CN103188349A - COM interface equipment adaptor - Google Patents
COM interface equipment adaptor Download PDFInfo
- Publication number
- CN103188349A CN103188349A CN 201110443675 CN201110443675A CN103188349A CN 103188349 A CN103188349 A CN 103188349A CN 201110443675 CN201110443675 CN 201110443675 CN 201110443675 A CN201110443675 A CN 201110443675A CN 103188349 A CN103188349 A CN 103188349A
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- Prior art keywords
- com interface
- signal
- circuit
- built
- com
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Abstract
The invention discloses a COM (Component Object Model) interface equipment adaptor which comprises a first adaptor circuit, a second adaptor circuit, a switch unit and a COM interface, wherein a digital/analog converter converts a COM interface signal to a first carrier signal when the first adaptor circuit is connected with the COM interface by the switch unit; the first carrier signal is coupled with an alternating voltage signal by a first coupler, and then transmitted by an alternating current power line; and when the second adaptor circuit is selected to be connected with the COM interface, a second carrier signal is separated from an alternating voltage signal coupled with the second carrier signal by a second coupler, converted to the COM interface signal by an analog/digital converter, and then output to the COM interface. With the adoption of the COM interface equipment adaptor and the alternating current power line, mutual data transmission can be achieved, and the COM interface equipment adaptor is convenient and quick.
Description
Technical field
The present invention relates to a kind of com interface device adapter.
Background technology
At present, a lot of equipment such as server all can keep com interface and come conveniently to carry out transfer of data with another equipment with com interface.But, in the time the equipment with com interface in the server in first room and second room need being carried out transfer of data by com interface, must be with the equipment dislocation with com interface in this second room in this first room, and the com interface of this equipment directly is connected with the com interface of server or by long cable with the equipment that has com interface in second room with can carry out transfer of data after server is connected, like this, cause inconvenience to the user.
Summary of the invention
In view of above content, be necessary to provide a kind of com interface device adapter, transmit data to make things convenient between the com interface equipment.
A kind of com interface device adapter, comprise an ac power plug, one com interface, one first built-up circuit, one second built-up circuit and a switch element, this ac power plug is used for grafting one AC Power supply socket and receives ac voltage signal, this com interface is used for the com interface equipment of pegging graft and receives the com interface signal, this switch element is connected between this first and second built-up circuit so that this first and second built-up circuit is switched and this first built-up circuit is connected maybe with this com interface this second built-up circuit is connected with this com interface, this first built-up circuit comprises a digital/analog converter and one first coupler, this second built-up circuit comprises an analog/digital converter and one second coupler, this first digital/analog converter is connected to this switch element and this first coupler, this first coupler also is connected on this ac power plug, this analog/digital converter is connected to this switch element and this second coupler, this second coupler also is connected on this ac power plug, when this switch element is connected to this com interface with this first built-up circuit, this first digital/analog converter receives this com interface equipment by the com interface signal of com interface output, and this com interface signal is converted to a first carrier signal, this first coupler is coupled to this first carrier signal on the ac voltage signal that receives from this ac power plug, and will be coupled with by this AC Power supply socket on the alternating current transmission line that ac voltage signal transfers to this AC Power supply socket is connected of this first carrier signal, when this switch element is connected to this com interface with this second built-up circuit, this second coupler receives from the ac voltage signal that is coupled with one second carrier signal on this AC power line, and the ac voltage signal that is coupled with this second carrier signal separated to isolate this second carrier signal, this analog/digital converter converts this second carrier signal to the com interface signal, and exports this com interface signal to this com interface equipment by com interface.
The switching selectivity ground of com interface device adapter of the present invention by its switch element is connected to this com interface with this first built-up circuit and maybe this second built-up circuit is connected to this com interface.When selection is connected this first built-up circuit with this com interface, this digital/analog converter is converted to the first carrier signal with this com interface signal, and transmits by this alternating current transmission line after by this first coupler this first carrier signal being coupled to this ac voltage signal.When selecting this second built-up circuit to be connected with this com interface, this second coupler is isolated this second carrier signal with the ac voltage signal that is coupled with second carrier signal in this alternating current transmission line, and export this com interface to after by this analog/digital converter this second carrier signal being converted to this com interface signal, so, be positioned over not the com interface equipment of chummery and can realize mutual transfer of data by this com interface device adapter and this AC power cord, and need not mobile com interface equipment interface, convenient and swift.
Description of drawings
The invention will be further described in conjunction with embodiment with reference to the accompanying drawings.
Fig. 1 is the schematic diagram of the preferred embodiments of com interface device adapter of the present invention.
Fig. 2 is the block diagram of com interface device adapter among Fig. 1.
Fig. 3 is the block diagram of the voltage conversion circuit in the com interface device adapter of the present invention.
Fig. 4 is the block diagram under the com interface device adapter use state of the present invention.
Fig. 5 is the block diagram of the part of the signal converting under the com interface device adapter use state of the present invention.
The main element symbol description
| |
10 |
| |
20 |
| Com |
30 |
| First built-up |
40 |
| The |
41 |
| Digital/ |
42 |
| |
43 |
| First alternating |
44 |
| Second built-up |
50 |
| The decompress(ion) |
51 |
| Analog/ |
52 |
| |
53 |
| Second alternating |
54 |
| |
60 |
| AC |
70 |
| First AC |
71 |
| Second AC |
72 |
| Com |
80 |
| The first |
81 |
| The second |
82 |
| Alternating |
90 |
| The com |
100 |
| The first com |
101 |
| The second com |
102 |
| |
200 |
| The 3rd alternating |
210 |
| AC/ |
220 |
| Reducing |
230 |
| |
240 |
| |
300 |
| |
400 |
Following embodiment will further specify the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
See also Fig. 1-3, the preferred embodiments of com interface device adapter 100 of the present invention comprises a housing 10, an ac power plug 20, a com interface 30, one first built-up circuit 40, one second built-up circuit 50, a switch element 60 and a voltage conversion circuit 200.This ac power plug 20 is arranged on this housing 10, in order to the AC Power supply socket 70 of pegging graft.This com interface 30 is arranged on this housing 10, in order to connect a com interface equipment 80.This switch element 60 be connected this first, second built-up circuit 40 and 50 and com interface 30 between, make this first built-up circuit 40 be connected to this com interface 30 or make this second built-up circuit 50 be connected to this com interface 30 so that this first and second built-up circuit 40 and 50 is switched.When the com interface equipment 80 that is connected with this com interface device adapter 100 during as the transmission end, switch this switch element 60 this first built-up circuit 40 is connected with this com interface 30.When the com interface equipment 80 that is connected with this com interface device adapter 100 during as receiving terminal, switch this switch element 60 this second built-up circuit 50 is connected with this com interface 30.In the present embodiment, this switch element 60 is a manual switch.
This first built-up circuit 40 comprises a compression control chip 41, a digital/analog converter 42, one first coupler 43 and one first alternating current filter 44.This second built-up circuit 50 comprises a decompress(ion) control chip 51, an analog/digital converter 52, one second coupler 53 and one second alternating current filter 54.
This compression control chip 41 is connected to this switch element 60.This digital/analog converter 42 is connected between this compression control chip 41 and this first coupler 43.This first coupler 43 also is connected to this ac power plug 20 by this first alternating current filter 44.This ac power plug 20 also connects this second coupler 53 by this second alternating current filter 54.This analog/digital converter 52 is connected between this second coupler 53 and this decompress(ion) control chip 51.This decompress(ion) control chip 51 also is connected to this switch element 60.
This voltage conversion circuit 200 comprises one the 3rd alternating current filter 210, an AC/DC converter 220, a reducing transformer 230 and a direct current filter 240.The 3rd alternating current filter 210 is connected to this ac power plug 20 and receives this ac voltage signal, and this AC power is carried out filtering.This AC/DC converter 220 is connected between the 3rd alternating current filter 210 and this reducing transformer 230, ac supply signal being converted to a direct current voltage signal, and exports this d. c. voltage signal to this reducing transformer 230.This DC filter 240 is connected between this reducing transformer 230 and this com interface 30 this d. c. voltage signal is carried out export the d. c. voltage signal after this step-down to this com interface 30 after the filtering, to provide operating voltage to the com interface equipment 80 that is connected to this com interface 30.
Please refer to Fig. 4 and 5, the existing operation principle that specifies this com interface device adapter 100 by an example.Now need to utilize this alternating current transmission line 90 to make the second interior com interface equipment 82 of the first com interface equipment 81 and one second room 400 in one first room 300 carry out communication.A com interface device adapter is pegged graft in first AC Power supply socket 71 in this first room 300, and another com interface device adapter is pegged graft in second AC Power supply socket 72 in this second room 400.For ease of explanation, in Fig. 4, as the first com interface device adapter, and label is 101 with the com interface device adapter in this first room 300, as one second com interface device adapter, and label is 102 with the com interface device adapter in this second room 400.But internal structure and the function of this first and second com interface device adapter 101,102 internal structure and function and above-mentioned com interface device adapter 100 are identical.
When needs make this first com interface equipment 81 to these second com interface equipment, 82 transmission data, this first com interface equipment 81 is plugged in the com interface 30 of this first com interface device adapter 101, and this second com interface equipment 82 is plugged in the com interface 30 of this second com interface device adapter 102.Make this first com interface equipment 81 as the transmission end by the switch element 60 that switches this first com interface device adapter 101.Make this second com interface equipment 82 as receiving terminal by the switch element 60 that switches in this second com interface device adapter 102.
During work, these first com interface equipment, 81 output com interface signals transfer to this digital/analog converter 42 to the com interface 30 of this first com interface device adapter 101 after 41 pairs of these com interface signals of the compression control chip in this first com interface device adapter 101 compress package.This digital/analog converter 42 transfers to this first coupler 43 after converting this com interface Signal Compression package to a carrier signal.This first coupler 43 is coupled to this carrier signal on the ac voltage signal that receives from this first AC Power supply socket 71, and is undertaken exporting on this alternating current transmission line 90 by this ac power plug 20 after the filtering by 44 pairs of these ac voltage signals that are coupled with carrier signal of this first alternating current filter.
The ac voltage signal that this alternating current transmission line 90 will be coupled with carrier signal transfers to this second alternating current filter 54 by the ac power plug 20 that is connected with this second AC Power supply socket 72 and filters.After obtaining this carrier signal after the ac voltage signal that is coupled with carrier signal after second coupler 53 in this second com interface device adapter 102 will filter separates, and this carrier signal transferred to its analog/digital converter 52.This analog/digital converter 52 converts behind the com interface Signal Compression package with this com interface Signal Compression package transmission this carrier signal to corresponding decompress(ion) control chip 51 to.The com interface Signal Compression package that 51 pairs of this decompress(ion) control chips receive carries out obtaining this com interface signal behind the decompress(ion), and this com interface signal is exported in this second com interface equipment 82 by its switch element 60 and com interface 30.
In other embodiments, this compression control chip 41, this decompress(ion) control chip 51, this first to the 3rd alternating current filter 44,54,210 and this DC filter 240 owing to only play the effect of filtering so all can omit.This switch element 60 also can be automatic control switch, then when this com interface 30 receives the com interface signal this first built-up circuit 40 is connected to this com interface 30 and makes the com interface equipment 80 that is connected with this com interface device adapter 100 as the transmission end when this automatic control switch recognizes.Then this second built-up circuit 50 is connected to this com interface 30 when receiving the com interface signal to this com interface 30 and makes the com interface equipment 80 that is connected with this com interface device adapter 100 as receiving terminal when this automatic control switch is unidentified.When this com interface equipment 80 had external operating voltage to provide, the voltage conversion circuit 200 in this com interface device adapter also can omit.
The com interface equipment 80 that the switching selectivity ground of com interface device adapter 100 of the present invention by its switch element 60 will be connected with this com interface device adapter 100 is as transmission end or receiving terminal.When the com interface equipment of selecting to be connected with this com interface device adapter 100 80 during as the transmission end, this com interface device adapter 100 is converted to carrier signal by its digital/analog converter 42 with the com interface signal of this com interface equipment 80 outputs, and transmits by this alternating current transmission line 90 after by this first coupler 43 this carrier signal being coupled to this ac voltage signal.When the com interface equipment of selecting to be connected with this com interface device adapter 100 80 during as receiving terminal, this com interface device adapter 100 is isolated this carrier signal by its second coupler 53 with the ac voltage signal that is coupled with carrier signal in this alternating current transmission line 90, and exports this com interface 30 to after by this analog/digital converter 52 this carrier signal being converted to this com interface signal.So, can realize communication between the com interface equipment by this com interface device adapter 100 and this alternating current transmission line 90, convenient and swift.
Claims (7)
1. com interface device adapter, comprise an ac power plug, one com interface, one first built-up circuit, one second built-up circuit and a switch element, this ac power plug is used for grafting one AC Power supply socket and receives ac voltage signal, this com interface is used for the com interface equipment of pegging graft and receives the com interface signal, this switch element is connected between this first and second built-up circuit so that this first and second built-up circuit is switched and this first built-up circuit is connected maybe with this com interface this second built-up circuit is connected with this com interface, this first built-up circuit comprises a digital/analog converter and one first coupler, this second built-up circuit comprises an analog/digital converter and one second coupler, this first digital/analog converter is connected to this switch element and this first coupler, this first coupler also is connected on this ac power plug, this analog/digital converter is connected to this switch element and this second coupler, this second coupler also is connected on this ac power plug, when this switch element is connected to this com interface with this first built-up circuit, this first digital/analog converter receives this com interface equipment by the com interface signal of com interface output, and this com interface signal is converted to a first carrier signal, this first coupler is coupled to this first carrier signal on the ac voltage signal that receives from this ac power plug, and will be coupled with by this AC Power supply socket on the alternating current transmission line that ac voltage signal transfers to this AC Power supply socket is connected of this first carrier signal, when this switch element is connected to this com interface with this second built-up circuit, this second coupler receives from the ac voltage signal that is coupled with one second carrier signal on this AC power line, and the ac voltage signal that is coupled with this second carrier signal separated to isolate this second carrier signal, this analog/digital converter converts this second carrier signal to the com interface signal, and exports this com interface signal to this com interface equipment by com interface.
2. com interface device adapter as claimed in claim 1, it is characterized in that: this first built-up circuit also comprises a compression control chip, and this compression control chip is connected between this switch element and this digital/analog converter and exports this digital/analog converter to after the com interface signal that receives is compressed package; This second built-up circuit comprises a decompress(ion) control chip, this decompress(ion) control chip is connected between this switch element and this analog/digital converter with this com interface signal that the com interface Signal Compression package that receives is decompressed to decompress out, and by this switch element this com interface signal is transferred to this com interface.
3. com interface device adapter as claimed in claim 1, it is characterized in that: this first built-up circuit also comprises an alternating current filter, and this alternating current filter is connected between this first coupler and this ac power plug so that the ac voltage signal that is coupled with this first carrier signal that exports in this alternating current transmission line is carried out filtering.
4. com interface device adapter as claimed in claim 1, it is characterized in that: this second built-up circuit also comprises an alternating current filter, this alternating current filter is connected between this ac power plug and this second coupler, so that the ac voltage signal that is coupled with this second carrier signal by this ac power plug input is carried out filtering.
5. com interface device adapter as claimed in claim 1, it is characterized in that: this switch element is a manual switch.
6. com interface device adapter as claimed in claim 1, it is characterized in that: this switch element is an automatic control switch, when this automatic control switch recognizes this com interface com interface signal when output arranged, this automatic control switch is connected to this com interface with this first built-up circuit; To this com interface com interface signal when output arranged when this automatic control switch is unidentified, this automatic control switch is connected to this com interface with this second built-up circuit.
7. com interface device adapter as claimed in claim 1, it is characterized in that: this com interface device adapter also comprises a voltage conversion circuit, wherein this voltage conversion circuit comprises an AC/DC converter and a reducing transformer, this AC/DC converter is connected between this ac power plug and this reducing transformer to receive this ac voltage signal, and exporting this reducing transformer to after converting this ac voltage signal to a direct current voltage signal, this reducing transformer also is connected to this com interface to export the d. c. voltage signal after this step-down to this com interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110443675 CN103188349A (en) | 2011-12-27 | 2011-12-27 | COM interface equipment adaptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110443675 CN103188349A (en) | 2011-12-27 | 2011-12-27 | COM interface equipment adaptor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103188349A true CN103188349A (en) | 2013-07-03 |
Family
ID=48679311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110443675 Pending CN103188349A (en) | 2011-12-27 | 2011-12-27 | COM interface equipment adaptor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103188349A (en) |
-
2011
- 2011-12-27 CN CN 201110443675 patent/CN103188349A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130703 |