CN109459935A - Intelligent housing circuit - Google Patents
Intelligent housing circuit Download PDFInfo
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- CN109459935A CN109459935A CN201710795251.7A CN201710795251A CN109459935A CN 109459935 A CN109459935 A CN 109459935A CN 201710795251 A CN201710795251 A CN 201710795251A CN 109459935 A CN109459935 A CN 109459935A
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- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000003321 amplification Effects 0.000 claims abstract description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 57
- 238000006243 chemical reaction Methods 0.000 claims description 35
- 239000000779 smoke Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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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
- G05B2219/26—Pc applications
- G05B2219/2642—Domotique, domestic, home control, automation, smart house
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Abstract
The invention belongs to Internet of Things applied technical fields, disclose a kind of Intelligent housing circuit, including sensor module, control module, execution module, radio-frequency module, memory module and power module；The sensor module includes sensor and signal amplification circuit；The control module is connect by RS485 bus with the sensor module；The execution module is connect with the control module, for receiving and executing the control command of the control module output；The radio-frequency module is connect with the control module, for realizing the wireless communication between the control module and main website；The memory module is for storing data；The power module is for powering；The present invention can be such that sensor wirelessly communicates by Intelligent housing circuit and main website, be occupied by intelligent terminal remote control home, implement simple installation, control operation is accurate, and equipment compatibility is good, and electric appliance replacement is convenient, cost is low, improves the popularization and application of smart home.
Description
Technical field
The invention belongs to Internet of Things applied technical field more particularly to a kind of Intelligent housing circuits.
Background technique
Smart home is the embodiment of the instrumentation under the influence of internet.Smart home will be in family by technology of Internet of things
Various equipment (such as audio & video equipment, lighting system, curtain control, airconditioning control, security system, Digital Theater Systems, audio-visual clothes
Business device, shadow cabinet system, network home appliance etc.) it connects together, home wiring control, Lighting control, remote control using telephone, indoor and outdoor are provided
The multiple functions such as remote control, burglar alarm, environmental monitoring, HVAC control, infrared forwarding and programmable Timer control and means.With
Common household is compared, and smart home not only has traditional inhabitation function, has both building, network communication, information household appliances, equipment certainly
Dynamicization provides comprehensive information exchange function, and even various energy expenditures save fund.
In recent years, smart home development is in the ascendant, but existing smart home has wiring complexity, system cost
High, installation personnel competency profiling height, engineering cost is high, period length, needs to be transformed household electrical appliance, electric appliance after the completion of engineering
The problems such as replacement is inconvenient.
Summary of the invention
The purpose of the present invention is to provide a kind of Intelligent housing circuits, to solve the management control of existing household electrical appliance
Technology processed, which exists, implements poor installation process complexity, electrical compatibility, electric appliance replacement inconvenience and the higher problem of implementation cost.
A kind of Intelligent housing circuit, comprising: sensor module, control module, execution module, radio-frequency module, storage
Module and power module；The sensor module includes sensor and signal amplification circuit, and the sensor is for acquiring door sensor
Displacement, smog and illumination intensity information with magnet, and collected information is transformed into electric signal output；The control module
It is connect with the sensor module, the electric signal for exporting to the sensor module exports control command after handling；
The execution module is connect with the control module, for receiving and executing the control command of the control module output；It is described
Radio-frequency module is connect with the control module, for realizing the wireless communication between the control module and main website；The storage
Module is connect with the control module, for storing data；The power module and the sensor module, the control mould
Block, the execution module are connected with the radio-frequency module, comprising: AC-DC voltage regulator circuit and voltage conversion circuit；The AC-DC
Voltage regulator circuit includes: rectification unit, filter unit, pressure unit and output unit；Alternating current of the rectification unit to input
Source is rectified；The filter unit is connect with the rectification unit, and the voltage for exporting to the rectification unit is filtered
Wave；The pressure unit is connect with the filter unit, the high direct voltage decompression for exporting to the filter unit；It is described defeated
Unit is connect with the pressure unit out, is output to the voltage after the DC low-voltage rectification for exporting to the pressure unit
Conversion circuit.
Further, the rectification unit includes: first resistor, second resistance, 3rd resistor and rectifier bridge, wherein described
Second resistance is thermo-sensitive resistor, and the 3rd resistor is varistor；The 3rd resistor is attempted by AC input and institute
It states between two input terminals of rectifier bridge, the zero line of the AC input connects the rectifier bridge by the first resistor
First input end, the zero line side of the AC input connects the second input of the rectifier bridge by the second resistance
The output at end, the rectifier bridge terminates the filter unit.
Further, the pressure unit includes: transformer and switching power source chip；The power supply of the switching power source chip
Foot connects the output end of the filter unit, and the power tube drain electrode of the switching power source chip connects the primary coil of the transformer,
The feedback foot and supply pin of the switching power source chip connect the ancillary coil of the transformer, and the secondary coil of the transformer connects
The output unit.
Further, the output unit includes: the 4th resistance, first diode, first capacitor and the second capacitor；It is described
The anode of first diode connects the output end of the pressure unit, the sun of a termination first diode of the 4th resistance
Pole, the other end of the 4th resistance connect the cathode of the first diode by the first capacitor, and second capacitor connects
Between the output end and ground of the pressure unit.
Further, the voltage conversion circuit includes: DC/DC converter, a zener diode, the first inductance, the 5th
Resistance, the 6th resistance, the 7th resistance, the 8th resistance, third capacitor, the 4th capacitor and the 5th capacitor；5th resistance and institute
It states third capacitor to be connected between the bootlace pin and switch pin of the DC/DC converter, the anode of the zener diode
Ground connection, the cathode of the zener diode connect the switch pin of the DC/DC converter, and the 6th resistance connects in the DC/
Between the feedback pin and ground of DC converter, the 4th capacitor connects the power input voltage pin in the DC/DC converter
Between ground, the switch pin of a termination DC/DC converter of first inductance, the other end of first inductance is made
The feedback pin of the DC/DC converter is terminated for the output end of the voltage conversion circuit, the one of the 7th resistance, it is described
The output end of another termination voltage conversion circuit of 7th resistance, the power input voltage pin of the DC/DC converter
Pin is enabled by the chip that the 8th resistance connects the DC/DC converter, the 5th capacitor connects to be turned in the voltage
It changes between the output end of circuit and ground.
Further, the voltage conversion circuit further include: a three-terminal voltage-stabilizing integrated chip, the 6th capacitor and the 7th electricity
Hold；The input pin of the three-terminal voltage-stabilizing integrated chip passes through the 6th capacity earth, the ground connection of the three-terminal voltage-stabilizing integrated chip
The output pin of end ground connection, the three-terminal voltage-stabilizing integrated chip passes through the 7th capacity earth.
Further, the control module is single-chip microcontroller STM32F070C6.
Further, the sensor includes door status sensor, smoke sensor device and photoelectric sensor.
Further, the execution module includes door sensor alarm, smoke alarm and curtain motor.
Further, the sensor module and the control module be by RS485 bus communication, the memory module with
The control module is communicated with the control module by UART by I2C bus communication, the radio-frequency module.
Using above-mentioned Intelligent housing circuit, circuit implements simple installation, and control operation is accurate, equipment compatibility
Good, electric appliance replacement is convenient, and cost is low, improves the popularization and application of smart home.
Detailed description of the invention
Fig. 1 is the circuit module schematic diagram of Intelligent housing circuit of the present invention.
Fig. 2 is the exemplary circuit principle of the AC-DC voltage regulator circuit in Intelligent housing circuit shown in Fig. 1 in power module
Figure.
Fig. 3 is the few examples circuit of the voltage conversion circuit in Intelligent housing circuit shown in Fig. 1 in power module
Schematic diagram.
Fig. 4 is the few examples circuit of the voltage conversion circuit in Intelligent housing circuit shown in Fig. 1 in power module
Schematic diagram.
Fig. 5 is the exemplary circuit schematic diagram of the RS485 interface in Intelligent housing circuit shown in Fig. 1.
Fig. 6 is the exemplary circuit schematic diagram of the control module in Intelligent housing circuit shown in Fig. 1.
Fig. 7 is the exemplary circuit schematic diagram of the memory module in Intelligent housing circuit shown in Fig. 1.
Fig. 8 be to the switching signal of the smoke sensor device of the sensor module in Intelligent housing circuit shown in Fig. 1 into
The exemplary circuit schematic diagram of the photoelectric coupling circuit of row identification.
Fig. 9 is the exemplary circuit schematic diagram of the curtain motor of the execution module in Intelligent housing circuit shown in Fig. 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Referring to Fig. 1, Intelligent housing circuit includes: power module 10, sensor in presently preferred embodiments of the present invention
Module 20, memory module 30, control module 40, radio-frequency module 50 and execution module 60.
Sensor module 20 include sensor and signal amplification circuit (not shown), sensor for acquire door sensor main body with
Relative displacement range information, smog information and the illumination intensity information of permanent magnet magnet, and collected information is converted into electricity
Press analog signal output to signal amplification circuit, output is to control module after signal amplification circuit amplifies voltage analog signal
40；Control module 40 is connect by RS485 bus with sensor module 20, the voltage-mode exported for receiving sensor module 20
Quasi- signal simultaneously carries out A/D conversion to voltage analog signal, and exports control command after handling the data after conversion；It executes
Module 60 is connect with control module 40, for receiving and executing the control command of the output of control module 40；Radio-frequency module 50 and control
Molding block 40 connects, for realizing the wireless communication between control module 40 and main website (not shown)；Memory module 30 and control
Module 40 connects, for storing data；Power module 10 and sensor module 20, control module 40, execution module 60 and radio frequency
Module 50 connects, for powering.
Wherein, radio-frequency module is that RF433 module, memory module 30 and control module 40 pass through I2C bus communication, radio frequency mould
Block 50 is communicated with control module 40 by UART.
In addition, sensor module 20 includes at least one sensor, and sensor first connects sensor stand, then passes through
RS485 bus is connect with control module 40, when sensor, which breaks down, to be needed to re-replace, is not necessarily to rewiring, need to will only be broken down
Sensor removed from stand, then change new sensor.When sensor module 20 outputs data to control module 40
When, control module can be according to directly exporting control command to execution module 60, for example, working as photoelectric sensing after the data processing exported
When device senses that intensity of illumination is attenuated to certain value, control module 40 receives the data of photoelectric sensor output, directly transmits control
System order controls curtain and is automatically closed to execution module 60.In addition, when sensor module 20 outputs data to control module 40
When, for control module 40 by after the data processing received, output status signal passes through 433 to radio-frequency module 50, radio-frequency module 50
With master station communication, user can carry out long-range control, the radio frequency that radio-frequency module 50 will receive to smart home by intelligent terminal
Control command is exported to control module 40, and after control module 40 handles data, control execution module 60 is executed accordingly
Operation.The Intelligent housing circuit, circuit implement simple installation, and control operation is accurate, and equipment compatibility is good, electric appliance replacement side
Just, cost is low, improves the popularization and application of smart home.
Fig. 2, Fig. 3 and Fig. 4 are please referred to, power module includes AC-DC voltage regulator circuit 11 and voltage conversion circuit 12；Wherein,
AC-DC voltage regulator circuit 11 includes rectification unit 111, filter unit 112, pressure unit 113 and output unit 114, and being used for will be defeated
The alternating voltage entered is converted into the DC voltage constant voltage output of 15V to voltage conversion circuit 12.
Further, 111 pairs of rectification unit input AC power sources rectify, rectification unit 111 include: resistance R2,
Thermo-sensitive resistor PTC, varistor RV1 and rectifier bridge D2；Varistor RV1 is attempted by the two of AC input and rectifier bridge D2
Between a input terminal, the zero line L1 of AC input connects the first input end of rectifier bridge D2 by resistance R2, and alternating current is defeated
The zero line side N1 for entering end connects the second input terminal of rectifier bridge D2 by thermo-sensitive resistor PTC, and rectifier bridge D2 turns the alternating current of input
It is changed to direct current electricity output, the output of rectifier bridge D2 terminates filter unit 112.
Further, filter unit 112 is by inductance L2, inductance L3, resistance R11, resistance R12, capacitor C12 and capacitor C15
Composition, the voltage that filter unit 112 exports rectification unit 111 are filtered.
Further, pressure unit 113 is connect with filter unit 112, the high direct voltage for exporting to filter unit 112
Decompression, pressure unit 113 includes: transformer T1 and switching power source chip U4；Wherein, switching power source chip U4 is SP5713 core
Piece；The VDD pin of switching power source chip U4 connects the output end of filter unit 112, the power tube drain electrode of switching power source chip U4
DRAIN foot connects the pin 2 of the primary coil of transformer T1, and the feedback foot INV and supply pin VDD of switching power source chip U4 connects transformation
The ancillary coil of device T1, the ancillary coil of transformer T1 pass through the supply pin VDD of diode D30 connection switch power supply chip U4,
It powers to switching power source chip U4, the secondary coil of transformer T1 connects output unit 114.Preferably, the both ends of transformer T1 are simultaneously
A RCD absorbing circuit is connect, which is made of resistance R23, resistance R24, capacitor C22 and diode D4, for limiting
Ceiling voltage when power tube processed turns off, prevents power tube from damaging because turning off over-voltage.
Further, output unit 114 is connect with pressure unit 113, the DC low-voltage for exporting to pressure unit 113
It is exported after rectification, output unit 114 includes: resistance R38, diode D6, capacitor C28, capacitor C33, capacitor C36 and capacitor C39；
The anode of a terminating diode D6 of resistance R38, the other end of resistance R38 connect the cathode of the diode D6 by capacitor C28；
The output end of pressure unit 114 and the indirect filter capacitor on ground, the voltage for the secondary coil output to transformer T1 carry out
Filtering, filter capacitor can be for the capacitance group of a capacitor or more than two capacitors being in series or in parallel to form, the present embodiment
The capacitance group in parallel constituted of capacitor C33, capacitor C36 and capacitor C39 carry out the voltage of the secondary coil output of transformer T1
Filtering.
Further, voltage conversion circuit 12 is by first voltage conversion circuit 121 and second voltage conversion circuit 122 two
It is grouped as, as shown in figure 3, the first voltage conversion circuit 121 of voltage conversion circuit 12 is used to the voltage of 15V being reduced to 3.3V,
For powering to each circuit module, as shown in figure 4, the second voltage conversion circuit 122 of voltage conversion circuit 12 is used for 15V's
Voltage is reduced to 12V, mainly powers to the sensor of low-power consumption.As shown in Figure 3, since most of circuit module all uses 3.3V
Operating voltage, it is therefore desirable to 15V be dropped into 3.3V, therefore first voltage conversion circuit 121 shown in Fig. 3 is electric by AC-DC pressure stabilizing
The 15V constant pressure that road 11 exports is converted to 3.3V output, and first voltage conversion circuit 121 includes: DC/DC converter U11, diode
D8, resistance R36, resistance R4, resistance R5, resistance R3, capacitor C5, capacitor C6, capacitor C10, capacitor C2 and capacitor C3, DC/DC turn
Parallel operation U11 is MP2359 chip；Resistance R36 and capacitor C9 is connected on the bootlace pin BS and switch pin of DC/DC converter U11
Between SW, the plus earth of diode D8, the cathode of diode D8 meets the switch pin SW of DC/DC converter U11, and resistance R4 connects
Between the feedback pin FB and ground of DC/DC converter U11, capacitor C6 meets the power input pin IN in DC/DC converter U11
Between ground, the feedback pin FB of a termination DC/DC converter U11 of resistance R5, another termination first voltage conversion circuit 121
Output end, inductance L4 one termination DC/DC converter U11 switch pin SW, the other end is as first voltage conversion circuit
The power input pin IN of 121 output end VCC, DC/DC converter U11 passes through the core of resistance R3 connection DC/DC converter U11
Piece enables pin EN, the output end VCC of first voltage conversion circuit 121 and the indirect filter capacitor on ground, for first voltage
The voltage that conversion circuit 121 exports is filtered, and filter capacitor can be the series connection or simultaneously of a capacitor or more than one capacitor
Join the capacitance group constituted, the present embodiment is that the capacitance group of the composition in parallel of capacitor C10, capacitor C2 and capacitor C3 turns first voltage
The voltage for changing the output of circuit 121 is filtered.As shown in figure 4, second voltage conversion circuit 122 includes three-terminal voltage-stabilizing integrated chip
U8, capacitor C4 and capacitor C5；Three-terminal voltage-stabilizing integrated chip U8 is LM7812 chip, the input pin of three-terminal voltage-stabilizing integrated chip U8
IN is grounded by capacitor C4, the ground terminal ground connection of three-terminal voltage-stabilizing integrated chip U8, the output pin of three-terminal voltage-stabilizing integrated chip U8
OUT is grounded by capacitor C5, the input pin IN of the voltage input of 15V to three-terminal voltage-stabilizing integrated chip U8, and from three-terminal voltage-stabilizing
The output pin OUT of integrated chip U8 exports 12V voltage, for the sensor power supply to low-power consumption.
Fig. 5 and Fig. 6 are please referred to, control module 40 is single-chip microcontroller STM32F070C6, and RS485 interface circuit includes low-power consumption
Transceiver U2 and resistance R14, wherein low-power consumption transceiver U2 is MAX3485, the receiver output pin RO of low-power consumption transceiver U2
The PB7 pin of single-chip microcontroller is connect, the driver input pin DI of low-power consumption transceiver U2 connects the PB6 pin of single-chip microcontroller, low-power consumption transmitting-receiving
The receiver output enable end RE and driver output enable end DE of device U2 meet the PB2 pin of single-chip microcontroller, low-power consumption transceiver U2
Power end connect voltage conversion circuit 12, the A pin of low-power consumption transceiver U2 passes through resistance R14 connection low-power consumption transceiver U2
B pin, as A>B, RO export high level, as A<B, RO export low level.
Referring to Fig. 7, preferred, memory module 30 by storage chip U3 and its peripheral cell capacitor C18, resistance R34 and
Resistance R41 composition；Storage chip U3 is preferably AT24C64B chip；The data of 30 storage sensor module 20 of memory module output
And the data of the control program of control module 40, when multiple sensing datas export simultaneously, control module 40 is needed to place
It makes the arrangement that sequence carries out a priority in order, controls which execution module first carries out to determine, putting in order can be according to preparatory
Program is set, is arranged according to emergency, when no emergency occurs, putting in order can arrange according to chronological order
Column, for example, the data that smoke sensor device exports are classified as emergency, when smoke sensor device and photoelectric sensor export number simultaneously
According to when, the data of smoke sensor device and photoelectric sensor output are stored in memory module 30, the first basis of control module 40
Data output control command control 119 Fire telephone of the household fixed telephone auto dialing alarm of smoke sensor device output, is then controlled again
The data that curtain motor processed is exported according to photoelectric sensor automatically open or close curtain.
Referring to Fig. 8, photoelectric coupling circuit includes photoelectrical coupler U5, resistance R18 and resistance R20, sensor output
Switching signal is connected to the anode of light emitting diode in photoelectrical coupler, the minus earth of light emitting diode, photoelectricity by resistance R18
The PB0 pin of the collector connection single-chip microcontroller of triode in coupler, the output end of voltage conversion circuit 12 pass through resistance R20
The collector for connecing the triode in photoelectrical coupler, when switching signal is high level, photoelectrical coupler conducting, which can be with
It is identified for the switching signal of the products such as door sensor alarm, smoke sensor device, and passes through 433 and master station communication.
Referring to Fig. 9, execution module may include audio & video equipment, lighting system, curtain control, airconditioning control, water heater
Control, security system, Digital Theater System, video server, shadow cabinet system, network home appliance etc., Fig. 9 show curtain motor
Circuit diagram includes resistance R6, resistance R7, resistance R8, triode Q2 and diode D1, and triode Q2 is connected by resistance R8
The PB8 pin of single-chip microcontroller, the base stage of triode Q2 pass through the emitter of resistance R7 connecting triode Q2, the collector of triode Q2
Power module 10 is connected with resistance R6 by diode D1, one end of relay RE034012, relay coil connect two poles
The anode of pipe D1, the cathode of the other end connection diode D1 of relay coil, when the PB8 pin of single-chip microcontroller exports high level,
Triode Q2 conducting, diode D2 is also switched on, so that relay is closed, control motor rotation, thus realize to curtain opening and
The control of closing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of Intelligent housing circuit characterized by comprising
Sensor module, control module, execution module, radio-frequency module, memory module and power module；
The sensor module includes sensor and signal amplification circuit, and the sensor is for acquiring door sensor main body and permanent magnet
Relative distance information, smog information and illumination intensity information, and by collected information be transformed into electric signal output；
The control module is connect with the sensor module, and the electric signal for exporting to the sensor module is handled
After export control command；
The execution module is connect with the control module, for receiving and executing the control command of the control module output；
The radio-frequency module is connect with the control module, for realizing the wireless communication between the control module and main website；
The memory module is connect with the control module, for storing data；
The power module is connect with the sensor module, the control module, the execution module and the radio-frequency module,
It include: AC-DC voltage regulator circuit and voltage conversion circuit；
The AC-DC voltage regulator circuit includes: rectification unit, filter unit, pressure unit and output unit；
The rectification unit rectifies the AC power source of input；
The filter unit is connect with the rectification unit, and the voltage for exporting to the rectification unit is filtered；
The pressure unit is connect with the filter unit, the high direct voltage decompression for exporting to the filter unit；
The output unit is connect with the pressure unit, is exported after the DC low-voltage rectification for exporting to the pressure unit
To the voltage conversion circuit.
2. Intelligent housing circuit as described in claim 1, which is characterized in that the rectification unit includes:
First resistor, second resistance, 3rd resistor and rectifier bridge, wherein the second resistance is thermo-sensitive resistor, the third electricity
Resistance is varistor；
The 3rd resistor is attempted by between AC input and two input terminals of the rectifier bridge, the alternating current input
The zero line at end connects the first input end of the rectifier bridge by the first resistor, and the zero line side of the AC input is logical
The second input terminal that the second resistance connects the rectifier bridge is crossed, the output of the rectifier bridge terminates the filter unit.
3. Intelligent housing circuit as described in claim 1, which is characterized in that the pressure unit includes:
Transformer and switching power source chip；
The supply pin of the switching power source chip connects the output end of the filter unit, the power tube leakage of the switching power source chip
Pole connects the primary coil of the transformer, and the feedback foot and supply pin of the switching power source chip connect the auxiliary line of the transformer
Circle, the secondary coil of the transformer connect the output unit.
4. Intelligent housing circuit as described in claim 1, which is characterized in that the output unit includes:
4th resistance, first diode, first capacitor and the second capacitor；
The anode of the first diode connects the output end of the pressure unit, a termination the described 1st of the 4th resistance
The anode of pole pipe, the other end of the 4th resistance connect the cathode of the first diode by the first capacitor, and described
Two capacitors connect between the output end and ground of the pressure unit.
5. Intelligent housing circuit as described in claim 1, which is characterized in that the voltage conversion circuit includes:
DC/DC converter, a zener diode, the first inductance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance,
Three capacitors, the 4th capacitor and the 5th capacitor；
5th resistance and the third capacitor are connected between the bootlace pin and switch pin of the DC/DC converter,
The plus earth of the zener diode, the cathode of the zener diode connects the switch pin of the DC/DC converter, described
6th resistance connects between the feedback pin and ground of the DC/DC converter, and the 4th capacitor connects in the DC/DC converter
Power input voltage pin and ground between, the switch pin of a termination DC/DC converter of first inductance is described
The one termination DC/DC of output end of the other end of the first inductance as the voltage conversion circuit, the 7th resistance turns
The feedback pin of parallel operation, the output end of another termination voltage conversion circuit of the 7th resistance, the DC/DC converter
Power input voltage pin by the 8th resistance connect the DC/DC converter chip enable pin, the described 5th
Capacitor connects between the output end and ground of the voltage conversion circuit.
6. Intelligent housing circuit as described in claim 1, which is characterized in that the voltage conversion circuit further include: one
Three-terminal voltage-stabilizing integrated chip, the 6th capacitor and the 7th capacitor；
The input pin of the three-terminal voltage-stabilizing integrated chip passes through the 6th capacity earth, the ground connection of the three-terminal voltage-stabilizing integrated chip
The output pin of end ground connection, the three-terminal voltage-stabilizing integrated chip passes through the 7th capacity earth.
7. Intelligent housing circuit as described in claim 1, which is characterized in that the control module is single-chip microcontroller
STM32F070C6。
8. Intelligent housing circuit as described in claim 1, which is characterized in that the sensor include door status sensor,
Smoke sensor device and photoelectric sensor.
9. Intelligent housing circuit as described in claim 1, which is characterized in that the execution module includes door sensor alarm
Device, smoke alarm and curtain motor.
10. Intelligent housing circuit as described in claim 1, which is characterized in that the sensor module and the control
Module passes through I2C bus communication, the radio-frequency module by RS485 bus communication, the memory module and the control module
It is communicated with the control module by UART.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710795251.7A CN109459935A (en) | 2017-09-06 | 2017-09-06 | Intelligent housing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710795251.7A CN109459935A (en) | 2017-09-06 | 2017-09-06 | Intelligent housing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109459935A true CN109459935A (en) | 2019-03-12 |
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| CN201710795251.7A Pending CN109459935A (en) | 2017-09-06 | 2017-09-06 | Intelligent housing circuit |
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| CN111352364A (en) * | 2019-11-08 | 2020-06-30 | 凯里云瀚智慧城市运营管理有限公司 | Support remote control's sensor circuit |
| CN113110125A (en) * | 2021-03-15 | 2021-07-13 | 三门康创电子科技有限公司 | Fruit and vegetable machine control circuit, fruit and vegetable machine and fruit and vegetable machine control method |
| CN113691675A (en) * | 2021-08-23 | 2021-11-23 | 深圳深川智能有限公司 | High-power driving power supply applied to smart home |
| CN114879779A (en) * | 2022-05-31 | 2022-08-09 | 成都中远创视科技有限公司 | Temperature control circuit based on filter |
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| CN114879779A (en) * | 2022-05-31 | 2022-08-09 | 成都中远创视科技有限公司 | Temperature control circuit based on filter |
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Application publication date: 20190312 |