CN203848892U - Safety-cutout-type Internet of Things intelligent gas meter - Google Patents
Safety-cutout-type Internet of Things intelligent gas meter Download PDFInfo
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- CN203848892U CN203848892U CN201420043663.7U CN201420043663U CN203848892U CN 203848892 U CN203848892 U CN 203848892U CN 201420043663 U CN201420043663 U CN 201420043663U CN 203848892 U CN203848892 U CN 203848892U
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Classifications
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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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- Mechanical Engineering (AREA)
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Abstract
The utility model belongs to a gas meter and discloses a safety-cutout-type Internet of Things intelligent gas meter which comprises a basic meter body, a signal collecting and processing circuit and a safety-cutout-type Internet of Things intelligent gas meter terminal microcomputer controller. A gas inlet and a gas outlet are arranged on the basic meter body, a cutout valve is mounted on the gas inlet, the signal collecting and processing circuit is connected in the safety-cutout-type Internet of Things intelligent gas meter terminal microcomputer controller, and the cutout valve is connected in the safety-cutout-type Internet of Things intelligent gas meter terminal microcomputer controller through a cutout valve control circuit. Quantity of gas flowing through the basic meter body is collected in real time through the signal collecting and processing circuit and timely transmitted to the safety-cutout-type Internet of Things intelligent gas meter terminal microcomputer controller; when the circumstance that the basic meter body are in abnormal states like small flow leaking and abnormal large flow is detected, the cutout valve on the basic meter body can be closed timely, and a warning can be sent out, so that burning or exploding caused by excessive gas leakage can be avoided, and life and property safety of people can be protected.
Description
Technical field
The utility model relates to a kind of gas meter, flow meter, and in particular, the utility model relates generally to a kind of safety cut-off type Intelligent gas meter based on internet of things.
Background technology
At present, the development of Intelligent gas meter based on internet of things is scarcely out of swaddling-clothes, it need to combine Long-distance Transmission Technologies to use and just can complete exchanges data with Internet technology, complete relevant remote meter reading, long-range supplementing with money, Long-distance Control and the function such as the real-time connecting Internet network of gas meter, flow meter, but Intelligent gas meter based on internet of things is but ineffective to the abnormality occurring in combustion gas use procedure, embodiment is processed reliably, while in use there is abnormality in combustion gas, may produce leakage, catch fire, the situations 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.In the time that combustion gas generation low discharge leaks, the combustion gas of the Intelligent gas meter based on internet of things of flowing through tends to the phenomenon that thereupon occurs that flow velocity is very slow, the existing Intelligent gas meter based on internet of things cutting function of not reporting to the police, and the leakage of combustion gas cannot be processed in time.
Existing Intelligent gas meter based on internet of things does not have abnormal large flow pipe road to cut off management and relevant alarm mechanism, in the time there is abnormal large flow leakage in combustion gas, combustion gas spreads in user's kitchen space, produces the potpourri of combustion gas and air, and existence is blasted and the substantial risk of fire.When user ats fault, cause kitchen range to cross for a long time mess kit is heated, mess kit on kitchen range may ignition, the existing Intelligent gas meter based on internet of things cutting function of not reporting to the police, possible initiation fire, produces great security incident.The aspirated pressure of outside gas pipe line may change because of certain reason, existing Intelligent gas meter based on internet of things combustion gas input port front end does not have sensing device, can not realize warning cutting function, continues to gas equipment air feed, may cause the fault of gas equipment, as cutoff, gas leakage etc.
Therefore be necessary for the problems referred to above, existing Intelligent gas meter based on internet of things is done to further improvement, realize the warning function of abnormality, and can cut off output combustion gas timely, stop the generation of the peril such as fire and blast, be beneficial to related management and the security control of gas company, be beneficial to the use combustion gas that user is safer.
Utility model content
One of the purpose of this utility model is for above-mentioned deficiency, a kind of safety cut-off type Intelligent gas meter based on internet of things is provided, use while there is abnormality to expect to solve in prior art combustion gas, 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 utility model by the following technical solutions:
A kind of safety cut-off type Intelligent gas meter based on internet of things provided by the utility model, 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 Intelligent gas meter based on internet of things terminal microcomputer controller, described signal acquisition processing circuit and data transmission module be access security cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller respectively, the mutual transmission of control signals of described data transmission module and data acquisition unit, and by described data acquisition unit accessing Internet, sell the steering order of gas management system for obtaining far-end by safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller from internet, 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 Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things terminal microcomputer controller;
The inside of described safety cut-off type Intelligent gas meter based on internet of things 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 judges whether to close stop valve by stop valve control circuit according to comparing result.
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;
In described safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller, also comprise EEPROM data-carrier store, sell the instruction of supplementing with money of gas management system for storing far-end.
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 Intelligent gas meter based on internet of things 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, from sensor detection module, gather environmental information by safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller, judge whether to close stop valve by stop valve control circuit according to current environmental information, 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 Intelligent gas meter based on internet of things terminal microcomputer controller respectively, when there is under-voltage, power-off and magnetic interference in gas meter, flow meter use procedure, completed the operation of closing valve, warning and recovering state by circuit corresponding to safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller control;
Described data acquisition unit is also by wireless or wired mode access data concentrator, and described data concentrator accessing Internet, is connected with the gas management system of selling of far-end by internet; Described data transmission module is network communication module or bus communication module.
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 Intelligent gas meter based on internet of things terminal microcomputer controller also, and at least completes the operation of warning for auxiliary security cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller;
Described data transmission module is by USB interface and safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller; Described safety cut-off type Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things terminal microcomputer controller also, for read the load value data of IC-card by IC-card information exchange module by safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller;
The interface of described network communication module is at least any one in the middle of RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface, infrared module interface or Optical Fiber Transmission interface, data line transmission interface, line of electric force transmission interface;
The interface of described bus communication module is at least any one in the middle of Mbus bus interface, RS485 bus interface, CAN bus interface.
Further technical scheme is: described safety cut-off type Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things terminal microcomputer controller control liquid crystal display circuit;
In described safety cut-off type Intelligent gas meter based on internet of things 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, installs by O-ring seal static seal; 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 the beneficial effects of the utility model are: 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 Intelligent gas meter based on internet of things meter terminal microcomputer controller, detecting that base table body occurs that low discharge leaks, when the abnormality such as abnormal large flow and service time are long, can close in time the stop valve on base table body, and can pass through liquid crystal display, hummer is reported to the police, avoid gas leakage excessive, cause burning or explosion phenomenon, protection people safety of life and property, simultaneously, safety cut-off type Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things meter terminal microcomputer controller pass valve operation, and a kind of safety cut-off type Intelligent gas meter based on internet of things provided by the utility model is simple in structure, is suitable for suitability for industrialized production, be easy to promote.
Brief description of the drawings
Fig. 1 is that the combustion gas state acquisition for an embodiment of the utility model is described is processed block diagram;
Fig. 2 is the structural representation block diagram for another embodiment of the utility model is described;
Fig. 3 is the one-piece construction schematic diagram for another embodiment stop valve of the utility model is described;
Fig. 4 is for illustrating that another embodiment middle gear reducer casing first of the utility model splits face structural representation;
Fig. 5 is for illustrating that another embodiment middle gear reducer casing second of the utility model splits face structural representation;
Fig. 6 is for the utility model structural representation of an embodiment driving gear and the motive seal of transmission shaft reducer casing reinforcement is again described;
Fig. 7 is the safety cut-off type Intelligent gas meter based on internet of things management system composition frame chart for another embodiment of the utility model is described.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated.
Shown in figure 1, an embodiment of the present utility model is a kind of safety cut-off type Intelligent gas meter based on internet of things, 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 Intelligent gas meter based on internet of things terminal microcomputer controller, described signal acquisition processing circuit and data transmission module be access security cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller respectively, the mutual transmission of control signals of described data transmission module and data acquisition unit, and by described data acquisition unit accessing Internet, sell the steering order of gas management system for obtaining far-end by safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller from internet,
The collection terminal of above-mentioned 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 Intelligent gas meter based on internet of things terminal microcomputer controller;
The effect of above-mentioned gas meter, flow meter structure is: gathered the flow information of the inner combustion gas process of base table body by signal acquisition processing circuit, and be converted into corresponding electronic measurement pulse signal input safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller; And the data of utilizing technology of Internet of things to sell between gas management system terminal gas meter, flow meter and far-end are transmitted, to ensure the integrality of data transmission, and the standardization of area terminal gas meter, flow meter management.
Preferably, inventor is also with reference to prior art, in above-mentioned safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller, be provided with EEPROM data-carrier store, sell the instruction of supplementing with money of gas management system for storing far-end, so that the amount of money number of it being supplemented with money in advance by microcomputer controller is deducted processing.
And 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 in the inside of above-mentioned safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller, 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 is used state extremely, while further judging, belong to any abnormality, and determine whether close stop valve by stop valve control circuit 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 Intelligent gas meter based on internet of things 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 utility model is taking displacement machine measurement technology as basis (being above-mentioned alleged base table body), count the combination of billing technology by tongue tube button by signal acquisition process technology, safety cut-off valve technology and remote data transmission technology, microcomputer controller, realize the gas meter, flow meter of the safety cut-off functions such as valve control, exceptional state alarm, in safety cut-off type Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things gather, use habit in conjunction with user is analyzed, three kinds of abnormal conditions that base table body the most often occurs are roughly 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 utility model, be defined as follows for aforementioned three kinds of situations:
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 at the utility model, 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 ensureing that base table body uses 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 Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things 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, from sensor detection module, gather environmental information by safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller, judge whether to close stop valve by stop valve control circuit according to current environmental information, 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, convert switching value output signal to for the signal that external sensor is passed over, and switching value output signal can be delivered to safety cut-off type Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things terminal microcomputer controller respectively, for occurring under-voltage in gas meter, flow meter use procedure, when power-off and magnetic interference, complete pass valve by circuit corresponding to safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller control, the operation of warning and recovering state.
Meanwhile, above-mentioned data transmission module is network communication module or bus communication module, and by wireless or wired mode access data collector; Data acquisition unit is also by wireless or wired mode access data concentrator, and described data concentrator accessing Internet, is connected with the gas management system of selling of far-end by internet.
In the time that data transmission module is network communication module, in the wireless transmission interface such as RF module interface, Zigbee module interface, WiFi module interface, infrared module interface and bluetooth module interface that its interface can be in the prior art, select, also can adopt the wire transmission interfaces such as ripe Optical Fiber Transmission interface, data line transmission interface and line of electric force transmission interface;
In the time that data transmission module is bus communication module, its interface can be selected in the middle of Mbus bus interface, RS485 bus interface, CAN bus interface.
For convenience of the replacing of dissimilar transport module, above-mentioned data transmission module is connected with safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller by USB interface simultaneously; And be the compatibility that increases safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller and data transmission module, also can adopt the serial line interfaces such as USART interface, SPI interface or I2C interface that both are connected and carry out data transmission.
Just as described above, safety cut-off type Intelligent gas meter based on internet of things is delivered to relevant information in data transmission module, transfer to internet by the upper strata such as data acquisition unit, data concentrator multistage communication device again, thereby arrive the gas management system of selling, and then carry out Data dissemination and integration by internet, thereby realize GradeNDivision data area, realize data at safety cut-off type Intelligent gas meter based on internet of things and sell between gas management system exchanging.Thereby carry out relevant remote valve control, internet is supplemented with money, the operation such as connecting Internet network in real time.
Shown in Fig. 7, in the system of safety cut-off type Intelligent gas meter based on internet of things composition, in the time selling gas management system to safety cut-off type Intelligent gas meter based on internet of things transmission data, sell gas management system and pass through internet, pass through data concentrator, data link (as needs can be set up), the upper strata multistage communication devices such as data acquisition unit by relevant data transmission in data transmission module, safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller receives relevant data and steering order from data transmission module, complete relevant pass valve according to the steering order receiving, the action such as supplement with money, when safety cut-off type Intelligent gas meter based on internet of things transmits when data to selling gas management system, first pass through data transmission module, again by upper strata multistage communication device, arrive again internet, finally arrive the gas management system of selling, gas company realizes the exchanges data of selling between gas management system and gas meter, flow meter by which, realize the unified management to all safety cut-off type Intelligent gas meter based on internet of things.
On the other hand, the utility model can be directly taking 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 Intelligent gas meter based on internet of things terminal microcomputer controller, for read the load value data of IC-card by IC-card information exchange module by safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller, carry out the second approach of data transmission as the utility model.
What above-mentioned and IC-card information exchange module carried out information interaction is can be central any one of memory card, logic encryption card and CPU card.
In addition, trigger safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller in above-mentioned abnormal conditions, its execution is closed after the operation of stop valve, know for timely reminding user, 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 Intelligent gas meter based on internet of things terminal microcomputer controller of hummer, and at least complete the operation of warning for auxiliary security cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller, in the time there is above-mentioned any one abnormality in gas meter, flow meter, in closing valve, also carry out sound and light alarm by hummer and liquid crystal display;
For realizing electronic counting and button number; above-mentioned safety cut-off type Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things pre-payment button simultaneously, above-mentioned safety cut-off type Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things terminal microcomputer controller control liquid crystal display circuit, in safety cut-off type Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things terminal microcomputer controller, be also provided with maximum stand-by time value, overcome the problem of aforementioned distortion by the initialization of Intelligent gas meter based on internet of things terminal microcomputer controller; In Intelligent gas meter based on internet of things terminal microcomputer controller, be also provided with clock can controller simultaneously, and Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things 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 in the time receiving the instruction of Intelligent gas meter based on internet of things terminal microcomputer controller.
And another embodiment that the concrete structure of stop valve is the utility model 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, in the time that 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 guarantee 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 in the time that 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 utility model, 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 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, in the time that 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 utility model, 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 utility model above-described embodiment 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; In the time that 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, in the time that 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.In the time that 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 utility model above-described embodiment 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, in the time that 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 ensures 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, ensure that the Leakage Gas cutting off in valve body meets security requirement to the leakage rate in motor cavity.
The utility model 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 peril 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 Fig. 7, above-mentioned selling in gas management system at least comprises with lower module:
Service management module: open an account for realizing, 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: keeper is set, menu setting, password setting, invoice format setting, the function of serial port setting for realizing.
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 Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things, thereby realize exchanges data.Gas company realizes the unified management of all safety cut-off type Intelligent gas meter based on internet of things by which.
While having comprised input abnormality all in the present embodiment in technique scheme, safety cut-off type Intelligent gas meter based on internet of things is from obtaining abnormality signal to all processes of processing abnormality, safety cut-off type Intelligent gas meter based on internet of things is in the time generation abnormality signal being detected, timely stop valve implements to cut out, show by liquid crystal display simultaneously, and by buzzer warning, in the time that all abnormality are eliminated, can return to normal condition by abnormality restoring circuit.
The combustion gas gas safety problem that safety cut-off type Intelligent gas meter based on internet of things 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 accident such as fire, blast that combustion gas causes, by safety cut-off type Intelligent gas meter based on internet of things, 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 utility model, by using safety cut-off type Intelligent gas meter based on internet of things, 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 Intelligent gas meter based on internet of things, can, in the time that outside supply gas pressure is too low, cut off fuel gas supply, prevent from causing gas-fired equipment cutoff and gas leak phenomenon because supply gas pressure is too low, make user's use gas-fired equipment of safety standard more.
By using safety cut-off type Intelligent gas meter based on internet of things, can use external Earthquake sensor in the time that 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 Intelligent gas meter based on internet of things, in the time there is battery undervoltage state, prompting user changes battery, ensure the normal use of gas meter, flow meter various functions, in the time 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, in the time of off-position, can preserve timely associative operation record and data, prevent the loss of data.
Safety cut-off type Intelligent gas meter based on internet of things can be closed at generation stop valve, when liquid crystal display display alarm information, hummer send alerting signal, can be by interrupting powered battery, after re-powering, gas meter, flow meter is after relevant abnormality is removed, carry out self-inspection, recover the state using normal.
Gas company can remote real time monitoring, 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 Intelligent gas meter based on internet of things 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 possesses the warning function of combustion gas use abnormality, and can cut off output combustion gas timely, stop the generation of the peril 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, be delivered to long-range selling in gas management system by telecommunication equipment, 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 ", " embodiment " etc. that spoken of in this manual, refer in conjunction with specific features, structure or the feature of this embodiment description and be included at least one embodiment of the application's generality description.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 to realize this feature, structure or feature in conjunction with other embodiment also to drop in scope of the present utility model.
Although the utility model is described with reference to multiple explanatory embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiments, within these amendments and 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 (8)
1. a safety cut-off type Intelligent gas meter based on internet of things, 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 Intelligent gas meter based on internet of things terminal microcomputer controller, described signal acquisition processing circuit and data transmission module be access security cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller respectively, the mutual transmission of control signals of described data transmission module and data acquisition unit, and by described data acquisition unit accessing Internet, sell the steering order of gas management system for obtaining far-end by safety cut-off type Intelligent gas meter based on internet of things terminal microcomputer controller from internet,
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 Intelligent gas meter based on internet of things 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 Intelligent gas meter based on internet of things terminal microcomputer controller.
2. safety cut-off type Intelligent gas meter based on internet of things 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.
3. safety cut-off type Intelligent gas meter based on internet of things according to claim 2, 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).
4. safety cut-off type Intelligent gas meter based on internet of things according to claim 2, is characterized in that: described motor (1) is installed by O-ring seal static seal in the inside of inner housing (4).
5. safety cut-off type Intelligent gas meter based on internet of things according to claim 2, it is characterized in that: the output shaft of described motor (1) stretches into gear reduction box (2), and between the output shaft of motor (1) and gear reduction box (2), be provided with O-ring seal, 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.
6. safety cut-off type Intelligent gas meter based on internet of things according to claim 2, it is characterized in that: described ratchet doubly-linked gear (26) forms by fixedly mount ratchet-gear wheel above gear, described lock dog (28) fastens with ratchet-gear wheel, and gear is meshed with imperfect gear (27) and driving gear (23) respectively.
7. safety cut-off type Intelligent gas meter based on internet of things according to claim 2, is characterized in that: the ratchet on described ratchet-gear wheel counterclockwise tilts, and for after fastening with lock dog (28), only can rotate towards clockwise direction.
8. safety cut-off type Intelligent gas meter based on internet of things according to claim 2, it is characterized in that: 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 |
|---|---|---|---|
| CN201420043663.7U CN203848892U (en) | 2013-09-29 | 2014-01-23 | Safety-cutout-type Internet of Things 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 | ||
| CN201420043663.7U CN203848892U (en) | 2013-09-29 | 2014-01-23 | Safety-cutout-type Internet of Things intelligent gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203848892U true CN203848892U (en) | 2014-09-24 |
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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 |
| CN201420045275.2U Expired - Lifetime CN203732117U (en) | 2013-09-29 | 2014-01-23 | Intelligent safety cut-off type remote control gas meter |
| CN201410032763.4A Active CN103743447B (en) | 2013-09-29 | 2014-01-23 | Cut-out type diaphragm gas meter |
| CN201420043663.7U Expired - Lifetime CN203848892U (en) | 2013-09-29 | 2014-01-23 | Safety-cutout-type Internet of Things intelligent gas meter |
| CN201410032923.5A Pending CN103743448A (en) | 2013-09-29 | 2014-01-23 | Safe-cutoff remote control intelligent gas meter |
| CN201410032116.3A Pending CN103791964A (en) | 2013-09-29 | 2014-01-23 | Safe cut-off type internet-of-things intelligent gas meter |
| CN201420044882.7U Expired - Lifetime CN203733222U (en) | 2013-09-29 | 2014-01-23 | Intelligent safety cut-off type IC card gas meter |
| CN201410033790.3A Pending CN103745535A (en) | 2013-09-29 | 2014-01-23 | Safe-cutoff IC card intelligent gas meter |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104568508A Pending CN103471675A (en) | 2013-09-29 | 2013-09-29 | Cutting 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 |
| CN201410032763.4A Active CN103743447B (en) | 2013-09-29 | 2014-01-23 | Cut-out type diaphragm gas meter |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410032923.5A Pending CN103743448A (en) | 2013-09-29 | 2014-01-23 | Safe-cutoff remote control intelligent gas meter |
| CN201410032116.3A Pending CN103791964A (en) | 2013-09-29 | 2014-01-23 | Safe cut-off type internet-of-things intelligent gas meter |
| CN201420044882.7U Expired - Lifetime CN203733222U (en) | 2013-09-29 | 2014-01-23 | Intelligent safety cut-off type IC card gas meter |
| CN201410033790.3A Pending CN103745535A (en) | 2013-09-29 | 2014-01-23 | Safe-cutoff IC card intelligent gas meter |
Country Status (2)
| Country | Link |
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| CN (8) | CN103471675A (en) |
| WO (1) | WO2015043351A1 (en) |
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- 2014-01-23 CN CN201410032763.4A patent/CN103743447B/en active Active
- 2014-01-23 CN CN201420043663.7U patent/CN203848892U/en not_active Expired - Lifetime
- 2014-01-23 CN CN201410032923.5A patent/CN103743448A/en active Pending
- 2014-01-23 CN CN201410032116.3A patent/CN103791964A/en active Pending
- 2014-01-23 CN CN201420044882.7U patent/CN203733222U/en not_active Expired - Lifetime
- 2014-01-23 CN CN201410033790.3A patent/CN103745535A/en active Pending
- 2014-08-27 WO PCT/CN2014/085250 patent/WO2015043351A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103791964A (en) * | 2013-09-29 | 2014-05-14 | 成都秦川科技发展有限公司 | Safe cut-off type internet-of-things intelligent gas meter |
| CN104697596A (en) * | 2015-03-24 | 2015-06-10 | 成都千嘉科技有限公司 | Anti-thunder gas meter and gas metering control system |
| CN113554860A (en) * | 2020-04-16 | 2021-10-26 | 萨基姆通讯能源及电信联合股份公司 | Fluid meter arranged to detect leaks and ensure safety of a facility |
| CN111811597A (en) * | 2020-07-11 | 2020-10-23 | 嘉兴学院 | Intelligent gas meter based on internet of things communication |
| CN111811597B (en) * | 2020-07-11 | 2022-05-13 | 嘉兴学院 | Intelligent gas meter based on internet of things communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103743447A (en) | 2014-04-23 |
| WO2015043351A1 (en) | 2015-04-02 |
| CN103743448A (en) | 2014-04-23 |
| CN103745535A (en) | 2014-04-23 |
| CN103791964A (en) | 2014-05-14 |
| CN103743447B (en) | 2016-09-21 |
| CN103471675A (en) | 2013-12-25 |
| CN203733222U (en) | 2014-07-23 |
| CN203732117U (en) | 2014-07-23 |
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