CN111239618A - Module polarity detection method and detection tool - Google Patents

Module polarity detection method and detection tool Download PDF

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Publication number
CN111239618A
CN111239618A CN202010157231.9A CN202010157231A CN111239618A CN 111239618 A CN111239618 A CN 111239618A CN 202010157231 A CN202010157231 A CN 202010157231A CN 111239618 A CN111239618 A CN 111239618A
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CN
China
Prior art keywords
module
plate
limiting
insulating
cylinder
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Granted
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CN202010157231.9A
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CN111239618B (en
Inventor
杨玉涛
李晋煜
陈朋博
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Tianjin EV Energies Co Ltd
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Tianjin EV Energies Co Ltd
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Priority to CN202010157231.9A priority Critical patent/CN111239618B/en
Publication of CN111239618A publication Critical patent/CN111239618A/en
Application granted granted Critical
Publication of CN111239618B publication Critical patent/CN111239618B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385Arrangements for measuring battery or accumulator variables

Abstract

The invention provides a module polarity detection method and a detection tool, which comprises the steps of configuring an optocoupler relay for each battery cell of a module, and specifying the arrangement mode of the battery cells and the relays; when the positive and negative poles of the battery cell are consistent with the positive and negative poles of the optocoupler relay, setting the program as 1; when the positive and negative poles of the battery cell are not consistent with the positive and negative poles of the optocoupler relay, setting the program to be 0; converting the arrangement sequence of the battery cores into the sequence of high and low levels 1 and 0 output by the relay, regarding the output 01 sequence as a 2-system, converting the 2-system into a 10-system, and judging; and when the value converted into the 10-system is consistent with the standard value, judging the battery cell, otherwise, judging the battery cell is wrong. The module polarity detection method and the module polarity detection tool can simplify operation and improve working efficiency.

Description

Module polarity detection method and detection tool
Technical Field
The invention belongs to the technical field of batteries, and particularly relates to a module polarity detection method and a module polarity detection tool.
Background
At present, after the Bolck is stacked into a module, in order to prevent safety risks such as short circuit, the arrangement sequence of the cells in the Block needs to be detected, and the current detection method mainly specifies that the positions of the cells are positive voltages (such as positive left and negative right), and measures the voltages of all the cells to obtain the number and sequence of the positive voltages and the negative voltages, so as to determine whether the cells are correctly arranged in the module. At present, the manual detection method for the placement of the battery cell by using the fluke multimeter has high labor cost, low efficiency and high error rate; the method for automatically judging software and hardware on the automatic production line has high equipment cost and maintenance cost. In order to meet the requirements of high quality, low cost and high efficiency of product production, a low-cost, high-reliability and high-efficiency detection mode is required to be realized to replace the detection mode.
Disclosure of Invention
In view of the above, the present invention is directed to a method for detecting module polarity, so as to provide a method for detecting module polarity with high reliability and high detection efficiency.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a module polarity detection method specifically comprises the following steps: configuring an optocoupler relay for each battery cell of the module, and setting the arrangement modes of the battery cells and the relays; when the positive and negative poles of the battery cell are consistent with the positive and negative poles of the optocoupler relay, the relay is closed and outputs a high level, and the program is set to be 1; when the positive and negative poles of the battery cell are not consistent with the positive and negative poles of the optocoupler relay, the relay is not closed, and a low level is output, and is set to be 0 in the program; converting the arrangement sequence of the battery cores into the sequence of high and low levels 1 and 0 output by the relay, regarding the output 01 sequence as a 2-system, converting the 2-system into a 10-system, and judging; and when the value converted into the 10-system is consistent with the standard value, judging that the battery cell is placed correctly, and when the value converted into the 10-system is inconsistent with the standard value, judging that the battery cell is placed wrongly.
Further, the placing mode of the battery cell and the relay is as follows: the measured voltage is positive voltage when the battery cell is placed in a left positive mode and a right negative mode, and the relays are placed in a left positive mode and a right negative mode.
Further, the subject who judges whether the 10-system value is consistent with the standard value is a person or a controller.
Compared with the prior art, the module polarity detection method has the following advantages:
(1) according to the module polarity detection method, the optocoupler relay is low in cost and long in service life, software compiling is simple, equipment maintenance cost is low, and testing efficiency is high.
Another objective of the present invention is to provide a module polarity detection tool, so as to provide a module polarity detection tool with high automation degree, which can simplify the operation and improve the working efficiency.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a module polarity detects frock, including the automatic test inductor, support cylinder, mounting panel and controller, the mounting panel is the symmetrical structure that the cross section is nearly font, the tip installation automatic test inductor of mounting panel, the middle part of mounting panel is equipped with module push pedal and insulation board, the insulation board is located the both sides of module push pedal, module push pedal fixed connection promotes the cylinder to the module, the supporting mechanism of installation of the both ends symmetry of mounting panel, supporting mechanism's top is connected to support cylinder, module push pedal and supporting mechanism are located the same one side of mounting panel, the automatic test inductor, support cylinder and module promote the cylinder respectively signal connection to controller.
Further, the supporting mechanism includes insulating mounting panel, binding post, elasticity copper sheet, pencil fixed block, module guide piece and insulating backup pad, insulating mounting panel inboard installation insulating backup pad, and insulating backup pad top is connected to the support cylinder, and the both sides of insulating mounting panel are crisscross to be equipped with a plurality of mounting grooves, and elasticity copper sheet of installation in every mounting groove, every mounting groove top are equipped with the binding post that corresponds with the elasticity copper sheet, a plurality of insulating pieces of the inboard equipartition of insulating backup pad, and every backing sheet is located an elasticity copper sheet below.
Further, module polarity detects frock still includes spacing guiding mechanism and test cylinder, and the outside of supporting mechanism is equipped with spacing guiding mechanism, and spacing guiding mechanism's top is connected to the test cylinder, and the test cylinder signal is connected to the controller.
Furthermore, the limiting and adjusting mechanism comprises a locking nut, an upper limiting position of the elastic copper sheet, a lower limiting position of the elastic copper sheet, an upper limiting position of the insulating support, a lower limiting position of the insulating support, a first connecting plate, a second connecting plate and a third connecting plate, the limiting and adjusting mechanism is sequentially provided with the first connecting plate, the second connecting plate and the third connecting plate from top to bottom, the upper part of the first connecting plate is connected to the testing cylinder through a connecting piece, the upper limiting position of the elastic copper sheet and the lower limiting position of the elastic copper sheet are arranged between the first connecting plate and the second connecting plate, the upper limiting position of the insulating support and the lower limiting position of the insulating support are arranged between the second connecting plate and the third connecting plate, the upper limiting position of the elastic copper sheet and the upper limiting position of the insulating support are respectively provided with the locking nut, the second connecting plate is provided with a first through hole and a second through hole, the position of, the position of the second through hole corresponds to the position of the lower limit of the insulating support, so that the upper limit of the lower limit of the insulating support can enter the second through hole.
Furthermore, desktop fixing seats are symmetrically arranged on two sides of the side face of the mounting plate.
Furthermore, a protective cover is arranged outside the supporting mechanism and is a transparent protective cover.
Furthermore, the module pushes the guide shafts symmetrically arranged on two sides of the air cylinder.
Compared with the prior art, the module polarity detection tool has the following advantages:
(1) according to the module polarity detection tool, the tool can be directly installed on the existing operation table board, the operation surface of the tool and the module stacking surface are on the same plane, and workers do not need to carry the tool.
(2) The module polarity detection tool is high in automation degree, can simplify operation and greatly improves working efficiency.
(3) According to the module polarity detection tool, after the test is finished, the tool can automatically push out the module, visual management is met, and the workload of staff is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a first schematic structural diagram of a module polarity detection tool according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a module polarity detection tool according to an embodiment of the present invention;
fig. 3 is a third schematic structural diagram of the module polarity detection tool according to the embodiment of the present invention.
Description of reference numerals:
1-automatic testing of the inductor; 2-a limit adjusting mechanism; 21-a lock nut; 22-limiting on the elastic copper sheet; 23-elastic copper sheet lower limit; 24-upper limit of the insulating support; 25-lower limit of the insulating support; 26-a connection plate; 27-connecting plate II; 28-connecting plate III; 3-testing the air cylinder; 4-a support cylinder; 5-a guide shaft; 6-module push plate; 7-an insulating plate; 8-a desktop fixing seat; 9-module propulsion cylinder; 10-a support mechanism; 101-an insulating mounting plate; 102-a connection terminal; 103-elastic copper sheet; 104-a wire harness fixing block; 105-a module guide tab; 106-insulating support plate; 11-a mounting plate; 12-protective cover.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The noun explains:
PACK: and the battery cores are connected in series and parallel to form a whole vehicle system.
BLOCK: the meaning block refers to a unit formed by assembling the cells in the same group into a frame after the cells are assembled.
The module: the set composed of a plurality of BLOCKs is the minimum unit of the whole vehicle in series connection.
SOC: remaining capacity/rated capacity.
A module polarity detection method comprises the steps that an optocoupler relay is configured for each battery cell of a module, the measured voltage is regulated to be positive voltage when the battery cells are placed in a left positive mode and a right negative mode, and the placement of the relays is completely in a left positive mode and a right negative mode;
when the positive and negative poles of the battery cell are consistent with the positive and negative poles of the optocoupler relay, the relay is closed and outputs a high level, and the program is set to be 1; when the positive and negative poles of the battery cell are not consistent with the positive and negative poles of the optocoupler relay, the relay is not closed, and a low level is output, and is set to be 0 in the program;
converting the arrangement sequence of the battery cores into the sequence of high and low levels 1 and 0 output by the relay, regarding the output 01 sequence as a 2-system, converting the 2-system into a 10-system, and judging;
and when the value converted into the 10-system is consistent with the standard value, judging that the battery cell is placed correctly, and when the value converted into the 10-system is inconsistent with the standard value, judging that the battery cell is placed wrongly.
For example, the relay output sequence is 111000111000, and 3640 when the relay output sequence is converted into a 10-system, the battery cell placement can be determined to be correct by comparing 3640 with a standard value set by a program.
The SOC of the battery cell flowing down from the previous process of module stacking is 47% -53%, the corresponding battery cell voltage is 3.64-3.66V, and the voltage can drive a 3-5V optical coupling relay on the market.
The main body for judging whether the 10-system value is consistent with the standard value is a person or a controller, namely whether the 10-system value is consistent with the standard value can be manually compared, and the judgment can also be carried out through the controller, wherein the controller is a single chip microcomputer or a PLC or a PC.
A module polarity detection tool is shown in figures 1 to 3 and comprises an automatic test inductor 1, a limit adjusting mechanism 2, a test cylinder 3, a supporting cylinder 4, a guide shaft 5, a module push plate 6, an insulating plate 7, a desktop fixing seat 8, a module propulsion cylinder 9, a supporting mechanism 10, a mounting plate 11, a protective cover 12 and a controller,
the cross section of mounting panel 11 is the symmetrical structure of several fonts, mounting panel 11's tip installation automatic test inductor 1, the middle part of the first side of mounting panel 11 is equipped with module push pedal 6 and insulation board 7, insulation board 7 is located the both sides of module push pedal 6, module push pedal 6 fixed connection pushes away cylinder 9 to the module, supporting mechanism 10 of the installation of the both ends symmetry of mounting panel 11, supporting mechanism 10's top is connected to supporting cylinder 4, supporting mechanism 10's the outside is equipped with spacing guiding mechanism 2, spacing guiding mechanism 2's top is connected to test cylinder 3, mounting panel 11's second side installation module pushes away cylinder 9 and guiding axle 5, automatic test inductor 1, test cylinder 3, supporting cylinder 4 and module push away cylinder 9 difference signal connection to controller.
Automatic test inductor 1 is non-contact temperature sensor, and the manual work pushes the module and triggers automatic test inductor 1, and this inductor can detect the heat dissipation aluminum plate of module, and when heat dissipation aluminum plate is close to the individual controller of signals behind the automatic test inductor 1, controller control test begins to start.
The controller is a PLC.
Two guide shafts 5 are symmetrically arranged on two sides of the module propulsion cylinder 9.
The two sides of the second side surface of the mounting plate 11 are also symmetrically provided with the desktop fixing seats 8, so that the mounting plate can be directly mounted on the existing operation table surface, the tool operation surface and the module stacking surface are on the same plane, and workers do not need to carry the mounting plate.
A protective cover 12 is arranged outside the supporting mechanism 10, and the protective cover 12 is a transparent protective cover for observing the internal condition.
The supporting mechanism 10 comprises an insulating mounting plate 101, a wiring terminal 102, elastic copper sheets 103, a wire harness fixing block 104, a module guide sheet 105 and an insulating support plate 106, wherein the insulating support plate 106 is mounted on the inner side of the insulating mounting plate 101, the top of the insulating support plate 106 is connected to the supporting cylinder 4, a plurality of mounting grooves are formed in the two sides of the insulating mounting plate 101 in a crossed mode, one elastic copper sheet 103 is mounted in each mounting groove, the wiring terminal 102 corresponding to the elastic copper sheet 103 is arranged above each mounting groove, and the wiring terminal 102 is placed on the outer; a wire harness fixing block 104 is arranged on one side of the insulating mounting plate 101, a module guide sheet 105 is arranged on the inner side of the lower side of the insulating mounting plate, a plurality of insulating sheets are uniformly distributed on the inner side of an insulating support plate 106, and each support sheet is positioned below one elastic copper sheet 103; the elastic copper sheet 103 and the supporting sheet are directly used for placing the lugs, a crossed lug contact mode is adopted, the space between two layers of lugs is effectively utilized, the module is guaranteed to be pushed smoothly, the copper sheet is used for contacting the lugs, and frequent replacement of wearing parts such as conductive foam and probes is avoided. The elastic copper sheet 103 is mounted on the insulating material to avoid the short circuit condition.
The insulating support plate 106 can lift the lug to keep the lug horizontal so that the elastic copper sheet 103 can stably contact the lug during testing, and meanwhile, the insulating material can avoid the short circuit condition of a battery cell; the elastic copper sheets 103 are used for contacting the tabs and leading out voltage; the support cylinder 4 provides an upward pulling force to the insulating support plate 106 at the start of the test. The module guide piece 105 is fixed with the operating platform, so that a worker can conveniently push the module into the module according to a set position, and the module is prevented from being inclined to damage the lug; the wiring terminal 102 is convenient for leading out electric charges from the elastic copper sheet 103 to an external circuit for positive and negative tests of the electric core; the wire harness fixing block 104 is arranged to conveniently fix the test wire harness.
The elastic copper sheet 103 is made of red copper, so that the electric conductivity is good, the angle of the copper sheet can be adjusted as required, and the good contact of the lug is ensured.
The limiting and adjusting mechanism 2 comprises a locking nut 21, an upper limiting 22 of the elastic copper sheet, a lower limiting 23 of the elastic copper sheet, an upper limiting 24 of the insulating support, a lower limiting 25 of the insulating support, a first connecting plate 26, a second connecting plate 27 and a third connecting plate 28, the limiting and adjusting mechanism 2 is sequentially provided with the first connecting plate 26, the second connecting plate 27 and the third connecting plate 28 from top to bottom, the upper part of the first connecting plate 26 is connected to the testing cylinder 3 through a connecting piece, the upper limiting 22 of the elastic copper sheet and the lower limiting 23 of the elastic copper sheet are arranged between the first connecting plate 26 and the second connecting plate 27, the upper limiting 24 of the insulating support and the lower limiting 25 of the insulating support are arranged between the second connecting plate 27 and the third connecting plate 28, the upper limiting 22 of the elastic copper sheet and the upper limiting 24 of the insulating support are respectively provided with the locking nut 21, the second connecting plate 27 is provided with a first through hole and a, the lower part of the wire position 22 on the elastic copper sheet can enter the first through hole, the position of the second through hole corresponds to the position of the lower limit 25 of the insulating support, and the upper part of the lower limit 25 of the insulating support can enter the second through hole.
The limit adjusting mechanism 2 can respectively adjust the upward and downward positions of the insulating support plate 106 and the elastic copper sheet 103, and the requirements of the insulating support plate and the elastic copper sheet in the movement and extension positions are met.
And the elastic copper sheet upper limit 22, the elastic copper sheet lower limit 23, the insulating support upper limit 24 and the insulating support lower limit 25 are all arranged on the corresponding connecting plates through locking nuts 21.
The working principle of the limit adjusting mechanism 2 is that the stroke of each part is limited by the impact and the stretching of two limit bolts respectively, and the specific description is as follows:
elastic copper sheet lower limit 23: when the test is started, the test cylinder 3 pushes the first connecting plate 26 downwards, the elastic copper sheet lower limiting 23 is arranged on the first connecting plate 26, the elastic copper sheet lower limiting 23 collides with the second connecting plate 27 in the descending process, the cylinder stops the downward pressing action, and the elastic copper sheets 103, the insulating mounting plate 101 and the first connecting plate 26 are connected together, so that the purpose of limiting the descending of the elastic copper sheets 103 is realized. Therefore, the situation that the elastic copper sheet 103 cannot be elastically reset due to overlarge pressing stroke can be avoided; limiting on the elastic copper sheet 22: when the test is finished, the elastic copper sheet 103 needs to be lifted upwards to relieve the pressure on the electrode lugs of the battery core, the test cylinder 3 can pull the first connecting plate 26 upwards, the elastic copper sheet upper limit 22 is arranged on the first connecting plate 26, the elastic copper sheet upper limit 22 collides with the circular hole concave table of the second connecting plate 27 in the lifting process, the cylinder stops moving upwards, and the elastic copper sheet 103, the insulating mounting plate 101 and the first connecting plate 26 are connected together, so that the purpose of limiting the rising of the elastic copper sheet 103 is achieved by the limit. Therefore, the requirement of the rising position symbol of the elastic copper sheet 103 can be ensured, and the collision between the module lug and the module lug caused by the overhigh or overlow elastic copper sheet can be avoided; upper limit 24 of the insulating support: when a test is started, the supporting cylinder 4 can pull the third connecting plate 28 upwards, the third connecting plate 28 is provided with the insulating support upper limit 24, the insulating support upper limit 24 collides with the second connecting plate 27 in the ascending process, the cylinder stops ascending, and the insulating support plate 106 and the third connecting plate 28 are connected together, so that the purpose of limiting the ascending of the insulating support plate 106 is realized. Therefore, the condition that the module pole lug is bent or even damaged due to overlarge lifting stroke can be avoided; lower limit 25 of the insulating support: when the test is completed, the insulation support plate 106 needs to be reset downwards, the lifting force on the electrode lug of the battery core is relieved, the support cylinder 4 can push the third connecting plate 28 downwards, the insulation support lower limit 25 arranged on the third connecting plate 28 collides with the circular hole concave table of the second connecting plate 27 in the descending process, and the cylinder stops moving downwards at the moment, and the insulation support plate 106 and the third connecting plate 28 are connected together, so that the purpose of limiting the descending of the insulation support plate 106 is realized. Therefore, the requirement of the symbol of the descending position of the insulating support plate 106 can be ensured, and the module pole lug is prevented from colliding with the module pole lug due to the overhigh or overlow structure; the lock nut 21: the elastic copper sheet lower limit 23, the elastic copper sheet upper limit 22, the insulating support upper limit 24 and the insulating support lower limit 25 are respectively provided with four locking nuts on the four limit bolts, the four limit bolts are locked by the nuts, so that the rotation of the four limit bolts in the impact process is avoided, and once the four limit bolts rotate, the upper position and the lower position of the test cylinder 3 and the insulating support plate 106 deviate, and finally the test is abnormal. The locking principle is as follows: the nut and the limiting bolt are rotated in opposite directions until the nut and the limiting bolt cannot rotate, and at the moment, the nut and the adjacent part generate friction force to fix the limiting bolt.
The utility process of a module polarity detection frock does:
(1) the employee pushes the stacked module into the tool along the module guide tab 105. (2) When the shell of the module is close to the automatic test inductor 1, the automatic test inductor 1 transmits information to the controller after detecting the radiating aluminum plate of the shell of the module, and the controller controls the test to start; the controller controls the supporting cylinder 4 to ascend, and the supporting cylinder 4 drives the insulating supporting plate 106 to ascend to support the lug of the module; (3) at the moment, the elastic copper sheet 103 presses down a lug of the module, and transmits the test voltage to an external instrument and an external electrical system through the wiring terminal 102; (4) the electrical system makes a determination according to a set program. (5) When the polarity is wrong, the electric system gives an alarm, and when the polarity is correct, the electric system does not give an alarm. (6) After the electric system is tested, a test completion command is sent to the controller, the controller controls the supporting cylinder 4 to recover the original position, and the insulating supporting plate 106 loosens the electrode lugs; (7) the controller controls the module to push the cylinder 9 to move, the module pushes the module push plate 6 to move, and the module push plate 6 pushes the module out.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A method for detecting polarity of a module is characterized in that: the method specifically comprises the following steps:
configuring an optocoupler relay for each battery cell of the module, and setting the arrangement modes of the battery cells and the relays;
when the positive and negative poles of the battery cell are consistent with the positive and negative poles of the optocoupler relay, the relay is closed and outputs a high level, and the program is set to be 1; when the positive and negative poles of the battery cell are not consistent with the positive and negative poles of the optocoupler relay, the relay is not closed, and a low level is output, and is set to be 0 in the program;
converting the arrangement sequence of the battery cores into the sequence of high and low levels 1 and 0 output by the relay, regarding the output 01 sequence as a 2-system, converting the 2-system into a 10-system, and judging;
and when the value converted into the 10-system is consistent with the standard value, judging that the battery cell is placed correctly, and when the value converted into the 10-system is inconsistent with the standard value, judging that the battery cell is placed wrongly.
2. The method as claimed in claim 1, wherein the step of detecting the polarity of the module comprises: the placing mode of the battery cell and the relay is as follows: the measured voltage is positive voltage when the battery cell is placed in a left positive mode and a right negative mode, and the relays are placed in a left positive mode and a right negative mode.
3. The method as claimed in claim 1, wherein the step of detecting the polarity of the module comprises: and the subject for judging whether the 10-system value is consistent with the standard value is a person or a controller.
4. The utility model provides a module polarity detects frock which characterized in that: including the automatic test inductor, the support cylinder, mounting panel and controller, the mounting panel is the symmetrical structure that the cross section is nearly font, the automatic test inductor of tip installation of mounting panel, the middle part of mounting panel is equipped with module push pedal and insulation board, the insulation board is located the both sides of module push pedal, module push pedal fixed connection promotes the cylinder to the module, supporting mechanism of installation of the both ends symmetry of mounting panel, supporting mechanism's top is connected to the support cylinder, module push pedal and supporting mechanism are located the same one side of mounting panel, the automatic test inductor, support cylinder and module promote the cylinder respectively signal connection to controller.
5. The module polarity detection tool of claim 4, characterized in that: the supporting mechanism comprises an insulating mounting plate, a wiring terminal, elastic copper sheets, a wiring harness fixing block, a module guide sheet and an insulating supporting plate, the insulating supporting plate is mounted on the inner side of the insulating mounting plate, the top of the insulating supporting plate is connected to a supporting cylinder, a plurality of mounting grooves are formed in the two sides of the insulating mounting plate in a staggered mode, the elastic copper sheets are mounted in each mounting groove, the wiring terminal corresponding to the elastic copper sheets is arranged above each mounting groove, a plurality of insulating sheets are uniformly distributed on the inner side of the insulating supporting plate, and each.
6. The module polarity detection tool of claim 4, characterized in that: the module polarity detection tool further comprises a limiting adjusting mechanism and a testing cylinder, the limiting adjusting mechanism is arranged on the outer side of the supporting mechanism, the upper portion of the limiting adjusting mechanism is connected to the testing cylinder, and the testing cylinder is connected to the controller through signals.
7. The module polarity detection tool of claim 6, characterized in that: the limiting and adjusting mechanism comprises a locking nut, a limiting part on the elastic copper sheet, a lower limiting part on the elastic copper sheet, an upper limiting part on the insulating support, a lower limiting part on the insulating support, a first connecting plate, a second connecting plate and a third connecting plate, the limiting and adjusting mechanism is sequentially provided with the first connecting plate, the second connecting plate and the third connecting plate from top to bottom, the upper part of the first connecting plate is connected to the testing cylinder through a connecting piece, the upper limiting part on the elastic copper sheet and the lower limiting part on the elastic copper sheet are arranged between the first connecting plate and the second connecting plate, the upper limiting part on the insulating support and the lower limiting part on the insulating support are arranged between the second connecting plate and the third connecting plate, the upper limiting part on the elastic copper sheet and the upper limiting part on the insulating support are respectively provided with the locking nut, the second connecting plate is provided with a first through hole and a second through hole, the, the position of the second through hole corresponds to the position of the lower limit of the insulating support, so that the upper limit of the lower limit of the insulating support can enter the second through hole.
8. The module polarity detection tool of claim 4, characterized in that: desktop fixing seats are symmetrically arranged on two sides of the side surface of the mounting plate.
9. The module polarity detection tool of claim 4, characterized in that: the supporting mechanism is externally provided with a protective cover which is a transparent protective cover.
10. The module polarity detection tool of claim 4, characterized in that: the module pushes the installation guiding axle of bilateral symmetry of cylinder.
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CN113238156A (en) * 2021-07-12 2021-08-10 江西睿达新能源科技有限公司南昌分公司 Testing device for detecting residual electric quantity in waste lithium battery pack

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