CN214794610U - Bridge expansion joint monitoring system based on sound detection - Google Patents
Bridge expansion joint monitoring system based on sound detection Download PDFInfo
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- CN214794610U CN214794610U CN202023322730.3U CN202023322730U CN214794610U CN 214794610 U CN214794610 U CN 214794610U CN 202023322730 U CN202023322730 U CN 202023322730U CN 214794610 U CN214794610 U CN 214794610U
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Abstract
The utility model provides a bridge expansion joint monitoring system based on sound detects, include: the audio acquisition module consists of a plurality of sound pickups which are uniformly arranged around the expansion joint; the audio frequency collected by the audio frequency collecting module is converted into a digital signal through an audio frequency converter and is output to the recording module, and the recording module is connected to the Internet through a VPN router; the cloud server uploads the digital signals in the recording module to the cloud server through the Internet for storage; and the central control module is connected with the cloud server through the VPN router. The utility model discloses a bridge expansion joint monitoring system based on sound detects has adopted modules such as audio acquisition module, VPN router to realize the intellectual detection system of bridge expansion joint, has avoided artifical detection density that relies on experience to detect not enough, the testing result varies from person to person, detection effect and detection frequency can not guarantee technical problem such as, has improved monitoring validity and rate of accuracy, has avoided bridge safe operation's risk.
Description
Technical Field
The utility model relates to a daily monitoring technology field of bridge expansion joint, concretely relates to bridge expansion joint monitoring system based on sound detects.
Background
The bridge expansion joint is widely applied in the construction industry, is mainly installed between two ends of a bridge body to prevent the bridge deck from deforming in order to adapt to the bridge deck deformation of a highway bridge and a railway bridge; the bridge expansion joint is mainly arranged at the movable end of the upper structure of the bridge and the broken joint of the bridge deck, and plays a role in supporting.
The effect of installation expansion joint is used for guaranteeing that superstructure under temperature variation, concrete shrink and creep to and the load effect, the change of this department can realize, and does not produce extra additional internal force, and can guarantee that the driving is smooth-going. The expansion joints of domestic bridges are usually arranged at the movable end and the abutment of the superstructure, the joints of the superstructure of each joint (hole), and the common highway bridge is usually arranged on a roadway and a sidewalk along the transverse direction of the bridge, and the railings are also required to be interrupted at the joints to ensure the free displacement of the structure and avoid tension cracking; the deck waterproofing layer at the joints should still be properly laid to prevent rain from eroding the load bearing structure. Therefore, the bridge expansion joint is an important link for the normal passing of the bridge.
In conclusion, the bridge expansion joints play a crucial role in bridge floors, the bridge expansion joints inevitably become an important link for daily maintenance of bridges due to the operation characteristics of the bridge expansion joints, the existing inspection is basically distinguished by listening to sound on site manually, the inspection density is insufficient, the detection results are different from person to person, and the final monitoring effects are different; due to the particularity of the installation position of the bridge expansion joint, a plurality of simple monitoring projects are difficult and heavy because the bridge expansion joint needs to be installed on the bridge; the monitoring frequency is necessarily forced to be reduced due to the increased monitoring difficulty, and the safe operation risk is necessarily increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a bridge expansion joint monitoring system based on sound detects adopts modules such as audio acquisition module, VPN router to realize the intellectual detection system at bridge expansion joint, has avoided artifical detection density that relies on experience to detect not enough, testing result varies from person to person, detection effect and detection frequency can not guarantee the scheduling technical problem, has improved monitoring validity and rate of accuracy, has avoided the risk of bridge safe operation.
In order to achieve the above purpose, the utility model discloses a technical scheme who takes is:
a bridge expansion joint monitoring system based on sound detection includes: the audio acquisition module consists of a plurality of sound pickups which are uniformly arranged around the expansion joint; the audio frequency collected by the audio frequency collecting module is converted into a digital signal through an audio frequency converter and is output to the recording module, and the recording module is connected to the Internet through a VPN router; the cloud server is connected with the Internet, and the digital signals in the recording module are uploaded to the cloud server through the Internet for storage; and the central control module is connected with the cloud server through the VPN router.
Furthermore, the intelligent terminal is further included, and the Internet network is logged in through WIFI.
Furthermore, the intelligent terminal is a tablet computer or a mobile phone.
Further, the adapter has 1 ~ 8, and even distribution is in the downside at expansion joint.
Further, the audio converter is an 8-way audio converter module.
Further, the system also comprises a power module which provides electric energy for the audio acquisition module, the recording module and the VPN router.
Further, the power module is a 220V alternating current power supply or a 12V direct current solar battery pack.
Compared with the prior art, the technical scheme of the utility model have following advantage:
(1) the utility model discloses a bridge expansion joint monitoring system based on sound detects, adopt audio acquisition module, module such as VPN router has realized the incessant automatic guardianship of 365 days all the year at bridge expansion joint, the detection density who has avoided artifical to rely on experience to detect is not enough, the testing result varies from person to person, detection effect and detection frequency can not guarantee technical problem such as, monitoring validity and rate of accuracy have been improved, can discover the anomaly at expansion joint the very first time, guide maintenance personnel immediately discover and handle the hidden danger, reduce the trouble that monitoring personnel need frequently go up the bridge, effectively reduce the demand of bridge maintenance to labour, the collection of a large amount of basic operation data provides abundanter basic data and technical support for the digital maintenance of bridge more, the risk of bridge safe operation has been avoided.
(2) The utility model discloses a bridge expansion joint monitoring system based on sound detects uses the VPN router to be used for expansion joint monitoring system network networking service, utilizes current networks such as wired network, WIFI network, 4G (5G) mobile network to found special virtual private network passageway, very big improvement system suitability and very big reduction construction wiring degree of difficulty.
Drawings
The technical solution and the advantages of the present invention will be made apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a structural diagram of a bridge expansion joint monitoring system based on sound detection according to an embodiment of the present invention;
fig. 2 is a diagram showing a layout of a bridge expansion joint monitoring system based on sound detection according to an embodiment of the present invention;
fig. 3 shows that the utility model discloses a bridge expansion joint monitoring system field control cabinet based on sound detection arranges the schematic diagram.
Reference numbers in the figures:
the system comprises an audio acquisition module 1, a sound pickup 11, a recording module 2, an audio converter 3, a cloud server 4, a central control module 5, an intelligent terminal 6 and a power module 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
This embodiment provides a bridge expansion joint monitoring system based on sound detection, as shown in fig. 1 ~ 3, including audio acquisition module 1, recording module 2, cloud ware 4, central control module 5 and intelligent terminal 6, audio acquisition module 1 comprises the adapter 11 that a plurality of evenly sets up around the expansion joint. The audio frequency collected by the audio frequency collecting module 1 is converted into a digital signal through an audio frequency converter 3 and is output to the recording module 2, and the recording module 2 is connected to the Internet through a VPN router. The cloud server 4 is connected with the Internet, and the digital signals in the recording module 2 are uploaded to the cloud server 4 through the Internet to be stored. The central control module 5 is connected with the cloud server 4 through a VPN router.
And the intelligent terminal 6 logs in the Internet network through WIFI. The intelligent terminal 6 is a tablet computer or a mobile phone.
The VPN router is used for network networking service, and is used for establishing a virtual private network by utilizing a public network. Due to the structure of the special virtual network, the data link among the server side, the acquisition side and the client side can greatly utilize the existing perfect public network system, and the problems of difficult wiring and difficult access can be effectively solved without independent wiring. Under the condition of public network access, a manager can use intelligent equipment such as a computer, a smart phone, a smart television and the like to access data, inquire equipment states, process daily alarms and the like by using a WEB or a special client at any time and any place according to the authority.
The system for monitoring the expansion joint further comprises a power module 7 which provides electric energy for the audio acquisition module 1, the recording module 2 and the VPN router. The power module 7 is a 220V alternating current power supply or a 12V direct current solar battery pack.
The above is only the exemplary embodiment of the present invention, and not the limitation of the present invention, all the equivalent structures or equivalent processes of the present invention are used, or directly or indirectly applied to other related technical fields, and the same principle is included in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a bridge expansion joint monitoring system based on sound detects which characterized in that includes:
the audio acquisition module (1) consists of a plurality of sound pickups (11) which are uniformly arranged around the expansion joint;
the audio acquisition module (1) is used for acquiring audio, the audio acquisition module (2) is used for converting the audio into digital signals through an audio converter (3) and outputting the digital signals to the audio recording module (2), and the audio recording module (2) is connected to the Internet through a VPN router;
the cloud server (4) is connected with the Internet, and the digital signals in the recording module (2) are uploaded to the cloud server (4) through the Internet to be stored; and
and the central control module (5) is connected with the cloud server (4) through a VPN router.
2. The bridge expansion joint monitoring system based on sound detection as claimed in claim 1, further comprising an intelligent terminal (6) for logging in an Internet network through WIFI.
3. The bridge expansion joint monitoring system based on sound detection as claimed in claim 2, wherein the intelligent terminal (6) is a tablet computer or a mobile phone.
4. The bridge expansion joint monitoring system based on sound detection as claimed in claim 1, wherein the number of the sound pickup (11) is 1-8, and the sound pickup is uniformly distributed on the lower side of the expansion joint.
5. The bridge expansion joint monitoring system based on sound detection as claimed in claim 4, wherein the audio transducer (3) is an 8-way audio transducer (3) module.
6. The bridge expansion joint monitoring system based on sound detection as claimed in claim 1, further comprising a power module (7) for providing power to the audio acquisition module (1), the recording module (2) and the VPN router.
7. The bridge expansion joint monitoring system based on sound detection as claimed in claim 6, wherein the power supply module (7) is a 220V AC power supply or a 12V DC solar battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023322730.3U CN214794610U (en) | 2020-12-31 | 2020-12-31 | Bridge expansion joint monitoring system based on sound detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023322730.3U CN214794610U (en) | 2020-12-31 | 2020-12-31 | Bridge expansion joint monitoring system based on sound detection |
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| CN214794610U true CN214794610U (en) | 2021-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935373A (en) * | 2022-07-25 | 2022-08-23 | 南京大学 | Bridge expansion joint disease data simulation collection system |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935373A (en) * | 2022-07-25 | 2022-08-23 | 南京大学 | Bridge expansion joint disease data simulation collection system |
| CN114935373B (en) * | 2022-07-25 | 2023-03-17 | 南京大学 | Bridge expansion joint disease data simulation collection system |
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