CN204835050U - Multifunctional charging strip - Google Patents

Abstract

The utility model relates to the technical field of electric products, in particular to a multifunctional charging socket, which is provided with a shell, wherein the shell consists of an upper cover and a lower cover, and the inner cavity of the shell is at least divided into a power jack area and a USB charging area by an anti-electrophoresis partition wall; the power jack modules are assembled in the power jack area of the shell, and the inserting ends of the power jack modules are exposed on the outer side surface of the shell; the USB interfaces are assembled in a USB charging area of the shell, the inserting ends of the USB interfaces are exposed on the outer side surface of the shell, the USB interfaces are electrically connected with a charging module, and the charging module is hidden in the USB charging area; the power switch group is arranged on the shell and used for switching on and off the power supply. The utility model discloses structural nature and security are better to there is the electrophoresis partition wall to keep apart, effectively prevents the influence that the electrophoresis that instantaneous heavy current formed caused, protection USB interface. The USB interface has single-path protection and is safer to use.

Description

Multifunctional charging strip

technical field

The utility model relates to the technical field of electrical appliances, in particular to a charging socket with a USB charging function.

Background technique

Plug-in strip claims again supply socket, refers to the insertable seat of one or more circuit connections, can insert various wiring by it, is convenient to connect with other circuit, promptly can insert various wiring by it, is convenient to connect with other circuit. connected. Through the connection and disconnection between the line and the copper parts, the final connection and disconnection of the part of the circuit is achieved. The power socket is an electrical device that provides a power interface for household appliances, and it is also an electrical accessory that is used more in residential electrical design. It has a very close relationship with people's lives. With the improvement of living standards, every household has a lot of electronic products, such as MP3, MP4, mobile phones, cameras, etc., and these products generally have USB data cables. If you need to charge, you need to buy a charger, and then plug the charger into To realize the charging of electronic products on the socket, not only the operation is cumbersome, but also a charger must be purchased. Later, a charging strip with USB charging function appeared, which can be inserted into various wirings, and can also provide charging USB at the same time, but the existing charging strip with USB charging function will form a large instantaneous current when the power socket is plugged and unplugged. , radiate to the charging USB, affect the use of the charging USB, and even destroy the charging USB circuit.

As USB is more and more widely used in electronic products, USB load devices are also getting bigger and bigger. However, the load capacity of the USB interface device is limited. When the USB load exceeds the load capacity of the interface, its power supply circuit will often be damaged. Therefore, the power protection of the USB interface has great practical value; however, the multi-channel USB charging strips and chargers currently on the market do not have single-channel protection. The power supply is stopped and cannot be used normally. Moreover, multi-channel USB chargers are characterized by large currents. Once short-circuited, the charging equipment may be damaged, or even catch fire, bringing safety hazards to users.

Contents of the invention

The purpose of the utility model is to overcome the defects of the prior art and provide a multi-functional charging plug-in strip which is safe to use and can directly charge electronic products. It has single-channel USB interface protection and self-recovery function to solve the short circuit problem of large instantaneous current caused by hot plugging.

In order to achieve the above object, the utility model adopts the following technical solutions:

Multi-functional charging strip, which has:

A casing, the casing is composed of an upper cover and a lower cover, and the inner cavity of the casing is at least separated from a power jack area and a USB charging area by an anti-electrophoresis partition wall;

A plurality of power jack modules are assembled in the power jack area of the casing, and the plug-in ends of the power jack modules are exposed on the outer surface of the casing;

A plurality of USB interfaces are assembled in the USB charging area of the casing, the plug ends of the USB interfaces are exposed on the outer surface of the casing, the USB interfaces are electrically connected to a charging module, and the charging module is hidden in the USB charging area;

The power switch is assembled on the housing to switch the power on and off.

The above solution further includes: an over-current self-recovery insurance element is embedded in the power supply circuit of each USB interface.

The above solution is further as follows: each of the USB interfaces is equipped with an automatic current identification and detection circuit, and the automatic current identification and detection circuit has an IC with a model number of UC2635.

The above scheme is further as follows: there are two power switches, which constitute two-way driving, respectively turning on and off the power jack module and the USB interface.

The above solution further includes: there is also an anti-electrophoresis partition between the USB interface and the charging module.

The beneficial effects of the utility model are:

1. The inner cavity of the shell is divided into power supply jack module and USB interface assembly, the power jack module and USB interface are designed separately, which has better structure and safety, and is isolated by an anti-electrophoresis partition wall, which can effectively prevent instantaneous large current The impact caused by the formed electrophoresis protects the USB interface.

2. The USB interface has a single-channel protection, which can be cut off automatically according to the actual load situation, while the other USB charging channels are powered as usual, which is safer to use; in addition, the reset of the over-current self-recovery insurance element can be used repeatedly, saving costs, Plug MP3, MP4, mobile phones and other products with USB data lines into this power strip for charging, and it can be charged after plugging in, which is very convenient to use.

3. The circuit has good versatility, simple structure, low cost, and is easy to implement and improve.

Description of drawings:

Accompanying drawing 1 is the schematic diagram of the external structure of the preferred embodiment of the utility model;

Accompanying drawing 2 is the internal structure distribution schematic diagram of Fig. 1 embodiment;

Accompanying drawing 3 is the enlarged schematic diagram of the partial structure of Fig. 1 embodiment;

Accompanying drawing 4 is the schematic diagram of the single protection circuit of the USB interface of the present invention.

Detailed ways:

The conception, specific structure and technical effects of the present utility model will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model.

Referring to Figures 1, 2, 3, and 4, which are schematic diagrams of preferred embodiments of the present invention, the utility model relates to a multifunctional charging socket, which has a housing 1, several power jack modules 2, several USB interface 3 and power switch 5, this casing is made of upper cover 11 and lower cover 12, and the inner cavity of casing 1 is separated at least with power jack area 14, USB charging area 15 by anti-electrophoresis partition wall 13; The wall 13 is integrally formed with the upper cover 11 or the lower cover 12. A number of power jack modules 2 are set in the power jack area 14 of the casing 1, and are connected with the power module (not shown in the figure), so as to realize insertion of various wirings and facilitate connection with other circuits. The plug-in end of the power jack module 2 is exposed on the outer surface of the housing 1; in this embodiment, the plug-in end of the power jack module 2 is exposed on the upper side of the upper cover 11; the upper cover 11 is provided with corresponding through holes for The power jack module 2 is embedded, and an anti-retraction hook 111 and a limiting flange 112 are provided on the inside of the through hole. The anti-retraction hook 111 is fastened to the power jack module 2 to be a stable assembly; the limiting flange 112 provides positioning and limiting , increase the stability of the assembly of the power socket module 2, and effectively prevent the arc diffusion radiation generated by plugging and unplugging, and the arrangement of the power socket modules 2 is easier to be idealized. Several USB ports 3 are grouped in the USB charging area 15 of the housing 1 , and the plug ends of the USB ports 3 are exposed on the outer surface of the housing 1 , and can be exposed on the upper cover 11 or the lower cover 12 . The USB interface 3 is electrically connected to the charging module 4, and the charging module 4 is hidden in the USB charging area 15; the USB interface 3 and the charging module 4 are also separated by an anti-electrophoresis partition wall 13; this can effectively prevent instantaneous Protect the USB interface from the impact of electrophoresis caused by high current. 5 groups of power switches are arranged on the housing 1 to switch the power on and off. In this embodiment, there are two power switches 5, which constitute two-way driving, respectively switching the power jack module 2 and the USB interface 3, which is more energy-saving and environment-friendly.

As shown in FIG. 4 , in this implementation, an overcurrent self-recovery insurance element 6 is embedded in the power supply circuit of each USB interface 3 , and the overcurrent self-recovery insurance element 6 is preferably PPTC, which is a thermistor. When the short-circuit current of the electrical appliance reaches 3A, the over-current self-recovery insurance element 6 will automatically disconnect, cut off the power supply, and the other USB charging channels will supply power as usual; Restore power. In this embodiment, each USB interface 3 is also equipped with an automatic current identification detection circuit 7, and the automatic current identification detection circuit 7 has an IC model of UC2635 to identify the current of the Android system and the current of the Apple system, thereby automatically configuring the current Charging, to achieve intelligent charging.

The circuit of the utility model has good universality, simple structure, low cost, and is easy to realize and improve. The inner cavity of the shell is divided into power supply jack modules and USB interface assembly, the power jack module and USB interface are designed separately, which has better structure and safety, and is isolated by an anti-electrophoresis partition wall, which can effectively prevent the formation of instantaneous large current The impact caused by electrophoresis protects the USB interface. The USB interface has a single-channel protection, which can be cut off automatically according to the actual load situation, while the other USB charging channels can be powered as usual, which is safer to use; in addition, the reset of the over-current self-recovery insurance element can be used repeatedly, saving costs, and MP3 , MP4, mobile phones and other products with USB data cables can be plugged into this power strip for charging, and they can be charged after plugging in, which is very convenient to use.

Of course, the utility model has been described in detail above in conjunction with the embodiment, only to illustrate the technical concept and characteristics of the utility model, and its purpose is to let people familiar with this technology understand the content of the utility model and implement it. Equivalent changes or modifications made by the spirit of the present utility model shall be covered within the protection scope of the present utility model.

Claims (5)

1. The multifunctional charging socket is characterized in that: it has A housing (1), which is composed of an upper cover (11) and a lower cover (12), the inner cavity of the housing (1) is at least separated from the power jack area (14) by an anti-electrophoresis partition wall (13) , USB charging area (15); Several power jack modules (2) are assembled in the power jack area (14) of the housing (1), and the plug-in ends of the power jack modules (2) are exposed on the outer surface of the housing (1); A number of USB interfaces (3) are assembled in the USB charging area (15) of the casing (1), and the plug ends of the USB interfaces (3) are exposed on the outer surface of the casing (1). There is a charging module (4) connected to it, and the charging module (4) is hidden in the USB charging area (15); The power switch (5) is assembled on the housing (1) to switch the power on and off. 2. The multifunctional charging strip according to claim 1, characterized in that: an overcurrent self-recovery insurance element (6) is embedded in the power supply circuit of each USB interface (3). 3. The multifunctional charging plug-in strip according to claim 1 or 2, characterized in that: each USB interface (3) is equipped with an automatic current identification detection circuit (7), and the automatic current identification detection circuit (7) has IC with model number UC2635. 4. The multi-functional charging strip according to claim 1, characterized in that: there are two power switches (5), which constitute two-way driving, respectively turning on and off the power jack module (2) and the USB interface (3) . 5. The multifunctional charging strip according to claim 1, characterized in that: the USB interface (3) and the charging module (4) are also separated by an anti-electrophoresis partition wall (13).