KR20220034305A - air purification system using photocatalytic filter - Google Patents

Abstract

The present invention relates to an air purification system using a photocatalytic filter, which comprises: an air purification unit including a case mounted on the outside of a vehicle to decompose and remove fine dust contained in flowing in outdoor air by a photocatalyst activated by incident ultraviolet (UV) rays, an internal UV sensor installed inside the case to measure the intensity of the UV rays, and an equipment control unit transmitting UV ray intensity information measured by the internal UV sensor through an equipment communication unit; a mobile communication terminal having a fine dust removal performance management application installed therein to generate driving environment information including external UV intensity information received from the equipment communication unit and the location information received through a GPS receiver to provide the generated information to an operation server through the communication network; and the operation server configured to calculate the amount of fine dust removal by using operation information including an operation time of the air purification unit when the intensity of external UV rays detected by the internal UV sensor in a daytime mode is higher than a set reference UV intensity, and to support a conversion amount corresponding to the calculated amount of fine dust removal to be paid to an owner who operates the air purification unit. Accordingly, air purification can be performed in conjunction with movement of vehicles, thereby providing advantages of increasing air purification efficiency and supporting reliable calculation of a compensation amount for operation history for air purification.

Description

Photocatalyst applied air purification system {air purification system using photocatalytic filter}

The present invention relates to a photocatalyst applied air purification system, and more particularly, to a photocatalyst applied air purification system constructed to be mounted on a vehicle to purify air pollutants during movement.

In modern society, air pollution due to rapid industrialization, increase in exhaust gas by vehicles, smog, dust, pollen, yellow dust, fine dust, etc. is increasing.

Air pollution refers to environmental pollution in the air, and refers to the state in which pollutants exceeding the air's self-cleaning capacity are released into the atmosphere. Fine dust is only one type of air pollution, and there are countless causes of pollution such as carbon dioxide, yellow dust, ozone, radon, and toxic gases as well as fine dust. As a countermeasure against air pollution, fixed sources of pollutants such as factories are designated by law to set pollutant emission standards, the quality of fuel used is regulated, and in case of emergency, individual facilities are regulated, such as shortening of operations. there is.

In addition, when it is difficult to achieve environmental standards only by regulating individual generating facilities, a method of regulating the total amount of emissions from factories in the area is designated by designating a specific area. However, most countermeasures are in the form of emission control of hazardous substances, because it is very difficult to reduce or remove air pollutants once they are released into the atmosphere.

For air purification, conventionally, only indoor air was purified by installing an air purifier indoors. In order to purify the air in a specific space, there is no special purification facility for purifying the outdoor air. installed to purify the air.

However, this conventional air purification method purifies air only at a predetermined point, and air purification is not performed in the air space in a building in which an air purification device is not installed or in an area where there is no building in which an air purification device can be installed.

On the other hand, a paving block designed to remove nitrogen oxides (NOx), sulfur oxides (SOx), etc., which are pollutants that cause air pollution at a fixed location, using a photocatalytic action is disclosed in Korean Patent Registration No. 10-0439136, This also has a disadvantage in that it is difficult to effectively purify the air because the air is purified at a fixed location.

The present invention was devised to improve the above problems, and while being mounted on a moving vehicle to purify the air, a photocatalyst application standby that can activate air purification activities by providing compensation corresponding to the air purification operation history An object of the present invention is to provide a purification system.

In order to achieve the above object, the photocatalyst applied air purification system according to the present invention is formed to be mounted on the outside of a vehicle, and the fine dust contained in the outdoor air introduced through the inlet is decomposed by a photocatalyst activated by incident ultraviolet rays and an internal ultraviolet sensor mounted inside the housing to measure the intensity of ultraviolet rays, and an equipment control unit mounted on the housing to transmit ultraviolet intensity information measured by the internal ultraviolet sensor through the equipment communication unit an air purification unit having a; Fine dust that communicates with the equipment communication unit of the air purification unit and generates driving environment information including UV intensity information received from the equipment communication unit and location information received through the GPS receiver and provides it to the operation server through a communication network A mobile communication terminal in which a removal performance management application is installed; and, the operation server operates including the operating time of the air purification unit when the external UV intensity detected by the internal UV sensor in the daytime mode is greater than or equal to the set reference UV intensity It is constructed to calculate the amount of fine dust removal using the information, and to support payment of a converted amount corresponding to the calculated amount of fine dust to the owner who operates the air purification unit.

According to an aspect of the present invention, the air purifying unit has an inlet formed on one side, an outlet port formed on the lower end of the other side, and is spaced apart from the inlet port of the housing having an accommodating space therein to communicate the accommodating space with the inlet. a partition partition wall partitioned to be divided into a first accommodating space and a second accommodating space communicating with the outlet and formed with a guide hole for guiding air introduced through the first accommodating space to an upper portion of the second accommodating space; a photocatalytic filter mounted in the second accommodation space to be spaced apart from the ceiling at a position higher than the outlet and decomposing and removing fine dust by a photocatalyst activated by incident ultraviolet rays; an ultraviolet light source unit irradiating ultraviolet light to the photocatalytic filter by electric power supplied to the ceiling surface opposite to the photocatalytic filter; and an illuminance sensor mounted on the housing to detect external illuminance, wherein the equipment control unit operates when the illuminance detected by the illuminance sensor corresponds to a night mode and an operation-on operation signal is received from the equipment operation unit control, and transmits the night mode operation-on information to the mobile communication terminal and the UV intensity information of the UV light source unit measured by the internal UV sensor through the equipment communication unit.

Preferably, a magnet is mounted on the bottom surface of the air purifying unit housing so that it can be detached from the vehicle by magnetic force, and the operation server uses the driving environment information including the location information received from the mobile communication terminal to fine dust It is constructed to determine the fine dust removal activity through the process of calculating the removal amount but verifying whether the vehicle is driving normally using CCTV information corresponding to the location information.

In addition, a solar cell module for generating electric power by incident light is installed on the upper surface of the housing, and a charging unit for charging the electric power generated by the solar cell module and supplying it to the operation power of the equipment control unit and the ultraviolet light source unit; may be further provided.

In addition, the mobile communication terminal processes to output a replacement guide message for the UV light source unit when the UV intensity detected by the internal UV sensor is less than or equal to a set replacement reference intensity in a state in which the night mode operation-on information is received.

In addition, the operation server includes a regional fine dust measurement information collecting unit that collects regional fine dust concentration measurement information, and from the received driving environment information, when the fine dust concentration in the driving route region is less than or equal to a set reference concentration, fine dust for the driving route is fine. It may be constructed to calculate by not including it in the dust removal amount.

According to the photocatalyst applied air purification system according to the present invention, it is possible to perform air purification in conjunction with the movement of a vehicle, thereby improving the air purification efficiency, and reliably calculating the compensation amount for the operation history for air purification. It provides the advantages of supporting

1 is a view showing a photocatalyst applied air purification system according to the present invention,
2 is a cut-away perspective view showing a part of the air purification unit of FIG. 1;
3 is a side view of the air purification unit of FIG. 2;
4 is a block diagram showing the control system of the photocatalyst applied air purification system of FIG. 1;
5 is a detailed block diagram of the operation server of FIG.

Hereinafter, a photocatalyst applied air purification system according to a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a view showing a photocatalyst applied air purification system according to the present invention. Referring to FIG. 1 , the photocatalyst applied air purification system 100 according to the present invention includes an air purification unit 110 , a mobile communication terminal 200 , and an operation server 300 .

The air purification unit 110 will be described with reference to FIGS. 2 to 4 together.

The air purification unit 110 includes a housing 120, an internal ultraviolet sensor 151, an illuminance sensor 153, a solar cell module 155, a charging unit 157, an equipment operation unit 161, an ultraviolet light source unit 170, equipment. A communication unit 181 and an equipment control unit 185 are provided.

The enclosure 120 is formed to be mounted on the outside of the vehicle 10, and the fine dust contained in the outside air introduced through the inlet 121 is activated by the incident UV light to a photocatalyst such as titanium dioxide (TiO ₂ ). It can be disassembled and removed by

The enclosure 120 is formed in the shape of a quadrangular body, the inlet 121 is formed on one side 120a that is the front side of the vehicle running direction, and the outlet 122 is formed on the lower end of the other side 120b which is the rear side, It is formed to have a closed accommodation space inside. The inlet 121 of the housing 120 is covered with a mesh 123 having a through hole in order to block the inflow of large foreign substances, and the outlet 122 is also covered with a mesh 124 .

The partition partition wall 125 mounted across the receiving space in the center of the housing 120 is spaced apart from the inlet 121 in the direction of the other side 120b to communicate the receiving space with the inlet 121. A first receiving space (120c) It is divided into a second accommodating space 120d communicating with the outlet 122 and the outlet. A guide hole 126 for guiding the air introduced through the first accommodating space 120c to the upper portion of the second accommodating space 120d is formed in the partition wall 125 . The guide 126 is also covered with a mesh body 127 .

Reference numeral 128 denotes a pre-filter that primarily filters foreign substances contained in the introduced outdoor air, and may be omitted.

The photocatalytic filter 131 is disposed to be spaced downward from the ceiling 120f at a position higher than the outlet 122 in the second accommodating space 120d, and a plurality of balls 132 coated with the photocatalyst 132a are filled. It has a structure filled with the net (133).

The photocatalytic filter 131 is different from the illustrated example, in which a plurality of three-dimensional ceramic filters made of ceramic materials such as a photocatalyst coated mesh, honeycomb-shaped filter, cordierite, and zirconia are vertically arrayed, etc. Various structures capable of inducing contact between the photocatalyst and the outside air while allowing the ventilation of the outside air may be applied.

The floodlight plate 135 closes the upper portion of the second accommodating space 120d of the housing 120 to form the ceiling 120f, and is formed of a transparent material having good UV transmission efficiency.

In this structure, a structure that can be attached to and detached from the vehicle 10 by magnetic force may be applied to the housing 120 . To this end, a magnetic force-sensitive plate formed of a material that responds to magnetic force is applied to the bottom surface 120g of the housing 120 , and the air purification unit 110 has an enclosure 120 in the vehicle 10 on which the air purification unit 110 is mounted. ) to be detachable by magnetic force, at least one magnet 141 is mounted magnetic force coupling plate 140 is installed.

The magnetic coupling plate 140 may be attached to the vehicle 10 by an adhesive.

Unlike this, the magnetic coupling plate 140 is omitted and the magnet is mounted to be embedded in the bottom surface 120g of the housing 120 so that it can be constructed to be detachably attached to the vehicle 10 by magnetic force.

According to the structure of the housing 120 , when the air pollution concentration reaches the level required for air purification, it is installed and operated in the vehicle 10 , and in other cases, it is stored separately from the vehicle 10 .

The outside air introduced through the inlet 121 of the housing 120 is first filtered through the pre-filter 128, and then flows downward through the second accommodating space 120d through the guide 126, this process After the pollutants such as nitrogen oxides (NOx) are removed by the photocatalyst 132a activated by ultraviolet rays in the air, the purified air is discharged through the outlet 122 .

The internal ultraviolet sensor 151 is installed to be supported by the support plate 152 in the interior of the housing 120 between the photocatalytic filter 131 and the floodlight plate 135 , and external ultraviolet rays irradiated from the sun and transmitted through the floodlight plate 135 . The intensity and ultraviolet rays irradiated from the ultraviolet light source unit 170 to be described later are measured and provided to the equipment control unit 185 .

The illuminance sensor 153 is mounted on an external exposure area outside the floodlight plate 135 of the housing 120 to detect external illuminance, and provides the detected illuminance information to the equipment control unit 185 .

The solar cell module 155 is mounted on the upper surface of the external exposed area outside the floodlight plate 135 of the housing 120 to generate power by the incident light, and supplies the generated power to the charging unit 157 .

The charging unit 157 charges the power generated by the solar cell module 155 , and supplies the charged power as the operating power of the movable elements including the equipment control unit 185 and the ultraviolet light source unit 170 of the air purification unit 110 . connected to do so.

The equipment operation unit 161 is configured to operate a supported function, and a movable key 161a for operating the operation on or off is provided.

The ultraviolet light source unit 170 is controlled by the equipment control unit 185 to turn on or off light emission.

The ultraviolet light source unit 170 irradiates ultraviolet light to the photocatalytic filter 131 by electric power supplied to the ceiling surface 120b opposite to the photocatalytic filter 131 so that it can be used at night. In the illustrated example, the ultraviolet light source unit 170 is mounted to be spaced apart from each other on the ceiling surface 120b of the housing 120, and a plurality of ultraviolet light emitting lamps 170a for emitting ultraviolet rays downward are applied.

The equipment communication unit 181 is controlled by the equipment control unit 185 to communicate with the mobile communication terminal 200 .

The equipment communication unit 181 is constructed to communicate with the mobile communication terminal 200 by wirelessly known various communication methods, for example, RFID, Bluetooth, Zigbee, Wi-Fi, and a wireless communication method such as Becon. can be

The equipment control unit 185 is mounted in the housing 120, and when the operation key 161a is operated and an operation-on operation signal is received from the equipment operation unit 161, it is weekly from the illumination information detected from the illumination sensor 153. Mode or night mode is determined, and when it is determined as day mode, external UV intensity information measured by the internal UV sensor 151 is transmitted to the linked mobile communication terminal 200 through the equipment communication unit 181 .

In addition, the equipment control unit 185 controls the operation of the operation key 161a to receive an operation on operation signal, and when the illuminance detected by the illuminance sensor 153 corresponds to the night mode, the ultraviolet light source unit 170 is operated. , the UV intensity information of the UV light source unit 170 measured by the internal UV sensor 151 is transmitted to the mobile communication terminal 200 linked through the equipment communication unit 181 together with the night mode operation on information.

The mobile communication terminal 200 includes a terminal operation unit 211 configured to support setting and input of supported functions, a terminal display unit 213 for displaying display information controlled by the terminal control unit 240, an equipment communication unit 181 and It includes a terminal communication unit 215 for communicating with the operation server 300 , a GPS receiver 220 for receiving satellite information, a storage unit 230 , and a terminal control unit 240 .

Such a mobile communication terminal 200 may be applied to a smart phone supporting call and data communication.

When the fine dust removal performance management application 235 installed in the storage unit 230 of the mobile communication terminal 200 is executed, it communicates with the equipment communication unit 181 of the registered air purification unit 110 and receives UV intensity Information and driving environment information including the location information received through the GPS receiver 220 is generated and provided to the operation server 300 through the communication network 50 . Here, the mobile communication terminal 200 transmits the external UV intensity information received from the equipment communication unit 181 in the day mode to the UV intensity information of the UV light source unit 170 received from the equipment communication unit 181 in the night mode to the communication network 50 It is provided to the operation server 300 through

When this fine dust removal performance management application 235 is executed, it is loaded into the terminal control unit 240 and supported such as communication with the air purification unit 110 and the operation server 300, generating and transmitting driving environment information, and displaying the conversion amount. It is designed to perform the function. In addition, the fine dust removal performance management application 235 is, under the support of the operation server 300, the UV intensity, the average speed of the vehicle 10, the moving time, the moving distance, the amount of fine dust removed, the converted amount, the total amount of fine dust removed, It supports to check the accumulated conversion amount, etc.

In addition, it goes without saying that the fine dust removal performance management application 235 can be constructed so that the converted amount can be used as a purchase cost, such as a pre-filter.

In addition, the fine dust removal performance management application 235 provides replacement guidance for the UV light source unit 170 when the UV intensity detected by the internal UV sensor 151 is less than or equal to the set replacement reference intensity in the state in which the night mode operation on information is received. The message is processed to be output to the terminal display unit 213 . Accordingly, the user may perform replacement through a replacement guide message for the UV light source unit 170 .

The operation server 300 supports the registration of the air purification unit 110 and uses the driving environment information received from the mobile communication terminal 200 to correspond to the registered air purification unit 110 to operate operation information. and is built to support compensation processing corresponding to the generated operation and operation information. Here, the driving environment information refers to information including location information of the vehicle 10 , UV intensity and whether it is a night mode or a day mode, and the operation operation information includes an average speed of the vehicle calculated from the location information of the vehicle 10 and It includes the operating time of the air purification unit 110 corresponding to the moving time to the destination.

The operation server 300 records the operation operation information in the database DB by matching each corresponding to the air purification unit 110 .

The operation server 300 generates operation operation information including the operating time and average speed of the air purification unit 110 only when the external UV intensity detected by the internal UV sensor 151 is greater than or equal to the set reference UV intensity in the daytime mode, It is constructed to support the calculation of the amount of fine dust removal by using the generated operation and operation information, and payment of a converted amount corresponding to the calculated amount of fine dust removal to the owner who operates the air purification unit 110 .

Similarly, the operation server 300 calculates the amount of fine dust removed by using the driving environment information including the ultraviolet intensity information and location information of the ultraviolet light source unit 170 received in response to the night mode operation on from the mobile communication terminal 200 . .

On the other hand, the operation server 300 is preferably constructed to determine whether the fine dust removal activity through the process of verifying whether the normal driving using CCTV information corresponding to the location information.

This operation server 300 will be described with reference to FIG. 5 .

Operation server 300 is equipped with equipment operation registration support unit 310, equipment operation status record support unit 320, converted amount processing unit 330, fine dust measurement information collection unit 340 by region, CCTV information collection unit 350 do.

Equipment operation registration support unit 310 applies the air purification unit 110 to their vehicle 10 to perform air purification activities, and supports users who want to receive compensation for registering related information. The equipment operation registration support unit 310 supports input of necessary registration information, such as unique identification information of the air purification unit 110 to be operated, the phone number of the user's mobile communication terminal 200, name, and a bankbook number to receive the converted amount. do.

The equipment operation registration support unit 310 supports the download of the fine dust removal performance management application 235 .

Equipment operation status recording support unit 320 records the driving environment information received by the execution of the fine dust removal performance management application 235 of the registered mobile communication terminal 200, and generates operation operation information.

The equipment operation status recording support unit 320 stores the location information of the vehicle 10 that is moved together with the mobile communication terminal 200 from the start of the operation-on to the operation-off of the air purification unit 110 mounted in the vehicle 10 . The operation time, average speed, and moving distance are calculated using the Calculate.

Here, the fine dust removal amount can be applied differentially according to the average speed, such as a amount per 10 minutes when the average speed is 50 to 80 km/h, and b amount per 10 minutes when the average speed is 81 to 100 km/h. In addition, it can be constructed to calculate that there is no amount of fine dust removed for less than the minimum average speed.

The equipment operation status recording support unit 320 determines the fine dust concentration in the driving path area of the vehicle 10 from the driving environment information received under the support of the regional fine dust measurement information collection unit 340 that collects regional fine dust concentration measurement information. If the concentration is less than the set standard concentration, the corresponding driving route is calculated without being included in the fine dust removal amount.

In addition, when the external UV intensity detected by the internal UV sensor 151 in the day mode is less than the set reference UV intensity, the equipment operation status recording support unit 320 calculates the corresponding driving route without including it in the fine dust removal amount. Similarly, if the equipment operation status recording support unit 320 is less than the set reference UV intensity when the UV intensity of the UV light source unit 170 detected by the internal UV sensor 151 in the night mode is less than the set reference UV intensity, the driving route is calculated without including it in the fine dust removal amount. has been Here, it goes without saying that the reference UV intensity applied to the day mode and the reference UV intensity applied to the night mode may be the same or different.

In addition, the equipment operation status recording support unit 320 uses the driving environment information including the location information received in response to the operation on from the mobile communication terminal 200 to calculate the amount of fine dust removed in the manner described above, but to the location information. It is constructed to confirm whether the fine dust removal activity is carried out through a process of verifying whether the air purification unit 110 is mounted normally using the corresponding CCTV information.

The converted amount processing unit 330 calculates a converted amount corresponding to the fine dust removal amount calculated by the equipment operation status recording support unit 320 and processes the calculated converted amount to be used as cash or points. Of course, the converted amount processing unit 330 may be constructed to utilize the converted amount in a national tax or local tax reduction or exemption method.

The regional fine dust measurement information collection unit 340 collects regional fine dust concentration information from a server of an institution that measures and provides regional fine dust, and uses the collected regional fine dust concentration information in the equipment operation status recording support unit 320 . support to make

In addition, the regional fine dust measurement information collection unit 340 transmits the fine dust concentration excess information to the registered mobile communication terminal 200 located in the region exceeding the standard value among the collected regional fine dust concentration information to the air purification unit ( 110) is built to guide so that it can be operated efficiently.

The CCTV information collection unit 350 collects the CCTV record information that captures a vehicle traveling on the road from the related organization that operates the CCTV, and the registered air purification unit 110 of the equipment operation status recording support unit 320 described above. ) can be used to verify whether the vehicle is installed or not.

According to the photocatalyst applied air purification system described above, it is possible to improve the air purification efficiency by applying a photocatalyst that has no restrictions on the service life to perform air purification by interlocking with the movement of the vehicle, and operation for air purification The compensation amount for the history can be reliably calculated and provided.

110: air purification unit 120: enclosure
151: internal ultraviolet sensor 153: illuminance sensor
155: solar cell module 157: charging unit
161: equipment operation unit 170: ultraviolet light source unit
181: equipment communication unit 185: equipment control unit
200: mobile communication terminal 300: operation server

Claims (6)

A housing that is formed to be mounted on the outside of a vehicle and that decomposes and removes fine dust contained in outdoor air introduced through an inlet by a photocatalyst activated by incident ultraviolet rays, and is mounted inside the housing to increase the intensity of ultraviolet rays an air purification unit having an internal ultraviolet sensor for measuring, and an equipment control unit mounted on the housing to transmit ultraviolet intensity information measured by the internal ultraviolet sensor through an equipment communication unit;
Fine dust that communicates with the equipment communication unit of the air purification unit and generates driving environment information including UV intensity information received from the equipment communication unit and location information received through the GPS receiver and provides it to the operation server through a communication network and a mobile communication terminal in which the removal performance management application is installed;
When the external UV intensity detected by the internal UV sensor in the daytime mode is greater than or equal to the set reference UV intensity, the operation server calculates the amount of fine dust removed by using the operation information including the operating time of the air purification unit, and calculates the calculated fine dust The photocatalyst applied air purification system, characterized in that it is constructed to support payment of the conversion amount corresponding to the removal amount to the owner who operates the air purification unit. According to claim 1, wherein the air purification unit is
The inlet is formed on one side, the outlet is formed at the lower end of the other side, and is spaced apart from the inlet of the housing having an accommodating space therein to make the accommodating space communicate with the inlet. A first accommodating space communicating with the inlet and a second communicating with the outlet a partition partition wall partitioned to be divided into an accommodating space and formed with a guide for guiding the air introduced through the first accommodating space to an upper portion of the second accommodating space;
a photocatalytic filter mounted in the second receiving space at a position higher than the outlet and spaced apart from the ceiling to decompose and remove fine dust by a photocatalyst activated by incident ultraviolet rays;
an ultraviolet light source unit irradiating ultraviolet light to the photocatalytic filter by electric power supplied to the ceiling surface opposite to the photocatalytic filter;
and an illuminance sensor mounted on the housing to detect external illuminance;
When the illuminance detected by the illuminance sensor corresponds to the night mode and an operation-on operation signal is received from the equipment operation unit, the equipment control unit controls the ultraviolet light source to operate, and the night mode operation-on information and the inside Photocatalyst applied air purification system, characterized in that the ultraviolet light intensity information of the ultraviolet light source unit measured by the ultraviolet sensor is processed to be transmitted through the equipment communication unit. The method of claim 2, wherein a magnet is mounted on the bottom surface of the air purifying unit housing so that it can be detached from the vehicle by magnetic force,
The operation server calculates the amount of fine dust removed by using driving environment information including the location information received from the mobile communication terminal, but removes fine dust through a process of verifying whether normal driving is performed using CCTV information corresponding to the location information A photocatalyst applied air purification system, characterized in that it is configured to determine the activity. The method according to claim 3, wherein a solar cell module for generating power by incident light is installed on the upper surface of the housing, and the power generated by the solar cell module is charged to use the operating power of the equipment control unit and the ultraviolet light source unit. A photocatalyst applied air purification system, characterized in that it further comprises a charging unit to supply. The method of claim 2, wherein the mobile communication terminal outputs a replacement guide message for the UV light source unit when the UV intensity detected by the internal UV sensor is less than or equal to a set replacement reference intensity while the night mode operation-on information is received. A photocatalyst applied air purification system, characterized in that. According to claim 1, wherein the operation server is provided with a fine dust measurement information collection unit for each region for collecting fine dust concentration measurement information for each region, and from the received driving environment information, if the fine dust concentration in the driving route region is less than or equal to a set reference concentration, the corresponding driving A photocatalyst applied air purification system, characterized in that it is constructed to calculate the route by not including it in the fine dust removal amount.

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