Airfield pavement heating system with service performance index monitoring function

Abstract

The utility model relates to the technical field of road engineering and airfield pavement snow removal, in particular to an airfield pavement heating system with a service performance index monitoring function, which comprises a carbon fiber heating resistor embedded in a pavement structure layer, and the carbon fiber heating resistor is arranged in a snake shape; the plurality of temperature sensors are used for monitoring the pavement temperature and are distributed in a matrix, so that the accuracy of temperature monitoring data is improved; and the thermal imager is used for detecting the working state of the carbon fiber heating resistor by adopting a thermal imaging technology. According to the utility model, the carbon fiber heating resistor is embedded in the pavement structure layer, the pavement temperature is monitored in real time through the plurality of temperature sensors, the data is transmitted to the data processing module in real time through the Internet of Things platform, and the data processing module dynamically adjusts the heating power of the carbon fiber heating resistor according to the temperature data fed back by the temperature sensors; the temperature stress of the road surface is kept in a safe range while snow removal is realized, so that the condition of flight delay caused by damage to the road surface is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to road engineering and airport pavement snow removal technical field, concretely is airport pavement heating system with service performance index monitoring function. BACKGROUND

[0002] The function of airport pavement is to ensure the normal activity of airplane on the ground, which includes parking, taxiing, taking off and landing of airplane. Under the condition of ice and snow weather in winter, the operation condition of airport pavement directly influences the operation and safety of airplane.

[0003] The traditional airport pavement snow removal method such as manual method, mechanical method and chemical snow melting agent method has many deficiencies, such as low snow removal efficiency, incomplete removal, pollution of environment, damage of airplane and pavement, etc. In addition, these methods are mostly post-snow work, which easily causes flight delay and has significant limitation for the airport with high traffic capacity requirement. UTILITY MODEL CONTENT

[0004] The utility model aims at providing airport pavement heating system with service performance index monitoring function to solve the problems of low snow removal efficiency, incomplete removal, pollution of environment, damage of airplane and pavement, mostly post-snow work, easily causing flight delay and having significant limitation for the airport with high traffic capacity requirement.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: airport pavement heating system with service performance index monitoring function, comprising:

[0006] Carbon fiber heating resistance embedded in pavement structure layer, and the carbon fiber heating resistance is arranged in a serpentine shape;

[0007] A plurality of temperature sensors for monitoring pavement temperature, and the plurality of temperature sensors are distributed in a matrix to improve the accuracy of temperature monitoring data;

[0008] Strain sensor and displacement sensor arranged in the pavement structure layer and used for monitoring the stress and deformation condition inside the pavement structure layer;

[0009] Thermal imager for detecting the working state of carbon fiber heating resistance by using thermal imaging technology;

[0010] Temperature control adjustment module for adjusting the working power of carbon fiber heating resistance, and the temperature control adjustment module is used for adjusting the pavement temperature by adjusting the working power of carbon fiber heating resistance;

[0011] Internet of things platform electrically connected with the temperature sensor, the thermal imager, the temperature control adjustment module, the strain sensor and the displacement sensor, respectively;

[0012] Alarm module for playing an alarm role;

[0013] The data processing module is used for receiving data transmitted by the Internet of Things platform and issuing control instructions to the Internet of Things platform and the alarm module.

[0014] Preferably, the carbon fiber heating resistance is 48k, and has an outer diameter size of 6-8mm and a wire core of less than 1.2mm, and the surface of the carbon fiber heating resistance is wrapped with an outer protective layer having insulation and heat conduction functions.

[0015] Preferably, the serpentine laying interval of the carbon fiber heating resistance is 10cm, and the laying power of the carbon fiber heating resistance is 300W / m 2 .

[0016] Preferably, the Internet of Things platform is used for receiving data transmitted by the temperature sensor and the thermal imager, and transmitting the data to the data processing module, and transmitting the control instructions issued by the data processing module to the temperature control adjustment module.

[0017] Preferably, the data processing module is used for calculating and analyzing the data transmitted by the temperature sensor and the thermal imager, and judging whether the temperature stress of the pavement is within a safe range.

[0018] Preferably, the alarm module is used for issuing an alarm when the data processing of the data processing module is abnormal.

[0019] Compared with the prior art, the beneficial effects of the present application are:

[0020] 1. The carbon fiber heating resistance is embedded in the pavement structure layer, the pavement temperature is monitored in real time by the plurality of temperature sensors, and the data is transmitted to the data processing module in real time through the Internet of Things platform, the heating power of the carbon fiber heating resistance is dynamically adjusted according to the temperature data fed back by the temperature sensor, the snow removal is realized while ensuring that the pavement temperature stress is kept within a safe range, and the situation that the pavement is damaged to cause flight delay is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 The carbon fiber heating resistance structure of the airport pavement heating system with the service performance index monitoring function of the present application is located in the pavement structure layer.

[0022] Fig. 2 The overall structure system block diagram of the airport pavement heating system with the service performance index monitoring function of the present application.

[0023] In the figure: 1, carbon fiber heating resistance; 2, temperature sensor; 3, thermal imager; 4, temperature control adjustment module; 5, Internet of Things platform; 6, data processing module; 7, alarm module; 8, strain sensor; 9, displacement sensor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figs. 1-2 The utility model provides a technical scheme: airport pavement heating system with service performance index monitoring function, comprising:

[0026] Carbon fiber heating resistance 1 is embedded in the pavement structure layer, and the carbon fiber heating resistance 1 is serpentine arrangement, the carbon fiber heating resistance 1 is 48k (1k=1000 carbon fiber resistance wire), and for the outer diameter size 6-8mm, wire core ≤1.2mm, and the surface of carbon fiber heating resistance 1 is wrapped with the outer protective layer with insulating and heat conducting function, the serpentine laying interval of carbon fiber heating resistance 1 is 10CM, and the laying power of carbon fiber heating resistance 1 is 300W / m 2 ;

[0027] A plurality of temperature sensors 2 for monitoring pavement temperature, and the plurality of temperature sensors 2 are matrix distribution, so as to improve the accuracy of temperature monitoring data, the plurality of temperature sensors 2 are arranged according to the pavement structure characteristics, to ensure the accuracy of monitoring data;

[0028] Thermal imager 3 for detecting the working state of carbon fiber heating resistance 1 by using thermal imaging technology, wherein the thermal imager 3 uses thermal imaging technology to observe the carbon fiber heating resistance 1 in the pavement structure concrete, checks whether the carbon fiber heating resistance 1 is in normal working state, if abnormal is found, the system can issue an alarm, and automatic adjustment or manual maintenance is carried out;

[0029] The strain sensor 8 and the displacement sensor 9 are arranged in the pavement structure layer and used for monitoring the stress and deformation conditions inside the pavement structure layer, wherein the plurality of temperature sensors 2 are arranged in a matrix along the thickness direction and the vertical direction in the airport pavement structure layer and used for monitoring the temperature distribution conditions at various positions of the pavement, the strain sensor 8 is arranged at the two ends of the middle part of the pavement structure layer, and the displacement sensor 9 is arranged below the strain sensor 8, wherein the strain sensor 8 is used for monitoring the stress change in the pavement structure layer, and the displacement sensor 9 is used for monitoring the deformation condition in the pavement structure layer, wherein the stress data can reflect the compression stress and tensile stress conditions of the pavement material, the high stress value indicates that the pavement bears an excessive load or a larger temperature change, and the displacement data can reflect the deformation condition of the pavement, including the displacement change of the pavement caused by temperature difference, heavy aircraft taxiing, pavement material fatigue and the like, and the displacement monitoring can help to detect whether the pavement is damaged, such as settlement, warping or cracking.

[0030] The temperature control adjustment module 4 is used for adjusting the working power of the carbon fiber heating resistor 1, and the temperature control adjustment module 4 is used for adjusting the temperature of the pavement by adjusting the working power of the carbon fiber heating resistor 1.

[0031] The Internet of Things platform 5 is electrically connected with the temperature sensor 2, the thermal imager 3, the temperature control adjustment module 4, the strain sensor 8 and the displacement sensor 9 respectively, the Internet of Things platform 5 is used for receiving the data transmitted by the temperature sensor 2 and the thermal imager 3, and transmitting the data to the data processing module 6, and transmitting the control instruction issued by the data processing module 6 to the temperature control adjustment module 4.

[0032] The alarm module 7 is used for alarming when the data processing of the data processing module 6 is abnormal.

[0033] The data processing module 6 is used for communicating with the Internet of Things platform 5 and the alarm module 7, and the data processing module 6 is used for receiving the data transmitted by the Internet of Things platform 5, and issuing the control instruction to the Internet of Things platform 5 and the alarm module 7, and the data processing module 6 is used for calculating and analyzing the data transmitted by the temperature sensor 2 and the thermal imager 3, and judging whether the temperature stress of the pavement is in a safe range.

[0034] Working principle: in use, the utility model embeds the carbon fiber heating resistor 1 in the pavement structure layer, wherein the carbon fiber heating resistor 1 adopts 48k specification (1k = 1000 carbon fiber resistor wires), the outer diameter is 6-8mm, the wire core diameter is less than or equal to 1.2mm, the embedding depth is 4cm, and the carbon fiber heating resistor 1 is laid in a serpentine shape, the serpentine laying spacing of the carbon fiber heating resistor 1 is 10cm, and the laying power is 300W / m 2，And a plurality of temperature sensors 2 are arranged in a matrix on the surface of the pavement panel, real-time monitoring of pavement temperature changes, temperature sensor 2 The data collected by the Internet of Things platform 5 is transmitted to the data processing module 6 in real time, and the data processing module 6 dynamically adjusts the heating power of the carbon fiber heating resistor 1 according to the temperature data fed back by the temperature sensor 2, so as to ensure that the pavement temperature stress is kept within a safe range.

[0035] The present application can analyze the stress and displacement characteristics of the pavement under different heating powers of the carbon fiber heating resistor 1 by long-term monitoring of stress and displacement data by the strain sensor 8 and the displacement sensor 9, and can help to evaluate the fatigue of the pavement material by combining the stress and displacement data, so as to predict the remaining service life of the pavement. If there is a significant change in stress and displacement in a short period of time, it indicates that the heating power of the carbon fiber heating resistor 1 is high, and the heating power of the carbon fiber heating resistor 1 can be adjusted according to the detected stress and displacement data to avoid cracking of the pavement material due to thermal expansion and contraction, thereby affecting the safety of the aircraft taxiing.

[0036] After the system is installed, a test run is performed, the control power of the carbon fiber heating resistor 1 is turned on, and the heating power of the carbon fiber heating resistor 1 is gradually increased to ensure that the heating effect of the system meets the design requirements. The thermal imager 3 is used to monitor the carbon fiber heating resistor 1, and the thermal imaging technology of the thermal imager 3 can detect the temperature distribution inside the pavement in real time, help to judge the working state of the carbon fiber heating resistor 1, and ensure that the heating element is in normal working state. If an abnormality is found, the system can issue an alarm for automatic adjustment or manual maintenance.

[0037] The temperature stress change of the pavement under different climate conditions is tested, and the system parameters are optimized according to the test results. Maintenance work needs to be carried out regularly, including checking the state of the temperature sensor 2 and cleaning the lens of the thermal imager 3 to ensure that the system can operate stably for a long time.

[0038] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An airport pavement heating system with a service performance index monitoring function, characterized in that: The application relates to a carbon fiber heating resistor embedded in a pavement structure layer, and the carbon fiber heating resistor is arranged in a serpentine mode. A plurality of temperature sensors for monitoring the temperature of the pavement are arranged in a matrix mode to improve the accuracy of the temperature monitoring data. Strain sensors and displacement sensors are arranged in the pavement structure layer to monitor the stress and deformation of the pavement structure layer. A thermal imager is arranged to detect the working state of the carbon fiber heating resistor by using a thermal imaging technology. A temperature control adjusting module is arranged to adjust the working power of the carbon fiber heating resistor, and the temperature control adjusting module is used to adjust the temperature of the pavement by adjusting the working power of the carbon fiber heating resistor. An Internet of Things platform is electrically connected with the temperature sensors, the thermal imager, the temperature control adjusting module, the strain sensors and the displacement sensors. An alarm module is arranged to play an alarm role. A data processing module is arranged to communicate with the Internet of Things platform and the alarm module, and the data processing module is used to receive the data transmitted by the Internet of Things platform, and simultaneously transmit the control instructions from the data processing module to the Internet of Things platform and the alarm module. The carbon fiber heating resistor has a diameter of 6-8 mm, a wire core of less than 1.2 mm, and an outer protective layer with insulation and heat conduction functions.

2. The airport pavement heating system with a service performance index monitoring function according to claim 1, characterized in that: The Internet of Things platform is used to receive the data transmitted by the temperature sensors and the thermal imager, and transmit the data to the data processing module, and transmit the control instructions from the data processing module to the temperature control adjusting module.

3. The airport pavement heating system with a service performance index monitoring function according to claim 1, characterized in that: The serpentine laying interval of the carbon fiber heating resistor (1) is 10 CM, and the laying power of the carbon fiber heating resistor (1) is 300 W / m 2 .

4. The airport pavement heating system with a service performance index monitoring function according to claim 1, characterized in that: The data processing module is used to calculate and analyze the data transmitted by the temperature sensors and the thermal imager, and determine whether the temperature stress of the pavement is within a safe range.

5. The airport pavement heating system with a service performance index monitoring function according to claim 1, characterized in that: The alarm module is used to send an alarm when the data processing of the data processing module is abnormal.

6. The airport pavement heating system with a service performance index monitoring function according to claim 1, characterized in that: ​

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