CN2528042Y - Electric valve intelligent controller - Google Patents
Electric valve intelligent controller Download PDFInfo
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- CN2528042Y CN2528042Y CN 02223242 CN02223242U CN2528042Y CN 2528042 Y CN2528042 Y CN 2528042Y CN 02223242 CN02223242 CN 02223242 CN 02223242 U CN02223242 U CN 02223242U CN 2528042 Y CN2528042 Y CN 2528042Y
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- circuit
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Abstract
The utility model relates to an intelligent electric-valve controller, which comprises a CPU processor, a sampling circuit, an IC card circuit, a keyboard, an adjusting circuit, an EEPROM memory, a low-voltage detection module, a display circuit, a switch valve circuit and a power supply, wherein the CPU processor is taken as a core to finish the reading and outputting of data in the IC card, the utility model can perform pulse signal receiving and sampling, automatic measurement, data processing, human-machine dialogue, pre-charging and can open and close valve automatically according to the rating and display the inputted parameters and current state, moreover the utility model has the functions of three power supplies and automatic opening and closing for low-voltage detection. The utility model has the advantages of all-round functions, reasonable design, advanced technique, and excellent performance.
Description
Technical field
The utility model relates to a kind of control device, is specifically related to a kind of electric valve intelligent controller.
Background technology
For a long time, user's water, electricity consumption, gas consumption all is to adopt the mechanical type counting mode, manage by the manual metering charging, administrative authority is difficult in time know each user's water, electricity consumption, operation conditions with gas situation and each table, let alone user situation carried out real-time automatic control and scheduling, even the stem-winder that has damages still in power supply in the same old way, supply water, air feed, in charging process, also there is simultaneously the sum of errors cheating, the manual metering tollbooth needs the attendant many, the wage cost height, labour intensity is big, accuracy is low, the entity and individual that particularly have are in arrears with water rate for a long time, the electricity charge, gas expense, cause water supply,, the capital turnover is not quick enough in gas unit, sustains a great loss economically.
Summary of the invention:
Technical problem to be solved in the utility model is: solve that existing machinery formula count table manual metering toll collector is many, labour intensity is big, wage cost is high, accuracy is low, error cheating leak is big, be in arrears with the serious original backward situation of expense phenomenon, and provide that a kind of cost is low, reliability is high, antijamming capability is strong, long service life, accurate measurement in time, effectively prevent sum of errors cheating, implementation prepaid, supply the electric valve intelligent controller of water, electricity, gas unit-economy remarkable benefit.
The technical solution adopted in the utility model is: this electric valve intelligent controller has the CPU processor, sample circuit, the IC-card circuit, keyboard, regulating circuit, eeprom memory, under-voltage detection module, display circuit, switch valve circuit and power unit, controller is a core with the CPU processor, connect above-mentioned each circuit respectively, finish reading in and exporting of data on the information carrier IC-card, receive the pulse signal that sample circuit is gathered, pass through keyboard, regulating circuit carries out man-machine conversation, automatic gauge, carry out data processing, realize prepaid and pass through switch valve circuit controling switch valve according to quota, by under-voltage detection module monitoring power voltage, send when voltage is on the low side and close the valve order, same by switch valve circuit controling switch valve, display circuit shows the parameter and the controller current state of input, eeprom memory periodically is kept at user profile in the eeprom memory, power unit offers Switching Power Supply, lithium battery, three-phase 380V alternating current, Switching Power Supply is the relay coil power supply, lithium battery is each circuit power of controller, and three-phase 380V alternating current is the valve body motor power.
The utility model adopts the MCU microcomputer chip, and metering is intelligent, has the gas of purchasing prompting function, tolerance is used up the valve-closing function, does not influence controller sample count function after the power down, valve opening, when closing, the aperture table shows the unlatching of valve or closes degree, shows the state of valve; The utility model also adopts the intellective IC card management scientification, realizes the prepaid function, background computer management function, password authority forwarding function, the utility model is based on the sensor of advanced technology, measuring accuracy height, liquid crystal display, read intuitively, by explosion-proof detection, safe and reliable.The utility model has changed the original backward situation that traditional mechanical watch metering manual metering statistics toll collector is many, labour intensity is big, wage cost is high, accuracy is low, error cheating leak is big, the expense of being in arrears with is serious fully.The utility model has improved meter checker and fee collector's condition of work, has reduced the production cost of relevant enterprise, has improved productivity effect, has improved the modern management level, technical feature is good.
Description of drawings:
Fig. 1 is the utility model theory diagram
Fig. 2 implements circuit theory diagrams for the utility model
Embodiment:
Referring to Fig. 1 electric valve intelligent controller principle block diagram:
A:CPU processor P IC16C57
The PIC16C57 chip is as microprocessor chip: mainly finish reading in and exporting of data on the information carrier IC-card; Come controlled valve by norm according to tolerance when the user is used combustion gas, finish gas quantity prepaid function; To the tolerance automatic gauge of user the time with gas; Send when monitoring power voltage is on the low side and close the valve order; Finish the man-machine conversation function: the parameter and the current state of controller that show input; For making data dump and to make the data of its storage not lose, periodically be kept at user's usefulness gas information among the EEPROM; Have false proof, gas-robbery resistence, maloperation identification record, gas meter, flow meter fault detect simultaneously and close functions such as valve, emergency gas.B: sample circuit
Sample circuit is mainly finished the collection of pulse signal: adopt the double dry-reed pipe sampling, send the CPU processor to count automatically the pulse signal of gathering.C:IC card circuit
Owing to adopt IC (chip is AT88SC1604) card as information carrier, so in design process, must select a smart card deck that performance is good, and deck is the intermediary that card connects with application system, comprise: go up the contacted electrical contact of PCB (being circuit board) with card, fix mechanical hook-up with ejecting card, the mount pad that links with system architecture, electric terminal that links with circuit system etc.Major function: purchasing tolerance is inputed to controller by IC-card as information carrier, and deposit among the EEPROM (93LC46B), controller receives and to be installed in the pulse signal that metering base table inner sensor is sent here, and according to the pulse signal institute's data recovered of examining and making cuts.
The deck that native system adopted is by exploitation of U.S. MPG company and production, and this properties of product brilliance, its main body framework are thermoplastics, are embedded with reed contact and contact pin above, and it is connected on the pcb board by contact pin.Card inserts from spigot, and when being inserted into, the elastic force of reed contact and card is fixed, and except 8 contacts of routine, also has a pair of normally closed contact, and card disconnected when being inserted into, whether was inserted into the position in order to test card, and when moving back, firmly outer pulling out gets final product.In the plug process of card, between the reed contact card slip is arranged, because combustion gas user plug-in card is not very frequent, so select for use this deck simple in structure.Cost is low.
According to the selected IC-card of system is the encrypted card 88SC1604 of atmel corp.8 contacts to blocking according to its PCB module contact are connected B mouth high 4 of microprocessor respectively shown in accompanying drawing A, termination power with normally closed contact, whether the other end is received 21 pin (being 3 pin of the C mouth of single-chip microcomputer) of single-chip microcomputer, judge to block to insert with software detection to put in place.All the other pins (except that the fusing pin) are ground connection all.
D: keyboard, regulating circuit
1: inquiry button
Touch button by one and be connected with the CPU processor, press " inquiry button ", send a low level signal to the CPU processor signal, liquid crystal display can circulate and show residue tolerance, total gas consumption.
2: regulating circuit
Connect by potentiometer and aperture epiphase, adjust the aperture situation of valve.
E: under-voltage detection module
This module is made up of the under-voltage detection chip of HT7027, reduce to 2.7V when following when supply voltage (lithium battery), under-voltage detection chip output low level signal is given the CPU processor, after the CPU processor receives low level signal, send the pass valve signal, notice switch valve circuit valve-off.
F: display circuit
Display circuit is made up of liquid crystal display, LED demonstration, aperture table.
Liquid crystal display circuit is made up of the HT1621 binding module, and the CPU processor links to each other with the HT1621 chip by three I/O lines, can show purchase tolerance, residue tolerance, emergent, fault, break rules and regulations, Card Reader password mistake, open the valve state.
LED shows: when valve reached " standard-sized sheet " state, it was bright to open the valve pilot lamp; When valve reached " full cut-off " state, pass valve pilot lamp was bright; When controller residue tolerance is 500M3 or 2000M3, closes the valve early-warning lamp and ceaselessly glimmer.
The aperture table: along with the unlatching of valve or close, the rotation of the turning handle by WW POT also changes the size of current of aperture table gradually, thereby can show the unlatching of valve or close degree.
G: switch valve circuit (control threephase motor switch valve)
According to having or not of controller residue tolerance, the CPU processor sends the switch valve order:
When residue tolerance was zero, the CPU processor sent and closes the valve order, closes the valve relay closure, and valve is closed in threephase motor (three-phase electricity is arranged) action, and when valve reached " complete shut-down " state, circuit cut off automatically.Finish and close the valve function.
When residue tolerance was non-vanishing, the CPU processor sent out the valve order, opens the valve relay closure, and valve is left in threephase motor (three-phase electricity is arranged) action, and when valve reached " standard-sized sheet " state, circuit cut off automatically.Finish out the valve function.
The H:EEPROM storer
The CPU processor links to each other with eeprom memory 93LC46 by 4 I/O mouth lines, and system has adopted 93LC46EEPROM in design.Do not lose when making data can dump and make the data power down of its storage, the CPU processor periodically is kept at user's usefulness gas information among the EEPROM.
I: power unit
Switch power module (model is the input of PS12V8WS-ADT, alternating current 220V, direct current 12V output) is for driving valve relay, closing valve relay coil voltage is provided; Relay coil is for adopting direct current 12V.
3.6V/5AH being controller each several part (sample circuit, IC-card circuit, eeprom memory, display circuit, undervoltage detection circuit, CPU processor), lithium battery provides 3.6V working power.
Three-phase 380V alternating current provides power for the valve body motor.
Referring to Fig. 2 electrical schematic diagram
Circuit analysis is as follows:
U1:PIC16C57; U2:93LC46; U3:HT7027; U4:(AT88SC1604) IC-card deck U5:LCD display module U6: switch power module
(1) R1 and C2 constitute reset circuit of SCM, and single-chip microcomputer can be resetted when powering on reliably;
(2) pull-up resistor R5, R4 and tongue tube MC, GR constitute the controller sample circuit: judge at first whether tongue tube GR is closed: the 18th pin RC0 of U1 is by high step-down when tongue tube GR is closed; Judge then whether tongue tube MC is closed, and the 19th pin RC1 of U1 is by high step-down when tongue tube MC is closed; Tongue tube MC and GR take turns closure once, and single-chip microcomputer will be counted once automatically.When tongue tube MC, GR were closed simultaneously, single-chip microcomputer sends to be operated order against regulations and corresponding prompt is arranged.
(3) XTAL and C3, C4 constitute the single-chip microcomputer oscillatory circuit, produce the 2MHz oscillation frequency.
(4) U4 is the IC-card deck: according to the selected IC-card of system is the encrypted card 88SC1604 of atmel corp.8 contacts to blocking according to its PCB module contact are connected B mouth high 4 of microprocessor respectively shown in accompanying drawing A, with a termination power of normally closed contact, the other end is received 21 pin (being 3 pin of the C mouth of single-chip microcomputer) of single-chip microcomputer; Owing to adopt IC-card as information carrier, so in design process, must select a smart card deck that performance is good, and deck is the intermediary that card connects with application system, comprise: go up the contacted electrical contact of PCB with card, fix mechanical hook-up with ejecting card, the mount pad that links with system architecture, electric terminal that links with circuit system etc.
During inserted IC card, U4:JA is not a low level, and IC-card does not power on;
IC-card is when spigot is inserted into, and normally closed contact disconnects, and U4:JA is by the low high level that becomes, single-chip microcomputer PIC.6 pin (RA0) output low level then, and triode DG7 conducting powers on to IC-card, and single-chip microcomputer is by 4 I/O lines and IC-card swap data.After IC-card was extracted from spigot, U4:JA was that high level becomes low level, single-chip microcomputer PIC.6 pin (RA0) output high level, and triode DG7 is by cutting off the IC-card power supply.
(5) for to make data can dump and make the data of its storage not lose, single-chip microcomputer 6 pin (RA0) are output low level regularly, power on for EEPROM (93LC46) by triode DG7, link to each other with EEPROM (93LC46) by 4 I/O lines then, user's usefulness gas information is kept among the EEPROM (93LC46).
(6) reduce to 2.7V when following when supply voltage, the 2 pin output low levels of voltage checking chip U5 (HT7027) after the input pin RA1 (7) that links to each other with single-chip microcomputer detects low level, are sent and are closed the valve order.
(7) switch of valve driving machine need be connected three-phase alternating-current supply
Energized is opened and is pressed power switch, and power light XD1 (or LPOWER) is bright, and the expression complete machine is switched on.
When (A) residue tolerance is non-vanishing in the controller:
Single-chip microcomputer 24 pin (RC6) output high level, field effect transistor M2 conducting, the complex pipe of being made up of N2, N4 is in the state of cutting, and closes the valve relay coil owing to do not power on, and relay is failure to actuate, and TA point and GA point disconnect.Single-chip microcomputer 25 pin (RC7) output low level, field effect transistor M4 ends, and the complex pipe of being made up of N3, N5 is in conducting state, and+12V power supply is added in out on the valve relay coil, makes the relay power action, and the TA point is communicated with the KA point.The valve driving machine power supply is connected in contactor KC adhesive, and valve begins to open, and when valve reached " standard-sized sheet " position, the protruding normally closed contact that presses travel switch WK1 of counter made its disconnection, circuitry cuts, and contactor KC resets, and motor stops operating.The normal opened contact closure of WK1 is opened valve indication lamp housing simultaneously, and the expression valve is in " standard-sized sheet " position.
When (B) residue tolerance is zero in the controller:
Single-chip microcomputer 25 pin (RC7) output high level, field effect transistor M4 conducting, the complex pipe of being made up of N3, N5 is in the state of cutting, and opens the valve relay coil owing to do not power on, and relay is failure to actuate, and TA point and KA point disconnect.Single-chip microcomputer 24 pin (RC6) output low level, field effect transistor M2 ends, and the complex pipe of being made up of N2, N4 is in conducting state, and+12V power supply is added in and closes on the valve relay coil, makes the relay power action, and the TA point is communicated with the GA point.The valve driving machine power supply is connected in contactor GC adhesive, and valve begins to close, and when valve reached " full cut-off " position, the protruding normally closed contact that presses travel switch WK2 of counter made its disconnection, circuitry cuts, and contactor GC resets, and motor stops operating.The normal opened contact closure of while WK2, pass valve pilot lamp is bright, and the expression valve is in " full cut-off " position.
(C) at valve opening or close in the closed procedure, if microswitch WK3 OR WK4 action when the torque on the output shaft surpasses the controlling torque of torque controling mechanism, the power supply that cuts off KC or GC stops operating motor.Reset because of the normally closed contact that pressurized in advance disconnects this moment, and breakdown lights is bright, represents overtorque.
(D) along with the unlatching of valve or close, the rotation of the turning handle by WW POT W1 also changes the size of current of aperture table gradually, thereby can show the unlatching of valve very intuitively or close degree
The turning handle of rotation W2 (adjusting on the controller panel) can be adjusted the full scale of aperture table.
(8) residue tolerance is smaller or equal to 2000 (500) cubic inches in controller, and the square wave of single-chip microcomputer 22 pin (RC4) output certain frequency is connected to the source electrode of field effect transistor by R19, makes the flicker that " closing the valve early-warning lamp " do not stop.Need augment tolerance with the prompting user.
(9) the LCD panel display mode is bright (the 380V alternating current must be arranged) entirely
Press " inquiry " key CX, single-chip microcomputer is declared 23 pin input states by high level step-down level, RC2 pin output low level, and triode P1 conducting powers on to LCD panel, considers the serviceable life of lithium battery.During the program dormancy, LCD panel by Switching Power Supply output+the 12V power supply powers by D4 (diode-isolated) with the R20 dividing potential drop through R21.Single-chip microcomputer links to each other with Liquid Crystal Module by two I/O line RA2, RA3, and required data presented is presented on the liquid crystal display.
Claims (1)
1, a kind of electric valve intelligent controller, it is characterized in that having the CPU processor, sample circuit, the IC-card circuit, keyboard, regulating circuit, eeprom memory, under-voltage detection module, display circuit, switch valve circuit and power unit, controller is a core with the CPU processor, connect above-mentioned each circuit respectively, finish reading in and exporting of data on the information carrier IC-card, receive the pulse signal that sample circuit is gathered, pass through keyboard, regulating circuit carries out man-machine conversation, automatic gauge, carry out data processing, realize prepaid and pass through switch valve circuit controling switch valve according to quota, by under-voltage detection module monitoring power voltage, send when voltage is on the low side and close the valve order, same by switch valve circuit controling switch valve, display circuit shows the parameter and the controller current state of input, eeprom memory periodically is kept at user profile in the eeprom memory, power unit offers Switching Power Supply, lithium battery, three-phase 380V alternating current, Switching Power Supply is the relay coil power supply, lithium battery is each circuit power of controller, and three-phase 380V alternating current is the valve body motor power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02223242 CN2528042Y (en) | 2002-01-11 | 2002-01-11 | Electric valve intelligent controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02223242 CN2528042Y (en) | 2002-01-11 | 2002-01-11 | Electric valve intelligent controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2528042Y true CN2528042Y (en) | 2002-12-25 |
Family
ID=33700998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02223242 Expired - Fee Related CN2528042Y (en) | 2002-01-11 | 2002-01-11 | Electric valve intelligent controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2528042Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169612A (en) * | 2011-04-20 | 2011-08-31 | 哈尔滨工程大学三金高新技术有限责任公司 | IC card intelligent gas meter capable of using gas alarm switch valve |
| CN107590987A (en) * | 2017-10-23 | 2018-01-16 | 天津云拓网络科技有限公司 | A kind of long-distance meter-reading system based on low-power consumption Internet of Things |
| CN108490827A (en) * | 2018-03-09 | 2018-09-04 | 氟络塞尔特种阀门(苏州)有限公司 | A kind of method of the automatic monitoring analysis fluid of electrically operated valve |
-
2002
- 2002-01-11 CN CN 02223242 patent/CN2528042Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169612A (en) * | 2011-04-20 | 2011-08-31 | 哈尔滨工程大学三金高新技术有限责任公司 | IC card intelligent gas meter capable of using gas alarm switch valve |
| CN107590987A (en) * | 2017-10-23 | 2018-01-16 | 天津云拓网络科技有限公司 | A kind of long-distance meter-reading system based on low-power consumption Internet of Things |
| CN108490827A (en) * | 2018-03-09 | 2018-09-04 | 氟络塞尔特种阀门(苏州)有限公司 | A kind of method of the automatic monitoring analysis fluid of electrically operated valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |