CN2775891Y

CN2775891Y - Video-audio signal switcher

Info

Publication number: CN2775891Y
Application number: CNU2004201186692U
Authority: CN
Inventors: 许乃方
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-29
Filing date: 2004-12-29
Publication date: 2006-04-26
Anticipated expiration: 2014-12-29

Abstract

The utility model relates to a video-audio signal switcher. The utility model is proposed to provide a circuit connector which can simplify product processes, lower cost and lift productivity. The utility model comprises a plurality of plastic cement bodies, a plurality of connection posts, a plurality of conducting elements and a switching plate, wherein the plastic cement bodies have the same structure; the connection posts are respectively arranged inside the plastic cement bodies and plugged with external multimedia interfaces; one end of each conducting element is connected with the connection posts, and the conducting elements and the switching plate are respectively independently distributed inside the plastic cement bodies. The switching plate is coupled with the other end of a plurality of switching elements so as to communicate motherboard signals of a system terminal; circuit lines which are respectively coupled with each conducting element are respectively distributed on the surface of the switching plate, and the confluence part of terminals of the circuit lines is provided with a contact section which is coupled and switched into conduction with a motherboard circuit of the system terminal.

Description

Audio-visual signal adapter

Technical field

The utility model belongs to line connector, particularly a kind of audio-visual signal adapter.

Background technology

The computer system end perhaps receives from the audio-visual signal in outer for the audio-visual signal with inside passes, and can provide specific Port to peg graft for the interface end of external multimedia apparatus, and signal each other can be linked up.

In order to save the space of use, the existing system specification all is three Ports are combined into one and become a signal adapter.

As shown in Figure 1 and Figure 2, existing signal adapter 1 is that three

Ports

10,11,12 are installed in three respectively independently in the plastic cement body 13,14,15, see through respectively separately in the body 13,14,15 in advance that the Lead-through terminal 16,17,18 of layout is connected on the motherboard 19 of system, make between motherboard 19 and the

Port

10,11,12 to be conducting state.

Three plastic cement bodies the 13,14, the 15th of existing signal adapter 1, utilize respectively separately Lead-through terminal 16,17,18 and the circuit of motherboard 19 couple, in case loose contact or blind connecing, be difficult for from circuit, discovering, make the running of system hide crisis and be difficult to stablize; In addition, three plastic cement bodies 13,14,15 must impose the location respectively when coupling with motherboard 19 respectively, are unfavorable for the weld job of tin stove excessively of motherboard 19 and each element.

Moreover as shown in Figure 2, because three groups of Lead-through terminals, 16,17,18 distributions of existing adapter 1 are wider, it has two row's terminals at least, occupies motherboard 19 equivalent areas, directly have influence on the planning of motherboard 19 scheduled circuits, thereby be unfavorable for the miniaturization Design of system end.

Summary of the invention

The purpose of this utility model provides a kind of audio-visual signal adapter of simplifying the product processing procedure, reducing cost, promote production capacity.

The utility model comprises several identical plastic cement bodies of structure, be arranged at several Ports, an end of pegging graft for the external multimedia interface in each plastic cement body respectively is connected with Port and independently is laid in each intrinsic several breakover elements and keyset respectively; The other end of keyset and several breakover elements couples, in order to link up with system end motherboard signal, be distributed with respectively the circuit-line that couples with each breakover element on the keyset surface, be provided with the contact site that couples conducting with the motherboard circuit of system end in circuit-line terminal river outlet.

Wherein:

Several plastic cement bodies and keyset periphery are covered with the combined metal shell, and so as to preventing electromagnetic interference, metal shell is provided with several perforation respectively corresponding to several Port places, so that each Port can expose for pegging graft with the interface of external multimedia end.

The keyset contact site has and is arranged at the single type terminal of keyset single face to couple with motherboard.

The keyset contact site has and is arranged at the double type terminal of keyset two sides to couple with motherboard.

The DIP plug-in type that is connected between breakover element and the keyset is welded to connect.

The SMT surface stuck that is connected between breakover element and the keyset is welded to connect.

Breakover element is connected with the PRESS close type that is connected between the keyset, and promptly the structure of breakover element is the elastic model that extends out, and connects in order to the circuit that penetrates keyset that the back connects in the packing mode in the hole.

The DIP plug-in type that is connected between the contact site of keyset and the motherboard is welded to connect.

The SMT surface stuck that is connected between the contact site of keyset and the motherboard is welded to connect.

The contact site of keyset is connected with the PRESS close type that is connected between the motherboard, and promptly the structure of contact site is the elastic model that extends out, and connects in order to the circuit that penetrates motherboard that the back connects in the packing mode in the hole.

Be connected with Port and independently be laid in each intrinsic several breakover elements and keyset respectively because the utility model comprises several identical plastic cement bodies of structure, be arranged at several Ports, an end of pegging graft for the external multimedia interface in each plastic cement body respectively; The other end of keyset and several breakover elements couples, in order to link up with system end motherboard signal, be distributed with respectively the circuit-line that couples with each breakover element on the keyset surface, be provided with the contact site that couples conducting with the motherboard circuit of system end in circuit-line terminal river outlet.A factor breakover element all is connected on the keyset in advance, so can check the connection status of each circuit on each keyset in advance, is unlikely to just to pinpoint the problems after the circuit with motherboard couples; On the other hand, engaged with keyset and located, can be beneficial to the mistake tin stove weld job when coupling with motherboard owing to each plastic cement body has all seen through breakover element.Not only simplify the product processing procedure, and reduce cost, promote production capacity, thereby reach the purpose of this utility model.

Description of drawings

Fig. 1, be existing signal adaptor structure schematic isometric.

Fig. 2, be existing signal adapter user mode schematic diagram.

Fig. 3, be the utility model decomposition texture schematic isometric.

Fig. 4, be the utility model user mode schematic diagram.

Fig. 5, couple schematic diagram one for the utility model and motherboard.

Fig. 6, couple schematic diagram two for the utility model and motherboard.

Fig. 7, be that the utility model breakover element is connected aspect graph (DIP connects form) with keyset.

Fig. 8, be that the utility model breakover element is connected aspect graph (SMT connects form) with keyset.

Fig. 9, be that the utility model breakover element is connected aspect graph (PRESS connects form) with keyset.

Figure 10, be the another kind of aspect graph (PRESS connects form) that is connected of the utility model breakover element and keyset.

Embodiment

As shown in Figure 3, Figure 4, the utility model comprise several identical plastic cement bodies 20 of structure, respectively be arranged at several Ports 21, ends of pegging graft for external multimedia interface (not shown) in each plastic cement body 20 is connected with Port 21 and independently be laid in respectively each body 20 several interior breakover element 22 reach in order to the keyset 23 of system end motherboard 30 signals communication.

Be distributed with respectively the circuit-line 231 that couples with each breakover element 22 on keyset 23 surfaces, be provided with the contact site 232 that is connected conducting with motherboard 30 circuit of system end in circuit-line 231 terminal river outlets.

Several breakover elements 22 of being located at respectively in each body 20 are connected on the keyset 23, with keyset 23 on circuit-line 231 couple.

Be covered with combined metal shell 40 in several plastic cement bodies 20 and keyset 23 peripheries, so as to preventing electromagnetic interference, metal shell 40 is provided with several perforation 41 respectively corresponding to several Port 21 places, so that each Port 21 can expose for pegging graft with the interface of external multimedia end.

As mentioned above, several breakover elements 22 of the present utility model all are connected on the keyset 23 in advance, so can check the connection status of each circuit 231 on each keyset 23 in advance, are unlikely to just to pinpoint the problems after the circuit with motherboard 30 couples; On the other hand, engaged with keyset 23 and located, can be beneficial to the mistake tin stove weld job when coupling with motherboard 30 owing to each plastic cement body 20 has all seen through breakover element 22.

As shown in Figure 5, the contact site 232 of keyset 23 has and is arranged at the single type terminal of keyset 23 single faces to couple with motherboard 30.Also can be as shown in Figure 6, the contact site 232 of keyset 23 has and is arranged at the double type terminal of keyset 23 two sides to couple with motherboard 30, like this, can reduce the area that takies motherboard 30, a side that is arranged in motherboard 30 is held in coupling of particularly keyset 23 and motherboard 30 can being coupled, make plastic cement body 20 exceed the scope of motherboard 30, be beneficial to the utilization of circuit on the motherboard 30, perhaps directly reduced the area of motherboard 30.

Breakover element 22 can be different connection forms with connection between the keyset 23.

As shown in Figure 7, the DIP plug-in type that is connected between breakover element 22 and the keyset 23 is welded to connect, and after promptly breakover element 22 circuit that penetrates keyset 23 in advance connects in the hole 233, is welded after the tin stove.

As shown in Figure 8, the SMT surface stuck that is connected between breakover element 22 and the keyset 23 is welded to connect, and after promptly breakover element 22 is followed with the circuit of keyset 23 is directly smooth, is welded after the tin stove.

As Fig. 9, shown in Figure 10, breakover element 22 is connected with the PRESS close type that is connected between the keyset 23, and promptly the structure of breakover element 22 is the elastic model that extends out, and connects in order to the circuit that penetrates keyset 23 that the back connects in the packing mode in the hole.

Keyset 23 also can have different frame modes with the connection of motherboard 30, that is the contact site 232 of keyset 23 can design the corresponding end coupling as the different types structure of breakover element 22 and motherboard 30, thereby makes application of the present utility model more extensive.

The DIP plug-in type that is connected between the contact site 232 of keyset 23 and the motherboard 30 is welded to connect, and promptly the contact site 232 of keyset 23 circuit that penetrates motherboard 30 in advance connects back welding in the hole.

The SMT surface stuck that is connected between the contact site 232 of keyset 23 and the motherboard 30 is welded to connect, i.e. the contact site 232 of keyset 23 and the directly smooth then back welding of the circuit of motherboard 30.

The contact site 232 of keyset 23 is connected with the PRESS close type that is connected between the motherboard 30, and promptly the structure of the contact site 232 of keyset 23 is the elastic model that extends out, and connects in order to the circuit that penetrates motherboard 30 that the back connects in the packing mode in the hole.

Claims

1, a kind of audio-visual signal adapter, it comprises several identical plastic cement bodies of structure, be arranged at several Ports of pegging graft for the external multimedia interface in each plastic cement body and an end respectively is connected with Port and independently is laid in each intrinsic several breakover element respectively; The other end that it is characterized in that described several breakover elements couples the keyset that is provided with in order to link up with system end motherboard signal; Be distributed with respectively the circuit-line that couples with each breakover element on the keyset surface, be provided with the contact site that couples conducting with the motherboard circuit of system end in circuit-line terminal river outlet.

2, audio-visual signal adapter according to claim 1, it is characterized in that described several plastic cement bodies and keyset periphery are covered with the combined metal shell, so as to preventing electromagnetic interference, metal shell is provided with several perforation respectively corresponding to several Port places, so that each Port can expose for pegging graft with the interface of external multimedia end.

3, audio-visual signal adapter according to claim 1 and 2 is characterized in that described keyset contact site has to be arranged at the single type terminal of keyset single face to couple with motherboard.

4, audio-visual signal adapter according to claim 1 and 2 is characterized in that described keyset contact site has to be arranged at the double type terminal of keyset two sides to couple with motherboard.

5, audio-visual signal adapter according to claim 1 and 2 is characterized in that the DIP plug-in type that is connected between described breakover element and the keyset is welded to connect.

6, audio-visual signal adapter according to claim 1 and 2 is characterized in that the SMT surface stuck that is connected between described breakover element and the keyset is welded to connect.

7, audio-visual signal adapter according to claim 1 and 2, it is characterized in that described breakover element is connected with the PRESS close type that is connected between the keyset, the structure that is breakover element is the elastic model that extends out, and connects in the hole in order to the circuit that penetrates keyset then to connect in the packing mode.

8, audio-visual signal adapter according to claim 1 and 2 is characterized in that the contact site of described keyset and the DIP plug-in type that is connected between the motherboard are welded to connect.

9, audio-visual signal adapter according to claim 1 and 2 is characterized in that the contact site of described keyset and the SMT surface stuck that is connected between the motherboard are welded to connect.

10, audio-visual signal adapter according to claim 1 and 2, it is characterized in that the contact site of described keyset is connected with the PRESS close type that is connected between the motherboard, the structure that is contact site is the elastic model that extends out, and connects in the hole in order to the circuit that penetrates motherboard then to connect in the packing mode.