CN113250913A - Oil leakage detection system and installation method for second-order damping platform of wind generating set - Google Patents
Oil leakage detection system and installation method for second-order damping platform of wind generating set Download PDFInfo
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- CN113250913A CN113250913A CN202110607436.7A CN202110607436A CN113250913A CN 113250913 A CN113250913 A CN 113250913A CN 202110607436 A CN202110607436 A CN 202110607436A CN 113250913 A CN113250913 A CN 113250913A
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- liquid level
- level sensor
- receiving box
- generating set
- wind generating
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- 238000013016 damping Methods 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 title abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 72
- 230000001681 protective effect Effects 0.000 claims description 16
- 210000001503 joint Anatomy 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 2
- 230000005684 electric field Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
-
- 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 second-order damping platform oil leakage detection system of a wind generating set and an installation method, wherein the second-order damping platform oil leakage detection system comprises the wind generating set and an oil receiving box arranged on a second-order damping platform, the oil receiving box is provided with a bearing bracket, the bearing bracket comprises a supporting plate, one end of the supporting plate is connected with the oil receiving box, an installation position is arranged on the oil receiving box, a liquid level sensor is arranged on the installation position, the liquid level sensor is positioned in the central area inside the oil receiving box, and the liquid level sensor is connected with a main control system of the wind generating set through a cable; the invention aims to provide a second-order damping platform oil leakage detection system of a wind generating set, which is used for detecting oil leakage of liquid contained in a second-order damping platform of a tower drum, detecting electric field changes caused by approach of different media through a liquid level sensor, judging whether the liquid level reaches a preset value, triggering oil leakage alarm to a main control system of a fan, and improving the safety of the tower drum.
Description
Technical Field
The invention belongs to the field of wind power generation, and particularly relates to a second-order damping platform oil leakage detection system of a wind generating set and an installation method.
Background
The second-order damping platform of the tower barrel in the wind power generation system is used for inhibiting the second-order vibration of the tower barrel of the wind power generation set through the inertia force or shaking of liquid. The damper for the tower drum of the wind generating set and the tower drum of the wind generating set can reduce the negative influence of second-order vibration on the tower drum in a strong wind environment and improve the safety of the tower drum; therefore, the detection and control functions of the effectiveness of the damper play a critical role in the safety of the tower.
Summary of the invention
In view of the above, the invention provides a second-order damping platform oil leakage detection system of a wind generating set and an installation method thereof, which are used for detecting oil leakage of liquid contained in a second-order damping platform of a tower, detecting electric field changes caused by approach of different media through a liquid level sensor, judging whether the liquid level reaches a preset value, triggering oil leakage alarm to a main control system of a fan, and improving the safety of the tower.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a second-order damping platform oil leakage detection system of a wind generating set comprises the wind generating set and an oil receiving box arranged on a second-order damping platform, wherein the oil receiving box is provided with a bearing support, the bearing support comprises a support plate, one end of the support plate is connected with the oil receiving box, an installation position is arranged on the oil receiving box, a liquid level sensor is arranged on the installation position and is positioned in the central area inside the oil receiving box, and the liquid level sensor is connected with a main control system of the wind generating set through a cable; the opening that connects the oil box covers the fly net of one deck, connects the oil box top and connects the protective bracket, and the protective bracket is located level sensor top, and protective bracket is inside to be set up the holding cavity that holds level sensor.
Further, the liquid level sensor is a capacitive liquid level switch sensor.
Furthermore, the distance between the sensing surface of the liquid level sensor and the bottom surface of the oil receiving box is 25-35 mm.
Further, a platform panel is arranged between the oil receiving box and the protective bracket.
Furthermore, the platform connecting panel is connected with the oil receiving box through a lining plate.
Furthermore, the liquid level sensor is connected with the tower footing cabinet through a butt joint pipe, and the butt joint pipe comprises a male joint pipe and a female joint pipe which are mutually butted.
Further, a sensor signal line of the liquid level sensor is connected with the female joint.
An installation method of a second-order damping platform oil leakage detection system of a wind generating set comprises the following steps:
firstly, detaching the oil receiving box from the second-order damping platform, then installing the liquid level sensor on a bearing support in the oil receiving box, and adjusting the distance between the sensing surface of the liquid level sensor and the bottom surface of the oil receiving box to be 30 mm; then screwing a nut on the upper side of the liquid level sensor, and clamping the liquid level sensor on a bearing bracket of the oil receiving box;
secondly, sleeving an insect-proof net on the liquid level sensor, and installing the insect-proof net on the upper part of the oil receiving box; then, an oil receiving box is arranged below an oil receiving port of the second-order damping platform from the lower side of the second-order damping platform and is fixed by bolts, and a liquid level sensor is connected with a master control system of the wind generating set through a cable; and finally, installing a protective bracket above the liquid level sensor.
Compared with the prior art, the second-order damping platform oil leakage detection system and the installation method of the wind generating set provided by the invention have the following advantages:
according to the invention, the oil receiving box, the bearing support, the liquid level sensor, the insect-proof net and the protective support are provided, the liquid level sensor is arranged on the oil receiving box, the liquid level sensor is used for detecting the electric field change caused by the approach of different media, judging whether the liquid level reaches a preset value or not, and triggering the oil leakage alarm to the main control system of the fan, so that the safety of the tower barrel is improved, the oil leakage detection of the liquid contained in the second-order damping platform of the tower barrel is realized, the validity of the damper is detected, and the safety of the tower barrel is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
fig. 1 is a schematic view of the overall structure according to the embodiment of the present invention;
FIG. 2 is a schematic structural view of a load-bearing support and its connecting components according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a male connector tube and a connecting member thereof according to an embodiment of the present invention;
fig. 4 is a wiring diagram of an oil leakage detection system according to an embodiment of the present invention;
fig. 5 is an electrical control schematic diagram of an oil leakage detection system according to an embodiment of the present invention.
Description of reference numerals:
1-oil receiving box; 2-a load-bearing support; 3-insect-proof net; 4-lining board; 5-a platform panel; 6-a protective bracket; 7-an accommodating cavity; 8-a liquid level sensor; 9-induction surface; 201-an installation site; 202-a support plate; 203-locking nut; 204-male connector tube.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
As shown in fig. 1 to 5, a second-order damping platform oil leakage detection system of a wind generating set comprises the wind generating set and an oil receiving box 1 arranged on the second-order damping platform, wherein the oil receiving box 1 is provided with a bearing support 2, the bearing support 2 comprises a support plate 202, one end of the support plate 202 is connected with the oil receiving box 1, an installation position 201 is arranged on the oil receiving box 1, a liquid level sensor 8 is arranged on the installation position 201, the liquid level sensor 8 is positioned in a central area inside the oil receiving box 1, and the liquid level sensor 8 is connected with a main control system of the wind generating set through a cable; connect the opening of oil box 1 to cover one deck fly net 3, connect 1 top connection protective bracket 6 of oil box, protective bracket 6 is located level sensor 8 top, and protective bracket 6 is inside to be set up the holding cavity 7 that holds level sensor.
A liquid level sensor 8 in the second-order damping platform oil leakage detection system of the wind generating set adopts a capacitance principle, judges whether the liquid level reaches a preset value or not by detecting the electric field change caused by the approach of different media, triggers an oil leakage alarm to a main control system of a fan, and judges whether an oil leakage failure of a damper exists or not and whether the damper needs to be replaced or not after the main control system receives an alarm signal, so that the safety of a tower cylinder is improved.
Preferably, the BALLUFF capacitive liquid level switch BCS0063 is selected as the second-order damping platform oil leakage detection liquid level switch, and the liquid level switch adopts the capacitance principle and judges whether the liquid level reaches a preset value or not by detecting the electric field change caused by the approach of different media. The switch distance of the default setting of the liquid level switch leaving the factory is 7mm, when the liquid level in the oil receiving box rises by 23mm, the oil leakage alarm is triggered, and the detection distance of the sensor does not need to be adjusted.
The liquid level sensor 8 is connected with the tower footing cabinet through a butt joint pipe, and the butt joint pipe comprises a male joint pipe 204 and a female joint pipe which are mutually butted. And a sensor signal wire of the liquid level sensor 8 is connected with the female joint. The butt joint pipe consists of a male joint pipe and a female joint pipe, and the butt joint male joint pipe and the female joint pipe are butted, screwed and mutually butted, locked and waterproof.
As shown in FIG. 3, the cable 206 at the tower footing cabinet side needs to be sleeved into the number tube 207, and the number tube does not need to be sleeved at the butt-joint tube side, and the wire connection lug does not need to be pressed. The sensor signal wire cable head fabrication is performed with reference to the butt pipe side in fig. 3, and no number pipe and wire lug are used. The sensor signal wire is passed through a nylon hose of 2m, the nylon hose is positioned at the sensor side, a 40mm long phi 18 heat-shrinkable tube 205 is used for heat-shrinking treatment, and the joint 208 at the tower base cabinet side adopts an E3408L wire lug.
As shown in fig. 4 and 5, the liquid level sensor 8 is connected with the main control system of the wind generating set through a cable, the main control system comprises a PLC host, different media are detected to be close to through the liquid level sensor 8, the caused electric field change is judged, whether the liquid level reaches a preset value or not is judged, an oil leakage alarm is triggered to the main control system of the fan, and after the main control system receives an alarm signal, whether the damper leaks oil or not and fails or not is judged, whether the damper needs to be replaced or not is judged, and the safety of the tower barrel is improved.
As shown in fig. 5, the electrical control schematic diagram, in which:
f1: a power supply loop controller of the oil leakage detection device;
a1: reading a liquid level value of the oil leakage detection device;
a2: calculating and judging the state of the data read from A1;
u1: a surge protector;
x1.1: tower footing cabinet and oil leak detection device connecting terminal
Closing F1, electrifying the oil leakage detection device and normally working; the level value will be sent to a1 by cable; a1 transmits the read data to CPU A2; a2 compares the data and judges the alarm type of the value, which plays a key role in judging whether the damper is damaged. The electric control scheme of the oil leakage sensor of the second-order damping platform of the wind generating set detects the effectiveness of the damper, prolongs the service life of the damper and plays a critical role in the safety of the tower.
An installation method of a second-order damping platform oil leakage detection system of a wind generating set comprises the following steps: firstly, detaching an oil receiving box 1 from a second-order damping platform, then installing a liquid level sensor 8 on a bearing support 2 in the oil receiving box 1, and adjusting the distance between an induction surface 9 of the liquid level sensor 8 and the bottom surface of the oil receiving box 1 to be 30 mm; then screwing a nut 203 on the upper side of the liquid level sensor 8, and clamping the liquid level sensor 8 on a bearing bracket 2 of the oil receiving box 1; secondly, the insect-proof net 3 is sleeved on the liquid level sensor 8 and is arranged at the upper part of the oil receiving box 1; then, the oil receiving box 1 is arranged below an oil receiving port of the second-order damping platform from the lower side of the second-order damping platform and is fixed by bolts, and the liquid level sensor 8 is connected with a main control system of the wind generating set through a cable; and finally, installing a protective bracket 6 above the liquid level sensor 8. The oil leakage detection can be carried out on liquid contained in the second-order tower damping platform, the installation can be implemented on the basis of the existing wind generating set system, and the wind generating set is simple and convenient to install and wide in application range.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a wind generating set second order damping platform oil leak detecting system, includes wind generating set and sets up in second order damping platform connect oily box (1), its characterized in that: the oil receiving box (1) is provided with a bearing support (2), the bearing support (2) comprises a support plate (202), one end of the support plate (202) is connected with the oil receiving box (1), a mounting position (201) is arranged on the support plate, a liquid level sensor (8) is arranged on the mounting position (201), the liquid level sensor (8) is located in the central area inside the oil receiving box (1), and the liquid level sensor (8) is connected with a main control system of the wind generating set through a cable; an opening of the oil receiving box (1) is covered with a layer of insect-proof net (3), the top of the oil receiving box (1) is connected with a protective support (6), the protective support (6) is positioned above the liquid level sensor (8), and an accommodating cavity (7) for accommodating the liquid level sensor is arranged inside the protective support (6).
2. The wind generating set second order damping platform oil leakage detection system of claim 1, characterized in that: the liquid level sensor (8) is a capacitance type liquid level switch sensor.
3. The wind generating set second order damping platform oil leakage detection system of claim 2, characterized in that: the distance between the sensing surface (9) of the liquid level sensor (8) and the bottom surface of the oil receiving box is 25-35 mm.
4. The wind generating set second order damping platform oil leakage detection system of claim 1, characterized in that: a platform panel (5) is arranged between the oil receiving box (1) and the protective bracket (6).
5. The wind generating set second order damping platform oil leakage detection system of claim 4, wherein: the oil receiving box (1) is connected with the platform connecting panel (5) through a lining plate (4).
6. The wind generating set second order damping platform oil leakage detection system of claim 1, characterized in that: the liquid level sensor (8) is connected with the tower footing cabinet through a butt joint pipe, and the butt joint pipe comprises a male joint pipe (204) and a female joint pipe which are mutually butted.
7. The wind generating set second order damping platform oil leakage detection system of claim 6, wherein: and a sensor signal wire of the liquid level sensor (8) is connected with the female joint.
8. A method for installing a second-order damping platform oil leakage detection system of a wind generating set is characterized by comprising the following steps: the method comprises the following steps:
firstly, detaching an oil receiving box (1) from a second-order damping platform, then installing a liquid level sensor (8) on a bearing support (2) in the oil receiving box (1), and adjusting the distance between an induction surface (9) of the liquid level sensor (8) and the bottom surface of the oil receiving box (1) to be 30 mm; then screwing a nut (203) on the upper side of the liquid level sensor (8), and clamping the liquid level sensor (8) on a bearing bracket (2) of the oil receiving box (1);
secondly, the insect-proof net (3) is sleeved on the liquid level sensor (8) and is arranged at the upper part of the oil receiving box (1); then, an oil receiving box (1) is arranged below an oil receiving port of the second-order damping platform from the lower side of the second-order damping platform and is fixed by bolts, and a liquid level sensor (8) is connected with a master control system of the wind generating set through a cable; and finally, a protective bracket (6) is arranged above the liquid level sensor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607436.7A CN113250913A (en) | 2021-06-01 | 2021-06-01 | Oil leakage detection system and installation method for second-order damping platform of wind generating set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607436.7A CN113250913A (en) | 2021-06-01 | 2021-06-01 | Oil leakage detection system and installation method for second-order damping platform of wind generating set |
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| CN113250913A true CN113250913A (en) | 2021-08-13 |
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| CN202110607436.7A Pending CN113250913A (en) | 2021-06-01 | 2021-06-01 | Oil leakage detection system and installation method for second-order damping platform of wind generating set |
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2021
- 2021-06-01 CN CN202110607436.7A patent/CN113250913A/en active Pending
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