CN2672710Y - Computer I/O signal switching card device - Google Patents
Computer I/O signal switching card device Download PDFInfo
- Publication number
- CN2672710Y CN2672710Y CN 03280281 CN03280281U CN2672710Y CN 2672710 Y CN2672710 Y CN 2672710Y CN 03280281 CN03280281 CN 03280281 CN 03280281 U CN03280281 U CN 03280281U CN 2672710 Y CN2672710 Y CN 2672710Y
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- signal
- switching card
- computer
- interface
- mainboard
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Abstract
The utility model discloses a switching card device for I/O signals of a computer, comprising an I/O signals gather switching socket which is fixed to a mainboard and on which signals from standard interfaces of the mainboard are gathered, and an I/O signals switching card which is electrically connected with the I/O signals gather switching socket in type of plugging connection. By using the switching card device for I/O signals of the computer of the utility model, shield wires can be left out to reduce production costs and electromagnetic radiations, and the construction of the computer cabinet can be simplified to reduce the possibility of failures occurring in the computer.
Description
Technical field
The utility model relates to a kind of integrated circuit board device, relates in particular to a kind of Computer I/O signaling interface card device.
Background technology
Along with the develop rapidly of the computing machine and the communication technology, computing machine has all obtained increasingly extensive application in each field, and LAN (Local Area Network), wide area network arise at the historic moment.People have proposed higher demand to the function of computing machine simultaneously, for example require can realize GPS location, video conference or the like by computing machine.Realize these expanded functions, generally need dispose corresponding I/O interface in the appropriate location of computing machine could realize, needs simultaneously by signal wire the signal of the standard interface on the motherboard (as USB interface, IEEE.1394 interface, audio interface and video interface etc.) to be connect to guide on the above-mentioned I/O interface.For example, sound card is connected with main plate line by pci interface, and video card is connected with main plate line by the AGP interface.
For this reason, people have proposed a kind of preposition I/O signal adapting device that can increase the system extension function, comprising: shielding line and preposition I/O signal switching card, wherein, shielding line is connected between the signal pin and preposition I/O signal switching card of mainboard, so that the instruction transmission between the two.
Adopt above-mentioned existing switching device, have following several shortcoming:
1, since preposition I/O signal converting card connection be shielding line, can't fix its position, need the specialized designs metal frame to fix preposition I/O signal switching card, increase design and production cost;
2, owing to adopt shielding line to connect the contact pin and the preposition I/O signal switching card of mainboard, therefore when high-frequency signal process shielding line, though shielding line has masked certain electromagnetic radiation, still can give off certain electromagnetic wave, bring certain interference to system;
3, owing to will connect the contact pin and the preposition I/O signal switching card of mainboard by shielding line, therefore must there be two joints at the two ends of shielding line, just need be when signal transmits between mainboard and preposition I/O signal switching card like this through twice switching, the structure relative complex, and the price of shielding line is relatively costly, increase production cost, in addition, two joints have increased the possibility that breaks down, and when fault takes place, be difficult to the definite position that failure judgement takes place, bring very big inconvenience to maintenance;
4, owing to complex structure, therefore the space developing direction bigger and the computing machine miniaturization in the mainframe box that takies is not consistent.
The utility model content
The purpose of this utility model be to provide a kind of simple in structure, reduce production costs and the Computer I/O signal switching card device in electromagnetic radiation, saving mainframe box space.
For achieving the above object, a kind of Computer I provided by the invention/O signal switching card device comprises:
The I/O signal gathers the switching groove, is fixed in mainboard, and described switching groove gathers the signal that the standard interface on the mainboard is arranged;
The I/O signal switching card gathers the switching groove with the I/O signal and is electrically connected with inserting mode, and external I/O signal port is provided.
Standard interface on the described mainboard comprises USB interface, IEEE.1394 interface, audio interface and video interface.
Described device also comprises a coupling arrangement, is used for fixing the I/O signal and gathers switching groove and I/O signal switching card.
The external I/O signal port of described I/O signal switching card comprises USB port, IEEE.1394 port, audio port and video port.
This shows, adopt Computer I described in the utility model/O signal switching card device, have following advantage:
1, adopt inserting mode to be connected because the I/O signal gathers between switching groove and the I/O signal switching card, so the position of I/O signal switching card is relatively stable, need not again the independent metal frame that is used to be fixed of developing, saved production cost;
2, in addition, owing to do not adopt shielding line in the utility model, therefore reduced the electromagnetic radiation that shielding line causes;
3, the omission of shielding line has reduced because the increase of the relatively costly production cost that causes of its price makes signal to have reduced the possibility that breaks down through repeatedly switching simultaneously, and is easy to maintenance;
4, because this design makes the simple in structure of I/O signal switching card device, therefore save the space, effectively utilized the space of mainboard top in the computer host box, met the development trend of computer nowadays miniaturization.
Description of drawings
Figure 1 shows that the 26 pin I/O signals of implementing according to the utility model gather the synoptic diagram of the groove of transferring.
Figure 2 shows that the synoptic diagram of the I/O signal switching card of implementing according to the utility model.
Figure 3 shows that the annexation synoptic diagram of Computer I described in the utility model/O signal switching card device and mainboard.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is carried out comparatively detailed description.It should be noted that this preferred embodiment only is used for explaining the utility model, is not to be used for limiting the utility model.
Please refer to Fig. 1, gather the synoptic diagram of the groove 1 of transferring for the 26 pin I/O signals of realizing according to the utility model.As shown in Figure 1, the respectively corresponding left and right sound track signals that connects built-in speaker of BLSPK-L, BLSPK-R, LIN_L/XREARL and LIN_R/XREARR are connected the left and right acoustic channels of audio input signal (LINE-IN) respectively; MIC-IN and AGND are connected the input and the ground wire of microphone respectively; The VCC signal connects the 3.3V voltage on the mainboard 3 (as shown in Figure 3), the 5VSB signal connects the 5VSB voltage on the mainboard 3, the 12V signal connects the 12V voltage on the mainboard 3, and the signal of USBP0+, USBP0-, USBP1+, USBP1-, USBP2+, USBP2-, USBP3+, USP3-connects the signal wire of corresponding USB interface on the mainboard 3 respectively.
So just constitute an I/O signal and gathered switching groove 1, this I/O signal gather the switching groove 1 with the standard interface on the mainboard 3 as: the signal on USB interface, IEEE.1394 interface, audio interface and the video interface gathers, be connected the edge of mainboard 3 then by the mode of welding, and then can transmit to external interface, receive the signal of external interface simultaneously.This shows that this I/O signal gathers switching groove 1 and is arranged at the position of the edge of mainboard 3 near the mainframe box side casings.
It should be noted that in the practical application, can this I/O signal be gathered switching groove 1 extend to other suitable position of cabinet according to actual conditions by the PCB cabling.
In addition, the I/O signal gathers the type and the number of the contact pin of the groove 1 of transferring can be determined arbitrarily according to actual needs, existing part interface on the mainboard 3 can also be integrated into this I/O signal in the practical application and gather on the switching groove 1.
Figure 2 shows that the synoptic diagram of the I/O signal switching card of implementing according to the utility model 2.As shown in Figure 2, this I/O signal switching card 2 have the USB2.0 port, comprise LINE IN, the audio output port of LINE OUT, MIC.L, R are built-in audio amplifier communication interface, and wherein L connects L channel, and R connects R channel.A wherein side of adapter 2 is provided with the interface that gathers the groove 1 of transferring with the I/O signal.
The number and the type that it should be noted that above-mentioned default port can be provided with according to actual needs, as setting up video port, IEEE.1394 port etc.Connect external interface by these default ports, can realize the expanded function of system.The mode that also adopts grafting that is connected with external interface.The similar of this I/O signal switching card 2 is the interface difference that corresponding I/O signal gathers the groove 1 of transferring, so do not repeat them here in existing preposition I/O signal switching card 2.
Appropriate location at the superjacent air space of mainboard 3, an end that the I/O signal is gathered the groove 1 of transferring is fixedlyed connected with main frame, the other end and this I/O signal switching card 2 are electrically connected with inserting mode, as shown in Figure 3, wherein, part in the dotted line is a switching device described in the utility model, and makes the top of each port of this I/O signal switching card 2 can extend to the mainframe box case surface, makes external interface can insert above-mentioned each port outside mainframe box.
It should be noted that, adopt inserting mode to connect the I/O signal and gather switching groove 1 and I/O signal switching card 2, except reducing the path that signal transmits, can also reduce outside the switching number of times of the signal that transmits, the link position that the I/O signal is gathered between switching groove 1 and the I/O signal switching card 2 is relatively stable, need not to design special metal frame again and fix preposition I/O signal switching card 2 as prior art.
So far, by switching device described in the utility model, the instruction on the mainboard 3 can be passed to external interface, the solicited message that external interface transmits also can be delivered to mainboard 3.
Except above-mentioned I/O signal being gathered switching groove 1 and I/O signal switching card 2 directly is electrically connected with inserting mode, in order to fix this I/O signal switching card 2 better, a coupling arrangement can also be set, be used for fixing above-mentioned I/O signal and gather switching groove 1 and I/O signal switching card 2, reduce the two loosening relatively possibility.But this coupling arrangement can not hinder the plug of I/O signal switching card 2 after installing.The design of this coupling arrangement can be very simple, only need play the effect that fixing I/O signal gathers switching groove 1 and I/O signal switching card 2 and get final product.
On the mainframe box shell, the above-mentioned default port of corresponding I/O signal switching card 2, corresponding number and shaped aperture are set, these openings are used for the above-mentioned default port of ccontaining I/O signal switching card 2, make above-mentioned default port can be exposed in the air, see through these openings and link to each other with the interface of external unit.
In actual use, because above-mentioned default port is exposed in the air, in order to prevent that extraneous dust from entering above-mentioned default port, and influence signal Transfer Quality between external interface and the default port, a solution of taking is, a cover plate is set on the mainframe box case surface, it is fixed that big I is come according to the size of above-mentioned default port, this cover plate can be just and the mainframe box case surface fuse, become the part of mainframe box case surface, reach the purpose that prevents that extraneous dust from entering thus.
This shows, adopt Computer I described in the utility model/O signal switching card device, do not need as prior art, adopt shielding line to connect mainboard 3 and I/O signal switching card 2, the design that only need gather the groove 1 of transferring by above-mentioned I/O signal, just can realize being electrically connected of mainboard 3 and I/O signal switching card 2, thereby dispense shielding line.Thus, the signal that instruction of transmitting on the mainboard 3 and external interface come gathers switching groove 1 by I/O signal of the present utility model and imports into or spread out of, shortened the path of transmitting greatly, thereby avoided the electromagnetic radiation that produces on the shielding line of relative length in the prior art, and avoided the electromagnetic crosstalk between the line in the shielded wire harness in the prior art.
It should be noted that present embodiment is a preferred embodiment, promptly the convenience in order to safeguard and to install gathers the I/O signal with switching groove 1 in the present embodiment and separates design with I/O signal switching card 2, connects with inserting mode.But in the reality, the two can also be become one, again combination is connected in mainboard 3, can reach the purpose of this utility model equally.
Any those skilled in the art all can under the situation that does not break away from spirit and scope of the present utility model, make various additions and deletions and improvement, but all should be included in the protection domain of the present utility model according to the description of present embodiment.
Claims (4)
1, a kind of Computer I/O signal switching card device is characterized in that, comprising:
The I/O signal gathers the switching groove, is fixed in mainboard, and described switching groove gathers the signal that the standard interface on the mainboard is arranged;
The I/O signal switching card gathers the switching groove with the I/O signal and is electrically connected with inserting mode, and external I/O signal port is provided.
2, Computer I as claimed in claim 1/O signal switching card device is characterized in that: the standard interface on the described mainboard comprises USB interface, IEEE.1394 interface, audio interface and video interface.
3, Computer I as claimed in claim 1/O signal switching card device is characterized in that: described device also comprises a coupling arrangement, is used for fixing the I/O signal and gathers switching groove and I/O signal switching card.
4, as any one described Computer I/O signal switching card device in the claim 1,2 and 3, it is characterized in that: the external I/O signal port of described I/O signal switching card comprises USB port, IEEE.1394 port, audio port and video port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03280281 CN2672710Y (en) | 2003-09-17 | 2003-09-17 | Computer I/O signal switching card device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03280281 CN2672710Y (en) | 2003-09-17 | 2003-09-17 | Computer I/O signal switching card device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2672710Y true CN2672710Y (en) | 2005-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03280281 Expired - Fee Related CN2672710Y (en) | 2003-09-17 | 2003-09-17 | Computer I/O signal switching card device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2672710Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300870A (en) * | 2017-07-31 | 2017-10-27 | 山西瑞泽恒达科贸有限公司 | A kind of Internet of Things thing control master control box device for police affairses system |
-
2003
- 2003-09-17 CN CN 03280281 patent/CN2672710Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300870A (en) * | 2017-07-31 | 2017-10-27 | 山西瑞泽恒达科贸有限公司 | A kind of Internet of Things thing control master control box device for police affairses system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050119 Termination date: 20120917 |