KR100757238B1 - Noise absorbing wall on road including a shock sensing function - Google Patents

Abstract

A noise absorbing wall for a road having shock sensing function is provided to enhance the durability of the noise absorbing wall by preventing the erosion of the noise absorbing wall caused by snow or rainwater introduced thereinto. A noise absorbing wall comprises a front noise absorbing member(20), a rear noise absorbing member(22), an elastic member(28), a detector(32), a transmitter(34) and a power supply(30). The front noise absorbing member(20) has a plurality of noise absorbing thruholes(21) formed therein, and has a hooking unit(26) at a top part thereof. The front noise absorbing member(20) has a lateral section in the form of a letter seven. The rear noise absorbing member(22) includes noise absorbing material(23) therein, and has upper and lower hooks(24) to couple with the hooking unit(26). The rear noise absorbing member(22) has a trapezoidal shape.

Description

Road noise barrier with shock detection {NOISE ABSORBING WALL ON ROAD INCLUDING A SHOCK SENSING FUNCTION}

1 is a perspective view of a conventional soundproof wall,

2 is an exploded perspective view of a road soundproof wall including a shock detection function according to the present invention;

3 is a combined perspective view and a side cross-sectional view of a road soundproofing wall including a shock detection function according to the present invention;

4 is an exploded perspective view and a side view of the front sound absorbing member according to the present invention.

* Description of the symbols for the main parts of the drawings *

10: soundproof panel 11: prop

12: rear panel 13: front panel

14: sound absorbing material 15: sound absorbing portion

20: front sound absorbing member 21: sound absorption hole

22: rear sound absorbing member 23: sound absorbing material

24: upper, lower latch 26: locking portion

28: elastic member 30: power supply

31: solar absorption unit 32: detection unit

33: commercial power supply 34: transmitter

The present invention relates to a road noise barrier including a shock detection function, and in particular, to reduce the noise and diffraction noise (induced noise is reflected, refracted and passed over the sound barrier) by the vehicle, work in the coupling and replacement It relates to a road soundproof wall comprising an impact detection function that can have the ease of.

In addition, the present invention relates to a road noise barrier including an impact detection function capable of immediate response in case of a traffic accident and minimizing human injury.

In general, the road noise barrier is located between the sound source and the transmission path of the sound absorbing point to minimize the transmission of noise, and is installed in a place where noise is to be blocked, such as a highway or a general road.

Ideally, the road sound barrier can have maximum sound insulation effect when installed to have the highest height as close as possible to the sound source.

These soundproof walls are reflective type that reflects the noise and attenuates the transmission of the noise to the outside, sound absorption that absorbs and attenuates the noise by itself, and interference type that attenuates the noise through mutual interaction between noises, and a resonance tube is built in the soundproof wall. Various types according to the application such as resonance type which modulates the phase of sound wave and attenuates noise.

Most of the conventional soundproof walls are provided on the side of a highway or a general road, and are installed to attenuate noise generated from a vehicle.

1 is a perspective view of a conventional sound barrier.

Referring to Figure 1, it comprises a H beam-shaped pillars 11, and the soundproof panel 10 is fastened to the pillars. The soundproof panel 10 is formed of a flat panel-shaped rear panel 12 and a plurality of openings and includes a flat panel-shaped front panel 13 having a plurality of sound absorbing portions 15 for absorbing noise, and the rear panel 12 ) And a sound absorbing material 14 fixedly attached between the front panel 13.

The soundproof panel 10 prevents the noise from leaking beyond the soundproof wall by absorbing the noise generated in the road or the rail by the sound absorbing units 15 formed in the front panel 13 and absorbing the sound absorbing material 14.

However, the soundproof panel constituting the soundproof wall as described above has a problem in that the soundproof effect is not large because diffraction noise (inflow noise is reflected and refracted and noise passing over the soundproof wall) is greatly generated.

In addition, when a soundproof wall is corroded due to a traffic accident or a vehicle driver's mistake, or other environmental factors (snow, rainwater leakage, etc.) and the soundproof wall is required to be replaced, the entire soundproof panel has to be replaced.

To this end, the sound insulation panel of the upper part was dismantled in order from the strut, the soundproof panel to be replaced was inserted into a new one, and the upper soundproof panel was fastened again. This is a very cumbersome replacement and repair work on the soundproofing panel, labor costs and repair costs also had problems.

In addition, there was a problem that the emergency measures that can be immediately responded to the vehicle driver was not prepared in case of a traffic accident in which the vehicle and the soundproof wall collide.

Accordingly, an object of the present invention is to provide a road soundproof wall including a shock detection function that can efficiently reduce noise and diffraction noise without raising the height of the soundproof wall.

Still another object of the present invention is to provide a soundproof wall for a road including a shock detection function that can increase the ease of operation and cost efficiency in the replacement and repair of the soundproof wall.

Still another object of the present invention is to provide a soundproof wall for a road that includes an impact detection function that effectively prevents corrosion of the soundproof wall due to inflow of snow or rainwater, and extends the lifespan of the soundproof wall as a whole.

Still another object of the present invention is to provide an acoustic barrier for a road including a shock detection function that enables an immediate response when a traffic accident occurs, thereby minimizing human injury occurring during an accident.

According to the present invention, a plurality of sound-absorbing through-holes are formed in the interior, including a catch portion on the top, and the front side sound-absorbing member is provided in a seven-sided cross-section; A rear sound absorbing member including a sound absorbing material therein and including upper and lower fastenings for engaging with the catching portion, and having a trapezoidal shape; An elastic member provided for sound absorbing effect and shock mitigation; A detection unit installed inside the elastic member to detect an impact applied to the elastic member; A transmitter for transmitting a signal when an impact is detected by the detector; Is installed on the upper surface of the elastic member, and connected to the sensing unit and the transmission unit includes a power supply for supplying power, the sound absorbing through hole is formed by varying the diameter along the width of the front sound absorbing member, the front sound absorbing member Is a first member having a first sound absorbing through hole diameter, the second member having a second sound absorbing through hole diameter and a third member having a third sound absorbing through hole diameter are formed overlapping, wherein the first to third members, It consists of a diameter portion, the second diameter portion different in diameter from the first diameter portion and the third diameter portion of the same diameter as the first diameter portion, wherein the power supply unit is composed of solar self-generation and commercial power It is achieved by a road noise barrier comprising a shock detection function.

Here, the power supply may further include a power storage unit for storing the power generated by the solar photovoltaic power generation and a switching unit for selectively controlling the connection to the power storage unit and the commercial power source.

In addition, the power supply may further include a photosensitive sensor for detecting the intensity of sunlight and a switching unit for selectively controlling the connection to the solar power generation and commercial power according to the signal of the photosensitive sensor.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the present invention.

Prior to this, the terminology used herein should not be construed as limiting in a dictionary sense, and the present invention is based on the principle that the concept of a term may be properly defined in order to explain the invention in the best way. It should be interpreted as meanings and concepts corresponding to the technical idea of

Therefore, the configuration shown in the drawings described herein is only a preferred embodiment of the present invention, and does not represent all of the technical spirit of the present invention, various equivalents and modifications that can replace them at the time of the present application It should be understood that examples may exist.

2 is an exploded perspective view of a soundproof wall for a road including a shock detection function according to the present invention;

3 is a perspective view and a side cross-sectional view of the road sound insulation wall including a shock detection function according to the present invention.

2 or 3, the soundproof wall for a road including an impact detection function is fastened to the H beam-shaped strut 11 according to the present invention,

A plurality of sound-absorbing through-holes 21 are formed therein, the upper portion includes a catching portion 26, and a front side sound absorbing member 20 and a sound absorbing material 23 therein, the side cross-section is provided in a seven-character shape, The upper and lower latches 24 for engaging with the engaging portion 26, the rear sound absorbing member 22 is provided in a trapezoidal shape and the elastic member 28 and the elastic member provided for the sound absorbing effect and shock mitigation A sensing unit 32 installed inside the member 28 for sensing an impact acting on the elastic member 28 and a transmitting unit 34 for transmitting a signal when an impact is detected by the sensing unit 32; Is installed on the upper surface of the elastic member 32, and is connected to the sensing unit 32 and the transmission unit 34 includes a power supply unit 30 for supplying power,

The sound absorbing through-hole 21 is formed by varying the diameter along the width of the front sound-absorbing member 20, the front sound-absorbing member 20 has a first member and a second sound-absorbing through diameter having a first sound absorbing through diameter The second member and the third member having a third sound-absorbing hole diameter are formed overlapping, wherein the first member to the third member, the second diameter portion and the second diameter portion different in diameter from the first diameter portion and the present first diameter portion; It is composed of a third diameter portion of the same diameter as the first diameter portion, the power supply unit 30 is characterized in that the solar photovoltaic power generation and commercial power is mixed.

Here, the road soundproofing wall including the impact detection function is provided with a rear sound absorbing member 22 on the front surface, an elastic member 28 is installed on the rear surface is fastened to the H beam-shaped strut 11, the front sound absorbing The member 20 is provided by being coupled to the front surface of the rear sound absorbing member 22.

Here, the front sound absorbing member 20 includes a sound absorbing through-hole 21 having a diameter varying along the width of the front sound-absorbing member 20, so that when viewed in a vertical section, the sound-absorbing through-hole 21 is formed. do.

Here, the noise introduced into the muffler-shaped sound absorbing through-hole 21 is reflected through the inner wall of the portion in which the diameter of the sound absorbing through-hole 21 is reduced, so that the noise is impinged in the opposite direction and reflected in the reverse direction and the noise proceeds in the forward direction. Interference between them can occur and noise attenuation effect can be obtained.

In addition, the installed side wall of the soundproof wall has a substantially trapezoidal shape, which increases the surface area where the noise directly rubs against the noise, and reduces the diffraction noise without raising the height of the soundproof wall by arranging the friction angle of the noise in the direction opposite to the direction of the noise. You can.

Here, the front sound absorbing member 20 may be provided to overlap the three members for ease of manufacture. In the case of forming the front sound absorbing member 20 by overlapping three members, three members having a predetermined thickness may be provided, but the present invention is not limited thereto and may be provided by a combination of three members having various thicknesses. .

In the case of providing the front sound absorbing member 20 by combining the three members, the coupling method may be a bolt fastening method, a snap fit fastening method, a bonding method using an adhesive, a method of using a fixing pin through a hole, and the like. Other variations may be combined.

In addition, the engaging portion 26 included in the front sound absorbing member 20 is installed in the fitting type to the upper, lower catches 24, so that when the partial damage of the front sound absorbing member 20, this front sound absorbing member Replacement of the 20 is easy, so that the work cost and the maintenance cost can be reduced.

Here, the noises attenuated through the front sound absorbing member 20 are introduced into the rear sound absorbing member 22 including the sound absorbing material 23 therein and further attenuated.

Here, the sound absorbing material 23 included in the rear sound absorbing member 22 may be provided with various materials, and preferably, such as a porous sound absorbing material 23 for converting sound energy into thermal energy, such as urethane, or the like, or a fiber board. A fibrous sound absorbing material 23 having sound absorption effect by absorbing sound energy while sound waves vibrate the plate can be selectively adopted.

In addition, by adding an elastic material (not shown) having an excellent sound absorption effect and elasticity inside the elastic member 28, it is possible to improve the soundproofing efficiency as a soundproof wall, and to reduce human injury that may occur when a traffic accident occurs. .

Preferably, the elastic material may be provided with a material such as styrofoam or sponge, but is not limited thereto and may be provided with various materials having an equivalent effect.

As described above, the road sound insulation wall including the impact detection function primarily attenuates the introduced noise from the front sound absorbing member 20 having a muffler shape, and from the rear sound absorbing member 22 including the sound absorbing material 23. Secondary attenuation, and may be composed of a road soundproof wall that includes a shock detection function having a step-by-step noise attenuation effect finally attenuated in the elastic member 28 including an elastic material.

In addition, the elastic member 28 includes a sensing unit 32 and a transmission unit 34 therein, and the power supply unit 30 installed on the soundproof wall is composed of solar self-generation and commercial power 33. It is provided with a mixed power supply unit 30.

Preferably, the solar absorption unit 31 is installed to be inclined to absorb the sunlight as efficiently as possible, which may also have an additional effect of preventing moisture entering the soundproof wall in rainy weather.

Here, the power supply unit 30 is a power storage unit (not shown) for storing the power generated by the solar photovoltaic power generation and switching unit for selectively controlling the connection to the power storage unit and the commercial power source 33 ( Not shown).

That is, the power stored in the power storage unit is preferentially connected to the sensing unit 32 and the transmission unit 34, and the power stored in the power storage unit is depleted due to environmental factors such as cloudy weather and rainy season. In this case, the commercial power supply 33, the detection unit 32 and the transmission unit 34 is connected by the switching unit is configured to supply the necessary power.

Alternatively, the power supply unit 30 is a photosensitive sensor (not shown) for detecting the sunlight intensity and the switching unit for selectively controlling the connection to the solar power generation and commercial power 33 in accordance with the signal of the photosensitive sensor ( Not shown).

That is, when the solar cell is capable of supplying power to the detector 32 and the transmitter 34 by power generation (the solar intensity detected by the photosensitive sensor is greater than or equal to), the solar absorber 31 is switched by the switching unit. ) And the detector 32 and the transmitter 34 are connected.

On the contrary, when solar power generation is impossible to supply power to the detection unit 32 and the transmission unit 34 (the solar intensity detected by the photosensitive sensor is less than a certain level), the switching unit controls the commercial power source 33 and the power supply. The detector 32 and the transmitter 34 are connected.

By configuring the power supply unit 30 in the above-described manner, it is possible to continuously provide power to the sensing unit 32 and the transmitting unit 34, and the sensing unit 32 and the transmitting unit 34 consumes Power can be managed efficiently.

Here, the sensing unit 32 is installed on one inner wall of the elastic member 28 and is installed away from a predetermined distance from the other inner wall.

The detector 32 includes a vibration sensor (not shown) having a serial number (identifiable according to region) therein, and sends a three-stage signal to the transmitter 34 according to the detected vibration intensity. It is configured to be.

The vibration strength mentioned above is

Step 1: If there is no problem with the safety of the vehicle driver and repair of the soundproof wall is unnecessary,

Step 2: If the driver of the vehicle is expected to be injured, and repair and repair of the soundproof wall such as replacement of the front sound absorbing member 20 is required,

Step 3: The vehicle driver may be seriously injured and the sound wall breakage is expected.

Here, when the step-by-step signal sensed by the detector 32 is sent to the transmitter 34 with the serial number, the transmitter 34 transmits the input signal to the central system (public institution managing road facilities). Prepared in a manner.

For this transmission, various methods including wireless transmission and wired transmission may be employed.

4 is an exploded perspective view and a side view of the front sound absorbing member 20 according to the present invention.

Referring to FIG. 4, the front surface absorbing member 20 has a rectangular parallelepiped first member 20a for forming a first diameter portion D1 and a second member for forming a second diameter portion D2. 20b and the 3rd member 20c for forming the 3rd diameter part D3 were overlapped, and were formed.

Here, each member is provided based on the same central axis of the sound absorbing through holes (21a, 21b, 21c), by forming the same diameter of the first diameter portion (D1) and the third diameter portion (D3), It is possible to form the sound absorbing through-hole 21a, 21b, 21c in the shape of a muffler inside the front sound absorbing member 20.

Here, when noise is introduced into the sound absorbing through holes 21a, 21b, and 21c, the introduced noise is reflected through the inner wall of the portion where the diameters of the sound absorbing through holes 21a, 21b, and 21c are reduced, thereby hitting the inner wall in the reverse direction. The interference phenomenon occurs between the noise reflected in the forward direction and the noise traveling in the forward direction, which may have a noise attenuation effect.

In addition, in FIG. 4, the thicknesses of the members are illustrated to be the same, but the thickness of the members is not limited thereto and may have various thicknesses.

That is, the thickness of each member may be the same, and it may manufacture by changing thickness.

      The front sound absorbing member 20 including the muffler-shaped sound absorbing hole 21 configured in the above-described manner may be provided by engaging the engaging portion 26 to the upper portion.

      As the coupling method of the front sound absorbing member 20, various modifications can be made, such as a bolt fastening method, a bonding method using an adhesive, and a method of using a fixing pin through a hole.

As described above, the road noise barrier including the impact detection function according to the present invention,

Noise and diffraction noise can be reduced efficiently without raising the height of the sound barrier.

In addition, in the replacement and repair of the soundproof wall, it is possible to increase the ease of operation and the efficiency of the cost.

In addition, it is possible to effectively prevent the corrosion of the sound barrier due to the inflow of snow or rain water, it is possible to extend the life of the sound barrier wall as a whole.

In addition, it is possible to immediately respond in the event of a traffic accident, thereby minimizing the casualties caused in the event of an accident.

In addition, by supplying power to the detector and the transmitter using a mixed power supply (photovoltaic, commercial power), it is possible to minimize the power consumed by the detector and the transmitter.

Claims (3)

A front sound absorbing member having a plurality of sound absorbing holes formed therein, including a catching portion at an upper portion thereof, and having a side cross section having a 7-character shape; A rear sound absorbing member including a sound absorbing material therein and including upper and lower fastenings for engaging with the catching portion, and having a trapezoidal shape; An elastic member provided for sound absorbing effect and shock mitigation; A detection unit installed inside the elastic member to detect an impact applied to the elastic member; A transmitter for transmitting a signal when an impact is detected by the detector; Is installed on the upper surface of the elastic member, connected to the sensing unit and the transmission unit includes a power supply for supplying power, The sound absorbing through hole is formed by varying the diameter along the width of the front sound absorbing member, wherein the front sound absorbing member has a first member having a first sound absorbing through diameter and a second sound absorbing through hole having a second sound absorbing through diameter; The 3rd member which has a diameter overlaps, and the said 1st member thru | or 3rd member is the diameter of the 2nd diameter part which differs in diameter from a 1st diameter part, this 1st diameter part, and the same diameter as the said 1st diameter part. It is composed of a third diameter portion, the power supply is a soundproof wall for roads comprising a shock detection function, characterized in that the solar photovoltaic power generation and commercial power mix.        The method of claim 1,        The power supply unit includes a power storage unit for storing the power generated by the solar photovoltaic power generation and a shock detection function further comprises a switching unit for selectively controlling the connection to the power storage unit and the commercial power source; Soundproof walls for roads.         The method of claim 1,        The power supply unit includes a photosensitive sensor for sensing the intensity of sunlight and a switching unit for selectively controlling the connection to the solar power generation and commercial power in accordance with the signal of the photosensitive sensor includes a shock detection function, characterized in that Soundproof walls for roads.

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