CN220455693U - Safety monitoring device in cable tunnel - Google Patents
Safety monitoring device in cable tunnel Download PDFInfo
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- CN220455693U CN220455693U CN202321319823.1U CN202321319823U CN220455693U CN 220455693 U CN220455693 U CN 220455693U CN 202321319823 U CN202321319823 U CN 202321319823U CN 220455693 U CN220455693 U CN 220455693U
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- cable tunnel
- liquid level
- module
- cable
- plc controller
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 231100000614 poison Toxicity 0.000 claims description 4
- 230000007096 poisonous effect Effects 0.000 claims description 4
- 239000002341 toxic gas Substances 0.000 abstract description 26
- 208000034699 Vitreous floaters Diseases 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 7
- 235000014676 Phragmites communis Nutrition 0.000 description 6
- 238000007689 inspection Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a safety monitoring device in a cable tunnel, which comprises a PLC (programmable logic controller), a liquid level indicator, a toxic gas sensor, a video monitoring module, a wireless transceiver module, a Bluetooth module and an indicator lamp which are arranged in the cable tunnel, wherein the PLC, the video monitoring module, the wireless transceiver module, the Bluetooth module and the indicator lamp are all arranged on a hanger at the top of the cable tunnel; the PLC controller adjusts the color of the indicator lamp according to the water level information detected by the liquid level indicator, and the PLC controller can also adjust the color of the indicator lamp after receiving the alarm of the toxic gas sensor; meanwhile, the PLC controller sends the collected data to handheld terminal equipment of the patrol personnel through the Bluetooth module, and the data is transmitted to the monitoring center through the wireless transceiver module.
Description
Technical Field
The utility model relates to the technical field of cable tunnel monitoring, in particular to a safety monitoring device in a cable tunnel.
Background
In recent years, huge funds are invested in China to reform urban and rural power grids, in order to reduce potential safety hazards caused by overhead lines, a cable entering the ground has become a main cable laying mode, in buried cable laying engineering, a cable tunnel is a corridor or tunnel structure for accommodating a large number of cables laid on a cable support, the cable tunnel is used for carrying power transmission cable operation, inspection and maintenance work, a good operation environment is provided for the power transmission cable, and inspection and maintenance of operators are facilitated.
However, the cable tunnel is arranged underground and is usually in a closed state, the cables and the cable tunnel are inspected and maintained in a regular maintenance mode, the timeliness is poor, potential safety hazards exist, particularly, water accumulation possibly occurs in the cable tunnel due to long-term leakage or short-time heavy rainfall, or toxic gases such as methane and carbon monoxide are generated due to lack of ventilation, which threatens the life safety of construction and inspection personnel, however, the existing cable tunnel lacks corresponding monitoring equipment, and the problems cannot be avoided.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a safety monitoring device in a cable tunnel.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a safety monitoring device in cable tunnel, includes PLC controller, liquid level indicator, toxic gas sensor, video monitoring module, wireless transceiver module, bluetooth module and pilot lamp that set up in the cable tunnel, the cable tunnel top has hung the gallows, PLC controller, video monitoring module wireless transceiver module bluetooth module and pilot lamp all set up on the gallows, toxic gas sensor sets up on the wall in cable tunnel, liquid level indicator sets up in cable tunnel bottom, PLC controller passes through the cable with liquid level indicator toxic gas sensor, video monitoring module, wireless transceiver module bluetooth module with the pilot lamp is connected; the liquid level indicator comprises a support and a plurality of liquid level switches, wherein the support comprises a plurality of support frames, the support frames which are adjacent up and down are connected with each other, and each support frame is provided with the liquid level switch.
According to the utility model, the water accumulation level is monitored in real time through the liquid level indicator, the PLC adjusts the color of the indicator lamp according to the actual water level information, and the water accumulation condition in the cable tunnel of the inspector is informed, so that the inspector is timely reminded of avoiding a deep water area; meanwhile, the toxic gas sensor sends an alarm to the PLC when detecting that the toxic gas reaches dangerous concentration, and the PLC can send an alarm to patrol personnel by adjusting the color of the indicator lamp after receiving the alarm of the toxic gas sensor;
the utility model collects the data of the video monitoring module, the toxic gas sensor and the liquid level indicator through the PLC, and sends the data to the handheld terminal equipment of the patrol personnel positioned nearby through the Bluetooth module, and meanwhile, the PLC transmits the data to the nearest wireless transceiver module through the wireless transceiver module, and sequentially relays until the data is sent to a monitoring center outside the cable tunnel;
according to the utility model, the measuring range of the liquid level indicator is adjusted by increasing or decreasing the number of the liquid level switches on the support, so that the cable tunnels with different structures can be flexibly adapted.
Preferably, the cable tunnel is communicated with a water collecting well through a drainage pipeline, a submersible pump is arranged in the water collecting well, and the PLC is connected with the submersible pump through a cable.
The PLC can control the start and stop of the submersible pump according to the actual water level information, control the low-load operation of the submersible pump when the water level is low, control the high-load operation of the submersible pump when the water level is high, and implement a gradient differentiated drainage plan so as to optimize the operation efficiency of the submersible pump and avoid the idle running of the submersible pump.
Preferably, the hanger is arranged along the length direction of the cable tunnel, the indicator light and the video monitoring module are arranged at the bottom of the hanger, the indicator light and the video monitoring module are arranged at intervals along the length direction of the hanger, and the PLC, the wireless transceiver module and the Bluetooth module are arranged on the hanger.
Preferably, the liquid level switch comprises a floater and a cylinder body, wherein the cylinder body comprises a cover plate, a bottom plate and a guide rod, the cover plate is connected with the bottom plate through the guide rod, the floater is sleeved on the guide rod, and the floater is in sliding connection with the guide rod.
The liquid level switch adopts a magnetic reed switch, the magnetic reed switch is arranged at the top of the cylinder, when the water level of accumulated water in the cable tunnel rises, the float is driven to float upwards, and when the float is close to the top of the cylinder, the magnetic reed switch is triggered, so that the liquid level switch sends a signal to the PLC controller.
Preferably, the cylinder further comprises a cylindrical filter screen, the cylindrical filter screen is located between the cover plate and the bottom plate, and the cylindrical filter screen is arranged around the guide rod and the floater.
The cylindrical filter screen is convenient for ponding entering on the one hand the liquid level switch, on the other hand prevents impurity from drifting into the liquid level switch catches the float.
Preferably, the support frame includes a plurality of supporting legs and fixed plate, the liquid level switch sets up the middle part of fixed plate, the supporting leg sets up the fixed plate bottom, the supporting leg includes mobile jib and auxiliary rod, the mobile jib with the fixed plate is connected, auxiliary rod cover is established on the mobile jib, the mobile jib with auxiliary rod passes through threaded connection.
The length of the support frame can be adjusted by rotating the auxiliary rod, so that the distance between the adjacent liquid level switches is adjustable. Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the water accumulation level is monitored in real time through the liquid level indicator, the PLC adjusts the color of the indicator lamp according to the actual water level information, and the water accumulation condition in the cable tunnel of the inspector is informed, so that the inspector is timely reminded of avoiding the deepwater area; meanwhile, the toxic gas sensor sends an alarm to the PLC when detecting that the toxic gas reaches dangerous concentration, and the PLC can send an alarm to patrol personnel by adjusting the color of the indicator lamp after receiving the alarm of the toxic gas sensor.
(2) The utility model collects the data of the video monitoring module, the poisonous gas sensor and the liquid level indicator through the PLC, and sends the data to the handheld terminal equipment of the patrol personnel positioned nearby through the Bluetooth module, and meanwhile, the PLC transmits the data to the nearest wireless transceiver module through the wireless transceiver module, and relays the data in sequence until the data is sent to the monitoring center outside the cable tunnel.
Drawings
FIG. 1 is a schematic diagram of a signal transmission path of a PLC controller according to the present utility model;
FIG. 2 is a schematic illustration of the utility model as applied within a cable tunnel;
FIG. 3 is a schematic view of the liquid level indicator according to the present utility model;
FIG. 4 is a schematic diagram of the liquid level switch according to the present utility model;
FIG. 5 is a front view of the structure of the support frame of the present utility model;
FIG. 6 is a top view of a support frame according to the present utility model;
in the figure: 1. a PLC controller; 2. a liquid level indicator; 3. an indicator light; 4. a hanging bracket; 5. a support frame; 6. a fixing plate; 601. a socket; 602. a wire harness hole; 603. a through hole; 604. sinking grooves; 7. a liquid level switch; 701. a float; 702. a guide rod; 703. a cylindrical filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 6, the specific scheme of the embodiment is as follows: the cable tunnel is arranged in a segmented mode according to the overall length, each section of cable tunnel is provided with a water collecting well, the cable tunnel is communicated with the water collecting well through a drainage pipeline, the lowest position of the water collecting well is lower than the lowest position of the cable tunnel, accumulated water in the cable tunnel is convenient to flow into the water collecting well, a submersible pump is arranged in the water collecting well, and each section of cable tunnel is provided with a safety monitoring device in the cable tunnel.
The utility model provides a safety monitoring device in cable tunnel, including setting up PLC controller 1 in the cable tunnel, liquid level indicator 2, toxic gas sensor, video monitoring module, wireless transceiver module, bluetooth module and pilot lamp 3, cable tunnel top has hung gallows 4, PLC controller 1, video monitoring module, wireless transceiver module, bluetooth module and pilot lamp 3 all set up on gallows 4, toxic gas sensor sets up on cable tunnel's wall, liquid level indicator 2 sets up in cable tunnel bottom, PLC controller 1 is connected through cable and liquid level indicator 2, toxic gas sensor, video monitoring module, wireless transceiver module, bluetooth module and pilot lamp 3.
According to the utility model, the water accumulation level is monitored in real time through the liquid level indicator 2, the PLC controller 1 adjusts the color of the indicator lamp 3 according to the actual water level information, so as to inform the inspector of the water accumulation condition in the cable tunnel and prompt the inspector to avoid a deep water area in time; meanwhile, the toxic gas sensor sends an alarm to the PLC controller 1 when detecting that the toxic gas reaches the dangerous concentration, and after the PLC controller 1 receives the alarm of the toxic gas sensor, the alarm can be sent to the patrol personnel by adjusting the color of the indicator lamp 3.
The utility model collects the data of the video monitoring module, the toxic gas sensor and the liquid level indicator 2 through the PLC controller 1, and sends the data to the handheld terminal equipment of the patrol personnel positioned nearby through the Bluetooth module, and meanwhile, the PLC controller 1 transmits the data to the nearest wireless transceiver module through the wireless transceiver module, and relays the data in sequence until the data is sent to the monitoring center outside the cable tunnel.
The toxic gas sensor adopts an MQ-9 toxic gas sensor, and the MQ-9 toxic gas sensor is a carbon monoxide/combustible gas sensor detection alarm module and can monitor a plurality of toxic gases such as carbon monoxide, methane, propane and the like; the video monitoring module at least comprises a camera; the wireless transceiver module adopts a DTD122 FH|bidirectional mixed signal wireless transmitter, a signal transmitted by the wireless transceiver module can pass through an obstacle and bypass a barrier, and the wireless signal transmission distance is 3-10 km; the Bluetooth module adopts an HC-05 Bluetooth serial port communication module.
The gallows 4 sets up along cable tunnel's length direction, and pilot lamp 3 and video monitoring module set up in gallows 4 bottoms, and pilot lamp 3 and video monitoring module all set up along gallows 4's length direction interval, and PLC controller 1, wireless transceiver module and bluetooth module all settle on gallows 4.
The liquid level indicator 2 sets up the lowest department at place cable tunnel segmentation, and liquid level indicator 2 is fixed on cable tunnel's floor, and liquid level indicator 2 includes support and a plurality of liquid level switch 7, and liquid level switch 7 sets up on the support, and liquid level switch 7 sets up along the direction of height interval of support, and liquid level switch 7 passes through the cable and is connected with PLC controller 1.
The support includes a plurality of support frames 5, and support frame 5 includes three supporting legs and a fixed plate 6, and the supporting legs setting is in fixed plate 6 bottom, and fixed plate 6 top is equipped with three socket 601, and supporting legs and socket 601 all encircle fixed plate 6 center setting, and the aperture of socket 601 is not less than the external diameter of supporting legs, and socket 601 is used for fixed supporting legs, and upper and lower adjacent support frame 5 passes through socket 601 interconnect.
The supporting leg comprises a main rod and an auxiliary rod, the main rod is connected with the fixed plate 6, the auxiliary rod is sleeved on the main rod, the main rod is connected with the auxiliary rod through threads, and the whole length of the supporting leg can be changed through rotating the auxiliary rod.
Each support frame 5 is provided with a liquid level switch 7, each liquid level switch 7 comprises a floater 701 and a cylinder, each cylinder comprises a cover plate, a bottom plate and a guide rod 702, the cover plates are connected with the bottom plates through the guide rods 702, the floaters 701 are sleeved on the guide rods 702, and the floaters 701 are in sliding connection with the guide rods 702;
a through hole 603 is reserved in the center of the fixed plate 6, a sinking groove 604 is formed in the fixed plate 6 around the through hole 603, a cylinder body penetrates through the through hole 603 and is arranged on the sinking groove 604 through a cover plate, and in order to prevent the cylinder body from floating, the cover plate is connected with the fixed plate 6 through bolts;
barrel still includes tubular filter screen 703 and connecting rod, and the connecting rod distributes in float 701 and guide arm 702 both sides, and the connecting rod is used for strengthening the joint strength of apron and bottom plate, and tubular filter screen 703 is located between apron and the bottom plate, and tubular filter screen 703 encircles guide arm 702 and float 701 setting, and tubular filter screen 703 is convenient for ponding get into liquid level switch 7 on the one hand, and on the other hand prevents impurity to float into liquid level switch 7 and block float 701.
The liquid level switch 7 adopts a magnetic reed switch, the magnetic reed switch is arranged on a cover plate at the top of the cylinder, when the water level of accumulated water in the cable tunnel rises, the float 701 is driven to float upwards, and because the float 701 is a permanent magnet, when the float 701 is close to the top of the cylinder, the magnetic reed switch is triggered, so that the liquid level switch 7 sends a signal to the PLC controller 1.
The fixing plate 6 is also provided with a wire harness hole 602, cables of the liquid level switch 7 uniformly penetrate through the wire harness hole 602, so that the wires of the cables are tidy, and the cables of the liquid level switch 7 upwards extend along the inner wall of a cable tunnel after penetrating through the wire harness hole 602 at the lowest part of the bracket until being connected with the PLC controller 1.
The specific control method of the PLC controller 1 is as follows:
(1) The liquid level indicator 2 of the embodiment adopts three liquid level switches 7, and the three liquid level switches 7 are named as a liquid level switch I, a liquid level switch II and a liquid level switch III from bottom to top in sequence; the height of each supporting frame 5 is 15cm by adjusting the lengths of the supporting legs of different supporting frames 5;
when the water level of the accumulated water is lower than 15cm, all the liquid level switches 7 are not connected, the PLC controller 1 controls the indicator lamp 3 to emit white light for illumination in the cable tunnel, and the condition that the accumulated water is not or less in the cable tunnel is indicated, and meanwhile, the submersible pump is in a closed state;
when the water level of the accumulated water is not lower than 15cm and not higher than 30cm, the liquid level switch is turned on, the indicator light 3 emits yellow light, a small amount of accumulated water appears in the section of cable tunnel, and the PLC controller 1 starts the submersible pump to enable the submersible pump to enter a low-load running state;
when the water level of the accumulated water is not lower than 30cm and not higher than 45cm, the liquid level switch II is turned on, the PLC controller 1 controls the indicator lamp 3 to emit orange light, so that obvious accumulated water appears in the section of cable tunnel, a patrol inspector in the cable tunnel is reminded to leave the section of cable tunnel, meanwhile, the PLC controller 1 controls the submersible pump to enter a high-load running state, and the submersible pump discharges water at full speed until the water level of the accumulated water is reduced to below 30 cm;
when the water level of the accumulated water is not lower than 45cm, the liquid level switch III is turned on, the PLC controller 1 controls the indicator lamp 3 to emit red light, severe accumulated water appears in the cable tunnel, the inspection personnel in the cable tunnel are reminded to be away from the cable tunnel, and the submersible pump is kept in a high-load running state.
(2) When the toxic gas sensor detects that the concentration of the toxic gas reaches a dangerous value, an alarm is sent to the PLC controller 1, the PLC controller 1 receives the alarm and then controls the indicator lamp 3 to emit red light, so that dangerous situations occur in the cable tunnel, and the patrol personnel in the cable tunnel are reminded to be far away from the cable tunnel.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a safety monitoring device in cable tunnel, its characterized in that includes PLC controller, liquid level indicator, poisonous gas sensor, video monitoring module, wireless transceiver module, bluetooth module and pilot lamp that set up in the cable tunnel, cable tunnel top hangs the gallows, PLC controller, video monitoring module, wireless transceiver module, bluetooth module and pilot lamp all set up on the gallows, poisonous gas sensor sets up on the wall in cable tunnel, liquid level indicator sets up in cable tunnel bottom, PLC controller passes through the cable with liquid level indicator, poisonous gas sensor, video monitoring module, wireless transceiver module, bluetooth module with the pilot lamp is connected; the liquid level indicator comprises a support and a plurality of liquid level switches, wherein the support comprises a plurality of support frames, the support frames which are adjacent up and down are connected with each other, and each support frame is provided with the liquid level switch.
2. The safety monitoring device in a cable tunnel according to claim 1, wherein the cable tunnel is communicated with a water collecting well through a drainage pipeline, a submersible pump is arranged in the water collecting well, and the PLC is connected with the submersible pump through a cable.
3. The device for monitoring safety in a cable tunnel according to claim 1, wherein the hanging frame is arranged along the length direction of the cable tunnel, the indicator light and the video monitoring module are arranged at the bottom of the hanging frame, the indicator light and the video monitoring module are arranged at intervals along the length direction of the hanging frame, and the PLC controller, the wireless transceiver module and the bluetooth module are arranged on the hanging frame.
4. The safety monitoring device in a cable tunnel according to claim 1, wherein the liquid level switch comprises a float and a cylinder, the cylinder comprises a cover plate, a bottom plate and a guide rod, the cover plate is connected with the bottom plate through the guide rod, the float is sleeved on the guide rod, and the float is in sliding connection with the guide rod.
5. The device of claim 4, wherein the barrel further comprises a cylindrical filter screen positioned between the cover plate and the base plate, the cylindrical filter screen being disposed around the guide rod and the float.
6. The safety monitoring device in a cable tunnel according to claim 1, wherein the supporting frame comprises a plurality of supporting legs and a fixing plate, the liquid level switch is arranged in the middle of the fixing plate, the supporting legs are arranged at the bottom of the fixing plate, the supporting legs comprise a main rod and an auxiliary rod, the main rod is connected with the fixing plate, the auxiliary rod is sleeved on the main rod, and the main rod is connected with the auxiliary rod through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321319823.1U CN220455693U (en) | 2023-05-29 | 2023-05-29 | Safety monitoring device in cable tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321319823.1U CN220455693U (en) | 2023-05-29 | 2023-05-29 | Safety monitoring device in cable tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220455693U true CN220455693U (en) | 2024-02-06 |
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ID=89729105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321319823.1U Active CN220455693U (en) | 2023-05-29 | 2023-05-29 | Safety monitoring device in cable tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220455693U (en) |
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2023
- 2023-05-29 CN CN202321319823.1U patent/CN220455693U/en active Active
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