WO2020001154A1

WO2020001154A1 - Power converter having overcurrent protection function

Info

Publication number: WO2020001154A1
Application number: PCT/CN2019/084783
Authority: WO
Inventors: 曾广莉; 王承兵; 王�锋
Original assignee: 东莞市佳旅电器有限公司
Priority date: 2018-06-26
Filing date: 2019-04-28
Publication date: 2020-01-02
Also published as: CN208548535U

Abstract

A power converter having an overcurrent protection function. The power converter comprises several plug assemblies (1), a conductive sheet assembly (2), a socket (3) and an overcurrent protector (4), wherein the plug assemblies are provided with several conductive contact sheets (11) for coming into contact with the conductive sheet assembly; the conductive sheet assembly is mainly composed of two conductive sheets (21); and the overcurrent protector is connected in series with one conductive sheet from the two conductive sheets and is connected to the socket to form a circuit, and the other conductive sheet from the two conductive sheets is connected to the socket. The power converter having an overcurrent protection function achieves the effect of timely and effective protection when an overcurrent occurs, so that the safety in use of the power converter can be improved, the power converter can be effectively protected and the occurrence of a phenomenon of being burnt out can be prevented.

Description

Power converter with overcurrent protection function

Technical field

The utility model relates to a power converter, in particular to a power converter with an overcurrent protection function.

Background technique

Due to the different specifications of plugs and sockets in various countries, they cannot be used universally. If you need to insert the plug into a socket with a mismatched specification, you need to go through a power converter. The power converter is a conversion tool. When used, the power converter is inserted into the target socket, and then the target plug is inserted into the matching socket hole on the power converter to achieve the conversion. The emergence of power converters has improved the convenience of people's outings, especially when traveling internationally, without worrying about the trouble caused by the mismatch between the plug of the electronic equipment and the local power outlet.

However, due to structural limitations, the existing power converters do not have an overcurrent protection function. When an excessive current occurs, there are hidden safety hazards, and even the phenomenon that the power converter is burned out.

Utility model content

In view of the above-mentioned shortcomings, the purpose of the present invention is to provide a power converter with an overcurrent protection function. When an excessive current occurs, it can provide timely and effective protection, improve the safety of the power converter, and effectively protect the power supply. Converter to prevent burnout.

The technical solutions adopted by the utility model to achieve the above-mentioned objectives are:

A power converter with an overcurrent protection function is characterized in that it includes a plurality of plug components, a conductive sheet component, a socket, and an overcurrent protector. The plug component is provided with a contact for contacting the conductive sheet component. The conductive sheet assembly is mainly composed of two conductive sheets; the overcurrent protector is connected in series with one of the two conductive sheets and is connected to the socket to form a circuit, and the two conductive sheets The other conductive piece in is connected to the socket.

As a further improvement of the present utility model, the plug assembly includes a plug base and a plurality of pins disposed on a lower end surface of the plug base. The conductive contact pieces are disposed on the sides of the plug base and correspond to the pins one-to-one. .

As a further improvement of the present utility model, it further includes an intermediate conductive sheet disposed between the two conductive sheets and connected to the socket, and the intermediate conductive sheet is provided with a plurality of intermediate conductive clips through which the conductive contact sheets are inserted.

As a further improvement of the present invention, the number of the pins is three, and the number of the conductive contact pieces is three.

As a further improvement of the utility model, a plurality of conductive clips are provided on the conductive sheet for the conductive contact sheet to be inserted.

As a further improvement of the present utility model, the plug assembly is disposed above the conductive sheet assembly.

As a further improvement of the utility model, the overcurrent protector is provided with two connection pins, one of which is connected to a conductive piece, and the other connection pin is connected to a socket.

As a further improvement of the present invention, a key is provided on the overcurrent protector.

As a further improvement of the present utility model, the two conductive pieces are a live wire and a zero wire, respectively.

As a further improvement of the utility model, the overcurrent protector is connected in series with the live wire.

The beneficial effect of the utility model is: by connecting an overcurrent protector in series on the live or neutral line in the power converter, the structure design is reasonable, and when the current is too large, it plays the role of timely and effective protection and improves the power converter The safety of use effectively protects the power converter from being burnt out.

The above is an overview of the technical solution of the utility model. The following further describes the utility model with reference to the drawings and specific embodiments.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic structural diagram of a combination of two sets of a plug assembly, a conductive sheet assembly, a socket, and an overcurrent protector of the present invention;

2 is a schematic structural diagram of a combination of two sets of a plug assembly, a conductive sheet assembly, and an overcurrent protector according to the present invention;

3 is a schematic structural diagram of a combination of a plug assembly, a conductive sheet assembly and an overcurrent protector of the present invention;

FIG. 4 is another schematic structural diagram of a combination of a plug assembly, a conductive sheet assembly and an overcurrent protector of the present invention.

detailed description

In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined purpose, the following describes the specific implementation manners of the utility model in detail with reference to the drawings and preferred embodiments.

1 to 4, an embodiment of the present invention provides a power converter with an overcurrent protection function, which includes a plurality of plug components 1, a conductive sheet component 2, a socket 3, and an overcurrent protector 4, Wherein, the plug component 1 has a plurality of conductive contact pieces 11 for contacting the conductive piece component 2; the conductive piece component 2 is mainly composed of two conductive pieces 21, and at the same time, conductive contacts are provided on the conductive piece 21 The sheet 11 is inserted into a plurality of conductive clips 211. The overcurrent protector 4 is connected in series with one of the two conductive pieces 21 and is connected to the socket 3 to form a circuit. The other conductive piece of the two conductive pieces 21 is connected to the socket 3.

In this embodiment, the overcurrent protector 4 is provided with two connection pins 41, one of which is connected to the conductive sheet 21, and the other connection pin is connected to the socket 3.

At the same time, the two conductive pieces 21 in this embodiment are a live line and a neutral line, respectively. The overcurrent protector 4 can be connected in series with the live line or in series with the neutral line. However, to improve safety, it is preferable to protect the overcurrent The device 4 is connected in series with the live wire.

In this embodiment, a button 42 is provided on the overcurrent protector 4.

In this embodiment, the plug assembly 1 includes a plug base 12 and a plurality of pins 13 provided on a lower end surface of the plug base 12. The plurality of conductive contact pieces 11 are provided on a side of the plug base 12 and are connected to the plug base 12. Pins 13 correspond one-to-one.

At the same time, the power converter of this embodiment further includes an intermediate conductive piece 5 disposed between the two conductive pieces 21 and connected to the socket 3. The intermediate conductive piece 5 is provided with a plurality of intermediate conductive pieces for the conductive contact piece 11 to be inserted into. Clip 51.

In this embodiment, the number of the pins 13 is three, and the number of the conductive contact pieces 11 is three.

In this embodiment, the plug assembly 1 is disposed above the conductive sheet assembly 2. When the plug assembly 1 to be pushed out is pushed down, the pins 13 penetrate the outside, and the conductive contact sheet on the plug assembly 1 is facilitated. 11 is inserted into the conductive clip 211 of the conductive sheet 21 to achieve an electrical connection function.

In specific power converter products, the number of plug assemblies 1 may be one group, as shown in FIGS. 3 and 4, or two groups, as shown in FIGS. 1 and 2, and of course, three groups, or More groups, designed according to specific product needs.

In specific work, push down the plug assembly 1 that needs to be pushed out, so that the conductive contact pieces 11 are respectively inserted into the conductive clips 211 on the conductive piece 21 to achieve the electrical connection between the plug component 1 and the conductive piece 21; at the same time, due to overcurrent The protector 4 is connected in series between the conductive sheet and the upper socket 3, and has an overcurrent protection function while achieving a conduction function. When the other plug assembly 1 is pushed down, the conduction principle is the same.

When the current in the circuit is too large, the circuit is disconnected by the action of the overcurrent protector 4; after solving the problem of excessive current, press the button 42 on the overcurrent protector 4, the power converter and the overcurrent protector 4 Resume work and play the role of overcurrent protection.

The above description is only the preferred embodiment of the present invention, and does not limit the technical scope of the present invention. Therefore, the other structures obtained by using the same or similar technical features as the above embodiments of the present invention are all It is within the protection scope of this utility model.

Claims

A power converter with an overcurrent protection function is characterized in that it includes a plurality of plug components, a conductive sheet component, a socket, and an overcurrent protector. The plug component is provided with a contact for contacting the conductive sheet component. The conductive sheet assembly is mainly composed of two conductive sheets; the overcurrent protector is connected in series with one of the two conductive sheets and is connected to the socket to form a circuit, and the two conductive sheets The other conductive piece in is connected to the socket.
The power converter with an overcurrent protection function according to claim 1, wherein the plug assembly comprises a plug base and a plurality of pins disposed on a lower end surface of the plug base, and the plurality of conductive contact pieces are disposed on The side of the plug base is one-to-one corresponding to the pins.
The power converter with an overcurrent protection function according to claim 2, further comprising an intermediate conductive sheet disposed between the two conductive sheets and connected to the socket, and the intermediate conductive sheet is provided with a conductive material. Several intermediate conductive clips are inserted into the contact piece.
The power converter with an overcurrent protection function according to claim 3, wherein the number of the pins is three, and the number of the conductive contact pieces is three.
The power converter with overcurrent protection function according to claim 1, wherein a plurality of conductive clips are provided on the conductive sheet for the conductive contact sheet to be inserted.
The power converter with an overcurrent protection function according to claim 1, wherein the plug component is disposed above the conductive sheet component.
The power converter with overcurrent protection function according to claim 1, wherein the overcurrent protector is provided with two connection pins, one of which is connected to a conductive piece, and the other connection pin is connected To the socket.
The power converter with an overcurrent protection function according to claim 1, wherein a button is provided on the overcurrent protector.
The power converter with overcurrent protection function according to claim 1, wherein the two conductive pieces are a live line and a neutral line, respectively.
The power converter with an overcurrent protection function according to claim 9, wherein the overcurrent protector is connected in series with a live wire.