CN111812209B - A pavement icing detection device and method - Google Patents
A pavement icing detection device and methodInfo
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- CN111812209B CN111812209B CN202010542529.1A CN202010542529A CN111812209B CN 111812209 B CN111812209 B CN 111812209B CN 202010542529 A CN202010542529 A CN 202010542529A CN 111812209 B CN111812209 B CN 111812209B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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Abstract
本发明公开了一种道面结冰检测装置，包括壳体（1）、毛细采水组件（2）、储水组件（3）和检测组件（4）；所述储水组件（3）设置在壳体（1）内，所述毛细采水组件（2）与储水组件（3）紧密连接，所述检测组件设置在储水组件（3）上。及利用该装置的检测方法。本发明设置由毛细管束或者毛细作用材料构成的毛细采水组件，能够将道面上的水通过毛细作用转移至储水组件上，实现道面水情及时采样，保证道面与储水组件能够同时结冰。本发明通过设置由毛细作用材料构成的储水组件，能够存储由毛细采水组件采集的地面水样，保证道面与储水组件能够同时结冰，从而实现道面结冰实时检测。本发明通过将检测组件设置在储水组件上进行道面结冰仿真检测，不会破坏道面，且不会被道面污染影响准确度。
This invention discloses a pavement icing detection device, comprising a housing (1), a capillary water sampling component (2), a water storage component (3), and a detection component (4); the water storage component (3) is disposed inside the housing (1), the capillary water sampling component (2) is tightly connected to the water storage component (3), and the detection component is disposed on the water storage component (3). The invention also discloses a detection method using this device. The present invention uses a capillary water sampling component made of capillary bundles or capillary action material, which can transfer water from the pavement surface to the water storage component through capillary action, enabling timely sampling of pavement water conditions and ensuring that the pavement surface and the water storage component can freeze simultaneously. The present invention uses a water storage component made of capillary action material, which can store ground water samples collected by the capillary water sampling component, ensuring that the pavement surface and the water storage component can freeze simultaneously, thereby achieving real-time detection of pavement icing. The present invention uses a detection component disposed on the water storage component for pavement icing simulation detection, which does not damage the pavement surface and is not affected by pavement contamination, thus ensuring accuracy.
Description
Technical Field
The invention relates to the field of traffic safety, in particular to a road surface icing detection device and method applied to a road.
Background
The existing icing detection device is mostly based on the principles of capacitance detection, optical fiber reflection signal detection, infrared laser emission signal detection and the like. The capacitive icing sensor can obtain more accurate data when measuring relatively pure objects to be measured, but pollution elements in natural environment can seriously influence measurement data, for example, in road traffic environment, the measurement result of dielectric constants can be seriously influenced by substances such as electrolyte content and sediment of road surface water, the optical fiber icing sensor is also seriously influenced by road surface pollution, the pollutant such as sludge on the road surface can pollute the transmitting and receiving end surfaces of the optical fiber, infrared detection light beams can not pass through an icing layer and are reflected back to the receiving end at different medium interfaces, the mode can hardly be practically applied in high-pollution environments, the acoustic icing sensor can be widely applied only if the reflection rate of the detected environment is high, the acoustic icing sensor can be widely applied, and the technology scheme is not suitable for being widely applied only if the reflection rate of the detected environment is high.
Disclosure of Invention
The invention aims to provide a road surface icing detection device and a detection method applied to a road. The detection device can detect the road surface icing, the road surface can not be damaged in installation, the accuracy can not be influenced by road surface pollution, the price is low, and the application prospect is wide.
The road surface icing detection device comprises a shell, a capillary water collection assembly, a water storage assembly and a detection assembly, wherein the water storage assembly is arranged in the shell, the capillary water collection assembly is tightly connected with the water storage assembly, and the detection assembly is arranged on the water storage assembly.
The shell is box-shaped, a supporting bracket is arranged in the shell, and the water storage component is arranged on the supporting bracket.
The capillary water collecting assembly is a capillary tube bundle, one end of the capillary water collecting assembly extends to the bottom of the shell, the other end of the capillary water collecting assembly is tightly connected with the water storage assembly, and the water storage assembly is made of capillary action materials.
The capillary water collecting assembly and the water storage assembly are made of capillary action materials, one end of the capillary water collecting assembly extends to the bottom of the shell, and the other end of the capillary water collecting assembly is tightly connected with the water storage assembly.
The detection assembly comprises an oscillation generator arranged at one end of the water storage assembly, an oscillation receiver arranged at the other end of the water storage assembly and a temperature detector arranged on the shell.
The detection method of the road surface icing detection device comprises the steps of collecting a water sample on the ground to the water storage component through the capillary water collection component formed by capillary tube bundles or capillary materials, and detecting whether the water storage component is frozen or not through the detection component arranged on the water storage component, so that road surface icing detection is realized.
The detection assembly arranged on the water storage assembly detects whether the water storage assembly is frozen or not, specifically, the temperature detector detects real-time air temperature, judges whether the real-time air temperature is higher than freezing temperature, judges whether the water storage assembly is frozen or not through the vibration generator and the vibration receiver, judges that the water storage assembly is frozen when the real-time air temperature is lower than freezing temperature, and judges that the pavement is frozen.
The above-mentioned whether the water storage component is frozen through vibration generator and vibration receiver, specifically, vibration generator continuously sends vibration signal, if vibration signal's frequency that vibration receiver received is not less than vibration signal's that vibration generator sent 80% then judges that the water storage component is frozen.
The frequency of the vibration signal continuously emitted by the vibration generator is 5k-45kHz.
Compared with the prior art, the invention is provided with the capillary water collection assembly formed by capillary bundles or capillary action materials, so that water on the road surface can be transferred to the water storage assembly through capillary action, the timely sampling of the water condition of the road surface is realized, and the road surface and the water storage assembly can be simultaneously frozen.
According to the invention, the water storage component formed by the capillary action materials is arranged, so that the ground water sample collected by the capillary water collection component can be stored, and the road surface and the water storage component can be simultaneously frozen, so that the real-time detection of the road surface freezing is realized.
According to the invention, the detection assembly is arranged on the water storage assembly to carry out road surface icing simulation detection, so that the road surface is not damaged, and the accuracy is not influenced by road surface pollution.
Drawings
FIG. 1 is a schematic view of a construction of the present invention;
fig. 2 is a schematic view of another construction of the present invention.
Reference numerals
1-Shell, 11-support bracket, 2-capillary water sampling assembly, 3-store Shui Zujian, 41-oscillation generator, 42-oscillation receiver and 43-temperature detector.
Detailed description of the preferred embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The road surface icing detection device comprises a shell 1, a capillary water collection assembly 2, a water storage assembly 3 and a detection assembly, wherein the water storage assembly 3 is arranged in the shell 1, the capillary water collection assembly 2 is tightly connected with the water storage assembly 3, and the detection assembly is arranged on the water storage assembly 3.
The shell 1 is box-shaped, a support bracket 11 is arranged in the shell 1, and the water storage component 3 is arranged on the support bracket 11.
The capillary water collecting assembly 2 is a capillary tube bundle, one end of the capillary water collecting assembly 2 extends to the bottom of the shell 1, the other end of the capillary water collecting assembly is tightly connected with the water storage assembly 3, and the water storage assembly 3 is made of capillary action materials.
The capillary water collecting assembly 2 and the water storage assembly 3 are made of capillary action materials, one end of the capillary water collecting assembly 2 extends to the bottom of the shell 1, and the other end of the capillary water collecting assembly is tightly connected with the water storage assembly 3.
The detection assembly comprises an oscillation generator 41 arranged at one end of the water storage assembly 3, an oscillation receiver 42 arranged at the other end of the water storage assembly 3 and a temperature detector 43 arranged on the shell 1.
The pavement icing detection device further comprises a controller, and the controller is used for controlling the detection assembly to operate.
The detection method of the road surface icing detection device comprises the steps of collecting a water sample on the ground to a water storage component through a capillary water collection component formed by capillary tube bundles or capillary materials, and detecting whether the water storage component is frozen or not through a detection component arranged on the water storage component, so that road surface icing detection is realized.
The detecting assembly arranged on the water storage assembly detects whether the water storage assembly is frozen or not, specifically, the temperature detector detects real-time air temperature, judges whether the real-time air temperature is higher than freezing temperature, judges whether the water storage assembly is frozen or not through the vibration generator and the vibration receiver, judges that the water storage assembly is frozen when the real-time air temperature is lower than freezing temperature, and judges that the pavement is frozen.
The water storage component is judged to be frozen or not through the oscillation generator and the oscillation receiver, specifically, the oscillation generator continuously sends out a vibration signal, and if the frequency of the vibration signal received by the oscillation receiver is not lower than 80% of the frequency of the vibration signal sent by the oscillation generator, the water storage component is judged to be frozen.
The frequency of the vibration signal continuously sent by the vibration generator is 5k-45kHz.
The vibration generator and the vibration receiver are piezoelectric ceramic plates. The piezoelectric ceramic plate has a reverse piezoelectric effect and a positive piezoelectric effect. The vibration generator utilizes the inverse piezoelectric effect of the piezoelectric ceramic plate, namely, the deformation of the sensitive element of the piezoelectric ceramic plate generates vibration by applying alternating voltage with a certain frequency, and the vibration receiver utilizes the positive piezoelectric effect of the piezoelectric ceramic plate, namely, the sensitive element of the piezoelectric ceramic plate generates current with a certain frequency according to the vibration with a certain frequency.
When the road surface icing detection device is used, the road surface icing detection can be carried out by placing the road surface icing detection device on the ground without damaging the ground
In this embodiment, the water collection module 2 composed of capillary material or capillary tube bundle extracts water on the road surface based on capillary action and conducts the water to the water storage module 3 composed of capillary material, and the detection module is arranged on the water storage module 3. Capillary action refers to the attraction of a liquid surface to a solid surface.
In this embodiment, materials with capillary action are suitable (such as strip or block cloth or similar materials, polyester fiber materials, high-count high-density canvas and the like), one end of the water collection assembly 2 is contacted with the pavement, the other end is separated from the pavement and is extended and connected to the water storage assembly 3, and the water collection assembly 2 can collect water from the pavement into the water storage assembly 3 according to the capillary action. The collection time is 1min-5min according to the different length and materials of the water collection assembly 2.
The water content between the pavement icing detection device and the pavement is in a self-balancing state, when water exists on the pavement, the pavement icing detection device can absorb the water on the pavement onto the water storage component 3 based on capillary action, otherwise, when the pavement is dried and the water exists on the water storage component 3, the water on the water storage component 3 can be pumped out by the dried pavement based on capillary action and/or siphon action, so that the actual water storage condition of the water storage component 3 and the pavement is kept basically similar, and when the temperature is lower than the icing temperature, the pavement and the water storage component 3 can be simultaneously frozen.
Since the water in the water storage component 3 and the ice on the road surface occur substantially simultaneously, the detection of the ice in the water storage component 3 by the detection component is equivalent to the ice detection on the road surface, and since the ice determination in this embodiment requires two conditions that the real-time air temperature is lower than the ice temperature and the frequency of the vibration signal received by the vibration receiver is not lower than 80% of the frequency of the vibration signal sent by the vibration generator, the detection result in this embodiment will not be affected by the pollution of the road surface.
Example 2
The road surface icing detection device comprises a shell 1, a capillary water collection assembly 2, a water storage assembly 3 and a detection assembly, wherein the water storage assembly 3 is arranged in the shell 1, the capillary water collection assembly 2 is tightly connected with the water storage assembly 3, and the detection assembly is arranged on the water storage assembly 3.
The shell 1 is box-shaped, a support bracket 11 is arranged in the shell 1, and the water storage component 3 is arranged on the support bracket 11.
The capillary water collecting assembly 2 is a capillary tube bundle, one end of the capillary water collecting assembly 2 extends to the bottom of the shell 1, the other end of the capillary water collecting assembly is tightly connected with the water storage assembly 3, and the water storage assembly 3 is made of capillary action materials.
The detection assembly comprises an oscillation generator 41 arranged at one end of the water storage assembly 3, an oscillation receiver 42 arranged at the other end of the water storage assembly 3 and a temperature detector 43 arranged on the shell 1.
The pavement icing detection device further comprises a controller, and the controller is used for controlling the detection assembly to operate.
The detection method of the road surface icing detection device comprises the steps of collecting a water sample on the ground to a water storage component through a capillary water collection component formed by capillary tube bundles or capillary materials, and detecting whether the water storage component is frozen or not through a detection component arranged on the water storage component, so that road surface icing detection is realized.
The detecting assembly arranged on the water storage assembly detects whether the water storage assembly is frozen or not, specifically, the temperature detector detects real-time air temperature, judges whether the real-time air temperature is higher than freezing temperature, judges whether the water storage assembly is frozen or not through the vibration generator and the vibration receiver, judges that the water storage assembly is frozen when the real-time air temperature is lower than freezing temperature, and judges that the pavement is frozen.
The water storage component is judged to be frozen or not through the oscillation generator and the oscillation receiver, specifically, the oscillation generator continuously sends out a vibration signal, and if the frequency of the vibration signal received by the oscillation receiver is not lower than 80% of the frequency of the vibration signal sent by the oscillation generator, the water storage component is judged to be frozen.
The frequency of the vibration signal continuously sent by the vibration generator is 5k-45kHz.
The vibration generator and the vibration receiver are piezoelectric ceramic plates.
When the road surface icing detection device is used, the road surface icing detection can be carried out by placing the road surface icing detection device on the ground without damaging the ground
In this embodiment, the water collection assembly 2 composed of capillary tube bundles extracts water on the road surface based on capillary action and conducts the water to the water storage assembly 3 composed of capillary action materials, and the detection assembly is arranged on the water storage assembly 3. Capillary action refers to the attraction of a liquid surface to a solid surface.
In this embodiment, materials with capillary action are suitable (such as strip or block cloth or similar materials, polyester fiber materials, high-count high-density canvas and the like), one end of the water collection assembly 2 is contacted with the pavement, the other end is separated from the pavement and is extended and connected to the water storage assembly 3, and the water collection assembly 2 can collect water from the pavement into the water storage assembly 3 according to the capillary action. The collection time is 1min-5min according to the different length and materials of the water collection assembly 2.
The water content between the pavement icing detection device and the pavement is in a self-balancing state, when water exists on the pavement, the pavement icing detection device can absorb the water on the pavement onto the water storage component 3 based on capillary action, otherwise, when the pavement is dried and the water exists on the water storage component 3, the water on the water storage component 3 can be pumped out by the dried pavement based on capillary action and/or siphon action, so that the actual water storage condition of the water storage component 3 and the pavement is kept basically similar, and when the temperature is lower than the icing temperature, the pavement and the water storage component 3 can be simultaneously frozen.
Since the water in the water storage component 3 and the ice on the road surface occur substantially simultaneously, the detection of the ice in the water storage component 3 by the detection component is equivalent to the ice detection on the road surface, and since the ice determination in this embodiment requires two conditions that the real-time air temperature is lower than the ice temperature and the frequency of the vibration signal received by the vibration receiver is not lower than 80% of the frequency of the vibration signal sent by the vibration generator, the detection result in this embodiment will not be affected by the pollution of the road surface.
Example 3
The road surface icing detection device comprises a shell 1, a capillary water collection assembly 2, a water storage assembly 3 and a detection assembly, wherein the water storage assembly 3 is arranged in the shell 1, the capillary water collection assembly 2 is tightly connected with the water storage assembly 3, and the detection assembly is arranged on the water storage assembly 3.
The shell 1 is box-shaped, a support bracket 11 is arranged in the shell 1, and the water storage component 3 is arranged on the support bracket 11.
The capillary water collecting assembly 2 and the water storage assembly 3 are made of capillary action materials, one end of the capillary water collecting assembly 2 extends to the bottom of the shell 1, and the other end of the capillary water collecting assembly is tightly connected with the water storage assembly 3.
The detection assembly comprises an oscillation generator 41 arranged at one end of the water storage assembly 3, an oscillation receiver 42 arranged at the other end of the water storage assembly 3 and a temperature detector 43 arranged on the shell 1.
The pavement icing detection device further comprises a controller, and the controller is used for controlling the detection assembly to operate.
The detection method of the road surface icing detection device comprises the steps of collecting a water sample on the ground to a water storage component through a capillary water collection component formed by capillary tube bundles or capillary materials, and detecting whether the water storage component is frozen or not through a detection component arranged on the water storage component, so that road surface icing detection is realized.
The detecting assembly arranged on the water storage assembly detects whether the water storage assembly is frozen or not, specifically, the temperature detector detects real-time air temperature, judges whether the real-time air temperature is higher than freezing temperature, judges whether the water storage assembly is frozen or not through the vibration generator and the vibration receiver, judges that the water storage assembly is frozen when the real-time air temperature is lower than freezing temperature, and judges that the pavement is frozen.
The water storage component is judged to be frozen or not through the oscillation generator and the oscillation receiver, specifically, the oscillation generator continuously sends out a vibration signal, and if the frequency of the vibration signal received by the oscillation receiver is not lower than 80% of the frequency of the vibration signal sent by the oscillation generator, the water storage component is judged to be frozen.
The frequency of the vibration signal continuously sent by the vibration generator is 5k-45kHz.
The vibration generator and the vibration receiver are piezoelectric ceramic plates.
When the road surface icing detection device is used, the road surface icing detection can be carried out by placing the road surface icing detection device on the ground without damaging the ground
In this embodiment, the water collection module 2 composed of capillary material or capillary tube bundle extracts water on the road surface based on capillary action and conducts the water to the water storage module 3 composed of capillary material, and the detection module is arranged on the water storage module 3. Capillary action refers to the attraction of a liquid surface to a solid surface.
In this embodiment, materials with capillary action are suitable (such as strip or block cloth or similar materials, polyester fiber materials, high-count high-density canvas and the like), one end of the water collection assembly 2 is contacted with the pavement, the other end is separated from the pavement and is extended and connected to the water storage assembly 3, and the water collection assembly 2 can collect water from the pavement into the water storage assembly 3 according to the capillary action. The collection time is 1min-5min according to the different length and materials of the water collection assembly 2.
The water content between the pavement icing detection device and the pavement is in a self-balancing state, when water exists on the pavement, the pavement icing detection device can absorb the water on the pavement onto the water storage component 3 based on capillary action, otherwise, when the pavement is dried and the water exists on the water storage component 3, the water on the water storage component 3 can be pumped out by the dried pavement based on capillary action and/or siphon action, so that the actual water storage condition of the water storage component 3 and the pavement is kept basically similar, and when the temperature is lower than the icing temperature, the pavement and the water storage component 3 can be simultaneously frozen.
Since the water in the water storage component 3 and the ice on the road surface occur substantially simultaneously, the detection of the ice in the water storage component 3 by the detection component is equivalent to the ice detection on the road surface, and since the ice determination in this embodiment requires two conditions that the real-time air temperature is lower than the ice temperature and the frequency of the vibration signal received by the vibration receiver is not lower than 80% of the frequency of the vibration signal sent by the vibration generator, the detection result in this embodiment will not be affected by the pollution of the road surface.
Example 4
The road surface icing detection device comprises a shell 1, a capillary water collection assembly 2, a water storage assembly 3 and a detection assembly, wherein the water storage assembly 3 is arranged in the shell 1, the capillary water collection assembly 2 is tightly connected with the water storage assembly 3, and the detection assembly is arranged on the water storage assembly 3.
The shell 1 is box-shaped, a support bracket 11 is arranged in the shell 1, and the water storage component 3 is arranged on the support bracket 11.
The capillary water collecting assembly 2 is a capillary tube bundle, one end of the capillary water collecting assembly 2 extends to the bottom of the shell 1, the other end of the capillary water collecting assembly is tightly connected with the water storage assembly 3, and the water storage assembly 3 is made of capillary action materials.
The detection assembly comprises an oscillation generator 41 arranged at one end of the water storage assembly 3, an oscillation receiver 42 arranged at the other end of the water storage assembly 3 and a temperature detector 43 arranged on the shell 1. .
The pavement icing detection device further comprises a controller, and the controller is used for controlling the detection assembly to operate.
The detection method of the road surface icing detection device comprises the steps of collecting a water sample on the ground to a water storage component through a capillary water collection component formed by capillary tube bundles or capillary materials, and detecting whether the water storage component is frozen or not through a detection component arranged on the water storage component, so that road surface icing detection is realized.
The detecting assembly arranged on the water storage assembly detects whether the water storage assembly is frozen or not, specifically, the temperature detector detects real-time air temperature, judges whether the real-time air temperature is higher than freezing temperature, judges whether the water storage assembly is frozen or not through the vibration generator and the vibration receiver, judges that the water storage assembly is frozen when the real-time air temperature is lower than freezing temperature, and judges that the pavement is frozen.
The water storage component is judged to be frozen or not through the oscillation generator and the oscillation receiver, specifically, the oscillation generator continuously sends out a vibration signal, and if the frequency of the vibration signal received by the oscillation receiver is not lower than 80% of the frequency of the vibration signal sent by the oscillation generator, the water storage component is judged to be frozen.
The frequency of the vibration signal continuously sent by the vibration generator is 10k-12kHz.
The vibration generator and the vibration receiver are piezoelectric ceramic plates.
When the road surface icing detection device is used, the road surface icing detection can be carried out by placing the road surface icing detection device on the ground without damaging the ground
In this embodiment, the water collection assembly 2 composed of capillary tube bundles extracts water on the road surface based on capillary action and conducts the water to the water storage assembly 3 composed of capillary action materials, and the detection assembly is arranged on the water storage assembly 3. Capillary action refers to the attraction of a liquid surface to a solid surface.
In this embodiment, materials with capillary action are suitable (such as strip or block cloth or similar materials, polyester fiber materials, high-count high-density canvas and the like), one end of the water collection assembly 2 is contacted with the pavement, the other end is separated from the pavement and is extended and connected to the water storage assembly 3, and the water collection assembly 2 can collect water from the pavement into the water storage assembly 3 according to the capillary action. The collection time is 1min-5min according to the different length and materials of the water collection assembly 2.
The water content between the pavement icing detection device and the pavement is in a self-balancing state, when water exists on the pavement, the pavement icing detection device can absorb the water on the pavement onto the water storage component 3 based on capillary action, otherwise, when the pavement is dried and the water exists on the water storage component 3, the water on the water storage component 3 can be pumped out by the dried pavement based on capillary action and/or siphon action, so that the actual water storage condition of the water storage component 3 and the pavement is kept basically similar, and when the temperature is lower than the icing temperature, the pavement and the water storage component 3 can be simultaneously frozen.
Since the water in the water storage component 3 and the ice on the road surface occur substantially simultaneously, the detection of the ice in the water storage component 3 by the detection component is equivalent to the ice detection on the road surface, and since the ice determination in this embodiment requires two conditions that the real-time air temperature is lower than the ice temperature and the frequency of the vibration signal received by the vibration receiver is not lower than 80% of the frequency of the vibration signal sent by the vibration generator, the detection result in this embodiment will not be affected by the pollution of the road surface.
In addition, in the description of the embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be fixedly connected, detachably connected, or integrally connected, or may be directly connected, or may be indirectly connected through an intermediate medium, or may be in communication with the inside of two elements. The specific meaning of the above terms in the present invention will be understood by those skilled in the art in specific cases.
It should be noted that the above embodiments are merely specific embodiments of the present invention, and are not intended to limit the technical scope of the present invention, but the present invention is not limited thereto, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that any modification, variation or substitution of some technical features of the technical solutions described in the above embodiments may still be easily considered within the technical scope of the present invention, and the spirit and scope of the technical solutions of the embodiments do not deviate from the essence of the corresponding technical solutions. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (6)
1. The road surface icing detection device is characterized by comprising a shell (1), a capillary water collection assembly (2), a water storage assembly (3) and a detection assembly (4), wherein the water storage assembly (3) is arranged in the shell (1), the capillary water collection assembly (2) is tightly connected with the water storage assembly (3), and the detection assembly is arranged on the water storage assembly (3);
the capillary water collection assembly (2) is made of capillary tube bundles or capillary action materials, the water storage assembly (3) is made of capillary action materials, one end of the capillary water collection assembly (2) extends to the bottom of the shell (1), and the other end of the capillary water collection assembly is tightly connected with the water storage assembly (3);
The detection assembly comprises an oscillation generator (41) arranged at one end of the water storage assembly (3), an oscillation receiver (42) arranged at the other end of the water storage assembly (3) and a temperature detector (43) arranged on the shell (1).
2. The pavement icing detection device according to claim 1, wherein the housing (1) is box-shaped, a support bracket (11) is arranged inside the housing (1), and the water storage component (3) is arranged on the support bracket (11).
3. A detection method using the road surface icing detection device as claimed in claim 1 or 2 is characterized in that a capillary water sampling assembly consisting of capillary bundles or capillary materials is arranged to collect a water sample on the ground to a water storage assembly, and then the detection assembly arranged on the water storage assembly is used for detecting whether the water storage assembly is frozen or not, so that the road surface icing detection is realized.
4. The method for detecting whether the water storage component is frozen or not according to claim 3, wherein the detecting component arranged on the water storage component detects real-time air temperature through the temperature detector, judges whether the real-time air temperature is higher than freezing temperature or not, judges whether the water storage component is frozen through the vibration generator and the vibration receiver, and judges that the water storage component is frozen when the real-time air temperature is lower than freezing temperature and the vibration generator and the vibration receiver judge that the water storage component is frozen, and judges that the road surface is frozen.
5. The method according to claim 4, wherein the detecting unit is configured to determine whether the water storage component is frozen by using the oscillation generator and the oscillation receiver, specifically, the oscillation generator continuously sends out the vibration signal, and if the frequency of the vibration signal received by the oscillation receiver is not less than 80% of the frequency of the vibration signal sent by the oscillation generator, the water storage component is determined to be frozen.
6. The method according to claim 5, wherein the vibration signal continuously emitted from the vibration generator has a frequency of 5k-45kHz.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010542529.1A CN111812209B (en) | 2020-06-15 | 2020-06-15 | A pavement icing detection device and method |
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| CN202010542529.1A CN111812209B (en) | 2020-06-15 | 2020-06-15 | A pavement icing detection device and method |
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| CN111812209B true CN111812209B (en) | 2026-01-06 |
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| CN111812157B (en) * | 2020-06-15 | 2024-12-10 | 杭州博达伟业公共安全技术股份有限公司 | A road surface dryness and humidity detection device and detection method |
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| US4502044A (en) * | 1982-05-19 | 1985-02-26 | Farris James R | Moisture alarm system |
| CN110017800A (en) * | 2019-03-12 | 2019-07-16 | 华中科技大学 | A kind of method and device detecting icing thickness |
| CN111812157A (en) * | 2020-06-15 | 2020-10-23 | 杭州博达伟业公共安全技术股份有限公司 | A kind of pavement dry and humidity detection device and detection method |
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| US3240054A (en) * | 1962-12-24 | 1966-03-15 | Gabb Special Products Inc | Ice detector |
| CN101915606B (en) * | 2010-07-27 | 2012-02-22 | 南京信息工程大学 | A device and method for detecting icing on expressway pavement |
| KR101738646B1 (en) * | 2017-02-13 | 2017-05-22 | 주식회사 에그 | apparatus for detecting ice-formation |
| CN107248258A (en) * | 2017-07-28 | 2017-10-13 | 湖北国创高新材料股份有限公司 | A kind of icy road safety early warning device and method for early warning |
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| US4502044A (en) * | 1982-05-19 | 1985-02-26 | Farris James R | Moisture alarm system |
| CN110017800A (en) * | 2019-03-12 | 2019-07-16 | 华中科技大学 | A kind of method and device detecting icing thickness |
| CN111812157A (en) * | 2020-06-15 | 2020-10-23 | 杭州博达伟业公共安全技术股份有限公司 | A kind of pavement dry and humidity detection device and detection method |
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