CN215507891U

CN215507891U - Lithium battery capacity grading device

Info

Publication number: CN215507891U
Application number: CN202122006408.8U
Authority: CN
Inventors: 苏向; 江帆; 张�浩; 刘冉
Original assignee: Hubei Zhongbang New Energy Co ltd
Current assignee: Hubei Zhongbang New Energy Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-14
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a lithium battery capacity grading device and relates to the technical field of lithium batteries. The device includes the operation panel, and one side bottom fixed mounting of operation panel has the bottom plate, and sliding connection has the regulating plate between two sets of slide rails, and one side of bottom plate and regulating plate is equipped with the probe, is equipped with the lithium cell between the multiunit thermal insulation board. This lithium cell partial volume device is when using, through rotating the dwang, make the cable wire length of winding at the dwang surface change, and then drive the regulating plate and remove along the slide rail, make regulating plate sub-surface mounting's probe offset with the one end of lithium cell, and then charge the lithium cell, make when facing the multiunit lithium cell, can test simultaneously, reduce the inconvenience of artifical pressfitting one by one in the traditional mode, also satisfy and test different model lithium cells.

Description

Lithium battery capacity grading device

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery capacity grading device.

Background

Along with the great trend of green and environment-friendly energy application, a large-capacity power storage battery gradually forms the main force of a power supply, and is gradually the first choice of the future market application of the power energy due to the characteristics of no secondary pollution, no memory effect and the like, the quality of the lithium battery is not only related to the material, but also good manufacturing process and advanced equipment are crucial influence factors, particularly the consistency and the performance precision of the chemical and capacitance grading process, relate to the activation grading combination pairing of the battery, and are one of important processes in the whole battery production process.

The capacity grading is that the batteries are circularly charged and discharged through corresponding process conditions after formation, capacity parameter indexes of the tested and sorted batteries are classified according to different parameter levels, particularly, the power batteries require high-rate charging and discharging, in order to guarantee the quality of the batteries, a plurality of batteries are placed in a capacity grading test cabinet for charging and discharging tests during capacity grading, single batteries are manually placed and taken, and the batteries are connected with positive and negative poles through rapid clamping, so that the formation and the capacity grading are started.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model discloses a lithium battery capacity grading device to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a lithium battery capacity grading device comprising:

the device comprises an operating platform, a bottom plate is fixedly installed at the bottom end of one side of the operating platform, slide rails are assembled on one side of the operating platform, an adjusting plate is connected between two groups of the slide rails in a sliding mode, a heat insulation plate is fixedly installed on one side of the bottom plate, probes are assembled on one sides of the bottom plate and the adjusting plate, and lithium batteries are assembled among a plurality of groups of the heat insulation plates;

control mechanism, control mechanism installs the inside at the bottom plate, control mechanism includes dwang and cable wire, the inside of bottom plate is rotated and is connected with the dwang, the surface winding of dwang has the cable wire, the one end fixed mounting of cable wire is in one side of regulating plate.

Preferably, the equal fixed mounting in both sides of regulating plate has the lug, lug sliding connection is in the inside of slide rail, one side fixed mounting of lug has the inserted bar.

Preferably, a connecting cylinder is fixedly mounted at the inner top of the sliding rail, a first spring is assembled inside the connecting cylinder, and the inserted link is movably inserted into the connecting cylinder.

Preferably, control mechanism still includes stopper and gear, stopper and gear are all fixed the surface of cup jointing at the dwang, the winding has the cable wire between stopper and the gear, the other end fixed mounting of cable wire is in the inside of lug.

Preferably, a connecting groove is formed in one side of the bottom plate, a pull rod is connected to the inside of the connecting groove in a sliding mode, and a triangular block is fixedly installed at the bottom end of the pull rod.

Preferably, the triangular block is located inside the bottom plate, the second spring is movably sleeved on the outer surface of the pull rod, and one end of the triangular block is movably inserted into the gear.

Preferably, one end of the second spring is fixedly installed at one side of the triangular block, and the other end of the second spring is fixedly installed at the inner top of the connecting groove.

The utility model discloses a lithium battery capacity grading device, which has the following beneficial effects:

1. this lithium cell partial volume device is when using, through rotating the dwang, make the cable wire length of winding at the dwang surface change, and then drive the regulating plate and remove along the slide rail, make regulating plate sub-surface mounting's probe offset with the one end of lithium cell, and then charge the lithium cell, make when facing the multiunit lithium cell, can test simultaneously, reduce the inconvenience of artifical pressfitting one by one in the traditional mode, also satisfy and test different model lithium cells.

2. This lithium cell partial volume device is when using, through at bottom plate one side installation multiunit insulation board for when placing multiunit lithium cell and carrying out the charge-discharge test on the operation panel, the temperature that multiunit lithium cell used the production can not influence each other, reduces the tradition and directly places the temperature that causes together long-pending stay, causes the damage to the lithium cell, and then produces the influence to the partial volume test of lithium cell, can not satisfy the user demand.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an adjusting plate according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of a control mechanism of the present invention;

FIG. 5 is a schematic view of a triangular block structure according to the present invention.

In the figure: 1. an operation table; 2. a base plate; 201. connecting grooves; 3. a slide rail; 4. an adjusting plate; 5. a thermal insulation plate; 6. a lithium battery; 7. a probe; 8. a bump; 801. inserting a rod; 802. a connecting cylinder; 803. a first spring; 9. a control mechanism; 901. rotating the rod; 902. a steel cord; 903. a limiting block; 904. a gear; 10. a pull rod; 11. a second spring; 12. and (5) a triangular block.

Detailed Description

The embodiment of the utility model discloses a lithium battery capacity grading device, as shown in figures 1-5, comprising:

according to shown in the attached figures 1-2, operation panel 1, one side bottom fixed mounting of operation panel 1 has bottom plate 2, one side of operation panel 1 is equipped with slide rail 3, sliding connection has regulating plate 4 between two sets of slide rail 3, one side fixed mounting of bottom plate 2 has thermal insulation board 5, one side of bottom plate 2 and regulating plate 4 is equipped with probe 7, be equipped with lithium cell 6 between the multiunit thermal insulation board 5, effect through multiunit thermal insulation board 5, make the heat degree that produces between the multiunit lithium cell 6 not to influencing each other, reduce the harm to lithium cell 6.

According to shown in the accompanying drawings 2-4, the equal fixed mounting in both sides of regulating plate 4 has lug 8, lug 8 sliding connection is in the inside of slide rail 3, one side fixed mounting of lug 8 has inserted bar 801, slide rail 3's interior top fixed mounting has connecting cylinder 802, the inside of connecting cylinder 802 is equipped with first spring 803, the inside at connecting cylinder 802 is pegged graft in the activity of inserted bar 801, through the effect of first spring 803, after the test of lithium cell 6 is accomplished, the regulating plate 4 keeps away from the one end of lithium cell 6 under the effect of first spring 803, conveniently take out lithium cell 6.

According to fig. 4, control mechanism 9 installs in the inside of bottom plate 2, control mechanism 9 includes dwang 901 and cable wire 902, the inside of bottom plate 2 is rotated and is connected with dwang 901, the surface winding of dwang 901 has cable wire 902, the one end fixed mounting of cable wire 902 is in one side of regulating plate 4, control mechanism 9 still includes stopper 903 and gear 904, stopper 903 and gear 904 are all fixed to be cup jointed at the surface of dwang 901, the winding has cable wire 902 between stopper 903 and the gear 904, the other end fixed mounting of cable wire 902 is in the inside of lug 8, effect through cable wire 902, make the position to regulating plate 4 adjust, in order to satisfy the demand of the 6 assemblies of different model lithium batteries.

According to fig. 5, connecting groove 201 has been seted up to one side of bottom plate 2, the inside sliding connection of connecting groove 201 has pull rod 10, the bottom fixed mounting of pull rod 10 has three hornblocks 12, three hornblocks 12 are located bottom plate 2's inside, second spring 11 has been cup jointed in pull rod 10's surface activity, the inside at gear 904 is pegged graft in three hornblocks's 12 one end activities, the one end fixed mounting of second spring 11 is in three hornblocks 12's one side, the other end fixed mounting of second spring 11 is at the interior top of connecting groove 201, through the effect of three hornblocks 12 each second springs 11, fix the position of regulating plate 4 after the regulation, make things convenient for lithium cell 6 to carry out the test of charging for a long time.

The working principle is as follows:

this lithium cell 6 partial volume device is when using, at first places multiunit lithium cell 6 between the multiunit thermal insulation board 5 of bottom plate 2 one side installation, and multiunit lithium cell 6's one end contacts with a set of probe 7, and regulating plate 4 is located the one end that is close to slide rail 3 top this moment, and slide rail 3 top internally mounted's first spring 803 is in compression state.

Further, the rotating lever 901 of the side of the base plate 2 is rotated so that the length of the wire 902 wound around the outer surface of the rotating lever 901 is gradually shortened, and the wire 902 is wound between the stopper 903 and the gear 904 due to the stopper function of the stopper 903 and the gear 904.

Further, the length of the steel cable 902 is gradually shortened, so that the adjusting plate 4 moves along the sliding rail 3 along with the protrusion 8 on one side of the adjusting plate, another group of probes 7 mounted on the lower surface of the adjusting plate 4 gradually abut against one end of the upper portion of the lithium battery 6, the lithium battery 6 is charged, and the pressure action of the inserting rod 801 at one end of the adjusting plate 4 on the first spring 803 is reduced, so that the first spring 803 is in an extension state.

Further, when another group of probes 7 of adjusting plate 4 under surface mounting offset with the upper portion one end of lithium cell 6, owing to the effect of blockking of the right angle face of triangle block 12 this moment for gear 904 is in fixed state, and then makes adjusting plate 4 fixed mounting in one side of lithium cell 6.

Finally, after carrying out the partial volume to lithium cell 6, pulling pull rod 10 this moment for pull rod 10 drives three hornblocks 12 and the separation of gear 904, makes dwang 901 be in the active state, and then makes regulating plate 4 pull regulating plate 4 and resume to the normal position under the spring action of first spring 803, makes the one end separation of a set of probe 7 and lithium cell 6, makes things convenient for once only to separate lithium cell 6 and the separation of partial volume device, and is easy and simple to handle.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A lithium battery capacity grading device is characterized by comprising:

the device comprises an operating platform (1), wherein a bottom plate (2) is fixedly installed at the bottom end of one side of the operating platform (1), slide rails (3) are assembled on one side of the operating platform (1), an adjusting plate (4) is connected between two groups of the slide rails (3) in a sliding mode, a heat insulation plate (5) is fixedly installed on one side of the bottom plate (2), probes (7) are assembled on one sides of the bottom plate (2) and the adjusting plate (4), and lithium batteries (6) are assembled between multiple groups of the heat insulation plates (5);

the steel cable adjusting device comprises a control mechanism (9), wherein the control mechanism (9) is installed inside a bottom plate (2), the control mechanism (9) comprises a rotating rod (901) and a steel cable (902), the rotating rod (901) is rotatably connected inside the bottom plate (2), the steel cable (902) is wound on the outer surface of the rotating rod (901), and one end of the steel cable (902) is fixedly installed on one side of an adjusting plate (4).

2. The lithium battery capacity grading device according to claim 1, wherein: the equal fixed mounting in both sides of regulating plate (4) has lug (8), lug (8) sliding connection is in the inside of slide rail (3), one side fixed mounting of lug (8) has inserted bar (801).

3. The lithium battery capacity grading device according to claim 2, wherein: the inner top of the sliding rail (3) is fixedly provided with a connecting cylinder (802), a first spring (803) is assembled inside the connecting cylinder (802), and the inserted link (801) is movably inserted into the connecting cylinder (802).

4. The lithium battery capacity grading device according to claim 1, wherein: the control mechanism (9) further comprises a limiting block (903) and a gear (904), the limiting block (903) and the gear (904) are fixedly sleeved on the outer surface of the rotating rod (901), a steel cable (902) is wound between the limiting block (903) and the gear (904), and the other end of the steel cable (902) is fixedly installed inside the bump (8).

5. The lithium battery capacity grading device according to claim 1, wherein: connecting groove (201) have been seted up to one side of bottom plate (2), the inside sliding connection of connecting groove (201) has pull rod (10), the bottom fixed mounting of pull rod (10) has three hornblocks (12).

6. The lithium battery capacity grading device according to claim 5, wherein: the triangular block (12) is positioned in the bottom plate (2), the second spring (11) is movably sleeved on the outer surface of the pull rod (10), and one end of the triangular block (12) is movably inserted in the gear (904).

7. The lithium battery capacity grading device according to claim 6, wherein: one end of the second spring (11) is fixedly arranged on one side of the triangular block (12), and the other end of the second spring (11) is fixedly arranged on the inner top of the connecting groove (201).