CN205693509U - Fluid coupling drive system - Google Patents
Fluid coupling drive system Download PDFInfo
- Publication number
- CN205693509U CN205693509U CN201520576136.7U CN201520576136U CN205693509U CN 205693509 U CN205693509 U CN 205693509U CN 201520576136 U CN201520576136 U CN 201520576136U CN 205693509 U CN205693509 U CN 205693509U
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- Prior art keywords
- fluid coupling
- converter
- main motor
- driving equipment
- drive system
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Abstract
The utility model discloses a kind of fluid coupling drive system.This system includes: converter, and described converter is connected to high voltage power supply by chopper；Main motor, described main motor electrically connects with described converter；Fluid coupling, described fluid coupling is connected with described main motor, and described fluid coupling includes: power shaft, described power shaft is fixedly installed gear wheel and described power shaft and is connected with the output shaft of described main motor；Driven shaft, described driven shaft is provided with the little gear engaged with described gear wheel, and described driven shaft is d-axis；And driving equipment, described driving equipment is driven by described driven shaft and rotates.Thus, whole fluid coupling structure is simpler, and cost is less expensive and maintenance cost reduces.
Description
Technical field
This utility model relates to coupling fluid-structure actuation techniques field, and the fluid coupling particularly relating to a kind of improvement drives
System.
Background technology
In the prior art, power plant motor drives equipment by fluid coupling.But the transmission of fluid coupling
Inefficient, thus cause power consumption relatively big, and the power consumption of the equipment of driving typically constitutes the relatively big of auxiliary power consumption rate of power plant, increases
Energy resource consumption.
In view of this, in existing loop or the system driving equipment for fluid coupling, as it is shown in figure 1, carry
Gone out a kind of converter FT that arranges between chopper K1 and main motor M, thus realize the loop to whole driving equipment or
The VFC of person's system, to reduce the operating cost in whole loop or system.The converter FT introduced has short-circuit protection
Effect, the short-circuit protection mechanism of the inside of main motor M is the most inoperative, can exit original power frequency poor during variable frequency work
Dynamic protection.
Additionally, due to introduce the reason of converter FT, the working speed of main motor M declines.Thus, main motor drive
The dynamic original main oil pump P0 in fluid coupling HC can occur to supply the phenomenon being short of power of hydraulic oil, thus at fluid power coupling
Clutch HC may damage this fluid coupling HC when driving equipment PF, thus causes factory's liability accident.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art.
To this end, this utility model needs to provide one to improve fluid coupling drive system, described system is possible not only to fall
Low operating cost, and the safety of whole system can be improved.
Improvement fluid coupling drive system according to embodiment of the present utility model includes: this system includes: converter,
Described converter is connected to high voltage power supply by chopper；Main motor, described main motor electrically connects with described converter；Liquid
Mechanical couple, described fluid coupling is connected with described main motor, and drives described in driving under the operation of described main motor
Dynamic equipment rotates, and described fluid coupling includes: power shaft, and described power shaft is fixedly installed gear wheel and described power shaft
It is connected with the output shaft of described main motor；Driven shaft, described driven shaft is provided with the little gear engaged with described gear wheel,
Described driven shaft is d-axis；And driving equipment, described driving equipment is driven by described driven shaft and rotates.Thus, whole fluid power
Coupler structure is simpler, and cost is less expensive and maintenance cost reduces.Additionally, use the mode of frequency conversion to drive equipment, not only
Reduce the cost that system is run, and improve the safety of main motor in this system.
It addition, according to improvement fluid coupling drive system of the present utility model also there is following additional technical feature:
According to an embodiment of the present utility model, described independent hydraulically controlled oil feed system includes: the first main oil pump, described
First main oil pump supplies described hydraulic oil by the first motor run and to described fluid coupling；And standby main oil pump, institute
State standby main oil pump and by the second motor run and supply to described fluid coupling when the first main oil pump breaks down described
Hydraulic oil, mechanical type oil pressure stabilisation systems, described mechanical type oil pressure stabilisation systems uses mechanical part to control oil feed line pressure,
Keep pressure stability.
Thus, by transforming the oil supply system of existing fluid coupling, such that it is able to reduce because introducing converter institute
The hydraulic oil caused is powered the phenomenon of deficiency.Additionally, by the way of the using and the reserved, improve the peace that whole system is run
Full property and seriality.
According to an embodiment of the present utility model, described fluid coupling is speed-up fluid coupler.
According to an embodiment of the present utility model, described system also includes: power frequency Bypass control unit, by described power frequency
Road control unit is arranged in parallel with described converter；And select switch, described selection to switch described main motor with described
An electrical connection in power frequency Bypass control unit and described converter.
According to an embodiment of the present utility model, select switch by described main motor and described converter electricity described
During connection, described main motor is carried out speed governing, to control described driving equipment by controlling the frequency conversion of described converter
Drive；And when described main motor is electrically connected by described selection switch with described power frequency Bypass control unit, by institute
State fluid coupling and carry out speed governing to control the rotating speed of described driving equipment.
According to an embodiment of the present utility model.Described fluid coupling includes: power shaft, and described power shaft is with described
The output shaft of main motor is connected；Gear wheel, described gear wheel is fixing with described power shaft to be connected；Little gear, described gear wheel
Engage with described gear wheel；Pump impeller, described pump impeller and described little gear are fixed on described driven shaft；Turbine, described turbine is solid
It is scheduled on output shaft and drives described driving equipment.
According to an embodiment of the present utility model, described driving equipment is water pump.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below
In become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining general the accompanying drawings below description to embodiment
Become obvious and easy to understand, wherein:
Fig. 1 is the structural representation according to existing fluid coupling drive system；
Fig. 2 is the structural representation of the fluid coupling drive system according to an embodiment of the present utility model；
Fig. 3 is the structural representation of the fluid coupling according to an embodiment of the present utility model；
Fig. 4 is showing the structure of the fluid coupling drive system according to another embodiment of the present utility model and shows
It is intended to.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng
It is exemplary for examining the embodiment that accompanying drawing describes, and is only used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
Following disclosure provides many different embodiments or example for realizing different structure of the present utility model.For
Simplification disclosure of the present utility model, hereinafter parts and setting to specific examples are described.Certainly, they the most only show
Example, and be not intended to limit this utility model.Additionally, this utility model can in different examples repeat reference numerals
And/or letter.This repetition is for purposes of simplicity and clarity, itself does not indicate discussed various embodiment and/or sets
Relation between putting.Additionally, the various specific technique that provides of this utility model and the example of material, but this area is common
Technical staff is it can be appreciated that the applicability of other techniques and/or the use of other materials.
Below with reference to the accompanying drawings coming in detail according to improvement fluid coupling drive system of the present utility model, wherein Fig. 2 is root
According to an embodiment of the present utility model, the structural representation of improvement fluid coupling drive system.
As shown in Figure 2, this system includes converter FT, main motor M, fluid coupling HC, drives equipment PF (such as
Water pump etc.), independent hydraulically controlled oil feed system.Described converter FT is connected to high voltage power supply 1 by chopper K1, according to this practicality
A novel embodiment, this high voltage power supply 1 can be industrial high voltage power supply.Main motor M electrically connects with converter FT.By
In being provided with converter FT between high voltage power supply 1 and main motor M, such that it is able to reduce driving equipment by upconversion operation
The power consumption of PF, improves the power consumption efficiency of whole system.According to an embodiment of the present utility model, during this converter FT can be
Voltage frequency changer.
According to an embodiment of the present utility model, converter FT is connected with main motor M and enters described main motor M
Row short-circuit protection.In existing motor, particularly to high-tension motor when capacity 2000kW and more than, though or capacity little
Motor in 2000kw needs differential protection, and when frequency run, the differential protection mechanism in existing motor exits work
Make；Differential protection mechanism work when power frequency operates, in motor.
As shown in Figure 2, fluid coupling HC is connected with described main motor M and described driving equipment PF respectively, and
Described driving equipment PF is driven to rotate under the operation of described main motor M.According to an embodiment of the present utility model, such as Fig. 3
Shown in middle and upper part is divided, described fluid coupling HC may include that power shaft 3, and described power shaft 3 is defeated with described main motor M's
Shaft 4 is connected；Gear wheel 5, described gear wheel 5 is fixing with described power shaft 3 to be connected；Little gear 6, described little gear 6 is with described
Gear wheel 5 engages；Pump impeller 7, described pump impeller 7 is fixed on driven shaft 11 with described little gear 6；And turbine 8, described turbine 8
It is fixed on output shaft 9 and drives described driving equipment M.
According to an embodiment of the present utility model, as shown in Fig. 3 lower part, can by described pump impeller 7, described turbine 8,
Described output shaft 9, described driven shaft 11 are removed, and are replaced by d-axis 10, and the most now fluid coupling HC includes: power shaft 3, described
It is fixedly installed gear wheel 5 and described power shaft 3 on power shaft 3 to be connected with the output shaft of described main motor M；Driven shaft 11,
Being provided with the little gear 6 engaged with described gear wheel 5 on described driven shaft 11, described driven shaft 11 is d-axis, and by this d-axis
The driving equipment driving such as water pump rotates, and the most whole fluid coupling structure is simpler, and cost is less expensive and maintenance cost
Reduce.
According to an embodiment of the present utility model, this system also includes independent hydraulically controlled oil feed system, described hydraulic oil
Feed system is by hydraulic oil supply to fluid coupling HC.Different from traditional design, this hydraulic feed system is independent of main electricity
The dragging of motivation, and individually fluid coupling HC is supplied hydraulic oil, thus overcome traditional, in main motor M speed
The first wife main oil pump PO of the fluid coupling HC dragged when changing is for shortage of oil or discontinuous situation.According to this reality
By a novel embodiment, as shown in Figure 2, this independent hydraulically controlled oil feed system includes: the first main oil pump PO1, described the
One main oil pump PO1 is dragged by the first motor M1 and supplies described hydraulic oil to described fluid coupling HC；And standby main oil
Pump PO2, described standby main oil pump PO2 are dragged and when the first main oil pump PO1 breaks down to described liquid by the second motor M2
Mechanical couple HC supplies described hydraulic oil；And mechanical type oil pressure stabilisation systems W, described mechanical type oil pressure stabilisation systems W uses
Mechanical part controls oil feed line pressure, keeps pressure stability.
Thus, by transforming the oil supply system of existing fluid coupling, such that it is able to reduce because introducing converter FT
The hydraulic oil caused is powered the phenomenon of deficiency.Additionally, by the way of the using and the reserved, improve what whole system was run
Safety and the seriality of work.And the speed-regulating function of fluid coupling HC is changed over constant speed output function, thus reduce and drive
The power consumption of dynamic equipment.
Additionally, in these cases, first wife main oil pump PO set on fluid coupling can be retained.
According to an embodiment of the present utility model, described system also includes: power frequency Bypass control unit 19, described power frequency
Bypass control unit 19 is arranged in parallel with described converter FT；Selecting switch K2, described selection switch K2 is by main motor M and work
Frequently an electrical connection in Bypass control unit 19 and converter FT.From there through selecting switch K2 supporting power frequency Bypass Control
Unit 19, when normal operating, selects switch K2 to be connected with converter FT, now fluid coupling HC constant speed output, and passes through
Converter FT carrys out speed governing, to reduce the power consumption of driving equipment.It should be noted that " select switch " herein referring to can be to change
Frequently device FT and power frequency Bypass control unit 19 carry out any switch module selected, such as this selection switch can be individually choosing
Select switching device, it is also possible to be two or more single switch combinations or any other can realize converter FT
Selection with power frequency Bypass control unit 9 carries out any switching device implemented.When converter FT breaks down or needs inspection
Repair or when needing other situations of switching, by selecting switch K2 to be connected with power frequency Bypass control unit 19, so that
Power frequency Bypass control unit 19 runs, and is now carried out speed governing by fluid coupling HC, and drives this driving equipment operation, thus
Guarantee the security reliability of whole system.
According to an embodiment of the present utility model, when selecting switch K2 to be electrically connected with converter FT by main motor M,
Main motor M is carried out speed governing, to control the driving of driving equipment PF by controlling the frequency conversion of described converter FT.Selecting
When main motor M is electrically connected by switch K2 with described power frequency Bypass control unit 19, by fluid coupling HC is carried out speed governing
Control the driving of this driving equipment PF.
Fig. 4 shows that the structure improving fluid coupling drive system according to another embodiment of the present utility model is shown
It is intended to.In the diagram, converter FT have employed 1 and drags 2 or 1 to drag many structures.The simple in construction of 2 will be dragged to say with 1 below
Bright.As shown in Figure 4, system can include multiple corresponding with multiple main motor M of multiple main motor M of such as 2
Driving equipment PF and multiple fluid coupling HC.It should be noted that in the diagram, at main motor M to driving between equipment PF
All attachment structures with aforementioned be same or like, thus detailed description thereof is omitted herein.
As shown in Figure 4, fluid coupling HC drives the driving equipment PF of correspondence respectively, and converter FT is with the plurality of
In main motor M one is connected.In the diagram, by switching switch K11 as depicted, K11', K12, K12', K13,
The structure of K13' and realize in converter FT and two main motor M and be connected.Such as, switching switch Kl1, K12 Guan Bi,
K13 disconnects, and Kl1', K12' disconnect, and Kl3' closes, thus realizing first driving equipment is converting operation, and second driving sets
Standby standby for power frequency.Alternatively, switching switch K1, K2 can disconnect, and K3 closes, and K1', K2' close, and K3' disconnects, and now first
Individual driving equipment is that power frequency is standby, and second driving equipment is converting operation.
Thus this utility model may apply to the one of converter FT and drags in many systems, such that it is able to converter is switched
In the current driving device systems run, and improve the synchronization utilization ratio of converter FT and other equipment.
In the diagram, under normal mode of operation, alternatively, drive by the way of converter FT frequency conversion therein
One drives equipment (not shown) to operate, and another drives equipment (not shown) standby.Optionally as well, another drives
Equipment can also be driven by the speed governing of fluid coupling HC, and this one of them driving equipment sparing.Additionally, should
Can regularly switch between first driving equipment and the second driving equipment, to synchronize to maintain the consume of whole system, with
The service life making whole system is optimal.
In the present embodiment, converter FT uses the working method of one drag two, has both added the regular switching of driving equipment,
Too increase the safety of whole system, the most standby.According under a kind of mode of operation of the present utility model, two drivings set
The control by converter FT in Bei and carry out speed governing operation.According to another kind of mode of operation of the present utility model
Under, another in described converter FT stopping frequency conversion and described driving equipment is run by the speed governing of fluid coupling.By
This realizes the standby and regular switching of these two pumps.
Below by lower for simple declaration as shown in Figure 2, the work process of improvement fluid coupling drive system.
In normal operating conditions, converter FT is by selecting switch K2 to electrically connect with main motor M.Now, fluid power coupling
Clutch HC output speed is the highest, by converter FT frequency conversion to driving motor to carry out speed governing operation, then by this speedup
After the speedup of type fluid coupling, drag driving equipment run, now, this fluid coupling HC constant speed export, now by
In the effect of the frequency conversion of converter FT, and the power consumption of whole system is greatly reduced.In above process.
In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " concrete example " or " some examples " etc. means to combine this embodiment or the specific features of example description, knot
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can combine in any one or more embodiments or example in an appropriate manner.
Embodiment the most of the present utility model, it will be understood by those skilled in the art that:
Without departing from these embodiments can be carried out in the case of principle of the present utility model and objective multiple change, revise, replace and
Modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (6)
1. a fluid coupling drive system, it is characterised in that including:
Converter, described converter is connected to high voltage power supply by chopper；
Main motor, described main motor electrically connects with described converter；
Fluid coupling, described fluid coupling is connected with described main motor, and described fluid coupling includes:
Power shaft, described power shaft is fixedly installed the output shaft phase of gear wheel and described power shaft and described main motor
Even；
Driven shaft, described driven shaft is provided with the little gear engaged with described gear wheel, and described driven shaft is d-axis；And
Driving equipment, described driving equipment is driven by described driven shaft and rotates.
Fluid coupling drive system the most according to claim 1, it is characterised in that farther include independent hydraulically controlled oil and supply
To system, described independent hydraulically controlled oil feed system is by hydraulic oil supply to described fluid coupling, and described independent hydraulically controlled oil supplies
System includes:
First main oil pump, described first main oil pump supplies hydraulic oil by the first motor run and to described fluid coupling；With
And
Standby main oil pump, described standby main oil pump by the second motor run and when the first main oil pump breaks down to described liquid
Mechanical couple supplies described hydraulic oil；And
Mechanical type oil pressure stabilisation systems, described mechanical type oil pressure stabilisation systems controls oil feed line pressure.
Fluid coupling drive system the most according to claim 1, it is characterised in that described fluid coupling is acceleration type
Fluid coupling.
Fluid coupling drive system the most according to claim 1, it is characterised in that also include:
Power frequency Bypass control unit, described power frequency Bypass control unit is arranged in parallel with described converter；And
Switch, described selection is selected to switch in described main motor and described power frequency Bypass control unit and described converter
One electrical connection.
Fluid coupling drive system the most according to claim 4, it is characterised in that select switch by described master described
In the case of motor electrically connects with described converter, described converter is controlled frequency conversion so that described main motor is carried out speed governing
And control the rotating speed of described driving equipment；And
In the case of described main motor is electrically connected by described selection switch with described power frequency Bypass control unit, by institute
State fluid coupling and carry out speed governing to control the driving of described driving equipment.
Fluid coupling drive system the most according to claim 1, it is characterised in that described driving equipment is water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576136.7U CN205693509U (en) | 2015-07-31 | 2015-07-31 | Fluid coupling drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576136.7U CN205693509U (en) | 2015-07-31 | 2015-07-31 | Fluid coupling drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205693509U true CN205693509U (en) | 2016-11-16 |
Family
ID=57263578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520576136.7U Expired - Fee Related CN205693509U (en) | 2015-07-31 | 2015-07-31 | Fluid coupling drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205693509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074028A (en) * | 2021-04-22 | 2021-07-06 | 中创清洁能源发展（沈阳）股份有限公司 | Flue gas low-temperature waste heat power generation system utilizing generator set |
-
2015
- 2015-07-31 CN CN201520576136.7U patent/CN205693509U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074028A (en) * | 2021-04-22 | 2021-07-06 | 中创清洁能源发展（沈阳）股份有限公司 | Flue gas low-temperature waste heat power generation system utilizing generator set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20190731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |