CN206097458U - Intelligence electronic switch based on RS485 bus - Google Patents
Intelligence electronic switch based on RS485 bus Download PDFInfo
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- CN206097458U CN206097458U CN201621083908.4U CN201621083908U CN206097458U CN 206097458 U CN206097458 U CN 206097458U CN 201621083908 U CN201621083908 U CN 201621083908U CN 206097458 U CN206097458 U CN 206097458U
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- circuit
- chip microcomputer
- control single
- electronic switch
- buses
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Abstract
The utility model discloses an intelligence electronic switch based on RS485 bus belongs to intelligent house field. Intelligence electronic switch include: RS485 bus, household electrical appliances control single chip microcomputer, remote controller singlechip, keying circuit, household electrical appliances control circuit, infrared emission circuit, infrared receiving circuit, the RS485 bus with household electrical appliances control single chip microcomputer connects, household electrical appliances control single chip microcomputer with household electrical appliances control circuit, keying circuit, infrared receiving circuit connect, the remote controller singlechip with keying circuit, infrared emission circuit connect, infrared emission circuit with infrared receiving circuit connects. The utility model discloses a with a slight remote controller in to the family all illumination electric lights, electrical equipment control good, the easy operation of stability.
Description
Technical field
The utility model is related to smart home field, more particularly to a kind of intelligent electronic switch based on RS485 buses.
Background technology
With the raising of living standards of the people, smart home product is also gradually replacing traditional household products, switchs nothing
It is suspected to be one of the most frequently used equipment of people.
In most of families, lighting lamp, electric equipment etc. do not only exist machinery using traditional manual mechanical switch
Switch shortcoming easy to wear, and night deactivation switch is very inconvenient in than larger house.At present, also have many on market
Home intelligent electronic switch is planted, it is, using power carrier, wireless, wired control mode, there is anti-interference energy that it is technically mostly
Power is poor, job insecurity, operation and installation complicated the problems such as.
Utility model content
In order to solve problem of the prior art, the utility model embodiment provides a kind of intelligence based on RS485 buses
Electronic switch.The technical scheme is as follows：
A kind of intelligent electronic switch based on RS485 buses, including：RS485 buses, home wiring control single-chip microcomputer, remote control
Single-chip microcomputer, key circuit, Household appliance control circuit, infrared transmitting circuit, infrared receiving circuit；
The RS485 buses are connected with the home wiring control single-chip microcomputer；
The home wiring control single-chip microcomputer is connected with the Household appliance control circuit, key circuit, infrared receiving circuit；
The remote control single-chip microcomputer is connected with the key circuit, infrared transmitting circuit；
The infrared transmitting circuit and the infrared receiving circuit connect.
Alternatively, the home wiring control single-chip microcomputer includes family's reset circuit, household electrical appliances power circuit, charactron, the family
Reset circuit, household electrical appliances power circuit, charactron are connected with the home wiring control single-chip microcomputer.
Alternatively, the remote control single-chip microcomputer includes remote control reset circuit, power supply of remote controller circuit, and the remote control is answered
Position circuit and the power supply of remote controller circuit are connected with the remote control single-chip microcomputer.
Alternatively, the RS485 buses adopt MAX485 driving chips.
Alternatively, the infrared receiving circuit adopts the infrared joints of SM0038.
Alternatively, the home wiring control single-chip microcomputer and remote control single-chip microcomputer adopt STC89C51 single-chip microcomputers.
The beneficial effect brought of technical scheme that the utility model embodiment is provided is：
1) infrared radio frequency technology and RS485 bussing techniques are used in intelligent electronic switch, are realized with a slight remote control
Control of the device to all lighting lamps, electric equipment in family, it is ensured that non-directional restriction during control, remote control distance is remote, can wear
Saturating barrier, good stability is simple to operate.
2) identical apparent size and the identical mode of connection are switched with standard machinery formula, can be applied to it is vast
Jing renovated client, it is easy for installation.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the utility model embodiment, below will be to needed for embodiment description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic diagram of the intelligent electronic switch based on RS485 buses that the utility model embodiment is provided；
Fig. 2 is the home wiring control monolithic of the intelligent electronic switch based on RS485 buses that the utility model embodiment is provided
Machine schematic diagram；
Fig. 3 is the remote control single-chip microcomputer of the intelligent electronic switch based on RS485 buses that the utility model embodiment is provided
Schematic diagram.
Specific embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
The utility model embodiment provides a kind of intelligent electronic switch based on RS485 buses, referring to Fig. 1, including：
It is RS485 buses 110, home wiring control single-chip microcomputer 120, remote control single-chip microcomputer 170, key circuit 140, Household appliance control circuit 130, red
Outgoing transmit-receive radio road 160, infrared receiving circuit 150.
RS485 buses 110 are connected with home wiring control single-chip microcomputer 120.
Home wiring control single-chip microcomputer 120 is connected with Household appliance control circuit 130, key circuit 140, infrared receiving circuit 150.
Remote control single-chip microcomputer 170 is connected with key circuit 140, infrared transmitting circuit 160.
Infrared transmitting circuit 160 and infrared receiving circuit 150 connect.
Specifically, RS485 buses 110 hang with N number of home wiring control single-chip microcomputer 120, represent N number of controlled household electrical appliance.
Slave can at any time be converted based on the multi-host communication mode of RS485, i.e. main frame, slave can at any time be transformed into main frame, so
Each home wiring control single-chip microcomputer 120 both can send control by RS485 buses 110 to other home wiring control single-chip microcomputers 120
Order, can receive the control command that other home wiring control single-chip microcomputers 120 are sent again.
In the present embodiment, referring to Fig. 2, home wiring control single-chip microcomputer 120 includes family's reset circuit 121, household electrical appliances power supply electricity
Road 122, charactron 123, family's reset circuit 121, household electrical appliances power circuit 122, charactron 123 and home wiring control single-chip microcomputer 120
Connection.
Specifically, family's reset circuit 121 constitutes rc reset circuit using a 10K resistance and a 10uF electric capacity,
Upper electricity and button can cause monolithic processor resetting, when home wiring control single-chip microcomputer 120 breaks down or when endless loop, household electrical appliances
Reset circuit 121 allows home wiring control single-chip microcomputer 120 to reset again startup.
Specifically, household electrical appliances power circuit 122 is the 5V voltages that home wiring control single-chip microcomputer 120 provides work.
Specifically, charactron 123 shows the coding of the current output order of home wiring control single-chip microcomputer 120.
In the present embodiment, referring to Fig. 3, remote control single-chip microcomputer 170 includes remote control reset circuit 171, power supply of remote controller
Circuit 172, remote control reset circuit 171 and power supply of remote controller circuit 172 are connected with remote control single-chip microcomputer 170.
Specifically, remote control single-chip microcomputer 170 will be encoded to each button, be completed by built-in program, Ran Houtong
Cross infrared transmitting circuit 160 to launch encoded signal, encoded signal enters home wiring control list through infrared receiving circuit 150
Piece machine 120, home wiring control single-chip microcomputer 120 is decoded, and sends control command, controls corresponding household electric appliance operation.
The key of decoding is how to recognize " 0 " and " 1 ", and research finds that " 0 ", " 1 " are started with the low level of 0.56ms, no
Same is the width difference of high level, and " 0 " is 0.56ms, and " 1 " is 1.68ms, so must be distinguished according to the width of high level
" 0 " and " 1 ".If after 0.56ms low levels, trigger after 0.56ms, if the level read is low, illustrates the position
For " 0 ", otherwise it is then " 1 ", for the sake of reliability, time delay must be longer than 0.56ms, but no more than 1.12ms, otherwise such as
Really the position is " 0 ", and what is read is the high level of next bit, therefore it is the most reliable to take (1.12ms+0.56ms)/2=0.84ms,
Typically take 0.84ms or so.According to the form of code, it should wait after the completion of the initial code of 9ms and the result code of 4.5ms
Can reading code.
Specifically, the structure function of remote control reset circuit 171 and power supply of remote controller circuit 172 and family's reset circuit
121 is identical with the structure function of household electrical appliances power circuit 122.
In the present embodiment, RS485 buses 110 adopt MAX485 driving chips.
Specifically, setting up the communication network of RS485 buses 110 needs the support of RS485 driving chips, and MAX485 is a use
In the Half-duplex transceiver part of RS485 communications, chip internal is integrated with a driver and a recipient, meets RS485 and leads to
Beacon is accurate, and performance and feature meet requirement of the present utility model, while being easily obtained, low price.
In the present embodiment, infrared receiving circuit 150 adopts the infrared joints of SM0038.
Specifically, the infrared joints of SM0038 receive the infrared signal that infrared frequency is about 26 μ s for the 38KHz cycles, while
The signal is amplified, detection, shaping obtains the encoded signal of logic level and is then sent through home wiring control single-chip microcomputer 120, Jing family
Electric control single-chip microcomputer 120 decodes corresponding control command, performs corresponding program.
In the present embodiment, home wiring control single-chip microcomputer 120 and remote control single-chip microcomputer 170 adopt STC89C51 single-chip microcomputers.
MCS51 singlechip chips have many kinds, and such as 8051/8052,8031/8032,8751/8752, theirs is basic
Composition, instruction system are all identicals.The design adopts STC89C51 single-chip microcomputers, the completely compatible biography of MCU Instruction code
Unite 8051 single-chip microcomputers, and directly can be downloaded code in chip by PC serial ports, debug very convenient.
In sum, the utility model embodiment opens infrared radio frequency technology and RS485 bussing techniques for smart electronicses
The Central Shanxi Plain, realizes the control with a slight remote control to all lighting lamps, electric equipment in family, it is ensured that non-directional during control
Limit, remote control distance is remote, can penetrate barrier, and good stability is simple to operate.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (6)
1. a kind of intelligent electronic switch based on RS485 buses, it is characterised in that include：RS485 buses, home wiring control monolithic
Machine, remote control single-chip microcomputer, key circuit, Household appliance control circuit, infrared transmitting circuit, infrared receiving circuit；
The RS485 buses are connected with the home wiring control single-chip microcomputer；
The home wiring control single-chip microcomputer is connected with the Household appliance control circuit, key circuit, infrared receiving circuit；
The remote control single-chip microcomputer is connected with the key circuit, infrared transmitting circuit；
The infrared transmitting circuit and the infrared receiving circuit connect.
2. the intelligent electronic switch based on RS485 buses according to claim 1, it is characterised in that the home wiring control
Single-chip microcomputer includes family's reset circuit, household electrical appliances power circuit, charactron, described reset circuit, household electrical appliances power circuit, number
Pipe is connected with the home wiring control single-chip microcomputer.
3. the intelligent electronic switch based on RS485 buses according to claim 1, it is characterised in that the remote control list
Piece machine includes remote control reset circuit, power supply of remote controller circuit, the remote control reset circuit and the power supply of remote controller circuit
It is connected with the remote control single-chip microcomputer.
4. the intelligent electronic switch based on RS485 buses according to claim 1, it is characterised in that the RS485 buses
Using MAX485 driving chips.
5. the intelligent electronic switch based on RS485 buses according to claim 1, it is characterised in that the infrared receiver
Circuit adopts the infrared joints of SM0038.
6. the intelligent electronic switch based on RS485 buses according to claim 1, it is characterised in that the home wiring control
Single-chip microcomputer and remote control single-chip microcomputer adopt STC89C51 single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621083908.4U CN206097458U (en) | 2016-09-27 | 2016-09-27 | Intelligence electronic switch based on RS485 bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621083908.4U CN206097458U (en) | 2016-09-27 | 2016-09-27 | Intelligence electronic switch based on RS485 bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206097458U true CN206097458U (en) | 2017-04-12 |
Family
ID=58480793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621083908.4U Expired - Fee Related CN206097458U (en) | 2016-09-27 | 2016-09-27 | Intelligence electronic switch based on RS485 bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206097458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448125A (en) * | 2016-09-27 | 2017-02-22 | 衢州学院 | Intelligent electronic switch based on RS485 bus |
-
2016
- 2016-09-27 CN CN201621083908.4U patent/CN206097458U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448125A (en) * | 2016-09-27 | 2017-02-22 | 衢州学院 | Intelligent electronic switch based on RS485 bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20180927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |