CN219915884U - OCV test equipment for double-side pole battery - Google Patents
OCV test equipment for double-side pole battery Download PDFInfo
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- CN219915884U CN219915884U CN202320827014.5U CN202320827014U CN219915884U CN 219915884 U CN219915884 U CN 219915884U CN 202320827014 U CN202320827014 U CN 202320827014U CN 219915884 U CN219915884 U CN 219915884U
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- 238000012360 testing method Methods 0.000 title claims abstract description 99
- 239000002184 metal Substances 0.000 claims abstract description 62
- 239000000523 sample Substances 0.000 claims description 29
- 239000004809 Teflon Substances 0.000 claims description 6
- 229920006362 Teflon® Polymers 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 210000003339 pole cell Anatomy 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 3
- PXAGFNRKXSYIHU-UHFFFAOYSA-N 1,3-dichloro-2-(2,6-dichlorophenyl)benzene Chemical compound ClC1=CC=CC(Cl)=C1C1=C(Cl)C=CC=C1Cl PXAGFNRKXSYIHU-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Abstract
The utility model discloses OCV (optically variable voltage) testing equipment for double-side pole batteries, which relates to the technical field of battery OCV testing and comprises a rack assembly, wherein a conveying assembly is arranged in the rack assembly and is used for conveying batteries to be tested, a jacking assembly is arranged at the bottom of the conveying assembly, testing assemblies are arranged at two sides of the conveying assembly and are used for conveying the batteries to be tested to the upper part of the jacking assembly, the jacking assembly is used for jacking the batteries to be tested to a testing station of the testing assembly, a metal cover assembly is arranged above the jacking assembly, and the metal cover assembly comprises a metal cover and a channel switching module. According to the utility model, the metal cover is added, and the metal cover covers the battery to be tested during testing, so that the influence of eddy current on the AC internal resistance test can be eliminated during testing, and the stability and consistency of the AC internal resistance value can be ensured even if the testing environment is changed.
Description
Technical Field
The utility model relates to the technical field of battery OCV testing, in particular to OCV testing equipment for a battery with double-side polar posts.
Background
Because the poles of the double-side pole battery are arranged at two ends of the battery, the distance between the positive pole and the negative pole is far, the current wire and the voltage wire of the positive pole probe are respectively connected to the connection part of the channel switching plate terminal from the two ends of the battery, and the instrument can obtain a relatively stable voltage value when testing direct-current voltage, but because the test environment has a relatively large influence on the alternating-current internal resistance test value, the change of the test environment around the battery leads to the relatively large consistency test error of the alternating-current internal resistance value, thereby being incapable of meeting the actual requirement of the device for testing the double-side pole battery, and causing inaccuracy and difficulty in equipment debugging for the alternating-current internal resistance test of the battery.
Disclosure of Invention
It is an object of the present utility model to provide an OCV test apparatus for a double-sided pole cell that addresses the above-described deficiencies in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a be used for two side post battery OCV test equipment, including the frame subassembly, be provided with conveying component in the frame subassembly, conveying component is used for carrying the battery that awaits measuring, conveying component's bottom is provided with jacking subassembly, conveying component carries the battery that awaits measuring to jacking subassembly top, jacking subassembly is used for jacking the battery that awaits measuring to testing component's test station, jacking subassembly's top is provided with metal cover subassembly, metal cover subassembly includes metal cover and passageway switching module, be provided with V+ terminal on the passageway switching module, V-terminal, I+ terminal, I-terminal and PB terminal, increase the metal cover like this, the cover is outside the battery that awaits measuring when the test, can eliminate the influence of eddy current to exchanging internal resistance test, the battery that awaits measuring of every passageway all increases the metal cover is in order to be taken away when the battery that awaits measuring in the tray, under the condition of the battery position nearby that awaits measuring, the internal resistance test error is less when full or not full, thereby even reaching and having changed test environment, stability, uniformity of exchanging internal resistance value can be guaranteed.
Preferably, the metal cover assembly further comprises a guide rod, the guide rod is arranged on the outer side of the metal cover, the metal cover and the guide rod are driven to lift by the lifting cylinder, the metal cover assembly further comprises a PCB board, a control basis is provided for the channel switching module, and the guide rod is used for righting and guiding the battery to be tested when the guide rod descends.
Preferably, the test assembly comprises two groups of test probes, the two groups of test probes are respectively arranged corresponding to the positive electrode and the negative electrode of the battery to be tested, the test probes are driven by the transverse moving cylinder to transversely move, and during test, the transverse moving cylinder drives the test probes to transversely move to contact the positive electrode and the negative electrode of the battery to be tested.
Preferably, the metal cover is a stainless steel member with the thickness of 1mm, and the inner side and the outer side of the metal cover are respectively stuck with a teflon corrosion-resistant insulating tape with the thickness of 0.1mm so as to prevent the surface of the battery to be tested from being in contact short circuit with the metal cover when the battery to be tested is covered.
Preferably, the test probe adopts an L-shaped wide-pole probe module, and a current wire and a voltage wire of the test probe corresponding to the anode and the cathode of the battery to be tested adopt twisted pair shielding wires with strong anti-interference capability.
A test wiring method for OCV test equipment of a double-side pole battery is shown in the figure, a current wire and a voltage wire (namely V+, V-, I+ and I-wires) on the positive side and the negative side of the battery to be tested are respectively connected to a voltage current positive terminal and a voltage current negative terminal of a channel switching module, namely a V+ terminal, a V-terminal, an I+ terminal and an I-terminal of the corresponding channel switching module, a shielding layer on the V+, V-, I+ and I-wires is connected to a PB terminal of the channel switching module, a voltage wire V+ on the positive side of each channel battery to be tested is distributed on the positive side of the battery to be tested, a current wire I+ is distributed on the negative side of the battery to be tested, voltage wires V-and I-on the negative side of the battery to be tested are distributed on the negative side of the battery to be tested, the current wires I+ and I-are twisted together, a positive current wire I+ of the channel switching module is connected to a bolt hole on one end of a metal cover, and a bolt hole on the other end of the metal cover is connected to a test probe I+ on the positive side; the inner side and the outer side of the metal cover are fully adhered with the teflon corrosion-resistant insulating adhesive tape to prevent the inner side from being short-circuited with the surface of the battery to be tested, the metal cover is used as the negative electrode of a current wire, and the current passes through the metal cover and then reaches the other electrode of the probe during testing. The wiring mode distributes the I+ and I-current wires on the same side of the polarity of the battery to be tested in a twisted-pair manner so as to reduce the loop area of alternating current, avoid the influence of the generated vortex on the alternating current internal resistance value and increase the stability of the internal resistance meter test. The metal cover is added to the battery to be tested in each channel, so that when the battery to be tested is taken away from the tray, the vortex is changed under the condition that the battery position is empty near the battery to be tested, and the internal resistance test error is smaller when the tray is full or not full.
In the technical scheme, the utility model has the technical effects and advantages that:
1. according to the utility model, the metal cover is added, and the metal cover covers the battery to be tested during testing, so that the influence of eddy current on the AC internal resistance test can be eliminated during testing, and the stability and consistency of the AC internal resistance value can be ensured even if the testing environment is changed.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of the overall structure of the test apparatus of the present utility model.
Fig. 2 is a front view of the metal cap assembly of the present utility model.
Fig. 3 is a side view of the metal cap assembly of the present utility model.
Fig. 4 is a schematic diagram of the positive side and negative side current lines and voltage lines of the test assembly of the present utility model. .
Reference numerals illustrate:
1. a frame assembly; 2. a transport assembly; 3. a jacking assembly; 4. a testing component; 41. a test probe; 5. a metal cover assembly; 51. a metal cover; 52. a guide rod; 53. a lifting cylinder; 54. a PCB board; 55. a channel switching module; 6. and (5) testing the battery.
Detailed Description
Examples
The utility model provides an OCV (optically variable voltage) testing device for a double-sided pole battery, as shown in fig. 1-4, comprising a rack assembly 1, wherein a conveying assembly 2 is arranged in the rack assembly 1, the conveying assembly 2 is used for conveying a battery 6 to be tested, a jacking assembly 3 is arranged at the bottom of the conveying assembly 2, a testing assembly 4 is arranged at two sides of the conveying assembly 2, the conveying assembly 2 is used for conveying the battery 6 to be tested to the upper part of the jacking assembly 3, the jacking assembly 3 is used for jacking the battery 6 to be tested to a testing station of the testing assembly 4, a metal cover assembly 5 is arranged above the jacking assembly 3, the metal cover assembly 5 comprises a metal cover 51 and a channel switching module 55, a V+ terminal, a V-terminal, an I+ terminal, an I-terminal and a PB (shielded wire) terminal are arranged on the channel switching module 55, so that the metal cover 51 is additionally arranged outside the battery 6 to be tested during testing, the influence of eddy current on the AC internal resistance testing can be eliminated, the battery 6 to be tested of each channel is additionally provided with the metal cover 51, and the internal resistance testing can be ensured even if the eddy current is changed or the internal resistance of the tray is not full, and the internal resistance of the test can be consistent even if the internal resistance of the test is changed.
Further, in the above technical solution, the metal cover assembly 5 further includes a guide rod 52, the guide rod 52 is disposed at the outer side of the metal cover 51, the metal cover 51 and the guide rod 52 are driven to lift by the lifting cylinder 53, the metal cover assembly 5 further includes a PCB 54, a control basis is provided for the channel switching module 55, and the guide rod 52 performs righting and guiding on the battery 6 to be tested when descending.
Further, in the above technical scheme, the test assembly 4 includes two sets of test probes 41, the two sets of test probes 41 are respectively corresponding to the positive and negative poles at the two ends of the battery 6 to be tested, the test probes 41 are driven by the transverse moving cylinder to move transversely, and during testing, the transverse moving cylinder drives the test probes 41 to contact the positive and negative poles of the battery 6 to be tested in a transverse moving manner.
Further, in the above technical solution, the metal cover 51 is a stainless steel member with a thickness of 1mm, and the inner side and the outer side of the metal cover 51 are respectively adhered with a teflon corrosion-resistant insulating tape with a thickness of 0.1mm, so as to prevent the surface of the battery 6 to be tested from being in contact short circuit with the metal cover 51 when the battery 6 to be tested is covered by 21.
Furthermore, in the above technical solution, the test probe 41 adopts an L-shaped wide-pole probe module, and the current wire and the voltage wire of the test probe 41 corresponding to the anode and the cathode of the battery 6 to be tested adopt twisted pair shielding wires with strong anti-interference capability.
As shown in fig. 4, the current line and the voltage line (i.e., v+, V-, i+, I-line) on the positive and negative sides of the battery 6 to be tested are respectively connected to the positive and negative terminals of the voltage and current of the channel switching module 55, i.e., the shielding layer on the v+ terminal, V-terminal, i+ terminal, I-terminal, v+, V-, i+, I-line of the corresponding channel switching module 55 is connected to the PB (shielding line) terminal of the channel switching module 55, the voltage line v+ on the positive side of each channel battery 6 to be tested is distributed on the positive side of the battery 6 to be tested, the current line i+ is distributed on the negative side of the battery 6 to be tested, the voltage lines V-and I-on the negative side of the battery 6 to be tested are distributed on the negative side of the battery 6 to be tested, the current lines i+ and I-are distributed on the negative side of the battery 6 to be tested, the positive current line i+ of the channel switching module 55 is connected to the bolt hole on one end of the metal cover 51, and the bolt hole on the other end of the metal cover 51 is connected to the test probe 41i+ on the positive side; the inner side and the outer side of the metal cover 51 are fully adhered with teflon corrosion-resistant insulating tapes to prevent the inner side from being short-circuited with the surface of the battery 6 to be tested, the metal cover 51 is used as the negative electrode of a current wire, and current passes through the metal cover 51 during testing and then reaches the other electrode of the probe. The wiring mode distributes the I+ and I-current wires on the same side of the polarity of the battery 6 to be tested in a twisted manner so as to reduce the loop area of alternating current, avoid the influence of the generated vortex on the alternating current internal resistance value and increase the stability of the internal resistance meter test. The metal cover 51 is added to the battery 6 to be tested in each channel, so that when the battery 6 to be tested is taken away from the tray, the vortex is changed under the condition that the battery position is empty near the battery 6 to be tested, and the internal resistance test error is smaller when the tray is full or not full.
Working principle: when the test equipment is used, the conveying assembly 2 is used for conveying the battery 6 to be tested to the upper part of the jacking assembly 3, the jacking assembly 3 jacks the battery 6 to be tested to the test station of the test assembly 4, the battery 6 to be tested is placed in a single layer, and battery poles are arranged at two ends of the battery 6 to be tested and are compatible with blue book batteries of different sizes. As shown in fig. 4, the distance between the positive and negative electrode posts at two ends of the battery 6 to be tested is far, a metal cover 51 is added in the device, the stainless steel material with the thickness of 1mm is adopted, and a teflon corrosion-resistant insulating tape with the thickness of 0.1mm is required to be stuck on the inner side of the metal cover 51, so as to prevent the surface of the battery 6 to be tested from being in contact with the metal cover 51 for short circuit when the battery 6 to be tested is covered by 21, and thus the influence of eddy current on the alternating current internal resistance test can be eliminated during the test, and the stability and consistency of the alternating current internal resistance value can be ensured even if the test environment is changed; the current line I-and the voltage line V-of the test probe 41 on the negative side of the battery 6 to be tested are connected to the V-terminal and the I-terminal on the channel switching module 55, and the shielding layer lines of the current and voltage line wires are connected to the PB (shielding line) terminal of the channel switching module 55; the voltage line V+ of the test probe 41 on the positive side of the battery 6 to be tested is connected to the V+ terminal of the channel switching module 55, the current line I+ is connected to the positive side bolt hole of the metal cover 51, one end of the current line I-is connected to the negative side bolt hole of the metal cover 51, the other end is connected to the I-terminal of the channel switching module 55, and the current lines I-and I+ are twisted together and distributed on the negative side, so that the area of an alternating current loop can be reduced, and the stability of testing the alternating current internal resistance value can be achieved. When the battery 6 to be tested is sent to the testing position of the equipment along with the tray through the conveying component 2, the positioning code scanning is carried out, the testing component 4 starts to act, the testing probes 41 on the left side and the right side are synchronously contacted with the positive pole and the negative pole of the battery 6 to be tested, then the lifting cylinder 53 of the metal cover component 5 descends, the guiding rod is used for righting the battery 6 to be tested, and meanwhile, the metal cover 51 covers the battery 6 to be tested, and OCV testing is started. The upper computer sends a channel switching instruction to the PCB 54, the channel switching module 55 sequentially switches each channel, and the voltmeter and the internal resistance meter can read the alternating current internal resistance value and the direct current voltage value of the battery 6 to be tested of the corresponding channel, so that the automatic OCV test of the blade battery is realized.
Claims (4)
1. An OCV test apparatus for a double-sided pole cell, comprising a frame assembly (1), characterized in that: be provided with conveying assembly (2) in frame subassembly (1), conveying assembly (2) are used for carrying battery (6) that awaits measuring, the bottom of conveying assembly (2) is provided with jacking subassembly (3), the both sides of conveying assembly (2) are provided with test assembly (4), jacking subassembly (3) are used for jacking battery (6) that awaits measuring to test station of test assembly (4), the top of jacking subassembly (3) is provided with metal cover subassembly (5), metal cover subassembly (5) include metal cover (51) and passageway switching module (55), metal cover subassembly (5) still include guide bar (52), guide bar (52) set up in the metal cover (51) outside, metal cover (51) and guide bar (52) are gone up and down by lift cylinder (53) drive.
2. The OCV test apparatus for a double-sided pole cell of claim 1, wherein: the test assembly (4) comprises two groups of test probes (41), the two groups of test probes (41) are respectively arranged corresponding to the positive electrode and the negative electrode of the two ends of the battery (6) to be tested, and the test probes (41) are driven by the transverse moving cylinder to move transversely.
3. The OCV test apparatus for a double-sided pole cell of claim 2, wherein: the metal cover (51) is a stainless steel member, and the inner side and the outer side of the metal cover (51) are respectively stuck with a teflon corrosion-resistant insulating tape.
4. The OCV test apparatus for a double-sided pole cell of claim 1, wherein: the test probe (41) adopts an L-shaped wide-pole probe module, and a current wire and a voltage wire of the test probe (41) adopt twisted pair shielding wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320827014.5U CN219915884U (en) | 2023-04-14 | 2023-04-14 | OCV test equipment for double-side pole battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320827014.5U CN219915884U (en) | 2023-04-14 | 2023-04-14 | OCV test equipment for double-side pole battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219915884U true CN219915884U (en) | 2023-10-27 |
Family
ID=88434403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320827014.5U Active CN219915884U (en) | 2023-04-14 | 2023-04-14 | OCV test equipment for double-side pole battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219915884U (en) |
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2023
- 2023-04-14 CN CN202320827014.5U patent/CN219915884U/en active Active
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