CN213211259U

CN213211259U - Active cable tunnel environmental safety monitoring device

Info

Publication number: CN213211259U
Application number: CN202022477878.8U
Authority: CN
Inventors: 计光; 王书春; 严威; 王晓岩; 庞丹; 郭建凯; 邢洪泉; 张晗芬
Original assignee: Wuhan Yunjian Technology Co Ltd; Changchun Power Supply Co Of State Grid Jilinsheng Electric Power Supply Co
Current assignee: Wuhan Yunjian Technology Co Ltd; Changchun Power Supply Co Of State Grid Jilinsheng Electric Power Supply Co
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-05-14
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to an active cable tunnel environment safety monitoring device, which comprises a shell; a detection component for detecting smoke and toxic and harmful gases is arranged on the gas input end of the shell; a switch assembly positioned between the shell and the detection assembly is arranged on the gas input end of the shell; an air outlet assembly is arranged on the air output end of the shell; a power supply assembly is arranged in the shell; the power supply assembly is electrically connected with the detection assembly, the switch assembly and the air outlet assembly respectively; this scheme of adoption can improve active cable tunnel environmental safety monitoring device's detection precision and positioning accuracy in the testing process, dispels the heat to the inside components and parts of casing, can in time report to the police when there is the potential safety hazard in the cable tunnel environment, avoids accidents such as conflagration to produce.

Description

Active cable tunnel environmental safety monitoring device

Technical Field

The utility model relates to a gaseous monitoring technology field, more specifically say, relate to an active cable tunnel environmental safety monitoring devices.

Background

In the use process of a cable in a cable tunnel, mechanical loss, insulation moisture, insulation aging deterioration, overvoltage, cable overheating fault and the like are easily caused by factors such as long-term overload operation, poor process, long-term water immersion, chemical corrosion and the like, so that potential safety hazards exist in the cable, and when detection is not timely, serious accidents such as fire disasters are easily caused. The cable tunnel is in and seals for a long time, and unmanned on duty, long-term, tired, and tunnel inside has produced many poisonous and harmful gas, and the cable fires the back simultaneously, also can produce a large amount of dense smoke and toxic gas, and these poisonous and harmful gas both corroded destruction electrical equipment, and is very harmful to the human body again, threatens people's life safety. Therefore, the monitoring device is needed to monitor in real time, so that when the potential safety hazard occurs, an alarm can be given in time, workers are informed to handle in time, and accidents such as fire disasters are avoided.

However, the existing monitoring device has the conditions of residual gas in a non-sampling pipeline, disordered internal gas of the monitoring device, high-temperature aging of internal components after long-term use and the like, so that the monitoring device cannot timely position a smoke or toxic and harmful gas generation part in the monitoring process, the positioning is easily disordered, a fault point cannot be timely detected, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, an active cable tunnel environmental safety monitoring device is provided.

The utility model provides a technical scheme that its technical problem adopted is:

the active cable tunnel environmental safety monitoring device comprises a shell; a detection assembly for smoke detection and toxic and harmful gas detection is arranged on the gas input end of the shell; a switch assembly positioned between the shell and the detection assembly is arranged on the gas input end of the shell; an air outlet assembly is arranged on the air output end of the shell; a power supply assembly is arranged in the shell; the power supply assembly is electrically connected with the detection assembly, the switch assembly and the air outlet assembly respectively.

Further, the air outlet assembly comprises a first fan arranged at the air output end of the shell and an air guide arranged in the shell; the gas input end of the air guide is communicated with the gas output end of the detection assembly; and the air output end of the air guide piece is connected with the air input end of the first fan.

Furthermore, the air guide piece comprises a partition board and baffle plates arranged on two sides of the partition board; the baffle and the clapboard surround to form a ventilation channel.

Further, the switch assembly comprises a housing, a turntable and a motor; the housing is disposed at the gas input end of the housing; a first bracket is arranged in the outer cover; the motor is arranged on the first support, and a motor shaft of the motor penetrates through the first support and is connected with the turntable; the turntable is provided with a notch.

Further, the power supply assembly includes a circuit board disposed in the housing; the detection assembly comprises a toxic and harmful gas sensing element and a smoke sensing element; the toxic and harmful gas sensing element and the smoke sensing element are arranged on the circuit board and are respectively positioned in the ventilation channel; the circuit board is electrically connected with the first fan, the motor, the toxic and harmful gas sensing element and the smoke sensing element respectively.

Further, the detection assembly further comprises a second fan; a second bracket is arranged in the outer cover; the second fan is arranged on the second bracket; the circuit board is electrically connected with the second fan.

Furthermore, a limiting block is arranged on the outer side wall of the outer cover; a limiting groove corresponding to the position of the limiting block is formed in the shell; the limiting block is arranged in the limiting groove.

Further, the power supply assembly further comprises a controller and an alarm module; the alarm module is arranged on the circuit board; the controller is respectively electrically connected with the circuit board and the alarm module.

Further, the power supply assembly further comprises a communication module and a data module arranged on the circuit board; the communication module is electrically connected with the controller; the communication module is in communication connection with the data module.

The beneficial effects of the utility model reside in that: through the arrangement of the air outlet assembly, the air outlet assembly can be matched with the air extraction of the detection assembly, so that the gas detected last time can be quickly discharged to the outside of the shell, and the influence of the gas remained in the shell on the detection process is avoided; meanwhile, the air outlet assembly can also dissipate heat of components inside the shell, and when the detection assembly and the air outlet assembly blow air simultaneously, heat of the components inside the shell can be dissipated more quickly; through setting up the switch module, the corresponding pipeline convulsions of selection that can be selective, other pipelines are sheltered from, avoid remaining in the pipeline gas also to be detected in being inhaled the casing by detection device together, improve active cable tunnel environmental safety monitoring device's detection precision and positioning accuracy, can in time report to the police when the potential safety hazard appears in the cable tunnel environment, avoid accidents such as conflagration to produce.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is a schematic structural diagram of an active cable tunnel environmental safety monitoring device according to an embodiment of the present invention;

fig. 2 is an explosion diagram of an active cable tunnel environmental safety monitoring device according to an embodiment of the present invention;

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

fig. 4 is a schematic structural diagram of a switch assembly according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of an internal structure of a switch assembly according to an embodiment of the present invention.

In the figure, 1, a housing; 11. a limiting groove; 21. a toxic and harmful gas sensing element; 22. a smoke sensing element; 23. a second fan; 31. a housing; 32. a turntable; 33. a motor; 41. a first fan; 42. an air guide member; 51. a circuit board; 52. a controller; 53. an alarm module; 54. a communication module; 311. a first bracket; 312. a limiting block; 313. a second bracket; 321. a notch; 421. a partition plate; 422. a baffle plate; 423. a ventilation channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides an active cable tunnel environmental safety monitoring device, as shown in fig. 1 to 5, which comprises a shell 1; a gas input end of the shell 1 is provided with a detection component for detecting smoke and toxic and harmful gases; a switch assembly positioned between the shell 1 and the detection assembly is arranged on the gas input end of the shell 1; an air outlet assembly is arranged on the air output end of the shell 1; a power supply assembly is arranged in the shell 1; the power supply assembly is electrically connected with the detection assembly, the switch assembly and the air outlet assembly respectively.

When using, power supply module control switch subassembly rotates to corresponding pipeline mouth, makes the gas of this pipeline mouth detect in can being detected the subassembly suction casing 1, and other pipeline mouths are shielded by switch module. After a pipeline mouth detects, the switch module rotates, at the rotation in-process, the air-out subassembly can be simultaneously with remaining the gas in casing 1 from the gas output end of casing 1 discharge to the casing 1 outside, the switch module rotates the back that finishes, the gas of another pipeline mouth can be detected in detecting subassembly suction casing 1, when detecting gas for smog or poisonous and harmful gas, detection component feeds back to power supply module, power supply module in time reports to the police and notifies the staff to handle.

This scheme of adoption can improve active cable tunnel environmental safety monitoring device's detection precision and positioning accuracy in the testing process, dispels the heat to the components and parts of casing 1 inside, can in time report to the police when there is the potential safety hazard in the tunnel, avoids accidents such as conflagration to produce.

In a further embodiment, the air outlet assembly comprises a first fan 41 disposed at the air output end of the housing 1, and an air guide 42 disposed in the housing 1; the gas input end of the air guide 42 is communicated with the gas output end of the detection assembly; the air output end of the air guide 42 is connected to the air input end of the first fan 41. The air guide piece 42 guides the gas pumped into the shell 1 by the detection component, so that the gas is discharged to the outside of the shell 1 through the air outlet component after being detected, the detection component is prevented from being rapidly dispersed by the air outlet component when the gas to be detected is pumped into the shell 1, the detection of the detection component by the gas to be detected is ensured, and the detection precision and the positioning precision of the active cable tunnel environment safety monitoring device are improved.

In a further embodiment, the air guide 42 includes a partition 421 and baffles 422 disposed on both sides of the partition 421; the baffle 422 and the partition 421 enclose a ventilation channel 423.

The power supply assembly includes a circuit board 51 disposed in the housing 1; the detection assembly comprises a toxic and harmful gas sensing element 21 and a smoke sensing element 22; the toxic and harmful gas sensing element 21 and the smoke sensing element 22 are both arranged on the circuit board 51 and are respectively positioned in the ventilation channel 423; the circuit board 51 is electrically connected to the first fan 41, the motor 33, the toxic and harmful gas sensor element 21, and the smoke sensor element 22, respectively.

The switch assembly comprises a housing 31, a turntable 32 and a motor 33; the outer cover 31 is provided at the gas input end of the housing 1; a first bracket 311 is arranged in the outer cover 31; the motor 33 is arranged on the first bracket 311, and a motor shaft of the motor 33 passes through the first bracket 311 and is connected with the turntable 32; the turntable 32 is provided with a notch 321.

The detection assembly further comprises a second fan 23; the outer cover 31 is provided with a second bracket 313; the second fan 23 is arranged on the second bracket 313; the circuit board 51 is electrically connected to the second fan 23.

In the above embodiment, the partition 421 is used to partition the toxic and harmful gas sensor element 21 and the smoke sensor element 22 which are disposed on the circuit board 51, so that the gas to be detected drawn in by the second fan 23 can pass through the toxic and harmful gas sensor element 21 and the smoke sensor element 22 respectively for detection, and after detection, the gas is exhausted outside the housing 1 by the first fan 41 through the ventilation channel 423.

In the above embodiment, the motor 33 drives the turntable 32 to rotate clockwise or counterclockwise, and the opening angle of the notches 321 on the turntable 32 is set according to the annular array at the inlet and outlet ends of the housing 1 according to the number of pipes. If the number of the pipes is 12, the opening angle of the notch 321 is 30 °; if the number of pipes is 10, the opening angle of the notch 321 is 36 °. The motor 33 is a servo motor and can control the turntable 32 to rotate by a set angle.

In the above embodiment, the air drawn into the casing 1 by the second fan 23 enters the ventilation channel 423 by the blowing of the second fan 23 and is blown out of the casing 1 by the first fan 41. When heat dissipation is performed, the first fan 41 itself can blow out heat generated inside the casing 1 to the outside of the casing 1, and the second fan 23 can also blow out heat generated inside the casing 1 to the outside of the casing 1, so that the heat in the casing 1 can be quickly dissipated through the combined action of the first fan 41 and the second fan 23.

In the above embodiment, the toxic and harmful gas components are mainly carbon monoxide, sulfides, and the like.

In a further embodiment, a stop block 312 is disposed on the outer side wall of the outer cover 31; a limiting groove 11 corresponding to the position of the limiting block 312 is arranged in the shell 1; the stopper 312 is disposed in the stopper groove 11. The position of the outer cover 31 is fixed, and the outer cover 31 is prevented from deviating due to vibration in the using process.

In a further embodiment, the power supply assembly further comprises a controller 52 and an alarm module 53; the alarm module 53 is arranged on the circuit board 51; the controller 52 is electrically connected to the circuit board 51 and the alarm module 53, respectively. The controller 52 controls the operation of the active cable tunnel environmental safety monitoring device. The initial position of the turntable 32 is set through the controller 52, corresponding numbers are set for the pipelines in the annular array, the numbers are increased in a clockwise or counterclockwise manner, and the numbers of the corresponding pipelines can be tracked according to the rotation angle of the turntable 32 relative to the initial position, for example, 6 pipelines in the annular array are arranged on the gas input end of the shell 1, the interval angle between the pipelines is 30 degrees, and the corresponding pipelines are numbered 1, 2, 3, 4, 5 and 6 according to the angle marks, when the turntable 32 rotates 30 degrees relative to the initial position, the corresponding pipeline is the No. 1 pipeline, and when the turntable 32 rotates 60 degrees relative to the initial position, the corresponding pipeline is the No. 2 pipeline, and so on, and the position with potential safety hazards can be quickly positioned when the existence of smoke or toxic and harmful gas is detected.

In the above embodiment, the alarm mode of the alarm module 53 includes that the display screen directly displays an alarm information mode alarm, the sound-light alarm including the flashing of the LED lamp and the buzzer, and the alarm sent to the user terminal through the communication unit of the internet of things.

In a further embodiment, the power supply assembly further comprises a communication module 54 and a data module (not shown) arranged on the circuit board 51; the communication module 54 is electrically connected to the controller 52; the communication module 54 is communicatively coupled to the data module. The communication module 54 preferably adopts a narrowband internet of things NB-IoT mode compatible with the LTE cellular network standard, and the alternative internet of things modes are wired ethernet communication, bluetooth, 4G, ZigBee, 802.15.4, Weightless-N, Wi-Fi, and LTE Cat 0/1. The data module is mainly used for processing and displaying fire monitoring data, including displaying and inquiring data information such as a fault cable position, historical system state data, historical alarm data and historical operation record data, and is also used for carrying out statistical processing on collected big data, analyzing and predicting the fire condition in a monitored place and sending fire early warning and alarm.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides an active cable tunnel environmental safety monitoring devices which characterized in that: comprises a shell; a detection assembly for smoke detection and toxic and harmful gas detection is arranged on the gas input end of the shell; a switch assembly positioned between the shell and the detection assembly is arranged on the gas input end of the shell; an air outlet assembly is arranged on the air output end of the shell; a power supply assembly is arranged in the shell; the power supply assembly is electrically connected with the detection assembly, the switch assembly and the air outlet assembly respectively.

2. The active cable tunnel environmental safety monitoring device of claim 1, wherein the air outlet assembly includes a first fan disposed at an air output end of the housing, and an air guide disposed in the housing; the gas input end of the air guide is communicated with the gas output end of the detection assembly; and the air output end of the air guide piece is connected with the air input end of the first fan.

3. The active cable tunnel environmental safety monitoring device of claim 2, wherein the air guide comprises a partition and baffles disposed on both sides of the partition; the baffle and the clapboard surround to form a ventilation channel.

4. The active cable tunnel environmental safety monitoring device of claim 3, wherein the switch assembly includes a housing, a turntable, and a motor; the housing is disposed at the gas input end of the housing; a first bracket is arranged in the outer cover; the motor is arranged on the first support, and a motor shaft of the motor penetrates through the first support and is connected with the turntable; the turntable is provided with a notch.

5. The active cable tunnel environmental safety monitoring device of claim 4, wherein the power supply assembly includes a circuit board disposed in the housing; the detection assembly comprises a toxic and harmful gas sensing element and a smoke sensing element; the toxic and harmful gas sensing element and the smoke sensing element are arranged on the circuit board and are respectively positioned in the ventilation channel; the circuit board is electrically connected with the first fan, the motor, the toxic and harmful gas sensing element and the smoke sensing element respectively.

6. The active cable tunnel environmental safety monitoring device of claim 5, wherein the detection assembly further comprises a second fan; a second bracket is arranged in the outer cover; the second fan is arranged on the second bracket; the circuit board is electrically connected with the second fan.

7. The active cable tunnel environmental safety monitoring device of claim 4, wherein a limiting block is arranged on an outer side wall of the outer cover; a limiting groove corresponding to the position of the limiting block is formed in the shell; the limiting block is arranged in the limiting groove.

8. The active cable tunnel environmental safety monitoring device of claim 5, wherein the power supply assembly further comprises a controller and an alarm module; the alarm module is arranged on the circuit board; the controller is respectively electrically connected with the circuit board and the alarm module.

9. The active cable tunnel environmental security monitoring device of claim 8, wherein the power module further comprises a communication module and a data module disposed on the circuit board; the communication module is electrically connected with the controller; the communication module is in communication connection with the data module.