CN105093031A - Intelligent household door with electricity abnormity early warning function - Google Patents
Intelligent household door with electricity abnormity early warning function Download PDFInfo
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- CN105093031A CN105093031A CN201510544584.3A CN201510544584A CN105093031A CN 105093031 A CN105093031 A CN 105093031A CN 201510544584 A CN201510544584 A CN 201510544584A CN 105093031 A CN105093031 A CN 105093031A
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- civil power
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Abstract
The invention discloses an intelligent household door with an electricity abnormity early warning function, and relates to the field of safety protection of an intelligent household, for the purposes of solving the technical problems of incapability of detecting abnormal power sources in intelligent household lines, incapability of distinguishing malicious invasive power failure from large-scale regional power failure, incapability of facilitating escape of residents in case of disasters, lack of feedback control and effective communication, untimely startup of backup power sources and the like by use of conventional intelligent household safety protection equipment. The structure provided by the invention is characterized by comprising a central control early warning module which is used for examining effective values of commercial power, receives the commercial power and also emits control signals; a zero-crossing detection unit which is used for examining the frequency of the commercial power, receives the commercial power and outputs detection signals; an identifying module which receives the detection signals and outputs identifying signals to the central control early warning module; a driving circuit which receives the control signals and outputs driving pulses; and a motor which is connected with a door rotating shaft and receives the driving pulses. The intelligent household door provided by the invention is applied to electricity abnormity early warning of an intelligent household system.
Description
Technical field
The present invention relates to smart home security field, be specifically related to a kind of Smart Home door with electrical anomaly warning function.
Background technology
Along with the continuous progress of science and technology and the raising gradually of living standard, intelligent home device miscellaneous enters the life of people.But malicious intrusions equipment also more and more has hiding thereupon, not even with when cutting off the electricity supply, carry out destructiveness invasion.Existing intelligent home device, generally all with the electrical quantity of civil power for design standards, almost cannot tackle emergency case that power end occurs or other sabotage behavior: power-off, supply frequency or amplitude are by extraneous malicious interference; That is, when intelligent home device occurs power-off, supply frequency or amplitude by extraneous malicious interference situation, immediately with regard to fault or malfunctioning.Especially, smart home security equipment or gate inhibition's facility, process power events is not intelligent; There is smart home security equipment or gate inhibition's facility of power-off protection alarm, non-malicious power events can not be distinguished, easy false alarm, cause unnecessary loss; Most security device or gate inhibition's facility, be provided with the spacer assembly that cuts off self-lock, this, when the disaster such as fire and earthquake occurs, is unfavorable for that resident family escapes; Existing power-off prior-warning device, the event being caused the malfunctioning or fault of intelligent home device by malicious interference supply frequency or amplitude can not be detected, namely intelligent home device frequency of operation and power are disturbed, make it malfunctioning or be in abnormal operating state, and, this invasion mode can't trigger standby power supply (power-off trigger system), and equipment will continue the driving being subject to " bad " power supply, cause being in abnormal operation for a long time and damage or fault malfunctioning.
In addition, existing malicious intrusions behavior, usually, steals for single household in a street district or destroys with implementing; Particularly, destroy for the power supply of smart home security equipment or gate inhibition's facility or circuit line.
Summary of the invention
For above-mentioned prior art, the object of the invention is to provide a kind of Smart Home door with electrical anomaly warning function, it is intended to solve existing smart home security equipment can not detect abnormal power supply in Smart Home circuit, malicious intrusions power-off and large-scale area power-off can not be distinguished, resident family's escape when being unfavorable for that disaster occurs, lacks FEEDBACK CONTROL, efficient communication and standby power supply starts the technical matters such as not in time.
For achieving the above object, the technical solution used in the present invention is as follows:
There is a Smart Home door for electrical anomaly warning function, comprising for controlling warning module in the inspection of civil power effective value: receive civil power, also send control signal; Zero passage detection unit for mains frequency inspection: receive civil power and output detections signal; Discrimination module: receive detection signal and export judgment signal to middle control warning module; Driving circuit: reception control signal, exports driving pulse; The motor be connected with door pivot: receive driving pulse; Described driving circuit, comprises the pulse timing modulating unit connected successively, on-off circuit and monophase machine unit.
In such scheme, described civil power, comprises this family civil power and close quarters civil power.Creatively, access close quarters civil power, walked around this family civil power input bus, controlled warning module by this family civil power and the access of close quarters civil power simultaneously, the effective value change of real time contrast's two type civil powers; Significantly and substantially, distinguish regional electrical anomaly and single household suffers malicious intrusions, improved the accuracy of identification of malicious intrusions behavior, reduce invasion rate of false alarm.
In such scheme, preferably, described close quarters civil power, comprises many close quarters civil powers, by independent hidden wiring, controls warning module in connection.Significantly and substantially, add hiding, possibility that is malfunctioning when middle control prior-warning device is subject to electricity invasion or fault is significantly reduced.
In such scheme, preferably, described middle control warning module, receives civil power by transformer.Provide step-down, isolation and protection.
In such scheme, preferably, described middle control warning module presets electrical anomaly value, and to depart from scope be ± 30%, and holding time is 1 minute.
In such scheme, described middle control warning module is preset electrical anomaly according to the stability of intelligent domestic system electric consumption and is departed from scope.Intelligent domestic system electricity consumption consumed power is more stable, and it is narrower that electrical anomaly value departs from scope, differentiates that the precision of electrical anomaly event is higher.
In such scheme, described middle control warning module, comprises A/D converter: receive civil power, and exports the digital signal with civil power effective value feature; Processor: the digital signal receiving A/D converter.Provide effective value inspection in real time.
In such scheme, described A/D converter, receives civil power by the mode connecting step-down protector.Provide step-down, isolation and protection.
In such scheme, described zero passage detection unit, comprises the first zero passage detection unit and the second zero passage detection unit.Provide frequency detecting in real time.
In such scheme, preferably, described zero passage detection unit, comprises the digital isolator connected successively, rectifier circuit and voltage comparator circuit.Digital isolator achieves stable, reliable insulation blocking, and leaches random noise disturbance.
In such scheme, described discrimination module, comprises XOR gate: receive detection signal; Connect the phase inverter of XOR gate: form same or door with XOR gate; Integrator: connect output terminal that is same or door; Connect the oscillator of integrator: export 60 hertz of resonant pulses.When electrical anomaly appears in this family civil power, achieve electrical anomaly event and differentiate; Provide voltage to strengthen, ensure that prior-warning device carries out emergency operation.
In such scheme, preferably, described middle control warning module, is also connected with the emergency power pack, communication node and/or the feedback node that trigger function processed with electrical anomaly.When regional power-off or disaster occur, provide Emergency power source so that middle control warning module uses the rescue of communication node notice; Feedback node access user control terminal, when there is anomalous event, especially, single household power-off will notify user, to such an extent as to carry out corresponding emergency operation.
In such scheme, preferably, described processor, comprises field programmable gate array and the digital processing unit of coupling mutually.Flexible structure, has stronger versatility, is suitable for modular design, thus can improve matching algorithm efficiency; Its construction cycle is shorter simultaneously, easy maintenance and expansion, is applicable to real time signal processing.
Compared with prior art, the present invention is unconventional, but creates unexpected breakthrough beneficial effect: no matter be that the invasion of malice electricity occurs, or intelligent domestic system fault occurs, can both provide emergency operation; Single household power-off and large-scale area power-off can be distinguished; Mains frequency and RMS to DC can be carried out in real time, judge whether malicious sabotage behavior and intelligent domestic system fault; Emergency communication timely; There is reaction type control, provide high hommization to experience; Flexible structure and versatility is high.
Accompanying drawing explanation
Fig. 1 is module diagram of the present invention;
Fig. 2 is specific embodiments of the invention schematic diagram.
Embodiment
All features disclosed in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Below in conjunction with accompanying drawing, the present invention will be further described:
Fig. 1 is module diagram of the present invention, a kind of Smart Home door with electrical anomaly warning function, comprises for controlling warning module in the inspection of civil power effective value: receive civil power; Zero passage detection unit for mains frequency inspection: receive civil power and output detections signal; Discrimination module: receive detection signal and export judgment signal to middle control warning module.
Embodiment 1
Fig. 2 is specific embodiments of the invention schematic diagram, described civil power, comprises this family civil power and close quarters civil power.Described close quarters civil power, comprises many close quarters civil powers, by independent hidden wiring, controls warning module in connection.Described middle control warning module, receives this family civil power and close quarters civil power respectively by the first transformer T1, the second transformer T2.Described middle control warning module presets electrical anomaly value, and to depart from scope be ± 30%, and holding time is 1 minute.Described middle control warning module is preset electrical anomaly according to the stability of intelligent domestic system electric consumption and is departed from scope.Described middle control warning module, comprises A/D converter: receive civil power, and exports the digital signal with civil power effective value feature; Processor: the digital signal receiving A/D converter.Described A/D converter, receives civil power by the mode connecting step-down protector, and step-down protector adopts divider resistance.
Described zero passage detection unit, comprises the first zero passage detection unit and the second zero passage detection unit.Described zero passage detection unit, comprises the digital isolator connected successively, rectifier circuit and voltage comparator circuit.Digital isolator selects direct capacitance formula, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C7 and the 4th electric capacity C8.
Described discrimination module, comprises XOR gate U1A: receive detection signal; Connect the phase inverter U2A of XOR gate U1A: form same or door with XOR gate U1A; Integrator: connect output terminal that is same or door; Connect the oscillator OSC of integrator: export 60 hertz of resonant pulses.Described middle control warning module, is also connected with the emergency power pack, communication node and/or the feedback node that trigger function processed with electrical anomaly.Described processor, comprises field programmable gate array FPGA and the digital processing unit DSP of coupling mutually.
Embodiment 2
Described zero passage detection unit, comprises the first digital isolator receiving civil power: the first electric capacity C1 and the second electric capacity C2; Receive the rectifier bridge that the first digital isolator exports: comprise four diodes D1, D2, D3 and D4; Voltage comparator circuit: the output of rectifier bridge and divider resistance voltage are made comparisons, completes zero passage detection; Voltage comparator circuit also connects a threshold voltage switch D5.
Embodiment 3
Described discrimination module, integrator wherein, comprises the 5th electric capacity C4 in parallel and resistance R6.The time constant of integrator needs the stacking factor being greater than civil power 1/2nd, and be less than the stacking factor of civil power, to such an extent as to when inconsistent pulse appears in two zero passage detection unit, " panting " electric pulse can be sent, during pulse that oscillator OSC receives " panting ", to be not enough to continue to send 60 hertz of pulses, the couter-loop of field programmable gate array FPGA is damaged, and triggers electrical anomaly event.
Embodiment 4
The electricity invasion that apparatus of the present invention identification degree of depth is hidden.In Smart Home load power source access front end, be subject to malice electrical interference, malice electrical interference is frequency significantly disturbance, and destroy civil power stacking factor, make intelligent home device be in abnormal operating state further, long non-normal working can make its fault or malfunctioning, and this is fatal to gate inhibition and intelligent security guard equipment, and exception can not be there is in the line voltage amplitude that middle control warning module detects, but at the first zero passage detection unit place, the zero cross signal with forcing frequency change can be exported, at XOR gate U1A place, export the high level be interrupted, phase inverter U2A will export the low level of being interrupted, pulse that integrator sends " panting ", oscillator OSC exports the pulse lower than 60 hertz, field programmable gate array FPGA counting ring is damaged, further number of notifications word processor DSP, whether digital processing unit DSP is subject to random destroying for times according to field programmable gate array FPGA counting ring, and (single exports without electricity after destroying, be judged to be not intended to power-off or Smart Home line fault, but also can activate feedback node and notify user), if, malicious intrusions will be judged to be, activate communication node and feedback node simultaneously, realize reporting to the police and notifying user.
Embodiment 5
Described processor is applicable to following MCU, DSP, CPU or GPU, the RISC framework of APU, ARM or x86 framework, quantum or the photon CPU choice of technology.The progress of technology is the reference of selection standard; But for changing bad invention, or cost viewpoint, only from the selection of technical scheme of practicality.
Embodiment 6
Described pulse timing modulating unit 200, comprises modulation pulse generator 4: input end connects the output terminal of clock of FPGA, receives FPGA and controls clock Clock; First phase inverter 5: input end connects the output terminal of modulation pulse generator 4; First programmable delayer 6: input end connects the output terminal of the first phase inverter 5; Second phase inverter 24: input end connects the output terminal of the first programmable delayer 6; First field effect transistor Q1: grid connects the output terminal of the second phase inverter 24, and source electrode is connected to inductance L 1; Inductance L 1 one end is High_V; For eliminating the on-off circuit of judgement time delay: be connected with the output terminal of modulation pulse generator 4, be connected with the output terminal of the first programmable delayer 6; Second field effect transistor Q2: grid connecting valve circuit, the source electrode of drain electrode connection first field effect transistor Q1; Schottky synchronous rectification diode D1: positive pole, negative pole connect source electrode, the drain electrode of the second field-effect diode respectively; Schottky synchronous rectification diode D1 just very Low_V.
Described on-off circuit, comprises cut-off circuit, turning circuit, also comprises the grid that rest-set flip-flop 31:Q holds connection second field effect transistor Q2.
Described cut-off circuit, comprises buffer register 7: input end connects the output terminal ID of the first programmable delayer 6; First appreciation counter 19; Clock end CLK connects the output terminal of buffer register 7; First with door 8: input port is connected High_V and programmed sequence Pro.bit; First rejection gate 9: input port is connected with the output terminal of first and door 8, and output terminal connects the counting end UP of the first appreciation counter 19; 3rd phase inverter 12: input end is for presetting end Preset; First or door 11: input port connects the output terminal of the 3rd phase inverter 12 and the output terminal of buffer register 7; Second rejection gate 10: input port is connected with first or the output terminal of door 11 and the output terminal of the first rejection gate 9, and output terminal is connected to the input port of the first rejection gate; Second programmable delayer 21: activate the counting end-Q that counting end A connects the first appreciation counter 19, time delay end D connects the output terminal ID of the first programmable delayer; 4th phase inverter 28: input end connects the output terminal Y of the second programmable delayer 21; 3rd rejection gate 27: input port connects input end and the output terminal of the 4th phase inverter 28 respectively; Second with door 25; Second or door 26: input port is connected with the output terminal and second and the output terminal of door 25 of the 3rd rejection gate 27; 5th phase inverter 23: input end is connected the input port of second and door 25 with output terminal; Second or door 26 output terminal connect rest-set flip-flop 31 R end.
Described turning circuit, comprises the second appreciation counter 20: clock end CLK connects the output terminal of modulation pulse generator 4; 3rd or door 13: input port connects output terminal and the High_V of the 3rd phase inverter 12; Four nor gate 14: input port is connected with the output terminal of the 3rd or door 13; 5th rejection gate 18: input port is connected with the output terminal of four nor gate 14, output terminal connects the counting end UP of the second appreciation counter 20; 3rd with door 17: input port is connected with the output terminal of buffer register 7, and output terminal is connected to the input port of the 5th rejection gate 18; 4th with door 16: input port is provided with monitoring point Checkpoint, output terminal be connected to the 3rd with the input port of door 17; Reference power supply Ref_1: plus earth; Comparer 15: high level end connects the negative pole of reference power supply Ref_1, output terminal is connected to the input port of the 4th and door 16; 3rd programmable delayer 22: activate the Q end that counting end A connects the second appreciation counter 20, time delay end D connects the output terminal ID of the first programmable delayer 6; Hex inverter 30: input end connects the output terminal Y of the 3rd programmable delayer 22; 5th with door 29: input port is connected output terminal and the input end of hex inverter 30, output terminal connect rest-set flip-flop 31 S end.
Described monophase machine unit 300, comprises driving circuit PDC:1_H and holds connection High_V, Low_V to connect Low_V; Monophase machine MOTOR: interface 1 connects the output interface OUT1 of driving circuit; Second analog to digital converter 32: input end connects the interface 1 of monophase machine MOTOR, output terminal connects the low level end of comparer 15.
Embodiment 7
In embodiment 4 and embodiment 6 basis, user is by feedback node, and control warning module in control, it sends control signal, and driving circuit reception control signal rear drive electric machine rotation, optionally allows door open or close.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly belongs to those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (8)
1. there is a Smart Home door for electrical anomaly warning function, it is characterized in that, comprise
For controlling warning module in the inspection of civil power effective value: receive civil power, also send control signal;
Zero passage detection unit for mains frequency inspection: receive civil power and output detections signal;
Discrimination module: receive detection signal and export judgment signal to middle control warning module;
Driving circuit: reception control signal, exports driving pulse;
The motor be connected with door pivot: receive driving pulse.
2. a kind of Smart Home door with electrical anomaly warning function according to claim 1, is characterized in that, described civil power, comprises this family civil power and close quarters civil power.
3. a kind of Smart Home door with electrical anomaly warning function according to claim 1, is characterized in that, described middle control warning module, comprises
A/D converter: receive civil power, and export the digital signal with civil power effective value feature;
Processor: the digital signal receiving A/D converter.
4. a kind of Smart Home door with electrical anomaly warning function according to claim 3, is characterized in that, described A/D converter, receives civil power by the mode connecting step-down protector.
5. a kind of Smart Home door with electrical anomaly warning function according to claim 1, is characterized in that, described zero passage detection unit, comprises the first zero passage detection unit and the second zero passage detection unit.
6. a kind of Smart Home door with electrical anomaly warning function according to claim 1, is characterized in that, described middle control warning module, is also connected with emergency power pack, communication node and/or feedback node.
7. a kind of Smart Home door with electrical anomaly warning function according to claim 3, is characterized in that, described processor, comprises field programmable gate array and the digital processing unit of coupling mutually.
8. a kind of Smart Home door with electrical anomaly warning function according to claim 1, is characterized in that, described driving circuit, comprises the pulse timing modulating unit connected successively, on-off circuit and monophase machine unit.
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| CN201510544584.3A CN105093031A (en) | 2015-08-31 | 2015-08-31 | Intelligent household door with electricity abnormity early warning function |
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| CN201510544584.3A CN105093031A (en) | 2015-08-31 | 2015-08-31 | Intelligent household door with electricity abnormity early warning function |
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Application publication date: 20151125 |