CN213749706U - Multifunctional oil bath polarization device - Google Patents

Multifunctional oil bath polarization device Download PDF

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Publication number
CN213749706U
CN213749706U CN202022904601.9U CN202022904601U CN213749706U CN 213749706 U CN213749706 U CN 213749706U CN 202022904601 U CN202022904601 U CN 202022904601U CN 213749706 U CN213749706 U CN 213749706U
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oil bath
clamp
cover
electrode
bath box
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CN202022904601.9U
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Chinese (zh)
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高美珍
余腾飞
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Audiowell Electronics Guangdong Co ltd
Lanzhou University
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Lanzhou University
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Abstract

A multifunctional oil bath polarization device comprises an oil bath box and a cover body arranged above the oil bath box, wherein an oil bath box lower electrode is arranged on a copper lining, an oil bath box upper electrode is movably arranged on the cover body, a multifunctional clamp is arranged in the oil bath box and comprises a clamp upper cover and a clamp lower cover, the clamp upper cover and the clamp lower cover are made of high-temperature-resistant insulating materials and fixedly connected through a metal rod, a plurality of upper poles are movably arranged on the clamp upper cover, a plurality of lower electrodes are arranged on the clamp lower cover in positions corresponding to the upper electrodes, and a test sample is placed between the upper electrodes and the lower electrodes. The utility model discloses both can be about the sample two surfaces add voltage, can add voltage at the same surface of sample again, simple structure, the function is various, can be applied to the test and the polarization process of the piezoelectric material of multiple different shapes size and kind, has great using value.

Description

Multifunctional oil bath polarization device
Technical Field
The utility model belongs to the technical field of the experimental facilities, concretely relates to multi-functional oil bath polarization device, the device can be used to the test procedure and the electric polarization process of multiple different shape size piezoelectric material.
Background
According to the application class of the piezoelectric material, the testing and polarization processes of the piezoelectric material are two types: one is that the piezoelectric material is placed between an upper electrode and a lower electrode for testing and polarization; for example, in the common circular piezoelectric ceramic test and polarization, voltage is needed to be applied to the upper surface and the lower surface of a sample. The other is to place the piezoelectric material between two upper electrodes for testing and polarization; for example, when the piezoelectric ceramics with multiple layers connected in parallel are tested and polarized, only the voltage needs to be applied to the same surface of a sample. Thus, two different types of jigs are required for testing and polarizing piezoelectric materials, and one jig can test and polarize only one shape and size of piezoelectric material. Therefore, in order to be convenient to use and save cost, the device for testing and polarizing the piezoelectric materials in different shapes and sizes is designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the shortcoming among the prior art and provide a multi-functional oil bath polarization device that is used for the test procedure and the electric polarization process of multiple different shapes size piezoelectric material, the utility model provides a general polarization device can only test and polarize this problem of piezoelectric material that a type and shape and size can not change at will.
For solving the technical problem of the utility model, the following technical scheme is adopted.
A multifunctional oil bath polarization device comprises an oil bath box and a cover body arranged above the oil bath box, wherein a copper lining is arranged inside the oil bath box, the copper lining is provided with an oil bath box lower electrode, the cover body is movably provided with an oil bath box upper electrode, the multifunctional clamp is arranged in the oil bath box and comprises an upper clamp cover and a lower clamp cover, the upper clamp cover and the lower clamp cover are made of high-temperature-resistant insulating materials and are fixedly connected through metal rods, the upper cover of the clamp is movably provided with a plurality of upper electrodes, the lower cover of the clamp is provided with a plurality of lower electrodes at the positions corresponding to the upper electrodes, the upper electrode and the lower electrode are communicated with the lower electrode of the oil bath box, a test sample is placed between the upper electrode and the lower electrode, and the clamp is covered in the oil bath box and is in contact with the lower electrode of the oil bath box when in use.
The clamp is characterized in that an upper clamp cover is provided with annular upper copper sheets and upper clamp grooves at intervals, a plurality of upper electrodes are movably mounted in the upper clamp grooves, the upper electrodes are in contact with the upper copper sheets when in use, an lower clamp cover is provided with annular lower copper sheets and lower clamp grooves at intervals, and a plurality of lower electrodes are movably mounted in the lower clamp grooves.
The upper electrode comprises a rear cover, an electrode sleeve, an upper electrode nut, a spring and a copper needle, the spring is connected between the rear cover and the copper needle, the spring is sleeved in the electrode sleeve, the upper end of the electrode sleeve is matched with the rear cover, the upper electrode nut is installed at the lower end of the electrode sleeve, the spring penetrates through the upper cover of the clamp, and the rear cover and the electrode nut are respectively positioned on the upper side and the lower side of the upper cover of the clamp.
The clamp upper cover is provided with two parts which are not communicated with each other, two oil bath box upper electrodes are movably arranged on the cover body, and each oil bath box upper electrode is respectively contacted with each part of the clamp upper cover.
And first copper caps are arranged on the upper cover of the clamp and the upper copper sheet, and the upper electrode of the oil bath box is inserted into the first copper caps positioned on the upper cover of the clamp and the upper copper sheet, so that the upper electrode of the oil bath box is communicated with the upper copper sheet.
The lower electrode comprises a screw and a lower electrode nut, the upper end of the screw is flat, and the screw and the lower electrode nut are matched to realize that the lower electrode is fixed on the lower cover of the clamp.
The lower cover of the clamp is provided with a positioning hole, a second copper cap 17 is arranged on the positioning hole, and the lower electrode of the oil bath box is in contact with the annular lower copper sheet through the second copper cap 17.
The utility model discloses both can be on two surfaces voltage-adding about the sample, can be on the same surface voltage-adding of sample again to the upper and lower electrode of multifunctional clamp all can freely remove and fix. The upper electrode and the lower electrode of the multifunctional clamp are respectively positioned in the grooves in the upper clamp cover and the lower clamp cover, the upper electrode and the lower electrode can freely move and be fixed along gaps in the clamp covers, the number of the electrodes can be freely increased and decreased as required, and meanwhile, the spring in the upper electrode can stretch and retract, so that the function that the clamp can clamp samples in any shape, size and thickness is realized. The upper clamp cover and the lower clamp cover of the multifunctional clamp can conduct electricity to enable electrodes on the upper clamp cover and the lower clamp cover to be electrified, but the upper clamp cover and the lower clamp cover are insulated from each other and do not influence the positive and negative polarities of the electrified voltage. Meanwhile, the upper cover of the clamp is divided into two parts by the insulator, so that the upper cover of the clamp can carry the same charge and different charges, and the test and polarization processes of the same surface and different surfaces of the piezoelectric material can be realized by applying the same voltage and different voltages to the electrode on the oil bath box.
The outer layer of the oil bath box of the utility model is made of high temperature resistant insulating material, and the inner layer is made of copper lining. Two oil bath box upper electrodes capable of moving up and down are arranged in the oil bath box upper cover, an oil bath box lower electrode is arranged at the center of the bottom of the copper lining, a multifunctional clamp is arranged in the oil bath box, the multifunctional clamp upper cover and the multifunctional clamp lower cover are both made of high-temperature-resistant insulating materials, an upper copper sheet is fixed on the clamp upper cover and is divided into two mutually insulated parts, a lower copper sheet is fixed on the clamp lower cover, and the clamp and the copper sheet are provided with concentric gaps. The upper and lower electrodes can move freely in the circular gap, and the position of the electrode can be fixed through the nut. The upper electrode is internally provided with a spring, so that the electrode can freely stretch and contract to fix piezoelectric materials with different thicknesses. When the piezoelectric material to be tested and polarized needs to be applied with voltage on the upper surface and the lower surface, the upper electrode and the lower electrode are moved to be respectively contacted with the upper surface and the lower surface of the piezoelectric material, the upper electrode is applied with positive voltage, and the lower electrode is applied with negative voltage; when the piezoelectric material to be tested and polarized needs to be simultaneously applied with positive voltage and negative voltage on one surface, two upper electrodes are moved to proper positions on the surface of the sample, and the positive voltage and the negative voltage are respectively applied on the two upper electrode posts. The utility model discloses device simple structure, the function is various, can be applied to the test and the polarization process of the piezoelectric material of multiple different shapes size and kind, has great using value.
Drawings
FIG. 1 is a front view of the structure of the clamp of the present invention;
FIG. 2 is a top view of the structure of the clamp of the present invention;
FIG. 3 is a left side view of the structure of the clamp of the present invention;
FIG. 4 is a front view of the oil bath box of the present invention;
FIG. 5 is a top view of the oil bath box of the present invention;
FIG. 6 is a schematic view of the assembly of the oil bath box and the clamp of the present invention;
FIG. 7 is a schematic view of the assembly of the upper copper sheet and the upper cover of the clamp of the present invention;
FIG. 8 is a schematic view of the assembly of the lower copper sheet and the lower cover of the clamp of the present invention;
FIG. 9 is a front view of the shape structure of the upper electrode of the present invention;
fig. 10 is a top view of the shape structure of the upper electrode of the present invention;
FIG. 11 is a schematic view of the present invention showing a test sample;
fig. 12 is a schematic diagram of the connection of the oil bath box of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the multifunctional oil bath polarization device comprises an oil bath box 21 and a cover 18 arranged above the oil bath box 21, wherein the inside of the oil bath box 21 is provided with a copper lining 22. An oil bath box lower electrode 23 is mounted on the copper lining at the central position of the bottom of the oil bath box 21, and the oil bath box lower electrode 23 is communicated with a wiring terminal at the upper part of the copper lining of the oil bath box 21. 2 first copper caps 14 are arranged on the cover body 1, and an oil bath box upper electrode 19 is movably inserted into the first copper caps 14 so as to communicate the oil bath box upper electrode with the upper copper sheet 2. The multifunctional clamp is arranged inside the oil bath box 21 and comprises an upper clamp cover 1 and a lower clamp cover 9, the upper clamp cover 1 and the lower clamp cover 9 are both made of high-temperature-resistant insulating materials, and the upper clamp cover 1 and the lower clamp cover 12 are fixedly connected through four metal rods 11. An annular upper copper sheet 2 and an upper cover groove 15 are arranged on the upper cover 1 of the clamp at intervals, wherein the upper cover 1 of the clamp and the upper copper sheet 2 are physically connected through a positioning pin 3, the upper copper sheet 2 and the upper cover groove 15 are divided into two parts by a high-temperature-resistant insulating material, and the divided two parts can be respectively applied with different voltages of positive and negative, as shown in figure 1, wherein each oil bath box upper electrode 19 is respectively contacted with each part of the upper cover 1 of the clamp. A plurality of upper electrodes are movably arranged in the upper cover groove 15 and are in contact with the upper copper sheet 2 when the clamp is used, the lower clamp cover 12 is provided with an annular lower copper sheet 13 and a lower cover groove 16, the lower clamp cover 12 and the lower copper sheet 13 are physically connected together through a second copper cap 17, and a plurality of lower electrodes are movably arranged in the lower cover groove 16. Wherein the lower electrode is positioned at a position corresponding to the upper electrode, the upper and lower electrodes are conducted with the lower electrode 23 of the oil bath box, and the test sample is placed between the upper electrode and the lower electrode. And a positioning hole is formed in the lower cover 12 of the clamp, a second copper cap 17 is arranged on the positioning hole, and the lower electrode of the oil bath box is in contact with the lower copper sheet 13 through the second copper cap 17. The lower cover 9 of the jig is charged by connecting a lower electrode 23 located at the center of the copper lining 22 through a second copper cap 17. The upper electrode comprises a rear cover 4, an upper electrode sleeve 5, an upper electrode nut 6, a spring 7 and a copper needle 8, the spring 7 is connected between the rear cover 4 and the copper needle 8, the spring 7 is sleeved in the electrode sleeve 5, the upper end of the electrode sleeve 5 is matched with the rear cover 4, the upper electrode nut 6 is installed at the lower end of the electrode sleeve 5, when the electrode sleeve is used, a test sample is placed at the lower end of the copper needle 8, the electrode sleeve 5 and the upper electrode nut 6 are respectively located at the upper side and the lower side of the clamp upper cover 1 and the annular upper copper sheet 2, and the electrode sleeve 5 is matched with the upper electrode nut 6 to enable the upper electrode to be fixed with the clamp upper cover 1 and the annular upper copper sheet 2 and to achieve contact of the upper electrode and the upper copper sheet 2. While the spring 7 brings the lower end of the copper needle 8 into close contact with the test specimen as shown in fig. 1.
When the device is used, a test sample is placed at the lower end of the copper needle 8, the electrode sleeve 5 and the upper electrode nut 6 are respectively positioned at the upper side and the lower side of the clamp upper cover 1 and the annular upper copper sheet 2, and the electrode sleeve 5 and the upper electrode nut 6 are matched to fix the upper electrode with the clamp upper cover 1 and the annular upper copper sheet 2 and realize the contact of the upper electrode with the upper copper sheet 2. And the spring 7 brings the lower end of the copper needle 8 into close contact with the test specimen.
The utility model discloses can adorn silicon oil or not place silicon oil in the oil bath box during the use, multi-functional anchor clamps are placed in oil bath box 21, and the oil bath box bottom electrode 23 contact with copper inside lining 22 center department is shown in figure 6. The upper electrode and the lower electrode are freely moved to be in proper positions, and then nuts on the upper electrode and the lower electrode are respectively screwed to fix the electrodes. The sample is clamped between two electrodes in a multi-function clamp, and the thickness of the sample is adjustable within the elastic limit of the spring 7 of the upper electrode. The multifunctional clamp can be used for placing a plurality of piezoelectric samples with different shapes and sizes, and the schematic diagram is shown in fig. 11. When the piezoelectric sample to be tested and polarized needs to be applied with voltages on the upper and lower different surfaces, the positive (negative) voltage is applied to the upper electrode 19 of the oil bath box on the oil bath box 21, and the negative (positive) voltage is applied to the lower electrode 23 of the oil bath box on the copper lining, so that the upper electrode and the lower electrode in the multifunctional clamp are respectively provided with the positive voltage and the negative voltage to test or polarize the sample. When the piezoelectric material for testing and polarization needs to be simultaneously applied with positive voltage and negative voltage on the same surface of the sample, the lower electrode 23 of the oil bath box on the copper lining is not applied with voltage, and only the positive voltage and the negative voltage are respectively applied on the upper electrodes 19 of the two oil bath boxes in the upper cover of the oil bath box, so that the upper electrode in the upper cover of the multifunctional clamp respectively applies the positive voltage and the negative voltage on the surface of the sample. The number and the position of the upper electrode and the lower electrode are kept consistent, and the number of the electrodes can be freely increased and decreased according to the size and the number of the samples. The shape of the multi-function clip includes, but is not limited to, circular and square, and the shape of the slot includes, but is not limited to, circular and square.

Claims (7)

1. The utility model provides a multi-functional oil bath polarization device, includes oil bath box and installs the lid in oil bath box top, the inside copper inside of oil bath box is the inside copper inside lining, set up oil bath box bottom electrode on the copper inside lining, the activity sets up oil bath box top electrode on the lid, its characterized in that: the multifunctional clamp is arranged in the oil bath box (21) and comprises an upper clamp cover (1) and a lower clamp cover (12), the upper clamp cover (1) and the lower clamp cover (12) are made of high-temperature-resistant insulating materials, the upper clamp cover (1) and the lower clamp cover (12) are fixedly connected through a metal rod (11), a plurality of upper electrodes are movably arranged on the upper clamp cover (1), a plurality of lower electrodes are arranged on the lower clamp cover (12) at positions corresponding to the upper electrodes, the upper electrodes and the lower electrodes are communicated with the lower oil bath box electrode (23), a test sample is placed between the upper electrodes and the lower electrodes, and the lower clamp cover (12) is arranged in the oil bath box (21) and is in contact with the lower oil bath box electrode (23) during use.
2. The multifunctional oil bath polarization device of claim 1, wherein: the clamp is characterized in that annular upper copper sheets (2) and upper cover grooves (15) are arranged on the clamp upper cover (1) at intervals, a plurality of upper electrodes are movably arranged in the upper cover grooves (15) and are in contact with the upper copper sheets (2) when the clamp is used, annular lower copper sheets (13) and lower cover grooves (16) are arranged on the clamp lower cover (12) at intervals, and a plurality of lower electrodes are movably arranged in the lower cover grooves (16).
3. The multifunctional oil bath polarization device of claim 1 or 2, wherein: go up electrode lid (4), electrode sleeve (5), go up electrode nut (6), spring (7) and copper needle (8) including back, connect spring (7) between back lid (4) and copper needle (8), spring (7) suit is in electrode sleeve (5), adaptation between electrode sleeve (5) upper end and back lid (4), go up electrode nut (6) and install electrode sleeve (5) lower extreme, anchor clamps upper cover (1) is passed in spring (7), back lid (4) and electrode nut (6) are located anchor clamps upper cover (1) upper and lower both sides respectively.
4. The multifunctional oil bath polarization device of claim 3, wherein: the clamp upper cover (1) is provided with two parts which are not communicated with each other, the cover body (18) is movably provided with two oil bath box upper electrodes (19), and each oil bath box upper electrode (19) is respectively contacted with each part of the clamp upper cover (1).
5. The multifunctional oil bath polarization device of claim 1 or 4, wherein: the fixture upper cover (1) and the upper copper sheet (2) are provided with first copper caps (14), and the oil bath box upper electrode (19) is inserted into the first copper caps (14) on the fixture upper cover (1) and the upper copper sheet (2), so that the oil bath box upper electrode (19) is communicated with the upper copper sheet (2).
6. The multifunctional oil bath polarization device of claim 5, wherein: the lower electrode comprises a screw (9) with a smooth upper end and a lower electrode nut (10), and the screw (9) and the lower electrode nut (10) are matched to realize that the lower electrode is fixed on the lower cover (12) of the clamp.
7. The multifunctional oil bath polarization device of claim 5, wherein: the oil bath box is characterized in that a positioning hole is formed in the lower clamp cover (12), a second copper cap (17) is installed on the positioning hole, and the lower electrode of the oil bath box is in contact with the annular lower copper sheet (13) through the second copper cap (17).
CN202022904601.9U 2020-12-07 2020-12-07 Multifunctional oil bath polarization device Active CN213749706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022904601.9U CN213749706U (en) 2020-12-07 2020-12-07 Multifunctional oil bath polarization device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022904601.9U CN213749706U (en) 2020-12-07 2020-12-07 Multifunctional oil bath polarization device

Publications (1)

Publication Number Publication Date
CN213749706U true CN213749706U (en) 2021-07-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112505099A (en) * 2020-12-07 2021-03-16 兰州大学 Multifunctional oil bath polarization device
CN116120061A (en) * 2023-02-02 2023-05-16 浙江舜云互联技术有限公司 Multi-element PZT piezoelectric ceramic material with high piezoelectric performance and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112505099A (en) * 2020-12-07 2021-03-16 兰州大学 Multifunctional oil bath polarization device
CN116120061A (en) * 2023-02-02 2023-05-16 浙江舜云互联技术有限公司 Multi-element PZT piezoelectric ceramic material with high piezoelectric performance and application thereof

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Effective date of registration: 20230413

Address after: 511400 No.4, 3rd Yinping Road, Shatou street, Panyu District, Guangzhou City, Guangdong Province

Patentee after: AUDIOWELL ELECTRONICS (GUANGDONG) Co.,Ltd.

Patentee after: LANZHOU University

Address before: 730000 No. 222 Tianshui South Road, Chengguan District, Gansu, Lanzhou

Patentee before: LANZHOU University