CN2921906Y - Intelligent controller - Google Patents
Intelligent controller Download PDFInfo
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- CN2921906Y CN2921906Y CN 200620091359 CN200620091359U CN2921906Y CN 2921906 Y CN2921906 Y CN 2921906Y CN 200620091359 CN200620091359 CN 200620091359 CN 200620091359 U CN200620091359 U CN 200620091359U CN 2921906 Y CN2921906 Y CN 2921906Y
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Abstract
The utility model discloses an intelligent controller, consisting of an input circuit, an analog D/A output circuit, a switching value input circuit, a single-chip machine control unit, a power circuit and a communication unit. The power circuit is in electrical connection respectively with the single-chip machine control unit, the input circuit, the analog D/A output circuit, the switching value input circuit and the communication unit. The single-chip machine control unit is respectively communicated with the input circuit, the analog D/A output circuit and the switching value input circuit and communicated with a host computer or a handheld device through the communication unit. The communication unit comprises a C-Bus bus and a RS232 interface. The input circuit has the function of analog to digital signal and consists of an analog input circuit and an analog A/D input circuit. The utility model is characterized in low system cost, convenient installation and maintenance and used in buildings, industrial management and medium sized buildings, such as schools, hotels, office buildings, department stores, hospitals, etc.
Description
Technical field
The utility model relates to the building management technology, specifically a kind of new intelligent controller, belong to freely programmable, supervisory system, adopt up-to-date Direct Digital control technology (DDC), modular design, be specially adapted to building management, also be suitable for medium-sized building, as school, hotel, office building, market, hospital, Industry Control etc.The utility model also is widely used aspect the energy except the application aspect heating, ventilation and air-conditioning, comprises the optimization start-stop, and purify night, the peak load requirement.
Background technology
At present, domestic Direct Digital control technology (DDC) all is to adopt independently that input/output module designs, be connected with main controller module by communication buses such as RS485 or SPI, control strategy is realized in the main control module, input/output module is mainly finished the function of the collection and the control output of input data, it self does not have control function, and this version not only increases the cost of system, and can increase extra work to installation, the maintenance of system yet.
The utility model content
The purpose of this utility model is to provide the low and installation of a kind of system cost, intelligent controller easy to maintenance, both can be designed to independently control system in actual use, and also can many controllers be coupled together and form complicated control system by the C-Bus bus.
The technical solution of the utility model is as follows:
The utility model is by input circuit, analog quantity D/A output circuit, the switching value input circuit, the Single-chip Controlling unit, power circuit and communication unit six parts are formed, power circuit is electrically connected with Single-chip Controlling unit, input circuit, analog quantity D/A output circuit, switching value input circuit, communication unit respectively, communicates by letter with input circuit, analog quantity D/A output circuit, switching value input circuit respectively in the Single-chip Controlling unit, through communication unit and host computer or handheld device communication; Wherein said communication unit comprises C-Bus bus and RS232 interface two parts; Input circuit is made up of simulated measurement input circuit and analog quantity A/D input circuit;
Wherein said power circuit comprises rectifier bridge, switch voltage-stabilizing circuit, transformer, the first～two triode, reaches output comparator, wherein rectifier bridge input termination exchanges 24V, output terminal links to each other with the switch voltage-stabilizing circuit input end through capacitor filter, primary links to each other with switch voltage-stabilizing circuit and output comparator respectively, secondary output+15V ,+5V ,-the 6.7V operating voltage; Voltage reference circuit connects switch voltage-stabilizing circuit through photoelectric coupling circuit, the first triode input signal is from capacitor filter, its collector on the one hand through second triode of connecting with it to switch voltage-stabilizing circuit, link to each other with the output comparator input end on the other hand, comparator output terminal is through the microprocessor of photoelectric coupling circuit to the Single-chip Controlling unit;
Described Single-chip Controlling unit is by microprocessor, flash memory, the first～two RAM storer, the first～two eeprom memory; Latch, and the first～two logical circuit, wherein said microprocessor is furnished with crystal oscillator, be connected with flash memory, the first～two RAM storer, the first～two eeprom memory, latch and the first～two logical circuit respectively by multi-functional port, link to each other with the output signal or the control signal of second shift register of the digital to analog converter of the A/D converter of analog quantity A/D input circuit, analog quantity D/A output circuit, switching value input circuit, and by the C-Bus interface of communication unit or the communication of RS232 interface and host computer or handheld device;
Described input circuit is a multichannel, its circuit structure is identical, structure is: comprising: the three～four triode, first operational amplifier, first comparer, analog multichannel switch and first shift register, wherein: the three～four triode receives the gating signal of the microprocessor of Single-chip Controlling unit through first shift register, the input end of analog multichannel switch is delivered in its output successively through first operational amplifier and first comparer, the 1st～10 road output terminal of analog multichannel switch links to each other with microprocessor through A/D converter; The 11st, 12 tunnel of the output terminal of analog multichannel switch passes through multi-way switchs, links to each other with microprocessor through A/D converter;
Described analog quantity D/A output circuit is a multichannel, form by digital to analog converter, voltage reference, the five～six triode and the 13 operational amplifier, the voltage reference output terminal links to each other with digital to analog converter through the tenth four-operational amplifier, and through the 15 operational amplifier to the five triodes, the digital to analog converter control signal connects the microprocessor from the Single-chip Controlling unit, and digital to analog converter is the identical multichannel output of structure;
Described switching value input circuit is a multichannel, has identical circuit structure, wherein one the tunnel: form by second comparer, second shift register, the second comparer in-phase end input signal receives extraneous switching signal through connection terminal, oppositely termination compares voltage signal, output terminal links to each other with the second shift register input end, and the gating signal of second shift register connects the microprocessor from the Single-chip Controlling unit, and the output terminal serial signal links to each other with the microprocessor of Single-chip Controlling unit;
Described communication unit comprises C-Bus bus and RS232 interface two parts, specifically form by interface driving circuit, counter and interface driving circuit, wherein the interface driving circuit input end signal directly is connected with a serial ports of the microprocessor of Single-chip Controlling unit, and output terminal is connected to external unit; Counter and driving circuit are composed in series, and the input end of counter directly is connected with another serial ports of microprocessor, and the output terminal of driving circuit links to each other with output wiring terminal, to external unit; Described interface driving circuit constitutes isolated C-Bus interface driving circuit.
The utlity model has following advantage:
1. use simple.The utility model is with the input in the direct digital control system (DDC), output, control, unit modules such as communication all design in the utility model controller (forms the input circuit of analog quantity to digital quantity as simulated measurement input circuit and analog quantity A/D input circuit, analog quantity D/A output circuit, the switching value input circuit, the Single-chip Controlling unit, power circuit and communication unit), under the prerequisite that keeps traditional RS232 interface, increased the C-Bus bus interface again, the transfer rate of data and the integrated level of system have been improved, 30 utility model controllers can link together by the C-Bus bus, monitor in real time by upper computer software.The user can adopt patterned host computer programmed environment according to the application need of reality, and each input/output port of combination in any is easier to use, installation and maintenance in using at the scene.
2. practical.Owing to adopted the structural design of single Single-chip Controlling unit, the address of controller has only one, the Single-chip Controlling unit is directly undertaken by its port the operation of input, output point, changed existing DDC system and carried out the defective that data acquisition exists by communication interface and each input, output module, use the utility model to carry out address modification, setting by the host computer configuration software, and it is programmed, revise controlled variable or the like, parameter setting is once finished.The utility model controller can carry out independent control to input, output unit.The state of its communication and work all has the light emitting diode indication.The utility model is monitored in real time to the state in the operational process, each functional unit, thereby finishes the enforcement monitoring to system.
3. effect is obvious.The utility model controller is available one and forms an independently control system, also can form multilevel system by the C-Bus bus.The use user can select the number of the utility model controller, maximum 30, analog input amount 30 * 12=360 point according to input, the output point of control for use, imitated output quantity 30 * 12=360 point, switching value 24 * 30=720 point makes this controller use flexibly easy operating.
4. saving cost.Compare with existing DDC control system, the utility model controller is owing to adopted the notion of modular integrated structure, adopt single Single-chip Controlling cellular construction to design, therefore not only reduce self cost of control system, can also carry out system optimization to controlling object by the selected control algolithm of having worked out, realize the economical operation of controlled device, reduce unnecessary energy loss, reduced cost.
5. applied range.Though the utility model controller is at the building controlling Design, it is actually more economical DDC control system, and its technical indicator can make it be applied in fully in the environment for use different with building control; The utility model also is suitable for medium-sized building, as school, hotel, office building, market, hospital, Industry Control etc.
6. the independence of system
The utility model controller is to have the independently DDC Control work station of microprocessor and storer, therefore only need to place control on-the-spot a controller, in Air Conditioning Facilities, by portable computer the program input can be carried out decentralised control on the spot to field apparatus, all field data information will can access and check at any time in the controller stored.
7. the high reliability of system
Owing to possessed independent control function, control strategy is in controller inside, make under the situation that the substation quits work in center system, communication is broken off fully that the utility model controller forms, still can independently finish all control function, thereby guarantee the continuity and the reliability of control.In addition, the equipment at different levels in the system can be formed the Distributed Control System (DCS) of different stage or different structure organization forms at synchronization by the grid communication bus, thus the reliability and the dirigibility that have improved system to greatest extent.
Description of drawings
Fig. 1 is an electrical schematic diagram of the present utility model.
Fig. 2-1 be four road simulated measurement input circuits among Fig. 1 (one of) circuit theory diagrams.
Fig. 2-2 is the circuit theory diagrams of four road simulated measurement input circuits among Fig. 1 (two).
Fig. 2-3 is the circuit theory diagrams of four road simulated measurement input circuits among Fig. 1 (three).
Fig. 2-4 is the circuit theory diagrams of analog quantity A/D input circuit among Fig. 1.
Fig. 2-5 is the circuit theory diagrams of analog quantity D/A output circuit among Fig. 1.
Fig. 2-6 is the circuit theory diagrams of switching value input circuit among Fig. 1.
Fig. 2-7 is the circuit theory diagrams of Single-chip Controlling unit among Fig. 1.
Fig. 2-8 is communication unit circuit theory diagrams among Fig. 1.
Fig. 2-9 is the circuit theory diagrams of power circuit among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1, the utility model controller is formed the input circuit (be 12 tunnel analog quantitys or switching value) of analog quantity to digital quantity by simulated measurement input circuit and analog quantity A/D input circuit, respectively referring to Fig. 2-1,2-2,2-3,2-4), analog quantity D/A output circuit (is exported by 12 tunnel analog quantitys, see Fig. 2-5), switching value input circuit (12 tunnel, see Fig. 2-6), Single-chip Controlling unit (seeing Fig. 2-7), power circuit and communication unit (seeing Fig. 2-8) six parts are formed, wherein: powered by power circuit, the Single-chip Controlling unit respectively with have analog quantity to the input circuit of digital quantity function, analog quantity D/A output circuit, the switching value input circuit connects, through communication unit and host computer or handheld device communication.
See Fig. 2-9, described power circuit provides power supply for each circuit and functional unit, comprise rectifier bridge D904, switch voltage-stabilizing circuit D905, transformer T901, the first～two triode Q901～Q902, reach output comparator U909, wherein 24V is flowed in the selfing of rectifier bridge D904 input termination, output terminal links to each other with switch voltage-stabilizing circuit D905 input end through capacitor filter, transformer T901 is elementary to link to each other with switch voltage-stabilizing circuit D905 and output comparator U909 respectively, secondary three groups of operating voltage that provide through diode rectification and capacitor filtering; Voltage reference circuit U930 meets switch voltage-stabilizing circuit D905 through photoelectric coupling circuit, the first triode Q901 input signal is from capacitor filter, its collector on the one hand through the second triode Q902 that connects with it to switch voltage-stabilizing circuit D905, link to each other with output comparator U909 input end on the other hand, comparer U909 output terminal is through the microprocessor U201 of photoelectric coupling circuit to the Single-chip Controlling unit; Described three groups of voltages output: 5V (VCC), 15V (NET518) ,-6.7V (NET5 12).Input voltage is for exchanging 24V; Principle of work: convert DC voltage to after exchanging 24V input voltage process rectifier bridge D904, capacitor filter, give Switching Power Supply D905 (present embodiment adopts the LT1171 cake core) then, it and transformer T901 form the switching power circuit of isolating, behind diode rectification and capacitor filtering, form three groups of voltage outputs.
Fig. 2-7 is seen in the Single-chip Controlling unit.(present embodiment is a Toshiba by microprocessor U201 for it, 16, model: TMP93CS41F), (present embodiment is the FLASH of 512K memory capacity to flash memory U211, model: AT27LV512), the first～two RAM storer U205～U206 (every capacity is 128K, model: BS62LV1024TC), and the first～two eeprom memory U203～U204 (every capacity 512K of model: AT29F040); (present embodiment adopts 8 bit address to latch U202, data latches), and the first～two logical circuit U207～U209 (model: 74HC139), wherein said microprocessor U201 is furnished with crystal oscillator Y201, by multi-functional port intrinsic on it respectively with flash memory U211, the first～two RAM storer U205～U206, the first～two eeprom memory U203～U204, latch U202 and the first～two logical circuit U207～U209 communication, A/D converter U110 with analog quantity A/D input circuit, the digital to analog converter U307 of analog quantity D/A output circuit, the output signal of the second shift register U806 of switching value input circuit and control signal link to each other, and by the C-Bus interface of communication unit or the communication of RS232 interface and host computer or handheld device; Principle: but this Single-chip Controlling unit passes through the auto-update of the RS232 interface canbe used on line software of communication unit, and program is write among the flash memory U211.For the configuration parameter in the practical application, automatically be stored among the first～two eeprom memory U203, the U204, the Single-chip Controlling unit is mainly realized the data processing that is stored in the procedure parameter among the first～two RAM storer U205～U206, the enforcement of control strategy, also can realize the monitoring of field process parameter by the C-Bus interface of communication unit or the communication of the realization of RS232 interface and host computer or handheld device.
Analog quantity input of the present utility model is made up of simulated measurement input circuit and analog quantity A/D input circuit, referring to Fig. 2-1,2-2,2-3,2-4, it is identical that input channel has 12 tunnel, 12 tunnel circuit structure, for the 11st, 12 road input channel signals through multi-way switch U101 (model: 74HC4066) selecting input, is that example describes with wherein the first via below:
Referring to Fig. 2-1, input circuit comprises: the three～four triode Q501～Q502, the first operational amplifier U501A, the first comparer U507A, the first analog multichannel switch U502 and the first shift register U504, wherein: the three～four triode Q501～Q502 receives the gating signal of the microprocessor U201 of Single-chip Controlling unit through the first shift register U504, the input end of the first analog multichannel switch U502 is delivered in its output successively through the first operational amplifier U501A and the first comparer U507A, the output terminal of the first analog multichannel switch U502 is through A/D converter U110 (referring to Fig. 2-4) and microprocessor U201 link to each other (the 1st～10 the tunnel is identical).For the 11st, 12 tunnel (referring to Fig. 2-3): the output terminal of the five～six analog multichannel switch 702～703 through through multi-way switch U101, pass through A/D converter U110 (referring to Fig. 2-4) again and link to each other with microprocessor U201.
It still is that switching value is imported by software arrangements that this passage is operated in the analog quantity input, and the selection of passage gating signal and input signal is realized by the 11st, the 12 output pin sel1, the sel2 of the operation first shift register U504 (model is HEF4094) by microprocessor U201.The 11st output pin Sel1 is the input gating switch of first passage, it realizes the gating imported by the three～four triode Q501～Q502, input signal is delivered to the first analog multichannel switch U502 (model 74HC4053) by the first operational amplifier U501A and the first comparer U507A, the 12nd output pin sel2 is the gating signal of the first analog multichannel switch U502 control end A, the 12nd output pin sel2=0 during the analog quantity input, the 12nd output pin sel2=1 during the switching value input, the signal of first analog multichannel switch U502 output is given A/D converter U110 (TLC2543, it is the A/D conversion chip of 12 SPI interfaces), the first analog multichannel switch U502 SPI interface directly is connected with the pin of microprocessor U201, and the data after microprocessor U201 will change are read in its internal memory and handled.In fact the detection of this unit switch amount is judged the closed of switch by the A/D conversion value that reads AD converter U110 or is disconnected.
Analog quantity D/A output circuit, see Fig. 2-5, be 12 the tunnel, by digital to analog converter U307, voltage reference U308, the five～six triode Q301～Q302 and the 13 operational amplifier U301A form, with voltage reference U308 is that (voltage reference U308 output terminal links to each other with digital to analog converter U307 through the tenth four-operational amplifier U301C reference voltage, and through the 15 operational amplifier U301B to the five triode Q301), digital to analog converter U307 (present embodiment adopts AD8804 model chip) control signal meets the microprocessor U201 from the Single-chip Controlling unit, digital to analog converter U307 has 12 tunnel outputs, and circuit structure is identical.Be example with first via output circuit below:
Comprise by the 13 operational amplifier U301A and the five～six triode Q301～Q302 and diode, resistance etc. and form one road voltage follower circuit, the first via output signal of wherein said digital to analog converter U307 is sent into the in-phase input end of the 13 operational amplifier U301A, the 13 operational amplifier U301A output terminal is connected to the five～six triode Q301～Q302 through diode, and its voltage output voltage values is 2.5 times a digital to analog converter U307 first via output voltage values.Voltage reference U308 reference voltage is 2.5V, and the model that present embodiment adopts is LT1460.
The switching value input circuit is seen Fig. 2-6, is 12 the tunnel, and No. 12 input circuits of this unit have identical circuit structure, is that example is described below below with the first via:
By second comparer (U803A model: LM324), (8 bit parallels output is imported in serial to the second shift register U806, model: 74HC165)) forms, the second comparer U803A in-phase end input signal receives extraneous switching signal through connection terminal, reverse termination comparative voltage signal, output terminal links to each other with the second shift register U806 input end, the gating signal of the second shift register U806 meets the microprocessor U201 from the Single-chip Controlling unit, and the output terminal serial signal links to each other with the microprocessor U201 of Single-chip Controlling unit.
Principle: the switching signal of extraneous input is delivered to the in-phase end of the second comparer U803A, compare through voltage with its backward end setting, output signal is given the second shift register U806, link to each other with the microprocessor U201 of Single-chip Controlling unit, microprocessor U201 is by the different input pin gating of control U806, PG10 pin by microprocessor U201 just reads at the on off state of gating passage, finishes the input of switching value.
Communication unit, see Fig. 2-8, comprise C-Bus bus and RS232 interface two parts, concrete structure: by interface driving circuit U407 (model LT1137), counter U404 (12 2 systems, model 74HC4040, be used for realizing the automatic detection of baud rate with microprocessor U201) and isolated C-Bus interface driving circuit U418 (model MAX1480) composition, wherein interface driving circuit U407 is the RS232 interface chip for driving of standard, its input end signal directly is connected with the serial ports 0 of the microprocessor U201 of Single-chip Controlling unit, output termination through socket J401 to external unit; Counter U404 and driving circuit U418 are composed in series the C-Bus bus interface circuit of isolating fully on electric, the input end of counter U404 directly is connected with the serial ports 1 of microprocessor U201, the output terminal of driving circuit U418 links to each other with output wiring terminal, to external unit.
Simulated measurement input circuit can be imported 4-20mA electric current (outer meeting resistance) or input 0-10V voltage, also can import the potential-free contact switch; Analog quantity D/A output circuit output 0-10V voltage (12 tunnel) voltage; Described switching value input circuit is the inputs of 12 road potential-free contacts.
Single-chip Controlling unit: be connected with host computer by communication bus, finish setting to system.After setting was finished, the utility model can break away from control protocol and the program of host computer according to design, by imput output circuit the utility model is independently controlled.Also can be connected with the utility model communication, controlled device is monitored in real time by host computer.
The C-Bus bus system is the management system of two-wire system, and its bus network maximum length is 1200 meters, and this bus can connect 30 the utility model controllers.(UTP5) connects into network by a pair of signal wire.Each the utility model all is provided with unique element address and sets its function with software (prior art), controls each loop load by output circuit.Input circuit is set up corresponding contact by group address and output circuit.When input, the utility model changes input signal into the C-Bus bus signals broadcasts on the C-Bus bus, and all the utility model output circuits receive control signal and judge, the output of control corresponding circuit.The C-Bus bus is set by host computer, in case host computer was promptly removable after system's setting was finished.All systematic parameters are disperseed to be stored in each utility model controller, even system cut-off can not lost yet.In case host computer inserts in the C-Bus bus, then can realize real-time monitoring, functions such as timing controlled.
The communication baud rate of C-Bus bus can be selected between the 9.6-76.8 kilobaud.The RS232 bus can with host computer by this port be connected, communication, programming.Also can realize long-range connection by Modem.Maximum rate is 38.4 kilobauds.
Claims (8)
1. intelligent controller, it is characterized in that: by input circuit, analog quantity D/A output circuit, the switching value input circuit, the Single-chip Controlling unit, power circuit and communication unit six parts are formed, power circuit is electrically connected with Single-chip Controlling unit, input circuit, analog quantity D/A output circuit, switching value input circuit, communication unit respectively, communicate by letter with input circuit, analog quantity D/A output circuit, switching value input circuit respectively in the Single-chip Controlling unit, through communication unit and host computer or handheld device communication; Wherein said communication unit comprises C-Bus bus and RS232 interface two parts; Input circuit is made up of simulated measurement input circuit and analog quantity A/D input circuit.
2. according to the described intelligent controller of claim 1, it is characterized in that: described power circuit comprises rectifier bridge (D904), switch voltage-stabilizing circuit (D905), transformer (T901), the first～two triode (Q901～Q902), and output comparator (U909), wherein rectifier bridge (D904) input termination exchanges 24V, output terminal links to each other with switch voltage-stabilizing circuit (D905) input end through capacitor filter, transformer (T901) is elementary to link to each other with switch voltage-stabilizing circuit (D905) and output comparator (U909) respectively, secondary output+15V ,+5V ,-the 6.7V operating voltage; Voltage reference circuit (U930) connects switch voltage-stabilizing circuit (D905) through photoelectric coupling circuit, first triode (Q901) input signal is from capacitor filter, its collector on the one hand through second triode (Q902) of connecting with it to switch voltage-stabilizing circuit (D905), link to each other with output comparator (U909) input end on the other hand, comparer (U909) output terminal is through the microprocessor (U201) of photoelectric coupling circuit to the Single-chip Controlling unit.
3. according to the described intelligent controller of claim 1, it is characterized in that: described Single-chip Controlling unit is by microprocessor (U201), flash memory (U211), the first～two RAM storer (U205～U206), the first～two eeprom memory (U203～U204); Latch (U202), and the first～two logical circuit (U207～U209), wherein said microprocessor (U201) is furnished with crystal oscillator (Y201), by multi-functional port respectively with flash memory (U211), the first～two RAM storer (U205～U206), the first～two eeprom memory (U203～U204), the latch (U202) and the first～two logical circuit (U207～U209) connect, A/D converter (U110) with analog quantity A/D input circuit, the digital to analog converter of analog quantity D/A output circuit (U307), the output signal of second shift register (U806) of switching value input circuit or control signal link to each other, and by the C-Bus interface of communication unit or the communication of RS232 interface and host computer or handheld device.
4. according to the described intelligent controller of claim 1, it is characterized in that: described input circuit is a multichannel, its circuit structure is identical, structure is: comprising: and the three～four triode (Q501～Q502), first operational amplifier (U501A), first comparer (U507A), analog multichannel switch and first shift register (U504), wherein: (Q501～Q502) receives the gating signal of the microprocessor (U201) of Single-chip Controlling unit to the three～four triode through first shift register (U504), the input end of analog multichannel switch is delivered in its output successively through first operational amplifier (U501A) and first comparer (U507A), the 1st～10 road output terminal of analog multichannel switch links to each other with microprocessor (U201) through A/D converter (U110); The output terminal of analog multichannel switch the 11st, the 12 tunnel through multi-way switchs (U101), pass through A/D converter (U110) again and link to each other with microprocessor (U201).
5. according to the described intelligent controller of claim 1, it is characterized in that: described analog quantity D/A output circuit is a multichannel, by digital to analog converter (U307), voltage reference (U308), the five～six triode (form by Q301～Q302) and the 13 operational amplifier (U301A), voltage reference (U308) output terminal links to each other with digital to analog converter (U307) through the tenth four-operational amplifier (U301C), and through the 15 operational amplifier (U301B) to the 5th triode (Q301), digital to analog converter (U307) control signal connects the microprocessor (U201) from the Single-chip Controlling unit, and digital to analog converter (U307) is the identical multichannel output of structure.
6. according to the described intelligent controller of claim 1, it is characterized in that: described switching value input circuit is a multichannel, has identical circuit structure, wherein one the tunnel: by second comparer, second shift register (U806) is formed, second comparer (U803A) in-phase end input signal receives extraneous switching signal through connection terminal, oppositely termination compares voltage signal, output terminal links to each other with second shift register (U806) input end, the gating signal of second shift register (U806) connects the microprocessor (U201) from the Single-chip Controlling unit, and the output terminal serial signal links to each other with the microprocessor (U201) of Single-chip Controlling unit.
7. according to the described intelligent controller of claim 1, it is characterized in that: described communication unit comprises C-Bus bus and RS232 interface two parts, specifically form by interface driving circuit (U407), counter (U404) and interface driving circuit (U418), wherein interface driving circuit (U407) input end signal directly is connected with a serial ports of the microprocessor (U201) of Single-chip Controlling unit, and output terminal is connected to external unit; Counter (U404) and driving circuit (U418) are composed in series, and the input end of counter (U404) directly is connected with another serial ports of microprocessor (U201), and the output terminal of driving circuit U418 links to each other with output wiring terminal, to external unit.
8. according to the described intelligent controller of claim 7, it is characterized in that: described interface driving circuit (U418) constitutes isolated C-Bus interface driving circuit.
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| CN 200620091359 CN2921906Y (en) | 2006-06-02 | 2006-06-02 | Intelligent controller |
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| CN 200620091359 CN2921906Y (en) | 2006-06-02 | 2006-06-02 | Intelligent controller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101976052A (en) * | 2010-11-05 | 2011-02-16 | 天津工业大学 | Logic control device |
| CN102748314A (en) * | 2012-06-30 | 2012-10-24 | 李钢 | Special intelligent controller for energy-saving fan and control method of special intelligent controller |
| CN101320261B (en) * | 2008-02-27 | 2012-12-12 | 成都光码智能科技有限公司 | Hotel intelligent control system |
| CN108563189A (en) * | 2018-04-04 | 2018-09-21 | 沈机（上海）智能系统研发设计有限公司 | Electric Fault of Machine Tool diagnostic system |
| CN112255952A (en) * | 2020-10-29 | 2021-01-22 | 中国航发南方工业有限公司 | Digital electronic control device of gas turbine generator set |
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- 2006-06-02 CN CN 200620091359 patent/CN2921906Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320261B (en) * | 2008-02-27 | 2012-12-12 | 成都光码智能科技有限公司 | Hotel intelligent control system |
| CN101976052A (en) * | 2010-11-05 | 2011-02-16 | 天津工业大学 | Logic control device |
| CN101976052B (en) * | 2010-11-05 | 2013-01-02 | 天津工业大学 | Logic control device |
| CN102748314A (en) * | 2012-06-30 | 2012-10-24 | 李钢 | Special intelligent controller for energy-saving fan and control method of special intelligent controller |
| CN108563189A (en) * | 2018-04-04 | 2018-09-21 | 沈机（上海）智能系统研发设计有限公司 | Electric Fault of Machine Tool diagnostic system |
| CN108563189B (en) * | 2018-04-04 | 2020-03-27 | 沈机（上海）智能系统研发设计有限公司 | Machine tool electrical fault diagnosis system |
| CN112255952A (en) * | 2020-10-29 | 2021-01-22 | 中国航发南方工业有限公司 | Digital electronic control device of gas turbine generator set |
| CN112255952B (en) * | 2020-10-29 | 2022-04-01 | 中国航发南方工业有限公司 | Digital electronic control device of gas turbine generator set |
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