CN102505997A - Data parameter display control system for generator set - Google Patents
Data parameter display control system for generator set Download PDFInfo
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- CN102505997A CN102505997A CN2011103481353A CN201110348135A CN102505997A CN 102505997 A CN102505997 A CN 102505997A CN 2011103481353 A CN2011103481353 A CN 2011103481353A CN 201110348135 A CN201110348135 A CN 201110348135A CN 102505997 A CN102505997 A CN 102505997A
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Abstract
The invention relates to a data parameter display control system for a generator set. The system comprises a data acquisition processing part and a light emitting diode (LED) display control part, wherein the data acquisition processing part comprises a data acquisition processing circuit, a communication driving circuit and a power circuit; the LED display control part comprises an LED display control circuit and an LED display screen and a power module. The system has a long transmission distance, and can keep highly and synchronously displaying parameters of the generator set. During data transmission, redundancy transmission and error correction control are adopted, so that the interference resistance is high; furthermore, common-mode interference can be restrained effectively; moreover, a lightning prevention function is realized, so that the probability that a communication device is damaged by lightning is reduced; computer communication is totally isolated, and the system is reliably applied in a severe factory environment; therefore, the system is completely suitable for equipment monitoring and alarming of medium and large generator sets, and has a prospect of wide popularization and application in medium and large enterprises.
Description
Technical field
The present invention relates to be used for the monitoring equipment of generator set, particularly a kind of generator set data parameters display control program.
Background technique
In the production management process of generator set, generally take the monitoring of asynchronous monitoring or single-point, the defective that this mode exists video data synchronously perhaps can not the multiple spot multi-parameter to monitor simultaneously.
Summary of the invention
In view of the problem of above-mentioned existing technology situation and existence, the present invention provides a kind of generator set data parameters display control program.Design through native system; Can realize data such as the temperature in the generator set production process, pressure, power, power factor, continuous integration working time are shown in real time; And can show these data synchronously with different sub-control rooms at master-control room; If there is parameter to surpass normal value, then can multi-screen display alarm simultaneously information.
The technological scheme that the present invention takes is: a kind of generator set data parameters display control program; It is characterized in that: comprise data acquisition process part and LED display control section; Data acquisition process partly comprises data acquisition processing circuit, communication drive circuit and power circuit; The LED display control section comprises LED display control circuit, LED display and power module; Data acquisition processing circuit is connected with the communication drive circuit, and the communication drive circuit is connected with the LED display control circuit, and the LED display control circuit connects LED display; Power circuit connects data acquisition processing circuit and communication drive circuit respectively, and power module connects LED display control circuit and LED display respectively.
The data acquisition process of native system partly be responsible for each sensor signal of front end generator set gather, data transfer and quantification; Send to each LED display control section through industrial RS-485 bus then; The LED display control section is directly controlled LED display and is carried out each parameter roll display after the data that receive are handled by the turntable driving mode.
The beneficial effect that the present invention produced is: the native system long transmission distance, and can keep high level of synchronization to show the parameters of generator set.Data transmission adopts redundant transmission and error correction control, and antijamming capability is strong.Can effectively suppress common mode disturbances, and have lightning protection function, can reduce the probability that thunderbolt damages communication device greatly.Divorced from computer communication fully reliably is applied in factory's evil and omits in the environment.Be applicable to the monitoring of equipment and the warning of large and medium generator group fully, therefore have the prospect of wide popularization and application in large and medium-sized enterprise.
Description of drawings
Fig. 1 is a catenation principle block diagram of the present invention.
Fig. 2 is the data acquisition processing circuit schematic diagram.
Fig. 3 is a communication drive circuit schematic diagram.
Fig. 4 is power circuit principle figure.
Fig. 5 is a LED display control circuit schematic diagram.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.With reference to Fig. 1; Generator set data parameters display control program comprises data acquisition process part and LED display control section; Data acquisition process partly comprises data acquisition processing circuit, communication drive circuit and power circuit, and the LED display control section comprises LED display control circuit, LED display and power module, and data acquisition processing circuit is connected with the communication drive circuit; The communication drive circuit is connected with the LED display control circuit; The LED display control circuit connects LED display, and power circuit connects data acquisition processing circuit and communication drive circuit respectively, and power module connects LED display control circuit and LED display respectively.Adopting the model of power module is S-201-24.
Data acquisition processing circuit comprises No. one photo coupler IC1 (model is 6N317), single-chip microcomputer IC2 (model is STC12C5A60S2), two-way photo coupler IC3 (model is TCP521-2), clock chip IC4 (model is SD2405) and No. four photo coupler IC5 (model is TCP521-4); The communication drive circuit comprises isolates transceiver ic 6 (model is ADM2483) and isolates transceiver ic 7 (model is ADM2483); Power circuit comprises three terminal regulator U1 (model is 7850) and three terminal regulator U2 (model is 7850), two ac power supply AC and a DC electrical source DC; The LED display control circuit comprises single-chip microcomputer IC8 (model is STC12C5A60S2) and transceiver ic 9 (model is MAX487).
With reference to Fig. 2; 3 pin of data acquisition processing circuit RS-232 interface are connected with 2 pin of No. one photo coupler IC1 through resistance R 1; 5 pin of RS-232 interface connect 3 pin of No. one photo coupler IC1; 8 pin of No. one photo coupler IC1 connect power supply VCC end; 6 pin of No. one photo coupler IC1 connect 3 pin of single-chip microcomputer IC2, the 5 pin ground connection GND end of No. one photo coupler IC1, and 9 pin of single-chip microcomputer IC2 are through resistance R 2 ground connection GND end; 18 pin of single-chip microcomputer IC2 are connected with the end of crystal oscillator JT1 and an end of capacitor C 1 respectively; 19 pin of single-chip microcomputer IC2 are connected with the other end of crystal oscillator JT1 and an end of capacitor C 2 respectively, and the other end of capacitor C 2 is connected back ground connection GND end with the other end of capacitor C 1, and 40 pin of single-chip microcomputer IC2 connecting resistance are respectively arranged 1 pin of A1 and an end of capacitor C 3; The other end ground connection GND end of capacitor C 3; 2 pin of resistor chain A1,3 pin, 4 pin, 5 pin, 6 pin, 7 pin, 8 pin and 9 pin connect 1 pin, 2 pin, 3 pin, 4 pin, 33 pin, 34 pin, 12 pin and 13 pin of single-chip microcomputer IC2 respectively, and 28 pin of single-chip microcomputer IC2 connect 10 pin of photo coupler IC5 and an end of resistance R 12, and 27 pin of single-chip microcomputer IC2 connect 12 pin of No. four photo coupler IC5 and an end of resistance R 11; 24 pin of single-chip microcomputer IC2 connect 14 pin of No. four photo coupler IC5 and an end of resistance R 10; 23 pin of single-chip microcomputer IC2 connect 16 pin of No. four photo coupler IC5 and an end of resistance R 9, and 22 pin of single-chip microcomputer IC2 are connected with 3 pin of resistance R 8 with pilot bracket LED1 and LED2 through resistance R 6 respectively with 21 pin, and 14 pin of single-chip microcomputer IC2 are connected with 1 pin of resistance R 7 with pilot bracket LED1 and LED2 through resistance R 5 respectively with 15 pin; 2 pin of 2 pin of pilot bracket LED1 and 4 pin and pilot bracket LED2 with connect power supply VCC end after 4 pin are connected; Connect power supply VCC end after the other end of resistance R 9, resistance R 10, resistance R 11 and resistance R 12 connects, 9 pin of No. four photo coupler IC5 are connected back ground connection GND to be held with 11 pin, 13 pin and 15 pin, 4 pin of No. four photo coupler IC5,6 pin and meet nonlocal WGND after 8 pin are connected and hold; 7 pin of No. four photo coupler IC5,5 pin, 3 pin and 1 pin are connected with 2 pin, 3 pin, 4 pin and 16 pin of connector assembly SW1 through resistance R 13, resistance R 14, resistance R 15 and resistance R 16 respectively; 1 pin of connector assembly SW1 connects external power WHV end, the 8 pin ground connection GND end of clock chip IC4, and 12 pin of clock chip IC4 connect power supply VCC end; 11 pin of clock chip IC4,10 pin and 9 pin connect 12 pin, 33 pin and 32 pin of single-chip microcomputer IC2 respectively; 2 pin of interface J1 with meet external power 5V after 4 pin are connected, 1 pin of interface J1 is connected with 3 pin with 1 pin of two-way photo coupler IC3 with resistance R 4 through resistance R 3 respectively with 3 pin, 2 pin of two-way photo coupler IC3 with connect nonlocal WGND end after 4 pin are connected; 8 pin of two-way photo coupler IC3 and 6 pin connect 13 pin and 1 pin of single-chip microcomputer IC2 respectively, and 7 pin of two-way photo coupler IC3 are connected back ground connection GND end with 5 pin.
With reference to Fig. 3; 1 pin that the communication drive circuit is isolated transceiver ic 6 and 7 pin with meet power supply VCC after an end of capacitor C 4 is connected and hold; 2 pin of isolating transceiver ic 6 are connected back ground connection GND end with 8 pin with the other end of capacitor C 4; 4 pin of isolating transceiver ic 6 and 2 pin that meet single-chip microcomputer IC2 after 5 pin are connected; 16 pin of isolating transceiver ic 6 meet external power 5V; 15 pin of isolating transceiver ic 6 with meet nonlocal WGND after 9 pin are connected and hold; 12 pin of isolating transceiver ic 6 and 1 pin that connects the RS-485-1 interface after the end of an end of resistance R 17 and lightning protection device V1 is connected, 13 pin of isolation transceiver ic 6 and 2 pin that connect the RS-485-1 interface after the end of the other end of resistance R 17 and lightning protection device V2 is connected, the other end of lightning protection device V1 with meet nonlocal WGND after the other end of lightning protection device V2 is connected and hold; 1 pin of isolating transceiver ic 7 with meet power supply VCC after 7 pin are connected and hold; 2 pin of isolating transceiver ic 7 are connected back ground connection GND end with 8 pin, 16 pin of isolating transceiver ic 7 with meet nonlocal WGND after the other end of capacitor C 5 is connected and hold, 12 pin of isolation transceiver ic 7 and 1 pin that connects the RS-485-2 interface after the end of an end of resistance R 18 and transition inhibition diode V3 is connected; The other end that 13 pin of isolating transceiver ic 7 and 2 pin that connect the RS-485-2 interface after the end that the other end and the transition of resistance R 18 suppress diode V4 is connected, transition suppress diode V3 with meet nonlocal WGND after the other end of transition inhibition diode V4 is connected and hold.
With reference to Fig. 4; 1 pin of power circuit ac power supply AC8.5V is connected with the negative pole of the positive pole of diode D2 and diode D4; 2 pin of ac power supply AC8.5V are connected with the negative pole of the positive pole of diode D1 and diode D3; The anode of the negative pole of the negative pole of diode D1, diode D2 and electrochemical capacitor C7 is connected with 1 pin of three terminal regulator U1; The negative terminal of the negative terminal of the positive pole of the positive pole of diode D3, diode D4, electrochemical capacitor C7 and electrochemical capacitor C8 is connected back ground connection GND end with 2 pin of three terminal regulator U1; 3 pin of three terminal regulator U1 with connect power supply VCC end after the anode of electrochemical capacitor C8 is connected; 1 pin of ac power supply AC15V is connected with the negative pole of the positive pole of diode D6 and diode D8, and 2 pin of ac power supply AC15V are connected with the negative pole of the positive pole of diode D5 and diode D7, and an end of the negative pole of the negative pole of diode D5, diode D6, the anode of electrochemical capacitor C9 and capacitor C 6 is connected with 1 pin of three terminal regulator U2; The other end of the negative terminal of the positive pole of the positive pole of diode D7, diode D8, electrochemical capacitor C9 and capacitor C 6 with connect nonlocal WGND end after 2 pin of three terminal regulator U2 are connected; 3 pin of three terminal regulator U2 meet external power 5V, and 1 pin of DC electrical source DC connects nonlocal WGND end, and 2 pin of DC electrical source DC connect external power WHV end.
With reference to Fig. 5,1 pin of LED display control circuit single-chip microcomputer IC8 is connected with 5 pin of interface J2, and 6 pin of interface J2 connect 28 pin of single-chip microcomputer IC8; 7 pin of interface J2 and 8 pin ground connection GND end, 9 pin of interface J2 and 10 pin connect 3 pin and 27 pin of single-chip microcomputer IC8 respectively, and 16 pin of interface J2,15 pin, 14 pin and 13 pin are connected with 22 pin, 23 pin, 24 pin and 25 pin of single-chip microcomputer IC8 respectively; 3 pin of single-chip microcomputer IC8 are connected with 6 pin, and 11 pin of single-chip microcomputer IC8 are connected with the negative pole of LED 1 through resistance R 19, and the positive pole of LED 1 connects power supply VCC end; 14 pin of single-chip microcomputer IC8 connect the end of crystal oscillator JT2 and an end of capacitor C 11, and 15 pin of single-chip microcomputer IC8 connect the other end of crystal oscillator JT2 and an end of capacitor C 12, the end of the 15 pin connecting resistance R20 of single-chip microcomputer IC8; The 16 pin ground connection GND end of single-chip microcomputer IC8, the other end of capacitor C 11 and capacitor C 12 are connected back ground connection GND end, and 29 pin of single-chip microcomputer IC8 are connected with an end of resistance R 21 and resistance R 22; The other end ground connection GND end of resistance R 21; Another termination power VCC end of resistance R 22,30 pin of single-chip microcomputer IC8,31 pin, 32 pin, 33 pin, 34 pin, 35 pin, 36 pin and 37 pin are connected the back respectively and are connected with 9 pin, 10 pin, 11 pin, 12 pin, 13 pin, 14 pin, 15 pin and 16 pin of connector assembly SW2 with the end of resistance R 24, R25, R26, R27, R28, R29, R30 and R31, and 38 pin of single-chip microcomputer IC8 are through capacitor C 10 ground connection GND end; 1 pin of connector assembly SW2,2 pin, 3 pin, 4 pin, 5 pin, 6 pin, 7 pin and 8 pin are connected back ground connection GND end; 42 pin of single-chip microcomputer IC8 connect 1 pin of transceiver IC9, and 17 pin of single-chip microcomputer IC8 connect 2 pin and 3 pin of transceiver IC9, and 43 pin of single-chip microcomputer IC8 connect 4 pin of transceiver IC9; Connect power supply VCC end through resistance R 23 simultaneously; The 5 pin ground connection GND end of transceiver ic 9,6 pin of transceiver ic 9 are connected with 3 pin with 4 pin of interface J3 respectively with 7 pin, the 2 pin ground connection GND end of interface J3; 1 pin of interface J3 connects power supply VCC end; 8 pin of transceiver ic 9 with connect power supply VCC end after an end of capacitor C 13 is connected, the other end ground connection GND end of capacitor C 13,1 pin of interface J2,2 pin and 3 pin ground connection GND end; 4 pin of interface J2 connect 26 pin of single-chip microcomputer IC8; 1 pin of interface J4 connects power supply VCC end, and 2 pin of interface J4 and 3 pin connect 5 pin and 7 pin of single-chip microcomputer IC8 respectively, the 4 pin ground connection GND end of interface J4.
Data acquisition process part principle: data acquisition process part is to isolate and convert Transistor-Transistor Logic level into through isolating transceiver ic 6 after the RS485 digital signal with sensor 4-20mA signal conversion, is input to single-chip microcomputer IC2 then and carries out data processing.A1 draws resistance row on the 10K, capacitor C 3, C4, C5 and C6 are power supply coupling capacitor.IC4 is a clock chip, shows for display screen provides date and time.Resistance R 5, R6, R7 and R8 and tutorial light LED1 and LED2 outer installment input signal input to single-chip microcomputer IC2 through connector assembly SW1 and handle after No. four photo coupler IC5 light-coupled isolations.Crystal oscillator JT1, capacitor C 1 and C2 form oscillating circuit provides CLK clock for single-chip microcomputer IC2.Interchange 8.5V power supply, offers devices such as single-chip microcomputer IC2 and clock chip IC4 again and uses as internal electric source after capacitor C 7 filtering are 5V to three terminal regulator U1 voltage stabilizing through diode D1, D2, D3 and D4 rectification behind capacitor C 8 low frequency filterings.Exchange the 15V power supply through diode D5, D6, D7 and D8 rectification after three terminal regulator U2 voltage stabilizing is given in capacitor C 9 and C6 filtering is to offer two-way photo coupler IC3 behind the 5V, isolate transceiver ic 6, isolate devices such as transceiver ic 7 and use as external power supply.Resistance R 17 is the communication terminal build-out resistor with R18.V1, V2, V3, V4 are the communication lightning protection component.Data after single-chip microcomputer IC2 handles are exported to the LED display control section through isolating transceiver ic 7 isolation and converting the RS-485 signal into.J1 is second synchronizing signal and power station continuous integration input signal working time.Second, synchronizing signal needed to export second interrupt signal to the LED part of data acquisition by DCS DO as data capture and other DCS system maintenance synchronously, and DO is the pure switch contact signal in not charged source.Second, synchronizing signal should be the 500ms connection, and 500ms breaks off.Power station continuous integration working time for through DCS DO contacting for picking up counting, the contact is broken as and stops timing, during timing, contact DO need keep on-state.When stopping timing, show that then former timing time is constant, when timing once more then from 0 reclocking.
LED display control section principle: data-signal is input to transceiver ic 9 through the RS485A and the RS485B of J3 mouth, converts differential signal into Transistor-Transistor Logic level and handles for single-chip microcomputer IC8.LED 1 is work and communication tutorial light.It is that transceiver ic 9 provides CLK clock that crystal oscillator JT2, capacitor C 11 and C12 form oscillating circuit.J3 is that burning program is used internal interface.C10 and C13 are power supply coupling capacitor.R24-R31 is a single-chip microcomputer IC8 pull-up resistor.Connector assembly SW2 is that this LED display control section address code is set usefulness, shows with distinguishes data.R19 and R20 are low voltage resetting resistance, and it is anti-interference to be used for increasing single-chip microcomputer IC8.J2 is a signal output part, is used for connecting the LED display interface.LA, LB, LC, LD are that display screen line is selected the address.RDEN is that data receive the selecting side.R1, R2 are half screen data output end up and down.LT is that data latch end, and SK is the data clock end.During video data, when a certain road signal during less than 4mA, then data display is * * .* (according to a corresponding data bits), to point out this road abnormal signal or not connect., data then can show notebook data by quickflashing when reporting to the police.When all video datas are 0 when an integer-bit high position, then do not show, but display position is constant.
Native system has good system function dilatancy and technology upgrading property.Can carry out the real-time roll display of multi-screen to a plurality of parameters, need not transmission distance is carried out manual adjustment.
Technical characterstic:
1, long transmission distance, a plurality of display screens can be at a distance of more than 1 kilometer.
2, data transmission adopts redundant transmission and error correction control, and antijamming capability is strong.Can effectively suppress common mode disturbances, and have lightning protection function, the lightning protection ability is 5kV.
3, show each supplemental characteristic in real time, have data average value filtering function.
4, have threshold values alarm indication function, flicker demonstration automatically when outlier appears in data.
5, can carry out range ability adjustment to video data, can be provided with and show filtering average time, in order to satisfy multiple display requirement.
6, write down automatically and power-down data protection fault time.
Mosaic screen and on-the-spot service condition: the scene is generally multiple spot and monitors simultaneously, and display parameters are optional.Communication distance is generally between the 300-600 rice, on-the-spot serious interference, and surpassing in data needs alarm indication when threshold values is set.Reliability requirement to whole system is very high, is long-time uninterrupted running continuously.
(1) data acquisition process part
Output interface: RS-485; Analog signal data resolution: 16; Supply voltage: AC220V 50Hz; Environmental Conditions temperature :-20 ℃～60 ℃; Relative moisture: 0～90% (non-condensing).
(2) LED display control section
Input interface: RS-485; Support LED cell board quantity: 256 (pieces); Frame refresh rate: 125 frame/seconds; Scanning method: 1/16 (OK); Supply voltage: 5V; Environmental Conditions temperature :-20 ℃～60 ℃; Relative moisture: 0～90% (non-condensing).
In sum; Generator set data parameters display control program has great potential in the field; The necessary condition of multinomial current social development trend such as it can satisfy efficiently, energy-saving and environmental protection; Show controlling mechanism for the user provides the highest system of cost performance, the development that promotes this series products is had important meaning.For equipment control improves automatization level, reduces operation cost in the management process, enhances productivity, improves constantly the application market rate and will produce important practical sense and bigger far-reaching significance, create the system of most worthy for society.
Claims (6)
1. generator set data parameters display control program; It is characterized in that: comprise data acquisition process part and LED display control section; Data acquisition process partly comprises data acquisition processing circuit, communication drive circuit and power circuit, and the LED display control section comprises LED display control circuit, LED display and power module, and data acquisition processing circuit is connected with the communication drive circuit; The communication drive circuit is connected with the LED display control circuit; The LED display control circuit connects LED display, and power circuit connects data acquisition processing circuit and communication drive circuit respectively, and power module connects LED display control circuit and LED display respectively.
2. generator set data parameters display control program as claimed in claim 1 is characterized in that: said data acquisition processing circuit comprises No. one photo coupler IC1, single-chip microcomputer IC2, two-way photo coupler IC3, clock chip IC4 and No. four photo coupler IC5; Said communication drive circuit comprises isolates transceiver ic 6 and isolates transceiver ic 7; Said power circuit comprises three terminal regulator U1 and three terminal regulator U2, two ac power supply AC and a DC electrical source DC; Said LED display control circuit comprises single-chip microcomputer IC8 and transceiver ic 9.
3. generator set data parameters display control program as claimed in claim 2; It is characterized in that: 3 pin of said data acquisition processing circuit RS-232 interface are connected with 2 pin of No. one photo coupler IC1 through resistance R 1; 5 pin of RS-232 interface connect 3 pin of No. one photo coupler IC1; 8 pin of No. one photo coupler IC1 connect power supply VCC end; 6 pin of No. one photo coupler IC1 connect 3 pin of single-chip microcomputer IC2, the 5 pin ground connection GND end of No. one photo coupler IC1, and 9 pin of single-chip microcomputer IC2 are through resistance R 2 ground connection GND end; 18 pin of single-chip microcomputer IC2 are connected with the end of crystal oscillator JT1 and an end of capacitor C 1 respectively; 19 pin of single-chip microcomputer IC2 are connected with the other end of crystal oscillator JT1 and an end of capacitor C 2 respectively, and the other end of capacitor C 2 is connected back ground connection GND end with the other end of capacitor C 1, and 40 pin of single-chip microcomputer IC2 connecting resistance are respectively arranged 1 pin of A1 and an end of capacitor C 3; The other end ground connection GND end of capacitor C 3; 2 pin of resistor chain A1,3 pin, 4 pin, 5 pin, 6 pin, 7 pin, 8 pin and 9 pin connect 1 pin, 2 pin, 3 pin, 4 pin, 33 pin, 34 pin, 12 pin and 13 pin of single-chip microcomputer IC2 respectively, and 28 pin of single-chip microcomputer IC2 connect 10 pin of photo coupler IC5 and an end of resistance R 12, and 27 pin of single-chip microcomputer IC2 connect 12 pin of No. four photo coupler IC5 and an end of resistance R 11; 24 pin of single-chip microcomputer IC2 connect 14 pin of No. four photo coupler IC5 and an end of resistance R 10; 23 pin of single-chip microcomputer IC2 connect 16 pin of No. four photo coupler IC5 and an end of resistance R 9, and 22 pin of single-chip microcomputer IC2 are connected with 3 pin of resistance R 8 with pilot bracket LED1 and LED2 through resistance R 6 respectively with 21 pin, and 14 pin of single-chip microcomputer IC2 are connected with 1 pin of resistance R 7 with pilot bracket LED1 and LED2 through resistance R 5 respectively with 15 pin; 2 pin of 2 pin of pilot bracket LED1 and 4 pin and pilot bracket LED2 with connect power supply VCC end after 4 pin are connected; Connect power supply VCC end after the other end of resistance R 9, resistance R 10, resistance R 11 and resistance R 12 connects, 9 pin of No. four photo coupler IC5 are connected back ground connection GND to be held with 11 pin, 13 pin and 15 pin, 4 pin of No. four photo coupler IC5,6 pin and meet nonlocal WGND after 8 pin are connected and hold; 7 pin of No. four photo coupler IC5,5 pin, 3 pin and 1 pin are connected with 2 pin, 3 pin, 4 pin and 16 pin of connector assembly SW1 through resistance R 13, resistance R 14, resistance R 15 and resistance R 16 respectively; 1 pin of connector assembly SW1 connects external power WHV end, the 8 pin ground connection GND end of clock chip IC4, and 12 pin of clock chip IC4 connect power supply VCC end; 11 pin of clock chip IC4,10 pin and 9 pin connect 12 pin, 33 pin and 32 pin of single-chip microcomputer IC2 respectively; 2 pin of interface J1 with meet external power 5V after 4 pin are connected, 1 pin of interface J1 is connected with 3 pin with 1 pin of two-way photo coupler IC3 with resistance R 4 through resistance R 3 respectively with 3 pin, 2 pin of two-way photo coupler IC3 with connect nonlocal WGND end after 4 pin are connected; 8 pin of two-way photo coupler IC3 and 6 pin connect 13 pin and 1 pin of single-chip microcomputer IC2 respectively, and 7 pin of two-way photo coupler IC3 are connected back ground connection GND end with 5 pin.
4. generator set data parameters display control program as claimed in claim 2; It is characterized in that: 1 pin that said communication drive circuit is isolated transceiver ic 6 and 7 pin with meet power supply VCC after an end of capacitor C 4 is connected and hold; 2 pin of isolating transceiver ic 6 are connected back ground connection GND end with 8 pin with the other end of capacitor C 4; 4 pin of isolating transceiver ic 6 and 2 pin that meet single-chip microcomputer IC2 after 5 pin are connected; 16 pin of isolating transceiver ic 6 meet external power 5V; 15 pin of isolating transceiver ic 6 with meet nonlocal WGND after 9 pin are connected and hold; 12 pin of isolating transceiver ic 6 and 1 pin that connects the RS-485-1 interface after the end of an end of resistance R 17 and lightning protection device V1 is connected, 13 pin of isolation transceiver ic 6 and 2 pin that connect the RS-485-1 interface after the end of the other end of resistance R 17 and lightning protection device V2 is connected, the other end of lightning protection device V1 with meet nonlocal WGND after the other end of lightning protection device V2 is connected and hold; 1 pin of isolating transceiver ic 7 with meet power supply VCC after 7 pin are connected and hold; 2 pin of isolating transceiver ic 7 are connected back ground connection GND end with 8 pin, 16 pin of isolating transceiver ic 7 with meet nonlocal WGND after the other end of capacitor C 5 is connected and hold, 12 pin of isolation transceiver ic 7 and 1 pin that connects the RS-485-2 interface after the end of an end of resistance R 18 and transition inhibition diode V3 is connected; The other end that 13 pin of isolating transceiver ic 7 and 2 pin that connect the RS-485-2 interface after the end that the other end and the transition of resistance R 18 suppress diode V4 is connected, transition suppress diode V3 with meet nonlocal WGND after the other end of transition inhibition diode V4 is connected and hold.
5. generator set data parameters display control program as claimed in claim 2; It is characterized in that: 1 pin of said power circuit ac power supply AC8.5V is connected with the negative pole of the positive pole of diode D2 and diode D4; 2 pin of ac power supply AC8.5V are connected with the negative pole of the positive pole of diode D1 and diode D3; The anode of the negative pole of the negative pole of diode D1, diode D2 and electrochemical capacitor C7 is connected with 1 pin of three terminal regulator U1; The negative terminal of the negative terminal of the positive pole of the positive pole of diode D3, diode D4, electrochemical capacitor C7 and electrochemical capacitor C8 is connected back ground connection GND end with 2 pin of three terminal regulator U1; 3 pin of three terminal regulator U1 with connect power supply VCC end after the anode of electrochemical capacitor C8 is connected; 1 pin of ac power supply AC15V is connected with the negative pole of the positive pole of diode D6 and diode D8, and 2 pin of ac power supply AC15V are connected with the negative pole of the positive pole of diode D5 and diode D7, and an end of the negative pole of the negative pole of diode D5, diode D6, the anode of electrochemical capacitor C9 and capacitor C 6 is connected with 1 pin of three terminal regulator U2; The other end of the negative terminal of the positive pole of the positive pole of diode D7, diode D8, electrochemical capacitor C9 and capacitor C 6 with connect nonlocal WGND end after 2 pin of three terminal regulator U2 are connected; 3 pin of three terminal regulator U2 meet external power 5V, and 1 pin of DC electrical source DC connects nonlocal WGND end, and 2 pin of DC electrical source DC connect external power WHV end.
6. generator set data parameters display control program as claimed in claim 2 is characterized in that: 1 pin of said LED display control circuit single-chip microcomputer IC8 is connected with 5 pin of interface J2, and 6 pin of interface J2 connect 28 pin of single-chip microcomputer IC8; 7 pin of interface J2 and 8 pin ground connection GND end, 9 pin of interface J2 and 10 pin connect 3 pin and 27 pin of single-chip microcomputer IC8 respectively, and 16 pin of interface J2,15 pin, 14 pin and 13 pin are connected with 22 pin, 23 pin, 24 pin and 25 pin of single-chip microcomputer IC8 respectively; 3 pin of single-chip microcomputer IC8 are connected with 6 pin, and 11 pin of single-chip microcomputer IC8 are connected with the negative pole of LED 1 through resistance R 19, and the positive pole of LED 1 connects power supply VCC end; 14 pin of single-chip microcomputer IC8 connect the end of crystal oscillator JT2 and an end of capacitor C 11; 15 pin of single-chip microcomputer IC8 connect the other end of crystal oscillator JT2 and an end of capacitor C 12, the end of the 15 pin connecting resistance R20 of single-chip microcomputer IC8, the 16 pin ground connection GND end of single-chip microcomputer IC8; The other end of capacitor C 11 and capacitor C 12 is connected back ground connection GND end; 29 pin of single-chip microcomputer IC8 are connected with an end of resistance R 21 and resistance R 22, the other end ground connection GND end of resistance R 21, another termination power VCC end of resistance R 22; 30 pin of single-chip microcomputer IC8,31 pin, 32 pin, 33 pin, 34 pin, 35 pin, 36 pin and 37 pin are connected the back respectively and are connected with 9 pin, 10 pin, 11 pin, 12 pin, 13 pin, 14 pin, 15 pin and 16 pin of connector assembly SW2 with the end of resistance R 24, R25, R26, R27, R28, R29, R30 and R31; 38 pin of single-chip microcomputer IC8 are through capacitor C 10 ground connection GND end, and 1 pin of connector assembly SW2,2 pin, 3 pin, 4 pin, 5 pin, 6 pin, 7 pin and 8 pin are connected back ground connection GND end, and 42 pin of single-chip microcomputer IC8 connect 1 pin of transceiver IC9; 17 pin of single-chip microcomputer IC8 connect 2 pin and 3 pin of transceiver IC9; 43 pin of single-chip microcomputer IC8 connect 4 pin of transceiver IC9, connect power supply VCC end through resistance R 23 simultaneously, the 5 pin ground connection GND end of transceiver ic 9; 6 pin of transceiver ic 9 are connected with 3 pin with 4 pin of interface J3 respectively with 7 pin; The 2 pin ground connection GND of interface J3 end, 1 pin of interface J3 connect power supply VCC end, 8 pin of transceiver ic 9 with meet power supply VCC after an end of capacitor C 13 is connected and hold; The other end ground connection GND end of capacitor C 13; 1 pin of interface J2,2 pin and 3 pin ground connection GND end, 4 pin of interface J2 connect 26 pin of single-chip microcomputer IC8, and 1 pin of interface J4 connects power supply VCC end; 2 pin of interface J4 and 3 pin connect 5 pin and 7 pin of single-chip microcomputer IC8 respectively, the 4 pin ground connection GND end of interface J4.
Priority Applications (1)
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| CN102505997B (en) | 2014-01-15 |
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