CN202373073U

CN202373073U - Wireless remote transmitting intelligent gas meter with abnormal flow cut-off function

Info

Publication number: CN202373073U
Application number: CN2011205756214U
Authority: CN
Inventors: 林茂波; 周福根; 李福增; 林剑江
Original assignee: Zhejiang Song Chuan Instrument Science And Technology Co Ltd
Current assignee: Zhejiang Song Chuan Instrument Science And Technology Co Ltd
Priority date: 2011-12-22
Filing date: 2011-12-22
Publication date: 2012-08-08
Anticipated expiration: 2021-12-22

Abstract

The utility model relates to a wireless remote transmitting intelligent gas meter with an abnormal flow cut-off function. The wireless remote transmitting intelligent gas meter comprises a basic gas meter, a basic gas meter gas inlet and a basic gas meter gas outlet, wherein a counter is arranged on the basic gas meter; a cut-off valve is arranged in the basic gas meter gas inlet; an integrated circuit (IC) card control circuit is arranged in the basic gas meter; the counter is connected with the input end of the IC card control circuit; the output end of the IC card control circuit is connected with the cut-off valve; a wireless communication module is arranged in the basic gas meter; and the wireless communication module is connected with the IC card control circuit. According to the wireless remote transmitting intelligent gas meter, an abnormal flow parameter signal which is sent by a gas management center is received wirelessly by the wireless communication module and is transmitted to the IC card control circuit, the range of abnormal flow parameters in the IC card control circuit is set, safety accidents caused by gas leakage are avoided effectively, and the safety of gas supply is improved substantially.

Description

Has the wireless remote transmission intelligent gas meter that abnormal flow cuts off function

Technical field

The utility model relates to a kind of gas meter, flow meter, relates in particular to a kind of wireless remote transmission intelligent gas meter that abnormal flow cuts off function that has.

Background technology

Along with the development and application of natural gas source, the combustion gas number of users increases fast.The safety problem that combustion gas is used is more and more paid attention to by the whole society concerning public safety.According to the investigation of combustion gas competent authorities, the main cause that security incident takes place during resident's combustion gas is used has: the kitchen range sebific duct comes off, hose aging cracking, combustion gas tool or the outmoded leakage of pipeline, human negligence cause reasons such as the long-time improper use of kitchen range.Yet existing gas meter, flow meter only has function of measuring, and security incident takes place in can't avoiding the use of.

Because the above-mentioned problems that the natural gas applications field exists; The design people is based on being engaged in relevant manufacturing field rich experiences and strong excessively professional knowledge for many years; Application in conjunction with gas meter, flow meter is actual; Actively study innovation, in the hope of a kind of wireless remote transmission intelligent gas meter that when abnormal flow occurring, can in time cut off source of the gas is provided.

The utility model content

The problem that the utility model will solve is exactly to above deficiency a kind of wireless remote transmission intelligent gas meter that when abnormal flow occurring, can in time cut off source of the gas to be provided.Its technical scheme is following:

The utility model provides a kind of wireless remote transmission intelligent gas meter that abnormal flow cuts off function that has; Comprise: base table, base table air intake opening, base table gas outlet; On said base table, counter is housed, in said base table air intake opening, is provided with stop valve, in said base table, be provided with the IC-card control circuit; Said counter is connected with the input end of said IC-card control circuit; The output terminal of said IC-card control circuit is connected with said stop valve, in said base table, is provided with wireless communication module, and said wireless communication module is connected with said IC-card control circuit.

Aforesaid wireless remote transmission intelligent gas meter with abnormal flow cut-out function; Wherein, Said IC-card control circuit comprises receiver module, judge module, instruction generation module, sending module and the stop valve control module that connects successively; Said receiver module links to each other with said wireless communication module with said counter respectively, and said stop valve control module links to each other with said stop valve.

Owing to adopt said structure, the utlity model has following beneficial effect:

The abnormal flow parameter signal that the utility model sends through wireless communication module wireless receiving civil gas management center also transfers to the IC-card control circuit, sets the abnormal flow parameter area in the IC-card control circuit.During use; Instantaneous delivery pulse data when the IC-card control circuit receives the gas meter, flow meter operation that counter carries also carries out data acquisition and calculation, and with the abnormal flow parameter area of storage relatively, it is unusual or constant current is unusual to judge whether to take place super-flow; To close stop valve through the stop valve control module; With the cut-out source of the gas, thereby effectively avoid having increased substantially the security of gas supply because of security incident takes place gas leakage.The utility model can be stopped the supple of gas or steam to burst, superpressure, overcurrent, take off the fracture of pipe, sebific duct or aging and all kinds of Traffic Anomaly phenomenons that cause and realize that moment closes the security performance in the use of raising gas meter, flow meter automatically.

Description of drawings

Fig. 1 the utlity model has the structural representation that abnormal flow cuts off the wireless remote transmission intelligent gas meter of function;

Fig. 2 is the IC control circuit structural representation of the utility model.

In conjunction with the accompanying drawing following Reference numeral of mark above that:

The 1-base table; 2-base table air intake opening; 3-base table gas outlet; The 4-stop valve; The 5-IC card control circuit; The 51-receiver module; The 52-judge module; 53-instructs generation module; The 54-sending module; 55-stop valve control module; The 6-counter; The 7-wireless communication module.

Embodiment

As shown in Figure 1, cut off the structural representation of the wireless remote transmission intelligent gas meter of function for the utlity model has abnormal flow.The wireless remote transmission intelligent gas meter with abnormal flow cut-out function that the utility model proposes comprises: base table 1, base table air intake opening 2, base table gas outlet 3; Counter 6 (as shown in Figure 2) is housed on base table 1, is used to measure the combustion gas instantaneous delivery in the base table; In said base table air intake opening 2, be provided with stop valve 4, be used to control the opening and closing of fault of fuel gas pipeline; In said base table 1, be provided with IC-card control circuit 5 (as shown in Figure 2); Said counter 6 is connected with the input end of said IC-card control circuit 5; Being used for that the pulse signal that counter 6 sends is passed to the IC-card control circuit handles; The output terminal of said IC-card control circuit 5 is connected with said stop valve 4, thus control stop valve unlatching or close.In said base table 1, be provided with wireless communication module 7; Said wireless communication module 7 is connected with said IC-card control circuit 5; Wireless communication module 7 is used for the signal that send at wireless receiving civil gas management center; Like maximum flow parameter signal, same traffic duration parameter signal etc., and the abnormal flow parameter signal is transferred to IC-card control circuit 5 carry out parameter setting.

As shown in Figure 2, said IC-card control circuit 5 comprises receiver module 51, judge module 52, instruction generation module 53, sending module 54 and the stop valve control module 55 that connects successively.Receiver module 51 links to each other with wireless communication module 7 with counter 6 respectively, and stop valve control module 55 links to each other with stop valve 4.

Wherein receiver module 51; The pulse signal that is used for count pick up device 6; And this pulse signal is passed to judge module 52, wireless communication module 7 is used for the abnormal flow parameter signal that send at wireless receiving civil gas management center, like maximum flow parameter signal, same traffic duration parameter signal etc.; And the abnormal flow parameter signal is transferred to judge module 52, thereby set each abnormal flow parameter value of judge module 52; Judge module 52 is critical pieces of control circuit, and judge module 52 pulse signals data acquisition and calculation generate data on flows, behind the maximum allowable parameter value of in instantaneous delivery surpasses judge module 52, setting; Through the data acquisition and calculation of follow-up set point number, it is unusual to confirm that super-flow takes place, and sends instruction generation signal to instruction generation module 53; Generate and cut off instruction; And send to stop valve control circuit 55 through sending module 54, and make stop valve close, in time cut off source of the gas; Perhaps when instantaneous delivery is the normal value of judge module 52 settings; Flow that subsequent acquisition calculates and normal value relatively in the error range of setting, think that flow is identical as if both; If the identical flow duration reaches the setup parameter value; The tolerance of perhaps discharging under the same traffic reaches the setup parameter value, and it is unusual to confirm as constant current, in time cuts off source of the gas.

The application of the utility model is analyzed based on the normal flow situation of using of resident's combustion gas, and abnormal flow is divided into two kinds, and one of which: super-flow is unusual, i.e. sebific duct situation such as come off, and flow is big, even surpasses gas meter, flow meter maximum allowable flow.Its two: constant current is unusual, i.e. situation such as gas-fired equipment leakage, flow continues constant for a long time.When air communication was crossed gas meter, flow meter, the counter of gas meter, flow meter constantly rotated, and sent the arteries and veins signal; The control circuit acquisition pulse is calculated automatically, and compares with the abnormal flow parameter that presets; When confirming the abnormal flow situation takes place, control circuit drives built-in stop valve and cuts off source of the gas.The user can be restarted gas meter, flow meter through inserting subscriber card after eliminating the unusual reason of combustion gas use, confirming safety.

The utility model can be stopped the supple of gas or steam to burst, superpressure, overcurrent, take off the fracture of pipe, sebific duct or aging and all kinds of Traffic Anomaly phenomenons that cause and realize that moment closes the security performance in the use of raising gas meter, flow meter automatically.Each item abnormal flow parameter of the utility model is all set through the wireless communication module transmission.During gas meter, flow meter generation abnormal flow, the failure message IMU is crossed wireless communication module and is uploaded the civil gas management center, effectively improves the security that combustion gas is used.

What should explain at last is: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although this instructions has carried out detailed explanation to the utility model cutter with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of the spirit and the scope of the utility model, and it all should be encompassed in the claim scope of the utility model.

Claims

1. one kind has the wireless remote transmission intelligent gas meter that abnormal flow cuts off function; Comprise: base table, base table air intake opening, base table gas outlet; On said base table, counter is housed, in said base table air intake opening, is provided with stop valve, the IC-card control circuit is housed on said base table; Said counter is connected with the input end of said IC-card control circuit; The output terminal of said IC-card control circuit is connected with said stop valve, in said base table, is provided with wireless communication module, and said wireless communication module is connected with said IC-card control circuit.

2. the wireless remote transmission intelligent gas meter with abnormal flow cut-out function according to claim 1; It is characterized in that; Said IC-card control circuit comprises receiver module, judge module, instruction generation module, sending module and the stop valve control module that connects successively; Said receiver module links to each other with said wireless communication module with said counter respectively, and said stop valve control module links to each other with said stop valve.