CN103187974A - Monitoring equipment adapter - Google Patents
Monitoring equipment adapter Download PDFInfo
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- CN103187974A CN103187974A CN 201110444068 CN201110444068A CN103187974A CN 103187974 A CN103187974 A CN 103187974A CN 201110444068 CN201110444068 CN 201110444068 CN 201110444068 A CN201110444068 A CN 201110444068A CN 103187974 A CN103187974 A CN 103187974A
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- circuit
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- watch
- interface
- monitor
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Abstract
The invention discloses a monitoring equipment adapter which comprises a first adaptor circuit, a second adaptor circuit, a switch unit and a monitoring interface, wherein when the switch unit allows the first adaptor circuit to be connected with the monitoring interface, a digital/analog converter converts a monitoring signal to a first carrier signal; the first carrier signal is coupled to an alternating voltage signal by a first coupler, and then transmitted through an alternating current power line; and when the second adaptor circuit is selected to be connected with the monitoring 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 monitoring signal by an analog/digital converter, and then output to the monitoring interface. With the adoption of the monitoring equipment adapter and the alternating current power line, data transmission between a monitoring host and a monitor can be realized, an outside line is not required to be additionally adopted, and the monitoring equipment adapter is convenient and quick.
Description
Technical field
The present invention relates to a kind of watch-dog adapter.
Background technology
Usually, in supervisory control system, monitoring host computer need be connected to realize communication between monitoring host computer and this watch-dog by a lot of circuits with watch-dog, so the watch-dog that watch-dog of every increase all need be set up outside line will be increased is connected to this monitoring host computer, thus to the user make troubles and circuit messy.
Summary of the invention
In view of above content, be necessary to provide a kind of watch-dog adapter, be connected fast and communication to make things convenient between watch-dog and the monitoring host computer.
A kind of watch-dog adapter, comprise an ac power plug, one monitor-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 monitor-interface is used for the watch-dog machine of pegging graft or a monitoring host computer, 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 monitor-interface this second built-up circuit is connected with this monitor-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 monitor-interface with this first built-up circuit, this first digital/analog converter receives the pilot signal of this watch-dog output, and this pilot 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 monitor-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 pilot signal, and exports this pilot signal to this monitoring host computer by monitor-interface.
The switching selectivity ground of watch-dog adapter of the present invention by its switch element is connected to this monitor-interface with this first built-up circuit and maybe this second built-up circuit is connected to this monitor-interface.When selection is connected this first built-up circuit with this monitor-interface, this digital/analog converter is converted to the first carrier signal with this pilot 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 monitor-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 monitor-interface to after by this analog/digital converter this second carrier signal being converted to this pilot signal, so, can realize transfer of data between monitoring host computer and the watch-dog by this watch-dog adapter and this AC power cord, and need not to set up outside line, 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 watch-dog adapter of the present invention.
Fig. 2 is the block diagram of watch-dog adapter among Fig. 1.
Fig. 3 is the block diagram of the voltage conversion circuit in the watch-dog adapter of the present invention.
Fig. 4 is the block diagram under the watch-dog adapter use state of the present invention.
Fig. 5 is the block diagram of the part of the signal converting under the watch-dog adapter use state of the present invention.
The main element symbol description
| Housing | 10 |
| |
20 |
| Monitor- |
30 |
| First built- |
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 |
| Watch- |
80 |
| |
82 |
| Alternating |
90 |
| The watch- |
100 |
| The first watch- |
101 |
| The second watch- |
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 watch-dog adapter 100 of the present invention comprises a housing 10, an ac power plug 20, a monitor-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 monitor-interface 30 is arranged on this housing 10, in order to connect a watch-dog 80 or a monitoring host computer 82 (referring to Fig. 4).This switch element 60 be connected this first, second built-up circuit 40 and 50 and monitor-interface 30 between, make this first built-up circuit 40 be connected to this monitor-interface 30 or make this second built-up circuit 50 be connected to this monitor-interface 30 so that this first and second built-up circuit 40 and 50 is switched.When this watch-dog adapter 100 connected this watch-dog 80, this watch-dog adapter 100 at this moment, switched this switch element 60 so that this first built-up circuit 40 is connected with this monitor-interface 30 as the transmission end.When this watch-dog adapter 100 connected this monitoring host computer, this watch-dog adapter 100 at this moment, switched this switch element 60 so that this second built-up circuit 50 is connected with this monitor-interface 30 as receiving terminal.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 monitor-interface 30 this d. c. voltage signal is carried out export the d. c. voltage signal after this step-down to this monitor-interface 30 after the filtering, to provide operating voltage to the watch-dog 80 or the monitoring host computer that are connected to this monitor-interface 30.
Please refer to Fig. 4 and 5, the existing operation principle that specifies this watch-dog adapter 100 by an example.Now need to utilize this alternating current transmission line 90 to make the interior monitoring host computer 82 in watch-dog 80 and one second room 400 in one first room 300 carry out transfer of data.A watch-dog adapter is pegged graft in first AC Power supply socket 71 in this first room 300, and another watch-dog adapter is pegged graft into second AC Power supply socket 72 in this second room 400.For ease of explanation, in Fig. 4, as one first watch-dog adapter, and label is 101 with the watch-dog adapter in this first room 300, as one second watch-dog adapter, and label is 102 with the watch-dog adapter in this second room 400.But internal structure and the function of this first and second watch-dog adapter 101,102 internal structure and function and above-mentioned watch-dog adapter 100 are identical.
When needs make this monitoring host computer 82 and watch-dog 80 carry out transfer of data, this watch-dog 80 is plugged in the monitor-interface 30 of this first watch-dog adapter 101, this monitoring host computer 82 is plugged in the monitor-interface 30 of this second watch-dog adapter 102.Make this first watch-dog adapter 101 as the transmission end by the switch element 60 that switches this first watch-dog adapter 101.Make this second watch-dog adapter 102 as receiving terminal by the switch element 60 that switches in this second watch-dog adapter 102.
During work, this watch-dog 80 exports pilot signal the monitor-interface 30 of this first watch-dog adapter 101 to, transfers to this digital/analog converter 42 after 41 pairs of these pilot signals of compression control chip in this first watch-dog adapter 101 compress package.This digital/analog converter 42 transfers to this first coupler 43 after converting this pilot 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 filters by second alternating current filter 54 that the ac power plug 20 that is connected with this second AC Power supply socket 72 transfers to this second watch-dog adapter 102.After obtaining this carrier signal after the ac voltage signal that is coupled with carrier signal after second coupler 53 in this second watch-dog adapter 102 will filter separates, and this carrier signal transferred to its analog/digital converter 52.This analog/digital converter 52 compresses package transmission to corresponding decompress(ion) control chip 51 with this pilot signal after converting this carrier signal to pilot signal compression package.The pilot signal compression package that 51 pairs of this decompress(ion) control chips receive carries out obtaining this pilot signal behind the decompress(ion), and this pilot signal is exported in this monitoring host computer 82 by its switch element 60 and monitor-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 monitor-interface 30 receives pilot signal this first built-up circuit 40 is connected to this monitor-interface 30 and makes with this watch-dog adapter 100 as the transmission end when this automatic control switch recognizes.Then this second built-up circuit 50 is connected to this monitor-interface 30 when receiving pilot signal to this monitor-interface 30 and makes with this watch-dog adapter 100 as receiving terminal when this automatic control switch is unidentified.When this watch-dog 80 had external operating voltage to provide, the voltage conversion circuit 200 in this watch-dog adapter 100 also can omit.
The watch-dog adapter 100 that the switching selectivity ground of watch-dog adapter 100 of the present invention by its switch element 60 will link to each other with monitoring host computer 82 as receiving terminal, the watch-dog adapter 100 that links to each other with watch-dog 80 as the transmission end.When the watch-dog adapter of selecting to link to each other with watch-dog 80 100 during as the transmission end, this watch-dog adapter 100 is converted to carrier signal by its digital/analog converter 42 with the pilot signal of this watch-dog 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 watch-dog adapter of selecting to link to each other with monitoring host computer 82 100 during as receiving terminal, this watch-dog 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 monitor-interface 30 to after by this analog/digital converter 52 this carrier signal being converted to this pilot signal.So, can realize transfer of data between monitoring host computer 82 and the watch-dog 80 by this watch-dog adapter 100 and this alternating current transmission line 90, convenient and swift.
Claims (7)
1. watch-dog adapter, comprise an ac power plug, one monitor-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 monitor-interface is used for peg graft a watch-dog or a monitoring host computer, 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 monitor-interface this second built-up circuit is connected with this monitor-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 monitor-interface with this first built-up circuit, this first digital/analog converter receives the pilot signal of this watch-dog output, and this pilot 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 monitor-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 pilot signal, and exports this pilot signal to this monitoring host computer by monitor-interface.
2. watch-dog 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 pilot 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 pilot signal that the pilot signal compression package that receives is decompressed to decompress out, and by this switch element this pilot signal is transferred to this monitor-interface.
3. watch-dog 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. watch-dog 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. watch-dog adapter as claimed in claim 1, it is characterized in that: this switch element is a manual switch.
6. watch-dog 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 monitor-interface pilot signal when output arranged, this automatic control switch is connected to this monitor-interface with this first built-up circuit; To this monitor-interface pilot signal when output arranged when this automatic control switch is unidentified, this automatic control switch is connected to this monitor-interface with this second built-up circuit.
7. watch-dog adapter as claimed in claim 1, it is characterized in that: this watch-dog 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 monitor-interface to export the d. c. voltage signal after this step-down to this monitor-interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110444068 CN103187974A (en) | 2011-12-27 | 2011-12-27 | Monitoring equipment adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110444068 CN103187974A (en) | 2011-12-27 | 2011-12-27 | Monitoring equipment adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103187974A true CN103187974A (en) | 2013-07-03 |
Family
ID=48678958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110444068 Pending CN103187974A (en) | 2011-12-27 | 2011-12-27 | Monitoring equipment adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103187974A (en) |
-
2011
- 2011-12-27 CN CN 201110444068 patent/CN103187974A/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 |