CN107153379A - A kind of intelligent switch - Google Patents
A kind of intelligent switch Download PDFInfo
- Publication number
- CN107153379A CN107153379A CN201710390484.9A CN201710390484A CN107153379A CN 107153379 A CN107153379 A CN 107153379A CN 201710390484 A CN201710390484 A CN 201710390484A CN 107153379 A CN107153379 A CN 107153379A
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- Prior art keywords
- temperature
- circuit
- chip microcomputer
- module
- key
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Abstract
The invention discloses a kind of intelligent switch, including respectively, the key-press module inputted for the clock circuit of Time Calculation, the numeral method module for showing the time, temperature collect module, the bell circuit of temperature over-range, function selection with parameter, the relay switch circuit of control apparatus switch and the system with monolithic mechatronics reset the reset circuit resetted.The intelligent switch is controlled using single-chip microcomputer, and circuit is simple, occupies little space, and electrical equipment temperature detect switch (TDS) and time switch can be achieved.
Description
Technical field
The present invention relates to the control field of smart home, more particularly to a kind of intelligent switch.
Background technology
With the development and the increasing of people's life requirement of science and technology, people in the mode and attitude of life to having very big
Change, in the family of oneself, pursues convenient and intelligence.But in family of today, most home wiring control does not become
Control of doing it yourself is still in how convenient and intelligence, the use of electrical equipment；And traditional switch can not complete people and want
Function, it is impossible to meet the demand in life of nowadays people, so we need a kind of new control mode, intelligent switch can
Certainly to solve these problems very well.Nevertheless, intelligent switch is not popularized well on the living conditions, and the function of intelligent switch
It is upper relatively simple, it is impossible to life is become convenient well；Very serious in product homogeneity, function duplicates；Capital temperature is high,
But it is high in the accreditation of user；The practical value of even some products is not high.
The content of the invention
The present invention, there is provided a kind of intelligent switch, with electronic clock, state switching, makees for above-mentioned problem
Cease the functions such as the startup and closing of open and close, jingle bell, temperature-controlled air conditioner or the fan of the household electric light of timing.
The present invention uses following technical scheme, a kind of intelligent switch, including with monolithic mechatronics is used for the time respectively
The clock circuit of calculating, the numeral method module for showing the time, temperature collect module, the bell circuit of temperature over-range,
Function selects the key-press module inputted with parameter, the relay switch circuit of control apparatus switch and system to reset the reset electricity resetted
Road.
As a further improvement, the model AT89C51 of described single-chip microcomputer, compatibility standard MCS-51 instruction systems and
General 8 central processing units and ISP Flash memory cell are integrated with 80C51 pin configurations, chip.
As a further improvement, described key circuit is that key switch is connected with single-chip processor i/o mouthful, including setting is opened
Turn on light regularly button, setting of timing mode selection key, setting of turning off the light is turned off the light regularly button, design temperature bound model selection
Button, design temperature upper limit button, design temperature lower limit button, someone/unmanned state's mode selection button and reset key.
As a further improvement, described clock circuit is to include the vibration electricity of a crystal oscillator and two electric capacity compositions
Road, two described electric capacity are connected in parallel on two terminals that crystal oscillator is connected with single-chip microcomputer respectively；Clock circuit controls number by single-chip microcomputer
The code pipe display module output display time.
As a further improvement, numeral method module can also output display temperature, temperature acquisition is received by single-chip microcomputer
The temperature information control numeral method module output temperature of module collection.
As a further improvement, described numeral method module is connected with single-chip microcomputer using Dynamic Announce interface.
As a further improvement, described temperature collection circuit uses DS18B20 digital transducers, its I/O interface
It is connected with data wire with single-chip processor i/o interface.
As a further improvement, described relay switch circuit includes temperature relay and the time relay, described
The temperature conditionss that temperature relay is set by single-chip microcomputer according to key-press module control air-conditioning switch, and the time relay is by single-chip microcomputer root
The timing controlled lamp source switch set according to key-press module.
As a further improvement, described reset circuit includes electric capacity, grounding resistance, series resistance and reset key,
Described series resistance is in parallel with electric capacity after being connected with reset key.
As a further improvement, its control method step is：
1) intelligent switch, is started, system is initially set to unmanned state, and single-chip microcomputer and clock circuit start, and charactron shows
Show that module shows the time, other circuits and module are in a dormant state；" someone/nobody state setting " for pushing button module
Function button, is set as someone's state, and all circuits and module start, and carry out temperature control and timing controlled；
2), temperature control：Temperature collect module starts, and gathers environment temperature, the temperature range inputted according to key-press module
Judge, when temperature is higher than design temperature scope, single-chip microcomputer control bell circuit starts jingle bell once, while controlling relay switch electricity
The temperature relay closure on road, starting of air conditioner；When environment temperature is less than design temperature scope, single-chip microcomputer control temperature relay
Disconnect, air-conditioning is closed；
3), timing controlled：The time set of monolithic machine testing key-press module input, reaches setting opening time, single-chip microcomputer
The time relay closure of output control relay switch circuit, opens lamp source；When lamp source timing reaches the setting shut-in time, monolithic
Machine control time relay is disconnected, and lamp source is closed.
The present invention not only solves furniture intelligent control problem, also has the advantages that：The present invention uses single-chip microcomputer
Control, without numerous and diverse control circuit, occupy little space, be quick on the draw, simple to operate, switching is quick；With electronic clock,
State switching, the open and close of household electric light of work and rest timing, temperature over-range jingle bell, startup and the pass of temperature-controlled air conditioner and fan
The function such as close；According to setting someone/unmanned state, certain module is selectively turned on or closed, multi-functional and low-power consumption is carried out
Between switching, more power saving.
Brief description of the drawings
Fig. 1 is the structured flowchart of intelligent switch of the present invention；
Fig. 2 is the pin arrangements figure of AT89C51 single-chip microcomputers of the embodiment of the present invention；
Fig. 3 is the circuit theory diagrams of clock circuit of the embodiment of the present invention；
Fig. 4 is the circuit theory diagrams of temperature collect module of the embodiment of the present invention；
Fig. 5 is the circuit theory diagrams of numeral method module of the embodiment of the present invention；
Fig. 6 is the circuit theory diagrams of relay switch circuit of the embodiment of the present invention；
Fig. 7 is the circuit theory diagrams of bell circuit of the embodiment of the present invention；
Fig. 8 is the circuit theory diagrams of reset circuit of the embodiment of the present invention；
Fig. 9 is the FB(flow block) of control method of the embodiment of the present invention.
Embodiment
In order that the purpose of embodiments of the invention, technical scheme and a little clearer, below in conjunction with accompanying drawing to this hair
Bright embodiment is described in detail, it is clear that described embodiment is only a preferred embodiment of the present invention, rather than all real
Apply example, it is impossible to for limiting the interest field of the present invention.
As shown in figure 1, a kind of intelligent switch, including the clock electricity for Time Calculation with monolithic mechatronics respectively
Road, the numeral method module for showing the time, temperature collect module, the bell circuit of temperature over-range, function selection and ginseng
Key-press module, the relay switch circuit of control apparatus switch and the system of number input reset the reset circuit resetted.
Fig. 2 is the pin arrangements figure of the AT89C51 single-chip microcomputers of embodiment, and AT89C51 is a low-power consumption, high-performance CMOS
8 single-chip microcomputers, what piece included 4k Bytes ISP (In-system programmable) can the Flash of erasable 1000 times repeatedly
Read-only program memory, device is manufactured using high density, the nonvolatile storage technologies of atmel corp, compatibility standard MCS-51
General 8 central processing units and ISP Flash memory cell, function are integrated with instruction system and 80C51 pin configurations, chip
The AT89C51 of powerful microcomputer can provide the solution of high performance-price ratio for many embedded Control application systems.
Such as Fig. 3, clock circuit is clock oscillation circuit, includes two electric capacity and a crystal oscillator X1, two C1, C2 points of electric capacity
Crystal oscillator two terminals XT1, XT2,19 pins (XTAL1) of XT1 connection AT89C51 single-chip microcomputers, XT2 connections are not connected in parallel on
18 pins (XTAL2) of AT89C51 single-chip microcomputers；Crystal oscillator X1 selects 12MHz, and two electric capacity are 30pF.The clock circuit can be real
The accurate control of existing circuit time, time reference is provided for AT89S51 single-chip microcomputers.
Such as Fig. 4, temperature collect module carries out temperature acquisition, circuit connection using digital temperature sensor DS18B20
Simply, the external VCC voltage sources of the VDD interfaces of DS18B20 temperature sensors, it is mono- that its I/O interface connects AT89S51 by data wire
Pin P2.4, the VDD interface of piece machine is also in series with resistance R3, R3 resistance for 4.7K Ω, GND interfacing grounds with data wire.
Fig. 5 is numeral method module, connects the display time using the Dynamic Announce interface of single-chip microcomputer and charactron, passes through
The input of charactron segment encode, shows digit time.Numeral method module may also used to displays temperature, be connect by single-chip microcomputer
The temperature information control numeral method module output display temperature of shrinkage temperature acquisition module collection.Wherein charactron Dynamic Announce
5,6,7,8 pins (P1.4, P1.5, P1.6, P1.7) of four NOT gates respectively with single-chip microcomputer be connected, 8 sections of charactron (dp, g,
F, e, d, c, b, 28~21 pins (P2.7~P2.0) a) respectively with single-chip microcomputer.It can be seen that 8 sections of 4 Digital sum pipes it is common by
Single-chip microcomputer P2.7~P2.0 controls, COM gatings of common port of each charactron are passed through by P1 mouthfuls of P1.4, P1.5, P1.6, P1.7
NOT gate SN74LS04N is controlled.Common port (C4~C1) which current potential is changed into 1, corresponding charactron operation from 0.By P2.7~
When P2.0 current potentials are 1, corresponding 8 sections of charactron is lighted, and display 0~9).Single-chip processor i/o drives one according to static drive mode
Individual charactron needs 8 I/O ports, although this type of drive is simple, brightness is high, power consumption and waste I/O port resources.When
Need driving more than 4 charactrons when, just must expansion I/O port or increase decoder driver be driven, hardware circuit is set
Meter is complicated and expends resource.Although and Dynamic Announce interface mode takes the CPU time, saving hardware and interface circuit being simple.
Fig. 6 be embodiment relay electric switch circuit circuit theory diagrams, relay switch circuit include temperature relay and when
Between relay, relay is a kind of electric control device, when the change of input quantity reach as defined in require when, in electric output circuit
In controlled volume is occurred a kind of electrical equipment of predetermined Spline smoothing, the one kind actually operated with Small current control high current " from
Dynamic switch ".The relay circuit resistance R1 ends connection pin of single-chip microcomputer 2 (P1.1), using PNP type triode amplifying circuit, coil
Two ends electric current is provided by triode, when single-chip microcomputer pin P1.1 send low level to triode B poles, triode ON, coil
There are electric current, relay adhesive.When sending high level, triode is by coil no current, relay disconnects.The wherein work of diode
With being that, when coil in the moment of power-off produces a very strong counter electromotive force, can therewith consume, easy burn-out three is not allowed thus
Pole pipe.And the output end of relay quite with a single-pole double-throw switch (SPDT), movable contact ground connection, when switch is connected to left stationary contact, electricity
Road is connected.When temperature sensor measurement reaches setting value to environment temperature, pass through the output of single-chip microcomputer so that temperature relay
Closure disconnects, so as to control the regular running of air-conditioning.And the control to LED then uses the time relay.Time after
When electrical equipment is that one kind adds or removes input signal, output par, c need to be delayed or just be closed to the stipulated time in limited time or disconnect its quilt
Control the relay of circuit.When single-chip microcomputer, which detects timing, opens or closes the lamp time, pass through the output of single-chip microcomputer so that time relay
Device is closed or disconnected, and causes the light on and off of lamp.
Bell circuit schematic diagram is as shown in fig. 7, the input connection pin of single-chip microcomputer 1 (P1.0) of circuit, the bell circuit is adopted
Buzzer FM is used, there is the oscillating circuit carried inside, can be driven by the output input low and high level of single-chip microcomputer, input warp and electricity
The amplifier Q1 amplifications of resistance R18 series connection are input in buzzer FM, and buzzer FM is circumscribed with input voltage VCC.When AT89S51 is mono-
When the temperature that piece machine examination measures temperature collect module collection exceedes design temperature, single-chip microcomputer will output level driving bell circuit
Act jingle bell.
Such as Fig. 8, the reset circuit is connected with 9 pins (RST) of AT89S51 single-chip microcomputers, including electric capacity C18, grounding resistance
R25, series resistance R24 and reset key K19, described series resistance are in parallel with electric capacity after being connected with reset key, wherein R24
For 100 Ω, R25 is that 10K Ω, C18 are 100nF.Reset key is arranged on key-press module, presses reset key, you can complete system
System, which is reset, to be resetted.
Intelligent switch control system of the present invention, can be achieved the intelligent control to household electrical appliance.In a preferred embodiment
In, intelligent switch carries out temperature detect switch (TDS) and the time switch of LED to air-conditioning respectively using temperature relay and the time relay,
The control method of the control system is as shown in Figure 9：
1) intelligent switch, is started, system is initially set to unmanned state, and single-chip microcomputer and clock circuit start, and charactron shows
Show that module shows the time, other circuits and module are in a dormant state；" someone/nobody state setting " for pushing button module
Function button, is set as someone's state, and all circuits and module start, and carry out temperature control and timing controlled；
2), temperature control：Temperature collect module starts, and gathers environment temperature, when temperature is higher than design temperature scope, monolithic
Machine control bell circuit starts jingle bell once, while controlling the temperature relay closure of relay switch circuit, starting of air conditioner；Work as ring
When border temperature is less than design temperature scope, single-chip microcomputer control temperature relay is disconnected, and air-conditioning is closed；
3), timing controlled：The time set of monolithic machine testing key-press module input, reaches setting opening time, single-chip microcomputer
The time relay closure of output control relay switch circuit, opens lamp source；When lamp source timing reaches the setting shut-in time, monolithic
Machine control time relay is disconnected, and lamp source is closed.
Time and limiting for temperature preset by key-press module, and described key circuit is key switch and single-chip microcomputer
I/O mouthfuls of connections, including (1) configuration switch lamp timing mode selection key, button are connected with the pin of single-chip microcomputer 39 (P0.0)；(2)
Regularly button of turning on light is set, button is connected with the pin of single-chip microcomputer 38 (P0.1)；(3) turn off the light regularly button, button and monolithic are set
The pin of machine 37 (P0.2) is connected；(4) design temperature bound mode selection button, button connects with the pin of single-chip microcomputer 36 (P0.3)
Connect；(5) design temperature upper limit button, button is connected with the pin of single-chip microcomputer 35 (P0.4)；(6) design temperature lower limit button, button
It is connected with the pin of single-chip microcomputer 34 (P0.5)；(7)/unmanned state's mode selection button, button and the pin of single-chip microcomputer 33 are whether there is
(P0.6) connect；(8) reset, button is connected with the pin of single-chip microcomputer 9 (RST).
The present invention is using single-chip microcomputer as control module, and circuit structure is simple, and control more efficiency occupies little space,
Temperature control and time switch can be achieved；It can realize that the state of multi-functional and low-power consumption switches, more power saving.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of intelligent switch, it is characterised in that including respectively with monolithic mechatronics for Time Calculation clock circuit,
For showing that numeral method module, temperature collect module, the bell circuit of temperature over-range, the function of time select defeated with parameter
Key-press module, the relay switch circuit of control apparatus switch and the system entered resets the reset circuit resetted.
2. a kind of intelligent switch according to claim 1, it is characterised in that the model AT89C51 of described single-chip microcomputer,
General 8 central processing units and ISP are integrated with compatibility standard MCS-51 instruction systems and 80C51 pin configurations, chip
Flash memory cell.
3. a kind of intelligent switch according to claim 1, it is characterised in that described key circuit is key switch and list
The connection of I/O mouthfuls of piece machine, including configuration switch lamp timing mode selection key, setting turn on light regularly button, setting turn off the light timing by
Key, design temperature bound mode selection button, design temperature upper limit button, design temperature lower limit button, someone/unmanned state
Mode selection button and reset key.
4. a kind of intelligent switch according to claim 1, it is characterised in that described clock circuit is to include a crystal oscillator
With the oscillating circuit of two electric capacity compositions, two described electric capacity are connected in parallel on two terminals that crystal oscillator is connected with single-chip microcomputer respectively；
Clock circuit controls the numeral method module output display time by single-chip microcomputer.
5. a kind of intelligent switch according to claim 4, it is characterised in that numeral method module can also output display temperature
Degree, the temperature information for receiving temperature collect module collection by single-chip microcomputer controls numeral method module to export.
6. a kind of intelligent switch according to claim 1, it is characterised in that described numeral method module and single-chip microcomputer
Connected using Dynamic Announce interface.
7. a kind of intelligent switch according to claim 1, it is characterised in that described temperature collection circuit is used
DS18B20 digital transducers, its I/O interfaces data wire is connected with single-chip processor i/o interface.
8. a kind of intelligent switch according to claim 1, it is characterised in that described relay switch circuit include temperature after
Electrical equipment and the time relay, the temperature conditionss control air-conditioning that described temperature relay is set by single-chip microcomputer according to key-press module are opened
Close, the timing controlled lamp source that the time relay is set by single-chip microcomputer according to key-press module is switched.
9. a kind of intelligent switch according to claim 1, it is characterised in that described reset circuit includes electric capacity, ground connection
Resistance, series resistance and reset key, described series resistance are in parallel with electric capacity after being connected with reset key.
10. a kind of intelligent switch according to claim any one of 1-9, it is characterised in that the controlling party of the intelligent switch
Method step is：
1) intelligent switch, is started, system is initially set to unmanned state, and single-chip microcomputer and clock circuit start, numeral method mould
Block shows the time, and other circuits and module are in a dormant state；Push button " someone/nobody state setting " function of module
Button, is set as someone's state, and all circuits and module start, and carry out temperature control and timing controlled；
2), temperature control：Temperature collect module starts, and gathers environment temperature, and the temperature range inputted according to key-press module judges,
When temperature is higher than design temperature scope, single-chip microcomputer control bell circuit starts jingle bell once, while controlling relay switch circuit
Temperature relay is closed, starting of air conditioner；When environment temperature is less than design temperature scope, single-chip microcomputer control temperature relay breaks
Open, air-conditioning is closed；
3), timing controlled：The time set of monolithic machine testing key-press module input, reaches setting opening time, single-chip microcomputer output
The time relay closure of relay switch circuit is controlled, lamp source is opened；When lamp source timing reaches the setting shut-in time, single-chip microcomputer control
The time relay processed is disconnected, and lamp source is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710390484.9A CN107153379A (en) | 2017-05-27 | 2017-05-27 | A kind of intelligent switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710390484.9A CN107153379A (en) | 2017-05-27 | 2017-05-27 | A kind of intelligent switch |
Publications (1)
| Publication Number | Publication Date |
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| CN107153379A true CN107153379A (en) | 2017-09-12 |
Family
ID=59793910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710390484.9A Pending CN107153379A (en) | 2017-05-27 | 2017-05-27 | A kind of intelligent switch |
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Application publication date: 20170912 |
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| RJ01 | Rejection of invention patent application after publication |