CN106647487A - Wireless indoor fan coil control system - Google Patents
Wireless indoor fan coil control system Download PDFInfo
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- CN106647487A CN106647487A CN201611161423.7A CN201611161423A CN106647487A CN 106647487 A CN106647487 A CN 106647487A CN 201611161423 A CN201611161423 A CN 201611161423A CN 106647487 A CN106647487 A CN 106647487A
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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
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21014—Interface, module with relays
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Abstract
The invention discloses a wireless indoor fan coil control system comprising a microprocessor control circuit, an indoor temperature acquisition circuit, a wireless communication circuit, a coil fan control circuit, a power supply circuit and a man-machine interaction module; the indoor temperature acquisition circuit output end is connected with a temperature data input end of the microprocessor control circuit; a fan signal input end of the microprocessor control circuit is connected with a data transceiver end of the wireless communication circuit; a remote data transceiver end of the wireless communication circuit is wireless connected with a host; the coil fan data input end of the microprocessor control circuit is connected with the output end of the coil fan control circuit; the power supply circuit and the man-machine interaction module are respectively connected with the microprocessor control circuit.
Description
Technical field
The present invention relates to a kind of wireless indoor fan coil control system.
Background technology
Wireless indoor fan coil control system, by controlling indoor fan coil pipe air mass flow indoor temperature is adjusted.
Adopt RS485 bus marcos more traditional indoor fan coil pipe control device, need to lay mass communication line, increased difficulty of construction
And maintenance cost.The 3.3V power supplys that control system is adopted typically obtain 12V DC voltages using the filtering of 220V Transformer Rectifiers,
To direct current 12V it is latter as adopt DC-DC power source chip, 3.3V voltages that voltage is directly lowered the temperature.Though so allow relatively simple for structure,
But the 3.3V voltage ripples for obtaining easily cause measurement error than larger, are not suitable for accurate measurement circuit.
The content of the invention
It is an object of the invention to provide a kind of wireless indoor fan coil control system, including microprocessor control circuit,
Indoor temperature acquisition circuit, radio communication circuit, coiler fan control circuit, power circuit, human-computer interaction module, indoor temperature
The outfan of Acquisition Circuit is connected with the temperature data input of microprocessor control circuit, the blower fan of microprocessor control circuit
Signal input part is connected with the data transmit-receive end of radio communication circuit, the teledata sending and receiving end of radio communication circuit and host computer
Wireless connection；The coiler fan data input pin of microprocessor control circuit is connected with the outfan of coiler fan control circuit；
Power circuit, human-computer interaction module are connected respectively with microprocessor control circuit.
Further, microprocessor control circuit includes singlechip chip U4, the pin 1 of singlechip chip U4, pin 9,
The output voltage of external power supply circuit after pin 24, pin 36, the connection of pin 48；The pin 5 of singlechip chip U4 and crystal oscillator core
One end connection of one end of piece Y3 and electric capacity C36, the other end ground connection of electric capacity C36, the pin 6 of singlechip chip U4 respectively with crystalline substance
Shake chip Y3 the other end and electric capacity C37 one end connection, electric capacity C37 the other end ground connection；7 points of the pin of singlechip chip U4
It is not connected with one end of electric capacity C34 and one end of resistance R3, the other end ground connection of electric capacity C34, the external electricity of the other end of resistance R3
The output voltage of source circuit；The pin 44 of singlechip chip U4 is connected with one end of resistance R4, the pin 20 of singlechip chip U4
It is connected with one end of resistance R5, the other end of resistance R4 is grounded after being connected with the other end of resistance R5.
Further, indoor temperature acquisition circuit includes humiture collection chip U6, the pin 1 of humiture collection chip U6
It is connected with the pin 15 of singlechip chip U4, the pin 2 of humiture collection chip U6 is grounded, the pin of humiture collection chip U6
The output voltage of 5 external power supply circuits, pin 5 is connected Jing after resistance R10 with pin 1, and pin 5 connects Jing after resistance R11 with pin 6
Connect, the pin 6 of humidity collection chip U6 is connected with the pin 16 of singlechip chip U4.
Further, radio communication circuit includes zigbee communication chip U2, the pin 1 of zigbee communication chip U2, draws
Foot 2, pin 3, pin 4 are grounded after connecting, and the pin 16 of zigbee communication chip U2 is connected with the pin 31 of singlechip chip U4,
The pin 17 of zigbee communication chip U2 is connected with the pin 30 of singlechip chip U4, the Jing of pin 20 of zigbee communication chip U2
Resistance R1 is followed by the output voltage of power circuit, and resistance R1 is grounded after connecting with electric capacity C32, the pin of zigbee communication chip U2
10 be connected with one end of electric capacity C1 after external power supply circuit output voltage, electric capacity C1 the other end ground connection；Pin 21 and electric capacity
The output voltage of external power supply circuit after one end connection of C2, the other end ground connection of electric capacity C2；After pin 24 is connected with pin 27
It is connected with one end of electric capacity C3, the other end ground connection of electric capacity C3, pin 28 is connected after being connected with pin 29 with one end of electric capacity C4,
The other end ground connection of electric capacity C4；Pin 31 is connected with one end of electric capacity C5, the other end ground connection of electric capacity C5；Pin 39 and electric capacity C6
One end connection after external power supply circuit output voltage, electric capacity C6 the other end ground connection；
The pin 25 of zigbee communication chip U2 is connected with one end of electric capacity C14, and electric capacity C14 connects with inductance L1 and is followed by
Ground, the pin 26 of zigbee communication chip U2 is connected with one end of electric capacity C21, and electric capacity C21 is grounded after connecting with electric capacity C16, electricity
Hold C14 the other end connect with electric capacity C15 after external antenna, the other end of electric capacity C21 concatenate with inductance L3 after external antenna；
The pin 32 of zigbee communication chip U2 is connected with the pin 1 of crystal oscillator chip Y1, after pin 32 is connected with electric capacity C29
Ground connection, the pin 33 of zigbee communication chip U2 is connected with the pin 2 of crystal oscillator chip Y1, and pin 33 is connected with electric capacity C28 and is followed by
Ground；
The pin 22 of zigbee communication chip U2 is connected with the pin 1 of crystal oscillator chip Y2, after pin 32 is connected with electric capacity C31
Ground connection, the pin 23 of zigbee communication chip U2 is connected with the pin 2 of crystal oscillator chip Y2, and pin 13 is connected with electric capacity C30 and is followed by
Ground；
The pin 30 of zigbee communication chip U2 is grounded after being connected with resistance R2, the pin 40 of zigbee communication chip U2 with
It is grounded after electric capacity C33 connections.
Further, power circuit includes transformator, rectifier bridge, filter circuit, 12V-5V voltage conversion chips U1,5V-
3V voltage conversion circuit U3, the input of transformator is connected with 220V voltages, rectifier bridge include diode D1, diode D2, two
Pole pipe D3, diode D4, the outfan 8 of transformator be connected with fuse F1 after anode, diode D3 respectively with diode D1
Negative electrode connection, the outfan 6 of rectifier bridge is connected respectively with the anode of diode D2 and the negative electrode of diode D4, diode D1's
Negative electrode is connected with the pin 1 of 12V-5V voltage conversion chips U1, anode and 12V-5V voltage conversion chips U1 of diode D4
Pin 2 connects, the pin 3 of 12V-5V voltage conversion chips U1 output 5V voltages, the pin 3 of 5V-3V voltage conversion circuit U3 with
The pin 3 of 12V-5V voltage conversion chips U1 connects, and pin 3 is grounded after being connected with electric capacity C19, and electric capacity C19 and electric capacity C17 is simultaneously
Connection, the pin 1 of 5V-3V voltage conversion circuit U3 is grounded, and the pin 2 of 5V-3V voltage conversion circuit U3 is exported after being connected with pin 4
3.3V voltages, the pin 4 of 5V-3V voltage conversion circuit U3 is grounded after being connected with electric capacity C18, and electric capacity C18 is in parallel with electric capacity C20.
Further, human-computer interaction module includes display circuit and button inputting circuits, and display circuit includes 12864 liquid crystal
Screen U5, the pin 1 of 12864 liquid crystal display screen U5 is connected with the pin 39 of singlechip chip U4, pin 2 and the list of 12864 liquid crystal display screen U5
The pin 40 of piece movement piece U4 connects, and the pin 3 of 12864 liquid crystal display screen U5 is connected with the pin 41 of singlechip chip U4,12864 liquid
The pin 12 of crystalline substance screen U5 is connected with the pin 42 of singlechip chip U4, pin 13 and the singlechip chip U4 of 12864 liquid crystal display screen U5
Pin 43 connect, the output voltage of the external power supply circuit of pin 14 of 12864 liquid crystal display screen U5, the pin of 12864 liquid crystal display screen U5
15 ground connection, the pin 16 of 12864 liquid crystal display screen U5 is connected after being connected with electric capacity C40 with the pin 17 of 12864 liquid crystal display screen U5, and 12864
The pin 18 of liquid crystal display screen U5 is connected after being connected with electric capacity C41 with the pin 19 of 12864 liquid crystal display screen U5, and 12864 liquid crystal display screen U5's draws
Foot 20 is grounded, and the Jing resistance R9 of pin 21 of 12864 liquid crystal display screen U5 is connected with the pin 2 of audion Q1, outside the pin 3 of audion Q1
The output voltage of power circuit is connect, the Jing resistance R7 of pin 1 of audion Q1 is connected with the pin 45 of singlechip chip U4,12864
The pin 22 of liquid crystal display screen U5 is grounded；
Button inputting circuits include button K1, button K2, button K3, button K4, button K5, button K6, button K7, button
K8, button K9, button K10, button K11, button K12,1 end and 2 ends of button K1,1 end of button K2 and 2 ends, the 1 of button K3
It is connected with the pin 25 of main control singlechip U4 after end and the connection of 2 ends；1 end and 2 ends of button K4,1 end of button K5 and 2 ends, press
It is connected with the pin 26 of main control singlechip U4 after 1 end of key K6 and the connection of 2 ends；1 end of button K7 and 1 end and 2 of 2, button K8
It is connected with the pin 27 of main control singlechip U4 after the connection of end, 1 end of button K9 and 2 ends；1 end and 2 ends of button K10, button K11
1 end and 2 ends, 1 end of button K12 and 2 ends connection after be connected with the pin 28 of main control singlechip U4；3 ends of button K1 and 4
It is connected with the anode of diode D6 after end, 3 ends of button K8 and 4 ends, 3 ends of button K11 and the connection of 4 ends, the moon of diode D6
Pole is grounded after being connected with electric capacity C43；3 ends and 4 ends of button K4,3 ends of button K7 and 4 ends, 3 ends of button K10 and the connection of 4 ends
It is connected with the anode of diode D5 afterwards, the negative electrode of diode D5 is grounded after being connected with electric capacity C42；3 ends and 4 ends of button K2, press
Be connected with the anode of diode D7 after 3 ends and 4 ends of key K5,3 ends of button K12 and the connection of 4 ends, the negative electrode of diode D7 with it is electric
Hold and be grounded after C45 connections；With two after 3 ends and 4 ends of button K3,3 ends of button K6 and 4 ends, 3 ends of button K9 and the connection of 4 ends
The anode connection of pole pipe D8, the negative electrode of diode D8 is grounded after being connected with electric capacity C46.
Further, circuit for controlling motor includes interface chip U26, relay, the pin 6 of interface chip U26, pin 7,
The pin 12 successively with singlechip chip U4 of pin 8, pin 13, pin 14 are connected, the pin 11 of interface chip U26 and relay
The 2 ends connection of the coil of G3, the external 5V voltages in 1 end of the coil of relay G3；3 ends of the normally opened contact of relay G3 and interface
The pin 8 of chip J2 connects, and 4 ends of the normally opened contact of relay G3 are connected with 220V zero lines；
The pin 12 of interface chip U26 is connected with 2 ends of the coil of relay G2, and 1 end of the coil of relay G2 is external
5V voltages；3 ends of the normally opened contact of relay G2 are connected with the pin 7 of interface chip J2,4 ends of the normally opened contact of relay G2
It is connected with 220V zero lines；
The pin 13 of interface chip U26 is connected with 2 ends of the coil of relay G1, and 1 end of the coil of relay G1 is external
5V voltages；3 ends of the normally opened contact of relay G1 are connected with the pin 6 of interface chip J2,4 ends of the normally opened contact of relay G1
It is connected with 220V zero lines.
The invention has the beneficial effects as follows,
1st, indoor fan coil pipe control system adopts ZigBee wireless communication technologys, realizes wireless and serial ports UART transparent transmission work(
Energy.CC2530 receives the wireless signal sent from fan unit pipe end and sends to host computer, and host computer is sent by CC2530
Data realize the remote wireless control to fan coil to fan unit mouth receiving terminal.Efficiently solve in traditional design and adopt
RS485 communications need to lay difficulty of construction caused by mass communication cable.
2nd, further reduce handing in straight electricity conversion process using being further added by by the way of primary power source conversion in power circuit
Power supply ripple.First with chip 7805 12V unidirectional currents are switched to into 5V unidirectional currents when 12V direct currents are obtained, then using LDO chips
5V power supplys are switched to ASM1117-3.3 the 3.3V power supplys of equipment needs.ASM1117-3.3 is linear stabilized power supply, with extremely low
Own noise and higher PSRR PSRR, can effectively reduce the ripple of output voltage.
Description of the drawings
Fig. 1 is wireless indoor fan coil control system schematic diagram；
Fig. 2 is microprocessor controls circuit diagram；
Fig. 3 is indoor temperature acquisition circuit figure；
Fig. 4 is radio communication circuit figure；
Fig. 5 is power circuit diagram；
Fig. 6 is display circuit figure；
Fig. 7 is button inputting circuits figure；
Fig. 8 is coiler fan control circuit.
Specific embodiment
As shown in figure 1, a kind of wireless indoor fan coil control system, including microprocessor control circuit, indoor temperature
Acquisition Circuit, radio communication circuit, coiler fan control circuit, power circuit, human-computer interaction module, indoor temperature acquisition circuit
Outfan be connected with the temperature data input of microprocessor control circuit, the blower fan signal input of microprocessor control circuit
End is connected with the data transmit-receive end of radio communication circuit, and teledata sending and receiving end and the host computer of radio communication circuit wirelessly connect
Connect；The coiler fan data input pin of microprocessor control circuit is connected with the outfan of coiler fan control circuit；Power supply electricity
Road, human-computer interaction module are connected respectively with microprocessor control circuit.
As shown in Fig. 2 microprocessor control circuit includes singlechip chip U4, the pin 1 of singlechip chip U4, pin 9,
The output voltage of external power supply circuit after pin 24, pin 36, the connection of pin 48；The pin 5 of singlechip chip U4 and crystal oscillator core
One end connection of one end of piece Y3 and electric capacity C36, the other end ground connection of electric capacity C36, the pin 6 of singlechip chip U4 respectively with crystalline substance
Shake chip Y3 the other end and electric capacity C37 one end connection, electric capacity C37 the other end ground connection；7 points of the pin of singlechip chip U4
It is not connected with one end of electric capacity C34 and one end of resistance R3, the other end ground connection of electric capacity C34, the external electricity of the other end of resistance R3
The output voltage of source circuit；The pin 44 of singlechip chip U4 is connected with one end of resistance R4, the pin 20 of singlechip chip U4
It is connected with one end of resistance R5, the other end of resistance R4 is grounded after being connected with the other end of resistance R5.
As shown in figure 3, indoor temperature acquisition circuit includes humiture collection chip U6, the pin of humiture collection chip U6
1 is connected with the pin 15 of singlechip chip U4, and the pin 2 of humiture collection chip U6 is grounded, and humiture collection chip U6's draws
The output voltage of the external power supply circuit of foot 5, pin 5 is connected Jing after resistance R10 with pin 1, pin 5 Jing after resistance R11 with pin 6
Connection, the pin 6 of humidity collection chip U6 is connected with the pin 16 of singlechip chip U4.
As shown in figure 4, radio communication circuit includes zigbee communication chip U2, the pin 1 of zigbee communication chip U2, draw
Foot 2, pin 3, pin 4 are grounded after connecting, and the pin 16 of zigbee communication chip U2 is connected with the pin 31 of singlechip chip U4,
The pin 17 of zigbee communication chip U2 is connected with the pin 30 of singlechip chip U4, the Jing of pin 20 of zigbee communication chip U2
Resistance R1 is followed by the output voltage of power circuit, and resistance R1 is grounded after connecting with electric capacity C32, the pin of zigbee communication chip U2
10 be connected with one end of electric capacity C1 after external power supply circuit output voltage, electric capacity C1 the other end ground connection；Pin 21 and electric capacity
The output voltage of external power supply circuit after one end connection of C2, the other end ground connection of electric capacity C2；After pin 24 is connected with pin 27
It is connected with one end of electric capacity C3, the other end ground connection of electric capacity C3, pin 28 is connected after being connected with pin 29 with one end of electric capacity C4,
The other end ground connection of electric capacity C4；Pin 31 is connected with one end of electric capacity C5, the other end ground connection of electric capacity C5；Pin 39 and electric capacity C6
One end connection after external power supply circuit output voltage, electric capacity C6 the other end ground connection；
The pin 25 of zigbee communication chip U2 is connected with one end of electric capacity C14, and electric capacity C14 connects with inductance L1 and is followed by
Ground, the pin 26 of zigbee communication chip U2 is connected with one end of electric capacity C21, and electric capacity C21 is grounded after connecting with electric capacity C16, electricity
Hold C14 the other end connect with electric capacity C15 after external antenna, the other end of electric capacity C21 concatenate with inductance L3 after external antenna；
The pin 32 of zigbee communication chip U2 is connected with the pin 1 of crystal oscillator chip Y1, after pin 32 is connected with electric capacity C29
Ground connection, the pin 33 of zigbee communication chip U2 is connected with the pin 2 of crystal oscillator chip Y1, and pin 33 is connected with electric capacity C28 and is followed by
Ground；
The pin 22 of zigbee communication chip U2 is connected with the pin 1 of crystal oscillator chip Y2, after pin 32 is connected with electric capacity C31
Ground connection, the pin 23 of zigbee communication chip U2 is connected with the pin 2 of crystal oscillator chip Y2, and pin 13 is connected with electric capacity C30 and is followed by
Ground；
The pin 30 of zigbee communication chip U2 is grounded after being connected with resistance R2, the pin 40 of zigbee communication chip U2 with
It is grounded after electric capacity C33 connections.
As shown in figure 5, power circuit includes transformator, rectifier bridge, filter circuit, 12V-5V voltage conversion chips U1,5V-
3V voltage conversion circuit U3, the input of transformator is connected with 220V voltages, rectifier bridge include diode D1, diode D2, two
Pole pipe D3, diode D4, the outfan 8 of transformator be connected with fuse F1 after anode, diode D3 respectively with diode D1
Negative electrode connection, the outfan 6 of rectifier bridge is connected respectively with the anode of diode D2 and the negative electrode of diode D4, diode D1's
Negative electrode is connected with the pin 1 of 12V-5V voltage conversion chips U1, anode and 12V-5V voltage conversion chips U1 of diode D4
Pin 2 connects, the pin 3 of 12V-5V voltage conversion chips U1 output 5V voltages, the pin 3 of 5V-3V voltage conversion circuit U3 with
The pin 3 of 12V-5V voltage conversion chips U1 connects, and pin 3 is grounded after being connected with electric capacity C19, and electric capacity C19 and electric capacity C17 is simultaneously
Connection, the pin 1 of 5V-3V voltage conversion circuit U3 is grounded, and the pin 2 of 5V-3V voltage conversion circuit U3 is exported after being connected with pin 4
3.3V voltages, the pin 4 of 5V-3V voltage conversion circuit U3 is grounded after being connected with electric capacity C18, and electric capacity C18 is in parallel with electric capacity C20.
As shown in fig. 6, human-computer interaction module includes display circuit and button inputting circuits, display circuit includes 12864 liquid
Crystalline substance screen U5, the pin 1 of 12864 liquid crystal display screen U5 is connected with the pin 39 of singlechip chip U4, the pin 2 of 12864 liquid crystal display screen U5 and
The pin 40 of singlechip chip U4 connects, and the pin 3 of 12864 liquid crystal display screen U5 is connected with the pin 41 of singlechip chip U4, and 12864
The pin 12 of liquid crystal display screen U5 is connected with the pin 42 of singlechip chip U4, the pin 13 and singlechip chip of 12864 liquid crystal display screen U5
The pin 43 of U4 connects, the output voltage of the external power supply circuit of pin 14 of 12864 liquid crystal display screen U5, and 12864 liquid crystal display screen U5's draws
Foot 15 is grounded, and the pin 16 of 12864 liquid crystal display screen U5 is connected after being connected with electric capacity C40 with the pin 17 of 12864 liquid crystal display screen U5,
The pin 18 of 12864 liquid crystal display screen U5 is connected after being connected with electric capacity C41 with the pin 19 of 12864 liquid crystal display screen U5,12864 liquid crystal display screen U5
Pin 20 be grounded, the Jing resistance R9 of pin 21 of 12864 liquid crystal display screen U5 is connected with the pin 2 of audion Q1, and audion Q1's draws
The output voltage of the external power supply circuit of foot 3, the Jing resistance R7 of pin 1 of audion Q1 is connected with the pin 45 of singlechip chip U4,
The pin 22 of 12864 liquid crystal display screen U5 is grounded.
As shown in fig. 7, button inputting circuits include button K1, button K2, button K3, button K4, button K5, button K6,
Button K7, button K8, button K9, button K10, button K11, button K12,1 end and 2 ends of button K1,1 end and 2 of button K2
It is connected with the pin 25 of main control singlechip U4 after the connection of end, 1 end of button K3 and 2 ends；1 end and 2 ends of button K4, button K5
It is connected with the pin 26 of main control singlechip U4 after 1 end and the connection of 2 ends, 1 end of button K6 and 2 ends；1 end of button K7 and 2, button
It is connected with the pin 27 of main control singlechip U4 after 1 end and 2 ends of K8,1 end of button K9 and the connection of 2 ends；1 end of button K10 and 2
It is connected with the pin 28 of main control singlechip U4 after end, 1 end of button K11 and 2 ends, 1 end of button K12 and the connection of 2 ends；Button K1
3 ends and 4 ends, 3 ends of button K8 and 4 ends, 3 ends of button K11 and 4 ends connection after be connected with the anode of diode D6, two poles
The negative electrode of pipe D6 is grounded after being connected with electric capacity C43；3 ends and 4 ends of button K4,3 ends of button K7 and 4 ends, 3 ends of button K10
It is connected with the anode of diode D5 after connecting with 4 ends, the negative electrode of diode D5 is grounded after being connected with electric capacity C42；3 ends of button K2
It is connected with the anode of diode D7 after connecting with 4 ends, 3 ends of button K5 and 4 ends, 3 ends of button K12 and 4 ends, diode D7's
Negative electrode is grounded after being connected with electric capacity C45；3 ends and 4 ends of button K3,3 ends of button K6 and 4 ends, 3 ends of button K9 and 4 ends connect
It is connected with the anode of diode D8 after connecing, the negative electrode of diode D8 is grounded after being connected with electric capacity C46.Concrete KEY_PIN state tables
Information is as shown in table 1.
Table 1KEY_PIN state tables
As shown in figure 8, circuit for controlling motor includes interface chip U26, relay, the pin 6, pin of interface chip U26
7th, the pin 12 successively with singlechip chip U4 of pin 8, pin 13, pin 14 are connected, the pin 11 of interface chip U26 and relay
The 2 ends connection of the coil of device G3, the external 5V voltages in 1 end of the coil of relay G3；3 ends of the normally opened contact of relay G3 with connect
The pin 8 of mouth chip J2 connects, and 4 ends of the normally opened contact of relay G3 are connected with 220V zero lines；
The pin 12 of interface chip U26 is connected with 2 ends of the coil of relay G2, and 1 end of the coil of relay G2 is external
5V voltages；3 ends of the normally opened contact of relay G2 are connected with the pin 7 of interface chip J2,4 ends of the normally opened contact of relay G2
It is connected with 220V zero lines；
The pin 13 of interface chip U26 is connected with 2 ends of the coil of relay G1, and 1 end of the coil of relay G1 is external
5V voltages；3 ends of the normally opened contact of relay G1 are connected with the pin 6 of interface chip J2,4 ends of the normally opened contact of relay G1
It is connected with 220V zero lines.
Although the above-mentioned accompanying drawing that combines is described to the specific embodiment of the present invention, not to present invention protection model
The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.
Claims (7)
1. a kind of wireless indoor fan coil control system, is wirelessly connected with host computer, it is characterised in that including microprocessor control
Circuit processed, indoor temperature acquisition circuit, radio communication circuit, coiler fan control circuit, power circuit, human-computer interaction module,
The outfan of indoor temperature acquisition circuit is connected with the temperature data input of microprocessor control circuit, microprocessor control electricity
The blower fan signal input part on road is connected with the data transmit-receive end of radio communication circuit, the teledata sending and receiving end of radio communication circuit
Wirelessly it is connected with host computer；The coiler fan data input pin of microprocessor control circuit and the output of coiler fan control circuit
End connection；Power circuit, human-computer interaction module are connected respectively with microprocessor control circuit.
2. a kind of wireless indoor fan coil control system as claimed in claim 1, it is characterised in that microprocessor control electricity
Road includes singlechip chip U4, external electricity after pin 1, pin 9, pin 24, pin 36, the connection of pin 48 of singlechip chip U4
The output voltage of source circuit；The pin 5 of singlechip chip U4 is connected with one end of one end of crystal oscillator chip Y3 and electric capacity C36, electricity
Hold the other end ground connection of C36, the pin 6 of the singlechip chip U4 other end respectively with crystal oscillator chip Y3 and one end of electric capacity C37
Connection, the other end ground connection of electric capacity C37；The pin 7 of singlechip chip U4 respectively with one end and one end of resistance R3 of electric capacity C34
Connection, the other end ground connection of electric capacity C34, the output voltage of the other end external power supply circuit of resistance R3；Singlechip chip U4's
Pin 44 is connected with one end of resistance R4, and the pin 20 of singlechip chip U4 is connected with one end of resistance R5, and resistance R4's is another
End is grounded after being connected with the other end of resistance R5.
3. a kind of wireless indoor fan coil control system as claimed in claim 2, it is characterised in that indoor temperature collection electricity
Road includes humiture collection chip U6, and the pin 1 of humiture collection chip U6 is connected with the pin 15 of singlechip chip U4, warm and humid
The pin 2 of degree acquisition chip U6 is grounded, the output voltage of the external power supply circuit of pin 5 of humiture collection chip U6, the Jing of pin 5
It is connected with pin 1 after resistance R10, pin 5 is connected Jing after resistance R11 with pin 6, the pin 6 and monolithic of humidity collection chip U6
The pin 16 of movement piece U4 connects.
4. a kind of wireless indoor fan coil control system as claimed in claim 2, it is characterised in that radio communication circuit bag
Zigbee communication chip U2 are included, the pin 1 of zigbee communication chip U2, pin 2, pin 3, pin 4 are grounded after connecting, zigbee
The pin 16 of communication chip U2 is connected with the pin 31 of singlechip chip U4, the pin 17 and single-chip microcomputer of zigbee communication chip U2
The pin 30 of chip U4 connects, and the Jing resistance R1 of pin 20 of zigbee communication chip U2 are followed by the output voltage of power circuit, electricity
Resistance R1 connect with electric capacity C32 after ground connection, the pin 10 of zigbee communication chip U2 be connected with one end of electric capacity C1 after external power supply
The output voltage of circuit, the other end ground connection of electric capacity C1；Pin 21 be connected with one end of electric capacity C2 after external power supply circuit it is defeated
Go out voltage, the other end ground connection of electric capacity C2；Pin 24 is connected after being connected with pin 27 with one end of electric capacity C3, and electric capacity C3's is another
End ground connection, pin 28 is connected after being connected with pin 29 with one end of electric capacity C4, the other end ground connection of electric capacity C4；Pin 31 and electric capacity
One end connection of C5, the other end ground connection of electric capacity C5；Pin 39 be connected with one end of electric capacity C6 after external power supply circuit output
Voltage, the other end ground connection of electric capacity C6；
The pin 25 of zigbee communication chip U2 is connected with one end of electric capacity C14, and electric capacity C14 is grounded after connecting with inductance L1,
The pin 26 of zigbee communication chip U2 is connected with one end of electric capacity C21, and electric capacity C21 is grounded after connecting with electric capacity C16, electric capacity
The other end of C14 connect with electric capacity C15 after external antenna, the other end of electric capacity C21 concatenate with inductance L3 after external antenna；
The pin 32 of zigbee communication chip U2 is connected with the pin 1 of crystal oscillator chip Y1, and pin 32 is connected with electric capacity C29 and is followed by
Ground, the pin 33 of zigbee communication chip U2 is connected with the pin 2 of crystal oscillator chip Y1, and pin 33 is grounded after being connected with electric capacity C28；
The pin 22 of zigbee communication chip U2 is connected with the pin 1 of crystal oscillator chip Y2, and pin 32 is connected with electric capacity C31 and is followed by
Ground, the pin 23 of zigbee communication chip U2 is connected with the pin 2 of crystal oscillator chip Y2, and pin 13 is grounded after being connected with electric capacity C30；
The pin 30 of zigbee communication chip U2 is grounded after being connected with resistance R2, the pin 40 and electric capacity of zigbee communication chip U2
It is grounded after C33 connections.
5. a kind of wireless indoor fan coil control system as claimed in claim 1, it is characterised in that power circuit includes becoming
Depressor, rectifier bridge, filter circuit, 12V-5V voltage conversion chip U1,5V-3V voltage conversion circuit U3, the input of transformator
It is connected with 220V voltages, rectifier bridge includes diode D1, diode D2, diode D3, diode D4, the outfan 8 of transformator
Anode, the negative electrode of diode D3 after being connected with fuse F1 respectively with diode D1 is connected, the outfan 6 of rectifier bridge respectively with
The anode of diode D2 and the negative electrode connection of diode D4, the negative electrode of diode D1 and the pin of 12V-5V voltage conversion chips U1
1 connection, the anode of diode D4 is connected with the pin 2 of 12V-5V voltage conversion chips U1,12V-5V voltage conversion chips U1
Pin 3 exports 5V voltages, and the pin 3 of 5V-3V voltage conversion circuit U3 is connected with the pin 3 of 12V-5V voltage conversion chips U1,
Pin 3 is grounded after being connected with electric capacity C19, and electric capacity C19 is in parallel with electric capacity C17, and the pin 1 of 5V-3V voltage conversion circuit U3 is grounded,
The pin 2 of 5V-3V voltage conversion circuit U3 exports 3.3V voltages, the pin of 5V-3V voltage conversion circuit U3 after being connected with pin 4
4 be connected with electric capacity C18 after be grounded, electric capacity C18 is in parallel with electric capacity C20.
6. a kind of wireless indoor fan coil control system as claimed in claim 2, it is characterised in that human-computer interaction module bag
Display circuit and button inputting circuits are included, display circuit includes 12864 liquid crystal display screen U5, the pin 1 and monolithic of 12864 liquid crystal display screen U5
The pin 39 of movement piece U4 connects, and the pin 2 of 12864 liquid crystal display screen U5 is connected with the pin 40 of singlechip chip U4,12864 liquid crystal
The pin 3 of screen U5 is connected with the pin 41 of singlechip chip U4,12864 pins 12 of liquid crystal display screen U5 and drawing for singlechip chip U4
Foot 42 connects, and the pin 13 of 12864 liquid crystal display screen U5 is connected with the pin 43 of singlechip chip U4, the pin of 12864 liquid crystal display screen U5
The output voltage of 14 external power supply circuits, the pin 15 of 12864 liquid crystal display screen U5 is grounded, pin 16 and the electricity of 12864 liquid crystal display screen U5
Hold C40 connection after be connected with the pin 17 of 12864 liquid crystal display screen U5, the pin 18 of 12864 liquid crystal display screen U5 be connected with electric capacity C41 after and
The pin 19 of 12864 liquid crystal display screen U5 connects, and the pin 20 of 12864 liquid crystal display screen U5 is grounded, and the Jing of pin 21 of 12864 liquid crystal display screen U5 is electric
Resistance R9 is connected with the pin 2 of audion Q1, the output voltage of the external power supply circuit of pin 3 of audion Q1, and audion Q1's draws
The Jing resistance R7 of foot 1 is connected with the pin 45 of singlechip chip U4, and the pin 22 of 12864 liquid crystal display screen U5 is grounded；
Button inputting circuits include button K1, button K2, button K3, button K4, button K5, button K6, button K7, button K8,
Button K9, button K10, button K11, button K12,1 end and 2 ends of button K1,1 end of button K2 and 2 ends, 1 end of button K3
It is connected with the pin 25 of main control singlechip U4 after connecting with 2 ends；1 end and 2 ends of button K4,1 end of button K5 and 2 ends, button
It is connected with the pin 26 of main control singlechip U4 after 1 end of K6 and the connection of 2 ends；1 end and 2 ends of 1 end of button K7 and 2, button K8,
It is connected with the pin 27 of main control singlechip U4 after 1 end of button K9 and the connection of 2 ends；1 end and 2 ends of button K10, the 1 of button K11
It is connected with the pin 28 of main control singlechip U4 after end and the connection of 2 ends, 1 end of button K12 and 2 ends；3 ends and 4 ends of button K1, press
Be connected with the anode of diode D6 after 3 ends and 4 ends of key K8,3 ends of button K11 and the connection of 4 ends, the negative electrode of diode D6 with it is electric
Hold and be grounded after C43 connections；With two after 3 ends and 4 ends of button K4,3 ends of button K7 and 4 ends, 3 ends of button K10 and the connection of 4 ends
The anode connection of pole pipe D5, the negative electrode of diode D5 is grounded after being connected with electric capacity C42；3 ends and 4 ends of button K2, the 3 of button K5
It is connected with the anode of diode D7 after end and the connection of 4 ends, 3 ends of button K12 and 4 ends, negative electrode and the electric capacity C45 of diode D7 connect
It is grounded after connecing；With diode D8's after 3 ends and 4 ends of button K3,3 ends of button K6 and 4 ends, 3 ends of button K9 and the connection of 4 ends
Anode connects, and the negative electrode of diode D8 is grounded after being connected with electric capacity C46.
7. a kind of wireless indoor fan coil control system as claimed in claim 2, it is characterised in that circuit for controlling motor bag
Include interface chip U26, relay, pin 6, pin 7, the pin 8 of interface chip U26 successively with the pin of singlechip chip U4
12nd, pin 13, pin 14 connect, and the pin 11 of interface chip U26 is connected with 2 ends of the coil of relay G3, relay G3's
The external 5V voltages in 1 end of coil；3 ends of the normally opened contact of relay G3 are connected with the pin 8 of interface chip J2, relay G3's
4 ends of normally opened contact are connected with 220V zero lines；
The pin 12 of interface chip U26 is connected with 2 ends of the coil of relay G2, and the external 5V in 1 end of the coil of relay G2 is electric
Pressure；3 ends of the normally opened contact of relay G2 are connected with the pin 7 of interface chip J2,4 ends of the normally opened contact of relay G2 with
220V zero lines connect；
The pin 13 of interface chip U26 is connected with 2 ends of the coil of relay G1, and the external 5V in 1 end of the coil of relay G1 is electric
Pressure；3 ends of the normally opened contact of relay G1 are connected with the pin 6 of interface chip J2,4 ends of the normally opened contact of relay G1 with
220V zero lines connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161423.7A CN106647487A (en) | 2016-12-15 | 2016-12-15 | Wireless indoor fan coil control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161423.7A CN106647487A (en) | 2016-12-15 | 2016-12-15 | Wireless indoor fan coil control system |
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| Publication Number | Publication Date |
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| CN106647487A true CN106647487A (en) | 2017-05-10 |
Family
ID=58823791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611161423.7A Pending CN106647487A (en) | 2016-12-15 | 2016-12-15 | Wireless indoor fan coil control system |
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| CN (1) | CN106647487A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109209966A (en) * | 2018-09-17 | 2019-01-15 | 大族激光科技产业集团股份有限公司 | A kind of constant-current system and method for blower |
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