CN206658142U - A kind of star-wheel variable speed energy saving system of closed-loop control water pump - Google Patents
A kind of star-wheel variable speed energy saving system of closed-loop control water pump Download PDFInfo
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- CN206658142U CN206658142U CN201720353834.XU CN201720353834U CN206658142U CN 206658142 U CN206658142 U CN 206658142U CN 201720353834 U CN201720353834 U CN 201720353834U CN 206658142 U CN206658142 U CN 206658142U
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Abstract
A kind of star-wheel variable speed energy saving system of closed-loop control water pump, is related to star-wheel variable speed energy saving system.Belong to pump speed control field.Solve that when motor is run with invariable rotating speed in existing pump speed control system, water yield is fixed, can not be different according to per period water consumption, the problem of carrying out water yield adjusting.It includes water pump, No. 1 water pump coupler, low pressure regulation and control motor, high pressure main motor, star-wheel speed regulator, diaphragm coupling and No. 2 water pump couplers, the rotary output axis of described high pressure main motor rotate input axis connection by No. 1 of No. two water pump couplers and star-wheel speed regulator, and high pressure main motor output speed is constant, the rotary output axis of low pressure regulation and control motor rotate input axis connection by diaphragm coupling and star-wheel speed regulator 2, and the rotary output axis of star-wheel speed regulator input axis connection by the rotation of No. 1 water pump coupler and water pump.The utility model is mainly used in carrying out speed governing to water pump.
Description
Technical field
It the utility model is related to star-wheel variable speed energy saving system.Belong to pump speed control field.
Background technology
1400s22 type water circulating pumps firm discharge is 18000m3/h, lift 25m, wears 1600kW motors, motor speed
For 372r/min, voltage 6000V.When motor is run with invariable speed, discharge of pump and pressure are also fixed；It is but every
The water consumption of period is different, and fixed water yield can not only meet the requirement of industrial water, waste of resource and the energy, can not create more
Big economic benefit.
The big or middle power apparatus mode of speed regulation being commonly used is mainly fluid coupling speed governing, electromagnetic coupled speed governing
With three kinds of modes of frequency control, but existing frequency control mode of speed regulation is relatively backward, electromagnetic coupled speed governing and coupling fluid-structure
It is big volume to be present in device speed governing, and installation space-consuming, operational efficiency is low, service life is short, influences that big, cost is high on high-voltage motor,
The defects of energy waste seriously waits.
Utility model content
The utility model is the water yield in order to when solving that motor is run with invariable rotating speed in existing pump speed control system
It is fixed, can not be different according to per period water consumption, the problem of carrying out water yield adjusting, the utility model provides a kind of closed-loop control
The star-wheel variable speed energy saving system of water pump.
A kind of star-wheel variable speed energy saving system of closed-loop control water pump, it includes water pump, No. 1 water pump coupler, low pressure regulation and control
Motor, high pressure main motor, star-wheel speed regulator, diaphragm coupling and No. 2 water pump couplers,
The rotary output axis of described high pressure main motor are rotated and inputted by No. 2 water pump couplers and star-wheel speed regulator 1
Axis connection, and high pressure main motor output speed is constant,
The rotary output axis of low pressure regulation and control motor rotate input axis connection by diaphragm coupling and star-wheel speed regulator 2,
The rotary output axis of star-wheel speed regulator input axis connection by the rotation of No. 1 water pump coupler and water pump.
Described star-wheel speed regulator is made up of in parallel or in series two sets of reducing gears.
A set of reducing gear in two sets of described reducing gears is the main power being made up of one-level or two-stage planetary mechanism
Planetary gear reducing mechanism, another set of reducing gear are that the secondary power planet combined by bevel gear pair and planetary gear construction slows down
Mechanism.
A kind of star-wheel variable speed energy saving system of described closed-loop control water pump, in addition to radiator, oil pump, oil inlet pipe, return
Oil pipe, fuel tank and filter；
Oil pump is used to the lubricating oil in fuel tank being pumped into filter by oil inlet pipe,
The oil-out of filter connects with the oil inlet of star-wheel speed regulator, the oil-out of star-wheel speed regulator by oil return pipe with
Fuel tank connects,
Radiator is used to cool down the lubricating oil for flowing through oil inlet pipe.
The beneficial effects of the utility model：The utility model can be adjusted by adjusting rotation direction and the rotating speed of low pressure regulation and control motor
The output speed of star-wheel speed regulator is saved, so as to which more water pumps carry out gearshift adjustment, so as to different according to per period water consumption, to adjust
The water yield of water pump, reach the purpose of energy-conservation.
Output is adjusted by speed governing using star-wheel speed regulator, power saving rate is generally 20%~70%, by adjusting water
Revolution speed carrys out regulating pondage, and water circulating pump valve standard-sized sheet, this greatly reduces the influence of valve resistance, can obtain significant section
Can effect.
A kind of star-wheel variable speed energy saving system of closed-loop control water pump described in the utility model can realize that powerful device is low
Fast (regulation and control rotating speed) starts, and mode of speed regulation is simple, effectively alleviates impact of the equipment starting current to power network, it is humorous not produce high order
Ripple, no electric network pollution, resist strong magnetic impact capacity strong.
A kind of structure of the star-wheel variable speed energy saving system of closed-loop control water pump described in the utility model has following features：
1. electromechanical integration integrates speed governing.As long as changing the rotation direction or rotating speed of low pressure regulation and control motor, star-wheel speed regulator output
The rotating speed of axle will change therewith, so as to realize the function of speed governing.
2. with it is small tune up, power point rate, motion synthesize.Driving high-tension electricity is realized by controlling small-power low pressure to regulate and control motor
Machine equipment speed governing operation, easily realize and automatically control, attended operation is convenient, and speed governing expense is low；Regulate and control motor variation, except use
Outside the standard electromotor of one speed, also low pressure small-power pole-changing control, frequency control, electromagnetic speed-adjusting, small-sized DC can be used to adjust
The motors such as speed.
It is 3. bidirectional speed governing, energy-efficient.Both equipment rotating speed can have been made higher than Rated motor rotating speed, can also have been turned less than Rated motor
Speed, therefore most rational equipment rotating speed can be designed by operating mode and performance requirement, within the specific limits not by Rated motor rotating speed
Limitation, the power averaging of motor material Unit Weight transmission is improved more than 1.6 times again, save material remarkable benefit.
4. realize high-power, high pulling torque speed governing.It is primarily adapted for use in the wind of power 300kW~6000kW high-voltage motors driving
The speed governing operation of the heavy load transmission equipment such as machine, water pump, air compressor machine and grinding machine, mine hoist, also may replace traditional deceleration
Device.
5. contrasted with like product：
The big or middle power apparatus mode of speed regulation that popularity uses at present is mainly fluid coupling speed governing, electromagnetic coupled
3 kinds of modes of speed governing and frequency control, specific comparative advantages such as following table (because fluid coupling technology is old, ratio are not done in following table
Compared with).
Star-wheel speed regulator and the comparative advantages of other modes of speed regulation
Brief description of the drawings
Fig. 1 is the structural representation of the star-wheel variable speed energy saving system of closed-loop control water pump described in the utility model.
Fig. 2 is Fig. 1 partial enlarged drawing.
Embodiment
Embodiment one：Illustrate present embodiment, a kind of closed loop control described in present embodiment referring to Fig. 1 and Fig. 2
The star-wheel variable speed energy saving system of water pump processed, it includes 1, No. 1 water pump coupler 2 of water pump, low pressure regulation and control motor 7, high pressure main motor
9th, star-wheel speed regulator 10, diaphragm coupling 12 and No. 2 water pump couplers 13,
The rotary output axis of described high pressure main motor 9 pass through No. 101 rotations of No. 2 water pump couplers 13 and star-wheel speed regulator
Axis connection is inputted, and the output speed of high pressure main motor 9 is constant,
The rotary output axis of low pressure regulation and control motor 7 pass through No. 102 rotation input shafts of diaphragm coupling 12 and star-wheel speed regulator
Connection,
The rotary output axis of star-wheel speed regulator 10 input axis connection by the rotation of No. 1 water pump coupler 2 and water pump 1.
In present embodiment, product manufacturing and installation instructions are as follows：
The star-wheel variable speed energy saving system of the closed-loop control water pump of electromechanical integration includes star-wheel speed regulator, low pressure regulation and control electricity
Machine, low-voltage power distributing cabinet, oil system composition.When star-wheel speed control device is installed, present pump motor end group plinth is remake
Into the mass-type foundation for meeting to install speed regulator additional, the overall common bed of channel-section steel welding is made, foundation for water pumps is motionless, and Motor Foundation adds
Long 1.8 metric systems are made mass-type foundation as installation speed regulator position.After the units' installation is debugged, main motor or specified turn
Speed operation, (main motor and switch board are changed without) carry out stepless time adjustment by regulating and controlling motor to pump rotary speed.
Save example：
It is known：Circulation-water pump electric machine capacity PN=1600kW.Water circulating pump metered flow Q0=18000m3/ h, rated head
H0=25m, ηWater pump=90%.
Meet pump operating condition energy-saving analysis when water circulating pump outlet valve aperture is 70%
(1) when adjusting the operation of outlet valve aperture motor (：High pressure main motor) power calculation：When outlet damper is opened
Spend for 70% when, the shaft power Pe of water circulating pump1=80%Pe, the efficiency eta of motor1=94.6%.
Motor consumes power P1=Pe1/η1=80%Pe/94.6%=84.6%Pe, Pe are shaft work under declared working condition
Rate.
(2) motor power (output) during speed governing operation calculates：
When speed governing adjusts pump capacity, relation between shaft power, flow, rotating speed：Pe1/Pe2=(Q1/Q2)3=(n1/n2)3。
In formula：Pe1--- when inlet valve aperture is 25%, the shaft power kW of water pump 1；
Pe2--- during speed governing operation, the shaft power kW of water pump 1；
Q1--- when inlet valve aperture is 25%, the flow m of water pump 13/h；
Q2--- during speed governing operation, the flow m of water pump 13/h；
n1--- when inlet valve aperture is 25%, the rotating speed rpm of water pump 1；
n1--- during speed governing operation, the rotating speed rpm of water pump 1；
Pump shaft power Pe2=(75.8%)3Pe, motor efficiency η2=93%, the mechanical efficiency η of speed regulatorAdjust=
96%.
Motor consumes power P2=Pe2/η2/ηAdjust=(75.8%)3Pe/93%/96%=48.8%Pe.
(3) fractional energy savings calculates：
Amount of energy saving Δ P=P1-P2=84.6%Pe-48.8%Pe=35.8%Pe.
Fractional energy savings：ΔP/P1=35.8%Pe/84.6%Pe=42.3%.
By daily work 24 hours, often 0.6 yuan of 360 days annual working times, degree electricity calculating：(with reference to sales rate of electricity)
Annual power cost saving：35.8% × 1360 × 24 × 360 × 0.6=2,523,985 (member).
During the pump speed control realized using the star-wheel variable speed energy saving system of closed-loop control water pump, speed regulation process is simple, passes through
The rotation direction and rotating speed of regulation low pressure regulation and control motor 7 adjust the output speed of star-wheel speed regulator 10, so as to which more water pumps carry out speed change
Regulation, so as to according to per period water consumption difference, to adjust the water yield of water pump, reach the purpose of energy-conservation, obtain significant section
Can effect.When meeting 70% water circulating pump outlet valve aperture operating mode, fractional energy savings 42.3%, 2,523,985 yuan of the Spring Festival holidays electricity charge, section
Energy significant effect, by conventional condition calculating, cost is at most i.e. recoverable less than 1 year.
The mathematical modeling of the described star-wheel variable speed energy saving system for using closed-loop control water pump for：nWater pump=iH·nMain motor±
ik·nRegulate and control motor,
Wherein, nWater pumpFor the output speed of water pump 1, nMain motorFor the output speed of high pressure main motor 9, nRegulate and control motorRegulate and control for low pressure
The output speed of motor 7, iHFor the fixed drive ratio between high pressure main motor 9 and star-wheel speed regulator 10, ikRegulate and control motor 7 for low pressure
With the fixed drive ratio between star-wheel speed regulator 10.
Embodiment two：Illustrate present embodiment, present embodiment and embodiment one referring to Fig. 1 and Fig. 2
A kind of difference of the star-wheel variable speed energy saving system of described closed-loop control water pump is that described star-wheel speed regulator 10 is subtracted by two sets
Fast mechanism is formed in parallel or in series.
In present embodiment, star-wheel speed regulator 10 is made up of in parallel or in series two sets of reducing gears, so just by two kinds
Rotary motion synthesizes multiple degrees of freedom and multi-shaft interlocked speed governing campaign.
Embodiment three：Present embodiment and a kind of star-wheel of closed-loop control water pump described in embodiment two
The difference of variable speed energy saving system is that a set of reducing gear in described two sets of reducing gears is by one-level or two-stage planet machine
The main power planet gear reduction of structure composition, another set of reducing gear are what is combined by bevel gear pair and planetary gear construction
Secondary power planet reducing gear.
In present embodiment, star-wheel speed regulator 10 reducing gear of a set of generalization and a set of standardization can be used in parallel or
It is composed in series.The main power planet gear reduction that wherein a set of reducing gear is made up of one-level or two-stage planetary mechanism,
The mechanism has the characteristics of high-precision, interior external toothing, multiple rows of roller gear, double freedom；Another set of reducing gear be by
Bevel gear pair and the secondary power planet reducing gear of planetary gear construction combination.Two sets of reducing gear tandem compounds obtain two phases
The main power transmission for mutually leading connection compares iHCompare i with secondary power transmissionK, two kinds of rotary motions are just so synthesized into multiple degrees of freedom and multiaxis
The speed governing campaign of linkage.
Embodiment four：Present embodiment and a kind of closed-loop control water described in embodiment one, two or three
The difference of the star-wheel variable speed energy saving system of pump is, in addition to radiator 3, oil pump 4, oil inlet pipe 5, oil return pipe 6, fuel tank 8 and mistake
Filter 11；
Oil pump 4 is used to the lubricating oil in fuel tank 8 being pumped into filter 11 by oil inlet pipe 5,
The oil-out of filter 11 connects with the oil inlet of star-wheel speed regulator 10, and the oil-out of star-wheel speed regulator 10 is by returning
Oil pipe 6 connects with fuel tank 8,
Radiator 3 is used to cool down the lubricating oil for flowing through oil inlet pipe 5.
In present embodiment, during concrete application, first, the lubricating oil in fuel tank 8 is passed through the pump of oil inlet pipe 5 by oil pump 4
Enter filter 11, while the lubricating oil for flowing through oil inlet pipe 5 is cooled down by radiator 3；
Secondly, the impurity in lubricating oil is filtered out by filter 11,
Finally, after lubricating oil is lubricated to star-wheel speed regulator 10 after cooling down and clean, fuel tank 8 is returned to by oil return pipe 6.
Claims (4)
1. the star-wheel variable speed energy saving system of a kind of closed-loop control water pump, it is characterised in that it includes water pump (1), No. 1 water pump shaft coupling
Device (2), low pressure regulation and control motor (7), high pressure main motor (9), star-wheel speed regulator (10), diaphragm coupling (12) and No. 2 water pump connection
Axle device (13),
The rotary output axis of described high pressure main motor (9) are turned by No. 2 water pump couplers (13) and star-wheel speed regulator (10) 1
Driven input shaft connects, and high pressure main motor (9) output speed is constant,
The rotary output axis of low pressure regulation and control motor (7) are rotated and inputted by diaphragm coupling (12) and star-wheel speed regulator (10) 2
Axis connection,
The rotary output axis of star-wheel speed regulator (10) input axis connection by the rotation of No. 1 water pump coupler (2) and water pump (1).
2. the star-wheel variable speed energy saving system of a kind of closed-loop control water pump according to claim 1, it is characterised in that described
Star-wheel speed regulator (10) is made up of in parallel or in series two sets of reducing gears.
3. the star-wheel variable speed energy saving system of a kind of closed-loop control water pump according to claim 2, it is characterised in that described
A set of reducing gear in two sets of reducing gears is the main power planet gear reduction unit being made up of one-level or two-stage planetary mechanism
Structure, another set of reducing gear are the secondary power planet reducing gear combined by bevel gear pair and planetary gear construction.
A kind of 4. star-wheel variable speed energy saving system of closed-loop control water pump according to claim 1,2 or 3, it is characterised in that
Also include radiator (3), oil pump (4), oil inlet pipe (5), oil return pipe (6), fuel tank (8) and filter (11)；
Oil pump (4) is used to the lubricating oil in fuel tank (8) being pumped into filter (11) by oil inlet pipe (5),
The oil-out of filter (11) connects with the oil inlet of star-wheel speed regulator (10), and the oil-out of star-wheel speed regulator (10) passes through
Oil return pipe (6) connects with fuel tank (8),
Radiator (3) is used to cool down the lubricating oil for flowing through oil inlet pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353834.XU CN206658142U (en) | 2017-04-06 | 2017-04-06 | A kind of star-wheel variable speed energy saving system of closed-loop control water pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353834.XU CN206658142U (en) | 2017-04-06 | 2017-04-06 | A kind of star-wheel variable speed energy saving system of closed-loop control water pump |
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| CN206658142U true CN206658142U (en) | 2017-11-21 |
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| CN201720353834.XU Expired - Fee Related CN206658142U (en) | 2017-04-06 | 2017-04-06 | A kind of star-wheel variable speed energy saving system of closed-loop control water pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088511A (en) * | 2018-08-10 | 2018-12-25 | 龚平 | The device for avoiding pump motor output shaft from twisting off |
| CN110061592A (en) * | 2019-05-21 | 2019-07-26 | 无锡市太湖闸站工程管理处 | A kind of low-speed big magneto |
-
2017
- 2017-04-06 CN CN201720353834.XU patent/CN206658142U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088511A (en) * | 2018-08-10 | 2018-12-25 | 龚平 | The device for avoiding pump motor output shaft from twisting off |
| CN110061592A (en) * | 2019-05-21 | 2019-07-26 | 无锡市太湖闸站工程管理处 | A kind of low-speed big magneto |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20180406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |