KR20210127580A - apparatus for vehicle Air circulation - Google Patents

Abstract

The present invention relates to an air circulation device for a vehicle, which is to supply clean air to the inside of the vehicle by discharging the polluted air in the vehicle and filtering the outside air. According to the present invention, the air circulation device for a vehicle comprises: an exhaust unit which sucks in air in the vehicle and discharges it to the outside; a supply unit which sucks in outside air and supplies it to the inside of the vehicle; and a filter unit which is connected to the supply unit and filters the sucked outside air.

Description

Apparatus for vehicle Air circulation

The present invention relates to an air circulation apparatus for a vehicle, and more particularly, to an air circulation apparatus for a vehicle capable of supplying the inside of a vehicle by filtering outside air while discharging polluted air in the vehicle.

In general, a vehicle is provided with an air conditioner for introducing outdoor air into the interior.

Conventional air conditioners installed in vehicles do not have a function of forcibly discharging indoor air to the outside, so when the air inside is polluted due to the occupant's breathing or smoking, ventilation must be performed through a window.

In addition, in the case of a vehicle used by many people, such as a bus, indoor air is rapidly polluted.

However, when driving in the city center, the pollution caused by soot from automobiles is serious and there is no ventilation effect.

In addition, due to the use of air conditioners in summer and use of heaters in winter, the frequency of opening windows is low, resulting in a large degree of contamination inside the vehicle.

In addition, even when driving without opening the window due to wind noise, etc. during high-speed driving, the pollution inside the vehicle is aggravated.

As described above, if the vehicle interior is not ventilated, there is a risk of accidents such as drowsy driving due to increased CO2 as well as internal air pollution. Also, the number of accidents caused by suffocation is increasing when children are in the car while parking due to lack of ventilation inside the car in summer.

In order to solve this problem, Laid-Open Patent Publication No. 10-2003-0016860 discloses a ventilation device for a vehicle.

The prior document relates to a ventilation device for a vehicle that is installed on the sidewall of a vehicle through the interior and exterior, and is provided with a fan, a grill, and a ventilation hole, and discloses a structure for forcibly discharging internal air to the outside through the fan.

However, in the case of the prior literature, indoor air can be discharged to the outside and outdoor air can be introduced into the interior, but when the outside air is introduced, the contaminated air is directly introduced into the interior and contaminates the indoor air. there is this

In addition, the prior literature is installed so as to penetrate a part of the vehicle body, and must be reflected from the design when manufacturing the vehicle), so installation is not free, and problems such as waterproofing may occur.

In addition, the prior literature has a problem of increasing the internal temperature of the vehicle in summer and lowering the internal temperature of the vehicle in winter because outdoor air is introduced as it is.

Laid-open Patent Publication No. 10-2003-0016860

The present invention has been devised to solve the problems of the prior art, and it is an object of the present invention to provide an air circulation device for a vehicle capable of supplying clean air to the interior of the vehicle by discharging polluted air in the vehicle and filtering outside air. there is this

Another object of the present invention is to provide an air circulation device for a vehicle that can block the inflow of foreign substances and noise in the process of filtering outside air.

Another object of the present invention is to provide an air circulation device for a vehicle capable of supplying the inside of a vehicle by cooling or heating outdoor air to an appropriate temperature for the season.

An air circulation device for a vehicle according to the present invention includes an exhaust unit for sucking air in a vehicle and discharging it to the outside, a supply unit for sucking in outside air and supplying it to the inside of the vehicle, and a filter unit connected to the supply unit to filter the sucked outside air .

And, the exhaust unit is installed on the outside of the vehicle and is connected to the movement guide, the exhaust fan disposed in the movement space, the movement guide and the vehicle in which the movement space in which the outside air or the bet of the vehicle moves is connected to the operation of the exhaust fan. It includes an intake pipe for sucking in the bet of the vehicle by the, and an exhaust pipe connected to the exhaust fan for discharging the intake outside air.

In addition, the supply unit, a suction hopper connected to the movement guide and capable of delivering outdoor air to the movement space, a supply fan disposed in the movement space and sucking outdoor air, the supply fan and the vehicle connected to the operation of the supply fan It includes a supply pipe for supplying the outside air sucked by the inside of the vehicle.

And, it further includes a foreign material blocking portion installed on the inlet side of the suction hopper, the foreign material blocking portion, includes a mesh plate and a baffle plate disposed on one side of the mesh plate.

In addition, the filter unit may be formed of a pre-filter or a HEPA filter.

And, it further includes a silencer disposed inside the suction hopper.

In addition, it further includes a total heat exchanger disposed in the moving space and cooling or heating the outside air sucked by the supply unit according to the external temperature.

And, an exterior surrounding the outer surface of the supply pipe, an insulating material formed on the inner surface of the exterior, a guard portion that is rotatably coupled to the upper side of the exterior in the up and down directions and has ramps formed on both sides based on the central portion of the upper surface, the The shaft is fixed to the vehicle and further includes a rotation driving unit for rotating the guard unit up and down in accordance with the expansion and contraction, and a vibration generating unit for generating vibrations in the guard unit.

The air circulation device for a vehicle according to the present invention is effective in supplying clean air to the inside of the vehicle by discharging polluted air in the vehicle and filtering outside air.

In addition, there is an effect that the outside air can be supplied to the inside of the vehicle by cooling or heating it to an appropriate temperature suitable for the season.

1 is a side view showing a state in which an air circulation device for a vehicle according to the present invention is installed in a vehicle.
Figure 2 is a plan view showing a state in which the vehicle air circulation device according to the present invention is installed in the vehicle.
3 is a cross-sectional view showing a foreign material blocking unit applied to the air circulation device for a vehicle according to the present invention.
4 and 5 are views showing a foreign material removal means applied to the air circulation device for a vehicle according to the present invention.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily carry out the present invention. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Throughout the specification, like reference numerals are assigned to similar parts.

1 is a side view showing a state in which an air circulation device for a vehicle according to the present invention is installed in a vehicle, FIG. 2 is a plan view showing a state in which an air circulation device for a vehicle according to the present invention is installed in a vehicle, and FIG. It is a cross-sectional view showing a foreign material blocking unit applied to the air circulation device for a vehicle according to the present invention.

The air circulation device 1 for the vehicle 120 according to the present invention can supply clean air to the inside of the vehicle 120 while discharging the air in the vehicle 120, and cools or heats the air according to the season or temperature. This is a product that can be supplied to the inside of the vehicle 120 .

To this end, the air circulation device 1 for the vehicle 120 according to the present invention may include an exhaust unit 10 , a supply unit 20 , and a filter unit 30 .

The exhaust unit 10 sucks the polluted air in the vehicle 120 and discharges it to the outside of the vehicle 120 , and the movement guide 11 , the movement guide 11 , the exhaust fan 12 , and the intake pipe 13 . ), it may include a discharge pipe (14).

The movement guide 11 may be selectively installed on any one of the roof 121 , the side surface, and the rear side of the vehicle 120 , and the figure shows an example installed on the roof 121 .

The movement guide 11 may be formed in the form of a box having a movement space inside which the outside air or bet moves.

The exhaust fan 12 sucks air in the vehicle 120 and is disposed in a moving space.

One side of the intake pipe 13 is installed through the ceiling surface of the vehicle 120 , and the other side is installed through the movement guide 11 .

The discharge pipe 14 is connected to the discharge fan 12 and protrudes to the outside of the movement guide 11 .

When the exhaust fan 12 performs an intake operation, the air in the vehicle 120 is sucked into the exhaust fan 12 through the intake pipe 13 and the moving space, and then discharged to the outside through the exhaust pipe 14 .

Meanwhile, the supply unit 20 sucks clean outside air and supplies it to the inside of the vehicle 120 , and may include a suction hopper 21 , a supply fan 22 , and a supply pipe 23 .

The suction hopper 21 is coupled to the movement guide 11 .

The moving space of the moving guide 11 and the inner space of the suction hopper 21 are connected to each other, so that outside air can be introduced into the moving space through the hopper.

The bottom of the suction hopper 21 may be bolted or welded to the roof 121 of the vehicle 120 .

A foreign material blocking unit 40 may be installed in the suction hopper 21 .

The foreign material blocking unit 40 may include a mesh plate 41 installed on the inlet side of the suction hopper 21 and a baffle plate 42 disposed on one side of the mesh plate 41 .

The mesh plate 41 may have an inner cross-section of a scrubber structure.

3, the inside of the mesh plate 41 becomes a barrier 411 in the form of a sawtooth continuously connected.

The barrier 411 may be formed to form a plurality of layers on the mesh plate 41 .

Accordingly, the outside air passes through the barrier 411 formed for each layer and moves to the moving space through the baffle plate 42 , and foreign substances such as snow, rain, and stones are filtered by the barrier 411 .

The baffle plate 42 is disposed on the inside of the hopper rather than the mesh plate 41 .

The baffle plate 42 secondarily blocks foreign substances passing through the barrier 411, and moves only the outside to the moving space.

A plurality of through holes may be formed in the baffle plate 42 to efficiently pass outside air while blocking foreign substances.

Additionally, a silencer 50 is further installed inside the suction hopper 21 .

The silencer 50 may be disposed between the baffle plate 42 and the filter unit 30 to be described later.

The silencer 50 reduces or extinguishes the sound generated outside the vehicle 120 , and in the process of supplying the outside air to the inside of the vehicle 120 by sucking the outside air through the supply unit 20 , the external noise of the vehicle 120 . prevent it from entering the inside.

The supply fan 22 is to suck the outside air, and is disposed in the moving space.

One side of the supply pipe 23 is installed through the ceiling surface of the vehicle 120 in a state exposed to the outside of the movement guide 11 , and the other side is connected to the supply fan 22 .

When the supply fan 22 performs an intake operation, the outside air is sucked into the supply fan 22 through the hopper and the moving space, and then is supplied to the inside of the vehicle 120 through the supply pipe 23 .

The filter unit 30 is accommodated at the inlet side of the movement guide 11 connected to one end of the hopper.

The filter unit 30 may be formed of a pre-filter or a HEPA filter.

The filter unit 30 filters fine dust, ultrafine dust, pollutants, etc. mixed with the outside air introduced through the hopper, so that only clean air is supplied to the inside of the vehicle 120 .

The discharge unit 10 and the supply unit 20 described above may be manually operated or automatically operated by a driver.

When the discharge unit 10 and the supply unit 20 are automatically operated, a sensor (not shown) for detecting fine dust concentration, ultrafine dust concentration, air quality, etc. may be installed inside the vehicle 120 .

The sensor transmits to an electrically connected controller (not shown) when the fine dust concentration, ultrafine dust concentration, air quality, etc. are higher than preset values, and the controller operates the exhaust fan 12 for a preset time to operate the vehicle 120 . After the polluted air inside is discharged to the outside of the vehicle 120 , the supply fan 22 is operated to supply clean air from the outside to the inside of the vehicle 120 .

The total heat exchanger 60 is disposed in the moving space.

Outside air sucked into the moving space through the supply fan 22 is sucked into the supply fan 22 through the total heat exchanger 60 , and then is supplied to the inside of the vehicle 120 through the supply pipe 23 .

At this time, the total heat exchanger 60 cools or heats the outside air according to the outside temperature.

For example, the total heat exchanger 60 cools the outside air to a temperature of about 5° C. to 25° C. in summer so that cold air is supplied to the inside of the vehicle 120, and in winter, the outside air is cooled to a temperature of about 20° C. to about 20° C. It is heated to a temperature of 30° C. so that warm air is supplied to the interior of the vehicle 120 .

In this way, when the outside air is cooled or heated through the total heat exchanger 60 and supplied to the inside of the vehicle 120, it is possible to reduce power consumption by about 50% to 70% in summer compared to a cooling or heating method using pure electricity. In winter, about 60% to 75% of power consumption can be reduced.

Next, a foreign matter removing means applied to the air circulation device for a vehicle according to the present invention will be described with reference to FIGS. 4 and 5 .

4 and 5 are diagrams illustrating a foreign material removal means applied to the air circulation device for a vehicle according to the present invention.

The foreign material removal means may include an exterior 70 , a heat insulating material 80 , a guard unit 90 , a rotation driving unit 100 , and a vibration generating unit 110 .

The exterior 70 surrounds the outer surface of the supply pipe 23 .

The exterior 70 is formed in a semicircular shape, and may include an upper pipe 71 surrounding the upper side of the supply pipe 23 and a lower pipe 72 surrounding the lower side of the supply pipe 23 .

At both ends of the upper pipe 71 and both ends of the lower pipe 72, flanges P in contact with each other are formed.

Therefore, when the entire supply pipe 23 is wrapped with the upper pipe 71 and the lower pipe 72 and then the flange P is bolted together, it is possible to prevent the supply pipe 23 from being exposed to the outside.

The upper pipe 71 and the lower pipe 72 are formed of the insulating material 80 so that the cooled or heated air in the supply pipe 23 is not affected by the external temperature.

That is, it is possible to prevent the temperature of the cooled air from rising in the summer through the upper pipe 71 and the lower pipe 72 and to prevent the heated air from cooling in the winter.

The heat insulating material 80 is respectively attached to the inner periphery of the upper pipe 71 and the lower pipe 72 to surround the supply pipe 23 .

The heat insulating material 80 prevents the temperature of the cooled air from rising in summer together with the exterior 70, and prevents the heated air from cooling in the winter, so that the cooling air or the heating air flows into the interior of the vehicle 120 without heat loss. to be efficiently supplied to

The guard part 90 prevents direct contact of rainwater or snow with the exterior 70, thereby preventing the temperature of the cooling air in the supply pipe 23 from rising due to rainwater or snow, or from cooling the heating air .

The guard portion 90 is disposed on the upper side of the upper pipe (71).

A wrapping groove (90a) surrounding a predetermined area of the upper pipe (71) is formed on the lower surface of the guard part (90).

In addition, a horizontal path 91 is formed in the central portion of the upper surface of the guard unit 90 , and a downwardly inclined ramp 92 is formed on both sides of the horizontal path 91 on both sides. The ramp 92 drains rainwater or snow onto the roof 121 of the vehicle 120 .

The lower surface of the guard portion 90 is hinged H1 to the upper surface of the upper pipe 71 and can be rotated up and down by the rotation driving unit 100 .

The rotation driving unit 100 removes snow or foreign substances accumulated on the guard unit 90 , and may be formed of a hydraulic cylinder.

The rotation driving unit 100 is hinged H2 to the upper surface of the roof 121 of the vehicle 120 , and the piston 101 provided therein is hinged H3 to the lower surface of the guard unit 90 .

When the piston 101 of the rotational driving unit 100 rises, the guard unit 90 is rotated upward to be in an inclined state, so that the snow accumulated on the upper surface of the guard unit 90 goes down the slope 92 and goes down to the roof. Falls to (121).

In this case, the load cells L1 and L2 may be respectively embedded in the horizontal path 91 and the ramp 92 of the guard unit 90 .

The load cells L1 and L2 measure the weight of snow accumulated on the horizontal road 91 and the slope 92 in real time, and when the snow accumulates more than a preset weight, it is transmitted to the above-described control unit. Then, the control unit operates the piston 101 of the rotation driving unit 100 to rise so that the snow falls to the roof 121 .

Furthermore, the guard unit 90 may further include a vibration generating unit 110 for removing the snow that cannot be removed only by the rotation driving unit 100 .

The vibration generating unit 110 is formed of a vibrator. Therefore, the vibration generating unit 110 generates vibration in the guard unit 90 to shake off the snow.

In this case, the control unit may be programmed to simultaneously operate the rotation driving unit 100 and the vibration generating unit 110 .

Those of ordinary skill in the art to which the present invention pertains will understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential features thereof. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the claims described below rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts are included in the scope of the present invention. should be interpreted

1: vehicle air circulation device 10: exhaust
11: movement guide 12: exhaust fan
13: intake pipe 14: exhaust pipe
20: supply 21: suction hopper
22: supply fan 23: supply pipe
30: filter unit 40: foreign matter blocking unit
41 mesh plate 411 barrier
42: baffle plate 50: silencer
60: total heat exchanger 70: exterior
71: upper pipe 72: lower pipe
80: insulation material 90: guard part
90a: wrap groove 91: horizontally
92: ramp 100: rotation drive part
101: piston 110: vibration generating unit
120: vehicle 121: roof

Claims (7)

An exhaust unit that sucks in air in the vehicle and discharges it to the outside;
A supply unit that sucks in outside air and supplies it to the inside of the vehicle;
A vehicle air circulation device including a filter unit connected to the supply unit to filter the sucked outside air.
According to claim 1, wherein the discharge unit,
A movement guide that is installed on the outside of the vehicle and has a movement space inside where the outside air or the bet of the vehicle moves;
an exhaust fan disposed in the moving space;
an intake pipe connected to the movement guide and the vehicle and for inhaling the bet of the vehicle by the operation of the exhaust fan;
A vehicle air circulation device connected to the exhaust fan and including an exhaust pipe for discharging the intake external air.
3. The method of claim 2,
The vehicle air circulation device further comprising a total heat exchanger disposed in the moving space and cooling or heating the outside air sucked in by the supply unit according to the external temperature.
According to claim 2, wherein the supply unit,
a suction hopper connected to the movement guide and capable of delivering outdoor air to the movement space;
a supply fan disposed in the moving space and sucking outside air;
and a supply pipe connected to the supply fan and the vehicle and supplying external air sucked in by the operation of the supply fan to the inside of the vehicle.
5. The method of claim 4, further comprising a foreign material blocking portion installed on the inlet side of the suction hopper, the foreign material blocking portion,
A vehicle air circulation device comprising a mesh plate and a baffle plate disposed on one side of the mesh plate.
5. The method of claim 4,
Air circulation device for a vehicle further comprising a silencer disposed inside the suction hopper.
According to claim 1,
The filter unit is an air circulation device for a vehicle formed of a pre-filter or a HEPA filter.

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