CN206162133U - Wireless automatic control system of safety protection of family intelligence - Google Patents

Abstract

The utility model provides a wireless automatic control system of safety protection of family intelligence, survey circuit, security protection detection circuitry, two sets of valve body control circuit, power control circuit and the supply circuit of system including system center control circuit, empty gas detection, system center control circuit includes the minimum system circuit of singlechip, zigBee communication circuit, RFID identification circuit and GSM communication circuit, and zigBee communication circuit, RFID identification circuit and GSM communication circuit are connected with the minimum system circuit electricity of singlechip respectively. Intelligent wireless automatic control system to control of domestic water and electricity, gas electromagnetic valve node and the remote control of security protection system to provide an intelligence, nimble, convenient living space for the user.

Description

A kind of household safe protection intelligent radio automatic control system

Technical field

The utility model belongs to Smart Home technical field, automatic more particularly, to a kind of household safe protection intelligent radio Control system.

Background technology

With the development of social economy, people require the various aspects lived more and more higher, the security of living environment, Comfortableness and intellectuality are gradually taken seriously.With developing rapidly for electronic technology and wireless communication technology, intelligent family Security protection system has become the important directions of smart home development.Household safe refers not only to theft problem, even more serious Be water power hidden danger, gas leakage, misoperation all can give people to cause serious consequence.Therefore a kind of household safe is worked out Protection intelligent radio automatic control system has important realistic meaning.Intelligent safety protection is with house as platform, using comprehensive Close wiring technique, the network communications technology, security precautions technology, automatic control technology, give birth to household according to base of principle of human engineering The security-related water power coal gas of work, security protection are integrated into daily intelligent management system, lift house security, convenience, and realize The living environment of environmental protection and energy saving.

The content of the invention

In view of this, the utility model is directed to a kind of household safe protection intelligent radio automatic control system, with right Household hydroelectric, solenoid valve for gas monitoring nodes and safety-protection system remotely control, so as to provide the user a kind of intelligence, flexible, side Just living space.

To reach above-mentioned purpose, what the technical solution of the utility model was realized in：

A kind of household safe protection intelligent radio automatic control system, including system centre control circuit, air detection electricity Road, security protection detection circuit, two groups of valve body control circuits, power control circuit and system power supply circuits；

The system centre control circuit includes singlechip minimum system circuit, telecommunication circuit and identification circuit, and Telecommunication circuit and identification circuit are electrically connected respectively with singlechip minimum system circuit；

The air detection circuit and the security protection detection circuit are electrically connected respectively with singlechip minimum system circuit, described Singlechip minimum system circuit is electrically connected respectively by telecommunication circuit with two groups of valve body control circuits, power control circuits, two groups Valve body control circuit is respectively used to control water solenoid valve and solenoid valve for gas, and power control circuit is used to control battery main switch；

The system power supply circuit respectively with system centre control circuit, air detection circuit, security protection detection circuit, two groups Valve body control circuit and power control circuit are electrically connected.

Further, the control core of the singlechip minimum system circuit in the system centre control circuit is model The single-chip microcomputer of ATMEGA16A.

Further, the telecommunication circuit is ZigBee communication circuit, and the ZigBee communication circuit includes model The signal of CC2530 sends chip and signal receiving chip, and the signal sends the of the 15th pin of chip and signal receiving chip 10 pin connect, and the signal sends the 9th pin of chip and is connected with the 11st pin of signal receiving chip, and the signal sends chip 10th, the 11st pin respectively with single-chip microcomputer the 9th, the 10th pin be connected, the signal send chip and signal receiving chip the 1st, The pin of 2nd, the 12nd, the 23rd and the 24th is grounded respectively, and the signal sends the 3rd pin of chip and signal receiving chip, and to meet 5V respectively electric Pressure, signal sends the 7th pin of chip and connects reset circuit, the reset circuit bag respectively with the 7th pin of signal receiving chip Electric capacity, resistance and the button of parallel connection are included, another pin of the resistance connects another pin point of 5V voltages, the electric capacity and button It is not grounded.

Further, the identification circuit is RFID identification circuits, and the RFID identifications circuit includes The radio frequency chip of model ZLG500, the pin of the 1st, the 2nd and the 3rd of the radio frequency chip respectively with single-chip microcomputer the 20th, the 19th and 12nd pin connects, and the pin of the 6th, the 9th, the 11st and the 14th of the radio frequency chip is grounded respectively, and it is electric that the 4th pin of radio frequency chip meets 5V Pressure, the pin of the 10th, the 12nd and the 13rd connects antenna, the positive terminal of the 7th pin sending and receiving optical diode of the radio frequency chip, light emitting diode Negative pole end ground connection.

Further, the air detection circuit is used to detect the concentration of indoor carbon monoxide, the air detection circuit The twin voltage comparator of gas sensor and model LM393 including model QM-7B, the 1st, the of the gas sensor 2 and the 3rd pin connects respectively 5V voltages, and the 5th pin of gas sensor connects the 8th resistance, and another pin of the 8th resistance is grounded, Gas sensor the 4th, the 6th pin short circuit and while connect the 9th resistance, the 9th resistance another pin ground connection, gas sensing Device the 4th, the 6th pin be also connected with the 2nd pin of twin voltage comparator, the 3rd pin of twin voltage comparator connection slide rheostat is double Simultaneously parallel connection the tenth is electric for the 4th pin ground connection of voltage comparator, the 1st pin connection single-chip microcomputer pin of twin voltage comparator, and the 1st pin Hold and the first light emitting diode, another pin of the tenth electric capacity is grounded, and another pin of first light emitting diode connects the tenth Resistance, another pin of the tenth resistance is with the 8th pin short circuit of twin voltage comparator and while connects 5V voltages.

Further, the security protection detection circuit includes the pyroelectric infrared sensor and model of model RE200B The detection circuit of the amplifier composition of BIS0001, security protection detection circuit is used to detect indoor human body signal, the anti-theft security of increase Coefficient.

Further, the valve body control circuit includes the FET of PNP triode and model IRF540, described three The base stage of pole pipe is connected by the 21st resistance with the pin of the signal receiving chip of ZigBee, and the colelctor electrode of triode meets 5V Power supply, the emitter stage of triode is sequentially connected in series the 22nd resistance and the second light emitting diode, second light emitting diode The other end is grounded, and between the 22nd resistance and the second light emitting diode and is connected with the 23rd resistance, and the 23rd is electric Another pin of resistance is connected with the 1st pin of FET；

The 3rd pin ground connection of the FET, the 2nd pin the 24th resistance of parallel connection of the FET and the pole of rectification two Pipe, and another pin of the 24th resistance connects 5V voltages, another pin of commutation diode connects the 25th resistance, and the 25th is electric Another pin of resistance connects 5V voltages, and the 2nd pin of the FET connects the control line of electromagnetic valve body.

Further, the power control circuit includes NPN type triode and relay, and the base stage of the triode passes through Signal sends the pin of chip, the grounded emitter of triode, the colelctor electrode of triode in 27th resistance connection ZigBee The positive terminal of end connection backward dioded, the negative pole end connection 5V voltages of backward dioded, the two ends of the backward dioded are simultaneously Join the coil of relay, and the positive pole of coil is connected with the negative pole of backward dioded, the negative pole of coil is with backward dioded just Extremely it is connected, the normally opened contact of relay is connected with the positive pole of battery main switch, the movable contact of relay and the negative pole of power switch Connection, the normally-closed contact of relay connects 5V voltages by the 28th resistance.

Further, the system power supply circuit is respectively system centre control circuit, air detection circuit, security protection detection Circuit, two groups of valve body control circuits and power control circuit are powered, the system power supply circuit include IB2405S-2W chips and The circuit of LM2596T chips composition carries out voltage conversion, by 24V Power converts into 5V power supplys.

Further, the system centre control circuit also include the GSM circuits being connected with cell-phone customer terminal and with calculating The connected RS485 serial port circuits of machine.

Relative to prior art, a kind of household safe protection intelligent radio automatic control system tool described in the utility model There is following advantage：

Intelligent radio automatic control system of the present invention mainly utilizes the two kinds of remote controlled manners in internet and mobile phone, With reference to computer, 2.4GHz, the wireless ZigBee modules of CC2530 of IEEE802.15.4 standards, ATmega16A monolithics will be met Machine, gsm module (GSM) and radio frequency identification module (RFID) composition System Control Center, passes through Wireless ZigBee-network, Internet and GSM network complete remote to household hydroelectric, solenoid valve for gas monitoring nodes and safety-protection system Process control, so as to provide the user a kind of intelligent, flexible, convenient living space；The magnetic valve of system adopts DC24V batteries Power supply, super low-power consumption operation, by control centre team control and the single control of valve body can be remotely carried out, and are truly realized household safe and are prevented Shield automatic control system；Data transmission credibility of the present invention is high, low-power consumption, and low cost, high security can realize household safe The Based Intelligent Control of protection.

Description of the drawings

The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model. In accompanying drawing：

Fig. 1 is the wireless automatic control system entire block diagram described in the utility model embodiment；

Fig. 2 is the system centre control circuit schematic diagram described in the utility model embodiment；

Fig. 3 is the air detection circuit theory diagrams described in the utility model embodiment；

Fig. 4 is the security protection detection circuit theory diagrams described in the utility model embodiment；

Fig. 5 is the valve body control circuit schematic diagram described in the utility model embodiment；

Fig. 6 is the power control circuit schematic diagram described in the utility model embodiment；

Fig. 7 is the system power supply circuit theory diagrams described in the utility model embodiment；

Fig. 8 is the ZigBee technology wireless sensor network structure topological diagram described in the utility model embodiment；

Fig. 9 is the ZigBee-network control flow chart described in the utility model embodiment.

Specific embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can To be mutually combined.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score, The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates Or the device or element of hint indication with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that It is to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating Or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately It is described, " multiple " are meant that two or more.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, can be by concrete condition understanding State concrete meaning of the term in the utility model.

Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.

As shown in figure 1, a kind of household safe protection intelligent radio automatic control system, including system centre control circuit 1, Air detection circuit 2, security protection detection circuit 3, two groups of valve body control circuits 4, power control circuit 5 and system power supply circuits 6；

The system centre control circuit 1 includes that singlechip minimum system circuit, ZigBee communication circuit, RFID identity are known Other circuit and gsm communication circuit, and ZigBee communication circuit, RFID identifications circuit and gsm communication circuit respectively with monolithic Machine minimum system circuit is electrically connected；

The air detection circuit 2 and the security protection detection circuit 3 are electrically connected respectively with singlechip minimum system circuit, institute State singlechip minimum system circuit electric with two groups of valve body control circuits 4, power control circuit 5 respectively by ZigBee communication circuit Connection, two groups of valve body control circuits 4 are respectively used to control water solenoid valve and solenoid valve for gas, and power control circuit 5 is used to control Battery main switch；

The system power supply circuit 6 respectively with system centre control circuit 1, air detection circuit 2, security protection detection circuit 3, Two groups of valve body control circuits 4 and power control circuit 5 are electrically connected；

Gsm module adopts TC35i chips, and it is directly connected by serial UART interface with MCU control centres, MCU controls Center is connected with computer RS485 serial ports, and transmission data is stable, reliable, and real-time is good.

As shown in Fig. 2 the control core of the singlechip minimum system circuit in the system centre control circuit 1 is model For the single-chip microcomputer U1 of ATMEGA16A；

The ZigBee communication circuit includes that the signal of model CC2530 sends chip U2 and signal receiving chip U3, institute The 15th pin for stating signal transmission chip U2 is connected with the 10th pin of signal receiving chip U3, and the signal sends the 9th of chip U2 Pin is connected with the 11st pin of signal receiving chip U3, the signal send the 10th of chip U2 the, the 11st pin respectively with single-chip microcomputer U1 The 9th, the connection of the 10th pin, the signal sends the 1st, the 2nd, the 12nd, the 23rd and the 24th of chip U2 and signal receiving chip U3 Pin is grounded respectively, and the signal sends the 3rd pin of chip U2 and signal receiving chip U3 and connects 5V voltages respectively, and signal sends chip 7th pin of U2 and connect reset circuit respectively with the 7th pin of signal receiving chip U3, the reset circuit includes electricity in parallel Hold, resistance and button, another pin of the resistance connects another pin of 5V voltages, the electric capacity and button and is grounded respectively.

As shown in Fig. 2 the RFID identifications circuit includes the radio frequency chip U4 of model ZLG500, the radio frequency core The pin of 1st, the 2nd and the 3rd of piece U4 is connected respectively with the pin of the 20th, the 19th and the 12nd of single-chip microcomputer U1, and the of the radio frequency chip U4 6th, the pin of the 9th, the 11st and the 14th is grounded respectively, and the 4th pin of radio frequency chip U4 connects 5V voltages, and the pin of the 10th, the 12nd and the 13rd connects antenna, The positive terminal of the 7th pin sending and receiving optical diode of the radio frequency chip U4, the negative pole end ground connection of light emitting diode.

As shown in Fig. 2 single chip computer AT mega16, the device is a high-performance, the single-chip microcomputer of the risc architecture of low-power consumption, Great majority instruction can be completed within a clock cycle, and highest works in 16MHz, the In-System Programmable Flash with 16K, EEPROM and 2 serial line interface of 512 bytes, completes the response to central Control management system and the driving to each module； RFID identification modules adopt chip ZLG500, and it has been internally integrated MFRC500 type ISO14443A card reader, can read and write EEPROM in RC500, because ZLG500 is not to adopt standard SPI interface specification, therefore can only connect with the general purpose I/O of single-chip microcomputer Mouth is connected could realize communication.

As shown in Figure 8 and Figure 9, the system adopt ZigBee module be based on IEEE802.15.4 standards short distance without Line procotol ZigBee technology, ZigBee is a kind of low-speed wireless local area network technology, and it is applied to amount of communication data less, number Relatively low according to transfer rate, distribution is less, but the safe and reliable of data there are certain requirements, and cost and power consumption will Ask very low, and the occasion easily installed and used, it has following features：More flexible working frequency range；Resource to single-chip microcomputer Require relatively low, safe and reliable data transfer, extremely low power consumption, flexible network structure；

In the MAC layer of ZigBee, IEEE802.15.4 standards define two kinds of equipment：Global function node (FFD) and half functional node (RFD), the node in the Internet of ZigBee, ZigBee-network agreement is segmented into four species Type：Coordinator, RN+, RN-, RFD, in fact both definition different levels simply from Zigbee protocol are to network The different instructions of middle equipment；Wherein, the routing algorithm of Coordinator is identical with RN+, Coordinator, RN+ and RN- All it is global function node, routing node can be served as to other nodes；RFD can only serve as the leaf of Cluster-Tree, if treated The destination node for sending data is the neighbours of oneself, and direction communication, terminal ZigBee module is responsible for letter as terminal node Number transmission and each module control.

As shown in figure 3, the air detection circuit 2 is used to detect the concentration of indoor carbon monoxide, the air detection electricity Road 2 includes the gas sensor H of model QM-7B and the twin voltage comparator of model LM393, the gas sensor H's The pin of 1st, the 2nd and the 3rd connects respectively 5V voltages, and the 5th pin of gas sensor H meets the 8th resistance R8, and the 8th resistance R8's is another One pin ground connection, gas sensor H the 4th, the 6th pin short circuit and while connect the 9th resistance R9, the 9th resistance R9's is another One pin be grounded, gas sensor H the 4th, the 6th pin be also connected with the 2nd pin of twin voltage comparator, the 3rd of twin voltage comparator the Pin connects slide rheostat RP, the 4th pin ground connection of twin voltage comparator, the 1st pin connection single-chip microcomputer U1 pipes of twin voltage comparator Pin, and the 1st pin simultaneously the tenth electric capacity C10 of parallel connection and the first LED 1, another pin of the tenth electric capacity C10 connects Ground, another pin of first LED 1 connects the tenth resistance R10, another pin and the twin voltage ratio of the tenth resistance R10 Compared with device the 8th pin short circuit and while connect 5V voltages；

The MQ-7B gas sensors module, for detecting concentration of indoor carbon monoxide, packaged gas sensor has 6 Needle-like pin, wherein 4 for signal taking-up, 2 are used to provide heated current, and 4 pins of sensor are connected to twin voltage 2 pins of comparator LM393, the resistance Rs of sensor surface is the effective voltage on the load resistance R9 by series connection with it What signal VR9 was exported and obtained, physical relationship is Rs/R9=(VCC-VR9)/VR9, has different according to the gas of variable concentrations Resistance, is converted to corresponding voltage signal and is input to twin voltage comparator LM393, exports corresponding TTL low and high levels, Ran Houtong Cross DOUT and be transferred to single-chip microcomputer and processed, R9 potentiometers are directed to TTL output level adjustment of sensitivity, and sensitivity is adjusted clockwise Increase, sensitivity decrease is adjusted counterclockwise, the system sets, when concentration is measured more than setting concentration, single-chip I/O mouth output Low level, LED is bright.

As shown in figure 4, the security protection detection circuit 3 includes the pyroelectric infrared sensor and model of model RE200B The amplifier U5 of BIS0001, the D pin of the pyroelectric infrared sensor connect 5V voltages, and the G pin of pyroelectric infrared sensor connect Ground, the S pin of pyroelectric infrared sensor are connected with the 14th pin of amplifier, and S pin are also parallel with the 18th electric capacity C18 and second Ten resistance C20, another pin of the 18th electric capacity C18 and the 20th resistance C20 is grounded respectively；

3rd pin of the amplifier U5 meets the 12nd resistance R12, and the 4th pin of amplifier U5 is another with the 12nd resistance R12 One pin connects, and another pin of the 12nd resistance R12 is also connected with the 12nd electric capacity C12, the 6th pin connection of the amplifier U5 the 5th pin of 13 resistance R13, amplifier U5 is connected with another pin of the 13rd resistance R13, and the 13rd resistance R13's is another Pin is also connected with the 13rd electric capacity C13, and another pin of the 13rd electric capacity C13 and the 12nd electric capacity C12 is grounded respectively；

The 17th resistance R17, the 16th resistance have been sequentially connected in series between 12nd pin and the 15th pin of the amplifier U5 R16, the 15th electric capacity C15 and the 18th resistance R18, the 13rd pin of amplifier U5 and the 16th resistance R16 and the 17th resistance The tie point connection of R17, the two ends of the 17th resistance R17 are parallel with the 14th electric capacity C14, the 16th pin of amplifier U5 with The tie point connection of the 18th resistance R18 and the 15th electric capacity C15, the two ends of the 18th resistance R18 are parallel with the 16th 15th pin of electric capacity C16, the amplifier U5 is also sequentially connected in series the 19th resistance R19 and the 17th electric capacity C17, and the described 17th Another pin ground connection of electric capacity C17；

The amplifier U5 the 8th, the 11st pin connect 5V voltages, the 9th pin of amplifier U5 meets the 15th resistance R15, described Another pin of the 15th resistance R15 connects 5V voltages, and the 10th pin of the amplifier U5 is grounded by the 14th resistance R14, is amplified The 7th pin ground connection of device U5, the 1st pin order double-pole double throw switch SW1 of amplifier U5.

Infrared human body heat releasing electricity module RE200B is used to detect indoor human body signal, connects with amplifying device BIS0001 Connect, because the output internal resistance of pyroelectric sensor is very big, therefore all conceal what an impedance change was used instead inside it FET, R20 is exactly impedance is constituted together with the source electrode of internal fet to become the source electrode output used instead to follow Device, general resistance takes 47K, and user can need to configure this resistance according to the circuit of oneself, but lack this resistance, internal FET will be unable to work, and inside BISS0001 is programmable operational amplifier, and the resistance R14 being connected with pin 10 is used for The bias current of the internal program control amplifier of control, if selected, resistance is too small, and the power consumption of IC is very big, therefore is typically chosen 1M Ω, resistance R16, R17, R18, R19 decide the gain of internal amplifier, and C14, C16 are used for filtering High-frequency Interference, it is ensured that circuit is steady Fixed work；

The signal that sensor is detected is amplified by 14 pins of source S output to amplifier BIS0001 by internal arithmetic Device OP1 amplifies as the first order, is then exported by pin 16, and Jing after electric capacity C15 couplings 13 pins are transferred to, and is put by internal arithmetic Big device OP2 carries out second level amplification, after the two-way amplitude discrimination processor constituted via internal comparator COP1 and COP2 is processed, Effectively trigger removes triggered time back off timer, exports single-chip microcomputer finally by pin 2 and is processed, when output postpones Between by resistance R13 and electric capacity C13 size adjust, trigger blocking time by resistance R12 and electric capacity C12 size adjust.

As shown in figure 5, the valve body control circuit 4 includes the FET Q3 of PNP triode Q1 and model IRF540, The base stage of the triode Q1 is connected by the 21st resistance R21 with the pin of the signal receiving chip U3 of ZigBee, three poles The colelctor electrode of pipe Q1 connects 5V power supplys, and the emitter stage of triode Q1 is sequentially connected in series the 22nd resistance R22 and the second light emitting diode LED2, the other end ground connection of second LED 2, the 22nd resistance R22 and the second light emitting diode Between LED2 and the 23rd resistance R23 is connected with, another pin of the 23rd resistance R23 is connected with the 1st pin of FET Q3,

The FET Q3 the 3rd pin ground connection, the 2nd pin 24th resistance R24 of parallel connection of the FET Q3 with Commutation diode IN4007, and another pin of the 24th resistance R24 connects 5V voltages, another pin of commutation diode IN4007 connects Another pin of the 25th resistance R25, the 25th resistance R25 connects 5V voltages, and the 2nd pin of the FET Q3 connects magnetic valve The control line of body.

The water, gas valve control unit, by ZigBee wireless receiving module CC2530, drive circuit and water, coal gas Solenoid valve block into.Wireless receiving module is mainly responsible for from terminal ZigBee distance reception control signal, leads to after being processed Pin P1.0 outputs are crossed to driving circuit for electromagnetic valve, the drive of magnetic valve can be just reached after enhancement mode FET IRF540 Streaming current requires, due to water solenoid valve it is identical with the job specification of solenoid valve for gas, therefore using same one drive circuit.

System is powered using battery, and when there is the failures such as power failure, magnetic valve works as usual, and triode Q1 is responsible for control electricity Road break-make, when circuit control signal, LED2 lamps are bright, IRF540 is N-channel enhancement mode fet power transistor, and it is opened It is 4V to open voltage VGS (th), and when VGS is more than cut-in voltage, IRF540 conductings, drive magnetic valve work, IN4007 plays guarantor The effect of protection circuit.In the event of fire or gas leakage, the signal for collecting is transferred in time monolithic by corresponding sensor Machine control centre carries out signal transacting, is then transmitted further to central ZigBee module, and then central ZigBee module sends out data Terminal ZigBee module is sent to, last terminal ZigBee module is transmitted data to corresponding by identification channel and network ID Controlling corresponding electromagnetism valve breakdown, magnetic valve adopts guide electromagnetic valve to ZigBee receiver modules, and during energization, electromagnetic force is first Guide hole is opened, upper chamber's rapid pressure drop, and low high pressure reduction is formed around closure member, and Fluid pressure promotes closure member Move up, valve is opened；During power-off, guide's bore closure, inlet pressure quickly enters chamber and exists spring force by by-pass prot Low high pressure reduction under being formed around valve member is closed, Fluid pressure promotes closure member to move down, closes valve.

As shown in fig. 6, the power control circuit 5 includes NPN type triode Q2 and relay RL1, the triode Q2 Base stage the pin that signal in ZigBee sends chip U2 is connected by the 27th resistance R27, the emitter stage of triode Q2 connects Ground, the collector terminal of triode Q2 connects the positive terminal of backward dioded D1, and the negative pole end of backward dioded D1 connects 5V voltages, The coil of the two ends parallel connection relay RL1 of the backward dioded D1, and the negative pole phase of the positive pole of coil and backward dioded D1 Even, the negative pole of coil is connected with the positive pole of backward dioded D1, and the normally opened contact of relay RL1 connects with the positive pole of battery main switch Connect, the movable contact of relay RL1 is connected with the negative pole of power switch, the normally-closed contact of relay RL1 passes through the 28th resistance R28 connects 5V voltages.

Control end in the power control unit is connected with the P1.6 pins of central authorities ZigBee, and control circuit is adopted NPN type triode amplifying circuit, the electric current at coil two ends is provided by triode, when Single-chip Controlling end is to the base stage of triode When sending low level, triode ON, relay coil has electric current to pass through, relay adhesive, corresponding power switch closure；Phase Instead, when high level is sent in Single-chip Controlling end to the base stage of triode, triode cut-off, relay coil no current passes through, after Electrical equipment disconnects, and power switch disconnects.It is very important to terminate a diode in relay two, it is necessary to connected, because, coil During energization normal work, diode dual circuit does not work.When relay coil power-off can produce in a flash one it is very strong Inverse electromotive force, in relay coil two ends repercussion parallel diode for consuming this inverse electromotive force, if This backward dioded is not added with, inverse electromotive force can be acted directly on driving triode, it is easy to which triode is burnt out into employing Transistor amplifier.

As shown in fig. 7, the system power supply circuit 6 is respectively system centre control circuit 1, air detection circuit 2, security protection Detection 3, two groups of valve body control circuits 4 of circuit and power control circuit 5 are powered, and the system power supply circuit 6 includes IB2405S- The circuit of 2W chip U7 and LM2596T chips U6 compositions carries out voltage conversion, described by 24V Power converts into 5V power supplys 1st pin of IB2405S-2W chips is parallel with successively two electric capacity, voltage-stabiliser tube and adjustable resistances and connects with the positive pole of 24V power supplys simultaneously Connect, the other end of the other end of two electric capacity, the other end of voltage-stabiliser tube and adjustable resistance connect respectively the negative pole of 24V power supplys and while All connect the pin of IB2405S-2W chips the 2nd, IB2405S-2W chips the 3rd, be parallel with two electric capacity successively between the 4th pin, and 4th pin connects 5V voltages, and the 3rd pin ground connection, the 1st pin of LM2596T chips is connected with the 1st pin of IB2405S-2W chips, 1st pin of LM2596T chips, two electric capacity also in parallel, another pin of two electric capacity respectively with LM2596T chips the 3rd, the 5th pin With the connection of the negative pole of 24V power supplys and while ground connection, the 2nd pin of LM2596T chips is parallel with voltage-stabiliser tube and inductance, voltage-stabiliser tube it is another One end is grounded, and the other end of inductance is connected with the pin of LM2596T chips the 4th, and the pin of LM2596T chips the 4th two electric capacity of parallel connection, and two One termination 5V power supplys of individual electric capacity, the other end ground connection of two electric capacity；

The system needs two kinds of voltages of 24V and 5V, and magnetic valve adopts 24V power voltage supplies, but valve body controller, ZigBee Module chip and control centre's single-chip microcomputer are required for 5V to power, and this is accomplished by design 24V and turns 5V circuits, and change-over circuit is adopted IB2405S-2W modules and LM2596T integrated circuits carry out voltage conversion, to reach system power supply requirement.

As shown in figure 8, when the system works, program enters ZigBee-network, and equipment initialization is carried out first, then starts Set up ZigBee nets to fall and register, the new data that terminal node sends is determined whether afterwards, if it has, then directly this number According to control centre's single-chip microcomputer is sent to, judges control centre's single-chip microcomputer whether to have under instruction and pass, if the instruction that then will be passed down Corresponding ZigBee terminal nodes are sent to, judge whether security protection opens, if having robber to invade, if then warning message It is sent to control centre's single-chip microcomputer；Magnetic valve is constantly in automatic control state, detects abnormal conditions, control centre's single-chip microcomputer Control instruction is sent, magnetic valve is turned off.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model Protection domain within.

Claims (10)

1. a kind of household safe protection intelligent radio automatic control system, it is characterised in that：Including system centre control circuit (1), air detection circuit (2), security protection detection circuit (3), two groups of valve body control circuits (4), power control circuit (5) and systems Power supply circuits (6)；

The system centre control circuit (1) is including singlechip minimum system circuit, telecommunication circuit and identification circuit and logical Letter circuit and identification circuit are electrically connected respectively with singlechip minimum system circuit；

The air detection circuit (2) and the security protection detection circuit (3) are electrically connected respectively with singlechip minimum system circuit, institute State singlechip minimum system circuit to be electrically connected with two groups of valve body control circuits (4), power control circuit (5) respectively by telecommunication circuit Connect, two groups of valve body control circuits (4) are respectively used to control water solenoid valve and solenoid valve for gas, power control circuit (5) is for controlling Battery main switch processed；

The system power supply circuit (6) respectively with system centre control circuit (1), air detection circuit (2), security protection detection circuit (3), two groups of valve body control circuits (4) and power control circuit (5) are electrically connected.

2. a kind of household safe protection intelligent radio automatic control system according to claim 1, it is characterised in that：It is described The control core of the singlechip minimum system circuit in system centre control circuit (1) is the single-chip microcomputer of model ATMEGA16A (U1)。

3. a kind of household safe protection intelligent radio automatic control system according to claim 1, it is characterised in that：It is described Telecommunication circuit is ZigBee communication circuit, and the ZigBee communication circuit includes that the signal of model CC2530 sends chip (U2) 10th pin of the 15th pin and signal receiving chip (U3) that send chip (U2) with signal receiving chip (U3), the signal connects Connect, the signal sends the 9th pin of chip (U2) and is connected with the 11st pin of signal receiving chip (U3), and the signal sends chip (U2) the 10th, the 11st pin respectively with single-chip microcomputer (U1) the 9th, the 10th pin be connected, the signal sends chip (U2) and signal The pin of the 1st, the 2nd, the 12nd, the 23rd and the 24th for receiving chip (U3) is grounded respectively, and the signal sends chip (U2) and signal connects The 3rd pin for receiving chip (U3) connects respectively 5V voltages, and signal sends the 7th pin of chip (U2) and with signal receiving chip (U3) the 7 pin connect respectively reset circuit, and the reset circuit includes electric capacity in parallel, resistance and button, another pin of the resistance Another pin for connecing 5V voltages, the electric capacity and button is grounded respectively.

4. a kind of household safe protection intelligent radio automatic control system according to claim 1, it is characterised in that：It is described Identification circuit is RFID identification circuits, and the RFID identifications circuit includes the radio frequency chip of model ZLG500 (U4), the pin of the 1st, the 2nd and the 3rd of the radio frequency chip (U4) is connected respectively with the pin of the 20th, the 19th and the 12nd of single-chip microcomputer (U1), The pin of 6th, the 9th, the 11st and the 14th of the radio frequency chip (U4) is grounded respectively, and the 4th pin of radio frequency chip (U4) connects 5V voltages, the 10th, the 12nd and the 13rd pin connects antenna, the positive terminal of the 7th pin sending and receiving optical diode of the radio frequency chip (U4), light emitting diode Negative pole end ground connection.

5. a kind of household safe protection intelligent radio automatic control system according to claim 1, it is characterised in that：It is described , for detecting the concentration of indoor carbon monoxide, the air detection circuit (2) is including model QM-7B for air detection circuit (2) Gas sensor (H) and model LM393 twin voltage comparator, the pin of the 1st, the 2nd and the 3rd of the gas sensor (H) 5V voltages are connect respectively, and the 5th pin of gas sensor (H) connects the 8th resistance (R8), and another pin of the 8th resistance (R8) connects Ground, gas sensor (H) the 4th, the 6th pin short circuit and while connect the 9th resistance (R9), the 9th resistance (R9) it is another Pin be grounded, gas sensor (H) the 4th, the 6th pin be also connected with the 2nd pin of twin voltage comparator, the 3rd of twin voltage comparator the Pin connection slide rheostat (RP), the 4th pin ground connection of twin voltage comparator, the 1st pin connection single-chip microcomputer of twin voltage comparator (U1) pin, and the 1st pin is while the tenth electric capacity (C10) in parallel and the first light emitting diode (LED1), the tenth electric capacity (C10) Another pin ground connection, another pin of first light emitting diode (LED1) connects the tenth resistance (R10), the tenth resistance (R10) 8th pin short circuit of another pin and twin voltage comparator and while connect 5V voltages.

6. a kind of household safe protection intelligent radio automatic control system according to claim 1, it is characterised in that：It is described Security protection detection circuit (3) includes the pyroelectric infrared sensor of model RE200B and the amplifier (U5) of model BIS0001 The detection circuit of composition, security protection detection circuit is used to detect indoor human body signal.

7. a kind of household safe protection intelligent radio automatic control system according to claim 2, it is characterised in that：It is described Valve body control circuit (4) includes PNP triode (Q1) and the FET (Q3) of model IRF540, the triode (Q1) Base stage is connected by the 21st resistance (R21) with the pin of the signal receiving chip (U3) of ZigBee, the collection of triode (Q1) Electrode connects 5V power supplys, and the emitter stage of triode (Q1) is sequentially connected in series the 22nd resistance (R22) and the second light emitting diode (LED2), the other end ground connection of second light emitting diode (LED2), the 22nd resistance (R22) and second luminous two Between pole pipe (LED2) and it is connected with the 23rd resistance (R23), another pin and the FET (Q3) of the 23rd resistance (R23) The 1st pin connection；

The 3rd pin ground connection of the FET (Q3), the 2nd pin the 24th resistance (R24) of parallel connection of the FET (Q3) 5V voltages are connect with another pin of commutation diode (IN4007), and the 24th resistance (R24), commutation diode (IN4007) Another pin connects the 25th resistance (R25), and another pin of the 25th resistance (R25) connects 5V voltages, the FET (Q3) The 2nd pin connect the control line of electromagnetic valve body.

8. a kind of household safe protection intelligent radio automatic control system according to claim 2, it is characterised in that：It is described Power control circuit (5) includes NPN type triode (Q2) and relay (RL1), and the base stage of the triode (Q2) passes through second Signal sends the pin of chip (U2), the grounded emitter of triode (Q2), triode in 17 resistance (R27) connection ZigBee (Q2) positive terminal of collector terminal connection backward dioded (D1), the negative pole end connection 5V voltages of backward dioded (D1), institute The coil at two ends parallel connection relay (RL1) of backward dioded (D1) is stated, and the positive pole of coil is negative with backward dioded (D1) Extremely it is connected, the negative pole of coil is connected with the positive pole of backward dioded (D1), the normally opened contact and battery main switch of relay (RL1) Positive pole connection, the movable contact of relay (RL1) is connected with the negative pole of power switch, and the normally-closed contact of relay (RL1) passes through 28th resistance (R28) connects 5V voltages.

9. a kind of household safe protection intelligent radio automatic control system according to claim 1, it is characterised in that：It is described System power supply circuit (6) be respectively system centre control circuit (1), air detection circuit (2), security protection detection circuit (3), two groups Valve body control circuit (4) and power control circuit (5) are powered, and the system power supply circuit (6) is including IB2405S-2W chips (U7) and LM2596T chips (U6) composition circuit carry out voltage conversion, by 24V Power converts into 5V power supplys.

10. a kind of household safe protection intelligent radio automatic control system according to claim 1, it is characterised in that：Institute State the RS485 serial ports that system centre control circuit (1) also includes the GSM circuits being connected with cell-phone customer terminal and is connected with computer Circuit.