CN2126412U - Lattice type liquid crystal displaying screen storage-type intelligent instrument - Google Patents

Abstract

The utility model relates to an intelligent instrument which belongs to the G01D9/02, 9/08 and G01D13/00 class in the International Patent Classification. The utility model provides a lattice type liquid crystal displaying screen storage-type intelligent instrument which is provided with the capacity for automatically storing the parameter data taken by the timing measurement, and can display the various indicators of the parameters at the main display page. The utility model is doubled with the action of the electronic clock simultaneously. The stored parameter values and statistical diagram can be displayed through a keyboard selecting the pages. The utility model has the advantages of light structure, and small power consumption. So the utility model is suitable for labs and field works, and can also be used as monitoring and controlling the operating condition. The utility model is filled up an empty between the common instrumentation and the microcomputer system.

Description

Lattice type liquid crystal displaying screen storage-type intelligent instrument

The utility model is a kind of intelligence instrument, belongs to GOID9/02 in the International Classification of Patents, 9/08 and the GOID13/00 class.

The instrument major part is to show single parameter with charactron or the little liquid crystal display of character formula at present, and the minority instrument shows two-parameter, as: DF11A type numeral is numerous with table and GX-82.Perhaps complicated is measurement, the control system of utilizing microcomputer, can show than multiparameter, but its volume is big, price is high, to the environmental requirement height, as the TI545 Programmable Logic Controller, the IBMPC+ADS-1 data acquisition board.The dot matrix large crystal screen is current novel hi-tech, external harsh product soon, have only only a few developed country to produce in a large number, main with what portable minisize machine, its price is higher, as GF-5001 lattice lcd screen or use the what electronic typewriter, as: four-way 2401 electronic typewriters and Marconi2850 digital communication analyser.Also useful some instrumentations of what, functional analysis instrument after one's own heart, vibration measuring set, but also do not make general purpose instrument or be used for better simply monitoring of working condition and control with the what laboratory.

The purpose of this utility model is to invent a kind of dot lcd screen storage-type intelligence instrument, makes it can store the parameter of surveying automatically, and can be by keyboard stored parameters Value Data Pagination Display, shown in figure three, figure four.Except that showing the measured parameter value, and show this parameter maximal value, minimum value over a period to come simultaneously at homepage (shown in figure two), surmount the upper and lower limit number of times, go back displaying calendar, clock simultaneously, and the page that shows statistic histogram and drive power curve is arranged.It also need have certain touring Detection ﹠ Controling function, has the logic analysis function concurrently and have with microcomputer or other to have RS232(C) equipment of interface carries out the function that data transmit.The architectural feature of this instrument also is except that liquid crystal display to also have the keypad of 16 keys, and wiring board and power supply are placed in below the liquid crystal display, makes then that this instrument structure is light, volume is little.

Main points of the present utility model are: its structure is the keypad of subsidiary 16 keys of square type dot lcd screen, and the liquid crystal display dot matrix laterally is 128 o'clock to 256 o'clock, vertically is 64 o'clock to 128 o'clock.Wiring board is installed in below the liquid crystal display, and one chip microcomputer has been installed on it, storer, interface circuit, circuit such as analog to digital converter.Power supply has two kinds of patterns, and a kind of is to be produced on the circuit board, is installed in below the wiring board; Another kind is to use 220V electric main or dry cell, accumulator, also can many dot lcd screen instrument with a multipath voltage regulation power supply centrally connected power supply.This instrument also is equipped with storer, and it can be automatically by the measured data that get of certain format storage.The monolithic function is analyzed data under the software support and is drawn a diagram.Circuit is by universal voltage table design, can add other parameter of probe measurement in addition.The display page of this instrument has a plurality of pages, and the plate face of homepage is arranged to:

(1) main measurement parameter, font dot matrix are 16 * 16 points, comprising the space.

(2) maximal value (MAX) and minimum value (MIN), font dot matrix are 8 * 8 points (comprising the space).

(3) surmount bound number of times (＞UP;＜LOW), the font dot matrix is 8 * 8 points, (comprising the space).

(4) clock show the time, to divide the font dot matrix be 16 * 16 points (comprising the space), a second font dot matrix is 8 * 8 points (comprising the space).

(5) moon of calendar, day, week, font dot matrix are 16 * 16 points (comprising the space).

Stored record page plate face of the present utility model is arranged and is divided two kinds:

(1) standard recording, the big what of logging interval time that the user sets or equal half an hour without exception by standard recording, per half an hour note once, its plate face arrangement is in two separate ranks, left column is: 00 minute, the right side was classified as: 30 minutes, every page 12 hours, totally 24 data.

(2) journal, the little what of logging interval that the user sets is pressed user's setting-up time record half an hour, is accurate to 4 seconds, and the plate face is remembered left column also in two separate ranks, earlier, and note is right again is listed as, and writes down one page left column then ..., 30 data of every page of record.

This instrument also has the man-machine conversation menu, has two pages in it, and one page is calendar clock setting at that time, the plate face is arranged to year (YEAR), month (MONTH), day (DAY), in week (WEEK), the time (TIME), the font dot matrix is 8 * 8 points (comprising the space).Second page is the minute, second and the bound (UP LIMIT, LOW LIMIT) of logging interval (RECORD INTERVAL), and the font dot matrix is 8 * 8 points (comprising at interval).There is the cursor of flashing guiding user to answer in the menu.Every page of menu bottom all have D=DELETE E=ENTER indication user to reset or write store in.

This instrument is core with the one-chip computer specifically, connects to measure and analog to digital conversion circuit storer, interface circuits etc. are equipped with dot lcd display module and keypad, form to have to measure and calculate calendar clock, keyboard, graphic presentation and the integral intelligent instrument of communicating by letter.When doing the laboratory measurement use, the function of automatic switching range is arranged, and can automatic zero adjustment.Range has third gear: 20 volts, 2.0 volts and 200mV also have * 10 input ends.When noting down instrument, hundreds of data can be stored, and curve or statistic histogram can be shown.When patrolling survey, also can patrol and survey several analog quantitys as operating mode.As match various measuring heads, can measure multiple parameter, as temperature, pressure etc.

Software is modular construction, comprise keyboard scan and display driving software, multistage interrupt control routine, various interrupt handling routine, clock/calendar program, big character generator program, conversion of page program, coordinate generation and logging program, graphic package, signal procedure, extreme value comparison program, measurement and range converse routine, school zero and nonlinear compensation program, statistical computation plotter program man-machine interface dialog menu etc.Hardware block diagram is shown in figure one.

Instrument is a double-decker, and to reduce volume, wiring board is following, and liquid crystal display is linked by plug last, and display screen accounts for 2/3 of whole area, so very attractive in appearance eye-catching.

Main display page display parameter value, maximal value, minimum value, surpass the number of times of the upper limit, surpass number of times and the clock and the calendar of lower limit.Wherein parameter value and calendar clock (except second) are convenient to observe with the font of double size size.It is arranged shown in figure two.

Record two kinds of forms, when logging interval time that the user sets during less than 30 minutes, number record in order, two row about every page of branch, each writes down 15 data; When logging interval time during more than or equal to 30 minutes, without exception by 30 minutes records at interval, every page 12 hours, also in two separate ranks, left column is: 00 minute, the right side was classified as: 30 minutes.Record format is shown in figure three, figure four.The user can select the record page that will observe by keyboard.

The menu of user interface has two pages, and one page is that calendar clock is set, and one page is that logging interval time and upper lower limit value are set, and it is arranged shown in figure five, figure six.The cursor guiding of flashing when setting, the user is arranged on the screen.As set wrongly, when every EOP, can reset this page or leaf by the D key.The numeral of setting has certain intelligence, for not meeting actual numeral, can not enter machine.

The utility model compared with prior art has following advantage:

1, this intelligence instrument is compared with general instrument, and it can show more parameter index simultaneously by software systems, as except that measurement parameter, can also show minimax value and out-of-limit number of times, also has calendar clock to have the electronic clock function concurrently at main display page.

2, the data of its energy stored record can show observation at any time, have save insecure printer.

3, it can show curve and chart, makes statistics.

4 compare with microsystem, have volume little, in light weight, inexpensive, be easy to carry, be suitable for field work, power consumption is also little, power supply can be used dry cell power supply, thereby also can be used for the environment of mine explosion requirement, also can a plurality of instrument centrally connected power supplies be contained on the control flow and use.

It is the stronger instrument of ability between general instrument of Jie's what and the microsystem.

Description of drawings:

Fig. 1: hardware block diagram

Fig. 2: measure display surface

Fig. 3: record display surface journal

Fig. 4: record display surface criteria table record

Fig. 5: set the interface calendar clock and set

Fig. 6: set interface record and set with bound at interval.

Embodiment:

Single-chip microcomputer is 8031 single-chip microcomputers among Fig. 1, the range bleeder circuit that tested signal is in series via resistance is delivered to analog switch and is done the range conversion, deliver to analog to digital converter MC14433 then and convert metric digital quantity to, precision is three and half, sends into single-chip microcomputer 8031 then and handles.The P0 of single-chip microcomputer, P2 mouth are made data and address bus, have program storage on the bus, random access memory, interface circuit, LCD MODULE.Keyboard is connected to the P1 mouth, and display controller, character generation unit, random access memory and display driver circuit are arranged in the Liquid Crystal Module.

After the energized, single-chip microcomputer i.e. 0000 address from ROM begins, and carries out the programmed instruction that wherein solidifies successively.All Control work all are to be realized by execution command.As read data among the A/D, transmit data to the display-memory in the display screen.Keyboard interrupts to its request by the interrupt INT O head of single-chip microcomputer, and after the single-chip microcomputer priority queueing was got permission, single-chip microcomputer just read key code.

Controller 6963B is housed on the display panel module, and it is presented at the data in the display-memory on the liquid crystal display successively, and also in display module, it transfers the character code in the display-memory to the font dot matrix and shows character generator.

Liquid crystal display is selected 160 * 128 approximate rectangular screen for use, yellow background, and character is a black.Parameter and clock show with twice font.It generates with the graphing capability of display controller.LCDs is of a size of 100 * 80(mm ²), meter movement is of a size of 150 * 140 * 40(mm ³) 1 watt of total power consumption.

In a word, the utility model is a kind of light, moderate intelligent recorder table, is suitable for common laboratory and field work, perhaps to simple technological process, and lathe count few measurement and many indexs, multi-functional demonstration, i.e. display parameter value simultaneously.Its maximal value, minimum value within a certain period of time, out-of-limit number of times, but also displaying calendar and clock, and energy time recording parameter, can access demonstration at any time, avoid using the pen of mechanical motion to paint registering instrument or printer, guarantee to work reliably and with long-term, and can use A-battery work, except that can working in the open air, also can be in mine work.

Claims (4)

1, a kind of is core with the one-chip computer, and be connected with and measure and analog to digital conversion circuit, storer, interface circuits etc. are equipped with dot lcd display module and keypad, form to have to measure and calculate, calendar clock, parameter shows the intelligence instrument with communicating integral, it is characterized in that: it is portable, its structure is a rectangular dots configuration liquid crystal display and with the keypad of 16 keys, the liquid crystal display dot matrix laterally is 128 o'clock to 256 o'clock, it vertically is 64 o'clock to 128 o'clock, wiring board is installed in below the liquid crystal display, one chip microcomputer has been installed on it, storer, interface circuit, analog to digital converter, circuit is by universal voltage table design, can add other parameters of probe measurement in addition.

2, according to the described intelligence instrument of claim 1, it is characterized in that it shows a plurality of pages, the plate face of homepage is arranged to:

(1) main measurement parameter, font dot matrix are 16 * 16 points, comprising the space;

(2) maximal value (MAX) and minimum value (MIN), the font dot matrix is 8 * 8 points, comprising the space;

(3) surmount bound number of times (＞UP;＜LOW), the font dot matrix is 8 * 8 points, comprising the space;

(4) clock show the time, to divide the font dot matrix be 16 * 16 points, comprising the space; Second, the font dot matrix was 8 * 8 points, comprising the space;

(5) moon of calendar, day, week, font dot matrix are 16 * 16 points, comprising the space.

3, according to the described intelligence instrument of claim 1, the plate face that it is characterized in that writing down the page is arranged and is divided two kinds:

(1) standard recording, the big what of logging interval time that the user sets or equal half an hour press standard recording without exception, remember that once its plate face arrangement is in two separate ranks per half an hour, left column is: 00 minute, the right side was classified as: 30 minutes, every page 12 hours, totally 24 data.

(2) journal, the little what of logging interval that the user sets is pressed user's setting-up time record half an hour, is accurate to 4 seconds, and the plate face is remembered left column earlier also in two separate ranks, and note is right again is listed as, and writes down one page left column then ... and the like, 30 data of every page of record.

4, according to the described intelligence instrument of claim 1, it is characterized in that it has the man-machine conversation menu, have two pages in it, one page is calendar clock setting at that time, and the plate face is arranged to year (YEAR), the moon (MONTH), day (DAY), week (WEEK), time (TIME), the font dot matrix is 8 * 8 points, comprising the space; Second page is the branch (MINUTE) of logging interval (RECORD INTERVAL), second (SECOND) and bound (UP LIMIT, LOW LIMIT), and the font dot matrix is 8 * 8 points, comprising the interval; Have the cursor of flashing guiding user to answer in the menu, every page of menu bottom all have D=DELETE E=ENTER indication user to reset or write store in.

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