CN111521921A - Method and device for automatically springing and pressing test electrode - Google Patents

Method and device for automatically springing and pressing test electrode Download PDF

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Publication number
CN111521921A
CN111521921A CN202010423415.5A CN202010423415A CN111521921A CN 111521921 A CN111521921 A CN 111521921A CN 202010423415 A CN202010423415 A CN 202010423415A CN 111521921 A CN111521921 A CN 111521921A
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CN
China
Prior art keywords
electrode
electric push
upper electrode
push rod
test
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Pending
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CN202010423415.5A
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Chinese (zh)
Inventor
方济中
罗翔宇
袁从明
吴杨
马锐
宋建华
李学锋
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Ningxia Electric Power Energy Technology Co ltd
Electric Power Research Institute of State Grid Ningxia Electric Power Co Ltd
Original Assignee
Ningxia Electric Power Energy Technology Co ltd
Electric Power Research Institute of State Grid Ningxia Electric Power Co Ltd
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Application filed by Ningxia Electric Power Energy Technology Co ltd, Electric Power Research Institute of State Grid Ningxia Electric Power Co Ltd filed Critical Ningxia Electric Power Energy Technology Co ltd
Priority to CN202010423415.5A priority Critical patent/CN111521921A/en
Publication of CN111521921A publication Critical patent/CN111521921A/en
Pending legal-status Critical Current

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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
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/16Construction of testing vessels; Electrodes therefor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The application discloses a method and a device for automatically springing and pressing a test electrode, wherein the method and the device for automatically springing and pressing the test electrode comprise the following steps: the chassis is provided with a turntable, and a stepping motor, a connecting disc and a bearing are arranged in the turntable; the edge of the chassis is connected with the support, a plurality of lower electrodes are fixed on the rotary table, the plurality of lower electrodes are driven to rotate by the stepping motor, the upper electrodes are driven by the electric push rods to move up and down, and the upper electrodes are driven by the electric push rods to contact the lower electrodes by the compression springs of the pressing plates. The technical scheme of the invention has the advantages that the upper electrode automatically rises and falls, so that the damage of the electrode caused by accidental electrification to people is completely avoided, the test of 8 samples can be carried out in one test, the test efficiency is effectively improved, and the interference of human factors to the test result is avoided. The intelligent, efficient and accurate test electrode is realized, and the working efficiency is improved.

Description

Method and device for automatically springing and pressing test electrode
Technical Field
The application relates to the technical field of testing electrodes, in particular to a method and a device for automatically and elastically pressing a testing electrode.
Background
The voltage breakdown resistance technical index of the insulating material must be tested by using a special test electrode, the test electrodes commonly used in the market at present are all single samples for testing, after one sample is made each time, a new sample is placed again for testing again, the operation is repeated, the test quantity is large, the samples are repeatedly replaced, the time is wasted, and the operation is complicated.
The existing test electrodes in the market mainly have the following defects:
less than 1: only one sample can be made at a time.
And less than 2: the repeated operation has low working efficiency.
As shown in fig. 1, in the conventional test structure, an upper electrode moves up and down manually, a lower electrode is fixed on a bottom plate of an electrode support, and a test sample is placed by manually lifting the upper electrode, which shows that the conventional test structure has the following disadvantages;
problem 1: the manual lifting of the electrode has certain potential safety hazard;
problem 2: the upper and lower electrodes cannot tighten the electrodes, and the air can cause inaccurate breakdown of the electrodes;
problem 3: only one sample can be placed at a time;
problem 4: the whole process is manual.
With the above-described prior art test structure, the specific test procedure is as follows:
the first step is as follows: manually lifting the upper electrode;
the second step is that: placing a piece of sample with flat and clean upper and lower surfaces above each lower electrode;
the third step: clicking on computer software to start the test;
the fifth step: at the end of the test, the sample was removed and the test conditions were observed.
The defects of the prior art are found by observing the test conditions as follows:
defect 1: the upper electrode needs to be lifted manually, and when the upper electrode is electrified accidentally, an operator can get an electric shock;
defect 2: air is mixed between the upper electrode and the lower electrode due to the fact that the upper electrode and the lower electrode cannot clamp the sample completely, and test data are inaccurate;
defect 3: only one sample can be tested per test, which is time consuming if a large number of samples are required.
Disclosure of Invention
The application provides an automatic formula of suppressing test electrode once can place a plurality of samples, and the electrode can automatic switch over between a plurality of samples, takes the formula of suppressing structure certainly, and the upper and lower electrode contact is abundant, has realized intelligent, high efficiency, the accurate of test electrode, improves work efficiency.
In order to achieve the purpose, the application is realized by the following technical scheme:
the device for automatically and elastically pressing the test electrode comprises: the device comprises a chassis, a bracket, a turntable, an upper electrode and a lower electrode;
the center of the base plate is provided with a turntable, a stepping motor, a connecting plate and a bearing are arranged in the base plate, the connecting plate is fixed at the center of the turntable through the stepping motor and the bearing, and the stepping motor drives the bearing to rotate through the connecting plate so that the turntable rotates through the bearing;
the edge of the chassis is connected with a support, one end of the lower side of the top of the support is fixedly provided with an electric push rod, a connecting rod at the lower end of the electric push rod is connected with a pressing plate and an upper electrode rod, a linear bearing at the upper end of the upper electrode rod penetrates through the pressing plate, and a spring is sleeved at the lower end of the upper electrode rod through the linear bearing to connect an upper electrode;
the turntable is fixed with a plurality of lower electrodes, the plurality of lower electrodes are driven to rotate by the stepping motor, the electric push rod drives the upper electrode to move up and down, when the upper electrode moves downwards to the lowest part, the electric push rod continues to move downwards, and the electric push rod drives the pressing plate compression spring to enable the upper electrode to contact the lower electrodes.
According to the device for automatically elastically pressing the test electrodes, eight lower electrodes are arranged on the turntable, a sample to be tested is arranged on each lower electrode, and the stepping motor controls the rotation angle and the rotation speed to set any one of the eight lower electrodes for placing the sample.
According to the device for automatically springing and pressing the test electrode, the electric push rod moves up and down to drive the upper electrode to move up and down.
According to the device for automatically springing and pressing the test electrode, the electric push rod reaches the lower limit, the upper electrode is slowly lifted, and the pressure plate of the linear bearing compresses the spring.
According to the device for automatically springing and pressing type testing electrodes, the initial switch and the initial limit switch support are fixedly placed at the upper right corner of the chassis, the initial switch and the initial limit support form a whole control limiter, the edge of the circular turntable corresponds to each lower electrode and is provided with the limit buckle, when the buckle on the circular turntable runs to the initial switch, the initial switch is used for realizing the limit function that the whole turntable reaches the required position in the rotating process, and therefore, each sample required to be tested can be accurately placed at the required position.
A method for automatically spring-pressing a test electrode;
the device recovers the initial state, and a sample to be tested is placed on the lower electrode;
the device is started, the stepping motor drives the linear bearing to rotate through the connecting disc, and the rotating disc rotates through the linear bearing;
the electric push rod pushes the upper electrode to move downwards to contact with a sample on the lower electrode; after reaching the lower limit, the electric push rod starts to slowly move upwards, and meanwhile, the stepping motor drives the turntable to rotate;
and after reaching the upper limit, the electric push rod starts to move downwards continuously, so that the upper electrode is contacted with the sample on the next lower electrode, and the circular reciprocating motion is carried out until the test of all the samples is finished.
According to the method for automatically springing and pressing the test electrode, the electrode device restores the initial state, specifically, the electrode device restores the initial state and comprises the upper electrode lifting state.
The method for automatically springing and pressing the test electrode comprises the following specific steps: and selecting a test sequence of the test in the computer, and clicking on computer software to start to selectively test the sample.
According to the method for automatically springing and pressing the test electrode, the electric push rod pushes the upper electrode to move downwards to contact with the sample on the lower electrode, specifically, the electric push rod moves downwards, the upper electrode moves downwards slowly to contact with the sample, at the moment, the electric push rod continues to move downwards, and the pressing plate starts to compress the spring until the electric push rod reaches the lower limit.
According to the method for automatically springing and pressing the test electrode, the electric push rod starts to move downwards continuously after reaching the upper limit position, and the method specifically comprises the following steps: firstly, the spring is slowly lifted until the pressure plate touches the step on the upper part of the upper electrode, then the upper electrode is lifted, at the moment, the upper electrode starts to slowly move upwards until the upper limit of the electric push rod is reached, the electric push rod starts to continuously move downwards after the electric push rod reaches the upper limit, so that the upper electrode is in contact with the sample on the next lower electrode, and the circular reciprocating motion is carried out until all samples are tested and finished.
The beneficial effect that this application realized is as follows: the upper electrode automatically rises and falls, so that the situation that the electrode is accidentally electrified and can damage people to test 8 samples in one test is completely avoided, the test efficiency is effectively improved, and the interference of human factors on test results is avoided. The intelligent, efficient and accurate test electrode is realized, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic diagram of a prior art test structure;
FIG. 2 is a schematic diagram of a test structure provided in an embodiment of the present application;
FIG. 3 is an internal structural view;
fig. 4 is a diagram of a test process of an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 2 and 3, an embodiment of the present application provides an apparatus for automatically biasing a test electrode, including: the device comprises a chassis 1, a bracket 2, a circular turntable 3, an upper electrode 4 and a lower electrode 5;
a circular turntable 3 is arranged in the center of a chassis 1, a stepping motor 6, a connecting disc 7 and a bearing 8 are arranged in the chassis 1, the connecting disc 7 is fixed at the center of the circular turntable 3 through the stepping motor 6 and the bearing 8, and the stepping motor 6 drives the bearing 8 to rotate through the connecting disc 7, so that the turntable 3 rotates through the bearing 8;
the edge of the chassis 1 is connected with a support 2, one end of the lower side of the top of the support 2 is fixedly provided with an electric push rod 9, a connecting rod at the lower end of the electric push rod 9 is connected with a pressing plate and an upper electrode 4, the upper end of the upper electrode 4 is connected with a pressing plate spring 10 in a penetrating way, and the lower end of the upper electrode 4 is connected with the upper electrode 4 through a linear bearing 11 and a sleeve spring 10;
a plurality of lower electrodes 5 are fixed on the circular turntable 4, the plurality of lower electrodes 5 are driven to rotate through the stepping motor 6, the electric push rod 9 drives the upper electrode 4 to move up and down, when the upper electrode 4 moves downwards to the lowest part, the electric push rod 9 continues to move downwards, and the electric push rod 9 drives the pressing plate compression spring 10 to enable the upper electrode 4 to contact with the lower electrodes 5.
Wherein, chassis 1 is formed by square structure plus nonmetal square platform structure, install circular carousel 3 on chassis 1, 1 square structure inside of chassis is provided with step motor 6, connection pad 7 and bearing 8, it drives the bearing 8 and makes the circular carousel 3 of top rotatory to add the screw through a step motor 6 bearing and four screw trompil hole positions at 3 central points on circular carousel, step motor 6 drives the bearing 8 through connecting circular carousel 3 and rotates, makes circular carousel 3 realize rotary motion through bearing 8.
The horizontal position is eight lower electrodes 5 of circular evenly placing on 3 upper levels of circular carousel, when the test sample 12 that awaits measuring, places the sample 12 that needs the test on each lower electrode 5, and step motor 6 can accurate control rotation angle and rotation speed, can set for arbitrary one in eight lower electrodes 5 from this and place sample 12 and test.
In addition, initial switch 13 and initial limit switch support 14 are fixedly placed at the right upper corner of chassis 1, initial switch 13 and initial limit support 14 form an integral control limiter, correspondingly, the edge of circular turntable 3 is provided with a limit buckle corresponding to each lower electrode 5, the buckle on circular turntable 3 realizes the limit function that integral circular turntable 3 reaches the required position in the rotating process by initial switch 13 when running to initial switch 13, thereby realizing that each test sample 12 required to be tested can be accurately placed at the required position.
The central positions of two ends of a chassis 1 are vertically connected with an inverted U-shaped support 2, one end of the lower side of the top of the support 2 is fixed with an electric push rod 9 by 4 screws with open holes, a connecting rod at the lower end of the electric push rod 9 is connected with the right ends of a rectangular pressing plate with a left opening and a right opening, an upper electrode rod comprises a linear shaft 11, a spring 10 and an upper electrode 4, the spring 10 is arranged between the rectangular pressing plate and the upper electrode 4, an upper electrode rod is connected by a linear bearing 8 and the left opening of the rectangular pressing plate in a penetrating way, a lower electrode 5 is fixed on a rotary table 3, the rotary table 3 is driven by a stepping motor 6 to rotate, the upper electrode 4 moves up and down by the electric push rod 9, when the upper electrode 4 moves down to the lowest part, the electric push rod 9 continues to move down, at the moment, a separation blade driven by the electric push rod 9, the device can hold 8 test specimens 12 at a time and the order of testing for each specimen can be selected.
Example two
An embodiment of the present application provides a method for automatically pressing a test electrode, as shown in fig. 4, including:
step 410, the device recovers the initial state, and a sample 12 to be tested is placed on the lower electrode 5;
wherein: the restoration of the electrode assembly to the initial state includes the lifting of the upper electrode 4.
Step 420, starting the device, wherein the stepping motor 6 drives the bearing 8 to rotate through the connecting disc 7, so that the circular turntable 2 rotates through the bearing 8;
in the embodiment of the application, the test sequence of the test is selected by the computer, and the test is started by clicking on the computer software to selectively test the sample.
Step 430, the electric push rod 9 pushes the upper electrode 4 to move downwards to contact with the sample on the lower electrode 5, the electric push rod 9 starts to move upwards slowly after reaching the lower limit position, and meanwhile the stepping motor 6 drives the circular turntable 3 to rotate;
in this application embodiment, step motor 6 controls the rotation angle and the rotational speed of circular carousel 3 to drive clamp plate compression spring 10, upper electrode 4 moves from top to bottom and contacts sample 12, specifically includes:
the electric push rod 9 moves downwards, the upper electrode 4 moves downwards slowly, the upper electrode 4 contacts the sample 12, at the moment, the electric push rod 9 continues to move downwards, and the pressing plate begins to compress the spring 9 until the electric push rod 9 reaches the lower limit position.
Step 440, after the electric push rod 9 reaches the upper limit position, the electric push rod starts to move downwards continuously, so that the upper electrode 4 contacts the sample 12 on the next lower electrode 4, and the circular reciprocating motion is performed until the test of all the samples 12 is finished;
in the embodiment of the application, firstly, the spring 10 is slowly lifted until the pressure plate touches the step on the upper part of the upper electrode 4, then the upper electrode 4 starts to slowly move upwards until the upper limit of the electric push rod 9 is reached, the electric push rod 9 starts to continuously move downwards after the upper limit is reached, so that the upper electrode 4 contacts the sample 12 on the next lower electrode 5, and the test is circularly performed in a reciprocating manner until all the samples 12 are tested.
The above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the present disclosure, which should be construed in light of the above teachings. Are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. An apparatus for automatically springing and pressing a test electrode, comprising: the device comprises a chassis, a bracket, a turntable, an upper electrode and a lower electrode;
the center of the base plate is provided with a turntable, a stepping motor, a connecting plate and a bearing are arranged in the base plate, the connecting plate is fixed at the center of the turntable through the stepping motor and the bearing, and the stepping motor drives the bearing to rotate through the connecting plate so that the turntable rotates through the bearing;
the edge of the chassis is connected with a support, one end of the lower side of the top of the support is fixedly provided with an electric push rod, a connecting rod at the lower end of the electric push rod is connected with a pressing plate and an upper electrode rod, a linear bearing at the upper end of the upper electrode rod penetrates through the pressing plate, and a spring is sleeved at the lower end of the upper electrode rod through the linear bearing to connect an upper electrode;
the turntable is fixed with a plurality of lower electrodes, the plurality of lower electrodes are driven to rotate by the stepping motor, the electric push rod drives the upper electrode to move up and down, when the upper electrode moves downwards to the lowest part, the electric push rod continues to move downwards, and the electric push rod drives the pressing plate compression spring to enable the upper electrode to contact the lower electrodes.
2. The apparatus for automatically pressing and testing electrodes according to claim 1, wherein eight lower electrodes are placed on the turntable, a sample to be tested is placed on each lower electrode, and the stepping motor controls the rotation angle and the rotation speed to set any one of the eight lower electrodes for placing the sample.
3. The apparatus of claim 2, wherein the upper electrode is moved up and down by the power rod.
4. The apparatus of claim 3, wherein the electric push rod reaches a lower limit, the upper electrode is slowly lifted, and the spring is compressed by the pressing plate of the linear bearing.
5. The apparatus according to claim 1, wherein an initial switch and an initial limit switch bracket are fixedly disposed at an upper right corner of the chassis, the initial switch and the initial limit bracket form an integral control limit device, a limit buckle is disposed at an edge of the circular turntable corresponding to each lower electrode, and when the buckle on the circular turntable is operated to the initial switch, the initial switch is used to limit the position of the integral turntable to a desired position during rotation, thereby accurately placing each sample to be tested at the desired position.
6. A method for automatically spring-pressing type electrode test is characterized in that,
the device recovers the initial state, and a sample to be tested is placed on the lower electrode;
the device is started, the stepping motor drives the linear bearing to rotate through the connecting disc, and the rotating disc rotates through the linear bearing;
the electric push rod pushes the upper electrode to move downwards to contact with a sample on the lower electrode; after reaching the lower limit, the electric push rod starts to slowly move upwards, and meanwhile, the stepping motor drives the turntable to rotate;
and after reaching the upper limit, the electric push rod starts to move downwards continuously, so that the upper electrode is contacted with the sample on the next lower electrode, and the circular reciprocating motion is carried out until the test of all the samples is finished.
7. The method of claim 6, wherein the restoring the electrode assembly to the initial state comprises lifting the upper electrode.
8. The method of claim 6, wherein the device start-up is specifically: and selecting a test sequence of the test in the computer, and clicking on computer software to start to selectively test the sample.
9. The method according to claim 6, wherein the electric push rod pushes the upper electrode to move downward to contact the sample on the lower electrode, and particularly, the electric push rod moves downward, the upper electrode contacts the sample as the upper electrode moves downward slowly, and the electric push rod continues to move downward, and the pressing plate starts to compress the spring until the electric push rod reaches the lower limit.
10. The method for automatically springing and pressing an electrode according to claim 6, wherein the electric push rod starts to move downwards after reaching the upper limit, specifically: firstly, the spring is slowly lifted until the pressure plate touches the step on the upper part of the upper electrode, then the upper electrode is lifted, at the moment, the upper electrode starts to slowly move upwards until the upper limit of the electric push rod is reached, the electric push rod starts to continuously move downwards after the electric push rod reaches the upper limit, so that the upper electrode is in contact with the sample on the next lower electrode, and the circular reciprocating motion is carried out until all samples are tested and finished.
CN202010423415.5A 2020-05-19 2020-05-19 Method and device for automatically springing and pressing test electrode Pending CN111521921A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113092968A (en) * 2021-04-14 2021-07-09 哈尔滨理工大学 Automatic testing system for AC/DC breakdown field intensity of film sample
CN115291003A (en) * 2022-07-04 2022-11-04 上海博取仪器有限公司 PH electrode automatic checkout device
CN115480200A (en) * 2022-11-14 2022-12-16 武汉纬希智能科技有限公司 Photoelectric detection equipment
CN116223993A (en) * 2023-02-24 2023-06-06 中国测试技术研究院电子研究所 Insulation voltage-withstanding testing device for electric component

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113092968A (en) * 2021-04-14 2021-07-09 哈尔滨理工大学 Automatic testing system for AC/DC breakdown field intensity of film sample
CN115291003A (en) * 2022-07-04 2022-11-04 上海博取仪器有限公司 PH electrode automatic checkout device
CN115480200A (en) * 2022-11-14 2022-12-16 武汉纬希智能科技有限公司 Photoelectric detection equipment
CN115480200B (en) * 2022-11-14 2023-03-07 武汉纬希智能科技有限公司 Photoelectric detection equipment
CN116223993A (en) * 2023-02-24 2023-06-06 中国测试技术研究院电子研究所 Insulation voltage-withstanding testing device for electric component

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