CN103995527B - Wind-driven generator group wheel box temperature collecting device - Google Patents
Wind-driven generator group wheel box temperature collecting device Download PDFInfo
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- CN103995527B CN103995527B CN201410196672.4A CN201410196672A CN103995527B CN 103995527 B CN103995527 B CN 103995527B CN 201410196672 A CN201410196672 A CN 201410196672A CN 103995527 B CN103995527 B CN 103995527B
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- bang path
- temperature acquisition
- bridge
- temperature
- variable connector
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Abstract
The invention provides a kind of wind-driven generator group wheel box temperature collecting device, including: the first identical temperature acquisition bang path, the second temperature acquisition bang path and the 3rd temperature acquisition bang path of parallel join；Wherein when any temperature acquisition bang path breaks down, this temperature acquisition bang path disconnects automatically, and carries out automatic data processing, and other temperature acquisition bang path normally works simultaneously.
Description
Technical field
The present invention relates to wind power generation field, it is more particularly related to one is based on parallel fault-tolerant control
The wind-driven generator group wheel box temperature collecting device of system.
Background technology
For the collection of wind-driven generator group wheel box temperature, commonly used is general method, i.e. uses
Single temperature sensor carrys out collecting temperature.
But, the single temperature sensor of this employing of the prior art carrys out the scheme reliability of collecting temperature
Relatively low, if sensor experiences failure, then the temperature acquisition of the temperature of gear-box, especially lubricating oil is the most accurate
Really, it is directly that the heat exchange of lubricating oil below is affected, thus affects the normal operation of gear-box, the most then
Gear-box is made to damage, heavy then make whole wind power generating set paralyse.
Accordingly, it is desirable to be able to provide a kind of accurate and technology of reliability that ensure that gearbox temperature gathers
Scheme.
Summary of the invention
The technical problem to be solved is for there is drawbacks described above in prior art, it is provided that Yi Zhongji
In the wind-driven generator group wheel box temperature collecting device that parallel fault-tolerant controls, it ensure that gearbox temperature
Accurate and the reliability gathered, thus improve the reliability that gear-box normally works, it is ensured that gear-box is normally transported
Turn, thus ensure that wind power generating set will not cause heavy losses because of the fault of gear-box.
In order to realize above-mentioned technical purpose, according to the present invention, it is provided that a kind of wind-driven generator group wheel box temperature
Degree harvester, comprising: the first identical temperature acquisition bang path of parallel join, the second temperature are adopted
Collection bang path and the 3rd temperature acquisition bang path；Wherein break down at any temperature acquisition bang path
Time, this temperature acquisition bang path disconnects automatically, and carries out automatic data processing, other temperature acquisition simultaneously
Bang path normally works.
Preferably, the first temperature acquisition bang path includes being sequentially connected with the first bridge, the first variable connector,
First amplifier and the first analog-digital converter；Second temperature acquisition bang path includes the second bridge being sequentially connected with
Road, the second variable connector, the second amplifier and the second analog-digital converter；3rd temperature acquisition bang path bag
Include the 3rd bridge, the 3rd variable connector, the 3rd amplifier and the 3rd analog-digital converter being sequentially connected with.
Preferably, described wind-driven generator group wheel box temperature collecting device also includes: beacon element, is used for
Detect and react the first bridge, the second bridge and the duty of the 3rd bridge, and would indicate that the first bridge
The indication signal of the duty of road, the second bridge and the 3rd bridge be separately input into the first variable connector,
Second variable connector and the first input end of the 3rd variable connector.Described wind-driven generator group wheel box temperature
Harvester also includes: host circuit；Wherein, the first bridge, the second bridge and the 3rd bridge are used for adopting
Collect wind-driven generator group wheel box temperature and would indicate that the signal of the wind-driven generator group wheel box temperature collected
It is separately input into the first variable connector, the second variable connector and the second input of the 3rd variable connector；The
One variable connector, the second variable connector and the 3rd variable connector are respectively according to from respective first input end and the
The signal that two inputs receive respectively via the first amplifier and the first analog-digital converter, the second amplifier and
Second analog-digital converter and the 3rd amplifier and the 3rd analog-digital converter amplify to host circuit output experience
Variable connector output signal with analog digital conversion.
Preferably, described wind-driven generator group wheel box temperature collecting device also includes: be connected with host circuit
Recovery reentry unit, for making system recovery work according to the instruction of host circuit.
Preferably, host circuit from the first temperature acquisition bang path, the second temperature acquisition bang path and
In the case of the data that 3rd temperature acquisition bang path receives are in target offset scope, it is judged that there is no event
Hinder and try to achieve from the first temperature acquisition bang path, the second temperature acquisition bang path and the 3rd temperature acquisition
The meansigma methods of the data that bang path receives, as gear-box Current Temperatures.
Thus, the invention provides a kind of wind-driven generator group wheel box temperature controlled based on parallel fault-tolerant to adopt
Acquisition means, it ensure that the accurate and reliability that gearbox temperature gathers, thus improves the normal work of gear-box
The reliability made, it is ensured that gear-box runs well, thus ensures that wind power generating set will not be because of gear-box
Fault and he causes heavy losses.
Accompanying drawing explanation
In conjunction with accompanying drawing, and by with reference to detailed description below, it will more easily the present invention is had more complete
Understand and its adjoint advantage and feature is more easily understood, wherein:
Fig. 1 schematically shows wind-driven generator group wheel box temperature according to the preferred embodiment of the invention and adopts
The block diagram of acquisition means.
Fig. 2 schematically shows wind-driven generator group wheel box temperature according to the preferred embodiment of the invention and adopts
The workflow diagram of acquisition means.
It should be noted that accompanying drawing is used for illustrating the present invention, and the unrestricted present invention.Note, represent structure
Accompanying drawing may be not necessarily drawn to scale.Further, in accompanying drawing, same or like element indicate identical or
The label that person is similar to.
Detailed description of the invention
In order to make present disclosure more clear and understandable, below in conjunction with specific embodiments and the drawings to this
Bright content is described in detail.
The present invention mainly uses process channel, the standby fault-tolerant and system recovery of hardware redundancy and reentry technology.
Wherein, use parallel fault-tolerant to control technology, design the three identical input channels of set, the status of three
Identical, for input channel, the data gathered through three are all sent into CPU, CPU are compared, many
The value that the number person of being consistent is correct adds their confirmation, if three all differs, can carry out respective further
Self diagnosis, adopts the data that self diagnosis confirms not have faulty channel.
Specifically, (the first temperature is adopted can to use identical three the temperature acquisition bang path of parallel join
Collection bang path, the second temperature acquisition bang path and the 3rd temperature acquisition bang path)；Wherein in arbitrarily temperature
When degree collection bang path breaks down, this temperature acquisition bang path automatically disconnects, and automatically processes
Data, other temperature acquisition bang path normally works simultaneously.
The preferred embodiments of the present invention are detailed below.
Fig. 1 schematically shows wind-driven generator group wheel box temperature according to the preferred embodiment of the invention and adopts
The block diagram of acquisition means.
As it is shown in figure 1, wind-driven generator group wheel box temperature collecting device according to the preferred embodiment of the invention
Including: parallel join identical three article temperature acquisition bang path (the first temperature acquisition bang path,
Two temperature acquisition bang paths and the 3rd temperature acquisition bang path)；Wherein the first temperature acquisition bang path bag
Include the first bridge the 11, first variable connector the 21, first amplifier 31 and the first analog digital conversion being sequentially connected with
Device 41；Second bridge the 12, second variable connector 22 that second temperature acquisition bang path includes being sequentially connected with,
Second amplifier 32 and the second analog-digital converter 42；3rd temperature acquisition bang path includes be sequentially connected with
Three bridge the 13, the 3rd variable connector the 23, the 3rd amplifier 33 and the 3rd analog-digital converters 43.
Wind-driven generator group wheel box temperature collecting device also includes according to the preferred embodiment of the invention: beacon
Unit 20, for detecting and reacting the first bridge the 11, second bridge 12 and work shape of the 3rd bridge 13
State, and would indicate that the instruction of the duty of first bridge the 11, second bridge 12 and the 3rd bridge 13
Signal is separately input into the of first variable connector the 21, second variable connector 22 and the 3rd variable connector 23
One input.
Wind-driven generator group wheel box temperature collecting device also includes according to the preferred embodiment of the invention: main frame
Circuit 30, and be connected with host circuit 30 respectively display 40, to recover reentry unit 50, input single
Unit's (such as keyboard) 60.
Wherein, first bridge the 11, second bridge 12 and the 3rd bridge 13 are used for gathering wind power generating set
The wind-driven generator group wheel box temperature that gearbox temperature (temperature of acquisition target) would indicate that collects
Signal is separately input into the of first variable connector the 21, second variable connector 22 and the 3rd variable connector 23
Two inputs.
Such as, first bridge the 11, second bridge 12 distinguishes corresponding three with the duty of the 3rd bridge 13
Individual light emitting diode, if normally using, LED lighting indicates, if faulty, diode extinguishes.
First variable connector the 21, second variable connector 22 and the 3rd variable connector 23 are respectively according to from each
The signal that first input end and the second input receive is respectively via the first amplifier 31 and the first analog digital conversion
Device the 41, second amplifier 32 and the second analog-digital converter 42 and the 3rd amplifier 33 and the 3rd modulus turn
Parallel operation 43 amplifies and the variable connector output signal of analog digital conversion to host circuit 30 output experience.That is, many
Way switch can realize, when breaking down in this road, can being disconnected on this road, in order to handling failure.
Reentry unit 50 is recovered for according to the instruction of host circuit 30 (being such as optional use
System be interfered program fleet or crash time) system recovery is worked.
Display 40 can use 8 light-emitting diode displays, front four realities exported after being shown that analytical data
Border temperature value, latter four is the failure code when system is faulty；Vice versa.
Wind-driven generator group wheel box temperature collecting device also includes according to the preferred embodiment of the invention: first
Drive 71 and second to drive 72, be the result display lamp after actual temperature compares with ideal temperature respectively, such as
Available red and green light emitting diode, if actual temperature is higher than ideal temperature, then red diode is bright,
If actual temperature is less than ideal temperature, then green diode is bright.Wherein keyboard 60 input is then gear-box
The setting of ideal temperature.
Fig. 2 schematically shows wind-driven generator group wheel box temperature according to the preferred embodiment of the invention and adopts
The workflow diagram of acquisition means.
As in figure 2 it is shown, during start, first carry out System self-test, including CPU, memorizer, A/D process channel
Self-inspection, display reminding information.As diagnosis just shows failure code to fault, if there is no fault, enter survey
Thermophase.During system worked well, also can carry out cycle self-inspection.When a fault is found, take fault-tolerant measure,
To ensure system worked well, and in part viewing area (rear four LED) upper display thermometric value
Meanwhile, part viewing area (the most front four LED) show failure code.If system is interfered
Program fleet or deadlock, system recovery and reentry unit work so that it is resume work.Such as, if certain
Branch road is faulty, and Ze Ci road is disconnected automatically, and carries out automatic data processing, and additionally two-way still works,
It is achieved that it is fault-tolerant.
Host circuit 30 is from the first temperature acquisition bang path, the second temperature acquisition bang path and the 3rd temperature
In the case of the data that degree collection bang path receives are in target offset scope, then judge there is no fault (example
If self-detection result is not for having fault), and try to achieve from the first temperature acquisition bang path, the second temperature acquisition biography
Pass path and the meansigma methods of data that the 3rd temperature acquisition bang path receives, as the warmest for gear-box
Degree.This gear-box Current Temperatures is exportable and in front four displays (or otherwise display) of display.
If three differs greatly (in the range of being not in target offset), respective self diagnosis can be carried out further,
Adopt the data that self diagnosis confirms not have out of order passage.
Such as, said apparatus can be by one or more regulated power supplys (such as, the first regulated power supply 1 and second
Regulated power supply 2) power supply.
The advantages such as the present invention has simple in construction, high-efficient light, low price.Ensure that the temperature of gear-box is adopted
Accurately, reliability is higher, thus ensures temperature control accurately and reliably for collection, and what raising wind power generating set was run can
By property.
Additionally, the present invention at least has a following favorable characteristics:
1, suppression interference, program fleet or deadlock if system is interfered, system recovery and reentry unit rise
Effect so that it is resume work.
2, the automatic detection of fault, during start, first carries out System self-test, including CPU, memorizer, A/D
The self-inspection of process channel, display reminding information.As diagnosis just shows failure code to fault, if not having fault
Then enter the thermometric stage.
3, the impact of sensor fault is masked by redundant element.
Furthermore, it is necessary to explanation, unless stated otherwise or point out, the otherwise term in description " the
One " each assembly during, the description such as " second ", " the 3rd " is used only for differentiation description, element, step
Deng rather than for representing the logical relation between each assembly, element, step or ordering relation etc..
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment is also
It is not used to limit the present invention.For any those of ordinary skill in the art, without departing from skill of the present invention
In the case of art aspects, technical solution of the present invention is made many by the technology contents that all may utilize the disclosure above
Possible variation and modification, or it is revised as the Equivalent embodiments of equivalent variations.Therefore, every without departing from this
The content of bright technical scheme, according to the present invention technical spirit to any simple modification made for any of the above embodiments,
Equivalent variations and modification, all still fall within the range of technical solution of the present invention protection.
Claims (3)
1. a wind-driven generator group wheel box temperature collecting device, it is characterised in that including: parallel join
Identical the first temperature acquisition bang path, the second temperature acquisition bang path and the 3rd temperature acquisition transmission road
Footpath；Wherein when any temperature acquisition bang path breaks down, this temperature acquisition bang path disconnects automatically,
And carrying out automatic data processing, other temperature acquisition bang path normally works simultaneously, and described first temperature is adopted
Collection bang path includes the first bridge, the first variable connector, the first amplifier and the first modulus being sequentially connected with
Transducer；The second bridge that described second temperature acquisition bang path includes being sequentially connected with, the second variable connector,
Second amplifier and the second analog-digital converter；Described 3rd temperature acquisition bang path includes be sequentially connected with
Three bridges, the 3rd variable connector, the 3rd amplifier and the 3rd analog-digital converter；
Described wind-driven generator group wheel box temperature collecting device also includes:
Beacon element, for detecting and react the first bridge, the second bridge and the duty of the 3rd bridge,
And would indicate that the indication signal of the duty of the first bridge, the second bridge and the 3rd bridge inputs respectively
To the first variable connector, the second variable connector and the first input end of the 3rd variable connector；
Described wind-driven generator group wheel box temperature collecting device also includes: host circuit；
Wherein, the first bridge, the second bridge and the 3rd bridge are used for gathering wind-driven generator group wheel box temperature
Spend and would indicate that the signal of the wind-driven generator group wheel box temperature collected is separately input into the first multichannel and opens
Pass, the second variable connector and the second input of the 3rd variable connector；
First variable connector, the second variable connector and the 3rd variable connector are respectively according to from respective first input
End and the signal that receives of the second input respectively via the first amplifier and the first analog-digital converter, second put
Big device and the second analog-digital converter and the 3rd amplifier and the 3rd analog-digital converter export warp to host circuit
Go through and amplify and the variable connector output signal of analog digital conversion.
Wind-driven generator group wheel box temperature collecting device the most according to claim 1, it is characterised in that
Also include: the recovery reentry unit being connected with host circuit, for making system according to the instruction of host circuit
Resume work.
Wind-driven generator group wheel box temperature collecting device the most according to claim 1, it is characterised in that
Host circuit is from the first temperature acquisition bang path, the second temperature acquisition bang path and the 3rd temperature acquisition
In the case of the data that bang path receives are in target offset scope, it is judged that do not have fault and try to achieve from
First temperature acquisition bang path, the second temperature acquisition bang path and the 3rd temperature acquisition bang path receive
The meansigma methods of the data arrived, as gear-box Current Temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410196672.4A CN103995527B (en) | 2014-05-09 | 2014-05-09 | Wind-driven generator group wheel box temperature collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410196672.4A CN103995527B (en) | 2014-05-09 | 2014-05-09 | Wind-driven generator group wheel box temperature collecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103995527A CN103995527A (en) | 2014-08-20 |
| CN103995527B true CN103995527B (en) | 2016-09-28 |
Family
ID=51309719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410196672.4A Expired - Fee Related CN103995527B (en) | 2014-05-09 | 2014-05-09 | Wind-driven generator group wheel box temperature collecting device |
Country Status (1)
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| CN (1) | CN103995527B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7194894B2 (en) * | 2004-11-04 | 2007-03-27 | General Electric Company | Advanced HIT skid data collection |
| CN101634866B (en) * | 2009-02-10 | 2012-02-22 | 广州高澜节能技术股份有限公司 | Control system of pure water cooling device of high voltage direct current (HVDC) transmission converter valve |
| CN101813920B (en) * | 2010-05-14 | 2011-05-04 | 上海交通大学 | Virtual redundancy method for temperature sensor of power station turboset |
| US8568058B2 (en) * | 2010-10-07 | 2013-10-29 | Caterpillar Paving Products Inc. | Electric screed heat control system and method of heating screed plates |
| ITCO20110028A1 (en) * | 2011-07-21 | 2013-01-22 | Nuovo Pignone Spa | SYSTEM AND METHOD FOR THE SELF-ADJUSTMENT OF A GAS TURBINE COMBUSTION SYSTEM |
| CN102830693B (en) * | 2012-08-10 | 2015-12-09 | 中国电力科学研究院 | A kind of control system of low-voltage transverse test equipment of wind turbine and control method thereof |
| CN202994473U (en) * | 2013-01-11 | 2013-06-12 | 华北电力大学 | Wind power generation unit vibration on-line monitoring and fault diagnosis system |
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2014
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| CN103995527A (en) | 2014-08-20 |
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Granted publication date: 20160928 Termination date: 20190509 |