CN202972542U - Indoor gas safe system - Google Patents

Indoor gas safe system Download PDF

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Publication number
CN202972542U
CN202972542U CN 201220686438 CN201220686438U CN202972542U CN 202972542 U CN202972542 U CN 202972542U CN 201220686438 CN201220686438 CN 201220686438 CN 201220686438 U CN201220686438 U CN 201220686438U CN 202972542 U CN202972542 U CN 202972542U
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China
Prior art keywords
gas
detection alarm
module
safety
combustion
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CN 201220686438
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Chinese (zh)
Inventor
牛军
于乐忠
郑克敏
臧立
范正强
丁亚军
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PUHAI NEW TECH Co Ltd TIANJIN CITY
Tianjin Puhai New Technology Co Ltd
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PUHAI NEW TECH Co Ltd TIANJIN CITY
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Abstract

An indoor gas safe system comprises a gas source, a gas metering device, a gas detection alarm device and gas equipment, wherein the gas metering device is respectively connected with the gas source and the gas equipment through gas pipelines. The gas metering device is a membrane type gas metering device and comprises a casing, an actuation mechanism arranged in the casing, an emergency off mechanism and an earthquake sensor, wherein the actuation mechanism, the emergency off mechanism and the earthquake sensor are arranged in the casing, the emergency off mechanism and the earthquake sensor are respectively connected with the actuation mechanism, and the gas detection alarm device is connected with the actuation mechanism. The indoor gas safe system can effectively monitor safety opening situations of a gas pipeline system, can timely monitor indoor space gas leakage and fire alarm situations, can forecast and early warns to treat emergently and guarantees safety of a gas system.

Description

The indoor fuel gas safety system
Technical field
The utility model relates to a kind of indoor fuel gas supply system, particularly a kind of free-standing indoor fuel gas safety system.
Background technique
Combustion gas is used for life of urban resident, in existing more than the 100 year history of China.From the eighties of last century the nineties, the gas cause of China has had swift and violent development, has at present family more than 100,000,000, and approximately 400,000,000 populations use various combustion gas in daily life, and is developing with the speed of 8,000,000 left and right that Add User every year.Along with being widely used of combustion gas, the gas explosion that causes due to a variety of causes, the accident such as poisoning also increase.Wherein private residence gas accidents shared ratio in all kinds of accident total amounts is maximum, and the risk of private residence maximum is that combustion gas fires, and is difficult to take precautions against.In residential building, gas accidents mostly is bursty nature, and it mainly contains combustion gas partial combustion, gas leakage etc.Poisoning the firing with gas leakage of combustion gas partial combustion becomes main burst accident.Along with the building seal is become better and better, the carbon monoxide poisoning accident that causes due to partial combustion is also more and more higher, according to investigations, and because the number of carbon monoxide poisoning death has accounted for more than 50% of gas accidents death toll.Therefore large-scale popularization is used complex detector in the world, and namely a prober can be surveyed gas leakage, partial combustion (carbon monoxide) and fire (temperature-sensitive or sense cigarette) simultaneously, and the configuration accident recorder, for reviewing.
The gas accidents prevention of residential building is a very scabrous problem, because resident's schooling just differs, the combustion gas of grasp uses knowledge also to have to be had less more, and its administration cost again can not be too high.The safe drumbeating method that China taked originally is mainly to strengthen propaganda strength, changes super labour equipment, and its effect is limited, but can not tackle the problem at its root for whole indoor fuel gas supply system.Current development trend is to take various technological means residential building to be forged into " essential safe type " to use the gas place.So-called " essential safe type " with the implication in gas place is: the gas safe in residential building is given security by indoor fuel gas security provisions system self fully, the various device that forms this system has automatic Prediction, early warning and disposal function, consist of thus the intrinsic safety system of gas supply, to guarantee to greatest extent safety, reliable, timely, effective.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of gas leakage and the fire alarm situation that can in time monitor the private residence interior space, guarantees the free-standing indoor fuel gas safety system of system nature's safety.
to achieve these goals, the utility model provides a kind of indoor fuel gas safety system, comprise source of the gas, combustible gas metering arrangement, combustion gas detection alarm device and gas-fired equipment, described combustible gas metering arrangement is connected with described source of the gas and described gas-fired equipment respectively by gas pipeline, wherein, described combustible gas metering arrangement is the diaphragm gas measuring apparatus, comprise housing and the actuator that is arranged in described housing, emergency cut-off mechanism and seismic sensor cable device, described emergency cut-off mechanism be connected the seismic sensor cable device and be connected with described actuator respectively, described combustion gas detection alarm device is connected with described actuator.
Above-mentioned indoor fuel gas safety system, wherein, described combustion gas detection alarm device comprises gas leakage detection alarm module, partial combustion detection alarm module and fire detecting and alarm module, and described gas leakage detection alarm module, described partial combustion detection alarm module and described fire detecting and alarm module are connected with described actuator respectively.
Above-mentioned indoor fuel gas safety system, wherein, described combustion gas detection alarm device also comprises accident recorder, and described accident recorder is connected with described gas leakage detection alarm module, described partial combustion detection alarm module and described fire detecting and alarm module respectively.
Above-mentioned indoor fuel gas safety system, wherein, described combustion gas detection alarm device also comprises miniature leak detection device, described miniature leak detection device is connected with described gas leakage detection alarm module, described miniature leak detection device is arranged on described gas pipeline between described combustible gas metering arrangement and described gas-fired equipment, described gas pipeline is the ripple cage walls, be provided with flow guide structure on described ripple cage walls and the wall coil joint is installed out, described miniature leak detection device is arranged on and describedly goes out on the wall coil joint.
Above-mentioned indoor fuel gas safety system, wherein, described miniature leak detection device comprises housing and is arranged on the interior exploring block of described housing, be provided with pod apertures on the sidewall of described housing, be provided with on described pod apertures for going out with described the linkage structure that the wall coil joint is connected.
Above-mentioned indoor fuel gas safety system, wherein, described exploring block comprises circuit board module, gas transducer and Check processing module, described gas transducer and described Check processing module are arranged on described circuit board module, described circuit board module is arranged on described housing, and described circuit board module is connected with described gas leakage detection alarm module.
Above-mentioned indoor fuel gas safety system wherein, also is provided with exhaust port on described housing.
Above-mentioned indoor fuel gas safety system, wherein, also comprise super concentration power breaker, described super concentration power breaker comprises for the input interface that is connected with power supply, for the output interface and the control module that are connected with consumer, described input interface is connected by follow-up power circuit with described output interface, described control module is arranged on described follow-up power circuit, and described control module is connected with described combustion gas detection alarm device and described combustible gas metering arrangement respectively.
Above-mentioned indoor fuel gas safety system, wherein, described control module comprises drive circuit and control circuit, described drive circuit be connected control circuit and be connected with described follow-up power circuit respectively.
Above-mentioned indoor fuel gas safety system wherein, also comprises the overcurrent cut-off valve, and described overcurrent cut-off valve is arranged on described gas pipeline between described combustible gas metering arrangement and described gas-fired equipment.
Beneficial functional of the present utility model is:
This system can effectively monitor pipeline security of system runnability, can in time monitor again gas leakage and the fire alarm situation of the private residence interior space; Can not only predict, early warning, and can emergency action, guarantee system nature's safety.
1, the built-in emergency shutoff device of membrane type measuring apparatus, and leave interface with a plurality of signal sources in the external world, in case receive various trouble-signals, can emergency cut-off, existing effective disposal function, and omitted again measuring apparatus Emergeny Cutoff Valves independently outward, both reached the safe disposal purpose, simplify again technique, reduced investment.
2, be provided with the seismic sensor cable device in the membrane type measuring apparatus, can accept seismic signal, can because the vibrations such as neighbour fires make system influenced, more can effectively prevent surreptitiously gas again.As long as have the measuring apparatus burst to tilt and vibration signal, just emergency shutoff device can be disposed automatically.Its shut-off means and the power consumption of seismic sensor cable device are by the dryelement cell supply.
3, bury wall stainless steel ripple cage walls, the fast mounting pipe joint that its top goes out the wall place is provided with miniature gas leak detection device, drainage system is arranged on it, when the inner gas leakage of protecting cover, must flow to this prober, must can the timely and effective signal of receiving, and chain with the built-in emergency shutoff device of membrane type measuring apparatus, it can in time detect the fine status of corrugated stainless steel tubing in cage walls, if it has breakage, micro detector can receive that just signal is disposed, and guarantees the security of operation with tracheae after measuring apparatus.
4, adopt the overcurrent cut-off valve with the burner joint, it act as when in pipe, gas flow increases suddenly, and this valve is automatic ground cut-out pipeline, can guarantee because of with the coming off of burner connecting tube, the safety of artificial damage when (comprise and utilize combustion gas suicide etc.).
5, the interior space is provided with compound gas detector, it has the warning functions such as gas leakage, partial combustion and fire, these signals are sent to the built-in shut-off means of membrane type measuring apparatus, as long as the CO value that gas leakage concentration, interior space temperature and partial combustion produce is over setting value, shut-off means just moves cut-out.And the inner built-in accident recorder of composite detector, before the accident that can in good time record occurs, the interior numerical value such as gas leakage concentration, temperature and carbonomonoxide concentration every the 4min period of 25h, be convenient to review, and is beneficial to the accident evidence obtaining and analyzes.
6, be that preventing gas leakage does not reach concentration or the warning cutting system hinders the cut-out of failing to report to the police timely and effectively for some reason; and to fail to take the people after anti-the cut-out be that measure is ventilated with reduction indoor fuel gas concentration; therefore lower than gas leakage alarm concentration the time; automatic cut-off power in advance; super concentration power-off protection apparatus is set, in case fire the generation secondary disaster because indoor artificial or natural cause produces electrical spark.
7, except needing the 220V forceful electric power, gas detector supplies low-tension current by the built-in DC-AC conversion device of power-off protection apparatus; the signal of measuring apparatus is accepted and is disposed all with the dryelement cell energy supply; life-span is generally 5 years, and whole automatic control system is all connected with signal bus.
Generally speaking, the accident conditions of pipe-line system can not only in time be understood and dispose in this system, and can in time understand and dispose interior space accident conditions; In time prediction, early warning and disposal, and separately have super concentration power-off protection to avoid secondary disaster to occur; And this system is just in case fail for some reason in time to dispose, and 25h operating mode before it also can record in good time is convenient to review, and is beneficial to evidence obtaining and analyzes.So functions such as this system has the acquisition of signal collection such as gas leakage, partial combustion, fire and earthquake and disposal automatically, the cut-out of gas flow overcurrent, super concentration gas leakage, power-off protection and accident are reviewed, collect evidence, analysis.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Description of drawings
Fig. 1 is the utility model one embodiment's structural representation;
Fig. 2 is the utility model one embodiment's miniature leak detection device structural representation;
Fig. 3 is the scheme of installation of miniature leak detection device of the present utility model;
Fig. 4 is the utility model one embodiment's super concentration power breaker circuit theory diagrams;
Fig. 5 is super concentration power breaker circuit structure diagram of the present utility model (cutting off whole power supply);
Fig. 6 is super concentration power breaker circuit structure diagram of the present utility model (cutting off locally supplied power source).
Wherein, reference character
100 sources of the gas
200 combustible gas metering arrangements
201 housings
202 actuators
203 emergency cut-off mechanisms
204 seismic sensor cable devices
1 power supply
11 signaling lines
12 linking routes
10 surpass the concentration power breaker
101 input interfaces
102 output interfaces
103 control modules
1031 drive circuits
1032 control circuits
104 follow-up power circuits
105 power failure lamps
106 connecting ports
20 combustion gas detection alarm devices
2 miniature leak detection devices
21 housings
211 pod apertures
212 linkage structures
213 exhaust ports
22 exploring blocks
221 circuit board modules
222 gas transducers
223 Check processing modules
3 gas-fired equipments
4 gas pipelines
41 bellowss
42 sheaths
5 go out the wall coil joint
51 tapped holes
6 consumers
7 overcurrent cut-off valves
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and working principle are done concrete description:
Referring to Fig. 1, Fig. 1 is the utility model one embodiment's structural representation.indoor fuel gas safety system of the present utility model, comprise source of the gas 100, combustible gas metering arrangement 200, combustion gas detection alarm device 20 and gas-fired equipment 3, described combustible gas metering arrangement 200 is connected with described source of the gas 100 and described gas-fired equipment 3 respectively by gas pipeline 4, described combustible gas metering arrangement 200 is the diaphragm gas measuring apparatus, built-in seismic sensor cable device 204 and emergency shutoff device in it, and device is accepted earthquake, gas leakage, in partial combustion and fire signal, outer communication interface, in case receive above-mentioned signal, automatically cut off at once and dispose, the generation of prevention and minimizing gas accidents.Acknowledge(ment) signal and the required energy consumption of automatic disposal can be from its built-in dryelement cell.In the present embodiment, this diaphragm gas measuring apparatus comprises housing 201 and is arranged on interior actuator 202, emergency cut-off mechanism 203 and the seismic sensor cable device 204 of described housing 201, described emergency cut-off mechanism 203 be connected seismic sensor cable device 204 and be connected with described actuator 202 respectively, described combustion gas detection alarm device 20 is connected with described actuator 202.
Described combustion gas detection alarm device 20 comprises gas leakage detection alarm module, partial combustion detection alarm module and fire detecting and alarm module (not shown), and described gas leakage detection alarm module, described partial combustion detection alarm module and described fire detecting and alarm module are connected with described actuator 202 respectively.Described combustion gas detection alarm device 20 also comprises the accident recorder (not shown), and described accident recorder is connected with described gas leakage detection alarm module, described partial combustion detection alarm module and described fire detecting and alarm module respectively.This combustion gas detection alarm device 20 has the functions such as gas leakage detection alarm, partial combustion detection alarm and fire detecting and alarm concurrently in one, be used for surveying the signal in the interior space, and pass through communication bus, by built-in actuator 202, control timely and effectively emergency cut-off mechanism 203 and cut off disposal.Accident recorder wherein in case the interior numerical value such as gas leakage concentration, carbonomonoxide concentration and temperature every the 4min period of 25h before the accident that can record occurs are convenient to review in good time, are beneficial to the accident evidence obtaining and analyze.
Described combustion gas detection alarm device 20 also comprises miniature leak detection device 2, and referring to Fig. 2 and Fig. 3, Fig. 2 is the utility model one embodiment's miniature leak detection device structural representation, and Fig. 3 is the scheme of installation of miniature leak detection device of the present utility model.Described miniature leak detection device 2 is connected with described gas leakage detection alarm module, described miniature leak detection device 2 is arranged on described gas pipeline 4 between described combustible gas metering arrangement 200 and described gas-fired equipment 3, described gas pipeline 4 is the ripple cage walls, be provided with flow guide structure on described ripple cage walls and wall coil joint 5 is installed out, described miniature leak detection device 2 is arranged on and describedly goes out on wall coil joint 5.preferably secretly be embedded in body of wall in the present embodiment, cover the stainless steel ripple cage walls of PVC protecting cover outward, its outer inwall that covers the PVC protecting cover is provided with the axial diversion groove as flow guide structure, in case built-in corrugated stainless steel tubing damage causes gas leakage, just can be along guiding gutter go out wall coil joint 5 to top, this goes out to be provided with miniature leak detection device 2 on wall coil joint 5, with the leakage combustion gas signal of perception by the guiding gutter drainage, and by the DC low-voltage communication bus, reach combustible gas metering arrangement 200 built-in actuator 202, cut off timely and effectively disposal by emergency cut-off mechanism 203.
Described miniature leak detection device 2 comprises housing 21 and is arranged on exploring block 22 in described housing 21, is provided with pod apertures 211 on the sidewall of described housing 21, is provided with on described pod apertures 211 for going out with described the linkage structure 212 that wall coil joint 5 is connected.Described miniature leak detection device 2 is arranged on going out on wall coil joint 5 of gas pipeline 4 bodies by described linkage structure 212.Wherein, this linkage structure 212 can be internal thread or external thread structure, also can be other linkage structures commonly used.In the utility model one embodiment, described linkage structure 212 is along the screw-thread joint structure of described pod apertures 211 to described shell 21 extensions, describedly goes out on wall coil joint 5 to be provided with the tapped hole 51 adaptive with described screw-thread joint structure 212.In another embodiment of the utility model, described linkage structure 212 is for being arranged at the female thread structure of described pod apertures 211 inwalls, describedly go out on wall coil joint 5 to be provided with connecting head, described connecting head inside is through hole, and the outer wall of described connecting head is the external thread structure adaptive with described female thread structure.
Described exploring block 22 comprises circuit board module 221, gas transducer 222 and Check processing module 223, with reliability and the accuracy that guarantees that data are processed.Described gas transducer 222 and described Check processing module 223 are arranged on described circuit board module 221, described circuit board module 221 is arranged on described housing 21, described power supply 1 is connected with described circuit board module 221, and described circuit board module 221 is connected with described gas leakage detection alarm module.In the present embodiment, described Check processing module 223 is preferably single-chip microcomputer.Described warning piece is preferably the acoustooptic alarm parts.Described miniature leak detection device 2 can be wired or wireless the connection with described acoustooptic alarm parts.
In the utility model one embodiment, also can comprise Emergeny Cutoff Valves, described Emergeny Cutoff Valves is arranged on described gas pipeline 4 and with described warning piece and is connected.Wherein, the power supply of described warning piece can be battery or power supply adaptor.Miniature leak detection device 2 also can be powered by the acoustooptic alarm parts.
In the utility model one embodiment, also be provided with exhaust port 213 on described housing 21, equate with outside atmosphere air pressure to guarantee that housing 21 is inner.
Described combustion gas detection alarm device 20 can be powered by super concentration power breaker 10, also can be independently-powered.Described combustion gas detection alarm device 20 can communicate by wired or wireless mode with super concentration power breaker 10.
Referring to Fig. 4, Fig. 5 and Fig. 6, Fig. 4 is the utility model one embodiment's super concentration power breaker circuit theory diagrams, Fig. 5 is super concentration power breaker circuit structure diagram of the present utility model (cutting off whole power supply), and Fig. 6 is super concentration power breaker circuit structure diagram of the present utility model (cutting off locally supplied power source).In the present embodiment, this indoor fuel gas safety system also can comprise super concentration power breaker 10, the essence of being somebody's turn to do super concentration power breaker 10 is devices of control power supply, in case detecting interior space gas leakage, combustion gas detection alarm device 20 surpasses certain density signal, super concentration power breaker 10 is autoshutdown power supply 1, prevents from turning on light and the generation of the secondary disasters such as pernicious blast that the automatic startup of the household electric appliance such as refrigerator causes because of the people.In case danger signal disappears, super concentration power breaker 10 can automatically reply power supply.Super concentration power breaker 10 can built-in DC-AC conversion device, and all low tension power supplies 1 are provided.In the present embodiment, described super concentration power breaker 10 is arranged on the linking route 12 of power supply 1 and consumer 6, comprise for the input interface 101 that is connected with power supply 1, for the output interface 102 and the control module 103 that are connected with consumer 6, described input interface 101 is connected by follow-up power circuit 104 with described output interface 102, described control module 103 is arranged on described follow-up power circuit 104, and described control module 103 is connected with described combustion gas detection alarm device 20.In the present embodiment, described control module 103 comprises drive circuit 1031 and control circuit 1032, described drive circuit 1031 be connected control circuit 1032 and be connected with described follow-up power circuit 104 respectively.Described input interface 101 and output interface 102 can be tenminal block or connector assembly combination in any.The control unit of described control circuit 1032 can be relay or contactor.Described control circuit 1032 can comprise that whole power cutting circuit, locally supplied power source cut off circuit or single-point power cutting circuit.
As Fig. 5, shown in Figure 6, heavy line represents 220V ac power supply 1 cabling, and dotted line represents controls the cabling that cuts off when combustion gas detection alarm device 20 is reported to the police.In a single day combustion gas detection alarm device 20 detects Leakage Gas and reaches and set concentration or indoor breaking out of fire, outputting cutting break signal immediately, and then cut off the contactor that is directly connected on the primary air switch, all power supply in close chamber.If the environment airtight condition that might leak is relatively good, gas should not circulate, and can cause high concentration among a small circle like this, and other environment do not have the explosion gas appearance, so can use the power supply that only cuts off the microhabitat that leakage occurs.As shut between the kitchen of backstairs, in case leak, between the kitchen, interior gas can reach very high concentration, adjacent bedroom or parlor are not leaked and are occured or reveal few with it, in the situation that the user uses is proper, can use the technological scheme of only cutting off the kitchen power supply, as above Fig. 6.Also have some specific uses, as kitchen or lavatory that gas water-heater is installed, in its equipment with the device that can control gas valve, in case occur leaking, combustion gas detection alarm device 20 will be closed the power supply of this equipment, and then realize throttle down, cut off gas source leakage and sparking source, the generation that prevents disasters is referring to Fig. 4.The different cut-out mode of above-mentioned three kinds of mentioning according to the situation of practical application, can be selected suitable scheme.As the user of new construction, can adopt the scheme of Fig. 5, shift to an earlier date the controlled shut-off means of design and installation and relevant tracks, can realize the cutting function of whole environment power supplys; And for the ordinary family user, based on the consideration of Economy and practicability, can adopt the scheme of Fig. 6, in the situation that guarantee that gas can not leak into adjacent room, can realize the cutting function of locally supplied power source.And for the occasion of some special applications, can use the scheme of Fig. 4, in the situation that without any need for changing, realize the safety applications of combustion gas in the mode of most economical practicality.
During work, the input interface 101 of super concentration power breaker 10 of the present utility model is installed or is plugged on power supply 1, consumer 6 commonly used is installed or be plugged into the output interface 102 of super concentration power breaker 10 as refrigerator, water heater, electric light and control switch thereof.After power supply 1 was connected, the buzzer of combustion gas detection alarm device 20 sent the sound, and the prompting power supply is connected.At this moment power failure lamp 105 for extinguishing state, illustrates normally to be the household electric appliance power supply.Miniature leak detection device 2 is fixed on the tapped hole that wall coil joint 5 51 of corrugated stainless steel tubing 41 by its screw-thread joint structure 212.After corrugated stainless steel tubing 41 leaks, gas leakage flows to the tapped hole that wall coil joint 5 51 of bellows 41 along the flow guide structure between bellows 41 and sheath 42 from leakage position, flow in housing 21 through pod apertures 211, then discharge through the exhaust port 213 on housing 21.After entering gas leakage after housing 21 and being detected by gas transducer 222, gas transducer 222 outputs signal to Check processing module (single-chip microcomputer) 223 and processes, output signal and the contrast of setting the alarm door limit value by gas transducer 222, in case determine to reach warning concentration, Check processing module (single-chip microcomputer) 223 is sent alarm signal by the communication interface of self, passes to acoustooptic alarm parts 3 through signaling line 11.After the alarm signal that acoustooptic alarm parts 3 affirming signal lines 11 transmit, send immediately acoustooptic alarm, combustion gas detection alarm device 20 sends alarm signal to the control module 103 of super concentration power breaker 10 by connecting port 106, the relay of control module 103 or contactor move and cut off the power supply connection that input interface 101 is connected with output interface, prevent on follow-up power circuit 104 consumer 6 automatically or artificial the startup cause sparking and explosion caused, effectively avoid the generation of security incident; After gas accidents is got rid of, decline along with gas concentration, combustion gas detection alarm device 20 stops super concentration power breaker 10 is sent alarm signal, and the control module 103 of super concentration alarm device is recovered the power supply connection that input interface 101 is connected with output interface automatically.When combustion gas detection alarm device 20 detects methane (CH4) or carbon monoxide (CO), high temperature of fire occurs and report to the police after, described super concentration power breaker 10 cuts off Domestic electric appliances power source immediately, simultaneously power failure lamp 105 is lighted, the indication warning situation.
In the present embodiment, this indoor fuel gas safety system also can comprise overcurrent cut-off valve 7, and described overcurrent cut-off valve 7 is arranged on described gas pipeline 4 between described combustible gas metering arrangement 200 and described gas-fired equipment 3.The gas flow of the valve of this overcurrent cut-off valve 7 of process increases suddenly, just automatically cuts off gas pipeline 4.This is a kind of safety protection device that is placed in before gas-fired equipment 3, and it can prevent effectively that the combustion gas that nature (adapter come off etc.) and artificial (suicide etc.) reason cause from revealing in a large number.
The utility model is located at the required low tension power supply of combustion gas detection alarm device 20 of the interior space; can provide by the built-in DC-AC conversion device of power-off protection apparatus; in case it receives the signals such as partial combustion and fire; the actuator 202 of importing combustible gas metering arrangement 200 into by communication bus controls and passes through actuator 202 and control emergency cut-off mechanism 203; cut off the source of the gas 100 of combustible gas metering arrangement 200, and can cut off indoor power supply 1 by super concentration power breaker 10.
Certainly; the utility model also can have other various embodiments; in the situation that do not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims (10)

1. indoor fuel gas safety system, comprise source of the gas, combustible gas metering arrangement, combustion gas detection alarm device and gas-fired equipment, described combustible gas metering arrangement is connected with described source of the gas and described gas-fired equipment respectively by gas pipeline, it is characterized in that, described combustible gas metering arrangement is the diaphragm gas measuring apparatus, comprise housing and be arranged on described housing interior actuator, emergency cut-off mechanism and seismic sensor cable device, described emergency cut-off mechanism be connected the seismic sensor cable device and be connected with described actuator respectively, described combustion gas detection alarm device is connected with described actuator.
2. indoor fuel gas safety system as claimed in claim 1, it is characterized in that, described combustion gas detection alarm device comprises gas leakage detection alarm module, partial combustion detection alarm module and fire detecting and alarm module, and described gas leakage detection alarm module, described partial combustion detection alarm module and described fire detecting and alarm module are connected with described actuator respectively.
3. indoor fuel gas safety system as claimed in claim 2, it is characterized in that, described combustion gas detection alarm device also comprises accident recorder, and described accident recorder is connected with described gas leakage detection alarm module, described partial combustion detection alarm module and described fire detecting and alarm module respectively.
4. indoor fuel gas safety system as claimed in claim 3, it is characterized in that, described combustion gas detection alarm device also comprises miniature leak detection device, described miniature leak detection device is connected with described gas leakage detection alarm module, described miniature leak detection device is arranged on described gas pipeline between described combustible gas metering arrangement and described gas-fired equipment, described gas pipeline is the ripple cage walls, be provided with flow guide structure on described ripple cage walls and the wall coil joint is installed out, described miniature leak detection device is arranged on and describedly goes out on the wall coil joint.
5. indoor fuel gas safety system as claimed in claim 4, it is characterized in that, described miniature leak detection device, comprise housing and be arranged on the interior exploring block of described housing, be provided with pod apertures on the sidewall of described housing, be provided with on described pod apertures for going out with described the linkage structure that the wall coil joint is connected.
6. indoor fuel gas safety system as claimed in claim 5, it is characterized in that, described exploring block comprises circuit board module, gas transducer and Check processing module, described gas transducer and described Check processing module are arranged on described circuit board module, described circuit board module is arranged on described housing, and described circuit board module is connected with described gas leakage detection alarm module.
7. indoor fuel gas safety system as claimed in claim 6, is characterized in that, also is provided with exhaust port on described housing.
8. as claim 4,5,6 or 7 described indoor fuel gas safety systems, it is characterized in that, also comprise super concentration power breaker, described super concentration power breaker comprises for the input interface that is connected with power supply, for the output interface and the control module that are connected with consumer, described input interface is connected by follow-up power circuit with described output interface, described control module is arranged on described follow-up power circuit, and described control module is connected with described combustion gas detection alarm device and described combustible gas metering arrangement respectively.
9. indoor fuel gas safety system as claimed in claim 8, is characterized in that, described control module comprises drive circuit and control circuit, described drive circuit be connected control circuit and be connected with described follow-up power circuit respectively.
10. as claim 1,2,3,4,5,6,7 or 9 described indoor fuel gas safety systems, it is characterized in that, also comprise the overcurrent cut-off valve, described overcurrent cut-off valve is arranged on described gas pipeline between described combustible gas metering arrangement and described gas-fired equipment.
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Cited By (7)

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CN103606249A (en) * 2013-11-28 2014-02-26 镇江扬程科技信息有限公司 Combustible gas leak detection and control system
CN104916084A (en) * 2015-07-08 2015-09-16 安徽宝昱电子科技有限公司 Detection and adjustment device for natural gas leakage
CN105575061A (en) * 2016-02-25 2016-05-11 百色学院 Intelligent coal gas leakage safe circuit breakage system
CN105701985A (en) * 2016-01-18 2016-06-22 南阳师范学院 Combustion gas leakage alarm control system
CN106154947A (en) * 2016-07-20 2016-11-23 天津天大求实电力新技术股份有限公司 Family based on micro-capacitance sensor control strategy gas safe support method and control system
CN106870952A (en) * 2017-01-19 2017-06-20 上海斐讯数据通信技术有限公司 Intelligent gas explosion-proof method and its explosion-protection equipment
CN109282148A (en) * 2017-07-22 2019-01-29 周尧 A kind of natural gas line leakage monitoring method

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* Cited by examiner, † Cited by third party
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