CN102255317A - Earthquake alarm household electronic power saver - Google Patents
Earthquake alarm household electronic power saver Download PDFInfo
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- CN102255317A CN102255317A CN2011101775225A CN201110177522A CN102255317A CN 102255317 A CN102255317 A CN 102255317A CN 2011101775225 A CN2011101775225 A CN 2011101775225A CN 201110177522 A CN201110177522 A CN 201110177522A CN 102255317 A CN102255317 A CN 102255317A
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Abstract
The invention discloses an earthquake alarm household electronic power saver. The earthquake alarm household electronic power saver comprises a household power saver and an earthquake alarm, which are integrated into a whole, wherein the household power saver comprises a power saver control unit 1, an alternating current signal acquisition unit, an alternating voltage signal acquisition unit and a capacitance compensation execution unit; the alternating current signal acquisition unit, the alternating voltage signal acquisition unit and the capacitance compensation execution unit access the power saver control unit 1; the earthquake alarm comprises an earthquake signal control unit 2, a sensor unit, a data storage unit, a shifting register unit, a digital tube display unit, a key setting unit, an acoustic alarm unit and an optical alarm unit; and the sensor unit, the data storage unit, the shifting register unit, the digital tube display unit, the key setting unit, the acoustic-alarm unit and the optical alarm unit access the earthquake signal control unit 2. The earthquake alarm household electronic power saver has the advantages that: the power factor of household electricity can be effectively improved; reactive power is detected intelligently in real time; automatic compensation is realized, so the aim of saving electricity is fulfilled; earthquake early warning can be effectively realized; and emergency early warning capacity for earthquake disasters is improved.
Description
Technical field
The present invention relates to the domestic electronic devices field, be specially a kind of earthquake alarm household electronic electricity-saving appliance.
Background technology
Family's electricity-saving appliance of selling on the current market all is with the building-out capacitor parallel connection of a constant volume on the line basically, and does not judge whether need compensation on the circuit, compensation what.The inductive load that family uses all is interrupted the use as domestic air conditioning, refrigerator, washing machine, smoke exhaust ventilator, electromagnetic oven etc., if when circuit does not need to compensate and carry out overcompensation, will make load become capacitive load, equally also can consume idle work.Simultaneously current crustal plate enters active period, cause earthquake take place frequently, in popular anxiety, analyze by relevant department, what cause the earthquake major casualty is the S ripple.The earthquake pre-warning device early warning effect of prior art is relatively poor, can't effectively ensure people's personal safety and property safety.
Summary of the invention
The object of the invention provides a kind of earthquake alarm household electronic electricity-saving appliance, can't judge to solve prior art family electricity-saving appliance whether circuit needs the problem that compensates, and the propagation speed differential between P ripple and the S ripple when utilizing earthquake to take place, with the realization earthquake pre-warning.
In order to achieve the above object, the technical solution adopted in the present invention is:
Earthquake alarm household electronic electricity-saving appliance is characterized in that: include the family's electricity-saving appliance and the earthquake Alarm that become one;
Described family electricity-saving appliance includes control unit one, the ac current signal collecting unit, the voltage signal acquisition unit, the capacitance compensation unit, control unit one comprises that model is the single-chip microcomputer of AT89C4051, the VPP pin of described single-chip microcomputer passes through grounding through resistance, the VCC pin connects outside+5V power supply, and be connected to electric capacity between VPP pin and the VCC pin, be connected to crystal oscillating circuit between the XTAL1 pin of single-chip microcomputer and the XTAL2 pin, the GND pin ground connection of single-chip microcomputer, the P1.0 pin is by diode ground connection, the P1.0 pin also connects external power source by resistance, the output of described ac current signal collecting unit inserts the P1.1 pin of single-chip microcomputer, the output of voltage signal acquisition unit connects the P1.2 pin of single-chip microcomputer, the P1.6 pin of single-chip microcomputer, the P1.7 pin is connected to the capacitance compensation unit respectively;
Described ac current signal collecting unit comprises that model is the one pole Hall element of AH3144E, described one pole Hall element is by detecting the changes of magnetic field of whether sensing electric current in the alternating current circuit in " C " type magnet ring, with the P1.1 pin signal of single-chip microcomputer drop-down from high potential be low level, impel single-chip microcomputer internal comparator output P3.6 to reverse;
Described voltage signal acquisition unit comprises that model is the optical coupler of PC817, described optical coupler two inputs insert in the household electricity circuit by diode respectively, and the diode direction of optical coupler two inputs is opposite, also be connected to another voltage stabilizing didoe between optical coupler two inputs, output head grounding of described optical coupler, another output is connected with the P1.2 pin of single-chip microcomputer, and the output that optical coupler is connected with single-chip microcomputer P1.2 pin also connects outside+5V power supply by pull-up resistor;
Described capacitance compensation unit comprises two triodes, the emitter of two triodes is ground connection respectively, wherein first transistor collector is connected with second transistor base, base stage, the collector electrode of first triode connect external power source by resistance respectively separately, the collector electrode of second triode is connected to relay, be connected with building-out capacitor in the output of described relay, described building-out capacitor inserts in the household electricity circuit, the P1.6 pin of described single-chip microcomputer, P1.7 pin respectively with the capacitance compensation unit that inserts separately in the base stage of first triode be connected by resistance;
Described earthquake Alarm includes control unit two, sensor unit, data storage cell, shift register cell, the charactron display unit, the button setup unit, the acoustic alarm unit, the light alarm unit, described control unit two comprises that model is the single-chip microcomputer of AT89C4051, the XTAL1 pin of described single-chip microcomputer, be connected to crystal oscillating circuit between the XTAL2 pin, the VPP pin passes through grounding through resistance, the VPP pin also connects external power source by electric capacity, GND pin ground connection, single-chip microcomputer VCC pin connects outside+5V power supply, the P1.1 pin, be connected to two resistance of series connection between the P3.7 pin, and by capacity earth, single-chip microcomputer P3.7 pin also connects external power source by resistance between two series resistances;
Described sensor unit comprises that model is three the acceleration transducer of MMA7260Q, the code switch that it is SW-DIP-4 that the g-Select1 pin of described acceleration transducer, g-Select2 pin insert a model respectively; The VSS pin of acceleration transducer, the whole ground connection of N/C pin, the VDD pin inserts in the HT7533 voltage stabilizing chip of a 3.3V, described HT7533 voltage stabilizing chip connects outside+5V power supply, the resistance of the Zout pin of acceleration transducer by two series connection inserts the P1.0 pin of single-chip microcomputer, and on the Zout pin between two series resistances, also pass through capacity earth respectively between the P1.0 pin of resistance and single-chip microcomputer;
Described data memory unit comprises that model is the 2K memory of AT24C02, the A0 pin of described memory, VCC pin connect outside+5V power supply respectively, A1 pin, A2 pin, GND pin be ground connection respectively, and the WP pin of memory, SCL pin, SDA pin connect one to one with P3.2 pin, P3.4 pin, the P3.3 pin of single-chip microcomputer respectively;
Described shift register cell comprises that model is the shift register of 74HC164, the VCC pin of described shift register connects outside+5V power supply by a T431 voltage stabilizing chip, the A of shift register, B pin are connected with the P3.0 pin of single-chip microcomputer, END pin ground connection, the CLK pin of shift register is connected with the P3.1 pin of single-chip microcomputer, also by capacity earth, the MR pin of shift register connects high level to the CLK pin;
Described charactron display unit comprises common cloudy charactron, and described first pin of cloudy charactron altogether is connected respectively with the Q7 pin of shift register with Q2 pin, the 11 pin of shift register with Q6 pin, the tenth pin of shift register with Q1 pin, the 7th pin of shift register with Q5 pin, the 5th pin of shift register with Q0 pin, the 4th pin of shift register with Q4 pin, the 3rd pin of shift register with Q3 pin, second pin of shift register;
Described button setup unit comprises the button of three one end parallel connections, and the parallel connected end of button inserts the P1.2 pin of single-chip microcomputer, and three non-parallel connected end of button are connected one by one with P1.7 pin, P1.6 pin, the P1.5 pin of single-chip microcomputer respectively;
Described acoustic alarm unit includes two emitters triode, the buzzer of ground connection respectively, wherein the base stage of first triode is connected with the P3.5 pin of single-chip microcomputer by resistance, and base stage, the collector electrode of first triode connect external power source by resistance respectively, second transistor base is connected with the collector electrode of first triode, and the collector electrode of second triode inserts the buzzer terminals;
Described smooth alarm unit comprises the light-emitting diode of two negative electrode parallel connections, and the negative electrode parallel connected end of two light-emitting diodes is connected with the P1.3 pin of single-chip microcomputer.The anode tap of two light-emitting diodes is connected with Q2 pin, the Q1 pin of shift register.
The present invention can effectively improve the power factor of household electricity, and real-time intelligent detection reactive power, realize compensation automatically, and then improve the power factor of inductive loads such as domestic air conditioning, refrigerator, washing machine, smoke exhaust ventilator, electromagnetic oven, to reach the purpose of electrical energy saving.Propagation " speed difference " when the present invention simultaneously utilizes earthquake to take place between P ripple and the S ripple, and P ripple and S ripple are delivered to " time difference " in the densely populated city and carry out early warning after the earthquake.The present invention can realize earthquake pre-warning effectively, has improved the emergency advance warning ability for earthquake disaster.
Description of drawings
Fig. 1 is electricity-saving appliance control unit one circuit theory diagrams of the present invention.
Fig. 2 is ac current signal collecting unit circuit theory diagrams of the present invention.
Fig. 3 is ac voltage signal collecting unit circuit theory diagrams of the present invention.
Fig. 4 is the capacitance compensation performance element circuit theory diagrams on the single-chip microcomputer P1.6 pin of the present invention.
Fig. 5 is the capacitance compensation performance element circuit theory diagrams on the single-chip microcomputer P1.7 pin of the present invention.
Fig. 6 is seismic signal control unit two circuit theory diagrams of the present invention.
Fig. 7 is seismic sensor unit circuit theory diagrams of the present invention.
Fig. 8 is data memory unit circuit theory diagrams of the present invention.
Fig. 9 is shift register cell circuit theory diagrams of the present invention.
Figure 10 is a charactron display unit circuit schematic diagram of the present invention.
Figure 11 is button setup unit circuit theory diagrams of the present invention.
Figure 12 is an acoustic alarm element circuit schematic diagram of the present invention.
Figure 13 is light alarm unit circuit theory diagrams of the present invention.
Embodiment
Earthquake alarm household electronic electricity-saving appliance includes the family's electricity-saving appliance and the earthquake Alarm that become one.
Family's electricity-saving appliance includes economize on electricity control unit one, ac current signal collecting unit, ac voltage signal collecting unit, capacitance compensation unit.
As shown in Figure 1.Control unit one comprises that model is the single-chip microcomputer U01 of AT89C4051, the VPP pin of single-chip microcomputer U01 is by resistance R 01 ground connection, the VCC pin meets external power source VCC, and be connected to capacitor C E01 between VPP pin and the VCC pin, be connected to crystal oscillating circuit between the XTAL1 pin of single-chip microcomputer U01 and the XTAL2 pin, crystal oscillating circuit has crystal oscillator Y, capacitor C 01, capacitor C 02 constitutes, the GND pin ground connection of single-chip microcomputer U01, the P1.0 pin is by diode D01 ground connection, the P1.0 pin also meets external power source VCC by resistance R 02, the output of ac current signal collecting unit inserts the P1.1 pin of single-chip microcomputer U01, the output of voltage signal acquisition unit connects the P1.2 pin of single-chip microcomputer U01, the P1.6 pin of single-chip microcomputer U01, the P1.7 pin is connected to the capacitance compensation unit respectively;
As shown in Figure 2.The ac current signal collecting unit comprises that model is the one pole Hall element of AH3144E, described one pole Hall element is by detecting the changes of magnetic field of whether sensing electric current in the alternating current circuit in " C " type magnet ring, with the P1.1 pin signal of single-chip microcomputer drop-down from high potential be low level, impel single-chip microcomputer internal comparator output P3.6 to reverse;
As shown in Figure 3.The voltage signal acquisition unit comprises that model is the optical coupler U02 of PC817, optical coupler U02 two inputs insert in the household electricity circuit by diode D02, D03 respectively, and diode D02, the D03 direction of optical coupler two inputs are opposite, also be connected to other diode D04 between optical coupler U02 two inputs, output head grounding of optical coupler U02, another output is connected with the P1.2 pin of single-chip microcomputer U01, and optical coupler U02 also meets external power source VCC by pull-up resistor R04 with the output that the P1.2 pin of single-chip microcomputer U01 is connected;
As shown in Figure 4.The capacitance compensation unit that is connected with the P1.6 pin of single-chip microcomputer U01 comprises two triode Q01, Q02, two triode Q01, the emitter of Q02 is ground connection respectively, wherein first triode Q01 collector electrode is connected with second triode Q02 base stage, the base stage of first triode Q01, collector electrode is respectively separately by resistance R 06, R07 meets external power source VCC, the collector electrode of second triode device Q02 is connected to relay K 01, be connected with building-out capacitor C03 in the output of relay K 01, the P1.6 pin of single-chip microcomputer U01 is connected with the base stage of first triode Q01 by resistance R 08.
As shown in Figure 5.The capacitance compensation unit that is connected with the P1.7 pin of single-chip microcomputer U01 comprises two triode Q03, Q04, two triode Q03, the emitter of Q04 is ground connection respectively, wherein first triode Q03 collector electrode is connected with second triode Q04 base stage, the base stage of first triode Q03, collector electrode is respectively separately by resistance R 09, R10 meets external power source VCC, the collector electrode of second triode device Q04 is connected to relay K 02, be connected with building-out capacitor C04 in the output of relay K 02, building-out capacitor C04 inserts in the household electricity circuit, and the P1.7 pin of single-chip microcomputer U01 is connected with the base stage of first triode Q03 by resistance R 11.
Earthquake Alarm includes seismic signal control unit two, sensor unit, data storage cell, shift register cell, display unit, button setup unit, acoustic alarm unit, light alarm unit.
As shown in Figure 6.Seismic signal control unit two comprises that model is the single-chip microcomputer U11 of AT89C4051, be connected to crystal oscillating circuit between the XTAL1 pin of single-chip microcomputer U11, the XTAL2 pin, the VPP pin is by resistance R 01 ground connection, the VPP pin also meets external power source VCC by capacitor C E01, GND pin ground connection, the VCC pin of single-chip microcomputer U11 meets external power source+5V;
As shown in Figure 7.Sensor unit comprises that model is three the acceleration transducer U15 of MMA7260Q, the code switch S11 that it is SW-DIP-4 that the g-Select1 pin of acceleration transducer U15, g-Select2 pin insert a model respectively; The VSS pin of acceleration transducer U15, the whole ground connection of N/C pin, the VDD pin inserts among the HT7533 voltage stabilizing chip U16 of a 3.3V, HT7533 voltage stabilizing chip U16 connects outside+5V power supply, the resistance of the Zout pin of acceleration transducer U15 by two series connection inserts the P1.0 pin of single-chip microcomputer U11, and on the Zout pin between two series resistances, also pass through capacity earth respectively between the P1.0 pin of resistance and single-chip microcomputer U11;
As shown in Figure 8.Data memory unit comprises that model is the 2K memory of AT24C02, the A0 pin of memory U12, VCC pin connect outside+5V power supply respectively, A1 pin, A2 pin, GND pin be ground connection respectively, memory U12 WP pin, SCL pin, SDA pin connect one to one with P3.2 pin, P3.4 pin, the P3.3 pin of single-chip microcomputer U11 respectively;
As shown in Figure 9.Shift register cell comprises that model is the shift register of 74HC164, the VCC pin of shift register connects outside+5V power supply by a T431 voltage stabilizing chip, the A of shift register, B pin are connected with the P3.0 pin of single-chip microcomputer U11, END pin ground connection, the CLK pin of shift register is connected with the P3.1 pin of single-chip microcomputer U11, also by capacity earth, the MR pin of shift register connects high level to the CLK pin;
As shown in figure 10.The charactron display unit comprises common cloudy charactron, and first pin of cloudy charactron is connected respectively with the Q7 pin of shift register with Q2 pin, the 11 pin of shift register with Q6 pin, the tenth pin of shift register with Q1 pin, the 7th pin of shift register with Q5 pin, the 5th pin of shift register with Q0 pin, the 4th pin of shift register with Q4 pin, the 3rd pin of shift register with Q3 pin, second pin of shift register altogether;
As shown in figure 11.The button setup unit comprises button S1, S2, the S3 of three one end parallel connections, the parallel connected end of button S1, S2, S3 inserts the P1.2 pin of single-chip microcomputer, and three button S1, S2, the non-parallel connected end of S3 are connected one by one with P1.7 pin, P1.6 pin, the P1.5 pin of single-chip microcomputer respectively;
As shown in figure 12.The acoustic alarm unit includes two emitters triode, the buzzer LS of ground connection respectively, wherein the base stage of first triode is connected with the P3.5 pin of single-chip microcomputer U11 by resistance, and base stage, the collector electrode of first triode connect external power source by resistance respectively, second transistor base is connected with the collector electrode of first triode, and the collector electrode of second triode inserts buzzer LS terminals;
As shown in figure 13.The light alarm unit comprises light-emitting diode LD1, the LD2 of two negative electrode parallel connections, and the negative electrode parallel connected end of two light-emitting diode LD1, LD2 is connected with the P1.3 pin of single-chip microcomputer U11.The anode tap of two light-emitting diode LD1, LD2 is connected with Q2 pin, the Q1 pin of shift register.
In the family of the present invention electricity-saving appliance, at first will measure the phase difference between voltage, the electric current in the home-use circuit, because in the household electricity, generally have only two kinds: a kind of is the load of pure resistance type, as electric rice cooker, electric heater, electric blanket etc.; Another kind is an inductive load, as domestic air conditioning, refrigerator, washing machine, smoke exhaust ventilator, electromagnetic oven etc.The well-known resistor-type power-factor of load is 1.0, and the inductive type load, and power factor is generally all low, has only about 0.8, at this moment just need detect electric current lag behind voltage phase difference how much, carry out the compensation of electric capacity.Alternating current has positive-negative half-cycle, when voltage during at positive half cycle zero crossing, isolate by high-low pressure photoelectricity, after making single-chip microcomputer P1.2 pin collect voltage signal, the inner T0 timer of single-chip microcomputer picks up counting, wait until always when single-chip microcomputer internal comparator output P3.6 becomes low level by high level that stop timing, the size of this timing time is directly proportional with phase difference.When counting is zero, represent that promptly load is the pure resistance type, does not need to carry out capacitance compensation; When count value is big more, the building-out capacitor input is many more.Bulky current transformer is not adopted in the detection of alternating current, because the signal when this electricity-saving appliance only needs to gather the positive half cycle current zero crossing, gather the current phase transducer so select the little one pole Hall switch of volume for use, when the variation magnetic field of alternating current generation is arranged in the magnet ring of " C " shape, the P1.1 pin of single-chip microcomputer will collect one pole Hall switch output variable signal, impel single-chip microcomputer internal comparator output P3.6 to reverse, based on what of this timing time, single-chip microcomputer carries out logic determines, whether carry out capacitance compensation, compensation rate is how much, the excision earlier of compensation earlier, and the time-delay of post-compensation is excised.
Earthquake Alarm of the present invention is selected three (X-axis, Y-axis, Z axle) acceleration sensors of Freescale MMA7260Q that integrated level is the highest in the market for use, this acceleration sensor can be used to detect the acceleration of X, Y, Z-direction, the size of representing the acceleration detected with analog voltage, mainly constitute in IC inside, i.e. gravity sensing unit (being responsible for the detecting of acceleration) and control IC unit (being responsible for signal processing) by the twin-core sheet.The gravity detecting unit of X-axis or Z axle is delivered to charge integrator with detected acceleration change amount signal and is done integral operation, then take a sample, maintenance and signal processing and amplifying, using the low pass filter filters out high frequency noise at last, is exportable acceleration information after temperature-compensating is handled.The analog voltage of this output and the accekeration of detecting can be kept the characteristic of linear scale, can not be subjected to Temperature Influence.According to the typical angle line of response type of acceleration sensor as can be known, in 0 degree scope, inclination angle and voltage are linear change.And in 90 degree scopes, inclination angle and voltage then present saturated conditions.Therefore when being installed, acceleration sensor must guarantee that the Z axle is perpendicular to the ground.When sensor arrives the P ripple of the earth vibrations, on Z out pin, produce the voltage that 1.65V fluctuates up and down, single-chip microcomputer collects and carries out logical operation after these data and handle, output to show on the charactron earthquake magnitude what, and judge whether to report to the police and wait processing etc.This earthquake warning electron process instrument can be revised the alarm level in the memory as required.
Claims (1)
1. earthquake alarm household electronic electricity-saving appliance is characterized in that: include the family's electricity-saving appliance and the earthquake Alarm that become one;
Described family electricity-saving appliance includes control unit one, the ac current signal collecting unit, the voltage signal acquisition unit, the capacitance compensation unit, control unit one comprises that model is the single-chip microcomputer of AT89C4051, the VPP pin of described single-chip microcomputer passes through grounding through resistance, the VCC pin connects outside+5V power supply, and be connected to electric capacity between VPP pin and the VCC pin, be connected to crystal oscillating circuit between the XTAL1 pin of single-chip microcomputer and the XTAL2 pin, the GND pin ground connection of single-chip microcomputer, the P1.0 pin is by diode ground connection, the P1.0 pin also connects external power source by resistance, the output of described ac current signal collecting unit inserts the P1.1 pin of single-chip microcomputer, the output of voltage signal acquisition unit connects the P1.2 pin of single-chip microcomputer, the P1.6 pin of single-chip microcomputer, the P1.7 pin is connected to the capacitance compensation unit respectively;
Described ac current signal collecting unit comprises that model is the one pole Hall element of AH3144E, described one pole Hall element is by detecting the changes of magnetic field of whether sensing electric current in the alternating current circuit in " C " type magnet ring, with the P1.1 pin signal of single-chip microcomputer drop-down from high potential be low level, impel single-chip microcomputer internal comparator output P3.6 to reverse;
Described voltage signal acquisition unit comprises that model is the optical coupler of PC817, described optical coupler two inputs insert in the household electricity circuit by diode respectively, and the diode direction of optical coupler two inputs is opposite, also be connected to another voltage stabilizing didoe between optical coupler two inputs, output head grounding of described optical coupler, another output is connected with the P1.2 pin of single-chip microcomputer, and the output that optical coupler is connected with single-chip microcomputer P1.2 pin also connects outside+5V power supply by pull-up resistor;
Described capacitance compensation unit comprises two triodes, the emitter of two triodes is ground connection respectively, wherein first transistor collector is connected with second transistor base, base stage, the collector electrode of first triode connect external power source by resistance respectively separately, the collector electrode of second triode is connected to relay, be connected with building-out capacitor in the output of described relay, described building-out capacitor inserts in the household electricity circuit, the P1.6 pin of described single-chip microcomputer, P1.7 pin respectively with the capacitance compensation unit that inserts separately in the base stage of first triode be connected by resistance;
Described earthquake Alarm includes control unit two, sensor unit, data storage cell, shift register cell, the charactron display unit, the button setup unit, the acoustic alarm unit, the light alarm unit, described control unit two comprises that model is the single-chip microcomputer of AT89C4051, the XTAL1 pin of described single-chip microcomputer, be connected to crystal oscillating circuit between the XTAL2 pin, the VPP pin passes through grounding through resistance, the VPP pin also connects external power source by electric capacity, GND pin ground connection, single-chip microcomputer VCC pin connects outside+5V power supply, the P1.1 pin, be connected to two resistance of series connection between the P3.7 pin, and by capacity earth, single-chip microcomputer P3.7 pin also connects external power source by resistance between two series resistances;
Described sensor unit comprises that model is three the acceleration transducer of MMA7260Q, the code switch that it is SW-DIP-4 that the g-Select1 pin of described acceleration transducer, g-Select2 pin insert a model respectively; The VSS pin of acceleration transducer, the whole ground connection of N/C pin, the VDD pin inserts in the HT7533 voltage stabilizing chip of a 3.3V, described HT7533 voltage stabilizing chip connects outside+5V power supply, the resistance of the Zout pin of acceleration transducer by two series connection inserts the P1.0 pin of single-chip microcomputer, and on the Zout pin between two series resistances, also pass through capacity earth respectively between the P1.0 pin of resistance and single-chip microcomputer;
Described data memory unit comprises that model is the 2K memory of AT24C02, the A0 pin of described memory, VCC pin connect outside+5V power supply respectively, A1 pin, A2 pin, GND pin be ground connection respectively, and the WP pin of memory, SCL pin, SDA pin connect one to one with P3.2 pin, P3.4 pin, the P3.3 pin of single-chip microcomputer respectively;
Described shift register cell comprises that model is the shift register of 74HC164, the VCC pin of described shift register connects outside+5V power supply by a T431 voltage stabilizing chip, the A of shift register, B pin are connected with the P3.0 pin of single-chip microcomputer, END pin ground connection, the CLK pin of shift register is connected with the P3.1 pin of single-chip microcomputer, also by capacity earth, the MR pin of shift register connects high level to the CLK pin;
Described charactron display unit comprises common cloudy charactron, and described first pin of cloudy charactron altogether is connected respectively with the Q7 pin of shift register with Q2 pin, the 11 pin of shift register with Q6 pin, the tenth pin of shift register with Q1 pin, the 7th pin of shift register with Q5 pin, the 5th pin of shift register with Q0 pin, the 4th pin of shift register with Q4 pin, the 3rd pin of shift register with Q3 pin, second pin of shift register;
Described button setup unit comprises the button of three one end parallel connections, and the parallel connected end of button inserts the P1.2 pin of single-chip microcomputer, and three non-parallel connected end of button are connected one by one with P1.7 pin, P1.6 pin, the P1.5 pin of single-chip microcomputer respectively;
Described acoustic alarm unit includes two emitters triode, the buzzer of ground connection respectively, wherein the base stage of first triode is connected with the P3.5 pin of single-chip microcomputer by resistance, and base stage, the collector electrode of first triode connect external power source by resistance respectively, second transistor base is connected with the collector electrode of first triode, and the collector electrode of second triode inserts the buzzer terminals;
Described smooth alarm unit comprises the light-emitting diode of two negative electrode parallel connections, and the negative electrode parallel connected end of two light-emitting diodes is connected with the P1.3 pin of single-chip microcomputer, and the anode tap of two light-emitting diodes is connected with Q2 pin, the Q1 pin of shift register.
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Cited By (4)
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| CN102592396A (en) * | 2012-02-12 | 2012-07-18 | 王寅寅 | Electronic early warning device for small seism |
| CN105092972A (en) * | 2014-05-06 | 2015-11-25 | 郑州晶微电子科技有限公司 | Hydropower monitoring instrument |
| CN108475994A (en) * | 2015-12-28 | 2018-08-31 | 大金工业株式会社 | Supply unit, the DC-to-AC converter for having used the supply unit and converter apparatus and the refrigerating plant and air purifier for having used the DC-to-AC converter or converter apparatus |
| CN109372346A (en) * | 2018-11-23 | 2019-02-22 | 南宁职业技术学院 | GSM coded lock |
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| CN201637774U (en) * | 2010-03-19 | 2010-11-17 | 北京欧地安科技股份有限公司 | Thunder-lightening recorder |
| CN202127249U (en) * | 2011-06-28 | 2012-01-25 | 六安天时节能科技服务有限公司 | Earthquake alarm household electronic power saver |
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2011
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| JP2000184579A (en) * | 1998-12-09 | 2000-06-30 | Gyoseiin Roko Iinkai Roko Anzen Eisei Kenkyusho | Alarm device for preventing accidental contact of high- voltage electric wire |
| CN201048287Y (en) * | 2007-06-07 | 2008-04-16 | 江涛 | Overvoltage protector with acousto-optic early warning and exterior extension interface circuit |
| US20090219034A1 (en) * | 2008-02-28 | 2009-09-03 | Diehl Ako Stiftung & Co. Kg | Diagnostic Circuit and Method of Testing a Circuit |
| CN201637774U (en) * | 2010-03-19 | 2010-11-17 | 北京欧地安科技股份有限公司 | Thunder-lightening recorder |
| CN202127249U (en) * | 2011-06-28 | 2012-01-25 | 六安天时节能科技服务有限公司 | Earthquake alarm household electronic power saver |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592396A (en) * | 2012-02-12 | 2012-07-18 | 王寅寅 | Electronic early warning device for small seism |
| CN105092972A (en) * | 2014-05-06 | 2015-11-25 | 郑州晶微电子科技有限公司 | Hydropower monitoring instrument |
| CN108475994A (en) * | 2015-12-28 | 2018-08-31 | 大金工业株式会社 | Supply unit, the DC-to-AC converter for having used the supply unit and converter apparatus and the refrigerating plant and air purifier for having used the DC-to-AC converter or converter apparatus |
| CN109372346A (en) * | 2018-11-23 | 2019-02-22 | 南宁职业技术学院 | GSM coded lock |
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| CN102255317B (en) | 2013-04-17 |
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