KR101201234B1 - Air cleaner for vehicles - Google Patents

Abstract

The present invention is not only the supply of the air filter installed in the form of a roll on the ceiling to remove the pollutants contained in the vehicle interior air at regular intervals, but also the replacement cycle of the air filter, but the air filter is a certain level It relates to a ceiling-type air purifier for a vehicle that can be replaced automatically even if it is contaminated. The present invention provides a ceiling-type air purifier installed in a ceiling of a vehicle for air conditioning in a vehicle, wherein a front plate and a rear plate are assembled at the front and the rear of the shield, the center portion of which is vertically penetrated. Housings each having roll rolls assembled thereon; A fan drive motor fixed to the center frame installed at the lower portion of the housing; A fan installed inside the housing to receive the rotational force of the fan driving motor to be rotated; A cylindrical roll drive shaft installed inside one roll cover of the housing; A cylindrical roll driven shaft installed inside the other roll cover of the housing; An air filter installed at an upper portion of the fan in a state in which both ends in the longitudinal direction are wound around the roll driving shaft and the roll driven shaft; Filter guide means provided on the inside of the front plate and the rear plate of the housing such that a path through which both ends of the air filter pass in the width direction is guided; A timer installed to control the driving of the roll driving motor at a predetermined time interval; Pollution detection sensor for detecting the degree of contamination of the air filter; And a control unit configured to control the driving of the roll driving motor even before the roll driving motor driving period set in the timer when the degree of contamination detected by the pollution detecting sensor is higher than a predetermined level. The configuration is made, including.

Description

Ceiling air cleaner for vehicles {Air cleaner for vehicles}

The present invention relates to a ceiling-type air cleaner for a vehicle, and more particularly, the supply of an air filter installed in the form of a roll in the ceiling to remove contaminants contained in the vehicle interior air is automatically performed at regular intervals. Although the replacement cycle of the air filter has not been made, the ceiling-mounted air purifier for a vehicle can be automatically replaced even when the air filter is contaminated to a certain level or more.

In general, a ceiling air purifier for a vehicle for cleaning internal air is installed on a ceiling of a vehicle such as a bus, a train and a train of an electric vehicle having a relatively large indoor space. On the other hand, the vehicle ceiling type air cleaner is equipped with an air filter for the purification of indoor air, the roll type air filter may be mounted to facilitate the maintenance of the air filter. That is, the roll-type air filter is mounted on the ceiling type air cleaner for a vehicle, so that the area of the air filter contaminated by use can be easily replaced with an unpolluted area by simple operation or automatically.

1 is a view showing the structure of a ceiling type air cleaner for a vehicle according to the prior art.

As shown in FIG. 1, the vehicular ceiling air purifier 10 according to the related art is provided with a housing 12 that is buried in a ceiling, and a fan 14 installed on an upper side of the housing 12 to blow air into a vehicle interior. ), A roll-type air filter 16 installed below the fan 14 to filter contaminants contained in the air flowing into the vehicle interior, and rotatably installed on one side of the housing 12 It is set by the roll drive shaft 18 which winds the air filter 16, the roll driven shaft 20 which is installed in the other side of the housing 12, and is kept in the state which the air filter 16 was wound before use, and a control part of a control part. It comprises a timer 30 to drive the roll drive shaft 18 in accordance with the set time to replace the contaminated air filter 16.

However, in the case of the conventional vehicle ceiling type air cleaner, since the structure is not compactly configured, it occupies a lot of space required for installation and there is a problem such that air circulation is not smoothly performed.

In addition, in the case of the conventional vehicle ceiling type air cleaner, there is a problem that the air filter of the roll type air filter is not always kept taut in the process of winding and releasing, but is loosened by wind pressure applied from the fan.

In addition, in the case of a conventional vehicle ceiling type air cleaner, there is a problem that contaminants buried in the air filter are introduced into the room by the wind pressure of the fan as the air filter is located under the fan.

[Technical Literature]

[Patent Literature]

Utility Model Publication 20-0336319, Republic of Korea Patent Office

Korean Utility Model Registration Utility Model Publication No. 20-0343302

Korea Patent Office Registered Patent Publication No. 10-0757745

Accordingly, the present invention has been made to solve the above-mentioned problems of the prior art, and an object of the present invention is to provide a ceiling-type air purifier for a vehicle which enables not only compact structure but also smooth air circulation. .

In addition, another object of the present invention is to provide a ceiling-type air purifier for a vehicle that can always be kept in tension as the installation state of the air filter installed in the roll type is not easily changed even by the wind pressure of the fan.

In addition, another object of the present invention is to provide a ceiling-type air cleaner for a vehicle to reduce the phenomenon that the contaminants buried in the roll-type air filter is introduced into the interior of the vehicle by the wind pressure of the fan.

In order to achieve the object as described above, the configuration of the present invention can be made as follows.

The present invention provides a ceiling-type air purifier installed in a ceiling of a vehicle for air conditioning in a vehicle, wherein a front plate and a rear plate are assembled at the front and the rear of the shield, the center portion of which is vertically penetrated. Housings each having roll rolls assembled thereon; A fan drive motor fixed to the center frame installed at the lower portion of the housing; A fan installed inside the housing to receive the rotational force of the fan driving motor to be rotated; A cylindrical roll drive shaft installed inside one roll cover of the housing; A cylindrical roll driven shaft installed inside the other roll cover of the housing; An air filter installed at an upper portion of the fan in a state in which both ends in the longitudinal direction are wound around the roll driving shaft and the roll driven shaft; Filter guide means provided on the inside of the front plate and the rear plate of the housing such that a path through which both ends of the air filter pass in the width direction is guided; A timer installed to control the driving of the roll driving motor at a predetermined time interval; Pollution detection sensor for detecting the degree of contamination of the air filter; And a control unit configured to control the driving of the roll driving motor even before the driving period of the roll driving motor set in the timer when the degree of contamination detected by the pollution detecting sensor is higher than a predetermined level. The configuration is made, including.

In the vehicular ceiling air purifier according to the present invention, an endless rotation preventing means is installed inside the roll driven shaft so that the roll driven shaft does not rotate by an external force less than a torque transmitted to the roll driven shaft when the roll driving shaft is driven.

In the vehicular ceiling air purifier according to the present invention, the endless rotation preventing means includes an elastic case installed inside the roll driven shaft; An elastic body installed inside the elastic case; And a pusher installed in the elastic case so that a constant force is applied to the fixed shaft fixed to the housing through the elastic force of the elastic body. The configuration is made, including.

In the vehicle ceiling type air cleaner according to the present invention, the filter guide means has a structure in which the upper filter guide and the lower filter guide are installed at a predetermined interval.

According to the ceiling-type air cleaner for a vehicle according to the present invention, the structure is made compact, so that the ceiling can be easily installed on the ceiling of the vehicle, the appearance is excellent, and the air can be smoothly circulated.

In addition, according to the ceiling type air purifier for a vehicle according to an embodiment of the present invention, the installation state of the air filter installed in the roll type is not easily changed even by the wind pressure of the fan, so that the installation state of the air filter is always kept in a tense state. There are advantages to it.

According to the ceiling type air purifier for a vehicle according to an embodiment of the present invention, as the roll type air filter is installed at a position higher than that of the fan, contaminants such as dust deposited on the air filter may be caused by the fan pressure. There is an advantage that can be reduced to the phenomenon introduced into.

1 is a view for explaining the structure of a vehicular ceiling air purifier according to the prior art.
2 is a perspective view of a vehicle ceiling air purifier according to an embodiment of the present invention.
3 is a bottom perspective view of a ceiling air cleaner for a vehicle according to an embodiment of the present invention.
Figure 4 is a bottom view of the ceiling air cleaner for a vehicle according to an embodiment of the present invention.
5 is a front sectional view of a ceiling type air cleaner for a vehicle according to an embodiment of the present invention.
6 is a cross-sectional view taken along the line AA shown in FIG. 5.
FIG. 7 is a cross-sectional view taken along line BB shown in FIG. 5. FIG.
8 is a cross-sectional view taken along line CC of FIG. 5.

Hereinafter will be described in more detail with reference to the accompanying drawings, such as the configuration and operation state of the ceiling-type air cleaner for a vehicle according to an embodiment of the present invention.

Reference numeral 100 denoted in the drawings indicates a vehicle ceiling air purifier according to an embodiment of the present invention.

The ceiling type air purifier 100 for a vehicle according to an exemplary embodiment of the present invention is configured to be embedded in a ceiling of a vehicle having a relatively large internal space such as a passenger car of a bus, a train and an electric vehicle. To this end, the vehicle ceiling type air cleaner 100 according to an embodiment of the present invention is a housing 110, a fan drive motor 120 is fixedly installed in the housing 110, buried in the ceiling of the vehicle as shown in the drawing ), A fan 122 installed inside the housing 110, a roll drive shaft 130 installed on one side of the housing 110, and a housing 110 so that air is introduced into the vehicle interior when the fan driving motor 120 is driven. Both ends of the roll driven shaft 140 installed on the other side of the roll), the roll drive motor 132 installed for driving the roll drive shaft 130, the roll drive shaft 130 and the roll driven shaft 140 in the longitudinal direction Filter guide means fixed to the inside of the housing 110 in order to guide the passage through the air filter 150, the width direction both ends of the air filter 150 is installed on the upper side of the fan 122 in the wound state 160, the roll drive motor 132 is set to be driven at a predetermined time interval When the pollution level of the timer 170, the contamination detection sensor 190 for detecting the contamination of the air filter 150 and the air filter 150 is a predetermined level or more, even if the operating time set in the timer 170, the roll drive The configuration is made by including a controller 180 in which the motor 132 is driven.

In the vehicle ceiling type air cleaner 100 according to an embodiment of the present invention, the housing 110 has rolls installed on both sides to protect the air filter 150 wound around the roll driving shaft 130 and the roll driven shaft 140. The front plate 112 and the rear plate 114 are assembled at regular intervals through the cover 116 and the shield 118.

In the housing 110 of the vehicular ceiling air cleaner 100 according to the embodiment of the present invention, the shield 118 has a structure in which an air inlet 118a penetrates upward and downward in a central portion thereof as shown in the drawing. Is made of.

The roll cover 116 described above is formed in the form of a semicircle whose cross section is open to the outside as shown in FIG. 5, while both ends are connected to the front plate 112 and the rear plate 114 through bolts or the like. It is assembled and installed.

As described above, as the front plate 112, the rear plate 114, and the pair of roll covers 116 are assembled together, the lower portion of the shield 118 forms a structure surrounded in all directions.

And the inside of the housing 110 according to an embodiment of the present invention is a fan 122 that is rotated by the drive of the fan drive motor 120 to introduce air into the interior of the vehicle is installed. At this time, the fan 122 is installed on the lower side of the air inlet 118a formed in the shield 118 to function to allow air above the shield 118 to flow downward. The fan drive motor 120 for driving the fan 122 is fixedly installed on the upper portion of the center frame 124 as shown in the figure. To this end, a center frame 124 is installed between the lower part of the front plate 112 and the lower part of the rear plate 114.

In the vehicle ceiling type air cleaner 100 according to an embodiment of the present invention, the roll driving shaft 130 and the roll driven shaft 140 are assembled inside the roll cover 116 respectively installed on both sides of the housing 110. . Meanwhile, the roll cover 116 described above serves to protect the roll drive shaft 130 and the roll-shaped air filter 150 wound around the roll follower shaft 140, and the roll drive shaft 130 and the roll follower shaft 140. The roll-shaped air filter 150 has a function of guiding the winding or unwinding process to be performed smoothly. To this end, the upper end of the roll cover 116 has a curved structure as shown in the cross-sectional view of FIG.

Meanwhile, the roll drive shaft 130 and the roll follower 140 described above are formed in a cylindrical shape as shown in FIGS. 6 and 8, and the roll drive shaft 130 and the roll follower shaft can be smoothly formed. Both ends of the 140 may be assembled to the housing 110 via a bearing or a bush, respectively.

One end of the longitudinal direction of the air filter 150 in the vehicle ceiling type air cleaner 100 according to an embodiment of the present invention is fixedly mounted to the roll drive shaft 130 while the other end of the roll driven shaft 140 The section of the air filter 150 located between the roll drive shaft 130 and the roll follower shaft 140 is fixedly mounted on the shield 118.

The roll type air filter 150 which is wound around the roll driven shaft 140 is moved in the direction of the roll driving shaft 130 when the roll driving motor 132 fixedly installed to the housing 110 is moved. 130).

A timer 170 is installed at one side of the housing 110 to allow the above-described operation of the roll driving motor 132 to be automatically performed at a predetermined time interval, and the timer 170 may mutually communicate with the controller 180. The operation of the roll drive motor 132 is controlled while exchanging.

In the vehicle ceiling type air cleaner 100 according to the embodiment of the present invention, when the pollution degree of the air filter 150 detected by the pollution detection sensor 190 is greater than or equal to a predetermined level, the timer 170 is set as described above. The roll driving motor 132 is driven by the control of the controller 180 even if it is not the period. Therefore, the contaminated section of the air filter 150 is wound on the roll drive shaft 130 while the unused air filter 150 portion wound on the roll driven shaft 140 is moved to the upper side of the fan 122. .

The width of the air filter 150 in the process of moving the air filter 150 in the state of being wound around the roll driven shaft 140 in the vehicle ceiling type air cleaner 100 according to an embodiment of the present invention to the roll drive shaft 130 Filter guide means 160 for guiding a path through which both ends of the direction pass are respectively provided inside the front plate 112 and the rear plate 114.

In the vehicular ceiling air purifier 100 according to an embodiment of the present invention, the filter guide means 160 has an upper filter guide 162 and a lower filter guide 164 spaced vertically as shown in the drawing. Is installed. That is, both ends of the width direction of the air filter 150 are guided through the gap between the upper filter guide 162 and the lower filter guide 164 to be moved in a taut state.

And when the roll drive shaft 130 is not driven in the vehicle ceiling type air cleaner 100 according to an embodiment of the present invention, the endless rotation preventing means 142 for preventing the roll driven shaft 140 from rotating itself. It can be further configured.

The aforementioned endless rotation preventing means 142 is an elastic body such as an elastic case 142a installed in the roll driven shaft 140 and a coil spring installed inside the elastic case 142a, as shown in the cross-sectional view of FIG. 6. 142b, a pusher 144c is always applied to the fixed shaft 144d fixed to the housing 110 through the elastic force of the elastic body 142b to prevent the roll driven shaft 140 from rotating under a certain torque. Including configuration is made. That is, when the pusher 142c elastically supported by the elastic body 142b comes into contact with the fixed shaft 142d supporting one end of the roll driven shaft 140, the rotation of the roll drive shaft 130 is performed. Below the torque applied, the roll driven shaft 140 does not rotate, and the roll driven shaft 130 does not rotate without permission by the endless rotation preventing means 142 configured as described above. And the air filter 150 provided between the roll driven shaft 140 is always in a state of being tensely installed.

In addition, in the vehicle ceiling type air cleaner 100 according to an embodiment of the present invention, the upper side of the roll driven shaft 140 may not only loosen the air filter 150, but also the roll driving shaft 130 and the roll driven shaft 140. Roll idle shaft 144 is installed to maintain the air filter 150 in the stretched section between the).

As described above, in the vehicular ceiling air cleaner 100 according to the embodiment of the present invention, when the roll driven shaft 140 is driven by the endless rotation preventing means 142, the roll driven shaft 140 is driven. Since the rotation is not performed below the torque transmitted to the), there is no problem that the air filter 150 is swung due to the wind pressure applied from the fan 122.

In addition, in the vehicular ceiling air purifier 100 according to an embodiment of the present invention, both ends of the width direction of the air filter 150 are held by the filter guide means 160, thereby being applied by the fan 122. Not only the air filter 150 is slumped due to wind pressure, etc., but also a predetermined path may be maintained in the process of moving the position of the air filter 150.

In addition, the ceiling-type air cleaner 100 for a vehicle according to an embodiment of the present invention has a compact structure as shown in the drawing, and thus, the process of being installed on the ceiling of the vehicle can be easily performed, and the air flows smoothly. Can be maintained.

In addition, in the vehicle ceiling type air cleaner 100 according to an embodiment of the present invention, the air filter 150 is located on the upper portion of the fan 122, so that the air filter is generated by the wind pressure generated when the fan 122 is driven. The phenomenon that the contaminants buried in the 150 is introduced into the interior of the vehicle is reduced.

In particular, the ceiling type air purifier 100 for a vehicle according to an embodiment of the present invention is not only made of a predetermined period of replacement of the air filter 150, but if the degree of contamination is above a certain level, even if the replacement cycle is not made automatically. In accordance with the maintenance of the air filter 150 is made easy.

The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea of the present invention.

100. Ceiling type air cleaner 110. Housing
112. Front panel 114. Rear panel
116. Roll Cover 118. Shield
120. Fan drive motor 122. Fan
124. Center frame 130. Roll drive shaft
132.Roll drive motor 140.Roll driven shaft
142. Means of unauthorized rotation 142a. Elastomer case
142b. Elastomer 142c. Pusher
142d. Fixed shaft 150. Air filter
160. Filter guide means 170. Timer
180. Control unit 190. Pollution detection sensor

Claims (4)

In the ceiling type air purifier for vehicles installed in the ceiling of the vehicle for air conditioning in the vehicle, a front plate and a rear plate are assembled at the front and the rear of the shield, the center portion of which penetrates in the vertical direction, respectively. A housing formed by assembling roll covers respectively; A fan drive motor fixed to the center frame installed at the lower portion of the housing; A fan installed inside the housing to receive the rotational force of the fan driving motor to be rotated; A cylindrical roll drive shaft installed inside one roll cover of the housing; A cylindrical roll driven shaft installed inside the other roll cover of the housing; A roll driving motor installed on one side of the housing for driving the roll driving shaft; An air filter installed at an upper portion of the fan in a state in which both ends in the longitudinal direction are wound around the roll driving shaft and the roll driven shaft; Filter guide means provided on an inner side of the front plate and the rear plate of the housing to guide a path through which both ends of the air filter pass in the width direction; A timer installed to control the roll driving motor at a predetermined time interval; Pollution detection sensor for detecting the degree of contamination of the air filter; And a controller configured to control the driving of the roll driving motor even before the roll driving motor driving period set in the timer when the pollution degree detected by the pollution detecting sensor is higher than a predetermined level.
Vehicle type ceiling air, characterized in that the endless rotation preventing means is installed inside the roll driven shaft so that the roll driven shaft does not rotate by an external force less than a torque transmitted to the roll driven shaft when the roll drive shaft is driven. Purifier. delete The method of claim 1, wherein the endless rotation preventing means comprises an elastic case installed inside the roll driven shaft; An elastic body installed inside the elastic case; And a pusher installed in the elastic case so that a constant force is applied to the fixed shaft fixed to the housing through the elastic force of the elastic body. Ceiling type air cleaner for a vehicle, characterized in that comprising a. 4. The ceiling type air cleaner of claim 1 or 3, wherein the filter guide means is provided with an upper filter guide and a lower filter guide spaced apart from each other.

Images