CN105230233B - Cleaning chamber of combined harvester Wind field measurement device and method - Google Patents
Cleaning chamber of combined harvester Wind field measurement device and method Download PDFInfo
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- CN105230233B CN105230233B CN201510721315.XA CN201510721315A CN105230233B CN 105230233 B CN105230233 B CN 105230233B CN 201510721315 A CN201510721315 A CN 201510721315A CN 105230233 B CN105230233 B CN 105230233B
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Abstract
The invention discloses a kind of cleaning chamber of combined harvester Wind field measurement device and method, the measurement apparatus includes sensor and mounting frame for sensor, the mounting bracket includes the more support links being horizontally installed in cleaning room, and every support link is furnished with least one sensor probe;It is parallel to each other between the support link, the both ends of support link are fixed in the side wall of cleaning room, its body of rod is provided with the buckle of more than one fixation sensor probe, in the buckle array of the buckle composition in more support links, including more than two buckle files；The sensor is the one or more in air velocity transducer, wind transducer or air flow sensor.Measurement apparatus of the present invention can easily measure the parameter such as wind speed of each position inside cleaning room, help user to arrange the parameter setting of adjustment wind field throughout according to grain species, and optimal effect is cleaned to obtain.
Description
Technical field
The invention belongs to agricultural machinery technological field, specially cleaning chamber of combined harvester Wind field measurement device and measurement side
Method.
Background technology
At present, grain harvester combine is cleaned using Winnowing type more, and this screening mode is for the wind in cleaning room space
Speed has very high requirement, and the adjustment of wind speed is carried out for Different Crop, different locus, could realize optimal screening effect
Fruit, and those skilled in the art is mainly to be arranged by experience to judge to adjust the wind speed in cleaning room at present.
The content of the invention
The technical purpose of the present invention is on the basis of existing technology, to design a kind of cleaning chamber of combined harvester Wind field measurement
Device and method, make up the deficiency of experience.
In order to realize above-mentioned technical purpose, technical scheme disclosed by the invention is：
Cleaning chamber of combined harvester Wind field measurement device, including sensor and mounting frame for sensor, it is characterised in that：
The mounting bracket includes the more support links being horizontally installed in cleaning room, and every support link is furnished with least one sensing
Device is popped one's head in;It is parallel to each other between the support link, the both ends of support link are fixed in the side wall of cleaning room, are set on its body of rod
There is more than one buckle for fixing sensor probe, in the buckle array of the buckle composition in more support links, including two
Buckle file more than individual；The sensor is the one or more in air velocity transducer, wind transducer or air flow sensor.
Further technical scheme also includes：
Air-out direction of the support link perpendicular to cleaning room fan outlet.
The buckle preferably uses clamp button of the spring, facilitates being dismounted for multiple times of the sensor probe on diverse location buckle.
Adjacent buckle equi-spaced apart in each support link, that is, be placed equidistant collection point.
The adjustable wind deflector in direction is provided with close to the position of fan outlet, the wind deflector includes upper wind deflector leads with
Aerofoil, upper air duct is formed between the upper edge of fan outlet and upper wind deflector, apoplexy is formed between upper wind deflector and lower wind deflector
Road；The mounting bracket is included positioned at an at least support link in the upper air duct exit and positioned at the middle ducting outlet
An at least support link at place.The top of cleaning room internal vibration sieve is provided with threshing cylinder, and the lower section of vibratory sieve is provided with conveyer
Structure, the blower fan are located at the side of conveying mechanism；The mounting bracket also includes support link above the vibratory sieve, is located at
The one or more in support link above vibratory sieve lower conveyor structure.
Some support links above vibratory sieve are arranged at same level height, wind speed is gathered on sustained height
Contrasted etc. parameter, the change of the parameter such as wind speed on elongatedness direction can be symbolized.
Cleaning chamber of combined harvester Wind field measurement method, it is characterised in that comprise the following steps:
（One）In cleaning room wind field, the air-out direction in face of blower fan selectes some parameter acquisition points, according to each collection point
Horizontal direction where in wind field arranges the more cross-brace being parallel to each other connecting rods, is set in every support link multiple
For fixing the buckle of sensor probe, the adjacent buckle in same support link is left into certain distance, and connects each support
The front and rear alignment of buckle of precedence is corresponded between bar, forms buckle array；
（Two）In above-mentioned buckle array, at least sensor probe will be installed on the buckle of a file；
（Three）Behind the direction for adjusting sensor probe air inlet, detected, complete the ginseng of at least one wind field vertical section
Number collection, into step（Four）；
（Four）It will pop one's head in and remove installed in other at least on the buckle of a file, repeat step（Three）, until complete successively
The parameter acquisition of wind field vertical section where into each buckle file；
In above-mentioned steps, the sensor is one kind or more in air velocity transducer, wind transducer or air flow sensor
Kind.
Further, threshing cylinder is provided with above the vibratory sieve in the cleaning room, the lower section of vibratory sieve is provided with conveyer
Structure, the blower fan are located at the side of vibratory sieve lower conveyor structure, and wind deflector is being set close to the position of fan outlet, described
Wind deflector includes upper wind deflector and lower wind deflector, makes to form upper air duct between the upper edge of fan outlet and upper wind deflector, above leads
Air channel in being formed between aerofoil and lower wind deflector, lower wind deflector lower section is lower air duct；The horizontal branch that above-mentioned more are parallel to each other
Supporting rod includes：Positioned at the support link in the upper air duct exit, the support link at middle ducting outlet, positioned at vibration
Sieve top and some support links in same level height, being not entirely in above vibratory sieve lower conveyor structure
Some support links of same level height.
The step of measuring method also includes adjusting wind deflector guide angle according to sensor probe gathered data.
Beneficial effects of the present invention：
That user can easily measure the parameters such as wind speed, wind direction and air quantity inside cleaning room, help user according to
The species of cereal, the optimal parameter of each position in arrangement adjustment wind field, optimal effect is cleaned to obtain.
Brief description of the drawings
Fig. 1 is the distribution schematic diagram that each collection point is longitudinally gone up in cleaning room；
Fig. 2 is the scheme of installation of support link and sensor probe.
Embodiment
In order to illustrate technical scheme and technical purpose, below in conjunction with the accompanying drawings and specific embodiment is done to the present invention
It is further to introduce.
The top of cleaning chamber of combined harvester internal vibration sieve 9 is provided with preceding threshing cylinder 1 and rear threshing roller 7, vibratory sieve 9
Lower section is provided with conveying mechanism, and the conveying mechanism includes defeated grain auger 6 etc., and the blower fan 2 is located at vibratory sieve lower conveyor structure
Side.The top of cleaning room is formed between threshing cylinder and vibratory sieve 9, is formed between the lower section of vibratory sieve 9 and blower fan 2, frame 3
The bottom of cleaning room.
Cleaning chamber of combined harvester Wind field measurement device of the present invention, including sensor, mounting frame for sensor and induced draft fan
Structure etc..
The mounting bracket includes the more support links 11 being horizontally installed in cleaning room, the bar of every support link 11
Body is provided with some clamp button of the spring 10, and for fixing sensor probe 13, and every support link 11 is furnished with least one sensing
Device probe 13, the sensor probe 13 is connected by cable 14 with control system.During installation, the both ends of support link 11 are fixed
In the side wall of cleaning room, it is parallel to each other between each support link 11, the Spring Card of the corresponding precedence in different support links 11
Button 10 is front and rear to align, and the clamp button of the spring 10 set in each support link 11 constitutes a buckle array.
For the ease of the collection and analysis of Wind parameters in wind, the support link 11 of transverse direction is set as perpendicular to cleaning room blower fan
The air-out direction of 2 air outlets.The sensor can be one kind or more in air velocity transducer, wind transducer or air flow sensor
Kind, it is used separately as the collection of the parameters such as wind speed field, wind direction and air quantity.
Adjustable wind deflector is oriented to being provided with close to the position of the air outlet of blower fan 2, the wind deflector includes the upper He of wind deflector 4
Lower wind deflector 5, between the upper edge of fan outlet and upper wind deflector 4, between upper wind deflector 4 and lower wind deflector 5, fan outlet
The air channel of upper, middle and lower three is formed between lower edge and lower wind deflector 5 respectively.
The mounting bracket includes some support links 11 in same level height positioned at the top of vibratory sieve 9, position
Some support links 11 above the lower conveyor structure of vibratory sieve 9, at least support link positioned at upper air duct exit
11 and at least support link 11 at middle ducting outlet.And support link and sensor whether are installed in lower air duct to be needed
Selected according to actual conditions.Because lower wind deflector 5 is closer to defeated grain auger 6, the lower section warehouse of wind deflector 5 can pile with present for harvesting
Cereal, sensor is not set typically in lower air duct.
By taking the measurement of wind speed field as an example, above-mentioned cleaning chamber of combined harvester wind field（Wind speed field）Measuring method, including it is following
Step:
（One）In cleaning room wind field, the air-out direction in face of blower fan 2 selectes eight parameter acquisition points 8, including positioned at shaking
The collection point of sustained height at the three of the dynamic top of sieve 9, at one that upper air duct air outlet goes out collection point, positioned at middle ducting outlet
Collection point at the one of place, at three above defeated grain auger 6 different height position collection point.Then existed according to each collection point
Horizontal direction where in wind field arranges each support link 11, and a spring is respectively provided with the both ends of every support link 11 and centre
Buckle 10, make the clamp button of the spring for corresponding to precedence in each support link 11 is front and rear to align, form three row buckle files；
（Two）It is located in each support link on the clamp button of the spring 10 of the first file and installs sensor probe No. 1 to No. 8, such as
Shown in Fig. 1；
（Three）Behind the direction for adjusting each air inlet 12 of sensor probe 13, detected, one wind field vertical section of completion
Parameter acquisition；
（Four）1 to No. 8 probe is removed on the clamp button of the spring 10 installed among each support link, repeats adjustment probe air intake
The step of mouth 12, detection and dismounting probe, it is sequentially completed the parameter acquisition of second, third wind field vertical section.So as to be collected into
Three longitudinal directions in wind field, the wind speed parameter of totally 24 collection points in eight transverse directions, complete the measurement of primary air velocity field.
After primary air velocity field measurement is completed, the guiding for the data point reuse wind deflector that user can gather according to sensor probe
Angle.
For same cereal, in its watering and separation procedure, apply different wind speed fields to it, the cleaning efficiency obtained
It is different.In the case where wind field each position optimal parameter determines, measurement apparatus and measuring method of the present invention can aid in user light
Arrangement adjustment wind field.In the case of the setting of optimal wind field is uncertain, user can pass through measurement apparatus of the present invention and measuring method
Adjust and test repeatedly, to measure the wind field that can obtain preferable cleaning efficiency.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, the present invention
Claimed scope is by appended claims, specification and its equivalent thereof.
Claims (10)
1. cleaning chamber of combined harvester Wind field measurement device, including sensor and mounting frame for sensor, it is characterised in that：Institute
Stating mounting bracket includes the more support links being horizontally installed in cleaning room（11）, every support link (11) is equipped with least one
Individual sensor probe (13);The support link（11）Between be parallel to each other, support link（11）Both ends be fixed on cleaning room
Side wall on, its body of rod be provided with more than one fixation sensor probe（13）Buckle, in more support links（11）On
In the buckle array of buckle composition, including more than two buckle files；The sensor is air velocity transducer, wind transducer
Or the one or more in air flow sensor.
2. cleaning chamber of combined harvester Wind field measurement device according to claim 1, it is characterised in that:The support link
（11）Perpendicular to cleaning room blower fan（2）The air-out direction of air outlet.
3. cleaning chamber of combined harvester Wind field measurement device according to claim 1, it is characterised in that:The buckle is bullet
Spring buckle.
4. cleaning chamber of combined harvester Wind field measurement device according to claim 1, it is characterised in that：In each support link
Adjacent buckle equi-spaced apart.
5. the cleaning chamber of combined harvester Wind field measurement device according to any claim in claim 1-4, it is characterised in that：
Close to blower fan（2）The position of air outlet, which is provided with, is oriented to adjustable wind deflector, and the wind deflector includes upper wind deflector（4）Led with
Aerofoil（5）, upper edge and the upper wind deflector of fan outlet（4）Between form upper air duct, upper wind deflector（4）With lower wind deflector（5）
Between formed in air channel, lower wind deflector（5）Lower section is lower air duct；The mounting bracket is included positioned at the upper air duct exit
An at least support link（11）With at least support link at the middle ducting outlet（11）.
6. cleaning chamber of combined harvester Wind field measurement device according to claim 5, it is characterised in that：Cleaning room internal vibration
Sieve（9）Top be provided with threshing cylinder, the lower section of vibratory sieve (9) is provided with conveying mechanism, the blower fan（2）Below vibratory sieve
The side of conveying mechanism；The mounting bracket also includes being located at vibratory sieve（9）The support link of top（11）, under vibratory sieve
Support link above square conveying mechanism.
7. cleaning chamber of combined harvester Wind field measurement device according to claim 6, it is characterised in that：On vibratory sieve
Some support links of side（11）In same level height.
8. cleaning chamber of combined harvester Wind field measurement method, it is characterised in that comprise the following steps:
（One）In cleaning room wind field, the air-out direction in face of blower fan selectes some parameter acquisition points, according to each collection point in wind
The more cross-brace being parallel to each other connecting rods are arranged in lateral attitude where in, and multiple be used for is set in every support link
The buckle of fixed sensor probe, certain distance is left by the adjacent buckle in same support link, and make each support link it
Between correspond to precedence buckle it is front and rear align, form buckle array；
（Two）In above-mentioned buckle array, at least sensor probe will be installed on the buckle of a file；
（Three）Behind the direction for adjusting sensor probe air inlet, detected, the parameter for completing at least one wind field vertical section is adopted
Collection, into step（Four）；
（Four）It will pop one's head in and remove installed in other at least on the buckle of a file, repeat step（Three）, until being sequentially completed each
The parameter acquisition of wind field vertical section where buckle file；
In above-mentioned steps, the sensor is the one or more in air velocity transducer, wind transducer or air flow sensor.
9. cleaning chamber of combined harvester Wind field measurement method according to claim 8, it is characterised in that：
The top of cleaning room internal vibration sieve is provided with threshing cylinder, and the lower section of vibratory sieve is provided with conveying mechanism, and the blower fan, which is located at, to shake
The side of dynamic sieve lower conveyor structure, wind deflector is being set close to the position of fan outlet, the wind deflector includes upper wind-guiding
Plate and lower wind deflector, make to form upper air duct between the upper edge of fan outlet and upper wind deflector, upper wind deflector and lower wind deflector it
Between formed in air channel, be lower air duct below lower wind deflector；
The cross-brace connecting rod that above-mentioned more are parallel to each other includes：
Support link positioned at the upper air duct exit；
Support link at middle ducting outlet；
Above vibratory sieve and in same level height some support links；
Some support links for being not entirely in same level height above vibratory sieve lower conveyor structure.
10. cleaning chamber of combined harvester Wind field measurement method according to claim 9, it is characterised in that including according to biography
The step of sensor probe gathered data adjustment wind deflector guide angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721315.XA CN105230233B (en) | 2015-10-30 | 2015-10-30 | Cleaning chamber of combined harvester Wind field measurement device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721315.XA CN105230233B (en) | 2015-10-30 | 2015-10-30 | Cleaning chamber of combined harvester Wind field measurement device and method |
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| Publication Number | Publication Date |
|---|---|
| CN105230233A CN105230233A (en) | 2016-01-13 |
| CN105230233B true CN105230233B (en) | 2017-12-22 |
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| CN201510721315.XA Active CN105230233B (en) | 2015-10-30 | 2015-10-30 | Cleaning chamber of combined harvester Wind field measurement device and method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109186929B (en) * | 2018-07-26 | 2020-06-26 | 江苏大学 | Assembly quality detection device and method for air screen cleaning system based on streamline spectrum |
| CN109443420B (en) * | 2018-09-03 | 2021-02-12 | 江苏大学 | Quality detection device and detection method for combined harvester fan |
| CN109092688A (en) * | 2018-10-14 | 2018-12-28 | 山西农业大学 | Winnowing type grain cleaning experimental rig |
| CN110637591B (en) * | 2019-08-29 | 2021-11-23 | 江苏大学 | Double-screen cleaning chamber space flow field measuring device, combine harvester and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2216736Y (en) * | 1994-12-30 | 1996-01-10 | 梅长江 | Frame for cultivation of vegetable |
| CN200976007Y (en) * | 2006-10-19 | 2007-11-14 | 太原中北新缘科技中心 | Wind speed probe device for meteorological sensor |
| US20130095899A1 (en) * | 2011-10-18 | 2013-04-18 | Cnh America Llc | Wind compensation of residue spread width |
| CN104707798A (en) * | 2013-12-12 | 2015-06-17 | 山东亿恺仓储工程有限公司 | Air duct device having adjusting display device |
| CN205124357U (en) * | 2015-10-30 | 2016-04-06 | 农业部南京农业机械化研究所 | Combine cleans room wind field measuring device |
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Address after: 210014 No. 100 Liu Ying camp, Zhongshan gate, Xuanwu District, Jiangsu, Nanjing Patentee after: Institute of agricultural mechanization of the agricultural and Rural Ministry of Nanjing Address before: 210014 No. 100 Liu Ying camp, Zhongshan gate, Xuanwu District, Jiangsu, Nanjing Patentee before: Nanjing Agriculture Mechanization Inst., Ministry of Agriculture |
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