CN107299894A - The many stand-by pump self-starting logic control circuits selected based on priority - Google Patents
The many stand-by pump self-starting logic control circuits selected based on priority Download PDFInfo
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- CN107299894A CN107299894A CN201710680830.7A CN201710680830A CN107299894A CN 107299894 A CN107299894 A CN 107299894A CN 201710680830 A CN201710680830 A CN 201710680830A CN 107299894 A CN107299894 A CN 107299894A
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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
Abstract
The present invention relates to a kind of many stand-by pump self-starting logic control circuits selected based on priority, to realize N1The main operation pump of platform and N2The self-starting logic control of platform stand-by pump, many stand-by pump self-starting logic control circuits include priority selecting module, self-starting judge module and signal output module；The priority selecting module includes N1+N2The priority selection submodule of individual pump.The self-starting logic disclosure satisfy that any number of open for (inventory≤N without specifying fixed stand-by pump2) mode pumping unit group, can be according to the operation pump quantity of failure, the stand-by pump of the identical quantity of automatic start；When certain standby pump startup failure, it also can automatically restart a stand-by pump.
Description
Technical field
The present invention relates to a kind of many stand-by pump self-starting logic control circuits selected based on priority.
Background technology
Pump is mainly used in being pressurized, conveyed and being measured for process stream as the power-equipment in technological process, its
Importance is self-evident.Some key links in technological process, pumping unit once goes wrong, during process stream will appear from
It is disconnected, device parking may be caused or even serious accident occur.Therefore, the pumping unit of many important operating modes is designed with stand-by pump.
That is, the standby mode for pump is provided with pump group, existing pump has pump as stand-by pump again as main operation pump, with
Effectively prevent from causing to occur device parking because pump breaks down or even serious accident occur.
When main operation pump goes wrong, by interlock system automatic start stand-by pump, with ensure technical process it is continuous,
It is stable.The standby mode of conventional pumping unit has 1 to open 1 standby (being 1 main operation pump and 1 stand-by pump) etc. at present.For example,
1 standby standby mode is opened for 1, just refers to have a pump as main operation pump, a pump is used as stand-by pump.
Current wide variety of 1, which opens 1 standby stand-by pump self-starting logic, can not meet the control of many stand-by pumps
Demand processed is, it is necessary to which operator carries out more manual intervention, and so causing the standby effect of actual self-starting of stand-by pump can not reach
To expected requirement.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of based on many of priority selection for above-mentioned prior art
Platform stand-by pump self-starting logic control circuit.The self-starting logic disclosure satisfy that N without specifying fixed stand-by pump1Open N2Standby side
The pumping unit group of formula, can be according to the operation pump quantity of failure, the stand-by pump of the identical quantity of automatic start.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：The many stand-by pumps based on priority selection are certainly
Start logic control circuit, to realize N1The main operation pump of platform and N2The self-starting logic control of platform stand-by pump, its feature exists
In it is defeated that many stand-by pump self-startings logic control circuit includes priority selecting module, self-starting judge module and signal
Go out module；Wherein：
The priority selecting module includes the priority selection submodule for N platform pump Pump (i)；N=N1+N2, N >=
4, N1>=2, N2>=2,1≤i≤N, i ∈ Z；
The priority selection submodule of the pump Pump (i) includes the standby selection submodule of one-level to N2Standby selection of level
Module, the standby selection submodule of m levels of the pump Pump (i) includes the first pulse signal generator Pulse (i, m, 1), second
Pulse signal generator Pulse (i, m, 2), the first trigger RS (i, m, 1) and an OR gate OR (i, m)；First arteries and veins
Rush signal generator Pulse (i, m, 1) input connection pump Pump (i) the standby selection soft key of m levels, the first pulse signal
Generator Pulse (i, m, 1) output end connects the first trigger RS (i, m, 1) S ends, and the first trigger RS's (i, m, 1) is defeated
Go out the standby selection shape of the m levels of input and pump Pump (i) that end connects the second pulse signal generator Pulse (i, m, 2) respectively
Not allowing for state signal end BY (i, m), the second pulse signal generator Pulse (i, m, 2) output end connection pump Pump (i) is standby
With signal input part RE (i, m)；The input of the OR gate OR (i, m) connects each j grades respectively does not allow space signal input
RE (j, m), each l grades do not allow space signal input RE (i, l), alternate reset signal RE (i) and one of pump Pump (i)
3rd pulse signal generator Pulse (m, 3) output end, the 3rd pulse signal generator Pulse (m, 3) input connection
There is the standby cancellation soft key of m levels of the priority selecting module, OR gate OR (i, m) output end connects the first trigger RS
The R ends of (i, m, 1)；m∈[1,N2], m ∈ Z；J ∈ [1, N], j ≠ i and j ∈ Z；l∈[1,N2], l ≠ m and l ∈ Z；
The self-starting judge module includes the self-starting judging submodule for N platform pump Pump (i)；The pump Pump
(i) self-starting judging submodule includes the first NOT gate NO (i, 1), the second NOT gate NO (i, 2), the first OR gate OR'(i, 1), the
Two OR gate OR'(i, 2), the 4th pulse signal generator Pulse'(i, 4), first with door AND (i, 1) and the second trigger RS'
(i,2)；The input of the first NOT gate NO (i, 1) is connected with pump Pump (i) remote signal input, the first OR gate OR'
The input of (i, 1) is connected with pump Pump (i) fault-signal input, pump Pump (i) run signal input and
One NOT gate NO (i, 1) output end；The first OR gate OR'(i, 1) output end connection pump Pump (i) alternate reset signal
OR gate OR (i, a m) input in RE (i), RE (i) connection the priority selecting module；The second NOT gate NO (i,
2) input is connected with pump Pump (i) run signal input, and the second NOT gate NO (i, 2) output end connects the 4th respectively
Pulse signal generator Pulse'(i, 4) input and first with door AND (i, a 1) input, first with door AND
Another input of (i, 1) is connected with the output end of a delayer T, delayer T output end the first OR gate of connection OR'(i, 1)
An input, delayer T inputs are connected with standby start up command signals end START (i, 1)；The second OR gate OR'
The input of (i, 2) is connected to the output end and the 4th pulse signal generator Pulse'(i of first and door AND (i, 1),
4) output end, first with door AND (i, 1) output end connection pump Pump (i) standby startup failure indicating module, second or
Door OR'(i, 2) output end connection the second trigger RS'(i, 2) S ends, the second trigger RS'(i, 2) R ends pass through one
5th pulse signal generator Pulse'(5) connection stand-by pump self-starting interlocking resetting button；The second trigger RS'(i,
2) output end connects adder ADD input, and adder ADD output ends are connected to N2Individual high comparator H (m)
Input, the output end of each high comparator H (m) is respectively correspondingly connected with m grades of stand-by pump indicating modules of startup and one
Second and door AND (m) input, second is connected a 3rd trigger RS'(3 with door AND (m) another input)
Output end, the 3rd trigger RS'(3) the one pulse signal generator connection stand-by pump self-starting interlocking of S ends come into operation it is soft
Button, the 3rd trigger RS'(3) R ends one pulse signal generator connection stand-by pump self-starting interlocking excision soft key；
Order of described second and door AND (m) output end through the correspondingly connected m grades of stand-by pumps of startup of a pulse signal generator is believed
Number end；
The signal output module includes the signal output submodule for N platform pump Pump (i)；In pump Pump (i) letter
In number output sub-module, each m grades of standby selection status signal outputs respectively each individually connection one of the pump Pump (i)
Individual 3rd and door AND (i, m, 3) first input end, the 3rd and door AND (i, m, 3) the second input connection correspondence starts m
The command signal end of level stand-by pump, the described 3rd and door AND (i, m, 3) output end is connected with the defeated of the 3rd OR gate OR " (i, 3)
Enter end, the 3rd OR gate OR " (i, 3) output end connects pump Pump (i) the standby start up command signals START of the first via respectively
(i, 1) and pump Pump (i) the standby start up command signals START in the second tunnel (i, 2).
With improvement, in many stand-by pumps self-starting logic control circuit, the time delay of the delayer T is 5
Second.
Further, in the pump Pump (i) of priority selecting module priority selection submodule, described first
Pulse signal generator Pulse (i, m, 1) pulse generating time is 1s, the second pulse signal generator Pulse's (i, m, 2)
Pulse generating time is 2s, and the 3rd pulse signal generator Pulse (m, 3) pulse generating time is 2s；The high comparator H
(m) threshold value in is set as m；
In the pump Pump (i) of self-starting judge module self-starting judging submodule, the 4th pulse signal occurs
Device Pulse'(i, 4) pulse generating time be 2s, the come into operation pulse signal of soft key of connection stand-by pump self-starting interlocking occurs
The pulse generating time of device is 1s, the pulse generation of the pulse signal generator of connection stand-by pump self-starting interlocking excision soft key
Time is 2s, the 5th pulse signal generator Pulse'(5) pulse generating time be 2s；Described second is defeated with door AND (m)
The pulse generating time of the pulse signal generator gone out between end and the command signal end for starting m grades of stand-by pumps is 15s.
Preferably, in many stand-by pumps self-starting logic control circuit, R ends are satisfied by each trigger
Trigger the triggering priority that priority is higher than S ends.
Compared with prior art, the advantage of the invention is that：
First, many stand-by pump self-starting logics in the present invention can be to N1The main operation pump of platform and N2Stand-by pump is carried out
Booting-self controller；
Secondly, with N1+N2, can optionally N in the pumping unit group of platform pump2Platform and following pump as stand-by pump, without
Fixed pump pump is specified, it is ensured that the working time number of every pump is roughly the same, so as to avoid when causing to work between each pump
Between unbalanced problem；
Again, when pumping unit group breaks down, many stand-by pump self-starting logic control circuits in the present invention can
According to the operation pump quantity of failure, the stand-by pump of the identical quantity of automatic start, it is ensured that technological process fluctuation is minimum；When certain
Standby pump startup failure, also can automatically restart a stand-by pump, so as to improve the reliability of stand-by pump.
Brief description of the drawings
Fig. 1 is the module signal of many stand-by pump self-starting logic control circuits selected in the present invention based on priority
Figure；
Fig. 2 is the priority selecting module connection of many stand-by pump self-starting logic control circuits in the embodiment of the present invention one
Schematic diagram；
Fig. 3 is the self-starting judge module connection of many stand-by pump self-starting logic control circuits in the embodiment of the present invention one
Schematic diagram；
Fig. 4 is that the signal output module connection of many stand-by pump self-starting logic control circuits in the embodiment of the present invention one is shown
It is intended to；
Fig. 5 is the priority selecting module connection of many stand-by pump self-starting logic control circuits in the embodiment of the present invention two
Schematic diagram；
Fig. 6 is the self-starting judge module connection of many stand-by pump self-starting logic control circuits in the embodiment of the present invention two
Schematic diagram；
Fig. 7 is that the signal output module connection of many stand-by pump self-starting logic control circuits in the embodiment of the present invention two is shown
It is intended to.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one
As shown in Figures 2 to 4, many stand-by pump self-starting logic controls selected based on priority in the present embodiment one
Circuit, the self-starting logic control to realize 3 main operation pumps and 2 stand-by pumps, many stand-by pump self-starting logics
Circuit is controlled to include priority selecting module, self-starting judge module and signal output module；Assuming that all main operation pumps are
Started from scene, self-starting logic control circuit is by the standby of a certain or a few stand-by pump of needs startup
Start order to send；Wherein：
Priority selecting module includes the priority selection submodule for 5 pump Pump (i)；N=3+2, i.e. N=5, N1
>=2, N2>=2,1≤i≤5, i ∈ Z；That is, the quantity N of main operation pump1=3, the quantity N of stand-by pump2=2；
Specifically, for First pump, i.e., as i=1, First pump is labeled as Pump (1), and pump Pump's (1) is preferential
Level selection submodule includes the standby selection submodule of one-level and two grades of standby selection submodules；Wherein：
The standby selection submodule of pump Pump (1) one-level includes the first pulse signal generator Pulse (1,1,1), the
Two pulse signal generator Pulse (1,1,2), the first trigger RS (1,1,1) and an OR gate OR (1,1)；First pulse
Signal generator Pulse (1,1,1) input connection pump Pump (1) the standby selection soft key of one-level, the first pulse signal
Generator Pulse (1,1,1) output end connects the first trigger RS (1,1,1) S ends, and the first trigger RS's (1,1,1) is defeated
Go out the standby selection shape of the one-level of input and pump Pump (1) that end connects the second pulse signal generator Pulse (1,1,2) respectively
Not allowing for state signal end BY (1,1), the second pulse signal generator Pulse (1,1,2) output end connection pump Pump (1) is standby
With signal input part RE (1,1)；OR gate OR (1,1) input connect respectively two grades do not allow space signal input RE (2,
1), three-level does not allow space signal input RE (3,1), level Four not to allow space signal input RE (4,1), Pyatyi not to allow
Space signal input RE (5,1), two grades do not allow space signal input RE (1,2), pump Pump (1) alternate reset signal
RE (1) and a 3rd pulse signal generator Pulse (1,3) output end, the 3rd pulse signal generator Pulse (1,
3) input is connected with the standby cancellation soft key of one-level of priority selecting module, OR gate OR (1,1) output end connection the
One trigger RS (1,1,1) R ends；
When the first trigger RS (1,1,1) output signal is 1, control system picture shows that " pump Pump (1) one-level is standby
With "；
Two grades of pump Pump (1) standby selection submodules include the first pulse signal generator Pulse (1,2,1), the
Two pulse signal generator Pulse (1,2,2), the first trigger RS (1,2,1) and an OR gate OR (1,2)；First pulse
Signal generator Pulse (1,2,1) input connection pump Pump (1) two grades of standby selection soft key, the first pulse signal
Generator Pulse (1,2,1) output end connects the first trigger RS (1,2,1) S ends, and the first trigger RS's (1,2,1) is defeated
Go out end and connect the second pulse signal generator Pulse (1,2,2) input and pump Pump (1) two grades of standby selection shapes respectively
Not allowing for state signal end BY (1,2), the second pulse signal generator Pulse (1,2,2) output end connection pump Pump (1) is standby
With signal input part RE (1,2)；OR gate OR (1,2) input connect respectively two grades do not allow space signal input RE (2,
2), three-level does not allow space signal input RE (3,2), level Four not to allow space signal input RE (4,2), Pyatyi not to allow
Space signal input RE (5,2), one-level do not allow space signal input RE (1,1), pump Pump (1) alternate reset signal
RE (1) and a 3rd pulse signal generator Pulse (2,3) output end, the 3rd pulse signal generator Pulse (2,
3) input is connected with two grades of standby cancellation soft key of priority selecting module, OR gate OR (1,2) output end connection the
One trigger RS (1,2,1) R ends；
When the first trigger RS (1,2,1) output signal is 1, control system picture shows that " (1) two grade of pump Pump is standby
With "；
As for second pump, i.e., as i=2, second pump is labeled as Pump (2), pump Pump (2) priority selection
Module includes the standby selection submodule of one-level and two grades of standby selection submodules；Wherein：
The standby selection submodule of pump Pump (2) one-level includes the first pulse signal generator Pulse (2,1,1), the
Two pulse signal generator Pulse (2,1,2), the first trigger RS (2,1,1) and an OR gate OR (2,1)；First pulse
Signal generator Pulse (2,1,1) input connection pump Pump (2) the standby selection soft key of one-level, the first pulse signal
Generator Pulse (2,1,1) output end connects the first trigger RS (2,1,1) S ends, and the first trigger RS's (2,1,1) is defeated
Go out the standby selection shape of the one-level of input and pump Pump (2) that end connects the second pulse signal generator Pulse (2,1,2) respectively
Not allowing for state signal end BY (2,1), the second pulse signal generator Pulse (2,1,2) output end connection pump Pump (2) is standby
With signal input part RE (2,1)；OR gate OR (2,1) input connect respectively one-level do not allow space signal input RE (1,
1), three-level does not allow space signal input RE (3,1), level Four not to allow space signal input RE (4,1), Pyatyi not to allow
Space signal input RE (5,1), two grades do not allow space signal input RE (2,2), pump Pump (2) alternate reset signal
RE (2) and a 3rd pulse signal generator Pulse (1,3) output end, the 3rd pulse signal generator Pulse (1,
3) input is connected with the standby cancellation soft key of one-level of priority selecting module, OR gate OR (2,1) output end connection the
One trigger RS (2,1,1) R ends；
Two grades of pump Pump (2) standby selection submodules include the first pulse signal generator Pulse (2,2,1), the
Two pulse signal generator Pulse (2,2,2), the first trigger RS (2,2,1) and an OR gate OR (2,2)；First pulse
Signal generator Pulse (2,2,1) input connection pump Pump (2) two grades of standby selection soft key, the first pulse signal
Generator Pulse (2,2,1) output end connects the first trigger RS (2,2,1) S ends, and the first trigger RS's (2,2,1) is defeated
Go out end and connect the second pulse signal generator Pulse (2,2,2) input and pump Pump (2) two grades of standby selection shapes respectively
Not allowing for state signal end BY (2,2), the second pulse signal generator Pulse (2,2,2) output end connection pump Pump (2) is standby
With signal input part RE (2,2)；OR gate OR (2,2) input connect respectively one-level do not allow space signal input RE (1,
2), three-level does not allow space signal input RE (3,2), level Four not to allow space signal input RE (4,2), Pyatyi not to allow
Space signal input RE (5,2), one-level do not allow space signal input RE (2,1), pump Pump (2) alternate reset signal
RE (2) and a 3rd pulse signal generator Pulse (2,3) output end, the 3rd pulse signal generator Pulse (2,
3) input is connected with two grades of standby cancellation soft key of priority selecting module, OR gate OR (2,2) output end connection the
One trigger RS (2,2,1) R ends；
As for distinguishing corresponding in the 3rd pump Pump (3), the 4th pump Pump (4) and the 5th pump Pump (5)
The priority selection submodule that priority selection sub-modular structure situation is analogized in pump Pump (1) or pump Pump (2) can obtain,
Here is omitted；
Priority selecting module, is responsible for realizing the selection of stand-by pump and the setting of priority level；For example, for 3 main fortune
The pump group of row pump and 2 stand-by pumps, priority selecting module is used to select 2 pumps therein as stand-by pump, and simultaneous selection is standby
With which platform in pump as one-level stand-by pump, which platform stand-by pump is used as two grades of stand-by pumps；Once it have selected a stand-by pump
After one-level stand-by pump, other grade of stand-by pump cannot be used as the pump of one-level stand-by pump；
In the present embodiment, self-starting judge module includes judging for the self-starting of 5 pump Pump (1) to Pump (5)
Submodule；Wherein：
First pump Pump (1) self-starting judging submodule include the first NOT gate NO (1,1), the second NOT gate NO (1,2),
First OR gate OR'(1,1), the second OR gate OR'(1,2), the 4th pulse signal generator Pulse'(1,4), first with door AND
(1,1) and the second trigger RS'(1,2)；The remote signal that first NOT gate NO (1,1) input is connected with pump Pump (1) is defeated
Enter end, the first OR gate OR'(1,1) input be connected with pump Pump (1) fault-signal input, pump Pump (1) operation
The output end of signal input part and the first NOT gate NO (1,1)；First OR gate OR'(1,1) output end connection pump Pump (1)
OR gate OR (1,1), OR gate OR (1,2) input in alternate reset signal RE (1), RE (1) connection priority selecting module
End；Second NOT gate NO (1,2) input is connected with pump Pump (1) run signal input, and the second NOT gate NO's (1,2) is defeated
Go out end and connect the 4th pulse signal generator Pulse'(1,4 respectively) input and first with one of door AND (1,1) it is defeated
Enter end, first and door AND (1,1) another input is connected with the output end of a delayer T, delayer T output end connection
First OR gate OR'(1,1) an input, delayer T inputs are connected with standby start up command signals end START (1,1)；
Second OR gate OR'(1,2) input be connected to first and occur with door AND (1,1) output end and the 4th pulse signal
Device Pulse'(1,4) output end, first unsuccessfully indicates with door AND (1,1) output end connection pump Pump (1) standby startup
Module, the second OR gate OR'(1,2) output end the second trigger of connection RS'(1,2) S ends, the second trigger RS'(1,2)
R ends pass through a 5th pulse signal generator Pulse'(5) connection stand-by pump self-starting interlocking resetting button；Second trigger
RS'(1,2) output end connect adder ADD input, adder ADD output ends are connected to 2 high comparisons
Device H (1), H (2) input, high comparator H (1) output end is correspondingly connected have startup one-level stand-by pump indicating module with
And one second with door AND (1) input, second is connected the 3rd trigger with door AND (1) another input
RS'(3 output end), the 3rd trigger RS'(3) the one pulse signal generator connection stand-by pump self-starting interlocking of S ends
Come into operation soft key, the 3rd trigger RS'(3) the one pulse signal generator connection stand-by pump self-starting interlocking excision of R ends
Soft key；Second and door AND (1) output end is through the correspondingly connected life for starting one-level stand-by pump of a pulse signal generator
Make signal end；Accordingly, high comparator H (2) output end is correspondingly connected has two grades of stand-by pump indicating modules of startup and another
One input of one second and door AND (2), second is connected the 3rd trigger with door AND (2) another input
RS'(3 output end), the 3rd trigger RS'(3) the one pulse signal generator connection stand-by pump self-starting interlocking of S ends
Come into operation soft key, the 3rd trigger RS'(3) the one pulse signal generator connection stand-by pump self-starting interlocking excision of R ends
Soft key；Second and door AND (2) output end is through the correspondingly connected life for starting two grades of stand-by pumps of a pulse signal generator
Make signal end；
When pump Pump (1) first and door AND (1,1) output signal is 1, control system picture shows " pump Pump
(1) standby startup failure " simultaneously sends alarm；Analogize and understand, be with door AND (2,1) output signal when the first of pump Pump (2)
When 1, control system picture shows " pump Pump (2) is standby to start failure " and sends alarm；
Analogize pump Pump (1) as self-starting judging submodule of second pump Pump (2) into the 5th pump Pump (5)
In startup judging submodule be that can obtain, here is omitted；
Self-starting judge module, by the stand-by pump number for calculating the main operation pump quantity broken down and standby startup failure
Amount, accurately sends order and starts certain grade of stand-by pump or while start many stand-by pumps；For example, it is standby to start firsts and seconds simultaneously
Pump, while two grades of startup, three-level and level Four stand-by pump, while starting all stand-by pumps.
In the present embodiment, signal output module includes the signal output submodule for 5 pump Pump (1) to Pump (5)
Block；Wherein, in First pump Pump (1) signal output submodule：
Pump Pump (1) the standby selection status signal output of one-level individually connects one the 3rd with door AND's (1,1,3)
First input end, the 3rd and door AND (1,1,3) the second input connection correspondence starts the command signal end of one-level stand-by pump,
3rd and door AND (1,1,3) output end is connected with the 3rd OR gate OR " (1,3) input；Two grades of pump Pump (1) are standby
The first input end for selecting status signal output individually to connect one the 3rd and door AND (1,2,3), the 3rd and door AND (1,2,
3) the second input connection correspondence starts the command signal end of two grades of stand-by pumps, and the 3rd and door AND (1,2,3) output end connects
It is connected to the 3rd OR gate OR " (1,3) input；3rd OR gate OR " (1,3) output end connects the first of pump Pump (1) respectively
The standby start up command signals START (1,1) in road and pump Pump (1) the standby start up command signals START (1,2) in the second tunnel；
Enter for pump Pump (2) to pump Pump (5) signal output submodule referring to Pump (1) signal output submodule
Row is analogized, and here is omitted：
Wherein, in many stand-by pump self-starting logic control circuits in the present embodiment one, delayer T time delay
For 5 seconds.
For any i-th of pump Pump (i), the corresponding first pulse signal generator Pulse of any pump Pump (i) (i,
M, 1) pulse generating time be 1s, the second pulse signal generator Pulse (i, m, 2) pulse generating time is 2s, the 3rd
Pulse signal generator Pulse (m, 3) pulse generating time is 2s；Threshold value in high comparator H (m) is set as m.For example,
The threshold value that threshold value in high comparator H (1) is set as in 1, high comparator H (2) is set as 2.The calculating output result of adder
For a, a represents the stand-by pump quantity for needing to start, and is shown " need to start a platforms stand-by pump " in control system picture.As a >=1,
High comparator H (1) output result is 1, and control system picture shows " starting one-level stand-by pump " and sends alarm；When a >=2
When, high comparator H (2) output result is 1, and control system picture shows " starting two grades of stand-by pumps " and sends alarm.
In addition, in the self-starting judging submodule of any pump Pump (i), the 4th pulse signal generator Pulse'(i,
4) pulse generating time is 2s, and the self-starting of connection stand-by pump interlocks the pulse generation of the pulse signal generator for the soft key that comes into operation
Time is 1s, and the pulse generating time of the pulse signal generator of connection stand-by pump self-starting interlocking excision soft key is 2s, the
Five pulse signal generator Pulse'(5) pulse generating time be 2s；Second is standby with m grades of door AND (m) output end and startup
Pulse generating time with the pulse signal generator between the command signal end of pump is 15s.
Wherein it is preferred to, it is full in each trigger in many stand-by pump self-starting logic control circuits of the present embodiment
The triggering priority at sufficient R ends is higher than the triggering priority at S ends.
The present embodiment one include the pump groups of 5 pumps by 3 as main operation pump 2 as stand-by pump in the way of transport
OK：Startup one-level stand-by pump order is sent when there is 1 main operation failure of pump, is sent out when occurring 1 main operation failure of pump again
Go out to start two grades of stand-by pump orders, will continue to send two grades of stand-by pump orders of startup when the failure of one-level standby pump startup, when going out
Existing 2 main operation pump simultaneous faults are then simultaneously emitted by starting the order of one-level stand-by pump and start two grades of stand-by pump orders.
Operating procedure using many stand-by pump self-starting logics selected in the present embodiment one based on priority is as follows：
(1) before the pump group for including 3 main operation pumps and 2 stand-by pumps is started, stand-by pump self-starting interlocking is first clicked on
Cut off soft key, the self-starting interlocking of excision stand-by pump：
(2) the standby cancellation soft key of one-level and two grades of standby cancellation soft key are clicked on；
(3) by site operation people's startup optimization pump, it is assumed that scene starts pump Pump (1), pump Pump (2) and pump Pump
(3)；
(4) operator of control system manually selects stand-by pump according to operation planning, for example, thinking that selection pump Pump (4) is
One-level stand-by pump, selection pump Pump (5) is two grades of stand-by pumps, then click on pump Pump (4) the standby selection soft key of one-level and
Pump Pump (5) two grades of standby selection soft key, while the standby selection status signal end BY of pump Pump (4) one-level (4,
1) it is 1 with the output state of Pump (5) two grades of standby selection status signal end BY (5,2)；
(5) stand-by pump self-starting interlocking resetting soft key is clicked on；
(6) click on stand-by pump self-starting and interlock the soft key that comes into operation；
(7) when a certain main operation pump is out of service, pump Pump will be started immediately by starting one-level stand-by pump command signal
(4)；As occurred again, a main operation pump is out of service or standby start of pump Pump (4) fails, and starts two grades of stand-by pump orders
Signal will start pump Pump (5) immediately；
(8) it is simultaneously out of service if there is two main operation pumps, pump Pump (4) and pump Pump (5) will be started simultaneously；
(9) when control system picture shows " starting two grades of stand-by pumps " and sends alarm, operator should confirm each pump
State, reselects the priority and reset interlock of stand-by pump, if be able to should be cut off as standby without suitable pump
Interlocking.
Embodiment two
As shown in Figures 5 to 7, many stand-by pump self-starting logic controls selected based on priority in the present embodiment two
Circuit, the self-starting logic control to realize 4 main operation pumps and 4 stand-by pumps, many stand-by pump self-starting logics
Circuit is controlled to include priority selecting module, self-starting judge module and signal output module；Wherein：
Priority selecting module includes the priority selection submodule for 8 pump Pump (i)；N=4+4, i.e. N=8, N1
>=2, N2>=2,1≤i≤8, i ∈ Z；That is, the quantity N of main operation pump1=4, the quantity N of stand-by pump2=4；
Specifically, for First pump, i.e., as i=1, First pump is labeled as Pump (1), and pump Pump's (1) is preferential
Level selection submodule includes the standby selection submodule of one-level to the standby selection submodule of level Four；Wherein：
The standby selection submodule of pump Pump (1) one-level includes the first pulse signal generator Pulse (1,1,1), the
Two pulse signal generator Pulse (1,1,2), the first trigger RS (1,1,1) and an OR gate OR (1,1)；First pulse
Signal generator Pulse (1,1,1) input connection pump Pump (1) the standby selection soft key of one-level, the first pulse signal
Generator Pulse (1,1,1) output end connects the first trigger RS (1,1,1) S ends, and the first trigger RS's (1,1,1) is defeated
Go out the standby selection shape of the one-level of input and pump Pump (1) that end connects the second pulse signal generator Pulse (1,1,2) respectively
Not allowing for state signal end BY (1,1), the second pulse signal generator Pulse (1,1,2) output end connection pump Pump (1) is standby
With signal input part RE (1,1)；OR gate OR (1,1) input connect respectively two grades do not allow space signal input RE (2,
1), three-level does not allow space signal input RE (3,1), level Four not to allow space signal input RE (4,1), Pyatyi not to allow
Space signal input RE (5,1), six grades do not allow space signal input RE (6,1), seven grades do not allow space signal to input
End RE (7,1), eight grades do not allow space signal input RE (8,1), two grades do not allow space signal input RE (1,2), three
Level do not allow space signal input RE (1,3), level Four do not allow space signal input RE (1,4), pump Pump (1) it is standby
Reset signal RE (1) and a 3rd pulse signal generator Pulse (1,3) output end, the 3rd pulse signal generator
Pulse (1,3) input is connected with the standby cancellation soft key of one-level of priority selecting module, OR gate OR (1,1) output
The first trigger RS (1,1,1) of end connection R ends；
When the first trigger RS (1,1,1) output signal is 1, control system picture shows that " pump Pump (1) one-level is standby
With "；
Two grades of pump Pump (1) standby selection submodules include the first pulse signal generator Pulse (1,2,1), the
Two pulse signal generator Pulse (1,2,2), the first trigger RS (1,2,1) and an OR gate OR (1,2)；First pulse
Signal generator Pulse (1,2,1) input connection pump Pump (1) two grades of standby selection soft key, the first pulse signal
Generator Pulse (1,2,1) output end connects the first trigger RS (1,2,1) S ends, and the first trigger RS's (1,2,1) is defeated
Go out end and connect the second pulse signal generator Pulse (1,2,2) input and pump Pump (1) two grades of standby selection shapes respectively
Not allowing for state signal end BY (1,2), the second pulse signal generator Pulse (1,2,2) output end connection pump Pump (1) is standby
With signal input part RE (1,2)；OR gate OR (1,2) input connect respectively two grades do not allow space signal input RE (2,
2), three-level does not allow space signal input RE (3,2), level Four not to allow space signal input RE (4,2), Pyatyi not to allow
Space signal input RE (5,2), six grades do not allow space signal input RE (6,2), seven grades do not allow space signal to input
End RE (7,2), eight grades do not allow space signal input RE (8,2), one-level not to allow space signal input RE (1,1), three
Level do not allow space signal input RE (1,3), level Four do not allow space signal input RE (1,4), pump Pump (1) it is standby
Reset signal RE (1) and a 3rd pulse signal generator Pulse (2,3) output end；3rd pulse signal generator
Pulse (2,3) input is connected with two grades of standby cancellation soft key of priority selecting module, OR gate OR (1,2) output
The first trigger RS (1,2,1) of end connection R ends；
When the first trigger RS (1,2,1) output signal is 1, control system picture shows that " (1) two grade of pump Pump is standby
With "；
Pump Pump (1) the standby selection submodule of three-level refers to pump Pump to the standby selection submodule situation of level Four
(1) two grades of standby selection submodules or the standby selection submodule connection of one-level are analogized, and here is omitted；
Priority selecting module, is responsible for realizing the selection of stand-by pump and the setting of priority level；For example, for 4 main fortune
The pump group of row pump and 4 stand-by pumps, priority selecting module is used to select 4 pumps therein as stand-by pump, and simultaneous selection is standby
With which platform in pump as one-level stand-by pump, which platform stand-by pump is used as two grades of stand-by pumps；Once it have selected a stand-by pump
After one-level stand-by pump, other grade of stand-by pump cannot be used as the pump of one-level stand-by pump；
In the present embodiment, self-starting judge module includes judging for the self-starting of 8 pump Pump (1) to Pump (8)
Submodule；Wherein：
First pump Pump (1) self-starting judging submodule include the first NOT gate NO (1,1), the second NOT gate NO (1,2),
First OR gate OR'(1,1), the second OR gate OR'(1,2), the 4th pulse signal generator Pulse'(1,4), first with door AND
(1,1) and the second trigger RS'(1,2)；The remote signal that first NOT gate NO (1,1) input is connected with pump Pump (1) is defeated
Enter end, the first OR gate OR'(1,1) input be connected with pump Pump (1) fault-signal input, pump Pump (1) operation
The output end of signal input part and the first NOT gate NO (1,1)；First OR gate OR'(1,1) output end connection pump Pump (1)
OR gate OR (1,1) in alternate reset signal RE (1), RE (1) connection priority selecting module, OR gate OR (1,2), OR gate OR (1,
3), OR gate OR (1,4) input；The run signal that second NOT gate NO (1,2) input is connected with pump Pump (1) is defeated
Enter end, the second NOT gate NO (1,2) output end connects the 4th pulse signal generator Pulse'(1,4 respectively) input and
First and door AND (1, a 1) input, first and door AND (1,1) another input is connected with the defeated of a delayer T
Go out end, delayer T output end connection the first OR gate OR'(1,1) an input, delayer T inputs are connected with standby
Start up command signals end START (1,1)；Second OR gate OR'(1,2) input be connected to first with door AND (1,1)
Output end and the 4th pulse signal generator Pulse'(1,4) output end, first with door AND (1,1) output end connection pump
Pump (1) standby startup failure indicating module, the second OR gate OR'(1,2) output end the second trigger of connection RS'(1,2)
S ends, the second trigger RS'(1,2) R ends pass through a 5th pulse signal generator Pulse'(5) connection stand-by pump from
Start interlocking resetting button；Second trigger RS'(1,2) output end connect adder ADD input, adder
ADD output ends are connected to 8 high comparator H (1) to the input of H (8), and high comparator H (1) output end accordingly connects
It is connected to and starts one-level stand-by pump indicating module and an input of one second and door AND (1), second with door AND's (1)
Another input connects a 3rd trigger RS'(3) output end, the 3rd trigger RS'(3) one, S ends pulse letter
The connection stand-by pump self-starting interlocking of number generator comes into operation soft key, the 3rd trigger RS'(3) one, R ends pulse signal hair
Raw device connection stand-by pump self-starting interlocking excision soft key；Second and door AND (1) output end is through a pulse signal generator
The correspondingly connected command signal end for starting one-level stand-by pump；Accordingly, high comparator H (2) output end is correspondingly connected has
Start two grades of stand-by pump indicating modules and another is second another with door AND (2) with door AND (2) input, second
One input connect a 3rd trigger RS'(3) output end, the 3rd trigger RS'(3) one, S ends pulse signal
Generator connection stand-by pump self-starting interlocking comes into operation soft key, the 3rd trigger RS'(3) one, R ends pulse signal occur
Device connection stand-by pump self-starting interlocking excision soft key；Second and door AND (2) output end is through a pulse signal generator pair
Ground connection is answered to start the command signal end of two grades of stand-by pumps；Similarly, high comparator H (3) to H (8) output end connection
Referring to high comparator H (1) or H (2)；
When pump Pump (1) first and door AND (1,1) output signal is 1, control system picture shows " pump Pump
(1) standby startup failure " simultaneously sends alarm；Analogize and understand, be with door AND (2,1) output signal when the first of pump Pump (2)
When 1, control system picture shows " pump Pump (2) is standby to start failure " and sends alarm；
Analogize pump Pump (1) as self-starting judging submodule of second pump Pump (2) into the 8th pump Pump (8)
In startup judging submodule be that can obtain, here is omitted；
Self-starting judge module, by the stand-by pump number for calculating the main operation pump quantity broken down and standby startup failure
Amount, accurately sends order and starts certain grade of stand-by pump or while start many stand-by pumps；For example, it is standby to start firsts and seconds simultaneously
Pump, while two grades of startup, three-level and level Four stand-by pump, while starting all stand-by pumps.
In the present embodiment two, signal output module includes signal output for 8 pump Pump (1) to Pump (8)
Module；Wherein, in First pump Pump (1) signal output submodule：
Pump Pump (1) the standby selection status signal output of one-level individually connects one the 3rd with door AND's (1,1,3)
First input end, the 3rd and door AND (1,1,3) the second input connection correspondence starts the command signal end of one-level stand-by pump,
3rd and door AND (1,1,3) output end is connected with the 3rd OR gate OR " (1,3) input；Two grades of pump Pump (1) are standby
The first input end for selecting status signal output individually to connect one the 3rd and door AND (1,2,3), the 3rd and door AND (1,2,
3) the second input connection correspondence starts the command signal end of two grades of stand-by pumps, and the 3rd and door AND (1,2,3) output end connects
It is connected to the 3rd OR gate OR " (1,3) input；Pump Pump (1) the standby selection status signal output of three-level individually connection one
Individual 3rd and door AND (1,3,3) first input end, the 3rd and door AND (1,3,3) the second input connection correspondence starts three
The command signal end of level stand-by pump, the 3rd and door AND (1,3,3) output end is connected with the 3rd OR gate OR " (1,3) input
End；Pump Pump (1) the standby selection status signal output of level Four individually connects the first of one the 3rd and door AND (1,4,3)
Input, the 3rd and door AND (Isosorbide-5-Nitrae, 3) the second input connection correspondence starts the command signal end of level Four stand-by pump, the 3rd
The 3rd OR gate OR " (1,3) input is connected with door AND (1,4,3) output end；3rd OR gate OR " (1,3) output end
Connection pump Pump (1) the standby start up command signals START (1,1) of the first via and pump Pump (1) the second tunnel standby are opened respectively
Dynamic command signal START (1,2)；
Enter for pump Pump (2) to pump Pump (8) signal output submodule referring to Pump (1) signal output submodule
Row is analogized, and here is omitted：
Wherein, in many stand-by pump self-starting logic control circuits in the present embodiment two, delayer T time delay
For 5 seconds；
For any i-th of pump Pump (i), the corresponding first pulse signal generator Pulse of any pump Pump (i) (i,
M, 1) pulse generating time be 1s, the second pulse signal generator Pulse (i, m, 2) pulse generating time is 2s, the 3rd
Pulse signal generator Pulse (m, 3) pulse generating time is 2s；Threshold value in high comparator H (m) is set as m.For example,
The threshold value that threshold value in high comparator H (1) is set as in 1, high comparator H (2) is set as the threshold value in 2, high comparator H (8)
It is set as 8.The calculating output result of adder is a, and a represents the stand-by pump quantity for needing to start, and aobvious in control system picture
Show " a platforms stand-by pump need to be started ".As a >=1, high comparator H (1) output result is 1, and control system picture show " startup
One-level stand-by pump " simultaneously sends alarm；As a >=2, high comparator H (2) output result is 1, and control system picture, which is shown, " to be opened
Dynamic two grades of stand-by pumps " simultaneously send alarm；As a >=3, high comparator H (3) output result is 1, and control system picture is shown
" starting three-level stand-by pump " and send alarm；As a >=4, high comparator H (4) output result is 1, and control system picture shows
Show " starting level Four stand-by pump " and send alarm.
In addition, in the self-starting judging submodule of any pump Pump (i), the 4th pulse signal generator Pulse'(i,
4) pulse generating time is 2s, and the self-starting of connection stand-by pump interlocks the pulse generation of the pulse signal generator for the soft key that comes into operation
Time is 1s, and the pulse generating time of the pulse signal generator of connection stand-by pump self-starting interlocking excision soft key is 2s, the
Five pulse signal generator Pulse'(5) pulse generating time be 2s；Second is standby with m grades of door AND (m) output end and startup
Pulse generating time with the pulse signal generator between the command signal end of pump is 15s.
Wherein it is preferred to, it is full in each trigger in many stand-by pump self-starting logic control circuits of the present embodiment
The triggering priority at sufficient R ends is higher than the triggering priority at S ends.
The present embodiment two include the pump groups of 8 pumps by 4 as main operation pump 4 as stand-by pump in the way of transport
OK：Startup one-level stand-by pump order is sent when there is 1 main operation failure of pump, is sent out when occurring 1 main operation failure of pump again
Go out to start two grades of stand-by pump orders, will continue to send two grades of stand-by pump orders of startup when the failure of one-level standby pump startup, when going out
Existing 2 main operation pump simultaneous faults are then simultaneously emitted by starting the order of one-level stand-by pump and start two grades of stand-by pump orders.
Operating procedure using many stand-by pump self-starting logics selected in the present embodiment two based on priority is as follows：
(1) before the pump group for including 4 main operation pumps and 4 stand-by pumps is started, stand-by pump self-starting interlocking is first clicked on
Cut off soft key, the self-starting interlocking of excision stand-by pump：
(2) click on one-level it is standby cancel soft key, two grades standby cancel that soft key, three-level are standby to cancel soft key and level Four
Standby cancellation soft key；
(3) by site operation people's startup optimization pump, it is assumed that scene starts pump Pump (1), pump Pump (3), pump Pump (5)
With pump Pump (7)；
(4) operator of control system manually selects stand-by pump according to operation planning, for example, thinking that selection pump Pump (2) is
One-level stand-by pump, selection pump Pump (4) is two grades of stand-by pumps, and selection pump Pump (6) is three-level stand-by pump, selection pump Pump (8)
For level Four stand-by pump, then two grades of standby selections for clicking on pump Pump (2) the standby selection soft key of one-level, pump Pump (4) are soft
The standby selection soft key of level Four of button, Pump (6) the standby selection soft key of three-level and Pump (8), while pump Pump
(2) the standby selection status signal end BY (2,1) of one-level, Pump (4) two grades of standby selection status signal end BY (4,2),
Pump (6) the standby selection status signal end BY (6,3) of three-level and the standby selection status signal end BY of Pump (8) level Four (8,
4) output state is 1；
(5) stand-by pump self-starting interlocking resetting soft key is clicked on；
(6) click on stand-by pump self-starting and interlock the soft key that comes into operation；
(7) when a certain main operation pump is out of service, pump Pump will be started immediately by starting one-level stand-by pump command signal
(2)；As occurred again, a main operation pump is out of service or standby start of pump Pump (2) fails, and starts two grades of stand-by pump orders
Signal will start pump Pump (4) immediately；As occurred again, a main operation pump is out of service or standby start of pump Pump (4) is lost
Lose, pump Pump (6) will be started immediately by starting three-level stand-by pump command signal；
(8) it is simultaneously out of service if there is two main operation pumps, pump Pump (2) and pump Pump (4) will be started simultaneously；Such as
The main operation pumps of fruit appearance three are simultaneously out of service, will start pump Pump (2), pump Pump (4) and pump Pump (6) simultaneously；
(9) when control system picture shows " starting level Four stand-by pump " and sends alarm, operator should confirm each pump
State, reselects the priority and reset interlock of stand-by pump, if be able to should be cut off as standby without suitable pump
Interlocking.
Claims (4)
1. many stand-by pump self-starting logic control circuits selected based on priority, to realize N1The main operation pump of platform and N2
The self-starting logic control of platform stand-by pump, it is characterised in that many stand-by pump self-startings logic control circuit includes preferential
Level selecting module, self-starting judge module and signal output module；Wherein：
The priority selecting module includes the priority selection submodule for N platform pump Pump (i)；N=N1+N2, N >=4, N1
>=2, N2>=2,1≤i≤N, i ∈ Z；
The priority selection submodule of the pump Pump (i) includes the standby selection submodule of one-level to N2The standby selection submodule of level,
The standby selection submodule of m levels of the pump Pump (i), which includes the first pulse signal generator Pulse (i, m, 1), the second pulse, to be believed
Number generator Pulse (i, m, 2), the first trigger RS (i, m, 1) and an OR gate OR (i, m)；First pulse signal
Generator Pulse (i, m, 1) input connection pump Pump (i) the standby selection soft key of m levels, the first pulse signal generator
Pulse (i, m, 1) output end connects the first trigger RS (i, m, 1) S ends, the first trigger RS (i, m, 1) output end point
The second pulse signal generator Pulse (i, m, 2) the standby selection status signal of the m levels of input and pump Pump (i) is not connected
BY (i, m) is held, the second pulse signal generator Pulse (i, m, 2) output end connection pump Pump's (i) does not allow space signal
Input RE (i, m)；The input of the OR gate OR (i, m) connect respectively each j grades do not allow space signal input RE (j,
M), each l grades do not allow space signal input RE (i, l), alternate reset signal RE (i) and one the 3rd of pump Pump (i)
Pulse signal generator Pulse (m, 3) output end, the 3rd pulse signal generator Pulse (m, 3) input connection is
State the standby cancellation soft key of m levels of priority selecting module, OR gate OR (i, m) output end connect the first trigger RS (i, m,
1) R ends；m∈[1,N2], m ∈ Z；J ∈ [1, N], j ≠ i and j ∈ Z；l∈[1,N2], l ≠ m and l ∈ Z；
The self-starting judge module includes the self-starting judging submodule for N platform pump Pump (i)；The pump Pump (i)
Self-starting judging submodule includes the first NOT gate NO (i, 1), the second NOT gate NO (i, 2), the first OR gate OR'(i, 1), the second OR gate
OR'(i, 2), the 4th pulse signal generator Pulse'(i, 4), first with door AND (i, 1) and the second trigger RS'(i, 2)；
The input of the first NOT gate NO (i, 1) is connected with pump Pump (i) remote signal input, the first OR gate OR'(i, 1)
Input is connected with pump Pump (i) fault-signal input, pump Pump (i) run signal input and the first NOT gate NO
The output end of (i, 1)；The first OR gate OR'(i, 1) output end connection pump Pump (i) alternate reset signal RE (i), RE
(i) input of OR gate OR (i, m) in the priority selecting module is connected；The input of the second NOT gate NO (i, 2)
End is connected with pump Pump (i) run signal input, and the second NOT gate NO (i, 2) output end connects the 4th pulse signal respectively
Generator Pulse'(i, 4) input and first with door AND (i, a 1) input, first with door AND's (i, 1)
Another input is connected with the output end of a delayer T, delayer T output end the first OR gate of connection OR'(i, 1) one it is defeated
Enter end, delayer T inputs are connected with standby start up command signals end START (i, 1)；The second OR gate OR'(i, 2) it is defeated
Enter end and be connected to first and door AND (i, 1) output end and the 4th pulse signal generator Pulse'(i, 4) output
End, first and door AND (i, 1) output end connection pump Pump (i) standby startup failure indicating module, the second OR gate OR'(i,
2) output end connection the second trigger RS'(i, 2) S ends, the second trigger RS'(i, 2) R ends pass through the 5th pulse
Signal generator Pulse'(5) connection stand-by pump self-starting interlocking resetting button；The second trigger RS'(i, 2) output
One adder ADD of end connection input, adder ADD output ends are connected to N2The input of individual high comparator H (m)
End, the output end of each high comparator H (m) be respectively correspondingly connected with m grade stand-by pump indicating modules of startup and one second and
Door AND (m) an input, second is connected a 3rd trigger RS'(3 with door AND (m) another input) output
End, the 3rd trigger RS'(3) the one pulse signal generator connection stand-by pump self-starting interlocking of S ends come into operation soft key, the
Three trigger RS'(3) R ends one pulse signal generator connection stand-by pump self-starting interlocking excision soft key；Described
Two and door AND (m) command signal end of the output end through the correspondingly connected m grades of stand-by pumps of startup of a pulse signal generator；
The signal output module includes the signal output submodule for N platform pump Pump (i)；It is defeated in pump Pump (i) signal
Go out in submodule, the respectively each individually connection one the of each m grades of the pump Pump (i) standby selection status signal outputs
Three and door AND (i, m, 3) first input end, the 3rd and door AND (i, m, 3) m grades of the second input connection correspondence startup is standby
With the command signal end of pump, the described 3rd and door AND (i, m, 3) output end is connected with the 3rd OR gate OR " (i, 3) input
End, the 3rd OR gate OR " (i, 3) output end connect respectively pump Pump (i) the standby start up command signals START of the first via (i,
1) with pump Pump (i) the standby start up command signals START in the second tunnel (i, 2).
2. many stand-by pumps self-starting logic control circuit according to claim 1, it is characterised in that the delayer T
Time delay be 5 seconds.
3. many stand-by pumps self-starting logic control circuit according to claim 1 or 2, it is characterised in that described excellent
In the pump Pump (i) of first level selecting module priority selection submodule, the first pulse signal generator Pulse (i, m,
1) pulse generating time is 1s, and the second pulse signal generator Pulse (i, m, 2) pulse generating time is 2s, the 3rd arteries and veins
The pulse generating time for rushing signal generator Pulse (m, 3) is 2s；Threshold value in the high comparator H (m) is set as m；
In the pump Pump (i) of self-starting judge module self-starting judging submodule, the 4th pulse signal generator
Pulse'(i, 4) pulse generating time be 2s, connection stand-by pump self-starting interlocking comes into operation the pulse signal generator of soft key
Pulse generating time be 1s, during the pulse generation of the pulse signal generator of connection stand-by pump self-starting interlocking excision soft key
Between be 2s, the 5th pulse signal generator Pulse'(5) pulse generating time be 2s；Described second and door AND (m) output
The pulse generating time of pulse signal generator between end and the command signal end for starting m grades of stand-by pumps is 15s.
4. many stand-by pumps self-starting logic control circuit according to claim 1, it is characterised in that each trigger
In be satisfied by R ends triggering priority be higher than S ends triggering priority.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108336945A (en) * | 2018-02-11 | 2018-07-27 | 中科合成油工程股份有限公司 | Motor is mutually for control method |
| CN110568777A (en) * | 2019-08-13 | 2019-12-13 | 中广核工程有限公司 | digital control system and driving device and driving circuit thereof |
| CN111140515A (en) * | 2019-06-20 | 2020-05-12 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Fault switching method for main circulating pump of cooling system of flexible direct-current power transmission converter valve |
| CN113202737A (en) * | 2021-05-24 | 2021-08-03 | 中核核电运行管理有限公司 | Start-stop control circuit and method for top shaft oil pump of steam turbine of nuclear power plant |
| CN114278546A (en) * | 2021-12-03 | 2022-04-05 | 中冶南方工程技术有限公司 | Optimized control method for blast furnace pump set management based on step7 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108336945A (en) * | 2018-02-11 | 2018-07-27 | 中科合成油工程股份有限公司 | Motor is mutually for control method |
| CN111140515A (en) * | 2019-06-20 | 2020-05-12 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Fault switching method for main circulating pump of cooling system of flexible direct-current power transmission converter valve |
| CN110568777A (en) * | 2019-08-13 | 2019-12-13 | 中广核工程有限公司 | digital control system and driving device and driving circuit thereof |
| CN110568777B (en) * | 2019-08-13 | 2021-10-15 | 中广核工程有限公司 | Digital control system and driving device and driving circuit thereof |
| CN113202737A (en) * | 2021-05-24 | 2021-08-03 | 中核核电运行管理有限公司 | Start-stop control circuit and method for top shaft oil pump of steam turbine of nuclear power plant |
| CN114278546A (en) * | 2021-12-03 | 2022-04-05 | 中冶南方工程技术有限公司 | Optimized control method for blast furnace pump set management based on step7 |
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