Electrical control device for harvester

Abstract

The utility model discloses an electrical control device for a harvester, which comprises a front controller module, a connection standby module, a handheld box module, an electromagnetic valve module, a steering gear box connection module, a starter connection module, a rear controller module and a camera connection module which are respectively connected to a fuse box, a trip computer and an instrument through wire harnesses. Most of loads at the front end of a harvester vehicle body are controlled in a centralized mode through the front controller module, most of loads at the rear end of the harvester vehicle body are controlled in a centralized mode through the rear controller module, safe work of all the modules is guaranteed through the fuse box, and the electrical control function on the vehicle body is more integrated and simplified; and each module is connected with a trip computer and an instrument, so that the working state of each load can be checked in real time, troubleshooting is more visual and simpler when a fault occurs, and the operation and maintenance efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of harvester operation control components, in particular to an electrical control device for a harvester. Background Art

[0002] To ensure the safety and automatic operation of the harvester, electrical control devices are installed on the vehicle, such as Figure 3 and Figure 4 As shown in the figure, the above two figures are connected to form a complete control system for the harvester. It can be seen from the two figures that although the current vehicle control has tended to be integrated design, it has also played a certain role in simplifying the wiring harness installation and vehicle configuration, improving the overall quality level, cost, and failure rate of the system and reducing the difficulty of centralized fault troubleshooting. However, with the diversification and automation of harvester functions, electrical control devices are required to be more intelligent, highly reliable, long-life, and have intelligent fault reporting. Therefore, the control system currently used is relatively complex and difficult to meet the control requirements of modern harvesters. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an electrical control device for a harvester which can further integrate the design of electrical control functions, has a very simple layout, and can obtain and display the status of each control component in real time.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: an electrical control device for a harvester, which is connected to a driving computer and an instrument on the harvester, including a front controller module, a connection standby module, a hand box module, a solenoid valve module, a steering gear connection module, a starter connection module, a rear controller module and a camera connection module. The above modules are respectively connected to the fuse box, the driving computer and the instrument through a wiring harness. The front controller module includes a front controller body, and the front controller body is also connected to the front controller plug-in cover through a wiring harness. The rear controller module includes a rear controller body, and the rear controller body is also connected to the rear controller plug-in cover through a wiring harness.

[0005] As a preferred technical solution, the front controller body and the rear controller body both include a control chip, the control chip is electrically connected to a drive protection chip, the drive protection chip is connected to a load, and the control chip is connected to the on-board computer and the instrument via a CAN bus.

[0006] As a preferred technical solution, the front controller plug-in cover is connected to the corresponding drive protection chip in the front controller body, and the front controller plug-in cover is provided with a headlight unit connection terminal, a wiper motor connection terminal, a driving horn connection terminal, a fan connection terminal, a harvesting operation sensor unit connection terminal and a brake unit connection terminal.

[0007] As a preferred technical solution, the rear controller plug-in sleeve is connected to the corresponding drive protection chip in the rear controller body, and the rear controller plug-in sleeve is provided with a rear light unit connection terminal, a reversing horn connection terminal, a charging indication unit connection terminal and an oil level signal unit connection terminal.

[0008] As a preferred technical solution, the steering gear connection module includes a steering gear connection harness and a steering gear plug-in cover, and the steering gear plug-in cover is provided with an electric lock connection terminal, a main power control terminal, a negative power terminal, a foot throttle signal 1, a foot throttle signal 2 and a CAN communication connection terminal.

[0009] As a preferred technical solution, the starter connection module includes an ECU power connection terminal, an oil-water separation connection terminal and a CAN communication connection terminal.

[0010] As an improvement to the above technical solution, the camera connection module includes male and female plug-in sheaths for a granary camera, male and female plug-in sheaths for a reversing camera, and male and female plug-in sheaths for a hay barn camera arranged in pairs.

[0011] Due to the adoption of the above technical scheme, the electrical control device for the harvester is connected to the driving computer and the instrument on the harvester, including a front controller module, a connection standby module, a hand box module, a solenoid valve module, a steering machine connection module, a starter connection module, a rear controller module and a camera connection module, and each of the above modules is respectively connected to the fuse box, the driving computer and the instrument through a wiring harness, the front controller module includes a front controller body, and the front controller body is also connected to the front controller plug-in sheath through a wiring harness, and the rear controller module includes a rear controller body, and the rear controller body is also connected to the rear controller plug-in sheath through a wiring harness; the utility model has the following beneficial effects: most of the loads at the front end of the harvester body are centrally controlled through the front controller module, and most of the loads at the rear end are centrally controlled through the rear controller module, and the safe operation of each module is guaranteed by the fuse box, so that the electrical control function on the body is more integrated and simplified, and through the connection of each module with the driving computer and the instrument, the working status of each load can be viewed in real time, so that troubleshooting is more intuitive and simple when a fault occurs, and the operation and maintenance efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The following drawings are only intended to illustrate and explain the present invention, and do not limit the scope of the present invention.

[0013] Figure 1 It is a schematic diagram of module distribution of an embodiment of the utility model;

[0014] Figure 2This is a simplified schematic diagram of the connection between the control chip MCU and the drive protection chip in the embodiment of the utility model;

[0015] Figure 3 It is a schematic diagram of some modules in the prior art;

[0016] Figure 4 It is another part of the module schematic diagram in the prior art;

[0017] In the figure: 1-1. Fuse box; 1-2. Front controller body; 1-3. Front controller plug-in cover; 1-4. Rear controller body; 1-5. Rear controller plug-in cover; 1-6. Steering gear plug-in cover; 1-7. Granary camera female plug-in cover; 1-8. Granary camera male plug-in cover; 1-9. Reversing camera female plug-in cover; 1-10. Reversing camera male plug-in cover; 1-11. Hay barn camera female plug-in cover; 1-12. Hay barn camera male plug-in cover; 1-13. Starter connection module; 1-14. Handrail box module; 1-15. Solenoid valve module; 1-16. Connection spare module. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and examples. In the following detailed description, only certain exemplary embodiments of the present invention are described by way of illustration. Needless to say, those skilled in the art will recognize that the described embodiments may be modified in various ways without departing from the spirit and scope of the present invention. Therefore, the drawings and descriptions are illustrative in nature and are not intended to limit the scope of protection of the claims.

[0019] like Figure 1 As shown, the electrical control device for the harvester is connected to the driving computer and instrument on the harvester, and is used to control the action of each load on the harvester. The status of each load can be fed back to the driving computer in real time, and the real-time status is displayed through the instrument. It includes a front controller module, a connection standby module 1-16, a hand box module 1-14, a solenoid valve module 1-15, a steering machine connection module, a starter connection module 1-13, a rear controller module and a camera connection module, and the above modules are respectively connected to the fuse box 1-1, the driving computer and the instrument through a wiring harness. The front controller module centrally controls most of the loads at the front end of the harvester body, and the rear controller module centrally controls most of the loads at the rear end. The safe operation of each module is ensured by the fuse box 1-1. The fuse box 1-1 is set as an eight-way fuse box 1-1. In addition to being able to connect the above modules, it also forms a reserved connection position for the expansion of the protection function. Through the arrangement and coordination of the above modules, the electrical control function on the body is more integrated, and the setting of the wiring supporting control components is more simplified.

[0020] The front controller module includes a front controller body 1-2, which is also connected to the front controller plug-in sheath 1-3 through a harness, and the rear controller module includes a rear controller body 1-4, which is also connected to the rear controller plug-in sheath 1-5 through a harness. Figure 2 As shown, the front controller body 1-2 and the rear controller body 1-4 both include a control chip MCU, the control chip MCU is electrically connected to a drive protection chip (NSE34050Q), the drive protection chip is connected to the load, the control chip MCU is connected to the vehicle computer and the instrument through a CAN bus, the control chip MCU drives the output state by controlling the INPUT and FaultRST pins, and then determines the state of the load through the CS pin for driving or protection, and sends the state of the corresponding load to the instrument through the CAN bus, and the load state is displayed to the user through the instrument, such as normal, short circuit, open circuit or other states, so that the user can know the working status of each load in real time, and when an abnormality occurs, it is easy to find it in time, and accurately locate and process it. Table 1 shows the display content of one page of the instrument.

[0021] Table 1

[0022]

[0023] The front controller plug-in sheath 1-3 is connected to the drive protection chip in the corresponding front controller body 1-2, and the front controller plug-in sheath 1-3 is provided with a front light unit connection terminal, a wiper motor connection terminal, a driving horn connection terminal, a fan connection terminal, a harvesting operation sensor unit connection terminal and a brake unit connection terminal, such as the connection terminals of the front working light, the front left turn signal, the front right turn signal, the fan, the horn, the wiper motor, the low beam, the high beam, the auger sensor, the lifting sensor, the oil temperature sensor and other loads. The rear controller plug-in sheath 1-5 is connected to the drive protection chip in the corresponding rear controller body 1-4, and the rear controller plug-in sheath 1-5 is provided with a rear light unit connection terminal, a reverse horn connection terminal, a charging indication unit connection terminal and an oil quantity signal unit connection terminal, such as the drive of the reverse light, the rear left turn signal, the rear right turn signal, the brake light, the rear light, the reverse horn, the rear roller motor of the drip pump, the grass scraping fan and other loads. The front controller module enables the connection or collection of the drive, current detection, motor drive, corresponding switches and signals for the power output at the front of the vehicle, and the rear controller module enables the connection or collection of the drive, current detection, motor drive, corresponding switches and signals for the power output at the rear of the vehicle, which helps to shorten the length of the wiring harness and reduce costs while ensuring reliability.

[0024] The steering gear connection module includes a steering gear connection harness and a steering gear plug-in sheath 1-6, wherein the steering gear plug-in sheath 1-6 is provided with an electric lock connection terminal, a main power control terminal, a negative power terminal, a foot throttle signal 1, a foot throttle signal 2 and a CAN communication connection terminal, which are used to connect the power supply of the steering gear on the vehicle to the electronic foot throttle. The starter connection module 1-13 includes an ECU power connection terminal, an oil-water separation connection terminal and a CAN communication connection terminal, wherein the ECU power connection terminal includes an ECU power positive electrode and an ECU power negative electrode, the oil-water separation connection terminal includes an oil-water separation ground wire and an oil-water separation signal wire, and the CAN communication connection terminal includes a CANH wire and a CANL wire.

[0025] The camera connection module includes a pair of granary camera male and female plug-in sheaths (i.e. Figure 1 Granary camera female plug-in sheath 1-7 and granary camera male plug-in sheath 1-8), reversing camera male and female plug-in sheath (ie Figure 1 The reversing camera female plug-in cover 1-9 and the reversing camera male plug-in cover 1-10) and the grass warehouse camera male and female plug-in cover (ie Figure 1 The grass warehouse camera male and female plug-in sheaths and the grass warehouse camera male plug-in sheath 1-12) are used to realize the connection between each camera and the driving computer and the instrument, and realize real-time monitoring of the working status of each camera.

[0026] The handrail box module 1-14 and the solenoid valve module 1-15 are respectively provided with power connection terminals and CAN communication connection terminals, wherein the solenoid valve module 1-15 is mainly connected to the solenoid valve installed and used on the vehicle. The connection standby module 1-16 is provided with an ECU power connection terminal and at least one group of CAN communication connection terminals as an expansion standby for power supply and communication connection. Figure 1 Each connection terminal has a corresponding digital code, and its specific connection function is shown in Table 2 and Table 3. The line numbers shown in the tables correspond to the connection terminal numbers in this embodiment.

[0027] Table 2

[0028]

[0029] Table 3

[0030]

[0031] It can be seen from Table 1, Table 2 and Table 3 that the wire numbers and functions corresponding to the connection terminals not mentioned in this embodiment are also displayed, which are the parts to be improved on the harvester, and are used in conjunction with this embodiment to realize the whole vehicle control of the harvester. This embodiment makes the electrical control functions on the vehicle body more integrated and simplified. Each module is connected to the driving computer and instrument through the CAN bus. The circuit is simple, and a bus communication message can be formed for maintenance and reference, making the troubleshooting more intuitive and simple when a fault occurs, and greatly improving the operation and maintenance efficiency.

[0032] The description of the present invention is given for the purpose of illustration and description, and is not intended to be exhaustive or to limit the present invention to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific uses.

Claims

1. The electrical control device for the harvester is connected with the driving computer and instrument on the harvester, and is characterized by: It includes a front controller module, a connection standby module, a handrail box module, a solenoid valve module, a steering gear connection module, a starter connection module, a rear controller module and a camera connection module. The above modules are respectively connected to the fuse box, the on-board computer and the instrument through a wiring harness. The front controller module includes a front controller body, and the front controller body is also connected to the front controller plug-in sheath through a wiring harness. The rear controller module includes a rear controller body, and the rear controller body is also connected to the rear controller plug-in sheath through a wiring harness.

2. The electrical control device for a harvester according to claim 1, characterized in that: The front controller body and the rear controller body both include a control chip, the control chip is electrically connected to a drive protection chip, the drive protection chip is connected to a load, and the control chip is connected to the on-board computer and the instrument through a CAN bus.

3. The electrical control device for a harvester according to claim 2, characterized in that: The front controller plug-in cover is connected to the drive protection chip in the corresponding front controller body, and the front controller plug-in cover is provided with a headlight unit connection terminal, a wiper motor connection terminal, a driving horn connection terminal, a fan connection terminal, a harvesting operation sensor unit connection terminal and a brake unit connection terminal.

4. The electrical control device for a harvester according to claim 2, characterized in that: The rear controller plug-in sheath is connected to the corresponding drive protection chip in the rear controller body, and the rear light unit connection terminal, the reversing horn connection terminal, the charging indication unit connection terminal and the oil level signal unit connection terminal are arranged in the rear controller plug-in sheath.

5. The electrical control device for a harvester according to claim 1, characterized in that: The steering gear connection module includes a steering gear connection harness and a steering gear plug-in sheath, and the steering gear plug-in sheath is provided with an electric lock connection terminal, a main power control terminal, a negative power terminal, a foot throttle signal 1, a foot throttle signal 2 and a CAN communication connection terminal.

6. The electrical control device for a harvester according to claim 1, characterized in that: The starter connection module includes an ECU power connection terminal, an oil-water separation connection terminal and a CAN communication connection terminal.

7. The electrical control device for a harvester according to claim 1, characterized in that: The camera connection module includes a granary camera male and female plug-in sheath, a reversing camera male and female plug-in sheath, and a hay barn camera male and female plug-in sheath arranged in pairs.

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