CN207408544U - High-power series thyristor on-line checking and protective device - Google Patents
High-power series thyristor on-line checking and protective device Download PDFInfo
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- CN207408544U CN207408544U CN201721514630.6U CN201721514630U CN207408544U CN 207408544 U CN207408544 U CN 207408544U CN 201721514630 U CN201721514630 U CN 201721514630U CN 207408544 U CN207408544 U CN 207408544U
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- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 47
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 claims description 5
- 101000668165 Homo sapiens RNA-binding motif, single-stranded-interacting protein 1 Proteins 0.000 claims description 5
- 102100039692 RNA-binding motif, single-stranded-interacting protein 1 Human genes 0.000 claims description 5
- 101150105073 SCR1 gene Proteins 0.000 claims description 5
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides high-power series thyristor on-line checking and protective device; it is related to Intelligent assembly technical field; including one or more main circuits; each described main circuit includes multiple thyristor SCRn being connected in series, multiple resistance capaciting absorpting circuit RYn being connected in series, multiple signal sampling plate XHn; resistance capaciting absorpting circuit RYn there are one being connected in parallel on each thyristor SCRn; a signal sampling plate XHn is respectively connected on each resistance capaciting absorpting circuit RYn, each signal sampling plate XHn is connected with master board ZK；The utility model provides high-power series thyristor on-line checking and protective device, has the following advantages that：The thyristor to break down can be found in time, to reduce power output, prevent failure propagation.
Description
Technical field
The utility model is related to Intelligent assembly technical fields, and in particular to high-power series thyristor on-line checking and protection
Device.
Background technology
Thyristor is a kind of powerful half control switching device, and the high-power industrial power especially formed is widely used in
All trades and professions, such as industrial sensing heating, are electroplated, electrolysis, Electric Traction, high voltage power transmission etc., it has also become the base of present industrial development
Plinth also promotes the extensively and profoundly development of power electronics.
In order to improve the resistance to pressure of device, multiple Thyristors in series together often, as a high voltage bearing derailing switch
Part uses, and is difficult to find under normal circumstances so if one or more of multiple thyristors of series connection damage,
Entire series component or even whole equipment can be burnt out when serious.
Utility model content
In view of the deficiencies of the prior art, the utility model provides high-power series thyristor on-line checking and is filled with protection
It puts, can find the thyristor of damage in time, avoid failure propagation.
In order to achieve the above object, the utility model is achieved by the following technical programs：High-power series thyristor exists
Line detects and protective device, and including one or more main circuits, each described main circuit includes multiple crystalline substances being connected in series
Brake tube SCRn, multiple resistance capaciting absorpting circuit RYn being connected in series, multiple signal sampling plate XHn, each thyristor SCRn
On be connected in parallel that there are one be respectively connected with a letter on resistance capaciting absorpting circuit RYn, each resistance capaciting absorpting circuit RYn
Number sampling plate XHn, each signal sampling plate XHn are connected with master board ZK.
Preferably, fault-signal indicator light is both provided on each described described signal sampling plate XHn, in corresponding institute
When stating thyristor SCRn failures, fault-signal indicator light is bright.
Preferably, the resistance capaciting absorpting circuit RYn includes being sequentially connected the resistance R connect, capacitance C and current transformer L,
The current transformer L is used to be connected with corresponding signal sampling plate XHn.
Preferably, the number of the thyristor SCRn and the number phase one of resistance capaciting absorpting circuit RYn, signal sampling plate XHn
It causes.
Preferably, the thyristor SCRn includes thyristor SCR1, thyristor SCR2... thyristors SCRn；The capacitance-resistance
Absorbing circuit RYn includes resistance capaciting absorpting circuit RY1, resistance capaciting absorpting circuit RY2... resistance capaciting absorpting circuits RYn；The signal sampling
Plate XHn includes signal sampling plate XH1, signal sampling plate XH2... signal sampling plates XHn.
The utility model provides high-power series thyristor on-line checking and protective device, has the following advantages that：It can
The thyristor to break down is found in time, to reduce power output, prevents failure propagation.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
In the description of the utility model, it is necessary to explanation, the side of the instructions such as term " vertical ", " on ", " under ", " level "
Either position relationship is based on orientation shown in the drawings or position relationship for position, is for only for ease of this practicality of description and simplification is retouched
State rather than indicate either to imply that signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that limitation to the utility model.In addition, " first ", " second ", " the 3rd ", " the 4th " are only used for
Purpose is described, and it is not intended that instruction or hint relative importance.
In the description of the utility model, it is also necessary to which explanation " is set unless otherwise specific regulation and limitation, term
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or be integrally connected, it can be mechanical connection or electrical connection, can be directly connected to or by intermediate matchmaker
It is situated between and is connected, can is the connection inside two elements.It for the ordinary skill in the art, can be as the case may be
Understand concrete meaning of the above-mentioned term in the utility model.
Embodiment 1：
As shown in Figure 1, high-power series thyristor on-line checking and protective device, including one or more main circuits, often
One main circuit includes multiple thyristor SCRn being connected in series, multiple resistance capaciting absorpting circuit RYn being connected in series, more
It is connected in parallel on a signal sampling plate XHn, each thyristor SCRn there are one resistance capaciting absorpting circuit RYn, it is described every
Respectively be connected on one resistance capaciting absorpting circuit RYn signal sampling plate an XHn, each signal sampling plate XHn with master
Control panel ZK is connected.
Preferably, the resistance capaciting absorpting circuit RYn includes being sequentially connected the resistance R connect, capacitance C and current transformer L,
The current transformer L is used to be connected with corresponding signal sampling plate XHn.
Preferably, the number of the thyristor SCRn and the number phase one of resistance capaciting absorpting circuit RYn, signal sampling plate XHn
It causes.
Preferably, the thyristor SCRn includes thyristor SCR1, thyristor SCR2... thyristors SCRn；The capacitance-resistance
Absorbing circuit RYn includes resistance capaciting absorpting circuit RY1, resistance capaciting absorpting circuit RY2... resistance capaciting absorpting circuits RYn；The signal sampling
Plate XHn includes signal sampling plate XH1, signal sampling plate XH2... signal sampling plates XHn.
Embodiment 2：
High-power series thyristor on-line checking and protective device, including one or more main circuits, each described master
Circuit includes multiple thyristor SCRn being connected in series, multiple resistance capaciting absorpting circuit RYn being connected in series, multiple signal samplings
It is connected in parallel on plate XHn, each thyristor SCRn there are one resistance capaciting absorpting circuit RYn, each described capacitance-resistance is inhaled
Receive respectively be connected on circuit RYn signal sampling plate an XHn, each signal sampling plate XHn with master board ZK phases
Connection.
Preferably, fault-signal indicator light is both provided on each described described signal sampling plate XHn, in corresponding institute
When stating thyristor SCRn failures, fault-signal indicator light is bright.
Preferably, the resistance capaciting absorpting circuit RYn includes being sequentially connected the resistance R connect, capacitance C and current transformer L,
The current transformer L is used to be connected with corresponding signal sampling plate XHn.
Preferably, the number of the thyristor SCRn and the number phase one of resistance capaciting absorpting circuit RYn, signal sampling plate XHn
It causes.
Preferably, the thyristor SCRn includes thyristor SCR1, thyristor SCR2... thyristors SCRn；The capacitance-resistance
Absorbing circuit RYn includes resistance capaciting absorpting circuit RY1, resistance capaciting absorpting circuit RY2... resistance capaciting absorpting circuits RYn；The signal sampling
Plate XHn includes signal sampling plate XH1, signal sampling plate XH2... signal sampling plates XHn.
Protected series thyristor is SCR1, SCR2 ... SCRn etc. in main circuit, and resistance capaciting absorpting circuit is RY1, RY2 ...
RYn etc., XH1 ... XHn are the signal sampling plates of every branch, each signal sampling plate XHn and master board ZK are by 3 signal lines
It is connected, wherein two-way is signal wire, is all the way reseting signal line.The similar module electricity in four tunnels can be connected on master board ZK
The connection method of A.B.C.D is seen on road.
During normal work, thyristor SCRn is often switched once, on resistance capaciting absorpting circuit RYn charge and discharge once, Current Mutual Inductance
Device L obtains the electric current of an exponential relationship, by signal sampling plate XHn normal signal is made to be arrived by A.B.C.D oral instructions
Master board ZK judges whether thyristor work is normal by master board ZK.
When wherein certain one or more thyristor SCRn breaks down (such as puncture short), capacitance-resistance that current transformer L is surveyed
Curent change is abnormal on absorbing circuit RYn, and fault-signal indicator light is bright on signal sampling plate XHn and keeps (during normal work not
It is bright), after master board ZK has found, to prevent from malfunctioning, the signal lamp first resetted on 1 signal sampling plate is bright, such as signal
Indicator light goes out no longer bright, it is possible to determine that is one-time detection maloperation；It is also to continue with lighting as signal lamp is bright, at this moment can recognize
Surely be this corresponding thyristor SCRn breaks down all the way, master board ZK sends protection signal, quick to reduce power load simultaneously
Final plant closure switch tube working status, prevents failure propagation.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or carry out equivalent substitution to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is not made to depart from the spirit and model of various embodiments of the utility model technical solution
It encloses.
Claims (5)
1. high-power series thyristor on-line checking and protective device, which is characterized in that each including one or more main circuits
A main circuit includes multiple thyristor SCRn being connected in series, multiple resistance capaciting absorpting circuit RYn being connected in series, multiple
It is connected in parallel on signal sampling plate XHn, each thyristor SCRn there are one resistance capaciting absorpting circuit RYn, it is described each
Signal sampling plate an XHn, each signal sampling plate XHn is respectively connected on a resistance capaciting absorpting circuit RYn and master control
Making sheet ZK is connected.
2. high-power series thyristor on-line checking as described in claim 1 and protective device, which is characterized in that described each
Fault-signal indicator light is both provided on a signal sampling plate XHn, when the corresponding thyristor SCRn breaks down,
Fault-signal indicator light is bright.
3. high-power series thyristor on-line checking as described in claim 1 and protective device, which is characterized in that the capacitance-resistance
Absorbing circuit RYn includes being sequentially connected the resistance R connect, capacitance C and current transformer L, the current transformer L be used for it is right
The signal sampling plate XHn answered is connected.
4. high-power series thyristor on-line checking as described in claim 1 and protective device, which is characterized in that the crystalline substance lock
The number of pipe SCRn is consistent with the number of resistance capaciting absorpting circuit RYn, signal sampling plate XHn.
5. high-power series thyristor on-line checking as described in claim 1 and protective device, which is characterized in that the crystalline substance lock
Pipe SCRn includes thyristor SCR1, thyristor SCR2... thyristors SCRn；The resistance capaciting absorpting circuit RYn includes resistance-capacitance absorption
Circuit RY1, resistance capaciting absorpting circuit RY2... resistance capaciting absorpting circuits RYn；The signal sampling plate XHn include signal sampling plate XH1,
Signal sampling plate XH2... signal sampling plates XHn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721514630.6U CN207408544U (en) | 2017-11-14 | 2017-11-14 | High-power series thyristor on-line checking and protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721514630.6U CN207408544U (en) | 2017-11-14 | 2017-11-14 | High-power series thyristor on-line checking and protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207408544U true CN207408544U (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721514630.6U Expired - Fee Related CN207408544U (en) | 2017-11-14 | 2017-11-14 | High-power series thyristor on-line checking and protective device |
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| CN (1) | CN207408544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845238A (en) * | 2018-07-26 | 2018-11-20 | 大力电工襄阳股份有限公司 | High-pressure thyristor on-Line Monitor Device and multiple groups high-pressure thyristor monitoring device |
| CN109581176A (en) * | 2018-12-06 | 2019-04-05 | 国电南瑞科技股份有限公司 | A kind of thyristor and its pulse-triggered circuit low current test method |
-
2017
- 2017-11-14 CN CN201721514630.6U patent/CN207408544U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845238A (en) * | 2018-07-26 | 2018-11-20 | 大力电工襄阳股份有限公司 | High-pressure thyristor on-Line Monitor Device and multiple groups high-pressure thyristor monitoring device |
| CN109581176A (en) * | 2018-12-06 | 2019-04-05 | 国电南瑞科技股份有限公司 | A kind of thyristor and its pulse-triggered circuit low current test method |
| CN109581176B (en) * | 2018-12-06 | 2020-10-30 | 国电南瑞科技股份有限公司 | Thyristor and pulse trigger loop low current test method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 |