CN105511506A - Water level control device for water collecting well - Google Patents
Water level control device for water collecting well Download PDFInfo
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- CN105511506A CN105511506A CN201510838277.6A CN201510838277A CN105511506A CN 105511506 A CN105511506 A CN 105511506A CN 201510838277 A CN201510838277 A CN 201510838277A CN 105511506 A CN105511506 A CN 105511506A
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- pole
- relay
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Abstract
The invention relates to the technical field of the water level control technology for a water collecting well in a small-sized hydropower plant and provides a water level control device for a water collecting well. The device comprises a submersible pump, a feedback control device and a water level monitoring tube fixedly installed inside the water collecting well. Water inlet holes are arranged uniformly around the outer side of the water level monitoring tube. The inner ends of the water inlet holes are in communication with the inner cavity of the water level monitoring tube. A high-water-level electrode tip, a medium-water-level electrode tip and a low-water-level electrode tip are respectively fixed inside the upper part, the middle part and the lower part of the inner cavity of the water level monitoring tube. The motor of the submersible pump is electrically connected to the feedback control device via a pump cable. The device is reasonable and compact in structure, and convenient to use. The water level in the water collecting well is monitored in real time by the water-level electrode tips, and the switching-on/off state of the submersible pump is automatically controlled by the feedback control device. Therefore, the automatic operation of the submersible pump is realized. Meanwhile, the damage rate of the submersible pump and a relay is lowered. Moreover, the labor intensity and the maintenance workload of inspectors are significantly reduced. The power generation cost is saved.
Description
Technical field
The present invention relates to small hydropower station sump water lev el control technical field, is a kind of sump water-level control apparatus.
Background technology
The sewage exported in current existing small-sized stream water channeling type hydroelectric power plant operational process, the chilled water that such as turbine-generator units uses, lubricate sewage unnecessary on water and top cover, general is all concentrated by drainpipe to drain into sump, when the water level of sump is higher, need by submersible pump, the sewage in sump to be discharged, if the water level of sump is too high, not only in factory building, ground is wet and slippery, The water splash in all directions, operator on duty is caused to patrol and examine difficulty, and penstock and each cooling water pipe can be caused to invade bubble for a long time, oxidation, easy build-up of pressure steel pipe and pipe surface corrosion, make penstock and duct wall thinning, greatly shorten its serviceable life.
Existing sump in actual use, because silt overflow stage is larger, sump silt content is many, mechanical fitting is not only made to wear and tear larger, and sump Sediment Siltation, sump volume is caused to diminish, the water level rise time shortens, level relay minimum point is buried by silt, cause level relay malfunctioning, submersible pump is buried by silt, cause submersible pump not draw water even to damage, turbine chamber during causing generating leaks seriously, sump waterflooding can be caused when leaking large, the hydraulic turbine is shut down, whole factory building waterflooding is even caused time serious, have impact on the normal operation of equipment.
Existing sump water level control system is manual manipulation, operations staff special messenger is needed to nurse, add manpower and maintenance simultaneously, the workload safeguarded, frequent manual operation, easily make water pump ac contactor contact sticky dead, or scaling loss contactor, and submersible pump frequent starting, submersible pump is easily caused to damage, when there is secondary circuit fault, factory becomes protection Frequent trip, less reliable, negative effect is caused to the automatic operation of generating set, also easily soft fault is there is when the hydraulic turbine normally runs, controling parameters is caused to drift about, not only economic loss is large, maintenance workload is more, even cause factory building waterflooding, danger is brought to the normal operation of generator.
Therefore, the sump water level control system that existing hydroelectric power plant uses has the following disadvantages in actual use: manual manipulation needs staff on duty, operation is wasted time and energy, the fragile contactor of frequent operation and submersible pump, affect generating set and normally run, there is potential safety hazard.
Summary of the invention
The invention provides a kind of sump water-level control apparatus, overcome the deficiency of above-mentioned prior art, its manual manipulation that effectively can solve the existence of existing sump water level control system needs staff on duty, operation is wasted time and energy, the fragile contactor of frequent operation and submersible pump, affect the problem that potential safety hazard was normally run, existed to generating set.
Technical scheme of the present invention is realized by following measures: a kind of sump water-level control apparatus, the water level monitoring pipe comprising submersible pump, feed back control system and can be fixedly mounted in sump, outside around water level monitoring pipe is evenly equipped with inlet opening, the inner of inlet opening communicates with water level monitoring tube cavity, in the top inner chamber of water level monitoring pipe, high water level electrode head is fixed with respectively in the inner chamber of middle part with in lower lumen, middle water level electrode tip and low water level electrode head, submersible pump is positioned at the below of water level monitoring pipe lower end, the water inlet of submersible pump is positioned at submersible pump lower end and can communicates with inner chamber bottom sump, the water delivering orifice of submersible pump is connected with the sump blow-off pipe that can communicate with tail water catch gutter, the motor of submersible pump is electrically connected with feed back control system by water pump cable, high water level electrode head, middle water level electrode tip and low water level electrode head to be electrically connected with feed back control system respectively by level electrode cable and can to control submersible pump automatic operation according to water level height.
Here is the further optimization and/or improvements to foregoing invention technical scheme:
The upper end of above-mentioned water level monitoring pipe can be provided with the upper shutoff of band through wires hole, and the middle part of level electrode cable is arranged in through wires hole; Or/and the lower end of water level monitoring pipe can be fixed with filter screen.
Above-mentioned submersible pump can be blowdown submerged pump, and the water delivering orifice of blowdown submerged pump communicates with the water inlet of sump blow-off pipe, and blowdown submerged pump is provided with drain pump motors, and drain pump motors is electrically connected with feed back control system by feedback control circuit; Feed back control system can comprise control box, three pole master switchs, the first fuse, the second fuse, normally closed stop botton, switch, blowdown liquid level relay, dredge pump contactor and the first comprehensive protector of motor, switch, normally closed stop botton are arranged on control box, and three pole master switchs, the first fuse, the second fuse, blowdown liquid level relay, dredge pump contactor and the first comprehensive protector of motor are arranged in control box; Switch comprises can at the handle of dredge pump automatic transmission or the manual switching of dredge pump, the first switch contact, second switch contact and the 3rd switch contact, first switch contact and the electrical connection of second switch contact under dredge pump automatic transmission state, the first switch contact and the electrical connection of the 3rd switch contact under the manual state of dredge pump; Blowdown liquid level relay comprises blowdown relay the first terminal, blowdown relay second terminal, blowdown relay the 3rd terminal, blowdown relay the 4th terminal, blowdown relay Five-terminals, blowdown relay the 6th terminal, blowdown relay the 7th terminal, blowdown relay the 8th terminal; Dredge pump contactor comprises blowdown contactor coil and can three contacts, pole often opened by the blowdown motor that close because the energising of blowdown contactor coil, and the first comprehensive protector of motor comprises first and combines and protect device coil and can combine and protect device coil electricity and closed first combines guarantor's device normally opened contact because of first.
Above-mentioned feedback control circuit can comprise dredge pump motor governor circuit, dredge pump motor automatic control circuit and dredge pump motor manual circuit, dredge pump motor governor circuit comprises power supply first pole, power supply second pole, power supply the 3rd pole, three pole master switchs, three contact, pole and drain pump motors often opened by blowdown motor, power supply first pole is successively by three pole master switchs, the first connection terminal that blowdown motor often opens three contacts, pole and drain pump motors is electrically connected, power supply second pole is successively by three pole master switchs, the second connection terminal that blowdown motor often opens three contacts, pole and drain pump motors is electrically connected, power supply the 3rd pole is successively by three pole master switchs, the 3rd connection terminal that blowdown motor often opens three contacts, pole and drain pump motors is electrically connected, dredge pump motor automatic control circuit comprises power supply first pole, first fuse, normally closed stop botton, blowdown relay the first terminal, blowdown relay the 3rd terminal, blowdown relay the 4th terminal, blowdown relay Five-terminals, blowdown relay the 6th terminal, blowdown relay the 7th terminal, blowdown relay the 8th terminal, first switch contact, second switch contact, high water level electrode head, middle water level electrode tip, low water level electrode head, blowdown contactor coil, first combines guarantor's device normally opened contact, first combines guarantor's device coil, second fuse and power supply the 3rd pole, power supply first pole, first fuse, normally closed stop botton, blowdown relay the first terminal sequentially electricity is serially connected, and blowdown relay the 3rd terminal and blowdown relay the first terminal are electrically connected, and blowdown relay the 4th terminal and second switch contact are electrically connected, the first switch contact, first combines guarantor's device coil, second fuse, power supply the 3rd pole sequentially electricity is serially connected, first combines electricity after guarantor's device normally opened contact is connected in series with blowdown contactor coil electricity is connected in parallel on the first comprehensive two ends protecting device coil, blowdown relay Five-terminals and high water level electrode head are electrically connected, blowdown relay the 6th terminal and middle water level electrode tip are electrically connected, blowdown relay the 7th terminal and low water level electrode head are electrically connected, blowdown relay the 8th terminal, second fuse, power supply the 3rd pole sequentially electricity is serially connected, dredge pump motor manual circuit comprises power supply first pole, first fuse, normally closed stop botton, first switch contact, 3rd switch contact, first combines guarantor's device coil, first combines guarantor's device normally opened contact, blowdown contactor coil, second fuse and power supply the 3rd pole, power supply first pole, first fuse, normally closed stop botton, 3rd switch contact sequentially electricity is serially connected, first switch contact, first combines guarantor's device coil, second fuse and power supply the 3rd pole sequentially electricity are serially connected, first combines electricity after guarantor's device normally opened contact is connected in series with blowdown contactor coil electricity is connected in parallel on the first comprehensive two ends protecting device coil.
Above-mentioned control box can be provided with total power light and dredge pump relay indicating light, feedback control circuit also comprises power indicating circuit and dredge pump indication lamp circuit; Power indicating circuit comprises power supply first pole, the first fuse, normally closed stop botton, total power light, the second fuse and power supply the 3rd pole, and power supply first pole, the first fuse, normally closed stop botton, total power light, the second fuse, power supply the 3rd pole sequentially electricity are serially connected; Dredge pump contactor also comprises the blowdown that can close because of the energising of blowdown contactor coil and shows lamp normally opened contact; dredge pump indication lamp circuit comprises power supply first pole, lamp normally opened contact, dredge pump relay indicating light, the second fuse and power supply the 3rd pole is shown in the first fuse, normally closed stop botton, blowdown, power supply first pole, the first fuse, normally closed stop botton, blowdown show lamp normally opened contact, dredge pump relay indicating light, the second fuse, power supply the 3rd pole sequentially electricity be serially connected.
Above-mentioned submersible pump also can comprise submersible pump for subsequent use, and the water delivering orifice of submersible pump for subsequent use communicates with the water inlet of sump blow-off pipe, submersible pump for subsequent use is provided with reserve pump motor, and reserve pump motor is electrically connected with feed back control system by feedback control circuit; Feed back control system also comprises liquid level relay for subsequent use, stand-by pump contactor and the second comprehensive protector of motor, and liquid level relay for subsequent use, stand-by pump contactor and the second comprehensive protector of motor are arranged in control box; The handle of switch can also in stand-by pump automatic transmission or the manual switching of stand-by pump, switch also comprises the 4th switch contact, the 5th switch contact and the 6th switch contact, 4th switch contact and the electrical connection of the 5th switch contact under stand-by pump automatic transmission state, the 4th switch contact and the electrical connection of the 6th switch contact under the manual state of stand-by pump; Liquid level relay for subsequent use comprises duplicate relay the first terminal, duplicate relay second terminal, duplicate relay the 3rd terminal, duplicate relay the 4th terminal, duplicate relay Five-terminals, duplicate relay the 6th terminal, duplicate relay the 7th terminal, duplicate relay the 8th terminal; Stand-by pump contactor comprises contactor coil for subsequent use and three contacts, pole often opened by the motor for subsequent use that can close because contactor coil for subsequent use energising, and the second comprehensive protector of motor comprises second and combines and protect device coil and can combine and protect device coil electricity and closed second combines guarantor's device normally opened contact because of second.
Above-mentioned feedback control circuit can comprise stand-by pump motor governor circuit, stand-by pump motor automatic control circuit and stand-by pump motor manual circuit, stand-by pump motor governor circuit comprises power supply first pole, power supply second pole, power supply the 3rd pole, three pole master switchs, motor for subsequent use often drives three contacts, pole and reserve pump motor, power supply first pole is successively by three pole master switchs, the first connection terminal that motor for subsequent use often drives three contacts, pole and reserve pump motor is electrically connected, power supply second pole is successively by three pole master switchs, the second connection terminal that motor for subsequent use often drives three contacts, pole and reserve pump motor is electrically connected, power supply the 3rd pole is successively by three pole master switchs, the 3rd connection terminal that motor for subsequent use often drives three contacts, pole and reserve pump motor is electrically connected, stand-by pump motor automatic control circuit comprises power supply first pole, first fuse, normally closed stop botton, duplicate relay the first terminal, duplicate relay the 3rd terminal, duplicate relay the 4th terminal, duplicate relay Five-terminals, duplicate relay the 6th terminal, duplicate relay the 7th terminal, duplicate relay the 8th terminal, 4th switch contact, 5th switch contact, high water level electrode head, middle water level electrode tip, low water level electrode head, contactor coil for subsequent use, second combines guarantor's device normally opened contact, second combines guarantor's device coil, second fuse and power supply the 3rd pole, power supply first pole, first fuse, normally closed stop botton, duplicate relay the first terminal sequentially electricity is serially connected, and duplicate relay the 3rd terminal and duplicate relay the first terminal are electrically connected, and duplicate relay the 4th terminal and the 5th switch contact are electrically connected, the 4th switch contact, second combines guarantor's device coil, second fuse, power supply the 3rd pole sequentially electricity is serially connected, second combines electricity after guarantor's device normally opened contact is connected in series with contactor coil electricity for subsequent use is connected in parallel on the second comprehensive two ends protecting device coil, duplicate relay Five-terminals and high water level electrode head are electrically connected, duplicate relay the 6th terminal and middle water level electrode tip are electrically connected, duplicate relay the 7th terminal and low water level electrode head are electrically connected, duplicate relay the 8th terminal, second fuse, power supply the 3rd pole sequentially electricity is serially connected, stand-by pump motor manual circuit comprises power supply first pole, first fuse, normally closed stop botton, 4th switch contact, 6th switch contact, second combines guarantor's device coil, second combines guarantor's device normally opened contact, contactor coil for subsequent use, second fuse and power supply the 3rd pole, power supply first pole, first fuse, normally closed stop botton, 6th switch contact sequentially electricity is serially connected, 4th switch contact, second combines guarantor's device coil, second fuse and power supply the 3rd pole sequentially electricity are serially connected, second combines electricity after guarantor's device normally opened contact is connected in series with contactor coil electricity for subsequent use is connected in parallel on the second comprehensive two ends protecting device coil.
Above-mentioned control box can be provided with stand-by pump relay indicating light, and feedback control circuit also comprises stand-by pump indication lamp circuit; Stand-by pump contactor also comprises the lamp normally opened contact that shows for subsequent use that can close because of contactor coil energising for subsequent use; stand-by pump indication lamp circuit comprises power supply first pole, the first fuse, normally closed stop botton, for subsequent usely shows lamp normally opened contact, stand-by pump relay indicating light, the second fuse and power supply the 3rd pole, power supply first pole, the first fuse, normally closed stop botton, for subsequent use show lamp normally opened contact, stand-by pump relay indicating light, the second fuse, power supply the 3rd pole sequentially electricity be serially connected.
Reasonable and compact in structure of the present invention, easy to use, it is by the water level in level electrode head Real-Time Monitoring sump, by the start and stop of feed back control system automatic controlled submersible pump, achieve submersible pump automatically to run, reduce the spoilage of submersible pump and relay, and significantly reduce the workload of the labour intensity of tour personnel and maintenance, maintenance, save cost of electricity-generating.
Accompanying drawing explanation
Accompanying drawing 1 is the main TV structure schematic diagram of preferred embodiment.
Accompanying drawing 2 is the structure for amplifying schematic diagram of the water level monitoring pipe in accompanying drawing 1.
Accompanying drawing 3 is control circuit schematic diagram of the present invention.
Coding in accompanying drawing is respectively: 1 is submersible pump, 2 is water level monitoring pipe, 3 is inlet opening, 4 is upper shutoff, 5 is filter screen, 6 is tail water catch gutter, 7 is sump blow-off pipe, 8 is water pump cable, 9 is level electrode cable, 10 is diversion pressure steel tube, 11 is the hydraulic turbine, 12 is runner, 13 is generator sewer, 14 is control box, 15 is switch, 16 is blowdown liquid level relay, 17 is dredge pump contactor, 18 is the first comprehensive protector of motor, 19 is liquid level relay for subsequent use, 20 is stand-by pump contactor, 21 is the second comprehensive protector of motor, 22 is sump, H1 is the height of high water level electrode head apart from submersible pump water inlet, H2 is the height of middle water level electrode tip apart from submersible pump water inlet, H3 is the height of low water level electrode head apart from submersible pump water inlet, T1 is high water level electrode head, T2 is middle water level electrode tip, T3 is low water level electrode head, PM1 is drain pump motors, L1 is power supply first pole, L2 is power supply second pole, L3 is power supply the 3rd pole, Q is three pole master switchs, FU1 is the first fuse, FU2 is the second fuse, SB1 is normally closed stop botton, K1 is the first switch contact, K2 is second switch contact, K3 is the 3rd switch contact, K4 is the 4th switch contact, K5 is the 5th switch contact, K6 is the 6th switch contact, KM10 is blowdown contactor coil, KM11 is that three contacts, pole often opened by blowdown motor, KM12 is that lamp normally opened contact is shown in blowdown, KM20 is first comprehensive guarantor's device coil, KM21 is first comprehensive guarantor's device normally opened contact, PM2 is reserve pump motor, KM30 is contactor coil for subsequent use, KM31 is that three contacts, pole often opened by motor for subsequent use, KM32 for subsequent usely shows lamp normally opened contact, KM40 is second comprehensive guarantor's device coil, KM41 is second comprehensive guarantor's device normally opened contact, M1 is blowdown relay the first terminal, M2 is blowdown relay second terminal, M3 is blowdown relay the 3rd terminal, M4 is blowdown relay the 4th terminal, M5 is blowdown relay Five-terminals, M6 is blowdown relay the 6th terminal, M7 is blowdown relay the 7th terminal, M8 is blowdown relay the 8th terminal, LD1 is total power light, LD2 is dredge pump relay indicating light, LD3 is stand-by pump relay indicating light, N1 is duplicate relay the first terminal, N2 is duplicate relay second terminal, N3 is duplicate relay the 3rd terminal, N4 is duplicate relay the 4th terminal, N5 is duplicate relay Five-terminals, N6 is duplicate relay the 6th terminal, N7 is duplicate relay the 7th terminal, N8 is duplicate relay the 8th terminal.
Embodiment
The present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
In the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing, the invention will be further described:
As shown in accompanying drawing 1,2, the water level monitoring pipe 2 that this sump water-level control apparatus comprises submersible pump 1, feed back control system and can be fixedly mounted in sump 22, outside around water level monitoring pipe 2 is evenly equipped with inlet opening 3, the inner of inlet opening 3 communicates with water level monitoring pipe 2 inner chamber, in the top inner chamber of water level monitoring pipe 2, high water level electrode head T1 is fixed with respectively in the inner chamber of middle part with in lower lumen, middle water level electrode tip T2 and low water level electrode head T3, submersible pump 1 is positioned at the below of water level monitoring pipe 2 lower end, the water inlet of submersible pump 1 is positioned at submersible pump 1 lower end and can communicates with inner chamber bottom sump 22, the water delivering orifice of submersible pump 1 is connected with the sump blow-off pipe 7 that can communicate with tail water catch gutter 6, the motor of submersible pump 1 is electrically connected with feed back control system by water pump cable 8, high water level electrode head T1, middle water level electrode tip T2 and low water level electrode head T3 to be electrically connected with feed back control system respectively by level electrode cable 9 and can to control submersible pump 1 automatic operation according to water level height.Water in upper pond guides the hydraulic turbine 11 by diversion pressure steel tube 10 into through butterfly valve, the runner 12 promoting the hydraulic turbine 11 rotates, drive electrical generators generates electricity, sewage in turbine chamber enters in sump 22 by generator sewer 13, and the sewage in sump 22 is extracted out and entered tail water catch gutter 6 by sump blow-off pipe 7 by submersible pump 1.The present invention is by high water level electrode head T1, middle water level electrode tip T2 and low water level electrode head T3 can water level in Real-Time Monitoring sump 22, by the start and stop of feed back control system automatic controlled submersible pump 1, the automatic operation of submersible pump 1 can be realized, owing to reducing the number of starts of submersible pump 1, greatly reduce the spoilage of submersible pump 1 and relay, and greatly reduce the labour intensity of tour personnel, significantly reduce maintenance, the workload safeguarded, save cost of electricity-generating, extend the safe and stable operation time of hydro-electric power generating equipment, improve the utilization factor of generating set, add annual electricity generating capacity.
According to actual needs, above-mentioned sump water-level control apparatus can be made further optimization and/or improvements:
As shown in accompanying drawing 1,2, the upper end of water level monitoring pipe 2 is provided with the upper shutoff 4 of band through wires hole, and the middle part of level electrode cable 9 is arranged in through wires hole; Or/and the lower end of water level monitoring pipe 2 is fixed with filter screen 5.Upper shutoff 4 can the upper end mouth of pipe of shutoff water level monitoring pipe 2, prevents top sewage from falling interference level electrode head by the upper end of water level monitoring pipe 2; Use filter screen 5 to cover the lower end mouth of pipe of water level monitoring pipe 2, sand can be prevented, mud enters and block water level monitoring pipe 2; During actual use, water level monitoring pipe 2 is preferably pvc pipe, water pump cable 8 preferably colligation is fixed on water level monitoring pipe 2 outside, it is woollen that upper shutoff 4 is preferably fire prevention, high water level electrode head is preferably made to be 7.5 meters apart from the height H 1 of submersible pump water inlet, middle water level electrode tip is 4.5 meters apart from the height H 2 of submersible pump water inlet, and low water level electrode head is 1.5 meters apart from the height H 3 of submersible pump water inlet.
As shown in accompanying drawing 1,2,3, submersible pump 1 is blowdown submerged pump, the water delivering orifice of blowdown submerged pump communicates with the water inlet of sump blow-off pipe 7, blowdown submerged pump is provided with drain pump motors PM1, and drain pump motors PM1 is electrically connected with feed back control system by feedback control circuit; Feed back control system comprises control box 14, three pole master switch Q, the first fuse FU1, the second fuse FU2, normally closed stop botton SB1, switch 15, blowdown liquid level relay 16, dredge pump contactor 17 and the first comprehensive protector of motor 18, switch 15, normally closed stop botton SB1 are arranged on control box 14, and three pole master switch Q, the first fuse FU1, the second fuse FU2, blowdown liquid level relay 16, dredge pump contactor 17 and the first comprehensive protector of motor 18 are arranged in control box 14; Switch 15 comprises can at the handle of dredge pump automatic transmission or the manual switching of dredge pump, the first switch contact K1, second switch contact K2 and the 3rd switch contact K3, under dredge pump automatic transmission state, the first switch contact K1 and second switch contact K2 is electrically connected, and under the manual state of dredge pump, the first switch contact K1 and the 3rd switch contact K3 is electrically connected; Blowdown liquid level relay 16 comprises blowdown relay the first terminal M1, blowdown relay second terminal M2, blowdown relay the 3rd terminal M3, blowdown relay the 4th terminal M4, blowdown relay Five-terminals M5, blowdown relay the 6th terminal M6, blowdown relay the 7th terminal M7, blowdown relay the 8th terminal M8; Dredge pump contactor 17 comprises blowdown contactor coil KM10 and often opens three contact, pole KM11 with the blowdown motor that can close because blowdown contactor coil KM10 energising, and the first comprehensive protector of motor 18 comprises first and combines guarantor's device coil KM20 and first comprehensive guarantor's device normally opened contact KM21 that can close because of first comprehensive guarantor's device coil KM20 energising.Can realize master control to power supply by three pole master switch Q, three pole master switch Q are preferably electric leakage air switch, when contactor contact is aging cause open-phase fault time, electric leakage air switch can the motor of tripping protection submersible pump 1; Can in case of emergency be shut down rapidly by normally closed stop botton SB1, safe ready more; Can protection circuit by the first fuse FU1 and the second fuse FU2, prevent from making the motor of submersible pump 1 burn out because of fault, when there is short trouble in control circuit, such as the first comprehensive protector of motor 18 burns out, blowdown liquid level relay 16 burns out, the coil of dredge pump contactor 17 burns out etc., first fuse FU1 and the second fuse FU2 can fuse immediately and circuit is disconnected, thus protecting control circuit; When contactor contact is aging cause open-phase fault time; first comprehensive protector of motor 18 can disconnect feedback control circuit, protection drain pump motors PM1; it is made to burn out drain pump motors PM1 power-off; when drain pump motors PM1 be in operation there is short trouble time, the first comprehensive protector of motor 18 can disconnecting circuit thus protection drain pump motors PM1 rapidly.
As shown in accompanying drawing 1,2,3, feedback control circuit comprises dredge pump motor governor circuit, dredge pump motor automatic control circuit and dredge pump motor manual circuit, dredge pump motor governor circuit comprises power supply first pole L1, power supply second pole L2, power supply the 3rd pole L3, three pole master switch Q, three contact, pole KM11 and drain pump motors PM1 often opened by blowdown motor, power supply first pole L1 is successively by three pole master switch Q, the first connection terminal that three contact, pole KM11 and drain pump motors PM1 often opened by blowdown motor is electrically connected, power supply second pole L2 is successively by three pole master switch Q, the second connection terminal that three contact, pole KM11 and drain pump motors PM1 often opened by blowdown motor is electrically connected, power supply the 3rd pole L3 is successively by three pole master switch Q, the 3rd connection terminal that three contact, pole KM11 and drain pump motors PM1 often opened by blowdown motor is electrically connected, dredge pump motor automatic control circuit comprises power supply first pole L1, first fuse FU1, normally closed stop botton SB1, blowdown relay the first terminal M1, blowdown relay the 3rd terminal M3, blowdown relay the 4th terminal M4, blowdown relay Five-terminals M5, blowdown relay the 6th terminal M6, blowdown relay the 7th terminal M7, blowdown relay the 8th terminal M8, first switch contact K1, second switch contact K2, high water level electrode head T1, middle water level electrode tip T2, low water level electrode head T3, blowdown contactor coil KM10, first combines guarantor's device normally opened contact KM21, first combines guarantor's device coil KM20, second fuse FU2 and power supply the 3rd pole L3, power supply first pole L1, first fuse FU1, normally closed stop botton SB1, blowdown relay the first terminal M1 sequentially electricity is serially connected, and blowdown relay the 3rd terminal M3 and blowdown relay the first terminal M1 is electrically connected, and blowdown relay the 4th terminal M4 and second switch contact K2 is electrically connected, the first switch contact K1, first combines guarantor's device coil KM20, second fuse FU2, power supply the 3rd pole L3 sequentially electricity is serially connected, first combines electricity after guarantor's device normally opened contact KM21 is connected in series with blowdown contactor coil KM10 electricity is connected in parallel on the first comprehensive two ends protecting device coil KM20, blowdown relay Five-terminals M5 and high water level electrode head T1 is electrically connected, blowdown relay the 6th terminal M6 and middle water level electrode tip T2 is electrically connected, blowdown relay the 7th terminal M7 and low water level electrode head T3 is electrically connected, blowdown relay the 8th terminal M8, second fuse FU2, power supply the 3rd pole L3 sequentially electricity is serially connected, dredge pump motor manual circuit comprises power supply first pole L1, first fuse FU1, normally closed stop botton SB1, first switch contact K1, 3rd switch contact K3, first combines guarantor's device coil KM20, first combines guarantor's device normally opened contact KM21, blowdown contactor coil KM10, second fuse FU2 and power supply the 3rd pole L3, power supply first pole L1, first fuse FU1, normally closed stop botton SB1, 3rd switch contact K3 sequentially electricity is serially connected, first switch contact K1, first combines guarantor's device coil KM20, second fuse FU2 and power supply the 3rd pole L3 sequentially electricity is serially connected, first combines electricity after guarantor's device normally opened contact KM21 is connected in series with blowdown contactor coil KM10 electricity is connected in parallel on the first comprehensive two ends protecting device coil KM20.Can by the water level in level electrode head detected set well 22 by dredge pump motor automatic control circuit, realize the automatic operation of drain pump motors PM1, when the water level in sump 22 rises to high water level electrode head T1 position, water in circuit because sump 22 between high water level electrode head T1 and middle water level electrode tip T2 and conducting, dredge pump motor governor circuit is connected, drain pump motors PM1 starts automatically, sewage in sump 22 is drained into tail water catch gutter 6 by sump blow-off pipe 7, middle water level electrode tip T2 and low water level electrode head T3 plays self-holding function, when the water level decreasing in sump 22 is to middle water level electrode tip T2 position, circuit because between middle water level electrode tip T2 and low water level electrode head T3 is anhydrous loses self-holding function and while disconnecting, drain pump motors PM1 stops automatically, the manual operation of drain pump motors PM1 can be realized by dredge pump motor manual circuit, use reliably convenient.
As shown in accompanying drawing 1,2,3, control box 14 is provided with total power light LD1 and dredge pump relay indicating light LD2, feedback control circuit also comprises power indicating circuit and dredge pump indication lamp circuit; Power indicating circuit comprise power supply first pole L1, the first fuse FU1, normally closed stop botton SB1, total power light LD1, the second fuse FU2 and power supply the 3rd pole L3, power supply first pole L1, the first fuse FU1, normally closed stop botton SB1, total power light LD1, the second fuse FU2, power supply the 3rd pole L3 sequentially electricity be serially connected; Dredge pump contactor 17 also comprises the blowdown that can close because blowdown contactor coil KM10 is energized and shows lamp normally opened contact KM12; dredge pump indication lamp circuit comprises power supply first pole L1, the first fuse FU1, normally closed stop botton SB1, blowdown show lamp normally opened contact KM12, dredge pump relay indicating light LD2, the second fuse FU2 and power supply the 3rd pole L3, power supply first pole L1, the first fuse FU1, normally closed stop botton SB1, blowdown show lamp normally opened contact KM12, dredge pump relay indicating light LD2, the second fuse FU2, power supply the 3rd pole L3 sequentially electricity be serially connected.Total power light LD1 electrified light emitting can be made when power supply is energized by power indicating circuit, prompting perambulator person external power supply is normal, three pole master switch Q are in opening; Can when drain pump motors PM1 work by dredge pump indication lamp circuit, dredge pump relay indicating light LD2 electrified light emitting, PM1 is in running order, more safe and reliable for prompting tour personnel drain pump motors.According to actual needs, total power light LD1 can be made to be green light, make dredge pump relay indicating light LD2 be red light.
As shown in accompanying drawing 1,2,3, submersible pump 1 also comprises submersible pump for subsequent use, the water delivering orifice of submersible pump for subsequent use communicates with the water inlet of sump blow-off pipe 7, submersible pump for subsequent use is provided with reserve pump motor PM2, and reserve pump motor PM2 is electrically connected with feed back control system by feedback control circuit; Feed back control system also comprises liquid level relay 19 for subsequent use, stand-by pump contactor 20 and the second comprehensive protector of motor 21, and liquid level relay 19 for subsequent use, stand-by pump contactor 20 and the second comprehensive protector of motor 21 are arranged in control box 14; The handle of switch 15 can also in stand-by pump automatic transmission or the manual switching of stand-by pump, switch 15 also comprises the 4th switch contact K4, the 5th switch contact K5 and the 6th switch contact K6, under stand-by pump automatic transmission state, the 4th switch contact K4 and the 5th switch contact K5 is electrically connected, and under the manual state of stand-by pump, the 4th switch contact K4 and the 6th switch contact K6 is electrically connected; Liquid level relay 19 for subsequent use comprises duplicate relay the first terminal N1, duplicate relay second terminal N2, duplicate relay the 3rd terminal N3, duplicate relay the 4th terminal N4, duplicate relay Five-terminals N5, duplicate relay the 6th terminal N6, duplicate relay the 7th terminal N7, duplicate relay the 8th terminal N8; Stand-by pump contactor 20 comprises contactor coil KM30 for subsequent use and often opens three contact, pole KM31 with the motor for subsequent use that can close because contactor coil KM30 energising for subsequent use, and the second comprehensive protector of motor 21 comprises second and combines guarantor's device coil KM40 and second comprehensive guarantor's device normally opened contact KM41 that can close because of second comprehensive guarantor's device coil KM40 energising.By arranging submersible pump for subsequent use, the maintenance of blowdown submerged pump can be convenient to, not affect the draining of sump 22 when relevant device overhauls, ensure that the normal power generation work of the hydraulic turbine 11.When contactor contact is aging cause open-phase fault time; second comprehensive protector of motor 21 can disconnect feedback control circuit, protection reserve pump motor PM2; it is made to burn out reserve pump motor PM2 power-off; when reserve pump motor PM2 be in operation there is short trouble time, the second comprehensive protector of motor 21 can disconnecting circuit thus protection reserve pump motor PM2 rapidly.
As shown in accompanying drawing 1,2,3, feedback control circuit comprises stand-by pump motor governor circuit, stand-by pump motor automatic control circuit and stand-by pump motor manual circuit, stand-by pump motor governor circuit comprises power supply first pole L1, power supply second pole L2, power supply the 3rd pole L3, three pole master switch Q, three contact, pole KM31 and reserve pump motor PM2 often opened by motor for subsequent use, power supply first pole L1 is successively by three pole master switch Q, the first connection terminal that motor for subsequent use often opens three contact, pole KM31 and reserve pump motor PM2 is electrically connected, power supply second pole L2 is successively by three pole master switch Q, the second connection terminal that motor for subsequent use often opens three contact, pole KM31 and reserve pump motor PM2 is electrically connected, power supply the 3rd pole L3 is successively by three pole master switch Q, the 3rd connection terminal that three contact, pole KM31 and reserve pump motor PM2 often opened by motor for subsequent use is electrically connected, stand-by pump motor automatic control circuit comprises power supply first pole L1, first fuse FU1, normally closed stop botton SB1, duplicate relay the first terminal N1, duplicate relay the 3rd terminal N3, duplicate relay the 4th terminal N4, duplicate relay Five-terminals N5, duplicate relay the 6th terminal N6, duplicate relay the 7th terminal N7, duplicate relay the 8th terminal N8, 4th switch contact K4, 5th switch contact K5, high water level electrode head T1, middle water level electrode tip T2, low water level electrode head T3, contactor coil KM30 for subsequent use, second combines guarantor's device normally opened contact KM41, second combines guarantor's device coil KM40, second fuse FU2 and power supply the 3rd pole L3, power supply first pole L1, first fuse FU1, normally closed stop botton SB1, duplicate relay the first terminal N1 sequentially electricity is serially connected, and duplicate relay the 3rd terminal N3 and duplicate relay the first terminal N1 is electrically connected, and duplicate relay the 4th terminal N4 and the 5th switch contact K5 is electrically connected, the 4th switch contact K4, second combines guarantor's device coil KM40, second fuse FU2, power supply the 3rd pole L3 sequentially electricity is serially connected, second combines electricity after guarantor's device normally opened contact KM41 is connected in series with contactor coil KM30 electricity for subsequent use is connected in parallel on the second comprehensive two ends protecting device coil KM40, duplicate relay Five-terminals N5 and high water level electrode head T1 is electrically connected, duplicate relay the 6th terminal N6 and middle water level electrode tip T2 is electrically connected, duplicate relay the 7th terminal N7 and low water level electrode head T3 is electrically connected, duplicate relay the 8th terminal N8, second fuse FU2, power supply the 3rd pole L3 sequentially electricity is serially connected, stand-by pump motor manual circuit comprises power supply first pole L1, first fuse FU1, normally closed stop botton SB1, 4th switch contact K4, 6th switch contact K6, second combines guarantor's device coil KM40, second combines guarantor's device normally opened contact KM41, contactor coil KM30 for subsequent use, second fuse FU2 and power supply the 3rd pole L3, power supply first pole L1, first fuse FU1, normally closed stop botton SB1, 6th switch contact K6 sequentially electricity is serially connected, 4th switch contact K4, second combines guarantor's device coil KM40, second fuse FU2 and power supply the 3rd pole L3 sequentially electricity is serially connected, second combines electricity after guarantor's device normally opened contact KM41 is connected in series with contactor coil KM30 electricity for subsequent use is connected in parallel on the second comprehensive two ends protecting device coil KM40.Can by the water level in level electrode head detected set well 22 by stand-by pump motor automatic control circuit, realize the automatic operation of reserve pump motor PM2, when the water level in sump 22 rises to high water level electrode head T1 position, water in circuit because sump 22 between high water level electrode head T1 and middle water level electrode tip T2 and conducting, stand-by pump motor governor circuit is connected, reserve pump motor PM2 starts automatically, sewage in sump 22 is drained into tail water catch gutter 6 by sump blow-off pipe 7, middle water level electrode tip T2 and low water level electrode head T3 plays self-holding function, when the water level decreasing in sump 22 is to middle water level electrode tip T2 position, circuit because between middle water level electrode tip T2 and low water level electrode head T3 is anhydrous loses self-holding function and while disconnecting, reserve pump motor PM2 stops automatically, the manual operation of reserve pump motor PM2 can be realized by stand-by pump motor manual circuit, use reliably convenient.
As shown in accompanying drawing 1,2,3, control box 14 is provided with stand-by pump relay indicating light LD3, feedback control circuit also comprises stand-by pump indication lamp circuit; Stand-by pump contactor 20 also comprises the lamp normally opened contact KM32 that shows for subsequent use that can close because contactor coil KM30 for subsequent use is energized; stand-by pump indication lamp circuit comprise power supply first pole L1, the first fuse FU1, normally closed stop botton SB1, for subsequent use show lamp normally opened contact KM32, stand-by pump relay indicating light LD3, the second fuse FU2 and power supply the 3rd pole L3, power supply first pole L1, the first fuse FU1, normally closed stop botton SB1, for subsequent use show lamp normally opened contact KM32, stand-by pump relay indicating light LD3, the second fuse FU2, power supply the 3rd pole L3 sequentially electricity be serially connected.Can when reserve pump motor PM2 work by stand-by pump indication lamp circuit, stand-by pump relay indicating light LD3 electrified light emitting, PM2 is in running order, more safe and reliable for prompting tour personnel reserve pump motor.According to actual needs, stand-by pump relay indicating light LD3 can be made to be amber light, so that distinguish.
Above technical characteristic constitutes most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (8)
1. a sump water-level control apparatus, is characterized in that the water level monitoring pipe comprising submersible pump, feed back control system and can be fixedly mounted in sump, outside around water level monitoring pipe is evenly equipped with inlet opening, the inner of inlet opening communicates with water level monitoring tube cavity, in the top inner chamber of water level monitoring pipe, high water level electrode head is fixed with respectively in the inner chamber of middle part with in lower lumen, middle water level electrode tip and low water level electrode head, submersible pump is positioned at the below of water level monitoring pipe lower end, the water inlet of submersible pump is positioned at submersible pump lower end and can communicates with inner chamber bottom sump, the water delivering orifice of submersible pump is connected with the sump blow-off pipe that can communicate with tail water catch gutter, the motor of submersible pump is electrically connected with feed back control system by water pump cable, high water level electrode head, middle water level electrode tip and low water level electrode head to be electrically connected with feed back control system respectively by level electrode cable and can to control submersible pump automatic operation according to water level height.
2. sump water-level control apparatus according to claim 1, it is characterized in that the upper end of water level monitoring pipe is provided with the upper shutoff of band through wires hole, the middle part of level electrode cable is arranged in through wires hole; Or/and the lower end of water level monitoring pipe is fixed with filter screen.
3. sump water-level control apparatus according to claim 1 and 2, it is characterized in that submersible pump is blowdown submerged pump, the water delivering orifice of blowdown submerged pump communicates with the water inlet of sump blow-off pipe, blowdown submerged pump is provided with drain pump motors, and drain pump motors is electrically connected with feed back control system by feedback control circuit; Feed back control system comprises control box, three pole master switchs, the first fuse, the second fuse, normally closed stop botton, switch, blowdown liquid level relay, dredge pump contactor and the first comprehensive protector of motor, switch, normally closed stop botton are arranged on control box, and three pole master switchs, the first fuse, the second fuse, blowdown liquid level relay, dredge pump contactor and the first comprehensive protector of motor are arranged in control box; Switch comprises can at the handle of dredge pump automatic transmission or the manual switching of dredge pump, the first switch contact, second switch contact and the 3rd switch contact, first switch contact and the electrical connection of second switch contact under dredge pump automatic transmission state, the first switch contact and the electrical connection of the 3rd switch contact under the manual state of dredge pump; Blowdown liquid level relay comprises blowdown relay the first terminal, blowdown relay second terminal, blowdown relay the 3rd terminal, blowdown relay the 4th terminal, blowdown relay Five-terminals, blowdown relay the 6th terminal, blowdown relay the 7th terminal, blowdown relay the 8th terminal; Dredge pump contactor comprises blowdown contactor coil and can three contacts, pole often opened by the blowdown motor that close because the energising of blowdown contactor coil, and the first comprehensive protector of motor comprises first and combines and protect device coil and can combine and protect device coil electricity and closed first combines guarantor's device normally opened contact because of first.
4. sump water-level control apparatus according to claim 3, is characterized in that feedback control circuit comprises dredge pump motor governor circuit, dredge pump motor automatic control circuit and dredge pump motor manual circuit, dredge pump motor governor circuit comprises power supply first pole, power supply second pole, power supply the 3rd pole, three pole master switchs, three contact, pole and drain pump motors often opened by blowdown motor, power supply first pole is successively by three pole master switchs, the first connection terminal that blowdown motor often opens three contacts, pole and drain pump motors is electrically connected, power supply second pole is successively by three pole master switchs, the second connection terminal that blowdown motor often opens three contacts, pole and drain pump motors is electrically connected, power supply the 3rd pole is successively by three pole master switchs, the 3rd connection terminal that blowdown motor often opens three contacts, pole and drain pump motors is electrically connected, dredge pump motor automatic control circuit comprises power supply first pole, first fuse, normally closed stop botton, blowdown relay the first terminal, blowdown relay the 3rd terminal, blowdown relay the 4th terminal, blowdown relay Five-terminals, blowdown relay the 6th terminal, blowdown relay the 7th terminal, blowdown relay the 8th terminal, first switch contact, second switch contact, high water level electrode head, middle water level electrode tip, low water level electrode head, blowdown contactor coil, first combines guarantor's device normally opened contact, first combines guarantor's device coil, second fuse and power supply the 3rd pole, power supply first pole, first fuse, normally closed stop botton, blowdown relay the first terminal sequentially electricity is serially connected, and blowdown relay the 3rd terminal and blowdown relay the first terminal are electrically connected, and blowdown relay the 4th terminal and second switch contact are electrically connected, the first switch contact, first combines guarantor's device coil, second fuse, power supply the 3rd pole sequentially electricity is serially connected, first combines electricity after guarantor's device normally opened contact is connected in series with blowdown contactor coil electricity is connected in parallel on the first comprehensive two ends protecting device coil, blowdown relay Five-terminals and high water level electrode head are electrically connected, blowdown relay the 6th terminal and middle water level electrode tip are electrically connected, blowdown relay the 7th terminal and low water level electrode head are electrically connected, blowdown relay the 8th terminal, second fuse, power supply the 3rd pole sequentially electricity is serially connected, dredge pump motor manual circuit comprises power supply first pole, first fuse, normally closed stop botton, first switch contact, 3rd switch contact, first combines guarantor's device coil, first combines guarantor's device normally opened contact, blowdown contactor coil, second fuse and power supply the 3rd pole, power supply first pole, first fuse, normally closed stop botton, 3rd switch contact sequentially electricity is serially connected, first switch contact, first combines guarantor's device coil, second fuse and power supply the 3rd pole sequentially electricity are serially connected, first combines electricity after guarantor's device normally opened contact is connected in series with blowdown contactor coil electricity is connected in parallel on the first comprehensive two ends protecting device coil.
5. sump water-level control apparatus according to claim 4, it is characterized in that control box being provided with total power light and dredge pump relay indicating light, feedback control circuit also comprises power indicating circuit and dredge pump indication lamp circuit; Power indicating circuit comprises power supply first pole, the first fuse, normally closed stop botton, total power light, the second fuse and power supply the 3rd pole, and power supply first pole, the first fuse, normally closed stop botton, total power light, the second fuse, power supply the 3rd pole sequentially electricity are serially connected; Dredge pump contactor also comprises the blowdown that can close because of the energising of blowdown contactor coil and shows lamp normally opened contact; dredge pump indication lamp circuit comprises power supply first pole, lamp normally opened contact, dredge pump relay indicating light, the second fuse and power supply the 3rd pole is shown in the first fuse, normally closed stop botton, blowdown, power supply first pole, the first fuse, normally closed stop botton, blowdown show lamp normally opened contact, dredge pump relay indicating light, the second fuse, power supply the 3rd pole sequentially electricity be serially connected.
6. the sump water-level control apparatus according to claim 3 or 4 or 5, it is characterized in that submersible pump also comprises submersible pump for subsequent use, the water delivering orifice of submersible pump for subsequent use communicates with the water inlet of sump blow-off pipe, submersible pump for subsequent use is provided with reserve pump motor, reserve pump motor is electrically connected with feed back control system by feedback control circuit; Feed back control system also comprises liquid level relay for subsequent use, stand-by pump contactor and the second comprehensive protector of motor, and liquid level relay for subsequent use, stand-by pump contactor and the second comprehensive protector of motor are arranged in control box; The handle of switch can also in stand-by pump automatic transmission or the manual switching of stand-by pump, switch also comprises the 4th switch contact, the 5th switch contact and the 6th switch contact, 4th switch contact and the electrical connection of the 5th switch contact under stand-by pump automatic transmission state, the 4th switch contact and the electrical connection of the 6th switch contact under the manual state of stand-by pump; Liquid level relay for subsequent use comprises duplicate relay the first terminal, duplicate relay second terminal, duplicate relay the 3rd terminal, duplicate relay the 4th terminal, duplicate relay Five-terminals, duplicate relay the 6th terminal, duplicate relay the 7th terminal, duplicate relay the 8th terminal; Stand-by pump contactor comprises contactor coil for subsequent use and three contacts, pole often opened by the motor for subsequent use that can close because contactor coil for subsequent use energising, and the second comprehensive protector of motor comprises second and combines and protect device coil and can combine and protect device coil electricity and closed second combines guarantor's device normally opened contact because of second.
7. sump water-level control apparatus according to claim 6, is characterized in that feedback control circuit comprises stand-by pump motor governor circuit, stand-by pump motor automatic control circuit and stand-by pump motor manual circuit, stand-by pump motor governor circuit comprises power supply first pole, power supply second pole, power supply the 3rd pole, three pole master switchs, motor for subsequent use often drives three contacts, pole and reserve pump motor, power supply first pole is successively by three pole master switchs, the first connection terminal that motor for subsequent use often drives three contacts, pole and reserve pump motor is electrically connected, power supply second pole is successively by three pole master switchs, the second connection terminal that motor for subsequent use often drives three contacts, pole and reserve pump motor is electrically connected, power supply the 3rd pole is successively by three pole master switchs, the 3rd connection terminal that motor for subsequent use often drives three contacts, pole and reserve pump motor is electrically connected, stand-by pump motor automatic control circuit comprises power supply first pole, first fuse, normally closed stop botton, duplicate relay the first terminal, duplicate relay the 3rd terminal, duplicate relay the 4th terminal, duplicate relay Five-terminals, duplicate relay the 6th terminal, duplicate relay the 7th terminal, duplicate relay the 8th terminal, 4th switch contact, 5th switch contact, high water level electrode head, middle water level electrode tip, low water level electrode head, contactor coil for subsequent use, second combines guarantor's device normally opened contact, second combines guarantor's device coil, second fuse and power supply the 3rd pole, power supply first pole, first fuse, normally closed stop botton, duplicate relay the first terminal sequentially electricity is serially connected, and duplicate relay the 3rd terminal and duplicate relay the first terminal are electrically connected, and duplicate relay the 4th terminal and the 5th switch contact are electrically connected, the 4th switch contact, second combines guarantor's device coil, second fuse, power supply the 3rd pole sequentially electricity is serially connected, second combines electricity after guarantor's device normally opened contact is connected in series with contactor coil electricity for subsequent use is connected in parallel on the second comprehensive two ends protecting device coil, duplicate relay Five-terminals and high water level electrode head are electrically connected, duplicate relay the 6th terminal and middle water level electrode tip are electrically connected, duplicate relay the 7th terminal and low water level electrode head are electrically connected, duplicate relay the 8th terminal, second fuse, power supply the 3rd pole sequentially electricity is serially connected, stand-by pump motor manual circuit comprises power supply first pole, first fuse, normally closed stop botton, 4th switch contact, 6th switch contact, second combines guarantor's device coil, second combines guarantor's device normally opened contact, contactor coil for subsequent use, second fuse and power supply the 3rd pole, power supply first pole, first fuse, normally closed stop botton, 6th switch contact sequentially electricity is serially connected, 4th switch contact, second combines guarantor's device coil, second fuse and power supply the 3rd pole sequentially electricity are serially connected, second combines electricity after guarantor's device normally opened contact is connected in series with contactor coil electricity for subsequent use is connected in parallel on the second comprehensive two ends protecting device coil.
8. sump water-level control apparatus according to claim 7, it is characterized in that control box being provided with stand-by pump relay indicating light, feedback control circuit also comprises stand-by pump indication lamp circuit; Stand-by pump contactor also comprises the lamp normally opened contact that shows for subsequent use that can close because of contactor coil energising for subsequent use; stand-by pump indication lamp circuit comprises power supply first pole, the first fuse, normally closed stop botton, for subsequent usely shows lamp normally opened contact, stand-by pump relay indicating light, the second fuse and power supply the 3rd pole, power supply first pole, the first fuse, normally closed stop botton, for subsequent use show lamp normally opened contact, stand-by pump relay indicating light, the second fuse, power supply the 3rd pole sequentially electricity be serially connected.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206093A1 (en) * | 2016-06-01 | 2017-12-07 | 朱子毅 | Protective apparatus for automatic control of submersible pump, and operating method thereof |
| CN110231838A (en) * | 2019-03-06 | 2019-09-13 | 中铁十八局集团有限公司 | A kind of precipitation well water level automatic control device and control method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2289265Y (en) * | 1996-12-27 | 1998-08-26 | 邹红 | Water level inductive controller |
| JP2001022450A (en) * | 1999-07-05 | 2001-01-26 | Shintoo:Kk | Driving controller for pump |
| CN2475006Y (en) * | 2001-04-15 | 2002-01-30 | 庄惠明 | Automatic controlling device for displaying water level and water temperature of water tank |
| CN2554672Y (en) * | 2002-07-12 | 2003-06-04 | 江才发 | Automatic water level controller |
| CN2736824Y (en) * | 2004-10-26 | 2005-10-26 | 郭宝安 | High reliability liquid level controller |
| CN2869956Y (en) * | 2005-10-08 | 2007-02-14 | 叶相灿 | Liquid-level relay |
| CN201662721U (en) * | 2010-03-12 | 2010-12-01 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Automatic water level controller |
| CN202838045U (en) * | 2012-10-09 | 2013-03-27 | 林英辉 | Country domestic water storage pond water level automatic controller |
| CN204475256U (en) * | 2015-02-26 | 2015-07-15 | 沈阳金利洁科技有限公司 | The automatic remover of low-extraction type shallow top layer ponding |
| CN205388711U (en) * | 2015-11-26 | 2016-07-20 | 国网新疆电力公司疆南供电公司 | Sump pit water level control device |
-
2015
- 2015-11-26 CN CN201510838277.6A patent/CN105511506B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2289265Y (en) * | 1996-12-27 | 1998-08-26 | 邹红 | Water level inductive controller |
| JP2001022450A (en) * | 1999-07-05 | 2001-01-26 | Shintoo:Kk | Driving controller for pump |
| CN2475006Y (en) * | 2001-04-15 | 2002-01-30 | 庄惠明 | Automatic controlling device for displaying water level and water temperature of water tank |
| CN2554672Y (en) * | 2002-07-12 | 2003-06-04 | 江才发 | Automatic water level controller |
| CN2736824Y (en) * | 2004-10-26 | 2005-10-26 | 郭宝安 | High reliability liquid level controller |
| CN2869956Y (en) * | 2005-10-08 | 2007-02-14 | 叶相灿 | Liquid-level relay |
| CN201662721U (en) * | 2010-03-12 | 2010-12-01 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Automatic water level controller |
| CN202838045U (en) * | 2012-10-09 | 2013-03-27 | 林英辉 | Country domestic water storage pond water level automatic controller |
| CN204475256U (en) * | 2015-02-26 | 2015-07-15 | 沈阳金利洁科技有限公司 | The automatic remover of low-extraction type shallow top layer ponding |
| CN205388711U (en) * | 2015-11-26 | 2016-07-20 | 国网新疆电力公司疆南供电公司 | Sump pit water level control device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206093A1 (en) * | 2016-06-01 | 2017-12-07 | 朱子毅 | Protective apparatus for automatic control of submersible pump, and operating method thereof |
| CN110231838A (en) * | 2019-03-06 | 2019-09-13 | 中铁十八局集团有限公司 | A kind of precipitation well water level automatic control device and control method |
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