CN213116537U - Novel shutdown interlocking control device for speed regulator of water turbine - Google Patents
Novel shutdown interlocking control device for speed regulator of water turbine Download PDFInfo
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- CN213116537U CN213116537U CN202021535953.5U CN202021535953U CN213116537U CN 213116537 U CN213116537 U CN 213116537U CN 202021535953 U CN202021535953 U CN 202021535953U CN 213116537 U CN213116537 U CN 213116537U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a novel shut down interlock control device of hydraulic turbine speed regulator, DC220V power is connected with the positive signal terminal of the A coil and the positive signal terminal of B coil of shutting down interlocking solenoid valve 111EV respectively through first circuit and second circuit, DC0V power is connected with A coil negative signal terminal and B coil negative signal terminal respectively through third circuit and fourth circuit, DC24V power is connected with system processor UDN through fifth circuit, be equipped with on the first circuit and shut down interlock manual button SB1, stand-by state relay opens out behind signal point KR623 and the series connection of master control switch ZL1 and is parallelly connected with shut down interlock manual button SB1, be equipped with shut down interlock feedback contact SQ451 on the fifth circuit, the master coil one end of shut down interlock relay KR451 is connected with system processor UDN, the other end is connected with DC0V power. The utility model provides high hydraulic turbine unit's operating efficiency.
Description
Technical Field
The utility model relates to a hydraulic turbine technical field, more specifically the theory that says so relates to a novel shut down interlock control of hydraulic turbine speed regulator.
Background
At present, a power plant adopts a proportional valve signal and an emergency stop signal to interlock a unit speed regulator for long-term control when the unit speed regulator is stopped for standby, the reliability and the practicability of the unit speed regulator cannot meet the technical requirements of most hydraulic power plants, and the safety and the practicability of the unit speed regulator are very important in a speed regulator system.
The traditional unit speed regulator shutdown interlocking device is used for directly throwing a proportional valve closing signal or throwing a close shutdown valve after a unit is shut down, and has the following defects: the adoption of the proportional valve interlocking function can accelerate the service life of the proportional valve and reduce the operating efficiency of the system; by adopting the interlocking function of the emergency stop valve, the sealing damage of the tensioner and the shortening of the service life of the main assembly are immeasurable.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem who exists among the prior art to a novel shut down interlock control device of hydraulic turbine speed regulator is provided.
The above technical problem of the present invention can be solved by the following technical solutions:
a novel shutdown interlocking control device of a hydraulic turbine governor comprises a main command switch contact ZL1, a standby state relay opening signal point KR623, a shutdown interlocking feedback contact SQ451, a shutdown interlocking relay KR451 and a shutdown interlocking manual button SB1, wherein a DC220V power supply is respectively connected with a positive signal terminal of an A coil and a positive signal terminal of a B coil of a shutdown interlocking solenoid valve 111EV through a first line and a second line, a DC0V power supply is respectively connected with a negative signal terminal of the A coil and a negative signal terminal of the B coil through a third line and a fourth line, a DC24V power supply is connected with a system processor UDN through a fifth line, a shutdown interlocking manual button SB1 is arranged on the first line, the standby state relay opening signal point KR623 and a main command switch contact ZL1 are connected in series and then connected with the shutdown interlocking manual button SB1 in parallel, the fifth line is provided with the shutdown interlocking feedback contact SQ451, one end of the shutdown interlocking relay KR451 is connected with the main coil of the system processor UDN, the other end of the primary winding of the shutdown interlock relay KR451 is connected to the DC0V power supply.
Further, the system processor UDN comprises a first system processor module UDN141 and a second system processor module UDN1241 and a third system processor module UDN 341.
Further, the indicator light of the shutdown interlock manual button SB1 is connected to the upper computer LCU.
Compared with the prior art, the utility model has the advantages of: the utility model discloses can realize guaranteeing under unit safety prerequisite, improve validity and practicality when the speed regulator is stopped to reserve doubly, improve hydraulic turbine unit entire system's operating efficiency.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a novel shutdown interlocking control device of a reclaimed water turbine speed regulator.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making the scope of the present invention more clearly defined.
Referring to fig. 1, the utility model discloses a novel shutdown interlocking control device of a hydro governor, which comprises a main switch contact ZL1, a standby state relay open signal contact KR623, a shutdown interlocking feedback contact SQ451, a shutdown interlocking relay KR451, and a shutdown interlocking manual button SB1 (with a lamp button, with a shutdown interlocking input indicator lamp), wherein a DC220 power supply is respectively connected with an a coil positive signal terminal (X1:1 end) and a B coil positive signal terminal (X2:1 end) of a shutdown interlocking solenoid valve 111EV through a first line and a second line, a DC0V power supply is respectively connected with an a coil negative signal terminal (X1:2 end) and a B coil negative signal terminal (X2:2 end) through a third line and a fourth line, a DC24 power supply is connected with a system processor UDN through a fifth line, an interlocking shutdown manual button SB1 is arranged on the first line, a standby state relay open signal contact KR and a main switch contact 623 are connected with a shutdown interlocking manual button 48325 in series, a shutdown interlocking feedback contact SQ451 is arranged on the fifth line, one end of a main coil of the shutdown interlocking relay KR451 is connected with a system processor UDN, and the other end of the main coil of the shutdown interlocking relay KR451 is connected with a DC0V power supply.
In the embodiment of the present application, the system processor UDN includes a first system processor module UDN141, a second system processor module UDN1241 and a third system processor module UDN 341.
In the embodiment of the application, the indicator light of the shutdown interlocking manual button SB1 is connected with the upper computer LCU.
The utility model discloses a theory of operation does: the relay switch contact ZL1 is a relay switch feedback signal, more than 5% of the travel action of the unit relay, the standby state relay opening signal point KR623 acts when the unit stops for standby, and as the master switch contact ZL1 is connected with the unit speed regulator stop standby state relay opening signal point KR623 in series, when the two conditions are met, the stop interlocking electromagnetic valve 111EV acts, the stop interlocking electromagnetic valve 111EV can rapidly and forcibly close guide vanes to protect the unit safety, signals are sent into a system processor UDN and an intermediate relay KR452 through the stop interlocking feedback contact SQ451 after the stop interlocking electromagnetic valve 111EV acts, and the stop interlocking device action signals are sent to an upper computer LCU and a lighting panel indicator lamp through the intermediate relay KR 452. The utility model discloses when not disturbing other equipment, also ensured the practicality and the fail safe nature of speed regulator system.
The above description is only the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (3)
1. A novel shutdown interlocking control device of a hydro governor is characterized by comprising a main control switch contact ZL1, a standby state relay open signal point KR623, a shutdown interlocking feedback contact SQ451, a shutdown interlocking relay KR451 and a shutdown interlocking manual button SB1, wherein a DC220V power supply is respectively connected with a coil A positive signal terminal and a coil B positive signal terminal of a shutdown interlocking solenoid valve 111EV through a first line and a second line, a DC0V power supply is respectively connected with a coil A negative signal terminal and a coil B negative signal terminal through a third line and a fourth line, a DC24V power supply is connected with a system processor UDN through a fifth line, a shutdown interlocking manual button SB1 is arranged on the first line, the standby state relay open signal point KR623 and a main control switch contact ZL1 are connected in series and then connected with the shutdown interlocking manual button SB1 in parallel, the shutdown interlocking feedback contact SQ451 is arranged on the fifth line, one end of a main coil of the shutdown interlocking relay KR451 is connected with a system processor UDN, and the other end of the main coil of the shutdown interlocking relay KR451 is connected with a DC0V power supply.
2. The hydro governor novel shutdown interlock control device of claim 1, wherein the system processor UDN comprises a first system processor module UDN141 and a second system processor module UDN1241 and a third system processor module UDN 341.
3. The novel shutdown interlocking control device of the hydro governor according to claim 1, characterized in that the indicator light of the shutdown interlocking manual button SB1 is connected with the upper computer LCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021535953.5U CN213116537U (en) | 2020-07-30 | 2020-07-30 | Novel shutdown interlocking control device for speed regulator of water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021535953.5U CN213116537U (en) | 2020-07-30 | 2020-07-30 | Novel shutdown interlocking control device for speed regulator of water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213116537U true CN213116537U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021535953.5U Active CN213116537U (en) | 2020-07-30 | 2020-07-30 | Novel shutdown interlocking control device for speed regulator of water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213116537U (en) |
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2020
- 2020-07-30 CN CN202021535953.5U patent/CN213116537U/en active Active
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