CN213185601U - Lithium battery pack balancing instrument - Google Patents

Lithium battery pack balancing instrument Download PDF

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Publication number
CN213185601U
CN213185601U CN202021446819.8U CN202021446819U CN213185601U CN 213185601 U CN213185601 U CN 213185601U CN 202021446819 U CN202021446819 U CN 202021446819U CN 213185601 U CN213185601 U CN 213185601U
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CN
China
Prior art keywords
battery pack
balancing instrument
lithium battery
lithium
power supply
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Active
Application number
CN202021446819.8U
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Chinese (zh)
Inventor
刘中维
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Chongqing Yaoding New Energy Technology Co.,Ltd.
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Chongqing Lujubao New Energy Technology Co ltd
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Priority to CN202021446819.8U priority Critical patent/CN213185601U/en
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Publication of CN213185601U publication Critical patent/CN213185601U/en
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    • 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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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The utility model discloses a lithium battery pack balancing instrument, including balancing instrument and the control module of setting in balancing instrument body inside, balancing instrument body passes through power cord and 220V alternating current power supply electric connection, balancing instrument body openly upper end is equipped with a plurality of independent display screens and balancing instrument body openly is equipped with the switch corresponding with independent display screen, control module includes transformer, 4.2V AC/DC power module, is used for the break plate of voltage current distribution and is used for the interface of charge-discharge, 220V alternating current power supply, transformer, 4.2V AC/DC power module, break plate and interface connect gradually, be connected with the connecting wire on the interface, the connecting wire is connected with lithium battery pack data acquisition line, lithium battery pack data acquisition line is used for gathering the operating condition of lithium battery pack. Compared with the prior art, the utility model the advantage lie in: the operation is simple, the maintenance of the lithium battery pack is convenient, and the service life of the lithium battery pack can be prolonged.

Description

Lithium battery pack balancing instrument
Technical Field
The utility model relates to a lithium cell correlation technique field specifically indicates a lithium cell group equalizer.
Background
Lead-acid batteries are widely used in the postal and telecommunications, railway, electrical and other communications sectors. The novel multifunctional electric heating cooker has the advantages of convenience in use, stable performance, small maintenance amount and the like, and is popular with users. However, in use, the lead-acid storage battery is mainly used as a backup power supply and is in a float charging state most of the time. Under the state, the energy loss generated by self-discharge of the storage battery pack is compensated in the floating charging process; when the direct current power supply equipment breaks down, the storage battery provides electric energy for the load, and normal work of the load is guaranteed. However, when the battery pack is in floating charge operation, the terminal voltage of the single battery can generate imbalance phenomena for various reasons, and if the terminal voltage of the single battery cannot be processed in time, the service life of the whole battery pack is directly influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above technical defect, provide an easy operation, be convenient for maintain and can prolong lithium cell group life's a lithium cell group equalizer to lithium cell group.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a lithium battery pack balancing instrument, includes balancing instrument and sets up at the inside control module of balancing instrument body, balancing instrument body passes through power cord and 220V alternating current power supply electric connection, balancing instrument body openly is equipped with a plurality of independent display screens and balancing instrument body openly is equipped with the switch corresponding with independent display screen, control module includes transformer, 4.2V AC/DC power module, is used for the break plate of voltage current distribution and is used for the interface of charge-discharge, 220V alternating current power, transformer, 4.2V AC/DC power module, break plate and interface connect gradually, be connected with the connecting wire on the interface, the connecting wire is connected with lithium battery pack data acquisition line, lithium battery pack data acquisition line is used for gathering the operating condition of lithium battery pack.
As the improvement, the both sides of equalizer body all are equipped with the heat dissipation air outlet, heat dissipation air outlet department is equipped with the heat dissipation fan.
As an improvement, the independent display screen is used for displaying the current and the voltage of each electric core of the lithium-ion battery pack in real time.
As an improvement, a main power switch is arranged on the equalizer body.
Compared with the prior art, the utility model the advantage lie in: the lithium battery pack balancing instrument of the utility model utilizes the low-frequency transformer power supply circuit to change the 220V alternating current power supply into the required low-frequency low-voltage alternating current power supply, obtains a relatively stable direct current voltage through the rectifying circuit, obtains a lithium ion voltage through the sampling amplification and voltage stabilization of the module, simultaneously, a low current is released to carry out floating charging on the battery core, after a section of charging, the charging process can carry out constant voltage charging according to the power loss of the battery core and repair the battery core, after the repaired battery core is saturated, the device can carry out automatic adjustment charging according to different battery core vector differences, the charging process can be automatically stopped after each battery core is fully charged, and the current and the voltage of each battery core can be observed by the device in the charging process, the battery cell with the short circuit and the open circuit has a self-checking function, and the battery cell which cannot be used is easily found out, so that the maintenance of the lithium battery pack is facilitated, and the service life of the lithium battery pack is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the lithium battery pack balancing instrument of the present invention.
Fig. 2 is a schematic block diagram of the present invention.
As shown in the figure: 1. the balance instrument comprises a balance instrument body, 2, an independent display screen, 3, a switch, 4, a transformer, 5, 4.2V AC/DC power supply modules, 6, a distribution board, 7, an interface, 8, a connecting wire, 9, a heat dissipation air outlet, 10 and a power supply main switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.
With reference to the attached figures 1-2, a lithium battery pack balancing instrument comprises a balancing instrument 1 and a control module arranged inside the balancing instrument body 1, the balancing instrument body 1 is electrically connected with a 220V alternating current power supply through a power line, a plurality of independent display screens 2 are arranged at the upper end of the front surface of the balancing instrument body 1, switches 3 corresponding to the independent display screens 2 are arranged at the front surface of the balancing instrument body 1, the control module comprises a transformer 4, a 4.2V AC/DC power supply module 5, a distribution board 6 for voltage and current distribution and an interface 7 for charging and discharging, the 220V alternating current power supply, the transformer 4, the 4.2V AC/DC power supply module 5, the distribution board 6 and the interface 7 are connected in sequence, the interface 7 is connected with a connecting wire 8, the connecting wire 8 is connected with a lithium ion battery group data acquisition line, the lithium electronic battery pack data acquisition line is used for acquiring the working state of the lithium electronic battery pack.
The both sides of equalizer body 1 all are equipped with heat dissipation air outlet 9, heat dissipation air outlet 9 department is equipped with the heat dissipation fan.
The independent display screen 2 is used for displaying the current and the voltage of each electric core of the lithium-ion battery pack in real time.
The main power switch 10 is arranged on the balancing instrument body 1.
The utility model discloses at the concrete implementation in-process: the device can automatically adjust and charge according to different cell vector differences after each cell is fully charged, the charging process can be automatically stopped, the current and voltage of each cell can be observed in the charging process, and the device has a self-checking function for the cell with short circuit and broken circuit, the battery cell which can not be used is easily found out, so that the maintenance of the lithium battery pack is facilitated, and the service life of the lithium battery pack is prolonged.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (4)

1. The utility model provides a lithium cell group equalizer, includes equalizer body (1) and sets up at the inside control module of equalizer body (1), its characterized in that: the equalizer body (1) is electrically connected with a 220V alternating current power supply through a power line, the upper end of the front surface of the balancing instrument body (1) is provided with a plurality of independent display screens (2), the front surface of the balancing instrument body (1) is provided with switches (3) corresponding to the independent display screens (2), the control module comprises a transformer (4), a 4.2V AC/DC power supply module (5), a distribution board (6) for voltage and current distribution and an interface (7) for charging and discharging, the 220V alternating current power supply, the transformer (4), the 4.2V AC/DC power supply module (5), the distribution board (6) and the interface (7) are connected in sequence, the interface (7) is connected with a connecting wire (8), the connecting wire (8) is connected with a lithium ion battery group data acquisition line, the lithium electronic battery pack data acquisition line is used for acquiring the working state of the lithium electronic battery pack.
2. The lithium battery pack balancing instrument according to claim 1, wherein: the equalizer is characterized in that heat dissipation air outlets (9) are arranged on two sides of the equalizer body (1), and heat dissipation fans are arranged at the heat dissipation air outlets (9).
3. The lithium battery pack balancing instrument according to claim 1, wherein: the independent display screen (2) is used for displaying the current and the voltage of each electric core of the lithium-ion battery pack in real time.
4. The lithium battery pack balancing instrument according to claim 2, characterized in that: the equalizer body (1) is provided with a power supply main switch (10).
CN202021446819.8U 2020-07-21 2020-07-21 Lithium battery pack balancing instrument Active CN213185601U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021446819.8U CN213185601U (en) 2020-07-21 2020-07-21 Lithium battery pack balancing instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021446819.8U CN213185601U (en) 2020-07-21 2020-07-21 Lithium battery pack balancing instrument

Publications (1)

Publication Number Publication Date
CN213185601U true CN213185601U (en) 2021-05-11

Family

ID=75794320

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021446819.8U Active CN213185601U (en) 2020-07-21 2020-07-21 Lithium battery pack balancing instrument

Country Status (1)

Country Link
CN (1) CN213185601U (en)

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Effective date of registration: 20220527

Address after: 400000 room 103-105, 1st floor, building 1, No. 1, Yangguang Road, Tushan Town, Nan'an District, Chongqing

Patentee after: Chongqing Yaoding New Energy Technology Co.,Ltd.

Address before: 401519 No.7, 83 Shuyuan Road, South Office, Hechuan District, Chongqing

Patentee before: Chongqing lujubao New Energy Technology Co.,Ltd.