CN207866544U - Battery thin film sampler - Google Patents

Abstract

The utility model provides a kind of battery thin film sampler, including panel, multiple film support axis, panel supporting frame, bearing and motor；Wherein, panel includes opposite first surface and second surface, multiple film support axle positions are in the first surface of panel, and multiple film support axis are around the center uniform intervals arrangement of panel, panel supporting frame extends to the side of the second surface of panel from below panel, and is connected with the second surface of panel；Bearing one end is connected with panel, and the other end extends to side of the panel supporting frame far from panel, and motor is connected with side of the bearing far from panel.It can be realized using the battery thin film sampler of the utility model and physicochemical property test is carried out to the battery thin film of required position, test and sample rate can effectively be improved, it can ensure the accuracy of sample position simultaneously, be convenient for data analysis, avoid that the battery thin film of sampling is caused to damage.

Description

Battery thin film sampler

Technical field

The utility model is related to lithium ion battery manufacturing fields, more particularly to a kind of battery thin film sampler.

Background technology

With a large amount of uses of the rapid development of electronic information industry, especially mobile phone and mobile tablet computer so that lithium The market demand of ion battery is increasing, and the rapid development of new-energy automobile industry then takes lithium ion battery industry to one A new developing stage.For the power for reaching required battery capacity to provide enough, generally needed in lithium ion battery use By multiple lithium ion battery tandem stacks, especially in terms of power vehicle, it is even up to thousands of or even up to ten thousand battery cores Connection in series-parallel, therefore it is very high to the coherence request of lithium ion battery.As soon as because when wherein there is a battery core to occur inconsistent, Apparent bucket effect can occur so that entire battery performance declines even failure and leads to not work normally.

The main material used in existing lithium ion battery manufacturing process includes positive and negative electrode material, diaphragm, Organic Electricity Solve liquid and battery case.Among these, diaphragm not only separates the positive and negative electrode of battery, prevent the two poles of the earth contact and it is short-circuit, in addition Also have the function of electrolyte ion capable of being made to pass through, therefore diaphragm is to the electrical property of lithium ion battery, security performance and cycle performance Equal traditional performances all influence very big.The consistency of diaphragm directly affects the consistency of lithium ion battery, therefore controls diaphragm Consistency is of crucial importance.

Because lithium ion battery separator is film material, therefore the general presence in the form of coiled material.To improve lithium ion battery Winding efficiency, general battery producer require membrane coil length reach 1000m or even 2000m or more.In addition, to ensure to survey The consistency of diaphragm is measured, battery producer also has the test request of reliability and consistency in certification diaphragm, that is, requires to certain Diaphragm in production batch is sampled test, and a physicochemical data is tested in generally 1m (or other are equidistant) length.It is existing Have in technology, generally in the physicochemical property test for carrying out diaphragm, such as can only when gas permeability, intensity, surface density, heat resistance test It measures, and is difficult to being tested positioned at the diaphragm in membrane coil centre position in the initiating terminal or clearing end of a roll of diaphragm. It is inconsistent using hand dipping easy test generation position spacing；And/or sampling is inconvenient, the testing time is long, or even because of craft Misoperation be easy to cause the problems such as diaphragm failures.

Utility model content

In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of samplings of battery thin film to fill It sets, for solving in the prior art, in the physicochemical property test for carrying out battery thin film, easy test generation position spacing differs It causes；And/or sampling is inconvenient, the testing time is long, or even the battery thin film damage etc. for be easy to causeing sampling because manual operations is improper Problem.

In order to achieve the above objects and other related objects, the utility model provides a kind of battery thin film sampler, described Battery thin film sampler includes panel, multiple film support axis, panel supporting frame, bearing and motor；Wherein, the panel packet Include opposite first surface and second surface, the multiple film support axle position is in the first surface of the panel, and multiple institutes Center uniform intervals arrangement of the film support axis around the panel is stated, the panel supporting frame is prolonged from below the panel The side of the second surface of the panel is extended to, and is connected with the second surface of the panel；Described bearing one end with it is described Panel is connected, and the other end extends to side of the panel supporting frame far from the panel, and the motor is remote with the bearing Side from the panel is connected.

Preferably, the surface shape of the panel includes round or polygon.

Preferably, the face plate center is provided with mounting hole, and the bearing is connected via the mounting hole with the panel It connects.

Preferably, the first surface of the length direction and the panel of multiple film support axis is perpendicular.

Preferably, the film support axis is 4, between 4 film support axis are uniform around the center of the panel Every being distributed on the panel.

Preferably, multiple sliding slots are additionally provided on the panel, the sliding slot is arranged in a one-to-one correspondence with the film support axis, The film support axis is fixed on one by one in the sliding slot, and can be moved in the sliding slot.

Preferably, the sliding slot is strip sliding slot, and multiple sliding slots radially divide in the first surface of the panel Cloth.

Preferably, the battery thin film sampler includes multiple bolts, second surface of the bolt from the panel It connects one to one with the corresponding film support axis of fixation with the film support axis.

Preferably, the battery thin film sampler further includes the film support for placing battery thin film roll to be sampled Frame, the thin film support frame are located at the first surface side of the panel and have certain distance with the panel.

Preferably, the battery thin film sampler includes number of turns measuring instrument, the number of turns measuring instrument and motor electricity Connection, the number of turns for measuring the panel rotation.

As described above, the battery thin film sampler of the utility model, has the advantages that：The electricity of the utility model Pond film sampling device has the structures such as film support axis and motor, thus utilizes the battery thin film sampler of the utility model When carrying out the physicochemical property test of battery thin film, battery thin film can be fixed on film support axis, face is driven by motor The rotation of plate is to realize that the battery thin film to required position carries out physicochemical property test, so as to effectively improve test and sampling Speed, while can ensure the accuracy of sample position, it is convenient for data analysis, and be also avoided that and caused to the battery thin film of sampling Damage.

Description of the drawings

Fig. 1 to Fig. 3 is shown as the schematic diagram of the battery thin film sampler in an example of the utility model, wherein Fig. 1 For front view, Fig. 2 is stereogram, and Fig. 3 is side view.

Fig. 4 is shown as the schematic diagram of the battery thin film sampler in another example of the utility model.

Fig. 5 and Fig. 6 is shown as the thin film support frame for being placed with battery thin film roll in the battery thin film sampler of Fig. 4 Schematic diagram, wherein Fig. 5 is front view, and Fig. 6 is stereogram.

Component label instructions

11 panels

12 film support axis

13 panel supporting frames

14 bearings

15 motors

16 mounting holes

17 thin film support frames

18 sliding slots

19 bolts

20 number of turns measuring instruments

21 battery thin film rolls

Specific implementation mode

Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below Content disclosed by specification understands other advantages and effect of the utility model easily.

It please refers to Fig.1 to Fig. 6.It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to Coordinate the revealed content of specification, so that those skilled in the art understands and reads, is not limited to the utility model Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model In the range of revealed technology contents can be covered.Meanwhile in this specification it is cited as "upper", "lower", " left side ", The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model Range, relativeness are altered or modified, and under the change of no substantial technological content, can implement when being also considered as the utility model Scope.

As shown in Figure 1 to Figure 3, the utility model provides a kind of battery thin film sampler, the battery thin film sampling dress It sets including panel 11, multiple film support axis 12, panel supporting frame 13, bearing 14 and motor 15；Wherein, the panel 11 includes Opposite first surface and second surface, the multiple film support axis 12 are located at the first surface of the panel 11, and multiple The film support axis 12 is around the center uniform intervals arrangement of the panel 11, and the panel supporting frame 13 is from the panel 11 Lower section extend to the panel 11 second surface side, and be connected with the second surface of the panel 11；The axis 14 one end are held with the panel 11 to be connected, the other end extends to side of the panel supporting frame 13 far from the panel 11, The motor 15 is connected with side of the bearing 14 far from the panel 11.

As an example, the surface shape of the panel 11 includes round or side shape, and certainly, the surface shape of the panel 11 Can also be other shapes, but the circle and polygon of preference rule is most preferably round, in favor of rotation, and meanwhile it is also sharp In being uniformly distributed for the film support axis 12.Material, thickness and the specific size of the panel 11 can be as needed Setting, for example can be the alloy materials such as stainless steel, can also be tempered glass, it might even be possible to be timber, but the panel 11 Entire weight should not be too big, be otherwise unfavorable for rotating, also should not be too light, otherwise easy to produce deflection when rotated, and described The surface of panel 11 needs smooth as possible and absolute cleaning must be kept to be polluted to prevent from generating test sample in test process. In terms of comprehensive, alloy material is one and preferably selects.

As an example, the panel supporting frame 13 can be a monoblock fixed plate, and the panel supporting frame 13 and ground The holder extended out from the bottom of the panel supporting frame 13 is preferably arranged in favor of fixation in one end of contact, it might even be possible to the bottom of at Sucker structure is arranged to reinforce fixing in portion, and the panel supporting frame 13 may be set to be hollow frame, not be limited specifically.

As an example, the panel 11 is provided centrally with mounting hole 16, the bearing 14 is via the mounting hole 16 and institute Panel 11 is stated to be connected.The specific installation site of certain bearing 14 can also have other selections, but select by being located at Stating the mode that the mounting hole 16 at the center of panel 11 is connected with the panel 11 can ensure the panel 11 follow-up Rotary course in not will produce deviation.

As an example, the first surface of the length direction of multiple film support axis 12 and the panel 11 it is perpendicular with It is easily installed setting and conducive to fixed test sample, is slided during the test to avoid test sample.

The particular number of the film support axis 12 can according to need depending on, for example be 2,3,4 even more, It is preferably 4 in the present embodiment, 4 film support axis 12 are evenly spaced on around the center of the panel 11 in described On panel 11, that is, ensure equal in order to calculating test sample per the spacing between two adjacent film support axis 12 Distance is sampled, for example, if being set as 1m per the sample length of sub-sampling, as long as that is by the two neighboring film support axis 12 Distance when being set as 25cm, test sample is just 1m around the distance of a circle on 4 film support axis 12.Certainly, The specific installation position of the film support axis 12 can also have other selections according to different needs, not be limited specifically.And Multiple film support axis 12 can be fixed on some position of the panel 11, may be set to be removable.This reality It applies in example, as an example, being provided with multiple sliding slots 18 on the panel 11, the sliding slot 18 and the film support axis 12 are one by one It is correspondingly arranged, the film support axis 12 is fixed on one by one in the sliding slot 18, and can be moved in the sliding slot 18, and shifting is passed through The film support axis 12 is moved, the distance between multiple described film support axis 12 can be adjusted with during the test can root According to it needs to be determined that test sample test sample position.The specific length of multiple sliding slots 18 can according to need depending on, but it is excellent It selects length all same in favor of metering, and can be arranged on the position for the both sides that 11 surface of the panel corresponds to the sliding slot 18 Scale mark, in the movement film support axis 12 be easier by multiple film support axis 12 be moved to away from it is described The identical position in center of panel 11.For ease of the movement of the film support axis 12, as an example, the sliding slot 18 is preferably Strip sliding slot, multiple sliding slots 18 are radially distributed in the first surface of the panel 11.

As an example, the battery thin film sampler includes multiple bolts 19, the bolt 19 is from the panel 11 Second surface and the film support axis 12 connect one to one with the corresponding film support axis 12 of fixation, certainly, described Film support axis 12 can also be fixed otherwise, for example similar to the mode of bolt, not be limited specifically.

As shown in figure 4, in another example, the battery thin film sampler further includes for placing test to be sampled The thin film support frame 17 of sample, for example battery thin film roll 21 to be sampled is placed, the thin film support frame 17 is located at the panel 11 first surface side and with the panel 11 have certain distance.For ease of sampling, when specifically used, it is placed on described The battery thin film roll 21 in thin film support frame 17 is preferably parallel with the film support axis 12 and in same horizontal line, Certainly, when not in use, the thin film support frame 17 can be individually placed as needed.The specific shape of the thin film support frame 17 Shape can be set as needed, for example, as shown in Figures 5 and 6, can be the holder for including a hook, need to battery When Film sampling is tested, the thin film support frame 17, which is positioned over the first surface apart from the panel 11, the position of certain distance It sets, can start sampling and testing after the suspension of battery thin film roll 21 to be sampled is fixed on hook above.

As an example, the battery thin film sampler can also include number of turns measuring instrument 20, the number of turns measuring instrument 20 It is electrically connected with the motor 15, the number of turns for measuring the rotation of the panel 11, so as to accurately learn the position of test sampling It sets, once finding test sample there are can do accurate record when problem, while can also the number of turns knot that finally measures of basis Fruit learns the length of entire volume film.Specifically, the number of turns measuring instrument 20 can be fixed on the second surface of the panel 11, i.e., It is located at same surface with the motor 15, in the case where determining that sampling film revolves the distance to turn around, multiplies with the number of turns of rotation Product is the length of sampling.

To keep the technical solution of the utility model and advantage clearer, with reference in the embodiments of the present invention The application method of the battery thin film sampler of 1 to 6 pair of the utility model of attached drawing carries out the description of complete display：

1, first by adjusting the diaphragm support axis 12 in the position of the panel 11 to confirm the distance of a circle, pass through The number of turns that the motor 15 confirms rotation is adjusted, the length that the product of the number of turns and distance is as once tested is being provided with certainly In the case of the number of turns measuring instrument 20, the number of turns measuring instrument 20 can carry out the record of rotating cycle automatically；

2, manually by the battery thin film roll 21 in the thin film support frame 17 of 11 side of the panel by transparent It is glued on one of described panel 11 film support axis 12；

3, it controls the panel 11 by the motor 15 to rotate, the battery thin film roll volume 21 is in multiple film branch It supports on axis 12, reaching needs a length to be tested；

4, test equipment, such as the sampling equipments such as test equipments or perforating press such as thickness, needle intensity, ventilative are positioned over institute It is tested or is sampled in some region stated between thin film support frame 17 and the first surface of the panel 11；

5, after completing test or sampling, start the motor 15, the operation of repeating said steps 3 and 4, until a roll of battery The test of film roll is fully completed, and the battery thin film roll newly rolled up is placed again after removing the battery thin film roll that test is completed, and is repeated Aforesaid operations are completed until being fully completed test or sampling.

It should be noted that foregoing description only schematically introduces the battery thin film sampler of the utility model wherein A kind of usage, it is specific to have other adjustment according to need using with test process.For example, the battery thin film roll 21 is not It is only limitted to be placed in the thin film support frame 17 described in the present embodiment, can also be positioned over other being capable of fixed position It sets, the position of test equipment is also not necessarily limited to some area between 11 first surface of the thin film support frame 17 and the panel Domain, it is possibility to have the distance of other selections, single sampling can also be adjusted according to need, such as by adjusting multiple described thin The position of film support shaft 12 and/or the rotating cycle for adjusting the motor 15 determine specific sample position, or even in test Without starting the motor 15 when measuring few, the sampling to required position can be realized by panel described in manual rotation 11 and survey Examination.Certainly, the battery thin film sampler is also not limited to the sampling to battery thin film, in coiled material shape that need to be similar to other The present apparatus can also be used when the material sampling of shape.

In conclusion battery thin film sampler provided by the utility model, including panel, multiple film support axis, face Plate bracing frame, bearing and motor；Wherein, the panel includes opposite first surface and second surface, the multiple film branch Axle position is supportted in the first surface of the panel, and multiple film support axis are around the center uniform intervals row of the panel Cloth, the panel supporting frame extend to the side of the second surface of the panel from below the panel, and with the panel Second surface be connected；Described bearing one end is connected with the panel, and it is separate that the other end extends to the panel supporting frame The side of the panel, the motor are connected with side of the bearing far from the panel.Utilize the electricity of the utility model When pond film sampling device carries out the physicochemical property test of battery thin film, battery thin film can be fixed on film support axis, The rotation of panel is driven by motor to realize that the battery thin film to required position carries out physicochemical property test, so as to effective Test and sample rate are improved, while can ensure the accuracy of sample position, is convenient for data analysis, is avoided that the electricity to test Pond film causes to damage.So the utility model effectively overcomes various shortcoming in the prior art and has high industrial utilization Value.

The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.

Claims (10)

1. a kind of battery thin film sampler, which is characterized in that including：

Panel, including opposite first surface and second surface；

Multiple film support axis are located at the first surface of the panel, and multiple film support axis are around the panel Center uniform intervals arrangement；

Panel supporting frame, extends to the side of the second surface of the panel from below the panel, and with the panel Second surface is connected；

Bearing, one end are connected with the panel, and the other end extends to side of the panel supporting frame far from the panel；

Motor is connected with side of the bearing far from the panel.

2. battery thin film sampler according to claim 1, it is characterised in that：The surface shape of the panel includes circle Shape or polygon.

3. battery thin film sampler according to claim 1, it is characterised in that：The face plate center is provided with installation Hole, the bearing are connected via the mounting hole with the panel.

4. battery thin film sampler according to claim 1, it is characterised in that：The length of multiple film support axis Direction and the first surface of the panel are perpendicular.

5. battery thin film sampler according to claim 1, it is characterised in that：The film support axis is 4,4 The film support axis is evenly spaced on around the center of the panel on the panel.

6. battery thin film sampler according to claim 1, it is characterised in that：Multiple cunnings are additionally provided on the panel Slot, the sliding slot are arranged in a one-to-one correspondence with the film support axis, and the film support axis is fixed on one by one in the sliding slot, and It can be moved in the sliding slot.

7. battery thin film sampler according to claim 6, it is characterised in that：The sliding slot is strip sliding slot, multiple The sliding slot is radially distributed in the first surface of the panel.

8. battery thin film sampler according to claim 1, it is characterised in that：The battery thin film sampler includes Multiple bolts, the bolt connect one to one from the second surface of the panel with the film support axis corresponding with fixation The film support axis.

9. battery thin film sampler according to claim 1, it is characterised in that：The battery thin film sampler also wraps The thin film support frame for placing battery thin film roll to be sampled is included, the thin film support frame is located at the first surface of the panel Side and with the panel have spacing.

10. battery thin film sampler according to claim 1, it is characterised in that：The battery thin film sampler packet Number of turns measuring instrument is included, the number of turns measuring instrument is electrically connected with the motor, the number of turns for measuring the panel rotation.