CN210780210U

CN210780210U - Power adapter

Info

Publication number: CN210780210U
Application number: CN201921974769.8U
Authority: CN
Inventors: 张吉强; 辛启贵; 周君
Original assignee: Shenzhen Xiangrui Wanjia Technology Co ltd
Current assignee: Shenzhen Xiangrui Wanjia Technology Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-06-16
Anticipated expiration: 2029-11-14

Abstract

The utility model relates to a power adapter, include: the energy storage unit is connected with the conversion unit; the energy storage unit is connected with the output end of the conversion unit and is connected with a charging plug connected with the output end of the conversion unit in parallel; the charging plug is used for being matched and connected with a charging port of the electric equipment; the conversion unit is used for respectively providing required voltage for the energy storage unit and the electric equipment; the energy storage unit is used for providing required voltage for the electric equipment after the conversion unit stops supplying power. The utility model has the advantages that: through the energy storage unit that has charge-discharge function of integration in power adapter, as the voltage of the consumer of normal use and charge, supply power for the energy storage unit by the voltage after the conversion unit will convert when normal use, in case the condition conversion unit that takes place to have a power failure can not continue to supply power for the consumer by the energy storage unit again for the consumer, and the consumer can continue to work, and does not receive the influence that has a power failure, provides convenience for the user.

Description

Power adapter

Technical Field

The utility model belongs to the technical field of battery charging outfit, concretely relates to power adapter.

Background

With the continuous development of modern society, digital products including notebook computers, all-in-one computers and other devices are more and more popular, all the devices need to use electricity to work, and the normal work and the use of the devices cannot be separated from charging. The battery in the equipment charges through the power adapter who suits with battery and equipment, power adapter plays and changes the commercial power into the voltage that is suitable for equipment and charges and provide the effect of power for equipment, to some equipment that need the adapter to provide the power and come direct work such as integral type computer, notebook computer, smart mobile phone, in case the power failure adapter also will stop supplying power, thereby can't lead to equipment normal use that can not normally work influence user for equipment power supply, especially to the integral type that does not possess the electric energy storage, split type computer, user's operation will be directly influenced, bring inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

In order to solve the power adapter that prior art exists can not continuous work after having a power failure, for the problem that the user brought inconvenience, the utility model provides a power adapter, it has and continues to provide the power, do not influence user's normal use and facilitate characteristics such as for the user after the outage.

The utility model discloses the technical scheme who adopts does:

a power adapter, comprising: the energy storage unit is connected with the conversion unit;

the energy storage unit is connected with the output end of the conversion unit and is connected with a charging plug connected with the output end of the conversion unit in parallel;

the charging plug is used for being matched and connected with a charging port of the electric equipment;

the conversion unit is used for respectively providing required voltages for the energy storage unit and the electric equipment;

the energy storage unit is used for providing required voltage for the electric equipment after the conversion unit stops supplying power.

Further, the power adapter further comprises: the input end of the quick charging unit is connected with the output end of the conversion unit and is connected with the energy storage unit in parallel;

the output end of the quick charging unit is connected with the quick charging interface and used for providing a quick charging power supply for the mobile equipment.

Further, the quick charging unit is also used for monitoring the electric quantity of the energy storage unit.

Further, the energy storage unit includes: the battery pack is connected with the output end of the conversion unit and is connected with a charging plug connected with the output end of the conversion unit in parallel;

the control switch is connected in series between the positive pole of the output end of the conversion unit and the positive pole of the battery pack, and the battery pack supplies power to the electric equipment after the conversion unit is powered off.

Further, the battery pack includes: 4 polymer batteries with the capacity of 5000mA are connected in series.

Further, the battery pack further includes: 8 polymer batteries with the capacity of 2500mA are connected in series and then connected in parallel after being connected in series.

Further, the control switch is a normally closed temperature control switch.

Further, the charging plug includes: a DC plug and a TYPE-C interface.

Further, the fast fill interface includes: at least one USB interface and TYPE-C interface.

Further, the power adapter further comprises: the protection shell is used for accommodating the energy storage unit, the conversion unit and the quick charging unit;

and the energy storage unit is isolated from the conversion unit and the quick charging unit and is fixed by the protection shell.

The utility model has the advantages that: through the energy storage unit that has charge-discharge function of integration in power adapter, as the voltage of the consumer of normal use and charge, supply power for the energy storage unit by the voltage after the conversion unit will convert when normal use, in case the condition conversion unit that takes place to have a power failure can not continue to supply power for the consumer by the energy storage unit again for the consumer, and the consumer can continue to work, and does not receive the influence that has a power failure, provides convenience for the user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a power adapter provided in accordance with an exemplary embodiment;

FIG. 2 is another schematic diagram of a power adapter provided in accordance with an exemplary embodiment;

FIG. 3 is a circuit schematic of a fast charge unit provided in accordance with an exemplary embodiment;

FIG. 4 is a circuit schematic of a conversion cell provided in accordance with an exemplary embodiment;

FIG. 5 is an overall view of a protective housing provided in accordance with an exemplary embodiment;

FIG. 6 is a cross-sectional view of a protective case provided in accordance with an exemplary embodiment;

FIG. 7 is a block diagram of a backplane provided in accordance with an exemplary embodiment.

Figure 1-protective housing; 2-display opening; 3-quick charging opening; 4-connecting a column; 5-a separator; 6-a bottom plate; 7-fixing hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a power adapter, including: the energy storage unit is connected with the conversion unit;

the conversion unit is used for respectively providing required voltage for the energy storage unit and the electric equipment;

Specifically, the conversion unit directly converts commercial power into direct current suitable for equipment such as a computer and a mobile phone, supplies power to the electric equipment through the charging plug, can adopt a constant-voltage/constant-current working mode, preferentially selects the constant-current working mode to supply power to the electric equipment such as the computer, distributes the residual power to the energy storage unit for charging so as to be stored by the energy storage unit, and once the power failure such as power failure occurs and the conversion unit can not supply power to the electric equipment any more, the energy storage unit can continue to supply power to the electric equipment so as to ensure the normal use or charging of the electric equipment, so that the problem that the normal use of the equipment is influenced after the power failure of the adapter is directly supplied with power by the computer, the integrated computer and the like is solved, and inconvenience is brought to users; the problem that the adapter cannot be used due to sudden power failure caused by the fact that a rechargeable battery is arranged on the mobile phone, the tablet personal computer and the like when the mobile phone, the tablet personal computer and the like need to be charged, so that the electric equipment cannot be normally used is solved; the method provides convenience for users, so that the data, operation and the like of the users can be well protected, the normal use of the users is not influenced, and inconvenience caused by sudden power failure is avoided.

As a possible implementation manner of the above embodiment, referring to fig. 2 and 4, the energy storage unit includes: the control switch is connected with the battery pack, the battery pack is connected with the output end of the conversion unit and is connected with the charging plug connected with the output end of the conversion unit in parallel;

Specifically, the battery pack may include: 4 polymer batteries such as 18650 lithium batteries connected in series and each having a capacity of 5000 mA; or the battery pack may further include: 8 polymer batteries with the capacity of 2500mA are connected in series and then connected in parallel after being connected in series. Because the power of a general all-in-one computer and a notebook computer in different use states is 20-65W, the conventional capacity of a mobile phone battery is about 3500mA generally, and the power is about 10W, the battery pack can provide 1-4 hours of endurance for the all-in-one computer or the notebook computer; or about 8 times of charging can be provided for electronic equipment such as a mobile phone and a tablet, and daily use of electric equipment such as a computer and a mobile phone is met.

The control switch can selectively use a normally closed temperature control switch and is connected between the positive electrode of the battery and the output end of the conversion unit, so that the time of mechanical switching is saved, and the zero-delay power supply switching can be realized. Referring to the circuit diagram of the conversion unit shown in fig. 4, an RT normally-closed temperature control switch is connected to the positive electrode V + of the output interface, and functions as zero-delay switching.

In addition, in the circuit of the conversion unit, the commercial power is accessed through an interface CON1, an F1 fuse plays a role in overcurrent protection, a lightning protection device MOV1 plays a role in intercepting lightning strike heavy current and high voltage to avoid damage of electric equipment, a CX1 capacitor and an LF1 inductor filter electromagnetic waves in the commercial power to play a role in resisting electromagnetic interference, the current rectified by a rectifier BD1 is filtered by a high-voltage filter capacitor to filter harmonic interference in the commercial power, and a pulse control chip U1, a rectifier chip U4 and a high-frequency transformer T1 form a constant-current and constant-voltage control circuit to realize constant-current or constant-voltage control of charging and power supply; the current converted by the high-frequency transformer T1 is filtered by direct current through output filter capacitors C3 and C4, and an anti-electromagnetic interference filter inductor LF3 is arranged at an output interface to further avoid the interference of electromagnetic waves; the magnetic reset circuit composed of R5, R6, R7, R8, R9 and R9A can avoid the damage of the pulse control chip U1; the output rectifying low-voltage MOS circuit composed of Q2 and Q3 can ensure the stability of output voltage; U5A realizes the control of constant current.

In some embodiments of the present invention, the charging plug includes but is not limited to: DC plug and TYPE-C interface, DC plug can be used as the power supply connector of equipment such as notebook computer, integral TYPE computer, also can adopt interfaces such as TYPE-C to provide electric power for other consumer such as cell-phone.

In another embodiment of the present invention, the power adapter further comprises: the input end of the quick charging unit is connected with the output end of the conversion unit and is connected with the energy storage unit in parallel;

the output end of the quick charging unit is connected with the quick charging interface and is used for providing a quick charging power supply for the mobile equipment; the energy storage unit is also used for monitoring the electric quantity of the energy storage unit; fill interface soon includes: at least one USB interface and TYPE-C interface.

Specifically, referring to fig. 2 and 3, the positive and negative electrodes of the output end of the battery pack and the output end of the conversion unit respectively correspond to the input ports VIN and GND of the fast charging unit and are connected to the main control chip SW3515, and the SW3515 is a high-integration-level double-port charging chip with a multi-fast charging protocol, and supports double-port, independent current limiting and fast charging output of any port of the double a ports. The 5A high-efficiency synchronous buck converter is integrated, and various fast charging protocols such as QC/AFC/FCP/SCP/PE/SFCP/BC1.2, CC/CV modes and double-port management logic are supported. The input voltage is output by pins 21 to 26 of SW3515, after energy is stored by an energy storage circuit consisting of C7, C8 and C17, overcurrent protection and current detection are carried out by a detection circuit consisting of C9 to C12, R1 and R2, and energy storage is carried out by chips Q1 and Q2 respectively, so that the power adapter can be used by two USB ports of USB1 and USB2 respectively, can support 24W quick charging, can be compatible with the requirements of quick charging of mainstream mobile phones such as Huashi, millet, apple, OPPO, VIVO and the like, increases the functions of the adapter, enables the power adapter to supply power for electric equipment without being limited by voltage conversion, and meets different charging requirements of users. Meanwhile, the main control chip SW3515 can monitor the voltage of the battery so as to determine the residual capacity of the battery and display the residual capacity by matching with a connected display screen, so that a user can clearly know the residual capacity of the battery. Those skilled in the art can select different types of intelligent control chips or write different programs (e.g., SW3516H, SW3518S, SW3519S, etc.) as required to satisfy the fast charging protocol and the charging power, which is not limited herein.

It can be understood that the utility model discloses used battery package is the battery package of having integrateed charge-discharge control circuit among the prior art, and the battery package that the technical personnel in the field can need to use different models as required constitutes the energy storage unit, the utility model discloses do not limit here.

In practical application, the conversion unit circuit board, the quick charging unit circuit board and the battery pack are connected by the plug-pull terminals with the clamping positions, so that the battery pack is convenient to assemble, plug and use and is not easy to fall off.

In order to further optimize this technical solution and ensure the safety of the power adapter, as shown in fig. 5 to 7, in another embodiment of the present invention, the power adapter further includes: the protection device comprises a protection shell 1, wherein the protection shell 1 is used for accommodating an energy storage unit, a conversion unit and a quick charging unit;

and the protective shell 1 isolates and fixes the energy storage unit from the conversion unit and the quick charging unit.

Specifically, a display opening 2 and a quick charging opening 3 for placing a display screen and a USB interface are formed in the front of the protection shell 1, and a power line connector is reserved on the side surface of the protection shell 1; the inside of protection casing 1 is equipped with baffle 5 and divides into two accommodation space with the inside of protection casing 1, and one is used for placing the battery package, and another is used for placing the circuit board of conversion unit circuit board and quick charge unit, and wherein the circuit board setting of quick charge unit is because will place USB mouth and display screen in the top of conversion unit circuit board. The mode of placing respectively can be favorable to the heat dissipation of battery like this, reduces the temperature of battery, and further the safety of power consumption has been guaranteed, and the safety of power consumption is guaranteed to the temperature of still can set up corresponding louvre further reduction battery during operation on protection casing 1 certainly.

Connecting columns 4 are arranged at four corners of the protective shell, fixing holes 7 are arranged at corresponding positions of the bottom plate 6, and fixing bolts can be fixed through the fixing holes 7 and the connecting columns 4 to further enable the bottom plate 6 and the protective shell 1 to form a complete shell of the power adapter.

The utility model discloses above-mentioned embodiment provides a power adapter, integrated adapter, emergency power source, energy storage portable power source three's function has realized, still can guarantee the normal work of consumer after the outage, facilitates for the user.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A power adapter, comprising: the energy storage unit is connected with the conversion unit;

2. The power adapter as claimed in claim 1, further comprising: the input end of the quick charging unit is connected with the output end of the conversion unit and is connected with the energy storage unit in parallel;

3. The power adapter as claimed in claim 2, wherein the quick charging unit is further configured to monitor the amount of power of the energy storage unit.

4. The power adapter as claimed in claim 1, wherein the energy storage unit comprises: the battery pack is connected with the output end of the conversion unit and is connected with a charging plug connected with the output end of the conversion unit in parallel;

5. The power adapter as claimed in claim 4, wherein the battery pack comprises: 4 polymer batteries with the capacity of 5000mA are connected in series.

6. The power adapter as described in claim 4, wherein said battery pack further comprises: 8 polymer batteries with the capacity of 2500mA are connected in series and then connected in parallel after being connected in series.

7. The power adapter as described in claim 4, wherein said control switch is a normally closed temperature controlled switch.

8. The power adapter as claimed in any one of claims 1 to 7, wherein the charging plug comprises: a DC plug and a TYPE-C interface.

9. The power adapter as claimed in claim 2, wherein the fast charging interface comprises: at least one USB interface and TYPE-C interface.

10. The power adapter as claimed in claim 2, further comprising: the protection shell is used for accommodating the energy storage unit, the conversion unit and the quick charging unit;