CN101937594B - Split direct-reading type IC (Integrated Circuit) card/CPU (Central Processing Unit) card flow meter - Google Patents
Split direct-reading type IC (Integrated Circuit) card/CPU (Central Processing Unit) card flow meter Download PDFInfo
- Publication number
- CN101937594B CN101937594B CN2010102335849A CN201010233584A CN101937594B CN 101937594 B CN101937594 B CN 101937594B CN 2010102335849 A CN2010102335849 A CN 2010102335849A CN 201010233584 A CN201010233584 A CN 201010233584A CN 101937594 B CN101937594 B CN 101937594B
- Authority
- CN
- China
- Prior art keywords
- card
- flowmeter
- control device
- cpu
- cpu card
- 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
Abstract
The invention relates to a split direct-reading type IC (Integrated Circuit) card/CPU (Central Processing Unit) card flow meter, consisting of an IC card/CPU card control device and a flow meter. Data communication between the IC card/CPU card control device and the flow meter is carried out in the digital communication link ways such as RS485 industrial bus; the IC card/CPU card control device directly reads the working state information of the flow meter; the IC card/CPU card control device finishes the charging management and control function of the flow meter according to the working state information; and the working state information of the flow meter and the IC card/CPU card control device can be remotely transmitted to a management system platform. The invention ensures the consistency of the metering and charging value of the flow meter and the IC card/CPU card control device, and realizes the multiple functions that the accumulated flow value data read and stored by the IC card/CPU card control device can be recovered, the working state of the flow meter is controlled and the working state information of the split direct-reading type IC card/CPU card flow meter is transmitted from time to time.
Description
Technical field
The present invention relates to the flowmeter in the metering and billing service mode, more specifically, relate to a kind of split direct-reading IC-card/CPU card flowmeter.
Background technology
In the flowmeter that possesses the metering and billing intelligent function, need flowmeter and IC-card/two units of CPU card control device to be used.Hereinafter, although use the appellation of IC-card/CPU card to express, those skilled in the art should know, and IC-card should be to have contained the CPU card on the stricti jurise.Yet in gas industry, often the CPU card is defined as another kind of appellation separately, therefore adopts the notion of IC-card/CPU card in the present invention.
As everyone knows, calculating instrument (being also referred to as correction instrument) is the vitals of flowmeter, its effect is the flow floor data that its machinery of flowmeter of various principle of work is gathered, instrument standard correction factor in accordance with regulations as calculated, floor data is revised, drawn the normal flow data (the trade settlement parameter of general provision metering is to be as the criterion with mark condition data on flows) under the status of criterion.Next is to possess data messages such as mark condition flow are externally transmitted by communication unit.
And flowmeter (calculating instrument) is gone back the function of configuration data transmission usually except that the gage work unit, and the realization of this function is by the communication operational module that disposes, and as the RS485 of common configuration or the operational module of RS232 data communication, also can claim communication unit.
The communication connected mode current, that flowmeter (calculating instrument) and IC-card/CPU card control device exists between these two has a kind of scheme based on pulse signal communication.Be after flowmeter is metered into the unit volume medium and passes through, with the form notice IC-card/CPU card control device of a level pulse signal, IC-card/CPU card control device is calculated the accumulative total consumption by the pulse signal number that receives.
Flowmeter and IC-card in aforesaid way/CPU card control device exists consumption metering units that adds up and the metering units that charges and successively decrease, disturb because the pulse signal transmission is subject to other extraneous factor, long-time running may take place two and add up and the inconsistent situation of the numerical value that successively decreases.In addition, the flowmeter worker marks the condition work state information and can't transmit, and IC-card/CPU card control device can only manage and control with regard to continuous data information, can not implement management and control unusually to the flowmeter duty.
Summary of the invention
In view of above-mentioned defective of the prior art, the present invention proposes a kind of technical scheme based on flowmeter and IC-card/CPU card control device metering and billing, work state information digitizing, intelligent management and control.
The invention provides a kind of split direct-reading IC-card/CPU card flowmeter, constitute by IC-card/CPU card control device and flowmeter, it is characterized in that: described flowmeter disposes calculating instrument, communicate by digital communi-cations link between described IC-card/CPU card control device and the described flowmeter (calculating instrument), directly read the interior cumulative flow value of flowmeter (calculating instrument) and the work state information of flowmeter; Described IC-card/CPU card control device is finished metering and billing management and control function according to described cumulative flow value, work state information, and the consistance of the metering and billing numerical value of dependable flow meter (calculating instrument) and IC-card/CPU card control device.
According to a preferred embodiment of the invention, the circuit of wherein said IC-card/CPU card control device part and display unit still show its former related data at the control device end on the flowmeter calculating instrument display screen.
According to a preferred embodiment of the invention, wherein said digital communi-cations link is RS485 industrial bus or RS232 industrial bus.
According to a preferred embodiment of the invention, wherein said flow is counted measuring instrument No. one time, measure the medium volume metering, and pass through the calculating instrument communication unit that disposed and come transmission of digital signals with full duplex RS485 or RS232 industrial bus interface and based on the industrial automation network standard of Modbus agreement.
According to a preferred embodiment of the invention, the communication unit of wherein said flowmeter (calculating instrument) adopts external city power supply or is powered by IC-card/CPU card control device.
According to a preferred embodiment of the invention, wherein said IC-card/CPU card control device is a secondary instrument, be the control module of realizing metering and billing, flowmeter working state administration function, initiatively read the cumulative flow value of flowmeter (calculating instrument) and the status information of flowmeter by full duplex RS485 or RS232 Interface for digital communication and based on the industrial automation network standard of Modbus agreement.
According to a preferred embodiment of the invention, described IC-card/CPU card control device expansion has remote data transmission unit or interface.
According to a preferred embodiment of the invention, described remote data transmission unit or interface are connected with IC-card/CPU card table background management system.
According to a preferred embodiment of the invention, described IC-card/CPU card table background management system also comprises the remote monitoring function module.
According to a preferred embodiment of the invention, data communication is the regular method of synchronization synchronously between described flowmeter (calculating instrument) and IC-card/CPU card control device.
According to a preferred embodiment of the invention, data communication is the real-time method of synchronization synchronously between described flowmeter (calculating instrument) and IC-card/CPU card control device.
According to a preferred embodiment of the invention, described work state information comprises in temperature, pressure, instantaneous delivery and/or the low-voltage dead electricity pressure information at least one.
According to a preferred embodiment of the invention, the working power of the communication unit of described calculation instrument is by IC-card/CPU card control unit feeding, and the working power that IC-card/the CPU card provides provides intermittence power supply or power supply in real time according to the demand of data transmission.
Can judge and implement management and control when according to a preferred embodiment of the invention, described IC-card/CPU card control device is to the calculating instrument integrated flux data generation saltus step of flowmeter.
Adopt all-digital communication according to split direct-reading IC-card of the present invention/CPU card flowmeter, fundamentally having solved communicates by letter between flowmeter (calculating instrument) and control device, and to be subjected to external interference and people be the problem that causes the fault effects metering and billing; Increased the monitoring function to the flowmeter running status, solved because of the flowmeter base table breaks down and had influence on the problem of integral product running quality, guaranteed in the equipment running process, continuous data is accurate, continuous data can recover.To in technological transformation, provide the design that cost is low, be easy to realize with product.And communication unit or the interface function of metering, the transmission of operating state data information remote have been reserved.
Though will describe the present invention in conjunction with some exemplary enforcements and using method hereinafter, and it will be appreciated by those skilled in the art that and be not intended to the present invention is limited to these embodiment.Otherwise, be intended to cover all substitutes, correction and the equivalent that are included in defined spirit of the present invention of appending claims and the scope.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can obtain instruction from the practice of the present invention to investigating hereinafter.Target of the present invention and other advantages can be passed through following instructions, claims, and the specifically noted structure realizes and obtains in the accompanying drawing.
Description of drawings
Fig. 1 shows the synoptic diagram of split direct-reading IC-card of the present invention/CPU card flowmeter.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.The embodiment that it should be noted that manufacturing method according to the invention is as just example, but the invention is not restricted to this embodiment.
Next, with reference to the accompanying drawings, describe in detail according to split direct-reading IC-card of the present invention/CPU card flowmeter.
According to a preferred embodiment of the invention, this system comprises flowmeter and IC-card/CPU card control device, adopts full duplex RS485 industrial bus or RS232 industrial bus interface scheme.This IC-card/CPU card control device no longer needs to carry out according to the flowmeter pulse signal unit module of metering and billing computing, be connected by RS485 industrial bus or RS232 industrial bus but make between IC-card/CPU card control device and the flowmeter (calculating instrument), directly read the work state information (this workflow is data communication or is the data sync workflow) of interior cumulative flow value of flowmeter (calculating instrument) and flowmeter (calculating instrument), IC-card/CPU card control device is finished metering and billing according to this data message, the management and the control function of work running status, dependable flow meter (calculating instrument) and IC-card/CPU card control device be with the consistance of numerical quantity, and according to the flowmeter work state information flowmeter is managed and controls.
As shown in Figure 1, show structure according to split direct-reading IC-card of the present invention/CPU card flowmeter.This system is made up of three parts.
A) flowmeter: a measuring instrument, measure the medium volume metering, export digital signal by the calculating instrument communication unit of its configuration with full duplex RS485 interface or RS232 interface.In a preferred embodiment, the power consumption during owing to the work of flowmeter (calculating instrument) communication unit is bigger, and flowmeter (calculating instrument) needs to adopt the dispatch from foreign news agency power supply.
The required power supply of metering units of flowmeter (calculating instrument) is to be supplied with by the autogamy accumulator, and communication unit (because of the reason of its work power consumption) working power at this moment of enabling its configuration when data need be transmitted needs configuration in addition.The basic at present external city power supply that adopts, according to a preferred embodiment of the invention, flowmeter communication unit of the present invention can connect city's power supply, also can be by IC-card/CPU card control device power supply., according to a preferred embodiment of the invention, the communication unit of flowmeter of the present invention is by IC-card/CPU card control device power supply, and the working power that IC-card/the CPU card provides provides intermittence power supply or power supply in real time according to the demand of data transmission.
Consider calculating instrument communication unit (module) work power consumption, IC-card/CPU card control device adopts the power supply mode of intermittence to solve the working power of calculating instrument communication unit (module).When needing data communication (synchronously) promptly to read data message such as integrated flux data, send the instruction of connecting calculating instrument communication unit (module) power supply earlier by IC-card/CPU card control device CPU processor, the back communication unit (module) that powers on is activated, and IC-card/CPU card control device reads data messages such as flowmeter integrated flux data.After reading successfully, power down at once, calculating instrument communication unit this moment (module) is in the state of quitting work.Reach with this and both to have solved communication unit (module) working power, also therefore do not increase external civil power and the purpose of the technical barrier of the equipment purchase cost that brings and use cost.
B) IC-card/CPU card control device: secondary instrument, realize the metering and billing function and flowmeter is managed the unit of control, initiatively read the flow counting by full duplex RS485 interface or RS232 interface and it is believed that breath; Control device can be expanded teletransmission (remote transmission) interface, is convenient to the backstage and realizes remote monitoring function.
C) backstage: IC-card/CPU card list management system also can increase the remote monitoring function module.
Data such as integrated flux are by RS485 or the transmission of RS232 differential bus, and IC-card/CPU card control device end is as the calling party under the work normality, and flowmeter (calculating instrument) is held as the callee; (transfinite as flowmeter low-voltage, instantaneous delivery) when the warning duty appears in flowmeter, calling and called side exchanges.When needing data communication (synchronously) promptly to read integrated flux (work state information), IC-card/CPU card control device end sends power supply to flowmeter (calculating instrument) communication unit and makes its activation and read the cumulative flow value.IC-card/CPU card control device adopts current cumulative flow value to deduct IC-card/existing base table truth of a matter of flowmeter (calculating instrument) when CPU card control device has just been enabled (the base table truth of a matter is the flowmeter cumulative flow value that IC-card/CPU card control device reads when opening an account), calculates the accumulative total consumption of user on present flow rate meter (calculating instrument).
If the user does not change the inflow-rate of water turbine meter, then use the medium amount of always pre-paying amount of money conversion to deduct accumulative total gas consumption (cumulative flow value), calculate remaining sum or remaining media value in IC-card/CPU card control device.
If the user changes the inflow-rate of water turbine meter, then use the medium amount of always pre-paying amount of money conversion to deduct total accumulative total consumption, calculate remaining sum or residue value in IC-card/CPU card control device.
Data communication is with regard to (synchronously) cycle with regard between flowmeter (calculating instrument) and IC-card/CPU card control device, consider control device end and flowmeter (calculating instrument) the communication power consumption on bus interface in this embodiment, timing communication (synchronously) cycle between the equipment per hour is set at once.Sent data communication (synchronously) order for flowmeter (calculating instrument) every one hour by IC-card/CPU card control device, after flowmeter (calculating instrument) receives order, its communication unit is activated and is communicated with flowmeter (calculating instrument) evaluation work unit, and IC-card/CPU card control device both row reads its integrated flux Value Data and duty information such as (temperature, pressure, instantaneous delivery value and/or low-voltage dead electricity are pressed information).
Except that periodic data communication (synchronously) function, control device also possesses the function of data Random Communication (synchronously), in the time of promptly need verifying data such as cumulative flow value, remaining sum or residue value, can artificially wake button up or insert subscriber card, start the real-time data communication (synchronously) between flowmeter (calculating instrument) and IC-card/CPU card control device by the demonstration on IC-card/CPU card control device.
Data communication (synchronously) cycle can be adjusted automatically with the flowmeter running clearance between flowmeter (calculating instrument) and IC-card/CPU card control device, makes because of a variety of causes equipment room data communication cycle stretch-out out of service, and equipment is in the battery saving mode state around here.
In a certain embodiment, if equipment is in Status of Backups or seasonal temporary transient run-stopping status, IC-card/CPU card control device is when data communication so, flowmeter (calculating instrument) the integrated flux data of continuous 3 receptions do not change, IC-card/CPU card control device is judged to be flowmeter automatically and stops transport, the equipment room data communication that after this will automatically prolong (synchronously) cycle be 2 hours once; The flowmeter shut down condition does not change yet, communication (synchronously) cycle stretch-out be 4 hours once or 8 hours once; Until be extended for 24 hours communication (synchronously) once; Ten days communication (synchronously) once.
When flowmeter resumes operation, IC-card/CPU card control device reverts to equipment room data communication (synchronously) cycle normality (promptly 1 hour once) automatically.
When the communication unit employing mains-supplied pattern of flowmeter (calculating instrument) with IC-card/CPU card control device, its data communication (synchronously) then is to realize constantly.
Compared with prior art, the Presentation Function according to IC-card of the present invention/CPU card control device is improved.
Because the data sync of IC-card/CPU card control device and flowmeter (calculating instrument) adopts per hour regularly synchronous mode generally speaking, the data in IC-card/CPU card control device have 1 hour with interior hysteresis.Therefore IC-card/CPU card control device display items increases flowmeter (calculating instrument) cumulative flow value, the accumulative total volume value of the last (currency); And can show lock in time last time; Show remaining sum or convert back residue value.
And, can also show the last pre-pay the amount of money or convert after value and time.
In a preferred embodiment, increase demonstration on IC-card/CPU card control device and wake button up, display screen is in sleep state at ordinary times, show when waking button up when pressing, carry out cumulative flow value, accumulative total volume value, remaining sum or convert back surplus data and card table status after device synchronization and the display synchronization.When regularly finishing synchronously, sleep after the display screen display message.
In a preferred embodiment, can also increase the demonstration page-turning button, when display message needs multihead display, carry out page turning by this button and show.
Next, will describe flowmeter according to the present invention in detail and change the list processing (LISP) process.
Before changing flowmeter, long data sync of forcing to carry out flowmeter and IC-card/CPU card control device by the Show Button or other modes, IC-card/CPU card control device reads the up-to-date cumulative flow value of flowmeter, calculate and preserve cumulative flow value, the accumulative total volume value before changing and always pre-pay the amount of money or the back value that converts, this cumulative flow value amount is as last round of accumulative total consumption.
After flowmeter more changes jobs and finishes, table back initial card is changed in insertion, IC-card/CPU control device reads the current cumulative flow value of new flowmeter (calculating instrument) as the new truth of a matter, calculates later on and uses this truth of a matter, and always adding up gas consumption need be included last round of cumulative flow value.Changing table back initial card can do by safeguarding with POS mechanism.Cumulative flow value before changing is only done computing and is not shown, only shows the new integrated flow value after changing, and the cumulative flow value before changing can obtain by capture card.
Certainly, also can upgrade data in IC-card/CPU card control devices by other enforcement scheme, at management backstage Backup Data and after registering, reset in the control device always pre-pay the amount of money or convert after value and table truth of a matter information.
Next, with the processing procedure of describing in detail according to flowmeter periodic calibration of the present invention.
Flowmeter is before the calibration interval completely need inspect by ready samples again, long data sync of forcing to carry out flowmeter (calculating instrument) and IC-card/CPU card control device by the Show Button or other modes, IC-card/CPU card control device reads the up-to-date cumulative flow value of flowmeter (calculating instrument), calculate and preserve cumulative flow value, the accumulative total volume value before changing and always pre-pay the amount of money or convert after value, this cumulative flow value, accumulative total consumption are as last round of accumulative total consumption.
Flowmeter after calibrating and control device are reinstalled and are finished, and insert periodic calibration data correction instrument card, and the used data on flows of this periodic calibration is done correcting process.
Promptly, the new data that data on flows communication first (synchronously) back is obtained after the week inspection, be periodic calibration institute volume value with the difference that draws after the integrated flux Value Data computing before the censorship, this volume value is done sign by data correction instrument card, this value counts the cumulative flow value, but does not do the computing of successively decreasing of the residue value after accumulative total volume value calculating and remaining sum or the conversion.
Next, will describe flowmeter cumulative maximum amount according to the present invention in detail and overflow processing procedure.
When flowmeter used integrated flux to surpass maximal value (as 999999999.9999/elster) for a long time, flowmeter was since 0 accumulation again;
When the flowmeter integrated flux that reads less than 999999999.9999 more than or equal to after 0.0000, IC-card/CPU card control device thinks that flowmeter overflows;
With integrated flux maximal value 999999999.9999 and preserve this value as last round of cumulative flow value;
Adopt the truth of a matter of present flow rate meter reading as a new round, computing always add up volume value and remaining sum or convert after the residue value time need last round of accumulative total volume value be included, show current cumulative flow value, accumulative total volume value and remaining sum or residue value.
When the flowmeter semi-invariant greater than 999,990, after 000.0000, improve synchronous frequency (when flowmeter cumulative maximum amount overflow dispose after, recover the normal synchronized frequency).
Next, will describe in detail according to the metering and billing working cell of IC-card of the present invention/CPU card control device and change processing procedure.
Insert transition card to IC-card/CPU card control device, the parameter that produces comprise IC-card/CPU card control device always pre-pay the amount of money or convert after value, cumulative flow value (comprising last round of accumulative total consumption), accumulative total volume value, remaining sum or convert after data such as residue value, flowmeter (calculating instrument) truth of a matter to new IC-card/CPU card control device.After being transferred to new IC-card/CPU card control device, new IC-card/CPU card control device recording is the last to be shifted the date of taking place.
Next, will describe in detail according to data communication (synchronously) exception handling procedure between flowmeter of the present invention (calculating instrument) and IC-card/CPU card control device.
When IC-card/CPU card control device reads flowmeter (calculating instrument) data failure, (can set as required in 1 minute at interval, as 1～2 minute) repeat to read again (can set for example 2～5 times as required) twice, the display screen display synchronization is unusual when all failing.According to customer requirements this moment can valve-off, also valve-off not.If the teletransmission interface is arranged, report unusually by the teletransmission interface.
Next, will describe in detail according to flowmeter low-voltage processing procedure of the present invention.
IC-card/CPU card control device regularly reads the battery electric quantity information of flowmeter (calculating instrument) or receives flowmeter (calculating instrument) output LOW voltage alerting signal initiatively when low-voltage state occurring.When electric weight is not enough, point out and alarm, and improve synchronous frequency, after determining flowmeter battery decompression, valve-off is also reported to the police.
Next, will describe in detail according to flowmeter super-flow of the present invention or extra small flow processing procedure.
When IC-card/CPU card control device and flowmeter (calculating instrument) data communication (synchronously), read the instantaneous delivery information of flowmeter (calculating instrument) simultaneously,, can report to the police or protectiveness pass valve if find super large or extra small flow.
When in data communication (synchronously) periodic interval, the super-flow state occurring; flowmeter (calculating instrument) initiatively sends alerting signal to the control device; IC-card/CPU card control device log-on data communication (synchronously); the instantaneous delivery data that flowmeter is occurred read affirmation, then carry out protectiveness and close valve and alarm.
The threshold value that the protectiveness of super large or extra small flow status is closed the valve function on can be provided with according to the actual range and the management expectancy of flowmeter base table,
According to a preferred embodiment of the invention, the present invention is provided with expanded data teletransmission unit or interface.Particularly, but IC-card/CPU card control device reserved data remote transmission unit or interface.The communication mode of remote transmission can possess wireless and wired two kinds.Can also gather temperature, the pressure of flowmeter, information such as instantaneous delivery by this teletransmission unit or interface.
With regard to later maintenance, operator is after equipment puts into operation, with regular or irregular collection related data, when not enough, should there be measure to satisfy the data acquisition demand to the capture card data bit to data super larges such as cumulative flow value, accumulative total volume value when the equipment operation phase is long.So leave the data transmission serial ports at the control device end, do data acquisition in order to handheld POS machine.
Next, will describe in detail according to flowmeter of the present invention (calculating instrument) integrated flux data and the control on Abnormal processing procedure occur.
Flowmeter (calculating instrument) integrated flux data are stored by calculating instrument after producing.When running into unexpected interference source (for example strong electromagnetic, power down by force), may produce the phenomenon of storage data saltus step (the integrated flux data diminish or surpass the storage data value).Store the data saltus step, will have a strong impact on the accuracy of integrated flux data.
IC-card/CPU card control device when reading the integrated flux data of flowmeter (calculating instrument) storage, finds that the oriented jete realization of data resembles, at once valve-off; Find the oriented big saltus step phenomenon that surpasses the normal discharge data of data, promptly do incident sign (as if the remote data transmission configuration, with the reporting events background management system).But the event data later stage gathers.
Next, the processing procedure of the warning duty of the super set pressure of flowmeter appearance, temperature according to the present invention will be described in detail.
Because these product data communication process is the data message that is initiatively read flowmeter (calculating instrument) by IC/CPU card control device, both relations are master slave relations.When the warning duty of super set pressure, temperature appears in flowmeter, send a pulse signal by flowmeter (calculating instrument), IC/CPU card control device starts forces data sync (communication) flow process, read flowmeter (calculating instrument) data message, according to flowmeter warning duty start-up control flow process.
This inventive point is with the simplest mode, change the master slave relation between IC/CPU card control device and the flowmeter base table, after reaching flowmeter and the warning duty occurring, initiatively send pulse signal, IC/CPU card control device with the mode reading of data of data communication to carry out control flow accurately.Just, be converted into the interpretation of warning quantitative values with a warning determining signal.
For other demand or function, the function that existing flowmeter IC-card/CPU card control device is possessed that the present invention does not relate to must keep, and has more perfect.And the present invention can customize to satisfy and to meet all technical needs of being put forward.
The present invention also has good compatibility and scalable performance, in actual applications, has considered in the operation flowmeter IC-card/online transformation of CPU card control device (logic encryption card) and On-line Product transformation of other manufacturer.
After the upgrading of management system, the related data that can realize IC-card/CPU card flowmeter is through approach such as artificial collection, remote transmission or subscriber card retaking of a year or grade, the comprehensive utilization on the management system backstage.Except that the statistical item of routine, can increase flowmeter, control device maintain and replace record; Flowmeter periodic calibration record and corresponding prompt function.Such as, the schedule time before flowmeter need be done periodic calibration, management system can generate the flowmeter register of pipe network domestic demand censorship automatically, and auxiliary managerial personnel are to the operational management of flowmeter.
With regard to compatibility of the present invention, in a preferred embodiment, the product function of specific implementation and technical need are except that the demand that the present invention mentions, all the other functions still can be prolonged the function that possesses with original product or be needed more perfect.
The present invention is directed to former IC-card/CPU card flowmeter and have perfect not to the utmost technical design, carried out suitable technological improvement.By adopting split direct-reading IC-card/CPU card flowmeter, increased the base table running quality and the phenomenon monitoring contrast measure of breaking down.
Although in embodiment, still adopt the technical design of split direct-reading IC-card/CPU card flowmeter, it will be appreciated by those skilled in the art that the present invention also can adopt calculating instrument and the synthetic integrated IC-card flowmeter of IC-card/CPU card circuit.
In integrated IC-card/CPU card flowmeter, IC-card/CPU card control device circuit and display unit partly synthesized in the calculating instrument of flowmeter, demonstrate related data at flowmeter calculating instrument display screen.
Integrated IC-card/CPU card flowmeter structurally removes and shows that one is external, and other 26S Proteasome Structure and Function and split direct-reading IC-card/CPU card flowmeter are basic identical.In other words, other function items, the expansion interface of integrated IC-card/CPU card flowmeter are identical with split type IC-card/CPU card flowmeter, the related data information of metering can realize real-time processing, and physical construction is slightly different with split type IC-card/CPU card flowmeter.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (8)
1. split direct-reading IC-card/CPU card flowmeter is made of IC-card/CPU card control device and flowmeter, and described flowmeter disposes calculating instrument;
Communicate by digital communi-cations link between described IC-card/CPU card control device and the described flowmeter, directly read the interior cumulative flow value of flowmeter and the work state information of flowmeter, and the consistance of the metering and billing numerical value of dependable flow meter and IC-card/CPU card control device;
It is characterized in that: described IC-card/CPU card control device is finished metering and billing and operational management and control function according to described cumulative flow value, work state information;
Data communication is synchronously the regular method of synchronization or the real-time method of synchronization between described flowmeter and IC-card/CPU card control device;
The working power of the communication unit of described calculating instrument is by IC-card/CPU card control unit feeding, and the working power that IC-card/CPU card control device provides provides intermittence power supply or power supply in real time according to the demand of data transmission;
Management and control can be judged and implement to described IC-card/CPU card control device during to the calculating instrument integrated flux data generation saltus step of flowmeter.
2. split direct-reading IC-card according to claim 1/CPU card flowmeter is characterized in that: described digital communi-cations link is RS485 industrial bus or RS232 industrial bus.
3. split direct-reading IC-card according to claim 1/CPU card flowmeter, it is characterized in that: described flow is counted measuring instrument No. one time, measure the medium volume metering, and pass through the calculating instrument communication unit that disposed and come transmission of digital signals with full duplex RS485 or RS232 industrial bus interface with based on the industrial automation network standard of Modbus agreement.
4. split direct-reading IC-card according to claim 1/CPU card flowmeter, it is characterized in that: described IC-card/CPU card control device is a secondary instrument, be the control module of realizing metering and billing, working state administration function, initiatively read the cumulative flow value of flowmeter and the work state information of flowmeter by full duplex RS485 or RS232 Interface for digital communication and based on the industrial automation network standard of Modbus agreement.
5. split direct-reading IC-card according to claim 1/CPU card flowmeter is characterized in that: described IC-card/CPU card control device expansion has remote data transmission unit or interface.
6. split direct-reading IC-card according to claim 5/CPU card flowmeter is characterized in that: described remote data transmission unit or interface are connected with IC-card/CPU card table background management system.
7. split direct-reading IC-card according to claim 6/CPU card flowmeter is characterized in that: described IC-card/CPU card table background management system also comprises the remote monitoring function module.
8. split direct-reading IC-card according to claim 1/CPU card flowmeter is characterized in that: described work state information comprises at least one in temperature, pressure, instantaneous delivery and/or the low-voltage dead electricity pressure information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102335849A CN101937594B (en) | 2009-12-17 | 2010-07-22 | Split direct-reading type IC (Integrated Circuit) card/CPU (Central Processing Unit) card flow meter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910243318 | 2009-12-17 | ||
| CN200910243318.1 | 2009-12-17 | ||
| CN2010102335849A CN101937594B (en) | 2009-12-17 | 2010-07-22 | Split direct-reading type IC (Integrated Circuit) card/CPU (Central Processing Unit) card flow meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101937594A CN101937594A (en) | 2011-01-05 |
| CN101937594B true CN101937594B (en) | 2011-12-07 |
Family
ID=43390906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102335849A Expired - Fee Related CN101937594B (en) | 2009-12-17 | 2010-07-22 | Split direct-reading type IC (Integrated Circuit) card/CPU (Central Processing Unit) card flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101937594B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097585A (en) * | 2016-06-15 | 2016-11-09 | 信东仪器仪表（苏州）有限公司 | A kind of IC-card controller charging method and instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670489A (en) * | 2005-04-11 | 2005-09-21 | 西安华丰投资发展有限公司 | IC card intelligent gas meter |
| CN1737867A (en) * | 2005-06-22 | 2006-02-22 | 南京师范大学 | Heat supply monitoring apparatus based on general packet wireless service technology |
| CN201015047Y (en) * | 2006-12-19 | 2008-01-30 | 北京握奇数据系统有限公司 | Split type RF CPU card meter controller |
| WO2008081908A1 (en) * | 2006-12-28 | 2008-07-10 | Panasonic Corporation | Flowmeter and gas supply system |
| CN101349900A (en) * | 2008-08-12 | 2009-01-21 | 潘洪源 | Gas large user terminal observe and control system and method based on wireless sensor network |
-
2010
- 2010-07-22 CN CN2010102335849A patent/CN101937594B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670489A (en) * | 2005-04-11 | 2005-09-21 | 西安华丰投资发展有限公司 | IC card intelligent gas meter |
| CN1737867A (en) * | 2005-06-22 | 2006-02-22 | 南京师范大学 | Heat supply monitoring apparatus based on general packet wireless service technology |
| CN201015047Y (en) * | 2006-12-19 | 2008-01-30 | 北京握奇数据系统有限公司 | Split type RF CPU card meter controller |
| WO2008081908A1 (en) * | 2006-12-28 | 2008-07-10 | Panasonic Corporation | Flowmeter and gas supply system |
| CN101349900A (en) * | 2008-08-12 | 2009-01-21 | 潘洪源 | Gas large user terminal observe and control system and method based on wireless sensor network |
Non-Patent Citations (1)
| Title |
|---|
| 马燕.高可靠高精度流量计量控制系统.《工业计量》.2005,81-85. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101937594A (en) | 2011-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5664202A (en) | Intelligent power consumption monitoring and control system | |
| US8370092B2 (en) | Method of timing demand and time-of-use functionality with external clock source | |
| CN202076846U (en) | Electro-information management system with vicious load identifying function as well as multifunctional ammeter | |
| CN102013731B (en) | Energy consumption management method | |
| CN112085938B (en) | Single-line heating supply network monitoring and metering system of power plant | |
| JP2003315134A (en) | Gas meter information system, used resource amount information system, and additional function unit used therefor | |
| CN201576047U (en) | Statistical voltage monitoring instrument | |
| CN112286126A (en) | Multifunctional heat supply network remote monitoring system | |
| CN201697963U (en) | Voltage monitoring management terminal | |
| CN101937594B (en) | Split direct-reading type IC (Integrated Circuit) card/CPU (Central Processing Unit) card flow meter | |
| KR100850638B1 (en) | Measuring meter system with wireless remote meter reading function | |
| CN201548279U (en) | Low power consumption flow rate and pressure real-time monitoring system | |
| CN101976479B (en) | Remote control intelligent card (IC) gas meter | |
| CN108931344A (en) | A kind of water supply line leakage loss table end intelligent wireless remote transmission warning device and its implementation | |
| GB2302952A (en) | Electrical power consumption control and evaluation system | |
| CN103018697A (en) | Full-functional multiple-meter-position checking device for voltage monitors | |
| CN211346929U (en) | Automatic flow compensation water meter | |
| CN210638756U (en) | Gas volume correction instrument | |
| CN111491011A (en) | Gas meter data storage method, gas meter anti-death method and gas meter system | |
| KR100637627B1 (en) | Both transformer power load monitoring and watt meter reading remote control system | |
| CN112614323B (en) | Electric energy meter with intranet switches function | |
| CN201340438Y (en) | Electric energy meter box for automatically detecting operation exception of electric energy meter | |
| CN113240332B (en) | Operation management method and device for power distribution system | |
| Yuan et al. | Intelligent monitoring and control system and control method of intelligent water meter | |
| CN211697970U (en) | Environment monitoring meter-dividing electricity-metering terminal with high reliability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20111207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |