CN216483786U - Intelligent gas leakage monitoring device based on Internet of things - Google Patents

Abstract

The utility model discloses an intelligent monitoring device is leaked in gas based on thing networking, include: end box, metering valve pipe, measurement subassembly and gas concentration detection subassembly are handled to thing antithetical couplet, and measurement subassembly fixed mounting is in the inside of metering valve pipe, and the quantity of metering valve pipe is two and the output of two metering valve pipes and the input electric connection that end box was handled to thing antithetical couplet, and the surface of metering valve pipe is equipped with the barometer, and the inside that end box was handled to the thing antithetical couplet is equipped with treater and power module. The utility model discloses in, arrange in the both ends of detecting the interval through setting up two sets of metering valve tubular construction, utilize the metering valve inside to carry out the conversion of gaseous kinetic energy to electric energy to measure the inside velocity of flow of gas pipeline and pressure variation through measuring and calculating of conversion current and measure both ends metering valve pipe current difference, and then carry out real-time supervision to the pipeline between the metering valve pipe and judge whether there is the gas to leak, adopt the mode of interval measurement, measure accurate error little.

Description

Intelligent gas leakage monitoring device based on Internet of things

Technical Field

The utility model relates to a gas monitoring technology field specifically is a gas leaks intelligent monitoring device based on thing networking.

Background

Natural gas is used as a high-quality, efficient, green and clean low-carbon energy source and is widely applied to urban residents, but the natural gas is flammable and explosive, indoor safety accidents occur at the same time, and the problem of gas safety is increasingly emphasized. The traditional indoor gas safety guarantee measures are as follows: a gas leakage alarm or an overflow leakage self-closing valve is additionally arranged at a user end, if a sensing point of the gas leakage alarm or the overflow leakage self-closing valve is not positioned with a gas leakage point, no alarm occurs, and the sensor is easy to drift to cause false alarm; the latter only solves the problem of abnormal large-flow leakage and cannot monitor small-flow leakage. With the rapid development of the internet of things and chip technology, a safety system for detecting gas leakage, automatically alarming and cutting off based on the internet of things intelligent gas meter is already applied.

The existing gas leakage monitoring is mainly detected through various sensing devices, the sensor needs to be communicated with an external power supply circuit, so that a gas pipeline is linked with a circuit structure, the wind direction of a fire disaster is extremely easy to cause due to the participation of current when gas leakage occurs, the safety is low, the equipment laying cost is high, in addition, the detection means of the sensor intelligently detects a single point position, the detection efficiency is low, the accuracy is low, and certain defects exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.

Therefore, the utility model discloses the technical scheme who adopts does: the utility model provides a gas leakage intelligent monitoring device based on thing networking, includes: thing allies oneself with handles end box, metering valve pipe, measurement subassembly and gas concentration detection subassembly, measurement subassembly fixed mounting is in the inside of metering valve pipe, the output that the quantity of metering valve pipe was two and two metering valve pipes and thing allies oneself with the input electric connection who handles end box, the surface of metering valve pipe is equipped with the barometer, thing allies oneself with the inside of handling end box and is equipped with treater and power module, the measurement subassembly includes generator, eccentric transmission box, measurement box and rotates and installs in the inboard measurement rotor of measurement box, generator, eccentric transmission box and measurement box fixed connection in proper order, the output of generator is connected with the tip transmission of measurement rotor through eccentric transmission box, the one end of measurement box is equipped with the top cap, the air inlet has been seted up on the surface of measurement box, the loss export has been seted up on the surface of top cap.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a metering valve, including metering valve pipe, air inlet and escape, the both ends of metering valve pipe are equipped with inlet port and the port of giving vent to anger respectively, air inlet and escape are located the both ends of measurement box respectively, the air inlet is located the one end of keeping away from the metering rotor centre of a circle, the escape is located the one side of being close to the metering rotor centre of a circle, the air inlet and escape be linked together with the tip of inlet port and the port of giving vent to anger respectively.

Through adopting above-mentioned technical scheme, thereby the gas is all circulating through air inlet and escape port and is promoting the inboard measurement rotor of measurement box to carry out the generator drive electricity generation through inlet port and the port of giving vent to anger, provides the electric energy and carries out through the gas volume measurement for equipment.

The present invention may be further configured in a preferred embodiment as: the output end of the generator is electrically connected with a current sensor used for measuring the generating capacity of the generator, the output end of the generator is electrically connected with the input end of the power supply module, the power supply module is a rechargeable lithium battery, the output end of the current sensor is electrically connected with the input end of the processor, and the output end of the processor is electrically connected with the internet of things communication module.

By adopting the technical scheme, the metering is carried out by utilizing the current generated by the conversion of the metering rotor and the motion amount of the generator, so that the gas passing rate and the throughput data are obtained by utilizing the analysis of the processor.

The present invention may be further configured in a preferred embodiment as: the inner part of the eccentric transmission box is provided with a driving gear fixedly sleeved at the input shaft end of the generator, the surface of the eccentric transmission box is rotatably provided with an eccentric shaft sleeved at the inner side of the metering rotor, and one end of the eccentric shaft is provided with a spline edge in transmission engagement with the surface of the driving gear.

Further, the measurement rotor includes rotor, pressfitting lid and measurement baffle, the inboard of rotor is equipped with a plurality of piston motion chambeies, the one end fixedly connected with slidable mounting of measurement baffle is in the piston strip of piston motion intracavity side, one side of piston strip and the inboard in piston motion chamber are equipped with the elastic component, the inner wall of measurement box and the one end slip butt of measurement baffle.

Furthermore, the number of the metering partition plates is a plurality and is uniformly distributed on the periphery of the rotor in the circumferential direction, and the other ends of the metering partition plates are in sliding butt joint with the inner wall of the metering box.

Through adopting above-mentioned technical scheme, in the measurement rotor is promoted rotatory in the motion, arrange through its eccentric formula, in the circumferencial direction along air inlet to escape mouth, the compartment that measurement baffle and measurement box inboard formed is crescent, and the gas is moving to escape mouth one side quick release, utilizes the moment of eccentric pivoted mode increase gas drive measurement rotor to make the generator rotate steadily.

The present invention may be further configured in a preferred embodiment as: the gas concentration detection assembly comprises a detection ring seat, a gas concentration sensor and an air inlet fan, wherein the gas concentration sensor and the air inlet fan are fixedly installed inside the detection ring seat, an air filtering ring sheet is fixedly installed on the bottom surface of the detection ring seat, and the power end of the air inlet fan is electrically connected with the output end of the power supply module.

Through adopting above-mentioned technical scheme, the electric current drive air intake fan rotary motion that utilizes the generator to produce makes gas concentration detection subassembly surrounding environment air concentrate through gas concentration sensor surface to improve the gas and reveal the detectivity.

The utility model discloses the beneficial effect who gains does:

1. the utility model discloses in, arrange in the both ends of detecting the interval through setting up two sets of metering valve tubular construction, utilize the inside metering subassembly of metering valve to carry out the conversion of gaseous kinetic energy to electric energy to measure the inside velocity of flow of both ends metering valve pipe current difference through measuring and calculating of conversion current and judge gas pipeline and change of pressure, and then carry out real-time supervision to the pipeline between the metering valve pipe and judge whether there is the gas leakage, adopt the mode of interval measurement, measure accurate error little.

2. The utility model discloses in, turn into equipment power supply electric energy with part gas motion kinetic energy through the measurement subassembly to for this intelligent monitoring device provides the power, need not to arrange complicated supply circuit, the linkage between isolated electric power and the gas pipeline, thereby reduce equipment arrangement cost and reduce the incident that electric power and gas linkage cause, improve this intelligent monitoring device's security.

Drawings

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

FIG. 2 is a schematic view of the internal structure of a metering valve tube according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a metering assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of an eccentric transmission case mounting structure according to an embodiment of the present invention;

fig. 5 is an exploded view of a metering rotor according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a gas concentration detection assembly according to an embodiment of the present invention.

Reference numerals:

100. an Internet of things processing terminal box;

200. a metering valve tube; 210. an air inlet port; 220. an air outlet port; 230. a barometer;

300. a metering assembly; 310. a generator; 320. an eccentric transmission box; 330. a measuring box; 340. a top cover; 350. a metering rotor; 321. a drive tooth; 322. an eccentric shaft; 331. an air inlet; 341. an escape opening; 351. a rotor; 352. pressing the cover; 353. a metering partition; 354. a piston strip; 355. a piston motion chamber; 356. an elastic member;

400. a gas concentration detection assembly; 410. detecting a ring seat; 420. a gas concentration sensor; 430. an air intake fan; 411. and an air filtering ring sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

It is to be understood that such description is merely exemplary and is not intended to limit the scope of the present invention.

The following describes the intelligent monitoring device for gas leakage based on the internet of things, provided by some embodiments of the present invention, with reference to the accompanying drawings.

With reference to fig. 1-6, the utility model provides a pair of intelligent monitoring device is leaked in gas based on thing networking, include: the measurement assembly 300 is fixedly arranged inside the measurement valve tube 200, the number of the measurement valve tubes 200 is two, the output ends of the two measurement valve tubes 200 are electrically connected with the input end of the thing-connection processing end box 100, a detection interval is formed by the two measurement valve tubes 200, whether gas leaks is judged by the data difference value of the two measurement valve tubes 200, the surface of the measurement valve tube 200 is provided with a barometer 230, the inside of the thing-connection processing end box 100 is provided with a processor and a power supply module, the measurement assembly 300 comprises a generator 310, an eccentric transmission box 320, a measurement box 330 and a measurement rotor 350 rotatably arranged on the inner side of the measurement box 330, the generator 310, the eccentric transmission box 320 and the measurement box 330 are fixedly connected in sequence, the output end of the generator 310 is in transmission connection with the end of the measurement rotor 350 through the eccentric transmission box 320, one end of the measuring box 330 is provided with a top cover 340, the surface of the measuring box 330 is provided with an air inlet 331, and the surface of the top cover 340 is provided with an escape opening 341.

In this embodiment, the two ends of the metering valve tube 200 are respectively provided with an inlet port 210 and an outlet port 220, the inlet 331 and the outlet 341 are respectively located at the two ends of the metering box 330, the inlet 331 is located at one end away from the center of the metering rotor 350, the outlet 341 is located at one side close to the center of the metering rotor 350, and the inlet 331 and the outlet 341 are respectively communicated with the ends of the inlet port 210 and the outlet port 220.

Specifically, the gas flows through the inlet port 210 and the outlet port 220 via the inlet port 331 and the outlet port 341 to drive the metering rotor 350 inside the metering box 330 to generate power by the generator 310, so as to provide power for the device and perform gas passing metering.

In this embodiment, the output end of the generator 310 is electrically connected to a current sensor for measuring the power generation of the generator 310, the output end of the generator 310 is electrically connected to the input end of the power supply module, the power supply module is a rechargeable lithium battery, the output end of the current sensor is electrically connected to the input end of the processor, and the output end of the processor is electrically connected to the internet of things communication module.

Specifically, the current generated by the conversion of the motion amounts of the metering rotor 350 and the generator 310 is used for metering, so that the data of the gas passing rate and the throughput are obtained by the analysis of a processor, the metering component 300 in the metering valve pipe 200 is used for converting the gas kinetic energy into the electric energy, the current difference of the metering valve pipe 200 at two ends of the metering valve pipe 200 is measured by measuring and calculating the conversion current, the change of the internal flow rate and the pressure of the gas pipeline is judged, and the pipeline between the metering valve pipes 200 is monitored in real time to judge whether the gas leakage exists or not.

In this embodiment, the inside of the eccentric transmission box 320 is provided with a driving tooth 321 fixedly sleeved at the input shaft end of the generator 310, the surface of the eccentric transmission box 320 is rotatably provided with an eccentric shaft 322 sleeved at the inner side of the metering rotor 350, one end of the eccentric shaft 322 is provided with a spline edge in transmission engagement with the surface of the driving tooth 321, the metering rotor 350 comprises a rotor 351, a press cover 352 and a metering partition 353, the inner side of the rotor 351 is provided with a plurality of piston motion cavities 355, one end of the metering partition 353 is fixedly connected with a piston bar 354 slidably mounted at the inner side of the piston motion cavities 355, one side of the piston bar 354 and the inner side of the piston motion cavities 355 are provided with an elastic member 356, and the inner wall of the metering box 330 is in sliding abutment with one end of the metering partition 353.

Furthermore, the number of the metering partition 353 is several, and the metering partition 353 is uniformly distributed on the periphery of the rotor 351 in the circumferential direction, and the other end of the metering partition 353 is in sliding contact with the inner wall of the metering box 330.

Specifically, in the process that the metering rotor 350 is pushed to rotate, through the eccentric arrangement of the metering rotor 350, in the circumferential direction from the air inlet 331 to the escape opening 341, the compartment formed by the metering partition 353 and the inner side of the metering box 330 is gradually enlarged, the gas is quickly released from the moving side to the escape opening 341, the moment for driving the metering rotor 350 by the gas is increased in an eccentric rotation mode to enable the generator 310 to stably rotate, part of gas movement kinetic energy is converted into equipment power supply electric energy through the metering assembly 300, a power supply is provided for the intelligent monitoring device, a complex power supply circuit does not need to be arranged, linkage between electric power and a gas pipeline is isolated, and therefore the equipment arrangement cost is reduced, and safety accidents caused by linkage between the electric power and the gas are reduced.

In this embodiment, the gas concentration detecting assembly 400 includes a detecting ring seat 410, and a gas concentration sensor 420 and an intake fan 430 which are fixedly installed inside the detecting ring seat 410, wherein an air filter ring sheet 411 is fixedly installed on a bottom surface of the detecting ring seat 410, and a power end of the intake fan 430 is electrically connected to an output end of the power supply module.

Specifically, the current generated by the generator 310 drives the air inlet fan 430 to rotate, so that the ambient air around the gas concentration detection assembly 400 intensively passes through the surface of the gas concentration sensor 420, thereby improving the gas leakage detection sensitivity.

In the present application, the term "plurality" means two or more unless expressly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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

Claims (7)

1. The utility model provides a gas leakage intelligent monitoring device based on thing networking which characterized in that includes: the utility model discloses a measurement device, including measurement box (100), thing allies oneself with and handles end box (100), metering valve pipe (200), measurement subassembly (300) and gas concentration detection subassembly (400), measurement subassembly (300) fixed mounting is in the inside of metering valve pipe (200), the quantity of metering valve pipe (200) is two and the output of two metering valve pipes (200) and the input electric connection of thing allies oneself with and handles end box (100), the surface of metering valve pipe (200) is equipped with barometer (230), the inside of thing allies oneself with and handles end box (100) is equipped with treater and power module, measurement subassembly (300) include generator (310), eccentric transmission box (320), measurement box (330) and rotate and install in measurement box (330) inboard measurement rotor (350), generator (310), eccentric transmission box (320) and measurement box (330) are fixed connection in proper order, the output of generator (310) is through the end transmission connection of eccentric transmission box (320) with measurement rotor (350), one end of the metering box (330) is provided with a top cover (340), the surface of the metering box (330) is provided with an air inlet (331), and the surface of the top cover (340) is provided with an escape opening (341).

2. The gas leakage intelligent monitoring device based on the internet of things as claimed in claim 1, wherein an air inlet port (210) and an air outlet port (220) are respectively arranged at two ends of the metering valve tube (200), the air inlet (331) and the air outlet (341) are respectively located at two ends of the metering box (330), the air inlet (331) is located at one end far away from the circle center of the metering rotor (350), the air outlet (341) is located at one side close to the circle center of the metering rotor (350), and the air inlet (331) and the air outlet (341) are respectively communicated with end portions of the air inlet port (210) and the air outlet port (220).

3. The intelligent gas leakage monitoring device based on the internet of things of claim 1, wherein an output end of the generator (310) is electrically connected with a current sensor for measuring the power generation amount of the generator (310), an output end of the generator (310) is electrically connected with an input end of a power supply module, the power supply module is a rechargeable lithium battery, an output end of the current sensor is electrically connected with an input end of a processor, and an output end of the processor is electrically connected with an internet of things communication module.

4. The intelligent gas leakage monitoring device based on the internet of things as claimed in claim 1, wherein a driving tooth (321) fixedly sleeved at the input shaft end of the generator (310) is arranged inside the eccentric transmission box (320), an eccentric shaft (322) sleeved inside the metering rotor (350) is rotatably arranged on the surface of the eccentric transmission box (320), and one end of the eccentric shaft (322) is provided with a spline ridge in transmission engagement with the surface of the driving tooth (321).

5. The gas leakage intelligent monitoring device based on the internet of things of claim 1, wherein the metering rotor (350) comprises a rotor (351), a press cover (352) and a metering partition plate (353), a plurality of piston movement cavities (355) are arranged on the inner side of the rotor (351), one end of the metering partition plate (353) is fixedly connected with a piston strip (354) which is slidably installed on the inner side of each piston movement cavity (355), an elastic piece (356) is arranged on one side of each piston strip (354) and the inner side of each piston movement cavity (355), and the inner wall of the metering box (330) is in sliding abutting joint with one end of the metering partition plate (353).

6. The intelligent gas leakage monitoring device based on the Internet of things of claim 5, wherein the number of the metering partition plates (353) is several, the metering partition plates are uniformly distributed on the periphery of the rotor (351) in the circumferential direction, and the other ends of the metering partition plates (353) are in sliding abutting joint with the inner wall of the metering box (330).

7. The gas leakage intelligent monitoring device based on the internet of things as claimed in claim 1, wherein the gas concentration detection assembly (400) comprises a detection ring seat (410), and a gas concentration sensor (420) and an air inlet fan (430) which are fixedly installed inside the detection ring seat (410), an air filtering ring piece (411) is fixedly installed on the bottom surface of the detection ring seat (410), and a power supply end of the air inlet fan (430) is electrically connected with an output end of a power supply module.

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