CN217278825U

CN217278825U - Lithium battery detection equipment

Info

Publication number: CN217278825U
Application number: CN202220415516.2U
Authority: CN
Inventors: 孙文怀
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-23
Anticipated expiration: 2032-02-28

Abstract

The utility model provides a lithium battery detection device, which comprises a code scanning mechanism, a sealing detection mechanism, a short circuit tester and a discharging mechanism which are arranged in sequence along a first direction, and a transferring mechanism for transferring lithium batteries between the mechanisms in sequence; wherein: the code scanning mechanism is used for reading an information code arranged on the lithium battery; the sealing detection mechanism comprises a sealing device for sealing the lithium battery and a sealing detector connected with the sealing device, and the sealing detector is used for detecting the sealing performance of the lithium battery; the short-circuit tester is used for carrying out short-circuit test on the lithium battery with the detected tightness; and the discharging mechanism is used for conveying the lithium battery subjected to the short circuit test. Lithium cell check out test set, whole arrange rationally, can promote the efficiency to lithium cell detection, and have better practicality.

Description

Lithium battery detection equipment

Technical Field

The utility model relates to a battery testing technology field, in particular to lithium battery detection equipment.

Background

With the wide application of lithium batteries, the quality requirement on the lithium batteries is higher and higher, and the sealing performance of the lithium batteries is an important index influencing the quality of the lithium batteries. Poor sealing of the lithium battery can lead to serious consequences such as serious reduction of battery performance, leakage of electrolyte, battery bulging and even explosion, and the like, so that the product credit is seriously damaged.

At present, for the detection of lithium batteries, such as tightness and short circuit tests, the overall test efficiency is low, the requirements of increasing production efficiency cannot be met, and the tightness of the lithium ion batteries cannot be judged quickly, efficiently and accurately.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a lithium battery detection equipment to be favorable to improving the detection efficiency of lithium cell.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a lithium battery detection device comprises a code scanning mechanism, a sealing detection mechanism, a short circuit tester and a discharging mechanism which are sequentially arranged along a first direction, and further comprises a transferring mechanism for sequentially transferring lithium batteries among the mechanisms; wherein:

the code scanning mechanism is used for reading an information code arranged on the lithium battery;

the tightness detection mechanism comprises a sealing device for sealing the lithium battery and a tightness detector connected with the sealing device, and the tightness detector is used for detecting the tightness of the lithium battery;

the short circuit tester is used for carrying out short circuit test on the lithium battery with the detected tightness;

and the discharging mechanism is used for conveying the lithium battery after the short circuit test is finished.

Furthermore, the sealing device comprises a first driving mechanism, a loading part driven by the first driving mechanism to move in a translation manner and driven by the first driving mechanism, the loading part is driven by the first driving mechanism, the loading part can move between an initial station and a detection station, and a sealing mechanism capable of sealing the loading part is arranged at the detection station; the translation direction of the loading piece is orthogonal to the first direction.

Further, the code scanning mechanism is arranged close to the initial station of the sealing device.

Further, the other side of the sealing device is provided with a short circuit testing station relative to the side provided with the code scanning mechanism; the short circuit tester, the short circuit station to be tested, the temporary storage station and the pairing station are arranged around the short circuit testing station.

Further, the sealing devices are arranged in sequence along the first direction.

Furthermore, the number of the tightness detectors is multiple; along the first direction, a plurality of the leakproofness detecting instruments are respectively arranged on two sides of the sealing device.

Further, transport mechanism includes material loading manipulator, material loading manipulator is used for transporting the lithium cell after reading the sign indicating number to initial station department.

Further, transport mechanism is including transporting the manipulator, transport the manipulator and be used for will detecting the leakproofness the lithium cell is transported extremely short circuit station department that awaits measuring.

Further, transport mechanism includes unloading manipulator, unloading manipulator be used for with the lithium cell by the short circuit station of awaiting measuring successively transports to pairing station, short circuit test station, the pairing station of keeping in.

Further, the discharging mechanism comprises a first conveying belt and a second conveying belt which are adjacently arranged; the first conveying belt and the second conveying belt are used for conveying waste products and good products respectively.

Compared with the prior art, the utility model discloses following advantage has:

lithium cell check out test set, sweep a yard equipment, sealed detection mechanism, short circuit tester and discharge mechanism through setting up simultaneously to make each part whole arrange rationally, can promote the efficiency to lithium cell detection, sweep yard, leakproofness detection and short circuit test and go on in succession, the centre is transported whole adoption transport mechanism, still can save the manual work, and has better practicality. Meanwhile, the code scanning equipment is additionally arranged, so that the battery performance detection of a standard system can be realized, and the safety and reliability of the battery are improved.

In addition, sealing device's the translation direction of year material piece arranges with first direction quadrature to and establish sealing device into a plurality of that arrange in proper order along the first direction, all be favorable to the conveying of lithium cell, and be favorable to promoting the detection efficiency of lithium cell, both combine, can further promote as above effect. When sealed tester is a plurality of, arrange sealing device's both sides in with a plurality of leakproofness detectors branch in first direction, be favorable to sealed detector and sealing device to be connected, simultaneously, can arrange more sealing device, and be favorable to improving the leakproofness detection efficiency of lithium cell.

In addition, the short circuit testing station is arranged, and the short circuit tester, the short circuit station to be tested, the temporary storage station and the pairing station are sequentially arranged on the periphery of the short circuit testing station, so that the short circuit testing efficiency of the lithium battery can be improved.

The three transferring manipulators are arranged, so that transferring among the processes of code scanning, sealing test, short circuit test and discharging can be matched, the test time of each process can be reasonably matched, and the whole detection efficiency of the lithium battery can be improved; set up first conveyer belt and second conveyer belt simultaneously and carry waste product and yields respectively, can be with the good or bad timely classification of lithium cell that detects, and further be favorable to improve equipment efficiency, detection speed can reach 20 per minute.

Drawings

The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:

fig. 1 is a top view of a lithium battery detection device according to an embodiment of the present invention;

fig. 2 is another schematic structural diagram of a lithium battery detection device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a code scanning mechanism according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a test station according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the rice noodle device according to the embodiment of the present invention.

Description of reference numerals:

1. a code scanning mechanism; 2. a sealing performance detection mechanism; 3. a short circuit tester; 4. a discharging mechanism; 5. a feeding manipulator; 6. a transfer robot; 7. a feeding manipulator; 8. a frame;

101. loading the material;

201. a sealing device; 202. a leak tightness detector; 203. an initial station; 204. detecting a station;

2011. a first drive mechanism; 2012. a loading member; 2013. a sealing mechanism;

301. a short circuit test station; 302. short-circuiting a station to be detected; 303. pairing a temporary storage station; 304. pairing stations;

401. a first conveyor belt; 402. a second conveyor belt.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, in the state shown in fig. 1, the first direction refers to the left-right direction, and the second direction refers to the up-down direction.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a lithium battery detection device, as shown in fig. 1 and fig. 2, which is integrally arranged, and comprises a code scanning mechanism 1, a sealing performance detection mechanism 2, a short circuit tester 3, a discharging mechanism 4 and a transferring mechanism, wherein the code scanning mechanism, the sealing performance detection mechanism 2, the short circuit tester 3 and the discharging mechanism 4 are sequentially arranged along a first direction; wherein: the code scanning mechanism 1 is used for reading an information code arranged on the lithium battery; the sealing detection mechanism 2 comprises a sealing device 201 for sealing the lithium battery, and a sealing detector 202 connected with the sealing device 201, wherein the sealing detector 202 is used for detecting the sealing performance of the lithium battery; the short circuit tester 3 is used for carrying out short circuit test on the lithium battery with the detected tightness; and the discharging mechanism 4 is used for conveying the lithium battery subjected to the short circuit test.

Based on the above overall description, an exemplary structure of the lithium battery detection apparatus of the present embodiment is as shown in fig. 1, a code scanning mechanism 1 is arranged on the lower left side, a plurality of sealing devices 201 are arranged on the right side of the code scanning mechanism 1, the tightness testers are arranged on the left and right sides of the upper portions of the plurality of sealing devices 201, the tightness testers on the right side are arranged on the upper portion, the short-circuit tester 3 is arranged on the right side, stations adapted to the short-circuit test are arranged on the lower sides of the tightness tester 202 and the short-circuit tester 3, and a discharging mechanism 4 is arranged on the rightmost side.

In order to better understand the lithium battery detection device of the embodiment, as shown in fig. 2 and fig. 3, the rack 8 is a mounting base for the rest of components, and has a mounting platform and a supporting structure for supporting the mounting platform, and the code scanning mechanism 1, the tightness detection mechanism 2, the short circuit tester 3, and the discharging mechanism 4 are sequentially arranged from the left side to the right side of the rack 8.

In this embodiment, the code scanning mechanism 1 may specifically adopt the existing code scanning gun, code scanner, etc. for recognizing the information code preset on the lithium battery to be detected, so as to facilitate the subsequent tracking of the production source of the lithium battery, thereby facilitating the realization of the battery performance detection of the standard system.

Sweep sign indicating number mechanism 1 mainly used and judge whether the lithium cell accords with the MES requirement, get rid of and distinguish non-compliant product, accord with the MES requirement then transfer to material loading 101 by following material loading manipulator 5 to carry out follow-up test to the lithium cell.

Referring to fig. 2 in conjunction with fig. 4 and 5, the sealing device 201 includes a first driving mechanism 2011, and a carrier 2012 driven by the first driving mechanism 2011 to move in a translational manner, and the carrier 2012 is driven by the first driving mechanism 2011 to move between the initial station 203 and the detection station 204.

The lower part of the installation platform in the state shown in fig. 1 is provided with an initial station 203 and the upper part is provided with a detection station 204. In this embodiment, the motion of the carrier 2012 is along the second direction, that is, the translation direction of the carrier 2012 is orthogonal to the first direction. The first driving mechanism 2011 may refer to a device having a conventional structure, such as an air cylinder, a linear motor, and the like, which can output linear power, and the material carrier 2012 is connected to a power output end of the first driving mechanism 2011.

In a specific structure, the carrier 2012 can be a housing having an accommodating cavity with an upper opening, and a sealing mechanism 2013 capable of sealing the carrier 2012 is disposed at the detecting station 204. The detected lithium battery can be conveyed into the housing by a feeding manipulator 5 described below, and under the driving of a first driving mechanism 2011, the carrier 2012 carrying the lithium battery is conveyed to the detection station 204, and an upper opening of the carrier 2012 is sealed by a sealing mechanism 2013, so that the lithium battery to be detected to be sealed is in a closed environment.

It should be further noted that, in order to improve efficiency, the sealing device 201 is a plurality of sealing devices 201 arranged in sequence along the first direction, and when the sealing device 202 is a plurality of sealing devices 202, the plurality of sealing devices 202 are respectively disposed on two sides of the sealing device 201.

In this embodiment, the number of the sealing devices 201 is six, which are sequentially arranged along the first direction. The number of the leak detectors 202 is three, i.e. each leak detector 202 is associated with two sealing devices 201. In a specific arrangement, still referring to fig. 1, two tightness detectors 202 arranged up and down are arranged on the left side of the left sealing device 201, one tightness detector 202 is arranged on the right side of the right sealing device 201, and each tightness detector 202 is connected with the sealing mechanisms 2013 of the two sealing devices 201.

In the state shown in fig. 1, the aforementioned code scanning mechanism 1 is disposed close to the initial station 203 of the left-side sealing device 201. And transport mechanism includes material loading manipulator 5, and material loading manipulator 5's structure can refer to current structure, and it is used for transporting the lithium cell after reading the sign indicating number to initial station 203 department, and is convenient for carry out leakproofness to the lithium cell and detect.

During actual detection, because the lithium cell is sealed in sealing device 201, utilize the vacuum system who is connected with sealing device 201 to the inside evacuation of sealing device 201 earlier, inject test gas (helium) into the lithium cell inside under the negative pressure condition simultaneously, because there is pressure differential inside the battery and leakproofness detector 202, if the lithium cell has the leakage, test gas can leak to leakproofness detector 202, detect the leakproofness of judging the lithium cell through leakproofness detector 202 like this, also detect the lithium cell and have the leakage.

For the side provided with the code scanning mechanism 1, the other side of the sealing device 201 is provided with a short circuit testing station 301 located on the mounting platform, and a short circuit tester 3, a short circuit station to be tested 302, a pairing temporary storage station 303 and a pairing station 304 are arranged around the short circuit testing station 301. The foregoing transfer mechanism further includes a transfer manipulator 6, which is used for transferring the lithium battery with the detected tightness to the short circuit station to be tested 302.

In addition, the transfer mechanism comprises a blanking manipulator 7, and the blanking manipulator is used for successively conveying the lithium battery from the short circuit station to be tested 302 to the pairing temporary storage station 303, the short circuit testing station 301 and the pairing station 304. In order to improve efficiency, the short circuit test stations 301 are used for testing the lithium batteries after being paired pairwise.

For example, the lithium battery with the detected tightness is transferred to the short-circuit station to be tested 302, after the two lithium battery packs are paired, the paired lithium battery packs can be transferred to the paired temporary storage station 303 by the feeding manipulator 7, when the short-circuit test station 301 is paired to perform short-circuit test, the paired temporary storage station 303 is rotated to the short-circuit test station 301 by the feeding manipulator 7, the short-circuit test is performed by the short-circuit tester 3, unqualified batteries, namely waste products, can be transferred to the discharging mechanism 4 by the feeding manipulator 7, qualified batteries, namely good products, are firstly transferred to the paired station 304, and the qualified batteries can be transferred to the discharging mechanism 4 by the feeding manipulator 7 after the pairing is successful.

In this embodiment, the discharging mechanism 4 includes a first conveyor belt 401 and a second conveyor belt 402 which are adjacently arranged, wherein the first conveyor belt 401 and the second conveyor belt 402 are used for conveying the waste products and the good products, respectively. In a specific arrangement, the first conveyor 401 and the second conveyor 402 may be arranged side by side with reference to the state shown in fig. 2, or may be arranged orthogonally with reference to the state shown in fig. 1, and an appropriate arrangement may be selected according to a site space.

The lithium battery detection equipment of this embodiment sweeps a yard equipment, sealed detection mechanism, short circuit tester 3 and discharge mechanism 4 through setting up simultaneously to make each part overall arrangement reasonable, can promote the efficiency to lithium battery detection, sweep yard, leakproofness detection and short circuit test and go on in succession, the centre is transported whole and is adopted transport mechanism, reducible transport number of times, transport time, improve equipment efficiency, still can save the manual work, and have better practicality. Meanwhile, the code scanning equipment is additionally arranged, so that the battery performance detection of a standard system can be realized, the safety and reliability of the battery are improved, and the functions of automatic identification, screening and separation are also realized for the quality products of the high-voltage short-circuit test.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lithium battery detection equipment which characterized in that: the lithium battery lithium; wherein:

the code scanning mechanism (1) is used for reading an information code arranged on the lithium battery;

the sealing detection mechanism (2) comprises a sealing device (201) for sealing the lithium battery, and a sealing detector (202) connected with the sealing device (201), wherein the sealing detector (202) is used for detecting the sealing performance of the lithium battery;

the short circuit tester (3) is used for carrying out short circuit test on the lithium battery with the detected tightness;

and the discharging mechanism (4) is used for conveying the lithium battery after the short circuit test is finished.

2. The lithium battery detection device as claimed in claim 1, wherein:

the sealing device (201) comprises a first driving mechanism (2011), a loading part (2012) driven by the first driving mechanism (2011) to move in a translation mode, the loading part is connected with the first driving mechanism (2011) for driving, the loading part (2012) can move between an initial station (203) and a detection station (204), and a sealing mechanism (2013) capable of sealing the loading part (2012) is arranged at the detection station (204);

the direction of translation of the load carrier (2012) is arranged orthogonal to the first direction.

3. The lithium battery detection device as claimed in claim 2, wherein:

the code scanning mechanism (1) is arranged close to the initial station (203) of the sealing device (201).

4. The lithium battery detection device as claimed in claim 2, wherein:

the other side of the sealing device (201) opposite to the side provided with the code scanning mechanism (1) is provided with a short circuit testing station (301);

the short circuit testing station (301) is surrounded with the short circuit tester (3), the short circuit station to be tested (302), the temporary storage station (303) and the pairing station (304).

5. The lithium battery detection device as claimed in claim 1, wherein:

the sealing devices (201) are arranged in sequence along the first direction.

6. The lithium battery detection device as set forth in claim 5, wherein:

the number of the leak detectors (202) is multiple;

along the first direction, a plurality of the tightness detectors (202) are respectively arranged on two sides of the sealing device (201).

7. The lithium battery detection device as claimed in claim 1, wherein:

the transfer mechanism comprises a feeding mechanical arm (5), and the feeding mechanical arm (5) is used for transferring the lithium battery after code reading to an initial station (203).

8. The lithium battery detection device as claimed in claim 4, wherein:

the transfer mechanism comprises a transfer mechanical arm (6), wherein the transfer mechanical arm (6) is used for transferring the lithium battery with the detected tightness to the short circuit position (302) to be detected.

9. The lithium battery detection device as claimed in claim 4, wherein:

transfer mechanism includes unloading manipulator (7), unloading manipulator (7) be used for with the lithium cell by short circuit station (302) that awaits measuring successively transport to pairing temporary storage station (303), short circuit test station (301), pairing station (304).

10. The lithium battery detection apparatus as claimed in any one of claims 1 to 9, wherein:

the discharging mechanism (4) comprises a first conveying belt (401) and a second conveying belt (402) which are adjacently arranged;

the first conveyor belt (401) and the second conveyor belt (402) are used for conveying waste products and good products, respectively.