is designed to like this provides injection channel, facilitates under space environmental simulation the on-line measurement of inducing conductivity and beam current density.
The principle of work of a kind of Multipurpose induction conductivity measuring electrode of the present invention is: when being induced conductivity measurement, upper electrode rings 8 is connected with potential test joint 12 by wire, the external high-voltage power supply of potential test joint 12 or electrostatic voltmeter, bottom electrode ring 9 is connected with testing current joint 13 by wire, the external megger of testing current joint 13, upper shading ring 3 is by wire and lower shading ring 4, zero potential joint 5 connects to shield the surface current of sample, and by zero potential joint 5 ground connection, upper electrode rings 8 and bottom electrode ring 9 are close to sample, current collecting plates 10 connects the teflon wire, by metal lower shell body 7, bottom electrode ring 9, coaxial leads hole on lower shading ring 4 is connected with reometer, settle the high energy electron irradiation device directly over metal upper shell body 1 central authorities, by under volt-ampere characteristic method measure analog space environment, inducing conductivity, and by the beam current density of the radiating electron after sample.
Claims (2)
1. a Multipurpose induction conductivity measuring electrode, it is characterized in that: the metal upper shell body (1) and the metal lower shell body (7) that comprise mutual socket, be arranged on disk (2) on the insulating resin that metal upper shell body (1) is also interior and metal upper shell body (1) is fixing, be arranged on disk on insulating resin (2) lower end and and insulating resin on fixing upper electrode rings (8) and the upper shading ring (3) of disk (2), be arranged in metal lower shell body (7) and with the fixing insulating resin round platform (11) of metal lower shell body (7), be arranged on insulating resin round platform (11) upper end and with the fixing current collecting plates (10) of insulating resin round platform (11), be arranged on current collecting plates (10) lower end, the line test splice (14) in insulating resin round platform (11) outside, be arranged in metal lower shell body (7) and with the fixing insulating resin lower disc (6) of metal lower shell body (7), be arranged on insulating resin lower disc (6) upper end and and fixing bottom electrode ring (9) and the lower shading ring (4) of insulating resin lower disc, the outside one end of described metal upper shell body (1) is provided with for the potentiometric potential test joint of connecting surface (12), described metal lower shell body (7) one ends are provided with the testing current joint (13) that connects megger, the other end is provided with the zero potential joint (5) be connected with lower shading ring (4), described upper shading ring (3) and lower shading ring (4) one ends all are provided with is convenient to potential test joint (12) and upper electrode rings (8), testing current joint (13) carries out with bottom electrode ring (9) fairlead that wire is connected, described metal upper shell body (1), disk on insulating resin (2), upper shading ring (3), upper electrode rings (8), bottom electrode ring (9), lower shading ring (4), current collecting plates (10), insulating resin round platform (11), insulating resin lower disc (6) and metal lower shell body (7) are all coaxial, metal upper shell body (1), disk on insulating resin (2), have coaxial circular hole in the middle of insulating resin lower disc (6) and metal lower shell body (7), metal upper shell body (1) side one end, upper shading ring (3) and upper electrode rings (8) circular hole of opening are coaxial, metal lower shell body (7) two ends, side, it is coaxial that lower shading ring (4) and bottom electrode ring (9) are opened circular hole.
2. electrode according to claim 1, it is characterized in that: the metal described in described metal upper shell body (1) and metal lower shell body (7) is aluminium alloy.
3. electrode according to claim 1, it is characterized in that: the insulating resin described in disk on described insulating resin (2), insulating resin lower disc (6) and insulating resin round platform (11) is teflon.
4. electrode according to claim 1, it is characterized in that: described current collecting plates (10) is copper disk, and described upper electrode rings (8), bottom electrode ring (9), upper shading ring (3), lower shading ring (4) are copper annulus.
5. according to the described electrode of claim 2 to 4 any one, it is characterized in that: all have a measurement fairlead in described metal lower shell body (7), bottom electrode ring (9), lower shading ring (4) outside, the axis of each hole coaxial and hole axle and testing current joint (13) and zero potential joint (5) in same level at an angle of 90.
6. according to the described electrode of claim 2 to 4 any one, it is characterized in that: disk on described insulating resin (2) provides pretightning force and metal upper shell body (1) to fix by metal bolts, described insulating resin lower disc (6) provides pretightning force and metal lower shell body (7) to fix by metal bolts, described insulating resin round platform (11) provides pretightning force and metal lower shell body (7) to fix by metal bolts, and described current collecting plates (10) provides pretightning force and insulating resin round platform (11) to fix by metal screw.
7. according to the described electrode of claim 2 to 4 any one, it is characterized in that: on described upper electrode rings (8), upper shading ring (3) and insulating resin, disk (2) adopts insulating resin cementing fixing, and described bottom electrode ring (9), lower shading ring (4) and insulating resin lower disc (6) adopt insulating resin cementing fixing.
8. according to the described electrode of claim 2 to 4 any one, it is characterized in that: upper electrode rings (8), bottom electrode ring (9), upper shading ring (3), lower shading ring (4), metal lower shell body (7) one ends provide pretightning force to be connected with wire by metal bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104562184A CN102539920B (en) | 2011-12-21 | 2011-12-21 | Multipurpose induction conductivity measuring electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104562184A CN102539920B (en) | 2011-12-21 | 2011-12-21 | Multipurpose induction conductivity measuring electrode |
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| Publication Number | Publication Date |
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| CN102539920A CN102539920A (en) | 2012-07-04 |
| CN102539920B true CN102539920B (en) | 2013-12-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104267064A (en) * | 2014-09-04 | 2015-01-07 | 兰州空间技术物理研究所 | Sensor for in-orbit monitoring of spacecraft surface potential |
| CN106885976B (en) * | 2017-04-10 | 2017-12-08 | 中国人民解放军军械工程学院 | Electric field-sensitive type insulating materials static properties test device and system |
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| KR20060119772A (en) * | 2005-05-17 | 2006-11-24 | 와이케이케이 가부시끼가이샤 | Electric connector, unit for covering its connected part between two terminals, storage cell and bus bar equipped with them |
| CN101968511B (en) * | 2010-09-27 | 2012-11-28 | 成都理工大学 | Small electrode experiment device for measuring resistivity of mineral and solid insulating material |
| CN102147431A (en) * | 2010-12-31 | 2011-08-10 | 中国航天科技集团公司第五研究院第五一○研究所 | Device for measuring radiation induction electric conductivity parameter of material |
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