CN204577905U - A kind of multi-way intelligence distribution box - Google Patents
A kind of multi-way intelligence distribution box Download PDFInfo
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- CN204577905U CN204577905U CN201520092648.6U CN201520092648U CN204577905U CN 204577905 U CN204577905 U CN 204577905U CN 201520092648 U CN201520092648 U CN 201520092648U CN 204577905 U CN204577905 U CN 204577905U
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Abstract
The utility model relates to a kind of multi-way intelligence distribution box, comprises microprocessor, clock module and temperature and humidity measurement module; Also comprise an electric current, voltage sample module, for the conversion of total road electric current, each branch current and house lead in alternating voltage so that the collection of microprocessor and calculating; One Keysheet module, for inputting every electric current, the protection value of voltage and the adjustment of clock; One display module, for showing magnitude of voltage, current value, charge value, the temperature and humidity value of environment, the current time and date of total road and each branch road; One alarm module, by microprocessor-based control, plays warning and indicative function; One power module is above each module for power supply; The utility model design is ingenious, easy to use, both can gather each road voltage, electric current, ambient temperature and humidity information shows, and can report to the police again, play an important role to Electrical Safety and disaster protection according to the voltage of setting, current protection value.
Description
Technical field
The utility model relates to distribution technique field, is specifically related to a kind of multi-way intelligence distribution box.
Background technology
Along with the progress of science and technology and applying of new electronic device, people more and more pay attention to Electrical Safety and disaster prevention.And now widely used distribution box has much room for improvement in security protection, can not effectively monitor for each branch current and report to the police.Because environmental factor has material impact to Electrical Safety, especially ambient temperature, humidity, and current existing distribution box cannot carry out detection to the humiture information of surrounding and display comprehensively.
Summary of the invention
For the problems referred to above, the utility model provides one can gather each road voltage, electric current, ambient temperature and humidity information showing, and carries out the multi-way intelligence distribution box of reporting to the police according to the voltage of setting, current protection value.
For solving the problem, the technical scheme that the utility model is taked is: a kind of multi-way intelligence distribution box, a microprocessor, for Received signal strength, deal with data control ancillary equipment work;
One clock module, for providing temporal information to microprocessor; One temperature and humidity measurement module, for providing temperature, humidity measurements to microprocessor; One electric current, voltage sample module, for the conversion of total road electric current, each branch current and house lead in alternating voltage so that the collection of microprocessor and calculating; One Keysheet module, for inputting every electric current, the protection value of voltage and the adjustment of clock; One display module, for showing magnitude of voltage, current value, charge value, the temperature and humidity value of environment, the current time and date of total road and each branch road; One alarm module, by microprocessor-based control, plays warning and indicative function; One power module is above each module for power supply;
Described microprocessor, each pin connects as follows: the 36,37 pins are as first via I2C interface and temperature and humidity measurement model calling; 31,32 pins are connected with clock module as the second road I2C interface; 11 to the 14 pin, the 17,18 pins, the 21 to the 24 pin as analog-to-digital conversion input interface, connect electric current, voltage sample module; 27 to the 30 pin is connected to Keysheet module as key assignments input interface; First to the 3rd pin, the 64, the 46, the 49 to the 55 pin and the 45 pin be all connected to display module; 33, the 34 and the 44 pin is connected to alarm module; 39, the 40 pin is as crystal oscillator input interface; 7th pin is as electrification reset pin; Seven, the 47,48 pins are connected to detail programming interface; 15,16 pins are as the external reference voltage input interface of analog to digital conversion circuit; 19,20 pins are as the external power source input interface of analog to digital conversion circuit; Ten, the 26, the 38, the 56, the 57 pin is as the power input interface of microprocessor; 9th pin, the 25, the 41 pin is as power supply of microprocessor ground wire input interface.
Described electric current, voltage sample module comprise the total road current sampling circuit be connected with microprocessor the 11 pin, the branch current sample circuit be connected with microprocessor the 13,14,17, the 18 and the 21 to the 24 pin respectively, the voltage sampling circuit that is connected with microprocessor the 12 pin; Total road current sampling circuit comprises an operational amplifier, and its in-phase input end forms null value reference point through two divider resistances respectively, and its inverting input accesses the alternating voltage of total road electric current after copper-manganese resistance transforms, and its output is connected to microprocessor the 11 pin; Branch current sample circuit is identical with total road current sampling circuit; The voltage at house lead in AC power two ends is accessed the voltage sampling circuit identical with total road current sampling circuit by voltage sampling circuit after divider resistance dividing potential drop.In total road current sampling circuit and branch current sample circuit, the positive input terminal of operational amplifier is null value reference point, the AC sampling voltage of ± 1.5V is lifted to the scope of 0-3V, is convenient to collection and the calculating of microprocessor.The resistance of copper-manganese resistance is 20 milliohms, can be the alternating voltage that the alternating current of 40A--75A is converted to 800mV-1500mV by maximum.By taking the mode of voltage at the two ends of house lead in AC power in voltage sampling circuit, the alternating voltage of normal 220V is converted to the ± AC sampling voltage of 1.5V.By the collection of alternating voltage and current cycle value and cumulative, calculate the instantaneous power of each branch road of total road, integral power.Simultaneously with reference to the protection value of the voltage and current according to setting in early stage, play the protection that voltage superpressure and electric current transfinite, display and reporting to the police.
Described clock module comprises serial clock chip, its VCC pin connects power supply and button cell through diode respectively, simultaneously through filter capacitor ground connection, the direct ground connection of its GND pin, its X1 pin and X2 pin connect crystal oscillator, its SDA pin and SCL pin connect microprocessor the 31,32 pins with I2C form, and are connected to power supply through pull-up resistor.Crystal oscillator frequency is 32.768K, provides the standard clock signal needed for timing to serial clock chip.Be that clock chip is powered by 3V3 power supply in power supply energising situation, the button cell of 3V, when power cut-off, ensures the normal operation of clock chip.
Described temperature and humidity measurement module comprises Temperature Humidity Sensor, its VCC pin connects power supply and through filter capacitor ground connection, the direct ground connection of its GND pin, its DATA pin and SCK pin connect microprocessor the 36,37 pins with I2C form, and connect power supply through pull-up resistor.
Described Keysheet module comprises four groups of buttons, often organize button and include the first button and the second button, the equal ground connection in one end of the first button and the second button, the first button other end connects microprocessor the 27 to the 30 pin respectively and through Key filtering capacity earth, the other end of the second button connects power supply through key assignments pull-up resistor respectively.Four groups of buttons are mainly used for every input of protection value and the adjustment of clock.Button microprocessor corresponding pin current potential when not pressing is high level, and when there being key to press, microprocessor corresponding pin is low level, by the Key dithering time delay of software, obtains correct key assignments.
Described display module comprises liquid crystal display and backlight drive circuit, described backlight drive circuit comprises PNP triode, its emitter connects power supply, its base stage connects microprocessor the 45 pin by current-limiting resistance, its collector electrode is connected to the 18 pin of liquid crystal display as exporting, the 14 of liquid crystal display, 15 pins connect VDD-to-VSS respectively, first pin of liquid crystal display is that sheet selects interface, 3rd pin is address interface, 4th pin is for writing interface, 5th pin is for reading interface, 6th to the 13 pin is data-interface, second pin is reseting interface, by resistance, electric capacity composition electrify restoration circuit, liquid crystal display the 16, 17 pins are working method interface.Liquid crystal display is mainly used for magnitude of voltage, current value, charge value, the temperature and humidity value of environment, the current time and date of the total road of Circulating fibrocytes and each branch road; Parallel data connected mode is adopted between liquid crystal display and microprocessor.By backlight drive circuit, the start and stop of LCD backlight plate can be controlled.
Described alarm module comprises buzzer alarm circuit and indicator light indicating circuit, described buzzer alarm circuit comprises buzzer and NPN triode, the IN+ pin of buzzer connects power supply, the IN1 pin of buzzer connects the collector electrode of NPN triode, and the base stage of NPN triode connects microprocessor the 44 pin through current-limiting resistance and the emitter common ground of the filter circuit formed via resistance and electric capacity and NPN triode; Described indicator light indicating circuit comprises and is connected to power indicating circuit that microprocessor the 34 pin is made up of pull-up resistor and light-emitting diode and is connected to the warning indicating circuit that microprocessor the 33 pin is made up of pull-up resistor and light-emitting diode.Directly controlled the start and stop of buzzer and indicator light by microprocessor, reach the effect of reporting to the police and indicating.
The utility model design is ingenious, easy to use, both can gather each road voltage, electric current, ambient temperature and humidity information shows, and can report to the police again, play an important role to Electrical Safety and disaster protection according to the voltage of setting, current protection value.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is microcontroller circuit schematic diagram;
Tu3Wei Zong road current sampling circuit schematic diagram;
Fig. 4 is voltage sampling circuit schematic diagram;
Fig. 5 is the first branch current sample circuit schematic diagram;
Fig. 6 is the second branch current sample circuit schematic diagram;
Fig. 7 is the 3rd branch current sample circuit schematic diagram;
Fig. 8 is the 4th branch current sample circuit schematic diagram;
Fig. 9 is the 5th branch current sample circuit schematic diagram;
Figure 10 is the 6th branch current sample circuit schematic diagram;
Figure 11 is the 7th branch current sample circuit schematic diagram;
Figure 12 is the 8th branch current sample circuit schematic diagram;
Figure 13 is clock module circuit theory diagrams;
Figure 14 is temperature and humidity measurement modular circuit schematic diagram;
Figure 15 is Keysheet module circuit theory diagrams;
Figure 16 is for being display module circuit theory diagrams;
Figure 17 is alarm module circuitry schematic diagram;
Figure 18 is power module circuitry schematic diagram;
Figure 19 is the interface circuit schematic diagram of electric current, voltage sample module.
Embodiment
A kind of multi-way intelligence distribution box, comprising: a microprocessor U1, for Received signal strength, deal with data control ancillary equipment work; One clock module, for providing temporal information to microprocessor; One temperature and humidity measurement module, for providing temperature humidity measured value to microprocessor; One electric current, voltage sample module, for the conversion of total road electric current, each branch current and house lead in alternating voltage so that the collection of microprocessor and calculating; One Keysheet module, for inputting every electric current, the protection value of voltage and the adjustment of clock; One display module, for showing magnitude of voltage, current value, charge value, the temperature and humidity value of environment, the current time and date of total road and each branch road; One alarm module, by microprocessor-based control, plays warning and indicative function; One power module is above each module for power supply;
Described microprocessor U1 adopts chip DSPIC33FJ128MC506, and each pin connects as follows: the 36,37 pins are as first via I2C interface and temperature and humidity measurement model calling; 31,32 pins are connected with clock module as the second road I2C interface; 11 to the 14 pin, the 17,18 pins, the 21 to the 24 pin as analog-to-digital conversion input interface, connect electric current, voltage sample module; 27 to the 30 pin is connected to Keysheet module as key assignments input interface; First to the 3rd pin, the 64, the 46, the 49 to the 55 pin and the 45 pin be all connected to display module; 33, the 34 and the 44 pin is connected to alarm module; 39, the 40 pin is as crystal oscillator input interface, is connected to the crystal oscillating circuit be made up of electric capacity C1, electric capacity C2, resistance R1, crystal oscillator Y1; 7th pin, as electrification reset pin, is connected to the electrify restoration circuit be made up of chip U2 and resistance R2; Seven, the 47,48 pins are connected to detail programming interface J1; 15,16 pins are as the external reference voltage input interface of analog to digital conversion circuit, 19,20 pins are as the external power source input interface of analog to digital conversion circuit, 16,19 pins meet power supply 3V3,15,20 pins connect in analog, power supply 3V3 be directly connected to filter capacitor C7, C8 in analog; Ten, the 26, the 38, the 56, the 57 pin as the power input interface of microprocessor U1, meet power supply VCC; 9th pin, the 25, the 41 pin as microprocessor U1 power ground input interface ground connection, be connected to filter capacitor C3 to C6 between power supply VCC and ground;
Described electric current, voltage sample module comprise the total road current sampling circuit be connected with microprocessor U1 the 11 pin, the branch current sample circuit be connected with microprocessor U1 the 13,14,17, the 18 and the 21 to the 24 pin respectively, the voltage sampling circuit that is connected with microprocessor U1 the 12 pin, total road current sampling circuit comprises an operational amplifier U9A, its in-phase input end forms null value reference point through two divider resistance R46 and R47 respectively, two divider resistance R47 and R476 meet power supply 3V3 and in analog respectively, power supply and in analog between be connected to filter capacitor C21 to C25, divider resistance R47 two ends are parallel with electric capacity C50, its inverting input accesses the alternating voltage of total road electric current after copper-manganese resistance RM transforms, alternating voltage is through electric capacity C19 filtering, the amplifying circuit formed via resistance R45 and R48 is connected to the output of operational amplifier U9A after amplifying, its output is connected to microprocessor U1 the 11 pin through current-limiting resistance R49, branch current sample circuit is identical with total road current sampling circuit, the voltage at house lead in AC power two ends is accessed the voltage sampling circuit identical with total road current sampling circuit by voltage sampling circuit after divider resistance R55 to R59 dividing potential drop.Eight branch current sample circuits: the alternating current of each branch road is converted to alternating voltage by copper-manganese resistance RM1-RM8; Enter the reverse input end of eight operational amplifier U5A to U8A, U11B to U14B respectively, other parts are with total road current sampling circuit; Interface circuit first line bank H1 and the second line bank H2 of electric current, voltage sample module form.First line bank H1 is the input of AC power and separating of each branch road power firestreak, and wherein the tenth pin, the 9th pin are respectively zero line and the live wire of general supply input, from total road air switch output interface of distribution box; First is respectively the output of eight branch road power firestreaks to octal, receives the live wire input of respective branch air switch.The zero line of each branch road air switch, by distribution box Nei Zong road air switch zero line output directly and take over; Second line bank H2 is the mode of general supply being distributed by short circuit in circuit board inside, pass through measuring resistance again, complete the output of each branch road power supply, wherein, first pin is accessed by copper-manganese resistance RM, again by the mode with the second to the 9th pin short circuit, be connected to corresponding 8 branch roads respectively by copper-manganese resistance RM1-RM8 and export.Shorting stub connects in the circuit board, simultaneously again by carrying out short circuit with short-circuit line on line bank, to increase through the ability of electric current.
Described clock module comprises serial clock chip U4, its VCC pin meets power supply VCC and button cell P1 through two diode D1 and D2 respectively, simultaneously through filter capacitor C10 ground connection, the direct ground connection of its GND pin, its X1 pin and X2 pin meet crystal oscillator Y2, its SDA pin and SCL pin connect microprocessor U1 the 31,32 pins with I2C form, and are connected to power supply VCC through pull-up resistor R77 and R78.
Described temperature and humidity measurement module comprises Temperature Humidity Sensor U3, its VCC pin meets power supply VCC and through filter capacitor C9 ground connection, the direct ground connection of its GND pin, its DATA pin and SCK pin connect microprocessor U1 the 36,37 pins with I2C form, and meet power supply VCC through pull-up resistor R3 and R4.
Described Keysheet module comprises four groups of button K1 to K4, often organize button and include the first button and the second button, the equal ground connection in one end of the first button and the second button, the first button other end connects microprocessor U1 the 27 to the 30 pin respectively and through Key filtering electric capacity C27 to C30 ground connection, the other end of the second button meets power supply VCC through key assignments pull-up resistor R64 to R67 respectively.
Described display module comprises liquid crystal display J2 and backlight drive circuit, described backlight drive circuit comprises PNP triode Q1, its emitter meets power supply VCC, and connect microprocessor U1 the 45 pin through current-limiting resistance R63, its base stage connects microprocessor the 45 pin by current-limiting resistance R62, its collector electrode is connected to the 18 pin of liquid crystal display J2 as exporting, the 14 of liquid crystal display J2, 15 pins connect power supply VCC and ground respectively, first pin of liquid crystal display is that sheet selects interface, 3rd pin is address interface, 4th pin is for writing interface, 5th pin is for reading interface, 6th to the 13 pin is data-interface, second pin is reseting interface, by resistance R60, electric capacity C26 forms electrify restoration circuit, liquid crystal display the 16, 17 pins are working method interface, data wire parallel mode is defined as by pull-up resistor R61.
Described alarm module comprises buzzer alarm circuit and indicator light indicating circuit, described buzzer alarm circuit comprises buzzer M1 and NPN triode Q2, the IN+ pin of buzzer meets power supply VCC, the IN1 pin of buzzer M1 connects the collector electrode of NPN triode Q2, and the base stage of NPN triode Q2 connects microprocessor U1 the 44 pin through current-limiting resistance R70 and the emitter common ground of the filter circuit formed via resistance R71 and electric capacity C31 and NPN triode Q2; Described indicator light indicating circuit comprises and is connected to power indicating circuit that microprocessor U1 the 34 pin is made up of pull-up resistor R69 and light-emitting diode D3 and is connected to the warning indicating circuit that microprocessor U1 the 33 pin is made up of pull-up resistor R68 and light-emitting diode D4.
Described power module be conventional rectification circuit for 220V alternating voltage is converted to 12V direct voltage, and by pressurizer LM2576-3V3,12V direct voltage to be reduced to power supply 3V3 be further microprocessor U1 and other module for power supply.
Claims (6)
1. a multi-way intelligence distribution box, is characterized in that comprising:
One microprocessor, for Received signal strength, deal with data control ancillary equipment work;
One clock module, for providing temporal information to microprocessor;
One temperature and humidity measurement module, for providing temperature, humidity measurements to microprocessor;
One electric current, voltage sample module, for the conversion of total road electric current, each branch current and house lead in alternating voltage so that the collection of microprocessor and calculating;
One Keysheet module, for inputting every electric current, the protection value of voltage and the adjustment of clock;
One display module, for showing magnitude of voltage, current value, charge value, the temperature and humidity value of environment, the current time and date of total road and each branch road;
One alarm module, by microprocessor-based control, plays warning and indicative function;
One power module is above each module for power supply;
Described microprocessor, each pin connects as follows: the 36,37 pins are as first via I2C interface and temperature and humidity measurement model calling; 31,32 pins are connected with clock module as the second road I2C interface; 11 to the 14 pin, the 17,18 pins, the 21 to the 24 pin as analog-to-digital conversion input interface, connect electric current, voltage sample module; 27 to the 30 pin is connected to Keysheet module as key assignments input interface; First to the 3rd pin, the 64, the 46, the 49 to the 55 pin and the 45 pin be all connected to display module; 33, the 34 and the 44 pin is connected to alarm module; 39, the 40 pin is as crystal oscillator input interface; 7th pin is as electrification reset pin; Seven, the 47,48 pins are connected to detail programming interface; 15,16 pins are as the external reference voltage input interface of analog to digital conversion circuit; 19,20 pins are as the external power source input interface of analog to digital conversion circuit; Ten, the 26, the 38, the 56, the 57 pin is as the power input interface of microprocessor; 9th pin, the 25, the 41 pin is as power supply of microprocessor ground wire input interface;
Described electric current, voltage sample module comprise the total road current sampling circuit be connected with microprocessor the 11 pin, the branch current sample circuit be connected with microprocessor the 13,14,17, the 18 and the 21 to the 24 pin respectively, the voltage sampling circuit that is connected with microprocessor the 12 pin; Total road current sampling circuit comprises an operational amplifier, and its in-phase input end forms null value reference point through two divider resistances respectively, and its inverting input accesses the alternating voltage of total road electric current after copper-manganese resistance transforms, and its output is connected to microprocessor the 11 pin; Branch current sample circuit is identical with total road current sampling circuit; The voltage at house lead in AC power two ends is accessed the voltage sampling circuit identical with total road current sampling circuit by voltage sampling circuit after divider resistance dividing potential drop.
2. multi-way intelligence distribution box according to claim 1, it is characterized in that: described clock module comprises serial clock chip, its VCC pin connects power supply and button cell through diode respectively, simultaneously through filter capacitor ground connection, the direct ground connection of its GND pin, its X1 pin and X2 pin connect crystal oscillator, and its SDA pin and SCL pin connect microprocessor the 31,32 pins with I2C form, and are connected to power supply through pull-up resistor.
3. multi-way intelligence distribution box according to claim 1, it is characterized in that: described temperature and humidity measurement module comprises Temperature Humidity Sensor, its VCC pin connects power supply and through filter capacitor ground connection, the direct ground connection of its GND pin, its DATA pin and SCK pin connect microprocessor the 36,37 pins with I2C form, and connect power supply through pull-up resistor.
4. multi-way intelligence distribution box according to claim 1, it is characterized in that: described Keysheet module comprises four groups of buttons, often organize button and include the first button and the second button, the equal ground connection in one end of the first button and the second button, the first button other end connects microprocessor the 27 to the 30 pin respectively and through Key filtering capacity earth, the other end of the second button connects power supply through key assignments pull-up resistor respectively.
5. multi-way intelligence distribution box according to claim 1, it is characterized in that: described display module comprises liquid crystal display and backlight drive circuit, described backlight drive circuit comprises PNP triode, its emitter connects power supply, its base stage connects microprocessor the 45 pin by current-limiting resistance, its collector electrode is connected to the 18 pin of liquid crystal display as exporting, the 14 of liquid crystal display, 15 pins connect VDD-to-VSS respectively, first pin of liquid crystal display is that sheet selects interface, 3rd pin is address interface, 4th pin is for writing interface, 5th pin is for reading interface, 6th to the 13 pin is data-interface, second pin is reseting interface, by resistance, electric capacity composition electrify restoration circuit, liquid crystal display the 16, 17 pins are working method interface.
6. multi-way intelligence distribution box according to claim 1, it is characterized in that: described alarm module comprises buzzer alarm circuit and indicator light indicating circuit, described buzzer alarm circuit comprises buzzer and NPN triode, the IN+ pin of buzzer connects power supply, the IN1 pin of buzzer connects the collector electrode of NPN triode, and the base stage of NPN triode connects microprocessor the 44 pin through current-limiting resistance and the emitter common ground of the filter circuit formed via resistance and electric capacity and NPN triode; Described indicator light indicating circuit comprises and is connected to power indicating circuit that microprocessor the 34 pin is made up of pull-up resistor and light-emitting diode and is connected to the warning indicating circuit that microprocessor the 33 pin is made up of pull-up resistor and light-emitting diode.
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| CN201520092648.6U CN204577905U (en) | 2015-02-10 | 2015-02-10 | A kind of multi-way intelligence distribution box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104577805A (en) * | 2015-02-10 | 2015-04-29 | 山东通源电气有限公司 | Multi-path intelligent distribution box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577805A (en) * | 2015-02-10 | 2015-04-29 | 山东通源电气有限公司 | Multi-path intelligent distribution box |
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