CN102136468B - Thyristor valve section and crimping method thereof - Google Patents
Thyristor valve section and crimping method thereof Download PDFInfo
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- CN102136468B CN102136468B CN2010105918473A CN201010591847A CN102136468B CN 102136468 B CN102136468 B CN 102136468B CN 2010105918473 A CN2010105918473 A CN 2010105918473A CN 201010591847 A CN201010591847 A CN 201010591847A CN 102136468 B CN102136468 B CN 102136468B
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- 238000002788 crimping Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims description 57
- 239000010935 stainless steel Substances 0.000 claims description 57
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract 3
- 238000003825 pressing Methods 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 208000012886 Vertigo Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The invention relates to a thyristor valve section and a crimping method thereof. The thyristor valve section comprises a valve group consisting of water cooling radiators and thyristors which are arranged alternately, wherein the left and right ends of the valve group are provided with a left end plate and a right end plate of the valve section respectively; the upper and lower end parts of the left and right end plates of the valve section are provided with a boss respectively, and an upper clamping ring and a lower clamping ring are sleeved on the bosses; the valve group is clamped between the upper clamping ring and the lower clamping ring; a disc spring top-pressing device is clamped at an end of the right end plate of the valve section in contact with the valve section; the water cooling radiators of the valve group of the thyristor valve section are directly mounted on the lower clamping ring so as to ensure that the centers of the water cooling radiators are collinear, thus ensuring uniform thyristor crimping force; and moreover, as the crimping force is provided for the valve section by the disc spring top-pressing device, the upper and lower clamping rings and the left and right end plates of the valve section together without involving a bolt, the crimping reliability and stability of the system are greatly improved.
Description
Technical field
The present invention relates to high-power electric and electronic rectification and inverter, especially a kind of thyristor valve section and compression bonding method thereof.
Background technology
On December 2nd, 2009, disclosed application number was that 200910065332.7 Chinese patent specification discloses the series thyristor valve section that a kind of roof pressure connects; This valve section comprises 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 roof pressure connects, each radiator is located respectively through extension spring and is suspended on framework, the central axis of each radiator and frame center dead in line; Along being fixed with the alignment pin to thyristor respectively on the axial two sides of valve section, alignment pin makes each thyristor and radiator concentric at each radiator.This thyristor valve section crimping mode is to cause the compression of dish spring and produce pressure that with special bolt roof pressure thyristor this mode also need be processed special frock and guaranteed specific thrust.There are a lot of drawbacks in the crimping mode of this valve section, first: in order to make thrust evenly and pass the thyristor axle center, must use special bolt.If thrust improves, to special bolt and the higher designing requirement of metal end plate proposition of threaded engagement with it, the also corresponding raising of cost is a lot; Second: the metal end plate at thyristor valve section two ends links to each other with insulation board through plain bolt; Plain bolt bears very big shear stress; If six inches thyristors of crimping, this crimping mode can not provide required thrust, that is to say that this crimping mode can not six inches thyristors of crimping; The 3rd: thyristor valve section is except the dish spring, and other connections are and are rigidly connected, and system's internal stress is bigger, and stability is lower; The 4th: thyristor valve section is through the fixing water-filled radiator of small extension spring, and the center of radiator can not guarantee same straight line, causes thyristor pressure inhomogeneous, and if water-filled radiator bigger, will be difficult to fix with small extension spring; The 5th: the thyristor valve section radiator can only dispel the heat to thyristor, can not give other components and parts heat radiations simultaneously, and structure can't be accomplished compactness, can't realize that also wiring is nearer between components and parts, influences its electric property.
Summary of the invention
The purpose of this invention is to provide a kind of thyristor valve section and compression bonding method thereof; Use the extension spring fixed heat sink to solve existing thyristor valve section; The center of radiator can not guarantee same straight line; The internal stress that causes uneven problem of thyristor pressure and valve intersegmental part to be rigidly connected producing is big, the instable problem of the crimping of valve section.
For realizing above-mentioned purpose; Thyristor valve section of the present invention; Comprise valve group of being made up of the water-filled radiator and the thyristor of alternate setting and the framework that the valve group is installed, said framework is to be made up of left and right end plate of valve section and upper and lower clamping ring, and said upper and lower clamping ring is a Long Circle; The top and bottom of the left and right end plate of said valve section are respectively equipped with limited bolt; The two ends of last clamping ring are installed in the upper limit bolt of the left and right end plate of valve section, and the two ends of following clamping ring are installed in the lower limit bolt of the left and right end plate of valve section, and said valve section right end plate is provided with dish spring jack unit.
Further; Said dish spring jack unit is made up of stainless steel axle sleeve, locking nut, dish spring, stainless steel back-up ring and stainless steel baffle plate; Said locking nut spinning is in an end of stainless steel axle sleeve; The other end of stainless steel axle sleeve is at least two dish springs of suit and stainless steel back-up ring successively, and said stainless steel baffle plate is fixed on stainless steel shaft with screw and puts and be used to prevent that the dish spring from skidding off the stainless steel axle sleeve.
Further, the top and bottom of each water-filled radiator of said valve group are plugged in respectively in the upper and lower clamping ring gap.
Thyristor valve section compression bonding method step of the present invention is following:
(1) assembling is formed dish spring jack unit by stainless steel axle sleeve, locking nut, dish spring, stainless steel back-up ring and stainless steel baffle plate;
(2) the left and right end plate assembling of valve section: valve section right end plate is fixed on the correct frame through a contiguous block, is fastened in dish spring jack unit on the valve section right end plate; A central shaft and following clamping ring are installed on valve section first member plate, connecting plate are installed on left frame, the central shaft of valve section first member plate is inserted in the hole of connecting plate, and under clamping ring and valve section right end plate be fixed together;
(3) thyristor and water-filled radiator assembling: alternate successively from left to right water-filled radiator and the thyristor put on the clamping ring of mounted lower end; The boss inlay card of water-filled radiator lower end is in following clamping ring; Install clamping ring at last; And be fixed on the left and right end plate of valve section with catch, the boss inlay card on water-filled radiator top is in the clamping ring of upper end;
(4) pressurize to the valve section through dish spring jack unit.
Further; Said step (1) is that the end of locking nut from the stainless steel axle sleeve screwed in; At the other end of the stainless steel axle sleeve at least two dish springs of packing into successively; Load onto the stainless steel back-up ring then, be fixed on stainless steel shaft to the stainless steel baffle plate with screw at last and put, prevent that the dish spring from skidding off from the stainless steel axle sleeve.
Further, be that the pressurization termination with hydraulic tool is fastened on the valve section right end plate in the said step (4), give the pressurization of valve section with hydraulic tool; The stainless steel axle sleeve of the central shaft roof pressure dish spring jack unit of hydraulic tool; Dish spring and upper and lower clamping ring are deformed, when the instrument of treating hydraulic tool is shown to required pressure, stop pressurization; Lock the locking nut that stainless steel shaft puts with spanner; The slow pressure release of hydraulic tool, pressure release finish the back and remove frock from valve section right end plate, and the crimping of valve section is installed and finished.
Thyristor valve section of the present invention since the water-filled radiator of valve group be directly installed on down on the clamping ring, the center that has guaranteed radiator on same straight line, thereby guaranteed the uniformity of thyristor crimp force; This valve section is stepped up ring up and down by dish spring jack unit, and valve section left and right sides end plate provides crimp force jointly, does not have bolt to participate in, and the reliability and stability of system's crimping greatly are provided; This valve section can solve the technical bottleneck that traditional thyristor valve section can't six inches thyristors of crimping; This valve section can be got ability resistance with the direct current grading resistor, and thyristor control unit all is installed on the radiator; Components and parts not only can cool off simultaneously; And wiring close together to each other, improved the electric property of components and parts, also make overall structure very compact simultaneously.
The mode that valve section of the present invention adopts dish spring and clamping ring to combine is carried out the crimping thyristor; Through the compression of dish spring and the stretching of clamping ring required thrust is provided; Effectively eliminate the internal stress that the conventional valve intersegmental part is rigidly connected and produces, improved the crimping stability of valve section; Valve section compression bonding method adopts an end to fix, and the mode that an end sways has been eliminated owing to the framework mismachining tolerance, and alignment error and random deformation have improved the stability of valve section greatly to the additional stress that the valve section produces.
Description of drawings
Fig. 1 is a thyristor valve section structure chart of the present invention;
Fig. 2 is a dish spring jack unit structure chart;
Fig. 3 is the left and right sides end plate installation diagram among the thyristor valve section compression bonding method embodiment of the present invention.
Embodiment
One, thyristor valve section
Thyristor valve section of the present invention is as shown in Figure 1; This valve section comprises the water-filled radiator 1 and thyristor 2 valve group of forming and the framework that the valve group is installed by alternate setting; Framework is to be made up of valve section first member plate 3, right end plate 4 and last clamping ring 5, following clamping ring 6; Said upward clamping ring 5, following clamping ring 6 are Long Circle; The top and bottom of said valve section first member plate 3, right end plate 4 are respectively equipped with limited bolt 7, and the two ends of last clamping ring 5 are installed in the upper limit bolt of the left and right end plate of valve section, and the two ends of following clamping ring 6 are installed in the lower limit bolt of the left and right end plate of valve section; 4 are provided with dish spring jack unit 8 on the said valve section right end plate; As shown in Figure 2, this dish spring jack unit 8 is made up of stainless steel axle sleeve 81, locking nut 82, dish spring 83, stainless steel back-up ring 84 and stainless steel baffle plate 85, and locking nut 82 spinnings are in an end of stainless steel axle sleeve 81; The other end of stainless steel axle sleeve 81 is four dish springs of suit 83 and stainless steel back-up ring 84 successively, and stainless steel baffle plate 85 usefulness screws are fixed on and are used to prevent that dish spring 83 from skidding off stainless steel axle sleeve 81 on the stainless steel axle sleeve 81.Valve group right ends also is respectively equipped with left water conservancy diversion copper bar 9, right water conservancy diversion copper bar 10 with valve section first member plate 3 and dish spring jack unit 8 contact portions respectively.
Two, thyristor valve section compression bonding method
Thyristor valve section compression bonding method step of the present invention is following:
(1) dish spring jack unit assembling
The end of copper locking nut 82 from stainless steel axle sleeve 81 screwed in; From the other end of stainless steel axle sleeve 81 by the four dish springs 83 of packing into successively shown in Figure 2; Note the installation direction of dish spring; Load onto stainless steel back-up ring 84 then, be fixed on stainless steel baffle plate 85 usefulness screws on the stainless steel axle sleeve 81 at last, dish spring 83 can not skid off from the stainless steel axle sleeve.
(2) valve section left and right sides end plate assembling
As shown in Figure 3, valve section right end plate 4 is fixed on the correct frame 15 through a contiguous block 14, be fastened in dish spring jack unit 8 on the valve section right end plate 4.A central shaft 11 and following clamping ring 6 are installed on valve section first member plate 3, on left frame 12, are installed connecting plate 13, the central shaft 11 of valve section first member plate 3 is inserted in the hole of connecting plates 13, and clamping ring 6 and valve section right end plate 4 are fixed together down.
(3) thyristor and water-filled radiator assembling
On already installed clamping ring 6 down, put water-filled radiator 1 and thyristor 2 from left to right successively; The boss inlay card of the bottom of water-filled radiator 1 is in following clamping ring 6; Install clamping ring 5 at last; And be fixed on the end plate of the left and right sides with catch, the boss inlay card on water-filled radiator 1 top is in last clamping ring 5.
(4) valve section pressurization
The pressurization termination of hydraulic tool is fastened on the valve section right end plate 4, gives the pressurization of valve section, the central shaft roof pressure stainless steel axle sleeve 81 of hydraulic tool with the hand-hydraulic instrument; Dish spring 83 and clamping ring are deformed, when the instrument of treating hydraulic tool is shown to required pressure, stop pressurization; With the copper nut on the special spanner locking stainless steel axle sleeve 81; The slow pressure release of hydraulic tool, pressure release finish the back and remove frock from valve section right end plate 4, and the valve section is installed and finished.
Claims (5)
1. thyristor valve section; Comprise valve group of forming by the water-filled radiator and the thyristor of alternate setting and the framework that the valve group is installed; It is characterized in that: said framework is to be made up of left and right end plate of valve section and upper and lower clamping ring; Said upper and lower clamping ring is a Long Circle, and the top and bottom of the left and right end plate of said valve section are respectively equipped with limited bolt, and the two ends of last clamping ring are installed in the upper limit bolt of the left and right end plate of valve section; The two ends of following clamping ring are installed in the lower limit bolt of the left and right end plate of valve section, and said valve section right end plate is provided with dish spring jack unit; The top and bottom of each water-filled radiator of said valve group are plugged in respectively in the upper and lower clamping ring gap.
2. thyristor valve section according to claim 1; It is characterized in that: said dish spring jack unit is made up of stainless steel axle sleeve, locking nut, dish spring, stainless steel back-up ring and stainless steel baffle plate; Said locking nut spinning is in an end of stainless steel axle sleeve; The other end of stainless steel axle sleeve is at least two dish springs of suit and stainless steel back-up ring successively, and said stainless steel baffle plate is fixed on stainless steel shaft with screw and puts and be used to prevent that the dish spring from skidding off the stainless steel axle sleeve.
3. a thyristor valve section compression bonding method is characterized in that, the step of this compression bonding method is following:
(1) assembling is formed dish spring jack unit by stainless steel axle sleeve, locking nut, dish spring, stainless steel back-up ring and stainless steel baffle plate;
(2) the left and right end plate assembling of valve section: valve section right end plate is fixed on the correct frame through a contiguous block, is fastened in dish spring jack unit on the valve section right end plate; A central shaft and following clamping ring are installed on valve section first member plate, connecting plate are installed on left frame, the central shaft of valve section first member plate is inserted in the hole of connecting plate, and under clamping ring and valve section right end plate be fixed together;
(3) thyristor and water-filled radiator assembling: alternate successively from left to right water-filled radiator and the thyristor put on the clamping ring of mounted lower end; The boss inlay card of water-filled radiator lower end is in following clamping ring; Install clamping ring at last; And be fixed on the left and right end plate of valve section with catch, the boss inlay card on water-filled radiator top is in the clamping ring of upper end;
(4) pressurize to the valve section through dish spring jack unit.
4. thyristor valve section compression bonding method according to claim 3; It is characterized in that: said step (1) is that the end of locking nut from the stainless steel axle sleeve screwed in; At the other end of the stainless steel axle sleeve at least two dish springs of packing into successively; Load onto the stainless steel back-up ring then, be fixed on stainless steel shaft to the stainless steel baffle plate with screw at last and put, prevent that the dish spring from skidding off from the stainless steel axle sleeve.
5. according to claim 3 or 4 described thyristor valve section compression bonding methods, it is characterized in that: be that pressurization termination with hydraulic tool is fastened on the valve section right end plate in the said step (4), give the pressurization of valve section with hydraulic tool; The stainless steel axle sleeve of the central shaft roof pressure dish spring jack unit of hydraulic tool; Dish spring and upper and lower clamping ring are deformed, when the instrument of treating hydraulic tool is shown to required pressure, stop pressurization; Lock the locking nut that stainless steel shaft puts with spanner; The slow pressure release of hydraulic tool, pressure release finish the back and remove frock from valve section right end plate, and the crimping of valve section is installed and finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105918473A CN102136468B (en) | 2010-12-16 | 2010-12-16 | Thyristor valve section and crimping method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105918473A CN102136468B (en) | 2010-12-16 | 2010-12-16 | Thyristor valve section and crimping method thereof |
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| CN102136468A CN102136468A (en) | 2011-07-27 |
| CN102136468B true CN102136468B (en) | 2012-07-11 |
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| CN2010105918473A Active CN102136468B (en) | 2010-12-16 | 2010-12-16 | Thyristor valve section and crimping method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014173255A1 (en) * | 2013-04-22 | 2014-10-30 | 五力机电科技（昆山）有限公司 | Quick-change cooling and fixing device for thyristor |
| CN112635413A (en) * | 2020-12-03 | 2021-04-09 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Flat-plate IGBT power module press-fitting device and press-fitting method |
| CN113782521B (en) * | 2021-08-24 | 2023-08-15 | 许继集团有限公司 | Crimping IGBT full-bridge circuit valve section |
| CN116995043B (en) * | 2023-08-16 | 2024-05-07 | 国网安徽省电力有限公司宁国市供电公司 | Thyristor valve section jacking device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1688086A (en) * | 2005-04-29 | 2005-10-26 | 中国电力科学研究院 | Mechanical mounting structure for controllable series compensation thyristor valve |
| CN101593748A (en) * | 2009-06-30 | 2009-12-02 | 许继集团有限公司 | The series thyristor valve section that roof pressure connects |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0787742A (en) * | 1993-09-16 | 1995-03-31 | Mitsubishi Electric Corp | Water-cooled thyristor valve and manifold |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1688086A (en) * | 2005-04-29 | 2005-10-26 | 中国电力科学研究院 | Mechanical mounting structure for controllable series compensation thyristor valve |
| CN101593748A (en) * | 2009-06-30 | 2009-12-02 | 许继集团有限公司 | The series thyristor valve section that roof pressure connects |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-87742A 1995.03.31 |
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| CN102136468A (en) | 2011-07-27 |
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