CN110635974A - General safety management control and protection system for intelligent household appliances - Google Patents
General safety management control and protection system for intelligent household appliances Download PDFInfo
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- CN110635974A CN110635974A CN201810646009.8A CN201810646009A CN110635974A CN 110635974 A CN110635974 A CN 110635974A CN 201810646009 A CN201810646009 A CN 201810646009A CN 110635974 A CN110635974 A CN 110635974A
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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
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention belongs to the technical field of fire protection and fire detection and automatic fire extinguishing, and discloses an intelligent household appliance general safety management control and protection system. The intelligent household appliance general safety management control and protection system at least comprises an intelligent appliance linkage system, a storage battery intelligent monitoring system, an appliance safety monitoring system, an appliance intelligent control and guarantee system and a cloud platform computing system which can comprehensively manage and record user data; the storage battery intelligent monitoring system, the electric appliance safety monitoring system, the electric appliance intelligent control guarantee system and the vehicle safety monitoring system are all interconnected and intercommunicated with the cloud platform computing system, and are used for enabling a user to inquire the current running state of the household appliance indoors through the cloud platform computing system, and avoiding short circuit, electric leakage and fire hazard of the household appliance. The linkage effect among all the systems is realized, and a cluster type fire safety guarantee system is formed.
Description
Technical Field
The invention discloses a general safety management control and protection system for intelligent household appliances, and belongs to the technical field of intelligent appliances.
Background
Along with the general promotion of people's living standard, people also increase with day to the demand of various intelligent household electrical appliances, and the household electrical appliances producer also develops rapidly when satisfying people's demand, and same household electrical appliances producer has possessed the ability of producing multiple intelligent household electrical appliances, for example, intelligent air conditioner, intelligent electric rice cooker, intelligent electric pressure cooker, intelligent microwave oven etc.. In addition, along with the popularity of the integrated kitchen, the plurality of intelligent household appliances in the integrated kitchen of the user also come from the same power plant. However, no matter whether various intelligent household appliances in a user home belong to products of the same household appliance manufacturer or products of different household appliance manufacturers, the work of the various intelligent household appliances in the formed intelligent household appliance system is relatively independent, fragmentary and disordered, and linkage is lacked among the various intelligent household appliances, so that an organic and organisable whole cannot be formed, a large amount of time cost, production cost, management cost and control cost are consumed, and unnecessary waste is also caused.
Under the background of development of intelligent home, computer technology, network technology, internet of things technology, cloud computing and other rapid developments, the user can realize controlling one kind of intelligent household appliances in the intelligent household appliance system in one-time operation with the help of wifi, zigbee, long-range high in the clouds control, but can't control multiple intelligent household appliances simultaneously, also can't control their operation according to each running state of multiple intelligent household appliances, consequently, bring a great deal of inconvenience for the user to use multiple intelligent household appliances, can't satisfy the user to humanized, intelligent, the demand of comfortable life.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a general safety management control and protection system for intelligent household appliances so as to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the intelligent household appliance general safety management control and protection system at least comprises an intelligent appliance linkage system, an electrical safety monitoring system, an electrical intelligent control and guarantee system and a cloud platform computing system which can comprehensively manage and record user data; the electric safety monitoring system, the electric intelligent control guarantee system and the vehicle safety monitoring system are all interconnected and intercommunicated with the cloud platform computing system and are used for enabling a user to inquire the current running state of the household appliance indoors through the cloud platform computing system and avoiding short circuit, electric leakage and fire disaster of the household appliance;
the intelligent electric appliance linkage system comprises a medium electric appliance and a plurality of target electric appliances capable of realizing intelligent control through the medium electric appliance; the medium electric appliance is provided with a wireless transmission module, and the target electric appliance is provided with a signal receiving module and a control module capable of controlling the switch of the target electric appliance.
Preferably, the medium electric appliance is a sound box, a voice acquisition and recognition module is arranged in the sound box, the voice acquisition and recognition module is connected with a command conversion module, and the command conversion module is used for making corresponding actions according to the information recognized by the voice acquisition and recognition module and controlling the target electric appliance to be turned on and off; the target appliance is a television or a refrigerator or an air conditioner or a washing machine; the wireless transmission module adopts a Bluetooth module or a WIFI module; the control module is a relay.
Preferably, the electrical safety monitoring system comprises an electrical fire monitoring subsystem and a plurality of integrated electrical fire detection alarm devices which are independently arranged indoors,
the electrical fire monitoring subsystem comprises
The electric loop detection module is used for detecting the loop on-off of the household appliance;
the environment detection module is used for detecting working environment parameters of the household appliance;
the current detection module is used for detecting the working current and the residual current of the household appliance;
the voltage detection module is used for detecting the working voltage of the household appliance;
the core processing unit receives and analyzes the signals of the modules, sends an alarm signal to the wireless receiving and transmitting module when detecting an abnormal condition, and starts the power-off protection and weak current protection module to cut off the power supply of the household appliance according to an external instruction or when the abnormal condition exceeds a set warning line;
the wireless receiving and transmitting module is used for transmitting the condition of the household appliance to the cloud server;
the power-off protection and weak current protection module is used for controlling the on-off of a power supply of the household appliance and the weak current supply of the whole system;
an analog signal storage unit for storing the data detected by the modules;
the integrated electrical fire detection alarm comprises a sensing end, a monitoring control end, an alarm module, an execution end and a wireless signal module; the sensing end collects external characteristic signals, processes the external characteristic signals and transmits the processed external characteristic signals to the monitoring control end and the warning module, and the monitoring control end processes the signals and outputs control signals to the execution end and the wireless signal control module; and the wireless signal control module transmits a signal to the wireless receiving and transmitting module of the electrical fire monitoring subsystem.
Preferably, the electric intelligent control and safeguard system comprises
A concentrator to which a plurality of wireless repeaters are connected; the concentrator is connected with the cloud server through the Ethernet; the concentrator is connected with the mobile phone in a wireless mode;
a wireless repeater connecting the sensor unit, the concentrator and the main control CPU unit;
the sensor unit comprises at least one of a door magnetic alarm sensing unit, a window body oscillation sensing unit, an indoor light sensing unit, a formaldehyde gas sensing unit, a combustible gas sensing unit, a water leakage detection sensing unit, a temperature and humidity sensing unit, a PM2.5 sensing unit and an electricity safety monitoring sensing unit; each sensing unit comprises an independent main control CPU unit, a storage unit and a wireless unit; the wireless unit comprises at least one of a 4G access module, a WIFI access module, a Bluetooth access module and a 433MHz wireless radio frequency module;
and the cloud server is used for analyzing the data provided by the concentrator and feeding back an analysis result to the concentrator.
Preferably, the wireless unit is connected with the wireless router and the concentrator through a wireless protocol stack; the wireless unit comprises a 433MHz wireless radio frequency module, and the 433MHz wireless radio frequency module is used for automatically scanning and discovering the concentrator; the concentrator is in a wireless mode with the mobile phone through Bluetooth or WIFI.
Preferably, the door magnetic alarm sensor comprises a door magnetic sensor, a power supply module, a wireless communication module and a main control circuit,
the power supply module comprises a storage battery BAT1, the negative electrode end of the storage battery BAT1 is grounded, the positive electrode of the storage battery BAT1 is connected with the D electrode of a PMOS tube Q4, and the S electrode of the PMOS tube Q4 is respectively connected with a capacitor C13, a resistor R12, a capacitor C2, a resistor R13, a capacitor C17 and a pin 1 of a linear voltage stabilizer U2; the G pole of the PMOS tube Q4, the other end of the capacitor C13, the other end of the resistor R12, the other end of the capacitor C2, the other end of the capacitor C17 and the pin 2 of the linear voltage regulator U2 are all grounded, and the other end of the resistor R13 is connected with the pin 3 of the linear voltage regulator U2; the pin 5 of the linear voltage regulator U2 is connected with a capacitor C18 and a capacitor C19, and the output VCC3V3, the other ends of the capacitor C18 and the capacitor C19 are grounded.
Preferably, the positive terminal of the battery BAT1 is connected to a resistor R14, the other terminal of the resistor R14 is connected to a resistor R18, a resistor R19 and a G pole of an NMOS transistor Q2, the other terminal of the resistor R18, a D pole of the NMOS transistor Q2 and an S pole of the NMOS transistor Q2 are all grounded, the other terminal of the resistor R19 is connected to the voltage detection terminal of the main control circuit and the capacitor C27, and the other terminal of the capacitor C27 is grounded.
Preferably, a pin 5 of the linear regulator U2 is connected to the resistor R1 and the inductor L1, the other end of the inductor L1 is connected to the resistor R2, and the other end of the resistor R2 is connected to the capacitor C8 and the capacitor C9 and outputs AVDD3V 3; the other end of the resistor R1 is connected with a capacitor C7, a capacitor C6, a capacitor C5, a capacitor C4, a capacitor C21 and a capacitor C16; the other ends of the capacitor C8, the capacitor C9, the capacitor C7, the capacitor C6, the capacitor C5, the capacitor C4, the capacitor C21 and the capacitor C16 are all grounded; the grounding end of the capacitor C16 is connected with a capacitor C20, and the other end of the capacitor C20 is connected with the Decouple end of the main control chip; the main control chip is an EFM32ZG222F32-QFP48 control chip; the model of the linear voltage stabilizer U2 is LP 5907; the wireless communication module adopts an AS10-M44 4463D-TH chip; the voltage input end of VCC3V3 is connected with a resistor R11, a capacitor C12 and the D pole of a PMOS tube Q3, the S pole of the PMOS tube Q3 is connected with a capacitor C1 and the 12 pins of an AS10-M4463D-TH chip, and the other end of the capacitor C1 is grounded;
the other end of the resistor R11, the other end of the capacitor C12 and the G pole of the PMOS transistor Q3 are connected with the D pole of the NMOS transistor Q1, the S pole of the NMOS transistor Q1 is grounded, the G pole of the NMOS transistor Q1 is connected with the resistor R10 and the resistor R15, the other end of the resistor R10 is connected with the EFM32ZG222F32-QFP48 control chip, and the other end of the resistor R15 is grounded.
The invention has the beneficial effects that:
1. the system can basically cover all aspects of daily work and life through the arrangement of the systems, and the cloud platform computing system is used for overall management, so that the linkage effect among the systems is realized, and a cluster type fire and disaster prevention safety guarantee system is formed. Such mode is more intelligent, and is also more comprehensive, makes things convenient for the later stage to increase some modules again.
2. The electrical safety monitoring system provided by the invention can be used for effectively monitoring and controlling the electrical fire hazard, and effectively collecting and sending a small amount of product information and a large amount of product information to a service terminal, and then providing the product information for a client to inquire, remind and the like. The residual current detection of the current detection module is more accurate, TR _ REF _ VOLTAGE is composed of an addition amplifying circuit, residual current sampling is converted into a VOLTAGE waveform Vs through R27, the VOLTAGE waveform Vs is loaded on a reference VOLTAGE V11, Vin is obtained and amplified, and the amplified waveform is guaranteed to be a sine wave which does not pass through zero. The TR _ OUT _ VOLTAGE is composed of a subtraction amplifying circuit, and after a small current which cannot be obtained by sampling the TR _ REF _ VOLTAGE is amplified by the TR _ REF _ VOLTAGE addition amplifying circuit, the valley value of the maximum current waveform amplified by the TR _ OUT _ VOLTAGE is subtracted, so that the waveform is close to zero, and the amplification range can be increased.
3. The invention combines the short-distance wireless network technology with the cloud service technology, and adopts the wireless network networking technology to realize the wireless networking of the intelligent home security equipment, thereby solving the problem that the intelligent home security equipment does not need to be wired and automatically enters the network for remote control, and realizing the full coverage and intellectualization of the network technology; the door magnetic monitoring sensing unit of the system has the characteristics of long service life and excellent cruising ability.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a circuit diagram of an electrical safety monitoring system of the present invention;
FIG. 3 is a flow chart of system status detection according to the present invention.
Fig. 4 is a flowchart of the device leakage detection according to the present invention.
FIG. 5 is a flow chart of the apparatus temperature detection of the present invention.
Fig. 6 is a circuit diagram of a residual current transformer of the present invention.
Fig. 7 shows the Vin voltage waveform of the present invention.
Fig. 8 is a Vs voltage waveform and a Vin voltage waveform of the present invention.
FIG. 9 is a waveform of the present invention with a Vs voltage waveform applied to the Vin voltage.
FIG. 10 shows waveforms of reference voltages V11 and V21 according to the present invention.
FIG. 11 shows the waveforms of TR _ REF _ VOLTAGE and TR _ OUT _ VOLTAGE after V11 and V21 loading according to the present invention.
Fig. 12 is a block diagram of a wireless receiving and transmitting module according to the present invention.
FIG. 13 is a diagram of a core processing unit according to the present invention.
Fig. 14 is a schematic view of an integrated electrical fire detection alarm of the present invention.
FIG. 15 is a schematic view of the memory chip of the present invention plugging the vent hole;
FIG. 16 is a schematic view of the memory chip of the present invention removed from the vent;
fig. 17 is a block diagram of the electrical intelligent control and safeguard system of the present invention.
FIG. 18 is a parameter set scan logic diagram of the present invention.
Figure 19 is a networking logic diagram of the present invention.
Fig. 20 is an operational schematic diagram of the gate magnet monitoring.
Fig. 21 is a circuit block diagram of the gate magnet monitoring.
Fig. 22 is a circuit diagram of a power supply module.
Fig. 23 is a circuit diagram of a wireless communication module.
Fig. 24 is a circuit diagram of the master circuit.
Fig. 25 is a circuit diagram of the door sensor module.
Fig. 26 is a schematic configuration diagram of the electrical intelligent control and safeguard system.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easily understood, the invention is further explained by combining the specific embodiments.
The intelligent household appliance general safety management control and protection system at least comprises an intelligent appliance linkage system, an electrical safety monitoring system, an electrical intelligent control and guarantee system and a cloud platform computing system which can comprehensively manage and record user data; the electrical safety monitoring system, the electrical intelligent control and guarantee system and the cloud platform computing system are mutually communicated, and are used for realizing that a user can inquire the current running state of the household appliance indoors through the cloud platform computing system, and avoiding short circuit, electric leakage and fire of the household appliance;
the intelligent electric appliance linkage system comprises a medium electric appliance and a plurality of target electric appliances capable of realizing intelligent control through the medium electric appliance; the medium electric appliance is provided with a wireless transmission module, and the target electric appliance is provided with a signal receiving module and a control module capable of controlling the switch of the target electric appliance.
This technical scheme has specifically explained general safety control of intelligent domestic appliance and protection system, and this system can connect indoor each domestic appliance with the help of cloud platform computing system to assign operating instruction to each domestic appliance as required. The technical scheme specifically discloses an electrical safety monitoring system and an electrical intelligent control and guarantee system. The system can basically cover all aspects of daily work and life through the arrangement of the systems, and the cloud platform computing system is used for overall management, so that the linkage effect among the systems is realized, and a cluster type fire and disaster prevention safety guarantee system is formed.
Preferably, the medium electric appliance is a sound box, a voice acquisition and recognition module is arranged in the sound box, the voice acquisition and recognition module is connected with a command conversion module, and the command conversion module is used for making corresponding actions according to the information recognized by the voice acquisition and recognition module and controlling the target electric appliance to be turned on and off by the wireless transmission module; the target electrical appliance is a television, a refrigerator, an air conditioner, a washing machine or a water heater; the wireless transmission module adopts a Bluetooth module or a WIFI module; the control module is a relay.
The technical scheme particularly provides a technical scheme which can realize the control of switches of other electrical appliances through one electrical appliance. In real life, it is often desirable to be able to control other appliances more conveniently. For example, when people sit on a sofa, the switch of the water heater and the like are expected to be remotely controlled, but if all the remote controllers are remotely controlled, the remote controllers are inconvenient and the number of the remote controllers is increased. Therefore, the technical scheme takes the sound generated by each family as a medium electric appliance and takes the sound as a medium for transmitting signals to control the switches of other electric appliances. Chinese invention CN200880006579.5 discloses a speech recognition device, a speech recognition method and a speech recognition program, which can realize the functions of the speech acquisition and recognition module and the command conversion module; the wireless transmission module is common knowledge in the technical field of intelligent electrical appliances, and is not described in detail herein. The control module can use the novel Chinese utility model CN201420392158.3 to specifically disclose a wireless intelligent socket for reference, and the switch of the electric appliance can be realized through the relay. With the structure shown in fig. 1, finally, one intermediary electric appliance can control the purposes of a plurality of target electric appliances through voice.
Preferably, the electrical safety monitoring system comprises a voltage detection module;
the voltage detection module detects the working voltage of the household appliance, and comprises a voltage detection terminal P1 and a voltage sensing element kem.
The intelligent timing controller also comprises an action relay M1, a temperature adjusting relay M2, an electronic timing device Kd, a core processing chip A3 for power control and action calculation control and an intelligent control module A2.
The current detection module comprises a working current detection device e1 and a residual current detection device e 2; the residual current detection device comprises an operational amplifier U10A and an operational amplifier U10B,
the non-inverting input end of the operational amplifier U10A is connected with a resistor R27, the other end of the resistor R27 is connected with a resistor R71, a bidirectional voltage regulator tube V29 and an inductor FB 1; the other ends of the resistor R71 and the bidirectional regulator V29 are connected with GND; the other end of the inductor FB1 is connected with a bidirectional voltage regulator tube V25 and an external current transformer, the other end of the bidirectional voltage regulator tube V25 is connected with the other end of the external current transformer and the inductor FB2, and the other end of the inductor FB2 is connected with GND;
the inverting input end of the operational amplifier U10A is connected with the resistor R24 and the resistor R72, the other end of the resistor R24 is connected with GND, and the other end of the resistor R72 is connected with the output end of the operational amplifier U10A; the output end of the operational amplifier U10A is simultaneously connected with a resistor R25 and a resistor R22, and the other end of the resistor R22 is connected with a bidirectional voltage-stabilizing tube V28 and a capacitor C49; the other end of the bidirectional regulator tube V28 and the capacitor C49 is connected with GND; the other end of the resistor R22 outputs a reference VOLTAGE TR _ REF _ VOLTAGE; TR _ REF _ VOLTAGE is composed of an addition amplifying circuit, residual current samples are converted into VOLTAGE waveforms Vs through R27, the VOLTAGE waveforms are loaded on a reference VOLTAGE V11, Vin is obtained and amplified, and the amplified waveforms are guaranteed to be sine waves which are not over zero.
The other end of the resistor R25 is connected with the non-inverting input ends of the resistor R40 and the operational amplifier U10B, the inverting input end of the operational amplifier U10B is connected with the resistor R69 and the resistor R29, the other end of the resistor R69 is connected with the resistor R76, and the other end of the resistor R76 is connected with GND; the other end of the resistor R29 is connected with the output end of the operational amplifier U10B, the output end of the operational amplifier U10B is connected with a resistor R28, the other end of the resistor R28 is connected with a bidirectional voltage-stabilizing tube V23 and a capacitor C46, and the other ends of the bidirectional voltage-stabilizing tube V23 and the capacitor C46 are connected with GND; the other end of the resistor R28 outputs a sampling VOLTAGE TR _ OUT _ VOLTAGE; the TR _ OUT _ VOLTAGE is composed of a subtraction amplifying circuit, and after a small current which cannot be obtained by sampling the TR _ REF _ VOLTAGE is amplified by the TR _ REF _ VOLTAGE addition amplifying circuit, the valley value of the maximum current waveform amplified by the TR _ OUT _ VOLTAGE is subtracted, so that the waveform is close to zero, and the amplification range can be increased.
The non-inverting input end of the operational amplifier U10A is connected with a resistor R26, the other end of the resistor R26 is connected with a resistor R70 and a resistor R73, the other end of the resistor R73 is connected with GND, and the other end of the resistor R70 is connected with the OUT end of the integrated voltage stabilizer U15; the other end of the resistor R69 is connected with a resistor R75, and the resistor R75 is connected with the OUT end of the integrated voltage stabilizer U15; the OUT end of the integrated voltage stabilizer U15 is connected with a capacitor C50, and the other end of the capacitor C50 is connected with GND; the integrated regulator U15 makes the overall current more stable.
The BP of the integrated voltage stabilizer U15 is connected with the capacitor C51, the other end of the capacitor C51 is connected with GND, the IN of the integrated voltage stabilizer U15 is connected with VCC and the capacitor C47, the other end of the capacitor C47 is connected with GND, the EN of the integrated voltage stabilizer U15 is connected with the resistor R74, and the other end of the resistor R74 is connected with VCC.
The integrated voltage regulator U15 is an AP7115 integrated circuit.
A branch circuit is arranged between the resistor R27 and the inductor FB1, the branch circuit is connected with the anode of the diode D4 and the cathode of the diode D5, the cathode of the diode D4 is connected with VCC, and the anode of the diode D5 is connected with GND.
Method for calculating residual current of the invention
Reference voltages V11, V21 calculate:
the reference voltage is obtained by dividing the voltage V15F by 1.5V, and the calculation formula is as follows:
v11 ═ R70 ═ 1.5/(R70+ R73) formula 1-1
V21 ═ R75 ═ 1.5/(R75+ R76) formulae 1-2
Sample TR _ REF _ VOLTAGE calculation
The TR _ REF _ VOLTAGE is composed of an addition amplifying circuit, residual current samples are converted into VOLTAGE waveforms Vs through R27, the VOLTAGE waveforms are loaded on a reference VOLTAGE V11, Vin is obtained and amplified, the amplified waveforms are guaranteed to be sine waves which are not over zero, and the calculation formula is as follows:
Vin-Vs + V11 formula 2-1
TR _ REF ═ (R72/R24+1) × Vin formula 2-2
The waveforms are shown in fig. 6-8.
Sample TR _ OUT _ VOLTAGE calculation
The TR _ OUT _ VOLTAGE is composed of a subtraction amplifying circuit, after a small current which cannot be obtained by sampling TR _ REF _ VOLTAGE is amplified by the TR _ REF _ VOLTAGE addition amplifying circuit, the valley value of the maximum current waveform amplified by the TR _ OUT _ VOLTAGE is subtracted, so that the waveform is close to zero, the amplification range can be enlarged, and the calculation formula is as follows:
v _ +═ R25 ═ TR _ REF/(R25+ R40) formula 3-1
TR _ OUT ═ V _ +(R29/R69 +1) -V21 ═ R29/R69 formula 3-2
Since R25 ═ R69 and R40 ═ R29, the compounds were found to be useful as a protective agent for a vehicle
TR _ OUT ═ (TR _ REF-V21) × R29/R69 formula 3-3
The waveforms are shown in fig. 9-10.
And (3) open circuit calculation:
when the residual current input end is open-circuited, the input signal is a direct current signal, and the input is as follows:
vin-1.5 ═ (R70+ R26+ R27)/(R70+ R26+ R27+ R71) formula 4-1
Then, the values of TR _ REF and TR _ OUT can be calculated by formulas 2-2 and 3-3.
Short circuit calculation:
when the residual current input end is short-circuited, the input signal is a direct current signal, and the input is as follows:
vin-1.5 ═ (R70+ R26)/(R70+ R26+ R71) formula 5-1
Then, the values of TR _ REF and TR _ OUT can be calculated by formulas 2-2 and 3-3.
As shown in fig. 21 to 26, preferably, an electric intelligent control and safeguard system includes
A concentrator to which a plurality of wireless repeaters are connected; the concentrator is connected with the cloud server through the Ethernet; the concentrator is connected with the mobile phone in a wireless mode;
a wireless repeater connecting the sensor unit, the concentrator and the main control CPU unit;
the sensor unit comprises at least one of a door magnetic alarm sensing unit, a window body oscillation sensing unit, an indoor light sensing unit, a formaldehyde gas sensing unit, a combustible gas sensing unit, a water leakage detection sensing unit, a temperature and humidity sensing unit, a PM2.5 sensing unit and an electricity safety monitoring sensing unit; each sensing unit comprises an independent main control CPU unit, a storage unit and a wireless unit; the wireless unit comprises at least one of a 4G access module, a WIFI access module, a Bluetooth access module and a 433MHz wireless radio frequency module;
and the cloud server is used for analyzing the data provided by the concentrator and feeding back an analysis result to the concentrator.
The security system further comprises a human body sensing unit.
The wireless unit is connected with the wireless router and the concentrator through a wireless protocol stack; the wireless unit comprises a 433MHz wireless radio frequency module, and the 433MHz wireless radio frequency module is used for automatically scanning and discovering the concentrator.
The concentrator is in a wireless mode with the mobile phone through Bluetooth or WIFI.
The door magnetic alarm sensor comprises a door magnetic sensor, a power supply module, a wireless communication module and a main control circuit,
the power supply module comprises a storage battery BAT1, the negative electrode end of the storage battery BAT1 is grounded, the positive electrode of the storage battery BAT1 is connected with the D electrode of a PMOS tube Q4, and the S electrode of the PMOS tube Q4 is respectively connected with a capacitor C13, a resistor R12, a capacitor C2, a resistor R13, a capacitor C17 and a pin 1 of a linear voltage stabilizer U2; the G pole of the PMOS tube Q4, the other end of the capacitor C13, the other end of the resistor R12, the other end of the capacitor C2, the other end of the capacitor C17 and the pin 2 of the linear voltage regulator U2 are all grounded, and the other end of the resistor R13 is connected with the pin 3 of the linear voltage regulator U2; the pin 5 of the linear voltage regulator U2 is connected with a capacitor C18 and a capacitor C19, and the output VCC3V3, the other ends of the capacitor C18 and the capacitor C19 are grounded.
The positive end of the battery BAT1 is connected with a resistor R14, the other end of the resistor R14 is connected with a resistor R18, a resistor R19 and a G pole of an NMOS tube Q2, the other end of the resistor R18, a D pole of the NMOS tube Q2 and an S pole of the NMOS tube Q2 are all grounded, the other end of the resistor R19 is connected with a voltage detection end of the master control circuit and a capacitor C27, and the other end of the capacitor C27 is grounded.
A pin 5 of the linear voltage regulator U2 is connected with a resistor R1 and an inductor L1, the other end of the inductor L1 is connected with a resistor R2, and the other end of the resistor R2 is connected with a capacitor C8 and a capacitor C9 and outputs AVDD3V 3; the other end of the resistor R1 is connected with a capacitor C7, a capacitor C6, a capacitor C5, a capacitor C4, a capacitor C21 and a capacitor C16; the other ends of the capacitor C8, the capacitor C9, the capacitor C7, the capacitor C6, the capacitor C5, the capacitor C4, the capacitor C21 and the capacitor C16 are all grounded; the grounding end of the capacitor C16 is connected with a capacitor C20, and the other end of the capacitor C20 is connected with the Decouple end of the main control chip.
The main control chip is an EFM32ZG222F32-QFP48 control chip.
The linear voltage regulator U2 is model number LP 5907.
The wireless communication module adopts an AS10-M44 4463D-TH chip; the voltage input end of VCC3V3 is connected with a resistor R11, a capacitor C12 and the D pole of a PMOS tube Q3, the S pole of the PMOS tube Q3 is connected with a capacitor C1 and the 12 pins of an AS10-M4463D-TH chip, and the other end of the capacitor C1 is grounded;
the other end of the resistor R11, the other end of the capacitor C12 and the G pole of the PMOS transistor Q3 are connected with the D pole of the NMOS transistor Q1, the S pole of the NMOS transistor Q1 is grounded, the G pole of the NMOS transistor Q1 is connected with the resistor R10 and the resistor R15, the other end of the resistor R10 is connected with the EFM32ZG222F32-QFP48 control chip, and the other end of the resistor R15 is grounded.
The specific working method of the system comprises the following steps: the sensor units are independent working units, each sensor unit comprises one or more wireless communication nodes (namely wireless units), the wireless communication nodes send wireless radio frequency to the concentrator through a 433MHz wireless module, one-to-one or one-to-many bidirectional communication is formed, a wireless local area network is formed, and the networking steps are as follows:
a. the mobile terminal of the mobile phone starts the APP and is connected with the concentrator, a user sends a scanning command through the mobile phone, the scanning command comprises frequency hopping scanning, and the concentrator receives the command and scans surrounding equipment;
b. when the wireless communication node of each sensor unit receives the scanning command, the wireless communication node sends the equipment address information of the sensor unit to the concentrator; all devices which do not successfully access the network must reply the node device information to the concentrator;
c. the concentrator selects the sensor unit to send a network access instruction code to the sensor unit; the network access instruction code is similar to a user password and is freely set and input by a user mobile phone APP; the concentrator receives the information of the registration packet, and the sensor unit can be allowed to register only by the network access instruction code and the self network access instruction code;
d. the sensor unit receives the network access instruction code and automatically updates the network access instruction code;
e. the wireless communication node of the sensor unit sends registration data to the concentrator;
f. and the other wireless communication nodes receive the wireless data, and the main control CPU analyzes the data.
g. The concentrator receives the registration command, marks the wireless communication node identifier, and replies the node registration response data according to the communication identifier.
h. And the wireless communication node receives the registration response data, and the equipment identifier is successfully networked. Otherwise, the wireless node jumps to the next channel and returns to the step d.
The scanning command is sent out through the wireless mobile phone APP, and the equipment scanning end information is returned to the mobile phone APP for display.
The wireless unit is connected with the repeater and the concentrator through a wireless protocol stack, and the connection method is that the concentrator in the wireless network is found to select the concentrator to be added into the network through a 433MHz wireless automatic scanning mode.
The concentrator passes through bluetooth or WIFI's a wireless mode and is connected with cell-phone APP, and its ware connected mode is through cell-phone scanning function, or direct input equipment sequence code and concentrator pair connection, can dispose or acquire the parameter of concentrator after connecting, equipment parameter includes one or more that network access instruction code, wireless channel, terminal logic are relevant.
Through the configuration or acquisition of the device parameters of the mobile phone APP, the method specifically comprises the following steps: the mobile phone APP sends a command to the concentrator, after the concentrator main control CPU unit analyzes data according to a protocol, the command is converted into a wireless data packet, and the wireless data packet is sent to the wireless terminal equipment by the 433MHz wireless module in the wireless unit. The command is a scanning command or a parameter acquisition command or a parameter setting command.
After the wireless terminal equipment receives the command sent by the concentrator, the wireless terminal automatically configures the network-in instruction code and the wireless channel, and sends the execution result back to the concentrator, and the concentrator sends the result to the mobile phone APP for display.
While there have been shown and described what are at present considered the fundamental principles of the invention and its essential features and advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms of practicing the invention without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (7)
1. General safety control of intelligent domestic appliance and protection system, its characterized in that: the system at least comprises an intelligent electrical appliance linkage system, an electrical safety monitoring system, an electrical intelligent control and guarantee system and a cloud platform computing system which can comprehensively manage the systems and record user data; the electrical safety monitoring system and the electrical intelligent control and guarantee system are mutually communicated with the cloud platform computing system and are used for enabling a user to inquire the current running state of the household appliance indoors through the cloud platform computing system and avoiding short circuit, electric leakage and fire disaster of the household appliance;
the intelligent electric appliance linkage system comprises a medium electric appliance and a plurality of target electric appliances capable of realizing intelligent control through the medium electric appliance; the medium electric appliance is provided with a wireless transmission module, and the target electric appliance is provided with a signal receiving module and a control module capable of controlling the switch of the target electric appliance.
2. The intelligent home appliance universal safety management control and protection system according to claim 1, wherein: the medium electric appliance is a sound box, a voice acquisition and recognition module is arranged in the sound box, the voice acquisition and recognition module is connected with a command conversion module, and the command conversion module is used for making corresponding actions according to the information recognized by the voice acquisition and recognition module and controlling the target electric appliance to be turned on and off by the wireless transmission module; the wireless transmission module adopts a Bluetooth module or a WIFI module; the control module is a relay.
3. The intelligent home appliance universal safety management control and protection system according to claim 1, wherein: the electrical safety monitoring system comprises an electrical fire monitoring subsystem and a plurality of integrated electrical fire detection alarm devices which are independently arranged indoors,
the electrical fire monitoring subsystem comprises
The electric loop detection module is used for detecting the loop on-off of the household appliance;
the environment detection module is used for detecting working environment parameters of the household appliance;
the current detection module is used for detecting the working current and the residual current of the household appliance;
the voltage detection module is used for detecting the working voltage of the household appliance;
the gas concentration detection module is used for detecting the household gas safety; the gas concentration detection module comprises a plurality of gas detectors;
the core processing unit receives and analyzes the signals of the modules, sends an alarm signal to the wireless receiving and transmitting module when detecting an abnormal condition, and starts the power-off protection and weak current protection module to cut off the power supply of the household appliance according to an external instruction or when the abnormal condition exceeds a set warning line;
the wireless receiving and transmitting module is used for transmitting the condition of the household appliance to the cloud server;
the power-off protection and weak current protection module is used for controlling the on-off of a power supply of the household appliance and the weak current supply of the whole system;
an analog signal storage unit for storing the data detected by the modules;
the integrated electrical fire detection alarm comprises a sensing end, a monitoring control end, an alarm module, an execution end and a wireless signal module; the sensing end collects external characteristic signals, processes the external characteristic signals and transmits the processed external characteristic signals to the monitoring control end and the warning module, and the monitoring control end processes the signals and outputs control signals to the execution end and the wireless signal control module; and the wireless signal control module transmits a signal to the wireless receiving and transmitting module of the electrical fire monitoring subsystem.
4. The intelligent home appliance universal safety management control and protection system according to claim 1, wherein; the electric intelligent control and safeguard system comprises
A concentrator to which a plurality of wireless repeaters are connected; the concentrator is connected with the cloud server through the Ethernet; the concentrator is connected with the mobile phone in a wireless mode;
a wireless repeater connecting the sensor unit, the concentrator and the main control CPU unit;
the sensor unit comprises at least one of a door magnetic alarm sensing unit, a window body oscillation sensing unit, an indoor light sensing unit, a formaldehyde gas sensing unit, a combustible gas sensing unit, a water leakage detection sensing unit, a temperature and humidity sensing unit, a PM2.5 sensing unit and an electricity safety monitoring sensing unit; each sensing unit comprises an independent main control CPU unit, a storage unit and a wireless unit; the wireless unit comprises at least one of a 4G access module, a WIFI access module, a Bluetooth access module and a 433MHz wireless radio frequency module;
and the cloud server is used for analyzing the data provided by the concentrator and feeding back an analysis result to the concentrator.
5. The intelligent household appliance universal safety management control and protection system according to claim 4, wherein: the wireless unit is connected with the wireless router and the concentrator through a wireless protocol stack; the wireless unit comprises a 433MHz wireless radio frequency module, and the 433MHz wireless radio frequency module is used for automatically scanning and discovering the concentrator; the concentrator is in a wireless mode with the mobile phone through Bluetooth or WIFI.
6. The intelligent household appliance universal safety management control and protection system according to claim 5, wherein: the door magnetic alarm sensor comprises a door magnetic sensor, a power supply module, a wireless communication module and a main control circuit,
the power supply module comprises a storage battery BAT1, the negative electrode end of the storage battery BAT1 is grounded, the positive electrode of the storage battery BAT1 is connected with the D electrode of a PMOS tube Q4, and the S electrode of the PMOS tube Q4 is connected with a pin 1 of a capacitor C13, a resistor R12, a capacitor C2, a resistor R13, a capacitor C17 and a linear voltage stabilizer U2 respectively; the G pole of the PMOS tube Q4, the other end of the capacitor C13, the other end of the resistor R12, the other end of the capacitor C2, the other end of the capacitor C17 and the pin 2 of the linear voltage regulator U2 are all grounded, and the other end of the resistor R13 is connected with the pin 3 of the linear voltage regulator U2; a pin 5 of the linear voltage regulator U2 is connected with the capacitor C18 and the capacitor C19, VCC3V3 is output, and the other ends of the capacitor C18 and the capacitor C19 are grounded; the positive end of the battery BAT1 is connected with a resistor R14, the other end of the resistor R14 is connected with a resistor R18, a resistor R19 and a G pole of an NMOS tube Q2, the other end of the resistor R18, a D pole of the NMOS tube Q2 and an S pole of the NMOS tube Q2 are all grounded, the other end of the resistor R19 is connected with a voltage detection end of the master control circuit and a capacitor C27, and the other end of the capacitor C27 is grounded.
7. The intelligent household appliance universal safety management control and protection system according to claim 6, wherein: a pin 5 of the linear voltage regulator U2 is connected with a resistor R1 and an inductor L1, the other end of the inductor L1 is connected with a resistor R2, and the other end of the resistor R2 is connected with a capacitor C8 and a capacitor C9 and outputs AVDD3V 3; the other end of the resistor R1 is connected with a capacitor C7, a capacitor C6, a capacitor C5, a capacitor C4, a capacitor C21 and a capacitor C16; the other ends of the capacitor C8, the capacitor C9, the capacitor C7, the capacitor C6, the capacitor C5, the capacitor C4, the capacitor C21 and the capacitor C16 are all grounded; the grounding end of the capacitor C16 is connected with a capacitor C20, and the other end of the capacitor C20 is connected with the Decouple end of the main control chip; the main control chip is an EFM32ZG222F32-QFP48 control chip; the model of the linear voltage stabilizer U2 is LP 5907; the wireless communication module adopts an AS10-M44 4463D-TH chip; the voltage input end of VCC3V3 is connected with a resistor R11, a capacitor C12 and the D pole of a PMOS tube Q3, the S pole of the PMOS tube Q3 is connected with a capacitor C1 and the 12 pins of an AS10-M4463D-TH chip, and the other end of the capacitor C1 is grounded; the other end of the resistor R11, the other end of the capacitor C12 and the G pole of the PMOS transistor Q3 are connected with the D pole of the NMOS transistor Q1, the S pole of the NMOS transistor Q1 is grounded, the G pole of the NMOS transistor Q1 is connected with the resistor R10 and the resistor R15, the other end of the resistor R10 is connected with the EFM32ZG222F32-QFP48 control chip, and the other end of the resistor R15 is grounded.
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