CN-121995998-A - Intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control

CN121995998ACN 121995998 ACN121995998 ACN 121995998ACN-121995998-A

Abstract

The invention provides an intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control, which relates to the technical field of building equipment, and is used for uniformly dividing concrete to obtain a plurality of concrete partitions, wherein the system comprises a sensor module, a central control module and a temperature and humidity adjusting module; the central control module is used for obtaining a temperature gradient value and a temperature average value according to the temperature field data, obtaining an average humidity value according to the humidity data, and controlling the temperature and humidity adjusting module to heat, cool or humidify each concrete partition according to the temperature gradient value, the temperature average value and the average humidity value. The invention realizes the real-time monitoring and control of the internal temperature gradient of the mass concrete, thereby effectively preventing the generation of temperature cracks and improving the overall durability and structural safety of the concrete.

Inventors

ZENG SHICHAO
WANG ZHIQIANG
ZHAO HONG
LI YANG
JI KE
ZHANG YANCHENG
LIU WENCAI
XUE ZHIPENG
ZHANG ZICHUAN
FENG DONGMING
CHEN ZHIJIE
MA FEI
ZHAO ZHONGKAI

Assignees

中铁三局集团第四工程有限公司
长安大学
中铁三局集团有限公司

Dates

Publication Date: 20260508
Application Date: 20260123

Claims (9)

1. The intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control uniformly partitions concrete to obtain a plurality of concrete areas, and is characterized by comprising a sensor module, a central control module and a temperature and humidity regulation module; The sensor module is used for acquiring temperature field data and humidity data of each concrete partition; The temperature and humidity regulation module comprises a plurality of temperature regulation units, a plurality of heating units and a plurality of spraying units, wherein each concrete partition corresponds to one temperature regulation unit, one heating unit and one spraying unit; the temperature regulating unit is a circulating water cooling device; The central control module is used for obtaining a temperature gradient value and a temperature average value according to the temperature field data, controlling the heating unit to heat the concrete partition when the temperature average value is lower than a temperature set value, and obtaining cooling water flow according to the temperature gradient value and controlling the circulating water cooling device when the temperature average value is higher than the temperature set value; And the central control module is used for acquiring an average humidity value according to the humidity data, and when the average humidity value is smaller than a set humidity threshold value, the central control module controls the spraying unit to humidify the concrete partition.
2. The intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control according to claim 1, wherein the sensor module comprises a temperature sensor unit and a humidity sensor unit; The temperature sensor unit is used for acquiring the temperature field data of each concrete partition; The humidity sensor unit is used for acquiring humidity data of each concrete partition.
3. The intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control according to claim 2, wherein the temperature sensor unit adopts a distributed optical fiber temperature sensor network; The distributed optical fiber temperature sensor network is distributed in the concrete and on the surface layer.
4. The intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control according to claim 1, wherein the central control module comprises a data processing unit and a central control unit; the data processing unit is used for converting each temperature field data from an analog signal to a digital signal to obtain a plurality of digital temperature field data and transmitting the digital temperature field data to the central control unit; The central control unit is used for obtaining a temperature gradient value and a temperature average value according to the digital temperature field data, and controlling the heating unit to heat the concrete partition corresponding to the digital temperature field data when the temperature average value is lower than the temperature set value; And the central control unit is used for acquiring an average humidity value according to the humidity data, and when the average humidity value is smaller than a set humidity threshold value, the central control unit controls the spraying unit corresponding to the digital temperature field data to humidify the concrete partition.
5. The intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control according to claim 4, wherein the temperature gradient value expression is: ; Wherein, the Is the temperature gradient value at the time t, Is the maximum value of the digital temperature field data at time t, Is the minimum value of the digital temperature field data at time t.
6. The intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control according to claim 5, wherein the cooling water flow expression is: ; Wherein, the The flow of cooling water at the time t+1, For the deviation of the temperature gradient at time t, , In order to set the safe temperature gradient threshold value, For the temperature gradient deviation at the moment of the integration time variable t, t e 0, t, As a result of the differential control coefficient, Is used as a control coefficient of the proportion, Is an integral control coefficient.
7. The intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control according to claim 1, wherein the sensor module obtains the temperature field data of each concrete partition according to a set sampling period; The central control module judges the temperature gradient value, reduces the set sampling period when the temperature gradient value at n continuous moments is smaller than or equal to a set temperature gradient threshold value, and restores the set sampling period to an initial value when the temperature gradient value is larger than the set temperature gradient threshold value.
8. The intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control according to claim 1, wherein the system further comprises a data storage module; the data storage module is used for storing the temperature field data, the humidity data and the cooling water flow.
9. The intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control according to claim 1, wherein the system further comprises a remote monitoring module; the remote monitoring module is used for displaying the temperature field data, the humidity data and the cooling water flow.

Description

Intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control Technical Field The invention relates to the technical field of building equipment, in particular to an intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control. Background In the pouring process of the mass concrete, the cement hydration reaction releases a large amount of heat, and the external temperature is low, so that the internal temperature gradient of the concrete is easy to form, the thermal stress is concentrated, and the temperature crack is further initiated. Such temperature cracks not only affect the compressive strength of the concrete, but also reduce its durability and long-term service performance. The traditional curing method is mostly dependent on experience to control the temperature, but the temperature distribution in the concrete cannot be regulated accurately in real time. Disclosure of Invention The invention aims to provide an intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control, which realizes real-time monitoring and regulation of the internal temperature gradient of mass concrete, thereby effectively preventing the generation of temperature cracks and improving the overall durability and structural safety of the concrete. The intelligent concrete curing system based on intelligent sensing and temperature difference self-adaptive control uniformly partitions concrete to obtain a plurality of concrete areas, and is characterized by comprising a sensor module, a central control module and a temperature and humidity regulation module; The sensor module is used for acquiring temperature field data and humidity data of each concrete partition; The temperature and humidity regulation module comprises a plurality of temperature regulation units, a plurality of heating units and a plurality of spraying units, wherein each concrete partition corresponds to one temperature regulation unit, one heating unit and one spraying unit; the temperature regulating unit is a circulating water cooling device; The central control module is used for obtaining a temperature gradient value and a temperature average value according to the temperature field data, controlling the heating unit to heat the concrete partition when the temperature average value is lower than a temperature set value, and obtaining cooling water flow according to the temperature gradient value and controlling the circulating water cooling device when the temperature average value is higher than the temperature set value; And the central control module is used for acquiring an average humidity value according to the humidity data, and when the average humidity value is smaller than a set humidity threshold value, the central control module controls the spraying unit to humidify the concrete partition. Optionally, the sensor module includes a temperature sensor unit and a humidity sensor unit; The temperature sensor unit is used for acquiring the temperature field data of each concrete partition; The humidity sensor unit is used for acquiring humidity data of each concrete partition. Optionally, the temperature sensor unit adopts a distributed optical fiber temperature sensor network; The distributed optical fiber temperature sensor network is distributed in the concrete and on the surface layer. Optionally, the central control module comprises a data processing unit and a central control unit; the data processing unit is used for converting each temperature field data from an analog signal to a digital signal to obtain a plurality of digital temperature field data and transmitting the digital temperature field data to the central control unit; The central control unit is used for obtaining a temperature gradient value and a temperature average value according to the digital temperature field data, and controlling the heating unit to heat the concrete partition corresponding to the digital temperature field data when the temperature average value is lower than the temperature set value; And the central control unit is used for acquiring an average humidity value according to the humidity data, and when the average humidity value is smaller than a set humidity threshold value, the central control unit controls the spraying unit corresponding to the digital temperature field data to humidify the concrete partition. Optionally, the temperature gradient value expression is: ; Wherein, the Is the temperature gradient value at the time t,Is the maximum value of the digital temperature field data at time t,Is the minimum value of the digital temperature field data at time t. Optionally, the cooling water flow expression is: ; Wherein, the The flow of cooling water at the time t+1,For the deviation of the temperature gradient at time t,,In order to set the safe temperature gradient threshold value,For the temp