CN201897716U - Public controller for multiple intelligent water meters - Google Patents
Public controller for multiple intelligent water meters Download PDFInfo
- Publication number
- CN201897716U CN201897716U CN2010205880857U CN201020588085U CN201897716U CN 201897716 U CN201897716 U CN 201897716U CN 2010205880857 U CN2010205880857 U CN 2010205880857U CN 201020588085 U CN201020588085 U CN 201020588085U CN 201897716 U CN201897716 U CN 201897716U
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- frequency identification
- chip microcomputer
- water meter
- intellectual water
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Abstract
The utility model discloses a public controller for multiple intelligent water meters. A power source is respectively connected with a single chip microcomputer, a storage and a radio frequency identification reader-writer by an AC/DC converter, an output end of an antenna board is in bidirectional transmission connection with an input end of the radio frequency identification reader-writer, an output end of the radio frequency identification reader-writer is in bidirectional data transmission connection with an input end of the single chip microcomputer, an I/O (input/output) port of the single chip microcomputer is in bidirectional data transmission connection with the storage, the storage stores data of all the water meters, a control port of the single chip microcomputer is connected with control units of the intelligent water meters, each intelligent water meter is correspondingly provided with a high-frequency radio frequency identification card, and the high-frequency radio frequency identification cards are used with the radio frequency identification reader-writer. After the corresponding high-frequency radio frequency identification card is plugged into the radio frequency identification reader-writer to be inducted, the single chip microcomputer controls the corresponding intelligent water meter according to information of the high-frequency radio frequency identification card, and stores water consumption information of the corresponding intelligent water meter into the storage.
Description
Technical field
The utility model relates to a kind of many controllers that intellectual water meter is public that are used for.
Background technology
A present controller can only water meter of observing and controlling.This not only causes the wasting of resources, and makes troubles to management.With regard to intelligent IC card water meter, water meter all is mounted in premises.User's improper use damages water meter easily.Water supply department selective examination water meter is also very difficult.It is reported that the domestic producer that indivedual intellectual water meters the are arranged controller that begins one's study detects and controls many water meters.But what use is the low frequency radio frequency IC-card.The distance of reading and writing is little between this card and the antenna plate, and the byte that Ka Nei can write is few, can not realize " all-purpose card ".Up to now, the domestic product that do not form does not as yet drop into yet and uses.
Many intellectual water meter common control units are increasing under the minority components and parts situation, can carry out water consumption detection, burn out detection, actuator open and close control to reaching 8 water meters of posting a letter.Sort controller is installed in the outdoor casing, and organic glass is equipped with on the surface.The user is contactor controller no longer.If the user need understand water meter information, as long as subscriber card is leaned on the organic glass face, LCD display shows the water meter information of this subscriber card correspondence immediately on the controller.
Summary of the invention
The utility model provides a kind of many controllers that intellectual water meter is public that are used for, and it can realize that not only a controller controls many water meters, saves cost effectively, and is convenient to management, and security of system is good, improves the water metering precision.
The utility model has adopted following technical scheme: a kind ofly be used for many controllers that intellectual water meter is public, it mainly comprises power supply, antenna plate, radio-frequency identification reader/writer, storer and single-chip microcomputer, power supply by the AC/DC transducer respectively with single-chip microcomputer, storer is connected with radio-frequency identification reader/writer, the output terminal of antenna plate is connected with the input end of radio-frequency identification reader/writer, antenna plate is that bidirectional data transfers is connected with radio-frequency identification reader/writer, the output terminal of radio-frequency identification reader/writer is connected with input of single chip, radio-frequency identification reader/writer is that bidirectional data transfers is connected with single-chip microcomputer, an I/O port at single-chip microcomputer is that bidirectional data transfers is connected with storer, the data of each water meter of memory stores, the control port of single-chip microcomputer is connected with the control module of some intellectual water meters, each intellectual water meter is to there being the high-frequency radio frequency identification card, high-frequency radio frequency identification card and radio-frequency identification reader/writer are used, after induction in the high-frequency radio frequency identification card insertion radio-frequency identification reader/writer of correspondence, single-chip microcomputer is controlled corresponding intellectual water meter according to the information of high-frequency radio frequency identification card, and with intellectual water meter water information stores in storer.
Described single-chip microcomputer is a PIC16F946 type single-chip microcomputer, and 8 control ports of 4 row that PIC16F946 type single-chip microcomputer is provided with are connected with the control module of 8 intellectual water meters.Described storer is the ferroelectric FM24CL04 type of the EEPROM of a serial storer.Described radio-frequency identification reader/writer spare adopts FM1702 type radio frequency identification read-write chip.Described single machine output end is connected with LED display, and LED display shows the information of intellectual water meter.Described single machine output end is connected with infrared interface, and infrared interface is two-way the connection with single-chip microcomputer, and single-chip microcomputer carries out data transmission by infrared interface and outside receiver and realizes the operation of checking meter.The control port of described single-chip microcomputer is connected by the quartzy edge connector of the metal of 2x16 respectively with the control module of some intellectual water meters.
The utlity model has following beneficial effect: can be connected with many intellectual water meters on the single-chip microcomputer of the present utility model, such controller can be controlled many intellectual water meters, saves cost greatly, and improves the precision of water consumption.Single machine output end of the present utility model is connected with infrared interface, infrared interface is two-way the connection with single-chip microcomputer, single-chip microcomputer carries out data transmission by infrared interface and outside receiver and realizes the operation of checking meter, the staff does not need to register one's residence and just can check meter by specific purpose tool like this, is convenient to management.The utility model adopts the high-frequency radio frequency identification card, can prevent from like this water sectors of data is rewritten, the water sector of every high-frequency radio frequency identification card is provided with different passwords, the password of every card water sector is the sequence number that adopts 4 byte cards, be extended for 8 bytes after the negate, pass through DESSS cryptographic algorithm (key that participates in cryptographic algorithm is responsible for by key management personnel special messenger) again, and select the password of wherein preceding 6 byte datas as the water sector of IC-card.So it almost is impossible obtaining the password of a card.Because the password of water sector interrelates with the sequence number of card, so the password of every card is unique.This has just guaranteed the security of system.The utility model single-chip microcomputer and the quartzy edge connector of the metal that being connected of intellectual water meter adopts 2x16, this quartzy socket divides upper and lower two rows, not only makes compact conformation easy for installation, controller, the more important thing is when installing to be difficult for makeing mistakes.Last row is used for the water yield and detects and burn out detection; Following row is used for the open and close control of actuator.And the line of quartzy plug uses different color lines to distinguish, and intellectual water meter adopts valve table integrative-structure first, this maintenance to water meter, change very convenient.LED display on the utility model single-chip microcomputer, the information of display water-meter so clearly, the water supply department staff uses and checks that card also can check the information of each intellectual water meter, helps information inquiry of user's intellectual water meter and management.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Embodiment
In Fig. 1; the utility model is a kind of many controllers that intellectual water meter is public that are used for; it mainly comprises power supply; antenna plate; radio-frequency identification reader/writer; storer and single-chip microcomputer; power supply by the AC/DC transducer respectively with single-chip microcomputer; storer is connected with radio-frequency identification reader/writer; the output terminal of antenna plate is connected with the input end of radio-frequency identification reader/writer; antenna plate is that bidirectional data transfers is connected with radio-frequency identification reader/writer; the output terminal of radio-frequency identification reader/writer is connected with input of single chip; radio-frequency identification reader/writer is that bidirectional data transfers is connected with single-chip microcomputer; single machine output end is connected with LED display; LED display shows the information of intellectual water meter; intellectual water meter is a valve table integrative-structure; radio-frequency identification reader/writer adopts FM1702 type radio frequency identification read-write chip; radio-frequency identification reader/writer with; an I/O port at single-chip microcomputer is that bidirectional data transfers is connected with storer; the data of each intellectual water meter of memory stores; storer is the ferroelectric FM24CL04 type of the EEPROM of a serial storer; it can erasable number of times almost unlimited; the page location of the information of every intellectual water meter in storer is to determine by the floor number of intellectual water meter; the same A0 of write-protect line WE of storer; A1; A2; GND couples together; and be connected to the I/O port (output port) of single-chip microcomputer; this I/O port is exported high level at ordinary times; to prevent that extraneous undesired signal from producing the write operation to this device; when single-chip microcomputer is read storer; during write operation, just with this port output low level.End of operation, return to high level again, this has just guaranteed the correctness of memory data, single-chip microcomputer is a PIC16F946 type single-chip microcomputer, 8 control ports of 4 row that PIC16F946 type single-chip microcomputer is provided with and the control module of 8 intellectual water meters adopt the quartzy edge connector of the metal of 2x16 to be connected, when 8 water consumptions detections that are used for 8 intellectual water meters of the port A of single-chip microcomputer; 8 burn out detection that are used for 8 intellectual water meters of port B; 8 of port C are used for 8 intellectual water meters and open actuator control; 8 of port D are used for 8 intellectual water meters and close actuator control.The 0th of every row I/O port connects intellectual water meter 1; The 1st connects intellectual water meter 2; The 2nd connects intellectual water meter 3 The 7th connects intellectual water meter 8, adopts when software design with reference to byte and the method that moves to left 8 intellectual water meter cyclings.Be set to 00000001 with reference to the byte initial value, promptly the Stall intellectual water meter operated; Stall intellectual water meter end of operation moves to left one with reference to byte, is 00000010, promptly the second floor intellectual water meter is operated; Second floor intellectual water meter end of operation, move to left one again with reference to byte, be 00000100, can operate three building intellectual water meters, so analogize, up to 8 intellectual water meter end of operations, each intellectual water meter is to there being the high-frequency radio frequency identification card, high-frequency radio frequency identification card and radio-frequency identification reader/writer are used, the high-frequency radio frequency identification card is an IC-card, water sector at every high-frequency radio frequency identification card is provided with different passwords, the water sector password of every high-frequency radio frequency identification card is the sequence number that adopts 4 byte cards, is extended for 8 bytes after the negate, again by the DESSS cryptographic algorithm, and select the password of wherein preceding 6 byte datas as the water sector of high-frequency radio frequency identification card, almost be impossible so obtain the password of a card.Because the password of water sector interrelates with the sequence number of card, so the password of every card is unique.This has just guaranteed the security of system, after induction in the high-frequency radio frequency identification card insertion radio-frequency identification reader/writer of correspondence, single-chip microcomputer is controlled corresponding intellectual water meter according to the information of high-frequency radio frequency identification card, and with intellectual water meter water information stores in storer, single machine output end is connected with infrared interface, infrared interface is two-way the connection with single-chip microcomputer, and single-chip microcomputer carries out data transmission by infrared interface and outside receiver and realizes the operation of checking meter.Cdr database of the present utility model is provided with 5 figure place ID sign indicating numbers to every controller.And the user number in the high-frequency radio frequency identification card is 6 figure places, and wherein high 5 ID sign indicating numbers with controller are identical, and lowest order is corresponding with user's intellectual water meter floor, is 1-8, if this position is 0 or 9, it is invalid then to block.If floor surpasses 8, then need use 2 controllers.At this moment 9 building intellectual water meter user number lowest orders are 1, and other floor is analogized.The instrument card that database of the present utility model can be produced as follows: " checking card ", " test card ", " clear 0 card ", " selective examination card "." clear 0 card " is divided into 2 kinds: " clear 0 card 1 ", " clear 0 card 2 ".These instrument cards are to water supply department staff special use.During the Single Chip Microcomputer (SCM) program design, " test card " and " clear 0 card 1 " only is applicable to the intellectual water meter of not opening an account; And the intellectual water meter that those have been opened an account can not use." " clear 0 card 2 " then is regardless of intellectual water meter and whether opens an account, and all can use." selective examination card " is that the former only checks certain floor intellectual water meter with the difference of " checking card "; The latter then checks all intellectual water meters.
Claims (7)
1. one kind is used for many controllers that intellectual water meter is public, it is characterized in that it mainly comprises power supply, antenna plate, radio-frequency identification reader/writer, storer and single-chip microcomputer, power supply by the AC/DC transducer respectively with single-chip microcomputer, storer is connected with radio-frequency identification reader/writer, the output terminal of antenna plate is connected with the input end of radio-frequency identification reader/writer, antenna plate is that bidirectional data transfers is connected with radio-frequency identification reader/writer, the output terminal of radio-frequency identification reader/writer is connected with input of single chip, radio-frequency identification reader/writer is that bidirectional data transfers is connected with single-chip microcomputer, an I/O port at single-chip microcomputer is that bidirectional data transfers is connected with storer, the data of each water meter of memory stores, the control port of single-chip microcomputer is connected with the control module of some intellectual water meters, each intellectual water meter is to there being the high-frequency radio frequency identification card, high-frequency radio frequency identification card and radio-frequency identification reader/writer are used, after induction in the high-frequency radio frequency identification card insertion radio-frequency identification reader/writer of correspondence, single-chip microcomputer is controlled corresponding intellectual water meter according to the information of high-frequency radio frequency identification card, and with intellectual water meter water information stores in storer.
2. according to claim 1ly be used for many controllers that intellectual water meter is public, it is characterized in that described single-chip microcomputer is a PIC16F946 type single-chip microcomputer, 8 control ports of 4 row that PIC16F946 type single-chip microcomputer is provided with are connected with the control module of 8 intellectual water meters.
3. according to claim 1ly be used for many controllers that intellectual water meter is public, it is characterized in that described storer is the ferroelectric FM24CL04 type of the EEPROM storer of serial.
4. according to claim 1ly be used for many controllers that intellectual water meter is public, it is characterized in that described radio-frequency identification reader/writer spare adopts FM1702 type radio frequency identification read-write chip.
5. according to claim 1ly be used for many controllers that intellectual water meter is public, it is characterized in that described single machine output end is connected with LED display, LED display shows the information of intellectual water meter.
6. according to claim 1ly be used for many controllers that intellectual water meter is public, it is characterized in that described single machine output end is connected with infrared interface, infrared interface is two-way the connection with single-chip microcomputer, and single-chip microcomputer carries out data transmission by infrared interface and outside receiver and realizes the operation of checking meter.
7. according to claim 1ly be used for many controllers that intellectual water meter is public, it is characterized in that the control port of described single-chip microcomputer is connected by the quartzy edge connector of the metal of 2x16 respectively with the control module of some intellectual water meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205880857U CN201897716U (en) | 2010-11-03 | 2010-11-03 | Public controller for multiple intelligent water meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205880857U CN201897716U (en) | 2010-11-03 | 2010-11-03 | Public controller for multiple intelligent water meters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201897716U true CN201897716U (en) | 2011-07-13 |
Family
ID=44255619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205880857U Expired - Fee Related CN201897716U (en) | 2010-11-03 | 2010-11-03 | Public controller for multiple intelligent water meters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201897716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012683A (en) * | 2010-11-03 | 2011-04-13 | 泰州市昌泰电子有限公司 | Common controller for multiple intelligent water meters |
| CN103093547A (en) * | 2012-12-11 | 2013-05-08 | 深圳波通纳码头工程有限公司 | Water and power box card swiping controller and operation method thereof |
-
2010
- 2010-11-03 CN CN2010205880857U patent/CN201897716U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012683A (en) * | 2010-11-03 | 2011-04-13 | 泰州市昌泰电子有限公司 | Common controller for multiple intelligent water meters |
| CN103093547A (en) * | 2012-12-11 | 2013-05-08 | 深圳波通纳码头工程有限公司 | Water and power box card swiping controller and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110713 Termination date: 20121103 |