CN204128059U - A kind of wireless one drags four central heating valve outdoor control device - Google Patents

A kind of wireless one drags four central heating valve outdoor control device Download PDF

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Publication number
CN204128059U
CN204128059U CN201420582179.1U CN201420582179U CN204128059U CN 204128059 U CN204128059 U CN 204128059U CN 201420582179 U CN201420582179 U CN 201420582179U CN 204128059 U CN204128059 U CN 204128059U
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China
Prior art keywords
pin
microprocessor
ground connection
power supply
voltage
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420582179.1U
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Chinese (zh)
Inventor
靖卫星
毕洁航
周丽华
扈兰兰
付孟虎
匙志明
王朋成
李加硕
杨亚东
法政
李鑫磊
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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 CN201420582179.1U priority Critical patent/CN204128059U/en
Application granted granted Critical
Publication of CN204128059U publication Critical patent/CN204128059U/en
Expired - Fee Related legal-status Critical Current
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    • Y02B60/50

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Abstract

The utility model relates to wireless one and drags four heater control valve outdoor control device, comprises microprocessor, MAX487 communication module, radio-frequency module, key-press module and power module, also comprises four motors.The utility model achieves user's free switch central heating valve, can close during room no man, stops charging, all more energy-conservation than existing various charging way.And user freely can arrange indoor temperature, can reduce the temperature difference that is indoor and outdoor, when indoor temperature reaches setting value, turning off steam valve, stops charging.Adopt IC-card prepayment mode, solve the problem of difficult charge, convenient management.In addition, one piece of control panel can control the on off state of four motors simultaneously, reduces cost.

Description

A kind of wireless one drags four central heating valve outdoor control device
Technical field
The utility model relates to a kind of heater control valve outdoor control device, particularly relate to one and can be applied to new building heating installation household metering system, or wireless one of the association area such as existing building heating installation household metering, reducing energy consumption drags four heater control valve outdoor control device.
Background technology
Energy shortage is the problem faced by present countries in the world need, China populous, per capita energy's relative shortage.But there is following problem in the heating system of China: house when house vacant for a long time, working, the students' dormitory of upper class hour, the office building at night, teaching building, etc. public place, room no man heats in the same old way, and heating installation cannot be closed, and adds useless spending.Secondly, temperature cannot regulate, heat release of windowing when indoor temperature is too high.Don't work heat number without exception by area charge, be unfair.And have line traffic control to need comparatively long lead, and need to burrow on user's wall, destroy user's finishing originally, and increase installation cost.Existing central heating valve outdoor control device can only drive a machine operation by a microprocessor, and the valve of energy switch is limited.Building need be equipped with control device outside multi-room, and cost is higher.
Summary of the invention
There is provided a kind of rational in infrastructure, point family, locellus metering for above problem the utility model, do not need that wireless one of very large change is done to existing pipeline and drag four central heating valve outdoor control device.
The technical scheme taked for overcoming the above problems the utility model is: a kind of wireless one drags four central heating valve outdoor control device, comprise microprocessor, MAX487 communication module, radio-frequency module, key-press module and power module, feature is also to comprise four motors, 7 pin Vdd of microprocessor connect power supply, and after filter capacitor ground connection, 6 pin Vss of microprocessor connect power supply ground, 28 pin Vdd of microprocessor connect power supply, and after filter capacitor ground connection, the direct ground connection of 29 pin Vss of microprocessor, between the TlOSI pin of microprocessor and TlOSO pin, all crystal oscillating circuit is connected between OSC1 pin and OSC2 pin, the RD4 pin of microprocessor and RD5 pin, RD6 pin and RD7 pin, RA0 pin and RA1 pin, RA2 pin and RA3 are as four groups of OFF pin and ON pin, often organize between OFF pin and ON pin and be all connected with motor-drive circuit.The control information that microprocessor transmits according to indoor microprocessor controls motor.
Described motor-drive circuit is such: for motor M 1, comprise two PMOS, two NMOS tube, the source electrode of PMOS Q1 and the drain electrode of NMOS tube Q13 are connected to the M1+ pin of motor jointly, the source electrode of PMOS Q6 and the drain electrode of NMOS tube Q14 are connected to the M1-pin of motor jointly, the source ground of two NMOS tube, the drain electrode of two PMOS connects+5V voltage by a current-limiting resistance, the grid of the first PMOS Q1 and the first NMOS tube Q13 is connected to OFF1 pin jointly, the grid of the second PMOS Q6 and the second NMOS tube Q14 is connected to ON1 pin jointly, the two ends shunt capacitance C3 of motor M 1, the M1+ of motor, M1-is connected to as it provides on the outlet interface J1 of control signal, the drive circuit of other three motors in like manner.Each motor-drive circuit is responsible for driving corresponding motor running, switch central heating valve.
Microprocessor is also provided with outlet interface, the DI pin of described MAX487 communication module and RO pin connect PC6 pin, the PC7 pin of microprocessor respectively, and connect power supply through pull-up resistor, the RB0 pin of microprocessor connects RE-pin and the DE pin of MAX487 communication module, and connect power supply through pull-up resistor, the VC pin of MXA48 communication module connects power supply, ground connection after shunt-wound capacitance, the direct ground connection of its GND pin, series resistor and switch between its A pin and B pin, meet power supply VCC after A pin connecting resistance, A pin is connected with the UART_A pin of outlet interface by after resistance; Ground connection after B pin connecting resistance, B pin is connected with the UART_B pin of outlet interface by after resistance.Indoor set gathers the relevant information such as heating duration, user indoor temperature, and indoor set, by being wirelessly transmitted to outdoor location, is being transferred to collector via MAX487, and collector is by information transmission to master station, and the unit for heating carries out checking and managing.
Described power module comprises three electric pressure converters, the Vin pin of+24V voltage input voltage converter, and after capacitor filtering ground connection, its Out pin output voltage connects Feedback pin through inductance, commutation diode is established between ON/OFF pin and Out pin, Feedback pin exports+12V voltage, ON/OFF pin and the direct ground connection of GND pin after connecing shunt capacitance filter circuit post filtering; + 12V voltage enters the Vin pin of voltage conversion chip, and Vout pin exports+5V voltage and charges to rechargeable battery, the GND pin ground connection of electric pressure converter; + 5V voltage enters voltage conversion chip and converts 3.3V supply voltage to after filter capacitor filtering, and for powering to radio frequency platelet, its GND pin connects power supply ground.Exportable+the 12V of power module ,+5V ,+3.3V three kinds of voltages, be respectively used to charge the battery, power to each module for power supply and to radio frequency platelet.
The SI pin of described radio-frequency module, SO pin, SCLK pin, DGO2 pin, DGO0 pin connect RC4 pin, RC5 pin, RC3 pin, RB2 pin, the RB3 pin of microprocessor, 1 pin of radio-frequency module connect power supply and after capacitor filtering ground connection, its 7 pin, 9 pin and 10 pin ground connection.Radio-frequency module is used for carrying out wireless transmission with outdoor control device.
Described key-press module comprises four buttons, four button one end ground connection, and the other end connects the RB4 pin of microprocessor, RB5 pin, RB6 pin, RB7 pin connect power supply respectively by pull-up resistor respectively.The control to four valve switch states is completed by key-press module.
Described microprocessor is also connected with the dichromatic LED that four groups are used to indicate the duty of circuit, is also connected with the light emitting diode that is used to indicate power work state simultaneously.
In addition, microprocessor is also connected with low-voltage testing circuit and crystal oscillating circuit.
Described low-voltage testing circuit is that the dividing potential drop of+24V supply voltage that resistance R51 and R55 is connected in series detects: connect power supply+24V simultaneously ground connection after connecting resistance R55 after the RA5 pin connecting resistance R51 of microprocessor.When detection voltage interrupts lower than producing low pressure during 1.1V.
Described crystal oscillating circuit is: the two ends of the TlOSI pin of microprocessor, the indirect crystal oscillator Y2 of TlOSO pin, and crystal oscillator Y2 two ends are all through capacity earth, and the two ends of the OSC1 pin of microprocessor, the indirect crystal oscillator Y3 of OSC2 pin, crystal oscillator Y3 two ends are all through capacity earth.
What the utility model provided wireless one drags four central heating valve outdoor control device to have the following advantages:
1, user can free switch central heating valve, can close during room no man, stops charging, all more energy-conservation than existing various charging way.
2, user freely can arrange indoor temperature, can reduce the temperature difference that is indoor and outdoor, and when indoor temperature reaches setting value, turning off steam valve, stops charging.
3, when indoor temperature setting value is low, open central heating valve, make room temperature reach this setting value within a short period of time, then central heating valve is closed, and stops charging.
4, IC-card prepayment mode, solves the problem of difficult charge, convenient management.
5, by the valve of its independent development and existing interface class seemingly, easy for installation.
6, power of motor is low, can adopt small machine, and its power is about 2W, and power consumption is few.
7, can adopt " two-part system fee method ": National Development and Reform Committee, the Ministry of Construction combine on June 3rd, 2007 " the city heat supply price control Tentative Measures " of issue, regulation heating charging carries out " two-part system caloric value " (also claiming " two-part system fee method ") that fixing caloric value combines with metering caloric value.Fixing caloric value is determined according to the standard of total caloric value 30%-60%, and metering caloric value calculates by the actual use amount of user, and the heating cost that user will pay is fixing caloric value and metering caloric value sum.
8, one piece of control panel can control the on off state of four motors simultaneously, reduces cost.
Accompanying drawing explanation
Fig. 1 is system block diagram of the present utility model;
Fig. 2 is the utility model microcontroller circuit schematic diagram;
Fig. 3 is motor-drive circuit circuit theory diagrams;
Fig. 4 is MAX communication module circuit theory diagrams;
Fig. 5 is power module circuitry schematic diagram;
Fig. 6 is radio frequency module circuit schematic diagram;
Fig. 7 is key-press module circuit theory diagrams;
Fig. 8 is instruction circuit schematic diagram;
Fig. 9 is the wiring diagram of outlet interface J1;
Figure 10 is the wiring diagram of outlet interface J2;
Figure 11 low-voltage testing circuit circuit theory diagrams.
Detailed description of the invention
A kind of wireless one drags the outdoor control circuit of four central heating valves, as shown in Figure 1, comprises a microprocessor U1 and connected four motors, MAX487 communication module, radio-frequency module, key-press module, also comprises the power module that is above-mentioned each module for power supply.
As shown in Figure 2,7 pin Vdd of microprocessor meet power supply VCC, and after filter capacitor C11 ground connection, 6 pin Vss of microprocessor connect power supply ground, 28 pin Vdd of microprocessor meet power supply VCC, and after filter capacitor C12, C33 ground connection, the direct ground connection of 29 pin Vss of microprocessor.As shown in Figure 11, the RA5 pin of microprocessor connects low-voltage testing circuit, meets power supply+24V after RA5 pin connecting resistance R51, simultaneously ground connection after connecting resistance R55.As shown in Figure 2, between the T1OSI pin of microprocessor and T1OSO pin, between OSC1 pin and OSC2 pin, be all connected to crystal oscillating circuit, described crystal oscillating circuit is: the two ends of the TlOSI pin of microprocessor, the indirect crystal oscillator Y2 of TlOSO pin, crystal oscillator Y2 two ends are all through capacity earth, the two ends of the OSC1 pin of microprocessor, the indirect crystal oscillator Y3 of OSC2 pin, crystal oscillator Y3 two ends are all through capacity earth.The RC2 pin of microprocessor meets power supply VCC after light emitting diode D1 and current-limiting resistance R46, the RD4 pin of microprocessor and RD5 pin, RD6 pin and RD7 pin, RA0 pin and RA1 pin, RA2 pin and RA3, respectively as OFF pin and ON pin, often organize between OFF pin and ON pin and are connected with motor-drive circuit.
As shown in Figure 3, motor-drive circuit is such: for motor M 1, comprise two PMOS Q1 and Q6, two NMOS tube Q13 and Q14, the source electrode of the first PMOS Q1 and the drain electrode of the first NMOS tube Q13 are connected to the M1+ pin of motor jointly, the source electrode of the second PMOS Q6 and the drain electrode of the second NMOS tube Q14 are connected to the M1-pin of motor jointly, the source ground of two NMOS tube, the drain electrode of two PMOS connects+5V voltage by a current-limiting resistance, the grid of the first PMOS Q1 and the first NMOS tube Q13 is connected to OFF1 pin jointly, the grid of the second PMOS Q6 and the second NMOS tube Q14 is connected to ON1 pin jointly, the two ends shunt capacitance C3 of motor M 1.The drive circuit of other three motors in like manner, shown in visible figure, no longer describes at this.As shown in Figure 10, M+, M-of motor are connected to as it provides on the outlet interface J1 of control signal.
As shown in Fig. 4 and Figure 10, microprocessor is also provided with outlet interface J2, the DI pin of described MAX487 communication module and RO pin connect the PC6 pin of microprocessor respectively, PC7 pin, and meet power supply VCC through pull-up resistor, the RB0 pin of microprocessor connects RE-pin and the DE pin of MAX487 communication module, and meet power supply VCC through pull-up resistor, the VC pin of MXA48 communication module meets power supply VCC, ground connection after shunt-wound capacitance C29, the direct ground connection of its GND pin, series resistor R64 and switch J7 between its A pin and B pin, power supply VCC is met after A pin connecting resistance R65, A pin is connected with the UART_A pin of outlet interface J2 by after resistance R67, ground connection after B pin connecting resistance R66, B pin is connected with the UART_B pin of outlet interface J2 by after resistance R68 pin.
As shown in Figure 5, described power module comprises three electric pressure converters, the Vin pin of+24V voltage input voltage converter J4, and after electric capacity C39 filtering ground connection, its Out pin output voltage connects Feedback pin through inductance L 2, establish commutation diode D7 between ON/OFF pin and Out pin, Feedback pin exports+12V voltage, ON/OFF pin and the direct ground connection of GND pin after connecing shunt capacitance filter circuit post filtering; + 12V voltage enters the Vin pin of voltage conversion chip U2, and Vout pin exports+5V voltage and charges to rechargeable battery BT2, the GND pin ground connection of electric pressure converter U2; + 5V voltage enters voltage conversion chip U4 and converts 3.3V supply voltage VCC to after filter capacitor C63, C27 filtering, and for powering to radio frequency platelet, its GND pin connects power supply ground.
As shown in Figure 6,3 pin of described radio-frequency module, 5 pin, 4 pin, 6 pin, 8 pin connect the RC4 pin, RC5 pin, RC3 pin, RB2 pin, the RB3 pin that connect microprocessor as SI, SO, SCLK, DGO2, DGO0 respectively, 1 pin of radio-frequency module meet power supply VCC and after capacitor filtering ground connection, its 7 pin, 9 pin and 10 pin ground connection.
As shown in Figure 7, key-press module comprises four buttons, four button one end ground connection, and the other end connects the RB4 pin of microprocessor, RB5 pin, RB6 pin, RB7 pin meet power supply VCC respectively by pull-up resistor respectively,
As shown in Figure 8, described microprocessor is also connected with dichromatic LED D3, D4, D5, D6 that four groups are used to indicate the duty of circuit, is also connected with the light emitting diode D1 that is used to indicate power work state simultaneously.Concrete connecting circuit is: the RE2 pin of microprocessor, RE1 pin is respectively by 3 pin and 1 pin that connect dichromatic LED D4 negative electrode after current-limiting resistance, the common anode pole of dichromatic LED meets power supply VCC, the RE0 pin of microprocessor, RA4 pin is respectively by 3 pin and 1 pin that connect dichromatic LED D3 negative electrode after current-limiting resistance, the common anode pole of dichromatic LED meets power supply VCC, the RD3 pin of microprocessor, RD2 pin is respectively by 3 pin and 1 pin that connect dichromatic LED D5 negative electrode after current-limiting resistance, the common anode pole of dichromatic LED meets power supply VCC, the RD1 pin of microprocessor, RD0 pin is respectively by 3 pin and 1 pin that connect dichromatic LED D6 negative electrode after current-limiting resistance, the common anode pole of dichromatic LED meets power supply VCC, be used to indicate the duty of circuit, ground connection after VCC power series current-limiting resistance R69 and light emitting diode D8, is used to indicate power work state.
This device is connected with Indoor Control Device communication, gathers room temperature by indoor set, is transferred to outdoor control device, and outdoor control device controls the switch of motor-driven valve door according to temperature conditions.When valve opened by needs, ON pin exports low, and OFF pin exports high, Q6 and Q13 conducting, and motor rotates to valve opening position; When needs valve-off, OFF pin exports low, and ON pin exports high, Q1 and Q14 conducting, motor rotates to closing direction.In addition, the two ends of motor are parallel with Antijamming protecting electric capacity C3, and other three machine operation principles are identical.

Claims (7)

1. wireless one drag four central heating valve outdoor control device, comprise microprocessor (U1), MAX487 communication module (U5), radio-frequency module, key-press module and power module, it is characterized in that: also comprise four motors (M1, M2, M3, M4),
7 pin Vdd of microprocessor connect power supply (VCC), and after filter capacitor (C11) ground connection, 6 pin Vss of microprocessor connect power supply ground, 28 pin Vdd of microprocessor connect power supply (VCC), and through filter capacitor (C12, C33) ground connection afterwards, the direct ground connection of 29 pin Vss of microprocessor, between the TlOSI pin of microprocessor and TlOSO pin, all crystal oscillating circuit is connected between OSC1 pin and OSC2 pin, the RD4 pin of microprocessor and RD5 pin, RD6 pin and RD7 pin, RA0 pin and RA1 pin, RA2 pin and RA3 are as four groups of OFF pin and ON pin, often organize between OFF pin and ON pin and be all connected with motor-drive circuit.
2. according to claim 1 wireless one drag four central heating valve outdoor control device, it is characterized in that: described motor-drive circuit is such: for motor M 1, comprise two PMOS (Q1 and Q6), two NMOS tube (Q13 and Q14), the source electrode of the first PMOS (Q1) and the drain electrode of the first NMOS tube (Q13) are connected to the M1+ pin of motor jointly, the source electrode of the second PMOS (Q6) and the drain electrode of the second NMOS tube (Q14) are connected to the M1-pin of motor jointly, the source ground of two NMOS tube, the drain electrode of two PMOS connects+5V voltage by a current-limiting resistance, the grid of the first PMOS (Q1) and the first NMOS tube (Q13) is connected to OFF1 pin jointly, the grid of the second PMOS (Q6) and the second NMOS tube (Q14) is connected to ON1 pin jointly, the two ends shunt capacitance (C3) of motor (M1), the M1+ of motor, M1-is connected to as it provides in the outlet interface (J1) of control signal, the drive circuit of other three motors in like manner.
3. according to claim 1 wireless one drag four central heating valve outdoor control device, it is characterized in that: microprocessor is also provided with outlet interface (J2), the DI pin of described MAX487 communication module (U5) and RO pin connect the PC6 pin of microprocessor respectively, PC7 pin, and connect power supply (VCC) through pull-up resistor, the RB0 pin of microprocessor connects RE-pin and the DE pin of MAX487 communication module, and connect power supply (VCC) through pull-up resistor, the VC pin of MXA48 communication module (U5) connects power supply (VCC), shunt-wound capacitance (C29) ground connection afterwards, the direct ground connection of its GND pin, series resistor (R64) and switch (J7) between its A pin and B pin, power supply (VCC) is connect after A pin connecting resistance (R65), A pin is connected with the UART_A pin of outlet interface (J2) afterwards by resistance (R67), B pin connecting resistance (R66) ground connection afterwards, B pin is connected with the UART_B pin of outlet interface (J2) by after resistance (R68) pin.
4. according to claim 1 wireless one drag four central heating valve outdoor control device, it is characterized in that: described power module comprises three electric pressure converters, the Vin pin of+24V voltage input voltage converter (J4), and after electric capacity (C39) filtering ground connection, its Out pin output voltage connects Feedback pin through inductance (L2), commutation diode (D7) is established between ON/OFF pin and Out pin, Feedback pin exports+12V voltage, ON/OFF pin and the direct ground connection of GND pin after connecing shunt capacitance filter circuit post filtering; + 12V voltage enters the Vin pin of voltage conversion chip (U2), and Vout pin exports+5V voltage and charges to rechargeable battery BT2, the GND pin ground connection of electric pressure converter (U2); + 5V voltage enters voltage conversion chip (U4) and converts 3.3V supply voltage (VCC) to after filter capacitor (C63, C27) filtering, and for powering to radio frequency platelet, its GND pin connects power supply ground.
5. according to claim 1 wireless one drag four central heating valve outdoor control device, it is characterized in that: the SI pin of described radio-frequency module socket (JP2), SO pin, SCLK pin, DGO2 pin, DGO0 pin connect RC4 pin, RC5 pin, RC3 pin, RB2 pin, the RB3 pin of microprocessor, 1 pin of radio-frequency module connect power supply (VCC) and after capacitor filtering ground connection, its 7 pin, 9 pin and 10 pin ground connection.
6. according to claim 1 wireless one drag four central heating valve outdoor control device, it is characterized in that: described key-press module comprises four buttons, four button one end ground connection, the other end connects the RB4 pin of microprocessor, RB5 pin, RB6 pin, RB7 pin connect power supply (VCC) respectively by pull-up resistor respectively.
7. according to claim 1 wireless one drag four central heating valve outdoor control device, it is characterized in that: described microprocessor is also connected with the dichromatic LED (D3, D4, D5, D6) that four groups are used to indicate the duty of circuit, be also connected with the light emitting diode (D1) that is used to indicate power work state simultaneously.
CN201420582179.1U 2013-11-28 2014-10-10 A kind of wireless one drags four central heating valve outdoor control device Expired - Fee Related CN204128059U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420582179.1U CN204128059U (en) 2013-11-28 2014-10-10 A kind of wireless one drags four central heating valve outdoor control device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201320762320 2013-11-28
CN201320762320.1 2013-11-28
CN201420582179.1U CN204128059U (en) 2013-11-28 2014-10-10 A kind of wireless one drags four central heating valve outdoor control device

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Publication Number Publication Date
CN204128059U true CN204128059U (en) 2015-01-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420582179.1U Expired - Fee Related CN204128059U (en) 2013-11-28 2014-10-10 A kind of wireless one drags four central heating valve outdoor control device

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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