CN203770107U - Circuit structure of water pump control system - Google Patents
Circuit structure of water pump control system Download PDFInfo
- Publication number
- CN203770107U CN203770107U CN201320881484.6U CN201320881484U CN203770107U CN 203770107 U CN203770107 U CN 203770107U CN 201320881484 U CN201320881484 U CN 201320881484U CN 203770107 U CN203770107 U CN 203770107U
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- unit
- water pump
- circuit structure
- control system
- inverter
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a circuit structure of a water pump control system. The circuit structure of the water pump control system comprises a power distribution unit, an LED (light-emitting diode) display unit, a reset unit, a shutdown control unit, a system protection unit, an inverter, an alarm unit, a speed adjustor control unit, a humidity controller and a temperature controller, wherein the power distribution unit is connected in parallel with the LED display unit, the reset unit, the shutdown control unit, the system protection unit, the inverter, the alarm unit and the speed adjustor control unit; the inverter is connected with the temperature controller and the humidity controller. According to the circuit structure of the water pump control system disclosed by the utility model, the functions of over-speed protection, tripping and reset on-site operation, automatic and manual rotating speed control, giving an alarm, indicating and the like of the pump are realized, so that a fluid medium in a special process pipeline can play an important role in major accidents of a nuclear power plant, and the security assurance of the nuclear power plant is improved.
Description
Technical field
The utility model relates to a kind of circuit structure, relates 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 instruction.
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.
Model utility content
The utility model object is that 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 is provided in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model 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 utility model compared with prior art has following advantages:
The circuit structure of a kind of control system of water pump of the utility model scheme; 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 instruction; 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.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
The circuit diagram of the circuit structure that accompanying drawing 1 is control system of water pump of the present utility model;
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 drawings and the specific embodiments, the utility model is described in further detail.
The circuit structure of a kind of control system of water pump described in the utility model 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 utility model, 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 utility model is provided with hand reset button in reset unit, and operator can carry out reset operation to system directly pressing the button, and have ensured 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 utility model, 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 utility model, 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 utility model; 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 instruction; 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.
Below be only concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technological scheme of formation, within all dropping on the utility model rights protection scope.
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 |
|---|---|---|---|
| CN201320881484.6U CN203770107U (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 |
|---|---|---|---|
| CN201320881484.6U CN203770107U (en) | 2013-12-30 | 2013-12-30 | Circuit structure of water pump control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770107U true CN203770107U (en) | 2014-08-13 |
Family
ID=51287304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881484.6U Expired - Lifetime CN203770107U (en) | 2013-12-30 | 2013-12-30 | Circuit structure of water pump control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807157A (en) * | 2013-12-30 | 2014-05-21 | 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 CN201320881484.6U patent/CN203770107U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807157A (en) * | 2013-12-30 | 2014-05-21 | 苏州市东仪自控设备有限公司 | Circuit structure of water pump control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Wuzhong District Mudu town of Suzhou city in Jiangsu province 215101 Golden Bridge Industrial Park in the Southern District (Wood Road) Patentee after: SUZHOU EAST INSTRUMENT ELECTRIC TECHNOLOGY Co.,Ltd. Address before: Suzhou City, Jiangsu province Mudu 215101 Golden Bridge Industrial Park Wood Road No. 309 Suzhou East Instrument Automation Equipment Co Ltd Patentee before: SUZHOU EAST-INSTRUMENT AUTOMATIC CONTROL EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
|
| CX01 | Expiry of patent term |