CN202084105U - Long-life radio-frequency IC (Integrated Circuit) card water meter - Google Patents
Long-life radio-frequency IC (Integrated Circuit) card water meter Download PDFInfo
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- CN202084105U CN202084105U CN201120117195XU CN201120117195U CN202084105U CN 202084105 U CN202084105 U CN 202084105U CN 201120117195X U CN201120117195X U CN 201120117195XU CN 201120117195 U CN201120117195 U CN 201120117195U CN 202084105 U CN202084105 U CN 202084105U
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Abstract
The utility model relates to a long-life radio-frequency IC card water meter. In the circuit of the current radio-frequency IC card, a card reading coil and a reed switch are independently sealed, and connected with a control circuit board by four leads, the production technology is complex, and the reliability is low. A power supply is generally a long-life lithium battery, and the lithium battery is packaged in a meter shell so that the battery cannot be exchanged by a user; as the battery needs to be exchanged by a professional, the battery exchanging process is complex, and the use of the meter is seriously influenced. The long-life radio-frequency IC card water meter comprises a water meter base meter (1), wherein a valve body (2) of the water meter base meter is connected with a valve motor and a transmission case component (3); the valve motor and the transmission case component are connected and installed in a protection cover (4); the valve motor and the transmission case component are connected to a circuit board (5), and the circuit board is connected to a card reading coil (6) and a liquid crystal display (7); the circuit board, the card reading coil and the liquid crystal display are installed in a seal cover (8); an impeller (9) of the water meter base meter is connected with a counter (10), the counter is connected with a signal detector (11), and the water meter is equipped with a battery cabin (12) and a battery (13). The long-life radio-frequency IC card water meter is used as a long-life radio-frequency water meter.
Description
Technical field:
The utility model relates to a kind of long-life radio frequency IC card water meter.
Background technology:
The Card Reader coil and the tongue tube of present radio frequency IC card water meter circuit are independent sealed, be connected with control circuit board with 4 leads, and complex manufacturing, reliability is lower.Power supply generally adopts long-life lithium battery, and lithium battery is encapsulated in the watchcase, and the user can not oneself change, and needs the professional to change, and changes the battery more complicated, has had a strong impact on the use of table tool.
Also having a kind of IC-card water meter is to adopt Contact Type Ic Card, and deck can't seal, and long-time the use is difficult to overcome the problem of moisture corrosion.
Summary of the invention:
The purpose of this utility model is to provide a kind of long-life radio frequency IC card water meter that can long-time high-precision use.
Above-mentioned purpose realizes by following technical scheme:
The long-life radio frequency IC card water meter; its composition comprises: essentic-water-meter; the valve body of described essentic-water-meter connects valve motor and transmission case assembly; described valve motor and transmission case assembly are mounted on the protective cover the inside; described valve motor and transmission case assembly connecting circuit plate; described circuit board connects the Card Reader coil; LCD; described circuit board; Card Reader coil and described LCD are installed in the seal closure the inside; the impeller linkage counter of described essentic-water-meter; described counter connects signal detector, and battery compartment and battery are installed on the described water meter.
Described long-life radio frequency IC card water meter, described circuit board comprises CPU, described CPU connects power circuit, Measuring and testing circuit, valve controling circuit, Card Reader circuit, buzz circuit, liquid crystal display circuit respectively.
Beneficial effect:
1. circuit package such as Card Reader coil of the present utility model and circuit board, LCD by irritating with the glue envelope, make circuit board and external isolation in a seal closure, avoided the corrosion of circuit board, have prolonged the serviceable life of circuit board.
. the utility model adopts radio-frequency (RF) IC card, the metal that does not expose, and the problem of having avoided the IC-card seat to corrode guarantees to use for a long time, and card-reading function is normal.
. the metering mechanism of the utility model water meter, adopt long-life impeller movement, after guaranteeing to use for a long time, precision can not reduce.
. the whole circuit design of the utility model all adopts the low-power consumption mode, makes control circuit when static (do not have incident to take place, CPU quits work), and electric current is below 4uA.
. battery of the present utility model adopts No. 5 alkaline batteries used in everyday, is installed in the battery compartment, and the user can oneself change battery.One secondary cell can use more than 2 years.
Description of drawings:
Accompanying drawing 1 is a plan structure synoptic diagram of the present utility model.
Accompanying drawing 2 is main TV structure synoptic diagram of the present utility model.
Accompanying drawing 3 is circuit theory diagrams of the present utility model.
Embodiment:
Embodiment 1:
Shown in accompanying drawing 1-2; the long-life radio frequency IC card water meter; its composition comprises: essentic-water-meter 1; the valve body 2 of described essentic-water-meter connects valve motor and transmission case assembly 3; described valve motor and transmission case assembly are mounted on protective cover the inside 4; described valve motor and transmission case assembly connecting circuit plate 5; described circuit board connects Card Reader coil 6; LCD 7; described circuit board; Card Reader coil and described LCD are installed in seal closure 8 the insides; impeller 9 linkage counters 10 of described essentic-water-meter; described counter connects signal detector 11, and battery compartment 12 and battery 13 are installed on the described water meter.
Embodiment 2:
As shown in Figure 3, described long-life radio frequency IC card water meter, described circuit board comprises CPU, described CPU connects power circuit, Measuring and testing circuit, valve controling circuit, Card Reader circuit, buzz circuit, liquid crystal display circuit respectively.
The circuit description of each several part is as follows:
Power circuit: No. 5 dry cell power supplies of three joints are arranged, voltage 4.5V, through choked flow diode D2, to capacitor C 3 chargings, C3 is the super capacitor of 1F, when taking off battery, the electric weight that C3 stores can guarantee the ball valve of water meter is closed.Power supply process U4(HT7133) after the integrated regulator voltage stabilizing, output 3.3V voltage uses for other circuit.
(HT7039) be used to detect cell voltage, output high level when cell voltage is higher than 3.9V, output low level when cell voltage is lower than 3.9V, with this signal input CPU, when voltage was low, valve-off stopped to supply water.When cell voltage is higher than 3.9V, just allow to open valve, use and supply water.
The Measuring and testing circuit: the Measuring and testing circuit is made up of tongue tube K1, the K2 and auxiliary circuit R8, R9, R10, the R11 that are installed in the water meter counter.When water flow through water meter, counter rotated, and permanent magnet is housed on the runner, when magnet turns near the tongue tube, and reed switch conduction, when magnet left tongue tube, tongue tube disconnected.K1, K2 are installed in the both sides of magnet runner respectively, and when magnet rotated, K1, K2 will take turns conducting, and this signal is input to CPU, and CPU carries out stored count to signal.The P84 pin of CPU and P82 pin output high level, R8, R10 draws high voltage, and R9, R11 are input resistance, during the K1 conducting, P83 pin low level, when K1 disconnects, P83 pin high level, during same K2 conducting, P81 pin low level is when K2 disconnects, P81 pin high level, P83, P81 pin are the interruptions of CPU, when K1 or K2 connect, it is corresponding that the CPU generation is interrupted, and CPU is waken up from dormant state, enters duty, to the input signal counting, after finishing, CPU enters into dormant state again.
Valve controling circuit: valve controling circuit is made up of the bridge-type output circuit and the signal deteching circuit that puts in place.V1, V2, V5, V6 form the brachium pontis of output bridge, when the P72 of CPU pin output high level, and V4, V1, V6 conducting, output forward current, valve open; If during the P71 pin of CPU output high level, V3, V2, V5 conducting, output inverse current, valve closing.
, K4 is the valve signaling switch that puts in place, K3 disconnects when driving valve and putting in place, close valve when putting in place K4 disconnect.After CPU receives the signal that puts in place, stop output, valve stops.
The Card Reader circuit: the Card Reader circuit adopts general card reading module, and triode V7 is to the card reading module powered switch, during P61 pin output low level, and the V7 conducting, card reading module powers on, and the P60 pin of CPU is a signal input pin, and the P57 pin is the signal output pin.The radio-frequency (RF) IC card that this equipment uses is the T5557 card.K3 is that Card Reader starts tongue tube, and magnet is equipped with at the center of IC-card, and when IC-card during near control circuit board, the magnet of IC-card is connected tongue tube, and CPU receives the pin level variable signal, in P61 pin output low level, starts card reading module, and starts the Card Reader program.After Card Reader was finished, P61 pin output high level was closed card reading module.
Buzz circuit: buzz circuit is made switch by triode V10, when the P62 of CPU pin output high level, and the V10 conducting, hummer rings.
Liquid crystal display circuit and cpu circuit: there is liquid crystal display drive circuit this single-chip microcomputer inside, and corresponding memory is put 1, and corresponding display segment is shown.The operation of the programmed control total system of CPU, data recording, counting accumulative total, data presentation, work such as Card Reader decoding.CPU is the core of water meter control system.
Claims (2)
1. long-life radio frequency IC card water meter; its composition comprises: essentic-water-meter; it is characterized in that: the valve body of described essentic-water-meter connects valve motor and transmission case assembly; described valve motor and transmission case assembly are mounted on the protective cover the inside; described valve motor and transmission case assembly connecting circuit plate; described circuit board connects the Card Reader coil; LCD; described circuit board; Card Reader coil and described LCD are installed in the seal closure the inside; the impeller linkage counter of described essentic-water-meter; described counter connects signal detector, and battery compartment and battery are installed on the described water meter.
2. long-life radio frequency IC card water meter according to claim 1 is characterized in that: described circuit board comprises CPU, and described CPU connects power circuit, Measuring and testing circuit, valve controling circuit, Card Reader circuit, buzz circuit, liquid crystal display circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120117195XU CN202084105U (en) | 2011-04-20 | 2011-04-20 | Long-life radio-frequency IC (Integrated Circuit) card water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120117195XU CN202084105U (en) | 2011-04-20 | 2011-04-20 | Long-life radio-frequency IC (Integrated Circuit) card water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202084105U true CN202084105U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120117195XU Expired - Fee Related CN202084105U (en) | 2011-04-20 | 2011-04-20 | Long-life radio-frequency IC (Integrated Circuit) card water meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN202084105U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279986A (en) * | 2011-04-20 | 2011-12-14 | 哈尔滨工程大学三金高新技术有限责任公司 | Long-life radio frequency integrated circuit (IC) card water gauge |
| CN104282087A (en) * | 2014-10-30 | 2015-01-14 | 成都龙腾中远信息技术有限公司 | High-precision IC card water meter |
| CN104637174A (en) * | 2013-11-14 | 2015-05-20 | 哈尔滨市三和佳美科技发展有限公司 | Electric supply photoelectricity communication remote water meter |
| CN106504427A (en) * | 2016-12-21 | 2017-03-15 | 成都秦川科技发展有限公司 | A kind of gas meter, flow meter and gas-fired equipment |
-
2011
- 2011-04-20 CN CN201120117195XU patent/CN202084105U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279986A (en) * | 2011-04-20 | 2011-12-14 | 哈尔滨工程大学三金高新技术有限责任公司 | Long-life radio frequency integrated circuit (IC) card water gauge |
| CN104637174A (en) * | 2013-11-14 | 2015-05-20 | 哈尔滨市三和佳美科技发展有限公司 | Electric supply photoelectricity communication remote water meter |
| CN104282087A (en) * | 2014-10-30 | 2015-01-14 | 成都龙腾中远信息技术有限公司 | High-precision IC card water meter |
| CN106504427A (en) * | 2016-12-21 | 2017-03-15 | 成都秦川科技发展有限公司 | A kind of gas meter, flow meter and gas-fired equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20150420 |
|
| EXPY | Termination of patent right or utility model |