CN1367543A - Continuous polarization method of plate piezoelectric transformer and its equipment - Google Patents
Continuous polarization method of plate piezoelectric transformer and its equipment Download PDFInfo
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- CN1367543A CN1367543A CN02114440.0A CN02114440A CN1367543A CN 1367543 A CN1367543 A CN 1367543A CN 02114440 A CN02114440 A CN 02114440A CN 1367543 A CN1367543 A CN 1367543A
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- 230000010287 polarization Effects 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims description 19
- 239000000919 ceramic Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 230000005684 electric field Effects 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000003491 array Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- 238000011031 large-scale manufacturing process Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract 1
- 229920002545 silicone oil Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
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Abstract
The present inventino has opened a continuous polarization unit of lamellar piezoelectric ceramic transformer (including single and multi sheet transformer) tothe public, which voltage control system, teperature control system, oil-pressure propulsion system, continuous heating furnace and polarization vechile for setting guarding tools are included in the unit. It can polarize piezoelectric end and electricity generating end of lamellar piezoelectric ceramic transformer simultaneously by using air as a media and it also can be used to polarize some other piezoelectric products produced by piezoelectric material as a raw material such as piezoelectric ceramic filter, piezoelectric hummer and etc..
Description
One, affiliated field
The present invention relates to the polarization method and the polarization control appliance of piezoceramic material, except that being used for the piezoelectric ceramic transformer polarization, also be applicable to the polarization of other products made from piezoceramic material, particularly a kind of method of plate piezoelectric transformer continuous polarization and device thereof.
Two, background technology
Polarization is an important process stage of piezoelectric ceramic transformer, the piezoelectric ceramic transformer that is sintered, because the polarization intensity of microdomain is disorderly and unsystematic in its body, probability along all directions equates, thereby externally generally do not show piezoelectric property, the effective means that makes piezoelectric ceramic transformer obtain piezoelectric property is exactly an electric polarization, so-called electric polarization promptly is at a certain temperature piezoelectric ceramic transformer two electrodes to be applied certain direct voltage (electric field), force the microdomain in the body to be arranged along the external electric field direction as much as possible, externally show piezoelectric property.
At present, the polarization of piezoelectric ceramic transformer, extensively adopt and earlier piezoelectric ceramic transformer is put into heating furnace, with Heating Furnace Control in uniform temperature, the generating end of piezoelectric ceramic transformer is applied certain direct voltage (electric field) promptly claims high-temperature poling, and in polarization process along with the voltage (electric field) of the corresponding change polarization of variation of temperature in the burner hearth.After the generating end has polarized, again same piezoelectric ceramic transformer clamping is put into to the another set of anchor clamps then and filled 120 ℃ of silicone oil grooves, be that medium applies certain direct voltage (electric field) to piezoelectric ceramic transformer piezoelectricity end and polarizes with silicone oil, polarization process need be incubated 20～30 minutes, after having polarized, also need the silicone oil of piezoelectric ceramic transformer surface adhesion is carried out special cleaning, oven dry.Apparent this polarization method and polarization facility, not only complex process, and cost height and production efficiency are low.
Three, summary of the invention
According to defective that exists in the above-mentioned prior art or deficiency; an object of the present invention is; a kind of method of plate piezoelectric transformer continuous polarization is provided; for making the piezoelectric ceramic transformer large-scale production; it is simple that its polarization process becomes; effective, and shorten the polarization time greatly, enhance productivity significantly.
Another object of the present invention is that a kind of device of method of plate piezoelectric transformer continuous polarization is provided.
To achieve these goals, the technical solution used in the present invention is: the method for plate piezoelectric transformer continuous polarization is carried out according to the following steps:
1). directly piezoelectric ceramic transformer by its electrode tip polarization car of correctly packing into, by hydraulic propelling system, the car that will polarize by setup program is advanced in the continuous furnace with certain speed, is that medium polarizes with the air;
2). the highest region territory temperature of continuous furnace, should heat and control to above 20 ℃～30 ℃ of polarized material Curie-point temperature;
A. be 5min from ℃ zone, normal temperature district to 150;
B. be 17min from ℃ zone, 150 ℃ of zones to 300;
C. be 8min from ℃ zone, 300 ℃ of zones to 350;
D. be 30min from ℃ zone, 350 ℃ of zones to 80;
E. the zone is 10min from 80 ℃ of zones to normal temperature;
F. from the normal temperature zone to polarization isolation the zone 10min;
G. from the polarization isolation zone to region of discharge 5min.
3). its polarized electric field can be controlled by voltage control system, and general E generating end is 520V/mm, and E piezoelectricity end is 550V/mm.
Realize the device of the method for above-mentioned plate piezoelectric transformer continuous polarization, comprise: continous way heating polarization stove generally is similar to the push-plate type heating furnace, it is characterized in that: heating furnace divides heat up section, soaking zone and three temperature control districts of temperature descending section, be provided with the electrode special track in the burner hearth, the polarized electric field of piezoelectricity end and generating end is provided respectively by voltage control system respectively, continuous furnace can be realized temperature province control, can realize the polarizing voltage of the transformer on the polarization car is controlled; Also comprise special setting under the effect of hydraulic propelling system; with slide on the electrode track of certain speed in burner hearth a kind of polarization car; polarized electric field as the piezoelectricity end; the upper strata is drawn an electrode again and is slided on electrode track equally; polarized electric field as the generating end; the piezoelectric ceramic transformer large-scale production is medium with the air; piezoelectricity end and the polarization simultaneously of generating end; this polarization car is integrated two layers of car; comprise: lower floor's base plate 1 of an insulation; base plate 1 is to make with high insulativity and high-temperature material; two groups of metal movable pulleies 3 are housed below the base plate 1; be connected with the two arrays of electrodes of polarization car respectively and apply piezoelectricity terminal voltage (4); be provided with many above the base plate 1 to piezoelectricity end in contact spring leaf 2; also be fixed with the top plate 7 of an insulation on base plate 1, arrange on the top plate 7 a plurality of current-limiting resistances 6 are installed, an end of top plate 7 also is provided with and the spring leaf 5 of the end in contact of generating electricity and the terminal voltage contact lever 8 that generates electricity.
Four, description of drawings
Fig. 1 is that sheet type piezoelectric ceramic transformer piezoelectricity end of the present invention and generating end apply direct voltage (electric field), schematic diagram;
Fig. 2 is a polarization bassinet structure schematic diagram of the present invention;
Fig. 3 is a work system flow chart of the present invention.
Five, embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2 and Fig. 3, the present invention realizes in the following way:
The method of plate piezoelectric transformer continuous polarization is carried out according to the following steps:
1). directly piezoelectric ceramic transformer by its electrode tip polarization car of correctly packing into, by hydraulic propelling system, the car that will polarize by setup program is advanced in the continuous furnace with certain speed, is that medium polarizes with the air;
2). the highest region territory temperature of continuous furnace, should heat and control to above 20 ℃～30 ℃ of polarized material Curie-point temperature;
A. be 5min from ℃ zone, normal temperature district to 150;
B. be 17min from ℃ zone, 150 ℃ of zones to 300;
C. be 8min from ℃ zone, 300 ℃ of zones to 350;
D. be 30min from ℃ zone, 350 ℃ of zones to 80;
E. the zone is 10min from 80 ℃ of zones to normal temperature;
F. from the normal temperature zone to polarization isolation the zone 10min;
G. from the polarization isolation zone to region of discharge 5min.
3). its polarized electric field can be controlled by voltage control system, and general E generating end is 520V/mm, and E piezoelectricity end is 550V/mm.
Realize the device of the method for above-mentioned plate piezoelectric transformer continuous polarization, comprise: continous way heating polarization stove generally is similar to the push-plate type heating furnace, it is characterized in that: heating furnace divides heat up section, soaking zone and three temperature control districts of temperature descending section, be provided with the electrode special track in the burner hearth, the polarized electric field of piezoelectricity end and generating end is provided respectively by voltage control system respectively, continuous furnace can be realized temperature province control, can realize the polarizing voltage of the transformer on the polarization car is controlled; Also comprise special setting under the effect of hydraulic propelling system, with slide on the electrode track of certain speed in burner hearth one the polarization car, this polarization car is integrated two layers of car, comprise: lower floor's base plate 1 of an insulation, base plate 1 is to make with high insulativity and high-temperature material, two groups of metal movable pulleies 3 are housed below the base plate 1, be connected with the two arrays of electrodes of polarization car respectively and apply piezoelectricity terminal voltage (4), be provided with many above the base plate 1 to piezoelectricity end in contact spring leaf 2, on base plate 1, also be fixed with the top plate 7 of an insulation, arrange on the top plate 7 a plurality of current-limiting resistances 6 are installed, an end of top plate 7 also is provided with and the spring leaf 5 of the end in contact of generating electricity and the terminal voltage contact lever 8 that generates electricity.
In implementation process, directly piezoelectric ceramic transformer by its electrode tip polarization car of correctly packing into, by hydraulic propelling system, the car that will polarize by setup program is advanced in the continuous furnace with certain speed, heating furnace can carry out subregion temperature control by temperature control system, sees for details shown in the work system flow chart of Fig. 3.The highest region territory temperature of continuous furnace should heat and controls to above 20～30 ℃ of polarized material Curie-point temperature, is that medium polarizes with the air.
Special-purpose polarization car (referring to Fig. 2) is integrated two layers of car, base plate is to make with high insulativity and high-temperature material, under the polarization car two groups of metal movable pulleies are housed, two arrays of electrodes with the polarization car is connected respectively, sliding on the electrode of certain speed in burner hearth under the effect of hydraulic propelling system, polarized electric field as the piezoelectricity end, the upper strata is drawn an electrode again and is slided on electrode track equally, polarized electric field as the generating end, the car that will polarize advances continuously in the heating polarization stove, and to piezoelectricity end and the polarization simultaneously of generating end, its polarized electric field can be controlled by voltage control system, general E generating end is 520V/mm, and E piezoelectricity end is 550V/mm.
Continous way heating polarization stove generally is similar to the push-plate type heating furnace, divide the section that heats up, three temperature control districts of soaking zone and temperature descending section, heating zone and cooling area all adopt even temperature lift-down curve, temperature retention time only needs 5～8min, be provided with the electrode special track in the burner hearth, the polarized electric field of piezoelectricity end and generating end is provided respectively by voltage control system respectively, this polar system is simple in structure, particularly special-purpose polarization car is used, piezoelectric ceramic transformer generating end and piezoelectricity end are polarized simultaneously, improved production efficiency greatly, characteristics such as easy to operate obtain satisfied effect in actual applications.
Claims (2)
1. the method for a plate piezoelectric transformer continuous polarization is characterized in that, carries out according to the following steps:
1). directly piezoelectric ceramic transformer by its electrode tip polarization car of correctly packing into, by hydraulic propelling system, the car that will polarize by setup program is advanced in the continuous furnace with certain speed, is that medium polarizes with the air;
2). the highest region territory temperature of continuous furnace, should heat and control to above 20 ℃～30 ℃ of polarized material Curie-point temperature;
A. be 5min from ℃ zone, normal temperature district to 150;
B. be 17min from ℃ zone, 150 ℃ of zones to 300;
C. be 8min from ℃ zone, 300 ℃ of zones to 350;
D. be 30min from ℃ zone, 350 ℃ of zones to 80;
E. the zone is 10min from 80 ℃ of zones to normal temperature;
F. from the normal temperature zone to polarization isolation the zone 10min;
G. from the polarization isolation zone to region of discharge 5min;
3). its polarized electric field can be controlled by voltage control system, and general E generating end is 520V/mm, and E piezoelectricity end is 550V/mm, piezoelectricity end and the polarization simultaneously of generating end.
2. device that is used to realize the method for the described plate piezoelectric transformer continuous polarization of claim 1, comprise: continous way heating polarization stove generally is similar to the push-plate type heating furnace, it is characterized in that: heating furnace divides heat up section, soaking zone and three temperature control districts of temperature descending section, be provided with the electrode special track in the burner hearth, the polarized electric field of piezoelectricity end and generating end is provided respectively by voltage control system respectively, continuous furnace can be realized temperature province control, can realize the polarizing voltage of the transformer on the polarization car is controlled; Also comprise special setting under the effect of hydraulic propelling system; with slide on the electrode track of certain speed in burner hearth a kind of polarization car; polarized electric field as the piezoelectricity end; the upper strata is drawn an electrode again and is slided on electrode track equally; polarized electric field as the generating end; the piezoelectric ceramic transformer large-scale production is medium with the air; piezoelectricity end and the polarization simultaneously of generating end; this polarization car is integrated two layers of car; comprise: lower floor's base plate [1] of an insulation; base plate [1] is to make with high insulativity and high-temperature material; two groups of metal movable pulleies [3] are housed below the base plate [1]; be connected with the two arrays of electrodes of polarization car respectively and apply piezoelectricity terminal voltage [4]; be provided with many above the base plate [1] to piezoelectricity end in contact spring leaf [2]; also be fixed with the top plate [7] of an insulation on base plate [1], top plate [7] is gone up to arrange a plurality of current-limiting resistances [6] is installed, and an end of top plate [7] also is provided with and the spring leaf [5] of the end in contact of generating electricity and the terminal voltage contact lever [8] that generates electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021144400A CN1145226C (en) | 2002-02-08 | 2002-02-08 | Continuous polarization method of plate piezoelectric transformer and its equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021144400A CN1145226C (en) | 2002-02-08 | 2002-02-08 | Continuous polarization method of plate piezoelectric transformer and its equipment |
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| CN1367543A true CN1367543A (en) | 2002-09-04 |
| CN1145226C CN1145226C (en) | 2004-04-07 |
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| CNB021144400A Expired - Fee Related CN1145226C (en) | 2002-02-08 | 2002-02-08 | Continuous polarization method of plate piezoelectric transformer and its equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832335A (en) * | 2012-08-27 | 2012-12-19 | 宁波凯普电子有限公司 | Polarization clamp and polarization method of piezoelectric ceramic feedback type buzzer silver sheets |
| CN111554803A (en) * | 2020-05-26 | 2020-08-18 | 大连理工大学 | Piezoelectric element partition polarization device |
-
2002
- 2002-02-08 CN CNB021144400A patent/CN1145226C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832335A (en) * | 2012-08-27 | 2012-12-19 | 宁波凯普电子有限公司 | Polarization clamp and polarization method of piezoelectric ceramic feedback type buzzer silver sheets |
| CN102832335B (en) * | 2012-08-27 | 2015-02-18 | 宁波凯普电子有限公司 | Polarization clamp and polarization method of piezoelectric ceramic feedback type buzzer silver sheets |
| CN111554803A (en) * | 2020-05-26 | 2020-08-18 | 大连理工大学 | Piezoelectric element partition polarization device |
| CN111554803B (en) * | 2020-05-26 | 2021-09-24 | 大连理工大学 | Piezoelectric element partition polarization device |
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| Publication number | Publication date |
|---|---|
| CN1145226C (en) | 2004-04-07 |
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Denomination of invention: Continuous polarization method of plate piezoelectric transformer and its equipment Effective date of registration: 20140925 Granted publication date: 20040407 Pledgee: Bank of Chongqing Limited by Share Ltd Xi'an branch Pledgor: Xi'an Kanghong New Material Technology Co., Ltd. Registration number: 2014610000021 |
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Date of cancellation: 20151030 Granted publication date: 20040407 Pledgee: Bank of Chongqing Limited by Share Ltd Xi'an branch Pledgor: Xi'an Kanghong New Material Technology Co., Ltd. Registration number: 2014610000021 |
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Denomination of invention: Continuous polarization method of plate piezoelectric transformer and its equipment Effective date of registration: 20151104 Granted publication date: 20040407 Pledgee: Bank of Chongqing Limited by Share Ltd Xi'an branch Pledgor: Xi'an Kanghong New Material Technology Co., Ltd. Registration number: 2015610000015 |
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