CN117537060A - Wind power filter element, lubrication system of wind power gear box and wind generating set - Google Patents
Wind power filter element, lubrication system of wind power gear box and wind generating set Download PDFInfo
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- CN117537060A CN117537060A CN202311583572.2A CN202311583572A CN117537060A CN 117537060 A CN117537060 A CN 117537060A CN 202311583572 A CN202311583572 A CN 202311583572A CN 117537060 A CN117537060 A CN 117537060A
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- 238000005461 lubrication Methods 0.000 title claims abstract description 23
- 230000001050 lubricating effect Effects 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 238000001914 filtration Methods 0.000 claims description 49
- 238000007789 sealing Methods 0.000 claims description 23
- 239000002131 composite material Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims 1
- 230000003749 cleanliness Effects 0.000 abstract description 10
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000006257 total synthesis reaction Methods 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
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of wind power generation, and provides a wind power filter element, a lubrication system of a wind power gear box and a wind power generator set, wherein the wind power filter element comprises a main filter element module; the split-flow filter element module is arranged at the top of the main filter element module and is connected with the main filter element module in parallel; the top of the split-flow filter element module is provided with a bypass valve; the safety filter element module is arranged in the main filter element module; the safety valve core is connected with the main filter core module in series; the outer diameter side of the periphery of the main filter element module, the shunt filter element module and the safety filter element module is provided with an oil inlet, and the bottom of the safety valve core is provided with an oil outlet. When the main filter element module is blocked or the initial cooler is in operation, lubricating liquid can prop up the bypass valve and flow through the safety filter element module to be filtered and then directly flow out of the outlet for a gear box lubricating system, and the bypass lubricating liquid can still ensure the cleanliness under the condition of not affecting the circulation; the filter precision of the wind power lubrication filter element foundation can be ensured under the state of smaller pressure loss and dirt receiving capacity.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a wind power filter element, a lubrication system of a wind power gear box and a wind power generator set.
Background
The gearbox is an important mechanical component in the wind generating set, and the main function of the gearbox is to transmit power generated by the wind wheel under the action of wind power to the generator and enable the generator to obtain corresponding rotating speed.
In the prior art, in order to realize higher efficiency and longer service life, a wind power lubrication filter element of a lubrication system is required to have stronger impurity filtering capability and higher filtering precision so as to realize better dirt interception capability.
However, in general, if the filtration accuracy of the filter layer of the wind power filter element is to be improved, it is more difficult for the lubricating liquid to pass through the filter layer, and the pressure loss is high, so that the dirt holding capacity is reduced.
Disclosure of Invention
The invention provides a wind power filter element, a lubrication system of a wind power gear box and a wind power generator set, which are used for solving the defect that the filtering precision, the pressure loss and the dirt receiving capacity of a filter layer of the wind power filter element cannot be taken into consideration in the prior art, and improving the filtering performance of the wind power filter element.
The invention provides a wind power filter element, comprising:
a main cartridge module;
the split-flow filter element module is arranged at the top of the main filter element module and is connected with the main filter element module in parallel; a bypass valve is arranged at the top of the split-flow filter element module, and the bypass valve is used for being opened under preset pressure; the filtering precision of the split-flow filter element module is higher than that of the main filter element module;
the safety filter element module is arranged in the main filter element module; and the safety valve core is connected with the main filter element module in series;
the outer diameter sides of the main filter element module, the shunt filter element module and the safety filter element module are respectively provided with an oil inlet, and the bottom of the safety valve element is provided with an oil outlet.
According to the wind power filter element provided by the invention, the wind power filter element further comprises a venturi mixed flow end cover, and the venturi mixed flow end cover is arranged between the main filter element module and the split-flow filter element module.
According to the wind power filter element provided by the invention, the safety filter element module comprises:
the safety core central tube is sleeved in the main filter element module;
the safety core filter layer is arranged on the periphery of the safety core central tube;
the safety core end cover is arranged at the tops of the safety core central tube and the safety core filter layer;
and the magnet ring is arranged at the top of the safety core end cover.
According to the wind power filter element provided by the invention, the main filter element module comprises:
the outer wall of the main filter element central tube is provided with a plurality of first through holes for lubricating liquid to penetrate;
the main filter element filter layer is arranged on the periphery of the main filter element central tube and is used for filtering lubricating liquid;
the combined end cover is arranged at the bottoms of the main filter element central tube, the main filter element filtering layer, the safety core central tube and the safety core filtering layer.
According to the wind power filter element provided by the invention, the combined end cover comprises:
the top of the central part is provided with a first annular groove structure; the periphery of the central part is provided with a second annular groove structure; wherein the first annular groove structure is used for fixing the safety filter element module; the second annular groove structure is used for fixing the main filter element module;
an inner concave sealing notch for assembling a sealing element is arranged at the inner diameter of the central part;
and the sealing ring is arranged in the inner concave sealing notch and used for realizing synchronous radial sealing and axial sealing.
The wind power filter element provided by the invention further comprises a dirt interception cylinder, wherein the dirt interception cylinder is arranged on the periphery of the main filter element filter layer, and the height of the dirt interception cylinder is lower than that of the main filter element filter layer; the bottom of the dirt interception cylinder is connected with the combined end cover.
According to the wind power filter element provided by the invention, the shunt filter element module comprises:
the outer wall of the split-flow filter core central tube is provided with a plurality of second through holes for lubricating liquid to penetrate; the bypass valve is arranged in the center tube of the split-flow filter element;
the split-flow filter element filter layer is arranged on the periphery of the split-flow filter element central tube and is used for filtering lubricating liquid;
and the shunt filter element end cover is arranged at the top of the shunt filter element filtering layer.
According to the wind power filter element provided by the invention, the bypass valve comprises:
the periphery of the valve body is sleeved with an elastic piece; the valve body is provided with a guide groove;
the valve seat is in threaded connection with the valve body;
the valve cover is arranged at the top of the valve body, and the inclination angle seal is arranged between the valve cover and the valve body.
The invention also provides a lubrication system of the wind power gear box, which comprises: a wind power filter cartridge according to any preceding claim.
The invention also provides a wind generating set, comprising: a wind power filter cartridge as claimed in any one of the preceding claims, or a gearbox as described above.
The wind power filter element provided by the invention is arranged at the top of the main filter element module through the shunt filter element module and is connected with the main filter element module in parallel, and the safety filter element module is arranged in the main filter element module; when the filter is in normal operation, lubricating liquid enters oil through oil inlets of the main filter element module and the shunt filter element module and then enters the safety filter element module, and filtered lubricating liquid flows out from the oil outlet; the filtering precision of the split-flow filter element module is higher than that of the main filter element module, and the filtering precision of the wind power lubrication filter element foundation is ensured.
When the main filter element module is blocked or the initial cooler is in operation, the pressure of the wind power filter element is high, lubricating liquid can prop up the bypass valve and flow through the safety filter element module to be filtered and then directly flow out of the outlet for the gear box, and the bypass lubricating liquid can still ensure the cleanliness under the condition of not affecting the circulation; the dirt receiving capacity of the wind power filter element can be improved.
Therefore, the wind power filter element provided by the invention can ensure the filtering precision of the wind power lubrication filter element foundation under the state of smaller pressure loss and dirt receiving capacity.
The lubrication system of the wind power gear box provided by the invention has various advantages due to the inclusion of the wind power filter element.
The wind generating set provided by the invention has various advantages due to the lubrication system comprising the wind power gear box.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a wind power filter element provided by the invention;
FIG. 2 is a cross-sectional view of a diverter cartridge module provided by the present invention;
FIG. 3 is a schematic view of the structure of the venturi mixed flow end cap provided by the present invention;
FIG. 4 is a cross-sectional view of a main filter cartridge module and a safety filter cartridge module provided by the present invention;
FIG. 5 is a schematic illustration in semi-section of a composite end cap provided by the present invention;
FIG. 6 is a schematic view of the mounting structure of the composite end cap provided by the present invention;
FIG. 7 is a working schematic diagram of a wind power filter element provided by the invention;
FIG. 8 is a schematic view of the external structure of the wind power filter element provided by the invention;
reference numerals:
1. a main cartridge module; 2. a split flow cartridge module; 3. a safety cartridge module; 4. a venturi mixed flow end cap; 5. a dirt interception cylinder;
11. a main filter element central tube; 111. a first through hole; 12. a main filter element filtering layer; 13. assembling an end cover; 131. a center portion; 132. a first annular groove structure; 133. a second annular groove structure; 134. a concave sealing notch; 135. a seal ring;
21. a bypass valve; 211. a valve body; 212. an elastic member; 213. a guide groove; 214. a valve seat; 215. a valve cover;
22. a shunt filter core central tube; 23. a shunt filter element filtering layer; 24. a shunt filter core end cap; 25. a lifting handle;
31. a safety core central tube; 32. a safety core filter layer; 33. a safety core end cap; 34. a magnet ring;
41. an annular body; 42. a horn tube; 43. a swirl vane structure; 44. and a central support ring column.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The wind power filter element of the invention is described below with reference to fig. 1 to 8, so as to solve the problem of how to balance and compatible filtering precision, pressure loss and dirt receiving capability in the prior art.
As shown in fig. 1, an embodiment of the present invention provides a wind power filter cartridge, including a main filter cartridge module 1, a split filter cartridge module 2, and a safety filter cartridge module 3.
The periphery of the main filter element module 1 is provided with an oil inlet for filtering most of lubricating liquid; the shunt filter element module 2 is arranged at the top of the main filter element module 1 and is connected in parallel with the main filter element module 1, namely, the shunt filter element module 2 and the main filter element module 1 are simultaneously used for primary filtration of lubricating liquid, the outer diameter side of the shunt filter element module 2 is also provided with an oil inlet, and primary filtration lubricating liquid can be obtained after primary filtration of the main filter element module 1 or the shunt filter element module 2. The filtering precision of the split-flow filter element module 2 is greater than that of the main filter element module 1, and the primary filtering is carried out from the main filter element module 1 for all lubricating liquid, so that the filtering precision of the wind power filter element is improved.
The top of the split-flow filter element module 2 is provided with a bypass valve 21, and the bypass valve 21 is used for opening under preset pressure; that is, the bypass valve 21 is normally closed under the normal working state of the wind power filter element, when the pressure of the wind power filter element reaches the preset pressure, the bypass valve 21 can be opened, at this time, lubricating liquid can directly enter the inside of the split-flow filter element module 2 from the opening of the bypass valve 21 and then enter the inside of the main filter element module 1, so that when the main filter element module is blocked, the dirt receiving capacity of the wind power filter element is increased.
The safety filter element module 3 is arranged in the central cavity of the main filter element module 1; and the safety filter element module 3 is connected with the main filter element module 1 in series; namely, the primary filtering lubricating liquid enters the safety filter element module 3, is filtered again to obtain the lubricating liquid meeting the cleanliness requirement, flows out of an oil outlet at the bottom of the safety filter element module 3, and enters the gear box for use.
The wind power filter element provided by the invention is characterized in that a shunt filter element module 2 is arranged at the top of a main filter element module 1 and is connected with the main filter element module 1 in parallel, and a safety filter element module 3 is arranged in the main filter element module 1; when the filter is in normal operation, lubricating liquid enters oil through oil inlets of the main filter element module 1 and the shunt filter element module 2 and then enters the safety filter element module 3, and filtered lubricating liquid flows out from the oil outlet; the filtering precision of the split-flow filter element module 2 is higher than that of the main filter element module 1, and the filtering precision of the wind power filter element is improved.
When the main filter element module 1 is blocked or an initial chiller runs, the pressure of the wind power filter element is high, lubricating liquid can prop up the bypass valve 21 and flow through the safety filter element module 3 to be filtered and then directly flow out of the oil outlet, so that the lubricating liquid can be used by a gear box lubricating system, and the cleanliness of the bypass lubricating liquid can be ensured under the condition that the circulation is not influenced; the dirt receiving capacity of the wind power filter element can be improved.
Therefore, the wind power filter element provided by the embodiment of the invention can ensure the filtering precision of the wind power lubrication filter element foundation under the state of smaller pressure loss and dirt receiving capacity, and effectively responds to the urgent requirement of users for iterative upgrade of the cleanliness of the corresponding gearbox.
As shown in fig. 2 and 3, in one embodiment of the present invention, the venturi mixed flow end cap 4 is further included, the venturi mixed flow end cap 4 is disposed between the main filter element module 1 and the split filter element module 2, and the venturi mixed flow end cap is bonded to the main filter element module 1 and the split filter element module 2. The middle part of venturi mixed flow end cover 4 has venturi pipeline, and when the lubrication fluid flows in venturi pipeline, in the narrowest department of pipeline, dynamic pressure reaches maximum value, and static pressure reaches minimum value, and the speed of lubrication fluid rises because the cross section area of through-flow reduces, realizes the accelerated flow of lubrication fluid through reposition of redundant personnel filter core module 2.
Specifically, venturi mixed flow end cover 4 includes annular body 41, the horn pipe 42, swirl vane structure 43 and central support ring post 44, the top and the reposition of redundant personnel filter core module 2 sealing connection of annular body 41, the bottom and the main filter core module 1 sealing connection of annular body 41, annular body 41 can be fixed through bonding with reposition of redundant personnel filter core module 2 and main filter core module 1, the horn pipe 42 sets up in the middle part of annular body 41, the inside of horn pipe 42 is provided with swirl vane structure 43, central support ring post 44 sets up in the middle part of horn pipe 42, in order to make annular body 41, the horn pipe 42, swirl vane structure 43 and central support ring post 44 form venturi mixed flow end cover 4, the integration has venturi mixing channel for the lubricating liquid is accelerated. In addition, the Venturi mixed flow end cover 4 can be integrally formed, and is convenient to process.
As shown in fig. 4, in one embodiment of the present invention, the safety cartridge module 3 includes a safety cartridge center tube 31, a safety cartridge filter layer 32, a safety cartridge end cap 33, and a magnet ring 34. The safety core central tube 31 is sleeved in the main filter element module 1, namely is positioned in the central cavity of the main filter element module 1; the safety core filter layer 32 is arranged on the periphery of the safety core central tube 31, the first-stage filtering lubricating liquid is filtered by the safety core filter layer 32, enters the inside of the safety core central tube 31 through an oil inlet on the side wall of the safety core central tube 31, and finally flows out from an oil outlet at the bottom of the safety core central tube 31; the safety core end cover 33 is arranged on the top of the safety core central tube 31 and the safety core filter layer 32, and is used for realizing that the lubricating liquid passes along a designated oil path; the magnet ring 34 is arranged at the top of the safety core end cover 33, and the magnet ring 34 is used for adsorbing adsorbable scrap iron flowing through the periphery of the magnet, so that the filtering performance of the wind power filter element is improved.
Referring again to fig. 1 and 4, in one embodiment of the invention, the main cartridge module 1 includes a main cartridge base pipe 11, a main cartridge filter layer 12, and a combination end cap 13. The outer wall of the main filter core central tube 11 is provided with a plurality of first through holes 111 for lubricating liquid to penetrate, and the first through holes 111 are oil inlets of the main filter core central tube 11. The main filter element filtering layer 12 is arranged on the periphery of the main filter element central tube 11, the main filter element filtering layer 12 is used for filtering lubricating liquid, the main filter element filtering layer 12 can be supported by adopting medium-precision and multi-layer composite double-sided supporting materials, the high-pressure-resistant total-synthesis filtering material with a gradient structure is provided, the initial pressure loss of the main filter element filtering layer 12 is low, the filtering area is large, and the containing dirt is higher. The combined end cover 13 is arranged at the bottoms of the main filter element central tube 11, the main filter element filter layer 12, the safety core central tube 31 and the safety core filter layer 32, and the center of the combined end cover 13 is the same as the oil outlet of the safety core central tube 31 so that lubricating liquid smoothly flows out.
Generally, the inner peripheral side of the main core center tube 11 and the outer peripheral side of the safety core filter layer 32 need to be secured a sufficient distance to allow the lubricating fluid to better pass through the safety core center tube 31.
As shown in fig. 5 and 6, in one embodiment of the present invention, the combination end cap 13 includes a central portion 131, a first annular groove structure 132, and a second annular groove structure 133, the top of the central portion 131 being provided with the first annular groove structure 132; the outer periphery of the central portion 131 is provided with a second annular groove structure 133; wherein the first annular groove structure 132 is used for fixing the safety filter element module 3; the second annular groove structure 133 is used for fixing the main filter element module 1; an inner concave seal groove 134 for assembling a seal is provided at an inner diameter of the central portion 131; a seal ring 135 is provided inside the concave seal groove 134 for achieving synchronous radial and axial sealing. The sealing ring 135 is an i-shaped sealing ring, and the i-shaped sealing ring is axially sealed in comparison with the existing sealing structure in the market, so that the synchronous axial and radial sealing reduces the risk of sealing failure of the wind power filter element, and the stability of the filtering performance is enhanced.
As shown in fig. 4 and 6, in one embodiment of the present invention, the filter further comprises a dirt interception cylinder 5, the dirt interception cylinder 5 is sleeved on the periphery of the main filter element filter layer 12, and the height of the dirt interception cylinder 5 is lower than the height of the main filter element filter layer 12; the bottom of the dirty interception cylinder 5 is connected with the combined end cover 13, the dirty interception cylinder 5 is arranged, when the wind power filter element is maintained, dirty which is intercepted by a gap between the dirty interception cylinder 5 and the main filter element filter layer 12 can not be stripped off and fall from the outer diameter of the main filter element filter layer 12, and the dirty interception cylinder can be taken out of the gear box filter cavity module, so that the cleanliness of the system is effectively ensured.
Referring again to fig. 2, in one embodiment of the present invention, the split-flow filter element module 2 includes a split-flow filter element central tube 22, a split-flow filter element filter layer 23, and a split-flow filter element end cover 24, where the outer wall of the split-flow filter element central tube 22 is provided with a plurality of second through holes for lubricating fluid to pass through, that is, the second through holes serve as oil inlets of the split-flow filter element central tube 22; a bypass valve 21 is arranged in the shunt filter core central pipe 22; the split-flow filter element filter layer 23 is arranged on the periphery of the split-flow filter element central tube 22, and the split-flow filter element filter layer 23 is used for filtering lubricating liquid; the shunt filter core end cover 24 is arranged on the top of the shunt filter core filtering layer 23 and is used for realizing the sealing of the shunt filter core filtering layer 23. The shunt filter element filter layer 23 and the main filter element filter layer 12 are connected in parallel, and can filter lubricating liquid with high precision.
The split-flow filter element filter layer 23 is made of ultra-high-precision multi-layer composite double-sided support materials, and is made of high-pressure-resistant total-synthetic filter materials with gradient structures, and the filtering precision of the split-flow filter element filter layer 23 is higher than that of the main filter element filter layer 12, so that a good filtering effect is achieved.
In addition, as shown in fig. 2 and 8, a lifting handle 25 can be further arranged at the top of the split-flow filter element end cover 24, when the lifting handle 25 is used for maintaining the wind power filter element, a user can conveniently lift the split-flow filter element end cover 24, the lifting handle 25 can be rotatably connected with the split-flow filter element end cover 24, and a handle clamping groove can be further formed in the split-flow filter element end cover 24, so that when the lifting handle 25 is not needed, the lifting handle 25 can be clamped in the handle clamping groove, and shaking of the lifting handle 25 is prevented.
As shown in fig. 2, in one embodiment of the present invention, the bypass valve 21 includes a valve body 211, an elastic member 212, a guide groove 213, a valve seat 214, and a valve cover 215, and the elastic member 212 is sleeved on the outer circumference of the valve body 211; the valve body 211 is internally provided with the guide groove 213, the valve body 211 can only move in the up-down direction through the arrangement of the guide groove 213, and the performance of the valve body 211 is stable; the valve seat 214 is in threaded connection with the valve body 211, and the relative positions of the valve seat 214 and the valve body 211 can be adjusted through threaded connection, so that the compression amount of the elastic piece 212 in the bypass valve 21 can be controlled better, and finally, the opening pressure value of the bypass valve 21 can be controlled. The valve cap 215 is arranged at the top of the valve body 211, and the valve cap 215 and the valve body 211 are sealed at an inclined angle, so that the tightness is effectively improved.
The main filter element central tube 11, the shunt filter element central tube 22 and the safety core central tube 31 can be high-strength central tubes meshed by self-screws, the meshed convex ribs play a role of embedded reinforcing ribs, and compared with the structure of embedded reinforcing rings in the prior art, the high-strength central tube is integrally formed, so that the processing technology is effectively simplified, and the cost of parts is reduced.
As shown in fig. 7, the working process of the wind power filter element provided by the invention is as follows: during normal operation, the lubricating liquid flows to the oil inlet side of the wind power filter element, most of the lubricating liquid is filtered and purified from the oil inlet of the main filter element filter layer 12, and the primary filtered lubricating liquid enters the inner side of the main filter element central tube 11; a small part of lubricating liquid passes through the filter layer 23 of the split filter element, the first-stage filtering lubricating liquid enters the inner side of the central tube 22 of the split filter element, then passes through the Venturi mixed flow end cover 4 to be mixed with the lubricating liquid in the central tube 11 of the main filter element, then flows downwards, absorbs and intercepts metal scraps through the magnet ring 34, then passes through the filter layer 32 of the safety filter element to obtain clean lubricating liquid on the oil outlet side of the safety filter element, and finally the lubricating liquid which is sufficiently filtered and purified and meets the cleanliness required by lubrication of a gear box flows from the oil outlet to the rear end of the system.
When the main filter element module 1 is blocked or the initial chiller runs, the pressure of the wind power filter element is high, lubricating liquid can prop up the bypass valve 21 and directly flow out of the oil outlet through the safety filter element module 3 for the gear box, and the bypass lubricating liquid can still ensure the cleanliness under the condition of not affecting the circulation.
According to the wind power filter element provided by the invention, when the main filter element module 1 is blocked or an initial chiller runs, the lubricating liquid can push the bypass valve 21 to flow through the safety filter element module 3 for filtering and then directly lubricate a gear box, and the bypass lubricating liquid still ensures the basic cleanliness under the condition of not affecting the circulation.
Moreover, the dirt interception cylinder 5 is arranged, so that dirt can be caught and cannot be peeled off and fall off when the wind power filter element is maintained and replaced, and secondary pollution caused by impurities intercepted on the outer surface of the main filter element filter layer 12 is avoided.
The top of the safety filter element module 3 is integrated with a magnet ring 34, so that tiny worn metal particles can be adsorbed, and the cleanliness of bypass lubricating liquid can be improved particularly when the wind power filter element lubricating liquid bypasses.
The lubrication system of the wind power gear box and the wind power generator set provided by the invention are described below, and the lubrication system of the wind power gear box and the wind power generator set described below and the wind power filter element described above can be correspondingly referred to each other.
An embodiment of a second aspect of the present invention is directed to a lubrication system for a wind turbine gearbox, comprising: a wind power filter cartridge according to any of the preceding embodiments.
An embodiment of a third aspect of the present invention is directed to a wind turbine generator set, comprising: a wind power filter cartridge as claimed in any one of the preceding claims, or a lubrication system for a wind power gearbox as described above.
The gearbox and the wind generating set provided by the invention can realize a better filtering effect and ensure a better dirt receiving capacity due to the inclusion of the wind power filter element.
In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "manner," "particular modes," or "some modes," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or mode is included in at least one embodiment or mode of the embodiments of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or manner. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or ways. Furthermore, various embodiments or modes and features of various embodiments or modes described in this specification can be combined and combined by those skilled in the art without mutual conflict.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A wind power filter cartridge, comprising:
a main cartridge module (1);
the split-flow filter element module (2) is arranged at the top of the main filter element module (1) and is connected with the main filter element module (1) in parallel; a bypass valve (21) is arranged at the top of the split-flow filter element module (2), and the bypass valve (21) is used for opening under preset pressure; the filtering precision of the split-flow filter element module (2) is higher than that of the main filter element module (1);
the safety filter element module (3) is arranged in the main filter element module (1); and the safety filter element module (3) is connected with the main filter element module (1) in series;
the novel filter element comprises a main filter element module (1), a shunt filter element module (2) and a safety filter element module (3), wherein the outer diameter side of the main filter element module (1) and the outer diameter side of the safety filter element module (3) are respectively provided with an oil inlet, and the bottom of the safety filter element module (3) is provided with an oil outlet.
2. Wind power filter cartridge according to claim 1, further comprising a venturi mixed flow end cap (4), the venturi mixed flow end cap (4) being arranged between the main filter cartridge module (1) and the split filter cartridge module (2).
3. Wind power filter cartridge according to claim 1, characterized in that the safety filter cartridge module (3) comprises:
the safety core central tube (31) is sleeved in the main filter element module (1);
a safety core filter layer (32) provided on the outer periphery of the safety core center tube (31);
a safety core end cover (33) arranged on the top of the safety core central tube (31) and the safety core filter layer (32);
and the magnet ring (34) is arranged at the top of the safety core end cover (33).
4. A wind power filter cartridge according to claim 3, wherein the main cartridge module (1) comprises:
a plurality of first through holes (111) for the penetration of lubricating liquid are formed in the outer wall of the main filter core central tube (11);
the main filter element filter layer (12) is arranged on the periphery of the main filter element central tube (11), and the main filter element filter layer (12) is used for filtering lubricating liquid;
the combined end cover (13) is arranged at the bottoms of the main filter element central tube (11), the main filter element filter layer (12), the safety core central tube (31) and the safety core filter layer (32).
5. The cartridge of claim 4, wherein the composite end cap (13) comprises:
a central portion (131) provided at the top with a first annular groove structure (132); the periphery of the central part (131) is provided with a second annular groove structure (133); wherein the first annular groove structure (132) is used for fixing the safety filter element module (3); the second annular groove structure (133) is used for fixing the main filter element module (1);
an inner concave sealing notch (134) for assembling a sealing element is arranged at the inner diameter of the central part (131);
and the sealing ring (135) is arranged in the inner concave sealing notch (134) and is used for realizing synchronous radial sealing and axial sealing.
6. The wind power filter element according to claim 4, further comprising a dirt interception cylinder (5), wherein the dirt interception cylinder (5) is arranged at the periphery of the main filter element filter layer (12), and the height of the dirt interception cylinder (5) is lower than the height of the main filter element filter layer (12); the bottom of the dirt interception cylinder (5) is connected with the combined end cover (13).
7. Wind power filter cartridge according to claim 1, characterized in that the shunt filter cartridge module (2) comprises:
the outer wall of the split-flow filter core central tube (22) is provided with a plurality of second through holes for lubricating liquid to penetrate; the bypass valve (21) is arranged in the shunt filter core central pipe (22);
the split-flow filter element filter layer (23) is arranged on the periphery of the split-flow filter element central tube (22), and the split-flow filter element filter layer (23) is used for filtering lubricating liquid;
and the shunt filter element end cover (24) is arranged at the top of the shunt filter element filter layer (23).
8. Wind power filter cartridge according to claim 1, characterized in that the bypass valve (21) comprises:
a valve body (211), the periphery of which is sleeved with an elastic piece (212); and the valve body has a guide groove (213);
a valve seat (214) screwed to the valve body (211);
the valve cover (215) is arranged at the top of the valve body (211), and an inclination angle is sealed between the valve cover (215) and the valve body (211).
9. A lubrication system for a wind turbine gearbox, comprising: a wind power filter cartridge according to any one of claims 1 to 8.
10. A wind turbine generator set, comprising: a wind power filter cartridge according to any one of claims 1 to 8, or a gearbox according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311583572.2A CN117537060A (en) | 2023-11-24 | 2023-11-24 | Wind power filter element, lubrication system of wind power gear box and wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311583572.2A CN117537060A (en) | 2023-11-24 | 2023-11-24 | Wind power filter element, lubrication system of wind power gear box and wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117537060A true CN117537060A (en) | 2024-02-09 |
Family
ID=89787817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311583572.2A Pending CN117537060A (en) | 2023-11-24 | 2023-11-24 | Wind power filter element, lubrication system of wind power gear box and wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117537060A (en) |
-
2023
- 2023-11-24 CN CN202311583572.2A patent/CN117537060A/en active Pending
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