CN106338692A - Internal resistance tester for lithium ion battery - Google Patents

Internal resistance tester for lithium ion battery Download PDF

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Publication number
CN106338692A
CN106338692A CN201610778185.8A CN201610778185A CN106338692A CN 106338692 A CN106338692 A CN 106338692A CN 201610778185 A CN201610778185 A CN 201610778185A CN 106338692 A CN106338692 A CN 106338692A
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CN
China
Prior art keywords
battery core
internal resistance
cylinder
lithium ion
plate
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CN201610778185.8A
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Chinese (zh)
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CN106338692B (en
Inventor
章清河
王德福
汪剑峰
吴光渔
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Huzhou Tianfeng Power Co Ltd
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Huzhou Tianfeng Power Co Ltd
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Priority to CN201610778185.8A priority Critical patent/CN106338692B/en
Publication of CN106338692A publication Critical patent/CN106338692A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/389Measuring internal impedance, internal conductance or related variables
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)

Abstract

The invention provides an internal resistance tester for a lithium ion battery, belongs to the field of battery production equipment, and aims at solving the problems that the detection time is long, the cost is high, the detection amount is relatively low and the error rate is high in the prior art. The tester comprises a transmission device, material carrying devices positioned at the two ends of the transmission device respectively, and a resistance detection device which is positioned a detection station in a linear segment of the transmission device and detects the internal resistance of the battery; the material carrying device comprises a mechanical carrying unit, a material storage unit and a material elevating unit; the material elevating unit is adjacent to the material storage unit, and used to lift or drop materials in the material storage unit; and the mechanical carrying unit is positioned over the material storage unit and the transmission device, and grabs the materials and drives the materials to move along the horizontal direction. The tester of the invention can be used to improve the total amount of tested batteries, save time, improve the working efficiency and reduce the error rate.

Description

A kind of lithium ion battery internal resistance test equipment
Technical field
The invention belongs to battery production equipment field, particularly to a kind of for soft-packaged polymer lithium ion battery (with Lower abbreviation lithium ion battery) internal resistance voltage measurement lithium ion battery internal resistance test equipment.
Background technology
Internal resistance is one of performance indications of lithium ion battery, and its size represents whether lithium ion battery is qualified.Lithium-ion electric Cell voltage internal resistance measurement operation generally comprises four measurements: internal resistance voltage measurement after partial volume, internal resistance voltage measurement after aging 7 days, Join internal resistance voltage measurement during resistance, join resistance 15 days after internal resistance voltage measurement.At present, to above four voltage measurements generally using artificial Carry out, and every procedure needs a workman.
During manual testing, one handss power taking core of operative employee, the hand-held internal resistance test device of another, clamp the lug of battery core, survey According to the internal resistance of cell, the internal resistance of examination battery, judges whether battery is qualified, and separated qualified and unqualified battery.Due to operation The proficiency level of work operation is different, causes testing efficiency to have bigger difference, in addition, operative employee works long hours, in measurement battery The result of resistance is more error-prone;Easily cause battery core to overstock, affect production efficiency, bring loss economically to enterprise.
Content of the invention
In order to solve the problems, such as manually to survey in internal resistance technique, time-consuming, high cost, amount detection are less, error rate is high, this Invention devises a kind of lithium ion battery internal resistance test equipment.
The technical solution used in the present invention is as follows: a kind of lithium ion battery internal resistance test equipment, including transmitting device, is located at The material conveying device at the two ends of transmitting device, and be located at the detection internal resistance of cell of detection station in transmitting device straightway Resistor detecting device;
Wherein, material conveying device includes mechanical handing device, storage device and material lifting device;Material lifting device and storage Material device is adjacent, by the material lifting in storage device or landing;Mechanical handing device is located at storage device and transmitting device Top, crawl material simultaneously drives material movement in the horizontal direction.
Lithium ion battery internal resistance test equipment is automated machine equipment, for people, the speed of its detection battery Faster than people, and need not rest as people, the utilization ratio of time is higher, can guarantee that test speed, and can ensure that survey The battery total amount of examination does not have too big fluctuation, is easy to planned production, reduces and needs the factors such as rest to make due to employee's fatigue Become the problem that the battery total amount of detection declines;Automated machine equipment ensure that the stability of test is higher, reduce due to The inaccurate problem of test result that human error causes.
Further, described lithium ion battery internal resistance test equipment also includes supporting and receiving transmitting device, material are removed Shipping unit and the frame of resistor detecting device, described frame includes the bottom support bracket of a ledge structure, described bottom support bracket Including a boss and level support platform;Described frame also includes the hook guard being placed on the support base of bottom, transmitting device, thing Material Handling device and resistor detecting device are placed in hook guard.This device is so that transmitting device, material conveying device and electricity Resistance detection means can obtain the support of frame, and the work surface of equipment is guaranteed, it is to avoid when device location is too low, easily touches by mistake and sets Standby, cause equipment cooperation not precisely, measurement result is inaccurate;Equipment in protection frame, reduces dust and enters device simultaneously In, the flimsy probability of device.
Further, described transmitting device and resistor detecting device are fixed on the boss of bottom of the frame support base;Thing Storage device in material Handling device and material lifting device are fixed in the level support platform of bottom of the frame support base;Material is removed Mechanical handing device front end in shipping unit is fixed on the boss of bottom support base, and the level of bottom support base is fixed in rear end In supporting table.This setting, so that lithium ion battery internal resistance test equipment has higher space availability ratio, also can save equipment originally The usage amount of the material of body, reaches the purpose of reasonable disposition.
Further, in described transmitting device, transmission motor is placed in the outfan of transmitting device;The input of transmitting device End and outfan are arranged in juxtaposition two synchronizing wheels respectively, and an axle passes through two synchronizing wheels, same by two by bearing and bearing block Step wheel is fixed in gripper shoe;Pass through an endless belt conveyer phase positioned at corresponding two synchronizing wheels of input and output end position Even, described conveyer belt includes multiple being evenly arranged and the integrally formed raised line with conveyer belt.This setting is so that motor leads to Cross synchronizing wheel and power is transferred to the other end it is ensured that the transport of material;Meanwhile, the raised line on conveyer belt ensures battery core in sender Position upwards is relatively fixed, it is to avoid due to battery core with transmission interband frictional force inadequate when, battery core with respect to conveyer belt occur Relatively slide, cause measurement position inaccurate, the problem of impact measurement efficiency.
Further, described transmitting device is additionally provided with a horizontal supporting plate being fixed on level support platform, horizontal support Plate passes through two endless belt conveyers, is against the inner top side of conveyer belt.Because the input of transmitting device and outfan are distant, And conveyer belt is compliant member, when transmitting battery core, easily depression occurs in the middle of conveyer belt, cause that transmit process is unstable, battery core Easily drop, and be unable to reach the height of detection means test lead, test process cannot be realized, this setting is so that horizontal support Plate supports endless belt conveyer even running, solves conveyer belt and easily occurs being recessed, the jiggly problem of transmit process.
Further, the input of described transmitting device is provided with a battery positioning dress near material conveying device side Put, position battery core position in the horizontal direction.This setting, when can be prevented effectively from battery core and being placed on conveyer belt, due to passing Send bandwidth limited, its position is also easy to produce deviation, the situation easily falling to the clear area of conveyer belt both sides occurs.
Further, described storage device, supports including cylinder, slide rail, the slide block of embedded slide rail, battery core storehouse and bottom Plate;Multiple battery core storehouses are disposed with bottom support plate, bottom is equipped with the slide block being connected with slide rail and cylinder;Slide rail is fixed on base plate On, base plate and cylinder are fixed on the upper and lower both sides of level support platform, and bottom support plate passes through adapter and cylinders;Battery core Cang Bao Include fixed gear bar, bulkhead baffle plate and the bottom baffle with u-shaped groove, the opening of u-shaped groove is towards material lifting device;Described bottom Baffle plate also includes a movable floor that can move up and down along battery core storehouse;Fixed gear bar and bulkhead baffle plate keep battery core in battery core storehouse Horizontal level is fixed;When in storage device two battery core storehouses therein, material takes sky or fills up, Telescopic-cylinder, promote bottom to prop up Motion in slide rail in fagging band movable slider, and then drive battery core storehouse along slide rail horizontal motion, reach specified location, under carrying out The taking-up of one group of battery core storehouse material or be stored in.This setting so that material in battery core storehouse can under movable floor promotes Move up and down in battery core storehouse, battery core size can be avoided to fall to when less outside battery core storehouse, the setting in multiple battery core storehouses also can increase The memory space of battery core, reduces the number of times of artificial loading.
Further, in described material lifting device, motor is fixed on supporting device by connecting rod, and leads to Cross shaft coupling one end threaded with screw mandrel to be connected, drive screw mandrel to rotate;Battery core movable plate is u-shaped structural slab, and its end is freely Ground passes through the u-shaped groove of bottom baffle and drives movable floor to move;Slide bar passes through the location hole of battery core movable plate two sides of tail, fixed It is provided with the slip device of a hollow in the hole of position, slide bar is connected with battery core movable plate;The end of thread of screw mandrel screws in battery core movable plate The connecting hole of afterbody connects battery core movable plate, and then promotes the motion of battery core movable plate to move up and down along slide bar.This setting, makes The device that must slide plays fixing and drives being used as of battery core movable plate, and prevents battery core movable plate double swerve;Battery core movable plate For u-shaped structural slab, its end passes freely through the u-shaped groove of bottom baffle and drives during movable floor movement it is ensured that each rise The battery core of fall is two, accelerates production efficiency.
Further, described mechanical handing device, including two groups of support bars keeping two support plate levels, Yi Jilian Connect the horizontal support plate of two gripper shoes;Described support bar is bolted on gripper shoe bottom;Described support bar includes short Support bar and strut of drawing money on credit, short support bar is placed on the boss of bottom support base, and strut of drawing money on credit is placed in the level of bottom support base In supporting table;One feeding guide is fixed on each gripper shoe, feeding cylinder be placed in one side guide rail outside and be fixed on and lead In the gripper shoe that rail is located;One servomotor is fixed on feeding cylinder end;Servomotor and feeding cylinder connect horizontal support plate, Promote horizontal support plate motion;Horizontal support plate two ends are connected on feeding guide by support slipper;Horizontal support plate is included by spiral shell Tether and be connected to suction cylinder and the gripper structure connecting on horizontal support plate, the rod member in gripper structure passes through spiral shell with connecting plate Tether and connect, four battery core soup sticks are placed on connecting plate two ends;The vacuum all including drawing battery core below described battery core soup stick is inhaled Disk.
This setting makes horizontal support plate along during feeding guide movement, drives battery core to move to reach biography from the position in battery core storehouse On defeated device, or move to battery core storehouse from transmitting device;Suction air cylinder driven gripper carries out the crawl of battery core, and each institute The battery core taking is two;Support slipper both played the effect supporting horizontal support plate, and support slipper can be driven to move along feeding guide again Dynamic;The setting of length support bar, the material of rod member used by saving, reduces equipment cost, it is to avoid mechanical handing device height is spent Height, and then the excessive mobile inconvenience bringing of whole equipment excessive height, volume and the loaded down with trivial details problem of transport;Can guarantee that higher again Space availability ratio, reaches the purpose of reasonable disposition.
Further, described storage device and material lifting device, near the side of transmitting device, also include one " t " type Bracing frame, its cross bar two ends is each to arrange induction apparatuss.This setting, so that the position of battery core is more accurate on conveyer belt, is easy to electricity The transmission of core and transport.
Further, described resistor detecting device, including multigroup test device being arranged in juxtaposition, measures multiple electricity simultaneously The internal resistance value of core;Every group of test device includes being placed in the barcode scanning instrument on detection gripper shoe top, is placed in the survey of detection gripper shoe bottom Examination handgrip and one group of lug lift cylinder being arranged symmetrically;Detection gripper shoe is axially symmetric structure, and its axis of symmetry both sides is respectively wrapped Include one group of gripper shoe horizontally outward protruded;Lug lift cylinder group include near transmitting device lug rise cylinder and away from The lug of transmitting device declines cylinder, and test handgrip is located at lug and declines cylinder upper end;During detection, lug rises cylinder to be supported upwards Live lug, lug declines cylinder and drives test handgrip to move downward, and test handgrip catches cell polar ear to carry out the survey of battery core internal resistance Amount;Test handgrip is also connected with internal resistance test device, and test result is sent in the computer being attached thereto internal resistance test device;Barcode scanning Instrument is by the information transmission of battery core to the computer being connected with barcode scanning instrument.This setting is so that the process of test is convenient, once Test can complete the internal resistance measurement process of multiple battery cores, and testing efficiency is high, saves the working time.
The rectangular tabular of described battery core, its minor face one end includes two lugs stretching out, in the internal resistance of measurement battery core When, convenient crawl.
The operation principle of the present invention is as follows: the material lifting device in the material conveying device of transmitting device input will store up Battery core in material device is lifted up, and mechanical handing device captures material, is placed on transmitting device;Transmitting device will need to measure Battery core be transferred at resistor detecting device, resistor detecting device detects the resistance of battery core, and testing result is sent in computer, inspection After survey, battery core is transferred at the material conveying device of transmitting device outfan through transmitting device, and the machinery in material conveying device is removed Shipping unit captures material, and battery core is placed on material lifting device;Material lifting device declines, and battery core is placed in storage device In.Carrying, test process mechanization, high working efficiency.
Using above-mentioned lithium ion battery internal resistance test equipment, the method tested is:
1. operative employee loads the battery core posting bar code in the battery core storehouse of transmitting device input first;
2. the battery core in two battery core storehouses is risen by material lifting device, and battery core is placed on transmitting device by mechanical handing device On, positioned by sensor;
3. two stations of the transmission tape travel in transmitting device, repeat step 1 and step 2 are once;
4. four battery cores are simultaneously transferred to carry out the measurement of battery core internal resistance at resistor detecting device by conveyer belt, and barcode scanning gun is swept simultaneously Retouch bar code, the data of battery core internal resistance and corresponding bar code pass through in the data base of computer data inputting computer;
5. Data Enter finishes, and conveyer belt is rotated further, and battery core is drawn and put into transmitting device outfan by mechanical handing device In battery core storehouse, battery core storehouse is taken away by operative employee after receiving completely.
Beneficial effects of the present invention:
The present invention is automated machine equipment, and for people, the speed of its detection battery is faster than people, and need not be as people one Sample is rested, and the utilization ratio of time is higher, can guarantee that test speed, and can ensure that test battery total amount do not have too big Fluctuation, be easy to planned production, reduce due to employee fatigue need rest etc. factor cause detect battery total amount decline Problem;The stability that automated machine equipment can be tested is higher, reduces and is forbidden due to the test result that human error causes True problem;Therefore battery testing total amount can be improved using the lithium ion battery internal resistance test equipment of the present invention, save the time, Improve work efficiency, reduce fault rate.
Brief description
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of transmitting device;
Fig. 3 is the structural representation of storage device;
Fig. 4 is the structural representation in battery core storehouse in storage device;
Fig. 5 is the structural representation of material lifting device;
Fig. 6 is the schematic perspective view of mechanical handing device;
Fig. 7 is the schematic perspective view of resistor detecting device;
In figure, 11- transmits motor;12- conveyer belt;13- bearing;14- bearing block;15- battery core;16- gripper shoe;17- synchronizing wheel; 18- battery locating device;21- slide rail;22- slide block;23- cylinder;24- base plate;25- bottom support plate;26- battery core storehouse;261- Bulkhead baffle plate;262- shelves bar;263- bottom baffle;264- movable floor;31- motor;32- connecting rod;33- eyelid retractor Part;34- screw mandrel;35- shaft coupling;36- battery core movable plate;37- slip device;38- slide bar;41- feeding cylinder;42- feeding is led Rail;43- suction cylinder;44- gripper shoe;The short support bar of 451-;452- draws money on credit strut;46- horizontal support plate;47- servomotor; 481- connecting plate;482- rod member;483- battery core soup stick;49- support slipper;51- lug rises cylinder;52- lug declines cylinder; 53- tests handgrip;54- barcode scanning instrument;55- detects gripper shoe.
Specific embodiment
With reference to the accompanying drawing of the present invention, the technical scheme of the embodiment of the present invention is explained and illustrated, but following reality Apply example and be only the preferred embodiments of the present invention, and not all.Based on the embodiment in embodiment, those skilled in the art are not having Make obtained other embodiment on the premise of creative work, broadly fall into protection scope of the present invention.
A kind of lithium ion battery internal resistance test equipment, as shown in figure 1, mainly by transmitting device a, positioned at transmitting device a's The material conveying device at two ends, and it is located at the resistance detection dress of the detection internal resistance of cell of detection station in transmitting device straightway Put e composition;
Wherein, material conveying device is mainly made up of storage device b, material lifting device c and mechanical handing device d;Material liter Falling unit c is adjacent with storage device b, by the material lifting in storage device b or landing;Mechanical handing device d is located at storing and fills Put b and the top of transmitting device a, crawl material simultaneously drives material movement in the horizontal direction.
Lithium ion battery internal resistance test equipment is automated machine equipment, for people, the speed of its detection battery Faster than people, and need not rest as people, the utilization ratio of time is higher, can guarantee that test speed, and can ensure that survey The battery total amount of examination does not have too big fluctuation, is easy to planned production, reduces and needs the factors such as rest to make due to employee's fatigue Become the problem that the battery total amount of detection declines;Automated machine equipment ensure that the stability of test is higher, reduce due to The inaccurate problem of test result that human error causes.
Described lithium ion battery internal resistance test equipment also include support and accommodate transmitting device a, material conveying device and The frame of resistor detecting device e, described frame includes the bottom support bracket of a ledge structure, and it is convex that described bottom support bracket includes one Platform and level support platform;Described frame also includes the hook guard being placed on the support base of bottom, transmitting device a, material handling Device and resistor detecting device are placed in hook guard.This device is so that transmitting device a, material conveying device and resistance are examined Survey the support that device e can obtain frame, the work surface of equipment is guaranteed, it is to avoid when device location is too low, easily touch equipment by mistake, Cause equipment cooperation not precisely, measurement result is inaccurate;Equipment in protection frame simultaneously, reduces dust and enters in device, The flimsy probability of device.
Described transmitting device a and resistor detecting device e is fixed on the boss of bottom of the frame support base;Material handling fills The storage device b putting and material lifting device c is fixed in the level support platform of bottom of the frame support base;Material conveying device In mechanical handing device d front end be fixed on the boss of bottom support base, the horizontal support of bottom support base is fixed in rear end On platform.This setting, so that lithium ion battery internal resistance test equipment has higher space availability ratio, also can save equipment itself The usage amount of material, reaches the purpose of reasonable disposition.
As shown in Fig. 2 in described transmitting device a, transmission motor 11 is placed in the outfan of transmitting device a;Transmitting device a Input and outfan be arranged in juxtaposition two synchronizing wheels 17 respectively, an axle pass through two synchronizing wheels 17, by bearing 13 and axle Two synchronizing wheels 17 are fixed in gripper shoe 16 bearing 14;Positioned at corresponding two synchronizing wheels 17 of input and output end position It is connected by an endless belt conveyer 12, described conveyer belt 12 includes multiple being evenly arranged and integrally formed with conveyer belt 12 Raised line.This setting is so that motor 11, by synchronizing wheel 17, power is transferred to the other end it is ensured that the transport of material;Meanwhile, pass Send and ensure that battery core position in the transmission direction is relatively fixed with the raised line on 12, it is to avoid due to the friction of battery core and transmission interband When power is inadequate, battery core 15 occurs relatively to slide with respect to conveyer belt 12, causes measurement position inaccurate, affects asking of measurement efficiency Topic.
Described transmitting device a is additionally provided with a horizontal supporting plate being fixed on level support platform, and horizontal supporting plate passes through two Endless belt conveyer 12, is against the inner top side of conveyer belt 12.Because the input of transmitting device a and outfan are distant, and Conveyer belt is compliant member, when transmitting battery core 15, easily depression, cause transmit process unstable, electric in the middle of conveyer belt 12 Core easily drops, and is unable to reach the height of detection means test lead, and test process cannot be realized, and this setting is so that level is propped up Fagging supports endless belt conveyer even running, solves conveyer belt and easily occurs being recessed, the jiggly problem of transmit process.
The input of described transmitting device a is provided with a battery locating device 18 near material conveying device side, positioning Battery core position in the horizontal direction.This setting, when can be prevented effectively from battery core 15 and being placed on conveyer belt, due to transmission bandwidth Degree is limited, and its position is also easy to produce deviation, and the situation easily falling to the clear area of conveyer belt both sides occurs.
As shown in Figure 3 and Figure 4, described storage device b, including cylinder 23, slide rail 21, the slide block 22 of embedded slide rail 21, Battery core storehouse 26 and bottom support plate 25;Four battery core storehouses 26 are disposed with bottom support plate 25, bottom is equipped with and is connected with slide rail 21 Slide block 22 and cylinder 23;Slide rail 21 is fixed on base plate 24, and base plate 24 and cylinder 23 are fixed on the upper and lower both sides of level support platform, Bottom support plate 25 is connected with cylinder 23 by adapter;Battery core storehouse 26 includes fixed gear bar 262, bulkhead baffle plate 261 and band u-shaped The bottom baffle 263 of groove, the opening of u-shaped groove is towards material lifting device c;Described bottom baffle 263 also includes one can be along electricity The movable floor 264 that core storehouse 26 moves up and down;Fixed gear bar 262 and bulkhead baffle plate 261 keep battery core level in battery core storehouse 26 Position is fixed;When in storage device b two battery core storehouses 26 therein, material takes sky or fills up, cylinder 23 stretches, and promotes bottom Motion in slide rail 21 in gripper shoe 25 band movable slider 22, and then drive battery core storehouse 26 along slide rail 21 horizontal motion, arrival refers to Positioning is put, and carries out the taking-up of next group battery core storehouse 26 material or is stored in.This setting is so that material in battery core storehouse 26 can be Movable floor 264 moves up and down under promoting in battery core storehouse 26, and battery core size can be avoided to fall to when less outside battery core storehouse 26, and four The setting in individual battery core storehouse 26 also can increase the memory space of battery core, reduces the number of times of artificial loading.
As shown in figure 5, in described material lifting device c, motor 31 is fixed on supporting device by connecting rod 32 On 33, and it is connected by shaft coupling 35 one end threaded with screw mandrel 34, drive screw mandrel 34 to rotate;Battery core movable plate 36 is u-shaped Structural slab, its end passes freely through the u-shaped groove of bottom baffle 263 and drives movable floor 264 mobile;Slide bar 38 passes through battery core The location hole of movable plate 36 two sides of tail, is provided with the slip device 37 of a hollow in location hole, by slide bar 38 and battery core movable plate 36 connections;The connecting hole that the end of thread of screw mandrel 34 screws in battery core movable plate 36 afterbody connects battery core movable plate 36, and then promotes electricity Core movable plate 36 moves and moves up and down along slide bar 38.This setting is so that slip device 37 plays fixing and drives battery core to move Being used as of dynamic plate 36, and prevent battery core movable plate 36 double swerve;Battery core movable plate 36 is u-shaped structural slab, and its end is freely It is ensured that the battery core of each lifting is two through the u-shaped groove of bottom baffle 263 and when driving movable floor 264 mobile, accelerate Production efficiency.
As shown in fig. 6, described mechanical handing device d, by two groups of support bars keeping two gripper shoe 44 levels, and The horizontal support plate 46 connecting two gripper shoes 44 forms;Described support bar is bolted on gripper shoe bottom;Described props up Strut is made up of short support bar 451 and strut 452 of drawing money on credit, and short support bar 451 is placed on the boss of bottom support base, strut of drawing money on credit In 452 level support platforms being placed in bottom support base;One feeding guide 42 is fixed on each gripper shoe 44, feeding cylinder 41 is placed in Wherein guide rail 42 outside of side being fixed in the gripper shoe at guide rail 42 place;One servomotor 47 is fixed on feeding cylinder 41 End;Servomotor 47 and feeding cylinder 41 connect horizontal support plate 46, promote horizontal support plate 46 to move;Horizontal support plate 46 two ends lead to Cross support slipper 49 to be connected on feeding guide 42;Horizontal support plate 46 is by the suction being bolt-connected on connection horizontal support plate 46 Material cylinder 43 and gripper structure composition, the rod member 482 in gripper structure and connecting plate 481 are bolted, four electricity Wicking bar 483 is placed on connecting plate 482 two ends;All include below described battery core soup stick 483 drawing the vacuum cup of battery core.
This setting is so that horizontal support plate 46, along during feeding guide 42 movement, drives the position from battery core storehouse 26 for the battery core 15 Move to reach on transmitting device a, or move to battery core storehouse 26 from transmitting device a;Suction cylinder 43 drives gripper to carry out electricity The crawl of core, and the battery core being taken every time is two;Support slipper 49 both played the effect supporting horizontal support plate 46, can drive again Support slipper 49 is mobile along feeding guide 42;The setting of length support bar, the material of rod member used by saving, reduce equipment cost, Avoid mechanical handing device d excessive height, and then the excessive mobile inconvenience bringing of whole equipment excessive height, volume and transport Loaded down with trivial details problem;Can guarantee that higher space availability ratio again, reach the purpose of reasonable disposition.
Described storage device and material lifting device, near the side of transmitting device, also include one " t " type bracing frame, its Cross bar two ends are each to arrange induction apparatuss.This setting so that the position of battery core is more accurate on conveyer belt, be easy to battery core transmission and Transport.
As shown in fig. 7, described resistor detecting device e, it is made up of multigroup test device being arranged in juxtaposition, measurement is many simultaneously The internal resistance value of individual battery core;Every group of test device, by the barcode scanning instrument 54 being placed in detection gripper shoe 55 top, is placed in detection gripper shoe 55 The test handgrip 53 of bottom and one group of lug lift cylinder composition being arranged symmetrically;Detection gripper shoe 55 is axially symmetric structure, Its axis of symmetry both sides respectively includes one group of gripper shoe horizontally outward protruded;Lug lift cylinder group is by the lug near transmitting device Rise cylinder 51 and the lug away from transmitting device declines cylinder 52 and forms, test handgrip 53 is located at lug and declines on cylinder 52 End;During detection, lug rises cylinder 51 and props up lug upwards, and lug declines cylinder 52 and drives test handgrip 53 to move downward, and surveys Examination handgrip 53 catches cell polar ear to carry out the measurement of battery core internal resistance;Test handgrip 53 is also connected with internal resistance test device, inner walkway Test result is sent in the computer being attached thereto instrument;The information transmission of battery core is extremely connected by barcode scanning instrument with barcode scanning instrument simultaneously On computer.So that the process of test is convenient, once test can complete the internal resistance measurement mistake of multiple battery cores for this setting Journey, testing efficiency is high, saves the working time.
Detection gripper shoe 55 direction can reversely be installed, and the gripper shoe originally horizontally outward protruded is entered towards transporter Row is installed, and barcode scanning instrument 54 can be mounted directly to, in the gripper shoe of protrusion, be conveniently adjusted the position of barcode scanning instrument 54.
Using described lithium ion battery internal resistance test equipment, the method tested is:
1. operative employee loads the battery core posting bar code in the battery core storehouse of transmitting device input first;
2. the battery core in two battery core storehouses is risen by material lifting device, and battery core is placed on transmitting device by mechanical handing device On, positioned by sensor;
3. two stations of the transmission tape travel in transmitting device, repeat step 1 and step 2 are once;
4. four battery cores are simultaneously transferred to carry out the measurement of battery core internal resistance at resistor detecting device by conveyer belt, and barcode scanning gun is swept simultaneously Retouch bar code, the data of battery core internal resistance and corresponding bar code pass through in the data base of computer data inputting computer;
5. Data Enter finishes, and conveyer belt is rotated further, and battery core is drawn and put into transmitting device outfan by mechanical handing device In battery core storehouse, battery core storehouse is taken away by operative employee after receiving completely.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and is familiar with Person skilled in art should be understood that the present invention includes but is not limited to accompanying drawing and the content described in specific embodiment above. The modification of any function and structure principle without departing from the present invention is intended to be included in the scope of claim.

Claims (10)

1. a kind of lithium ion battery internal resistance test equipment, including transmitting device, the material handling dress positioned at the two ends of transmitting device Put, and be located at the resistor detecting device of the detection internal resistance of cell of detection station in transmitting device straightway;
It is characterized in that, material conveying device includes mechanical handing device, storage device and material lifting device;Material lifting dress Put adjacent with storage device, by the material lifting in storage device or landing;Mechanical handing device is located at storage device and transmission The top of device, crawl material simultaneously drives material movement in the horizontal direction.
2. lithium ion battery internal resistance test equipment according to claim 1 is it is characterised in that in described lithium ion battery Resistance test equipment includes supporting and accommodating the frame of transmitting device, material conveying device and resistor detecting device, described frame Including the bottom support bracket of a ledge structure, described bottom support bracket includes a boss and level support platform;Described frame includes It is placed in the hook guard on the support base of bottom, transmitting device, material conveying device and resistor detecting device are placed in hook guard.
3. lithium ion battery internal resistance test equipment according to claim 2 is it is characterised in that described transmitting device and electricity Resistance detection means is fixed on the boss of bottom of the frame support base;Storage device in material conveying device and material lifting device It is fixed in the level support platform of bottom of the frame support base;Bottom is fixed in mechanical handing device front end in material conveying device On the boss of support base, rear end is fixed in the level support platform of bottom support base.
4. lithium ion battery internal resistance test equipment according to claim 1 is it is characterised in that in described transmitting device, Transmission motor is placed in the outfan of transmitting device;The input of transmitting device and outfan are arranged in juxtaposition two synchronizing wheels respectively, One axle passes through two synchronizing wheels, by bearing and bearing block, two synchronizing wheels is fixed in gripper shoe;Positioned at input and defeated Go out corresponding two synchronizing wheels of end position pass through one endless belt conveyer be connected, described conveyer belt includes multiple be evenly arranged and The integrally formed raised line with conveyer belt.
5. lithium ion battery internal resistance test equipment according to claim 4 is it is characterised in that described transmitting device is provided with One horizontal supporting plate being fixed on level support platform, horizontal supporting plate passes through two endless belt conveyers, is against on the inner side of conveyer belt End.
6. the lithium ion battery internal resistance test equipment according to claim 1 ~ 5 any claim is it is characterised in that described The input of transmitting device be provided with a battery locating device near material conveying device side, positioning battery core is in the horizontal direction Position.
7. the lithium ion battery internal resistance test equipment according to claim 1 ~ 5 any claim is it is characterised in that described Storage device, including cylinder, slide rail, the slide block of embedded slide rail, battery core storehouse and bottom support plate;It is disposed with bottom support plate Multiple battery core storehouses, bottom is equipped with the slide block being connected with slide rail and cylinder;Slide rail is fixed on base plate, and base plate and cylinder are fixed on water The upper and lower both sides of flat supporting table, bottom support plate passes through adapter and cylinders;Battery core storehouse include fixed gear bar, bulkhead baffle plate and With the bottom baffle of u-shaped groove, the opening of u-shaped groove is towards material lifting device;Described bottom baffle also includes one can be along battery core The movable floor that storehouse moves up and down;Fixed gear bar and bulkhead baffle plate keep battery core horizontal level in battery core storehouse to fix;Work as storing When in device two battery core storehouses therein, material takes sky or fills up, Telescopic-cylinder, promote slide rail in bottom support plate band movable slider Interior motion, and then drive battery core storehouse along slide rail horizontal motion, reach specified location, carry out taking of next group battery core storehouse material Go out or be stored in.
8. the lithium ion battery internal resistance test equipment according to claim 1 ~ 5 any claim is it is characterised in that described Material lifting device in, motor is fixed on supporting device by connecting rod, and by shaft coupling threaded with screw mandrel One end be connected, drive screw mandrel rotate;Battery core movable plate is u-shaped structural slab, and its end passes freely through the u-shaped groove of bottom baffle And drive movable floor to move;Slide bar passes through the location hole of battery core movable plate two sides of tail, is provided with the cunning of a hollow in location hole Dynamic device, slide bar is connected with battery core movable plate;The connecting hole that the end of thread of screw mandrel screws in battery core movable plate afterbody connects battery core Movable plate, and then promote the motion of battery core movable plate to move up and down along slide bar.
9. the lithium ion battery internal resistance test equipment according to claim 1 ~ 5 any claim is it is characterised in that described Mechanical handing device, including keep two support plate levels two groups of support bars, and connect two gripper shoes horizontal support plate; Described support bar is bolted on gripper shoe bottom;Described support bar includes short support bar and strut of drawing money on credit, short Strut is placed on the boss of bottom support base, and strut of drawing money on credit is placed in the level support platform of bottom support base;In each gripper shoe Fix a feeding guide, feeding cylinder be placed in one side guide rail outside and be fixed on guide rail place gripper shoe on;One watches Take motor and be fixed on feeding cylinder end;Servomotor and feeding cylinder connect horizontal support plate, promote horizontal support plate motion;Horizontal Fagging two ends are connected on feeding guide by support slipper;Horizontal support plate includes being bolt-connected to connect horizontal support plate On suction cylinder and gripper structure, the rod member in gripper structure and connecting plate be bolted, four battery core soup sticks It is placed on connecting plate two ends;All include below described battery core soup stick drawing the vacuum cup of battery core.
10. the lithium ion battery internal resistance test equipment according to claim 1 ~ 5 any claim is it is characterised in that institute The resistor detecting device stated, including multigroup test device being arranged in juxtaposition, measures the internal resistance value of multiple battery cores simultaneously;Every group of test Device includes being placed in the barcode scanning instrument on detection gripper shoe top, is placed in the test handgrip detecting gripper shoe bottom and one group of symmetrical cloth The lug lift cylinder put;Detection gripper shoe is axially symmetric structure, and one group of each inclusion in its axis of symmetry both sides is horizontally outward protruded Gripper shoe;Lug lift cylinder group includes rising cylinder and away from sending down the abnormal ascending QI under the lug of transmitting device near the lug of transmitting device Cylinder, test handgrip is located at lug and declines cylinder upper end;During detection, lug rises cylinder and props up lug upwards, and lug declines cylinder Test handgrip is driven to move downward, test handgrip catches cell polar ear to carry out the measurement of battery core internal resistance;Test handgrip also with internal resistance Tester is connected, and test result is sent in the computer being attached thereto internal resistance test device;Barcode scanning instrument is by the information transmission of battery core To the computer being connected with barcode scanning instrument.
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CN113894068B (en) * 2021-09-30 2023-12-01 惠州市好品盈电子科技有限公司 Device for rapidly testing charging rising voltage of lithium battery

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