CN219436660U - Battery pack with Type-C interface - Google Patents
Battery pack with Type-C interface Download PDFInfo
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- CN219436660U CN219436660U CN202223158109.7U CN202223158109U CN219436660U CN 219436660 U CN219436660 U CN 219436660U CN 202223158109 U CN202223158109 U CN 202223158109U CN 219436660 U CN219436660 U CN 219436660U
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- display lamp
- interface
- lithium battery
- battery protection
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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
Abstract
The utility model relates to a battery pack with a Type-C interface, which comprises the following components: the lithium battery protection professional chip is electrically connected with the battery cell unit through the power module, the lithium battery protection professional chip is electrically connected with the battery cell unit, the lithium battery protection professional chip is electrically connected with the Type-C interface module and the power module, the lithium battery protection professional chip controls the power module to charge the battery cell unit to be turned on or turned off through outputting a first signal, the lithium battery protection professional chip is electrically connected with the display lamp, and the lithium battery protection professional chip controls the display lamp to be turned off through outputting a second signal. This battery package charges through Type-C interface module, can abandon the configuration that uses the charger, reduce professional charger, reduce cost.
Description
Technical Field
The application relates to the technical field of battery packs, in particular to a battery pack with a Type-C interface.
Background
Battery packs are often equipped in the power tool industry to supply power, however, battery packs also require the use of a specialized charger and charging the battery pack through an autonomous design interface, or through a specialized DC interface such as a round. Therefore, a specialized charger is required to charge the battery pack, and portability is not high. In addition, since different countries are associated with different security certificates, different power lines, plugs, etc., if the electric power is required to be exported to different countries, different chargers are required to be designed and provided correspondingly. Meanwhile, the charger has the advantages of complex structure, high cost and high maintenance difficulty.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a battery pack with a Type-C interface, comprising: the lithium battery protection device comprises a battery cell unit, a Type-C interface module, a power module and a lithium battery protection professional chip, wherein the Type-C interface module is electrically connected with the battery cell unit through the power module, the lithium battery protection professional chip is electrically connected with the battery cell unit, the lithium battery protection professional chip is also electrically connected with the Type-C interface module and the power module, and the lithium battery protection professional chip controls the power module to charge the battery cell unit to be started or closed through outputting a first signal.
Further, the lithium battery protection professional chip is connected to the power module through an enable EN pin, when the enable EN pin is at a low level, the power module charges the battery cell unit, and when the enable EN pin is at a high level, the power module stops charging the battery cell unit.
Further, the Type-C interface module is not compatible with the Power Delivery specification.
Further, the lithium battery protection professional chip is electrically connected with the display lamp, and the lithium battery protection professional chip controls the turn-off of the display lamp by outputting a second signal.
Further, the display lamps include a first display lamp and a second display lamp, one of the first display lamp and the second display lamp indicates that the battery cell unit is being charged, and the other of the first display lamp and the second display lamp indicates that the battery cell unit is charged.
Further, the first display lamp is connected to the lithium battery protection professional chip in series through the first MOS tube and one resistor, the second display lamp is connected to the lithium battery protection professional chip in series through the second MOS tube and the other resistor, the first display lamp is connected with the second display lamp through the second MOS tube, and the other ends of the first display lamp and the second display lamp are grounded.
Further, the first display lamp and the second display lamp are electrically connected to the lithium battery protection professional chip through a CO pin, when the CO pin outputs a high level, the first MOS tube is turned on to control the first display lamp to be turned on, and when the CO pin outputs a low level, the first MOS tube is turned off.
Further, the second MOS tube is connected to the lithium battery protection professional chip through an enable EN pin, the CO pin outputs a low level, and when the enable EN pin is at a high level, the second MOS tube is turned on to control the second display lamp to be turned on.
Further, the first display lamp indicates that charging is completed, and the second display lamp indicates that charging is in progress.
Further, the battery cell module further comprises a discharging interface module, the discharging interface module is electrically connected with the battery cell unit, the battery cell unit is charged through the Type-C interface module, and the battery cell unit is discharged through the discharging interface module.
The beneficial effects are that:
the battery pack is charged through the Type-C interface, so that the charger can be abandoned, the configuration of a professional charger is reduced, the battery pack is applicable to various countries, and the trouble that different chargers are required to be equipped in different countries of the traditional charger is solved. In addition, whether the power supply module is charged or not is controlled through the output signal of the lithium battery protection professional chip, fewer electric elements are adopted, the indication function of the charged electric quantity is realized by using a simple circuit, and meanwhile, the lamp turning precision is high. In addition, the battery pack can be charged without using a PD protocol (Power Delivery).
Drawings
Fig. 1 is a front view of a battery pack in an embodiment of the present utility model.
Fig. 2 is a top view of a battery pack in an embodiment of the utility model.
Fig. 3 is a control circuit diagram of a battery pack in an embodiment of the present utility model.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application.
The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "plurality" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper" and the like are merely for convenience of description and are not limited to one element or article comprising "the front" or "comprising" appearing in the following list of elements or articles and their equivalents, but do not exclude other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
The embodiment provides a battery pack 100 with a Type-C interface, as shown in fig. 1, the battery pack 100 with a Type-C interface includes: the lithium battery protection device comprises a battery cell unit 1, a Type-C interface module 2, a power module 6 and a lithium battery protection professional chip 7, wherein the Type-C interface module 2 is electrically connected with the battery cell unit 1 through the power module 6, the lithium battery protection professional chip 7 is electrically connected with the battery cell unit 1, the lithium battery protection professional chip 7 is also electrically connected with the Type-C interface module 2 and the power module 6, and the lithium battery protection professional chip 7 controls the power module 6 to be opened or closed for charging the battery cell unit through outputting a first signal.
This battery package 100 charges through Type-C interface, can abandon the configuration that uses the charger, reduces professional charger, can be applicable to each country simultaneously, solves traditional charger and needs to be equipped with the trouble of different chargers in different countries.
The battery pack 100 integrates a battery processing chip, a battery management chip, a memory, etc. into the lithium battery protection professional chip 7. Specifically, in this embodiment, the lithium battery protection professional chip 7 is a CW1233 chip.
As shown in fig. 3, the lithium battery protection professional chip 7 is connected with the battery cell unit 1, and after two resistors are connected in series, the two resistors are connected with the battery cell unit 1 in parallel to the lithium battery protection professional chip 7, and are connected through a b±pin for monitoring the charging state of the battery cell unit 1. The power module 6 is connected to the lithium battery protection professional chip 7 through a B+ pin, and the Type-C interface module 2 is connected to the lithium battery protection professional chip 7 through two resistors and is connected through a C+ pin.
The lithium battery protection professional chip 7 is connected to the power module 6 through an enable EN pin, when the enable EN pin is at a low level, the power module 6 charges the battery cell, and when the enable EN pin is at a high level, the power module 6 stops charging the battery cell.
The Type-C interface module of this battery package is connected the data line, and the other end of data line is connected the power and can be charged this battery package. One end of the data line is a USB C-Type interface, and is matched with the Type-C interface module of the battery pack, and the other end of the data line can be a USB A-Type interface or a USB C-Type interface. After the battery pack 100 is connected with a power supply through a data line, the lithium battery protection professional chip 7 can control the power supply module 6 to charge the battery cell unit by sending a signal to the power supply module 6, and can send a signal to the power supply module 6 to stop charging the battery cell unit after full charge.
The charging control circuit of the battery pack 100 does not need to realize full turn-off through a traditional charging MOS tube, and only needs to output a first signal through the lithium battery protection professional chip 7 to control whether the power module 6 is charged or not. Compared with the traditional mode, the electric element air piece is fewer, so that the cost can be reduced, and the reliability of charging can be improved.
In addition, in this embodiment, the charging voltage charged through the Type-C interface module is not higher than 6V. Preferably, an output voltage of 5V/3A is used to charge the cell unit 1 via the power module 6. Namely, the Type-C interface module 2 is not compatible with the Power Delivery specification, and does not adopt a quick charging mode, but the charging mode is close to the charging time of the traditional charger, so that the charger can be omitted, the cost is greatly reduced, and the convenience and the universality of the product use are improved.
The battery pack 100 further comprises a display lamp electrically connected with the lithium battery protection professional chip 7, and the lithium battery protection professional chip 7 controls the turn-off of the display lamp by outputting a second signal.
As shown in fig. 3, in the control circuit of the battery pack 100, the display lamp is connected to the lithium battery protection professional chip 7 through a CO pin.
Specifically, the display lamps in this embodiment include a first display lamp 4 and a second display lamp 5, where one of the first display lamp 4 and the second display lamp 5 indicates that the battery cell unit 1 is being charged, and the other indicates that the battery cell unit 1 is charged.
The first display lamp 4 is connected to the lithium battery protection professional chip 7 in series through a first MOS tube 8 and one resistor, the second display lamp 5 is connected to the lithium battery protection professional chip 7 in series through a second MOS tube 9 and the other resistor, the first display lamp 4 and the second display lamp 5 are connected through the second MOS tube 9, and the other ends of the first display lamp 4 and the second display lamp 5 are grounded.
The first display lamp 4 and the second display lamp 5 are electrically connected to the lithium battery protection professional chip 7 through a CO pin, the function of the CO pin is to judge that a single voltage is full or overcharged, specifically, when the CO pin outputs a high level, the first MOS tube 8 is opened, the first display lamp 4 is controlled to be opened, and when the CO pin outputs a low level, the first MOS tube 8 is closed.
The second MOS tube 9 is connected to the lithium battery protection professional chip 7 through an enable EN pin, the CO pin outputs a low level, and when the enable EN pin is at a high level, the second MOS tube 9 is turned on, and the second display lamp 5 is controlled to be turned on.
In a specific embodiment, the first display light 4 is green, indicating that the battery pack 100 has been charged. The second display lamp 5 is red, indicating that the battery pack 100 is being charged. Of course, in other embodiments, the colors of the first display lamp 4 and the second display lamp 5 may be changed.
The battery pack 100 outputs the second signal to control the on-off of the first display lamp 4 and the second display lamp 5 according to the state of the battery cell unit 1 through the lithium battery protection professional chip 7, and compared with the traditional circuit frame structure, the battery pack is simpler, and meanwhile, the lamp turning precision is higher.
In another preferred embodiment, the battery pack 100 further includes a discharging interface module 3, the discharging interface module 3 is electrically connected to the battery cell unit 1, the battery cell unit 1 is charged through the Type-C interface module 2, and the battery cell unit 1 is discharged through the discharging interface module 3. The discharging interface module 3 adopts a universal interface which can be connected with the electric tool in an adapting way, so that the electric energy can be conveniently provided for the electric tool under the condition of not changing the electric connection interface of the electric tool.
The foregoing description is only a preferred embodiment of the present application, and is not intended to limit the utility model to the particular embodiment disclosed, but is not intended to limit the utility model to the particular embodiment disclosed, as the equivalent of some alterations or modifications can be made without departing from the scope of the present application.
Claims (10)
1. A battery pack with a Type-C interface, comprising: the lithium battery protection device comprises a battery cell unit, a Type-C interface module, a power module and a lithium battery protection professional chip, wherein the Type-C interface module is electrically connected with the battery cell unit through the power module, the lithium battery protection professional chip is electrically connected with the battery cell unit, the lithium battery protection professional chip is also electrically connected with the Type-C interface module and the power module, and the lithium battery protection professional chip controls the power module to charge the battery cell unit to be started or closed through outputting a first signal.
2. The battery pack with Type-C interface of claim 1, wherein the lithium battery protection professional chip is connected to the power module through an enable EN pin, the power module charges the battery cell when the enable EN pin is low, and the power module stops charging the battery cell when the enable EN pin is high.
3. The battery pack with Type-C interface of claim 1, wherein the Type-C interface module is not compatible with the Power Delivery specification.
4. The battery pack with a Type-C interface of claim 1, further comprising a display lamp electrically connected to the lithium battery protection professional chip, wherein the lithium battery protection professional chip controls the turn-off of the display lamp by outputting a second signal.
5. The battery pack with Type-C interface of claim 4, wherein the display lights comprise a first display light and a second display light, one of the first display light and the second display light indicating that the cell is being charged, wherein the other indicates that the cell is charged.
6. The battery pack with the Type-C interface according to claim 5, wherein the first display lamp is connected to the lithium battery protection professional chip in series through a first MOS tube and one resistor, the second display lamp is connected to the lithium battery protection professional chip in series through a second MOS tube and the other resistor, the first display lamp and the second display lamp are connected through the second MOS tube, and the other ends of the first display lamp and the second display lamp are grounded.
7. The battery pack with the Type-C interface according to claim 6, wherein the first display lamp and the second display lamp are electrically connected to the lithium battery protection professional chip through a CO pin, the first MOS tube is turned on when the CO pin outputs a high level, the first display lamp is controlled to be turned on, and the first MOS tube is turned off when the CO pin outputs a low level.
8. The battery pack with the Type-C interface according to claim 7, wherein the second MOS transistor is connected to the lithium battery protection professional chip through an enable EN pin, the CO pin outputs a low level, and when the enable EN pin is a high level, the second MOS transistor is turned on to control the second display lamp to be turned on.
9. The battery pack with Type-C interface of claim 8, wherein the first display light indicates that charging is complete and the second display light indicates that charging is in progress.
10. The battery pack with Type-C interface of claim 1, further comprising a discharge interface module electrically connected with the cell unit, wherein the cell unit is charged through the Type-C interface module, and wherein the cell unit is discharged through the discharge interface module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223158109.7U CN219436660U (en) | 2022-11-28 | 2022-11-28 | Battery pack with Type-C interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223158109.7U CN219436660U (en) | 2022-11-28 | 2022-11-28 | Battery pack with Type-C interface |
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| Publication Number | Publication Date |
|---|---|
| CN219436660U true CN219436660U (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223158109.7U Active CN219436660U (en) | 2022-11-28 | 2022-11-28 | Battery pack with Type-C interface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154897A (en) * | 2023-10-30 | 2023-12-01 | 广东高普达集团股份有限公司 | Battery pack processing device and electronic equipment |
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2022
- 2022-11-28 CN CN202223158109.7U patent/CN219436660U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154897A (en) * | 2023-10-30 | 2023-12-01 | 广东高普达集团股份有限公司 | Battery pack processing device and electronic equipment |
| CN117154897B (en) * | 2023-10-30 | 2024-04-09 | 广东高普达集团股份有限公司 | Battery pack processing device and electronic equipment |
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