CN206192513U - Special bus duct of wind -powered electricity generation trouble on -line monitoring system that generates heat - Google Patents
Special bus duct of wind -powered electricity generation trouble on -line monitoring system that generates heat Download PDFInfo
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- CN206192513U CN206192513U CN201621168657.XU CN201621168657U CN206192513U CN 206192513 U CN206192513 U CN 206192513U CN 201621168657 U CN201621168657 U CN 201621168657U CN 206192513 U CN206192513 U CN 206192513U
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Abstract
The utility model discloses a special bus duct of wind -powered electricity generation trouble on -line monitoring system that generates heat, including a plurality of non -contact collection system, tower section of thick bamboo monitoring extension and backstage surveillance center, non -contact collection system includes interconnect's bus duct infrared sensor and temperature data collection ware, and temperature data collection ware, tower section of thick bamboo monitoring extension, backstage surveillance center order in proper order connect. On bus duct infrared sensor installed the joint apron of each the sharp linkage unit in the wind -powered electricity generation bus duct, bus duct infrared sensor included 4 way non -contact digit temperature sensing probe, and busbar surface must be aimed at to 4 way non -contact digit temperature sensing probe. This scheme can be carried out real -time supervision and accomplish pinpointing and the early warning of fault location the operating condition of bus duct junction, and suitable infrared sensor has suppressed the interference of the special environment of bus duct, effectual measuring precision and the reliability of having improved, backstage surveillance center provides convenient for staff's real -time supervision, has improved monitoring efficiency.
Description
Technical field
The utility model is related to bus duct On-line Fault monitoring device technical field, particularly a kind of special bus duct for wind power
Heating accident on-line monitoring system.
Background technology
Wind-power electricity generation with its multiple resource, low cost, easily utilize the characteristics of turn into that current new energy technology is most perfect, most open
Send out the generation mode of potentiality.The expansion of installed capacity and the raising of conveying current class so that the volume of traditional power cable and
Consumption is persistently increased, and cost pressure should not be underestimated, and in view of cable core is strand copper wire, mother of its root area than same current class
Row is big, and " kelvin effect " is serious, and line loss is big, cable is restricted in terms of wind-powered electricity generation transmission.And use bus duct to pass
Transmission of electricity can, current density is big, easy for installation and reliability is high, so as to be used widely.The entire run cycle of Wind turbines
Interior, the tower moment suffer from the influence of impeller, machine overhead bin or even deadweight, and the dynamic load effect triggered in all kinds of complicated wind regime
Under, cause tower to be vibrated, the fixed screw of bus duct branching port splicing position can for a long time loosened, so as to cause contact electricity
Resistance increase, temperature is raised, and electric energy loss increases, and can make bus duct that phase mutual friction occurs what is more, and then cause insulation material feed powder
Endization, eventually burns because insulating barrier punctures, and causes equipment to be not normally functioning.
The wind power bus duct heating accident of early stage is all to inspect periodically solidification by patrol officer, and it tends not to pre- in advance
The generation of fail-safe is so as to cause huge economic loss.Intelligent on-line monitoring technique is the monitoring of wind power bus duct heating accident
The development trend of method, but at present both at home and abroad still in blank stage.Traditionally measured frequently with contact detection technology
The temperature of object, but because it must reach thermal equilibrium state with object under test, the temperature of the accurate sense object of ability is generally deposited
The problem of low and measurement delay in sensed speed, this has very big limitation for the real-time monitoring of bus duct temperature rise.
The content of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art and provide a kind of wind-powered electricity generation special mother
Wire casing heating accident on-line monitoring system, realizes the remote monitoring of bus duct heating accident, improves monitoring efficiency.
The utility model uses following technical scheme to solve above-mentioned technical problem：
According to the utility model proposes a kind of special bus duct for wind power heating accident on-line monitoring system, it is including multiple non-
Contact acquisition system, tower monitoring unit and background monitoring center, wherein, contactless acquisition system includes what is be connected with each other
Bus duct infrared sensor and Temperature sampler, Temperature sampler, tower monitoring unit, background monitoring center sequentially connect successively
Connect.
Further optimize as a kind of special bus duct for wind power heating accident on-line monitoring system described in the utility model
Scheme, the bus duct infrared sensor is arranged on the joint cover plate of each straight line connection unit in wind power bus duct, female
Wire casing infrared sensor includes 4 road non-contact digital temperature sensing probes, and 4 road non-contact digital temperature sensing probes must be right
Quasi- busbar surface, 4 road non-contact digital temperature sensing probes are connected by Shielded Twisted Pair with Temperature sampler respectively.
Further optimize as a kind of special bus duct for wind power heating accident on-line monitoring system described in the utility model
Scheme, the model MLX90614-BCC of the 4 road non-contact digital temperature sensing probe.
Further optimize as a kind of special bus duct for wind power heating accident on-line monitoring system described in the utility model
Scheme, the Temperature sampler includes first microprocessor, I2C serial communication circuits, a RS485 communication protection circuit and
PT100 ambient temperature detection circuits, wherein, I2C serial communication circuits, RS485 communications protection circuit, PT100 environment temperature
Degree detection circuit respectively with first microprocessor, I2C serial communication circuits are connected with bus duct infrared sensor, a RS485
Communication protection circuit is connected with tower monitoring unit.
Further optimize as a kind of special bus duct for wind power heating accident on-line monitoring system described in the utility model
Scheme, the Temperature sampler also includes that what is be connected with first microprocessor has ID dial-up circuits.
Further optimize as a kind of special bus duct for wind power heating accident on-line monitoring system described in the utility model
Scheme, the model MSP430F1611 of the first microprocessor.
Further optimize as a kind of special bus duct for wind power heating accident on-line monitoring system described in the utility model
Scheme, the tower monitoring unit includes the second microprocessor, the 2nd RS485 communications protection circuit, phonetic warning circuit, LED
Display warning module, wireless transport module and position indicator；Wherein, the 2nd RS485 communications protection circuit, phonetic warning electricity
Road, LED displays warning module, wireless transport module, position indicator are connected with the second microprocessor respectively, and the 2nd RS485 leads to
News protection circuit is connected with Temperature sampler, and wireless transport module is connected with background monitoring center.
Further optimize as a kind of special bus duct for wind power heating accident on-line monitoring system described in the utility model
Scheme, the tower monitoring unit also includes the power module and key press detecting circuit that are connected respectively with the second microprocessor.
Further optimize as a kind of special bus duct for wind power heating accident on-line monitoring system described in the utility model
Scheme, the power supply supply of the power module is using the AC220V used by tower intraoral illumination.
The utility model uses above technical scheme compared with prior art, with following technique effect：
（1）The utility model special bus duct for wind power heating accident on-line monitoring system, using being suitable for residing for bus duct
The non-contact digital temperature sensing probe of High Voltage field operation environment completes temperature sensing, it is suppressed that bus duct particular surroundings
Interference, effectively raise accuracy of detection and reliability, electrical isolation characteristic is good；
（2）The utility model special bus duct for wind power heating accident on-line monitoring system, supervises in Temperature sampler and tower
The communication aspect of extension set is surveyed, RS485 communication protection circuits is devised and is carried out communication networking, reduce common-mode signal in communication process
With the interference of reflected signal, it is ensured that the reliability and stability of data transfer；
（3）The utility model special bus duct for wind power heating accident on-line monitoring system, realizes bus duct heating accident
On-line monitoring and diagnosis early warning, the position of failure point that can be broken down with look-ahead both dropped so as to avoid the generation of failure
Low labour reduces economic loss again, it is ensured that the safe operation of wind power generating set.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model On-line Fault monitoring system；
Fig. 2 is the structural representation of Temperature sampler in the utility model On-line Fault monitoring system；
Fig. 3 is the structural representation of tower monitoring unit in the utility model On-line Fault monitoring system.
Reference in figure is construed to, 1- bus duct infrared sensors, 2- Temperature samplers, 3- tower monitoring units,
4- background monitorings center, 5- I2C serial communication circuits, 6- ID dial-up circuits, the RS485 communications protection circuits of 7- the, 8-
One microprocessor, 9-PT100 ambient temperature detection circuits, the RS485 communications protection circuits of 10- the 2nd, 11- phonetic warning circuits,
The microprocessors of 12- second, 13-LED display warning modules, 14- wireless transport modules, 15- position indicators, 16- power supply moulds
Block, 17- key press detecting circuits.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings：
The utility model special bus duct for wind power heating accident on-line monitoring system, as shown in figure 1, including interconnection
Bus duct infrared sensor 1 and Temperature sampler 2, Temperature sampler 2 are also associated with tower monitoring unit 3, tower monitoring unit 3
Connected with background monitoring center 4.
Bus duct infrared sensor 1 is installed on the joint cover plate of each straight line connection unit of wind power bus duct, and it includes 4
Road non-contact digital temperature sensing probe, the busbar temperature for sensing A, B, C three-phase and zero line, per road non-contact digital
Temperature sensing probe must be directed at busbar surface to improve certainty of measurement, and be connected with Temperature sampler 2 by Shielded Twisted Pair, its
Middle non-contact digital temperature sensing probe uses MLX90614-BCC, and certainty of measurement is high, scope is big, and isolation effect is good.
Temperature sampler 2 nearby be arranged on each straight line connection unit of bus duct at, beneficial to each road busbar temperature collection and
The accurate measurement of environment temperature at straight line connection unit, tower monitoring unit 3 is installed on blower fan tower barrel bottom, and being responsible for will be all straight
The monitoring information of line connection unit collect and shows and complete fault diagnosis and early warning, and tower monitoring unit can will also collect place
Data packing after reason is uploaded to background monitoring center 4, and background monitoring center 4 can realize remote control and real-time monitoring.
As shown in Fig. 2 Temperature sampler 2 includes first microprocessor 8, first microprocessor 8 is connected to I2C is serial
Telecommunication circuit 5, ID dial-ups circuit 6, RS485 communications protection circuit 7, PT100 ambient temperature detection circuits 9, I2C serially leads to
Letter circuit 5 is connected with bus duct infrared sensor 1, and RS485 communications protection circuit 7 is connected with tower monitoring unit 3.
Wherein, the main control chip in first microprocessor 8 uses MSP430F1611, and its operational reliability is high, ultralow
Power consumption.The RS485 transceivers of the first RS485 communication protection circuits 7 are ADM2483, and its isolation characteristic is good, the anti-interference energy of electromagnetism
Power is strong.
The temperature data of the output of bus duct infrared sensor 1 is connected to I by Shielded Twisted Pair2C serial communication circuits 5,
Data after treatment are ultimately delivered to first microprocessor 8, complete the collecting work of busbar temperature.Due to bus duct infrared sensor
1 includes 4 non-contact digital temperature sensing probes from device, be ensure data interaction validity, need to each from
Device carries out specific address setting, sets up multi-computer communication mechanism, and the main device of first microprocessor 8 can be completed to each by addressing
The collection of road busbar temperature.
In the design of PT100 ambient temperature detection circuits, using PT100 RTDs resistance with the rising of temperature
In this feature is at the uniform velocity increased, PT100 is flowed through by producing the constant current of 1mA, the change of resistance is converted into voltage difference
Change, then A/D sampling processings are carried out by sending into first microprocessor 8 after differential amplification, complete the detection of environment temperature.Wherein
The A/D sampling periods of first microprocessor 8 are 64 data points of every 1s samplings.The PT100 ambient temperature detection circuits 9 can
Produce the constant current of 1mA to flow through PT100, the change of resistance is converted into the change of voltage difference.
Protection circuit 7 is communicated by a RS485 after the packing of four road bus duct temperature rise data and is sent to tower monitoring unit
3, including temperature, temperature rise data and device address information；Four road bus duct temperature rise data can be by by each road busbar temperature
Make difference with the environment temperature that PT100 is measured and obtain.When data communication is carried out, tower monitoring unit 3 will connect multiple temperature
The degree slave unit of collector 2, therefore during RS485 constructing communication networks, each slave unit must have the initial ID of itself, initial ID
Setting be that, by ID dial-ups circuit 6, tower monitoring unit 3 realizes RS485 communication networks by the addressing to Temperature sampler 2
The point-to- point communication of network.
As shown in figure 3, tower monitoring unit 3 includes the second microprocessor 12, it is connected on the second microprocessor 12
2nd RS485 communications protection circuit 10, phonetic warning circuit 11, LED display warning module 13, wireless transport module 14, position
Indicator lamp 15, power module 16, key press detecting circuit 17, the 2nd RS485 communications protection circuit 10 are connected with Temperature sampler 2,
Wireless transport module 14 is connected with background monitoring center 4.
Wherein, the main control chip in the second microprocessor 12 uses STM32F407VET6, its processing capability in real time
By force, cost performance is superior, and the codec chip in phonetic warning circuit 11 uses MA2400-P2, is capable of achieving full-duplex communication,
Interface is simple, and the display screen in LED display warning modules 13 uses DMT48270T043_03WN, and it is a technical grade
Serial ports screen, strong antijamming capability, reliability are high, and wireless transport module 14 uses USR-GM3 modules, and it has transparent transmission
Function, without agreement, is simply provided and achieves that data transfer and good stability.
The power supply supply of power module 16 is using the AC220V used by tower intraoral illumination.
2nd RS485 communications protection circuit 10 is mainly responsible for receiving the Monitoring Data from each Temperature sampler 2, then send
Entering the second microprocessor 12 carries out data processing, and the highest temperature allowed with the long-term normal work of bus duct with reference to actual conditions
It is heating accident distinguishing rule to spend, and sets up the corresponding relation of node temperature rise and abort situation, is realized to heating accident particular location
Be accurately positioned and early warning.Each button in the timing-interrupt scanning key press detecting circuit 17 that second microprocessor 12 passes through 25ms
State, the function such as perform corresponding collection, send.Current each institute of Temperature sampler 2 of LED displays warning module 13 display in real time
The information data and running status for monitoring.
When fault pre-alarming is carried out, bus duct temperature rise fiducial value can utilize the busbar temperature at front and rear moment to make the difference to busbar temperature
Or each road busbar temperature is made difference and is obtained with environment temperature, when bus duct temperature rise fiducial value is more than early warning threshold values, phonetic warning
Circuit 11 can perform the audio alert of correspondence position by loudspeaker, and the screen data of LED display warning modules 13 can also be stood
Refresh, the running status of correspondence position will be changed into " early warning " from " normal ", and display backlight can constantly flash, to attract
The attention of patrol officer, position indicator 15 is mainly used in indicating the particular location of current failure, improves malfunction elimination rate, in real time
Background monitoring center 4 can be uploaded to by wireless transport module 14 after monitoring information packing.
The main task at background monitoring center 4 is that the bus duct on-line monitoring system in multiple Wind turbines towers is carried out
Real-time monitoring, as shown in Figure 1.Meanwhile, monitoring personnel can be estimated by background monitoring center 4 to bus duct running status,
And complete to the remote control of monitoring device, including the setting of temperature rise threshold value, Monitoring Data request and inquiry, Failure elimination and
The functions such as the inquiry of historical data.When the host computer real-time monitoring interface failure early warning at background monitoring center 4, monitoring personnel
Maintainer near can notifying immediately carries out failture evacuation, and the host computer with private database can be realized to prison in the past
The inquiry of data is surveyed, to be better understood by the running status and trend of bus duct, Fault Forecast Analysis is carried out, failure is reduced
Rate.
Specific embodiments described above, is entered to the purpose of this utility model, technical scheme and beneficial effect
The detailed description of one step, should be understood that and the foregoing is only specific embodiment of the present utility model, and be not used to
Limit scope of the present utility model, any those skilled in the art, before design of the present utility model and principle is not departed from
Made equivalent variations and modification are put, the scope of the utility model protection all should be belonged to.
Claims (9)
1. a kind of special bus duct for wind power heating accident on-line monitoring system, it is characterised in that including multiple contactless collections
System, tower monitoring unit and background monitoring center, wherein, contactless acquisition system includes that the bus duct being connected with each other is infrared
Sensor and Temperature sampler, Temperature sampler, tower monitoring unit, background monitoring center are linked in sequence successively.
2. a kind of special bus duct for wind power heating accident on-line monitoring system according to claim 1, it is characterised in that institute
State on the joint cover plate of each straight line connection unit of the bus duct infrared sensor in wind power bus duct, bus duct is infrared
Sensor includes 4 road non-contact digital temperature sensing probes, and 4 road non-contact digital temperature sensing probes must be directed at busbar table
Face, 4 road non-contact digital temperature sensing probes are connected by Shielded Twisted Pair with Temperature sampler respectively.
3. a kind of special bus duct for wind power heating accident on-line monitoring system according to claim 2, it is characterised in that institute
State the model MLX90614-BCC of 4 road non-contact digital temperature sensing probes.
4. a kind of special bus duct for wind power heating accident on-line monitoring system according to claim 1, it is characterised in that institute
Stating Temperature sampler includes first microprocessor, I2C serial communication circuits, a RS485 communication protection circuit and PT100 environment
Temperature sensing circuit, wherein, I2C serial communication circuits, RS485 communications protection circuit, PT100 ambient temperature detection circuits
Respectively with first microprocessor, I2C serial communication circuits are connected with bus duct infrared sensor, RS485 communication protection electricity
Road is connected with tower monitoring unit.
5. a kind of special bus duct for wind power heating accident on-line monitoring system according to claim 4, it is characterised in that institute
Stating Temperature sampler also includes that what is be connected with first microprocessor has ID dial-up circuits.
6. a kind of special bus duct for wind power heating accident on-line monitoring system according to claim 4, it is characterised in that institute
State the model MSP430F1611 of first microprocessor.
7. a kind of special bus duct for wind power heating accident on-line monitoring system according to claim 1, it is characterised in that institute
Stating tower monitoring unit includes the second microprocessor, the 2nd RS485 communications protection circuit, phonetic warning circuit, LED display early warning
Module, wireless transport module and position indicator；Wherein, the 2nd RS485 communications protection circuit, phonetic warning circuit, LED show
Warning module, wireless transport module, position indicator are connected with the second microprocessor respectively, the 2nd RS485 communication protection circuits
It is connected with Temperature sampler, wireless transport module is connected with background monitoring center.
8. a kind of special bus duct for wind power heating accident on-line monitoring system according to claim 7, it is characterised in that institute
Stating tower monitoring unit also includes the power module and key press detecting circuit that are connected respectively with the second microprocessor.
9. a kind of special bus duct for wind power heating accident on-line monitoring system according to claim 8, it is characterised in that institute
The power supply supply for stating power module is using the AC220V used by tower intraoral illumination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621168657.XU CN206192513U (en) | 2016-11-02 | 2016-11-02 | Special bus duct of wind -powered electricity generation trouble on -line monitoring system that generates heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621168657.XU CN206192513U (en) | 2016-11-02 | 2016-11-02 | Special bus duct of wind -powered electricity generation trouble on -line monitoring system that generates heat |
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| Publication Number | Publication Date |
|---|---|
| CN206192513U true CN206192513U (en) | 2017-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621168657.XU Active CN206192513U (en) | 2016-11-02 | 2016-11-02 | Special bus duct of wind -powered electricity generation trouble on -line monitoring system that generates heat |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107885639A (en) * | 2017-11-16 | 2018-04-06 | 郑州云海信息技术有限公司 | A kind of protection device and method of the structural relaxations of Busbar |
| CN110686780A (en) * | 2019-11-14 | 2020-01-14 | 镇江茗驰电气有限公司 | Online monitoring method for fire-resistant bus duct |
| CN110987206A (en) * | 2019-12-06 | 2020-04-10 | 广东华创电器设备有限公司 | Bus duct connecting cover plate temperature rise early warning display device |
| CN113049110A (en) * | 2021-03-15 | 2021-06-29 | 镇江市产品质量监督检验中心 | Bus duct temperature rise detection system based on hybrid space temperature field division reconstruction |
| CN117309151A (en) * | 2023-10-09 | 2023-12-29 | 镇江加勒智慧电力科技股份有限公司 | Overheat fault early warning system and method for dense insulating bus duct |
| CN117496133A (en) * | 2024-01-03 | 2024-02-02 | 山东工商学院 | Closed bus R-CNN temperature fault monitoring method based on multi-mode data |
-
2016
- 2016-11-02 CN CN201621168657.XU patent/CN206192513U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107885639A (en) * | 2017-11-16 | 2018-04-06 | 郑州云海信息技术有限公司 | A kind of protection device and method of the structural relaxations of Busbar |
| CN110686780A (en) * | 2019-11-14 | 2020-01-14 | 镇江茗驰电气有限公司 | Online monitoring method for fire-resistant bus duct |
| CN110987206A (en) * | 2019-12-06 | 2020-04-10 | 广东华创电器设备有限公司 | Bus duct connecting cover plate temperature rise early warning display device |
| CN113049110A (en) * | 2021-03-15 | 2021-06-29 | 镇江市产品质量监督检验中心 | Bus duct temperature rise detection system based on hybrid space temperature field division reconstruction |
| CN117309151A (en) * | 2023-10-09 | 2023-12-29 | 镇江加勒智慧电力科技股份有限公司 | Overheat fault early warning system and method for dense insulating bus duct |
| CN117496133A (en) * | 2024-01-03 | 2024-02-02 | 山东工商学院 | Closed bus R-CNN temperature fault monitoring method based on multi-mode data |
| CN117496133B (en) * | 2024-01-03 | 2024-03-22 | 山东工商学院 | Closed bus R-CNN temperature fault monitoring method based on multi-mode data |
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