CN109856541B - Formation and capacity grading detection equipment for distributed battery - Google Patents
Formation and capacity grading detection equipment for distributed battery Download PDFInfo
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- CN109856541B CN109856541B CN201910215574.3A CN201910215574A CN109856541B CN 109856541 B CN109856541 B CN 109856541B CN 201910215574 A CN201910215574 A CN 201910215574A CN 109856541 B CN109856541 B CN 109856541B
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Abstract
The invention relates to the technical field of new energy batteries. A formation and capacity grading detection device for a distributed battery comprises a base, a top plate, a pressing cylinder, a battery assembly and a plurality of detection needle assemblies; both sides of the top plate are arranged on the base through guide rods; and the top plate finishes moving up and down on the guide rod; the pressing cylinder is arranged on the base; the battery pack is arranged on the base, the plurality of detection needle assemblies are arranged on the top plate, and the detection needle assemblies are matched with the battery pack for detection through the pressing air cylinder. Each detection needle assembly comprises two rails, two sliding plates, a detection bottom plate, a detection top plate, a wiring terminal frame and a plurality of wiring terminals; the two rails are arranged on the bottom surface of the top plate in parallel, the two sliding plates are respectively matched with the two rails, and the detection bottom plate is arranged on the bottom surfaces of the two sliding plates; the detection bottom plate is provided with a detection needle. The detection needle is matched with the position of the battery in the battery installation cavity; the invention has the beneficial effects that: the battery detection quantity is improved, the damage of the detection needle is reduced, and the detection needle is convenient to replace.
Description
Technical Field
The invention relates to the technical field of new energy batteries, in particular to a formation and grading detection method and device for a distributed battery.
Background
The distributed batteries are produced in the same size, but the capacities of the batteries are different, so that the batteries are fully charged on equipment according to the specification, then the batteries are discharged according to the current of the specification, and the batteries with qualified capacities are screened out, namely, the chemical composition and capacity detection of the distributed batteries is completed, so that the quality of the distributed batteries after being connected in series is ensured. If the single batteries with different capacities are not distinguished and are directly used in a series-parallel connection mode, overcharge of partial single batteries often occurs in the charging and discharging process, the charge of partial single batteries is unsaturated, the service life of the distributed battery is seriously influenced, and hidden danger is also generated on the stability of the whole power supply system. When the existing distributed battery formation and partial capacity detection is carried out, in the needle pressing and closing process, the air cylinder drives the detection needle to lift through the linkage mechanism, vibration can be generated in the lifting process, the detection needle is not buffered, and the vibration can cause the detection needle to detect deviation or the detection needle to be not in place, so that the detection data are inaccurate. The detection needle can be directly contacted with other objects or even crushed without buffering, the service life of the detection needle is greatly shortened, the current equipment is inconvenient to replace and install after the detection needle is damaged, and the whole detection assembly needs to be detached and replaced. With the wider application of the distributed batteries and the more and more batteries connected in series, the existing distributed battery chemical composition and capacity detection equipment cannot meet the requirements.
Disclosure of Invention
The invention aims to provide a method and equipment for detecting the chemical composition and the content of a distributed battery, which improve the detection number of single batteries, reduce the damage of detection pins and facilitate the replacement of the detection pins, aiming at the defects in the prior art.
For the purpose of the invention, the following technical scheme is adopted for realizing the purpose:
a formation and capacity grading detection device for a distributed battery comprises a base, a top plate, a pressing cylinder, a battery assembly and a plurality of detection needle assemblies; both sides of the top plate are arranged on the base through guide rods; and the top plate finishes moving up and down on the guide rod; the fixed part of the pressing cylinder is arranged on the base, and the moving part of the pressing cylinder is fixedly connected with the bottom surface of the top plate; the battery assembly comprises a battery frame and a plurality of battery clamps; the battery frame is arranged on the base and positioned between the guide rods on the two sides; the battery clamps are regularly arranged in the battery frame; each battery clamp comprises a plurality of partition plates, a plurality of battery limiting plates and a plurality of connecting rods; two sides of each partition plate are respectively provided with a small limiting groove, and the middle part of each partition plate is provided with a large limiting groove; the plurality of battery limiting plates respectively penetrate through the small limiting grooves and the large limiting grooves to be fixedly connected with the battery frame; the connecting rods penetrate through each partition plate, and a battery installation cavity is formed between every two adjacent partition plates; a partition plate connecting piece is arranged between every two adjacent partition plates; the detection top plate is arranged at the tops of the two sliding plates; the wiring terminal frame is arranged at the rear parts of the two sliding plates, and the wiring terminals are arranged on the wiring terminal frame. The battery detection quantity can be increased, the damage of the detection needle is reduced, and the detection needle is convenient to replace.
Preferably, each connecting rod passes through the front end and the rear end of the partition plate and is fixedly connected with the front end and the rear end of the battery frame respectively.
Preferably, the small limiting groove penetrates through one battery limiting plate, two ends of the battery limiting plate are respectively and fixedly connected with the front and the back of the battery frame, and the large limiting groove penetrates through the two battery limiting plates; and the two ends of the two battery limiting plates are respectively and fixedly connected with the front and the back of the battery frame. The positions of the left and right ends of the battery can be restricted.
Preferably, the upper part of the battery limiting plate is provided with an arc surface, and two sides of the arc surface of the battery limiting plate in the small limiting groove are bent; the two battery limiting plates in the large limiting groove are symmetrically arranged, the cambered surface of the battery limiting plate on the left side is bent rightwards, and the cambered surface of the battery limiting plate on the right side is bent leftwards. The battery can be more conveniently inserted into the battery mounting cavity.
Preferably, the top of each separator is provided with an arc-shaped notch for inserting the battery. The battery can be conveniently taken by the staff.
Preferably, the number of the guide rods is four, the four guide rods are distributed in a rectangular shape, the number of the pressing cylinders is two, and the two pressing cylinders are respectively arranged in the middle of the left front and rear guide rods and in the middle of the right front and rear guide rods; a first limiting rod is arranged between each pressing cylinder and the front side guide rod, and a second limiting rod is arranged between each pressing cylinder and the rear side guide rod. The downward pressure of pressfitting cylinder can be prevented too big, will detect the needle and crush.
Preferably, the base is provided with a plurality of limiting bottom plates positioned on the outer ring of the battery frame. The position of the battery pack can be better limited, and the positioning of the detection needle and the battery is improved.
Preferably, the front part of each detection needle assembly is provided with a front cover, and the front cover is provided with handles. Can provide convenience for installation or replacement for workers.
Preferably, the needle bed is provided with a smoke alarm. The detection safety is improved.
Preferably, the needle bed is also provided with an ambient temperature monitor. The accuracy of detection is improved.
Compared with the prior art, the invention has the beneficial effects that: the formation and grading detection method and the formation and grading detection equipment for the distributed batteries can increase the detection number of the batteries through a plurality of battery clamps and improve the detection efficiency. The drawer-type detection assembly can facilitate the installation and timely replacement of the detection assembly. Set up the spring and set up first gag lever post and second gag lever post through detecting the needle and can reduce when detecting the needle buffering and prevent that it damages to detect the needle to press down excessively to lead to detecting the needle.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of a battery assembly.
Fig. 3 is an exploded view of the detection assembly.
Detailed Description
In order to make the invention more comprehensible, the following detailed description is given with reference to the accompanying drawings.
As shown in fig. 1, a chemical composition and capacity grading detection device for a distributed battery includes a base 1, a top plate 2, a pressing cylinder 3, a battery assembly 4 and a plurality of detection pin assemblies 5; both sides of the top plate 2 are arranged on the base 1 through guide rods 6; and the top plate 2 completes the up-and-down movement on the guide rod 6; four guide rods 6 are arranged, the four guide rods 6 are distributed in a rectangular shape, and the rectangular design has good support performance and stability. The fixed part of the pressing cylinder 3 is arranged on the base 1, and the moving part of the pressing cylinder 3 is fixedly connected with the bottom surface of the top plate 2; the two pressing cylinders 3 are respectively arranged in the middle of the left front and rear guide rods 6 and in the middle of the right front and rear guide rods 6; the detection assembly 5 can be better supported by the two pressing cylinders 3. A first limiting rod 7 is arranged between each pressing cylinder 3 and the front side guide rod, and a second limiting rod 8 is arranged between each pressing cylinder 3 and the rear side guide rod 6. The downward pressure of pressfitting cylinder 3 can be prevented too big, and it is excessive to lead to roof 2 to descend, will detect needle 57 and crush and influence detection efficiency. Battery pack 4 sets up on base 1, and the position of battery frame 41 outer lane is provided with a plurality of limiting bottom plate 101 on base 1. The position of the battery pack can be better limited, and the positioning of the detection needle and the battery is improved. The plurality of detection needle assemblies 5 are arranged on the top plate 2, and the detection needle assemblies 5 are matched with the battery assembly 4 through the pressing air cylinder 3 for detection. The detection needle is matched with the battery to carry out component grading capacity, the battery with good quality is selected, and the unqualified battery is scrapped.
As shown in fig. 1 and 2, the battery assembly 4 includes a battery frame 41 and two battery clamps 42; the battery frame 41 is arranged on the base 1 and positioned between the guide rods 6 on the two sides; the arrangement between the two guide rods 6 enables a more stable and stronger support of the base 1. Two battery holders 42 are regularly arranged in the battery frame 41; each battery clamp 42 comprises a plurality of partition plates 421, four battery limiting plates 422 and six connecting rods 423; the top of each separator plate 421 is provided with an arc-shaped recess 4211 for facilitating the insertion of the battery. When the battery pack is used by workers, the batteries can be conveniently taken, and the detection efficiency is improved. Two sides of each partition plate 421 are respectively provided with a small limiting groove 4212, and the middle part of each partition plate 421 is provided with a large limiting groove 4213; the plurality of battery limiting plates 422 respectively penetrate through the small limiting grooves 4212 and the large limiting grooves 4213 to be fixedly connected with the battery frame 41; one battery limiting plate 422 penetrates through the small limiting groove 4212, two ends of one battery limiting plate 422 are fixedly connected with the front and the back of the battery frame 41 respectively, and two battery limiting plates 422 penetrate through the large limiting groove 4213; and the two ends of the two battery limiting plates 422 are respectively and fixedly connected with the front and the back of the battery frame 41. The left and right sides of the 2 batteries can be restricted in the rows by the four battery restriction plates 422, respectively. The vibration or movement of the cylinder in the movement process or the whole device in the detection process can be prevented, the stability of the battery in the battery assembly 4 is increased, and the detection deviation is prevented. The upper part of the battery limit plate 422 is provided with an arc surface 4221, and two sides of the arc surface 4221 of the battery limit plate 422 in the small limit groove 4212 are bent; the two battery limiting plates 422 in the large limiting groove 4213 are symmetrically arranged, the cambered surface 4221 of the left battery limiting plate is bent rightwards, and the cambered surface 4221 of the right battery limiting plate is bent leftwards. The cambered surface 4221 is arranged to better enable the insertion of a single battery, prevent the battery from being damaged due to blockage or friction in the battery clamping process, and further ensure the integrity of the battery. A plurality of connection rods 423 penetrate each partition plate 421, and each connection rod 423 penetrates the front end and the rear end of the partition plate 421 to be fixedly connected with the front end and the rear end of the battery frame 41, respectively. A battery installation cavity 424 is formed between any two adjacent partition plates 421, and the battery installation cavity 424 is used for placing a single battery; a partition plate connecting piece 43 is arranged between every two adjacent partition plates 421; a bottom limiting plate 44 is arranged below the plurality of partition plates 421. The bottom limiting plate 44 can prevent the batteries from sliding out from the bottom, and better enable the single battery to have a support, so that the stability of the batteries in the installation cavity is further improved.
The component can increase the detection number of single batteries to adapt to different single battery numbers of distributed batteries, so that the stability of the batteries in detection is improved while the detection efficiency is improved.
As shown in fig. 1 and 3, four inspection pin assemblies 5 are arranged in parallel on the bottom surface of the top plate 2, each inspection pin assembly 5 including two rails 51, two slide plates 52, an inspection base plate 53, an inspection top plate 54, a terminal holder 55, and two connection terminals 56; the two rails are arranged on the bottom surface of the top plate 2 in parallel, and the two sliding plates 52 are respectively matched with the two rails 51, so that the two sliding plates 52 can slide in the two rails 51, and the installation and maintenance are convenient. The detection bottom plate 53 is arranged on the bottom surfaces of the two sliding plates 52; a plurality of detection pin mounting holes 531 are arranged on the detection bottom plate 53 in an array manner; a plurality of detection needle mounting holes 531 and the battery quantity phase-match of bottom, one-to-one, the detection battery that can be stable. Each detection pin mounting hole 531 is provided with a detection pin 57 through a detection pin mounting seat 571; the lower part of the detection needle 57 is sleeved with a spring 572, the detection needle 57 has a better buffer when contacting with a single battery, the detection needle 57 is prevented from descending, directly contacting with the battery hard, the abrasion of the detection needle is reduced, and the detection needle can be better contacted with the battery. The detection pin 57 is matched with the battery position in the battery installation cavity 424; the detection top plate 54 is arranged on the top of the two sliding plates 52; a plurality of circular holes 541 are arranged on the detection top plate 54 in an array manner; the circulation of the air of whole equipment can be guaranteed to a plurality of round holes, increases the heat dissipation function. A terminal holder 55 is provided at the rear of the two slide plates 52, and two terminals 56 are provided on the terminal holder 55. The front part of each detection needle assembly 5 is provided with a front cover 58, and the front cover 58 is provided with handles 581. The replacement and installation of a single detection needle can be facilitated through a drawer type mode, the replacement of the whole detection assembly is reduced, the cost is reduced, and the detection efficiency is improved. The four detection needle assemblies 5 can be installed and replaced more conveniently and rapidly by adopting a drawer-type opening and closing mode, and can also check the states of the detection needles in time, so that the detection efficiency and the detection safety are greatly improved.
When the detection pin 57 is in poor contact or damaged during maintenance of the apparatus, the detection base plate 53 is pulled out by the handle 581, and the detection pin 57 is removed and replaced. The maintenance efficiency is improved, and meanwhile, the detection efficiency can be improved.
In summary, the device can increase the detection number of the batteries through the plurality of battery clamps 42, and the detection efficiency is improved. The installation and timely replacement of the test needle 57 can be facilitated by the drawer-type test assembly 5. Set up the spring and set up first gag lever post and second gag lever post through detecting needle 57 and can reduce when detecting the needle buffering and prevent that detecting needle 57 from pushing down excessively and leading to detecting needle 57 to damage or contact failure. The distributed battery of this patent can be applied to electric automobile's distributed power battery group.
A formation and grading detection method for a distributed battery sequentially comprises the following steps:
(1) and (3) loading into a battery: the single batteries to be detected and arranged in sequence are sequentially placed in the battery installation cavity 424 of the battery assembly 4, and then the battery assembly is placed on the base 1.
(2) Battery detection: the pressing cylinder 3 drives the detection component 5 on the top plate 2 to press down, so that the detection needle 57 on the detection component 5 is contacted with the battery, the battery formation and capacity grading detection is carried out, the battery with unqualified capacity is screened out, and a plurality of battery packs with qualified capacity are combined into a distributed battery.
Claims (9)
1. The formation and capacity-grading detection equipment for the distributed batteries is characterized by comprising a base (1), a top plate (2), a pressing cylinder (3), a battery assembly (4) and a plurality of detection needle assemblies (5); both sides of the top plate (2) are arranged on the base (1) through guide rods (6); and the top plate (2) completes the up-and-down movement on the guide rod (6); the fixed part of the pressing cylinder (3) is arranged on the base (1), and the moving part of the pressing cylinder (3) is fixedly connected with the bottom surface of the top plate (2); the battery assembly (4) comprises a battery frame (41) and a plurality of battery clamps (42); the battery frame (41) is arranged on the base (1) and positioned between the guide rods (6) on the two sides; the battery clamps (42) are regularly arranged in the battery frame (41); each battery clamp (42) comprises a plurality of partition plates (421), a plurality of battery limiting plates (422) and a plurality of connecting rods (423); two sides of each partition plate (421) are respectively provided with a small limiting groove (4212), and the middle part of each partition plate (421) is provided with a large limiting groove (4213); the battery limiting plates (422) respectively penetrate through the small limiting groove (4212) and the large limiting groove (4213) to be fixedly connected with the battery frame (41); the connecting rods (423) penetrate through each partition plate (421), and a battery mounting cavity (424) is formed between every two adjacent partition plates (421); a clapboard connecting piece (43) is arranged between every two adjacent partition plates (421); a bottom limiting plate (44) is arranged below the plurality of partition plates (421); the detection pin assemblies (5) are arranged on the bottom surface of the top plate (2) in parallel, and each detection pin assembly (5) comprises two rails (51), two sliding plates (52), a detection bottom plate (53), a detection top plate (54), a terminal rack (55) and a plurality of terminals (56); the two rails are arranged on the bottom surface of the top plate (2) in parallel, the two sliding plates (52) are respectively matched with the two rails (51), and the detection bottom plate (53) is arranged on the bottom surfaces of the two sliding plates (52); a plurality of detection pin mounting holes (531) are formed in the detection bottom plate (53) in an array manner; each detection needle mounting hole (531) is provided with a detection needle (57) through a detection needle mounting seat (571); a spring (572) is sleeved on the lower portion of the detection needle (57), and the detection needle (57) is matched with the position of the battery in the battery installation cavity (424); the detection top plate (54) is arranged at the top of the two sliding plates (52); a plurality of round holes (541) are arranged on the detection top plate (54) in an array manner; the terminal rack (55) is arranged at the rear part of the two sliding plates (52), and the plurality of terminals (56) are arranged on the terminal rack (55).
2. The distributed battery chemical composition and volume detection device according to claim 1, wherein each connection rod (423) passes through the front end and the rear end of the partition plate (421) and is fixedly connected with the front end and the rear end of the battery frame (41), respectively.
3. The device for detecting the chemical composition and the volume of a distributed battery according to claim 1, wherein one battery limiting plate (422) penetrates through the small limiting groove (4212), two ends of one battery limiting plate (422) are fixedly connected with the front and the back of the battery frame (41) respectively, and two battery limiting plates (422) penetrate through the large limiting groove (4213); and the two ends of the two battery limiting plates (422) are respectively and fixedly connected with the front and the back of the battery frame (41).
4. The distributed battery formation and capacity grading detection device according to claim 3, wherein an arc surface (4221) is arranged at the upper part of the battery limiting plate (422), and the arc surface (4221) of the battery limiting plate (422) in the small limiting groove (4212) is bent at two sides; the two battery limiting plates (422) in the large limiting groove (4213) are symmetrically arranged, the cambered surface (4221) of the left battery limiting plate is bent rightwards, and the cambered surface (4221) of the right battery limiting plate is bent leftwards.
5. The distributed battery chemical composition and volume detection device as claimed in claim 1, wherein the top of each partition plate (421) is provided with an arc-shaped notch (4211) for facilitating battery insertion.
6. The distributed battery formation and capacity-grading detection device according to claim 1, wherein the number of the guide rods (6) is four, the four guide rods (6) are distributed in a rectangular shape, the number of the press cylinders (3) is two, and the two press cylinders (3) are respectively arranged in the middle of the left front and rear guide rods (6) and in the middle of the right front and rear guide rods (6); a first limiting rod (7) is arranged between each pressing cylinder (3) and the front side guide rod, and a second limiting rod (8) is arranged between each pressing cylinder (3) and the rear side guide rod (6).
7. The distributed battery formation and capacity grading detection device according to claim 1, wherein a plurality of limiting bottom plates (101) are arranged on the base (1) and positioned at the outer ring of the battery frame (41).
8. The distributed battery capacity-composition detection device according to claim 1, wherein a front cover (58) is disposed at a front portion of each detection needle assembly (5), and each handle (581) is disposed on the front cover (58).
9. The apparatus according to claim 1, wherein a smoke alarm and an ambient temperature monitor are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910215574.3A CN109856541B (en) | 2019-03-21 | 2019-03-21 | Formation and capacity grading detection equipment for distributed battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910215574.3A CN109856541B (en) | 2019-03-21 | 2019-03-21 | Formation and capacity grading detection equipment for distributed battery |
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| CN109856541A CN109856541A (en) | 2019-06-07 |
| CN109856541B true CN109856541B (en) | 2021-04-06 |
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2019
- 2019-03-21 CN CN201910215574.3A patent/CN109856541B/en active Active
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Effective date of registration: 20221207 Address after: Room 827, 8th floor, Shaoyang Economic Development Zone, Hunan 422000 Patentee after: Hunan times United New Energy Co.,Ltd. Address before: No.25, Xingchun West Road, Shiqi street, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO YINZHOU TEERFEI ELECTRONICS Co.,Ltd. |