CN110583170B - Air-suction type seeder fan assembly - Google Patents

Air-suction type seeder fan assembly Download PDF

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Publication number
CN110583170B
CN110583170B CN201910870142.6A CN201910870142A CN110583170B CN 110583170 B CN110583170 B CN 110583170B CN 201910870142 A CN201910870142 A CN 201910870142A CN 110583170 B CN110583170 B CN 110583170B
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China
Prior art keywords
fan assembly
fixedly connected
seeder
sides
air
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CN201910870142.6A
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Chinese (zh)
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CN110583170A (en
Inventor
张金全
李业锋
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Shandong LianBo Intelligent Manufacturing Research Institute Co.,Ltd.
Shandong Wohua Agricultural Science and Technology Co.,Ltd.
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Shandong Wohua Agricultural Science And Technology Co ltd
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Priority to CN201910870142.6A priority Critical patent/CN110583170B/en
Publication of CN110583170A publication Critical patent/CN110583170A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
    • A01C7/081—Seeders depositing seeds in rows using pneumatic means
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
    • A01C7/081—Seeders depositing seeds in rows using pneumatic means
    • A01C7/082—Ducts, distribution pipes or details thereof for pneumatic seeders
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
    • A01C7/16—Seeders with other distributing devices, e.g. brushes, discs, screws or slides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/20—Parts of seeders for conducting and depositing seed
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/20—Parts of seeders for conducting and depositing seed
    • A01C7/206—Seed pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a fan assembly of an air-suction type seeder, which comprises a seeder body and a control system, wherein the surface of the seeder body is movably connected with the fan assembly, the surface of the seeder body is fixedly connected with a fixed plate, two sides of the top of the fixed plate are rotatably connected with fixed columns, the back of the fan assembly is fixedly connected with an installation block, and two sides inside the installation block are provided with cylindrical holes. This air-suction type seeder fan assembly is through placing the fan assembly on the fixed plate for the inside spacing groove of installation piece slides along the fixture block, then rotates the fixed column and makes fixture block and draw-in groove adaptation, and the cooperation is changeed the cover and is rotated, drives the screw thread post up-and-down motion, thereby drives the fixture block and tightly supports the draw-in groove, realizes fixing the fan assembly, overhauls the fan assembly when changing in needs, and operation process is simple, conveniently installs the dismantlement to the fan assembly, drives certain convenient for the staff.

Description

Air-suction type seeder fan assembly
Technical Field
The invention relates to the technical field of air-suction type seeders, in particular to a fan assembly of an air-suction type seeder.
Background
A planting machine for a planter uses crop seeds as planting objects. Seeders for certain types or crops are often referred to by the name of the crop type, such as grain drill, corn hill planter, cotton planter, grass spreader, and the like. The seeder is mainly used for seeding small-sized seeds such as grains, vegetables and pasture, and is commonly used in a grain drill. During operation, the travelling wheels drive the seed sowing wheels to rotate, seeds are discharged into the seed conveying pipe from the seeds in the seed box according to the required sowing quantity, fall into the opened grooves through the furrow opener, and then are covered and compacted by the soil covering and compacting device. After emergence, the crops are in parallel and equidistant row lines. The seed drill for different crops has basically the same structure except that the seed sowing devices and the furrow openers of different types are adopted, and generally comprises a rack, a traction or suspension device, a seed box, a seed sowing device, a transmission device, a seed conveying pipe, a furrow opener, a row marker, a travelling wheel, a soil covering and compacting device and the like.
Current air-suction type seeder fan assembly is mostly direct to be installed on the seeder body through the bolt, and the screw thread rusts smooth silk easily, and the process difficulty of installation and dismantlement when needing to overhaul to change, and operation process is loaded down with trivial details, drives certain difficulty for the staff to the filter screen of fan assembly inside blocks up easily, and frequent needs are dredged, and work efficiency is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a fan assembly of an air-suction type seeder, which solves the problems that the existing fan assembly of the air-suction type seeder is difficult in installation and disassembly processes, inconvenient to operate when in need of maintenance and easy to block a filter screen in the fan assembly.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a fan assembly of an air-suction type seeder comprises a seeder body and a control system, wherein the surface of the seeder body is movably connected with the fan assembly, the surface of the seeder body is fixedly connected with a fixed plate, two sides of the top of the fixed plate are rotatably connected with fixed columns, the back of the fan assembly is fixedly connected with an installation block, two sides of the inside of the installation block are respectively provided with a cylindrical hole, the inner walls of the two cylindrical holes are respectively and fixedly connected with a circular ring wall, two sides of the top of the circular ring wall are respectively provided with a clamping groove, two sides above the outer surface of the fixed column are respectively and movably connected with clamping blocks, the outer surfaces of the two clamping blocks are respectively clamped with the inner surfaces of the clamping grooves, the front side and the back side of the inner wall of the circular ring wall are respectively provided with a limiting groove, two sides of, the improved clamping fixture comprises a fixed column, a movable column, a clamping block and a threaded seat, wherein the movable column is movably connected inside the fixed column, the two sides of the outer surface of the movable column are fixedly connected with one side of the clamping block, the threaded seat is fixedly connected above the fixed column, the threaded seat is connected with a threaded column in a threaded manner on the inner surface of the threaded seat, the two ends of the threaded column penetrate through the threaded seat and extend to the outside of the threaded seat, the bottom end of the threaded column is rotatably connected with the top end of the movable column, and the top end of the.
Preferably, the inside sliding connection of fan assembly has the filter screen, the equal fixedly connected with air jacket in both sides of filter screen bottom, the inside both sides of fan assembly just are located the equal fixedly connected with tube socket under the filter screen.
Preferably, the air inlet pipes penetrate through the pipe seats, the upper portions of the outer surfaces of the air inlet pipes are connected with the inner surface of the air sleeve in a sliding mode, and the bottom ends of the air inlet pipes penetrate through the fan assembly and extend to the outside of the fan assembly.
Preferably, the bottom fixedly connected with connecting block of fan assembly, the bottom fixedly connected with balance tube of connecting block, and the top of balance tube surface and the bottom intercommunication of intake pipe.
Preferably, the right side of the fan assembly is fixedly connected with an air pump, an air outlet of the air pump is communicated with an air outlet pipe, and the top end of the air outlet pipe is communicated with the bottom of the outer surface of the balance pipe.
Preferably, the control system comprises an input module, a central processing unit, a parameter setting module, an output module and a feedback module.
Preferably, the output end of the input module is connected with the input end of the central processing unit, the output end of the central processing unit is connected with the input end of the parameter setting module, and the output end of the parameter setting module is connected with the input end of the output module.
Preferably, the output end of the output module is connected with the input ends of the feedback module and the air pump, and the output end of the feedback module is connected with the input end of the central processing unit.
(III) advantageous effects
The invention provides a fan assembly of an air-aspiration type seeder. Compared with the prior art, the method has the following beneficial effects:
(1) the air-suction type seeder fan assembly is characterized in that the fan assembly is movably connected to the surface of the seeder body, the surface of the seeder body is fixedly connected with a fixed plate, two sides of the top of the fixed plate are respectively and rotatably connected with a fixed column, the back of the fan assembly is fixedly connected with an installation block, two sides of the inside of the installation block are respectively provided with a cylindrical hole, the inner walls of the two cylindrical holes are respectively and fixedly connected with a circular wall, two sides of the top of the circular wall are respectively provided with a clamping groove, two sides above the outer surface of the fixed column are respectively and movably connected with a clamping block, the outer surfaces of the two clamping blocks are respectively clamped with the inner surfaces of the clamping grooves, the front side and the back side of the inner wall of the circular wall are respectively provided with a limiting groove, two sides of the fixed column are respectively provided with a sliding groove, the inner, the top fixedly connected with screw thread seat inside the fixed column, the internal surface threaded connection of screw thread seat has the screw thread post, the both ends of screw thread post all run through the screw thread seat and extend to the outside of screw thread seat, the bottom of screw thread post is rotated with the top of activity post and is connected, the top fixedly connected with of screw thread post changes the cover, through placing the fan assembly on the fixed plate, make the inside spacing groove of installation piece slide along the fixture block, then rotate the fixed column and make fixture block and draw-in groove adaptation, the cooperation changes the cover and rotates, drive the screw thread post up-and-down motion, thereby drive the fixture block and tightly support the draw-in groove, realize fixing the fan assembly, when needing to overhaul the fan assembly and change, operation process is simple, conveniently install the dismantlement to the fan assembly, it is certain.
(2) The fan assembly of the air-suction type seeder is characterized in that a filter screen is connected inside the fan assembly in a sliding manner, air sleeves are fixedly connected on two sides of the bottom of the filter screen, tube seats are fixedly connected on two sides inside the fan assembly and just below the filter screen, air inlet tubes penetrate through the two tube seats, the upper part of the outer surface of each air inlet tube is connected with the inner surface of each air sleeve in a sliding manner, the bottom ends of the air inlet tubes penetrate through the fan assembly and extend to the outside of the fan assembly, a connecting block is fixedly connected to the bottom of the fan assembly, a balance tube is fixedly connected to the bottom of the connecting block, the top of the outer surface of the balance tube is communicated with the bottom of each air inlet tube, an air pump is fixedly connected to the right side of the fan assembly, an air outlet of the air pump is communicated with an air outlet, and then the air inlet pipe is utilized to jack the air sleeve, so that the filter screen is driven to move up and down, the filter screen in the fan assembly is not easy to block, and the normal work is ensured.
(3) This air-suction type seeder fan assembly, be connected with central processing unit's input through the output at input module, central processing unit's output is connected with parameter setting module's input, parameter setting module's output is connected with output module's input, output module's output all is connected with the input of feedback module and air pump, feedback module's output is connected with central processing unit's input, let in information through input module, and then utilize central processing unit to carry out analysis processes, then cooperate parameter setting module to transfer the working parameter of air pump, regularly start, the convenience is shaken from top to bottom to the filter screen.
Drawings
FIG. 1 is a front view of the internal structure of the present invention;
FIG. 2 is a top view of a portion of the structure of the present invention;
FIG. 3 is a front view of the internal structure of the fixing post of the present invention;
FIG. 4 is a front view of the internal structure of the fan assembly of the present invention;
FIG. 5 is a functional block diagram of the control system of the present invention.
In the figure, 1-a seeder body, 2-a fan assembly, 3-a control system, 31-an input module, 32-a central processor, 33-a parameter setting module, 34-an output module, 35-a feedback module, 4-a fixing plate, 5-a fixing column, 6-an installation block, 7-a cylindrical hole, 8-a circular wall, 9-a clamping groove, 10-a clamping block, 11-a limiting groove, 12-a sliding groove, 13-a movable column, 14-a threaded seat, 15-a threaded column, 16-a rotating sleeve, 17-a filter screen, 18-an air sleeve, 19-a pipe seat, 20-an air inlet pipe, 21-a connecting block, 22-a balance pipe, 23-an air pump and 24-an air outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: an air suction type seeder fan assembly comprises a seeder body 1 and a control system 3, wherein the control system 3 comprises an input module 31, a central processing unit 32, a parameter setting module 33, an output module 34 and a feedback module 35, the central processing unit 32 is an ARM9 series microprocessor, the output ends of the output module 34 are connected with the input ends of the feedback module 35 and an air pump 23, the output end of the feedback module 35 is connected with the input end of the central processing unit 32, the output end of the input module 31 is connected with the input end of the central processing unit 32, the output end of the central processing unit 32 is connected with the input end of the parameter setting module 33, the output end of the parameter setting module 33 is connected with the input end of the output module 34, the surface of the seeder body 1 is movably connected with a fan assembly 2, the right side of the fan assembly 2 is fixedly connected with the air pump 23, air is blown through the, then, the air inlet pipe 20 is utilized to jack the air sleeve 18, so as to drive the filter screen 17 to move up and down, the filter screen 17 in the fan assembly 2 is not easy to block, and normal operation is ensured, the air outlet of the air pump 23 is communicated with the air outlet pipe 24, the top end of the air outlet pipe 24 is communicated with the bottom of the outer surface of the balance pipe 22, the bottom of the fan assembly 2 is fixedly connected with the connecting block 21, the bottom of the connecting block 21 is fixedly connected with the balance pipe 22, the top of the outer surface of the balance pipe 22 is communicated with the bottom end of the air inlet pipe 20, the inside of the fan assembly 2 is slidably connected with the filter screen 17, both sides of the bottom of the filter screen 17 are fixedly connected with the air sleeve 18, both sides of the inside of the fan assembly 2 and under the filter screen 17 are fixedly connected with the pipe seats 19, the air inlet pipe 20 penetrates through the insides of the two pipe seats 19, the upper part, the surface of the seeder body 1 is fixedly connected with a fixed plate 4, two sides of the top of the fixed plate 4 are both rotationally connected with fixed columns 5, the back of a fan assembly 2 is fixedly connected with an installation block 6, two sides inside the installation block 6 are both provided with cylindrical holes 7, the inner walls of the two cylindrical holes 7 are both fixedly connected with annular walls 8, two sides of the top of the annular wall 8 are both provided with clamping grooves 9, two sides above the outer surface of the fixed column 5 are both movably connected with clamping blocks 10, the outer surfaces of the two clamping blocks 10 are both clamped with the inner surfaces of the clamping grooves 9, the front side and the rear side of the inner wall of the annular wall 8 are both provided with limiting grooves 11, two sides of the fixed column 5 are both provided with sliding grooves 12, the inner surfaces of the two sliding grooves 12 are both in sliding connection with the outer surfaces of the clamping blocks 10, the inside of the fixed column 5 is movably connected with movable columns 13, threaded seat 14's internal surface threaded connection has threaded post 15, threaded post 15's both ends all run through threaded seat 14 and extend to threaded seat 14's outside, threaded post 15's bottom is rotated with the top of activity post 13 and is connected, threaded post 15's top fixedly connected with changes cover 16, through placing fan assembly 2 on fixed plate 4, make installation piece 6 inside spacing groove 11 slide along fixture block 10, then rotate fixed column 5 and make fixture block 10 and draw-in groove 9 adaptation, the cooperation is changeed cover 16 and is rotated, drive threaded post 15 up-and-down motion, thereby drive fixture block 10 and tightly support draw-in groove 9, the realization is fixed fan assembly 2, overhaul fan assembly 2 when changing in needs, the operation process is simple, conveniently install fan assembly 2 and dismantle, it is certain convenient to drive for the staff.
When the fan assembly is used, firstly, the mounting block 6 on the back of the fan assembly 2 slides downwards along the fixed column 5, so that the clamping block 10 slides along the inner surface of the limiting groove 11, when the fan assembly 2 is placed on the fixing plate 4, the fixed column 5 is rotated at the moment, so that the clamping blocks 10 on two sides of the fixed column 5 are matched with the clamping grooves 9, then the rotating sleeve 16 is rotated, the threaded column 15 is further driven to rotate, the threaded column 15 is further driven to move downwards on the inner surface of the threaded seat 14, then the movable column 13 is driven to move downwards, so that the clamping block 10 is driven to move downwards along the sliding groove 12, the clamping block 10 is tightly pressed against the clamping grooves 9, information is input to the central processing unit 32 through the input module 31 for processing, then the parameter setting module 33 is utilized to set the parameters of the air pump 23, the air pump 23 is started at regular time, further, air is introduced into the balance, so that the filter net 17 moves up and down.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an air-suction type seeder fan assembly, includes seeder body (1) and control system (3), the surperficial swing joint of seeder body (1) has fan assembly (2), its characterized in that: the surface of the seeder body (1) is fixedly connected with a fixed plate (4), two sides of the top of the fixed plate (4) are rotatably connected with fixed columns (5), the back of the fan assembly (2) is fixedly connected with a mounting block (6), two sides of the inside of the mounting block (6) are respectively provided with a cylindrical hole (7), the inner walls of the two cylindrical holes (7) are respectively and fixedly connected with a circular wall (8), two sides of the top of the circular wall (8) are respectively provided with a clamping groove (9), two sides above the outer surface of the fixed column (5) are respectively and movably connected with a clamping block (10), the outer surfaces of the two clamping blocks (10) are respectively clamped with the inner surface of the clamping groove (9), the front side and the back side of the inner wall of the circular wall (8) are respectively provided with a limiting groove (11), two sides of the fixed column (5) are respectively provided with a sliding groove (12), and the inner surfaces of the two, the utility model discloses a clamping fixture, including fixed column (5), the inside swing joint of fixed column (5) has movable post (13), and the both sides of activity post (13) surface all with one side fixed connection of fixture block (10), the inside top fixedly connected with screw thread seat (14) of fixed column (5), the internal surface threaded connection of screw thread seat (14) has screw thread post (15), the both ends of screw thread post (15) all run through screw thread seat (14) and extend to the outside of screw thread seat (14), the bottom of screw thread post (15) is rotated with the top of activity post (13) and is connected, the top fixedly connected with of screw thread post (15) changes cover (16).
2. The suction seeder fan assembly of claim 1, wherein: the inside sliding connection of fan assembly (2) has filter screen (17), the equal fixedly connected with gas cover (18) in both sides of filter screen (17) bottom, fan assembly (2) inside both sides just are located filter screen (17) under equal fixedly connected with tube socket (19).
3. The suction seeder fan assembly of claim 2, wherein: two the inside intake pipe (20) that all runs through of tube socket (19), the top of intake pipe (20) surface and the internal surface sliding connection of air jacket (18), the bottom of intake pipe (20) runs through fan assembly (2) and extends to the outside of fan assembly (2).
4. The suction seeder fan assembly of claim 1, wherein: the bottom fixedly connected with connecting block (21) of fan assembly (2), the bottom fixedly connected with balance tube (22) of connecting block (21), and the top of balance tube (22) surface and the bottom intercommunication of intake pipe (20).
5. The suction seeder fan assembly of claim 1, wherein: the right side of the fan assembly (2) is fixedly connected with an air pump (23), an air outlet of the air pump (23) is communicated with an air outlet pipe (24), and the top end of the air outlet pipe (24) is communicated with the bottom of the outer surface of the balance pipe (22).
6. The suction seeder fan assembly of claim 1, wherein: the control system (3) comprises an input module (31), a central processing unit (32), a parameter setting module (33), an output module (34) and a feedback module (35).
7. The suction seeder fan assembly of claim 6, wherein: the output end of the input module (31) is connected with the input end of the central processing unit (32), the output end of the central processing unit (32) is connected with the input end of the parameter setting module (33), and the output end of the parameter setting module (33) is connected with the input end of the output module (34).
8. The suction seeder fan assembly of claim 6, wherein: the output end of the output module (34) is connected with the input ends of the feedback module (35) and the air pump (23), and the output end of the feedback module (35) is connected with the input end of the central processing unit (32).
CN201910870142.6A 2019-09-16 2019-09-16 Air-suction type seeder fan assembly Active CN110583170B (en)

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Publication number Priority date Publication date Assignee Title
CN201623981U (en) * 2010-01-07 2010-11-10 河北农哈哈机械集团有限公司 Blower sliding seat of air suction type precision seeder
KR101307375B1 (en) * 2011-10-17 2013-09-16 김승윤 Ultrasonic Humidifier having Switchgear for Air Vent
US9332076B2 (en) * 2014-09-24 2016-05-03 Xerox Corporation Method and apparatus for setting a language of a remote device
CN108811620B (en) * 2018-05-23 2021-03-26 舒城西河农业有限公司 Seeding device for ecological vegetable planting
CN208480455U (en) * 2018-06-11 2019-02-12 杨清芳 A kind of animal husbandry automatic feeder rotation firm banking being easily installed
CN108613037A (en) * 2018-06-27 2018-10-02 刘清泉 A kind of medical headlamp that stability is strong
CN208953932U (en) * 2018-09-27 2019-06-07 轩亚(福州)信息技术有限公司 A kind of fixation device of KVS equipment

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