CN101593748B - Cascade connected thyristor valve section in jacking connection - Google Patents
Cascade connected thyristor valve section in jacking connection Download PDFInfo
- Publication number
- CN101593748B CN101593748B CN 200910065332 CN200910065332A CN101593748B CN 101593748 B CN101593748 B CN 101593748B CN 200910065332 CN200910065332 CN 200910065332 CN 200910065332 A CN200910065332 A CN 200910065332A CN 101593748 B CN101593748 B CN 101593748B
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- Prior art keywords
- roof pressure
- valve section
- radiator
- thyristor
- connects
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000002788 crimping Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Safety Valves (AREA)
- Thyristors (AREA)
Abstract
The invention discloses a cascade connected thyristor valve section in jacking connection, which comprises a framework, wherein one end of the framework is provided with an elastic clamping device while the other end is provided with a jacking device, a valve bank consisting of thyristors and heat radiators are arranged alternately between the elastic clamping device and the jacking device, the cascade connected thyristor valve section in jacking connection has a horizontal structure, the heat radiators in the horizontal valve section are positioned and hung in the framework through tension springs connected between the heat radiators and valve section fixing plates, and positioning pins aiming at the thyristors are fixed on two lateral surfaces of each heat radiator along the axial direction of the valve section respectively; and the positioning pins make the thyristors and the heat radiators concentric. By adopting the structure, the central connecting lines of the heat radiators and the thyristors are coincided with the central line of the valve section through the positioning pins on the tension springs and the heat radiators in the horizontal cascade connected thyristor valve section in jacking connection, the stress of each thyristor is ensured to be even, and the mechanical stability of the whole valve section is improved.
Description
Technical field
The present invention relates to the rectification or the inverter of high-power electric and electronic in the electric power system, make specifically to relate to the series thyristor valve section that a kind of powerful roof pressure connects.
Background technology
Traditional high power semiconductor component dress pressure mode is to be formed by connecting by screw rod, nut by both sides pressing plate, radiator, in order to guarantee the reliability and stability of this kind crimping mode, guarantee the thrust of valve section again by two holddown belts of both sides, but there are a lot of drawbacks in this crimping mode, first: when the valve section was installed in assembling, the depth of parallelism, the perpendicularity of adjusting each position of components were relatively more difficult; Second: the holddown belt of both sides is because what use is that certain flexible material is arranged, and as the GRP material, equipment is through after the operation for a long time, and elastomeric material can wear out, and it is not enough and bring the loose contact phenomenon to produce between thyristor and the radiator pressure like this; The 3rd: the pressure between the valve section is non-adjustable, more can not visually keep certain pressure; The 4th: during on-site maintenance, the thyristor of changing in the valve section has sizable difficulty.Nowadays, along with being extensive use of of high-power thyristor, the user presses for this class problem of solution, comes assurance equipment to move reliably, and brings convenience for the on-site maintenance personnel.
On March 29th, 2006, disclosed application number was that 200510102663.5 Chinese invention patent specification discloses the series thyristor valve section Prossure fixing mechanism that roof pressure that roof pressure connects connects; this Prossure fixing mechanism comprises by the head end flange at the load epoxy plate and the two ends that are connected respectively and the framework that the tail end flange is formed; locate to be equipped with the stage clip guide rod on its head end flange; be with the dish spring on the pressure ring guide rod; the dish spring is provided with dish spring screening glass near head end flange side; the opposite side of dish spring is equipped with water conservancy diversion copper bar and transition adjustment circle aluminium; the end flanges that truncates side is installed with fairlead; fairlead is set with transition adjustment circle aluminium successively towards head end flange side; tail end water conservancy diversion copper bar and roof pressure guide rod; the outside of tail end flange is coated with the adjustment bolt, is serially connected with the radiator and the thyristor of the alternate setting of many groups between head and the tail two transition adjustment circle aluminium.The series thyristor valve section Prossure fixing mechanism that this roof pressure connects is by adjusting the adjustment bolt on the tail end flange, utilize the elastic force of dish spring to adjust clamping force between radiator and the thyristor, but, thyristor in the series thyristor valve section Prossure fixing mechanism that this roof pressure connects and radiator are when mounted, its frame vertical straight must be placed, by hand thyristor and radiator are put at interval then, thyristor and radiator must need to aim at by hand the central axis of framework, hold out against with the roof pressure guide rod then, it adopts manual mode of aiming at not only to assemble trouble but also error is bigger, causes framework easily, decentraction between roof pressure guide rod and thyristor and the radiator; In addition, when adjusting the clamping force of bolt adjustment thyristor by rotation, adjust the reason of parts such as bolt, roof pressure guide rod and transition adjustment circle aluminium because of machining accuracy, the rotation that is easy to generate because of the adjustment bolt causes roof pressure guide rod or transition adjustment circle aluminium generation circular runout phenomenon, cause decentraction between roof pressure guide rod and transition adjustment circle aluminium or the thyristor, skewness appears in the discontinuity of thyristor, and the mechanical stability of product is poor.
Summary of the invention
The objective of the invention is: the series thyristor valve section that provides a kind of roof pressure to connect, the series thyristor valve section that this roof pressure connects have easy to assembly, centering accurately make thyristor axial stressed evenly, the characteristics such as mechanical stability height of valve section.
Technical scheme of the present invention is: the series thyristor valve section that a kind of roof pressure connects, comprise the framework that the flange by the fixed head of valve section both sides and two ends is connected and surrounds, one end flanges of framework is provided with elastic clamp device, the other end flange of framework is provided with jack unit, the valve group of being made up of the thyristor and the radiator of alternate setting is installed between elastic clamp device and jack unit, be respectively equipped with the extension spring of each radiator that is located by connecting on the both sides fixed head of the series thyristor valve section that described roof pressure connects, each radiator is located respectively by described extension spring and is suspended on framework, the central axis of each radiator and frame center dead in line, along the alignment pin that is fixed with respectively on the axial two sides of valve section at thyristor, this alignment pin makes each thyristor and radiator concentric at each radiator.
Radiator of the corresponding connection of two extension springs that are oppositely arranged on the both sides fixed head of described thyristor valve section.
Described jack unit comprises the sphere adjustment bolt that axially is located on the frame ends flange, the end roof pressure that this sphere is adjusted bolt is combined with a roof pressure axle, this roof pressure axle is located in the fairlead that is fixed on the flange, and described fairlead and roof pressure axle only revolve and are slidingly matched by being axially disposed within locking key in the fairlead trepanning.
Described spherical bolt and the roof pressure adjusted is coupling and offers ball recess on the end face that touches, and the notch of this ball recess is provided with half circular bulb towards the roof pressure direction of principal axis in ball recess, the end face of this semicircle bulb and described roof pressure axial end contact matching.
The two ends of the series thyristor valve section that connects at roof pressure are provided with the water conservancy diversion copper bar with the junction of elastic clamp device and roof pressure axle respectively, described roof pressure axle cooperates with water conservancy diversion copper bar roof pressure by a platen, this platen is fixedlyed connected with the water conservancy diversion copper bar by steady pin, offer the groove that coincide and cooperate with the roof pressure axle at the platen and the center of the mating surface of roof pressure axle, the inserting of roof pressure axle is in this groove.
The end of described fairlead is a conical structure.
Adopt said structure, by extension spring radiator is suspended in the framework in the series thyristor valve section that roof pressure of the present invention connects, length and pulling force by the design extension spring can be positioned at frame center with each radiator easily, make the line of centres of each radiator and the central lines of valve section, alignment pin on the radiator not only is convenient in the framework of horizontal type structure thyristor is installed, but also can when being installed, thyristor position thyristor, make thyristor and radiator concentric, guarantee that each thyristor is stressed evenly, improved the mechanical stability of valve section integral body; Hold-down mechanism makes only to revolve between roof pressure axle and the fairlead by locking key and cooperates, in the installation of valve section, the roof pressure axle can not produce beating radially, and its roof pressure power that will adjust bolt is loaded on the valve section with one heart by fairlead, thyristor skewness can not occur, and the quality of product significantly increases.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the cutaway view of Fig. 1 along central axis;
Fig. 3 is the structural representation of radiator among the present invention;
Fig. 4 is the structural representation of ball stud among the present invention.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the series thyristor valve section that roof pressure of the present invention connects is a horizontal type structure, this horizontal valve section comprises by both sides fixed head 1,2 and the flange 3 at two ends, 4 frameworks that surround, be positioned at an end flanges 3 in the framework and be provided with, be fixed with by fairlead 10 on the flange 4 of the other end by clamping the elastic clamp device that telescopic shaft 16 and dish spring 9 are formed, be arranged on the locking key 15 in fairlead 10 trepannings, axially only revolve the roof pressure axle 12 and the sphere of spinning on flange that are slidedly assemblied in the fairlead 10 center trepannings by locking key 15 and adjust the jack unit that bolt 8 is formed.For strengthening the structural stress of fairlead 10, the end of this fairlead 10 is a pyramidal structure.Sphere is wherein adjusted bolt 8 and is comprised bolt body 81, on bolt body 81 and contact-making surface that roof pressure axle 12 roof pressures cooperate, offer a ball recess, the notch of this ball recess is towards the direction of roof pressure axle 12, in ball recess, be equipped with half circular bulb 82, this semicircle bulb 82 can touch 60 ° tapering inward turning switching in bolt body 81, makes the end face of semicircle bulb 82 and the end face of roof pressure axle 12 be plane contact in 60 ° tapering.The valve group of being made up of the thyristor 6 and the radiator 5 of alternate setting is installed in the framework between elastic clamp device and jack unit.Wherein, corresponding respectively each radiator 5 is provided with extension spring 7 on the fixed head 1,2 of valve section both sides, each radiator 5 by its with both sides fixed head 1,2 between the extension spring that is connected 7 location be suspended in the framework, parameters such as length by design extension spring 7 and pulling force can make the axle center of radiator 5 concentric with the valve section.At each radiator 5 along the alignment pin 51,52 that is fixed with respectively on the axial two sides of valve section at thyristor, the characteristic shape and the concrete size of thyristor 6 considered in the position of thyristor alignment pin when design, guarantee that thyristor 6 just is stuck on the thyristor alignment pin 51,52 when mounted, make the central lines of the center line and the radiator 5 of thyristor 6.
The two ends of the series thyristor valve section that connects at roof pressure are provided with water conservancy diversion copper bar 13,14 with the junction of elastic clamp device and roof pressure axle 12 respectively, wherein with on the water conservancy diversion copper bar 14 that roof pressure axle 12 roof pressures cooperate be fixedly connected with a platen 11 by steady pin, offer the groove that coincide and cooperate with roof pressure axle 12 at the platen 11 and the center of the mating surface of roof pressure axle 12,12 insertings of roof pressure axle are in this groove.
Claims (6)
1. the series thyristor valve section that connects of a roof pressure, comprise the framework that the flange by the fixed head of valve section both sides and two ends is connected and surrounds, one end flanges of framework is provided with elastic clamp device, the other end flange of framework is provided with jack unit, the valve group of being made up of the thyristor and the radiator of alternate setting is installed between elastic clamp device and jack unit, it is characterized in that, be respectively equipped with the extension spring of each radiator that is located by connecting on the both sides fixed head of the series thyristor valve section that described roof pressure connects, each radiator is located respectively by described extension spring and is suspended on framework, the central axis of each radiator and frame center dead in line, along the alignment pin that is fixed with respectively on the axial two sides of valve section at thyristor, this alignment pin makes each thyristor and radiator concentric at each radiator.
2. the series thyristor valve section that roof pressure according to claim 1 connects is characterized in that, radiator of the corresponding connection of two extension springs that are oppositely arranged on the both sides fixed head of described thyristor valve section.
3. the series thyristor valve section that roof pressure according to claim 1 and 2 connects, it is characterized in that, described jack unit comprises the sphere adjustment bolt that axially is located on the frame ends flange, the end roof pressure that this sphere is adjusted bolt is combined with a roof pressure axle, this roof pressure axle is located in the fairlead that is fixed on the flange, described fairlead and roof pressure axle are slidingly matched, and are provided with the roof pressure axle only to revolve the locking key that cooperates in the trepanning of fairlead.
4. the series thyristor valve section that roof pressure according to claim 3 connects, it is characterized in that, described spherical bolt and the roof pressure adjusted is coupling and offers ball recess on the end face that touches, the notch of this ball recess is towards the roof pressure direction of principal axis, in ball recess, be provided with half circular bulb, the end face contact matching of the end face of this semicircle bulb and described roof pressure axle.
5. the series thyristor valve section that roof pressure according to claim 4 connects, it is characterized in that, the two ends of the series thyristor valve section that connects at roof pressure are provided with the water conservancy diversion copper bar with the junction of elastic clamp device and roof pressure axle respectively, described roof pressure axle cooperates with water conservancy diversion copper bar roof pressure by a platen, this platen is fixedlyed connected with the water conservancy diversion copper bar by steady pin, offer the groove that coincide and cooperate with the roof pressure axle at the platen and the center of the mating surface of roof pressure axle, the inserting of roof pressure axle is in this groove.
6. the series thyristor valve section that roof pressure according to claim 5 connects is characterized in that the end of described fairlead is a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910065332 CN101593748B (en) | 2009-06-30 | 2009-06-30 | Cascade connected thyristor valve section in jacking connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910065332 CN101593748B (en) | 2009-06-30 | 2009-06-30 | Cascade connected thyristor valve section in jacking connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101593748A CN101593748A (en) | 2009-12-02 |
| CN101593748B true CN101593748B (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910065332 Active CN101593748B (en) | 2009-06-30 | 2009-06-30 | Cascade connected thyristor valve section in jacking connection |
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| Country | Link |
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| CN (1) | CN101593748B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795051B (en) * | 2009-12-25 | 2013-02-06 | 中国电力科学研究院 | Valve module of thyristor current change valve used for high-voltage DC transmission |
| CN102136468B (en) * | 2010-12-16 | 2012-07-11 | 许继集团有限公司 | Thyristor valve section and crimping method thereof |
| CN102290495A (en) * | 2011-09-20 | 2011-12-21 | 株洲变流技术国家工程研究中心有限公司 | Press-mounting method of horizontal type light-controlled thyristor valve group and thyristor valve group |
| CN103354233B (en) * | 2013-06-26 | 2016-03-02 | 许继电气股份有限公司 | A kind of thyristor valve section and jack unit thereof |
| KR101921585B1 (en) * | 2014-07-01 | 2018-11-26 | 지멘스 악티엔게젤샤프트 | Clamping assembly having a pressure element |
| CN106328577A (en) * | 2015-06-29 | 2017-01-11 | 国网智能电网研究院 | Jacking mechanism for thyristor valve |
| CN105428346B (en) * | 2015-11-02 | 2017-12-26 | 许继电气股份有限公司 | A kind of multistage H bridges series valve section of compression joint type IGBT compositions |
| CN107731798B (en) * | 2017-09-08 | 2019-08-06 | 许继电气股份有限公司 | A kind of compression joint type power module valve section and valve segment frames |
| CN107958887B (en) * | 2017-11-28 | 2019-01-18 | 中国西电电气股份有限公司 | A kind of crimping structure of multistage Thyristors in series |
| CN115259294B (en) * | 2022-08-08 | 2023-10-27 | 华北电力科学研究院有限责任公司 | Device and method for adjusting PH of water body |
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2009
- 2009-06-30 CN CN 200910065332 patent/CN101593748B/en active Active
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| CN101593748A (en) | 2009-12-02 |
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Owner name: STATE ELECTRIC NET CROP. Effective date: 20121015 |
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Effective date of registration: 20121015 Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: Xuji Group Co., Ltd. Patentee after: State Grid Corporation of China Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: Xuji Group Co., Ltd. |
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Owner name: XUJI ELECTRIC CO., LTD. Free format text: FORMER OWNER: XUJI GROUP CO., LTD. Effective date: 20131129 |
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Effective date of registration: 20131129 Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: Xuji Electric Co., Ltd. Patentee after: State Grid Corporation of China Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: Xuji Group Co., Ltd. Patentee before: State Grid Corporation of China |