CN106763696B - 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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- CN106763696B CN106763696B CN201611207890.9A CN201611207890A CN106763696B CN 106763696 B CN106763696 B CN 106763696B CN 201611207890 A CN201611207890 A CN 201611207890A CN 106763696 B CN106763696 B CN 106763696B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 283
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 266
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000005461 lubrication Methods 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 19
- 239000003921 oil Substances 0.000 claims description 10
- 230000001050 lubricating effect Effects 0.000 abstract 3
- 238000012545 processing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
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- 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 methods
And wind power generating set.
Background technique
Currently, the gear-box heating of wind-driven generator is in such a way that the oil groove of gear-box bottom installs electric heater
To carry out the heating to gear-box and lubricating oil.This heating device low efficiency and heating time is long, especially under cryogenic
It is especially apparent and this local heating mode uneven heating is even easilys lead to that local temperature is excessively high to cause oil ageing to become
Matter even chemical breakdown.This heater is mounted at the oil groove of gear-box bottom, flowing speed of the heating efficiency by lubricating oil
Degree is affected;Generally, flowing velocity of the lubricating oil in oil groove will be much smaller than the flowing velocity on outer loop pipeline, institute
With result in a part close to heater lubricating oil due to flowing velocity is slow and temperature is excessively high, and if heater once damage
Bad, replacement heater, which needs to dismantle entire gear-box, just can be carried out, and cause replacement difficult.Meanwhile oil groove interior design heater,
Far and near distance difference thus lubricating oil heating due to the lubricating oil in oil groove apart from heater is uneven, so being also difficult to temperature
It is effectively controlled.
Summary 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 of art cannot control effectively to the temperature of lubricating oil.
In a first aspect, the embodiment of the invention provides a kind of gear box lubricating oil method for heating and controlling, for by following
The temperature that ring heating pipeline is fed to the lubricating oil of the lubricant housings of gear-box is controlled, comprising:
Detect the first temperature T1 of the lubricating oil of the lubricant housings;
Receive the first temperature T1;
By the first temperature T1 compared with the first preset temperature threshold Ts1, if T1≤Ts1, starting circulating pump driving profit
Lubricating oil is recycled in the circulation heating tube with the first flow velocity V1, and starts heater with the first power W1 to flowing through described follow
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, further includes:
After starting 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;
Alternatively, starting the circulating pump and the heater simultaneously.
Selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, further includes:
The second temperature T2 on the circulation heating tube surface at detection heating position, and/or, detection heating position both ends
The circulation heating tube in lubricating oil temperature difference △ T;
Receive the second temperature T2 and/or temperature difference △ T;
By the second temperature T2 compared with the second preset temperature threshold Ts2, and/or, by the temperature difference △ T and first
Temperature difference threshold △ T1 compares, wherein Ts2 > Ts1;
If T2 >=Ts2, and/or, △ T >=△ T1 is controlled the heater and is added with the second power W2 to the circulation is flowed through
The lubricating oil of pipe line is heated, wherein W1 > W2, and/or, the circulating pump driving lubricating oil is controlled with second flow speed V2
It is recycled in the circulation heating tube, wherein V1 < V2;
Wherein it is preferred to the value range of the second preset temperature threshold Ts2 is [45 DEG C, 50 DEG C], and/or, it is described
The value range of 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, further includes:
By the second temperature T2 compared with third preset temperature threshold Ts3, and/or, by the temperature difference △ T and second
Temperature difference threshold △ T2 compares, wherein Ts3 > Ts2, △ T2 > △ T1;
If T2 >=Ts3, and/or, △ T >=△ T2 is controlled the heater and is added with third power W3 to the circulation is flowed through
The lubricating oil of pipe line is heated, wherein W2 > W3, and/or, the circulating pump driving lubricating oil is controlled with third flow velocity V3
It is recycled in the circulation heating tube, wherein V2 < V3;
Wherein it is preferred to the value range of the third preset temperature threshold Ts3 is [50 DEG C, 55 DEG C], and/or, it is described
The value range of 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, further includes:
By the second temperature T2 compared with the 4th preset temperature threshold Ts4, and/or, by the temperature difference △ T and second
Temperature difference threshold △ T3 compares, wherein Ts4 > Ts3, △ T3 > △ T2;
If T2 >=Ts4, and/or, △ T >=△ T3 controls the heater and stops to flowing through the circulation heating tube
Lubricating oil is heated, while being controlled the circulating pump driving lubricating oil and being followed in the circulation heating tube with the 4th flow velocity V4
Ring, wherein V3≤V4;
Wherein it is preferred to the value range of the 4th preset temperature threshold Ts4 is [60 DEG C, 70 DEG C], and/or, it is described
The value range of third 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, further includes:
The heater stopping is controlled to heat the lubricating oil for flowing through the circulation heating tube, it is default by second
Time t2 controls the circulating pump and stops;Preferably, second preset time t 2 >=300 seconds.
Selectively, the value range of the first preset temperature threshold Ts1 is [- 10 DEG C, 10 DEG C].
Second aspect, the embodiment of the invention also 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, comprising:
First temperature sensor is set to the lubricant housings, and first of the lubricating oil for detecting the lubricant housings
Temperature T1;
Circulating pump is set to the circulation heating tube, for driving lubricating oil to recycle in the circulation heating tube;
Heater is set to the circulation heating tube, for adding to the lubricating oil flowed through 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 Ts1
Compare, if T1≤Ts1, start the circulating pump driving lubricating oil and recycled in the circulation heating tube with the first flow velocity V1,
And starts the heater and the lubricating oil for flowing through the circulation heating tube is heated with the first power W1.
Selectively, the controller, after being also used to control the starting circulating pump, again by the first preset time t 1
Start the heater, it is preferable that first preset time t 1 >=120 second;
Alternatively, the controller, is also used 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, further includes:
Second temperature sensor is set to the table at the heating position that the heater heats the circulation heating tube
Face, for detect heating position second temperature T2, and/or,
Third temperature sensor is set to the entrance one end at the heating position, follows described in entrance one end for detecting
Ring heats the temperature of the lubricating oil in pipeline, and
4th temperature sensor is set to the exit end at the heating position, follows described in exit end for detecting
Ring heats the temperature of the lubricating oil in pipeline;
Correspondingly, the controller be also used to receive the second temperature T2 and/or it is described heating position both ends it is described
The temperature difference △ T of lubricating oil in circulation heating tube;
The controller is also used to second temperature T2 described in comparison and the second preset temperature threshold Ts2, and/or, the control
Device processed is also used to temperature difference △ T described in comparison and the first temperature difference threshold △ T1, wherein Ts2 > Ts1;
If T2 >=Ts2, and/or, △ T >=△ T1, it is described to flowing through with the second power W2 that the controller controls heater
The lubricating oil of circulation heating tube is heated, wherein W1 > W2, and/or, the controller control loop pump driving lubricating oil
It is recycled in the circulation heating tube with second flow speed V2, wherein V1 < V2;
Wherein it is preferred to the value range of the second preset temperature threshold Ts2 is [45 DEG C, 50 DEG C], and/or, it is described
The value range of first temperature difference threshold △ T1 is [25 DEG C, 30 DEG C].
Selectively, the controller is also used to second temperature T2 described in comparison and third preset temperature threshold Ts3, and/
Or, the controller is also used to temperature difference △ T described in comparison and the second temperature difference threshold △ T2, wherein Ts3 > Ts2, △ T2 > △
T1;
If T2 >=Ts3, and/or, △ T >=△ T2, it is described to flowing through with third power W3 that the controller controls heater
The lubricating oil of circulation heating tube is heated, wherein W2 > W3, and/or, the controller control loop pump driving lubricating oil
It is recycled in the circulation heating tube with third flow velocity V3, wherein V2 < V3;
Wherein it is preferred to the value range of the third preset temperature threshold Ts3 is [50 DEG C, 55 DEG C], and/or, it is described
The value range of first temperature difference threshold △ T1 is [30 DEG C, 35 DEG C].
Selectively, the controller is also used to second temperature T2 and the 4th preset temperature threshold Ts4 described in comparison, and/
Or, the controller is also used to temperature difference △ T described in comparison and the second temperature difference threshold △ T3, wherein Ts4 > Ts3, △ T3 > △
T2;
If T2 >=Ts4, and/or, △ T >=△ T3, the controller, which controls the heater, to be stopped to flowing through the circulation
The lubricating oil of heating pipeline is heated, while being controlled the circulating pump driving lubricating oil and being added with the 4th flow velocity V4 in the circulation
It is recycled in pipe line, wherein V3≤V4;
Wherein it is preferred to the value range of the 4th preset temperature threshold Ts4 is [60 DEG C, 70 DEG C], and/or, it is described
The value range of third temperature difference threshold △ T3 is [35 DEG C, 45 DEG C].
Selectively, the controller control the heater stop to flowing through the lubricating oil of the circulation heating tube into
Row heating, pumps by 2 control loop of the second preset time t and stops;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, further includes:
First frequency converter, the controller pass through heater described in first Frequency Converter Control;And/or
Second frequency converter, the controller pass through circulating pump described in second Frequency Converter Control.
Selectively, the value range of the first preset temperature threshold Ts1 is [- 10 DEG C, 10 DEG C].
The third aspect, the embodiment of the invention also provides a kind of wind power generating sets, including gear-box, use the above
Gear box lubricating oil method for heating and controlling heats the lubricating oil of the circulation heating tube of the gear-box, alternatively, more than use
The gear box lubricating oil heating control system.
Gear box lubricating oil heating control system, method and wind power generating set provided in an embodiment of the present invention, 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.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached 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, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the control flow chart for the gear box lubricating oil method for heating and controlling that one embodiment of the invention provides.
Fig. 2 is the control flow chart for the delayed startup heater that one embodiment of the invention provides.
Fig. 3 is the control flow chart for the gear box lubricating oil method for heating and controlling that further embodiment of this invention provides.
Fig. 4 is the control flow chart for the time-delay closing circulating pump that one embodiment of the invention provides.
Fig. 5 is the structural schematic diagram for the gear box lubricating oil heating control system that one embodiment of the invention provides.
Fig. 6 is the control flow chart for the time-delay closing circulating pump that one embodiment of the invention provides.
Fig. 7 is the control flow chart for the time-delay closing circulating pump that one embodiment of the invention provides.
In figure:
10, gear-box;11, circulating pump;12, heater;13, lubricant housings;15, circulation heating tube;16, the first temperature
Sensor;17, second temperature sensor;18, third temperature sensor;19, the 4th temperature sensor;20, controller;21,
One frequency converter;22, the second frequency converter.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, many details are proposed, in order 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 where not needing some details in these details.Below to implementation
The description of example is used for the purpose of providing by showing example of the invention and better understanding of the invention.The present invention is not limited 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, well known structure and technology is not shown,
It is unnecessary fuzzy to avoid causing the present invention.
As shown in Figure 1, the embodiment of the invention provides a kind of gear box lubricating oil method for heating and controlling, for by following
The temperature that ring heating pipeline is fed to the lubricating oil of the lubricant housings of gear-box is controlled, comprising:
Detect the first temperature T1 of the lubricating oil of lubricant housings;
Receive the first temperature T1;
By the first temperature T1 compared with the first preset temperature threshold Ts1, if T1≤Ts1, starting circulating pump drives lubricating oil
It is recycled in circulation heating tube with the first flow velocity V1, and starts heater with the first power W1 to flowing through circulation heating tube
Lubricating oil is heated.
Gear box lubricating oil method for heating and controlling provided in this embodiment, can control the lubricating oil at gearbox lubrication position
Temperature heats lubricating oil lower than setting value (the first preset temperature threshold Ts1) Shi Qidong circulating pump and heater, to keep away
Exempt from lubricating oil temperature too low the problem of leading to lack of lubrication, guarantees the normal operation of lubricant housings.
Wherein, selectively, the value range of the first preset temperature threshold Ts1 is according to the quality and lubricant housings of lubricating oil
Requirement depending on, generally, the value range of the first preset temperature threshold Ts1 is [- 10 DEG C, 10 DEG C], those skilled in the art
Can appropriate adjustment, the requirement for the lubricating oil and lubricant housings of special trait not be with this value range within this range
Limit.
As shown in Fig. 2, selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, further includes:
After starting circulating pump, restart heater by the first preset time t 1, it is preferable that the first preset time t 1 >=
120 seconds.Normally, it can first start to avoid heater in this way, lead to the lubricating oil continuous heating to heater locations and make to moisten
Oil temperature is excessively high and rotten;By first starting circulating pump, start lubricating oil after recycling in circulation heating tube, then open
Dynamic heater, can effectively ensure the quality of lubricating oil, avoid lubricating oil temperature excessively high and rotten.
Alternatively, the understanding based on those skilled in the art, can also start according to the needs of use and simultaneously circulating pump and
Heater requires heater to should be at relatively low power and starts starting heating, at this time also for the product for guaranteeing lubricating oil
Matter particularly can prevent the heating efficiency of heater excessively high, and the flow velocity of lubricating oil causes lubricating oil temperature to increase 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, further includes:
The second temperature T2 on the circulation heating tube surface at detection heating position, and/or, detection heating position both ends are followed
Ring heats the temperature difference △ T of the lubricating oil in pipeline;
Receive second temperature T2 and/or temperature difference △ T;
By second temperature T2 compared with the second preset temperature threshold Ts2, and/or, by temperature difference △ T and the first temperature difference threshold
△ T1 compares, wherein Ts2 > Ts1;Two conditions in this step, can only select one of those, can also be with simultaneous selection
Two;
If T2 >=Ts2, and/or, △ T >=△ T1, generally, two conditions, which meet one of them, can both be judged,
But judged again after two conditions can also be met simultaneously, it is carried out the following processing according to the result of judgement:
Control heater heats the lubricating oil for flowing through circulation heating tube with the second power W2, wherein W1 > W2,
Reduce heater by heating power operating, to reduce temperature difference △ T and second temperature T2, and/or,
Control loop pump driving lubricating oil is recycled in circulation heating tube with second flow speed V2, and wherein V1 < V2, makes to moisten
The flow velocity of lubricating oil is promoted, and more heats is taken away, to reduce temperature difference △ T and second temperature T2;
Wherein it is preferred to the value range of the second preset temperature threshold Ts2 is [45 DEG C, 50 DEG C], and/or, first temperature difference
The value range of threshold value △ T1 is [25 DEG C, 30 DEG C].
It, can be separately through the second temperature T2 on the circulation heating tube surface at detection heating position, control in the present embodiment
System reduces the heating efficiency of heater, or control improves the flow velocity of lubricating oil, to guarantee the of circulation heating tube surface
Two temperature T2 are reduced;It can also be separately through the temperature difference △ of the lubricating oil in the circulation heating tube at detection heating position both ends
T, control reduce the heating efficiency of heater, or control improves the flow velocity of lubricating oil, to guarantee circulation heating tube surface
Second temperature T2 reduce.
It present embodiments provides other than two kinds of selections, the circulating-heating pipe that position can also be heated by detecting detection simultaneously
The second temperature T2 of road surfaces, the temperature difference △ T for heating lubricating oil in the circulation heating tube at position both ends, control reduce plus
The heating efficiency of hot device, or control improve the flow velocity of lubricating oil, to guarantee the second temperature T2 on circulation heating tube surface
It reduces, such effect is more preferable, can more effectively ensure that lubricating oil will not be excessively high and rotten because of temperature.
Selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, further includes:
By second temperature T2 compared with third preset temperature threshold Ts3, and/or, by temperature difference △ T and the second temperature difference threshold
△ T2 compares, wherein Ts3 > Ts2, △ T2 > △ T1;Two conditions in this step, can only select one of those, can also
With simultaneous selection two;
If T2 >=Ts3, and/or, △ T >=△ T2, generally, two conditions, which meet one of them, can both be judged,
But judged again after two conditions can also be met simultaneously, it is carried out the following processing according to the result of judgement:
Control heater heats the lubricating oil for flowing through circulation heating tube with third power W3, wherein W2 > W3,
Reduce heater by heating power operating, to reduce temperature difference △ T and second temperature T2, and/or,
Control loop pump driving lubricating oil is recycled in circulation heating tube with third flow velocity V3, and wherein V2 < V3, makes to moisten
The flow velocity of lubricating oil is promoted, and more heats is taken away, to reduce temperature difference △ T and second temperature T2;
Wherein it is preferred to the value range of third preset temperature threshold Ts3 is [50 DEG C, 55 DEG C], and/or, first temperature difference
The value range of threshold value △ T1 is [30 DEG C, 35 DEG C].
It, can be separately through the second temperature T2 on the circulation heating tube surface at detection heating position, control in the present embodiment
System further decreases the heating efficiency of heater, either control further increase lubricating oil flow velocity (or control simultaneously it is low plus
The heating efficiency of hot device, the flow velocity for improving lubricating oil), to guarantee that the second temperature T2 on circulation heating tube surface is reduced;?
Further drop can be controlled separately through the temperature difference △ T of the lubricating oil in the circulation heating tube at detection heating position both ends
The heating efficiency of low heater, the flow velocity that either control further increases lubricating oil (or control the heating of low heater simultaneously
Efficiency, the flow velocity for improving lubricating oil), to guarantee that the second temperature T2 on circulation heating tube surface is reduced.
It present embodiments provides other than two kinds of selections, the circulating-heating pipe that position can also be heated by detecting detection simultaneously
The second temperature T2 of road surfaces, the temperature difference △ T for heating lubricating oil in the circulation heating tube at position both ends, control are further
Reduce heater heating efficiency, either control further increase lubricating oil flow velocity (or control simultaneously low heater plus
The thermal efficiency, the flow velocity for improving lubricating oil), thus guarantee that the second temperature T2 on circulation heating tube surface is reduced, such effect
More preferably, it can more effectively ensure that lubricating oil will not be excessively high and rotten because of temperature;The heating efficiency of lubricating oil is improved, profit is reduced
The heating time of lubricating oil reduces heating loss.
Selectively, gear box lubricating oil method for heating and controlling provided in an embodiment of the present invention, further includes:
By second temperature T2 compared with the 4th preset temperature threshold Ts4, and/or, by temperature difference △ T and the second temperature difference threshold
△ T3 compares, wherein Ts4 > Ts3, △ T3 > △ T2;Two conditions in this step, can only select one of those, can also
With simultaneous selection two;
If T2 >=Ts4, and/or, △ T >=△ T3, generally, two conditions, which meet one of them, can both be judged,
But judged again after two conditions can also be met simultaneously, it is carried out the following processing according to the result of judgement:
The lubricating oil for flowing through circulation heating tube is heated in control heater stopping, while control loop pump driving profit
Lubricating oil is recycled in circulation heating tube with the 4th flow velocity V4, wherein V3≤V4;That is, can guarantee the flow velocity of lubricating oil not at this time
Become, the flow velocity of lubricating oil can also be promoted, further to ensure that the temperature of lubricating oil does not lead to lubricating oil by too fast heating
It is rotten;
Wherein it is preferred to the value range of the 4th preset temperature threshold Ts4 is [60 DEG C, 70 DEG C], and/or, the third temperature difference
The value range of threshold value △ T3 is [35 DEG C, 45 DEG C].
It, can after second temperature T2 reaches temperature upper limit (the 4th preset temperature threshold Ts4) of setting in the present embodiment
Stop heater with control, it is excessively high and rotten to avoid lubricating oil temperature;But the flow velocity for controlling lubricating oil simultaneously keeps original
Rate or higher rate avoid causing heater local temperature excessively high because stopping circulating pump, and then lubricating oil are caused 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, further includes:
The lubricating oil for flowing through circulation heating tube is heated in control heater stopping, controlling by the second preset time t 2
Circulating pump processed stops;Preferably, the second preset time t 2 >=300 seconds.Since after heater is closed, heater still can be right
Lubricating oil is heated, so stopping the method for circulating pump by above-mentioned delays time to control, can ensure to moisten after closing heater
Lubricating oil still can persistently take away the heat on heater, and lubricating oil is avoided to stop circulation and the profit that leads to heater to position
Lubricating oil over-heating and lead to deterioration of lubricant.
As shown in figure 5, and combine Fig. 1-4, Fig. 6-7, the embodiment of the present invention also provides a kind of heating control of gear box lubricating oil
System processed, the temperature for the lubricating oil to the lubricant housings 13 for being fed to gear-box 10 by circulation heating tube 15 add
Thermal control, comprising:
Circulating pump 11 is set to circulation heating tube 15, for driving lubricating oil to recycle in circulation heating tube 15;
Gear box lubricating oil heating control system provided in this embodiment, can control the lubrication at gearbox lubrication position 13
Oil temperature heats lubricating oil lower than setting value (the first preset temperature threshold Ts1) Shi Qidong circulating pump and heater, with
Avoiding the problem that lubricating oil temperature is too low leads to lack of lubrication, guarantees the normal operation of lubricant housings.
Wherein, selectively, the value range of the first preset temperature threshold Ts1 is according to the quality and lubricant housings of lubricating oil
Requirement depending on, generally, the value range of the first preset temperature threshold Ts1 is [- 10 DEG C, 10 DEG C], those skilled in the art
Can appropriate adjustment, the requirement for the lubricating oil and lubricant housings of special trait not be with this value range within this range
Limit.
Selectively, after controller 20 is also used to control starting circulating pump 11, restart by the first preset time t 1
Heater 12, it is preferable that the first preset time t 1 >=120 second;Normally, it can first start to avoid heater in this way, cause pair
The lubricating oil continuous heating of heater locations and keep lubricating oil temperature excessively high and rotten;By first starting circulating pump, make lubricating oil
Start after being recycled in circulation heating tube, restarts heater, can effectively ensure the quality of lubricating oil, avoid lubricating oil
Temperature is excessively high and rotten.
Alternatively, the understanding based on those skilled in the art, can also be controlled together by controller 20 according to the needs of use
Shi Qidong circulating pump 11 and heater 12.It requires heater to should be at relatively low power at this time and starts starting heating, and
In order to guarantee the quality of lubricating oil, particularly, the heating efficiency of heater can be prevented excessively high, and the flow velocity of lubricating oil is led slowly excessively
Lubricating oil temperature is caused to increase too fast problem.
Selectively, gear box lubricating oil heating control system provided in an embodiment of the present invention, further includes:
Correspondingly, controller 20 is also used to receive second temperature T2 and/or heats the circulation heating tube 15 at position both ends
The temperature difference △ T of interior lubricating oil;
If T2 >=Ts2, and/or, △ T >=△ T1, generally, two conditions, which meet one of them, can both be judged,
But judged again after two conditions can also be met simultaneously, it is carried out the following processing according to the result of judgement:
20 control loop of controller pump, 11 driving lubricating oil is recycled in circulation heating tube 15 with second flow speed V2, wherein
V1 < V2 promotes the flow velocity of lubricating oil, takes away more heats, to reduce temperature difference △ T and second temperature T2;
Wherein it is preferred to the value range of the second preset temperature threshold Ts2 is [45 DEG C, 50 DEG C], and/or, first temperature difference
The value range of threshold value △ T1 is [25 DEG C, 30 DEG C].
It, can be separately through the second temperature T2 on the circulation heating tube surface at detection heating position, control in the present embodiment
System reduces the heating efficiency of heater, or control improves the flow velocity of lubricating oil, to guarantee the of circulation heating tube surface
Two temperature T2 are reduced;It can also be separately through the temperature difference △ of the lubricating oil in the circulation heating tube at detection heating position both ends
T, control reduce the heating efficiency of heater, or control improves the flow velocity of lubricating oil, to guarantee circulation heating tube surface
Second temperature T2 reduce.
It present embodiments provides other than two kinds of selections, the circulating-heating pipe that position can also be heated by detecting detection simultaneously
The second temperature T2 of road surfaces, the temperature difference △ T for heating lubricating oil in the circulation heating tube at position both ends, control reduce plus
The heating efficiency of hot device, or control improve the flow velocity of lubricating oil, to guarantee the second temperature T2 on circulation heating tube surface
It reduces, such effect is more preferable, can more effectively ensure that lubricating oil will not be excessively high and rotten because of temperature;Improve lubricating oil
Heating efficiency reduces the heating time of lubricating oil, reduces heating loss.
Selectively, controller 20 is also used to compare second temperature T2 and third preset temperature threshold Ts3, and/or, control
Device 20 is also used to comparison temperature 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, can also be two with simultaneous selection;
If T2 >=Ts3, and/or, △ T >=△ T2, generally, two conditions, which meet one of them, can both be judged,
But judged again after two conditions can also be met simultaneously, it is carried out the following processing according to the result of judgement:
20 control loop of controller pump, 11 driving lubricating oil is recycled in circulation heating tube 15 with third flow velocity V3, wherein
V2 < V3 promotes the flow velocity of lubricating oil, takes away more heats, to reduce temperature difference △ T and second temperature T2;
Wherein it is preferred to the value range of third preset temperature threshold Ts3 is [50 DEG C, 55 DEG C], and/or, first temperature difference
The value range of threshold value △ T1 is [30 DEG C, 35 DEG C].
It, can be separately through the second temperature T2 on the circulation heating tube surface at detection heating position, control in the present embodiment
System further decreases the heating efficiency of heater, either control further increase lubricating oil flow velocity (or control simultaneously it is low plus
The heating efficiency of hot device, the flow velocity for improving lubricating oil), to guarantee that the second temperature T2 on circulation heating tube surface is reduced;?
Further drop can be controlled separately through the temperature difference △ T of the lubricating oil in the circulation heating tube at detection heating position both ends
The heating efficiency of low heater, the flow velocity that either control further increases lubricating oil (or control the heating of low heater simultaneously
Efficiency, the flow velocity for improving lubricating oil), to guarantee that the second temperature T2 on circulation heating tube surface is reduced.
It present embodiments provides other than two kinds of selections, the circulating-heating pipe that position can also be heated by detecting detection simultaneously
The second temperature T2 of road surfaces, the temperature difference △ T for heating lubricating oil in the circulation heating tube at position both ends, control are further
Reduce heater heating efficiency, either control further increase lubricating oil flow velocity (or control simultaneously low heater plus
The thermal efficiency, the flow velocity for improving lubricating oil), thus guarantee that the second temperature T2 on circulation heating tube surface is reduced, such effect
More preferably, it can more effectively ensure that lubricating oil will not be excessively high and rotten because of temperature.
Selectively, controller 20 is also used to compare second temperature T2 and the 4th preset temperature threshold Ts4, and/or, control
Device 20 is also used to comparison temperature difference △ T and the second temperature difference threshold △ T3, wherein Ts4 > Ts3, △ T3 > △ T2;
If T2 >=Ts4, and/or, △ T >=△ T3, generally, two conditions, which meet one of them, can both be judged,
But judged again after two conditions can also be met simultaneously, it is carried out the following processing according to the result of judgement:
Wherein it is preferred to the value range of the 4th preset temperature threshold Ts4 is [60 DEG C, 70 DEG C], and/or, the third temperature difference
The value range of threshold value △ T3 is [35 DEG C, 45 DEG C].
Selectively, controller 20 controls the stopping of heater 12 and adds to the lubricating oil for flowing through circulation heating tube 15
Heat stops by 2 control loop of the second preset time t pump 11;Preferably, the second preset time t 2 >=300 seconds.Due to heating
After device is closed, heater still can heat lubricating oil, so stop the method for circulating pump by above-mentioned delays time to control,
Can ensure lubricating oil after closing heater still and can persistently take away the heat on heater, avoid lubricating oil stop circulation and
Heater is caused to lead to 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, further includes:
The present embodiment realizes that controller 20 controls the power of controlled part by frequency converter, so as to reach hair
The technical effect of bright design anticipation.
The embodiment of the present invention also provides a kind of wind power generating set, including gear-box, is added using the above gear box lubricating oil
Heat control method heats the lubricating oil of the circulation heating tube 15 of gear-box, alternatively, being heated using the above gear box lubricating oil
Control system.The wind power generating set of the present embodiment, since gear-box has used above-mentioned control method or control system, to make
Wind power generating set can guarantee that lubricating oil has good greasy property during operating, avoid lubricating oil temperature
While too low, it is also ensured that the temperature of lubricating oil is excessively high and rotten, so that it is guaranteed that entire wind power generating set is steady, just
Often operating.
Gear box lubricating oil heating control system, method and wind power generating set provided in an embodiment of the present invention, 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 description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (33)
1. a kind of gear box lubricating oil method for heating and controlling, for the lubrication portion for being fed to gear-box by circulation heating tube
The temperature of the lubricating oil of position is controlled, comprising:
Detect the first temperature T1 of the lubricating oil of the lubricant housings;
Receive the first temperature T1;
By the first temperature T1 compared with the first preset temperature threshold Ts1, if T1≤Ts1, starting circulating pump drives lubricating oil
It is recycled in the circulation heating tube with the first flow velocity V1, and starts heater and added with the first power W1 to the circulation is flowed through
The lubricating oil of pipe line is heated;
The second temperature T2 on the circulation heating tube surface at detection heating position;
Receive the second temperature T2;
By the second temperature T2 compared with the second preset temperature threshold Ts2, wherein Ts2 > Ts1;
If T2 >=Ts2, controls the heater and the lubricating oil for flowing through the circulation heating tube is added with the second power W2
Heat, wherein W1 > W2, and/or, the circulating pump driving lubricating oil is controlled with second flow speed V2 in the circulation heating tube
It recycles, wherein V1 < V2;
Wherein, the value range of the second preset temperature threshold Ts2 is [45 DEG C, 50 DEG C].
2. the method as described in claim 1, which is characterized in that further include:
After starting the circulating pump, restart the heater, first preset time t 1 by the first preset time t 1
>=120 seconds;
Alternatively, starting the circulating pump and the heater simultaneously.
3. the method as described in claim 1, which is characterized in that further include:
By the second temperature T2 compared with third preset temperature threshold Ts3, wherein Ts3 >=Ts2;
If T2 >=Ts3, controls the heater and the lubricating oil for flowing through the circulation heating tube is added with third power W3
Heat, wherein W2 > W3, and/or, the circulating pump driving lubricating oil is controlled with third flow velocity V3 in the circulation heating tube
It recycles, wherein V2 < V3;
Wherein, the value range of the third preset temperature threshold Ts3 is [50 DEG C, 55 DEG C].
4. method as claimed in claim 3, which is characterized in that further include:
By the second temperature T2 compared with the 4th preset temperature threshold Ts4, wherein Ts4 > Ts3;
If T2 >=Ts4, the lubricating oil for flowing through the circulation heating tube is heated in control heater stopping, while control follows
Ring pump driving lubricating oil is recycled in the circulation heating tube with the 4th flow velocity V4, wherein V3≤V4;
Wherein, the value range of the 4th preset temperature threshold Ts4 is [60 DEG C, 70 DEG C].
5. the method as described in claim 1, which is characterized in that further include: the circulating-heating at detection heating position both ends
The temperature difference △ T of lubricating oil in pipeline;
Receive the temperature difference △ T;
By the temperature difference △ T compared with the first temperature difference threshold △ T1, wherein Ts2 > Ts1;
If △ T >=△ T1, controls the heater and the lubricating oil for flowing through the circulation heating tube is carried out with the second power W2
It heats, wherein W1 > W2, and/or, the circulating pump driving lubricating oil is controlled with second flow speed V2 in the circulation heating tube
Middle circulation, wherein V1 < V2;
Wherein, the value range of the first temperature difference threshold △ T1 is [25 DEG C, 30 DEG C].
6. method as claimed in claim 5, which is characterized in that further include:
By the temperature difference △ T compared with the second temperature difference threshold △ T2, wherein △ T2 >=△ T1;
If △ T >=△ T2, controls the heater and the lubricating oil for flowing through the circulation heating tube is carried out with third power W3
It heats, wherein W2 > W3, and/or, the circulating pump driving lubricating oil is controlled with third flow velocity V3 in the circulation heating tube
Middle circulation, wherein V2 < V3;
Wherein, the value range of the second temperature difference threshold △ T2 is [30 DEG C, 35 DEG C].
7. method as claimed in claim 6, which is characterized in that further include:
By the temperature difference △ T compared with third temperature difference threshold △ T3, wherein △ T3 >=△ T2;
If △ T >=△ T3, the lubricating oil for flowing through the circulation heating tube is heated in control heater stopping, controlling simultaneously
Circulating pump driving lubricating oil is recycled in the circulation heating tube with the 4th flow velocity V4, wherein V3≤V4;
Wherein, the value range of the third temperature difference threshold △ T3 is [35 DEG C, 45 DEG C].
8. the method as described in claim 4 or 7, which is characterized in that further include:
The lubricating oil for flowing through the circulation heating tube is heated in control heater stopping, controlling by the second preset time t 2
Circulating pump processed stops, second preset time t 2 >=300 seconds.
9. the method as described in claim 1, which is characterized in that
The value range of the first preset temperature threshold Ts1 is [- 10 DEG C, 10 DEG C].
10. a kind of gear box lubricating oil heating control system, for being fed to gear-box to by circulation heating tube (15)
(10) temperature of the lubricating oil of lubricant housings (13) carries out computer heating control, comprising:
First temperature sensor (16) is set to the lubricant housings (13), for detecting the lubrication of the lubricant housings (13)
First temperature T1 of oil;
Circulating pump (11) is set to the circulation heating tube (15), for driving lubricating oil in the circulation heating tube
(15) circulation in;
Heater (12) is set to the circulation heating tube (15), for flowing through in the circulation heating tube (15)
Lubricating oil heating;
Controller (20), for receiving the first temperature T1;And by the first temperature T1 and the first preset temperature threshold Ts1
Compare, if T1≤Ts1, starts the circulating pump (11) driving lubricating oil with the first flow velocity V1 in the circulation heating tube (15)
Middle circulation, and start the heater (12) and the lubricating oil for flowing through the circulation heating tube (15) is carried out with the first power W1
Heating;
Second temperature sensor (17) is set to the heating part that the heater (12) heats the circulation heating tube (15)
The surface of position, for detecting the second temperature T2 at heating position;
The controller (20) is also used to receive the second temperature T2;
The controller (20) is also used to second temperature T2 described in comparison and the second preset temperature threshold Ts2, wherein Ts2 > Ts1;
If T2 >=Ts2, the controller (20) controls the heater (12) with the second power W2 to flowing through the circulating-heating
The lubricating oil of pipeline (15) is heated, wherein W1 > W2, and/or, the controller (20) controls the circulating pump (11) and drives
Dynamic lubricating oil is recycled in the circulation heating tube (15) with second flow speed V2, wherein V1 < V2;
Wherein, the value range of the second preset temperature threshold Ts2 is [45 DEG C, 50 DEG C].
11. system as claimed in claim 10, which is characterized in that
The controller (20) is restarted after being also used to control the starting circulating pump (11) by the first preset time t 1
The heater (12), first preset time t 1 >=120 second;
Alternatively, the controller (20), is also used to control while starting the circulating pump (11) and the heater (12).
12. system as claimed in claim 10, which is characterized in that
The controller (20) is also used to second temperature T2 described in comparison and third preset temperature threshold Ts3, wherein Ts3 >=Ts2;
If T2 >=Ts3, the controller (20) controls the heater (12) with third power W3 to flowing through the circulating-heating
The lubricating oil of pipeline (15) is heated, wherein W2 > W3, and/or, the controller (20) controls the circulating pump (11) and drives
Dynamic lubricating oil is recycled in the circulation heating tube (15) with third flow velocity V3, wherein V2 < V3;
Wherein, the value range of the third preset temperature threshold Ts3 is [50 DEG C, 55 DEG C].
13. system as claimed in claim 12, which is characterized in that
The controller (20) is also used to second temperature T2 and the 4th preset temperature threshold Ts4 described in comparison, wherein Ts4 > Ts3;
If T2 >=Ts4, the controller (20) controls the heater (12) and stops to flowing through the circulation heating tube (15)
Lubricating oil heated, while control the circulating pump (11) driving lubricating oil with the 4th flow velocity V4 in the circulating-heating pipe
It is recycled in road (15), wherein V3≤V4;
Wherein, the value range of the 4th preset temperature threshold Ts4 is [60 DEG C, 70 DEG C].
14. system as claimed in claim 10, which is characterized in that further include:
Third temperature sensor (18) is set to the entrance one end at the heating position, follows described in entrance one end for detecting
Ring heats the temperature of the lubricating oil in pipeline (15);And
4th temperature sensor (19) is set to the exit end at the heating position, follows described in exit end for detecting
Ring heats the temperature of the lubricating oil in pipeline;
The controller (20) is also used to receive the temperature of the lubricating oil in the circulation heating tube at the heating position both ends
Spend difference △ T;
The controller (20) is also used to temperature difference △ T described in comparison and the first temperature difference threshold △ T1, wherein Ts2 > Ts1;
If △ T >=△ T1, the controller (20) is controlled the heater (12) and is added with the second power W2 to the circulation is flowed through
The lubricating oil of pipe line (15) is heated, wherein W1 > W2, and/or, the controller (20) controls the circulating pump (11)
Lubricating oil is driven to recycle in the circulation heating tube (15) with second flow speed V2, wherein V1 < V2;
Wherein, the value range of the first temperature difference threshold △ T1 is [25 DEG C, 30 DEG C].
15. system as claimed in claim 14, which is characterized in that further include:
The controller (20) is also used to temperature difference △ T described in comparison and the second temperature difference threshold △ T2, wherein △ T2 >=△ T1;
If △ T >=△ T2, the controller (20) is controlled the heater (12) and is added with third power W3 to the circulation is flowed through
The lubricating oil of pipe line (15) is heated, wherein W2 > W3, and/or, the controller (20) controls the circulating pump (11)
Lubricating oil is driven to recycle in the circulation heating tube (15) with third flow velocity V3, wherein V2 < V3;
Wherein, the value range of the second temperature difference threshold △ T2 is [30 DEG C, 35 DEG C].
16. system as claimed in claim 15, which is characterized in that further include:
The controller (20) is also used to temperature difference △ T described in comparison and third temperature difference threshold △ T3, wherein △ T3 >=△ T2;
If △ T >=△ T3, the controller (20) controls the heater (12) and stops to flowing through the circulation heating tube
(15) lubricating oil is heated, while being controlled the circulating pump (11) driving lubricating oil and being added with the 4th flow velocity V4 in the circulation
It is recycled in pipe line (15), wherein V3≤V4;
Wherein, the value range of the third temperature difference threshold △ T3 is [35 DEG C, 45 DEG C].
17. the system as described in claim 13 or 16, which is characterized in that
The controller (20) control the heater (12) stop to flowing through the lubricating oil of the circulation heating tube (15) into
Row heating controls the circulating pump (11) by the second preset time t 2 and stops, the second preset time t 2 >=300 seconds.
18. system as claimed in claim 10, which is characterized in that further include:
First frequency converter (21), the controller (20) control the heater (12) by first frequency converter (21);With/
Or,
Second frequency converter (22), the controller (20) control the circulating pump (11) by second frequency converter (22).
19. system as claimed in claim 10, which is characterized in that
The value range of the first preset temperature threshold Ts1 is [- 10 DEG C, 10 DEG C].
20. a kind of gear box lubricating oil method for heating and controlling, for the lubrication for being fed to gear-box by circulation heating tube
The temperature of the lubricating oil at position is controlled, comprising:
Detect the first temperature T1 of the lubricating oil of the lubricant housings;
Receive the first temperature T1;
By the first temperature T1 compared with the first preset temperature threshold Ts1, if T1≤Ts1, starting circulating pump drives lubricating oil
It is recycled in the circulation heating tube with the first flow velocity V1, and starts heater and added with the first power W1 to the circulation is flowed through
The lubricating oil of pipe line is heated;
The temperature difference △ T of lubricating oil in the circulation heating tube at detection heating position both ends;
Receive the temperature difference △ T;
By the temperature difference △ T compared with the first temperature difference threshold △ T1;
If △ T >=△ T1, controls the heater and the lubricating oil for flowing through the circulation heating tube is carried out with the second power W2
It heats, wherein W1 > W2, and/or, the circulating pump driving lubricating oil is controlled with second flow speed V2 in the circulation heating tube
Middle circulation, wherein V1 < V2;
Wherein, the value range of the first temperature difference threshold △ T1 is [25 DEG C, 30 DEG C].
21. method as claimed in claim 20, which is characterized in that further include:
After starting the circulating pump, restart the heater, first preset time t 1 by the first preset time t 1
>=120 seconds;
Alternatively, starting the circulating pump and the heater simultaneously.
22. method as claimed in claim 20, which is characterized in that further include:
By the temperature difference △ T compared with the second temperature difference threshold △ T2, wherein △ T2 >=△ T1;
If △ T >=△ T2, controls the heater and the lubricating oil for flowing through the circulation heating tube is carried out with third power W3
It heats, wherein W2 > W3, and/or, the circulating pump driving lubricating oil is controlled with third flow velocity V3 in the circulation heating tube
Middle circulation, wherein V2 < V3;
Wherein, the value range of the second temperature difference threshold △ T2 is [30 DEG C, 35 DEG C].
23. method as claimed in claim 22, which is characterized in that further include:
By the temperature difference △ T compared with third temperature difference threshold △ T3, wherein △ T3 >=△ T2;
If △ T >=△ T3, the lubricating oil for flowing through the circulation heating tube is heated in control heater stopping, controlling simultaneously
Circulating pump driving lubricating oil is recycled in the circulation heating tube with the 4th flow velocity V4, wherein V3≤V4;
Wherein, the value range of the third temperature difference threshold △ T3 is [35 DEG C, 45 DEG C].
24. method as claimed in claim 23, which is characterized in that further include:
The lubricating oil for flowing through the circulation heating tube is heated in control heater stopping, controlling by the second preset time t 2
Circulating pump processed stops, second preset time t 2 >=300 seconds.
25. method as claimed in claim 20, which is characterized in that
The value range of the first preset temperature threshold Ts1 is [- 10 DEG C, 10 DEG C].
26. a kind of gear box lubricating oil heating control system, for being fed to gear-box to by circulation heating tube (15)
(10) temperature of the lubricating oil of lubricant housings (13) carries out computer heating control, comprising:
First temperature sensor (16) is set to the lubricant housings (13), for detecting the lubrication of the lubricant housings (13)
First temperature T1 of oil;
Circulating pump (11) is set to the circulation heating tube (15), for driving lubricating oil in the circulation heating tube
(15) circulation in;
Heater (12) is set to the circulation heating tube (15), for flowing through in the circulation heating tube (15)
Lubricating oil heating;
Controller (20), for receiving the first temperature T1;And by the first temperature T1 and the first preset temperature threshold Ts1
Compare, if T1≤Ts1, starts the circulating pump (11) driving lubricating oil with the first flow velocity V1 in the circulation heating tube (15)
Middle circulation, and start the heater (12) and the lubricating oil for flowing through the circulation heating tube (15) is carried out with the first power W1
Heating;
Second temperature sensor (17) is set to the heating part that the heater (12) heats the circulation heating tube (15)
The surface of position;
Third temperature sensor (18) is set to the entrance one end at the heating position, follows described in entrance one end for detecting
Ring heats the temperature of the lubricating oil in pipeline (15), and
4th temperature sensor (19) is set to the exit end at the heating position, follows described in exit end for detecting
Ring heats the temperature of the lubricating oil in pipeline;
The controller (20) is also used to receive the temperature of the lubricating oil in the circulation heating tube at the heating position both ends
Spend difference △ T;
The controller (20) is also used to temperature difference △ T described in comparison and the first temperature difference threshold △ T1;
If △ T >=△ T1, the controller (20) is controlled the heater (12) and is added with the second power W2 to the circulation is flowed through
The lubricating oil of pipe line (15) is heated, wherein W1 > W2, and/or, the controller (20) controls the circulating pump (11)
Lubricating oil is driven to recycle in the circulation heating tube (15) with second flow speed V2, wherein V1 < V2;
Wherein, the value range of the first temperature difference threshold △ T1 is [25 DEG C, 30 DEG C].
27. system as claimed in claim 26, which is characterized in that
The controller (20) is restarted after being also used to control the starting circulating pump (11) by the first preset time t 1
The heater (12), first preset time t 1 >=120 second;
Alternatively, the controller (20), is also used to control while starting the circulating pump (11) and the heater (12).
28. system as claimed in claim 26, which is characterized in that
The controller (20) is also used to temperature difference △ T described in comparison and the second temperature difference threshold △ T2, wherein △ T2 >=△ T1;
If △ T >=△ T2, the controller (20) is controlled the heater (12) and is added with third power W3 to the circulation is flowed through
The lubricating oil of pipe line (15) is heated, wherein W2 > W3, and/or, the controller (20) controls the circulating pump (11)
Lubricating oil is driven to recycle in the circulation heating tube (15) with third flow velocity V3, wherein V2 < V3;
Wherein, the value range of the second temperature difference threshold △ T2 is [30 DEG C, 35 DEG C].
29. system as claimed in claim 28, which is characterized in that
The controller (20) is also used to temperature difference △ T described in comparison and third temperature difference threshold △ T3, wherein △ T3 >=△ T2;
If △ T >=△ T3, the controller (20) controls the heater (12) and stops to flowing through the circulation heating tube
(15) lubricating oil is heated, while being controlled the circulating pump (11) driving lubricating oil and being added with the 4th flow velocity V4 in the circulation
It is recycled in pipe line (15), wherein V3≤V4;
Wherein, the value range of the third temperature difference threshold △ T3 is [35 DEG C, 45 DEG C].
30. system as claimed in claim 29, which is characterized in that
The controller (20) control the heater (12) stop to flowing through the lubricating oil of the circulation heating tube (15) into
Row heating controls the circulating pump (11) by the second preset time t 2 and stops, the second preset time t 2 >=300 seconds.
31. system as claimed in claim 26, which is characterized in that further include:
First frequency converter (21), the controller (20) control the heater (12) by first frequency converter (21);With/
Or,
Second frequency converter (22), the controller (20) control the circulating pump (11) by second frequency converter (22).
32. system as claimed in claim 26, which is characterized in that
The value range of the first preset temperature threshold Ts1 is [- 10 DEG C, 10 DEG C].
33. a kind of wind power generating set, which is characterized in that including gear-box, use any one of such as claim 1-9,20-25 institute
It states gear box lubricating oil method for heating and controlling to heat the lubricating oil of the circulation heating tube of the gear-box, alternatively, using such as
Any one of claim 10-19,26-32 gear box lubricating oil heating control system.
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CN110259652A (en) * | 2019-06-24 | 2019-09-20 | 华润新能源(忻州)风能有限公司 | A kind of method for heating and controlling and relevant apparatus of wind-power electricity generation cabinet |
CN110598328B (en) * | 2019-09-16 | 2023-05-26 | 中国船舶重工集团海装风电股份有限公司 | Calculation method for low-temperature starting heating time of wind power gear box |
CN112648265B (en) * | 2021-01-05 | 2023-11-21 | 中联重科土方机械有限公司 | Heating system for hydraulic system, heating control method and excavator |
CN114606045B (en) * | 2022-03-26 | 2022-12-16 | 孚迪斯石油化工(葫芦岛)有限公司 | Lubricating oil and preparation method thereof |
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CN201739100U (en) * | 2010-07-08 | 2011-02-09 | 上海敏泰液压件有限公司 | Gear box lubricating device for wind driven generator |
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