KR102043352B1 - Air-cleaning and sound-absorbing device equipment for tunnels - Google Patents

Abstract

The present invention relates to an air purification and sound absorbing device installed at equal intervals on a wall surface of a tunnel, comprising a housing installed in an upper surface or wall surface of a cavity of the tunnel, having an open front surface, and having a perforated plate be assembled to allow the air to flow into the front opening; a machine room provided inside the housing; a filter unit surrounding the machine room; and a sound absorbing member installed between the filter unit and the front perforated plate. A blower installed in the machine room forcibly suctions air to purify the air through the filter unit, and the sound absorbing member reduces the noise inside the tunnel.

Description

Air-cleaning and sound-absorbing device equipment for tunnels}

The present invention relates to an air purification and sound absorption device installed in a tunnel to purify air and reduce noise.

More specifically, it is installed at equal intervals inside the tunnel, and the air is circulated to purify the air through filtering, and the sound absorbing member is provided to reduce the noise, thereby improving the environment of the tunnel and protecting the health of the driver and the tunnel operator. It relates to a tunnel air purification and sound absorption device.

The air inside the tunnel contains many harmful pollutants such as fine dust, nitrogen oxides, sulfur oxides, formaldehyde, and volatile organic compounds. They are a mixture of fine dust from the outside and the smoke from the vehicle. They are present in the tunnel without being discharged to the outside and adhere to the walls of the tunnel, the lights and the surface of various facilities.

Pollutants in tunnels can harm the health of the operator as well as the tunnel operator, dimming the lighting and frequently cleaning the tunnel, thus costing you money and exposing you to danger at all times. There is a problem that can only be.

Of course, in order to purify the air inside all tunnels, a method of forcing air circulation in the longitudinal direction of the tunnel by installing a jet fan (JET-FAN) inside the tunnel is widely practiced. The disadvantage is that the material is not effectively discharged out of the tunnel.

Therefore, recently, various apparatuses for purifying air in tunnels have been developed. Among them, Patent No. 10-0619632 has a sound absorbing and air purifying apparatus for tunnels for purifying air in tunnels using water.

In this device, the body of FRP is installed on the inner wall of the tunnel, while a fixed end is formed at the bottom of the body, and it is installed in the recess of the sidewall bottom concrete, and is fixed with bolts. A plurality of fans are formed on the vertical support, the rear of which is fixed by bolts are installed, the inner filter and the outer filter are fitted to the front of the body, the rubber sealing member formed with an open water inlet is attached to the top In the upper part of the body, a water supply pipe having a plurality of injection holes formed at the bottom is installed in communication with the water transport pipe as a connecting pipe, the water transport pipe is fixed to the upper end of the body by a fixture and a fixed body, the top of the water transport pipe An air purifying body covered with an upper cover; It is installed on the inner wall of the tunnel, while a fixed end is formed at the lower end, and is installed in the recess of the side wall bottom concrete, and is fixed with bolts, and a plurality of front holes are formed at the front side, and side holes are formed at the side. The lower frame is provided with a sound absorbing member inside the body in which the protruding end is formed stepwise, and the wing parts having a plurality of fixing holes are formed at both sides in a hollow state so that the protruding end is fitted in the upper part of the lower frame. The first upper frame of the streamline form a pipe hole through which the water transport pipe passes, and like the first upper frame, wing parts are installed on both sides, and bolts are fixed to the upper wall of the tunnel, and the first upper frame is hollowed inside. The air purifying body and the sound absorbing body are sequentially installed in the configuration including the sound absorbing body composed of the second upper frame in communication.

By the way, when looking at this device, it is installed on the tunnel wall surface, it is difficult to install the device unless the first time the tunnel is constructed, there is also a problem of difficult facility management.

In addition, the air purifying device of the tunnel of Patent No. 10-1184084 also has a problem that the construction is difficult unless it is the first time to construct the tunnel as described above.

As another example, Korean Patent Laid-Open Publication No. 10-2012-0062368 may be an air purifying process by plants disposed inside tunnels and soils in which plants grow.

A tunnel structure including a ceiling and a side wall, the space defining a space separated from the outside, the tunnel structure comprising: a base formed at a lower end of the side wall to support the tunnel structure, the exhaust pipe penetrating into and out of the base; Plant growth is formed adjacent to the exhaust pipe in the longitudinal direction from the inside of the base, the plants and soil therein, and is formed to be vented with the exhaust pipe; And an exhaust fan formed outside the base adjacent to the exhaust pipe and exhausting air.

However, this form has a problem that the hollow spheres of the tunnel disappear. In other words, this method has a problem in that the structure is equipped with plant growth on each side of the tunnel, but is located in the common premises necessary for the tunnel, and when it is installed on the upper surface of the common ward, it is difficult to replace or maintain the facilities installed in the common ward. If it is located, there is a problem that the road is narrowed, and there is a problem that installation is difficult in reality.

The present invention has been made in view of the above-described conventional problems, and its object is to be installed at equal intervals on the wall surface of the tunnel or the upper surface of the cavity, and there is no fear that the road will be narrowed. And a sound absorbing device.

It is another object of the present invention to provide an air purification and sound absorption device for a tunnel that can clean the air inside the tunnel by arranging the sound absorbing member-filter unit continuously, thereby reducing the noise to protect the health of the driver and the tunnel operator. There is.

In addition, the present invention is an invention that can significantly reduce the number of times to clean the tunnel by preventing the fine dust, etc. adhered to the inside of the tunnel by purifying the air, thereby reducing the cost.

In addition, the present invention provides a device that can be easily separated and assembled from the housing to facilitate the cleaning and replacement of the filter.

The present invention is an air purification and sound absorption device installed at equal intervals on the wall surface of the tunnel,

A housing which is installed on the upper surface or the wall of the cavity of the tunnel, the front of which is open, and in which the perforated plate is assembled to allow air to enter the front opening; A machine room provided inside the housing; A filter unit surrounding the machine room; And a sound absorbing member installed between the filter unit and the front porous plate, wherein the blower installed in the machine room forcibly sucks air to purify the air through the filter unit, and the sound absorbing member absorbs noise inside the tunnel. There is a characteristic to reduce.

The present invention is an invention that can be improved in the environment by protecting the health of the driver and the tunnel operator, and further reduce the noise, by purifying the air without being occupying a lot of space is arranged at equal intervals in the tunnel.

Second, the present invention has the effect of greatly reducing the number of times the tunnel cleaning, thereby reducing the cost by purifying the air.

Third, the present invention can easily separate and assemble the filter from the housing has the effect of easy cleaning and replacement of the filter.

1 is a perspective view showing an example in which the present invention air purification and sound absorption device is applied,
2 is a front view showing an example of a tunnel to which the present invention is applied;
3 is a perspective view showing an example of an air purification and sound absorption device according to the present invention;
4 is a plan sectional view showing an example of an air purification and sound absorption device according to the present invention;
5 is a perspective view of a filter unit applied to the present invention;
6 is a perspective view of a supporting frame applied to the present invention,
Figure 7 is a side view of the withdrawal unit applied to the present invention,
Figure 8 is an enlarged perspective view of the main portion of the withdrawal unit to be applied to the present invention,
9 is a front view showing another example of the withdrawal unit according to the present invention;
10 is a schematic diagram showing a process of drawing out the filter of the present invention;
11 is a perspective view showing another shape of the air purification and sound absorption device of the present invention;
12 is a perspective view showing another shape of the air purification and sound absorption device of the present invention;
Figure 13 is a perspective view showing another embodiment of the present invention air purification and sound absorption device.

In the following description of the embodiments, the same reference numerals refer to the same configuration, and additional descriptions that may be duplicated or limited in meaning of the invention may be omitted in describing the embodiments of the present invention.

Prior to the detailed description, the concept of the invention, in spite of the singular form of the present disclosure, in light of the circumstances in which the singular / plural is not clearly distinguished in the use of Korean language and the general terminology used in the art. It is used in the sense that it includes plural expressions unless otherwise contradictory or clearly different from each other. In addition, 'includes', 'haves', 'comprises', 'comprises', and the like, as described or described herein, may indicate the presence or addition of one or more other features or components or combinations thereof. It should be understood that it is not excluded in advance.

In one aspect, the present invention relates to a housing, a sound absorbing member assembled to the housing, and a filter unit.

In another aspect, the present invention includes a withdrawal unit to facilitate the withdrawal of the sound absorbing member and especially the filter unit.

The present invention also includes a unit for the operator to recognize the withdrawal state of the filter, for example, whether to pull out only the first filter or to pull out the first and second filters together.

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

In the figure, the air purifying and sound absorbing device of the present invention is disposed at equal intervals on the cavity surface or wall surface of the tunnel, preferably 5 to 20m, more preferably 10m intervals. Installation interval of 5m or less is unnecessary, and more than 20m may not be smooth air circulation and air purification.

The air purifying and sound absorbing device 10 according to the present invention includes a housing 100, a sound absorbing member 200, and a filter unit 300.

Housing (100)

The housing according to the present invention has a flat cross section as shown in the figure such that a semicircle, a rhombus, a triangle, and the like to selectively suck and purify air in the entrance and exit directions of the tunnel.

The housing 100 of the present invention is configured in a semicircular, rhombus or triangular in order to allow air intake or exhaust in the tunnel inlet or outlet direction. For example, the air may be sucked from the entrance direction and the front side of the tunnel to purify the air and discharged toward the exit direction of the tunnel, or the configuration may be selected from the exit direction and the front side to discharge the entrance direction. According to the environment of the installation angle and position of the blower to be described later, the blower, and the outlet for discharging the purified air.

The housing 100 of the present invention comprises a back plate 120, a top plate 140 positioned at the top of the back plate, and a bottom plate 160 installed at the bottom thereof to form a bottom. It consists of a front plate 102 assembled between the plates.

The front plate 102 is made of a porous plate in which a plurality of air inlet 104 is perforated at equal or irregular intervals, is made of non-metal or synthetic resin in consideration of being installed in a humid tunnel.

On the other hand, the front plate 102 intakes air, protects the components installed inside the housing, there is a space between the sound-absorbing members to help the sound absorption, cushioning the impact in the vehicle collision to protect the driver, etc. Do it. That is, the vehicle crashes and cushions the shock.

A wall is erected between the bottom plate 160 and the top plate 140, and a machine room 180 in which a blower 20 is installed inside the wall is provided, and a filter unit and a sound absorbing member are installed in front of the machine room. to be.

In the machine room, the partition wall 184 is erected on the front surface, and the air vent 182 penetrating the partition wall is connected to the blower 20 to allow air to circulate therethrough, but the positions of the partition wall and the air vent are different from one example. Direction, and two or more blowers may be arranged.

Sound absorbing member 200

The sound absorbing member 200 according to the present invention may be disposed between the front plate 102 and the filter unit 300 or may be selectively disposed inside the filter unit, and the present invention is described as being disposed between the front plate and the filter unit. do.

The sound absorbing member 200 includes a first sound absorbing layer and a second sound absorbing layer, and basically includes one of polyester fiber, glass fiber, and synthetic resin.

The first sound absorbing layer is provided with protrusions at regular intervals on each of the front and rear surfaces, and the protrusions are inclined to surround the incoming sound, and an area capable of absorbing noise per unit area is enlarged.

The second sound absorbing layer may be made of the same or similar structure as the first sound absorbing layer, and overlap the first sound absorbing layer, or may have a honeycomb form.

The sound absorbing member of the present invention is inserted into the support frame to be described later to move, it is assembled or withdrawn to the housing so that it is possible to remove the filter unit installed as well as cleaning.

Filter unit 300

The filter unit 300 according to the present invention is composed of the third filter 302, 304, 306 from the first filter, but may be further provided with more filters, if necessary, each filter is meshed The air can be purified by changing the mesh, or the purification conditions can be changed by using different materials.

For example, the first filter 302 is composed of an ultrafine filter to filter out fine dust and viruses, and the second filter 304 is made of activated carbon having a large surface area to have a deodorizing effect due to adsorption. The filter 306 may be made of glass fiber or the like so that ultra fine dust, mold, or the like may be filtered.

The first to third filters 302, 304 and 306 according to the present invention have a planar shape similar to that of the flat section of the housing, and are divided into at least two or more.

For example, the filter unit shown in this invention is provided in the lozenge-shaped apparatus 10, is divided into three, and each split filter is assembled and comprised in a rhombus shape.

Each frame of the filter 310 is provided with a support frame 320 made of metal, non-metal or synthetic resin, the support frame 320 is coupled to a hinge (not shown) to be folded, separated, or assembled It is.

For example, the hinge may have a circular ring at each of the upper and middle ends and one lower end of the support frame, and a circular ring at the adjacent support frame. The ring is overlapped up and down, and a simple configuration to be assembled and separated by fitting the hinge pin to the circular ring, it is easy to handle, there is an advantage that the assembly and separation operation is easy.

This configuration is to facilitate the exchange and assembly of the filter.

The device of the present invention is to purify the air inside the tunnel. Therefore, the overall size of the device is larger than the general home, and the filter is inevitably larger.

Therefore, the present invention includes a support frame 400 and a withdrawal unit 500, which will be described later, comprising the first to third filters as a split filter, so that the operator can easily pull out the filter, replace and wash Easy handling, easy transport, and further facilitates replacement and filter cleaning.

Support frame 400

The support frame 400 according to the present invention includes a guide rail 420 for guiding the movement of the filter unit and the support frame is fitted with a fitting frame 440.

The support frame 400 is located on the left and right sides of the filter unit 300, respectively, and the first to the third filter 302, 304, 306, three, so that the filter can be fitted If further provided may be provided more.

The guide rail 420 is provided with an expansion tube 422 at the beginning to facilitate entry, and to facilitate the storage of the filter by a smooth movement.

The fitting frame 440 that is erected at the end of the guide rail 420 is to be fixed to the support frame of the filter, is built on the botem plate, it is a configuration that is fixed in close contact with the back plate.

The fitting frame 440 is provided with a magnet 460 in the inner side of the "C" shape having an opening. This magnet is in close contact with the support frame 320, and is to be easily assembled when fitting the filter.

For example, when the worker pushes the filter to reach the position close to the magnet, the magnet pulls the filter tightly, and the operator does not need to check again whether the filter is properly fitted.

Where the support frame 320 is a metal, the magnetic force is acting, if the other material is to provide a separate metal in the same position as the magnet.

Filter take out unit (500)

Filter outflow unit 500 according to the present invention is to be able to easily take out the filter when replacing and cleaning the filter.

As described above, in the present invention, the third filter or more filters are provided in multiple layers from the first filter. Therefore, the present invention can be conveniently taken out by using the withdrawal unit when a part or all of the filter is removed when the filter is replaced and washed.

In the present invention, the filter take-out unit 500 is composed of a round bar 502, the withdrawal portion 520 is provided at one end and the hook portion 540 to be able to pull the filter on the opposite outer peripheral surface and , Position recognition unit 560 for indicating the rotation position of the handle.

The lead portion 520 is composed of a handle 522 that the operator can pull or push by hand, the handle 522 is rotated up and down about the rotating shaft 524 provided at the tip, and downward To be folded or unfolded horizontally, the hook portion 540 is composed of a hook piece protruding on the outer surface of the circular rod 502.

The hook portion 540 is composed of first and second hook pieces 542 and 544 and has an angle of 135 ° between the two hook pieces.

That is, the first hook piece 542 protrudes from the center of the upper end of the circular rod, and the second hook piece 542 protrudes obliquely to the lower right side based on the drawing.

On the other hand, the second and third filters (304, 306) is provided with a mating member 340 corresponding to the hook portion 540, so that the hook portion is fitted or, on the contrary, one or all of the hooks may be caught at the hook portion. To make it possible.

First, since the first filter is at the innermost side and must always be pulled out in order to remove the rear second filter and the third filter, the joining member to which the hook portion is fitted is unnecessary.

That is, the first filter is provided with a position recognizing unit 560, which will be described later, and the round bar is fitted therethrough.

The fitting member 340 has a fitting hole () formed at the center so that the hook piece is fitted, and the fitting hole is composed of two or four as shown in the figure.

In other words, in the center fitting member installed in the second filter, the first fitting hole 342 and the second fitting hole 344 are formed at the same position as the hook piece.

The rear fitting member installed in the third filter further includes the first and second fitting holes 342 and 344 and the third and fourth fitting holes 346 and 348. The third fitting hole is formed at an angle of 45 ° clockwise from the first fitting hole, and the fourth fitting hole is formed at an angle of 45 ° clockwise from the second fitting hole.

The positioning unit 560 according to the present invention is to allow the operator to recognize the position of the handle, that is, the angle of rotation to know what filter to remove.

First, the lead portion 520 is composed of a handle 522 and the rotating shaft 524, to be connected to the rotary shaft integrally or by a connecting means, the rotary shaft is installed in the first filter or housing It is installed through the positioning unit.

In the positioning unit, three sensors 562 are installed at three points, for example, at a 45 ° angle in a clockwise direction with respect to the 12 o'clock point of view when viewed from the front side, and a connecting part connected to the sensor at the rotating shaft ( 564) is equipped. The connection part is also provided at the center of the center of the rotary shaft, that is, 12 o'clock, the reference is based on when the handle is placed horizontally or vertically.

In the figure, reference numeral 566 is a display window.

The current state is displayed on this display window, and a sensor and a connection part are connected, and the position is displayed on the display window. For example, when the number "1" is displayed, only the first filter can be taken out, "2" is a state where the first filter and the second filter can be taken out together, and "3" is the first to third filters. Can be taken out at the same time.

Alternatively, it can also be indicated by LED lamps. According to the position, two LED lamps are sequentially turned on. It can also be displayed by voice. It is to output the recorded voice according to the sensor signal.

12 is a view showing another embodiment of the present invention.

In this embodiment, the lamp 600 is installed on the upper surface of the housing 100.

The lamp 600 notifies the operation state of the device, and indicates the timing of cleaning and replacing the filter installed inside the housing.

For example, if the lamp is lit red, it means that the filter is cleaned or replaced, and it is easy for the administrator to know. If it is blue, it is operating normally.

The lamp 600 operates according to a signal of a detection sensor installed inside the housing, and the detection sensor detects contamination of the filter, for example, an air inflow rate due to clogging of a pore, and the control unit receives the lamp to control the lamp.

The lamp is an LED lamp, which can output a variety of colors as needed, informing the driver through the tunnel that the air purification is being made, lighting the tunnel and psychologically stable, also has a visual effect to be.

In addition, 700 is a monitor.

This monitor basically shows when to replace or clean the filter. For example, the last filter replacement date and cleaning date are recorded, and the next date is automatically calculated and displayed.

The operator sees this date and cleans or replaces the filter. On the other hand, the present invention can operate in conjunction with the above-described lamp and the date displayed on the monitor.

For example, the date calculated by the controller is displayed on the monitor, and when one week or a preset date has elapsed from the replacement or cleaning date, the controller operates the lamp to notify the user.

In addition, the monitor may display the air pollution level by receiving a signal from the air pollution detection sensor that is installed separately in the tunnel, a number of functions such as the speed of the vehicle, the number of vehicles can be added in combination.

The following describes the use state of the present invention having such a configuration.

The device of the present invention is installed at equal intervals, for example 5-20 M, preferably 10 M, inside the tunnel and placed on the cavity or on the tunnel wall.

In the state in which the housing is fixed in the tunnel, the operator pushes the first to third filters together, and the filters are moved along a guide rail installed at the bottom of the housing, and are fixed by a magnet when the fitting frame is reached.

Of course, the sound absorbing member is assembled in the same way.

When the blower 20 operates to inhale air, the air in the tunnel passes through the sound absorbing member 200 and passes through the filter unit to purify the air.

The purified air from the filter unit, that is, the first filter, passing through the second filter is discharged in a direction different from the suction direction, and the suction member reduces the noise generated by the passage of the vehicle to reduce the noise in the tunnel.

After a certain time, during the cleaning or replacement operation of the filter unit 300 or the sound absorbing member 200, the operator removes the front plate 102 of the device, and then removes them. At this time, by pulling the filter unit and the sound absorbing member, the guide rail 420 may be moved and easily removed and reinserted.

On the other hand, the operator can select and take out the filter unit.

First, as shown in FIG. 10A, when the first filter 302 is pulled by the handle in a state where the hook part is initially assembled, that is, the first hook piece 542 is located at 12 o'clock, the hook part is the second and third filters. Only the first filter 302 can be removed by passing through the fitting member.

The second filter is pulled out while the knob is rotated 45 ° clockwise.

When the handle is rotated, the round bar and the hook portion rotate to be in the state B of FIG. 10. In other words, the hook piece of the hook part is passed through the third and fourth fitting holes of the rear fitting member, and the third and fourth fitting holes are not provided in the intermediate fitting member, so that the hook piece hangs the second filter by pulling the handle. .

The third filter rotates the knob 45 degrees further. (Fig. 10 C)

When the handle rotates, the hook portion rotates, and the hook portion rotates to a position where the fitting member has no fitting hole, and the third filter is pulled out to pull out the first to third filters together.

As such, the present invention has a convenient advantage that the operator can insert the round bar and then rotate and select the filter.

As described above, those skilled in the art to which the present invention pertains will understand that the present invention may be implemented in other specific forms without changing the technical spirit or essential features. Therefore, it should be understood that the embodiments described above are all illustrative and not restrictive. The scope of the present invention should be construed as being included in the scope of the present invention all changes or modifications derived from the meaning and scope of the claims to be described later rather than the detailed description and equivalent concepts thereof.

100 housing 200 sound-absorbing member
300: filter unit 400: support frame
500: withdrawal unit

Claims (4)

Air purification and sound absorption device installed at equal intervals on the wall of the tunnel,
A housing which is installed on the upper surface or the wall of the cavity of the tunnel, the front of which is open, and in which the perforated plate is assembled to allow air to enter the front opening;
A machine room provided inside the housing;
A filter unit surrounding the machine room;
And a sound absorbing member installed between the filter unit and the front porous plate.
A blower installed in the machine room forcibly sucks air to purify the air through the filter unit, and the sound absorbing member includes reducing noise inside the tunnel,
The filter unit is to be composed of the first to the third filter, each filter is moved along the guide rail installed in the bottom of the housing, fitted or separated in the fitting frame standing perpendicular to the end of the guide rail,
A magnet is provided inside the fitting frame, and a metal support frame is provided at the edge of each filter to prevent the filter from being pulled out by the magnetic force when it is fitted to the fitting frame, and an expansion is provided at the beginning of the guide rail. Including facilitating
Filter outflow unit is installed to facilitate the cleaning and replacement of the filter unit,
The filter outlet unit is provided with a withdrawal portion is provided on one side of the round bar, a hook portion for pulling the filter on the opposite side, made of a configuration equipped with a handle that can be pulled or pushed in the withdrawal portion,
The hook portion is composed of the first and second hook pieces,
The second and third filters are provided with a mating member corresponding to the hook portion, wherein the center fitting member of the second filter has a first fitting hole and a second fitting hole formed at the same position as the hook piece.
The rear fitting member installed on the third filter further includes first and second fitting holes and third and fourth fitting holes, wherein the third fitting holes are formed at an angle of 45 ° clockwise from the first fitting holes. The four holes are made of a configuration formed at a 45 ° angle clockwise from the second hole,
And rotating the knob to remove the first filter or the first and second filters, or the third filter from the first filter at one time.
delete delete According to claim 1, wherein the housing is composed of a top plate assembled on the top of the back plate, a bottom plate assembled on the bottom of the back plate and a front perforated plate installed between the top plate and the bottom plate, the flat cross section is rhombus, Tunnel air purification and noise reduction device comprising one consisting of a semicircle or triangle.

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