CN103744408A - Indoor energy efficiency management system - Google Patents
Indoor energy efficiency management system Download PDFInfo
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- CN103744408A CN103744408A CN201410035831.2A CN201410035831A CN103744408A CN 103744408 A CN103744408 A CN 103744408A CN 201410035831 A CN201410035831 A CN 201410035831A CN 103744408 A CN103744408 A CN 103744408A
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Abstract
An indoor energy efficiency management system comprises an upper computer, a control module, a power supply module, an operation panel and a sensor collecting module; the control module comprises a CPU (central processing unit), a communication module, an electric parameter collecting module and an output control module; the operation panel comprises a single chip microcomputer, a display module and a key module; the output control module comprises a driving circuit and an execution device. Each indoor environment parameter is detected by the sensor collecting module, and then the work states of electric appliances such as a lighting loop, an air inlet and exchange system, a central air conditioner fan, a coil and a valve are controlled by the control module according to the detection module, thus achieving the energy-saving aim; the parameters can also be manually input by the operation panel to realize the control on the electric appliances; control on each electric appliance by the upper computer and the energy consumption conditions of each room can be monitored and viewed by the upper computer.
Description
Technical field
The present invention relates to electricity consumption energy efficiency management field, specifically a kind of indoor energy efficiency management system.
Background technology
In places such as office block and office buildings, its indoor energy consumption is mainly illuminator and central air conditioner, often there is some illuminating lamps loop these places indoor, all adopt at present hand switch mode to control, after opening luminous lamp switch, work in indoor a plurality of illuminating lamps loop simultaneously, no matter at cloudy day or fine day, they are all to work under same state, that is to say, a plurality of illuminating lamps are simultaneously bright, can not judge and need to open an illuminating lamp or several illuminating lamp is opened simultaneously according to the power of indoor light, if the colour of sky is somewhat dark, indoor illumination insufficient strength, as long as at this moment turn on a lamp, just can reach needed effect, but people presses after switch, can not make certain lamp be lit, but several lamps are lit simultaneously, this has just caused the waste of the energy, in places such as office buildings, the rotation speed of fan of central air conditioner is just divided into high, normal, basic third gear, and therefore, no matter rotation speed of fan can only be placed on a gear, therefore can not carry out according to parameters such as indoor temperatures the control of air-conditioning draught fan and coil pipe valve, and the air inlet system in office building just adopts simple switch to control, and can not carry out switch ventilation according to the Air Quality in office building.
Summary of the invention
The shortcoming existing in order to overcome above-mentioned prior art, the object of the present invention is to provide a kind of indoor energy efficiency management system that greatly reduces indoor energy consumption.
In order to address the above problem, the present invention is by the following technical solutions: a kind of indoor energy efficiency management system, it comprises illuminator, central air conditioner system and air intake air exchange system, described illuminator comprises some lighting loops, described central air conditioner system comprises coil pipe valve controling circuit and draught fan control circuit, it is characterized in that, it also comprises host computer, control module, power module, guidance panel, illumination acquisition module and indoor environmental quality acquisition module, described control module comprises CPU element, communication module, electrical quantity acquisition module and output control module, described communication module, electrical quantity acquisition module is connected with CPU element respectively with output control module, described guidance panel comprises single-chip microcomputer, display module and key-press module, and display module is connected respectively at single-chip microcomputer with key-press module, described illumination acquisition module is connected with described CPU element, and described indoor environmental quality acquisition module is connected with the single-chip microcomputer of guidance panel, described control module is connected with host computer with described guidance panel respectively by described communication module, described power module is connected with guidance panel, control module, illumination acquisition module and indoor environmental quality acquisition module respectively, for guidance panel, control module, illumination acquisition module and indoor environmental quality acquisition module provide working power, described output control module comprises driving circuit and performer.
Further, described communication module comprises a RS485 communicating circuit, two RS232 communicating circuits and an insulating power supply circuit, described insulating power supply circuit is connected with two RS232 communicating circuits with described RS485 communicating circuit respectively, described control module is connected with guidance panel by a RS232 communicating circuit, by a RS485 communicating circuit, is connected with host computer.
Further, each isolated form RS232 telecommunication circuit of described communication module comprises the first photoelectrical coupler, the second photoelectrical coupler, the first level transferring chip, some electric capacity and some resistance, described CPU element is connected with the input end of described the first photoelectrical coupler, be connected with the output terminal of described the second photoelectrical coupler, the input end of the output terminal of described the first photoelectrical coupler and the second photoelectrical coupler is connected with described the first level transferring chip, and the first level transferring chip is connected with RS232 communication interface; Described isolated form RS485 communicating circuit comprises the 3rd photoelectrical coupler, the 4th photoelectrical coupler, second electrical level conversion chip, triode, some electric capacity and a some resistance, described CPU element is connected with the input end of described the 3rd photoelectrical coupler, be connected with the output terminal of described the 4th photoelectrical coupler, the input end of the output terminal of described the 3rd photoelectrical coupler and the 4th photoelectrical coupler is connected with described second electrical level conversion chip respectively, and second electrical level conversion chip is connected with RS485 communication interface; Described insulating power supply circuit is comprised of power isolation module, a voltage stabilizing chip and two electric capacity, and the output terminal of insulating power supply circuit is connected with second electrical level conversion chip with the first level transferring chip, for it provides working power.
Further, performer in described output control module is some relays, in each lighting loop of illuminator, be connected in series a relay contact switch, respectively central air conditioner system coil pipe valve controling circuit and draught fan control circuit on be connected in series relay contact switch.
Further, described indoor environmental quality acquisition module comprises temperature sensor, humidity sensor, gas concentration lwevel sensor and first signal transport module, described illumination acquisition module comprises illuminance transducer and secondary signal transport module, described illuminance transducer is connected with CPU element by secondary signal transport module, and described temperature sensor, humidity sensor and gas concentration lwevel sensor are connected with the single-chip microcomputer of described guidance panel by first signal transport module respectively.
Further, described first signal transport module and secondary signal transport module include several identical signal circuits, each signal circuit comprises three resistance, two electric capacity, a diode, a photoelectrical coupler and a Schmidt trigger, between the power input INCOM of this circuit and signal input part INPUT after a resistance in parallel, an electric capacity and a diode, power input INCOM is connected on the pin 1 of described photoelectrical coupler, and signal input part INPUT is connected on the pin 2 of described photoelectrical coupler; After drawing a resistance on the pin 4 of described photoelectrical coupler, connect supply voltage, after its pin 3 serial connection one electric capacity, receive the input end of described Schmidt trigger, pin 3 ground connection of described photoelectrical coupler; Described signal input part INPUT is connected in series a resistance.
Further, the driving circuit of described output control module comprises a relay driver, a triode, a photoelectrical coupler, a hand switch, one or gate device and some resistance and some electric capacity, the base stage b of described triode is connected with the CPU element delivery outlet of indoor energy efficiency management terminal, the collector c of triode connects the input end of described photoelectrical coupler, the output terminal of photoelectrical coupler is connected with an input end of described or gate device, or another input end of gate device connects described hand switch; Output terminal described or gate device connects the input end of described relay driver, and the output terminal of relay driver connects the coil of described relay.
Further, described display module comprises LCDs and HT1632 display chip.
Further, described power module comprises the first feed circuit, the second feed circuit and the 3rd feed circuit, described the first feed circuit comprise step-down transformer T2, rectifier bridge Z2, capacitor C D3, capacitor C 102, the first switching regulator IC and output terminal peripheral component thereof, the output terminal peripheral component of the first switching regulator IC comprises sustained diode 16, energy storage inductor L2 and filter capacitor CD4, the output terminal of described step-down transformer T2 connects rectifier bridge Z2 input end, the output terminal of rectifier bridge Z2 is connected on the first switching regulator IC after shunt capacitance CD3 and capacitor C 102 successively, described the second feed circuit comprise voltage dependent resistor (VDR) RDV1, safety capacitor C DX1, common mode choke FDL1, rectifier bridge BRG, switching mode power supply transformer TD5, pwm signal generation circuit, feedback circuit, RCD circuit and switching device N1, and the input end of the second feed circuit successively voltage dependent resistor (VDR) RDV1 in parallel is connected common mode choke FDL1 and rectifier bridge BRG successively with after safety capacitor C DX1, the wiring of rectifier bridge BRG output head anode is connected in series a thermistor RH1, connecting valve power transformer TD5 after an output terminal electrochemical capacitor CD106 in parallel, the pin 3 of switching mode power supply transformer TD5 primary coil is connected RCD circuit with pin 5, the feedback signal of feedback circuit is through pwm signal generation circuit gauge tap device N1, thereby control the power supply of primary coil, in the anodal wiring of the secondary coil of switching mode power supply transformer TD5, be connected in series bipolarity schottky diode rectifying device U9, rectifying device U9 is comprised of two diodes in parallels, at the voltage output end of switching mode power supply transformer TD5, is provided with filtering components and parts, the input end of described the 3rd feed circuit is connected on the output terminal circuit of the second feed circuit, and the 3rd feed circuit comprise second switch voltage stabilizing chip and peripheral component capacitor C D1, capacitor C D2, capacitor C 39, capacitor C 25 and inductance L 5, the input end of described the first feed circuit and the second feed circuit all connects 220V alternating current, the upper serial connection of the input end wiring L fuse FU1 of described the first feed circuit, is connected in series fuse FU2 in the anodal wiring of its output terminal, the upper serial connection of the input end wiring L fuse FU3 of described the second feed circuit, described the second feed circuit also comprise a power light branch road, and described power light branch road is connected to the output terminal of the second feed circuit, comprise a LED and the resistance R D6 that is serially connected in LED anode tap.
Further, described electrical quantity acquisition module comprises current transformer, voltage transformer (VT) and CS5460 electric quantity acquisition chip, described current transformer is connected with CS5460 electric quantity acquisition chip respectively with voltage transformer (VT), and described CS5460 electric quantity acquisition chip is connected with described CPU element.
The invention has the beneficial effects as follows: it detects indoor each environmental parameter by sensor acquisition module, then according to detecting information exchange, cross the duty that control module is controlled the electrical equipment such as lighting loop, air intake air exchange system and central air conditioner fan and coil pipe valve, reached energy-conservation object; It can also pass through the artificial input parameter of guidance panel, realizes the control to electrical appliance; It can also realize the control to indoor each electrical equipment by host computer, and by ipc monitor and the energy consumption of consulting each room.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is described further:
Fig. 1 is system architecture schematic diagram of the present invention;
Fig. 2 is the CPU element circuit diagram of control module of the present invention;
Fig. 3 is sensor acquisition module circuit diagram of the present invention;
Fig. 4 is communication module circuit diagram of the present invention;
Fig. 5 is the insulating power supply circuit diagram of communication module circuit of the present invention;
Fig. 6 is output control module circuit diagram of the present invention;
Fig. 7 is power module circuitry figure of the present invention.
Embodiment
As shown in Figure 1, one embodiment of the invention comprise host computer, control module, power module, guidance panel and the illumination acquisition module being connected with CPU element and the indoor environmental quality acquisition module being connected with the single-chip microcomputer of guidance panel, described control module comprises CPU element, communication module, electrical quantity acquisition module and output control module, and described communication module, electrical quantity acquisition module and output control module are connected with CPU element respectively; Described guidance panel comprises single-chip microcomputer, display module and key-press module, and display module is connected respectively at single-chip microcomputer with key-press module; Described control module is connected with described host computer with described guidance panel by described communication module respectively, and described power module is connected with control module respectively at guidance panel, for guidance panel and control module provide working power; Described output control module comprises driving circuit and performer, and described CPU element is sent driving signal to described driving circuit, and driving circuit drives described performer work.Described illumination acquisition module comprises illuminance transducer and secondary signal transport module, described indoor environment acquisition module comprises temperature sensor, humidity sensor, gas concentration lwevel sensor and first signal transport module, described illuminance transducer is connected with CPU element by the second transport module, and the single-chip microcomputer respectively at described guidance panel is connected by first signal transport module for described temperature sensor, humidity sensor and gas concentration lwevel sensor; Described display module comprises LCDs and HT1632 display chip.
As shown in Figure 2, CPU element comprises STM32F103VBT6 single-chip microcomputer, clock circuit, house dog, download debugging interface etc.The core of STM32F103VBT6 single-chip microcomputer for controlling, this chip is used the RISC kernel of high performance ARMCortex-M332 position, frequency of operation is 72MHz, built-in high-speed memory (up to the flash memory of 128K byte and the SRAM of 20K byte), abundant enhancing I/O port and the peripheral hardware that is connected to two APB buses.The device of all models all comprises the ADC of 2 12,3 general 16 bit timing devices and a PWM timer, also comprises standard and advanced communication interface: reach 2 I2C and SPI, 3 USART, a USB and a CAN.Can work in the temperature range of-40 ℃ to+105 ℃, supply voltage 2.0V to 3.6V, a series of battery saving mode guarantees the requirement of low-power consumption application.This chip is the paster packing forms of 100 pin, has only simply drawn this chip schematic diagram in Fig. 2.
R1, OCS1, C1, C2 form crystal oscillating circuit, for STM32F103VBT6 single-chip microcomputer provides the oscillator signal of 8M, by the PLL in STM32F103VBT6 single-chip microcomputer, make the 72MHz that is operated in of STM32F103VBT6 single-chip microcomputer;
LB1, C3, C4, C5, RX1, R20, R20 form LC power filter circuit, and this circuit provides mimic channel working power and the reference signal of low ripple.Wherein LB1 is inductance, and RX1 is absorbing resistor, and resistance R 20 and resistance R 29 play insulation blocking effect.
R31, C6, D1, R32 form automatic power-on reset circuit, electric delay in R31, C6 formation wherein, and D1 is fly-wheel diode, R32 is current-limiting resistance, shields.
U27 is watchdog chip, and this chip is MAX6823 chip, mainly power supply is detected with CPU duty and is monitored, occurs extremely automatically resetting, and guarantees the safe operation of single-chip microcomputer.
R53, R54, R55, R56, R57, P2 are debug i/f circuit, and this circuit is connected with STM32F103VBT6 single-chip microcomputer, realizes online programming and monitoring.
U5 is that clock chip DS3231. is connected with STM32F103VBT6 single-chip microcomputer by II2C bus, and for system provides high-precision clock information, assurance system is by time operation, and R120, R121 are pull-up resistor.BT1 is the lithium battery of 3.6V, guarantees under system cut-off state the operation of clock chip.
As shown in Figure 3, signal transmission module comprises three identical signal circuits, below Yi Yi road circuit be that example is introduced, in other two circuit shown in Fig. 3, the parameter of all components and parts is identical with function Jun Yugai road circuit.
Between power input INCOM and signal input part INPUT00 after an in parallel resistance R 85, a capacitor C 27 and a diode D4, power input INCOM is connected on the pin 1 of photoelectrical coupler U35, and signal input part INPUT00 is connected on the pin 2 of photoelectrical coupler U35; After drawing a resistance R 104 on the pin 4 of photoelectrical coupler U35, meet supply voltage 3V, its pin 3 serial connection one capacitor C input end of receiving Schmidt trigger U11C after 90s, pin 3 ground connection of described photoelectrical coupler U35; Signal input part INPUT00 is connected in series a resistance R 27; External input power+12V after the power input INCOM of 3 same signal transmission circuits is connected.
In this circuit, the input signal of a sensor connects all the other sensors of signal input part INPUT00(can be connected on INPUT01 and INPUT02 end), R72 is the resistance of paster 2010 encapsulation, its resistance is 2K ohm, this resistance is current limliting dropping resistor, and R85 is the resistance of paster 0805 encapsulation, and its resistance is 2K ohm, this resistance role is divider resistance, in order to guarantee that the voltage of photoelectrical coupler U35 pin 1 and pin 2 keeps stable.C27 is filter capacitor.D4 is diode, the reverse voltage at protection photoelectrical coupler U35 two ends.Photoelectrical coupler U35 is preferably TLP181 photoelectrical coupler, and its effect is to transmit input signal, once there be input signal, light emitting diode conducting in photoelectrical coupler U35, at this moment pin 3 and pin 4 conductings, R104 is pull-up resistor, guarantees the fan-out capability of pin 3.C90 is secondary filter capacitor, eliminates the abnormal signal that photoelectrical coupler U35 passes over.U11 is that Schmidt trigger CD4093. carries out shaping the signal of accepting, and guarantees that waveform is the Transistor-Transistor Logic level of standard.
As shown in Figure 4 and Figure 5, communication module comprises isolated form RS232 telecommunication circuit A1 and the A2 that 2 tunnels are identical, 1 road isolated form RS485 communicating circuit A3 and insulating power supply circuit, insulating power supply circuit is connected with two RS232 communicating circuits with described RS485 communicating circuit A3 respectively, for it provides working power T-VCC, described control module is connected with guidance panel by RS232 communicating circuit A1, by RS485 communicating circuit, A3 is connected with host computer, one end of another road RS232 communicating circuit A2 is connected with the single-chip microcomputer of guidance panel, when needs carry out scene adjustment parameter, use the interface of this RS232 communicating circuit A2 to carry out external parameter adjustment terminal, components and parts in two isolated form RS232 telecommunication circuits and configure identical, the isolated form RS232 telecommunication circuit A1 of take is below example, the structural principle of isolated form RS232 telecommunication circuit is described: in circuit, the first photoelectrical coupler UR2 and the second photoelectrical coupler UR1 are PS9121 chip, after drawing a resistance R U117 on the input end pin 1 of described the first photoelectrical coupler UR2, connect 3.3V power supply, RU117 is 1 kilohm of resistance, the input end pin 2 of UR2 connects the TXD1 pin of single-chip microcomputer STM32F103VBT6 of the CPU element of control module, output terminal pin 3 ground connection of UR2, the output terminal pin 4 of UR2 is connected with the T2IN pin of the first level transferring chip U17, the output terminal pin 5 of UR2 meets the output terminal T-VCC of insulating power supply circuit, pin 3 at UR2 is connected a capacitor C U104 with 4 of pins, its capacitance is 0.1 μ F, pin 4 at UR2 is connected a resistance R U116 with 5 of pins, its resistance is 1 kilohm, the communication data that the single-chip microcomputer STM32F103VBT6 of control module sends is sent to U17 by UR2 chip, the input end pin 1 of described the second photoelectrical coupler UR1 meets the output terminal T-VCC of insulating power supply circuit, its input end pin 2 connects the R2OUT pin of the first level transferring chip U17, output terminal pin 3 ground connection of described the second photoelectrical coupler UR1, the pin 4 of UR1 is connected with the RXD1 pin of the single-chip microcomputer STM32F103VBT6 of control module, the pin 5 of UR1 connects 3.3V power supply, pin 3 at UR1 is connected a capacitor C U103 with 4 of pins, its capacitance is 0.1 μ F, pin 4 at UR1 is connected a resistance R U102 with 5 of pins, its resistance is 1 kilohm, the single-chip microcomputer STM32F103VBT6 of control module receives the communication data of U17 by UR1 chip, RU117 and RU103 are current-limiting resistance, restriction enters the transmission electric current of the emitting diode of photoelectrical coupler UR2 and UR1, realize low power dissipation design, RU116 and CU104 form filtering circuit, wherein RU116 is pull-up resistor, CU104 is filter capacitor, eliminates other signals that photoelectrical coupler UR2 and UR1 transmit, the T2OUT pin of described the first level transferring chip U17 and R2IN pin connect respectively TX1 pin and the RX1 pin of RS232, described the first level transferring chip U17 is MAX232 level transferring chip, this chip is realized Transistor-Transistor Logic level and is converted to RS232 bus level, between its pin C1+ and C1-, be connected an electric capacity M3, between its pin C2+ and C2-, be connected an electric capacity M7, its VDD pin is all connected with the output terminal T-VCC of insulating power supply circuit with VCC pin, VDD pin is connected in series an electric capacity M1, VCC pin is connected in series ground connection after an electric capacity M5, its VEE pin is connected in series ground connection after an electric capacity M9, electric capacity M3, M7, for level transferring chip charge pump provides storage capacitor, its capacitance is 0.1 μ F, electric capacity M1, M5, M9 is filter capacitor, the high frequency noise that this device of filtering produces and prevent that the noise that power supply carries forms and disturbs circuit, its capacitance is 0.1 μ F.
Described isolated form RS485 communicating circuit A3 comprises the 3rd photoelectrical coupler U50, the 4th photoelectrical coupler U49, second electrical level conversion chip U28, a triode QX1, some electric capacity and some resistance, described second electrical level conversion chip U28 is SP3485 chip, after drawing a resistance R 117 on the input end pin 1 of the 3rd photoelectrical coupler U50 of described isolated form RS485 communicating circuit, connect 3.3V power supply, the resistance of R117 is 1 kilohm, the input end pin 2 of U50 connects the TXD3 pin of the single-chip microcomputer STM32F103VBT6 of control module, output terminal pin 3 ground connection of U50, the output terminal pin 4 of U50 is connected with the DI pin of second electrical level conversion chip U28, the output terminal pin 5 of U50 meets the output terminal T-VCC of insulating power supply circuit, pin 3 at U50 is connected a capacitor C 104 with 4 of pins, pin 4 at U50 is connected a resistance R 116 with 5 of pins, wherein R116 is that pull-up resistor resistance is 1 kilohm, C104 is filter capacitor, capacitance is 0.1 μ F, eliminate the undesired signal that photoelectrical coupler U50 transmits, on the input end pin 1 of described the 4th photoelectrical coupler U49, draw the output terminal T-VCC that connects insulating power supply circuit after a resistance R 103, the input end pin 2 of U49 connects the RO pin of second electrical level conversion chip U28, output terminal pin 3 ground connection of described the 4th photoelectrical coupler U49, the pin 4 of U49 is connected with the RXD3 pin of the single-chip microcomputer STM32F103VBT6 of control module, the pin 5 of U49 connects 3.3V power supply, pin 3 at U49 is connected a capacitor C 103 with 4 of pins, at 5 of pin 4 and the pins of U49, is connected a resistance R 102, the base stage b of described triode QX1 is connected with the DI pin of second electrical level conversion chip U28 after being connected in series a resistance R C103, the RE of second electrical level conversion chip U28 is connected with the collector c of described triode QX1 with DE pin, after collector c connection serial connection one resistance R C104, meet the output terminal T-VCC of insulating power supply circuit, the emitter e ground connection of triode QX1, RC103, QX1, RC104 form sending controling circuit, the transmission of control chip U28 and receive status, A and B pin at second electrical level conversion chip U28 are connected in series respectively resistance R 67 and a R70, between A and B pin, be connected after a resistance R 69 afterwards, between A and B pin, be connected a protection device VSD1 again, VSD1 is RS485 bus protection device, and effect is protection U28, and VSD1 is comprised of two diodes in parallel, the plus earth of two diodes, the anode of two diodes is connected with B pin respectively at the A of second electrical level conversion chip U28, and afterwards, A is connected with RS485 communication interface with B pin.
Insulating power supply circuit is as shown in Figure 5 comprised of power isolation module Z1, voltage stabilizing chip T1, capacitor C 23 and a capacitor C 24, wherein Z1 is power isolation module 05S051W, T1 is voltage stabilizing chip LM1117-3.3V, the output terminal T-VCC of insulating power supply circuit and 2 road isolated form RS232 telecommunication circuits are connected with level transferring chip U17, U18 in 1 road isolated form RS485 communicating circuit and the power end of U28, for it provides working power.
As shown in Figure 6, the driving circuit that output control module comprises comprises four identical signal control circuit B1-B4 of first half, a relay-operated controller and four performers, this performer is relay, in actual use, performer may be more than four, for example, in each indoor lighting loop, be connected in series a relay contact switch, in the loop of the coil pipe valve of air conditioner, be connected in series a relay contact switch, in high, normal, basic three gear loops of draught fan control circuit, be connected in series respectively a relay contact switch, so both can realize illuminator, the control of air-conditioning system and air exchange system.Yi Yi road signal control circuit B1 and a corresponding relay J 1 thereof are example below, the principle of this control signal input circuit is described: signal control circuit A1 comprises a triode Q1, a photoelectrical coupler U8, a hand switch S1, one or gate device U1, resistance R 2, R33 and R21, capacitor C 7; The collector c of triode Q1 is connected with the input end pin 2 of described photoelectrical coupler U8, its emitter e ground connection, and base stage b is connected with the single-chip microcomputer delivery outlet PD0 in control module CPU element; The input end pin 1 of described photoelectrical coupler U8 connects 3.3V power supply, and its output terminal pin 3 connects the rear ground connection of a drop-down resistance R 33; One end of described hand switch S1 connects the earth terminal of described pull down resistor R33, the other end of hand switch S1 with or an input end of gate device U1 be connected; The output terminal pin 4 of photoelectrical coupler U8 connects 5V power supply, connects a capacitor C 7 between its output terminal pin 3 and 4, output terminal pin 3 with or another input end of gate device U1 be connected.
Or the output terminal of gate device U1 is connected with IN2 with the input end pin IN1 of relay driver U5, after the output terminal pin OUT1 of relay driver U5 and OUT2 parallel connection, be connected to the coil of relay J 1, after the electric shock of relay J 1 is in parallel with capacitor C z1, be serially connected in electrical appliance (as illuminating lamp) loop.
Automatic control signal is sent by control module, signal carries out exclusive disjunction with manual ringing by 74HC32 digit chip U1 after photoelectrical coupler U8 isolation, after computing, signal is sent to ULN2803 relay driver chip U5, drive relay J 1 to export, thereby control the shutoff conducting in electrical appliance loop.Once automatic control unit cannot normally be worked, signal can not send pilot relay automatically, can switch to manual ringing pattern, presses hand switch S1.
As shown in Figure 7, power module comprises the first feed circuit C1, the second feed circuit C2 and the 3rd feed circuit C3, described the first feed circuit C1 comprises step-down transformer T2, rectifier bridge Z2, capacitor C D3, capacitor C 102, the first switching regulator IC LM2576-3.3 and output terminal peripheral component thereof, the output terminal peripheral components of the first switching regulator IC LM2576-3.3 comprises sustained diode 16, energy storage inductor L2 and filter capacitor CD4, the output terminal of described step-down transformer T2 connects rectifier bridge Z2 input end, the parameter of step-down transformer T2 is 220V/5V5W, power supply is after step-down transformer step-down, again through rectifier bridge Z2, alternating current is become to direct current, the output terminal of rectifier bridge Z2 is connected on the first switching regulator IC LM2576-3.3 after shunt capacitance CD3 and capacitor C 102 successively, CD3, C102 is filter capacitor, play the object of burning voltage, this circuit is finally exported 3.3V voltage, and the CPU element that is mainly control module is powered, and on the input end wiring L of the first feed circuit C1, is connected in series fuse FU1, in the anodal wiring of its output terminal, be connected in series fuse FU2, FU1, FU2, for from recovering fuse, plays overcurrent, overload protective function.
Described the second feed circuit C2 comprises voltage dependent resistor (VDR) RDV1, safety capacitor C DX1, common mode choke FDL1, rectifier bridge BRG, switching mode power supply transformer TD5, pwm signal generation circuit, feedback circuit, RCD circuit and switching device N1, on the input end wiring L of described the second feed circuit C2, be also connected in series fuse FU3, the input end of the second feed circuit C2 successively voltage dependent resistor (VDR) RDV1 in parallel is connected common mode choke FDL1 and rectifier bridge BRG successively with after safety capacitor C DX1, rectifier bridge BRG output terminal connecting valve power transformer TD5, in the anodal wiring of switching mode power supply transformer TD5 secondary coil, be connected in series bipolarity schottky diode rectifying device U9, it is comprised of two diodes in parallels, voltage output end at switching mode power supply transformer TD5 is provided with electric capacity DC2, electric capacity DC3, inductance L D1, electric capacity DC4, electric capacity DC5 and resistance R D7, electric capacity DC2 wherein, electric capacity DC3, inductance L D1, electric capacity DC4 and electric capacity DC5 strobe, resistance R D7 is fictitious load, prevent unloaded self-oscillation, electric current is exported by rectification and filtering fast from the secondary coil of switching mode power supply transformer TD5, the burning voltage of final output 12V, sensor acquisition module and guidance panel power supply for indoor energy efficiency management system.
In Fig. 7, switching mode power supply transformer TD5 is EE30 magnetic core switching mode power supply transformer, and for this power supply energy transmits core component, its pin 3,5 is primary coil; Pin 1,2 is feedback excitation coil; Pin 9,7 is secondary coil; RCD circuit consists of resistance R D104, capacitor C D108, diode D101, and it can eliminate the spike that N1 switch causes, N1 is high-voltage MOS pipe, plays the power supply of control coil, and this metal-oxide-semiconductor is controlled by self-excitation pwm signal generation circuit and feedback circuit; Resistance R D103 is starting resistance, for switching device N1 starts, provides energy.Resistance R D8 is protective resistance, restriction running current.Wherein triode N102, voltage stabilizing diode ZD102, resistance R D107, resistance R D108, diode D103, resistance R D109, capacitor C D102, resistance R D105, capacitor C D110 form pwm signal generation circuit, and wherein triode N102 works to strengthen driving force.Voltage stabilizing diode ZD102, resistance R D107 form voltage of voltage regulation, shield; Resistance R D108, diode D103, resistance R D109, capacitor C D102 form oscillating circuit, produce pwm signal; Resistance R D105, capacitor C D110 form filtering circuit, eliminate the clutter of metal-oxide-semiconductor N1 gate leve; Resistance R D1, resistance R D2, variable resistor VR1, resistance R D3, resistance R D4, resistance R D5, capacitor C D7, voltage regulation unit ICD1, photo-coupler PC1 form feedback circuit, once there is deviation in output voltage, feedback signal changes, adjust in time pwm signal width, guarantee burning voltage, wherein resistance R D1, resistance R D2, variable resistor VR1 form step-down Acquisition Circuit.Capacitor C D7, resistance R D2 form filtering circuit, eliminate the clutter of feedback circuit, and PC1 is photoelectrical coupler, realizes the isolation transmission of feedback signal.Described the second feed circuit C2 also comprises a power light branch road, and described power light branch road is connected to the output terminal of the second feed circuit C2, comprises a LED and the resistance R D6 that is serially connected in LED anode tap.
The input end of described the 3rd feed circuit C3 is connected on the output terminal circuit of the second feed circuit C2, the 3rd feed circuit C3 comprises second switch voltage stabilizing chip LM2576-5V and peripheral component capacitor C D1, capacitor C D2, capacitor C 39, capacitor C 25 and inductance L 5, form stable 5V Voltage-output, it is converted to 5V power supply the 12V power supply of the second feed circuit C2 output, is other module for power supply of indoor energy efficiency management system; The input end of described the first feed circuit C1 and the second feed circuit C2 all connects 220V alternating current.
The principle of work of this system is: gas concentration lwevel sensor, temperature sensor and humidity sensor etc. are after collecting the parameter of indoor environment, by first signal transport module, be sent to the single-chip microcomputer in guidance panel, the illumination intensity signal of illuminance transducer collection is sent to the CPU element of control module through secondary signal transport module, single-chip microcomputer in guidance panel can be presented at the detected parameters of gas concentration lwevel sensor, temperature sensor and humidity sensor in LCDs, and this parameter is sent to the CPU element of control module by communication module.CPU element is the signal of each sensor by analysis, to output control module, send control signal, for example, according to indoor illumination intensity, several lighting loops are connected in judgement, according to indoor carbon dioxide concentration, judge whether to open air intake air exchange system, according to the rotating speed of temperature judgement blower fan, should connect high-grade or low-grade, and the opening and closing of fan coil valve.Key-press module on guidance panel is for the display operation of artificial input parameter and display module.
This system also has electrical quantity acquisition module, on each electricity consumption loop, be provided with current transformer and voltage transformer (VT), monitor in real time the electricity consumption situation in each loop, and monitor message is uploaded to host computer by communication module, thereby can check by host computer the electricity consumption situation in each room, this system can also be accepted the operational order of host computer, carries out Long-distance Control, and central air conditioner system, air intake air exchange system and lamp system are controlled.
The above is the preferred embodiment of the present invention, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications are also regarded as protection scope of the present invention.
Claims (10)
1. an indoor energy efficiency management system, it comprises illuminator, central air conditioner system and air intake air exchange system, described illuminator comprises some lighting loops, described central air conditioner system comprises coil pipe valve controling circuit and draught fan control circuit, it is characterized in that, it also comprises host computer, control module, power module, guidance panel, illumination acquisition module and indoor environmental quality acquisition module, described control module comprises CPU element, communication module, electrical quantity acquisition module and output control module, described communication module, electrical quantity acquisition module is connected with CPU element respectively with output control module, described guidance panel comprises single-chip microcomputer, display module and key-press module, and display module is connected respectively at single-chip microcomputer with key-press module, described illumination acquisition module is connected with described CPU element, and described indoor environmental quality acquisition module is connected with the single-chip microcomputer of guidance panel, described control module is connected with host computer with described guidance panel respectively by described communication module, described power module is connected with guidance panel, control module, illumination acquisition module and indoor environmental quality acquisition module respectively, for guidance panel, control module, illumination acquisition module and indoor environmental quality acquisition module provide working power, described output control module comprises driving circuit and performer.
2. indoor energy efficiency management system according to claim 1, it is characterized in that, described communication module comprises a RS485 communicating circuit, two RS232 communicating circuits and an insulating power supply circuit, described insulating power supply circuit is connected with two RS232 communicating circuits with described RS485 communicating circuit respectively, described control module is connected with guidance panel by a RS232 communicating circuit, by a RS485 communicating circuit, is connected with host computer.
3. indoor energy efficiency management system according to claim 2, it is characterized in that, each isolated form RS232 telecommunication circuit of described communication module comprises the first photoelectrical coupler, the second photoelectrical coupler, the first level transferring chip, some electric capacity and some resistance, described CPU element is connected with the input end of described the first photoelectrical coupler, be connected with the output terminal of described the second photoelectrical coupler, the input end of the output terminal of described the first photoelectrical coupler and the second photoelectrical coupler is connected with described the first level transferring chip, the first level transferring chip is connected with RS232 communication interface, described isolated form RS485 communicating circuit comprises the 3rd photoelectrical coupler, the 4th photoelectrical coupler, second electrical level conversion chip, triode, some electric capacity and a some resistance, described CPU element is connected with the input end of described the 3rd photoelectrical coupler, be connected with the output terminal of described the 4th photoelectrical coupler, the input end of the output terminal of described the 3rd photoelectrical coupler and the 4th photoelectrical coupler is connected with described second electrical level conversion chip respectively, and second electrical level conversion chip is connected with RS485 communication interface, described insulating power supply circuit is comprised of power isolation module, a voltage stabilizing chip and two electric capacity, and the output terminal of insulating power supply circuit is connected with second electrical level conversion chip with the first level transferring chip, for it provides working power.
4. indoor energy efficiency management system according to claim 1, it is characterized in that, performer in described output control module is some relays, in each lighting loop of illuminator, be connected in series a relay contact switch, respectively central air conditioner system coil pipe valve controling circuit and draught fan control circuit on be connected in series relay contact switch.
5. indoor energy efficiency management system according to claim 1, it is characterized in that, described indoor environmental quality acquisition module comprises temperature sensor, humidity sensor, gas concentration lwevel sensor and first signal transport module, described illumination acquisition module comprises illuminance transducer and secondary signal transport module, described illuminance transducer is connected with CPU element by secondary signal transport module, and described temperature sensor, humidity sensor and gas concentration lwevel sensor are connected with the single-chip microcomputer of described guidance panel by first signal transport module respectively.
6. indoor energy efficiency management system according to claim 5, it is characterized in that, described first signal transport module and secondary signal transport module include several identical signal circuits, each signal circuit comprises three resistance, two electric capacity, a diode, a photoelectrical coupler and a Schmidt trigger, a resistance in parallel between the power input INCOM of this circuit and signal input part INPUT, after an electric capacity and a diode, power input INCOM is connected on the pin 1 of described photoelectrical coupler, signal input part INPUT is connected on the pin 2 of described photoelectrical coupler, the pin 4 of described photoelectrical coupler is received the input end of described Schmidt trigger, and on connect supply voltage after drawing a resistance, after its pin 3 serial connection one electric capacity, connect the pin 4 of photoelectrical coupler, pin 3 ground connection of described photoelectrical coupler, described signal input part INPUT is connected in series a resistance.
7. indoor energy efficiency management system according to claim 1, it is characterized in that, the driving circuit of described output control module comprises a relay driver, a triode, a photoelectrical coupler, a hand switch, one or gate device and some resistance and some electric capacity, the base stage b of described triode is connected with the CPU element delivery outlet of indoor energy efficiency management terminal, the collector c of triode connects the input end of described photoelectrical coupler, the output terminal of photoelectrical coupler is connected with an input end of described or gate device, or another input end of gate device connects described hand switch, output terminal described or gate device connects the input end of described relay driver, and the output terminal of relay driver connects the coil of described relay.
8. indoor energy efficiency management system according to claim 1, is characterized in that, described display module comprises LCDs and HT1632 display chip.
9. indoor energy efficiency management system according to claim 1, it is characterized in that, described power module comprises the first feed circuit, the second feed circuit and the 3rd feed circuit, described the first feed circuit comprise step-down transformer T2, rectifier bridge Z2, capacitor C D3, capacitor C 102, the first switching regulator IC and output terminal peripheral component thereof, the output terminal peripheral component of the first switching regulator IC comprises sustained diode 16, energy storage inductor L2 and filter capacitor CD4, the output terminal of described step-down transformer T2 connects rectifier bridge Z2 input end, the output terminal of rectifier bridge Z2 is connected on the first switching regulator IC after shunt capacitance CD3 and capacitor C 102 successively, described the second feed circuit comprise voltage dependent resistor (VDR) RDV1, safety capacitor C DX1, common mode choke FDL1, rectifier bridge BRG, switching mode power supply transformer TD5, pwm signal generation circuit, feedback circuit, RCD circuit and switching device N1, and the input end of the second feed circuit successively voltage dependent resistor (VDR) RDV1 in parallel is connected common mode choke FDL1 and rectifier bridge BRG successively with after safety capacitor C DX1, the wiring of rectifier bridge BRG output head anode is connected in series a thermistor RH1, connecting valve power transformer TD5 after an output terminal electrochemical capacitor CD106 in parallel, the pin 3 of switching mode power supply transformer TD5 primary coil is connected RCD circuit with pin 5, the feedback signal of feedback circuit is through pwm signal generation circuit gauge tap device N1, thereby control the power supply of primary coil, in the anodal wiring of the secondary coil of switching mode power supply transformer TD5, be connected in series bipolarity schottky diode rectifying device U9, at the voltage output end of switching mode power supply transformer TD5, be provided with filtering components and parts, the input end of described the 3rd feed circuit is connected on the output terminal circuit of the second feed circuit, and the 3rd feed circuit comprise second switch voltage stabilizing chip and peripheral component capacitor C D1, capacitor C D2, capacitor C 39, capacitor C 25 and inductance L 5, the input end of described the first feed circuit and the second feed circuit all connects 220V alternating current, the upper serial connection of the input end wiring L fuse FU1 of described the first feed circuit, is connected in series fuse FU2 in the anodal wiring of its output terminal, the upper serial connection of the input end wiring L fuse FU3 of described the second feed circuit, described the second feed circuit also comprise a power light branch road, and described power light branch road is connected to the output terminal of the second feed circuit, comprise a LED and the resistance R D6 that is serially connected in LED anode tap.
10. indoor energy efficiency management system according to claim 1, it is characterized in that, described electrical quantity acquisition module comprises current transformer, voltage transformer (VT) and CS5460 electric quantity acquisition chip, described current transformer is connected with CS5460 electric quantity acquisition chip respectively with voltage transformer (VT), and described CS5460 electric quantity acquisition chip is connected with described CPU element.
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