CN111963386A - Aerogenerator pivot transmission detecting system that skids - Google Patents
Aerogenerator pivot transmission detecting system that skids Download PDFInfo
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- CN111963386A CN111963386A CN202010862540.6A CN202010862540A CN111963386A CN 111963386 A CN111963386 A CN 111963386A CN 202010862540 A CN202010862540 A CN 202010862540A CN 111963386 A CN111963386 A CN 111963386A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 60
- 238000004804 winding Methods 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 238000013461 design Methods 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 abstract description 7
- 230000008054 signal transmission Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a transmission slip detection system for a rotating shaft of a wind driven generator, which comprises a server system, a main controller and a plurality of detection bearings, wherein the server system, the main controller and the plurality of detection bearings are sequentially connected, the main controller comprises a power supply circuit, a signal receiving and transmitting circuit, a control circuit and a comparison circuit, the detection bearings used by the transmission slip detection system for the rotating shaft of the wind driven generator comprise an inner ring and an outer ring, the outer ring is rotatably sleeved on the inner ring, and the outer side wall of the inner ring is provided with an annular groove. According to the invention, the detection bearing replaces the original mechanical bearing, so that the space is saved, the design difficulty is reduced, each transmission shaft can be detected without additional energy supply, the slip detection of the whole transmission part is realized through the real-time transmission of signals between the main controller and the detection bearing, and the operation safety of the wind power generation system is improved.
Description
Technical Field
The invention relates to the technical field of wind energy, in particular to a transmission slip detection system for a rotating shaft of a wind driven generator.
Background
Wind energy is widely used by the electric power industry as one of clean energy with large storage capacity and wide distribution, the wind energy is generally used for wind power generation, mechanical energy of fan blades is required to be transmitted to a generator through a rotating shaft, a coupler, a gear box and the like for generating electricity by a fan, and the mechanical transmission is used for a long time and has a slipping phenomenon, so that the wind power generation is unstable, mechanical faults are easy to occur, potential safety hazards are caused, the maintenance is required in time, and the larger damage is avoided.
There is not the detecting system who skids to whole transmission part specially in the wind power generation trade, and current transmission is skidded and is detected only to single part, and every check out test set occupation space is great, increases aerogenerator global design degree of difficulty.
Disclosure of Invention
The invention aims to solve the defects that the whole transmission part cannot be detected and the design difficulty of a wind driven generator is increased due to large occupied space in the prior art, and provides a transmission slip detection system for a rotating shaft of the wind driven generator.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wind driven generator rotating shaft transmission slip detection system comprises a server system, a main controller and a plurality of detection bearings which are sequentially connected, wherein the main controller comprises a power supply circuit, a signal receiving and transmitting circuit, a control circuit and a comparison circuit, the power supply circuit is respectively connected with the signal receiving and transmitting circuit, the control circuit and the comparison circuit, each detection bearing comprises a rectification voltage stabilizing circuit, a voltage acquisition circuit, a signal sending circuit and a processing circuit, and the signal receiving and transmitting circuit is respectively and wirelessly connected with the server system and the plurality of signal sending circuits;
the detection bearing used by the wind driven generator rotating shaft transmission slipping detection system comprises an inner ring and an outer ring, wherein the inner ring is sleeved with the outer ring in a rotating mode, an annular groove is formed in the outer side wall of the inner ring, a plurality of unlike magnetic plates are alternately arranged on the groove bottom wall of the annular groove in an annular equidistant mode, an annular iron core is arranged on the inner annular wall of the outer ring, a winding coil is wound on the annular iron core, an annular cavity is formed in the outer ring, a flexible annular detection plate is arranged in the annular cavity, and a rectification voltage stabilizing circuit, a voltage acquisition circuit, a signal sending circuit and a processing circuit are all arranged on the flexible.
Preferably, a plurality of fixing screws are installed on the outer side wall of the outer ring in an annular threaded manner, and one end, close to the inner ring, of each fixing screw penetrates through the flexible annular detection plate and is installed on the wall of the inner ring cavity of the annular cavity.
Preferably, the annular iron core is inserted in the annular groove, the annular iron core is not in contact with the groove wall of the annular groove, and the annular iron core is not in contact with the plurality of unlike magnetic plates.
Preferably, the winding coil is electrically connected to the rectifying and voltage stabilizing circuit.
The invention has the following beneficial effects:
1. the shafts for transmission are inserted in the detection gear through the detection gear, namely when the shafts rotate, the inner ring of the detection gear synchronously and specially rotates along with the shafts, the inner ring rotates to enable the plurality of unlike magnetic plates to rotate and the winding coil on the outer ring annular iron core to generate relative motion, so that electric energy is generated on the winding coil, the electric energy forms direct current through the rectification and voltage stabilization circuit to be used by the voltage acquisition circuit, the signal transmission circuit and the processing circuit, the voltage acquisition circuit acquires voltage parameters of the electric energy generated by the coil winding and transmits the voltage parameters to the processing circuit, the real-time monitoring of the rotation state of the shaft by the detection bearing is realized, namely the rotation speed is in direct proportion to the voltage, the plurality of detection bearings are distributed in the whole wind power generation system, the detection of the whole transmission part is covered, the whole detection of the transmission slip is realized, and the detection bearings do not occupy, need not to change the design, reduce the design degree of difficulty, and detect the bearing and pass through winding coil and synonym magnetic pole self-power, need not to provide extra electric power energy supply alone, need not to lay transmission line, and do not influence original transmission system.
2. The processing circuit processes signals input by the voltage acquisition circuit, then the signals are transmitted to the signal transceiver circuit of the main controller in a wireless mode through the signal transmission circuit, the signal transceiver circuit transmits the signals to the control circuit, the signals are analyzed and arranged and transmitted to the comparison circuit, the voltages detected by the detection bearings are compared, and the comparison results are transmitted to the control circuit, the control circuit processes the comparison results into signals and transmits the signals to the server system in a wired or wireless mode through the signal transceiver circuit, the whole transmission of the wind driven generator system is monitored in real time in a remote mode, faults are conveniently and rapidly known, and slipping positions are rapidly located through the detection bearings.
3. The fixed screw can fix flexible annular detection board in the annular chamber, makes it be difficult for taking place to rock, and the fixed screw can support the annular chamber, reduces the outer lane and sets up the annular chamber and support the influence of intensity to the outer lane.
In conclusion, the detection bearing replaces the original mechanical bearing, so that the space is saved, the design difficulty is reduced, each transmission shaft can be detected, additional energy supply is not needed, the slip detection of the whole transmission part is realized through the real-time signal transmission between the main controller and the detection bearing, and the operation safety of the wind power generation system is improved.
Drawings
FIG. 1 is a block diagram of a transmission slip detection system for a wind turbine rotor according to the present invention;
FIG. 2 is a schematic view of a detecting bearing structure of a transmission slip detecting system for a rotating shaft of a wind turbine generator according to the present invention;
FIG. 3 is an enlarged view of an outer ring portion of a transmission slip detection system for a rotating shaft of a wind driven generator according to the present invention;
FIG. 4 is an enlarged view of a portion of a flexible annular detection plate of a transmission slip detection system of a wind turbine generator according to the present invention.
In the figure: the system comprises a detection bearing 1, an inner ring 2, an annular groove 21, a synonym magnetic plate 211, an outer ring 3, an annular cavity 31, an annular iron core 32, a winding coil 321, a flexible annular detection plate 4, a rectifying and voltage stabilizing circuit 41, a voltage acquisition circuit 42, a signal transmission circuit 43, a processing circuit 44, a fixing screw 5, a main controller 6, a power supply circuit 61, a signal transceiving circuit 62, a control circuit 63, a comparison circuit 64 and a server system 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a transmission slip detection system for a rotating shaft of a wind driven generator comprises a server system 7, a main controller 6 and a plurality of detection bearings 1 which are connected in sequence, wherein the main controller 6 comprises a power supply circuit 61, a signal transceiver circuit 62, a control circuit 63 and a comparison circuit 64, the power supply circuit 61 is respectively connected with the signal transceiver circuit 62, the control circuit 63 and the comparison circuit 64, each detection bearing 1 comprises a rectification voltage stabilizing circuit 41, a voltage acquisition circuit 42, a signal transmitting circuit 43 and a processing circuit 44, and the signal transceiver circuit 62 is respectively connected with the server system 7 and the plurality of signal transmitting circuits 43 in a wireless mode;
the detection bearing 1 used by the wind driven generator rotating shaft transmission slip detection system comprises an inner ring 2 and an outer ring 3, the outer ring 3 is rotatably sleeved on the inner ring 2, an annular groove 21 is formed in the outer side wall of the inner ring 2, a plurality of unlike magnetic plates 211 are alternately arranged on the bottom wall of the annular groove 21 at equal intervals in an annular mode, an annular iron core 32 is arranged on the inner annular wall of the outer ring 3, a winding coil 321 is wound on the annular iron core 32, an annular cavity 31 is formed in the outer ring 3, a flexible annular detection plate 4 is arranged in the annular cavity 31, and a rectification voltage stabilizing circuit 41, a voltage acquisition circuit 42, a signal sending circuit 43 and a processing circuit 44 are all arranged.
Annular thread installs a plurality of fixed screws 5 on outer lane 3's the lateral wall, and every fixed screw 5 is close to the one end of inner circle 2 and all passes flexible annular detection board 4 and installs on the inner ring chamber wall of annular chamber 31, and fixed screw 5 can enough firmly fix flexible annular detection board 4 in annular chamber 31, avoids it to rock and breaks down, can also provide certain supporting capacity, reduces the influence that annular chamber 31 supported intensity to outer lane 3.
The winding coil 321 is electrically connected with the rectifying and voltage stabilizing circuit 41 and the voltage acquisition circuit 42, and the electric energy generated by the winding coil 321 is rectified and stabilized by the rectifying and voltage stabilizing circuit 41 and then is supplied to the voltage acquisition circuit 42, the signal transmission circuit 43 and the processing circuit 44 for use, so that external functions are not required, namely, external circuits are not required to be arranged, the original design of the wind power generation system is not changed, and the space is not occupied;
the voltage acquisition circuit 42 acquires real-time voltage generated by the winding coil 321, and can accurately capture the voltage change state of the winding coil 321;
the processing circuit 44 processes the real-time voltage collected by the voltage collecting circuit 42 into a voltage signal, and the voltage signal is sent to the signal transceiving circuit 62 of the main controller 6 through the signal sending circuit 43;
the control circuit 63 analyzes the voltage signal received by the signal transceiver circuit 62 and transmits the voltage signal to the comparison circuit 64 to compare the real-time voltages on the detection bearings 1 at the same time, and the comparison circuit 64 transmits the comparison result to the control circuit 63;
the control circuit 63 processes the result into a parameter information signal and sends the parameter information signal to the server system 7 through the signal transceiver circuit 62, so that remote real-time monitoring and early warning and quick positioning are facilitated.
When the invention is used, the two transmission shafts rotate to enable the inner rings 2 of the four detection bearings 1 a, b, c and d to rotate, the plurality of unlike magnetic plates 211 rotate in the winding coil 321 to enable the winding coil 321 to generate electric energy, and the electric energy generated by the winding coil 321 is transmitted to the rectifying and voltage stabilizing circuit 41 for use by the rectifying and voltage stabilizing voltage supply acquisition circuit 42, the signal sending circuit 43 and the processing circuit 44;
the voltage acquisition circuit 42 of each detection bearing 1 acquires real-time voltages Va, Vb, Vc and Vd, the real-time voltages are processed into voltage signals by the processing circuit 44, and the voltage signals are transmitted to the signal transceiving circuit 62 of the main controller 6 by the signal transmitting circuit 43;
the control circuit 63 analyzes the voltage signal received by the signal transceiver circuit 62 into real-time voltages Va, Vb, Vc, Vd, and transmits the real-time voltages to the comparison circuit 64 for comparison, and the comparison circuit 64 transmits the comparison result to the control circuit 63;
the control circuit 63 processes the result into a parameter information signal and sends the parameter information signal to the server system 7 through the signal transceiver circuit 62, wherein the comparison result output by the comparison circuit 64 constantly indicates that the transmission shaft does not slip, and if the comparison result changes, a slip phenomenon occurs, and the server system 7 can quickly locate a slip position according to the parameter information.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A wind driven generator rotating shaft transmission slip detection system comprises a server system (7), a main controller (6) and a plurality of detection bearings (1) which are sequentially connected, and is characterized in that the main controller (6) comprises a power supply circuit (61), a signal receiving and transmitting circuit (62), a control circuit (63) and a comparison circuit (64), the power supply circuit (61) is respectively connected with the signal receiving and transmitting circuit (62), the control circuit (63) and the comparison circuit (64), each detection bearing (1) comprises a rectification voltage stabilizing circuit (41), a voltage acquisition circuit (42), a signal sending circuit (43) and a processing circuit (44), and the signal receiving and transmitting circuit (62) is respectively in wireless connection with the server system (7) and the plurality of signal sending circuits (43);
the detection bearing (1) used by the wind driven generator rotating shaft transmission slipping detection system comprises an inner ring (2) and an outer ring (3), the outer ring (3) is rotatably sleeved on the inner ring (2), the annular groove (21) is formed in the outer side wall of the inner ring (2), a plurality of synonym magnetic plates (211) are alternately installed on the groove bottom wall of the annular groove (21) at equal intervals, the annular iron core (32) is installed on the inner annular wall of the outer ring (3), the winding coil (321) is wound on the annular iron core (32), the annular cavity (31) is formed in the outer ring (3), the flexible annular detection plate (4) is installed in the annular cavity (31), and the rectifying and voltage stabilizing circuit (41), the voltage acquisition circuit (42), the signal sending circuit (43) and the processing circuit (44) are all installed on the flexible annular detection plate (4).
2. The wind driven generator rotating shaft transmission slip detection system according to claim 1, wherein a plurality of fixing screws (5) are annularly and threadedly mounted on the outer side wall of the outer ring (3), and one end of each fixing screw (5) close to the inner ring (2) penetrates through the flexible annular detection plate (4) and is mounted on the inner ring cavity wall of the annular cavity (31).
3. The wind driven generator rotating shaft transmission slip detection system according to claim 1, wherein the annular iron core (32) is inserted into the annular groove (21), the annular iron core (32) is not in contact with the groove wall of the annular groove (21), and the annular iron core (32) is not in contact with the plurality of unlike magnetic plates (211).
4. The wind driven generator rotating shaft transmission slip detection system according to claim 1, wherein the winding coil (321) is electrically connected with the rectifying and voltage stabilizing circuit (41) and the voltage acquisition circuit (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010862540.6A CN111963386A (en) | 2020-08-25 | 2020-08-25 | Aerogenerator pivot transmission detecting system that skids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010862540.6A CN111963386A (en) | 2020-08-25 | 2020-08-25 | Aerogenerator pivot transmission detecting system that skids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111963386A true CN111963386A (en) | 2020-11-20 |
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ID=73390221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010862540.6A Pending CN111963386A (en) | 2020-08-25 | 2020-08-25 | Aerogenerator pivot transmission detecting system that skids |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111963386A (en) |
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2020
- 2020-08-25 CN CN202010862540.6A patent/CN111963386A/en active Pending
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Application publication date: 20201120 |