CN105353712A - Control device used for smart home and having power distribution protection and gateway center wireless teletransmission functions - Google Patents
Control device used for smart home and having power distribution protection and gateway center wireless teletransmission functions Download PDFInfo
- Publication number
- CN105353712A CN105353712A CN201510926831.6A CN201510926831A CN105353712A CN 105353712 A CN105353712 A CN 105353712A CN 201510926831 A CN201510926831 A CN 201510926831A CN 105353712 A CN105353712 A CN 105353712A
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- resistance
- circuit
- microprocessor
- operational amplifier
- signal
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Classifications
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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
- G05B19/048—Monitoring; Safety
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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
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/042—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a control device used for smart home and having power distribution protection and gateway center wireless teletransmission functions. The control device comprise a microprocessor, an AC protection circuit and a wireless teletransmission transmitting and receiving module; the AC protection circuit is connected with the microprocessor, and, under the conditions that a voltage change of a total-path power supply exceeds a scope, a current and electric power are greater than prescribed scopes and a line temperature change on a line is abnormal, and under other conditions, the total-path power supply can be cut off in real time through processing and actions of the microprocessor, so electricity safety is guaranteed; and the wireless teletransmission transmitting and receiving module is connected with the microprocessor and is taken as an indispensable part performing data interactions with a smart home gateway center, and data related to a power supply of a power distribution box can be transmitted to the smart home gateway center and then is used to be displayed and stored. The control device is simple in structure and clever in design, achieves remote monitoring and has wide use value; and the control device can achieve overvoltage, overcurrent and overtemperature protection and also can perform data exchange with the home gateway center.
Description
Technical field
The present invention relates to distribution technique field, be specifically related to the control device having power distribution protection and gateway center wireless remote transmission for intelligent domestic.
Background technology
Along with applying of scientific and technological progress and new electron device, people more and more pay attention to Electrical Safety and disaster prevention.Authorization Notice No. be 204577905 patent document disclose a kind of multi-way intelligence panel box, warning can showing in real time temperature information can be carried out to abnormal voltage electric current.But overvoltage, overcurrent and overtemperature prote cannot be realized, and exchanges data cannot be carried out with home gateway center, thus cannot remote monitoring be carried out.
Summary of the invention
For the problems referred to above, the invention provides one and both can realize over-voltage and over-current and overtemperature prote, the intelligent power distribution safety guard of exchanges data can be carried out with home gateway center again.
For solving the problem, the technical scheme that the present invention takes is: the control device having power distribution protection and gateway center wireless remote transmission for intelligent domestic, comprising:
Microprocessor, for Received signal strength, processes data and controls peripherals;
Harmonics circuit, be connected with microprocessor, go beyond the scope in the change in voltage of total road power supply, under electric current and electric power are greater than the line temperature change situation such as abnormal on specialized range and circuit, by process and the action of microprocessor, cut-out total road power supply that can be real-time, to ensure the safety of electricity consumption;
Wireless remote transmission transmission circuit, is connected with microprocessor, as indispensable part mutual with intelligent domestic gateway centre data, the relevant data of panel box power supply can be reached intelligent domestic gateway center in real time, as display and the use of data storage;
Analog to digital conversion circuit, is located in microprocessor, is connected with voltage, current sampling circuit and temperature sampling circuit, and voltage, current sampling circuit, by voltage transformer (VT) summation current transformer, are measured the voltage and current value of the general supply inlet wire of panel box; Temperature sampling circuit is by being placed in the Pt100 thermal resistance temperature sensor on general supply inlet wire circuit, by the temperature signal of circuit by bridge road circuit and operation amplifier circuit, be converted to simulating signal, be supplied to microprocessor, with the change of the temperature on real-time grasp circuit;
Serial communication circuit, is connected with microprocessor, comprises RS232 communication interface, RS485 communication interface and CAN communication interface;
Interior power supply circuit, for by the 3.3V direct supply of the Power convert of 12V needed for microprocessor and other circuit.
Described current sampling circuit is such: current signal is converted into voltage signal by the 7th resistance by input current after current transformer, through the first operational amplifier access microprocessor; First operational amplifier negative input connects the amplifying circuit be made up of coupling capacitance, the 8th resistance, the 11 resistance, first operational amplifier electrode input end is connected to the reference circuits be made up of filter capacitor, the 9th resistance, the tenth resistance, and the first operational amplifier output terminal is connected to the analog input end IN-I of microprocessor through current-limiting resistance;
Described voltage sampling circuit is such: the current signal that sensor exports through voltage transformer (VT), is converted to voltage signal by the 14 resistance by input signal after electric current transfer resistance, through the second operational amplifier access microprocessor; Second operational amplifier negative input connects the amplifying circuit be made up of coupling capacitance, the 15 resistance, the 18 resistance, second operational amplifier electrode input end is connected to the reference circuits be made up of filter capacitor, the 16 resistance, the 17 resistance, and the second operational amplifier output terminal is connected to the analog input end IN-V of microprocessor through current-limiting resistance; The power end of the first operational amplifier, the second operational amplifier is all connected to power filtering capacitor.
Described temperature sampling circuit such comprises by the first temperature signal sample circuit and the second temperature sampling circuit, the temperature signal of the resistance bridge electric circuit inspection that the first temperature sampling circuit consists of the 20 to the 22 resistance and temperature sensor, by the amplifying circuit that the 23 to the 25 resistance and the first potentiometer form, enter into the 3rd operational amplifier, output to the analog input end INRT of microprocessor through the 26 resistance;
The temperature signal of the resistance bridge electric circuit inspection that the second temperature sampling circuit consists of the 27 to the 29 resistance and temperature sensor, by the amplifying circuit that the 30 to the 32 resistance and the second potentiometer form, enter into four-operational amplifier, output to the analog input end INRT2 of microprocessor through the 33 resistance; The power end of the 3rd operational amplifier, four-operational amplifier is all connected to power filtering capacitor.
Described harmonics circuit comprises by the 40 to the 42 resistance, the 43 electric capacity, triode, control section that light emitting diode forms and the drive part that is made up of the 43 to the 45 resistance, the 44 electric capacity, controllable silicon, and wherein control section input end is connected to Microprocessor S3C44B0X output terminal CON-AC.
When the incoming power generation abnormal conditions of panel box, cut off the circuit of incoming power in time, guarantee the safety of user power utilization.
Described wireless remote transmission transmission circuit is such: adopt CC2530 chip, 5th interface chip is the debugging programming interface of CC2530 chip, the DO pin of CC2530 chip, DC pin are that debugging and DLL (dynamic link library) are connected to the 5th interface chip, and the RESET pin of CC2530 chip is that reseting interface is connected to the 5th interface chip; SDO pin, SDI pin are that the external reading and writing data communication interface of chip is connected to microprocessor; SS pin, SCK pin and SDO pin, SDI pin are connected to microprocessor with the use of the clock signal as mutual gating signal and exchanges data.
CC2530 is for one of IEEE802.15.4, ZigBcc and RF4CE application real SOC (system on a chip) (SoC) solution.It can build up powerful network node with low-down total material cost.CC2530 combines the premium properties of leading R/F transceiver, the enhancement mode 8051CPU of industrywide standard, In-System Programmable flash memory, 8KB-RAM and other powerful functions many.
Wireless remote transmission transmission circuit, as the Main Means mutual with intelligent domestic gateway centre data, is indispensable part.The relevant data of real-time control box power supply can be reached Smart Home center, as display and the use of data storage.User can share relevant data by GPRS to Smart Home center with mobile phone, to realize the object of remote monitoring.By wireless remote transmission transmission circuit, can be real-time the parameters such as the running status of panel box and voltage, electric current, power are passed to home gateway center; Also can receive the instruction at home gateway center, real-time control is carried out to panel box.
Structure of the present invention is simple, it is ingenious to design, and can either realize over-voltage and over-current and overtemperature prote, can carry out exchanges data again, realize remote monitoring, have use value widely with home gateway center.
Accompanying drawing explanation
Fig. 1 is present system block diagram;
Fig. 2 is microprocessor and peripheral circuit connection layout thereof;
Fig. 3 is electric current, voltage sampling circuit;
Fig. 4 is temperature sampling circuit;
Fig. 5 is harmonics circuit;
Fig. 6 is wireless remote transmission transmission circuit.
Embodiment
There is the control device of power distribution protection and gateway center wireless remote transmission for intelligent domestic, comprising:
Microprocessor, for Received signal strength, processes data and controls peripherals, inside establishing analog to digital conversion circuit; As shown in Figure 2, comprise by DSPIC33FJ128MC506 chip U1 and peripheral circuit, wherein the first electric capacity C1, the second electric capacity C2, the first resistance R1 and the first crystal oscillator Y1 form the crystal oscillator input interface that crystal oscillating circuit is connected to microprocessor; Reset chip U2 and the second resistance R2 forms electrify restoration circuit and connects microprocessor reset interface; The PGD2 pin of microprocessor, PGC2 pin are programming and emulation interface, are connected with first interface chip H1; The BEEP pin of microprocessor and LED-WARE pin can connect buzzer alarm circuit and pilot lamp warning circuit respectively; The TXD1 pin of microprocessor and RXD1 pin are as outside RS232 communication interface; TXD2 pin and RXD2 pin are as outside RS485 communication interface, and the transmitting-receiving control signal of RS485 is controlled by the RTC pin of microprocessor; TXD0 pin and RXD0 pin are as external CAN communications interface.Interior power supply circuit, for by the 3.3V direct supply VCC of the Power convert of 12V needed for microprocessor and other circuit.
As shown in Figure 3, current sampling circuit: current signal is converted into voltage signal by the 7th resistance R7 by input current after current transformer T1, accesses microprocessor through the first operational amplifier U5B; First operational amplifier U5B negative input connects the amplifying circuit be made up of coupling capacitance C15, the 8th resistance R8, the 11 resistance R11, first operational amplifier electrode input end is connected to the reference circuits be made up of filter capacitor C16, the 9th resistance R9, the tenth resistance R10, and the first operational amplifier output terminal is connected to the analog input end IN-I of microprocessor through the 12 resistance R12;
Voltage sampling circuit: the current signal that sensor exports through voltage transformer (VT) T2, is converted to voltage signal by the 14 resistance R14 by input signal after the 13 resistance R13, accesses microprocessor through the second operational amplifier U6A; Second operational amplifier U6A negative input connects the amplifying circuit be made up of the 18 electric capacity C18, the 15 resistance R15, the 18 resistance R18, second operational amplifier electrode input end is connected to the reference circuits be made up of filter capacitor C19, the 16 resistance R16, the 17 resistance R17, and the second operational amplifier output terminal is connected to the analog input end IN-V of microprocessor through the 19 resistance R19; The power end of the first operational amplifier U5B, the second operational amplifier U6A is all connected to the 17 electric capacity C17.As shown in Figure 4, temperature sampling circuit, comprise by the first temperature signal sample circuit and the second temperature sampling circuit, the temperature signal of the resistance bridge electric circuit inspection that the first temperature sampling circuit consists of the 20 to the 22 resistance R20, R21, R22 and temperature sensor, by the amplifying circuit that the 23 to the 25 resistance R23, R24, R25 and the first potentiometer W1 forms, enter into the 3rd operational amplifier U6B, output to the analog input end INRT of microprocessor through the 26 resistance R26;
The temperature signal of the resistance bridge electric circuit inspection that the second temperature sampling circuit consists of the 27 to the 29 resistance R27, R28, R29 and temperature sensor, by the amplifying circuit that the 30 to the 32 resistance R30, R31, R32 and the second potentiometer W2 forms, enter into four-operational amplifier U7A, output to the analog input end INRT2 of microprocessor through the 33 resistance R33; The power end of the 3rd operational amplifier U6B, four-operational amplifier U7A is all connected to the 20 electric capacity C20.
As shown in Figure 5; harmonics circuit comprises by the 40 to the 42 resistance R40, R41, R42; 43 electric capacity C43, triode Q2, light emitting diode U9 composition control section and by the 43 to the 45 resistance R43, R44, R45; the drive part of the 44 electric capacity C44, controllable silicon Q3 composition, wherein control section input end is connected to Microprocessor S3C44B0X output terminal CON-AC.
As shown in Figure 6, wireless remote transmission transmission circuit, adopt CC2530 chip, 5th interface chip H5 is the debugging programming interface of CC2530 chip, the DO pin of CC2530 chip, DC pin are that debugging and DLL (dynamic link library) are connected to the 5th interface chip H5, and the RESET pin of CC2530 chip is that reseting interface is connected to the 5th interface chip H5; SDO pin, SDI pin are that the external reading and writing data communication interface of chip is connected to microprocessor; SS pin, SCK pin and SDO pin, SDI pin are connected to microprocessor with the use of the clock signal as mutual gating signal and exchanges data.23 electric capacity C23, the 24 electric capacity C24 are the filter capacitors of CC2530 chip digital power supply; 25 to the 29 electric capacity C25-to C29 is the filter capacitor of CC2530 chip analog power; 30 electric capacity C30, inductance L 1 form the filtering circuit of CC2530 chip.
38 resistance R38, the 22 electric capacity C22 provide the reset level powered on for CC2530 chip;
30th the one to three ten five electric capacity C31 to C35, inductance L 2, inductance L 3 are matching capacitance and the inductance of the radio frequency network of CC2530 chip; ANT1 is PCB radio-frequency antenna; 39 resistance R39 is the external accurate reference resistance for providing normalized current; 36 electric capacity C36 is the decoupling capacitor of internal digital register; Crystal oscillator Y2, electric capacity C37, electric capacity C38 are for CC2530 chip provides crystal oscillator and the loading capacitance of clock signal.
Claims (5)
1. there is the control device of power distribution protection and gateway center wireless remote transmission for intelligent domestic, it is characterized in that comprising:
Microprocessor, for Received signal strength, processes data and controls peripherals;
Harmonics circuit, be connected with microprocessor, go beyond the scope in the change in voltage of total road power supply, under electric current and electric power are greater than the line temperature change situation such as abnormal on specialized range and circuit, by process and the action of microprocessor, cut-out total road power supply that can be real-time, to ensure the safety of electricity consumption;
Wireless remote transmission transmission circuit, is connected with microprocessor, as indispensable part mutual with intelligent domestic gateway centre data, the relevant data of panel box power supply can be reached intelligent domestic gateway center in real time, as display and the use of data storage;
Analog to digital conversion circuit, is located in microprocessor, is connected with voltage, current sampling circuit and temperature sampling circuit, and voltage, current sampling circuit, by voltage transformer (VT) summation current transformer, are measured the voltage and current value of the general supply inlet wire of panel box; Temperature sampling circuit is by being placed in the Pt100 thermal resistance temperature sensor on general supply inlet wire circuit, by the temperature signal of circuit by bridge road circuit and operation amplifier circuit, be converted to simulating signal, be supplied to microprocessor, with the change of the temperature on real-time grasp circuit;
Serial communication circuit, is connected with microprocessor, comprises RS232 communication interface, RS485 communication interface and CAN communication interface;
Interior power supply circuit, for by the 3.3V direct supply of the Power convert of 12V needed for microprocessor and other circuit.
2. the control device having power distribution protection and gateway center wireless remote transmission for intelligent domestic according to claim 1, it is characterized in that: described current sampling circuit is such: current signal is converted into voltage signal by the 7th resistance (R7) by input current after current transformer (T1), accesses microprocessor through the first operational amplifier (U5B); First operational amplifier (U5B) negative input connects the amplifying circuit be made up of coupling capacitance (C15), the 8th resistance (R8), the 11 resistance (R11), first operational amplifier electrode input end is connected to the reference circuits be made up of filter capacitor (C16), the 9th resistance (R9), the tenth resistance (R10), and the first operational amplifier output terminal is connected to the analog input end IN-I of microprocessor through the 12 resistance (R12);
Described voltage sampling circuit is such: input signal through the 13 resistance (R13) by voltage transformer (VT) (T2), by the 14 resistance (R14), the current signal that sensor exports is converted to voltage signal, accesses microprocessor through the second operational amplifier (U6A); Second operational amplifier (U6A) negative input connects the amplifying circuit be made up of the 18 electric capacity (C18), the 15 resistance (R15), the 18 resistance (R18), second operational amplifier electrode input end is connected to the reference circuits be made up of filter capacitor (C19), the 16 resistance (R16), the 17 resistance (R17), and the second operational amplifier output terminal is connected to the analog input end IN-V of microprocessor through the 19 resistance (R19); The power end of the first operational amplifier (U5B), the second operational amplifier (U6A) is all connected to the 17 electric capacity (C17).
3. the control device having power distribution protection and gateway center wireless remote transmission for intelligent domestic according to claim 1, it is characterized in that: described temperature sampling circuit such comprises by the first temperature signal sample circuit and the second temperature sampling circuit, first temperature sampling circuit is by the 20 to the 22 resistance (R20, R21, the temperature signal of the resistance bridge electric circuit inspection R22) formed with temperature sensor, by the 23 to the 25 resistance (R23, R24, and the amplifying circuit that forms of the first potentiometer (W1) R25), enter into the 3rd operational amplifier (U6B), the analog input end INRT of microprocessor is outputted to through the 26 resistance (R26),
The temperature signal of the resistance bridge electric circuit inspection that the second temperature sampling circuit consists of the 27 to the 29 resistance (R27, R28, R29) and temperature sensor, by the amplifying circuit that the 30 to the 32 resistance (R30, R31, R32) and the second potentiometer (W2) form, enter into four-operational amplifier (U7A), output to the analog input end INRT2 of microprocessor through the 33 resistance (R33); The power end of the 3rd operational amplifier (U6B), four-operational amplifier (U7A) is all connected to the 20 electric capacity (C20).
4. the control device having power distribution protection and gateway center wireless remote transmission for intelligent domestic according to claim 1, it is characterized in that: described harmonics circuit comprises by the 40 to the 42 resistance (R40, R41, R42), 43 electric capacity (C43), triode (Q2), the control section that light emitting diode (U9) forms and by the 43 to the 45 resistance (R43, R44, R45), 44 electric capacity (C44), the drive part that controllable silicon (Q3) forms, wherein control section input end is connected to Microprocessor S3C44B0X output terminal CON-AC.
5. the control device having power distribution protection and gateway center wireless remote transmission for intelligent domestic according to claim 1, it is characterized in that: described wireless remote transmission transmission circuit is such: adopt CC2530 chip, the debugging programming interface that 5th interface chip (H5) is CC2530 chip, the DO pin of CC2530 chip, DC pin are that debugging and DLL (dynamic link library) are connected to the 5th interface chip (H5), and the RESET pin of CC2530 chip is that reseting interface is connected to the 5th interface chip (H5); SDO pin, SDI pin are that the external reading and writing data communication interface of chip is connected to microprocessor; SS pin, SCK pin are connected to microprocessor as the clock signal of mutual gating signal and exchanges data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926831.6A CN105353712A (en) | 2015-12-11 | 2015-12-11 | Control device used for smart home and having power distribution protection and gateway center wireless teletransmission functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510926831.6A CN105353712A (en) | 2015-12-11 | 2015-12-11 | Control device used for smart home and having power distribution protection and gateway center wireless teletransmission functions |
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| Publication Number | Publication Date |
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| CN105353712A true CN105353712A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510926831.6A Pending CN105353712A (en) | 2015-12-11 | 2015-12-11 | Control device used for smart home and having power distribution protection and gateway center wireless teletransmission functions |
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| CN110514956A (en) * | 2019-08-15 | 2019-11-29 | 深圳库博能源科技有限公司 | A kind of domestic intelligent safe distribution of electric power system that can remotely monitor |
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Application publication date: 20160224 |