CN105072777A - Internet-of-things single-live line wireless intelligent switch - Google Patents

Internet-of-things single-live line wireless intelligent switch Download PDF

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Publication number
CN105072777A
CN105072777A CN201510561450.2A CN201510561450A CN105072777A CN 105072777 A CN105072777 A CN 105072777A CN 201510561450 A CN201510561450 A CN 201510561450A CN 105072777 A CN105072777 A CN 105072777A
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circuit
pin
triode thyristor
bidirectional triode
module
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CN105072777B (en
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毛平江
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CHONGQING HUIJU INTELLIGENT ELECTRONIC Co Ltd
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CHONGQING HUIJU INTELLIGENT ELECTRONIC Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

The invention provides an Internet-of-things single-live line wireless intelligent switch. The Internet-of-things single-live line wireless intelligent switch includes an MCU unit module, a switch control module, a lamp turned-on electricity taking module, a lamp turned-off electricity taking module, a temperature detecting module, a wireless transmitting-receiving module and a touch key module, wherein the MCU unit module communicates with the switch control module, the wireless transmitting-receiving module and the touch key module. The circuit structure of the Internet-of-things single-live line wireless intelligent switch of the invention is stable and reliable. With the Internet-of-things single-live line wireless intelligent switch adopted, high-efficiency two-way wireless communication can be realized, and the problem of instability of a whole control system under the situation that a small load is set on the single-live line wireless intelligent switch can be solved.

Description

A kind of Internet of Things list fire wireless intelligent switch
Technical field
The present invention relates to a kind of Smart Home lamp control switch low-power consumption power taking technical field, particularly relate to a kind of wireless low-power consumption list fire more-control switch.
Background technology
Along with the proposition that energy-saving and emission-reduction " 12 " are planned, no matter be in people's life, or be in industry manufacture field, or the development of emerging technology had the consciousness of energy-saving and emission-reduction.From traditional incandescent lamp fluorescent lamp, electricity-saving lamp finally, then be low to moderate the LED of 5W (even 3W) left and right to existing power, along with light fixture by high power to lower powered change.Change from incandescent lamp to LED, power source loads is also changed to capacitive load by resistive load, and capacitive load is at powered on moment, just be equivalent to short circuit, electric current moment is infinitely-great in theory, as do not limited impulse current, not only can burn out fuse, burn connector, also can disturb adding electric equipment due to common input impedance.
Mostly use relay in existing switch designs and carry out control load, and relay adopts galvanically working method, can not solve the impact of starup current.The fiery switch of list of existing support wireless intelligent house needs lithium battery to ensure the work of wireless module when cutting out, frequent in circuit discharge and recharge is carried out to lithium battery, system cisco unity malfunction phenomenon is caused when greatly reducing working life and the lithium battery power supply deficiency of lithium battery, and useless be all have serious harm to human body or whole nature with battery, do not reach the object of environmental protection.
Summary of the invention
The invention provides a kind of Internet of Things list fire wireless intelligent switch, power-supply circuit of turning on light is utilized to solve the power taking problem of single live wire with power-supply circuit of turning off the light, solve simultaneously high-power wireless module for power supply problem and on the basis solving power taking problem, the present invention has accomplished low-power consumption on this partial circuit, make the operating efficiency of whole system higher, work more stable.
The invention provides a kind of Internet of Things list fire wireless intelligent switch, it is characterized in that, comprise MCU, switch control module, to turn on light electricity-fetching module, to turn off the light electricity-fetching module, radio receiving transmitting module, touch key-press module, described switch control module comprises ON-OFF control circuit I, ON-OFF control circuit II, ON-OFF control circuit III, wherein: MCU is by terminals K1, K2, K3 respectively with ON-OFF control circuit III, ON-OFF control circuit II, ON-OFF control circuit I is connected, MCU is connected with switch control module by terminals 3V3, MCU is connected with touch key-press module with radio receiving transmitting module respectively by different terminals, electricity-fetching module of turning off the light is connected with switch control module by terminals OUT1, OUT2, OUT3 port, and electricity-fetching module of turning on light is connected with switch control module by terminals VOUT1, VOUT2, VOUT3.
The invention provides a kind of Internet of Things list fire wireless intelligent switch, further, described in electricity-fetching module of turning on light comprise front end power-supply circuit, full bridge rectifier, DC/DC circuit, electric source filter circuit and power output circuit.
The invention provides a kind of Internet of Things list fire wireless intelligent switch, further, in described electricity-fetching module of turning on light front end power-supply circuit on live wire by controllable silicon Q1, Q2, Q3 obtains a voltage from live wire, the voltage obtained is respectively through terminals VOUT3, VOUT2, VOUT1 is transported in full bridge rectifier, a direct voltage is obtained by full-bridge D20 and D24 in full bridge rectifier, this direct voltage is input in low-power consumption DC/DC circuit through VLDO-OUT end, power filter chip U9 and capacitance resistance ware and diode process in DC/DC circuit, finally export VCC_3V3 by diode D19, this VCC_3V3 is capacitance resistance ware and inductance process in electric source filter circuit, finally export 3V3 by C40.
The invention provides a kind of Internet of Things list fire wireless intelligent switch; further, electricity-fetching module of turning off the light described in comprises full bridge rectifier, electric source filter circuit, voltage stabilizing circuit, circuit for isolation type switch power, auxiliary power supply circuit, overvoltage crowbar, start-up circuit and power output circuit.
The invention provides a kind of Internet of Things list fire wireless intelligent switch, further, the full-bridge D7 of full bridge rectifier in described electricity-fetching module of turning off the light, the terminals OUT1 of D8, OUT2, OUT3 connects with light fixture respectively, input alternating current after full bridge rectifier process by terminals OUT1, OUT2, OUT3 port exports direct current, this direct current is inputted by inductance L in electric source filter circuit 1, in start-up circuit is to isolating switch power, ICU6 powers, isolating switch power exports two-way power supply respectively in electric source filter circuit: wherein a road out-put supply is being transported in electric source filter circuit way, first flow through the voltage stabilizing circuit that voltage stabilizing value is 3.3V, finally export 3.3V by electric source filter circuit, obtain the voltage of a 12V after another road out-put supply is transported to electric source filter circuit, then provide working power by auxiliary power supply circuit to isolating switch power, replace start-up circuit and power to isolation type switch power.
The invention provides a kind of Internet of Things list fire wireless intelligent switch, further, ON-OFF control circuit I comprises bidirectional triode thyristor Q1, bidirectional triode thyristor driver U1, triode Q4, 1 pin of bidirectional triode thyristor driver U1 is supply pin, the 3V3 leached by filter circuit flows through 1 pin of R1 to bidirectional triode thyristor driver U1, 2 pin of bidirectional triode thyristor driver U1 are for driving pin, by K3 on J2 terminals through triode Q4, R21 drives 2 pin of bidirectional triode thyristor driver U1, 6 pin of bidirectional triode thyristor driver U1 are connected with the terminals VOUT3 of electricity-fetching module of turning on light, 4 pin of bidirectional triode thyristor driver U1 are connected with the terminals OUT1 of electricity-fetching module of turning off the light.
The invention provides a kind of Internet of Things list fire wireless intelligent switch, further, ON-OFF control circuit II comprises bidirectional triode thyristor Q2, bidirectional triode thyristor driver U2, triode Q5, 1 pin of bidirectional triode thyristor driver U2 is supply pin, the 3V3 leached by filter circuit flows through 1 pin of R1 to bidirectional triode thyristor driver U1, 2 pin of bidirectional triode thyristor driver U2 are for driving pin, by K2 on J2 terminals through triode Q5, R23 drives 2 pin of bidirectional triode thyristor driver U2, 6 pin of bidirectional triode thyristor driver U2 are connected with the terminals VOUT2 of electricity-fetching module of turning on light, 4 pin of bidirectional triode thyristor driver U2 are connected with the terminals OUT2 of electricity-fetching module of turning off the light.
The invention provides a kind of Internet of Things list fire wireless intelligent switch, further, described ON-OFF control circuit III comprises bidirectional triode thyristor Q3, bidirectional triode thyristor driver U3, triode Q6,1 pin of bidirectional triode thyristor driver U3 is supply pin, and the 3V3 leached by filter circuit flows through 1 pin of R1 to bidirectional triode thyristor driver U1; 2 pin of bidirectional triode thyristor driver U3, for driving pin, are driven 2 pin of bidirectional triode thyristor driver U3 through triode Q6, R25 by K1 on J2 terminals; 6 pin of bidirectional triode thyristor driver U3 are connected with the terminals VOUT1 of electricity-fetching module of turning on light; 4 pin of bidirectional triode thyristor driver U3 are connected with the terminals OUT3 of electricity-fetching module of turning off the light.
Advantage of the present invention and beneficial effect are:
1. a kind of Internet of Things list fire wireless intelligent switch provided by the invention, whole on-off control system is when wireless module normally works, power consumption can reach extremely low, the stand-by power consumption of whole system is low to moderate 6mW, and simultaneously whole power supply can provide enough power supply to the normal transceiving data of wireless module.
2. a kind of Internet of Things list fire wireless intelligent switch provided by the invention, meeting under the electricity-saving lamp amount of power supply being low to moderate 3W, still can meet the normal work of whole system.
3. a kind of Internet of Things list fire wireless intelligent switch provided by the invention, touch key-press module is connected with MCU, achieves intelligentized control method, not only environmental protection, energy-conservation, also extends the useful life of whole switch control rule wire system and light fixture.
4. a kind of Internet of Things list fire wireless intelligent switch provided by the invention, circuit structure is reliable and stable, not only can realize high efficiency bidirectional wireless communication, can also the function of compatible with capacitance formula touch key-press and physical button, be applicable to the controlled in wireless of singly-bound position, multikey position or variable connector.
Accompanying drawing explanation
Carry out describing in detail or preferably to the preferred embodiment of the present invention below in conjunction with accompanying drawing, wherein,
Fig. 1 is circuit principle structure block diagram of the present invention;
Fig. 2 is the communication interface figure of MCU and ON-OFF control circuit;
Fig. 3 is the circuit theory diagrams of ON-OFF control circuit I;
Fig. 4 is the circuit theory diagrams of ON-OFF control circuit II;
Fig. 5 is the circuit theory diagrams of ON-OFF control circuit III;
Fig. 6 is the circuit principle structure block diagram of electricity-fetching module of turning on light;
Fig. 7 is the circuit theory diagrams of electricity-fetching module of turning on light;
Fig. 8 is the electricity-fetching module circuit waveform figure that turns on light;
Fig. 9 is the circuit principle structure block diagram of electricity-fetching module of turning off the light;
Figure 10 is the circuit theory diagrams of electricity-fetching module of turning off the light;
Figure 11 is the theory structure block diagram of temperature sensing circuit;
MCU-1, switch control module-2, electricity-fetching module-3 of turning on light, electricity-fetching module-4 of turning off the light, radio receiving transmitting module-5, touch key-press module-6.
Embodiment
With reference to accompanying drawing 1-9, main technical schemes of the present invention is as follows:
The invention provides a kind of Internet of Things list fire wireless intelligent switch, it is characterized in that, comprise MCU1, switch control module 2, electricity-fetching module 3 of turning on light, electricity-fetching module 4 of turning off the light, radio receiving transmitting module 5, touch key-press module 6.Switch control module 2 comprises ON-OFF control circuit I, ON-OFF control circuit II, ON-OFF control circuit III.Electricity-fetching module 3 of turning on light comprises load power-supply circuit, full bridge rectifier, electric source filter circuit, DC/DC circuit and power output circuit.Electricity-fetching module 4 of turning off the light comprises full bridge rectifier, electric source filter circuit, voltage stabilizing circuit, circuit for isolation type switch power, auxiliary power supply circuit, overvoltage crowbar, start-up circuit and power output circuit.Touch key-press module comprises capacitance touch button and physical button.Wherein: MCU1 is connected with three-way switch control circuit in electricity-fetching module circuit 4 of turning off the light respectively by terminals K1, K2, K3, MCU1 is connected with switch control module 2 by terminals 3V3, and MCU1 is connected with radio receiving transmitting module 5, touch key-press module 6 respectively by different terminals; Electricity-fetching module 3 of turning on light is connected with DC/DC module by terminals VLDOOUT, and electricity-fetching module 4 of turning off the light is connected with isolating switch power; Electricity-fetching module 3 of turning on light is connected with switch control module 2 by terminals VOUT1, VOUT2, VOUT3, and electricity-fetching module 4 of turning off the light is connected with switch control module 2 by terminals OUT1, OUT2, OUT3.
Further, ON-OFF control circuit I comprises bidirectional triode thyristor Q1, bidirectional triode thyristor driver U1, triode Q4,1 pin of bidirectional triode thyristor driver U1 is connected by the terminals 3V3 of R1 and MCU1,2 pin of bidirectional triode thyristor driver U1 are connected by the terminals K3 of triode Q4, R21 and MCU1,6 pin of bidirectional triode thyristor driver U1 are connected with the terminals VOUT3 of electricity-fetching module 3 of turning on light, and 4 pin of bidirectional triode thyristor driver U1 are connected with the terminals OUT1 of electricity-fetching module 4 of turning off the light.
Further, ON-OFF control circuit II comprises bidirectional triode thyristor Q2, bidirectional triode thyristor driver U2, triode Q5,1 pin of bidirectional triode thyristor driver U2 is connected by the terminals 3V3 of R4 and MCU1,2 pin of bidirectional triode thyristor driver U2 are connected by the terminals K2 of triode Q5, R23 and MCU1,6 pin of bidirectional triode thyristor driver U2 are connected with the terminals VOUT2 of electricity-fetching module 3 of turning on light, and 4 pin of bidirectional triode thyristor driver U2 are connected with the terminals OUT2 of electricity-fetching module 4 of turning off the light.
Further, ON-OFF control circuit III comprises bidirectional triode thyristor Q3, bidirectional triode thyristor driver U3, triode Q6,1 pin of bidirectional triode thyristor driver U3 is connected by the terminals 3V3 of R8 and MCU1,2 pin of bidirectional triode thyristor driver U3 are connected by the terminals K1 of triode Q6, R25 and MCU1,6 pin of bidirectional triode thyristor driver U3 are connected with the terminals VOUT1 of electricity-fetching module 3 of turning on light, and 4 pin of bidirectional triode thyristor driver U3 are connected with the terminals OUT3 of electricity-fetching module 4 of turning off the light.
Further, electricity-fetching module 3 of turning on light, as accompanying drawing 6 and accompanying drawing 7, live wire is connected with zero line by light fixture through load switching circuit, is controlled the open and close of light fixture by load switching circuit.The front end power-supply circuit of turning on light in electricity-fetching module 3 Internet of Things list fire intelligent switch on obtain one as accompanying drawing 7 in b waveform pulse, in electricity-fetching module 3 of turning on light, full bridge rectifier can obtain one as d waveform pulse in accompanying drawing 7, after electric source filter circuit I filtering in electricity-fetching module 3 of turning on light, obtain the direct voltage of an about 24V again, eventually pass DC/DC circuit conversion in electricity-fetching module 3 of turning on light and obtain voltage and deliver to the direct voltage that electric source filter circuit II obtains a 3.3V.Originally turning on light in electricity-fetching module 3 adopts full-bridge rectification to obtain stable voltage, if c waveform in accompanying drawing 7 is Half bridge rectifier impulse waveform, d waveform is full-bridge rectification impulse waveform, compare c impulse waveform and d impulse waveform can obviously be found out in same period, d pulse is compared with the pulse of the many taking-ups of c pulse 2 times, that is when identical light fixture, power provided by the invention is 2 times of common half-bridge power taking, and application is just more extensive like this.The 24V in electricity-fetching module 3 that turns on light turns the DC/DC circuit that 3.3V circuit have employed low power consumption high efficiency and realizes, compare the mode of LDO conversion, DC/DC circuit possesses more high efficiency, such as: when output current is 5mA (16.5mW), the efficiency of DC/DC circuit can reach 92%, and input power only has 18mW; And LDO power supply, under needing to export same electric current 5mA (16.5mW) situation, its input power reaches 120mW.Therefore 24V turns 5 times that the conversion efficiency of DC/DC circuit in 3.3V circuit is LDO power supply, improves the power taking efficiency of whole circuit so the present invention adopts DC/DC circuit to fall.Because DC/DC circuit conversion efficiency of the present invention is very high, simultaneously, electric source filter circuit I can store certain electricity, there is provided enough large electrical current instantaneously at data transmit-receive can to powerful radio receiving transmitting module 5, therefore, DC/DC circuit of the present invention powers to different wireless modules, applies also extensive.Accomplished the low-power consumption in the process of the standby and Wireless Data Transmission when turning on light power taking simultaneously.
Further, to turn off the light electricity-fetching module 4, as accompanying drawing 8, light fixture is connected with full bridge rectifier, access again between live wire and zero line, the alternating current of input obtains direct voltage by after the full bridge rectifier rectification of turning off the light in electricity-fetching module 4, the direct voltage of 300V is obtained again after electric source filter circuit a, this direct voltage first provides one to start power supply through start-up circuit to isolating switch power, then Switching Power Supply is started working, then Switching Power Supply is divided into two-way to export, and outputs to respectively in power filter b and power filter c.Electric source filter circuit c obtains the voltage of a 12V, provides operating voltage by auxiliary power supply circuit to Switching Power Supply, replaces start-up circuit and powers to isolation type switch power.If do not adopt auxiliary power supply, and use start-up circuit to power to isolation type switch power, himself power consumption will reach 50MW, and then allow it export same power, the input power of Switching Power Supply will be made higher, cause the efficiency of whole Switching Power Supply extremely low, Novel energy-saving lamp cannot be met at all and use.On market, most of energy-saving lamp will glimmer more than time 35uA (7.7mW) at leakage current, therefore, this invention ensures that the power of isolating switch power input can not more than 7.7mW, when this input power, the actual test of circuit obtains, 3.3V end can export 1.6mA electric current, power output 5.28mW, and the efficiency of Switching Power Supply reaches 68.6%.Because switch power efficiency of the present invention is very high, simultaneously, electric source filter circuit a can store certain electricity, there is provided enough large electrical current instantaneously at data transmit-receive can to powerful radio receiving transmitting module 5, therefore, Switching Power Supply of the present invention powers to different wireless modules, is widely used.The actual test of this product standby current is 0.7mA, and input power is 3.37mW, therefore its power consumption is very low.Isolation type switch power possesses overvoltage crowbar simultaneously, when voltage stabilizing circuit goes wrong time, by output voltage control within the specific limits, and can not cause the too high damage Switching Power Supply of output voltage and load.
With reference to accompanying drawing 1-9, embodiment is as follows:
MCU1 is mainly used in and switch control module 2, radio receiving transmitting module 5, intercommunication mutually between touch key-press module 6 and control, touch key-press module 6 is led to MCU1 and is gone control switch control module 2, simultaneously also can with mobile phone A PP by radio receiving transmitting module 5 and MCU1 Control on Communication switch control module 2.Backlight circuit in touch key-press module 6, controls to carry out attonity dormancy by MCU1 and radio receiving transmitting module 5, and makes backlight be in the different conditions such as glimmer, highlighted, extinguishing, to realize the effect reducing power consumption by touch key-press module 6 close to induction.
Switch control module 2 comprises bidirectional triode thyristor Q1, Q2, Q3 and bidirectional triode thyristor driver U1, U2, U3 and triode Q4, Q5, Q6.Switch control module 2 is the single fiery ON-OFF control circuit in three tunnels, for a wherein road, because the IO electric current of MCU1 is little, driving force is inadequate, can not Direct driver bidirectional triode thyristor driver, therefore before each bidirectional triode thyristor driver, add a triode respectively, provide a high level by MCU1 and make NPN type triode Q4 conducting by resistance R21.After triode Q4 conducting, the light-emitting diodes pipe end of optocoupler is also with regard to conducting, electric current is namely had to flow through, then after the LEDs ON of optocoupler inside, trigger the bidirectional switch conducting of its secondary, thus trigger bidirectional triode thyristor Q1 conducting, last again by MCU1 to triode Q4 low level, triode Q4 is ended, just reaches the effect of closing controllable silicon Q1.In switch control module 2, add hardware zero crossing detection function, when bidirectional triode thyristor conducting time, supply voltage is identical with phase place with the amplitude of conducting voltage.According to the characteristic of electric capacity, when being added in the voltage on electric capacity and having Spline smoothing, the impulse current of generation can damage bidirectional triode thyristor and can bring the adverse effects such as the higher-order of oscillation to place Circuits System.
Electricity-fetching module 3 of turning on light comprises front end power-supply circuit, full bridge rectifier, low-power consumption DC/DC circuit, electric source filter circuit and power output circuit.Electricity-fetching module 3 of turning on light is the power taking supply control systems when illuminating lamp is opened, two voltage-stabiliser tube ZD2 are passed through by the trigger end of full-bridge D20 and D24 load switch in the power-supply circuit of front end in full bridge rectifier, ZD3 goes to get a two-way exchange electricity, above-mentioned alternating current is through inductance L 2, by the supply voltage required for low-power consumption DC/DC circuit output system, so more can improve the utilization ratio of power supply, simultaneously, inductance L 2 is to be absorbed in the peak voltage occurred time on-off controller opens or closes general supply, this peak voltage can cause the subelement in switch control module 2 to damage.This circuit is by power supply chip U9 and inductance L 4 and electric capacity C15, C29 forms a high efficiency DC/DC power supply, will charge to inductance L 2 during the conducting of U9 inside, when turning off, inductance L 2 is discharged, the energy loss of charge and discharge process is very little, when inductance L 2 is washed into energy, electric capacity C15 and C29 is charged and is provided an output voltage simultaneously, when U9 internal switch is closed, by the continuous energy of inductance, diode D17 opens, carry out back discharge, this cycle is constantly repeated time in working order, therefore be very little in the loss of whole energy in circuit in fact, so whole DC/DC circuit efficiency is very high, its efficiency can reach more than 92%, this addresses the problem when power taking turned on light by low power illumination lamp, power taking undertension causes the phenomenon that lamp dodges or control system is restarted.
Electricity-fetching module 4 of turning off the light comprises full bridge rectifier, electric source filter circuit, voltage stabilizing circuit, circuit for isolation type switch power, auxiliary power supply circuit, overvoltage crowbar, start-up circuit and power output circuit.Electricity-fetching module 4 of turning off the light is the power taking supply control systems after illuminating lamp is closed, the direct voltage of a 300V is taken out by two full-bridges D7, D8 in full bridge rectifier, 300V voltage being flowed to circuit for isolation type switch power, powering by giving whole control system after circuit for isolation type switch power process.In circuit for isolation type switch power, provide the voltage of a 12V to obtain a magnitude of voltage making the operating efficiency of U6 reach the best by R13, R20 dividing potential drop to biased winding mainly through switch transformer T1 power to U6, simultaneously by the secondary winding of switch transformer T1, Schottky diode D14, resistance R14 and electric capacity C1, C3 form an oscillation circuit, define a self-activated switch power supply, by the voltage required for the secondary winding output switch system of switch transformer TI.Which improves the power supply delivery efficiency of U6, its efficiency can reach more than 95%.A protective circuit is formed in circuit by voltage-stabiliser tube ZD1 and resistance R20; when the voltage of ZD1 negative terminal is more than the voltage stabilizing value of ZD1; after puncturing; the magnitude of voltage this punctured flows to the feedback pin of U6; because U6 is current mode IC; his feedback pin is beyond his self specified current value, and U6 will quit work automatically.Wherein, resistance R11, resistance R12, diode D12, electric capacity C2, electric capacity C5 form a peak absorbing loop, and the spike high pressure produced in AC/DC loop is turned back to ground by electric capacity C5, reach the object of protection U6.This circuit adds opto-coupled feedback compensating network simultaneously, when output voltage there occurs change, the frequency of oscillation of self-excitation is changed by feedback network, timely regulation output voltage, make output voltage more reliable and more stable, because U6 is positioned at the secondary of transformer T1 in circuit, so input and output have mutually isolated advantage.
Temperature sensing circuit 9 is made up of a high-precision Miniature heat protector, in order to detect the temperature of bidirectional triode thyristor, when the temperature of bidirectional triode thyristor exceedes the rated temperature of thermal protector TB1, thermal protector TB1 will disconnect automatically, temperature detecting module 6 will cancel original low level, the temperature of silicon controlled working temperature higher than Operation system setting will be judged when MCU1 detects the level change of temperature detecting module 6, MCU1 will cut-off switch automatically, both the problem that bidirectional triode thyristor is burned because working temperature is too high had been solved, also extend the useful life of switch control module 2 simultaneously.
Radio receiving transmitting module 5 is communicated by SPI with between MCU1 and FSK modulation mode improves antijamming capability between communication, the communication between mobile phone A PP and whole system is realized by a wireless intermediate device, the distance of transmission is advantageous, it can be made unconfined transmission to go down by a series of intermediate equipment, therefore long transmission distance, and stable.
Touch key-press module 6 comprises the soft LED of color and light guide panel obtains the control circuit of touch key-press module 6 part by process on hardware PCB, by touch key-press module 6 can detect human body close to the touch action of action, human body and the departure motion of human body, the Signal transmissions these three actions produced is to MCU1, by a series of process of MCU1, the action that distinguishable human body proximity and button are pressed, simultaneously can driving LED glimmer, highlighted or OFF state change: the display switch open mode when LED is in highlighted; Represent human body proximity during glimmer, make people can determine the position of switch in the dark fast, be also unlikely to too dazzling; When switch cuts out, time people leaves, backlight is with regard to automatic distinguishing; When people near time, backlight will glimmer, has both reached energy-conservation object, also hommization more.Touch key-press module 6 make use of most popular capacitance type touch key now, can when Non-follow control more in fast comfortable, have employed hardware touch manner simultaneously, make the button of switch more stable, anti-external interference is strong, waterproof and dampproof, disorderly button will be caused to dap because of the impact of external environment.
According to technical scheme of the present invention, when not changing connotation of the present invention, those of ordinary skill in the art can propose multiple frame mode of the present invention.Therefore following embodiment and accompanying drawing just illustrating technical scheme of the present invention, and should not be considered as of the present invention all or the restriction be considered as technical solution of the present invention or restriction.

Claims (8)

1. an Internet of Things list fire wireless intelligent switch, it is characterized in that, comprise MCU, switch control module, electricity-fetching module of turning on light, electricity-fetching module of turning off the light, radio receiving transmitting module, touch key-press module, described switch control module comprises ON-OFF control circuit I, ON-OFF control circuit II, ON-OFF control circuit III, wherein:
MCU is connected with ON-OFF control circuit III, ON-OFF control circuit II, ON-OFF control circuit I respectively by terminals K1, K2, K3, MCU is connected with switch control module by terminals 3V3, and MCU is connected with touch key-press module with radio receiving transmitting module respectively by different terminals;
Electricity-fetching module of turning off the light is connected with switch control module by terminals OUT1, OUT2, OUT3 port, and electricity-fetching module of turning on light is connected with switch control module by terminals VOUT1, VOUT2, VOUT3.
2. a kind of Internet of Things list fire wireless intelligent switch according to claim 1, is characterized in that, described in electricity-fetching module of turning on light comprise front end power-supply circuit, full bridge rectifier, DC/DC circuit, electric source filter circuit and power output circuit.
3. a kind of Internet of Things list fire wireless intelligent switch according to claim 2, it is characterized in that, in described electricity-fetching module of turning on light front end power-supply circuit on live wire by controllable silicon Q1, Q2, Q3 obtains a voltage from live wire, the voltage obtained is respectively through terminals VOUT3, VOUT2, VOUT1 is transported in full bridge rectifier, a direct voltage is obtained by full-bridge D20 and D24 in full bridge rectifier, this direct voltage is input in low-power consumption DC/DC circuit through VLDO-OUT end, power filter chip U9 and capacitance resistance ware and diode process in DC/DC circuit, finally export VCC_3V3 by diode D19, this VCC_3V3 is capacitance resistance ware and inductance process in electric source filter circuit, finally export 3V3 by C40.
4. a kind of Internet of Things list fire wireless intelligent switch according to claim 1; it is characterized in that, described in electricity-fetching module of turning off the light comprise full bridge rectifier, electric source filter circuit, voltage stabilizing circuit, circuit for isolation type switch power, auxiliary power supply circuit, overvoltage crowbar, start-up circuit and power output circuit.
5. a kind of Internet of Things list fire wireless intelligent switch according to claim 4, it is characterized in that, the full-bridge D7 of full bridge rectifier in described electricity-fetching module of turning off the light, the terminals OUT1 of D8, OUT2, OUT3 connects with light fixture respectively, input alternating current after full bridge rectifier process by terminals OUT1, OUT2, OUT3 port exports direct current, this direct current is inputted by inductance L in electric source filter circuit 1, in start-up circuit is to isolating switch power, ICU6 powers, isolating switch power exports two-way power supply respectively in electric source filter circuit: wherein a road out-put supply is being transported in electric source filter circuit way, first flow through the voltage stabilizing circuit that voltage stabilizing value is 3.3V, finally export 3.3V by electric source filter circuit, obtain the voltage of a 12V after another road out-put supply is transported to electric source filter circuit, then provide working power by auxiliary power supply circuit to isolating switch power, replace start-up circuit and power to isolation type switch power.
6. a kind of Internet of Things list fire wireless intelligent switch according to claim 1, it is characterized in that, ON-OFF control circuit I comprises bidirectional triode thyristor Q1, bidirectional triode thyristor driver U1, triode Q4, 1 pin of bidirectional triode thyristor driver U1 is supply pin, the 3V3 leached by filter circuit flows through 1 pin of R1 to bidirectional triode thyristor driver U1, 2 pin of bidirectional triode thyristor driver U1 are for driving pin, by K3 on J2 terminals through triode Q4, R21 drives 2 pin of bidirectional triode thyristor driver U1, 6 pin of bidirectional triode thyristor driver U1 are connected with the terminals VOUT3 of electricity-fetching module of turning on light, 4 pin of bidirectional triode thyristor driver U1 are connected with the terminals OUT1 of electricity-fetching module of turning off the light.
7. a kind of Internet of Things list fire wireless intelligent switch according to claim 1, it is characterized in that, ON-OFF control circuit II comprises bidirectional triode thyristor Q2, bidirectional triode thyristor driver U2, triode Q5, 1 pin of bidirectional triode thyristor driver U2 is supply pin, the 3V3 leached by filter circuit flows through 1 pin of R1 to bidirectional triode thyristor driver U1, 2 pin of bidirectional triode thyristor driver U2 are for driving pin, by K2 on J2 terminals through triode Q5, R23 drives 2 pin of bidirectional triode thyristor driver U2, 6 pin of bidirectional triode thyristor driver U2 are connected with the terminals VOUT2 of electricity-fetching module of turning on light, 4 pin of bidirectional triode thyristor driver U2 are connected with the terminals OUT2 of electricity-fetching module of turning off the light.
8. a kind of Internet of Things list fire wireless intelligent switch according to claim 1, it is characterized in that, described ON-OFF control circuit III comprises bidirectional triode thyristor Q3, bidirectional triode thyristor driver U3, triode Q6,1 pin of bidirectional triode thyristor driver U3 is supply pin, and the 3V3 leached by filter circuit flows through 1 pin of R1 to bidirectional triode thyristor driver U1; 2 pin of bidirectional triode thyristor driver U3, for driving pin, are driven 2 pin of bidirectional triode thyristor driver U3 through triode Q6, R25 by K1 on J2 terminals; 6 pin of bidirectional triode thyristor driver U3 are connected with the terminals VOUT1 of electricity-fetching module of turning on light; 4 pin of bidirectional triode thyristor driver U3 are connected with the terminals OUT3 of electricity-fetching module of turning off the light.
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CN107798837A (en) * 2016-08-31 2018-03-13 赵锦薇 Switch device with auxiliary power unit and wireless receiving function and lamp system thereof
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CN108811281A (en) * 2018-07-05 2018-11-13 梁衍龙 A kind of ESS Electronic Switching System of the control lamps and lanterns integrated manually and remotely
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CN105406851A (en) * 2015-12-17 2016-03-16 北京昊恒天科技有限公司 Single-livewire switch
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CN107666306A (en) * 2016-07-28 2018-02-06 深圳指芯智能科技有限公司 A kind of single live wire power getting intelligent switch based on fingerprint identification technology
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CN106949533A (en) * 2017-05-22 2017-07-14 河北工大科雅能源科技股份有限公司 A kind of adjustable switching mode room thermostat of power supply
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CN108811281A (en) * 2018-07-05 2018-11-13 梁衍龙 A kind of ESS Electronic Switching System of the control lamps and lanterns integrated manually and remotely
CN109287056A (en) * 2018-11-15 2019-01-29 欧普照明股份有限公司 A kind of single-fire-wire electronic switch
CN109618478A (en) * 2018-12-04 2019-04-12 公牛集团股份有限公司 A kind of list firewire switching system
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CN110034779A (en) * 2019-04-28 2019-07-19 北京智芯微电子科技有限公司 EMTC communications module
CN110461061A (en) * 2019-08-12 2019-11-15 天津华来科技有限公司 A kind of single live wire power getting circuit controlled based on microswitch or optocoupler
CN110456701A (en) * 2019-08-12 2019-11-15 天津华来科技有限公司 A kind of battery-based intelligent wireless wall switch device
CN110461061B (en) * 2019-08-12 2024-04-09 天津华来科技股份有限公司 Single-live wire circuit based on micro switch or optocoupler control
CN114152870A (en) * 2021-06-11 2022-03-08 河南紫联物联网技术有限公司 Load simulation detection system and wake-up time distribution method of single-fire switch
CN114152870B (en) * 2021-06-11 2022-07-08 河南紫联物联网技术有限公司 Load simulation detection system and wake-up time distribution method of single-fire switch

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