CN209017036U - A kind of communication of two wires and power supply unit - Google Patents
A kind of communication of two wires and power supply unit Download PDFInfo
- Publication number
- CN209017036U CN209017036U CN201821471295.0U CN201821471295U CN209017036U CN 209017036 U CN209017036 U CN 209017036U CN 201821471295 U CN201821471295 U CN 201821471295U CN 209017036 U CN209017036 U CN 209017036U
- Authority
- CN
- China
- Prior art keywords
- power supply
- wires
- communication terminal
- pin
- communication
- 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.)
- Active
Links
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The utility model discloses a kind of communication of two wires and power supply units, including power panel and display board；The power panel includes that communication receives circuit, power supply circuit and power panel two wires communication terminal；The display board includes communication transmitting line, rectification circuit and display board two wires communication terminal；The power supply circuit connects display board two wires communication terminal by power panel two wires communication terminal and is powered by rectification circuit to display board；The communication transmitting line connects power panel two wires communication terminal by display board two wires communication terminal and electric signal is sent to communication reception circuit.The utility model receives circuit, power supply circuit, communication transmitting line, rectification circuit, power panel two wires communication terminal and display board two wires communication terminal by communication, it realizes power panel and is powered by both threads to display board, this two lines of concurrent multiplexing carry out wired reliable communications, have the advantages that at low cost, Yi Shixian, Low emissivity and reliable and stable.
Description
Technical field
The utility model relates to Smart Home technical field more particularly to a kind of communication of two wires and power supply units.
Background technique
Most of power panels need to complete to communicate with display board with four line connection display boards and power to display board.
The communication modes of mainstream have UART serial communication and II2C communication, two kinds of communication modes are all 2 connections of needs, and can only
Communication, can not power to display board.The reserved line of the control box of house decoration generally only has 2 lines, therefore to realize power panel
Connection control between display board, there have been being powered with 2 lines, communication is then using wirelessly.Such as: bluetooth is wireless
Communication；433MHZ or 315MZ wireless telecommunications；Zigbee communication；Infrared transmission by remote control；WiFi communication.
However, blue tooth wireless communication is apart from short, general only 10 meters；433MHZ or 315MZ wireless telecommunications emit product
The matching of module and receiving module is more demanding, and when having deviation, communication robust is poor；Zigbee communication module and WIFI communication mould
Block is expensive；Home router accesses limited amount system to the node of wifi module, is easy to appear the situation that goes offline after exceeding；It is red
Outer remote-control communication has certain blind area, there is control angle requirement.
Therefore, being badly in need of a solution makes power panel that can power by 2 lines to display board, moreover it is possible to display board
It steadily communicates, while saving cost.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of communication of two wires and power supply units, including power supply
Plate and display board；
The power panel includes that communication receives circuit, power supply circuit and power panel two wires communication terminal；
The display board includes communication transmitting line, rectification circuit and display board two wires communication terminal；
The power supply circuit connects display board two wires communication terminal by power panel two wires communication terminal and passes through rectified current
Road powers to display board；
The communication transmitting line connects power panel two wires communication terminal electric signal by display board two wires communication terminal
It is sent to communication and receives circuit.
Further, it includes the first triode, the second triode, voltage-stabiliser tube, the first current limliting electricity that the communication, which receives circuit,
Resistance, the second current-limiting resistance, the first pull down resistor, the first pull-up resistor and the second pull-up resistor；
The base stage of first triode connects the first current-limiting resistance by voltage-stabiliser tube and is grounded by the first pull down resistor,
The collector of first triode connects power supply by the first pull-up resistor and connects the base stage of the second triode by conducting wire,
The emitter of first triode is grounded；
The collector of second triode connects power supply by the second pull-up resistor and is connected by the second current-limiting resistance
The receiving port of single-chip microcontroller, the emitter ground connection of second triode.
More preferably, the power supply circuit includes first capacitor, the second capacitor, third capacitor and third current-limiting resistance；
The first capacitor, the second capacitor are in parallel with third capacitor to constitute power supply capacitor group, the power supply capacitor group
One pole ground connection, another pole, which connects power supply and connects the second of power panel two wires communication terminal by third current-limiting resistance, draws
Foot, the first pin ground connection of power panel two wires communication terminal.
Preferably, the communication transmitting line includes third transistor, the 4th triode, the 4th current-limiting resistance, the 5th limit
Leakage resistance, the 6th current-limiting resistance, the 7th current-limiting resistance, the second pull down resistor and third pull down resistor；
The base stage of the third transistor be grounded by the second pull down resistor and passes through the 5th current-limiting resistance connection described the
The collector of the collector of four triodes, the third transistor connects the 4th current-limiting resistance, the transmitting of the third transistor
Pole ground connection；
The base stage of 4th triode is grounded by third pull down resistor and passes through the 7th current-limiting resistance connection single-chip microcontroller
Transmission mouth, the collector of the 4th triode connects power supply, the transmitting of the 4th triode by the 6th current-limiting resistance
Pole ground connection.
More preferably, the rectification circuit includes rectifier bridge, rectifier diode and the 4th capacitor；
The rectifier bridge includes the first pin, second pin, third pin and the 4th pin, and the first of the rectifier bridge is drawn
Foot connects the second pin of display board two wires communication terminal, and the second pin of the rectifier bridge connects the 4th current-limiting resistance and leads to
Over commutation diode connects the second capacitor, and the first of the third pin connection display board two wires communication terminal of the rectifier bridge is drawn
Foot, the 4th pin ground connection of the rectifier bridge；
4th capacity earth.
As an improvement of the above scheme, the first capacitor, the second capacitor, third capacitor, the 4th capacitor are electrolytic capacitor.
Implement the utility model has the beneficial effects that:
The utility model receives circuit, power supply circuit, communication transmitting line, rectification circuit, display board two wires by communication
Communication terminal and power panel two wires communication terminal only need both threads to be achieved that power panel is powered to display board, while power supply
It also can be carried out between plate and display board and steadily communicate.The utility model power panel is powered by two lines to display board same
When, be multiplexed this two lines and carried out wired reliable communications, compared to the technological means of existing wireless telecommunications, have it is at low cost,
Easily realization, Low emissivity and reliable and stable advantage.
Detailed description of the invention
Fig. 1 is the circuit diagram of two wires communication and power supply unit provided by the utility model；
Fig. 2 is the circuit diagram that communication provided by the utility model receives circuit and power supply circuit；
Fig. 3 is the circuit diagram of communication transmitting line and rectification circuit provided by the utility model.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.Only this state, the present invention occur in the text or will occur up, down, left, right, before and after,
The orientation such as inside and outside word is not to specific restriction of the invention only on the basis of attached drawing of the invention.
Referring to Fig. 1, two wires communication provided by the utility model and power supply unit, including power panel and display board；
The power panel includes that communication receives circuit, power supply circuit and power panel two wires communication terminal CN1；
The display board includes communication transmitting line, rectification circuit and display board two wires communication terminal CN2；
The power supply circuit passes through power panel two wires communication terminal CN1 connection display board two wires communication terminal CN2 and passes through
Rectification circuit is powered to display board；
The communication transmitting line passes through display board two wires communication terminal CN2 connection power panel two wires communication terminal CN1 handle
Electric signal is sent to communication and receives circuit.
Referring to fig. 2, it includes the first triode Q1, the second triode Q2, voltage-stabiliser tube D5, the first limit that the communication, which receives circuit,
Leakage resistance R12, the second current-limiting resistance R24, the first pull down resistor R15, the first pull-up resistor R18 and the second pull-up resistor R19, institute
Stating the first triode Q1 and the second triode Q2 is NPN type triode；The base stage of the first triode Q1 passes through voltage-stabiliser tube D5
It connects the first current-limiting resistance R12 and is grounded by the first pull down resistor R15, the collector of the first triode Q1 passes through first
Pull-up resistor R18 connection power supply and the base stage that the second triode Q2 is connected by conducting wire, the emitter of the first triode Q1
Ground connection；The collector of the second triode Q2 passes through the second pull-up resistor R19 connection power supply and passes through the second current-limiting resistance R24
Connect the emitter ground connection of the receiving port REC, the second triode Q2 of single-chip microcontroller.
The power supply circuit includes first capacitor C7, the second capacitor C8, third capacitor C9 and third current-limiting resistance R4；It is described
First capacitor C7, the second capacitor C8 are in parallel with third capacitor C9 to constitute power supply capacitor group, another pole of the power supply capacitor group
Connection power supply and the second pin that the power panel two wires communication terminal CN1 is connected by third current-limiting resistance R4, the power supply
The first pin of plate two wires communication terminal CN1 is grounded.Preferably, the first capacitor, the second capacitor, third capacitor are electrolysis electricity
Hold.Electrolytic capacitor price has advantage than other types, and the composition material for making electrolytic capacitor is all common industrial materials.
Referring to Fig. 3, the communication transmitting line include third transistor Q3, the 4th triode Q4, the 4th current-limiting resistance R1,
5th current-limiting resistance R2, the 6th current-limiting resistance R3, the 7th current-limiting resistance R21, the second pull down resistor R19 and third pull down resistor
R20, the third transistor Q3 and the 4th triode Q4 are NPN type triode；The base stage of the third transistor Q3 passes through the
Two pull down resistor R19 are grounded and pass through the collector that the 5th current-limiting resistance R2 connects the 4th triode Q4, and the described 3rd 3
The collector of pole pipe Q3 connects the 4th current-limiting resistance R1, the emitter ground connection of the third transistor Q3；4th triode
The base stage of Q4 is grounded by third pull down resistor R20 and passes through the transmission mouth SEND of the 7th current-limiting resistance R21 connection single-chip microcontroller, institute
The collector of the 4th triode Q4 is stated by the 6th current-limiting resistance R3 connection power supply, the emitter of the 4th triode Q4 connects
Ground.
The rectification circuit includes rectifier bridge D1, rectifier diode D2 and the second capacitor C1；The rectifier bridge D1 includes the
First pin of one pin, second pin, third pin and the 4th pin, the rectifier bridge D1 connects display board two wires communication terminal
The second pin of sub- CN2, the second pin of the rectifier bridge D1 connect the 4th current-limiting resistance R1 and are connected by rectifier diode D2
The first pin of the third pin connection display board two wires communication terminal CN2 of the second capacitor C1, the rectifier bridge D1 is connect, it is described whole
Flow the 4th pin ground connection of bridge D1；The second capacitor C1 ground connection.
Preferably, the 4th capacitor C1 is electrolytic capacitor.
The level height of the second pin of the communication terminal of display board two wires described in circuit shown in Fig. 1 CN2 is with single-chip microcontroller
Transmission mouth SEND level height variation and change.When the transmission mouth SEND of single-chip microcontroller is high level, the 4th triode
Q4 conducting, third transistor Q3 are not turned on, and are led to since the second pin of display board two wires communication terminal CN2 is connected to power panel two wires
The second pin of terminal CN1 is interrogated, the first pin of display board two wires communication terminal CN2 is connected to power panel two wires communication terminal CN1
The first pin, it is known that the second pin of display board two wires communication terminal CN2 is high level, thus is not led as third transistor Q3
When logical, the 4th capacitor C1 is charged by rectifier diode D2；When the transmission mouth SEND of single-chip microcontroller is low level, the 4th triode
Q4 is not turned on, and third transistor Q3 conducting, the second pin of display board two wires communication terminal CN2 is pulled low as low level, at this point,
4th capacitor C1 will not be discharged by rectifier diode D2 since the cut-off of rectifier diode D2 acts on, can keep a period of time
Voltage is powered to display board.
The level height of the receiving port REC of single-chip microcontroller described in circuit shown in Fig. 1 is with power panel two wires communication terminal CN1
Second pin level height variation and change.It is low electricity at the second pin of the power panel two wires communication terminal CN1
Usually, the first triode Q1 is not turned on, and the second triode Q2 conducting, the receiving port REC of single-chip microcontroller is pulled low as low level；Work as institute
When stating at the second pin of power panel two wires communication terminal CN1 as high level, the first triode Q1 conducting, the second triode Q2 is not
Conducting, the receiving port REC of single-chip microcontroller are raised as high level.
In conclusion the utility model by communication receive circuit, power supply circuit, communication transmitting line, rectification circuit with
And power panel two wires communication terminal CN1 and display board two wires communication terminal CN2, only need both threads to be achieved that power panel to display
Plate power supply, while also can be carried out between power panel and display board and steadily communicating.The utility model power panel is given by two lines
While display board is powered, this two lines have been multiplexed it and have carried out wired reliable communication, compared to the technology hand of existing wireless telecommunications
Section has the advantages that at low cost, Yi Shixian, Low emissivity and reliable and stable.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
It is considered as the protection scope of the utility model.
Claims (10)
1. a kind of two wires communication and power supply unit, including power panel and display board, it is characterised in that；
The power panel includes that communication receives circuit, power supply circuit and power panel two wires communication terminal；
The display board includes communication transmitting line, rectification circuit and display board two wires communication terminal；
The power supply circuit connects display board two wires communication terminal by power panel two wires communication terminal and is given by rectification circuit
Display board power supply；
The communication transmitting line connects power panel two wires communication terminal by display board two wires communication terminal and electric signal is sent
Circuit is received to communication.
2. two wires communication as described in claim 1 and power supply unit, which is characterized in that it includes first that the communication, which receives circuit,
Triode, the second triode, voltage-stabiliser tube, the first current-limiting resistance, the second current-limiting resistance, the first pull down resistor, the first pull-up resistor
With the second pull-up resistor；
The base stage of first triode connects the first current-limiting resistance by voltage-stabiliser tube and is grounded by the first pull down resistor, described
The collector of first triode connects power supply by the first pull-up resistor and connects the base stage of the second triode by conducting wire, described
The emitter of first triode is grounded；
The collector of second triode connects power supply by the second pull-up resistor and connects monolithic by the second current-limiting resistance
The receiving port of machine, the emitter ground connection of second triode.
3. two wires communication as described in claim 1 and power supply unit, which is characterized in that the power supply circuit includes the first electricity
Appearance, the second capacitor, third capacitor and third current-limiting resistance；
The first capacitor, the second capacitor are in parallel with third capacitor to constitute power supply capacitor group, a pole of the power supply capacitor group
Ground connection, another pole connect power supply and connect the second pin of power panel two wires communication terminal, institute by third current-limiting resistance
State the first pin ground connection of power panel two wires communication terminal.
4. two wires communication as described in claim 1 and power supply unit, which is characterized in that the communication transmitting line includes third
Under triode, the 4th triode, the 4th current-limiting resistance, the 5th current-limiting resistance, the 6th current-limiting resistance, the 7th current-limiting resistance, second
Pull-up resistor and third pull down resistor；
The base stage of the third transistor is grounded by the second pull down resistor and passes through the 5th current-limiting resistance connection the described 4th 3
The collector of the collector of pole pipe, the third transistor connects the 4th current-limiting resistance, and the emitter of the third transistor connects
Ground；
The base stage of 4th triode is grounded by third pull down resistor and passes through the hair of the 7th current-limiting resistance connection single-chip microcontroller
Mouth is sent, the collector of the 4th triode connects power supply by the 6th current-limiting resistance, and the emitter of the 4th triode connects
Ground.
5. two wires as described in claim 1 communication and power supply unit, which is characterized in that the rectification circuit include rectifier bridge,
Rectifier diode and the 4th capacitor；
The rectifier bridge includes the first pin, second pin, third pin and the 4th pin, and the first pin of the rectifier bridge connects
The second pin of display board two wires communication terminal is connect, the second pin of the rectifier bridge connects the 4th current-limiting resistance and by whole
It flows diode and connects the 4th capacitor, the first pin of the third pin connection display board two wires communication terminal of the rectifier bridge, institute
State the 4th pin ground connection of rectifier bridge；
4th capacity earth.
6. two wires communication as described in claim 1 and power supply unit, which is characterized in that display board two wires communication terminal
Second pin is connected to the second pin of power panel two wires communication terminal, and the first pin of display board two wires communication terminal is connected to power supply
First pin of plate two wires communication terminal.
7. two wires communication as claimed in claim 3 and power supply unit, which is characterized in that the first capacitor is electrolytic capacitor.
8. two wires communication as claimed in claim 3 and power supply unit, which is characterized in that second capacitor is electrolytic capacitor.
9. two wires communication as claimed in claim 3 and power supply unit, which is characterized in that the third capacitor is electrolytic capacitor.
10. two wires communication as claimed in claim 5 and power supply unit, which is characterized in that the 4th capacitor is electrolytic capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821471295.0U CN209017036U (en) | 2018-09-07 | 2018-09-07 | A kind of communication of two wires and power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821471295.0U CN209017036U (en) | 2018-09-07 | 2018-09-07 | A kind of communication of two wires and power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209017036U true CN209017036U (en) | 2019-06-21 |
Family
ID=66831345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821471295.0U Active CN209017036U (en) | 2018-09-07 | 2018-09-07 | A kind of communication of two wires and power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209017036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111427295A (en) * | 2020-04-09 | 2020-07-17 | 广州思智科技有限公司 | Communication control circuit |
-
2018
- 2018-09-07 CN CN201821471295.0U patent/CN209017036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111427295A (en) * | 2020-04-09 | 2020-07-17 | 广州思智科技有限公司 | Communication control circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103873143B (en) | Visible light communication device | |
| CN102393660B (en) | Wireless remote-controlled multi-range power controller | |
| CN101594171B (en) | Power cord chopper communication transceiving circuit | |
| CN204155273U (en) | A kind of multi-functional data switch based on elevator communication | |
| CN107547109A (en) | Air conditioner current loop communication circuit and air conditioner | |
| CN209017036U (en) | A kind of communication of two wires and power supply unit | |
| CN203982576U (en) | M-BUS slave telecommunication circuit | |
| CN206835082U (en) | Serial ports isolates communication interface circuit and electronic equipment | |
| CN201174802Y (en) | Interconnection type house lamp controlling switch | |
| CN104483917B (en) | A kind of multi-connected machine current ring communication system | |
| CN208154732U (en) | Slave telecommunication circuit, slave, electrical equipment and slave telecommunication circuit | |
| CN207283541U (en) | A kind of current loop communication circuit | |
| CN109121251A (en) | Buildings model lamp light control system | |
| CN204835969U (en) | Relay control circuit during resistance -capacitance steps down | |
| CN109831845B (en) | Multifunctional LED induction lamp controller | |
| CN209472807U (en) | A kind of head of a bed lamp control system and bedside lamp | |
| CN203689104U (en) | Intelligent household system based on ZigBee | |
| CN211909241U (en) | Wireless dimming and color mixing driving circuit compatible with WIFI and Bluetooth functions | |
| CN201515367U (en) | Power line chopping communication transceiver circuit | |
| CN109040902A (en) | Intelligent sound box | |
| CN206226779U (en) | A kind of spot light control system | |
| CN206349807U (en) | A kind of new A C/DC automatic switching control circuits | |
| CN208549028U (en) | A kind of Zigbee gateway | |
| CN209659689U (en) | Control lamp remote-control circuit and electronic equipment | |
| CN108958058A (en) | Intelligent appliance control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |