CN216770919U

CN216770919U - Laser gas leakage monitoring system of Internet of things

Info

Publication number: CN216770919U
Application number: CN202220137919.5U
Authority: CN
Inventors: 李幼安
Original assignee: Guoke Hanhai Laser Technology Beijing Co ltd
Current assignee: Guoke Hanhai Laser Technology Beijing Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-06-17
Anticipated expiration: 2032-01-19

Abstract

The utility model relates to the technical field of laser monitoring, and particularly discloses an Internet of things laser gas leakage monitoring system which comprises a display terminal, a remote monitoring server and a plurality of monitoring units, wherein each monitoring unit comprises a laser gas sensor and a signal transmission base station; the monitoring unit is connected with the remote monitoring server through a signal transmission base station by adopting NBlot wireless signals, and the remote monitoring server is connected with the display terminal through network communication. According to the utility model, the laser gas sensor is adopted as a gas leakage detection device, the control circuit is matched, and the existing laser absorption spectrum analysis technology is combined, so that on one hand, the stable operation time of the monitoring equipment is longer, the regular adjustment and correction by workers are not needed, the sensitivity of gas detection is higher, the detection range is larger, and in addition, the arranged signal transmission base station is matched, the effect of remote supervision of the whole gas leakage monitoring operation can be realized, and the purposes of high efficiency and accurate monitoring are really realized.

Description

Laser gas leakage monitoring system of Internet of things

Technical Field

The utility model relates to the technical field of laser monitoring, in particular to a laser gas leakage monitoring system of the Internet of things.

Background

The thing networking laser monitoring mainly used carries out gas monitoring to pressure regulating box, the pressure regulating cabinet, the valve well, the valve, equipment such as flange, and timely early warning, thereby prevent that gas or other harmful gas from taking place a large amount of leakages, and the gas gathering appears and causes large-scale incident such as unexpected explosion, but, the traditional chemical reaction formula monitoring facilities who uses at present, only can be detected out after the gas that leaks reaches certain concentration, cause some weak leakage phenomenon can't in time be detected out, the sensitivity of detection is not high, there is certain potential safety hazard, traditional chemical reaction formula monitoring facilities still has bulky in addition, the problem that the installation is inconvenient and the consumption is high, it is not enough in the aspect of practicality and suitability to lead to traditional chemistry to be monitoring facilities.

Therefore, the laser gas leakage monitoring system of the internet of things is high in detection sensitivity, small in size, simple to install, and wide in practicability and application range.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the laser gas leakage monitoring system of the Internet of things, which has the advantages of convenience in installation, low power consumption, high sensitivity and the like, and solves the problem that the traditional pressure regulating tank chemical reaction type monitoring equipment is inconvenient to install and use.

The laser gas leakage monitoring system of the Internet of things comprises a display terminal, a remote monitoring server and a plurality of monitoring units, wherein each monitoring unit comprises a laser gas sensor and a signal transmission base station; the monitoring unit is connected with a remote monitoring server through a signal transmission base station by adopting NBlot wireless signals, the remote monitoring server is connected with a display terminal through network communication, and the laser gas sensor comprises a control circuit board and a gas absorption pool; install laser receiving element, laser emission unit and laser reflection unit on the gas absorption cell respectively, the signal transmission basic station includes data processing module and data communication module, the signal transmission basic station still includes the electric power storage unit of being connected with data processing module, laser gas sensor electricity, and laser gas sensor still includes casing assembly, and control circuit board and gas absorption cell are all installed in casing assembly's inside, casing assembly's outside is equipped with the mount pad, casing assembly's outside still is equipped with the aircraft carrier plug of being connected with control circuit board electricity, laser receiving element and laser emission unit difference electric connection correspond on control circuit board and set up the electrical connection terminal, data processing module's signal input terminal passes through wire cooperation aircraft carrier male head and aircraft carrier plug electricity and is connected.

As a further improvement of the utility model, the shell component is provided with a ventilation area which is convenient for air intake, and the ventilation area is positioned at the top surface of the shell component.

Through the design of the technical scheme, the laser gas sensor is more favorable for effective ventilation.

As a further improvement of the utility model, a filtering component with a waterproof and breathable molecular membrane is arranged on the gas absorption tank.

Through the design of the technical scheme, the filtering effect on external dust or impurities can be realized, and the laser gas sensor can be more favorably used normally for a long time.

As a further development of the utility model, the filter assembly is adapted to an opening in the top side of the gas absorption cell.

As a further improvement of the utility model, a heat dissipation element is arranged at the position of the gas absorption cell corresponding to the laser reflection unit.

Through the design of the technical scheme, the laser reflection unit can be limited and can also play a role in heat dissipation.

As a further improvement of the utility model, the shell component is also provided with a clamping groove, and a sealing structural member is clamped in the clamping groove.

Through the design of the technical scheme, the whole sealing performance of the laser gas sensor can be better, and the situation that the external water liquid is permeated into the laser gas sensor to cause accidental damage is prevented.

As a further improvement of the present invention, the signal transmission base station further includes a fixed support, an adjustable movable support installed at one end of the fixed support, and a solar cell panel installed on the adjustable movable support and electrically connected to the power storage unit, and the signal transmission base station further includes a signal transmitter electrically connected to the data communication module.

Through the design of the technical scheme, the monitoring unit can form a stable power supply mechanism through the solar cell panel and the electric power storage unit under the condition of no external power supply or mains supply, so that the sustainable normal operation of the monitoring unit is ensured.

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

1. according to the utility model, the laser gas sensor is adopted as a gas leakage detection device, the control circuit is matched, and the existing laser absorption spectrum analysis technology is combined, so that effective analysis and judgment of gas at a monitoring point are realized.

2. Compared with the traditional chemical reaction type monitoring equipment, the gas monitoring system has the advantages of smaller volume, more convenient installation, higher sensitivity, more practicability and safety and can be suitable for various special gas conveying management facilities due to the adoption of the laser gas monitoring technology.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a block diagram of the system of the present invention;

FIG. 2 is a schematic diagram of the front structure of the laser gas sensor of the present invention;

FIG. 3 is a schematic front view of the laser gas sensor according to the present invention after being disassembled;

FIG. 4 is a schematic left-view structural diagram of the laser gas sensor according to the present invention after being disassembled;

FIG. 5 is a schematic diagram of the laser gas sensor according to the present invention shown in a disassembled right view;

FIG. 6 is a schematic top view of a gas absorption cell in a laser gas sensor according to the present invention;

FIG. 7 is a schematic top view of a housing assembly of the laser gas sensor of the present invention;

FIG. 8 is a schematic top view of a laser gas sensor according to the present invention;

FIG. 9 is a schematic diagram of a signaling base station according to the present invention;

fig. 10 is a schematic structural diagram of a gas absorption cell, a laser receiving unit, a laser emitting unit, and a laser reflecting unit in the second embodiment of the present invention.

In the figure: 1. a housing assembly; 2. a mounting seat; 3. an aircraft carrier plug; 4. a card slot; 5. sealing the structural member; 6. a gas absorption cell; 7. a control circuit board; 8. a laser receiving unit; 9. a laser emitting unit; 10. A heat dissipating element; 11. a filter assembly; 12. a signal transfer base station; 13. a laser reflection unit; 14. a fixed bracket; 15. an electric storage unit; 16. a solar panel; 17. a signal transmitter; 18. an adjustable movable support; 19. a laser gas sensor.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-5, the laser gas leakage monitoring system of the internet of things of the utility model comprises a display terminal, a remote monitoring server and a plurality of monitoring units, wherein each monitoring unit comprises a laser gas sensor 19 and a signal transmission base station 12; the monitoring unit is connected with a remote monitoring server through a signal transmission base station 12 by adopting NBlot wireless signals, the remote monitoring server is connected with a display terminal through network communication, and the laser gas sensor 19 comprises a control circuit board 7 and a gas absorption pool 6; the gas absorption cell 6 is respectively provided with a laser receiving unit 8, a laser emitting unit 9 and a laser reflecting unit 13, the signal transmission base station 12 comprises a data processing module and a data communication module, the signal transmission base station 12 further comprises a power storage unit 15 electrically connected with the data processing module and the laser gas sensor, the laser gas sensor 19 further comprises a shell assembly 1, the control circuit board 7 and the gas absorption cell 6 are both arranged inside the shell assembly 1, the outer part of the shell assembly 1 is provided with a mounting seat 2, the outer part of the shell assembly 1 is also provided with an aircraft carrier plug 3 electrically connected with the control circuit board 7, the laser receiving unit 8 and the laser emitting unit 9 are respectively and electrically connected with an electric connection terminal correspondingly arranged on the control circuit board 7, a signal input terminal of the data processing module is electrically connected with the aircraft carrier plug 3 through a lead matched with the aircraft carrier male head, and the laser absorption spectrum technology of the monitoring unit is effectively realized through the design, the real-time online monitoring system has the technical effect of monitoring the monitoring unit in real time.

In the present embodiment: laser receiving element 8 and laser emission unit 9 are all installed in the both sides position of gas absorption cell 6 one end, and laser reflection unit 13 is installed in the other one end of gas absorption cell 6, and this laser reflection unit is the design of plane mirror, is subtend slope design between its laser receiving element 8 and the laser emission unit 9 to the light beam that laser emission unit 9 sent is received by laser receiving element 8 smoothly after passing through laser reflection unit 3 reflection.

Referring to fig. 3, 4 and 8, a ventilation area convenient for air intake is disposed on the housing assembly 1, the ventilation area is located on the top surface of the housing assembly 1, and the filter assembly 11 with a waterproof and breathable molecular membrane is disposed on the gas absorption cell 6, so that the filter assembly 11 is matched with the opening on the top surface of the gas absorption cell 6 to filter external dust or impurities, thereby facilitating the long-term and effective monitoring of the laser gas sensor 19.

Referring to fig. 6, the heat dissipation element 10 is installed at a position of the gas absorption cell 6 corresponding to the laser reflection unit 13, and the laser reflection unit 13 can be limited and can also have a heat dissipation effect through the above design.

Referring to fig. 3, 4 and 7, the housing assembly 1 includes an upper housing and a lower housing, the opening of the lower housing is further provided with a clamping groove 4, the sealing structure 5 is clamped inside the clamping groove 4, and the upper housing and the lower housing are fastened and fixed to each other.

Referring to fig. 1 and 9, the signal transmission base station 12 further includes a fixed bracket 14, an adjustable movable bracket 18 installed at one end of the fixed bracket 14, and a solar cell panel 16 installed on the adjustable movable bracket 18 and electrically connected to the electric power storage unit 15, and the signal transmission base station 12 further includes a signal transmitter 17 electrically connected to the data communication module, so that the monitoring unit forms a stable power supply mechanism through the solar cell panel 16 and the electric power storage unit 15 under the condition of no external power supply or no commercial power supply, so as to ensure the continuous normal operation of the monitoring unit.

The second implementation:

please refer to fig. 10, different from the first embodiment, the laser reflection unit 3 is designed in a right-angle prism structure, and the laser receiving unit 8 and the laser emitting unit 9 are designed in parallel, so that the overall structure of the gas absorption cell 6 can be conveniently processed, the precision is easy to be ensured, the cost is reduced, and the design can make the overall structure of the gas absorption cell 6 more regular and simple, not only the installation of the gas absorption cell 6 more convenient, but also the stability of the gas absorption cell 6 after installation can be improved, and the adjustment of the laser gas sensor 19 can be more convenient.

In the use of the utility model: if the phenomenon of gas leakage appears in the monitoring unit, the gas that flutters can pass through the ventilation area of seting up and pass through the filter screen and enter into laser gas sensor 19, laser emission unit 9 sends out the signal and shines to laser reflection unit 13 surface through gas absorption cell 6, send out the refraction to the surface of laser receiving element 8 through laser reflection unit 13, utilize laser receiving element 8 to transmit the detection data to signal transmission basic station 12, carry out data processing through data communication module and data processing module at last, and utilize signal transmitter 17 to transmit to remote monitoring server and display terminal, and the distal end staff then the accessible display terminal carry out wavelength analysis and judge can.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. Thing networking laser gas leakage monitoring system, including display terminal, remote monitoring server and a plurality of monitoring unit, its characterized in that: the monitoring unit comprises a laser gas sensor (19) and a signal transmission base station (12); the monitoring unit is connected with a remote monitoring server through a signal transmission base station (12) by adopting NBlot wireless signals, and the remote monitoring server is connected with a display terminal through network communication;

the laser gas sensor (19) comprises a control circuit board (7) and a gas absorption cell (6); the gas absorption cell (6) is respectively provided with a laser receiving unit (8), a laser emitting unit (9) and a laser reflecting unit (13);

the signal transmission base station (12) comprises a data processing module and a data communication module, and the signal transmission base station (12) further comprises an electric storage unit (15) electrically connected with the data processing module and the laser gas sensor.

2. The laser gas leakage monitoring system for the internet of things according to claim 1, wherein: laser gas sensor (19) still include casing assembly (1), control circuit board (7) with the inside at casing assembly (1) is all installed in gas absorption cell (6), still be equipped with mount pad (2) and aircraft carrier plug (3) of being connected with control circuit board (7) electricity on casing assembly (1), laser receiving element (8) and laser emission unit (9) electricity respectively are connected on the electric terminal that connects that corresponds the setting on control circuit board (7), data processing module's signal input terminal passes through wire cooperation aircraft carrier male head and aircraft carrier plug (3) electricity and is connected.

3. The laser gas leakage monitoring system for the internet of things according to claim 2, characterized in that: and a ventilation area convenient for air intake is arranged on the shell component (1).

4. The laser gas leakage monitoring system of the internet of things according to claim 2, wherein: and a filtering component (11) with a waterproof breathable molecular membrane is arranged on the gas absorption pool (6).

5. The laser gas leakage monitoring system of the internet of things according to claim 4, wherein: the filter assembly (11) is adapted to the opening of the gas absorption cell (6).

6. The laser gas leakage monitoring system of the internet of things according to claim 1, wherein: and a heat dissipation element (10) is arranged at the position of the gas absorption cell (6) corresponding to the laser reflection unit (13).

7. The laser gas leakage monitoring system of the internet of things according to claim 2, wherein: still be equipped with draw-in groove (4) on casing subassembly (1), the inside joint of this draw-in groove (4) has sealed structure (5).

8. The laser gas leakage monitoring system of the internet of things according to claim 1, wherein: the signal transmission base station (12) further comprises a fixed support (14), an adjustable movable support (18) arranged at one end of the fixed support (14), and a solar cell panel (16) arranged on the adjustable movable support (18) and electrically connected with the power storage unit (15), and the signal transmission base station (12) further comprises a signal transmitter (17) electrically connected with the data communication module.