CN2266125Y - IC card prepayment gas meter - Google Patents
IC card prepayment gas meter Download PDFInfo
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- CN2266125Y CN2266125Y CN 96213458 CN96213458U CN2266125Y CN 2266125 Y CN2266125 Y CN 2266125Y CN 96213458 CN96213458 CN 96213458 CN 96213458 U CN96213458 U CN 96213458U CN 2266125 Y CN2266125 Y CN 2266125Y
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- gas meter
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Abstract
The utility model relates to an IC card prepayment gas meter, belonging to an electromechanically integrated device for metering, measuring and controlling. The gas meter is composed of a base meter, a measuring and controlling unit, wherein, the base meter is composed of a common gas meter and a flow data acquisition unit; the measuring and controlling unit is composed of an IC card, a peripheral input circuit, a power supply battery, a backup battery, a power supply management circuit, an output driving circuit, a display alarm circuit, an electric valve, a microcomputer, etc., and the components are electrically connected with each other. The utility model has the advantages of compact structure, low price and wide purpose. The utility model can be used for measuring gas consumption and implementing the quota management of gas, and can realize multiple functions of prepayment, etc., being an ideal device for improving work efficiency, accelerating capital feedback and scientific management in gas management departments.
Description
The utility model-IC-card prepayment diaphragm gas meter belongs to electromechanical integration metering measure and control device.
In the prior art, the general gas table is a kind of simple measuring apparatus, does not have control function.The mode that the record of gas quantity adopts the workman regularly to make a copy of is usually added up, the gas company person of checking meter is in a large number checked meter home-by-home, workload is big, it is time-consuming to require great effort, the situation of being in arrears with gas expense is very serious, and the ordinarily resident also need hold to pay dues and singly goes gas company queuing to pay dues in every month, thereby very inconvenient.
The purpose of this utility model is exactly in order to overcome the problem that the general gas table exists, utilize present information medium IC-card, to carrying out measuring control with gas, for after the new mechanism of the back usefulness gas of implementing to pay dues earlier provides a kind of novel IC-card prepayment diaphragm gas meter at first the user loads onto gas meter, flow meter, promptly open an account to pay dues and purchase gas to gas company, gas company writes tolerance that the user purchases and meets at the user in the IC-card, to block after the user holds and insert in the controller, controller is then opened gas circuit, the user begins to use gas, when reaching predetermined gas consumption, controller sends sound and light alarm and points out the user to purchase gas.After purchasing tolerance used up, controller was then closed gas circuit automatically.This novel IC-card prepayment diaphragm gas meter not only can be saved great amount of manpower and material resources, but also can increase work efficiency, and quickens the backflow and the management of gas expense, has also avoided the trouble of checking meter from door to door and bringing simultaneously.
The utility model is realized by following technical proposals: the IC-card prepayment diaphragm gas meter, it mainly is made of base table (1), controller (26) two large divisions.Wherein, base table (1) adopts the general gas meter of national standard, and serial connection is installed the motorized valve (8) of may command combustion gas circulation on draft tube, and on the demonstration character wheel of gas meter, flow meter a small magnet piece and tongue tube with matching is installed, every counting 1M
3Combustion gas, tongue tube be adhesive once, then contact signal enters controller (26) and as one of foundation of measuring control.Controller (26) is a core with micro computer (2), is electric connection each other.IC-card (4), function key external signals such as (3) link through peripheral input circuit (5) and micro computer (2), and micro computer (2) by output driving circuit (6), drives motorized valve (8) and Display and Alarm Circuit (7) by behind the analyzing and processing external input signal; By electric power management circuit (11), micro computer (2) supplying cell (9), backup battery (10) are managed, not only can make controller (26) be in little power consumption state, and tilt in electric energy deficiency, gas meter, illegally open controller (26) and take away under the situation of supplying cell (9), all can enable backup battery (10) reports to the police reliably, and close motorized valve (8), effectively prevent gas steathily.The electric connecting mode of IC-card prepayment diaphragm gas meter such as accompanying drawing 1, its principle of work is:
After this table is installed, the user handles account opening procedure to gas company, get IC-card and pay dues and purchase gas, gas company with card number, table number, user number, password, purchase information such as tolerance and write in the IC-card, after the user holds IC-card is inserted in the controller (26), controller (26) is opened motorized valve (8) automatically, gas circuit is open-minded, presses function key (3), normal pilot lamp flicker, hummer shouts a shout, and the prompting duty is normal.If the electric energy deficiency then can not be opened motorized valve (8), warning circuit (7) is then pointed out and is changed battery.If have residual air in the IC-card gas meter, flow meter, then newly purchase tolerance and will add up automatically with residual air in the table, the user whenever uses up 1M
3Combustion gas, the sensor in the base table (1) just provides a contact signal, and the tolerance remaining sum in the controller (26) will subtract 1 automatically, when the tolerance remaining sum is reduced to 8M
3During the left and right sides, controller (26) is reported to the police for the first time, purchases the gas pilot lamp and reminds the user in time to purchase gas.When the tolerance remaining sum is reduced to 4M
3During the left and right sides, controller (26) is reported to the police for the second time, and closes motorized valve (8) automatically, and gas circuit stops air feed.The last 4M of emergent use
3During left and right sides residual air, the user can press function key (3), and controller (26) will open gas circuit once more automatically and gas is purchased in prompting simultaneously, and behind disposable gas, controller (26) is then closed gas circuit automatically and pointed out stopped status.Which kind of state no matter, as long as the electric energy deficiency of battery, controller (26) all will be closed gas circuit.If the user wants to understand the remaining sum of tolerance, long by function key (3) (greater than 2 seconds), the number of times of each status indicator lamp flicker is then represented the remaining sum number of tolerance.Wherein, normal pilot lamp is represented kilobit, and the pilot lamp of paying dues is represented hundred, and halt indicator is represented ten, changes a Battery Indicator Light representative position.For example: the tolerance remaining sum is 1235M
3, then the kilobit flicker is 1 time, and hundred glimmer 2 times, and ten glimmer 3 times, individual position flicker 5 times, order is from a high position to the low level.Gas company will be understood the tolerance remaining sum, purchases information such as gas number of times, only needs a control card is inserted in the controller (26), and all information except that password will write in the control card automatically, check the monitoring means of suspicious user as gas company.Owing to reasons such as user's resettlements, the user moves back expense at the family that will disappear, the user only needs that IC-card is delivered to gas company and becomes and move back in the expense card back insertion controller (26), controller this moment (26) writes all information of internal memory and moves back the expense card, the tolerance of zero clearing simultaneously remaining sum, close gas circuit, gas company is settled accounts to the user according to the information of moving back Fei Kashang.The user whenever purchases once will block behind the gas and inserts in the controller (26), and controller (26) all adds up automatic remaining sum, revise and purchase the gas number of times, revise password, prevent that illegal card from stealing gas.This IC-card prepayment diaphragm gas meter, a table one card is corresponding one by one in use, and when illegal card inserted, hummer was even named three acoustic alarms.When illegally opening the capping of controller (26), hummer even makes the four tones of standard Chinese pronunciation report to the police, and the internal memory of zero clearing is simultaneously closed gas circuit, and this moment, this table must be undertaken can using after the technical finesse by gas company.
The utility model is compared with existing all kinds of gas meter, flow meters, have the following advantages and beneficial effect: one, the utility model is applied to latest modern technological information carrier IC-card on the gas meter, flow meter, because of IC-card has waterproof, characteristics such as antimagnetic, thereby its metering observing and controlling is accurate, security and reliability height, managerial personnel are home-confined just to carry out scientific management to user's usefulness gas, for the planning management new mechanism of implementing elder generation's charge back usefulness gas has been established hardware foundation, it no longer needs the person of checking meter, and has also removed the person of checking meter bothering the user from; Two, existing common magnetic card or IC-card all adopt special read-write equipment, complex structure, and the price height is difficult to enter average family.The utility model adopts special-purpose IC-card and common connector just can read and write it, and uses as same key, is easy to carry.Since with low cost, help wide popularization and application; Three, the utility model all adopts the self checking algorithm to the read-write of IC-card and internal memory, and behind certain element failure, controller can be counted record automatically and move a unit automatically backward, in the serviceable life of having improved IC-card and internal memory, has reduced use cost; Four, the utility model adopts the low pressure dry cell power supply, and backup battery can be guaranteed reliably closing of motorized valve, has avoided the use Alternating Current Power Supply, and all designs all meet the international standard requirement of explosion proof, and are safe in utilization, and is reliable; Five, controller of the present utility model adopts little power consumption design, and when not having outside input, whole controller is in dormant state, just wakes it up when having only the outside to have input to handle and carries out work; Six, the utlity model has a series of security measures, when whole gas meter is tilted, controller will automatically shut down gas circuit, prevent from illegally to steal gas.When controller is illegally opened, controller will be removed all data of internal memory, and valve-closing, can prevent artificial destructive procedure.When taking down supplying cell, by non-contact detector, controller will be enabled backup battery automatically and close gas circuit, effectively prevent from illegally to steal gas.
Further specify as follows below in conjunction with accompanying drawing to the technical scheme of this practical full mold:
Accompanying drawing 1 is the electric connection block diagram of IC-card prepayment diaphragm gas meter.
Accompanying drawing 2 is the structural drawing of motorized valve (8), the inlet, outlet direction in its air inlet and outgassing direction such as the accompanying drawing 2, and A looks part and is the partial sectional view of motorized valve (8).In accompanying drawing 2, DC speed-reducing group (16) drives eccentric wheel (21) and rotates, under eccentric wheel (21) effect, sliding sash (17) in chute (18), drive valve main shaft (14) and elastic rubber film (12) reciprocating.When moving to minimum point, elastic rubber film (12) is by gas circuit, and valve pass position detector switch this moment (19) provides a contact signal, makes controller (26) stop to drive DC speed-reducing group (16), thereby reaches the purpose of turn-offing gas circuit.When moving to peak, elastic rubber film (12) from the gas outlet farthest, the aperture maximum, gas circuit is unimpeded, valve open position detector switch this moment (22) provides a contact signal, makes controller (26) stop to drive DC speed-reducing group (16), reaches the purpose of opening gas circuit.When gas meter tilts or takes down supplying cell, controller (26) is enabled backup battery (10) and is driven DC speed-reducing group (16) rotation, when valve is in scram position, close valve limit switch (20) and cut off backup battery (10), stop to drive DC speed-reducing group (16), thus the reliable turn-off gas circuit.Adjusting sealed screw (15) can make the appropriateness that is sealed and matched between valve main shaft (14) and the gas circuit, the connection of damping spring (13), elastic rubber film (12) and valve main shaft (14) is a resilient connection, can avoid owing to the inconsistency of closing that may cause in the processing, make the pass valve more reliable.
Accompanying drawing 3 is the electric connection figure of controller (26).In accompanying drawing 3, input signal is introduced micro computer (2) through passive RC network R11～R16, C11, C13, C15, and it becomes pulse with level conversion; Counting input circuit in the base table (1) is made of R15, R16, C15, when counting is effective, and COUNT ground connection, the C15 instantaneous short circuit, output P33 is a low level, charges to C15 by R15 with VCC, P33 becomes high level at last.When counting was invalid, COUNT was unsettled, and C15 is through R15, R16 discharge, for input next time is prepared.All input signals are introduced external power switch circuit R17, Q6 through D2～D6, when not having outside input, D2～D6 is high level just very, and Q6 ends, and turn-offs external power source VDD, when arbitrary input is effective, the a certain just very low level of D2～D6, external power source VDD is connected in the Q6 conducting, central processing unit 89C2051 exports a low level simultaneously, keep the output of VDD, peripheral circuit is started working, and VDD resets for central processing unit U1 through R18, C9, D7.89C2051 is in dormant state when not having input; arbitrary input effectively all will through R18, C9, D7 it is resetted and wake up its work; before IC-card did not insert IC-card seat P1, power vd D and sheet selected ICCS all not to be applied on the P1, thereby effectively protected the memory U4 in the IC-card.Voltage detecting adopts Q11, it is a kind of micro-power device AN051, when voltage is lower than 3.25 volts, output Vout will become low level, and this effective input will wake U1 up, thereby make RUNM, RUNM ' be output as low level, driving DC speed-reducing group (16) and rotate by Q9, Q10, Q8, Q7, and constantly detect close valve state signal SHUTST, is low level up to SHUTST, be that valve has cut out that just to make RUNM, RUNM ' be high level, thus the gas circuit of closing.If gas meter tilts, mercury cut-off S3 is promptly closed, and then backup battery (10) directly drives DC speed-reducing group (16), when motorized valve (8) arrives scram position, closes the valve limit switch and cuts off back-up source VI automatically, makes motorized valve (8) reliable turn-off.If the tolerance remaining sum is greater than zero, this moment, motorized valve (8) was opened earlier by function key (3), shut again at last, and only when gas meter recovered the normal position, by function key (3), motorized valve (8) just can be opened.If take down supplying cell, then U1 power down, RUNM ' is a low level, Q9, Q10 conducting, connect backup battery (10) and drive DC speed-reducing group (16), close up to valve and have no progeny, just cut off back-up source VI by closing the valve limit switch, make the valve reliable turn-off, load onto battery after, the U1 electrification reset.If the power supply electric energy is enough, the tolerance remaining sum is greater than zero, and it is low that RUNM is output as, and drives motorized valve (8), detect simultaneously and open valve status signal OPENST, and be low up to OPENST, promptly the opened RUNM that just makes of valve is a high level, reliably opens gas circuit.If open the gas meter capping, switch S 4, S5 closure, back-up source is taken over power supply, and P12 is a low level, wakes U1 work up, and it is low level that U1 detects P12, and then the zero clearing internal memory makes RUNM be output as low level simultaneously, turn-offs gas circuit.Under normal circumstances, backup battery (10) is in charged state always, only just enables when closing motorized valve (8) and uncapping, thereby can reliably guarantee to close finishing of valve.U1 passes through the analyzing and processing to input signal, by out-expander U2, and driving circuit R1～R10, Q1～Q5 driven for emitting lights diode L1～L4 and hummer B1 carry out acousto-optic hint and warning.
Accompanying drawing 4 is the contour structures synoptic diagram of IC-card prepayment gas meter, flow meter.(1) in the accompanying drawing 4 is a base table, (28) be the sensor signal lines pipeline, (25) are air intake opening, and (29) are the gas outlet, (26) be controller, (27) be IC-card socket cover door, (30) are battery cover, and (31) are the display operation district, wherein, A in the display operation district, B, C, D are for showing light emitting diode L1～L4, and E is multifunction push key S2, and its implication is:
* 10
3* 10
2* 10
1* 10
0Show
Normally pay dues to shut down and change battery status
Claims (6)
1, a kind of IC-card prepayment diaphragm gas meter is characterized in that it is made up of base table (1), controller (26) two large divisions, and wherein, base table (1) is made of universal gas gauging table and the data transducer that can measure gas consumption that is installed on its indicated character wheel; Controller (26) is a core with micro computer (2), input channel is made up of IC-card (4), function key (3), peripheral input circuit (5), output channel is made up of output driving circuit (6), motorized valve (8), Display and Alarm Circuit (7), in conjunction with supplying cell (9), backup battery (10), and electric power management circuit (5) etc. forms jointly, and it is coupled to each other relation is to be the electric connection of core with micro computer (2).Wherein, IC-card (4), function key (3), base table (1) are connected on the micro computer (2) by peripheral input circuit (5), micro computer (2) is by output driving circuit (6), drive motorized valve (8) and Display and Alarm Circuit (7), all input channels all adopt passive input circuit, when having only work, just opens the power supply of output channel by micro computer (2), micro computer (2) then is in the power down dormant state when not having input, electric power management circuit (11) makes supplying cell (9) to backup battery (10) charging, and backup battery (10) provides electric current output when closing valve.
2, by the IC-card prepayment diaphragm gas meter shown in the claim 1, it is characterized in that described motorized valve (8) is by valve body (24), elastic rubber film (12), valve main shaft (14), damping spring (13), regulate sealed screw (15), sliding sash (17), chute (18), eccentric wheel (21), DC speed-reducing group (16), state-detection switch (22) left by valve, valve off status detector switch (19), close valve limit switch (20) and control signal joint Terminal compositions such as (23), wherein, DC speed-reducing group (16) drives eccentric wheel (21) and rotates, under eccentric wheel (21) effect, sliding sash (17) drive valve main shaft (14) and elastic rubber film (12) are reciprocating, proportioning valve is driven state-detection switch (22), the duty of valve off status detector switch (19) decision group of motors (16), the kinetic damping of valve main shaft (14) is regulated damping spring (13) by regulating sealed screw (15), elastic rubber film (12), valve main shaft (14) is the resilient connection mode.
3, by the described IC-card prepayment diaphragm gas meter of claim 1, it is characterized in that the IC-card circuit is mounted on the circuit board by pasting chip 93C46 (U4) constitutes, whole card has 16 pins, the input of IC-card is introduced on the micro computer (2) through socket P1, and function key (3) is made of button S2, the end ground connection of S2, the other end is as input, peripheral input circuit (5) adopts passive RC network, is made of R11～R16, C11, C13, C15, and VDD active homing circuit is made of R18, C9, D7.
4, by the described IC-card prepayment diaphragm gas meter of claim 1, it is characterized in that described output driving switch circuit (6) is made of R1～R10, R23, Q1～Q5, Q7, Q8, D9, display element is made of light emitting diode L1～L4, and alarm element is made of hummer B1.
5, by the described IC-card prepayment diaphragm gas meter of claim 1, it is characterized in that described micro computer (2) is made of electrify restoration circuit, oscillatory circuit, central processing unit U1, memory U3, out-expander U2 etc., wherein, electrify restoration circuit is made of R21, C6, D8, and oscillatory circuit is made of C1, C2, CY.
6, by the described IC-card prepayment diaphragm gas meter of claim 1, it is characterized in that described electric power management circuit (11) is by charging circuit, anti-inclination circuit, the anti-circuit of illegally uncapping, contactless valve-closing circuit, external power source VDD on-off circuit, compositions such as electric source monitoring circuit, wherein, charging circuit is made of D1, anti-inclination circuit is by mercury cut-off S3, close valve limit switch (20), backup battery (10) constitutes, prevent illegally uncapping circuit by S4, S5, backup battery (10) constitutes, contactless valve-closing circuit is by backup battery (10), close valve limit switch (20), triode Q9, Q10, resistance R 24 constitutes, and electric source monitoring circuit is made of micro-power device AN051 (Q11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96213458 CN2266125Y (en) | 1996-06-06 | 1996-06-06 | IC card prepayment gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96213458 CN2266125Y (en) | 1996-06-06 | 1996-06-06 | IC card prepayment gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2266125Y true CN2266125Y (en) | 1997-10-29 |
Family
ID=33895783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96213458 Expired - Fee Related CN2266125Y (en) | 1996-06-06 | 1996-06-06 | IC card prepayment gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2266125Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397431C (en) * | 2006-01-25 | 2008-06-25 | 王耀 | Wireless split-type metering device |
| CN107102112A (en) * | 2017-04-08 | 2017-08-29 | 南安市永腾技术咨询有限公司 | A kind of natural gas measuring instrument based on Internet of Things |
-
1996
- 1996-06-06 CN CN 96213458 patent/CN2266125Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397431C (en) * | 2006-01-25 | 2008-06-25 | 王耀 | Wireless split-type metering device |
| CN107102112A (en) * | 2017-04-08 | 2017-08-29 | 南安市永腾技术咨询有限公司 | A kind of natural gas measuring instrument based on Internet of Things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: CHONGQING TIANDI NEW TECHNOLOGY CO. TO: CHONGQING SHENQI SCIENTIFIC AND TECHNICAL INDUSTRY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Jiulongpo Branch Park four road 400041 Chongqing City No. 166 standard factory building 2 floor C Patentee after: Chongqing Air Technology Industrial Co., Ltd. Address before: 630030 No. 147 middle Sha Road, Chongqing, Sichuan, Shapingba Patentee before: Chongqing Tiandi New Technology Co. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |