CN212380522U - Low-temperature charging and discharging intelligent battery pack and terminal - Google Patents
Low-temperature charging and discharging intelligent battery pack and terminal Download PDFInfo
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- CN212380522U CN212380522U CN202021411593.8U CN202021411593U CN212380522U CN 212380522 U CN212380522 U CN 212380522U CN 202021411593 U CN202021411593 U CN 202021411593U CN 212380522 U CN212380522 U CN 212380522U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a low temperature charge-discharge intelligent battery group and terminal, this low temperature charge-discharge intelligent battery group include the casing, install in chargeable and dischargeable group battery in the casing, chargeable and dischargeable group battery includes a plurality of low temperature electric cores, low temperature charge-discharge intelligent battery group still including install in on the casing, be used for showing the power indicator lamp plate of a plurality of low temperature electric core electric quantities, the power indicator lamp plate with a plurality of low temperature electric cores are connected. The utility model discloses can support the low temperature lithium battery scheme that charges of-20 degrees, solve the multiplying power demand of discharging of 0.2C ~ 2C under the-40 degree environment, and can accurately learn the electric quantity information of battery under the low temperature charge-discharge condition, ensure that the user reads accurate battery electric quantity information from the battery, avoid the relevant serious consequence that the outage brought suddenly.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a low temperature charge-discharge intelligent battery group and terminal.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. The conventional lithium battery has the following disadvantages:
1. the traditional lithium battery can not be normally charged and discharged or has low efficiency under the following conditions:
A. charging is not supported below 0 ℃, and the battery explosion risk can occur when the battery is charged forcibly;
B. discharging at-20 ℃ below zero with small current of 0.2-0.5 ℃, and no energy is released when the discharge exceeds the minimum current;
C. the discharge efficiency of 0.2C at low temperature (below minus 20 ℃) is low, and is generally 50% -60% lower than that at normal temperature;
E. 40 degrees can not discharge, and even does not support 40 degrees of large current discharge (2C multiplying power);
2. the information of the accurate electric quantity of battery can't be learnt to conventional lithium cell, often appears the condition that battery electric quantity exhausts the outage in special place, causes serious loss.
Therefore, there is a strong need to provide a solution to support low-temperature charging and low-temperature high-rate discharging of the battery pack, and to meet the needs of users in different application fields.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides one kind can charge and discharge under low temperature state to conveniently read the low temperature charge-discharge intelligent battery group and the terminal of accurate battery power, aim at realizing satisfying the accurate electric quantity information of learning the battery simultaneously under the low temperature charge-discharge condition, ensure that the user reads accurate battery power information from the battery, avoid the relevant serious consequence that the outage brought suddenly.
In order to achieve the above object, the embodiment of the utility model provides a low temperature charge-discharge intelligent battery pack, including the casing, install in but the charge-discharge battery pack in the casing, but the charge-discharge battery pack includes a plurality of low temperature electric cores, low temperature charge-discharge intelligent battery pack still including install in on the casing, be used for showing the power indicator lamp plate of a plurality of low temperature electric core electric quantities, the power indicator lamp plate with a plurality of low temperature electric cores are connected.
Optionally, the plurality of low-temperature battery cores are connected in parallel through the nickel sheet part, and a plurality of low-temperature battery core groups connected in parallel are connected in series.
Optionally, the low-temperature charging and discharging intelligent battery pack further comprises an intelligent protection board arranged on the plurality of low-temperature battery cells.
Optionally, the low-temperature battery cores are connected in parallel through the nickel sheet part, and a plurality of low-temperature battery core groups connected in parallel are connected in series and then connected with the intelligent protection board.
Optionally, the one end of intelligence protection shield with the electric quantity indicator lamp plate passes through the FPC soft arranging wire and connects.
Optionally, the casing include the upper casing and with the lower casing that the upper casing is connected, the electric quantity indicator lamp plate install in on the upper casing, be provided with output port on the casing down, the other end of intelligence protection shield with output port connects.
Optionally, the upper casing and the lower casing surround a cavity for mounting the rechargeable battery assembly, and the rechargeable battery assembly is welded in the cavity by an ultrasonic welding machine.
In order to achieve the above object, the embodiment of the present invention further provides a terminal, where the terminal includes the low temperature charging and discharging intelligent battery pack as described above.
The embodiment of the utility model provides a low temperature charge-discharge intelligent battery group and terminal: the low temperature charge-discharge intelligent battery pack comprises a shell, a chargeable-discharge battery pack arranged in the shell, wherein the chargeable-discharge battery pack comprises a plurality of low temperature electric cores, the low temperature charge-discharge intelligent battery pack further comprises an electric quantity indicator lamp plate arranged on the shell and used for displaying electric quantities of the plurality of low temperature electric cores, the electric quantity indicator lamp plate is connected with the plurality of low temperature electric cores and can support a low temperature charging lithium battery scheme of-20 ℃, the requirement of 0.2C-2C rate discharge under a-40-degree environment is met, the electric quantity information of the battery can be accurately known under the low temperature charge-discharge condition, the fact that a user reads accurate battery electric quantity information from the battery is guaranteed, and relevant serious consequences caused by sudden power failure are avoided.
Drawings
Fig. 1 is an exploded view of the embodiment of the low-temperature charging and discharging intelligent battery pack of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
30 | Electric quantity |
| 101 | |
40 | |
| 102 | |
50 | |
| 1021 | Output ofPort(s) | 60 | Flexible Printed Circuit (FPC) flexible |
| 20 | Low-temperature battery cell |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Consider that there is not low temperature charge and discharge lithium cell scheme in the terminal application of low temperature charging or discharging among the prior art to low temperature lithium cell among the prior art can't provide accurate electric quantity, guarantees to learn the electric quantity information of battery under the scene of key moment, makes and changes the battery in advance, and stand-by power supply etc. prepares, from this, the utility model provides a low temperature charge and discharge intelligent battery group.
The utility model discloses low temperature charge-discharge intelligent battery group can support the low temperature lithium cell scheme that charges of-20 degrees, has solved the demand that 0.2C ~ 2C's multiplying power discharged under the-40 degree environment, and can accurately learn the electric quantity information of battery under the low temperature charge-discharge condition, ensures that the user reads accurate battery electric quantity information from the battery, avoids the relevant serious consequence that the outage brought suddenly.
Specifically, referring to fig. 1, fig. 1 is an exploded schematic view of a preferred embodiment of the low-temperature charging and discharging intelligent battery pack of the present invention.
As shown in fig. 1, in this embodiment, the low-temperature charging and discharging intelligent battery pack includes a casing 10, and a chargeable and dischargeable battery pack installed in the casing 10, where the chargeable and dischargeable battery pack includes a plurality of low-temperature battery cells 20, the low-temperature charging and discharging intelligent battery pack further includes an electric quantity indicator lamp panel 30 installed on the casing 10 and configured to display electric quantities of the plurality of low-temperature battery cells 20, and the electric quantity indicator lamp panel 30 is connected to the plurality of low-temperature battery cells 20.
The low-temperature battery cell 20 is a special battery developed for the inherent low-temperature defect of the performance of the chemical power supply, in the embodiment, the chargeable and dischargeable battery pack adopts a plurality of low-temperature battery cells 20, the charging at 0-20 ℃ is supported, and the charging efficiency reaches 100% of the normal temperature; supporting-20-degree 8C-rate discharge, and achieving 80-85% of discharge rate at-20 ℃ or below and 0.2C discharge rate at normal temperature; the efficiency of 2C discharge below-30 ℃ to the normal temperature reaches 83 percent, the efficiency of 4C discharge below-30 ℃ to the normal temperature reaches 80 percent, the efficiency of 8C discharge below-30 ℃ to the normal temperature reaches 85 percent, and the efficiency of 0.2C discharge at-40 ℃ to the normal temperature reaches 75 percent; 40 degrees support 1-2C high current discharge: the 1C discharge rate to normal temperature efficiency reaches 76%, and the 2C discharge rate to normal temperature efficiency reaches 80%.
In addition, this embodiment passes through electric quantity indicator lamp plate 30, can accurately learn the electric quantity information of battery, ensures that the user reads accurate battery electric quantity information from the battery, avoids the relevant serious consequence that the outage brought suddenly.
Further, as an embodiment, a plurality of low-temperature battery cells 20 may be connected in series after being connected in parallel through the nickel plate 40.
Nickel is a silver-white metal, has magnetism and good plasticity, is a hard and ductile metallic element having ferromagnetism, and is highly polished and resistant to corrosion. In this embodiment, the nickel sheet 40 is connected to the low-temperature battery cell 20, so that corrosion of the low-temperature battery cell 20 can be avoided, and the service life of the battery cell is prolonged.
Further, as an implementation manner, in this embodiment, the low-temperature charging and discharging intelligent battery pack further includes an intelligent protection board 50 disposed on the plurality of low-temperature battery cells 20.
The plurality of low-temperature battery cells 20 are firstly connected in parallel through the nickel sheets 40, and then connected with the intelligent protection board 50 after a plurality of low-temperature battery cell groups connected in parallel are connected in series.
As an implementation manner, in the present embodiment, four low-temperature battery cells 20 are used, and the four low-temperature battery cells 20 are connected in series two by two through the nickel sheets 40, and then connected in parallel and then connected to the intelligent protection board 50.
One end of the intelligent protection board 50 is connected with the electric quantity indicator lamp panel 30 through an FPC (flexible printed circuit) flexible flat cable 60.
Further, in this embodiment, the housing 10 includes an upper housing 101 and a lower housing 102 connected to the upper housing 101, the electric quantity indicator lamp panel 30 is installed on the upper housing, an output port 1021 is provided on the lower housing 102, and the other end of the intelligent protection board 50 is connected to the output port 1021.
The upper case 101 and the lower case 102 surround and form a cavity for mounting the rechargeable battery pack, and the rechargeable battery pack is welded in the cavity by an ultrasonic welding machine.
The utility model discloses low temperature charge-discharge intelligent battery pack's beneficial effect is: the utility model discloses low temperature charge-discharge intelligent battery group include the casing, install in chargeable and dischargeable battery group in the casing, chargeable and dischargeable battery group includes a plurality of low temperature electric cores, low temperature charge-discharge intelligent battery group still including install in on the casing, be used for showing the electricity indicator lamp plate of a plurality of low temperature electric core electric quantities, electricity indicator lamp plate with a plurality of low temperature electric cores are connected, can support the low temperature lithium cell scheme that charges of-20 degrees, have solved the discharge demand of 0.2C ~ 2C's multiplying power under the-40 degree environment, and can accurately learn the electric quantity information of battery under the low temperature charge-discharge condition, ensure that the user reads accurate battery electric quantity information from the battery, avoid the relevant serious consequence that the outage brought suddenly.
In order to achieve the above object, the utility model discloses still provide a terminal, the terminal includes as above embodiment the low temperature charge-discharge intelligent battery group, the structural principle of low temperature charge-discharge intelligent battery group has been elaborated on, and it is no longer repeated here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (8)
1. The utility model provides a low temperature charge-discharge intelligent battery pack, its characterized in that, include the casing, install in but the charge-discharge battery pack in the casing, but the charge-discharge battery pack includes a plurality of low temperature electric cores, low temperature charge-discharge intelligent battery pack still including install in on the casing, be used for showing the electric quantity indicator lamp plate of a plurality of low temperature electric core electric quantities, the electric quantity indicator lamp plate with a plurality of low temperature electric cores are connected.
2. The intelligent battery pack with low-temperature charging and discharging according to claim 1, wherein the low-temperature battery cells are connected in parallel through a nickel plate part, and a plurality of low-temperature battery cells connected in parallel are connected in series.
3. The intelligent low-temperature charging and discharging battery pack according to claim 2, further comprising an intelligent protection board disposed on the plurality of low-temperature cells.
4. The intelligent low-temperature charging and discharging battery pack according to claim 3, wherein the plurality of low-temperature battery cells are connected in parallel through the nickel plate part, and the plurality of low-temperature battery cell groups connected in parallel are connected in series and then are connected with the intelligent protection board.
5. The intelligent battery pack of claim 3, wherein one end of the intelligent protection board is connected to the electricity indicator lamp panel through an FPC flexible flat cable.
6. The intelligent battery pack with low-temperature charging and discharging according to claim 5, wherein the casing comprises an upper casing and a lower casing connected with the upper casing, the electric quantity indicator lamp panel is mounted on the upper casing, an output port is arranged on the lower casing, and the other end of the intelligent protection board is connected with the output port.
7. The intelligent battery pack with low temperature charging and discharging according to claim 6, wherein the upper case and the lower case surround to form a cavity for mounting the rechargeable and dischargeable battery assembly, and the rechargeable and dischargeable battery assembly is welded in the cavity by an ultrasonic welding machine.
8. A terminal, characterized in that the terminal comprises a low-temperature charging and discharging intelligent battery pack according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021411593.8U CN212380522U (en) | 2020-07-16 | 2020-07-16 | Low-temperature charging and discharging intelligent battery pack and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021411593.8U CN212380522U (en) | 2020-07-16 | 2020-07-16 | Low-temperature charging and discharging intelligent battery pack and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212380522U true CN212380522U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021411593.8U Active CN212380522U (en) | 2020-07-16 | 2020-07-16 | Low-temperature charging and discharging intelligent battery pack and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212380522U (en) |
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- 2020-07-16 CN CN202021411593.8U patent/CN212380522U/en active Active
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