CN103807157A - Circuit structure of water pump control system - Google Patents
Circuit structure of water pump control system Download PDFInfo
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- CN103807157A CN103807157A CN201310743614.4A CN201310743614A CN103807157A CN 103807157 A CN103807157 A CN 103807157A CN 201310743614 A CN201310743614 A CN 201310743614A CN 103807157 A CN103807157 A CN 103807157A
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- water pump
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- inverter
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Abstract
The invention discloses a circuit structure of a water pump control system. The circuit structure comprises a power distribution unit, an LED display unit, a reset unit, a halt control unit, a system protecting unit, an inverter, an alarm unit, a governor control unit, a humidity controller and a temperature controller; the power distribution unit is connected with the LED display unit, the reset unit, the halt control unit, the system protecting unit, the inverter, the alarm unit and the governor control unit in parallel; the inverter is connected with the temperature controller and the humidity controller. The circuit structure of the water pump control system well achieves overspeed protection, tripping and resetting in-place operation, automatic and manual rotating speed control, alarming, indicating and other functions of a pump, fluid media in a special process pipe can play a great role in major accidents of a nuclear power station, and security assurance of the nuclear power station is improved.
Description
Technical field
The present invention relates to a kind of circuit structure, relate in particular to a kind of circuit structure of the control system of water pump for nuclear power station turbine driven auxiliary feed-water pump.
Background technique
Nuclear power station turbine driven auxiliary feed-water pump is Nuclear Power Station safety class equipment; in order to make special process pipeline inner fluid medium play the effect of extremely important key in the time preventing nuclear power station generation serious accident; just need to pass through effective work of control cabinet; make auxiliary feed water pump meet the requirement of steam generator auxiliary feedwater, the overspeed protection that realizes pump, tripping operation and reset local operation, automatic and manual rotating speed control, the functions such as warning and indication.
But in the control cabinet of domestic nuclear power, the circuit structure in control cabinet can't be realized such function of turbine driven auxiliary feed-water pump, makes the flowing medium in pipeline cannot play important effect, safeguards the security of operation of nuclear power station at present.
Summary of the invention
For the technical problem of above-mentioned existence, the object of the invention is: proposed a kind of circuit structure that can make nuclear power station automobile auxiliary feed water pump realize the control system of water pump of various functions.
For achieving the above object, the technical solution used in the present invention is: a kind of circuit structure of control system of water pump, comprises power supply unit, LED display unit, reset unit, shutdown control unit, system protection unit, inverter, alarm unit, speed regulator control unit, humidity controller and temperature controller; On described power supply unit, be parallel with LED display unit, reset unit, shutdown control unit, system protection unit, inverter, alarm unit and speed regulator control unit; On described inverter, be connected with temperature controller and humidity controller.
Preferably, described alarm unit is flash alarm.
Preferably, described LED display unit is provided with seven LED lights.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The circuit structure of a kind of control system of water pump of the present invention program; by being connected in parallel on the mutual transmission of signal between LED display unit, reset unit, shutdown control unit, system protection unit, inverter, alarm unit and the speed regulator control unit on distribution mould; overspeed protection, tripping operation and the reset local operation of pump, automatic and manual rotating speed control are realized well; the functions such as warning and indication; flowing medium in special process pipeline can be played an important role in nuclear power station generation major accident, improved the safety guarantee of nuclear power station.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
The circuit diagram of the circuit structure that accompanying drawing 1 is control system of water pump of the present invention;
Accompanying drawing 2 is the partial enlarged drawing of A in accompanying drawing 1;
Accompanying drawing 3 is the partial enlarged drawing of B in accompanying drawing 1;
Accompanying drawing 4 is the partial enlarged drawing of C in accompanying drawing 1;
Accompanying drawing 5 is the partial enlarged drawing of D in accompanying drawing 1;
Wherein: 1, power supply unit; 2, LED display unit; 3, reset unit; 4, shut down control unit; 5, system protection unit; 6, inverter; 7, alarm unit; 8, speed regulator control unit; 9, humidity controller; 10, temperature controller.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described.
The circuit structure of a kind of control system of water pump of the present invention as shown in accompanying drawing 1-5, comprises power supply unit 1, LED display unit 2, reset unit 3, shuts down control unit 4, system protection unit 5, inverter 6, alarm unit 7, speed regulator control unit 8, humidity controller 9 and temperature controller 10; On described power supply unit 1, be parallel with LED display unit 2, reset unit 3, shut down control unit 4, system protection unit 5, inverter 6, alarm unit 7 and speed regulator control unit 8; On described inverter 6, be connected with temperature controller 10 and humidity controller 9; Described alarm unit 7 is flash alarm; Described LED display unit 2 is provided with seven LED lights.
The circuit structure of control system of water pump of the present invention, carry out stoppage protection in the time needing the rotating speed of pump to be 110% time, open PB4 button, like this when the rotating speed of pump is rated speed 110% time, Woodward505 speed regulator sends signal to 35 ports and 36 ports, 35 ports are connected closed with 36 ports, thereby water pump system is quit work, water pump has carried out overspeed protection, carry out stoppage protection in the time needing the rotating speed of pump to be 120% time, close PB4 button, like this when the rotating speed of pump is rated speed 120% time, Woodward505 speed regulator sends signal to 38 ports and 39 ports, 38 ports that make and 39 ports are communicated with, thereby water pump system is quit work, water pump has carried out overspeed protection.
The circuit structure of control system of water pump of the present invention is provided with hand reset button in reset unit, and operator can carry out reset operation to system directly pressing the button, and have guaranteed the normal operation of system; In the time of system automatic trip, mechanical trip reset electromagnetic coil obtains electric, and mechanical trip is resetted and be communicated with, thereby make system can continue normal work,
The circuit structure of control system of water pump of the present invention, the rotating speed of water pump and flow can carry out rotating speed control and flow control by the Relay#5 and the Relay#6 that control on Woodward505 speed regulator.
The circuit structure of control system of water pump of the present invention, Woodward505 speed regulator is connected with alarm unit, and in the time going wrong in the control system of water pump, alarm unit will give the alarm accordingly.
In the circuit structure of above-mentioned control system of water pump; in the LED unit of display, be provided with seven LED lights; wherein defining RD1 is local panel halt indicator; RD2 is pump hypervelocity halt indicator, and RD3 is reserve shut-down tutorial light, and RD4 is master-control room halt indicator; GD2 is mechanical trip homing light; RD5 is mechanical trip action indicator, and GD1 is throttle handwheel standard-sized sheet tutorial light, when occurring in water pump system.
In the circuit structure of above-mentioned control system of water pump, direct current in power supply unit becomes Ac by inverter from direct current, then temperature controller and humidity control are coupled respectively, temperature and humidity in control cabinet is controlled and monitored, prevent that temperature and humidity from changing the operation to system and impacting.
The circuit structure of above-mentioned control system of water pump, in the time finding that pumping system goes wrong, can directly quit work whole system by the local panel stop botton of shutting down in unit, in case there is emergency.
The circuit structure of above-mentioned control system of water pump is also provided with standby power supply in power supply unit, is mainly to use in some special power-off in the situation that.
The circuit structure of control system of water pump of the present invention; it has well realized overspeed protection, tripping operation and the reset local operation of pump, automatic and manual rotating speed control; the functions such as warning and indication; flowing medium in special process pipeline can be played an important role in nuclear power station generation major accident, improved the safety guarantee of nuclear power station.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (3)
1. a circuit structure for control system of water pump, is characterized in that: comprise power supply unit, LED display unit, reset unit, shutdown control unit, system protection unit, inverter, alarm unit, speed regulator control unit, humidity controller and temperature controller; On described power supply unit, be parallel with LED display unit, reset unit, shutdown control unit, system protection unit, inverter, alarm unit and speed regulator control unit; On described inverter, be connected with temperature controller and humidity controller.
2. the circuit structure of control system of water pump according to claim 1, is characterized in that: described alarm unit is flash alarm.
3. the circuit structure of control system of water pump according to claim 2, is characterized in that: described LED display unit is provided with seven LED lights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743614.4A CN103807157A (en) | 2013-12-30 | 2013-12-30 | Circuit structure of water pump control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743614.4A CN103807157A (en) | 2013-12-30 | 2013-12-30 | Circuit structure of water pump control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103807157A true CN103807157A (en) | 2014-05-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310743614.4A Pending CN103807157A (en) | 2013-12-30 | 2013-12-30 | Circuit structure of water pump control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN103807157A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488551A (en) * | 2018-12-29 | 2019-03-19 | 福建福清核电有限公司 | A kind of pneumatic pump electrical overspeed test tele-control system and method |
| CN113257444A (en) * | 2021-04-22 | 2021-08-13 | 广东核电合营有限公司 | Method for preventing overspeed tripping in full-flow test of auxiliary water supply steam-driven pump of nuclear power station |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2233952Y (en) * | 1995-09-19 | 1996-08-28 | 薛振东 | Computer controller for automatic water supply system |
| US20080196887A1 (en) * | 2007-02-20 | 2008-08-21 | Mccoy Robert H | Apparatus and method for active circuit protection of downhole electrical submersible pump monitoring gauges |
| CN201730811U (en) * | 2010-03-10 | 2011-02-02 | 扬州大学 | Photovoltaic water pump controller |
| CN103206365A (en) * | 2013-03-06 | 2013-07-17 | 深圳市泰永电气科技有限公司 | Fire control system with power supply conversion and inspection functions |
| CN103218007A (en) * | 2013-04-12 | 2013-07-24 | 刘昇澔 | Circuit system and control method for electronic converter |
| CN203770107U (en) * | 2013-12-30 | 2014-08-13 | 苏州市东仪自控设备有限公司 | Circuit structure of water pump control system |
-
2013
- 2013-12-30 CN CN201310743614.4A patent/CN103807157A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2233952Y (en) * | 1995-09-19 | 1996-08-28 | 薛振东 | Computer controller for automatic water supply system |
| US20080196887A1 (en) * | 2007-02-20 | 2008-08-21 | Mccoy Robert H | Apparatus and method for active circuit protection of downhole electrical submersible pump monitoring gauges |
| CN201730811U (en) * | 2010-03-10 | 2011-02-02 | 扬州大学 | Photovoltaic water pump controller |
| CN103206365A (en) * | 2013-03-06 | 2013-07-17 | 深圳市泰永电气科技有限公司 | Fire control system with power supply conversion and inspection functions |
| CN103218007A (en) * | 2013-04-12 | 2013-07-24 | 刘昇澔 | Circuit system and control method for electronic converter |
| CN203770107U (en) * | 2013-12-30 | 2014-08-13 | 苏州市东仪自控设备有限公司 | Circuit structure of water pump control system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488551A (en) * | 2018-12-29 | 2019-03-19 | 福建福清核电有限公司 | A kind of pneumatic pump electrical overspeed test tele-control system and method |
| CN113257444A (en) * | 2021-04-22 | 2021-08-13 | 广东核电合营有限公司 | Method for preventing overspeed tripping in full-flow test of auxiliary water supply steam-driven pump of nuclear power station |
| CN113257444B (en) * | 2021-04-22 | 2022-09-09 | 广东核电合营有限公司 | Method for preventing overspeed tripping in full-flow test of auxiliary water supply steam-driven pump of nuclear power station |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151229 Address after: Wuzhong District Mudu town of Suzhou city in Jiangsu province 215101 Golden Bridge Industrial Park in the Southern District (Wood Road) Applicant after: SUZHOU EAST INSTRUMENT ELECTRIC TECHNOLOGY CO., LTD. Address before: Suzhou City, Jiangsu province 215101 Suzhou Mudu Bridge Industrial Park Wood Road No. 309 Suzhou East Instrument Automation Equipment Co Ltd Applicant before: SUZHOU EAST-INSTRUMENT AUTOMATIC CONTROL EQUIPMENT CO., LTD. |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140521 |
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| RJ01 | Rejection of invention patent application after publication |