CN108646196A - A kind of lithium battery test equipment - Google Patents
A kind of lithium battery test equipment Download PDFInfo
- Publication number
- CN108646196A CN108646196A CN201810810700.5A CN201810810700A CN108646196A CN 108646196 A CN108646196 A CN 108646196A CN 201810810700 A CN201810810700 A CN 201810810700A CN 108646196 A CN108646196 A CN 108646196A
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- Prior art keywords
- probe module
- battery
- lithium battery
- test equipment
- positive
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of lithium battery test equipments, including：Equipment body and the mechanism for testing being arranged in the equipment body；The mechanism for testing includes：Bottom plate；It is arranged on the bottom plate, multiple battery trays for placing battery to be tested；It is arranged on the bottom plate, and multiple probe modules for being tested the battery in the multiple battery tray；It is connect with the probe module, and for driving the multiple probe module to synchronize crimping to battery, and then synchronizes the driving device of test to the battery in each battery tray；It is arranged on the bottom plate, the guide rail module for controlling the probe module even running.Lithium battery test equipment in the present invention can crimp the battery in multiple puck batteries and carry out synchronism detection simultaneously, effectively increase testing efficiency, and the present invention keeps the traveling of probe module more steady using guide rail module, improve measuring accuracy.
Description
Technical field
The present invention relates to lithium battery technical field of measurement and test, and in particular to a kind of lithium battery test equipment.
Background technology
Currently, with the development of microelectric technique, the equipment of miniaturization is increasing, thus is proposed to power supply very high
It is required that.Lithium battery is exquisite convenient and has charging/discharging function, therefore enters the large-scale practical stage.And the test of lithium battery
Equipment is a ring indispensable in battery production.
Lithium battery test equipment in the prior art is the equipment for testing open-circuit voltage and AC internal Resistance, can be given birth in battery
Multiple links of production carry out target battery bulk test, and are in a short time recorded in the related data for testing battery
It is shown in equipment and instrument and immediately in display screen.But lithium battery test equipment in the prior art generally can only be to single
Battery in battery tray is tested, inefficiency.
Therefore, the existing technology needs to be improved and developed.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of lithium battery test
Equipment, it is intended to which the battery in single battery pallet can only be tested by solving lithium battery test equipment in the prior art, effect
The problems such as rate is low.
The technical proposal for solving the technical problem of the invention is as follows：
A kind of lithium battery test equipment, wherein the lithium battery test equipment includes：Equipment body and setting are in the equipment
Mechanism for testing in main body；
The mechanism for testing includes：Bottom plate；
It is arranged on the bottom plate, multiple battery trays for placing battery to be tested；
It is arranged on the bottom plate, and multiple probe modules for being tested the battery in the multiple battery tray；
It is connect with the probe module, and for driving the multiple probe module to synchronize crimping to battery, and then to every
Battery in a battery tray synchronizes the driving device of test；
It is arranged on the bottom plate, the guide rail module for controlling the probe module even running.
Preferably, the lithium battery test equipment, wherein the lithium battery test equipment further includes：It is arranged described
Connection transverse slat on bottom plate, the driving device are fixed on the connection transverse slat；
The driving device is multiple for controlling the gas that the probe module crimps the battery in the battery tray
Cylinder, the cylinder are connect with probe module, and each cylinder drives a probe module.
Preferably, the lithium battery test equipment, wherein the probe module includes that positive probe module is visited with cathode
Needle mould group, the positive probe module are separately positioned on the upside and downside of the battery tray with negative probe module.
Preferably, the lithium battery test equipment, wherein the connection transverse slat includes：Positive cylinder connection transverse slat with
And cathode cylinder connects transverse slat, and it is both provided with cylinder on the positive cylinder connection transverse slat and cathode cylinder connection transverse slat,
For controlling respectively positive probe module and negative probe module；
All cylinders are controlled by same root air inlet pipe, so that all probe modules are synchronized and crimped to battery.
Preferably, the lithium battery test equipment, wherein PLC control devices are set in the equipment body, for controlling
Make the traveling of the probe module in the mechanism for testing.
Preferably, the lithium battery test equipment, wherein the guide rail module includes：Driving motor；
It is separately positioned on the ball screw of the bottom plate both sides, and one of ball screw is connect with the driving motor；
It is separately positioned on the linear slide rail of the both sides of the bottom plate；
It is all connected with the ball screw and linear slide rail, and the traction piece for driving the probe module to advance；It is described to lead
Draw part to connect with the probe module；
It is provided with sliding block on the traction piece, for being connect at movable buckle-type with the linear slide rail.
Preferably, the lithium battery test equipment, wherein be both provided with synchronization on the ball screw of the bottom plate both sides
Belt wheel, and synchronous belt is provided on synchronous pulley；
When the driving motor drives one of ball screw rotation, another ball screw is driven by the synchronous belt
It rotates synchronously.
Preferably, the lithium battery test equipment, wherein the traction piece includes：Transverse slat company is connect with positive cylinder
The positive slider connecting plate connect；The trussed shore being fixed on the positive slider connecting plate；Transverse slat connection is connect with cathode cylinder
Cathode slider connecting plate；
The trussed shore is connect with preset through-hole on the cathode slider connecting plate at clearance fit；
The ball screw and linear slide rail are arranged between the positive slider connecting plate and cathode slider connecting plate.
Preferably, the lithium battery test equipment, wherein it is provided with a rocker piece on the anode slider connecting plate,
Lead screw link block is provided with below the rocker piece, the lead screw link block coordinates with ball screw；
The rocker piece is with the positive slider connecting plate at clearance fit.
Preferably, the lithium battery test equipment, wherein linear slide rail includes：With positive slider connecting plate at activity
The upper sliding rail of buckle-type connection and the glidepath being connect at movable buckle-type with the cathode slider connecting plate.
Beneficial effects of the present invention：Lithium battery test equipment in the present invention can be simultaneously to the electricity in multiple puck batteries
Pond is crimped and is carried out synchronism detection, effectively increases testing efficiency, and the present invention makes probe module using guide rail module
Traveling it is more steady, improve measuring accuracy.
Description of the drawings
Fig. 1 is the complete machine structure figure of the lithium battery test equipment of the present invention.
Fig. 2 is the structure chart of the mechanism for testing in the lithium battery test equipment of the present invention.
Fig. 3 be the present invention lithium battery test equipment in anode connection transverse slat and positive probe module connection structure diagram.
Fig. 4 is the structure chart of the positive probe module in the lithium battery test equipment of the present invention.
Fig. 5 is the structure chart of the guide rail module in the lithium battery test equipment of the present invention.
Fig. 6 is the structure of the linear slide rail and ball screw in the guide rail module in the lithium battery test equipment of the present invention
Figure.
Fig. 7 is the structure that synchronous pulley drives synchronizing wheel rotation in the guide rail module in the lithium battery test equipment of the present invention
Schematic diagram.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Lithium battery test equipment in the prior art（OCV＆IR equipment）The problems such as low there are testing efficiency, therefore this hair
It is bright that a kind of lithium battery test equipment is provided, can test be synchronized to the battery in multiple battery trays simultaneously, it is specific such as Fig. 1
It is shown.The lithium battery test equipment includes：Equipment body 100 and the mechanism for testing 200 being arranged in the equipment body.
With reference to Fig. 2, the mechanism for testing 200 includes：Bottom plate 10；It is arranged on the bottom plate 10, for placing the more of battery to be tested
A battery tray 20；It is arranged on the bottom plate 10, and be used to test the battery in the multiple battery tray 20
Multiple probe modules 30；It is connect with the probe module 30, and same for driving the multiple probe module 30 to carry out battery
Step crimping, and then the driving device 40 of test is synchronized to the battery in each battery tray 20；It is arranged in the bottom plate 10
On, the guide rail module 50 for controlling 30 even running of probe module.Preferably, in the equipment body 100 in the present invention
PLC control devices are provided with, for controlling the traveling of the probe module 30 in mechanism for testing 200.
It is provided with multiple battery trays 20 in lithium battery test equipment in the present invention（In the present embodiment there are two settings
Battery tray 20）, and be correspondingly arranged on multiple probe modules 30 and test is synchronized to the battery in battery tray 20, to
Effectively increase the testing efficiency of lithium battery.In addition, it is additionally provided with guide rail module 50 in lithium battery test equipment in the present invention,
For controlling 30 even running of probe module, the measuring accuracy of lithium battery is improved.
Specifically, the lithium battery test equipment in the present embodiment further includes：Connection on the bottom plate 10 is set
Transverse slat 60, the driving device 40 are fixed on the connection transverse slat 60.Preferably, the driving device 40 in the present embodiment uses
Cylinder（Identical label is used with driving device）, cylinder is connect with probe module 30, and each cylinder 40 drives one
Probe module 30.Further, the probe module 30 includes：Positive probe module 310（Shown in Fig. 3）With negative probe mould
Group（It is not marked in figure）, the positive probe module 310 is separately positioned on the upper of the battery tray 20 with negative probe module
Side and downside.In a particular application, positive probe module 310 crimps the anode of battery, and negative probe module then crimps battery
Cathode.Since there is each probe module 30 corresponding cylinder 40 to be driven to it, corresponding positive probe mould
Group 310 and negative probe module are also respectively provided with accordingly cylinder 40 and are driven respectively to it.Therefore, in the present embodiment,
The connection transverse slat 60 includes：Positive cylinder connection transverse slat 610 and cathode cylinder connect transverse slat 620（In Fig. 5）, the anode
Cylinder connects and is both provided with cylinder 40, and corresponding and positive probe module on transverse slat 610 and cathode cylinder connection transverse slat 620
310 connect with negative probe module.
It is positive cylinder connection transverse slat 610 and 310 connection structure diagram of positive probe module with reference to Fig. 3, in Fig. 3, due to this
There are two battery trays 20 for setting in lithium battery test equipment in embodiment, therefore accordingly, and positive cylinder connects transverse slat 610
There are two cylinders 40 for setting, and each cylinder 40 is connect with a positive probe module 310.Specifically, described with reference to Fig. 4
There is needle plate pinboard 311, the needle plate pinboard 311 to be connect with the switching device on cylinder 40 on positive probe module 310, this
Outside, it is provided with positive needle plate 312 on the positive probe module 310, probe 313 is provided on positive needle plate 312.Preferably,
In order to realize moving synchronously for probe module 30, all cylinders 40 in the present embodiment use same root air inlet pipe, by same root
Air inlet pipe controls all cylinders 40, so that all probe modules 30 synchronize and crimped to battery, to right
Battery in different battery trays 20 synchronizes test, improves the testing efficiency of lithium battery.
Further, the measuring accuracy of the probe module 30 in order to further increase, the lithium battery test in the present invention
Track module 50 is provided in equipment.With reference to Fig. 5, the track module 50 is arranged in pairs or groups linearly mainly on rolling lead screw 510
Sliding rail 520, the rolling lead screw 510 are arranged at the both sides of the bottom plate 10 with linear slide rail 520, and in the ball wire
Bar 510 and linear slide rail 520 are both provided with traction piece 530, and the ball screw 510 is arranged at described with linear slide rail 520
The centre of traction piece 530, traction piece 530 can be moved in ball screw 510 and linear slide rail 520, which is and connects
The connection of transverse slat 60 is connect, therefore when traction piece 530 moves, the probe module 30 on connection transverse slat 60 can be driven to synchronize and moved
It is dynamic, to test all batteries.Preferably, also by dragging between the traction piece 530 in the present embodiment and bottom plate 10
Chain 110 connects.
Specifically, referring to figure 6 and figure 7, the guide rail module 50 further includes having driving motor 540, the driving motor 540
It is connect with one of rolling lead screw 510.In the present embodiment, it is respectively provided on the ball screw 510 of 10 both sides of the bottom plate
There is synchronous pulley 550, and is provided with synchronous belt 560 on synchronous pulley 550.After driving motor 540 is started to work, the driving
Motor 540 will drive one of rolling lead screw 510 rotate, then by the synchronous pulley 550 on the rolling lead screw 510 with
And synchronous belt 560 drives another rolling lead screw 510 to rotate synchronously, the traction on guide rail module 50 to realize the left and right sides
Part 530 moves synchronously.Preferably, it is reliable for operation between synchronous pulley 550 and synchronous belt 560 in order to improve, in the present embodiment
The middle position of synchronous belt 560 is provided with idle pulley 570 and is tensioned synchronous belt 560, and idle pulley 570 is arranged in mounting bracket 571, makes
The ball-screw 510 of 10 both sides of bottom plate reaches synchronization, and then probe module 30 is driven to steer a steady course, to realize probe module 30
Accurate crimping.
Referring again to Fig. 6, it is preferable that the traction piece 530 in the present embodiment is fixedly connected with transverse slat 60 is connect.Therefore work as bottom
When the ball screw 510 of 10 both sides of plate rotates synchronously, traction piece 530 will drive connection transverse slat 60 and probe module 30 to synchronize
Movement.Specifically, the traction piece 530 in the present embodiment includes：The positive sliding block connection of the connection of transverse slat 610 is connect with positive cylinder
Plate 531；The trussed shore 532 being fixed on the positive slider connecting plate 531；The cathode that transverse slat 620 is connect with cathode cylinder is slided
Block connecting plate 533.Positive cylinder can be driven to connect transverse slat 610 by the movement of traction piece 530 and connect transverse slat with cathode cylinder
620 move synchronously, and then probe module 30 is driven to move synchronously and test battery.Due to ball screw 510 and linearly
Fixation of the sliding rail 520 on bottom plate 10 is substantially the fine positioning with pin, therefore controls positioning, this implementation in order to prevent
One end of trussed shore 532 in example is fixed on positive slider connecting plate 531, the other end and the cathode slider connecting plate 533
Upper preset through-hole is connected at clearance fit.
The present embodiment is provided with a rocker piece 534,534 lower section of the rocker piece on the positive slider connecting plate 531
It is provided with lead screw link block 535, the lead screw link block 535 coordinates with ball screw 510, when ball screw 510 rotates, leads to
Cross lead screw link block 535 drives the traction piece 530 to move with 510 matching relationship of ball screw, and then drives probe module 30
It is mobile.In addition, traction piece 530 is stuck when being moved on ball screw 510 in order to prevent, the rocker piece 534 and the anode are sliding
Block connecting plate 531 is at clearance fit, i.e., there are one through-holes for the positive setting of slider connecting plate 531, which is to be embedded in just
In through-hole on pole slider connecting plate 531, and with the through-hole at clearance fit, the tolerance clearance of left and right is ± 0.5mm, in this way
Both mechanism blockage can be prevented, assembly difficulty can also be mitigated.
Further, it is additionally provided with sliding block 536 on the traction piece 530, the sliding block 536 is with linear slide rail 520 at activity
Buckle-type connects.From fig. 6 it can be seen that when concrete application, the ball screw 510 is arranged at institute with linear slide rail 520
It states between positive slider connecting plate 531 and cathode slider connecting plate 533.Therefore, the sliding block 536 in the present embodiment is arranged in anode
On slider connecting plate 531 and cathode slider connecting plate 533.In addition, from fig. 6 it can be seen that linear slide rail in the present embodiment
There are two 520, including upper sliding rail 521 and glidepath 522, the upper sliding rail 521 and the sliding block on positive slider connecting plate 531
536 connect at movable buckle-type, and the glidepath 522 is connect with the cathode slider connecting plate 533 at movable buckle-type.This reality
It applies in example by the way that two sliding rails are arranged, connect, make with positive slider connecting plate 531 and the cathode slider connecting plate 533 respectively
It is more steady to obtain the movement of entire traction piece 530, helps to improve the measuring accuracy of probe module 30.
The present invention controls the traction piece 530 with linear slide rail 520 using ball screw 510 and operates steadily, Jin Ertong
Crossing connection transverse slat 60 drives the probe module 30 to move synchronously and smoothly test battery, when battery testing completes it
Afterwards, probe module 30 returns to initial position by PLC control devices, withdraws from battery after tested, waits for next round battery tray 20
Enter test.In addition, lithium battery test equipment in the present embodiment can with the battery in two puck batteries 20 of synchronism detection,
Compared with traditional equipment, this example it is more efficient, and due to positive probe module 310 and negative probe module 320
Synchronism accurately crimps battery, improves measuring accuracy.
In conclusion a kind of lithium battery test equipment provided by the invention, including：Equipment body and setting are set described
Mechanism for testing in standby main body；The mechanism for testing includes：Bottom plate；It is arranged on the bottom plate, for placing battery to be tested
Multiple battery trays；It is arranged on the bottom plate, and more for being tested the battery in the multiple battery tray
A probe module；It is connect with the probe module, and for driving the multiple probe module to synchronize crimping to battery, into
And the driving device of test is synchronized to the battery in each battery tray；It is arranged on the bottom plate, it is described for controlling
The guide rail module of probe module even running.Lithium battery test equipment in the present invention can be simultaneously in multiple puck batteries
Battery is crimped and is carried out synchronism detection, effectively increases testing efficiency, and the present invention makes probe mould using guide rail module
The traveling of group is more steady, improves measuring accuracy.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of lithium battery test equipment, which is characterized in that the lithium battery test equipment includes：Equipment body and setting exist
Mechanism for testing in the equipment body；
The mechanism for testing includes：Bottom plate；
It is arranged on the bottom plate, multiple battery trays for placing battery to be tested；
It is arranged on the bottom plate, and multiple probe modules for being tested the battery in the multiple battery tray；
It is connect with the probe module, and for driving the multiple probe module to synchronize crimping to battery, and then to every
Battery in a battery tray synchronizes the driving device of test；
It is arranged on the bottom plate, the guide rail module for controlling the probe module even running.
2. lithium battery test equipment according to claim 1, which is characterized in that the lithium battery test equipment further includes：
The connection transverse slat being arranged on the bottom plate, the driving device are fixed on the connection transverse slat；
The driving device is multiple for controlling the gas that the probe module crimps the battery in the battery tray
Cylinder, the cylinder are connect with probe module, and each cylinder drives a probe module.
3. lithium battery test equipment according to claim 2, which is characterized in that the probe module includes positive probe mould
Group and negative probe module, the positive probe module and negative probe module be separately positioned on the upside of the battery tray with
Downside.
4. lithium battery test equipment according to claim 3, which is characterized in that the connection transverse slat includes：Positive cylinder
It connects transverse slat and cathode cylinder connects transverse slat, and be all provided on the positive cylinder connection transverse slat and cathode cylinder connection transverse slat
It is equipped with cylinder, for controlling respectively positive probe module and negative probe module；
All cylinders are controlled by same root air inlet pipe, so that all probe modules are synchronized and crimped to battery.
5. lithium battery test equipment according to claim 1, which is characterized in that PLC is arranged in the equipment body and controls
Device, the traveling for controlling the probe module in the mechanism for testing.
6. lithium battery test equipment according to claim 1, which is characterized in that the guide rail module includes：Driving motor；
It is separately positioned on the ball screw of the bottom plate both sides, and one of ball screw is connect with the driving motor；
It is separately positioned on the linear slide rail of the both sides of the bottom plate；
It is all connected with the ball screw and linear slide rail, and the traction piece for driving the probe module to advance；It is described to lead
Draw part to connect with the probe module；
It is provided with sliding block on the traction piece, for being connect at movable buckle-type with the linear slide rail.
7. lithium battery test equipment according to claim 6, which is characterized in that on the ball screw of the bottom plate both sides
It is provided with synchronous pulley, and is provided with synchronous belt on synchronous pulley；
When the driving motor drives one of ball screw rotation, another ball screw is driven by the synchronous belt
It rotates synchronously.
8. lithium battery test equipment according to claim 7, which is characterized in that the traction piece includes：With positive cylinder
Connect the positive slider connecting plate of transverse slat connection；The trussed shore being fixed on the positive slider connecting plate；Connect with cathode cylinder
Connect the cathode slider connecting plate of transverse slat connection；
The trussed shore is connect with preset through-hole on the cathode slider connecting plate at clearance fit；
The ball screw and linear slide rail are arranged between the positive slider connecting plate and cathode slider connecting plate.
9. lithium battery test equipment according to claim 8, which is characterized in that be provided on the anode slider connecting plate
One rocker piece, the rocker piece lower section are provided with lead screw link block, and the lead screw link block coordinates with ball screw；
The rocker piece is with the positive slider connecting plate at clearance fit.
10. lithium battery test equipment according to claim 8, which is characterized in that linear slide rail includes：Connect with positive sliding block
The upper sliding rail and connect down at movable buckle-type with the cathode slider connecting plate that fishplate bar is connected at movable buckle-type
Sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810700.5A CN108646196A (en) | 2018-07-23 | 2018-07-23 | A kind of lithium battery test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810700.5A CN108646196A (en) | 2018-07-23 | 2018-07-23 | A kind of lithium battery test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108646196A true CN108646196A (en) | 2018-10-12 |
Family
ID=63760014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810810700.5A Pending CN108646196A (en) | 2018-07-23 | 2018-07-23 | A kind of lithium battery test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108646196A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239623A (en) * | 2020-01-21 | 2020-06-05 | 重庆长安汽车股份有限公司 | Multichannel battery module OCV testing mechanism |
| CN113889683A (en) * | 2021-12-08 | 2022-01-04 | 广州擎天实业有限公司 | Power battery rapid remodeling needle bed |
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| CN104505485A (en) * | 2014-10-23 | 2015-04-08 | 苏州三屹晨光工业设备有限公司 | Cell tab automatic-detection machine |
| CN205941842U (en) * | 2016-08-18 | 2017-02-08 | 深圳市恒翼能自动化有限公司 | Battery test equipment |
| CN207096290U (en) * | 2017-08-30 | 2018-03-13 | 深圳鼎阳智能科技有限公司 | A kind of needle-bar cabinet for quadrate lithium battery test |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003077473A (en) * | 2001-09-06 | 2003-03-14 | Kashima Oil Co Ltd | Graphite material for lithium ion secondary battery negative electrode |
| CN201607521U (en) * | 2009-12-01 | 2010-10-13 | 深圳市精实机电科技有限公司 | Probe bed assembly for battery detection and detecting device applying probe bed assembly |
| CN104505485A (en) * | 2014-10-23 | 2015-04-08 | 苏州三屹晨光工业设备有限公司 | Cell tab automatic-detection machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239623A (en) * | 2020-01-21 | 2020-06-05 | 重庆长安汽车股份有限公司 | Multichannel battery module OCV testing mechanism |
| CN113889683A (en) * | 2021-12-08 | 2022-01-04 | 广州擎天实业有限公司 | Power battery rapid remodeling needle bed |
| CN113889683B (en) * | 2021-12-08 | 2022-03-08 | 广州擎天实业有限公司 | Power battery rapid remodeling needle bed |
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Application publication date: 20181012 |