Road surface state monitoring system

Abstract

The utility model relates to a road surface state monitoring system, which belongs to the technical field of monitoring equipment and comprises a protective shell, a monitoring mechanism, a control element and a power supply assembly for supplying power to the whole system are arranged in the protective shell, and two open holes are arranged at the front end of the protective shell. The monitoring mechanism comprises a first guide pipe, a second guide pipe, a first lens, a second lens, an infrared light source transmitting assembly and an infrared light source receiving assembly. According to the utility model, the infrared light source transmitting and receiving technology is adopted, so that the system can stably operate under different weather and illumination conditions, and the anti-interference capability is improved. By measuring the reflection and scattering conditions of infrared light on the road surface, the system can accurately sense the road surface state, and the problem of monitoring data distortion caused by human factors or environmental factors in a traditional method is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of monitoring equipment, and in particular relates to a road surface status monitoring system. Background Art

[0002] In the field of road traffic, road condition monitoring is an important means to ensure driving safety and improve road use efficiency. Traditional road condition monitoring methods mainly rely on manual inspections, which are not only time-consuming and labor-intensive, but also easily affected by human factors, resulting in inaccurate and untimely monitoring results. In addition, with the continuous increase in road traffic volume, the accuracy and real-time requirements for road condition monitoring are becoming higher and higher.

[0003] In recent years, with the rapid development of sensor technology, computer technology and communication technology, road condition monitoring technology has also made significant progress. Various new road condition monitoring systems have emerged, providing road management departments with more efficient and accurate monitoring methods. However, there are still some problems and challenges in the existing road condition monitoring systems. For example, some systems are not adaptable to different road types and are easily affected by environmental factors such as weather and light, resulting in distortion of monitoring data. At the same time, some systems have complex structures and high maintenance costs, which are not conducive to practical application and promotion.

[0004] Therefore, developing a road condition monitoring system that can adapt to different road types, has strong anti-interference ability, simple structure and low maintenance cost is of great significance to improving road safety and utilization efficiency. Summary of the invention

[0005] The purpose of the utility model is to provide a road surface condition monitoring system designed to solve the problems existing in the prior art in view of the defects existing in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A road surface condition monitoring system includes a protective shell, in which a monitoring mechanism, a control element and a power supply component for powering the entire system are arranged. Two openings are arranged at the front end of the protective shell. The monitoring mechanism includes a first guide tube, a second guide tube, a first lens, a second lens, an infrared light source emitting component and an infrared light source receiving component. The first guide tube and the second guide tube are respectively installed on the inner sides of the openings, the first lens is installed at one end of the first guide tube away from the openings, the infrared light source emitting component is installed at one end of the first lens away from the first guide tube, the second lens is installed at one end of the second guide tube away from the openings, the infrared light source receiving component is installed at one end of the second lens away from the second guide tube, the infrared light source emitting component is connected to the output end of the control element, and the infrared light source receiving component is connected to the input end of the control element.

[0008] A further improvement of the technical solution is that the infrared light source receiving component includes a photodiode D1, a resistor R1, a resistor R2, an operational amplifier U1, a resistor R3, an operational amplifier U2, a resistor R4, a resistor R5, a capacitor C1, a mixer U3, a capacitor C2, a capacitor C3, a capacitor C4, a signal interface P1, a capacitor C5, a capacitor C6, a resistor R6, a capacitor C7, a capacitor C8, a resistor R7, a resistor R8, a capacitor C9, an operational amplifier U4, a capacitor C10, a resistor R9, a capacitor C11, a capacitor C12, a resistor R10, an operational amplifier U5, a resistor R11 and a resistor R12;

[0009] The first end of the photodiode D1 is connected to the first end of the resistor R1, the first end of the resistor R2 and the inverting input end of the operational amplifier U1, the second end of the photodiode D1, the second end of the resistor R1 and the non-inverting input end of the operational amplifier U1 are all grounded, the output of the operational amplifier U1 is connected to the second end of the resistor R2 and the first end of the resistor R3, the second end of the resistor R3 is connected to the inverting input end of the operational amplifier U2 and the first end of the resistor R4, the non-inverting input end of the operational amplifier U2 is grounded through the resistor R5, and the output end of the operational amplifier U2 is connected to the second end of the resistor R4 and the capacitor C 1, the second end of the capacitor C1 is connected to the first pin of the mixer U3, the second pin of the mixer U3 is grounded through the capacitor C2, the third pin of the mixer U3 is connected to the 5V power supply and the first end of the capacitor C3, the second end of the capacitor C3 is grounded, the fourth pin of the mixer U3 is connected to the first end of the signal interface P1 through the capacitor C4, the second end of the signal interface P2 is connected to the output end of the control element, the fifth pin of the mixer U3 is connected to the first end of the capacitor C5 and the first end of the capacitor C6, the second end of the capacitor C5 and the second end of the capacitor C6 are connected through the first end of the resistor R6, and the The second end of resistor R6 is connected to the first end of capacitor C7, the first end of capacitor C8, the first end of resistor R7 and the first end of resistor R8, the second end of capacitor C7 and the second end of capacitor C8 are both connected to the reference voltage in the power supply component, the second end of resistor R7 is connected to the first end of capacitor C9 and the inverting input end of operational amplifier U4, the non-inverting input end of operational amplifier U4 is connected to the reference voltage in the power supply component, the output end of operational amplifier U4 is connected to the second end of resistor R8, the second end of capacitor C9 and the first end of capacitor C10, the second end of capacitor C10 is connected to resistor R9 The first end of the capacitor C11 and the first end of the capacitor C12, the second end of the resistor R9 are connected to the reference voltage in the power supply component, the second end of the capacitor C11 is connected to the inverting input terminal of the operational amplifier U5 and the first end of the resistor R10, the non-inverting input terminal of the operational amplifier U5 is connected to the reference voltage in the power supply component, the output terminal of the operational amplifier U5 is connected to the second end of the capacitor C12, the second end of the resistor R10 and the first end of the resistor R11, the second end of the resistor R11 is connected to the input terminal of the control element and the first end of the resistor R12, and the second end of the resistor R12 is grounded.

[0010] A further improvement of the technical solution is that the mixer U3 adopts a mixer model SA602AD / 01-11B.

[0011] A further improvement of the technical solution also includes a control element mounting plate, which is arranged at the rear end of the protective shell, and the control element is mounted on the protective shell through the control element mounting plate.

[0012] A further improvement of the technical solution is that the control element adopts a single-chip microcomputer of the STM32 series.

[0013] A further improvement of the technical solution is that it also includes a mounting bracket, which is arranged at the bottom end of the protective shell.

[0014] A further improvement of the technical solution is that the mounting bracket includes a first U-shaped mounting plate, a second U-shaped mounting plate, a third U-shaped mounting plate, a fourth U-shaped mounting plate, bolts and nuts, the top end of the first U-shaped mounting plate is fixedly mounted on the bottom of the protective shell, the open end of the second U-shaped mounting plate is movably connected to the open end of the first U-shaped mounting plate, the top end of the third U-shaped mounting plate is fixedly connected to the bottom end of the second U-shaped mounting plate, the third U-shaped mounting plate and the fourth U-shaped mounting plate are both provided with through holes, the open end of the third U-shaped mounting plate and the open end of the fourth U-shaped mounting plate are arranged opposite to each other, and are detachably connected by bolts and nuts, and an installation space is formed between the third U-shaped mounting plate and the fourth U-shaped mounting plate.

[0015] A further improvement of the technical solution is that it also includes a 4G communication component and a monitoring center, and the control element is connected to the monitoring center via the 4G communication component.

[0016] A further improvement of the technical solution is that it also includes a temperature sensor, which is arranged between the first guide tube and the second guide tube, and the temperature sensor is connected to the input end of the control element.

[0017] The beneficial effect of the utility model lies in that, by designing a road surface condition monitoring system, the utility model effectively solves the problems existing in traditional road surface condition monitoring and brings about significant beneficial effects.

[0018] First, the technical solution uses infrared light source emission and reception technology, which enables the system to operate stably under different weather and lighting conditions and improves anti-interference capabilities. By measuring the reflection and scattering of infrared light on the road surface, the system can accurately perceive the road surface status, avoiding the problem of monitoring data distortion caused by human factors or environmental factors in traditional methods.

[0019] Secondly, the monitoring system in this technical solution has a simple structure and low maintenance cost. The design of the protective shell not only protects the monitoring mechanism and control components from the influence of the external environment, but also makes the entire system more durable and reliable. In addition, due to the modular design, the various components of the system are easy to replace and repair, which reduces maintenance costs and increases the service life of the system.

[0020] In addition, this technical solution also has the characteristics of strong real-time performance. Through the connection with the control element, the infrared light source transmitting component and the receiving component can transmit data in real time, so that the road management department can understand the road surface status in time and take corresponding measures to ensure road traffic safety and smoothness.

[0021] In summary, the above technical solution effectively improves the accuracy and reliability of road condition monitoring, reduces maintenance costs, and provides road management departments with a more efficient and convenient monitoring method by adopting infrared light source emission and receiving technology, a simple system structure, and strong real-time characteristics.

[0022] In addition, the utility model has a reliable design principle, a simple structure and a very broad application prospect.

[0023] It can be seen that compared with the prior art, the present invention has outstanding substantive features and significant progress, and the beneficial effects of its implementation are also obvious. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional schematic diagram of the road condition monitoring system.

[0025] Figure 2 A side view schematic diagram of the road condition monitoring system.

[0026] Figure 3 This is the circuit schematic diagram of the infrared light source receiving component.

[0027] 110 is a protective shell, 121 is a first guide tube, 122 is a second guide tube, 123 is a first lens, 124 is a second lens, 125 is an infrared light source emitting assembly, 126 is an infrared light source receiving assembly, 131 is a control element mounting plate, 141 is a first U-shaped mounting plate, 142 is a second U-shaped mounting plate, 143 is a third U-shaped mounting plate, 144 is a fourth U-shaped mounting plate, and 150 is a temperature sensor. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0030] like Figure 1 and Figure 2 As shown, the utility model provides a road condition monitoring system, including a protective shell 110, in which a monitoring mechanism, a control element and a power supply component for powering the entire system are arranged, and two openings are arranged at the front end of the protective shell 110, and the monitoring mechanism includes a first guide tube 121, a second guide tube 122, a first lens 123, a second lens 124, an infrared light source emitting component 125 and an infrared light source receiving component 126, the first guide tube 121 and the second guide tube 122 are respectively installed on the inner sides of the opening, the first lens 123 is installed on the end of the first guide tube 121 away from the opening, the infrared light source emitting component 125 is installed on the end of the first lens 123 away from the first guide tube 121, the second lens 124 is installed on the end of the second guide tube 122 away from the opening, the infrared light source receiving component 126 is installed on the end of the second lens 124 away from the second guide tube 122, the infrared light source emitting component 125 is connected to the output end of the control element, and the infrared light source receiving component 126 is connected to the input end of the control element.

[0031] like Figure 3As shown, the infrared light source receiving component includes a photodiode D1, a resistor R1, a resistor R2, an operational amplifier U1, a resistor R3, an operational amplifier U2, a resistor R4, a resistor R5, a capacitor C1, a mixer U3, a capacitor C2, a capacitor C3, a capacitor C4, a signal interface P1, a capacitor C5, a capacitor C6, a resistor R6, a capacitor C7, a capacitor C8, a resistor R7, a resistor R8, a capacitor C9, an operational amplifier U4, a capacitor C10, a resistor R9, a capacitor C11, a capacitor C12, a resistor R10, an operational amplifier U5, a resistor R11 and a resistor R12; a first end of the photodiode D1 is connected to a first end of the resistor R1, a first end of the resistor R2 and an inverting input end of the operational amplifier U1, and the photodiode D1 The second end of the resistor R1, the second end of the resistor R1 and the non-inverting input terminal of the operational amplifier U1 are all grounded, the output of the operational amplifier U1 is connected to the second end of the resistor R2 and the first end of the resistor R3, the second end of the resistor R3 is connected to the inverting input terminal of the operational amplifier U2 and the first end of the resistor R4, the non-inverting input terminal of the operational amplifier U2 is grounded through the resistor R5, the output terminal of the operational amplifier U2 is connected to the second end of the resistor R4 and the first end of the capacitor C1, the second end of the capacitor C1 is connected to the first pin of the mixer U3, the second pin of the mixer U3 is grounded through the capacitor C2, the third pin of the mixer U3 is connected to the 5V power supply and the first end of the capacitor C3, the second end of the capacitor C3 is grounded, and the fourth pin of the mixer U3 is connected to the 5V power supply and the first end of the capacitor C3. connected to the first end of the signal interface P1, the second end of the signal interface P2 is connected to the output end of the control element, the fifth pin of the mixer U3 is connected to the first end of the capacitor C5 and the first end of the capacitor C6, the second end of the capacitor C5 and the second end of the capacitor C6 are connected through the first end of the resistor R6, the second end of the resistor R6 is connected to the first end of the capacitor C7, the first end of the capacitor C8, the first end of the resistor R7 and the first end of the resistor R8, the second end of the capacitor C7 and the second end of the capacitor C8 are both connected to the reference voltage in the power supply component, the second end of the resistor R7 is connected to the first end of the capacitor C9 and the inverting input terminal of the operational amplifier U4, the non-inverting input terminal of the operational amplifier U4 is connected to the reference voltage in the power supply component, and the output of the operational amplifier U4 The first end of the operational amplifier U5 is connected to the second end of the resistor R8, the second end of the capacitor C9 and the first end of the capacitor C10, the second end of the capacitor C10 is connected to the first end of the resistor R9, the first end of the capacitor C11 and the first end of the capacitor C12, the second end of the resistor R9 is connected to the reference voltage in the power supply component, the second end of the capacitor C11 is connected to the inverting input terminal of the operational amplifier U5 and the first end of the resistor R10, the non-inverting input terminal of the operational amplifier U5 is connected to the reference voltage in the power supply component, the output terminal of the operational amplifier U5 is connected to the second end of the capacitor C12, the second end of the resistor R10 and the first end of the resistor R11, the second end of the resistor R11 is connected to the input terminal of the control element and the first end of the resistor R12, and the second end of the resistor R12 is grounded.The mixer U3 is a mixer of model SA602AD / 01-11B.

[0032] In addition, the road condition monitoring system also includes a control element mounting plate, which is arranged at the rear end of the protective housing, and the control element is mounted on the protective housing through the control element mounting plate. The control element adopts a single-chip microcomputer of the STM32 series.

[0033] In order to facilitate the installation of the protective housing to the position to be monitored, the road surface condition monitoring system also includes a mounting bracket, which is arranged at the bottom end of the protective housing. Specifically, the mounting bracket includes a first U-shaped mounting plate 141, a second U-shaped mounting plate 142, a third U-shaped mounting plate 143, a fourth U-shaped mounting plate 144, bolts and nuts, the top end of the first U-shaped mounting plate 141 is fixedly mounted on the bottom of the protective housing 110, the open end of the second U-shaped mounting plate 142 is movably connected to the open end of the first U-shaped mounting plate 141, the top end of the third U-shaped mounting plate 143 is fixedly connected to the bottom end of the second U-shaped mounting plate 142, the third U-shaped mounting plate 143 and the fourth U-shaped mounting plate 144 are both provided with through holes, the open end of the third U-shaped mounting plate 143 and the open end of the fourth U-shaped mounting plate 144 are arranged opposite to each other, and are detachably connected by bolts and nuts, and an installation space is formed between the third U-shaped mounting plate 143 and the fourth U-shaped mounting plate 144.

[0034] In addition, the road condition monitoring system also includes a 4G communication component and a monitoring center, and the control element is connected to the monitoring center through the 4G communication component.

[0035] Finally, the road surface condition monitoring system further comprises a temperature sensor, which is arranged between the first guide tube and the second guide tube and is connected to the input end of the control element.

[0036] The above disclosure is only the preferred implementation mode of the utility model, but the utility model is not limited thereto. Any non-creative changes that can be thought of by technicians in this field, as well as several improvements and modifications made without departing from the principle of the utility model, should fall within the scope of protection of the utility model.

Claims

1. A road surface condition monitoring system, characterized in that: It includes a protective shell, in which a monitoring mechanism, a control element and a power supply component for powering the entire system are arranged. Two openings are arranged at the front end of the protective shell. The monitoring mechanism includes a first guide tube, a second guide tube, a first lens, a second lens, an infrared light source emitting component and an infrared light source receiving component. The first guide tube and the second guide tube are respectively installed on the inner sides of the openings, the first lens is installed at one end of the first guide tube away from the openings, the infrared light source emitting component is installed at one end of the first lens away from the first guide tube, the second lens is installed at one end of the second guide tube away from the openings, the infrared light source receiving component is installed at one end of the second lens away from the second guide tube, the infrared light source emitting component is connected to the output end of the control element, and the infrared light source receiving component is connected to the input end of the control element.

2. The road surface condition monitoring system according to claim 1, characterized in that: The infrared light source receiving component includes a photodiode D1, a resistor R1, a resistor R2, an operational amplifier U1, a resistor R3, an operational amplifier U2, a resistor R4, a resistor R5, a capacitor C1, a mixer U3, a capacitor C2, a capacitor C3, a capacitor C4, a signal interface P1, a capacitor C5, a capacitor C6, a resistor R6, a capacitor C7, a capacitor C8, a resistor R7, a resistor R8, a capacitor C9, an operational amplifier U4, a capacitor C10, a resistor R9, a capacitor C11, a capacitor C12, a resistor R10, an operational amplifier U5, a resistor R11 and a resistor R12; The first end of the photodiode D1 is connected to the first end of the resistor R1, the first end of the resistor R2 and the inverting input end of the operational amplifier U1, the second end of the photodiode D1, the second end of the resistor R1 and the non-inverting input end of the operational amplifier U1 are all grounded, the output of the operational amplifier U1 is connected to the second end of the resistor R2 and the first end of the resistor R3, the second end of the resistor R3 is connected to the inverting input end of the operational amplifier U2 and the first end of the resistor R4, the non-inverting input end of the operational amplifier U2 is grounded through the resistor R5, and the output end of the operational amplifier U2 is connected to the second end of the resistor R4 and the capacitor C 1, the second end of the capacitor C1 is connected to the first pin of the mixer U3, the second pin of the mixer U3 is grounded through the capacitor C2, the third pin of the mixer U3 is connected to the 5V power supply and the first end of the capacitor C3, the second end of the capacitor C3 is grounded, the fourth pin of the mixer U3 is connected to the first end of the signal interface P1 through the capacitor C4, the second end of the signal interface P2 is connected to the output end of the control element, the fifth pin of the mixer U3 is connected to the first end of the capacitor C5 and the first end of the capacitor C6, the second end of the capacitor C5 and the second end of the capacitor C6 are connected through the first end of the resistor R6, and the The second end of resistor R6 is connected to the first end of capacitor C7, the first end of capacitor C8, the first end of resistor R7 and the first end of resistor R8, the second end of capacitor C7 and the second end of capacitor C8 are both connected to the reference voltage in the power supply component, the second end of resistor R7 is connected to the first end of capacitor C9 and the inverting input end of operational amplifier U4, the non-inverting input end of operational amplifier U4 is connected to the reference voltage in the power supply component, the output end of operational amplifier U4 is connected to the second end of resistor R8, the second end of capacitor C9 and the first end of capacitor C10, the second end of capacitor C10 is connected to resistor R9 The first end of the capacitor C11 and the first end of the capacitor C12, the second end of the resistor R9 are connected to the reference voltage in the power supply component, the second end of the capacitor C11 is connected to the inverting input terminal of the operational amplifier U5 and the first end of the resistor R10, the non-inverting input terminal of the operational amplifier U5 is connected to the reference voltage in the power supply component, the output terminal of the operational amplifier U5 is connected to the second end of the capacitor C12, the second end of the resistor R10 and the first end of the resistor R11, the second end of the resistor R11 is connected to the input terminal of the control element and the first end of the resistor R12, and the second end of the resistor R12 is grounded.

3. The road surface condition monitoring system according to claim 2, characterized in that: The mixer U3 adopts the mixer model SA602AD / 01-11B.

4. The road surface condition monitoring system according to claim 1, characterized in that: It also includes a control element mounting plate, which is arranged at the rear end of the protective shell, and the control element is mounted on the protective shell through the control element mounting plate.

5. The road surface condition monitoring system according to claim 1, characterized in that: The control element adopts a single-chip microcomputer of the STM32 series.

6. The road surface condition monitoring system according to claim 1, characterized in that: It also includes a mounting bracket, which is arranged at the bottom end of the protective shell.

7. The road surface condition monitoring system according to claim 6, characterized in that: The mounting bracket includes a first U-shaped mounting plate, a second U-shaped mounting plate, a third U-shaped mounting plate, a fourth U-shaped mounting plate, bolts and nuts. The top end of the first U-shaped mounting plate is fixedly mounted on the bottom of the protective shell, the open end of the second U-shaped mounting plate is movably connected to the open end of the first U-shaped mounting plate, the top end of the third U-shaped mounting plate is fixedly connected to the bottom end of the second U-shaped mounting plate, and through holes are provided on the third U-shaped mounting plate and the fourth U-shaped mounting plate. The open end of the third U-shaped mounting plate and the open end of the fourth U-shaped mounting plate are arranged opposite to each other and are detachably connected by bolts and nuts, and an installation space is formed between the third U-shaped mounting plate and the fourth U-shaped mounting plate.

8. The road surface condition monitoring system according to claim 1, characterized in that: It also includes a 4G communication component and a monitoring center, and the control element is connected to the monitoring center via the 4G communication component.

9. The road surface condition monitoring system according to claim 1, characterized in that: The device also includes a temperature sensor, which is arranged between the first guide tube and the second guide tube and is connected to the input end of the control element.

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