CN207621688U - gas metering system based on NB-IOT - Google Patents
gas metering system based on NB-IOT Download PDFInfo
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- CN207621688U CN207621688U CN201721762217.1U CN201721762217U CN207621688U CN 207621688 U CN207621688 U CN 207621688U CN 201721762217 U CN201721762217 U CN 201721762217U CN 207621688 U CN207621688 U CN 207621688U
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- gas
- microcontroller
- iot
- mounting cup
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Abstract
The utility model is related to smart home fields, more particularly to the gas metering system based on NB IOT, including microcontroller, mounting cup for being fastened on the outside of gas meter, flow meter and the NB IOT communication modules on mounting cup, mounting cup is equipped with window, it is located on mounting cup on the inner wall at window and is installed with picture collection device, picture collection device is used to shoot the counting picture of the counter of gas meter, flow meter, pictorial information of the microcontroller for periodically obtaining picture collection device, microcontroller sends pictorial information to NB IOT communication modules, NB IOT communication modules are used to pictorial information being sent to user.Gas meter counter numerical value is sent to user by the utility model with NB IOT communication modules, it allows user to find whether indoor hiding gas pipeline leaks and exclude in time security risk in time by the form of Internet of Things, and the user experience of smart home is prompted using the advantageous feature of NB IOT communication systems.
Description
Technical field
The utility model is related to smart home fields, and in particular to the gas metering system based on NB-IOT.
Background technology
The current Internet of Things communication technology can be divided into short-range communication technique and wan communication technology from transmission range, short
Distance communication technology includes ZigBee, Wi-Fi and Bauetooth etc., and wan communication technology is commonly defined as LPWAN (Low-
Power Wide-Area Network), based on cellular narrowband Internet of Things (Narrow Band Internet of Things,
NB-IOT) with an important branch as Internet of Things the characteristics of its wide covering, small cost, low-power consumption and big connection.
Internet of Things by arrangement there is the equipment of certain perception, calculating, execution and communication capacity to obtain physical world
People is connected to object by net connection by information with object, object, such as intelligent grid, intelligent transportation and intelligent gas detection
Deng.The gas leakage metering device of existing combustion gas includes sensor, and this gas leak detection device is mounted in the environment around kitchen, by
Concentration of natural gas in the environment detected is passed to microcontroller by sensor, and microcontroller is more than threshold value in concentration of natural gas
When control alarm alarm, after concentration of natural gas is persistently increased to another setting value, by be arranged in gas pipeline
In component closing gas valve.
But this combustible gas metering arrangement there are the problem of include：First, the device is mounted in open environment,
In the case of environment ventilation condition is good, it is not easy to detect the raising of concentration of natural gas value, to which user cannot be warned in time,
Gas leakage is allowed to cause security risk to user；Second is that the device will change the structure of gas pipeline, it is inconvenient to use；Third, family
The gas pipeline that interior gas meter, flow meter is drawn is located in wall, and the counting of gas meter, flow meter can be allowed to increase when gas pipeline gas leakage, missed
Combustion gas does not enter into indoor, indoor combustible gas metering arrangement substantially and can not detect the gas concentration in environment, is brought to user
Economic loss.
Utility model content
The utility model is intended to provide a kind of gas metering system based on NB-IOT, can detect in indoor wall
Fuel gas pipeline leakage, and informed in time to user.
The gas metering system based on NB-IOT in this programme, including microcontroller, for being fastened on the outside of gas meter, flow meter
Mounting cup and the NB-IOT communication modules on mounting cup, the mounting cup be equipped with window, the mounting cup is upper
Picture collection device is installed on inner wall at the window, the picture collection device is used to shoot the counting of the counter of gas meter, flow meter
Picture, pictorial information of the microcontroller for periodically obtaining picture collection device, the microcontroller is by pictorial information
NB-IOT communication modules are sent to, the NB-IOT communication modules are used to pictorial information being sent to user.
The working principle and beneficial effect of this programme is that when in use, mounting cup, which is fastened in outside gas meter, flow meter, makes mounting cup
It is wrapped in combustion gas external surface, during cutting ferrule mounting cup, the counter of window and picture collection device alignment gas meter, flow meter
The counting picture of counter display interface is passed to microcontroller by display interface, picture collection device, and microcontroller is periodically
It obtains to count picture and control NB-IOT communication modules and is sent to user, mobile phone terminal can be used to be connect to counting picture for user
It receives, the number counted on picture that user is periodically received by comparison, to judge whether the counting of gas meter, flow meter is increasing
Add, for example, when user stay out or family in it is unmanned using combustion gas when, the counting of gas meter, flow meter is still increasing, and user can be preliminary
Judge that combustion gas may revealed in family, facilitate user to deal in time to natural gas leakage, is also convenient for user and understands combustion in real time
Gas usage amount.
Mounting cup is covered on the outer surface of gas meter, flow meter, and allow picture collection device shooting gas consumption count value figure
Piece, easy to use when acquiring the numerical value of gas consumption without changing the structure of gas pipeline or gas meter, flow meter, mounting cup can be with
Part soot dust is sheltered from, avoids accumulating excessive soot dust on gas meter, flow meter and being difficult to clear up, into indoor Gas Pipe
When road leaks, the counter values of gas meter, flow meter can increase, even if the natural gas of leakage does not diffuse into indoor environment largely,
User can also judge whether natural gas leaks by the numerical value of counter display interface, avoid combustion gas leakage for a long time not in time
Handle the economic loss and security risk brought to user.
Window allows user or other maintenance personals to see the numerical value of gas meter, flow meter, and can ensure when picture collection device is shot
Enough lights.
Further, further include gas concentration sensor and alarm, the gas concentration sensor and alarm setting exist
On the outer wall of mounting cup, the gas concentration sensor is used to detect the concentration value of natural gas in environment, and the microcontroller is used
In the concentration value for obtaining gas concentration sensor, the microcontroller is additionally operable to be alarmed according to concentration value control alarm.
When detecting hiding gas leakage, by gas concentration sensor to the concentration of natural gas value in ambient enviroment
It is detected, when concentration value is more than safety value, microcontroller control alarm is alarmed, and user's natural gas leaking note is prompted
Meaning takes the precautionary measures.
Further, further include timing module, the timing module is used to carry out the acquisition time interval of picture collection device
Timing simultaneously transmits timing signal to microcontroller, and the microcontroller controls NB-IOT communication modules by picture according to timing signal
Information is sent to user.
The timing length of timing module is that microcontroller obtains and send the period for counting picture, will count the picture period
Property be sent to user, when gas leakage, in one section of cycle time section the counting of gas meter, flow meter generate variation, facilitate user from
It counts in picture and sees the variation of counter values to judge whether combustion gas leaks, while also avoiding sending counting picture always
And the problem for causing data volume big.
Further, the cam that further includes motor and can be closed to the switch handle of dynamic gas pipeline, the microcontroller root
Electric motor starting and stopping are controlled according to concentration value, the motor is used to rotate according to the control band moving cam of microcontroller.
When the concentration value that gas concentration sensor detects is more than safety value, microcontroller controls motor band moving cam and turns
It is dynamic, switch handle is supported into dynamic closing by flange when cam being allowed to rotate, shutdown indoor fuel gas supply avoids gas leakage from locating not in time
It manages and indoor fuel gas concentration is made persistently to increase.
Further, further include guide groove, the guide groove is installed on the switch handle of gas pipeline, and the cam setting is being pacified
On dress cover, the flange of the cam coordinates in guide groove.
When cam rotates, cam is limited by guide groove, avoids skidding between cam and handle and can not supporting and move switch
Handle ensures that the flange in cam rotation process can support the switch handle for moving switch handle and closing gas pipeline.
Description of the drawings
Fig. 1 is the functional block diagram of gas metering system embodiment of the utility model based on NB-IOT；
Fig. 2 is the structural schematic diagram of mounting cup in gas metering system of the utility model based on NB-IOT.
Specific implementation mode
Below by the further details of explanation of specific implementation mode.
Reference numeral in Figure of description includes：Mounting cup 1, window 2, switch handle 3, guide groove 4, cam 5.
Gas metering system based on NB-IOT, as shown in Fig. 2, including mounting cup 1, mounting cup 1 includes in the present embodiment
Two concave housings snapped together, two shell buttons wrap gas meter, flow meter just together with, are opened on two shells
If half-round cross hole, two half-round cross holes are cut when shell fastens blocks natural gas line, and mounting cup 1 is made to be fastened in gas meter, flow meter
On outer surface, window 2 is opened up on a shell wherein, window 2 is made when mounting cup 1 is fastened in combustion gas external surface
It is the numerical value it can be seen that on counter through window 2 positioned at counter side；It is welded on the switch handle 3 of natural gas line
It is connected to guide groove 4, rotation direction is configured when the opening of guide groove 4 closes combustion gas according to switch handle 3, in the outer wall of mounting cup 1
Upper installation cam 5, cam 5 are rotated by motor drive, and motor is mounted on the shell for opening up window 2, the flange of cam 5
Cooperation is in guide groove 4, and when switch handle 3 is in the state for opening gas pipeline, the flange of cam 5 works as cam far from guide groove 4
When 5 rotations make flange be located in guide groove 4, cam 5 supports the air inlet that gas pipeline is closed in the dynamic rotation of switch handle 3.
As shown in Figure 1, including microcontroller, gas concentration sensor, alarm, picture collection device, timing module and NB-
IOT communication modules, gas concentration sensor and alarm are arranged on the outer wall of mounting cup 1, and microcontroller can use existing list
Piece machine is realized, such as C8051F120 microcontrollers, and since the main component of natural gas is methane, gas concentration sensor is available
Existing MQ-4 methane transducers realize that the output end of sensor and the input pin signal of microcontroller connect；Picture collection
Device is arranged on mounting cup 1 on the inner wall at window 2, and picture collection device can use camera, and camera is to gas meter, flow meter
The numerical value that counter is shown is shot, and shooting, which is formed, counts picture, the output of picture collection device and the input pin of microcontroller
Signal connects；Alarm can realize that output pin and the alarm control of microcontroller are connected with existing buzzer；Timing mould
Block can realize that the input pin signal of timing module and microcontroller connects, timing with existing 555 chip plus peripheral circuit
The timing length of module is arranged to four hours, i.e., with four hours for the period, every four hours microcontrollers obtain an Image Acquisition mould
The pictorial information of block, and the pictorial information is sent by NB-IOT communication modules；NB-IOT communication modules can be with existing
BC95 chips realize that output pin and the control of NB-IOT communication modules of microcontroller connect；Microcontroller connects with motor control
It connects, microcontroller controls the work of motor.
When using this metering system, window 2 and picture collection device be directed ats the counter display interface of gas meter, flow meter, scheme
The counting picture of counter display interface is passed to microcontroller by piece collector, and microcontroller, which periodically obtains, counts picture
And sent to NB-IOT communication modules and count picture, NB-IOT is sent to user by picture is counted, such as is sent to the hand of user
Machine or tablet terminal, in the present embodiment the period be arranged to four hours, user can be used mobile terminal such as mobile phone to counting picture
It is received, the mobile phone terminal of user can receive a counting picture for every four hours, and background server also can be to the counting figure
Piece is received.
User receives count picture after, the number on the counting picture that is periodically received is compared in user, root
Judge whether the counting of gas meter, flow meter is increasing according to the number variation on the front and back counting picture received, such as when user does not exist
When nobody is using combustion gas in family or family, the counting of gas meter, flow meter is still increasing, and user can tentatively judge that combustion gas may in family
It is revealing, user is facilitated to deal in time to natural gas leakage, be also convenient for user and understand combustion gas usage amount in real time.
Microcontroller obtains the concentration value that gas concentration sensor detects, when the concentration that gas concentration sensor detects
When value is more than safety value, concentration of natural gas is subject in the setting of safety value to be ignited when environment has spark, microcontroller
Device controls motor band moving cam 5 and rotates, and is closed switch handle 3 to dynamic by flange when cam 5 being allowed to rotate, shutdown indoor fuel gas supplies
It answers, avoids gas leakage from handling not in time and indoor fuel gas concentration is made persistently to increase, retarder is provided between motor and cam 5,
The speed that cam 5 rotates is reduced, keeps the process of adjusting cord more stable.
In the present embodiment, mounting cup 1 is wrapped on the outer surface of gas meter, flow meter, and picture collection device is allowed to shoot combustion gas
The count value picture of dosage, it is convenient when acquiring the numerical value of gas consumption without changing the structure of gas pipeline or gas meter, flow meter
Use, mounting cup 1 can also shelter from the part soot dust of gas meter, flow meter, avoid accumulating excessive soot dust on gas meter, flow meter and
It is difficult to clear up, when entering indoor fuel gas pipeline leakage, the counter values of gas meter, flow meter can increase, even if the natural gas of leakage
Major part does not diffuse into indoor environment, and user can also judge whether natural gas is let out by the numerical value of counter display interface
Leakage, avoiding combustion gas, leakage handles the economic loss and security risk brought to user not in time for a long time.
Window 2 allows user or other maintenance personals to see the numerical value of gas meter, flow meter, and can be protected when picture collection device is shot
Demonstrate,prove enough lights.
The present embodiment can allow user to find in time into indoor fuel gas pipeline leakage and by gas meter counter
Numerical value is sent to background server with graphic form, and gas service is facilitated to know the gas consumption of user, moreover it is possible to detect leakage
To the natural gas in indoor environment and alarm is carried out, user can be allowed to exclude security risk in time.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific implementation mode can be used for explaining the content of claim.
Claims (5)
1. the gas metering system based on NB-IOT, including microcontroller, it is characterised in that：Further include for being fastened in gas meter, flow meter
The mounting cup in outside and the NB-IOT communication modules on mounting cup, the mounting cup are equipped with window, the mounting cup
Picture collection device is installed on the upper inner wall positioned at window, the picture collection device is used to shoot the counter of gas meter, flow meter
Picture is counted, pictorial information of the microcontroller for periodically obtaining picture collection device, the microcontroller is by picture
Information is sent to NB-IOT communication modules, and the NB-IOT communication modules are used to pictorial information being sent to user.
2. the gas metering system according to claim 1 based on NB-IOT, it is characterised in that：Further include that gas concentration passes
Sensor and alarm, the gas concentration sensor and alarm are arranged on the outer wall of mounting cup, the gas concentration sensing
Device is used to detect the concentration value of natural gas in environment, and the microcontroller is used to obtain the concentration value of gas concentration sensor, institute
Microcontroller is stated to be additionally operable to be alarmed according to concentration value control alarm.
3. the gas metering system according to claim 1 based on NB-IOT, it is characterised in that：Further include timing module,
The timing module is for being timed the acquisition time interval of picture collection device and transmitting timing signal, institute to microcontroller
It states microcontroller and pictorial information is sent to by user according to timing signal control NB-IOT communication modules.
4. the gas metering system according to claim 2 based on NB-IOT, it is characterised in that：Further include that motor and can support
The cam that the switch handle of dynamic gas pipeline is closed, the microcontroller controls electric motor starting and stopping according to concentration value, described
Motor is used to be rotated according to the control band moving cam of microcontroller.
5. the gas metering system according to claim 4 based on NB-IOT, it is characterised in that：Further include guide groove, it is described
Guide groove is installed on the switch handle of gas pipeline, and the cam is arranged on mounting cup, and the flange cooperation of the cam is being led
In slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721762217.1U CN207621688U (en) | 2017-12-15 | 2017-12-15 | gas metering system based on NB-IOT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721762217.1U CN207621688U (en) | 2017-12-15 | 2017-12-15 | gas metering system based on NB-IOT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621688U true CN207621688U (en) | 2018-07-17 |
Family
ID=62819734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721762217.1U Expired - Fee Related CN207621688U (en) | 2017-12-15 | 2017-12-15 | gas metering system based on NB-IOT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362125A (en) * | 2020-11-02 | 2021-02-12 | 中国石油天然气股份有限公司规划总院 | Natural gas daily load measuring system |
| CN114241725A (en) * | 2022-02-24 | 2022-03-25 | 武汉鼎业环保工程技术有限公司 | Gas leakage monitoring method and device based on neural network and electronic equipment |
-
2017
- 2017-12-15 CN CN201721762217.1U patent/CN207621688U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362125A (en) * | 2020-11-02 | 2021-02-12 | 中国石油天然气股份有限公司规划总院 | Natural gas daily load measuring system |
| CN114241725A (en) * | 2022-02-24 | 2022-03-25 | 武汉鼎业环保工程技术有限公司 | Gas leakage monitoring method and device based on neural network and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180717 Termination date: 20181215 |