CN109560583B - Chargeable battery series charging and discharging equipment - Google Patents

Chargeable battery series charging and discharging equipment Download PDF

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Publication number
CN109560583B
CN109560583B CN201811470818.4A CN201811470818A CN109560583B CN 109560583 B CN109560583 B CN 109560583B CN 201811470818 A CN201811470818 A CN 201811470818A CN 109560583 B CN109560583 B CN 109560583B
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China
Prior art keywords
charging
discharging
current
master
cabinet body
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CN201811470818.4A
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CN109560583A (en
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吕江英
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Hunan Xinhemei New Energy Technology Co ltd
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Hunan Xinhemei New Energy Technology Co ltd
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    • H02J7/0003
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007Regulation of charging or discharging current or voltage
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00302Overcharge protection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306Overdischarge protection

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a rechargeable battery series charging and discharging device, which comprises a cabinet body, wherein a heat radiation fan is arranged at the top of the cabinet body, a connecting lead and a charging and discharging plate are arranged in the cabinet body, the connecting lead comprises a charging and discharging lead and a conventional lead, a master control system is arranged at the top of the cabinet body, the charging and discharging plate comprises a plurality of layers of placing layers, a plurality of charging and discharging clamps are arranged on the placing layers, the side surfaces of the charging and discharging plate are provided with a master anode and a master cathode, the charging and discharging clamps are connected with the master anode and the master cathode through the charging and discharging lead and then connected, a real-time controller is connected with the charging and discharging clamps, the charging and discharging clamps are connected in series and connected with a constant-current and constant-voltage power supply, the rechargeable battery series charging and discharging device can be self-adaptively adjusted according, the test time of the existing equipment can be greatly shortened, and the production efficiency is improved.

Description

Chargeable battery series charging and discharging equipment
Technical Field
The invention relates to a battery charging and discharging technology, in particular to a rechargeable battery series charging and discharging device.
Background
At present, two types of battery equipment are used in large-scale production of rechargeable battery factories, one type of battery equipment is called a pre-charging cabinet, the other type of battery equipment is called a grading cabinet, the pre-charging cabinet has only a charging function and can charge each row of batteries at set current and time, and each row of batteries is provided with an independent control circuit; the capacity grading cabinet has a programmable function, can control the same program of the whole cabinet, performs charge and discharge control on a single battery, and performs capacity test and screening on the battery. The pre-charging cabinet can not carry out the operation of discharging to the battery, can not carry out the activation that carries out better effect to the battery. The capacity of each battery can be tested by the capacity grading cabinet, but the whole cabinet can be controlled by one program and cannot realize the operation of different currents among batteries with different capacities, and if the batteries with different capacities or larger capacity difference are tested simultaneously, the test can be finished after all the tests are finished by the batteries with the maximum capacity, so that the efficiency is lower.
In view of the property of large-scale production of batteries, the equipment for controlling the charging and discharging steps of the batteries more intelligently can reduce the testing time, improve the testing efficiency of the batteries, better protect the tested batteries and improve the testing safety.
Disclosure of Invention
The invention provides a rechargeable battery series charging and discharging device, which effectively improves the voltage consistency and the production efficiency of the battery and can greatly reduce the input cost of the device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rechargeable battery series-connection charging and discharging device comprises a cabinet body and is characterized in that a connecting wire and a charging and discharging plate are arranged in the cabinet body, the whole charging and discharging plate is a detachable flat plate, a cabinet door is arranged on the cabinet body, the connecting wire comprises a charging and discharging wire and a conventional wire, a master control system is arranged at the top of the cabinet body, a discharger is arranged in the master control system and connected with the discharging wire, the charging and discharging plate comprises a plurality of placing layers, a plurality of charging and discharging clamps are arranged on the placing layers, a master anode and a master cathode are arranged on the side face of the charging and discharging plate, the charging and discharging clamps are connected in series through the charging and discharging wire and then connected to the master anode and the master cathode, a real-time controller is arranged on the charging and discharging clamps, the master control system comprises a setting storage module, a charging, the device comprises a data analysis storage module and a display control module, wherein the storage module is externally connected with a hidden keyboard, the charge-discharge identification switching module is connected with the display control module, the charge-discharge identification switching module is wirelessly connected with a real-time controller, a USB interface is arranged outside the data analysis storage module, the data analysis storage module is connected to the display control module, the display control module is externally connected with a display screen, a master control system is connected with a constant-current and constant-voltage device, the display screen and the hidden keyboard, the constant-current and constant-voltage device is externally connected with a current meter and a voltage meter and is adjusted through a knob.
The real-time controller is provided with an IC control chip and a current and voltage digital display, wherein the current and voltage digital display is connected with the charging and discharging conducting wires, the IC control chip is used for controlling charging and discharging current, and the current and voltage digital display is used for displaying current and voltage parameters in real time.
Further, the total control system can set the total current according to the average charging current of the single battery multiplied by the number of batteries in each layer; the total voltage is set on the programmable controller according to the charging voltage of the individual cells, multiplied by the number of series banks of the charging cabinet.
Further, the IC control chip includes a charging program and a discharging program for controlling the charging current and the discharging current.
Furthermore, a layer of ballistic nylon cloth is coated outside the charging and discharging conducting wire insulating layer. A layer of ballistic nylon cloth is coated outside the charging and discharging wires and used for marking the charging wires and preventing misconnection.
Further, the non-conductive part of the charge and discharge clamp is made of a PET material. The surface is smooth and glossy. Creep resistance, fatigue resistance and friction resistance are good, abrasion is small, hardness is high, and the thermoplastic plastic has the maximum toughness; the electric insulation performance is good, and the influence of temperature is small.
Further, charge and discharge anchor clamps are provided with elasticity extending structure, can adjust positive negative pole distance from top to bottom, the rechargeable battery of the multiple size of adaptation.
Further, the top of the cabinet body is provided with a mounting groove for dismounting and mounting the master control system.
Advantageous effects
The invention provides a charging and discharging device for rechargeable batteries connected in series, which can greatly reduce the input cost of the device, can charge and discharge batteries of different types at the same time, can self-adaptively adjust according to the different capacities of the rechargeable batteries under the condition of controlling the total current, and can automatically adjust the current according to the charging and discharging processes of the batteries, thereby preventing the overcharge and the overdischarge of the rechargeable batteries, greatly shortening the testing time of the existing device and improving the production efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a charging and discharging jig according to the present invention;
FIG. 3 is a schematic view of a connection structure of a charge and discharge conductor according to the present invention;
FIG. 4 is a schematic diagram of the connection of multiple devices of the present invention;
FIG. 5 is a control system diagram of the present invention;
description of reference numerals: the intelligent charging and discharging system comprises a master control system 1, a master positive electrode 101, a master negative electrode 102, a charging and discharging plate 2, a charging and discharging wire 201, a copper wire 2011, an insulating layer 2012, ballistic nylon cloth 2013, a cabinet door 3, a cooling fan 4, a display screen 5, a hidden keyboard 6, an ammeter 7, a voltmeter 8, a knob 801, a charging and discharging clamp 9, a positive electrode 901, a negative electrode 902, a positive charging end 903, a positive discharging end 904, a negative charging end 905, a negative discharging end 906, an elastic piece 908, a kidney-shaped hole 909, a positive plate 911, a negative plate 912, a USB interface 10, an equipment switch button 11, a charging and discharging wire connecting port 12, a cabinet body 13, an installation groove 1301, a real-time controller 14, a setting storage module 15, a charging and discharging identification determination module 16, a charging and discharging switching module 17, a.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-4: a rechargeable battery series connection charging and discharging device comprises a cabinet body 13 and is characterized in that a connecting wire and a charging and discharging plate 2 are arranged in the cabinet body 13, the charging and discharging plate is integrally a detachable flat plate, the cabinet body 13 is provided with a cabinet door 3, the connecting wire comprises a charging and discharging wire 201 and a conventional wire, the top of the cabinet body 13 is provided with a master control system 1, a discharger is arranged in the master control system 1 and connected with the discharging wire, the charging and discharging plate 2 comprises a plurality of layers of placing layers, the placing layers are provided with a plurality of charging and discharging clamps 9, the side face of the charging and discharging plate 2 is provided with a master anode 101 and a master cathode 102, the charging and discharging clamps 9 are connected with the master anode 101 and the master cathode 102 in series through the charging and discharging wire 201, the charging and discharging clamps 9 are connected with a real-time controller 14, the master control system 1, the device comprises a charging and discharging identification judging module 16, a charging and discharging switching module 17, a data analysis storage module 18 and a display control module 19, wherein the setting storage module 15 is externally connected with a hidden keyboard 6, the charging and discharging identification switching module is connected with the display control module 19, the charging and discharging identification switching module is wirelessly connected with a real-time controller 14, a USB interface is arranged outside the data analysis storage module 18, the data analysis storage module 18 is connected to the display control module 19, the display control module 19 is externally connected with a display screen, a master control system 12 is connected with a constant-current and constant-voltage device, the display screen 5 and the hidden keyboard 6, the constant-current and constant-voltage device is externally connected with an ammeter 7 and a voltmeter 8 and is adjusted through a knob 801.
The real-time controller 1414 is provided with an IC control chip, and is connected with a charge-discharge lead for displaying the current and voltage regulated by the IC control chip.
The total control system 1 can set the total current by multiplying the average charging current of a single battery by the number of batteries on each layer; the total voltage is set on the programmable controller according to the charging voltage of the individual cells, multiplied by the number of series banks of the charging cabinet.
The IC control chip comprises a charging program and a discharging program, automatically identifies the load battery clamped by the charging and discharging clamp, and controls and obtains the charging current or the discharging current required by the load battery.
The ballistic nylon cloth 2013 is coated outside the insulating layer 2012 of the charge and discharge wire 201, the ballistic nylon cloth 2013 is not limited to, other elastic materials with bright colors can be used, and the ballistic nylon cloth has red positive electrodes and black negative electrodes, is distinguished from conventional wires, and prevents the occurrence of safety accidents due to misconnection.
The non-conductive part of the charging and discharging clamp 9 is made of PET material, and the surface of the PET material is smooth and glossy. Creep resistance, fatigue resistance and friction resistance are good, abrasion is small, hardness is high, and the thermoplastic plastic has the maximum toughness; the electric insulation performance is good, and the influence of temperature is small.
The charging and discharging clamp 9 comprises a positive plate 911 and a negative plate 912, wherein the positive plate 911 is provided with a kidney-shaped hole 909, the negative plate 912 is provided with a screw, the screw is placed in the kidney-shaped hole, a stop block is arranged at the tail end of the screw, and the positive plate 911 and the negative plate 912 are connected with each other through an elastic piece 908, so that the positive plate 911 and the negative plate 912 can move up and down in the range of the kidney-shaped hole.
The invention discloses a principle that a rechargeable battery is connected with charging and discharging equipment in series, which comprises the following components in percentage by weight:
first, the charge and discharge jig 9 of the charge and discharge plate 2 is connected in series to the total positive electrode 101 and the total negative electrode 102, and the battery to be tested is placed in the charge and discharge jig 9.
Then, the power supply of the equipment is switched on, the master control system 12 is turned on, the current and the voltage are well regulated, and then the charge-discharge time parameters, the total charge current parameters, the total charge voltage parameters and the like are set through the hidden keyboard 6.
Finally, after the parameters are set, testing is started, the charging and discharging clamp is conducted, the current enters the real-time controller 1414, the real-time controller 1414 automatically adjusts the charging current through the IC control chip according to the capacity of the placed battery, charging is started, overcharge protection is started when the charging rate is reduced to 0.04C, the current of the charging and discharging clamp 9 is automatically cut off, a signal is fed back to the master control system 12 for discharging testing, overdischarge protection is started when the discharging voltage is reduced to 2.8V, discharging is stopped, once charging and discharging are finished, and charging and discharging of the next cycle are started.
Control system principle:
before testing, an operator inputs parameters by using the hidden keyboard 6, parameter data are transmitted to the setting storage module 15, after the parameter data are stored in the setting storage module 15, the parameter data are transmitted to the display control module 19, and the display control module 19 displays the parameters through a display screen to prevent input errors.
During testing, when charging is started, the real-time controller 14 automatically adjusts charging current, sends a feedback signal of current change and battery voltage change to the charging and discharging identification module through the charging and discharging switching module 17, the charging and discharging identification module transmits data to the data analysis storage module 18 for analysis and storage, the data is analyzed to form a document format for storage and sent to the display control module 19, the document format is displayed in real time through the display screen and comprises curve change and a specific data chart, an operator can download and print the document by inserting a USB (universal serial bus) interface, and the working efficiency is improved.
After the charging is finished, the real-time controller 14 feeds back a signal, the signal is transmitted to the charging and discharging identification module through the charging and discharging switching module 17, the information is transmitted to the data storage and analysis module after the charging and discharging identification module identifies, the data is analyzed to form a document format for storage and is transmitted to the display control module 19 to be displayed in real time through the display screen, the charging and discharging identification and determination module 16 determines that the charging is finished, the signal is transmitted to the charging and discharging switching module 17 to be switched into discharging, and the discharging test of the fully charged battery is started.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.

Claims (5)

1. A rechargeable battery series-connection charging and discharging device comprises a cabinet body and is characterized in that a connecting wire and a charging and discharging plate are arranged in the cabinet body, the whole charging and discharging plate is a detachable flat plate, a cabinet door is arranged on the cabinet body, the connecting wire comprises a charging and discharging wire and a conventional wire, a master control system is arranged at the top of the cabinet body, a discharger is arranged in the master control system and connected with the discharging wire, the charging and discharging plate comprises a plurality of placing layers, a plurality of charging and discharging clamps are arranged on the placing layers, a master anode and a master cathode are arranged on the side face of the charging and discharging plate, the charging and discharging clamps are connected in series through the charging and discharging wire and then connected to the master anode and the master cathode, a real-time controller is arranged in the charging and discharging clamp connection mode, the master control system comprises a setting storage module, the device comprises a data analysis storage module and a display control module, wherein the set storage module is externally connected with a hidden keyboard, a charge-discharge identification switching module is connected with the display control module, the charge-discharge identification switching module is wirelessly connected with a real-time controller, a USB interface is arranged outside the data analysis storage module, the data analysis storage module is connected with the display control module, the display control module is externally connected with a display screen, a master control system is connected with a constant-current constant-voltage device, the display screen and the hidden keyboard, the constant-current constant-voltage device is externally connected with a current meter and a voltmeter and is adjusted through a knob; the real-time controller is provided with an IC control chip and a current and voltage digital display, and the current and voltage digital display is connected with the charging and discharging conducting wires; the total control system sets total current according to the average charging current of a single battery and the number of batteries on each layer; the total voltage is set according to the charge voltage of the individual cells, multiplied by the number of series layers.
2. The series charging and discharging device for the rechargeable battery according to claim 1, wherein the IC control chip comprises a charging program and a discharging program for controlling the charging current and the discharging current.
3. The series charging and discharging device for rechargeable batteries according to claim 1, wherein the insulating layer of the charging and discharging wires is coated with a ballistic nylon cloth for distinguishing between the wires.
4. The apparatus as claimed in claim 1, wherein the non-conductive portion of the charging/discharging jig is made of PET for insulation of the charging/discharging jig.
5. The rechargeable battery series charging and discharging device as claimed in claim 1, wherein a mounting groove is formed in the top of the cabinet body for mounting and dismounting the master control system.
CN201811470818.4A 2018-12-04 2018-12-04 Chargeable battery series charging and discharging equipment Active CN109560583B (en)

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CN109560583B true CN109560583B (en) 2020-12-29

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101813755A (en) * 2010-04-09 2010-08-25 福州福光电子有限公司 Charge and discharge test equipment for full on-line storage battery pack
CN102347625A (en) * 2010-08-01 2012-02-08 王卫平 Method and equipment for forming and testing series-connected and monitored batteries
CN105070950A (en) * 2015-09-07 2015-11-18 浙江杭可科技有限公司 Formatting and grading equipment for soft package lithium-ion batteries
CN108233478A (en) * 2018-02-02 2018-06-29 孙亮 A kind of online charge-discharge system of communication storage battery

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2209387Y (en) * 1994-04-22 1995-10-04 程从彬 Multipurpose cell tongs
US20110273181A1 (en) * 2010-05-07 2011-11-10 Mansik Park Battery testing system
US8395390B2 (en) * 2010-09-14 2013-03-12 Spx Corporation Method and apparatus for charging a battery
KR102119155B1 (en) * 2013-01-30 2020-06-04 삼성에스디아이 주식회사 Charge and discharge system
CN107783045A (en) * 2016-08-30 2018-03-09 神讯电脑(昆山)有限公司 Battery charging and discharging test device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101813755A (en) * 2010-04-09 2010-08-25 福州福光电子有限公司 Charge and discharge test equipment for full on-line storage battery pack
CN102347625A (en) * 2010-08-01 2012-02-08 王卫平 Method and equipment for forming and testing series-connected and monitored batteries
CN105070950A (en) * 2015-09-07 2015-11-18 浙江杭可科技有限公司 Formatting and grading equipment for soft package lithium-ion batteries
CN108233478A (en) * 2018-02-02 2018-06-29 孙亮 A kind of online charge-discharge system of communication storage battery

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