CN2817222Y - Double wire stepless communication circuit - Google Patents
Double wire stepless communication circuit Download PDFInfo
- Publication number
- CN2817222Y CN2817222Y CN 200520012877 CN200520012877U CN2817222Y CN 2817222 Y CN2817222 Y CN 2817222Y CN 200520012877 CN200520012877 CN 200520012877 CN 200520012877 U CN200520012877 U CN 200520012877U CN 2817222 Y CN2817222 Y CN 2817222Y
- Authority
- CN
- China
- Prior art keywords
- control machine
- line control
- machine end
- interface
- host side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a double wire stepless communication circuit, which is composed of a host machine end circuit and a wire controller end circuit. The utility model has the structural characteristics that the host machine end circuit comprises host machine end signal acquisition, a host machine end power supply, signal sending, host machine end smoothing and a host machine end interface. The wire controller end circuit comprises wire controller smoothing, wire controller end rectification, a wire controller end power supply, wire controller end signal sending, wire controller end signal acquisition and a wire controller end interface, and the host machine end interface and the wire controller end interface are double wire interfaces. The utility model adopts a way that two conducting wires realize the double wire communication between the host machine and the wire controller, the two conducting wires not only transmit operating voltage as power cords, but also transmit control signal as signal wires, and the utility model can work normally under the condition of interface wires with reverse connection. The utility model has reasonable structure, low cost and safety.
Description
Technical field:
The utility model relates to a kind of communicating circuit, the electrodeless communicating circuit of particularly a kind of two-wire, the electric product that is mainly used in that the household electrical appliance of certain distance (1-40 rice) are arranged between main frame and the line control machine or same control mode is arranged.
Background technology:
The two kinds of modes of employing usually that are connected of present household electrical appliance and line control machine: first kind of mode is to use four leads, and wherein two leads provide power supply, and two leads are used for the signal transmission in addition; The second way is to use three leads, and main frame and line control machine use power supply separately, and wherein a lead is used for connecting commonly, and two leads are used for communication in addition.Under first kind of connected mode situation, it is more that line control machine connects lead, the corresponding raising of lead cost when distance between main frame and the line control machine is big, and mobility is poor.Under second kind of connected mode situation, must offer the line control machine operating voltage by civil power, the mobility of line control machine is poorer like this, the also corresponding raising of power supply cost.
Summary of the invention:
Technical problem to be solved in the utility model provides a kind of electrodeless communicating circuit of two-wire of low cost and high reliability.
The technical scheme that the utility model solves this technical problem is: the electrodeless communicating circuit of a kind of two-wire, form by host side circuit and line control machine terminal circuit two parts, its architectural feature is that the host side circuit comprises host side signals collecting, host side power supply and signal transmission, host side filtering, host side interface, the line control machine terminal circuit comprises that the filtering of line control machine end, the rectification of line control machine end, line control machine end power supply, line control machine end signal send, the line control machine end signal is gathered, the line control machine end interface, and host side interface and line control machine end interface are two-wire interface.
The utility model adopts two leads not only to transmit operating voltage but also realized two-wire communication between main frame and the line control machine as the mode that holding wire transmits control signal as power line, and under the situation of interface line reversal connection, can work as usual, rational in infrastructure, cost is low, safe and reliable.
Description of drawings:
Fig. 1 is the circuit diagram of the utility model host side circuit.
Fig. 2 is the circuit diagram of the utility model line control machine terminal circuit.
Fig. 3 is the schematic diagram of first kind of execution mode of the utility model.
Embodiment:
Referring to Fig. 1, Fig. 2, the utility model is made up of host side circuit I and line control machine terminal circuit II two parts, the host side circuit I comprises host side signals collecting 1, host side power supply and signal transmission 2, host side filtering 3, host side interface 4, line control machine terminal circuit II comprises line control machine end filtering 5, line control machine end rectification 6, line control machine end power supply 7, line control machine end signal transmission 8, line control machine end signal collection 9, line control machine end interface 10, and host side interface 4 is a two-wire interface with line control machine end interface 10.
Host side signals collecting 1 comprises resistance R
105, resistance R
106, resistance R
107, resistance R
108, diode D
102, diode D
103, voltage stabilizing didoe ZD
101, voltage stabilizing didoe ZD
102, voltage stabilizing didoe ZD
103, capacitor C
103, capacitor C
104, triode DQ
102, triode DQ
103, triode DQ
104, host side power supply and signal send 2 and comprise resistance R
101, resistance R
102, resistance R
103, resistance R
104, diode D
101, electrochemical capacitor E
101, triode DQ
101, MOS triode MOS
101, host side filtering 3 comprises capacitor C
101, capacitor C
102, inductance L
101
Line control machine end filtering 5 comprises capacitor C
201, capacitor C
202, inductance L
201, inductance L
202, line control machine end rectification 6 comprises diode D
201, diode D
202, diode D
203, diode D
204, capacitor C
203, line control machine end power supply 7 comprises diode D
205, capacitor C
204, capacitor C
205, electrochemical capacitor E
201, electrochemical capacitor E
202, regulator block V
201, the line control machine end signal sends 8 and comprises triode DQ
201, triode DQ
202, triode DQ
203, diode D
206, diode D
207, voltage stabilizing didoe ZD
201, resistance R
201, resistance R
202, line control machine end signal collection 9 comprises resistance R
203, resistance R
204, resistance R
205, capacitor C
206, capacitor C
207, triode DQ
204, triode DQ
205
The utility model when concrete the application usually and the use that combines of the other parts of main frame, line control machine, referring to Fig. 3.
First kind of execution mode of the utility model:
Host side interface 4 and the 10 corresponding wiring of line control machine end interface, promptly host side interface pin 4-1 meets line control machine end interface pin 10-1; Host side interface pin 4-2 meets line control machine end interface pin 10-2.
When main frame sent a signal to line control machine, main frame output signal A sent 2 triode DQ through host side power supply and signal
101Amplification, be sent to MOS triode MOS
101Thereby, open or turn-off MOS triode MOS
101, power supply VCC like this
1Pass through MOS triode MOS as voltage signal
101Pass through host side filtering 3 again, arrive host side interface pin 4-2, and offer the line control machine end interface pin 10-2 of line control machine terminal circuit II by lead, through line control machine end filtering 5 and line control machine end rectification 6, one road voltage signal is by the diode D of line control machine end power supply 7 at this moment
205Give electrochemical capacitor E
201Give regulator block V behind the flat ripple
201Thereby, producing supply voltage VCC and VSS, another road voltage signal is gathered 9 resistance R by the line control machine end signal
204, R
203Control triode DQ after the dividing potential drop
204, pass through triode DQ again
205, resistance R
205, capacitor C
207Processing, form line control machine input signal D.
When line control machine sent a signal to main frame, line control machine output signal C was through the triode DQ of line control machine terminal circuit II
201, triode DQ
202, triode DQ
203Processing, force D
207The N utmost point draw and be low level, and D
206The P utmost point then be high level, this high level voltage signal is sent on the host side interface pin 4-2 by line control machine end filtering 5, line control machine end interface pin 10-2, passes through host side filtering 3 again, arrives the resistance R of host side signals collecting 1
105, voltage-stabiliser tube ZD
102, voltage-stabiliser tube ZD
103, control triode DQ then
102Conducting, and corresponding turn-on transistor DQ
103, triode DQ
104Thereby, form main frame input signal B.
Second kind of execution mode of the utility model:
Host side interface 4 and line control machine end interface 10 reverse wirings (change poles), promptly host side interface pin 4-1 meets line control machine end interface pin 10-2; Host side interface pin 4-2 meets line control machine end interface pin 10-1.
When main frame sends a signal to line control machine, this moment, main frame output signal A was through after arriving host side interface pin 4-2 with the same mode of first kind of execution mode, be sent to the line control machine end interface pin 10-1 of line control machine terminal circuit II, this signal is through line control machine end filtering 5 and line control machine end rectification 6, at the diode D of line control machine end power supply 7
205Resistance R with line control machine end signal collection 9
204Same end produce same voltage signal, make communication in the same old way after the change poles.
When line control machine sent a signal to main frame, this moment, line control machine output signal C forced D
207The N utmost point draw and be low level, this low level voltage signal is sent on the host side interface pin 4-2 by line control machine end filtering 5, line control machine end interface pin 10-1, passes through host side filtering 3 again, arrives the resistance R of host side signals collecting 1
105, this low level voltage signal is by diode D
102With voltage stabilizing didoe ZD
101Control triode DQ
103Work is (because the ground voltage of main frame is higher than this low level voltage signal at this moment, so triode DQ
203Can be with signal work, not conducting of high level, low level conducting), thereby by triode DQ
204The final main frame input signal B that forms.
VCC in the utility model, VCC
1From host power supply, VCC is+5V VCC usually
1For+12V～+ 18V, VCC is+5V in an embodiment, VCC
1For+18V, regulator block V
201Be 7905, VCC
2Be 0V, VSS
2For-5V, GND is-11V.
Line control machine in the utility model can be various On-line Control devices, and host side circuit I and line control machine terminal circuit II can be made in respectively in host circuit board and the line control machine circuit board, also can make a circuit board respectively separately.Various distortion in the utility model all should be thought within protection range of the present utility model.
The utility model adopts two leads not only to transmit operating voltage but also realized two-wire communication between main frame and the line control machine as the mode that holding wire transmits control signal as power line, and under the situation of interface line reversal connection, can work as usual, rational in infrastructure, cost is low, safe and reliable.
Claims (1)
1, the electrodeless communicating circuit of a kind of two-wire, form by host side circuit and line control machine terminal circuit two parts, it is characterized in that: described host side circuit comprises host side signals collecting, host side power supply and signal transmission, host side filtering, host side interface, described line control machine terminal circuit comprises that the filtering of line control machine end, the rectification of line control machine end, line control machine end power supply, line control machine end signal send, the line control machine end signal is gathered, the line control machine end interface, and host side interface and line control machine end interface are two-wire interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520012877 CN2817222Y (en) | 2005-06-28 | 2005-06-28 | Double wire stepless communication circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520012877 CN2817222Y (en) | 2005-06-28 | 2005-06-28 | Double wire stepless communication circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2817222Y true CN2817222Y (en) | 2006-09-13 |
Family
ID=36997032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520012877 Expired - Fee Related CN2817222Y (en) | 2005-06-28 | 2005-06-28 | Double wire stepless communication circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2817222Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324952A (en) * | 2011-09-30 | 2012-01-18 | 深圳麦克维尔空调有限公司 | Non-polar two-line system communication circuit |
| CN103883550A (en) * | 2014-03-21 | 2014-06-25 | 佛山市顺德区和而泰电子科技有限公司 | Method for controlling electric appliance through power wires and wire controller |
| CN105404213A (en) * | 2015-12-29 | 2016-03-16 | 深圳市振邦智能科技有限公司 | Direct current carrier wave serial port communication apparatus and method |
| CN105425659A (en) * | 2015-10-30 | 2016-03-23 | 广东美的制冷设备有限公司 | Unidirectional double-wire no-polarity communication circuit and air conditioner system having unidirectional double-wire no-polarity communication circuit |
-
2005
- 2005-06-28 CN CN 200520012877 patent/CN2817222Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324952A (en) * | 2011-09-30 | 2012-01-18 | 深圳麦克维尔空调有限公司 | Non-polar two-line system communication circuit |
| CN102324952B (en) * | 2011-09-30 | 2013-12-04 | 深圳麦克维尔空调有限公司 | Non-polar two-line system communication circuit |
| CN103883550A (en) * | 2014-03-21 | 2014-06-25 | 佛山市顺德区和而泰电子科技有限公司 | Method for controlling electric appliance through power wires and wire controller |
| CN103883550B (en) * | 2014-03-21 | 2016-04-27 | 佛山市顺德区和而泰电子科技有限公司 | A kind of method by power line control apparatus and wire controller |
| CN105425659A (en) * | 2015-10-30 | 2016-03-23 | 广东美的制冷设备有限公司 | Unidirectional double-wire no-polarity communication circuit and air conditioner system having unidirectional double-wire no-polarity communication circuit |
| CN105404213A (en) * | 2015-12-29 | 2016-03-16 | 深圳市振邦智能科技有限公司 | Direct current carrier wave serial port communication apparatus and method |
| CN105404213B (en) * | 2015-12-29 | 2018-11-16 | 深圳市振邦智能科技股份有限公司 | A kind of serial communication device and method of direct current carrier |
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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: 20060913 Termination date: 20130628 |