CN205486673U - Alarm control system is leaked in gas - Google Patents
Alarm control system is leaked in gas Download PDFInfo
- Publication number
- CN205486673U CN205486673U CN201620047208.3U CN201620047208U CN205486673U CN 205486673 U CN205486673 U CN 205486673U CN 201620047208 U CN201620047208 U CN 201620047208U CN 205486673 U CN205486673 U CN 205486673U
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- gas
- module
- gas leakage
- central controller
- combustion
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Abstract
The utility model discloses an alarm control system is leaked in gas, including central controller, setting gas leakage monitoring device and the detection agency of setting in gas appliance department on the gas pipeline, gas leakage monitoring device with the detection agency is connected with central controller respectively, central controller department sets up emergent protection mechanism and alarm mechanism, the utility model discloses a multiple protection and then ensure to use the safety of gas is avoided because the loss that artificial or gas leakage or the ageing people's life property that causes of pipeline caused, and simple structure, intelligent degree are high, are worth using and promote.
Description
Technical field
This utility model belongs to gas monitoring prior-warning device technical field, is specifically related to a kind of gas leakage report
Alert control system.
Background technology
At present, imflammable gas is widely applied as the energy, greatly facilitates the productive life of people,
If but it applies appropriate, can promote the well-being of mankind, if going wrong, easily cause huge potential safety hazard, one
Denier combustion gas is being closed space internal leakage and is being reached explosion limit, runs into burning things which may cause a fire disaster, will cause burning, blast
Etc. accident, cause serious economic loss, even entail dangers to life security.
In order to use combustion gas safely, reduce the generation of this kind of accident, be necessary for gas leakage is carried out scene
Monitoring in real time also finds accident potential early, takes appropriate measures, it is to avoid accident occurs, and just can ensure that
Industrial safety and family life safety；Along with sending out of computer technology, mechanics of communication and automatic control technology
Exhibition, discovery and the warning in time of gas leakage have become as possibility.CN 103578233A discloses
A kind of note gas alarm system, including detection prior-warning device, handheld terminal, described detection early warning dress
Put include microprocessor, the coal gas detection device that is connected with microprocessor, note discharger, described
The note that handheld terminal includes central processing unit, be connected with central processing unit receives device, sound and light alarm dress
Putting, detection prior-warning device and handheld terminal receive communication between device by note discharger and note and connect
Connect.There is poor reliability in SMS alarm, if movable signal difference, is difficult to notify in time user so that it is
Ineffective, when even occurring reaching the limit values, people do not know the fire of turning on light of entering house of turning on light that opens the door
Spend ignition or smoking entrance or the dangerous phenomenon of anoxia asphyxia；One is disclosed in CN 103077588A
Gas leakage alarm monitor, including gas security, button, master controller, relay, combustion gas
Electromagnetic valve, communication module, state indicator module and power supply, whether the detection combustion gas of described gas security lets out
Dew, and gas leakage information is sent to master controller, Main Processor Unit is cut by closing gas electromagnetic valve
The supply of disconnected combustion gas.Although this utility model can automatically control the supply of combustion gas, but does not possesses
Process the ability of emergency voluntarily, such as cut off the electricity supply, use explosion-proof electrical source and pressure to stop personnel and enter
Enter, easily cause unnecessary personnel and property loss, but prior art not occurring, solution is above-mentioned
The technical scheme of technical problem.
Utility model content
In view of this, problem to be solved in the utility model is to provide a kind of gas leakage alarm and controls system
System, it is possible to ensure to use the safety of combustion gas, and can take accordingly for the hazard event of gas leakage
Measure, improves the safety using combustion gas further, makes up maloperation or the accident caused long neglected and in disrepair
Dangerous phenomenon.
To achieve these goals, be the technical scheme is that
A kind of gas leakage alarm control system, including central controller, the leakage that is arranged on gas pipeline
Gas monitor control mechanism and be arranged on the detection agency at gas appliance, described gas leakage monitor control mechanism and described detection
Mechanism is connected with central controller respectively, arranges emergency protection mechanism and alarm at described central controller
Mechanism.
Described gas leakage monitor control mechanism include being arranged on mass flow meters that gas pipeline enters the room at mouth be arranged on each
Shunting gauge at individual gas appliance, and be arranged on total electromagnetic valve that described gas pipeline enters the room at mouth with
It is arranged on the sub-control electromagnetic valve at described gas appliance.
Described detection agency includes flame detecting module, Infrared Detectors, combustion gas leak finder and combustion
Gas concentrations detectors, described flame detecting module, Infrared Detectors, combustion gas leak finder and combustion gas are dense
Degree detector interconnects with central controller signal respectively.
Described alert mechanism includes signal transceiver and audible-visual annunciator.
Described emergency protection mechanism includes exhaust module, power failure protection module and emergence power module, described
Exhaust module is to be arranged on the ventilation fan at confined space air-vent, and described power failure protection module is for being arranged on
At confined space total input-wire mouth control switch, described emergence power module be arranged in armored cassette should
Urgent telegram pond.
This utility model uses central controller to be PLC, it is possible to realize the Based Intelligent Control to whole device, and
Gas pipeline arranges gas leakage monitor control mechanism, it is possible to pipeline is monitored with being in charge of from house steward, system
Whether meter general output is the most identical by the total amount of gas parts with each, carry out primary Calculation with this and go out as pipeline
Gas leakage, and the opening and closing of pipeline is realized by central controller, it is possible to independently cut off gas pipeline, it is to avoid leakage
Persistently carrying out of gas；Detection agency is set at gas appliance, it is possible to just monitoring fuel gas flow by it
Chang Shi, if be converted into flame, whether have people operating, it is ensured that use gas if also being able to monitor simultaneously
Safety；And the alert mechanism arranged can notify people's produced problem herein in time, people are reminded to dredge
Dissipate and aerofluxus, it is to avoid dangerous generation.
It addition, the emergency protection mechanism used includes exhaust module, power failure protection module and emergence power mould
Block；Use the ventilation fan that exhaust module is confined space, confined space such as: kitchen, bathroom, heating
The confined spaces such as room；And the ventilation fan used can accelerate air flowing thus is reduced by gas concentration, protect
The safety of card gas；And arranging power failure protection module is to be arranged on confined space or the total of week side ring border of leaking gas
Control switch at incoming line, it is possible to avoid user ignorant and turn on light or connect power supply, owing to switch is logical
Electricity may produce spark and cause the phenomenon of blast, and the emergence power module of employing is for being arranged in armored cassette
Emergency cell, be powered by conventional power supply under normal circumstances, can normally ensure when power-off occurs
The normal work of this device, simultaneously because be arranged in armored cassette, it is ensured that the safety that the phase is run.
It addition, the gas pipeline porch in gas leakage monitor control mechanism, mass flow meters is set, if liquid
LPG cylinder, then, at liquid gas storage tank escape pipe, arrange mass flow meters；And arrange at each gas appliance
Shunting gauge so that it is can detect the component summation of combustion gas at the total amount of combustion gas and each gas appliance is
No unanimously, and total electromagnetic valve and sub-control electromagnetic valve are set, it is possible to central controller is preferably realized right
The control of gas pipeline；Also relay can be set at total electromagnetic valve with sub-control electromagnetic valve so that it is infrared
Detector is when monitoring gas-cooker and being normally converted into flame, but when exceeding setting time unmanned, then
Send alarm by its alarm mechanism, and cut off gas pipeline, to guarantee the safe operation of this device；And
And the Infrared Detectors used can also detect at burning appliance operation or movement be whether the mankind with
And whether be adult, it is to avoid by the biology of the proper use of burning appliances of impotentia such as large-scale dog class or child
As detecting the signal source of Attended mode, it also is able to avoid owing to operator on duty is sleeping and cause letter simultaneously
Number interference phenomenon.
It addition, the position of flame detecting module alignment fuel gas buring used, minimum due to household fuel gas
Combustion flame temperature is 560 DEG C, then the temperature height of the temperature sensor detection by arranging, and obtaining it is
No there is flame；And its normal with Infrared Detectors data time, then it is assumed that this plant running is normal；Once
Flame detector detects without flame, and gas meter is still carrying out gas flow metering, then PLC is just
It is considered gas leakage, sends SMS alarm and sound and light alarm, and cut off blast tube.
It addition, the flame detecting module used can detect the temperature of flame and the shape of flame and then calculating
Go out the energy value that flame is comprised, such that it is able to by PLC calculate its heat produced whether with this pipe
Numerical value at road shunting gauge is identical, where there is range of error such that it is able to obtain at shunting gauge
Gas leakage situation whether is there is, if beyond the range of error allowed, proving combustion at gas appliance
Gas leakage situation.
It addition, the combustion gas leak finder arranged and gas concentration detector are common gas detector,
One can detect whether combustion gas leaks, and another can monitor confined space or the concentration of week side combustion gas,
Thus ensure that it can monitor the concentration of combustion gas in real time, make next action for PLC and reference frame is provided.
It addition, the alert mechanism used includes signal transceiver and audible-visual annunciator, it can pass through signal
Transceiver transmits information to user, and is transmitted by audible-visual annunciator so that people can be the most straight
That sees observes produced problem, and notifies that professional comes to process and avoid more dangerous thing to occur,
The basis of one preliminary judgement also can be provided for professional simultaneously；After sounding all clear, then pass through PLC
Carry out the operation that resets, it is achieved it returns to initial condition.
This utility model is by multiple protective and then guarantees to use the safety of combustion gas, it is to avoid because artificial or combustion
The loss that gas leakage or the aging people's life property caused of pipeline cause, and simple in construction, intelligent journey
Degree height, is worth application and promotes.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further described:
Fig. 1 is this utility model embodiment 1 overall composition structural representation；
Fig. 2 is this utility model embodiment 1 modules tissue connection diagram；
Fig. 3 is the overall composition structural representation of this utility model embodiment 2-4；
Fig. 4 is this utility model embodiment 2-4 modules tissue connection diagram；
Fig. 5 is the structural representation of this utility model embodiment 2 Quick air discharge mechanism；
Fig. 6 is the structural representation of this utility model embodiment 3 Quick air discharge mechanism
Fig. 7 is the schematic diagram of this utility model embodiment 4 Quick air discharge mechanism；
Fig. 8 is the structural representation of this utility model one-way exhaust valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further detailed:
Embodiment 1: as shown in Figure 1-2: a kind of gas leakage alarm control system, including central controller
3, the gas leakage monitor control mechanism 5 and be arranged on the detection agency 2 at gas appliance being arranged on gas pipeline,
Described gas leakage monitor control mechanism 5 is connected with central controller 3 respectively with described detection agency 2, described in
At the controller 3 of centre, emergency protection mechanism 1 and alert mechanism 4 are set.
Described gas leakage monitor control mechanism includes being arranged on mass flow meters 51 that gas pipeline enters the room at mouth and is arranged on
Shunting gauge 52 at each gas appliance, and be arranged on described gas pipeline and enter the room the total electromagnetism at mouth
Valve 53 and the sub-control electromagnetic valve 54 being arranged at described gas appliance.
Described detection agency include flame detecting module, Infrared Detectors 21, combustion gas leak finder 22 with
And gas concentration detector 23, described flame detecting module, Infrared Detectors 21, combustion gas leak finder
22 and gas concentration detector 23 respectively with central controller 3 signal interconnect.
Described flame detecting module includes hygrosensor 24 and imaging combustion photographic head 25.
Described alert mechanism 4 includes signal transceiver 41 and audible-visual annunciator 42.
Described emergency protection mechanism includes exhaust module 11, power failure protection module 12 and emergence power module 13,
Described exhaust module 11 is to be arranged on the ventilation fan at confined space air-vent, described power failure protection module 12
For being arranged on the control switch at confined space total input-wire mouth, described emergence power module 13 is anti-for being arranged on
Emergency cell in quick-fried box.
As shown in accompanying drawing 3-8: it is the structural representation of this utility model embodiment 2-4:
Embodiment 2: as shown in Fig. 35 and Fig. 8, a kind of gas leakage alarm control system, including in
Centre controller 3, the gas leakage monitor control mechanism 5 and be arranged on the detection at gas appliance being arranged on gas pipeline
Mechanism 2, described gas leakage monitor control mechanism 5 is connected with central controller 3 respectively with described detection agency 2,
Emergency protection mechanism 1 and alert mechanism 4 are set at described central controller 3.
Described emergency protection mechanism includes exhaust module 11, power failure protection module 12 and emergence power module
13, described exhaust module 11 is to be arranged on the ventilation fan at confined space air-vent, described power-off protection mould
Block 12 is to be arranged on the control switch at confined space total input-wire mouth, and described emergence power module 13 is for setting
Put the emergency cell in armored cassette.
Described gas leakage monitor control mechanism includes being arranged on mass flow meters 51 that gas pipeline enters the room at mouth and is arranged on
Shunting gauge 52 at each gas appliance, and be arranged on described gas pipeline and enter the room the total electromagnetism at mouth
Valve 53 and the sub-control electromagnetic valve 54 being arranged at described gas appliance.
Described detection agency include flame detecting module, Infrared Detectors 21, combustion gas leak finder 22 with
And gas concentration detector 23, described flame detecting module, Infrared Detectors 21, combustion gas leak finder
22 and gas concentration detector 23 respectively with central controller 3 signal interconnect.
Described flame detecting module includes hygrosensor 24 and imaging combustion photographic head 25.
Described alert mechanism 4 includes signal transceiver 41 and audible-visual annunciator 42.
Described gas pipeline arranges Quick air discharge mechanism at entering the room mouthful, and described Quick air discharge mechanism includes buffering
Capsule 67, is respectively provided with gas generator 61 and compression gas tank 62, institute at described impact bag 67 lower openings
Stating gas generator 61 bottom and be provided with the lighter of multiple igniting unit 66 composition, described impact bag is
Two-layer.
Described impact bag 67 inner chamber outer surface arranges six Non-return air valves 64.
Described impact bag 67 outer surface arranges 15 steam vents 63.
Described gas generator includes eight independent gas generating unit 65, and each described gas occurs single
The corresponding igniting unit 66 of unit 65, is connected with each other composition lighter between described igniting unit 66.
It is set to liquid carbon dioxide in described compression gas tank 62.
In described gas generator 61, Hydrazoic acid,sodium salt (NaN is set3) there is raw material.
Embodiment 3: as shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 8, a kind of gas leakage alarm control system,
The gas leakage monitor control mechanism 5 that including central controller 3, is arranged on gas pipeline and being arranged at gas appliance
Detection agency 2, described gas leakage monitor control mechanism 5 and described detection agency 2 respectively with central controller 3 phase
Connect, emergency protection mechanism 1 and alert mechanism 4 are set at described central controller 3.
Described emergency protection mechanism includes exhaust module 11, power failure protection module 12 and emergence power module
13, described exhaust module 11 is to be arranged on the ventilation fan at confined space air-vent, described power-off protection mould
Block 12 is to be arranged on the control switch at confined space total input-wire mouth, and described emergence power module 13 is for setting
Put the emergency cell in armored cassette.
Described gas leakage monitor control mechanism includes being arranged on mass flow meters 51 that gas pipeline enters the room at mouth and is arranged on
Shunting gauge 52 at each gas appliance, and be arranged on described gas pipeline and enter the room the total electromagnetism at mouth
Valve 53 and the sub-control electromagnetic valve 54 being arranged at described gas appliance.
Described detection agency include flame detecting module, Infrared Detectors 21, combustion gas leak finder 22 with
And gas concentration detector 23, described flame detecting module, Infrared Detectors 21, combustion gas leak finder
22 and gas concentration detector 23 respectively with central controller 3 signal interconnect.
Described flame detecting module includes hygrosensor 24 and imaging combustion photographic head 25.
Described alert mechanism 4 includes signal transceiver 41 and audible-visual annunciator 42.
Described gas pipeline arranges Quick air discharge mechanism at entering the room mouthful, and described Quick air discharge mechanism includes buffering
Capsule 67, is respectively provided with gas generator 61, described gas generator at described impact bag 67 lower openings
61 bottoms are provided with the lighter of multiple igniting unit 66 composition, and described impact bag is two-layer.
Described impact bag 67 inner chamber outer surface arranges eight Non-return air valves 64.
Described impact bag 67 outer surface arranges 20 steam vents 63.
Described gas generator includes some independent gas generating unit 65, and each described gas occurs single
The corresponding igniting unit 66 of unit 65, is connected with each other composition lighter between described igniting unit 66.
In described gas generator 61, ammonium nitrate (NH is set4NO3) for there is raw material.
Embodiment 4: as shown in Fig. 3, Fig. 4, Fig. 7 and Fig. 8, a kind of gas leakage alarm control system,
The gas leakage monitor control mechanism 5 that including central controller 3, is arranged on gas pipeline and being arranged at gas appliance
Detection agency 2, described gas leakage monitor control mechanism 5 and described detection agency 2 respectively with central controller 3 phase
Connect, emergency protection mechanism 1 and alert mechanism 4 are set at described central controller 3.
Described emergency protection mechanism includes exhaust module 11, power failure protection module 12 and emergence power module
13, described exhaust module 11 is to be arranged on the ventilation fan at confined space air-vent, described power-off protection mould
Block 12 is to be arranged on the control switch at confined space total input-wire mouth, and described emergence power module 13 is for setting
Put the emergency cell in armored cassette.
Described gas leakage monitor control mechanism includes being arranged on mass flow meters 51 that gas pipeline enters the room at mouth and is arranged on
Shunting gauge 52 at each gas appliance, and be arranged on described gas pipeline and enter the room the total electromagnetism at mouth
Valve 53 and the sub-control electromagnetic valve 54 being arranged at described gas appliance.
Described detection agency include flame detecting module, Infrared Detectors 21, combustion gas leak finder 22 with
And gas concentration detector 23, described flame detecting module, Infrared Detectors 21, combustion gas leak finder
22 and gas concentration detector 23 respectively with central controller 3 signal interconnect.
Described flame detecting module includes hygrosensor 24 and imaging combustion photographic head 25.
Described alert mechanism 4 includes signal transceiver 41 and audible-visual annunciator 42.
Described gas pipeline arranges Quick air discharge mechanism at entering the room mouthful, and described Quick air discharge mechanism includes buffering
Capsule 67, compression gas tank 62 at described impact bag 67 lower openings, described impact bag is two-layer.
Described impact bag 67 inner chamber outer surface arranges some Non-return air valves 64.
Described impact bag 67 outer surface arranges some steam vents 63.
It is set to nitrogen in described compression gas tank 62.
In described gas generator 61, Hydrazoic acid,sodium salt (NaN is set3) for there is raw material.
In embodiment 2-4 when the excessive concentration of gas leakage and during conventional exhaust poor effect, in order to keep away
Exempting from the further deterioration of the state of affairs, PLC, according to the data of gas concentration detector, triggers Quick air discharge mechanism,
And then by the Hydrazoic acid,sodium salt (NaN in gas generator3) or ammonium nitrate (NH4NO3) former quickly for generation
Produce substantial amounts of incombustible gas, replace around gas pipeline the combustible gas in especially confined space
Body, it is to avoid the deterioration of the state of affairs, opens ventilation fan simultaneously and accelerates shedding of fuel gas, cut off the electricity supply and gas
Source, can directly lock gate, until gas concentration is down to below security value (s).
It addition, the gas generator used is arranged on impact bag bottom, when after the instruction receiving PLC,
Then the igniting unit in the firearm of trigger point, triggers gas generating unit successively, produces substantial amounts of noble gas
Packing space, the concentration of dilution combustion gas, and got rid of to below safe concentration, and trigger successively
Advantageously ensure that will not the explosion phenomenon that causes of rapid gas generating, the impact bag of setting is two-layer, and
Impact bag inner chamber outer surface arranges some Non-return air valves so that it is can get rid of the gas produced to impact bag
Between inner chamber and impact bag exocoel, it is achieved a kind of isolation of internal point firearm spark, it is to avoid the leakage of spark,
After gas enters between inner chamber and outer wall, gas is owing to by narrow check valve, air work makes
The decline of gas temperature, and after the steam vent again by impact bag outer wall, gas temperature is dropped further
Low, it is ensured that it will not be because of the too high drawback causing combustion gas of igniting of temperature.
It addition, in order to ensure that the further safe operation of Quick air discharge mechanism can set in described compression gas tank
It is set to nitrogen or other inertia or not combustion-supporting gas；By the side coordinated with gas generator or be used alone
Formula, reduces the temperature in confined space temperature or gas generator, it is ensured that the safety of operation, it is to avoid protection
The phenomenon of the combustion gas of igniting that device causes due to high temperature；Simultaneously because it for nitrogen or other inertia or does not helps
Combustion gas body, such as argon, carbon dioxide etc., it can not only absorb heat when releasing thus reduce room
Interior temperature, in a disguised form plays reduction temperature and eliminating combustion-supporting gas is put out a fire.
Using method of the present utility model: this device is arranged at gas pipeline or liquid gas storage tank or liquefaction
At natural gas general export, then other each parts are installed according to above-mentioned position relationship, switch on power,
And debugged the data of PLC；Make it start normally to work, when there is incident of leakage, then gas leakage
Detector and gas concentration detector get gas leakage and obtain the time change of its concentration value and concentration
Change, and information fed back to PLC so that PLC is contrasted by other data obtained with detection agency,
And open exhaust fan and send alarm and remind so that people can obtain the approximate location gone wrong,
It is thus possible to quickly make correct measure, it is ensured that by the safety of gas；If leakage is accelerated and by infrared
Detector is not detected by the existence of people, then cut off source of the gas and persistently report to the police, and continue on exhaust fan
And cut off the electricity supply, start emergency power supply；If exhaust fan still can not make gas concentration decline, then open
Dynamic Quick air discharge mechanism so that gate is locked, simultaneously by gas generator or compression gas tank rapid dilution
Or extruding fuel gas so that it is quickly disperse, until below safe concentration and at the appointed time concentration without
Change, then release warning, system reset, and the gas reminded people to add or change in Quick air discharge mechanism
Body generation raw material is or/and compression gas tank, in order to next time uses.
This utility model is by multiple protective and then guarantees to use the safety of combustion gas, it is to avoid because artificial or combustion
The loss that gas leakage or the aging people's life property caused of pipeline cause, and simple in construction, intelligent journey
Degree height, is worth application and promotes.
Although this utility model is open the most as above with preferred embodiment, so itself and be not used to limit this practicality newly
Type, any is familiar with this those skilled in the art, made an amendment in without departing from spirit and scope of the present utility model,
Change the change or replacement that with retouching, can readily occur in, all should contain at protection domain of the present utility model
Within.
Claims (5)
1. a gas leakage alarm control system, including central controller, is arranged on gas pipeline
Leak gas monitor control mechanism and be arranged on the detection agency at gas appliance, described gas leakage monitor control mechanism and described spy
Survey mechanism to be connected with central controller respectively, emergency protection mechanism and police are set at described central controller
Report mechanism.
2. gas leakage alarm control system as claimed in claim 1, it is characterised in that: described gas leakage
Monitor control mechanism includes being arranged on mass flow meters that gas pipeline enters the room at mouth and is arranged at each gas appliance
Shunting gauge, and be arranged on total electromagnetic valve that described gas pipeline enters the room at mouth and be arranged on described combustion
Sub-control electromagnetic valve at gas apparatus.
3. gas leakage alarm control system as claimed in claim 1, it is characterised in that: described detection
Mechanism includes flame detecting module, Infrared Detectors, combustion gas leak finder and gas concentration detector,
Described flame detecting module, Infrared Detectors, combustion gas leak finder and gas concentration detector respectively with
Central controller signal interconnects.
4. gas leakage alarm control system as claimed in claim 3, it is characterised in that: described flame
Detecting module includes hygrosensor and imaging combustion photographic head.
5. gas leakage alarm control system as claimed in claim 1, it is characterised in that: described emergent
Protection mechanism includes exhaust module, power failure protection module and emergence power module, and described exhaust module is for setting
Putting the ventilation fan at confined space air-vent, described power failure protection module always enters for being arranged on confined space
Control switch at line mouth, described emergence power module is the emergency cell being arranged in armored cassette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047208.3U CN205486673U (en) | 2016-01-18 | 2016-01-18 | Alarm control system is leaked in gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047208.3U CN205486673U (en) | 2016-01-18 | 2016-01-18 | Alarm control system is leaked in gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205486673U true CN205486673U (en) | 2016-08-17 |
Family
ID=56671181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620047208.3U Expired - Fee Related CN205486673U (en) | 2016-01-18 | 2016-01-18 | Alarm control system is leaked in gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205486673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398345A (en) * | 2017-08-18 | 2019-03-01 | 郑州宇通客车股份有限公司 | A kind of car gas safe control system and method |
| CN111564024A (en) * | 2020-05-25 | 2020-08-21 | 安徽复盛信息科技有限公司 | Automatic protection method and system based on dangerous gas monitoring alarm |
-
2016
- 2016-01-18 CN CN201620047208.3U patent/CN205486673U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398345A (en) * | 2017-08-18 | 2019-03-01 | 郑州宇通客车股份有限公司 | A kind of car gas safe control system and method |
| CN111564024A (en) * | 2020-05-25 | 2020-08-21 | 安徽复盛信息科技有限公司 | Automatic protection method and system based on dangerous gas monitoring alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170118 |