CN204215483U - A kind of IC-card intelligent gas meter with wireless routing - Google Patents
A kind of IC-card intelligent gas meter with wireless routing Download PDFInfo
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- CN204215483U CN204215483U CN201420687160.3U CN201420687160U CN204215483U CN 204215483 U CN204215483 U CN 204215483U CN 201420687160 U CN201420687160 U CN 201420687160U CN 204215483 U CN204215483 U CN 204215483U
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Abstract
A kind of IC-card intelligent gas meter with wireless routing of the utility model, described gas meter, flow meter includes the microprocessor be installed on circuit board and the flow signal acquisition module be connected with microprocessor, data memory module, IC-card interface module, test circuit module, DLL (dynamic link library) circuit module, LCDs, Power Entry Module, voltage voltage stabilizing and testing circuit, buzzer drive circuit, valve control module, clock module, large function storage capacitor unit and radio frequency communication module, described radio frequency communication module is connected with wireless routing transport module.A kind of IC-card intelligent gas meter with wireless routing of the utility model, can carry out normal remote meter reading to high-rise, Super High.
Description
Technical field
The utility model relates to a kind of gas meter, flow meter, especially relates to a kind of for measuring combustion gas and having the IC-card intelligent gas meter of wireless routing function, belongs to metering outfit technical field.
Background technology
At present, along with the enforcement of the extensive urbanization of China, the scale in city is developing rapidly; And improve constantly along with economic level, pipe natural gas is widely used, rock gas has come into huge numbers of families as clean energy resource, and gas metering is the Main Basis of pipe gas company charge, and gas meter, flow meter have also been obtained general use as the measuring apparatus of rock gas.
Therefore, check meter and charge with regard to the eternal theme in Cheng Liao gas company, since last century the nineties,-----do not check meter---the work experience following several stages of checking meter of gas meter, flow meter: manually register one's residence and check meter check meter (in the gas company) that stay indoor upstairs on check meter (doorway) of not registering one's residence, gas meter, flow meter is also from base table-IC-card table-develop to wireless remote transmission table, but build higher and higher along with building, the difference of gas meter, flow meter infield, Some gases table does not receive signal, gas company copies less than gas meter data, trouble is brought to the work of checking meter of gas company, current solution mainly increases concentrator, but increase the cost that concentrator will increase gas company, this power that gas company is not obviously promoted, for this reason, need badly a kind of can to high-rise, that Super High carries out normal remote meter reading gas meter, flow meter.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of IC-card intelligent gas meter with wireless routing, and the IC-card intelligent gas meter of this band wireless routing can carry out normal remote meter reading to high-rise, Super High.
The purpose of this utility model is achieved in that
A kind of IC-card intelligent gas meter with wireless routing, described gas meter, flow meter includes and is installed on microprocessor on circuit board and the flow signal acquisition module be connected with microprocessor, data memory module, IC-card interface module, test circuit module, DLL (dynamic link library) circuit module, LCDs, Power Entry Module, voltage voltage stabilizing and testing circuit, buzzer drive circuit, valve control module, clock module, large function storage capacitor unit and radio frequency communication module, and described radio frequency communication module is connected with wireless routing transport module.
A kind of IC-card intelligent gas meter with wireless routing of the utility model, described wireless routing transport module contains wireless routing request message receiving element, request message transmitting element and request message determining unit.
A kind of IC-card intelligent gas meter with wireless routing of the utility model, described valve control module comprises the motor valve and control circuit thereof that are arranged at source of the gas gateway, and microprocessor is connected with control circuit.
A kind of IC-card intelligent gas meter with wireless routing of the utility model, described gas meter, flow meter realizes wireless telecommunications by radio frequency communication module with Wireless centralized meter reading device and is connected.
A kind of IC-card intelligent gas meter with wireless routing of the utility model, the wireless communication module that described Wireless centralized meter reading device includes a processor and is connected with this processor, Wireless centralized meter reading device is connected with the radio frequency communication module wireless telecommunications of gas meter, flow meter by this wireless communication module.
Compared with prior art, the beneficial effects of the utility model are:
The utility model adopts the wireless free networking of special power consumption profile formula, Routing Protocol, the wireless routing networking function had by Wireless centralized meter reading device applies on gas meter, flow meter, make, between gas meter and table tool, there is wireless routing transfer function, thus the data that high-rise gas meter, flow meter can be detected receive for Wireless centralized meter reading device after routing to bottom gas meter, flow meter;
Specifically, advantage of the present utility model can be subdivided into:
1, adopt special power consumption profile formula wireless self-networking, Routing Protocol, be operated in the free frequency range of 470M ~ 510M/433.00-434.79MHz.The route redundancy in network can be made full use of, there is excellent network self-healing, stability and splendid data throughout;
2, Physical layer have employed a lot of advanced wireless communication technology as frequency hopping, adaptation rate, safe and reliable the whole network wireless awakening technology, intertexture Error Correction of Coding etc., and link layer adopts the collision avoidance algorithms of intelligence, has excellent antijamming capability;
3, have wireless networking function, the maximum relaying degree of depth can reach 16 grades, and signal cover is wide, non-blind area;
4, have dormant technology flexibly, all networking equipments can dormancy, has synchronous and asynchronous two kinds of park modes;
5, have and automatically safeguard radio meter register network, multi-path data transmits, and network is healthy and strong, and success ratio of checking meter is high;
6, have automatic searching wireless self-networking module, without the need to manual intervention, system debug is simple, is easy to operation, also has automatic frequency calibration function simultaneously, also can normally work under bad weather circumstances;
7, in data transmission, adopt matrix form code decode algorithm, data accurately, good confidentiality, and adopt correcting data error technology, the reliable volume of data storage security be little, steady quality, be easy to install, be applicable to various resident's combustion gas terminal and use.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of a kind of IC-card intelligent gas meter with wireless routing of the utility model.
Fig. 2 is the application state schematic diagram of a kind of IC-card intelligent gas meter with wireless routing of the utility model.
Embodiment
See Fig. 1 and Fig. 2, a kind of IC-card intelligent gas meter with wireless routing that the utility model relates to, described gas meter, flow meter includes the microprocessor be installed on circuit board and the flow signal acquisition module be connected with microprocessor, data memory module, IC-card interface module, test circuit module, DLL (dynamic link library) circuit module, LCDs, Power Entry Module, voltage voltage stabilizing and testing circuit, buzzer drive circuit, valve control module, clock module, large function storage capacitor unit and radio frequency communication module, described radio frequency communication module is connected with wireless routing transport module,
Described valve control module comprises the motor valve and control circuit thereof that are arranged at source of the gas gateway, and microprocessor is connected with control circuit, and transmits control signal to it and control the switch of motor valve; After valve control module receives " valve opening ", " pass valve " instruction, just can realize corresponding " valve opening ", " pass valve " action.
Described flow signal acquisition module is to ensure that gas metering is accurate, two tongue tube double-counting patterns are adopted to carry out, can prevent high-intensity magnetic field from disturbing the accuracy of gas metering, the low level that small magnet when its principle is pulse collection on counter wheel and the adhesive of tongue tube produce is as count pulse, low level counter wheel rotates one week, small magnet adhesive two counting tongue tube, produce two pulses, microprocessor accreditation is for once counting (concretely: its principle installs a permanent magnet on pop-up indicator 0.01m3 character wheel, two tongue tubes are that 180 ° of angles are installed in its vicinity, character wheel often revolves shape one week, every tongue tube by adhesive at least one times, produce a count pulse thus, represent a pulse volume equivalent 0.1m3.In the continual situation of power supply, the integrated flux of machinery, electronical record is consistent, and data-collection error is less than 0.1m3); If there is tongue tube to break down one or meet with strong magnetic interference, microprocessor can not receive two pulse signals and namely think fault within the regular hour, namely can send to close valve instruction and realize closing valve to valve control module and die, and ensures the accurate of metering;
Described microprocessor is can the PIC16F946(MICROCHIP TECHNOLOGY of online programming) single-chip microcomputer, with lcd driver, adopt 64 pin, 8 CMOS flash memories of nanowatt technology;
Described data memory module is a kind of serial data module, has higher erasable number of times and communication speed faster, and the main all kinds of parameter storing gas meter, flow meter and the tolerance data collected, be connected with microprocessor; This data memory module also can be preserved the current integrated flux of gas meter, flow meter, always purchase tolerance or always purchase the gas amount of money, residue tolerance or the data such as remaining sum, combustion gas unit price;
Described IC-card interface module adopts Contact Type Ic Card, can be memory card, logic encryption card and CPU card any one;
Described liquid crystal display adopts low-power consumption LCD display;
Described power regulator module adopts four joint AA alkaline batteries, DC6V Power supply; For providing the power supply of DC6V for microprocessor and motor valve;
Described power supply chip is the MIC29302WU chip that Micrel company produces;
Described clock control module is connected with microprocessor, and microprocessor is by clock control module can regularly sending corresponding AT order to SMS communication module carrys out timing transmission data;
Described buzzer drive circuit mainly operationally sends instruction sound for user operation or gas meter, flow meter, informs the state of gas meter, flow meter;
Described large function storage capacitor unit refers to when external power supply breaks, and large function storage capacitor unit can temporarily for gas meter, flow meter provides power supply, so that the preservation of data and facilitate user to inquire about;
Described radio frequency communication module is connected with microprocessor, realizes, with the communication contact of Wireless centralized meter reading device, carrying out the real-time transmission of data; The wireless communication module that described Wireless centralized meter reading device includes a processor and is connected with this processor;
Important technological parameters:
Also possesses WOR radio wakeup technology simultaneously, WOR(Wake On Radio) refer to and do not need single-chip microcomputer to participate in, radio receiving transmitting module automated periodic monitors the radio wakeup signal from the external world, once namely acquisition useful signal produces interruption wake single-chip microcomputer entry communication handling procedure up; Improve response speed of checking meter, decrease the consumption of the energy content of battery;
Described power supply/voltage stabilizing detects electrical equipment and mainly becomes the linear voltage of 3.6V to be supplied to microprocessor system work the DC6V voltage voltage stabilizing that power supply inputs, when microprocessor low-voltage detection circuit detects input voltage lower than default value simultaneously, microprocessor performs preserves EEPROM data, performs and closes valve and information instruction;
Described test circuit module is used to as microprocessor provides traffic pulse, and after data are saved in EEPROM in time by microprocessor after receiving magnetic guard signal, disable motor valve, sends alarm command;
Described wireless routing transport module contains wireless routing request message receiving element, for receiving route request information, selects to check meter successful gas meter nearby as node, and to judge for the purpose of this node whether node or whether have the route arriving destination node; When judging that this node is not destination node, this node does not have the route arriving object, sends described route request information to described route request information delivery unit; When judge this node be destination node or this node have arrive the route of destination node time, send described route request information to described route request information transmitting element;
Described wireless routing transport module is also containing request message transmitting element, for the route request information received according to this gas meter, return to comprise to source node and arrive the request response in destination node path from source node, carry each nodal information in described path and data in request response to network node;
Described wireless routing transport module is also containing request message determining unit, and the coding efficiency value information that coding efficiency value and receiving element for calculating this gas meter node receive, determines current route;
In addition: it should be noted that above-mentioned embodiment is only a prioritization scheme of this patent, any change that those skilled in the art does according to above-mentioned design or improvement, all within the protection domain of this patent.
Claims (5)
1. the IC-card intelligent gas meter with wireless routing, it is characterized in that: described gas meter, flow meter includes the microprocessor be installed on circuit board and the flow signal acquisition module be connected with microprocessor, data memory module, IC-card interface module, test circuit module, DLL (dynamic link library) circuit module, LCDs, Power Entry Module, voltage voltage stabilizing and testing circuit, buzzer drive circuit, valve control module, clock module, large function storage capacitor unit and radio frequency communication module, described radio frequency communication module is connected with wireless routing transport module.
2. a kind of IC-card intelligent gas meter with wireless routing as claimed in claim 1, is characterized in that: described wireless routing transport module contains wireless routing request message receiving element, request message transmitting element and request message determining unit.
3. a kind of IC-card intelligent gas meter with wireless routing as claimed in claim 1, is characterized in that: described valve control module comprises the motor valve and control circuit thereof that are arranged at source of the gas gateway, and microprocessor is connected with control circuit.
4. a kind of IC-card intelligent gas meter with wireless routing as claimed in claim 1, is characterized in that: described gas meter, flow meter realizes wireless telecommunications by radio frequency communication module with Wireless centralized meter reading device and is connected.
5. a kind of IC-card intelligent gas meter with wireless routing as claimed in claim 4, it is characterized in that: the wireless communication module that described Wireless centralized meter reading device includes a processor and is connected with this processor, Wireless centralized meter reading device is connected with the radio frequency communication module wireless telecommunications of gas meter, flow meter by this wireless communication module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420687160.3U CN204215483U (en) | 2014-11-17 | 2014-11-17 | A kind of IC-card intelligent gas meter with wireless routing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420687160.3U CN204215483U (en) | 2014-11-17 | 2014-11-17 | A kind of IC-card intelligent gas meter with wireless routing |
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| CN204215483U true CN204215483U (en) | 2015-03-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065967A (en) * | 2016-07-22 | 2016-11-02 | 成都秦川科技发展有限公司 | Control circuit and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065967A (en) * | 2016-07-22 | 2016-11-02 | 成都秦川科技发展有限公司 | Control circuit and method |
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