CN114352608A

CN114352608A - Multifunctional hydraulic controller applied to harvester and control method thereof

Info

Publication number: CN114352608A
Application number: CN202111611993.2A
Authority: CN
Inventors: 朱静; 杨志杰; 范小坚
Original assignee: Jiangsu World Agricultural Machinery Co Ltd
Current assignee: Jiangsu World Agricultural Machinery Co Ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-04-15

Abstract

The invention provides a multifunctional hydraulic controller applied to a harvester and a control method thereof, wherein the multifunctional hydraulic controller is integrated into one controller, different ports of the controller are in short connection through a wire harness, the lifting control of different hydraulic systems is realized, the problems of high production cost and complex control method of the harvester caused by the fact that a plurality of controllers with different models are required to be arranged inside the existing harvester to realize the lifting of different hydraulic systems are solved, the production cost is effectively reduced, and the control method is simple and has wide applicability.

Description

Multifunctional hydraulic controller applied to harvester and control method thereof

Technical Field

The invention relates to the technical field of hydraulic controllers of harvesters, in particular to a multifunctional hydraulic controller applied to a harvester and a control method thereof.

Background

In recent years, more and more electric control hydraulic systems are applied to the harvester, and due to different control modes, different controllers are needed for controlling different hydraulic lifting systems, so that the inside of the harvester needs to be provided with a plurality of controllers of different types to realize lifting of different hydraulic systems, and the production cost of the harvester is higher and the control method is complex.

Disclosure of Invention

The invention discloses a multifunctional hydraulic controller applied to a harvester and a control method thereof, which solve the problems of high production cost and complex control method of the harvester caused by the fact that a plurality of controllers with different models are required to be arranged in the existing harvester to realize the lifting of different hydraulic systems.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

in one aspect, the present invention discloses a multi-functional hydraulic controller for a harvester, the multi-functional hydraulic controller comprising:

a plurality of switching value inputs are effective in low level;

a plurality of switching value outputs are effective at high level;

the CAN communication interfaces are used for receiving control instructions and outputting state information;

a plurality of bi-color lights for indicating valve and power failure;

two of the switching value inputs are module function defining pins, and when the two module defining pins are not input with low level, the switching value inputs are seven-way valve controllers; when one of the two paths of module definition pins has low level input and the other path has no low level input, the two paths of module definition pins are eight-path valve controllers or rear suspension controllers.

Further, the multi-functional hydraulic controller includes:

8 switching value inputs are input and are effective at a low level;

8 switching value outputs are output and are effective at a high level;

the 1-channel CAN communication interface is used for receiving a control instruction and outputting state information;

9 double-color lamps for indicating 8-way valve and power failure;

the first pin to the eighth pin are 8 switching value inputs, the fourteenth pin to the twenty-first pin are 8 switching value outputs, in the 8 switching value inputs, the twentieth pin and the twenty-first pin are module function defining pins, and when no low level input exists in the twentieth pin and the twenty-first pin, the seven-way valve controller is adopted; when the twentieth pin has no low level input and the twenty-first pin has a low level input, the eight-way valve controller is adopted; when the twentieth pin is input by a low level and the twenty-first pin is not input by the low level, the controller is the rear suspension controller.

Further, when the multifunctional hydraulic controller is a seven-way valve controller, a first pin of the multifunctional hydraulic controller is connected with a gun barrel lifting valve, a second pin of the multifunctional hydraulic controller is connected with a gun barrel descending valve, a third pin of the multifunctional hydraulic controller is connected with a grain pulling wheel lifting valve, a fourth pin of the multifunctional hydraulic controller is connected with a grain pulling wheel descending valve, a fifth pin of the multifunctional hydraulic controller is connected with a header lifting valve, a sixth pin of the multifunctional hydraulic controller is connected with a header descending valve, and a seventh pin of the multifunctional hydraulic controller is connected with a main valve.

Further, when the multifunctional hydraulic controller is an eight-way valve controller, a first pin of the multifunctional hydraulic controller is connected with a barrel lift valve, a second pin of the multifunctional hydraulic controller is connected with a barrel drop valve, a third pin of the multifunctional hydraulic controller is connected with a reel lift valve, a fourth pin of the multifunctional hydraulic controller is connected with a reel drop valve, a fifth pin of the multifunctional hydraulic controller is connected with a header lift valve, a sixth pin of the multifunctional hydraulic controller is connected with a header drop valve, a seventh pin of the multifunctional hydraulic controller is connected with a first main valve, an eighth pin of the multifunctional hydraulic controller is connected with a second main valve, and a twenty-first pin of the multifunctional hydraulic controller is grounded.

Further, when the multifunctional hydraulic controller is a rear suspension controller, the first pin of the multifunctional hydraulic controller is connected with the DT2 valve, the second pin of the multifunctional hydraulic controller is connected with the DT3 valve, the third pin of the multifunctional hydraulic controller is connected with the DT4 valve, the fourth pin of the multifunctional hydraulic controller is connected with the DT5 valve, and the twentieth pin of the multifunctional hydraulic controller is grounded.

The invention discloses a control method of a multifunctional hydraulic controller applied to a harvester, which comprises the following steps:

one or none of the two paths of module function definition pins is grounded through a wire harness;

after the multifunctional hydraulic controller identifies, a control method of a seven-way valve controller, an eight-way valve controller or a rear suspension controller is automatically selected, so that the corresponding hydraulic lifting system is controlled.

Further, when the multi-function hydraulic controller is used as a seven-way valve controller, the control method comprises the following steps:

when the eleventh pin of the multifunctional hydraulic controller is at a high level, the multifunctional hydraulic controller works; when the eleventh pin of the multifunctional hydraulic controller is at a low level, the multifunctional hydraulic controller does not work;

when one of the fourteenth pin to the nineteenth pin of the multifunctional hydraulic press has a low level input, the seventh pin outputs a high level, and the main valve is opened;

when the fourteenth pin of the multifunctional hydraulic controller inputs a low level, the first pin of the multifunctional hydraulic controller outputs a high level, the gun barrel lifting valve is opened, the second pin outputs a low level, and the gun barrel lowering valve is closed; when the fourteenth pin of the multifunctional hydraulic controller is not input with a low level, the first pin of the multifunctional hydraulic controller outputs the low level, the gun barrel lifting valve is closed, the second pin outputs the low level, and the gun barrel lowering valve is closed;

when a fifteenth pin of the multifunctional hydraulic controller inputs a low level, a first pin of the multifunctional hydraulic controller outputs the low level, a gun barrel lifting valve is closed, a second pin outputs the high level, and a gun barrel lowering valve is opened; when the fifteenth pin of the multifunctional hydraulic controller has no low level input, the first pin of the multifunctional hydraulic controller outputs a low level, the gun barrel lift valve is closed, the second pin outputs a low level, and the gun barrel drop valve is closed;

when the sixteenth pin of the multifunctional hydraulic controller inputs a low level, the third pin of the multifunctional hydraulic controller outputs a high level, the lifting valve of the reel is opened, the fourth pin outputs a low level, and the lowering valve of the reel is closed; when the sixteenth pin of the multifunctional hydraulic controller is not input with low level, the third pin of the multifunctional hydraulic controller outputs low level, the lifting valve of the reel is closed, the fourth pin outputs low level, and the lowering valve of the reel is closed;

when the seventeenth pin of the multifunctional hydraulic controller inputs a low level, the third pin of the multifunctional hydraulic controller outputs a low level, the lifting valve of the reel is closed, the fourth pin outputs a high level, and the lowering valve of the reel is opened; when the seventeenth pin of the multifunctional hydraulic controller is not input with low level, the third pin of the multifunctional hydraulic controller outputs low level, the lifting valve of the reel is closed, the fourth pin outputs low level, and the lowering valve of the reel is closed;

when the eighteenth pin of the multifunctional hydraulic controller inputs a low level, the fifth pin of the multifunctional hydraulic controller outputs a high level, the header lift valve is opened, the sixth pin outputs a low level, and the header drop valve is closed; when the eighteenth pin of the multifunctional hydraulic controller has no low level input, the fifth pin of the multifunctional hydraulic controller outputs a low level, the header lift valve is closed, the sixth pin outputs a low level, and the header drop valve is closed;

when a nineteenth pin of the multifunctional hydraulic controller inputs a low level, a fifth pin of the multifunctional hydraulic controller outputs a low level, the header lift valve is closed, a sixth pin outputs a high level, and the header drop valve is opened; when the nineteenth pin of the multifunctional hydraulic controller has no low level input, the fifth pin of the multifunctional hydraulic controller outputs a low level, the header lift valve is closed, the sixth pin outputs a low level, and the header drop valve is closed;

when the fourteenth pin of the multifunctional hydraulic controller continuously inputs a low level and the fifteenth pin inputs a low level, the first pin of the multifunctional hydraulic controller outputs a low level, the gun barrel lifting valve is closed, the second pin of the multifunctional hydraulic controller outputs a high level, and the gun barrel lowering valve is opened; when the fifteenth pin of the multifunctional hydraulic controller is terminated to input a low level, the first pin of the multifunctional hydraulic controller outputs a high level, and the gun barrel lift valve is opened;

when the fifteenth pin of the multifunctional hydraulic controller continuously inputs a low level and the fourteenth pin inputs a low level, the first pin of the multifunctional hydraulic controller outputs a high level, the gun barrel lifting valve is opened, the second pin of the multifunctional hydraulic controller outputs a low level, and the gun barrel lowering valve is closed; when the fourteenth pin of the multifunctional hydraulic controller is terminated to input a low level, the second pin of the multifunctional hydraulic controller outputs a high level, and the gun barrel drop valve is opened;

when the sixteenth pin of the multifunctional hydraulic controller continuously inputs a low level and the seventeenth pin inputs a low level, the fourth pin of the multifunctional hydraulic controller outputs a high level, the grain pulling wheel drop valve is opened, the third pin of the multifunctional hydraulic controller outputs a low level, and the grain pulling wheel lift valve is closed; when the seventeenth pin of the multifunctional hydraulic controller is terminated to input a low level, the third pin of the multifunctional hydraulic controller outputs a high level, and the reel lift valve is opened;

when the seventeenth pin of the multifunctional hydraulic controller continuously inputs a low level and the sixteenth pin inputs a low level, the third pin of the multifunctional hydraulic controller outputs a high level, the seedling pulling wheel lifting valve is opened, the fourth pin of the multifunctional hydraulic controller outputs a low level, and the seedling pulling wheel lowering valve is closed; when the sixteenth pin of the multifunctional hydraulic controller is terminated to input a low level, the fourth pin of the multifunctional hydraulic controller outputs a high level, and the reel lifting valve is opened;

when the eighteenth pin of the multifunctional hydraulic controller continuously inputs a low level and the nineteenth pin inputs a low level, the sixth pin of the multifunctional hydraulic controller outputs a high level, the header drop valve is opened, the fifth pin of the multifunctional hydraulic controller outputs a low level, and the header lift valve is closed; when the nineteenth pin of the multifunctional hydraulic controller is terminated to input a low level, the fifth pin of the multifunctional hydraulic controller outputs a high level, and the header lift valve is opened;

when a nineteenth pin of the multifunctional hydraulic controller continuously inputs a low level and an eighteenth pin of the multifunctional hydraulic controller inputs a low level, a fifth pin of the multifunctional hydraulic controller outputs a high level, a header lift valve is opened, a sixth pin of the multifunctional hydraulic controller outputs a low level, and the header drop valve is closed; when the eighteenth pin of the multifunctional hydraulic controller is terminated to input a low level, the sixth pin of the multifunctional hydraulic controller outputs a high level, and the header drop valve is opened.

Further, when the multifunctional hydraulic controller is used as an eight-way valve controller, the control method comprises the following steps:

when one of the fourteenth pin to the seventeenth pin of the multifunctional hydraulic press is input with a low level, the seventh pin outputs a high level, and the first main valve is opened;

when one of the eighteenth pin and the nineteenth pin of the multifunctional hydraulic controller has a low level input, the eighth pin of the multifunctional hydraulic controller outputs a high level, and the second main valve is opened;

Further, when the multifunctional hydraulic controller is used as a rear suspension controller, the control method comprises the following steps:

when the fourteenth pin of the multifunctional hydraulic controller inputs a low level, the multifunctional hydraulic controller enters a floating working mode, the first pin of the multifunctional hydraulic controller outputs the low level, and the DT2 valve is closed; the second pin of the multifunctional hydraulic controller outputs low level, and the DT3 valve is closed; a third pin of the multifunctional hydraulic controller outputs a high level, and the DT4 valve is opened; a fourth pin of the multifunctional hydraulic controller outputs a high level, and the DT5 valve is opened;

when the fifteenth pin of the multifunctional hydraulic controller inputs a low level, the multifunctional hydraulic controller enters an ascending working mode, the first pin of the multifunctional hydraulic controller outputs the low level, and the DT2 valve is closed; a second pin of the multifunctional hydraulic controller outputs a high level, and the DT3 valve is opened; the third pin of the multifunctional hydraulic controller outputs low level, and the DT4 valve is closed; a fourth pin of the functional hydraulic controller outputs a high level, and the DT5 valve is opened;

when the fifteenth pin of the multifunctional hydraulic controller is terminated to input a low level, the first pin of the multifunctional hydraulic controller outputs a low level, and the DT2 valve is closed; the second pin of the multifunctional hydraulic controller outputs low level, and the DT3 valve is closed; the third pin of the multifunctional hydraulic controller outputs low level, and the DT4 valve is closed; the fourth pin of the functional hydraulic controller outputs low level, and the DT5 valve is closed;

when the sixteenth pin of the multifunctional hydraulic controller inputs a low level, the multifunctional hydraulic controller enters a descending working mode, the first pin of the multifunctional hydraulic controller outputs a high level, and the DT2 valve is opened; the second pin of the multifunctional hydraulic controller outputs low level, and the DT3 valve is closed; a third pin of the multifunctional hydraulic controller outputs a high level, and the DT4 valve is opened; the fourth pin of the functional hydraulic controller outputs low level, and the DT5 valve is closed;

when the sixteenth pin of the multifunctional hydraulic controller is terminated to input a low level, the first pin of the multifunctional hydraulic controller outputs the low level, and the DT2 valve is closed; the second pin of the multifunctional hydraulic controller outputs low level, and the DT3 valve is closed; the third pin of the multifunctional hydraulic controller outputs low level, and the DT4 valve is closed; the fourth pin of the functional hydraulic controller outputs low level, and the DT5 valve is closed;

when the fifteenth pin of the multifunctional hydraulic controller continuously inputs a low level and the sixteenth pin of the multifunctional hydraulic controller inputs a low level, the multifunctional hydraulic controller enters a descending working mode; when the sixteenth pin of the multifunctional hydraulic controller is terminated to input a low level, the multifunctional hydraulic controller continuously enters an ascending working mode;

when the sixteenth pin of the multifunctional hydraulic controller continuously inputs a low level and the fifteenth pin of the multifunctional hydraulic controller inputs the low level, the multifunctional hydraulic controller enters an ascending working mode; when the fifteenth pin of the multi-function hydraulic controller terminates the input low level, the multi-function hydraulic controller continues to enter the descent mode of operation.

The beneficial technical effects are as follows:

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a top view of a multi-functional hydraulic controller for a harvester according to the present invention;

FIG. 2 is a side view of a multi-functional hydraulic controller for a harvester according to the present invention;

FIG. 3 is a bottom view of a multi-functional hydraulic controller for a harvester according to the present invention;

fig. 4 is a flowchart illustrating steps of a control method of the multifunctional hydraulic controller applied to a harvester according to the present invention.

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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The invention discloses a multifunctional hydraulic controller applied to a harvester, which comprises: a plurality of switching value inputs are effective in low level; a plurality of switching value outputs are effective at high level; the CAN communication interfaces are used for receiving control instructions and outputting state information; a plurality of bi-color lights for indicating valve and power failure; two of the switching value inputs are module function defining pins, and when the two module defining pins are not input with low level, the switching value inputs are seven-way valve controllers; when one of the two paths of module definition pins has low level input and the other path has no low level input, the two paths of module definition pins are eight-path valve controllers or rear suspension controllers.

As a preferred embodiment of the present invention, the multi-functional hydraulic controller includes 8-way switching value inputs, active at low level; 8 switching value outputs are output and are effective at a high level; the 1-channel CAN communication interface is used for receiving a control instruction and outputting state information; 9 double-color lamps for indicating 8-way valve and power failure; specifically, the first pin to the eighth pin are 8 switching value inputs, the fourteenth pin to the twenty-first pin are 8 switching value outputs, in the 8 switching value inputs, the twentieth pin and the twenty-first pin are module function defining pins, and when no low level input exists in the twentieth pin and the twenty-first pin, the seven-way valve controller is adopted; when the twentieth pin has no low level input and the twenty-first pin has a low level input, the eight-way valve controller is adopted; when the twentieth pin is input by a low level and the twenty-first pin is not input by the low level, the controller is the rear suspension controller.

As an embodiment of the present invention, when the multi-functional hydraulic controller is a seven-way valve controller, the first pin is connected to the barrel lift valve, the second pin is connected to the barrel drop valve, the third pin is connected to the reel lift valve, the fourth pin is connected to the reel drop valve, the fifth pin is connected to the header lift valve, the sixth pin is connected to the header drop valve, and the seventh pin is connected to the main valve, and the specific pin connection relationship thereof is shown in table 1.

Table 1:

as an embodiment of the present invention, when the multifunctional hydraulic controller is an eight-way valve controller, the first pin is connected to the barrel lift valve, the second pin is connected to the barrel drop valve, the third pin is connected to the reel lift valve, the fourth pin is connected to the reel drop valve, the fifth pin is connected to the header lift valve, the sixth pin is connected to the header drop valve, the seventh pin is connected to the first main valve, the eighth pin is connected to the second main valve, and the twenty-first pin is grounded, and the specific pin connection relationship is shown in table 2.

Table 2:

as an embodiment of the present invention, when the multifunctional hydraulic controller is a rear suspension controller, the first pin is connected to the DT2 valve, the second pin is connected to the DT3 valve, the third pin is connected to the DT4 valve, the fourth pin is connected to the DT5 valve, and the twentieth pin is grounded, and the specific pin connection relationship is shown in table 3.

Table 3:

s1: one or none of the two paths of module function definition pins is grounded through a wire harness;

in the invention, the twentieth pin and the twenty-first pin of the multifunctional hydraulic controller are module function definition pins, and when the twentieth pin and the twenty-first pin are not low-level input (namely when the twentieth pin and the twenty-first pin of the multifunctional hydraulic controller are not grounded), the multifunctional hydraulic controller is a seven-way valve controller; when the twentieth pin has no low level input and the twenty-first pin has a low level input (namely the twenty-first pin of the multifunctional hydraulic controller is grounded and the twentieth pin of the multifunctional hydraulic controller is not grounded), the controller is an eight-way valve controller; when the twentieth pin is input by a low level and the twenty-first pin has no low level input (namely, the twentieth pin of the multifunctional hydraulic controller is grounded and the twenty-first pin of the multifunctional hydraulic controller is not grounded), the controller is the rear suspension controller.

S2: after the multifunctional hydraulic controller identifies, a control method of a seven-way valve controller, an eight-way valve controller or a rear suspension controller is automatically selected, so that the corresponding hydraulic lifting system is controlled.

S21: when the multifunctional hydraulic controller is used as a seven-way valve controller, the control method comprises the following steps:

S22: when the multifunctional hydraulic controller is used as an eight-way valve controller, the control method comprises the following steps:

S23: when the multifunctional hydraulic controller is used as a rear suspension controller, the control method comprises the following steps:

The multifunctional hydraulic controller applied to the harvester integrates the controllers with multiple functions into one controller, different ports of the controller are in short connection through the wire harness, lifting control over different hydraulic systems is achieved, the problems that due to the fact that a plurality of controllers with different models need to be arranged inside an existing harvester to achieve lifting of the different hydraulic systems, production cost of the harvester is high, and a control method is complex are solved, production cost is effectively reduced, the control method is simple, and applicability is wide.

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.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A multi-functional hydraulic controller for a harvester, comprising:

a plurality of switching value inputs are effective in low level;

a plurality of switching value outputs are effective at high level;

a plurality of bi-color lights for indicating valve and power failure;

2. The multifunctional hydraulic controller for a harvester according to claim 1, wherein the multifunctional hydraulic controller comprises:

8 switching value inputs are input and are effective at a low level;

8 switching value outputs are output and are effective at a high level;

9 double-color lamps for indicating 8-way valve and power failure;

3. The multifunctional hydraulic controller applied to the harvester according to claim 2, wherein when the multifunctional hydraulic controller is a seven-way valve controller, a first pin of the multifunctional hydraulic controller is connected with a barrel lifting valve, a second pin of the multifunctional hydraulic controller is connected with a barrel lowering valve, a third pin of the multifunctional hydraulic controller is connected with a grain pulling wheel lifting valve, a fourth pin of the multifunctional hydraulic controller is connected with a grain pulling wheel lowering valve, a fifth pin of the multifunctional hydraulic controller is connected with a header lifting valve, a sixth pin of the multifunctional hydraulic controller is connected with a header lowering valve, and a seventh pin of the multifunctional hydraulic controller is connected with a main valve.

4. The multifunctional hydraulic controller applied to the harvester according to claim 2, wherein when the multifunctional hydraulic controller is an eight-way valve controller, a first pin of the multifunctional hydraulic controller is connected with a gun barrel lifting valve, a second pin of the multifunctional hydraulic controller is connected with a gun barrel descending valve, a third pin of the multifunctional hydraulic controller is connected with a grain pulling wheel lifting valve, a fourth pin of the multifunctional hydraulic controller is connected with a grain pulling wheel descending valve, a fifth pin of the multifunctional hydraulic controller is connected with a header lifting valve, a sixth pin of the multifunctional hydraulic controller is connected with a header descending valve, a seventh pin of the multifunctional hydraulic controller is connected with a first main valve, an eighth pin of the multifunctional hydraulic controller is connected with a second main valve, and a twenty-first pin of the multifunctional hydraulic controller is grounded.

5. The multifunctional hydraulic controller for a harvester according to claim 2, wherein when the multifunctional hydraulic controller is a rear suspension controller, the first pin is connected with the DT2 valve, the second pin is connected with the DT3 valve, the third pin is connected with the DT4 valve, the fourth pin is connected with the DT5 valve, and the twentieth pin is grounded.

6. The control method of the multifunctional hydraulic controller applied to the harvester according to the claims 1-5, is characterized by comprising the following steps:

7. The control method of the multifunctional hydraulic controller applied to the harvester according to claim 6, wherein when the multifunctional hydraulic controller is used as a seven-way valve controller, the control method comprises the following steps:

8. The control method of the multifunctional hydraulic controller applied to the harvester according to claim 6, wherein when the multifunctional hydraulic controller is used as an eight-way valve controller, the control method comprises the following steps:

9. The control method of the multifunctional hydraulic controller applied to the harvester according to claim 6, wherein when the multifunctional hydraulic controller is used as a rear suspension controller, the control method comprises the following steps: