CN106150928A - Wind generating set engine room cleaning device - Google Patents
Wind generating set engine room cleaning device Download PDFInfo
- Publication number
- CN106150928A CN106150928A CN201610662660.5A CN201610662660A CN106150928A CN 106150928 A CN106150928 A CN 106150928A CN 201610662660 A CN201610662660 A CN 201610662660A CN 106150928 A CN106150928 A CN 106150928A
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- China
- Prior art keywords
- net
- roller
- drainage screen
- generating set
- main drive
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of wind generating set engine room environment automatic cleaning apparatus, including net torr, supporting plate, drainage screen, main drive roller, put net roller, drive sprocket mechanism, controller, motor；Described net holds in the palm and is arranged at ring week and the air cooler air intake vent of cabin air intake vent, and described supporting plate is separately positioned at four diagonal angles of described net torr and holds in the palm fixing connection with described net；Described main drive roller is arranged on the side of described air intake vent；Described drive sprocket mechanism is arranged on the supporting plate of described main drive roller side；Described net roller of putting is arranged on the opposite side of described air intake vent；The one ends wound of described drainage screen is put on net roller described in being fixed on, and through described net backing portion, the other end is fixed on described main drive roller；Described controller is connected with described motor.The present invention is effectively prevented the blocking of air intake vent drainage screen, extends the drainage screen cleaning frequency, improves wind-driven generator work efficiency, reduces maintenance cost.
Description
Technical field
The invention belongs to air-introduced machine technical field of power generation, particularly to wind generating set engine room cleaning device.
Background technology
Wind power generating set, owing to being in continuous running state, can cause temperature to raise, it is therefore necessary to carrying out it must
Strategic point cooling measure, and during its cooling being processed by air conditioning system, extraneous air can be introduced by fan and enter
Cabin, in order to protect the cleaning of engine room facilities, it usually needs adds a filter screen at the air intake vent in cabin, crosses the ash in air filtering
Dirt and granule, prevent from polluting engine room inside equipment.And filter screen is after a period of operation, dust granule can fill up the sky of filter screen
Gap, so that the extraneous air that fan sucks cannot enter cabin smoothly, causes wind-driven generator internal temperature to raise, and warm
Degree reaches to set after threshold value, and in order to protect built-in system, wind-driven generator will quit work, this will spend substantial amounts of manpower,
Material resources carry out screen replacing, cause wind-driven generator inefficiency, the problem that maintenance cost is high.
Summary of the invention
It is contemplated that at least solve one of key technical problem present in prior art.To this end, the present invention provides one
Plant the device of automatically replaceable wind-driven generator filter screen.
For realizing the object of the invention, the present invention uses following technical proposals:
A kind of wind generating set engine room environment automatic cleaning apparatus, including net torr, supporting plate, drainage screen, main drive roller,
Put net roller, drive sprocket mechanism, controller, motor；
Described net torr is arranged at ring week and the air cooler air intake vent of cabin air intake vent, and described supporting plate is separately positioned on
Fix at four diagonal angles of described net torr and with described net torr and be connected；
Described main drive roller is arranged on the side of described air intake vent, and two ends respectively with the two of described side described supports
Plate is rotationally connected；Described drive sprocket mechanism is arranged on the supporting plate of described main drive roller side, one end and described main transmission
Roller is rotationally connected, and the other end is connected with described motor；
Described net roller of putting is arranged on the opposite side of described air intake vent, and described in put the two ends of net roller respectively with described opposite side
Two described supporting plates be rotationally connected；
The one ends wound of described drainage screen is put on net roller described in being fixed on, and through described net backing portion, the other end is fixed
On described main drive roller；
Described controller is connected with described motor, for according to acquired screen replacing condition, controls described motor and drives
Dynamic described drive sprocket mechanism kinematic.
Further, described device also includes the tension governor motion being arranged on described supporting plate；Described tension regulates
Structure puts the hole on the described supporting plate of net roller side and described main drive roller side described in including being separately positioned on, and through described
The rope that described device is strained and fixed by hole.
Further, described device also includes that length counter, described length counter are connected with described controller, pass through
The rotating speed obtained calculates the replacing length of described drainage screen.
Further, described device also includes that temperature sensor, described temperature sensor are arranged on wind power generating set
In cabin, and it is connected with described controller；
Described filter screen replacement condition is: temperature in acquired cabin is passed to described control by described temperature sensor
Device, when described controller judges that described temperature controls the work of described motor when reaching design temperature, changes described drainage screen automatically.
Further, also include that air-introduced machine temperature sensor, described air-introduced machine temperature sensor are separately positioned on air intake vent
Inside and outside the drainage screen at place, and it is connected with described controller respectively；
Described filter screen replacement condition is: inside and outside the drainage screen at air intake vent acquired in described air-introduced machine temperature sensor
Described temperature transfer is also given described controller by temperature level, when described controller judges that the temperature rise inside and outside drainage screen is more than setting
During value, control the work of described motor, automatically change described drainage screen.
Further, described controller controls motor work according to the time cycle changing drainage screen preset, the most more
Change described drainage screen.
Further, described controller controls the work of described motor according to default motor speed.
Further, also including putting the reel wire handwheel on the supporting plate of net roller side described in being arranged on, described reel wire handwheel is same
Described net roller of putting connects and puts net roller described in controlling and rotates.
Further, two supporting plates of described main drive roller side are additionally provided with driven roll, described driven roll and institute
State main drive roller parallel, and between described main drive roller and described net torr, the two ends of described driven roll respectively with two institutes
Stating supporting plate to be rotationally connected, the horizontal range of described driven roll to Wang Tuo center is more than described main drive roller to described Wang Tuo center
Horizontal range.
Further, being provided with follower on the described supporting plate putting net roller side, described follower puts net with described
Rolling out row, and put between net roller and described net torr described, the two ends of described follower turn with two described supporting plates respectively
Be dynamically connected, the described horizontal range passively taking turns to Wang Tuo center be more than described in put the net roller horizontal range to described Wang Tuo center.
The invention have the benefit that
The present invention, by arranging main drive roller and putting net roller, makes at wind generating set engine room air intake vent and air cooler enters
Drainage screen at air port realizes automatically changing by controller without dismounting, is effectively prevented the blocking of vent drainage screen,
Extend the filter screen replacement cycle, improve wind-driven generator work efficiency, reduce maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The structural representation of the wind generating set engine room cleaning device that Fig. 1 provides for the embodiment of the present invention.
Wherein, 1, net torr 2, supporting plate 3, drainage screen 4 main drive roller
5, drive sprocket mechanism 6, put net roller 7, tension governor motion
8, reel wire handwheel 9, driven roll 10, follower
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Structural representation with reference to the wind generating set engine room cleaning device that Fig. 1, Fig. 1 provide for the embodiment of the present invention.
As it is shown in figure 1, this wind generating set engine room environment automatic cleaning apparatus, including net torr 1, supporting plate 2, drainage screen
3, main drive roller 4, drive sprocket mechanism 5, put net roller 6, controller (not shown on accompanying drawing), motor (not shown on accompanying drawing)；
Described net torr 1 is arranged at ring week and the air cooler air intake vent of cabin air intake vent, and described supporting plate 2 is respectively provided with
Fix at four diagonal angles of described net torr 1 and with described net torr 1 and be connected；
Described main drive roller 4 is arranged on the side of described air intake vent, and two ends respectively with described in two of described side
Frame plate 2 is rotationally connected；Described drive sprocket mechanism 5 is arranged on the supporting plate 2 of described main drive roller 4 side, and one end is with described
Main drive roller 4 is rotationally connected, and the other end is connected with described motor 8；
Described net roller 6 of putting is arranged on the opposite side of described air intake vent, and described in put the two ends of net roller 6 respectively with described another
Two described supporting plates 2 of side are rotationally connected；
The one ends wound of described drainage screen 3 is put on net roller 6 described in being fixed on, and holds in the palm bottom 1 through described net, and the other end is solid
It is scheduled on described main drive roller 4；
Described controller is connected with described motor, for according to acquired screen replacing condition, controls described motor and drives
Dynamic described drive sprocket mechanism 5 moves.
Preferably, the stainless steel filter screen that described drainage screen 3 is crossed for nanotechnology treatments.
Further, described motor can be servomotor or motor, and described controller can be servo controller
Or step-by-step controller, so that controlling more accurate, low speed high torque, overload capacity is strong.
Further, described controller controls the work of described motor according to default motor speed.
Further, described device also includes that temperature sensor, described temperature sensor are arranged on wind power generating set
In cabin, and it is connected with described controller；
In the present embodiment, described drainage screen 3 is changed condition and be may is that described temperature sensor is by acquired cabin
Temperature passes to described controller, when described controller judges that described temperature controls the work of described motor when reaching design temperature, from
The described drainage screen 3 of dynamic replacing；
It should be noted that in order to protect wind power generating set safety, when in cabin, temperature is higher than uniform temperature (generally
Be 60 degrees Celsius), described wind-driven generator will quit work, therefore, set temperature should air themperature with 60 degrees Celsius it
Between；When temperature reaches design temperature in cabin, illustrate that described drainage screen has blocked to a certain extent, need the most replaceable filtration
Net, prevents temperature too high and electromotor quits work.
Further, described device also includes that air-introduced machine temperature sensor, described air-introduced machine temperature sensor are respectively provided with
Inside and outside drainage screen at air intake vent, and it is connected with described controller respectively；
In the present embodiment, described filter screen replacement condition can also be: at air intake vent acquired in described temperature sensor
Drainage screen inside and outside temperature level and by described temperature transfer give described controller, when described controller judges inside and outside drainage screen
Temperature rise when setting value, control the work of described motor, automatically change described drainage screen.
In the present embodiment, the replacing condition of described drainage screen 3 can also be: described controller is according to the replacing preset
The time cycle of filter screen controls motor work, automatically changes described drainage screen 3.
It should be noted that the time cycle automatically changing described drainage screen 3 can be set according to previous experiences, works as institute
When stating time cycle arrival, described controller will automatically drive described motor to work, change described drainage screen 3.
Further, described device also includes the tension governor motion 7 being arranged on described supporting plate 2；Described tension is adjusted
The hole on the described supporting plate of net roller 6 side and described main drive roller 4 side is put described in including being separately positioned in joint mechanism 7, and wears
Cross the rope that described device is strained and fixed by described hole, for strengthening the structural stability of whole device；
It should be noted that described hole can be separately positioned on the supporting plate putting net roller side and main drive roller side,
Can also two supporting plates of every side be respectively provided with, the hole on each supporting plate can be one or more, as long as can be according to device
Conditions of demand will put net roller side and main drive roller side supporting plate tension, play the stability strengthening whole device, have
How body opening arranges and wears rope stretch, and the present embodiment does not limits；In the present embodiment, described rope can be steel wire.
Further, described device is also provided with reel wire handwheel 8 on described supporting plate 2, and puts net roller 6 even with described
Connect, if there is filter screen obstruction, bite phenomenon, after described drainage screen 3 can being rearranged by manual operations reel wire handwheel 8
Rollback is put on net roller 6 to described.
Further, two supporting plates 2 of described main drive roller 4 side are additionally provided with driven roll 9, described driven roll 9
Parallel with described main drive roller 4, and between described main drive roller 4 and described net torr 1, the two ends of described driven roll 9 are respectively
Being rotationally connected with two described supporting plates 2, the horizontal range of described driven roll 9 to Wang Tuo center arrives more than described main drive roller 4
The horizontal range at described Wang Tuo center.
It should be noted that when described drainage screen 3 is connected with described main drive roller 4 by described net torr 1, driven roll 9,
Described drainage screen 3 is supported by described driven roll 9, so, if drainage screen 3 is from putting net roller 6 one end to main drive roller 4 one end
Occurring in Renewal process blocking scene, drainage screen 3 can manually back be rotated by described driven roll 9, rearranges drainage screen, anti-
Only drainage screen is stuck by motor.
Further, the described supporting plate 2 putting net roller 6 side is provided with follower 10, described follower 10 and institute
State that to put net roller 6 parallel, and put between net roller 6 and described net torr 1 described, the two ends of described follower 10 respectively with two institutes
State supporting plate 2 to be rotationally connected, the horizontal range of described follower 10 to Wang Tuo center be more than described in put net roller to described net torr in
The horizontal range of the heart.
It should be noted that described drainage screen 3 after follower 10 again by described net torr 1, follower 10 can be right
Described drainage screen 3 is played a supporting role, and is changing during drainage screen, it is possible to reduce described drainage screen 3 is with mechanical part
Direct friction, prevents the damage to drainage screen, and meanwhile, described follower 10 rotates along with the replacing of described drainage screen 3, permissible
Reduce damping, make described motor load reduce.
Further, described device also includes length counter (not shown on accompanying drawing), and described length counter is with described
Controller connects, and calculates the replacing length of described drainage screen by obtaining the rotating speed of motor；
It should be noted that described length counter is connected with described controller, when described controller controls described motor
During work, described length counter starts to obtain the rotating speed of described motor, when described controller obtains from described length counter
When replacing length to filter screen reaches preset length, control described motor and quit work, complete once to automatically update filter screen.
In the present embodiment, described motor uses impulse form to be driven, such as 100,000 pulsed drive motor movements
One circle, motor rotating operation one circle speed can be 300mm/ minute, so by arranging umber of pulse, it is possible to realize to away from
Control from accurately, can the most manually stop simultaneously.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as the restriction to the application, those of ordinary skill in the art can be to above-mentioned in scope of the present application
Embodiment is changed, revises, replaces and modification.
Claims (10)
1. a wind generating set engine room environment automatic cleaning apparatus, its feature includes: net torr, supporting plate, drainage screen, main biography
Action roller, put net roller, drive sprocket mechanism, controller, motor；
Described net torr is arranged at ring week and the air cooler air intake vent of cabin air intake vent, and described supporting plate is separately positioned on described
Fix at four diagonal angles of net torr and with described net torr and be connected；
Described main drive roller is arranged on the side of described air intake vent, and two ends turn with the two of described side described supporting plates respectively
It is dynamically connected；Described drive sprocket mechanism is arranged on the supporting plate of described main drive roller side, and one end turns with described main drive roller
Being dynamically connected, the other end is connected with described motor；
Described net roller of putting is arranged on the opposite side of described air intake vent, and described in put the two ends of net roller respectively with the two of described opposite side
Individual described supporting plate is rotationally connected；
The one ends wound of described drainage screen is put on net roller described in being fixed on, and through described net backing portion, the other end is fixed on institute
State on main drive roller；
Described controller is connected with described motor, for according to acquired screen replacing condition, controls described motor and drives institute
State drive sprocket mechanism kinematic.
Wind generating set engine room environment automatic cleaning apparatus the most according to claim 1, it is characterised in that: also include setting
Put the tension governor motion on described supporting plate；Described tension adjustment structure puts net roller side and institute described in including being separately positioned on
State the hole on the described supporting plate of main drive roller side, and the rope being strained and fixed by described device through described hole.
Wind generating set engine room environment automatic cleaning apparatus the most according to claim 1, it is characterised in that: also include long
Degree enumerator, described length counter is connected with described controller, calculates described drainage screen more by obtaining the rotating speed of motor
Change length.
Wind generating set engine room environment automatic cleaning apparatus the most according to claim 1, it is characterised in that: also include temperature
Degree sensor, described temperature sensor is arranged in the cabin of wind power generating set, and is connected with described controller；
Described filter screen replacement condition is: temperature in acquired cabin is passed to described controller by described temperature sensor, when
Described controller judges described temperature to reach during design temperature to control the work of described motor, automatically changes described drainage screen.
Wind generating set engine room environment automatic cleaning apparatus the most according to claim 1, it is characterised in that: also include drawing
Blower fan temperature sensor, described air-introduced machine temperature sensor is separately positioned on inside and outside the drainage screen at air intake vent, and respectively with institute
State controller to connect；
Described filter screen replacement condition is: described temperature sensor obtains the temperature level inside and outside the drainage screen at air intake vent and incites somebody to action
Described temperature transfer gives described controller, when described controller judges the temperature rise inside and outside drainage screen more than setting value, controls institute
State motor work, automatically change described drainage screen.
Wind generating set engine room environment automatic cleaning apparatus the most according to claim 1, it is characterised in that: described control
Device controls motor work according to the time cycle changing drainage screen preset, and automatically changes described drainage screen.
Wind generating set engine room environment automatic cleaning apparatus the most according to claim 1, it is characterised in that: described control
Device controls the work of described motor according to default motor speed.
Wind generating set engine room environment automatic cleaning apparatus the most according to claim 1, it is characterised in that: also include setting
Put at the described reel wire handwheel put on the supporting plate of net roller side, described reel wire handwheel with described in put net roller and connect and put described in controlling
Net roller rotates.
Wind generating set engine room environment automatic cleaning apparatus the most according to claim 1, it is characterised in that: described master
Being additionally provided with driven roll on two supporting plates of live-roller side, described driven roll is parallel with described main drive roller, and is positioned at described
Between main drive roller and described net torr, the two ends of described driven roll are rotationally connected with two described supporting plates respectively, described passively
The horizontal range at Gun Daowangtuo center is more than the horizontal range of described main drive roller to described Wang Tuo center.
Wind generating set engine room environment automatic cleaning apparatus the most according to claim 1, it is characterised in that: described
Putting and be provided with follower on the supporting plate of net roller side, described follower rolls out row with described net of putting, and puts net roller described in being positioned at
And between described net torr, the two ends of described follower are rotationally connected with two described supporting plates respectively, the described net that passively takes turns to holds in the palm
The horizontal range at center puts the net roller horizontal range to described Wang Tuo center described in being more than.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662660.5A CN106150928A (en) | 2016-08-12 | 2016-08-12 | Wind generating set engine room cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662660.5A CN106150928A (en) | 2016-08-12 | 2016-08-12 | Wind generating set engine room cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106150928A true CN106150928A (en) | 2016-11-23 |
Family
ID=57330166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610662660.5A Pending CN106150928A (en) | 2016-08-12 | 2016-08-12 | Wind generating set engine room cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106150928A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194289A (en) * | 2018-01-26 | 2018-06-22 | 大唐（赤峰）新能源有限公司 | A kind of fan engine room dust guard |
| CN108404606A (en) * | 2018-01-30 | 2018-08-17 | 谢银泉 | A kind of integrated circuit board processing unit (plant) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4659270B2 (en) * | 2001-05-25 | 2011-03-30 | 株式会社日立製作所 | Wind power generation equipment |
| CN203971633U (en) * | 2014-06-27 | 2014-12-03 | 内蒙古久和能源科技有限公司 | A kind of automatic filtering unit for wind power generating set |
| CN204253286U (en) * | 2014-10-13 | 2015-04-08 | 吉林市旭峰激光科技有限责任公司 | A kind of cooling system of wind driven generator of automatic replacing filter screen |
| CN204729238U (en) * | 2015-05-29 | 2015-10-28 | 孙勇健 | A kind of dust removal and filtration net automatic switching control equipment of wind-driven generator chiller system |
| CN204827813U (en) * | 2015-07-31 | 2015-12-02 | 沈阳东安电力自动化有限责任公司 | Automatic dust collector of wind power generation heat exchanger and be equipped with its wind power generation system |
| CN205908422U (en) * | 2016-08-12 | 2017-01-25 | 沈阳嘉越电力科技有限公司 | Wind generating set cabin cleaning device |
-
2016
- 2016-08-12 CN CN201610662660.5A patent/CN106150928A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4659270B2 (en) * | 2001-05-25 | 2011-03-30 | 株式会社日立製作所 | Wind power generation equipment |
| CN203971633U (en) * | 2014-06-27 | 2014-12-03 | 内蒙古久和能源科技有限公司 | A kind of automatic filtering unit for wind power generating set |
| CN204253286U (en) * | 2014-10-13 | 2015-04-08 | 吉林市旭峰激光科技有限责任公司 | A kind of cooling system of wind driven generator of automatic replacing filter screen |
| CN204729238U (en) * | 2015-05-29 | 2015-10-28 | 孙勇健 | A kind of dust removal and filtration net automatic switching control equipment of wind-driven generator chiller system |
| CN204827813U (en) * | 2015-07-31 | 2015-12-02 | 沈阳东安电力自动化有限责任公司 | Automatic dust collector of wind power generation heat exchanger and be equipped with its wind power generation system |
| CN205908422U (en) * | 2016-08-12 | 2017-01-25 | 沈阳嘉越电力科技有限公司 | Wind generating set cabin cleaning device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194289A (en) * | 2018-01-26 | 2018-06-22 | 大唐（赤峰）新能源有限公司 | A kind of fan engine room dust guard |
| CN108404606A (en) * | 2018-01-30 | 2018-08-17 | 谢银泉 | A kind of integrated circuit board processing unit (plant) |
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