CN113741284A - Household intelligent supervision system - Google Patents
Household intelligent supervision system Download PDFInfo
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- CN113741284A CN113741284A CN202111038124.5A CN202111038124A CN113741284A CN 113741284 A CN113741284 A CN 113741284A CN 202111038124 A CN202111038124 A CN 202111038124A CN 113741284 A CN113741284 A CN 113741284A
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- 238000001514 detection method Methods 0.000 claims abstract description 47
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 24
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 22
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 6
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 40
- 239000003990 capacitor Substances 0.000 claims description 40
- 229910052710 silicon Inorganic materials 0.000 claims description 40
- 239000010703 silicon Substances 0.000 claims description 40
- 239000013078 crystal Substances 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 150000002641 lithium Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
Abstract
The invention discloses a family intelligent supervision system, which comprises: the intelligent electric appliance control system comprises a main control module, a peripheral circuit, a power supply module, a detection module, a GPS module, a communication module and a control module, wherein the main control module comprises a chip U15, the peripheral circuit is connected with the main control module, the power supply module provides stable 3.3V voltage for the system, the power supply module comprises a power supply circuit, a lithium battery charging circuit, a lithium battery protection circuit and a voltage stabilizing circuit, the detection module comprises a temperature detection circuit, a humidity detection circuit, a light intensity detection circuit, a combustible gas detection circuit and an infrared heat release detection circuit, the communication module is connected with a communication port of the main control module, the communication module comprises a 4G communication circuit, a WIFI circuit and an LORA circuit, and the control module can control a non-intelligent electric appliance; the intelligent control system has various safety monitoring functions, various communication modes, capability of realizing intelligent control on the non-intelligent electric appliance and good market application value.
Description
Technical Field
The invention relates to the field of intelligent home furnishing, in particular to a household intelligent supervision system.
Background
Along with scientific progress and social development, the requirement of people on living quality is higher and higher, and intelligent control system is also more and more applied to among people's the life of house, and current intelligent management system of family adopts bluetooth or WIFI mode to realize the control to the intelligent household electrical appliances who has loaded communication chip mostly, and the function is single, does not possess the detection to the interior environmental safety of family, also can not control non-intelligent electrical apparatus.
Disclosure of Invention
Aiming at the defects of the existing household intelligent management system, the invention provides the household intelligent supervision system which has various safety monitoring functions, various communication modes and can intelligently control the non-intelligent electric appliances.
The technical scheme adopted by the invention for solving the technical problems is as follows:
provided is a home intelligent supervision system, including: host system, peripheral circuit, power module, detection module, GPS module, communication module and control module, host system includes chip U15, peripheral circuit with host system links to each other, power module provides stable 3.3V voltage for the system, power module includes supply circuit, lithium battery charging circuit, lithium battery protection circuit and voltage stabilizing circuit, detection module with host system links to each other, detection module includes temperature detect circuit, humidity detect circuit, light intensity detect circuit, combustible gas detect circuit and infrared heat release detect circuit, communication module with host system's communication mouth is connected, communication module includes 4G communication circuit, WIFI circuit and LORA circuit, control module with the delivery outlet of master control links to each other, can realize the intelligent control to non-intelligent electrical apparatus.
Further, a crystal oscillator S2 is connected between the 5 pin and the 6 pin of the chip U15, two ends of the crystal oscillator S2 are grounded through capacitors C27 and C28, respectively, a first lead of the 7 pin of the chip U15 is grounded through a key S3, a second lead is grounded through a capacitor C34, a third lead is connected with 3.3V voltage through a resistor R23, and the model of the chip U15 is STM32L412T 8.
Further, the peripheral circuit comprises a time circuit, a display circuit, a watchdog circuit, a DEBUG circuit and a key circuit, the time circuit comprises a chip U7, pins 2, 3 and 5 of the chip U7 are respectively connected with pins 40, 39 and 38 of the chip U15, pull-up resistors R13 and R11 are respectively arranged at pins 40 and 39 of the chip U15, the chip U7 is SD2098 in model, the display circuit comprises a display interface M1, pins 2 and 3 of the display interface M1 are respectively connected with pins 40 and 39 of the chip U15, the watchdog circuit comprises a chip U8, pins 1 and 4 of the chip U8 are respectively connected with pins 7 and 45 of the chip U15, the chip U8 is MAX 596824 2, the DEBUG circuit comprises an interface T4, pins 2 and 4 of the interface T4 are respectively connected with pins 37 and 34 of the chip U15, and the key circuit comprises a S4 circuit, S5, S6 and S7, the first ends of the keys S4, S5, S6 and S7 are grounded, and the second ends are respectively connected with the 2, 3, 11 and 12 pins of the chip U15.
Further, the power supply circuit comprises an interface T3, wherein a pin 1 of the interface T3 is grounded, and a pin 4 is connected with a voltage of 5V through a fuse F2; the lithium battery protection circuit comprises a chip U3, a first lead of a 5-pin of the chip U3 is connected with the cathode of a battery BT1 through a capacitor C6, a second lead is connected with the first end of a fuse F1 through a resistor R1, the second end of the fuse F1 is connected with the anode of the battery BT1, a 6-pin of the chip U3 is connected with the cathode of the battery BT1, a 4-pin is connected with the cathode of the battery BT1 through a capacitor C8, a 1-pin is connected with the grid of an MOS tube Q2, a 3-pin is connected with the grid of an MOS tube Q3, the source of the MOS tube Q2 is connected with the cathode of the battery BT1, the drain of the MOS tube Q3, the source of the MOS tube Q3 is grounded, a first lead of a 2-pin of the chip 493U 3 is grounded through a resistor R2, a second lead is connected with the cathode of the battery BT1 through a capacitor C7, and the model number of the chip U82 3 is S-8261; lithium battery charging circuit includes chip U1, 1 pin of chip U1 connects 5V voltage, and 2, 3 and 4 pins connect respectively 27, 26 and 25 pins of chip U15, 8 pins of chip U1 connect the first end of fuse F1, the model of chip U1 is SGM 4056.
Further, the voltage stabilizing circuit comprises a chip U5 and a chip U2, wherein 3 pins of the chip U5 are connected with 5V voltage, 2 pins of the chip U2 are connected with 3.3V voltage, 3 pins of the chip U2 are connected with a source electrode of an MOS tube Q1, a drain electrode of the MOS tube Q1 is connected with a first end of the fuse F1, a grid electrode of the MOS tube Q1 is connected with 46 pins of the chip U15, 2 pins of the chip U2 are connected with 3.3V voltage, and the types of the chips U5 and U2 are LM 1085-3.3.
Further, the humidity detection circuit comprises a chip U17 and a capacitive RH humidity sensor C48, a first lead of a first end of the capacitive RH humidity sensor C48 is connected with a 2 pin of the chip U17, a second lead is connected with a 3.3V power supply through a resistor R30 and a resistor R28, a second end of the capacitive RH humidity sensor C48 is grounded, a 3 pin of the chip U17 is connected with a 41 pin of the chip U15, and the model of the chip U17 is NE 7555; the combustible gas detection circuit comprises an interface U16, wherein 1 pin of the interface U16 is connected with 3.3V voltage, 3 pins are grounded, and 2 pins are connected with 14 pins of the chip U15; the infrared pyroelectric detection circuit comprises a pyroelectric infrared sensor U9, and a pin 2 of the pyroelectric infrared sensor U9 is connected with a pin 4 of the chip U15; the light intensity detection circuit comprises a photoresistor R10, wherein the first end of the photoresistor R10 is connected with 3.3V voltage, the first lead of the second end of the photoresistor R10 is grounded through a resistor R12, and the second lead is connected with the 10 pins of the chip U15; the temperature detection circuit comprises a thermistor R27, the first end of the photoresistor R27 is connected with 3.3V voltage, the first lead of the second end of the photoresistor R27 is connected with the ground through a resistor R29, and the second lead is connected with the 13 pins of the chip U15.
Further, the GPS module includes a chip U4, a pin 11 of the chip U4 is connected to an antenna T2 through an inductor L1 and a capacitor C18, both ends of the inductor L1 are grounded through capacitors C13 and C14, pins 4, 20, and 21 of the chip U4 are connected to pins 20, 22, and 21 of the chip U15, respectively, and the chip U4 is of a NEO-8Q type.
Further, the 4G communication circuit includes a chip U6 and a SIM interface T1, pins 3 and 4 of the chip U6 are respectively connected to pins 43 and 42 of the chip U15, pin 5 of the chip U6 is connected to ground through a light emitting diode D1 and a resistor R7, pin 6 is connected to ground through a light emitting diode D7 and a resistor R8, pin 7 is connected to ground through a light emitting diode D3 and a resistor R9, pins 8, 9, 10, and 11 of the chip U6 are respectively connected to pins 5, 4, 3, and 2 of the SIM interface T1, pins 1 and 5 of the SIM interface T1 are connected, diodes D4, D5, and D6 are respectively disposed between pins 9, 10, and 11 of the chip U6 and ground, and the model number of the chip U6 is Tas-e29 v-G; the WIFI circuit comprises a chip U13, a crystal oscillator S1 is connected between pins 26 and 27 of the chip U13, a pin 2 is connected with an antenna T5 through an inductor L3 and a capacitor C33, two ends of the inductor L3 are respectively grounded through capacitors C35 and C36, pins 25 and 26 of the chip U13 are respectively connected with pins 31 and 30 of the chip U15, a pin 21 of the chip U13 is connected with a pin 6 of the chip U10 through a resistor R24, pins 18, 19, 20, 22 and 23 are respectively connected with pins 7, 3, 1, 2 and 5 of the chip U10, the model of the chip U13 is 8266EX, and the model of the chip U10 is AT 25320; the LORA circuit comprises a chip U21, a crystal oscillator S9 connected between 5 pins and 6 pins of the chip U21, pins 16, 17, 18, 19 and 20 of the chip U21 respectively connected with pins 15, 16, 17, 18 and 19 of the chip U15, a first lead of pin 1 of the chip U21 is grounded through an inductor L5, a second lead is connected with pin 1 of the chip U19 through capacitors C50 and C51, a first lead of pin 25 of the chip U21 is connected with a first end of an inductor L8, a second lead is grounded through capacitors C66 and C67 which are connected in parallel, a pin 27 of the chip U21 is connected with a first end of an inductor L9, a first lead of a second end of the inductor L9 is connected with a second end of an inductor L8, a second lead is connected with a pin 3 of the chip U19 through a capacitor C58, a first lead of pin 4 of the chip U19 is grounded through a capacitor C63, a second lead is connected with a pin 12772 of the chip U12758, the model of the chip U19 is PE 4259.
Further, the control module comprises a first power supply control loop, a second power supply control loop and a third power supply control loop, the first power supply control loop comprises a photoelectric coupler U11 and a controlled silicon Q4, a 2 pin of the photoelectric coupler U11 is connected with a 33 pin of the chip U15, a 3 pin is connected with a 1 pin of the controlled silicon Q4, a 4 pin is connected with a 3 pin of the controlled silicon Q4 through a resistor R16, a 2 pin of the controlled silicon Q4 is connected with a 2 pin of the socket K1, and alternating current 220V voltage is connected between the 1 pin of the socket K1 and the 1 pin of the controlled silicon Q4; the second power supply control loop comprises a photoelectric coupler U12 and a controlled silicon Q5, wherein a pin 2 of the photoelectric coupler U12 is connected with a pin 32 of the chip U15, a pin 3 of the photoelectric coupler U12 is connected with a pin 1 of the controlled silicon Q5, a pin 4 of the photoelectric coupler U12 is connected with a pin 3 of the controlled silicon Q5 through a resistor R21, a pin 2 of the controlled silicon Q5 is connected with a pin 2 of the socket K2, and alternating-current 220V voltage is connected between a pin 1 of the socket K2 and a pin 1 of the controlled silicon Q5; the third power control loop comprises a photoelectric coupler U14 and a controlled silicon Q6, wherein a 2 pin of the photoelectric coupler U14 is connected with a 28 pin of the chip U15, a 3 pin of the photoelectric coupler U14 is connected with a 1 pin of the controlled silicon Q6, a 4 pin of the photoelectric coupler U14 is connected with a 3 pin of the controlled silicon Q6 through a resistor R26, a 2 pin of the controlled silicon Q6 is connected with a 2 pin of the socket K3, an alternating current 220V voltage is connected between the 1 pin of the socket K3 and the 1 pin of the controlled silicon Q6, the photoelectric couplers U11, U12 and U14 are MOC3051 in model, and the controlled silicon Q4, Q5 and Q6 are BT136 in model.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has a plurality of communication modes, when a user is at home, the communication between the system and a mobile terminal or an intelligent electric appliance can be carried out by using a WIFI or LORA network, so that the control on the indoor electric appliance is realized on a mobile phone, the LORA network is used for the communication between the same equipment in different rooms of the home, the signal is good, the phenomenon of signal difference or no signal can not occur in the room separated by the WIFI and the Bluetooth, when the user is outdoors, the connection between the mobile phone and the system can be realized by using 4G network communication, the user can check indoor information or control the on-off of the electric appliance on the mobile phone, meanwhile, the system can also realize the automatic routing function, and when the signal difference of the indoor mobile phone occurs, the user can be connected with the system through the WIFI to carry out 4G communication on the outside;
2. the intelligent control system is provided with three power supply control loops, and intelligent control of non-intelligent electric appliances such as a fan, a humidifier, a dryer, an alarm and the like can be realized by plugging a power line of the electric appliances into the power supply control loops;
3. the invention has a plurality of detection functions, has temperature and humidity detection, can start the air conditioner or the humidifier when the temperature or the humidity is too high or too low, keeps the indoor environment comfortable, has an infrared heat release detection module, realizes the functions of theft prevention and fire prevention according to different detection thresholds, the invention has a photoresistor, can detect the illumination, realizes the automatic turning on of the lamp indoors, is particularly suitable for families of old people and children with inconvenient actions, and is provided with a combustible gas detection module, when the detection is that CO, methane and the like exceed standards, a fan on a 220V control loop is switched on or an indoor intelligent ventilation system is started to ventilate and give an alarm through a mobile phone, and meanwhile, a user can check various detection information on the mobile phone at any time through a communication module;
4. the invention has time circuit and display circuit, facilitate users to look over information such as time and indoor humiture at any time;
5. the invention adopts the USB interface to supply power, is convenient to use, is provided with the standby lithium battery, can automatically charge the standby lithium battery which is not fully charged when the power is on, closes the charging circuit after the standby lithium battery is fully charged, and can automatically switch to the lithium battery to supply power when the USB interface does not supply power.
Drawings
FIG. 1 is a schematic diagram of a principle structure of a main control module according to the present invention;
FIG. 2 is a schematic diagram of the peripheral circuit of the present invention;
FIG. 3 is a schematic diagram of the schematic structure of the power supply circuit of the present invention;
FIG. 4 is a schematic diagram of a schematic structure of a lithium battery charging circuit according to the present invention;
FIG. 5 is a schematic diagram of a schematic structure of a lithium battery protection circuit according to the present invention;
FIG. 6 is a schematic diagram of a schematic structure of a voltage regulator circuit according to the present invention;
FIG. 7 is a schematic structural diagram of a detection module according to the present invention;
FIG. 8 is a schematic diagram of the GPS module of the present invention;
FIG. 9 is a schematic diagram of a 4G communication circuit according to the present invention;
fig. 10 is a schematic structural diagram of a WIFI circuit of the present invention;
FIG. 11 is a schematic diagram of the LORA circuit of the present invention;
fig. 12 is a schematic structural diagram of a control module according to the present invention.
Detailed Description
For the purposes of promoting an understanding of the invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout; rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The invention is described in detail below with reference to the accompanying drawings: embodiment 1, as shown in fig. 1 to 11, provides a home intelligent supervision system, including: host system, peripheral circuit, power module, detection module, GPS module, communication module and control module, host system includes chip U15, peripheral circuit with host system links to each other, power module provides stable 3.3V voltage for the system, power module includes supply circuit, lithium battery charging circuit, lithium battery protection circuit and voltage stabilizing circuit, detection module with host system links to each other, detection module includes temperature detect circuit, humidity detect circuit, light intensity detect circuit, combustible gas detect circuit and infrared heat release detect circuit, communication module with host system's communication mouth is connected, communication module includes 4G communication circuit, WIFI circuit and LORA circuit, control module with the delivery outlet of master control links to each other, can realize the intelligent control to non-intelligent electrical apparatus.
STM32L412T8 is a low-power consumption, has multichannel communication interface' S MCU chip, and button S3 is the button that resets for the reset of master control chip.
In this embodiment, the time circuit can provide specific information of the year, the month, the day and the time for the main control module, the display circuit can enable a user to check information of the time, the temperature, the humidity and the like on the display screen, the watchdog circuit can enhance the safety and the stability of the system, and the DEBUG circuit is used for debugging programs of the main control module.
In this embodiment, the system uses a USB interface to supply power, the supply voltage is 5V, SGM4056 is a battery management chip for controlling the charging of the backup lithium battery, and can provide the electric quantity information of the backup lithium battery for the main control module, S-8261 is a protection chip of a lithium polymer rechargeable battery with a built-in high-precision voltage detection circuit and a delay circuit, and can prevent the battery from being overcharged, and the fuse F1 can prevent the circuit from being overcurrent.
In the embodiment, the voltage stabilizing circuit converts the externally input 5V voltage into 3.3V output, or converts the battery power supply into 3.3V output, and when the external power supply is powered off, the main control module selects to use the battery power supply input by controlling the MOS tube Q1, so that the automatic switching to the lithium battery power supply is realized when no USB power supply exists.
In this embodiment, humidity detection circuit is used for detecting indoor humidity information, the indoor temperature information of temperature detection circuit detectable, host system can be according to setting for and temperature and humidity information automatic open air conditioner or humidifier etc, guarantee that the indoor environment is comfortable, light intensity detection circuit detectable illumination intensity, realize indoor automatic open electric light, combustible gas detection circuit detectable is indoor like CO, the concentration of combustible gas such as methane, when combustible gas's concentration surpassed to set for, can open fan or intelligent air exchange system according to the user setting, and send alarm information for the user, infrared heat release detection circuit can judge whether someone gets into indoor or whether there is the conflagration condition according to the infrared ray.
The GPS module can realize the positioning of the system, so that a user can master the position information of the device at any time, and the inductor L1, the capacitors C13 and C14 form a filter circuit with strong anti-interference performance.
In this embodiment, the WIFI circuit is used for the communication between this system and indoor intelligent house or user's cell-phone, because LORA network signal is good, can not separate the room like WIFI and bluetooth signal and just there is no signal poor or no signal, indoor floor or room are when more, can carry on a plurality of this systems, the communication between a plurality of systems can be realized to the LORA circuit, thereby the signal does not attenuate when realizing controlling electrical apparatus in many floors or rooms, control signal is good, 4G communication is used for the remote communication between system and the cell-phone, realize that user's remote receipt information and long-range control indoor electrical apparatus, this system still can realize automatic routing function simultaneously, the user is when indoor cell-phone signal is poor, accessible WIFI connects this system and carries out 4G communication to the external world, all be provided with pi type filter circuit in each communication antenna department, the interference killing feature of system communication has been strengthened.
In this embodiment, three routes power control circuit is used for connecting non-intelligent electrical apparatus, for example fan, humidifier, drying apparatus, electric light, alarm etc. only need to insert the power cord of non-intelligent electrical apparatus in the socket, and host system can realize the intelligent control of non-intelligent electrical apparatus according to the control demand through controlling switching on of silicon controlled rectifier.
The working principle of the invention is as follows:
when a user needs to remotely control an indoor electric appliance, the communication between a user mobile phone and a main control module can be realized through a 4G communication module, the user sends a control signal, if the control electric appliance is a non-intelligent electric appliance, the main control sends the control signal to the control module, the control is finished corresponding to the conduction of a silicon controlled rectifier in a power supply control loop, and if the control electric appliance is an intelligent electric appliance, the main control module can communicate with the intelligent electric appliance through a WIFI circuit or an LORA circuit to finish the control;
meanwhile, the system is provided with various modules such as temperature, humidity, combustible gas, illumination and infrared heat release detection, indoor conditions are monitored at any time, abnormal conditions can send alarm information to users, and the users can check indoor monitoring information at any time through mobile phones.
The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A home intelligent supervision system, comprising: host system, peripheral circuit, power module, detection module, GPS module, communication module and control module, host system includes chip U15, peripheral circuit with host system links to each other, power module provides stable 3.3V voltage for the system, power module includes supply circuit, lithium battery charging circuit, lithium battery protection circuit and voltage stabilizing circuit, detection module with host system links to each other, detection module includes temperature detect circuit, humidity detect circuit, light intensity detect circuit, combustible gas detect circuit and infrared heat release detect circuit, communication module with host system's communication mouth is connected, communication module includes 4G communication circuit, WIFI circuit and LORA circuit, control module with the delivery outlet of master control links to each other, can realize the intelligent control to non-intelligent electrical apparatus.
2. A home intelligent monitoring system according to claim 1, wherein a crystal oscillator S2 is connected between 5 pins and 6 pins of the chip U15, two ends of the crystal oscillator S2 are respectively grounded through capacitors C27 and C28, a first lead of 7 pins of the chip U15 is grounded through a key S3, a second lead is grounded through a capacitor C34, a third lead is connected with 3.3V through a resistor R23, and the model of the chip U15 is STM32L412T 8.
3. A home intelligent supervision system according to claim 1, wherein the peripheral circuits comprise a time circuit, a display circuit, a watchdog circuit, a DEBUG circuit and a key circuit, the time circuit comprises a chip U7, pins 2, 3 and 5 of the chip U7 are respectively connected with pins 40, 39 and 38 of the chip U15, pull-up resistors R13 and R11 are respectively arranged at pins 40 and 39 of the chip U15, the chip U7 is of type SD2098, the display circuit comprises a display interface M1, pins 2 and 3 of the display interface M1 are respectively connected with pins 40 and 39 of the chip U15, the watchdog circuit comprises a chip U8, pins 1 and 4 of the chip U8 are respectively connected with pins 7 and 45 of the chip U15, the chip U8 is of type 824 MAX824S, the DEBUG circuit comprises an interface T4, and pins 2 and 4 of the interface T4 are respectively connected with pins 15 and 34 of the chip U15, the key circuit comprises keys S4, S5, S6 and S7, wherein first ends of the keys S4, S5, S6 and S7 are grounded, and second ends of the keys S4, S5, S6 and S7 are respectively connected with pins 2, 3, 11 and 12 of the chip U15.
4. The system of claim 1, wherein the power supply circuit comprises an interface T3, a pin 1 of the interface T3 is grounded, and a pin 4 is connected with a voltage of 5V through a fuse F2; the lithium battery protection circuit comprises a chip U3, a first lead of a 5-pin of the chip U3 is connected with the cathode of a battery BT1 through a capacitor C6, a second lead is connected with the first end of a fuse F1 through a resistor R1, the second end of the fuse F1 is connected with the anode of the battery BT1, a 6-pin of the chip U3 is connected with the cathode of the battery BT1, a 4-pin is connected with the cathode of the battery BT1 through a capacitor C8, a 1-pin is connected with the grid of an MOS tube Q2, a 3-pin is connected with the grid of an MOS tube Q3, the source of the MOS tube Q2 is connected with the cathode of the battery BT1, the drain of the MOS tube Q3, the source of the MOS tube Q3 is grounded, a first lead of a 2-pin of the chip 493U 3 is grounded through a resistor R2, a second lead is connected with the cathode of the battery BT1 through a capacitor C7, and the model number of the chip U82 3 is S-8261; lithium battery charging circuit includes chip U1, 1 pin of chip U1 connects 5V voltage, and 2, 3 and 4 pins connect respectively 27, 26 and 25 pins of chip U15, 8 pins of chip U1 connect the first end of fuse F1, the model of chip U1 is SGM 4056.
5. The system of claim 4, wherein the voltage regulator circuit comprises chips U5 and U2, the 3 pin of the chip U5 is connected to 5V voltage, the 2 pin is connected to 3.3V voltage, the 3 pin of the chip U2 is connected to the source of MOS transistor Q1, the drain of MOS transistor Q1 is connected to the first end of the fuse F1, the gate of MOS transistor Q1 is connected to 46 pin of the chip U15, the 2 pin of the chip U2 is connected to 3.3V voltage, and the models of the chips U5 and U2 are LM 1085-3.3.
6. The system for intelligent supervision of home as claimed in claim 1, wherein the humidity detection circuit comprises a chip U17 and a capacitive RH humidity sensor C48, a first lead of a first end of the capacitive RH humidity sensor C48 is connected to a 2 pin of the chip U17, a second lead is connected to a 3.3V power supply through a resistor R30 and a resistor R28, a second end of the capacitive RH humidity sensor C48 is grounded, a 3 pin of the chip U17 is connected to a 41 pin of the chip U15, and the chip U17 is NE 7555; the combustible gas detection circuit comprises an interface U16, wherein 1 pin of the interface U16 is connected with 3.3V voltage, 3 pins are grounded, and 2 pins are connected with 14 pins of the chip U15; the infrared pyroelectric detection circuit comprises a pyroelectric infrared sensor U9, and a pin 2 of the pyroelectric infrared sensor U9 is connected with a pin 4 of the chip U15; the light intensity detection circuit comprises a photoresistor R10, wherein the first end of the photoresistor R10 is connected with 3.3V voltage, the first lead of the second end of the photoresistor R10 is grounded through a resistor R12, and the second lead is connected with the 10 pins of the chip U15; the temperature detection circuit comprises a thermistor R27, the first end of the photoresistor R27 is connected with 3.3V voltage, the first lead of the second end of the photoresistor R27 is connected with the ground through a resistor R29, and the second lead is connected with the 13 pins of the chip U15.
7. The system according to claim 1, wherein the GPS module comprises a chip U4, a pin 11 of the chip U4 is connected to an antenna T2 through an inductor L1 and a capacitor C18, two ends of the inductor L1 are respectively connected to ground through capacitors C13 and C14, pins 4, 20 and 21 of the chip U4 are respectively connected to pins 20, 22 and 21 of the chip U15, and the chip U4 is of a model of NEO-8Q.
8. A home intelligent supervision system according to claim 1, wherein the 4G communication circuit comprises a chip U6 and a SIM interface T1, pins 3 and 4 of the chip U6 are respectively connected with pins 43 and 42 of the chip U15, pin 5 of the chip U6 is connected to ground via a light emitting diode D1 and a resistor R7, pin 6 is connected to ground via a light emitting diode D7 and a resistor R8, pin 7 is connected to ground via a light emitting diode D3 and a resistor R9, pins 8, 9, 10 and 11 of the chip U6 are respectively connected with pins 5, 4, 3 and 2 of the SIM interface T1, pins 1 and 5 of the SIM interface T1 are connected, diodes D4, D5 and D6 are respectively arranged between pins 9, 10 and 11 of the chip U6 and ground, and the chip U6 is of Tas-e29v-G type; the WIFI circuit comprises a chip U13, a crystal oscillator S1 is connected between pins 26 and 27 of the chip U13, a pin 2 is connected with an antenna T5 through an inductor L3 and a capacitor C33, two ends of the inductor L3 are respectively grounded through capacitors C35 and C36, pins 25 and 26 of the chip U13 are respectively connected with pins 31 and 30 of the chip U15, a pin 21 of the chip U13 is connected with a pin 6 of the chip U10 through a resistor R24, pins 18, 19, 20, 22 and 23 are respectively connected with pins 7, 3, 1, 2 and 5 of the chip U10, the model of the chip U13 is 8266EX, and the model of the chip U10 is AT 25320; the LORA circuit comprises a chip U21, a crystal oscillator S9 connected between 5 pins and 6 pins of the chip U21, pins 16, 17, 18, 19 and 20 of the chip U21 respectively connected with pins 15, 16, 17, 18 and 19 of the chip U15, a first lead of pin 1 of the chip U21 is grounded through an inductor L5, a second lead is connected with pin 1 of the chip U19 through capacitors C50 and C51, a first lead of pin 25 of the chip U21 is connected with a first end of an inductor L8, a second lead is grounded through capacitors C66 and C67 which are connected in parallel, a pin 27 of the chip U21 is connected with a first end of an inductor L9, a first lead of a second end of the inductor L9 is connected with a second end of an inductor L8, a second lead is connected with a pin 3 of the chip U19 through a capacitor C58, a first lead of pin 4 of the chip U19 is grounded through a capacitor C63, a second lead is connected with a pin 12772 of the chip U12758, the model of the chip U19 is PE 4259.
9. The system for intelligently supervising the family according to claim 1, wherein the control module comprises a first power control loop, a second power control loop and a third power control loop, the first power control loop comprises a photoelectric coupler U11 and a thyristor Q4, a 2 pin of the photoelectric coupler U11 is connected with a 33 pin of the chip U15, a 3 pin is connected with a 1 pin of the thyristor Q4, a 4 pin is connected with a 3 pin of the thyristor Q4 through a resistor R16, a 2 pin of the thyristor Q4 is connected with a 2 pin of the socket K1, and an alternating current 220V voltage is connected between the 1 pin of the socket K1 and the 1 pin of the thyristor Q4; the second power supply control loop comprises a photoelectric coupler U12 and a controlled silicon Q5, wherein a pin 2 of the photoelectric coupler U12 is connected with a pin 32 of the chip U15, a pin 3 of the photoelectric coupler U12 is connected with a pin 1 of the controlled silicon Q5, a pin 4 of the photoelectric coupler U12 is connected with a pin 3 of the controlled silicon Q5 through a resistor R21, a pin 2 of the controlled silicon Q5 is connected with a pin 2 of the socket K2, and alternating-current 220V voltage is connected between a pin 1 of the socket K2 and a pin 1 of the controlled silicon Q5; the third power control loop comprises a photoelectric coupler U14 and a controlled silicon Q6, wherein a 2 pin of the photoelectric coupler U14 is connected with a 28 pin of the chip U15, a 3 pin of the photoelectric coupler U14 is connected with a 1 pin of the controlled silicon Q6, a 4 pin of the photoelectric coupler U14 is connected with a 3 pin of the controlled silicon Q6 through a resistor R26, a 2 pin of the controlled silicon Q6 is connected with a 2 pin of the socket K3, an alternating current 220V voltage is connected between the 1 pin of the socket K3 and the 1 pin of the controlled silicon Q6, the photoelectric couplers U11, U12 and U14 are MOC3051 in model, and the controlled silicon Q4, Q5 and Q6 are BT136 in model.
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