Road burying device for sensor and road sensing system

By fixing the sensor to the roadbed using the limiting unit and installation unit in the road burial device, the fiber optic grating pressure sensor solves the problem of reduced accuracy caused by the contact between the traditional sensor and the pressure source, thus achieving accuracy and stability in road pressure detection.

CN223576990UActive Publication Date: 2025-11-21LIANYUNGANG HIGHWAY DEV CENT +1
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Patent Information

Application Number
CN202422828635.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-11-21
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Traditional road pressure sensors, which come into direct contact with the pressure source, suffer from reduced accuracy, shortened lifespan, and poor anti-interference capabilities.

Method used

A road-mounted sensor device is used, which fixes the sensor between the first and second mounting units through the first and second limiting units and embeds it as a whole in the roadbed. The sensor is then detected using a fiber optic grating pressure sensor.

Benefits of technology

It enables accurate detection of road pressure, provides reliable data support, ensures that the sensor's detection performance does not affect the normal use of the road, and is simple to install with minimal impact.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of fixing tools, and particularly relates to a road burying device for a sensor and a road sensing system.The road burying device for the sensor comprises a first mounting unit, a plurality of first limiting units, a second mounting unit and a plurality of second limiting units; each first limiting unit is arranged on the first mounting unit; each second limiting unit penetrates through the second mounting unit, each second limiting unit is in limiting connection with the corresponding first limiting unit, and each sensor is fixed between the first mounting unit and the second mounting unit; the sensors are mounted between the first mounting unit and the second mounting unit through the first limiting unit and the second limiting unit, and are integrally embedded in the roadbed of the road, so that the pressure change borne by the road can be accurately detected, reliable data support is provided for traffic management and road maintenance, and the safety of the road is improved. And the sensor can be ensured to give full play to the detection performance without influencing the normal use of the road.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to fixed frock technical field, concretely relates to a sensor is with road burying device and road sensing system. BACKGROUND

[0002] In the field of intelligent transportation and infrastructure detection, it is necessary to monitor the road pressure in real time, but the traditional road pressure sensor (such as resistance strain gauge and piezoelectric sensor) directly contacts the pressure source, resulting in reduced accuracy, shortened service life and poor anti-interference ability.

[0003] Therefore, it is urgent to develop a new sensor road burying device and road sensing system to solve the technical problems of how to overcome the detection performance reduction caused by the direct contact of the traditional road pressure sensor with the pressure source and the influence on the normal use of the road.

[0004] It should be noted that the above information disclosed in the background section is only used to understand the background of the present application, and therefore, the above description is not considered to constitute prior art information. INVENTION CONTENTS

[0005] The present disclosure provides at least a sensor road burying device and a road sensing system.

[0006] In a first aspect, the present disclosure provides a sensor road burying device, comprising: a first mounting unit, a plurality of first limiting units, a second mounting unit and a plurality of second limiting units; wherein each of the first limiting units is arranged on the first mounting unit to limit the corresponding sensor; each of the second limiting units passes through the second mounting unit, and each of the second limiting units is connected with the corresponding first limiting unit to fix the sensor between the first mounting unit and the second mounting unit.

[0007] In an optional embodiment, the first mounting unit comprises a first mounting plate; the width of the first mounting plate is greater than the diameter of the sensor, and the length of the first mounting plate is greater than the diameter of the sensor.

[0008] In an optional embodiment, the first limiting unit comprises at least three first limiting members; the three first limiting members are fixed longitudinally on the first mounting plate, and a limiting space is formed between the three first limiting members for limiting the sensor.

[0009] In an optional embodiment, the first limiting member is in a tubular shape, and a first threaded portion is arranged on the inner wall of the first limiting member.

[0010] In an alternative embodiment, the first mounting unit comprises: a second mounting plate; the width of the second mounting plate is greater than the diameter of the sensor, and the length of the second mounting plate is greater than the diameter of the sensor; a plurality of through holes are formed in the second mounting plate, and each second limiting unit passes through a corresponding through hole.

[0011] In an alternative embodiment, the second limiting unit comprises: at least three second limiting members; the three second limiting members pass through the corresponding through holes, respectively, until the three second limiting members are limitedly connected with the corresponding first limiting members, respectively.

[0012] In an alternative embodiment, the second limiting member comprises: a limiting column and a limiting cap; the limiting cap is fixed at one end of the limiting column, the diameter of the limiting column is not greater than the diameter of the through hole, and the diameter of the limiting cap is greater than the diameter of the through hole; a second threaded portion is arranged on the outer wall of the limiting column.

[0013] In an alternative embodiment, the sensor road burying device further comprises: a filling unit; the filling unit is located between the first mounting unit and the second mounting unit.

[0014] In an alternative embodiment, the filling unit comprises: a plurality of filling blocks; the surface of the filling block is provided with a buffer layer.

[0015] In another aspect, the embodiments of the present disclosure provide a road sensing system, which comprises: a sensor road burying device as described above and a plurality of sensors; wherein each sensor is fixedly installed in the sensor road burying device in sequence, and the sensor road burying device is embedded in a road subgrade.

[0016] The beneficial effects of the present application are that, by installing each sensor between the first mounting unit and the second mounting unit through the first limiting unit and the second limiting unit, and embedding the whole in the road subgrade, the pressure change borne by the road can be accurately detected, reliable data support is provided for traffic management and road maintenance, and the sensor can fully play the detection performance without affecting the normal use of the road.

[0017] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned from practice of the application. The objects and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

[0018] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 A structural diagram of a sensor road burying device provided by the embodiment of the present application is provided.

[0021] Figure 2 A structural diagram of a first mounting unit provided by the embodiment of the present application is provided.

[0022] Figure 3 A structural diagram of a second mounting unit provided by the embodiment of the present application is provided.

[0023] Figure 4 A structural diagram of a second limiting unit provided by the embodiment of the present application is provided.

[0024] In the drawings:

[0025] 1, first mounting unit; 11, first mounting plate;

[0026] 2, first limiting unit; 21, first limiting piece; 211, first threaded part;

[0027] 3, second mounting unit; 31, second mounting plate; 311, through hole;

[0028] 4, second limiting unit; 41, second limiting piece; 411, limiting column; 4111, second threaded part; 412, limiting cap;

[0029] 5, sensor. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the present application will be described clearly and completely in conjunction with the drawings. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] The terminology used herein is for the purpose of describing particular example configurations only and is not intended to be limiting. As used herein, the singular forms "a," "an," and "the" can be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having," are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order

[0032] As used herein, the phrases "in an embodiment," "according to an embodiment," "in some embodiments," and the like, generally mean the particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of the present disclosure. Thus, appearances of such phrases in various places throughout this specification do not necessarily all refer to the same embodiment. As used herein, the terms "for example," "e.g.," and the like, indicate that the named item is one of a possible plurality of alternatives. Any embodiment, aspect or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments, aspects or designs. Rather, the use of the terms "example" and "exemplary" is intended to present concepts in a concrete fashion. As used herein, the term "include" and derivatives thereof mean that something is included, but not to the exclusion of something else. Nothing is excluded from the description unless explicitly denoted as such.

[0033] It is to be noted that like-numbers and like-letters on the figures identify corresponding items, and thus, once an item is defined in one figure, it is not necessarily redefined in a subsequent figure.

[0034] Some embodiments of the present application will now be described in detail in connection with the accompanying drawings. The following embodiments and features are merely exemplary and are not intended to limit the scope of the present application, as defined by the appended claims. Embodiments described below can be combined with each other, where appropriate.

[0035] As shown in the drawings, Figures 1 to 4 At least one embodiment provides a sensor road burying device, which comprises a first mounting unit 1, a plurality of first limiting units 2, a second mounting unit 3 and a plurality of second limiting units 4; each of the first limiting units 2 is arranged on the first mounting unit 1, so that each of the first limiting units 2 limits the corresponding sensor 5; each of the second limiting units 4 passes through the second mounting unit 3, and each of the second limiting units 4 is limitedly connected with the corresponding first limiting unit 2, so as to fix each sensor 5 between the first mounting unit 1 and the second mounting unit 3.

[0036] Specifically, a mounting groove is reserved on the road subgrade to be installed, and the installation position is ensured to be adapted to the detection requirement of the sensor 5, the sensor 5 is arranged along the direction of the mounting groove, and the sensor 5 is fixed by the first mounting unit 1 to avoid displacement and keep horizontal, the fiber grating is connected with each sensor 5 by a special device to ensure the stability and accuracy of signal transmission, the mounting groove is filled to make the sensor 5 flush with the surface of the subgrade, the second mounting unit 3 is placed above the sensor 5, the first mounting unit 1 is fixedly connected with the second mounting unit 3 by cooperation of each second limiting unit 4 with the corresponding first limiting unit 2, and the sensor 5 is tightly fitted, which has the advantages of simple construction, small influence on the road structure, high detection sensitivity and good long-term stability, and can be widely applied to different types of road pressure monitoring and data acquisition systems.

[0037] Specifically, the sensor 5 specifically adopts a fiber grating pressure sensor 5.

[0038] In at least one embodiment, by mounting each sensor 5 between the first mounting unit 1 and the second mounting unit 3 through the first limiting unit 2 and the second limiting unit 4 and integrally embedding in the road subgrade, the pressure change borne by the road can be accurately detected to provide reliable data support for traffic management and road maintenance, and the sensor 5 can fully play the detection performance without affecting the normal use of the road.

[0039] In at least one embodiment, referring to Figure 2 , the first mounting unit 1 comprises a first mounting plate 11, the width of the first mounting plate 11 is greater than the diameter of the sensor 5, and the length of the first mounting plate 11 is greater than the diameter of the sensor 5.

[0040] Specifically, the first mounting plate 11 is a steel plate, the thickness of the first mounting plate 11 is 0.5-1cm, and the thickness of the first mounting plate 11 is preferably 0.75cm.

[0041] In at least one embodiment, referring to Figure 2 , the first limiting unit 2 comprises at least three first limiting members 21, three first limiting members 21 are fixed longitudinally on the first mounting plate 11, and a limiting space is formed between the three first limiting members 21 for limiting placement of the sensor 5.

[0042] Specifically, four first limiting members 21 are arranged on the first mounting plate 11, and each first limiting member 21 is connected with the second limiting unit 4.

[0043] Specifically, the sensor 5 has a cylindrical structure, and fiber connection lines are symmetrically arranged at left and right ends, single-channel communication measurement and series sensor 5 communication measurement can be realized, and the wiring of the sensor 5 is covered with high-temperature-resistant material.

[0044] In at least one embodiment, referring to Figure 2 The first limiting piece 21 is in a tubular shape, and a first threaded portion 211 is arranged on the inner wall of the first limiting piece 21.

[0045] Specifically, each first limiting piece 21 is fixed to the second limiting unit 4 through the first threaded portion 211.

[0046] In at least one embodiment, referring to Figures 3 to 4 The first mounting unit 1 comprises a second mounting plate 31; the width of the second mounting plate 31 is greater than the diameter of the sensor 5, and the length of the second mounting plate 31 is greater than the diameter of the sensor 5; a plurality of through holes 311 are arranged on the second mounting plate 31, and each second limiting unit 4 passes through a corresponding through hole 311.

[0047] Specifically, the second mounting plate 31 is a steel plate, the thickness of the second mounting plate 31 is 0.8-1cm, and the thickness of the second mounting plate 31 is preferably 0.9cm.

[0048] In at least one embodiment, referring to Figures 3 to 4 The second limiting unit 4 comprises at least three second limiting pieces 41; three second limiting pieces 41 pass through corresponding through holes 311, and the three second limiting pieces 41 are respectively connected to the corresponding first limiting pieces 21.

[0049] Specifically, four second limiting pieces 41 are arranged, each second limiting piece 41 passes through a corresponding through hole 311 and is connected to the first limiting piece 21, thereby fixing the first mounting plate 11 and the second mounting plate 31.

[0050] In at least one embodiment, referring to Figures 3 to 4 The second limiting piece 41 comprises a limiting column 411 and a limiting cap 412; the limiting cap 412 is fixed to one end of the limiting column 411, the diameter of the limiting column 411 is not greater than the diameter of the through hole 311, the diameter of the limiting cap 412 is greater than the diameter of the through hole 311; and a second threaded portion 4111 is arranged on the outer wall of the limiting column 411.

[0051] Specifically, the limiting column 411 is screwed with the first limiting piece 21 through the second threaded portion 4111, thereby being fixed.

[0052] In at least one embodiment, the road burying device for the sensor 5 further comprises a filling unit; the filling unit is located between the first mounting unit 1 and the second mounting unit 3.

[0053] In at least one embodiment, the filling unit comprises a plurality of filling blocks; a buffer layer is arranged on the surface of the filling block.

[0054] Specifically, the remaining space in the groove is filled with appropriate filling blocks to make the road subgrade surface flat and compact, ensure the surface smooth and consistent with the surrounding subgrade area, and avoid affecting the paving construction of the subsequent surface layer.

[0055] Based on the same technical concept, at least one embodiment also provides a road sensing system, comprising: the sensor 5 for road burying device and a plurality of sensors 5 as described above;Wherein each of the sensors 5 is fixedly installed in the sensor 5 for road burying device in turn, and the sensor 5 for road burying device is embedded in the road subgrade.

[0056] In summary, the utility model discloses a sensor is installed between the first mounting unit and the second mounting unit through the first limiting unit and the second limiting unit, and is embedded in the road subgrade as a whole, can accurately detect the pressure change of the road, provides reliable data support for traffic management and road maintenance, and can guarantee that the sensor can fully play the detection performance, and does not affect the normal use of the road.

[0057] Although this patent document contains many details, it should not be interpreted as limiting the scope of any utility model or claim, but as a description of the features of a particular utility model of a particular embodiment. Some features described in the context of separate embodiments in this patent document can also be implemented in a single embodiment. Conversely, various functions described in the context of a single embodiment can be implemented separately in multiple embodiments, or in any suitable subcombination. Furthermore, although the above features can be described as functioning in certain combinations, even if originally claimed as such, in some cases one or more features from a claimed combination can be removed and the claim can be directed to a subcombination or variation of a subcombination.

[0058] Similarly, although the operations are described in a particular order in the drawings, this should not be understood as requiring such operations to be performed in the particular order shown or in sequential order, or to perform all of the described operations. Furthermore, the separation of various system components in the embodiments of this patent document should not be understood as requiring such separation in all embodiments.

Claims

1. A road-embedded sensor device, characterized in that, include: A first mounting unit, a plurality of first limiting units, a second mounting unit, and a plurality of second limiting units; in Each of the first limiting units is respectively arranged on the first mounting unit so that each of the first limiting units limits the corresponding sensor; Each of the second limiting units passes through the second mounting unit, and each of the second limiting units is respectively limited and connected to the corresponding first limiting unit to fix each sensor between the first mounting unit and the second mounting unit.

2. The sensor road installation device as described in claim 1, characterized in that, The first mounting unit includes: a first mounting plate; The width of the first mounting plate is greater than the diameter of the sensor, and the length of the first mounting plate is greater than the diameter of the sensor.

3. The sensor road installation device as described in claim 2, characterized in that, The first limiting unit includes: at least three first limiting members; The three first limiting members are longitudinally fixed to the first mounting plate, and a limiting space is formed between the three first limiting members to limit the placement of the sensor.

4. The sensor road installation device as described in claim 3, characterized in that, The first limiting member is tubular in shape, and a first threaded portion is provided on the inner wall of the first limiting member.

5. The sensor road installation device as described in claim 3, characterized in that, The first mounting unit includes: a second mounting plate; The width of the second mounting plate is greater than the diameter of the sensor, and the length of the second mounting plate is greater than the diameter of the sensor. The second mounting plate has several through holes, and each of the second limiting units passes through the corresponding through hole.

6. The sensor road installation device as described in claim 5, characterized in that, The second limiting unit includes at least three second limiting members; The three second limiting members pass through the corresponding through holes until the three second limiting members are respectively limited and connected to the corresponding first limiting members.

7. The sensor road installation device as described in claim 6, characterized in that, The second limiting component includes: a limiting post and a limiting cap; The limiting cap is fixed to one end of the limiting post. The diameter of the limiting post is not greater than the diameter of the through hole, and the diameter of the limiting cap is greater than the diameter of the through hole. The outer wall of the limiting post is provided with a second threaded part.

8. The sensor road installation device as described in claim 1, characterized in that, Also includes: Filling cells; The filling unit is located between the first mounting unit and the second mounting unit.

9. The sensor road installation device as described in claim 8, characterized in that, The filling unit includes: a plurality of filling blocks; The surface of the filling block is provided with a buffer layer.

10. A road sensing system, characterized in that, include: The sensor road installation device and several sensors as described in any one of claims 1-9; in Each of the sensors is sequentially fixedly installed in the road burial device for sensors, and the road burial device for sensors is embedded in the roadbed.