CN106763696A - Gear box lubricating oil heating control system and method and wind generating set - Google Patents
Gear box lubricating oil heating control system and method and wind generating set Download PDFInfo
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- CN106763696A CN106763696A CN201611207890.9A CN201611207890A CN106763696A CN 106763696 A CN106763696 A CN 106763696A CN 201611207890 A CN201611207890 A CN 201611207890A CN 106763696 A CN106763696 A CN 106763696A
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- lubricating oil
- temperature
- heater
- heating tube
- circulation
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 245
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 223
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000005461 lubrication Methods 0.000 claims abstract description 9
- 239000000314 lubricant Substances 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 18
- 239000003921 oil Substances 0.000 claims description 10
- 230000001050 lubricating effect Effects 0.000 abstract 3
- 230000009467 reduction Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention provides a gear box lubricating oil heating control system, a gear box lubricating oil heating control method and a wind generating set, wherein the gear box lubricating oil heating control method is used for controlling the temperature of lubricating oil supplied to a lubricating part of a gear box through a circulating heating pipeline and comprises the following steps: detecting a first temperature T1 of the lubricating oil at the lubrication site; receiving the first temperature T1; and comparing the first temperature T1 with a first preset temperature threshold Ts1, if T1 is less than or equal to Ts1, starting a circulating pump to drive lubricating oil to circulate in the circulating heating pipeline at a first flow speed V1, and starting a heater to heat the lubricating oil flowing through the circulating heating pipeline at a first power W1. The gear box lubricating oil heating control system, the gear box lubricating oil heating control method and the wind generating set provided by the embodiment of the invention can effectively control the temperature of the lubricating oil supplied to the lubricating part of the gear box, and ensure the normal operation of the lubricating part of the gear box.
Description
Technical field
The invention belongs to technical field of wind power generation, more particularly to a kind of gear box lubricating oil heating control system and method
And wind power generating set.
Background technology
At present, the gear-box heating of wind-driven generator is by way of installing electric heater in the oil groove of gear-box bottom
To carry out the heating to gear-box and lubricating oil.This heater efficiency is low and the heat time is long, especially under cryogenic
It is especially apparent and this local heating mode is heated and uneven easilys lead to that local temperature is too high to cause oil ageing to become
Matter even chemical breakdown.This heater is arranged at the oil groove of gear-box bottom, and the efficiency of heating surface is subject to the flowing speed of lubricating oil
Degree influence is larger；Usually, flowing velocity of the lubricating oil in oil groove will be much smaller than the flowing velocity on outer loop pipeline, institute
To result in a part, near the lubricating oil of heater, because flowing velocity is slow, temperature is too high, and if heater is once damaged
Bad, changing heater and need to take whole gear-box apart can just be carried out, and cause to change difficult.Meanwhile, oil groove indoor design heater,
Because the lubricating oil in oil groove is different apart from the far and near distance of heater thus lubricating oil heating is uneven, so also being difficult to temperature
It is effectively controlled.
The content of the invention
The present invention provides a kind of gear box lubricating oil heating control system, method and wind power generating set, solves existing skill
The problem that art can not control effectively to the temperature of lubricating oil.
In a first aspect, a kind of gear box lubricating oil method for heating and controlling is the embodiment of the invention provides, for by following
The temperature that ring heating pipeline is fed to the lubricating oil of the lubricant housings of gear-box is controlled, including：
Detect the first temperature T1 of the lubricating oil of the lubricant housings；
Receive the first temperature T1；
The first temperature T1 is compared with the first preset temperature threshold value Ts1, if T1≤Ts1, is started circulating pump and is driven profit
Lubricating oil is circulated with the first flow velocity V1 in the circulation heating tube, and starts heater with the first power W1 to flowing through described following
The lubricating oil of ring heating pipeline is heated.
Selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, also includes：
Start after the circulating pump, restart the heater by the first preset time t 1, it is preferable that described first
Preset time t 1 >=120 second；
Or, while starting the circulating pump and the heater.
Selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, also includes：
The second temperature T2 on the circulation heating tube surface at detection heating position, and/or, detection heating position two ends
The circulation heating tube in lubricating oil temperature difference △ T；
Receive the second temperature T2 and/or temperature difference △ T；
The second temperature T2 is compared with the second preset temperature threshold value Ts2, and/or, by the temperature difference △ T and first
Temperature difference threshold △ T1 compare, wherein Ts2 ＞ Ts1；
If T2 >=Ts2, and/or, △ T >=△ T1 control the heater to add to flowing through the circulation with the second power W2
The lubricating oil of pipe line is heated, wherein W1 ＞ W2, and/or, control the circulating pump to drive lubricating oil with second flow speed V2
Circulated in the circulation heating tube, wherein V1 ＜ V2；
Wherein it is preferred to, the span of the second preset temperature threshold value Ts2 is [45 DEG C, 50 DEG C], and/or, it is described
The span of the first temperature difference threshold △ T1 is [25 DEG C, 30 DEG C].
Selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, also includes：
The second temperature T2 is compared with the 3rd preset temperature threshold value Ts3, and/or, by the temperature difference △ T and second
Temperature difference threshold △ T2 compare, wherein Ts3 ＞ Ts2, △ T2 ＞ △ T1；
If T2 >=Ts3, and/or, △ T >=△ T2 control the heater to add to flowing through the circulation with the 3rd power W3
The lubricating oil of pipe line is heated, wherein W2 ＞ W3, and/or, control the circulating pump to drive lubricating oil with the 3rd flow velocity V3
Circulated in the circulation heating tube, wherein V2 ＜ V3；
Wherein it is preferred to, the span of the 3rd preset temperature threshold value Ts3 is [50 DEG C, 55 DEG C], and/or, it is described
The span of the first temperature difference threshold △ T1 is [30 DEG C, 35 DEG C].
Selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, also includes：
The second temperature T2 is compared with the 4th preset temperature threshold value Ts4, and/or, by the temperature difference △ T and second
Temperature difference threshold △ T3 compare, wherein Ts4 ＞ Ts3, △ T3 ＞ △ T2；
If T2 >=Ts4, and/or, △ T >=△ T3 control the heater to stop to flowing through the circulation heating tube
Lubricating oil is heated, while controlling the circulating pump to drive lubricating oil to be followed in the circulation heating tube with the 4th flow velocity V4
Ring, wherein V3≤V4；
Wherein it is preferred to, the span of the 4th preset temperature threshold value Ts4 is [60 DEG C, 70 DEG C], and/or, it is described
The span of the 3rd temperature difference threshold △ T3 is [35 DEG C, 45 DEG C].
Selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, also includes：
The lubricating oil for controlling the heater to stop to flowing through the circulation heating tube is heated, default by second
Time t2 controls the circulating pump to stop；Preferably, second preset time t 2 >=300 seconds.
Selectively, the span of the first preset temperature threshold value Ts1 is [- 10 DEG C, 10 DEG C].
Second aspect, the embodiment of the present invention additionally provides a kind of gear box lubricating oil heating control system, for passing through
The temperature that circulation heating tube is fed to the lubricating oil of the lubricant housings of gear-box carries out computer heating control, including：
First temperature sensor, is arranged at the lubricant housings, and first of the lubricating oil for detecting the lubricant housings
Temperature T1；
Circulating pump, is arranged at the circulation heating tube, for driving lubricating oil in the circulation heating tube interior circulation；
Heater, is arranged at the circulation heating tube, for adding to flowing through the lubricating oil in the circulation heating tube
Heat；
Controller, for receiving the first temperature T1；And by the first temperature T1 and the first preset temperature threshold value Ts1
Compare, if T1≤Ts1, start the circulating pump and drive lubricating oil to be circulated in the circulation heating tube with the first flow velocity V1,
And start the heater lubricating oil for flowing through the circulation heating tube is heated with the first power W1.
Selectively, the controller, is additionally operable to after the control startup circulating pump, by the first preset time t 1 again
Start the heater, it is preferable that first preset time t 1 >=120 second；
Or, the controller is additionally operable to control while starting the circulating pump and the heater.
Selectively, gear box lubricating oil heating control system provided in an embodiment of the present invention, also includes：
Second temperature sensor, is arranged at the table at the heating position that the heater is heated to the circulation heating tube
Face, the second temperature T2 for detecting heating position, and/or,
Three-temperature sensor, is arranged at the entrance one end at the heating position, is followed described in entrance one end for detecting
The temperature of the lubricating oil in ring heating pipeline, and
4th temperature sensor, is arranged at the exit end at the heating position, followed described in exit end for being detected
The temperature of the lubricating oil in ring heating pipeline；
Correspondingly, the controller is additionally operable to receive the described of the second temperature T2 and/or heating position two ends
The temperature difference △ T of the lubricating oil in circulation heating tube；
The controller is additionally operable to second temperature T2 described in comparing and the second preset temperature threshold value Ts2, and/or, the control
Device processed is additionally operable to temperature difference △ T described in comparing and the first temperature difference threshold △ T1, wherein Ts2 ＞ Ts1；
If T2 >=Ts2, and/or, △ T >=△ T1, the controller control heater is described to flowing through with the second power W2
The lubricating oil of circulation heating tube is heated, wherein W1 ＞ W2, and/or, the controller control circulating pump drives lubricating oil
Circulated in the circulation heating tube with second flow speed V2, wherein V1 ＜ V2；
Wherein it is preferred to, the span of the second preset temperature threshold value Ts2 is [45 DEG C, 50 DEG C], and/or, it is described
The span of the first temperature difference threshold △ T1 is [25 DEG C, 30 DEG C].
Selectively, the controller is additionally operable to second temperature T2 described in comparing and the 3rd preset temperature threshold value Ts3, and/
Or, the controller is additionally operable to temperature difference △ T described in comparing and the second temperature difference threshold △ T2, wherein Ts3 ＞ Ts2, △ T2 ＞ △
T1；
If T2 >=Ts3, and/or, △ T >=△ T2, the controller control heater is described to flowing through with the 3rd power W3
The lubricating oil of circulation heating tube is heated, wherein W2 ＞ W3, and/or, the controller control circulating pump drives lubricating oil
Circulated in the circulation heating tube with the 3rd flow velocity V3, wherein V2 ＜ V3；
Wherein it is preferred to, the span of the 3rd preset temperature threshold value Ts3 is [50 DEG C, 55 DEG C], and/or, it is described
The span of the first temperature difference threshold △ T1 is [30 DEG C, 35 DEG C].
Selectively, the controller is additionally operable to second temperature T2 described in comparing and the 4th preset temperature threshold value Ts4, and/
Or, the controller is additionally operable to temperature difference △ T described in comparing and the second temperature difference threshold △ T3, wherein Ts4 ＞ Ts3, △ T3 ＞ △
T2；
If T2 >=Ts4, and/or, △ T >=△ T3, the controller controls the heater to stop to flowing through the circulation
The lubricating oil for heating pipeline is heated, while controlling the circulating pump to drive lubricating oil to add in the circulation with the 4th flow velocity V4
Circulated in pipe line, wherein V3≤V4；
Wherein it is preferred to, the span of the 4th preset temperature threshold value Ts4 is [60 DEG C, 70 DEG C], and/or, it is described
The span of the 3rd temperature difference threshold △ T3 is [35 DEG C, 45 DEG C].
Selectively, the controller controls the heater to stop entering the lubricating oil for flowing through the circulation heating tube
Row heating, stops by the control circulating pump of the second preset time t 2；Preferably, the second preset time t 2 >=300 seconds.
Selectively, gear box lubricating oil heating control system provided in an embodiment of the present invention, also includes：
First frequency converter, the controller is by heater described in first Frequency Converter Control；And/or,
Second frequency converter, the controller is by circulating pump described in second Frequency Converter Control.
Selectively, the span of the first preset temperature threshold value Ts1 is [- 10 DEG C, 10 DEG C].
The third aspect, the embodiment of the present invention additionally provides a kind of wind power generating set, including gear-box, using the above
Gear box lubricating oil method for heating and controlling is heated to the lubricating oil of the circulation heating tube of the gear-box, or, it is more than use
The gear box lubricating oil heating control system.
Gear box lubricating oil heating control system provided in an embodiment of the present invention, method and wind power generating set, can be right
The temperature of the lubricating oil of the lubricant housings of supply gear case is effectively controlled, it is ensured that the normal fortune of the lubricant housings of gear-box
Turn.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for the embodiment of the present invention
Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the control flow chart of the gear box lubricating oil method for heating and controlling that one embodiment of the invention is provided.
Fig. 2 is the control flow chart of the delayed startup heater that one embodiment of the invention is provided.
Fig. 3 is the control flow chart of the gear box lubricating oil method for heating and controlling that further embodiment of this invention is provided.
Fig. 4 is the control flow chart of the time-delay closing circulating pump that one embodiment of the invention is provided.
Fig. 5 is the structural representation of the gear box lubricating oil heating control system that one embodiment of the invention is provided.
Fig. 6 is the control flow chart of the time-delay closing circulating pump that one embodiment of the invention is provided.
Fig. 7 is the control flow chart of the time-delay closing circulating pump that one embodiment of the invention is provided.
In figure：
10th, gear-box；11st, circulating pump；12nd, heater；13rd, lubricant housings；15th, circulation heating tube；16th, the first temperature
Sensor；17th, second temperature sensor；18th, three-temperature sensor；19th, the 4th temperature sensor；20th, controller；21st,
One frequency converter；22nd, the second frequency converter.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, it is proposed that many details, to provide complete understanding of the present invention.But, to those skilled in the art
It will be apparent that the present invention can be implemented in the case of some details in not needing these details.Below to implementing
The description of example is better understood from just for the sake of being provided by showing example of the invention to of the invention.The invention is not restricted to
Any concrete configuration set forth below and algorithm, but element, portion are covered under the premise of without departing from the spirit of the present invention
Any modification, replacement and the improvement of part and algorithm.In the the accompanying drawings and the following description, known structure and technology is not shown,
To avoid that unnecessary obscuring is caused to the present invention.
As shown in figure 1, a kind of gear box lubricating oil method for heating and controlling is the embodiment of the invention provides, for by following
The temperature that ring heating pipeline is fed to the lubricating oil of the lubricant housings of gear-box is controlled, including：
Detect the first temperature T1 of the lubricating oil of lubricant housings；
Receive the first temperature T1；
First temperature T1 is compared with the first preset temperature threshold value Ts1, if T1≤Ts1, is started circulating pump and is driven lubricating oil
Circulated in circulation heating tube with the first flow velocity V1, and start heater with the first power W1 to flowing through circulation heating tube
Lubricating oil is heated.
The gear box lubricating oil method for heating and controlling that the present embodiment is provided, can control the lubricating oil at gearbox lubrication position
Start circulating pump when temperature is less than setting value (the first preset temperature threshold value Ts1) and heater is heated to lubricating oil, to keep away
Exempt from that lubricating oil temperature is too low to cause the problem of lack of lubrication, it is ensured that the normal operation of lubricant housings.
Wherein, selectively, quality and lubricant housings of the span of the first preset temperature threshold value Ts1 according to lubricating oil
Requirement depending on, usually, the span of the first preset temperature threshold value Ts1 is [- 10 DEG C, 10 DEG C], those skilled in the art
Can suitably adjust within this range, for the requirement of the lubricating oil and lubricant housings of special trait, not be with this span
Limit.
As shown in Fig. 2 selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention also includes：
Start after circulating pump, heater is restarted by the first preset time t 1, it is preferable that the first preset time t 1 >=
120 seconds.Normally, can so avoid heater from first starting, cause to make profit to the lubricating oil continuous heating of heater locations
Oil temperature is too high and rotten；By first starting circulating pump, lubricating oil is set to start after circulation heating tube interior circulation, then open
Dynamic heater, can effectively ensure the quality of lubricating oil, it is to avoid lubricating oil temperature is too high and rotten.
Or, the understanding based on those skilled in the art, it is also possible to according to start simultaneously the need for use circulating pump and
Heater, now requires that heater should be at relatively low power and start to start heating, also for the product for ensureing lubricating oil
Matter, especially, can prevent the efficiency of heating surface of heater too high, and the flow velocity of lubricating oil causes lubricating oil temperature liter to exceed slowly excessively
Fast problem.
As shown in Fig. 3, Fig. 6, Fig. 7, selectively, gear box lubricating oil computer heating control side provided in an embodiment of the present invention
Method, also includes：
The second temperature T2 on the circulation heating tube surface at detection heating position, and/or, following for position two ends is heated in detection
The temperature difference △ T of the lubricating oil in ring heating pipeline；
Receive second temperature T2 and/or temperature difference △ T；
Second temperature T2 is compared with the second preset temperature threshold value Ts2, and/or, by temperature difference △ T and the first temperature difference threshold
△ T1 compare, wherein Ts2 ＞ Ts1；Two conditions in this step, can only select one of those, it is also possible to simultaneous selection
Two；
If T2 >=Ts2, and/or, △ T >=△ T1, usually, two conditions meet one of them can both be judged,
But judged again after can also simultaneously meeting two conditions, following treatment is carried out according to the result for judging：
Control heater is heated with the second power W2 to the lubricating oil for flowing through circulation heating tube, wherein W1 ＞ W2,
Heater reduction heating power is operated, to reduce temperature difference △ T and second temperature T2, and/or,
Control circulating pump drives lubricating oil to be circulated in circulation heating tube with second flow speed V2, and wherein V1 ＜ V2 make profit
The flow velocity lifting of lubricating oil, takes away more heats, to reduce temperature difference △ T and second temperature T2；
Wherein it is preferred to, the span of the second preset temperature threshold value Ts2 is [45 DEG C, 50 DEG C], and/or, first temperature difference
The span of threshold value △ T1 is [25 DEG C, 30 DEG C].
In the present embodiment, can be separately through the second temperature T2 on the circulation heating tube surface at detection heating position, control
System reduces the efficiency of heating surface of heater, or control improves the flow velocity of lubricating oil, so as to ensure the of circulation heating tube surface
Two temperature T2 reductions；Can also be separately through the temperature difference △ of the lubricating oil in the circulation heating tube at detection heating position two ends
T, control reduces the efficiency of heating surface of heater, or control improves the flow velocity of lubricating oil, so as to ensure circulation heating tube surface
Second temperature T2 reduction.
Present embodiments provide beyond two kinds of selections, can also be by the circulating-heating pipe at the position of detection heating simultaneously
The temperature difference △ T of the second temperature T2 of road surfaces, the lubricating oil heated in the circulation heating tube at position two ends, control is reduced and added
The efficiency of heating surface of hot device, or control improves the flow velocity of lubricating oil, so as to ensure the second temperature T2 on circulation heating tube surface
Reduce, such effect more preferably, can more effectively ensure that lubricating oil will not be too high and rotten because of temperature.
Selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, also includes：
Second temperature T2 is compared with the 3rd preset temperature threshold value Ts3, and/or, by temperature difference △ T and the second temperature difference threshold
△ T2 compare, wherein Ts3 ＞ Ts2, △ T2 ＞ △ T1；Two conditions in this step, can only select one of those, also may be used
With simultaneous selection two；
If T2 >=Ts3, and/or, △ T >=△ T2, usually, two conditions meet one of them can both be judged,
But judged again after can also simultaneously meeting two conditions, following treatment is carried out according to the result for judging：
Control heater is heated with the 3rd power W3 to the lubricating oil for flowing through circulation heating tube, wherein W2 ＞ W3,
Heater reduction heating power is operated, to reduce temperature difference △ T and second temperature T2, and/or,
Control circulating pump drives lubricating oil to be circulated in circulation heating tube with the 3rd flow velocity V3, and wherein V2 ＜ V3 make profit
The flow velocity lifting of lubricating oil, takes away more heats, to reduce temperature difference △ T and second temperature T2；
Wherein it is preferred to, the span of the 3rd preset temperature threshold value Ts3 is [50 DEG C, 55 DEG C], and/or, first temperature difference
The span of threshold value △ T1 is [30 DEG C, 35 DEG C].
In the present embodiment, can be separately through the second temperature T2 on the circulation heating tube surface at detection heating position, control
System further reduce heater the efficiency of heating surface, or control further improve lubricating oil flow velocity (or control simultaneously it is low plus
The efficiency of heating surface of hot device, the flow velocity for improving lubricating oil), so as to ensure the second temperature T2 reductions on circulation heating tube surface；
Can further be dropped separately through the temperature difference △ T of the lubricating oil in the circulation heating tube at detection heating position two ends, control
The efficiency of heating surface of low heater, or control further improves the flow velocity of lubricating oil and (or controls the heating of low heater simultaneously
Efficiency, the flow velocity for improving lubricating oil), so as to ensure the second temperature T2 reductions on circulation heating tube surface.
Present embodiments provide beyond two kinds of selections, can also be by the circulating-heating pipe at the position of detection heating simultaneously
The temperature difference △ T of the second temperature T2 of road surfaces, the lubricating oil heated in the circulation heating tube at position two ends, control is further
Reduce heater the efficiency of heating surface, or control further improve lubricating oil flow velocity (or control simultaneously low heater plus
The thermal efficiency, the flow velocity for improving lubricating oil), so as to ensure the second temperature T2 reductions on circulation heating tube surface, such effect
More preferably, can more effectively ensure that lubricating oil will not be too high and rotten because of temperature；The efficiency of heating surface of lubricating oil is improved, profit is reduced
The heat time of lubricating oil, reduce heating loss.
Selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, also includes：
Second temperature T2 is compared with the 4th preset temperature threshold value Ts4, and/or, by temperature difference △ T and the second temperature difference threshold
△ T3 compare, wherein Ts4 ＞ Ts3, △ T3 ＞ △ T2；Two conditions in this step, can only select one of those, also may be used
With simultaneous selection two；
If T2 >=Ts4, and/or, △ T >=△ T3, usually, two conditions meet one of them can both be judged,
But judged again after can also simultaneously meeting two conditions, following treatment is carried out according to the result for judging：
Control heater stops heating the lubricating oil for flowing through circulation heating tube, while controlling circulating pump to drive profit
Lubricating oil is circulated with the 4th flow velocity V4 in circulation heating tube, wherein V3≤V4；That is, the flow velocity of lubricating oil can now be ensured not
Become, it is also possible to further lift the flow velocity of lubricating oil, lubricating oil is not caused by too fast heating with the temperature for ensuring lubricating oil
It is rotten；
Wherein it is preferred to, the span of the 4th preset temperature threshold value Ts4 is [60 DEG C, 70 DEG C], and/or, the 3rd temperature difference
The span of threshold value △ T3 is [35 DEG C, 45 DEG C].
In the present embodiment, after the temperature upper limit (the 4th preset temperature threshold value Ts4) that second temperature T2 reaches setting, can
To control to stop heater, to avoid lubricating oil temperature too high and rotten；But the flow velocity of control lubricating oil keeps original simultaneously
Speed or speed higher, it is to avoid cause heater local temperature too high because stopping circulating pump, and then cause lubricating oil to become
The problem of matter.
As shown in figure 4, selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention also includes：
Control heater stops heating the lubricating oil for flowing through circulation heating tube, is controlled by the second preset time t 2
Circulating pump processed stops；Preferably, the second preset time t 2 >=300 seconds.After being closed in heater, heater still can be right
Lubricating oil is heated, so the method for stopping circulating pump by above-mentioned delays time to control, can ensure profit after heater is closed
Lubricating oil still can persistently take away the heat on heater, it is to avoid lubricating oil stops circulation and causes heater to the profit of position
Lubricating oil over-heating and cause deterioration of lubricant.
As shown in figure 5, simultaneously combining Fig. 1-4, Fig. 6-7, the embodiment of the present invention also provides a kind of gear box lubricating oil heating control
System processed, the temperature for the lubricating oil of the lubricant housings 13 to being fed to gear-box 10 by circulation heating tube 15 is added
Thermal control, including：
First temperature sensor 16, is arranged at lubricant housings 13, and first of the lubricating oil for detecting lubricant housings 1313
Temperature T1；
Circulating pump 11, is arranged at circulation heating tube 15, for driving lubricating oil in the interior circulation of circulation heating tube 15；
Heater 12, is arranged at circulation heating tube 15, for flowing through the heating of the lubricating oil in circulation heating tube 15；
Controller 20, for receiving the first temperature T1；And compare the first temperature T1 with the first preset temperature threshold value Ts1,
If T1≤Ts1, start circulating pump 11 and drive lubricating oil to be circulated in circulation heating tube 15 with the first flow velocity V1, and start heating
Device 12 is heated with the first power W1 to the lubricating oil for flowing through circulation heating tube 15.
The gear box lubricating oil heating control system that the present embodiment is provided, can control the lubrication at gearbox lubrication position 13
Start circulating pump when oil temperature is less than setting value (the first preset temperature threshold value Ts1) and heater is heated to lubricating oil, with
Avoid that lubricating oil temperature is too low to cause the problem of lack of lubrication, it is ensured that the normal operation of lubricant housings.
Wherein, selectively, quality and lubricant housings of the span of the first preset temperature threshold value Ts1 according to lubricating oil
Requirement depending on, usually, the span of the first preset temperature threshold value Ts1 is [- 10 DEG C, 10 DEG C], those skilled in the art
Can suitably adjust within this range, for the requirement of the lubricating oil and lubricant housings of special trait, not be with this span
Limit.
Selectively, controller 20 is additionally operable to after control startup circulating pump 11, is restarted by the first preset time t 1
Heater 12, it is preferable that the first preset time t 1 >=120 second；Normally, heater can be so avoided first to start, it is right to cause
The lubricating oil continuous heating of heater locations and make lubricating oil temperature too high and rotten；By first starting circulating pump, make lubricating oil
Start after circulation heating tube interior circulation, restart heater, can effectively ensure the quality of lubricating oil, it is to avoid lubricating oil
Temperature is too high and rotten.
Or, the understanding based on those skilled in the art, it is also possible to controlled together by controller 20 according to the need for use
Shi Qidong circulating pumps 11 and heater 12.Now require that heater should be at relatively low power and start to start heating, be also
In order to ensure the quality of lubricating oil, especially, the efficiency of heating surface of heater can be prevented too high, and the flow velocity of lubricating oil is led slowly excessively
Lubricating oil temperature is caused to raise too fast problem.
Selectively, gear box lubricating oil heating control system provided in an embodiment of the present invention, also includes：
Second temperature sensor 17, is arranged at the surface at the heating position that heater 12 is heated to circulation heating tube 15,
Second temperature T2 for detecting heating position, and/or,
Three-temperature sensor 18, is arranged at the entrance one end at heating position, the circulating-heating for detecting entrance one end
The temperature of the lubricating oil in pipeline 15, and
4th temperature sensor 19, is arranged at the exit end at heating position, the circulating-heating for detecting exit end
The temperature of the lubricating oil in pipeline 15；
Correspondingly, controller 20 is additionally operable to the circulation heating tube 15 for receiving second temperature T2 and/or heating position two ends
The temperature difference △ T of interior lubricating oil；
Controller 20 is additionally operable to compare second temperature T2 and the second preset temperature threshold value Ts2, and/or, controller 20 is also used
In C.T difference △ T and the first temperature difference threshold △ T1, wherein Ts2 ＞ Ts1；
If T2 >=Ts2, and/or, △ T >=△ T1, usually, two conditions meet one of them can both be judged,
But judged again after can also simultaneously meeting two conditions, following treatment is carried out according to the result for judging：
The control heater 12 of controller 20 is heated with the second power W2 to the lubricating oil for flowing through circulation heating tube 15,
Wherein W1 ＞ W2, operate heater reduction heating power, to reduce temperature difference △ T and second temperature T2, and/or,
The control circulating pump 11 of controller 20 drives lubricating oil to be circulated in circulation heating tube 15 with second flow speed V2, wherein
V1 ＜ V2, lift the flow velocity of lubricating oil, take away more heats, to reduce temperature difference △ T and second temperature T2；
Wherein it is preferred to, the span of the second preset temperature threshold value Ts2 is [45 DEG C, 50 DEG C], and/or, first temperature difference
The span of threshold value △ T1 is [25 DEG C, 30 DEG C].
In the present embodiment, can be separately through the second temperature T2 on the circulation heating tube surface at detection heating position, control
System reduces the efficiency of heating surface of heater, or control improves the flow velocity of lubricating oil, so as to ensure the of circulation heating tube surface
Two temperature T2 reductions；Can also be separately through the temperature difference △ of the lubricating oil in the circulation heating tube at detection heating position two ends
T, control reduces the efficiency of heating surface of heater, or control improves the flow velocity of lubricating oil, so as to ensure circulation heating tube surface
Second temperature T2 reduction.
Present embodiments provide beyond two kinds of selections, can also be by the circulating-heating pipe at the position of detection heating simultaneously
The temperature difference △ T of the second temperature T2 of road surfaces, the lubricating oil heated in the circulation heating tube at position two ends, control is reduced and added
The efficiency of heating surface of hot device, or control improves the flow velocity of lubricating oil, so as to ensure the second temperature T2 on circulation heating tube surface
Reduce, such effect more preferably, can more effectively ensure that lubricating oil will not be too high and rotten because of temperature；Improve lubricating oil
The efficiency of heating surface, reduces the heat time of lubricating oil, reduces heating loss.
Selectively, controller 20 is additionally operable to compare second temperature T2 and the 3rd preset temperature threshold value Ts3, and/or, control
Device 20 is additionally operable to C.T difference △ T and the second temperature difference threshold △ T2, wherein Ts3 ＞ Ts2, △ T2 ＞ △ T1；In this step
Two conditions, can only select one of those, it is also possible to simultaneous selection two；
If T2 >=Ts3, and/or, △ T >=△ T2, usually, two conditions meet one of them can both be judged,
But judged again after can also simultaneously meeting two conditions, following treatment is carried out according to the result for judging：
The control heater 12 of controller 20 is heated with the 3rd power W3 to the lubricating oil for flowing through circulation heating tube 15,
Wherein W2 ＞ W3, operate heater reduction heating power, to reduce temperature difference △ T and second temperature T2, and/or,
The control circulating pump 11 of controller 20 drives lubricating oil to be circulated in circulation heating tube 15 with the 3rd flow velocity V3, wherein
V2 ＜ V3, lift the flow velocity of lubricating oil, take away more heats, to reduce temperature difference △ T and second temperature T2；
Wherein it is preferred to, the span of the 3rd preset temperature threshold value Ts3 is [50 DEG C, 55 DEG C], and/or, first temperature difference
The span of threshold value △ T1 is [30 DEG C, 35 DEG C].
In the present embodiment, can be separately through the second temperature T2 on the circulation heating tube surface at detection heating position, control
System further reduce heater the efficiency of heating surface, or control further improve lubricating oil flow velocity (or control simultaneously it is low plus
The efficiency of heating surface of hot device, the flow velocity for improving lubricating oil), so as to ensure the second temperature T2 reductions on circulation heating tube surface；
Can further be dropped separately through the temperature difference △ T of the lubricating oil in the circulation heating tube at detection heating position two ends, control
The efficiency of heating surface of low heater, or control further improves the flow velocity of lubricating oil and (or controls the heating of low heater simultaneously
Efficiency, the flow velocity for improving lubricating oil), so as to ensure the second temperature T2 reductions on circulation heating tube surface.
Present embodiments provide beyond two kinds of selections, can also be by the circulating-heating pipe at the position of detection heating simultaneously
The temperature difference △ T of the second temperature T2 of road surfaces, the lubricating oil heated in the circulation heating tube at position two ends, control is further
Reduce heater the efficiency of heating surface, or control further improve lubricating oil flow velocity (or control simultaneously low heater plus
The thermal efficiency, the flow velocity for improving lubricating oil), so as to ensure the second temperature T2 reductions on circulation heating tube surface, such effect
More preferably, can more effectively ensure that lubricating oil will not be too high and rotten because of temperature.
Selectively, controller 20 is additionally operable to compare second temperature T2 and the 4th preset temperature threshold value Ts4, and/or, control
Device 20 is additionally operable to C.T difference △ T and the second temperature difference threshold △ T3, wherein Ts4 ＞ Ts3, △ T3 ＞ △ T2；
If T2 >=Ts4, and/or, △ T >=△ T3, usually, two conditions meet one of them can both be judged,
But judged again after can also simultaneously meeting two conditions, following treatment is carried out according to the result for judging：
The control heater 12 of controller 20 stops heating the lubricating oil for flowing through circulation heating tube 15, while control
Circulating pump 11 drives lubricating oil to be circulated in circulation heating tube 15 with the 4th flow velocity V4, wherein V3≤V4；That is, can now protect
The flow velocity for demonstrate,proving lubricating oil is constant, it is also possible to the flow velocity of lubricating oil is further lifted, to ensure the temperature of lubricating oil not by too fast
Heat and cause deterioration of lubricant；
Wherein it is preferred to, the span of the 4th preset temperature threshold value Ts4 is [60 DEG C, 70 DEG C], and/or, the 3rd temperature difference
The span of threshold value △ T3 is [35 DEG C, 45 DEG C].
Selectively, the control of controller 20 heater 12 stops adding the lubricating oil for flowing through circulation heating tube 15
Heat, stops by the control circulating pump 11 of the second preset time t 2；Preferably, the second preset time t 2 >=300 seconds.Due in heating
After device is closed, heater still can be heated to lubricating oil, so the method for stopping circulating pump by above-mentioned delays time to control,
Can close heater after ensure that lubricating oil still can persistently take away the heat on heater, it is to avoid lubricating oil stop circulation and
Cause heater causes deterioration of lubricant to the lubricating oil over-heating of position.
Selectively, gear box lubricating oil heating control system provided in an embodiment of the present invention, also includes：
First frequency converter 21, controller 20 controls heater 12 by the first frequency converter 21；And/or,
Second frequency converter 22, controller 20 controls circulating pump 11 by the second frequency converter 22.
The present embodiment realizes that controller 20 is controlled to the power of controlled part by frequency converter such that it is able to reach hair
The technique effect of bright design anticipation.
The embodiment of the present invention also provides a kind of wind power generating set, including gear-box, and use above gear box lubricating oil adds
Heat control method is heated to the lubricating oil of the circulation heating tube 15 of gear-box, or, the heating of use above gear box lubricating oil
Control system.The wind power generating set of the present embodiment, because gear-box has used above-mentioned control method or control system, so that
Wind power generating set ensure that lubricating oil has good greasy property during operating, avoid lubricating oil temperature
While too low, it is also possible to ensure that the temperature of lubricating oil is too high and rotten, so that it is guaranteed that whole wind power generating set is steady, just
Often operating.
Gear box lubricating oil heating control system provided in an embodiment of the present invention, method and wind power generating set, can be right
The temperature of the lubricating oil of the lubricant housings 13 of supply gear case is effectively controlled, it is ensured that the lubricant housings 13 of gear-box is just
Often operating.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replaced
Change, these modifications or replacement should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain be defined.
Claims (16)
1. gear box lubricating oil method for heating and controlling, for the lubricant housings to being fed to gear-box by circulation heating tube
The temperature of lubricating oil is controlled, including：
Detect the first temperature T1 of the lubricating oil of the lubricant housings；
Receive the first temperature T1；
The first temperature T1 is compared with the first preset temperature threshold value Ts1, if T1≤Ts1, is started circulating pump and is driven lubricating oil
Circulated in the circulation heating tube with the first flow velocity V1, and start heater and added to flowing through the circulation with the first power W1
The lubricating oil of pipe line is heated.
2. the method for claim 1, it is characterised in that also include：
Start after the circulating pump, the heater is restarted by the first preset time t 1, it is preferable that described first presets
Time t1 >=120 second；
Or, while starting the circulating pump and the heater.
3. method as claimed in claim 1 or 2, it is characterised in that also include：
The second temperature T2 on the circulation heating tube surface at detection heating position, and/or, the institute at detection heating position two ends
State the temperature difference △ T of the lubricating oil in circulation heating tube；
Receive the second temperature T2 and/or temperature difference △ T；
The second temperature T2 is compared with the second preset temperature threshold value Ts2, and/or, by the temperature difference △ T and first temperature difference
Threshold value △ T1 compare, wherein Ts2 ＞ Ts1；
If T2 >=Ts2, and/or, △ T >=△ T1 control the heater with the second power W2 to flowing through the circulating-heating pipe
The lubricating oil on road is heated, wherein W1 ＞ W2, and/or, control the circulating pump to drive lubricating oil with second flow speed V2 in institute
State circulation, wherein V1 ＜ V2 in circulation heating tube；
Wherein it is preferred to, the span of the second preset temperature threshold value Ts2 is [45 DEG C, 50 DEG C], and/or, described first
The span of temperature difference threshold △ T1 is [25 DEG C, 30 DEG C].
4. method as claimed in claim 3, it is characterised in that also include：
The second temperature T2 is compared with the 3rd preset temperature threshold value Ts3, and/or, by the temperature difference △ T and second temperature difference
Threshold value △ T2 compare, wherein Ts3 ＞ Ts2, △ T2 ＞ △ T1；
If T2 >=Ts3, and/or, △ T >=△ T2 control the heater with the 3rd power W3 to flowing through the circulating-heating pipe
The lubricating oil on road is heated, wherein W2 ＞ W3, and/or, control the circulating pump to drive lubricating oil with the 3rd flow velocity V3 in institute
State circulation, wherein V2 ＜ V3 in circulation heating tube；
Wherein it is preferred to, the span of the 3rd preset temperature threshold value Ts3 is [50 DEG C, 55 DEG C], and/or, described first
The span of temperature difference threshold △ T1 is [30 DEG C, 35 DEG C].
5. method as claimed in claim 4, it is characterised in that also include：
The second temperature T2 is compared with the 4th preset temperature threshold value Ts4, and/or, by the temperature difference △ T and second temperature difference
Threshold value △ T3 compare, wherein Ts4 ＞ Ts3, △ T3 ＞ △ T2；
If T2 >=Ts4, and/or, △ T >=△ T3, control heater stops entering the lubricating oil for flowing through the circulation heating tube
Row heating, while control circulating pump to drive lubricating oil to be circulated in the circulation heating tube with the 4th flow velocity V4, wherein V3≤
V4；
Wherein it is preferred to, the span of the 4th preset temperature threshold value Ts4 is [60 DEG C, 70 DEG C], and/or, the described 3rd
The span of temperature difference threshold △ T3 is [35 DEG C, 45 DEG C].
6. method as claimed in claim 5, it is characterised in that also include：
Control heater stops heating the lubricating oil for flowing through the circulation heating tube, is controlled by the second preset time t 2
Circulating pump processed stops；Preferably, second preset time t 2 >=300 seconds.
7. the method as described in one of claim 1-6, it is characterised in that
The span of the first preset temperature threshold value Ts1 is [- 10 DEG C, 10 DEG C].
8. gear box lubricating oil heating control system, for the profit to being fed to gear-box (10) by circulation heating tube (15)
The temperature of the lubricating oil of sliding position (13) carries out computer heating control, including：
First temperature sensor (16), is arranged at the lubricant housings (13), the lubrication for detecting the lubricant housings (13)
First temperature T1 of oil；
Circulating pump (11), is arranged at the circulation heating tube (15), for driving lubricating oil in the circulation heating tube
(15) interior circulation；
Heater, is arranged at the circulation heating tube (15), for flowing through the lubrication in the circulation heating tube (15)
Oil heating；
Controller (20), for receiving the first temperature T1；And by the first temperature T1 and the first preset temperature threshold value Ts1
Compare, if T1≤Ts1, start the circulating pump (11) and drive lubricating oil with the first flow velocity V1 in the circulation heating tube (15)
Middle circulation, and start the heater (12) lubricating oil for flowing through the circulation heating tube (15) is carried out with the first power W1
Heating.
9. system as claimed in claim 8, it is characterised in that
The controller (20), is additionally operable to after the control startup circulating pump (11), restarts by the first preset time t 1
The heater (12), it is preferable that first preset time t 1 >=120 second；
Or, the heater is additionally operable to control while starting the circulating pump and the heater.
10. method as claimed in claim 8 or 9, it is characterised in that also include：
Second temperature sensor (17), is arranged at the heating part that the heater (12) is heated to the circulation heating tube (15)
The surface of position, the second temperature T2 for detecting heating position, and/or,
Three-temperature sensor (18), is arranged at the entrance one end at the heating position, is followed described in entrance one end for detecting
Ring heats the temperature of the lubricating oil in pipeline (15), and
4th temperature sensor (19), is arranged at the exit end at the heating position, followed described in exit end for being detected
The temperature of the lubricating oil in ring heating pipeline；
The controller (20) is additionally operable to the circulating-heating for receiving the second temperature T2 and/or heating position two ends
The temperature difference △ T of the lubricating oil in pipeline；
The controller (20) is additionally operable to second temperature T2 described in comparing and the second preset temperature threshold value Ts2, and/or, the control
Device (20) processed is additionally operable to temperature difference △ T described in comparing and the first temperature difference threshold △ T1, wherein Ts2 ＞ Ts1；
If T2 >=Ts2, and/or, △ T >=△ T1, the controller (20) controls the heater (12) with the second power W2 pairs
The lubricating oil for flowing through the circulation heating tube (15) is heated, wherein W1 ＞ W2, and/or, controller (20) control
The circulating pump (11) drives lubricating oil circulation, wherein V1 ＜ V2 in the circulation heating tube (15) with second flow speed V2；
Wherein it is preferred to, the span of the second preset temperature threshold value Ts2 is [45 DEG C, 50 DEG C], and/or, described first
The span of temperature difference threshold △ T1 is [25 DEG C, 30 DEG C].
11. methods as claimed in claim 10, it is characterised in that
The controller (20) is additionally operable to second temperature T2 described in comparing and the 3rd preset temperature threshold value Ts3, and/or, the control
Device (20) processed is additionally operable to temperature difference △ T described in comparing and the second temperature difference threshold △ T2, wherein Ts3 ＞ Ts2, △ T2 ＞ △ T1；
If T2 >=Ts3, and/or, △ T >=△ T2, the controller control (20) makes the heater (12) with the 3rd power W3 pairs
The lubricating oil for flowing through the circulation heating tube (15) is heated, wherein W2 ＞ W3, and/or, controller (20) control
The circulating pump (11) drives lubricating oil circulation, wherein V2 ＜ V3 in the circulation heating tube (15) with the 3rd flow velocity V3；
Wherein it is preferred to, the span of the 3rd preset temperature threshold value Ts3 is [50 DEG C, 55 DEG C], and/or, described first
The span of temperature difference threshold △ T1 is [30 DEG C, 35 DEG C].
12. systems as claimed in claim 11, it is characterised in that
The controller (20) is additionally operable to second temperature T2 described in comparing and the 4th preset temperature threshold value Ts4, and/or, the control
Device (20) processed is additionally operable to temperature difference △ T described in comparing and the second temperature difference threshold △ T3, wherein Ts4 ＞ Ts3, △ T3 ＞ △ T2；
If T2 >=Ts4, and/or, △ T >=△ T3, it is described to flowing through that the controller (20) controls the heater (12) to stop
The lubricating oil of circulation heating tube (15) is heated, while controlling the circulating pump (11) to drive lubricating oil with the 4th flow velocity V4
Circulation, wherein V3≤V4 in the circulation heating tube (15)；
Wherein it is preferred to, the span of the 4th preset temperature threshold value Ts4 is [60 DEG C, 70 DEG C], and/or, the described 3rd
The span of temperature difference threshold △ T3 is [35 DEG C, 45 DEG C].
13. systems as claimed in claim 12, it is characterised in that
The controller (20) controls the heater (12) to stop entering the lubricating oil for flowing through the circulation heating tube (15)
Row heating, controls the circulating pump (11) to stop by the second preset time t 2；Preferably, the second preset time t 2 >=300 seconds.
14. system as described in one of claim 8-13, it is characterised in that also include：
First frequency converter (21), the controller (20) controls the heater (12) by first frequency converter (21)；With/
Or,
Second frequency converter (22), the controller (20) controls the circulating pump (11) by second frequency converter (22).
15. system as described in one of claim 8-14, it is characterised in that
The span of the first preset temperature threshold value Ts1 is [- 10 DEG C, 10 DEG C].
16. wind power generating sets, it is characterised in that including gear-box, use the gearbox lubrication as described in one of claim 1-7
Oily method for heating and controlling is heated to the lubricating oil of the circulation heating tube of the gear-box, or, use such as claim 8-15
One of the gear box lubricating oil heating control system.
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| CN201611207890.9A CN106763696B (en) | 2016-12-23 | 2016-12-23 | Gear box lubricating oil heating control system and method and wind generating set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207890.9A CN106763696B (en) | 2016-12-23 | 2016-12-23 | Gear box lubricating oil heating control system and method and wind generating set |
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| CN106763696B CN106763696B (en) | 2019-10-15 |
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| CN112648265A (en) * | 2021-01-05 | 2021-04-13 | 中联重科土方机械有限公司 | Heating system for hydraulic system, heating control method and excavator |
| CN114606045A (en) * | 2022-03-26 | 2022-06-10 | 王富 | Lubricating oil and preparation method thereof |
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| CN106763696B (en) | 2019-10-15 |
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