CN112684271A - Method and device for detecting electrical equipment of tractor - Google Patents
Method and device for detecting electrical equipment of tractor Download PDFInfo
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- CN112684271A CN112684271A CN202011531379.0A CN202011531379A CN112684271A CN 112684271 A CN112684271 A CN 112684271A CN 202011531379 A CN202011531379 A CN 202011531379A CN 112684271 A CN112684271 A CN 112684271A
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- 238000005259 measurement Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
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Abstract
The invention relates to a method for detecting electrical equipment of a tractor, which comprises the steps of selecting a plurality of tractors with normal functions for detection to obtain a calibration value; detecting the off-line tractor according to the calibration value; and taking the tractor number as a label, and storing all detection results and detection data. The invention also provides a detection device for the tractor electrical equipment, which comprises a voltage sensor and a current sensor, and is used for detecting a plurality of tractors with normal functions to obtain a calibration value; the handheld terminal device is used for detecting the off-line tractor according to a calibration value; the industrial control upper computer is used for storing all detection results and detection data by taking the tractor serial number as a label, and the detection method and the detection device for the tractor electrical equipment can effectively monitor the tractor electrical equipment, so that hidden dangers of the tractor which is not monitored and used in the future are reduced.
Description
Technical Field
The invention relates to the field of off-line detection of tractors, in particular to a method and a device for detecting electrical equipment of a tractor.
Background
The production process of the tractor generally comprises four parts of raw material entering a factory, part assembling, whole vehicle assembling and off-line detection, wherein the first three parts are the production process of the tractor from parts to finished products, and the last step is the detection process of the finished products of the tractor. Only after the tractor goes through the four processes, the tractor can be sold as a qualified product.
At present, offline detection of most tractor plants is functional detection of tractors, including vehicle speed detection, brake and axle load detection, light intensity detection, exhaust smoke intensity detection and the like, and the detection lines only pay attention to functional test of the whole tractor, so that test items of a whole tractor system are few.
However, the electrical system is an important component of the whole tractor system, a plurality of electrical devices are equipped on the modern tractor, a means for effectively monitoring the electrical devices of the tractor is not available at present, and the electrical devices which are not monitored have hidden troubles for the future use of the tractor.
Disclosure of Invention
In view of the above, the invention provides a method and a device for detecting electrical equipment of a tractor, which solve the problem that the existing detection line is lack of detection for an electrical system of the tractor.
In order to achieve the above object, a technical solution to solve the technical problem of the present invention is to provide a method for detecting an electrical device of a tractor, comprising the steps of: selecting a plurality of tractors with normal functions for detection to obtain calibration values; detecting the off-line tractor according to the calibration value; and taking the tractor number as a label, and storing all detection results and detection data.
Further, the method for detecting the tractor with normal functions comprises the following steps of: selecting a plurality of qualified tractors; detecting a plurality of qualified tractors; and obtaining a calibration value according to the detected data.
Further, according to the calibration value, detect the tractor that rolls off the production line and include the step: establishing communication connection; obtaining a detection result; and storing the detection result.
Further, the calibration values comprise starting instantaneous power of a tractor starting motor with a normal function, a current waveform chart and the consumed electric quantity in a time period from starting to closing.
Further, the starting instantaneous power is the product of instantaneous current and voltage of the tractor starting motor during starting; the current oscillogram is a current value of each time point in a corresponding time period stored in the embedded system; the electric quantity consumed in the time period from the starting to the closing is an integral value of current and time consumed in the time period from the starting to the closing of the tractor starting motor.
Further, when the calibration value is obtained, the measurement of the voltage and the current is kept, the starting motor is kept to be turned off, other electrical equipment is sequentially turned on, and after each other electrical equipment is turned on, the other electrical equipment is kept for a preset time to obtain the calibration value.
The invention also provides a detection device for the tractor electrical equipment, which comprises a voltage sensor and a current sensor, and is used for detecting a plurality of tractors with normal functions to obtain a calibration value; the handheld terminal device is used for detecting the off-line tractor according to a calibration value; and the industrial control upper computer is used for storing all detection results and detection data by taking the tractor serial number as a label.
Further, the tractor electrical equipment detection device also comprises a code scanner for scanning the number of the tractor.
Further, handheld terminal device includes data debugging module, detection module and historical storage module, the debugging module with detection module communication connection, detection module with historical storage module communication connection for type the calibration value, detection module is used for acquireing the detected value, and will the detected value with the calibration value compares to with the comparison result is deposited in the historical storage module.
Further, the industrial control upper computer comprises a data receiving module and a historical data query module, wherein the data receiving module is in communication connection with the historical data query module so as to receive the detection data of the handheld terminal device by using the data receiving module and transmit the detection data into the historical query module.
Compared with the prior art, the method and the device for detecting the electric equipment of the tractor have the following beneficial effects:
through setting up the calibration value in advance to every tractor that rolls off the production line carries out electrical equipment's detection according to the calibration value, thereby carry out the means of effective monitoring to tractor electrical equipment, reduce that the electrical equipment who does not monitor buries hidden danger for tractor use in the future.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the present invention.
Drawings
Fig. 1 is a schematic block diagram of a detection device for tractor electrical equipment according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a calibration process for the detection apparatus of the tractor electrical equipment of FIG. 1;
FIG. 3 is a schematic diagram of a detection process of the detection apparatus for the electrical equipment of the tractor of FIG. 1;
FIG. 4 is a flow chart illustrating steps of a method for detecting a tractor electrical device in accordance with a second embodiment of the present invention;
FIG. 5 is a flowchart illustrating sub-steps of step S1 of FIG. 4;
fig. 6 is a flowchart illustrating sub-steps of step S2 in fig. 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a tractor electrical equipment detection device, which includes: the industrial control upper computer 10, the handheld terminal device 20, the code scanner 30, the voltage sensor 40 and the current sensor 50, wherein the voltage sensor 40 is connected at the positive and negative stages of the battery of the tractor to be detected, the current sensor 50 is connected on the main positive loop of the battery to detect the voltage value and the current value of the battery respectively, and the voltage sensor 40 and the current sensor 50 are electrically connected with the handheld terminal device 20 respectively. The code scanner 30 is in communication connection with the handheld terminal device 20, and is configured to scan the identification code on the tractor to be detected, and transmit the identification code to the handheld terminal device 20, so as to establish a file corresponding to the tractor on the handheld terminal device 20. The handheld terminal device 20 is also in communication connection with the industrial control upper computer 10, and transmits the detected data to the industrial control upper computer for storage.
Specifically, the industrial control upper computer 10 includes a data receiving module 11 and a historical data query module 12, the data receiving module 11 is in communication connection with the historical data query module 12, so that the data receiving module 11 is used for receiving detection data on the handheld terminal device 20 and transmitting the detection data to the historical query module 12, and the historical query module 12 records data for many times.
The handheld terminal device 20 comprises a data debugging module 21, a detection module 22 and a history storage module 23, the debugging module 21 is in communication connection with the detection module 22, the detection module 22 is in communication connection with the history storage module 23, the data debugging module 21 is used for inputting a calibration value of a detection index, the detection module 22 is used for obtaining a detection value, and comparing the calibration value with an actually detected numerical value to judge whether a detection result is qualified, the history storage module 23 is used for storing data and a comparison result after detection of each tractor, and transmitting the detected data and the comparison result to the history data query module 12 through the data receiving module 11 for storage.
Referring to fig. 4, the present invention further provides a method for detecting electrical equipment of a tractor, comprising the steps of:
s1, selecting a plurality of tractors with normal functions to carry out detection so as to obtain calibration values;
specifically, a plurality of tractors with qualified electrical functions are selected, data of the tractors are measured and counted, and a counted result is used as a detected calibration value. In the subsequent detection process, the calibration value is used as a reference standard, namely, the reference standard is used as a judgment basis for judging whether the product is qualified or not.
The calibration values comprise starting instantaneous power of a tractor starting motor with a normal function, a current oscillogram and electric quantity consumed in a time period from starting to closing, wherein the starting instantaneous power is the product of instantaneous current and voltage of the tractor starting motor during starting; the current waveform diagram is a current value of each time point in a corresponding time period stored in the embedded system, namely the current value corresponding to each time point in the time period from the start to the stop of the tractor starting motor; the electric quantity consumed in the time period from the starting to the closing is the integral value of the consumed current and the consumed time in the time period from the starting to the closing of the tractor starting motor.
In the embodiment, sensors (including a current sensor and a voltage sensor) are installed and connected in a communication mode, the voltage sensor is installed on the positive pole and the negative pole of a tractor battery, the current sensor is installed on a main positive loop close to the positive pole of the battery, and a CAN communication port is connected to a tractor electrical system controller; and connecting the voltage and current sensor, the code scanner and the CAN communication interface to handheld terminal equipment, establishing communication with a tractor controller, entering a parameter debugging module, and starting a calibration mode. The method comprises the steps of obtaining calibration data, scanning a tractor number by using a code scanner, finishing detection parameter initialization and starting to obtain data by using handheld terminal equipment after the code scanning is finished, sending an electrical equipment starting instruction to a tractor electrical system controller by the handheld terminal equipment through CAN communication, sequentially starting or closing corresponding electrical equipment, recording voltage and current data in the calibration process and calculating a corresponding detection index calibration value. The tractor electrical system is turned off and the sensor and communication interface are removed. And (5) performing the operation steps on a plurality of tractors with intact electrical systems to finish the acquisition of the calibration data.
And keeping the measurement of voltage and current, keeping the starting motor turned off, and sequentially turning on other electrical equipment such as headlights and speakers, wherein the preset time is kept after each piece of the other electrical equipment is turned on so as to obtain a calibration value.
It will be appreciated that the predetermined time may be set manually by the specific requirements of the test.
S2, detecting the off-line tractor according to the calibration value;
specifically, after the calibration value is obtained, the tractor to be detected is offline and measured, the detection index of the tractor to be detected is obtained, the detection index is compared with the calibration value, and whether the detection index is qualified or not is judged.
It is understood that the detection indicators include the instantaneous power at start-up of the tractor to be detected, the current waveform diagram, and the amount of power consumed during the period from start-up to shut-down.
In this embodiment, the starting power of the motor is abnormally increased, which may be caused by inter-phase winding, inter-turn insulation resistance value reduction or disconnection of a certain part of the three-phase winding, and the motor is considered to be abnormal; the overall power consumption of the electrical equipment is abnormally increased, and the possible reasons include that the efficiency of the equipment is low, the heat generation is large, and the short circuit or the electric leakage phenomenon of a circuit caused by insulation failure exists; the current abnormality during the operation of the electrical equipment is mainly the larger average value of the overall error and the maximum error, and the possible reason is the short circuit or the electric leakage phenomenon of the circuit, in particular, for the electrical equipment, the current abnormality may be caused by the overlarge load.
The detection method for the storage battery comprises the steps of respectively obtaining the open-circuit voltage of the battery before and after detection, obtaining the SOC of the battery at the beginning and the end of the detection through the mapping relation between the open-circuit voltage and the state of charge (SOC), and calculating the electric quantity consumed by the battery. The detection indexes of the storage battery are whether the voltage of the storage battery is in a normal range at the beginning and the ending time in the test process and whether the consumed electric quantity of the storage battery is the same as the consumed electric quantity in the test process. And storing the detection result, storing the detection result in the handheld terminal equipment after the detection process is finished, and uploading the data to an industrial control upper computer for storage. When the industrial control upper computer receives the data, adding a row of new data to the undetected tractor number; the data is updated for tractor numbers that have already been detected. And after the detection is finished, closing the electric system of the detected object, and taking the voltage and current sensor and the CAN communication interface off the detected object to finish the detection of the electric system of the detected object.
S3, using the tractor number as a label, and storing all detection results and detection data;
specifically, after the detection is finished and a detection result is obtained, the detection result and the corresponding tractor serial number are transmitted to an industrial control upper computer to be stored, so that subsequent inquiry is facilitated.
The detection result comprises the detection date and whether the detection date is qualified, and the detection result of the corresponding tractor can be inquired only according to the serial numbers of different tractors during inquiry.
Referring to fig. 5, step S1 includes the sub-steps of:
s11, selecting a plurality of qualified tractors;
specifically, in the early preparation process, a plurality of tractors which are not qualified after verification are selected, and therefore the corresponding tractors are used as detection standards.
S12, detecting a plurality of qualified tractors;
specifically, a plurality of selected tractors are sequentially subjected to electrical detection, and detected data are recorded.
S13, obtaining a calibration value according to the detected data;
specifically, a calibration value for detecting the tractor is determined based on the recorded data.
Referring to fig. 6, step S2 includes the sub-steps of:
s21, establishing communication connection;
specifically, after the tractor is off-line, the detection equipment is arranged on the tractor to be detected, and communication with the terminal equipment is established, so that a result obtained through detection is fed back to the terminal equipment.
S22, obtaining a detection result;
specifically, after the communication is established, the tractor is detected, and the detection result is obtained by comparing the detection result with a calibration value, namely the tractor is qualified or unqualified.
S23, storing the detection result;
specifically, the detection result and the corresponding tractor number are transmitted to the terminal equipment for storage, so that subsequent inquiry is facilitated.
Compared with the prior art, the method and the device for detecting the electric equipment of the tractor have the following beneficial effects:
through setting up the calibration value in advance to every tractor that rolls off the production line carries out electrical equipment's detection according to the calibration value, thereby carry out the means of effective monitoring to tractor electrical equipment, reduce that the electrical equipment who does not monitor buries hidden danger for tractor use in the future.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A detection method for tractor electrical equipment is characterized by comprising the following steps:
selecting a plurality of tractors with normal functions for detection to obtain calibration values;
detecting the off-line tractor according to the calibration value;
and taking the tractor number as a label, and storing all detection results and detection data.
2. The method for detecting the electrical equipment of the tractor according to claim 1, wherein the step of selecting a plurality of tractors with normal functions for detection to obtain calibration values comprises the following steps:
selecting a plurality of qualified tractors;
detecting a plurality of qualified tractors;
and obtaining a calibration value according to the detected data.
3. The method for detecting the electrical equipment of the tractor according to the claim 1, wherein the step of detecting the tractor which is off-line according to the calibration value comprises the following steps:
establishing communication connection;
obtaining a detection result;
and storing the detection result.
4. The detection method for the electric equipment of the tractor according to claim 1, characterized by comprising the following steps:
the calibration values comprise starting instantaneous power of a tractor starting motor with a normal function, a current oscillogram and electric quantity consumed in a time period from starting to closing.
5. A method of detecting a tractor electrical device as claimed in claim 4, wherein:
the starting instantaneous power is the product of instantaneous current and voltage of the tractor starting motor during starting; the current oscillogram is a current value of each time point in a corresponding time period stored in the embedded system; the electric quantity consumed in the time period from the starting to the closing is an integral value of current and time consumed in the time period from the starting to the closing of the tractor starting motor.
6. The detection method for the electric equipment of the tractor according to claim 1, characterized by comprising the following steps:
and when the calibration value is obtained, the measurement of voltage and current is kept, the starting motor is kept to be turned off, other electrical equipment is sequentially turned on, and each other electrical equipment is kept for a preset time after being turned on so as to obtain the calibration value.
7. The utility model provides a tractor electrical equipment detection device which characterized in that: comprises that
The voltage sensor and the current sensor are used for detecting a plurality of tractors with normal functions to obtain a calibration value;
the handheld terminal device is used for detecting the off-line tractor according to a calibration value;
and the industrial control upper computer is used for storing all detection results and detection data by taking the tractor serial number as a label.
8. The detection device for the electrical equipment of the tractor according to claim 7, characterized in that:
the tractor electrical equipment detection device also comprises a code scanner used for scanning the serial number of the tractor.
9. The detection device for the electrical equipment of the tractor according to claim 7, characterized in that:
the handheld terminal device comprises a data debugging module, a detection module and a history storage module, wherein the debugging module is in communication connection with the detection module, the detection module is in communication connection with the history storage module and used for inputting the calibration value, the detection module is used for acquiring a detection value, comparing the detection value with the calibration value and storing a comparison result into the history storage module.
10. The detection device for the electrical equipment of the tractor according to claim 7, characterized in that:
the industrial control upper computer comprises a data receiving module and a historical data query module, wherein the data receiving module is in communication connection with the historical data query module so as to receive the detection data of the handheld terminal device by using the data receiving module and transmit the detection data to the historical query module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011531379.0A CN112684271A (en) | 2020-12-22 | 2020-12-22 | Method and device for detecting electrical equipment of tractor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011531379.0A CN112684271A (en) | 2020-12-22 | 2020-12-22 | Method and device for detecting electrical equipment of tractor |
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| CN112684271A true CN112684271A (en) | 2021-04-20 |
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| CN202011531379.0A Pending CN112684271A (en) | 2020-12-22 | 2020-12-22 | Method and device for detecting electrical equipment of tractor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390323A (en) * | 2011-08-09 | 2012-03-28 | 联合汽车电子有限公司 | Fault detection method for vehicle steering lamp |
| CN105699803A (en) * | 2016-01-21 | 2016-06-22 | 单立辉 | Electric fault detection system for vehicle |
| CN109839549A (en) * | 2017-11-24 | 2019-06-04 | 上海汽车集团股份有限公司 | The method of real-time and device of vehicle activation system working condition |
| CN211855765U (en) * | 2020-03-03 | 2020-11-03 | 吉林大学 | Tractor complete machine assembly quality detection device |
-
2020
- 2020-12-22 CN CN202011531379.0A patent/CN112684271A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390323A (en) * | 2011-08-09 | 2012-03-28 | 联合汽车电子有限公司 | Fault detection method for vehicle steering lamp |
| CN105699803A (en) * | 2016-01-21 | 2016-06-22 | 单立辉 | Electric fault detection system for vehicle |
| CN109839549A (en) * | 2017-11-24 | 2019-06-04 | 上海汽车集团股份有限公司 | The method of real-time and device of vehicle activation system working condition |
| CN211855765U (en) * | 2020-03-03 | 2020-11-03 | 吉林大学 | Tractor complete machine assembly quality detection device |
Non-Patent Citations (1)
| Title |
|---|
| 魏晓兵等: ""基于LabVIEW的拖拉机电气故障检测系统设计与试验"", 《中国农机化学部》 * |
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Application publication date: 20210420 |