CN220104191U

CN220104191U - Intelligent gas flowmeter based on human infrared sensing and shooting

Info

Publication number: CN220104191U
Application number: CN202320918087.5U
Authority: CN
Inventors: 刘兴伟; 陈婷婷; 王凡; 田斯赟; 王倩微; 杨琳琳; 王馨培
Original assignee: Beijing Gas Group Co Ltd
Current assignee: Beijing Gas Group Co Ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-11-28
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses an intelligent gas flowmeter based on human infrared sensing and shooting, which comprises a flowmeter base table, wherein the flowmeter base table comprises a connecting pipe and a main control panel, the main control panel is arranged at the top of the connecting pipe, fixing frames are arranged on the surfaces of the connecting pipe, and a first box body and a second box body are respectively arranged at the top of the fixing frames; the first box body and the second box body are provided with mounting mechanisms; the utility model can realize the function of photographing and alarming when people approach, can identify and photograph suspicious people in a monitoring area in real time through the infrared heat release sensor and the camera arranged at the instrument end, and gives an alarm and prompts, the main control panel transmits pictures to the main station for analysis by utilizing the remote transmission and safety module, and the main station can issue instructions to the instrument end for abnormal response.

Description

Intelligent gas flowmeter based on human infrared sensing and shooting

Technical Field

The utility model relates to the technical field of natural gas metering equipment, in particular to an intelligent gas flowmeter based on human infrared sensing and shooting.

Background

The natural gas metering instrument is a very sensitive link in a gas operation system, is easy to damage and interfere, causes metering failure, can bring potential safety hazards such as gas leakage, and causes fire, deflagration and explosion to cause casualties. Especially, the industrial and commercial users with larger gas consumption have more frequent incidents of manually destroying meters to interfere with metering because of great related economic benefits, bring great trouble to the operation and safety management of gas enterprises and also cause worse social influence. The gas enterprises need to carry out investigation of abnormal gas by intensive manual inspection, and often consume great manpower and material resources. Moreover, after abnormality is found, the time of the occurrence of the problem needs to be accurately positioned so as to provide reasonable criteria for the tracing of the purchase and sale. In addition, the demand for intellectualization in the gas industry is increasing.

However, the situation that the industrial and commercial gas metering instruments which are widely used at present are manually destroyed and disturbed is difficult to find in time, the existing metering instruments lack accurate recording and identifying means for suspicious paths of personnel, reference can not be provided for purchase and sale disputes caused by abnormal destruction of the meters, the existing metering instruments lack functions in image acquisition, and meanwhile, maintenance and updating are very inconvenient in use, so that aiming at the problems, an intelligent gas flowmeter based on human infrared sensing and shooting needs to be provided.

Disclosure of Invention

The utility model aims to provide an intelligent gas flowmeter based on human infrared sensing and shooting, which has the advantages of being convenient to maintain and record and collect the condition that a gas metering instrument is manually damaged and disturbed, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the intelligent gas flowmeter based on human infrared sensing and shooting comprises a flowmeter base table, wherein the flowmeter base table comprises a connecting pipe and a main control panel, the main control panel is arranged at the top of the connecting pipe, fixing frames are arranged on the surfaces of the connecting pipe, and a first box body and a second box body are respectively arranged at the top of the fixing frames;

the first box body and the second box body are provided with a mounting mechanism, one side of the mounting mechanism is provided with an abnormal induction identification module, and the abnormal induction identification modules are electrically connected with the main control panel;

the power module, the valve driver and the transmission unit are respectively arranged in the first box body and are electrically connected with the main control panel;

the communication module and the safety module are electrically connected with the main control panel;

and one side of the top of the connecting pipe is provided with a flow acquisition module, and the flow acquisition module is electrically connected with the main control panel.

Preferably, the mounting mechanism comprises a frame, the two sides of the bottom of the frame are respectively connected with the tops of the first box body and the second box body, a clamping sleeve is sleeved on the surface of the frame in a sliding manner, and the outer side of the clamping sleeve is connected with the abnormal induction identification module.

Preferably, the inner side of the clamping sleeve is connected with a screw in a threaded manner, and one end of the screw is attached to the surface of the frame.

Preferably, the abnormal induction recognition module comprises a shell, a camera, a flash lamp and an infrared heat release sensor, wherein one side of the shell is connected with the outer side of the clamping sleeve, and the camera, the flash lamp and the infrared heat release sensor are all installed in the shell.

Preferably, the power module comprises a battery, an external power supply, a power supply and a detection unit, and the battery, the external power supply, the power supply and the detection unit are all installed in the first box body.

Preferably, the flow acquisition module comprises a temperature sensor, a pressure sensor and a flow sensor, wherein the temperature sensor, the pressure sensor and the flow sensor are all arranged on the surface of the top of the connecting pipe.

Preferably, the main control panel comprises a key unit, a display unit, an alarm system unit, a storage unit, a clock unit and a self-checking unit.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model can realize the function of photographing and alarming when people approach, can identify and photograph suspicious people in a monitoring area in real time through the infrared heat release sensor and the camera arranged at the instrument end, and gives an alarm and prompts, the main control panel transmits pictures to the main station for analysis by utilizing the remote transmission and safety module, and the main station can issue instructions to the instrument end for abnormal response.

2. The functions of the modules are related to each other, and the modules can be independently designed, so that the modules are convenient to replace and upgrade, and different users can select to reserve or remove a certain module according to the respective requirements. The modularized design is also convenient for rapidly analyzing and locking the problem of the specific module, and the maintenance can be more targeted.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic perspective view of a fixing frame according to the present utility model;

FIG. 3 is a front cross-sectional view of the first housing of the present utility model;

FIG. 4 is a front cross-sectional view of a second housing of the present utility model;

fig. 5 is a technical flowchart of the present utility model.

In the figure: 1. a flowmeter base table; 2. a connecting pipe; 3. a main control panel; 4. a fixing frame; 5. a first case; 6. a second case; 7. a power module; 8. a valve actuator; 9. a transmission unit; 10. a communication module; 11. a security module; 12. a frame; 13. a cutting sleeve; 14. a screw; 15. a housing; 16. a camera; 17. a flash lamp; 18. an infrared heat release sensor; 19. a temperature sensor; 20. a pressure sensor; 21. a flow sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: an intelligent gas flowmeter based on human infrared sensing and camera shooting comprises a flowmeter base table 1, wherein the flowmeter base table 1 comprises a turbine flowmeter, a roots flowmeter, an ultrasonic gas meter and a thermal gas meter, which are not limited to the types. The flowmeter base table 1 is linked with the valve driver 8, when the main control panel 3 detects that the instrument is abnormal, the valve driver 8 performs valve closing action, and when the instrument is recovered to be normal, the valve driver 8 performs valve opening action.

The flowmeter base table 1 comprises a connecting pipe 2 and a main control panel 3, wherein the main control panel 3 is arranged at the top of the connecting pipe 2, the surfaces of the connecting pipes 2 are provided with fixing frames 4, and the tops of the fixing frames 4 are respectively provided with a first box body 5 and a second box body 6; by providing the fixing frame 4, the first box 5 and the second box 6 are supported, fixed and installed.

The first box body 5 and the second box body 6 are provided with a mounting mechanism, one side of the mounting mechanism is provided with an abnormal induction identification module, and the abnormal induction identification modules are electrically connected with the main control panel 3; and the installation mechanism is used for installing the abnormal induction identification module.

The installation mechanism comprises a frame 12, wherein the two sides of the bottom of the frame 12 are respectively connected with the tops of the first box body 5 and the second box body 6, the surface of the frame 12 is in sliding sleeve connection with a clamping sleeve 13, and the outer side of the clamping sleeve 13 is connected with an abnormal induction identification module. The inside threaded connection of cutting ferrule 13 has screw rod 14, and the one end of screw rod 14 is laminated with the surface of frame 12. The frame 12 is type setting, through rotating screw rod 14, can be with cutting ferrule 13 and unusual response identification module fixed mounting have the surface of frame 12, can realize the purpose of conveniently dismantling and maintaining like this.

Furthermore, the type frame 12 enables the clamping sleeve 13 to be flexibly mounted at any direction on the frame 12, so that applicability is improved, and surrounding buildings and objects are prevented from shielding shooting and sensing ranges of the abnormal sensing identification module.

The abnormal induction identification module comprises a shell 15, a camera 16, a flash lamp 17 and an infrared heat release sensor 18, wherein one side of the shell 15 is connected with the outer side of the clamping sleeve 13, and the camera 16, the flash lamp 17 and the infrared heat release sensor 18 are all installed in the shell 15. The housing 15 can protect one side of the camera 16, the flash 17, and the infrared ray release sensor 18.

Further, the camera 16 is opposite to the monitoring area in front of the instrument, when a person approaches the monitoring area of the instrument, the infrared release sensor 18 automatically senses, the infrared release sensor 18 is linked with the camera 16, and the camera 16 is automatically opened to take a picture of the person on site. The camera 16 of the anomaly sensing recognition module may select infrared imaging technology or visible light technology. When low light-sensitive infrared imaging is adopted, shooting can be performed under the low light-sensitive condition. When visible light is adopted for shooting, the flash lamp 17 linked with the camera 16 is arranged in the abnormal induction recognition module, and when the field light is darkened, the flash lamp 17 is started to take a picture. The camera 16 can perform a plurality of photographing function settings according to the need.

The main control panel 3 comprises a key unit, a display unit, an alarm system unit, a storage unit, a clock unit and a self-checking unit. The main control panel 3 can set parameters of the flow processing module, the abnormal induction identification module, the valve control driving module and the remote transmission module. The main website can issue the instruction to instrument master control panel 3 through security module 11 and communication module 10, can show instruction content at the display element, also can carry out the suggestion instruction through the warning suggestion unit and report, can also carry out remote control valve driver 8 simultaneously and cut off and open the valve.

After the photo is shot, the photo can be automatically stored in the storage unit of the main control panel 3, and an alarm prompt can be started when the shooting is finished, and the alarm mode can be a voice prompt or a buzzer prompt. After the photo is stored, the main control panel 3 can automatically trigger the communication module, and the shot photo is transmitted to the main station platform through the communication module 10. If the infrared heat release sensor 18 is set for a long time and specific time is available, and a suspicious target in the monitoring area is not detected, the abnormal induction recognition module automatically enters a sleep mode, the infrared heat release sensor 18 is disconnected with the camera 16, interaction stops until a person enters, the infrared heat release sensor 18 detects the person approaching again, the camera 16 and the infrared heat release sensor 18 are interacted and automatically started, and the purpose of reducing electricity consumption can be achieved in the mode.

The storage unit is mainly used for storing the pictures of the gas quantity data, the abnormal events, the alarm data, the business data and the abnormal personnel approaching. The clock unit mainly ensures that the flow meter can work according to a unified time rhythm. The self-detection unit adopts an A/D sampling mode to detect the voltage values of various sensors, judges whether the sensors have short circuits or short circuit faults, and prompts the sensors in time through modes such as acousto-optic and electric modes. The key control unit is mainly arranged on the main control panel 3 and is used for display switching, function activation and valve opening and closing. The display unit is mainly used for displaying information such as working condition parameters, gas quantity information, alarm records and the like. And the alarm prompting unit is triggered after the main control panel 3 receives the picture of the approach of the suspicious personnel sent by the normal induction recognition module, and interacts with the user in various modes such as an indicator lamp, a buzzer, a voice player and the like to remind the user of the possible abnormal operation.

The transmission unit 9 is mainly connected with the main control module in a wired connection mode to perform read-write operation permission processing, can realize information interaction with the metering processing module and the abnormal induction identification module, can read real-time and historical data of a meter end, can read alarm/warning data, and can perform configuration of running parameters of the meter end.

The power module 7, the valve driver 8 and the transmission unit 9 are respectively arranged in the first box body 5, and the power module 7, the valve driver 8 and the transmission unit 9 are electrically connected with the main control panel 3; the communication module 10 and the safety module 11 are arranged in the second box body 6, and the communication module 10 and the safety module 11 are electrically connected with the main control panel 3; by providing the first housing 5 and the second housing 6, the power module 7, the valve driver 8, the transmission unit 9, the communication module 10 and the safety module 11 can be protected.

The communication module 10 supports various communication modes, including 4g cat.1, bluetooth communication and infrared. The 4G Cat.1 is used as a main channel to communicate with a management platform, remote recharging and basic data transmission are guaranteed, the Bluetooth channel is a second communication channel of the intelligent gas meter and is used for after-sale maintenance or data acquisition after main communication is affected, bluetooth adopts a low-power consumption module with more than 4.2 versions, the bar code number of the gas meter is written into the Bluetooth module through an AT instruction to serve as a Bluetooth name, a mobile phone or a handheld terminal with Bluetooth function scans the bar code number of the intelligent gas meter and uses the bar code number to pair with Bluetooth of the gas meter, and a pairing password is required to be input in the pairing process, so that frequent attack of illegal APP on Bluetooth is avoided. After the pairing is successful, when the APP needs to read or set the data of the gas meter, the APP needs to send the data to the master station for encryption and then send the data to the gas meter through the APP, the APP returns the data to be returned for encryption after the gas meter is analyzed, the APP then sends the data to the master station for decryption, and the APP can see the correct value after receiving the decrypted data. The infrared communication can be opened through key triggering, and can be used as a standby channel for after-sales maintenance or parameter setting during company production.

Further, the Cat.1 module is used as a main remote communication module, is compatible with various module protocols, can select different operators according to regions, better ensures signal strength and ensures success rate of communication. The method can rely on the existing 4G network, the driver program can switch and use the TCP protocol and the MQTT protocol, has the full-link communication fault indication function, can cover Cat.1 in a place where a good network is covered with 4G signals, can effectively avoid risks brought by 2/3G network withdrawal, and can package the communication module MCU into an independent pluggable module in consideration of continuous upgrading of the communication technology, thereby meeting the requirements of quick replacement after updating and updating of future communication technology.

The master station performs security protection through the security module 11 when performing data interaction with the instrument. The security logic functional unit is used for storing transmission keys, key service data and metering data, the security logic functional unit uses a security chip for data encryption and decryption and security authentication, SM3, SM4 and SM2/SM9 standard cryptographic algorithms are supported, and various transmission modes including ciphertext, MAC and ciphertext and signature are adopted, so that the security and reliability of the data are ensured. When the master station performs data interaction with the table end, the master station can recover the original message after performing key authentication and signature verification on the opposite side logic functional unit. The Bluetooth communication protocol uses a process key to ensure a table to be encrypted, wherein parameter setting and recharging information need to be encrypted and decrypted through a security chip, and the security and reliability of transmitted data are ensured.

The power module 7 comprises a battery, an external power supply, a power supply and a detection unit, and the battery, the external power supply, the power supply and the detection unit are all arranged in the first box body 5. The power module 7 adopts a battery and external power supply dual-power supply mode, the two power supply modes can be automatically switched, when data are required to be uploaded through real-time communication, the external power supply mode is started, power is provided, the communication frequency of the instrument and the management platform is ensured, and the real-time performance of instrument management is improved; when the real-time communication is not needed for data transmission, the power supply is automatically switched to a battery power supply mode and is communicated with the management platform once every day, so that the normal operation of the instrument is ensured. The battery power supply adopts the low-power consumption design, can adopt the high-capacity lithium cell of energy type, also can adopt the alkaline cell that the user conveniently changed, and detecting element monitors and manages inside and outside power, and the battery power supply in the time of the external power source is not consumed, can switch to the interior power work automatically after the external power source falls the power, in time reminds the user to change the battery when interior battery power supply is not enough, and the external power source adopts explosion-proof housing, guarantees user's safety in utilization.

One side at connecting pipe 2 top installs flow acquisition module, and flow acquisition module and main control panel 3 electric connection, flow acquisition module include temperature sensor 19, pressure sensor 20 and flow sensor 21, and temperature sensor 19, pressure sensor 20 and flow sensor 21 all install the surface at connecting pipe 2 top. The temperature sensor 19 and the pressure sensor 20 collect the temperature and the pressure of the fluid in the connecting pipe 2, the flow sensor 21 collects the gas working condition flow at the running time of the base meter, meanwhile, the temperature sensor 19 and the pressure sensor 20 collect the temperature and the pressure data at the corresponding time, the flow sensor 21 is embedded with a gas temperature and pressure compensation algorithm, the flow under the standard condition is calculated by utilizing the real-time working condition flow, the temperature and the pressure data, the conversion of the flow and the sum of money is carried out, and finally the flow integration is carried out, so that the gas accumulation use amount and the residual amount are calculated. The flow acquisition module transmits the acquired flow, temperature and pressure data to the main control panel 3.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligent gas flowmeter based on human infrared induction and make a video recording, includes flowmeter base table (1), flowmeter base table (1) include connecting pipe (2) and master control panel (3), the top at connecting pipe (2) is installed in master control panel (3), its characterized in that: the surface of the connecting pipe (2) is provided with a fixing frame (4), and the top of the fixing frame (4) is provided with a first box body (5) and a second box body (6) respectively;

the first box body (5) and the second box body (6) are provided with a mounting mechanism, one side of the mounting mechanism is provided with an abnormal induction identification module, and the abnormal induction identification modules are electrically connected with the main control panel (3);

a power module (7), a valve driver (8) and a transmission unit (9) are respectively arranged in the first box body (5), and the power module (7), the valve driver (8) and the transmission unit (9) are electrically connected with the main control panel (3);

a communication module (10) and a safety module (11) are arranged in the second box body (6), and the communication module (10) and the safety module (11) are electrically connected with the main control panel (3);

and one side of the top of the connecting pipe (2) is provided with a flow acquisition module, and the flow acquisition module is electrically connected with the main control panel (3).

2. The intelligent gas flowmeter based on human infrared sensing and shooting according to claim 1, wherein: the mounting mechanism comprises a frame (12), wherein the two sides of the bottom of the frame (12) are respectively connected with the tops of the first box body (5) and the second box body (6), a clamping sleeve (13) is sleeved on the surface of the frame (12) in a sliding manner, and the outer side of the clamping sleeve (13) is connected with an abnormal induction identification module.

3. The intelligent gas flowmeter based on human infrared sensing and shooting as set forth in claim 2, wherein: the inner side of the clamping sleeve (13) is connected with a screw rod (14) in a threaded manner, and one end of the screw rod (14) is attached to the surface of the frame (12).

4. The intelligent gas flowmeter based on human infrared sensing and shooting as set forth in claim 2, wherein: the abnormal induction identification module comprises a shell (15), a camera (16), a flash lamp (17) and an infrared heat release sensor (18), wherein one side of the shell (15) is connected with the outer side of the clamping sleeve (13), and the camera (16), the flash lamp (17) and the infrared heat release sensor (18) are all installed in the shell (15).

5. The intelligent gas flowmeter based on human infrared sensing and shooting according to claim 1, wherein: the power module (7) comprises a battery, an external power supply, a power supply and a detection unit, and the battery, the external power supply, the power supply and the detection unit are all arranged in the first box body (5).

6. The intelligent gas flowmeter based on human infrared sensing and shooting according to claim 1, wherein: the flow acquisition module comprises a temperature sensor (19), a pressure sensor (20) and a flow sensor (21), wherein the temperature sensor (19), the pressure sensor (20) and the flow sensor (21) are all arranged on the surface of the top of the connecting pipe (2).

7. The intelligent gas flowmeter based on human infrared sensing and shooting according to claim 1, wherein: the main control panel (3) comprises a key unit, a display unit, an alarm system unit, a storage unit, a clock unit and a self-checking unit.