CN213402473U - Circuit for intelligently adjusting battery charging current - Google Patents
Circuit for intelligently adjusting battery charging current Download PDFInfo
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- CN213402473U CN213402473U CN202021312955.8U CN202021312955U CN213402473U CN 213402473 U CN213402473 U CN 213402473U CN 202021312955 U CN202021312955 U CN 202021312955U CN 213402473 U CN213402473 U CN 213402473U
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Abstract
The utility model discloses a circuit for intelligently adjusting battery charging current, which comprises a voltage input end before voltage stabilization and a voltage output end after voltage stabilization, wherein a DC/DC controller is electrically connected between the voltage input end before voltage stabilization and the voltage output end after voltage stabilization, a DC/DC converter is arranged between the voltage input end before voltage stabilization and the voltage output end after voltage stabilization, a battery is arranged between the voltage output end after voltage stabilization and the DC/DC converter, and the battery is electrically connected with a grounding end; by arranging the power supply circuit topology, when the input power and the current are limited, the power supply circuit topology preferentially supplies power to the system load, and the power supply circuit topology can provide low-loss reverse current protection, high-efficiency charging and discharging of the battery and instant on operation, thereby ensuring that the system power supply exists when a power plug is plugged even if the battery is not charged or is deeply discharged.
Description
Technical Field
The utility model belongs to the technical field of charging circuit, concretely relates to intelligent regulation battery charging current's circuit.
Background
The existing battery charging controller is mainly limited to a voltage reduction type framework, when a large-capacity battery formed by connecting a plurality of lithium ion batteries in series is charged, the problem that the input voltage range is higher or lower than the battery voltage range occurs, and therefore a circuit for intelligently adjusting the charging current of the battery is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit of intelligent regulation battery charging current to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a circuit of intelligent regulation battery charging current, voltage input end and steady voltage back voltage output end before the steady voltage, electric connection has DC controller before the steady voltage between voltage input end and the steady voltage back voltage output end, just install DC converter before the steady voltage between voltage input end and the steady voltage back voltage output end, be provided with the battery after the steady voltage between voltage output end and the DC converter, battery electric connection has the earthing terminal.
Further, the DC/DC converter includes a first protection element, a second protection element, a third protection element, a fourth protection element, a fifth protection element, and a sixth protection element, the pre-regulated voltage input terminal is electrically connected to the second protection element, and the DC/DC controller is electrically connected to the first protection element.
Furthermore, the first protection element is electrically connected with a sixth protection element, the sixth protection element is electrically connected with a fourth protection element, and the fourth protection element is electrically connected with the voltage-stabilized output end.
Furthermore, the second protection element is electrically connected with the third protection element, and the third protection element is electrically connected with the regulated voltage output end.
Further, the second protection element is electrically connected to a fifth protection element, and the fifth protection element is electrically connected to the regulated voltage output terminal.
Furthermore, one side of the first protection element is electrically connected with the third protection element, the fifth protection element and the sixth protection element.
Compared with the prior art, the beneficial effects of the utility model reside in that:
by arranging the power supply circuit topology, when the input power and the current are limited, the power supply circuit topology preferentially supplies power to the system load, and the power supply circuit topology can provide low-loss reverse current protection, high-efficiency charging and discharging of the battery and instant on operation, thereby ensuring that the system power supply exists when a power plug is plugged even if the battery is not charged or is deeply discharged.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a circuit block diagram of the present invention;
fig. 2 is a circuit diagram of the DC/DC converter of the present invention;
in the figure: 1. a regulated voltage front input; 2. a DC/DC controller; 3. a regulated voltage output terminal; 4. a battery; 5. a ground terminal; 6. a DC/DC converter; 7. a first protection element; 8. a second protection element; 10. a third protection element; 11. a fourth protection element; 12. a fifth protective element; 13. and a sixth protection element.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a circuit of intelligent regulation battery charging current, voltage input end 1 and steady voltage back voltage output 3 before the steady voltage, before the steady voltage between voltage input end 1 and the steady voltage back voltage output 3 electric connection have DC controller 2, and install DC converter 6 before the steady voltage between voltage input end 1 and the steady voltage back voltage output 3, be provided with battery 4 after the steady voltage between voltage output end 3 and DC converter 6, battery 4 electric connection has earthing terminal 5.
In this embodiment, the DC/DC converter 6 further includes a first protection element 7, a second protection element 8, a third protection element 10, a fourth protection element 11, a fifth protection element 12, and a sixth protection element 13, the voltage input terminal 1 before voltage stabilization is electrically connected to the second protection element 8, the DC/DC controller 2 is electrically connected to the first protection element 7, the first protection element 7 is electrically connected to the sixth protection element 13, the sixth protection element 13 is electrically connected to the fourth protection element 11, and the fourth protection element 11 is electrically connected to the voltage output terminal 3 after voltage stabilization.
In this embodiment, the second protection device 8 is electrically connected to the third protection device 10, and the third protection device 10 is electrically connected to the regulated voltage output terminal 3.
In this embodiment, the second protection device 8 is further electrically connected to the fifth protection device 12, and the fifth protection device 12 is electrically connected to the regulated voltage output terminal 3.
In this embodiment, one side of the first protection element 7 is electrically connected to the third protection element 10, the fifth protection element 12 and the sixth protection element 13.
The utility model discloses a theory of operation and use flow: when the device is used, the current is processed by the battery 4, and when the input power and the current of the voltage input end 1 are limited before voltage stabilization, the device preferentially supplies power to a system load, so that the device can provide low-loss reverse current protection, high-efficiency charging and discharging of the battery, and instant on operation, thereby ensuring that a system power supply exists when a power plug is plugged even if the battery is dead or deeply discharged, the circuit can provide accurate input and charging current regulation, and can operate in a wide input and output voltage range of 3V to 60V, thereby being compatible with various differential input voltage sources, battery packs and chemical compositions of the battery 4, and being applicable to high-power battery charger systems, high-performance portable instruments, battery backup systems, equipment provided with industrial batteries and notebook computers.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a circuit of intelligent regulation battery charging current, its characterized in that, voltage output (3) after voltage input (1) and the steady voltage before the steady voltage, electric connection has DC controller (2) between voltage input (1) and the voltage output (3) after the steady voltage before the steady voltage, just install DC converter (6) between voltage input (1) and the voltage output (3) after the steady voltage before the steady voltage, be provided with battery (4) between voltage output (3) and DC converter (6) after the steady voltage, battery (4) electric connection has earthing terminal (5).
2. The circuit of claim 1, wherein the circuit is configured to intelligently regulate battery charging current: the DC/DC converter (6) comprises a first protection element (7), a second protection element (8), a third protection element (10), a fourth protection element (11), a fifth protection element (12) and a sixth protection element (13), wherein the voltage input end (1) before voltage stabilization is electrically connected with the second protection element (8), and the DC/DC controller (2) is electrically connected with the first protection element (7).
3. The circuit of claim 2, wherein the circuit is configured to intelligently regulate battery charging current: the first protection element (7) is electrically connected with a sixth protection element (13), the sixth protection element (13) is electrically connected with a fourth protection element (11), and the fourth protection element (11) is electrically connected with the voltage-stabilized rear voltage output end (3).
4. The circuit of claim 2, wherein the circuit is configured to intelligently regulate battery charging current: the second protection element (8) is electrically connected with the third protection element (10), and the third protection element (10) is electrically connected with the regulated voltage output end (3).
5. The circuit of claim 2, wherein the circuit is configured to intelligently regulate battery charging current: the second protection element (8) is electrically connected to a fifth protection element (12), and the fifth protection element (12) is electrically connected with the regulated voltage output end (3).
6. The circuit of claim 2, wherein the circuit is configured to intelligently regulate battery charging current: one side of the first protection element (7) is electrically connected with the third protection element (10), the fifth protection element (12) and the sixth protection element (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021312955.8U CN213402473U (en) | 2020-07-07 | 2020-07-07 | Circuit for intelligently adjusting battery charging current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021312955.8U CN213402473U (en) | 2020-07-07 | 2020-07-07 | Circuit for intelligently adjusting battery charging current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213402473U true CN213402473U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021312955.8U Active CN213402473U (en) | 2020-07-07 | 2020-07-07 | Circuit for intelligently adjusting battery charging current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213402473U (en) |
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2020
- 2020-07-07 CN CN202021312955.8U patent/CN213402473U/en active Active
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