CN2421622Y - One card controller for water, gas and electricity meters - Google Patents
One card controller for water, gas and electricity meters Download PDFInfo
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- CN2421622Y CN2421622Y CN 00233108 CN00233108U CN2421622Y CN 2421622 Y CN2421622 Y CN 2421622Y CN 00233108 CN00233108 CN 00233108 CN 00233108 U CN00233108 U CN 00233108U CN 2421622 Y CN2421622 Y CN 2421622Y
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Abstract
The utility model relates to an automatic controller, particularly an automatic charging controller with the functions of one card shared by three meters for water, gas and electricity and restricting the use of electricity for owed charge. The automatic controller is composed of magnetic steel and reed pipes arranged on word wheels of a water meter and a gas meter, a low-pass filter circuit, a microprocessor, an LCD module, an IC card, an IC card holder, a magnetic latching relay, a power circuit, a backup battery, and a power failure detecting and commutating circuit. The controller realizes the functions of one card shared by the meters for water, gas and electricity and restricting the use of electricity in owed charge, and has the advantages of low power consumption, high integrity, low cost, etc.
Description
The utility model relates to a kind of self-actuated controller, automatic charging, the arrearage that particularly the relates to a kind of water, gas and electricity three tables one card controller of rationing the power supply.
Water, gas and electricity charging self-actuated controller towards the administration departments exploitation has a variety of in the market, but neither compatibility between each card table of water, gas and electricity, adopt the administration departments of this device need purchase three cover charging administration systems simultaneously, and provide three kinds of consumption cards to the user, be water card, combustion gas card and electricity card, like this, promptly increase the initial investment expense and the operational and administrative expenses of applying unit, brought very big inconvenience to the user again; In addition, the magnetic maintaining valve that gas meter, flow meter arrearage limit gas uses, it is relatively large to consume energy, higher to the capacity requirement of backup battery; The water meter arrearage pressure control valve cost that uses of restricting water supply is higher, and to the water quality requirement strictness, when water quality was slightly poor, the life-span and the reliability of valve greatly reduced, and greatly affect product quality; The general power consumption of existing water, gas and electricity charging self-actuated controller is bigger, has shortened the life-span of backup battery, thereby has reduced the mission life of controller, and therefore, the power consumption of controller is needed reduction badly.
The utility model purpose is to overcome the shortcoming of above-mentioned prior art, a kind of water, gas and electricity three table one card controllers are provided, can realize the automatic gauge and the pre paid functionality of water, gas and electricity consumption three item number certificates, and can realize the function that arrearage is rationed the power supply, and the little power consumption design of circuit, integrated level height, cost are low.
Water, gas and electricity three table one card controllers of the present utility model comprise the reed capsule that need be installed on water meter and the gas meter, flow meter and magnet steel, low-pass filter circuit, microprocessor, LCD MODULE, IC-card and IC-card deck, optocoupler, magnetic latching relay, power circuit, backup battery, power supply power-fail detect and commutation circuit is formed.
Water, gas and electricity three table one card controllers of the present utility model also can comprise the warning circuit of notifying the user to pay dues when arrearage.
Normal water, electricity consumption, when using gas, the pulse signal that the electronic single-phase watt-hour meter is directly exported reaches by the pulse signal of reed capsule output and deliver to microprocessor after low-pass filter elimination high frequency interference, microprocessor is gathered, counts, is stored the water, electricity, gas pulse of input respectively, and will purchase the expense remaining sum and show by LCD MODULE; IC-card is by bi-directional transfer of data between IC-card deck and the little processing, and microprocessor is accepted IC-card and purchased charge information on the one hand, again the count information of the various tables in the data-carrier store in the microprocessor is passed to IC-card at any time on the other hand.
Have under the electric situation, this controller is powered by power circuit, power circuit with 220V alternating current transformation, rectification, voltage stabilizing after output 5V direct current.When having a power failure, commutation circuit switches to backup battery with power supply by power circuit automatically, still can normally count the consumption of water, combustion gas when guaranteeing to have a power failure; After the power supply power-fail testing circuit detected power down information, microprocessor entered the vacant working mode, and LCD MODULE is closed simultaneously, the low-power consumption requirement when being powered by backup battery with assurance The whole control circuit.
Whether microprocessor sends control signal by optocoupler to magnetic latching relay according to subscriber arrearage, thereby the shutoff and the connection of control civil power reach arrearage and ration the power supply, pay the fees to the purpose of electricity.
The beneficial effects of the utility model are: at first, this controller integrates by the common part with IC-card water meter, IC-card gas meter, flow meter, IC-card ammeter, carry out centralized measure, charge, realize three table one card functions, administration departments only need be purchased a cover charging administration system, reduced the initial investment expense and the operational and administrative expenses of applying unit,, brought great convenience for estate management and user as long as the user holds the pre-paying function that a consumption card just can be realized water, gas and electricity simultaneously; Secondly, this controller does not use the magnetic maintaining valve of limit gas and the pressure control valve of restricting water supply, and when arrearage, cuts off user's power supply by the shutoff of magnetic latching relay, reaches the purpose of reminding the user to pay dues by rationing the power supply, thereby has improved security, has reduced cost; In addition, this controller complete machine adopts little power consumption design, makes backup battery can keep uninterrupted power supply 5~7 years, has prolonged the serviceable life of backup battery, thereby has guaranteed the mission life of controller.
In sum, water, gas and electricity three table one card controllers described in the utility model have a card control, low-power consumption, arrearage is rationed the power supply and low cost and other advantages.
Fig. 1 is the utility model entire system structured flowchart;
Fig. 2 is the utility model circuit system schematic diagram;
Fig. 3 is the reed capsule fundamental diagram;
Fig. 4 is the catenation principle figure of magnetic latching relay and civil power, family electricity.
Be example with A, B two families one machine below, in conjunction with the accompanying drawings the utility model-water, gas and electricity three table one card controllers be described in further detail:
For with water, the conversion of signals of combustion gas becomes pulse signal, on the character wheel 3 of water meter and gas meter, flow meter, install magnet steel 2 additional as shown in Figure 3, reed capsule 1 is installed in the top of water meter and gas meter, flow meter, when normal water, when using gas, character wheel in water meter and the gas meter, flow meter rotates, the drive magnet steel rotates, when magnet steel below reed capsule through out-of-date, make reed capsule contact 4 closures, when magnet steel during away from reed capsule, reed capsule disconnects, be that character wheel rotates a week, the contact folding of reed capsule once, thereby with water, the combustion gas conversion of signals is that electric pulse exports low-pass filter circuit to, and described reed capsule is the normally opened contact type.Ammeter adopts unidirectional electron watt-hour meter.
Referring to Fig. 2, water meter, gas meter, flow meter, watt-hour meter pulse signal filter the laggard microprocessor IC2 of going into of high-frequency interferencing signal (PIC16C57) through low-pass filter circuit J9, and wherein SHG is reed capsule shown in Figure 3 (HYR1002).The water, gas and electricity signal at A family is respectively AS, AQ, AD, and B family water, gas and electricity signal is respectively BS, BQ, BD, successively the RC2 of input microprocessor, RC0, RB6, RB5, RC1, RB7 pin; Microprocessor is counted processing respectively to two families, 6 road electric impulse signals of input, calculate the expense of the purchasing remaining sum of each household, LCD MODULE J8 (LCM103) by ten eight sections mixed decimal points shows, preceding 5 expense of purchasing remaining sums that show the A family, 5 expense of the purchasing remaining sums that show the B family in back, the information of 5 demonstrations are respectively symbol, kilobit, hundred, ten, individual position from left to right, and unit is a unit, the information of diagonal angle, branch participates in counting and charges in microprocessor, and does not show its concrete numerical value.
This controller adopts power circuit J5 power supply, and power circuit is that the master constitutes by transformer TRAN1, rectifier bridge D8 and regulator block W1, will export the direct current of 5V after 220V alternating current transformation, rectification, the voltage stabilizing.When having a power failure naturally, after the RC4 pin of microprocessor IC2 (PIC16C57) detected power-off signal, microprocessor entered the vacant working mode, and LCD MODULE J8 closes.Magnetic latching relay contact J1, J2 are still closed, and the level of the pin 3 of regulator block W1 (7805) is by high step-down, and diode D1 ends, and diode D2 conducting is powered by backup battery; After restoring electricity, the D1 conducting, D2 ends, and controller automatically switches to the power circuit power supply by commutation circuit (D1, D2).
The RB1 or the RB4 pin of microprocessor are output as low level when the arrearage of a certain family, RB2 or RB4 pin output high level, (IC3, IC4 corresponding A family after photoelectrical coupler IC3, IC4 or IC5, IC6 isolation amplification, the corresponding B of IC5, IC6 family), the coil losing electricity of magnetic latching relay (HF8509-1-009S), make contact J1 or J2 disconnect (corresponding A and B family respectively), cut off user's power supply, the realization arrearage is rationed the power supply.
After IC-card is purchased expense, insert in the deck, microprocessor reads information in the IC-card, to purchase the expense amount of money and the addition of amount owed tape symbol, for just, then the RB1 of microprocessor, RB4 pin are output as high level, RB2, RB4 pin output low level as value, after photoelectrical coupler IC3, IC4, IC5, IC6 isolate amplification, the coil of magnetic latching relay gets electric, makes contact J1 or J2 closure, thereby recovers the custom power supply; For negative, controller still keeps the duty of rationing the power supply as value.
Backup battery is selected the ER14505 lithium thionyl chloride cell for use, and rated voltage is 3.6V, and rated capacity is 1600mAh, and the standard discharge current is 10mA, and maximum discharge current is 200mA.Sustainable power supply 5-7 when discharge current is 25 μ A.
After by commutation circuit the power supply of microprocessor being switched to backup battery by power circuit, in the time of still guaranteeing to have a power failure the consumption of water, combustion gas is normally counted, close LCD MODULE this moment, no longer show and purchase the expense remaining sum, the requirement of low-power consumption when powering by backup battery with the assurance entire circuit.
For reminding the user in time to pay the fees, microprocessor RC6 pin output high level makes amplifier N1 (9013) conducting when arrearage, and hummer B3 sends alerting signal thereupon.
IC-card (ATMEL2401) is by bi-directional transfer of data between IC-card deck J6 and the microprocessor, one side will purchase Fei E and user related information imports microprocessor into, and microprocessor reads in the water, gas and electricity count information and the expense remaining sum of purchasing in the data-carrier store in the IC-card again on the other hand.The IC-card deck is a plug-in type printed panel slot.The user gets data in the IC-card by the intelligent management of administration departments is machine-readable, can be to oneself consumption subitem inquiry of water, gas and electricity, and energy sector also can be with this foundation as charge.
With A family water consumption is example, if corresponding 0.1 ton of water of each pulse equivalency, the unit price of 1 ton of water of every consumption is a yuan, so when the RC2 pin of microprocessor IC2 is changed once to low level by high level, then equivalents adds 1, when equivalent numerical value is 10, deduct 1 yuan from the Fei Ezhong that purchases at A family, the detection of consumption gas, power consumption is identical with it with method of counting.
For the mission life that prolongs controller to improve reliability, this controller adopts little power consumption design: at first, microprocessor adopts the vacant working pattern, when supply voltage is 3.6V, during oscillation frequency 32KHZ, its exemplary operation current value is less than 15 μ A.Make controller in the design only when coming count pulse, just make cpu reset, after data are gathered, handle, show, are stored, go back to the vacant working pattern immediately, like this, except that early, middle and late power consumption peak period, the microprocessor most time is in the vacant working pattern, has guaranteed little power consumption requirement of entire circuit; Secondly, in the forward path design, adopt the signal transmitting device of reed capsule, compare the power consumption that greatly reduces forward path with Hall element as water meter, gas meter, flow meter; Once more,, adopt magnetic latching relay, like this, send the pulse steering order when rationing the power supply, substantially no longer need power consumption at backward channel; In addition, enable backup battery after, close liquid crystal display, also can further reduce power consumption.In a word, owing to taked a large amount of low-power consumption measures in each side such as microprocessor work pattern, forward path, backward channel and man-machine passages, making complete machine working current representative value when static state is 25 μ A, and dynamically the time, be 450 μ A, under this power consumption, foregoing backup battery satisfies the actual requirement in market sustainable power supply of when outage 5~7 years.
In sum, these water, gas and electricity three table one card controllers are made up of microprocessor and peripheral interface circuit, adopt little power consumption design, and peripheral interface circuit comprises forward path, backward channel, man-machine passage, power supply and inside and outside exchanges data unit.
Described forward path is by the electronic single-phase watt-hour meter and installed the remote transmitting water meter of reed capsule, the signal read circuits that remote transmitting gas meter is formed additional.
Described backward channel is made of photoelectrical coupler, magnetic latching relay, warning circuit, realizes arrearage outage, warning function.
Described man-machine passage is made of LCD MODULE, is used for showing purchasing the expense remaining sum.
Described inside and outside exchanges data unit comprises microprocessor (comprising inner 80 unit R AM, 2K ROM), IC-card, IC-card deck, can be by bi-directional data between IC-card and the microprocessor.
When the unit price of water, gas and electricity changed, the intelligent management machine can be made amendment to the correlation unit of microprocessor IC2 storage inside water, gas and electricity unit price by control card.
This controller cooperates host computer (intelligent management machine) to use, and is the media of transmission information with the IC-card, can realize prepaid, tabulates, checks meter, functions such as printing, form.
In addition, because this controller adopts Structured Design, when hot water gauge or hotlist were used in the sub-district, native system can expand easily made it the four table systems that are suitable for, and can be extended for the controller product of many families one machine as required.
Claims (5)
1, a kind of water, gas and electricity three table one card controllers is characterized in that: comprise the magnet steel and reed capsule, low-pass filter circuit, microprocessor, LCD MODULE, IC-card and IC-card deck, optocoupler, magnetic latching relay, power circuit, backup battery, power supply power-fail detection and the commutation circuit composition that are installed on water meter and the gas meter, flow meter character wheel; When water, usefulness gas, electricity consumption, the pulse signal that the electronic single-phase watt-hour meter is directly exported reaches by water, the gas pulse signal of reed capsule output and delivers to microprocessor through low-pass filter, microprocessor is gathered, is counted the water, electricity, gas pulse of input respectively, and will purchase the expense remaining sum and show by LCD MODULE; During arrearage, microprocessor sends control command and reach magnetic latching relay, the disconnect user power supply after light-coupled isolation is amplified; During power failure, the power supply power-fail testing circuit detects power down information, and switching to backup battery by commutation circuit is the controller power supply, and microprocessor is in the vacant working pattern, and LCD is closed; IC-card carries out bidirectional data transfers by deck and microprocessor.
2, a kind of water, gas and electricity three table one card controllers as claimed in claim 1 is characterized in that, described microprocessor is a PIC16C57A type processor.
3, a kind of water, gas and electricity three table one card controllers as claimed in claim 1 or 2, it is characterized in that: described backup battery is the ER14505 lithium thionyl chloride cell, rated voltage is 3.6V.
4, water, gas and electricity three table one card controllers as claimed in claim 1 or 2 is characterized in that: also include the warning circuit of being made up of amplifier, hummer.
5, water, gas and electricity three table one card controllers as claimed in claim 3 is characterized in that: also include the warning circuit of being made up of amplifier, hummer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 00233108 CN2421622Y (en) | 2000-05-07 | 2000-05-07 | One card controller for water, gas and electricity meters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00233108 CN2421622Y (en) | 2000-05-07 | 2000-05-07 | One card controller for water, gas and electricity meters |
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CN2421622Y true CN2421622Y (en) | 2001-02-28 |
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Family Applications (1)
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CN 00233108 Expired - Fee Related CN2421622Y (en) | 2000-05-07 | 2000-05-07 | One card controller for water, gas and electricity meters |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009049499A1 (en) * | 2007-10-17 | 2009-04-23 | Jiasheng Wan | A modular electronic energy meter |
CN102012680A (en) * | 2010-12-20 | 2011-04-13 | 安徽南瑞中天电力电子有限公司 | Programmed switch |
CN1912548B (en) * | 2005-08-11 | 2011-08-17 | 北京握奇数据***有限公司 | Intelligent meter with multiple metering mode and its metering method |
CN102620790A (en) * | 2012-03-21 | 2012-08-01 | 山东潍微科技股份有限公司 | Counting device for controlling turn-on and turn-off of singlechip by using sensing signal |
CN104502695A (en) * | 2014-12-29 | 2015-04-08 | 李银龙 | Zero power consumption energy meter read by radio frequency |
CN105444824A (en) * | 2015-11-26 | 2016-03-30 | 成都聚汇才科技有限公司 | Intelligent electronic water meter control system based on three-terminal signal amplification circuit |
CN105486372A (en) * | 2015-11-26 | 2016-04-13 | 成都聚汇才科技有限公司 | Intelligent electronic water meter control system based on drive logic gate protection circuit |
CN105509821A (en) * | 2015-11-26 | 2016-04-20 | 成都聚汇才科技有限公司 | Intelligent electronic water meter control system based on voltage-stabilization type logic gate protection circuit |
CN105509820A (en) * | 2015-11-26 | 2016-04-20 | 成都聚汇才科技有限公司 | Intelligent electronic meter control system based on trilinear buffer driving circuit |
CN107515031A (en) * | 2017-07-14 | 2017-12-26 | 杭州浩派仪表科技有限公司 | A kind of device and method thereof for recording hydroscope load curve |
CN108154664A (en) * | 2016-12-05 | 2018-06-12 | 防城港市港口区天平电子科技有限公司 | A kind of intelligent water ammeter manages system |
CN110488623A (en) * | 2019-08-16 | 2019-11-22 | 申世杰 | A kind of intelligent appliance shared system and method, information data processing terminal |
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2000
- 2000-05-07 CN CN 00233108 patent/CN2421622Y/en not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1912548B (en) * | 2005-08-11 | 2011-08-17 | 北京握奇数据***有限公司 | Intelligent meter with multiple metering mode and its metering method |
WO2009049499A1 (en) * | 2007-10-17 | 2009-04-23 | Jiasheng Wan | A modular electronic energy meter |
CN102012680A (en) * | 2010-12-20 | 2011-04-13 | 安徽南瑞中天电力电子有限公司 | Programmed switch |
CN102012680B (en) * | 2010-12-20 | 2012-11-07 | 安徽南瑞中天电力电子有限公司 | Programmed switch |
CN102620790A (en) * | 2012-03-21 | 2012-08-01 | 山东潍微科技股份有限公司 | Counting device for controlling turn-on and turn-off of singlechip by using sensing signal |
CN104502695B (en) * | 2014-12-29 | 2015-07-01 | 东北石油大学 | Zero power consumption energy meter read by radio frequency |
CN104502695A (en) * | 2014-12-29 | 2015-04-08 | 李银龙 | Zero power consumption energy meter read by radio frequency |
CN105444824A (en) * | 2015-11-26 | 2016-03-30 | 成都聚汇才科技有限公司 | Intelligent electronic water meter control system based on three-terminal signal amplification circuit |
CN105486372A (en) * | 2015-11-26 | 2016-04-13 | 成都聚汇才科技有限公司 | Intelligent electronic water meter control system based on drive logic gate protection circuit |
CN105509821A (en) * | 2015-11-26 | 2016-04-20 | 成都聚汇才科技有限公司 | Intelligent electronic water meter control system based on voltage-stabilization type logic gate protection circuit |
CN105509820A (en) * | 2015-11-26 | 2016-04-20 | 成都聚汇才科技有限公司 | Intelligent electronic meter control system based on trilinear buffer driving circuit |
CN108154664A (en) * | 2016-12-05 | 2018-06-12 | 防城港市港口区天平电子科技有限公司 | A kind of intelligent water ammeter manages system |
CN107515031A (en) * | 2017-07-14 | 2017-12-26 | 杭州浩派仪表科技有限公司 | A kind of device and method thereof for recording hydroscope load curve |
CN110488623A (en) * | 2019-08-16 | 2019-11-22 | 申世杰 | A kind of intelligent appliance shared system and method, information data processing terminal |
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