CN213427054U - Unmanned electrohydraulic control system of harvester - Google Patents
Unmanned electrohydraulic control system of harvester Download PDFInfo
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- CN213427054U CN213427054U CN202021555929.8U CN202021555929U CN213427054U CN 213427054 U CN213427054 U CN 213427054U CN 202021555929 U CN202021555929 U CN 202021555929U CN 213427054 U CN213427054 U CN 213427054U
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Abstract
The utility model discloses an unmanned electrohydraulic control system of a harvester, which comprises a central controller, wherein the central controller receives signals sent by a position sensor and a radar base station, and the position sensor is arranged at the relevant parts of a cutting table, a reel and an antiaircraft gun; the central controller is connected with an integrated electromagnetic valve group through a module control circuit, and the integrated electromagnetic valve group respectively controls a header oil cylinder, a reel oil cylinder and a grain unloading oil cylinder; the central controller is connected with the electric control stepless speed changer and the zero-turning speed changing box through a walking control circuit. The intelligent electric control scheme in the utility model can replace manual operation, greatly reduce the labor intensity of operators and improve the working efficiency; the integrated electromagnetic valve group and the zero-turning gearbox are adopted, so that the overall space utilization rate of the harvester can be greatly improved.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, concretely relates to unmanned electric hydraulic control system of harvester.
Background
At present, the harvester mainly realizes the functions of walking, turning, header lifting, reel lifting, antiaircraft gun lifting and the like of the harvester by manually operating a reversing valve, and when the harvester works normally, the hydraulic control system needs frequent manual operation, and has low intelligent degree, high labor intensity and low working efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art, and provides an unmanned electrohydraulic control system of a harvester, which comprises a central controller, wherein the central controller receives signals sent by a position sensor and a radar base station, and the position sensor is arranged at the relevant parts of a cutting table, a reel and an antiaircraft gun; the central controller is connected with an integrated electromagnetic valve group through a module control circuit, and the integrated electromagnetic valve group respectively controls a header oil cylinder, a reel oil cylinder and a grain unloading oil cylinder; the central controller is connected with the electric control stepless speed changer and the zero-turning speed changing box through a walking control circuit.
Further, the zero-turn gearbox is an integrated body of the gearbox and the proportional solenoid valve.
Furthermore, the walking control circuit is connected with the proportional solenoid valve.
When the harvester normally walks, the central controller receives signals of the position sensor and converts the signals into electric signals, and corresponding signals are sent to the electric control stepless speed changer through a walking control circuit, so that the walking speed of the harvester is controlled.
When the harvester needs to turn, the central controller receives the radar signal and converts the radar signal into a corresponding electric signal to the electric control stepless speed changer, the zero-turning speed changing box and the integrated electromagnetic valve group, so that the speed reduction and the turning are realized, and meanwhile, the header oil cylinder is controlled by the integrated electromagnetic valve group to enable the header to rise.
When the grain storage is full, the central controller sends corresponding signals to the electric control stepless speed changer, the zero-turning speed changing box and the integrated electromagnetic valve group, so that the harvester automatically runs to a fixed place, and the grain unloading oil cylinder is controlled by the integrated electromagnetic valve group to lift the antiaircraft gun.
Has the advantages that: in the utility model, a position sensor and a radar base station are adopted to send signals to a central controller, the central controller converts the sensing signals into electric signals and communicates the electric signals to an integrated electromagnetic valve set so as to realize the lifting of a cutting table, a reel and an antiaircraft gun; the central controller converts the radar signals into corresponding electric signals and communicates the electric signals to the continuously variable transmission and the zero-turning gearbox so as to control the walking speed and turning of the harvester.
The intelligent electric control scheme in the utility model can replace manual operation, greatly reduce the labor intensity of operators and improve the working efficiency; the integrated electromagnetic valve group and the zero-turning gearbox are adopted, so that the overall space utilization rate of the harvester can be greatly improved.
Drawings
FIG. 1 is a system schematic of an unmanned electro-hydraulic control system for a harvester;
in the figure: 1. the device comprises a cutting table oil cylinder, 2 a reel oil cylinder, 3 a grain unloading oil cylinder, 4 a central controller, 5 an electric control stepless speed changer, 6 an integrated electromagnetic valve group, 7 and a zero-turning gearbox.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
As shown in fig. 1, an unmanned electrohydraulic control system for a harvester comprises a central controller 4, wherein the central controller 4 receives signals sent by a position sensor and a radar base station, and the position sensor is arranged at the relevant positions of a header, a reel and an antiaircraft gun; the central controller 4 is connected with an integrated electromagnetic valve group 6 through a module control circuit, and the integrated electromagnetic valve group 6 respectively controls the header oil cylinder 1, the reel oil cylinder 2 and the grain unloading oil cylinder 3; the central controller 4 is connected with the electric control stepless speed changer 5 and the zero-turning speed changing box 7 through a walking control circuit.
In this embodiment, the zero-turn gearbox is an integrated body of a gearbox and a proportional solenoid valve; and the walking control circuit is connected with the proportional solenoid valve.
When the harvester normally walks, the central controller receives signals of the position sensor and converts the signals into electric signals, and corresponding signals are sent to the electric control stepless speed changer through a walking control circuit, so that the walking speed of the harvester is controlled.
When the harvester needs to turn, the central controller receives the radar signal and converts the radar signal into a corresponding electric signal to the electric control stepless speed changer, the zero-turning speed changing box and the integrated electromagnetic valve group, so that the speed reduction and the turning are realized, and meanwhile, the header oil cylinder is controlled by the integrated electromagnetic valve group to enable the header to rise.
When the grain storage is full, the central controller sends corresponding signals to the electric control stepless speed changer, the zero-turning speed changing box and the integrated electromagnetic valve group, so that the harvester automatically runs to a fixed place, and the grain unloading oil cylinder is controlled by the integrated electromagnetic valve group to lift the antiaircraft gun.
In the embodiment, a position sensor and a radar base station are adopted to send signals to a central controller, and the central controller converts the sensing signals into electric signals and communicates the electric signals to an integrated electromagnetic valve bank so as to realize the lifting of a header, a reel and an antiaircraft gun; the central controller converts the radar signals into corresponding electric signals and communicates the electric signals to the continuously variable transmission and the zero-turning gearbox so as to control the walking speed and turning of the harvester.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An unmanned electrohydraulic control system of a harvester is characterized by comprising a central controller, wherein the central controller receives signals sent by a position sensor and a radar base station, and the position sensor is arranged at the relevant parts of a cutting table, a reel and an antiaircraft gun; the central controller is connected with an integrated electromagnetic valve group through a module control circuit, and the integrated electromagnetic valve group respectively controls a header oil cylinder, a reel oil cylinder and a grain unloading oil cylinder; the central controller is connected with the electric control stepless speed changer and the zero-turning speed changing box through a walking control circuit.
2. The unmanned electrohydraulic control system of a harvester according to claim 1, wherein said zero turn gearbox is an integrated body of a gearbox and a proportional solenoid valve.
3. The unmanned electrohydraulic harvester control system of claim 2, wherein said travel control line is connected to a proportional solenoid valve.
4. The unmanned electrohydraulic control system for the harvester according to claim 1, wherein when the harvester normally walks, the central controller receives signals of the position sensor, converts the signals into electric signals, and sends corresponding signals to the electrically controlled continuously variable transmission through a walking control circuit.
5. The unmanned electrohydraulic harvester control system of claim 1, wherein when the harvester is required to turn, said central controller receives radar signals and converts the radar signals into corresponding electrical signals to the electrically controlled continuously variable transmission, the zero-turn gearbox and the integrated solenoid valve bank.
6. The unmanned electrohydraulic control system of the harvester according to claim 1, wherein when the grain bin is full, the central controller sends corresponding signals to the electrically controlled continuously variable transmission, the zero-turn gearbox and the integrated solenoid valve bank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021555929.8U CN213427054U (en) | 2020-07-31 | 2020-07-31 | Unmanned electrohydraulic control system of harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021555929.8U CN213427054U (en) | 2020-07-31 | 2020-07-31 | Unmanned electrohydraulic control system of harvester |
Publications (1)
| Publication Number | Publication Date |
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| CN213427054U true CN213427054U (en) | 2021-06-15 |
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| CN202021555929.8U Active CN213427054U (en) | 2020-07-31 | 2020-07-31 | Unmanned electrohydraulic control system of harvester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114041351A (en) * | 2021-10-22 | 2022-02-15 | 北京市农林科学院智能装备技术研究中心 | Harvester operation state identification method and harvester |
| CN114352608A (en) * | 2021-12-27 | 2022-04-15 | 江苏沃得农业机械股份有限公司 | Multifunctional hydraulic controller applied to harvester and control method thereof |
-
2020
- 2020-07-31 CN CN202021555929.8U patent/CN213427054U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114041351A (en) * | 2021-10-22 | 2022-02-15 | 北京市农林科学院智能装备技术研究中心 | Harvester operation state identification method and harvester |
| CN114352608A (en) * | 2021-12-27 | 2022-04-15 | 江苏沃得农业机械股份有限公司 | Multifunctional hydraulic controller applied to harvester and control method thereof |
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