CN102738100B - Positive tube holder for serial thyristors - Google Patents
Positive tube holder for serial thyristors Download PDFInfo
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- CN102738100B CN102738100B CN201210196638.8A CN201210196638A CN102738100B CN 102738100 B CN102738100 B CN 102738100B CN 201210196638 A CN201210196638 A CN 201210196638A CN 102738100 B CN102738100 B CN 102738100B
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- porcelain ring
- gate pole
- cathode end
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Abstract
The invention relates to a positive tube holder for serial thyristors. The positive tube holder comprises a positive electrode, wherein a positive connecting ring is concentrically sealed with the periphery of the positive electrode; a ceramic ring is concentrically sealed with the positive connecting ring; a positive flange is concentrically sealed with the end of the ceramic ring; a plurality of gate lead-out tubes are arranged on the ceramic ring; the gate lead-out tubes are uniformly sealed with the outer wall of the ceramic ring; one end of each gate lead-out tube penetrates through the ceramic ring; the upper part of the positive electrode is also provided with a plurality of negative lead-out bodies; the number of the negative lead-out bodies is consistent with that of the gate lead-out tubes; each negative lead-out body comprises a negative lead-out lug positioned on the positive flange and a plurality of negative lead-out terminal components positioned on the ceramic ring; the negative lead-out terminal components are sealed with the outer wall of the ceramic ring; and one end of each negative lead-out terminal component penetrates through the ceramic ring. The positive tube holder is simple and compact in structure, safe and reliable, the size is reduced, the positive tube holder is convenient to assemble in a pressing mode, and the using effect of the serial thyristors is improved.
Description
Technical field
The present invention relates to a kind of anode base, especially a kind of anode base for concatenation type thyristor, specifically a kind of anode base of alternative three groups of concatenation type thyristor bases, belongs to the technical field of power electronics.
Background technology
Along with power electronic equipment is to the development of high pressure, large electric current, high power direction, increasing occasion need be used several Thyristors in series and connect as an arm.When series thyristor work, all pressures of each device are topmost problems.If a work period of series connection device is divided into double teacher, can comprises forward blocking, open, on-state, oppositely recover and the reverse blocking stage.In forward and reverse blocking stage, the voltage distribution of series connection device is mainly blocked voltage-current characteristic by it and is determined, under hard, the identical leakage current of characteristic, the high device of blocking voltage will bear higher voltage.In the stage of opening, device is by off-state to on-state transition, if the Time Inconsistency that device is opened, the device of opening afterwards will bear overvoltage at short notice.In the reverse recovery stage, device is by on-state to reverse blocking state transition, and principal current oppositely extracts after a certain amount of QRR Qrr, and device recovers reverse blocking capability.If the reverse recovery characteristic of series connection device is inconsistent, the device first recovering will bear overvoltage.According to above-mentioned analysis, series thyristor mainly needs to solve forward and reverse blocking-up, open and recover three kinds of the voltage distribution problems under state, i.e. voltage-sharings of device.
For solving the voltage-sharing in series thyristor work, for ensureing the electric voltage equalization of device under blocking state, can give every series connection device grading resistor Rp in parallel, adopt resistance capaciting absorpting circuit in parallel to carry out dynamic voltage balancing.Meanwhile, due to the blocking-up of device, open, the characteristic such as recovery all changes with the variations in temperature of chip, therefore ensures that series connection device arbitrary state and the moment in the course of the work all have synchronous variations in temperature, is to ensure the reliable basis of all pressing of device.In possible occasion, can consider to allow series connection device share same radiator.In addition, serial connection thyristor also has problems in all many-sides such as assembling, device overall volume, components and parts global reliabilities.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of anode base for concatenation type thyristor is provided, it is simple and compact for structure, reduces volume, press-fits conveniently, improves the result of use of concatenation type thyristor, safe and reliable.
According to technical scheme provided by the invention, the described anode base for concatenation type thyristor, comprises anode electrode; The outer rim of described anode electrode is sealed with anodic bonding ring with one heart, described anodic bonding ring is provided with the porcelain ring of concentric sealing-in, the end of described porcelain ring is provided with the anode flange of concentric sealing-in, porcelain ring is provided with some gate pole extraction tubes for triggering, described gate pole extraction tube is evenly packaged on the outer wall of porcelain ring, and one end of gate pole extraction tube is stretched in porcelain ring through after porcelain ring; The top of anode electrode is also provided with some negative electrode lead bodies for thyristor negative electrode is drawn, and the quantity of described negative electrode lead body is consistent with the quantity of gate pole extraction tube; Described negative electrode lead body comprises that the negative electrode being positioned on anode flange draws auricle and be positioned at the some cathode end assemblies on porcelain ring, described cathode end assembly is packaged on the outer wall of porcelain ring, and one end of cathode end assembly is stretched in porcelain ring through after porcelain ring.
Described gate pole extraction tube comprises that the first gate pole is drawn body, the second gate pole draws body and the 3rd gate pole is drawn body, and the first gate pole is drawn body, the second gate pole and drawn body and the 3rd gate pole and draw 120 °, body interval and be distributed on porcelain ring.
Described cathode end assembly comprises the first cathode end and the second cathode end, and described negative electrode is drawn auricle, the first cathode end and the distribution of 120 °, the second cathode end interval.
Described the first cathode end and the second exit include negative electrode and draw body and be positioned at described negative electrode and draw the extraction tube positioning sleeve on body.
Described the first cathode end and the second cathode end are all packaged on porcelain ring by silver soldering.
Described porcelain ring adopts 95% aluminium oxide ceramics.
Three gate pole extraction tubes are set on described porcelain ring.
Described porcelain ring is provided with some bulge loops.
Advantage of the present invention: porcelain ring distributes with anode electrode is concentric, some gate pole extraction tubes are set on porcelain ring, the top magnitude setting negative electrode lead body consistent with gate pole extraction tube of anode electrode, can outwards draw the thyristor chip that is installed on anode electrode end by gate pole extraction tube, negative electrode lead body; Multiple thyristor chips utilize an anode electrode and cathode electrode jointly, and the voltage-sharing can avoid single Thyristors in series time, has reduced assembly volume; Press-fit conveniently, reduced radiator quantity and working strength; Reduce test job amount; Reduce the contact impedance of element, be conducive to electrical property and improve; When use, be convenient to install, safe and reliable.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is that A in Fig. 2 is to schematic diagram.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Fig. 1 ~ Fig. 3: the present invention includes anode flange 1, porcelain ring 2, anodic bonding ring 3, anode electrode 4, the first gate pole and draw that body 5, the first cathode end 6, the second cathode end 7, the second gate pole are drawn body 8, the 3rd gate pole is drawn body 9, negative electrode extraction tube 10, extraction tube positioning sleeve 11 and bulge loop 12 and drawn auricle 13 with negative electrode.
As shown in Figure 1, Figure 2 and Figure 3: the present invention comprises anode electrode 4 for the anode base of concatenation type thyristor; The outer rim of described anode electrode 4 is sealed with anodic bonding ring 3 with one heart, described anodic bonding ring 3 is provided with the porcelain ring 2 of concentric sealing-in, the end of described porcelain ring 2 is provided with the anode flange 1 of concentric sealing-in, porcelain ring 2 is provided with some gate pole extraction tubes for serial connection gate circuit transistor gate is drawn, described gate pole extraction tube is evenly packaged on the outer wall of porcelain ring 2, and one end of gate pole extraction tube is stretched in porcelain ring 2 through after porcelain ring 2; The top of anode electrode 4 is also provided with some negative electrode lead bodies for thyristor negative electrode is drawn, and the quantity of described negative electrode lead body is consistent with the quantity of gate pole extraction tube; Described negative electrode lead body comprises that the negative electrode being positioned on anode flange 1 draws auricle 13 and be positioned at the some cathode end assemblies on porcelain ring 2, described cathode end assembly is packaged on the outer wall of porcelain ring 2, and one end of cathode end assembly is stretched in porcelain ring 2 through after porcelain ring 2.Usually, the quantity that gate pole extraction tube is set on porcelain ring 2 is more than three or three, specifically need to be according to process conditions and actual demand setting.
The present invention further illustrates as example so that three gate pole extraction tubes to be set on porcelain ring 2.In the time that gate pole extraction tube is three, the quantity of negative electrode lead body is also three, thereby in anode base of the present invention, three thyristor chips can be installed, and forms the anode tube holder structure of alternative three thyristors serial connection use.When gate pole extraction tube is when more than three, can form in theory the form that more polycrystalline brake tube serial connection is used.
Particularly: described gate pole extraction tube comprises that the first gate pole draws body 5, the second gate pole and draw body 8 and the 3rd gate pole and draw body 9, the first gate poles and draw body 5, the second gate pole and draw body 8 and the 3rd gate pole and draw 120 °, body 9 interval and be distributed on porcelain ring 2.Described cathode end assembly comprises the first cathode end 6 and the second cathode end 7, and described negative electrode is drawn auricle 13, the first cathode end 6 and the second cathode end 120 °, 7 interval distribution.Described the first cathode end 6 and the second exit 7 include negative electrode and draw body 10 and be positioned at described negative electrode and draw the extraction tube positioning sleeve 11 on body 10; In the embodiment of the present invention, make the stability of negative electrode extraction tube 10 courses of work by extraction tube positioning sleeve 11, ensured sealing strength and the air-tightness requirement of negative electrode lead body and porcelain ring 2.Described the first cathode end 6 and the second cathode end 7 are all packaged on porcelain ring 2 by silver soldering.In the embodiment of the present invention, spaced apart between gate pole extraction tube and negative electrode lead body, the first gate pole is drawn body 5, the second gate pole draws body 8 and the 3rd gate pole is drawn 120 °, the interval distribution between body 9, draw the interference between line to reduce gate circuit transistor gate, the effect of setting that is uniformly distributed of negative electrode lead body is also disturbed for reducing.
Usually, porcelain ring 2 adopts 95% aluminium oxide ceramics to make, and some bulge loops 12 are set on porcelain ring 2, has increased creepage distance by bulge loop 12, improves insulation isolation effect.
As shown in Fig. 1 ~ Fig. 3: when use, three thyristor chips are positioned on anode electrode 4, thyristor chip is positioned at porcelain ring 2, for isolating with exterior insulation.Connecting line on three thyristor chips is connected with gate pole extraction tube, negative electrode lead body on porcelain ring 2, to form the form of three thyristor serial connections.After above-mentioned connection completes, by cathode tube lid gland on anode base, to form the thyristor of alternative three serial connections.When single Thyristors in series uses, because each thyristor all has an anode electrode, cathode electrode, when therefore single Thyristors in series uses, there is voltage-sharing.Form a common anode electrode 4, the cathode electrode of using of thyristor of serial connection by anode base of the present invention, voltage-sharing can avoid single Thyristors in series time, therefore anode base of the present invention can substitute the monomer base of three concatenation type thyristors.
The technology of the present invention index:
Sealing-in air-tightness≤1 × 10
-8pam
3/ S; Sealing strength>=5KN/cm
2.
Porcelain ring 2 of the present invention and the concentric distribution of anode electrode 4, some gate pole extraction tubes are set on porcelain ring 2, the top magnitude setting negative electrode lead body consistent with gate pole extraction tube of anode electrode 4, can outwards draw the thyristor chip that is installed on anode electrode 4 ends by gate pole extraction tube, negative electrode lead body; Multiple thyristor chips utilize an anode electrode 4 and cathode electrode jointly, and the voltage-sharing can avoid single Thyristors in series time, has reduced assembly volume.Press-fit conveniently, reduced radiator quantity and working strength.Reduce test job amount.Reduce the contact impedance of element, be conducive to electrical property and improve.When use, be convenient to install.
Claims (8)
1. for an anode base for concatenation type thyristor, comprise anode electrode (4); It is characterized in that: the outer rim of described anode electrode (4) is sealed with anodic bonding ring (3) with one heart, described anodic bonding ring (3) is provided with the porcelain ring (2) of concentric sealing-in, the end of described porcelain ring (2) is provided with the anode flange (1) of concentric sealing-in, porcelain ring (2) is provided with some gate pole extraction tubes for serial connection gate circuit transistor gate is drawn, described gate pole extraction tube is evenly packaged on the outer wall of porcelain ring (2), and one end of gate pole extraction tube is stretched in porcelain ring (2) through after porcelain ring (2); The top of anode electrode (4) is also provided with some negative electrode lead bodies for thyristor negative electrode is drawn, and the quantity of described negative electrode lead body is consistent with the quantity of gate pole extraction tube; Described negative electrode lead body comprises that the negative electrode being positioned on anode flange (1) draws auricle (13) and be positioned at the some cathode end assemblies on porcelain ring (2), described cathode end assembly is packaged on the outer wall of porcelain ring (2), and one end of cathode end assembly is stretched in porcelain ring (2) through after porcelain ring (2).
2. the anode base for concatenation type thyristor according to claim 1, it is characterized in that: described gate pole extraction tube comprises that the first gate pole is drawn body (5), the second gate pole draws body (8) and the 3rd gate pole is drawn body (9), the first gate pole is drawn body (5), the second gate pole and is drawn body (8) and the 3rd gate pole and draw 120 °, body (9) interval and be distributed on porcelain ring (2).
3. the anode base for concatenation type thyristor according to claim 1, it is characterized in that: described cathode end assembly comprises the first cathode end (6) and the second cathode end (7), described negative electrode is drawn auricle (13), the first cathode end (6) and the second cathode end (7) 120 °, interval distribution.
4. the anode base for concatenation type thyristor according to claim 3, is characterized in that: described the first cathode end (6) and the second cathode end (7) include negative electrode and draw body (10) and be positioned at described negative electrode and draw the extraction tube positioning sleeve (11) on body (10).
5. according to the anode base for concatenation type thyristor described in claim 3 or 4, it is characterized in that: described the first cathode end (6) and the second cathode end (7) are all packaged on porcelain ring (2) by silver soldering.
6. the anode base for concatenation type thyristor according to claim 1, is characterized in that: described porcelain ring (2) adopts 95% aluminium oxide ceramics.
7. the anode base for concatenation type thyristor according to claim 1, is characterized in that: more than three gate pole extraction tube is set on described porcelain ring (2).
8. the anode base for concatenation type thyristor according to claim 1, is characterized in that: described porcelain ring (2) is provided with some bulge loops (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196638.8A CN102738100B (en) | 2012-06-14 | 2012-06-14 | Positive tube holder for serial thyristors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196638.8A CN102738100B (en) | 2012-06-14 | 2012-06-14 | Positive tube holder for serial thyristors |
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| Publication Number | Publication Date |
|---|---|
| CN102738100A CN102738100A (en) | 2012-10-17 |
| CN102738100B true CN102738100B (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210196638.8A Active CN102738100B (en) | 2012-06-14 | 2012-06-14 | Positive tube holder for serial thyristors |
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| CN111106069B (en) * | 2018-10-26 | 2021-08-10 | 株洲中车时代半导体有限公司 | Thyristor shell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2824288Y (en) * | 2005-03-18 | 2006-10-04 | 江阴市赛英电子有限公司 | Precise casing for high power integrated gate electrode converting thyristor |
| CN101728335A (en) * | 2008-10-24 | 2010-06-09 | 江阴市赛英电子有限公司 | Base for pressure contact rapid radiating ceramic package |
| CN101728336A (en) * | 2008-10-24 | 2010-06-09 | 江阴市赛英电子有限公司 | Novel ceramic shell of gate turn off thyristor |
| CN202721118U (en) * | 2012-06-14 | 2013-02-06 | 无锡天杨电子有限公司 | Anode thyristor seat used for serially-connected thyristors |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575230A (en) * | 1978-12-04 | 1980-06-06 | Mitsubishi Electric Corp | Semiconductor device |
-
2012
- 2012-06-14 CN CN201210196638.8A patent/CN102738100B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2824288Y (en) * | 2005-03-18 | 2006-10-04 | 江阴市赛英电子有限公司 | Precise casing for high power integrated gate electrode converting thyristor |
| CN101728335A (en) * | 2008-10-24 | 2010-06-09 | 江阴市赛英电子有限公司 | Base for pressure contact rapid radiating ceramic package |
| CN101728336A (en) * | 2008-10-24 | 2010-06-09 | 江阴市赛英电子有限公司 | Novel ceramic shell of gate turn off thyristor |
| CN202721118U (en) * | 2012-06-14 | 2013-02-06 | 无锡天杨电子有限公司 | Anode thyristor seat used for serially-connected thyristors |
Non-Patent Citations (1)
| Title |
|---|
| JP特开昭55-75230A 1980.06.06 |
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Denomination of invention: Anode socket for series thyristor Effective date of registration: 20201208 Granted publication date: 20140917 Pledgee: Bank of China Limited by Share Ltd. Wuxi Huishan branch Pledgor: WUXI TIANYANG ELECTRONICS Co.,Ltd. Registration number: Y2020980008967 |
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