CN2436973Y - Oiling distributing controller for microcomputer - Google Patents

Abstract

The utility model provides an oil distributing controller for a microcomputer, which is used for the distributing and managing of liquid oil. The utility model is characterized in that a core control part is a single chip computer microprocessor, and the utility model is provided with an automatic timing circuit, a power supply monitoring and protecting circuit, a dynamic/static memory, an output/input photoelectric isolator, a detection device, a digital pipe display, a digital keyboard and a miniature printer. The utility model is used for the distributing and managing of the liquid oil in departments, such as a factory, a mine, a railway, a traffic, etc. The utility model can also carry out networking management for data and statistical reports sent by users through the microcomputer. The utility model has the advantages of accurate count, clear display, convenient operation, high-speed measurement, high statistical precision, high anti-interference and various oil material distributing at the same time.

Description

Microcomputer hair oil controller

The utility model relates to the microcomputer process controller that a kind of liquid fat is provided, particularly a kind of microcomputer hair oil controller.

At present, in the daily production run of departments such as factory, mine, railway, traffic, the granting of its liquid fat all is by manual operation, because the liquid fat viscosity is big, the course of work wastes time and energy, quantitative statistics is difficult for accurately, the complicated backwardness of production management, not only cause waste easily, also do not meet the demand of modern production and management.

The purpose of this utility model provides a kind of electromechanical integrated device-microcomputer hair oil controller that is one by the grease granting of liquid collecting attitude and the measuring control of microcomputer control, control by microcomputer, realization is to automatic detection, counting, demonstration, accumulative total and the printing of hair oil process, and can add microcomputer RS232 communication interface and centralized management facility according to actual needs, so that user's granting data and statistical report form carried out network management.

The utility model is realized by following technical scheme: it is powered to microcomputer hair oil controller by dc power supply unit, the action of microcomputer hair oil controller control forceful electric power, and monitor the work of whole hair oil system by the road with topworkies such as valves, microcomputer hair oil controller is provided with singlechip microprocessor, the self-clocking circuit, keyboard/display interface unit, decoder driver circuit, charactron display and numeric keypad, power monitoring and holding circuit, the electrically-erasable storer, input isolator, pick-up unit, the output isolator, serial line interface level translator and mini-printer; Its core control section is a singlechip microprocessor; include static state and dynamic storage; the reset terminal of singlechip microprocessor and self-clocking circuit join; the low eight bit data output terminal of singlechip microprocessor and the data input pin of programmable keyboard/display interface unit join; the low eight bit data input end and the power monitoring/protection/electrically-erasable memory cell of singlechip microprocessor join; the serial data input/output signal end of singlechip microprocessor joins through serial line interface level translator and mini-printer; the signal output part of pick-up unit links to each other with the high eight-bit data input pin of singlechip microprocessor through input isolator; the high eight-bit data output end of singlechip microprocessor links to each other with high-voltage relay through the output isolator, and keyboard/display interface unit connects digital tube display and keyboard circuit through decoder driver circuit.

The utility model has the advantages that:

1, improve work quality: can detect, measure, show the instant of each quasi-grease and accumulative total granting amount at any time, counting accurately, clear display, easy and simple to handle, metering speed is fast, statistical precision is high.

2, increase work efficiency: can set in advance, provide simultaneously, switch and show multiple oil plant, solve the work present situation that people when hand-manipulated can only provide a kind of oil plant simultaneously, also improve the unit interval utilization factor of equipment.

3, strong interference immunity: can adapt to the objective environment that oily temperature variation, power-supply fluctuation and signal disturb.

4, suitable centralized management:, can carry out centralized management and control to granting data, calculation of price, statistical report form owing to have telecommunication and microcomputer network function.

5, applied range: can be used for factory, mine, railway, traffic etc. and need carry out the production division that liquid fat is provided.

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is the utility model schematic block circuit diagram.

Fig. 2 is the utility model control circuit schematic diagram.

Fig. 3 is the utility model photoelectric isolating circuit schematic diagram.

Fig. 4 is the utility model display circuit schematic diagram.

Fig. 5 is the utility model control system synoptic diagram.

Number in the figure is described as follows:

1, hair oil controller 2, electric control cabinet 3, auto-closing retaining valve

4, oil pump 5, storage tank 6, oil trap

7, signal cable 8, power cable

In Fig. 2; the core cpu control section of microcomputer hair oil controller is the IC-89C52 singlechip microprocessor; include the ROM storer of 8K and the RAM storer of 256byte; the control program of hair oil device and printing; setting program is all write among the ROM kernel software as this device; the clock unit that the clock of CPU is made up of the brilliant shake of 12M provides; the RST reset terminal joins with the clear circuit of being made up of T10 with by the self-clocking circuit that the IC-X25045 chip is formed; the IC-X25045 chip also has the EEPROM storage; power monitoring and defencive function; the low eight bit data output terminal (P0) of CPU; join with the data input pin of programmable keyboard/display interface chip IC-8279; the low eight bit data input end (P1) of CPU joins with the output terminal of IC-X25045 chip, and serial data input/output signal end RXD and the TXD of CPU join through RS232 serial line interface level translator IC-MAX232 and mini-printer.

The charactron display adopts the scanning display mode in Fig. 2, Fig. 4, the signal of CPU output is through programmable keyboard/display interface chip IC-8279 control, export to BCD-to-decimal decoder IC-4082 and carry out the code system conversion, and be connected to charactron display control end through driving circuit IC-ULN2803, the video data end (OUT) of IC-8279 interface chip drives each section display end that is connected to the charactron display through eight road triodes, and triode T9, T13, T14 are used to show the state of measurement unit.

It is IC-TLP521 that input in Fig. 2, Fig. 3, output isolator adopt multichannel photoisolator model, the output signal of pick-up unit is connected to the input end of four tunnel input photoisolators, is connected to the high eight-bit data input pin (P3) of CPU after photoelectricity is isolated conversion; The output order of CPU is connected to the input end of six tunnel output photoisolators, joins with the driving triode after photoelectricity is isolated conversion, and the collector that drives triode is connected to corresponding high-voltage relay.

In Fig. 5, form the hair oil control system by hair oil controller (1), electric control cabinet (2), auto-closing retaining valve (3), transfer pump (4), storage tank (5), oil trap (6), signal cable (7), power cable (8).The front panel of hair oil controller is equipped with mini-printer, six figure place sign indicating number demonstrations, function key, digital input key, reset key and power switch.At first import setup parameters such as hair oil kind, quantity, hair oil job number, the oily job number of neck after starting the hair oil controller by keyboard, these parameters are stored in the CPU storer, execute key by function key sends execution command, computing and comparison by microprocessor, control signal is exported to photoisolator, the photoisolator action, its contact starts the work of hair oil device, nixie display shows the oil kind code name of granting and the counter value of instant granting amount, the first five position is for providing value, and last position is that oil is planted code name; The hair oil pump is provided with photoelectric detection system, sends metrical pulse according to actual hair oil amount, this pulse through photoisolator input to microprocessor and and the parameter set compare, can control stopping of hair oil process and continue work such as hair oil this moment by keyboard; When arriving setting value, microprocessor control hair oil stops and controlling the parameters that the RS232 serial interface circuit is printed hair oil last time, finishes a course of work.

The cumulative amount that oil is planted is provided in storage in the eeprom memory of IC-25045 chip; power monitoring wherein and holding circuit monitor the working condition of every power supply at any time; and various abnormal occurrencies are sent warning, self-clocking circuit is wherein finished clock and is shown and clock log work.

The hair oil controller can be at any time by keyboard input setup parameter with to its modification, and these data deposit in the eeprom memory, can send every print command by keyboard, print relevant data through the RS232 interface circuit by mini-printer.

Claims (3)

1, a kind of microcomputer hair oil controller, it includes topworkies such as dc power supply unit, heavy-current control unit, pipeline and valve, it is characterized in that it also is provided with singlechip microprocessor, self-clocking circuit, keyboard/display interface unit, decoder driver circuit, charactron display and numeric keypad, power monitoring and holding circuit, electrically-erasable storer, input isolator, pick-up unit, output isolator, serial line interface level translator and mini-printer; Its core control section is a singlechip microprocessor; include static state and dynamic storage; the reset terminal of singlechip microprocessor and self-clocking circuit join; the low eight bit data output terminal of singlechip microprocessor and the data input pin of programmable keyboard/display interface unit join; the low eight bit data input end and the power monitoring/protection/electrically-erasable memory cell of singlechip microprocessor join; the serial data input/output signal end of singlechip microprocessor joins through serial line interface level translator and mini-printer; the signal output part of pick-up unit links to each other with the high eight-bit data input pin of singlechip microprocessor through input isolator; the high eight-bit data output end of singlechip microprocessor links to each other with high-voltage relay through the output isolator, and keyboard/display interface unit connects digital tube display and keyboard circuit through decoder driver circuit.

2, microcomputer hair oil controller according to claim 1, it is characterized in that: the charactron display adopts the scanning display mode, the low eight bit data output terminal of singlechip microprocessor is through programmable keyboard/display interface chip controls, export to BCD-to-decimal decoder by its scan counter output terminal and carry out the code system conversion, and being connected to charactron display control end through driver element, the video data end of programmable keyboard/display interface chip drives each section display end that is connected to the charactron display through triode.

3, microcomputer hair oil controller according to claim 1, it is characterized in that: input, output isolator adopt the multichannel photoisolator, the output signal of pick-up unit is connected to the input end of input photoisolator, is connected to the high eight-bit data input pin end of singlechip microprocessor after photoelectricity is isolated conversion; The output order of singlechip microprocessor is connected to the input end of output photoisolator, joins with the driving triode after photoelectricity is isolated conversion, and the collector that drives triode is connected to corresponding high-voltage relay.

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