KR101425639B1 - A roads automatic cleaning device - Google Patents

A roads automatic cleaning device Download PDF

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Publication number
KR101425639B1
KR101425639B1 KR1020120121614A KR20120121614A KR101425639B1 KR 101425639 B1 KR101425639 B1 KR 101425639B1 KR 1020120121614 A KR1020120121614 A KR 1020120121614A KR 20120121614 A KR20120121614 A KR 20120121614A KR 101425639 B1 KR101425639 B1 KR 101425639B1
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KR
South Korea
Prior art keywords
road
unit
storage tank
washing water
heating
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KR1020120121614A
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Korean (ko)
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KR20140056677A (en
Inventor
조용성
이성혁
도성
Original Assignee
한국철도기술연구원
주식회사 오에스테크윈
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Priority to KR1020120121614A priority Critical patent/KR101425639B1/en
Publication of KR20140056677A publication Critical patent/KR20140056677A/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road surface automatic washing apparatus, and more particularly, to a road surface automatic washing apparatus capable of easily removing contaminants such as pollen, yellow dust, and dust piled on a road, will be.
According to an aspect of the present invention, there is provided a washing machine comprising: a supply part for supplying washing water; a spray part for spraying wash water supplied to the supply part; and a control part for controlling the spray part.

Description

A roads automatic cleaning device

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road surface automatic washing apparatus, and more particularly, to a road surface automatic washing apparatus capable of easily removing contaminants such as pollen, yellow dust, and dust piled on a road, will be.

Recently, the number of vehicles on the road has increased due to the improvement of people 's level of living consciousness, and the condition of the road surface has been getting worse due to exhaust gas and dust. However, measures for solving this problem are insufficient.

Therefore, a variety of road surface cleaning vehicles such as the Korean Utility Model Application No. 20- 2005-36707 "Road surface cleaning vehicle" have been proposed as a method for removing the contaminants on the road surface, and the road surface cleaning vehicle And cleaning is carried out to remove foreign substances and the like.

However, when the road surface is cleaned using a cleaning vehicle, pollen and dust accumulated on the road surface of the road on which the vehicle is traveling are left unchanged by cleaning leaves and garbage collected on the edge of the road surface, Dust and the like are blown away, and it is transmitted to pedestrians and residents near the road, and health is harmed.

In addition, since a considerable amount of time and manpower are required to clean a road using a cleaning vehicle, there is a problem that a considerable cost is consumed every time the road is cleaned.

When cleaning the road surface using a cleaning vehicle at a time when a lot of vehicles are driving on the road, it is necessary to clean the vehicle at night or at dawn, There was a problem.

On the other hand, when snow accumulates on the road during the winter season, the snow removal material is sprayed on the road using the Korean Utility Model Registration No. 424993, "detachable spraying device"

However, such conventional spraying apparatuses have a problem that the spraying apparatus, which is a separate snowing apparatus, must be attached to the vehicle and filled with the spraying material, so that the time for the snowing work is greatly delayed,

In addition, since the conventional snow removal method requires the vehicle to move to the corresponding area, when the snow can not pass through the snow-covered area, the snow can not be removed from the vicinity of the snow-covered area, There is a problem that a lot of manpower is consumed and the cost is considerably increased.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a spraying unit for spraying washing water on a road, have.

In addition, there is provided a storage tank for storing washing water underground, and a measuring instrument for measuring the contamination state is provided on the road. By spraying the washing water stored in the storage tank on the road according to the measurement of the measuring instrument, The object of the present invention is to prevent the risk of the vehicle slipping while keeping the road clean, thereby enabling the vehicle to run safely on the road.

Also, it is possible to easily remove the foreign matter adhered to the road surface by heating the wash water supplemented to the storage tank to produce hot water washing water, storing the hot water in the storage tank and spraying it on the road to clean the road It has its purpose.

The storage tank for storing the hot water is further provided with temperature holding means for keeping the temperature of the hot water constant so that the temperature of the hot water stored in the storage tank is always kept constant to prevent the heat loss. have.

Meanwhile, it is an object of the present invention to reduce energy by producing hot water by using solar heat when producing the hot water.

In addition, by installing a snowy material storage tank for storing the snowy material underground, when the snow accumulates on the road in the winter season, the measuring device measures the snowy material stored in the snowy material storage tank on the road, The purpose is to make the vehicle safe to operate.

The spraying portion for spraying the washing water spraying agent or the spraying agent is provided at a central portion of the road so as to be installed at the center of the road and sprayed to both sides thereof so as to quickly remove foreign matter or snow accumulated on the road.

It is another object of the present invention to provide a foreign substance removing unit at a central portion of a road, and to provide a foreign substance removing unit with a brush to easily remove foreign matter adhering to the road surface.

According to an aspect of the present invention, there is provided a washing machine comprising: a supply part for supplying washing water; a spray part for spraying wash water supplied to the supply part; and a control part for controlling the spray part.

Here, the supply unit may include a supply pipe provided with a compression pump.

The supply unit may further include a wash water storage unit for storing wash water.

The washing water storage unit may include a storage tank for storing washing water flowing through a supply pipe of the supply unit, and first and second connection pipes connected to a supply pipe at an upper end and a lower end of the storage tank.

Furthermore, a heating cable is wound around the outer side of the storage tank, and a heat insulating material covering the heating cable is provided.

In addition, a heating unit for heating the washing water supplied to the storage tank is further provided.

Here, the heating unit includes a solar collecting plate, a battery that is supplied with the condensed electric energy from the solar collecting plate, a battery that stores electricity output from the battery, And a heating member for heating the washing water circulating through the one connection pipe.

The injection unit is installed at the center of the road.

Further, the jetting portion is provided at the edge of the road surface.

Here, the jetting unit may include a jetting member fixed to a ground surface of the road, and a jetting nozzle connected to a supply pipe may be provided on a side of the jetting member.

Further, the injection unit is installed on the side of the edge block of the road.

The controller may include a meter for measuring the state of the drawing, and a control member for receiving the information of the meter and operating the pressure pump.

Further, the supply unit is further provided with a stocker storage unit.

Here, the storage material storage unit may include a storage tank having a third connection pipe connected to the supply pipe.

In addition, a foreign substance removing unit for removing foreign substances on the road is further provided.

Here, the foreign substance removing unit may include a frame member having a plurality of rails in the width direction of the road, and a plurality of rollers mounted on the rails, a brush is provided under the frame member, And the member is provided with a motor for driving any one of the plurality of rollers.

According to the present invention configured as described above, there is an effect that a spraying portion for spraying washing water on the road is provided to automatically measure the degree of pollution of the road, and then the washing water is sprayed to remove contaminants.

In addition, there is provided a storage tank for storing washing water underground, and a measuring instrument for measuring the contamination state is provided on the road. By spraying the washing water stored in the storage tank on the road according to the measurement of the measuring instrument, There is an effect that the vehicle can safely run on the road while preventing the risk of the vehicle being slipped while keeping the road clean.

In addition, the washing water to be supplemented to the storage tank is heated to produce washing water of hot water, and the produced hot water is stored in a storage tank and sprayed on the road to clean the road so that the foreign substances adhered to the road surface can be easily removed It is effective.

The storage tank for storing the hot water is further provided with a temperature maintaining means for keeping the temperature of the hot water constant so that the temperature of the hot water stored in the storage tank is always kept constant to prevent heat loss .

On the other hand, when producing the hot water, it is possible to reduce the energy by producing hot water using solar heat.

In addition, by installing a snowy material storage tank for storing the snowy material underground, when the snow accumulates on the road in the winter season, the measuring device measures the snowy material stored in the snowy material storage tank on the road, So that the vehicle can be safely operated.

Further, the spraying portion for spraying the washing water spraying or the spraying material is installed at the center of the road, and is installed at the center of the road and injected to the both sides, so that the foreign matter or snow accumulated on the road can be quickly removed.

In addition, a foreign substance removing unit is provided at the center of the road, and the foreign substance removing unit is provided with a brush, so that the foreign substance attached to the road surface can be easily removed.

1 is a schematic view showing a road surface automatic cleaning apparatus according to the present invention.
2 shows a storage tank of the present invention.
3 shows a heating part of the present invention.
Figures 4 (a) and 4 (b) show the jetting section of the present invention.
FIG. 5 is a view showing the working relationship of the road surface automatic cleaning apparatus according to the present invention. FIG.
6 is a view showing another embodiment of the road surface automatic cleaning apparatus according to the present invention.
7 is a view showing another embodiment of the road surface automatic cleaning apparatus according to the present invention.
8A and 8B are diagrams showing another embodiment of the road surface automatic cleaning apparatus according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an automatic road surface cleaning apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic view showing a road surface automatic cleaning apparatus according to the present invention, FIG. 2 is a view showing a storage tank of the present invention, FIG. 3 is a view showing a heating unit of the present invention, b) is a diagram showing the jetting portion of the present invention.

1 to 4, a road surface automatic washing apparatus 100 according to the present invention includes a supply unit 110 for supplying washing water.

Here, the supply unit 110 includes a supply pipe 112 connected to the groundwater to supply the wash water.

Further, a compression pump 114 for circulating washing water is provided at a predetermined position of the supply pipe 112.

Accordingly, the operation of the compression pump 114 causes the washing water to be supplied through the supply pipe 112.

A washing water storage unit 210 for storing and supplying the washing water supplied through the supply pipe 112 of the supplying unit 110 is provided.

The washing water storage unit 210 includes a first connection pipe 214 connected to the supply pipe 112 at an upper end thereof and a second connection pipe 216 connected to the supply pipe 112 at a lower end thereof. (Not shown).

At this time, a sensing sensor (not shown) for sensing the height of the washing water is provided in the storage tank 212. When the water level of the storage tank 212 falls below a certain level, the washing water is automatically supplied to maintain a constant water level .

The first control valve 116 is provided in the supply pipe 112 and the second control valve 218 is provided in the second connection pipe 216 so that the first and second control valves 116, The groundwater is stored in the compression pump 114 or the storage tank 212 through the supply pipe 112 under the control of the control unit 110. [

Therefore, the washing water is not stored in the storage tank 212 through the supply pipe 112, but can be directly used as washing water on the road. The groundwater is stored in the storage tank 212 through the first connection pipe 214, When the first control valve 116 is shut off and the second control valve 218 is opened, the washing water in the storage tank 212 is discharged to the outside of the compressor 212, The washing water is supplied to the washing tub 114 through the supply pipe 112 to wash the road.

A heating unit 310 for heating the washing water supplied to the storage tank 212 through the first connection pipe 214 is provided at a predetermined position of the first connection pipe 214.

The heating unit 310 includes a solar collecting plate 312 installed on the ground and a storage battery 314 that is collected by the solar collecting plate 312 and supplied with electricity converted into electrical energy.

Further, a battery 316 for receiving and storing electric energy supplied to the battery 314 is provided.

In addition, a heating member 318 is provided to supply the electric energy stored in the battery 316 and heat the washing water passing through the first connection pipe 214 to store the washing water of the hot water into the storage tank 212.

Therefore, the voltage converged by the solar light collecting plate 312 and converted into electrical energy becomes a constant voltage at the battery 314, and the rectified voltage through the battery 314 is stored in the battery 316, The washing water circulating through the connecting pipe 214 can be heated to easily clean the road in the winter season and to remove snow accumulated on the road.

A heating cable 220 is wound around the outer side of the storage tank 212 and a thermal insulating material 222 covering the outer side of the storage tank 212 so as to cover the outer side of the heating cable 220.

Therefore, the hot wash water heated by the heating unit 310 and stored in the storage tank 212 is heated by the excitation of the heating cable 220 wound on the outer side of the storage tank 212, .

A spraying part 410 for spraying washing water moving through the supply pipe 112 of the supplying part 110 onto the surface of the road is provided.

The spraying unit 410 includes a spraying member 412 disposed at the center line of the road and a nozzle pipe 414 connected to the supply pipe 112 at both sides of the spraying member 412.

Further, an injection nozzle 416 installed on the injection member 412 and connected to the nozzle pipe 414 to inject wash water supplied through the supply pipe 112 onto the surface of the road is provided.

Therefore, the washing water supplied through the supply pipe 112 can be sprayed through the injection nozzle 416 to easily remove pollen, dust, dust, etc. accumulated on the surface of the road.

A control unit 510 for controlling the washing water supplied through the supply pipe 112 by controlling the compression pump 114 provided in the supply pipe 112 is provided.

Here, the controller 510 is installed at the upper part of the road, and is provided with a meter 512 for detecting foreign matter such as dust accumulated on the road surface.

At this time, the measuring instrument 512 analyzes the air on the road surface and operates the compression pump 114 according to the concentration of the dust and foreign matter, so that the washing water is sprayed on the road surface through the spray nozzle 412 of the spray part 410.

The control unit 514 receives the measured information from the measuring unit 512 and operates the compression pump 114 to supply or block the washing water to the spray unit 410 through the supply pipe 112.

Therefore, the measuring instrument 512 measures the state of the road, that is, the dust accumulated on the road, transmits the information to the control member 514, analyzes the received information, operates the compression pump 114, And the washing water is sprayed to the surface of the road through the spray nozzle 416 of the spraying unit 410 to perform the washing operation.

On the other hand, the road surface automatic washing apparatus 100 is automatically controlled by the control unit 510 and transmits and receives control signals and information through the network.

The operation of the automatic road surface cleaning apparatus according to the present invention will now be described.

FIG. 5 is a view showing the working relationship of the road surface automatic cleaning apparatus according to the present invention.

As shown in the figure, when the pollen, yellow dust, dust, etc. are accumulated on the road, the meter automatically senses the road surface automatic washing apparatus 100 according to the present invention and the information sensed by the measuring device 512 is transmitted to the control member 514 So that the compression pump 114 is operated.

When the compression pump 114 is operated, the washing water is supplied to the spraying unit 410 through the supply pipe 112 connected to the groundwater, and the washing water supplied through the supply pipe 112 is sprayed from the spraying unit 410 And sprayed onto the surface of the road through the nozzle 416 to remove dust or the like accumulated on the road.

By installing the jetting part 410 on the road, dust and the like accumulated on the road are detected, and the dust and the like on the road are removed by spraying the washing water, so that the clean road can be maintained at all times, It is possible to prevent the occurrence of dust during the operation of the vehicle and to prevent the health of the pedestrian from being deteriorated.

On the other hand, when the foreign object is stuck to the winter season or the road, dust and foreign matter on the road are removed using the hot water washing water stored in the storage tank 212.

The washing water stored in the storage tank 212 is heated by the heating cable moving into the first connection pipe 214 using the solar heat, 220 and the heat insulating material 222 at a constant temperature.

When washing the road using the washing water stored in the storage tank 212, the first control valve 118 provided in the supply pipe 112 is shut off under the control of the control member 514, When the second control valve 218 provided in the connection pipe 216 is opened, the washing water stored in the storage tank 212 is discharged to the supply pipe 112 through the second connection pipe 216 by the operation of the compression pump 114, And warm washing water supplied to the supply pipe 112 is sprayed onto the surface of the road through the injection nozzle 416 of the spraying unit 410 to maintain the road surface in a clean state.

The measuring device 512 analyzes the air on the road surface and determines that the washing water is sprayed through the spray nozzle 416 according to the concentration of dust and foreign matter.

In addition, the manager can directly control the snow when it comes to the road surface, and clean the road surface by spraying the wash water.

As described above, in the road surface automatic washing apparatus 100 according to the present invention, when a lot of foreign matters such as dust are piled up on the road, the washing water is sprayed to keep the road clean, thereby preventing danger such as slipping of the vehicle, .

6 is a view showing another embodiment of the road surface automatic cleaning apparatus according to the present invention.

As shown in the figure, the supply pipe 112 of the supply unit 410 for supplying the wash water stores a lumber material for performing snow removal in the winter season, and a stocker storage unit 610 for spraying the lumber material on the road. .

The storage material storage unit 610 includes a storage tank 612 having a third connection pipe 614 connected to the compression pump 114 or the supply pipe 112.

At this time, the snow remover stored in the stocker storage tank 612 is filled with the calcium chloride solution.

Further, a third control valve 616 is provided at a predetermined position of the third connection pipe 614 to selectively discharge the storage material stored in the storage tank 612.

Accordingly, when snow accumulates on the road, it is measured by the measuring device 512 to provide information to the control unit 510, and the control unit 510 controls the third control unit 510, When the valve 616 is opened, the snow remover stored in the snow remover reservoir 612 is supplied to the jetting unit 410 by the operation of the compression pump 114 and is sprayed onto the road through the jetting nozzle 416.

The working relationship of the road surface automatic cleaning apparatus according to the present invention constructed as described above is performed in the same manner as in the former, and a description of the working relationship is omitted here.

However, if snow accumulates on the road in the winter season, or if the ice is on the road, it is measured by the measuring device 512 and provided to the control unit 510, and is provided to the third connecting pipe 614 under the control of the provided control unit 510 The third control valve 616 is opened and the compression pump 114 is operated so that the snow remover stored in the snow remover reservoir 612 is supplied to the compression pump 114 through the third connection pipe 614, The snow removing material supplied to the compression pump 114 is supplied to the spraying unit 410 through the supply pipe 112 and sprayed to the road through the spraying nozzle 416.

In this way, the snow accumulated on the road is quickly melted and processed, so that the vehicle can be safely operated.

7 is a view showing another embodiment of the road surface automatic cleaning apparatus according to the present invention.

As shown in the figure, the injection nozzle 416 of the spray unit 410 is installed at the edge of the road, and is installed on the side so as to face the road at the boundary between the road and the road.

The working relationship of the road surface automatic cleaning apparatus according to the present invention constructed as described above is performed in the same manner as in the former, and a description of the working relationship is omitted here.

8A and 8B are views showing still another embodiment of the road surface automatic cleaning apparatus according to the present invention.

As shown in the drawing, a foreign matter removing unit 710 installed on the center line of the road and traveling in a width direction of the road while removing foreign matter such as dust accumulated on the road is provided.

Here, the foreign material removing unit 710 is provided with a plurality of rails 712 in the width direction of the road.

Further, a plurality of rollers 716 are mounted on the upper portion of the rail 712, and a frame member 714 is provided at the center line of the road.

In addition, a brush 718 is provided at the lower end of the frame member 714 to remove foreign matter remaining on the ground.

Further, a motor 720 installed in the frame member 714 and driving one of the rollers 716 of the plurality of rollers 716 is provided.

At this time, the motor may be provided at both sides of the frame member so as to be able to drive the rollers provided at both sides of the lower portion of the frame member.

The working relationship of the road surface automatic cleaning apparatus according to the present invention constructed as described above is as follows.

In the road surface automatic washing apparatus 100 according to the present invention, when foreign matter such as dust accumulates on the road, the measuring unit 512 measures the accumulated foreign matter, and the measured information is transmitted to the control unit 510 to operate the motor 720 do.

When the motor 720 is operated, the roller 716 is operated by the operation of the motor 720. When the roller 716 moves along the rail 712, As shown in Fig.

At this time, when the frame member 714 travels in the width direction of the road, foreign substances such as dust accumulated on the road surface are removed by the brush 718 provided below the frame member 714.

As described above, the frame member 714 reciprocates along the rail 712 in the widthwise direction of the road, thereby easily removing the foreign matter adhering to the road surface, thereby keeping the road surface clean at all times.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It is also within the scope of the present invention.

100: Road surface automatic cleaning device 110: Supply part
112: supply pipe 114: compression pump
116: first control valve 210: wash water storage part
212: storage tank 214: first connection pipe
216: second connection pipe 218: second control valve
220: Heating cable 222: Insulation
310: Heating part 312: Solar condenser
314: Battery 316: Battery
318: Heating member 410:
412: injection member 414: nozzle tube
416: injection nozzle 510; The control unit
512: measuring instrument 514: control member
610: Stock material storage unit 612: Stock material storage tank
614: Third connection pipe 616: Third control valve
710: foreign matter removing unit 712: rail
714: frame member 716:
718: Brush 720: Motor

Claims (16)

A supply unit for supplying wash water,
A spraying portion for spraying the washing water supplied to the supplying portion,
A control unit for controlling the injection unit,
And a foreign substance removing unit for removing foreign substances from the road,
The supply unit is provided with a wash water storage unit and a builder storage unit provided in the basement to store wash water,
The washing water storage unit may include a storage tank for storing wash water flowing through a supply pipe of the supply unit, and first and second connection pipes connected to the supply pipe at upper and lower ends of the storage tank,
A heating cable is wound around the outer side of the storage tank and a heat insulating material covering the heating cable is provided,
Wherein the injection portion is provided at any one of a central portion of a road, an edge of a road surface, and an edge block side portion of a road,
Wherein the control unit is provided with a measuring device for measuring the state of the road surface,
And a control member for operating the pressure pump based on the information of the measuring device. The method according to claim 1,
Wherein the supply unit is provided with a supply pipe having a compression pump. delete delete delete 3. The method of claim 2,
And a heating unit for heating the washing water supplied to the storage tank. The method according to claim 6,
The heating unit is provided with a solar condenser,
A condenser provided with the condensed electric energy in the solar condenser,
A battery for storing electricity output from the battery is provided,
And a heating member for heating the washing water circulating through the first connection pipe in response to electricity stored in the battery. delete delete The method according to claim 1,
Wherein the jetting unit is provided with a jetting member fixed to a ground surface of the road,
And a spray nozzle connected to a supply pipe is provided on a side of the spray member. delete delete delete The method according to claim 1,
Wherein the storage material storage unit is provided with a storage tank having a third connection pipe connected to the supply pipe. delete The method according to claim 1,
The foreign matter removing unit may include a plurality of rails in the width direction of the road,
And a frame member having a plurality of rollers mounted on the upper portion of the rail,
A brush is provided under the frame member,
Wherein the frame member is provided with a motor for driving any one of the plurality of rollers.
KR1020120121614A 2012-10-30 2012-10-30 A roads automatic cleaning device KR101425639B1 (en)

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KR101425639B1 true KR101425639B1 (en) 2014-08-04

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* Cited by examiner, † Cited by third party
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KR102119674B1 (en) 2019-07-31 2020-06-08 주식회사 미드니 Road Markers with Pop-up Spraying
KR102215906B1 (en) 2020-09-10 2021-02-16 (주)지티앤 Device for producing nano-bubble water

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KR101717688B1 (en) * 2016-10-24 2017-03-20 (주)에스알디코리아 Unmanned snow removal liquid spraying system
CN107090794A (en) * 2016-11-25 2017-08-25 江西省交通科学研究院 Urban road, bridge atomized water dedusting cooling system
KR101794566B1 (en) * 2017-07-10 2017-11-07 장현실 Advertisement fence with road washing function
CN107881976A (en) * 2017-11-21 2018-04-06 青岛桐轩佳航科技有限公司 Ultra-large type haze removes equipment and system
KR102024675B1 (en) * 2018-08-22 2019-09-25 주식회사 자동기 Snow removal liquid spraying device
KR101961416B1 (en) * 2018-11-23 2019-03-22 블락스톤(주) Iot base low poewer road water injection system

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Publication number Priority date Publication date Assignee Title
KR100225035B1 (en) * 1997-10-07 1999-10-15 정운익 Spraying device for removal of snow on the road
KR200340946Y1 (en) * 2003-10-24 2004-02-05 이텍산업 주식회사 Warm having chloridation calcium solution tank
KR20090046040A (en) * 2007-11-05 2009-05-11 이형근 Watering system and heating scattering apparatus for multipurpose vehicles
KR20120066178A (en) * 2010-12-14 2012-06-22 주식회사 티앤에스 Freezing keep off device of road surface

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100225035B1 (en) * 1997-10-07 1999-10-15 정운익 Spraying device for removal of snow on the road
KR200340946Y1 (en) * 2003-10-24 2004-02-05 이텍산업 주식회사 Warm having chloridation calcium solution tank
KR20090046040A (en) * 2007-11-05 2009-05-11 이형근 Watering system and heating scattering apparatus for multipurpose vehicles
KR20120066178A (en) * 2010-12-14 2012-06-22 주식회사 티앤에스 Freezing keep off device of road surface

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102119674B1 (en) 2019-07-31 2020-06-08 주식회사 미드니 Road Markers with Pop-up Spraying
KR102215906B1 (en) 2020-09-10 2021-02-16 (주)지티앤 Device for producing nano-bubble water

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