CN211655230U

CN211655230U - AC socket for power inverter

Info

Publication number: CN211655230U
Application number: CN202020188669.9U
Authority: CN
Inventors: 梁海明; 万小平; 谢勇
Original assignee: Domeda Shenzhen Electrical Appliances Co ltd; Dometic Sweden AB
Current assignee: Domeda Shenzhen Electrical Appliances Co ltd; Dometic Shenzhen Electronics Co Ltd; Dometic Sweden AB
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-10-09
Anticipated expiration: 2030-02-20

Abstract

An alternating current socket for a power inverter comprises a shell part and internal parts accommodated in the shell part, wherein the shell part comprises an upper socket shell, a lower socket shell and a rear socket cover, and the internal parts comprise a safety protection part, a terminal bracket, an AC terminal, a PE terminal, a micro switch, a connector connected with a power inverter host, an LED lamp and a PCB circuit board; wherein: the AC terminal, the PE terminal, the microswitch, the connector and the LED lamp are directly mounted to the PCB; the terminal bracket is provided with a partition plate to support and partition the AC terminals; the safety protection component is arranged above the terminal support and comprises a protection door, a protection door support and a spring. The alternating current socket has the advantages that all electronic parts including the terminals, the micro switches, the connectors and the LED lamps are installed on the PCB, electrical connection is achieved without manual welding of wires, the production process is simple and convenient, reliability can be improved, product cost can be reduced, and the connectors enable the alternating current socket to be installed and maintained simply and conveniently.

Description

AC socket for power inverter

Technical Field

The utility model relates to a vehicle mounted power field specifically relates to an alternating current socket for power inverter.

Background

With the increase of the popularization rate of automobiles, when the automobiles work in occasions without commercial power or travel, the automobiles can be connected with the automobile storage battery by the power inverter to drive electric appliances (such as a mobile refrigerator, a power adapter, a charger and the like) to work, so that people can conveniently live.

In the ac outlet used for the power inverter at present, some or all of the components in its internal parts (such as terminals, micro switches, connectors, LED lamps, etc.) are connected by wires, which requires manual welding of the wires, makes it difficult to achieve automatic production and results in high production cost and unstable product quality.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the above-mentioned technical problem among the correlation technique. Therefore, the utility model provides a new alternating current socket for power inverter, this alternating current socket production technology is simple and convenient, the reliability is high and reduce product cost.

In order to achieve the above object, according to the present invention, an AC socket for a power inverter is provided, which includes a housing portion and internal components accommodated in the housing portion, wherein the housing portion includes an upper socket housing, a lower socket housing and a rear socket cover, and the internal components include a safety protection component, a terminal bracket, an AC terminal, a PE terminal, a micro switch, a connector connected to the power inverter, an LED lamp, and a PCB circuit board; the method is characterized in that:

the AC terminal, the PE terminal, the micro switch, the connector and the LED lamp are directly mounted on the PCB;

the terminal holder is provided with a partition to support and partition the terminals;

the safety protection component is arranged above the terminal bracket and comprises a protective door, a protective door bracket and a spring.

According to the utility model discloses an alternating current socket does not need manual welding electric wire through on all installing terminal (including AC terminal and PE terminal), micro-gap switch, connector and LED lamp to a PCB circuit board to can realize alternating current socket's automated production, improve the reliability and reduce manufacturing cost, and the setting up of this connector makes alternating current socket's installation maintain portably.

In addition, according to the utility model discloses a power inverter can also have following additional technical characterstic:

according to an aspect of the present invention, the number of the AC terminals is two, the number of the PE terminals is one, wherein the two AC terminals are respectively disposed at both sides of the PE terminal.

According to one aspect of the invention, the PE terminal comprises a central portion having a first PE terminal portion separated from the AC terminal by a separator of the terminal support.

According to one aspect of the present invention, the PE terminal includes upper and lower end portions, and the terminal holder is correspondingly provided with two notches through which the upper and lower end portions can respectively pass; wherein the ends of the upper and lower end portions have arc structures bent oppositely, and the upper housing of the socket is provided with an opening matched with the arc structures.

According to an aspect of the utility model, the connector mixes and is provided with the connecting terminal of different specifications, including the connecting terminal that is used for the AC power, be used for LED lamp signal and micro-gap switch signal's connecting terminal and be used for the connecting terminal of PE ground wire, be connected to through external cable power inverter host computer.

According to the utility model discloses an aspect, the casing is provided with four bolt holes on the socket, and wherein two bolt holes are corresponding with two AC terminals, and two other bolt holes are corresponding with first PE terminal part.

According to an aspect of the present invention, the PCB circuit board is provided with an opening at a position corresponding to the AC terminal and the first PE terminal portion, and the setting of this opening enables the plug pin of the plug to pass through this opening the PCB circuit board.

According to an aspect of the utility model, the trompil quantity on the PCB circuit board is four, and wherein two trompils are corresponding with two AC terminals, and two other trompils are corresponding with first PE terminal part.

According to an aspect of the utility model, the alternating current socket is including leaded light post and the U-shaped groove that is used for the LED lamp, and this U-shaped groove is including setting up U-shaped groove first part on the shutter support is in with the setting U-shaped groove second part on the terminal support.

According to an aspect of the present invention, the terminals, the micro switches and the LEDs are arranged at a top layer of the PCB circuit board, and the connector is arranged at a bottom layer of the PCB circuit board.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 shows a perspective view of an ac outlet according to the present invention;

fig. 2 shows an exploded view of an ac outlet according to the present invention;

fig. 3A and 3B show a perspective view and a side view in one direction, respectively, of a PCB circuit board component of an ac receptacle having terminals, micro-switches, connectors, and LED lights installed in accordance with the present invention;

fig. 4 is a schematic structural diagram of a PCB circuit board of an ac socket according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

An ac outlet according to the present invention is described below with reference to the drawings.

As shown in fig. 1 and 2, the ac outlet 100 includes a housing portion and internal components accommodated in the housing portion; the shell part comprises an upper socket shell 5, a lower socket shell 1 and a rear socket cover 13, and the internal parts comprise a protective door 3, a spring 4, a protective door bracket 8, a terminal bracket 9, two AC terminals 12, a PE terminal 10, a micro switch 2, a connector 14 connected with a power inverter host, an LED lamp 15 and a PCB circuit board 12.

Referring to fig. 3A and 3B, two AC terminals 12, one PE terminal 10, the micro switch 2 and the connector 14 are soldered to the PCB 12 using an interposer, wherein the two AC terminals 12 are located on both sides of the PE terminal 10; and the LED lamp 15 is soldered to the PCB 11 using a solder paste. The AC terminal 12, the PE terminal 10, the microswitch 2, the connector 14 and the LED lamp 15 are directly mounted and fixed to the PCB circuit board 11, that is, the electronic parts are electrically connected through the PCB circuit board 11 without connecting through an additional wire. This eliminates the need for manual welding of the wires, thereby simplifying the process and reducing costs. Additionally or alternatively, in an alternative embodiment, as shown in fig. 3A and 3B, two AC terminals 12, one PE terminal 10, a micro switch 2, and an LED lamp 15 may be disposed on a top layer 111 of the PCB circuit board 11, and a connector 14 may be disposed on a bottom layer 112 of the PCB circuit board 12.

Referring to fig. 2, the terminal holder 9 is mounted after soldering the respective electronic parts directly to the PCB circuit board. Specifically, the terminal holder 9 is provided with three openings 91 arranged side by side, and the terminal holder 9 is arranged such that the two AC terminals 12 and the first PE terminal portion 102 on the central portion 101 of the PE terminal 10 are inserted into the three openings 91, respectively. The two lower screw posts 92 of the terminal holder 9 are aligned with the two screw posts 16 of the socket lower case 1, and the two screws 17 are screwed into the

screw posts

16 and 92 to fix the terminal holder 9. The AC terminal 12 and the first PE terminal part 102 can be insulated and isolated from each other by the partition of the opening 91 of the terminal holder 9, thereby satisfying the safety standard requirements of air gap and creepage distance. In addition, the partition of the opening 91 of the terminal bracket 9 can limit the maximum deformation of the terminal when the plug is inserted, so as to ensure sufficient insertion and extraction force and enhance the service durability of the socket.

Referring to fig. 2, the safety shield member is installed after the terminal holder 9 is provided. The safety protection component comprises a protection door 3, a spring 4 and a protection door bracket 8. Specifically, the protective door 3 is movably disposed on the protective door bracket 8, one end of the protective door 3 is connected to one end of a spring 4, and the other end of the spring 4 is connected to the protective door bracket 8. The protective door bracket 8 has an opening 81 at a position corresponding to the microswitch 2, i.e., at a position located above the microswitch 2. To cooperate with this opening 81, the protective door 3 is of an asymmetrical design, i.e. the protective door 3 has a projecting actuating arm 31 on the side of the protective door carrier 8 on which the opening 81 is provided. Four holes 82 matched with the fixing screws 7 are arranged on the protective door support 8, wherein two holes 82 are aligned with the upper screw posts 93 of the terminal support 9, the other two holes 82 are aligned with the two screw posts 18 of the socket lower shell 1, and the four fixing screws 7 are respectively locked into the upper screw posts 93 and the screw posts 18 through the holes 82 to fix the safety protection component.

Referring to fig. 2, the socket rear cover 13 is fixed to the socket lower case 1 by screws 19, and the socket lower case 1 is snap-fitted with the socket upper case 5 to wrap internal components therein to form an ac socket 100.

In using the AC socket 100 according to the present invention, the connector 14 of the AC socket 100 is connected to the power inverter main unit through the external cable, and specifically, the connection terminals for the AC power source (for example, having two connection terminals for the AC power source), the connection terminals for the LED lamp signal and the micro switch signal (for example, having five connection terminals for the LED lamp signal and the micro switch signal), and the connection terminal for the PE ground (for example, having one connection terminal for the PE ground) of the connector are connected to one end of the external cable, and the other end of the external cable is connected to the power inverter main unit. The power inverter main unit outputs signals to control the LED lamp 15 to indicate different operating states of the power inverter. For example, the LED lamp may be a red/green two-color lamp, and when the power inverter does not work, i.e., does not output ac, the LED lamp is turned off; when the power inverter works normally to output alternating current, the LED green light is on; when the power inverter breaks down and the inverter stops outputting alternating current, the LED red lamp flickers. When the plug is inserted into the ac socket 100, the plug pushes the protection door 3 so that the protruding action arm 31 triggers the micro switch 2 to conduct through the opening 81. When the plug is pulled out from the AC socket 100, the protective door 3 is reset under the action of the spring 4 to disconnect the microswitch 2. The microswitch signal is used as an input signal for indicating whether the electric appliance is connected and needs to be powered.

Additionally or alternatively, in an alternative embodiment, the PE terminal 10 may additionally include upper and lower end portions 103, with oppositely curved arcuate structures 104 disposed at the ends of the upper and lower end portions 103. In this embodiment, the terminal holder 9 is provided with notches 94 allowing the upper and lower end portions 103 to pass therethrough, respectively; and the receptacle upper housing 5 correspondingly has an opening 51 that allows the arcuate structure 104 of the distal ends of the upper and lower end portions 103 to be exposed to some extent. The arc structure 104 can be pressed against the PE terminals on both sides of the plug and conducted when the plug is inserted into the socket, so that the ac socket according to the present embodiment can be applied to the plugs of most european national standards such as germany.

Additionally or alternatively, in an alternative embodiment, referring to fig. 3A, the respective ends of the AC terminal 12 and first PE terminal portion 102 extend opposite to each other, offset from the longitudinal direction, i.e., the ends are in a flared shape, such as a trumpet shape. This structure can be used as an insertion guide of the plug when the plug is inserted into the socket to prevent the plug from being cut by the terminal end due to a positional deviation when the plug is inserted.

Additionally or alternatively, in an alternative embodiment, the jack upper housing 5 has four latch holes 52, two of which correspond to the two AC terminals 12 and two of which correspond to the first PE terminal portion 102. The ac outlet according to the present embodiment can satisfy the use of plugs of different national standards, such as the italian (i.e., three pins arranged side by side in a straight line) and/or swiss (i.e., three pins arranged in a triangle) standard plugs, without using a plug converter.

Additionally or alternatively, referring to fig. 4, in an alternative embodiment, the PCB circuit board 11 is provided with an opening 113, the opening 113 being dimensioned such that the plug pin can pass through the opening 113 after being inserted into the AC terminal 12 and the first PE terminal portion 102. The ac socket according to the present embodiment allows the plug pin to pass through the PCB 11 through the opening 113, which may reduce the dimension between the surface of the socket upper case 5 and the PCB 11, i.e., the dimension in the longitudinal direction, thereby reducing the dimension of the entire ac socket in the longitudinal direction to make the structure of the ac socket more compact. Preferably, the number of the openings 113 of the PCB circuit board may be four, wherein two openings are provided under two AC terminals 12 and the other two openings are provided under the first PE terminal part 102. This can be adapted to plug usage of different national standards.

Additionally or alternatively, in an alternative embodiment, the light guide post 6 may be provided and inserted into a U-shaped slot to be fixed so as to transmit the light of the LED lamp 15 to the surface of the socket upper housing 5 for the user to observe. Specifically, the protective door bracket 8 is provided with a U-shaped groove first portion 83, and the terminal bracket 9 is provided with a U-shaped groove second portion 95. The light guide 6 is inserted from the U-shaped groove first portion 83, and approaches the LED lamp 15 via the U-shaped groove second portion 95 to transmit light to the surface of the socket upper case 5. Wherein, the light guide column is preferably made of transparent plastic.

In the description of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that combinations, variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An AC socket for a power inverter, the AC socket comprising a housing part and internal parts accommodated in the housing part, wherein the housing part comprises an upper socket housing, a lower socket housing and a rear socket cover, and the internal parts comprise a safety protection part, a terminal bracket, an AC terminal, a PE terminal, a micro switch, a connector connected with a main machine of the power inverter, an LED lamp and a PCB circuit board; the method is characterized in that:

the AC terminal, the PE terminal, the micro switch, the connector and the LED lamp are directly mounted to the PCB circuit board;

the terminal holder is provided with a partition to support and partition the AC terminals;

2. An alternating current outlet according to claim 1, wherein the number of the AC terminals is two and the number of the PE terminals is one, wherein the two AC terminals are respectively arranged on both sides of the PE terminal.

3. An alternating current outlet according to claim 2, wherein the PE terminal includes a central portion having a first PE terminal portion separated from the AC terminal by a partition of the terminal holder.

4. An AC outlet according to claim 2 or 3 wherein said PE terminal includes upper and lower end portions, and the terminal holder is correspondingly provided with two notches through which the upper and lower end portions can be passed, respectively; wherein the ends of the upper and lower end portions have arc structures bent oppositely, and the upper housing of the socket is provided with an opening matched with the arc structures.

5. An AC socket according to claim 1, wherein the connector is provided with a mixture of different connection terminals of different specifications, including a connection terminal for AC power, a connection terminal for LED lamp signal and microswitch signal and a connection terminal for PE ground, and is connected to the power inverter main unit through an external cable.

6. An alternating current outlet as claimed in claim 3, wherein the outlet upper case is provided with four latch holes, two of which correspond to two AC terminals and the other two of which correspond to the first PE terminal portion.

7. An alternating current outlet according to claim 3, wherein the PCB circuit board is provided with an opening at a position corresponding to the AC terminal and the first PE terminal portion, the opening being provided so that the plug pin of the plug can pass through the PCB circuit board through the opening.

8. An alternating current outlet according to claim 7, wherein the number of the openings on the PCB circuit board is four, two of the openings corresponding to two of the AC terminals, and the other two openings corresponding to the first PE terminal portion.

9. An ac outlet according to claim 1, wherein said ac outlet includes a light guide post for an LED lamp and a U-shaped groove, said U-shaped groove including a U-shaped groove first portion provided on said protective door bracket and a U-shaped groove second portion provided on said terminal bracket.

10. The AC outlet of claim 1, wherein the AC terminals, PE terminals, micro switches and LED lights are disposed on a top layer of the PCB circuit board and the connector is disposed on a bottom layer of the PCB circuit board.