CN114582098A - Kitchen safety coefficient that gas company linked and reported to police - Google Patents
Kitchen safety coefficient that gas company linked and reported to police Download PDFInfo
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- CN114582098A CN114582098A CN202111538336.XA CN202111538336A CN114582098A CN 114582098 A CN114582098 A CN 114582098A CN 202111538336 A CN202111538336 A CN 202111538336A CN 114582098 A CN114582098 A CN 114582098A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/70—Arrangements in the main station, i.e. central controller
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
- H04Q2209/82—Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data
- H04Q2209/823—Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data where the data is sent when the measured values exceed a threshold, e.g. sending an alarm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kitchen safety system for linkage alarm of a gas company. In order to overcome the problem of lower reliability in the prior art, the invention adopts the linkage of the gas company equipment and systems such as a computing center and the like, adopts two sets of subsystems to detect the gas leakage, and when one set of the subsystems fails, the other set of the subsystems can be used as a spare system; even if two sets of subsystems break down, the air exhaust device can be started to exhaust air. When the local sensor normally works, the system can also normally monitor the condition of indoor gas concentration. And the reliability of the system is improved through linkage. The system can adjust the working mode of the exhaust device according to the real-time gas detection concentration, and the gas exhaust effect is improved. The special communication mode can take confidentiality and judgment rate into consideration.
Description
Technical Field
The invention relates to the field of gas detection, in particular to a kitchen safety system for linkage alarm of a gas company.
Background
The safety of the gas in the kitchen is always a concern, because once the gas leaks from the kitchen, whether the kitchen is in use or not can cause serious accidents. Therefore, research on kitchen gas concentration detection is always a hot topic at present. At present, gas detecting system on the market mostly can pass through the thing networking with the data that detect or mobile network upload to the server, and the rethread server sends alarm signal to mobile device such as cell-phone etc. the benefit of this kind of system lies in no matter whether someone in the kitchen can receive alarm signal, however, once kitchen sensor breaks down, can't detect gas concentration data, just can't reach alarm effect, if take place the condition that the gas leaked this moment, the consequence is beyond the limit of thinking. Therefore, such a system is not reliable.
For example, a "natural gas mobile monitoring system" disclosed in chinese patent literature, whose publication number CN105223317B includes a combustible gas probe, a carbon dioxide sensor, a dust concentration sensor, a temperature and humidity sensor, a receiving control module, an intelligent gateway, a server, and a mobile terminal. The invention fully utilizes the advantages of the Internet of things, and monitors the indoor environment by placing a plurality of sensors of the same type at different indoor places and placing a plurality of combustible gas probes near the natural gas pipeline. The collected data are uploaded to the server, the mobile terminal acquires the data through a request, the dust concentration and the temperature and humidity data are analyzed, and the alarm threshold value of the mobile terminal is dynamically adjusted according to the relation between the upper limit and the lower limit of the explosion of the carbon dioxide and the natural gas. After receiving the alarm, the user can control the valve and the fan in the environment through the mobile terminal. The intelligent monitoring of the natural gas is realized. However, if the sensor fails to detect the gas leakage, the system fails, and the reliability is not high enough.
Disclosure of Invention
The invention mainly solves the problem of lower reliability in the prior art; a kitchen safety system for linked alarm of gas company is provided.
The technical problem of the invention is mainly solved by the following technical scheme:
the invention comprises a cloud: the system comprises a data processing center, a data processing center and a data processing center, wherein the data processing center is used for receiving sensor data information and alarm information sent by the data processing center; the signal that the high in the clouds sent according to the calculation center judges whether take place the gas and leak, including three kinds of situations: if the numerical value is too high, the numerical value is normal and no numerical value exists, the cloud sends the information to intelligent equipment of the user, such as mobile phones and other equipment, so that the user can refer to the information;
alarm of gas company: the system comprises a sensor, an edge computing center and a variable frequency controller, wherein the sensor is used for receiving a control signal of the sensor and sending an alarm signal to the edge computing center and the variable frequency controller; the alarm of the gas company is an alarm arranged in a kitchen by the gas company, and the alarm of the gas company reports alarm information to an edge computing center of the system to realize the sending of the alarm information to user equipment; sending the alarm information to a variable frequency controller, namely controlling the variable frequency controller to open a fan to reduce the gas concentration when the variable frequency controller sends the alarm; and when the received gas concentration value is smaller than the gas concentration reference value, the alarm is released. (ii) a
A sensor: the kitchen alarm is used for detecting the concentration of kitchen combustible gas and outputting signals to a terminal alarm, a calculation center and a gas company alarm;
a terminal alarm: receiving control signals of a sensor and a computing center, and sending out an alarm signal; the terminal alarm can be used as a backup device of the gas company alarm, and when the gas company alarm fails, the terminal alarm can be used as a backup device;
the calculation center: the system is used for detecting sensor data in real time, sending the sensor data to a cloud end, and outputting a signal to the variable frequency controller to control the air exhaust device to work; receiving an alarm signal of the gas company alarm, and sending alarm information to a cloud terminal; the computing center can be regarded as the brain of the system;
a variable frequency controller: receiving signals of a computing center and an alarm of a gas company, and controlling an exhaust device to work; control instructions are preset in the variable frequency controller, and the preset instructions can control the working modes of the exhaust device according to the real-time gas concentration detection value, including a forced exhaust mode, a mute mode and a common mode.
An air exhaust device: and discharging the combustible gas in the chamber. The exhaust device comprises an exhaust fan and the like, and the exhaust fan exhausts the fuel gas out of the room by enhancing air flow.
Preferably, the sensors comprise a gas company sensor and a terminal sensor, the gas company sensor sends detected data to a gas company alarm, and the terminal sensor sends the detected data to the terminal alarm and a computing center; the gas company sensor and the gas company alarm are all devices arranged in a kitchen by a gas company, and the kitchen safety system for linked alarm of the gas company connects the gas company alarm and the gas company sensor, so that the reliability of the system is improved; when the gas company sensor detects that the gas concentration is abnormal, the gas company alarm is triggered to give an alarm, the gas valve is turned off, but because the gas concentration is too high at the moment, the valve is only turned off, the danger cannot be relieved, and the gas concentration needs to be reduced, so that the gas company equipment needs to be linked with a frequency conversion controller, an edge calculation center and the like.
Preferably, the frequency conversion controller controls the working mode of the air exhaust device according to the gas concentration detected by the sensor.
Preferably, the alarm is deactivated when the sensor detects that the combustible gas concentration has fallen to a safe value. Continuous alarming is avoided, and user experience is prevented from being influenced.
Preferably, when the kitchen is in use, the operation of the exhaust device is manually stopped by a kitchen manager after the alarm is released. Whether the system stops working or not is determined by kitchen management personnel, and the decision right is given to people, so that field personnel can flexibly change the actual situation based on the field.
Preferably, when the kitchen is not used, the calculation center controls the exhaust device to automatically stop running after the alarm is released.
Preferably, the calculation center generates a picture in a JPG format, the value of the storage space occupied by the picture in the JPG format is equal to the value of the detection value of the sensor, the picture is sent to a cloud, and the cloud judges whether the sensor data is abnormal or not according to the size of the storage space occupied by the picture; when the computing center is communicated with the cloud, the information in the picture format is used for replacing the direct-white sensor concentration numerical information, so that the information confidentiality is considered, and the cloud judgment speed is considered; meanwhile, the cloud is used for judging the abnormal gas concentration again, so that the condition of false alarm caused by the abnormal alarm is avoided, and the reliability of the system is improved.
Preferably, the cloud end comprises a storage unit, the size of the storage unit is equal to the value of the gas concentration reference value, the received JPG picture is stored in the storage unit, and if the picture can be stored in the storage unit, the gas concentration is normal; and if the space occupied by the picture request is larger than the storage unit, judging that the gas concentration exceeds a normal value. The picture is stored in the storage unit after the picture information is received by the cloud, so that the link of comparing the detection value with the reference value by the cloud can be saved, and the speed of judging the abnormal condition by the cloud is increased.
Preferably, the generated picture is a photograph of the current kitchen. After the photo of the current kitchen is obtained from the monitoring system by the computing center, a JPG format picture with the size equal to the gas concentration detection value is generated and transmitted to the cloud after a series of operations such as compression and the like, when gas leakage really occurs, the photo can be used as a reference for taking follow-up measures by a manager, and the manager can know the state of the current kitchen, such as whether a fire disaster occurs or not, the range of the fire disaster and the like from the picture.
Preferably, the cloud sends the sensor data information, the alarm information and the picture to the intelligent device of the user.
The invention has the beneficial effects that:
1. and the system is linked with the cloud end, so that the reliability of the system is improved.
2. The system can adjust the working mode of the exhaust device according to the real-time gas detection concentration, and the gas exhaust effect is improved.
3. The special communication mode can take confidentiality and judgment rate into consideration.
Drawings
Fig. 1 is a block diagram illustrating a kitchen security system for gas company linked alarm according to the present invention.
In the figure, 1 is a cloud terminal, 2 is a gas company alarm, 3 is a calculation center, 4 is a variable frequency controller, 5 is an exhaust device, 6 is a terminal alarm, and 7 is a sensor.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
The embodiment is as follows:
the kitchen safety system for linkage alarm of the gas company in the embodiment is shown in fig. 1 and comprises a cloud end 1, a gas company alarm 2, a computing center 3, a variable frequency controller 4, an exhaust device 5, a terminal alarm 6 and a sensor 7, wherein the cloud end 1 is a data platform, the cloud end 1 is used for communicating with intelligent equipment of a user, relevant alarm information is sent to the user, and the intelligent equipment of the user can be a mobile phone, a tablet, a computer and the like; the gas company alarm 2 is an alarm arranged in a kitchen of a gas company, the sensor 7 is divided into a gas company sensor and a terminal sensor, the gas company sensor and the terminal sensor are both arranged in the kitchen and used for detecting gas concentration, the gas company sensor sends data information of the detected gas concentration in the air of the kitchen to the calculation center 3 and the variable frequency controller 4, and the terminal sensor transmits the information to the calculation center 3 and the terminal alarm 6; the cloud 1 receives sensor data information sent by the computing center 3, the data can be judged for the second time in the cloud, and whether a gas concentration abnormal accident happens or not is judged through the cloud and then the gas concentration abnormal accident is sent to a mobile terminal of a user.
If the terminal sensor detects that the gas concentration is abnormal, the terminal sensor triggers the terminal alarm 6 to alarm, and the edge computing center sends the information of the terminal sensor to the cloud 1 data platform and then to the user.
The gas company alarm 2 can also receive detection data from a gas company sensor, if the gas concentration is too high at the moment, alarm information is sent to the calculation center and the variable frequency controller, the calculation center 3 sends the alarm information to user equipment after a series of processing, and meanwhile, the variable frequency controller 4 opens the air exhaust device 5 to exhaust air to reduce the gas concentration.
If the gas company sensor fails, namely the gas concentration cannot be detected or the data are obviously abnormal, the gas valve is triggered to be closed, however, if the gas leakage fault occurs, the gas valve is only closed, the purpose of reducing the gas concentration cannot be achieved, and the exhaust device 5 must be opened, so that the gas company alarm 2 and the gas company sensor are connected with the variable frequency controller 4, and when the gas company sensor fails, the variable frequency controller 4 is triggered to open the fan, so that a greater accident caused by gas leakage can be avoided; when a gas company sensor fails, although the terminal sensor can still work normally, the fan must be turned on to ensure safety because one sensor has failed.
The terminal sensor, the terminal alarm, the gas company alarm and the gas company sensor are mutually redundant, and when one of the terminal sensor, the terminal alarm, the gas company alarm and the gas company sensor fails, the variable frequency controller 4 is triggered to turn on the fan.
In practical application, the probability of simultaneous failure of the sensors of the two subsystems is extremely low, and even if the sensors of the two subsystems fail, the fan can be triggered to act, so that the safety and the system reliability are improved.
The calculation center 3 is connected with the sensor 7, the terminal alarm 6 and the variable frequency controller 4, the sensor 7 monitors the gas concentration in real time, and the calculation center 3 receives the value detected by the sensor 7 and judges whether gas leakage occurs or not through a preset instruction; if the gas leakage is judged, a control signal is sent to the variable frequency controller 4 to enable the variable frequency controller 4 to control the exhaust device 5 to work, and meanwhile, the terminal alarm sends audible and visual alarm information.
The variable frequency controller 4 can also pre-program an instruction in the variable frequency controller 4 according to the gas concentration value detected in real time, and the variable frequency controller 4 can realize the variable frequency control of the air exhaust device to adapt to the air exhaust requirements under different concentrations. And when the indoor gas concentration value is reduced to be lower than a preset value, the terminal alarm stops giving an alarm. Whether the fan stops working or not is also determined according to the conditions: when a person uses the kitchen, whether the air exhaust device 5 stops working or not is determined according to the judgment of field management personnel, so that the kitchen ventilation device can be more suitable for the field condition; when the kitchen is not used by people, the calculation center 3 sends a signal to control the frequency conversion controller 4 to actively stop the air exhaust device 5 after the alarm of the overhigh gas concentration is released. By setting the human decision priority above the computer decision priority, both the flexibility of human decisions and the discipline of computer decisions can be taken into account.
The method for sending the detection data to the cloud end by the computing center 3 comprises the following steps: the calculation center 3 generates a JPG format picture according to the detected gas concentration value and the picture of the current kitchen in monitoring, after the calculation center 3 obtains the picture of the current kitchen from the monitoring system, the JPG format picture with the same size as the gas concentration detection value is generated and transmitted to the cloud after a series of operations such as compression and the like, namely the value of the storage space occupied by the JPG format picture is equal to the value of the sensor detection value in value; after the picture is sent to the cloud end 1, the cloud end 1 can judge whether the sensor data is abnormal according to the size of the storage space occupied by the picture; when gas leakage really occurs, the picture can be used as a reference for a user to take follow-up measures, and the user can know the current kitchen state such as whether a fire disaster occurs or not, the fire disaster range and the like from the picture; the kitchen security system is connected with the monitoring system, which is a widely adopted means at present and is not described in detail in this embodiment.
In addition, in order to compare whether the detected value is normal or not, a reference value of the gas concentration is preset to be used as a reference for comparison, if the detected gas concentration value is larger than the reference value, the gas concentration in a kitchen is over high, and an exhaust device needs to be opened to exhaust gas out of a room; be provided with a memory cell in the high in the clouds 1, high in the clouds 1 can judge whether gas concentration exceeds predetermined benchmark value through following means, prevents that the system from reporting an emergency and asking for help or increased vigilance: the size of the space occupied by the storage unit in the cloud 1 is equal to the reference value of the gas concentration in terms of value, after the cloud 1 receives data from the computing center 3, pictures are stored in the storage unit, and if the pictures can be successfully stored in the storage unit, the data are in a normal value range; if the picture cannot be stored successfully, namely the picture requires more space than the storage unit, the gas concentration value is beyond the normal value range. Through the secondary judgement in high in the clouds, the condition of most alarm false alarms can be filtered out, the reliability of system is improved.
Therefore, two sets of subsystems including the local monitoring system and the monitoring system of the gas company are arranged in the kitchen at the same time, and the reliability of the kitchen safety system in the embodiment can be improved through the complementary operation of the two sets of subsystems.
It should be understood that the examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (10)
1. A gas company linked alarm kitchen security system comprising:
cloud: the system comprises a data processing center, a data processing center and a data processing center, wherein the data processing center is used for receiving sensor data information and alarm information sent by the data processing center;
gas company alarm: the system comprises a sensor, an edge computing center and a variable frequency controller, wherein the sensor is used for receiving a control signal of the sensor and sending an alarm signal to the edge computing center and the variable frequency controller;
a sensor: the kitchen alarm is used for detecting the concentration of kitchen combustible gas and outputting signals to a terminal alarm, a calculation center and a gas company alarm;
a terminal alarm: receiving control signals of a sensor and a calculation center, and sending out an alarm signal;
the calculation center: the system is used for detecting sensor data in real time, sending the sensor data to the cloud end and outputting a signal to the variable frequency controller to control the air exhaust device to work; receiving an alarm signal of the gas company alarm, and sending alarm information to a cloud terminal;
a variable frequency controller: receiving signals of a computing center and an alarm of a gas company, and controlling an exhaust device to work;
an air exhaust device: and discharging the combustible gas in the chamber.
2. The kitchen safety system with linked alarm function for gas companies is characterized in that the sensors comprise a gas company sensor and a terminal sensor, the gas company sensor sends detected data to a gas company alarm, and the terminal sensor sends the detected data to the terminal alarm and a computing center.
3. The kitchen safety system for linkage alarm of gas company as recited in claim 1, wherein said variable frequency controller controls the operation mode of the air exhausting device according to the gas concentration detected by the sensor.
4. The kitchen safety system for linkage alarm of gas company as recited in claim 1, wherein the alarm is released when the sensor detects that the concentration of combustible gas has dropped to a safe value.
5. The kitchen security system for gas company linked alarm according to claim 4, wherein when the kitchen is in use, the kitchen manager manually stops the operation of the air exhausting device after the alarm is released.
6. The kitchen safety system for linkage alarm of gas company as claimed in claim 4, wherein when the kitchen is not in use, the computing center controls the exhaust device to automatically stop operation after alarm is released.
7. The kitchen safety system for linkage alarm of gas companies as claimed in claim 1, wherein the computing center generates a picture in a JPG format, the JPG format picture occupies a storage space with a value equal to a value of a sensor detection value, the picture is sent to a cloud, and the cloud judges whether sensor data is abnormal or not according to the size of the storage space occupied by the picture.
8. The kitchen safety system for linkage alarm of gas companies as claimed in claim 7, wherein the cloud includes a storage unit, the size of the storage unit is equal to the value of the gas concentration reference value, the received JPG picture is stored in the storage unit, and if the picture can be stored in the storage unit, the gas concentration is normal; and if the space occupied by the picture request is larger than the storage unit, judging that the gas concentration exceeds a normal value.
9. The kitchen security system for gas company linked alarm as recited in any one of claims 7 or 8, wherein said picture in JPG format is a monitoring photo of the current kitchen.
10. The kitchen security system for linkage alarm of gas company of claim 7, wherein said cloud sends sensor data information, alarm information and pictures to the user's smart device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111538336.XA CN114582098A (en) | 2021-12-15 | 2021-12-15 | Kitchen safety coefficient that gas company linked and reported to police |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111538336.XA CN114582098A (en) | 2021-12-15 | 2021-12-15 | Kitchen safety coefficient that gas company linked and reported to police |
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| Publication Number | Publication Date |
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| CN114582098A true CN114582098A (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111538336.XA Pending CN114582098A (en) | 2021-12-15 | 2021-12-15 | Kitchen safety coefficient that gas company linked and reported to police |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115439998A (en) * | 2022-08-10 | 2022-12-06 | 中国科学院上海微系统与信息技术研究所 | Cloud number linkage monitoring and grading alarm system for hazardous chemical warehouse |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115439998A (en) * | 2022-08-10 | 2022-12-06 | 中国科学院上海微系统与信息技术研究所 | Cloud number linkage monitoring and grading alarm system for hazardous chemical warehouse |
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