CN201608401U - Connector with function of parallel-port electrical output - Google Patents
Connector with function of parallel-port electrical output Download PDFInfo
- Publication number
- CN201608401U CN201608401U CN2009203507258U CN200920350725U CN201608401U CN 201608401 U CN201608401 U CN 201608401U CN 2009203507258 U CN2009203507258 U CN 2009203507258U CN 200920350725 U CN200920350725 U CN 200920350725U CN 201608401 U CN201608401 U CN 201608401U
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- power
- power supply
- signal
- connector
- transfer device
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Abstract
The utility model relates to a connector with the function of parallel-port electrical output. The connector comprises a parallel-port part, a signal/power switching device, a parallel-port signal terminal and a power terminal, wherein the parallel-port part is provided with a plurality of tube pins and electrically connected to peripheral parallel-port equipment through a cable; the signal/power switching device is electrically connected to one tube pin of the parallel-port part and is a jumper selecting device; the parallel-port signal terminal is electrically connected to one jumper selecting connection terminal on the signal/power switching device; and the power terminal is electrically connected to the other jumper selecting connection terminal of the signal/power switching device. Besides fulfilling the role of a connector as defined in the standard IEEE 1284 specifications, the connector provided by the utility model can select the right type of power output per situation, thereby greatly improving the use convenience.
Description
Technical field
The utility model relates to a kind of parallel port connector, refers in particular to a kind of connector with tool parallel port electricity output function of the complex function of transmitting parallel data signal and power supply.
Background technology
Utilize connector between the link of two electronic installations that are separated from each other, to do the bridge joint assembling to carry out common prior art in a kind of electronics industry of being transmitted as of signal, data, and the Interface Standard of (Parallel) data communication arranged side by side that IEEE 1284 is formulated for present U.S. electronic industries alliance (EIA), being widely used in computer interface arranged side by side external equipment connects, but in standard, but do not define the external complement that power supply is exported to connection, increased the degree of difficulty of site operation wiring and user's not convenient property thus in design.
The utility model content
For solving above-mentioned prior art weak point, the utility model purpose is at the connector that a kind of tool parallel port electricity output function is provided, and can transmit to possess parallel data signal of communication and power supply simultaneously, significantly increases ease of use.
For reaching above-mentioned purpose, the utility model provides the connector of a kind of tool parallel port electricity output function, comprising:
Oral area in the lump, it has a plural number pin, and it is electrically connected to a peripheral and jaws equipment to carry out the transmission of parallel data signal of communication and power supply simultaneously by a cable;
One signal/power transfer device, its be electrically connected at and the wherein pin of oral area on, it is a wire jumper choice device, and selects the pin that it connected is done the switching of signal output or power supply output by wire jumper;
Mouthful signal end in the lump, it is electrically connected on signal/power transfer device wherein a wire jumper and selects to connect on the end, for output parallel data signal of communication;
One power end, its another wire jumper that is electrically connected at signal/power transfer device is selected to connect on the end, for out-put supply.
Described and oral area is the DB25 form of 25 pins.
Described and oral area is the Centronics form of 36 pins.
Further have a general I/O control unit in described signal/power transfer device, with further signal/power transfer device is connected to a software-driven use the interface with make the user by the operation on the electronic computer operating system drive signal/power transfer device make wire jumper and select.
The power supply of described power end is for passing through the power supply adaptor input mode, and the power supply adaptor that power supply changes DC by external AC is directly imported, and voltage is then selected by different power supply adaptor elasticity with the requirement of electric current.
The power supply of described power end also is the BUS bus input mode by computer motherboard, and power supply is obtained by the standard BUS bus power source of motherboard, and has by the power circuit conversion designs and boost or the feature of step-down.
The power supply of described power end is for by electronic computer power supply supply input mode, and has by the power circuit conversion designs and boost or the feature of step-down.
The above-mentioned technical scheme of the utility model is compared with the Chinese utility model patent in the background technology, and difference is can define voluntarily at the pin of each parallel port, 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 above-mentioned utility model patent, and power supply output can be carried out the elasticity selection according to the demand of parallel port especially, and the output of power supply is selected, not only can see through switch chooses, also can see through software mode and select, significantly increase user's convenience.
The above-mentioned connector that the utility model provides, it can be in existing standard IEEE 1284, under the definition of the connector of standard, by doing the change of definition on the connector pin, specification with power supply output replaces the pin that original sky connects or the parallel data signal of communication defines, make the utility model by mutually same cable media, can possess the complex function of transmission parallel data signal of communication and power supply simultaneously, significantly to increase the convenience that uses.
Description of drawings
Fig. 1 is a configuration schematic diagram of the present utility model;
Fig. 2 is that local element of the present utility model is implemented schematic diagram.
Embodiment
For further understanding the technical solution of the utility model, below in conjunction with accompanying drawing, and be described in detail as follows with the expression-form of embodiment, it should be understood that following description just for the usefulness of signal and aid illustration book, is not to be used for limiting scope of the present utility model.
Please cooperate referring to shown in Figure 1, the connector of tool of the present utility model parallel port electricity output function can comprise in the lump oral area 10, one signal/power transfer device 20, a mouthful signal end 30 and a power end 40 in the lump in a preferred implementation.
Aforementioned and oral area 10 can be the DB25 form (or can be the Centronics form with 36 pins) that has 25 pin ones 1 under the existing parallel data communication interface standard criterion, and it can be electrically connected to a peripheral also jaws equipment 90 to carry out the transmission of parallel data signal of communication and power supply simultaneously by a cable 80.As can be seen from Figure 1, in this example and oral area 10 be to adopt to have the DB25 form of 25 pin ones 1.But the application not only is confined to this, Fig. 1 be not be used to limit of the present utility model.
Aforementioned signal/power transfer device 20 be electrically connected at and the wherein pin one 1 of oral area 10 on, it can be a wire jumper choice device, please further cooperate referring to shown in Figure 2, wherein can further have a general I/O (GPIO in signal/power transfer device 20, General Purpose I/O) control unit 21, use interface 70 can do the wire jumper selection by drive signal/power transfer device 20 by the operation on the electronic computer operating system further signal/power transfer device 20 is connected to a software-driven, and select the pin one 1 that it connected is done the switching of signal output or power supply output by wire jumper to make the user.Need to prove, the application can allow the user pass through the most simple hardware switch and select, be the simplest switch such as signal/power transfer device, the user reaches the purpose of selecting power supply output still to select the output of parallel data communication signal by the operation to switch.The application can also be by the mode of software control, has power supply output and selects to set purpose with signal output but reach pin one 1 elastifications in connector and the oral area 10, allows the user conveniently be applied to different peripheral and jaws equipments 90.The most important thing is that in a connector product, the designer should fall into the application's protection range as long as adopt any in this dual mode.
Aforementioned parallel port signal end 30 is electrically connected on signal/power transfer device 20 wherein a wire jumper and selects to connect on the end, for output parallel data signal of communication.With Fig. 2 is example, and parallel port signal end 30 can be connected to pin " SINGLE1 ", " SINGLE2 ".
Aforementioned power source end 40 is electrically connected at another wire jumper of signal/power transfer device 20 and selects to connect on the end, for out-put supply, wherein the power supply of power end 40 can be by the power supply adaptor input mode, the power supply adaptor that power supply changes DC by external AC is directly imported, and voltage then can be selected by different power supply adaptor elasticity with the requirement of electric current.With Fig. 2 is example, and power end 40 can be connected to pin " POWER1 ", " POWER2 ".
In addition, the power supply of power end 40 also can be the BUS bus input mode by computer motherboard, power supply is obtained by the standard BUS bus power source of motherboard, the for example ISA on the motherboard, PCI, PCI Express, ExpressCard, PCMCIA, USB, BUS buses such as 1394, because the galvanic power supply of BUS bus output is restricted, for example 3.3VDC, 5VDC, 12VDC, so the utility model can boost or step-down by the power circuit conversion designs, satisfy the power supply requirement of peripheral and jaws equipment 90.
Moreover, the power supply of power end 40 can be by electronic computer power supply supply input mode, power supply can be obtained by the power supply unit (Power Supply) of PC, 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 utility model can boost or step-down by the power circuit conversion designs, satisfy the power supply requirement of peripheral and jaws equipment 90.
The standard definition of the utility model elasticity utilization EIA association, and allow power supply can export peripheral and jaws equipment 90 to by the pin one 1 in connector and the oral area 10, and the characteristic of the utility model maximum is exactly can allow the user pass through the most simple hardware switch select, or control by upper layer software (applications), have power supply output and signal output selection setting purpose but reach connector and oral area 10 interior pin one 1 elastifications, allow the user conveniently be applied to different peripheral and jaws equipments 90.
And peripheral and the jaws equipment 90 needed magnitudes of current will be provided by power end 40, give suitable protection so it should be noted that the holding capacity of cable 80, avoid the overload problem to produce; In addition; in order to prevent problem peripheral and that jaws equipment 90 internal short-circuits cause power supply to recharge; so can cause the damage of system equipment; so the utility model must be paid much attention to for power circuit protection; need to protect design at the input pin 11 of signal and power supply simultaneously, comprise and use optical coupler, diode and fuse, isolate inner and outside; to guarantee built-in system end and effect peripheral and that jaws equipment 90 is fully isolated, to reach the purpose of protection.
Above-described embodiment only is explanation technological thought of the present utility model and characteristics, its purpose is enabling those skilled in the art to understand content of the present utility model and enforcement according to this, when not limiting scope of the present utility model with the above embodiments, promptly the equalization of doing according to the spirit that the utility model disclosed generally changes or modifies, and must be encompassed in the scope of the present utility model.
Claims (7)
1. the connector of a tool parallel port electricity output function is characterized in that, comprising:
Oral area in the lump, it has a plural number pin, and it is electrically connected to a peripheral and jaws equipment to carry out the transmission of parallel data signal of communication and power supply simultaneously by a cable;
One signal/power transfer device, its be electrically connected at and the wherein pin of oral area on, it is a wire jumper choice device, and selects the pin that it connected is done the switching of signal output or power supply output by wire jumper;
Mouthful signal end in the lump, it is electrically connected on signal/power transfer device wherein a wire jumper and selects to connect on the end, for output parallel data signal of communication;
One power end, its another wire jumper that is electrically connected at signal/power transfer device is selected to connect on the end, for out-put supply.
2. the connector of tool as claimed in claim 1 parallel port electricity output function is characterized in that wherein said and oral area is the DB25 form of 25 pins.
3. the connector of tool as claimed in claim 1 parallel port electricity output function is characterized in that wherein said and oral area is IEEE 1284 forms of 36 pins.
4. as the connector of electricity output function in each described tool parallel port in the claim 1 to 3, it is characterized in that, further have a general I/O control unit in wherein said signal/power transfer device, in order to further signal/power transfer device is connected to a software-driven use the interface with make the user by the operation on the electronic computer operating system drive signal/power transfer device make wire jumper and select.
5. as the connector of electricity output function in each described tool parallel port in the claim 1 to 3, it is characterized in that, the power supply of wherein said power end is for passing through the power supply adaptor input mode, the power supply adaptor that power supply changes DC by external AC is directly imported, and voltage then comes elasticity to select by different power supply adaptors with the requirement of electric current.
6. as the connector of electricity output function in each described tool parallel port in the claim 1 to 3, it is characterized in that, the power supply of wherein said power end is the BUS bus input mode by computer motherboard, power supply is that the standard BUS bus power source by motherboard obtains, and has by the power circuit transformation energy and boost or the feature of step-down.
7. as the connector of electricity output function in each described tool parallel port in the claim 1 to 3, it is characterized in that, the power supply of wherein said power end is for by electronic computer power supply supply input mode, and has by the power circuit conversion designs and boost or the feature of step-down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203507258U CN201608401U (en) | 2009-12-29 | 2009-12-29 | Connector with function of parallel-port electrical output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203507258U CN201608401U (en) | 2009-12-29 | 2009-12-29 | Connector with function of parallel-port electrical output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608401U true CN201608401U (en) | 2010-10-13 |
Family
ID=42953102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203507258U Expired - Fee Related CN201608401U (en) | 2009-12-29 | 2009-12-29 | Connector with function of parallel-port electrical output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201608401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814680A (en) * | 2010-03-12 | 2010-08-25 | 昆山五昌新精密电子工业有限公司 | Computer connecting device capable of being used signal transmitting and power supply feeding means simultaneously |
-
2009
- 2009-12-29 CN CN2009203507258U patent/CN201608401U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814680A (en) * | 2010-03-12 | 2010-08-25 | 昆山五昌新精密电子工业有限公司 | Computer connecting device capable of being used signal transmitting and power supply feeding means simultaneously |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |