CN206738137U

CN206738137U - A kind of controller of the automatic water injection of cistern

Info

Publication number: CN206738137U
Application number: CN201720510546.0U
Authority: CN
Inventors: 韩其利; 王连民; 宋维涛; 任晓香; 杨金生
Original assignee: Zhenghe Group Co Ltd
Current assignee: Zhenghe Group Co Ltd
Priority date: 2017-05-10
Filing date: 2017-05-10
Publication date: 2017-12-12
Anticipated expiration: 2027-05-10

Abstract

A kind of controller of the automatic water injection of cistern is the utility model is related to, its technical scheme, including electric motor operation circuit, electrically operated valve operating circuit, automatic controller circuit, fluid level controller；Electric motor operation circuit includes motor main circuit and electromotor control circuit；In motor main circuit, power supply is by switching QF1, relay KM1, electrothermal relay FR1 connection motors M1；In electromotor control circuit, power supply is by insuring FU1 connection manual automatic transfer switch SA1, switch SB1, SB2 connect relay KM1 opened points and couple to form loop with the normally-closed contact of relay KM1 coils and electrothermal relay FR1；The beneficial effects of the utility model are：Power consumption and maintenance cost are reduced, reducing reservoir level height operative employee needs the working procedure of cumbersome start and stop motor and controlled valve, reduces the labor intensity of operative employee.

Description

A kind of controller of the automatic water injection of cistern

Technical field

The utility model is related to wastewater disposition cistern according to reservoir level height realize automatically electrically operated valve open when Automatic closing is completed in automatic water filling, water filling, and it is standby electronic whether motor-driven valve starts after the completion of closing according to reservoir level height Pump carries out the controller of draining, is related to a kind of controller of the automatic water injection of cistern.

Background technology

In external discharge, it is qualified to handle for the sewage after most large chemical complex's processing or natural sanitary sewage now Sewage is firstly gathered in a cistern, then has draining pump to discharge the sewage in pond by force.Draining pump be more pumps simultaneously Row operating.The working condition of draining pump is under normal circumstances：（1）A normally opened draining pump, when reservoir level reaches certain height Stand-by pump is opened by operative employee when spending and carries out draining, reservoir level closes stand-by pump when reaching certain low level.So to waste A large amount of manpowers remove to operate the various valves and switch of pump, it is general the fact that can not use.（2）By more than two pumps Open operating simultaneously, the gateway valve opening reduction of every pump, reduce the output flow of draining pump to maintain in cistern Sewage level height and balance.This method of operation is generally used, this mode certainly will cause electric energy largely to waste, add The petty damage of big motor pump, directly increases maintenance cost.

The content of the invention

The purpose of this utility model is aiming at drawbacks described above existing for prior art, there is provided a kind of wastewater disposition cistern Automatic closing is completed in automatic water filling when realizing that electrically operated valve is opened automatically according to reservoir level height, water filling, and motor-driven valve is closed After the completion of according to reservoir level height whether start spare motor pump carry out draining controller.

A kind of controller of the automatic water injection of cistern, its technical scheme, including electric motor operation circuit, electrically operated valve work Make circuit, automatic controller circuit, fluid level controller；

Electric motor operation circuit includes motor main circuit and electromotor control circuit；In motor main circuit, power supply leads to Cross switch QF1, relay KM1, electrothermal relay FR1 connection motors M1；In electromotor control circuit, power supply is connected by insuring FU1 Connect manual automatic transfer switch SA1, switch SB1, SB2 connection relay KM1 opened points and relay KM1 coils and electrothermal relay FR1 normally-closed contact couples to form loop；

Electrically operated valve operating circuit includes electrically operated valve main circuit and electrically operated valve automatic switching control circuit；

Power supply is by switching QF2, relay KM2, parallel connected in reverse phase relay KM3, electrothermal relay in electrically operated valve main circuit FR2 connection motors M2；In electrically operated valve automatic switching control circuit, power supply by insuring FU4, the normally closed point FR2 of electrothermal relay, Switch SB3, relay KM2 coils, the normally closed points of relay KM3, relay normally open point KM2-1, change-over switch SA2, travel switch SQ1-1, torsion switch ST1, SB4 is switched, wherein 3#, 4# terminal distinguishes relay KM2-1 normally open contacts both ends in parallel, completes electricity Movable valve open control circuit；

In electrically operated valve automatic switching control circuit, power supply is switched by insuring FU4, the normally closed point FR2 of electrothermal relay SB3, relay KM3 coils, the normally closed points of relay KM2, relay normally open point KM3-1, change-over switch SA2, travel switch SQ2- 1, torsion switch ST2, SB5 is switched, wherein 1#, 2# terminal distinguishes relay KM3-1 normally open contacts both ends in parallel, completes electronic Valve closing control circuit；Motor-driven valve relay indicating light HL3 couples relay in electrically operated valve automatic switching control circuit KM2, HL2 couple relay KM3, and motor-driven valve relay indicating light HL3 and HL2 completes flash of light control, relay by flashing switch SF Device KM2 completes indicator lamp often bright control；

Fluid level controller model RHFA-01-D15-A4, fluid level controller pass through circuit breaker Q F3 by 220V plant-grid connections X11, X12 terminal of fluid level controller are accessed, X13, X14 terminal of fluid level controller are respectively connected to the inductor in cistern, Fluid level controller full level alarm lead-out terminal X1, X2 difference access 24V relays KA2,24V time relay KT2 in parallel line Circle, fluid level controller low alarm lead-out terminal X3, X4 are respectively connected to 24V relays KT4.

Preferably, in electromotor control circuit, motor controller accesses change-over switch by power supply by breaker FU2 SA1 1#, 4# end points, it is normally closed to relay electrical equipment KM5 coils by the automatic position 4# point cut-in relays KM4 of change-over switch SA1 To N points, the disjunction of relay KA4 normally closed interlocks during cistern low liquid level is completed, relay KA5 power-off does not work；Cistern is high Relay KA4 does not work normally closed interlock closure during liquid level, and relay KA5 obtains electric work and completes closing for relay KA5 normally open contacts Close, connect 11# 12# terminals, motor is preparing starting state.

Preferably, the switch SB4 of described electrically operated valve Auto Power On control circuit both ends concatenation 24V relays KA2- 1 opened point and 24V time relays KT2 delays disconnect be parallel to after normally closed point motor-driven valve open switch SB4 both ends 3# and 4# binding posts, open electrically operated valve during reservoir level full level alarm.

Preferably, the automatic position 7# points access electro connecting pressure gauge center line 19# terminals of described change-over switch SA1, electric contact Pressure gauge lower limit 20# terminals distinguish relay KA1 coils in parallel and time relay KT1 coils to N points, on electro connecting pressure gauge The 18# terminals of limit distinguish relay KA3 coils and time relay KT3 coils in parallel to N points.

Preferably, relay KA1 opened point and the normally closed point that time relay KT1 delays disconnect to motor-driven valve pass is concatenated 1# the and 2# binding posts at SB5 both ends are closed in make and break, make to close electrically operated valve during cistern reflux pipeline no pressure.

Preferably, relay KA3 opened point and the normally closed point that time relay KT3 delays disconnect to motor-driven valve pass is concatenated 1# the and 2# binding posts at SB5 both ends are closed in make and break, cistern reflux pipeline pressure is reached when setting pressure and close motor-driven valve Door.

Preferably, 24V relays KA2-2 opened point and the opened point of travel switch SQ2-1 action closures to 5# are concatenated With 6# terminals, 5# and 6# terminals make spare motor high-order in reservoir level from motor start-up switch SB2 both ends Start spare motor pump during alarm to open.

Preferably, the opened point for concatenating relay KA5 makes spare motor pump in reservoir level to 11# and 12# terminals Cut-off breaker FU1 prevents spare motor from starting to switch SB1 line during low alarm.

The beneficial effects of the utility model are：（1）Power consumption and maintenance cost are reduced, reservoir level height is reduced and grasps Workmanship needs the working procedure of cumbersome start and stop motor and controlled valve, reduces the labor intensity of operative employee；

（2）Reducing operating pump number of units reduces power consumption and maintenance cost；Realized according to reservoir level height is automatic Start-stop motor pump, the switch of electrically operated valve is realized automatically, reducing reservoir level height operative employee needs cumbersome start and stop electricity The working procedure of motivation and controlled valve, reduce the labor intensity of operative employee；

（3）The manual control of original motor pump and electrically operated valve is realized during the manual position of change-over switch；

（4）It is cheap easy to maintenance；

（5）Do not change original motor, motor-driven valve Starting mode and starting-up later time, do not influence original electric equipment dimension Repair.

Brief description of the drawings

Fig. 1 is circuit structure connection diagram of the present utility model；

Fig. 2 is theory structure schematic diagram of the present utility model；

Fig. 3 is the attachment structure schematic diagram of motor main circuit；

Fig. 4 is the attachment structure schematic diagram of electrically operated valve main circuit；

In upper figure：Cistern 1, back with water inlet line 2, reflux pipeline 3, export pipeline 4, valve 5, motor-driven valve 6, check-valves 7, electricity Motivation 8, bottom valve 9, fluid level controller 10, inductor 11, vent valve 12.

Embodiment

With reference to accompanying drawing 1-4, the utility model will be further described：

Further, in electromotor control circuit, motor controller accesses change-over switch by power supply by breaker FU2 SA1 1#, 4# end points, it is normally closed to relay electrical equipment KM5 coils by the automatic position 4# point cut-in relays KM4 of change-over switch SA1 To N points, the disjunction of relay KA4 normally closed interlocks during cistern low liquid level is completed, relay KA5 power-off does not work；Cistern is high Relay KA4 does not work normally closed interlock closure during liquid level, and relay KA5 obtains electric work and completes closing for relay KA5 normally open contacts Close, connect 11# 12# terminals, motor is preparing starting state.

Further, the switch SB4 of described electrically operated valve Auto Power On control circuit both ends concatenation 24V relays KA2- 1 opened point and 24V time relays KT2 delays disconnect be parallel to after normally closed point motor-driven valve open switch SB4 both ends 3# and 4# binding posts, open electrically operated valve during reservoir level full level alarm.

Further, the automatic position 7# points access electro connecting pressure gauge center line 19# terminals of described change-over switch SA1, electric contact Pressure gauge lower limit 20# terminals distinguish relay KA1 coils in parallel and time relay KT1 coils to N points, on electro connecting pressure gauge The 18# terminals of limit distinguish relay KA3 coils and time relay KT3 coils in parallel to N points.

Further, relay KA1 opened point and the normally closed point that time relay KT1 delays disconnect to motor-driven valve pass is concatenated 1# the and 2# binding posts at SB5 both ends are closed in make and break, make to close electrically operated valve during cistern reflux pipeline no pressure.

Further, relay KA3 opened point and the normally closed point that time relay KT3 delays disconnect to motor-driven valve pass is concatenated 1# the and 2# binding posts at SB5 both ends are closed in make and break, cistern reflux pipeline pressure is reached when setting pressure and close motor-driven valve Door.

Further, 24V relays KA2-2 opened point and the opened point of travel switch SQ2-1 action closures to 5# are concatenated With 6# terminals, 5# and 6# terminals make spare motor high-order in reservoir level from motor start-up switch SB2 both ends Start spare motor pump during alarm to open.

Further, the opened point for concatenating relay KA5 makes spare motor pump in reservoir level to 11# and 12# terminals Cut-off breaker FU1 prevents spare motor from starting to switch SB1 line during low alarm.

Operation principle：Cistern 1 is intake by back with water inlet line 2, and reflux pipeline 3 carries out water outlet regulation, and export pipeline 4 is by water Output, back with water inlet line 2, reflux pipeline 3 and export pipeline 4 are respectively equipped with valve 5, reflux pipeline 3 is provided with motor-driven valve 6, output Pipeline 4 is provided with check-valves 7 and motor 8, cistern 1 fix bottom valve 9 and inductor 11, the external linkage liquid level of inductor 11 Controller 10, back with water inlet line 2 are provided with vent valve 12, in electric motor operation circuit, power supply by switch QF1, relay KM1, Electrothermal relay FR1 connection motors M1；In electromotor control circuit, power supply is connected by insuring FU1 and manual automatic transfer switch SA1 Switch SB1, SB2, relay KM1 opened points are connect, relay KM1 coils connect to be formed back with electrothermal relay FR1 normally-closed contact Road, relay KM1 normally opened contact difference paralleling switch SB2 and 5#, 6# terminal from controller, complete motor start and stop Control；Power supply is by switching QF2, relay KM2, parallel connected in reverse phase relay KM3, electrothermal relay FR2 in electrically operated valve main circuit Connect motor M2；In electrically operated valve control circuit, power supply is by insuring FU4, the normally closed point FR2 of electrothermal relay, switch SB3, relay Device KM2 coils, the normally closed points of relay KM3, relay normally open point KM2-1, change-over switch SA2, travel switch SQ1-1, torsion are opened ST1 is closed, switch SB4 and 3# 4# terminals distinguish relay KM2-1 normally open contacts both ends in parallel, complete electrically operated valve and open control System；In electrically operated valve control circuit, power supply is by insuring FU4, the normally closed point FR2 of electrothermal relay, switch SB3, relay KM3 lines Circle, the normally closed points of relay KM2, relay normally open point KM3-1, change-over switch SA2, travel switch SQ2-1, torsion switch ST2, 1#, 2# terminal for switching SB5 and controller distinguish relay KM3-1 normally open contacts both ends in parallel, complete electrically operated valve and close control System；Motor-driven valve relay indicating light HL3, HL2 couple relay KM2, relay KM3 respectively, complete to glisten by flashing switch SF Control；Indicator lamp HL3, HL2 couple relay KM3 respectively, and relay KM2 completes indicator lamp often bright control；

Electrically operated valve switch is realized according to the height of liquid level in cistern 1 automatically and start and stop, motor controller pass through electricity Change-over switch SA1 1#, 4# point is accessed in source by breaker FU2, normal by the automatic position 4# point cut-in relays KM4 of change-over switch SA1 Relay electrical equipment KM5 coils are closed to N points；By the automatic position 7# points access electro connecting pressure gauge center line 19# of change-over switch SA1 Terminal, electro connecting pressure gauge lower limit 20# terminals distinguish relay KA1 coils and time relay KT1 coils in parallel to N points；Electricity Contact pressure table upper limit 18# terminals distinguish relay KA3 coils and time relay KT3 coils in parallel to N points；Liquid level Device power supply is accessed fluid level controller RHFA-01-D15-A4 X11 X12 terminals by 220V circuit breaker Qs F3；Fluid level controller RHFA-01-D15-A4 X13, X14 terminal is respectively connected to cistern inductor；Fluid level controller full level alarm lead-out terminal X1, X2 difference access 24V relays KA2,24V time relay KT2 in parallel coil；Fluid level controller low alarm lead-out terminal X3, X4 are respectively connected to 24V relays KA4；24V relay KA2-1 opened points are concatenated to disconnect with 24V time relays KT2 delays Normally closed point opens the 3# 4# binding posts at switch SB4 both ends to motor-driven valve；Concatenate relay KA1 opened points and the time relay KT1 delays disconnect normally closed point to 1#, 2# binding post at motor-driven valve closing switch SB5 both ends；Concatenate relay KA3 opened points with Time relay KT3 delays disconnect normally closed point to the 1# 2# binding posts at motor-driven valve closing switch SB5 both ends；Concatenate relay KA5 opened points are to 11#, 12# terminal, and 11# 12# terminal cut-off breaker FU1 are with switching SB1 circuits；Concatenate 24V relays KA2-2 opened points and travel switch SQ2-1 actions closure opened point to 5#, 6# terminal of controller, 5#, 6# terminal of controller From motor start-up switch SB2 both ends；During the manual positions of change-over switch SA1, change-over switch SA1 No. 5 points and No. 6 points connect Line terminals 9# 10#, it is also turned on circuit between motor start-up circuit breaker FU1 and switch SB1；Change-over switch SA1 hands Dynamic position while all power supplys of cutting-off controlling device.

Specific implementation step：

1）Controller ensures that electrically operated valve to open working condition, contacts during electrically operated valve contactor KM2 closures before connecting Electrically operated valve is closing working condition when device KM3 is closed；

2）The open and close degree of electrically operated valve is debugged, user can require to open electrically operated valve according to oneself, and pass degree is adjusted. Until travel switch QS1, QS2 or torsion switch ST1, ST2 action, contactor KM2, KM3, electrically operated valve motor are cut off It is stopped；

3）There is following working condition during the automatic positions of change-over switch SA1.（1）When reservoir level is between high-order and low level Fluid level controller full level alarm low alarm does not export, relay KA2, relay KA4, and time relay KT2 does not work；（2）Reflux pipeline does not have pressure, and electro connecting pressure gauge center line 19# terminals are connected with lower limit 20# terminals, relay KA1, the time after Electrical equipment KT works simultaneously, and relay KA1 normally closed interlocks closure connects 1# 2# terminals, and electrically operated valve is closed work and started, motor-driven valve Door is closed.Electrically operated valve is closed after the completion of work, driving trip switch SQ2-1 opened point 13# 14# terminal closures；（Due to 13# Full level alarm relay KA2-2 opened points are concatenated in 14# circuits, so spare motor can not start in cistern low level）（3）During reservoir level low level, fluid level controller X3, X4 output relay KA4 work, block system relay KA5 coil powers, Relay KA5 normally open contacts are made to disconnect 11#, 12# terminal cut-out spare motor startup power supply, spare motor can not start；（4）During a reservoir level high position, the output of fluid level controller X1, X2 full level alarm, relay KA2 time relays KT2 is simultaneously Work, connect electrically operated valve and open performance loop, electrically operated valve is opened；

4）Electrically operated valve is opened, and sewage of the output channel with pressure is to pump intake pipeline water filling, the dirt in inlet duct Water pressure rises to electro connecting pressure gauge upper limit set-point, 18#, 19# terminal closing relay KA3 in electro connecting pressure gauge Time relay KT3 works simultaneously, and 1#, 2# terminal electrically operated valve of closing operator are closed work and started；

5）Electrically operated valve closes driving trip switch SQ2-1 opened points 13#, 14# terminal closure when completing,（Due to relay Device KA2-2 is closing point in cistern full level alarm）5#, 6# terminal of controller are connected, starts spare motor operating.

6）Because spare motor operates without stopping, the sewage level in cistern is set constantly to drop to low alarm, water storage During the low level of pond, fluid level controller X3, X4 output relay KA4 work, block system relay KA5 coil powers, make relay KA5 Normally open contact disconnects 11#, 12# terminal cut-out spare motor startup power supply, and spare motor shuts down.

7）Because spare motor shuts down, sewage level rises to high level and alarmed in cistern, cistern liquid When position is high-order, fluid level controller X1, X2 full level alarm output, relay KA2 time relays KT2 work simultaneously, connect electricity Movable valve opens performance loop, and electrically operated valve is opened.Circulate successively.

8）During the manual positions of change-over switch SA1, all electrical equipment of cutting-off controlling device and electric contact pressure apparent source, controller own Electrical equipment loses point and not worked, and connects 9#, 10# terminal during the manual positions of change-over switch SA1, motor opens, stops stand-by state manually.It is electronic Valve open/close standby state.

It is described above, only it is preferred embodiment of the present utility model, any those skilled in the art may profit Equivalent technical scheme is changed the utility model or is revised as with the technical scheme of above-mentioned elaboration.Therefore, foundation Any simple modification or substitute equivalents that the technical solution of the utility model is carried out, belong to the greatest extent the requires of the utility model protection Scope.

Claims

1. a kind of controller of the automatic water injection of cistern, it is characterized in that：Including electric motor operation circuit, electrically operated valve work electricity Road, automatic controller circuit, fluid level controller；

Electric motor operation circuit includes motor main circuit and electromotor control circuit；In motor main circuit, power supply is by opening Close QF1, relay KM1, electrothermal relay FR1 connection motors M1；In electromotor control circuit, power supply is by insuring FU1 connection hands Dynamic automatic change-over SA1, switch SB1, SB2 connection relay KM1 opened points and relay KM1 coils and electrothermal relay FR1 Normally-closed contact couple to form loop；

Power supply is by switching QF2, relay KM2, parallel connected in reverse phase relay KM3, electrothermal relay FR2 companies in electrically operated valve main circuit Meet motor M2；In electrically operated valve automatic switching control circuit, power supply is switched by insuring FU4, the normally closed point FR2 of electrothermal relay SB3, relay KM2 coils, the normally closed points of relay KM3, relay normally open point KM2-1, change-over switch SA2, travel switch SQ1- 1, torsion switch ST1, SB4 is switched, wherein 3#, 4# terminal distinguishes relay KM2-1 normally open contacts both ends in parallel, completes motor-driven valve Door open control circuit；

In electrically operated valve automatic switching control circuit, power supply by insuring FU4, the normally closed point FR2 of electrothermal relay, switch SB3, after Electrical equipment KM3 coils, the normally closed points of relay KM2, relay normally open point KM3-1, change-over switch SA2, travel switch SQ2-1, torsion ST2 is switched, switchs SB5, wherein 1#, 2# terminal distinguishes relay KM3-1 normally open contacts both ends in parallel, completes electrically operated valve and closes Control circuit；Motor-driven valve relay indicating light HL3 couples relay KM2, HL2 connection in electrically operated valve automatic switching control circuit Relay KM3, motor-driven valve relay indicating light HL3 and HL2 complete flash of light control by flashing switch SF, and relay KM2 completes to refer to Show lamp often bright control；

Fluid level controller model RHFA-01-D15-A4, fluid level controller are accessed by 220V plant-grid connections by circuit breaker Q F3 X11, X12 terminal of fluid level controller, X13, X14 terminal of fluid level controller are respectively connected to the inductor in cistern, liquid level Controller full level alarm lead-out terminal X1, X2 difference access 24V relays KA2,24V time relay KT2 in parallel coil, liquid Level controller low alarm lead-out terminal X3, X4 are respectively connected to 24V relays KT4.

2. a kind of controller of the automatic water injection of cistern according to claim 1, it is characterized in that：Electromotor control circuit In, motor controller is accessed change-over switch SA1 1#, 4# end points by power supply by breaker FU2, by change-over switch SA1 certainly Dynamic position 4# point cut-in relays KM4 is normally closed to relay electrical equipment KM5 coils to N points, completes relay during cistern low liquid level The disjunction of KA4 normally closed interlocks, relay KA5 power-off do not work；The relay KA4 normally closed interlocks that do not work close during cistern high level Close, relay KA5 obtains the closure that relay KA5 normally open contacts are completed in electric work, connects 11# 12# terminals, and motor is preparing Starting state.

3. a kind of controller of the automatic water injection of cistern according to claim 1, it is characterized in that：Described electrically operated valve The switch SB4 of Auto Power On control circuit both ends concatenation 24V relays KA2-1 opened point is prolonged with 24V time relays KT2 When disconnect 3# the and 4# binding posts that motor-driven valve opens switch SB4 both ends be parallel to after normally closed point, make the high-order report of reservoir level Electrically operated valve is opened when alert.

4. a kind of controller of the automatic water injection of cistern according to claim 1, it is characterized in that：Described change-over switch The automatic position 7# points access electro connecting pressure gauge center line 19# terminals of SA1, electro connecting pressure gauge lower limit 20# terminals distinguish relay in parallel Device KA1 coils and time relay KT1 coils distinguish relay KA3 in parallel to N points, the 18# terminals of the electro connecting pressure gauge upper limit Coil and time relay KT3 coils are to N points.

5. a kind of controller of the automatic water injection of cistern according to claim 1, it is characterized in that：Concatenate relay KA1 The normally closed point that disconnects of opened point and the time relay KT1 delay to motor-driven valve closing switch SB5 both ends 1# and 2# terminals Son, make to close electrically operated valve during cistern reflux pipeline no pressure.

6. a kind of controller of the automatic water injection of cistern according to claim 1, it is characterized in that：Concatenate relay KA3 The normally closed point that disconnects of opened point and the time relay KT3 delay to motor-driven valve closing switch SB5 both ends 1# and 2# terminals Son, cistern reflux pipeline pressure is reached when pressure is set and close electrically operated valve.

7. a kind of controller of the automatic water injection of cistern according to claim 1, it is characterized in that：Concatenate 24V relays The opened point of KA2-2 opened point and travel switch SQ2-1 action closures comes from electronic to 5# and 6# terminals, 5# and 6# terminals Machine starting switch SB2 both ends, spare motor is set to start the unlatching of spare motor pump in reservoir level full level alarm.

8. a kind of controller of the automatic water injection of cistern according to claim 1, it is characterized in that：Concatenate relay KA5 Opened point to 11# and 12# terminals make spare motor pump in reservoir level low alarm cut-off breaker FU1 to opening SB1 line is closed, prevents spare motor from starting.