CN101814680A - Computer connecting device capable of being used signal transmitting and power supply feeding means simultaneously - Google Patents
Computer connecting device capable of being used signal transmitting and power supply feeding means simultaneously Download PDFInfo
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- CN101814680A CN101814680A CN 201010123532 CN201010123532A CN101814680A CN 101814680 A CN101814680 A CN 101814680A CN 201010123532 CN201010123532 CN 201010123532 CN 201010123532 A CN201010123532 A CN 201010123532A CN 101814680 A CN101814680 A CN 101814680A
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Abstract
The invention provides a computer connecting device capable of being used as signal transmitting and power supply feeding means simultaneously, comprising a parallel interface connected with peripheral equipment by cable and a signal/power supply switching device connected with the parallel interface; wherein the signal/power supply switching device is a jumper selecting device and comprises at least two jumper selection connection ends, one jumper selection connection end is connected with the parallel signal terminal, and the other jumper selection connection end is connected with the power supply terminal, so as to select between the parallel signal terminal and the power supply terminal; and the signal/power supply switching device also comprises a control unit, the control unit drives a user interface by software to cause the computer to give out an instruction, so as to drive the signal/power supply switching device to select jumper. By the technical scheme, the computer connecting device capable of being used as signal transmitting and power supply feeding means simultaneously of the invention can realize selective data signal transmission or power supply feeding to peripheral equipment by hardware switch selection or superior software control, structure is simple, and operation is convenient.
Description
Technical field
The present invention refers to a kind of jockey that is used for computer and ancillary equipment thereof especially about a kind of connector.
Background technology
Utilize connector between the link of two electronic installations that are separated from each other, to carry out the bridge joint assembling to carry out signal, data be transmitted as prior art common in a kind of electronics industry, and the interface standard of parallel (Parallel) data communication that IEEE 1284 is formulated for present U.S. electronic industries alliance (EIA), be widely used in being connected with computer parallel interface and ancillary equipment, but in standard, but do not define the peripheral equipment standard that power supply is exported to connection, therefore increased the degree of difficulty of site operation wiring in design and made troubles for user's operation.According to above-mentioned defective of the prior art, be necessary to provide a kind of new technical scheme to solve aforementioned disadvantages.
Summary of the invention
For solving above-mentioned prior art weak point, the object of the invention provide a kind of can be simultaneously as transmission signals and as the computer connecting device of power supply for defeated means, can be selectively equipment transmission data signal or power supply is provided to the periphery, simple in structure and easy to operate.
For reaching above-mentioned purpose, the invention provides a kind of can be simultaneously as transmission signals and as the computer connecting device of power supply for defeated means, comprise parallel interface, be connected with ancillary equipment by cable, this device also comprises signal/power transfer device, stitch by parallel interface is connected with parallel interface, this signal/power transfer device also is connected with parallel signal end and power end respectively, thereby equipment transmission data signal or power supply is provided to the periphery selectively, this parallel signal end is connected with computer, and this power end is connected with power supply.Described signal/power transfer device is the wire jumper choice device, comprise at least two wire jumpers selection link, wherein a wire jumper is selected link and described parallel signal end, and another wire jumper selects link to be connected with described power end, is used for electing between parallel signal end and power end.Described signal/power transfer device also comprises control unit, and it uses the interface to make computer send instruction drive signal/power transfer device by software-driven and does the wire jumper selection.Described parallel interface is the Centronics form of 36 stitch or the DB25 form of 25 stitch.Described power supply is imported by power supply adaptor, and its AC power with the outside is converted to DC power supply, and can select power supply adaptor according to ancillary equipment required voltage and electric current elasticity.Described power supply is provided by computer motherboard BUS bus, and boosts or step-down according to the ancillary equipment required voltage.Described power supply is provided by the power supply unit of computer, and boosts or step-down according to the ancillary equipment required voltage.
The above-mentioned technology of the present invention is can define voluntarily at each stitch arranged side by side, selects power supply and signal output according to user's demand, is not subject to which PIN; The source diversity of this external power also is to have sizable different with prior art, and power supply output can be carried out the elasticity selection according to demand arranged side by side especially, and the output of power supply is selected not only can choose by switch, also can see through software mode and select, significantly increase user's convenience.
Aforementioned calculation machine connector provided by the invention, can be under the definition of existing standard IEEE 1284, by doing the change of definition on the connector stitch, specification with power supply output replaces the stitch that original sky connects or parallel data communication signal defines, make the present invention in the complex function that possesses transmission parallel data communication signal by identical cable simultaneously and power supply is provided, significantly to increase the convenience that uses, it serves to show its gain part.
Description of drawings
Fig. 1 is a configuration schematic diagram of the present invention; And
Fig. 2 is that partial component of the present invention is implemented schematic diagram.
Embodiment
Illustrate in greater detail technical scheme of the present invention and technique effect below in conjunction with drawings and Examples.Wherein employed accompanying drawing only for the usefulness of signal and aid illustration book, may not be true ratio after the invention process and precisely configuration, so the present invention is not limited to ratio and configuration relation as shown in drawings.
As shown in Figure 1, for of the present invention can be simultaneously as transmission signals and as the preferred implementation of power supply for the computer connecting device of defeated means, it comprises a parallel interface 10, one signal/power transfer device 20, one a parallel signal end 30 and a power end 40.
Described parallel interface 10 can electrically connect by ancillary equipment 90 such as cable 80 and printers.Described parallel interface 10 can be under the existing parallel data communication interface standard standard has the DB25 interface of 25 stitch 11, or has the Centronics interface of 36 stitch.
Described signal/power transfer device 20 is used for switching at parallel signal end 30 and 40 of power ends.And described signal/power transfer device 20 electrically connects with described parallel interface 10 by a wherein stitch 11 of parallel interface 10, thus stitch 11 output signal or power supply selectively.In one embodiment, described signal/power transfer device 20 is a wire jumper choice device, it comprises that wire jumper selects the link (not shown), is used for selecting at parallel signal end 30 and power end 40 intercropping wire jumpers, thus equipment 90 transmission of data signals or power supply is provided to the periphery selectively.
Described parallel signal end 30 selects link to electrically connect with a wherein wire jumper of described signal/power transfer device 20.And described parallel signal end 30 also is connected with the computer (not shown), is used for the receiving computer data signals transmitted.
Described power end 40 selects link to electrically connect with described another wire jumper.And described power end 40 also is connected with the supply unit (not shown), is used to receive the power supply that supply unit provides.In a preferred embodiment, the power supply of described power end 40 can be imported by power supply adaptor, and its AC power with the outside is converted to DC power supply, and can select power supply adaptor according to ancillary equipment 90 required voltages and electric current elasticity.In another preferred embodiment, the power supply of described power end 40 is provided by the standard BUS bus of computer main frame panel, for example the ISA on the motherboard, PCI, PCIExpress, ExpressCard, PCMCIA, USB, BUS buses such as 1394.Because the galvanic power supply of BUS line line output is restricted, for example 3.3VDC, 5VDC, 12VDC so the present invention can be boosted or step-down by the power circuit conversion designs, satisfy the peripheral power supply requirement of equipment 90 side by side.In another embodiment of the present invention, the power supply of power end 40 provides (Power Supply) by the power supply unit of computer.Because the galvanic power supply of the power supply unit of PC output is restricted, for example 3.3VDC, 5VDC, 12VDC or 24VDC so the present invention can be boosted or step-down by the power circuit conversion designs, satisfy the peripheral power supply requirement of equipment 90 side by side.
Of the present inventionly can be simultaneously how to realize selectively to the periphery the equipment transmission data signal or power supply is provided for the computer connecting device of defeated means in order to further specify, please cooperate with reference to figure 2 as transmission signals and as power supply.Described signal/power transfer device 20 further comprises general I/O (GPIO, General Purpose I/O) control unit 21, and software-driven is used interface 70.Described control unit 21 is used for coming drive signal/power transfer device 20 to select at parallel signal end 30 and power end 40 intercropping switches according to the instruction that computer sends, and promptly switches between parallel signal end 30 and power end 40.Described software-driven uses interface 70 to be installed on user's computer, thereby makes the user send instruction to carry out the switching of above-mentioned signal/power supply by the operation on the computer operating system to the control unit 21 of signal/power transfer device 20.When signal/power transfer device 20 switches to parallel signal end 30.Parallel signal end 30 transfers to ancillary equipment 90 with the data-signal that computer transmits by signal/power transfer device 20, parallel interface 10 and cable 80.Similarly, when signal/power transfer device 20 switches to power end 40.Power end 40 by signal/power transfer device 20, parallel interface 10 and cable 80 to the periphery equipment 90 power supply is provided.By technique scheme, of the present inventionly can be simultaneously can realize selectively to the periphery the equipment transmission data signal or power supply is provided by simple circuit configuration for the computer connecting device of defeated means as transmission signals and as power supply.
In another embodiment, described signal/power transfer device 20 is a switching device, by manual operation signal/power transfer device 20 is switched between parallel signal end 30 and power end 40, thereby also can realize selectively equipment transmission data signal to the periphery or the function of power supply is provided.
Elasticity of the present invention is used the standard definition of EIA association, and allow power supply can export peripheral equipment 90 side by side to by the stitch 11 in the parallel interface 10, and the characteristic of maximum of the present invention is exactly can allow the user pass through the most simple hardware switch select, or control by upper layer software (applications), but realize stitch 11 elastifications ground selection out-put supply or signal in the parallel interface 10, thereby be applied to different peripheral equipment 90 and simple in structure, easy to operate side by side.
And the peripheral equipment 90 needed magnitudes of current side by side will be provided by power end 40, give suitable protection so it should be noted that the holding capacity of cable 80, avoid overload problems to produce; In addition; for the problem that prevents that peripheral equipment 90 internal short-circuits side by side from causing power supply to recharge; so can cause the damage of system equipment; so the present invention must pay much attention to for power circuit protection; need to protect design at the input stitch 11 of signal and power supply simultaneously, comprise and use optical coupler, diode and fuse, isolate inner and outside; with the effect of guaranteeing that built-in system end and peripheral equipment side by side 90 are fully isolated, to reach the purpose of protection.
Above-described embodiment; its purpose is to enable those skilled in the art to understand content of the present invention; and implement according to this; it is not qualification to protection range of the present invention; any equalization of doing according to disclosed spirit changes or modifies, and must be encompassed in the claim of the present invention.
Claims (9)
- One kind can be simultaneously as transmission signals and as the computer connecting device of power supply for defeated means, comprise parallel interface, be connected with ancillary equipment by cable, it is characterized in that, this device also comprises signal/power transfer device, stitch by parallel interface is connected with parallel interface, this signal/power transfer device also is connected with parallel signal end and power end respectively, thereby equipment transmission data signal or power supply is provided to the periphery selectively, this parallel signal end is connected with computer, and this power end is connected with supply unit.
- 2. as claimed in claim 1 can be simultaneously as transmission signals and as the computer connecting device of power supply for defeated means, it is characterized in that, described signal/power transfer device is the wire jumper choice device, comprise at least two wire jumpers selection link, wherein a wire jumper is selected link and described parallel signal end, another wire jumper selects link to be connected with described power end, is used for electing between parallel signal end and power end.
- 3. as claimed in claim 2 can be simultaneously as transmission signals and as the computer connecting device of power supply for defeated means, it is characterized in that, described signal/power transfer device also comprises control unit, and it uses the interface to make computer send instruction drive signal/power transfer device by software-driven and does the wire jumper selection.
- 4. as claimed in claim 1ly can it is characterized in that described signal/power transfer device is a switching device, by manual equipment transmission data signal or power supply is provided to the periphery simultaneously as transmission signals and as the computer connecting device of power supply for defeated means.
- 5. as claimed in claim 3 can be simultaneously as transmission signals and as the computer connecting device of power supply for defeated means, it is characterized in that, described power supply is imported by power supply adaptor, its AC power with the outside is converted to DC power supply, and can select power supply adaptor according to ancillary equipment required voltage and electric current elasticity.
- 6. as claimed in claim 3ly can it is characterized in that described power supply is provided by computer motherboard BUS bus, and boosts or step-down according to the ancillary equipment required voltage simultaneously as transmission signals and as the computer connecting device of power supply for defeated means.
- 7. as claimed in claim 3 can it is characterized in that described power supply is provided by the power supply unit of computer, and boost or step-down simultaneously as transmission signals and as the computer connecting device of power supply for defeated means according to the ancillary equipment required voltage.
- 8. as each describedly can is characterized in that described parallel interface is the Centronics form of 36 stitch simultaneously as transmission signals and as the computer connecting device of power supply for defeated means in the claim 5 to 7.
- 9. as each describedly can is characterized in that described parallel interface is the DB25 form of 25 stitch simultaneously as transmission signals and as the computer connecting device of power supply for defeated means in the claim 5 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010123532 CN101814680A (en) | 2010-03-12 | 2010-03-12 | Computer connecting device capable of being used signal transmitting and power supply feeding means simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010123532 CN101814680A (en) | 2010-03-12 | 2010-03-12 | Computer connecting device capable of being used signal transmitting and power supply feeding means simultaneously |
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| Publication Number | Publication Date |
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| CN101814680A true CN101814680A (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010123532 Pending CN101814680A (en) | 2010-03-12 | 2010-03-12 | Computer connecting device capable of being used signal transmitting and power supply feeding means simultaneously |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201608401U (en) * | 2009-12-29 | 2010-10-13 | 昆山五昌新精密电子工业有限公司 | Connector with function of parallel-port electrical output |
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2010
- 2010-03-12 CN CN 201010123532 patent/CN101814680A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201608401U (en) * | 2009-12-29 | 2010-10-13 | 昆山五昌新精密电子工业有限公司 | Connector with function of parallel-port electrical output |
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Open date: 20100825 |