CN109937684B - Cereal grain impurity content monitoring device and monitoring method - Google Patents

Cereal grain impurity content monitoring device and monitoring method Download PDF

Info

Publication number
CN109937684B
CN109937684B CN201910123105.9A CN201910123105A CN109937684B CN 109937684 B CN109937684 B CN 109937684B CN 201910123105 A CN201910123105 A CN 201910123105A CN 109937684 B CN109937684 B CN 109937684B
Authority
CN
China
Prior art keywords
grain
box
impurity
collecting
collecting barrel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910123105.9A
Other languages
Chinese (zh)
Other versions
CN109937684A (en
Inventor
徐立章
柴晓玉
苗丰凯
李耀明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University
Original Assignee
Jiangsu University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu University filed Critical Jiangsu University
Priority to CN201910123105.9A priority Critical patent/CN109937684B/en
Publication of CN109937684A publication Critical patent/CN109937684A/en
Application granted granted Critical
Publication of CN109937684B publication Critical patent/CN109937684B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention provides a device and a method for monitoring impurity rate of grain seeds, which are positioned outside a grain conveying device, wherein the side wall of the grain conveying device is provided with a grain collecting port and a grain discharging port which are arranged up and down, and the detecting device comprises: the grain collecting device is arranged at the grain collecting opening; the grain unloading device is arranged at the grain unloading opening, is positioned below the grain collecting device and is connected with the grain collecting device through a first pipeline; the seed and impurity separating device comprises an air suction mechanism, an airflow pipeline, an impurity collecting barrel and a filter screen, wherein the air suction mechanism is communicated with the top wall of the impurity collecting barrel through the airflow pipeline, the side wall of the impurity collecting barrel is communicated with the first pipeline, and the filter screen is arranged in the impurity collecting barrel and is positioned above the first pipeline; the impurity detection device comprises a control device and two pressure sensors which are respectively arranged at the bottom of the impurity collecting barrel and the bottom of the grain unloading device; the invention can monitor the impurity content of grain seeds on line, so that a harvester manipulator can know the impurity information in the grain tank in real time.

Description

Cereal grain impurity content monitoring device and monitoring method
Technical Field
The invention relates to the field of agricultural machinery, in particular to a device for monitoring impurity content of grain kernels.
Background
The grain impurity content rate is an important index of the harvest performance of the combine harvester, the prior art related to the real-time automatic grain impurity content rate monitoring device of the combine harvester in China is few, and the literature retrieval finds that the prior art discloses a grain cleaning and impurity content rate monitoring device. The prior art also provides a detection device for detecting the impurity content in the grain bin in real time, wherein the detection device is used for acquiring the grain image in the grain bin and processing the image to obtain the impurity content. The method obtains the impurity rate by processing the acquired image. Because miscellaneous gesture can receive seed grain to shelter from in the picture of shooing, miscellaneous surplus detection precision receives the influence of miscellaneous position in the picture of shooing.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device for monitoring the impurity content of grain seeds, which can monitor the impurity content of grain seeds on line and enable a harvester manipulator to know the impurity information in a grain tank in real time.
The present invention achieves the above-described object by the following technical means.
The utility model provides a cereal seed grain miscellaneous rate monitoring devices, is located defeated grain device outside, and this defeated grain device's lateral wall has the grain mouth of adopting, unloads the grain mouth that sets up from top to bottom, and this detection device includes:
the grain collecting device comprises a grain collecting box and a grain collecting box reciprocating cover plate, wherein the grain collecting box is arranged at a grain collecting opening, and the grain collecting box reciprocating cover plate is used for controlling the grain collecting opening and the grain collecting box to be switched on and off;
the grain unloading device comprises a grain unloading box and a grain unloading box reciprocating cover plate, wherein the grain unloading box is arranged at a grain unloading opening, the grain unloading box reciprocating cover plate is used for controlling the on-off of the grain unloading opening and the grain unloading box, and the bottom end of the grain collecting box is communicated with the grain unloading box through a first pipeline;
the grain and impurity separating device comprises an air suction mechanism, an airflow pipeline, an impurity collecting barrel and a filter screen, wherein the side wall of the impurity collecting barrel is communicated with the first pipeline through a second pipeline, the filter screen is positioned in the impurity collecting barrel and above the second pipeline, the top end of the impurity collecting barrel is communicated with the air suction mechanism through the airflow pipeline, the bottom end of the impurity collecting barrel is provided with a bottom plate, and one end of the bottom plate is hinged with the bottom end of the side wall of the impurity collecting barrel;
miscellaneous detection device that remains, miscellaneous detection device include controlling means and with two pressure sensor that controlling means connects, two pressure sensor install respectively in miscellaneous collection bucket's bottom plate and unload on the bottom of grain box, controlling means still with adopt the grain device unload the grain device and the miscellaneous separator that remains of seed grain is connected, in order to control respectively adopt the grain box to come and go the apron, unload the grain box and come and go the apron and the opening and closing of bottom plate.
Preferably, the grain collecting device further comprises a first driving mechanism, the first driving mechanism is connected with the grain collecting box reciprocating cover plate and controls the grain collecting box reciprocating cover plate to move up and down, and the first driving mechanism is connected with the control device.
Preferably, unload grain device still includes second actuating mechanism, second actuating mechanism with unload the grain box and come and go the apron and be connected, control unload the grain box and come and go the apron and move from top to bottom, second actuating mechanism with controlling means connects.
Preferably, the grain and impurity separating device further comprises an electric push rod, a sliding block and a sliding rail, the sliding rail is fixed to one end of the bottom plate of the impurity collecting barrel and located on the same plane with the bottom plate of the impurity collecting barrel, the sliding block is connected with the sliding rail in a sliding mode, the electric push rod is fixedly connected with the sliding block and drives the sliding block to slide, so that the bottom plate of the impurity collecting barrel rotates around the hinged end, and the electric push rod is connected with the control device.
Preferably, the air suction mechanism comprises a variable frequency motor and a fan, the variable frequency motor is connected with the fan, the fan is connected with the airflow pipeline, and the variable frequency motor is connected with the control device.
Preferably, the grain collecting box is funnel-shaped.
Preferably, unload the grain box and have the right side wall and with the right side wall relative left side wall, the right side wall is connected with the lateral wall of defeated grain device, the left side wall is from last to down to the slope of right side wall, and the bottom of right side wall is connected with the bottom of left side wall.
The invention also provides a monitoring method of the device for monitoring the impurity content of the cereal grains, which comprises the following steps:
opening a bottom plate of the sundries collecting barrel, and opening a grain unloading box reciprocating cover plate to enable a grain unloading opening to be communicated with the grain unloading box, so that no grains are in the grain unloading box;
closing the bottom plate of the impurity collecting barrel and the grain unloading box reciprocating cover plate, and opening the grain collecting box reciprocating cover plate to communicate the grain collecting box with the grain collecting port;
starting the air suction mechanism, enabling a sample to enter the grain collection box from a grain collection port, enabling grains to fall into the grain unloading box from the grain collection box, and enabling sundries to enter the sundry residue collection barrel;
after a certain time, the air suction mechanism is closed, and the sundries in the sundry collecting barrel fall onto the bottom plate;
the two pressure sensors transmit the measured gravity signals to the control device, and the control device calculates the impurity rate;
opening a bottom plate of the impurity collecting barrel to enable all impurities to be discharged out of the impurity collecting barrel;
and opening the grain unloading box to reciprocate the cover plate, so that all grains in the grain unloading box enter the grain conveying device.
The invention has the beneficial effects that:
1) the grain conveying device is provided with the grain collecting port and the grain discharging port which are respectively communicated with the grain collecting box and the grain discharging box, the grain and impurity separating device is arranged to absorb impurity in a sample falling from the grain collecting box to the grain discharging box, the impurity falls into the impurity collecting barrel, the pressure sensors are arranged at the bottoms of the impurity collecting barrel and the grain collecting box, the control device utilizes the two pressure sensors to obtain a gravity signal to calculate the impurity content rate, and the impurity content rate is transmitted to the cab, so that the grain and grain content rate can be monitored on line, and a harvester manipulator can know the impurity information in the grain box in real time.
2) The invention directly takes samples from the grain conveying device, reduces the lag time of measuring the impurities in the grain tank, has more real and reliable detection result, is fixed on the rack of the grain conveying device, does not occupy the space in the grain tank, and is convenient to install and maintain.
3) The air suction mechanism of the invention consists of the variable frequency motor and the fan, can control the suction force of the fan by changing the rotating speed of the variable frequency motor according to the different floating speeds of the harvested crop materials, and can be applied to the detection of various crops.
4) The invention is not only limited to the harvester, but also can be applied to grain conveying devices of grain bins and grain collecting stations to obtain the impurity rate of the stored grains.
5) The impurity rate detection device has the advantages that the collection box is arranged in a funnel shape, the grain unloading box is a conical box, accurate measurement of impurity rate of samples each time is guaranteed, and grain accumulation in corners of the square box is avoided.
6) The sample impurity measured by the impurity rate detection device is directly discharged out of the machine, so that the impurity content in the grain bin is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a device for monitoring impurity content of cereal grains according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a trash collecting barrel according to an embodiment of the invention.
Reference numerals:
1-a grain conveying device; 2-the grain collecting box goes back and forth; 3-a first drive mechanism; 4-collecting grain box; 5-grain collecting mouth; 6-miscellaneous; 7-filtering with a filter screen; 8-a miscellaneous collecting barrel; 9-an air flow conduit; 10-a fan; 11-a variable frequency motor; 12-a scaffold; 13-a pressure sensor; 14-a control device; 15-a slide block: 16 electric push rod; 17-unloading the grain box; 18-a second drive mechanism; 19-grain unloading port; 20-unloading the grain box to and fro the cover plate; 21-kernel.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
First, a cereal grain impurity content monitoring device according to an embodiment of the present invention is described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a device for monitoring the impurity content of grains according to the present invention is located outside a grain conveying device, the sidewall of the grain conveying device has a grain collecting port 5 and a grain discharging port 19, which are vertically disposed, and the monitoring device is mounted on a support 12 and includes a grain collecting device, a grain discharging device, a grain and impurity separating device, and an impurity detecting device.
It is specific, adopt the grain device including adopting grain box 4, adopt grain box to come and go apron 2 and first actuating mechanism 3, adopt grain box 4 to install in adopting grain mouth 5 department, be equipped with the opening on adopting grain box 4 with adopting the lateral wall that grain mouth 5 corresponds, so that adopt grain box 4 and adopt grain mouth 5 intercommunication, adopt grain box to come and go apron 2 and be connected with first actuating mechanism 3, under the drive of first actuating mechanism 3, adopt grain box to come and go apron 2 laminating and adopt grain mouth 5 back and forth movement, in order to control to adopt grain mouth 5 and adopt the break-make of grain box 4.
The grain unloading device comprises a grain unloading box 17, a second driving mechanism 18 and a grain unloading box reciprocating cover plate 20, the grain unloading box 17 is installed at a grain unloading opening 19, the grain unloading box 17 is provided with a front side wall, a rear side wall, a left side wall, a right side wall and a top wall, the right side wall is connected with the grain conveying device, an opening communicated with the grain unloading opening 19 is formed in the right side wall, the left side wall is an inclined plane inclined from top to bottom towards the right side wall, and the left side wall is connected with the front side wall, the rear side wall, the right side wall and the top wall, so that the grain unloading box 17 is conical, and grains in the grain unloading box 17 can fall into the grain conveying device through the grain unloading opening 19; the grain unloading box reciprocating cover plate 20 is connected with the second driving mechanism 18, and under the driving of the second driving mechanism 18, the grain unloading box reciprocating cover plate 20 is attached to the grain unloading opening 19 to reciprocate up and down so as to control the on-off of the grain unloading opening 19 and the grain unloading box 17.
Adopt the roof intercommunication of grain box 17 with unloading through first pipeline in the bottom of grain box 4, in order to make the sample in adopting grain box 4 can all whereabouts, adopt grain box 4 to set up to leaking hopper-shaped.
The grain and impurity separating device comprises an air suction mechanism, an airflow pipeline 9, an impurity collecting barrel 8, a filter screen 7 electric push rod 16, a slide block 15 and a slide rail, the side wall of the impurity collecting barrel 8 is communicated with a first pipeline through a second pipeline, the filter screen 7 is positioned in the impurity collecting barrel 8 and positioned above the second pipeline, the top end of the impurity collecting barrel 8 is communicated with the air suction mechanism through the airflow pipeline 9, after the air suction mechanism is started, high-speed airflow flowing to the air suction mechanism is generated, a sample enters the grain collecting box 4 through a grain conveying device, grains fall into the grain unloading box 17 under the action of gravity, impurities in the sample finally enter the impurity collecting barrel 8 along with the movement of the airflow in the pipeline, and the air flow speed is reduced because the cross section area of the impurity collecting barrel 8 is larger than that of the airflow pipeline 9, and impurities enter the impurity collecting barrel due to the blocking effect of the filter screen 7. After the air suction mechanism stops working, the small impurity adsorbed on the filter screen 7 falls into the impurity collecting barrel 8.
As shown in fig. 2, a bottom plate is arranged at the bottom end of the miscellaneous waste collecting barrel 8, one end of the bottom plate is hinged to the bottom end of the side wall of the miscellaneous waste collecting barrel 8, the slide rail is fixed at one end of the bottom plate of the miscellaneous waste collecting barrel 8 and is located on the same plane with the bottom plate of the miscellaneous waste collecting barrel 8, the slide block 15 is slidably connected with the slide rail, the electric push rod 16 is fixedly connected with the slide block 15, and the electric push rod 16 acts to drive the slide block 15 to slide along the slide rail, so that the bottom plate of the miscellaneous waste collecting barrel 8 rotates around the hinged end to open and close the bottom of the miscellaneous waste collecting barrel 8. When the miscellaneous waste is required to be discharged out of the miscellaneous waste collecting barrel 8, the bottom of the miscellaneous waste collecting barrel 8 can be opened by starting the electric push rod 16.
In order to be applied to the detection of various crops, the air suction mechanism comprises a variable frequency motor 11 and a fan 10, the variable frequency motor 11 is connected with the fan 10, the fan 10 is connected with the airflow pipeline 9, and the suction force of the fan 10 can be controlled by changing the rotating speed of the variable frequency motor 11 according to the different floating speeds of the harvested crop materials.
Miscellaneous detection device includes controlling means 14 and two pressure sensor 13, two pressure sensor 13 are installed respectively on the bottom plate of miscellaneous surplus collecting vessel 8 and the left side wall bottom of unloading the grain box 17, two pressure sensor 13, first actuating mechanism 3, second actuating mechanism 18, inverter motor 11 and electric putter 16 all are connected with controlling means 14, controlling means 14 controls respectively and adopts the grain box to come and go apron 2, unload the grain box and come and go the opening and closing of apron 20 and miscellaneous collecting vessel 8 bottom plate, and according to the gravity signal that two pressure sensor 13 record, the miscellaneous rate that contains of analysis out sample, data real-time transmission to the driver's cabin with the analysis, make the harvester driver can know the interior miscellaneous information of grain box in real time.
The monitoring method of the cereal grain impurity content monitoring device provided by the embodiment of the invention comprises the following steps:
the method comprises the following steps: the control device 14 controls the electric push rod 16 to open the bottom plate of the impurity collecting barrel 8 to ensure that no impurity exists in the impurity collecting barrel 8, and controls the first driving mechanism 3 to open the grain unloading box to reciprocate the cover plate 20, so that the grain unloading port 19 is communicated with the grain unloading box 17 to ensure that no seed grains exist in the grain unloading box 17;
step two: the control device 14 controls the electric push rod 16 to close the bottom plate of the impurity collecting barrel 8, controls the second driving mechanism 18 to close the grain unloading box reciprocating cover plate 20, and controls the first driving mechanism 3 to open the grain collecting box reciprocating cover plate 2, so that the grain collecting box 4 is communicated with the grain collecting port 5;
step three: the control device 14 starts the air suction mechanism, a sample enters the grain collection box 4 from the grain collection port 5, the grains 21 fall into the grain discharge box 17 from the grain collection box 4 due to the action of gravity, and the impurities 6 enter the impurities collection barrel 8 under the action of air flow;
step four: after a certain time, the control device 14 closes the air suction mechanism, and the small impurities 6 adsorbed on the filter screen 7 fall onto the bottom plate;
step five: the two pressure sensors 13 transmit the measured gravity signals to the control device, the control device 4 calculates the impurity rate and transmits the impurity rate to the cab;
step six: the control device 14 controls the bottom plate of the impurity collecting barrel 8 to be opened, so that the impurity 6 is completely discharged out of the impurity collecting barrel 8;
step seven: the control device 14 controls the grain unloading box to move back and forth to open the cover plate 20, so that the detected grains 21 in the grain unloading box 17 enter the grain conveying device again from the grain unloading opening 19 and finally enter the grain tank, and the impurity content in the grain tank is reduced.
Step eight: and repeating the third step to the seventh step until the monitoring is finished.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.

Claims (8)

1. The utility model provides a cereal seed grain miscellaneous rate monitoring devices, is located defeated grain device outside, and this defeated grain device's lateral wall has the grain mouth of adopting (5), unloads grain mouth (19) that set up from top to bottom, its characterized in that includes:
the grain collecting device comprises a grain collecting box (4) and a grain collecting box reciprocating cover plate (2), wherein the grain collecting box (4) is arranged at a grain collecting opening (5), and the grain collecting box reciprocating cover plate (2) is used for controlling the grain collecting opening (5) and the grain collecting box (4) to be switched on and off;
the grain unloading device comprises a grain unloading box (17) and a grain unloading box reciprocating cover plate (20), the grain unloading box reciprocating cover plate (20) is installed at a grain unloading opening (19), the grain unloading box reciprocating cover plate (20) is used for controlling the on-off of the grain unloading opening (19) and the grain unloading box (17), and the bottom end of the grain collecting box (4) is communicated with the grain unloading box (17) through a first pipeline;
the grain and impurity separating device comprises an air suction mechanism, an airflow pipeline (9), an impurity collecting barrel (8) and a filter screen (7), wherein the side wall of the impurity collecting barrel (8) is communicated with the first pipeline through a second pipeline, the filter screen (7) is positioned in the impurity collecting barrel (8) and above the second pipeline, the top end of the impurity collecting barrel (8) is communicated with the air suction mechanism through the airflow pipeline (9), the bottom end of the impurity collecting barrel (8) is provided with a bottom plate, and one end of the bottom plate is hinged to the bottom end of the side wall of the impurity collecting barrel (8);
miscellaneous detection device that remains, miscellaneous detection device include controlling means (14) and with two pressure sensor (13) that controlling means (14) are connected, two pressure sensor (13) install respectively in the bottom plate of miscellaneous collection bucket (8) that remains and unload on the bottom of grain box (17), controlling means (14) still with adopt the grain device unload the grain device and the miscellaneous separator connection of seed grain is controlled respectively adopt the grain box to come and go apron (2), unload the grain box and come and go apron (20) and the opening and closing of bottom plate.
2. The cereal grain impurity rate monitoring device according to claim 1, wherein the grain collection device further comprises a first driving mechanism (3), the first driving mechanism (3) is connected with the grain collection box reciprocating cover plate (2) to control the grain collection box reciprocating cover plate (2) to move up and down, and the first driving mechanism (3) is connected with the control device (14).
3. The cereal grain impurity rate monitoring device according to claim 1, wherein the grain unloading device further comprises a second driving mechanism (18), the second driving mechanism (18) is connected with the grain unloading box reciprocating cover plate (20) to control the grain unloading box reciprocating cover plate (20) to move up and down, and the second driving mechanism (18) is connected with the control device (14).
4. The cereal grain impurity content monitoring device according to claim 1, wherein the grain and impurity separating device further comprises an electric push rod (16), a sliding block (15) and a sliding rail, the sliding rail is fixed at one end of the bottom plate of the impurity collecting barrel (8) and is positioned on the same plane as the bottom plate of the impurity collecting barrel (8), the sliding block (15) is connected with the sliding rail in a sliding manner, the electric push rod (16) is fixedly connected with the sliding block (15), the sliding block (15) is driven to slide, so that the bottom plate of the impurity collecting barrel (8) rotates around a hinged end, and the electric push rod (16) is connected with the control device (14).
5. The cereal grain impurity content monitoring device according to claim 1, wherein the air suction mechanism comprises a variable frequency motor (11) and a fan (10), the variable frequency motor (11) is connected with the fan (10), the fan (10) is connected with the air flow pipeline (9), and the variable frequency motor (11) is connected with the control device (14).
6. The cereal grain inclusion rate monitoring device of claim 1, wherein the grain collection box (4) is funnel-shaped.
7. The cereal grain impurity rate monitoring device of claim 1, wherein the grain unloading box (17) has a right side wall and a left side wall opposite to the right side wall, the right side wall is connected with the side wall of the grain conveying device, the left side wall is inclined from top to bottom to the right side wall, and the bottom end of the right side wall is connected with the bottom end of the left side wall.
8. A monitoring method using the cereal grain impurity content monitoring device of claim 1, comprising the following steps:
opening the bottom plate of the sundry residue collecting barrel (8), and opening the grain unloading box reciprocating cover plate (20) to communicate a grain unloading opening (19) with the grain unloading box (17) so as to ensure that no seed grains exist in the grain unloading box (17);
closing a bottom plate of the impurity collecting barrel (8) and the grain unloading box reciprocating cover plate (20), and opening the grain collecting box reciprocating cover plate (2) to communicate the grain collecting box (4) with the grain collecting opening (5);
starting the air suction mechanism, enabling a sample to enter the grain collection box (4) from the grain collection opening (5), enabling grains (21) to fall into the grain discharge box (17) from the grain collection box (4), and enabling sundries (6) to enter the sundry residue collection barrel (8);
after a certain time, the air suction mechanism is closed, and the sundries (6) in the sundry collecting barrel (8) fall onto the bottom plate;
the two pressure sensors (13) transmit the measured gravity signals to the control device (14), and the control device (14) calculates the impurity rate;
opening the bottom plate of the impurity collecting barrel (8) to enable the impurities (6) to be completely discharged out of the impurity collecting barrel (8);
and opening the grain unloading box to-and-fro cover plate (20) to ensure that all the grains (21) in the grain unloading box (17) enter the grain conveying device.
CN201910123105.9A 2019-02-18 2019-02-18 Cereal grain impurity content monitoring device and monitoring method Active CN109937684B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910123105.9A CN109937684B (en) 2019-02-18 2019-02-18 Cereal grain impurity content monitoring device and monitoring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910123105.9A CN109937684B (en) 2019-02-18 2019-02-18 Cereal grain impurity content monitoring device and monitoring method

Publications (2)

Publication Number Publication Date
CN109937684A CN109937684A (en) 2019-06-28
CN109937684B true CN109937684B (en) 2021-09-10

Family

ID=67006842

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910123105.9A Active CN109937684B (en) 2019-02-18 2019-02-18 Cereal grain impurity content monitoring device and monitoring method

Country Status (1)

Country Link
CN (1) CN109937684B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113019917B (en) * 2021-03-08 2022-04-22 山东省农业机械科学研究院 Corn grain impurity content detection device and detection method
CN113170651A (en) * 2021-05-25 2021-07-27 潍柴雷沃重工股份有限公司 Granary, granary grain uniform distribution control method and harvester

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0908086A1 (en) * 1997-10-09 1999-04-14 CLAAS Selbstfahrende Erntemaschinen GmbH Device for moisture measuring of grain in harvesting machines
CN105723956A (en) * 2016-03-22 2016-07-06 湖南省农广农业装备有限公司 External air suction grain cleaning device
CN206891112U (en) * 2017-04-18 2018-01-16 龙鼎(内蒙古)农业股份有限公司 Cirulation type grain sheds drying tower
CN107884300A (en) * 2017-11-10 2018-04-06 农业部南京农业机械化研究所 A kind of cereal percentage of damage, percentage of impurity detection means and detection method
CN207655492U (en) * 2017-12-11 2018-07-27 中国科学院合肥物质科学研究院 A kind of grain cleaning and percentage of impurity monitoring device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9474208B2 (en) * 2011-11-15 2016-10-25 Appareo Systems, Llc System and method for determining material yield and/or loss from a harvesting machine using acoustic sensors
DE102013107169A1 (en) * 2013-07-08 2015-01-08 Claas Selbstfahrende Erntemaschinen Gmbh Agricultural harvester

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0908086A1 (en) * 1997-10-09 1999-04-14 CLAAS Selbstfahrende Erntemaschinen GmbH Device for moisture measuring of grain in harvesting machines
CN105723956A (en) * 2016-03-22 2016-07-06 湖南省农广农业装备有限公司 External air suction grain cleaning device
CN206891112U (en) * 2017-04-18 2018-01-16 龙鼎(内蒙古)农业股份有限公司 Cirulation type grain sheds drying tower
CN107884300A (en) * 2017-11-10 2018-04-06 农业部南京农业机械化研究所 A kind of cereal percentage of damage, percentage of impurity detection means and detection method
CN207655492U (en) * 2017-12-11 2018-07-27 中国科学院合肥物质科学研究院 A kind of grain cleaning and percentage of impurity monitoring device

Also Published As

Publication number Publication date
CN109937684A (en) 2019-06-28

Similar Documents

Publication Publication Date Title
CN105163575B (en) Combine harvester
CN109937684B (en) Cereal grain impurity content monitoring device and monitoring method
JP6444491B2 (en) Combine and grain evaluation control device for combine
AU2010249182B2 (en) Crop sample presentation system
EP3038054A2 (en) Grain quality monitoring
CN114430992A (en) Grain grade grain monitoring system for combine harvester
CN111034475A (en) Cleaning test device
EP3158850B1 (en) Pneumatic grain level sensor
CN114451132B (en) Real-time monitoring device and monitoring method for corn cleaning loss
RU2658981C2 (en) Operating state detection system for working machine with fusion considering sensor value reliability
RU2460270C2 (en) Self-propelled track-typed grain harvester
CN207147533U (en) A kind of Miniature digital rice species test machine
EP3459339A1 (en) Operator adjustable continuous bin level measurement
WO2015152362A1 (en) Combine
JP5732445B2 (en) Combine
CN209861615U (en) Loss detection device of grain harvester
CN209597247U (en) A kind of rice mill Ji Kang mechanism and its rice mill
CN219780942U (en) Impurity-containing and crushing detection system and harvester
EP3473074B1 (en) Method and system for unloading harvested crop from an agricultural harvester
CN112345559A (en) Online grain moisture detection device and detection method of combine harvester
CN214584401U (en) Breed disease prevention serum separator
CN215811155U (en) Cotton seed meal decrement weigher
CN216960810U (en) Intelligent granary of harvester
CN113019917B (en) Corn grain impurity content detection device and detection method
CN115067079B (en) Automatic pick up mobile device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant