CN202189412U

CN202189412U - IC (Integrated Circuit) card prepaid water meter with backward walking prevention function

Info

Publication number: CN202189412U
Application number: CN2011203369607U
Authority: CN
Inventors: 郝晓峰; 周智俊; 周智春
Original assignee: 郝晓峰; 周智俊; 周智春
Current assignee: XI'AN NEVEN ELECTRONIC TECHNOLOGY CO., LTD.
Priority date: 2011-09-08
Filing date: 2011-09-08
Publication date: 2012-04-11
Anticipated expiration: 2021-09-08

Abstract

The utility model discloses an IC (Integrated Circuit) card prepaid water meter with a backward walking prevention function, comprising a shell, an origination base meter with a valve, a prepaid charging control device and a stepping motor driving type register. The origination base meter with the valve comprises a meter body, an origination device, a ball valve and a power mechanism; and the prepaid charging control device comprises a controller module, a data storage circuit module and a power module, wherein the input end of the controller module is connected with a base meter origination interface circuit module, an IC card interface circuit module and a programmable interface circuit module, the input end of the controller module is connected with a register interface circuit module, a base meter ball valve control interface circuit module, a liquid crystal display circuit module and a buzzer alarm circuit module, the stepping motor driving type register and the liquid crystal circuit module are exposed outside the top end of the shell, and the IC card interface circuit module is exposed on the side wall of the shell. The IC card prepaid water meter has a compact structure, is high in metering precision and high in reliability, and precludes metering issues and vicious water stealing caused by the reverse installation of the water meter.

Description

IC-card prepay water meter with anti-down stop & go function

Technical field

The utility model relates to a kind of water meter, especially relates to a kind of IC-card prepay water meter with anti-down stop & go function.

Background technology

Along with China's rapid economy development, and quickening of urbanization process, the lack of water phenomenon in big and medium-sized cities, occurred, and the water of advocating thriftiness has now arrived huge numbers of families.The IC-card prepay water meter is that the metering of IC-card exchanges data, water, pipeline technology such as cut off the water supply is combined a kind of measuring products of producing; Be mainly and solve the difficulty of checking meter in the residential customer management of the use of water, difficult charge and be born, there is more wide use in the area to the north of the Changjiang river at present.

When the IC-card prepay water meter is applied to new building, most modes that adopt outdoor installation; But what early stage dwelling house design was adopted is indoor water meter mounting means, and therefore when being used for the Lao Lou transformation, majority is the mode of indoor installation.IC-card prepay water meter of the prior art all has the current installation direction, can not upside-down mounting, if the upside-down mounting water meter; Machinery metering demonstration in the IC-card prepay water meter can cause reading to successively decrease; And electronics metering demonstration increases progressively always, and machinery and electronics metering show inconsistent, thereby metering dispute occurs.Actual in the water meter installation process, unavoidable water meter upside-down mounting, or the later stage to the water meter of indoor installation, malicious user is also used the method for anti-dress water meter and is come water steathily, and manager is difficult to find.

The utility model content

The utility model technical matters to be solved is to above-mentioned deficiency of the prior art a kind of IC-card prepay water meter with anti-down stop & go function to be provided, and its compact conformation is reasonable in design; Easy to install, measuring accuracy is high, and functional reliability is high, has the anti-down function of walking; Metering dispute and the malice having stopped to cause because of the water meter upside-down mounting are stolen the water behavior, and failure rate is low, and the maintenance and repair cost is low; Long service life, result of use is good, is convenient to promote the use of.

For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of IC-card prepay water meter with anti-down stop & go function is characterized in that: comprise housing, be installed in the enclosure interior bottom and two ends reach the outer band valve sender base table of housing, are installed in the enclosure interior top and the pre-payment control device that joins with band valve sender base table and the stepping motor driving type register that is installed in the enclosure interior top and joins with the pre-payment control device; Said band valve sender base table comprises the table body, joins with the table body and is used for the number conversion of table body impeller turning collar is become the signal transmitter of electric signal and be used to accomplish to supply to cut off the water supply the ball valve of operation and join with ball valve and drive the actuating unit that ball valve moves; Said pre-payment control device comprises controller module, the data storage circuitry module of joining with controller module and the power module of giving each power unit power supply in the pre-payment control device; The input end of said controller module is connected to base table sender interface module, IC-card interface module and DLL circuit module; The output terminal of said controller module is connected to register interface module, base table ball valve control interface circuit module, liquid crystal display circuit module and buzzer alarm circuit module; The input end of the output terminal of said IC-card interface module and data storage circuitry module joins; The input end and the signal transmitter of said base table sender interface module join; The output terminal of said register interface module and stepping motor driving type register join; The output terminal and the actuating unit of said base table ball valve control interface circuit module join; Said stepping motor driving type register and liquid crystal display circuit module are all outer to be exposed at the housing top, and said IC-card interface module is exposed on the housing sidewall outward.

The above-mentioned IC-card prepay water meter with anti-down stop & go function is characterized in that: said controller module is single-chip microcomputer MSP430F413.

Above-mentioned IC-card prepay water meter with anti-down stop & go function, it is characterized in that: said power module comprises lithium battery, polarity free capacitor C1 and C2, inductance L 1 and L2, electrochemical capacitor CL3 and CL5, and the bipod connector J1 that is used to connect lithium battery; The pin 1 of said bipod connector J1 and pin 2 join with the positive pole and the negative pole of lithium battery respectively; The negative pole of said lithium battery meets simulation ground AGND; One end of the end of said polarity free capacitor C1, the end of polarity free capacitor C2 and inductance L 1 all joins with the pin 1 of bipod connector J1; The other end of the other end of the other end of said polarity free capacitor C1, polarity free capacitor C2 and inductance L 1 all joins with the pin 2 of bipod connector J1; The end of the other end of said inductance L 1 and electrochemical capacitor CL3 and the end of electrochemical capacitor CL5 joins and be the output terminal VDD of power module, the other end of the other end of said inductance L 2, electrochemical capacitor CL3 and the other end of electrochemical capacitor CL5 all meet digitally GND.

The above-mentioned IC-card prepay water meter with anti-down stop & go function is characterized in that: said data storage circuitry module comprises chip 24C02, resistance R M1, RM2, R39 and R41, and positive-negative-positive triode QVCM1 and QVCM2; The pin 1 of said chip 24C02, pin 2, pin 3, pin 4 and pin 7 all meet digitally GND; The pin 5 of said chip 24C02 joins with the end of resistance R M1 and the pin 47 of single-chip microcomputer MSP430F413; The pin 6 of said chip 24C02 joins with the end of resistance R M2 and the pin 46 of single-chip microcomputer MSP430F413; The other end of the pin 8 of said chip 24C02, the other end of resistance R M1 and resistance R M2 all joins with the collector of positive-negative-positive triode QVCM2; The base stage of said positive-negative-positive triode QVCM2 and an end of resistance R 39 join; The pin 48 of the other end of said resistance R 39 and single-chip microcomputer MSP430F413 joins; Collector and the IC-card interface module of said positive-negative-positive triode QVCM1 join; The base stage of said positive-negative-positive triode QVCM1 and an end of resistance R 41 join, and the pin 50 of the other end of said resistance R 41 and single-chip microcomputer MSP430F413 joins, and the emitter of the emitter of said positive-negative-positive triode QVCM1 and positive-negative-positive triode QVCM2 all joins with the output terminal VDD of power module.

Above-mentioned IC-card prepay water meter with anti-down stop & go function; It is characterized in that: said base table sender interface module comprises resistance R W1, RW2, RW3, RW4 and RW5; Capacitive compensator CW15 and CW16; NPN type triode QW1 and positive-negative-positive triode QW2, and be used for the bipod connector J2 that is connected with signal transmitter; The end of said resistance R W1 and the end of capacitive compensator CW15 all join with the pin 1 of bipod connector J2; The base stage of the end of the other end of said capacitive compensator CW15 and resistance R W2 and NPN type triode QW1 is joined; The emitter of said NPN type triode QW1 and the other end of resistance R W2 all meet simulation ground AGND; The collector of said NPN type triode QW1 joins with the end of resistance R W4 and the pin 33 of single-chip microcomputer MSP430F413, and the other end of said resistance R W4 and the positive pole of lithium battery join; The end of the other end of said resistance R W1 and capacitive compensator CW16 all joins with the pin 2 of bipod connector J2; The base stage of the end of the other end of said capacitive compensator CW16 and resistance R W3 and positive-negative-positive triode QW2 is joined; The pin 34 of the emitter of said positive-negative-positive triode QW2 and the end of resistance R W5 and single-chip microcomputer MSP430F413 joins, and the collector of said positive-negative-positive triode QW2 and the other end of resistance R W3 all join with the positive pole of lithium battery; Another termination simulation ground AGND of said resistance R W5.

Above-mentioned IC-card prepay water meter with anti-down stop & go function; It is characterized in that: said IC-card interface module comprises capacitor C 16; Resistance R C10, RC11, RC12, RC13, RC14, RC15, RC17 and RC18, and the seven pin connector J4 that are used to insert IC-card; The pin 1 of said seven pin connector J4 joins with the end of resistance R C12; One end of the other end of said resistance R C12, capacitor C 16 and the end of resistance R C15 all join with the pin 49 of single-chip microcomputer MSP430F413; The output terminal VDD of the other end of said resistance R C15 and power module joins; The pin 2 of said seven pin connector J4 joins with the end of resistance R C13; The end of the other end of said resistance R C13 and resistance R C10 all joins with the pin 52 of single-chip microcomputer MSP430F413; The pin 3 of said seven pin connector J4 and the other end of capacitor C 16 all meet digitally GND; The end of the pin 4 of said seven pin connector J4, the other end of resistance R C10 and resistance R C11 all joins with the collector of positive-negative-positive triode QVCM1, and the pin 5 of said seven pin connector J4 joins with the end of resistance R C14, and the other end of the other end of said resistance R C14 and resistance R C11 all joins with the pin 53 of single-chip microcomputer MSP430F413; The pin 6 of said seven pin connector J4 joins with the end of resistance R C17; The pin 51 of the other end of said resistance R C17 and single-chip microcomputer MSP430F413 joins, and the pin 7 of said seven pin connector J4 joins with the end of resistance R C18, and the pin 32 of the other end of said resistance R C18 and single-chip microcomputer MSP430F413 joins.

Above-mentioned IC-card prepay water meter with anti-down stop & go function; It is characterized in that: said register interface module comprises and is used for the bipod connector J3 that joins with the stepping motor driving type register; The pin 1 of said bipod connector J3 joins with the pin 6 of single-chip microcomputer MSP430F413, and the pin 2 of said bipod connector J3 joins with the pin 5 of single-chip microcomputer MSP430F413.

Above-mentioned IC-card prepay water meter with anti-down stop & go function; It is characterized in that: said base table ball valve control interface circuit module comprises the five pin connector J7 that are used for being connected with actuating unit; Capacitor contactor CDJ1; Resistance QR1, QR2, QR3, QR4, QR5, QR6, RMP1 and RMP2, positive-negative-positive triode QQ3 and QQ4, and NPN type triode QQ1, QQ2, QQ5 and QQ6; The emitter of the end of said resistance QR1, NPN type triode QQ2 and the end of resistance QR6 all join with the pin 3 of single-chip microcomputer MSP430F413; The end of the emitter of said NPN type triode QQ1, the end of resistance QR5 and resistance QR2 all joins with the pin 2 of single-chip microcomputer MSP430F413; The base stage of the other end of said resistance QR1 and NPN type triode QQ1 is joined; The collector of said NPN type triode QQ1 and the end of resistance QR3 join; The base stage of the other end of said resistance QR3 and positive-negative-positive triode QQ3 is joined; The emitter of the emitter of said positive-negative-positive triode QQ3 and positive-negative-positive triode QQ4 all joins with the positive pole of lithium battery; The collector of the collector of said positive-negative-positive triode QQ3, NPN type triode QQ5, the end of capacitor contactor CDJ1 all join with the pin 1 of five pin connector J7; The collector of the collector of said positive-negative-positive triode QQ4, NPN type triode QQ6, the other end of capacitor contactor CDJ1 all join with the pin 2 of five pin connector J7, and the base stage of said positive-negative-positive triode QQ4 and the end of resistance QR4 join, and the collector of the other end of said resistance QR4 and NPN type triode QQ2 joins; The base stage of said NPN type triode QQ2 and the other end of resistance QR2 join; The base stage of said NPN type triode QQ5 and the other end of resistance QR5 join, and the base stage of said NPN type triode QQ6 and the other end of resistance QR6 join, and the emitter of the emitter of said NPN type triode QQ5 and NPN type triode QQ6 all meets simulation ground AGND; The pin 3 of said five pin connector J7 and the end of resistance R MP2 all join with the pin 59 of single-chip microcomputer MSP430F413; The pin 4 of said five pin connector J7 and the end of resistance R MP1 all join with the pin 60 of single-chip microcomputer MSP430F413; The other end of the other end of said resistance R MP2 and resistance R MP1 all joins with the output terminal VDD of power module, and the pin 5 of said five pin connector J7 joins with the pin 4 of single-chip microcomputer MSP430F413.

The above-mentioned IC-card prepay water meter with anti-down stop & go function is characterized in that: said liquid crystal display circuit module comprises TN section-type LCD liquid crystal display and resistance R A, RB, RA1, RB1, RA2, RC, RC1 and the RD with 20 pins; The pin 1 of said TN section-type LCD liquid crystal display and the end of resistance R A1 all join with the pin 39 of single-chip microcomputer MSP430F413; The pin 2 of said TN section-type LCD liquid crystal display and the end of resistance R B1 all join with the pin 38 of single-chip microcomputer MSP430F413; Pin 3, pin 5 and the pin 6 of the end of the other end of said resistance R A1, the other end of resistance R B1, resistance R A and the end of resistance R B and TN section-type LCD liquid crystal display all joins with the end of resistance R C and the end of resistance R A2; The pin 26 of the other end of said resistance R A and single-chip microcomputer MSP430F413 joins; The pin 27 of the other end of said resistance R B and single-chip microcomputer MSP430F413 joins; The pin 4 of said TN section-type LCD liquid crystal display joins with the end of resistance R C1 and the end of resistance R D; The other end of the other end of said resistance R C and resistance R C1 all joins with the pin 37 of single-chip microcomputer MSP430F413; The other end of the other end of said resistance R A2 and resistance R D all joins with the pin 36 of single-chip microcomputer MSP430F413, and the corresponding successively respectively pin 25～12 with single-chip microcomputer MSP430F413 of the pin 7～20 of said TN section-type LCD liquid crystal display joins.

Above-mentioned IC-card prepay water meter with anti-down stop & go function; It is characterized in that: said buzzer alarm circuit module comprises resistance R A15, capacitor C A35, NPN type triode Q4 and hummer LS2; The end of said resistance R A15 and the pin 44 of single-chip microcomputer MSP430F413 join; The base stage of the other end of said resistance R A15 and NPN type triode Q4 and the end of capacitor C A35 join; The collector of said NPN type triode Q4 and the negative pole of hummer LS2 join, and the positive pole of said hummer LS2 and the positive pole of lithium battery join, and the emitter of the other end of said capacitor C A35 and NPN type triode Q4 all meets simulation ground AGND.

The utility model compared with prior art has the following advantages:

1, the utility model compact conformation is reasonable in design, and is waterproof, moistureproof, easy to install.

2, the utility model adopts ball valve to carry out current control, and failure rate is low, and maintenance is few.

3, the circuit design of the utility model pre-payment control device is ingenious, makes that the measuring accuracy of this water meter is high, and functional reliability is high.

4, to adopt single-chip microcomputer MSP430F413 be controller module to the utility model, this single-chip microcomputer low in energy consumption, powerful, and reliability and antijamming capability are strong, and data-handling capacity is strong.

5, the utility model is supplied power through the lithium battery of high-quality high energy, and year self-discharge rate can guarantee work 8 years less than 1%, had avoided frequent replacing battery to make troubles to the user.

6, the utility model has realized that electronics metering and the two of machinery metering show; And no matter this water meter is upside-down mounting or formal dress; All can catch flow signal exactly; Realized the electronics metering consistance that metering shows with machinery, had the anti-down function of walking, metering dispute and the malice effectively having stopped to cause because of the water meter upside-down mounting steals the water behavior.

7, the failure rate of the utility model is low, and the maintenance and repair cost is low, long service life, and result of use is good, is convenient to promote the use of.

In sum, the utility model compact conformation, reasonable in design, easy to install; Measuring accuracy is high, and functional reliability is high, has the anti-down function of walking, and metering dispute and the malice having stopped to cause because of the water meter upside-down mounting are stolen the water behavior; Failure rate is low, and the maintenance and repair cost is low, long service life; Solved in the prior art and stolen the problem that water occurs because of the water meter upside-down mounting causes metering dispute and malice, result of use is good, is convenient to promote the use of.

Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the structural representation of the utility model band valve sender base table.

Fig. 3 is the circuit block diagram of the utility model pre-payment control device.

Fig. 4 is the circuit theory diagrams of the utility model controller module.

Fig. 5 is the circuit theory diagrams of the utility model power module.

Fig. 6 is the circuit theory diagrams of the utility model data storage circuitry module.

Fig. 7 is the circuit theory diagrams of the utility model base table sender interface module.

Fig. 8 is the circuit theory diagrams of the utility model IC-card interface module.

Fig. 9 is the circuit theory diagrams of the utility model register interface module.

Figure 10 is the circuit theory diagrams of the utility model base table ball valve control interface circuit module.

Figure 11 is the circuit theory diagrams of the utility model liquid crystal display circuit module.

Figure 12 is the circuit theory diagrams of the utility model buzzer alarm circuit module.

Description of reference numerals:

The 1-housing; 2-stepping motor driving type register; 3-1-shows body;

The 3-2-signal transmitter; The 3-3-ball valve; The 3-4-actuating unit;

The 4-1-controller module; 4-2-data storage circuitry module;

The 4-3-power module; The 4-31-lithium battery; 4-4-base table sender interface module;

4-5-IC card interface circuit module; 4-6-DLL circuit module;

4-7-register interface module; 4-8-base table ball valve control interface circuit module;

4-9-liquid crystal display circuit module; 4-10-buzzer alarm circuit module.

Embodiment

Like Fig. 1, Fig. 2 and shown in Figure 3, the utility model comprises housing 1, be installed in housing 1 inner bottom and two ends reaches the outer band valve sender base table of housing 1, is installed in housing 1 inner tip and pre-payment control device that joins with band valve sender base table and the stepping motor driving type register 2 that is installed in housing 1 inner tip and joins with the pre-payment control device; Said band valve sender base table comprises table body 3-1, joins with table body 3-1 and is used for the number conversion of table body 3-1 impeller turning collar is become the signal transmitter 3-2 of electric signal and be used to accomplish to supply to cut off the water supply the ball valve 3-3 of operation and join with ball valve 3-3 and drive the actuating unit 3-4 that ball valve 3-3 moves; Said pre-payment control device comprises controller module 4-1, the data storage circuitry module 4-2 that joins with controller module 4-1 and the power module 4-3 that gives each power unit power supply in the pre-payment control device; The input end of said controller module 4-1 is connected to base table sender interface module 4-4, IC-card interface module 4-5 and DLL circuit module 4-6; The output terminal of said controller module 4-1 is connected to register interface module 4-7, base table ball valve control interface circuit module 4-8, liquid crystal display circuit module 4-9 and buzzer alarm circuit module 4-10; The input end of the output terminal of said IC-card interface module 4-5 and data storage circuitry module 4-2 joins; Input end and the signal transmitter 3-2 of said base table sender interface module 4-4 join; Output terminal and the stepping motor driving type register 2 of said register interface module 4-7 join; Output terminal and the actuating unit 3-4 of said base table ball valve control interface circuit module 4-8 join; Said stepping motor driving type register 2 is exposed at housing 1 top with liquid crystal display circuit module 4-9 is all outer, and said IC-card interface module 4-5 is exposed at outward on housing 1 sidewall.Wherein, said ball valve 3-3 is the spherical valve of stainless steel, and crushing is significantly less than the crushing of other structure valve.1500: 1 the reduction gearing that said actuating unit 3-4 joins by low voltage motor, with low voltage motor with constitute with the coaxial position switch that is connected of reduction gearing, said position switch and ball valve 3-3 join; Controller module 4-1 controls the rotating of low voltage motor through base table ball valve control interface circuit module 4-8, and then realizes the control to ball valve 3-3 opening and closing.

In conjunction with Fig. 4, in the present embodiment, said controller module 4-1 is single-chip microcomputer MSP430F413.The pin 52～58 of single-chip microcomputer MSP430F413 is used to connect DLL circuit module 4-6, and this DLL circuit module 4-6 is the DLL circuit module of known MSP430 series monolithic.Single-chip microcomputer MSP430F413's is low in energy consumption, powerful, and reliability and antijamming capability are strong, and data-handling capacity is strong.

In conjunction with Fig. 5, in the present embodiment, said power module 4-3 comprises lithium battery 4-31, polarity free capacitor C1 and C2, inductance L 1 and L2, electrochemical capacitor CL3 and CL5, and the bipod connector J1 that is used to connect lithium battery 4-31; The pin 1 of said bipod connector J1 and pin 2 join with positive pole and the negative pole of lithium battery 4-31 respectively; The negative pole of said lithium battery 4-31 meets simulation ground AGND; One end of the end of said polarity free capacitor C1, the end of polarity free capacitor C2 and inductance L 1 all joins with the pin 1 of bipod connector J1; The other end of the other end of the other end of said polarity free capacitor C1, polarity free capacitor C2 and inductance L 1 all joins with the pin 2 of bipod connector J1; The end of the other end of said inductance L 1 and electrochemical capacitor CL3 and the end of electrochemical capacitor CL5 joins and be the output terminal VDD of power module 4-3, the other end of the other end of said inductance L 2, electrochemical capacitor CL3 and the other end of electrochemical capacitor CL5 all meet digitally GND.

In conjunction with Fig. 6, in the present embodiment, said data storage circuitry module 4-2 comprises chip 24C02, resistance R M1, RM2, R39 and R41, and positive-negative-positive triode QVCM1 and QVCM2; The pin 1 of said chip 24C02, pin 2, pin 3, pin 4 and pin 7 all meet digitally GND; The pin 5 of said chip 24C02 joins with the end of resistance R M1 and the pin 47 of single-chip microcomputer MSP430F413; The pin 6 of said chip 24C02 joins with the end of resistance R M2 and the pin 46 of single-chip microcomputer MSP430F413; The other end of the pin 8 of said chip 24C02, the other end of resistance R M1 and resistance R M2 all joins with the collector of positive-negative-positive triode QVCM2; The base stage of said positive-negative-positive triode QVCM2 and an end of resistance R 39 join; The pin 48 of the other end of said resistance R 39 and single-chip microcomputer MSP430F413 joins; The collector of said positive-negative-positive triode QVCM1 and IC-card interface module 4-5 join; The base stage of said positive-negative-positive triode QVCM1 and an end of resistance R 41 join, and the pin 50 of the other end of said resistance R 41 and single-chip microcomputer MSP430F413 joins, and the emitter of the emitter of said positive-negative-positive triode QVCM1 and positive-negative-positive triode QVCM2 all joins with the output terminal VDD of power module 4-3.

In conjunction with Fig. 7; In the present embodiment, said base table sender interface module 4-4 comprises resistance R W1, RW2, RW3, RW4 and RW5, capacitive compensator CW15 and CW16; NPN type triode QW1 and positive-negative-positive triode QW2, and be used for the bipod connector J2 that is connected with signal transmitter 3-2; The end of said resistance R W1 and the end of capacitive compensator CW15 all join with the pin 1 of bipod connector J2; The base stage of the end of the other end of said capacitive compensator CW15 and resistance R W2 and NPN type triode QW1 is joined; The emitter of said NPN type triode QW1 and the other end of resistance R W2 all meet simulation ground AGND; The collector of said NPN type triode QW1 joins with the end of resistance R W4 and the pin 33 of single-chip microcomputer MSP430F413, and the positive pole of the other end of said resistance R W4 and lithium battery 4-31 joins; The end of the other end of said resistance R W1 and capacitive compensator CW16 all joins with the pin 2 of bipod connector J2; The base stage of the end of the other end of said capacitive compensator CW16 and resistance R W3 and positive-negative-positive triode QW2 is joined; The pin 34 of the emitter of said positive-negative-positive triode QW2 and the end of resistance R W5 and single-chip microcomputer MSP430F413 joins, and the collector of said positive-negative-positive triode QW2 and the other end of resistance R W3 all join with the positive pole of lithium battery 4-31; Another termination simulation ground AGND of said resistance R W5.

In conjunction with Fig. 8, in the present embodiment, said IC-card interface module 4-5 comprises capacitor C 16, resistance R C10, RC11, RC12, RC13, RC14, RC15, RC17 and RC18, and the seven pin connector J4 that are used to insert IC-card; The pin 1 of said seven pin connector J4 joins with the end of resistance R C12; One end of the other end of said resistance R C12, capacitor C 16 and the end of resistance R C15 all join with the pin 49 of single-chip microcomputer MSP430F413; The output terminal VDD of the other end of said resistance R C15 and power module 4-3 joins; The pin 2 of said seven pin connector J4 joins with the end of resistance R C13; The end of the other end of said resistance R C13 and resistance R C10 all joins with the pin 52 of single-chip microcomputer MSP430F413; The pin 3 of said seven pin connector J4 and the other end of capacitor C 16 all meet digitally GND; The end of the pin 4 of said seven pin connector J4, the other end of resistance R C10 and resistance R C11 all joins with the collector of positive-negative-positive triode QVCM1, and the pin 5 of said seven pin connector J4 joins with the end of resistance R C14, and the other end of the other end of said resistance R C14 and resistance R C11 all joins with the pin 53 of single-chip microcomputer MSP430F413; The pin 6 of said seven pin connector J4 joins with the end of resistance R C17; The pin 51 of the other end of said resistance R C17 and single-chip microcomputer MSP430F413 joins, and the pin 7 of said seven pin connector J4 joins with the end of resistance R C18, and the pin 32 of the other end of said resistance R C18 and single-chip microcomputer MSP430F413 joins.

In conjunction with Fig. 9; In the present embodiment; Said register interface module 4-7 comprises and is used for the bipod connector J3 that joins with stepping motor driving type register 2; The pin 1 of said bipod connector J3 joins with the pin 6 of single-chip microcomputer MSP430F413, and the pin 2 of said bipod connector J3 joins with the pin 5 of single-chip microcomputer MSP430F413.

In conjunction with Figure 10; In the present embodiment; Said base table ball valve control interface circuit module 4-8 comprises the five pin connector J7 that are used for being connected with actuating unit 3-4, capacitor contactor CDJ1, resistance QR1, QR2, QR3, QR4, QR5, QR6, RMP1 and RMP2; Positive-negative-positive triode QQ3 and QQ4, and NPN type triode QQ1, QQ2, QQ5 and QQ6; The emitter of the end of said resistance QR1, NPN type triode QQ2 and the end of resistance QR6 all join with the pin 3 of single-chip microcomputer MSP430F413; The end of the emitter of said NPN type triode QQ1, the end of resistance QR5 and resistance QR2 all joins with the pin 2 of single-chip microcomputer MSP430F413; The base stage of the other end of said resistance QR1 and NPN type triode QQ1 is joined; The collector of said NPN type triode QQ1 and the end of resistance QR3 join; The base stage of the other end of said resistance QR3 and positive-negative-positive triode QQ3 is joined; The emitter of the emitter of said positive-negative-positive triode QQ3 and positive-negative-positive triode QQ4 all joins with the positive pole of lithium battery 4-31; The collector of the collector of said positive-negative-positive triode QQ3, NPN type triode QQ5, the end of capacitor contactor CDJ1 all join with the pin 1 of five pin connector J7; The collector of the collector of said positive-negative-positive triode QQ4, NPN type triode QQ6, the other end of capacitor contactor CDJ1 all join with the pin 2 of five pin connector J7, and the base stage of said positive-negative-positive triode QQ4 and the end of resistance QR4 join, and the collector of the other end of said resistance QR4 and NPN type triode QQ2 joins; The base stage of said NPN type triode QQ2 and the other end of resistance QR2 join; The base stage of said NPN type triode QQ5 and the other end of resistance QR5 join, and the base stage of said NPN type triode QQ6 and the other end of resistance QR6 join, and the emitter of the emitter of said NPN type triode QQ5 and NPN type triode QQ6 all meets simulation ground AGND; The pin 3 of said five pin connector J7 and the end of resistance R MP2 all join with the pin 59 of single-chip microcomputer MSP430F413; The pin 4 of said five pin connector J7 and the end of resistance R MP1 all join with the pin 60 of single-chip microcomputer MSP430F413; The other end of the other end of said resistance R MP2 and resistance R MP1 all joins with the output terminal VDD of power module 4-3, and the pin 5 of said five pin connector J7 joins with the pin 4 of single-chip microcomputer MSP430F413.

In conjunction with Figure 11, in the present embodiment, said liquid crystal display circuit module 4-9 comprises TN section-type LCD liquid crystal display and resistance R A, RB, RA1, RB1, RA2, RC, RC1 and the RD with 20 pins; The pin 1 of said TN section-type LCD liquid crystal display and the end of resistance R A1 all join with the pin 39 of single-chip microcomputer MSP430F413; The pin 2 of said TN section-type LCD liquid crystal display and the end of resistance R B1 all join with the pin 38 of single-chip microcomputer MSP430F413; Pin 3, pin 5 and the pin 6 of the end of the other end of said resistance R A1, the other end of resistance R B1, resistance R A and the end of resistance R B and TN section-type LCD liquid crystal display all joins with the end of resistance R C and the end of resistance R A2; The pin 26 of the other end of said resistance R A and single-chip microcomputer MSP430F413 joins; The pin 27 of the other end of said resistance R B and single-chip microcomputer MSP430F413 joins; The pin 4 of said TN section-type LCD liquid crystal display joins with the end of resistance R C1 and the end of resistance R D; The other end of the other end of said resistance R C and resistance R C1 all joins with the pin 37 of single-chip microcomputer MSP430F413; The other end of the other end of said resistance R A2 and resistance R D all joins with the pin 36 of single-chip microcomputer MSP430F413, and the corresponding successively respectively pin 25～12 with single-chip microcomputer MSP430F413 of the pin 7～20 of said TN section-type LCD liquid crystal display joins.

In conjunction with Figure 12; In the present embodiment; Said buzzer alarm circuit module 4-10 comprises resistance R A15, capacitor C A35, NPN type triode Q4 and hummer LS2; The end of said resistance R A15 and the pin 44 of single-chip microcomputer MSP430F413 join, and the other end of said resistance R A15 joins with the base stage of NPN type triode Q4 and the end of capacitor C A35, and the collector of said NPN type triode Q4 and the negative pole of hummer LS2 join; The positive pole of the positive pole of said hummer LS2 and lithium battery 4-31 joins, and the emitter of the other end of said capacitor C A35 and NPN type triode Q4 all meets simulation ground AGND.

The process that the forward purchasing water yield is input in the utility model is: after the user pays dues; Managerial personnel calculate the forward purchasing water yield according to water price and write the IC-card of access customer; The user inserts seven pin connector J4 with IC-card; The forward purchasing water yield data that are stored in the IC-card are transferred among controller module 4-1 and the data storage circuitry module 4-2 through IC-card interface module 4-5, and controller module 4-1 output control signal corresponding is given base table ball valve control interface circuit module 4-8 and through base table ball valve control interface circuit module 4-8 actuating unit 3-4 controlled, and then opens ball valve 3-3; Water supply start, this water meter begin to carry out the water consumption metering.

The process that the utility model carries out the water consumption metering is: when this water meter of current process; Drive the wheel rotation among the band valve sender base table table body 3-1; Signal transmitter 3-2 converts the wheel rotation number of turns electric signal to and is transferred to controller module 4-1 through base table sender interface module 4-4; After controller module 4-1 carries out analyzing and processing to its received signal; The output control signal corresponding is given register interface module 4-7, base table ball valve control interface circuit module 4-8, liquid crystal display circuit module 4-9 and buzzer alarm circuit module 4-10, and drive stepping motor drive-type register 2 is had good luck, and shows water consumption in real time on the liquid crystal display circuit module 4-9 simultaneously; Realized that electronics metering and the two of machinery metering show; And, all can catch flow signal exactly no matter this water meter is upside-down mounting or formal dress, realized the electronics metering consistance that metering shows with machinery; When controller module 4-1 analysis drew water shortage, control buzzer alarm circuit module 4-10 sent chimes of doom, reminds the user in time to purchase water; When controller module 4-1 analyzes when drawing the forward purchasing water yield and having used up, 4-8 controls actuating unit 3-4 through base table ball valve control interface circuit module, and then closes ball valve 3-3, stops to supply water.User's purchase water that holds once more, the input water meter circulates with this.

In addition, the utility model is supplied power through the lithium battery 4-31 of high-quality high energy, and year self-discharge rate can guarantee work 8 years less than 1%.Can also design corresponding lithium battery electric weight testing circuit; Lithium battery electric weight testing circuit is exported to controller module 4-1 with its detected lithium battery 4-31 electric quantity signal; Controller module 4-1 shows through liquid crystal display circuit module 4-9 through after the analyzing and processing; Make things convenient for the user to understand the operating position of lithium battery 4-31, in time change battery.

In sum; The utility model the utility model has realized that electronics metering and the two of machinery metering show; And, all can catch flow signal exactly no matter this water meter is upside-down mounting or formal dress, realized the electronics metering consistance that metering shows with machinery; Had the anti-down function of walking, metering dispute and the malice effectively having stopped to cause because of the water meter upside-down mounting are stolen the water behavior.Compact conformation, reasonable in design, easy to install, measuring accuracy is high, and functional reliability is high, and failure rate is low, and the maintenance and repair cost is low, long service life, result of use is good, is convenient to promote the use of.

The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of the utility model technical scheme according to the utility model technical spirit.

Claims

1. IC-card prepay water meter with anti-down stop & go function is characterized in that: comprise housing (1), be installed in housing (1) inner bottom and two ends reach the outer band valve sender base table of housing (1), be installed in housing (1) inner tip and with band valve sender base table pre-payment control device that joins and the stepping motor driving type register (2) that is installed in housing (1) inner tip and joins with the pre-payment control device; Said band valve sender base table comprises table body (3-1), joins with table body (3-1) and is used for the number conversion of table body (3-1) impeller turning collar is become the signal transmitter (3-2) of electric signal and is used to accomplish the cut off the water supply ball valve (3-3) operated and join with ball valve (3-3) and drive the actuating unit (3-4) that ball valve (3-3) moves of confession; Said pre-payment control device comprises controller module (4-1), the data storage circuitry module (4-2) of joining with controller module (4-1) and the power module (4-3) of giving each power unit power supply in the pre-payment control device; The input end of said controller module (4-1) is connected to base table sender interface module (4-4), IC-card interface module (4-5) and DLL circuit module (4-6); The output terminal of said controller module (4-1) is connected to register interface module (4-7), base table ball valve control interface circuit module (4-8), liquid crystal display circuit module (4-9) and buzzer alarm circuit module (4-10); The input end of the output terminal of said IC-card interface module (4-5) and data storage circuitry module (4-2) joins; The input end of said base table sender interface module (4-4) and signal transmitter (3-2) join; The output terminal of said register interface module (4-7) and stepping motor driving type register (2) join; The output terminal of said base table ball valve control interface circuit module (4-8) and actuating unit (3-4) join; All outer housing (1) top that is exposed at of said stepping motor driving type register (2) and liquid crystal display circuit module (4-9), said IC-card interface module (4-5) is outer to be exposed on housing (1) sidewall.

2. according to the described IC-card prepay water meter with anti-down stop & go function of claim 1, it is characterized in that: said controller module (4-1) is single-chip microcomputer MSP430F413.

3. according to the described IC-card prepay water meter of claim 2 with anti-down stop & go function; It is characterized in that: said power module (4-3) comprises lithium battery (4-31), polarity free capacitor C1 and C2; Inductance L 1 and L2; Electrochemical capacitor CL3 and CL5, and the bipod connector J1 that is used to connect lithium battery (4-31); The pin 1 of said bipod connector J1 and pin 2 join with the positive pole and the negative pole of lithium battery (4-31) respectively; The negative pole of said lithium battery (4-31) meets simulation ground AGND; One end of the end of said polarity free capacitor C1, the end of polarity free capacitor C2 and inductance L 1 all joins with the pin 1 of bipod connector J1; The other end of the other end of the other end of said polarity free capacitor C1, polarity free capacitor C2 and inductance L 1 all joins with the pin 2 of bipod connector J1; The end of the other end of said inductance L 1 and electrochemical capacitor CL3 and the end of electrochemical capacitor CL5 joins and be the output terminal VDD of power module (4-3), the other end of the other end of said inductance L 2, electrochemical capacitor CL3 and the other end of electrochemical capacitor CL5 all meet digitally GND.

4. according to the described IC-card prepay water meter with anti-down stop & go function of claim 3, it is characterized in that: said data storage circuitry module (4-2) comprises chip 24C02, resistance R M1, RM2, R39 and R41, and positive-negative-positive triode QVCM1 and QVCM2; The pin 1 of said chip 24C02, pin 2, pin 3, pin 4 and pin 7 all meet digitally GND; The pin 5 of said chip 24C02 joins with the end of resistance R M1 and the pin 47 of single-chip microcomputer MSP430F413; The pin 6 of said chip 24C02 joins with the end of resistance R M2 and the pin 46 of single-chip microcomputer MSP430F413; The other end of the pin 8 of said chip 24C02, the other end of resistance R M1 and resistance R M2 all joins with the collector of positive-negative-positive triode QVCM2; The base stage of said positive-negative-positive triode QVCM2 and an end of resistance R 39 join; The pin 48 of the other end of said resistance R 39 and single-chip microcomputer MSP430F413 joins; The collector of said positive-negative-positive triode QVCM1 and IC-card interface module (4-5) join; The base stage of said positive-negative-positive triode QVCM1 and an end of resistance R 41 join, and the pin 50 of the other end of said resistance R 41 and single-chip microcomputer MSP430F413 joins, and the emitter of the emitter of said positive-negative-positive triode QVCM1 and positive-negative-positive triode QVCM2 all joins with the output terminal VDD of power module (4-3).

5. according to the described IC-card prepay water meter of claim 3 with anti-down stop & go function; It is characterized in that: said base table sender interface module (4-4) comprises resistance R W1, RW2, RW3, RW4 and RW5; Capacitive compensator CW15 and CW16; NPN type triode QW1 and positive-negative-positive triode QW2, and be used for the bipod connector J2 that is connected with signal transmitter (3-2); The end of said resistance R W1 and the end of capacitive compensator CW15 all join with the pin 1 of bipod connector J2; The base stage of the end of the other end of said capacitive compensator CW15 and resistance R W2 and NPN type triode QW1 is joined; The emitter of said NPN type triode QW1 and the other end of resistance R W2 all meet simulation ground AGND; The collector of said NPN type triode QW1 joins with the end of resistance R W4 and the pin 33 of single-chip microcomputer MSP430F413, and the positive pole of the other end of said resistance R W4 and lithium battery (4-31) joins; The end of the other end of said resistance R W1 and capacitive compensator CW16 all joins with the pin 2 of bipod connector J2; The base stage of the end of the other end of said capacitive compensator CW16 and resistance R W3 and positive-negative-positive triode QW2 is joined; The pin 34 of the emitter of said positive-negative-positive triode QW2 and the end of resistance R W5 and single-chip microcomputer MSP430F413 joins, and the collector of said positive-negative-positive triode QW2 and the other end of resistance R W3 all join with the positive pole of lithium battery (4-31); Another termination simulation ground AGND of said resistance R W5.

6. according to the described IC-card prepay water meter of claim 4 with anti-down stop & go function; It is characterized in that: said IC-card interface module (4-5) comprises capacitor C 16; Resistance R C10, RC11, RC12, RC13, RC14, RC15, RC17 and RC18, and the seven pin connector J4 that are used to insert IC-card; The pin 1 of said seven pin connector J4 joins with the end of resistance R C12; One end of the other end of said resistance R C12, capacitor C 16 and the end of resistance R C15 all join with the pin 49 of single-chip microcomputer MSP430F413; The output terminal VDD of the other end of said resistance R C15 and power module (4-3) joins; The pin 2 of said seven pin connector J4 joins with the end of resistance R C13; The end of the other end of said resistance R C13 and resistance R C10 all joins with the pin 52 of single-chip microcomputer MSP430F413; The pin 3 of said seven pin connector J4 and the other end of capacitor C 16 all meet digitally GND; The end of the pin 4 of said seven pin connector J4, the other end of resistance R C10 and resistance R C11 all joins with the collector of positive-negative-positive triode QVCM1, and the pin 5 of said seven pin connector J4 joins with the end of resistance R C14, and the other end of the other end of said resistance R C14 and resistance R C11 all joins with the pin 53 of single-chip microcomputer MSP430F413; The pin 6 of said seven pin connector J4 joins with the end of resistance R C17; The pin 51 of the other end of said resistance R C17 and single-chip microcomputer MSP430F413 joins, and the pin 7 of said seven pin connector J4 joins with the end of resistance R C18, and the pin 32 of the other end of said resistance R C18 and single-chip microcomputer MSP430F413 joins.

7. according to claim 2 or 3 described IC-card prepay water meters with anti-down stop & go function; It is characterized in that: said register interface module (4-7) comprises and is used for the bipod connector J3 that joins with stepping motor driving type register (2); The pin 1 of said bipod connector J3 joins with the pin 6 of single-chip microcomputer MSP430F413, and the pin 2 of said bipod connector J3 joins with the pin 5 of single-chip microcomputer MSP430F413.

8. according to the described IC-card prepay water meter of claim 3 with anti-down stop & go function; It is characterized in that: said base table ball valve control interface circuit module (4-8) comprises the five pin connector J7 that are used for being connected with actuating unit (3-4); Capacitor contactor CDJ1; Resistance QR1, QR2, QR3, QR4, QR5, QR6, RMP1 and RMP2, positive-negative-positive triode QQ3 and QQ4, and NPN type triode QQ1, QQ2, QQ5 and QQ6; The emitter of the end of said resistance QR1, NPN type triode QQ2 and the end of resistance QR6 all join with the pin 3 of single-chip microcomputer MSP430F413; The end of the emitter of said NPN type triode QQ1, the end of resistance QR5 and resistance QR2 all joins with the pin 2 of single-chip microcomputer MSP430F413; The base stage of the other end of said resistance QR1 and NPN type triode QQ1 is joined; The collector of said NPN type triode QQ1 and the end of resistance QR3 join; The base stage of the other end of said resistance QR3 and positive-negative-positive triode QQ3 is joined; The emitter of the emitter of said positive-negative-positive triode QQ3 and positive-negative-positive triode QQ4 all joins with the positive pole of lithium battery (4-31); The collector of the collector of said positive-negative-positive triode QQ3, NPN type triode QQ5, the end of capacitor contactor CDJ1 all join with the pin 1 of five pin connector J7; The collector of the collector of said positive-negative-positive triode QQ4, NPN type triode QQ6, the other end of capacitor contactor CDJ1 all join with the pin 2 of five pin connector J7, and the base stage of said positive-negative-positive triode QQ4 and the end of resistance QR4 join, and the collector of the other end of said resistance QR4 and NPN type triode QQ2 joins; The base stage of said NPN type triode QQ2 and the other end of resistance QR2 join; The base stage of said NPN type triode QQ5 and the other end of resistance QR5 join, and the base stage of said NPN type triode QQ6 and the other end of resistance QR6 join, and the emitter of the emitter of said NPN type triode QQ5 and NPN type triode QQ6 all meets simulation ground AGND; The pin 3 of said five pin connector J7 and the end of resistance R MP2 all join with the pin 59 of single-chip microcomputer MSP430F413; The pin 4 of said five pin connector J7 and the end of resistance R MP1 all join with the pin 60 of single-chip microcomputer MSP430F413; The other end of the other end of said resistance R MP2 and resistance R MP1 all joins with the output terminal VDD of power module (4-3), and the pin 5 of said five pin connector J7 joins with the pin 4 of single-chip microcomputer MSP430F413.

9. according to the described IC-card prepay water meter with anti-down stop & go function of claim 3, it is characterized in that: said liquid crystal display circuit module (4-9) comprises TN section-type LCD liquid crystal display and resistance R A, RB, RA1, RB1, RA2, RC, RC1 and the RD with 20 pins; The pin 1 of said TN section-type LCD liquid crystal display and the end of resistance R A1 all join with the pin 39 of single-chip microcomputer MSP430F413; The pin 2 of said TN section-type LCD liquid crystal display and the end of resistance R B1 all join with the pin 38 of single-chip microcomputer MSP430F413; Pin 3, pin 5 and the pin 6 of the end of the other end of said resistance R A1, the other end of resistance R B1, resistance R A and the end of resistance R B and TN section-type LCD liquid crystal display all joins with the end of resistance R C and the end of resistance R A2; The pin 26 of the other end of said resistance R A and single-chip microcomputer MSP430F413 joins; The pin 27 of the other end of said resistance R B and single-chip microcomputer MSP430F413 joins; The pin 4 of said TN section-type LCD liquid crystal display joins with the end of resistance R C1 and the end of resistance R D; The other end of the other end of said resistance R C and resistance R C1 all joins with the pin 37 of single-chip microcomputer MSP430F413; The other end of the other end of said resistance R A2 and resistance R D all joins with the pin 36 of single-chip microcomputer MSP430F413, and the corresponding successively respectively pin 25～12 with single-chip microcomputer MSP430F413 of the pin 7～20 of said TN section-type LCD liquid crystal display joins.

10. according to the described IC-card prepay water meter of claim 3 with anti-down stop & go function; It is characterized in that: said buzzer alarm circuit module (4-10) comprises resistance R A15, capacitor C A35, NPN type triode Q4 and hummer LS2; The end of said resistance R A15 and the pin 44 of single-chip microcomputer MSP430F413 join; The base stage of the other end of said resistance R A15 and NPN type triode Q4 and the end of capacitor C A35 join; The collector of said NPN type triode Q4 and the negative pole of hummer LS2 join; The positive pole of the positive pole of said hummer LS2 and lithium battery (4-31) joins, and the emitter of the other end of said capacitor C A35 and NPN type triode Q4 all meets simulation ground AGND.