CN106652212B - Smart card gas meter - Google Patents

Abstract

A kind of smart card gas meter, the function of supplying metering return gas meter, and the function of toll administration returns circuit.The valve that can be automatically closed without electricity is installed in mechanical gas meter, and is superimposed code-type smart card circuitry on mechanical gas meter；During gas supply, each gas supply specific mechanical switch charge state generated with the metering of the mechanical detection of gas meter instantaneously powers on immediately, carries out new round gas supply after the communication of smart card interactive mode, data exchange confirmation charge；After being unsatisfactory for continuing to complete when new round Supplying gas condition and having charged air demand, it is not required to supply power supply, automatically shuts down gas meter inner valve；Management, control, charge all have the unified metering reading for meeting measurement Law purpose of legislation；Facilitate and implements ladder gas price；Realize that electronic money is exchanged with the closed loop payment of cargo in kind；Thoroughly eliminating traditional non-electrical quantity measurement technology gives mechanical/electrical caused by existing smart card class gas meter double metering, double control, dual displays, and the whole industry violates the great illegal status of national measurement method on a large scale.

Description

Smart card gas meter

Technical field

The present invention relates to a kind of flow measurement devices；Toll administration, device are carried out more specifically to a kind of smart card Interior circuit only instantaneously powers on charge during each round supplies, and carries out instant agreement encryption communication and toll administration, opens dress Set the valve of interior installation；Electric power is not required to when being unsatisfactory for Supplying gas condition can automatically shut down the smart card gas meter of device inner valve.

Background technique

Current stage public smart card gas meter, although just in large-scale promotion application, still in research and hair Open up the primary stage tried out, used.First is that smart card techniques as information technology, by leaps and bounds improve its safety and The scope of application of practical application；Second is that being answered for the physical terminal gas supply point implementation information management that gas supply network disperses in this way When the best applications scope for being smart card techniques；Third is that the adaptation of the management means of the physical terminal gas supply point of gas supply network dispersion The policy, laws and regulations and the management whether product and technical standard of problem, that is, smart card gas meter itself adapt to country are wanted It asks.Fourth is that the policy management requirement of the staged gas price of some local governments and gas supply administrative department.Current stage existing machine Tool gas meter, it is main using the measurement such as membrane type box " volumetric method " by the airflow volume of gas meter, with mechanical digital idler wheel (character wheel) or Digital indication on gear top shows instantaneous flow and integrated flow reading.Mechanical gas meter quantification stability is reliable.Smart card Gas meter is that non-electricity measure device and circuit are superimposed on mechanical gas meter, will pass through the gas flow signals of mechanical gas meter through mould Quasi-/number conversion (A/D conversion) is obtained the electronical reading of mechanical gas meter flow with this at electronic impulse digital signal, and accumulated Electronic impulse number is read as integrated flow, using this electronic flow reading as charge according to progress toll administration.Smart card After gas meter collects gas expense, then by the electronic digit amount for collecting gas expense be converted into gas supply analog quantity (D/A conversion), control gas meter in Valve carries out air supply pipe gas.Gas meter circuit is managed gas supply with gas information by the smart card of information carrier.User because When smart card being pooled to management computer the reasons such as to supplement with money, centre management computer passes through the intelligence to information network terminal Card is collected the data etc. of user, manages.

By above-mentioned narration it is found that 1, existing smart card gas meter has the mechanical data and electronic data by tolerance, it is Double measure reading is read with double measure and realizes electronics and mechanical double control, and aobvious with electronical display tolerance and machinery Show that the dual display of tolerance carries out management of deducting fees of charging.Therefore there are major design defects: existing simultaneously mechanical metering and electricity Son two kinds of continuous datas of metering, two kinds of metric results！Such measurement instrument, purpose of legislation " the unified metering with measurement Law Standard " is disagreed, and is illegal measurement instrument！That is daily gas supply, with gas, payment management be all electronic data, metering Detection, control and display are the result is that mechanical data, and electronic data is the electronic impulse adulterium product during mechanical detection；One It is a with destiny according to two kinds of displays, there may be two kinds of different metering readings: paying is based on the electricity of mechanical metering reading Subpulse adulterium product, controlling gas supply with gas is also electronic impulse adulterium product；And if electronic data occurs in actual management and machine Tool reading is inconsistent, and air supply pipe gas department then provides occur being subject to mechanical display data, electronic data only conduct when disunity Reference data！This professional violates national measurement method " unified measurement criteria " this basic purpose of legislation on a large scale Phenomenon cannot it is long-term, be permanently present down！2, the necessary 24 hours uninterrupted power supplies of existing smart card gas meter, even if only circuit is stopped Atomic small power supply under dormancy state, but must power just and have electronic measurement pulse, it measured if power failure, deduct fees, close valve It cannot achieve, smart card gas meter management work is with regard to failure, failure！But even battery top quality in the world is just at present Being often used in lifetime also has certain sudden death crash rate；When needing relatively high power drive motor to close gas meter inner valve, If necessarily leading to the out of control of intelligent gas meter because the configured power supply of a variety of causes or storage capacitor cannot supply electric current！Mesh Before, install the Farad capacitors of large capacity additional on many intelligent gas watch circuits, here it is actual dual power supplies, reduce mistake The occurrence of control, but do not tackle the problem at its root, there is new gas supply phenomenon of the failure again instead, electronics gas meter is normal Because power issue cause gas supply interrupt, and replace battery, change gas meter turn from side to side user's work consuming time-consuming increase management cost, replacement electricity Pond influences gas supply gas, increases the pipe of air supply pipe gas company at a highly professional routine work of electronics gas meter Manage cost and workload.3, due to the shutdown work at user for a long time of many gas meters, the external credit sealing of gas meter is easily broken It is bad, especially there is circuit in electrical type gas meter, the external credit lead sealing of gas meter is a big problem, and there are management blind spots.

Summary of the invention

Therefore, it is necessary to which researching and developing one kind meets the requirement of national measurement method, read from detection metering, the cummulative metering of mechanical flow Number, management through quantification, charge is deducted fees, valve controls, and all only uses a kind of smart card gas meter of mechanical metering reading；The function of metering Return gas meter, charge, the function of controlling return circuit；Simultaneously, it is necessary to meet the policy management requirement of ladder gas price；To reduce or prevent Power supply is to the adverse effect of smart card gas meter, and smart card gas meter should be when charge is deducted fees, and circuit just instantaneously works on power, Lump sum settlement of all charges management is carried out by smart card；After all, what we finally researched and developed is gas supply " gas meter ", is not household " electric appliance "！ Each gas meter only has unique code；Computer by managing smart card numbers the name of user, address, gas meter, is logical News mode, the size of population, charge mode etc. of deducting fees are managed, and gas price, time, progressive price factors COMPREHENSIVE CALCULATING is added Toll administration.If not meeting continuation Supplying gas condition, according to management condition after the tolerance that supplied to have charged, it is automatically closed without power supply Mechanical gas meter inner valve stops gas supply.Gas meter circuit, which does not depend on working power, can take off electricity work, only instantaneously power in charge Work, gas meter inner valve can be automatically closed without power supply.And by smart card gas meter from internal cryptographic locking.Realize metering system If one, being supplied with destiny according to single transmitting and display, charge, closed-loop stabilization is reliable, prevents illegal Nondestructive attack, without gas expense It also must be able to shutdown table inner valve without electricity, adapt to the smart card intelligence gas meter of economy, state-of-art at this stage, realize comprehensively Gas supply information system management just becomes inevitable.

The technical problem to be solved in the present invention is that double meterings, double control, the illegal measurement problem of dual display；The prior art Smart card gas meter existing for a gas supply destiny according to having mechanical data and electronic data, two kinds of stoichiometric numbers of a gas supply simultaneously According to no unified metering violates the outrage of national measurement method！The present invention realizes that mechanical continuous data meets a charge Unit, the current potential that must answer for occurring as soon as mechanical switch is charged state, only confirmed to receive gas expense, and it is all just to generate next gas supply Phase；Realize that metering is unified, reliable according to single transmitting and display, charge gas supply closed-loop stabilization with destiny, from principle, thorough in structure Eliminate the electrical type gas meter whole industry, the extensive double metering roots for violating national measurement method in bottom.

The invention solves second technical problem be that electrical type gas meter is without electric measurement problem；A kind of according with is provided The de- electric programme of work of electrical type gas meter that can also accurately measure when closing Supplying gas condition without power supply, i.e., also can accurately complete without electricity Mechanical metric results are converted into electronic charging, e-management data.Absolutely not be detection of electrons metering i.e. pair meterings, double control, The illegal metering of dual display！Existing smart card gas meter is fundamentally solved not power without electricity or and may not measure or measure not Accurate problem.

The invention solves third technical problem be, it is no electricity close valve problem；Although existing intelligence gas meter it is many plus Second source (such as Farad capacitors of large capacity) but still there are circuit damage, battery supply and farad capacitor failure, Not the problem of not closing valve；Uninterruptedly supply in gas meter, only in gas supply during check electron equipment when determining Supplying gas condition Instantaneous power collects gas expense or verifies other Supplying gas conditions；Next round gas supply expense is collected if normal, and gas supply continues；If cannot receive When next round being taken to supply expense, gas meter inner valve can be also automatically shut down without power supply.

The invention solves the 4th problem be credit lead sealing problem；Solve the external credit lead sealing of smart card gas meter Problem: with simplest mechanical structure from inside to circuit block encryption locking protection, maintenance in gas meter shell and overall structure, table When using being driven in the reverse direction maintenance and inspection of uncapping, external credit lead sealing is solved from equipment to daily pipe gas and supplies bring hidden danger.

The invention solves the 5th problem be, various Supplying gas conditions be unsatisfactory for and stopped gas supply when, provide one Kind emergence button ensures that user's gas interests, here it is pay interim emergency in advance for airway dysfunction to add overdraw for release；

The invention solves the 6th problem be the requirement of the policy management of ladder gas price.

The invention solves the 7th problem be the use of battery, replacement, maintenance issues；Solve smart card gas meter Battery safeguards that strongly professional, replacement is difficult in long-term use, and electrical type gas meter occurs causing gas meter cannot be just because of power issue Often work, gas supply disruption；It is proposed that a kind of outer battery altering, installation is extremely convenient, redundancy is big, facilitates user voluntarily to grasp Make；The solution of battery, circuit is not damaged because of user's replacement battery misoperation.Inside and outside battery is used in parallel, uses electricity Source protection switching circuit, when external reference voltages are higher than interior power, interior power is not powered, and is saved and is used interior power, allows interior battery Lengthen the life, is more advantageous to the long-term stable operation of gas meter.

The technical solution adopted by the present invention is that:

A kind of such solution is provided: inventing a kind of smart card gas meter for meeting measurement Law legal requirements！In machinery Analog/digital (A/D) conversion and D/A (D/A) conversion are completely eliminated or cancelled in Natural gas meter inspection metering, electronic charging management, are eliminated Mechanical/electrical double measure, double control, dual display, to meet the method for the unified measurement criteria of national measurement method requirement Laws & Regulations；Realize that the function of gas meter returns gas meter, the function of charge returns the smart card gas meter of charge！: the electronics gas meter of de- electricity work: It instantaneously works on power when electronic equipment is only charged during gas supply, the more conducively reliable and stable work of air feed equipment itself； Figuratively, what is usually supplied is exactly gas meter, is only smart card when charging.Each gas meter is invested from internal circuit, outside Portion marks associated unique code, using smart card management computer powerful database and management function, utilizes intelligence Card information carrier function, acquisition process supply pay imformation, are managed concentratedly, charged to gas supply；There is the large capacity long-life Interior cell basis on, add the external power that operation can be convenient for changing by user oneself；Using power protection switching circuit, outside When supply voltage is higher than interior power, interior power is not powered, and is saved and is used interior power, is more advantageous to the long-term stable operation of gas meter. The connection of external power and circuit uses bridge, and the electric power polarity being likely to occur when being fully solved user oneself replacement external power is asked Topic；The valve that can be automatically closed without electricity is installed in gas meter, management control is more reliable；Realize that electronic money is reached with cargo in kind To complete closed loop pay exchange: the air demand exported gas supply midway carry out instant messaging charge, as a result (charge successfully or Failure) to input terminal, verification of being charged, numerical value transmitting, process management, real-time control, decides to continue with gauge check output feedback Gas supply or gas supply finish valve opening and close valve, reach complete closed-loop control；Metric results show unified continuous data: the gas expense of input It is always identical with the air demand of output；It is alerted when being unsatisfactory for Supplying gas condition and continuously uninterruptedly continues to complete getter After taking air demand, device inner valve can be automatically shut down by being not required to supply electric power；Circuit instantaneously works on power during each round gas supply And when meeting Supplying gas condition, starts motor in table and restore the initial state that control mechanism is supplied to a new round；Single mechanical digital Display only executes that electronic digit instructs as a result, e-command just has unconditionally by Machinery Ministry after the completion of executing at the beginning simultaneously Divide and forces to continue to execute irrevoable characteristic；When various Supplying gas conditions, which are unsatisfactory for, to be supplied to user, used as ensureing The family gas supply special means of gas, are arranged special key, pay overdraw gas expense in advance, or open circuit key by using having ready conditions, A kind of emergency gas supply administrative mechanism is provided；The satisfactory intelligence implementing the control of centralization toll administration and being combined with Decentralization control Treibgas table solution.

Wherein the main inventive method of technical solution or thinking are:

The circuit board (1) in antimagnetic smart card gas meter shell (80) being superimposed on mechanical gas meter (50), has been mounted with intelligence The circuit and display screen (96) of energy card network terminal program；When smart card (93) is contactless, circuit board has radio on (1) Communication module, circuit board (1) are electrically connected smart card start-up circuit magnetic switch (4)；When smart card (93) is contact, circuit board (1) there are smart card deck (95) on；Circuit board (1), which has instantaneously to power on, to be interacted formula with intellective IC card and communicates with code telegram, stores number According to the function of exchange；Circuit board (1) has the function that can judge and execute Open valve (5) instruction, and has driving micro speed reducing electricity The power driving circuit of motivation (19)；Invested on every smart card (93) and the memory of corresponding circuit board (1) it is identical and Unique digital and electronic code；The internal code of digital, each gas meter circuit of air demand character wheel (52) display of each gas meter, Gas meter code corresponding in smart card (93) and air demand, management content are corresponded through verification；In mechanical gas meter (50) Gas supply access (53) on be equipped with without the pilot valve valve (5) that can also be automatically closed of electricity；Mechanical gas meter (50) stop gas supply, Valve (5) is closed, and control column (34) acts on the switch K1 (25) being mounted on control arm (13), and switch K1 (25), which is in, to be closed State, when in smart card (93) without gas expense, the emergence button (3) pressed on antimagnetic smart card gas meter shell (80) can be to circuit Plate (1) powers on and start-up circuit plate (1) work, and circuit board (1) is had ready conditions to be powered on to micro speed reducing motor (19) positive direction, micro- Unidirectional drive arm (83) drive control arm (13) positive direction partial rotational in the rotation axis (21) of type decelerator (19) is opened Open valve (5)；When control column (34) and switch K1 (25) are detached from, switch K1 (25) is in an off state, press emergence button (3) The gas expense in smart card (93) and gas supply situation can be powered on and checked to circuit board (1)；Gas supply in mechanical gas meter (50) The valve (5) being automatically closed when not adding control without electricity is installed on access (53)；The interior structure of valve (5) is by valve body (6), rubber Glue bowl (7), lever (8), magnetic slide valve (9), strut (27), slide valve (32), valve frame (10) composition；Rubber bowl has guide on (7) Hole (28), discharge orifice (29), ear (30)；There is the door curtain made of cloth (54) to make reinforcing rib in rubber bowl (7) entirety, have increase resistance to compression in bottom The stiffening plate (31) of intensity；Stiffening plate (31) process it is coarse into rubber bowl (7) front surface, be covered with micro hole；Valve frame (10) It is close to shell (51) on mechanical gas meter；It is mounted on the having valve frame (10) outside of shell (51) on mechanical gas meter, in valve frame (10) Have valve (5), the external structure of valve (5) has control arm (13), and the mutually inverted magnet 1 of magnetic pole is equipped on control arm (13) (11), magnet 2 (12), switch K1 (25), switch K2 (26), also combination be equipped with spring swaging clamp 1 (15), spring swaging clamp 2 (16), Spring swaging clamp 3 (17)；The antimagnetic valve rack (63) of micro speed reducing motor (19) will be installed, with more pillars (70) and machine Shell (51) is fixed together on tool gas meter；Can on mechanical gas meter the control arm (13) of partial rotational on shell (51), installation On mechanical gas meter between shell (51) and antimagnetic valve rack (63)；In the rotation axis (21) of micro speed reducing motor (19), There is the unidirectional drive arm (83) that may act on control arm (13) and switch K2 (26)；In the positive energization of micro speed reducing motor (19) Rotation, when unidirectional drive arm (83) drive control arm (13) opens the partial rotational of valve (5) as positive direction, magnet 1 (11), magnetic Iron 2 (12) shell (51), valve frame (10) and magnetic slide valve (9) magnetic action respectively, magnet 1 (11) on mechanical gas meter turn to The top for not arriving respective middle line with magnetic slide valve (9), identical charges repel each other with magnetic slide valve (9), and inwardly, magnetic slide valve (9) passes through magnetic slide valve (9) The slide valve (32) that lever (8), strut (27), lever (8) other end pierce into ear (30) decontrols discharge orifice (29), and drives rubber Bowl (7) is moved to valve port (81) direction is left, to open valve (5)；Unidirectional drive arm (83) drive control arm (13) is opened It opens valve (5) to disengage, continue to rotate at switch K2 (26) with control arm (13) afterwards, switch K2 (26) be disconnected, circuit Plate (1), micro speed reducing motor (19) power-off, a valve opening driving are completed；During opening valve (5), magnetic is not turned to Respectively identical charges repel each other the magnet 1 (11) of middle line and magnetic slide valve (9) above slide valve (9) power and magnet 2 (12) and magnetic slide valve (9) The power that there is a natural attraction between the sexes provides the kinetic energy that control arm (13) is rotated to closing direction, thus during Open valve (5), Energy needed for valve (5) being closed, being deposited in magnet 1 (11), identical charges repel each other, magnet 2 (12) and magnetic are sliding with magnetic slide valve (9) In valve (9) displacement that there is a natural attraction between the sexes；Identical charges repel each other with magnetic slide valve (9) by magnet 1 (11) for control arm (13) during gas supply Active force, there is a natural attraction between the sexes magnet 2 (12) and magnetic slide valve (9) active force, make opposite direction and close being rotated by control for valve (5), Magnet 2 (12) turns to magnetic slide valve (9) top, and there is a natural attraction between the sexes with magnetic slide valve (9), and outward, magnetic slide valve (9) passes through thick stick to magnetic slide valve (9) Bar (8), strut (27), lever (8) other end for piercing into ear (30) slide valve (32) push rubber bowl (7) to close to valve port (81) direction moves, and slide valve (32) compresses discharge orifice (29), rubber bowl (7), thus Shuttoff Valve (5)；Turn in control arm (13) When dynamic, control column (34) on antimagnetic valve rack (63) is acted on switch K1 (25), and switch K1 (25) is closed or broken by control It opens；Drawn in gas meter measurement gear group (36) and count quantitative wheel (64), count quantitative wheel (64) have band control notch 1 (66), The quantitative axis (65) for controlling notch 2 (67), controlling notch 3 (68)；Spring swaging clamp 1 (15), spring swaging clamp 2 on control arm (13) (16), spring swaging clamp 3 (17) and control notch 1 (66), control notch 2 (67), control notch 3 (68) are opposite one by one and mutual Effect: spring swaging clamp 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17) are respectively acting on control when quantitative axis (65) rotate Notch 1 (66) processed, control notch 2 (67), control notch 3 (68)；Spring swaging clamp 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17) blade is in bending state, can make elastic telescopic in stress；In the rotation axis (21) of micro speed reducing motor (19) There are also buckles to uncap spring (40), with buckle uncap the rotation of spring (40) opposite direction when interact, be mounted in mechanical gas In fixing lock frame (74) on table (50) band pintle spring latch (43), band pintle spring latch (43) on be cased with latch bolt spring (41)；The opposite side of fixing lock frame (74) on mechanical gas meter (50) has fixed lock tongue (44), corresponding with fixed lock tongue (44) There are fixed lockhole (69) on the inside of the antimagnetic smart card gas meter shell (80) at position；There is dispatch from foreign news agency on antimagnetic smart card gas meter shell (80) Pond box (56)；Battery case (56) is electrically connected with circuit board (1) by bridge rectifier；Interior battery (37) and outer battery (38) use Parallel connection power supply protective switch circuit, and be electrically connected by normally closed switch K3 (82) with circuit board (1).

Some explanations are made to inventive method or thinking below:

In this scheme of the invention, digital and electronic code on the memory of circuit board (1), on shell on gas meter (51) Associated gas meter code (62) is consistent；It is also consistent with smart card (93) code to match；The air demand character wheel of each gas meter (52) number shown and number, the payment situation on every smart card (93) built-in storage are also consistent；Electronic code, intelligence Block the case where content stored in (93) is to the corresponding gas meter of management computer: air demand, gas expense, management content, through verifying It corresponds；Significant position on every gas meter, with gas meter code it is arranged side by side be the communication contact mode for supplying manager.Due to Toll administration of the invention be mechanical switch current potential must induction signal, be not pulse signal, will not disappear, only acknowledging receipt of Valve opening instruction can be just issued after gas expense, therefore is completely reliable toll administration.Without gas expense in circuit board (1), smart card (93), Circuit will not send out valve opening gas supply instruction, and until smart card (93) is connect by user with circuit board (1), (contact intelligent card (93) is inserted Enter smart card deck (95) or contact type intelligent card (93) on circuit board (1) and is placed on the intelligent card start-up electricity of designated position starting Road magnetic switch (4)), by emergence button (3), first is that knowing no gas expense, second is that confirming, third is that smart card is written in overdraw information (93), just overdraw reopens valve (5) gas supply.In the pressure environment in mechanical gas meter (50), only band ear (30), let out Rubber bowl (7) and lever (8), the strut (27) and magnetic slide valve (9) of discharge orifice (29), pilot hole (28) and stiffening plate (31), Increase the reliable long-term working of device.Magnetic slide valve (9) is made respectively across valve frame (10) and magnet 1 (11), magnet 2 (12) With.On the valve frame (10) outside mechanical gas meter (50) pressure environment, one only can be to collect on the control arm (13) of restricted rotational movement At almost all of several parts, component: magnet 1 (11), magnet 2 (12), switch K1 (25), switch K2 (26) and group Spring swaging clamp 1 (15), spring swaging clamp 2 (16), the spring swaging clamp 3 (17) being combined；It is installed on antimagnetic valve rack (63) In the rotation axis (21) of micro speed reducing motor (19), there are unidirectional drive arm (83) and buckle to uncap spring (40)；Unidirectional drive Arm (83) forward direction valve opening, buckle spring (40) of uncapping reversely are uncapped.Control column (34) control on antimagnetic valve rack (63) is opened Close K1 (25), unidirectional drive arm (83) acts on switch K2 (26) micro speed reducing motor (19)；Shell (51) on mechanical gas meter On pillar (70) valve frame (10) and antimagnetic valve rack (63) are fixed together, thus by entire control arm (13) and control All parts, component on arm (13) processed are mounted on mechanical gas meter between shell (51) and antimagnetic valve rack (63)；Switch K2 (26) is a position switch, rotates in control arm (13) and completes valve opening movement, switch K2 (26) touches control pillar 2 (35), power-off signal is issued, to complete a wheel gas supply valve opening driving.The counting drawn from gas meter measurement gear group (36) is quantitative It takes turns on the quantitative axis (65) of (64), control corresponding with spring swaging clamp 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17) lacks 1 (66) of mouth, control notch 2 (67), control notch 3 (68), which are also drawn, is mounted on valve frame (10) and antimagnetic valve rack (63) Between.

Illustrate: magnet 1 (11) turns to above magnetic slide valve (9), is not the top being completely coincident, but poor one Point, less than the top of two magnet middle lines, in this way by magnetic slide valve (9) act on, the suction of the repulsion and magnet 2 (12) of magnet 1 (11) Power can just be directed toward closing direction.

Another invention thinking changed is on control arm only with a magnet: magnet 1 (11)；In the interior of valve (5) Add automatic shutoff spring (48) above the slide valve (32) of structure.Equally, magnet 1 (11) turns to above magnetic slide valve (9), has not been Full weight close top, but almost, less than the top of two magnet middle lines, the repulsion of magnet 1 (11) can just be directed toward close valve side To specific inventive method or thinking are:

The valve (5) that can be also automatically closed without electricity, valve are installed on the gas supply access (53) in mechanical gas meter (50) (5) interior structure is by valve body (6), rubber bowl (7), lever (8), magnetic slide valve (9), strut (27), slide valve (32), automatic shutoff spring (48), valve frame (10) forms；There are pilot hole (28), discharge orifice (29), ear (30) on rubber bowl (7), rubber bowl (7) is whole Inside there is the door curtain made of cloth (54) to make reinforcing rib, have the stiffening plate (31) for increasing compression strength in bottom；Stiffening plate (31) is being processed into rubber Bowl (7) front surface is coarse, is covered with micro hole；Magnetic slide valve (9) acts on the slide valve of the other end by lever (8), strut (27) (32) the automatic shutoff spring (48) and on slide valve (32)；The external structure of valve (5) has control arm (13), and control arm is installed on (13) There are magnet 1 (11), switch K1 (25), switch K2 (26), also combination is mounted with spring swaging clamp 1 (15), spring swaging clamp 2 (16), bullet Spring swaging clamp 3 (17)；It is mounted on unidirectional in the rotation axis (21) of the micro speed reducing motor (19) on antimagnetic valve rack (63) Actuating arm (83), when drive control arm (13) makees positive direction partial rotational Open valve (5), magnet 1 (11) is across mechanical gas Identical charges repel each other for shell (51), valve frame (10) and magnetic slide valve (9) on table, and inwards, magnetic slide valve (9) passes through lever to magnetic slide valve (9) (8), strut (27), pierce into ear (30) slide valve (32) drive rubber bowl (7) moved to valve port (81) direction is left, slide valve (32) discharge orifice (29) are decontroled, while compresses automatic shutoff spring (48), to open valve (5)；Do not turn to magnet 1 completely (11) with magnetic slide valve (9) the respectively magnet 1 (11) of middle line and magnetic slide valve (9) identical charges repel each other power, provide control arm (13) to The kinetic energy of closing direction rotation；To be deposited in magnetic during Open valve (5), energy needed for valve (5) being closed In iron 1 (11) and magnetic slide valve (9) displacement that identical charges repel each other and automatic shutoff spring (48) compressed spring deformation；It supplied Control arm (13) is by identical charges repel each other magnet 1 (11) and magnetic slide valve (9) active force in journey, make opposite direction close valve (5) by Control rotation, for a wheel gas supply by the end of, magnet 1 (11) is rotated away from magnetic slide valve (9), automatic shutoff spring (48) release compression Power, magnetic slide valve (9) is passive outward, and automatic shutoff spring (48) band movable pulley (32), rubber bowl (7) are to close to valve port (81) direction Movement, slide valve (32) compresses discharge orifice (29), rubber bowl (7), thus Shuttoff Valve (5).The valve that can be also automatically closed without electricity (5) pilot valve valve is used.

Either with a magnet 1 (11), or with the magnet 1 (11) and magnet 2 (12) of two magnet, valve (5) Interior structure can install automatic shutoff spring (48).

In view of failure fully and completely swings to the management requirement of pass valve automatically, it is impossible to tolerate product in user's office work It is medium-term and long-term to be in failure valve opening working condition out of control, solve the problems, such as that this invention thinking is:

The external structure of valve (5) has control arm (13), increases on control arm (13) electromagnet (14), and by electromagnet (14) it is fixed on control arm (13)；Valve opening is received in circuit board (1) to instruct in micro speed reducing motor (19) positive direction Electricity, while also being powered on to electromagnet (14), the actuating rod (20) of electromagnet (14) overcomes self gravity and electromagnet spring (18) Spring force, stretch out upwards, act on electromagnet actuating rod in the rotation of the unidirectional drive arm (83) of micro speed reducing motor (19) (20), thus drive control arm (13) Open valve (5)；Micro speed reducing motor (19) continues to rotate middle unidirectional drive arm (83) It is disengaged with the actuating rod (20) of electromagnet (14), continues to rotate middle unidirectional drive arm (83) and withstand switch K2 (26) and will control Arm (13) disconnects switch K2 (26) toward closing direction top, unidirectional drive arm (83), circuit board (1), micro speed reducing motor (19), electromagnet (14) powers off, and electromagnet actuating rod (20) contracts under self gravity and the collective effect of electromagnet spring (18) In telegram in reply magnet (14)；Spring swaging clamp (1) on control arm (13) is withstood on the quantitative axis (65) for counting quantitative wheel (64), once Valve opening driving is completed.

Implement the invention has the following advantages:

1, the present invention realizes the most basic purpose of legislation of measurement Law: unified measurement criteria！It will terminate current electrical type The gas meter whole industry violates the history of national measurement method on a large scale.The electrical type gas meter whole industry will likely be corrected, will be set in same metering Simultaneously using the extensive illegal status of two kinds of continuous datas of mechanical continuous data and electronic measurement data in standby；Implement this hair It is bright, it is shown using single mechanical detection/number character wheel and is read by the instantaneous flow size and integrated flux of gas meter, uniformly use gas Amount reading；Electronic signal is the charge gas supply instruction of mechanical switch, unconfirmed to receive gas expense and never disappear.Thoroughly solve existing machine Tool detects electrical type gas meter double metering, dual display, the major design defects of double control of measuring instrument.

2, the present invention realizes the de- electricity work of house electric instrument；Breaching traditional non-electrical quantity measurement technology must be according to Rely the classical mode of the normal gage work of uninterrupted power supply ability；Improve stability, the reliability of gas supply and gas supply metering.

3, the built-in no electric valve of the present invention remains to normal switching-off valve when not receiving gas expense, gas meter and without electricity, significantly Ground improves the quality and benefits of management.

4, the present invention realizes electronic money and exchanges with the closed loop payment of cargo in kind！It inputs (payment charge) and output (gas supply) has complete corresponding control planning, i.e. the result of output end feeds back to input terminal, realizes closed-loop automatic control.Using It is mechanical during gas supply instantaneously to power on communication charge, can not receive gas expense and do not die immediately, but gas expense is paid in alarm notification, after The continuous mode for having supplied gas not electricity consumption automatic stabilisation to close valve, e-command execute at the beginning and just have after the completion unconditionally by machinery Part forces to continue to execute irrevoable property, convenient for users to use, also facilitates the maintenance management of gas supply manager, The interests of user and manager are unified.

5, present invention accomplishes the requirements of the policy management of ladder gas price, due to being that each round gas supply receives primary expense, Implement the place of ladder gas price, the clock of holding circuit, the program that ladder gas price is added is solved with regard to satisfactory.

6, simple structure of the invention implements locking to entire gas meter inside gas meter, prevents non-gas supply management maintenance personal Gas meter lead sealing and gas meter inner components are voluntarily opened or dismantled to illegal non-destructive.Improve long-period of management safety and can By property.If being attacked, ruin power supply, attack circuit, destroy structure etc., gas meter need to stop after the completion of a wheel gas supply for when, no Need any electric energy with regard to automatic-closing valve.If attack will damage attacker oneself；To oneself property or living facilities into Row Subversive attack, only loss would not occur under normal circumstances without income；Therefore there is high attack resistance Property.

In short, the present invention is that city supplies information system management and proposes good solution, from equipment, technically mention The effective management of strength, control, executive means are supplied；And thoroughly solve electrical type gas meter at this stage, the whole industry, deposit on a large scale Electronic data/mechanical data double metering, double control, the illegal measurement instrument problems of dual display.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 smart card gas meter structural schematic diagram

The schematic block circuit diagram of Fig. 2 smart card gas meter

Fig. 3 control arm only uses the smart card gas meter structural schematic diagram an of magnet

Fig. 4 smart card gas meter valve automatically shuts down status diagram without electricity

Fig. 5 smart card gas meter motor driven Open valve schematic diagram

The charge of Fig. 6 smart card gas meter exchanges control figure with gas supply closed loop payment

Fig. 7 smart card gas meter locking closure device electro-mechanical structures schematic diagram

Fig. 8 smart card gas meter Mechanically programm control figure

Fig. 9 another kind spring swaging clamp

There is the smart card gas meter structural schematic diagram of control electromagnet on Figure 10 control arm

In figure, 1, circuit board 3, emergence button 4, smart card start-up circuit magnetic switch 5, valve 6, valve body 7, rubber Glue bowl 8, lever 9, magnetic slide valve 10, valve frame 11, magnet 1 12, magnet 2 13, control arm 14, electromagnet 15, spring Swaging clamp 1 16, spring swaging clamp 2 17, spring swaging clamp 3 18, electromagnet spring 19, micro speed reducing motor 20, actuating rod 21, Rotation axis 22, contact intelligent card card inserting mouth 24, magnetic slide valve shell 25, switch K1 26, switch K2 27, strut 28, elder generation Guide hole 29, discharge orifice 30, ear 31, stiffening plate 32, slide valve 33, magnetic slide valve magnet 34, control column 35, control pillar 2 36, measurement gear group 37, interior battery 38, outer battery 40, buckle uncap spring 41, latch bolt spring 43, band pintle springlock Tongue 44, fixed lock tongue 47, swaging clamp limit fixed screw 48, automatic shutoff spring 49, measurement gear box 50, mechanical gas meter 51, shell 52 on mechanical gas meter, character wheel 53, gas supply access 54, the door curtain made of cloth 55, mechanical gas meter lower casing 56, battery case 59, Circuit power indication light diode 60, communication modes method 61, lockhole 1 62, gas meter code 63, antimagnetic valve rack 64, quantitatively wheel 65, quantitative axis 66, control notch 1 67, control notch 2 68, control notch 3 69, lockhole 2 70, branch are counted Column 71, quantitative axis cushion rubber 74, fixing lock frame 77, switch limited post 78, outlet port 79, inlet port 80, antimagnetic intelligence It can treibgas watch case 81, valve port 82, normally closed switch K3 83, unidirectional drive arm 84, control arm axle 85, swaging clamp 1 86, card Knife 2 87, spring 1 89, spring 2 90, spring 3 91, has gas expense indication light diode 92, unidirectional drive arm at swaging clamp 3 88 Spring 93, smart card 94, unidirectional drive arm spring 95, smart card deck 96, display screen

Specific embodiment

The present invention is implemented as follows: in mechanical membrane type gas meter, by the throughput of gas meter, the membrane type volume through gas meter The mechanical detection of formula measuring box is measured, the gear transmitting in measurement gear box (49) through measurement gear group (36), by variable Integrated flow and instantaneous flow reading are shown with the number on the mechanical digital character wheel (52) of rotation or gear top；In tolerance Variable transfer wheel in, set a metered amount grade appropriate, such as family is often set in 0.1 cubic metre of meter with gas meter On amount wheel, quantitatively (64) are taken turns as counting.It is exactly 1 cubic metre of throughput that this, which counts quantitative one circle of wheel (64) rotation, as every The charge basic unit of one wheel gas supply.If the more big orifice gas meter of bigger air demand, it is correspondingly just located at higher metering grade On such as 1 cubic metre or 10 cubic metres, 100 cubic metres of measurement wheel.On the wheel shaft for counting quantitative wheel (64), in different height position It sets, on the position of different angle, promising three convenient for circuiting sequentially control in rotation are arranged and quantitatively control notch: control lacks 1 (66) of mouth, control notch 2 (67), quantitative notch 3 (68)；One quantifies after notch turns round followed by next quantitative notch； It is spring swaging clamp 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17) correspondingly with each quantitative notch；By Spring Card Knife 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17) middle bent, the spring for alloing it to stretch as length use.Bullet Spring swaging clamp 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17) combination are mounted on control arm (13).

It is illustrated below with reference to example diagram.In example diagram, in order to show the structure of major part more clear, in figure By some secondary structures made to move or gas meter original structure in the part that is not required to make to state made omission appropriate, to several zero Component, it is convenient for diagram such as the shape of spring swaging clamp, position and number, it is also different；Meanwhile front is made all It is described in detail, explanation below has just made omission appropriate more.

Fig. 1 is smart card gas meter structural schematic diagram, and Fig. 1 status display is magnet 1 (11) and magnetic on control arm (13) Identical charges repel each other for slide valve (9), magnetic slide valve (9) by lever (8), strut (27), pass through rubber bowl (7) on ear (30) slide valve (32), rubber bowl (7) are pulled to move to valve port (81) direction is left, the discharge orifice (29) on rubber bowl (7) is opened, valve (5) in the open state.The course of work of Fig. 1 is described below.First set the state of air intake valve (5) to close, such as Fig. 4 state: two polarity inverted magnet 1 (11) and magnet 2 (12) each other are fixed on control arm (13) side by side；Due to magnet There is a natural attraction between the sexes for 2 (12) and magnetic slide valve (9), and magnetic slide valve (9) acts on the slide valve (32) of the other end by lever (8), strut (27), The discharge orifice (29) on rubber bowl (7) is compressed across the slide valve (32) of ear (30) on rubber bowl (7), gas enters rubber bowl (7), Rubber bowl (7) closing valve mouth (81), rubber bowl (7) external and internal pressure on the inside of valve (5) is identical, forms rubber bowl (7) bottom With the pressure difference on the outside of valve (5), to enable the state of air intake valve (5) to close.In this state, control arm (13) Switch K1 (25) is closed by control column (34) effect, switch K1 (25), constitutes "AND" circuit current potential letter with normally closed switch K2 (26) Number, circuit board (1) powers on, circuit power indication light diode (59) instantaneous light emission, if the memory in circuit board (1) has gas Take, handles output Open valve instruction through circuit board (1), micro speed reducing motor (19) positive direction powers on, and micro speed reducing is electronic Unidirectional drive arm (83) drive control arm (13) in machine (19) rotation axis (21), spring swaging clamp 3 (17) on control arm (13), Spring swaging clamp 2 (16), spring swaging clamp 1 (15) inclined-plane successively contacted with quantitative axis (65), spring swaging clamp 3 (17), spring swaging clamp 2 (16), spring swaging clamp 1 (15) successively " is bent over " through quantitative axis (65)；In magnet 2 (12) and valve (5) on control arm (13) The magnetic slide valve (9) of structure separates, magnet 1 (11) enter with magnetic slide valve (9) respectively center line less than position, identical charges repel each other, magnetic Slide valve (9) passes through lever (8), strut (27), will pierce into slide valve (32) the pull-off discharge orifice that ear (30) blocks discharge orifice (29), Valve (5) is opened, and starts normal gas supply, as shown in Figure 1；After unidirectional drive arm (83) drive control arm (13) opens valve (5), It continues to rotate and is disengaged with control arm (13), turned to at switch K2 (26), pressing disconnects switch K2 (26), circuit board (1) power-off, micro speed reducing motor (19) power-off, and control arm (13) is pushed to rotate to closing direction, spring swaging clamp 1 (15) turns It moves at quantitative axis (65), is blocked by quantitative axis (65)；So far, a valve opening is completed.During gas supply, quantitative wheel (64) is counted It is rotated with flow, spring swaging clamp 1 (15) passes through control notch 2 (67), spring by control notch 1 (66), spring swaging clamp 2 (16) Swaging clamp 3 (17) is withstood on the control notch 3 (68) of quantitative axis (65), is rotated with quantitative wheel (64) is counted with flow, control arm (13) the switch K1 (25) on touches control column (34), and switch K1 (25) closes, and circuit board (1) powers on, if circuit board (1) After memory has gas expense, charge to deduct fees successfully, in the case where still valve opening normally supplies, gas supply operation next time starts: Circuit board (1) is powered on to micro speed reducing motor (19), the unidirectional drive in the rotation axis (21) of micro speed reducing motor (19) Arm (83) drive control arm (13), spring swaging clamp 2 (16), spring swaging clamp 1 (15) inclined-plane successively contacted with quantitative axis (65), " bending over " by quantitative axis (65), unidirectional drive arm (83), which is continued to rotate, to be disengaged with control arm (13), continues to rotate closing Switch K2 (26), circuit board (1) power-off, micro speed reducing motor (19) power-off, control arm (13) rollback, spring swaging clamp 1 (15) Rollback turns at quantitative axis (65), is blocked by quantitative axis (65)；So far, in normal gas supply, next round charge gas supply Valve opening is completed.The unlatching situation of valve (5), state as shown in Figure 5.The gas supply of charge one one for so repeating an another wheel of wheel is received Take -- gas supply process.Display screen (96) only shows deducted fees use and residual amount.If circuit board (1) powers on, circuit board (1) is deposited Reservoir does not have gas expense, and charging, it is unsuccessful to deduct fees, and display screen (96) is shown without gas expense, has gas expense indication light diode (91) short Time flashing, circuit board (1) audible alarm, micro speed reducing motor (19) do not power on, circuit board (1) power-off；Continue to supply, it is fixed Axis (65) rotation is measured, until spring swaging clamp 3 (17) is by the control notch 3 (68) on quantitative axis (65), on control arm (13) Magnet 1 (11), magnet 2 (12) and magnetic slide valve (9) interact, and control arm (13) goes back to valve position, and magnet 2 (12) is across machine There is a natural attraction between the sexes for shell (51), valve frame (10) and magnetic slide valve (9) on tool gas meter, and magnetic slide valve (9) is displaced outwardly, magnetic slide valve (9) band Dynamic lever (8), strut (27), the slide valve (32) for passing through ear (30), slide valve (32) is mobile to valve port (81) direction, blocks and lets out Discharge orifice (29), gas enter rubber bowl (7) from pilot hole (28), and rubber bowl (7) inner and outer air pressure is identical, and magnetic slide valve (9) passes to The power of slide valve (32) is blocked valve port (81), and valve (5) is closed.How to be interacted about circuit board (1) and smart card (93) Formula encryption communication, how protocol data storage exchanges, and does not just add to describe herein.About gas meter circuit board (1) without take alarm, electricity Road stops interactive encryption communication, and user removes paying, and overdraw restores gas supply, that is, one in advance by emergence button (3) A program data handles problem, just seldom discusses herein.

The normal gas supply of one wheel, the dynamic distance restored with control arm (13) by driving of Spring Card swivel is exactly spring swaging clamp 1 (15) distance of the edge of a knife to spring swaging clamp 3 (17) edge of a knife, only several millimeters.Do not owing gas expense, bank's withholding or unified clearing In the normal gas supply operation of gas expense, the situation for closing valve can not occur！The operation of smart card gas meter is only in a wheel gas supply Midway is instant, instantaneously checks and accepts gas expense, and starting gas meter control mechanism restores to a new round for gaseity, and instantaneous operation was less than one second.

Fig. 3 is that there was only the control smart card gas meter structural schematic diagram of magnet on control arm (13), i.e., has only used one Magnet 1 (11) has used a magnet 2 (12) less, but one is increased above valve frame (10) internal spool valve (32) from closing Disconnected spring (48).A strong magnet has been used due to few, has been reduced costs；The sharpest edges of this scheme are, in control arm (13) when being removed, valve (5) can still be in closed state naturally.The course of work of Fig. 3 and almost phase described in Fig. 1 Together.It the difference is that only, due to only having used the magnet 1 (11) for being in magnetic slide valve (9) identical charges repel each other state, magnet 2 (12) effect is replaced by automatic shutoff spring (48).The course of work is set forth below: having on the gas supply access (53) of gas meter and is not adding The valve (5) being automatically closed when control without electricity, the interior structure of valve (5) is by valve body (6), rubber bowl (7), lever (8), magnetic slide valve (9), strut (27), automatic shutoff spring (48), valve frame (10) composition；There are pilot hole (28), discharge orifice on rubber bowl (7) (29), ear (30) have the stiffening plate (31) for increasing compression strength in rubber bowl (7) bottom；Magnetic slide valve (9) by lever (8), Strut (27) acts on the automatic shutoff spring (48) above the slide valve (32) and slide valve (32) of the other end；The external structure of valve (5) Have control arm (13), be equipped on control arm (13) magnet 1 (11), switch K1 (25), switch K2 (26), spring swaging clamp 1 (15), Spring swaging clamp 2 (16), spring swaging clamp 3 (17)；Have micro speed reducing motor (19) on antimagnetic valve rack (63), micro speed reducing electricity Unidirectional drive arm (83) in the rotation axis (21) of motivation (19) acts on control arm (13) and switch K2 (26)；In control arm (13) when making positive direction restricted rotational movement Open valve (5) by unidirectional actuating arm (83) driving, magnet 1 (11) is on mechanical gas meter Identical charges repel each other for shell (51), valve frame (10) and magnetic slide valve (9), and inwards, magnetic slide valve (9) passes through lever (8), branch to magnetic slide valve (9) Bar (27), the slide valve (32) for piercing into ear (30) drive rubber bowl (7) to move to valve port (81) direction is left, and slide valve (32) is put Discharge orifice (29) are opened, while compressing automatic shutoff spring (48), to open valve (5)；Do not turn to magnet 1 (11) and magnetic completely Slide valve (9) the respectively magnet 1 (11) of middle line and magnetic slide valve (9) identical charges repel each other power, provide control arm (13) to closing direction The kinetic energy of rotation；To which during Open valve (5), energy needed for closing valve (5) is deposited in magnet 1 (11) In magnetic slide valve (9) displacement that identical charges repel each other and automatic shutoff spring (48) compressed kinetic energy；Control arm during gas supply (13) by identical charges repel each other magnet 1 (11) and magnetic slide valve (9) active force, that makees that opposite direction closes valve (5) has control to rotate, and one Wheel gas supply is by the end of, and magnet 1 (11) is rotated away from above magnetic slide valve (9), automatic shutoff spring (48) discharges compressing force, magnetic slide valve (9) it passively sliding in and out, automatic shutoff spring (48) band movable pulley (32), rubber bowl (7) are moved to close to valve port (81) direction, Slide valve (32) compresses discharge orifice (29), rubber bowl (7), thus Shuttoff Valve (5).Other courses of work are identical with Fig. 1 ?.

Fig. 2 is the schematic block circuit diagram of smart card gas meter, has circuit board (1) to be handed in this circuit with smart card (93) Mutual formula communicates with code telegram, data exchange, storage；Key is that circuit board (1) does not power on usually, do not work, also not under fire；Only one Wheel gas supply is more than half, and spring swaging clamp 3 (17) is pressed on the quantitative notch 3 (68) of quantitative axis, and control arm (13) turns to switch K1 (25) and at control column (34), circuit board (1) powers on instantaneous work, and circuit is instantaneous just to micro speed reducing motor (19) after charge Direction power supply ..., this process does not just repeat.The rules and regulations for referring here to air supply pipe gas getter expense, either prepay It is settled accounts after expense or confession, can not receive gas expense just has one effectively manage control, supervise the problem of paying gas expense.Gas meter of the present invention is The more preferable solution of this problem.

Fig. 4, which is smart card gas meter valve, automatically shuts down status diagram without electricity, and Fig. 5 is that smart card gas meter motor driven is opened Valve state schematic diagram.Since detailed narration has been made in front, just repeat no more.

Fig. 6 is that the charge of smart card gas meter exchanges control figure with gas supply closed loop payment, this figure illustrates electronic money and reality The complete closed loop payment exchange of object cargo: the air demand of output carries out instant toll administration in gas supply midway, as a result (charges successfully Or failure) output feedback arrive input terminal, through charge verification, gauge check, numerical value transmitting, process management, real-time control, decision after Continuous gas supply or gas supply finish valve opening/pass valve, reach complete closed-loop control；Metric results show unified continuous data: input (is received Take) gas expense and the air demand of output it is always identical；Particularly in view of the particularity of gas supply and resident living, even if not New gas expense is received, can not be died immediately, to continue to supply, is buffered to one with Qihu.

Fig. 7 is smart card gas meter locking closure device electro-mechanical structures schematic diagram, during normal gas supply, control arm (13) quilt When unidirectional drive arm forward driving valve opening in rotation axis (21), the spring (40) of uncapping of the buckle in rotation axis (21) is rotated forward Band pintle spring latch (43) is touched, due to elastic reaction, the two " passing each other so close that they almost rubbed each other " does not work；When uncapping, circuit board is given (1) input, which is uncapped, overhauls instruction, and micro speed reducing motor (19) rotates backward, and unidirectional drive arm (83) does not connect with switch K2 (26) Touching, the spring (40) of uncapping of the buckle in rotation axis (21) tangle band pintle spring latch (43), overcome the bullet of latch bolt spring (41) Power will exit the lockhole (61) on the inside of antimagnetic smart card gas meter shell (80) with pintle spring latch (43), with regard to completing to uncap.

Fig. 8 is smart card gas meter Mechanically programm control figure, has made detailed narration before the course of work of this figure, just not It repeats again.

Fig. 9 is the schematic diagram of another spring swaging clamp on control arm (13)；It can be respectively by swaging clamp 1 (85) and spring 1 (88) It forms spring swaging clamp 1 (15)；Spring swaging clamp 2 (16) is formed by swaging clamp 2 (86) and spring 2 (89)；By swaging clamp 3 (87) and spring 3 (90) spring swaging clamp 3 (17) are formed.Action principle is identical, and effect inclined plane shape and the spring swaging clamp of swaging clamp are identical.But Due to hairspring to be used, durability, reliability will be paid special attention in technique and materials'use.

Figure 10 is the smart card gas meter structural schematic diagram for having control electromagnet on control arm (13)；Control arm increases on (13) Add an electromagnet (14), and is fixed on control arm (13)；Circuit board (1) receive valve opening instruct it is electronic to micro speed reducing While machine (19) forward direction powers on, also powered on to electromagnet (14), the actuating rod (20) of electromagnet overcomes self gravity and electromagnetism The spring force of iron spring (18) stretches out upwards, acts on electricity in unidirectional drive arm (83) rotation of micro speed reducing motor (19) Magnet actuating rod (20), drive control arm (13), identical charges repel each other magnet 1 (11) and magnetic slide valve (9) Open valve (5), opening valve Unidirectional drive arm (83) continues to rotate door (5) afterwards, and unidirectional drive arm (83) is disengaged with electromagnet actuating rod (20), unidirectional to drive Swing arm (83), which continues to rotate, withstands switch K2 (26), and by control arm (13) to closing direction top, spring swaging clamp 1 (15) withstands on counting On the quantitative axis (65) of quantitative wheel (64), unidirectional drive arm (83) turns off switch K2 (26), circuit board (1), micro speed reducing electricity Motivation (19), electromagnet (14) power-off, actuating rod (20) drop back into electricity by the gravity of itself and the active force of electromagnet spring (18) In magnet (14), valve (5) opening process terminates, and other mechanisms are identical with the opening process of front, just no longer It repeats；In Figure 10 electromagnet (14) also facilitates horizontal positioned, but like that just by the not gravity of actuating rod (20).Note Meaning, due to electromagnet position, the positive direction of micro speed reducing motor (19) valve opening is counterclockwise, with it in Figure 10 Its figure is different.When the advantage of this scheme is failure without electricity also completely, thoroughly swing to pass valve automatically.

Claims (4)

1. a kind of smart card gas meter, the smart card network including mechanical gas meter, the valve being mounted in gas meter and information system management Terminating circuit；

The wherein mechanical gas meter, measurement gear group (36) and air demand character wheel (52) including carrying out metering transmitting, valve It (5) include valve body (6), the circuit board (1) of control valve (5) unlatching and the mechanical control mechanism without electric automatic-closing valve (5)；

It is characterized in that, the circuit board (1) in the antimagnetic smart card gas meter shell (80) being superimposed on mechanical gas meter (50), installation There are the circuit and display screen (96) of smart card network terminal program；When smart card (93) is contactless, circuit board has on (1) Radiocommunication module, circuit board (1) are electrically connected smart card start-up circuit magnetic switch (4)；When smart card (93) is contact, There are smart card deck (95) on circuit board (1)；Circuit board (1) have instantaneously power on intellective IC card interact formula communicate with code telegram, The function of storing data exchange；Circuit board (1) has the function that can judge and execute Open valve (5) instruction, and has driving miniature The power driving circuit of decelerator (19)；It is invested on every smart card (93) and the memory of corresponding circuit board (1) Identical and unique digital and electronic code；Each gas meter air demand character wheel (52) display digital, each gas meter circuit it is interior Portion's code, in smart card (93) corresponding gas meter code and air demand, management content through verification correspond；In mechanical gas meter (50) valve (5) that can be also automatically closed without electricity is installed on the gas supply access (53) in；Mechanical gas meter (50) stop gas supply, Valve (5) is closed, and control column (34) acts on the switch K1 (25) being mounted on control arm (13), and switch K1 (25), which is in, to be closed State, when in smart card (93) without gas expense, the emergence button (3) pressed on antimagnetic smart card gas meter shell (80) can be to circuit Plate (1) powers on and start-up circuit plate (1) work, and circuit board (1) is had ready conditions to be powered on to micro speed reducing motor (19) positive direction, micro- Unidirectional drive arm (83) drive control arm (13) positive direction partial rotational in the rotation axis (21) of type decelerator (19) is opened Open valve (5)；When control column (34) and switch K1 (25) are detached from, switch K1 (25) is in an off state, press emergence button (3) The gas expense in smart card (90) and gas supply situation can be powered on and checked to circuit board (1)；Gas supply in mechanical gas meter (50) The valve (5) being automatically closed when not adding control without electricity is installed on access (53)；The interior structure of valve (5) is by valve body (6), rubber Glue bowl (7), lever (8), magnetic slide valve (9), strut (27), slide valve (32), valve frame (10) composition；Rubber bowl has guide on (7) Hole (28), discharge orifice (29), ear (30)；There is the door curtain made of cloth (54) to make reinforcing rib in rubber bowl (7) entirety, have increase resistance to compression in bottom The stiffening plate (31) of intensity；Stiffening plate (31) process it is coarse into rubber bowl (7) front surface, be covered with micro hole；Valve frame (10) It is close to shell (51) on mechanical gas meter；Have valve (5) in valve frame (10), the external structure of valve (5) has control arm (13), control The mutually inverted magnet 1 (11) of magnetic pole, magnet 2 (12), switch K1 (25), switch K2 (26) are installed on arm (13), also combined Spring swaging clamp 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17) are installed；Micro speed reducing motor (19) will be installed Antimagnetic valve rack (63) is fixed together with more pillars (70) and shell (51) on mechanical gas meter；It can be on mechanical gas meter The control arm (13) of partial rotational on shell (51), be mounted on mechanical gas meter shell (51) and antimagnetic valve rack (63) it Between；In the rotation axis (21) of micro speed reducing motor (19), there is the unidirectional drive that may act on control arm (13) and switch K2 (26) Swing arm (83)；In the positive rotation that is powered of micro speed reducing motor (19), unidirectional drive arm (83) drive control arm (13) is made square When to the partial rotational for opening valve (5), magnet 1 (11), magnet 2 (12) shell (51), valve frame on mechanical gas meter (10) with magnetic slide valve (9) magnetic action respectively, magnet 1 (11) turns to the top for not arriving respective middle line with magnetic slide valve (9), sliding with magnetic Identical charges repel each other for valve (9), and inwardly, magnetic slide valve (9) pierces into ear by lever (8), strut (27), lever (8) other end to magnetic slide valve (9) The slide valve (32) of piece (30) decontrols discharge orifice (29), and rubber bowl (7) is driven to move to valve port (81) direction is left, to open Port valve door (5)；Unidirectional drive arm (83) drive control arm (13) Open valve (5) disengages with control arm (13) afterwards, continues It turns at switch K2 (26), switch K2 (26) is disconnected, circuit board (1), micro speed reducing motor (19) power-off, a valve opening Driving is completed；During opening valve (5), the magnet 1 (11) and magnetic slide valve of respective middle line above magnetic slide valve (9) are not turned to (9) power that identical charges repel each other and magnet 2 (12) and magnetic slide valve (9) power that there is a natural attraction between the sexes, provide control arm (13) to closing direction The kinetic energy of rotation, to be deposited in magnet 1 (11) during Open valve (5), energy needed for valve (5) being closed Identical charges repel each other, in magnet 2 (12) and magnetic slide valve (9) displacement that there is a natural attraction between the sexes with magnetic slide valve (9)；Control arm during gas supply (13) by identical charges repel each other magnet 1 (11) and magnetic slide valve (9) active force, there is a natural attraction between the sexes magnet 2 (12) and magnetic slide valve (9) effect Power makees opposite direction and closes being rotated by control for valve (5), and magnet 2 (12) turns to different with magnetic slide valve (9) above magnetic slide valve (9) Property it is attracting, magnetic slide valve (9) outward, magnetic slide valve (9) by lever (8), strut (27), pierce into ear (30) lever (8) it is another The slide valve (32) at end pushes rubber bowl (7) to move to close to valve port (81) direction, and slide valve (32) compresses discharge orifice (29), rubber Bowl (7), thus Shuttoff Valve (5)；Control column (34), effect when control arm (13) rotate, on antimagnetic valve rack (63) In switch K1 (25), switch K1 (25) is closed or is disconnected by control；It is drawn in gas meter measurement gear group (36) and counts quantitative wheel (64), counting quantitative wheel (64) has with control notch 1 (66), control notch 2 (67), the quantitative axis (65) for controlling notch 3 (68)； Spring swaging clamp 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17) and control notch 1 (66) on control arm (13), control lack 2 (67) of mouth, control notch 3 (68) are opposite one by one, and interact: spring swaging clamp 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17) are respectively acting on control notch 1 (66), control notch 2 (67) when quantitative axis (65) rotate, and control notch 3 (68)；Bullet Spring swaging clamp 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17) blade be in bending state, elastic telescopic can be made in stress； There are also buckles to uncap spring (40) in the rotation axis (21) of micro speed reducing motor (19), uncaps spring (40) negative side with buckle To interacting when rotation, the band pintle spring latch that is mounted in the fixing lock frame (74) on mechanical gas meter (50) (43), latch bolt spring (41) are cased on band pintle spring latch (43)；Pair of fixing lock frame (74) on mechanical gas meter (50) Side has fixed lock tongue (44), has fixing lock on the inside of the antimagnetic smart card gas meter shell (80) at position corresponding with fixed lock tongue (44) Hole (69)；There are outer battery case (56) on antimagnetic smart card gas meter shell (80)；Battery case (56) is whole by bridge-type with circuit board (1) Flow device electrical connection；Interior battery (37) and outer battery (38) use parallel connection power supply protective switch circuit, and pass through normally closed switch K3 (82) it is electrically connected with circuit board (1)；Pilot valve valve is used without the valve (5) that electricity can also be automatically closed.

2. smart card gas meter according to claim 1, it is characterised in that: the interior structure of valve (5) is by valve body (6), rubber Bowl (7), lever (8), magnetic slide valve (9), strut (27), slide valve (32), automatic shutoff spring (48), valve frame (10) composition；Rubber There are pilot hole (28), discharge orifice (29), ear (30) on bowl (7), there is the door curtain made of cloth (54) to make reinforcing rib, bottom in rubber bowl (7) entirety There is the stiffening plate (31) for increasing compression strength in portion；Stiffening plate (31) process it is coarse into rubber bowl (7) front surface, be covered with it is small Hole；Magnetic slide valve (9) acts on the automatic shutoff bullet on the slide valve (32) and slide valve (32) of the other end by lever (8), strut (27) Spring (48)；The external structure of valve (5) has control arm (13), and magnet 1 (11) is equipped on control arm (13), switch K1 (25), is opened It closes K2 (26), also combination is mounted with spring swaging clamp 1 (15), spring swaging clamp 2 (16), spring swaging clamp 3 (17)；It is mounted on antimagnetic valve Unidirectional drive arm (83) in the rotation axis (21) of micro speed reducing motor (19) on bracket (63), in drive control arm (13) When making positive direction partial rotational Open valve (5), magnet 1 (11) shell (51), valve frame (10) and magnetic on mechanical gas meter Identical charges repel each other for slide valve (9), and inwards, magnetic slide valve (9) passes through lever (8), strut (27), the cunning for piercing into ear (30) to magnetic slide valve (9) Valve (32) drives rubber bowl (7) to move to valve port (81) direction is left, and slide valve (32) decontrols discharge orifice (29), while compressing certainly Turn off spring (48), to open valve (5)；The magnet 1 of magnet 1 (11) and magnetic slide valve (9) respective middle line is not turned to completely (11) with magnetic slide valve (9) identical charges repel each other power, the kinetic energy that control arm (13) is rotated to closing direction is provided；To in opening valve During door (5), energy needed for valve (5) being closed, be deposited in magnet 1 (11) and magnetic slide valve (9) identical charges repel each other In displacement and automatic shutoff spring (48) compressed spring deformation；Control arm (13) is sliding by magnet 1 (11) and magnetic during gas supply Valve (9) identical charges repel each other active force makees opposite direction and closes being rotated by control for valve (5), a wheel gas supply will at the end of, magnet 1 (11) it is rotated away from magnetic slide valve (9), automatic shutoff spring (48) release compressing force, magnetic slide valve (9) is passive outward, automatic shutoff spring (48) band movable pulley (32), rubber bowl (7) are moved to close to valve port (81) direction, and slide valve (32) compresses discharge orifice (29), rubber Glue bowl (7), thus Shuttoff Valve (5).

3. smart card gas meter according to claim 1, it is characterised in that: have valve (5) in valve frame (10), valve (5) External structure have control arm (13), increased on control arm (13) electromagnet (14), and electromagnet (14) is fixed on control arm (13) on；It receives valve opening in circuit board (1) and instructs and powered on to micro speed reducing motor (19) positive direction, while also giving electromagnet (14) it powering on, the actuating rod (20) of electromagnet (14) overcomes the spring force of self gravity and electromagnet spring (18), it stretches out upwards, Electromagnet actuating rod (20) are acted in unidirectional drive arm (83) rotation of micro speed reducing motor (19), thus drive control arm (13) Open valve (5)；Micro speed reducing motor (19) continues to rotate the effect of middle unidirectional drive arm (83) and electromagnet (14) Bar (20) disengages, and continues to rotate middle unidirectional drive arm (83) and withstands switch K2 (26) and by control arm (13) past closing direction top, Unidirectional drive arm (83) disconnects switch K2 (26), circuit board (1), micro speed reducing motor (19), electromagnet (14) power-off, electricity Magnet actuating rod (20) is retracted under the collective effect of self gravity Yu electromagnet spring (18) in electromagnet (14)；Control arm (13) the spring swaging clamp 1 (15) on is withstood on the quantitative axis (65) for counting quantitative wheel (64), and a valve opening driving is completed.

4. smart card gas meter according to claim 1, it is characterised in that: spring swaging clamp 1 (15), bullet on control arm (13) Spring swaging clamp 2 (16), spring swaging clamp 3 (17) can form spring swaging clamp 1 (15) by swaging clamp 1 (85) and spring 1 (88) respectively；By card Knife 2 (86) and spring 2 (89) composition spring swaging clamp 2 (16)；Spring swaging clamp 3 (17) is formed by swaging clamp 3 (87) and spring 3 (90).