CN101749832B - Central air-conditioning controller - Google Patents
Central air-conditioning controller Download PDFInfo
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- CN101749832B CN101749832B CN2010100194102A CN201010019410A CN101749832B CN 101749832 B CN101749832 B CN 101749832B CN 2010100194102 A CN2010100194102 A CN 2010100194102A CN 201010019410 A CN201010019410 A CN 201010019410A CN 101749832 B CN101749832 B CN 101749832B
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Abstract
The invention relates to a central air-conditioning controller, which comprises a main processor, a dial switch and key circuit, a 485 communication bus, a display circuit, a reset circuit, a rectifier switch power supply, an on-line upgrading circuit, a simulative serial port circuit, an electronic expansion valve drive circuit, a temperature and pressure acquisition circuit, a fault feedback circuit and a PWM and relay input circuit. The type of the main processor is MB96F356. The dial switch and key circuit, the 485 communication bus, the display circuit, the reset circuit, the rectifier switch power supply, the on-line upgrading circuit, the simulative serial port circuit, the electronic expansion valve drive circuit, the temperature and pressure acquisition circuit, the fault feedback circuit and the PWM and relay input circuit are all connected with the main processor. The central air-conditioning controller has the characteristics of multifunction, high efficiency and intellectualization.
Description
Technical field
The present invention relates to the controller technology field, particularly relate to a kind of aircondition controller.
Background technology
Along with the progress of science and technology, the raising of people's living standard, central air-conditioning has obtained using widely.The performance of central air-conditioning is directly related with the performance quality of its controller that is adopted, and therefore, the performance need of aircondition controller constantly improves and upgrading.In recent years; Air conditioner controlling technology has obtained continuous development; Particularly along with microprocessor, new Refrigeration Technique and the application of new material; Need corresponding have multi-functional, high efficiency, intelligentized air-conditioner control system, therefore, provide a kind of and have multi-functional, high efficiency intelligent aircondition controller and become demands of social development.
Summary of the invention
The objective of the invention is to avoid the weak point of prior art and a kind of multi-functional, high efficiency aircondition controller that has is provided.
The object of the invention is realized through following technical measures:
A kind of aircondition controller; Comprise total processor, toggle switch and key circuit, 485 communication buses, display circuit, reset circuit, rectifier switch power supply, online upgrading circuit, simulative serial port circuit, electronic expansion valve-driving circuit, temperature, pressure Acquisition Circuit, fault feedback circuit and PWM and relay input circuit; The model of said total processor is MB96F356; Said toggle switch is connected with said total processor with key circuit, and said 485 communication buses are connected with said total processor, and said display circuit is connected with said total processor; Said reset circuit is connected with said total processor; Said rectifier switch power supply is connected with said total processor, and said online upgrading circuit is connected with said total processor, and said simulative serial port circuit is connected with said total processor; Said electronic expansion valve-driving circuit is connected with said total processor; Said temperature, pressure Acquisition Circuit is connected with said total processor, and said fault feedback circuit is connected with said total processor, and said PWM is connected with said total processor with the relay input circuit.
Further, above-mentioned aircondition controller is provided with lightning protection circuit, and said lightning protection circuit is connected with said 485 communication buses.
Preferably; Above-mentioned 485 communication buses comprise processor U6, processor U7, resistance R 107, resistance R 106, resistance R 111, switch JP6, resistance R 40, Light-Emitting Diode LED2, resistance R 113, resistance R 43, resistance R 44, resistance R 55, switch JP5, resistance R 63, resistance R 39, Light-Emitting Diode LED1, resistance R 41 and resistance R 42; Said 485 communication buses are provided with the earth terminal EARTH; Said the earth terminal EARTH is connected with the earth; The model of said processor U6 and said processor U7 is MAX485, and the pin 8 of said processor U6 meets VCC, and the pin 7 of said processor U6, an end of resistance R 107 are connected with the end of said switch JP6; The other end of said switch JP6 is connected with an end of said resistance R 111; The pin 6 of the other end of said resistance R 111, said processor U6 is connected with an end of said resistance R 106, another termination VCC of said resistance R 106, another termination low level of resistance R 107; One termination VCC of one end of resistance R 40, resistance R 43; The pin 1 of the other end of resistance R 43, processor U6 is connected with the pin 34 of total processor, and the other end of resistance R 40 is connected with the positive pole of LED 2, and the pin 2 of the negative pole of LED 2, processor U6, the pin 3 of processor U6 are connected with the pin 33 of said total processor; One termination VCC of resistance R 113, the pin 4 of the other end of resistance R 113, processor U6 is connected with the pin 35 of said total processor;
The pin 8 of said processor U7 meets VCC; The pin 7 of said processor U7, an end of resistance R 44 are connected with the end of said switch JP5; The other end of said switch JP5 is connected with an end of said resistance R 63; The pin 6 of the other end of said resistance R 63, said processor U7 is connected with an end of said resistance R 55, another termination VCC of said resistance R 55, another termination low level of resistance R 44; One termination VCC of one end of resistance R 39, resistance R 41; The pin 1 of the other end of resistance R 41, processor U7 is connected with the pin 9 of total processor, and the other end of resistance R 39 is connected with the positive pole of LED 1, and the pin 2 of the negative pole of LED 1, processor U7, the pin 3 of processor U7 are connected with the pin 11 of said total processor; One termination VCC of resistance R 42, the pin 4 of the other end of resistance R 42, processor U7 is connected with the pin 10 of said total processor.
Said lightning protection circuit comprises connector J4, glass discharge vessel G1, glass discharge vessel G2, glass discharge vessel G3, glass discharge vessel G4, glass discharge vessel G5, glass discharge vessel G6, fuse F1, fuse F2, fuse F3, fuse F4, Transient Voltage Suppressor TVS1, Transient Voltage Suppressor TVS2, Transient Voltage Suppressor TVS3 and Transient Voltage Suppressor TVS4
The end of the end of 1 end of said connector J4, said glass discharge vessel G4, said glass discharge vessel G6 is connected with the end of said fuse F3; The end of the other end of said fuse F3, said Transient Voltage Suppressor TVS3 is connected with the pin 7 of the processor U6 of said 485 communication buses; The end of the other end of said glass discharge vessel G4, said glass discharge vessel G5 is connected with the earth terminal EARTH; The end of the other end of said glass discharge vessel G5, the other end of said glass discharge vessel G6, said fuse F4 is connected with 2 ends of said connector J4; The end of the other end of said Transient Voltage Suppressor TVS3, said Transient Voltage Suppressor TVS4 is connected with the earth terminal EARTH, and the other end of the other end of said Transient Voltage Suppressor TVS4, said fuse F4 is connected with the pin 6 of the said processor U6 of said 485 communication buses;
The end of the end of 3 ends of said connector J4, said glass discharge vessel G1, said glass discharge vessel G3 is connected with the end of said fuse F1; The end of the other end of said fuse F1, said Transient Voltage Suppressor TVS1 is connected with the pin 7 of the processor U7 of said 485 communication buses; The end of the other end of said glass discharge vessel G1, said glass discharge vessel G2 is connected with the earth terminal EARTH; The end of the other end of said glass discharge vessel G2, the other end of said glass discharge vessel G3, said fuse F2 is connected with 4 ends of said connector J4; The end of the other end of said Transient Voltage Suppressor TVS1, said Transient Voltage Suppressor TVS2 is connected with the earth terminal EARTH, and the other end of the other end of said Transient Voltage Suppressor TVS2, said fuse F2 is connected with the pin 6 of the said processor U7 of said 485 communication buses.
Preferably, above-mentioned toggle switch and key circuit comprise that toggle switch circuit A, toggle switch circuit B, toggle switch circuit C, toggle switch circuit D, model are processor U11 and the key circuit of CD4051,
The SET1 end of said toggle switch circuit A is connected with pin 5 with the pin 1 of said processor U11 respectively with the SET2 end,
The UNITH end of said toggle switch circuit B is connected with pin 12 with the pin 15 of said processor U11 respectively with the UNITL end,
The SET3 end of said toggle switch circuit C is connected with pin 4 with the pin 2 of said processor U11 respectively with the SET4 end,
The ADDRH end of said toggle switch circuit D is connected with pin 14 with the pin 13 of said processor U11 respectively with the ADDRL end,
The pin 3 of said processor U11 is connected with the pin 4 of said total processor, and the pin 11 of said processor U11, pin 10 and pin 9 are connected with pin pin 13, pin 14, the pin 15 of said total processor respectively,
Said key circuit comprises button K2, button K3, button K4, button K5, resistance R 105, resistance R 108, resistance R 109, resistance R 112 and resistance R 110; The end of the end of said button K2, the end of button K3, button K4, the termination low level of button K5; The other end of said button K2 is connected with an end of said resistance R 112; The other end of said button K3 is connected with an end of said resistance R 108; The other end of said button K4 is connected with an end of said resistance R 105; The other end of said button K5 is connected with an end of said resistance R 109, and said resistance R 105, resistance R 108, resistance R 109, the other end of resistance R 112, an end of said resistance R 110 are connected another termination VCC of said resistance R 110 with the pin 3 of said total processor.
Preferably, above-mentioned display circuit comprises processor U1, processor U2, processor U3, processor U4, display unit DS1, display unit DS2, display unit DS3, display unit DS4 and resistor group A, resistor group B, resistor group C and resistor group D,
The model of said processor U1, processor U2, processor U3 and processor U4 is 74LS164; The pin 1 of said processor U1 is connected with the pin 25 of said total processor with pin 2; The pin 8 of the pin 8 of said processor U1, the pin 8 of processor U2, processor U3 and the pin 8 of processor U4 are connected with the pin 24 of said total processor; The pin 9 of the pin 9 of said processor U1, the pin 9 of processor U2, processor U3 and the pin 9 of processor U4 meet VCC; The pin 1 of said processor U2 is connected with the pin 13 of said processor U1 with pin 2; The pin 1 of said processor U3 is connected with the pin 13 of said processor U2 with pin 2, and the pin 1 of said processor U4 is connected with the pin 13 of said processor U3 with pin 2
The two ends of said resistor group A are connected with said display unit DS1 with said processor U1 respectively; The two ends of said resistor group B are connected with said display unit DS2 with said processor U2 respectively; The two ends of said resistor group C are connected with said display unit DS3 with said processor U3 respectively; The two ends of said resistor group D are connected with said display unit DS4 with said processor U4 respectively
The pin 1 of said display unit DS1, display unit DS2, display unit DS3 and display unit DS4 meets VCC, and the pin 6 of said display unit DS1, display unit DS2, display unit DS3 and display unit DS4 meets VCC.
Another is preferred; Above-mentioned reset circuit comprises processor U9, resistance R 37, capacitor C 5, K switch 1 and resistance R 38; The model of said processor U9 is KIA7033; One end of said resistance R 37, the pin 1 of processor U9 meet VCC, and the pin 3 of the other end of said resistance R 37, said processor U9 is connected with an end of said capacitor C 5, another termination low level of said capacitor C 5; One end of said K switch 1 is connected with an end of said resistance R 38, and the pin 3 of the other end of said K switch 1, said processor U9 is connected with the pin 44 of said total processor.
Further, above-mentioned online upgrading circuit comprises switch SW 2, resistance R 114, resistance R 115 and chip J3,
The pin 1 of said switch SW 2, an end of said resistance R 114 are connected with the pin 21 of said total processor; The pin 2 of said switch SW 2, an end of said resistance R 115 are connected with the pin 23 of said total processor; Another termination VCC of the pin 4 of said switch SW 2, said resistance R 115; The pin 3 of said switch SW 2 and another termination low level of said resistance R 114
The pin 1 of said chip J3 meets VCC, and the pin 2 of said chip J3 connects low level, and the pin 3 of said chip J3 connects the pin 34 of said total processor, and the pin 4 of said chip J3 connects the pin 35 of said total processor.
Further; Said temperature pressure acquisition circuit comprises 14 temperature collection circuits, pressure acquisition circuit A, pressure acquisition circuit B, processor U3 and processor U8; The model of said processor U3 and processor U8 is CD4051; The pin 9 of said processor U3, the pin 9 of processor U8 are connected with the pin 15 of said total processor; The pin 10 of said processor U3, the pin 10 of processor U8 are connected with the pin 14 of said total processor, and the pin 11 of said processor U3, the pin 11 of processor U8 are connected with the pin 13 of said total processor, and the pin 6 of said processor U3, the pin 6 of processor U8 connect low level; The pin 1 of said processor U8 is connected with the L-U end of said pressure acquisition circuit A; The pin 5 of said processor U8 is connected with the H-U of said pressure acquisition circuit B, and the pin 3 of said processor U3 is connected with the pin 62 of said total processor, and the pin 3 of said processor U8 is connected with the pin 63 of said total processor.
Further; The photo-coupler OTP9 that above-mentioned simulative serial port circuit comprises connector J7, be made up of diode D1 and triode Q1, photo-coupler OTP10, resistance R 73 and the resistance R 74 formed by diode D2 and triode Q2; The 1 termination 12V voltage of said connector J7, the 2 termination low levels of said connector J7, the colelctor electrode of the 3 termination triode Q1 of said connector J7; The emitter-base bandgap grading of said triode Q1 connects low level; The end of the anodal connecting resistance R73 of said diode D1, the other end of resistance R 73 is connected with the pin of said total processor 17, and 4 ends of said connector J7 are connected with an end of resistance R 74; The other end of resistance R 74 is connected with the positive pole of said diode D2; The negative pole of said diode D2 connects low level, and the colelctor electrode of said triode Q2 is connected with the pin of said total processor 16, and the emitter-base bandgap grading of said triode Q2 connects low level.
Further; Above-mentioned fault feedback circuit comprises feedback circuit, processor U11, processor U12 and resistance R 61; The model of said processor U11 and processor U12 is 74LS165, and the pin 1 of said processor U11, the pin 1 of processor U12 are connected with the pin 26 of said total processor, and the pin 2 of said processor U11, the pin 2 of processor U12 are connected with the pin 32 of said total processor; The pin 15 of the pin 15 of said processor U11, the pin 8 of processor U11, processor U12 and the pin 8 of processor U12 connect low level; The pin 16 of said processor U11, the pin 16 of processor U12 meet VCC, and the pin 10 of said processor U11 is connected with the pin 9 of said processor U12, and the pin 10 of said processor U12 is connected with an end of resistance R 61; Another termination VCC of resistance R 61; The pin 9 of said processor U11 is connected with the pin 27 of said total processor, and the terminal FD1 of feedback circuit is connected with the pin 11 of said processor U11, and the terminal FD2 of feedback circuit is connected with the pin 12 of said processor U11; The terminal FD3 of feedback circuit is connected with the pin 13 of said processor U11; The terminal FD4 of feedback circuit is connected with the pin 14 of said processor U11, and the terminal FD5 of feedback circuit is connected with the pin 3 of said processor U11, and the terminal FD6 of feedback circuit is connected with the pin 4 of said processor U11; The terminal FD7 of feedback circuit is connected with the pin 5 of said processor U11; The terminal FD8 of feedback circuit is connected with the pin 6 of said processor U11, and the terminal FD9 of feedback circuit is connected with the pin 11 of said processor U12, and the terminal FD10 of feedback circuit is connected with the pin 12 of said processor U12; The terminal FD11 of feedback circuit is connected with the pin 13 of said processor U12, and the terminal FD12 of feedback circuit is connected with the pin 14 of said processor U12.
A kind of aircondition controller of the present invention; Comprise total processor, toggle switch and key circuit, 485 communication buses, display circuit, reset circuit, rectifier switch power supply, online upgrading circuit, simulative serial port circuit, electronic expansion valve-driving circuit, temperature, pressure Acquisition Circuit, fault feedback circuit and PWM and relay input circuit; The model of said total processor is MB96F356; Said toggle switch is connected with said total processor with key circuit, and said 485 communication buses are connected with said total processor, and said display circuit is connected with said total processor; Said reset circuit is connected with said total processor; Said rectifier switch power supply is connected with said total processor, and said online upgrading circuit is connected with said total processor, and said simulative serial port circuit is connected with said total processor; Said electronic expansion valve-driving circuit is connected with said total processor; Said temperature, pressure Acquisition Circuit is connected with said total processor, and said fault feedback circuit is connected with said total processor, and said PWM is connected with said total processor with the relay input circuit.That this aircondition controller has is multi-functional, high efficiency, intelligentized characteristics.
Description of drawings
Utilize accompanying drawing that the present invention is further described, but the content in the accompanying drawing does not constitute any restriction of the present invention.
Fig. 1 is the structural representation of a kind of aircondition controller of the present invention;
Fig. 2 is the circuit structure diagram of total processor of Fig. 1;
Fig. 3 is the sketch map of 485 communication buses of Fig. 1;
Fig. 4 is the sketch map of the lightning protection circuit of Fig. 1;
Fig. 5 is the toggle switch of Fig. 1 and the sketch map of key circuit;
Fig. 6 is the sketch map of the display circuit of Fig. 1;
Fig. 7 is the sketch map of the reset circuit of Fig. 1;
Fig. 8 is the sketch map of the online upgrading circuit of Fig. 1;
Fig. 9 is the sketch map of the temperature, pressure Acquisition Circuit of Fig. 1;
Figure 10 is the sketch map of the simulative serial port circuit of Fig. 1;
Figure 11 is the sketch map of the fault feedback circuit of Fig. 1;
Figure 12 is the sketch map of the feedback circuit among Figure 11;
Figure 13 is the sketch map of the rectifier switch power supply of Fig. 1;
Figure 14 is the sketch map of the electronic expansion valve-driving circuit of Fig. 1;
Figure 15 is the PWM of Fig. 1 and the sketch map of relay input circuit.
The specific embodiment
In conjunction with following examples the present invention is further described.
A kind of aircondition controller; As shown in Figure 1, comprise total processor 100, toggle switch and key circuit 102,485 communication buses 103, lightning protection circuit 104, display circuit 105, reset circuit 106, rectifier switch power supply 109, online upgrading circuit 107, simulative serial port circuit 110, electronic expansion valve-driving circuit 111, temperature, pressure Acquisition Circuit 112, fault feedback circuit 113 and PWM and relay input circuit 114.The model of total processor 100 is MB96F356; Its structure is as shown in Figure 2, and toggle switch and key circuit 102,485 communication buses 103, display circuit 105, reset circuit 106, rectifier switch power supply 109, online upgrading circuit 107, simulative serial port circuit 110, electronic expansion valve-driving circuit 111, temperature, pressure Acquisition Circuit 112, fault feedback circuit 113 and PWM all are connected with total processor 100 with relay input circuit 114.Lightning protection circuit 104 is connected with 485 communication buses 103.
As shown in Figure 3; 485 communication buses 103 comprise processor U6, processor U7, resistance R 107, resistance R 106, resistance R 111, switch JP6, resistance R 40, Light-Emitting Diode LED2, resistance R 113, resistance R 43, resistance R 44, resistance R 55, switch JP5, resistance R 63, resistance R 39, Light-Emitting Diode LED1, resistance R 41 and resistance R 42; 485 communication buses are provided with the earth terminal EARTH; The earth terminal EARTH is connected with the earth; The model of processor U6 and processor U7 is MAX485, and the pin 8 of processor U6 meets VCC, and the pin 7 of processor U6, an end of resistance R 107 are connected with the end of switch JP6; The other end of switch JP6 is connected with an end of resistance R 111; The pin 6 of the other end of resistance R 111, processor U6 is connected with an end of resistance R 106, another termination VCC of resistance R 106, another termination low level of resistance R 107; One termination VCC of one end of resistance R 40, resistance R 43; The pin 1 of the other end of resistance R 43, processor U6 is connected with the pin 34 of total processor 100, and the other end of resistance R 40 is connected with the positive pole of LED 2, and the pin 2 of the negative pole of LED 2, processor U6, the pin 3 of processor U6 are connected with the pin 33 of total processor 100; One termination VCC of resistance R 113, the pin 4 of the other end of resistance R 113, processor U6 is connected with the pin 35 of total processor 100.
The pin 8 of processor U7 meets VCC; The pin 7 of processor U7, an end of resistance R 44 are connected with the end of switch JP5, and the other end of switch JP5 is connected with an end of resistance R 63, and the pin 6 of the other end of resistance R 63, processor U7 is connected with an end of resistance R 55; Another termination VCC of resistance R 55; Another termination low level of resistance R 44, a termination VCC of an end of resistance R 39, resistance R 41, the pin 1 of the other end of resistance R 41, processor U7 is connected with the pin 9 of total processor 100; The other end of resistance R 39 is connected with the positive pole of LED 1; The pin 2 of the negative pole of LED 1, processor U7, the pin 3 of processor U7 are connected with the pin 11 of total processor 100, a termination VCC of resistance R 42, and the pin 4 of the other end of resistance R 42, processor U7 is connected with the pin 10 of total processor 100.
Through the I/O mouth of total processor 100, the reiving/transmitting state of control MAX485 processor U6, U7; MAX48 processor U6, U7 are passed to the data that receive by 1 pin the reception pin of total processor 100 through 6 pin, the A of 7 pin, B bus data during reception; The processor U6 that the transmission pin of total processor passes to data during transmission, 4 pin of U7 are then through its 6 pin, the A of 7 pin, B bus transmissioning data;
The end of 1 end of connector J4, the end of glass discharge vessel G4, glass discharge vessel G6 is connected with the end of fuse F3; The end of the other end of fuse F3, Transient Voltage Suppressor TVS3 is connected with the pin 7 of the processor U6 of 485 communication buses 103; The end of the other end of glass discharge vessel G4, glass discharge vessel G5 is connected with the earth terminal EARTH; The end of the other end of glass discharge vessel G5, the other end of glass discharge vessel G6, fuse F4 is connected with 2 ends of connector J4; The end of the other end of Transient Voltage Suppressor TVS3, Transient Voltage Suppressor TVS4 is connected with the earth terminal EARTH, and the other end of the other end of Transient Voltage Suppressor TVS4, fuse F4 is connected with the pin 6 of the processor U6 of 485 communication buses 103;
The end of 3 ends of connector J4, the end of glass discharge vessel G1, glass discharge vessel G3 is connected with the end of fuse F1; The end of the other end of fuse F1, Transient Voltage Suppressor TVS1 is connected with the pin 7 of the processor U7 of 485 communication buses 103; The end of the other end of glass discharge vessel G1, glass discharge vessel G2 is connected with the earth terminal EARTH; The end of the other end of glass discharge vessel G2, the other end of glass discharge vessel G3, fuse F2 is connected with 4 ends of connector J4; The end of the other end of Transient Voltage Suppressor TVS1, Transient Voltage Suppressor TVS2 is connected with the earth terminal EARTH, and the other end of the other end of Transient Voltage Suppressor TVS2, fuse F2 is connected with the pin 6 of the processor U7 of 485 communication buses 103.
The operation principle of lightning protection circuit 104 is; When the line of external 485 communication buses 103 had thunder and lightning to make, its high voltage reduced high voltage to get off through male model and the differential mode circuit of glass discharge vessel G1, glass discharge vessel G2, glass discharge vessel G3, glass discharge vessel G4, glass discharge vessel G5, glass discharge vessel G6 earlier greatly.If also have part voltage not lower; Can also pass through fuse fuse F1, fuse F2, fuse F3, fuse F4 excessive current limitation; Just often resistance is less at electric current for fuse fuse F1, fuse F2, fuse F3, fuse F4; And when surpassing certain electric current, its resistance increases greatly, plays the effect of current limliting preferably.Through after the fuse; Voltage has dropped to lower value; Add the effect of clamping down on of Transient Voltage Suppressor TVS1, Transient Voltage Suppressor TVS2, Transient Voltage Suppressor TVS3 and Transient Voltage Suppressor TVS4, lightning protection circuit 104 reliable protection the circuit of system.
Toggle switch and key circuit 102, as shown in Figure 5, comprise that toggle switch circuit A, toggle switch circuit B, toggle switch circuit C, toggle switch circuit D, model are processor U11 and the key circuit 1021 of CD4051,
The SET1 end of toggle switch circuit A is connected with pin 5 with the pin 1 of processor U11 respectively with the SET2 end; The UNITH end of toggle switch circuit B is connected with pin 12 with the pin 15 of processor U11 respectively with the UNITL end; The SET3 end of toggle switch circuit C is connected with pin 4 with the pin 2 of processor U11 respectively with the SET4 end; The ADDRH end of toggle switch circuit D is connected with pin 14 with the pin 13 of processor U11 respectively with the ADDRL end
The pin 3 of processor U11 is connected with the pin 4 of total processor 100, and the pin 11 of processor U11, pin 10 and pin 9 are connected with pin 13, pin 14, the pin 15 of total processor 100 respectively,
The model of processor U1, processor U2, processor U3 and processor U4 is 74LS164; The pin 1 of processor U1 is connected with the pin 25 of pin 2 with total processor 100; The pin 8 of the pin 8 of processor U1, the pin 8 of processor U2, processor U3 and the pin 8 of processor U4 are connected with the pin 24 of total processor 100; The pin 9 of the pin 9 of processor U1, the pin 9 of processor U2, processor U3 and the pin 9 of processor U4 meet VCC; The pin 1 of processor U2 is connected with the pin 13 of processor U1 with pin 2; The pin 1 of processor U3 is connected with the pin 13 of processor U2 with pin 2, and the pin 1 of processor U4 is connected with the pin 13 of processor U3 with pin 2
The two ends of resistor group A are connected with display unit DS1 with processor U1 respectively; The two ends of resistor group B are connected with display unit DS2 with processor U2 respectively; The two ends of resistor group C are connected with display unit DS3 with processor U3 respectively; The two ends of resistor group D are connected with said display unit DS4 with said processor U4 respectively
The pin 1 of display unit DS1, display unit DS2, display unit DS3 and display unit DS4 meets VCC, and the pin 6 of said display unit DS1, display unit DS2, display unit DS3 and display unit DS4 meets VCC.
Sequential through control clock line and data wire; Wanting data presented to deliver to processor U1, processor U2, processor U3 and processor U4, the light on and off of the LED of its output level control respective display unit DS1, display unit DS2, display unit DS3, display unit DS4 then.
Temperature, pressure Acquisition Circuit 112, as shown in Figure 9, comprise 14 temperature collection circuits 1121, pressure acquisition circuit A, pressure acquisition circuit B, processor U3 and processor U8.The model of processor U3 and processor U8 is CD4051; The pin 9 of processor U3, the pin 9 of processor U8 are connected with the pin 15 of total processor 100; The pin 10 of processor U3, the pin 10 of processor U8 are connected with the pin 14 of total processor 100; The pin 11 of processor U3, the pin 11 of processor U8 are connected with the pin 13 of total processor 100, and the pin 6 of processor U3, the pin 6 of processor U8 connect low level, and the pin 1 of processor U8 is connected with the L-U end of pressure acquisition circuit A; The pin 5 of processor U8 is connected with the H-U of pressure acquisition circuit B; The pin 3 of processor U3 is connected with the pin 62 of total processor 100, and the pin 3 of processor U8 is connected with the pin 63 of total processor 100, and the output of 14 temperature collection circuits 1121 is connected with other pins of processor U3 and U8 respectively.14 temperature collection circuits 1121, each circuit all adopt NTC type temperature sensor, form resistor network with a fixed resistance, and total then processor 100 reads its temperature value through the passage of gating processor U3 and processor U8; Pressure acquisition circuit A, pressure acquisition circuit B all adopt voltage sensor, read its force value by total processor 100 behind the passage through total processor 100 gating processor U3 and processor U8.
Simulative serial port circuit 110, shown in figure 10, the photo-coupler OTP9 that comprises connector J7, forms by diode D1 and triode Q1, photo-coupler OTP10, resistance R 73 and the resistance R 74 formed by diode D2 and triode Q2.The 1 termination 12V voltage of connector J7, the 2 termination low levels of connector J7, the colelctor electrode of the 3 termination triode Q1 of connector J7; The emitter-base bandgap grading of triode Q1 connects low level; The end of the anodal connecting resistance R73 of diode D1, the other end of resistance R 73 is connected with the pin 17 of total processor 100, and 4 ends of connector J7 are connected with an end of resistance R 74; The other end of resistance R 74 is connected with the positive pole of diode D2; The negative pole of diode D2 connects low level, and the colelctor electrode of triode Q2 is connected with the pin 16 of total processor 100, and the emitter-base bandgap grading of triode Q2 connects low level.This simulative serial port circuit 110 passes through common I/O, and light-coupled isolation is all adopted in input and output, realizes the simulative serial port communication.
Fault feedback circuit 113, shown in figure 11, comprise feedback circuit 1131, processor U11, processor U12 and resistance R 61.Feedback circuit 1131 is shown in figure 12.The model of processor U11 and processor U12 is 74LS165; The pin 1 of processor U11, the pin 1 of processor U12 are connected with the pin 26 of total processor 100; The pin 2 of processor U11, the pin 2 of processor U12 are connected with the pin 32 of total processor 100, and the pin 15 of the pin 15 of processor U11, the pin 8 of processor U11, processor U12 and the pin 8 of processor U12 connect low level, and the pin 16 of processor U11, the pin 16 of processor U12 meet VCC; The pin 10 of processor U11 is connected with the pin 9 of processor U12; The pin 10 of processor U12 is connected with an end of resistance R 61, another termination VCC of resistance R 61, and the pin 9 of processor U11 is connected with the pin 27 of total processor 100; The terminal FD1 of feedback circuit 1131 is connected with the pin 11 of processor U11; The terminal FD2 of feedback circuit 1131 is connected with the pin 12 of processor U11, and the terminal FD3 of feedback circuit 1131 is connected with the pin 13 of processor U11, and the terminal FD4 of feedback circuit 1131 is connected with the pin 14 of processor U11; The terminal FD5 of feedback circuit 1131 is connected with the pin 3 of processor U11; The terminal FD6 of feedback circuit 1131 is connected with the pin 4 of said processor U11, and the terminal FD7 of feedback circuit 1131 is connected with the pin 5 of processor U11, and the terminal FD8 of feedback circuit 1131 is connected with the pin 6 of processor U11; The terminal FD9 of feedback circuit 1131 is connected with the pin 11 of processor U12; The terminal FD10 of feedback circuit 1131 is connected with the pin 12 of processor U12, and the terminal FD11 of feedback circuit 1131 is connected with the pin 13 of processor U12, and the terminal FD12 of feedback circuit 1131 is connected with the pin 14 of processor U12.Fault feedback circuit 113 is through the closed of feedback end or break off, and controls the on/off of corresponding optocoupler and its level that is input to processor U11 and processor U12 is just changed; Total processor 100 reads corresponding cut-off/close signal through the corresponding control of sequential.
Rectifier switch power supply 109, shown in figure 13.This partial circuit provides one road 12V and one road 5V dc source.Its operation principle is: the 24VAC electric current, through behind the bridge rectifier, the 12V dc source of maximum 3A is provided by the Switching Power Supply of LM2576-12, and through the L7805 voltage-stabiliser tube 5V is provided dc source again.
Electronic expansion valve-driving circuit 111, shown in figure 14.Each road electronic expansion valve-driving circuit 111 is exported through 4 I/O mouths, and is processor U3 and the U4 increase driving force of ULN2803 through model.
PWM and relay input circuit 114, shown in figure 15.Behind the processor U3 and U4 increase driving force of PWM valve through model ULN2803, the break-make of control optocoupler is controlled the silicon controlled break-make; Have 11 the tunnel to be directly to drive the 12VDC relay through the ULN2803 processor through I/O in the output of No. 19 relays, it is output as the contact switch of 5A 220VAC; Other 8 the tunnel is sealing in and controlling of logical MC14094, drives the 12VDC relay through ULN2803 again, and it is output as the contact switch of 5A 220VAC.
It is total processor 100 of MB96F356 that aircondition controller provided by the invention adopts model, and this aircondition controller can be realized online ROMPaq, makes things convenient for on-site maintenance; By rectifier switch power supply 109 dc source of 12V and 5V is provided, for aircondition controller provides power supply; Adopt the processor of model KIA7033 that the reliable reset circuit is provided, the assurance system can normally reset; The state of aircondition controller and parameter can show through group of four figures pipe; Aircondition controller can drive 5 road electric expansion valves; Aircondition controller provides the fault feedback input of 12 road 24VAC; Aircondition controller provides 1 road PWM drive circuit and 19 road 5A 220VAC lead-out terminals; 32 toggle switch and 4 key switches are arranged; And 14 tunnel temperature and 2 road pressure acquisition circuit are arranged; 2 tunnel 485 communication buses, and be furnished with safe and reliable lightning protection circuit; 1 road simulative serial port.Therefore, this aircondition controller has multi-functional, high efficiency, intelligentized characteristics.
Should be noted that at last; Above embodiment is only in order to technical scheme of the present invention to be described but not to the restriction of protection domain of the present invention; Although the present invention has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the essence and the scope of technical scheme of the present invention.
Claims (8)
1. aircondition controller; It is characterized in that: comprise total processor, toggle switch and key circuit, 485 communication buses, display circuit, reset circuit, rectifier switch power supply, online upgrading circuit, simulative serial port circuit, electronic expansion valve-driving circuit, temperature, pressure Acquisition Circuit, fault feedback circuit and PWM and relay input circuit; The model of said total processor is MB96F356; Said toggle switch is connected with said total processor with key circuit, and said 485 communication buses are connected with said total processor, and said display circuit is connected with said total processor; Said reset circuit is connected with said total processor; Said rectifier switch power supply is connected with said total processor and to whole system power supply is provided, and said online upgrading circuit is connected with said total processor, and said simulative serial port circuit is connected with said total processor; Said electronic expansion valve-driving circuit is connected with said total processor; Said temperature, pressure Acquisition Circuit is connected with said total processor, and said fault feedback circuit is connected with said total processor, and said PWM is connected with said total processor with the relay input circuit;
Said aircondition controller is provided with lightning protection circuit, and said lightning protection circuit is connected with said 485 communication buses;
Said 485 communication buses comprise processor U6, processor U7, resistance R 107, resistance R 106, resistance R 111, switch JP6, resistance R 40, LED 2, resistance R 113, resistance R 43, resistance R 44, resistance R 55, switch JP5, resistance R 63, resistance R 39, LED 1, resistance R 41 and resistance R 42; Said 485 communication buses are provided with the earth terminal EARTH; Said the earth terminal EARTH is connected with the earth; The model of said processor U6 and said processor U7 is MAX485; The pin 8 of said processor U6 meets VCC; The pin 7 of said processor U6, an end of resistance R 107 are connected with the end of said switch JP6, and the other end of said switch JP6 is connected with an end of said resistance R 111, and the pin 6 of the other end of said resistance R 111, said processor U6 is connected with an end of said resistance R 106; Another termination VCC of said resistance R 106; Another termination low level of resistance R 107, a termination VCC of an end of resistance R 40, resistance R 43, the pin 1 of the other end of resistance R 43, processor U6 is connected with the pin 34 of total processor; The other end of resistance R 40 is connected with the positive pole of LED 2; The pin 2 of the negative pole of LED 2, processor U6, the pin 3 of processor U6 are connected with the pin 33 of said total processor, a termination VCC of resistance R 113, and the pin 4 of the other end of resistance R 113, processor U6 is connected with the pin 35 of said total processor;
The pin 8 of said processor U7 meets VCC; The pin 7 of said processor U7, an end of resistance R 44 are connected with the end of said switch JP5; The other end of said switch JP5 is connected with an end of said resistance R 63, and the pin 6 of the other end of said resistance R 63, said processor U7 is connected with an end of said resistance R 55, another termination VCC of said resistance R 55; Another termination low level of resistance R 44; One termination VCC of one end of resistance R 39, resistance R 41, the pin 1 of the other end of resistance R 41, processor U7 is connected with the pin 9 of total processor, and the other end of resistance R 39 is connected with the positive pole of LED 1; The pin 2 of the negative pole of LED 1, processor U7, the pin 3 of processor U7 are connected with the pin 11 of said total processor; One termination VCC of resistance R 42, the pin 4 of the other end of resistance R 42, processor U7 is connected with the pin 10 of said total processor
Said lightning protection circuit comprises connector J4, glass discharge vessel G1, glass discharge vessel G2, glass discharge vessel G3, glass discharge vessel G4, glass discharge vessel G5, glass discharge vessel G6, fuse F1, fuse F2, fuse F3, fuse F4, Transient Voltage Suppressor TVS1, Transient Voltage Suppressor TVS2, Transient Voltage Suppressor TVS3 and Transient Voltage Suppressor TVS4
The end of the end of 1 end of said connector J4, said glass discharge vessel G4, said glass discharge vessel G6 is connected with the end of said fuse F3; The end of the other end of said fuse F3, said Transient Voltage Suppressor TVS3 is connected with the pin 7 of the processor U6 of said 485 communication buses; The end of the other end of said glass discharge vessel G4, said glass discharge vessel G5 is connected with the earth terminal EARTH; The end of the other end of said glass discharge vessel G5, the other end of said glass discharge vessel G6, said fuse F4 is connected with 2 ends of said connector J4; The end of the other end of said Transient Voltage Suppressor TVS3, said Transient Voltage Suppressor TVS4 is connected with the earth terminal EARTH, and the other end of the other end of said Transient Voltage Suppressor TVS4, said fuse F4 is connected with the pin 6 of the said processor U6 of said 485 communication buses;
The end of the end of 3 ends of said connector J4, said glass discharge vessel G1, said glass discharge vessel G3 is connected with the end of said fuse F1; The end of the other end of said fuse F1, said Transient Voltage Suppressor TVS1 is connected with the pin 7 of the processor U7 of said 485 communication buses; The end of the other end of said glass discharge vessel G1, said glass discharge vessel G2 is connected with the earth terminal EARTH; The end of the other end of said glass discharge vessel G2, the other end of said glass discharge vessel G3, said fuse F2 is connected with 4 ends of said connector J4; The end of the other end of said Transient Voltage Suppressor TVS1, said Transient Voltage Suppressor TVS2 is connected with the earth terminal EARTH, and the other end of the other end of said Transient Voltage Suppressor TVS2, said fuse F2 is connected with the pin 6 of the said processor U7 of said 485 communication buses.
2. a kind of aircondition controller according to claim 1; It is characterized in that: said toggle switch and key circuit comprise that toggle switch circuit A, toggle switch circuit B, toggle switch circuit C, toggle switch circuit D, model are processor U11 and the key circuit of CD4051
The SET1 end of said toggle switch circuit A is connected with pin 5 with the pin 1 of said processor U11 respectively with the SET2 end,
The UNITH end of said toggle switch circuit B is connected with pin 12 with the pin 15 of said processor U11 respectively with the UNITL end,
The SET3 end of said toggle switch circuit C is connected with pin 4 with the pin 2 of said processor U11 respectively with the SET4 end,
The ADDRH end of said toggle switch circuit D is connected with pin 14 with the pin 13 of said processor U11 respectively with the ADDRL end,
The pin 3 of said processor U11 is connected with the pin 4 of said total processor, and the pin 11 of said processor U11, pin 10 and pin 9 are connected with pin pin 13, pin 14, the pin 15 of said total processor respectively,
Said key circuit comprises button K2, button K3, button K4, button K5, resistance R 105, resistance R 108, resistance R 109, resistance R 112 and resistance R 110; The end of the end of said button K2, the end of button K3, button K4, the termination low level of button K5; The other end of said button K2 is connected with an end of said resistance R 112; The other end of said button K3 is connected with an end of said resistance R 108; The other end of said button K4 is connected with an end of said resistance R 105; The other end of said button K5 is connected with an end of said resistance R 109, and said resistance R 105, resistance R 108, resistance R 109, the other end of resistance R 112, an end of said resistance R 110 are connected another termination VCC of said resistance R 110 with the pin 3 of said total processor.
3. a kind of aircondition controller according to claim 1; It is characterized in that: said display circuit comprises processor U1, processor U2, processor U3, processor U4, display unit DS1, display unit DS2, display unit DS3, display unit DS4 and resistor group A, resistor group B, resistor group C and resistor group D
The model of said processor U1, processor U2, processor U3 and processor U4 is 74LS164; The pin 1 of said processor U1 is connected with the pin 25 of said total processor with pin 2; The pin 8 of the pin 8 of said processor U1, the pin 8 of processor U2, processor U3 and the pin 8 of processor U4 are connected with the pin 24 of said total processor; The pin 9 of the pin 9 of said processor U1, the pin 9 of processor U2, processor U3 and the pin 9 of processor U4 meet VCC; The pin 1 of said processor U2 is connected with the pin 13 of said processor U1 with pin 2; The pin 1 of said processor U3 is connected with the pin 13 of said processor U2 with pin 2, and the pin 1 of said processor U4 is connected with the pin 13 of said processor U3 with pin 2
The two ends of said resistor group A are connected with said display unit DS1 with said processor U1 respectively; The two ends of said resistor group B are connected with said display unit DS2 with said processor U2 respectively; The two ends of said resistor group C are connected with said display unit DS3 with said processor U3 respectively; The two ends of said resistor group D are connected with said display unit DS4 with said processor U4 respectively
The pin 1 of said display unit DS1, display unit DS2, display unit DS3 and display unit DS4 meets VCC, and the pin 6 of said display unit DS1, display unit DS2, display unit DS3 and display unit DS4 meets VCC.
4. a kind of aircondition controller according to claim 1; It is characterized in that: said reset circuit comprises processor U9, resistance R 37, capacitor C 5, K switch 1 and resistance R 38; The model of said processor U9 is KIA7033; One end of said resistance R 37, the pin 1 of processor U9 meet VCC, and the pin 3 of the other end of said resistance R 37, said processor U9 is connected with an end of said capacitor C 5, another termination low level of said capacitor C 5; One end of said K switch 1 is connected with an end of said resistance R 38, and the pin 3 of the other end of said K switch 1, said processor U9 is connected with the pin 44 of said total processor.
5. a kind of aircondition controller according to claim 1 is characterized in that: said online upgrading circuit comprises switch SW 2, resistance R 114, resistance R 115 and chip J3,
The pin 1 of said switch SW 2, an end of said resistance R 114 are connected with the pin 21 of said total processor; The pin 2 of said switch SW 2, an end of said resistance R 115 are connected with the pin 23 of said total processor; Another termination VCC of the pin 4 of said switch SW 2, said resistance R 115; The pin 3 of said switch SW 2 and another termination low level of said resistance R 114
The pin 1 of said chip J3 meets VCC, and the pin 2 of said chip J3 connects low level, and the pin 3 of said chip J3 connects the pin 34 of said total processor, and the pin 4 of said chip J3 connects the pin 35 of said total processor.
6. a kind of aircondition controller according to claim 1; It is characterized in that: said temperature, pressure Acquisition Circuit comprises 14 temperature collection circuits, pressure acquisition circuit A, pressure acquisition circuit B, processor U3 and processor U8; The model of said processor U3 and processor U8 is CD4051; The pin 9 of said processor U3, the pin 9 of processor U8 are connected with the pin 15 of said total processor; The pin 10 of said processor U3, the pin 10 of processor U8 are connected with the pin 14 of said total processor; The pin 11 of said processor U3, the pin 11 of processor U8 are connected with the pin 13 of said total processor; The pin 6 of said processor U3, the pin 6 of processor U8 connect low level, and the pin 1 of said processor U8 is connected with the L-U end of said pressure acquisition circuit A, and the pin 5 of said processor U8 is connected with the H-U of said pressure acquisition circuit B; The pin 3 of said processor U3 is connected with the pin 62 of said total processor, and the pin 3 of said processor U8 is connected with the pin 63 of said total processor.
7. a kind of aircondition controller according to claim 1; It is characterized in that: the photo-coupler OTP9 that said simulative serial port circuit comprises connector J7, be made up of diode D1 and triode Q1, photo-coupler OTP10, resistance R 73 and the resistance R 74 formed by diode D2 and triode Q2; The 1 termination 12V voltage of said connector J7, the 2 termination low levels of said connector J7, the colelctor electrode of the 3 termination triode Q1 of said connector J7; The emitter-base bandgap grading of said triode Q1 connects low level; The end of the anodal connecting resistance R73 of said diode D1, the other end of resistance R 73 is connected with the pin of said total processor 17, and 4 ends of said connector J7 are connected with an end of resistance R 74; The other end of resistance R 74 is connected with the positive pole of said diode D2; The negative pole of said diode D2 connects low level, and the colelctor electrode of said triode Q2 is connected with the pin of said total processor 16, and the emitter-base bandgap grading of said triode Q2 connects low level.
8. a kind of aircondition controller according to claim 1; It is characterized in that: said fault feedback circuit comprises feedback circuit, processor U11, processor U12 and resistance R 61; The model of said processor U11 and processor U12 is 74LS165; The pin 1 of said processor U11, the pin 1 of processor U12 are connected with the pin 26 of said total processor; The pin 2 of said processor U11, the pin 2 of processor U12 are connected with the pin 32 of said total processor, and the pin 15 of the pin 15 of said processor U11, the pin 8 of processor U11, processor U12 and the pin 8 of processor U12 connect low level, and the pin 16 of said processor U11, the pin 16 of processor U12 meet VCC; The pin 10 of said processor U11 is connected with the pin 9 of said processor U12; The pin 10 of said processor U12 is connected with an end of resistance R 61, another termination VCC of resistance R 61, and the pin 9 of said processor U11 is connected with the pin 27 of said total processor; The terminal FD1 of feedback circuit is connected with the pin 11 of said processor U11; The terminal FD2 of feedback circuit is connected with the pin 12 of said processor U11, and the terminal FD3 of feedback circuit is connected with the pin 13 of said processor U11, and the terminal FD4 of feedback circuit is connected with the pin 14 of said processor U11; The terminal FD5 of feedback circuit is connected with the pin 3 of said processor U11; The terminal FD6 of feedback circuit is connected with the pin 4 of said processor U11, and the terminal FD7 of feedback circuit is connected with the pin 5 of said processor U11, and the terminal FD8 of feedback circuit is connected with the pin 6 of said processor U11; The terminal FD9 of feedback circuit is connected with the pin 11 of said processor U12; The terminal FD10 of feedback circuit is connected with the pin 12 of said processor U12, and the terminal FD11 of feedback circuit is connected with the pin 13 of said processor U12, and the terminal FD12 of feedback circuit is connected with the pin 14 of said processor U12.
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| CN101893307A (en) * | 2010-06-29 | 2010-11-24 | 宁波奥克斯电气有限公司 | Central air-conditioning screw generator set controller |
| CN109945396B (en) * | 2019-03-25 | 2021-10-26 | 广东美的制冷设备有限公司 | Air conditioner, and detection method and detection device for driving circuit fault |
| CN112433022A (en) * | 2019-08-26 | 2021-03-02 | 无锡统安安全科技有限公司 | Explosion-proof multi-relay gas detector |
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