CN114875826B

CN114875826B - Alarm system of highway guardrail based on liquid is electrically conductive

Info

Publication number: CN114875826B
Application number: CN202210520476.2A
Authority: CN
Inventors: 欧阳泽; 袁蜀翔; 马文源; 庞恩莱; 常征
Original assignee: Chongqing University of Science and Technology
Current assignee: Chongqing University of Science and Technology
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2023-06-27
Anticipated expiration: 2042-05-13
Also published as: CN114875826A

Abstract

The invention belongs to the technical field of alarm systems, and discloses an alarm system of a highway guardrail based on liquid conduction, which comprises a plurality of Internet of things modules, alarm strips, conductive liquid, conductive copper wires and a main control computer, wherein the alarm strips are hollow, a film is arranged in the alarm strips, a plurality of baffles fixed on the alarm strips are arranged on the upper sides of the films, a liquid storage bin is formed by two adjacent baffles, the conductive liquid is positioned in the liquid storage bin, the conductive copper wires are two, the Internet of things modules are connected with the alarm strips in series, the conductive copper wires are electrically connected with the Internet of things modules, and the Internet of things modules are connected with the main control computer in a signal mode.

Description

Alarm system of highway guardrail based on liquid is electrically conductive

Technical Field

The invention belongs to the technical field of alarm systems, and particularly relates to an alarm system of a highway guardrail based on liquid conduction.

Background

With the development and progress of science and technology, the demands of people on things are changed from old thinking that people can use things, become quite fine and demanding, and only the continuous progress or innovative conception generates new forms to improve the added value of products, so that people can survive under the vigorous test of market competition. At present, measures taken by the expressway for finding out collision guardrails mainly comprise video monitoring, highway patrol, manual alarm and the like, wherein the video monitoring is used for monitoring heavy areas, the full-line monitoring is difficult to realize, a special person is responsible for monitoring a plurality of areas, but unnoticed damage can occur, the highway patrol is carried out by the special person, the patrol period is long, and a large amount of manpower and material resources are consumed; the manual alarm is through communication modes such as telephone, but also has untimely phenomenon, and the automobile is after the highway bumps, if not in time repair the guardrail, can cause secondary potential safety hazard very easily, especially in some remote roads, the damage of guardrail often can not timely discover, and if add a large amount of sensors then can increase maintenance and installation cost.

Disclosure of Invention

In view of the above-mentioned problems with the background art, the present invention has as its object: aims at providing an alarm system of a highway guardrail based on liquid conduction.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

the utility model provides an alarm system based on liquid electrically conducts highway guardrail, includes a plurality of thing networking module, warning strip, electrically conductive liquid, electrically conductive copper line and the main control computer of establishing ties through the pipe, the inside cavity of warning strip, the inside film that is equipped with of warning strip, the film will the warning strip separates into upper and lower two-layer, the film upside is equipped with a plurality of baffles that are fixed in the warning strip, and adjacent two the baffle forms the stock solution storehouse, electrically conductive liquid is located in the stock solution storehouse, electrically conductive copper line has two, two electrically conductive copper line hug closely respectively in two corners of film downside bottom, thing networking module with the warning strip establishes ties, electrically conductive copper line with thing networking module electricity is connected, thing networking module with main control computer signal connection.

Further defined, the alarm strip has a wall thickness dimension of 0.1 mm and the membrane has a thickness dimension of 0.05 mm, which is susceptible to stress causing rupture of the inner membrane.

Further limited, only one third of the conductive liquid is filled in the liquid storage bin, and the liquid storage bin is saturated by the design, so that the alarm strip can be broken after being impacted violently, and the alarm strip can not be alarmed by the tiny pressure, so that the accuracy and the necessity of alarm are increased.

Further limited, the alarm strip is made of polytetrafluoroethylene, and the polytetrafluoroethylene is a high molecular polymer prepared by polymerizing tetrafluoroethylene serving as a monomer, is white, waxy, semitransparent, heat-resistant and cold-resistant, and can be used for a long time at-180-260 ℃, and the material has the characteristics of acid resistance, alkali resistance and resistance to various organic solvents, is almost insoluble in all solvents, and is sufficient for resisting various severe environments on highways.

Further, the distance between two adjacent baffles is 1.9 mm, so that the capacity of the conductive liquid 3 in the formed liquid storage bin is ensured.

Further defined, the conductive copper wire has a diameter dimension of 0.5 millimeters, and is designed for use with efficiency and durability.

Further, each alarm strip is provided with a number, and the design is convenient for accurate positioning.

The beneficial effects of the invention are that:

according to the invention, the main control computer can quickly and accurately determine the place where the accident occurs according to the address of each Internet of things module, so that the hidden danger that the accident site cannot be reached in time is eliminated, and the alarm device is arranged in the expressway guardrail by using lower cost compared with the prior art, thereby achieving the purposes of conveniently and timely knowing the damage to the expressway guardrail and preventing secondary potential safety hazard.

Drawings

The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic diagram of an embodiment of an alarm system for highway guardrails based on liquid conduction according to the present invention;

FIG. 2 is a schematic diagram of a partial cross-sectional structure of an embodiment of an alarm system for highway guardrails based on liquid conduction according to the present invention;

FIG. 3 is a schematic block diagram of the connection of a catheter, an Internet of things module and a host computer of an embodiment of an alarm system for highway guardrails based on liquid conduction of the present invention;

FIG. 4 is a schematic block diagram of an alarm bar connected with a host computer of an embodiment of an alarm system for highway guardrails based on liquid conduction of the invention;

FIG. 5 is a schematic block diagram of a flow chart of an embodiment of an alarm system for a highway barrier based on liquid conduction in accordance with the present invention;

the main reference numerals are as follows:

catheter 1', thing networking module 1, alarm strip 2, film 21, baffle 22, stock solution storehouse 23, electrically conductive liquid 3, electrically conductive copper line 4, master control computer 5.

Detailed Description

In order that those skilled in the art will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 to 5, the alarm system of the highway guardrail based on liquid conduction comprises a plurality of internet of things modules 1, alarm strips 2, conductive liquid 3, conductive copper wires 4 and a main control computer 5 which are connected in series through a conduit 1', wherein the alarm strips 2 are hollow, a film 21 is arranged in the alarm strips 2, the film 21 separates the alarm strips 2 into an upper layer and a lower layer, a plurality of baffles 22 fixed on the alarm strips 2 are arranged on the upper side of the film 21, a liquid storage bin 23 is formed by two adjacent baffles 22, the conductive liquid 3 is positioned in the liquid storage bin 23, two conductive copper wires 4 are respectively clung to two corners at the bottom of the lower side of the film 21, the internet of things modules 1 are connected in series with the alarm strips 2, the conductive copper wires 4 are electrically connected with the internet of things modules 1, and the internet of things modules 1 are connected with the main control computer 5 through signals.

In the embodiment, when an alarm system based on a liquid conductive highway guardrail is used, an x group of alarm strips 2 are arranged on the highway in a long way, and if the highway is longer than y kilometers, y/x is the range covered by one alarm strip; the method comprises the steps that the internet of things modules 1 are sequentially connected in series through sleeves, weak currents are arranged on the conductive copper wires 4, the weak currents are used for detecting whether the conductive copper wires 4 between adjacent conductive copper wires are disconnected or short-circuited, then an alarm signal is sent to a main control computer 5 for testing, and preferably each group of alarm strips 2 are provided with partition numbers, after the main control computer 5 receives alarm information, the alarm strips 2 are rapidly positioned according to the obtained information, after the accident happens, the damaged alarm strips 2 are cut off and replaced by a new section of alarm strips 2, the conductive copper wires 4 inside the alarm strips 2 are correspondingly connected, normal operation can be continued after sealing is finished, during the use, when strong impact occurs, the conductive liquid 3 at the corresponding position is immediately sent to the lower half-layer, so that the two conductive copper wires 4 are short-circuited, signals are sent to the main control computer 5 through the internet of things module 1, and if the alarm strips 2 are violently impacted to cause breakage, the two sides of the sleeve are also provided with the same with the internet of things module 1, the normal operation state is that electric signals are transmitted through the wires, or the short-circuited is carried by the communication protocol, the internet of things module is high in frequency, the communication protocol is required, the internet of things module is applicable to the communication is high, and the communication bandwidth is required, the communication is high, and the communication bandwidth is easy to be configured, and the communication is more than the internet of hardware is required to be configured, and the internet of software, and the communication is more convenient, and the bandwidth can be more convenient, and the communication can be realized.

The thickness of the alarm strip 2 is preferably 0.1 mm, the thickness of the film 21 is preferably 0.05 mm, and the inner film 21 is easy to break due to stress, and in fact, the thickness of the alarm strip 2 and the thickness of the film 21 can be considered according to the specific situation.

Preferably, only one third of the conductive liquid 3 is filled in the liquid storage bins 23, and the liquid storage bins 23 are filled with nitrogen, so that each liquid storage bin 23 is in a saturated state, the alarm strip 2 is broken after being impacted severely, and the alarm strip is not alarmed by small pressure, so that the accuracy and the necessity of alarm are increased, and in fact, the quantity of the conductive liquid 3 in the liquid storage bins 23 can be considered according to specific situations.

The alarm strip 2 is preferably made of polytetrafluoroethylene, the polytetrafluoroethylene is a high molecular polymer prepared by polymerizing tetrafluoroethylene as a monomer, the high molecular polymer is white waxy, semitransparent, heat-resistant and cold-resistant, and can be used for a long time at-180-260 ℃, the material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, is almost insoluble in all solvents, and the characteristic is enough to resist various severe environments on highways, and in fact, the material of the alarm strip 2 can be considered according to specific conditions.

The distance between two adjacent baffles 22 is preferably 1.9 mm, which ensures the capacity of the conductive liquid 3 in the formed reservoir 23, and in practice the distance between two adjacent baffles 22 may be considered as the case may be.

The diameter size of the conductive copper wire 4 is preferably 0.5 mm, and such a design is used with the effect of use and durability, and in practice, the diameter size of the conductive copper wire 4 may be considered as the case may be.

Preferably, each alarm strip 2 is provided with a number, so that the design is convenient for accurate positioning, and in practice, the numbering rule of the alarm strips 2 can be considered according to specific situations.

The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims of this invention, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the invention disclosed herein.

Claims

1. An alarm system of highway guardrail based on liquid is electrically conductive, its characterized in that: the intelligent nitrogen gas alarm device comprises a plurality of Internet of things modules (1), alarm strips (2), conductive liquid (3), conductive copper wires (4) and a master control computer (5) which are connected in series through a conduit (1'), wherein the alarm strips (2) are hollow, a film (21) is arranged in the alarm strips (2), the alarm strips (2) are separated into an upper layer and a lower layer by the film (21), a plurality of baffles (22) fixed on the alarm strips (2) are arranged on the upper side of the film (21), the adjacent two baffles (22) form a liquid storage bin (23), the conductive liquid (3) is positioned in the liquid storage bin (23), the two conductive copper wires (4) are respectively clung to two corners at the bottom of the lower side of the film (21), the Internet of things modules (1) are connected with the alarm strips (2) in series, the conductive copper wires (4) are electrically connected with the Internet of things modules (1), the Internet of things modules (1) are connected with the master control computer (5) by signals, and the thickness of the film (2) is only 0.05 mm, and the thickness of the liquid storage bin (23) is full of one third of the thickness of the liquid;

setting x groups of alarm strips (2) on the expressway, wherein if the expressway is y kilometers long, y/x is a range covered by one alarm strip (2); the method comprises the steps that the internet of things modules (1) are sequentially connected in series through sleeves, weak currents are arranged on the conductive copper wires (4) and used for detecting whether the conductive copper wires (4) between adjacent wires are disconnected or short-circuited, then an alarm signal is sent to a main control computer (5) for testing, each group of alarm strips (2) are numbered according to the partition, after the main control computer (5) receives alarm information, accident ground positioning can be rapidly carried out according to the obtained information, after the accident happens, only the damaged alarm strips (2) are needed to be cut off, a new section of alarm strips (2) is replaced, the conductive copper wires (4) inside the alarm strips (2) are correspondingly connected, and normal operation is continued after sealing is finished.

2. An alarm system for a liquid-based electrically conductive highway barrier according to claim 1 and wherein: the alarm strip (2) is made of polytetrafluoroethylene.

3. An alarm system for a liquid-based electrically conductive highway barrier according to claim 2 and wherein: the distance between two adjacent baffles (22) is 1.9 mm.

4. A liquid conductive highway barrier based warning system according to claim 3 wherein: the diameter of the conductive copper wire (4) is 0.5 mm.

5. An alarm system for a liquid-based conductive highway barrier according to claim 4 and wherein: each alarm strip (2) is provided with a number.