CN207368673U - A kind of formation of Li-ion batteries equipment - Google Patents
A kind of formation of Li-ion batteries equipment Download PDFInfo
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- CN207368673U CN207368673U CN201721197435.5U CN201721197435U CN207368673U CN 207368673 U CN207368673 U CN 207368673U CN 201721197435 U CN201721197435 U CN 201721197435U CN 207368673 U CN207368673 U CN 207368673U
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 42
- 229910001416 lithium ion Inorganic materials 0.000 title abstract 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 38
- 238000004146 energy storage Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 18
- 238000011084 recovery Methods 0.000 claims description 18
- 238000005265 energy consumption Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 3
- 208000028659 discharge Diseases 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a kind of formation of Li-ion batteries equipment, including host computer, middle-position machine, control panel, multiple two-way DC/DC circuits and energy-recuperation system.The energy-recuperation system includes high-power AC/DC converters, energy storage battery, energy consuming circuitry and microcontroller and its peripheral circuit forms；The microcontroller is connected with energy consuming circuitry and multiple two-way DC/DC circuits communications；The high-power AC/DC converters are the buck configuration of isolated form, and power grid 220V alternating currents input, stable 12V DC electricity output, and export to multiple two-way DC/DC circuits.The design of energy-recuperation system of the formation device based on dc bus energy storage framework can carry out discharge regime in high-volume lithium battery, it can be achieved to recycle this portion of energy, cost is low, circuit reliability is higher, energy-saving effect is preferable, and ensures that formation of Li-ion batteries equipment is efficiently and reliably run.
Description
Technical Field
The utility model relates to a lithium cell technical field, concretely relates to lithium cellization becomes equipment.
Background
Because of the advantages of small volume, large capacity, high working voltage, long cycle life, no memory, low self-discharge rate, strong low-temperature adaptability and the like, the lithium battery is a high-efficiency secondary battery with the greatest development prospect and is widely applied to the consumer electronics industry. The preparation technology of the lithium battery is relatively complex, the requirements on production conditions are strict, and particularly, the lithium battery needs to be subjected to a formation process before leaving a factory, wherein the formation process is to perform charging and discharging management on the lithium battery for many times to activate the battery, which is directly related to energy use and consumption, and plays a very important role in the whole production process.
Most of the existing equipment at present does not have a reliable and reasonable energy recovery system, huge energy waste can be caused in the working process, energy conservation and emission reduction cannot be realized, and the production cost of the lithium battery can be further increased. In addition, if the energy in the formation equipment is not recovered or dissipated timely, the normal operation of the formation system can be influenced, and even production accidents can be caused.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned shortcoming that exists among the prior art, the utility model aims to provide a with low costs, the circuit reliability is higher, can realize the energy recuperation among the battery cell ization, and energy-conserving effect is better to can guarantee to become the lithium cellization equipment that the process is high-efficient and move reliably.
The technical scheme of the utility model is that:
the lithium battery formation equipment comprises an upper computer, a middle computer and a control panel; the upper computer is in communication connection with the middle computer and the control panel, and is used for completing the compiling and issuing of lithium battery formation instructions, observing and recording data of the whole formation process through a display page; the middle computer receives a formation instruction sent by the upper computer, sends the formation instruction to the control panel through the CAN bus, and simultaneously receives detection data uploaded by the control panel in the formation process, packs the detection data and sends the detection data to the upper computer; the control panel controls each DC/DC module to complete charging and discharging of the lithium battery, controls the energy recovery system to complete energy supply and recovery in the formation process, and meanwhile completes formation data detection and uploading.
And, further comprising a plurality of bi-directional DC/DC circuits and an energy recovery system; the energy recovery system comprises a high-power AC/DC converter, an energy storage battery, an energy consumption circuit, a microcontroller and peripheral circuits thereof; the energy storage battery is bridged on a 12V direct current bus; the microcontroller is in communication connection with the energy consumption circuit and the plurality of bidirectional DC/DC circuits; the high-power AC/DC converter is an isolated voltage reduction structure, 220V alternating current of a power grid is input, stable 12V direct current is output, and the alternating current and the stable 12V direct current are output to the bidirectional DC/DC circuits.
Furthermore, the energy consumption circuit is realized by adopting a controllable high-power energy consumption circuit, is controllable externally and is used for releasing redundant electric quantity which cannot be stored on the direct current bus.
The utility model has the advantages that: the lithium battery formation equipment is low in cost, high in circuit reliability, good in energy-saving effect and capable of achieving energy recovery in the formation of the single battery and guaranteeing the efficient and reliable operation of the lithium battery formation process. This become equipment both can make up the lithium cell singly and can carry out the batch formation to can carry out real-time recording and demonstration to the relevant parameter that becomes the in-process, satisfy the demand that big lithium cellization becomes totally, the energy recovery system's based on direct current bus energy storage framework design can carry out the discharge stage at big lithium cell simultaneously, retrieves this part of energy, guarantees that the lithium cellization equipment can go on high-efficiently and reliably.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and accompanying drawings.
See fig. 1, the utility model relates to a lithium cellization becomes equipment includes host computer, well host computer, control panel, a plurality of two-way DC/DC circuit and energy recuperation system, and wherein, host computer and well host computer, control panel intercommunication are connected, and host computer, well host computer, control panel all adopt current battery to become equipment of system and realize, and it is as long as can realize the function that corresponds, does not do any restriction here. When the formation system works, the upper computer operating platform can enable operators to complete the compiling and issuing of lithium battery formation instructions, and can observe and record data of the whole formation process through a display page; the middle computer receives a formation instruction sent by the upper computer, sends the formation instruction to the control panel through the CAN bus, and simultaneously receives detection data uploaded by the control panel in the formation process, packs the detection data and sends the detection data to the upper computer; the control panel controls each DC/DC module to complete charging and discharging of the lithium battery, controls the energy recovery system to complete energy supply and recovery in the formation process, and meanwhile completes formation data detection and uploading.
The energy recovery system comprises a high-power AC/DC converter, an energy storage battery, an energy consumption circuit, a microcontroller and peripheral circuits thereof; the energy storage battery is bridged on a 12V direct current bus; the microcontroller is in communication connection with the energy consuming circuit and the plurality of bidirectional DC/DC circuits. The high-power AC/DC converter is an isolated voltage reduction structure, 220V alternating current of a power grid is input, stable 12V direct current is output and is output to a plurality of bidirectional DC/DC circuits, the high-power AC/DC converter is an energy supply part of the whole formation equipment and is a key module formed by energy recovery system hardware. The AC/DC converter converts 220V alternating current into 12V direct current to supplement energy for the whole energy recovery system, and the energy flows in a single direction; the energy storage battery realizes the energy storage of the 12V direct current bus, and the energy flows in two directions; the energy consumption circuit dissipates the energy which cannot be stored on the 12V direct current bus, so that the system can work safely under any condition, and the energy flows in a unidirectional mode. The control of the whole energy recovery system is realized by a microcontroller. In the formation process, the microcontroller judges according to data acquired from the control panel, supplements energy to the direct current bus through coordinately controlling the AC/DC converter, controls the energy consumption circuit to properly release energy for the direct current bus, and stores the energy emitted by the lithium battery in the storage battery as far as possible under the condition of ensuring normal and safe operation of the formation process, thereby realizing energy recovery.
In the charging process of the lithium battery, when the energy stored in the energy storage battery is insufficient, the AC/DC converter is started, 220V alternating current is converted into 12V direct current to supplement energy for the system, most of electric energy is reduced through DC/DC at this time, the 12V direct current electric energy is converted into 4.2V direct current to be charged into the lithium battery, and a small part of electric energy is directly charged into the energy storage battery to be stored; when the energy stored by the energy storage battery is enough, the energy storage battery supplies energy directly. In the discharging process of the lithium battery, when the energy storage battery is not fully charged, the energy released by the lithium battery can be further stored to realize local feedback of the energy, and at the moment, 4.2V direct current electric energy is continuously converted into 12V direct current electric energy to be charged into the energy storage battery through DC/DC boosting; when the energy storage battery is full of capacity, the energy continuously released by the lithium battery cannot be stored locally, and is dissipated through the energy consumption circuit. The energy consumption circuit is realized by adopting a controllable high-power energy consumption circuit, is controllable outside, is used for releasing redundant electric quantity which cannot be stored on the direct current bus, and mainly plays a role in protecting in the system.
The utility model provides a with low costs, circuit reliability is higher, can realize the energy recuperation in the battery cell ization becomes, and energy-conserving effect is better to guarantee that the lithium cellization becomes equipment high-efficient and the lithium cellization that moves reliably becomes equipment. This become equipment both can make up the lithium cell singly and can carry out the batch formation to can carry out real-time recording and demonstration to the relevant parameter that becomes the in-process, satisfy the demand that big lithium cellization becomes totally, the energy recuperation system's based on direct current bus energy storage framework design simultaneously can be in big lithium cell stage of discharging, retrieves this part of energy, guarantees that the lithium cellization equipment can go on with high efficiency and reliably.
The above description is only exemplary of the present invention and should not be construed as limiting the scope of the invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (2)
1. A lithium battery formation device comprises an upper computer, a middle computer and a control panel; wherein,
the upper computer is in communication connection with the middle computer and the control panel, and is used for completing the compiling and issuing of lithium battery formation instructions, observing and recording data of the whole formation process through a display page;
the middle computer receives a formation instruction sent by the upper computer, sends the formation instruction to the control panel through the CAN bus, and simultaneously receives detection data uploaded by the control panel in the formation process, packs the detection data and sends the detection data to the upper computer;
the control panel controls each DC/DC module to complete charging and discharging of the lithium battery, controls the energy recovery system to complete energy supply and recovery in the formation process, and simultaneously completes formation data detection and uploading;
the method is characterized in that: the system also comprises a plurality of bidirectional DC/DC circuits and an energy recovery system; the energy recovery system comprises a high-power AC/DC converter, an energy storage battery, an energy consumption circuit, a microcontroller and peripheral circuits thereof; the energy storage battery is bridged on a 12V direct current bus; the microcontroller is in communication connection with the energy consumption circuit and the plurality of bidirectional DC/DC circuits;
the high-power AC/DC converter is an isolated voltage reduction structure, 220V alternating current of a power grid is input, stable 12V direct current is output, and the alternating current and the stable 12V direct current are output to the bidirectional DC/DC circuits.
2. The lithium battery formation apparatus of claim 1, wherein: the energy consumption circuit is realized by adopting a controllable energy consumption circuit, is controllable externally and is used for releasing redundant electric quantity which cannot be stored on the direct current bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197435.5U CN207368673U (en) | 2017-09-15 | 2017-09-15 | A kind of formation of Li-ion batteries equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197435.5U CN207368673U (en) | 2017-09-15 | 2017-09-15 | A kind of formation of Li-ion batteries equipment |
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| Publication Number | Publication Date |
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| CN207368673U true CN207368673U (en) | 2018-05-15 |
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| CN201721197435.5U Expired - Fee Related CN207368673U (en) | 2017-09-15 | 2017-09-15 | A kind of formation of Li-ion batteries equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133521A (en) * | 2019-05-31 | 2019-08-16 | 重庆大学 | A high-efficiency multi-channel battery capacity testing system and its working method |
| CN110783939A (en) * | 2018-07-26 | 2020-02-11 | 深圳市瑞能实业股份有限公司 | Intelligent energy management system and general management system |
| CN114779106A (en) * | 2022-04-15 | 2022-07-22 | 国网河北省电力有限公司电力科学研究院 | Intelligent battery testing device, system and method for electric power monitoring device |
| CN116047336A (en) * | 2023-03-27 | 2023-05-02 | 深圳市铂纳特斯自动化科技有限公司 | Battery formation monitoring method and device |
| CN116325420A (en) * | 2021-07-29 | 2023-06-23 | 宁德时代新能源科技股份有限公司 | Battery charging method and charging and discharging device |
-
2017
- 2017-09-15 CN CN201721197435.5U patent/CN207368673U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783939A (en) * | 2018-07-26 | 2020-02-11 | 深圳市瑞能实业股份有限公司 | Intelligent energy management system and general management system |
| CN110133521A (en) * | 2019-05-31 | 2019-08-16 | 重庆大学 | A high-efficiency multi-channel battery capacity testing system and its working method |
| CN116325420A (en) * | 2021-07-29 | 2023-06-23 | 宁德时代新能源科技股份有限公司 | Battery charging method and charging and discharging device |
| CN116325420B (en) * | 2021-07-29 | 2025-09-23 | 宁德时代新能源科技股份有限公司 | Battery charging method and charging and discharging device |
| CN114779106A (en) * | 2022-04-15 | 2022-07-22 | 国网河北省电力有限公司电力科学研究院 | Intelligent battery testing device, system and method for electric power monitoring device |
| CN116047336A (en) * | 2023-03-27 | 2023-05-02 | 深圳市铂纳特斯自动化科技有限公司 | Battery formation monitoring method and device |
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Granted publication date: 20180515 Termination date: 20190915 |