CN219554632U - Reverse charging circuit and reverse charging adapter - Google Patents
Reverse charging circuit and reverse charging adapter Download PDFInfo
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- CN219554632U CN219554632U CN202320584891.4U CN202320584891U CN219554632U CN 219554632 U CN219554632 U CN 219554632U CN 202320584891 U CN202320584891 U CN 202320584891U CN 219554632 U CN219554632 U CN 219554632U
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Abstract
The utility model discloses a reverse charging circuit and a reverse charging adapter, comprising a first wiring connector, a first power supply circuit, a reverse identification circuit and a charging master seat; the first wiring connector is used for being electrically connected with a charger power supply end; the input end of the first power supply circuit is electrically connected with the power output end of the first wiring connector, and the output end of the first power supply circuit is electrically connected with the reverse identification circuit to supply power to the reverse identification circuit; the reverse identification circuit is electrically connected with the charging master seat and is used for outputting power for charging the powered device plugged in the charging wire after protocol handshake identification is realized when the charging master seat is connected into the charging wire. Namely, the reverse identification circuit is used for identifying the charging wire inserted into the charging socket to achieve handshake identification, so that electric power is output for charging. The scheme can realize the charging requirement when the same charging wire is reversely inserted.
Description
Technical Field
The utility model relates to the technical field of chargers, in particular to a reverse charging circuit and a reverse charging adapter.
Background
A typical charging cord has two ports, one for plugging with a charger and the other for plugging with a powered device to effect charging. Often, some charging lines can only charge from one port to another, for example, a first end is plugged into a charger, a second end is plugged into a powered device, and charging can only be performed from the first end to the second end during charging. When reverse plug-in, namely the second end is plugged in with the charger, and the first end is plugged in with the powered device, charging cannot be achieved.
Therefore, the above technical problems need to be solved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a reverse charging circuit and a reverse charging adapter, and aims to realize charging of powered equipment when the power receiving equipment is respectively plugged into two ends of the same charging wire.
In order to solve the technical problems, the basic technical scheme provided by the utility model is as follows:
a reverse charging circuit comprises a first wiring connector, a first power supply circuit, a reverse identification circuit and a charging master seat;
the first wiring connector is used for being electrically connected with a charger power supply end;
the input end of the first power supply circuit is electrically connected with the power output end of the first wiring connector, and the output end of the first power supply circuit is electrically connected with the reverse identification circuit to supply power to the reverse identification circuit;
the reverse identification circuit is electrically connected with the charging master seat and is used for outputting power for charging the powered device plugged in the charging wire after protocol handshake identification is realized when the charging master seat is connected into the charging wire.
Further, the first wiring connector is a 6-pin direct-plug pin seat.
Further, the charging socket is a lightning ip5 socket.
Further, the reverse identification circuit comprises a control chip and a handshake identification branch, wherein one end of the handshake identification branch is connected to the DATA port of the lightning IP5 socket, and the other end of the handshake identification branch is connected to the control chip and used for realizing handshake identification with a charging wire plugged into the lightning IP5 socket.
Further, the reverse identification circuit further comprises a first resistor R1, a second resistor R2, a third resistor R3 and a second capacitor C2; the handshake identification branch is a fourth resistor R4;
one end of the first resistor R1 is connected with the first port of the control chip, and the other end of the first resistor R1 is connected to the CC interface end of the first wiring connector 10;
one end of the second resistor R2 is connected with a sixth port of the control chip, and the other end of the second resistor R2 is connected to the CC interface end of the first wiring connector 10;
one end of the third resistor R3 is connected to a fourth port of the control chip, and the other end of the third resistor R3 is connected to a power supply end of the first power supply circuit;
one end of the fourth resistor R4 is connected to the DATA end of the lightning IP5 base, and the other end of the fourth resistor R4 is connected to a fourth port of the control chip;
one end of the second capacitor C2 is connected to the first port of the control chip, and the other end of the second capacitor C is grounded.
Further, the D-and d+ ends of the lightning ip5 female socket are connected to the D-and d+ ends of the first wiring connector, respectively;
v of the LightningIP5 female socket BUS V-port and the first wiring connector BUS The ports are electrically connected.
Further, the input end of the first power supply circuit is electrically connected with the VIN port of the first wiring connector, and the output end of the first power supply circuit is electrically connected with the fourth port and the fifth port of the control chip.
In addition, a reverse charging adapter is provided, which is used for being in plug-in fit with a charger, and comprises a shell and a circuit module arranged in the shell, wherein the circuit module is any one of the reverse charging circuits; the first wiring connector and the charging socket are exposed out of the shell.
Further, the first wiring connector is arranged to extend outwards from one side of the shell.
The beneficial effects of the utility model are as follows:
the technical scheme of the utility model relates to a reverse charging circuit and a reverse charging adapter, wherein the reverse charging circuit comprises a first wiring connector, a first power supply circuit, a reverse identification circuit and a charging master seat; the first wiring connector is used for being electrically connected with a charger power supply end; the input end of the first power supply circuit is electrically connected with the power output end of the first wiring connector, and the output end of the first power supply circuit is electrically connected with the reverse identification circuit to supply power to the reverse identification circuit; the reverse identification circuit is electrically connected with the charging master seat and is used for outputting power for charging the powered device plugged in the charging wire after protocol handshake identification is realized when the charging master seat is connected into the charging wire. Namely, the reverse identification circuit is used for identifying the charging wire inserted into the charging socket to achieve handshake identification, so that electric power is output for charging. The scheme can realize the charging requirement when the same charging wire is reversely inserted.
Drawings
FIG. 1 is a schematic block diagram of a reverse charging circuit according to the present utility model;
FIG. 2 is a circuit diagram of a reverse charging circuit according to the present utility model;
fig. 3 is a schematic structural diagram of a reverse charging adapter.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 3, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if the directions related to the embodiments of the present utility model are shown in the drawings. If a particular gesture changes, the directional indication changes accordingly.
The reverse charging circuit of the charger provided by the technical scheme of the utility model is applicable to the charger, and can also be used as a separate structure for realizing reverse charging, for example, the reverse charging circuit is applicable to be used as an adapter. A power rating can be identified and provided to enable charging of the powered device when the charging cord is reverse inserted.
Taking the charging plug of the charger and the charging cord as an example, the charging cord generally includes a first end for plugging with the charger and a second end for plugging with a powered device (such as a cell phone). In this embodiment, it is defined that charging from the first end to the second end is performed, that is, forward; the second end is inserted with the charger, and the first end is inserted with the powered device to realize the reverse charging. Therefore, the forward direction and the reverse direction of the expression in the present technical solution are defined as follows.
Generally, when the first end is plugged into the charger and the second end is plugged into the powered device, power is output from the charger to the second end through the first end so as to charge the powered device. When the corresponding charger and powered device are plugged in reversely, charging cannot be achieved.
The technical scheme of the utility model provides a technology capable of charging power receiving equipment when a charging wire is reversely plugged.
Referring to fig. 1 in detail, the present utility model proposes a reverse charging circuit including a first wiring connector 10, a first power supply circuit 20, a reverse identification circuit 30, and a charging socket 40. The reverse charging circuit is matched with the circuit of the charger to realize the function of reverse charging.
It should be appreciated that the charger may be a conventional charger that may be used in conjunction with the charger as a stand-alone structure with the reverse charging circuit of the present utility model or integrated within the charger as a charger with reverse charging functionality.
In detail, as shown in fig. 1, the first wiring connector 10 is used for electrically connecting with a charger power supply terminal; the input end of the first power supply circuit 20 is electrically connected with the power output end of the first wiring connector 10, and the output end of the first power supply circuit is electrically connected with the reverse identification circuit 30 to supply power to the reverse identification circuit 30; the reverse identification circuit 30 is electrically connected with the charging socket 40, and is configured to implement protocol handshake identification when the charging socket 40 is connected to a charging wire, and output power for charging a powered device connected to the charging wire.
It should be understood that in this embodiment, the charging female socket 40 is a female socket head adapted to the second end of the charging wire for implementing reverse plugging. When the charging dock 40 is plugged in by the second end (reverse end) of the charging cord, the reverse identification circuit 30 detects and identifies the reverse information of the charging cord and outputs the corresponding power to the powered device. In particular, the reverse identification circuit 30 implements a protocol pairing with a charging cord plugged at the charging dock 40 for identification, thereby outputting power.
Therefore, the technical scheme of the utility model can automatically identify the port of the charging wire at the charging master seat 40, so that the corresponding powered device is charged when the charging wire is reversely used.
In detail, the first wiring connector 10 is used for being plugged into an original circuit of the charger to input power to the reverse charging circuit so as to enable the powered device to realize reverse charging. Specifically, for example, the first connection connector 10 may be a 6-pin in-line socket, which includes six pins, i.e., VIN pin, VBUS pin, ground terminal, CC pin, D-pin, and d+ pin, wherein the VBUS pin is connected to a third capacitor C3 and then grounded. Of course, the present utility model is not limited thereto, and other types of plug connectors are also possible. The present embodiment is described with reference to a 6-pin in-line socket.
In detail, the charging socket 40 in this embodiment is a lightning ip5 socket. I.e. the charging socket 40 is an apple lighting connector socket. Namely, the charging wire is an apple charging wire, one end of the charging wire is a TypeC connector, and the other end of the charging wire is a Lightning connector. When reverse charging is implemented using the scheme of the present embodiment, the Lightning connector of the charging wire is plugged into the charging socket 40.
In detail, the reverse identification circuit 30 includes a control chip and a handshake identification branch, wherein one end of the handshake identification branch is connected to the DATA port of the lightning ip5 socket, and the other end of the handshake identification branch is connected to the control chip, so as to implement handshake identification with the charging wire plugged in the lightning ip5 socket. That is, in the present embodiment, the condition of the charging wire inserted into the charging socket 40 is recognized by the handshake recognition branch, and then the control chip performs the handshake with the reverse connection protocol of the charging wire by the handshake recognition branch, thereby implementing the reverse recognition charging. Specifically, the handshake identification branch circuit can be designed into different circuit structures according to different connectors. In this embodiment, the handshake identification leg may be a fourth resistor R4.
In detail, the reverse direction identification circuit 30 further includes a first resistor R1, a second resistor R2, a third resistor R3, and a second capacitor C2 as shown in fig. 2; the handshake identification branch is a fourth resistor R4; one end of the first resistor R1 is connected with the first port of the control chip, and the other end of the first resistor R1 is connected to the CC interface end of the first wiring connector 10; one end of the second resistor R2 is connected with a sixth port of the control chip, and the other end of the second resistor R2 is connected to the CC interface end of the first wiring connector 10; one end of the third resistor R3 is connected to the fourth port of the control chip, and the other end is connected to the power supply end of the first power supply circuit 20; one end of the fourth resistor R4 is connected to the DATA end of the lightning IP5 base, and the other end of the fourth resistor R4 is connected to a fourth port of the control chip; one end of the second capacitor C2 is connected to the first port of the control chip, and the other end of the second capacitor C is grounded. Wherein, preferably, the control chip can be an SOT236 type chip. In detail, D-and d+ terminals of the lightning ip5 socket are connected to D-and d+ terminals of the first wire connector 10, respectively; v of the LightningIP5 female socket BUS V port and said first wiring connector 10 BUS The ports are electrically connected. The input end of the first power supply circuit 20 is electrically connected to the VIN port of the first wiring connector 10, and the output end is electrically connected to the fourth port and the fifth port of the control chip.
Through the circuit, the fourth resistor R4 and the DATA port of the charging socket 40 can be used for handshaking with the lighting connector protocol, and then the control chip outputs the power input through the first wiring connector 10 to the charging wire to realize reverse charging. The charging wire solves the problem that the traditional charging wire can only be used in one direction, and is greatly convenient for users to use.
Referring to fig. 3, the present embodiment provides a reverse charging adapter for plug-in fitting with a charger, which includes a housing 1 and a circuit module 2 disposed in the housing 1, where the circuit module 2 is any one of the reverse charging circuits described above; the first wiring connector 10 and the charging socket 40 are exposed outside the housing 1. In the present subject matter, a separate structure based on a directional charging circuit is proposed that can be plugged into one port of the charger, thus functioning as a switching adapter for reverse plug-in charging between the charging cord and the charger.
In detail, the circuit module 2 is provided inside the housing 1. The corresponding first wiring connector 10 and charging female socket 40 are exposed, which facilitates charging use. In detail, as shown in fig. 3, in some embodiments, the first wire connector 10 is disposed to extend outwardly from one side of the housing 1. I.e. the first wire connector 10 is outwardly protruding, which facilitates plugging in use. It should be appreciated that in this embodiment, the first wiring connector 10 is plugged into a conventional charging interface of an existing charger, such as a USB plug of the charger. Correspondingly, the port setting of the first wiring connector 10 is matched with the USB plug, the corresponding port is kept corresponding, and the specific port setting is not described here, and can be achieved by using a conventional plug technology.
In this embodiment, through setting up the use that has the direction function of charging that can satisfy current charger, only need carry an adapter and can realize reverse charging with current charger and charging wire combination realization, can solve the problem that need carry many charging wires among the prior art.
Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (9)
1. A reverse charging circuit is characterized by comprising a first wiring connector (10), a first power supply circuit (20), a reverse identification circuit (30) and a charging master socket (40);
the first wiring connector (10) is used for being electrically connected with a charger power supply end;
the input end of the first power supply circuit (20) is electrically connected with the power output end of the first wiring connector (10), and the output end of the first power supply circuit is electrically connected with the reverse identification circuit (30) and is used for supplying power to the reverse identification circuit (30);
the reverse identification circuit (30) is electrically connected with the charging master socket (40) and is used for outputting power for charging the powered device plugged in the charging wire after protocol handshake identification is realized when the charging master socket (40) is plugged in the charging wire.
2. A reverse charging circuit as claimed in claim 1, wherein:
the first wiring connector (10) is a 6-pin straight plug pin seat.
3. A reverse charging circuit as claimed in claim 2, wherein:
the charging socket (40) is a lightning ip5 socket.
4. A reverse charging circuit as claimed in claim 3, wherein:
the reverse identification circuit (30) comprises a control chip and a handshake identification branch, wherein one end of the handshake identification branch is connected to the DATA port of the lightning IP5 socket, and the other end of the handshake identification branch is connected to the control chip and used for realizing handshake identification with a charging wire plugged into the lightning IP5 socket.
5. A reverse charging circuit as claimed in claim 4, wherein:
the reverse identification circuit (30) further comprises a first resistor R1, a second resistor R2, a third resistor R3 and a second capacitor C2; the handshake identification branch is a fourth resistor R4;
one end of the first resistor R1 is connected with a first port of the control chip, and the other end of the first resistor R1 is connected to a CC interface end of the first wiring connector (10);
one end of the second resistor R2 is connected with a sixth port of the control chip, and the other end of the second resistor R2 is connected to a CC interface end of the first wiring connector (10);
one end of the third resistor R3 is connected to a fourth port of the control chip, and the other end of the third resistor R3 is connected to a power supply end of the first power supply circuit (20);
one end of the fourth resistor R4 is connected to the DATA end of the lightning IP5 base, and the other end of the fourth resistor R4 is connected to a fourth port of the control chip;
one end of the second capacitor C2 is connected to the first port of the control chip, and the other end of the second capacitor C is grounded.
6. A reverse charging circuit as claimed in claim 5, wherein:
the D-and D+ ends of the lightning IP5 socket are connected to the D-and D+ ends of the first wiring connector (10), respectively;
v of the LightningIP5 female socket BUS V-port and said first wiring connector (10) BUS The ports are electrically connected.
7. A reverse charging circuit as claimed in claim 5, wherein:
the input end of the first power supply circuit (20) is electrically connected with the VIN port of the first wiring connector (10), and the output end of the first power supply circuit is electrically connected with the fourth port and the fifth port of the control chip.
8. The utility model provides a reverse adapter that charges for with charger grafting adaptation, includes casing (1) and locates circuit module (2) in this casing (1), its characterized in that:
-said circuit module (2) is a reverse charging circuit according to any one of claims 1 to 7;
the first wiring connector (10) and the charging socket (40) are exposed outside the shell (1).
9. The reverse-charging adapter of claim 8, wherein:
the first connection connector (10) extends outwards from one side of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320584891.4U CN219554632U (en) | 2023-03-23 | 2023-03-23 | Reverse charging circuit and reverse charging adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320584891.4U CN219554632U (en) | 2023-03-23 | 2023-03-23 | Reverse charging circuit and reverse charging adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219554632U true CN219554632U (en) | 2023-08-18 |
Family
ID=87701860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320584891.4U Active CN219554632U (en) | 2023-03-23 | 2023-03-23 | Reverse charging circuit and reverse charging adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219554632U (en) |
-
2023
- 2023-03-23 CN CN202320584891.4U patent/CN219554632U/en active Active
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