CN114526372A - Method for calibrating electromagnetic valve of transmission control system and loader - Google Patents
Method for calibrating electromagnetic valve of transmission control system and loader Download PDFInfo
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- CN114526372A CN114526372A CN202210232942.7A CN202210232942A CN114526372A CN 114526372 A CN114526372 A CN 114526372A CN 202210232942 A CN202210232942 A CN 202210232942A CN 114526372 A CN114526372 A CN 114526372A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000010586 diagram Methods 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a method for calibrating an electromagnetic valve of a transmission control system and a loader, wherein the method comprises the following steps: s1, judging whether the running state of the transmission control system accords with a set value, if so, performing step S2, and if not, quitting calibration or not; s2, judging whether the calibration instruction is valid, if so, performing the step S3, and if not, quitting calibration or not; and S3, starting from the initial value, gradually increasing the control current of the clutch electromagnetic valve, judging whether the transmission system has torque transmission under the condition of the current control current, recording the last control current value if the torque transmission exists, completing the calibration of the control current value, and if the torque transmission does not exist. The loader transmission control system solenoid valve is calibrated by the method. The operation is simple and the judgment is accurate.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a method for calibrating an electromagnetic valve of a transmission control system and a loader.
Background
In the production link and the use process of the loader, clutch parameters of an electromagnetic valve of a gearbox system in a transmission system need to be calibrated, the existing calibration method has the disadvantages of complicated operation and inaccurate judgment, and brings certain negative effects to the production and the use of the loader.
Disclosure of Invention
The invention aims to provide a method for calibrating an electromagnetic valve of a transmission control system, which is simple to operate and accurate in judgment.
In order to achieve the aim, the invention discloses a method for calibrating an electromagnetic valve of a transmission control system, which comprises the following steps:
s1, judging whether the running state of the transmission control system meets the set value, if so, executing a step S2, and if not, quitting calibration or not;
s2, judging whether the calibration instruction is valid, if so, executing the step S3, and if not, quitting calibration or not;
and S3, starting from the initial value, gradually increasing the control current of the clutch electromagnetic valve, judging whether the transmission system has torque transmission under the condition of the current control current, recording the last control current value if the torque transmission exists, completing the calibration of the control current value, and if the torque transmission does not exist.
The invention calibrates the control current and the control current loading time of the electromagnetic valve of the transmission control system, and has simple operation and accurate judgment.
Preferably, the method further comprises the following steps: s4, fixing the control current as the calibrated control current value in the step S3, starting from an initial value, gradually increasing the loading time of the control current of the electromagnetic valve of the clutch, judging whether the torque is transmitted in the transmission system under the condition of the current loading time, if so, recording the last loading time, and completing the calibration of the loading time of the control current. And during calibration, the operation is simple and the judgment is accurate.
Preferably, in step S4, the rotation speed of the torque converter turbine in the transmission system is detected, and when the amount of change in the rotation speed of the torque converter turbine is greater than a set value, it is determined that torque is transmitted to the transmission system. During calibration, the rotating speed variation of the turbine of the torque converter is used as a means for judging whether the torque transmission exists in the transmission system, the operation is simple, and the judgment is accurate
Preferably, in step S4, the amount of increase in the current application time is the same for each control, and the number of increases is recorded.
Preferably, in step S4, if no torque is transmitted, a message is sent to the meter indicating that the control current is in the load time scale.
Preferably, in step S1, the operating state of the transmission control system includes engine speed, transmission oil temperature or parking brake state. During calibration, the operating state set value range of the transmission control system can be determined according to different working conditions of the engineering machinery so as to adapt to various different working conditions.
Preferably, in step S3, the rotation speed of the torque converter turbine in the transmission system is detected, and when the amount of change in the rotation speed of the torque converter turbine is greater than a set value, it is determined that torque is transmitted to the transmission system. During calibration, the rotating speed variation of the turbine of the torque converter is used as a means for judging whether the torque transmission exists in the transmission system, the operation is simple, and the judgment is accurate
Preferably, in step S3, the amount of increase in current is controlled the same each time, and the number of increases is recorded.
Preferably, in step S3, if there is no torque transmission, a message is sent to the meter to indicate the control current calibration.
A loader, the loader transmission control system electromagnetic valve is calibrated by adopting the method. The operation is simple and the judgment is accurate.
In conclusion, the beneficial effects of the invention are as follows: the invention calibrates the control current and the control current loading time of the electromagnetic valve of the transmission control system, and has simple operation and accurate judgment.
Drawings
FIG. 1 is a schematic diagram of steps S1, S2 of a method for calibrating a solenoid valve of a transmission control system according to the present invention;
FIG. 2 is a schematic diagram of step S3 of the method for calibrating a solenoid valve of a transmission control system according to the present invention;
FIG. 3 is a schematic diagram of step S4 of the method for calibrating a solenoid valve of a transmission control system according to the present invention;
FIG. 4 is a schematic diagram of control current and load time in a method for calibrating a solenoid valve for a transmission control system according to the present invention;
fig. 5 is a schematic structural view of a loader according to the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Embodiment 1, as shown in fig. 1 to 4, a method for calibrating a solenoid valve of a transmission control system includes the steps of:
s1, judging whether the running state of the transmission control system meets the set value, if so, executing a step S2, and if not, quitting calibration or not;
specifically, in step S1, the operating state of the transmission control system includes engine speed, transmission oil temperature, or parking brake state. During calibration, the operating state set value range of the transmission control system can be determined according to different working conditions of the engineering machinery so as to adapt to various different working conditions.
S2, judging whether the calibration instruction is valid, if so, executing the step S3, and if not, quitting calibration or not;
specifically, in step S2, it is confirmed that the driver is on the whole vehicle and issues the calibration command, and the calibration command is considered to be valid. And during calibration, the calibration instruction is confirmed to be accurate, and the calibration accuracy is improved.
And S3, starting from the initial value, gradually increasing the control current of the clutch electromagnetic valve, judging whether the transmission system has torque transmission under the condition of the current control current, recording the last control current value if the torque transmission exists, completing the calibration of the control current value, and if the torque transmission does not exist. And during calibration, the operation is simple and the judgment is accurate.
Specifically, in step S3, the rotational speed of the torque converter turbine in the power train is detected, and when the amount of change in the rotational speed of the torque converter turbine is greater than a set value, that is, when the torque converter turbine stall is greater than a set value, it is determined that torque is transmitted to the power train. During calibration, the rotating speed variation of the turbine of the torque converter is used as a means for judging whether the transmission system has torque transmission, so that the operation is simple and the judgment is accurate.
In step S3, the amount of increase in the current is controlled the same each time, and the number of increases is recorded. During calibration, the control current is calculated through counting, the operation is simple, and the judgment is accurate.
In step S3, if no torque is being transmitted, a message is sent to the meter indicating that the control current is being calibrated. When the calibration is performed, a driver can conveniently know the calibration progress in time.
S4, fixing the control current as the calibrated control current value in the step S3, starting from an initial value, gradually increasing the loading time of the control current of the electromagnetic valve of the clutch, judging whether the torque is transmitted in the transmission system under the condition of the current loading time, if so, recording the last loading time, and completing the calibration of the loading time of the control current. And during calibration, the operation is simple and the judgment is accurate.
Specifically, in step S4, the rotational speed of the torque converter turbine in the power train is detected, and when the amount of change in the rotational speed of the torque converter turbine is greater than a set value, that is, when the torque converter turbine stall is greater than a set value, it is determined that torque is transmitted to the power train. During calibration, the rotating speed variation of the turbine of the torque converter is used as a means for judging whether the transmission system has torque transmission, so that the operation is simple and the judgment is accurate.
In step S4, the amount of increase in the current application time is the same for each control, and the number of increases is recorded. During calibration, the loading time of the control current is calculated through counting, the operation is simple, and the judgment is accurate.
In step S4, if no torque is transmitted, a message is sent to the meter indicating that the control current is in the load time scale. When the calibration is performed, a driver can conveniently know the calibration progress in time.
And S5, sending information to the instrument to display that the calibration is finished. When the calibration is performed, a driver can conveniently know the calibration progress in time.
The invention calibrates the control current and the control current loading time of the electromagnetic valve of the transmission control system, and has simple operation and accurate judgment.
A loader comprises a CAN bus, wherein a diagnosis interface, a gearbox controller, an intelligent key panel, an engine controller and an instrument are connected to the CAN bus, and the CAN bus, the diagnosis interface, the gearbox controller, the intelligent key panel, the engine controller and the instrument all adopt the prior art and are not described again. The transmission control system solenoid valve is calibrated by the method as described in embodiment 1.
The invention calibrates the control current and the control current loading time of the electromagnetic valve of the transmission control system, and has simple operation and accurate judgment.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A method for calibrating an electromagnetic valve of a transmission control system is characterized by comprising the following steps:
s1, judging whether the running state of the transmission control system meets the set value, if so, executing a step S2, and if not, quitting calibration or not;
s2, judging whether the calibration instruction is valid, if so, executing the step S3, and if not, quitting calibration or not;
and S3, starting from the initial value, gradually increasing the control current of the clutch electromagnetic valve, judging whether the transmission system has torque transmission under the condition of the current control current, recording the last control current value if the torque transmission exists, completing the calibration of the control current value, and if the torque transmission does not exist.
2. The method for calibrating a solenoid valve of a transmission control system as recited in claim 1 further comprising the steps of:
s4, fixing the control current as the calibrated control current value in the step S3, starting from an initial value, gradually increasing the loading time of the control current of the electromagnetic valve of the clutch, judging whether the torque is transmitted in the transmission system under the condition of the current loading time, if so, recording the last loading time, and completing the calibration of the loading time of the control current.
3. A method for calibrating a solenoid valve of a transmission control system according to claim 2, wherein in step S4, the rotation speed of the turbine of the torque converter in the transmission system is detected, and when the variation of the rotation speed of the turbine of the torque converter is larger than a set value, the transmission system is considered to have torque transmission.
4. The method for calibrating a solenoid valve of a transmission control system according to claim 2, wherein in step S4, the control current is applied for a time period of the same increment each time, and the number of increments is recorded.
5. The method for calibrating a solenoid valve of a transmission control system according to claim 2, wherein in step S4, if no torque is transmitted, a message is sent to a meter indicating that the control current is in the load time calibration.
6. The method for calibration of a solenoid valve for a transmission control system as claimed in any one of claims 1 to 5 wherein in step S1, the operating condition of the transmission control system includes engine speed, transmission oil temperature or parking brake condition.
7. The method for calibrating a solenoid valve of a transmission control system according to any one of claims 1 to 5, wherein in step S3, the rotation speed of a turbine of a torque converter in the transmission system is detected, and when the variation of the rotation speed of the turbine of the torque converter is greater than a set value, the transmission system is considered to have torque transmission.
8. The method for calibrating a solenoid valve of a transmission control system of claim 87, wherein in step S3, the control current is increased by the same amount each time, and the number of increases is recorded.
9. A method for calibration of a solenoid valve according to any of claims 1 to 5, characterised in that in step S3, if no torque is transmitted, a message is sent to the meter indicating that the control current is being calibrated.
10. A loader characterized in that its transmission control system solenoid valve is calibrated using the method according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232942.7A CN114526372A (en) | 2022-03-10 | 2022-03-10 | Method for calibrating electromagnetic valve of transmission control system and loader |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232942.7A CN114526372A (en) | 2022-03-10 | 2022-03-10 | Method for calibrating electromagnetic valve of transmission control system and loader |
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| CN114526372A true CN114526372A (en) | 2022-05-24 |
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| CN202210232942.7A Pending CN114526372A (en) | 2022-03-10 | 2022-03-10 | Method for calibrating electromagnetic valve of transmission control system and loader |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117738975A (en) * | 2024-02-06 | 2024-03-22 | 中科云谷科技有限公司 | Calibration method, calibration device and storage medium for electromagnetic valve |
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Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Applicant after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Applicant before: LOVOL Engineering Machinery Group Co.,Ltd. |