CN202177947U - GPM (general-purpose microprocessor) module IC (integrated circuit) card intelligent gas meter with combustible gas alarm - Google Patents
GPM (general-purpose microprocessor) module IC (integrated circuit) card intelligent gas meter with combustible gas alarm Download PDFInfo
- Publication number
- CN202177947U CN202177947U CN2011203085041U CN201120308504U CN202177947U CN 202177947 U CN202177947 U CN 202177947U CN 2011203085041 U CN2011203085041 U CN 2011203085041U CN 201120308504 U CN201120308504 U CN 201120308504U CN 202177947 U CN202177947 U CN 202177947U
- Authority
- CN
- China
- Prior art keywords
- module
- gpm
- circuit
- card
- gas meter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
- Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to a GPM (general-purpose microprocessor) module IC (integrated circuit) card intelligent gas meter with combustible gas alarm. The GPM module IC card intelligent gas meter is characterized by comprising a low-power-consumption single chip microcomputer, and a GPM data storage module, an IC card reading-writing module, an online-programmable interface circuit, a liquid crystal display unit, a motor valve working circuit, a linear voltage detecting circuit, a linear voltage stabilizing circuit, a Hall element metering detecting module, a high-power energy-storage capacitor unit, a voice prompting circuit unit and a combustible gas alarm detecting circuit unit which are connected at the periphery of the single chip microcomputer. In the GPM module IC card intelligent gas meter, the working voltage is low, the static power consumption is less, and the overdraft function, the traceability and restoration functions of meter information, the function of magnetic interference resistance, the function of flexible customizing according to the need of a user and the function for connection with a combustible gas alarm detector of the GPM module IC card intelligent gas meter with the combustible gas alarm can be achieved.
Description
Technical field
The utility model relates to a kind of metering gas with table, relates in particular to a kind of GPM module I C card intelligent gas meter with the inflammable gas warning.Belong to the measurement instrument technical field.
Background technology
GPM module I C card intelligent gas meter to be traditional gas meter, flow meter technology with electronics and computer technology now combine electronic product.Compare with traditional IC-card diaphragm gas meter, its main advantage is to solve the centralized management that Gas Group company his-and-hers watches tool uses, and realizes the pre-payment control function that combustion gas is used.Stop arrearage, reduce the gas company loss.This technical feature is reliable; Easy to use, cooperate networked fee collection platform management system and on-the-spot hand-held charge query facility, realize that the user purchases the gas robotization; Sell the robotization of gas management and user data management inquiry, become the intelligentized new direction of gas measuring products.
Early stage Contact Type Ic Card gas meter, flow meter technology is because there is certain defective in control system, the present the following aspects of these defect maps in design:
1, can't realize verifying between IC-card table tool information and the Fare Collection System information;
2, the Fare Collection System software function is single can't inquiring user table tool state, can't know that for group company subsidiary/member companies's system operation situation and system maintenance are loaded down with trivial details;
3, IC-card encryption method defective is prone to be duplicated by relevant IC-card reproducer, causes the disorderly or table of control program to go up to show numerical value and management system to supplement numerical value with money and be not inconsistent phenomenon;
4, control system occurs in the power supply sudden power or under the situation that high voltage destroys that tolerance is lost, the misprogramming phenomenon;
5, can't realize that each IC-card back of dispatching from the factory all has unique ID number in the system;
6, table tool function can not be provided with and manage flexibly;
7, can not realize the linear detection of supply voltage, dynamically show battery electric quantity state;
8, valve driving circuit is subject to the high voltage influence, causes the valve switch fault.
9, do not adopt high power capacity to supply system works as storage capacitor.
10, be not with external signal input interface, can't realize and being connected of inflammable gas alarm detection appearance.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned deficiency; A kind of GPM module I C card intelligent gas meter with the inflammable gas warning is provided; Its overall power is low; Do not occur that director demon disorder, tolerance value are lost, IC-card is locked, the control of motor valve is not normal, IC-card is prone to be replicated and cut off the power supply not closing valve phenomenon; And can realize GPM module I C card intelligent gas meter overdraw function with the inflammable gas warning, table tool information can be reviewed and restore funcitons, flexibly customized function of antimagnetic interference function and user's request and and inflammable gas alarm detection appearance linkage function.
The purpose of the utility model is achieved in that a kind of GPM module I C card intelligent gas meter with the inflammable gas warning; Comprise low-power scm, but and GPM data memory module, IC-card module for reading and writing online programming interface circuit, liquid crystal display display unit, motor valve operating circuit, linear voltage testing circuit, linear voltage-stabilizing circuit, Hall element count detection module, large power energy storage capacitor cell, auditory tone cues electric circuit unit and the inflammable gas alarm detection circuit unit of SCM peripheral connection.
But said single-chip microcomputer is the MC9S08LL16 low-power scm of online programming.
Said motor valve operating circuit adopts integrated direct current generator chip for driving control motor valve, and its output current reaches 500mA.
Compared with prior art, the beneficial effect of the utility model is:
The utility model information can be reviewed formula IC-card intelligent gas meter; Its WV is low; Quiescent dissipation is little, not only can prevent to eat card and IC-card is locked, duplicate the IC-card problem, and can realize the GPM module I C card intelligent gas meter overdraw function of reporting to the police with inflammable gas; Table tool information can be reviewed and restore funcitons, flexibly customized function of antimagnetic interference function and user's request and and inflammable gas alarm detection appearance linkage function.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Referring to Fig. 1; The utility model relates to a kind of GPM module I C card intelligent gas meter with the inflammable gas warning; Comprise low-power scm, but and GPM data memory module, IC-card module for reading and writing online programming interface circuit, liquid crystal display display unit, motor valve operating circuit, linear voltage testing circuit, linear voltage-stabilizing circuit, Hall element count detection module, large power energy storage capacitor cell, auditory tone cues electric circuit unit and the inflammable gas alarm detection circuit unit of SCM peripheral connection.
But said single-chip microcomputer is the MC9S08LL16 low-power scm of online programming.
Said motor valve operating circuit adopts integrated direct current generator chip for driving control motor valve, and its output current reaches 500mA.
Below above-mentioned each functional unit is described below respectively:
1, the single-chip microcomputer single-chip microcomputer is the core cell of control system, the sending all by its completion of all Signal Processing, reception, data operation and steering order.Native system MC9S08LL16 single-chip microcomputer is 8 single-chip microcomputers of Freescale based on HCS08 nuclear, and this single-chip microcomputer has extremely low power dissipation, and built-in LCD drives and abundant peripheral interface.Technical grade environmental requirement design is fit to the designing requirement of IC-card gas meter, flow meter product fully.The principal feature of MC9S08LL16 is following:
Low-work voltage 1.8V-3.6V
Maximum bus frequency 10MHz
Built-in FLL circuit FLL
The 16KFLASH program space
2K byte RAM
2 16 bit timing devices
Real-time clock counter TOD
8 tunnel 12 A/D
Analog comparator
Built-in LCD drives, and configurable 8 * 24 or 4 * 28
1 external interrupt and 8 external keyboards interrupt KBI
The house dog of inner RC oscillator
Low-voltage detection circuit LVI
1 SPI, I2C, SCI.
2, GPM data memory module
The GPM data memory module has the single-chip machine information processing unit.Its WV 3.6V can preserve data 100 years, and 100,000 times writing and wiping can be arranged.
3, IC-card module for reading and writing IC-card is the medium that is used for preserving user profile, system password, Status Flag and purchase tolerance, and its data transfer mode also is I
2The communication modes of C and single-chip microcomputer carry out data transmission.The IC-card that native system is selected for use is the logic encryption card of Siemens Company; This IC-card has 3 error code countings and limits; The data retention cycle is 100 years, effectively write with erasing times be 100,000 times, this IC-card blocks user Lai Shuoshi one table one; It is subscriber card that the employed IC-card of this system has only a kind of, this subscriber card with zero clearing, be provided with, purchase airway dysfunction and be combined on the card.That the design Selection long-life of this unit, highly reliable deck, its circuit adopt is antistatic, attack protection and anti-shake technology, effectively is adapted at use complex environment under.
But 4 online programming unit
The single-chip microcomputer of system design is the FLASH type single-chip microcomputer of repeatedly burning, utilizes this function to upgrade to the scm software program very easily, for product development, production and after sale service work bring great convenience.
5, Hall element technology for detection module
The function of this module mainly is for single-chip microcomputer provides traffic pulse, and sending of its signal is the break-make completion by Hall element, and its design philosophy comprises anti-shake technology, the interference in erasure signal source.Single-chip microcomputer in time is saved in EEPROM with data after receiving the magnetic guard signal after, the disable motor valve sends alarm command.
6, liquid crystal display display unit
This unit adopts the low-power consumption LCD display, can intuitively show 9999.99m
3Informations such as tolerance information and " surplus ", " fault ", " under-voltage " " Card Reader *, √ ", " steal ", " valve leaves ", " valve pass ", " remaining sum ", electric weight mark.LCDs is in the open mode overall power and also has only 7 microamperes under the single-chip microcomputer dormant state.
7, linear voltage-stabilizing circuit unit
This unit major function is the linear voltage that the voltage stabilizing of outside DC 6V voltage is become 3.6V, and 3.6V voltage is offered SCM system work.
8, linear voltage detecting unit
When external input voltage was lower than system's detection setting value, single-chip microcomputer was carried out and is preserved the EEPROM data, carries out pass valve and information and instructs through single-chip microcomputer low-voltage detection circuit LVI.
9, motor valve driver element
The major function of this unit is the instruction that receives the controlled valve that single-chip microcomputer sends.The advantage of this unit is to adopt integrated direct current generator chip for driving control motor valve, and its output current reaches 500mA, and integrated level is high, and is more reliable than the general pass valve circuit of discrete component design that leans on.10, auditory tone cues unit
The function of this unit mainly is that the user operates or shows tool work and the time send prompt tone, informs the state of subscriber's meter tool.
11, inflammable gas alarm detection circuit unit
This element circuit adopts the SHARP optocoupler, realizes the isolation of inflammable gas alarm detection appearance output signal to the table tool, guarantees the stability of alerting signal.
Important technological parameters:
1, supply voltage: DC 1.5V * 4
2, valve working voltage: DC 1.5V ~ 6.5V
3, valve working electric current: during DC 6V less than 200mA
4, the controlled valve time: during DC 6V less than 500mS
5, static working current: less than 7 μ A
6, the read-write card running time: less than 300mS
7, read-write card electric current: less than 50mA
8, power supply detects magnitude of voltage: 4.2V, 3.6V, 3.2V, 3.0V
9, ambient temperature and humidity :-40 ℃ ~+60 ℃, greater than 90%.
Claims (3)
1. GPM module I C card intelligent gas meter of reporting to the police with inflammable gas; It is characterized in that comprising low-power scm, but and GPM data memory module, IC-card module for reading and writing online programming interface circuit, liquid crystal display display unit, motor valve operating circuit, linear voltage testing circuit, linear voltage-stabilizing circuit, Hall element count detection module, large power energy storage capacitor cell, auditory tone cues electric circuit unit and the inflammable gas alarm detection circuit unit of SCM peripheral connection.
2. a kind of GPM module I C card intelligent gas meter according to claim 1 with the inflammable gas warning, but it is characterized in that the MC9S08LL16 single-chip microcomputer of said single-chip microcomputer for online programming.
3. a kind of GPM module I C card intelligent gas meter with the inflammable gas warning according to claim 1 and 2 is characterized in that said motor valve operating circuit adopts integrated direct current generator chip for driving control motor valve, and its output current reaches 500mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203085041U CN202177947U (en) | 2011-08-23 | 2011-08-23 | GPM (general-purpose microprocessor) module IC (integrated circuit) card intelligent gas meter with combustible gas alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203085041U CN202177947U (en) | 2011-08-23 | 2011-08-23 | GPM (general-purpose microprocessor) module IC (integrated circuit) card intelligent gas meter with combustible gas alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202177947U true CN202177947U (en) | 2012-03-28 |
Family
ID=45867819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203085041U Expired - Fee Related CN202177947U (en) | 2011-08-23 | 2011-08-23 | GPM (general-purpose microprocessor) module IC (integrated circuit) card intelligent gas meter with combustible gas alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202177947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359513A (en) * | 2014-12-03 | 2015-02-18 | 四川泰鹏测控仪表科技有限公司 | Intelligent gas meter based on GSM (global system for mobile communication) communication |
-
2011
- 2011-08-23 CN CN2011203085041U patent/CN202177947U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359513A (en) * | 2014-12-03 | 2015-02-18 | 四川泰鹏测控仪表科技有限公司 | Intelligent gas meter based on GSM (global system for mobile communication) communication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102663857B (en) | Non-contact IC card mechanical film type gas meter and control system thereof | |
| CN102324144A (en) | Intelligent waterproof water meter with radio frequency (RF) card | |
| CN201796429U (en) | IC card prepayment water meter control circuit | |
| CN106774604B (en) | Key wakeup circuit, awakening method and its manufactured meter reading terminal | |
| CN101520919B (en) | Public electricity utilization management system | |
| CN202142131U (en) | Radio frequency card intelligent waterproof water meter | |
| CN202285025U (en) | One-phase fee-control smart electricity meter | |
| CN203101508U (en) | Single-phase remote cost control electric energy meter | |
| CN205120170U (en) | Thing networking information system management safety gas table | |
| CN105279855B (en) | NFC radio frequency CPU card intelligent gas meters | |
| CN202177947U (en) | GPM (general-purpose microprocessor) module IC (integrated circuit) card intelligent gas meter with combustible gas alarm | |
| CN206224689U (en) | A kind of Intelligent Card for Gas Meter controller based on the GPRS communication technologys | |
| CN206505493U (en) | A kind of electric energy meter with GPRS functions | |
| CN203366437U (en) | Intelligent multifunctional IC (Integrated Circuit) card gas meter | |
| CN204143550U (en) | NFC radio frequency CPU card intelligent gas meter | |
| CN103150828A (en) | Local carrier single-phase fee-controlled intelligent electric energy meter | |
| CN202177949U (en) | Gallon per minute (GPM) module integrated circuit (IC) card intelligent gas meter | |
| CN203415042U (en) | Intelligent IC (integrated circuit) card prepayment water meter | |
| CN202177948U (en) | Information traceable type integrated circuit (IC) card intelligent gas meter | |
| CN202372571U (en) | Remote carrier wave single-phase cost control intelligent electric energy meter | |
| CN202120056U (en) | Intelligent water meter controller of card type used for self-prepared well | |
| CN103150827A (en) | Local single-phase fee-controlled intelligent electric energy meter | |
| CN202472800U (en) | Intelligent gas meter with information traceable type IC card | |
| CN202339602U (en) | Local single-phase cost control smart electric energy meter | |
| CN202563598U (en) | Non-contact IC (Integrated Circuit) card type mechanical film type gas meter and control system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20160823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |