CN109114434A - A kind of gas pipeline leak detecting and alarming device with emergency cut-off - Google Patents
A kind of gas pipeline leak detecting and alarming device with emergency cut-off Download PDFInfo
- Publication number
- CN109114434A CN109114434A CN201811018521.4A CN201811018521A CN109114434A CN 109114434 A CN109114434 A CN 109114434A CN 201811018521 A CN201811018521 A CN 201811018521A CN 109114434 A CN109114434 A CN 109114434A
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- China
- Prior art keywords
- gas
- gas pipeline
- leak detecting
- alarming device
- pipeline
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention provides a kind of novel gas pipeline leak detecting and alarming devices with emergency cut-off, are made of detachable tube body, movable sealing core, detection sensor, adjustable resistance spring, air-flow regulation pipe and sound and light alarm module etc..It is installed on user terminal gas pipeline using vertical mode, the basis mechanism for generating gas flowing using differential pressure is formed in pipeline under leakage situation using combustion gas keeps lightweight movable sealing core in device hanging, touches sound and light alarm module and issues alarm signal；And in the case where combustion gas Use out of range or disengagement of pipelines leak, movable sealing core is rapidly moving upward until gas outlet, which is fully sealed, stops leakage by lower section airflow thrust, has the security function of emergency cut-off；After stopping using the gas equipments such as kitchen range, water heater, user terminal gas pipeline is the guard mode automatically into 24 hours leakage alarms.The present invention has structure simple, at low cost, highly-safe, is widely portable to all kinds of combustion gas fields of employment.
Description
Technical field
The present invention provides a kind of novel gas pipeline leak detecting and alarming devices with emergency cut-off, are pacified using vertical mode
On user terminal gas pipeline, the basis mechanism for generating gas flowing using differential pressure is formed in pipeline under leakage situation using combustion gas,
Keep lightweight movable sealing core in device hanging, touches sound and light alarm module and issue alarm signal；And in combustion gas Use out of range or
In the case where the completely disengaged leakage of pipeline, movable sealing core is rapidly moving upward until completely close by lower section airflow thrust
It seals gas outlet and stops leakage, have the function of emergency cut-off；After stopping using the gas equipments such as kitchen range, water heater, use
Family end gas pipeline is the guard mode automatically into 24 hours leakage alarms, and when occurring, the specific acousto-optic of leakage triggering generation is alert
The number of notifying reminds people to check the fine status of gas pipeline and facility in time, and completely de- in combustion gas Use out of range or pipeline
In the case where opening, the detection warning device that prevents combustion gas from largely leaking with emergency cut-off pipeline.
Background technique
For the good life of people, the security of the lives and property of household is the first element, in people's daily life
House and the household safe problem in other places can not be ignored.Especially gas leakage fire is quick-fried in the common safety accident of family
Fried accident harm is very big, often will cause huge property loss and human casualty accident, even with one's family broken up while also leading
The even safety of the other residents in periphery.The gas explosion included is new within 2017 according to incompletely statistics " gas explosion wechat public platform "
News has 950, and wherein indoor fuel gas breaking news 680 rise, and outdoor gas leakage and breaking news 270 rise, and causes 104 people dead altogether
It dies, 1145+ people's injury.2017 annuals monthly have 79 combustion gas safety accidents, compare 909 of annual 2016,
350 in 2015 are concentrated mainly on public residence according to annual indoor fuel gas accident is counted, accounting 65%, rank first always and
It is then more in the gas leakage explosion accident of public news report in cumulative year after year state, and not, it is seen that China gas user end
Security situation it is increasingly severe.Gas accidents mainly because of gas hose aging, valve damage, unclosed valve is tight, forgets to close valve
Etc. reasons cause to leak, currently, discovery gas leakage usual method mainly have 2 kinds, one is by people itself nose
Smell combustion gas stink discovery, it is another then be in the kitchen in be arranged flammable gas-detecting alarm device, when gas leakage to centainly it is dense
Degree triggering alarm, reminds people to take measures that combustion gas is prevented further to leak, to reach the generation for avoiding fire explosion.But
Above 2 kinds of methods have certain limitation, cannot rapidly find gas leakage, and while reaching after leakage a certain concentration could
It was found that or detection trigger alarm sound an alarm, indoor local concentration may have reached explosion ratio, belong to passive-type and detect hand
Section, especially in micro-leakage, can not initiatively detect the state of fuel gas pipeline leakage decompression and fuel gas flow, substantially
It is not effective to ensure that the security reliability that combustion gas uses, there are serious security risks in combustion gas use process by old friends.
In this regard, in order to which people can avoid letting out because of combustion gas use in house kitchen and other place safeties using combustion gas
Leakage leads to the generation of fire explosion and human casualty accident, can first time active detecting to or discovery gas pipeline whether there is
Using the security risk state of leakage, while when gas pipeline excess flows or disengages, start overcurrent protection energy emergency cut-off
Pipeline prevents combustion gas from largely leaking.Gas pipeline can be actively detected immediately because the invention one kind is installed on user terminal gas pipeline
Use leak situation, and can emergency cut-off pipeline detection warning device, there is certain necessity, novelty and practical
Property.
Summary of the invention
In order to allow people that can use combustion gas in daily life and work safe and securely, can be used the present invention provides a kind of
Audible and visible alarm is triggered in the generating gas flowing using leakage process of active detecting gas pipeline, and can be in gas pipeline excess
Emergency cut-off pipeline prevents the safety device that combustion gas largely leaks, i.e. gas pipeline leak detecting and alarming device when flowing or disengagement, makes
People can effectively reduce the generation of family and other place gas fires explosion accidents, ensure the safety of life and property of the people.
The device is mainly by detachable tube body, movable sealing core, detection sensor, adjustable resistance spring, air-flow
Regulation pipe and sound and light alarm module are constituted.Detachable tube body, sound and light alarm module and its accessory all have detachability,
Simple, easy to use, maintenance and device upgrade easy to disassemble be installed, audible and visible alarm indicator and is managed in intracorporal detection sensor
Trigger element be connected, when movable sealing core contacts or when leaving detection sensor, correspondingly opens and closes acousto-optic report
The alarm song and indicator light of alert module.
Technical problems to be solved: fully consider gas pipeline using and leakage situation under pipeline in pressure difference variation with
And flowing gas state, solve gas pipeline there may be micro-leakage be not easy check be difficult to by it is found that security risk,
And combustion gas can largely leakage formation explosion be empty in a short time after the older aging of user terminal gas pipeline or improper use disengage
Between serious consequence.To provide from the essential safety of gas pipeline equipment for people can active detecting discovery user terminal combustion gas
The immediate status that pipeline is used and leaked, while pipeline can be automatically closed after gas pipeline disengagement and combustion gas is avoided largely to leak
Emergency shutoff device can allow people more to trust in daily life and work and safely use combustion gas.
Technical solution: the movable sealing core of lightweight is set in gas leakage warning device, using right angle setting mode, not
Under normal circumstances using combustion gas, so that movable sealing core is located at import below tube body using object self gravity, reach sealing
Effect, it is interior equipped with the air-flow regulation pipe freely up and down moved for movable sealing core, when combustion gas uses or leaks, leak detection
The pressure difference formed before and after warning device generates air-flow, and movable sealing core is pushed to rise vacantly to equilibrium state, movable sealing ball
Core notices that combustion gas is arranged using leakage situation and taking once rising vacantly trigger acoustooptic alarm and issue warning reminding people
It applies.Technically take combustion gas Use out of range and disengage in the case where, lower section gas shock movable sealing core reach by
It is fully sealed at top exit sealing element and achievees the effect that be automatically closed pipeline, adjustable resistance bullet is equipped at outlet sealing element
Spring, can be according to supply gas pressures such as the types such as natural gas, liquefied gas of combustion gas, and occupy domestic gas and business gas pipe network pressure
Difference adjusts accordingly adjustable resistance spring and sets different Resistance Values, prevents because movable sealing core is in normal use mistake
Because rising the too fast abnormal problem for directly closing pipeline in journey, make gas leakage alarm in terms of the security function of emergency cut-off
With more wide applicability.Also have the function of extension for sound and light alarm module, the intelligent function such as internet of things technology can be increased
Can, upgrade version product and electromagnetic valve linking have the function of that linkage is closed, can after detection sensor triggers sound and light alarm signal
Intellectual analysis or artificial determining gas pipeline use leakage situation, interrupt gas supply according to the program Self-shut electromagnetic valve of setting.
The utility model has the advantages that gas leakage warning device can immediately detect the flowing feelings of the gas in user terminal gas pipeline
Condition is reminded people accurately to judge that gas pipeline is normal use or there is leakage by sound and light alarm signal, and also had
Pipeline can be automatically closed when the gas pipeline that user terminal connects the gas equipments such as kitchen range disengages by, which having, avoids combustion gas from largely leaking, and has
There is the safety guarantee function of emergency cut-off.After people stop using kitchen range, water heater and other combustion gas appliances, combustion gas inspection
Pipeline section after failing to report alarm device enters 24 hours leakage alarm states, and people can easily check user terminal fuel gas conduit
The safe handling situation in road, once the pipeline section leaks, movable sealing core will action triggers sound-light alarm prompting people
Necessary measure is taken, even if after people are caught fire when using kitchen range or water heater because of improper use or carelessness, company of institute
For the gas pipeline connect because the situation after combustion gas largely leaks occurs in heated damage completely, leak detecting and alarming device also can be in a short time
Emergency cut-off gas pipeline, make combustion gas will not a lot of leakage lead to fault spread, can greatly reduce family's fire disaster explosion thing
Therefore generation, promote the safety that uses of combustion gas, ensure social people's livelihood safety.
The present invention considers essential safety from gas pipeline apparatus body, and energy active detecting, which goes out the micro of gas pipeline, to be made
With leak condition, it can sensitiveer, more accurately detect using leakage situation, have structure simple, easy for installation, at low cost, peace
The features such as property is high entirely, is widely portable to all kinds of combustion gas fields of employment such as liquefied gas, natural gas.
Detailed description of the invention: Fig. 1 --- gas pipeline leak detecting and alarming device
Specific embodiment: in Fig. 1, detachable tube body (1), movable sealing core (2), air-flow regulation pipe (3), detection sensing
Device (4), adjustable resistance spring (5), sound and light alarm module (6), balance hole (7), import sealing element (8), outlet sealing element
(9).
Gas leakage warning device is mounted on the user terminal pipeline after the end pipe road stop valve of registering one's residence of building, and import is close
Downward, right angle setting, lower end are fuel gas inlet to outlet sealing element (9) to sealing (8) upward, and upper end is gas outlet.
In combustion gas when using leakage, detachable tube body tube body (1) inner upper space pressure decline, lower part gas supply
Pressure is greater than upper pressure generation differential pressure air-flow and movable sealing core (2) is pushed up to move, and movable sealing core (2) is suspended on
In tube body, contacts the elastic electron element in detection sensor (4) and be powered, it is alert that triggering sound and light alarm module (6) issues acousto-optic
Report, combustion gas then pass through the balance hole (7) in air-flow regulation pipe (3) and stablize toward upper end outlet outflow, and people pass through acousto-optic report at this time
Alert signal can adopted after determining leakage failure at the first time it may determine that situations such as combustion gas normal use or leakage failure
It takes and closes combustion gas related valve inspection air leak position, effectively take measures to prevent gas leakage further expansion.
In combustion gas when leakage is not used, the gas pressure in the front and rear pipes of gas leakage warning device is consistent,
No gas flowing, movable sealing core (2) falls automatically by gravity and is compacted to the hole of import sealing element (8) in device at this time
Reach sealing effect, while pushing down the elastic trigger element built in detection sensor (4), audible and visible alarm signal stops.
In the case where the disengagement of pipelines or a large amount of leakages for connecting kitchen range, water heater or other Gas appliances in combustion gas, combustion
Throughput increases, and is more than normal use situation, and the movable sealing core (2) in leak alarm can significantly move up position
It sets, the balance hole (7) of the circulation in gas equalizing line (3) also can be reduced accordingly, reduce gas circulating face, movable sealing core
(2) uplink thrust increases the resistance more than adjustable resistance spring (5), until the hole for compressing outlet sealing element (9) closes automatically
Stopped pipe road plays the function of emergency cut-off, and achieving the purpose that, which prevents combustion gas from largely leaking, leads to fire explosion.
Claims (6)
1. a kind of gas pipeline leak detecting and alarming device with emergency cut-off, it is characterized in that activity is close by detachable tube body (1)
Blocking core (2), air-flow regulation pipe (3), detection sensor (4), adjustable resistance spring (5) and acousto-optic alarm indicator (6) structure
At.
2. gas pipeline leak detecting and alarming device as claimed in claim 1, it is characterized in that structure is simple, it is easy to install and use,
With detachability, external structure is made of detachable tube body (1), import sealing element (8) and outlet sealing element (9), internal
Structure is made of movable sealing core (2), air balance pipe (3), detection sensor (4), adjustable resistance spring (5).
3. audible and visible alarm module (6) in gas pipeline leak detecting and alarming device as claimed in claim 1, feature has extension function
Can, compatible Internet of Things and linkage control technology, built-in button power supply can be acoustic luminous, is close to detachable valve body (1) and pacifies outside
Dress, is connect by electric wire with detection sensor (4).
4. air-flow regulation pipe (3) in gas pipeline leak detecting and alarming device as claimed in claim 1, it is characterized in that air-flow is adjusted
It manages (3) and regularly balance hole (7) is set, keeping the steady flow of combustion gas energy to form upwards thrust makes lightweight movable sealing core
(2) it is suspended in air-flow regulation pipe (3).
5. adjustable resistance spring (5) in gas pipeline leak detecting and alarming device as claimed in claim 1, it is characterized in that spring
Resistance can actual gas supply pressure adjustment on demand, be connected with outlet sealing element (9).
6. detection sensor (4) in gas pipeline leak detecting and alarming device as claimed in claim 1, it is characterized in that appearance is bullet
Property insulating materials, there is reliable leakproofness, inside sets elastic electron element switch contact and passes through electric wire and audible and visible alarm mould
Block (6) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811018521.4A CN109114434A (en) | 2018-09-03 | 2018-09-03 | A kind of gas pipeline leak detecting and alarming device with emergency cut-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811018521.4A CN109114434A (en) | 2018-09-03 | 2018-09-03 | A kind of gas pipeline leak detecting and alarming device with emergency cut-off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109114434A true CN109114434A (en) | 2019-01-01 |
Family
ID=64861756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811018521.4A Pending CN109114434A (en) | 2018-09-03 | 2018-09-03 | A kind of gas pipeline leak detecting and alarming device with emergency cut-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109114434A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779989A (en) * | 2020-05-29 | 2020-10-16 | 安徽汇新信息科技有限公司 | Computer network safety information reporting system |
| CN114001213A (en) * | 2021-11-24 | 2022-02-01 | 中国能源建设集团安徽电力建设第一工程有限公司 | Natural gas pipeline pile plate isolation method |
| CN114278874A (en) * | 2021-12-27 | 2022-04-05 | 绍兴市标准化研究院 | Gas leakage detection device and detection method |
| CN115358432A (en) * | 2022-10-14 | 2022-11-18 | 成都秦川物联网科技股份有限公司 | Gas meter metering fault determination method for intelligent gas and Internet of things system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779989A (en) * | 2020-05-29 | 2020-10-16 | 安徽汇新信息科技有限公司 | Computer network safety information reporting system |
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| CN114278874A (en) * | 2021-12-27 | 2022-04-05 | 绍兴市标准化研究院 | Gas leakage detection device and detection method |
| CN114278874B (en) * | 2021-12-27 | 2023-08-29 | 绍兴市标准化研究院 | Gas leakage detection device and detection method |
| CN115358432A (en) * | 2022-10-14 | 2022-11-18 | 成都秦川物联网科技股份有限公司 | Gas meter metering fault determination method for intelligent gas and Internet of things system |
| US11861567B2 (en) | 2022-10-14 | 2024-01-02 | Chengdu Qinchuan Iot Technology Co., Ltd. | Method and internet of things system for determining gas meter measurement failure of smart gas |
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Application publication date: 20190101 |