CN2225062Y - intellectual multi-channel paperless and non-pen anologue sequential recording instrument with free of maintainment - Google Patents

Abstract

The utility model relates to an intellectual multi-channel paperless and non-pen analogue sequential recording instrument which is free of maintenance. The utility model is an advanced recording instrument which uses a microprocessor as a main control device which is connected with a data acquisition circuit, a flat plate display circuit, a large-capacity storage medium, etc. Which take a single chip computer as the core, and the utility model combines the functions of measurement, calculation, display, history data storage and communication. The utility model can be regulated by an operation keyboard which is arranged on the panel of the utility model, and the function of the utility model can be further developed if the utility model is connected externally with a standard keyboard; the utility model can be used singly, and can also be used in a networking mode; the structure of the utility model is a standard disk arrangement type, the utility model is provided with a built-in UPS power supply, and thus the utility model can be used as a portable instrument. The utility model can be suitable for electric departments of electricity, petrifaction, metallurgy, scientific research, etc.

Description

The non-maintaining no paper of intelligence hyperchannel does not have a simulation order registering instrument

The utility model is that the non-maintaining no paper of a kind of intelligence does not have a simulation order registering instrument, belongs to G01D1/02,1/12,1/16, G01D3/04 in the International Classification of Patents, G01D7/02,7/04,7/12, G01D9/04,9/08,9/28 and the G11B5/012 class.

At present, both at home and abroad most of what use is a paper registering instrument to the recordable type instrument, and this registering instrument is to drive the motion of paper pens and record on the paper by various servomotors, owing to adopt mechanical drive, so parts depreciation and maintenance cost are very high, registration accuracy is low, is generally 0.5 grade to 1.0 grades, writing function is few, need the special messenger to safeguard, the paper management behind the record is filed also difficult, and it is few to measure passage, versatility poor (unlike signal need be purchased different instrument), out-of-order writing function (SOE); Record sheet as ER-180 series (Sichuan instrucment and meter plant introduces Japanese Yokogawa technology and produces) LN100 series (your instrument is introduced West Germany BBC company) is domestic most popular recorder, this record sheet versatility is poor, passage is few, and (the line registering instrument is 3, getting registering instrument ready is 12 points), cause call wire interruption and record fuzzy easily, maintenance cost height (paper, pen, part); The XJRA-303 heat-sensitive recorder (seeing Figure 15) that instrument and meter for automation six factories in Tianjin introduce technology and produce is owing to use heat-sensitive paper (paper, thermal head) so maintenance cost is higher; Japanese fuji (FUJI) company is to PHC6, the PHA9 ink-vapor recording table (injection shades of colour lines or data are seen Figure 16 on paper) of home sale, function is more complete, can receive industry signal commonly used, but because price height, change a China ink expense height, no character reminding function and the aforesaid deficiency of paper registering instrument, domestic also seldom use does not have manufacturer yet; Another kind is that the no paper of band floppy disk does not have a registering instrument, can only short record, and recorded information is also few, only is applicable to testing laboratory and special occasions.

The purpose of this utility model is to invent the non-maintaining no paper of a kind of intelligent hyperchannel does not have a simulation order industry spot registering instrument, to solve the deficiency of paper registering instrument; With high performance microprocessor technology, singlechip technology, the high capacity memory technology, graphical display technics, data acquisition technology, the power technology and the communication technology are used for registering instrument, broken through the mentality of designing of conventional recorder, for industry monitoring provides reliable means, this registering instrument can be to common used in industry parameter measurement (thermal resistance, thermopair, electric current, voltage, millivolt, pulse, the on off state amount), high density graph shows (rod figure, trend map, the start and stop aircraft pursuit course, recollect rolling curve, recollect switch-state action rod figure and process flow diagram etc. and see Fig. 2～Fig. 7), 16 analog channel parameters of energy continuous recording, pulsed quantity of 16 switch-quantity of states (both same under the basic model) reaches 400 days, communication (RS-232C, RS-485) be convenient to form computer network and exchanges data, multiparameter computing (efficient, the flow pressure temperature compensation, various functional value calculates, analyses of shake, maximal value, minimum value, mean value, test the speed, frequency measurement, numeration etc.), report to the police (measuring-signal surpasses user's setting value and provides the switch output alarm signal) built-in ups power technology; Designed Chinese and English prompting demonstration and sound prompt function, made things convenient for various users, particularly Chinese, the user need not see that instructions both can carry out relevant operation; Owing to adopt advanced storage display technique, without paper pen and ink, make instrument realize non-maintaining (exempting to change paper, pen, ink and part) during record; The feature of this registering instrument is removed the function for user's selection that also has of above-mentioned introduction, both can work as a microcomputer after the user inputs password uses, the application program of oneself is write in user's border work factually of can following fully, carry out various measurements, its design feature is, dish dress instrument by the international standard design also can be designed to portable machine, uses with convenient various occasions; Because analog quantity, switch-quantity of state are introduced this instrument, make this registering instrument become a logout instrument, the black box of similar aircraft is because casing by the international standard design, has made things convenient for and used and install.

Recorder of the present invention is to be main control unit with CPU (central processing unit) (embedded or industrial control host plate), be connected with the single-chip microcomputer is the data acquisition of core, the on off state amount is gathered, the pulsed quantity collecting circuit board, the high density graph display, high-capacity disk, magneto-optic disk, the CD storage medium, membrane keyboard, intelligent keyboard interface and communication interface, built-in ups power is powered to above-mentioned plurality of units, and the disposable industrial circle convectional signals of finishing is measured, calculate, show, data-storing and communication are in one and be installed in the no paper matrix plan of the non-maintaining nothing pen of the hyperchannel in a standard industry record shell journal instrument.

The data line of CPU (central processing unit) links to each other with the pb0-pb7 of Figure 10 interface circuit U4, finishes the bidirectional data transfers of collection plate and CPU (central processing unit); The address wire of CPU (central processing unit) (SA0.SA1) is connected with interface circuit U4 (8155) pc0-pc1 of Figure 10, the interrupt line IRQ2-IRQ7 of CPU (central processing unit) is connected with the Pc-2 of interface circuit U4 (8155) among Figure 10 through selector switch, the reading and writing line of CPU (central processing unit) (IOR, IOW) is connected with Pc4, the Pc5 of interface circuit U4 (8155) among Figure 10, and above hardware circuit connects and composes collection plate and the work of CPU (central processing unit) exchanges data; Pb0-Pb7, Pc0-Pc7 by interface circuit U3 (8255) among Figure 10 are connected with circuit network O1-O16 point by name in middle part on Figure 11, this part hardware circuit is finished the collection to switch and quantity of state sequence of movement, MC by name is connected by TMRIN mouth among the interface circuit U4 (8155) among Figure 10 and Figure 12 lower right side circuit network, constitutes the hardware circuit of impulsive measurement; 0-15 mouth by Figure 10 code translator U11 is connected with Figure 12 left side map network quick low potential relay of 1-16 CL1-CL16 by name, the measurement positive and negative busbar CL+CL-of Figure 10 links to each other with the public-measurement bus CL+CL-of Figure 12, constitutes the multi pass acquisition commutation circuit of simulating signal; By the metering circuit of operational amplifier U16a U16b U16c triode P1 P2 relay J-0 JJ0 resistance R 20-R24 R1 diode D1 D2 stabilivolt Z3 operational amplifier U (OP07) and V/F converter (VCF32) formation thermal resistance and mV mA, resistance measurement and other signal measurement are switched by relay J 00 J-0 to be finished; The control line of interface circuit U3 (8255), interface circuit U4 (8155), storage circuit U5 (2764), storage circuit U6 (6264), address wire, data line, be connected with the corresponding line of microprocessor U1 (8031) respectively; Constitute on-line automatic correction hardware circuit by relay J-0-01, J-0-02, J-0-03, J-0-04, accurate voltage stabilizer 1403 precision resistance R31-R37, guarantee the long-term high-precision operation of instrument; Frequency dividing circuit U10 (74LS93), phase inverter U8:d U8:e, capacitor C 0 C1 C10, resistance R 1 R2 R3 R4 constitute watchdog circuit, make the instrument can stable operation in strong interference environment, on-site signal and main frame adopt photoelectric isolation technology (seeing Figure 10, Figure 11, shown in Figure 12), and being connected by the base stage T1-T8 of the interface circuit U3 among Figure 10, Pa0-Pa7 mouth, the R17 triode N17-N24 below Figure 11 adds the warning output circuit that relay T1-T8 constitutes this instrument; Toggle switch U15 (SW-DIP8) is used for collection plate duty and analog channel are set (setting as 16,32,48 tunnel analog channels) among Figure 10, and code translator U12 code translator U14 (74LS154) and expansion board (joining in addition) formation analog channel is 32,48 tunnel driving circuit in Figure 10 dotted line; Display keyboard driving circuit U2 (8279) is the display keyboard driving circuit that works independently of collection plate (this instrument need not) among Figure 10.The record sheet backboard has and is connected with motherboard and carries out RS-232C, the RS-485 communication port of exchanges data with external unit, so that form the computer acquisition network; Design have be inserted in that multifunction card on the motherboard drives be installed in the 3.5 inches floppy disks in panel bottom and internal HDD to carry out the storage of big data, design has the display card that is inserted on the motherboard and the display circuit of the corresponding flat-panel monitor of panel, and these two cards adopt the connection of PC/AT bus with being connected of CPU (central processing unit); Membrane keyboard has been designed in the panel bottom, is used for normal operation, and panel provides a QWERTY keyboard interface that is connected with motherboard, is used for the redevelopment to instrument; Instrument design the UPS electric power system of built-in no cooling fan, mainboard power supply be provided and use for collection plate with isolated positive and negative 12V, the positive and negative 5V power supply of motherboard; Instrument structure is the dish dress industrial instrument (being of a size of 144mm*144mm*220mm or 288mm*288mm*220mm) of a standard; Because built-in ups power also can be made portable instrument and use; The modular software design, collection plate software is only finished to the control of Acquisition Circuit with to CPU (central processing unit) transmission data, show, write down, recollect, communication finishes by the software of CPU (central processing unit), various functional modules gateway information standard, so that redevelopment from now on, and can online configuration programming.

Owing to carry out data recording with disk, magneto-optic disk, CD media, show with flat-panel monitor, so need not recording mediums such as paper, pen during record, realized that no paper does not have the notes record, has promptly reached non-maintaining (the exempting to change lost materials such as paper, pen, ink, slide wire resistance) of instrument.

Workflow: send the microprocessor U1 that send collection plate behind separately the interface circuit by the signal of analogue measurement, switch metering circuit, the collection of impulsive measurement circuit respectively, in the data of finishing under the collection plate programmed control after the range conversion to measurement parameter, non-linear correction, genuine/counterfeit discriminating and alarming value are differentiated, send display to show, deposit, surpass alarming value control respectively and send the switch alerting signal, after networking, by host computer to this instrument send send data command after, this instrument will have related parameter to send host computer through serial line interface, and receive upper steering order at any time; As set the timed print function, when arriving timing, both sent print data to LPT; When internal storage data need be transferred to 3.5 inches floppy disks, both can at the relevant keyboard of panel operation.This record sheet is the stronger novel recorder of the function between Jie's general record table and the computer acquisition system.

The utility model has following advantage compared with prior art:

1. there is not mechanical transmission component when this recorder writes down, also need not the paper board pen ink, overcome unnecessary work and the expense expenditure brought owing to mechanical wear, owing to need not the paper board pen ink, so daily frequent maintenance of special messenger and replacing paper of need not, realize the non-maintaining of instrument, reduced personnel's man-hour and maintenance cost.

2. adopted advanced storage medium such as jumbo disk, magneto-optic disk, CD, so writing time long (basic model is 400 days, and the historical data analysis reference convenient is quick, also is convenient to modernized file administration).

3. adopt international advanced computer technology, realize the general record table the multiparameter computing that can not do, functions such as crash analysis.

4. adopted the high density graph display technique, so display mode is versatile and flexible directly perceived.

5. employing mechanics of communication, this instrument can be as a substation of computer supervisory control system, and the system of being convenient to expands and sets up mainframe computer acquisition controlling net, reduces system cost.

6. this instrument is introduced in journal, made this instrument become a real sequence of events recording instrument, for crash analysis provides reliable proficiency data.

7. instrument power is designed to the UPS uninterrupted power source, so this instrument has quite reliable data recording capability, can guarantee to guarantee the real-time and comprehensive of record data in power supply insecure place work.

8. expansionization design, this instrument also can be used as multi-purpose computer except that as the general recorder, has made things convenient for user's redevelopment.

9. whole Chinese character-English of display setting and voice suggestion have made things convenient for use.

10. measurement passage many (48 tunnel), versatility good (thermal resistance, thermopair, electric current, voltage, millivolt signal) has been simplified on-the-spot installation, has reduced user's construction costs.

Description of drawings:

Fig. 1: instrument theory diagram

Fig. 2: the picture example is set in the instrument prompting

Fig. 3: the machine that rises boost curve (the SP set-point with heavy line show, PV1 PV2 measured value shows with fine line)

Fig. 4: the recorder analog quantity shows (screen top is that instantaneous value rod figure, the screen bottom of corresponding curve is trend curve figure, can show the 1-10 bar simultaneously)

Fig. 5: analog quantity historical data launch plan (screen top is the time on date and the data value of horizontal cursor correspondence, and the screen bottom is the analog quantity trend map, and the curve shift function is arranged during demonstration)

Fig. 6: switch-history data launch plan (heavy line is represented switch closure or high level, and dotted line represents that switch disconnects or low level, is engraved in the upper right corner during date of horizontal cursor correspondence and shows)

Fig. 7: instrument structure faceplate part (screen display be that the rolling starting curve is recollected trend map) 1. panel 2. casings 3. models (signal ZNJLB-represent intelligent record sheet) 4. display screen 5. manufacturers and numbering (signal) are 6. simulated the cursor key 7. windows 8. tunnel name labels 9. alarming value labels 10. LPT 11.3.5 inch floppy disks 12. external connection keyboard sockets 13. membrane keyboards 14. instrument brackets that dispel the heat

Fig. 8: plate Figure 15 behind the instrument structure. the fixing card of instrument hand 16. basic model analog channel input wires terminal 17.+24V direct supply output wiring terminals 18. pulse passage input wires terminals 19. warning output wiring terminals 20. switches-quantity of state input wires terminal 21. expansion analog quantity input plug (32～48 passage) 22. communication ports (RS-485) 23. communication ports (RS-232C) 24. power switches 25. main frames insure 26. power leads, 27. instrument brackets

Fig. 9: gauge internal structural drawing 28. disks, CD, magneto-optic disk or new storage medium driver card 29. display driver cards 30. master datas of releasing are from now on gathered master control borad (16 tunnel analog quantitys, 16 way switch-quantity of state, 1 road pulsed quantity and 8 tunnel output of reporting to the police) 31. motherboards (80286 and above embedded computer or single card microcomputer), 32. casings, 33. disks, CD, magneto-optic disk or new storage media drive 34.3.5 inch floppy disk 35. batteries of releasing from now on, transformer 36. power panels 37. collection plate expansion slot (32～48 tunnel) 38. machine inner supports 39. motherboard expansion slot

Figure 10: intelligent collection board main system figure (dotted portion is that the independent principle of using need be joined light-emitting diode display and keyboard and driving circuit in addition behind this plate Offhost among the figure)

Figure 11: intelligent collection board essential part switch-quantity of state schematic diagram (part in going up), warning output principle figure (bottom)

Figure 12: intelligent collection board essential part analog acquisition switches ( left side 1,2 row) pulsed quantity (lower right corner) and collection plate and shell attachment plug (upper right corner figure)

Figure 13: thermal resistance simplified measurement figure

Figure 14: thermopair, millivolt, volt, electric current simplified measurement figure

Figure 15: the XJ6RA-303 record sheet brief introduction that robotization six factories in Tianjin produce

Figure 16: the PHA9 ink-vapor recording instrument that Japanese FUJI company produces

Embodiment: this appliance circuit principle is seen principle calcspar 1, is made of following several major parts:

(1) wide region ups power: supply with each parts power supply of instrument and scene+24V transmitter power supply, this instrument design thought fully takes into account the actual of industry spot and to the continuous recording requirement of measurement data, the particularly analysis under the accident, power supply be designed to after the instrument AC power loses, can work 10-20 minute (this time one is to consider that the field instrument power fail generally can recover in this time, the 2nd, the processing accident has this time with enough; As increase the time, to increase instrument weight and cost), consider the requirement of this instrument electrical isolation simultaneously, except that provide host power supply (positive and negative 12V/1A ,+5V/10A ,-measurement power supply (the positive and negative 12V/0.3A two-way after the isolation also is provided 5V/0.5A), positive and negative 5V/0.5A one tunnel), be to improve the scope of application of instrument, natural cooling is adopted in the power supply design, can guarantee that environment temperature is-10 degree～50 operate as normal when spending.

(2) CPU (central processing unit): the heart and the command centre that are this instrument, by 80286 and above embedded computer or single card microcomputer transformation form, support standard computer programs and instruction fully, implement control and commander to the intelligent collection board sending controling instruction with to other equipment simultaneously.

(3) high density graph shows: this part comprises graphics driver card and display, display can be selected colour, black-and-white crystal display board for use, CRT monitor, LED high density graph display and the new display of developing from now on, the motherboard design has display to drive draw-in groove, various displays easy to use.

(4) high-capacity disk, CD, magneto optical driver: this part for a large amount of store historical data, parameter, user program be set and design, comprise one 3.5 inches highly dense floppy disk (being used for extraneous exchange message), the next-generation drive of a built-in 200MB hard disk drive or CD drive or magneto optical driver or Future Development is used for this instrument.

(5) film button dish and intelligent keyboard interface: this part is to provide interactive means for the user, membrane keyboard is made on the instrument face plate, be used for the setting of instrument and general operation, the intelligent keyboard interface provides 101/102 key QWERTY keyboard support, develop or instrument worked as the operational means of computing machine use voluntarily as the user, this this instrument of mode is 286,386 or 486 computing machines of a standard, uses for the user.

(6) network and printing interface: this part is to be instrument and host computer or network communication swap data and printed hard copy, two kinds of communication standard interfaces are provided, RS-232C, RS-485, when the user needs print data or chart, printer interface both can (be supported various standard printers) to LPT.

More than six part technology comparatively ripe, so collecting part is in detail specifically introduced in introduction in detail below.

(7) intelligent data acquisition, switch-quantity of state collection, pulsed quantity collecting unit: these two parts are to separate picture among the figure, and actual is a pre-process plate, follows below according to schematic diagram to describe in detail:

1. switch-quantity of state collection and alarm relay output pre-process: two rows are made up of Pb0-Pb7, Pc0-Pc7 mouth and the microprocessor U1 etc. of triode N1～N16, diode D1～D16, stabilivolt Z1～Z16, photoelectrical coupler O1～O16, resistance R 1～R33, resistor chain R7 R34, interface circuit U3 (8255) for switch-quantity of state Acquisition Circuit on Figure 11; With the first via is the example explanation, by triode N1, diode D1, stabilivolt Z1, photoelectrical coupler O1, resistance R 1, R2, resistor chain R7, compositions such as the Pb0 mouth of interface circuit U3 (8255) and microprocessor U1, purpose is that on-the-spot switching value (relay tip) quantity of state (level height) is picked up survey and sent CPU to carry out logic determines and processing, be that a kind of journal (SOE) resolution is 1 millisecond, when carrying out the switching value measurement, relay tip is met S1 respectively, Z1, this mode is not ended owing to N1 has bias current, when external circuit did not have closure, light lotus root no current was output as high level; When external circuit is closed, by+12V power supply～resistor chain R7～light lotus root O1～diode D1～outer contact～power supply ground Vss the 10mA electric current is arranged, O1 is output as low level, and the corresponding mouthful Pb0 of interface circuit U3 (8255) changes this level and send CPU judgement record; When incoming level signal (0～24Vdc) time, with measured signal low level termination Z1 high level termination M1 (this mode is not because what signal no current path the S1 end takes over), N1 is a high level by light lotus root output O1 when signal level is lower than 3.5V, when being higher than 3.5V time lotus root, signal level is output as low level, main frame is picked up and is surveyed this variation, carries out the laggard line item of logic determines and handles.

Consider on-the-spot reality, above circuit has 16 the tunnel, and wherein 1～8 the tunnel is a power supply, and 9～16 the tunnel is another group power supply, and two groups of mutual electricity of power supply are isolated.

Registering instrument is reported to the police and exported: consider that measured parameter surpasses range of control and may cause expense product or damage equipment, for this this instrument design has 8 tunnel warning output circuits, alarming value is followed according to technological requirement by the user and is set; Find out by Figure 10 Figure 11, Pa0～Pa8 mouth, triode T1～T8 and corresponding relay, resistor chain R17 by interface circuit U3 (8255) constitute, when corresponding amount surpasses alarming value, interface circuit U3 (8255) becomes high level by low level for corresponding mouthful, corresponding triode conducting, alerting signal is sent in the relay adhesive.

2. analog acquisition: the collection to on-the-spot industrial process analog quantity is finished in this part, can be to the collection and the measurement of thermal resistance, thermopair, voltage, electric current, millivolt, interchannel, passage have the electricity of 500V and 1500V to isolate to cpu circuit, basic model is 16 the tunnel, can expand to 32 the road or 48 the tunnel, picking rate is per second 10 points, and principle is as follows:

Seen by Figure 10 Figure 12: this part is by gathering relay CL1～CL16, passage RC wave filter phase inverter U8a, U8b, U8c, code translator U11, code translator U13a, U13b, operational amplifier U16a, U16b, U16c, light lotus root O, V/F converter (VFC32), U (OP07), microprocessor U1 (8031), relay J-0-01～J-0-04, J-1-01, J-0, JJ0, formations such as voltage stabilizer 1403 and some resistance capacitance diodes, thermal resistance is measured and is adopted the R/V converter to see Figure 13, in order to ensure measuring accurately, by operational amplifier U16a U16b, triode P1, P2 and resistance stabilivolt constitute the mirror image constant current source of this instrument, for measuring resistance is particularly eliminated lead resistance RX1, RX2, the influence of RX3, the electric current I 1 of triode P1 is got back to measurement negative busbar CL-by measuring positive bus-bar CL+ to the A end of measuring resistance during measurement, the B end of the electric current I 2 of triode P2 to public-measurement bus COM to temperature detecting resistance got back to and measured negative busbar CL-, because I1=I2, so cancel out each other in the lead resistance pressure drop, because the effect of operational amplifier U16c, guaranteed that resistance CL+ end is always 10mV+I1*Rt, the variation of true reflected resistance, CL+ terminal voltage are sent operational amplifier OP07 to amplify and are sent the microprocessor measurement after V/F becomes frequency signal.

Thermopair, millivolt, voltage, electric current (needing guest performer's resistance, R=200mV/ImA ohm) see that Figure 14 shows.

During measurement, because relay J-0 disconnects, so constant-current circuit is inoperative, because the JJ0 dead electricity is measured public bus CL-and directly met 10mV, positive bus-bar amplifies through the light lotus root through operational amplifier OP07 to be measured to microprocessor.

More than two kinds measure range and switch to follow to act on relay J 1-01 and change inner parameter and realize range conversion according to starting condition setting value and measured value by microprocessor.

Pulsed quantity is measured: Figure 12 lower right corner circuit illustrates the principle of measure portion, by comparer U10 (LM311), diode D1, D2, D3, D4, photoelectrical coupler O0, resistance R 1, R2, R3, R4, R5, R6, RR8, R12, the TMRIN mouth of interface circuit U4 (8155) constitutes measures shaping circuit, when being measured as active pulse signal, signal wire is met Z respectively, the M end, diode D3, D4 is for anti-interference and be provided with, diode D1, D2 is provided with in order to prevent the excessive damage comparer of signal amplitude, because the LM311 input end has the signal of 30mV both turning, so it is 50mV～25V that this circuit is picked up the survey scope, as signal input and amplitude during greater than 50mV, comparer LM311 output drives the TMRIN mouth of optocoupler output terminal to interface circuit U4 (8155), gather through frequency measurement by singlechip CPU interface circuit U4 (8155), test the speed, survey cycle routine processes is converted into the frequency rotating speed or the counter value of displayed record, the scope of testing the speed is 0～100000 rev/min, the measured frequency scope is 0～50000 hertz, and the numeration scope is 1～1,000,000,000 time.

3. intelligent collection board main system principle: by shown in Figure 10, by microprocessor U1 (8031), storage circuit U5 (2764), storage circuit U6 (6264), address latch U7 (74LS373), code translator U9 (74LS138), interface circuit U4 (8155), interface circuit U3 (8255), display keyboard driving circuit U2 (8279), frequency dividing circuit U10 (74LS93), phase inverter U8d, U8e, U8f and some resistance capacitances constitute, control and the V/F conversion that on-site signal is measured mainly finished in this part, the linearization of thermal resistance thermopair, range conversion, signals migrate, order is measured the true and false and is judged, the out-of-limit judgement output of signal, the clock numeration, Interrupt Process, automatically verification is with the CPU (central processing unit) swap data etc.

Pre-process plate program leaves among the storage circuit U5 (2764), initial parameter is transmitted and leaves in interface circuit U4 (8155) storer through microprocessor U1 by central control unit, deposit data after the acquisition process is in storage circuit U6 (6264), interface circuit U3 (8255) finishes acquisition order and the output of reporting to the police, Pb0～Pb7, during Pc0～Pc7 initialization is basic entry mode, during Pa0～Pa7 initialization is the basic way of output, the Pa0 of interface circuit U4 (8155)～Pa7 reception plucking number sign switch state carries out function conversion in the machine, and (use is required separately when this plate in this part, this registering instrument need not), Pb0～Pb7, Pc0～Pc2 exports INT0 mouth that TMROUT send microprocessor U1 to and is used for pulsed quantity and handles for carrying out message exchange (when this plate uses separately, being external LPT) numeration with central control unit.

For guaranteeing collection plate operate as normal under various rugged surroundings, improve the antijamming capability of instrument, by frequency dividing circuit U10 (74LS93), phase inverter U8d, U8e and resistance capacitance constitute the house dog hardware circuit, under cooperating, finishes by software monitoring to cpu circuit, by phase inverter U8d, U8e and resistance capacitance constitute oscillating circuit, frequency dividing circuit U10 (74LS93) is a register, when the software operate as normal of instrument, regularly (less than the gate time of frequency dividing circuit U10 (74LS93)) sends reset signal by the Pc3 mouth of interface circuit U4 (8155), when endless loop appears in program, the frequency dividing circuit U10 (74LS93) because the Pc3 mouth of interface circuit U4 (8155) can not reset before the counter meter is full, the full back of frequency dividing circuit U10 (74LS93) counting is sent reset pulse by the Q3 mouth to CPU and interface circuit reinitializes complete machine, has eliminated the influence of program endless loop to instrument; Display keyboard driving circuit U2 (8279) is that this plate carries out interactive interface chip (need join light-emitting diode display and driving circuit and keyboard in addition, this registering instrument need not) when using separately.

Code translator U13b, relay J-0-01～J-0-04 and the Acquisition Circuit of before introducing in written text realize the self-correcting of this instrument, when J-0-01 is closed, carry out the balance check of thermal resistance, when J-0-02 is closed, carry out the full scale verification of thermal resistance, when J-0-03 is closed, carry out the balance check of thermopair, when J-0-04 is closed, carry out the full scale verification of thermopair, code translator U11, code translator U14a is the passage control of fundamental measurement circuit, code translator U12, code translator U13a, code translator U14 establishes for being extended to 32 tunnel 48 road analog measurements, as not expanding code translator U12, code translator U14 chip can not inserted.

Accurate voltage stabilizer 1403, resistance R 31, R32, R33, R34 constitute the thermopair self-correcting normal voltage of this instrument, are used to provide benchmark 10mV voltage and self-correcting voltage.

4. software design is an expanded mode blocking structure: by the interface initialization program, interrupt handling routine tests the speed, frequency measurement, survey cycle program, gathers process of measurement, maximal value, minimum value, mean value program, alarming value is judged written-out program, proceeding measurement true and false determining program, various functional operation programs, the real-time clock program, range linear transformation program, thermal resistance thermopair nonlinear compensation program is with central control unit communication program etc.

5. the instrument face plate layout sees Fig. 7 and description of drawings for details, and back plate and inner structure see Fig. 8, Fig. 9 and description of drawings for details.

In a word, this registering instrument is a kind of light, moderate registering instrument, it is the novel instrument that integrates high performance microprocessor technology, singlechip technology, high capacity memory technology, graphical display technics, data acquisition technology, power technology and the communication technology, when this registering instrument is used for commercial production, to change existing instrument backwardness, this instrument is because by industry standard design, so be applicable to whole industry spot, particularly use in the insecure place of instrument power, improve the output and the quality of producing, improve the backward situation of China's recorder.

Claims (6)

1. one is the no paper matrix plan of the non-maintaining nothing pen of the hyperchannel journal instrument of core with the microprocessor technology, the pb0-pb7 of interface circuit U4 in the data line of CPU (central processing unit) and the intelligent collection board main system links to each other, and finishes the bidirectional data transfers of collection plate and CPU (central processing unit); The address wire of CPU (central processing unit) (SAO.SAI) is connected with the interface circuit U4 pc0-pc1 of intelligent collection board main system, the interrupt line IRQ2-IRQ7 of CPU (central processing unit) is connected with the pc-2 of interface circuit U4 in the intelligent collection board main system through selector switch, and the pc4 pc5 of interface circuit U4 connects and composes collection plate and CPU (central processing unit) exchanges data in the reading and writing line (IOR.IOW) of CPU (central processing unit) and the intelligent collection board main system; Be connected with switch-state acquisition circuit network O1-O16 point by name by the pbo-pb7 pco-pc7 of interface circuit U3 in the intelligent collection board main system and finish collection switch and quantity of state sequence of movement; TMRIN mouth by interface circuit U4 in the intelligent collection board main system is connected with pulsed quantity Acquisition Circuit network MC by name, constitutes the hardware circuit of impulsive measurement; 0-15 mouth by intelligent collection board main system code translator U11 is connected with the analog acquisition circuit map network quick low potential relay of 1-16 CL1CL16 by name, the measurement positive and negative busbar CL+CL-of intelligent collection board main system is connected with the public-measurement bus CL+CL-of analog acquisition circuit, constitutes the multi pass acquisition commutation circuit of simulating signal; Constitute metering circuits such as thermal resistance and mV mA by operational amplifier U16a U16b U16c triode P1 P2 relay J-O JJO resistance R 20-R24 R1 diode D1 D2 stabilivolt Z3 operational amplifier U (P07) and V/F converter (VCF32); Control line, address wire and the data line of interface circuit U3 (8255) interface circuit U4 (8155) storage circuit U5 (2764) storage circuit U6 (6264) is connected with the corresponding line of microprocessor U1 respectively; Constitute on-line automatic correction hardware circuit by relay J-0-01-J-0-04, accurate voltage stabilizer 1403, precision resistance R31-R37; Frequency dividing circuit U10, phase inverter U8:d U8:e, capacitor C 0 C1 C10, resistance R 1 R2 R3 R4 constitute watchdog circuit; Be connected with the base stage T1-T8 of the triode N17-N24 of warning output circuit by the Pa0-Pa7 mouth resistance R 17 of the interface circuit U3 in the intelligent collection board main system and add the warning output circuit that relay T1-T8 constitutes this instrument; What the instrument backboard had that main frame provides carries out RS-232C, the RS-485 communication port of exchanges data with external unit; The floppy disk and the internal HDD that are inserted in the multifunction card connection on the motherboard carry out the storage of mass data, be inserted in the display circuit that the corresponding flat-panel monitor of display card on the motherboard and panel constitutes, multifunction card all adopts Standard PC/AT-bus with display card and being connected of CPU (central processing unit); A membrane keyboard and a QWERTY keyboard interface that is connected with motherboard have been designed in the panel bottom; The UPS electric power system of built-in no cooling fan; It is characterized by: CPU (central processing unit), with single-chip microcomputer U1 is the data acquisition circuit plate of core, the high density graph display circuit, high-capacity disk, magneto-optic disk, CD storage medium, panel and keypad and external connection keyboard interface and communication interface, built-in ups power is installed in the standard industry record watchcase, and the no pen that constitutes a station symbol pseudotype formula does not have paper matrix and intends the journal instrument.

2. it is characterized in that by the described registering instrument of claim 1: owing to carry out data recording with disk, magneto-optic disk, CD media, use flat pannel display, so record need not paper, notes recording medium, realized not having non-maintaining (the exempting to change lost materials such as paper, pen, ink, slide wire resistance) that a paper does not have paper record and instrument.

3. it is characterized in that by the described registering instrument of claim 1: because built-in ups power can be made the portable record table and use.

4. it is characterized in that by the described registering instrument of claim 1: panel is equipped with 3.5 inches floppy disk and built-in hard disk drive.

5. it is characterized in that by the described registering instrument of claim 1: panel has the film button dish and the external intelligent keyboard interface of frequent operation.

6. it is characterized in that by the described registering instrument of claim 1: the rear panel design has RS-232C, RS-485 communication port.

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