CN111579480A - Storage battery terminal performance simulation test structure and method thereof - Google Patents

Storage battery terminal performance simulation test structure and method thereof Download PDF

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Publication number
CN111579480A
CN111579480A CN202010529881.1A CN202010529881A CN111579480A CN 111579480 A CN111579480 A CN 111579480A CN 202010529881 A CN202010529881 A CN 202010529881A CN 111579480 A CN111579480 A CN 111579480A
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China
Prior art keywords
terminal
simulation test
lead base
glue layer
test structure
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Pending
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CN202010529881.1A
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Chinese (zh)
Inventor
李军
茆黎明
李春景
胡国柱
李明钧
丁建中
孙旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Tianneng Battery Jiangsu Co Ltd
Tianneng Group Jiangsu Technology Co Ltd
Tianneng Group Jiangsu Special Power Supply Co Ltd
Zhejiang Tianneng Battery Jiangsu New Energy Co Ltd
Original Assignee
Zhejiang Tianneng Battery Jiangsu Co Ltd
Tianneng Group Jiangsu Technology Co Ltd
Tianneng Group Jiangsu Special Power Supply Co Ltd
Zhejiang Tianneng Battery Jiangsu New Energy Co Ltd
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Application filed by Zhejiang Tianneng Battery Jiangsu Co Ltd, Tianneng Group Jiangsu Technology Co Ltd, Tianneng Group Jiangsu Special Power Supply Co Ltd, Zhejiang Tianneng Battery Jiangsu New Energy Co Ltd filed Critical Zhejiang Tianneng Battery Jiangsu Co Ltd
Priority to CN202010529881.1A priority Critical patent/CN111579480A/en
Publication of CN111579480A publication Critical patent/CN111579480A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00Investigating materials by mechanical methods
    • G01N19/04Measuring adhesive force between materials, e.g. of sealing tape, of coating
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/36Embedding or analogous mounting of samples

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The invention discloses a storage battery terminal performance simulation test structure and a method thereof, and the storage battery terminal performance simulation test structure comprises a columnar terminal integrally cast and formed by a copper core and a lead base, wherein the copper core is embedded in the lead base, the bottom of the terminal is integrally connected with a connecting block, the storage battery terminal performance simulation test structure also comprises a rubber mold, a glue layer and a vice, the rubber mold is in an upper opening shape and a cylindrical shape, a through hole penetrates through the bottom of the rubber mold, the terminal penetrates through the through hole from bottom to top, and the glue layer is arranged between the inner side wall of the rubber mold and the outer side wall; and the glue layer is cured and attached to the outer side wall of the terminal, the rubber mold is opened, and the terminal attached with the glue layer is placed into the left clamping plate and the right clamping plate of the vice. According to the structure of the invention, the glue is injected into the space between the rubber die and the outer side surface of the terminal to form the glue layer attached to the outer side surface of the lead base, so that the vice cannot clamp the copper core and the lead base simultaneously during torque force testing, the operation is simple and rapid, the accuracy of experimental data is greatly improved, and the excellent rate of products is improved.

Description

Storage battery terminal performance simulation test structure and method thereof
Technical Field
The invention relates to the field of storage battery terminal testing, in particular to a storage battery terminal performance simulation test structure and a storage battery terminal performance simulation test method.
Background
The terminal is an important part of the storage battery and plays a role in connecting external equipment to conduct current. For the sake of beauty and reliability of connection, the terminal of the existing storage battery is composed of a copper core and a lead base, and if the copper core and the lead base are not firmly combined, the copper core is loosened, quality risks are brought, and the detection of the terminal is particularly important.
Currently, a lead-based body is clamped by a vice, and then a torsion test is performed on a copper core. Because the copper core is embedded into the lead base main body, the vice clamps the lead base and also clamps the copper core, so that the copper core cannot move relative to the lead base main body, the tested torsion cannot accurately reflect the torsion of the terminal, and further misjudgment is caused.
Disclosure of Invention
The invention aims to provide a simulation test structure and a simulation test method for the performance of a storage battery terminal, which overcome the defects of the prior art and solve the problem that the tested torsion cannot accurately reflect the torsion of the terminal and further causes misjudgment because a copper core is embedded into a lead base main body and a vice clamps the lead base and also clamps the copper core, so that the copper core cannot move relative to the lead base main body.
In order to achieve the purpose, the invention adopts the following technical scheme:
a simulation test structure and method for performance of a storage battery terminal comprise a cylindrical terminal integrally cast and formed by a copper core and a lead base, wherein the copper core is embedded in the lead base, the bottom of the terminal is integrally connected with a connecting block, the simulation test structure further comprises a rubber mold, a glue layer and a vice, the rubber mold is of an upper opening and cylindrical shape, a through hole penetrates through the bottom of the rubber mold, the terminal penetrates through the through hole from bottom to top, and the glue layer is arranged between the inner side wall of the rubber mold and the outer side wall of the terminal;
and the glue layer is cured and attached to the outer side wall of the terminal, the rubber mold is opened, and the terminal attached with the glue layer is placed into the left clamping plate and the right clamping plate of the vice.
Further, a skirt is vertically extended downwards from the inner peripheral edge of the through hole.
Further, the through hole and the skirt edge are in interference fit with the outer side wall of the lead base.
Further, the skirt edge is just clamped on the top surface of the connecting block.
Furthermore, the copper core longitudinal section is in a T shape and is divided into a copper cap and a copper rod, a cylindrical hole is formed in the center of the lead base, the copper rod is embedded into the cylindrical hole, and the copper cap is carried on the top surface of the lead base.
Further, the outer diameter of the copper cap is equal to the outer diameter of the lead base.
Further, the height of the top surface of the glue layer is lower than the height of the joint of the copper cap and the top surface of the lead base.
Furthermore, the glue layer is an epoxy resin curing glue layer.
Furthermore, V-shaped clamping blocks are fixed on the inner side surfaces of the left clamping plate and the right clamping plate of the vice through embedded bolts, and openings of the V-shaped clamping blocks are opposite.
A test method for a simulation test structure of the performance of a storage battery terminal comprises the following steps
S1: the terminal 1 penetrates through a through hole 21 of the rubber mold 2 and is placed on a worktable surface (the worktable surface is horizontal);
s2: injecting glue into the space between the inner side wall of the rubber mold 2 and the outer side wall of the terminal 1, wherein the height of the liquid level of the glue is 2-4 mm lower than the height of a bonding line between the copper cap 14 and the top surface of the lead base 12;
s3: placing the rubber mold 2 injected with the glue together with the copper core 11 and the lead base 12 into a high-temperature box at the temperature of 60-80 ℃, curing for 70-120 min, taking out and cooling to normal temperature;
s4: the rubber mold 2 is pulled off (demolding) to expose the terminal 1 attached with the glue layer 3, wherein the rubber mold 2 can be repeatedly used;
s5: the V-shaped clamping blocks 6 are respectively fixed on the inner side surfaces of the left clamping plate and the right clamping plate of the vice 4 through embedded bolts 5, and the openings of the V-shaped clamping blocks 6 are arranged oppositely;
s6: placing the demolded terminal 1 into a left clamping plate and a right clamping plate of a vice 4, and enabling a glue layer 3 to be just clamped between V-shaped clamping blocks 6, so as to lock a lead base 12;
s7: drawing a vertical marking line 7 at the joint line of the copper cap 14 and the top surface of the lead base 12, namely, half of the marking line 7 is positioned on the outer side surface of the copper cap 14, and the other half is positioned on the outer side surface of the lead base 12;
s8: the torsion test is carried out on the copper core by adopting the torsion handle, namely the torsion handle clamps the copper cap 14 to rotate in the horizontal direction, if the torsion of the copper core 11 meets the standard, the marking line 7 cannot generate relative dislocation, otherwise, the dislocation is generated.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a storage battery terminal performance simulation test structure and a method thereof.A glue layer is arranged between the inner side wall of a rubber mold and the outer side wall of a terminal, the glue layer is solidified and attached to the outer side wall of the terminal, the rubber mold is opened, and the terminal attached with the glue layer is placed into a left clamping plate and a right clamping plate of a vice, so that the problem that the vice clamps a copper core while clamping a lead base is avoided, and the accuracy of a copper core torsion test is further improved.
The invention provides a battery terminal performance simulation test structure and a method thereof.A skirt edge vertically extends downwards along the periphery of the inner side of a through hole, so as to extend a contact surface between the inner side wall of the through hole and the outer side wall of a terminal, and further liquid glue is not easy to seep out of the through hole.
According to the battery terminal performance simulation test structure and the battery terminal performance simulation test method, the through hole and the skirt are in interference fit with the lead-based outer side wall, so that the air tightness among the inner side wall of the through hole, the inner side wall of the skirt and the outer side wall of the terminal is further improved, and glue is less prone to seeping out from the bottom of the skirt.
According to the battery terminal performance simulation test structure and the battery terminal performance simulation test method, the bottom of the terminal is integrally connected with the connecting block, and the skirt edge is just clamped on the top surface of the connecting block, so that the distance of the rubber mold penetrating through the through hole is conveniently controlled.
According to the simulation test structure and the simulation test method for the performance of the storage battery terminal, the height of the top surface of the glue layer is lower than the height of the joint of the copper cap and the top surface of the lead base, so that when a vice clamps the glue layer (namely clamps the lead base), the vice cannot clamp the copper core along the belt, the problem that the vice clamps the copper core while clamping the lead base is avoided, and the accuracy of the torsion test of the copper core is further improved.
The invention provides a simulation test structure and a simulation test method for the performance of a storage battery terminal.
According to the battery terminal performance simulation test structure and the method thereof, glue is injected into the space between the rubber mold and the outer side face of the terminal to form the glue layer attached to the outer side face of the lead base, so that a vice cannot clamp the copper core and the lead base simultaneously during torque force test, the operation is simple and rapid, the accuracy of experimental data is greatly improved, and the excellent rate of products is improved.
Drawings
Fig. 1 is a schematic sectional view of the glue injection of the present invention.
FIG. 2 is a front cross-sectional view of the demolded article of the present invention.
Fig. 3 is a schematic top view of the terminal testing clamp of the present invention.
In the figure, 1 is a terminal, 11 is a copper core, 12 is a lead base, 13 is a connecting block, 14 is a copper cap, 15 is a copper rod, 16 is a cylindrical hole, 2 is a rubber mold, 21 is a through hole, 22 is a skirt edge, 3 is a glue layer, 4 is a vice, 5 is an embedded bolt, 6 is a V-shaped clamping block, and 7 is a marking line.
Detailed Description
The present invention is further illustrated by the following detailed description in conjunction with the accompanying drawings, it being understood that the following detailed description is illustrative of the invention only and is not intended to limit the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which will occur to those skilled in the art upon reading the present specification.
Example 1: the battery terminal performance simulation test structure and the method thereof shown in fig. 1 to 3 comprise a columnar terminal 1 integrally cast and formed by a copper core 11 and a lead base 12, wherein the copper core 11 is embedded in the lead base 12, the bottom of the terminal 1 is integrally connected with a connecting block 13, the terminal further comprises a rubber mold 2, a glue layer 3 and a vice 4, the rubber mold 2 is open at the upper part and cylindrical, a through hole 21 penetrates through the bottom of the rubber mold 2, the terminal 1 penetrates through the through hole 21 from bottom to top, and the glue layer 3 is arranged between the inner side wall of the rubber mold 2 and the outer side wall of the terminal 1; the glue layer 3 is solidified and attached to the outer side wall of the terminal 1, the rubber mold 2 is opened, and the terminal 1 attached with the glue layer 3 is placed into the left clamping plate and the right clamping plate of the vice 4; a skirt 22 vertically extends downwards along the periphery of the inner side of the through hole 21; the skirt 22 is in interference fit with the outer side wall of the lead base 12; the skirt 22 is just caught on the top surface of the engagement block 13.
The copper core 11 is T-shaped in longitudinal section and is divided into a copper cap 14 and a copper rod 15, a cylindrical hole 16 is formed in the center of the lead base 12, the copper rod 15 is embedded into the cylindrical hole 16, and the copper cap 14 is arranged on the top surface of the lead base 12; the outer diameter of the copper cap 14 is equal to that of the lead base 12; the height of the top surface of the glue layer 3 is lower than that of the joint of the copper cap 14 and the top surface of the lead base 12; the glue layer 3 is an epoxy resin curing glue layer; v-shaped clamping blocks 6 are fixed on the inner side surfaces of the left clamping plate and the right clamping plate of the vice 4 through embedded bolts 5, and the openings of the V-shaped clamping blocks 6 are opposite.
The vise 4 involved in the present invention is a precision angle-fixed vise of type SAV-6 provided by the Omantai electromechanical devices, Inc.
The test method of the invention is as follows:
s1: the terminal 1 penetrates through a through hole 21 of the rubber mold 2 and is placed on a worktable surface (the worktable surface is horizontal);
s2: injecting glue into the space between the inner side wall of the rubber mold 2 and the outer side wall of the terminal 1, wherein the height of the liquid level of the glue is 2-4 mm lower than the height of a bonding line between the copper cap 14 and the top surface of the lead base 12;
s3: placing the rubber mold 2 injected with the glue together with the copper core 11 and the lead base 12 into a high-temperature box at the temperature of 60-80 ℃, curing for 70-120 min, taking out and cooling to normal temperature;
s4: the rubber mold 2 is pulled off (demolding) to expose the terminal 1 attached with the glue layer 3, wherein the rubber mold 2 can be repeatedly used;
s5: the V-shaped clamping blocks 6 are respectively fixed on the inner side surfaces of the left clamping plate and the right clamping plate of the vice 4 through embedded bolts 5, and the openings of the V-shaped clamping blocks 6 are arranged oppositely;
s6: placing the demolded terminal 1 into a left clamping plate and a right clamping plate of a vice 4, and enabling a glue layer 3 to be just clamped between V-shaped clamping blocks 6, so as to lock a lead base 12;
s7: drawing a vertical marking line 7 at the joint line of the copper cap 14 and the top surface of the lead base 12, namely, half of the marking line 7 is positioned on the outer side surface of the copper cap 14, and the other half is positioned on the outer side surface of the lead base 12;
s8: the torsion test is carried out on the copper core by adopting the torsion handle, namely the torsion handle clamps the copper cap 14 to rotate in the horizontal direction, if the torsion of the copper core 11 meets the standard, the marking line 7 cannot generate relative dislocation, otherwise, the dislocation is generated.

Claims (10)

1. The utility model provides a battery terminal performance simulation test structure, includes by copper core (11), plumbous base (12) integral type cast moulding's column terminal (1), copper core (11) are embedded into plumbous base (12), terminal (1) bottom integral type is connected with and links up piece (13), its characterized in that: the terminal is characterized by further comprising a rubber die (2), a glue layer (3) and a vice (4), wherein the rubber die (2) is open at the upper part and cylindrical, a through hole (21) penetrates through the bottom of the rubber die, the terminal (1) penetrates through the through hole (21) from bottom to top, and the glue layer (3) is arranged between the inner side wall of the rubber die (2) and the outer side wall of the terminal (1);
the glue layer (3) is solidified and attached to the outer side wall of the terminal (1), the rubber mold (2) is opened, and the terminal (1) attached with the glue layer (3) is placed into the left clamp plate and the right clamp plate of the vice (4).
2. The battery terminal performance simulation test structure according to claim 1, wherein: and a skirt (22) vertically extends downwards along the periphery of the inner side of the through hole (21).
3. The battery terminal performance simulation test structure according to claim 2, wherein: the through hole (21) and the skirt edge (22) are in interference fit with the outer side wall of the lead base (12).
4. The battery terminal performance simulation test structure according to claim 3, wherein: the skirt edge (22) is just clamped on the top surface of the connecting block (13).
5. The battery terminal performance simulation test structure according to claim 1, wherein: the copper core (11) is T-shaped in longitudinal section and is divided into a copper cap (14) and a copper rod (15), a cylindrical hole (16) is formed in the center of the lead base (12), the copper rod (15) is embedded into the cylindrical hole (16), and the copper cap (14) is arranged on the top surface of the lead base (12).
6. The battery terminal performance simulation test structure according to claim 5, wherein: the outer diameter of the copper cap (14) is equal to that of the lead base (12).
7. The battery terminal performance simulation test structure according to claim 5, wherein: the height of the top surface of the glue layer (3) is lower than that of the joint of the copper cap (14) and the top surface of the lead base (12).
8. The battery terminal performance simulation test structure according to claim 1, wherein: the glue layer (3) adopts an epoxy resin curing glue layer.
9. The battery terminal performance simulation test structure according to claim 1, wherein: v-shaped clamping blocks (6) are fixed on the inner side surfaces of the left clamping plate and the right clamping plate of the vice (4) through embedded bolts (5), and openings of the V-shaped clamping blocks (6) are opposite to each other.
10. The test method of the battery terminal performance simulation test structure according to any one of claims 1 to 9, characterized in that: comprises that
S1: the terminal 1 penetrates through a through hole 21 of the rubber mold 2 and is placed on a worktable surface (the worktable surface is horizontal);
s2: injecting glue into the space between the inner side wall of the rubber mold 2 and the outer side wall of the terminal 1, wherein the height of the liquid level of the glue is 2-4 mm lower than the height of a bonding line between the copper cap 14 and the top surface of the lead base 12;
s3: placing the rubber mold 2 injected with the glue together with the copper core 11 and the lead base 12 into a high-temperature box at the temperature of 60-80 ℃, curing for 70-120 min, taking out and cooling to normal temperature;
s4: the rubber mold 2 is pulled off (demolding) to expose the terminal 1 attached with the glue layer 3, wherein the rubber mold 2 can be repeatedly used;
s5: the V-shaped clamping blocks 6 are respectively fixed on the inner side surfaces of the left clamping plate and the right clamping plate of the vice 4 through embedded bolts 5, and the openings of the V-shaped clamping blocks 6 are arranged oppositely;
s6: placing the demolded terminal 1 into a left clamping plate and a right clamping plate of a vice 4, and enabling a glue layer 3 to be just clamped between V-shaped clamping blocks 6, so as to lock a lead base 12;
s7: drawing a vertical marking line 7 at the joint line of the copper cap 14 and the top surface of the lead base 12, namely, half of the marking line 7 is positioned on the outer side surface of the copper cap 14, and the other half is positioned on the outer side surface of the lead base 12;
s8: the torsion test is carried out on the copper core by adopting the torsion handle, namely the torsion handle clamps the copper cap 14 to rotate in the horizontal direction, if the torsion of the copper core 11 meets the standard, the marking line 7 cannot generate relative dislocation, otherwise, the dislocation is generated.
CN202010529881.1A 2020-06-11 2020-06-11 Storage battery terminal performance simulation test structure and method thereof Pending CN111579480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010529881.1A CN111579480A (en) 2020-06-11 2020-06-11 Storage battery terminal performance simulation test structure and method thereof

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Application Number Priority Date Filing Date Title
CN202010529881.1A CN111579480A (en) 2020-06-11 2020-06-11 Storage battery terminal performance simulation test structure and method thereof

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Publication Number Publication Date
CN111579480A true CN111579480A (en) 2020-08-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114354480A (en) * 2021-12-27 2022-04-15 重庆长安新能源汽车科技有限公司 New energy automobile battery package bottom cuts to pieces and rubs test device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114354480A (en) * 2021-12-27 2022-04-15 重庆长安新能源汽车科技有限公司 New energy automobile battery package bottom cuts to pieces and rubs test device
CN114354480B (en) * 2021-12-27 2024-01-23 深蓝汽车科技有限公司 New energy automobile battery package bottom is cut and is rubbed test device

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