CN216748017U - Square lithium cell OCV accredited testing organization - Google Patents
Square lithium cell OCV accredited testing organization Download PDFInfo
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- CN216748017U CN216748017U CN202123062893.7U CN202123062893U CN216748017U CN 216748017 U CN216748017 U CN 216748017U CN 202123062893 U CN202123062893 U CN 202123062893U CN 216748017 U CN216748017 U CN 216748017U
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Abstract
The utility model discloses a square lithium cell OCV accredited testing organization, include: the testing device comprises a base, wherein a supporting plate is fixedly connected to the upper surface of the base, a first air cylinder and a second air cylinder are connected to the front side of the supporting plate, a first extending block is fixedly connected to the output end of the first air cylinder, an upper testing base plate is fixedly connected to the bottom of the first extending block, two upper testing heads are assembled at the bottom of the upper testing base plate, a second extending block is fixedly connected to the output of the second air cylinder, a lower testing base plate is fixedly connected to the top of the second extending block, and two lower testing heads are assembled at the top of the lower testing base plate; the square lithium battery comprises a square lithium battery main body, wherein a lug part of the square lithium battery main body is positioned between an upper test head and a lower test head. The beneficial effects of the utility model are that: the lug part of the square lithium battery main body is clamped between the upper test head and the lower test head, and the situation of dislocation between the upper test head and the lower test head is avoided.
Description
Technical Field
The utility model relates to an OCV accredited testing organization specifically is a square lithium cell OCV accredited testing organization, belongs to lithium cell technical field.
Background
The lithium ion battery is divided into a square lithium battery (such as a commonly used mobile phone battery cell), a cylindrical lithium battery (such as 18650, 18500 and the like) and a button lithium battery according to the appearance; the lithium battery is divided into an aluminum shell lithium battery, a steel shell lithium battery and a soft package battery according to the external packing material; the anode material is divided into lithium cobaltate, lithium iron phosphate, lithium manganate and lithium polymer.
When testing square lithium battery, generally all carry out the centre gripping and then carry out OCV curve test to battery utmost point ear through test head from top to bottom, but current accredited testing organization is not stable enough to battery utmost point ear centre gripping, and test head is inconvenient from top to bottom fixes a position, the condition of centre gripping dislocation probably appears, consequently to the test procedure, therefore we have provided a square lithium battery OCV accredited testing organization.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a square lithium cell OCV accredited testing organization in order to solve above-mentioned problem, external fixture through setting carries out the centre gripping with square lithium cell main part, stretch into the utmost point ear part of square lithium cell main part simultaneously supreme test head and down between the test head, and through the first cylinder and the second cylinder that set up, make and test backing plate and lower test backing plate move in opposite directions, and driven two and gone up test head and two test head moves in opposite directions down, until the utmost point ear part that makes square lithium cell main part is by the centre gripping at last test head under with between the test head, go up the condition that can not appear the dislocation between test head and the lower test head, the location is accurate, can stabilize the centre gripping to the utmost point ear part of square lithium cell main part.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a square lithium cell OCV accredited testing organization, include:
the testing device comprises a base, wherein a supporting plate is fixedly connected to the upper surface of the base, a first air cylinder and a second air cylinder are connected to the front surface of the supporting plate, a first extending block is fixedly connected to the output end of the first air cylinder, an upper testing base plate is fixedly connected to the bottom of the first extending block, two upper testing heads are assembled at the bottom of the upper testing base plate, a second extending block is fixedly connected to the output end of the second air cylinder, a lower testing base plate is fixedly connected to the top of the second extending block, and two lower testing heads are assembled at the top of the lower testing base plate;
the square lithium battery comprises a square lithium battery main body, wherein the square lithium battery main body is connected with an external clamping mechanism, and a tab part of the square lithium battery main body is positioned between an upper test head and a lower test head.
Preferably, the upper surface of the base is fixedly connected with two fixing screws, and the two fixing screws are all abutted to the front surface of the supporting plate.
Preferably, the front surface of the base is symmetrically and fixedly connected with two reinforcing ribs, and the two reinforcing ribs are positioned on two sides of the second cylinder.
Preferably, the bottom of the upper test backing plate is fixedly connected with two first fixing blocks, the two upper test heads are respectively and fixedly connected to the bottoms of the two first fixing blocks, and cover plates are fixedly connected to the front surfaces of the two first fixing blocks.
Preferably, the upper surface of the lower test base plate is fixedly connected with two lower negative electrode test insulating blocks, the front surface of each lower negative electrode test insulating block is fixedly connected with a lower positive electrode test insulating block, and the lower test heads are respectively and fixedly connected to the upper surfaces of the two lower positive electrode test insulating blocks.
The utility model has the advantages that: the square lithium battery main body is clamped through the arranged external clamping mechanism, the lug part of the square lithium battery main body extends into the space between the upper test head and the lower test head, the upper test base plate and the lower test base plate move oppositely through the arranged first air cylinder and the arranged second air cylinder, and the two upper test heads and the two lower test heads are driven to move oppositely until the lug part of the square lithium battery main body is clamped between the upper test head and the lower test head, so that the situation of dislocation between the upper test head and the lower test head is avoided, the positioning is accurate, and the lug part of the square lithium battery main body can be stably clamped;
through two negative pole test insulating blocks and two positive test insulating blocks down that set up to effectual insulating effect has been played, when making last test head and test head test square lithium cell main part down, the condition of electric leakage can not appear.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the support plate of the present invention;
FIG. 3 is a schematic structural view of the first cylinder and the upper test head of the present invention;
fig. 4 is a schematic structural view of the second cylinder and the lower test head of the present invention.
In the figure: 1. a base; 101. a support plate; 102. a first cylinder; 103. a second cylinder; 104. mounting a test base plate; 105. a lower test base plate; 106. an upper test head; 107. a lower test head; 108. reinforcing ribs; 2. a square lithium battery main body; 201. a first fixed block; 202. a cover plate; 203. testing the insulating block by a lower cathode; 204. the lower positive electrode tests the insulating block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses square lithium cell OCV accredited testing organization.
According to the attached figure 1, the method comprises the following steps:
the testing device comprises a base 1, wherein a supporting plate 101 is fixedly connected to the upper surface of the base 1, a first air cylinder 102 and a second air cylinder 103 are connected to the front surface of the supporting plate 101, a first extending block is fixedly connected to the output end of the first air cylinder 102, an upper testing base plate 104 is fixedly connected to the bottom of the first extending block, two upper testing heads 106 are assembled at the bottom of the upper testing base plate 104, a second extending block is fixedly connected to the output end of the second air cylinder 103, a lower testing base plate 105 is fixedly connected to the top of the second extending block, and two lower testing heads 107 are assembled at the top of the lower testing base plate 105;
the square lithium battery main body 2 is connected with an external clamping mechanism, and a lug part of the square lithium battery main body 2 is positioned between the upper test head 106 and the lower test head 107;
carry out the centre gripping with square lithium cell main part 2 through the external fixture that sets up, stretch into the utmost point ear part of square lithium cell main part 2 simultaneously between supreme test head 106 and the test head 107 down, and through the first cylinder 102 and the second cylinder 103 that set up, make and test backing plate 104 and test backing plate 105 move in opposite directions down, and driven two and gone up test head 106 and test head 107 and move in opposite directions down, until making the utmost point ear part of square lithium cell main part 2 by the centre gripping at last test head 106 under with between the test head 107, the condition of dislocation can not appear between last test head 106 and the test head 107 down, the location is accurate, can stabilize the centre gripping to the utmost point ear part of square lithium cell main part 2.
According to the illustration of fig. 1, two fixing screws are fixedly connected to the upper surface of the base 1, and both of the two fixing screws are abutted against the front surface of the supporting plate 101.
According to the illustration of fig. 1, two reinforcing ribs 108 are symmetrically and fixedly connected to the front surface of the base 1, and the two reinforcing ribs 108 are located at two sides of the second cylinder 103.
As shown in fig. 3, two first fixing blocks 201 are fixedly connected to the bottom of the upper test pad 104, the two upper test heads 106 are respectively fixedly connected to the bottoms of the two first fixing blocks 201, and the cover plate 202 is fixedly connected to the front surfaces of the two first fixing blocks 201.
According to fig. 4, two lower negative electrode test insulation blocks 203 are fixedly connected to the upper surface of the lower test pad 105, lower positive electrode test insulation blocks 204 are fixedly connected to the front surfaces of the two lower negative electrode test insulation blocks 203, and two lower test heads 107 are respectively fixedly connected to the upper surfaces of the two lower positive electrode test insulation blocks 204;
through two negative pole test collets 203 and two positive pole test collets 204 under setting up to effectual insulating effect has been played, when making last test head 106 and test head 107 under to the square lithium cell main part 2 test, the condition of electric leakage can not appear.
The working principle is as follows: in the using process, firstly, the square lithium battery main body 2 is clamped through an external clamping mechanism (the external clamping mechanism is not shown in the figure in the embodiment and is a mature and common structure in the prior art, and is not described in detail), meanwhile, the tab part of the square lithium battery main body 2 is inserted between the upper test head 106 and the lower test head 107, and through the first cylinder 102 and the second cylinder 103, when the first and second air cylinders 102, 103 are operated, the upper and lower test pads 104, 105 are moved toward each other, the two upper test heads 106 and the two lower test heads 107 are driven to move oppositely until the tab part of the square lithium battery main body 2 is clamped between the upper test head 106 and the lower test head 107, so that the upper test head 106 and the lower test head 107 are not dislocated, the positioning is accurate, and the tab part of the square lithium battery main body 2 can be stably clamped;
for those skilled in the art, the two lower negative electrode test insulating blocks 203 and the two lower positive electrode test insulating blocks 204 are arranged to perform an effective insulating function, so that when the upper test head 106 and the lower test head 107 test the square lithium battery main body 2, the electric leakage does not occur.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a square lithium cell OCV accredited testing organization which characterized in that includes:
the testing device comprises a base (1), wherein a supporting plate (101) is fixedly connected to the upper surface of the base (1), a first air cylinder (102) and a second air cylinder (103) are connected to the front surface of the supporting plate (101), a first extending block is fixedly connected to the output end of the first air cylinder (102), an upper testing base plate (104) is fixedly connected to the bottom of the first extending block, two upper testing heads (106) are assembled at the bottom of the upper testing base plate (104), a second extending block is fixedly connected to the output end of the second air cylinder (103), a lower testing base plate (105) is fixedly connected to the top of the second extending block, and two lower testing heads (107) are assembled at the top of the lower testing base plate (105);
the square lithium battery comprises a square lithium battery main body (2), wherein the square lithium battery main body (2) is connected with an external clamping mechanism, and a lug part of the square lithium battery main body (2) is positioned between an upper testing head (106) and a lower testing head (107).
2. The OCV testing mechanism for square lithium battery according to claim 1, wherein: the upper surface of the base (1) is fixedly connected with two fixing screws, and the two fixing screws are all abutted to the front surface of the supporting plate (101).
3. The OCV testing mechanism for square lithium battery according to claim 1, wherein: the front face of the base (1) is symmetrically and fixedly connected with two reinforcing ribs (108), and the two reinforcing ribs (108) are positioned on two sides of the second air cylinder (103).
4. The OCV testing mechanism for square lithium battery according to claim 1, wherein: go up two first fixed blocks (201) of bottom fixedly connected with of test backing plate (104), and two go up test head (106) fixed connection respectively in the bottom of two first fixed blocks (201), two the equal fixedly connected with apron (202) in front of first fixed block (201).
5. The OCV testing mechanism for square lithium battery according to claim 1, wherein: the upper surface of lower test backing plate (105) is fixedly connected with two lower negative test insulation blocks (203), and two positive test insulation blocks (204) are fixedly connected with the front of lower negative test insulation blocks (203) respectively, and two test heads (107) are fixedly connected to the upper surfaces of two lower positive test insulation blocks (204) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123062893.7U CN216748017U (en) | 2021-12-07 | 2021-12-07 | Square lithium cell OCV accredited testing organization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123062893.7U CN216748017U (en) | 2021-12-07 | 2021-12-07 | Square lithium cell OCV accredited testing organization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216748017U true CN216748017U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123062893.7U Active CN216748017U (en) | 2021-12-07 | 2021-12-07 | Square lithium cell OCV accredited testing organization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216748017U (en) |
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2021
- 2021-12-07 CN CN202123062893.7U patent/CN216748017U/en active Active
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