CN2914496Y - Reversed polarity data transmitting device on DC power supply lines - Google Patents
Reversed polarity data transmitting device on DC power supply lines Download PDFInfo
- Publication number
- CN2914496Y CN2914496Y CN 200620103742 CN200620103742U CN2914496Y CN 2914496 Y CN2914496 Y CN 2914496Y CN 200620103742 CN200620103742 CN 200620103742 CN 200620103742 U CN200620103742 U CN 200620103742U CN 2914496 Y CN2914496 Y CN 2914496Y
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- Prior art keywords
- data
- switch
- data transmission
- power supply
- direct current
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- Expired - Fee Related
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Abstract
The utility model discloses a reverse polarity data transmission device on DC power supply circuit. The reverse polarity data transmission device comprises a data transmission end (1) and a data receiving end (2) in wired connection. The data transmission end includes a singlechip (13), and a forward power supply switch (11) and a reverse data switch (14) controlled by the singlechip (13). The data receiving end (2) comprises a switch power supply (22), a singlechip (21), and two diodes (23, 24) for separating power supply voltage and data signal voltage. The utility model has the advantage that the data signal and power voltage of the device are outputted in reverse polarity so as to obviate the specific requirement for power supply and reduce corresponding voltage stabilizing equipment, resulting in simplified structure and lowered cost.
Description
Technical field
The utility model relates to data transmission device, particularly the reversed polarity data transmission device on the direct current supply line.
Background technology
In same direct current supply line, should transmit power supply, data signal again, traditional method is to adopt high frequency carrier or DC pulse modulation, it all is same polarity that the transfer of data of these two kinds of schemes and power supply transmit, guarantee the accuracy of transfer of data, adopt the transmitting device cost of high frequency carrier too high, adopt pulse modulated device to need the galvanic current source, powerful stabilized voltage power supply cost will be very high under the heavier situation of load, up to now, cost is low, simple in structure, can realize that same the reversed polarity data transmission device on the direct current supply line do not occur.
The utility model content
The utility model is to overcome above-mentioned weak point, reversed polarity on a kind of direct current supply line data transmission device is provided, by be provided with a reverse data switch at the data transmission end, in same loop, alternately produce the voltage signal output of two kinds of polarity by Single-chip Controlling, therefore data-signal and the transmission of supply power voltage reversed polarity do not have specific (special) requirements to power supply, can reduce corresponding pressure stabilizing device, not only simplify the structure, and reduced cost.
The utility model is to achieve the above object by the following technical programs: the reversed polarity data transmission device on the direct current supply line, the data transmission end and the data receiver that comprise wired connection, described data transmission end comprise single-chip microcomputer 13, are subjected to the forward power switch and the reverse data switch of single-chip microcomputer 13 controls; Described data receiver comprises the diode of Switching Power Supply, single-chip microcomputer, separation supply power voltage and voltage data signal; The external forward dc voltage of forward power switch, the external reverse direct current of reverse data switch, single-chip microcomputer 13 is alternately controlled forward power switch and reverse data switch at times, in same loop, alternately produce the voltage signal of two kinds of polarity, export data receiver to, the voltage signal of two kinds of polarity separates through diode, and single-chip microcomputer 21 is accepted voltage data signal, the work of control load.
As preferably, the reversed polarity data transmission device on the direct current supply line also comprises a data storage chip, and pin-saving chip 12 links to each other with single-chip microcomputer 13.
As preferably, described forward power switch 11 is made of triode Q1 and optoelectronic switch P1 parallel connection.
As preferably, described reverse data switch 14 is made of triode Q2 and triode Q3 series connection.
The beneficial effects of the utility model: 1) data-signal of this device and supply power voltage reversed polarity transmission, therefore power supply there is not specific (special) requirements, can reduce corresponding pressure stabilizing device, not only simplify the structure, and reduced cost.2) data-signal and supply power voltage reversed polarity transmission, not only the transfer of data antijamming capability is strong, and can realize high-power feed.
Description of drawings
Fig. 1 is the circuit theory diagrams of the reversed polarity data transmission device on the direct current supply line in the present embodiment 1;
Fig. 2 is the circuit diagram of the reversed polarity data transmission device on the direct current supply line in the present embodiment 1.
Embodiment
The utility model is further elaborated by embodiment below in conjunction with accompanying drawing:
Embodiment 1: as shown in Figure 1, 2, reversed polarity data transmission device on the direct current supply line, the data transmission end 1 and the data receiver 2 that comprise wired connection, described data transmission end 1 comprise single-chip microcomputer 13, are subjected to the forward power switch 11 and the reverse data switch 14 of single-chip microcomputer 13 controls; Described data receiver 2 comprises Switching Power Supply 22, single-chip microcomputer 21, separates the diode 23,24 of supply power voltage and voltage data signal; Described Switching Power Supply is the DC/DC Switching Power Supply that has storage capacitor; Described forward power switch 11 is made of triode Q1 and optoelectronic switch P1 parallel connection.Described reverse data switch 14 is made of triode Q2 and triode Q3 series connection.
After AC20V-220V passes through D1, D2, D3, D4 rectification, form pulsation forward dc voltage, receiving terminal passes through D21, Switching Power Supply work, and the storage capacitor store charge provides the single-chip microcomputer working power; Simultaneously, transmitting terminal passes through R1, after the R2 dividing potential drop, a synchronizing signal is provided for single-chip microcomputer 13, when the pulsating direct current zero crossing, single-chip microcomputer 13 optical coupled switch P1 stopcock Q1, with the Management Information Base data that are stored in the single-chip microcomputer 12, pass through Q2, Q3 connects-the 24V power supply in the mode of pulse, reverse data message to occur in the circuit this moment, the forward power supply by D21 electrical power storage in the capacitor of Switching Power Supply 22, the voltage signal of two kinds of polarity is through diode D21, D22 separates, and the reverse data signal will pass through D22, R21 transfers to single-chip microcomputer 21, and single-chip microcomputer 21 is according to the work of command signal control load.
With electric loading can be one or several, and the receiving terminal working power can also can directly be taken by supplying with after the Switching Power Supply step-down.For power supply is that synchronizing signal is preferably got in pulsating direct current, for filtered direct current or voltage stabilizing direct current, does not just get synchronizing signal.
Claims (5)
1, the reversed polarity data transmission device on the direct current supply line, the data transmission end (1) and the data receiver (2) that comprise wired connection is characterized in that forward power switch (11) and reverse data switch (14) that described data transmission end comprises single-chip microcomputer (13), controlled by single-chip microcomputer (13); Described data receiver (2) comprises diode (23), (24) of Switching Power Supply (22), single-chip microcomputer (21), separation supply power voltage and voltage data signal; The external forward dc of forward power switch (11), the external reverse direct current of reverse data switch (14), single-chip microcomputer (13) is alternately controlled forward power switch and reverse data switch at times, in same loop, alternately produce the voltage signal of two kinds of polarity, export data receiver (2) to, the voltage signal of two kinds of polarity separates through diode (23), (24), and single-chip microcomputer (21) is accepted voltage data signal, the work of control load.
2, the reversed polarity data transmission device on the direct current supply line according to claim 1 is characterized in that, also comprises a data storage chip (12), and pin-saving chip (12) is subjected to single-chip microcomputer (13) control.
3, the reversed polarity data transmission device on the direct current supply line according to claim 1 and 2 is characterized in that, described Switching Power Supply (22) is for having the DC/DC Switching Power Supply of storage capacitor.
4, the reversed polarity data transmission device on the direct current supply line according to claim 1 and 2 is characterized in that, described forward power switch (11) is made of triode Q1 and optoelectronic switch P1 parallel connection.
5, the reversed polarity data transmission device on the direct current supply line according to claim 1 and 2 is characterized in that, described reverse data switch (14) is made of triode Q2 and triode Q3 series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103742 CN2914496Y (en) | 2006-05-18 | 2006-05-18 | Reversed polarity data transmitting device on DC power supply lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103742 CN2914496Y (en) | 2006-05-18 | 2006-05-18 | Reversed polarity data transmitting device on DC power supply lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2914496Y true CN2914496Y (en) | 2007-06-20 |
Family
ID=38169091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620103742 Expired - Fee Related CN2914496Y (en) | 2006-05-18 | 2006-05-18 | Reversed polarity data transmitting device on DC power supply lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2914496Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299399A (en) * | 2014-09-23 | 2015-01-21 | 张沙圣 | Wired self-powered digital communication system and method thereof |
| CN105407590A (en) * | 2014-09-08 | 2016-03-16 | 施耐德电器工业公司 | Device For Transmitting An Electrical Parametrization Signal To A Drive Member Of A Light-emitting Diode Based Lighting Module, Associated Power Supply System, Lighting Assembly And Method Of Transmission |
| CN110555985A (en) * | 2019-08-30 | 2019-12-10 | 深圳市中孚能电气设备有限公司 | Data transmission method, device, equipment and storage medium |
-
2006
- 2006-05-18 CN CN 200620103742 patent/CN2914496Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105407590A (en) * | 2014-09-08 | 2016-03-16 | 施耐德电器工业公司 | Device For Transmitting An Electrical Parametrization Signal To A Drive Member Of A Light-emitting Diode Based Lighting Module, Associated Power Supply System, Lighting Assembly And Method Of Transmission |
| CN105407590B (en) * | 2014-09-08 | 2019-04-19 | 施耐德电器工业公司 | Parameterize electric signal transmission device, power supply system, light fixture and transfer approach |
| CN104299399A (en) * | 2014-09-23 | 2015-01-21 | 张沙圣 | Wired self-powered digital communication system and method thereof |
| CN104299399B (en) * | 2014-09-23 | 2017-09-26 | 张沙圣 | A kind of wired self-power digital communication system and its method |
| CN110555985A (en) * | 2019-08-30 | 2019-12-10 | 深圳市中孚能电气设备有限公司 | Data transmission method, device, equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070620 |