CN2427838Y

CN2427838Y - External interface device for computer

Info

Publication number: CN2427838Y
Application number: CN 00233245
Authority: CN
Inventors: 邝允铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-05-26
Filing date: 2000-05-26
Publication date: 2001-04-25
Anticipated expiration: 2008-10-09

Abstract

The utility model relates to an external interface device for a computer. The utility model is mainly composed of an SCSI slot (41), an interface rowed wire (43), an SCSI interface slot (26), a power socket (22), a control wafer (27), and at least one IDE interface slot (25), wherein, an external interface (40) is provided with the SCSI slot (41) which is connected via the interface rowed wire (43) with the SCSI interface slot (26) additionally arranged on a computer host board (20) which is provided with the control wafer (27); by the design of the circuit design on the computer host board (20), the interface slot (26) can be connected with the control wafer (27) for coupling and simultaneously connected with each IDE interface slot (25) on the computer host board (20) for coupling via the control wafer (27); besides, the interface slot (26) is connected to the power socket (22) for coupling.

Description

The circumscribed interface arrangement that computer is used

The utility model relates to a kind of as the power supply of computer motherboard and circumscribed peripheral equipment and the interface arrangement of signal transmission.

At present, along with science and technology and rapid economy development, computer has become enterprise, family or individual at one of routine work or indispensable equipment in life.Current computer type is also a lot, have senior, have simple and easy, having large-sizedly has miniaturely again, can use on office, family, meeting room, laboratory, hotel, automobile, aircraft, and this is enough to illustrate the fast development of computer, but the more important thing is that computer is from science calculating, drawing, word processing, become and had and literal, sound, image digitizing in addition can be handled and stored, and be sent to the multimedia and the communication function in each corner, the world.Also more and more huge just because of the function of computer, the handled quantity of information of computer is also more and more huge, to dealing with this huge interactive information amount, one of general modal HardwareUpgring means, increase exactly or use various newer Storage Medias, as CD-ROM device, high power capacity hard disc, the soft dish of high power capacity optical profile type etc.The mode of using the most directly makes things convenient for circumscribed again, except original equipment still can use, also need not to dismantle frequently computer, and is the easiest for general user.

The transmission interface of present computer information information, mainly contain two kinds, be SCSI (small-size computer general-purpose interface) and IDE (main frame internal hard drive interface), wherein scsi interface read or memory device somewhat expensive usually, use also and bother, therefore use amount is less, and the most universal interface or ide interface.

Present general employed circumscribed computer peripheral device, as the circumscribed hard disc, circumscribed compact disc read-only memory etc., all be that hard disc or compact disc read-only memory are loaded in the external connection box, and be connected on the parallel port (Parallel Port) that is positioned on the computer with transmission line, link up by this parallel port and computer.Use the advantage of this external connection box to be: the portability height, be easy to and any pc connection, because parallel port is one of standard interface of PC (PC), each computer all has a parallel port (the most normal use parallel port be exactly printer) at least.It is slower to use the parallel port interface to transmit information rate, is not suitable for transmitting bulk information, the error (Data Loss) that information transmits also can occur.Must carry additionally special driver in addition, just can link up with computer.Usually the transmission that also must have special hardware to come process information, this explanation, all external connection boxes must have a special IC to undertake this work.Use circumscribed equipment, all must provide electric power simultaneously, for this reason, nearly all external connection box all installs a power supply unit in addition additional.So use parallel port to see that technically efficient is very low.

At above-mentioned situation, the speed of information interchange had both been considered in the raising that the computer operation technique requires, the reduction of manufacturing cost, consider the great variety of environment for use again, answer matching computer relevant technologies principle, propose best solution to satisfy present computer user's actual demand.

The purpose of this utility model is at above-mentioned situation, the circumscribed interface arrangement that provides a kind of computer to use, can convert the transmission interface (IDE or scsi interface) that is positioned on the computer motherboard to the circumscribed interface arrangement, and directly connect the computer peripheral device that uses various circumscribeds by a transmission flat cable, can not need additionally to install additional integrated circuit and driver, promptly directly drive this circumscribed peripheral equipment.Can directly circuit design be arranged on the computer motherboard, but and the behaviour in service of each ide interface groove on the Auto-Sensing computer motherboard, and automatically the interface arrangement slot is switched on the ide interface that is connected on the suitable motherboard.This circumscribed interface arrangement also can serve as power lead by circuit unnecessary on the transmission line, directly supplies external peripheral equipment with the electric current of the power supply in the host computer, makes this class circumscribed interface arrangement be applicable to the notebook type computer.

The utility model is achieved through the following technical solutions:

A kind ofly be used for the circumscribed interface arrangement that computer is used, mainly form by scsi socket (41), interface winding displacement (43), scsi interface slot (26), power socket (22), control wafer (27) and at least one ide interface groove (25).

Circumscribed interface (40) is equipped with a scsi socket (41), this scsi socket (41) is connected in an interface slot SCSI (26) who is set up on the computer motherboard (20) via an interface winding displacement (43), one control wafer (27) is housed on computer main board (20), by the circuit design that designs on computer motherboard (20), interface slot (26) can be of coupled connections in control wafer (27), and via be of coupled connections simultaneously each ide interface groove (25) on computer motherboard (20) of control wafer (27).Interface slot (26) is of coupled connections to power socket (22) in addition, so that the control of the controlled wafer of power supply (27) on the computer motherboard (20) is supplied to scsi socket (41) via interface winding displacement (43).

The utlity model has following advantage and effect:

1. the utility model makes full use of existing IDE of computer motherboard or scsi interface, it is transferred to for external various circumscribed peripheral equipments use.

2. the utility model is directly to connect various SCSI devices with scsi interface, and therefore, the rate of information throughput is fast, and error is few, and need not plug-in any driver.

3. the utility model can directly transmit the electric power of computer inside, and therefore, external peripheral equipment can need not to install in addition power supply unit, saves the space and the cost that use external device.

4. the utility model can directly be arranged in circuit design on the computer motherboard, can save the space of interface, dwindles the size of interface.

5. but the behaviour in service of each ide interface groove on the utility model Auto-Sensing computer motherboard, and can automatically the interface arrangement slot be switched on the ide interface that be connected on the suitable motherboard.

The drawing of accompanying drawing is described as follows:

Fig. 1 respectively installs connection diagram for the utility model first embodiment when using

Fig. 2 is the utility model second embodiment computer motherboard synoptic diagram

Fig. 3 is the utility model the 3rd embodiment computer motherboard synoptic diagram

Be described further below in conjunction with drawings and Examples:

As seen from Figure 1, being the utility model first embodiment, is to utilize a circumscribed interface 40 to be used as computer motherboard 20 and the IDE signal of circumscribed IDE periphery outfit 30 and the transmission interface of power supply.Wherein this computer motherboard 20 has a power socket 22 (it is connected in a power supply unit not shown in the figures) and at least one ide interface groove 25 (is IDE-Slot, general motherboard has two ide interface grooves more, and it is called IDE-Slot1 and IDE-Slot2) to be used for transmitting power supply and IDE signal respectively.

This circumscribed interface 40 is provided with and comprises a slot 41, and it generally can be the scsi socket with 50 pins (Pin) is preferable, so the following description will be an example with scsi socket 41, also can be substituted by any various slot that has more than 42 pins certainly.This is drawn together groove 41 and is connected in an interface slot 26 (it can be a scsi socket) of being set up on the computer motherboard 20 via an interface winding displacement 43 (it can be a SCSI winding displacement or any winding displacement that has more than 42 pins).Be provided with a control wafer 27 in computer motherboard 20, by the circuit design that designs on computer motherboard 20, wherein 40 pins of interface slot 26 can be of coupled connections in this control wafer 27, and via be of coupled connections simultaneously each ide interface groove 25 on computer motherboard 20 of control wafer 27.Transmit the pin of information and one of them in this each ide interface groove 25 by being used on these control wafer 27 may command slots 41, and a unique ide interface groove 25 is of coupled connections (promptly can not connect two simultaneously), to carry out the transmission of IDE signal.And, include a steering logic in this control wafer 27, but the behaviour in service of each ide interface groove 25 on the Auto-Sensing computer motherboard 20, and automatically interface slot 26 switchings are connected on the suitable ide interface groove 25.For example, when control wafer 27 detects IDE-Slot1 on the computer motherboard 20 also can connect an IDE device time, this control wafer 27 promptly can be connected to interface slot 26 on the IDE-Slot1; And detecting the full and IDE-Slot2 of IDE-Slot1 on the computer motherboard 20 when still having vacant position when control wafer 27, it promptly is connected to interface slot 26 on the IDE-Slot2 automatically; And detect all IDE slots on the computer motherboard 20 when all having filled when control wafer 27, then can automatically interface slot 26 be opened circuit with the generation of the phenomenon that avoids conflict.Certainly, also can set up a switch (Fig. 6 does not show) on the computer motherboard 20 in manual mode or carrying out interface slot 26 in the mode of software control is connected with switching between IDE-Slot1 and IDE-Slot2.In addition, have at least above connection of two pins to be coupled on this power socket 22 in the interface slot 26, so that the power supply on the computer motherboard 20 is supplied to slot 41 via interface winding displacement 43.Also can will be in the interface slot 26 be connected on the control wafer 27 via this circuit design in order to the pin of transmission power supply, the supply that decides power supply with the control of controlled wafer 27 whether.Moreover, can set up in the circuit design on computer motherboard 20 and comprise that a current buffering unit and signal amplifying unit (not shown) are with holding circuit and strengthen signal.

Be also shown in by Fig. 1, this circumscribed IDE periphery is equipped with 30 and is inserted between the outfit 30 of circumscribed IDE periphery and this slot 41 with as the media that transmits IDE signal and power supply simultaneously by a winding displacement 47 (it can be a SCSI winding displacement is preferable, so the following description will be an example with SCSI winding displacement 47).One preferred embodiment of circumscribed IDE periphery of the present utility model outfit 30 includes: a housing 31 and is placed in the IDE periphery 36 (it can be hard disc, CD-ROM device or the magnetic tape station etc. of an employing ide interface) in this housing 31.Be provided with a peripheral scsi socket 32 with this SCSI winding displacement 47 of planting in housing 31.Each pin of this periphery scsi socket 32 is connected on the peripheral circuit plate 33, and by the circuit design on the peripheral circuit plate 33, being used for the pin of transmission signal in each pin with peripheral scsi socket 32 is connected on the periphery transmission port 34 that is fixed on the peripheral circuit plate 33 (it can be an IDE port is preferable), and simultaneously the pin that is used for transmitting power supply in the peripheral scsi socket 32 is connected in a peripheral power supply port 35 of being fixed on the peripheral circuit plate 33.When this IDE periphery 36 being drawn together when inserting in the housing 31, Signal connector on this IDE periphery 36 and power connection just can be inserted and positioned in respectively on this periphery transmission port 34 and the peripheral power supply port 35, therefore, IDE signal and power supply on the computer motherboard 20, just can be provided to circumscribed IDE periphery by this circumscribed interface 40 is equipped with on 30, not only this circumscribed periphery does not need to dispose separately extra DC power supply (for example transformer), it is external also can to avoid using expensive SCSI periphery, or parallel port comes the transmission data slowly.Certainly, the above only is a preferred embodiment of the present utility model, but and be not to be unique embodiment, put a power hole (not shown) and be connected on the peripheral circuit plate 33 and be equipped with at this circumscribed IDE periphery to set up on 30 the housing 31, and on peripheral circuit plate 33, have additional the switch (not shown), the user just switching of available this switch selects to use via the power hole extra d-c transformer of pegging graft power supply is provided, or uses the power supply on the computer motherboard 20 that is transmitted via winding displacement 47.In addition, also this winding displacement 47 can be designed to have the winding displacement (not shown) of tap, be equipped with 30 and make this winding displacement can connect two circumscribed IDE peripheries simultaneously.

As seen from Figure 2, be the utility model second embodiment, on the general motherboard or the computer motherboard 20a of laptop.Because simple type computer or laptop have the narrow and small restriction in inner space, therefore, how the space hold of circumscribed interface 40 of the present utility model further can be dwindled, be that the utility model can be applicable to the emphasis on simple type computer or the laptop, as for other known elements of laptop for example shell mechanism or other slot etc., owing to be not feature of the present utility model, so do not repeat them here.Among the embodiment shown in Figure 2, mainly be slot 41a to be set directly at computer motherboard 20a go up to exempt the use of the interface winding displacement 43 among Fig. 1, and the mode of its setting, the direct welding of slot 41a can be coupling on the computer motherboard 20a, or a socket (not shown) be set on computer motherboard 20a with this slot of direct plant 41a.As previously mentioned, also have a power socket 22a, two IIE interface slot 25a, control wafer 27a and a current buffering and the signal amplifying unit 28 with steering logic on the computer motherboard 20a, and connect above-mentioned each element of coupling by the suitable circuit design on the computer motherboard 20a.On the circuit design of computer motherboard 20a, can be provided with and include at least one group of switch 48 and LED light 49.This switch 48 can be used to switch slot 41a, make its switching be connected in one of them of two LDE interface slot 25a, and LED light 49 can be used to indicate the supply situation of power supply.Certainly, can on computer motherboard 20a, set up of the supply of another group switch (not shown), or allowing control wafer 27a judge automatically with decision and control slot 41a is connected with which IED interface slot 25a with the control power supply.

As seen from Figure 3, be the 3rd embodiment of the present utility model, can be applicable to the circumscribed peripheral equipment of IDE or SCSI simultaneously.The structure of the circumscribed interface shown in Fig. 3 is identical with embodiment shown in Fig. 2 substantially, also include a slot 41b who directly is arranged on the computer motherboard 20b, and also have a power socket 22b, two ide interface groove 25b, one on the computer motherboard 20b and have control wafer 27b, a current buffering and the signal amplifying unit 28b of steering logic, at least one group of switch 48b and at least one group of LED light 49b.What they were different is, if with a scsi socket is example, because 50 pins that general scsi socket is had not are can be used to transmission signal all, and pin that still can remaining part is on the shelf, so, in this embodiment, on computer motherboard 20b, more include a built-in scsi interface groove 29, and the most pin of this slot 41b (this slot 41b is a scsi socket in present embodiment) (or whole pin) is to connect by the circuit design on the computer motherboard 20b to be coupled in this control wafer 27b, and then is coupled in this two ide interface groove 25b and scsi interface groove 29 via control wafer 27b connection.By this control wafer 27b (also can by BIOS on the computer motherboard 20b or operating system) actually or come this slot of Auto-Sensing 41b external peripheral equipment adopt the ide interface scsi interface, and each pin that makes slot 41b of automaticallying switch connects and is coupling on suitable the ide interface groove 25b or scsi interface groove 29.Certainly, which ide interface groove 25b also can set up a pin that switch to select (or also can establish a switch in addition) to allow the user can manual mode decide and control slot 41b in its sole discretion on this switch 48b be with or scsi interface groove 29 is connected.Certainly, slot 41b among Fig. 3 only is connected on the scsi interface groove 29 and is not connected ide interface groove 25b, and allow this slot 41b only be applicable to circumscribed SCSI peripheral equipment.Like this, just the scope of application of the present utility model can be expanded on the circumscribed SCSI peripheral equipment by circumscribed IDE peripheral equipment, even both all can use.

Claims

1. the circumscribed interface arrangement that computer is used mainly is made up of scsi socket (41), interface winding displacement (43), interface slot SCSI (26), power socket (22), control wafer (27) and at least one ide interface groove (25), it is characterized in that:

Circumscribed interface (40) is equipped with a scsi socket (41), this scsi socket (41) is connected in an interface slot SCSI (26) who is set up on the computer motherboard (20) via an interface winding displacement (43), one control wafer (27) is housed on computer motherboard (20), by the circuit design that designs on computer motherboard (20), interface slot (26) can be of coupled connections in control wafer (27), and via be of coupled connections simultaneously each ide interface groove (25) on computer motherboard (20) of control wafer (27), interface slot (26) is of coupled connections to power socket (22) in addition, so that the control of the controlled wafer of power supply (27) on the computer motherboard (20) is supplied to scsi socket (41) via interface winding displacement (43).

2. circumscribed interface arrangement according to claim 1 is characterized in that: described slot (41) is a SCSl slot, and winding displacement is a SCSI winding displacement (43).

3. circumscribed interface arrangement according to claim 1, it is characterized in that: the described type of attachment that is connected in computer motherboard in order to each pin with slot is for directly to be weldingly fixed on the computer motherboard (20a) by each pin with slot (41a), and is of coupled connections in the interface groove and the power supply of correspondence by each pin with slot of the circuit design on the computer motherboard.

4. circumscribed interface arrangement according to claim 1, it is characterized in that: the described type of attachment that is connected in computer motherboard in order to each pin with slot is for being provided with an interface slot with several pins by computer motherboard, and be connected on the interface slot by an interface winding displacement each pin with this slot, the pin of interface slot then is of coupled connections in the interface groove and the power supply of a correspondence by the circuit design on the computer motherboard.

5. circumscribed interface arrangement according to claim 1, it is characterized in that: on the circuit design of computer motherboard (20), be provided with a control wafer (27), being used for each pin of transmission signal on the slot directly is of coupled connections on control wafer (27), and control wafer (27) each interface groove on computer plate that is of coupled connections simultaneously, be of coupled connections by being used for the pin of transmission signal and an interface groove in each interface groove on control wafer (27) the may command slot, and machine carries out switching connecting moves between slot and the variant interface groove in due course.

6. circumscribed interface arrangement according to claim 5, it is characterized in that: control wafer is a control wafer with steering logic, can be according to the behaviour in service of each interface groove on the computer motherboard, decide and control slot is used for each pin of transmission signal is of coupled connections on suitable interface groove.

7. circumscribed interface arrangement according to claim 5, it is characterized in that: include a switch, it is of coupled connections in this control wafer, and mode switching controls that can be manual by this switch is of coupled connections each pin that this slot is used for transmitting information on suitable interface groove.

8. circumscribed interface arrangement according to claim 5, it is characterized in that: described interface groove includes at least more than one IDE interface groove and at least one SCSI interface groove, be of coupled connections by being used for the pin of transmission signal and an interface groove in each IDE interface groove or the SCSI interface groove on the control wafer may command slot, and can carry out automatic switchover connecting moves between slot IDE interface groove different or the SCSI interface groove in an opportune moment with each.

9. circumscribed interface arrangement according to claim 1, it is characterized in that: described circumscribed peripheral equipment comprises that a peripheral device and holds the housing of this peripheral device (31), being provided with a peripheral scsi socket (32) and on housing (31) is of coupled connections at the circuit board (33) of this periphery scsi socket (32), be fixed with a periphery transmission port (34) and a peripheral power supply port (35) at circuit board corresponding to the appropriate position of peripheral device, periphery scsi socket (32) winding displacement of can pegging graft, and in the time of in peripheral device is packed housing (31) into, a periphery transmission port (34) on the circuit board and a peripheral power supply port (35) just can corresponding respectively transmission port and the power supply ports that is plugged on the peripheral device.

10. circumscribed interface arrangement according to claim 1, it is characterized in that: described interface groove comprises at least more than one IDE interface groove and at least one SCSI interface groove, being used for the pin of transmission signal on the slot also is of coupled connections on SCSI interface groove, is located at switch on the computer motherboard by one and can carries out manual switchover connecting moves between slot and IDE interface groove or the SCSI interface groove.