CN208793261U - A kind of centrifugation the automatic control of pump drainage system - Google Patents
A kind of centrifugation the automatic control of pump drainage system Download PDFInfo
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- CN208793261U CN208793261U CN201820932627.4U CN201820932627U CN208793261U CN 208793261 U CN208793261 U CN 208793261U CN 201820932627 U CN201820932627 U CN 201820932627U CN 208793261 U CN208793261 U CN 208793261U
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- 238000005119 centrifugation Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 202
- 230000000740 bleeding effect Effects 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model proposes a kind of centrifugation the automatic control of pump drainage systems, including common centrifugal pump, spare centrifugal pump, control circuit and the high water level sensor connected to the control circuit, low water level sensor, first, second water shortage over-temperature sensor, first, second fills pump exhaust low sensors, the first, second filling pump exhaust high position sensor；High water level sensor and low water level sensor are arranged in sump；First and second water shortage over-temperature sensors are separately positioned at the pump housing gas vent of common centrifugal pump and spare centrifugal pump；Pressure release air bleeding valve is provided on the water inlet pipe of common centrifugal pump and spare centrifugal pump, the exhaust bottom of the tube of pressure release air bleeding valve is provided with discharge opening, setting first fills pump exhaust low sensors above the discharge opening of common centrifugal pump and first fills pump exhaust high position sensor, and second, which fills pump exhaust low sensors and first, fills pump exhaust high position sensor.The automatic start-stop of centrifugal pump may be implemented in the utility model, can be widely applied to draining field.
Description
Technical field
The utility model relates to technical field of drainage, and in particular to a kind of centrifugation the automatic control of pump drainage system.
Background technique
A kind of rotating machinery of the centrifugal pump as conveying water, it is each to be widely used in each row such as electric power, metallurgy, coal, building materials
Industry is almost indispensable equipment in water treatment system.In coal industry field production, centrifugal pump plays an important role,
It not only gives work units' conveying water such as the fully mechanized mining team of underground coal mine, machine pick team, area in preparation, dust-free area, plenum area, is also responsible for
The Natural Water in underground work place is discharged to the task on ground, and when leakage accident occurs for underground, moreover it is possible in time by waste water
It is discharged outside well.Centrifugal pump applies also for urban water supply and sewerage, high-rise supercharging water feeding, gardens sprinkling irrigation, cold-warm water pressurization and coordinative composition of equipments
Deng.
Existing centrifugal pump when in use, needs artificially to fill pump, after water pump is filled, turns off control valve of pouring water, starts water pump
Start to drain；When water level reaches near water sucking mouth, artificially stop water pump.Therefore, Centrifugal pump drainage system in the prior art
It has the disadvantages that
(1) water pump is artificially opened, water pump starts operator after drawing water and is chronically at idle state, wastes labour significantly
Power；
(2) manual operation fills pump startup, and residual air is easy in water pump, and long-time service is easily damaged water pump；
(3) break down water pump upper water when, be not easy discovery cannot timely termination of pumping, be easy to cause and burn out water pump.
Utility model content
The utility model overcomes the shortcomings of the prior art, technical problem to be solved are as follows: provides a kind of centrifugal pump
Automatically control drainage system.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted in the utility model are as follows: centrifugation the automatic control of pump row
Water system, which is characterized in that including common centrifugal pump, spare centrifugal pump, control circuit and the high water level connected to the control circuit
Sensor, low water level sensor, the first water shortage over-temperature sensor, the second water shortage over-temperature sensor, first fill pump exhaust low level and pass
Sensor, first fill and pump exhaust high position sensor, the second filling pumps exhaust low sensors and the second filling pump is vented high position sensor；
The high water level sensor and low water level sensor are arranged at the high water level in sump and at low water level；
The first water shortage over-temperature sensor and the second water shortage over-temperature sensor are separately positioned on common centrifugal pump and spare
At the pump housing gas vent of centrifugal pump, for monitoring the water shortage overtemperature signal of centrifugal pump；The common centrifugal pump and spare centrifugal pump
Outlet pipe on be respectively arranged with the first filling pump solenoid valve and second and fill pump solenoid valve, the both ends of both ends and check-valves connect respectively
It is logical；Pressure release air bleeding valve, the exhaust of pressure release air bleeding valve are respectively arranged on the water inlet pipe of the common centrifugal pump and spare centrifugal pump
Exhaust pipe along the vertical direction is provided on mouth, exhaust bottom of the tube is provided with discharge opening, and described first fills pump exhaust low level sensing
Device and the first filling pump exhaust high position sensor are successively set on above the discharge opening on common centrifugal pump, and second filling pumps exhaust
Low sensors and first fill the discharge opening top that pump exhaust high position sensor is successively set on spare centrifugal pump.
First output signal for filling pump exhaust low sensors is used for the pump signal that opens as common centrifugal pump, and first fills pump
The output signal for being vented high position sensor is used to pump solenoid valve enabling signal as the filling of alarm signal and spare centrifugal pump；It is described
Second fills the output signal of pump exhaust low sensors for the pump signal that opens as spare centrifugal pump, and the second filling pump exhaust is high-order
The output signal of sensor is used to being used as alarm signal, and the output signal of high water level sensor is used for as common centrifugal pump and standby
Pump solenoid valve enabling signal with the filling of centrifugal pump, the output signal of low water level sensor be used for as common centrifugal pump and it is spare from
The pump trip signal of heart pump；The output signal of first water shortage overtemperature prote sensor and the second water shortage overtemperature prote sensor point
It Yong Yu not be as the pump trip signal of common centrifugal pump and spare centrifugal pump.
The control circuit includes high water level relay GWJ, low water level relay DWJ, the first water shortage overtemperature relay
1QSCJ, the second water shortage overtemperature relay 2QSCJ, first fill pump exhaust low level relay 1DPQJ, first fill pump exhaust it is high-order after
Electric appliance 1GPQJ, second fill and pump exhaust low level relay 2DPQJ, the second filling pump is vented high position relay 2GPQJ, first contactor
1JCQ and second contactor 2JCQ；
The signal of the high water level sensor and low water level sensor output be respectively used to triggering high water level relay GWJ and
The output signal of low water level relay DWJ, the first water shortage over-temperature sensor and the second water shortage over-temperature sensor is respectively used to
Trigger the first water shortage overtemperature relay 1QSCJ and the second water shortage overtemperature relay 2QSCJ, first fill pump exhaust low sensors,
First filling pumps exhaust high position sensor, the second filling pump is vented low sensors and the second filling pump is vented high position sensor and is respectively used to
Triggering the first filling pump exhaust low level relay 1DPQJ, the high-order relay 1GPQJ of the first filling pump exhaust, second, which fill, pumps exhaust low level
Relay 2DPQJ, second fill pump and are vented high-order relay 2GPQJ；
Common to fill in pump loop, first fills the normally opened contact of the coil 1DCF and high water level relay GWJ of pump solenoid valve
GWJ-1, the second normally-closed contact 2GPQJ-1 for filling the high-order relay 2GPQJ of pump exhaust are connected to transformer T1 pair sideline after connecting
Enclose both ends；
In spare filling pump loop, second fills the normally opened contact of the coil 2DCF and high water level relay GWJ of pump solenoid valve
GWJ-2, the first normally opened contact 1GPQJ-1 for filling the high-order relay 1GPQJ of pump exhaust are connected to transformer T1 pair sideline after connecting
Enclose both ends；
In common control loop, first fills the normally opened contact 1DPQJ-2 and the first water shortage of pump exhaust low level relay 1DPQJ
The normally opened contact 1QSCJ-1 of overtemperature relay 1QSCJ, second fill the normally-closed contact 2DPQJ- that pump is vented low level relay 2DPQJ
1, AC power source is connected to after the coil series connection of the normally opened contact DWJ-1 and first contactor 1JCQ of low water level relay DWJ
Both ends, the normally opened contact 1JCQ-1 of first contactor 1JCQ are connected in parallel on the normally opened touching of the first filling pump exhaust low level relay 1DPQJ
The both ends point 1DPQJ-2；
In spare control loop, second fills the normally opened contact 2DPQJ-2 and the second water shortage of pump exhaust low level relay 2DPQJ
The normally opened contact 2QSCJ-1 of overtemperature relay 2QSCJ, first fill the normally-closed contact 1DPQJ- that pump is vented low level relay 1DPQJ
1, AC power source is connected to after the coil series connection of the normally opened contact DWJ-2 and second contactor 2JCQ of low water level relay DWJ
Both ends, the normally opened contact 2JCQ-1 of second contactor 2JCQ are connected in parallel on the normally opened touching of the second filling pump exhaust low level relay 2DPQJ
The both ends point 2DPQJ-2.
High water level relay GWJ, low water level relay DWJ, the first water shortage overtemperature relay 1QSCJ, the second water shortage overtemperature
Relay 2QSCJ, the first filling pump exhaust low level relay 1DPQJ, the high-order relay 1GPQJ of the first filling pump exhaust, second, which fill, to be pumped
It is low level triggering that exhaust low level relay 2DPQJ and second, which fills pump exhaust high position relay 2GPQJ, and trigger current is
0.8mA。
A shut-off valve, the shut-off valve are also respectively provided on the outlet pipe of the common centrifugal pump and spare centrifugal pump
Both ends be connected to respectively with check-valves both ends；The control circuit further include first start switch QA1, second start switch QA2,
First shutdown switch TA1 and the second shutdown switch TA2；
Described first starts switch the normally opened contact that QA1 is connected in the first filling pump exhaust low level relay 1DPQJ in parallel
The normally opened contact 1QSCJ-1 of 1DPQJ-2 and the first water shortage overtemperature relay 1QSCJ, second fill pump exhaust low level relay 2DPQJ
Normally-closed contact 2DPQJ-1 and low water level relay DWJ normally opened contact DWJ-1 both ends, the first shutdown switch TA1 string
It is associated in the common control loop；
Second starts switch the normally opened contact 2DPQJ-2 that QA2 is connected in the second filling pump exhaust low level relay 2DPQJ in parallel
The normally closed of low level relay 1DPQJ is vented with normally opened contact 2QSCJ-1, the first filling pump of the second water shortage overtemperature relay 2QSCJ
The both ends of the normally opened contact DWJ-2 of contact 1DPQJ-1, low water level relay DWJ, the second shutdown switch TA2 are connected on institute
It states in spare control loop.
The utility model has the advantages that the utility model by being arranged on centrifugal pump compared with prior art
Pressure release air bleeding valve monitors water level in pump by pressure release air bleeding valve, meanwhile, water shortage overtemperature prote sensor is set on the pump housing and is come
The fault condition of water can not be gone up in monitoring pump, while passing through the sensor and water shortage overtemperature prote sensing in pressure release air bleeding valve
Device, high water level sensor, low water level sensor signal to centrifugal pump carry out fill pump and rise termination of pumping operation, centrifugal pump may be implemented
Automatic control draining, and when centrifugal pump breaks down can in time termination of pumping and issue alarm signal, it can be achieved that nobody
It is on duty, subtract people and proposes effect；Pressure release air bleeding valve will can pump intracorporal air discharge automatically when filling pump, reduce residual air to pump drainage
Influence, improve device efficiency；Energy releasing pressure automatically when termination of pumping, reduces the impact to water pump and bottom valve, protects system；Water shortage is super
Temperature protection can monitor fault of water pump, and voluntarily termination of pumping avoids burning out water pump；Main pump upper water when, stand-by pump can automatic start-stop,
It avoids flooding sump when a pump power failure or failure.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for centrifugation the automatic control of pump drainage system that the utility model embodiment proposes；
Fig. 2 is the structural schematic diagram that (spare) centrifugal pump is commonly used in the utility model embodiment；
Fig. 3 is the schematic cross-sectional view of pressure release air bleeding valve in the utility model embodiment；
Fig. 4 is the electrical schematic diagram of control circuit in the utility model embodiment；
Fig. 5 is the working principle diagram of trigger relay in the utility model embodiment；
Fig. 6 is the working principle diagram of trigger relay overtemperature prote in the utility model embodiment.
Specific embodiment
It, below will be to the utility model to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Technical solution in embodiment is clearly and completely described, it is clear that described embodiment is a part of the utility model
Embodiment, instead of all the embodiments；Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained under the premise of creative work out, fall within the protection scope of the utility model.
The utility model provides a kind of centrifugation the automatic control of pump drainage system, as shown in Figure 1, the drainage system includes normal
With centrifugal pump, spare centrifugal pump, control circuit and the high water level sensor 1 connected to the control circuit, low water level sensor 2,
It is high that one water shortage over-temperature sensor 3, the second water shortage over-temperature sensor 4, first fill the pump exhaust filling pump exhaust of low sensors 5, first
Level sensor 6, second fills pump exhaust low sensors 7 and second and fills pump exhaust high position sensor 8.
As shown in Fig. 2, the high water level sensor 1 and low water level sensor 2 be arranged in it is at the high water level in sump and low
At water level；The first water shortage over-temperature sensor 3 and the second water shortage over-temperature sensor 4 are separately positioned on common centrifugal pump and spare
At the pump housing gas vent of centrifugal pump, for monitoring the water shortage overtemperature signal of centrifugal pump；First, which fills pump solenoid valve 9 and second, fills pump electricity
Magnet valve 10 is separately positioned on the outlet pipe of common centrifugal pump and spare centrifugal pump, the check-valves 11 on both ends and outlet pipe
Both ends are respectively communicated with；In addition, being respectively arranged with pressure release air bleeding valve 12 on the water inlet pipe of the common centrifugal pump and spare centrifugal pump.
As shown in figure 3, exhaust pipe 13 along the vertical direction is provided on the exhaust outlet of pressure release air bleeding valve 12,13 bottom of exhaust pipe
Portion is provided with discharge opening 14, and the first filling pump exhaust low sensors 5 and the first filling pump are vented high position sensor 6 and set gradually
Above the discharge opening on common centrifugal pump, described second, which fills pump exhaust low sensors 7 and first, fills the high-order sensing of pump exhaust
Device 8 is successively set on above the discharge opening of spare centrifugal pump.
Wherein, the first output signal for filling pump exhaust low sensors 5 is used for the pump signal that opens as common centrifugal pump, the
One output signal for filling pump exhaust high position sensor 6 is used for the filling pump solenoid valve starting letter as alarm signal and spare centrifugal pump
Number；Described second output signal for filling pump exhaust low sensors 7 fills pump for the pump signal that opens as spare centrifugal pump, second
The output signal for being vented high position sensor 8 is used to be used as alarm signal, and the output signal of high water level sensor 1 is used for as common
The filling of centrifugal pump and spare centrifugal pump pumps solenoid valve enabling signal, the output signal of low water level sensor 2 be used for as commonly use from
The pump trip signal of heart pump and spare centrifugal pump；First water shortage overtemperature prote sensor 3 and the second water shortage overtemperature prote sensing
The output signal of device 4 is respectively used to the pump trip signal as common centrifugal pump and spare centrifugal pump.
As shown in figure 4, control circuit include high water level relay GWJ, low water level relay DWJ, the first water shortage overtemperature after
Electric appliance 1QSCJ, the second water shortage overtemperature relay 2QSCJ, first, which fill, pumps exhaust low level relay 1DPQJ, the first filling pump exhaust height
Position relay 1GPQJ, second fill and pump exhaust low level relay 2DPQJ, the second filling pump is vented high position relay 2GPQJ, first connects
Tentaculum 1JCQ and second contactor 2JCQ.
Wherein, the output of the signal of high water level sensor 1 and low water level sensor 2 is respectively used to triggering high water level relay
The output signal of GWJ and low water level relay DWJ, the first water shortage over-temperature sensor 3 and the second water shortage over-temperature sensor 4 point
The first water shortage overtemperature relay 1QSCJ and the second water shortage overtemperature relay 2QSCJ Yong Yu not be triggered, first, which fills pump exhaust low level, passes
Sensor 5, first fill pump exhaust high position sensor 6, second fill pump exhaust low sensors 7 and second fill pump exhaust high position sensor
8, which are respectively used to triggering first, fills pump exhaust low level relay 1DPQJ, first fills pump and be vented high-order relay 1GPQJ, second fill pump
It is vented low level relay 2DPQJ, the second filling pump is vented high-order relay 2GPQJ.
As shown in figure 4, common fill in pump loop, first fills the coil 1DCF and high water level relay GWJ of pump solenoid valve
Normally opened contact GWJ-1, the second normally-closed contact 2GPQJ-1 for filling the high-order relay 2GPQJ of pump exhaust are connected to transformer after connecting
T1 secondary coil both ends；In spare filling pump loop, second fills the normally opened of the coil 2DCF and high water level relay GWJ of pump solenoid valve
Contact GWJ-2, the first normally opened contact 1GPQJ-1 for filling the high-order relay 1GPQJ of pump exhaust are connected to transformer T1 pair after connecting
Both ends are enclosed in sideline；In common control loop, first fills the normally opened contact 1DPQJ-2 and first of pump exhaust low level relay 1DPQJ
The normally opened contact 1QSCJ-1 of water shortage overtemperature relay 1QSCJ, second fill the normally-closed contact that pump is vented low level relay 2DPQJ
Friendship is connected to after the coil series connection of 2DPQJ-1, the normally opened contact DWJ-1 of low water level relay DWJ and first contactor 1JCQ
Both ends of power is flowed, the normally opened contact 1JCQ-1 of first contactor 1JCQ is connected in parallel on the first filling pump exhaust low level relay 1DPQJ's
The both ends normally opened contact 1DPQJ-2；In spare control loop, second fills the normally opened contact of pump exhaust low level relay 2DPQJ
The normally opened contact 2QSCJ-1 of 2DPQJ-2 and the second water shortage overtemperature relay 2QSCJ, first fill pump exhaust low level relay 1DPQJ
Normally-closed contact 1DPQJ-1, low water level relay DWJ normally opened contact DWJ-2 and second contactor 2JCQ coil series connection
After be connected to AC power source both ends, the normally opened contact 2JCQ-1 of second contactor 2JCQ is connected in parallel on the second filling pump exhaust low level relay
The both ends normally opened contact 2DPQJ-2 of device 2DPQJ.
Further, in the utility model embodiment, high water level relay GWJ, low water level relay DWJ, the first water shortage
Overtemperature relay 1QSCJ, the second water shortage overtemperature relay 2QSCJ, first fill pump exhaust low level relay 1DPQJ, the first filling pump
It is vented high-order relay 1GPQJ, the second filling pump exhaust low level relay 2DPQJ and second fills the high-order relay 2GPQJ of pump exhaust
It is low level triggering, trigger current 0.8mA.In addition, high water level sensor 1, low water level sensor 2, the first water shortage are super
Temperature sensor 3, the second water shortage over-temperature sensor 4, first fill pump exhaust low sensors 5, first and fill pump exhaust high position sensor
6, second pump exhaust low sensors 7 and the second filling pump exhaust high position sensor 8 are filled to the trigger theory of corresponding relay, all
It can be the circuit theory based on triode switch, for example, as shown in figure 5, the base stage low potential using PNP type triode 16 is led
Logical feature realizes that sensor probe 17 has detected whether water, when sensor probe 17 has water, three pole of positive-negative-positive for connection of popping one's head in
The base stage that pipe 16 is is low potential, then PNP type triode 16 is connected, so that trigger relay J is acted, reaches the mesh of sensed water level
's.In addition, as shown in fig. 6, the triggering for the first water shortage overtemperature relay 1QSCJ and the second water shortage overtemperature relay 2QSCJ is former
Reason figure concatenates a closed type PTC temperature switch 18 by sensor probe end, and when pump housing water shortage, temperature raising reaches default
When value, 18 disconnection detection trigger circuit of closed type PTC temperature switch, water shortage overtemperature relay power-off loses triggering, and contact is
Control loop can be disconnected, control switch stops water pump operation, realizes the purpose of water shortage overtemperature prote.Closed type PTC temperature
The temperature preset value of switch 18 can be 40 degrees Celsius.In addition, the coil both ends of these relays all and are connected to freewheeling diode
19, the cut-off overvoltage that freewheeling diode 19 generates when can prevent relay from powering off damages triode.
Further, as shown in Fig. 2, in the utility model embodiment, the common centrifugal pump and spare centrifugal pump go out
A shut-off valve 15 is also respectively provided on water pipe, the both ends of the shut-off valve 15 are connected to 11 both ends of check-valves respectively；Such as Fig. 4
Shown, the control circuit further includes first starting switch QA1, second starting switch QA2, the first shutdown switch TA1 and second
Shutdown switch TA2；Described first starts switch the normally opened touching that QA1 is connected in the first filling pump exhaust low level relay 1DPQJ in parallel
The normally opened contact 1QSCJ-1 of point 1DPQJ-2 and the first water shortage overtemperature relay 1QSCJ, second fill pump exhaust low level relay
The both ends of the normally opened contact DWJ-1 of the normally-closed contact 2DPQJ-1 and low water level relay DWJ of 2DPQJ, first shutdown switch
TA1 is connected in the common control loop；Second, which starts switch QA2, is connected in the second filling pump exhaust low level relay in parallel
The normally opened contact 2QSCJ-1 of the normally opened contact 2DPQJ-2 of 2DPQJ and the second water shortage overtemperature relay 2QSCJ, first fill pump exhaust
The both ends of the normally-closed contact 1DPQJ-1 of low level relay 1DPQJ, the normally opened contact DWJ-2 of low water level relay DWJ, described
Two shutdown switch TA2 are connected in the spare control loop.
In addition, a kind of centrifugation the automatic control of pump drainage system of the utility model, can also include warning circuit, the report
The control terminal of alert circuit and first filling pump exhaust high position sensor and second fills the output end company that pump is vented high position sensor
It connects, when first fills pump exhaust high position sensor or the second filling pump exhaust high position sensor detects water level signal, illustrates to correspond to
The pump housing break down, at this time warning circuit issue alarm signal, remind staff.
The working principle of the utility model is as follows: the drainage system of the utility model is drained using 2 water pumps, wherein
One is common, one be it is spare, when water bunker level reaches it is high-order when, high water level sensor 1 triggers high water level relay contact
GWJ-1 is attracted, and first fills pump solenoid valve energized action, starts to fill pump, gas is discharged by pressure release air bleeding valve in the pump housing, and water pump fills
Man Hou, the normally opened contact 1QSCJ-1 that the first water shortage over-temperature sensor 3 triggers the first water shortage overtemperature relay 1QSCJ are attracted to open
Dynamic self-insurance creates conditions, and when water level reaches the first filling pump exhaust 5 position of low sensors in pressure release air bleeding valve, fills pump
The triggering of low sensors 5 first filling pump exhaust low level relay 1DPQJ is vented to be attracted, normally opened contact 1DPQJ-2 is connected, and first
Contactor 1JCQ obtains electric, and normally opened contact 1JCQ-1 is attracted self-insurance, and general service pump starts to draw water, and pressure release air bleeding valve is automatically closed,
Extra water is flowed out from discharge opening 14 in top exhaust pipe 13, then first fills pump exhaust low level relay 1DPQJ power-off, normally opened
Contact 1DPQJ-2 disconnects start button signal, but the start button signal is commonly used water pump and operated normally, let out by self-insurance at this time
The overturning of pressure exhaust valve state, prepares to open pump next time.When water bunker level is extracted into low water level monitoring, low water level sensor 2 is touched
The normally opened contact DWJ-1 for sending out low water level relay DWJ is disconnected, and is stopped pumping；In drainage procedure, water pump is emptied or overtemperature event
When barrier is unable to normal pumping, the first water shortage over-temperature sensor triggers the movement of the first water shortage overtemperature relay protection, normally opened contact
1QSCJ-1 is disconnected, and water pump shuts down, and water pump is prevented to be burned.When there are failures cannot normally open pump for common water pump, filling pump makes
It obtains water level reaches in pressure release air bleeding valve first and fills pump exhaust 6 position of high position sensor (malfunction monitoring), the first filling pump row
The triggering of gas high position sensor 6 first fills pump and is vented high-order relay 1GPQJ, and normally opened contact 1GPQJ-1 is attracted, spare filling blowback
Second solenoid valve 2DCF movement in road, starts to fill pump, principle of drawing water often uses circuit.When back-up circuit failure cannot normally start
When, the second exhaust of stand-by pump fills pump high position sensor 8 and detects output alarm or upload fault-signal, reminds and notify work people
Member carries out inspection processing.When if you need to be manually operated, the shut-off valve at check-valves both ends is first opened, start button and stop button are passed through
The start and stop of water pump can be thus achieved, operate originally identical.
Although foregoing merely illustrating the automatic start-stop for realizing centrifugal pump by relay, the utility model can also be with
The automatic start-stop of centrifugal pump is realized by controller.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (5)
1. a kind of centrifugation the automatic control of pump drainage system, which is characterized in that including common centrifugal pump, spare centrifugal pump, control electricity
Road and the high water level sensor connected to the control circuit (1), low water level sensor (2), the first water shortage over-temperature sensor (3), the
Two water shortage over-temperature sensors (4), first fill pump exhaust low sensors (5), the first filling pump exhaust high position sensor (6), second
It fills pump exhaust low sensors (7) and second and fills pump exhaust high position sensor (8)；
The high water level sensor (1) and low water level sensor (2) are arranged at the high water level in sump and at low water level；
The first water shortage over-temperature sensor (3) and the second water shortage over-temperature sensor (4) are separately positioned on common centrifugal pump and standby
At the pump housing gas vent of centrifugal pump, for monitoring the water shortage overtemperature signal of centrifugal pump；The common centrifugal pump and spare centrifugation
It is respectively arranged with the first filling pump solenoid valve (9) and second on the outlet pipe of pump and fills pump solenoid valve (10), both ends and check-valves
(11) both ends are respectively communicated with；Pressure release air bleeding valve is respectively arranged on the water inlet pipe of the common centrifugal pump and spare centrifugal pump
(12), exhaust pipe (13) along the vertical direction, the setting of exhaust pipe (13) bottom are provided on the exhaust outlet of pressure release air bleeding valve (12)
Have discharge opening (14), first filling pump exhaust low sensors (5) and the first filling pump are vented high position sensor (6) and set gradually
Above the discharge opening on common centrifugal pump, described second, which fills pump, is vented low sensors (7) and the second high-order biography of filling pump exhaust
Sensor (8) is successively set on above the discharge opening of spare centrifugal pump.
2. a kind of centrifugation the automatic control of pump drainage system according to claim 1, which is characterized in that the first filling pump exhaust is low
The output signal of level sensor (5) is used for the pump signal that opens as common centrifugal pump, and first fills pump exhaust high position sensor (6)
Output signal is used to pump solenoid valve enabling signal as the filling of alarm signal and spare centrifugal pump；Described second fills pump exhaust low level
The output signal of sensor (7) fills the defeated of pump exhaust high position sensor (8) for the pump signal that opens as spare centrifugal pump, second
Signal is used to be used as alarm signal out, and the output signal of high water level sensor (1) is used for as common centrifugal pump and spare centrifugation
The filling of pump pumps solenoid valve enabling signal, and the output signal of low water level sensor (2) is used for as common centrifugal pump and spare centrifugation
The pump trip signal of pump；The output signal of first water shortage over-temperature sensor (3) and the second water shortage over-temperature sensor (4) is used respectively
In the pump trip signal as common centrifugal pump and spare centrifugal pump.
3. a kind of centrifugation the automatic control of pump drainage system according to claim 1, which is characterized in that the control circuit packet
Include high water level relay GWJ, low water level relay DWJ, the first water shortage overtemperature relay 1QSCJ, the second water shortage overtemperature relay
2QSCJ, first fill pump exhaust low level relay 1DPQJ, first fill pump and be vented that high-order relay 1GPQJ, second to fill pump exhaust low
Position relay 2DPQJ, second fill pump and are vented high-order relay 2GPQJ, first contactor 1JCQ and second contactor 2JCQ；
The output of the signal of the high water level sensor (1) and low water level sensor (2) is respectively used to triggering high water level relay GWJ
With low water level relay DWJ, the output signal of the first water shortage over-temperature sensor (3) and the second water shortage over-temperature sensor (4)
It is respectively used to the first water shortage overtemperature relay 1QSCJ of triggering and the second water shortage overtemperature relay 2QSCJ, first fills pump exhaust low level
Sensor (5), first fill and pump exhaust high position sensor (6), the second filling pumps exhaust low sensors (7) and the second filling pump is vented height
Level sensor (8) is respectively used to triggering the first filling pump exhaust low level relay 1DPQJ, the first high-order relay of filling pump exhaust
1GPQJ, second fill and pump exhaust low level relay 2DPQJ, the second filling pump is vented high position relay 2GPQJ；
It is common to fill in pump loop, the normally opened contact GWJ-1 of the coil 1DCF and high water level relay GWJ of the first filling pump solenoid valve,
The second normally-closed contact 2GPQJ-1 for filling the high-order relay 2GPQJ of pump exhaust is connected to transformer T1 secondary coil both ends after connecting；
In spare filling pump loop, the normally opened contact GWJ-2 of the coil 2DCF and high water level relay GWJ of the second filling pump solenoid valve,
The first normally opened contact 1GPQJ-1 for filling the high-order relay 1GPQJ of pump exhaust is connected to transformer T1 secondary coil both ends after connecting；
In common control loop, first fills the normally opened contact 1DPQJ-2 and the first water shortage overtemperature of pump exhaust low level relay 1DPQJ
The normally-closed contact 2DPQJ-1, low that the normally opened contact 1QSCJ-1 of relay 1QSCJ, second fill pump exhaust low level relay 2DPQJ
AC power source both ends are connected to after the coil series connection of the normally opened contact DWJ-1 and first contactor 1JCQ of level relay DWJ,
The normally opened contact 1JCQ-1 of first contactor 1JCQ is connected in parallel on the normally opened contact of the first filling pump exhaust low level relay 1DPQJ
The both ends 1DPQJ-2；
In spare control loop, second fills the normally opened contact 2DPQJ-2 and the second water shortage overtemperature of pump exhaust low level relay 2DPQJ
The normally-closed contact 1DPQJ-1, low that the normally opened contact 2QSCJ-1 of relay 2QSCJ, first fill pump exhaust low level relay 1DPQJ
AC power source both ends are connected to after the coil series connection of the normally opened contact DWJ-2 and second contactor 2JCQ of level relay DWJ,
The normally opened contact 2JCQ-1 of second contactor 2JCQ is connected in parallel on the normally opened contact of the second filling pump exhaust low level relay 2DPQJ
The both ends 2DPQJ-2.
4. a kind of centrifugation the automatic control of pump drainage system according to claim 3, which is characterized in that high water level relay
GWJ, low water level relay DWJ, the first water shortage overtemperature relay 1QSCJ, the second water shortage overtemperature relay 2QSCJ, first fill pump
Be vented low level relay 1DPQJ, first fill pump be vented high-order relay 1GPQJ, second fill pump exhaust low level relay 2DPQJ and
Second filling pump exhaust high position relay 2GPQJ is low level triggering, trigger current 0.8mA.
5. a kind of centrifugation the automatic control of pump drainage system according to claim 3, which is characterized in that the common centrifugal pump
Be also respectively provided with a shut-off valve (15) on the outlet pipe of spare centrifugal pump, the both ends of the shut-off valve (15) are respectively and only
Return the connection of valve (11) both ends；The control circuit further include first start switch QA1, second start switch QA2, first stop open
Close TA1 and the second shutdown switch TA2；
Described first starts switch the normally opened contact 1DPQJ-2 that QA1 is connected in the first filling pump exhaust low level relay 1DPQJ in parallel
The normally closed of low level relay 2DPQJ is vented with normally opened contact 1QSCJ-1, the second filling pump of the first water shortage overtemperature relay 1QSCJ
The both ends of the normally opened contact DWJ-1 of contact 2DPQJ-1 and low water level relay DWJ, the first shutdown switch TA1 are connected on institute
It states in common control loop；
Second starts switch the normally opened contact 2DPQJ-2 and that QA2 is connected in the second filling pump exhaust low level relay 2DPQJ in parallel
The normally opened contact 2QSCJ-1 of two water shortage overtemperature relay 2QSCJ, first fill the normally-closed contact that pump is vented low level relay 1DPQJ
The both ends of the normally opened contact DWJ-2 of 1DPQJ-1, low water level relay DWJ, the second shutdown switch TA2 are connected on described standby
With in control loop.
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| CN201820932627.4U CN208793261U (en) | 2018-06-15 | 2018-06-15 | A kind of centrifugation the automatic control of pump drainage system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108775288A (en) * | 2018-06-15 | 2018-11-09 | 山西潞安环保能源开发股份有限公司五阳煤矿 | A kind of centrifugation the automatic control of pump drainage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775288A (en) * | 2018-06-15 | 2018-11-09 | 山西潞安环保能源开发股份有限公司五阳煤矿 | A kind of centrifugation the automatic control of pump drainage system |
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