CN103743448A - Safe-cutoff remote control intelligent gas meter - Google Patents
Safe-cutoff remote control intelligent gas meter Download PDFInfo
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- CN103743448A CN103743448A CN201410032923.5A CN201410032923A CN103743448A CN 103743448 A CN103743448 A CN 103743448A CN 201410032923 A CN201410032923 A CN 201410032923A CN 103743448 A CN103743448 A CN 103743448A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/528—Mechanical actuating means with crank, eccentric, or cam with pin and slot
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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Abstract
The invention discloses a safe-cutoff remote control intelligent gas meter and belongs to gas meters. The safe-cutoff remote control intelligent gas meter comprises a meter body provided with a gas inlet and a gas outlet. The gas inlet is provided with a cutoff valve. The gas meter further comprises a signal collection and processing circuit and a safe-cutoff IC card intelligent gas meter terminal microcomputer controller. The cutoff valve is connected to the safe-cutoff IC card intelligent gas meter terminal microcomputer controller through a cutoff valve control circuit. The signal collection and processing circuit is used for collecting volume of gas flowing the meter body in real time and transmitting the volume to the safe-cutoff IC card intelligent gas meter terminal microcomputer controller in real time; when detected abnormalities, such as low flow leakage and high flow anomaly, occur to the meter body in output, the cutoff valve on the meter body can be closed in real time, a warning is given out, burning or explosion caused by excess gas leakage is avoided, and life and property safety of people is protected.
Description
Technical field
The present invention relates to a kind of gas meter, flow meter, in particular, the present invention relates generally to a kind of safety cut-off type remote-control intelligent gas meter.
Background technology
Remote-control intelligent gas meter with sell gas management system and carry out exchanges data, selling gas management system is transferred to relevant control instruction, load value data etc. in remote-control intelligent gas meter by wired or wireless transmission method, relevant information in remote-control intelligent gas meter turns back to by same transmission mode the gas management system of selling again simultaneously, by using remote-control intelligent gas meter and selling gas management system, gas company can the relevant remote-control intelligent gas meter of real-time management.But the remote-control intelligent gas meter using is used safe unusual condition but not have effective, reliable technological means to carry out security management to there is relevant combustion gas in combustion gas use procedure, while in use there is unusual condition in combustion gas, may produce leakage, catch fire, the situation such as blast, be unfavorable for the safety management of gas company, also the life to people and property safety are brought great hidden danger simultaneously.When combustion gas generation low discharge leaks, the detection means that existing remote-control intelligent gas meter is not correlated with judges this gas leak phenomenon, effectively not default mechanism is carried out closing of valve and takes image and audible alarm, and the leakage of combustion gas cannot be processed in time.
Existing remote-control intelligent gas meter does not have abnormal large flow pipe road to cut off management and relevant alarm mechanism, when occurring rupturing or coming off to the gas pipe line of kitchen range, the abnormal large flow of combustion gas leaks and cannot be turn-offed in time, combustion gas spreads in user's kitchen space, produce the potpourri of combustion gas and air, in the time of can arriving the concentration of gas explosion very soon, exist and blast and the substantial risk of fire.In daily life, people are often when cooking food, there is other thing delay, thereby caused for a long time mess kit is heated, when arriving certain hour segment length, the mess kit possibility ignition on kitchen range, existing remote-control intelligent gas meter can not limit the length of the time period of normal use combustion gas, in this case, possible initiation fire, produces great security incident.
The aspirated pressure of outside gas pipe line may change because of certain reason, existing remote-control intelligent gas meter cannot be monitored this pressure and be changed, when supply gas pressure is too low, remote-control intelligent gas meter cannot be learnt, continuation is to gas equipment air feed, may cause the fault of gas equipment, as cutoff, gas leakage etc.
In being used, remote-control intelligent gas meter there is other unusual condition in addition, gas leakage for example occurs to cut off when reporting to the police or not using for a long time, existing remote-control intelligent gas meter does not have coherent detection means, cannot make reaction timely and effectively, can not guarantee to use gas safety.Therefore be necessary for the problems referred to above, existing remote-control intelligent gas meter is done to further improvement, realize normal metering, long-range sell gas, Long-distance Control, remote meter reading and related management in, possesses the warning function of unusual condition, and can to output combustion gas, cut off timely, the generation of stopping the perils such as fire and blast, is beneficial to related management and the security control of gas company, is beneficial to the use combustion gas that user is safer.
Summary of the invention
One of object of the present invention is for above-mentioned deficiency, a kind of safety cut-off type remote-control intelligent gas meter is provided, to expect to solve in prior art combustion gas, use while there is abnormality, gas meter, flow meter is acquisition abnormity status information accurately, can not implement to fuel gas supply the technical matterss such as safety cut-off.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
A kind of safety cut-off type remote-control intelligent gas meter provided by the present invention, comprise base table body and data transmission module, described base table body is provided with fuel gas inlet and gas outlet, in described fuel gas inlet, stop valve is installed, described gas meter, flow meter also comprises signal acquisition processing circuit and safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, described signal acquisition processing circuit and data transmission module be access security cut-off type remote-control intelligent gas meter terminal microcomputer controller respectively, the mutual transmission of control signals of described data transmission module and remote control terminal, the collection terminal of described signal acquisition processing circuit accesses the mechanical counting device of base table body by electromechanical signal conversion device, described stop valve is by stop valve control circuit access security cut-off type remote-control intelligent gas meter terminal microcomputer controller,
For gathered the flow information of the inner combustion gas process of base table body by described signal acquisition processing circuit, and be converted into corresponding electronic measurement pulse signal, input safety cut-off type remote-control intelligent gas meter terminal microcomputer controller;
The inside of described safety cut-off type remote-control intelligent gas meter terminal microcomputer controller is at least preset with long abnormality threshold range of the low discharge leakage corresponding with base table body, abnormal large flow and service time, the flow information that is used for comprising with the electronic measurement pulse signal that comes from signal acquisition processing circuit contrasts, and according to comparing result, judges whether to close stop valve by stop valve control circuit.
As preferably, further technical scheme is: the abnormality that described low discharge leaks is that the flow through gas flow of base table body is greater than the initial-flow of mechanical counting device, and is less than the half of gas appliance igniting flow, and the duration has exceeded preset value.
Further technical scheme is: the abnormality of described abnormal large flow is within the default unit interval, and the gas flow of the base table body of flowing through has exceeded the preset multiple of maximum flow preset value.
Further technical scheme is: described service time, long abnormality was to flow through the gas flow of base table body in the scope of the normal use traffic of combustion gas, but the duration has exceeded preset value; The normal use traffic of described combustion gas be flow through the gas flow of base table body be greater than base table body minimum flow, be more than or equal to gas appliance igniting flow, be less than abnormal large flow, and the duration does not exceed preset value; The minimum flow of described base table body is the base table body and can make the minimum stream value of mechanical counting device accurate counting of flowing through.
Further technical scheme is: in described gas meter, flow meter, also comprise sensor detection module, described sensor detection module is by communication interface access security cut-off type remote-control intelligent gas meter terminal microcomputer controller, for detect the current state of gas meter, flow meter external environment condition by external sensor, and corresponding environmental information is transferred to sensor detection module, by safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, from sensor detection module, gather environmental information, according to current environmental information, judge whether to close stop valve by stop valve control circuit, described external sensor comprise in the middle of Earthquake sensor, gaseous-pressure sensor, gas concentration detection alarm device, compound alarm any one or multiple.
Further technical scheme is: in described gas meter, flow meter, also comprise under-voltage protecting circuit, power-off protecting circuit, antimagnetic interfered circuit and recovering state circuit, described under-voltage protecting circuit, power-off protecting circuit, antimagnetic interfered circuit and recovering state circuit be access security cut-off type remote-control intelligent gas meter terminal microcomputer controller respectively, when there is under-voltage, power-off and magnetic interference in gas meter, flow meter use procedure, by circuit corresponding to safety cut-off type remote-control intelligent gas meter terminal microcomputer controller control, completed the operation of closing valve, warning and recovering state;
Described data transmission module is the wireless transport module of any one packing forms in the middle of infrared signal, ultrasonic signal, photosignal, microwave signal, GPRS and GPS, or the wire transmission module of power carrier, Optical Fiber Transmission and central any one packing forms of data line transmission.
Further technical scheme is: in described gas meter, flow meter, also comprise liquid crystal display and hummer, described liquid crystal display and hummer be access security cut-off type remote-control intelligent gas meter terminal microcomputer controller also, and at least for auxiliary security cut-off type remote-control intelligent gas meter terminal microcomputer controller, completes the operation of warning;
Described data transmission module is by USB interface and safety cut-off type remote-control intelligent gas meter terminal microcomputer controller; Described safety cut-off type remote-control intelligent gas meter terminal microcomputer controller is also connected with base table by electronic counting sampling module, and in electronic counting sampling module, antimagnetic protection module is also installed;
In described gas meter, flow meter, also comprise IC-card information exchange module, described IC-card information exchange module is access security cut-off type remote-control intelligent gas meter terminal microcomputer controller also, for read the load value data of IC-card by IC-card information exchange module by safety cut-off type remote-control intelligent gas meter terminal microcomputer controller.
Further technical scheme is: described safety cut-off type remote-control intelligent gas meter terminal microcomputer controller is also sampled control circuit, is connected with the counting tongue tube in base table body by the counting tongue tube in electronic counting sampling module, described counting tongue tube is at least two, and be straight location and installation in supporting locating slot, for buckleing number signal by the control of safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, by counting tongue tube, the combustion gas amount of supplementing with money that comes from data transmission module is deducted; The mode that described counting tongue tube combines with electronic counting by mechanical count is counted, and wherein electronic counting is to the LCDs data signal connecting by safety cut-off type remote-control intelligent gas meter terminal microcomputer controller control liquid crystal display circuit;
In described safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, be provided with maximal value and the minimum value of buckleing the number time interval for twice.
Further technical scheme is: described stop valve comprises shell body, the inside of described shell body is also provided with inner housing, in described inner housing, motor is installed, gear reduction box, gear reduction box top cover and valve rod, wherein one end of described valve rod is provided with sealing cap, on the other end, be provided with connecting hole, in described gear reduction box, input gear is installed, output gear and driving gear, the output shaft of described motor is connected with input gear power, input gear is connected with output gear power by Multi-stage transmission gear, after the power of input gear being increased by multiple transmission gears, transfer to output gear, described output gear is also connected with driving gear power by transmission shaft, ratchet doubly-linked gear and imperfect gear are installed on described gear reduction box top cover, described ratchet doubly-linked gear respectively with driving gear, imperfect gear is meshed, described imperfect gear is provided with biasing post, described biasing post inserts the connecting hole of valve rod end, on described gear reduction box top cover, lock dog is also installed, described lock dog and ratchet doubly-linked gear fasten, for limiting ratchet doubly-linked gear backwards rotation, resetting means is also all installed on described lock dog and imperfect gear.
Also further technical scheme is: described motor sealing is arranged on the inside of inner housing, and gear reduction box and gear reduction box top cover, by O-ring seal static seal, installs; Described transmission shaft and driving gear are tightly connected; Described motor is installed by O-ring seal static seal in the inside of inner housing; The output shaft of described motor stretches into gear reduction box, and is provided with O-ring seal between the output shaft of motor and gear reduction box, and the action sealing of going forward side by side is installed; Described transmission shaft is arranged on gear reduction box top cover by the sealing of O-ring seal reinforcement, and is connected with driving gear power; Described ratchet doubly-linked gear forms by fixedly mount ratchet-gear wheel above gear, and described lock dog and ratchet-gear wheel fasten, and gear is meshed with imperfect gear and driving gear respectively; Ratchet on described ratchet-gear wheel counterclockwise tilts, and for after fastening with lock dog, only can rotate towards clockwise direction; The resetting means of installing on described lock dog and imperfect gear is torque spring, for making lock dog keep the state fastening with ratchet doubly-linked gear, imperfect gear is automatically reset under the state of non-engagement.
Compared with prior art, one of beneficial effect of the present invention is: by the flow through gas quantity of base table body of signal acquisition processing circuit Real-time Collection, and transmit it in time safety cut-off type remote-control intelligent gas meter meter terminal microcomputer controller, detecting that base table body occurs that low discharge leaks, when abnormal large flow and the abnormality such as service time is long, can close in time the stop valve on base table body, and can report to the police by liquid crystal display, hummer, avoid gas leakage excessive, cause burning or explosion phenomenon, protection people safety of life and property; Simultaneously, safety cut-off type remote-control intelligent gas meter meter terminal microcomputer controller coordinates the various kinds of sensors being accessed by outside, makes the real-time condition of gas meter, flow meter environment for use also can become one of trigger condition of safety cut-off type remote-control intelligent gas meter meter terminal microcomputer controller pass valve operation; And a kind of safety cut-off type remote-control intelligent gas meter provided by the present invention is simple in structure, is suitable for suitability for industrialized production, be easy to promote.
Accompanying drawing explanation
Fig. 1 is that the combustion gas state acquisition for one embodiment of the invention is described is processed block diagram;
Fig. 2 is the structural representation block diagram for another embodiment of the present invention is described;
Fig. 3 is the one-piece construction schematic diagram for another embodiment stop valve of the present invention is described;
Fig. 4 is for illustrating that another embodiment middle gear reducer casing first of the present invention splits face structural representation;
Fig. 5 is for illustrating that another embodiment middle gear reducer casing second of the present invention splits face structural representation;
Fig. 6 is the structural representation for yet another embodiment of the invention driving gear and the motive seal of transmission shaft reducer casing reinforcement are described;
Fig. 7 is the safety cut-off type remote-control intelligent gas meter management system composition frame chart for another embodiment of the present invention is described.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Shown in figure 1, one embodiment of the present of invention are a kind of safety cut-off type remote-control intelligent gas meters, comprise base table body and data transmission module, described base table body is provided with fuel gas inlet and gas outlet, in described fuel gas inlet, stop valve is installed, described gas meter, flow meter also comprises signal acquisition processing circuit and safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, described signal acquisition processing circuit and data transmission module be access security cut-off type remote-control intelligent gas meter terminal microcomputer controller respectively, the mutual transmission of control signals of described data transmission module and remote control terminal, the collection terminal of described signal acquisition processing circuit accesses the mechanical counting device of base table body by electromechanical signal conversion device, described stop valve is by stop valve control circuit access security cut-off type remote-control intelligent gas meter terminal microcomputer controller,
The effect of above-mentioned gas meter, flow meter structure is: by signal acquisition processing circuit, gathered the flow information of the inner combustion gas process of base table body, and be converted into corresponding electronic measurement pulse signal input safety cut-off type remote-control intelligent gas meter terminal microcomputer controller;
And in the inside of above-mentioned safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, be at least preset with long abnormality threshold range of the low discharge leakage corresponding with base table body, abnormal large flow and service time, also can be referred to as the combustion gas monitoring abnormal state mechanism shown in Fig. 1; Its effect is and comes from the flow information comprising in the electronic measurement pulse signal of signal acquisition processing circuit and contrast, judge whether to occur that combustion gas used state extremely, while further judging, belong to any abnormality, and determine whether by stop valve control circuit, close stop valve according to comparing result.
In the present embodiment; utilize the flow through gas quantity of base table body of signal acquisition processing circuit Real-time Collection; and transmit it in time safety cut-off type remote-control intelligent gas meter terminal microcomputer controller; detecting that base table body occurs that low discharge leaks, when abnormal large flow and the abnormality such as service time is long; can close in time the stop valve on base table body; also can select to report to the police by liquid crystal display, hummer; avoid gas leakage excessive; cause burning or explosion phenomenon, the safety of protection people's life and property.
From above-described embodiment, gas meter, flow meter in the present invention is take displacement machine measurement technology as basis (being above-mentioned alleged base table body), by signal acquisition process technology, safety cut-off valve technology and remote data transmission technology, microcomputer controller, by tongue tube button, count the combination of billing technology, realize the gas meter, flow meter of the safety cut-off functions such as valve control, exceptional state alarm, in safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, be provided with memory storage, for storing the combustion gas prepaid data that comes from data transmission module.
As what mention in above-described embodiment, the signal acquisition processing circuit Real-time Collection gas quantity in base table body of flowing through, its object is whether the combustion gas output that judges base table body exists abnormal situation, for these abnormal conditions, the abnormal conditions that inventor uses for existing remote-control intelligent gas meter gather, use habit in conjunction with user is analyzed, three kinds of abnormal conditions that base table body the most often occurs have roughly been summed up, be that above-mentioned combustion gas low discharge leaks, the abnormal large flow of combustion gas and combustion gas are long service time, and in the present invention, for aforementioned three kinds of situations, be defined as follows:
The abnormality that low discharge leaks refers to that the gas flow of the base table body of flowing through is greater than the initial-flow of base table body, and is less than the half of gas appliance igniting flow, and the duration has exceeded preset value.Wherein initial-flow refers to the flux lower limit value that the gas flow of the base table body of flowing through can make base table body count; The igniting flow of gas appliance refers to the flux lower limit value that can maintain gas kitchen ranges (referring generally to the gas kitchen ranges for family expenses) burning.
The abnormality of abnormal large flow refers to that in the fixed unit interval in sight, the gas flow of the base table body of flowing through has exceeded the preset multiple of maximum flow preset value, and the preset multiple here refers generally to the formulation multiple of the table end maximum flow that gas meter, flow meter manufacturer sets; Wherein maximum flow refers to that gas meter, flow meter can realize the regulation flow upper limit of accurate counting, and this value is set according to Its Relevant Technology Standards by gas meter, flow meter manufacturer.
The gas flow that service time, long abnormality referred to the base table body of flowing through in the threshold range of the normal use traffic of combustion gas, but the duration exceeded preset value; The normal use traffic of described combustion gas be flow through the gas flow of base table body be greater than base table body minimum flow, be more than or equal to gas appliance igniting flow, be less than abnormal large flow and the duration does not exceed preset value; The minimum flow of described base table body is the base table body and can make the minimum stream value of base table body accurate counting of flowing through.
Shown in figure 2, an embodiment who is more preferably for technical solution problem in the present invention, for the consideration of security aspect, even if inventor also finds the combustion gas of flowing through in base table body and does not occur above-mentioned abnormal conditions, but the external environment condition of installing as gas meter, flow meter is not suitable for using the words of combustion gas, still be prone to security incident, therefore for making gas meter, flow meter in the situation that guaranteeing that base table body is used under non-abnormality, the condition that partial parameters in external environment condition also can be turn-offed to stop valve as triggering safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, be specially and in gas meter, flow meter, set up sensor detection module, and sensor detection module is passed through to communication interface access security cut-off type remote-control intelligent gas meter terminal microcomputer controller, for detect the current state of gas meter, flow meter external environment condition by external sensor, and corresponding environmental information is transferred to sensor detection module, by safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, from sensor detection module, gather environmental information, according to current environmental information, judge whether to close stop valve by stop valve control circuit, and aforesaid external sensor can be selected according to the field of employment of gas meter, flow meter and area, determine and use one or more, for example Earthquake sensor, gaseous-pressure sensor, gas concentration detection alarm device, again or compound alarm etc.
Above-mentioned sensor detection module refers to the pick-up unit that connects external sensor, for the signal that external sensor is passed over, convert switching value output signal to, and switching value output signal can be delivered to safety cut-off type remote-control intelligent gas meter terminal microcomputer controller.
Further, inventor is also with reference to prior art, the other problems that may occur in use for the gas meter, flow meter with terminal microcomputer controller adopts following technological means to be solved: in gas meter, flow meter, set up under-voltage protecting circuit, power-off protecting circuit, antimagnetic interfered circuit and recovering state circuit, described under-voltage protecting circuit, power-off protecting circuit, antimagnetic interfered circuit and recovering state circuit be access security cut-off type remote-control intelligent gas meter terminal microcomputer controller respectively, for occurring under-voltage in gas meter, flow meter use procedure, when power-off and magnetic interference, by circuit corresponding to safety cut-off type remote-control intelligent gas meter terminal microcomputer controller control, complete pass valve, the operation of warning and recovering state.
Simultaneously, above-mentioned data transmission module preferably adopts the wireless transport module of central any one packing forms of infrared signal, ultrasonic signal, photosignal, microwave signal, GPRS and GPS, or the wire transmission module of power carrier, Optical Fiber Transmission and central any one packing forms of data line transmission;
Preferably, above-mentioned data transmission module can arrange FLASH storer, and FLASH storer is connected at least two separate transmitting devices, and the wireless transmission that this transmitting device adopts is any two or more the assembled package that adopts infrared signal, power carrier, photosignal, ultrasonic signal, microwave signal, GPRS and GPS central, to meet different data transmission demands, widen the range of management of gas company to terminal gas meter, flow meter.
For convenience of the replacing of dissimilar transport module, above-mentioned data transmission module is preferably connected with safety cut-off type remote-control intelligent gas meter terminal microcomputer controller by USB interface simultaneously; And where necessary, also can be first above-mentioned data transmission module be first connected with upper strata multistage communication device, then by upper strata multistage communication device with sell gas management system and be connected, to ensure the integrality of data transmission.
On the other hand, the present invention can be directly take IC-card intelligent gas meter of the prior art as core (being to have comprised above-mentioned base table body in IC-card intelligent gas meter), be also to comprise IC-card information exchange module in the gas meter, flow meter of above-described embodiment, and by IC-card information exchange module also access security cut-off type remote-control intelligent gas meter terminal microcomputer controller, for read the load value data of IC-card by IC-card information exchange module by safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, as the present invention, carry out the second approach of data transmission.
Above-mentioned and IC-card information exchange module carry out information interaction is can be central any one of memory card, logic encryption card and CPU card.
In addition, in above-mentioned abnormal conditions, trigger safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, its execution is closed after the operation of stop valve, for timely reminding user, know, also can on gas meter, flow meter, design the function of reporting to the police; Therefore in gas meter, flow meter, set up again in the present embodiment liquid crystal display and hummer, and by liquid crystal display and also access security cut-off type remote-control intelligent gas meter terminal microcomputer controller of hummer, and at least for auxiliary security cut-off type remote-control intelligent gas meter terminal microcomputer controller, complete the operation of warning, when there is above-mentioned any one abnormality in gas meter, flow meter, when closing valve, also by hummer and liquid crystal display, carry out sound and light alarm;
For realizing electronic counting and button number; above-mentioned safety cut-off type remote-control intelligent gas meter terminal microcomputer controller is also connected with base table by electronic counting sampling module; and antimagnetic protection module is also installed, to avoid magnetic to the interference causing in its use in electronic counting sampling module.
Inventor also counts the implementation of charging with reference to existing remote-control intelligent gas meter pre-payment button simultaneously, above-mentioned safety cut-off type remote-control intelligent gas meter terminal microcomputer controller is sampled to control circuit by the counting tongue tube in electronic counting sampling module, be connected with the counting tongue tube in base table body, and counting tongue tube is set at least two, and be straight location and installation in supporting locating slot, preferably mounting circuit boards in locating slot again, for buckleing number signal by the control of safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, by counting tongue tube, the combustion gas amount of supplementing with money that comes from data transmission module is deducted, the mode that described counting tongue tube combines with electronic counting by mechanical count is counted, and wherein electronic counting is to the LCDs data signal connecting by safety cut-off type remote-control intelligent gas meter terminal microcomputer controller control liquid crystal display circuit, in safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, maximal value and the minimum value of buckleing the number time interval for twice are set again.
And for ease of using, the situation of the long standby metering distortion that minimizing gas meter, flow meter may exist in actual use, in above-mentioned safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, be also provided with maximum stand-by time value, by the initialization of remote-control intelligent gas meter terminal microcomputer controller, overcome the problem of aforementioned distortion; In remote-control intelligent gas meter terminal microcomputer controller, be also provided with clock can controller simultaneously, and remote-control intelligent gas meter terminal microcomputer controller also can transmit control signal to electromechanical valve by controller timing control electricity valve controling circuit by means of clock.
Further, inventor also finds through overtesting, and except the above-mentioned abnormal case of enumerating, the existing potential safety hazard of stop valve itself also by the security that has a strong impact on gas meter, flow meter and use, for example, for stop valve provides the source current of power excessive, easily produces electric spark; As combustion gas is leaked, safety cut-off type remote-control intelligent gas meter terminal microcomputer controller detects when this abnormality is closed valve, control stop valve cuts out, and in the process of closing at stop valve, once produce electric spark because electric current is excessive, easily lights combustion gas and even blasts; On the other hand, the sealing height of stop valve after closing also will determine whether gas meter, flow meter can be in the state of overall safety after closing valve;
Shown in figure 3, Fig. 4 and Fig. 5, based on above-mentioned actual conditions, inventor has also done further improvement to the stop valve structure in above-described embodiment, and this stop valve for carrying out safety switch valve when receiving the instruction of remote-control intelligent gas meter terminal microcomputer controller.
And another embodiment that the concrete structure of stop valve is the present invention to be more preferably for technical solution problem, comprising shell body, and inner housing 4 is installed within the outer shell, motor 1 as the power part of stop valve is installed in inner housing 4, and gear reduction box 2, gear reduction box top cover 7 and valve rod 3, wherein wherein one end of valve rod 3 is provided with sealing cap 31, is provided with connecting hole 32 on the other end.In aforesaid gear reduction box 2, need to install input gear 21, output gear 22 and driving gear 23, the output shaft of motor 1 is connected with input gear 21 power, input gear 21 is connected with output gear 22 power by Multi-stage transmission gear 24, after the power of input gear 21 being increased by Multi-stage transmission gear 24, transfer to output gear 22, output gear 22 is also connected with driving gear 23 power by transmission shaft 25;
On this basis, on aforesaid gear reduction box top cover 7, need to install ratchet doubly-linked gear 26 and imperfect gear 27, described ratchet doubly-linked gear 26 is meshed with driving gear 23, imperfect gear 27 respectively, described imperfect gear 27 is provided with biasing post 271, described biasing post 271 inserts the connecting hole 32 of valve rod 3 ends, on described gear reduction box top cover 7, lock dog 28 is also installed, described lock dog 28 fastens with ratchet doubly-linked gear 26, for limiting ratchet doubly-linked gear 26 backwards rotation; On described lock dog 28 and imperfect gear 27, resetting means 29 is also all installed.
In the present embodiment, motor 1 drives input gear 21 to rotate, input gear 21 amplifies the moment of torsion of motor 1 output shaft by the Multi-stage transmission gear 24 engaging with it, and then be passed to output gear 22, output gear is passed to driving gear 23 by moment of torsion by transmission shaft 25, because driving ratchet doubly-linked gear 26, driving gear 23 rotates, and then drive imperfect gear 27 to rotate by ratchet doubly-linked gear 26, when imperfect gear 27 rotates, 271 of biasing posts can be with ovable valve stem 3 to move forward and backward, the power that imposes on valve rod 3 for the 271 hoops motions of assurance biasing post makes it that straight-line displacement occur, the connecting hole 32 of valve rod 3 ends can be set to bar hole, biasing post 271 can be moved in bar hole, the lock dog 28 fastening with ratchet doubly-linked gear 26 can be when imperfect gear 27 rotates to anodontia part, prevent that it from rotating backward under the effect of resetting means, and then form and engage with imperfect gear 27, make valve rod 3 keep current state.
By the gear mode of transmission step by step, the moment of torsion of motor 1 output shaft is amplified, thus the required power that makes while reducing switch valve, and then reduce the required electric current of switch valve.In actual applications, the outputting power of motor 1 can be can be controlled in a less scope, source current and voltage that driving motor 1 moves also can be reduced, realize little failure of current, prevent the excessive generation electric spark of electric current, bring above-mentioned potential safety hazard, further improved the safety and reliability of gas meter, flow meter.
In another embodiment of the present invention, for preventing that rock gas from causing corrosion to the circuit of stop valve inside, preferably above-mentioned motor 1 sealing is arranged on to the inside of inner housing 4, and sets up top cover on gear reduction box 2, and top cover and gear reduction box 2 sealing installations; Described transmission shaft 25 is tightly connected with driving gear 23.Further, shown in figure 6, inventor thinks and prevents that combustion gas from causing the technical scheme that is more preferably of corrosion to motor interior is on the basis of aforementioned means, installs in the inside of inner housing 4 motor 1 by O-ring seal 5 static seals; The output shaft of motor 1 is stretched into gear reduction box 2, and be provided with O-ring seal between the output shaft of motor 1 and gear reduction box 2; Described transmission shaft 25 is arranged on the top cover of gear reduction box 2 by O-ring seal 5 reinforcement sealings, and is connected with driving gear 23 power.
Just as described above, ratchet doubly-linked gear 26 has utilized the principle of ratchet-gear wheel structure just, its lock dog 28 is matched, and the ratchet on ratchet-gear wheel is set to counterclockwise tilt, realize between itself and lock dog " turn clockwise and pass through; be rotated counterclockwise engaging " object, but be subject to the constraint of ratchet-gear wheel with the gear that ratchet-gear wheel is fixed as one, when it is meshed with imperfect gear 27 and driving gear 23 respectively, form forward transmission with imperfect gear 27, oppositely engaging, and then prevent that imperfect gear 27 from rotating backward.
Shown in figure 5, an embodiment who is more preferably for technical solution problem in invention, for above-mentioned lock dog 28 and imperfect gear 27 can be resetted smoothly after motor 1 is out of service, can adopt torque spring as the resetting means 29 of installing on lock dog 28 and imperfect gear 27, for making lock dog 28 keep the state fastening with ratchet doubly-linked gear 26, imperfect gear 27 is automatically reset under the state of non-engagement.
Shown in figure 4 and Fig. 5, the two-way valve process of opening without stall gear drive gas meter, flow meter Special cut-off valve in the above embodiment of the present invention is: when the output shaft of motor 1 rotates counterclockwise and transfers a torque to driving gear 23 by input gear 21, transmission gear 24 and output gear 22, driving gear 23 is rotated counterclockwise by the imperfect gear 27 of the gear driven on ratchet doubly-linked gear 26, biasing post band ovable valve stem 3 on imperfect gear 27 is retracted, now the sealing cap 31 of valve rod 3 initiating terminals leaves the air intake opening 6 on stop valve, and stop valve is opened; When being rotated counterclockwise anodontia position, realizes by imperfect gear 27 imperfect gear 27 from 26 unloadings of ratchet doubly-linked gear, although now driving gear 23 is also driving ratchet doubly-linked gear 26 to rotate toward the clockwise direction, but the tooth on the gear of ratchet doubly-linked gear 26 is not meshed with the tooth on imperfect gear 27, when the output shaft of motor 1 continues to rotate counterclockwise, imperfect gear 27 remains at this state, be the sealing cap 31 of valve rod 3 initiating terminals all the time away from air intake opening 6, stop valve valve is opening.When motor 1 stops operating, the torque spring of installing on imperfect gear 27 drives it to clockwise rotate with the gear of ratchet doubly-linked gear 26 and is meshed, and fixing anticlockwise ratchet-gear wheel is locked under the effect of lock dog 28 on ratchet doubly-linked gear 26, make the reset torque spring of installing on imperfect gear 27 can not continue to make imperfect gear 27 to rotate, be that lock dog 28 pins ratchet-gear wheel and then pins ratchet doubly-linked gear 26, ratchet doubly-linked gear 26 pins imperfect gear 27, valve rod 3 can not be stretched out, and then make valve be held open state.
Equally, shown in Fig. 4 and Fig. 5, the two-way pass valve process without stall gear drive gas meter, flow meter Special cut-off valve of the above embodiment of the present invention is: when motor 1 clockwise rotates and passes through input gear 21, transmission gear 24 and output gear 22 transfer a torque to driving gear 23, driving gear 23 also turns clockwise, now because ratchet doubly-linked gear 26 is pinned by lock dog 28, under driving gear 23 turns clockwise the effect of power, the liner plate that ratchet doubly-linked gear 26 is installed by below is realized release with driving gear 23 axle rotations disengaging with engaging of imperfect gear 27, imperfect gear 27 clockwise rotates under the effect of torsion spring power, the biasing post of its top rotates with imperfect gear 27 and promotes valve rod 3 valve-offs, and lock dog 28 also rotates around driving gear 23 axles with ratchet-gear wheel doubly-linked gear by liner plate in aforementioned process, when lock dog 28 is encountered the medial surface of gear reduction box 2, throw off the ratchet-gear wheel of ratchet doubly-linked gear 26 and realize unloading, make to close valve without stall, after the output shaft of motor 1 stops operating, under the effect of torsion spring power, make lock dog 28 reset, before the startup next time of motor 1 rotates counterclockwise, electromechanical valve remains closed condition.
The stop valve of said structure guarantees that in leakage rate security comprises internal leakage and effective control of the leakage quantity that leaks, and internal leakage control realizes minimum leakage by two static seals and a motive seal of above-mentioned stop valve, guarantee that the Leakage Gas cutting off in valve body meets security requirement to the leakage rate in motor cavity.
The present invention is intended to realize the warning function of IC-card intelligent gas meter abnormality, and timely output combustion gas is carried out to safety cut-off, stop the generation of the perils such as fire and blast, possess the functions such as under-voltage prompting, the recovery of power-off data, anti-magnetic interference simultaneously, be beneficial to the use gas meter, flow meter that user is safer, gas company better carries out management of safe operation, reduces the generation of peril.
Shown in figure 7, by above-mentioned data transmission module, main website sell that gas management system completes and safety cut-off type intelligent gas meter between exchanges data.This is sold in gas management system and at least comprises with lower module:
Service management module: for realizing, open an account, hair fastener, payment, moves back expense, changes table, transfer, the function of table and blacklist management is torn in cancellation open;
IC-card administration module: do for implementation tool blocking, mend card, the function that IC-card is repaired;
Remote control module: for sending wired or wireless control signal to the gas meter, flow meter of terminal;
System arranges module: for realizing, keeper is set, menu setting, password setting, invoice format setting, the function of serial port setting.
Basic data module: for realizing website setting, region division, the setting of table type, the setting of payment type, the function that manufacturer arranges;
In conjunction with shown in Fig. 2, in the system of safety cut-off type remote-control intelligent gas meter composition, gas company realizes pre-payment and related management by data transmission module again.By wireless or wire transmission mode, data are sent in safety cut-off type remote-control intelligent gas meter, thereby realize exchanges data.Gas company realizes the unified management of all safety cut-off type remote-control intelligent gas meters by which.
While having comprised input abnormality all in the present embodiment in technique scheme, safety cut-off type remote-control intelligent gas meter is from obtaining abnormality signal to all processes of processing abnormality, safety cut-off type remote-control intelligent gas meter is when generation abnormality signal being detected, timely stop valve implements to cut out, by liquid crystal display, show simultaneously, and by buzzer warning, when all abnormality are eliminated, can return to normal condition by abnormality restoring circuit.
The combustion gas gas safety problem that safety cut-off type remote-control intelligent gas meter has avoided many factors to cause by the above-mentioned processing mode to abnormality, can reduce to the full extent the generation of the serious accidents such as fire that combustion gas causes, blast, by safety cut-off type remote-control intelligent gas meter, be beneficial to gas company's gas safe management work, user can be safer use gas meter, flow meter, ensure people's property and life security.
In the present invention, by using safety cut-off type remote-control intelligent gas meter, not fully burning of combustion gas can detected, when producing toxic gas and reaching certain concentration, cut off gas supply, and show and audible alarm by liquid crystal display, user can take appropriate measures, and avoids occurring corrugated hose discomfort, intoxicating phenomenon.
By using safety cut-off type remote-control intelligent gas meter, can, when outside supply gas pressure is too low, cut off fuel gas supply, prevent from because supply gas pressure is too low, causing gas-fired equipment cutoff and gas leak phenomenon, make user's use gas-fired equipment of safety standard more.
By using safety cut-off type remote-control intelligent gas meter, can use external Earthquake sensor when earthquake occurs, cut off timely air feed, avoid because of pipeline breaking or come off the gas leakage accident of bringing.
By using safety cut-off type remote-control intelligent gas meter, when there is battery undervoltage state, prompting user changes battery, guarantee the normal use of gas meter, flow meter various functions, when there is magnetic interference state, what energy was real-time closes combustion gas output by stop valve, the magnetic interference of antimagnetic malice causes the inaccurate of gas meter, flow meter metering, when off-position, can preserve timely associative operation record and data, prevent the loss of data.
Safety cut-off type remote-control intelligent gas meter can be closed at generation stop valve, when liquid crystal display display alarm information, hummer send alerting signal, and can be by interrupting powered battery, after re-powering, gas meter, flow meter, after relevant abnormality is removed, carries out self check, recovers the state using normal.
Gas company can remote real time monitoring, the gas meter, flow meter in remote real_time control, long-distance real-time management administrative area, accomplishes the gas meter, flow meter of the hidden danger of causing danger to carry out key monitoring, and the long-range lock operation etc. of showing, further strengthens the management to safety use gas.
Safety cut-off type remote-control intelligent gas meter is except possessing the accurate measurement of conventional remote intelligent gas meter, reliable valve control, remote real time monitoring, remote real_time control, outside long-distance real-time management, also possessed the warning function of combustion gas use abnormality, and can to output combustion gas, cut off timely, stop the generation of the perils such as fire and blast, and the abnormal conditions by combustion gas use that can be real-time send in telecommunication equipment by data transmission module, by telecommunication equipment, be delivered to long-range selling in gas management system, gas company carries out key monitoring by selling gas management system to the gas meter, flow meter of the hidden danger of causing danger, the long-range lock operation etc. of showing, further strengthen the management to safety use gas, be beneficial to the use combustion gas that user is safer.
Except above-mentioned, also it should be noted that " embodiment ", " another embodiment " that spoken of in this manual, " embodiment " etc., refer to specific features, structure or the feature in conjunction with this embodiment, described and be included at least one embodiment that the application's generality describes.In instructions, multiple local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while describing a specific features, structure or feature in conjunction with arbitrary embodiment, what advocate is in conjunction with other embodiment, to realize this feature, structure or feature also to fall within the scope of the invention.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (10)
1. a safety cut-off type remote-control intelligent gas meter, comprise base table body and data transmission module, described base table body is provided with fuel gas inlet and gas outlet, in described fuel gas inlet, stop valve is installed, it is characterized in that: described gas meter, flow meter also comprises signal acquisition processing circuit and safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, described signal acquisition processing circuit and data transmission module be access security cut-off type remote-control intelligent gas meter terminal microcomputer controller respectively, the mutual transmission of control signals of described data transmission module and remote control terminal, the collection terminal of described signal acquisition processing circuit accesses the mechanical counting device of base table body by electromechanical signal conversion device, described stop valve is by stop valve control circuit access security cut-off type remote-control intelligent gas meter terminal microcomputer controller,
For gathered the flow information of the inner combustion gas process of base table body by described signal acquisition processing circuit, and be converted into corresponding electronic measurement pulse signal, input safety cut-off type remote-control intelligent gas meter terminal microcomputer controller;
The inside of described safety cut-off type remote-control intelligent gas meter terminal microcomputer controller is at least preset with long abnormality threshold range of the low discharge leakage corresponding with base table body, abnormal large flow and service time, the flow information that is used for comprising with the electronic measurement pulse signal that comes from signal acquisition processing circuit contrasts, and according to comparing result, judges whether to close stop valve by stop valve control circuit.
2. safety cut-off type remote-control intelligent gas meter according to claim 1, it is characterized in that: the abnormality that described low discharge leaks is that the flow through gas flow of base table body is greater than the initial-flow of mechanical counting device, and be less than the half of gas appliance igniting flow, and the duration has exceeded preset value.
3. safety cut-off type remote-control intelligent gas meter according to claim 1, is characterized in that: the abnormality of described abnormal large flow is within the default unit interval, the gas flow of the base table body of flowing through has exceeded the preset multiple of maximum flow preset value.
4. according to the safety cut-off type remote-control intelligent gas meter described in claim 2 or 3, it is characterized in that: described service time, long abnormality was to flow through the gas flow of base table body in the scope of the normal use traffic of combustion gas, but the duration has exceeded preset value; The normal use traffic of described combustion gas be flow through the gas flow of base table body be greater than base table body minimum flow, be more than or equal to gas appliance igniting flow, be less than abnormal large flow, and the duration does not exceed preset value; The minimum flow of described base table body is the base table body and can make the minimum stream value of mechanical counting device accurate counting of flowing through.
5. safety cut-off type remote-control intelligent gas meter according to claim 1, it is characterized in that: in described gas meter, flow meter, also comprise sensor detection module, described sensor detection module is by communication interface access security cut-off type remote-control intelligent gas meter terminal microcomputer controller, for detect the current state of gas meter, flow meter external environment condition by external sensor, and corresponding environmental information is transferred to sensor detection module, by safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, from sensor detection module, gather environmental information, according to current environmental information, judge whether to close stop valve by stop valve control circuit, described external sensor comprise in the middle of Earthquake sensor, gaseous-pressure sensor, gas concentration detection alarm device, compound alarm any one or multiple.
6. the remote-control intelligent gas meter of safety cut-off type according to claim 1 or 5, it is characterized in that: in described gas meter, flow meter, also comprise under-voltage protecting circuit, power-off protecting circuit, antimagnetic interfered circuit and recovering state circuit, described under-voltage protecting circuit, power-off protecting circuit, antimagnetic interfered circuit and recovering state circuit be access security cut-off type remote-control intelligent gas meter terminal microcomputer controller respectively, for occurring under-voltage in gas meter, flow meter use procedure, when power-off and magnetic interference, by circuit corresponding to safety cut-off type remote-control intelligent gas meter terminal microcomputer controller control, complete pass valve, the operation of warning and recovering state,
Described data transmission module is the wireless transport module of any one packing forms in the middle of infrared signal, ultrasonic signal, photosignal, microwave signal, GPRS and GPS, or the wire transmission module of power carrier, Optical Fiber Transmission and central any one packing forms of data line transmission.
7. safety cut-off type remote-control intelligent gas meter according to claim 6, it is characterized in that: in described gas meter, flow meter, also comprise liquid crystal display and hummer, described liquid crystal display and hummer be access security cut-off type remote-control intelligent gas meter terminal microcomputer controller also, and at least for auxiliary security cut-off type remote-control intelligent gas meter terminal microcomputer controller, completes the operation of warning;
Described data transmission module is connected with safety cut-off type remote-control intelligent gas meter terminal microcomputer controller by USB interface; Described safety cut-off type remote-control intelligent gas meter terminal microcomputer controller is also connected with base table by electronic counting sampling module, and in electronic counting sampling module, antimagnetic protection module is also installed;
In described gas meter, flow meter, also comprise IC-card information exchange module, described IC-card information exchange module is access security cut-off type remote-control intelligent gas meter terminal microcomputer controller also, for read the load value data of IC-card by IC-card information exchange module by safety cut-off type remote-control intelligent gas meter terminal microcomputer controller.
8. the safety cut-off type remote-control intelligent gas meter of stating according to claim 7, it is characterized in that: described safety cut-off type remote-control intelligent gas meter terminal microcomputer controller is also by the counting tongue tube sampling control circuit in electronic counting sampling module, be connected with the counting tongue tube in base table body, described counting tongue tube is at least two, and be straight location and installation in supporting locating slot, for buckleing number signal by the control of safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, by counting tongue tube, the combustion gas amount of supplementing with money that comes from data transmission module is deducted, the mode that described counting tongue tube combines with electronic counting by mechanical count is counted, and wherein electronic counting is to the LCDs data signal connecting by safety cut-off type remote-control intelligent gas meter terminal microcomputer controller control liquid crystal display circuit,
In described safety cut-off type remote-control intelligent gas meter terminal microcomputer controller, be provided with maximal value and the minimum value of buckleing the number time interval for twice.
9. safety cut-off type remote-control intelligent gas meter according to claim 1, it is characterized in that: described stop valve comprises shell body, the inside of described shell body is also provided with inner housing (4), motor (1) is installed in described inner housing (4), gear reduction box (2), gear reduction box top cover (7) and valve rod (3), wherein one end of described valve rod (3) is provided with sealing cap (31), on the other end, be provided with connecting hole (32), input gear (21) is installed in described gear reduction box (2), output gear (22) and driving gear (23), the output shaft of described motor (1) is connected with input gear (21) power, input gear (21) is connected with output gear (22) power by Multi-stage transmission gear (24), after the power of input gear (21) being increased by multiple transmission gears (24), transfer to output gear (22), described output gear (22) is also connected with driving gear (23) power by transmission shaft (25), ratchet doubly-linked gear (26) and imperfect gear (27) are installed on described gear reduction box top cover (7), described ratchet doubly-linked gear (26) respectively with driving gear (23), imperfect gear (27) is meshed, described imperfect gear (27) is provided with biasing post (271), described biasing post (271) inserts the connecting hole (32) of valve rod (3) end, lock dog (28) is also installed on described gear reduction box top cover (7), and described lock dog (28) fastens with ratchet doubly-linked gear (26), for limiting ratchet doubly-linked gear (26) backwards rotation, on described lock dog (28) and imperfect gear (27), resetting means (29) is also all installed.
10. safety cut-off type remote-control intelligent gas meter according to claim 8, it is characterized in that: described motor (1) sealing is arranged on the inside of inner housing (4), and gear reduction box (2) and gear reduction box top cover (7), install by O-ring seal static seal; Described transmission shaft (25) is tightly connected with driving gear (23);
Described motor (1) is installed by O-ring seal static seal in the inside of inner housing (4);
The output shaft of described motor (1) stretches into gear reduction box (2), and is provided with O-ring seal between the output shaft of motor (1) and gear reduction box (2), and the action sealing of going forward side by side is installed; It is upper that described transmission shaft (25) is arranged on gear reduction box top cover (7) by the sealing of O-ring seal (5) reinforcement, and be connected with driving gear (23) power;
Described ratchet doubly-linked gear (26) forms by fixedly mount ratchet-gear wheel above gear, and described lock dog (28) fastens with ratchet-gear wheel, and gear is meshed with imperfect gear (27) and driving gear (23) respectively;
Ratchet on described ratchet-gear wheel counterclockwise tilts, and for after fastening with lock dog (28), only can rotate towards clockwise direction;
Described lock dog (28) is torque spring with the upper resetting means (29) of installing of imperfect gear (27), be used for making lock dog (28) to keep the state fastening with ratchet doubly-linked gear (26), imperfect gear (27) is automatically reset under the state of non-engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032923.5A CN103743448A (en) | 2013-09-29 | 2014-01-23 | Safe-cutoff remote control intelligent gas meter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104568508A CN103471675A (en) | 2013-09-29 | 2013-09-29 | Cutting type diaphragm gas meter |
| CN201310456850.8 | 2013-09-29 | ||
| CN201410032923.5A CN103743448A (en) | 2013-09-29 | 2014-01-23 | Safe-cutoff remote control intelligent gas meter |
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| CN103743448A true CN103743448A (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104568508A Pending CN103471675A (en) | 2013-09-29 | 2013-09-29 | Cutting type diaphragm gas meter |
| CN201410032116.3A Pending CN103791964A (en) | 2013-09-29 | 2014-01-23 | Safe cut-off type internet-of-things intelligent gas meter |
| CN201410033790.3A Pending CN103745535A (en) | 2013-09-29 | 2014-01-23 | Safe-cutoff IC card intelligent gas meter |
| CN201420043663.7U Expired - Lifetime CN203848892U (en) | 2013-09-29 | 2014-01-23 | Safety-cutout-type Internet of Things intelligent gas meter |
| CN201410032763.4A Active CN103743447B (en) | 2013-09-29 | 2014-01-23 | Cut-out type diaphragm gas meter |
| CN201420045275.2U Expired - Lifetime CN203732117U (en) | 2013-09-29 | 2014-01-23 | Intelligent safety cut-off type remote control gas meter |
| CN201420044882.7U Expired - Lifetime CN203733222U (en) | 2013-09-29 | 2014-01-23 | Intelligent safety cut-off type IC card gas meter |
| CN201410032923.5A Pending CN103743448A (en) | 2013-09-29 | 2014-01-23 | Safe-cutoff remote control intelligent gas meter |
Family Applications Before (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104568508A Pending CN103471675A (en) | 2013-09-29 | 2013-09-29 | Cutting type diaphragm gas meter |
| CN201410032116.3A Pending CN103791964A (en) | 2013-09-29 | 2014-01-23 | Safe cut-off type internet-of-things intelligent gas meter |
| CN201410033790.3A Pending CN103745535A (en) | 2013-09-29 | 2014-01-23 | Safe-cutoff IC card intelligent gas meter |
| CN201420043663.7U Expired - Lifetime CN203848892U (en) | 2013-09-29 | 2014-01-23 | Safety-cutout-type Internet of Things intelligent gas meter |
| CN201410032763.4A Active CN103743447B (en) | 2013-09-29 | 2014-01-23 | Cut-out type diaphragm gas meter |
| CN201420045275.2U Expired - Lifetime CN203732117U (en) | 2013-09-29 | 2014-01-23 | Intelligent safety cut-off type remote control gas meter |
| CN201420044882.7U Expired - Lifetime CN203733222U (en) | 2013-09-29 | 2014-01-23 | Intelligent safety cut-off type IC card gas meter |
Country Status (2)
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| CN (8) | CN103471675A (en) |
| WO (1) | WO2015043351A1 (en) |
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| CN112324918A (en) * | 2020-11-23 | 2021-02-05 | 江苏博特威流体科技有限公司 | Electronic control valve with circulating air guide |
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| CN113888805A (en) * | 2021-08-27 | 2022-01-04 | 金卡智能集团股份有限公司 | Near field and remote communication metering device and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064549A (en) * | 2006-09-06 | 2008-03-21 | Toyo Keiki Co Ltd | Microcomputer gas meter |
| CN101907194A (en) * | 2010-07-19 | 2010-12-08 | 成都秦川科技发展有限公司 | Bidirectional blockage-free gear-driven special electromechanical valve for gas meters |
| US20110035338A1 (en) * | 2009-08-05 | 2011-02-10 | Electro Industries/Gauge Tech. | Intelligent electronic device having user-authenticating capabilities |
| CN201803753U (en) * | 2010-07-12 | 2011-04-20 | 大庆油田中庆燃气控股有限责任公司 | Gas meter capable of issuing alarm and cutting off under flow rate abnormity |
| CN202373073U (en) * | 2011-12-22 | 2012-08-08 | 浙江松川仪表科技股份有限公司 | Wireless remote transmitting intelligent gas meter with abnormal flow cut-off function |
| CN202394305U (en) * | 2011-12-22 | 2012-08-22 | 天津市智德仪表有限公司 | Novel intelligent compensated type gas meter |
| CN202632420U (en) * | 2012-06-06 | 2012-12-26 | 浙江日通科技有限公司 | IC card intelligent gas meter system |
| CN103471675A (en) * | 2013-09-29 | 2013-12-25 | 成都秦川科技发展有限公司 | Cutting type diaphragm gas meter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09180053A (en) * | 1995-12-27 | 1997-07-11 | Matsushita Electric Ind Co Ltd | Flow measurement system |
| JP2004101303A (en) * | 2002-09-06 | 2004-04-02 | Yazaki Corp | Gas meter, its mounting structure, and assembling method of gas meter |
| CN101526815B (en) * | 2009-04-17 | 2011-08-10 | 成都秦川科技发展有限公司 | Method for remotely managing gas meter terminal and intelligent gas meter realizing same |
| CN101976479B (en) * | 2010-09-27 | 2013-04-24 | 邵泽华 | Remote control intelligent card (IC) gas meter |
-
2013
- 2013-09-29 CN CN2013104568508A patent/CN103471675A/en active Pending
-
2014
- 2014-01-23 CN CN201410032116.3A patent/CN103791964A/en active Pending
- 2014-01-23 CN CN201410033790.3A patent/CN103745535A/en active Pending
- 2014-01-23 CN CN201420043663.7U patent/CN203848892U/en not_active Expired - Lifetime
- 2014-01-23 CN CN201410032763.4A patent/CN103743447B/en active Active
- 2014-01-23 CN CN201420045275.2U patent/CN203732117U/en not_active Expired - Lifetime
- 2014-01-23 CN CN201420044882.7U patent/CN203733222U/en not_active Expired - Lifetime
- 2014-01-23 CN CN201410032923.5A patent/CN103743448A/en active Pending
- 2014-08-27 WO PCT/CN2014/085250 patent/WO2015043351A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064549A (en) * | 2006-09-06 | 2008-03-21 | Toyo Keiki Co Ltd | Microcomputer gas meter |
| US20110035338A1 (en) * | 2009-08-05 | 2011-02-10 | Electro Industries/Gauge Tech. | Intelligent electronic device having user-authenticating capabilities |
| CN201803753U (en) * | 2010-07-12 | 2011-04-20 | 大庆油田中庆燃气控股有限责任公司 | Gas meter capable of issuing alarm and cutting off under flow rate abnormity |
| CN101907194A (en) * | 2010-07-19 | 2010-12-08 | 成都秦川科技发展有限公司 | Bidirectional blockage-free gear-driven special electromechanical valve for gas meters |
| CN202373073U (en) * | 2011-12-22 | 2012-08-08 | 浙江松川仪表科技股份有限公司 | Wireless remote transmitting intelligent gas meter with abnormal flow cut-off function |
| CN202394305U (en) * | 2011-12-22 | 2012-08-22 | 天津市智德仪表有限公司 | Novel intelligent compensated type gas meter |
| CN202632420U (en) * | 2012-06-06 | 2012-12-26 | 浙江日通科技有限公司 | IC card intelligent gas meter system |
| CN103471675A (en) * | 2013-09-29 | 2013-12-25 | 成都秦川科技发展有限公司 | Cutting type diaphragm gas meter |
| CN203732117U (en) * | 2013-09-29 | 2014-07-23 | 成都秦川科技发展有限公司 | Intelligent safety cut-off type remote control gas meter |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015043351A1 (en) * | 2013-09-29 | 2015-04-02 | 成都秦川科技发展有限公司 | Safety shutoff remote smart gas meter |
| CN104700505A (en) * | 2015-03-31 | 2015-06-10 | 成都秦川科技发展有限公司 | Remotely-controlled intelligent mass flow rate gas meter and management system thereof, |
| CN104700504A (en) * | 2015-03-31 | 2015-06-10 | 成都秦川科技发展有限公司 | Safety cut-off type IC (integrated circuit) card intelligent mass flow rate gas meter and management system thereof |
| CN104700506A (en) * | 2015-03-31 | 2015-06-10 | 成都秦川科技发展有限公司 | Safety cut-off type remotely-controlled intelligent mass flow rate gas meter and management system thereof |
| CN104751570A (en) * | 2015-03-31 | 2015-07-01 | 成都秦川科技发展有限公司 | IC intelligent mass and flow fuel gas meter and management system thereof |
| CN104700505B (en) * | 2015-03-31 | 2017-08-29 | 成都秦川物联网科技股份有限公司 | Remote-control intelligent mass flow gas meter, flow meter and its management system |
| CN104700506B (en) * | 2015-03-31 | 2017-10-31 | 成都秦川物联网科技股份有限公司 | Safety cut-off type remote-control intelligent mass flow gas meter, flow meter and its management system |
| CN104700504B (en) * | 2015-03-31 | 2017-10-31 | 成都秦川物联网科技股份有限公司 | Safety cut-off type IC-card intelligent quality flow gas table and its management system |
| CN104751570B (en) * | 2015-03-31 | 2017-10-31 | 成都秦川物联网科技股份有限公司 | IC-card intelligent quality flow gas table and its management system |
| CN109595464A (en) * | 2017-10-03 | 2019-04-09 | 香港中华煤气有限公司 | Gas leakage detection system |
| CN110887537A (en) * | 2019-10-17 | 2020-03-17 | 浙江威星智能仪表股份有限公司 | Gas safety detection method for gas |
| CN111174842A (en) * | 2019-12-30 | 2020-05-19 | 金卡智能集团股份有限公司 | Random number sampling method for electronic meter |
| CN111174842B (en) * | 2019-12-30 | 2021-10-19 | 金卡智能集团股份有限公司 | Random number sampling method for electronic meter |
| CN115311823A (en) * | 2022-08-11 | 2022-11-08 | 重庆宇泽森智能装备有限公司 | Gas pipeline monitoring and early warning system and method and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103471675A (en) | 2013-12-25 |
| CN203733222U (en) | 2014-07-23 |
| CN103791964A (en) | 2014-05-14 |
| CN203732117U (en) | 2014-07-23 |
| CN203848892U (en) | 2014-09-24 |
| WO2015043351A1 (en) | 2015-04-02 |
| CN103745535A (en) | 2014-04-23 |
| CN103743447A (en) | 2014-04-23 |
| CN103743447B (en) | 2016-09-21 |
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Application publication date: 20140423 |