CN101414398B - Multiuser wireless remote intelligent gas meter - Google Patents
Multiuser wireless remote intelligent gas meter Download PDFInfo
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- CN101414398B CN101414398B CN2008101622317A CN200810162231A CN101414398B CN 101414398 B CN101414398 B CN 101414398B CN 2008101622317 A CN2008101622317 A CN 2008101622317A CN 200810162231 A CN200810162231 A CN 200810162231A CN 101414398 B CN101414398 B CN 101414398B
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Abstract
The invention relates to a multiuser wireless remote intelligent gas meter, which belongs to the technical field of the intelligent gas meter. The multiuser wireless remote intelligent gas meter comprises a monolithic processor and a liquid crystal display and a data memory which are connected with the monolithic processor, and further comprises a valve, a card seat, an undervoltage detection module and a wireless circuit module, wherein, the valve, the card seat, the liquid crystal display, the undervoltage detection module and the data memory are respectively connected with corresponding pins on the monolithic processor, and the wireless circuit module is connected with corresponding interfaces on the monolithic processor through a data line, so that the wireless circuit module is connected with the monolithic processor in a signal transmission manner. The structure of the hardware is simple and reasonable, a special zone bit is added in the user card through adjusting the software program, only the information of the card is read when the user card is inserted in the card seat, and the fact that whether the serial numbers of the card are consistent with the meter address is not required to be compared, therefore, the purpose that one gas meter is corresponding to a plurality of user cards is achieved.
Description
Technical field
The invention belongs to the technical field of intelligent gas meter, be specifically related to a kind of multiuser wireless remote intelligent gas meter.
Background technology
It is reliable and function such as anti-theft gaseous arranged that intelligent gas meter has measuring accuracy height, long service life, working stability, therefore, intelligent gas meter is widely used in the metering of the gas buildup flow in places such as boiler industrial and mining enterprises, Gas Company, hotel, shop, school, restaurant, also can be as the centralized measure of residential building combustion gas.Intelligent gas meter has signal output interface in the market, can be connected with the user's computer network, and set the pre-payment controller radio-frequency card, but these prepayment intelligent gas meter, flow meters are are mainly all researched and developed at the house user, every gas meter, flow meter has only unique subscriber card, and in the dormitory of campus, 4 to 8 students being arranged all generally, this moment, this intelligent gas meter then can not satisfy the demand of use.
Summary of the invention
At problems of the prior art, the object of the present invention is to provide a kind of technical scheme of multiuser wireless remote intelligent gas meter, realize the purpose of corresponding many subscriber cards of an intelligent gas meter.
Described multiuser wireless remote intelligent gas meter, comprise single-chip microcomputer and connected liquid crystal, data-carrier store, it is characterized in that also comprising valve, deck, under-voltage detection module, radio-circuit module, valve, deck, liquid crystal, under-voltage detection module, data-carrier store are connected with respective pins on the single-chip microcomputer, the radio-circuit module is connected with the corresponding interface on the single-chip microcomputer by data line, makes to carry out the signal transmission between radio-circuit module and the single-chip microcomputer and be connected.
Described multiuser wireless remote intelligent gas meter is characterized in that being equipped with Signal connector respectively on described radio-circuit module and the single-chip microcomputer, and the radio-circuit module adopts data line to be connected with the Signal connector of single-chip microcomputer, and data line adopts 10 core soft arranging wires.
Described multiuser wireless remote intelligent gas meter, it is characterized in that the radio function of realizing between described radio-circuit module and multiuser wireless remote intelligent gas meter comprises radio meter register, the working time is set, the time of setting, the table truth of a matter is set, new unit price is set, inquiry working time, inquiry remaining sum and unit price, query time, wireless valve, the wireless pass valve opened.
Described multiuser wireless remote intelligent gas meter is characterized in that multiuser wireless remote intelligent gas meter sets the IC-card that cooperates with deck, IC-card comprise micro-traveler, functional test card, subscriber card, zero clearing card.
Described multiuser wireless remote intelligent gas meter is characterized in that described single-chip microcomputer is as follows to the master routine control flow of multiuser wireless remote intelligent gas meter:
M1) at first carry out port initialization, after initialization is finished electric alarm is set, then liquid crystal is carried out internal memory in the liquid crystal initialization and the storer that clears data;
M2) testing data memory, normal as the data storer, initialization multiuser wireless remote intelligent gas meter then, carrying out remaining sum judges the back valve-off and makes clock-reset, judge whether to have magnetic interference then, if magnetic interference is arranged, then show magnetic interference, carry out port initialization and enter low power consumpting state;
M3) if step M2) in the data-carrier store test undesired, then on liquid crystal, show ERR1, and report to the police, carry out then entering low power consumpting state after the port initialization.
Described multiuser wireless remote intelligent gas meter is characterized in that the use flow process of described subscriber card comprises the steps:
N1) check clip pin, judge then whether this subscriber card has the campus card sign, if the campus card sign arranged then check area code, judge then whether subscriber card is provided with alarm set point, if alarm set point need be set, then be provided with and carry out demagnetization behind the alarm set point and disturb and show, then directly do not carry out demagnetization and disturb and show if do not need to be provided with alarm set point, empty negative counting then, this program is finished in the remaining sum and the demonstration back of reading in the card.
N2) if step N1) judge that subscriber card does not have the campus card sign, this program is finished in the remaining sum and the demonstration back of then directly reading in the card.
Hardware configuration advantages of simple of the present invention, by adjusting software program, in subscriber card, add a special zone bit, the information of read-only card taking sheet when subscriber card inserts in the deck, and no longer relatively whether the card numbering is consistent with table address, thereby reaches the purpose of corresponding many subscriber cards of a gas meter, flow meter.
Description of drawings
Fig. 1 is a circuit block diagram of the present invention;
Fig. 2 is a main program flow chart of the present invention;
Fig. 3 is the use process flow diagram of subscriber card of the present invention.
Embodiment
The present invention is described further below in conjunction with accompanying drawing.
Multiuser wireless remote intelligent gas meter, comprise single-chip microcomputer 3 and the valve 1, deck 2, liquid crystal 4, under-voltage detection module 5 and the data-carrier store 6 that are connected the corresponding interface on the single-chip microcomputer 3, radio-circuit module 7 is connected with the corresponding interface on the single-chip microcomputer 3 by data line 8, makes to carry out signal between radio-circuit module 7 and the single-chip microcomputer 3 and transmit and be connected.Be equipped with Signal connector respectively on radio-circuit module 7 and the single-chip microcomputer 3, radio-circuit module 7 adopts data line 8 to be connected with the Signal connector of single-chip microcomputer 3, and data line 8 adopts 10 core soft arranging wires.Wherein, valve 1 adopts valve driving chip L9110 to drive, deck 2 is KF010, and the model of single-chip microcomputer 3 is MSP430F413, and liquid crystal 4 is LCD19, under-voltage detection module 5 is R3111H311C, the model of data-carrier store 6 is AT24C02, and radio-circuit module 7 adopts monolithic radio frequency transponder chip nRFf905, and the operating voltage of nRFf905 chip is 1.9～3.6V, 32 pin QFN encapsulation works in 433,868, a 915MHz3 ISM channel.The wireless frequency of operation of this multiuser wireless remote intelligent gas meter is 434.7MHz, and output power is 10dBm.Between radio-circuit module 7 and multiuser wireless remote intelligent gas meter attainable radio function comprise radio meter register, the working time be set, the time of setting, the table truth of a matter is set, new unit price is set, inquiry working time, inquiry remaining sum and unit price, query time, wireless valve, the wireless pass valve opened.Multiuser wireless remote intelligent gas meter sets the IC-card that cooperates with deck 2, function-differentiated micro-traveler, functional test card, subscriber card, the zero clearing card of comprising of IC-card.
The master routine control flow of single-chip microcomputer 3 is as follows:
M1) at first carry out port initialization, after initialization is finished electric alarm be set, then liquid crystal 4 is carried out the liquid crystal initialization and the storer 6 that clears data in internal memory;
M2) testing data memory 6, normal as data storer 6, initialization multiuser wireless remote intelligent gas meter then, carrying out remaining sum judges back valve-off 1 and makes clock-reset, judge whether to have magnetic interference then, if magnetic interference is arranged, then show magnetic interference, carry out port initialization and enter low power consumpting state;
M3) if step M2) in data-carrier store 6 tests undesired, then on liquid crystal 4, show ERR1, and report to the police, carry out then entering low power consumpting state after the port initialization.
The initialize routine of multiuser wireless remote intelligent gas meter is as follows: at first read password from data storage 6, judge then whether table opens transfer, if table is not opened transfer, then original bulk is write in the table, judged whether electronic identification code then, if there is not electronic identification code, then give tacit consent to electronic identification code, to bear clear 0 back initialization time and the termination routine of counting, if table has been opened transfer, then from storer, read negative counting, alarm set point, semi-invariant, unit price, time, regional identity code, electronic identification code, working time, new unit price execution time and new unit price.
Be provided with in the program and snap into the program that interrupt the position, judge that thus the card that inserts in the deck 2 is a certain in company's card, zero clearing card, micro-traveler, functional test card, the subscriber card, judge finish after in card the retrography zone bit, end interrupt.
The use flow process of function card is as follows: enter from interrupting detection, check the function password and judge whether password is wrong, if password check is correct, then version of display number, show after the electronic identification code six, show unit price, show Time of Day, switch valve is twice then, liquid crystal complete bright and report to the police after quit a program, if the password check mistake, directly quit a program after then showing illegal card.
The use flow process of subscriber card comprises the steps:
N1) check clip pin, judge then whether this subscriber card has the campus card sign, if the campus card sign arranged then check area code, judge then whether subscriber card is provided with alarm set point, if alarm set point need be set, then be provided with and carry out demagnetization behind the alarm set point and disturb and show, then directly do not carry out demagnetization and disturb and show if do not need to be provided with alarm set point, empty negative counting then, this program is finished in the remaining sum and the demonstration back of reading in the card.
N2) if step N1) judge that subscriber card does not have the campus card sign, this program is finished in the remaining sum and the demonstration back of then directly reading in the card.
In subscriber card, add a special zone bit, the information of read-only card taking sheet when subscriber card inserts in the deck 2, and no longer relatively whether the card numbering is consistent with table address.The count pulse of multiuser wireless remote intelligent gas meter is 0.01 cubic metre, and every counting is once reduced the corresponding amount of money, and promptly one of percentage of unit price writes the remaining sum after reducing in the subscriber card.Remaining sum in the subscriber card is during less than unit price, and valve can not be opened, and forbids using gas.
Claims (3)
1. multiuser wireless remote intelligent gas meter, comprise single-chip microcomputer (3) and connected liquid crystal (4), data-carrier store (6), it is characterized in that also comprising valve (1), deck (2), under-voltage detection module (5), radio-circuit module (7), valve (1), deck (2), liquid crystal (4), under-voltage detection module (5), data-carrier store (6) is connected with respective pins on the single-chip microcomputer (3), radio-circuit module (7) is connected with the corresponding interface on the single-chip microcomputer (3) by data line (8), makes to carry out signal between radio-circuit module (7) and the single-chip microcomputer (3) and transmit and be connected;
The radio function of realizing between described radio-circuit module (7) and multiuser wireless remote intelligent gas meter comprises radio meter register, the working time is set, the time of setting, the table truth of a matter is set, new unit price is set, inquiry working time, inquiry remaining sum and unit price, query time, wireless valve, the wireless pass valve opened;
Multiuser wireless remote intelligent gas meter sets the IC-card that cooperates with deck (2), and IC-card comprises micro-traveler, functional test card, subscriber card, zero clearing card;
Described single-chip microcomputer (3) is as follows to the master routine control flow of multiuser wireless remote intelligent gas meter:
M1) at first carry out port initialization, after initialization is finished electric alarm is set, then liquid crystal (4) is carried out internal memory in liquid crystal initialization and the storer that clears data (6);
M2) testing data memory (6), normal as data storer (6), initialization multiuser wireless remote intelligent gas meter then, carrying out remaining sum judges back valve-off (1) and makes clock-reset, judge whether to have magnetic interference then, if magnetic interference is arranged, then show magnetic interference, carry out port initialization and enter low power consumpting state;
M3) if step M2) in data-carrier store (6) test undesired, then go up and show ERR1, and report to the police at liquid crystal (4), carry out then entering low power consumpting state after the port initialization.
2. multiuser wireless remote intelligent gas meter as claimed in claim 1, it is characterized in that being equipped with Signal connector respectively on described radio-circuit module (7) and the single-chip microcomputer (3), radio-circuit module (7) adopts data line (8) to be connected with the Signal connector of single-chip microcomputer (3), and data line (8) adopts 10 core soft arranging wires.
3. multiuser wireless remote intelligent gas meter as claimed in claim 1 is characterized in that the use flow process of described subscriber card comprises the steps:
N1) check clip pin, judge then whether this subscriber card has the campus card sign, if the campus card sign arranged then check area code, judge then whether subscriber card is provided with alarm set point, if alarm set point need be set, then be provided with and carry out demagnetization behind the alarm set point and disturb and show, then directly do not carry out demagnetization and disturb and show if do not need to be provided with alarm set point, empty negative counting then, this program is finished in the remaining sum and the demonstration back of reading in the card;
N2) if step N1) judge that subscriber card does not have the campus card sign, this program is finished in the remaining sum and the demonstration back of then directly reading in the card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101622317A CN101414398B (en) | 2008-11-27 | 2008-11-27 | Multiuser wireless remote intelligent gas meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101622317A CN101414398B (en) | 2008-11-27 | 2008-11-27 | Multiuser wireless remote intelligent gas meter |
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| Publication Number | Publication Date |
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| CN101414398A CN101414398A (en) | 2009-04-22 |
| CN101414398B true CN101414398B (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101622317A Active CN101414398B (en) | 2008-11-27 | 2008-11-27 | Multiuser wireless remote intelligent gas meter |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074074B (en) * | 2010-12-17 | 2012-06-27 | 桂林市利通电子科技有限责任公司 | Prepaid wireless smart gas meter |
| CN102393232B (en) * | 2011-11-30 | 2013-07-31 | 浙江荣鑫燃气表有限公司 | Security type wireless intelligent gas meter |
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| CN101414398A (en) | 2009-04-22 |
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Address after: 317004 Dongda Middle Road, Datian street, Taizhou City, Zhejiang Province, No. 59 Patentee after: Zhejiang Rong Xin intelligent instrument Limited by Share Ltd Address before: 317004 Dongda Middle Road, Linhai City, Zhejiang Province, No. 59 Patentee before: Zhejiang Rongxin Gas Meter Co., Ltd. |
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