CN111257642A - Device for measuring tab welding resistance of finished lithium battery module - Google Patents
Device for measuring tab welding resistance of finished lithium battery module Download PDFInfo
- Publication number
- CN111257642A CN111257642A CN202010230756.0A CN202010230756A CN111257642A CN 111257642 A CN111257642 A CN 111257642A CN 202010230756 A CN202010230756 A CN 202010230756A CN 111257642 A CN111257642 A CN 111257642A
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- Prior art keywords
- lifting mechanism
- sliding table
- axis
- measuring
- lithium battery
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- 238000003466 welding Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- 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]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a device for measuring tab welding resistance of a finished lithium battery module, which comprises an equipment frame, wherein a lifting cylinder is fixed at the top of the equipment frame, a lifting mechanism is connected below the lifting cylinder, the lifting mechanism is connected with an X-axis sliding table in a sliding manner, the lifting mechanism is connected with one end of an X-axis sliding table connecting plate through a screw, the other end of the X-axis sliding table connecting plate is connected with an X-axis motor driving mechanism through a screw, a tooling clamp is connected below the lifting mechanism through a screw, an electromagnetic valve group is fixed above the lifting mechanism through a screw, two sides of the lifting mechanism are connected with two power supply electrodes through threads, a support plate is arranged below the tooling clamp and is connected with a Y-axis sliding table in a sliding manner, the support plate is connected with a Y-axis motor driving mechanism through a Y-axis. Can detect before lithium battery module installs not, reduce the dismouting cost of labor and the cost of maintenance in later stage.
Description
Technical Field
The invention relates to the technical field of lithium battery measurement, in particular to a device for measuring tab welding resistance of a finished lithium battery module.
Background
Finished product lithium cell module has been one kind and has welded utmost point ear together to monolithic lithium cell through series connection or parallel mode, can't detect through the mode of direct measurement utmost point ear welding resistance, and because monolithic lithium cell is thinner, lead to the interval between the utmost point ear very little, the measurement degree of difficulty has been increased, and the life and the security performance of monoblock lithium cell module are directly related to the good or bad welding of lithium cell utmost point ear moreover, consequently, need to develop a device urgently, realize through accurate measurement lithium cell electrode slice welding resistance, and then judge that lithium cell electrode slice welded quality is good or bad.
Disclosure of Invention
The invention aims to provide a device for measuring the tab welding resistance of a finished lithium battery module, which is used for solving the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: a device for measuring tab welding resistance of a finished lithium battery module comprises an equipment frame, wherein a lifting cylinder is fixed at the top of the equipment frame, a lifting mechanism is connected below the lifting cylinder, the lifting mechanism is connected with an X-axis sliding table in a sliding manner, the lifting mechanism is connected with one end of an X-axis sliding table connecting plate through screws, the other end of the X-axis sliding table connecting plate is connected with an X-axis motor driving mechanism through screws, the X-axis motor driving mechanism can drive the lifting mechanism to slide along the X-axis sliding table, a tooling fixture is connected below the lifting mechanism through screws, an electromagnetic valve group is fixed above the lifting mechanism through screws, two power supply electrodes are connected on two sides of the lifting mechanism through threads, a support plate is arranged below the tooling fixture, the support plate is connected with a Y-axis sliding table in a sliding manner, the support plate is connected with a Y-axis motor driving mechanism through a Y-, and the Y-axis motor driving mechanism is fixed on the equipment frame.
Preferably, the equipment frame below is fixed with the block terminal, block terminal electrical connection industrial computer, the industrial computer is placed on the computer cabinet, still install display and mouse keyboard drawer on the computer cabinet.
Preferably, the tool clamp comprises a finger cylinder, a connecting rod, a spring hinge, clamp connecting plates, a positioning block, an insulating extension plate and a measuring electrode, the upper end of the connecting rod is connected to the finger cylinder through a sliding block, the lower end of the connecting rod is connected with the two clamp connecting plates, the clamp connecting plates are connected with the positioning block through screws, the positioning block is provided with the spring hinge, the spring hinge is connected with the upper end of the insulating extension plate through screws, and the tail end of the insulating extension plate is in threaded connection with the measuring electrode.
Preferably, the insulating extension plate, the spring hinge and the measuring electrode are provided with multiple groups and are uniformly distributed along the clamp connecting plate.
Preferably, each of the measuring electrodes is mounted on a separate sprung hinge.
The invention has the technical effects and advantages that: the device solves the problem that the measurement of the welding resistance cannot be carried out after the lithium battery module is assembled into a finished product; through the combination of the finger cylinder and the spring hinge, the problems that one measuring point is generated and a plurality of measuring points are activated in the whole measurement due to the position deviation of a measured piece can be completely avoided, so that the effective data cannot be measured and the measuring clamp is blocked are avoided; the detection can be carried out before the lithium battery module is assembled, so that the later-stage disassembly and assembly labor cost and maintenance cost are reduced; the detection device is provided with a plurality of measurement points for simultaneous measurement, so that the detection efficiency is improved; the measuring device can save and analyze the data of each lithium battery module through software, and convenience is provided for quality complaint in the later stage.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a schematic view of a tooling fixture according to the present invention;
fig. 4 is a flow chart of the operation of the present invention.
In the figure: 1-equipment frame, 2-lifting cylinder, 3-lifting mechanism, 4-X axis slipway, 5-X axis slipway connecting plate, 6-X axis motor driving mechanism, 7-tooling fixture, 8-electromagnetic valve group, 9-power electrode, 10-carrier plate, 11-Y axis slipway, 12-Y axis slipway connecting plate, 13-Y axis motor driving mechanism, 14-distribution box, 15-industrial computer, 16-computer cabinet, 17-display, 18-mouse keyboard drawer, 71-finger cylinder, 72-connecting rod, 73-spring hinge, 74-fixture connecting plate, 75-positioning block, 76-insulating extension plate, 77-measuring electrode, 78-sliding block.
Detailed Description
In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
The device for measuring the tab welding resistance of the finished lithium battery module comprises an equipment frame 1, wherein a lifting cylinder 2 is fixed at the top of the equipment frame 1, a lifting mechanism 3 is connected below the lifting cylinder 2, the lifting mechanism 3 is connected with an X-axis sliding table 4 in a sliding manner, the lifting mechanism 3 is connected with one end of an X-axis sliding table connecting plate 5 through screws, the other end of the X-axis sliding table connecting plate 5 is connected with an X-axis motor driving mechanism 6 through screws, the X-axis motor driving mechanism 6 can drive the lifting mechanism 3 to slide along the X-axis sliding table 4, a tool clamp 7 is connected below the lifting mechanism 3 through screws, an electromagnetic valve group 8 is fixed above the lifting mechanism 3 through screws, two power electrodes 9 are connected on two sides of the lifting mechanism 3 through screws, a support plate 10 is arranged below the tool clamp 7, and the support plate 10 is connected with a Y-axis sliding table, the carrier plate 10 is connected with a Y-axis motor driving mechanism 13 through a Y-axis sliding table connecting plate 12, the Y-axis motor driving mechanism 13 can drive the carrier plate 10 to slide along a Y-axis sliding table 11, and the Y-axis motor driving mechanism 13 is fixed on the equipment frame 1.
Example 2
The device for measuring the tab welding resistance of the finished lithium battery module comprises an equipment frame 1, wherein a lifting cylinder 2 is fixed at the top of the equipment frame 1, a lifting mechanism 3 is connected below the lifting cylinder 2, the lifting mechanism 3 is connected with an X-axis sliding table 4 in a sliding manner, the lifting mechanism 3 is connected with one end of an X-axis sliding table connecting plate 5 through screws, the other end of the X-axis sliding table connecting plate 5 is connected with an X-axis motor driving mechanism 6 through screws, the X-axis motor driving mechanism 6 can drive the lifting mechanism 3 to slide along the X-axis sliding table 4, a tool clamp 7 is connected below the lifting mechanism 3 through screws, an electromagnetic valve group 8 is fixed above the lifting mechanism 3 through screws, two power electrodes 9 are connected on two sides of the lifting mechanism 3 through screws, a support plate 10 is arranged below the tool clamp 7, and the support plate 10 is connected with a Y-axis sliding table, the carrier plate 10 is connected with a Y-axis motor driving mechanism 13 through a Y-axis sliding table connecting plate 12, the Y-axis motor driving mechanism 13 can drive the carrier plate 10 to slide along a Y-axis sliding table 11, and the Y-axis motor driving mechanism 13 is fixed on the equipment frame 1.
Preferably, a distribution box 14 is fixed below the equipment frame 1, the distribution box 14 is electrically connected with an industrial personal computer 15, the industrial personal computer 15 is placed on a computer cabinet 16, and a display 17 and a mouse and keyboard drawer 18 are further installed on the computer cabinet 16.
Preferably, frock clamp 7 has contained finger cylinder 71, connecting rod 72, spring hinge 73, anchor clamps connecting plate 74, locating piece 75, insulating extension plate 76 and measuring electrode 77, connect connecting rod 72 upper end through slider 78 on the finger cylinder 71, two anchor clamps connecting plate 74 are connected to connecting rod 72 lower extreme, anchor clamps connecting plate 74 passes through screw connection locating piece 75, install spring hinge 73 on the locating piece 75, spring hinge 73 passes through the insulating extension plate 76 upper end of screw connection, the terminal threaded connection measuring electrode 77 of insulating extension plate 76.
Preferably, the insulating extension plate 76, the spring hinge 73 and the measuring electrode 77 are provided in a plurality of sets, evenly distributed along the clamp connection plate 74.
Preferably, each of the measuring electrodes 77 is mounted on a separate sprung hinge 73.
The process flow and the working principle of the invention are as follows: after being placed on the support plate 10 by the lithium battery module, an operator clamps two power supply electrode 9 leads on the lifting mechanism 3 at the positive and negative output ends of the lithium battery module, then the Y-axis motor driving mechanism 13 can drive the support plate 10 to move towards the position below the tool clamp 7 through the Y-axis sliding table connecting plate 12, after the power supply electrode reaches the position below the tool clamp 7, the lifting mechanism 3 acts to drive the whole tool clamp 7 to descend, after the power supply electrode descends to a certain height, the tool clamp 7 acts, the tool clamp 7 can drive the finger cylinder 71 to adjust the positions of the measuring electrode 77 and the lug through the sliding block 78, then each lug is clamped through the spring hinge 73 and the measuring electrode 77, at the moment, the voltage on each lug can be collected, software can calculate the resistance value on each lug according to an internal algorithm, and the resistance value is the welding resistance on the lug. When all data are measured, the tool clamp 7 is loosened, and then the lifting mechanism 3 carries the tool clamp 7 back to the top. The pole lugs on the lithium battery module possibly exceed the number of the tool clamps 7, so that the tool clamps 7 can move along the X-axis sliding table 4 in the X-axis direction by controlling the X-axis motor driving device 6, the X-axis motor driving device 6 is stopped after the pole lugs move to the positions above the pole lugs needing to be measured, then the lifting mechanism 3 descends, the clamping action of the tool clamps is repeated, and then data acquisition and calculation are carried out; after all the tabs are measured, the Y-axis motor driving device 13 moves the support plate 10 to the lithium battery module taking and placing position, and then an operator can take the measured piece away and place the next lithium battery module to be measured; the further working steps are shown in figure 4.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a utmost point ear welding resistance measuring device of finished product lithium cell module, includes the equipment frame, its characterized in that: a lifting cylinder is fixed on the top of the equipment frame, a lifting mechanism is connected below the lifting cylinder, the lifting mechanism is connected with the X-axis sliding table in a sliding way and is connected with one end of the X-axis sliding table connecting plate through a screw, the other end of the X-axis sliding table connecting plate is connected with an X-axis motor driving mechanism through screws, the X-axis motor driving mechanism can drive the lifting mechanism to slide along the X-axis sliding table, the lower part of the lifting mechanism is connected with the tool clamp through a screw, the upper part of the lifting mechanism is fixed with the electromagnetic valve set through a screw, two sides of the lifting mechanism are connected with two power supply electrodes through threads, a support plate is arranged below the tool clamp, the carrier plate is connected with the Y-axis sliding table in a sliding way, the carrier plate is connected with the Y-axis motor driving mechanism through a Y-axis sliding table connecting plate, the Y-axis motor driving mechanism can drive the support plate to slide along the Y-axis sliding table and is fixed on the equipment frame.
2. The device of claim 1 for measuring the tab welding resistance of a finished lithium battery module, which is characterized in that: the device comprises a computer frame, and is characterized in that a distribution box is fixed below the device frame and electrically connected with an industrial personal computer, the industrial personal computer is placed on the computer frame, and a display and a mouse and keyboard drawer are further installed on the computer frame.
3. The device for measuring the tab welding resistance of the finished lithium battery module as claimed in any one of claims 1 or 2, wherein: frock clamp has contained finger cylinder, connecting rod, spring hinge, anchor clamps connecting plate, locating piece, insulating extension plate and measuring electrode, connect the connecting rod upper end through the slider on the finger cylinder, two anchor clamps connecting plates are connected to the connecting rod lower extreme, the anchor clamps connecting plate passes through the screw connection locating piece, install the spring hinge on the locating piece, the spring hinge passes through the insulating extension plate upper end of screw connection, the terminal threaded connection measuring electrode of insulating extension plate.
4. The device of claim 3 for measuring the tab welding resistance of the finished lithium battery module is characterized in that: the insulating extension plate, the spring hinge and the measuring electrode are provided with a plurality of groups and are uniformly distributed along the clamp connecting plate.
5. The device of claim 3 for measuring the tab welding resistance of the finished lithium battery module is characterized in that: each measuring electrode is mounted on a separate sprung hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230756.0A CN111257642A (en) | 2020-03-27 | 2020-03-27 | Device for measuring tab welding resistance of finished lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230756.0A CN111257642A (en) | 2020-03-27 | 2020-03-27 | Device for measuring tab welding resistance of finished lithium battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111257642A true CN111257642A (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010230756.0A Pending CN111257642A (en) | 2020-03-27 | 2020-03-27 | Device for measuring tab welding resistance of finished lithium battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111257642A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781525B (en) * | 2020-07-02 | 2021-02-02 | 上海快卜新能源科技有限公司 | Electric automobile battery safety detection system based on charging station is examined in storage |
| CN114660360A (en) * | 2022-03-23 | 2022-06-24 | 广东日信高精密科技有限公司 | Lithium battery electrode plate welding resistance testing device |
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| CN204731387U (en) * | 2015-06-18 | 2015-10-28 | 浙江时空能源技术有限公司 | Power brick electric resistance welding pick-up unit |
| CN206114711U (en) * | 2016-09-30 | 2017-04-19 | 广西卓能新能源科技有限公司 | Lithium ion battery subassembly resistance test anchor clamps and lithium cell apparatus for producing |
| CN206906534U (en) * | 2017-04-14 | 2018-01-19 | 上海汪青自动化科技有限公司 | Power battery module PCB test devices |
| CN108398650A (en) * | 2018-03-20 | 2018-08-14 | 王伟波 | A kind of lithium battery voltage, the automatic test failure product device for eliminating of resistance |
| CN108469588A (en) * | 2017-02-23 | 2018-08-31 | 万向二三股份公司 | A kind of method for soft package lithium ion power test equipment |
| CN212180908U (en) * | 2020-03-27 | 2020-12-18 | 上海映晓电子科技有限公司 | Device for measuring tab welding resistance of finished lithium battery module |
-
2020
- 2020-03-27 CN CN202010230756.0A patent/CN111257642A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204731387U (en) * | 2015-06-18 | 2015-10-28 | 浙江时空能源技术有限公司 | Power brick electric resistance welding pick-up unit |
| CN206114711U (en) * | 2016-09-30 | 2017-04-19 | 广西卓能新能源科技有限公司 | Lithium ion battery subassembly resistance test anchor clamps and lithium cell apparatus for producing |
| CN108469588A (en) * | 2017-02-23 | 2018-08-31 | 万向二三股份公司 | A kind of method for soft package lithium ion power test equipment |
| CN206906534U (en) * | 2017-04-14 | 2018-01-19 | 上海汪青自动化科技有限公司 | Power battery module PCB test devices |
| CN108398650A (en) * | 2018-03-20 | 2018-08-14 | 王伟波 | A kind of lithium battery voltage, the automatic test failure product device for eliminating of resistance |
| CN212180908U (en) * | 2020-03-27 | 2020-12-18 | 上海映晓电子科技有限公司 | Device for measuring tab welding resistance of finished lithium battery module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781525B (en) * | 2020-07-02 | 2021-02-02 | 上海快卜新能源科技有限公司 | Electric automobile battery safety detection system based on charging station is examined in storage |
| CN114660360A (en) * | 2022-03-23 | 2022-06-24 | 广东日信高精密科技有限公司 | Lithium battery electrode plate welding resistance testing device |
| CN114660360B (en) * | 2022-03-23 | 2022-09-20 | 广东日信高精密科技有限公司 | Lithium battery electrode plate welding resistance testing device |
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