KR101921975B1 - Air curtain for city bus - Google Patents

Abstract

The present invention relates to an air curtain for a city bus, which can blow air and spray mist harmless to human bodies, is easy to install, and can prevent accidents which can be caused when an air curtain is separated from a bus by vibration after installation. The air curtain for a city bus according to an embodiment of the present invention includes: an air curtain body forming an air curtain by having a vent on the lower part thereof; a mounting bracket for fixing and supporting the air curtain body; an air curtain support plate for fixing and supporting the air curtain body; a mounting part having a buffering washer and buffering pad disposed between the mounting bracket and the inner wall of the bus; an air pressure generating unit for generating air pressure supplied to the vent; an air filter having a plurality of honeycomb filter nets and a ceramic ball for removing foreign matters from the induced air; and a mist spray unit having a water purifying unit for purifying water used as mist.

Description

Air curtain for commercial bus (city bus and sightseeing bus) {Air curtain for city bus}

The present invention is to prevent external air from being leaked from the outside of the bus while being installed at an entrance of the bus, and more specifically, In addition, it is possible to control the air blowing direction to a certain extent, effectively purify the blowing air and the mist to be sprayed, so that the air blowing and the mist can be harmlessly sprayed to the human body, and the air curtain can be easily installed The present invention relates to an air curtain for a commercial bus, which can prevent an accident that may occur due to separation or separation.

In general, the bus includes heating and cooling functions, and the passengers get on and off each time they stop at the stop.

As described above, when the doors are opened or closed, the outside air flows into the inside of the vehicle during cooling or heating, or the air in the inside or outside is influenced by the temperature inside the passenger compartment. As a result, And the passengers will feel uncomfortable due to being hot or cold.

Especially, in case of city bus, two doors are installed on the driver's side and the center side, so that both doors are opened when getting in and out of the station, so that the leakage of the inside air and the inflow of outside air are more serious.

In order to solve the above problems, the air curtain system is applied to the bus in the prior art document 1 (the air curtain device of the bus entrance 10-0174079) to reduce the energy loss.

However, there is a high possibility that the air blown by the air curtain is contaminated by the inflow port provided on the foot side, and the air cleaner can purify the air, but the effect becomes insufficient.

In addition, since air particles are not densely sprayed only by air, the blocking effect is also somewhat small.

Prior Art Document 1 (Air Curtain Device at Bus Entrance of Registration No. 10-0174079)

SUMMARY OF THE INVENTION The present invention has been devised to solve the above-mentioned problems, and it is an object of the present invention to provide an air curtain which is easy to install and capable of absorbing vibrations generated during bus operation, It is possible to increase the durability and to prevent the accident that may occur due to the falling of the bus due to the vibration due to the vibration generated during the bus operation, , It is possible to further enhance the blocking effect of the ventilation and the outside air. In addition, it is possible to effectively purify the purified water and the air discharged through the air curtain by itself, so that it can be used hygienically. Provides air curtain for commercial bus that can feel fresh feeling And that is the purpose.

In order to solve the above-described problems, an air curtain for a commercial bus according to an embodiment of the present invention is provided with a blowing port 110 at a lower portion thereof to blow an air toward a door of a bus 10 to form an air curtain A mounting bracket 210 provided on the rear side of the air curtain body 100 for fixing the air curtain body 100 to the bus 10 and fixing the air curtain body 100 to the mounting bracket 210; And an air curtain supporting plate 220 for fixing and supporting the air curtain body 100 while being fitted to the mounting bracket 210. A buffer washer 213 is provided between the mounting bracket 210 and the inner wall of the bus 10, A mounting part 200 provided between the mounting bracket 210 and the mounting bracket 210 and having a cushioning pad 214 for absorbing and reducing the vibration transmitted from the mounting bracket 210 to the air curtain supporting plate 220; The air curtain body 100 is installed inside the air curtain body 100 A plurality of honeycomb filter nets 420 and a plurality of honeycomb filter nets 420 disposed on one side of the air curtain body 100 to generate a wind force to be blown to the air curtain body 110, The air filter 400 is installed inside the air curtain body 100 and includes a ceramic ball 421 for removing foreign substances from the air to be introduced into the air outlet 110, And a mist sprayer 500 having an intrinsic part 520 for spraying mist to an air curtain blown through the water curtain and capable of purifying water used as a mist by itself.

Here, the air inlet 110 is further provided with an air curtain to exchange the fragrant agent therein, and a fragrance portion 120 to diffuse the fragrance from the mist.

The air curtain body 100 is installed on the ceiling of the rear magnet side of the bus 10 and is blown toward the driver's seat side to form an air curtain.

The air curtain for a commercial bus according to an embodiment of the present invention has the following effects.

First, it is effective to keep the room temperature efficiently by preventing the outflow of internal air during cooling and heating or the inflow of external air into the inside of the door when opening / closing the door of a bus.

Second, as the air curtain is sprayed with the mist, the density of the air curtain can be increased to maintain a high blocking rate.

Third, it is easy to install on the bus and can absorb the vibration generated during bus operation, thereby increasing the durability of the air curtain device and weakening the coupling state due to vibration. .

1 is an overall perspective view of an air curtain for a commercial bus according to an embodiment of the present invention;
FIG. 2 is a view showing a state of use in which an air curtain for a commercial bus is installed in a bus in accordance with an embodiment of the present invention. FIG.
3 is an exploded perspective view showing the internal structure of an air curtain for a commercial bus according to an embodiment of the present invention.
4 is an overall sectional view of an air curtain for a commercial bus according to an embodiment of the present invention
5 is a cross-sectional view showing the configuration of an installation part before an air curtain for commercial buses is installed on a bus according to an embodiment of the present invention
6 is a cross-sectional view showing a configuration of an installation part in a state where an air curtain for a commercial bus is installed on a bus according to an embodiment of the present invention
7 is a partially enlarged perspective view showing in detail a filter structure of an air curtain for a commercial bus according to an embodiment of the present invention.
FIG. 8 is a perspective view illustrating the structure of a mist dispenser of an air curtain for a commercial bus according to an embodiment of the present invention. FIG.
FIG. 9 is a cross-sectional view showing a state in which an air blowing portion is provided in an air curtain for a commercial bus according to an embodiment of the present invention
10 is a cross-sectional view showing a state in which an air curtain for a commercial bus according to an embodiment of the present invention is installed at the rear of the bus room to inject air to the driver's seat side

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air curtain for a commercial bus, and more particularly, to an air curtain for commercial buses, which can be easily installed on a bus and includes a buffer for absorbing vibration generated during bus operation, It is possible to maximize the blocking effect by increasing the density of the air curtain by spraying the mist together, and it is also possible to purify the purified water of the water and the air to be blown by itself and use it hygienically The present invention relates to an air curtain for a commercial bus.

Hereinafter, an air curtain for a commercial bus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an overall perspective view of an air curtain for a commercial bus according to an embodiment of the present invention, FIG. 2 is a state view showing a state where an air curtain for a commercial bus is installed in and out of a bus according to an embodiment of the present invention, FIG. 3 is an exploded perspective view showing an internal structure of an air curtain for a commercial bus according to an embodiment of the present invention, and FIG. 4 is an overall sectional view of an air curtain for a commercial bus according to an embodiment of the present invention.

1 to 4, the present invention mainly includes an air curtain body 100, an installation unit 200, a wind power generation unit 300, an air filter 400, and a mist dispenser 500 .

The air curtain body 100 is provided at one side or both sides of the air outlet 110 to blow air in the vertical direction along the width and length direction of the bus door, A blowing direction adjusting unit 120 installed at an end portion of the air blowing hole 110 to generate a smell so as to blow air with a smell, Member 130 as shown in FIG.

The blowing direction adjusting member 130 includes a pivoting nozzle 131 for adjusting a blowing direction while being rotated for a predetermined interval and a pivoting nozzle 131 for pivoting the upper portion of the pivoting nozzle 131 (Not shown).

The mounting portion 200 is for mounting the air curtain body 100 on the inner wall of the bus 10 and is provided between the air curtain body 100 and the inner wall of the bus 10 to mount the air curtain body 100 The state can be firmly maintained for a long period of time, and the detailed configuration will be described in detail with reference to FIG. 5 and FIG. 6 to be described later.

The wind power generating unit 300 generates wind power to be blown. The wind power generating unit 300 includes a blowing fan 310 that is installed inside the air curtain body 100 to generate wind power while being rotated, and a blowing fan 310 that continuously rotates the blowing fan 310 And a motor (320).

Thus, outside air can be introduced into the air curtain body 100 from the inside of the air curtain body 100 to be blown.

The air filter 400 is installed in a direction in which air is introduced into one side of the air curtain body 100, and the air curtain, which is injected into the air blowing hole 110 by the plurality of filters, can be hygienically injected .

The mist dispenser 500 injects water to the air curtain side together, so that the air curtain can make the particles denser by the mist, thereby enhancing the blocking effect.

FIG. 5 is a cross-sectional view illustrating a configuration of an installation part before an air curtain for a commercial bus according to an embodiment of the present invention is installed on a bus. FIG. 6 is a cross- Sectional view showing the configuration of the mounting portion in the state of FIG.

5 and 6, the mounting unit 200 includes an installation bracket 210 fixed to an inner wall of the bus 10 to support the air curtain body 100, and a mounting bracket 210 fitted to the mounting bracket 210 And an air curtain supporting plate 220 fixedly installed on the entire mounting surface of the air curtain body 100 and fixedly supporting the air curtain body 100.

The mounting bracket 210 is installed at the upper and lower portions of the mounting bracket 210 when the mounting bracket 210 is bolted to the inner wall of the bus 10, The air curtain supporting plate 220 is bent and bent upward from the center of the mounting bracket 210 toward the air curtain supporting plate 220 so as to be engaged with the air curtain supporting plate 220. The air curtain supporting plate 220 is made of a metal material having elasticity, An air curtain fixing piece 212 which is partially deformed when the curtain supporting plate 220 is fitted and then restored when the air curtain supporting plate 220 is fully inserted and the air curtain supporting plate 220 is retained by elasticity A mounting bracket 210 provided on the inner wall of the bus of the bolt buried groove 211 and provided between the mounting bracket 210 and the inner wall of the bus 10, A shock absorbing washer 213 for absorbing vibration or impact generated from the bus 10 between the inner wall of the air curtain fixing plate 212 and the inner wall of the bus 10 and the air curtain supporting plate 220 And a cushioning pad 214 for supporting a lower portion of the air curtain supporting plate when engaged and performing a buffering action between the air curtain fixing member 212 and the air curtain supporting plate 220.

The air curtain supporting plate 220 includes a bracket coupling portion 221 fitted to the air curtain fixing piece 212 to firmly support the entirety of the air curtain body 100, And a coupling inducing slope 222 for guiding the air curtain supporting plate 220 to be fitted while being deformed more easily when the air curtain fixing piece 212 is fitted to the upper portion of the curtain fixing piece 212.

When the air curtain supporting plate 220 is inserted into the mounting bracket 210, the head portion of the bolt is further loosened by the air curtain supporting plate 220 So that it can be held firmer than the coupled state roll.

This makes it possible to easily install the air curtain body 100 on the inner wall of the bus 10 and to prevent the durability of the air curtain from being lowered due to the vibration generated during the operation of the bus 10 after the installation And the air curtain body 100 is prevented from being separated and falling down due to vibration or impact applied to the inner wall of the bus 10 for a long time.

7 is a partially enlarged perspective view illustrating an air filter structure of an air curtain for a commercial bus according to an embodiment of the present invention.

Referring to FIG. 7, the air filter 400 includes a mesh net 410 installed at the outermost side of the air curtain main body 100, through which air is introduced, for filtering contaminants of a comparatively large size from the incoming air, (Honeycomb) in which a plurality of hexagons are continuously arranged in the air curtain main body 100 and is installed inside the mesh net 410. In the air curtain body 100, A honeycomb filter net 420 installed to sandwich the honeycomb filter net 420 to guide the air introduced into the honeycomb filter net 420 into contact with the honeycomb filter net 420, A ceramic ball 421 disposed inside the honeycomb filter net 420 for passing the honeycomb filter net 420 and the ceramic ball 421 through the fine holes formed therein; A dry filter 430 made of a nonwoven fabric, paper, or the like for removing foreign matter remaining in the air, and a wet filter 440 for removing residual foreign matter from air passing through the dry filter 430 by moisture .

The wet filter 440 can be kept wet at all times by the mist sprayed from the mist sprayer 500, which will be described later, to enhance air filtering efficiency.

The wet filter 440 further includes a filter liquid recovery unit 450 for recovering the filter liquid that has flown downward due to its own weight without being evaporated in the wet filter 440, do.

The filter liquid recovery unit 450 includes a recovery tank 451 disposed at a lower portion of the wet filter 440 to receive the remaining filter liquid and a recovery tank 451 extending upward from one side of the recovery tank 451, A recovery pipe 452 for transferring the remaining filter liquid recovered to the mist spraying unit 500 to the side of the mist sprayer 500 and a recovery pump 453 for providing the pressure to be transferred to the mist sprayer 500 side .

Here, a filtering net 452a is further provided at a portion where the return pipe 452 communicates with the collecting box 451, so that a foreign substance having a relatively large size among the foreign substances mixed together with the filter liquid can be primarily removed and recovered .

Accordingly, the air introduced from the outside can be purified by a multi-stage filter, so that the air blown by the tuyeres 110 can be sprayed harmlessly and hygienically to the human body. In addition, the remaining filter liquid is used for the wet filter, .

FIG. 8 is a perspective view illustrating the structure of a mist dispenser of an air curtain for a commercial bus according to an embodiment of the present invention.

8, the mist sprayer 500 includes a water storage tank 510 for storing a predetermined amount of water that can be sprayed into the mist while the bus 10 is in operation, a water storage tank 510 connected to the water storage tank 510, A water pump 520 for injecting purified water from the water purification unit 520 to the wet filter side of the air filter 400, Side injection nozzle 530 and a blowing-side-side injection nozzle 540 for injecting purified water into the air curtain side through the blowing opening 110 in the form of a fan.

The water storage tank 510 is provided with a mist supply pump 511 to supply the water stored in the water storage tank 510 to the water purification unit 520 by a predetermined amount so as to be purified by the water purification unit 520, (530) and the tuyereside side injection nozzles (540) so as to be jetted in a fan shape.

The water purification unit 520 includes a casing 521 for purifying water by reverse osmosis and having a circular tubular shape in which the inflow water is held for a predetermined time and a casing 521 inside the casing 521, And a water filter 522 which is spaced apart by a predetermined distance and is purified while water flowing into the casing 521 passes therethrough.

At this time, the casing 521 is provided with an inlet port 521a connected to the mist supply pump 511 of the water storage tank 510 to allow the water stored in the water storage tank 510 to flow toward the casing, The casing 521 and the water filter 522 are partitioned from each other so that the water introduced into the inlet 521a flows through the water inlet 521a, The water is discharged through the outlet 522a and purified by the pressure of the mist supply pump 511 through the water filter 522 and discharged.

The dispenser 500 is operated only when the door is opened by interlocking with a separate sensor (not shown) for sensing that the door of the bus 10 is opened or closed.

Accordingly, a certain amount of water can be stored during the operation of the bus 10 to purify water itself, and at the same time, a certain amount of mist can be sprayed toward the wet filter 440. At the same time, Thereby increasing the density of the air curtain, so that it is possible to more effectively block the inside air and the outside air.

FIG. 9 is a cross-sectional view illustrating an air curtain for a commercial bus according to an embodiment of the present invention.

Referring to FIG. 9, the air outflow opening 110 of the air curtain body 100 may further include a deodorizing portion 120.

The smell diffusion part 120 includes a smell diffusion storage part 121 capable of storing the smell diffusion agent and a smell diffusion support network 122 for supporting the smell diffusion agent on both sides of the smell diffusion storage part 121 .

The smell diffusion support network 122 includes a support network pivot hinge 122a that supports the smell diffusion support network 122 by a hinge so as to be openable and closable and a pivot support hinge 122b which is provided on the other side of the support network pivot hinge 122a, And an opening / closing part 122b that can be opened / closed.

Accordingly, the fragrance can be sprayed together with the air blowing, so that it is possible to prevent the air curtain from feeling discomfort when the passenger is boarded, and to switch the passenger's mood.

10 is a cross-sectional view illustrating a state in which an air curtain for a commercial bus according to an embodiment of the present invention is installed on the rear side of the bus room to inject air toward the driver's seat side.

Referring to FIG. 10, the air curtain including the above-described configurations may be installed on the ceiling of the rear end portion of the bus 10 to blow air toward the driver's seat side.

In the case of the tourist bus, the entrance door is installed only in the front side, and the cooling effect or the heating effect becomes weaker toward the rear seat side, so that the passengers in the rear seat can not be provided with sufficient cooling or heating. An air curtain is installed at the entrance door At the same time, air curtains are selectively installed on the rear seat side to actively circulate airflow on the rear seat side, so that the circulation of the airflow inside the bus can be actively performed.

Therefore, the air circulation can be circulated in the bus efficiently, and the air conditioning or heating can be circulated evenly, so that the rear seat side, which is relatively free from the cooling effect or heating effect, can be provided without insufficient cooling and heating, It is possible to maximize the cooling effect by blocking the heat transmitted to the ceiling of the refrigerator.

The present invention as described above is installed in a door that is opened and closed during a bus operation so as to prevent the internal air from leaking out and to prevent external air from flowing into the bus door so that the bus room can be maintained at a comfortable temperature. It is possible to increase the blocking effect by increasing the density of the air curtain by spraying the mist together, and it is possible to effectively purify the water injected into the mist and the air introduced and discharged from the outside by itself, It is possible to prevent the bus from falling down while being detached from the bus due to the ease of installation in the existing bus, the durability being lowered due to the vibration generated during the operation after the installation, and the weakened state due to vibration.

10: bus 100: air curtain body
110: blowing port 120:
121: fragrant agent storage part 122: fragrance agent support network
122a: Supporting network rotation hinge 122b:
130: a blowing direction adjusting member 131: a pivoting nozzle
132: support housing 200: installation part
210: mounting bracket 211: bolt buried groove
212: Air curtain fixing piece 213: Buffer washer
214: buffer pad 220: air curtain support plate
221: Bracket coupling portion 222: Coupling induction slope
300: wind power generation unit 310: blowing fan
320: drive motor 400: air filter
410 mesh network 420 honeycomb filter network
421: ceramic ball 430: dry filter
440: wet filter 450: filter liquid recovery part
451: Collection tank 452: Collection tank
452a: filter net 453: return pump
500: Fountain sprayer 510: Water storage tank
511: Missing supply pump 520:
521: casing 521a: inlet
522: Water filter 522a: Outlet
530: Filter side spray nozzle 540: Sight side nozzle

Claims (3)

An air curtain body 100 having an air blowing hole 110 at a lower portion thereof to form an air curtain by jetting air to the door door side of the bus 10;
A mounting bracket 210 provided on the rear side of the air curtain body 100 for mounting and fixing the air curtain body 100 to the bus 10 and a mounting bracket 210 fitted to the mounting bracket 210, The air curtain supporting plate 220 and the mounting bracket 210 are installed between the mounting bracket 210 and the inner wall of the bus 10, A mounting part 200 provided between the mounting bracket 210 and the cushioning pad 210 to absorb and reduce vibrations transmitted from the mounting bracket 210 to the air curtain supporting plate 220;
A wind power generating unit 300 installed in the air curtain body 100 to generate wind power to be blown to the tuyeres 110;
A mesh net 410 installed at one side of the inside of the air curtain body 100 for filtering contaminants of a comparatively large size from the air that is installed on the outermost side where air flows into the air curtain body 100, A honeycomb filter network (not shown) which is installed inside the air curtain body 100 and is provided inside the mesh net 410 and removes foreign matter made of relatively small particles from the air having passed through the mesh net 410 The honeycomb filter 420 is installed in the honeycomb filter net 420 to guide the air flowing into the honeycomb filter net 420 into contact with the honeycomb filter net 420, A ceramic ball 421 for adsorbing foreign matter and dust, and a foreign matter remaining in air passing through the honeycomb filter net 420 and the ceramic ball 421 installed inside the honeycomb filter net 420 An air filter 400 comprising a dry filter 430, and a liquid filter 440 for removing foreign matter by the residual moisture in the dry air that has passed through the filter 430 to remove; And
The air blowing fan 100 is installed inside the air curtain body 100 and has a water purification part 520 having a water purification part 520 capable of purifying water used as a mist while spraying mist to an air curtain blowing through the air blowing hole 110. [ (500)
The wet filter 440 may further include a filter liquid recovery unit 450 for retaining the wet filter 440 in the wet filter 440 and returning the filtered liquid to the lower part of the mist sprayer 500 without being evaporated, ,
The air outlet 110 is further provided with an air curtain for exchangeably storing the odorant and a fragrance forming part 120 for dispersing the fragrance from the mist. And a blowing direction adjusting member (130) capable of guiding blowing while adjusting a blowing direction at a predetermined angle,
The blowing direction adjusting member 130 includes a pivoting nozzle 131 for adjusting a blowing direction while being rotated for a predetermined interval and a pivoting nozzle 131 for pivoting the upper portion of the pivoting nozzle 131 And a support housing (132)
Wherein the air curtain body (100) is installed on the ceiling of the rear magnet side of the bus (10) and blows air to the driver's seat side to form an air curtain.
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