CN115235567A - NB-IoT and intelligent gas meter interaction system - Google Patents

Abstract

The invention relates to the technical field of gas meters, and discloses an interaction system between NB-IoT and a smart gas meter, comprising a device main body, an NB-IoT signal monitoring and alarm mechanism and a gas meter adapting and engaging mechanism, and one side of the device main body is fixed The NB‑IoT signal monitoring and alarm mechanism is connected, the top of the device body is fixedly connected with a gas meter adapter and snap mechanism, and a gas pipe is connected through the inner side of the gas meter adapter snap mechanism, and the top of the NB‑IoT signal monitoring and alarm mechanism is fixed The NB‑IoT signal pole is connected, and an anti-fog film is closely attached to the front of the main body of the device. The anti-fog film can well prevent the influence of fog, which greatly facilitates the reading of the gas meter. NB‑IoT The signal monitoring and alarm mechanism can trigger real-time early warning of alarms, which plays a very good role in fault monitoring and early warning of signal interaction. Table disassembly and position transfer work is carried out.

Description

An interactive system of NB-IoT and smart gas meter

technical field

The invention relates to the technical field of gas meters, in particular to an interaction system between NB-IoT and a smart gas meter.

Background technique

In recent years, with the rapid development of IoT technology and the promotion of smart city construction in my country, technologies such as 5G, NB-IoT, GPRS, LoRa, WiFi and Bluetooth have been widely used. Among them, NB-IoT, as an emerging technology of narrowband Internet of Things, has the advantages of high coverage, strong connection, low speed, low cost, low power consumption, etc., and uses authorized channels, and telecom operators are responsible for network operation, network signal Stability, strong anti-interference ability, safe and reliable data transmission, and gradually become the first choice of Internet of Things communication technology. Especially in the gas meter and water meter industries, the terminal is mainly powered by batteries, and it takes more than 12 months to replace a dry battery. If a lithium battery is used for power supply, a lithium battery with a capacity of 8.5Ah is required to work for 10 years (and The service life of the gas meter is the same), and it is generally required to connect to the Internet at least once a day to communicate. It is such a harsh energy consumption limit. It makes NB-IoT technology stand out in the application of water and gas meter industries.

For example, the Chinese patent application number is 202020080120.8, which discloses a smart gas meter for NB-IOT communication, including a casing, a main board and an antenna. The built-in antenna is made of steel sheet and CABLE line, which can not only meet the needs of communication, but also improve the performance. However, the existing device and the gas pipe do not have good installation and connection settings, and tools such as screws are required, which is more troublesome, and the existing smart gas meter has a certain failure rate when interacting with NB-IoT signals. When a fault occurs, the device cannot timely check and send alarm information, which affects the normal operation of the gas meter.

Therefore, how to design an interactive system between NB-IoT and smart gas meters has become a problem that we need to solve at present.

SUMMARY OF THE INVENTION

(1) Technical problems solved

In view of the deficiencies of the prior art, the present invention provides an interaction system between NB-IoT and a smart gas meter, which solves the problems of inconvenient disassembly and assembly and inability to troubleshoot signal faults and give early warning.

(2) Technical solutions

In order to achieve the above purpose, the present invention provides the following technical solutions: an interaction system between NB-IoT and a smart gas meter, including a device main body, an NB-IoT signal monitoring and alarm mechanism, and a gas meter adapting and engaging mechanism. One side is fixedly connected with an NB-IoT signal monitoring and alarm mechanism, the top of the device body is fixedly connected with a gas meter adapting and engaging mechanism, and a gas pipe is connected through the inner side of the gas meter adapting and engaging mechanism. -The top of the IoT signal monitoring and alarm mechanism is fixedly connected with an NB-IoT signal pole, the bottom end of the NB-IoT signal pole is fixedly connected with a signal pole operation module, and the bottom of the signal pole operation module is lapped and connected with a monitoring varistor, The bottom of the monitoring varistor is lapped and connected with a resistance reading microcontroller, the bottom side of the resistance reading microcontroller is lapped and connected with a signal normal green light, and one side of the signal normal green light is lapped and connected with a signal abnormality alarm An alarm speaker is lapped and connected to one side of the signal abnormality warning light, and an inner side of the gas meter adapting and engaging mechanism is movably connected with a gas pipe engaging sub-clamp. The two ends are fixedly connected with an engaging linking ring, one end of the engaging linking ring is fixedly connected with a gas pipe engaging main clip, and the top end of the gas pipe engaging main clip is movably connected with an engaging clip movable screw, so The top of the movable screw of the clamping clip is movably connected with a screw-connected pull bolt, and a pull-bolt fixing pin is penetratingly connected to the inner side of the screw-connected pull bolt.

Preferably, an anti-fog film is closely attached to the front of the device body, and the cross-section of the anti-fog film is circular and sheet-like, and the cross-sectional size is the same as the cross-section of the device body, and is closely attached to the device body.

Preferably, preferably, the cross-section of the NB-IoT signal pole is rectangular, in the shape of a rod, and is vertically arranged from top to bottom. Signal rod, the cross section of the monitoring varistor is a rectangular combination, in block shape, set horizontally, the cross section of the resistance reading microcontroller is a rectangular combination, in block shape, set horizontally and the cross section size is slightly larger than the monitoring varistor, the signal is normal green light and signal The section of the abnormal alarm light is circular, spherical, and symmetrically arranged, and the section of the alarm speaker is rectangular, in the shape of a slot, and the openings are arranged from left to right. The NB-IoT signal monitoring and alarm mechanism is composed of an NB-IoT signal pole, a signal pole operation module, a monitoring rheostat, a resistance reading microcontroller, a normal signal green light, an abnormal signal alarm light and an alarm speaker.

Preferably, the cross-section of the gas pipe engaging auxiliary clamp and the gas pipe engaging main clamp is a rectangular arc combined block shape, and is arranged in an annular distribution from the outside to the inside, and the cross-section of the engaging link ring is arc-shaped, in the shape of an arc. Ring-shaped, the cross-sectional size is smaller than the gas meter adapting and snapping mechanism, the cross-section of the snap-clamp movable screw is rectangular, in the shape of a screw, and is vertically arranged from top to bottom. , the cross-sectional size is slightly larger than the movable screw rod of the clamping clip, and the cross-section of the fixing pin of the pull bolt is rectangular, in the shape of a rod, and is arranged horizontally from left to right. The gas meter adapting and engaging mechanism is composed of the gas pipe engaging auxiliary clip, the engaging link ring, the gas pipe engaging main clip, the engaging clip movable screw, the screw link pulling bolt and the pulling bolt fixing pin. to make.

(3) Beneficial effects

The present invention provides an interaction system between NB-IoT and a smart gas meter, which has the following beneficial effects:

(1) In the present invention, the NB-IoT signal monitoring and alarm mechanism is set, and the NB-IoT signal monitoring and alarm mechanism is connected to the monitoring varistor at the signal pole operation module that implements signal interaction. When the NB-IoT signal pole has signal interaction interruption, etc. When the situation causes the output current of the signal pole operation module to change, the resistance value of the monitoring varistor will also change in real time, and the resistance value is read by the microcontroller for processing. When the resistance value is normal, the green light of the signal is normal and the resistance value fluctuates. It will trigger the abnormal signal alarm light to light up and give real-time early warning through the alarm speaker, thus playing a good role in fault monitoring and early warning of signal interaction.

(2) In the present invention, a gas meter adapting and engaging mechanism is provided. The gas meter adapting and engaging mechanism is provided with a movable gas pipe engaging auxiliary clamp and a gas pipe engaging main clamp, and the gas pipe engaging main clamp passes through The screw pulls the pull bolt, expands and contracts along the movable screw of the clip, and drives the other three sets of gas pipe clips to expand and contract through the joint ring. When the expansion and contraction reach the position where the gas pipe is tightly clamped When removing, insert the fixing pin of the pull bolt into the limit hole of the corresponding position of the screw-driven pull bolt for limit fixing, so as to achieve the effect of being tightly clamped and fixed on the gas pipe. Step 1. Pull out the fixing pin of the pull bolt. It is convenient and quick to disassemble and assemble, and no other tool parts are needed. It is very convenient for the disassembly and assembly of the gas meter and the position transfer work. It is good to improve the deicing effect and speed of the mechanism.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

2 is a schematic diagram of the internal cross-sectional structure of the NB-IoT signal monitoring and alarm mechanism of the present invention;

3 is a schematic diagram of the internal cross-sectional structure of the gas meter adapting and engaging mechanism of the present invention;

FIG. 4 is a schematic view of the enlarged structure of the A part of the present invention.

In the figure: 1. Main body of the device; 2. NB-IoT signal monitoring and alarm mechanism; 201, NB-IoT signal pole; 202, signal pole operation module; 203, monitoring rheostat; 204, resistance reading microcontroller; 205, signal normal Green light; 206, signal abnormality alarm light; 207, alarm speaker; 3, gas meter adapter clamping mechanism; 301, gas pipe clamping auxiliary clamp; 302, clamping linkage ring; 303, gas pipe clamping main clamp; 304, the movable screw of the clamping clip; 305, the screw linking the pull bolt; 306, the pull bolt fixing pin; 4, the gas pipe; 5, the anti-fog film.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. The embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or indicating the quantity of the indicated technical features. The "second" feature may explicitly or implicitly include one or more of the features, and in the description of the present invention, "multiple" means two or more, unless otherwise explicitly and specifically defined.

1-4, the present invention provides a technical solution: an interaction system between NB-IoT and a smart gas meter, including a device main body 1, an NB-IoT signal monitoring and alarm mechanism 2, and a gas meter adapting and engaging mechanism 3. The device One side of the main body 1 is fixedly connected with an NB-IoT signal monitoring and alarm mechanism 2, the top of the device main body 1 is fixedly connected with a gas meter adapting and engaging mechanism 3, and a gas pipe 4 is connected through the inner side of the gas meter adapting and engaging mechanism 3. , the top of the NB-IoT signal monitoring and alarm mechanism 2 is fixedly connected with an NB-IoT signal pole 201, the bottom end of the NB-IoT signal pole 201 is fixedly connected with a signal pole operation module 202, and the bottom of the signal pole operation module 202 is lapped and connected with a The monitoring varistor 203, the bottom of the monitoring varistor 203 is connected to the resistance reading single chip 204, the bottom side of the resistance reading single chip 204 is connected to the signal normal green light 205, and the signal normal green light 205 is connected to one side by overlapping. Signal abnormality warning light 206, one side of the signal abnormality warning light 206 is lapped and connected with an alarm speaker 207, and an inner side of the gas meter adapting and engaging mechanism 3 is movably connected with a gas pipe engaging sub-clamp 301, a gas pipe engaging pair Two ends of the clip 301 are fixedly connected with an engaging link ring 302, one end of the engaging link ring 302 is fixedly connected with a gas pipe engaging main clip 303, and the top of the gas pipe engaging main clip 303 is movably connected with a snap clip movable The top of the screw 304 and the movable screw 304 of the clamping clip is movably connected with a screw-connected pull bolt 305 , and a pull-bolt fixing pin 306 is connected through the inner side of the screw-connected pull bolt 305 .

Preferably, an anti-fog surface film 5 is closely attached to the front of the device main body 1 , and the cross-section of the anti-fog surface film 5 is circular and sheet-like. , Since the gas meter is exposed to the air, it is easy to produce water mist due to the change of cold and heat, which affects the reading of the gas meter. The fog film material can well prevent the influence of fog, which facilitates the reading of the gas meter.

Preferably, the cross-section of the NB-IoT signal pole 201 is rectangular, in the shape of a rod, and is vertically arranged from top to bottom. , the cross-section of the monitoring varistor 203 is a rectangular combination, in a block shape, set horizontally, the cross-section of the resistance reading microcontroller 204 is a rectangular combination, in a block shape, set horizontally and the cross-sectional size is slightly larger than the monitoring varistor 203, the signal is normal The green light 205 and the signal The section of the abnormal warning light 206 is circular, spherical, and symmetrically arranged, and the section of the warning speaker 207 is rectangular, in the shape of a slot, and is arranged open from left to right. NB-IoT signal monitoring and alarm mechanism 2 is composed of NB-IoT signal pole 201, signal pole operation module 202, monitoring varistor 203, resistance reading microcontroller 204, signal normal green light 205, signal abnormal alarm light 206 and alarm speaker 207. Therefore, when the existing smart gas meter interacts with NB-IoT signals, there is a certain failure rate. When a failure occurs, the device cannot timely check and send alarm information, which affects the normal operation of the gas meter. By setting the NB-IoT The IoT signal monitoring and alarm mechanism 2 and the NB-IoT signal monitoring and alarm mechanism 2 connect the monitoring varistor 203 at the signal pole operation module 202 that implements signal interaction. When the NB-IoT signal pole 201 has signal interaction interruption, etc. When the output current of the module 202 changes, the resistance value of the monitoring varistor 203 also changes in real time, and the microcontroller 204 is read through the resistance value for processing. When the resistance value is normal, the signal is normal and the green light 205 lights up and the resistance value fluctuates. It will trigger the signal abnormality alarm light 206 to light up and give real-time early warning through the alarm speaker 207, thus playing a good role in fault monitoring and early warning of signal interaction.

The cross-section of the gas pipe engaging auxiliary clamp 301 and the gas pipe engaging main clamp 303 is a rectangular arc combined block shape, which is distributed along the ring from the outside to the inside. The cross-section of the engaging link ring 302 is arc-shaped and annular , the cross-sectional size is smaller than that of the gas meter adapting and snapping mechanism 3, the cross-section of the snap-clamp movable screw 304 is rectangular, in the shape of a screw, and is vertically arranged from top to bottom. The cross-sectional size is slightly larger than the movable screw 304 of the clamping clip, and the cross-section of the pull-bolt fixing pin 306 is rectangular and rod-shaped, and is arranged horizontally from left to right. The gas meter adapting and engaging mechanism 3 is fixed by the gas pipe engaging auxiliary clamp 301, the engaging link ring 302, the gas pipe engaging main clamp 303, the engaging clamp movable screw 304, the screw connecting pull bolt 305 and the pull bolt. The pins 306 are combined together. Because the smart gas meter sometimes needs to be disassembled and transferred to different positions of the gas pipe 4, the existing device and the gas pipe 4 do not have a good installation and connection setting, and tools such as screws are needed. , it is more troublesome. By setting the gas meter adapting and engaging mechanism 3, the gas meter adapting and engaging mechanism 3 is provided with a movable gas pipe engaging sub-clamp 301 and a gas pipe engaging main clamp 303, and the gas pipe engaging main The clip 303 is pulled by the screw link pull bolt 305, expands and contracts along the clamping clip movable screw 304, and drives the other three sets of gas pipe engaging auxiliary clips 301 to expand and contract through the engaging link ring 302. When the position of the gas pipe 4 is tightly clamped, the pull bolt fixing pin 306 can be inserted into the limit hole of the corresponding position of the screw-connected pull bolt 305 for limit fixation, so as to achieve the tight clamping and fixation on the gas. For the effect on the pipe 4, when disassembling, the pull bolt fixing pin 306 can be pulled out along the above steps. The disassembly and assembly are convenient and quick, no other tool parts are required, and the disassembly and assembly of the gas meter and the position transfer work are very convenient.

To sum up, the work flow of the present invention: by setting the NB-IoT signal monitoring and alarm mechanism 2, the NB-IoT signal monitoring and alarm mechanism 2 is connected to the monitoring rheostat 203 at the signal pole operation module 202 that implements signal interaction. -When the signal interaction interruption occurs in the IoT signal pole 201, the output current of the signal pole operation module 202 changes, the resistance value of the monitoring varistor 203 also changes in real time, and the microcontroller 204 is read through the resistance value for processing. When the signal is normal, the green light 205 lights up, and when the resistance fluctuates, the abnormal signal alarm light 206 is triggered to light up, and real-time early warning is given through the alarm speaker 207, which plays a very good role in fault monitoring and early warning of signal interaction. effect. By setting the gas meter adapting and engaging mechanism 3, the gas meter adapting and engaging mechanism 3 is provided with a movable gas pipe engaging sub-clamp 301 and a gas pipe engaging main clamp 303, and the gas pipe engaging main clamp 303 passes through a screw rod. The interlocking pull bolt 305 pulls, expands and contracts along the clamping clip movable screw 304, and drives the other three sets of gas pipe clamping sub-clamps 301 to expand and contract through the clamping interlocking ring 302. When the position of the pipe 4, the pull bolt fixing pin 306 can be inserted into the limit hole of the corresponding position of the screw pull bolt 305 for limit fixing, so as to achieve the tight clamping and fixing on the gas pipe 4. Effectively, when disassembling, the pull bolt fixing pin 306 can be pulled out along the above steps, the disassembly and assembly are convenient and quick, no other tool parts are required, and the disassembly and assembly of the gas meter and the position transfer work are very convenient.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

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

Claims (7)

1. An interactive system between NB-IoT and a smart gas meter, comprising a device main body (1), an NB-IoT signal monitoring and alarm mechanism (2) and a gas meter adapting and engaging mechanism (3), characterized in that: the described One side of the device main body (1) is fixedly connected with an NB-IoT signal monitoring and alarm mechanism (2), and a gas meter adapting and engaging mechanism (3) is fixedly connected to the top of the device main body (1). An NB-IoT signal pole (201) is fixedly connected to the top of the signal monitoring and alarm mechanism (2), and a signal pole operation module (202) is fixedly connected to the bottom end of the NB-IoT signal pole (201), and the signal pole operates A monitoring varistor (203) is lapped and connected to the bottom of the module (202), the bottom of the monitoring varistor (203) is lapped and connected to a resistance reading single-chip microcomputer (204), and the bottom of the resistance reading single-chip (204) One side is overlapped and connected with a signal normal green light (205), one side of the signal normal green light (205) is overlapped and connected with a signal abnormality alarm light (206), and one side of the signal abnormality alarm light (206) is overlapped An alarm speaker (207) is connected, and an inner side of the gas meter adapting and engaging mechanism (3) is movably connected with a gas pipe engaging sub-clamp (301), and two parts of the gas pipe engaging the sub-clamp (301) are movably connected. The end is fixedly connected with an engaging link ring (302), and one end of the engaging link ring (302) is fixedly connected with a gas pipe engaging main clip (303), and the gas pipe engaging the main clip (303) The top end is movably connected with a clamping clip movable screw (304), and the top of the clamping clip movable screw (304) is movably connected with a screw linkage pull bolt (305), and the inner side of the screw linkage pull bolt (305) penetrates through A pull bolt fixing pin (306) is connected. 2. The interactive system of a kind of NB-IoT and smart gas meter according to claim 1, is characterized in that: the inner side of described gas meter adapting and engaging mechanism (3) is penetratingly connected with gas pipe (4). 3. the interactive system of a kind of NB-IoT and smart gas meter according to claim 1, is characterized in that: the front of described device main body (1) is closely attached with anti-fog surface film (5), anti-fog meter The cross-section of the film (5) is circular and sheet-like, the cross-sectional dimension is the same as that of the device main body (1), and is closely attached to the device main body (1). 4. the interactive system of a kind of NB-IoT and smart gas meter according to claim 1, it is characterized in that: the cross section of described NB-IoT signal pole (201) is rectangle, is rod shape, is vertical from top to bottom Straight setting, the cross section of the signal pole operation module (202) is rectangular and block-shaped, and the cross-sectional size is slightly larger than that of the NB-IoT signal pole (201). The cross section of the resistance reading single chip microcomputer (204) is a combination of rectangles and blocks, and is arranged laterally and the cross section size is slightly larger than that of the monitoring varistor (203). 5. the interactive system of a kind of NB-IoT and intelligent gas meter according to claim 1, is characterized in that: the cross section of described signal normal green light (205) and signal abnormality warning light (206) is circular, is spherical , Symmetrically arranged, the section of the alarm speaker (207) is rectangular, in the shape of a slot, and the opening is arranged from left to right. The NB-IoT signal monitoring and alarm mechanism (2) is composed of an NB-IoT signal pole (201), a signal pole operation module (202), a monitoring varistor (203), a resistance reading microcontroller (204), a signal normal green light ( 205), an abnormal signal alarm light (206) and an alarm speaker (207) are combined together. 6. the interactive system of a kind of NB-IoT and smart gas meter according to claim 1, is characterized in that: the cross section of described gas pipe engaging auxiliary clamp (301) and gas pipe engaging main clamp (303) is The rectangular arc combination is block-shaped and arranged in a ring shape from outside to inside. The cross-section of the engaging linkage ring (302) is arc-shaped and annular, and the cross-sectional size is smaller than that of the gas meter adapting and engaging mechanism (3). 7. the interactive system of a kind of NB-IoT and smart gas meter according to claim 1, it is characterized in that: the cross section of described snap clip movable screw (304) is rectangular, is screw shape, is vertical from top to bottom Straight setting, the cross-section of the screw-connected pull bolt (305) is rectangular and cylindrical, and the cross-sectional size is slightly larger than that of the clamping clip movable screw (304). To the right horizontally through the settings. The gas meter adapting and engaging mechanism (3) is composed of a gas pipe engaging auxiliary clamp (301), an engaging interlocking ring (302), a gas pipe engaging main clamp (303), and an engaging clamp movable screw (304). ), the screw link pull bolt (305) and the pull bolt fixing pin (306) are combined together.

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