CN108022397A - A kind of electrical fire detecting system of controlling intelligent household appliances - Google Patents
A kind of electrical fire detecting system of controlling intelligent household appliances Download PDFInfo
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- CN108022397A CN108022397A CN201810050401.6A CN201810050401A CN108022397A CN 108022397 A CN108022397 A CN 108022397A CN 201810050401 A CN201810050401 A CN 201810050401A CN 108022397 A CN108022397 A CN 108022397A
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
Abstract
The present invention provides a kind of electrical fire detecting system of controlling intelligent household appliances, including electric loop detection module, context detection module, current detection module, voltage detection module, temperature detecting module, core processing unit, wireless receiving and transmitting module, it is used to the situation of household electrical appliance being sent to Cloud Server；The light current supply of power-off protection and light current protection module, its on/off for being used to control household electrical appliance and whole system；Analog signal storage element, it is used to store the data that above-mentioned each module detects, the design, which is realized, is monitored and controlled the effective of electric disaster hidden-trouble, the operations such as realization at the same time effectively gathers these a small number of, majority product informations and is supplied to client to be inquired about after sending to service terminal, reminds, remote alarms, detection result of the present invention is good, intelligence degree is high, and stability is good.
Description
Technical field
The present invention is a kind of electrical fire detecting system of controlling intelligent household appliances, belongs to electrical fire detection technique field.
Background technology
With the development of economy and society, electric energy becomes one of most important energy of the mankind, production and domestic load are big
Amplitude increase, electrical fire are also growing day by day to being lost caused by the life and property of the people as a kind of major casualty type.
After 21 century, the electrical fire situation in China is further severe, either incidence, or caused by lives and properties
Loss, occupies first of all kinds of fire.
According to the explanation of pertinent literature, the related data of 2007-2016 National Electrical fire, to fire number, directly
Property loss is gradually increasing, and the seasonality of fire fatality number, number of injured people and electrical fire has carried out labor,
In all kinds of cause of fire statistics of 2007-2016, the generation number of electrical fire up to more than 40000 times, 2013 every year
Electrical fire afterwards has occurred number and has been up on 100000 times so that the generation number (in addition to 2014) of annual electrical fire is equal
In highest level, there is the fire of some other unknown causes every year certainly.Electrical fire occurs altogether for 2007-2016, China
69.46 ten thousand, 114.51 hundred million yuan of primary fire damage caused by electric reason, fire 2736 people of injury, 5325 people of fire fatality.
In electrical fire sum, the electrical fire occurred within the family accounts for the 76.89% of total ratio, and in this data
In ratio, because the caused electrical fire accounting of the reason for household electrical appliance use in itself is more than 30%, because the event of household electrical appliance
Barrier or improper use cause the electric wiring in family that fire accounting occurs and reach 68%, it may be considered that the electricity in family
Gas fire its most directly it is most essential the reason for both be from the household electrical appliance of function all types of and of all kinds.
Household electrical appliance essence on fire is because the generations such as overload or overvoltage are largely hot in 1, course of work itself
Amount cannot distribute in time, cause own temperature to raise, spontaneous combustion after reaching own temperature and bearing the limit；2nd, circuit residual current surpasses
Limit or loose contact or material are inferior, cause line temperature to raise, spontaneous combustion after reaching own temperature and bearing the limit.
And it is further, household electrical appliance innovation in itself is regenerated and is getting faster, and developing direction be also directed towards it is intelligent and
Automation development, so while the security performance to household electrical appliance is lifted, it is also desirable to supporting more intelligent functions
To meet the needs of people, but therewith and more security appliance problems, two aspects must be when what is come is intelligent lifting
It is complementary, it is indispensable.Electrical fire detection result of the prior art is bad, and preventative deficiency, intelligence degree is not
Height, so being badly in need of wanting the electrical fire detecting systems of controlling intelligent household appliances a kind of to solve above-mentioned produced problem.
The content of the invention
A kind of in view of the deficienciess of the prior art, electrical fire detection it is an object of the present invention to provide controlling intelligent household appliances
System, to solve the problems mentioned in the above background technology, the present invention is easy to use, and easy to operation, stability is good, reliability
It is high.
To achieve these goals, the present invention is to realize by the following technical solutions：
A kind of electrical fire detecting system of controlling intelligent household appliances, including
Electric loop detection module, it is used for the circuit break-make for detecting household electrical appliance；
Context detection module, it is used for the working environment parameter for detecting household electrical appliance；
Current detection module, its operating current and residual current for being used to detect household electrical appliance；
Voltage detection module, it is used for the operating voltage for detecting household electrical appliance；
Core processing unit, it receives the signal of above-mentioned each module and is analyzed, is sent when detecting unusual condition
Alarm signal is broken to wireless receiving and transmitting module, and according to external command or in unusual condition more than startup when setting warning line
Electric protection and light current protection module cut off the power supply of household electrical appliance；
Wireless receiving and transmitting module, it is used to the situation of household electrical appliance being sent to Cloud Server；
The light current of power-off protection and light current protection module, its on/off for being used to control household electrical appliance and whole system supplies
Should；
Analog signal storage element, it is used to store the data that above-mentioned each module detects.
The electric loop detection module includes electrical circuit detection terminal K1, electric loop path induction element t1, electricity
Air circuit open circuit induction element t2；Electrical circuit detection terminal K1 is connected with the performance loop in household electrical appliance, and electric loop leads to
Road induction element t1 and electric loop open circuit induction element t2 measure loop break-makes.
The context detection module includes environment measuring terminal P3, conductor temperature induction element z1 and humidity induction element
z2；Environment measuring terminal P3 is connected with the performance loop in household electrical appliance, in conductor temperature induction element z1 detection household electrical appliance
Performance loop conductor temperature, humidity induction element z2 detect household electrical appliance working environment humidity.
The operating voltage of the voltage detection module detection household electrical appliance.
Further include actuating relay, temperature-regulating relay, electronic time unit, Power Control and action and calculate control
Kernel processor chip and intelligent control module.
The current detection module includes operating current detection device and residual current detection device；The residual current inspection
Surveying device includes operational amplifier U10A and operational amplifier U10B,
Another terminating resistor R71 of homophase input terminating resistor R27, resistance R27, the bi-directional voltage stabilizing pipe of operational amplifier U10A
V29, inductance FB1；Another termination GND of resistance R71 and bi-directional voltage stabilizing pipe V29；The other end access bi-directional voltage stabilizing pipe of inductance FB1
V25 and external impressed current mutual inductor, the other end and inductance FB2 of another termination external impressed current mutual inductor of bi-directional voltage stabilizing pipe V25, electricity
Feel another termination GND of FB2；
Another termination GND of the anti-phase input terminating resistor R24 and resistance R72 of operational amplifier U10A, resistance R24, electricity
Hinder the output terminal of another termination operational amplifier U10A of R72；The output terminal while connecting resistance R25 and electricity of operational amplifier U10A
Hinder R22, another the termination bi-directional voltage stabilizing pipe V28 and capacitance C49 of resistance R22；The other end of bi-directional voltage stabilizing pipe V28 and capacitance C49
Meet GND；The other end output reference voltage TR_REF_VOLTAGE of resistance R22；
The in-phase input end of resistance R25 another terminating resistor R40 and operational amplifier U10B, operational amplifier U10B's is anti-
Mutually input terminating resistor R69 and resistance R29, another termination GND of another terminating resistor R76 of resistance R69, resistance R76；Resistance
The output terminal of another termination operational amplifier U10B of R29, the output terminating resistor R28 of operational amplifier U10B, resistance R28's
Another termination GND of another termination bi-directional voltage stabilizing pipe V23 and capacitance C46, bi-directional voltage stabilizing pipe V23 and capacitance C46；Resistance R28's
Other end output sampled voltage TR_OUT_VOLTAGE；
Another the terminating resistor R70 and electricity of homophase input the terminating resistor R26, resistance R26 of the operational amplifier U10A
Hinder R73, the OUT terminal of another termination integrated regulator U15 of another termination GND of resistance R73, resistance R70；Resistance R69's is another
One terminating resistor R75, resistance R75 connect the OUT terminal of integrated regulator U15；The OUT terminal of integrated regulator U15 meets capacitance C50, electricity
Hold another termination GND of C50；
Another termination GND of BP the termination capacitor C51, capacitance C51 of integrated regulator U15, the IN ends of integrated regulator U15
VCC and capacitance C47 are met, the EN terminating resistor R74 of another termination GND of capacitance C47, integrated regulator U15, resistance R74's is another
One termination VCC.
The integrated regulator U15 is AP7115 integrated circuits.
Branch is provided between the resistance R27 and inductance FB1, the cathode and diode D5 of branch connection diode D4
Anode, the anode of diode D4 meets VCC, and the cathode of diode D5 meets GND.
Beneficial effects of the present invention：A kind of electrical fire detecting system of controlling intelligent household appliances of the present invention, core processing
Unit A1, power-off light current protector B1, which, which realizes, is monitored and controlled the effective of electric disaster hidden-trouble, while realizes to this
A little a small number of, most product informations are effectively gathered and are supplied to client to be inquired about, reminded after sending to service terminal
Deng operation, detection result of the present invention is good, and intelligence degree is high, and stability is good.The residual current detection of current detection module is more
Accurately, TR_REF_VOLTAGE is made of addition amplifying circuit, and residual current sampling is changed into voltage waveform Vs waveforms through R27 and adds
Be downloaded on reference voltage V11 Vin is amplified, ensure sine wave of the amplified waveform for not zero passage.TR_OUT_
VOLTAGE is made of subtraction amplification circuit, it is impossible to which the low current obtained by TR_REF_VOLTAGE samplings is through TR_REF_
After the amplification of VOLTAGE additions amplifying circuit, the maximum current waveform valley amplified by TR_OUT_VOLTAGE is subtracted so that waveform
Close to zero, it can so increase amplification range.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of circuit diagram of the electrical fire detecting system of controlling intelligent household appliances of the present invention；
Fig. 2 is the system mode overhaul flow chart of the present invention.
Fig. 3 is the equipment leakage overhaul flow chart of the present invention.
Fig. 4 is the device temperature overhaul flow chart of the present invention.
Fig. 5 is the circuit diagram of the residual current transformer of the present invention.
Fig. 6 is the Vin voltage waveforms of the present invention.
Fig. 7 is the Vs voltage waveform and Vin voltage waveforms of the present invention.
Fig. 8 is the waveform that the Vs voltage waveforms of the present invention are loaded on Vin voltages.
Fig. 9 is the waveform of reference voltage V11, V21 of the present invention.
Figure 10 is the waveform of the TR_REF_VOLTAGE and TR_OUT_VOLTAGE after V11, V21 loading of the present invention.
Figure 11 is the wireless receiving and transmitting module of the present invention.
Figure 12 is the core processing unit schematic diagram of the present invention.
Embodiment
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, with reference to
Embodiment, the present invention is further explained.
- 11 are please referred to Fig.1, the present invention provides a kind of technical solution：
A kind of electrical fire detecting system of controlling intelligent household appliances, including
Electric loop detection module, it is used for the circuit break-make for detecting household electrical appliance；
Context detection module, it is used for the working environment parameter for detecting household electrical appliance；
Current detection module, its operating current and residual current for being used to detect household electrical appliance；
Voltage detection module, it is used for the operating voltage for detecting household electrical appliance；
Temperature detecting module, its internal operating temperature and conductor temperature for being used to detect household electrical appliance；
Core processing unit A1, it receives the signal of above-mentioned each module and is analyzed, is sent out when detecting unusual condition
Alarm signal is sent to wireless receiving and transmitting module, and is started according to external command or when unusual condition exceedes setting warning line
Power-off protection and light current protection module B1 cut off the power supply of household electrical appliance；
Wireless receiving and transmitting module, it is used to the situation of household electrical appliance being sent to Cloud Server；
The light current of power-off protection and light current protection module B1, its on/off for being used to control household electrical appliance and whole system
Supply；Power-off protection and light current protection module B1 regulation and control broken-circuit controller β 1, broken-circuit controller β 2, broken-circuit controller β 3, open circuit
The action of controller β 4.
Analog signal storage element (a1, a2, a3 ..., a8), it is used to store the data that above-mentioned each module detects.Mould
Intend in information conveyance to analog signal storage element (a1, a2, a3 ..., a8), analog signal storage element carries out digital signal
Pass through after conversion and sent by wireless receiving and transmitting module to Cloud Server.Cloud Server informs that user is clicked through after sale by user's selection
The operations such as row maintenance.
The electric loop detection module includes electrical circuit detection terminal K1, electric loop path induction element t1, electricity
Air circuit open circuit induction element t2；Electrical circuit detection terminal K1 is connected with the performance loop in household electrical appliance, and electric loop leads to
Road induction element t1 and electric loop open circuit induction element t2 measure loop break-makes.
The context detection module includes environment measuring terminal P3, conductor temperature induction element z1 and humidity induction element
z2；Environment measuring terminal P3 is connected with the performance loop in household electrical appliance, in conductor temperature induction element z1 detection household electrical appliance
Performance loop conductor temperature, humidity induction element z2 detect household electrical appliance working environment humidity.
The operating voltage of the voltage detection module detection household electrical appliance, voltage detection module include voltage detecting terminal P1
With voltage induction element kem.
Actuating relay M1, temperature-regulating relay M2, electronic time unit Kd, Power Control and action is further included to calculate
The kernel processor chip A3 and intelligent control module A2 of control.
The current detection module includes operating current detection device e1 and residual current detection device e2；The remaining electricity
Flow detection device includes operational amplifier U10A and operational amplifier U10B,
Another terminating resistor R71 of homophase input terminating resistor R27, resistance R27, the bi-directional voltage stabilizing pipe of operational amplifier U10A
V29, inductance FB1；Another termination GND of resistance R71 and bi-directional voltage stabilizing pipe V29；The other end access bi-directional voltage stabilizing pipe of inductance FB1
V25 and external impressed current mutual inductor, the other end and inductance FB2 of another termination external impressed current mutual inductor of bi-directional voltage stabilizing pipe V25, electricity
Feel another termination GND of FB2；
Another termination GND of the anti-phase input terminating resistor R24 and resistance R72 of operational amplifier U10A, resistance R24, electricity
Hinder the output terminal of another termination operational amplifier U10A of R72；The output terminal while connecting resistance R25 and electricity of operational amplifier U10A
Hinder R22, another the termination bi-directional voltage stabilizing pipe V28 and capacitance C49 of resistance R22；The other end of bi-directional voltage stabilizing pipe V28 and capacitance C49
Meet GND；The other end output reference voltage TR_REF_VOLTAGE of resistance R22；TR_REF_VOLTAGE is by addition amplifying circuit
Form, residual current sampling through R27 be changed into voltage waveform Vs waveforms be loaded into reference voltage V11 on Vin is amplified, guarantor
Demonstrate,prove sine wave of the amplified waveform for not zero passage.
The in-phase input end of resistance R25 another terminating resistor R40 and operational amplifier U10B, operational amplifier U10B's is anti-
Mutually input terminating resistor R69 and resistance R29, another termination GND of another terminating resistor R76 of resistance R69, resistance R76；Resistance
The output terminal of another termination operational amplifier U10B of R29, the output terminating resistor R28 of operational amplifier U10B, resistance R28's
Another termination GND of another termination bi-directional voltage stabilizing pipe V23 and capacitance C46, bi-directional voltage stabilizing pipe V23 and capacitance C46；Resistance R28's
Other end output sampled voltage TR_OUT_VOLTAGE；TR_OUT_VOLTAGE is made of subtraction amplification circuit, it is impossible to by TR_
The low current that REF_VOLTAGE samplings obtain is subtracted by TR_OUT_ after the amplification of TR_REF_VOLTAGE additions amplifying circuit
The maximum current waveform valley of VOLTAGE amplifications so that waveform can so increase amplification range close to zero.
Another the terminating resistor R70 and electricity of homophase input the terminating resistor R26, resistance R26 of the operational amplifier U10A
Hinder R73, the OUT terminal of another termination integrated regulator U15 of another termination GND of resistance R73, resistance R70；Resistance R69's is another
One terminating resistor R75, resistance R75 connect the OUT terminal of integrated regulator U15；The OUT terminal of integrated regulator U15 meets capacitance C50, electricity
Hold another termination GND of C50；Integrated regulator U15 make it that whole electric current is more stable.
Another termination GND of BP the termination capacitor C51, capacitance C51 of integrated regulator U15, the IN ends of integrated regulator U15
VCC and capacitance C47 are met, the EN terminating resistor R74 of another termination GND of capacitance C47, integrated regulator U15, resistance R74's is another
One termination VCC.
The integrated regulator U15 is AP7115 integrated circuits.
Branch is provided between the resistance R27 and inductance FB1, the cathode and diode D5 of branch connection diode D4
Anode, the anode of diode D4 meets VCC, and the cathode of diode D5 meets GND.
The computational methods of the residual current of the present invention
Reference voltage V11, V21 are calculated:
Reference voltage is obtained by 1.5V voltage V15F partial pressures, and calculation formula is as follows：
V11=R70*1.5/ (R70+R73) formulas 1-1
V21=R75*1.5/ (R75+R76) formulas 1-2
TR_REF_VOLTAGE is sampled to calculate
TR_REF_VOLTAGE is made of addition amplifying circuit, and residual current sampling is changed into voltage waveform Vs ripples through R27
Shape be loaded on reference voltage V11 Vin is amplified, ensure sine wave of the amplified waveform for not zero passage, calculation formula
It is as follows：
Vin=Vs+V11 formulas 2-1
TR_REF=(R72/R24+1) * Vin formulas 2-2
Waveform is as shown in figs 6-8.
TR_OUT_VOLTAGE is sampled to calculate
TR_OUT_VOLTAGE is made of subtraction amplification circuit, it is impossible to the low current obtained by TR_REF_VOLTAGE samplings
After the amplification of TR_REF_VOLTAGE additions amplifying circuit, the maximum current waveform paddy amplified by TR_OUT_VOLTAGE is subtracted
Value so that waveform can so increase amplification range, calculation formula is as follows close to zero：
V_+=R25*TR_REF/ (R25+R40) formulas 3-1
TR_OUT=V_+* (R29/R69+1)-V21*R29/R69 formulas 3-2
Because of R25=R69, R40=R29, so
TR_OUT=(TR_REF-V21) * R29/R69 formulas 3-3
Waveform is as shown in figs. 9-10.
Open circuit calculates：
When residual current input terminal is opened a way, then input signal is direct current signal, inputs and is：
Vin=1.5* (R70+R26+R27)/(R70+R26+R27+R71) formula 4-1
The value of TR_REF, TR_OUT can be obtained by being calculated again by formula 2-2, formula 3-3 formula.
Short circuit calculation：
When residual current inputs terminal shortcircuit, then input signal is direct current signal, inputs and is：
Vin=1.5* (R70+R26)/(R70+R26+R71) formula 5-1
The value of TR_REF, TR_OUT can be obtained by being calculated again by formula 2-2, formula 3-3 formula.
The basic principles, main features and the advantages of the invention have been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes fallen in the implication and scope of the equivalency of claim in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (9)
- A kind of 1. electrical fire detecting system of controlling intelligent household appliances, it is characterised in that includingElectric loop detection module, it is used for the circuit break-make for detecting household electrical appliance；Context detection module, it is used for the working environment parameter for detecting household electrical appliance；Current detection module, its operating current and residual current for being used to detect household electrical appliance；Voltage detection module, it is used for the operating voltage for detecting household electrical appliance；Temperature monitoring module, its internal operating temperature and conductor temperature for being used to detect household electrical appliance；Core processing unit, it receives the signal of above-mentioned each module and is analyzed, and alarm is sent when detecting unusual condition Signal starts power-off guarantor according to external command or when unusual condition exceedes setting warning line to wireless receiving and transmitting module Protect with light current protection module to cut off the power supply of household electrical appliance；Wireless receiving and transmitting module, it is used to the situation of household electrical appliance being sent to Cloud Server；The light current supply of power-off protection and light current protection module, its on/off for being used to control household electrical appliance and whole system；Analog signal storage element, it is used to store the data that above-mentioned each module detects.
- A kind of 2. electrical fire detecting system of controlling intelligent household appliances according to claim 1, it is characterised in that the electricity Air circuit detection module includes electrical circuit detection terminal K1, electric loop path induction element t1, electric loop open circuit perception Element t2；Electrical circuit detection terminal K1 is connected with the performance loop in household electrical appliance, electric loop path induction element t1 and Electric loop open circuit induction element t2 measure loop break-makes.
- A kind of 3. electrical fire detecting system of controlling intelligent household appliances according to claim 1, it is characterised in that the ring Border detection module includes environment measuring terminal P3, conductor temperature induction element z1 and humidity induction element z2；Environment measuring terminal P3 is connected with the performance loop in household electrical appliance, the conducting wire of the performance loop in conductor temperature induction element z1 detection household electrical appliance Temperature, humidity induction element z2 detect the working environment humidity of household electrical appliance.
- A kind of 4. electrical fire detecting system of controlling intelligent household appliances according to claim 1, it is characterised in that the electricity Press the operating voltage of detection module detection household electrical appliance.
- 5. the electrical fire detecting system of a kind of controlling intelligent household appliances according to claim 1, it is characterised in that further include Actuating relay, temperature-regulating relay, electronic time unit, Power Control and action calculate control kernel processor chip and Intelligent control module.
- A kind of 6. electrical fire detecting system of controlling intelligent household appliances according to claim 1, it is characterised in that the electricity Stream detection module includes operating current detection device and residual current detection device；The residual current detection device includes computing Amplifier U10A and operational amplifier U10B,Another terminating resistor R71 of homophase input terminating resistor R27, resistance R27 of operational amplifier U10A, bi-directional voltage stabilizing pipe V29, Inductance FB1；Another termination GND of resistance R71 and bi-directional voltage stabilizing pipe V29；The other end access bi-directional voltage stabilizing pipe V25 of inductance FB1 With external impressed current mutual inductor, the other end and inductance FB2 of another termination external impressed current mutual inductor of bi-directional voltage stabilizing pipe V25, inductance Another termination GND of FB2；Another termination GND, resistance R72 of the anti-phase input terminating resistor R24 and resistance R72 of operational amplifier U10A, resistance R24 Another termination operational amplifier U10A output terminal；The output terminal while connecting resistance R25 and resistance of operational amplifier U10A Another the termination bi-directional voltage stabilizing pipe V28 and capacitance C49 of R22, resistance R22；Another termination of bi-directional voltage stabilizing pipe V28 and capacitance C49 GND；The other end output reference voltage TR_REF_VOLTAGE of resistance R22；The in-phase input end of resistance R25 another terminating resistor R40 and operational amplifier U10B, operational amplifier U10B's is anti-phase defeated Enter terminating resistor R69 and resistance R29, another termination GND of another terminating resistor R76 of resistance R69, resistance R76；Resistance R29 Another termination operational amplifier U10B output terminal, the output terminating resistor R28 of operational amplifier U10B, resistance R28's is another Another termination GND of one termination bi-directional voltage stabilizing pipe V23 and capacitance C46, bi-directional voltage stabilizing pipe V23 and capacitance C46；Resistance R28's is another One end output sampled voltage TR_OUT_VOLTAGE.
- A kind of 7. electrical fire detecting system of controlling intelligent household appliances according to claim 6, it is characterised in that：The fortune Another the terminating resistor R70 and resistance R73 of homophase input the terminating resistor R26, resistance R26 of amplifier U10A are calculated, resistance R73's The OUT terminal of another termination integrated regulator U15 of another termination GND, resistance R70；Another terminating resistor R75 of resistance R69, electricity Resistance R75 connects the OUT terminal of integrated regulator U15；The OUT terminal of integrated regulator U15 connects capacitance C50, another termination of capacitance C50 GND；The IN terminations of another termination GND of BP the termination capacitor C51, capacitance C51 of integrated regulator U15, integrated regulator U15 The EN terminating resistor R74 of another termination GND of VCC and capacitance C47, capacitance C47, integrated regulator U15, resistance R74's is another Terminate VCC.
- A kind of 8. electrical fire detecting system of controlling intelligent household appliances according to claim 7, it is characterised in that：The collection It is AP7115 integrated circuits into voltage-stablizer U15.
- A kind of 9. electrical fire detecting system of controlling intelligent household appliances according to claim 8, it is characterised in that：The electricity Branch is provided between resistance R27 and inductance FB1, the cathode of branch connection diode D4 and the anode of diode D5, diode The anode of D4 meets VCC, and the cathode of diode D5 meets GND.
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| CN201810050401.6A CN108022397A (en) | 2018-01-18 | 2018-01-18 | A kind of electrical fire detecting system of controlling intelligent household appliances |
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| CN201810050401.6A CN108022397A (en) | 2018-01-18 | 2018-01-18 | A kind of electrical fire detecting system of controlling intelligent household appliances |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538004A (en) * | 2018-06-15 | 2018-09-14 | 北京乐鸟科技有限公司 | A kind of detector for electric fire protection and electric fire monitoring system |
| CN109164328A (en) * | 2018-10-11 | 2019-01-08 | 深圳华建电力工程设计有限公司 | A kind of high-risk electric appliance detection method of non-intrusion type and device |
| CN110635974A (en) * | 2018-06-21 | 2019-12-31 | 智慧式控股有限公司 | General safety management control and protection system for intelligent household appliances |
| GB2578238A (en) * | 2018-07-16 | 2020-04-22 | Canare I Innovations Ltd | Electrical safety device and system |
| CN116125171A (en) * | 2022-12-27 | 2023-05-16 | 江苏师范大学科文学院 | Safety electricity consumption simulation test system for household appliances |
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