CN209250419U - A kind of mechatronics integration speed-regulating system - Google Patents
A kind of mechatronics integration speed-regulating system Download PDFInfo
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- CN209250419U CN209250419U CN201920054931.8U CN201920054931U CN209250419U CN 209250419 U CN209250419 U CN 209250419U CN 201920054931 U CN201920054931 U CN 201920054931U CN 209250419 U CN209250419 U CN 209250419U
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Abstract
The utility model relates to a kind of speed-regulating systems, more particularly to a kind of mechatronics integration speed-regulating system, including main motor, first shaft coupling, differential planet gear case ring gear, differential planet gear case planet carrier, differential planet gear case sun gear, anti-reverse mechanism, second shaft coupling, reduction gearing, input gear, third shaft coupling, low capacity variable-frequency motor, four-quadrant frequency converter；Main motor is coupled and is driven with ring gear by first shaft coupling；Sun gear couples and exports with second shaft coupling；Low capacity variable-frequency motor passes through the tooth engagement on third shaft coupling, input gear, reduction gearing and planet carrier；Four-quadrant frequency converter connect with control low capacity variable-frequency motor, and the transmission efficiency that controls its rotation speed change system and can be realized within the scope of whole rotational speed regulations is more than high-voltage variable-frequency and variable-speed system, is had a wide range of application, high-efficient, performance stabilization, high reliablity.
Description
Technical field
The utility model relates to a kind of speed-regulating systems, and in particular to a kind of mechatronics integration speed-regulating system.
Background technique
Environmental problem has become the outstanding problem of China's socio-economic development, therefore higher efficiency of energy utilization and more
Economic power save mode is the important directions of current technology equipment development.Each field of production of energy requires novel technology equipment
To improve operation conditions.
Energy saving for power plants is one of the battle position of China's energy-saving and emission-reduction.Currently, with the increase of power grid peak-valley difference and big
The access of new energy is measured, thermal power plant increasingly undertakes heavy peak regulation and frequency modulation task, causes the subsidiary engine more time to be deviateed and sets
Operating condition operation is counted, and frequent fluctuation, efficiency reduce.Especially the energy consumption level of the large-scale subsidiary engine such as boiler feed pump, blower is to machine
The efficiency of group is affected, and novel speed regulation driving method is needed to effectively improve subsidiary engine drive efficiency.
On the other hand, consider from Energy Angle, process gas and pipeline compressor are using variable speed control realization nothing
Grade speed regulation, can expand steady running condition area, not cause supplementary loss, also not add other mechanisms, control compressor performance
It adjusts highly beneficial.
Two kinds of modes of speed regulation of full capacity variable-frequency motor (VFD) and fluid coupling are mostly used at present, the two feature is as follows:
Fluid coupling speed regulation advantage be technology maturation stablize, high reliablity, speed regulating control is simple, speed adjustable range it is larger and
Since the characteristic of itself can realize the soft start of unit.Fluid coupling speed regulation is prominent the disadvantage is that low operating condition area low efficiency, power
Lose more, energy loss is consumed with form of thermal energy, and power consumption is larger, is main power consumption unit in Controlling Auxiliaries in Power Plants.High pressure is held entirely
It measures frequency control and uses high-voltage frequency converter+step-up gear mode, there is preferable energy-saving effect.But high-pressure frequency-conversion scheme is bright
Aobvious deficiency is its integrity problem, harmonic problem and alternate stress problem.
Utility model content
The purpose of the utility model is to provide a kind of mechatronics integration speed-regulating systems, and the speed-regulating system is according to power point
Principle is flowed, realizes electric transmission and mechanically operated perfect combination, combines the high reliability and electronic speed regulation of mechanical speed governors
High efficiency, can be realized the transmission efficiency within the scope of whole rotational speed regulations is more than high-voltage variable-frequency and variable-speed system, is to be at present
The only best solution of transmission efficiency highest energy-saving effect, and have controllable soft start function.Have a wide range of application, it is high-efficient,
Performance is stablized, and high reliablity can satisfy the urgent need of above-mentioned technical field equipment Development.
The technical solution adopted in the utility model are as follows: a kind of mechatronics integration speed-regulating system, including main motor, first
It is shaft coupling, differential planet gear case ring gear, differential planet gear case planet carrier, differential planet gear case sun gear, anti-reverse
Mechanism, second shaft coupling, reduction gearing, input gear, third shaft coupling, variable-frequency motor, four-quadrant frequency converter；The main motor
Couple and drive with differential planet gear case ring gear by first shaft coupling；The differential planet gear case sun gear and second
Shaft coupling couples and exports；The variable-frequency motor passes through third shaft coupling, input gear, reduction gearing and differential planet gear case
Tooth engagement on planet carrier；The operating of main motor constant speed, the four-quadrant frequency converter is connect with control variable-frequency motor, and controls its turn
Speed variation, the i.e. rotation speed change of planet carrier reach control sun gear rotation speed change according to differential planet transmission speed principle of stacking
Purpose.
Further, the anti-reverse mechanism includes ratchet, pawl and ratchet spring, and the ratchet is installed on differential planetary
On the transmission shaft of gear-box sun gear, differential planet gear case sun gear can be turned to by work and be run well, differential planet gear
When case sun gear has antiport trend, pawl is closed under the action of ratchet spring with ratchet spine, prevents its reversion.
The utility model has the beneficial effects that mechatronics integration speed-regulating system by low capacity variable-frequency motor and frequency converter,
The composition such as planet differential case, controller.System realizes electric transmission and mechanically operated perfection according to power dividing principle
In conjunction with combining the high reliability of mechanical speed governors and the high efficiency of electronic speed regulation, can be realized within the scope of whole rotational speed regulations
Transmission efficiency be more than high-voltage variable-frequency and variable-speed system, be the solution party that transmission efficiency highest energy-saving effect is best so far
Case, and have controllable soft start function.It is one to have a wide range of application, high-efficient, performance is stablized, high reliablity, and transmitting power is big
New technology, can satisfy the urgent need of above-mentioned technical field equipment Development.
Detailed description of the invention:
Fig. 1 is the schematic illustration of the electromechanical integration continuous speed regulation system of embodiment one；
Power flow direction schematic diagram when Fig. 2 is high load capacity work in embodiment one；
Fig. 3 is power flow direction schematic diagram when one middle-low load of embodiment works；
Power flow direction schematic diagram when Fig. 4 is system starting in embodiment one；
Fig. 5 is the structural schematic diagram of anti-reverse mechanism in embodiment one.
Specific embodiment:
Embodiment one
Referring to Fig.1,2,3 and 5, a kind of mechatronics integration speed-regulating system, including it is main motor 1, first shaft coupling 2, poor
Dynamic epicyclic gearbox ring gear 3, differential planet gear case planet carrier 4, differential planet gear case sun gear 5, anti-reverse mechanism 6,
Second shaft coupling 7, reduction gearing 8, input gear 9, third shaft coupling 10, variable-frequency motor 11, four-quadrant frequency converter 12；It is described anti-
Reversing device 6 includes ratchet 13, pawl 14 and ratchet spring 15, and the ratchet 13 is installed on differential planet gear case sun gear 5
Transmission shaft on, when differential planet gear case sun gear 5 has antiport trend, pawl 14 under the action of ratchet spring 15 with
13 spine of ratchet is closed, its reversion is prevented.
When normal work, main motor drives differential planet gear case ring gear, main motor constant speed fortune by first shaft coupling
Turn；Differential planet gear case sun gear is exported by second shaft coupling；Variable-frequency motor passes through third shaft coupling, input gear, subtracts
Tooth engagement on fast gear and differential planet gear case planet carrier.The revolving speed that four-quadrant frequency converter is used to control variable-frequency motor becomes
Change, i.e. the rotation speed change of differential planet gear case planet carrier, it is differential to reach control according to differential planet transmission speed principle of stacking
The purpose of epicyclic gearbox sun gear rotation speed change.And four-quadrant frequency converter can be according to differential planet transmission actual power stream
Need adaptively changing power flow direction: variable-frequency motor power generation or electronic.When system heavy-duty service, differential planet transmission ring gear
Sun gear is driven jointly as driving link with planet carrier, at this point, frequency motor, as electric motor operation, power flow direction is shown in attached drawing 2.System
Unite underrun when, the ring gear of differential planet transmission and simultaneously drive planet carrier and sun gear, at this point, variable-frequency motor conduct
Generator work, the electric energy of generation feed back to power grid after four-quadrant frequency converter frequency modulation, and power flow direction is shown in attached drawing 3.
Embodiment two
Referring to Fig. 4, when system starts, main motor elder generation no power, variable-frequency motor is powered on, and four-quadrant frequency converter control becomes
Frequency motor gradually raising speed.At this point, being set to the reversed fortune that the anti-reverse mechanism that sun gear output shaft is fastened prevents sun gear shafting
Turn, planet carrier drives ring gear idle running starting, and power flow direction is shown in attached drawing 4.After reaching Rational Rotation Speed, main motor, which is powered, to be started, and is
System enters normal operating conditions.
Continuous speed regulation system combines the high reliability of mechanical speed governors and the high efficiency of electronic speed regulation, can transport underload
Speed regulation load when row is converted into electric energy recycling, is that the speed regulation that transmission efficiency highest energy-saving effect is best so far solves
Scheme is provided simultaneously with soft start function, has very strong engineering adaptability.
This system is designed based on differential planet transmission power dividing principle, organic can utilize Planetary Gear Transmission too
Sun wheel, planet carrier and the main driven relationship of ring gear three obtain reasonable allocation plan.Active force passes through in shaft coupling driving
The operating of gear ring constant speed, sun gear drive boiler feed pump or centrifugal compressor, variable-frequency motor to pass through by shaft coupling output power
Shaft coupling, the operating of under drive gear drive control planet carrier adjust the revolving speed of variable-frequency motor by frequency converter, and final control is too
The output revolving speed of sun wheel.It is matched by the reasonable number of teeth, can control variable-frequency motor maximum power is that system transmits the 20% of general power
Left and right.For system when high load region works, four-quadrant frequency converter drives variable-frequency motor to put into power, and variable-frequency motor is as motor
It uses；And when low load region works, variable-frequency motor is used as load of electrical generation, and four-quadrant frequency converter can be by electric energy feedback extremely
Power grid improves energy utilization rate.
System on startup, the steering of sun gear is limited by gear shaft anti-reverse mechanism, first passes through four-quadrant frequency converter
Variable-frequency motor controllable initiating is controlled, main motor is dragged by forward direction goes to Rational Rotation Speed, then locks frequency converter frequency, main motor powers on
Starting, alleviates the impact to power grid.Device combines the high reliability of mechanical speed governors and the high efficiency of electronic speed regulation, Neng Goushi
The transmission efficiency within the scope of whole rotational speed regulations is more than high-voltage variable-frequency and variable-speed system now, is transmission efficiency highest so far
The best solution of energy-saving effect.
Claims (2)
1. a kind of mechatronics integration speed-regulating system, it is characterised in that: including main motor (1), first shaft coupling (2), differential
Epicyclic gearbox ring gear (3), differential planet gear case planet carrier (4), differential planet gear case sun gear (5), anti-reverse
Structure (6), second shaft coupling (7), reduction gearing (8), input gear (9), third shaft coupling (10), variable-frequency motor (11), four-quadrant
It limits frequency converter (12)；The main motor (1) is coupled and is driven with differential planet gear case ring gear (3) by first shaft coupling (2)
It is dynamic；The differential planet gear case sun gear (5) couples and exports with second shaft coupling (7)；The variable-frequency motor (11) passes through
Third shaft coupling (10), input gear (9), reduction gearing (8) and the tooth engagement on differential planet gear case planet carrier (4)；Institute
It states four-quadrant frequency converter (12) to connect with control variable-frequency motor (11), and controls its rotation speed change.
2. a kind of mechatronics integration speed-regulating system according to claim 1, it is characterised in that: the anti-reverse mechanism
It (6) include ratchet (13), pawl (14) and ratchet spring (15), the ratchet (13) is installed on differential planet gear case sun gear
(5) on transmission shaft, when differential planet gear case sun gear (5) has antiport trend, pawl (14) is in ratchet spring (15)
Under the action of with ratchet (13) spine close, prevent its reversion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920054931.8U CN209250419U (en) | 2019-01-14 | 2019-01-14 | A kind of mechatronics integration speed-regulating system |
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| CN201920054931.8U CN209250419U (en) | 2019-01-14 | 2019-01-14 | A kind of mechatronics integration speed-regulating system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450167A (en) * | 2019-01-14 | 2019-03-08 | 中国船舶重工集团公司第七0三研究所 | A kind of mechatronics integration speed-regulating system and its soft-start method |
| CN111006003A (en) * | 2019-11-13 | 2020-04-14 | 扬州协力传动科技有限公司 | Stepless speed regulation coupler for planet wheel |
| CN111463961A (en) * | 2020-05-11 | 2020-07-28 | 苏州才豪电子科技有限公司 | Special motor with accurate gas drive auxiliary rotating speed |
| CN112564448A (en) * | 2020-12-11 | 2021-03-26 | 山东天厚石油科技有限责任公司 | Permanent magnet speed regulation device |
| CN114087327A (en) * | 2021-12-09 | 2022-02-25 | 中国船舶重工集团公司第七0三研究所 | Anti-reverse differential planetary mechanism |
-
2019
- 2019-01-14 CN CN201920054931.8U patent/CN209250419U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450167A (en) * | 2019-01-14 | 2019-03-08 | 中国船舶重工集团公司第七0三研究所 | A kind of mechatronics integration speed-regulating system and its soft-start method |
| CN111006003A (en) * | 2019-11-13 | 2020-04-14 | 扬州协力传动科技有限公司 | Stepless speed regulation coupler for planet wheel |
| CN111463961A (en) * | 2020-05-11 | 2020-07-28 | 苏州才豪电子科技有限公司 | Special motor with accurate gas drive auxiliary rotating speed |
| CN112564448A (en) * | 2020-12-11 | 2021-03-26 | 山东天厚石油科技有限责任公司 | Permanent magnet speed regulation device |
| CN114087327A (en) * | 2021-12-09 | 2022-02-25 | 中国船舶重工集团公司第七0三研究所 | Anti-reverse differential planetary mechanism |
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Effective date of registration: 20200119 Address after: No.35 Honghu Road, Qunli Development Zone, Harbin City, Heilongjiang Province Co-patentee after: Shanxi Electric Power Co., Ltd. Zhang Tashan Patentee after: 703 Research Institute of China Shipbuilding Heavy Industry Group Corporation Address before: 150000 Honghu Road, Daoli District, Heilongjiang, No. 35, Harbin Patentee before: 703 Research Institute of China Shipbuilding Heavy Industry Group Corporation |