CN110388314A - Nuclear power station Spent Radioactive water filtration device and its control device - Google Patents
Nuclear power station Spent Radioactive water filtration device and its control device Download PDFInfo
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- CN110388314A CN110388314A CN201910598795.3A CN201910598795A CN110388314A CN 110388314 A CN110388314 A CN 110388314A CN 201910598795 A CN201910598795 A CN 201910598795A CN 110388314 A CN110388314 A CN 110388314A
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- control
- power supply
- switch component
- switch
- component
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
Abstract
This application involves liquid waste treatment system of nuclear power plant technical fields, it is related to a kind of nuclear power station Spent Radioactive water filtration device and its control device, the exchange input side of Switching Power Supply is connect with power supply circuit in control device, the DC output side of Switching Power Supply is connect with normally closed switch component, normally closed switch component connects normal open switch component, normal open switch component connects control switch component, the DC output side of control switch component connection switch power supply；Power supply circuit connects the electrodynamic pump in filter plant by control switch component, the energization when normally closed switch component and normal open switch component are on state of control switch component, and when being powered the output of access power supply circuit voltage to electrodynamic pump.By increasing electrodynamic pump in filter plant and carry out electrical control to electrodynamic pump using control device, staff is facilitated to control the start and stop of filter plant, reduce when radioactive wastewater is filtered on nuclear power station by nuclear radiation influenced.
Description
Technical field
This application involves liquid waste treatment system of nuclear power plant technical fields, more particularly to a kind of nuclear power station radioactive wastewater mistake
Filter equipment and its control device.
Background technique
Growing day by day with energy consumption, the construction of nuclear power station enters a wheel peak period, but nuclear power station makes in construction
With the security control for needing to reinforce nuclear facilities and radioactive source in the process, it is ensured that the safety of nuclear pollution and radiation environment.Existing core
The radioactive wastewater of power station fuel pit needs to be discharged after carrying out purified treatment by filter plant, prevents waste water
It is expelled directly out and generates nuclear radiation or nuclear pollution.
During pre-processing waste water, filter device is needed to be filtered radioactive wastewater, traditional nuclear power station
Spent Radioactive water filtration device extracts radioactive wastewater using air driven pump, so that radioactive wastewater passes through filter core
It is filtered, is then discharged from discharge outlet, air driven pump needs external gas source in use, controls gas by external gas source
The work of dynamic pump, when gas source valve is opened, air driven pump begins to work, and air driven pump just stops working when valve closing, gas
Very inconvenient its start and stop of control, staff are easy to be exposed to nuclear radiation ring in operation dynamic pump during use
Under border, increase by the risk radiated.
Summary of the invention
Based on this, it is necessary to aiming at the problem that nuclear power station wastewater filtering device is inconvenient to control, provide a kind of nuclear power station and put
Penetrating property waste water filter device and its control device.
A kind of control device of nuclear power station Spent Radioactive water filtration device, the device include electronic pump control circuit and power supply
Circuit, electronic pump control circuit include Switching Power Supply, normally closed switch component, normal open switch component and control switch component；
The ac input end of Switching Power Supply is connect with power supply circuit, the DC output end and normally closed switch component of Switching Power Supply
Connection, Switching Power Supply are used for the voltage that conveys to power supply circuit and are depressured, and from the voltage after DC output end output buck；
Normally closed switch component connects normal open switch component, and normal open switch component connects control switch component, control switch group
The DC output end of part connection switch power supply；
Power supply circuit connects electrodynamic pump by control switch component, and control switch component is in normally closed switch component and normally opened opens
Close component energization when being on state, and when being powered the output of access power supply circuit voltage to electrodynamic pump.
Above-mentioned control device is supplied by the way that electrodynamic pump is arranged in filter plant, and by the control of electronic pump control circuit
The conducting or truncation of circuit control the working condition of electrodynamic pump, and staff is facilitated to control the start and stop of filter plant
System, reduce when radioactive wastewater is filtered on nuclear power station by nuclear radiation influenced.
Power supply circuit includes power switch component in one of the embodiments, and electricity is accessed in one end of power switch component
Source, the other end are connect with control switch component and Switching Power Supply.
Power supply circuit includes earth leakage circuit-breaker component in one of the embodiments, and power switch component passes through electric leakage
Protective switch component connects control switch component and Switching Power Supply connection.
Electronic pump control circuit further includes emergency stop control assembly in one of the embodiments, and the one of emergency stop control assembly
End is connect with the DC output side of Switching Power Supply, and the other end of emergency stop control assembly is connect with normally closed switch component.
In one of the embodiments, normally closed switch component include the first normally closed switch and the second normally closed switch, first
The DC output side and the second normally closed switch of normally closed switch and Switching Power Supply connect, the second normally closed switch and normal open switch component
Connection.
In one of the embodiments, normal open switch component include the first normal open switch and the second normal open switch, first
Normal open switch is connect with the second normally closed switch and control switch component, the second normal open switch and the second normally closed switch and control
Switch block connection.
In one of the embodiments, control switch component be control relay, control relay include control coil and
First control contact, control coil one end connect the first normal open switch and the second normal open switch, and the connection of the control coil other end is opened
The DC output side in powered-down source；Power supply circuit connects electrodynamic pump by the first control contact of control relay.
Electronic pump control circuit further includes electrothermal relay component in one of the embodiments, and electrothermal relay component includes
Thermal sensation component and the first switch contacts, the first control contact for controlling relay connect electrodynamic pump, the first touching by thermal sensation component
Head switch is connect with the DC output side of Switching Power Supply and the first normally closed switch.
Control device in one of the embodiments, further includes sensor circuit, sensor circuit include flow inductor with
And differential pressure sensor, the DC output side connection of flow sensor and Switching Power Supply, the direct current of differential pressure pickup and Switching Power Supply
Outlet side connection.
A kind of nuclear power station Spent Radioactive water filtration device, the control device including electrodynamic pump and above-mentioned any one, control
Power supply circuit and control switch component in device processed are electrically connected with electrodynamic pump.
Above-mentioned waste water filter device by the way that electrodynamic pump is arranged in filter plant, and passes through electronic pump control circuit control
The conducting or truncation of power supply circuit processed control the working condition of electrodynamic pump, facilitate the staff to carry out the start and stop of filter plant
Control, reduce when radioactive wastewater is filtered on nuclear power station by nuclear radiation influenced.
Detailed description of the invention
Fig. 1 is the nuclear power station waste water filter device schematic diagram provided in an embodiment；
Fig. 2 is the control device system framework figure of nuclear power station radioactive wastewater filter plant in an embodiment；
Fig. 3 is the circuit structure diagram of the control device of nuclear power station radioactive wastewater filter plant in an embodiment；
Fig. 4 is the electrodynamic pump electric operation control circuit figure of the control device of nuclear power station radioactive wastewater filter plant in an embodiment；
Fig. 5 is the sensor circuit structure chart of the control device of nuclear power station radioactive wastewater filter plant in an embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
It is appreciated that term " first " used in this application, " second " etc. can be used to describe herein various devices
And/or power supply etc., but these devices and power supply should not be limited by these terms.These terms are only used to by a device and another
Device is distinguished.For example, in the case where not departing from scope of the present application, the first breaker can be known as to the second open circuit
Device, and similarly, the second breaker can be known as the first breaker.First breaker and the second breaker are both breaking
Device, but it is not same breaker.
In one embodiment, as shown in Figure 1, providing a kind of nuclear power station Spent Radioactive water filtration device, the wherein filtering
Equipment, which includes at least, water inlet 1, water outlet 2, filter 3, centrifugal pump 4, control cabinet 5, and entire filter plant integrated installation exists
On one trolley 6 with idler wheel, corresponding valve, pressure apparatus and display device etc. are additionally provided in filter plant, such as
Drain tap 11, pressure gauge 12, filter housings 31, vacuum gas discharge valve 13, filter draining valve 32, filter-specific tool
33, flowmeter 14, pressure display table 121, control switch 51 etc., do not elaborate herein.It should be noted that control cabinet
Control device can be set in 5, control device realizes the electric-controlled to centrifugal pump 4 by being electrically connected with centrifugal pump 4
It makes, such as the control device in control cabinet 5 can provide power supply circuit all the way and guarantee that centrifugal pump 4 is able to carry out work to centrifugal pump 4
Make, while the conducting or truncation of power supply circuit can also be controlled by being centrifuged pump control circuit etc. accordingly, realizes centrifugal pump 4
Start and stop.In one embodiment, control cabinet 5 can install remote controler in the other end of route, so with remote cabling
The conducting or truncation for controlling power supply circuit by the switch in remote controler again afterwards, remotely control centrifugal pump 4 with this to realize
It starts and stops, the long-range control to waste water filter device in nuclear power station is realized, so as to avoid staff from being radiated
Influence.
In one embodiment, as shown in Fig. 2, providing a kind of control dress of nuclear power station Spent Radioactive water filtration device
It sets, is illustrated so that the control device is applied to the filter plant of Fig. 1 as an example, which includes: electronic pump control circuit
200 and power supply circuit 100, electronic pump control circuit 200 includes Switching Power Supply 210, normally closed switch component 220, normal open switch group
Part 230 and control switch component 240.The exchange input side of Switching Power Supply 210 is connect with power supply circuit 100, Switching Power Supply 210
DC output side is connect with normally closed switch component 220, and the voltage that Switching Power Supply 210 is used to convey power supply circuit 100 drops
Pressure, and from the voltage after DC output side output buck.
Normally closed switch component 220 connects normal open switch component, and normal open switch component 230 connects control switch component 240, control
The DC output side of 240 connection switch power supply 210 of switch block processed.Power supply circuit 100 was connected by control switch component 240
The electrodynamic pump 300 in equipment is filtered, control switch component 240 is in and leads in normally closed switch component 220 and normal open switch component 230
It is powered when logical state, and the voltage that access power supply circuit 100 exports when being powered is to electrodynamic pump 300.
Wherein, when being filtered to nuclear power station waste water, electrodynamic pump 300 starts filter plant, waste water with radionuclide
The water inlet for first passing through filter plant enters filter core, is filtered through filtration core, then passes through electrodynamic pump for filtered waste water
It is discharged from the discharge outlet of filter plant.In this process, power supply circuit 100 needs to be connected and output supply voltage is to electrodynamic pump
300 so that electrodynamic pump 300 can start and work, and electronic pump control circuit 200 is further connected on power supply circuit 100, works as filtering
Equipment completes that it is electric power supply can be controlled by electronic pump control circuit 200 at this time to after the filtering with radioactive wastewater
Road 100 enters truncation state, and no longer offer supply voltage is to electrodynamic pump 300, to reach what control electrodynamic pump 300 stopped working
Purpose.Specifically, Switching Power Supply 210 exchange input side access power supply circuit 100 provide ac high voltage power supply (such as
230V alternating current), after being depressured by Switching Power Supply 210, obtain DC low-voltage power supply (such as 24V low-voltage) and from switch
Voltage and current after the DC output side output buck of power supply 210, the voltage and current after decompression flow to normally closed switch component again
220, the normal open switch component 230 and control switch component 240 being connect with normally closed switch component 220, it should be noted that electricity
Control switch component 240 in dynamic pump control circuit 200 can be relay, include coil and contact switch, power supply electricity
Road 100 is connect by the contact switch of relay with electrodynamic pump 300, and the coil of relay is then located at electronic pump control circuit
On 200, when in electronic pump control circuit 200 normal open switch component 210 and normally closed switch component 220 be all closed state when,
The coil of relay just has electric current and passes through, so that relay coil obtains electric, the contact of relay is opened in power supply circuit 100
Pass will be closed, so that power supply circuit 100 becomes on state, be supplied to 300 supply voltage of electrodynamic pump, at this time electrodynamic pump 300
It can start and start to work, and when the either normally closed switch component 220 of normal open switch component 210 is in the open state
When, entire electronic pump control circuit 200 is at truncation state, this makes relay coil not have potential circuit to flow through, relay
Device coil cannot obtain electric, and the relay contact switch in power supply circuit 100 will become opening state by closed state, cause to supply
Circuit 100 is truncated, so that power supply circuit 100 can not power for electrodynamic pump 300, to realize control electrodynamic pump 300
It stops working.
Above-mentioned control device is supplied by the way that electrodynamic pump is arranged in filter plant, and by the control of electronic pump control circuit
The conducting or truncation of circuit controls starting or stoping for electrodynamic pump, and staff is facilitated to control the start and stop of filter plant
System, reduce when radioactive wastewater is filtered on nuclear power station by nuclear radiation influenced.
It in one embodiment, as shown in Figure 3 and Figure 4, include power supply circuit and part electrodynamic pump control electricity in Fig. 3
The circuit structure on road includes the remainder circuit concrete structure schematic diagram of electronic pump control circuit, power supply circuit in Fig. 4
100 include power switch component -1S1, and power supply (by taking 230V electric main as an example) is accessed in one end of power switch component -1S1, separately
One end is connect with control switch component 240 and Switching Power Supply 210.Power switch component -1S1 is equivalent to power supply circuit 100
Main switch, it is manually controllable to open or close, to realize the on or off for manually controlling entire power supply circuit 100.
Further, in another embodiment, as shown in figure 3, further including earth leakage circuit-breaker group in power supply circuit 100
Part -1F1, power switch component -1S1 connect control switch component 240 and Switching Power Supply by earth leakage circuit-breaker component -1F1
210 connections.Earth leakage circuit-breaker component -1F1 is equivalent to connect with power switch component -1S1, exists when in power supply circuit 100
When electric leakage, earth leakage circuit-breaker component -1F1 detects that drain conditions will disconnect automatically, to cut off entire power supply circuit 100,
The safety for guaranteeing power supply, improves the safety of entire filter plant, has also further ensured staff to nuclear power
Radioactive wastewater of standing be filtered during safety.
In one embodiment, as shown in Figure 3 and Figure 4, electronic pump control circuit 200 further includes emergency stop control assembly-
One end of 1S6, emergency stop control assembly -1S6 are connect with the DC output side of switching power source chip -1G5, emergency stop control assembly -1S6
The other end connect with normally closed switch component 220.Wherein, Switching Power Supply 210 includes switching power source chip -1G5, Switching Power Supply core
The DC output side of piece -1G5 has positive terminal and negative pole end, and positive terminal exports 24V direct current power source voltage, and it is straight that cathode exports 0V
Supply voltage is flowed, one end of emergency stop control assembly -1S6 is connect with the positive terminal of the DC output side of switching power source chip -1G5,
The other end and normally closed switch component 220.
The conducting or truncation that entire electronic pump control circuit 200 can be controlled by emergency stop control assembly -1S6, for example, working as
Emergency stop control assembly -1S6 is pressed, the direct current of the DC output side output of Switching Power Supply -1G5 is truncated at this time, will be unable to flow
To subsequent normally closed switch component 220, so that entire electronic pump control circuit 200 is in truncation state, allow in this way
Control switch component 240 can not be powered, and voltage can not be delivered to electrodynamic pump 300 in power supply circuit 100, can not be electrodynamic pump 300
Power supply is provided.
Emergency stop control assembly -1S6 can play the electronic pump control circuit of emergency cut-off, realize that electrodynamic pump 300 stops working
Purpose, avoid in emergency circumstances electrodynamic pump 300 be damaged, influence the performance state of entire waste water filter device.
In one embodiment, as shown in figure 4, normally closed switch component 220 includes the first normally closed switch -2S41E and the
The positive terminal of the DC output side of two normally closed switch -2S42E, the first normally closed switch -2S41E and switching power source chip -1G5 and
Second normally closed switch -2S42E connection, the second normally closed switch -2S42E are connect with normal open switch component 230.Under normal conditions, first
Normally closed switch -2S41E and the second normally closed switch -2S42E stop all in closed state, only needing to control electrodynamic pump 300
When only working, the first normally closed switch -2S41E either the second normally closed switch -2S42E is just in the open state at this time.Further
, in one embodiment, the first normally closed switch -2S41E can be set in control device, i.e., is directly arranged nearby in waste water
On control device in filter plant control cabinet, when staff is close to waste water filter device, first can be opened and normally closed opened
Pass -2S41E stops working to control electrodynamic pump 300；Second normally closed switch -2S42E can be set in remote control device, example
Such as by remote cabling, so that the second normally closed switch -2S42E is mounted in remote control device, such staff
The second normally closed switch -2S42E opening is remotely directly controlled, to realize that long-range control electrodynamic pump 300 stops working, so that work
Personnel do not need the contact waste water filter device of short distance, prevent the nuclear radiation by radioactive wastewater from being influenced, safeguard work people
The safety of member.
Further, in another embodiment, as shown in Figure 3 and Figure 4, normal open switch component 230 includes first normally opened
Switch -2S43E and the second normal open switch -2S44E, the first normal open switch -2S43E and the second normally closed switch -2S44E and control
Switch block 240 processed connects, and the second normal open switch -2S44E and the second normally closed switch -2S42E and control switch component 240 connect
It connects.First normal open switch -2S43E and the second normal open switch -2S44E is being in an open state under normal conditions, only is needing to control
Just needs by control enter closed state when electrodynamic pump 300 starts, it should be noted that when the first normally closed switch -2S41E with
And second normally closed switch -2S42E be in closure under normal conditions, in the first normal open switch -2S43E and the second normal open switch -2S44E
In, any one normal open switch is controlled in the closure state, and control switch component 240 all can be in the conductive state at this time,
To electrodynamic pump 300, electrodynamic pump 300 can start power supply circuit energy output voltage at this time.Further, in one embodiment
In, the first normal open switch -2S43E can be set in control device, i.e., is directly arranged nearby in waste water filter device control cabinet
In control device on, when staff is close to waste water filter device, the first normal open switch -2S43E can be closed to control
Electrodynamic pump 300 starts work；Second normal open switch -2S44E can be set in remote control device, such as by remotely connecing
Line, so that the second normal open switch -2S44E is mounted in remote control device, such staff can remotely be directly controlled
Second normally closed switch -2S42E closure, to realize that long-range control electrodynamic pump 300 starts work, so that staff does not need closely
The contact waste water filter device of distance prevents the nuclear radiation by radioactive wastewater from being influenced, the safety of safeguard work personnel.One
It further include indicator light -1H6, indicator light -2H8 and indicator light -2H9 in a embodiment, in electronic pump control circuit 200, first
Indicator light -2H9 is connected between the negative pole end of the DC output side of normal open switch -2S43E and switching power source chip -1G5,
Indicator light -2H8 is also connected between the negative pole end of the DC output side of two normal open switch -2S44E and switching power source chip -1G5,
Indicator light -2H8 and indicator light -2H9 is the run indicator of electrodynamic pump 300, facilitates staff to get information about electronic
The operating status of pump 300, one end of indicator light -1H6 are connect with one end of emergency stop control assembly -1S6, and indicator light -1H6's is another
End is connect with the negative pole end of the DC output side of switching power source chip -1G5.
Further, in one embodiment, as shown in Figure 3 and Figure 4, control switch component 240 is control relay-
2K6, control relay -2K6 include control coil and the first control contact, control coil one end connection of control relay -2K6
First normal open switch -2S43E and the second normal open switch -2S44E controls the control coil other end connection switch of relay -2K6
The negative pole end of the DC output side of power supply chip -1G5；The first control contact that power supply circuit 100 passes through control relay -2K6
Connect electrodynamic pump -- 2M1.When the control coil for controlling relay -2K6 obtains electric, the first control contact of control relay -2K6
It will be closed, it is in the conductive state that this allows for power supply circuit 100, so as to output supply voltage to electrodynamic pump 300, so that
Electrodynamic pump 300 starts；When controlling the control coil power loss of relay -2K6, the first control contact of control relay -2K6 is just
Can open, this allows for power supply circuit 100 and is in truncation state, thus can not output supply voltage to electrodynamic pump 300 so that electric
Dynamic pump 300 stops.In another embodiment, control relay -2K6 further includes the second control contact, wherein control relay -
The second control contact of 2K6 is in parallel with the second normal open switch -2S44E.
Further, in one embodiment, as shown in Figure 3 and Figure 4, electronic pump control circuit 200 further includes hot relay
Device assembly -2Q1, electrothermal relay component -2Q1 include thermal sensation component and the first switch contacts, the first control of control relay -2K6
Contact processed connects electrodynamic pump 300 by thermal sensation component, the DC output side of the first switch contacts and switching power source chip -1G5 with
And the first normally closed switch -2S41E connection.Wherein, temperature of the thermal sensation component for electrode winding in induction electric pump 300, works as electricity
When pole winding overheats, electrothermal relay component -2Q1 can trip, and the first switch contacts can automatically open, to cut off electrodynamic pump control
The conducting of circuit 300 ensure that 300 job stability of electrodynamic pump so that electrodynamic pump 300 stops working, and prevent 300 mistake of electrodynamic pump
Heat affecting service life.
Further, electrothermal relay component -2Q1 further includes the second switch contacts, further includes in electronic pump control circuit 300
First indicator light -2H7.Wherein, one end of the second switch contacts of electrothermal relay component -2Q1 connects emergency stop control assembly -1S6,
The other end of second switch contacts connects one end of the first indicator light -2H7, the other end connection switch electricity of the first indicator light -2H7
The negative pole end of the DC output side of source chip -1G5, when electrothermal relay component -2Q1 tripping, the second switch contacts are automatically opened,
First indicator light -2H7 is used to refer to the working condition of electrothermal relay component -2Q1, and staff is got information about
Whether electrothermal relay component -2Q1 trips.
In one embodiment, as shown in figure 5, Fig. 5 provides the sensor circuit structural schematic diagram of control device, induced electricity
Road includes the direct current of flow inductor -3B6 and differential pressure sensor -3B1, flow sensor -3B6 and switching power source chip -1G5
Outlet side connection, differential pressure pickup -3B1 are connect with the DC output side of switching power source chip -1G5.Wherein, Switching Power Supply core
The DC output side of piece -1G5 includes positive terminal and negative pole end, and flow sensor -3B6 is linked into the straight of switching power source chip -1G5
Between the positive terminal and negative pole end for flowing outlet side, differential pressure pickup -3B1 is linked into the DC output side of switching power source chip -1G5
Positive terminal and negative pole end between, flow sensor -3B6 is used to monitor the data on flows of waste water in waste water filter device, pressure difference
Sensor -3B1 is then used to monitor in the waste water tunnel in filter plant with the presence or absence of pressure difference.Wherein also there is in sensor circuit number
Word shows that table -3P1, digital wash -3P1 are used for the pressure difference signal of displaying scene.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of control device of nuclear power station Spent Radioactive water filtration device, which is characterized in that the control device includes electricity
Dynamic pump control circuit and power supply circuit, the electronic pump control circuit include Switching Power Supply, normally closed switch component, normal open switch group
Part and control switch component；
The exchange input side of the Switching Power Supply is connect with the power supply circuit, the DC output side of the Switching Power Supply with it is described
The connection of normally closed switch component, the voltage that the Switching Power Supply is used to convey the power supply circuit are depressured, and defeated from direct current
Voltage after the output buck of side out；
The normally closed switch component connects the normal open switch component, and the normal open switch component connects the control switch group
Part, the control switch component connect the DC output side of the Switching Power Supply；
The power supply circuit connects the electrodynamic pump in filter plant by the control switch component, and the control switch component exists
Energization when the normally closed switch component and the normal open switch component are on state, and the confession is accessed when being powered
The voltage of electric circuit output is to the electrodynamic pump.
2. control device according to claim 1, which is characterized in that the power supply circuit includes power switch component, institute
One end access power supply of power switch component is stated, the other end is connect with the control switch component and the Switching Power Supply.
3. control device according to claim 2, which is characterized in that the power supply circuit includes earth leakage circuit-breaker group
Part, power switch component connects the control switch component by the earth leakage circuit-breaker component and the Switching Power Supply connects
It connects.
4. control device according to claim 1, which is characterized in that the electronic pump control circuit further includes emergency stop control
One end of component, the emergency stop control assembly is connect with the DC output side of the Switching Power Supply, the emergency stop control assembly
The other end is connect with the normally closed switch component.
5. control device according to claim 1, which is characterized in that the normally closed switch component includes the first normally closed switch
And second normally closed switch, the DC output side and the second normally closed switch of first normally closed switch and the Switching Power Supply connect
It connects, second normally closed switch is connect with the normal open switch component.
6. control device according to claim 5, which is characterized in that the normal open switch component includes the first normal open switch
And second normal open switch, first normal open switch are connect with second normally closed switch and the control switch component,
Second normal open switch is connect with second normally closed switch and the control switch component.
7. control device according to claim 6, which is characterized in that the control switch component is control relay, institute
Stating control relay includes control coil and the first control contact, described control coil one end connect first normal open switch and
Second normal open switch, the control coil other end connect the DC output side of the Switching Power Supply；The power supply circuit
The electrodynamic pump is connected by the first control contact of the control relay.
8. control device according to claim 7, which is characterized in that the electronic pump control circuit further includes electrothermal relay
Component, the electrothermal relay component include thermal sensation component and the first switch contacts, the first control contact of the control relay
Connect the electrodynamic pump by the thermal sensation component, the DC output side of first switch contacts and the Switching Power Supply and
The connection of first normally closed switch.
9. the apparatus according to claim 1, which is characterized in that the control device further includes sensor circuit, the sense
Answering circuit includes flow inductor and differential pressure sensor, the DC output side company of the flow sensor and the Switching Power Supply
It connects, the differential pressure pickup is connect with the DC output side of the Switching Power Supply.
10. a kind of nuclear power station Spent Radioactive water filtration device, which is characterized in that any including electrodynamic pump and claim 1-9
Control device described in one, power supply circuit and control switch component in the control device are electrically connected with the electrodynamic pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910598795.3A CN110388314B (en) | 2019-07-04 | 2019-07-04 | Nuclear power station radioactive wastewater filtering equipment and control device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910598795.3A CN110388314B (en) | 2019-07-04 | 2019-07-04 | Nuclear power station radioactive wastewater filtering equipment and control device thereof |
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| CN204231250U (en) * | 2014-10-13 | 2015-03-25 | 哈尔滨派腾农业科技有限公司 | A kind of drive motors system of agricultural irrigation pump equipment |
| CN205779611U (en) * | 2016-07-01 | 2016-12-07 | 中冶建工集团有限公司 | Pump control unit |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201255071Y (en) * | 2008-08-22 | 2009-06-10 | 四川卓越科技工程有限责任公司 | Ancillary device oil-gas control system for hydroelectric power station unit |
| CN202334403U (en) * | 2011-11-22 | 2012-07-11 | 昆山市五洲电子电器设备厂 | Motor start-up control device |
| CN202949215U (en) * | 2012-07-05 | 2013-05-22 | 成都市思博睿科技有限公司 | Open-phase protection apparatus for three-phase asynchronous motor |
| CN202867156U (en) * | 2012-09-19 | 2013-04-10 | 四川聚友生态农业科技有限公司 | Farmland irrigation and drainage controller capable of preventing water pump electromotor from being damaged due to water-free empty pumping |
| CN202966353U (en) * | 2012-11-14 | 2013-06-05 | 赤峰山金红岭有色矿业有限责任公司 | Turnout remote control device |
| CN203788202U (en) * | 2014-03-08 | 2014-08-20 | 中山市高利锁业股份有限公司 | Motor control circuit for controlling opening and closing of door, window or curtain |
| CN204231250U (en) * | 2014-10-13 | 2015-03-25 | 哈尔滨派腾农业科技有限公司 | A kind of drive motors system of agricultural irrigation pump equipment |
| CN205779611U (en) * | 2016-07-01 | 2016-12-07 | 中冶建工集团有限公司 | Pump control unit |
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| CN110388314B (en) | 2020-11-24 |
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