CN213305033U - Charging assembly and charging system - Google Patents

Abstract

The utility model provides a charging assembly and a charging system, wherein the charging assembly comprises a charger and a charging wire which are electrically connected, the charging wire comprises a first port which is electrically connected with the charger and a second port which is electrically connected with an external electrical appliance, a first Bluetooth chip is arranged in the charger, and a second Bluetooth chip which is in communication connection with the first Bluetooth chip is arranged in the second port of the charging wire; when the charger is plugged into the power supply and the second port is plugged into the external electric appliance, the power supply supplies power to the first Bluetooth chip and the second Bluetooth chip, and the second Bluetooth chip is electrically connected with the external electric appliance so as to establish a communication link between the charger and the external electric appliance. After the technical scheme is adopted, the out-of-band communication mode is utilized to realize the handshake of the charging protocol between the charger and the intelligent terminal, so that the current carrying capacity of the charging wire is increased on the basis of not increasing the diameter of the charging wire.

Description

Charging assembly and charging system

Technical Field

The utility model relates to an electronic equipment field especially relates to a charging assembly and charging system.

Background

With the rapid development of intelligent terminals, people have more and more abundant requirements on various aspects when the intelligent terminals are used. Taking the endurance requirement as an example, the charging power of the intelligent terminal is increasingly larger, gradually progresses from the initial 5W, 10W and 27W to 65W and 120W, and the current on the charging wire reaches 6A at 120W.

When general intelligent terminal charges, adopt one end to be connected with the charger for USB A mouth, the other end is the mode that Type-C mouth and intelligent terminal are connected. As shown in fig. 1, the line diameters of the respective signals in the Type-C port are shown. In order to meet the communication connection between the charger and the intelligent terminal, the charger needs to include white, green and yellow wire diameters if a charging wire is identified and a charging protocol is matched. With the increase of the charging power, if the charging requirement needs to be met, there are no two ways, one is to increase the voltage, and the other is to increase the current on the line. If the second scheme is adopted, the current is continuously increased, which inevitably increases the diameter of the data line, i.e. increases the red line diameter, so that the data line becomes thicker.

Therefore, a novel charging assembly and a novel charging system are needed, and the wire diameter of the charging wire is reduced under the condition that the original charging scheme is ensured.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical defect, the utility model aims to provide a charging assembly and charging system utilizes the outband communication mode to realize that the charging protocol between charger and the intelligent terminal shakes hands to increase the circular telegram current ability of charging wire on the basis that does not increase the charging wire diameter.

The utility model discloses a charging assembly, which comprises a charger and a charging wire which are electrically connected, wherein the charging wire comprises a first port which is electrically connected with the charger and a second port which is electrically connected with an external electrical appliance,

the charger is internally provided with a first Bluetooth chip, and a second port of the charging wire is internally provided with a second Bluetooth chip which is in communication connection with the first Bluetooth chip;

when the charger is plugged into the power supply and the second port is plugged into the external electric appliance, the power supply supplies power to the first Bluetooth chip and the second Bluetooth chip, and the second Bluetooth chip is electrically connected with the external electric appliance so as to establish a communication link between the charger and the external electric appliance.

Preferably, the first end of the second bluetooth chip is connected to the VBUS pin of the charging wire;

the second end of the second Bluetooth chip is connected to the CC pin of the charging wire so as to send a charging protocol supported by the charging wire into the second Bluetooth chip;

and the third end and the fourth end of the second Bluetooth chip are grounded.

Preferably, the second port includes a VBUS pin, an SBU1 pin, and an SBU2 pin, and the SBU1 pin and the SBU2 pin are connected to the VBUS pin;

pull-down resistors are electrically connected between the VBUS pin and the SBU1 pin and the SBU2 pin, respectively.

Preferably, the pull-down resistor comprises a resistor R1, a resistor R2, a resistor R3 and a resistor R4;

one end of the resistor R1 is connected to the VBUS pin, and the other end is connected to the SBU1 pin;

one end of the resistor R2 is connected to the SBU1 pin, and the other end is grounded;

one end of the resistor R3 is connected to the VBUS pin, and the other end is connected to the SBU2 pin;

one end of the resistor R4 is connected to the SBU2 pin, and the other end is grounded.

Preferably, the wire path within the charging wire that transmits the Dn1, Dp1, CC signals is cancelled.

The utility model also discloses a charging system, reach as above including intelligent terminal the subassembly that charges, intelligent terminal is outside electrical apparatus.

After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:

1. the current capacity of the charging wire is improved;

2. the diameter of the charging wire is not increased, and even the diameter of the charging wire can be reduced, so that the cost of the charging wire is reduced, and the portability is improved;

3. the normal use of the charger and the charging wire is met by utilizing the charge protocol handshake between the out-of-band communication mode charger and the mobile phone.

Drawings

FIG. 1 is a cross-sectional view of a Type-C port in the prior art;

fig. 2 is a schematic diagram of a circuit connection of a second bluetooth chip in a charging wire according to a preferred embodiment of the present invention;

fig. 3 is a schematic diagram of a circuit connection in a charging wire according to a preferred embodiment of the present invention.

Detailed Description

The advantages of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure 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 and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for 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.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the following description, suffixes such as "module", "part", or "unit" used to indicate elements are used only for the convenience of description of the present invention, and have no specific meaning in itself. Thus, "module" and "component" may be used in a mixture.

The utility model provides a charging assembly, including charger and charging wire, the charger is connected with power supply equipment such as commercial power, portable power source usually to acquire the electric energy, and the charging wire has first port and second port, and first port is connected with the charging wire electricity, extends the link that acquires the electric energy, and the second port needs to be connected by the outside electrical apparatus that charges with the outside, thereby realizes from the charging circuit of power to charger, charging wire, outside electrical apparatus.

For realizing the less requirement to the charging wire line footpath, will cancel the line footpath of transmission Dn1, Dp1, CC signal in the charging wire, then for the effect of realizing former this 3 pencil, join in marriage intelligent terminal and charger promptly to judge whether the charger supports generally to charge to intelligent terminal, quick charge or the utmost point speed charges, be provided with first bluetooth chip in the charger, correspondingly, be equipped with the second bluetooth chip with first bluetooth chip communication connection in the second port of charging wire. In the charger inserted the power, the first port of charging wire was inserted in the charger to when inserting the second port of charging wire outside electrical apparatus, the first bluetooth chip power supply in to the charger was gone up to the power of going up of power, makes first bluetooth chip activation, and along with other pencil in the charging wire, VBUS wire footpath for example, the circular telegram link that forms supplies electric energy to second bluetooth chip, makes second bluetooth chip activation, from this first bluetooth chip and second bluetooth chip match the back, make and establish communication between charging wire and charger. That is to say, when the charger needs to establish communication connection with an external electrical appliance to exchange information, the charger firstly sends information to the second bluetooth chip through the connection between the first bluetooth chip and the second bluetooth chip, and the second bluetooth chip is directly electrically connected to the external electrical appliance due to the second port, so that the second bluetooth chip can further transmit data to the external electrical appliance, and a communication link between the charger and the external electrical appliance is established equivalently.

Based on the communication link, the external appliance may recognize a charging protocol, a charging standard supported within the charger, thereby confirming whether standard charging, fast charging, or very fast charging may be performed using the charger.

Further, referring to fig. 2, the following circuit design is made within the second port of the charging line. If the first end of the second Bluetooth chip is connected to the VBUS pin of the charging wire, the second end of the second Bluetooth chip is connected to the CC pin of the charging wire, so that a charging protocol supported by the charging wire is sent into the second Bluetooth chip; the third end of second bluetooth chip, fourth end ground connection, then the second port, if the CC signal in the USBType-C port links to each other with the second bluetooth chip, the power supply of second bluetooth chip is provided by VBUS, and the CC signal satisfies the agreement standard of Type-C port and PD.

To further identify the type of the data line, referring to fig. 3, the second port includes a VBUS pin, an SBU1 pin, and an SBU2 pin, and the SBU1 pin and the SBU2 pin are connected to the VBUS pin; pull-down resistors are electrically connected between the VBUS pin and the SBU1 pin and the SBU2 pin, respectively. The pull-down resistor comprises a resistor R1, a resistor R2, a resistor R3 and a resistor R4; one end of the resistor R1 is connected to the VBUS pin, and the other end is connected to the SBU1 pin; one end of the resistor R2 is connected to the SBU1 pin, and the other end is grounded; one end of the resistor R3 is connected to the VBUS pin, and the other end is connected to the SBU2 pin; one end of the resistor R4 is connected to the SBU2 pin, and the other end is grounded. The SBU pin is used because the SBU defined in the Type-C port protocol, i.e., the Sideband Use, is used, and the purpose of the two SBUs is to provide extended Use for users. Therefore, in the embodiment, the identification of the external electrical appliance, such as the intelligent terminal, to the charging line is realized by using two signal PINs, namely the SBU1 PIN and the SBU2 PIN. In addition, through the resistance configuration of the resistors R1-R4, whether the inserted standard charging wire matched with the intelligent terminal or not can be correctly identified by the intelligent terminal.

With the above configuration, the three signal lines of white, green and yellow of the original charging line can be omitted, so that the red VBUS wire can be added for increasing the charging current. While the GND return in the charging wire is still realized by the shielded braided metal wire.

After the charging assembly is arranged, the charging assembly can be applied to a charging system, and an intelligent terminal included in the charging system is an external electric appliance.

The smart terminal may be implemented in various forms. For example, the terminal described in the present invention may include an intelligent terminal such as a mobile phone, a smart phone, a notebook computer, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a smart terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly for moving purposes.

It should be noted that the embodiments of the present invention have better practicability and are not intended to limit the present invention in any way, and any person skilled in the art may change or modify the technical contents disclosed above to equivalent effective embodiments, but all the modifications or equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.

Claims (6)

1. A charging assembly comprises a charger and a charging wire which are electrically connected, the charging wire comprises a first port which is electrically connected with the charger and a second port which is electrically connected with an external electrical appliance,

the charger is internally provided with a first Bluetooth chip, and a second port of the charging wire is internally provided with a second Bluetooth chip which is in communication connection with the first Bluetooth chip;

when the charger is plugged into a power supply and the second port is plugged into the external electric appliance, the power supply supplies power to the first Bluetooth chip and the second Bluetooth chip, and the second Bluetooth chip is electrically connected with the external electric appliance so as to establish a communication link between the charger and the external electric appliance.

2. The charging assembly of claim 1,

the first end of the second Bluetooth chip is connected to a VBUS pin of the charging wire;

a second end of the second Bluetooth chip is connected to a CC pin of the charging wire so as to send a charging protocol supported by the charging wire into the second Bluetooth chip;

and the third end and the fourth end of the second Bluetooth chip are grounded.

3. The charging assembly of claim 1,

the second port comprises a VBUS pin, an SBU1 pin and an SBU2 pin, and the SBU1 pin and the SBU2 pin are connected to the VBUS pin in parallel;

and pull-down resistors are respectively electrically connected between the VBUS pin and the SBU1 pin and between the VBUS pin and the SBU2 pin.

4. A charging assembly as in claim 3,

the pull-down resistor comprises a resistor R1, a resistor R2, a resistor R3 and a resistor R4;

one end of the resistor R1 is connected to a VBUS pin, and the other end of the resistor R1 is connected to an SBU1 pin;

one end of the resistor R2 is connected to the SBU1 pin, and the other end of the resistor R2 is grounded;

one end of the resistor R3 is connected to a VBUS pin, and the other end of the resistor R3 is connected to an SBU2 pin;

one end of the resistor R4 is connected to the SBU2 pin, and the other end is grounded.

5. The charging assembly of claim 1,

and the wire path for transmitting Dn1, Dp1 and CC signals is canceled in the charging wire.

6. A charging system, comprising a smart terminal and the charging assembly as claimed in any one of claims 1 to 5, wherein the smart terminal is the external electrical appliance.

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