CN202196292U - Hydropower station technical water supply intelligent control system - Google Patents
Hydropower station technical water supply intelligent control system Download PDFInfo
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- CN202196292U CN202196292U CN201120318984XU CN201120318984U CN202196292U CN 202196292 U CN202196292 U CN 202196292U CN 201120318984X U CN201120318984X U CN 201120318984XU CN 201120318984 U CN201120318984 U CN 201120318984U CN 202196292 U CN202196292 U CN 202196292U
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Abstract
The utility model discloses a hydropower station technical water supply intelligent control system which includes a technical water supply intelligent control device, water pump motors, water filters, and electric ball valves, a current indicating signal meter, a main pipe electromagnetic flowmeter, and a water temperature transmitter. The current indicating signal meter, the main pipe electromagnetic flowmeter, and the water temperature transmitter are connected with an input terminal of the technical water supply intelligent control device. The two water pump motors, the two water filters, and the two electric ball valves are connected with an output terminal of the technical water supply intelligent control device. The inside of the technical water supply intelligent control device is provided with water pump motor main circuits, a first control power circuit, a second power circuit, a PLC analog input circuit, a PLC switching value input circuit, and a PLC switching value output circuit. The technical water supply intelligent control device is connected with an entire industry computer monitoring system via a hard joint switching value up-supplying circuit and a display circuit. The system has a simple structure and perfect functions, and is easy to learn and maintain, and truly ensures the final realization of unmanned management of a power station.
Description
Technical field
The utility model belongs to public auxiliary supply equipment control field, power station, is specifically related to a kind of power station technical water supply intelligence control system.
Background technology
Power station technical water supply intelligence control system is the important component part of the public utility appliance in power station; Purpose is for the chilled water of hydroelectric station operation equipment is provided, and its normal operation is to guarantee that power station water cooling system operation and even generator normally move the precondition of generating.At present; The technology of the miniature PLC that handles based on traditional conventional relay control, element electric machines control technology (isolating switch, contactor, electrothermal relay) or unity logic is because easy break-down, not easy care, complex structure etc.; Do not satisfy the needs of current power station " few people on duty, unmanned " development yet; Simultaneously can not realize that Large Volume Data exchange, man-machine conversation are single, operation conditions and query history service data that can not real-time display system with full factory supervisory system.
Summary of the invention
The purpose of the utility model is to provide a kind of power station technical water supply intelligence control system; Be prone to the question topic to solve the fault that causes because of the control system defective; Simultaneously simplified structure, consummating function, be prone to learn simple, maintain easily, realize finally for the power station that really " unmanned " provides assurance.
For achieving the above object; The technical scheme that the utility model is taked is: a kind of power station technical water supply intelligence control system is provided, it is characterized in that comprising technical water supply intelligence controlling device, two pump motors, two water filters, two electrical ball valves, show stream signal meter, house steward's electromagnetic flowmeter, water temperature transmitter; Said stream signal meter, house steward's electromagnetic flowmeter, the water temperature transmitter of showing is connected with the signal input part of technical water supply intelligence controlling device; Said two pump motors, two water filters, two electrical ball valves are connected with the signal output part of technical water supply intelligence controlling device; Be provided with in the said technical water supply intelligence controlling device on two pump motor main circuits, control power circuit one, control power circuit two, two water filter circuit, two electrical ball valve circuit, PLC simulated measurement input circuit, PLC switching value input circuit, PLC switching value output circuit, the hard contact switch amount and send circuit, display circuit; Said technical water supply intelligence controlling device is connected with full factory computer supervisory control system through sending circuit and display circuit on the hard contact switch amount.
Said two pump motor main circuits are identical, comprise two air-breaks, soft initiator, pump motor, soft initiator control power circuit; Said air-break upper end is connected with the 380V AC power, and the lower end is connected with two soft initiators respectively, and another air-break is arranged on the soft initiator control power circuit; Said 380V AC power end of incoming cables is provided with lightning protection device; Said soft initiator is connected with pump motor; The control power supply of said soft initiator control power circuit is the 220V AC power, connects through air switch and air-break lower ends.
Said control power circuit one comprises and exchanges air switch, two Switching Power Supplies, direct current air switch, two power monitoring relays, two bridges heaps; The input end of said interchange air switch links to each other with AC power, and the output terminal that exchanges air switch links to each other with the power input of Switching Power Supply; The input end of said direct current air switch links to each other with direct supply, and the output terminal of direct current air switch links to each other with the power input of Switching Power Supply; The output terminal of said two Switching Power Supplies is the parallel connection power supply supervisory relay respectively, and cascaded bridges is piled parallel connection back, back circuit is connected to the circuit of each electricity consumption place through air switch branch road respectively again.
Said control power circuit two comprises and exchanges air switch, two Switching Power Supplies, direct current air switch, two power monitoring relays, two bridges heaps; The input end of said interchange air switch links to each other with AC power, and the output terminal that exchanges air switch links to each other with the power input of Switching Power Supply; The input end of said direct current air switch links to each other with direct supply, and the output terminal of direct current air switch links to each other with the power input of Switching Power Supply; The output terminal of said two Switching Power Supplies is the parallel connection power supply supervisory relay respectively, and cascaded bridges is piled parallel connection back, back circuit is connected to the circuit of each electricity consumption place through air switch branch road respectively again.
Said PLC simulated measurement input circuit comprises water main's pressure transducer input contact, water main's temperature sensor input contact, cooling water flow meter input contact at least.
At least comprise in the said PLC switching value input circuit two pump motor automatic transfer switchs from the operation of movable contact, two soft initiators and fault spread signal input contact, two pump motor main circuit inlet wire air-break input contacts, two control power monitoring relays input contacts, show stream signal meter input contact, house steward's electromagnetic flowmeter input contact, water temperature transmitter input contact.
At least comprise two pump motor pilot relay output contacts, resultant fault relay output contact, the alert relay output contact of water main's pressure anomaly, the alert relay output contact of water main's temperature anomaly, two duplicate relay output contacts in the said PLC switching value output circuit.
The automatic transfer switch that send circuit and display circuit to comprise control power fail contact, technical water supply intelligence controlling device fault contact, two pump motors at least on the said hard contact switch amount is warned relay output contact, the alert relay output contact of water main's temperature anomaly, duplicate relay output contact from movable contact, two pump motor pilot relay normal opened contact resultant fault relay output contacts, water main's pressure anomalies.
Said technical water supply intelligence controlling device is provided with intelligent temperature controller and intelligent humidity controller; And intelligent temperature controller is connected with the power end of fan, and the intelligent humidity controller is connected with the power end of well heater.Because a kind of power station technical water supply intelligence control system that the utility model provides adopts high-performance PLC control, and has simplified the internal system structure; Component moduleization has increased stand-by equipment, has guaranteed that not only accident treatment is timely; And reduced the generation of fault, made things convenient for maintenance; In addition, simple, the perfect in shape and function of this system architecture, the many contents of big picture show, interactive advantage in all directions.
Description of drawings
Fig. 1 moves towards sketch for the signal of power station technical water supply intelligence control system.
Fig. 2 is a pump motor main circuit schematic diagram.
Fig. 3 is the schematic diagram of control power circuit one.
Fig. 4 is the schematic diagram of control power circuit two.
Embodiment
Describe in detail below in conjunction with the embodiment of accompanying drawing the utility model.
Of Fig. 1, this power station technical water supply intelligence control system comprises technical water supply intelligence controlling device, two pump motors, two water filters, two electrical ball valves, shows stream signal meter, house steward's electromagnetic flowmeter, water temperature transmitter; Show that stream signal meter, house steward's electromagnetic flowmeter, water temperature transmitter are connected with the signal input part of technical water supply intelligence controlling device; Two pump motors, two water filters, two electrical ball valves are connected with the signal output part of technical water supply intelligence controlling device; Be provided with in the technical water supply intelligence controlling device on two pump motor main circuits, control power circuit one, control power circuit two, two water filter circuit, two electrical ball valve circuit, PLC simulated measurement input circuit, PLC switching value input circuit, PLC switching value output circuit, the hard contact switch amount and send circuit, display circuit; The technical water supply intelligence controlling device is connected with full factory computer supervisory control system through sending circuit and display circuit on the hard contact switch amount.
As shown in Figure 2, the AC380 power supply of three-phase four-wire system connects the end of incoming cables of air-break 1QFM again through power connection terminal XD:1/XD:2/XD:3 access dish cabinet behind the parallelly connected lightning protection device FV; The leading-out terminal of air-break 1QFM connects the main circuit input terminal 1L1/3L2/5L3 of soft initiator ATS; The 1L2 of the leading-out terminal of air-break 1QFM is parallelly connected with air switch 11QFC; The outlet of soft initiator ATS main circuit is connected to dish cabinet power outlet terminal XD:4/XD:5/XD:6 through terminal 2T1/4T2/6T3, and dish cabinet power outlet terminal XD:4/XD:5/XD:6 is connected to pump motor M1.The control power supply of soft initiator is AC220V, introduces CL1 through air switch 11QFC; The N1 line of control power supply directly inserts CL2.The start and stop of the soft initiator ATS control mode of connection is: it is last to be connected to soft initiator ATS+24V under the normal opened contact of PLC output control relay KC01 and the manual state under the access auto state after RUN and the parallel connection of STOP terminal.The state output of soft initiator ATS picks out through R2A/R2C and R1A/R1C terminal; R2C/R1C parallel connection Access Control power supply 211; R2A and R1A receive respectively on the coil pin 13 of KA11 and KA12, the N1 of the coil pin 14 parallelly connected Access Control power supplys of KA11 and KA12.The coil two ends of KA10 connect control power supply 211 and control power supply N1, keep watch on power supply as control.
As shown in Figure 3, control power circuit one is: the input end that exchanges air switch QF02 links to each other with N with the L of AC power respectively, and output terminal links to each other with the power input of Switching Power Supply US2; The input end of direct current air switch QF01 links to each other with DC220V-with direct supply DC220V+ respectively, and output terminal links to each other with the power input of Switching Power Supply US1.The output terminal of power supply US1 and US2 is parallel connection power supply supervisory relay 1KVS and 2KVS respectively, and cascaded bridges is piled VD1 and VD2 respectively again, and final two power supplys are parallel to together, and the circuit after the parallel connection is through the branch road of air switch to each electricity consumption place.
As shown in Figure 4, control power circuit two is: the input end that exchanges air switch QF04 links to each other with N with the L of AC power respectively, and output terminal links to each other with the power input of Switching Power Supply US4; The input end of direct current air switch QF03 links to each other with DC220V-with direct supply DC220V+ respectively, and output terminal links to each other with the power input of Switching Power Supply US3.The output terminal of power supply US3 and US4 is parallel connection power supply supervisory relay 3KVS and 4KVS respectively, and cascaded bridges is piled VD3 and VD4 respectively again, and final two power supplys are parallel to together, and the circuit after the parallel connection is through the branch road of air switch to each electricity consumption place.PLC switching value input power supply 305 is introduced power supplys for all DI points, comprise at least in the PLC switching value input circuit two pump motor automatic transfer switchs from the operation of movable contact, soft initiator and fault spread signal input contact, two pump motor main circuit inlet wire air-breaks input contacts, control power monitoring relays input contacts, show that stream signal meter input contact, house steward's electromagnetic flowmeter are imported contact, the water temperature transmitter is imported contact.The power supply of PLC switching value output circuit is a PLC switching value out-put supply 306, comprises two pump motor pilot relay output contacts, resultant fault relay output contact, the alert relay output contact of water main's pressure anomaly, the alert relay output contact of water main's temperature anomaly, duplicate relay output contact in the PLC switching value output circuit at least.The power supply of PLC simulated measurement input circuit is an analog quantity working power 307, and the PLC simulated measurement input circuit comprises water main's pressure transducer input contact, water main's temperature sensor input contact, cooling water flow meter input contact at least.
Send circuit and display circuit to comprise that at least control power fail contact, technical water supply intelligence controlling device fault contact, two pump motor automatic transfer switchs are from movable contact, two water pump pilot relay normal opened contact resultant fault relay output contacts, the alert relay output contact of water main's pressure anomalies, the alert relay output contact of water main's temperature anomalies, duplicate relay output contact on the hard contact switch amount.
The technical water supply intelligence controlling device is provided with intelligent temperature controller and intelligent humidity controller; And intelligent temperature controller is connected with the power end of fan, and the intelligent humidity controller is connected with the power end of well heater.
It below only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and distortion to the utility model, these improvement and distortion also fall in the protection domain of the utility model.
Claims (9)
1. power station technical water supply intelligence control system is characterized in that comprising technical water supply intelligence controlling device, two pump motors, two water filters, two electrical ball valves, shows stream signal meter, house steward's electromagnetic flowmeter, water temperature transmitter; Said stream signal meter, house steward's electromagnetic flowmeter, the water temperature transmitter of showing is connected with the signal input part of technical water supply intelligence controlling device; Said two pump motors, two water filters, two electrical ball valves are connected with the signal output part of technical water supply intelligence controlling device; Be provided with in the said technical water supply intelligence controlling device on two pump motor main circuits, control power circuit one, control power circuit two, two water filter circuit, two electrical ball valve circuit, PLC simulated measurement input circuit, PLC switching value input circuit, PLC switching value output circuit, the hard contact switch amount and send circuit, display circuit; Said technical water supply intelligence controlling device is connected with full factory computer supervisory control system through sending circuit and display circuit on the hard contact switch amount.
2. according to the described power station of claim 1 technical water supply intelligence control system, it is characterized in that: said two pump motor main circuits are identical, comprise two air-breaks, soft initiator, pump motor, soft initiator control power circuit; Said air-break upper end is connected with the 380V AC power, and the lower end is connected with two soft initiators respectively, and another air-break is arranged on the soft initiator control power circuit; Said 380V AC power end of incoming cables is provided with lightning protection device; Said soft initiator is connected with pump motor; The control power supply of said soft initiator control power circuit is the 220V AC power, connects through air switch and air-break lower ends.
3. according to the described power station of claim 1 technical water supply intelligence control system, it is characterized in that: said control power circuit one comprises and exchanges air switch, two Switching Power Supplies, direct current air switch, two power monitoring relays, two bridges heaps; The input end of said interchange air switch links to each other with AC power, and the output terminal that exchanges air switch links to each other with the power input of Switching Power Supply; The input end of said direct current air switch links to each other with direct supply, and the output terminal of direct current air switch links to each other with the power input of Switching Power Supply; The output terminal of said two Switching Power Supplies is the parallel connection power supply supervisory relay respectively, and cascaded bridges is piled parallel connection back, back circuit is connected to the circuit of each electricity consumption place through air switch branch road respectively again.
4. according to the described power station of claim 1 technical water supply intelligence control system, it is characterized in that: said control power circuit two comprises and exchanges air switch, two Switching Power Supplies, direct current air switch, two power monitoring relays, two bridges heaps; The input end of said interchange air switch links to each other with AC power, and the output terminal that exchanges air switch links to each other with the power input of Switching Power Supply; The input end of said direct current air switch links to each other with direct supply, and the output terminal of direct current air switch links to each other with the power input of Switching Power Supply; The output terminal of said two Switching Power Supplies is the parallel connection power supply supervisory relay respectively, and cascaded bridges is piled parallel connection back, back circuit is connected to the circuit of each electricity consumption place through air switch branch road respectively again.
5. according to the described power station of claim 1 technical water supply intelligence control system, it is characterized in that: said PLC simulated measurement input circuit comprises water main's pressure transducer input contact, water main's temperature sensor input contact, cooling water flow meter input contact at least.
6. according to the described power station of claim 1 technical water supply intelligence control system, it is characterized in that: comprise at least in the said PLC switching value input circuit two pump motor automatic transfer switchs from the operation of movable contact, two soft initiators and fault spread signal input contact, two pump motor main circuit inlet wire air-break input contacts, two control power monitoring relays input contacts, show stream signal meter input contact, house steward's electromagnetic flowmeter input contact, water temperature transmitter input contact.
7. according to the described power station of claim 1 technical water supply intelligence control system, it is characterized in that: comprise two pump motor pilot relay output contacts, resultant fault relay output contact, the alert relay output contact of water main's pressure anomaly, the alert relay output contact of water main's temperature anomaly, two duplicate relay output contacts in the said PLC switching value output circuit at least.
8. according to the described power station of claim 1 technical water supply intelligence control system, it is characterized in that: the automatic transfer switch that send circuit and display circuit to comprise control power fail contact, technical water supply intelligence controlling device fault contact, two pump motors at least on the said hard contact switch amount is warned relay output contact, the alert relay output contact of water main's temperature anomaly, duplicate relay output contact from movable contact, two pump motor pilot relay normal opened contact resultant fault relay output contacts, water main's pressure anomalies.
9. according to the described power station of claim 1 technical water supply intelligence control system, it is characterized in that: said technical water supply intelligence controlling device is provided with intelligent temperature controller and intelligent humidity controller; And intelligent temperature controller is connected with the power end of fan, and the intelligent humidity controller is connected with the power end of well heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120318984XU CN202196292U (en) | 2011-08-30 | 2011-08-30 | Hydropower station technical water supply intelligent control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120318984XU CN202196292U (en) | 2011-08-30 | 2011-08-30 | Hydropower station technical water supply intelligent control system |
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| Publication Number | Publication Date |
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| CN202196292U true CN202196292U (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120318984XU Expired - Fee Related CN202196292U (en) | 2011-08-30 | 2011-08-30 | Hydropower station technical water supply intelligent control system |
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| CN (1) | CN202196292U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088872A (en) * | 2013-02-01 | 2013-05-08 | 天津大学 | Water supplying system for flow device |
| CN105204486A (en) * | 2014-06-06 | 2015-12-30 | 南京南瑞继保电气有限公司 | Control method for main circulating pump of water-cooling system |
| CN112767191A (en) * | 2020-12-31 | 2021-05-07 | 山东华立供水设备有限公司 | Water resource debugging platform |
-
2011
- 2011-08-30 CN CN201120318984XU patent/CN202196292U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088872A (en) * | 2013-02-01 | 2013-05-08 | 天津大学 | Water supplying system for flow device |
| CN105204486A (en) * | 2014-06-06 | 2015-12-30 | 南京南瑞继保电气有限公司 | Control method for main circulating pump of water-cooling system |
| CN105204486B (en) * | 2014-06-06 | 2017-11-24 | 南京南瑞继保电气有限公司 | A kind of control method of water cooling system main circulation pump |
| CN112767191A (en) * | 2020-12-31 | 2021-05-07 | 山东华立供水设备有限公司 | Water resource debugging platform |
| CN112767191B (en) * | 2020-12-31 | 2023-01-24 | 山东华立供水设备有限公司 | Water resource debugging platform |
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| Date | Code | Title | Description |
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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: 20120418 Termination date: 20150830 |
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| EXPY | Termination of patent right or utility model |