CN220773100U - Linkage type acquisition module for contact sampling near-end conduction - Google Patents

Abstract

The utility model provides a linkage type acquisition module for conducting a contact sampling near end, which comprises a main body frame, an acquisition module arranged on the inner side of the main body frame, a probe module arranged on the outer side of the main body frame and a driving module arranged on one side of the acquisition module, wherein when a battery to be tested is positioned at a test position, the probe module contacts with a pole column position of the battery to be tested and acquires an electric signal; the utility model reduces the cost and the occupied area of the lithium battery formation component equipment and ensures the charge and discharge efficiency and reliability.

Description

Linkage type acquisition module for contact sampling near-end conduction

Technical Field

The utility model relates to the field of lithium battery production equipment, in particular to a linkage type acquisition module for contact sampling near-end conduction.

Background

In the production of lithium batteries, formation and capacity-division testing are extremely important procedures in the manufacturing process, the formation and capacity-division testing are all carried out on the lithium batteries through charge and discharge testing equipment, and most of traditional charge and discharge testing equipment is usually formed by connecting two parts of a power supply driving side (mainly composed of an acquisition module and a driving module) and a clamp mechanism side (mainly composed of a moving mechanism and an electric connection module) through a pair of wiring cables, or an independent two-set frame layout mode is adopted, or a set of frame layout modes with different left-right arrangement, front-back arrangement, up-down arrangement and the like are adopted, and the following problems cannot be avoided no matter any layout mode in the two modes is adopted:

(1) the overlong cable has higher manufacturing cost and larger pressure loss, and greatly influences the charging and discharging efficiency and reliability;

(2) the excessive parts not only have complicated process procedures, but also greatly influence the operation efficiency of people, machines, materials, methods, rings and tests.

Disclosure of Invention

The utility model aims to provide a linkage type acquisition module which reduces the cost and the occupied area of lithium battery formation component equipment and ensures the charge and discharge efficiency and the reliability of the contact sampling near-end conduction.

In order to solve the technical problems, the utility model provides a linkage type acquisition module for conducting a contact sampling near end, which comprises a main body frame, an acquisition module arranged on the inner side of the main body frame, a probe module arranged on the outer side of the main body frame, and a driving module arranged on one side of the acquisition module.

Further, the acquisition module comprises an acquisition main board and an expansion daughter board arranged on the acquisition main board, and a first functional interface, a second functional interface and a third functional interface are distributed on the acquisition main board, wherein the second functional interface is connected with the driving module through a second wire harness.

Further, the device also comprises a confluence module, and the third functional interface is connected with the confluence module.

Further, the probe module comprises a probe mounting seat arranged on the main body frame, and a temperature probe, a negative electrode current probe, a positive electrode voltage probe and a negative electrode voltage probe are sequentially arranged on the probe mounting seat, wherein one side of the probe mounting seat is connected to the first functional interface through a first wire harness.

Further, the driving module comprises a driving plate arranged on one side of the acquisition module, and a fourth functional interface and a fifth functional interface are arranged on the driving plate, wherein the fourth functional interface is connected to a second functional interface in the acquisition module through a second wire harness.

Further, a heat dissipation module is arranged on the collecting main board.

Further, the bus module comprises a bus bar negative electrode, a bus bar positive electrode and a peeping port terminal which are arranged on one side of the main body frame, and the first insulating block and the second insulating block are oppositely arranged on the main body frame, so that the first insulating block and the second insulating block limit the bus bar negative electrode, the bus bar positive electrode and the peeping port terminal.

Further, the main body frame is internally provided with a supporting module, the supporting module comprises a first supporting plate and a second supporting plate, the first supporting plate is used for supporting the driving module, the second supporting plate is used for supporting the collecting module, and the first supporting plate and the second supporting plate are connected onto the main body frame through supporting columns.

The utility model has the beneficial effects that:

1. the acquisition module, the probe module and the driving module are integrated into the unified main body frame, so that the circuit connection formation and the occupied area are reduced, the high limit cost and the large pressure loss caused by an overlength cable are effectively avoided, and the charging and discharging efficiency and reliability are ensured;

2. the acquisition module is connected with the probe module through the first wire bundle, so that the conventional long-distance circuit is not needed, and the problem of pressure loss of long-distance conveying caused by the internal resistance of the cable is solved;

3. the same driving plate can simultaneously correspond to a plurality of acquisition modules, so that the occupied area is further reduced;

4. the radiator can effectively reduce the temperature of the acquisition module, and the phenomenon that the temperature is too high due to the fact that a plurality of acquisition modules are stacked is avoided.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the backside structure of the present utility model.

Fig. 3 is a schematic diagram of an acquisition module of the present utility model.

Fig. 4 is a schematic diagram of a drive module of the present utility model.

Fig. 5 is a schematic view of a heat dissipating module according to the present utility model.

Fig. 6 is a cross-sectional view of the present utility model taken along line A-A of fig. 5.

Reference numerals: the main body frame 1, the top plate 11, the bottom plate 12, the rear plate 13, the front plate 14, the left side plate 15, the right side plate 16, the handle 17, the positioning pin 18, the sampling module 2, the acquisition main board 21, the expansion sub-board 22, the first function interface 23, the second function interface 24, the third function interface 25, the second wiring harness 26, the probe module 3, the temperature probe 31, the negative current probe 32, the positive current probe 33, the positive voltage probe 34, the probe mount 35, the negative voltage probe 36, the first wiring harness 37, the driving module 4, the driving plate 41, the fourth function interface 42, the fifth function interface 43, the heat dissipation module 5, the switching module 6, the bus module 7, the bus bar negative 71, the bus bar positive 72, the peep hole terminal 73, the first insulating block 74, the second insulating block 75, the supporting module 8, the first supporting plate 81, the second supporting plate 82, and the supporting column 83.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

As shown in fig. 1-6, the utility model provides a linkage type acquisition module for contact sampling proximal conduction, which comprises a main body frame 1, an acquisition module arranged on the inner side of the main body frame 1, a probe module 3 arranged on the outer side of the main body frame 1, and a driving module 4 arranged on one side of the acquisition module, wherein when a battery to be tested is positioned at a test position, the probe module 3 contacts with a pole position of the battery to be tested and acquires an electric signal.

The linkage type acquisition module for the conduction of the contact sampling near end comprises a main body frame 1, an acquisition module, a probe module 3, a driving module 4, a heat dissipation module 5, a switching module 6, a converging module 7 and a supporting module 8.

In an embodiment of the present disclosure, the main body frame 1 is formed by connecting a top plate 11, a bottom plate 12, a rear plate 13, a front plate 14, a left side plate 15, a right side plate 16, a handle and a positioning pin 18, wherein the top plate 11 is used for installing an electricity taking module, a certain number of ventilation slots are formed in the top plate 11, the bottom plate 12, the left side plate 15 and the right side plate 16 for heat dissipation and convection, and the positioning pin 18 can cooperate with the bottom plate 12 to limit the degree of freedom of the collection module.

It should be noted that the chemical component of the probe module to the electrode post of the battery to be tested is the prior art, and is not described in detail herein.

Preferably, the collecting module comprises a collecting main board 21 and an expansion daughter board 22 arranged on the collecting main board 21, and a first functional interface 23, a second functional interface 24 and a third functional interface 25 are distributed on the collecting main board 21, wherein the second functional interface 24 is connected with the driving module 4 through a second wire harness 26.

Specifically, the first functional interface 23 is connected to the probe module 3 through the first wire harness 37, the length of the first wire harness 37 is preferably no more than 100 mm, the proximal conductive link is far shorter than a butt-joint cable (often between 1500-6000 mm) between the traditional power driving side and the clamp mechanism side, the problem of pressure loss caused by long-distance transmission due to the internal resistance of the cable can be greatly improved, the stability and reliability of the system are improved, and the charge and discharge efficiency of the equipment is improved; the second functional interface 24 is connected to the driving module 4 through a second wire harness 26; the third functional interface 25 is connected to the busbar module 7.

The linkage type collection module for the conduction of the contact sampling near end further comprises a confluence module 7, and the third functional interface 25 is connected to the confluence module 7.

Preferably, the probe module 3 includes a probe mounting seat 35 provided on the main body frame 1, and a temperature probe 31, a cathode current probe 32, an anode current probe 33, an anode voltage probe 34, and a cathode voltage probe 36 are sequentially provided on the probe mounting seat 35, wherein one side of the probe mounting seat 35 is connected to the first functional interface 23 through a first wire harness 37.

Specifically, positive and negative electrode voltage and current probes can be in press fit contact with a pole of a large cylindrical battery to obtain an electric signal, temperature probes 31 can collect real-time temperature of the end face of the battery and feed the real-time temperature back to the system, the diameter of the large cylindrical battery can be 40-60 mm, and the diameter of the large cylindrical battery which is preferable for the collection module is 46 mm, namely a 46-series cylindrical battery.

Preferably, the driving module 4 comprises a driving board 41 arranged at one side of the collecting module, and a fourth functional interface 42 and a fifth functional interface 43 are arranged on the driving board 41, wherein the fourth functional interface 42 is connected to the second functional interface 24 in the collecting module through the second wire harness 26.

Specifically, the fourth functional interface 42 is connected to the collection modules through the second wire harness 26, and the driving board 41 may correspond to a plurality of collection modules, and the number of collection modules may be 1-20.

Preferably, the collecting main board 21 is provided with a heat dissipation module 5, the heat dissipation module 5 is a radiator, and an air duct structure is arranged, so that the heat dissipation effect is better.

Preferably, the busbar module 7 includes a busbar negative 71, a busbar positive 72 and a peep hole terminal 73 disposed on one side of the main body frame 1, and the first insulating block 74 and the second insulating block 75 are disposed on the main body frame 1 opposite to each other, so that the first insulating block 74 and the second insulating block 75 limit the busbar negative 71, the busbar positive 72 and the peep hole terminal 73.

Specifically, the first insulating block 74 and the second insulating block 75 are both in a "C" structure, so that when the first insulating block 74 and the second insulating block 75 are disposed opposite to each other, the busbar negative 71, the busbar positive 72 and the peep hole terminal 73 are limited therebetween, and insulation and limiting effects are provided.

Preferably, the main body frame 1 is internally provided with a support module 8, the support module 8 comprises a first support plate 81 and a second support plate 82, the first support plate 81 is used for supporting the driving module 4, the second support plate 82 is used for supporting the collecting module, and the first support plate 81 and the second support plate 82 are connected to the main body frame 1 through support columns 83.

Specifically, the number of the support columns 83 can be 4-10, and the preferred number in the acquisition module is 6. The support module 8 is designed in a double-side stacking way, is convenient to assemble and maintain, can be used for fixing a circuit board, can also be used for supporting strength, and prevents large-scale deformation of a working state.

The present utility model is not limited to the above-described preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model, however, any change in shape or structure of the product is within the scope of the present utility model, and all the products having the same or similar technical solutions as the present application are included.

Claims (8)

1. The utility model provides a contact sampling near-end conduction's linkage collection module, its characterized in that: the device comprises a main body frame, an acquisition module arranged on the inner side of the main body frame, a probe module arranged on the outer side of the main body frame, and a driving module arranged on one side of the acquisition module, wherein when a battery to be tested is positioned at a test position, the probe module contacts with a pole position of the battery to be tested and acquires an electric signal.

2. The contact sampling proximal conduction linked collection module of claim 1, wherein: the acquisition module comprises an acquisition main board and an expansion daughter board arranged on the acquisition main board, wherein a first functional interface, a second functional interface and a third functional interface are distributed on the acquisition main board, and the second functional interface is connected with the driving module through a second wire harness.

3. The contact sampling proximal conduction linked collection module of claim 2, wherein: the system also comprises a confluence module, and a third functional interface is connected to the confluence module.

4. The contact sampling proximal conduction linked collection module of claim 2, wherein: the probe module comprises a probe mounting seat arranged on the main body frame, and a temperature probe, a negative electrode current probe, a positive electrode voltage probe and a negative electrode voltage probe are sequentially arranged on the probe mounting seat, wherein one side of the probe mounting seat is connected to a first functional interface through a first wire harness.

5. The contact sampling proximal conduction linked collection module of claim 2, wherein: the driving module comprises a driving plate arranged on one side of the acquisition module, and a fourth functional interface and a fifth functional interface are arranged on the driving plate, wherein the fourth functional interface is connected to a second functional interface in the acquisition module through a second wire harness.

6. The contact sampling proximal conduction linked collection module of claim 2, wherein: and a heat dissipation module is arranged on the acquisition main board.

7. The contact sampling proximal conduction linked collection module of claim 1, wherein: the bus module comprises a bus bar negative terminal, a bus bar positive terminal and a peeping port terminal which are arranged on one side of the main body frame, and the first insulating block and the second insulating block are oppositely arranged on the main body frame, so that the first insulating block and the second insulating block limit the bus bar negative terminal, the bus bar positive terminal and the peeping port terminal.

8. The contact sampling proximal conduction linked collection module of claim 1, wherein: the main body frame is built-in with a support module, the support module comprises a first support plate and a second support plate, the first support plate is used for supporting the driving module, the second support plate is used for supporting the acquisition module, and the first support plate and the second support plate are connected to the main body frame through support columns.