CN204129861U - A kind of hot-air intelligent energy-saving wired controller - Google Patents

A kind of hot-air intelligent energy-saving wired controller Download PDF

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Publication number
CN204129861U
CN204129861U CN201420582125.5U CN201420582125U CN204129861U CN 204129861 U CN204129861 U CN 204129861U CN 201420582125 U CN201420582125 U CN 201420582125U CN 204129861 U CN204129861 U CN 204129861U
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China
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pin
power supply
connects
microprocessor
vcc
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Expired - Fee Related
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CN201420582125.5U
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Chinese (zh)
Inventor
靖卫星
毕洁航
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JINAN XUESHAN ENERGY-SAVING TECHNOLOGY Co Ltd
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JINAN XUESHAN ENERGY-SAVING TECHNOLOGY Co Ltd
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Priority to CN201420582125.5U priority Critical patent/CN204129861U/en
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Abstract

The utility model relates to a kind of hot-air intelligent energy-saving wired controller that can be applied to the association area such as new building heating installation household metering system or existing heating installation household metering, reducing energy consumption, comprise: one for Received signal strength, the microprocessor processing data, the work of control peripherals, one for driving the motor of the Push And Release of valve for heating installation valve, one temperature sensor, one display device, a key-press module, clock chip, one MAX487 communication module, a power module.The utility model, by the switch of microprocessor driven Electric Machine Control valve, realizes user's free switch central heating valve as required, solves the problem of the wasting of resources.Simultaneously can be very clear to the information such as indoor temperature, heating duration, and do not need to do very large change to existing pipeline.The utility model can also adopt the mode of IC-card pre-payment, solves the problem of heating charge difficulty.Therefore the utility model has good application value.

Description

A kind of hot-air intelligent energy-saving wired controller
Technical field
The utility model relates to a kind of heating installation energy saver, particularly relates to a kind of hot-air intelligent energy-saving wired controller that can be applied to the association area such as new building heating installation household metering system or existing heating installation household metering, reducing energy consumption.
Background technology
Energy shortage is the significant problem faced by present countries in the world need, and China is populous, per capita energy's wretched insufficiency.The northern area of China progressively adopts the mode of central heating to heat, under the promotion energetically of national policy, the number of users of heat death theory increases substantially, and played larger effect, but the phenomenon of energy dissipation obviously can not be improved in the energy-saving and emission-reduction work of country.Area charge is pressed in traditional heating charge, the enthusiasm that user does not save; Heat during room no man in the same old way, can not automatic-closing valve, can only manual-lock; Room temperature is uncontrollable, heat release etc. of windowing when temperature is too high, and heating waste is serious; Heating information can not be checked in time, there is the difficult problem of payment simultaneously.
Summary of the invention
For the above problem, the utility model provide a kind of can switch valve for heating installation valve, be convenient to pay the fees and do not need to do existing pipeline the hot-air intelligent energy-saving wired controller of very large change.
For solving the problem, the technical solution of the utility model is: a kind of hot-air intelligent energy-saving wired controller, comprise microprocessor, motor, temperature sensor, display device, key-press module, clock chip, MAX487 communication module and power module, the VCC pin of described microprocessor connects power supply, and after filter capacitor ground connection, the GND pin of microprocessor connects power supply ground, and RST pin is connected with a rc reset circuit, is motor-drive circuit between the ON pin of microprocessor and OFF pin; Described motor-drive circuit comprises two PMOS, two NMOS tube, the source electrode of the first PMOS and the drain electrode of the first NMOS tube are connected to the M+ pin of motor jointly, the source electrode of the second PMOS and the drain electrode of the second NMOS tube are connected to the M-pin of motor jointly, the source ground of two NMOS tube, the drain electrode of two PMOS connects power supply by a current-limiting resistance, first PMOS and grid be jointly connected to OFF pin, the grid of the second PMOS and the second NMOS tube is connected to ON pin jointly, the two ends shunt capacitance of motor.Microprocessor is by completing detection to room temperature, control and display with the connection of temperature sensor, key-press module, motor, display device.Be connected with electric capacity between the M+ pin of motor and M-pin, during motor rotation, easily produce higher hamonic wave, the interference to other radio signals when electric capacity effectively can reduce machine operation.When valve opened by needs, ON pin exports low, and OFF pin exports high, the second PMOS and the first NMOS tube conducting, and motor rotates to valve opening position; When needs valve-off, OFF pin exports low, and ON pin exports high, and the first PMOS and the second NMOS tube conducting, motor rotates to closing direction.
The D pin of described temperature sensor connects the 18B20_DT pin of microprocessor, and VC pin connects power supply, and GND pin connects power supply ground, VC pin and the indirect filter capacitor of GND pin.Microprocessor makes the control of switch valve for heating installation valve according to the temperature that temperature sensor detects, and sends temperature information to display device and show.
Described display device is made up of backlight, LCDs and driving chip thereof, the LIGHT_BG pin of microprocessor connects the base stage of triode by resistance, the grounded emitter of triode, the collector of triode connects 1 pin of backlight by resistance, 2 pin of backlight connect power supply; The DA pin of LCDs driving chip, WR pin, RD pin, CS pin, IRQ pin connect the DA pin of microprocessor, WR pin, RD pin, CS pin, IRQ pin connect power supply through pull-up resistor respectively, its VDD pin connects power supply, and ground connection after connecing filtered electrical, connect power supply after its VLCD pin connecting resistance, COM0 pin to the COM7 pin and SEG0 pin to SEG29 pin of LCDs driving chip connects the corresponding pin of LCDs respectively.Connect backlight by triode and enhance the driving force of circuit, show by liquid crystal indicator the time-temperature information that microprocessor provides, make user very clear to this type of information.
Described key-press module is made up of five buttons, five button one end ground connection, the other end connects the KEY_POWER pin of microprocessor, KEY_ADD pin, KEY_MINUS pin, KEY_PRE SERVER1 pin, KEY_ PRE SERVER2 pin connect power supply respectively by pull-up resistor respectively.Regulation time setting is carried out, the switch of room temperature setting and by-pass valve control by key-press module.
The CE pin of described clock chip, IO pin, SCLK pin connect the 1302_CE pin of microprocessor, CHIP_CON2 pin and CHIP_CON1 pin respectively and connect power supply through pull-up resistor respectively, the X1 pin of clock chip and the external crystal oscillator of X2 pin, the two ends of crystal oscillator are all through capacity earth, the V2 pin of clock chip meets power supply VCC and connects with ground through filter capacitor, the V1 pin of clock chip connects rechargeable battery, and through filter capacitor ground connection, the G pin of clock chip connects power supply ground.Measure the current time by clock chip, be transferred to and slightly manage device and shown by display device.
The RO pin of described MAX487 communication module, DI pin connect RXD1 pin, the TXD1 pin of microprocessor respectively, and its RE pin and DE pin connect the UART_CON1 pin of microprocessor and connect power supply respectively by pull-up resistor; The VC pin of MAX487 communication module connects power supply, and ground connection after connecing filter capacitor, the GND pin ground connection of MAX487 communication module, the A pin of MAX487 communication module connects power supply through pull-up resistor, B pin ground connection after resistance, the indirect resistance of A pin and B pin, A pin is connected with the UART_A pin of external interface by after resistance; B pin is connected with the UART_B pin of external interface by after resistance.By MAX487 communication module and collector communication, for the time by heating, the relevant informations such as the indoor temperature of user, are transferred to collector, and collector is by information transmission to master station, and the unit for heating carries out checking and managing.
Described power module comprises an electric pressure converter, the Vin foot meridian capacitor of electric pressure converter is connected to+24V supply voltage, Out pin connects feedback pin through inductance, indirect rectification two pole of ON/OFF pin and Out pin, again after shunt capacitance filtering as power supply, the ON/OFF pin of electric pressure converter and the direct ground connection of GND pin.
In addition microprocessor is also connected with low-voltage testing circuit, crystal oscillating circuit, external interface J13.
Described low-voltage testing circuit is that microprocessor LOWVAL pin meets power supply VCC by resistance R32, through resistance R33 ground connection, detects the dividing potential drop that voltage is resistance R33 and resistance R32.
Described crystal oscillating circuit is the indirect clock crystal oscillator of XTAL1 and XTAL2 of microprocessor, and XTAL1, XTAL2 be ground connection after electric capacity C13, electric capacity C17 respectively.
1 pin of described external interface is+24V power supply, 2 pin and 5 pin are power supply ground, 4 pin and 3 pin connect the OPEN pin of microprocessor and CLOSE pin respectively as OPEN pin and CLOSE pin and connect power supply respectively by pull-up resistor, and 6 pin of external interface, 7 pin connect M+ pin and the M-pin of motor respectively.
This device can also be provided with identification circuit of swiping the card, and coordinates with this circuit, and by the cost information input in IC-card, if also have expense, then this circuit works on, if expense is too low or use up, then circuit does not work, and prompting is supplemented with money, and this easily realizes.
The utility model, by the switch of microprocessor driven Electric Machine Control valve, realizes user's free switch central heating valve as required, solves the problem of the wasting of resources.Simultaneously can be very clear to the information such as indoor temperature, heating duration, and do not need to do very large change to existing pipeline.The utility model can also adopt the mode of IC-card pre-payment, solves the problem of heating charge difficulty, facilitates the management of heating department.Therefore the utility model has good application value.
Accompanying drawing explanation
Fig. 1 is the utility model system chart;
Fig. 2 is the circuit theory diagrams of the utility model microprocessor;
Fig. 3 is the circuit theory diagrams of the utility model motor-drive circuit;
Fig. 4 is the circuit theory diagrams of the utility model temperature sensor;
Fig. 5 is the circuit theory diagrams of the utility model backlight;
Fig. 6 is the utility model LCDs driving circuit principle figure;
Fig. 7 is the circuit theory diagrams of the utility model key-press module;
Fig. 8 is the circuit theory diagrams of the utility model clock chip;
Fig. 9 is the circuit theory diagrams of the utility model MAX487 communication module;
Figure 10 is the circuit theory diagrams of the utility model power module;
Figure 11 is the utility model low-voltage testing circuit schematic diagram;
Figure 12 is external interface J13 wiring diagram.
Embodiment
A kind of hot-air intelligent energy-saving wired controller, as shown in Figure 1, comprise: a microprocessor J3, microprocessor connects motor, temperature sensor, display device, key-press module, clock chip and MAX487 communication module, wherein microprocessor J3 is used for Received signal strength, process data, control peripherals works, motor is for driving the Push And Release of valve for heating installation valve, temperature sensor is used for detected temperatures and is transferred to microprocessor, display device is used for displaying time, temperature information, key-press module is used for regulation time, the switch of setting room temperature and by-pass valve control, clock chip is used for providing the time to microprocessor, date and time information, MAX487 communication module is used for and collector communication, power module is used for for above-mentioned module for power supply.
As shown in Figure 2, the VCC pin of described microprocessor meets power supply VCC, and after filter capacitor C8, C12 ground connection, its GND pin connects power supply ground, RST pin is connected with a rc reset circuit be made up of resistance R10, electric capacity C16, its P3.6 pin and P3.7 pin, respectively as ON pin and OFF pin, are motor-drive circuit between ON pin and OFF pin.As shown in Figure 3, described motor-drive circuit comprises two PMOS Q2 and Q3, two NMOS tube Q4 and Q5, the source electrode of the first PMOS Q3 and the drain electrode of the first NMOS tube Q4 are connected to the M+ pin of motor jointly, the source electrode of the second PMOS Q2 and the drain electrode of the second NMOS tube Q5 are connected to the M-pin of motor jointly, electric capacity C26 is connected with between M+ pin and M-pin, the source ground of two NMOS tube, the drain electrode of two PMOS meets power supply VCC by a current-limiting resistance R16, the grid of PMOS Q3 and NMOS tube Q4 is connected to OFF pin jointly, the grid of PMOS Q2 and NMOS tube Q5 is connected to ON pin jointly.
As shown in Figure 4, the D pin of described temperature sensor connects the 18B20_DT pin of microprocessor, and VC pin meets power supply VCC, and GND pin connects power supply ground, VC pin and the indirect filter capacitor C14 of GND pin.
As shown in Figure 5, Figure 6, described display device is made up of backlight, LCDs and driving chip thereof, the LIGHT_BG pin of microprocessor connects the base stage of triode Q1 by resistance R18, the grounded emitter of triode Q1, the collector of triode Q1 connects 1 pin of backlight by resistance, 2 pin of backlight meet power supply VCC; The DA pin of LCDs driving chip U2, WR pin, RD pin, CS pin, IRQ pin connect the DA pin of microprocessor, WR pin, RD pin, CS pin, IRQ pin meet power supply VCC through pull-up resistor R4, R5, R6, R7, R8 respectively, its VDD pin meets power supply VCC, and ground connection after meeting filter capacitor C15, meet power supply VCC after its VLCD pin connecting resistance R9, COM0-COM7 and SEG0-SEG29 of LCDs driving chip HT1622 connects the corresponding pin of LCDs respectively.
As shown in Figure 7, described key-press module is made up of five buttons, five button one end ground connection, the other end connects the KEY_POWER pin of microprocessor, KEY_ADD pin, KEY_MINUS pin, KEY_PRE SERVER1 pin, KEY_ PRE SERVER2 pin meet power supply VCC respectively by pull-up resistor R15, R14, R13, R12, R22 respectively.
As shown in Figure 8, described clock chip CE pin, IO pin, SCLK pin connect the 1302_CE pin of microprocessor, CHIP_CON2 pin and CHIP_CON1 pin respectively and meet power supply VCC through pull-up resistor R3, R2, R1 respectively, the X1 pin of clock chip and the external crystal oscillator of X2 pin, the two ends of crystal oscillator are all through ceramic disc capacitor C3, C5 ground connection, the V2 pin of clock chip meets power supply VCC and connects with ground through filter capacitor C1, the V1 pin of clock chip connects rechargeable battery, and through filter capacitor C7 ground connection, the G pin of clock chip connects power supply ground.
As shown in Figure 9, the RO pin of described MAX487 communication module U3, DI pin connect RXD1 pin, the TXD1 pin of microprocessor respectively, and its RE pin and DE pin connect the UART_CON1 pin of microprocessor and meet power supply VCC respectively by pull-up resistor; The VC pin of MAX487 communication module meets power supply VCC, and ground connection after meeting filter capacitor C18, the GND pin ground connection of MAX487 communication module, the A pin of MAX487 communication module meets power supply VCC through pull-up resistor R42, B pin is ground connection after resistance R43, the indirect resistance R27 of A pin and B pin, A pin is connected with the UART_A pin of external interface J13 by after resistance R44; B pin is connected with the UART_B pin of external interface J13 by after resistance R45.
As shown in Figure 10, described power module comprises an electric pressure converter J6, Vin foot meridian capacitor C19, C20 of electric pressure converter J6 are connected to+24V supply voltage, Out pin connects feedback pin through inductance L 1, the indirect commutation diode D2 of ON/OFF pin and Out pin, other circuit modules are connected to again, the ON/OFF pin of electric pressure converter J6 and the direct ground connection of GND pin after shunt capacitance C21-C25 filtering.
In addition microprocessor is also connected with low-voltage testing circuit, crystal oscillating circuit, external interface J13.As shown in figure 11, described low-voltage testing circuit is that microprocessor LOWVAL pin meets power supply VCC by resistance R32, through resistance R33 ground connection, detects the dividing potential drop that voltage is resistance R33 and resistance R32.As shown in Figure 2, described crystal oscillating circuit is the indirect clock crystal oscillator of XTAL1 and XTAL2 of microprocessor, and XTAL1, XTAL2 be ground connection after electric capacity C13, electric capacity C17 respectively.As shown in figure 12,1 pin of described external interface J13 is+24V power supply, 2 pin and 5 pin are power supply ground, 4 pin of external interface J13 and 3 pin connect the OPEN pin of microprocessor and CLOSE pin respectively as OPEN pin and CLOSE pin and meet power supply VCC respectively by pull-up resistor, and 6 pin of external interface J13,7 pin connect M+ pin and the M-pin of motor respectively.
When valve opened by needs, ON pin exports low, and OFF pin exports high, Q2 and Q4 conducting, and motor rotates to valve opening position; When needs valve-off, OFF pin exports low, and ON pin exports high, Q3 and Q5 conducting, motor rotates to closing direction.

Claims (7)

1. a hot-air intelligent energy-saving wired controller, comprise microprocessor, motor, temperature sensor, display device, key-press module, clock chip, MAX487 communication module and power module, it is characterized in that: the VCC pin of described microprocessor connects power supply (VCC), and after filter capacitor (C8, C12) ground connection, the GND pin of microprocessor connects power supply ground, RST pin is connected with a rc reset circuit, is motor-drive circuit between the ON pin of microprocessor and OFF pin, described motor-drive circuit comprises two PMOS (Q2 and Q3), two NMOS tube (Q4 and Q5), the source electrode of the first PMOS (Q3) and the drain electrode of the first NMOS tube (Q4) are connected to the M+ pin of motor jointly, the source electrode of the second PMOS (Q2) and the drain electrode of the second NMOS tube (Q5) are connected to the M-pin of motor jointly, the source ground of two NMOS tube, the drain electrode of two PMOS connects power supply (VCC) by a current-limiting resistance, the grid of the first PMOS (Q3) and the first NMOS tube (Q4) is connected to OFF pin jointly, the grid of the second PMOS (Q2) and the second NMOS tube (Q5) is connected to ON pin jointly, the two ends shunt capacitance (C26) of motor.
2. hot-air intelligent energy-saving wired controller according to claim 1, it is characterized in that: the D pin of described temperature sensor connects the 18B20_DT pin of microprocessor, VC pin connects power supply (VCC), and GND pin connects power supply ground, VC pin and the indirect filter capacitor of GND pin (C14).
3. hot-air intelligent energy-saving wired controller according to claim 1, it is characterized in that: described display device is made up of backlight, LCDs and driving chip thereof, the LIGHT_BG pin of microprocessor connects the base stage of triode (Q1) by resistance (R18), the grounded emitter of triode (Q1), the collector of triode (Q1) connects 1 pin of backlight by resistance, 2 pin of backlight connect power supply (VCC); The DA pin of LCDs driving chip (U2), WR pin, RD pin, CS pin, IRQ pin connect the DA pin of microprocessor, WR pin, RD pin, CS pin, IRQ pin connect power supply (VCC) through pull-up resistor respectively, its VDD pin connects power supply (VCC), and connect filter capacitor (C15) ground connection afterwards, connect power supply (VCC) after its VLCD pin connecting resistance (R9), COM0 pin to the COM7 pin and SEG0 pin to SEG29 pin of LCDs driving chip (U2) connects the corresponding pin of LCDs respectively.
4. hot-air intelligent energy-saving wired controller according to claim 1, it is characterized in that: described key-press module is made up of five buttons, five button one end ground connection, the other end connects the KEY_POWER pin of microprocessor, KEY_ADD pin, KEY_MINUS pin, KEY_PRE SERVER1 pin, KEY_ PRE SERVER2 pin connect power supply (VCC) respectively by pull-up resistor respectively.
5. hot-air intelligent energy-saving wired controller according to claim 1, it is characterized in that: the CE pin of described clock chip (U1), IO pin, SCLK pin connects the 1302_CE pin of microprocessor respectively, CHIP_CON2 pin and CHIP_CON1 pin also connect power supply (VCC) through pull-up resistor respectively, the X1 pin of clock chip (U1) and the external crystal oscillator of X2 pin, the two ends of crystal oscillator are all through capacity earth, the V2 pin of clock chip connects power supply (VCC) and connects with ground through filter capacitor (C1), the V1 pin of clock chip connects rechargeable battery, and through filter capacitor (C7) ground connection, the G pin of clock chip connects power supply ground.
6. hot-air intelligent energy-saving wired controller according to claim 1, it is characterized in that: the RO pin of described MAX487 communication module (U3), DI pin connect RXD1 pin, the TXD1 pin of microprocessor respectively, its RE pin and DE pin connect the UART_CON1 pin of microprocessor and connect power supply (VCC) respectively by pull-up resistor; The VC pin of MAX487 communication module connects power supply (VCC), and connect filter capacitor (C18) ground connection afterwards, the GND pin ground connection of MAX487 communication module, the A pin of MAX487 communication module connects power supply (VCC) through pull-up resistor (R42), B pin is ground connection after resistance (R43), the indirect resistance (R27) of A pin and B pin, A pin is connected with the UART_A pin of external interface (J13) afterwards by resistance (R44); B pin is connected with the UART_B pin of external interface (J13) afterwards by resistance (R45).
7. hot-air intelligent energy-saving wired controller according to claim 1, it is characterized in that: described power module comprises an electric pressure converter (J6), the Vin foot meridian capacitor (C19, C20) of electric pressure converter (J6) is connected to+24V supply voltage, Out pin connects feedback pin through inductance (L1), the indirect commutation diode (D2) of ON/OFF pin and Out pin, again after shunt capacitance (C21-C25) filtering as power supply (VCC), the ON/OFF pin of electric pressure converter (J6) and the direct ground connection of GND pin.
CN201420582125.5U 2013-11-28 2014-10-10 A kind of hot-air intelligent energy-saving wired controller Expired - Fee Related CN204129861U (en)

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CN201420582125.5U CN204129861U (en) 2013-11-28 2014-10-10 A kind of hot-air intelligent energy-saving wired controller

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CN201320762428 2013-11-28
CN201320762428.0 2013-11-28
CN201420582125.5U CN204129861U (en) 2013-11-28 2014-10-10 A kind of hot-air intelligent energy-saving wired controller

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150128

Termination date: 20151010

EXPY Termination of patent right or utility model