CN210033721U - Intelligent counting device for lightning stroke times of blades of horizontal-axis wind driven generator - Google Patents
Intelligent counting device for lightning stroke times of blades of horizontal-axis wind driven generator Download PDFInfo
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- CN210033721U CN210033721U CN201920456545.1U CN201920456545U CN210033721U CN 210033721 U CN210033721 U CN 210033721U CN 201920456545 U CN201920456545 U CN 201920456545U CN 210033721 U CN210033721 U CN 210033721U
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Abstract
The utility model belongs to the technical field of wind power generation and discloses an intelligent counting device for lightning stroke times of blades of a horizontal axis wind driven generator, wherein when first blades, second blades and third blades receive lightning strokes, first lightning protection downleads, second lightning protection downleads and third lightning protection downleads respectively transmit current to corresponding current sensors, and the current sensors transmit signals to lightning counters; the lightning current calculator is used for receiving lightning current signals of the current sensor, completing calculation, displaying the lightning current signals on the body display and uploading the lightning current signals to the PLC standby interface of the variable pitch control cabinet; the standby interface of the variable pitch control cabinet PLC is used for receiving the counting signal and uploading the signal to the master control PLC of the blade variable pitch cabin cabinet; and the master control PLC of the blade pitch changing cabin cabinet transmits related data to the fan control background and the central control room SCADA.
Description
Technical Field
The utility model particularly relates to a horizontal axis aerogenerator blade thunderbolt number of times intelligence statistics device belongs to wind power generation technical field.
Background
At present, the fan blade is adopted for lightning triggering domestically, lightning current passes through the blade body and then passes through the lightning conductor to reach the fan hub, then passes through the tower barrel to lead the lightning current into the ground, and only a lightning current recording card is used for recording the lightning current at present, so that professional equipment is needed for reading. Therefore, there are the following drawbacks:
1. the checking records can be checked only after the checking records climb to the hub of the fan engine room, and the maintenance workload and the risk coefficient of the wind power plant are increased.
2. The potential safety hazard existing after the lightning strike on the blade cannot be accurately and pertinently checked.
3. The number of lightning strokes of the wind turbine of the wind power plant in the whole year can not be counted, and the technology is a technical blank in the industry.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide horizontal axis aerogenerator blade thunderbolt number of times intelligence statistics device, can be at any time through the thunderbolt number of times of each blade of each fan of long-range viewing wind-powered electricity generation field, reduce fan maintenance work and down time, improve the fan reliability, can have corresponding accurate developing the blade inspection after the thunderbolt is crossed simultaneously, maintain and overhaul work, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a horizontal axis aerogenerator blade thunderbolt number of times intelligence statistics device, include:
the lightning protection device comprises a hub disc with a circular structure, wherein the outer circumference of the hub disc is evenly divided into three mounting areas, the three mounting areas are respectively used for mounting a first blade, a second blade and a third blade, the inner sides of the first blade, the second blade and the third blade are respectively fixed with a first lightning protection downlead, a second lightning protection downlead and a third lightning protection downlead, and one ends of the first lightning protection downlead, the second lightning protection downlead and the third lightning protection downlead penetrate through the hub disc and extend into the hub disc;
the mounting cavity is arranged inside the hub plate;
the lightning protection device comprises a blade pitch-variable cabin cabinet, a first lightning protection down lead, a second lightning protection down lead and a third lightning protection down lead, wherein the blade pitch-variable cabin cabinet is arranged in an installation cavity and is provided with three blades, the first blade, the second blade and the third blade respectively correspond to the three blade pitch-variable cabin cabinets, a lightning counter used for calculating lightning stroke times and a current sensor used for sensing lightning current when lightning stroke is received are arranged in each blade pitch-variable cabin cabinet, signals are transmitted to the lightning counter, the current sensor is electrically connected with the lightning counter, and the first lightning protection down lead, the second lightning protection down lead and the third lightning protection down lead are respectively connected with the current sensors in the blade pitch-variable cabin cabinets corresponding to the first blade, the second blade and the third blade in series;
the lightning counter is introduced by a signal of the current sensor, a calculation signal of the lightning counter is transmitted to a standby interface of a blade pitch changing cabin cabinet PLC through a cable, and a reading is transmitted to a fan cabin main control module by the blade pitch changing cabin cabinet PLC;
the fan cabin main control module uploads data to a fan main control and wind farm booster station fan SCADA system through main control communication, and an operator on duty can check lightning stroke times of each blade of each fan through the SCADA control system at any time and complete relevant statistics.
As an optimal technical scheme of the utility model, the required voltage of thunder and lightning counter is the 220V alternating current to the blade change oar cabin cabinet that corresponds with first blade, second blade and third blade provides respectively.
The utility model discloses the beneficial effect who reaches is: when the first blade, the second blade and the third blade receive lightning stroke, the first lightning protection down conductor, the second lightning protection down conductor and the third lightning protection down conductor respectively transmit current to corresponding current sensors, and the current sensors transmit signals to lightning counters;
and the lightning current calculator is used for receiving lightning current signals of the current sensor, completing calculation, displaying the signals on the body display and uploading the signals to the PLC standby interface of the pitch control cabinet.
The standby interface of the variable pitch control cabinet PLC is used for receiving the counting signal and uploading the signal to the master control PLC of the blade variable pitch cabin cabinet; and the master control PLC of the blade pitch changing cabin cabinet transmits related data to the fan control background and the central control room SCADA.
The utility model discloses the device only needs on the original basis of fan, increases hardware such as current sensor, thunderbolt counter, cable and can realize long-range thunderbolt tally function.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and 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 and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of an intelligent counting device for the number of lightning strikes of a blade of a horizontal axis wind turbine according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of an intelligent statistical device for lightning stroke times of blades of a horizontal axis wind turbine according to an embodiment of the present invention;
reference numbers in the figures: 1. a first lightning down conductor; 2. a second lightning down conductor; 3. a third lightning protection downlead; 4. a lightning counter; 5. a current sensor; 6. a blade pitch nacelle; 7. a first blade; 8. a second blade; 9. a third blade; 10. a fan engine room main control module; 11. a wind power plant booster station fan SCADA system; 12. a hub plate; 13. and (7) installing a cavity.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): referring to fig. 1-2, the utility model discloses horizontal axis wind turbine blade thunderbolt number of times intelligence statistics device includes:
the lightning protection structure comprises a hub disc 12 with a circular structure, wherein the outer circumference of the hub disc 12 is evenly divided into three mounting areas, the three mounting areas are used for mounting a first blade 7, a second blade 8 and a third blade 9 respectively, the inner sides of the first blade 7, the second blade 8 and the third blade 9 are fixedly provided with a first lightning protection downlead 1, a second lightning protection downlead 2 and a third lightning protection downlead 3 respectively, and one ends of the first lightning protection downlead 1, the second lightning protection downlead 2 and the third lightning protection downlead 3 penetrate through the hub disc 12 and extend into the hub disc 12;
the mounting cavity 13 is arranged inside the hub disc 12;
the lightning protection device comprises a blade pitch-variable engine cabin cabinet 6, the blade pitch-variable engine cabin cabinet 6 is arranged in an installation cavity 13, the number of the blade pitch-variable engine cabin cabinets 6 is three, a first blade 7, a second blade 8 and a third blade 9 respectively correspond to the three blade pitch-variable engine cabin cabinets 6, a lightning counter 4 used for calculating lightning stroke times and a current sensor 5 used for sensing lightning current when lightning stroke is received are arranged inside each blade pitch-variable engine cabin cabinet 6, signals are transmitted to the lightning counter 4, the current sensor 5 is electrically connected with the lightning counter 4, and a first lightning protection down lead 1, a second lightning protection down lead 2 and a third lightning protection down lead 3 are respectively connected with the current sensor 5 inside the blade pitch-variable engine cabin cabinets 6 corresponding to the first blade 7, the second blade 8 and the third blade 9 in series;
the lightning counter 4 is introduced by a signal of the current sensor 5, a calculation signal of the lightning counter 4 is transmitted to a standby interface of a blade pitch changing machine cabin cabinet 6PLC through a cable, and the reading is transmitted to a fan cabin main control module 10 by the blade pitch changing machine cabin cabinet 6 PLC;
the fan cabin main control module 10 uploads data to the fan main control and wind farm booster station fan SCADA system 11 through main control communication, and an operator on duty can check lightning stroke times of each blade of each fan through the SCADA control system at any time and complete relevant statistics.
Further, the voltage required by the lightning counter 4 is 220V alternating current and is provided by blade pitch cabin cabinets 6 corresponding to the first blade 7, the second blade 8 and the third blade 9 respectively.
According to the working principle, when the first blade, the second blade and the third blade receive lightning stroke, the first lightning protection down conductor, the second lightning protection down conductor and the third lightning protection down conductor respectively transmit current to corresponding current sensors, and the current sensors transmit signals to lightning counters;
and the lightning current calculator is used for receiving lightning current signals of the current sensor, completing calculation, displaying the signals on the body display and uploading the signals to the PLC standby interface of the pitch control cabinet.
The standby interface of the variable pitch control cabinet PLC is used for receiving the counting signal and uploading the signal to the master control PLC of the blade variable pitch cabin cabinet; and the master control PLC of the blade pitch changing cabin cabinet transmits related data to the fan control background and the central control room SCADA.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. Horizontal axis aerogenerator blade thunderbolt number of times intelligence statistics device, its characterized in that: the method comprises the following steps:
the lightning protection device comprises a hub disc (12) with a circular structure, wherein the outer circumference of the hub disc (12) is evenly divided into three mounting areas, the three mounting areas are used for mounting a first blade (7), a second blade (8) and a third blade (9) respectively, the inner sides of the first blade (7), the second blade (8) and the third blade (9) are fixedly provided with a first lightning protection downlead (1), a second lightning protection downlead (2) and a third lightning protection downlead (3) respectively, and one ends of the first lightning protection downlead (1), the second lightning protection downlead (2) and the third lightning protection downlead (3) penetrate through the hub disc (12) and extend into the hub disc (12);
a mounting cavity (13), the mounting cavity (13) being disposed inside the hub plate (12);
a blade pitch nacelle cabinet (6), the blade pitch nacelle cabinet (6) being arranged in the mounting cavity (13), three blade pitch-variable cabin cabinets (6) are arranged, the first blade (7), the second blade (8) and the third blade (9) respectively correspond to the three blade pitch-variable cabin cabinets (6), a lightning counter (4) used for calculating lightning stroke times and lightning current induction when lightning stroke is received are arranged inside each blade pitch-variable cabin cabinet (6), and transmits the signal to a current sensor (5) of the lightning counter (4), the current sensor (5) is electrically connected with the lightning counter (4), and the first lightning protection down lead (1), the second lightning protection down lead (2) and the third lightning protection down lead (3) are respectively connected with the current sensor (5) inside the blade pitch-changing cabin cabinet (6) corresponding to the first blade (7), the second blade (8) and the third blade (9) in series;
the lightning counter (4) is introduced by a signal of the current sensor (5), a calculation signal of the lightning counter (4) is transmitted to a PLC standby interface of the blade pitch variation cabin cabinet (6) through a cable, and the PLC of the blade pitch variation cabin cabinet (6) transmits a reading to the fan cabin main control module (10);
the fan cabin main control module (10) uploads data to a fan main control and wind farm booster station fan SCADA system (11) through main control communication.
2. The intelligent counting device for the lightning stroke times of the blades of the horizontal-axis wind driven generator according to claim 1, characterized in that: the voltage required by the lightning counter (4) is 220V alternating current and is respectively provided by blade pitch control cabin cabinets (6) corresponding to the first blade (7), the second blade (8) and the third blade (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920456545.1U CN210033721U (en) | 2019-04-07 | 2019-04-07 | Intelligent counting device for lightning stroke times of blades of horizontal-axis wind driven generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920456545.1U CN210033721U (en) | 2019-04-07 | 2019-04-07 | Intelligent counting device for lightning stroke times of blades of horizontal-axis wind driven generator |
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| CN210033721U true CN210033721U (en) | 2020-02-07 |
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| CN201920456545.1U Active CN210033721U (en) | 2019-04-07 | 2019-04-07 | Intelligent counting device for lightning stroke times of blades of horizontal-axis wind driven generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727710A (en) * | 2020-12-15 | 2021-04-30 | 北京天泽智云科技有限公司 | Wind field thunderbolt density statistical method and system based on audio signals |
| CN114660506A (en) * | 2022-05-25 | 2022-06-24 | 武汉三相新能源科技有限公司 | Lightning conductor monitoring method, device, equipment and readable storage medium |
-
2019
- 2019-04-07 CN CN201920456545.1U patent/CN210033721U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727710A (en) * | 2020-12-15 | 2021-04-30 | 北京天泽智云科技有限公司 | Wind field thunderbolt density statistical method and system based on audio signals |
| CN112727710B (en) * | 2020-12-15 | 2022-02-11 | 北京天泽智云科技有限公司 | Wind field thunderbolt density statistical method and system based on audio signals |
| CN114660506A (en) * | 2022-05-25 | 2022-06-24 | 武汉三相新能源科技有限公司 | Lightning conductor monitoring method, device, equipment and readable storage medium |
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