CN218732199U - an electrical connector - Google Patents

Abstract

An electrical connector for use on a single board, comprising: a connector including a base and at least two terminals, any one of the at least two terminals being fixed to the base at an end thereof; at least one fuse base for mounting a fuse; wherein, a fuse is arranged in any one of the at least one fuse base; at least one terminal of the at least two terminals is electrically connected to the veneer through the corresponding fuse in the at least one fuse base by the end part of the terminal so as to provide a switchable current loop for the veneer; wherein the at least one fuse base is adjacent to the base and is located on a side opposite to the end of the terminal secured to the base. The time for replacing the fuse is short, the occupied area of the board is small, the quick recovery of the electric connector can be met, the requirement of a high-integration-level single board can be met, and the universal socket has universality.

Description

an electrical connector

technical field

The present application relates to the technical field of electronic devices, in particular to an electrical connector.

Background technique

An electrical connector is an electrical component used to connect circuits. It is mainly used in electronics, home appliances, processing equipment, etc., especially if an electrical connector is installed on a single board, it can make the circuit connection more convenient and simple. In a high-voltage/high-current circuit, the instantaneous current or high voltage may damage other electronic devices or equipment in the circuit. Therefore, in order to avoid damage to other electronic devices or equipment due to short circuits and overload of electrical connectors, generally The way to increase the fuse.

In the existing electrical connectors, the fuse is usually fixed in the plastic seat of the electrical connector. Once the fuse is damaged due to short circuit or overload, it is more complicated to replace. It takes a long time to replace the fuse, which is not conducive to the rapid recovery of the electrical connector. . The fuse of some electrical connectors is arranged at the interface of the connector. This type of electrical connector occupies a large area of the board, which is not conducive to the integrated layout of the single board device, and cannot meet the needs of the highly integrated single board. In addition, it cannot meet the installation of some devices that have special space requirements at the interface of the electrical connector, and is not universal.

Utility model content

The embodiment of the present application proposes an electrical connector, which takes a short time to replace the fuse and occupies a small board area, which can not only meet the rapid recovery of the electrical connector, but also meet the needs of highly integrated single boards, and has universal applicability .

An electrical connector is proposed, which is applied to a single board, comprising: a connector including a base and at least two terminals, any one of the at least two terminals is fixed on the base by its end; at least one insurance base A seat for installing a fuse; wherein, a fuse is installed in any one of the at least one fuse base; at least one of the at least two terminals passes through the corresponding fuse in the at least one fuse base through its end Electrically connected to the single board so as to provide the single board with an accessible current loop; wherein at least one safety base is adjacent to the base and is located on the side opposite to the end of the terminal fixed on the base. The detachable connection between the fuse and the fuse base can save many links in the fuse installation process, thus greatly improving the installation efficiency. In addition, the safety base is arranged on the bottom surface of the insulating cavity. On the one hand, because it does not occupy the space at the interface of the electrical connector, the application range of the electrical connector interface is wider, and it can meet some special space requirements for the interface of the electrical connector. The device installation is universal. On the other hand, when replacing the fuse, there is no need to pull out the connecting device at the interface of the electrical connector, just replace the fuse on the outer bottom surface of the insulating cavity, saving time and effort, and can be quickly restored to use if the fuse is damaged .

In a possible implementation manner, the base is an insulating cavity with one end open.

In a possible implementation manner, any one of the at least one insurance base includes: a first pin, and the first pin is electrically connected to the single board.

In a possible implementation manner, any one of the at least one safety base further includes: a first safety seat and a second safety seat, wherein the first safety seat is electrically connected to one of the plurality of terminals. connection; the second insurance seat is electrically connected with the first pin. The electrical connector proposed in this embodiment is suitable for DC or AC power supply, and simultaneously satisfies two-phase, three-phase or multi-phase power supply, and multiple terminals are determined according to the actual power supply mode. The fuse seat is divided into two parts, one part is connected to the terminal, and the other part is electrically connected and fixed to the single board through pins. The electrical connector proposed in this embodiment is detachably connected to the two poles of the fuse through two insurance seats, on the one hand, it establishes an electrical connection, and on the other hand, it plays the role of fixing the fuse. Using this fixing method to disassemble and install the fuse is very convenient.

In a possible implementation manner, any one of the at least one insurance base further includes: a second pin, wherein one of the terminals not connected to the first insurance base passes through the second pin The pins are electrically connected to the single board.

In a possible implementation manner, the two poles of the fuse are detachably connected to the first safety seat and the second safety seat respectively. The fuse seat is divided into two parts, one part is connected to the terminal, and the other part is electrically connected and fixed to the single board through pins. The electrical connector proposed in this embodiment is detachably connected to the two poles of the fuse through two insurance seats, on the one hand, it establishes an electrical connection, and on the other hand, it plays the role of fixing the fuse. Using this fixing method to disassemble and install the fuse is very convenient.

In a possible implementation manner, the length direction of the fuse is perpendicular to the board. The fuse is installed perpendicular to the board, and the fuse occupies a small area of the board, saving space.

In a possible implementation manner, the fuse includes one or more of no-lead fuse, single-lead fuse, and double-lead fuse. This application is applicable to various types of insurance and has a wide range of applications.

In a possible implementation manner, it further includes: a first metal connecting piece and a second metal connecting piece, wherein the first metal connecting piece is used to connect the first safety seat to one of the multiple terminals; the second The metal connecting piece is used to connect the second insurance seat and the first pin. On the one hand, the use of metal connectors can establish electrical connection between the terminal and the fuse seat, and between the fuse seat and the pins, and on the other hand, it can support the pins.

In a possible implementation manner, it further includes: a third metal connecting piece, the third metal connecting piece is used to connect one of the terminals not connected to the first safety seat with the second pin. The third metal connecting member can establish an electrical connection between one of the multiple terminals not connected to the first safety seat and the second pin, and can also support the second pin.

In a possible implementation manner, multiple terminals are arranged in parallel.

In a possible implementation manner, there is an included angle between the geometric positions of the multiple terminals. Multiple terminals can be arranged according to standard definition or user definition to meet the requirements of connectors of different standards and specifications.

Description of drawings

FIG. 1 is a schematic structural diagram of an electrical connector proposed in an embodiment of the present application;

FIG. 2 is a rear view of an electrical connector proposed in an embodiment of the present application;

FIG. 3 is a rear view of another electrical connector proposed in the embodiment of the present application;

FIG. 4 is a schematic diagram of a terminal arrangement of an electrical connector proposed in an embodiment of the present application;

FIG. 5 is a schematic diagram of terminal arrangement of another electrical connector proposed in the embodiment of the present application;

6( a )-( c ) are schematic diagrams of the assembly of terminals, fuse bases, fuses and pins of an electrical connector proposed by the embodiment of the present application.

Detailed ways

With the progress of industry, all kinds of veneers are widely used in various industrial products, and the integration of veneers is getting higher and higher. In order to meet the requirements of device insertion, pin spacing and fixation, veneer processing is not only for The board area of the device has certain requirements, and it also puts forward higher requirements for production efficiency.

FIG. 1 is a schematic structural diagram of an electrical connector proposed in an embodiment of the present application. As shown in Figure 1, an electrical connector is proposed, which is applied to a single board and may include: a connector and at least one insurance base, wherein the connector includes a base 1 and at least two terminals 4, at least two Any terminal 4 in the terminal 4 is fixed on the base 1 with its end; at least one insurance base 2 is used to install the fuse 3; wherein, a fuse is installed in any one of the insurance base 2 in the at least one insurance base 2 3. At least one terminal 4 of the at least two terminals 4 is electrically connected to the single board through its end through at least one corresponding fuse 3 in the insurance base 2, so as to provide the single board with an accessible current loop; wherein, At least one insurance base 2 is adjacent to the base 1 and is located on a side opposite to the end of the terminal 4 fixed on the base 1 .

The base 1 is an insulating cavity with an opening on one side; a plurality of terminals 4 are arranged in the base 1, and one end of any terminal 4 in the plurality of terminals 4 is fixedly arranged on the inner bottom surface of the insulating cavity; at least one insurance base 2 It is arranged outside the base 1 and is fixedly arranged on the outer bottom surface of the insulating cavity, and each insurance base 2 is electrically connected to one end of a plurality of terminals 4 fixedly arranged on the bottom of the insulating cavity; wherein at least one Any one of the insurance bases 2 has a first pin 7 for electrical connection with the single board; at least one fuse 3 is detachably connected to the insurance base 2, wherein the fuse 3 is connected to the insurance base 2 Corresponding to the number; a plurality of terminals 4, fuses 3, single boards and external devices electrically connected to the plurality of terminals 4 form a loop. The opening of the base 1 is an electrical connector interface 9 for connecting external devices; the base 1 can be made of insulating material, such as plastic. The electrical connector interface 9 is suitable for DC or AC power supply, and can also meet the needs of two-phase, three-phase or multi-phase power supply.

2-3 are rear views of two kinds of electrical connectors proposed by the embodiments of the present application. 2-3, at least one insurance base 2 can be provided outside the base 1 and on the outer bottom surface of the insulating cavity; the insurance base 2 can be made of conductive material, so that the fuse 3 and the insurance base 2 can directly establish an electrical connection. connect. The fuse base 2 can also be made by partially insulating the conductive material. The conductive material of the fuse base 2 in this form will be partially exposed, and the exposed part is used to establish an electrical connection with the fuse 3 . The surface where the electrical connector interface 9 is located faces the outside of the board, and a certain space is required at the electrical connector interface 9 to facilitate the connection of external devices. The bottom surface of the insulating cavity is provided with an installation hole penetrating through the bottom surface of the insulating cavity, which is used for installing the insurance base 2 or passing through the pins. Each insurance base 2 has a first pin 7 for electrical connection with the single board; the terminal connected to the live wire in the circuit can be called a live wire terminal, and the terminal connected to the ground wire can be called a ground wire terminal. Pin 7 is for the live wire terminal.

The number of safety bases 2 arranged on the electrical connector may be one or more, which may be consistent with the number of phases of the power supply. The fuse 3 is detachably connected to the fuse base 2 , and in one example, the number of the fuse 3 may be the same as that of the fuse base 2 . The connection methods of the fuse 3 and the fuse base 2 include but are not limited to plugging and unplugging, and only need to meet the requirements of quick disassembly and assembly. In another example, the fuse 3 may be arranged perpendicular to the single board, and in this manner, the arrangement of the fuse base 2 is also consistent with that of the fuse 3 . The arrangement of the fuse 3 perpendicular to the single board enables the fuse 3 to occupy a small board area and save space.

The embodiment of the present application adopts a detachable connection mode between the fuse 3 and the fuse base 2, which can save many links in the installation process of the fuse 3, thus greatly improving the installation efficiency. In addition, the insurance base 2 is arranged on the outer bottom surface of the insulating cavity. On the one hand, since the space at the electrical connector interface 9 is not occupied, the electrical connector interface 9 has a wider application range, and can satisfy some requirements for the electrical connector interface. 9 devices with special space requirements are installed, which is universal. On the other hand, when replacing the fuse, there is no need to pull out the connecting device at the interface 9 of the electrical connector, and the fuse 3 on the outer bottom surface of the insulating cavity can be replaced directly, which saves time and effort, and can be quickly replaced when the fuse is damaged. Reuse.

4-5 are schematic diagrams of terminal arrangements of two electrical connectors proposed in the embodiments of the present application. 4-5, the base 1 also includes: a plurality of terminals 4, which are all arranged in the electrical connector interface 9; the terminals 4 are made of conductive materials, and the number of the terminals 4 can be 2, 3 or more , which can correspond to the number of phases of the power supply. The arrangement of multiple terminals 4 on the electrical connector can also be set according to different standards and specifications, such as being arranged in parallel, having an included angle between them, and the like. The number of terminals 4 can be determined according to actual conditions. In this way, the terminals 4 are arranged according to standard definitions or user definitions, which can meet the requirements of connectors of different standards and specifications.

6( a )-( c ) are schematic diagrams of the assembly of terminals, fuse bases, fuses and pins of an electrical connector proposed by the embodiment of the present application. As shown in Figure 6 (a) or (c), each insurance base 2 can comprise: the first insurance seat 5 and the second insurance seat 6, the material of the first insurance seat 5 and the second insurance seat 6 can be the same, Can be made of conductive material. The first safety seat 5 and the second safety seat 6 can also be made in a way that a part of the insulating material wraps the conductive material. The conductive material of the first safety seat 5 and the second safety seat 6 manufactured in this form will be partially exposed, and the exposed part is used to establish an electrical connection with the fuse 3 . The first safety seat 5 and the second safety seat 6 are respectively fixedly arranged on the outer bottom surface of the insulating cavity.

The electrical connector may include multiple pins. As shown in FIG. 6 , the electrical connector includes a first pin 7 and a second pin 8 . The first pin 7 is connected to the live wire terminal, and the second pin 8 is connected to the ground wire terminal. Wherein, each insurance base 2 has a first pin 7 .

In one example, the first fuse seat 5 can be directly electrically connected to the terminal 4, the second fuse seat 6 can also be directly electrically connected to the first pin 7, and the second pin 8 can also be directly established with the terminal 4. electrical connection. As shown in Figure 6 (a) or (c), the first insurance seat 5 can be electrically connected to one of the terminals 4 in the plurality of terminals 4; the second insurance seat 6 can be electrically connected to the first pin 7; As shown in FIG. 6( b ), one of the terminals 4 not connected to the first safety seat 5 is electrically connected to the single board through the second pin 8 .

In another example, the electrical connections between the first insurance seat 5 and the terminal 4, between the second insurance seat 6 and the first pin 7, and between the second pin 8 and the terminal 4 can also be realized through metal connectors. . In this embodiment, the electrical connector may further include: a first metal connecting piece, a second metal connecting piece and a third metal connecting piece, wherein the first metal connecting piece is used to connect the first safety seat 5 and the plurality of terminals 4 One of the terminals 4; the second metal connector is used to connect the second insurance seat 6 and the first pin 7. The third metal connecting piece is used to connect one of the terminals 4 not connected to the first safety seat 5 with the second pin 8 .

On the one hand, the use of metal connectors can establish an electrical connection between the terminal 4 and the insurance seat, and between the insurance seat and the pins, and on the other hand, it can support the pins.

The two poles of the fuse 3 are detachably connected to the first safety seat 5 and the second safety seat 6 respectively. The fuse seat is divided into two parts, one part is connected to terminal 4, and the other part is electrically connected and fixed to the single board through pins. In one example, both the first fuse seat 5 and the second fuse seat 6 have a quick connection part for quick connection of the fuse 3 . The shape of the quick connection part can correspond to the shape of the fuse 3 and has elasticity, so as to ensure that the fuse 3 can be easily installed or removed. The quick connection part can be selected from mature existing technologies, such as buckle type, plug-in type, etc., without specific limitation.

The electrical connector proposed in the embodiment of the present application is suitable for DC or AC power supply, and satisfies two-phase, three-phase or multi-phase power supply at the same time, and the multiple terminals 4 are determined according to the actual power supply mode. The fuse seat is divided into two parts, one part is connected to terminal 4, and the other part is electrically connected and fixed to the single board through pins. The electrical connector proposed in the embodiment of the present application is detachably connected to the two poles of the fuse 3 respectively through two fuse seats, on the one hand establishes an electrical connection, and on the other hand plays the role of fixing the fuse 3, using this fixing method to disassemble and install the fuse 3 are very convenient.

The fuse 3 can be selected from one or more of no-lead fuse, single-lead fuse and double-lead fuse. The installation method of the leadless fuse and the fuse base 2 is the same as that described above, and the installation method of the single-lead or double-lead fuse and the fuse base 2 is roughly the same as that of the leadless fuse. The difference is that the lead wire can be directly electrically connected to the terminal 4 or the pin to replace the metal connecting piece mentioned above, which can reduce the arrangement of metal parts and reduce the cost. In another embodiment, the lead wire of the lead wire fuse may also be directly electrically connected to the fuse base 2 . The embodiment of the present application is applicable to various types of insurance, and has a wide range of applications.

The above is only a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any person familiar with the technical field can easily conceive of changes or changes within the technical scope disclosed in this application Replacement should be covered within the protection scope of this application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims (12)

1. An electrical connector for use on a single board, comprising:

a connector including a base and at least two terminals, any one of the at least two terminals being fixed to the base at an end thereof;

at least one fuse base for mounting a fuse; a fuse is installed in any one of the at least one fuse base;

at least one of the at least two terminals is electrically connected to the single board through the fuse wire corresponding to the terminal in the at least one fuse base by the end part of the terminal so as to provide a switchable current loop for the single board; wherein the at least one fuse base is adjacent to the base and on a side opposite the end of the terminal secured to the base.

2. The electrical connector of claim 1, wherein the base is an insulative cavity open at one end.

3. The electrical connector of any of claims 1-2, wherein any of the at least one fuse base comprises:

and the first pin is electrically connected with the single board.

4. The electrical connector of claim 3, wherein any one of the at least one fuse base further comprises:

a first relief seat electrically connected to one of the plurality of terminals;

and the second fuse holder is electrically connected with the first pin.

5. The electrical connector of claim 4, wherein any one of the at least one fuse base further comprises:

and a second pin, wherein one of the terminals which is not connected with the first safety seat is electrically connected with the single board through the second pin.

6. The electrical connector of claim 4, wherein two poles of the fuse are detachably connected to the first and second fuse holders, respectively.

7. The electrical connector of claim 1, wherein the length of said fuse is oriented perpendicular to said board.

8. The electrical connector of claim 1, wherein the fuse comprises one or more of a no-lead fuse, a single-lead fuse, and a dual-lead fuse.

9. The electrical connector of any of claims 4-6, further comprising:

a first metal connector for connecting the first relief socket with one of the plurality of terminals;

and the second metal connecting piece is used for connecting the second fuse holder and the first pin.

10. The electrical connector of claim 5, further comprising:

and the third metal connecting piece is used for connecting one of the terminals which are not connected with the first safety seat with the second pin.

11. The electrical connector of claim 1, wherein the plurality of terminals are arranged in parallel.

12. The electrical connector of claim 1, wherein the plurality of terminals are geometrically positioned with an included angle therebetween.

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