CN220727822U - Expressway tunnel power failure emergency early warning system - Google Patents
Expressway tunnel power failure emergency early warning system Download PDFInfo
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- CN220727822U CN220727822U CN202321350536.7U CN202321350536U CN220727822U CN 220727822 U CN220727822 U CN 220727822U CN 202321350536 U CN202321350536 U CN 202321350536U CN 220727822 U CN220727822 U CN 220727822U
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- 230000009286 beneficial effect Effects 0.000 description 7
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Abstract
The utility model relates to the technical field of highway safety, in particular to an emergency early warning system for power failure of a highway tunnel, which comprises a mounting rail, an early warning device movably assembled on the mounting rail and an EPS power supply for supplying power to the early warning device; the early warning device comprises a base, a supporting upright rod, an information display screen, a lifting driving mechanism, a loudspeaker, a servo driving motor and a controller; the bottom of the base is provided with a movable wheel, the supporting upright rod is fixed on the base, and the information display screen is arranged at the top of the supporting upright rod; the lifting driving mechanism is arranged between the information display screen and the supporting upright rod, the servo driving motor is arranged on the base and is in transmission connection with the lifting driving mechanism and the corresponding moving wheel; the controller is in control connection with the information display screen, the loudspeaker and the servo driving motor and is electrically connected with the EPS power supply. When the tunnel suddenly fails, the EPS power supply can supply power for the electric equipment and the early warning device in the tunnel, so that the early warning device prompts a driver to pay attention to the tunnel condition, and the accident rate is reduced.
Description
Technical Field
The utility model relates to the technical field of highway safety, in particular to an emergency early warning system for power failure of a highway tunnel.
Background
The expressway tunnel is a connection mode for shortening the distance between two places most effectively in western regions of China, and is an important component of expressways. When the vehicle runs on the expressway, tunnel groups and long tunnels are frequently met, power stations and boxes are distributed in the tunnels to be changed into electromechanical equipment such as tunnel illumination, ventilation and the like to provide power support. The mountain area is influenced by the terrain and the climate, sudden power failure occurs, and the tunnel power supply is influenced to a certain extent especially in the multiple period of the lightning disaster in summer.
Because the speed of the vehicle running on the expressway is high, the vehicle can have a certain influence on the on-site running vehicle after the power failure of the tunnel, and especially when the illumination is strong in daytime, the power failure of the tunnel is suddenly encountered, and if a driver does not find in time to prepare in advance, short visual disorder can occur.
When the tunnel encounters an emergency power failure condition, the monitoring room staff find out and timely inform each department to start an emergency plan in a round-robin manner, and then on-site command and power rush repair are performed. However, a certain time is required from the discovery to the on-site disposal, and if the vehicle entering the tunnel in the time period does not acquire the power failure information of the tunnel in time, a certain driving safety hidden trouble exists.
Disclosure of Invention
In view of the above, the present utility model aims to provide an emergency early warning system for power failure of a highway tunnel, so as to solve the technical problem that the treatment mode of the emergency power failure condition of the highway tunnel in the prior art still has a large potential safety hazard.
In order to solve the problems, the expressway tunnel power failure emergency early warning system provided by the utility model adopts the following technical scheme:
the highway tunnel power failure emergency early warning system comprises a mounting rail, an early warning device movably assembled on the mounting rail and an EPS power supply for supplying power to the early warning device;
the early warning device comprises:
the base is provided with a moving wheel which is in sliding fit with the mounting rail at the bottom;
a supporting upright rod fixed on the base;
the information display screen is arranged at the top of the supporting upright rod;
the lifting driving mechanism is arranged between the information display screen and the supporting upright rod and is used for driving the information display screen to reciprocate up and down in the axial direction of the supporting upright rod;
the loudspeaker is arranged below the information display screen;
the servo driving motor is arranged on the base and is in transmission connection with the lifting driving mechanism and the corresponding moving wheel;
and the controller is in control connection with the information display screen, the loudspeaker and the servo driving motor and is electrically connected with the EPS power supply.
The beneficial effects of the utility model are as follows: the expressway tunnel power failure emergency early warning system disclosed by the utility model has the advantages that when a tunnel suddenly fails, the EPS power supply is connected to work, the EPS power supply can provide emergency power supply for electric equipment in the tunnel, the EPS power supply also supplies power for the early warning device, the work of an information display screen and a loudspeaker is realized under the action of a controller, the information display screen can display warning slogans to remind a driver, and meanwhile, the loudspeaker can send warning sounds and flashing lights to prompt the driver to pay attention; in addition, the controller can control the servo motor to act, so that the movement of the whole early warning device and the lifting of the information display screen can be realized, the attention of a driver can be further brought, the driver can quickly and effectively learn road condition information, and the potential safety hazard is reduced.
Further, the mounting rail comprises a first rail section, a second rail section and an arc-shaped rail section, wherein the first rail section and the second rail section are perpendicular to each other, the arc-shaped rail section is connected between the first rail section and the second rail section, the first rail section is used for being mounted on the outer side of a tunnel, the second rail section is used for being mounted on the inner side of the tunnel, and the servo driving motor can drive the moving wheel to move back and forth between the first rail section and the second rail section when the servo driving motor is connected with an EPS power supply.
The beneficial effects are that: when the EPS power supply is connected, the early warning device can move from the first track section to the second track section, and provides tunnel power failure information early warning for drivers; after the tunnel electric power facility is salvaged, the early warning device can be moved onto the first track section from the second track section, so that influence on a driver is avoided.
Further, a belt transmission mechanism is arranged between the servo driving motor and the movable wheel and comprises a first belt wheel fixed on a corresponding movable wheel shaft, a second belt wheel rotationally assembled on the base and a transmission belt connected to the first belt wheel and the second belt wheel, and the second belt wheel is positioned above the base.
The beneficial effects are that: the belt transmission mechanism is adopted, so that the transmission is stable, the transmission efficiency is high, the reliability is good, and the stable movement of the early warning device can be ensured.
Further, the lifting driving mechanism is a gear-rack mechanism, and the gear-rack mechanism comprises a rack rod which is slidably assembled on the supporting upright rod and a driving gear which is meshed with the rack rod for transmission; the base is rotatably provided with a transmission shaft with the axis perpendicular to the axis of the supporting upright rod, the transmission shaft is in transmission connection with the servo driving motor, the driving gear and the second belt wheel are coaxially fixed on the transmission shaft, and the supporting upright rod is provided with a through hole for the driving gear to pass through.
The beneficial effects are that: the rack and pinion mechanism is adopted, the transmission precision is high, the stable uniform speed adjustment of the height of the information display screen can be realized, and the rack and pinion mechanism occupies small space and is convenient to install between the supporting upright rod and the information display screen.
Further, the loudspeaker is adjustable in position in the axial direction of the supporting upright rod.
The beneficial effects are that: the position of the loudspeaker is adjusted, so that the driver is more likely to pay attention to the loudspeaker.
Further, a supporting rod is connected to the loudspeaker and fixedly connected with the rack rod.
The beneficial effects are that: the adjusting of speaker position is driven through the lift of rack bar, need not to design corresponding elevation structure for the speaker alone, and then makes the structure of whole early warning device simpler.
Further, the number of the speakers is two, and the speakers are symmetrically arranged on two sides of the rack bar.
Further, the end connection of rack bar has the fixed frame of rectangle, the controller is installed in the fixed frame of rectangle, and four end to end's of the fixed frame of rectangle frame wall terminal surface is equipped with the embedded recess of confession information display screen, still rotates on four end to end's of the fixed frame of rectangle wall terminal surface and is equipped with and is used for stopping complex pin with information display screen.
The beneficial effects are that: the display screen is convenient to install and detach.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 is a schematic diagram of an emergency power outage early warning system for highway tunnels of the present utility model;
FIG. 2 is a schematic diagram of the front structure of the early warning device in FIG. 1;
FIG. 3 is a schematic structural view of the rectangular fixing frame in FIG. 2;
fig. 4 is a schematic structural diagram of a lifting principle of a display information display screen in the expressway tunnel power failure emergency early warning system of the utility model;
fig. 5 is a schematic diagram of the emergency warning system for highway tunnel power failure according to the present utility model.
Reference numerals illustrate:
the device comprises a 1-early warning device, a 2-mounting rail, a 3-tunnel, a 4-EPS power supply, a 5-information display screen, a 6-groove, a 7-rectangular fixed frame, an 8-controller, a 9-loudspeaker, a 10-servo driving motor, an 11-supporting upright rod, a 12-supporting upright plate, a 13-supporting flat plate, a 14-transmission shaft, a 15-rack bar, a 16-driving gear, a 17-first belt wheel, a 18-second belt wheel, a 19-transmission belt, a 20-stop bar, a 21-base, a 22-moving wheel, a 23-first track section, a 24-second track section and a 25-arc-shaped track section.
Detailed Description
The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The principles and spirit of the present utility model are explained in detail below with reference to several representative embodiments thereof.
The utility model provides an embodiment 1 of a highway tunnel power failure emergency early warning system, which comprises the following steps:
the expressway tunnel power failure emergency early warning system timely carries out early warning prompt on a driver who is about to enter a tunnel entrance under the sudden power failure condition of the expressway tunnel so as to reduce the accident rate. As shown in fig. 1 and 2, the expressway tunnel power failure emergency early warning system includes a mounting rail 2, an early warning device 1 movably mounted on the mounting rail 2, and an EPS power supply 4 for supplying power to the early warning device 1. The EPS power supply 4 is arranged on the outer side of the tunnel 3 and is positioned in the corresponding EPS control cabinet. The mounting rail 2 comprises a first rail section 23 and a second rail section 24 perpendicular to each other and an arc-shaped rail section 25 connected between the first rail section 23 and the second rail section 24, wherein the first rail section 23 is arranged on the outer side of the tunnel 3, and the second rail section 24 is arranged on the inner side of the tunnel 2, but is positioned in a maintenance patrol area at the edge of the tunnel, which is approximately 1 meter wide, and causes no inconvenience for driving.
As shown in fig. 2 and 3, the early warning device includes a base 21, a supporting pole 11, an information display 5, a speaker 9, and a controller 8.
Wherein the base 21 is rectangular, the bottom is provided with moving wheels 22 distributed in rectangular shape, the moving wheels 22 are in sliding fit with the mounting rail 2, and universal wheels are arranged in the moving wheels 22 so that the base can move relatively on each rail section of the mounting rail 2.
The supporting upright rod 11 is fixed at the center of the base 21, two supporting upright plates 12 are respectively arranged on the base 21 on the two radial sides of the supporting upright rod 11, a transmission shaft 14 is rotatably assembled between the two supporting upright plates 12 through bearings, a supporting flat plate 13 is connected to the supporting upright plate 12 on one side, a servo driving motor 10 is arranged on the supporting flat plate 13, and the servo driving motor 10 is connected with the EPS power supply 4 through the controller 8. The output shaft of the servo drive motor 10 is in driving connection with the transmission shaft 14 through a coupling so as to drive the transmission shaft 14 to rotate. A belt transmission mechanism is arranged between the transmission shaft 14 and the wheel shaft of one of the moving wheels, and comprises a first belt pulley 17 fixed on the wheel shaft of the corresponding moving wheel, a second belt pulley 18 coaxially fixed on the transmission shaft 14, and a transmission belt 19 connected on the first belt pulley 17 and the second belt pulley 18. Wherein the second pulley 18 is located at the outer side of the support riser 12 far from the servo drive motor 10, and the transmission belt 19 passes through the base 21. In other embodiments, a sprocket and chain drive may be provided between the servo drive motor 10 and the moving wheel axle.
As shown in fig. 4, the support pole 11 is tubular and has an inner hole extending in the up-down direction, and a through hole is formed in the side wall of the support pole 11. A rack bar 15 extending in the up-down direction is provided in the support upright 11, a drive gear 16 engaged with the rack bar 15 is coaxially fixed to the drive shaft 14, and the drive gear 16 is partially engaged with the rack bar 15 by penetrating into the support upright 11 through the through hole. When the servo drive motor 10 works, besides driving the moving wheel 22 to move, the rack bar 15 is driven by the driving gear 16 to move upwards or downwards relative to the supporting upright rod 11, and when the rack bar 15 moves in place, the transmission shaft 14 does not rotate any more under the electromagnetic self-locking effect of the servo drive motor 10, and the rack bar 15 is kept at the current position.
The top fixedly connected with rectangle fixed frame 7 of rack bar 15, as shown in fig. 3, four end to end's of rectangle fixed frame 7 frame wall terminal surfaces are equipped with the embedded recess 6 of confession information display 5, and information display 5 is the common LED information board in the prior art, and direct knot is in recess 6 during the installation, in order to avoid information display 5 to deviate from recess 6, still rotate respectively on four end to end's of rectangle fixed frame 7 frame wall terminal surfaces and be equipped with pin 20, stir four pin 20, make pin 20 and information display 5 keep off the cooperation. The controller 8 is a common PLC controller in the prior art, is in control connection with the information display screen 5, the speaker 9 and the servo driving motor 10, is electrically connected with the EPS power supply 4, is installed in the rectangular fixed frame, and is located at the rear side of the information display screen 5. The rack bar 15 and the driving gear 16 form a lifting driving mechanism, and the information display screen 5 is driven to move up or down by the driving action of the servo driving motor 10.
In this embodiment, two speakers 9 are provided, which are located below the information display screen 5 and symmetrically arranged on both sides of the rack bar 15. A strut is connected between the speaker 9 and the rack bar 15 to fix the speaker 9. When the information display 5 is adjusted in position, the speaker 9 is also adjusted in position in the up-down direction, so that the driver's attention is more easily drawn. The speaker 9 is connected in parallel with the information display 5 and then connected with an EPS power supply through the controller 8.
In the initial state, as shown in fig. 1, the whole early warning device 1 is positioned at the outer side of the tunnel 3, the tunnel is powered normally, the EPS power supply is in a dormant state, and the early warning device 1 does not work. In practice, in order to facilitate monitoring personnel to find the power supply condition of the tunnel in time, the EPS power supply is also connected with a wireless information transmitter, and the wireless information transmitter is in communication connection with the monitoring room.
When the sudden power failure condition occurs in the tunnel, as shown in fig. 5, the EPS power supply works to supply power to the early warning device 1 and the wireless information transmitter, the wireless information transmitter transmits a power failure early warning signal, and the indoor wireless signal receiver is controlled to alarm by the audible and visual alarm in the monitoring room after receiving the power failure signal, so that the staff in the monitoring room can know the power failure information of the tunnel for the first time and report the start emergency plan in time. Meanwhile, the controller 8 is powered on to control the servo driving motor 10, the information display screen 5 and the loudspeaker 9 to work, the information display screen 5 displays a prompt such as 'front tunnel power rush repair', a vehicle lamp is started, the vehicle distance is kept, the vehicle runs safely ', the loudspeaker 9 continuously records and plays' front tunnel power rush repair ', the vehicle lamp is started, the vehicle distance is kept, the vehicle runs safely', the servo driving motor 10 drives the whole early warning device to move from the first track section 23 to the second track section 24, the information display screen 5 is opposite to a driver who passes, the driver can quickly and effectively learn power failure information of the front tunnel when observing the prompt and the voice broadcast, the vehicle lamp is started safely in advance, and the potential safety hazard is reduced. After the emergency repair is completed, the controller 8 can control the servo driving motor 10 to rotate reversely, the information display screen 5 is retracted, and the early warning device 1 is moved to the outer side of the tunnel 3.
The embodiment 2 of the expressway tunnel power failure emergency early warning system provided by the utility model comprises the following components:
the differences from example 1 are mainly that: in embodiment 1, the mounting track is divided into a first track section, a second track section and an arc-shaped track section, so that the early warning device can be initially placed outside the tunnel. In this embodiment, the installation track has only a straight track section, installs in the inboard maintenance patrol district of tunnel, and when the tunnel was cut off the power supply, directly from the inboard straight line movement of tunnel to outside the tunnel.
The utility model provides an embodiment 3 of a highway tunnel power failure emergency early warning system:
the differences from example 1 are mainly that: in embodiment 1, the lifting driving mechanism adopts a gear-rack mechanism, in this embodiment, the lifting driving mechanism adopts a screw-nut transmission mechanism, at this time, the supporting upright rod is used as a screw, an external thread section is arranged outside the supporting upright rod, the supporting upright rod is rotationally assembled on the base, the external thread of the supporting upright rod is connected with the moving block to be used as a nut, a guide rod penetrating through the moving block is arranged on the base, the moving block is connected with the rectangular fixed frame through a connecting rod, at this time, a bevel gear transmission mechanism is arranged between the transmission shaft and the supporting upright rod, so that the supporting upright rod is driven to rotate through the bevel gear transmission mechanism under the driving of the servo driving motor, and the moving block is driven to drive the information display screen to move up and down.
Claims (8)
1. The expressway tunnel power failure emergency early warning system is characterized by comprising an installation track, an early warning device movably assembled on the installation track and an EPS power supply for supplying power to the early warning device; the early warning device comprises:
the base is provided with a moving wheel which is in sliding fit with the mounting rail at the bottom;
a supporting upright rod fixed on the base;
the information display screen is arranged at the top of the supporting upright rod;
the lifting driving mechanism is arranged between the information display screen and the supporting upright rod and is used for driving the information display screen to reciprocate up and down in the axial direction of the supporting upright rod;
the loudspeaker is arranged below the information display screen;
the servo driving motor is arranged on the base and is in transmission connection with the lifting driving mechanism and the corresponding moving wheel;
and the controller is in control connection with the information display screen, the loudspeaker and the servo driving motor and is electrically connected with the EPS power supply.
2. The highway tunnel power failure emergency early warning system according to claim 1, wherein the mounting rail comprises a first rail section and a second rail section which are perpendicular to each other, and an arc-shaped rail section connected between the first rail section and the second rail section, the first rail section is used for being mounted outside the tunnel, the second rail section is used for being mounted inside the tunnel, and the servo driving motor can drive the moving wheel to move back and forth between the first rail section and the second rail section when the servo driving motor is connected with an EPS power supply.
3. The emergency pre-warning system for power failure of expressway tunnel according to claim 1, wherein a belt transmission mechanism is arranged between the servo driving motor and the movable wheel, the belt transmission mechanism comprises a first belt wheel fixed on a corresponding movable wheel shaft, a second belt wheel rotatably assembled on the base and a transmission belt connected to the first belt wheel and the second belt wheel, and the second belt wheel is located above the base.
4. The emergency warning system for power failure in expressway tunnel according to claim 3, wherein said elevating driving mechanism is a rack and pinion mechanism comprising a rack bar slidably fitted to said supporting pole and a driving gear engaged with the rack bar; the base is rotatably provided with a transmission shaft with the axis perpendicular to the axis of the supporting upright rod, the transmission shaft is in transmission connection with the servo driving motor, the driving gear and the second belt wheel are coaxially fixed on the transmission shaft, and the supporting upright rod is provided with a through hole for the driving gear to pass through.
5. The highway tunnel power outage emergency warning system of claim 4, wherein the speaker is position adjustable in an axial direction of the support pole.
6. The expressway tunnel power failure emergency pre-warning system of claim 5, wherein the loudspeaker is connected with a support rod, and the support rod is fixedly connected with the rack rod.
7. The highway tunnel power outage emergency warning system according to claim 5 or 6, wherein two speakers are provided and symmetrically arranged at both sides of the rack bar.
8. The emergency pre-warning system for power failure of expressway tunnel according to any one of claims 4-6, wherein a rectangular fixing frame is connected to the end portion of the rack bar, the controller is installed in the rectangular fixing frame, grooves for embedding an information display screen are formed in the end faces of four end-to-end frame walls of the rectangular fixing frame, and a stop lever for blocking and matching with the information display screen is further rotatably installed on the end faces of four end-to-end frame walls of the rectangular fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321350536.7U CN220727822U (en) | 2023-05-30 | 2023-05-30 | Expressway tunnel power failure emergency early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321350536.7U CN220727822U (en) | 2023-05-30 | 2023-05-30 | Expressway tunnel power failure emergency early warning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727822U true CN220727822U (en) | 2024-04-05 |
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ID=90489137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321350536.7U Active CN220727822U (en) | 2023-05-30 | 2023-05-30 | Expressway tunnel power failure emergency early warning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727822U (en) |
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2023
- 2023-05-30 CN CN202321350536.7U patent/CN220727822U/en active Active
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