CN2369220Y - Intellectual water meter - Google Patents
Intellectual water meter Download PDFInfo
- Publication number
- CN2369220Y CN2369220Y CN 99220075 CN99220075U CN2369220Y CN 2369220 Y CN2369220 Y CN 2369220Y CN 99220075 CN99220075 CN 99220075 CN 99220075 U CN99220075 U CN 99220075U CN 2369220 Y CN2369220 Y CN 2369220Y
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- China
- Prior art keywords
- circuit
- card
- card reader
- water meter
- micro
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- 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
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Abstract
The utility model relates to an intellectual water meter. A meter of liquid pipelines is provided with a card reader, and a control circuit. The card reader and the control circuit are electrically connected with control pieces; with inserting into the card reader by an intellectual card, canned data can be writen in the control circuit by reading out from the card reader and encoding. The utility model has the advantages of energy saving, strong security, water quantity pruchasing in advance, automatic monitoring, etc. With adopting technology of dot matrix combination for storage information, a bistable control valve, a dormancy circuit, etc., the utility model solves the problems of high cost for card manufacturing, long time for full charge, no leakage control, etc., and the utility model realizes the purposes of autometer, green energy saving, water consumption tracking, fault alarm, etc. The utility model is a liquid meter matching device which combines agility, applicability, energy saving, and low price into integration.
Description
The utility model relates to the measuring apparatus of fluid flow, more particularly is to be used for liquid such as tap water to utilize microprocessor to carry out the intellectual water meter of flow metering, consumption restriction and prompting, fault alarm and green energy conservation.
Usually liquid meter majorities such as the pipeline tap water known to the people, oil plant are that the manual metering hysteresis is paid the fees, and existing automatic charging technology is gas charging metering, does not also have the automatic gauge billing technology of tap water at present.It is manually to copy the note water meter that traditional tap water charges, charge from door to door after the metering, to the user is to pay dues after the first water, but the charge water supply plant that lags behind increases production cost, also need be equipped with extensive work personnel counting cost by gas meter etc. simultaneously, labour intensity is very big, and the user disperses to be difficult to management and accurately metering, evaporating, emitting, dripping or leaking of liquid or gas is difficult to control, and water supply plant and user have brought inconvenience.Do not satisfy the demand of people to liquid meters such as tap water.
The purpose of this utility model is to provide a kind of deficiency that can overcome prior art, has that reasonable in design, dependable performance, discrimination are thief-proof, the forward purchasing water yield, dormancy are energy-conservation, monitoring voltage, power down protection, the intellectual water meter of characteristics such as monitoring automatically.It has adopted technology such as bistable state operation valve, dormancy energy-saving circuit, pseudo-surreptitiously locking, can select IC-card or IB card or dot matrix combination light-card and data encoding technique etc. for use, realized that use cost is low, strong security, steal leak cut off the water supply, consumption tracking, fault alarm, green energy conservation, be convenient to produce the functions such as statistical study of water unit to user institute water consumption.
Intellectual water meter of the present utility model is that the level meter scale is arranged, card reader, smart card, control circuit, senser element, formations such as execution or control device, it is to be connected to gauging table on fluid pipeline, control piece is housed in the inlet side of gauging table or claims operation valve, card reader is housed in housing, control circuit etc., card reader and control circuit are electrically connected with gauging table and control piece, can leave card reader jack and Signal Monitor on this housing, smart card inserts in the card reader information on the smart card is read through card reader, coding back write control circuit, and drive the control piece work of carrying out.It is that canned data on the smart card is read coding back input control circuit again by card reader, goes to control the metering of water meter, the monitoring and the caution of stealing water, gas leak, consumption; When purchasing the water yield and use a threshold quantity on the smart card of input, then warn the user and purchase the water preparation, when the purchasing the water yield and use above lowest limit of input, then control circuit cuts off the water route and stops to supply water.Usually gauging table refers to level meter scale such as water meter; oil meter or the like; described control circuit is that integrated component is arranged; resolution element; the micro-processor interface circuit that wiring board etc. constituted; energy-conservation dormant circuit; driving circuit; warning circuit; the gas leakage testing circuit; the power down protection circuit; voltage monitoring circuit; write micro-processor interface circuit behind the information coding on the smart card of reading by card reader; with micro-processor interface circuit as central processing unit; respectively with the dormancy energy-saving circuit; driving circuit; warning circuit; the gas leakage testing circuit; the power down protection circuit; voltage monitoring circuit control is electrically connected; power circuit provides working power for it; it is that the information of smart cards for storage is read by card reader; coding back input micro-processor interface circuit; reach the on-off of controlling liquid pipeline through little processing rear drive drive circuit works; also can drive warning circuit work simultaneously; send gas leakage; steal water; the warning of forward purchasing water yield prompting; when down circuitry; the power down protection circuit can carry out locking to the information of storing in micro-processor interface circuit and the Card Reader circuit; prevent loss of data; continue metering when being convenient to start once more; voltage monitoring circuit can realize quantitatively monitoring at interval the supply voltage working condition; has only 10% circuit during this control circuit normality in work; circuit more than 90% is in " dormancy " state; the full load condition working time that also is exactly this circuit is short; therefore; realize green energy conservation, improved battery serviceable life.Described driving circuit be micro-processor interface circuit arranged output terminal successively with this schmitt trigger, resistance, metal-oxide-semiconductor, electromagnetic switch is serially connected on the working power, diode, electric capacity are connected in parallel on electromagnetic switch, metal-oxide-semiconductor two ends respectively, solenoid valve is preferably selected bistable electromagnetic valve for use, and its two ends are electrically connected with control piece with bidirectional electromagnetic valve switching electricity.This magnet that is the on-off electricity by circuit drives in the solenoid valve is done or is moved down, control piece is opened or closed, be used for the controlling liquid pipeline connection with close, metal-oxide-semiconductor is preferably selected the VMOS pipe for use, this driving circuit be with from the signal of micro-processor interface circuit (as gas leakage, steal water, continuous wrong plug card, insert signals such as card) driving bistable electromagnetic valve forward, oppositely energising makes valve open or closes, the work of control bistable electromagnetic valve, realize the monitoring of the water yield, this solenoid valve does not need normality that electric current keeps valve to abnormal conversion during normality, ends the dependence upon electric current after finishing with electric current in the moment of transition status and keeps.When occurring stealing water or changing power supply, control circuit drives closed electromagnetic valve, and this moment, circuit was in full load condition work.When recovering normal condition, control circuit drives solenoid valve and opens, 90% above circuit place dormant state work this moment.Described gas leakage testing circuit can be established in this device also can not establish this part, usually this circuit is that gas sensor, resistance, electric capacity, this schmitt trigger, rejection gate are arranged, perhaps connecing energy-conservation integrated circuit is electrically connected with the input end of micro-processor interface circuit with the micro-processor interface circuit output terminal, its input end is signal such as gas leakage is arranged, to steal water, power supply is changed and dormancy is energy-conservation be connected to the input end of micro-processor interface circuit through logic control, and wherein energy-conservation integrated circuit is preferably selected the Low-Power CMOS integrated circuit for use.When having coal gas, poison gas etc. to leak in the air, the gas sensor action, the testing circuit that then leaks gas is in its dormant circuit is started, and through micro-processor interface circuit, starts warning circuit and sends alarm.Can carry out monitoring alarm when revealing with harmful gases such as water spot generation coal gas like this, protection life safety.When card reader read error card or pseudo-card, drive the closed electromagnetic valve fluid passage on the one hand by micro-processor interface circuit equally, drive warning circuit on the other hand and warn, thereby reached gas leakage, when stealing water, cut off the water supply immediately, warn.Described power down protection circuit is to be made of the electric erazable programmable memory, and its pin is connected with micro-processor interface circuit input, output, positive source and ground respectively.Described voltage monitoring circuit is to have comparer, metal-oxide-semiconductor, resistance, electric capacity to constitute, the metal-oxide-semiconductor grid is connected in series to micro-processor interface circuit, be connected in series the biasing resistor in parallel with comparer between source electrode and the ground, drain electrode is connected with power supply, and comparer is distinguished the perhaps direct ground connection of crosstalk.
Described dormancy energy-saving circuit is that energy-conservation integrated circuit, resistance, electric capacity, this schmitt trigger, diode, comparison amplifier, metal-oxide-semiconductor, voltage stabilizing diode, working power be electrically connected to form liquid meter, gas leakage detects, power supply is changed dormancy power saving unit are arranged.Under the normal condition, the dormancy energy-saving circuit is not worked, and the The whole control circuit only has 10% circuit to carry out work, and the circuit more than 90% is in dormant state.Have only when when leaking air, stealing signal such as water, power supply replacing, entire circuit just moment enter the operation of full load state, handling the back circuit recovers dormant state immediately again, has fundamentally realized green energy conservation.Described warning circuit is to have reverser, resistance, VMOS pipe, audible-visual annunciator to be connected in series successively and to form, and its input end connects the output terminal of micro-processor interface circuit, and its output terminal is connected to audible-visual annunciator.It is with from the gas leakage of micro-processor interface circuit, steal water, pseudo-card, purchase signal such as card prompting and drive audible-visual annunciator work through reverser, realized purchasing card is pointed out, the water yield uses up and leak gas, security warning such as water surreptitiously, also can drive the solenoid valve shuts water route simultaneously.Described metal-oxide-semiconductor is preferably selected the VMOS pipe for use.
Optional IC-card of described smart card or IB card or light-card or magnetic card are preferably selected IC-card or IB card for use.Described card reader is to have card inserting mouth, Card Reader circuit, coding circuit, storage circuit to constitute, its input end inserts card inserting mouth with smart card and be connected to control circuit after Card Reader circuit, coding circuit, storage circuit output, wherein said smart card is as purchasing the water card, can select IC-card or light-card etc. for use, wherein light-card is to utilize dot matrix data splitting coding techniques storage information, purchase the water yield with the hole representative, sell card system random function with computing mechanism and determine to make, thereby greatly reduce the fabrication cost, improved confidentiality.Above-mentioned Card Reader circuit, coding circuit, storage circuit are IC-card or IB card according to the water card of purchasing that uses, and still light-card is determined physical circuit, and when selecting light-card for use usually, the Card Reader circuit is selected light emitting diode and photodiode formation for use.Power switch is connected when intelligent light-card inserts card reader, the Card Reader circuit is started working, the Card Reader synchronizing signal can make Card Reader accurate, data enter micro-processor interface circuit safely and handle, be elected to when using light-card, the user buys certain water yield to water station before water, the computer sale management system is made light-card with random cipher form storage information, the user will block on the card reader of inserting intellectual water meter and discern processing, remove locking water supply start simultaneously with penstock, when the forward purchasing water yield uses up, the acousto-optic hint user in time purchases water or automatic-closing valve stops to supply water, when inserting pseudo-card or wrong card, automatically lock water route and sound and light alarm immediately, unlock and can reuse by managerial personnel, smart card also stores address name, data such as address are carried out statistical study to user's water consumption automatically.
Described working power can select for use direct supply or battery or AC transformation voltage stabilizer or DC-AC two-use auto switching electric source to provide working power for entire circuit.
Described micro-processor interface circuit is that formations such as central processing unit, memory, driver, address latch are arranged, and it is that the information of input is carried out little processing back output control Driver Circuit and warning circuit work.
Description of drawings:
Fig. 1: intellectual water meter structured flowchart Fig. 2: control circuit block diagram
Fig. 3: intellectual water meter working circuit diagram Fig. 4: carry out the control piece fundamental diagram
R-resistance Z-diode S-MOS pipe or triode C-electric capacity A, B, D-current direction
The energy-conservation integrated circuit U3-of U1-Si schmitt trigger U2-comparer U4-reverser
U5-rejection gate U-micro-processor interface circuit B-alarm RL-bistable electromagnetic valve
Further specify structure of the present utility model in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2, be control piece to be housed in level meter scale inlet side, card reader, sensor for countering, execution unit, control circuit, alarm, gas sensor, voltage monitor, power cutoff protector, working power etc. are housed in housing.When sensor for countering or gas sensor or card reader input information, micro-processor interface circuit drives execution unit and is switched on or switched off the water route, the water meter water metering begins or stops, when leaking air fault, gas sensor after gas leakage testing circuit input micro-processor interface circuit is handled, drives warning circuit and drive circuit works with information.As shown in Figure 3: unit such as empty frame partly is the dormancy energy-saving circuit, wherein the dormancy energy-saving circuit has consumption metering, power supply to change, gas leakage detects and dormancy is energy-conservation.I is a driving circuit, and II is a warning circuit, and III is the gas leakage testing circuit, and IV is a voltage monitoring circuit, and V is the power down protection circuit.
As shown in Figure 4: when solenoid valve was switched on, control piece was opened, and current direction is valve open by import to B, D; When solenoid valve cut off the power supply, control piece was closed, current direction by the time mouth close to the self-locking of A valve, realized the control of liquid on-off in the pipeline.
Intellectual water meter of the present utility model has solved for a long time, and liquid such as tap water is difficult to automatic charging, use cost height, circuit operate at full capacity the state time long, leak of liquid is uncontrollable, the no false proof problems such as water warning of stealing, it both can select IC-card or IB card for use, optional again with light-card, magnetic card etc., as purchasing the water card, especially selected light-card is to utilize dot matrix data splitting coding techniques canned data, the combination of this dot matrix utilizes computing machine to make and sell card system random function to determine, therefore its strong security greatly reduces the fabrication cost.The operating circuit Queensland of this device selects the dormancy energy-saving circuit for use, has realized that moment operates at full capacity and power consumption, the function of the green energy conservation of 90% not power consumption of above circuit " dormancy " during normality work; Select for use bistable valve to make control water route valve, utilize micro-processor interface circuit, realized automatic unlatching, monitoring, automatic gauge, fault locking, water tracking, water consumption statistical study automatically, purchase functions such as card prompting, security alarm, be that collection is flexible, practical, energy-conservation, the low ideal liquid metering corollary apparatus for one of valency.
Claims (10)
1. intellectual water meter, it is characterized in that in the inlet side of gauging table control piece being housed, card reader, control circuit being housed in housing, card reader and control circuit are electrically connected with gauging table and control piece, leave card reader jack on this housing, smart card inserts in the card reader, card reader output terminal Access Control circuit, control circuit drive and connect control piece, the write control circuit drive controlling part work after card reader is read, encoded of the information on the smart card.
2. intellectual water meter as claimed in claim 1; it is characterized in that control circuit is that integrated component is arranged; resolution element; the micro-processor interface circuit that wiring board constituted; the dormancy energy-saving circuit; driving circuit; warning circuit; the gas leakage testing circuit; power circuit and power down protection circuit thereof; voltage monitoring circuit; it is that smart card is inserted card reader; card reader output connects micro-processor interface circuit; micro-processor interface circuit respectively with the dormancy energy-saving circuit; driving circuit; warning circuit; the control of gas leakage testing circuit is electrically connected; the power down protection circuit; voltage monitoring circuit connects micro-processor interface circuit respectively, and power circuit provides working power for it.
3. intellectual water meter as claimed in claim 2, it is characterized in that described driving circuit is to have the output terminal of micro-processor interface circuit to be serially connected on the working power with this schmitt trigger, resistance, metal-oxide-semiconductor, electromagnetic switch successively, diode, electric capacity are respectively and at electromagnetic switch, metal-oxide-semiconductor two ends.
4. intellectual water meter as claimed in claim 3 is characterized in that described electromagnetic switch is a bistable electromagnetic valve, and its two ends are electrically connected with control piece with solenoid valve switching electricity.
5. intellectual water meter as claimed in claim 2 is characterized in that described power down protection circuit is to be made of the electric erazable programmable memory, and its pin is connected with micro-processor interface circuit, positive source and ground respectively.
6. intellectual water meter as claimed in claim 2, it is characterized in that described voltage monitoring circuit is to be made of comparer, metal-oxide-semiconductor, resistance, electric capacity, metal-oxide-semiconductor grid crosstalk resistance is connected to micro-processor interface circuit, be connected in series the biasing resistor in parallel between source electrode and the ground with comparer, comparer is the perhaps direct ground connection of crosstalk respectively, and drain electrode is connected with power supply.
7. intellectual water meter as claimed in claim 1 is characterized in that described smart card is IC-card or IB card or light-card.
8. intellectual water meter as claimed in claim 2 is characterized in that described dormancy energy-saving circuit is the dormancy power saving unit of being changed by liquid meter, gas leakage detection, power supply that resistance, electric capacity, diode, this schmitt trigger, voltage stabilizing diode, metal-oxide-semiconductor, comparer, energy-conservation integrated circuit, working power are electrically connected to form.
9. intellectual water meter as claimed in claim 2 is characterized in that described warning circuit is that reverser, resistance, metal-oxide-semiconductor, audible-visual annunciator are connected in series successively and form, and its input end connects the output terminal of micro-processor interface circuit, and its output terminal is connected to audible-visual annunciator.
10. intellectual water meter as claimed in claim 2, it is characterized in that described card reader is to have card inserting mouth, Card Reader circuit, coding circuit, storage circuit to constitute, its input end inserts card inserting mouth with smart card, is connected to control circuit after Card Reader circuit, coding circuit, storage circuit output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99220075 CN2369220Y (en) | 1999-01-01 | 1999-01-01 | Intellectual water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99220075 CN2369220Y (en) | 1999-01-01 | 1999-01-01 | Intellectual water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2369220Y true CN2369220Y (en) | 2000-03-15 |
Family
ID=34010874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99220075 Expired - Fee Related CN2369220Y (en) | 1999-01-01 | 1999-01-01 | Intellectual water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2369220Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520272A (en) * | 2011-11-24 | 2012-06-27 | 大唐微电子技术有限公司 | Test system of power down protection function of smart card and method |
| CN103217197A (en) * | 2012-01-20 | 2013-07-24 | 英飞凌科技奥地利有限公司 | Flow meter device and method of operation |
-
1999
- 1999-01-01 CN CN 99220075 patent/CN2369220Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520272A (en) * | 2011-11-24 | 2012-06-27 | 大唐微电子技术有限公司 | Test system of power down protection function of smart card and method |
| CN102520272B (en) * | 2011-11-24 | 2015-07-15 | 大唐微电子技术有限公司 | Test system of power down protection function of smart card and method |
| CN103217197A (en) * | 2012-01-20 | 2013-07-24 | 英飞凌科技奥地利有限公司 | Flow meter device and method of operation |
| US9207683B2 (en) | 2012-01-20 | 2015-12-08 | Infineon Technologies Austria Ag | Flow meter device and method of operation |
| CN103217197B (en) * | 2012-01-20 | 2016-07-06 | 英飞凌科技奥地利有限公司 | Flowermeter and operational approach |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |