CN1971301B - A battery detection system - Google Patents

Abstract

A battery testing system involving testing, including a central console, testing execution equipment, and a data collection device, the testing execution equipment is connected to the corresponding data collection device, the central console is connected to the testing execution equipment through a data bus, and the central console Monitor the testing execution equipment, save and analyze the relevant data of the battery, and send the analysis results to the testing execution equipment, and the testing execution equipment receives and processes the battery related data and forwards it to the central console The analysis results of the console are output, and the data acquisition device collects battery-related data and sends them to the detection execution device; the central console includes a data analysis module, a storage module and a monitoring module; the detection execution device includes a data forwarding module and an analysis Result output module; the invention improves the test accuracy and efficiency, and reduces the labor intensity of operators.

Description

A battery detection system

technical field

The invention relates to detection, in particular to a battery detection system.

Background technique

Among the working parameters of the battery, the self-discharge data of the battery is an important standard for testing the quality level of the battery, and it is one of the main parameters for the qualitative classification of the manufacturer and the selection of the customer. At present, the existing test method is to spray a barcode on each battery, measure the battery voltage manually with a voltmeter, and record the barcode and voltage of the battery, measure and record the battery for the second time after a period of time, and finally manually The two measured voltages are compared and classified. In the manual operation in the prior art, the influence of human factors is greater, the test accuracy is low, the misjudgment rate is high, and the labor intensity is high and the work efficiency is low.

Contents of the invention

The object of the present invention is to provide a battery testing system with high testing accuracy and high working efficiency, so as to overcome the shortcomings in the prior art.

The battery detection system adopted in the present invention is characterized in that it includes a central console, detection execution equipment and data acquisition device, the detection execution equipment is connected with the corresponding data acquisition device, and the central console passes data The bus is connected to the detection execution device;

The central console monitors the detection execution equipment, saves and analyzes the battery-related data, and sends the analysis results to the detection execution equipment;

The detection execution device receives and processes battery-related data and forwards it to the central console, and also receives and outputs analysis results sent from the central console;

The data collection device collects battery-related data and sends it to the detection execution device.

The central console includes a data analysis module, a storage module and a monitoring module, wherein,

The data analysis module analyzes the battery data, and sends the analysis result to the detection execution device or to the storage module for storage;

The storage module saves relevant battery data and analysis results, and accepts calls and forwards from the data analysis module;

The monitoring module monitors the working status of the detection execution equipment.

The system includes a plurality of detection execution devices, and each detection execution device communicates with a corresponding data acquisition device.

The central console is connected with the detection execution equipment through the RS485 bus.

The battery-related data includes battery barcode, battery voltage and its corresponding test time and test times.

The analysis results are classified according to the voltage difference change of the battery, and the pressure difference change refers to the voltage difference after the battery is naturally discharged within a threshold value of a set time interval.

The detection execution device includes a data forwarding module and an analysis result output module, wherein,

The data forwarding module sends the received battery data to the central console;

The analysis result output module receives and outputs the analysis result sent from the central console.

The analysis result output module includes a display submodule.

The data acquisition device includes a barcode scanner and a voltage measuring instrument, and the barcode scanner and the voltage measuring instrument are respectively directly connected to the detection execution equipment.

The detection execution device also includes a control execution module, the control execution module receives the state information of the voltage measuring instrument and the data forwarding module, reflects the state information of the voltage measuring instrument through the analysis result output module, and controls the working state of the voltage measuring instrument .

The beneficial effects of the present invention are as follows: in the present invention, the battery-related data collected by the data acquisition device is received by the detection and execution equipment, and then the battery-related data is stored and analyzed through the central console, for example, according to the natural discharge of the battery The final voltage difference is classified, and the analysis result is sent to the detection execution device, which realizes the automatic detection and analysis of the battery-related data. Compared with the manual operation in the prior art, the present invention reduces the human factors as much as possible. impact, greatly improving the test accuracy and efficiency, and reducing the labor intensity of the operator; moreover, in the present invention, the relevant data of the battery is stored in the central console, and the historical data can be easily queried and counted, thereby According to the statistical results, the relevant classification standards are set more scientifically.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is the internal structure and control schematic diagram of the center console, detection execution equipment and data acquisition device of the present invention;

Fig. 3 is a schematic structural diagram of the voltage measuring instrument in the present invention.

Detailed ways

Below according to accompanying drawing and embodiment the present invention will be described in further detail:

As shown in Figure 1, the present invention includes a central console 1, a plurality of detection execution devices 2 and a plurality of data collection devices a, b, ..., x, each detection execution device 2 and corresponding data collection devices a, b, ... or x are connected to complete mutual communication, and the central console 1 is connected to the detection execution device 2 through the RS485 data bus.

As shown in Figure 1, the central console 1 monitors the detection execution device 2, saves and analyzes the relevant data of the battery, and sends the analysis result to the detection execution device 2. In the present invention, the battery-related data may include battery The bar code, battery voltage and its corresponding test time and number of tests, the analysis results can be classified according to the voltage difference change of the battery. The pressure difference change refers to the natural discharge of the battery after a set test time interval After the voltage difference.

As shown in FIG. 1 , the detection execution device 2 receives and processes battery-related data and forwards it to the central console 1 , and also receives and outputs analysis results sent from the central console 1 .

As shown in FIG. 1 , the data collection device 3 collects battery-related data and sends it to the detection execution device 2 .

As shown in Figure 2, the central console 1 includes a data analysis module 11, a storage module 12 and a monitoring module 13, wherein the data analysis module 11 analyzes the battery data, and sends the analysis results to the detection execution device 2 or to the storage Module 12 saved.

As shown in FIG. 2 , the storage module 12 saves relevant battery data and analysis results, and accepts calls and forwards from the data analysis module 11 .

As shown in FIG. 2 , the monitoring module 13 monitors the working status of the detection execution device 2 .

As shown in FIG. 2 , the detection execution device 2 includes a data forwarding module 21 , an analysis result output module 22 and a control execution module 23 , and the analysis result output module 22 includes a display submodule 220 .

As shown in FIG. 2 , the data forwarding module 21 sends the received battery data to the data analysis module 11 or the storage module 12 in the central console 1 .

As shown in FIG. 2 , the analysis result output module 22 receives the analysis result sent from the data analysis module 11 and displays it through the display sub-module 220 .

As shown in FIG. 2 , the data acquisition device a in this embodiment includes a barcode scanner a1 and a voltage measuring instrument a2 , and the barcode scanner a1 and the voltage measuring instrument a2 are respectively directly connected to the data forwarding module 21 in the detection execution device 2 .

As shown in Figure 2, the detection execution device 2 also includes a control execution module 23, the control execution module 23 receives the state information of the voltage measuring instrument a2 and the data forwarding module 21, and reflects the state information of the voltage measuring instrument a2 through the analysis result output module 22, and Control the working state of the voltage measuring instrument a2.

As shown in Figure 3, the voltage measuring instrument a2 includes a solenoid valve a21, a battery positioning block a22, a positioning sensor a23, a cylinder (including the upper cylinder a24 and a lower cylinder a25), a voltmeter head a26, and a detection head (including the upper detection Head a27 and lower detection head a28), wherein,

As shown in Figure 3, the upper detection head a27 is connected to the end of the upper cylinder a24, the lower detection head a28 is connected to the end of the lower cylinder a25, the upper detection head a27, the lower detection head a28 are electrically connected to the voltmeter head a26.

As shown in FIG. 3 , the solenoid valve a21 controls the start and stop states of the upper cylinder a24 and the lower cylinder a25 .

As shown in Figure 3, the battery positioning block a22 is connected to the positioning sensor a23, when the battery B is placed in the battery positioning block a22, the positioning sensor a23 generates an induction signal, and sends the induction signal to the control in the detection execution device 2 The execution module 23, knowing that the battery B has been installed in place through the analysis result output module 22, can control the execution module 23 to send an activation signal to the solenoid valve a21 after a certain delay.

The solenoid valve a21 starts the solenoid valve a21, so that the solenoid valve a21 starts the upper cylinder a24 and the lower cylinder a25, so that the upper detection head a27 and the lower detection head a28 move relative to each other, the battery B is connected to the voltmeter head a26, and the data forwarding module 21 obtains the voltage data through the voltmeter head a26, and then, the control execution module 23 learns that the voltage data has been obtained through the data forwarding module 21, and the control execution module 23 sends a start signal to the solenoid valve a21, and the upper cylinder a24 and the lower cylinder a25 respectively drive the upper The detection head a27 and the lower detection head a28 return to their original positions.

Concrete detection process of the present invention is as follows:

1. Put the battery B into the barcode scanning area, the barcode scanner a1 obtains the barcode data of the battery B, and sends the barcode data to the data forwarding module 21, and the data forwarding module 21 forwards it to the storage module 12.

2. Put the battery B into the battery positioning block a22 of the voltage measuring instrument a2, the voltmeter head a26 obtains the voltage data, and sends it to the data forwarding module 21, and the data forwarding module 21 forwards it to the storage module 12 or the data analysis module 11 .

3. The data analysis module 11 generates the battery data corresponding to the battery barcode, battery voltage and corresponding test time according to the received data, and calls the battery data stored in the storage module 12 to find whether there is any battery in the previous record. The data corresponding to the barcode number, and do the following operations accordingly:

31. If there is no data corresponding to the barcode number in the previous record, the data analysis module 11 writes the record of the battery data into the storage module 12. The complete record of the battery data includes the battery barcode, battery voltage, and corresponding test time, the corresponding number of tests, in this case, the number of tests is 1, and its analysis result is reflected as the first pressure measurement, and the data analysis module 11 sends the analysis result to the analysis result output module 22, and the analysis result output module 22 Through the display sub-module 220 displaying the information of "the first pressure measurement is completed", the operator can store the battery B in a corresponding position according to the information, and save it for the next test in the future.

32. If there is data corresponding to the barcode number in the previous record, and if there is only one record corresponding to the barcode number in the previous record, the data analysis module 11 calculates the time between the test time in the previous record and this test interval; if the corresponding record of the barcode number in the previous record is two or more than two, the data analysis module 11 then calculates the time interval between the first test time and this test in the previous record, and the data analysis module 11 Do the following:

321. If the calculated time interval is less than a set time interval lower limit threshold, the analysis result reflects that this test is invalid, and the battery is classified as abnormal pressure measurement, and the data analysis module 11 takes the battery data The complete record is written in the storage module 12; meanwhile, the data analysis module 11 sends the analysis result to the analysis result output module 22, and the analysis result output module 22 shows the "pressure measurement abnormality/next time" information by the display sub-module 220, to Prompt that the next test can be performed later.

322. If the calculated time interval is greater than a set time interval upper limit threshold, the analysis result reflects that this test is invalid, and the battery is classified as abnormal pressure measurement, and the data analysis module 11 takes the battery data The complete record is written in the storage module 12; meanwhile, the data analysis module 11 sends the analysis result to the analysis result output module 22, and the analysis result output module 22 displays the "pressure measurement abnormality/cancellation" information through the display sub-module 220 to prompt It is recommended that the test on this battery B be canceled.

323. Otherwise, the analysis result reflects that this test is valid, and the difference between the battery voltage in the first record or the battery voltage in the first record and the battery voltage in this test is calculated, and the Battery classification can be divided into 5 categories according to the difference, such as:

Class 1: 0 to 0.008V;

Class 2: 0.009V to 0.012V;

Class 3: 0.013V to 0.016V;

Class 4: 0.017 to 0.020V;

Category 5: Above 0.020V.

The data analysis module 11 writes the complete record of the battery data into the storage module 12; at the same time, the data analysis module 11 sends the analysis result to the analysis result output module 22, and the analysis result output module 22 displays " Classification number, test valid/completed" message to indicate that the test of the battery B is all over.

The present invention completes the detection of the battery B through the above detection process, and obtains the classification of the battery B; or conducts the next test in the future for the battery B that has not been completely tested.

In the above-mentioned embodiments, the reception of the data collected by the data collection device is completed by a separate corresponding detection execution device, or one detection execution device can receive the data collected by all the data collection devices, which is important for those skilled in the art. In other words, it can be implemented without any creative work, and its control process is the same or similar to that described above, so it will not be repeated here.

Claims (9)

1. A battery detection system, characterized in that: it comprises a central console, detection execution equipment and a data acquisition device, the detection execution equipment is connected to the corresponding data acquisition device, and the central console is connected through a data bus Connect with the detection execution equipment; The central console monitors the detection execution equipment, saves and analyzes the battery-related data, and sends the analysis results to the detection execution equipment; The detection execution device receives and processes battery-related data and forwards it to the central console, and also receives and outputs analysis results sent from the central console; The data collection device collects battery-related data and sends it to the detection execution device; The battery-related data includes battery barcode, battery voltage and its corresponding test time and test times. 2. The battery detection system according to claim 1, characterized in that: the central console includes a data analysis module, a storage module and a monitoring module, wherein, The data analysis module analyzes the battery data, and sends the analysis result to the detection execution device or to the storage module for storage; The storage module saves relevant battery data and analysis results, and accepts calls and forwards from the data analysis module; The monitoring module monitors the working status of the detection execution equipment. 3 . The battery testing system according to claim 1 , wherein the system includes a plurality of testing execution devices, each of which communicates with a corresponding data acquisition device. 4 . 4. The battery testing system according to claim 3, characterized in that: said central console is connected to the testing execution device through RS485 bus. 5. The battery detection system according to claim 1, characterized in that: said analysis results are classified according to the change in pressure difference of the battery, and said change in pressure difference refers to the change in a set time interval Within the threshold, the voltage difference after the battery is naturally discharged. 6. The battery testing system according to any one of claims 1-5, characterized in that: said testing execution device includes a data forwarding module and an analysis result output module, wherein said data forwarding module will receive The battery data is sent to the central console; the analysis result output module receives and outputs the analysis results sent from the central console. 7. The battery testing system according to claim 6, wherein the analysis result output module includes a display sub-module. 8. The battery testing system according to any one of claims 1-5, characterized in that: said data acquisition device includes a barcode scanner and a voltage measuring instrument, and said barcode scanner and voltage measuring instrument directly Connect to the test execution device. 9. The battery detection system according to claim 8, characterized in that: the detection execution device further includes a control execution module, the control execution module receives the status information of the voltage measuring instrument and the data forwarding module, and analyzes the result The output module reflects the state information of the voltage measuring instrument and controls the working state of the voltage measuring instrument.

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