CN211880144U - Chargers and Charging Systems - Google Patents

Abstract

A charger includes a pin module, a first interface and a second interface connected in sequence. The charger further includes a switch circuit and a control unit, the switch circuit is electrically connected between the pin module and the second interface, and the control unit is electrically connected to the switch circuit. The control unit is used to detect whether the first interface and the second interface are connected with electronic equipment at the same time, and when the first interface and the second interface are connected with electronic equipment at the same time, the control unit controls the switch circuit to be turned on. The above charger is provided with a switch circuit and a control unit, and the first interface is connected to the second interface, so that the pin module can output voltage to the second interface through the first interface. When only the second interface is connected to an electronic device, the voltage output is not It is necessary to change the buck-boost circuit so that the second charging interface can also meet the needs of high-power charging, and there is no need to modify the existing buck-boost circuit. The present application also provides a charging system with the above-mentioned charger.

Description

Chargers and Charging Systems

technical field

The utility model relates to the field of charging equipment, in particular to a charger and a charging system.

Background technique

In the existing dual-interface charger, when a device is inserted into the first interface and needs to be charged, the pin module outputs the voltage required by the first interface to charge the external device. When a device is inserted into the second interface and needs to be charged, the pin module outputs the voltage required by the second interface and is adjusted by the buck-boost circuit and then output to the second interface to charge the external device. When the device connected to the second interface needs a large output power, the output voltage adjusted by the buck-boost circuit cannot meet the charging requirement, and the cost of modifying the buck-boost circuit is high and it is not easy to operate.

Utility model content

In view of the above situation, it is necessary to provide a charger and a charging system. By setting a switch circuit and a control unit, and the first interface is connected to the second interface, the pin module can output voltage to the second interface through the first interface, when only the first interface is connected to the second interface. When electronic equipment is connected to the second interface, the voltage output does not need to be changed by the buck-boost circuit, so that the second charging interface can also meet the needs of high-power charging, and there is no need to modify the existing buck-boost circuit.

Embodiments of the present application provide a charger, including a pin module, a first interface and a second interface that are connected in sequence. The charger further includes a switch circuit and a control unit, the switch circuit is electrically connected between the pin module and the second interface, and the control unit is electrically connected to the switch circuit. The control unit is used to detect whether an electronic device is connected to the first interface and the second interface at the same time. When an electronic device is connected to the first interface and the second interface at the same time, the control unit controls the switch circuit to conduct; when only the second interface is connected When an electronic device is connected to the interface, the control unit controls the switch circuit to keep disconnected, and the pin module outputs a voltage to the second interface through the first interface to charge the electronic device.

Further, when the first interface is connected to an electronic device and the second interface is vacant, the control unit is further configured to control the switch circuit to remain disconnected, and to control the first interface to perform operations on the electronic device. Fast charging.

Further, when the second interface is connected to an electronic device and the first interface is vacant, the control unit is further configured to control the switch circuit to remain disconnected, and the pin module outputs a voltage through the first interface to The second interface is used to fast charge the electronic device.

In an optional embodiment, the charger further includes a buck-boost circuit, and the buck-boost circuit is connected between the switch circuit and the second interface.

Further, when the first interface and the second interface are connected to an electronic device at the same time, the pin module outputs a first voltage to the first interface, and outputs a second voltage after being stepped down by the buck-boost circuit. voltage to the second interface.

Further, the control unit is further configured to control the first interface to fast charge the electronic device, and at the same time control the second interface to slow charge the electronic device. The power is greater than the charging power of the slow charging.

Further, the first interface includes one of a type-C interface, a type-A interface, and a lighting interface; the second interface includes one of a type-C interface, a type-A interface, and a lighting interface.

Further, the control unit is further configured to detect the charging protocol supported by the electronic device connected to the first interface and the second interface, and when the electronic device supports multiple charging protocols, the control The unit preferentially selects the charging protocol with the highest power to charge the electronic device.

Further, when the electronic device supports the PD fast charging protocol and the SCP fast charging protocol, the control unit preferentially selects the SCP fast charging protocol to charge the electronic device.

The embodiment of the present application further provides a charging system, the charging system includes a power module and the charger according to any one of the above, the power module is electrically connected to a pin module of the charger, and the power module is used for supplying power to the charger.

The charger provided by the utility model is provided with a switch circuit and a control unit, and is electrically connected to the first interface and the second interface, so that the pin module can output voltage to the second interface through the first interface, when only the second interface has an electronic device connected to it. When input, the voltage output does not need to be changed by the buck-boost circuit, which avoids the change of the output voltage by the buck-boost circuit, so that the second interface can also meet the needs of high-power charging, without the need for the existing buck-boost circuit. Revise. While reducing the circuit cost, the charging efficiency is improved and the higher demands of users are met.

Description of drawings

FIG. 1 is a schematic structural diagram of a charger in an embodiment.

FIG. 2 is a schematic structural diagram of a charger in an embodiment.

FIG. 3 is a schematic structural diagram of a charger in an embodiment.

FIG. 4 is a schematic structural diagram of a charger in an embodiment.

FIG. 5 is a schematic structural diagram of a charging system in an embodiment.

Description of main component symbols:

Charger 100;

pin module 10;

the first interface 20;

the second interface 30;

Buck-boost circuit 40;

switch circuit 50;

control unit 60;

Electronic equipment 70;

charging system 200;

Power Module 201.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the present application are for the purpose of describing particular embodiments only, and are not intended to limit the present application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The present application provides a charger, which includes a pin module, a first interface and a second interface connected in sequence. The charger further includes a switch circuit and a control unit, the switch circuit is electrically connected between the pin module and the second interface, and the control unit is electrically connected to the switch circuit. The control unit is used to detect whether the first interface and the second interface are connected with electronic equipment at the same time, and when the first interface and the second interface are connected with electronic equipment at the same time, the control unit controls the switch circuit to be turned on.

The above charger is provided with a switch circuit and a control unit, and is electrically connected to the first interface and the second interface, so that the pin module can output voltage to the second interface through the first interface. When only the second interface is connected to an electronic device, the voltage The output does not need to be changed by the buck-boost circuit, which avoids the change of the output voltage by the buck-boost circuit, so that the second interface can also meet the needs of high-power charging, and there is no need to modify the existing buck-boost circuit. While reducing the circuit cost, the charging efficiency is improved and the higher demands of users are met.

Some embodiments of the present application are described in detail. The following embodiments and features of the embodiments may be combined with each other without conflict.

Referring to FIG. 1 , a charger 100 provided by an embodiment of the present application includes a pin module 10 , a first interface 20 , a second interface 30 , a boost-boost circuit 40 , a switch circuit 50 and a control unit 60 .

The pin module 10 , the first interface 20 and the second interface 30 are connected in sequence, and the buck-boost circuit 40 is electrically connected between the pin module 10 and the second interface 30 . The switch circuit 50 is electrically connected between the pin module 10 and the buck-boost circuit 40 , and the control unit 60 is electrically connected to the switch circuit 50 . Further, the control unit 60 is electrically connected to the first interface 20 and the second interface 30 respectively, and is used to detect whether an electronic device is connected to the first interface 20 and the second interface 30 at the same time. When an electronic device is connected to the interface 20 and the second interface 30 at the same time, the control unit 60 controls the switch circuit 50 to be turned on. When only one of the first interface 20 and the second interface 30 is connected to the electronic device, the The control unit 60 controls the switch circuit 50 to be turned off.

When the control unit 60 controls the switch circuit 50 to keep disconnected, the pin module 10 can be used to output voltage to the first interface 20 and output voltage to the second interface through the first interface 20 30, thereby increasing the output power of the second interface 30 to meet the high-power charging requirement of the external device. When the control unit 60 controls the switch circuit 50 to be turned on, the pin module 10 is used for outputting a voltage to the first interface 20 and outputting a voltage to the second interface 30 through the buck-boost circuit 40 .

Referring to FIG. 2, in one of the embodiments of the present application, the first interface 20 includes but is not limited to one of a type-C interface, a type-A interface and a lighting interface, and the second interface 30 includes but is not limited to a type-C interface, a type-A interface and a lighting interface. It is not limited to one of the type-C interface, the type-A interface and the lighting interface. The first interface 20 is connected to the electronic device 70. When the second interface 30 is empty, the control unit 60 is used to control the switch circuit 50 to keep disconnected, and the pin module 10 directly outputs a voltage to the first interface. The interface 20 , the control unit 60 controls the first interface 20 to fast charge the electronic device 70 .

Please refer to FIG. 3 , the second interface 30 is connected to the electronic device 70 , when the first interface 20 is empty, the control unit 60 is used to control the switch circuit 50 to keep disconnected, and the pin module 10 passes the The first interface 20 outputs a voltage to the second interface 30, so that the electronic device 70 connected to the second interface 30 can also perform fast charging, so that the second interface 30 can also meet higher power charging requirements.

Referring to FIG. 4 , in one of the embodiments of the present application, when the first interface 20 and the second interface 30 are connected to the electronic device 70 at the same time, that is, the first interface 20 and the second interface 30 are each connected to the electronic device 70 at the same time. When an electronic device 70 is connected, the control unit 60 is used to control the switch circuit 50 to be turned on, the pin module 10 is used to output the first voltage to the first interface 20, and the pin module 10 also passes through the The buck-boost circuit 40 outputs a second voltage to the second interface 30 , so that the first interface 20 and the second interface 30 can simultaneously supply power to the electronic device 70 . In this embodiment, the control unit 60 is further configured to control the first interface 20 to fast charge the electronic device 70 , and control the second interface 30 to charge the electronic device 70 slowly. The voltage may be, for example, 5V, and the current may be 1A.

Further, in an optional embodiment, the control unit 60 is further configured to detect a charging protocol supported by the electronic device 70 connected to the first interface 20 and the second interface 30 . When the electronic device 70 supports multiple charging protocols, the control unit 60 preferentially selects the charging protocol with the highest power to control the first interface 20 and the second interface 30 to charge the electronic device 70 . In a preferred embodiment, when the electronic device 70 supports the PD fast charging protocol and the SCP fast charging protocol, the control unit 60 preferentially selects the SCP fast charging protocol to charge the electronic device 70 . Some existing electronic devices generally support multiple charging protocols at the same time, while traditional chargers only identify one of the charging protocols, and do not screen multiple charging protocols to achieve the highest charging efficiency. . The charger provided by the present application can charge the electronic device with a preferred charging protocol, especially when the electronic device supports multiple fast charging protocols, the charger of the present application can select the optimal charging protocol for matching charging, so as to make the user experience better it is good.

Referring to FIG. 5 , an embodiment of the present application further provides a charging system 200 , where the charging system 200 includes a power module 201 and the charger 100 described in any of the foregoing embodiments or a combination of embodiments. The power supply module 201 is electrically connected to the pin module 10 of the charger 100 , and the power supply module 201 is used for providing electrical energy to the charger 100 .

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified. Or equivalent replacements should not depart from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A charger, comprising: a pin module, a first interface and a second interface; wherein the pin module, the first interface and the second interface are connected in sequence, and the charger further comprises a switch A circuit and a control unit, the switch circuit is electrically connected between the pin module and the second interface, the control unit is electrically connected to the switch circuit, and the control unit is used to detect the first interface and the second interface. Whether an electronic device is connected to the second interface at the same time, when the first interface and the second interface are connected to an electronic device at the same time, the control unit controls the switch circuit to be turned on; when only the second interface is connected. When an electronic device is connected to the interface, the control unit controls the switch circuit to keep disconnected, and the pin module outputs a voltage to the second interface through the first interface to charge the electronic device. 2 . The charger according to claim 1 , wherein when the first interface is connected to an electronic device and the second interface is empty, the control unit is further configured to control the switch circuit to keep disconnected, 2 . And control the first interface to fast charge the electronic device. 3 . The charger according to claim 2 , wherein when the second interface is connected to an electronic device and the first interface is empty, the control unit is further configured to control the switch circuit to keep disconnected, 3 . The pin module outputs a voltage to the second interface through the first interface to fast charge the electronic device. 4 . The charger according to claim 1 , wherein the charger further comprises a buck-boost circuit, and the buck-boost circuit is connected to the switch circuit and the second interface. 5 . between. 5. The charger of claim 4, wherein when the first interface and the second interface are simultaneously connected to an electronic device, the pin module outputs a first voltage to the first interface, and The second voltage is outputted to the second interface after being stepped down by the buck-boost circuit. 6 . The charger of claim 5 , wherein the control unit is further configured to control the first interface to fast charge the electronic device, and simultaneously control the second interface to charge the electronic device 6 . The device performs slow charging, and the charging power of the fast charging is greater than the charging power of the slow charging. 7. The charger according to claim 6, wherein the first interface comprises one of a type-C interface, a type-A interface and a lighting interface; the second interface comprises a type-C interface, One of the type-A interface and the lighting interface. 8 . The charger according to claim 7 , wherein the control unit is further configured to detect the charging protocol supported by the electronic device connected to the first interface and the second interface, and when all the charging protocols are supported. 9 . When the electronic device supports multiple charging protocols, the control unit preferentially selects the charging protocol with the highest power to charge the electronic device. 9 . The charger of claim 8 , wherein when the electronic device supports the PD fast charging protocol and the SCP fast charging protocol, the control unit preferentially selects the SCP fast charging protocol to charge the electronic device. 10 . 10. A charging system, characterized in that the charging system comprises a power module and the charger according to any one of claims 1-9, the power module is electrically connected to a pin module of the charger, and the power module is electrically connected to a pin module of the charger. A module is used to provide power to the charger.

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