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CN203965301U - An electrochemical test probe - Google Patents

An electrochemical test probe Download PDF

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Publication number
CN203965301U
CN203965301U CN201420405531.4U CN201420405531U CN203965301U CN 203965301 U CN203965301 U CN 203965301U CN 201420405531 U CN201420405531 U CN 201420405531U CN 203965301 U CN203965301 U CN 203965301U
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electrode
constant temperature
temperature water
electrochemical test
test probe
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Expired - Fee Related
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Chinese (zh)
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吕亚玲
檀玉
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North China Electric Power University
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North China Electric Power University
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Abstract

本实用新型涉及一种用于金属腐蚀的电化学参数测量工具,特别是涉及一种电化学测试探头。包括探头外壳、电极及接线端子,在探头外壳内设有电解液槽,电解液槽内盛装有电解液,在探头外壳左右两侧对称设有两个磁性表座,每个磁性表座上设有一个磁性表座开关,同时在电解液槽外部套装有恒温水槽,在恒温水槽的下部设有恒温水进口,恒温水槽的上部设有恒温水出口,并且该恒温水进口和恒温水出口分别贯穿探头外壳正面。本实用新型安装简便、稳固可靠,操作使用方便,并且电解液温度恒定,测量结果准确高,而且制作简单,成本较低,可广泛用于各高校或科研机构的电化学测试实验及各厂家金属部件腐蚀测试,应用范围广,适于推广实施。

The utility model relates to an electrochemical parameter measurement tool for metal corrosion, in particular to an electrochemical test probe. Including the probe shell, electrodes and wiring terminals, there is an electrolyte tank inside the probe shell, and the electrolyte tank is filled with electrolyte. There is a magnetic table switch, and a constant temperature water tank is set outside the electrolyte tank, a constant temperature water inlet is provided at the lower part of the constant temperature water tank, and a constant temperature water outlet is provided at the upper part of the constant temperature water tank, and the constant temperature water inlet and constant temperature water outlet run through the Probe housing front. The utility model is easy to install, stable and reliable, easy to operate and use, and the temperature of the electrolyte is constant, the measurement result is accurate and high, and the production is simple, the cost is low, and can be widely used in the electrochemical test experiments of various colleges and universities or scientific research institutions and the metal detectors of various manufacturers. Component corrosion testing has a wide range of applications and is suitable for popularization and implementation.

Description

一种电化学测试探头An electrochemical test probe

技术领域technical field

本实用新型涉及一种用于金属腐蚀的电化学参数测量工具,特别是涉及一种电化学测试探头。The utility model relates to an electrochemical parameter measurement tool for metal corrosion, in particular to an electrochemical test probe.

背景技术Background technique

众所周知,用于及时测量金属部件电化学参数的测量工具是用来判断所测量金属部件的腐蚀程度。在现场测试过程中,要求探头安装简便可靠,电解液温度恒定。然而,目前的测量工具在结构上并不能满足该功能要求。因而,研究设计一种安装简便、稳固可靠,并且电解液温度恒定,测量结果准确高的电化学测试探头,具有十分重要的意义。As we all know, measurement tools for timely measuring electrochemical parameters of metal parts are used to judge the corrosion degree of the measured metal parts. During the field test, the probe is required to be installed easily and reliably, and the temperature of the electrolyte is constant. However, current measurement tools are structurally unable to meet this functional requirement. Therefore, it is of great significance to study and design an electrochemical test probe that is easy to install, stable and reliable, and has a constant electrolyte temperature and high accuracy of measurement results.

发明内容Contents of the invention

本实用新型要解决的技术问题就是克服上述现有技术的不足,而提供一种安装简便、稳固可靠,并且电解液温度恒定、测量结果准确高的电化学测试探头。The technical problem to be solved by the utility model is to overcome the deficiencies of the above-mentioned prior art, and provide an electrochemical test probe which is easy to install, stable and reliable, has constant electrolyte temperature, and high accuracy of measurement results.

为解决上述技术问题,本实用新型的技术方案为:For solving the problems of the technologies described above, the technical solution of the utility model is:

一种电化学测试探头,包括探头外壳、电极及接线端子,在探头外壳内设有电解液槽,电解液槽内盛装有电解液,在探头外壳左右两侧对称设有两个磁性表座,每个磁性表座上设有一个磁性表座开关,同时在电解液槽外部套装有恒温水槽,在恒温水槽的下部设有恒温水进口,恒温水槽的上部设有恒温水出口,并且该恒温水进口和恒温水出口分别贯穿探头外壳正面。An electrochemical test probe, including a probe shell, electrodes and connection terminals, an electrolyte tank is provided in the probe shell, the electrolyte tank is filled with electrolyte, and two magnetic watch seats are symmetrically arranged on the left and right sides of the probe shell, Each magnetic watch base is equipped with a magnetic watch base switch. At the same time, a constant temperature water tank is set outside the electrolyte tank. The inlet and the constant temperature water outlet run through the front of the probe shell respectively.

所述电极包括工作电极、参考电极和辅助电极,以待检测金属部件为工作电极,参考电极和辅助电极固定安装在探头外壳顶部的电极固定板上;三个电极通过接线端子接到测试仪上。The electrodes include a working electrode, a reference electrode and an auxiliary electrode. The metal part to be detected is used as the working electrode, and the reference electrode and the auxiliary electrode are fixedly installed on the electrode fixing plate on the top of the probe shell; the three electrodes are connected to the tester through the terminal .

所述接线端子固定安装在电极固定板上。The connecting terminal is fixedly installed on the electrode fixing plate.

所述电极固定板通过滑动配合结构相对于探头外壳顶部可前后滑动,用于调整工作电极到参考电极之间的距离。The electrode fixing plate can slide back and forth relative to the top of the probe shell through the sliding fit structure, and is used for adjusting the distance between the working electrode and the reference electrode.

所述滑动配合结构包括探头外壳顶部纵向设置的凸条,以及与凸条对应且匹配的设置在电极固定板底面上的凹槽。The sliding fit structure includes a protruding line arranged longitudinally on the top of the probe housing, and a groove corresponding to and matching with the protruding line provided on the bottom surface of the electrode fixing plate.

本实用新型技术方案的有益效果是:The beneficial effects of the technical solution of the utility model are:

1、在结构上,本实用新型电化学测试探头增设磁性表座及其开关,通过磁吸的方式将探头安装固定在所要测量的金属部件表面,操作使用方便,并且稳固可靠;在电解液外部套装恒温水槽,并在恒温水槽上设有恒温水进口和出口,通过温水循环方式控制电解液的温度,使得电解液温度始终恒定,从而保证测量结果的准确性。1. In terms of structure, the electrochemical test probe of the utility model is equipped with a magnetic meter base and its switch, and the probe is installed and fixed on the surface of the metal part to be measured by means of magnetic attraction, which is easy to operate and use, and is stable and reliable; outside the electrolyte The constant temperature water tank is installed, and the constant temperature water inlet and outlet are set on the constant temperature water tank. The temperature of the electrolyte is controlled through the warm water circulation method, so that the temperature of the electrolyte is always constant, thereby ensuring the accuracy of the measurement results.

2、在结构上,本实用新型采用三电极体系电化学测试探头,设计合理,使用方便,测量准确度高;所述电极固定板通过滑动配合结构相对于探头外壳顶部可以前后滑动,其相对位置可以调节,从而调整参考电极与工作电极之间的相对距离,满足测量时不同情况下的要求。2. In terms of structure, the utility model adopts a three-electrode system electrochemical test probe, which is reasonable in design, easy to use, and high in measurement accuracy; the electrode fixing plate can slide back and forth relative to the top of the probe shell through a sliding fit structure, and its relative position It can be adjusted to adjust the relative distance between the reference electrode and the working electrode to meet the requirements of different situations during measurement.

3、综上,本实用新型电化学测试探头安装简便、稳固可靠,操作使用方便,并且电解液温度恒定,测量结果准确高,而且,制作简单,成本较低,可广泛用于各高校或科研机构的电化学测试实验及各厂家金属部件腐蚀测试,应用范围广,因此,非常适于推广实施。3. To sum up, the electrochemical test probe of this utility model is easy to install, stable and reliable, easy to operate and use, and the temperature of the electrolyte is constant, the measurement results are accurate and high, and the production is simple and the cost is low, so it can be widely used in various universities or scientific research The electrochemical test experiment of the institution and the corrosion test of metal parts of various manufacturers have a wide range of applications, so it is very suitable for promotion and implementation.

附图说明Description of drawings

下面结合附图对本实用新型的具体实施方式作进一步详细的说明,其中:Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail, wherein:

图1为本实用新型电化学测试探头的结构示意图;Fig. 1 is the structural representation of the utility model electrochemical test probe;

图2为图1所示电化学测试探头的A-A剖视结构示意图;Fig. 2 is the schematic diagram of the A-A sectional structure of the electrochemical test probe shown in Fig. 1;

图3为图1所示电化学测试探头的俯视结构示意图;Fig. 3 is a top view structural schematic diagram of the electrochemical test probe shown in Fig. 1;

图中序号:1、探头外壳,2、接线端子,3、电解液槽,4、磁性表座及其开关,5、恒温水槽,6、恒温水进口,7、恒温水出口,8、工作电极,9、参考电极,10、辅助电极,11、电极固定板,12、滑动配合结构。Serial numbers in the figure: 1. Probe shell, 2. Terminal block, 3. Electrolyte tank, 4. Magnetic base and its switch, 5. Constant temperature water tank, 6. Constant temperature water inlet, 7. Constant temperature water outlet, 8. Working electrode , 9, reference electrode, 10, auxiliary electrode, 11, electrode fixing plate, 12, sliding fit structure.

具体实施方式Detailed ways

实施例一:Embodiment one:

参见图1至3,图中,本实用新型电化学测试探头,包括探头外壳1、电极及接线端子2,在探头外壳内设有电解液槽3,电解液槽内盛装有电解液,在探头外壳左右两侧对称设有两个磁性表座及其开关4,同时在电解液槽外部套装有恒温水槽5,在恒温水槽的下部设有恒温水进口6,恒温水槽的上部设有恒温水出口7,并且该恒温水进口和恒温水出口分别贯穿探头外壳正面。所述电极包括工作电极8、参考电极9和辅助电极10,以待检测金属部件为工作电极,参考电极和辅助电极固定安装在探头外壳顶部的电极固定板11上;三个电极通过接线端子2接到测试仪上。所述接线端子固定安装在电极固定板上。所述电极固定板通过滑动配合结构相对于探头外壳顶部可前后滑动,用于调整工作电极到参考电极之间的距离。所述滑动配合结构12包括探头外壳顶部纵向设置的凸条,以及与凸条对应且匹配的设置在电极固定板底面上的凹槽。Referring to Figures 1 to 3, among the figures, the electrochemical test probe of the present utility model includes a probe shell 1, electrodes and connection terminals 2, and an electrolyte tank 3 is arranged in the probe shell, and electrolyte is filled in the electrolyte tank, and the probe is There are two magnetic watch bases and their switches 4 symmetrically arranged on the left and right sides of the housing. At the same time, a constant temperature water tank 5 is set outside the electrolyte tank. A constant temperature water inlet 6 is provided at the lower part of the constant temperature water tank, and a constant temperature water outlet is provided at the upper part of the constant temperature water tank. 7, and the constant temperature water inlet and constant temperature water outlet run through the front of the probe shell respectively. The electrodes include a working electrode 8, a reference electrode 9 and an auxiliary electrode 10. The metal part to be detected is used as the working electrode, and the reference electrode and the auxiliary electrode are fixedly installed on the electrode fixing plate 11 at the top of the probe housing; the three electrodes pass through the terminal 2 connected to the tester. The connecting terminal is fixedly installed on the electrode fixing plate. The electrode fixing plate can slide back and forth relative to the top of the probe shell through the sliding fit structure, and is used for adjusting the distance between the working electrode and the reference electrode. The sliding fit structure 12 includes a protruding line arranged longitudinally on the top of the probe housing, and a groove corresponding to and matching with the protruding line provided on the bottom surface of the electrode fixing plate.

本实用新型的工作过程如下:The working process of the present utility model is as follows:

本实用新型用于现场测试的三电极体系电化学测试探头,将探头贴在待测金属部件合适位置上,旋转磁性表座开关,接通内部磁极,将探头牢固地吸附在金属部件上。在接触面上有一个直径5毫米的小孔,倒入的电解液液面必须超过此小孔至少10毫米。将测试仪与探头接线端子相连,调整温探仪,电解液达到预定温度后就可以测量。整个使用过程,安装简便、稳固可靠,操作使用方便,并且电解液温度恒定,测量结果准确高。此外,通过调整电极固定板的位置,可以调整参考电极与工作电极之间的距离,从而可以满足测量时不同情况下的要求。The utility model is a three-electrode system electrochemical test probe used for on-site testing. The probe is pasted on the appropriate position of the metal part to be tested, the switch of the magnetic table base is rotated, the internal magnetic pole is connected, and the probe is firmly adsorbed on the metal part. There is a small hole with a diameter of 5 mm on the contact surface, and the poured electrolyte must exceed this small hole by at least 10 mm. Connect the tester to the probe terminal, adjust the temperature probe, and measure after the electrolyte reaches the predetermined temperature. During the whole use process, it is easy to install, stable and reliable, easy to operate and use, and the temperature of the electrolyte is constant, and the measurement results are accurate and high. In addition, by adjusting the position of the electrode fixing plate, the distance between the reference electrode and the working electrode can be adjusted, so as to meet the requirements of different situations during measurement.

以上所述仅为本实用新型示意性的具体实施方式,并非用以限定本实用新型的范围,任何本领域的技术人员在不脱离本实用新型构思和原则的前提下所做出的等同变化与修改,均应属于本实用新型保护的范围。The above descriptions are only illustrative specific implementations of the present utility model, and are not intended to limit the scope of the present utility model. Any equivalent changes made by those skilled in the art without departing from the concept and principles of the present utility model are the same as Any modification should belong to the protection scope of the utility model.

Claims (5)

1. an electrochemical test probe, comprise probing shell, electrode and connection terminal, in probing shell, be provided with electrolytic bath, in electrolytic bath, be loaded with electrolytic solution, it is characterized in that: be arranged with two Magnetic gauge stands in the probing shell left and right sides, each Magnetic gauge stand is provided with a Magnetic gauge stand switch, in electrolytic bath outer cover, Water Tank with Temp.-controlled is housed simultaneously, be provided with thermostatted water import in the bottom of Water Tank with Temp.-controlled, the top of Water Tank with Temp.-controlled is provided with thermostatted water outlet, and this thermostatted water import and thermostatted water outlet run through respectively probing shell front.
2. electrochemical test probe according to claim 1, it is characterized in that: described electrode comprises working electrode, reference electrode and auxiliary electrode, taking metal parts to be detected as working electrode, reference electrode and auxiliary electrode are fixedly mounted on the electrode fixed head at probing shell top; Three electrodes are received on tester by connection terminal.
3. electrochemical test probe according to claim 2, is characterized in that: described connection terminal is fixedly mounted on electrode fixed head.
4. according to the electrochemical test probe described in claim 2 or 3, it is characterized in that: described electrode fixed head can slide front and back with respect to probing shell top by sliding matching structure, for adjusting working electrode to the distance between reference electrode.
5. electrochemical test probe according to claim 4, is characterized in that: described sliding matching structure comprises the raised line that probing shell top longitudinally arranges, and corresponding with raised line and mate be arranged on the groove on electrode fixed head bottom surface.
CN201420405531.4U 2014-07-22 2014-07-22 An electrochemical test probe Expired - Fee Related CN203965301U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104075987A (en) * 2014-07-22 2014-10-01 华北电力大学(保定) Electrochemistry test probe
CN105866019A (en) * 2016-05-26 2016-08-17 天津大学 Three-hole metal pipeline outer wall corrosion detection device
CN107436281A (en) * 2016-05-26 2017-12-05 天津大学 Metal pipe line corrosion detecting method based on three-port type detection means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104075987A (en) * 2014-07-22 2014-10-01 华北电力大学(保定) Electrochemistry test probe
CN105866019A (en) * 2016-05-26 2016-08-17 天津大学 Three-hole metal pipeline outer wall corrosion detection device
CN107436281A (en) * 2016-05-26 2017-12-05 天津大学 Metal pipe line corrosion detecting method based on three-port type detection means

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Granted publication date: 20141126

Termination date: 20160722