CN211448905U - Detection device for part falling in hub of wind generating set - Google Patents
Detection device for part falling in hub of wind generating set Download PDFInfo
- Publication number
- CN211448905U CN211448905U CN201922226058.9U CN201922226058U CN211448905U CN 211448905 U CN211448905 U CN 211448905U CN 201922226058 U CN201922226058 U CN 201922226058U CN 211448905 U CN211448905 U CN 211448905U
- Authority
- CN
- China
- Prior art keywords
- pin
- permanent magnet
- single chip
- chip microcomputer
- hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 239000013307 optical fiber Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 42
- 229910052742 iron Inorganic materials 0.000 claims description 21
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model relates to a detection device that parts drop in wind generating set wheel hub belongs to the power generating equipment field, and device monitoring method includes: when parts fall off in the hub, the double permanent magnet chains are triggered; the signal acquisition and transmission unit positioned in the hub receives signals sent by the double permanent magnet chains and sends instructions, and the instructions are transmitted to the signal receiving unit positioned in the cabin control cabinet through wireless signals; the signal receiving unit is connected with a reserved wiring terminal of the cabin control cabinet, transmits the instruction to the tower footing control cabinet through an optical cable, and transmits the instruction to the centralized control center through an optical fiber. The utility model relates to a detection device that parts drop in wind generating set wheel hub detects the rate of accuracy height, simple structure, and the energy consumption is low, and investment cost is low, has the significance to promoting the intelligent development of wind-powered electricity generation fortune dimension industry.
Description
Technical Field
The utility model belongs to the technical field of power generation equipment, especially, relate to a detection device that parts drop in wind generating set wheel hub.
Background
With the emergence of fossil energy crisis and the increasing severity of environmental pollution in recent years, the development and utilization of clean energy are greatly supported by governments, and especially wind power generation becomes an important component of national energy strategy and energy structure adjustment, so that the installed capacity is stable in the world first, and the development of the wind power operation and maintenance industrial chain is more and more advanced.
After the scale of wind power is explosively increased, the fault layer of the wind turbine generator is infinite and has many points, especially, the hidden fault cannot be effectively treated, and the passive overhaul is very prominent. The wind turbine is because of long-time operation, vibrations, takes place the part (like screw, bolt, nut) easily and drops, receives that the wheel hub space is narrow and small, be difficult to the business turn over during daily patrolling and examining, and has other equipment to shelter from, even there is the part to drop also hardly by the inspector discovery, the unit will have serious potential safety hazard. More seriously, the fallen part can collide with other equipment such as a pitch system and the like along with the rotation of the hub, so that other equipment is injured by smashing or secondary disasters caused by short circuit and fire are caused, and even the pitch system can not be normally retracted to cause tower collapse accidents, so that the direct economic loss can reach thousands of yuan. At present, the wind power operation and maintenance industry does not find relevant equipment for effectively controlling the falling detection of parts in the hub, equipment conditions in the hub are still patrolled by manpower by climbing a tower, a large amount of physical power is consumed, and the patrolling efficiency is very low.
Therefore, the development of a device for detecting the falling of parts in the hub of the wind generating set, which has the advantages of simple structure, strong operability and low cost, is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the special operating mode of the great potential safety hazard that the part drops production and wheel hub rotary motion in the wind generating set wheel hub, provide a simple structure, maneuverability is strong and with low costs wind generating set wheel hub interior part detection device that drops.
The utility model adopts the technical scheme that:
the utility model provides a part detection device that drops in wind generating set wheel hub, includes: the device comprises a signal acquisition and transmission unit and a signal receiving unit, wherein the signal acquisition and transmission unit is positioned in a hub and consists of a double permanent magnet chain, an STC51 single chip microcomputer, an nRF24L01 transmitter and a battery; the signal receiving unit is located in the cabin and consists of an nRF24L01 receiver, an STC51 single chip microcomputer and a battery.
The double permanent magnet chains are two identical permanent magnet chains, are arranged in parallel and fixed on the inner wall of the hub, and have a distance of 3 mm; the permanent magnet chain is uniformly and tightly wound on the surface of the permanent magnet by a thin iron wire; the permanent magnet is an arc cuboid, a chord line is perpendicular to the rotating surface of the impeller, the arc length is 1000 mm, the length of the cross section is 4 mm, and the width is 3 mm.
The circuit connection of the acquisition and transmission unit is as follows: a pin A and a pin B of the STC51 singlechip are respectively connected with a permanent magnet surface thin iron wire, and a pin C is connected with a signal input end of an nRF24L01 emitter; the battery is connected with the STC51 single chip microcomputer and a power interface of the nRF24L01 transmitter.
The signal receiving unit circuit connection is as follows: the signal output end of the nRF24L01 receiver is connected with a pin D of the STC51 single-chip microcomputer, and a pin E is connected with the cabin control cabinet; the battery is connected with the nRF24L01 receiver and the power interface of the STC51 singlechip.
Further, the nRF24L01 is a wireless signal transceiver that can be adjusted to a signal transmitting mode and a signal receiving mode, respectively.
The utility model discloses following beneficial effect has to prior art:
1. the wheel hub falling detection device has the advantages that the wheel hub falling phenomenon can be effectively detected, a patrol inspector does not need to climb a tower to patrol the wheel hub falling condition, the centralized control center operates a duty worker to complete the work, a large amount of physical power is saved, and meanwhile, the working efficiency is greatly improved.
2. The permanent magnet has powerful appeal to ferromagnetic material, and the part that drops in to wheel hub detects the rate of accuracy height, can avoid patrolling and examining the personnel and receive the narrow and small part of neglecting the volume of wheel hub space and equipment shelter from the influence.
3. Signals in the hub are transmitted to the cabin control cabinet through wireless transmission, the phenomenon that the signals in the hub occupy a slip ring channel to be transmitted outwards is avoided, and circuit connection is simplified.
4. Simple structure, strong operability, low energy consumption and low investment cost.
Drawings
FIG. 1 is a schematic diagram of an electrical circuit within a wheel hub;
FIG. 2 is a schematic diagram of circuitry within the cabin control cabinet;
FIG. 3 is a detection schematic diagram of a part falling detection device in a hub of a wind generating set;
in the figure, 1 is a double permanent magnet chain, 1.1 and 1.2 are permanent magnet chains, 1.1-1 is a thin iron wire, 1.1-2 is a permanent magnet, 1.2-1 is a thin iron wire, 1.2-2 is a permanent magnet, 2 and 6 are STC51 singlechips, 2.1 is pin a, 2.2 is pin B, 2.3 is pin C, 6.1 is pin D, 6.2 is pin E,3 and 5 are nRF24L01,3.1 is a signal input, 3.2 is a signal output, 5.1 is a signal input, 5.2 is a signal output, 4 and 7 are batteries.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a part detection device that drops in wind generating set wheel hub, includes: the device comprises a signal acquisition and transmission unit and a signal receiving unit, wherein the signal acquisition and transmission unit is positioned in a hub and consists of a double permanent magnet chain 1, an STC51 single chip microcomputer 2, an nRF24L01 transmitter 3 and a battery 4; the signal receiving unit is located in the cabin and consists of an nRF24L01 receiver 5, an STC51 single-chip microcomputer 6 and a battery 7.
The double permanent magnet chains 1 are two identical permanent magnet chains 1.1 and 1.2 which are arranged in parallel and fixed on the inner wall of the hub, and the distance is 3 mm; the permanent magnet chain 1.1 is uniformly and tightly wound on the surface of the permanent magnet 1.1-2 by a thin iron wire 1.1-1; the permanent magnets 1.1-2 are arc cuboids, the chord line is perpendicular to the rotating surface of the impeller, the arc length is 1000 mm, the length of the section is 4 mm, and the width is 3 mm.
The circuit connection of the acquisition and transmission unit is as follows: a pin A2.1 of the STC51 singlechip 2 is connected with a thin iron wire 1.1-1, a pin B2.2 is connected with a thin iron wire 1.2-1, and a pin C2.3 is connected with a signal input end 3.1 of an nRF24L01 emitter 3; the battery 4 is connected with the STC51 singlechip 2 and a power interface of the nRF24L01 emitter 3.
The signal receiving unit circuit connection is as follows: a signal output end 5.2 of the nRF24L01 receiver 5 is connected with a pin D6.1 of the STC51 single-chip microcomputer 6, and a pin E6.2 is connected with the cabin control cabinet; the battery 7 is connected with the nRF24L01 receiver 5 and the power interface of the STC51 singlechip 6.
The second embodiment: the double permanent magnet chains are two identical permanent magnet chains, are arranged in parallel and fixed on the inner wall of the hub, and have a distance of 3 mm; the permanent magnet chain is uniformly and tightly wound on the surface of the permanent magnet by a thin iron wire; the permanent magnet is an arc cuboid, a chord line is perpendicular to the rotating surface of the impeller, the arc length is 1000 mm, the length of the cross section is 4 mm, and the width is 3 mm. So set up, will roll to wheel hub arc top after the part drops in the wheel hub, must touch the permanent magnet chain, and the part is firmly adsorbed because of magnetism to the permanent magnet chain, owing to set up the interval of two parallel permanent magnet chains and be 3 millimeters, then the part will connect the thin iron wire of two permanent magnet chains simultaneously.
The third embodiment is as follows: a pin A2.1 of the STC51 singlechip 2 is connected with a thin iron wire 1.1-1, a pin B2.2 is connected with a thin iron wire 1.2-1, and a pin C2.3 is connected with a signal input end 3.1 of an nRF24L01 emitter 3; according to the arrangement, the pin A is set to be at a high level, and the pin B is set to be at an initial state of zero; under the condition that no part is adsorbed by the permanent magnet chain, the pin A and the pin B are not contacted with each other and keep the respective states unchanged; under the condition that parts are adsorbed by the permanent magnet chains, the pin A and the pin B are conducted through thin iron wires of the two permanent magnet chains, at the moment, the high level of the pin A is conducted to the pin B through the thin iron wires, the potential of the pin B is detected to be the high level, at the moment, a command that the pin B is changed from a zero state to the high level is given to the pin C, and the nRF24L01 emitter sends a set signal through the signal output end 3.2. This phase is the signal acquisition and transmission phase.
The fourth embodiment: a signal output end 5.2 of the nRF24L01 receiver 5 is connected with a pin D6.1 of the STC51 single-chip microcomputer 6, and a pin E6.2 is connected with the cabin control cabinet; according to the arrangement, after the signal input end 5.1 receives the instruction sent by the signal output end 3.2, the instruction is transmitted to the STC51 single chip microcomputer 6 through the signal output end 5.2, then the instruction of the permanent magnet chain existence part is transmitted to the reserved wiring terminal of the cabin control cabinet through the pin D of the STC51 single chip microcomputer 6, the instruction is transmitted to the tower footing control cabinet through the optical cable, the instruction is transmitted to the centralized control center through the optical fiber, and the centralized control center runs an attendant to obtain the information of the permanent magnet chain existence part from the display. This stage is the signal reception stage.
The fifth embodiment: the utility model provides a part detection device that drops in wind generating set wheel hub, includes: the device comprises a signal acquisition and transmission unit and a signal receiving unit, wherein the signal receiving unit receives an electric signal transmitted by the signal acquisition and transmission unit, the signal acquisition and transmission unit is positioned in a hub and consists of a double-permanent-magnet chain 1, a first single chip microcomputer 2, a transmitter 3 and a first power module 4, the double-permanent-magnet chain 1 is connected with the first single chip microcomputer 2 through a pin of the first single chip microcomputer 2, the first single chip microcomputer 2 is connected with the transmitter 3, the first power module 4 is connected with the first single chip microcomputer 2 and the transmitter 3, and the transmitter 3 transmits the electric signal to the signal receiving unit; the signal receiving unit is located in the cabin and comprises a receiver 5, a second single chip microcomputer 6 and a second power module 7, the receiver 5 receives signals sent by the signal collecting and transmitting unit, the receiver 5 is connected with the second single chip microcomputer 6, and the second power module 7 is connected with the second single chip microcomputer 6 and the receiver 5 at the same time.
The double permanent magnet chains 1 are a first permanent magnet chain 1.1 and a second permanent magnet chain 1.2 which are completely the same, and the first permanent magnet chain 1.1 and the second permanent magnet chain 1.2 are arranged in parallel and fixed on the inner wall of the hub; the first permanent magnet chain 1.1 and the second permanent magnet chain 1.2 are uniformly and tightly wound on the surfaces of the first permanent magnet 1.1-2 and the second permanent magnet 1.2-2 by a first thin iron wire 1.1-1 and a second thin iron wire 1.2-1; the first permanent magnet 1.1-2 and the second permanent magnet 1.2-2 are arc cuboids, and chord lines of the first permanent magnet and the second permanent magnet are vertical to the rotating surface of the impeller.
The first single chip microcomputer 2 and the second single chip microcomputer 6 are STC51 single chip microcomputers, the first single chip microcomputer 2 is provided with a pin A2.1, a pin B2.2 and a pin C2.3, the pin A2.1 and the pin B2.2 are connected with the double permanent magnet chain 1, and the pin C2.3 is connected with the emitter 3; the second single chip microcomputer 6 is provided with a pin D6.1 and a pin E6.2, the pin D6.1 is connected with the receiver 5, the pin E6.2 is connected with the cabin control cabinet, the cabin control cabinet is connected with the tower footing control cabinet through an optical cable, and the tower footing control cabinet transmits signal information to the centralized control center through optical fiber transmission.
The transmitter 3 and the receiver 5 are both nRF24L01 transceivers, and the nRF24L01 transceivers are adjustable to a signal transmission mode and a signal reception mode, respectively.
The first power module 4 and the second power module 7 are batteries, the battery signal acquisition and transmission unit is connected with the power interfaces of the first single chip microcomputer 2 and the transmitter 3, and the battery signal reception unit is connected with the power interfaces of the receiver 5 and the second single chip microcomputer 6.
The circuit connection of the acquisition and transmission unit is as follows: a pin A2.1 of the first singlechip 2 is connected with a first thin iron wire 1.1-1, a pin B2.2 is connected with a second thin iron wire 1.2-1, and a pin C2.3 is connected with a signal input end of the emitter 3; the battery is connected with the power interfaces of the first singlechip 2 and the emitter 3.
The signal receiving unit circuit connection is as follows: the signal output end of the receiver 5 is connected with a pin D6.1 of the second single chip microcomputer 6, and a pin E6.2 of the second single chip microcomputer 6 is connected with the cabin control cabinet.
This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can also make modifications to its layout without departing from the spirit of the patent.
Claims (7)
1. The utility model provides a part detection device that drops in wind generating set wheel hub which characterized in that: the method comprises the following steps: the wheel hub comprises a signal acquisition and transmission unit and a signal receiving unit, wherein the signal receiving unit receives an electric signal transmitted by the signal acquisition and transmission unit, the signal acquisition and transmission unit is positioned in the wheel hub and consists of a double-permanent-magnet chain (1), a first single chip microcomputer (2), a transmitter (3) and a first power module (4), the double-permanent-magnet chain (1) is connected with the first single chip microcomputer (2) through a pin of the first single chip microcomputer (2), the first single chip microcomputer (2) is connected with the transmitter (3), the first power module (4) is connected with the first single chip microcomputer (2) and the transmitter (3), and the transmitter (3) transmits the electric signal to the signal receiving unit; the signal receiving unit is located in the engine room and consists of a receiver (5), a second single chip microcomputer (6) and a second power module (7), the receiver (5) receives signals sent by the signal acquisition and transmission unit, the receiver (5) is connected with the second single chip microcomputer (6), and the second power module (7) is connected with the second single chip microcomputer (6) and the receiver (5) simultaneously.
2. The device for detecting the falling of the parts in the hub of the wind generating set according to claim 1, wherein the double permanent magnet chains (1) are a first permanent magnet chain (1.1) and a second permanent magnet chain (1.2) which are identical, and the first permanent magnet chain (1.1) and the second permanent magnet chain (1.2) are arranged in parallel and fixed on the inner wall of the hub; the first permanent magnet chain (1.1) and the second permanent magnet chain (1.2) are uniformly and tightly wound on the surfaces of the first permanent magnet (1.1-2) and the second permanent magnet (1.2-2) through a first thin iron wire (1.1-1) and a second thin iron wire (1.2-1); the first permanent magnet (1.1-2) and the second permanent magnet (1.2-2) are arc cuboids, and chord lines of the first permanent magnet and the second permanent magnet are perpendicular to the rotating surface of the impeller.
3. The device for detecting the falling of the parts in the hub of the wind generating set according to claim 2, wherein the first single chip microcomputer (2) and the second single chip microcomputer (6) are STC51 single chip microcomputers, the first single chip microcomputer (2) is provided with a pin A (2.1), a pin B (2.2) and a pin C (2.3), the pin A (2.1) and the pin B (2.2) are connected with the double permanent magnet chain (1), and the pin C (2.3) is connected with the emitter (3); the second single chip microcomputer (6) is provided with a pin D (6.1) and a pin E (6.2), the pin D (6.1) is connected with the receiver (5), the pin E (6.2) is connected with the cabin control cabinet, the cabin control cabinet is connected with the tower footing control cabinet through an optical cable, and the tower footing control cabinet transmits signal information to the centralized control center through optical fiber transmission.
4. The device for detecting the falling of parts in the hub of a wind generating set according to claim 3, wherein the transmitter (3) and the receiver (5) are both nRF24L01 transceivers, and the nRF24L01 transceivers are respectively adjustable in a signal transmitting mode and a signal receiving mode.
5. The device for detecting the falling of the parts in the hub of the wind generating set according to claim 1, wherein the first power module (4) and the second power module (7) are batteries, the batteries are connected with power interfaces of the first single chip microcomputer (2) and the transmitter (3) at a signal acquisition and transmission unit, and the batteries are connected with power interfaces of the receiver (5) and the second single chip microcomputer (6) at a signal receiving unit.
6. The device for detecting the falling of the parts in the hub of the wind generating set according to claim 2, wherein the circuit connection of the collecting and transmitting unit is as follows: a pin A (2.1) of the first single chip microcomputer (2) is connected with a first thin iron wire (1.1-1), a pin B (2.2) is connected with a second thin iron wire (1.2-1), and a pin C (2.3) is connected with a signal input end of the emitter (3); the battery is connected with the first singlechip (2) and the power interface of the emitter (3).
7. The device for detecting the falling of the parts in the hub of the wind generating set according to claim 4, wherein the signal receiving unit is connected with a circuit by the following components: the signal output end of the receiver (5) is connected with a pin D (6.1) of the second single chip microcomputer (6), and a pin E (6.2) of the second single chip microcomputer (6) is connected with the cabin control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226058.9U CN211448905U (en) | 2019-12-12 | 2019-12-12 | Detection device for part falling in hub of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226058.9U CN211448905U (en) | 2019-12-12 | 2019-12-12 | Detection device for part falling in hub of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211448905U true CN211448905U (en) | 2020-09-08 |
Family
ID=72300690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922226058.9U Active CN211448905U (en) | 2019-12-12 | 2019-12-12 | Detection device for part falling in hub of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211448905U (en) |
-
2019
- 2019-12-12 CN CN201922226058.9U patent/CN211448905U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202956104U (en) | Electricity transmission line pole tower inclination monitoring system | |
| CN202814349U (en) | System for on-line monitoring of sag of overhead transmission line | |
| CN113091888A (en) | Self-powered vibration monitoring system for power transmission line | |
| CN203798960U (en) | Overhead line remote transmission communication monitoring system | |
| CN211448905U (en) | Detection device for part falling in hub of wind generating set | |
| CN117949721A (en) | Combined coil type wireless current sensor for intelligent fuse | |
| CN201673232U (en) | High voltage transmission line intelligent monitoring terminal | |
| CN204166652U (en) | Overhead transmission line region construction shockproof alarm system | |
| CN202058273U (en) | Railway construction intelligent protective device | |
| CN201430550Y (en) | Solar energy current converging equipment | |
| CN204331438U (en) | A kind of offshore wind farm set remote monitoring system | |
| CN201017462Y (en) | Lightning arrestor movement counting telemetering device | |
| CN203630939U (en) | Remote monitoring system for wind power station based on GPRS (General Packet Radio Service) network | |
| CN202975785U (en) | Integrated-type substation wireless anti-condensation control device | |
| CN211740580U (en) | Positioning and monitoring device for looseness fault of bolt of power transmission tower | |
| CN209055568U (en) | A kind of new test DC power supply | |
| CN206135433U (en) | Get electric installation based on exchange insulating ground wire of overhead transmission line | |
| CN218882437U (en) | Bolt monitoring system | |
| CN217467064U (en) | Ultrahigh frequency partial discharge and fault distance measuring device for cable joint of current collecting line of wind power plant | |
| CN212572190U (en) | Collection system and intelligent substation | |
| CN205610510U (en) | Wind power generation device | |
| CN213457199U (en) | Current sampling overhead distribution line fault positioning system | |
| CN216524116U (en) | Wind-powered electricity generation field current collection circuit monitoring system | |
| CN213091785U (en) | Self-propelled transmission line fault detection device | |
| CN212410573U (en) | Water quality monitoring module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200903 Address after: 050000 Room 206, Huashi Hotel, 52 Hongqi Street, Qiaoxi District, Shijiazhuang City, Hebei Province Patentee after: Hebei Branch of Huaneng new energy Co.,Ltd. Address before: 050000 Room 206, Huashi Hotel, 52 Hongqi Street, Qiaoxi District, Shijiazhuang City, Hebei Province Patentee before: Wang Naizhe |