CN104429327B - The environmental protection and energy saving harvester of drying function - Google Patents

The environmental protection and energy saving harvester of drying function Download PDF

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Publication number
CN104429327B
CN104429327B CN201410736633.9A CN201410736633A CN104429327B CN 104429327 B CN104429327 B CN 104429327B CN 201410736633 A CN201410736633 A CN 201410736633A CN 104429327 B CN104429327 B CN 104429327B
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harvester
internal combustion
grain
combustion engine
environmental protection
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CN104429327A (en
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袁铁军
邱亚兰
张秀丽
张万鹏
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Shenzhen Pengbo Information Technology Co ltd
Xuzhou Tiancheng Intelligent Technology Co ltd
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Yangcheng Institute of Technology
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Abstract

The invention discloses the environmental protection and energy saving harvester of a kind of drying function, it includes harvester shell (42), the cropping system (43) being arranged on harvester shell (42), the threshing system (45) being connected with cropping system (43), the grain pipe road (9) being connected with threshing system (45), the grain storing box (14) being connected with grain pipe road (9), the internal combustion engine moving Force system (47) being arranged on harvester chassis and be arranged on the running gear (46) bottom harvester chassis.The harvester reasonable in design that the present invention provides, easy to operate, work efficiency is high, can be greatly saved labor time, especially environmental protection and energy saving is strong, and energy consumption is low, and production cost is low, and the suitability is strong, having harvesting, threshing, drying several functions, can realize grain dries subpackage immediately.Prior art labour cost can be overcome high, many deficiencies such as the dry in the sun time is long, is retrained by weather, inefficiency, there is important application value.

Description

The environmental protection and energy saving harvester of drying function
Technical field
The present invention relates to a kind of harvester, be specifically related to a kind of energy-conserving and environment-protective, there is harvesting, threshing, dry multiple The integral type harvester of function.
Background technology
United reaper of the prior art typically can complete the harvesting of crops, threshing, separation cane, clear The works such as remove impurity excess, but corn can not be dried timely, the dried of corn is typically used by prior art The mode of artificial dry in the sun, this dried mode not only needs large-area airing field, more needs substantial amounts of people Power, labour cost is very big, inefficiency, and existing dried mode is very strong to the dependency of weather, There is bigger deficiency.
Therefore, necessary a kind of reasonable in design of design research and development on the basis of prior art, energy-conserving and environment-protective, Energy consumption is low, low cost, has harvesting, threshing, the novel harvester of drying several functions.
Summary of the invention
Goal of the invention: the invention aims to solve the deficiencies in the prior art, it is provided that a kind of reasonable in design, Easy to operate, work efficiency is high, can be greatly saved labor time, and environmental protection and energy saving is strong, and energy consumption is low, low cost, There is harvesting, threshing, the novel harvester of drying several functions.
Technical scheme: in order to realize object above, the technical scheme that the present invention takes is:
The environmental protection and energy saving harvester of a kind of drying function, it includes harvester shell, is arranged on harvester shell Cropping system, the threshing system being connected with cropping system, the grain pipe road being connected with threshing system, with paddy The grain storing box that thing conveyance conduit is connected, the internal combustion engine moving Force system being arranged on harvester chassis, combustion engine powered system Internal combustion engine cooler bin is installed on system, is arranged on the running gear bottom harvester chassis, be arranged on harvester top With the solar panel on harvester shell, described solar panel is connected with battery system by electric wire, Accumulator and inverter are installed in battery system;On described grain pipe road, drying device by microwaves is installed, Drying device by microwaves is connected with battery system by electric wire;Described periphery, grain pipe road is provided with energy storage and adds Hot tank, energy storage is added hot tank and is connected by pipeline with internal combustion engine cooler bin;
Being provided with internal combustion engine cooler bin cover outside described internal combustion engine cooler bin, internal combustion engine cooler bin cover passes through microwave heating Breather line is connected with drying device by microwaves;
Described internal combustion engine moving Force system connects exhaust gases of internal combustion engines pipe remaining heat trap, and exhaust gases of internal combustion engines pipe waste heat is received Storage is connected with heat exchanger by pipeline, and is provided with pump on pipeline;Described heat exchanger passes through hot air duct The grain pipe road added with energy storage in hot tank is connected;
Being provided with electrical heating element on described grain storing box inwall, grain storing box is internally installed agitating function parts and temperature Degree detection device;And grain storing box by electric wire be connected with battery system obtain electric energy.
Preferably, the environmental protection and energy saving harvester of above-described drying function, described energy storage adds hot tank Temperature sensor and liquid level sensor are inside installed.
Preferably, the environmental protection and energy saving harvester of above-described drying function, install in harvester shell Have bridge, display screen be installed before bridge, display screen respectively with grain storing box, drying device by microwaves and energy storage Add hot tank to be connected.Staff just can pass through the temperature of each position of display screen circle's drying system at bridge Or liquid level information, when harvester is parked in the edge of a field, corn can be exported in transport vehicle by the conveyer device bottom storage tank, Realize subpackage and transport.
Preferably, the environmental protection and energy saving harvester of above-described drying function, the row of being provided with on grain storing box Fan, grain storing box is opened above air-vent.Corn is transported in grain storing box by grain pipe road, utilizes storage paddy Case, residual moisture in oven drying at low temperature corn under the conditions of 38~40 DEG C, grain storing box utilizes solar energy electricity to add thermoelectricity Heater element, and drive agitating function device so that corn Uniform Movement, the fan low speed of grain storing box inwardly blows sky Gas circulates, and improves the uniformity of case body temperature, and broken belt does not walks steam, if the temperature sensor detection in grain storing box To temperature too high time, then stop the heating of electrical heating element, and lowered the temperature by exhaust fan the most outwards air draft.
Preferably, the environmental protection and energy saving harvester of above-described drying function, energy storage adds hot tank and internal combustion On the pipeline that machine cooler bin is connected, pump is installed, hot liquid and storage will be added in internal combustion engine cooler bin by the effect of pump The liquid that can add in hot tank realizes heat transfer cycle, and the corn in conveyance conduit is entered by the waste heat making full use of internal combustion engine Row is dried.
Preferably, the environmental protection and energy saving harvester of above-described drying function, internal combustion engine cooler bin cover with On microwave heating breather line between drying device by microwaves, air ducting is installed.Air ducting can be by from internal combustion Around machine cooler bin fin, hot-air dispels grain pipe and corn is carried out Hot-blast Heating is dried.And microwave Drying unit can be big with the power that corn actual temperature difference regulates heating automatically according to the setting heating-up temperature of corn Little, corn is heated, the energy source of drying device by microwaves and solar panel.
Preferably, the environmental protection and energy saving harvester of above-described drying function, grain pipe road is pacified Equipped with auger conveyor, provide power by auger conveyor, promote corn to move ahead in conveyance conduit.
The environmental protection and energy saving harvester of the drying function that the present invention provides, uses general header system, it is achieved farming Crops are transported to threshing system after harvesting by the cutting of thing, realize corn and separate with straw, header system with Threshing system power is from internal combustion engine.
The present invention utilizes drying system to realize drying and the storage of corn, and the energy of drying system is from solar energy and interior The recovery of combustion engine waste heat, very energy-conserving and environment-protective, energy consumption is low, and production cost is low.
Invention effect: compared to the prior art the environmental protection and energy saving harvester of the drying function that the present invention provides, has Advantages below:
The environmental protection and energy saving harvester of the drying function that the present invention provides, reasonable in design, easy to operate, work Efficiency is high, can be greatly saved labor time, and the energy of drying of drying system comes from the waste heat of solar energy and internal combustion engine, Energy utilization rate is high, and environmental protection and energy saving is strong, and energy consumption is low, and production cost is low, and the suitability is strong, has a harvesting, threshing, Drying several functions, can realize grain dries subpackage immediately.Prior art labour cost can be overcome high, during dry in the sun Between long, retrained by weather, many deficiencies such as inefficiency, there is important application value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the environmental protection and energy saving harvester of the drying function that the present invention provides.
Fig. 2 is the structural representation during environmental protection and energy saving harvester vertical view of the drying function that the present invention provides.
Fig. 3 is the structural representation of the environmental protection and energy saving harvester side of the drying function that the present invention provides.
Fig. 4 be the drying function that the present invention provides environmental protection and energy saving harvester in the structural representation of grain storing box.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with the present invention, it should be understood that these embodiments are only used for The bright present invention rather than restriction the scope of the present invention, after having read the present invention, those skilled in the art are to this The amendment of the various equivalent form of values of invention all falls within the application claims limited range.
As shown in Figures 1 to 4, the environmental protection and energy saving harvester of a kind of drying function, it is characterised in that it includes Harvester shell 42, the cropping system 43 being arranged on harvester shell 42, the threshing being connected with cropping system 43 System 45, the grain pipe road 9 being connected with threshing system 45, the grain storing box being connected with grain pipe road 9 14, the internal combustion engine moving Force system 47 being arranged on harvester chassis, internal combustion engine moving Force system 47 is provided with internal combustion Machine cooler bin 10, is arranged on the running gear 46 bottom harvester chassis, is arranged on harvester top 41 and harvesting Solar panel 7 on machine shell 42, described solar panel 7 is by electric wire and battery system 8 phase Even, accumulator and inverter are installed in battery system 8;On described grain pipe road 9, microwave is installed Drying unit 13, drying device by microwaves 13 is connected with battery system 8 by electric wire;Described grain pipe Periphery, road 9 is provided with energy storage and adds hot tank 6, and energy storage is added hot tank 6 and is connected by pipeline with internal combustion engine cooler bin 10, and Circulating pump is installed on pipeline;
Being provided with internal combustion engine cooler bin cover 20 outside described internal combustion engine cooler bin 10, internal combustion engine cooler bin cover 20 passes through Microwave heating breather line is connected with drying device by microwaves 13, and is also equipped with hot-air on microwave heating breather line Air ducting 18;And on internal combustion engine cooler bin 10, heat radiator of internal-combustion engine is installed.
Described internal combustion engine moving Force system 47 connects exhaust gases of internal combustion engines pipe remaining heat trap 19, exhaust gases of internal combustion engines pipe Remaining heat trap 19 is connected with heat exchanger 2 by pipeline, and is provided with pump on pipeline;Described heat exchanger 2 The grain pipe road 9 added in hot tank 6 with energy storage by hot air duct is connected;
Being provided with electrical heating element 15 on described grain storing box 14 inwall, grain storing box 14 is internally installed agitating function Being provided with exhaust fan 1 on parts 16 and temperature-detecting device 17, and grain storing box 14, grain storing box 14 is opened above to be had Air-vent;And grain storing box 14 is connected with battery system 8 by electric wire and obtains electric energy.
The environmental protection and energy saving harvester of above-described drying function, described energy storage is provided with temperature in adding hot tank 6 Sensor and liquid level sensor.On drying device by microwaves 13, infrared temperature measurement apparatus is installed.
The environmental protection and energy saving harvester of above-described drying function, is provided with bridge in harvester shell 42, drives Sailing and be provided with display screen 44 before platform, display screen 44 adds with grain storing box 14, drying device by microwaves 13 and energy storage respectively Hot tank 6 is connected, and Real Time Observation grain storing box 14, drying device by microwaves 13 and energy storage can add hot tank by display screen 44 The information such as the temperature of 6 or liquid level.
The environmental protection and energy saving harvester of above-described drying function, grain pipe road 9 is provided with helical feed Device, auger conveyor provides the power that corn moves ahead in conveyance conduit.
The environmental protection and energy saving harvester of the drying function that the present invention provides, work process is: first with cropping system (43) Oryza sativa L. is gathered in, and Oryza sativa L. carries out delivering into threshing system 45 realize straw and separate with corn;
Then, after cleaning corn, being advanced along grain pipe road 9 by corn and receiving energy storage adds hot tank 6 Heating, corn receives from internal-combustion engine vent-pipe 19 through heat exchanger 2 while heating along conveyance conduit 9 The Hot-blast Heating arrived.
Then utilize auger conveyor to be moved ahead along grain pipe 9 by corn, receive drying device by microwaves 13 and come By air ducting 18 Hot-blast Heating out around internal combustion engine cooler bin fin, drying device by microwaves 13 can Setting heating-up temperature and corn actual temperature difference automatically according to corn regulates the watt level of heating, fills Divide uniform heating, drying.
The basic corn dried is transported in grain storing box 14, utilizes grain storing box low temperature (38~40 DEG C) to dry corn, Chu Gu Case 14 utilizes solar energy heating electrical heating element 15, and drives agitating function parts 16 so that corn Uniform Movement, storage The fan 1 low speed inside blow air circulation of paddy case 14, improves the uniformity of case body temperature, constantly takes away steam, If temperature sensor 17 detection realizes that temperature is too high, then stop the heating of electrical heating element 15, and exhaust fan is at a high speed Outwards air draft cooling.
Operator just can be by the temperature of each position of display screen 44 Real Time Observation drying system at bridge Or liquid level information, when harvester is parked in the edge of a field, and corn can be exported transport vehicle by the conveyer device bottom storage tank 14 In carry out subpackage and packing.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill of the art For personnel, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improve Also protection scope of the present invention is should be regarded as with retouching.

Claims (7)

  1. null1. the environmental protection and energy saving harvester of a drying function,It is characterized in that,It includes harvester shell (42),The cropping system (43) being arranged on harvester shell (42),The threshing system (45) being connected with cropping system (43),The grain pipe road (9) being connected with threshing system (45),The grain storing box (14) being connected with grain pipe road (9),The internal combustion engine moving Force system (47) being arranged on harvester chassis,Internal combustion engine cooler bin (10) is installed on internal combustion engine moving Force system (47),It is arranged on the running gear (46) bottom harvester chassis,It is arranged on the solar panel (7) on harvester top (41) and harvester shell (42),Described solar panel (7) is connected with battery system (8) by electric wire,Battery system (8) is inner is provided with accumulator and inverter;Being provided with drying device by microwaves (13) on described grain pipe road (9), drying device by microwaves (13) is connected with battery system (8) by electric wire;Described grain pipe road (9) periphery is provided with energy storage and adds hot tank (6), and energy storage is added hot tank (6) and is connected by pipeline with internal combustion engine cooler bin (10);
    Being provided with internal combustion engine cooler bin cover (20) outside described internal combustion engine cooler bin (10), internal combustion engine cooler bin cover (20) is connected with drying device by microwaves (13) by microwave heating breather line;
    Described internal combustion engine moving Force system (47) connects exhaust gases of internal combustion engines pipe remaining heat trap (19), exhaust gases of internal combustion engines pipe remaining heat trap (19) is connected with heat exchanger (2) by pipeline, and is provided with pump on pipeline;The grain pipe road (9) that described heat exchanger (2) is added in hot tank (6) with energy storage by hot air duct is connected;
    Being provided with electrical heating element (15) on described grain storing box (14) inwall, grain storing box (14) is internally installed agitating function parts (16) and temperature-detecting device (17);And grain storing box (14) by electric wire be connected with battery system (8) obtain electric energy.
  2. The environmental protection and energy saving harvester of drying function the most according to claim 1, it is characterised in that described energy storage is provided with temperature sensor and liquid level sensor in adding hot tank (6).
  3. The environmental protection and energy saving harvester of drying function the most according to claim 2, it is characterized in that, harvester shell is provided with bridge in (42), being provided with display screen (44) before bridge, display screen (44) adds hot tank (6) with grain storing box (14), drying device by microwaves (13) and energy storage respectively and is connected.
  4. 4. according to the environmental protection and energy saving harvester of the drying function described in any one of claims 1 to 3, it is characterised in that being provided with exhaust fan (1) on grain storing box (14), grain storing box (14) is opened above air-vent.
  5. The environmental protection and energy saving harvester of drying function the most according to claim 4, it is characterised in that energy storage adds and is provided with pump on the pipeline that hot tank (6) is connected with internal combustion engine cooler bin (10).
  6. The environmental protection and energy saving harvester of drying function the most according to claim 5, it is characterized in that, the microwave heating breather line between internal combustion engine cooler bin cover (20) and drying device by microwaves (13) is provided with air ducting (18).
  7. The environmental protection and energy saving harvester of drying function the most according to claim 6, it is characterised in that grain pipe road is provided with auger conveyor on (9).
CN201410736633.9A 2014-12-05 2014-12-05 The environmental protection and energy saving harvester of drying function Active CN104429327B (en)

Priority Applications (1)

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CN104429327B true CN104429327B (en) 2016-08-17

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Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104823600B (en) * 2015-05-08 2017-03-29 湖南城市学院 A kind of rice harvester
CN105075513B (en) * 2015-06-15 2018-02-13 柏正球 A kind of rice harvester and harvesting method with variable speed drive
CN105009787B (en) * 2015-07-17 2017-03-29 河南农业大学 A kind of device of utilization united reaper waste heat drying grain during results
CN105940854B (en) * 2016-05-03 2017-06-23 福建东联机车部件有限公司 The wheat harvester that a kind of motor assist drives
CN106105553B (en) * 2016-08-18 2018-07-20 周院红 A kind of energy saving harvester with paddy circulation drying device
CN106068898B (en) * 2016-08-22 2019-10-11 盐城工学院 A kind of boa formula harvester
CN106105550B (en) * 2016-08-22 2019-10-11 盐城工学院 A kind of boa formula combine harvester
CN107041201A (en) * 2017-04-10 2017-08-15 南昌浩牛科技有限公司 A kind of used heat recycling type grain harvester
CN107318976A (en) * 2017-08-08 2017-11-07 常州天能博智能系统科技有限公司 A kind of grain-drying system and household energy conserving system based on server waste heat
CN108225002B (en) * 2018-01-08 2019-08-27 合肥工业大学 A kind of comprehensive utilization straw burning heat and the dry harvest device for grain of engine exhaust heat
CN108811692A (en) * 2018-05-17 2018-11-16 浦江县顺光科技有限公司 Energy-efficient rapeseed acquires equipment
CN108834553A (en) * 2018-06-27 2018-11-20 安徽袁粮水稻产业有限公司 A kind of rice harvester having drying function
TR201809781A2 (en) * 2018-07-09 2018-07-23 Anil Yataganli Tarim Makineleri Sanayi Ve Ticaret Anonim Sirketi COMBINE HARVESTER
CN110089264B (en) * 2019-04-17 2021-08-03 江苏大学 Drying grain tank of combine harvester
CN111213482A (en) * 2020-02-26 2020-06-02 江苏大学 Grain tank and harvester with real-time monitoring and dehumidification functions of storage state during harvesting
CN111802057B (en) * 2020-07-14 2022-06-21 付志伟 Crop harvesting and drying machine
CN114128479A (en) * 2021-11-03 2022-03-04 湖南省裕登农业科技开发有限责任公司 Auxiliary device for rice harvesting
CN115088468A (en) * 2022-06-20 2022-09-23 贵州省草业研究所 Automatic grass harvesting device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5156570A (en) * 1991-09-23 1992-10-20 Justice Iii James C Combine-grain dryer
CN2879631Y (en) * 2006-01-20 2007-03-21 李建民 Combine harvester
CN101473735B (en) * 2009-02-04 2011-01-12 湖南农业大学 Threshing method based on waste heat utilization and thresher based on waste heat utilization
CN103477795A (en) * 2013-09-27 2014-01-01 侯林山 Grain combine harvester with drying function
CN203708836U (en) * 2014-03-08 2014-07-16 西北农林科技大学 Intelligent electric drying device of wheat combine harvester
CN203775697U (en) * 2014-04-01 2014-08-20 江西农业大学 Multistage cereal drying system in combine harvester

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Effective date of registration: 20191216

Address after: Room c506a-19, University Business Park, No. 99, University Road, Xuzhou hi tech Industrial Development Zone, Xuzhou City, Jiangsu Province

Patentee after: Xuzhou Tiancheng Intelligent Technology Co.,Ltd.

Address before: 518110 808, 8 / F, building B, business center, gangzhilong Science Park, No. 6, Qinglong Road, Qinghua community, Longhua street, Longhua District, Shenzhen City, Guangdong Province

Patentee before: Shenzhen Pengbo Information Technology Co.,Ltd.

Effective date of registration: 20191216

Address after: 518110 808, 8 / F, building B, business center, gangzhilong Science Park, No. 6, Qinglong Road, Qinghua community, Longhua street, Longhua District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Pengbo Information Technology Co.,Ltd.

Address before: 224051 Yancheng City hope road, Jiangsu, No. 9

Patentee before: YANCHENG INSTITUTE OF TECHNOLOGY