CN201549502U - Thyristor valve body suitable for high-pressure solid-state composite switch devices - Google Patents

Thyristor valve body suitable for high-pressure solid-state composite switch devices Download PDF

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Publication number
CN201549502U
CN201549502U CN 200920292567 CN200920292567U CN201549502U CN 201549502 U CN201549502 U CN 201549502U CN 200920292567 CN200920292567 CN 200920292567 CN 200920292567 U CN200920292567 U CN 200920292567U CN 201549502 U CN201549502 U CN 201549502U
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CN
China
Prior art keywords
thyristor
valve body
thyristor valve
assembly
valve
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN 200920292567
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Chinese (zh)
Inventor
李鹏
李卫国
马海超
刘宏
李志友
赵刚
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China Electric Power Research Institute Co Ltd CEPRI
China EPRI Science and Technology Co Ltd
Original Assignee
China Electric Power Research Institute Co Ltd CEPRI
China EPRI Science and Technology Co Ltd
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Application filed by China Electric Power Research Institute Co Ltd CEPRI, China EPRI Science and Technology Co Ltd filed Critical China Electric Power Research Institute Co Ltd CEPRI
Priority to CN 200920292567 priority Critical patent/CN201549502U/en
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Publication of CN201549502U publication Critical patent/CN201549502U/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Abstract

The utility model provides a thyristor valve body suitable for high-pressure solid-state composite switch devices. The thyristor valve body adopts a vertical structure, and consists of a left phase valve body and a right phase valve body, wherein upper ends of two phase valve bodies are connected by an ultra-thick epoxy resin plate, the lower ends are fixed on a channel steel bracket, each phase valve body is composed of a valve assembly, a dynamic voltage-equalizing resistance-capacitance assembly, a static voltage-equalizing resistance assembly, a high-frequency energy conveying CT assembly, a thyristor valve electronic plate assembly and a composite post insulator, and all assemblies are connected through wires. The thyristor valve body is changed into the vertical structure from the horizontal structure, eliminates unfavorable affects of the sole weight of a thyristor to the crimp connection of valve strings, and improves the reliability of the valve structure, a section-bar radiator is utilized to replace an original heat-pipe or water-cooling radiator, is small in volume, is low in cost, and enables the structure of the thyristor valve body to be compact in structure and lower in cost, the high-frequency energy conveying CT assembly is further installed, the energy storage mode of the thyristor valve electronic plate is changed into the high-frequency energy conveying mode, and the energy storage of the electronic plate does not depend on the state of the valve body, which increases the reliability of the energy storage of the electronic plate.

Description

A kind of thyristor valve body that is applicable to the high-voltage solid-state combination switch device
Technical field
The utility model belongs to power electronic equipment valve body design field, is specifically related to a kind of thyristor valve body that is applicable to the high-voltage solid-state combination switch device, for the core part of high-voltage solid-state combination switch device, can realize the no-voltage input, and zero current withdraws from.
Background technology
The present horizontal thyristor valve body mechanical structure of power electronic equipment widespread usage, radiating mode is heat pipe heat radiation or water-cooling, for example Chinese patent application 20052011875 discloses a kind of thyristor valve body mechanical structure, this type of thyristor valve body structure has three defectives if be applied to the high-voltage solid-state combination switch device: 1. former thyristor valve body adopts horizontal type structure, the thyristor string is subjected to the influence of self gravitation for a long time, is unfavorable for the reliable crimping of thyristor string; 2. former thyristor valve body is because valve body is wanted long charged operation, thereby powerful water-cooled or heat-pipe radiator have been installed, and causes the valve body cost to rise, and volume increases; 3. former thyristor valve body adopts voltage to get can mode be the power supply of thyristor valve electron plate, because this getting can mode not be suitable for the high-voltage solid-state combination switch device, thereby need increase the high frequency energy supplying system in thyristor valve body.The related thyristor valve body mechanical structure of the utility model has been carried out the innovation upgrading at above three defectives.Thyristor valve body is changed into vertical structure by horizontal type structure, has got rid of the adverse effect of thyristor deadweight to the crimping of valve string, has improved the reliability of valve body structure; Use Section Bar Heat Sinks and replace former heat pipe or water-filled radiator, the Section Bar Heat Sinks volume is little, price is low, makes the thyristor valve body structure become compact, the cost step-down; Installed high frequency additional and sent energy CT assembly, the energy mode of getting of thyristor valve electron plate changes high frequency into and send the energy mode, and electron plate is got and can no longer be relied on the valve body state, has increased the reliability that electron plate is got energy.
The utility model content
The purpose of this utility model is to overcome the thyristor valve body structure of prior art if be applied to the defective that the high-voltage solid-state combination switch device is had, the thyristor valve body that is applicable to the high-voltage solid-state combination switch device that provide a kind of and adopt vertical structure, can improve the valve body reliability, cost is low.
For this reason, the utility model proposes a kind of thyristor valve body structure that is applicable to the high-voltage solid-state combination switch device, whole device adopts vertical structure, by about two single-phase thyristor valve bodies form, the upper end of described two single-phase thyristor valve bodies is linked to each other by epoxy resin board, and the lower end is installed on fixedly on the channel-section steel by composite post insulator respectively.
Wherein, described each single-phase thyristor valve body comprises that valve module, dynamic voltage balancing rescap, static voltage sharing assembly, high frequency send energy CT assembly, thyristor valve electron plate assembly and composite post insulator, and described dynamic voltage balancing capacitance-resistance, static voltage sharing, high frequency send energy CT assembly, thyristor valve electron plate and composite post insulator all to be connected with valve module.
Wherein, described valve module comprises positive and negative two shish-kebab gate tube valve strings, hold-down mechanism, insulated tension pole and epoxy resin fixed angle plate, crimping is carried out by hold-down mechanism in the two ends of described thyristor valve string, the common outside framework that constitutes positive and negative two shish-kebab gate tube valve strings of the last lower flange of described insulated tension pole assembly, epoxy resin fixed angle plate and hold-down mechanism.
Wherein, described every shish-kebab gate tube valve string props up thyristor pair by n and props up radiator with n+1 and be in series at interval, and n is a natural number, and described every thyristor is to being made up of just antiparallel two thyristors.
Wherein, described dynamic voltage balancing rescap comprises the dynamic electric resistor and the dynamic capacity of mutual series connection, and each thyristor is pair in parallel with one road dynamic voltage balancing capacitance-resistance, and described dynamic voltage balancing capacitance-resistance is connected on the radiator of thyristor to both sides.
Wherein, described static voltage sharing assembly comprises static voltage sharing and insulation column, one end of described each static voltage sharing all connects a radiator, its other end and is fixed on another adjacent radiator and with the thyristor valve electron plate by insulation column and links to each other, and is connected on the radiator of being fixed by the threshold voltage testing circuit on the thyristor valve electron plate.
Wherein, described high frequency send and can comprise that magnet ring pallet and the high frequency that is embedded in the magnet ring pallet send energy CT by the CT assembly, and described disk pallet is installed on the epoxy resin fixed angle plate.
Wherein, described thyristor valve electron plate assembly comprises thyristor valve electron plate, electron plate framework and binding post, described electron plate framework is installed on the epoxy resin fixed angle plate, interpolation thyristor valve electron plate, binding post is installed on the electron plate framework, connects the lead between thyristor electronic board and other assemblies reliably.
The beneficial effects of the utility model are: thyristor valve body is changed into vertical structure by horizontal type structure, has got rid of the adverse effect of thyristor deadweight to the crimping of valve string, has improved the reliability of valve body structure; Use Section Bar Heat Sinks and replace former heat pipe or water-filled radiator, the Section Bar Heat Sinks volume is little, price is low, makes the thyristor valve body structure become compact, the cost step-down; Installed high frequency additional and sent energy CT assembly, the energy mode of getting of thyristor valve electron plate changes high frequency into and send the energy mode, and electron plate is got and can no longer be relied on the valve body state, has increased the reliability that electron plate is got energy.
Description of drawings
Fig. 1 is the electrical wiring schematic diagram of thyristor valve body of the present utility model;
Fig. 2 is the combination front view of thyristor valve body of the present utility model;
Fig. 3 is the combination rearview of thyristor valve body of the present utility model;
Fig. 4 is the combination vertical view of thyristor valve body of the present utility model;
Fig. 5 is the front view of thyristor valve body of the present utility model;
Fig. 6 is the rearview of thyristor valve body of the present utility model;
Fig. 7 is the single-phase valve body left view of thyristor valve body of the present utility model;
Fig. 8 is the single-phase valve body right view of thyristor valve body of the present utility model;
Fig. 9 is the single-phase valve body vertical view of thyristor valve body of the present utility model;
Figure 10 is the single-phase valve body of the thyristor valve body of the present utility model cutaway view of bowing;
Wherein, 1-epoxy resin board; The single-phase thyristor valve body of 2-; 3-is channel-section steel fixedly; The 4-valve module; 5-dynamic voltage balancing rescap; 6-static voltage sharing assembly; The 7-high frequency send energy CT assembly; 8-thyristor valve electron plate assembly; The 9-composite post insulator; 10-is flange assembly up and down; 11-insulated tension pole assembly; 12-butterfly spring pressing assembly; The 13-thyristor; The 14-radiator; 15-epoxy resin fixed angle plate; 16-magnet ring pallet.
Embodiment
Below in conjunction with accompanying drawing thyristor valve body structure of the present utility model is further described in detail:
A kind of compact vertical-type thyristor valve body mechanical structure that is applicable to the high-voltage solid-state combination switch device of the present utility model, by about two single-phase thyristor valve bodies 2 form, the upper end of described two single-phase thyristor valve bodies 2 by super thick epoxy resin board 1 link to each other, the lower end is installed on fixedly on the channel-section steel 3.Every phase valve body send energy CT (current transformer) assembly 7, thyristor valve electron plate assembly 8 and composite post insulator 9 to form by valve module 4, dynamic voltage balancing rescap 5, static voltage sharing assembly 6, high frequency.Described valve module 4 comprises positive and negative two shish-kebab gate tube valve strings, hold-down mechanism, insulated tension pole 11 and epoxy resin fixed angle plate 15, crimping is carried out by hold-down mechanism in the two ends of described thyristor valve string, the last lower flange 10 common outside frameworks that constitute positive and negative two shish-kebab gate tube valve strings of described insulated tension pole assembly, epoxy resin fixed angle plate and hold-down mechanism.Described hold-down mechanism comprises the last lower flange 10 that is arranged on the thyristor valve string two ends, the disc spring pressing assembly 12, hexagon socket head cap screw, stage clip guide rod, the water conservancy diversion copper bar that are arranged on the valve module upper end close water conservancy diversion copper bar and the transition adjustment circle aluminium that the transition adjustment is justified aluminium and is arranged on the valve module lower end, can by hold-down mechanism, guarantee the reliable crimping of thyristor, it is 200510102663.5 utility model patent that described hold-down mechanism also can adopt application number; Being equipped with on the described epoxy resin fixed angle plate 15 that dynamic voltage balancing rescap 5, static voltage sharing assembly 6, high frequency send can CT assembly 7 and thyristor valve electron plate assembly 8.
Fig. 1 is the thyristor valve body electric hookup, and as shown in the figure: the core texture of single-phase thyristor valve body is antiparallel two shish-kebab brake tube strings, and every thyristor all has a radiator up and down, and n props up thyristor and n+1 props up the alternate string of radiator together; The every pair of antiparallel thyristor between one group of dynamic voltage balancing rescap 5 in parallel; Static voltage sharing assembly 6 one termination fin, the A terminal of another termination thyristor valve electron plate is the threshold voltage testing circuit between the A terminal of electron plate and the K terminal, the K terminal connects another radiator; Two trigger terminal G1, G2 of every thyristor valve electron plate connect the gate leve of two thyristors of common cathode respectively; The ground terminal GND of electron plate connects the negative electrode of two thyristors of common cathode respectively; Two high frequencies of electron plate send energy terminal AC to connect the secondary coil output of high frequency magnet ring.
Fig. 2, Fig. 3, Fig. 4 are the different views of thyristor valve body combining structure, as shown in the figure: thyristor valve body by about two single-phase thyristor valve bodies 2 form, the upper end of two single-phase thyristor valve bodies 2 with super thick epoxy resin board 1 link to each other, the lower end is installed on fixedly on the channel-section steel 3 by composite insulator.
Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 are front, rear, left and right, the vertical view of single-phase valve body structure, Figure 10 is the cutaway view of bowing of single-phase valve body structure, and as shown in the figure: every phase valve body send energy CT assembly 7, thyristor valve electron plate assembly 8 and composite post insulator 9 to form by valve module 4, dynamic voltage balancing rescap 5, static voltage sharing assembly 6, high frequency.Dynamic voltage balancing rescap 5, static voltage sharing assembly 6 are installed on respectively on the epoxy resin fixed angle plate 15 of valve module 4 left and right sides, and high frequency send energy CT assembly 7, thyristor valve electron plate assembly 8 to be installed on respectively on the epoxy resin fixed angle plate 15 of valve module 4 front sides.Wherein valve module is single-phase valve core component, comprise positive and negative two shish-kebab gate tube valve strings, hold-down mechanism, insulated tension pole 11 and epoxy resin fixed angle plate 15, crimping is carried out by hold-down mechanism in the two ends of described thyristor valve string, the last lower flange 10 common outside frameworks that constitute positive and negative two shish-kebab gate tube valve strings of described insulated tension pole assembly, epoxy resin fixed angle plate and hold-down mechanism.Described every shish-kebab gate tube valve string props up thyristor by n and props up radiator 14 to 13 with n+1 and be in series at interval, and n is a natural number, and described every thyristor is to being made up of just antiparallel two thyristors; Be in conplane two radiators by the copper bar short circuit, hold-down mechanism is in order to guarantee thyristor 13 reliable crimping.Described dynamic voltage balancing rescap 5 is in series by a dynamic electric resistor and a dynamic capacity, and every thyristor pair is in parallel with one road dynamic voltage balancing rescap 5, and described dynamic voltage balancing rescap 5 is connected on the radiator of thyristor to both sides.Described static voltage sharing assembly 6 is formed by connecting by static voltage sharing and insulation column, one end of static voltage sharing assembly 6 connects fin, the other end is fixed on another radiator and with the A end of thyristor valve electron plate by insulation column and links to each other, be connected on the radiator of being fixed by the threshold voltage testing circuit on the electron plate, it is right to accompany a thyristor between two radiators.Described a plurality of high frequency send and can be connected side by side on the epoxy resin fixed angle plate 15 by CT assembly 7, each high frequency send can CT assembly 7 send and can form by CT by magnet ring pallet 16 and the high frequency that is embedded among the magnet ring pallet, described magnet ring pallet 16 is connected on the epoxy resin fixed angle plate 15, have fastening high frequency to send the effect of energy CT and high-low pressure insulation, each magnet ring pallet 16 is drawn two big cables can guarantee that it can the CT assembly be separately the valve module power supply that high frequency send.Described thyristor valve electron plate assembly 8 is made up of thyristor valve electron plate, electron plate framework, binding post and relevant workpiece, the electron plate framework is installed on the epoxy resin fixed angle plate 15, interpolation thyristor valve electron plate, binding post is installed on the electron plate framework, connects the lead between thyristor electronic board and other assemblies reliably.Composite post insulator 9 has the effect of fixed valve assembly and isolation valve group voltage fixedly between channel-section steel 3 and the valve module 4.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (8)

1. thyristor valve body that is applicable to the high-voltage solid-state combination switch device, it is characterized in that, whole device adopts vertical structure, by about two single-phase thyristor valve bodies (2) form, the upper end of described two single-phase thyristor valve bodies (2) is linked to each other by epoxy resin board (1), and the lower end is installed on fixedly on the channel-section steel (3) by composite post insulator (9) respectively.
2. thyristor valve body as claimed in claim 1, it is characterized in that: described each single-phase thyristor valve body (2) comprises that valve module (4), dynamic voltage balancing rescap (5), static voltage sharing assembly (6), high frequency send energy CT assembly (7), thyristor valve electron plate assembly (8) and composite post insulator (9), and described dynamic voltage balancing capacitance-resistance (5), static voltage sharing (6), high frequency send energy CT assembly (7), thyristor valve electron plate (8) and composite post insulator (9) all to be connected with valve module (4).
3. thyristor valve body as claimed in claim 2, it is characterized in that: described valve module (4) comprises positive and negative two shish-kebab gate tube valve strings, hold-down mechanism, insulated tension pole (11) and epoxy resin fixed angle plate (15), crimping is carried out by hold-down mechanism in the two ends of described thyristor valve string, and the last lower flange (10) of described insulated tension pole assembly, epoxy resin fixed angle plate and hold-down mechanism constitutes the outside framework of positive and negative two shish-kebab gate tube valve strings jointly.
4. thyristor valve body as claimed in claim 3, it is characterized in that: described every shish-kebab gate tube valve string props up thyristor by n and (13) and n+1 are propped up radiator (14) is in series at interval, n is a natural number, and described every thyristor is to being made up of just antiparallel two thyristors.
5. thyristor valve body as claimed in claim 4, it is characterized in that described dynamic voltage balancing rescap (5) comprises the dynamic electric resistor and the dynamic capacity of mutual series connection, each thyristor is pair in parallel with one road dynamic voltage balancing capacitance-resistance, and described dynamic voltage balancing capacitance-resistance is connected on the radiator of thyristor to both sides.
6. as the arbitrary described thyristor valve body of claim 1-4, it is characterized in that: described static voltage sharing assembly (6) comprises static voltage sharing and insulation column, one end of described each static voltage sharing all connects a radiator, its other end and is fixed on another adjacent radiator and with thyristor valve electron plate (8) by insulation column and links to each other, and is connected on the radiator of being fixed by the threshold voltage testing circuit on the thyristor valve electron plate.
7. as the arbitrary described thyristor valve body of claim 1-4, it is characterized in that: described high frequency send can the CT assembly (7) comprise magnet ring pallet (16) and the high frequency that is embedded in the magnet ring pallet send energy CT, described disk pallet (16) is installed on the epoxy resin fixed angle plate.
8. as the arbitrary described thyristor valve body of claim 1-4, it is characterized in that described thyristor valve electron plate assembly (8) comprises thyristor valve electron plate, electron plate framework and binding post, described electron plate framework is installed on the epoxy resin fixed angle plate, interpolation thyristor valve electron plate, binding post is installed on the electron plate framework, connects the lead between thyristor electronic board and other assemblies reliably.
CN 200920292567 2009-12-11 2009-12-11 Thyristor valve body suitable for high-pressure solid-state composite switch devices Expired - Fee Related CN201549502U (en)

Priority Applications (1)

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CN 200920292567 CN201549502U (en) 2009-12-11 2009-12-11 Thyristor valve body suitable for high-pressure solid-state composite switch devices

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CN 200920292567 CN201549502U (en) 2009-12-11 2009-12-11 Thyristor valve body suitable for high-pressure solid-state composite switch devices

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102760729A (en) * 2012-07-06 2012-10-31 株洲南车时代电气股份有限公司 Pulse power switch device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102760729A (en) * 2012-07-06 2012-10-31 株洲南车时代电气股份有限公司 Pulse power switch device
CN102760729B (en) * 2012-07-06 2014-11-12 株洲南车时代电气股份有限公司 Pulse power switch device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100811

Termination date: 20181211

CF01 Termination of patent right due to non-payment of annual fee