CN115601963B - Construction method for active intelligent induction spike linkage monitoring control system in ultra-long tunnel - Google Patents
Construction method for active intelligent induction spike linkage monitoring control system in ultra-long tunnel Download PDFInfo
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- CN115601963B CN115601963B CN202211193795.3A CN202211193795A CN115601963B CN 115601963 B CN115601963 B CN 115601963B CN 202211193795 A CN202211193795 A CN 202211193795A CN 115601963 B CN115601963 B CN 115601963B
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- 230000006698 induction Effects 0.000 title claims abstract description 82
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 238000012806 monitoring device Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000003321 amplification Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 claims description 5
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 4
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- 238000011897 real-time detection Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 206010039203 Road traffic accident Diseases 0.000 description 5
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- 230000002159 abnormal effect Effects 0.000 description 3
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- 238000007906 compression Methods 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005286 illumination Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
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Abstract
The invention discloses a construction method for an active intelligent induction spike linkage monitoring control system in an ultra-long tunnel, which is characterized in that a plurality of active intelligent induction spikes are arranged at each lane marking in the tunnel, a power line and a feeder line arranged in the active intelligent induction spikes are respectively connected with a PLC (programmable logic controller) area control cabinet and a transformer, and meanwhile, the feeder line of the active intelligent induction spikes positioned at a tunnel entrance and exit section is laid in a ring shape along a corresponding groove excavated below a lane to form a feeder line induction coil; a plurality of active intelligent induction spikes, feeder induction coils and PLC regional control cabinets, transformers, centralized controllers and tunnel remote traffic intelligent detection systems cooperate to perform signal conversion, regional control is realized, integrated information processing is performed, and further the remote linkage control monitoring device performs intelligent real-time detection on traffic conditions in the tunnel to detect whether vehicles run normally in the tunnel or not, plays a role in forcefully standardizing the running of the vehicles in the tunnel, and greatly ensures traffic safety in the tunnel.
Description
Technical Field
The invention relates to the technical field of traffic engineering, in particular to a construction method for an active intelligent induction spike linkage monitoring control system in an ultra-long tunnel.
Background
The spike is called a raised road sign, is used as the most widely applied outline sign in a traffic security sign, is mainly arranged in the middle of a marking line of a road or in the middle of a double yellow line, has a luminous or reflecting function, and plays a role in guiding or warning a motor vehicle driver; the tunnel active intelligent induction spike is an LED visual induction sign and is mainly applied to tunnels, underground passages and the like.
Because the ultra-long roller tunnel road section is a special road section and a bottleneck road section of the whole line, and the running in the tunnel is influenced by various factors such as space, sight, light and the like, the condition of line pressing driving or illegal lane changing and the like easily occurs in the running process of the tunnel, and various traffic accidents, fire disasters and other abnormal traffic conditions easily occur; however, the conventional active spike is only used as visual inducement in the tunnel, and does not perform well in forcefully standardizing the running of the tunnel vehicle.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a construction method for an active intelligent sensing spike linkage monitoring control system in an ultra-long mountain-crossing tunnel or a large-scale underground passage, which is characterized in that a plurality of active intelligent sensing spikes and feeder line sensing coils are matched with a PLC (programmable logic controller) area control cabinet, a transformer, a centralized controller and a tunnel remote traffic intelligent detection system to perform signal conversion, regional control and integrated information processing are realized, and a remote linkage control monitoring device is used for intelligently detecting traffic conditions in the tunnel in real time to detect whether vehicles are in normal driving in the tunnel, so that the function of forcedly normalizing the driving of the vehicles in the tunnel is achieved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a construction method for an active intelligent induction spike linkage monitoring control system in an ultra-long tunnel comprises the following construction steps:
step 1), respectively excavating a plurality of grooves below each lane of a driving road surface in a tunnel, wherein the grooves below two adjacent lanes are communicated with each other;
step 2), burying a communication pipeline at one side of a groove close to the overhaul channel, wherein the groove is communicated with a cable trench in the side wall of the tunnel through the communication pipeline;
step 3) fixedly mounting a plurality of active intelligent induction spikes on each lane marking in the tunnel, and burying a power line of the plurality of active intelligent induction spikes and a feeder line arranged in the power line in the tunnel in a corresponding groove in advance and leading the power line and the feeder line into a cable groove through a communicating pipeline;
step 4) connecting feeder lines arranged inside the active intelligent induction spikes with corresponding PLC area control cabinets, and connecting power lines of the active intelligent induction spikes with corresponding transformers;
step 5), paving a water stop belt above a power line and a feeder line buried in the groove, then placing backfill glue in the groove, and paving asphalt to form a driving road surface;
and 6) connecting the PLC regional control cabinet with a centralized controller terminal, and then connecting the centralized controller with a tunnel remote traffic intelligent detection system, wherein the tunnel remote traffic intelligent detection system remotely controls a monitoring device in the tunnel.
Aiming at the further improvement of the technical scheme, a plurality of grooves which are arranged in the step 1) and are excavated on the entrance and exit sections of the tunnel are all arranged in a ring shape in a surrounding mode.
Aiming at the further improvement of the technical scheme, the feeder line of the active intelligent induction spike positioned at the section of the tunnel entrance and the tunnel exit in the step 3) is laid in an annular shape along the corresponding groove to form a feeder line induction coil, and the annular length of the feeder line induction coil is 50-100m.
Aiming at the further improvement of the technical scheme, the plurality of active intelligent induction spikes in the step 3) are arranged at intervals along the longitudinal direction of each lane marking.
Aiming at the further improvement of the technical scheme, the positions of the pressed surfaces of the active intelligent induction spikes in the step 3) are provided with 6 local convex high-voltage generators, and the local convex heights of the high-voltage generators are 20mm.
According to the technical scheme, the active intelligent induction spike comprises a plurality of LED lamps, a power amplification circuit board and a power control circuit board, wherein the power amplification circuit board and a high-voltage generator are respectively connected with a feeder line, the power control circuit board is connected with a power line, and the LED lamps are respectively electrically connected with the power control circuit board.
For further improvement of the technical proposal, the feeder adopts 1mm 2 Tungsten copper alloy material.
According to the technical scheme, the communicating pipeline adopts an HDPE pipe with the outer diameter of 32 mm.
According to the technical scheme, two groups of PLC area control cabinets are arranged on the side walls of the left tunnel and the right tunnel respectively; the transformers are provided with two groups, and are respectively arranged in the side walls of the left tunnel and the right tunnel; the monitoring device is provided with two groups which are respectively arranged on the side walls of the left tunnel and the right tunnel.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) The invention sets up a plurality of active intelligent induction spikes at each lane marking in the tunnel, and connects its power line and inside set feeder with PLC regional control cabinet, transformer separately, lay the feeder of the active intelligent induction spike of the road section located in the entrance and exit of the tunnel in the annular along the corresponding ditch groove excavated below the lane to form the feeder induction coil at the same time; a plurality of active intelligent induction spikes, feeder induction coils and PLC regional control cabinets, transformers, centralized controllers and tunnel remote traffic intelligent detection systems cooperate to perform signal conversion, regional control is realized, integrated information processing is performed, and further the remote linkage control monitoring device performs intelligent real-time detection on traffic conditions in the tunnel to detect whether vehicles run normally in the tunnel or not, plays a role in forcefully standardizing the running of the vehicles in the tunnel, and greatly ensures traffic safety in the tunnel.
(2) The invention adopts a novel active intelligent induction spike with improved design, and the positions of the pressed surfaces of the novel active intelligent induction spike are provided with 6 high-voltage generators with local bulges; when the vehicle rolls an active intelligent induction spike, a high-voltage generator can generate direct-current voltage due to stress deformation, the direct-current voltage amplifies a voltage signal through a power amplification circuit board in the spike, a feeder line is utilized to transmit the voltage signal to a corresponding PLC (programmable logic controller) area control cabinet, the PLC area control cabinet adjusts the distribution voltage of the active intelligent induction spike through a control transformer, the original 24V distribution voltage is converted into 26V distribution voltage, after the voltage change, the voltage is converted into a green-red flicker state through a low-frequency oscillator in a power control circuit board in the spike, so that the vehicle is effectively warned and the rest drivers in the section are reminded of slowing down and slowing down.
(3) The invention provides a method for forming a feeder induction coil by laying a feeder of an active intelligent induction spike on a road section at an entrance and an exit of a tunnel in an annular shape along a corresponding groove; when a vehicle enters and exits the tunnel, the vehicle running number and the loading vehicle type in the tunnel are recorded by matching the feeder line induction coil at the entrance and exit of the tunnel with the PLC area control cabinet, the centralized controller and the tunnel remote traffic intelligent system; when the vehicle accident in the tunnel causes abnormal change of the induction current of a certain section, the color display state of the LED lamp is changed by matching the feeder line of the active intelligent induction spike positioned in the middle section of the tunnel with the PLC area control cabinet and the transformer, and the angle of the monitoring device is controlled by the tunnel traffic intelligent system in time, so that the traffic accident condition in the tunnel is checked, the running quantity of the vehicle in the tunnel is counted, the running condition of the vehicle in the tunnel is controlled better, and the time for rescuing the traffic accident is saved to a great extent.
(4) The feeder line arranged in the active intelligent induction spike adopts tungsten-copper alloy material, and the tungsten-copper alloy material has strong anti-interference and shielding effects, high compression resistance, good timeliness of signal transmission and convenient construction in the environment of an ultra-long mountain-crossing tunnel or a large-scale underground passage, thereby greatly reducing the later maintenance cost.
Drawings
FIG. 1 is a schematic diagram of the construction steps of a control system of the present invention;
FIG. 2 is a schematic diagram of a control system installation of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic diagram of the structure of an active intelligent sensing spike of the present invention;
FIG. 5 is a cross-sectional view B-B of FIG. 4 in accordance with the present invention; .
FIG. 6 is a block diagram of a control system of the present invention;
FIG. 7 is a block diagram showing the specific connection of the internal structures of the PLC area control cabinet, the transformer and the active intelligent induction spike;
FIG. 8 is a wiring diagram of the PLC area control cabinet and spike illumination of the invention;
fig. 9 is a wiring diagram of the PLC area control cabinet and the monitoring device of the present invention.
In the figure, 1 is a groove, 2 is a communication pipeline, 3 is an active intelligent induction spike, 31 is a power line, 32 is a feeder line, 33 is a high-voltage generator, 34 is a power amplification circuit board, 35 is an LED lamp, 36 is a power control circuit board, 4 is a PLC (programmable logic controller) area control cabinet, 5 is a transformer, 6 is a power supply, and 7 is a monitoring device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, a construction method for an active intelligent induction spike linkage monitoring control system in an ultra-long tunnel in an embodiment of the invention comprises the following construction steps:
step 1), respectively excavating a plurality of grooves below each lane of a driving road surface in a tunnel, wherein the grooves below two adjacent lanes are communicated with each other;
step 2), burying a communication pipeline at one side of a groove close to the overhaul channel, wherein the groove is communicated with a cable trench in the side wall of the tunnel through the communication pipeline;
step 3) fixedly mounting a plurality of active intelligent induction spikes on each lane marking in the tunnel, and burying a power line of the plurality of active intelligent induction spikes and a feeder line arranged in the power line in the tunnel in a corresponding groove in advance and leading the power line and the feeder line into a cable groove through a communicating pipeline;
step 4) connecting feeder lines arranged inside the active intelligent induction spikes with corresponding PLC area control cabinets, and connecting power lines of the active intelligent induction spikes with corresponding transformers;
step 5), paving a water stop belt above a power line and a feeder line buried in the groove, then placing backfill glue in the groove, and paving asphalt to form a driving road surface;
and 6) connecting the PLC regional control cabinet with a centralized controller terminal, and then connecting the centralized controller with a tunnel remote traffic intelligent detection system, wherein the tunnel remote traffic intelligent detection system remotely controls a monitoring device in the tunnel.
In the specific embodiment of the invention, a plurality of grooves 1 excavated at the entrance and exit sections of the tunnel in the step 1) are all arranged in a ring shape in a surrounding manner, and a feeder line 32 of an active intelligent induction spike 3 positioned at the entrance and exit sections of the tunnel in the step 3) is laid in a ring shape along the corresponding groove 1 to form a feeder line induction coil; the power line 31 of the active intelligent induction spike 3 positioned in the middle section of the tunnel and the feeder line 32 arranged in the power line are normally buried in the corresponding groove 1 and are not laid in a ring shape; the annular length of the feeder line induction coil is consistent with the annular length of the corresponding groove 1, the annular length is 50-100m, and the annular width of the feeder line induction coil is normally set according to the width range of a traffic lane.
When a vehicle enters and exits the tunnel, the induction current generated by the feeder induction coil is fed back to the PLC area control cabinet 4 through the feeder induction coil at the entrance and exit of the tunnel, then the centralized controller uploads data to the tunnel remote traffic intelligent system, and the frequency of the induction current is calculated by the tunnel remote traffic intelligent system to record the running number and the loading vehicle type of the vehicle in the tunnel; when the vehicle accident in the tunnel causes abnormal change of the induction current of a certain section, the feeder line 32 of the active intelligent induction spike 3 positioned in the middle section of the tunnel controls the power supply voltage of the spike 3 to be changed from 24V to 36V through the PLC area control cabinet 4, so that the LED lamp 35 is changed from a green normally-on state to a red normally-on state, and the angle of the monitoring device 7 is controlled through the tunnel traffic intelligent system in time, so that the traffic accident condition in the tunnel is checked, the running quantity of the vehicles in the tunnel is counted, the running condition of the vehicles in the tunnel is controlled better, and the time for rescuing the traffic accident is saved to a great extent.
Referring to fig. 2, the active intelligent sensing spikes 3 in the step 3) are arranged at intervals along the longitudinal direction of each lane marking; after the vehicle moves beyond the line and the lane changes, the rolled active intelligent induction spike 3 feeds back the vehicle driving signal of the section to the PLC area control cabinet 4 through the feeder line 32, and the central controller uploads the signal change condition obtained by feedback to the tunnel remote traffic intelligent detection system for analysis and processing, so that the angle of the monitoring device 7 in the tunnel is adjusted to snapshot the parallel vehicles in real time, and the visual field blind area on the snapshot angle is greatly reduced.
Referring to fig. 4-5, in step 3), the novel active intelligent induction spikes with improved design are adopted, the positions of the pressed surfaces of the active intelligent induction spikes 3 are provided with 6 local raised high-voltage generators 33, and the local raised heights of the high-voltage generators 33 are 20mm; the inside of the active intelligent induction spike 3 comprises a plurality of LED lamps 35, a power amplification circuit board 34 and a power control circuit board 36, wherein the power amplification circuit board 34 and the high-voltage generator 33 are respectively connected with the feeder line 32, the power control circuit board 36 is connected with the power line 31, and the LED lamps 35 are electrically connected with the power control circuit board 36.
When the vehicle rolls the active intelligent induction spike 3, the high-voltage generator 33 generates direct-current voltage due to stress deformation, the direct-current voltage amplifies a voltage signal through the power amplification circuit board 34 in the spike, the voltage signal is transmitted to the corresponding PLC area control cabinet 4 by the feeder line 32, the PLC area control cabinet 4 adjusts the power distribution voltage of the spike through the control transformer 5, the original 24V power distribution voltage is converted into 26V power distribution voltage, and the voltage is changed and then passes through the low-frequency oscillator in the power supply control circuit board 36 in the spike, so that the color of the LED lamp 35 in the spike is converted into a green-red flash state from green, and then the parallel line vehicle is effectively warned and the rest drivers in the section are reminded of slowing down.
In the embodiment of the invention, the feeder line 32 adopts 1mm 2 The tungsten-copper alloy material has the advantages of strong anti-interference and anti-shielding effects, high compression resistance, good signal transmission timeliness and convenient construction in the environment of an ultra-long roller tunnel or a large-scale underground passage, and greatly reduces the later maintenance cost.
The communication pipeline 2 adopts an HDPE pipe with the outer diameter of 32mm, and can play the roles of a feeder line 32 and a power line 31.
The PLC area control cabinet 4 is provided with two groups which are respectively arranged on the side walls of the left tunnel and the right tunnel; the transformers 5 are provided with two groups, and are respectively arranged in the left tunnel side wall and the right tunnel side wall; the monitoring devices 7 are provided with two groups which are respectively arranged on the side walls of the left tunnel and the right tunnel, and each group of monitoring devices 7 consists of a front monitoring camera and a rear monitoring camera; the inside of left and right tunnel lateral wall is provided with power supply 6 respectively, power supply 6 is connected with PLC regional control cabinet 4, transformer 5 electricity respectively.
According to the invention, a plurality of active intelligent induction spikes 3 are arranged at each lane marking in a tunnel, a power line 31 and a feeder line 32 arranged in the tunnel are respectively connected with a PLC (programmable logic controller) area control cabinet 4 and a transformer 5, and meanwhile, the feeder line 32 of the active intelligent induction spikes 3 positioned at a road section at an entrance and an exit of the tunnel is laid in an annular shape along a corresponding groove 1 excavated below a lane to form a feeder line induction coil; a plurality of active intelligent induction spikes 3, feeder induction coil and PLC regional control cabinet 4, transformer 5, centralized controller, tunnel remote traffic intelligent detection system cooperate and carry out signal conversion, carry out regional control, integrate information processing, and then the remote coordinated control monitoring device 7 carries out intelligent real-time detection tunnel interior traffic conditions, whether detect the vehicle and standardize the driving in the tunnel, play the function that the vehicle was gone in the mandatory standard tunnel, guaranteed the traffic safety in the tunnel to a great extent.
The foregoing detailed description of the invention has been presented for purposes of illustration and description, but is not intended to limit the scope of the invention in any way, i.e., all changes and modifications that may be practiced otherwise than as specifically described herein are deemed to fall within the spirit and scope of the invention.
Claims (7)
1. The construction method for the active intelligent induction spike linkage monitoring control system in the ultra-long tunnel is characterized by comprising the following construction steps of:
step 1), respectively excavating a plurality of grooves below each lane of a driving road surface in a tunnel, wherein the grooves below two adjacent lanes are communicated with each other;
step 2), burying a communication pipeline at one side of a groove close to the overhaul channel, wherein the groove is communicated with a cable trench in the side wall of the tunnel through the communication pipeline;
step 3) fixedly mounting a plurality of active intelligent induction spikes on each lane marking in a tunnel, wherein the power lines of the plurality of active intelligent induction spikes and feeder lines arranged in the active intelligent induction spikes are buried in corresponding grooves in advance and led into cable trenches through communication pipelines, the feeder lines of the active intelligent induction spikes positioned at the sections of the tunnel entrance and exit are laid in a ring shape along the corresponding grooves to form feeder line induction coils, the ring length of the feeder line induction coils is 50-100m, the pressed surface positions of the plurality of active intelligent induction spikes are respectively provided with 6 local raised high-voltage generators, and the local raised heights of the high-voltage generators are 20mm;
step 4) connecting feeder lines arranged inside the active intelligent induction spikes with corresponding PLC area control cabinets, and connecting power lines of the active intelligent induction spikes with corresponding transformers;
step 5), paving a water stop belt above a power line and a feeder line buried in the groove, then placing backfill glue in the groove, and paving asphalt to form a driving road surface;
and 6) connecting the PLC regional control cabinet with a centralized controller terminal, and then connecting the centralized controller with a tunnel remote traffic intelligent detection system, wherein the tunnel remote traffic intelligent detection system remotely controls a monitoring device in the tunnel.
2. The construction method for the active intelligent induction spike linkage monitoring control system in the ultra-long tunnel according to claim 1, wherein the plurality of grooves excavated in the entrance and exit sections of the tunnel in the step 1) are all arranged in a ring shape in a surrounding mode.
3. The construction method for the active intelligent sensing spike linkage monitoring control system in the ultra-long tunnel according to claim 1, wherein the plurality of active intelligent sensing spikes in the step 3) are arranged at intervals along the longitudinal direction of each lane marking.
4. The construction method for the active intelligent induction spike linkage monitoring control system in the ultra-long tunnel according to claim 1, wherein the active intelligent induction spike comprises a plurality of LED lamps, a power amplification circuit board and a power control circuit board, the power amplification circuit board and a high-voltage generator are respectively connected with a feeder line, the power control circuit board is connected with a power line, and the LED lamps are respectively and electrically connected with the power control circuit board.
5. The construction method for the active intelligent induction spike linkage monitoring control system in the ultra-long tunnel according to claim 1, wherein the feeder adopts 1mm 2 Tungsten copper alloy material.
6. The construction method for the active intelligent induction spike linkage monitoring control system in the ultra-long tunnel according to claim 1, wherein the communicating pipeline adopts an HDPE pipe with the outer diameter of 32 mm.
7. The construction method for the active intelligent induction spike linkage monitoring control system in the ultra-long tunnel according to claim 1, wherein two groups of PLC area control cabinets are arranged on the left tunnel side wall and the right tunnel side wall respectively; the transformers are provided with two groups, and are respectively arranged in the side walls of the left tunnel and the right tunnel; the monitoring device is provided with two groups which are respectively arranged on the side walls of the left tunnel and the right tunnel.
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| CN202211193795.3A CN115601963B (en) | 2022-09-28 | 2022-09-28 | Construction method for active intelligent induction spike linkage monitoring control system in ultra-long tunnel |
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| CN202211193795.3A CN115601963B (en) | 2022-09-28 | 2022-09-28 | Construction method for active intelligent induction spike linkage monitoring control system in ultra-long tunnel |
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| CN115601963B true CN115601963B (en) | 2024-01-30 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207966200U (en) * | 2017-12-27 | 2018-10-12 | 中国船舶重工集团公司第七一0研究所 | A kind of mountainous area highway early warning delivery system |
| US10253468B1 (en) * | 2014-01-13 | 2019-04-09 | Evolutionary Markings, Inc. | Pavement marker modules |
| CN112530171A (en) * | 2019-09-19 | 2021-03-19 | 惠州市路宝电子有限公司 | Tunnel pedestrian safety dead-angle-free radar detection implementation system |
| CN114960498A (en) * | 2022-04-19 | 2022-08-30 | 广州市恒盛建设工程有限公司 | Installation method for intelligent regional detection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE50010935D1 (en) * | 2000-12-30 | 2005-09-15 | Goddert Peters | Tunnel monitoring system in a tunnel |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10253468B1 (en) * | 2014-01-13 | 2019-04-09 | Evolutionary Markings, Inc. | Pavement marker modules |
| CN207966200U (en) * | 2017-12-27 | 2018-10-12 | 中国船舶重工集团公司第七一0研究所 | A kind of mountainous area highway early warning delivery system |
| CN112530171A (en) * | 2019-09-19 | 2021-03-19 | 惠州市路宝电子有限公司 | Tunnel pedestrian safety dead-angle-free radar detection implementation system |
| CN114960498A (en) * | 2022-04-19 | 2022-08-30 | 广州市恒盛建设工程有限公司 | Installation method for intelligent regional detection |
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