CN116559692A - Battery testing device and battery testing rapid positioning method - Google Patents
Battery testing device and battery testing rapid positioning method Download PDFInfo
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- CN116559692A CN116559692A CN202310537915.5A CN202310537915A CN116559692A CN 116559692 A CN116559692 A CN 116559692A CN 202310537915 A CN202310537915 A CN 202310537915A CN 116559692 A CN116559692 A CN 116559692A
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- 238000012360 testing method Methods 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims abstract description 54
- 239000000523 sample Substances 0.000 claims abstract description 112
- 238000001514 detection method Methods 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 13
- 238000005401 electroluminescence Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000000504 luminescence detection Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
- G01R31/388—Determining ampere-hour charge capacity or SoC involving voltage measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The application provides a battery testing device and a quick positioning method for battery testing, wherein the battery testing device comprises: the integrated probe row, the calibration positioning structure, the positioning recording mechanism and the position recording mechanism; when the PAD points of the to-be-calibrated IBC battery pieces correspond to the probe positions of the integrated probe row one by one, the relative positions between the to-be-calibrated IBC battery pieces and the integrated probe row are positioned, and the test positions of the to-be-calibrated IBC battery pieces and the working positions of the integrated probe row are obtained; the positioning recording mechanism is used for recording the test position of the IBC battery piece to be calibrated; and the position recording mechanism is used for recording the working position coordinates of the integrated probe row. In the technical scheme, through setting up calibration location structure, location record mechanism and position record mechanism, realized IBC battery test in-process, await measuring the quick accurate location between IBC battery piece and the integrative probe row, improved the detection efficiency that the IBC battery carried out EL and IV detection.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a battery testing device and a battery testing rapid positioning method.
Background
The existing EL (EL english full name Electro Luminescence, electroluminescence, also called electron luminescence detection) and IV (current Voltage test) test equipment is mainly applicable to a structure in which both sides of a solar cell have grid lines. The principle is that the two sides of the battery are respectively provided with positive and negative poles, and the upper probe and the lower probe are respectively contacted with grid lines on the two sides of the battery for testing. The upper and lower probe rows of the testing mechanism are in one-to-one correspondence with the grid lines on the front and back sides of the battery piece, so that the positions of the upper probe row and the grid lines on the front side of the battery piece can be adjusted first, and then the positions of the lower probe row are adjusted according to the positions of the upper probe row, so that the upper probe row and the lower probe row correspond to the grid lines on the front and back sides of the battery piece. The front surface of the IBC battery piece is not provided with a grid line, and meanwhile, the upper probe is arranged into an integral structure, so that the EL and IV test equipment cannot be positioned and debugged by a conventional debugging method. Therefore, according to the specificity of the IBC battery, it is highly desirable to invent a new method or structure for debugging and positioning of EL and IV test equipment.
Disclosure of Invention
The application provides a battery testing device and a battery testing rapid positioning method, which are used for improving the detection efficiency of EL and IV detection of an IBC battery and solving the technical problem that the IBC battery piece cannot be positioned and debugged by a conventional debugging method.
In a first aspect, there is provided a battery testing apparatus comprising: an integrated probe row, a calibration positioning structure, a positioning recording mechanism and a position recording mechanism, wherein,
the calibration positioning structure is used for positioning the relative position between the IBC battery piece to be calibrated and the integrated probe row when the PAD point of the IBC battery piece to be calibrated corresponds to the probe position of the integrated probe row one by one in the calibration process, and acquiring the test position of the IBC battery piece to be calibrated and the working position of the integrated probe row;
the positioning recording mechanism is used for recording the test position of the IBC battery piece to be calibrated in the calibration process;
and the position recording mechanism is used for recording the working position coordinates of the integrated probe row in the calibration process.
According to the technical scheme, the calibration positioning structure, the positioning recording mechanism and the position recording mechanism are arranged, and when the PAD point of the IBC battery piece to be calibrated corresponds to the probe position of the integrated probe row one by utilizing the calibration positioning structure, the test position of the IBC battery piece to be calibrated and the working position of the integrated probe row are obtained; the testing position is utilized to quickly position the IBC battery piece to be tested, and the working position is utilized to quickly position the integrated probe row; the quick and accurate positioning between the IBC battery piece to be tested and the integrated probe row in the IBC battery testing process is realized, and the detection efficiency of the IBC battery for EL and IV detection is improved.
In a specific embodiment, the battery testing device further comprises:
and the position sensor is used for detecting the working position of the integrated probe row in the calibration process and transmitting the detected coordinates of the working position to the position recording mechanism.
In a specific embodiment, the battery testing device further comprises: a control system and an adjustment platform, wherein,
the position sensor is also used for detecting the real-time position of the integrated probe row during testing and sending the detected coordinates of the real-time position to the control system;
the control system is used for comparing the real-time position coordinates with the working position coordinates in the test process, editing and sending control signals to the adjustment platform according to the comparison result;
the adjusting platform is used for fixing the integrated probe row and driving the integrated probe row to a working position according to the received control signal.
In a specific embodiment, the battery testing device further comprises:
the battery turntable is used for fixing the IBC battery piece to be calibrated in the calibration process; and fixing the IBC battery piece to be tested in the test process.
In a specific embodiment, the battery testing device further comprises:
and the upper pressing structure is used for pressing the IBC battery piece to be tested on the battery turntable in the testing process.
In a specific embodiment, the battery testing device further comprises: the body of the test structure, wherein,
the integrated probe row is fixedly connected with the test structure main body, and the test structure main body is fixedly connected with the adjustment platform.
In a specific embodiment, the alignment positioning structure is disposed on the integrated probe row.
In a specific embodiment, the pressing structure is fixedly connected with the main body of the test structure, and the pressing structure is arranged corresponding to the position of the battery turntable.
In a second aspect, a battery test rapid positioning method based on the battery test device is provided, which comprises the following steps:
when the PAD points of the IBC battery pieces to be calibrated correspond to the probe positions of the integrated probe row one by one, the test positions of the IBC battery pieces to be calibrated and the working positions of the integrated probe row are obtained;
recording the test position of the IBC battery piece to be calibrated;
recording the working position coordinates of the integrated probe row;
rapidly positioning the IBC battery piece to be tested by using the recorded test position of the IBC battery piece to be calibrated;
and (3) rapidly positioning the integrated probe row by recording the working position coordinates of the integrated probe row.
In a specific embodiment, the battery test rapid positioning method further comprises:
in the calibration process, the working position of the integrated probe row is detected, and the coordinates of the detected working position are sent to a position recording mechanism.
In the above technical scheme, when the PAD point of the IBC battery piece to be calibrated corresponds to the probe position of the integrated probe row one by one, the relative position between the IBC battery piece to be calibrated and the integrated probe row is positioned by using the calibration positioning structure, and the test position of the IBC battery piece to be calibrated and the working position of the integrated probe row are obtained; the testing position is utilized to quickly position the IBC battery piece to be tested, and the working position is utilized to quickly position the integrated probe row; the quick and accurate positioning between the IBC battery piece to be tested and the integrated probe row in the IBC battery testing process is realized, and the detection efficiency of the IBC battery for EL and IV detection is improved.
Drawings
Fig. 1 is a schematic structural view (front view) of a battery testing device according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram (perspective view) of a battery testing device according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an IBC battery according to an embodiment of the present disclosure;
FIGS. 4a-4b are schematic diagrams illustrating a positioning state of the calibration positioning structure in the battery testing device according to the embodiments of the present application;
FIGS. 5a-5e are schematic diagrams illustrating a positioning state of a battery test device according to another embodiment of the present application;
FIGS. 6a-6e are schematic diagrams illustrating a positioning state of a battery test device according to another embodiment of the present application;
fig. 7 is a block diagram of steps of a battery test quick positioning method according to an embodiment of the present application.
Detailed Description
The present application is further described in detail below by way of the accompanying drawings and examples. The features and advantages of the present application will become more apparent from the description.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not collide with each other.
In order to facilitate understanding of the battery testing device and the battery testing rapid positioning method provided by the embodiment of the application, an application scene is described first. The battery testing device is used for improving the detection efficiency of EL and IV detection of the IBC battery, and is applied to IBC battery testing. The front surface of the IBC battery piece is not provided with a grid line, and meanwhile, the upper probe is arranged into an integral structure, so that the EL and IV test equipment cannot be positioned and debugged by a conventional debugging method. Therefore, the embodiment of the application provides a battery testing device and a battery testing rapid positioning method, so that the detection efficiency of EL and IV detection of an IBC battery is improved. The following detailed description is of embodiments with reference to the specific drawings.
Referring to fig. 1, fig. 2 and fig. 3 together, fig. 1 is a schematic structural diagram (front view) of a battery testing device according to an embodiment of the present application. Fig. 2 is a schematic structural diagram (perspective view) of a battery testing device according to an embodiment of the present application. Fig. 3 is a schematic structural diagram of an IBC battery according to an embodiment of the present application. In fig. 1 and 2, an embodiment of the present application provides a battery testing device, including: an integrated probe row 5, a calibration positioning structure 7, a positioning recording mechanism and a position recording mechanism. Wherein,,
and the calibration positioning structure 7 is used for positioning the relative position between the IBC battery piece to be calibrated and the integrated probe row 5 when the PAD point of the IBC battery piece to be calibrated corresponds to the probe position of the integrated probe row 5 one by one in the calibration process, so as to obtain the test position of the IBC battery piece to be calibrated and the working position of the integrated probe row 5.
And the positioning recording mechanism is used for recording the test position of the IBC battery piece to be calibrated in the calibration process.
And the position recording mechanism is used for recording the working position coordinates of the integrated probe row 5 in the calibration process.
In the above technical solution, by setting the calibration positioning structure 7, the positioning recording mechanism and the position recording mechanism, when the PAD point of the IBC battery piece to be calibrated corresponds to the probe position of the integrated probe row 5 one by using the calibration positioning structure 7, the relative position between the IBC battery piece to be calibrated and the integrated probe row 5 is positioned, so as to obtain the test position of the IBC battery piece to be calibrated and the working position of the integrated probe row 5; the testing position is utilized to quickly position the IBC battery piece 3 to be tested, and the working position is utilized to quickly position the integrated probe row 5; the quick and accurate positioning between the IBC battery piece 3 to be tested and the integrated probe row 5 in the IBC battery testing process is realized, and the detection efficiency of the IBC battery for EL and IV detection is improved.
With continued reference to fig. 1, in one particular possible embodiment, the battery testing apparatus further comprises:
and the position sensor is used for detecting the working position of the integrated probe row 5 in the calibration process and sending the detected coordinates of the working position to the position recording mechanism.
The position sensor is further used for detecting the real-time position of the integrated probe row 5 during testing and sending the detected coordinates of the real-time position to the control system.
And the control system is used for comparing the real-time position coordinates with the working position coordinates in the test process, and editing and sending a control signal to the adjustment platform 6 according to the comparison result. The specific structure of the position sensor and the control system and the control program of the curing in the control system are shown in the figure, and are conventional technology and equipment, and are not repeated here.
The adjusting platform 6 is used for fixing the integrated probe row 5 and driving the integrated probe row 5 to a working position according to the received control signal.
With continued reference to fig. 1 and 2, in one particular possible embodiment, the battery testing apparatus further comprises: the battery turntable 4 is used for fixing the IBC battery piece to be calibrated in the calibration process; during the test, the IBC battery piece 3 to be tested is fixed. And the pressing structure 2 is used for pressing the IBC battery piece 3 to be tested on the battery turntable 4 in the testing process. The test structure body 1, wherein, integral type probe row 5 and test structure body 1 fixed connection, test structure body 1 and adjustment platform 6 fixed connection. The alignment positioning structure 7 is arranged on the integrated probe row 5. The upper pressing structure 2 is fixedly connected with the testing structure main body 1, and the upper pressing structure 2 is correspondingly arranged with the battery turntable 4 in position.
In order to facilitate understanding of the embodiments provided in the present application, the following description is given to the flow of the normal test:
1. the IBC battery piece 3 to be tested is positioned above the battery rotating disc 4, and the IBC battery piece 3 to be tested is sucked and fixed by a suction nozzle of the battery rotating disc 4;
2. the upper pressing structure 2 moves downwards, and the glass plane of the upper pressing structure 2 presses the front surface of the test IBC battery piece 3;
3. the integrated probe row 5 runs upwards, and the probe plane contacts the back surface of the IBC battery piece 3 to be tested;
4. after the probes are contacted with the corresponding positions of the battery pieces, the EL or IV testing module performs corresponding testing.
In the process, each probe on the integrated probe row 5 needs to be in one-to-one correspondence with each PAD point on the back surface of the IBC battery piece 3 to be tested and is in good contact with each PAD point, so that the accuracy of the test can be ensured. However, the integrated probe row 5 is below the IBC battery piece 3 to be tested, and is blocked by the IBC battery piece 3 to be tested, so that the alignment position cannot be conveniently and quickly adjusted.
Referring to fig. 4, fig. 5 and fig. 6,4a-4b are schematic diagrams of the positioning state of the calibration positioning structure in the battery testing device according to the embodiment of the present application. Fig. 5a-5e are schematic diagrams illustrating a positioning state of another calibration positioning structure in a battery testing device according to an embodiment of the present application. Fig. 6a-6e are schematic diagrams illustrating a positioning state of another calibration positioning structure in a battery testing device according to an embodiment of the present application. As shown in fig. 4, on the plane of the integrated probe row 5, according to the size of the IBC battery piece 3 to be tested, a calibration positioning structure 7 for alignment is disposed on the probe row at four corners opposite to the battery piece, and the calibration positioning structure 7 adopts a positioning column, and the calibration process is as follows:
1. the IBC battery piece to be calibrated runs to the battery turntable 4 and is sucked and fixed by a sucker of the battery turntable 4;
2. the integrated probe row 5 moves upwards for a certain distance from the IBC battery piece 3 to be tested; the debugging personnel adjusts the position of the adjusting platform 6 according to the distance between the positioning column and the battery piece so as to drive the testing structure main body 1, and adjusts the distance between the positioning column and the battery piece;
3. in the adjustment process, whether the positions of the battery piece and the positioning column are centered or not is checked manually in real time. The positioning recording mechanism adopts a positioning camera, so that the positioning accuracy can be intuitively detected. After the position is centrally adjusted in place, the positioning camera photographs and stores the position of the IBC battery piece to be calibrated at the moment, and the test position of the IBC battery piece 3 to be tested is obtained; the position recording mechanism also stores the position of the integrated probe row 5 at this time to obtain the working position coordinates of the integrated probe row 5. Thus, the calibration process of the IBC battery piece to be calibrated and the integrated probe row 5 is completed.
For the subsequent test process of the IBC battery piece 3 to be tested, the IBC battery piece 3 to be tested is rapidly positioned according to the recorded test position of the IBC battery piece to be tested; and the recorded working position coordinates of the integrated probe row 5 are utilized to rapidly position the integrated probe row 5, and the integrated probe row 5 is adjusted to the working position through the adjusting platform 6.
Referring to fig. 7, fig. 7 is a block diagram illustrating steps of a battery test quick positioning method according to an embodiment of the present application. In fig. 7, an embodiment of the present application provides a battery test quick positioning method based on a battery test device, including the following steps:
when the PAD point of the to-be-calibrated IBC battery piece corresponds to the probe position of the integrated probe row 5 one by one, the relative position between the to-be-calibrated IBC battery piece and the integrated probe row 5 is positioned by utilizing the calibration positioning structure 7, so that the test position of the to-be-calibrated IBC battery piece and the working position of the integrated probe row 5 are obtained;
recording the test position of the IBC battery piece to be calibrated by utilizing a positioning recording mechanism;
recording the working position coordinates of the integrated probe row 5 by using a position recording mechanism;
the recorded test position of the IBC battery piece to be calibrated is utilized to rapidly position the IBC battery piece 3 to be tested;
and the working position coordinates of the integrated probe row 5 are recorded, so that the integrated probe row 5 is rapidly positioned.
In a specific embodiment, the battery test rapid positioning method further comprises:
the position sensor is used to detect the working position of the integrated probe row 5 during calibration and to send the coordinates of the detected working position to the position registration mechanism.
In the above technical solution, when the PAD point of the IBC battery piece to be calibrated corresponds to the probe position of the integrated probe row 5 one by one, the calibration positioning structure 7 is used to position the relative position between the IBC battery piece to be calibrated and the integrated probe row 5, so as to obtain the test position of the IBC battery piece to be calibrated and the working position of the integrated probe row 5; the testing position is utilized to quickly position the IBC battery piece 3 to be tested, and the working position is utilized to quickly position the integrated probe row 5; the quick and accurate positioning between the IBC battery piece 3 to be tested and the integrated probe row 5 in the IBC battery testing process is realized, and the detection efficiency of the IBC battery for EL and IV detection is improved.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "left", "right", etc. are based on the directions or positional relationships in the working state of the present application, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, unless explicitly specified and limited otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The present application has been described in connection with the preferred embodiments, but these embodiments are merely exemplary and serve only as illustrations. On the basis of this, many alternatives and improvements can be made to the present application, which fall within the scope of protection of the present application.
Claims (10)
1. A battery testing apparatus, comprising: an integrated probe row, a calibration positioning structure, a positioning recording mechanism and a position recording mechanism, wherein,
the calibration positioning structure is used for acquiring the test position of the IBC battery piece to be calibrated and the working position of the integrated probe row when the PAD point of the IBC battery piece to be calibrated corresponds to the probe position of the integrated probe row one by one in the calibration process;
the positioning recording mechanism is used for recording the test position of the IBC battery piece to be calibrated in the calibration process;
and the position recording mechanism is used for recording the working position coordinates of the integrated probe row in the calibration process.
2. The battery testing device of claim 1, further comprising:
and the position sensor is used for detecting the working position of the integrated probe row in the calibration process and transmitting the detected coordinates of the working position to the position recording mechanism.
3. The battery testing device of claim 1, further comprising: a control system and an adjustment platform, wherein,
the position sensor is also used for detecting the real-time position of the integrated probe row during testing and sending the detected coordinates of the real-time position to the control system;
the control system is used for comparing the real-time position coordinates with the working position coordinates in the test process, editing and sending control signals to the adjustment platform according to the comparison result;
the adjusting platform is used for fixing the integrated probe row and driving the integrated probe row to a working position according to the received control signal.
4. The battery testing device of claim 1, further comprising:
the battery turntable is used for fixing the IBC battery piece to be calibrated in the calibration process; and fixing the IBC battery piece to be tested in the test process.
5. The battery testing device of claim 1, further comprising:
and the upper pressing structure is used for pressing the IBC battery piece to be tested on the battery turntable in the testing process.
6. The battery testing device of claim 5, further comprising a testing structure body, wherein,
the integrated probe row is fixedly connected with the test structure main body, and the test structure main body is fixedly connected with the adjustment platform.
7. The battery testing device of claim 5, wherein the alignment positioning structure is disposed on the integrated probe row.
8. The battery testing device of claim 1, wherein the pressing structure is fixedly connected to the testing structure body, and the pressing structure is disposed corresponding to the battery turntable.
9. A battery test quick positioning method based on the battery test device according to any one of claims 1 to 8, characterized by comprising the steps of:
when the PAD points of the IBC battery pieces to be calibrated correspond to the probe positions of the integrated probe row one by one, the test positions of the IBC battery pieces to be calibrated and the working positions of the integrated probe row are obtained;
recording the test position of the IBC battery piece to be calibrated;
recording the working position coordinates of the integrated probe row;
rapidly positioning the IBC battery piece to be tested by using the recorded test position of the IBC battery piece to be calibrated;
and (3) rapidly positioning the integrated probe row by recording the working position coordinates of the integrated probe row.
10. The battery test quick positioning method of claim 9, further comprising:
in the calibration process, the working position of the integrated probe row is detected, and the coordinates of the detected working position are sent to a position recording mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310537915.5A CN116559692A (en) | 2023-05-12 | 2023-05-12 | Battery testing device and battery testing rapid positioning method |
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| CN202310537915.5A CN116559692A (en) | 2023-05-12 | 2023-05-12 | Battery testing device and battery testing rapid positioning method |
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