CN204663840U - Asquare torque load intelligent electricity-saving protection controller system - Google Patents
Asquare torque load intelligent electricity-saving protection controller system Download PDFInfo
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- CN204663840U CN204663840U CN201520194071.XU CN201520194071U CN204663840U CN 204663840 U CN204663840 U CN 204663840U CN 201520194071 U CN201520194071 U CN 201520194071U CN 204663840 U CN204663840 U CN 204663840U
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- pump
- water pump
- flow
- frequency variator
- power
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Abstract
The utility model relates to a kind of asquare torque load intelligent electricity-saving protection controller system, its technical characteristics is: comprise constant flux control system, active filter, collect and transmit module, multiple stage frequency variator, multiple electric motors, multiple stage water pump, flow transducer and pressure transducer, every platform frequency variator be connected an active power filtering module between three phase mains, frequency variator, motor, water pump is connected successively, wherein a water pump is reserve pump, other water pumps are for running water pump, the output terminal of all operation water pumps and reserve pump is connected on outfall sewer road jointly, the input end of this constant-flow control device and flow transducer, pressure transducer and collect and transmit module are connected, the output control terminal of this constant-flow control device is connected with every platform frequency variator.The utility model controls multiple stage operation water pump and a reserve pump runs simultaneously, can improve the power saving capability of water pump system significantly, avoid the waste of power resource, ensure that security of system is reliably run.
Description
Technical field
The utility model belongs to power-saving technique field, especially a kind of asquare torque load intelligent electricity-saving protection controller system.
Background technique
Be with in asquare torque load (such as blower fan or load of the pumps) system at motor, be usually made up of one or more process pump and a stand by pump, stand by pump usually when process pump breaks down just incision system come into operation.In said system, be much run (such as, central air-conditioning freezing, cool cycles pumping system) with substantially invariable flow, and operationally valve wide open to ensure its flow; If adopt traditional constant pressure control system that power savings cannot be reached, cause the waste of power resource.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of asquare torque load intelligent electricity-saving protection controller system of reasonable in design, saving power.
The utility model solves its technical problem and takes following technological scheme to realize:
A kind of asquare torque load intelligent electricity-saving protection controller system, comprise constant flux control system, active filter, collect and transmit module, multiple stage frequency variator, multiple electric motors, multiple stage water pump, flow transducer and pressure transducer, every platform frequency variator be connected an active power filtering module between three phase mains, frequency variator, motor, water pump is connected successively, wherein a water pump is reserve pump, other water pumps are for running water pump, the output terminal of all operation water pumps and reserve pump is connected on outfall sewer road jointly, outfall sewer road is provided with flow transducer and pressure transducer, this flow transducer and pressure transducer are all connected to the input end of constant-flow control device, the input end of this constant-flow control device is also connected with collect and transmit module, this collect and transmit module is connected with three phase mains the electric current for gathering ac power supply, the output control terminal of this constant-flow control device is connected with every platform frequency variator.
And described constant flux control system is also connected with PC Surveillance center or mobile terminal by internet, by PC Surveillance center or mobile terminal, constant flux control system is monitored.
And, described constant flux control system by controlling output unit, data processing unit, data-interface, communication module, man-machine interface connect and compose, data processing unit is connected with control output unit, data-interface, man-machine interface respectively, this data-interface is connected with flow transducer, pressure transducer and communication module, this communication module is connected with collect and transmit module, and this control output unit is connected with every platform frequency variator.
Advantage of the present utility model and good effect are:
The utility model is reasonable in design, it increases Constant Current Control System and runs water pump with multiple stage and a reserve pump is connected in existing water pump system, control multiple stage operation water pump and a reserve pump are run simultaneously by Constant Current Control System, the power saving capability of water pump system can be improved significantly, avoid the waste of power resource, and the protective function to system can be realized; Increase by an active power filtering module in inlet simultaneously, for whole system provides the power quality of high-quality, ensure that security of system is reliably run.
Accompanying drawing explanation
Fig. 1 is system connection diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is further described:
A kind of asquare torque load intelligent electricity-saving protection controller system; as shown in Figure 1, constant flux control system, active filter, collect and transmit module, multiple stage frequency variator, multiple electric motors, multiple stage water pump, flow transducer Q, pressure transducer P, PC Surveillance center and mobile device is comprised.Every platform frequency variator be connected an active power filtering module between three phase mains, this active power filtering module is used for carrying out filtering process to three phase mains and the three phase mains providing high-quality for whole system, frequency variator, motor, water pump is connected successively, wherein a water pump is reserve pump, other water pumps are for running water pump, the output terminal of all operation water pumps and reserve pump is connected on outfall sewer road jointly, outfall sewer road is provided with flow transducer Q and pressure transducer P for detecting water flow on supply mains road and discharge pressure, described constant flux control system is by controlling output unit, data processing unit, data-interface, communication module, man-machine interface connects and composes, wherein, data processing unit respectively with control output unit, data-interface, man-machine interface is connected, data-interface is connected with communication module, described communication module is connected with collect and transmit module, this collect and transmit module is connected for gathering three phase mains electric current with three phase mains, the source current of collect and transmit module acquires outputs to data processing unit by communication module, data-interface, this communication module is also connected with PC Surveillance center and mobile terminal (such as mobile phone etc.) by internet, by PC Surveillance center or mobile terminal to the monitoring function of constant flux control system, described data-interface is also connected with the flow transducer Q on outfall sewer road, pressure transducer P, and send the flow of collection and pressure data to data processing unit, the data analysis that data processing unit gathers according to collect and transmit module, flow transducer and pressure transducer, and send control command to control output unit, the output control terminal mouth of described control output unit is connected with each frequency variator respectively and controls the operation of each frequency variator, ensures that the water-outlet quantity of water pump keeps constant current state.
Adopt the art of this patent, the stand by pump of original in certain factory's water pump system " 1 fortune 1 is standby ", " 2 fortune 1 are standby, 3 fortune 1 are standby, 4 fortune 1 are standby, 5 fortune 1 standby " is used, significantly can improve the power saving rate of water pump system.Former " 1 fortune 1 is standby ", now by 2 pump operations, former " 2 fortune 1 are standby ", now by 3 pump operations, former " 3 fortune 1 are standby ", now by 4 pump operations, former " 4 fortune 1 are standby ", now by 5 pump operations, former " 5 fortune 1 are standby " is now by 6 pump operations.
Below asquare torque load control principle is described:
1,1 fortune 1 is for situation
If the rated power of every platform pump is P
n, rated flow is Q
n, rated pressure is H
n, reach rated power (being fully loaded with) when supposing a pump operation, then:
The power consumed during a pump power frequency operation is: P
∑ 1=P
n
Flow is: Q
∑ 1=Q
n
If stand by pump is also put into operation, and keep flow during 2 pump frequency conversions operations identical with flow during 1 pump power frequency operation.Then: when 2 pump frequency conversions run, the flow that every platform pump provides is Q
n÷ 2 ≈ 0.5Q
n; Be directly proportional to frequency according to flow, cube relation be directly proportional of power and frequency, the frequency of okperation of every platform frequency conversion-type electricity saver is all 50 × 0.5=25Hz.Ignore the factors such as the open circuit loss of water pump, resistance of pipe system, efficiency, then the total output consumed when 2 pump frequency conversions run is:
P
∑2＝2×0.5
3P
N≈0.25P
N
That is: 0.25 times of power when total output when 2 pump frequency conversion 25Hz run is about 1 pump power frequency full load operation.
Power saving rate theoretical value=(P
n-0.25P
n)/P
n× 100%=75%
2,2 fortune 1 are for situation
If the rated power of every platform pump is P
n, rated flow is Q
n, rated pressure is H
n, when supposing 2 pump power frequency operations, every platform pump all reaches rated power (being fully loaded with) then:
The power consumed during 2 pump power frequency operations is: P
∑ 1=2P
n
Flow is: Q
∑ 1=2Q
n
If stand by pump is also put into operation, and keep flow during 3 pump frequency conversions operations identical with flow during 2 pump power frequency operations.Then: when 3 pump frequency conversions run, the flow that every platform pump provides is 2Q
n÷ 3 ≈ 0.67Q
n; Be directly proportional to frequency according to flow, cube being directly proportional of power and frequency, the frequency of okperation of every platform frequency conversion-type electricity saver is all 50 × 0.67=33.5Hz.Ignore the factors such as the open circuit loss of water pump, resistance of pipe system, efficiency, then the total output consumed when 3 pump frequency conversions run is:
P
∑2＝3×0.67
3P
N≈0.9P
N
That is: 0.9 times of power when total output when 3 pump frequency conversion 33.5Hz run is about 1 pump power frequency full load operation.
Power saving rate theoretical value=(2P
n-0.9P
n)/2P
n× 100%=55%
3,3 fortune 1 are for situation
If the rated power of every platform pump is P
n, rated flow is Q
n, rated pressure is H
n, when supposing 3 pump power frequency operations, every platform pump all reaches rated power (being fully loaded with) then:
The power consumed during 3 pump power frequency operations is: P
∑ 1=3P
n
Flow is: Q
∑ 1=3Q
n
If stand by pump is also put into operation, and keep flow during 4 pump frequency conversions operations identical with flow during 3 pump power frequency operations.Then: when 4 pump frequency conversions run, the flow that every platform pump provides is 3Q
n÷ 4 ≈ 0.75Q
n; Be directly proportional to frequency according to flow, cube being directly proportional of power and frequency, the frequency of okperation of every platform frequency conversion-type electricity saver is all 50 × 0.75=37.5Hz.Ignore the factors such as the open circuit loss of water pump, resistance of pipe system, efficiency, then the total output consumed when 4 pump frequency conversions run is:
P
∑2＝4×0.75
3P
N≈1.69P
N
That is: 1.69 times of power when total output when 4 pump frequency conversion 37.5Hz run is about 1 pump power frequency full load operation.
Power saving rate theoretical value=(3P
n-1.69P
n)/3P
n× 100%=43.7%
4,4 fortune 1 are for situation
If the rated power of every platform pump is P
n, rated flow is Q
n, rated pressure is H
n, when supposing 4 pump power frequency operations, every platform pump all reaches rated power (being fully loaded with) then:
The power consumed during 4 pump power frequency operations is: P
∑ 1=4P
n
Flow is: Q
∑ 1=4Q
n
If stand by pump is also put into operation, and keep flow during 5 pump frequency conversions operations identical with flow during 4 pump power frequency operations.Then: when 5 pump frequency conversions run, the flow that every platform pump provides is 4Q
n÷ 5 ≈ 0.8Q
n; Be directly proportional to frequency according to flow, cube being directly proportional of power and frequency, the frequency of okperation of every platform frequency conversion-type electricity saver is all 50 × 0.8=40Hz.Ignore the factors such as the open circuit loss of water pump, resistance of pipe system, efficiency, then the total output consumed when 5 pump frequency conversions run is:
P
∑2＝5×0.8
3P
N≈2.56P
N
That is: 2.56 times of power when total output when 5 pump frequency conversion 40Hz run is about 1 pump power frequency full load operation.
Power saving rate theoretical value=(4P
n-2.56P
n)/4P
n× 100%=36%
5,5 fortune 1 are for situation
If the rated power of every platform pump is P
n, rated flow is Q
n, rated pressure is H
n, when supposing 5 pump power frequency operations, every platform pump all reaches rated power (being fully loaded with) then:
The power consumed during 5 pump power frequency operations is: P
∑ 1=5P
n
Flow is: Q
∑ 1=5Q
n
If stand by pump is also put into operation, and keep flow during 6 pump frequency conversions operations identical with flow during 5 pump power frequency operations.Then: when 6 pump frequency conversions run, the flow that every platform pump provides is 5Q
n÷ 6 ≈ 0.833Q
n; Be directly proportional to frequency according to flow, cube being directly proportional of power and frequency, the frequency of okperation of every platform frequency conversion-type electricity saver is all 50 × 0.833=41.67Hz.Ignore the factors such as the open circuit loss of water pump, resistance of pipe system, efficiency, then the total output consumed when 6 pump frequency conversions run is:
P
∑2＝6×0.833
3P
N≈3.47P
N
That is: 3.47 times of power when total output when 6 pump frequency conversion 41.67Hz run is about a pump power frequency full load operation.
Power saving rate theoretical value=(5P
n-3.47P
n)/5P
n× 100%=30.6%.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in embodiment; every other mode of executions drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.
Claims (3)
1. an asquare torque load intelligent electricity-saving protection controller system, it is characterized in that: comprise constant flux control system, active filter, collect and transmit module, multiple stage frequency variator, multiple electric motors, multiple stage water pump, flow transducer and pressure transducer, every platform frequency variator be connected an active power filtering module between three phase mains, frequency variator, motor, water pump is connected successively, wherein a water pump is reserve pump, other water pumps are for running water pump, the output terminal of all operation water pumps and reserve pump is connected on outfall sewer road jointly, outfall sewer road is provided with flow transducer and pressure transducer, this flow transducer and pressure transducer are all connected to the input end of constant-flow control device, the input end of this constant-flow control device is also connected with collect and transmit module, this collect and transmit module is connected with three phase mains the electric current for gathering ac power supply, the output control terminal of this constant-flow control device is connected with every platform frequency variator.
2. asquare torque load intelligent electricity-saving protection controller system according to claim 1; it is characterized in that: described constant flux control system is also connected with PC Surveillance center or mobile terminal by internet, by PC Surveillance center or mobile terminal, constant flux control system is monitored.
3. asquare torque load intelligent electricity-saving protection controller system according to claim 1 and 2; it is characterized in that: described constant flux control system by controlling output unit, data processing unit, data-interface, communication module, man-machine interface connect and compose; data processing unit is connected with control output unit, data-interface, man-machine interface respectively; this data-interface is connected with flow transducer, pressure transducer and communication module; this communication module is connected with collect and transmit module, and this control output unit is connected with every platform frequency variator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194071.XU CN204663840U (en) | 2015-04-01 | 2015-04-01 | Asquare torque load intelligent electricity-saving protection controller system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194071.XU CN204663840U (en) | 2015-04-01 | 2015-04-01 | Asquare torque load intelligent electricity-saving protection controller system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204663840U true CN204663840U (en) | 2015-09-23 |
Family
ID=54134228
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520194071.XU Active CN204663840U (en) | 2015-04-01 | 2015-04-01 | Asquare torque load intelligent electricity-saving protection controller system |
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|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776016A (en) * | 2015-04-01 | 2015-07-15 | 西安来克斯特节能科技有限公司 | Square torque load intelligent electricity-saving protection controller system |
-
2015
- 2015-04-01 CN CN201520194071.XU patent/CN204663840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776016A (en) * | 2015-04-01 | 2015-07-15 | 西安来克斯特节能科技有限公司 | Square torque load intelligent electricity-saving protection controller system |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |