CN218567326U

CN218567326U - Urban underground gas safety monitoring system

Info

Publication number: CN218567326U
Application number: CN202222835493.3U
Authority: CN
Inventors: 吴大泽; 江警雄; 潘建忠; 晏华华
Original assignee: GREENVILLE (XIAMEN) ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Current assignee: GREENVILLE (XIAMEN) ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-03
Anticipated expiration: 2032-10-27

Abstract

The utility model provides a gaseous safety monitoring system in city underground, include and be fixed in two fixed plates on the underground piping wall along vertical direction, be equipped with the dead lever between two fixed plates, the fixed plate bottom and the position that is close the top are equipped with first stop collar and second stop collar respectively, second stop collar upper end just is equipped with the monitoring dish in the slip cover of dead lever outside, be equipped with gaseous monitoring subassembly on the monitoring dish and the control panel who is connected with gaseous monitoring subassembly electricity, first stop collar upper end just is equipped with the buoyancy dish in the slip cover of dead lever outside, monitoring dish week side symmetry is equipped with downwardly extending's gag lever post, buoyancy dish middle part is run through and is equipped with the hole of stepping down that suits with the second stop collar, monitoring dish below is equipped with the proximity switch who is connected with the control panel electricity, buoyancy dish corresponds the position and is equipped with the response piece with proximity switch complex, the utility model discloses can realize the stable rising of monitoring dish and buoyancy dish, avoid the card shell, realize the stable work of gaseous monitoring subassembly, prolong the holistic life of equipment.

Description

Urban underground gas safety monitoring system

Technical Field

The utility model relates to a gaseous monitoring facilities's technical field, especially a gaseous safety monitoring system in city underground.

Background

The urban underground pipeline is a municipal utility facility for urban sewage disposal and pipeline arrangement, and is designed, constructed and maintained uniformly. Because of the pollution of municipal sewage, garbage and the like in the underground pipeline, certain toxic and harmful gases such as CH4 (methane), H2S (hydrogen sulfide), CO (carbon monoxide) and ammonia-nitrogen (NH 3-N) can be generated after long-term fermentation, the ventilation performance of the underground pipeline is limited to be poor under continuous accumulation, and certain potential safety hazard is easily caused, so that the part of gas needs to be safely monitored to ensure the safety of the infrastructure.

In order to solve the problems, the technical personnel in the field research and develop gas monitoring alarm equipment with waterproof function, be a ground pipe gallery toxic gas monitoring alarm equipment that chinese bulletin number is CN217466874U demonstrates, it includes the fixed plate of installing on the ground pipe gallery wall through the screw, install the dead lever that extends to one side on the fixed plate, the dead lever end fixing has the gag lever post of perpendicular to ground pipe gallery bottom, the stop collar that goes up and down along with the water level goes up and down in the underground pipe gallery is equipped with to the outside cover of gag lever post, install the monitoring kickboard that extends to one side on the stop collar outer wall, install gas monitoring subassembly on the monitoring kickboard, install the alarm of being connected with gas monitoring subassembly on the dead lever top.

The scheme solves the problems of toxic gas monitoring, alarming and water proofing, but the whole equipment is arranged at the same side of the limiting rod and the limiting sleeve along with the lifting of the water level, is limited by the weight of the whole equipment, and is easy to clamp a shell in the up-and-down floating process, so that the water level is submerged in the equipment to cause water inlet and faults; in addition, the water level of the pipeline at the bottom changes frequently, and the equipment rises and falls along with the water level for a long time, so that the loss of the equipment is extremely easy to accelerate, the service life of the equipment is shortened, and the equipment is not beneficial to the stable and long-term operation of the equipment.

In view of the above, the present inventors have specially designed an urban underground gas safety monitoring system, and have resulted from this.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the technical scheme of the utility model is as follows:

the utility model provides a gaseous safety monitoring system in city underground, includes two fixed plates that are fixed in on the underground piping wall along vertical direction, two be equipped with the dead lever between the fixed plate, the position of fixed plate bottom and being close the top is equipped with first stop collar and second stop collar respectively, second stop collar upper end and in the slip cover of dead lever outside are equipped with the monitoring dish, be equipped with gaseous monitoring subassembly on the monitoring dish and the control panel who is connected with gaseous monitoring subassembly electricity, first stop collar upper end and in the slip cover of dead lever outside are equipped with the buoyancy disc, the week side symmetry of monitoring disc is equipped with downwardly extending's gag lever post, two the gag lever post passes the buoyancy disc and slides rather than being connected, buoyancy disc middle part runs through be equipped with the hole of stepping down that suits with the second stop collar, monitoring disc below is equipped with the proximity switch who is connected with the control panel electricity, the buoyancy disc corresponds the position and is equipped with the response piece with proximity switch complex.

Preferably, the gas monitoring subassembly includes hydrogen sulfide gas sensor, carbon monoxide gas sensor, methane gas sensor and ammonia-nitrogen gas sensor, and every kind of sensor all is equipped with 3 and encircles monitoring dish evenly distributed, control panel includes processing module and wireless communication module, processing module and hydrogen sulfide gas sensor, carbon monoxide gas sensor, methane gas sensor and ammonia-nitrogen gas sensor are used for receiving, process gas data, wireless communication module is used for connecting remote equipment and carries out data display and warning.

Preferably, the processing module is an MCU microprocessor.

Preferably, the second stop collar from top to bottom includes fixed cover and the swivel nut of screwing in proper order, through the position of the elasticity degree in order to adjust the second stop collar of the swivel nut control fixed cover of screwing and dead lever.

Preferably, the outer wall of the screwing threaded sleeve is sleeved with an anti-skidding sleeve.

Preferably, the monitoring disc lower extreme is fixed with the cystosepiment, set up the groove of stepping down that corresponds with proximity switch on the cystosepiment.

Preferably, the induction block is in a frustum shape with a small top and a big bottom, and the shape of the abdicating groove is adapted to the induction block.

Preferably, the monitoring disc upper end is covered in the control panel outside and is equipped with the glass cover, the sensor part of gas monitoring subassembly is worn out the glass cover and is monitored the gas in the underground piping.

Preferably, a drying box is arranged at the upper end of the monitoring disc in the glass cover, a plurality of drying holes are formed in the drying box, and a drying agent is arranged in the drying box.

Preferably, the gag lever post upper end is fixed through lock nut and monitoring dish, buoyancy dish week side correspondence has been seted up two and has been perforated the confession gag lever post lower extreme and pass, the reach of gag lever post is L, the distance that dead lever middle part corresponds the position apart from underground piping bottom is D, and L is less than or equal to D.

The utility model has the advantages of as follows:

1. according to the scheme, the buoyancy disc and the monitoring plate are separately limited at different heights through the first limiting sleeve and the second limiting sleeve, the monitoring plate is stably located at a higher position before the water level rises to the second limiting sleeve, gas monitoring work in an underground pipeline can be stably carried out, when the water level rises to the second limiting sleeve, the buoyancy disc rises along with the water level, the abdicating hole in the middle of the buoyancy disc enables the buoyancy disc to smoothly pass through the second limiting sleeve under the guiding effect of the limiting rod, the sensing block triggers the proximity switch, and therefore corresponding alarm is triggered, relevant personnel know that the water level rises to a set monitoring position, and if the water level continues to rise, the buoyancy disc drives the monitoring disc to continue to move upwards, so that water inlet damage of the gas monitoring assembly and the control panel is prevented;

2. the screwing threaded sleeve can adjust and change the fixed position of the second limiting sleeve by controlling the tightness degree between the fixed sleeve and the fixed rod, so that the position for triggering the water level alarm can be set as required, and the screwing threaded sleeve is more flexible and convenient;

3. monitoring dish and the buoyancy disc that slides on the dead lever in this scheme are discoid, and just distribute evenly about the dead lever to can make monitoring dish and buoyancy disc can rise along with the water level stability, avoid taking place the condition of the limited card shell in one side.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.

Wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic block diagram of the present invention;

FIG. 3 is a side view, cross-sectional, structural schematic of the present invention;

fig. 4 is a schematic view of the present invention in partial section;

fig. 5 is a schematic view of a local top view of the monitoring panel according to the present invention;

fig. 6 is a schematic view of a partial top view of the buoyancy disc according to the present invention.

Description of the reference symbols:

1. a fixing plate; 11. a fixing rod; 12. a first stop collar; 13. a second stop collar; 131. fixing a sleeve; 132. screwing the threaded sleeve; 2. a monitoring disc; 21. a limiting rod; 211. locking the nut; 22. a proximity switch; 3. a gas monitoring assembly; 31. a hydrogen sulfide gas sensor; 32. a carbon monoxide gas sensor; 33. a methane gas sensor; 34. an ammonia-nitrogen gas sensor; 4. a control panel; 41. a processing module; 42. a wireless communication module; 5. a buoyancy disc; 51. a hole for abdication; 52. an induction block; 53. perforating; 6. a foam board; 61. a yielding groove; 7. a glass cover; 71. drying the box; 711. drying the pores; 712. a desiccant.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Please refer to fig. 1 to 6, it is as the utility model discloses a city underground gas safety monitoring system of best embodiment, include two fixed plates 1 that are fixed in on the underground piping wall along vertical direction, a determining deviation has between fixed plate 1 and the underground piping bottom that are located the lower extreme, generally install and fix about +10cm at long-term monitoring water level mean value data through fixing bolt, be equipped with dead lever 11 between two fixed plates 1, dead lever 11 is the round bar in this embodiment, and both ends are connected with two fixed plates 1 after buckling, fixed plate 1 is close to the bottom and is close the position at top and is equipped with first stop collar 12 and second stop collar 13 respectively, second stop collar 13 upper end and in dead lever 11 outside slip cover be equipped with be discoid monitoring disc 2, be equipped with gaseous monitoring assembly 3 and the control panel 4 of being connected with gaseous monitoring assembly 3 electricity on monitoring disc 2, first stop collar 12 upper end and in dead lever 11 outside slip cover be equipped with monitoring disc 5, the center of monitoring disc 2 and buoyancy disc 5 all with dead lever 11 coaxial, the cylindric gag lever 21 that downwardly extending symmetry was equipped with buoyancy sensing switch is equipped with buoyancy sensing limiting disc 21 that the buoyancy sensing switch is close to the buoyancy sensing limiting disc 5 and the buoyancy sensing switch upper limit disc 5 is equipped with buoyancy sensing plate 5 when buoyancy sensing limiting disc 4 and the buoyancy sensing limiting disc 2 and the buoyancy sensing switch 2 is equipped with buoyancy sensing limiting disc 4 and the buoyancy sensing limiting disc 5.

Specifically, as shown in fig. 1, 2, and 5, the gas monitoring assembly 3 includes a H2S hydrogen sulfide gas sensor 31, a CO carbon monoxide gas sensor 32, a CH4 methane gas sensor 33, and an NH3-N ammonia-nitrogen gas sensor 34, each of which is provided with 3 sensors and is uniformly distributed around the monitoring panel 2, the control panel 4 includes a processing module 41 and a wireless communication module 42, the processing module 41 is used for receiving and processing gas data with the hydrogen sulfide gas sensor 31, the carbon monoxide gas sensor 32, the methane gas sensor 33, and the ammonia-nitrogen gas sensor 34, the wireless communication module 42 is used for connecting a remote device for data display and alarm, the processing module 41 is an MCU microprocessor, and the remote device is a mobile phone end or a computer end or a server end, so that the H2S hydrogen sulfide gas sensor 31, the CO carbon monoxide gas sensor 32, the CH4 methane gas sensor 33, and the NH3-N ammonia-nitrogen gas sensor 34 are used for timely monitoring toxic and harmful gases in the underground pipeline, and the remote device is connected with the wireless communication module 42 for data display and alarm, thereby improving safety.

Preferably, as shown in fig. 3 and 4, the second position limiting sleeve 13 sequentially comprises a fixed sleeve 131 and a screwed threaded sleeve 132 from top to bottom, the tightness degree of the fixed sleeve 131 and the fixed rod 11 is controlled by the screwed threaded sleeve 132 to adjust the position of the second position limiting sleeve 13, and an anti-slip sleeve (not shown in the figure) is sleeved on the outer wall of the screwed threaded sleeve 132, so that the fixed position of the second position limiting sleeve 13 can be adjusted and changed by controlling the tightness degree between the fixed sleeve 131 and the fixed rod 11, and therefore, the position for triggering the water level alarm can be set as required, and the water level alarm is more flexible and convenient.

Preferably, as shown in fig. 3 and 4, the foam plate 6 is fixed at the lower end of the monitoring disc 2, the foam plate 6 is provided with a yielding groove 61 corresponding to the proximity switch 22, the sensing block 52 is in a frustum shape with a small upper part and a large lower part, and the shape of the yielding groove 61 is adapted to that of the sensing block 52, so that the monitoring disc 2 can be further protected by the foam plate 6, and the monitoring disc 2 is prevented from entering water due to the fact that the buoyancy disc 5 is blocked when the water level rises; meanwhile, the yielding groove 61 can realize yielding for the sensing block 52, and it is fully ensured that the proximity switch 22 can stably monitor and alarm the water level monitoring.

Preferably, as shown in fig. 3 and 4, the upper end of the monitoring disc 2 is covered with a glass cover 7 on the outer side of the control panel 4, and the sensor part of the gas monitoring assembly 3 penetrates out of the glass cover 7 to monitor gas in the underground pipeline, so that the waterproof capability of the monitoring disc 2 is further improved.

Further, monitoring disc 2 upper end is equipped with dry box 71 in glass cover 7, is equipped with a plurality of drying holes 711 on the dry box 71, and dry box 71 embeds there is drier 712, and drier 712 is the carbon granule in this embodiment to, through the carbon granule in the dry box 71, can further absorb the aqueous vapor that persists in the glass cover 7, thereby guarantee that gas monitoring subassembly 3 is in work under dry, stable environment all the time, the stability of lifting mechanism work.

Preferably, as shown in fig. 6, the upper end of the limiting rod 21 is fixed with the monitoring disc 2 through the locking nut 211, two through holes 53 are correspondingly formed in the circumferential sides of the buoyancy disc 5 to allow the lower end of the limiting rod 21 to pass through, the extension distance of the limiting rod 21 is L, the distance from the middle part of the fixing rod 11 to the corresponding position of the bottom of the underground pipeline is D, and L is less than or equal to D, so that the extension distance of the limiting rod 21 can be limited, and the limiting rod can be moved and adjusted at a proper height.

The utility model discloses the working process is as follows:

according to the scheme, the buoyancy disc 5 and the monitoring plate are separated and limited at different heights through the first limiting sleeve 12 and the second limiting sleeve 13, the monitoring plate is stably located at a higher position before the water level rises to the second limiting sleeve 13, gas monitoring work in an underground pipeline can be stably carried out, when the water level rises to the second limiting sleeve 13, the buoyancy disc 5 rises along with the water level, the abdicating hole 51 in the middle of the buoyancy disc 5 enables the buoyancy disc 5 to smoothly pass through the second limiting sleeve 13 under the guiding effect of the limiting rod 21, the induction block 52 triggers the proximity switch 22, corresponding alarm is triggered, relevant personnel know that the water level rises to a set monitoring position, and if the water level continues to rise, the buoyancy disc 5 drives the monitoring disc 2 to continue to move upwards, so that the gas monitoring assembly 3 and the control panel 4 are prevented from being damaged by water entering; simultaneously, monitoring dish 2 and the buoyancy dish 5 that slide on the dead lever 11 in this scheme are discoid, and just evenly distribute about dead lever 11 to can make monitoring dish 2 and buoyancy dish 5 can rise along with the water level is stable, avoid taking place the condition of the limited card shell of one side.

To sum up, the utility model discloses can realize monitoring dish 2 and buoyancy disc 5 stable rising, avoid the card shell, realize the steady job of gaseous monitoring subassembly 3, prolong the holistic life of equipment.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims

1. The utility model provides a gaseous safety monitoring system in city underground, includes two fixed plates (1) on being fixed in the underground piping wall along vertical direction, two be equipped with dead lever (11) between fixed plate (1), its characterized in that, fixed plate (1) bottom and the position that is close the top are equipped with first stop collar (12) and second stop collar (13) respectively, second stop collar (13) upper end and in dead lever (11) outside slip cover be equipped with monitoring disc (2), be equipped with gaseous monitoring subassembly (3) on monitoring disc (2) and with control panel (4) that gaseous monitoring subassembly (3) electricity is connected, just be equipped with buoyancy disc (5) in dead lever (11) outside slip cover in first stop collar (12) upper end, monitoring disc (2) week side symmetry is equipped with downwardly extending's gag lever post (21), two gag lever post (21) pass buoyancy disc (5) and slide rather than and be connected, buoyancy disc (5) middle part runs through be equipped with the hole (51) of stepping down that suits with second stop collar (13), buoyancy disc (2) and proximity switch panel (4) electricity is connected with proximity switch (22), buoyancy disc (22) below is equipped with the response piece (52) that corresponds.

2. The urban underground gas safety monitoring system according to claim 1, wherein the gas monitoring assembly (3) comprises hydrogen sulfide gas sensors (31), carbon monoxide gas sensors (32), methane gas sensors (33) and ammonia-nitrogen gas sensors (34), each sensor is provided with 3 sensors and evenly distributed around the monitoring disc (2), the control panel (4) comprises a processing module (41) and a wireless communication module (42), the processing module (41) and the hydrogen sulfide gas sensors (31), the carbon monoxide gas sensors (32), the methane gas sensors (33) and the ammonia-nitrogen gas sensors (34) are used for receiving and processing gas data, and the wireless communication module (42) is used for connecting remote equipment for data display and alarm.

3. An urban underground gas safety monitoring system according to claim 2, wherein the processing module (41) is an MCU microprocessor.

4. The urban underground gas safety monitoring system according to claim 1, wherein the second position-limiting sleeve (13) comprises a fixing sleeve (131) and a screwing threaded sleeve (132) from top to bottom, and the screwing threaded sleeve (132) is used for controlling the tightness degree of the fixing sleeve (131) and the fixing rod (11) so as to adjust the position of the second position-limiting sleeve (13).

5. The urban underground gas safety monitoring system according to claim 4, wherein an anti-slip sleeve is sleeved on the outer wall of the screwing threaded sleeve (132).

6. The urban underground gas safety monitoring system according to claim 1, wherein a foam board (6) is fixed at the lower end of the monitoring disc (2), and a yielding groove (61) corresponding to the proximity switch (22) is formed in the foam board (6).

7. The urban underground gas safety monitoring system according to claim 6, wherein the sensing block (52) is in a frustum shape with a small top and a big bottom, and the shape of the abdicating groove (61) is adapted to the sensing block (52).

8. The urban underground gas safety monitoring system according to claim 1, wherein a glass cover (7) is covered on the outer side of the control panel (4) at the upper end of the monitoring disc (2), and a sensor part of the gas monitoring assembly (3) penetrates out of the glass cover (7) to monitor gas in an underground pipeline.

9. The urban underground gas safety monitoring system according to claim 8, wherein a drying box (71) is arranged in a glass cover (7) at the upper end of the monitoring disc (2), a plurality of drying holes (711) are formed in the drying box (71), and a drying agent (712) is arranged in the drying box (71).

10. The urban underground gas safety monitoring system according to claim 1, wherein the upper end of the limiting rod (21) is fixed with the monitoring disc (2) through a lock nut (211), two through holes (53) are correspondingly formed in the periphery of the buoyancy disc (5) for the lower end of the limiting rod (21) to pass through, the extension distance of the limiting rod (21) is L, the distance from the middle part of the fixing rod (11) to the corresponding position of the bottom of the underground pipeline is D, and L is not more than D.