CN216083028U - Lithium battery charging and discharging safety testing device - Google Patents
Lithium battery charging and discharging safety testing device Download PDFInfo
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- CN216083028U CN216083028U CN202122264127.2U CN202122264127U CN216083028U CN 216083028 U CN216083028 U CN 216083028U CN 202122264127 U CN202122264127 U CN 202122264127U CN 216083028 U CN216083028 U CN 216083028U
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- discharging
- battery charging
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 71
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000007599 discharging Methods 0.000 title claims abstract description 27
- 238000009781 safety test method Methods 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 238000011076 safety test Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model discloses a lithium battery charging and discharging safety testing device which comprises a base and a lithium battery main body, wherein two mounting plates are arranged on the outer wall of the top of the base, the same sliding rod is arranged on the inner wall of one side of the two mounting plates, the outer wall of the circumference of the sliding rod is movably connected with two sliding seats, the outer wall of the bottom of each sliding seat is provided with a bent pipe, a protective plate is arranged on the outer wall of one side of each bent pipe, the outer wall of one side of each protective plate is movably connected with a convex column, and the inner wall of one side of each convex column and the outer wall of one side of each protective plate are clamped with the same spring. The sliding rod is arranged, so that the two sliding seats can slide along the circumferential outer wall of the sliding seat, the distance between the two bent pipes can be gradually reduced, the arc-shaped plates on the two bent pipes are gradually closed, the circumferential outer wall of the lithium battery main body can be clamped and fixed by the arc-shaped plates, and the safety of the lithium battery main body in the follow-up charging and discharging test can be ensured.
Description
Technical Field
The utility model relates to the technical field of lithium battery charging and discharging test devices, in particular to a lithium battery charging and discharging safety test device.
Background
In the prior art, lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material, and the lithium batteries can be roughly classified into two types: the lithium ion battery does not contain metallic lithium and can be charged, and the lithium ion battery needs to be subjected to charge and discharge tests after being processed at present, so that the service life and the safety of the lithium ion battery are tested.
Through the retrieval, chinese patent application number is CN 202011310148.7's patent, discloses a lithium cell measurement testing arrangement that charges, which comprises a substrate, two links of bolt symmetry fixedly connected with, two are passed through to the bottom of base plate one side that the link was carried on the back mutually all is through bolt fixedly connected with motor, two the controller is all installed to one side of motor, first curb plate is all installed to the both sides of base plate symmetry, and the negative electrode plate is installed at the top of base plate, the roof is installed to the top of base plate, positive electrode plate is installed to the bottom of roof.
The lithium battery charging and discharging testing device in the patent has the following defects: in the process of testing the lithium battery, the side wall of the lithium battery cannot be effectively protected, so that the safety of the lithium battery cannot be guaranteed in the testing process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a lithium battery charging and discharging safety testing device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a lithium cell charge-discharge safety testing arrangement, includes base and lithium cell main part, base top outer wall is provided with two mounting panels, two mounting panel one side inner wall is provided with same slide bar, slide bar circumference outer wall swing joint has two sliding seats, sliding seat bottom outer wall is provided with the return bend, return bend one side outer wall is provided with the backplate, backplate one side outer wall swing joint has convex post, convex post one side inner wall and backplate one side outer wall joint have same spring, convex post one side outer wall is provided with the arc.
As a still further scheme of the utility model: the base top outer wall is provided with the support, support top inner wall is provided with electric telescopic handle, the electric telescopic handle output is provided with the alignment jig.
As a still further scheme of the utility model: the inner wall of the adjusting frame is movably connected with two connecting rods, and one ends of the two connecting rods, which are far away from the adjusting frame, are respectively and movably connected with the inner walls of the two sliding seats.
As a still further scheme of the utility model: the outer wall of one side of the adjusting frame is provided with a connecting rod, and the inner wall of the bottom of the connecting rod is provided with a test connecting plate.
As a still further scheme of the utility model: the outer wall of the top of the base is provided with a resistance box, a charge-discharge testing assembly and an electric appliance, and the outer wall of the circumference of the sliding rod is provided with an electrode pressing plate.
As a still further scheme of the utility model: the test fishplate bar, the electrode pressing plate, the resistance box, the charge-discharge test assembly and the electrical appliance are all electrically connected.
As a still further scheme of the utility model: and a hollow cylinder is embedded in the inner wall of the cambered surface of the arc plate.
As a still further scheme of the utility model: the inner wall of the hollow cylinder is movably connected with a universal ball.
Compared with the prior art, the utility model provides a lithium battery charging and discharging safety testing device, which has the following beneficial effects:
1. can make two sliding seats slide along its circumference outer wall through being provided with the pole that slides to can make the distance between two return bends reduce gradually, thereby make and be located drawing close gradually between the arc on two return bends, thereby can utilize the arc to carry out the centre gripping to lithium cell main part circumference outer wall fixed, thereby can guarantee follow-up security when carrying out the charge-discharge test to lithium cell main part.
2. The adjusting frame can be made to utilize the adjusting function of the connecting rod to make the two sliding seats move reversely along the outer wall of the circumference of the sliding rod in the process of moving up and down by controlling the stretching of the output end of the electric telescopic rod, so that the lithium battery main body can be clamped and loosened.
3. Can guarantee to carry out the centre gripping after fixing when the arc to lithium cell main part circumference outer wall through being provided with universal ball for lithium cell main part can continue to shift up under the roll effect of universal ball, thereby make lithium cell main part top can join bottom the electrode clamp plate, can guarantee through being provided with the spring that the arc can carry out the centre gripping to the lithium cell main part of different external diameters fixed, can utilize the elasticity of spring to protect lithium cell main part simultaneously, the too big damage that produces lithium cell main part of pressure of avoiding the arc centre gripping.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic overall structure diagram of a lithium battery charging and discharging safety testing device according to the present invention;
FIG. 2 is a schematic diagram of a side view of a safety testing device for charging and discharging a lithium battery according to the present invention;
FIG. 3 is a schematic view of an overall structure of a clamping assembly of the safety testing device for charging and discharging lithium batteries according to the present invention;
fig. 4 is a schematic view of a partial structure of a clamping assembly of a lithium battery charging and discharging safety testing device according to the present invention.
In the figure: the testing device comprises a base 1, a mounting plate 2, a support 3, an electric telescopic rod 4, an adjusting frame 5, a connecting rod 6, a sliding seat 7, a testing connecting plate 8, a sliding rod 9, a connecting rod 10, an electrode pressing plate 11, a lithium battery main body 12, a bent pipe 13, a resistance box 14, a charging and discharging testing component 15, an electric appliance 16, an arc-shaped plate 17, a hollow cylinder 18, a convex column 19, a spring 20, a protective plate 21 and a universal ball 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
a lithium battery charging and discharging safety testing device, in order to ensure the safety of the test, as shown in figure 1-4, comprises a base 1 and a lithium battery main body 12, the outer wall of the top of the base 1 is fixed with two mounting plates 2 through bolts, two inner walls of one side of the mounting plates 2 are fixed with a same slide rod 9 through bolts, the outer wall of the circumference of the slide rod 9 is connected with two slide seats 7 in a sliding way, the outer wall of the bottom of the slide seat 7 is fixed with a bent pipe 13 through bolts, the outer wall of one side of the bent pipe 13 is fixed with a guard plate 21 through bolts, the outer wall of one side of the guard plate 21 is connected with a convex column 19 in a sliding way, the inner walls of one side of the convex column 19 and the outer wall of one side of the guard plate 21 are connected with a same spring 20 in a clamping way, the outer wall of one side of the convex column 19 is fixed with an arc plate 17 through bolts, and the slide rod 9 can enable the two slide seats 7 to slide along the outer wall of the circumference, therefore, the distance between the two bent pipes 13 can be gradually reduced, so that the arc plates 17 on the two bent pipes 13 are gradually closed, the outer circumferential wall of the lithium battery main body 12 can be clamped and fixed by the arc plates 17, and the subsequent safety in the charging and discharging test of the lithium battery main body 12 can be ensured; the outer wall of the top of the base 1 is provided with a support 3 through bolts, the inner wall of the top of the support 3 is provided with an electric telescopic handle 4 through bolts, the output end of the electric telescopic handle 4 is provided with an adjusting frame 5 through bolts, the inner wall of the adjusting frame 5 is connected with two connecting rods 6 in a rotating manner, the connecting rods 6 are connected with the inner wall of two sliding seats 7 through rotating the end, far away from the adjusting frame 5, of the connecting rods 6 respectively, and the adjusting frame 5 can move in the opposite direction along the circumference outer wall of the sliding rod 9 by controlling the telescopic effect of the output end of the electric telescopic handle 4 so that the adjusting frame 5 can move up and down in the process of utilizing the connecting rods 6 to move in the opposite direction, thereby realizing the clamping and loosening of the lithium battery main body 12.
In order to perform charge and discharge tests on the lithium battery main body 12, as shown in fig. 1-4, the outer wall of one side of the adjusting frame 5 is fixed with a connecting rod 10 through a bolt, the inner wall of the bottom of the connecting rod 10 is fixed with a test connection plate 8 through a bolt, the outer wall of the top of the base 1 is fixed with a resistor box 14, a charge and discharge test assembly 15 and an electrical appliance 16 through a bolt, the outer wall of the circumference of the sliding rod 9 is fixed with an electrode pressing plate 11 through a bolt, the test connection plate 8, the electrode pressing plate 11, the resistor box 14, the charge and discharge test assembly 15 and the electrical appliance 16 are all electrically connected, the adjusting frame 5 can enable the test connection plate 8 to ascend in the ascending process through the connecting rod 10, so that the lithium battery main body 12 placed on the test connection plate 8 is connected with the electrode pressing plate 11 in the ascending process, and the test connection plate 8, the electrode pressing plate 11, Lithium cell main part 12, resistance box 14, charge and discharge test subassembly 15 and form closed circuit with between 16 electrical apparatus, can adjust loop resistance through being provided with resistance box 14, avoid the electric current too big safety problem that leads to appearing, can test the charge and discharge of lithium cell main part 12 through being provided with charge and discharge test subassembly 15.
The working principle is as follows: in the process of carrying out charging and discharging tests on the lithium battery main body 12, firstly, the lithium battery main body 12 is placed on the outer wall of the top part of the test connecting plate 8, then the electric telescopic rod 4 is controlled, so that the output end of the electric telescopic rod 4 controls the adjusting frame 5 to move upwards, so that the two sliding seats 7 slide relatively, the arc-shaped plate 17 is used for clamping and fixing the circumferential outer wall of the lithium battery main body 12, meanwhile, with the continuous upward movement of the adjusting bracket 5, the test connecting plate 8 gradually moves upward until the top of the lithium battery main body 12 is jointed with the electrode pressing plate 11, thereby forming a closed loop among the test connecting plate 8, the electrode pressing plate 11, the lithium battery main body 12, the resistance box 14, the charge and discharge test assembly 15 and the electrical appliance 16, through adjusting the resistance to resistance box 14, guarantee the safety of test, can show each item data of test through charge-discharge test subassembly 15.
Example 2:
a safety testing device for charging and discharging of lithium battery is disclosed, as shown in FIG. 1-2, in order to ensure the safety when the lithium battery main body 12 is lifted; this example is supplemented by example 1 with the following: the embedding of arc 17 cambered surface inner wall has hollow section of thick bamboo 18, hollow section of thick bamboo 18 inner wall rotates and is connected with universal ball 22, can guarantee to carry out the centre gripping fixed back to lithium cell main part 12 circumference outer wall when arc 17 through being provided with universal ball 22, make lithium cell main part 12 can continue to shift up under universal ball 22's rolling effect, thereby make lithium cell main part 12 top can join with electrode clamp plate 11 bottom, can guarantee through being provided with spring 20 that arc 17 can carry out the centre gripping fixed to the lithium cell main part 12 of different external diameters, can utilize spring 20's elasticity to protect lithium cell main part 12 simultaneously, the pressure of avoiding arc 17 centre gripping is too big to produce the damage to lithium cell main part 12.
This embodiment can be so that after the arc 17 carries out the centre gripping to lithium cell main 12 circumference outer wall through being provided with universal ball 22 when using, makes at the in-process that lithium cell main 12 rises, and lithium cell main 12 circumference outer wall can roll along universal ball 22 sphere outer wall, thereby can guarantee that lithium cell main 12 can rise safely, thereby can guarantee that lithium cell main 12 top can with electrode clamp plate 11 between joint.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a lithium cell charge-discharge safety test device, includes base (1) and lithium cell main part (12), its characterized in that, base (1) top outer wall is provided with two mounting panel (2), two mounting panel (2) one side inner wall is provided with same slide bar (9), slide bar (9) circumference outer wall swing joint has two sliding seat (7), sliding seat (7) bottom outer wall is provided with return bend (13), return bend (13) one side outer wall is provided with backplate (21), backplate (21) one side outer wall swing joint has convex post (19), convex post (19) one side inner wall and backplate (21) one side outer wall joint have same spring (20), convex post (19) one side outer wall is provided with arc (17).
2. The lithium battery charging and discharging safety testing device according to claim 1, wherein a support (3) is arranged on the outer wall of the top of the base (1), an electric telescopic rod (4) is arranged on the inner wall of the top of the support (3), and an adjusting frame (5) is arranged at the output end of the electric telescopic rod (4).
3. The lithium battery charging and discharging safety testing device according to claim 2, wherein the inner wall of the adjusting frame (5) is movably connected with two connecting rods (6), and one ends of the two connecting rods (6) far away from the adjusting frame (5) are respectively movably connected with the inner walls of the two sliding seats (7).
4. The lithium battery charging and discharging safety testing device according to claim 3, wherein a connecting rod (10) is arranged on the outer wall of one side of the adjusting frame (5), and a testing connection plate (8) is arranged on the inner wall of the bottom of the connecting rod (10).
5. The lithium battery charging and discharging safety testing device according to claim 4, wherein the outer wall of the top of the base (1) is provided with a resistance box (14), a charging and discharging testing assembly (15) and an electrical appliance (16), and the outer wall of the circumference of the sliding rod (9) is provided with an electrode pressing plate (11).
6. The lithium battery charging and discharging safety testing device according to claim 5, wherein the testing connection plate (8), the electrode pressing plate (11), the resistance box (14), the charging and discharging testing component (15) and the electrical appliance (16) are electrically connected.
7. The lithium battery charging and discharging safety testing device as claimed in claim 6, wherein a hollow cylinder (18) is embedded in the inner wall of the arc surface of the arc plate (17).
8. The lithium battery charging and discharging safety testing device according to claim 7, wherein the inner wall of the hollow cylinder (18) is movably connected with a universal ball (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264127.2U CN216083028U (en) | 2021-09-18 | 2021-09-18 | Lithium battery charging and discharging safety testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264127.2U CN216083028U (en) | 2021-09-18 | 2021-09-18 | Lithium battery charging and discharging safety testing device |
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| Publication Number | Publication Date |
|---|---|
| CN216083028U true CN216083028U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122264127.2U Active CN216083028U (en) | 2021-09-18 | 2021-09-18 | Lithium battery charging and discharging safety testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114629219A (en) * | 2022-05-17 | 2022-06-14 | 深圳市华宇新能源科技有限公司 | Automatic charging equipment for lithium battery |
| CN115890318A (en) * | 2023-02-28 | 2023-04-04 | 南通国盛机床部件有限公司 | Circular workpiece feeding device convenient for controlling feeding amount and used for numerical control machine tool |
-
2021
- 2021-09-18 CN CN202122264127.2U patent/CN216083028U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114629219A (en) * | 2022-05-17 | 2022-06-14 | 深圳市华宇新能源科技有限公司 | Automatic charging equipment for lithium battery |
| CN115890318A (en) * | 2023-02-28 | 2023-04-04 | 南通国盛机床部件有限公司 | Circular workpiece feeding device convenient for controlling feeding amount and used for numerical control machine tool |
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