Mass concrete temperature measuring device

By using thermistors and data center modules in large-volume concrete structures, the problems of low accuracy and slow response of traditional monitoring methods have been solved, achieving high-precision real-time temperature monitoring and early warning, and controlling the generation of cracks in large-volume concrete.

CN223769647UActive Publication Date: 2026-01-06CHINA CONSTR THIRD BUREAU GRP (SHENZHEN) CO LTD +1
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Patent Information

Application Number
CN202520025576.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2026-01-06
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Traditional methods for monitoring the temperature of large-volume concrete are not accurate and have a slow response time, making it difficult to meet the needs of real-time monitoring. This can lead to temperature stress exceeding the tensile strength of the concrete, resulting in cracks.

Method used

A positioning cylinder is fixed on a vertical steel bar, and a thermistor is connected below the positioning cylinder. The status of the indicator light is controlled by the change in resistance value. Combined with the data center module and the adjustment module, high-precision real-time temperature monitoring and early warning can be achieved.

Benefits of technology

It achieves high-precision, low-cost real-time temperature monitoring, reduces the impact of human factors, improves the timeliness of temperature control for large-volume concrete, and helps control the formation of cracks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mass concrete temperature measuring device, which belongs to the technical field of building engineering construction, and comprises a plurality of vertical steel bars arranged in concrete, a positioning cylinder is fixed on the vertical steel bars, a thermistor is fixedly connected below the positioning cylinder, the thermistor is respectively connected with a power supply and a detection indicating lamp in series, and the detection indicating lamp is connected with the power supply. The device is installed in the center layer of mass concrete, a path is formed when the resistance value of the thermistor is reduced to a certain degree along with temperature rise, whether the internal temperature of the concrete exceeds a temperature threshold value or not is judged according to the brightness characteristics of the display lamps, and temperature rise abnormal positions are positioned through different display lamps. Therefore, the abnormal temperature rise part of the mass concrete can be treated in time.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the construction technology field of building engineering, specifically relates to a mass concrete temperature measuring device. BACKGROUND

[0002] In the construction of mass concrete structure, the temperature in the concrete rises due to the heat accumulation of cement hydration reaction, and if not controlled, it will lead to temperature stress exceeding the tensile strength of concrete and cracks. At present, the traditional temperature monitoring method has low precision and slow response speed, and it is difficult to meet the real-time monitoring demand. UTILITARIAN CONTENT

[0003] Therefore, the utility model aims at providing a mass concrete temperature measuring device which can quickly sense the temperature of each position in the concrete structure.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The utility model discloses a plurality of vertical steel bars arranged in the concrete, a positioning cylinder is fixed on the vertical steel bar, a thermistor is fixedly connected below the positioning cylinder, and the thermistor is respectively connected with a power supply and a detection indicating lamp in series.

[0006] Further, the positioning cylinder comprises two half-cylinder structures that are folded, and the half-cylinder structures are locked on the vertical steel bar through screws and nuts.

[0007] Further, a ring groove is formed in the lower side of the positioning cylinder, the thermistor is in the form of a ring structure that surrounds the outer side of the vertical steel bar, and a plurality of connecting hooks are further included, the connecting hooks are plastic parts, the upper end of the connecting hook is hung on the ring groove, and the lower end of the connecting hook is hung on the thermistor.

[0008] Further, a data center module for data processing and data integration is further included, and the data center module is connected with the thermistor in series.

[0009] Further, an adjusting module for adjusting the temperature threshold value and the resistance value parameter is further included, and the adjusting module is connected with the thermistor in series.

[0010] The utility model has the advantages of:

[0011] 1. High accuracy and low cost. The device adopts a high-precision thermosensitive sensor, controls the on / off state of the indicating lamp through the change of the resistance value, synchronously reflects the temperature state in the mass concrete, and has high action sensitivity and accuracy. At the same time, the device has simple structure and strong pertinence, and is especially suitable for mass concrete temperature measurement, and has low comprehensive cost.

[0012] 2、Real-time warning, conducive to crack control. The device has obvious advantages over the conventional method, can realize real-time warning, does not need artificial detection, reduces the influence of human factors, improves the timeliness of mass concrete temperature control, and is conducive to mass concrete crack control.

[0013] 3、Detection data traceability, convenient for mass concrete crack reason analysis and evaluation. The device automatically records the temperature measurement time, temperature value and temperature characteristics of each temperature measurement point during detection, which is conducive to mass concrete temperature rise analysis and state evaluation, and provides a basis for judging the effect of subsequent concrete temperature control measures.

[0014] The other advantages, objects and features of the present application will be set forth in the subsequent description, and will in part be obvious to those skilled in the art, or will be learned from the practice of the present application, or will be taught by the skilled in the art from the practice of the present application. The objects and other advantages of the present application can be achieved and obtained by the following description. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to make the purpose, technical scheme and beneficial effects of the present application more clear, the present application provides the following drawings for illustration:

[0016] Fig. 1 The schematic diagram of the installation of the thermistor for the embodiment of the present application is shown in the figure.

[0017] Fig. 2 The distribution diagram of the thermistor for the embodiment of the present application is shown in the figure.

[0018] Fig. 3 The circuit diagram of the temperature measurement device for the embodiment of the present application is shown in the figure.

[0019] The marks in the drawings are as follows: 1, vertical steel bar; 2, positioning cylinder; 21, half-cylinder structure; 22, ring groove; 3, thermistor; 4, connecting lifting hook; 5, data center module; 6, adjustment module; 7, power supply; 8, detection indicator light. DETAILED DESCRIPTION

[0020] As Figs. 1-3The utility model discloses a mass concrete temperature measuring device, including a plurality of setting in the vertical steel bar 1 in concrete, need utilize the vertical steel bar 1 evenly distributes in concrete structure, the vertical steel bar 1 is fixed with a locating cylinder 2, the locating cylinder 2 below fixedly connected with thermistor 3, thermistor 3 has power supply 7 and detection pilot lamp 8 in series respectively, the locating cylinder 2 includes two half cylinder structure 21 that closes, the half cylinder structure 21 is locked on the vertical steel bar 1 through screw and nut, the locating cylinder 2 lower side is equipped with ring groove 22, thermistor 3 is the circular ring structure that surrounds the outside of vertical steel bar 1, still include a plurality of connecting hooks 4, the connecting hook 4 is plastic piece, the connecting hook 4 upper end hangs on ring groove 22, lower end hangs on thermistor 3, still include data center module 5 for data processing and data integration, data center module 5 with thermistor 3 is in series, still include the adjustment module 6 for adjusting temperature threshold value, resistance value parameter, the adjustment module 6 with thermistor 3 is in series.

[0021] This structure is directed to mass concrete structure, thermistor 3 installs in the center layer of mass concrete, and the temperature in concrete structure is inducted and early warned, thermistor 3 is negative temperature coefficient resistance, and the resistance value is lower when the temperature is higher, and the material has shorter action time and smaller current when the ambient temperature is relatively higher, when the resistance value of thermistor 3 decreases to a certain degree with temperature rise, a path is formed, and then whether the temperature in concrete exceeds the temperature threshold value is judged by the display brightness characteristics of detection pilot lamp 8, and the abnormal temperature position is positioned by different display lamps, so that the abnormal temperature position of mass concrete is treated in time, wherein the adjustment module 6 can adjust the adjustment relationship, mass concrete temperature adjustment threshold value, thermistor 3 resistance value parameter, concrete surface temperature parameter, the locating cylinder 2 is rubber material, avoids the temperature induction of thermistor 3, mainly auxiliary for the installation and positioning of thermistor 3 in mass concrete, through the clamping structure of two half cylinders and screw nuts, can be quickly and conveniently fixed on the vertical steel bar 1, through the connecting hook 4 of plastic structure, thermistor 3 is hung, after pouring concrete, the concrete can be wrapped around thermistor 3 to the greatest extent, and the temperature sensing capacity of thermistor 3 is ensured.

[0022] The beneficial effects of the device are: 1. high accuracy, low cost. The device uses a high-precision thermosensitive sensor to control the on / off state of the indicator light through the change of resistance value, which synchronously reflects the temperature state in the mass concrete. The device is simple in structure and highly targeted, especially suitable for mass concrete temperature measurement, and the comprehensive cost is low.

[0023] 2. Real-time early warning, which is beneficial to crack control. The device has obvious advantages over the conventional method, can realize real-time early warning, does not need artificial detection, reduces the influence of human factors, improves the timeliness of mass concrete temperature control, and is beneficial to mass concrete crack control.

[0024] 3. The detection data is traceable, which is convenient for mass concrete crack reason analysis and evaluation. The device automatically records the temperature measurement time, temperature value and temperature characteristics of each temperature measurement point during detection, which is beneficial to mass concrete temperature rise analysis and state evaluation, and provides a judgment basis for the effect of subsequent concrete temperature control measures.

[0025] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present application.

Claims

1. A mass concrete temperature measuring device, characterized by: The utility model relates to a vertical steel bar (1) is arranged in concrete, a positioning cylinder (2) is fixed on the vertical steel bar (1), a thermistor (3) is fixedly connected below the positioning cylinder (2), the thermistor (3) is respectively connected with power (7) and detection indicating lamp (8) in series.

2. Mass concrete temperature measuring device according to claim 1, characterized in that The positioning cylinder (2) includes two half cylinder structures (21) that are folded, the half cylinder structures (21) are locked on the vertical steel bar (1) through screws and nuts.

3. Mass concrete temperature measuring device according to claim 2, characterized in that The lower side of the positioning cylinder (2) is provided with a ring groove (22), the thermistor (3) is in the form of a ring structure around the vertical steel bar (1), further comprising a plurality of connecting hooks (4), the connecting hooks (4) are plastic parts, the upper end of the connecting hooks (4) is hung on the ring groove (22), and the lower end is hung on the thermistor (3).

4. The mass concrete temperature measuring device according to claim 1, characterized by: Further comprising a data center module (5) for data processing and data integration, the data center module (5) is connected in series with the thermistor (3).

5. The mass concrete temperature measuring device according to claim 1, characterized by: Further comprising an adjustment module (6) for adjusting temperature threshold and resistance value parameters, the adjustment module (6) is connected in series with the thermistor (3).