CN213181777U - Stable direct current internal resistance test fixture is measured to list - Google Patents
Stable direct current internal resistance test fixture is measured to list Download PDFInfo
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- CN213181777U CN213181777U CN202022003563.XU CN202022003563U CN213181777U CN 213181777 U CN213181777 U CN 213181777U CN 202022003563 U CN202022003563 U CN 202022003563U CN 213181777 U CN213181777 U CN 213181777U
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- battery cell
- internal resistance
- cylinder
- electric core
- cushion block
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 23
- 238000005259 measurement Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010998 test method Methods 0.000 abstract description 2
- 238000012797 qualification Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 15
- 230000005611 electricity Effects 0.000 description 6
- 241000270722 Crocodylidae Species 0.000 description 5
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000270728 Alligator Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
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Abstract
The utility model discloses a singly measure stable direct current internal resistance test fixture, anchor clamps include electric core fixing device, internal resistance collection system, electric core thrust unit, wherein: the battery cell fixing device consists of a clamping plate adjusting frame and a battery cell fixing clamping plate; the internal resistance acquisition device consists of a data acquisition plate and a spring probe; the battery cell pushing device consists of a cylinder, a bottom cushion block and a cylinder fixing frame; the cell fixing clamping plates are fixed by the clamping plate adjusting frames and are arranged oppositely in parallel; one end of the battery cell fixing clamp plate is fixed with a data acquisition plate, the other end of the battery cell fixing clamp plate is provided with a limiting groove, and a spring probe is arranged on the acquisition plate; the cylinder is fixed on the cylinder fixing frame, the cylinder is connected with the bottom cushion block, and the bottom cushion block slides in the limiting groove. The utility model provides high output guarantees personnel, product and equipment safety, has improved production efficiency, has reduced the operation degree of difficulty of direct current internal resistance test procedure, has improved the battery and has become the batch and put the rate, has improved the qualification rate of battery in groups simultaneously.
Description
Technical Field
The utility model belongs to the technical field of battery production, a direct current internal resistance testing arrangement is related to, concretely relates to simple and easy aluminum hull lithium cell list only measures stable direct current internal resistance test fixture.
Background
The existing method for testing the direct current internal resistance mainly comprises the steps that crocodile clips are directly connected to a battery pole column to test the direct current internal resistance, the two small crocodile clips on the upper portion are collecting devices, and the two crocodile clips on the lower portion are charging and discharging devices. The above test method has the disadvantages:
1. in the measuring process, as the measuring method needs to use large current to charge and discharge the battery to be measured, the use of the alligator clip has potential safety hazard;
2. in the measurement process, the contact area of the crocodile clip is small, the upper position and the lower position of the contact of the crocodile clip and the battery pole are not fixed in the operation process, the operation of personnel is uncontrollable, the direct current internal resistance test value is influenced, and the numerical value reproducibility is very poor when the same battery is repeatedly measured.
Disclosure of Invention
To the above-mentioned shortcoming that prior art exists, the utility model provides a singly measure stable direct current internal resistance test fixture. The utility model increases the contact area with the battery pole, so that the operation is safer; the measuring position of the internal resistance of the battery is fixed, so that errors caused by operation are reduced, and the measured value is more accurate and closer to the real condition of the battery; and an automatic pushing device is added, so that the measurement operation is convenient, and the working efficiency is improved.
The utility model aims at realizing through the following technical scheme:
the utility model provides a singly measure stable direct current internal resistance test fixture, includes electric core fixing device, internal resistance collection system, electric core thrust unit, wherein:
the battery cell fixing device consists of a clamping plate adjusting frame and a battery cell fixing clamping plate;
the internal resistance acquisition device consists of a data acquisition plate and a spring probe;
the battery cell pushing device consists of a cylinder, a bottom cushion block and a cylinder fixing frame;
the number of the electric core fixing clamping plates is two, and the two electric core fixing clamping plates are fixed by the clamping plate adjusting frame and are arranged oppositely in parallel;
a data acquisition board is fixed at one end of the battery cell fixing clamp plate, a spring probe is mounted on the data acquisition board, and a limit groove is formed at the other end of the battery cell fixing clamp plate;
the cylinder is fixed on the cylinder fixing frame, connected with the bottom cushion block and contacted with the battery cell through the bottom cushion block;
the limiting groove is located bottom cushion block below and the bottom cushion block slides in the limiting groove, and the limiting groove mainly limits the position of the bottom cushion block and prevents the electric core from being damaged by the cylinder.
Compared with the prior art, the utility model has the advantages of as follows:
1. the yield is improved, the safety of personnel, products and equipment is ensured, and the production efficiency is improved.
2. The operation difficulty of the direct current internal resistance testing procedure is reduced, the battery assembly yield is improved, and the qualified rate of the battery assembly is improved.
3. The resistance value acquisition positions in the electrical core internal resistance test process are ensured to be identical, the resilience positions of the acquisition needles are identical, the difference values of the resistance values among different electrical cores can be acquired more accurately, and the difference factors of the electrical core resistance values caused by human factors in the data acquisition process are avoided.
Drawings
Fig. 1 is a top view of the dc internal resistance test fixture of the present invention;
fig. 2 is a front view of the dc internal resistance test fixture of the present invention;
fig. 3 is a schematic structural diagram of an aluminum-casing battery to be subjected to a direct-current internal resistance test, fig. 3 (1) is a front view, and fig. 3 (2) is a left view;
in the figure: the device comprises a cylinder, a bottom cushion block, a limiting groove, a battery cell taking and placing gap, a data acquisition plate, a spring probe, a cylinder fixing frame and a rubber jaw adjusting frame; and ninthly, fixing the electric core by using the clamping plate.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but not limited thereto, and all modifications or equivalent replacements of the technical solution of the present invention are included in the protection scope of the present invention without departing from the spirit and scope of the technical solution of the present invention.
The utility model provides a singly measure stable direct current internal resistance test fixture, as shown in fig. 1 and 2, direct current internal resistance test fixture includes electric core fixing device, internal resistance collection system, electric core thrust unit, wherein: this anchor clamps mainly promote electric core to battery fixing device department by electric core thrust unit, guarantee electric core utmost point post and internal resistance collection system in close contact with through electric core fixing device's limiting displacement.
In the utility model, the internal resistance acquisition device mainly comprises a data acquisition board 5 and a spring probe 6, the battery cell fixing device mainly comprises a limiting groove 3, a battery cell taking and placing gap 4, a clamping plate adjusting frame 8 and a battery cell fixing clamping plate 9, the battery cell pushing device mainly comprises a cylinder 1, a bottom cushion block 2 and a cylinder fixing frame 7, the number of the battery cell fixing clamping plates 9 is two, and the two battery cell fixing clamping plates 9 are fixed by the clamping plate adjusting frame 8 and are arranged oppositely in parallel; a data acquisition board 5 is fixed at one end of the battery cell fixing clamping plate 9, and a spring probe 6 is installed on the data acquisition board 5; the other end of the battery cell fixing clamp plate is provided with a limiting groove 3, and the middle part of the battery cell fixing clamp plate 9 is provided with a battery cell taking and placing notch 4; the cylinder 1 is fixed on the cylinder fixing frame 7, and the cylinder 1 is connected with the bottom cushion block 2 and is contacted with the battery cell through the bottom cushion block 2; the bottom cushion block 2 slides in the limiting groove 3, and the limiting groove 3 mainly limits the position of the bottom cushion block 2 to prevent the electric core from being damaged by the excessive force of the cylinder 1.
The utility model discloses in, the fixity of the collection position of electric core utmost point post in the battery internal resistance measurement process has been guaranteed to data acquisition board 5.
The utility model discloses in, spring probe 6's among the internal resistance collection system application has prevented among the battery direct current internal resistance test process, because area of contact less results in the measurement process contact point overheated, has significantly reduced the risk of damaging electric core and measurement current line, has increased operation process's security, has guaranteed battery internal resistance measurement process electric core utmost point post accuracy, has guaranteed electric core resistance stability and reproducibility simultaneously.
The utility model discloses in, through the fixed position of installation control battery of spacing groove 3, through 1 locking batteries of cylinder and the contact degree of probe, guarantee that the battery is the same completely in the collection position of measurement in-process electricity core utmost point post, got rid of the influence of human factor to the internal resistance. Limiting groove 3 has guaranteed the limiting displacement of electric core thrust unit to electric core thrust position among the measurement process, and it is too tight when preventing electric core utmost point post and collection system contact.
The utility model discloses in, the electric core in the electric core fixing device is got and is put 4 can make things convenient for getting in the electric core measurement process and put the continuity of electric core operation, makes things convenient for anchor clamps about the battery, guarantees that the battery is changed more swiftly convenient, has improved work efficiency greatly; the battery cell fixing clamp plate 9 ensures that the placing position of the battery cell is fixed.
The utility model discloses in, the position of the solid fixed splint 9 of electric core can be guaranteed to splint alignment jig 8 among the electric core fixing device, and this alignment jig is adjustable slide, can more carry out corresponding regulation according to different electric core sizes, has guaranteed the pluralism performance of measuring anchor clamps.
The utility model discloses in, electric core thrust unit's driving power source mainly comprises compressed air driven cylinder 1, and this cylinder 1 is controlled through a foot switch, and when the foot was stepped on, the device shrink when loosening the back, the device promotes electric core to electric core fixing device in, has guaranteed the simple swift of direct current internal resistance test operation, has improved personnel's efficiency, has increased the substitutability of this station simultaneously.
The utility model discloses in, the homogeneity of electric core bottom atress has been guaranteed to end cushion block 2, prevents that electric core bottom atress is inhomogeneous.
The utility model discloses in, electric core thrust unit's cylinder mount 7 is adjustable slide, can more be according to different battery overall dimension adjusting cylinder positions, guarantees that electric core and collection system contact closely, has guaranteed the pluralism performance of anchor clamps.
The working principle is as follows:
the direct-current internal resistance test fixture pushes the battery cell through the bottom cushion block 2 by the cylinder 1, and when the bottom cushion block 2 is fixed to the position of the limiting groove 3, the battery cell is pushed to the battery cell fixing device so that the battery cell pole is in contact with the internal resistance acquisition device; the bottom cushion block 2 ensures that the stress of the battery is consistent, the limiting groove 3 and the battery cell fixing device ensure that the battery cell is not too tight or too loose when being contacted with the internal resistance acquisition device, the battery cell to be measured is fixed in the positioning groove, and at the moment, the battery cell pole is contacted with the spring probe 6 of the internal resistance acquisition device; at the moment, the testing software controls the computer to carry out large-current charging and discharging on the battery cell, and voltage and direct-current internal resistance acquisition is carried out through the spring probe 6; after electric core post end and spring probe contact, spring probe 6 is along with the atress resilience, and the probe gathers the position and resilience one-tenth degree because electric core fixing device's spacing groove 3 and electric core solid fixed splint 9 and is locked, and the resistance numerical value of gathering this moment is extremely stable, and the numerical value reproducibility is high for same electric core repeated measurement.
Example (b):
in this embodiment, FP31136282A-100Ah aluminum hull cell direct current internal resistance is measured (fig. 3), and the fixture device includes a cell fixing device, an internal resistance collecting device, and a cell pushing device; wherein electricity core fixing device is used for the fixed battery left and right sides direction for both sides electricity core solid fixed splint 9, and electricity core is put into in the middle of the splint through 4 getting of electricity core solid fixed splint 9 breach, through stepping on 1 foot-operated touch switch of air cylinder, drives 1 promotion heelpiece 2 of actuating cylinder, makes electricity core utmost point post 10 top on spring probe 6 on internal resistance collection system's data acquisition board 5, and power heelpiece 2 stops after reaching spacing groove 3, and the 6 resilience amplitudes of spring probe are fixed this moment, and measuring position is fixed. The clamp device can correspondingly adjust the clamp plate adjusting frame 8 and the cylinder fixing frame 7 to adapt to multi-model battery core measurement according to the appearance size of the battery.
Wherein, internal resistance collection system is for having spring probe quantity total 20, every group 10, every group probe all links around battery utmost point post around remembering the platform with the battery, and every group probe comprises 6 thick and 4 thick spring probes of 1mm of 2 mm. The number and the placing position of the probes can be correspondingly adjusted according to the position and the size of the pole of the upper cover of the battery.
The bottom tray of the material for manufacturing the clamp device and the cell fixing splint 9 are mainly formed by compressing and synthesizing hard plastic (ABS \ PP \ PA 6) and other materials.
Claims (2)
1. The utility model provides a singly measure stable direct current internal resistance test fixture which characterized in that: anchor clamps include electric core fixing device, internal resistance collection system, electric core thrust unit, wherein:
the battery cell fixing device consists of a clamping plate adjusting frame and a battery cell fixing clamping plate;
the internal resistance acquisition device consists of a data acquisition plate and a spring probe;
the battery cell pushing device consists of a cylinder, a bottom cushion block and a cylinder fixing frame;
the number of the electric core fixing clamping plates is two, and the two electric core fixing clamping plates are fixed by the clamping plate adjusting frame and are arranged oppositely in parallel;
a data acquisition board is fixed at one end of the battery cell fixing clamping plate, and a spring probe is installed on the data acquisition board; the other end of the battery cell fixing clamp plate is provided with a limiting groove;
the cylinder is fixed on the cylinder fixing frame, connected with the bottom cushion block and contacted with the battery cell through the bottom cushion block;
the limiting groove is located bottom cushion block below and the bottom cushion block slides in the limiting groove, and the limiting groove mainly limits the position of the bottom cushion block and prevents the electric core from being damaged by the cylinder.
2. The single-measurement stable direct current internal resistance test fixture according to claim 1, characterized in that: the middle part of the battery cell fixing clamp plate is provided with a battery cell taking and placing notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022003563.XU CN213181777U (en) | 2020-09-14 | 2020-09-14 | Stable direct current internal resistance test fixture is measured to list |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022003563.XU CN213181777U (en) | 2020-09-14 | 2020-09-14 | Stable direct current internal resistance test fixture is measured to list |
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| Publication Number | Publication Date |
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| CN213181777U true CN213181777U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022003563.XU Active CN213181777U (en) | 2020-09-14 | 2020-09-14 | Stable direct current internal resistance test fixture is measured to list |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113708277A (en) * | 2021-08-26 | 2021-11-26 | 天津平高智能电气有限公司 | Ring main unit three-phase integrated solid-sealed polar pole assembling and testing auxiliary tool |
-
2020
- 2020-09-14 CN CN202022003563.XU patent/CN213181777U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113708277A (en) * | 2021-08-26 | 2021-11-26 | 天津平高智能电气有限公司 | Ring main unit three-phase integrated solid-sealed polar pole assembling and testing auxiliary tool |
| CN113708277B (en) * | 2021-08-26 | 2023-09-01 | 天津平高智能电气有限公司 | Ring main unit three-phase integrated solid-sealed polar pole assembly and test auxiliary tool |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A stable DC internal resistance test fixture for single measurement Effective date of registration: 20230110 Granted publication date: 20210511 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: Harbin Guangyu new energy Co.,Ltd. Registration number: Y2023230000013 |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 150060 Room 202, building 1, Nanhu street, Yingbin Road, hi tech Industrial Development Zone, Harbin City, Heilongjiang Province Patentee after: Harbin Coslight New ENERGY Co.,Ltd. Address before: 150060 Room 202, building 1, Nanhu street, Yingbin Road, hi tech Industrial Development Zone, Harbin City, Heilongjiang Province Patentee before: Harbin Guangyu new energy Co.,Ltd. |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210511 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: Harbin Guangyu new energy Co.,Ltd. Registration number: Y2023230000013 |