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System suitable for testing surface polarization effect between solid-phase samples and current electrodes

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CN105785478A
CN105785478A CN 201610226793 CN201610226793A CN105785478A CN 105785478 A CN105785478 A CN 105785478A CN 201610226793 CN201610226793 CN 201610226793 CN 201610226793 A CN201610226793 A CN 201610226793A CN 105785478 A CN105785478 A CN 105785478A
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unit
measurement
voltage
solid
wave
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CN 201610226793
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赵斌
孙中华
莫婉玲
金泳
徐娅
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华中科技大学
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V13/00Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by the preceding groups

Abstract

The present invention belongs to the field of the electrical method geology prediction correlation technology, and discloses a system suitable for testing a surface polarization effect between solid-phase samples and current electrodes. The system comprises a signal generation unit, a sample measurement unit, a data acquisition unit and a central processing unit. The signal generation unit is configured to generate sine-wave voltage signals with constant amplitude and changed frequency, then amplify the sine-wave voltage signals with the constant amplitude and the changed frequency and convert the sine-wave voltage signals with the constant amplitude and the changed frequency to the sine-wave voltage signals with the constant amplitude. The sample measurement unit is configured to load the sine-wave voltage signals on the interface between the power supply electrode and the solid-phase sample to induce a polarization effect, a plurality of measurement electrodes are inserted into the solid-phase sample at an equal interval, and the voltage between each measurement point and the power supply electrode is measured. The data acquisition unit is configured to collect measurement data in multi-path mode, and transmit the measurement data to the central processing unit to obtain results. According to the invention, the special requirement of the surface polarization effect test between solid-phase samples and current electrodes can be satisfied, and the accuracy of the results of the advanced geology prediction is improved.

Description

-种适用于测试固相试样与供电电极么间面极化效应的系统 - species suitable for inter-system polarization effects of the test surface of the sample and the solid phase power supply electrodes it

技术领域 FIELD

[0001] 本发明属于电法地质预测相关技术领域,更具体地,设及一种适用于测试固相试样与供电电极之间面极化效应的系统。 [0001] The present invention belongs to Geologic Prediction of the related art, and more particularly, to a system provided and one for the polarization effects of surface between the test sample and solid phase power supply electrodes.

背景技术 Background technique

[0002] 在地质勘查领域,通常会使用到激发极化法来根据岩、矿石的激发极化效应W便寻找金属矿物和解决水文地质、工程地质等问题。 [0002] In the field of geological prospecting, often used to be based on rock induced polarization method, induced polarization effect of W ore minerals and metals will seek to resolve hydrogeology, engineering geology and other issues. 激发极化法可分为时间域激发极化法和频率域激发极化法两种类型,其中Beam超前地质预测是W频率域激发极化法为基础,是TBM 隧道掘进中常用的一种超前地质预报方法,其通过采用适当的超前地质预测技术,有利于探明前方地质情况,做好相应的防护措施,从而确保施工安全正常进行。 Induced polarization can be divided into time and frequency domain IP domain induced both types of polarization, wherein W is predicted Beam Geological frequency domain IP-based, TBM tunneling is commonly used in lead forecast of Geology, by the use of appropriate advance geology prediction techniques have proven beneficial geological conditions in front, make the appropriate protective measures to ensure construction safety normally.

[0003] Beam超前地质体预测在我国尚处于研发初步阶段,为有效提高测试准确性,亟待改进和提高其测试技术。 [0003] Beam advance geological prediction in China is still in the preliminary stages of development, in order to improve the accuracy of the test, the test needs to be improved and to improve their technology. 目前,现有技术中的Beam法是将供电电极安装在TBM护盾上,整个设备作为电流发射源与周围介质接触,并直接测量护盾电压。 Currently, the prior art method is Beam mounted on the powered electrode shield TBM, the entire apparatus as an emitter current source in contact with the surrounding medium, and the shield voltage is measured directly. 由于通电情况下护盾与围岩之间存在着很大的面极化效应,而运种面极化效应相对于地质体总极化效应来说较大,运种面极化电压又是直接叠加在护盾与另一端供电电极之间电回路的电压上,因此护盾的面极化会直接影响到超前探测的准确性。 Due to the presence of the shield case of power between the surrounding rock and the effect of large polarization plane, the polarization effect transported species relative to the total surface polarization effect is large geological body, seed transport plane polarization voltage is directly electrical circuit superimposed on the voltage between the shield and the other end of the feed electrode, the polarization plane of the shield will directly affect the accuracy of the advanced detection. 现有的面极化实验测试都是在供电电极和液体之间的界面进行,而对于固态试样与供电电极之间的面极化效应测量,由于在固体试样中测量电极不可能像在液体中那样自由移动,因此不能无限接近固体供电电极表面,造成现有的面极化实验测试方案难W较好地符合实际工况。 Existing experimental tests are plane polarized at the interface between the powered electrode and a liquid, and for measuring the polarization effect between the surface of the solid sample and the feeding electrode, since the measuring electrode in the solid sample can not, as in as the liquid is free to move, the supply can not be infinitely close to the electrode surface of the solid, resulting in a conventional polarization plane W hard experimental test program in good agreement with the actual working conditions.

发明内容 SUMMARY

[0004] 针对现有技术的W上缺陷或改进需求,本发明提供了一种适用于测试固相试样与供电电极之间面极化效应的系统,其中通过对其整体测量原理尤其是多个关键组件的结构组成及其设置方式等进行研究和设计,相应能够较好地满足固相试样与供电电极之间的面极化效应测试特有要求,并与现有技术相比可显著提高超期地址预测的结果准确度,同时具备结构紧凑、便于操控和工作效率高等优点。 [0004] The demand for improved defect or W on the prior art, the present invention provides a suitable polarization effects between the test sample and solid phase surface feeding electrode system, wherein the measuring principle by its integral multiple, especially structural composition and arrangement of the other critical components of research and design accordingly can satisfy requirements specific surface polarization effect between the test sample and solid phase power supply electrodes, and significantly improved as compared with the prior art extended address prediction accuracy of the results, along with the compact, easy to control and the working efficiency.

[0005] 为实现上述目的,按照本发明,提供了一种适用于测试固相试样与供电电极之间面极化效应的系统,其特征在于,该系统包括信号发生单元、信号放大单元、试样测量单元、 数据采集单元和中央处理单元,其中: [0005] To achieve the above object, according to the present invention, there is provided a system suitable for a plane polarization effects between the test sample and solid phase power supply electrodes, characterized in that the system includes a signal generation unit, the signal amplification unit, specimen measurement unit, a data acquisition unit and a central processing unit, wherein:

[0006] 所述信号发生单元用于产生幅值恒定且频率变化的正弦波电压信号,其一端与所述中央处理单元信号相连,另一端与所述信号放大单元相连并输出正弦波电压信号;所述信号放大单元用于接收和放大所输入的正弦波电压信号,并将其转换为相对应的正弦波电流信号继续输出; [0006] said signal generating means for generating a constant amplitude and varying frequency sine wave voltage signal, having one end connected to the central signal processing unit, the other end of the signal amplifying means and an output coupled to the sine wave voltage signal; the sine wave voltage signal amplifying means for amplifying the signal received and the input, and converts a sine wave current output signal corresponding to continue;

[0007] 所述试样测量单元包括物料筒、供电电极和测量电极,其中该物料筒由绝缘材料制成,并在其内部填充有待测试的固相试样;该供电电极相互对置地安装在所述物料筒的左右两侧,并各自通过侧向凸出的结构件插入至固相试样与之相接触;此外,所述信号放大单元、供电电极和固相试样一同形成回路,并且所述信号放大信号输出的正弦波电流信号被加载至所述供电电极与所述固态试样之间的界面上,并在交变电场中产生激发极化效应;该测量电极的数量为多个,它们分别从所述物料筒的顶部插入至固相试样中与之相接触,并且所有测量电极之间保持等距分布,由此用于对固态试样上各测量点与所述供电电极之间的电压值等相关信息进行实时测量; [0007] The measuring unit comprises a sample tube of material, and measuring the electrode power supply electrode, wherein the cylindrical material made of an insulating material, and the solid phase is packed inside a sample to be tested; the feeding electrode mounted opposite each other left and right sides of the tube material, and projecting laterally through each structural member is inserted into the sample to a solid phase in contact therewith; in addition, the signal amplifying means, a sample and a solid phase power supply electrodes together to form a loop, and sine wave current signal output from the signal amplified signal is loaded into the interface between the power supply electrode and the solid sample, and generates the induced polarization effects in the alternating electric field; the number of the plurality of electrodes is measured , which are inserted from the top of the feed tube to a solid phase in a sample in contact therewith, and maintaining all the measurements equally spaced between the electrodes, whereby for each measurement point and the feeding electrode of a solid sample the voltage value between the real-time measurements and other related information;

[0008] 所述数据采集单元的一端与所述中央处理单元信号相连,另一端设置有多个数据采集通道,运些数据采集通道与所述测量电极一一相对应,并用于对各个所述测量电极的测量数据进行采集,然后将相应信号输送至所述中央处理单元;该中央处理单元用于向所述信号发生单元提供用于产生不同正弦波电压信号的信号,同时接收、存储和处理来自所述数据采集单元信号,进而计算得出固相试样与供电电极之间的面极化效应值。 [0008] The data collection unit of one end of the central signal processing unit and the other end is provided with a plurality of data acquisition channels, transport channels and some of the measurement data acquisition electrodes one correspondence, and for each of the measurement data acquisition electrodes, and deliver a corresponding signal to the central processing unit; the central processing unit for providing a signal for generating a different sine wave voltage signal to said signal generating means simultaneously receive, store and process the signal data acquisition unit, and further the solid phase surface is calculated between the sample value of the polarization effect of the electrodes from the power supply.

[0009] 作为进一步优选地,所述供电电极、测量电极优选由钢材料制成。 [0009] As a further preferably, the power supply electrode, measuring electrodes are preferably made of steel material.

[0010] 作为进一步优选地,所述信号放大单元优选为恒流源。 [0010] As a further preferred, the signal amplifying unit is preferably a constant current source.

[0011] 作为进一步优选地,所述固相试样与供电电极之间的面极化效应值优选按照W下公式进行计算: [0011] As a further preferred, the solid phase surface preferably between the value of the polarization effect of the sample and the electrode power W calculated according the following equation:

[0012] [0012]

Figure CN105785478AD00041

[OOU] 其中,%康示所述固相试样与供电电极之间的面极化效应值;&1.凡,.表示固相试样与供电电极之间的低频电阻,其单位为欧姆;表示固相试样与供电电极之间的高频电阻,其单位为欧姆。 [OOU] wherein% of the shown solid surface Kang polarization effects between the sample value and the power supply electrode; 1 & Where, represents the low resistance between the sample and the solid phase power supply electrodes, which ohms.; It represents a high frequency resistance between the solid phase and the feeding electrode sample, in units of ohms.

[0014] 总体而言,通过本发明所构思的W上技术方案与现有技术相比,通过对其整体测量原理特别是多个关键组成单元,譬如试样测量单元的结构组成及设置方式W及信号发生单元的工作参数等方面进行研究和设计,能够有效克服现有设备中固体试样中测量电极不能自由移动等问题,较好地满足固相试样与供电电极之间的面极化效应测试的特有要求, 同时具备结构紧凑、便于操控和工作效率高等优点,因而尤其适用于固相试样与供电电极之间的面极化效应测试用途,同时也可应用于其他相与电极之间界面的高精度极化特性研究场合。 [0014] In general, the present invention contemplated by the W compared with the prior art technical solutions, in particular by a plurality of integral key measurement principle constituent units thereof, such as composition and structure arrangement specimen measurement unit W and other aspects of the signal generating unit operating parameters were studied and designed to overcome the problems such as the electrode can not move freely in the conventional apparatus in measuring a solid sample, satisfy polarization plane between the sample and the solid phase power supply electrodes effect of test-specific requirements, along with compact, easy to control and high work efficiency, and therefore especially suitable for use between the surface of the polarization effect of the test sample and solid phase power supply electrodes, also be applied to other phase electrodes Study If high accuracy interface between the polarization characteristics.

附图说明 BRIEF DESCRIPTION

[0015] 图1是按照本发明所构建的适用于测试固相试样与供电电极之间极化效应的系统的整体构造示意图; [0015] FIG. 1 is an overall configuration diagram of a system between the sample and the polarization effects of the power supply electrode constructed in accordance with the present invention is applicable to test a solid phase;

[0016] 图2是用于更具体地显示图1中所示物料筒的结构剖视图; [0016] FIG. 2 is a more specifically shows the structure of the material of the cartridge shown in FIG. 1 in a sectional view;

[0017] 图3是按照本发明优选实施例的供电电极的结构剖视图; [0017] FIG. 3 is a cross-sectional view of a power supply electrode according to a preferred embodiment of the present invention;

[0018] 图4更为具体地显示了图1中固相试样的测量应用场景示意图。 [0018] FIG. 4 shows more particularly the solid phase of the sample 1 measured schematic application scenario.

[0019] 在所有附图中,相同的附图标记用来表示相同的元件或结构,其中: [0019] Throughout the drawings, like reference numerals are used to designate the same elements or structures, wherein:

[0020] 1-信号发生单元2-信号放大单元3-试样测量单元4-数据采集单元5-中央处理单元31-物料筒32-供电电极33-测量电极321-圆柱体322-通孔 [0020] 1- signal generation unit signal amplifying unit 2- 3- 4- specimen measurement data acquisition unit means a central processing unit 31- 5- 32- tubular material supply electrode measurement electrode 33 through hole 321 of the cylinder 322-

具体实施方式 detailed description

[0021] 为了使本发明的目的、技术方案及优点更加清楚明白,W下结合附图及实施例,对本发明进行进一步详细说明。 [0021] To make the objectives, technical solutions and advantages of the present invention will become more apparent from, the accompanying drawings and embodiments W, of the present invention will be further described in detail. 应当理解,此处所描述的具体实施例仅仅用W解释本发明,并不用于限定本发明。 It should be understood that the specific embodiments described herein are only used to explain the present invention W, not intended to limit the present invention. 此外,下面所描述的本发明各个实施方式中所设及到的技术特征只要彼此之间未构成冲突就可W相互组合。 Further, the present invention is described below in various embodiments and are provided to the technical features of W can be combined with one another as long as no conflict with each other configuration.

[0022] 图1是按照本发明所构建的适用于测试固相试样与供电电极之间极化效应的系统的整体构造示意图。 [0022] FIG. 1 is a configuration diagram showing an overall system suitable for polarization effects between the test sample and solid phase power supply electrodes constructed in accordance with the present invention. 如图1中所示,该系统主要包括信号发生单元1、信号放大单元2、试样测量单元3、数据采集单元4和中央处理单元5等,下面对运些组成部分逐一进行具体解释说明。 As shown in FIG. 1, the system mainly comprises a signal generation unit 1, the signal amplification unit 2, a sample measurement unit 3, the data acquisition unit 4 and a central processing unit 5 and the like, the following operational component parts described more specifically explained one by one .

[0023] 信号发生单元1譬如为信号发生器的形式,并用于产生幅值恒定且频率变化的正弦波电压信号,它的一端与中央处理单元5信号相连,另一端譬如为正、负极,并分别与信号放大单元2的正、负极相连,并输出正弦波电压信号。 [0023] The signal generating unit 1 in the form of such a signal generator, and for generating a constant amplitude and frequency of the sine wave voltage signal varying its one end connected to a central signal processing unit 5, and the other end such as positive, negative, and respectively positive signal amplifying unit 2 is connected to the negative electrode, and the output voltage of the sine wave signal.

[0024] 信号放大单元2譬如呈恒流源的形式,并用于接收和放大所输入的正弦波电压信号,并将其转换为相对应的正弦波电流信号继续输出,也即保持原有的幅值恒定和频率。 [0024] The signal amplification unit 2 for example in the form of a constant current source, and for receiving and amplifying the sine-wave voltage signal input, and converts it into a current signal corresponding to the sine wave continues to output, to maintain the original web i.e. constant value and frequency. 然后,该正弦波电流信号通过恒流源的正、负极加载到下面将具体说明的供电电极与固相试样之间的界面上,并在交变电场中产生激发极化效应。 Then, the sinusoidal current signal constant current source of the positive and negative load supply to the interface between the electrode will now be described specifically with a solid phase sample, and generates the induced polarization effects in the alternating electric field.

[0025] 作为本发明的另一关键组件,试样测量单元3包括物料筒31、供电电极32和测量电极33等。 [0025] As another key component of the present invention, a sample measuring unit 3 comprises a tube of material 31, measuring electrode 32 and the power supply electrode 33 and the like. 具体而言,如图2中所示,物料筒31譬如呈立方体结构由绝缘材料制成,中间开有一定尺寸的圆柱通孔,并在其内部填充有待测试的固相试样;在物料筒31的顶部,开有多个(图2中显示为5个)等距分布的螺孔,运些螺孔分别用于插入测量电极。 Specifically, as shown in FIG. 2, the material 31 such as a cylinder cubic structure made of insulating material, an intermediate opening has a cylindrical through hole of a certain size, to be filled in the interior thereof and the solid phase of the test specimen; the tube material the top 31, with a plurality (as shown in FIG. 2 5) equally spaced holes, these holes are transported for insertion into the measuring electrode. 此外,该物料筒的左右两侧分别开有对称的多个螺孔,供电电极32上开有对应的通孔,由此使得两个供电电极相互对置地安装在物料筒的两侧,并各自通过侧向凸出的结构件插入至固相试样与之相接触。 Further, the left and right sides of the material tube, respectively, with substantially symmetrical plurality of screw holes and a through hole corresponding to the supply electrodes 32, thereby causing two supply electrodes mounted opposite each other on both sides of the material tube, and each projecting through the lateral structural member is inserted into the sample to a solid phase in contact therewith. 当将譬如为岩样的固相试样装进物料筒之后,两个供电电极上套上密封圈,凸出的结构件(优选为圆柱体)的上表面插入待测试样两端与之接触。 When the upper surface of the structural member (preferably a cylinder) will be such as rock sample after the sample was put into a solid phase material cylinder, two power supply electrodes put on the ring, to be inserted into the protruding ends with a test sample contact. 然后用螺钉通过供电电极上的通孔插入物料筒上对应的螺孔并梓紧,使得供电电极与岩样充分接触。 Then screw inserted through the through hole corresponding to the power supply electrode material and Zi tight cylindrical holes, so that the power supply electrodes in contact with the rock sample sufficiently. 对于测量电极33而言, 它的数量为多个并分别从物料筒31的顶部插入至固相试样中与之相接触,由此形成多个相互独立的测量点并且所有测量电极之间保持等距分布。 For purposes of measuring electrode 33, and its number are inserted into a plurality of tube 31 from the top of the material sample to a solid phase in contact therewith, thereby forming a plurality of independent measurement points and all held between the measuring electrode equally spaced.

[0026] 按照本发明的一个优选实施例,如图3中所示,对于直接影响到测量结果精度的供电电极而言,在本发明中优选被设计为:圆盘被直线截取下面一小部分后所余留的结构,并且在该结构的侧面上不仅设有多个通孔322用于嵌入螺钉与物料筒相组合,而且在中央区域还设有横向突出的圆柱体321W便充分插入至固态试样之中,相应地,在保证与固相试样之间的充分接触的同时,还有助于提高整个测量过程的可靠性和精确度。 [0026] According to a preferred embodiment of the present invention, shown in Figure 3, for supply electrodes directly affects the accuracy of the measurement result, in the present invention is preferably designed to: small discs were taken following a straight portion after leaving the remainder of the structure, and not only in combination with a plurality of through holes 322 for inserting screws material cylinder on the side of the structure, but also in the central region it is provided with laterally projecting cylindrical 321W will be fully inserted to the solid among the sample, respectively, at the same time ensure sufficient contact between the sample and a solid phase, also help to improve the reliability and accuracy of the whole measurement process.

[0027] 数据采集单元4譬如为信号采集卡,该采集卡的一端与中央处理单元5信号相连, 另一端设置有多个数据采集通道,运些数据采集通道与各个测量电极33-一相对应,由此同时各个测量电极的测量数据进行采集,然后将相应信号输送至中央处理单元。 [0027] The data acquisition unit 4 such as signal acquisition card, one end of the acquisition card and the central processing unit 5 is connected to a signal, and the other end is provided with a plurality of data acquisition channels, transport channels and the respective data acquisition These measuring electrode 33 corresponding to a , thereby simultaneously measuring each of the data electrodes are collected, then conveyed corresponding signal to the central processing unit.

[0028] 中央处理单元5用于向信号发生单元提供用于产生不同正弦波电压信号的信号, 同时接收、存储和处理来自数据采集单元4的所有信号,进而计算得出固相试样与供电电极之间的面极化效应值,相应地,可在此中央处理单元上读出不同频率下各个通道的电压值, 同时包括测试时间、视极化率等信息。 [0028] The central processing unit 5 for providing a signal generation unit for generating a sine wave voltage signals of different signal while receiving, storing and processing all signals from the data acquisition unit 4, and then the sample with the solid phase calculated power value between the surface electrode polarization effects, respectively, may be read voltage values ​​of the respective channels at different frequencies on this central processing unit, including both the test time, depending on the polarization information rate. 例如,可由上述所测得的五个测量电极的电压值,根据各测量电极和供电电极之间的几何距离,通过外推的方法可得整个试样介质两端的电压值。 For example, from the above measured value of the five measured voltage electrodes, according to the geometrical distance between the measuring electrode and the power supply electrode, the method can be obtained by extrapolation of the voltage value across the entire sample medium. 两个供电电极的电压值减去试样介质的电压值之差即得面电压。 The voltage difference between the voltage value minus the value of the two power supply electrodes to obtain sample medium voltage plane.

[0029] 下面将W含水量一定的高岭±为测试试样,钢材质制成的供电电极,钢材质制成的测量电极,W及电流密度一定的实验条件下,具体说明面极化的测量和计算。 [0029] W will be a certain moisture content of kaolin ± test specimens, the power supply electrodes made of steel, the measuring electrode made of steel, and W at a current density of certain experimental conditions, described specifically polarization plane measured and calculated.

[0030] 基于本专利申请W上所建立的面极化测试系统,可由信号采集卡采集得到不同频率下,供电电极两端、W及五个测量电极电压随时间变化的瞬时值,经过运算处理得到电压幅值。 [0030] surface of the polarization test system of the present patent application W established based on signal acquisition card can be obtained at different frequencies, both ends of the power supply electrode, W, and the instantaneous value of five measuring electrode voltage changes with time, through operation processing get voltage amplitude.

[0031] 具体而言,可W将标准纯电阻Ro串联在整个电路中,用于标定通过整体测量体系的电流。 [0031] Specifically, W can be a standard pure resistance Ro connected in series throughout the circuit, for calibrating the measuring current through the entire system. 安装在物料筒两端供电电极为A、B,供电电极与试样接触电阻分别为化1、化2。 In the material supply cylinder is mounted at both ends of the electrodes A, B, the contact resistance of the power supply electrode and the sample are of 1, 2 of the.

[0032] 在交流供电条件下测得的供电电极A端电压值为,B端电压值为。 [0032] In the AC power supply condition, measured value of the terminal voltage of electrode A, B terminal voltage value.

[0033] 如图4中所示,将所有五个测量电极从左到右依次命名为第一测量电极、第二测量电极、第=测量电极、第四测量电极和第五测量电极,其中第一测量电极处采集的电压值为,第五测量电极处采集到的电压值为从第一测量电极到右侧供电电极的阻抗为幻,从第一测量电极到左侧供电电极的阻抗为Z3,第一测量电极到第五测量电极之间的阻抗为Z2。 [0033] As shown in FIG. 4, the left to right all five measurement electrodes termed a first measuring electrode, a second measuring electrode, the measuring electrode = first, fourth and fifth measuring electrode of the measuring electrode, wherein the first a voltage measuring electrode is acquired, the acquisition fifth measuring electrode to a voltage value from the first impedance measuring electrode to the right of the feeding electrode is magic, the first measuring electrode impedance to the left of the feeding electrode Z3 , the impedance between the first measuring electrode to the fifth measurement electrode Z2. 此外,通过整个串联电路的电流为 Further, the entire current through the series circuit of

[0034] 根据串联电路原理,可W得到公式(1)、(2)、(3)、(4): [0034] The principle of the series circuit, the W results in Equation (1), (2), (3), (4):

Figure CN105785478AD00061

[0035] (1) [0035] (1)

[0036] (2) [0036] (2)

[0037] 巧) [0037] Qiao)

[00;3 引(4) [00; Primer 3 (4)

[0039] [0039]

[0040] 拼 [0040] fight

[0041] (6) [0041] (6)

[0042] (7) [0042] (7)

[0043] 其中复数电压户1、F3、戸^通过信号采集卡采集得到。 [0043] wherein the plurality of voltage households 1, F3, Kobe ^ obtained by the signal acquisition card.

[0044] 总的复数电流i,可通过公式(1)求得。 [0044] The total complex current i, may be (1) determined by the equation.

[0045] 由公式(2)、(3)、(4)通过多项式加减运算,可推出第一测量电极到第五测量电极之间,总长为4d(即第一测量电极到第五测量电极之间的间距)的介质的阻抗Z2。 [0045] by equation (2), (3), (4) addition and subtraction by a polynomial, it can be introduced between the first measuring electrode to fifth measuring electrode, a total length of 4d (i.e. the first measurement electrode to fifth measuring electrode spacing between) the impedance Z2 medium. 此外,第一测量电极到相邻物料筒边缘距离、W及第五测量电极到相邻物料筒边缘距离均优选被设定为d/2。 Further, the first measuring electrode to the material from the edge of the cartridge, W, and a fifth measuring electrode adjacent to the adjacent edges of material from each cylinder is preferably set to d / 2.

[0046] 则对于介质而言,得到公式(8): [0046] For the medium, to give Equation (8):

[0047] (8) [0047] (8)

Figure CN105785478AD00071

[0050] 供电电极与测试试样接触界面上的面极化率: [0050] surface of the polarization electrode and the power supply contact interface test specimens:

[004引巧得到Rs1、Rs2,即供电电极与介质接触界面上的阻抗。 [004 lead skillfully obtained Rs1, Rs2, i.e. the impedance of the power supply on the medium in contact with the electrode interface.

[0049] (9) [0049] (9)

[005。 [005.

Figure CN105785478AD00072

(HJ) (HJ)

[0052] 其中,表示所述固相试样与供电电极之间的面极化效应值;馬Ww表示固相试样与供电电极之间的低频电阻,其单位为欧姆;馬Wg,表示固相试样与供电电极之间的高频电阻,其单位为欧姆;相应地,得W高精度、快捷地求出了供电电极与固体试样界面上激发极化效应大小。 [0052] wherein represents the solid surface between the polarization effect with the sample values ​​and the feeding electrode; Ma Ww represents the low resistance between the sample and the solid phase power supply electrodes, which ohms; Wg of the horse, showing solid phase high-frequency resistance between the sample and the power supply electrode ohms; accordingly give W accurately and quickly determine the power feed electrode on the solid sample interface induced polarization effect size.

[0053] 本领域的技术人员容易理解,W上所述仅为本发明的较佳实施例而已,并不用W 限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。 [0053] Those skilled in the art will readily appreciate that the embodiments of the present invention, W is only the preferred embodiments only, not to limit the invention by W, any modifications within the spirit and principle of the present invention, equivalent replacements and modifications shall fall within the protection scope of the present invention.

Claims (4)

1. 一种适用于测试固相试样与供电电极之间面极化效应的系统,其特征在于,该系统包括信号发生单元(1)、信号放大单元(2)、试样测量单元(3)、数据采集单元(4)和中央处理单元(5),其中: 所述信号发生单元(1)用于产生幅值恒定且频率变化的正弦波电压信号,其一端与所述中央处理单元(5)信号相连,另一端与所述信号放大单元(2)相连并输出正弦波电压信号;所述信号放大单元(2)用于接收和放大所输入的正弦波电压信号,并将其转换为相对应的正弦波电流信号继续输出; 所述试样测量单元(3)包括物料筒(31)、供电电极(32)和测量电极(33),其中该物料筒(31)由绝缘材料制成,并在其内部填充有待测试的固相试样;该供电电极(32)相互对置地安装在所述物料筒(31)的左右两侧,并各自通过侧向凸出的结构件插入至固相试样与之相接触;此外,所述信号放大单元(2) A system suitable for surface polarization effect between the test sample and solid phase power supply electrodes, characterized in that the system includes a signal generating unit (1), the signal amplification unit (2), a sample measurement unit (3 ), the data acquisition unit (4) and a central processing unit (5), wherein: said signal generating means (1) for generating a constant amplitude and frequency of the sine wave voltage signal variation, one end of said central processing unit ( 5) signal is connected to the other end of said signal amplification unit (2) and is connected to the output voltage of the sine wave signal; the signal amplification unit (2) for receiving and amplifying the sine-wave voltage signal input, and converts it to corresponding sine wave current signal continues to be output; the sample measuring unit (3) comprises a cylindrical material (31), the feeding electrode (32) and the measuring electrode (33), wherein the material tube (31) made of an insulating material, and the solid phase is packed inside a sample to be tested; the feeding electrode (32) mounted opposite each other in said cylindrical material (31) of the left and right sides, and each projecting through the lateral member is inserted into a solid structure phase samples in contact therewith; Furthermore, the signal amplification unit (2) 供电电极(32)和固相试样一同形成回路,并且所述信号放大信号输出的正弦波电流信号被加载至所述供电电极与所述固态试样之间的界面上,并在交变电场中产生激发极化效应;该测量电极(33)的数量为多个,它们分别从所述物料筒(31)的顶部插入至固相试样中与之相接触,并且所有测量电极之间保持等距分布,由此用于对固态试样上各测量点与所述供电电极(32)之间的电压值等相关信息进行实时测量; 所述数据采集单元(4)的一端与所述中央处理单元(5)信号相连,另一端设置有多个数据采集通道,这些数据采集通道与所述测量电极一一对应,并用于对各个所述测量电极的测量数据进行采集,然后将相应信号输送至所述中央处理单元; 所述中央处理单元用于向所述信号发生单元(1)提供用于产生不同正弦波电压信号的信号,同时接收、存储和处理来自所 Feeding electrode (32) and the solid phase with the sample to form a loop, and a sinusoidal current signal of the output signal is amplified signal loaded onto the interface between the power supply electrode and the solid sample, and the alternating electric field induced polarization effect is generated; the number of measuring electrodes (33) into a plurality of which are inserted from the top of the feed tube (31) of the sample to the solid phase in contact therewith, and all the measuring electrode is maintained between the equally spaced, whereby the voltage-related information for each measurement point between the feeding electrode (32) on a solid sample or the like real-time measurements; end of the data acquisition unit (4) and the central a processing unit (5) is connected to the signal, and the other end is provided with a plurality of channels of data acquisition, data acquisition channel correspondence with the measurement electrode and the measurement data acquisition for each of the measuring electrodes and the respective signal is sent to said central processing unit; said central processing unit for providing a signal for generating a different sine wave voltage signal to said signal generating means (1), while the receiving, storage and handling from the 数据采集单元(4)的信号,进而计算得出固相试样与供电电极之间的面极化效应值。 Signal data acquisition unit (4), and then the calculated value plane polarization effects between the sample and the solid phase power supply electrodes.
2. 如权利要求1所述的适用于测试固相试样与供电电极之间面极化效应的系统,其特征在于,所述供电电极、测量电极优选由钢材料制成。 As claimed in claim 1 is applied to a surface system polarization effects between the test sample and solid phase power supply electrodes, characterized in that said supply electrode, measuring electrodes are preferably made of steel material.
3. 如权利要求1或2所述的适用于测试固相试样与供电电极之间面极化效应的系统,其特征在于,所述信号放大单元优选为恒流源。 As claimed in claim 1 or 2 applies to the system plane polarization effects between the test sample and solid phase power supply electrodes, wherein the signal amplifying unit is preferably a constant current source.
4. 如权利要求1-3任意一项所述的适用于测试固相试样与供电电极之间面极化效应的系统,其特征在于,所述固相试样与供电电极之间的面极化效应值优选按照以下公式进行计算: 4. any one of claims 1-3 suitable for use in the system of the polarization effect of surface between the test sample and solid phase power supply electrodes, wherein said solid surface with the sample between the feeding electrode value is preferably calculated polarization effects according to the following formula:
Figure CN105785478AC00021
其中,表不所述固相试样与供电电极之间的面极化效应值;表不固相试样与供电电极之间的低频电阻,其单位为欧姆w,表示固相试样与供电电极之间的高频电阻, 其单位为欧姆。 Wherein said table is not a solid surface between the polarization effect with the sample values ​​and the feeding electrode; table is not solid-phase low resistance between the sample and the power supply electrode ohms w, represents the sample with the solid phase power high-frequency resistance between the electrodes, which ohms.
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