CN1514206A - Radio communication type IC card heat supply monitoring device - Google Patents
Radio communication type IC card heat supply monitoring device Download PDFInfo
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- CN1514206A CN1514206A CNA031322441A CN03132244A CN1514206A CN 1514206 A CN1514206 A CN 1514206A CN A031322441 A CNA031322441 A CN A031322441A CN 03132244 A CN03132244 A CN 03132244A CN 1514206 A CN1514206 A CN 1514206A
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- 238000004891 communication Methods 0.000 title description 14
- 238000012806 monitoring device Methods 0.000 title 1
- 238000002955 isolation Methods 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims description 12
- 230000005622 photoelectricity Effects 0.000 claims description 10
- 230000011218 segmentation Effects 0.000 claims description 10
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- 102100029250 RNA-binding protein 14 Human genes 0.000 claims description 3
- 238000013500 data storage Methods 0.000 abstract description 2
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- 230000006870 function Effects 0.000 description 19
- 238000007726 management method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
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- 241001269238 Data Species 0.000 description 2
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- Y02B90/241—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/30—Smart metering, e.g. specially adapted for remote reading
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- Y04S20/32—
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- Credit Cards Or The Like (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
A device uses single-chip computer (SCP) as a centre as read-write interface of SCP is connected to read-write interface of IC card, SCP clock end is connected to clock chip, SCP input end is connected to functional button interface, SCP signal output end is connected separately with section form liquid display interface and valve driving circuit, the single-chip computer is also connected separately to Z2PROM data storage, serial expander and photoelectric isolation level converter which is connected to external data radio station and intelligent instrument with another end of it.
Description
One, technical field
The present invention be a kind of with IC-card to the device that heating system manages, belong to the technical field of heat supply monitoring system intelligent management.
Two, background technology
In industries such as the electric power in city, heat supply, water supply, air feed, traffic, for satisfying the operational management requirement, need important place (as user side) in institute's range of control be monitored in real time, to guarantee the normal operation of supply system.Yet traditional energy supply industry is all carried out to use earlier and is afterwards paid consumption pattern, has caused and has been in arrears with, resists and pay dues, and for receiving unequal drawback, has seriously influenced supplier's economic benefit, has restricted the development of energy industry.At present the product that can overcome above defective is not arranged as yet in heat supply monitoring systems technology field.
Three, summary of the invention
1, technical matters
The purpose of this invention is to provide a kind of wireless telecommunications formula integrated circuit card heat supply monitoring apparatus that heating system is managed with IC-card
2, technical scheme
Wireless telecommunications formula integrated circuit card heat supply monitoring apparatus of the present invention is the center with the single-chip microcomputer, the access hole of single-chip microcomputer and IC-card (integrated circuit card) read-write interface joins, the clock end and the clock chip of single-chip microcomputer join, the input port end and the function button interface of single-chip microcomputer join, the signal output part of single-chip microcomputer joins with segmentation LCD interface and valve driving circuit respectively, and single-chip microcomputer also meets E respectively
2PROM data-carrier store, serial extended unit, photoelectricity isolation level converter, the other end of light isolation level converter joins with the data radio and the intelligence instrument of outside.
On concrete structure, the transistorized base stage in " RAO " termination IC-card read-write interface of single-chip microcomputer " U1 ", the integrated circuit " U2 " in " RA1～RA4 " of single-chip microcomputer " U1 " and the IC read-write interface joins; " RD2/PSP2 " end of " SCLK " termination single-chip microcomputer " U1 " of clock chip " U3 "; " RB2, RB3, RB7 " end that function connects keyed jointing mouth " KEY1 " and single-chip microcomputer " U1 " joins; E
2PROM data-carrier store " U6 " connects single-chip microcomputer " U1 " " RB4, BA3 " end; The segmentation LCD interface connects single-chip microcomputer " U1 " " RA4/TOCKI, RB1 " end; Input end in the valve driving circuit is " RB6 " end that the input end of Sheffer stroke gate " U7A " connects single-chip microcomputer " U1 "; " PIN, DOUT, SCLK, the CS " of serial extended unit " U4 " holds, and connects " 24,23,22,21 " pin of single-chip microcomputer " U1 " respectively; " T1IN " of photoelectricity isolation level converter " U5 " connects " 25 " pin of single-chip microcomputer " U1 ", " TX " end of " T2IN " termination serial extended unit " U4 " of photoelectricity isolating converter " U5 ".
3, beneficial effect
This device, is introduced the IC-card technology resource provisioning is managed as the control unit in micro controller, changes earlier and pays to prepaying back usefulness with the back, has simplified management difficulty, from solved the problems referred to above at all.This device by two RS232 standards easily with serial line interfaces such as data radio station, intelligence instrument, thereby constitute orderly management, supervisory system in real time.Improved operation and management level greatly, both guaranteed the direct economic benefit of enterprise, reached the purpose that makes full use of resource again heating system.Wherein, the management of IC-card comprises that control, exchanges data, management and statistical report form printing etc. all can be finished by supplier's computing machine, is convenient to management.This device is as the key basic components of real-time monitoring system, has that memory capacity is big, data security good, antijamming capability is strong, easy and simple to handle a, advantage such as speed is fast, and is significant to the realization and the performance of total system.
1. employing telecommunication technology is realized the wireless networking of heat supply (comprising industries such as power supply, water supply, air feed, traffic) supervisory system;
In micro controller as the control unit, introduce the IC-card technology heat supply (comprising industries such as power supply, water supply, air feed, traffic) managed, change earlier and pay to usefulness after prepaying with the back, simplified management difficulty, improved benefit.Funtion part:
1. pre paid functionality: the user holds IC-card to supplier's pre-payment, and administrative authority writes supply in IC-card, simultaneously with user's supply situation input system Computer Database.The user inserts this device with IC-card again, could opening controlling valve.When the amount of purchasing when using up, operation valve can be closed automatically, promptly possesses quantitative control function.
2. time-shared charge: this device can be realized time-shared charge control effectively by software programming.The supplier can divide the consumption peak period (be called for short peak period), consumption low-valley interval (being called for short the paddy period), general period (being called for short section at ordinary times) etc., unit price (rate) difference of different period expenses, thus guaranteed user's interests.
3. whether function quantitatively exceeds the quata: when the Stored Value in the IC-card is not enough, can allow the user to exceed the quata to use a certain amount of by supplier's decision, as exceed appointment excess, closed control valve immediately, stop supplies.During user's Stored Value next time, the supply deduction that will exceed the quata to use in IC-card both provided users with the convenient like this, and main is to have guaranteed that the supplier does not suffer a loss.
4. show, the timing controlled function: the user can check time, current consumption and the amount of purchasing.Operation valve can be opened or close by the time of function button configuration switch operation valve according to the user.
5. encryption function: user identification code is unique corresponding with the IC-card charging control device that is contained in the user place.
Four, description of drawings
Fig. 1 is a general structure synoptic diagram of the present invention, and single-chip microcomputer 1, IC-card read-write interface 2, clock chip 3, function button interface 4, E are wherein arranged
2PROM data-carrier store (5), segmentation LCD interface 6, valve driving circuit 7, serial extended unit (8), photoelectricity isolation level converter (9).
Fig. 2 is an electrical block diagram of the present invention.Fig. 3 is the electrical block diagram of left-half among Fig. 2 of the present invention.
Five, embodiment
Wireless telecommunications formula integrated circuit card heat supply monitoring apparatus of the present invention is the center with single-chip microcomputer 1, the access hole of single-chip microcomputer and IC-card read-write interface 2 join, sheet 3 joins between the clock end of single-chip microcomputer and clock, the input port end and the function button interface 4 of single-chip microcomputer join, the signal output part of single-chip microcomputer joins with segmentation LCD interface 6 and valve driving circuit 7 respectively, and single-chip microcomputer also meets E respectively
2PROM data-carrier store 5, serial extended unit 8, photoelectricity isolation level converter 9, the other end of light isolation level converter joins with the data radio and the intelligence instrument of outside.
The base stage of the transistor T 1 in " RAO " termination IC-card read-write interface 2 of single-chip microcomputer " U1 ", the integrated circuit " U2 " in " RA1～RA4 " of single-chip microcomputer " U1 " and the IC read-write interface 2 joins; " RD2/PSP2 " end of " SCLK " termination single-chip microcomputer " U1 " of clock chip 3 " U3 "; " RB2, RB3, RB7 " end that function connects keyed jointing mouth " KEY1 " and single-chip microcomputer " U1 " joins; E
2PROM data-carrier store " U6 " connects single-chip microcomputer " U1 " " RB4, BA3 " end; The segmentation LCD interface connects single-chip microcomputer " U1 " " RA4/TOCKI, RB1 " end; Input end in the valve driving circuit is " RB6 " end that the input end of Sheffer stroke gate " U7A " connects single-chip microcomputer " U1 "; " PIN, DOUT, SCLK, the CS " of serial extended unit " U4 " holds, and connects " 24,23,22,21 " pin of single-chip microcomputer " U1 " respectively; " T1IN " of photoelectricity isolation level converter " U5 " connects " 25 " pin of single-chip microcomputer " U1 ", " TX " end of " T2IN " termination serial extended unit " U4 " of photoelectricity isolating converter " U5 ".
1.PIC16C74 the PIC16C74 that this device of single-chip microcomputer is selected for use is 8 EPROM types of a kind of New-type CMOS technology single-chip microcomputer of being produced by U.S. Microchip company, has low-power consumption, low-work voltage, high-performance, high-speed, complete static, stronger characteristics such as the direct driving force of pin.This single-chip microcomputer is in the low-power consumption dormant state when static state, power consumption is less than 3uA.When receiving external command, the IC-card operation is arranged or arriving valve switching times, single-chip microcomputer just transfers duty to by dormant state.It also has safety protective circuits such as electrification reset, house dog in the sheet.Single-chip microcomputer adopts serial communication mode and each peripheral components communication, makes hardware circuit obtain simplifying, thereby reduces the cost of product.
2.IC the ciphering type smart card SLE4442 that card and read-write interface circuit IC-card adopt German simens company to produce, it is the E able to programme of 256 bytes that this jig has storage capacity
2The protected storage of PROM primary memory and one 32 bit strip PROM function, its contact configurations and serial line interface meet the ISO7816 standard, possess and have only the characteristic that could revise data behind the correct 3 bytes password able to programme (encryption memory block) of input.If continuous 3 times check errors occurs, then card is automatically locked, and data can only be read, and again can not rewrite.Have good machine readwrite performance, good security precautions technology.IC-card also has diamagnetism, antistatic and anti-various ray interference capability, and anti-machinery, chemical depletion ability are also very strong.At present, this card erasable at least 10
6Inferior, the data retention period in 10 years is arranged.
IC-card read-write interface circuit mainly is made of IC-card deck and holding circuit, has realized the physical connection of PIC single-chip microcomputer and IC-card, and plug-in card is protected.The IC-card interface circuit has 8 pins, when card inserts interface, just in time links to each other with these several pins.Deck adopts the sliding contact formula, and it has a card to insert detector switch, is used for detecting IC-card and whether inserts deck.When card inserts, change the state of switch, make the monolithic function detect the insertion of card.This plug formula deck has that circuit contacts is good, the advantage of reliable communications.
3.E
2This device of PROM data storage E
2PROM stores critical datas such as machine number, real time data, cumulative data.E
2What PROM selected for use is the 24LC02B chip that U.S. microchip company produces, and its memory capacity is 256 bytes (if memory space is not enough, can select 24LC02B for use), adopts two wires I
2C serial bus protocol and PIC microcontroller communication.This chip adopts the manufacturing of Low-Power CMOS technology, can be under non-powered state significant data in the storage system reliably and with long-term, mission life can reach 10
6Inferior.
4. adopt clock chip to produce system time in the clock chip circuit, to realize the timing controlled function.That clock chip is selected for use is the high-performance of U.S. DALLAS company, the real-time timepiece chip DS1302 of low-power consumption band RAM.This chip can to second, branch, the time, day, week, the moon and year count, can also adjust the date at the end of month automatically, can proofread and correct the leap year.
5. segmentation liquid crystal display circuit display module is used to show time that current system time, user set, residue and error message etc. prestore.What adopted the display part is the segmentation LCD MODULE, can show 8 numerals and 6 groups of prompts.This module is reflectively just to show, communicates with three-wire type serial line interface and computing machine.
6. be provided with 3 function buttons in the function button interface circuit altogether, a personal-machine interface is provided, be mainly used in setting-up time, can also between time showing and supply demonstration, switch.
7. valve control Driver Circuit valve driving circuit comes closing, opening of operation valve by adopting relay.The two-bit triplet solenoid valve adopts pulse control by 6 volts of power supplies of direct current, only just power consumption in the process of opening and closing.
8. serial ports expansion interface circuit and level conversion, photoelectric isolating circuit PIC16C74 singlechip chip itself have a two-wire system serial communication interface SCI, and serial expanded circuit adopts the MAX3100 chip to expand a serial line interface again.The RS232 transceiving chip MAX232 that the single+5V that adopts U.S. MAXIM company to produce powers realizes level conversion, and Transistor-Transistor Logic level is converted to the RS232 level.Simultaneously, this chip internal is integrated photoelectric isolating circuit need not add photoelectric isolating device, has both simplified circuit, has had and has reduced the signal interference, has guaranteed the effect of the accuracy of data transmission.Like this, this device has just had two RS232 standard serial communication interfaces, can be easily and peripheral hardware, and realize serial data communication as intelligence instrument, computing machine, data radio station etc., thereby realize functions such as data acquisition, data management and remote monitoring.
This device is by alternating current 220V power source conversion one-tenth+5V single power supply power supply, with the PIC16C74 single-chip microcomputer as hardware circuit core and IC-card card reading interface circuit, E
2The serial data communication of peripheral circuits such as PROM, clock chip, liquid crystal display circuit, function button interface, valve driving and serial ports expansion, by it being programmed to realize reading and writing to the data of storing in the IC-card, and produce pulse signal valve is carried out open and close control, integrated level is higher.User side can be as required, and by the function selecting key configuration switch valve time, time showing and supply show 3 kinds of functions, and be simple to operation.The segmentation LCDs can show the interior data value of running status, time, user's IC-card of this device intuitively.
The working method of device can be arranged to the full duplex asynchronous system that communicates with external units such as intelligence instruments, computing machine, data radio station, realizes monitoring in real time.The control register of the serial port of single-chip microcomputer can be used to be provided with working method, baud rate that transmission or accepting state, Q-character, data transmit and acceptance, transmission interrupt flag bit.The data register of serial port is total for sending and receiving, and when satisfying condition, write data and just start process of transmitting in data register, otherwise read data register just starts receiving course.
This device has two RS232 standard serial interfaces, and convenient and external unit carries out serial communication, and can be used for multi computer communication.The rate request that communication modes can transmit according to data is with software setting realize delaying time waiting mode, inquiry mode or interrupt mode work.Wherein, the transmission of adopting interrupt mode to finish data can improve resource utilization to a greater extent.Direct or indirect and the single-chip microcomputer serial communication by computing machine, the message exchange of finishing device and computing machine etc. realizes near-earth or long-range Card Reader, control operation.For example, this device passes through the RS232 standard interface with field intelligent instrument, data radio station, read in the related datas such as flow that collect by field intelligent instrument, and the user purchases surplus in advance, after rough handling, send data radio station to, by wireless communication mode, the central computer that transfers data to the supplier is for data processing.The computing machine instruction that makes decisions sends to this device via wireless telecommunications with instruction again, and this device is done corresponding control according to instruction.So just realized remote monitoring.
Claims (2)
1, a kind of wireless telecommunications formula integrated circuit card heat supply monitoring apparatus, it is characterized in that this device is the center with single-chip microcomputer (1), the access hole of single-chip microcomputer (1) and IC-card read-write interface (2) join, the clock end of single-chip microcomputer (1) and clock chip (3) join, the input port end of single-chip microcomputer (1) and function button interface (4) join, the signal output part of single-chip microcomputer (1) joins with segmentation LCD interface (6) and valve driving circuit (7) respectively, and single-chip microcomputer (1) also meets E respectively
2PROM data-carrier store (5), serial extended unit (8), photoelectricity isolation level converter (9), the other end of light isolation level converter (9) joins with the data radio and the intelligence instrument of outside.
2, wireless telecommunications formula integrated circuit card heat supply monitoring apparatus according to claim 1, the base stage that it is characterized in that the transistor (T1) in " RAO " termination IC-card read-write interface (2) of single-chip microcomputer " U1 ", " RA1～RA4 " of single-chip microcomputer " U1 " joins with integrated circuit " U2 " in the IC read-write interface (2); " RD2/PSP2 " end of " SCLK " termination single-chip microcomputer " U1 " of clock chip (3) " U3 "; " RB2, RB3, RB7 " end that function connects keyed jointing mouth (4) " KEY1 " and single-chip microcomputer " U1 " joins; E
2PROM data-carrier store (5) " U6 " connects single-chip microcomputer " U1 " " RB4, BA3 " end; Segmentation LCD interface (6) connects single-chip microcomputer " U1 " " RA4/TOCKI, RB1 " end; Input end in the valve driving circuit (7) is " RB6 " end that the input end of Sheffer stroke gate " U7A " connects single-chip microcomputer " U1 "; " PIN, DOUT, SCLK, the CS " of serial extended unit " U4 " holds, and connects " 24,23,22,21 " pin of single-chip microcomputer " U1 " respectively; " T1IN " of photoelectricity isolation level converter " U5 " connects " 25 " pin of single-chip microcomputer " U1 ", " TX " end of " T2IN " termination serial extended unit " U4 " of photoelectricity isolating converter " U5 ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03132244 CN1235018C (en) | 2003-08-05 | 2003-08-05 | Radio communication type IC card heat supply monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03132244 CN1235018C (en) | 2003-08-05 | 2003-08-05 | Radio communication type IC card heat supply monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1514206A true CN1514206A (en) | 2004-07-21 |
| CN1235018C CN1235018C (en) | 2006-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03132244 Expired - Fee Related CN1235018C (en) | 2003-08-05 | 2003-08-05 | Radio communication type IC card heat supply monitoring device |
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| Country | Link |
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| CN (1) | CN1235018C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454004A (en) * | 2013-09-10 | 2013-12-18 | 中环天仪股份有限公司 | Digital multi-point temperature measuring system and achieving method |
| CN105180264B (en) * | 2015-10-29 | 2018-01-19 | 工大科雅（天津）能源科技有限公司 | On-off time area method collection calculator with IC-card prepaid management function |
-
2003
- 2003-08-05 CN CN 03132244 patent/CN1235018C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454004A (en) * | 2013-09-10 | 2013-12-18 | 中环天仪股份有限公司 | Digital multi-point temperature measuring system and achieving method |
| CN103454004B (en) * | 2013-09-10 | 2015-07-29 | 中环天仪股份有限公司 | A kind of digital multi-drop temp measuring system and implementation method |
| CN105180264B (en) * | 2015-10-29 | 2018-01-19 | 工大科雅（天津）能源科技有限公司 | On-off time area method collection calculator with IC-card prepaid management function |
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| Publication number | Publication date |
|---|---|
| CN1235018C (en) | 2006-01-04 |
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