TWI470884B - Power expansion device and power expansion structure having a socket and a plug - Google Patents

Description

Power supply expansion structure and power expansion device with socket and plug

The present invention relates to a power expansion structure and a power expansion device, and more particularly to a power expansion structure and a power expansion device having a socket and a plug.

In the prior art, the power connector type includes a separate socket, a separate plug, a power adapter, an expansion power supply device that increases the number of sockets, or an expansion power supply device with integrated functions; wherein the independent socket and the independent plug are used for different devices. Electrical connection between the device and the power source for power supply or power transfer; the power adapter usually has a plug for connecting to an AC power outlet, and in combination with another size socket, to be powered by the input The voltage and/or current is converted and then output; the expansion power supply device for increasing the number of sockets has a plug for connecting to an AC power socket, and a plurality of sockets, such as an extension cable, are arranged in parallel; and, in addition, has an integrated function The expansion power supply unit has a plug and a circuit board with a specific function design, and is functionally expanded by a designed circuit, such as a power line network device.

In the above-mentioned conventional power connector, the independent socket and the independent plug have only a single power output or input function; and the power adapter with the socket and plug structure and the expanded power supply device for increasing the number of sockets are only pure power sources. The application of the supply does not have other additional expansion functions; in addition, an expansion power supply unit with integrated functions such as a power line network device is plugged into an indoor AC power outlet to provide its expansion function, and most of the expansion The power supply device does not have an additional socket, so it is occupied by the original AC power socket, and the expansion power supply unit combined with the socket and the plug structure occupies the circuit board due to the setting of the socket and the plug. A lot of space causes the device to be miniaturized and more restricts the space for laying the circuit on the circuit board, and the electrical configuration corresponding to the electrical connection between the socket and the plug structure is complicated, which is disadvantageous for processing assembly and manufacturing cost reduction.

An object of the present invention is to provide a power expansion structure having a socket and a plug, which integrates a socket, a plug and a protection function, and can meet the British standard and achieve the purpose of providing additional expansion functions.

Another object of the present invention is to provide a power expansion device having a socket and a plug, which integrates a socket, a plug and a protection structure, and can meet the British standard, and at the same time achieve the purpose of providing additional expansion functions.

In order to achieve the above object, the present invention provides a power supply expansion structure having a socket and a plug, comprising: a circuit board having a first surface and an opposite second surface, the circuit board is for laying a circuit; and the plug unit is disposed on the a second surface, the plug unit has a live wire terminal, a neutral wire terminal and a grounding terminal; the socket unit is disposed on the first surface, the socket unit has a fire wire jack component, a neutral wire jack component and a ground plug a hole assembly, wherein the neutral wire terminal and the neutral wire jack component are disposed and electrically connected between the ground terminal and the ground socket component; the fuse unit is used for installing a fuse. The fuse is connected in series between the live wire terminal and the live wire jack assembly; the protection unit is disposed on the first surface and covers the socket unit, and the protection unit has a movable door for shielding the socket unit.

In the above power expansion structure, the movable door shields at least a part or all of the socket unit.

In the above power expansion structure, the protection unit further includes a frame and a return spring, the return spring is connected between the movable door and the frame, and the frame and the movable door are respectively provided with corresponding guide grooves and A slider that moves relative to the frame.

In the above power expansion structure, the movable door is provided with a pushing portion corresponding to the grounding jack assembly for inserting the external plug into the socket unit, and the pushing portion is the external plug The ground terminal is pushed to cause the return spring to be compressed. .

In the above power expansion structure, the frame has at least one hook, and the circuit board has corresponding at least one pair of bit holes, and the frame and the circuit are coupled to the circuit by the at least one hook and the at least one pair of holes board.

In the above power expansion structure, the fire wire jack component includes an insertion portion and a conductive portion, and the insertion portion and the conductive portion are combined by a rivet or a solder.

In the power expansion structure described above, the live wire jack component includes an insertion portion and a conductive portion, and the insertion portion is integrally formed with the conductive portion.

The power expansion structure, wherein the neutral line terminal and the neutral line jack component are disposed between the ground terminal and the ground socket component by rivets and electrically connected to the circuit board. connection.

In the power expansion structure described above, the live wire terminal, the neutral wire terminal, and the ground terminal are respectively formed by immersing and forming a copper rod and a plastic.

In the above power expansion structure, the plug unit further includes an insulating base, and the live wire terminal, the neutral wire terminal and the ground terminal are respectively coupled to the circuit board by screwing through the insulating base.

The above-mentioned power supply expansion structure, wherein the fuse unit has two conductive sockets for respectively clamping the two ends of the fuse, and each of the conductive sockets is electrically connected to the live wire terminal and the fire wire socket assembly; The firewire jack assembly is electrically connected to the conductive socket by rivets.

The above power expansion structure, wherein the socket unit and the plug unit conform to the specifications of BS1363.

In order to achieve the above other object, the present invention further provides a power expansion device having the above power expansion structure, comprising: a first housing, a corresponding fire line jack assembly, the neutral line jack assembly, and the ground a socket of the jack assembly; and a second housing is provided with a mounting hole for the hot terminal, the neutral terminal, and the ground terminal, the second housing is for combining the first housing And forming an accommodation space to accommodate the power expansion structure.

Accordingly, the present invention provides a power expansion structure and a power expansion device that integrates a socket, a plug, and a protective effect, and is a circuit configuration that conforms to a British standard socket/plug specification and safety standard, and is combined with a circuit board to provide an extended function; Moreover, the present invention further simplifies the conductive configuration or the line structure configuration for electrically connecting by the position corresponding to the socket unit and the plug unit, and optimizes the space arrangement occupied by the socket unit and the plug unit on the circuit board. In order to reduce the overall volume or provide more space for the circuit configuration of the expansion function, in addition, the present invention can reduce the complexity of assembly processing, material materials and manufacturing costs due to simplification of the structural configuration.

In order to fully understand the objects, features and advantages of the present invention, the present invention will be described in detail by the accompanying drawings.

1 to 5, FIG. 1 is an exploded perspective view of a first embodiment of the present invention; and FIG. 2 is a schematic view showing a first surface of a display circuit board according to a first embodiment of the present invention; The figure is a schematic view of a second surface of a display circuit board in a first embodiment of the present invention; FIG. 4 is a schematic view of a protection unit according to a first embodiment of the present invention; and FIG. 5 is a first embodiment of the present invention. Schematic diagram of the return spring being compressed in the protection unit.

The embodiment of the present invention is a power supply expansion structure 1 having a socket and a plug, and mainly includes a circuit board 10, a plug unit 20, a socket unit 30, a fuse unit 40, and a protection unit 50, wherein the circuit board 10 has the first The surface 11 and the opposite second surface 12, the circuit board 10 is used to lay out a circuit; the plug unit 20 is disposed on the second surface 12, the plug unit 20 has a live wire terminal 21, a neutral wire terminal 22 and a ground The terminal unit 30 is disposed on the first surface 11 , and the socket unit 30 has a live wire jack assembly 31 , a neutral line jack assembly 32 and a ground jack assembly 33 , and the neutral line terminal 22 Correspondingly and electrically connected between the grounding terminal 23 and the grounding jack assembly 33, the fuse unit 40 is used for mounting the fuse 41, and the fuse 41 is connected in series. Connected between the live wire terminal 21 and the live wire jack assembly 31; the protection unit 50 is disposed on the first surface 11 and covers the socket unit 30, and the protection unit 50 has a movable door 51 for shielding the Socket unit 30.

The plug unit 20 and the socket unit 30 of the present embodiment are correspondingly disposed on the first surface 11 and the second surface 12 of the circuit board 10. Specifically, the neutral line terminal 22 is corresponding to the neutral line jack assembly 32. Position, the grounding terminal 23 is corresponding to the position of the grounding jack assembly 33; wherein between the neutral terminal 22 and the neutral jack receptacle 32, between the grounding terminal 23 and the grounding jack assembly 33 The rivets 101 are disposed on the circuit board 10 to be correspondingly disposed and electrically connected.

The plug unit 20 and the socket unit 30 of the present embodiment conform to the plug/socket specification of the British standard BS1363, and are a safety standard specification for the plug and the socket of the AC power source, which is required to install a fuse and a socket in the plug. The fire line jack and the neutral line jack need to be provided with a safety structure of a shutter structure; wherein, the plug of the BS1363 has three rectangular terminals (pins), wherein the two are horizontally arranged, and They are connected to the line and neutral of the power line respectively; the other is set vertically, for earthing, which has a longer size than the hot terminal and the neutral terminal. To ensure that the ground can be reached before the plug is electrically connected to the live power line.

As shown in FIG. 1 and in conjunction with FIG. 2, in the socket unit 30 of the present embodiment, the live wire jack assembly 31 for inserting the live wire terminal of the external plug includes an insertion portion 311 and a conductive portion 312. The portion 311 and the conductive portion 312 are coupled by the rivet 313, or the insertion portion 311 and the conductive portion 312 can be coupled by soldering, so that the conductive portion 312 is electrically connected to the fuse unit 40; The structure of the jack assembly 31 is not limited thereto, and the interposing portion 311 and the conductive portion 312 may be an integrally formed one-piece assembly.

As shown in FIG. 1 and in conjunction with FIG. 3, in the plug unit 20 of the present embodiment, the live wire terminal 21, the neutral wire terminal 22 and the ground terminal 23 are respectively formed by copper rods and plastics by burying and forming. The plug unit 20 further includes an insulating base 24, the live wire terminal 21, the neutral wire terminal 22 and the ground terminal 23 are respectively riveted and bonded to the insulating base 24 and the circuit board 10 by rivets 101. The rivet 101 is threaded through the circuit board 10 to provide between the neutral line terminal 22 and the neutral line jack assembly 32, between the ground terminal 23 and the ground jack assembly 33. In addition, as another example, the live wire terminal 21, the neutral wire terminal 22 and the ground terminal 23 can be formed only by a copper bar, the live wire terminal 21, the neutral wire terminal 22 and The grounding terminal 23 can also be coupled to the circuit board 10 by screwing through the insulating base 24, wherein the screw also provides between the neutral line terminal 22 and the neutral line jack assembly 32, the grounding terminal 23 is electrically connected to the grounding jack assembly 33.

As shown in FIG. 1 and in conjunction with FIG. 3, in the present embodiment, the fuse unit 40 has two conductive sockets 42 for respectively clamping the two ends of the fuse 41, and each of the conductive sockets 42 is electrically connected. The live wire terminal 21 and the live wire socket assembly 31 are electrically connected to the conductive socket 42 by a rivet 43 connected to the first through the rivet 101. The conductive sheet 45 of a surface 11 is connected to the conductive socket 42 by the rivet 44. The fuse unit 40 is not limited to this structure, and the fuse unit 40 may also include an insulating holder. And a conductive member for electrically connecting the fuse 41 to the live wire terminal 21 and the live wire jack assembly 31 is provided.

As shown in FIG. 1 and in conjunction with FIGS. 2, 4, and 5, in the present embodiment, the protection unit 50 includes the movable door 51, the frame 52, and the return spring 53, and the return spring 53 is coupled to the activity. Between the door 51 and the frame 52, the frame 52 and the movable door 51 are respectively provided with corresponding guiding grooves 522 and a slider 512 for relatively moving the movable door 51 and the frame 51. And shielding at least a part or all of the socket unit 30; as shown in Figures 2, 4 and 5, the frame 52 forms a firewire jack assembly 31 and a neutral jack that can be disposed on the socket unit 30. The outer shape of the component 32 and the grounding jack assembly 33; and the movable shutter 51 is generally T-shaped, and shields the socket unit 30 in a general state, specifically, the movable shutter 51 shields the live line The jack assembly 31, the neutral jack jack assembly 32, and the ground jack assembly 33.

Referring to FIG. 4 and FIG. 5 , in the protection unit 50 of the embodiment, the movable door 51 can be reciprocated by the return spring 53 to shield or expose the live wire jack assembly 31 and the neutral line plug. The hole assembly 32 and the grounding jack assembly 33; further, the movable door 51 is provided with a pushing portion 511 corresponding to the position of the grounding jack assembly 33 for inserting an external plug (not shown) During the process of the socket unit 30, the pushing portion 511 is pushed by the grounding terminal of the external plug, so that the return spring 53 is compressed (as shown in FIG. 5); the movable door 51 is correspondingly grounded. The position of the hole assembly 33 forms a pushing portion 511 of the inclined surface. Since the ground terminal of the plug of the British standard is longer than the other terminals, when the external plug is to be inserted into the socket unit 30, the external ground terminal is first contacted. Pushing the push portion 511 toward the grounding jack assembly 33, and then the movable shutter 51 causes the movable shutter 51 to pass the slider 512 with the inclined surface of the pushing portion 511. The guide groove 522 of the frame 52 moves relatively and leaves Start position and compression force of the return spring 53, and thus continues to drive the outer plug is completely plugged in to the socket unit 30.

As shown in FIG. 1 , in the protection unit 50 of the embodiment, the frame 52 has at least one hook 521, and the circuit board 10 has at least one pair of bit holes 102 corresponding to the at least one hook. The frame 521 is coupled to the frame 52 and the circuit board 10 by the at least one pair of holes 102. Further, the frame 52 is made of an insulating material such as plastic.

Referring to FIG. 6 and FIG. 7 , which are schematic diagrams of a second embodiment of the present invention, a second embodiment of the present invention is a power expansion device 2 having the power expansion structure 1 of the first embodiment. The power expansion device 2 includes a first housing 60 and a second housing 70. The first housing 60 is provided with a corresponding fire line jack assembly 31, the neutral line jack assembly 32, and the ground jack assembly 33. The second housing 70 is provided with mounting holes 71, 72, 73 for inserting the live wire terminal 21, the neutral wire terminal 22, and the ground terminal 23, the second The housing 70 is used to combine the first A housing 60 forms an accommodation space for accommodating the power expansion structure 1.

Therefore, the above embodiments of the present invention can provide a power expansion structure and a power expansion device that integrate the socket, the plug, and the protection effect, and are a circuit that can meet the British standard socket/plug specification and safety standard, and combine the circuit board to provide an extended function. The present invention further simplifies the conductive configuration or the line structure configuration for the electrical connection by the position corresponding to the socket unit and the plug unit, and makes the space occupied by the socket unit and the plug unit on the circuit board reach the most In order to reduce the overall volume or provide more space for the circuit configuration for the expansion function, the present invention can reduce the complexity of the assembly process, the materials used, and the manufacturing cost due to the simplification of the structural configuration.

The present invention has been disclosed in the above preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to the embodiments are intended to be within the scope of the invention. Therefore, the scope of the invention should be determined by the scope of the following claims.

1. . . Power expansion structure

2. . . Power expansion unit

10. . . Circuit board

101. . . rivet

102. . . Alignment hole

11. . . First surface

12. . . Second surface

20. . . Plug unit

twenty one. . . Firewire terminal

twenty two. . . Neutral terminal

twenty three. . . Ground terminal

twenty four. . . Insulated base

30. . . Socket unit

31. . . Firewire jack assembly

311. . . Interposer

312. . . Conductive part

313. . . rivet

32. . . Neutral jack assembly

33. . . Ground jack assembly

40. . . Fuse unit

41. . . fuse

42. . . Conductive socket

43, 44. . . rivet

45. . . Conductive sheet

50. . . Protection unit

51. . . Active door

511. . . Promotion department

512. . . Slider

52. . . frame

521. . . The hook

522. . . Guide slot

53. . . Return spring

60. . . First housing

61, 62, 63. . . Mounting hole

70. . . Second housing

71, 72, 73. . . Plug interface

Fig. 1 is an exploded perspective view showing a power supply expansion structure in the first embodiment of the present invention.

Figure 2 is a schematic view showing the first surface of the circuit board in the first embodiment of the present invention.

Figure 3 is a schematic view showing the second surface of the circuit board in the first embodiment of the present invention.

Fig. 4 is a schematic view showing a protection unit of the first embodiment of the present invention.

Fig. 5 is a view showing the compression spring of the protection unit of the first embodiment of the present invention being compressed.

Figure 6 is an exploded perspective view of the power expansion device in the second embodiment of the present invention.

Figure 7 is a schematic diagram of a power expansion device in a second embodiment of the present invention.

1. . . Power expansion structure

10. . . Circuit board

101. . . rivet

102. . . Alignment hole

11. . . First surface

20. . . Plug unit

twenty one. . . Firewire terminal

twenty two. . . Neutral terminal

twenty three. . . Ground terminal

twenty four. . . Insulated base

30. . . Socket unit

31. . . Firewire jack assembly

311. . . Interposer

312. . . Conductive part

313. . . rivet

32. . . Neutral jack assembly

33. . . Ground jack assembly

40. . . Fuse unit

41. . . fuse

42. . . Conductive socket

43, 44. . . rivet

45. . . Conductive sheet

50. . . Protection unit

51. . . Active door

511. . . Promotion department

512. . . Slider

52. . . frame

521. . . The hook

522. . . Guide slot

53. . . Return spring

Claims (14)

A power supply expansion structure having a socket and a plug, comprising: a circuit board having a first surface and an opposite second surface, wherein the circuit board is used for laying a circuit; and a plug unit is disposed on the second surface, the plug unit is The utility model has a hot wire terminal, a neutral wire terminal and a grounding terminal; the socket unit is disposed on the first surface, the socket unit has a fire wire jack component, a neutral wire jack component and a grounding jack component, wherein the neutral component Between the line terminal and the neutral line jack component, the grounding terminal and the grounding jack component are correspondingly disposed and electrically connected; the fuse unit is configured to install a fuse, and the fuse is connected in series And the protection unit is disposed on the first surface and covers the socket unit, and the protection unit has a movable door, a frame and a return spring, and the two ends of the return spring are respectively connected The movable door and the frame, and the frame and the movable door are respectively provided with corresponding guiding grooves and sliders, and the movable door is configured to act against the frame to shield the Housing units. The power expansion structure of claim 1, wherein the movable door shields at least a part or all of the socket unit. The power expansion structure according to claim 1 or 2, wherein the movable door is provided with a pushing portion corresponding to the grounding jack assembly for inserting the external plug into the socket unit. During the process, the pushing portion is pushed by the ground terminal of the external plug, and the return spring is compressed. The power expansion structure of claim 1 or 2, wherein the frame has at least one hook, and the circuit board has at least one pair of corresponding holes, wherein the at least one hook and the at least A pair of bit holes join the frame to the board. The power expansion structure according to claim 1, wherein the firewire socket component comprises an insertion portion and a conductive portion, and the insertion portion and the conductive portion are combined by a rivet or a solder. The power expansion structure according to claim 1, wherein the firewire jack component comprises an insertion portion and a conductive portion, and the insertion portion is integrally formed with the conductive portion. The power supply expansion structure of claim 1, wherein the neutral wire terminal and the neutral wire jack component are disposed between the ground terminal and the ground socket component by a rivet. The circuit boards are correspondingly arranged and electrically connected. The power supply expansion structure according to claim 1, wherein the live wire terminal, the neutral wire terminal and the ground terminal are respectively formed by burying and exposing a copper rod and a plastic. The power supply expansion structure of claim 8, wherein the plug unit further comprises an insulating base, and the live wire terminal, the neutral wire terminal and the ground terminal are respectively riveted to the insulating base by rivets With the board. The power supply expansion structure of claim 1, wherein the plug unit further comprises an insulating base, and the live wire terminal, the neutral wire terminal and the ground terminal are respectively coupled to the insulating base by screwing With the Circuit board. The power supply expansion structure of claim 1, wherein the fuse unit has two conductive sockets for respectively clamping the two ends of the fuse, and each of the conductive sockets is electrically connected to the fire terminal and The FireWire jack assembly. The power expansion structure of claim 11, wherein the firewire jack component is electrically connected to the conductive socket by a rivet. The power supply expansion structure of claim 1, wherein the socket unit and the plug unit conform to the specifications of BS1363. A power expansion device having a power expansion structure according to claim 1, comprising: a first housing having a corresponding fire wire jack assembly, the neutral wire jack assembly, and the ground socket assembly The second housing is provided with a mounting hole for inserting the live wire terminal, the neutral wire terminal, and the grounding terminal, and the second casing is configured to combine the first casing and form a capacity Space is provided to accommodate the power expansion structure.