CN203520517U - Remote-transmission prepayment IC (integrated circuit) card water meter - Google Patents
Remote-transmission prepayment IC (integrated circuit) card water meter Download PDFInfo
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- CN203520517U CN203520517U CN201320685190.6U CN201320685190U CN203520517U CN 203520517 U CN203520517 U CN 203520517U CN 201320685190 U CN201320685190 U CN 201320685190U CN 203520517 U CN203520517 U CN 203520517U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 12
- 239000004065 semiconductor Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 3
- 102100028680 Protein patched homolog 1 Human genes 0.000 description 1
- 101710161390 Protein patched homolog 1 Proteins 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses a remote-transmission prepayment IC (integrated circuit) card water meter. The water meter comprises a water sector control system, a microcontroller, an IC card reading and writing module, a power supply and power source detection module, a water quantity metering module, a valve control module and a wired remote-transmission module, wherein the wired remote-transmission module is connected with a serial interface of the microcontroller through a serial port and also connected with the water sector control system through a communication cable. According to the water meter, the remote-transmission module is added on an existing prepayment IC card water meter, so that two problems existing currently are effectively solved. A water company can read the meter in real time through a remote-transmission function and can know the water consumption condition of each user, so that the water consumption condition of a certain region can be analyzed according to data, and water resources are allocated reasonably; a water sector can control switching valves of the water meters of the users in real time through the remote-transmission function, and in case that the valves of the water meters are turned off due to the fact that the water meters of the users are in arrearage or break down, the users can ask the water sector to turn on the valves in a forced manner through a remote-transmission control function by telephone, so that normal water usage of the users is guaranteed.
Description
Technical field
The utility model relates to a kind of prepayment IC-card water meter, particularly a kind of teletransmission prepayment IC-card water meter.
Background technology
Existing prepayment IC-card water meter is only that the mode by " IC-card is supplemented with money and purchased water, and water meter is deducted fees according to water consumption, Sorry, your ticket has not enough value close valve cut off the water " realizes pre paid functionality.There are following 2 defects in the water meter of this kind of mode: 1, water sector cannot be checked meter in real time, can not obtain in time user's water consumption, cannot make reasonable distribution and management and control to water resource.Once 2 user's water meter arrearages or water meter fault, water meter valve-off, will have a strong impact on people's normal life.For example, certain user is cooking or is having a bath, and water meter valve-off brings inconvenience to people's normal life.
Utility model content
The purpose of this utility model is to provide a kind of facility and real-time teletransmission prepayment IC-card water meter controlled.
This teletransmission prepayment IC-card water meter that the utility model provides, comprise water sector control system, microcontroller, IC-card module for reading and writing, power supply and power supply detection module, water consumption measurement module, valve control module, display module and wired remote-transmission module, wired remote-transmission module is connected with the serial line interface of microcontroller by serial ports, and it is also connected with water sector control system by telecommunication cable.
Described wired remote-transmission module adopts M-BUS communicating circuit; This circuit comprises MBUS slave station chip, and the serial ports of this chip is connected with the serial ports of microcontroller, and its M-BUS bus end is connected with water sector control system by M-BUS bus.Described IC-card module for reading and writing adopts non-contact IC card module for reading and writing or adopts Contact Type Ic Card module for reading and writing.
The utility model has increased wired remote-transmission module on existing prepayment IC-card water meter, efficiently solves two problems of current existence.1, water utilities company can check meter in real time by transporting function, understands each user's water situation, thereby goes out somewhere water situation according to data analysis, and water resource is made to reasonable distribution.2, water sector can be controlled user's water meter switch valve in real time by transporting function, if the water meter arrearage of user family or water meter fault, cause water meter to close valve, user can require water sector to control function positive opening valve by teletransmission by phone, guarantees the normal water of user.
Accompanying drawing explanation
Fig. 1 is functional block diagram of the present utility model.
Fig. 2 is a kind of physical circuit figure of wired remote-transmission module of the present utility model.
Fig. 3 is a kind of physical circuit figure of microcontroller of the present utility model.
Fig. 4 is a kind of physical circuit figure of IC-card module for reading and writing of the present utility model.
Embodiment
Prepayment IC-card water meter comprises base table, control circuit board, shell, battery, and every water meter is joined an IC-card.Base table comprises mechanical metering section, impulse sampling circuit and valve.
As shown in Figure 1, the utility model comprises water sector control system, microcontroller, IC-card module for reading and writing, power supply and power supply detection module, water consumption measurement module, valve control module, display module and wired remote-transmission module.Wired remote-transmission module is connected with the serial line interface of microcontroller by serial ports, and it is also connected with water sector control system by telecommunication cable.
Wired remote-transmission module adopts M-BUS communicating circuit.
As shown in Figures 2 and 3, the M-BUS communicating circuit that the utility model adopts comprises MBUS slave station chip U1 and bus connector XS3.
1 pin of MBUS slave station chip U1 is connected with 2 pin of bus connector XS3, for transmission of signal MBUS2; Its 3 pin is connected with the anode of polar capacitor C6, the negativing ending grounding of this electric capacity; 4 pin of this chip U1 are by resistance R 9 ground connection; Its 6 pin is by capacitor C 7 ground connection; Its 8 pin is connected with 33 pin of microcontroller U2 by resistance R 29, for transmitting serial port, sends data-signal TXD; 9 pin of this chip U1 are all connected with the anode of polar capacitor C8 with 10 pin, the negativing ending grounding of this capacitor C 8; 12 pin of this chip U1 are connected with 32 pin of microcontroller U2 by resistance R 8, for transmitting serial ports, receive data-signal RXD; 14 pin of this chip U1 are by resistance R 10 ground connection; Its 15 pin ground connection; Its 16 pin is connected with 1 pin of bus connector XS3 by thermistor PTC1.1 pin of gas-discharge tube V1 is connected with 1 pin of bus connector XS3, and its 2 pin is connected with 2 pin of this connector.1 pin of Transient Voltage Suppressor D2 is connected with 1 pin of bus connector XS3 by thermistor PTC1, and its 2 pin is connected with 2 pin of this connector.
Water meter is connected by M-BUS bus with the control system of water sector, and water sector can be checked meter in real time or be controlled water meter valve by M-BUS bus.
The utility model is applicable to contact prepayment IC-card water meter, also applicable to contactless prepayment IC-card water meter.
As shown in Figure 3 and Figure 4, IC-card module for reading and writing of the present utility model adopts contactless RF Signal circuit.This circuit comprises RF Signal chip U4, metal-oxide-semiconductor Q7 and connection of antenna plug-in unit ANT.
2 pin of RF Signal chip U4,3 pin, 12 pin and 15 pin are all connected with the drain electrode of metal-oxide-semiconductor V7; After polar capacitor C23 and capacitor C 24 parallel connections, be connected between the drain electrode and ground of this metal-oxide-semiconductor; 6 pin of this chip U4 are connected with 10 pin of microcontroller, for transmitting reset signal NRSTPD; Its 11 pin by inductance L 2 series capacitance C33 again resistance in series R26 be connected with 1 pin of connection of antenna plug-in unit ANT; Its 13 pin by inductance L 3 series capacitance C34 again resistance in series R27 be connected with 3 pin of connection of antenna plug-in unit ANT; Its 16 pin is by capacitor C 27 ground connection; Its 27 pin is by resistance R 24 series capacitance C27 ground connection, this pin also by resistance R 25 series capacitance C28 again resistance in series R26 be connected with 1 pin of connection of antenna plug-in unit ANT; Its 21 pin is by capacitor C 25 ground connection, and this pin also passes through crystal oscillator Y1 again via capacitor C 26 ground connection; Its 22 pin is by capacitor C 26 ground connection; Its 23 pin is connected with 38 pin of microcontroller, for transmitting interrupt request singal IRQ; Its 24 pin is connected with 14 pin of microcontroller, for transmitting spi bus chip selection signal SPI_NSS; Its 29 pin is connected with 13 pin of microcontroller, for transmitting spi bus clock signal SPI_CLK; Its 30 pin is connected with 12 pin of microcontroller, for transmitting spi bus main frame, goes out slave and enters signal SPI_MOSI; Its 31 pin is connected with 11 pin of microcontroller, for transmitting spi bus main frame, enters slave and goes out signal SPI_MISO; Its 32 pin is connected with the drain electrode of metal-oxide-semiconductor V7 by resistance R 51; 1 pin of its this chip U4,4 pin, 5 pin, 10 pin, 14 pin, 18 pin and the equal ground connection of 33 pin.
1 pin of metal-oxide-semiconductor V7 is connected with 9 pin of microcontroller, for transmitting radio frequency chip power supply enable signal EN_RC_VCC; Its 2 pin is connected with power supply 3.3V, and this 2 pin is also connected with 1 pin of this metal-oxide-semiconductor by resistance R 30.
The 2 pin ground connection of connection of antenna plug-in unit ANT.Between close this end of connection of antenna plug-in unit of inductance L 2 and inductance L 3, be connected to the filtering circuit that de-noising is used.Between close this end of connection of antenna plug-in unit of capacitor C 33 and capacitor C 34, be also connected to the filtering circuit that de-noising is used.Resistance R 26 and resistance R 27 away from this end of connection of antenna plug-in unit between be connected to equally the filtering circuit that de-noising is used.
Claims (3)
1. a teletransmission prepayment IC-card water meter, comprise water sector control system, microcontroller, IC-card module for reading and writing, power supply and power supply detection module, water consumption measurement module, valve control module, display module, it is characterized in that, this water meter also comprises wired remote-transmission module, wired remote-transmission module is connected with the serial line interface of microcontroller by serial ports, and it is also connected with water sector control system by telecommunication cable.
2. teletransmission prepayment IC-card water meter according to claim 1, is characterized in that, described wired remote-transmission module adopts M-BUS communicating circuit; This circuit comprises MBUS slave station chip, and the serial ports of this chip is connected with the serial ports of microcontroller, and its M-BUS bus end is connected with water sector control system by M-BUS bus.
3. teletransmission prepayment IC-card water meter according to claim 1, is characterized in that, described IC-card module for reading and writing adopts non-contact IC card module for reading and writing or adopts Contact Type Ic Card module for reading and writing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685190.6U CN203520517U (en) | 2013-11-04 | 2013-11-04 | Remote-transmission prepayment IC (integrated circuit) card water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685190.6U CN203520517U (en) | 2013-11-04 | 2013-11-04 | Remote-transmission prepayment IC (integrated circuit) card water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203520517U true CN203520517U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320685190.6U Expired - Lifetime CN203520517U (en) | 2013-11-04 | 2013-11-04 | Remote-transmission prepayment IC (integrated circuit) card water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203520517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023362A (en) * | 2014-04-30 | 2015-11-04 | 甘肃大河自动化工程技术有限公司 | Remote payment type smart water rate collection system for agricultural irrigation |
-
2013
- 2013-11-04 CN CN201320685190.6U patent/CN203520517U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023362A (en) * | 2014-04-30 | 2015-11-04 | 甘肃大河自动化工程技术有限公司 | Remote payment type smart water rate collection system for agricultural irrigation |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |