Server device

Abstract

To provide a carbon dioxide capture amount management system capable of preventing an incorrect value from being stored as a carbon dioxide capture amount.SOLUTION: A system 100 includes a packaging body being sealed so as to prevent outside air from coming into contact with an absorption unit, and a first capturer terminal 20. The first capturer terminal 20 reads an absorbable amount from a two-dimensional code, and transmits the read absorbable amount to a management server device 10, with the read absorbable amount associated with a user ID of the first capturer. The two-dimensional code 61a is disposed in a position being unreadable by the first capturer terminal 20 when the inside of the packaging body 61b is sealed, and being readable by the first capturer device 20 when the packaging body 61b is opened. The management server device 10 stores the absorbable amount received from the first capturer terminal 20 in a database as the capture amount of carbon dioxide of the first capturer, in association with the user ID of the first capturer.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to a carbon dioxide capture management system. [Background technology]

[0002] In recent years, environmental protection activities have been actively promoted in society. In particular, efforts to reduce carbon dioxide emissions, which are believed to be the cause of global warming, are being made by companies and public organizations.

[0003] For example, Patent Document 1 discloses a CO2 emission reduction evaluation device. This CO2 emission reduction evaluation device identifies main factors from among activity items based on main factor identification information stored in a main factor identification DB. Then, the CO2 emission reduction evaluation device calculates the CO2 emissions related to the main factors before and after the introduction of the ICT solution based on the CO2 emission intensity stored in the CO2 emission intensity DB. This allows the CO2 emission reduction amount resulting from the introduction of the ICT solution to be evaluated. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2015-219542 A Summary of the Invention [Problem to be solved by the invention]

[0005] Here, the social goal is to achieve carbon neutrality, a state in which the impact of carbon dioxide on the global environment is reduced to zero by making the amount of carbon dioxide captured equal to the amount of carbon dioxide emitted. 。

[0006] death However, if the user transmits information about the absorbing member to the server device without making the absorbing member absorb carbon dioxide, the transmitted information about the absorbing member can be used as a NewsThe inventors of the present application have discovered that the password can be stored illegally. , non There is a problem in that benefits such as emission rights will be given only to legitimate users. 。

[0007] This disclosure has been made to solve the above problems, Absorbing material information is invalid To the server device It is possible to prevent Server device and absorption unit The purpose is to provide. [Means for solving the problem]

[0008] In order to achieve the above object, the present disclosure relates to a first aspect of the present invention. A server device that communicates with an information terminal, the server device acquires from the information terminal location information of the information terminal, user identification information, and identification information of the absorbing member that absorbs carbon dioxide in the air and is read by the information terminal from an information storage unit of the absorbing member, and stores the identification information of the absorbing member acquired from the information terminal in a database in association with the user identification information and the location information, the absorbing member and the information storage unit are disposed within a sealed package so that the absorbing member is not exposed to outside air, and the information storage unit is disposed in a position that cannot be read by the information terminal when the package is sealed, and in a position that can be read by the information terminal when the package is opened. Furthermore, a server device according to a second aspect of the present disclosure is a server device that communicates with an information terminal, and the server device acquires from the information terminal, from an information storage unit in which a user's identification information and the identification information of an absorbent member that absorbs carbon dioxide in the air are stored, the identification information of the absorbent member read by the information terminal and the date and time when the identification information of the absorbent member was read by the information terminal, and stores the identification information of the absorbent member acquired from the information terminal in a database in association with the user's identification information and the date and time, the absorbent member and the information storage unit are disposed within a sealed package so that the absorbent member is not exposed to outside air, and the information storage unit is disposed in a position that cannot be read by the information terminal when the package is sealed, and in a position that can be read by the information terminal when the package is opened.

[0009] In addition, the first aspect of the present disclosure 3 The present invention relates to the aspect of Absorption Unit teeth, The present invention comprises an absorbing member that absorbs carbon dioxide in the air, an information storage unit in which identification information of the absorbing member is stored, and a package in which the absorbing member and the information storage unit are arranged and which is sealed so that the absorbing member is not exposed to outside air, the information storage unit being arranged in a position that cannot be read by an information terminal when the package is sealed, and being arranged in a position that can be read by the information terminal when the package is opened. . Effect of the Invention

[0010] According to the above configuration, the absorbing member is sealed in the packaging body so as not to come into contact with the outside air, so that the absorbing member is prevented from absorbing carbon dioxide until it reaches the user. .Also, The information storage unit is Body In the sealed state, Information terminal When the package is opened and the position cannot be read by the Information terminal The information is placed in a position that can be read by the Body When the absorbent material is sealed (when the carbon dioxide absorption material is not absorbing carbon dioxide), information is illegally removed from the information storage unit. News This can prevent the data from being read out. This makes it possible to prevent information about the absorbing member from being illegally stored in the server device. [Brief description of the drawings]

[0011] [Figure 1] FIG. 1 is a block diagram for explaining an overview of a carbon dioxide capture amount management system 100 in the first embodiment. [Diagram 2] FIG. 2 is a diagram for explaining the state of the absorption unit 80 in the first embodiment before and after it has been opened. [Diagram 3] FIG. 3 is a block diagram showing the configuration of the system 100 in the first embodiment. [Figure 4] FIG. 4 is a block diagram of the first collector terminal 20 and the air purifier 60. [Diagram 5] FIG. 5 is a cross-sectional view showing the configuration of the air purifier 60. As shown in FIG. [Figure 6] FIG. 6 is a diagram (1) of an example screen displayed on the display unit 23 of the first collector terminal 20. As shown in FIG. [Figure 7] FIG. 7 is a diagram (1) showing an example of information stored in database 12b. [Figure 8] FIG. 8 is a diagram (2) of an example screen displayed on the display unit 23 of the first collector terminal 20. As shown in FIG. [Figure 9] FIG. 9 is a diagram (3) of an example screen displayed on the display unit 23 of the first collector terminal 20. [Figure 10] FIG. 10 is a diagram (4) of an example screen displayed on the display unit 23 of the first collector terminal 20. As shown in FIG. [Figure 11] FIG. 11 is a diagram (5) of an example screen displayed on the display unit 23 of the first collector terminal 20. As shown in FIG. [Figure 12] FIG. 12 is a diagram (6) of an example screen displayed on the display unit 23 of the first collector terminal 20. [Figure 13] FIG. 13 is a diagram (7) of an example of a screen displayed on the display unit 23 of the first collector terminal 20. As shown in FIG. [Figure 14] FIG. 14 is a diagram (1) showing an example of a screen displayed on the display unit 23 of the first collector terminal 20 and an example of a screen displayed on the notification unit 64 of the air purifier 60. In FIG. [Figure 15] FIG. 15 is a diagram for explaining the relationship between the air volume and the coefficient. [Figure 16] FIG. 16 is a diagram (2) showing an example of a screen displayed on the display unit 23 of the first collector terminal 20 and an example of a screen displayed on the notification unit 64 of the air purifier 60. In FIG. [Figure 17] FIG. 17 is a block diagram showing the configuration of the second collector terminal 120. As shown in FIG. [Figure 18] FIG. 18 is a diagram (1) of an example of a screen displayed on the display unit 123 of the second collector terminal 120. [Figure 19] FIG. 19 is a diagram (2) of an example of a screen displayed on the display unit 123 of the second collector terminal 120. [Figure 20] FIG. 20 is a block diagram showing the configuration of the intermediate custodian terminal 30. As shown in FIG. [Figure 21] FIG. 21 is a block diagram showing the configuration of the storage / reuse user terminal 40. As shown in FIG. [Figure 22] FIG. 22 is a block diagram showing the configuration of the administrator terminal 50. As shown in FIG. [Figure 23] FIG. 23 is a diagram (2) showing an example of information stored in database 12b. [Figure 24] FIG. 24 is a diagram (2) showing an example of information stored in database 12b. [Figure 25A] FIG. 25A is a diagram (2) showing an example of information stored in database 12b. [Figure 25B] FIG. 25B is a diagram (2) showing an example of information stored in database 12b. [Figure 26] FIG. 26 is a diagram (2) showing an example of information stored in database 12b. [Figure 27] FIG. 27 is a diagram showing an example of a screen displayed on the display unit 23 of the storage / reuse user terminal 40. As shown in FIG. [Figure 28] FIG. 28 is a diagram (3) showing an example of information stored in database 12b. [Figure 29] FIG. 29 is a diagram showing the configuration of a carbon dioxide capture amount management system 200 according to the second embodiment. [Diagram 30] FIG. 30 is a diagram showing an example of information stored in the database 212b. [Diagram 31] FIG. 31 is a diagram showing an example of a screen displayed on the first collector terminal 220. As shown in FIG. [Diagram 32]FIG. 32 is a diagram showing the configuration of a carbon dioxide capture amount management system 400 according to a first modified example of the second embodiment. [Diagram 33] FIG. 33 is a block diagram of a first collector terminal 420 according to a first modified example of the second embodiment. [Diagram 34] FIG. 34 is a diagram showing a part of the configuration of a carbon dioxide capture amount management system 600 according to the third embodiment. [Diagram 35] FIG. 35 is a cross-sectional view of an air purifier 660 according to the third embodiment. [Diagram 36] FIG. 36 is a diagram showing an example of a screen displayed on the display unit 664 in the third embodiment. [Figure 37] FIG. 37 is a diagram for explaining data in a state in which the predicted time and air volume according to the second modification of the first and second embodiments are associated with the number of days until the collection deadline. [Figure 38] FIG. 38 is a diagram showing an example of a screen displayed on the first collector terminal 720 according to the third modification of the first and second embodiments. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] Hereinafter, an embodiment of the present disclosure will be described based on the drawings. Note that the present disclosure is not limited to the following embodiments, and appropriate design changes can be made within the scope of the configuration of the present disclosure. In addition, in the following description, the same parts or parts having similar functions are commonly used with the same reference numerals in different drawings, and repeated description thereof will be omitted. In addition, each configuration described in the embodiment and the modified example may be appropriately combined or modified. In addition, in order to make the description easier to understand, in the drawings referred to below, the configuration is shown simplified or schematic, and some components are omitted.

[0013] [First embodiment] (Overall configuration of the carbon dioxide capture management system) FIG. 1 is a block diagram showing the configuration of a carbon dioxide recovery amount management system 100 (hereinafter referred to as "system 100") in a first embodiment. FIG. 2 is a diagram for explaining a state before and after opening of an absorption unit 80 in the first embodiment. FIG. 3 is a block diagram showing the configuration of the system 100 in the first embodiment. FIG. 4 is a block diagram of a first collector terminal 20 and an air purifier 60. FIG. 5 is a cross-sectional view showing the configuration of the air purifier 60.

[0014] As shown in FIG. 1, the system 100 is a system that recovers (removes) carbon dioxide in at least one of the air or atmosphere exhausted from humans, animals, or equipment and the natural environment by an absorption unit 80, and manages the amount of recovered carbon dioxide. When carbon dioxide in the air exhausted from humans is recovered, for example, private homes, corporate offices, restaurants, sports clubs, commercial facilities, inside of automobiles, trains, airplanes, ships, etc. are used as recovery sites. When carbon dioxide in the air exhausted from animals is recovered, for example, livestock barns, pet shops, chicken farms, pig farms, etc. are used as recovery sites. When carbon dioxide in the air exhausted from equipment is recovered, for example, thermal power plants, manufacturing plants, automobile exhaust gases, incinerators, etc. are used as recovery sites. In addition, volcanoes or hot springs may be used as recovery sites for carbon dioxide in the air exhausted from the natural environment. Carbon dioxide may also be recovered from the atmosphere.

[0015] As shown in FIG. 2, the absorption unit 80 is sealed by the packaging body 61b. That is, the absorption unit 80 is covered by the packaging body 61b so that the air outside the packaging body 61b does not come into contact with the absorption unit 80 (the absorption member 61). The packaging body 61b is configured, for example, in a bag shape. The packaging body 61b is configured, for example, by a non-breathable film (for example, a resin film), and an end portion 61da is sealed. This makes it possible to prevent the absorption of carbon dioxide by the absorption unit 80 during the transportation of the absorption unit 80 from the place where the absorption unit 80 was manufactured to a user (hereinafter referred to as the "first collector") who starts absorbing carbon dioxide by the absorption unit 80. In addition, an advertisement 61c is arranged on the outer surface of the packaging body 61b. For example, the advertiser of the advertisement 61c may bear part or all of the manufacturing cost of the absorption unit 80, or the advertising fee from the advertiser may be provided to the seller of the absorption member 61. As a result, the first collector can reduce the purchase cost of the absorbing member 61, or in some cases, can purchase the absorbing member 61 free of charge.

[0016] The absorbing member 61 is a member that contains, for example, calcium hydroxide and absorbs carbon dioxide through a chemical reaction. That is, the absorbing member 61 is a member that removes carbon dioxide from the air by chemically reacting with carbon dioxide in the air when it comes into contact with the air. The absorbing member 61 is not limited to this example, and may be a porous material represented by a mineral such as zeolite, a hollow fiber membrane, or other members capable of absorbing and adsorbing carbon dioxide. A member that absorbs carbon dioxide through a chemical reaction can collect carbon dioxide in a solid form (powder), and therefore can collect and store carbon dioxide more efficiently than other methods.

[0017] The absorbing member 61 contains a dye such as methyl violet and is configured to change color depending on the amount of carbon dioxide absorbed. For example, the absorbing member 61 changes from "white" to "red, purple, or pink" when carbon dioxide is absorbed. The absorbing member 61 may be one that changes from "red or purple" to "white or pink" when carbon dioxide is absorbed, or one that changes to a color other than the above.

[0018] 2, a two-dimensional code 61a and an advertising two-dimensional code 61d are attached to the absorption unit 80. That is, the two-dimensional code 61a and the advertising two-dimensional code 61d are arranged inside the packaging body 61b. The two-dimensional code 61a and the advertising two-dimensional code 61d are, for example, a QR code (registered trademark). Note that, although an example in which the two-dimensional code 61a and the advertising two-dimensional code 61d are provided on the absorption unit 80 has been shown, a one-dimensional code (barcode) may be provided instead of the two-dimensional code 61a and the advertising two-dimensional code 61d, or an electric circuit capable of storing information, such as an IC chip, may be provided instead of the two-dimensional code 61a and the advertising two-dimensional code 61d.

[0019] Since the packaging body 61b is made of an opaque material, when the packaging body 61b is sealed, the two-dimensional code 61a and the advertising two-dimensional code 61d cannot be optically detected by the reading unit 25. Furthermore, when an IC chip is provided in the absorbing unit 80, since the packaging body 61b is made of a conductive material, when the packaging body 61b is sealed, radio waves cannot be transmitted and received between the reading unit 25 and the IC chip. That is, in the first embodiment, the two-dimensional code 61a and the advertising two-dimensional code 61d are arranged at positions that cannot be read by the reading unit 25 when the packaging body 61b is sealed, and at positions that can be read by the reading unit 25 when the packaging body 61b is opened.

[0020] Furthermore, the two-dimensional code 61a and the advertising two-dimensional code 61d are not arranged on the front surface 81b and the back surface 81c where the ventilation holes 81a (see FIG. 5) of the case part 81 of the absorption unit 80 are provided, but are arranged (attached) on the side surface 81d where the ventilation holes 81a (see FIG. 5) of the absorption unit 80 are not provided. This allows the two-dimensional code 61a and the advertising two-dimensional code 61d to not impede ventilation.

[0021] The two-dimensional code 61a stores the absorbable amount, which is the amount of carbon dioxide that the absorbing member 61 can absorb, and the predicted time until the absorbing member 61 becomes saturated. The advertisement two-dimensional code 61d stores the ID of the advertiser (hereinafter referred to as the "advertising ID").

[0022] Here, the first collector opens the packaging body 61b and starts absorbing carbon dioxide by the absorption unit 80 (absorption member 61). For example, the first collector opens the sealed portion 61ba of the packaging body 61b and takes out the absorption unit 80 to the outside of the packaging body 61b. The first collector either leaves the absorption unit 80 on the ground (floor) or a stand or the like and allows it to absorb carbon dioxide, or places the absorption unit 80 in an air purifier 60 (see FIG. 5) and allows it to absorb carbon dioxide in the air passing through the air purifier 60.

[0023] Also, a person who takes over the absorption unit 80 that has absorbed carbon dioxide from the first collector and delivers it to an intermediate storage person, a storage person, or a reuser is referred to as a second collector. The "first collector" and the "second collector" may be an individual who uses the air purifier 60, a business person who manages the air purifier 60, or a public institution (such as a local government, a country, an international institution, or a school) that manages the air purifier 60. The "second collector" may be an "intermediate storage person," "storage person," or "reuse person" described below that acts as the "second collector." The "first collector" is a "first user" that uses the system 100, and the "second collector," "intermediate storage person," "storage person," and "reuse person" are "second users" that use the system 100.

[0024] In the first embodiment, the first collector checks the display unit 23 (see FIG. 14) of the first collector terminal 20 and replaces the absorption unit 80 after the "recovery deadline" described later. "Replace" means that, if the absorption unit 80 is placed on a floor or the like, the first collector hands over the absorption unit 80 to the second collector, opens the package 61b in which a new absorption unit 80 is packaged, and places the new absorption unit 80 on the floor or the like. Also, if the absorption unit 80 is placed inside the air purifier 60, the first collector takes out the absorption unit 80 from the air purifier 60 and hands it over to the second collector, and the first collector opens the package 61b in which a new absorption unit 80 that has not yet absorbed carbon dioxide is packaged, as shown in FIG. 3, and places the new absorption unit 80 inside the air purifier 60. The first collector may replace the absorption unit 80 before the "recovery deadline".

[0025] The management server device 10 shown in FIG. 3 obtains the amount of absorption of the absorption unit 80 associated with the user ID of the first collector from the first collector terminal 20, and stores the amount of absorption in the database 12b as the amount of carbon dioxide collected. Then, the management server device 10 grants the first collector emission rights and points based on the amount of carbon dioxide collected. An "emission right" is the amount of carbon dioxide emission permitted by a country or an international organization. If the first collector's carbon dioxide emission exceeds the emission right he owns, he needs to acquire an "emission right" from another person. A "point" is something other than an "emission right" and indicates a numerical value that is beneficial to the person who receives it. For example, the "point" may have a value equivalent to the currency of the country to which the person who receives it belongs, or the size of the point may improve the preferential treatment of a certain service (for example, lower public utility charges and medical expenses) or lower the tax rate. The "information acquired from the first collector terminal 20" includes, for example, the user ID of the first collector, the ID of the absorbing member 61, the amount of carbon dioxide that the absorbing member 61 can absorb, and the predicted time until the absorbing member 61 becomes saturated or the collection deadline. The "information acquired from the first collector terminal 20" may further include information such as the weight of the absorbing member 61, the content ingredients, the name of the manufacturing plant, the name of the manufacturing company, the date of manufacture, and the location where the raw materials were collected. If an advertisement 61c is attached to the absorption unit 80, the "information acquired from the first collector terminal 20" includes information such as the advertiser's name and advertisement rank (such as the pro rata division ratio of emission credits or points with the first collector). These pieces of data are associated with each other in the database 12b described later.

[0026] The second collector delivers the absorption unit 80 (carbon dioxide) collected from the first collector to an intermediate storage, storage, or reuser. When the absorbing member 61 is not saturated, the second collector may cause the absorbing member 61 to further absorb carbon dioxide, so as to make the absorbing member 61 saturated. "Saturated" means a state in which the amount of carbon dioxide absorbed by the absorbing member 61 has almost reached the absorbable amount (for example, the amount of absorption has reached 80% or more of the absorbable amount). The standard of "saturation" exemplified as 80% is not limited to 80%. The standard of "saturation" may be set to a different value depending on, for example, whether the absorbing member 61 is stored or reused. When the storage and reuse time described later is not taken into consideration, a state in which a predicted period described later or a collection deadline has passed after the packaging body 61b is opened may be treated as a "saturated" state (the absorbing member 61 may be stored or reused as being in a "saturated" state).

[0027] The "intermediate storage" is a local government, a country, an international organization, or a private business operator that temporarily stores the absorption units 80 (carbon dioxide) collected from multiple second collectors until they are handed over to the storage or reuser. For example, the storage location of the intermediate storage may be a garbage collection site, a garbage incineration plant, a convenience store, a post office, a commercial facility, a gas station, a warehouse of a delivery company, or a public facility. The management server device 10 acquires the absorption capacity of the absorption unit 80 stored by the intermediate storage associated with the user ID of the intermediate storage from the intermediate storage terminal 30, and stores the absorption capacity in the database 12b as the intermediate storage amount of carbon dioxide (add it to the "total amount" in FIG. 25A). Then, the management server device 10 grants the intermediate storage an emission credit and points based on the intermediate storage amount of carbon dioxide.

[0028] The intermediate storage transfers the absorption units 80 (carbon dioxide) collected from the second collectors to the storage or reuser. The storage or reuser may collect the absorption units 80 (carbon dioxide) stored by the intermediate storage, or there may be a third collector who transfers the carbon dioxide from the intermediate storage to the storage or reuser. The storage stores the absorbing member 61 (carbon dioxide) of the absorption units 80 collected from the intermediate storage or the second collectors in a place other than the atmosphere. The storage may store the absorbing member 61 of the absorption unit 80 itself in a place other than the atmosphere, or may extract carbon dioxide from the absorbing member 61 and store the carbon dioxide in a place other than the atmosphere. The storage stores the absorbing member 61 after the storage and reuse time described later. This makes it possible to prevent the absorbing member 61 from being stored in an unsaturated state. Examples of storage locations include underground, underwater (under the sea), and space. A "storage entity" is an entity that stores the captured carbon dioxide in a location other than the atmosphere, and the storage entity may be, for example, a local government, a country, an international organization, or a business entity. The management server device 10 acquires the absorbable amount of the absorption unit 80 stored by the storage entity associated with the storage entity's user ID from the storage / reuse entity terminal 40, and stores the absorbable amount in the database 12b as the amount of carbon dioxide that has been stored and reused (adding it to the "total amount" in FIG. 25A). The management server device 10 then grants the storage entity emission credits and points based on the amount of carbon dioxide that has been stored and reused.

[0029] The reuser is a person who reuses the absorption member 61 of the absorption unit 80 recovered from multiple intermediate storages or multiple second collectors. For example, when the absorption member 61 in a saturated state is calcium carbonate, the reuser uses the absorption member 61 to manufacture glass products or concrete. The "reuser" is, for example, a local government, a country, an international organization, or a business (for example, a manufacturer). The management server device 10 acquires the absorbable amount of the absorption unit 80 reused by the reuser associated with the reuser's user ID from the storage / reuser terminal 40, and stores the absorbable amount in the database 12b as the stored and reused amount of carbon dioxide (added to the "total amount" in FIG. 25A). Then, the management server device 10 grants the reuser emission credits and points based on the stored and reused amount of carbon dioxide.

[0030] According to the above configuration, it is possible to manage the amount of carbon dioxide recovered, the amount of intermediate storage, and the amount of stored and reused carbon dioxide, and also to manage the emission credits related to the amount of recovered, the amount of intermediate storage, and the amount of stored and reused carbon dioxide. and points can be managed. In addition, since the absorbing member 61 is delivered to the first collector in a state sealed by the packaging body 61b so as not to come into contact with the outside air, the absorption of carbon dioxide by the absorbing member 61 is prevented. As a result, the absorbable amount received from the first collector terminal 20 matches the amount of carbon dioxide absorbed after the first collector receives the absorbing member 61, and the absorbable amount can be regarded as the amount of carbon dioxide recovered by the first collector. As a result, it is possible to prevent the amount of carbon dioxide recovered stored in the management server device 10 from being fraudulently larger than the amount of carbon dioxide that the first collector actually caused the absorbing member 61 to absorb.

[0031] The two-dimensional code 61a is arranged in a position that cannot be read by the first collector terminal 20 when the inside of the packaging body 61b is sealed, and in a position that can be read by the first collector terminal 20 when the packaging body 61b is opened, so that it is possible to prevent the absorbable amount from being illegally read from the two-dimensional code 61a when the inside of the packaging body 61b is sealed (a state in which the absorbing member 61 does not absorb carbon dioxide). As a result, it is possible to prevent the first collector from illegally transmitting information read from the two-dimensional code 61a to the management server device 10 without causing the absorbing member 61 to absorb carbon dioxide. As a result, it is possible to prevent the amount of recovered carbon dioxide from being stored as an illegal value.

[0032] (Configuration of each part of the carbon dioxide capture management system) 3, the management server device 10 is configured to be able to communicate with a plurality of first collector terminals 20, a plurality of second collector terminals 120, a plurality of intermediate storage terminals 30, a plurality of storage / reuse terminals 40, and an administrator terminal 50 via a network N. The network N is, for example, the Internet or a Local Area Network (LAN), but other networks may also be used.

[0033] The management server device 10 is a device for managing the amount of carbon dioxide collected, the amount of carbon dioxide intermediately stored, the amount of carbon dioxide stored and reused, the emission credits and points of each of the multiple first collectors, the emission credits and points of each of the multiple second collectors, the emission credits and points of each of the multiple intermediate storers, and the emission credits and points of each of the multiple storers. The management server device 10 may be an on-premise (fixed) server device, or may be a server device configured on the cloud. The management server device 10 stores the above-mentioned data such as the amount of carbon dioxide collected and the emission credits so as to have a data structure using distributed ledger technology (e.g., blockchain technology). This makes it possible to prevent tampering with the data in the management server device 10. Note that, when the possibility of tampering with the data is low, the management server device 10 may store each piece of data so as to have a data structure that does not use distributed ledger technology.

[0034] In addition, an application program for accessing the management server device 10 is installed in each of the multiple first collector terminals 20, the multiple second collector terminals 120, the multiple intermediate storage terminals 30, the multiple storage reuser terminals 40, and the administrator terminal 50. The "administrator" is a local government, a country, an international organization, or a private business that manages the management server device 10. Each of the multiple first collector terminals 20, the multiple second collector terminals 120, the multiple intermediate storage terminals 30, the multiple storage reuser terminals 40, and the multiple administrator terminals 50 acquires information and images provided by the management server device 10 by accessing the management server device 10. Note that it is not limited to using dedicated application software, and browser software (for example, a web browser) may be installed in each of the multiple first collector terminals 20, the multiple second collector terminals 120, the multiple intermediate storage terminals 30, the multiple storage reuser terminals 40, and the multiple administrator terminals 50. In this case, information and images provided by the management server device 10 are displayed on a browser on each of the multiple first collector terminals 20, the multiple second collector terminals 120, the multiple intermediate storage user terminals 30, the multiple storage / reuse user terminals 40, and the multiple manager terminals 50.

[0035] As shown in FIG. 5, the absorbing member 61 is disposed in the air purifier 60. That is, the air purifier 60 according to the first embodiment is a carbon dioxide removing device. The air purifier 60 includes a control unit 62, an apparatus information storage unit 63, a notification unit 64, a fan 65, an air cleaning filter 66, a reading unit 67, and an absorption unit 80. The control unit 62 includes a processor that executes a control process by executing a program. The control unit 62 executes each control process of the air purifier 60. The apparatus information storage unit 63 stores information on the air volume passing through the absorption unit 80. The apparatus information storage unit 63 is configured as, for example, a two-dimensional code or a one-dimensional code, and is configured so that the data (information on the air volume) stored therein can be read by the reading unit 25. The apparatus information storage unit 63 may be configured as an IC chip, and may be configured so that the data (information on the air volume) stored in the IC chip can be read by the reading unit 25. The notification unit 64 is configured as, for example, a display, and displays a collection deadline, which will be described later. The reading unit 67 is disposed at a position facing the two-dimensional code 61a of the absorbing unit 80 when the absorbing unit 80 is placed inside the air purifier 60. The reading unit 67 is configured to read data from the two-dimensional code 61a.

[0036] As shown in FIG. 5, the air purifier 60 includes a housing 68 that houses an absorbing member 61 and a fan 65. The housing 68 includes an intake port 68a that draws air into the housing 68 and an exhaust port 68b that exhausts air to the outside of the housing 68. In the first embodiment, the absorbing unit 80 (absorbing member 61), the fan 65, and the air purifying filter 66 are arranged in this order from the intake port 68a toward the exhaust port 68b inside the housing 68. The fan 65 generates an airflow A so that air passes through the absorbing member 61 and the air purifying filter 66. The device information storage unit 63 is arranged outside the housing 68. The air purifying filter 66 is, for example, a HEPA filter. The air purifying filter 66 is arranged in the ventilation path of the airflow A generated by driving the fan 65 (for example, closer to the exhaust port 68b than the absorbing member 61 and the fan 65).

[0037] As shown in FIG. 5, the absorbing unit 80 includes a case 81 that houses the absorbing member 61 and a window 82 provided on a side of the case 81. The case 81 is provided with a plurality of ventilation holes 81a that allow ventilation to the absorbing member 61. The window 82 is made of a transparent material so that the absorbing member 61 can be seen from outside the absorbing unit 80. The housing 68 is provided with a window 68c so that the absorbing member 61 can be seen through the window 82. The window 68c is made of a transparent material so that the absorbing member 61 can be seen from outside the housing 68. This allows the user to check the state (e.g., color) of the absorbing member 61 even when the absorbing member 61 is placed inside the air purifier 60.

[0038] Furthermore, the housing 68 is configured so that the absorption unit 80 can be attached to and detached from the air purifier 60. For example, the window portion 68c is configured so as to be removable from the housing 68, and the absorption unit 80 can be removed to the outside of the air purifier 60 through the portion from which the window portion 68c has been removed. Note that the method of attaching and detaching the absorption unit 80 to and from the air purifier 60 is not limited to this example, and the absorption unit 80 may be attached and detached with a part of the housing 68 other than the window portion 68c being opened.

[0039] (Detailed configuration of each information terminal) The first collector terminal 20 shown in FIG. 3 is an information terminal used by the first collector. The second collector terminal 120 is an information terminal used by the second collector. The intermediate custodian terminal 30 is an information terminal used by the intermediate custodian. The plurality of storage / reuse user terminals 40 are information terminals used by the storage users. The manager terminal 50 is an information terminal used by the manager. The "information terminals" are as follows: For example, a smartphone, a smart watch, a personal computer, or a tablet terminal can be used.

[0040] Configuration of the first collector terminal 20 FIG. 4 is a block diagram showing the configuration of the first collector terminal 20. As shown in FIG. 4, the first collector terminal 20 includes a control unit 21, an operation unit 22, a display unit 23, a communication unit 24, a reading unit 25, a storage unit 26, and a position information sensor 27. The control unit 21 includes a processor that executes a program to execute a control process. The control unit 21 executes each control process of the first collector terminal 20. The operation unit 22 is a user interface such as a keyboard, a mouse, or a touch panel. The display unit 23 is, for example, a liquid crystal display or an organic EL display. In addition, when the display unit 23 is configured as a touch panel, the touch panel may serve as both the operation unit 22 and the display unit 23. The communication unit 24 is a communication interface and is connected to the network N.

[0041] The reading unit 25 is, for example, a camera that captures the two-dimensional code 61a attached to the absorbing member 61 and the device information storage unit 63. The reading unit 25 is not limited to this, and may include a light emitting unit that irradiates the two-dimensional code 61a and the device information storage unit 63 with light, and a light receiving unit that detects reflected light. The reading unit 25 may also be provided with a circuit that reads out data in an IC chip. The storage unit 26 includes, for example, at least one of an SSD (Solid State Drive) and an HDD (Hard Disk Drive). The storage unit 26 stores an application program 26a. The position information sensor 27 is, for example, a GPS (Global Positioning System) sensor.

[0042] Fig. 6 is a diagram for explaining an example of a member registration screen displayed on the display unit 23 of the first collector terminal 20. As shown in Fig. 6, when the application program 26a is started for the first time by the control unit 21, the member registration screen is displayed. Note that a "member" is a user who has registered his / her name or title, his / her attributes, etc. in the management server device 10.

[0043] The display unit 23 displays a member registration screen for inputting the user's name or title, information on the user's attributes (such as the company or organization to which the user belongs, and the location), and information on the authority to obtain information on other people's information. The first collector inputs information to the first collector terminal 20, and the input information is transmitted from the first collector terminal 20 to the management server device 10. Here, as described above, the first collector may be an individual, a company, or any group or organization. In the case of a company, the headquarters (management department) may want to confirm information such as the collection record (collection amount) of each branch and each sales office. In addition, regardless of whether the first collector is a company, any group or organization may collect carbon dioxide while understanding the collection amount of other companies and raising awareness of global warming countermeasures. Therefore, the first collector can request the management server device 10 to grant the authority to obtain information on other people's information to the first collector by inputting information on the authority to obtain information on other people. Note that even if the first collector does not register as a member, the second collector may collect the absorbing member 61 from the first collector. "Right to obtain information of others" means the right to access (view) information in database 12b associated with other user IDs for which the user has authority.

[0044] A "Send" button is displayed on the first collector terminal 20. When the "Send" button is selected, the first collector terminal 20 transmits the information entered on the screen shown in Fig. 6, the identification information of the first collector terminal 20, and the location information of the first collector terminal 20 to the management server device 10.

[0045] FIG. 7 is a diagram showing an example of information stored in the database 12b. As shown in FIG. 7, the management server device 10 associates the information received from the first collector terminal 20 with a newly issued user ID and stores it in the database 12b. For example, the management server device 10 associates the identification information (terminal ID) of the first collector terminal 20, attribute information, location information, and other company information acquisition authority information with the newly issued user ID and stores them in the database 12b. In addition to the above method, the member registration can also be performed by sending (by mail or e-mail, etc.) a registration form on which the above information in this paragraph is filled in to the administrator. In that case, in the process shown in FIG. 8, the administrator terminal 50 transmits a member number (such as the two-dimensional code 23a) to the first collector terminal 20, or a sticker with the two-dimensional code 23a written thereon is sent by mail to the first collector.

[0046] 8 is a diagram for explaining an example of a screen for notifying a user ID displayed on the display unit 23 of the first collector terminal 20. The management server device 10 acquires information read and input on the member registration screen from the first collector terminal 20, and issues a new user ID. Then, the management server device 10 transmits the two-dimensional code 23a in which the user ID is stored in the first collector terminal 20 to the first collector terminal 20. Upon receiving the two-dimensional code 23a, the first collector terminal 20 displays the two-dimensional code 23a on the display unit 23 as shown in FIG. 8. The two-dimensional code 23a may be a barcode or may be displayed as numbers.

[0047] Furthermore, when the management server device 10 receives information on the right to obtain information on information of another person from the first collector terminal 20 (for example, "individual A") (for example, when A wants to view information on the organization to which A belongs (hereinafter referred to as "organization B")), the management server device 10 performs a notification requesting approval to the terminal of the organization B (not shown). Then, when the management server device 10 receives a response of approval from the terminal of the organization B, the management server device 10 controls the first collector terminal 20 of the individual A so that the information on the first collector (individual A) stored in the database 12b (information on the amount of collection, etc.) and the information on the organization B stored in the database 12b can be viewed. Furthermore, the management server device 10 controls the terminal of the organization B so that the information on the individual A stored in the database 12b (information on the amount of collection, etc.) can be viewed. The above-mentioned approval procedure may be performed at the time of member registration as described above, or may be performed after member registration. Furthermore, if the user himself / herself approves the publication of his / her own information stored in the database 12b, all other users can access the information. For example, regarding the amount of collection by other groups, organizations, and individuals other than the organization to which the user belongs, the user can view the information of the groups, organizations, and individuals that the user has approved to be made public. The information of the groups, organizations, and individuals that the user has approved to be made public may be published on a website, separate from the system. Then, as shown in FIG. 8, for example, a message such as "You can view the information of users belonging to 'XX Co., Ltd.'" is displayed on the display unit 23. Then, the first collector can access the information associated with the user ID belonging to 'XX Co., Ltd.' in the database 12b. Also, when approval is rejected, for example, a message such as "Approval has been rejected. You cannot view the information of users belonging to 'XX Co., Ltd.'" is displayed on the display unit 23.

[0048] The process of reading by the reading unit 25 will be described with reference to Figs. 9 to 13. The operations of the reading unit 25 and the display unit 23 are executed by the control process of the control unit 21. Figs. 9 to 13 are diagrams for explaining examples of screens displayed on the display unit 23 of the first collector terminal 20. When the first collector starts the application program 26a of the first collector terminal 20 to start absorbing carbon dioxide by the absorption unit 80, reading by the reading unit 25 is started, and the screen shown in Fig. 9 is displayed on the display unit 23.

[0049] As shown in FIG. 9, the display unit 23 displays an image of the two-dimensional code 23a photographed by the reading unit 25. The display unit 23 displays, for example, a message such as "Please read the two-dimensional code," a "User ID" column, a "Absorption capacity column," a "Filter ID" column, a "Predicted time" column, an "Advertisement" column, and a "Air volume" column. Information read by the reading unit 25 is displayed in each column. When the two-dimensional code 23a is read, for example, "10001" is displayed in the "User ID" column. Note that the reading may be performed in response to an operation on the "Read" button displayed in FIG. 9, or may be performed automatically regardless of the operation.

[0050] As shown in Fig. 10, when the two-dimensional code 61a is read, for example, "18g" is displayed in the "absorbable amount" column, for example, "00001" is displayed in the "filter ID" column, and "60 days" is displayed in the "estimated time" column. As shown in Fig. 11, when the advertising two-dimensional code 61d is read, for example, "001" is displayed in the "advertising ID" column.

[0051] As shown in Fig. 12, when the device information storage section 63 is read, for example, "△m3 / min." is displayed in the "Air volume" column. Also, as shown in Fig. 13, when the first collector does not install the absorption unit 80 in the air purifier 60, the process related to reading by the reading section 25 shown in Figs. 9 to 13 is terminated by selecting the "Do not install in air purifier" button.

[0052] Here, the time required for the absorbing member 61 to become saturated can be known by conducting an experiment in advance. For example, the absorbing member 61 (the absorbing unit 80) is left in an environment with a relatively low carbon dioxide concentration, such as 300 to 400 ppm, and the time until saturation is measured. The above-mentioned time until saturation is stored as a "predicted time" in the two-dimensional code 61a. As a result, if the absorbing member 61 is used in an environment with a carbon dioxide concentration of 300 to 400 ppm or more, the time until the absorbing member 61 becomes saturated after the package 61b is opened will be less than the predicted time. In the example of FIG. 13, if the "Do not install in an air purifier" button is selected (if the information on the air volume is not read), as shown in FIG. 14, the control unit 21 determines the day when the predicted time read from the two-dimensional code 61a has elapsed from the current day as the collection deadline of the absorbing unit 80. For example, if the "predicted time" is 60 days, the date 60 days after the current day is determined as the collection deadline. Then, the control unit 21 causes the display unit 23 to display the collection deadline of the absorbing unit 80. 14 shows an example in which a "year, month, and date" is displayed as the "capture deadline", but a "time" may also be displayed. This allows the first recoverer to replace the absorption unit 80 immediately after it becomes saturated by replacing the absorption unit 80 according to the capture deadline, enabling efficient capture of carbon dioxide.

[0053] Moreover, when the absorption unit 80 is placed in the air purifier 60, the time when the absorption member 61 becomes saturated is earlier than the "predicted time". Therefore, in the first embodiment, the time when the absorption unit 80 (absorption member 61) placed in the air purifier 60 becomes saturated is measured in advance. Then, a coefficient that is a ratio of the measured time to the predicted time is stored in the application program 26a. Also, since the value of this coefficient differs for each air volume, the application program 26a stores the coefficient in a state associated with the air volume. Then, in the first embodiment, when the reading unit 25 reads the information on the air volume, the control unit 21 determines the carbon dioxide capture deadline based on the predicted time, the information on the air volume, and the current date and time. For example, when the air volume is "△m3 / min.", the control unit 21 reads the coefficient "0.2" from the application program 26a, and determines the number of days from the current day obtained by multiplying the coefficient by the predicted time as the capture deadline of the absorption unit 80. For example, if the "prediction time" is 60 days and the "coefficient" is 0.2, the capture deadline is set to 12 days from the current date. This makes it possible to appropriately determine the carbon dioxide capture deadline based on the wind volume information, even if the carbon dioxide capture speed is improved.

[0054] Then, the control unit 21 transmits to the management server device 10 via the communication unit 24 the filter ID, the advertisement ID, the absorbable amount, the collection deadline, and the storage reuse time, which will be described later, in association with the user ID.

[0055] Also, as shown in FIG. 16, if the current date and time has passed the collection deadline, the control unit 21 causes the display unit 23 to display a message such as "The collection deadline has passed. Please replace the filter" encouraging replacement of the absorption unit 80.

[0056] The control unit 62 of the air purifier 60, like the control unit 21, determines the "recovery deadline" and displays the recovery deadline on the notification unit 64 as shown in Fig. 14. The control unit 62 reads the predicted time from the two-dimensional code 61a using the reading unit 67, and determines the carbon dioxide recovery deadline based on the predicted time, air volume information, and the current date and time. Also, like the control unit 21, the control unit 62 causes the notification unit 64 to display a message encouraging replacement of the absorption unit 80 when the current date and time has passed the recovery deadline as shown in Fig. 16.

[0057] Configuration of the second collector terminal 120 Fig. 17 is a block diagram showing the configuration of the second collector terminal 120. As shown in Fig. 17, the second collector terminal 120 includes a control unit 121, an operation unit 122, a display unit 123, a communication unit 124, a reading unit 125, and a storage unit 126. The control unit 121 executes each control process of the second collector terminal 120. The control unit 121, the operation unit 122, the display unit 123, the communication unit 124, the reading unit 125, and the storage unit 126 have the same configuration as the control unit 21, the operation unit 22, the display unit 23, the communication unit 24, the reading unit 25, and the storage unit 26, and therefore the description thereof will be omitted.

[0058] 18 is an example of an image displayed on the display unit 123 of the second collector terminal 120. When or after collecting the absorption unit 80 from the first collector, the second collector reads the user ID from the two-dimensional code 123a in which the user ID of the second collector is stored, by using the second collector terminal 120. Note that the second collector is not limited to directly collecting the absorbing member 61 from the first collector, and the first collector may place the absorbing member 61 at a predetermined collection site (for example, a garbage dump) at any time, and the second collector may collect the absorbing member 61 placed at the predetermined collection site.

[0059] Then, similar to the example shown in FIG. 10 to FIG. 13, the second collector reads information from the two-dimensional code 61a of the absorption unit 80 by the second collector terminal 120. The second collector terminal 120 transmits the filter ID and the absorbable amount read from the two-dimensional code 61a to the management server device 10 in a state in which the filter ID and the absorbable amount are associated with the user ID of the second collector. Then, the management server device 10 stores the filter ID and the absorbable amount received from the second collector terminal 120 in the database 12b in a state in which the filter ID and the absorbable amount are associated with the user ID of the second collector. Also, the management server device 10 calculates the remaining amount of absorbable amount (unsaturated amount) based on the date and time when the absorption of carbon dioxide started, the current date and time, and the collection deadline. For example, the management server device 10 sets the date and time when the absorbable amount was received from the first collector terminal 20 as the date and time when the absorption started, and calculates a first period from the date and time when the absorption started to the collection deadline. Then, the management server device 10 calculates a second period from the current date and time to the collection deadline. Then, the management server device 10 multiplies the absorbable amount by the ratio of the period obtained by subtracting the second period from the first period to the first period, and sets the value as the remaining absorbable amount (unsaturated amount). Also, the management server device 10 transmits the remaining absorbable amount to the second collector terminal 120.

[0060] Here, there are cases where the absorption unit 80 is handed over from the first collector to the second collector after its collection deadline (see FIG. 16), and cases where the absorption unit 80 is handed over from the first collector to the second collector before its collection deadline (see FIG. 14). The remaining amount of absorbable amount received from the management server device 10 is displayed on the display unit 123 of the second collector terminal 120, as shown in FIG. 19. The second collector checks the remaining amount of absorbable amount, and if there is a remaining amount, further promotes the absorption of carbon dioxide by the absorption unit 80, and if there is no remaining amount, hands over the absorption unit 80 to an intermediate custodian or a storer.

[0061] Configuration of the intermediate storage terminal 30, the storage reuse terminal 40, and the manager terminal 50 Fig. 20 is a block diagram showing the configuration of the intermediate storage terminal 30. As shown in Fig. 20, the intermediate storage terminal 30 includes a control unit 31, an operation unit 32, a display unit 33, a communication unit 34, and a reading unit 35. The control unit 31 includes a processor that executes a program to execute control processes. The control unit 31 executes each control process of the intermediate storage terminal 30. The operation unit 32, the display unit 33, the communication unit 34, and the reading unit 35 are similar to the operation unit 22, the display unit 23, the communication unit 24, and the reading unit 25, respectively, and therefore description thereof will be omitted.

[0062] The intermediate storage receives the absorption unit 80 from the second collector, and transmits the information read from the two-dimensional code 61a of the absorption unit 80 to the management server device 10 in a state in which the user ID (ID of the intermediate storage) is associated with the information. The intermediate storage may receive the absorption unit 80 from the first collector.

[0063] Fig. 21 is a block diagram showing the configuration of the storage / reuse user terminal 40. As shown in Fig. 21, the storage / reuse user terminal 40 includes a control unit 41, an operation unit 42, a display unit 43, a communication unit 44, and a reading unit 45. The control unit 41 includes a processor that executes control processes by executing a program. The control unit 41 executes each control process of the storage / reuse user terminal 40. The operation unit 42, the display unit 43, the communication unit 44, and the reading unit 45 are similar to the operation unit 22, the display unit 23, the communication unit 24, and the reading unit 25, respectively, and therefore description thereof will be omitted.

[0064] The storage receives the absorption unit 80 from the intermediate storage, and transmits the information read from the two-dimensional code 61a of the absorption unit 80 to the management server device 10 in a state in which the user ID (the ID of the storage) is associated with the information. The storage may receive the absorption unit 80 from the first collector or the second collector.

[0065] FIG. 22 is a block diagram showing the configuration of the administrator terminal 50. As shown in FIG. 22, the administrator terminal 50 includes a control unit 51, an operation unit 52, a display unit 53, and a communication unit 54. The control unit 51 includes a processor that executes a control process by executing a program. The control unit 51 executes each control process of the administrator terminal 50. The operation unit 52, the display unit 53, and the communication unit 54 are similar to the operation unit 22, the display unit 23, and the communication unit 24, respectively, and therefore will not be described. The administrator who manages the management server device 10 operates the administrator terminal 50 to edit the contents of the database 12b.

[0066] (Configuration of management server device 10) 3, the management server device 10 includes a control unit 11, a storage unit 12, and a communication unit 13. The control unit 11 includes a processor that executes a program 12a to execute control processing. The control unit 11 executes each control processing of the management server device 10. The communication unit 13 is a communication interface, and is connected to a network N.

[0067] A program 12a and a database 12b are stored in the storage unit 12. The program 12a is a program that causes the processor of the control unit 11 to execute each control process in order to manage the amount of carbon dioxide recovered in at least one of the atmosphere and the air exhausted from the device.

[0068] FIG. 23 is a diagram showing an example of information acquired by the control unit 11 from each terminal. The control unit 11 receives the "user ID", "filter ID", "advertising ID", "absorbable amount", and "recovery deadline" from the first collector terminal 20, the second collector terminal 120, the intermediate storage terminal 30, and the storage / reuse terminal 40 via the communication unit 13. For example, as shown in FIG. 23, the received information includes the acquisition date and time (e.g., "2022 / 1 / 1 / 10:32"), the user ID (e.g., "10001"), the filter ID (e.g., "00001"), the advertisement ID (e.g., "001"), the collection deadline (e.g., "2022 / x / y"), and the absorbable amount (e.g., "18g").

[0069] FIG. 24 is a diagram showing an example of information stored in the database 12b. As shown in FIG. 24, the database 12b stores a user ID in association with the total value of the amount of carbon dioxide recovered, the amount of intermediate storage, or the amount of stored and reused carbon dioxide, the emission credits, points, and the advertisement ID. For example, when the management server device 10 receives data of the date and time "2022 / 1 / 1 / 10:32" shown in FIG. 23 from the first collector terminal 20, as shown in FIG. 24, the control unit 11 stores the absorbable amount (18g) received from the first collector terminal 20 in the database 12b as the amount of carbon dioxide recovered by the first collector in association with the user ID (10001). For example, when the "total amount" of the user ID (10001) is "0g", the control unit 11 adds 18g to "0g" and stores it as "18g" in the database 12b.

[0070] Furthermore, when the management server device 10 receives data of the date and time "2022 / 1 / 1 / 10:32" shown in Fig. 23 from the first collector terminal 20, the control unit 11 stores the absorbable amount (18g) received from the first collector terminal 20 in the database 12b as the carbon dioxide recovery amount of the first collector in a state in which it is associated with the user ID (10001) as shown in Fig. 24. Furthermore, the control unit 11 stores the filter ID (00001) in the database 12b in a state in which it is associated with the user ID (10001).

[0071] In addition, when the management server device 10 receives the filter ID, it determines whether the filter ID is associated with another user ID. For example, when the management server device 10 receives data of the date and time "2022 / 1 / 7 / 10:34" shown in FIG. 23 from the second collector terminal 120, the control unit 11 determines that the filter ID (00001) is associated with the user ID (10001). In this case, if the date and time "2022 / 1 / 7 / 10:34" received from the second collector terminal 120 is before the collection deadline (2022 / x month x day) shown in FIG. 23, the control unit 21 adds the amount of carbon dioxide absorbed by the absorbing member 61 from the received date and time to the collection deadline (the remaining amount of absorbable amount) to the total amount as the collection amount of carbon dioxide of the second collector, as shown in FIG. 25A. That is, the control unit 21 associates the remaining amount of absorbable amount (unsaturated amount) with the user ID of the second collector and stores it in the database 12b. Furthermore, when the remaining amount of absorbable amount is stored in the database 12b as the amount of carbon dioxide collected by the second collector (user ID is 12456), the control unit 21 performs a process of subtracting the remaining amount of absorbable amount from the (total amount of) the amount of carbon dioxide collected by the first collector (user ID is 10001) in the database 12b. For example, when the remaining amount of absorbable amount is "9g", the control unit 21 reduces the total amount of the first collector (user ID is 10001) from "18g" to "9g" and increases the total amount of the second collector (user ID is 12456) from "0g" to "9g". This makes it possible to prevent the collected amounts of the second collector and the first collector from being stored in duplicate. As a result, the collected amount of the second collector and the collected amount of the first collector can be appropriately stored.

[0072] Furthermore, the management server device 10 stores the absorbable amount received in association with a user ID whose user attribute is "intermediate custodian" in the database 12b as the intermediate storage amount of carbon dioxide. For example, when the control unit 21 receives information of the date and time "2022 / 1 / 2 / 21:00" shown in FIG. 23 from the intermediate custodian terminal 30, it adds the received absorbable amount to the total value of the intermediate storage amount of carbon dioxide associated with the user ID (24584) as shown in FIG.

[0073] Furthermore, the management server device 10 stores the absorbable amount received in association with a user ID whose user attribute is "storage person" in the database 12b as a carbon dioxide storage person. For example, when the control unit 21 receives information of the date and time "2022 / 1 / 3 / 10:32" shown in Fig. 23 from the storage / reuse person terminal 40, as shown in Fig. 24, it adds the received absorbable amount to the total value of the stored and reused amount of carbon dioxide associated with the user ID (34568).

[0074] Also, as shown in FIG. 24, the database 12b stores information on emission rights and points in association with user IDs. Then, as shown in FIG. 26, a user can trade emission rights and points with other users, and the transaction results are transmitted from each information terminal to the management server device 10. For example, as shown in FIG. 26, the control unit 11 obtains information indicating that "the transferor user ID is '10001'", "the recipient user ID is '13546'", and "the traded points are 'XXpt'" from the first collector terminal 20 (transferor user). The control unit 11 subtracts points "XXpt" from the points of the user ID "10001" in the database 12b, and adds points "XXpt" to the points of the user ID "24568". Also, as shown in FIG. 26, the results of trading emission rights between the user and not only other users but also countries and other countries are stored in the database 12b.

[0075] When the control unit 21 of the first collector terminal 20 reads the two-dimensional code 61a (see FIG. 10), the control unit 21 determines the storage and reuse time, which is the time to store the absorbing member 61 or the time to reuse the absorbing member 61, based on the read predicted time and the current date and time. The "storage and reuse time" is a time after the collection deadline and a time when the absorbing member 61 is sufficiently saturated. For example, as shown in FIG. 27, the control unit 21 determines the storage and reuse time to be a time (for example, XX month, 2023) after the collection deadline (for example, XX day, XX month, 2022). For example, the control unit 21 determines the time when the predicted time has passed from the collection deadline as the storage and reuse time. That is, when the absorption unit 80 is not placed in the air purifier 60, the control unit 21 determines the time when the period twice the predicted time has passed from the current date and time (the date and time when the two-dimensional code 61a is read) as the storage and reuse time. Although the above examples have been shown in which the storage and reuse time is determined as the time when a predicted time has elapsed with respect to the collection deadline, and the storage and reuse time is determined as the time when twice the predicted time has elapsed from the current date and time (date and time when the two-dimensional code 61a is read) when the absorption unit 80 is not placed in the air purifier 60, the present disclosure is not limited to these. In other words, the storage and reuse time may be determined by experimentally determining in advance the time when the absorbing member 61 becomes sufficiently saturated with respect to the collection deadline, and the experimentally determined time may be stored in the first collector terminal 20 or the management server device 10 as the storage and reuse time.

[0076] Then, the first collector terminal 20 transmits the determined storage reuse time and collection deadline to the management server device 10 in a state associated with the filter ID. As shown in FIG. 28, the control unit 11 of the management server device 10 stores the received storage reuse time and collection deadline in the database 12b in a state associated with the filter ID. Thereafter, when a filter ID is transmitted from the second collector terminal 120, the intermediate storage terminal 30, or the storage reuser terminal 40 to the management server device 10, the management server device 10 transmits the storage reuse time associated with the filter ID to the terminal that transmitted the filter ID. The terminal that transmitted the filter ID (for example, the storage reuser terminal 40) receives the storage reuse time and displays the received storage reuse time on the display unit (display unit 43 in the case of the storage reuser terminal 40) as shown in FIG. 27. For example, the control unit 41 displays on the display unit 43 "The storage and reuse time is XX / XX / 2023" and displays a message encouraging storage or reuse after the storage and reuse time, such as "Please store or reuse the absorbent member after the storage and reuse time." A screen shown in Fig. 27 may be displayed on the display unit 123 or 33. Furthermore, the first collector terminal 20 may display the screen shown in Fig. 27 on the display unit 23 when transmitting (for example, after transmitting) the determined storage and reuse time and collection deadline to the management server device 10 in a state associated with the filter ID.

[0077] According to the above configuration, even if the absorbent member 61 collected at the collection deadline is not actually saturated (unsaturated), the absorbent member 61 is stored or reused after the storage and reuse period, which is a period after the collection deadline, thereby preventing the unsaturated absorbent member 61 from being stored or reused.

[0078] [Second embodiment] Next, the configuration of the carbon dioxide capture amount management system 200 according to the second embodiment will be described with reference to Fig. 29 to Fig. 31. In the first embodiment, an example was shown in which the filter ID, the absorbable amount, and the predicted time were stored in the two-dimensional code 61a, but in the second embodiment, only the filter ID is stored in the two-dimensional code 261a. Note that the same components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and the description thereof will be omitted.

[0079] 29 is a block diagram of a carbon dioxide capture amount management system 200 (hereinafter referred to as "system 200") according to the second embodiment. The system 200 includes a management server device 210, a first collector terminal 220, a second collector terminal 320, an intermediate storage user terminal 230, and a storage / reuse user terminal 240. The management server device 210 includes a control unit 211 and a storage unit 212. The storage unit 212 stores a program 212a and a database 212b.

[0080] As shown in Fig. 30, in the second embodiment, the database 212b prestores the absorbable amount and the predicted time in association with the filter ID. As a result, the first collector terminal 220 reads the filter ID from the two-dimensional code 261a, and transmits the filter ID and the air volume information to the management server device 210 in association with the user ID, as shown in Fig. 31.

[0081] Then, the management server device 210 refers to the database 212b and reads out the absorbable amount and the predicted time associated with the filter ID. The database 212b of the management server device 210 also stores data showing the relationship between the air volume information and the coefficient shown in FIG. 15. The control unit 211 then reads out the coefficient associated with the air volume information received from the first collector terminal 220 from the database 212b, and determines the collection deadline as the date and time when the number of days obtained by multiplying the read coefficient by the predicted time has elapsed from the current date and time. The control unit 211 then stores the user ID in the database 212b in association with the filter ID, the absorbable amount, and the collection deadline, similar to the example shown in FIG. 23. The control unit 211 then adds the absorbable amount and the filter ID to the total amount of the corresponding user ID (stores it as the amount of carbon dioxide collected), similar to the example shown in FIG. 24.

[0082] Furthermore, when the control unit 211 reads out the predicted time, it determines the storage and reuse time, which is the time to store the absorbing member 61 or the time to reuse the absorbing member 61, based on the read out predicted time and the current date and time. The method of determining the storage and reuse time is the same as that in the first embodiment, so the description will be omitted. Then, the management server device 210 stores the determined storage and reuse time and the collection deadline in the database 212b in a state associated with the filter ID. As shown in FIG. 28, the control unit 11 of the management server device 10 stores the determined storage and reuse time and the collection deadline in the database 212b in a state associated with the filter ID. After that, when the filter ID is transmitted from the second collector terminal 320, the intermediate keeper terminal 230, or the storage and reuse user terminal 240 to the management server device 210, the management server device 210 transmits the storage and reuse time associated with the filter ID to the terminal that transmitted the filter ID. The terminal that transmitted the filter ID receives the storage and reuse time, and displays the received storage and reuse time on the display unit as shown in FIG. 27. In addition, the management server device 210 may transmit the determined storage reuse time to the first collector terminal 220, and the first collector terminal 220 may display the received storage reuse time on the display unit 23 in a manner similar to the example screen shown in FIG. 27.

[0083] Furthermore, the control unit 211 transmits information on the collection deadline to the first collector terminal 220. The first collector terminal 220 displays the received collection deadline on the display unit 23, similar to the example of FIG. 14. The second collector terminal 320, the intermediate storage terminal 230, and the storage / reuse terminal 240 are configured similarly to the first collector terminal 220. This configuration also makes it possible to prevent the amount of recovered carbon dioxide from being stored as an incorrect value. Other configurations and effects of the second embodiment are similar to those of the first embodiment.

[0084] [Modification of the second embodiment] In the above-described second embodiment, an example has been described in which the collection deadline is determined by the management server device 210, but the present disclosure is not limited to this. For example, as in a carbon dioxide collection amount management system 400 (hereinafter, referred to as "system 400") according to a modified example of the second embodiment shown in Fig. 32 and Fig. 33, the collection deadline may be determined by the first collector terminal 420.

[0085] FIG. 32 is a block diagram of a system 400 according to a modified example of the second embodiment. FIG. 33 is a block diagram of a first collector terminal 420. As shown in FIG. 32, the system 400 includes a management server device 410, a first collector terminal 420, a second collector terminal 520, an intermediate storage terminal 430, and a storage / reuse terminal 440. The management server device 410 includes a control unit 411 and a storage unit 412. The storage unit 412 stores a program 412a and a database 212b. Also, as shown in FIG. 33, the first collector terminal 420 includes a control unit 421 and a storage unit 426 in which an application program 426a is stored.

[0086] As shown in Fig. 31, the first collector terminal 420 reads the filter ID from the two-dimensional code 261a, and transmits the filter ID to the management server device 410 in a state in which the filter ID is associated with the user ID. The management server device 410 refers to the database 212b and reads out the possible absorption amount and the predicted time associated with the filter ID. Then, the management server device 410 associates the user ID received from the first collector terminal 420 with the filter ID and the possible absorption amount and stores it in the database 212b. The management server device 410 adds the possible absorption amount and the filter ID to the total amount of the corresponding user ID (stores it as the amount of carbon dioxide recovered), similar to the example shown in Fig. 24.

[0087] Then, the management server device 410 transmits the predicted time to the first collector terminal 420. The application program 426a also stores data showing the relationship between the air volume information and the coefficient shown in FIG. 15. The control unit 421 of the first collector terminal 420 executes the application program 426a to read out the coefficient associated with the air volume information read from the device information storage unit 63 (see FIG. 5). The control unit 421 determines the collection deadline as the date and time that is the number of days that has passed since the current date and time and is calculated by multiplying the predicted time received from the management server device 410 by the coefficient.

[0088] Then, the control unit 421 displays the collection deadline on the display unit 23, similar to the example of FIG. 14. The first collector terminal 420 also associates the collection deadline with at least one of the user ID and the filter ID, and transmits it to the management server device 410. The management server device 410 then stores the received collection deadline in the database 212b, associating it with the user ID, the filter ID, and the absorbable amount, similar to the example shown in FIG. 23. The second collector terminal 520, the intermediate storage terminal 430, and the storage / reuse terminal 440 are configured in the same manner as the first collector terminal 420. This configuration also makes it possible to prevent the amount of carbon dioxide collected from being stored as an incorrect value.

[0089] [Third embodiment] Next, the configuration of a carbon dioxide recovery amount management system 600 according to a third embodiment will be described with reference to Fig. 34 to Fig. 36. In the third embodiment, a concentration sensor 661 for detecting a carbon dioxide concentration is disposed in an air purifier 660. Note that the same components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and description thereof will be omitted.

[0090] Fig. 34 is a block diagram of a carbon dioxide recovery amount management system 600 (hereinafter referred to as "system 600") according to the third embodiment. The system 600 includes a management server device 610, a first collector terminal 620, and an air purifier 660. Note that Fig. 34 omits illustration of a second collector terminal, an intermediate manager terminal, a storage / reuse user terminal, and a manager terminal.

[0091] The management server device 610 includes a control unit 611 and a storage unit 612. The storage unit 612 stores a program 212a. As shown in FIG. 35, the air purifier 660 includes a concentration sensor 661 that detects a carbon dioxide concentration, a control unit 662, a communication unit 663, and a display unit 664. The communication unit 663 is a communication interface that communicates with the management server device 610 and the first collector terminal 620 via the network N. The concentration sensor 661 is disposed, for example, on the outside of the housing 68 of the air purifier 660, and detects the carbon dioxide concentration in the surrounding air.

[0092] When the carbon dioxide concentration is a value higher than the predetermined range, the control unit 662 corrects the collection deadline once determined by the first collector terminal 620 to a closer date (moves it forward). Also, when the carbon dioxide concentration is a value less than the predetermined range, the control unit 662 corrects the collection deadline once determined by the first collector terminal 620 to a longer date (moves it forward). For example, when the collection deadline is a value determined by an experiment in an environment within the range of 300 to 400 ppm, the "predetermined range" is 300 to 400 ppm. Note that the "predetermined range" may be a value other than 300 to 400 ppm.

[0093] For example, when the predetermined range is 300 to 400 ppm, if the carbon dioxide concentration detected by the concentration sensor 661 is 700 ppm, which is higher than 400 ppm, the control unit 662 corrects the carbon dioxide concentration to a time closer to the collection deadline (for example, XX day, 2022) as shown in FIG. 36 (for example, XX day, 2022: "X" is a day before "XX"). For example, the control unit 662 calculates a value (half in this case) obtained by dividing the detected carbon dioxide concentration (for example, 700 ppm) from the median value (for example, 350 ppm) of the predetermined range. Then, the control unit 662 multiplies the calculated value (half in the above case) by the number of days from the current date and time to the collection deadline, and sets the date and time when the number of days multiplied by the current date and time has passed as the collection deadline after the correction. That is, if the collection deadline is 20 days after the current date and time, the date and time 10 days after the current date and time is set as the collection deadline after the correction.

[0094] Then, the control unit 662 displays the corrected collection deadline on the display unit 664 as shown in FIG. 36. For example, the display unit 664 displays a message such as "The collection deadline has been changed from XX / XX / 2022 to XX / XX / 2022 due to high ambient carbon dioxide concentration." The control unit 662 also transmits the corrected collection deadline in association with the filter ID to the management server device 610 and the first collector terminal 620 via the communication unit 663. The first collector terminal 620 displays the received corrected collection deadline as shown in the example in FIG. 36. The control unit 611 of the management server device 610 executes the program 612a to change the collection deadline associated with the filter ID to the received corrected collection deadline on the database 12b of the storage unit 612 (overwrite and save). In addition, if the carbon dioxide concentration detected by the concentration sensor 661 is lower than 300 ppm, the control unit 662 corrects it to a time further away from the recovery deadline (for example, XX day of XX year 2022), but this is not shown in the figure.

[0095] According to the configuration of the third embodiment, the collection deadline once determined can be corrected to a more accurate deadline according to the detected carbon dioxide concentration. This makes it possible to shorten the replacement period of the absorbing member 61 when the carbon dioxide concentration is high, for example, and to prevent the absorbing member 61 from being replaced when the carbon dioxide concentration is low when it is not saturated.

[0096] In the above third embodiment, the control unit 662 of the air purifier 660 calculates the corrected collection deadline, but the present disclosure is not limited to this. For example, the first collector terminal 620 may acquire the carbon dioxide concentration from the air purifier 660 through communication, and the first collector terminal 620 may calculate the corrected collection deadline. Also, the management server device 610 may acquire the carbon dioxide concentration from the air purifier 660 through communication, and the management server device 610 may calculate the corrected collection deadline.

[0097] [Variations] As described above, the above-described embodiments are merely examples for implementing the present disclosure. Therefore, the present disclosure is not limited to the above-described embodiments, and can be implemented by appropriately modifying the above-described embodiments without departing from the spirit of the present disclosure.

[0098] (1) In the above first to third embodiments, the absorption unit 80 is disposed in the air purifier 60, but the present disclosure is not limited thereto. That is, the absorption unit 80 may be disposed in a device (carbon dioxide removal device) that does not have an air purification filter. For example, this device may be configured as a refrigeration device such as a vending machine, a dehumidifier, a humidifier, a ventilation device, and an air conditioning device such as an air conditioner. In addition, the carbon dioxide removal device is not limited to an air conditioning device, and may be configured as a cooking device such as a boiler, an incinerator, or a gas range, a processing machine, a thermal power generator, a wind power generator, a geothermal power generator, a solar power generator, or other machinery, or may be a device in which a filter and a carbon dioxide sensor are attached to the air intake or air duct of a moving body such as a vending machine, a refrigerator, an automobile, a motorcycle, or a train, or may be a device in which a carbon dioxide removal device is attached to a utility pole, a mailbox, a gas meter, a water meter, furniture, a clock, lighting, a wall, a ceiling, a floor, or the like. For example, if the carbon dioxide removal device is provided in a thermal power generator, carbon dioxide can be efficiently collected. Similarly, by configuring the carbon dioxide removal device, including other generators, as a generator (placing the carbon dioxide removal device inside the generator), it becomes possible for the generator to provide the electricity required when the carbon dioxide removal device is operating.

[0099] (2) In the above first to third embodiments, when the absorption unit 80 is arranged in the air purifier 60, the air volume information is read from the device information storage unit 63. However, the present disclosure is not limited to this example. That is, even when the absorption unit 80 is arranged in the air purifier 60, the predicted time may be determined as the collection deadline.

[0100] (3) In the above first to third embodiments, the two-dimensional code 61a is arranged on the side surface 81d of the absorption unit 80, but the present disclosure is not limited to this example. That is, the two-dimensional code 61a may be arranged on the front surface 81b or the back surface 81c of the absorption unit 80, the two-dimensional code 61a may be arranged on the inner surface of the packaging body 61b, or the two-dimensional code 61a may be arranged on a medium (paper or card) arranged between the absorption unit 80 and the packaging body 61b (configured as a separate member from the absorption unit 80 within the packaging body 61b).

[0101] (4) In the above first to third embodiments, as shown in Fig. 2, the cross section of the absorption unit 80 is formed into a rectangle (a rectangular parallelepiped as a whole), but the present disclosure is not limited to this example. In other words, the cross section of the absorption unit 80 may be a circle, an ellipse, an oval, a polygon, a triangle, or the like. In addition, the overall shape may be columnar, cylindrical, or conical.

[0102] (5) In the above first to third embodiments, the collection deadline is displayed on the display unit 23, but the present disclosure is not limited to this example. The collection deadline may be output as audio.

[0103] (6) The configurations of the first to third embodiments may further include a sensor that determines whether or not the color of the absorbing member 61 has become the color of a saturated absorbing member 61. In this case, the system may be configured so that, when the color of the absorbing member 61 has become the color of a saturated absorbing member 61, the first collector terminal or the air purifier notifies the user that the absorbing member 61 is saturated.

[0104] (7) In the above first to third embodiments, the packaging body 61b is formed into a bag shape using a film, but the present disclosure is not limited to this. For example, the packaging body 61b may be formed into a box shape using a combination of metal or resin plate members, or may be formed into a cylindrical shape using glass or plastic.

[0105] (8) In the above first embodiment, an example in which the first collector terminal determines the collection deadline has been described, but the present disclosure is not limited thereto. That is, even if the filter ID, the absorbable amount, and the predicted time are stored in the two-dimensional code as in the above first embodiment, the management server device may acquire air volume information from the first collector terminal and determine the collection deadline based on the predicted time, the air volume information (coefficient), and the current date and time as in the above second embodiment. That is, the first collector terminal transmits the read predicted time and air volume information to the management server device in association with the user ID. Then, the management server device receives the air volume information and the predicted time, and reads out the coefficient corresponding to the air volume as in the example shown in FIG. 15. Then, the management server device determines the collection deadline based on the predicted time, the coefficient, and the current date and time, and transmits the determined collection deadline to the first collector terminal. The first collector terminal displays the received collection deadline on the display unit as in the example shown in FIG. 14.

[0106] (9) In the above first to third embodiments, when the information on the air volume is read, a coefficient corresponding to the information on the air volume is read, and the date and time when the number of days obtained by multiplying the coefficient by the predicted time from the current date and time has elapsed is determined as the collection deadline. However, the present disclosure is not limited to this. For example, as in a modified example of the carbon dioxide collection amount management system shown in FIG. 32, the collection deadline may be determined without using a multiplier. For example, the predicted time and the air volume may be stored in the application program of the first collector terminal or the database of the management server device in a state associated with the number of days until the collection deadline, as shown in FIG. 37. This "number of days until the collection deadline" is, for example, the number of days required for the absorbing member to become saturated in a state in which an absorption filter is placed in an air purifier, which is determined by experiment. Then, the first collector terminal or the management server device reads the number of days until the collection deadline based on the predicted time and the air volume, and determines the date and time when the current date and time have elapsed from the date and time until the read collection deadline as the collection deadline.

[0107] (10) In the above first to third embodiments, an example is shown in which the storage and reuse time is determined as the time when a predicted time has elapsed with respect to the collection deadline, and an example is shown in which the storage and reuse time is determined as the time when a period twice the predicted time has elapsed from the current date and time (date and time when the two-dimensional code 61a is read) when the absorption unit 80 is not placed in the air purifier 60, but the present disclosure is not limited to this. For example, information on the storage and reuse time may be stored in advance in the two-dimensional code 761a. In this case, the storage and reuse time can be read by reading the two-dimensional code 761a as in the first collector terminal 720 according to the third modified example shown in FIG. 38. The read storage and reuse time is transmitted from the first collector terminal 720 to the management server device and stored in the management server device in a state associated with the filter ID.

[0108] (11) In the above first to third embodiments, the storage and reuse time is determined, and the absorbent member is stored or reused after the storage and reuse time, but the present disclosure is not limited thereto. For example, the storer or reuser may determine the degree of saturation of the absorbent member without using the storage and reuse time, and store or reuse the absorbent member when the determined degree of saturation is equal to or greater than a desired value. For example, the storer or reuser may measure the weight of the absorbent member, and store or reuse the absorbent member when the measured weight of the absorbent member is equal to or greater than a desired weight. In addition, the storer or reuser may measure the carbon dioxide content in the absorbent member, and store or reuse the absorbent member when the measured content is equal to or greater than a desired content. The "measurement of the content" can be realized, for example, by using a fluorescent X-ray inspection device. The "measurement of the content" may be performed on only a part (sample) of the absorbent member.

[0109] The above-mentioned configuration can be explained as follows.

[0110] A carbon dioxide recovery amount management system according to a first configuration is a carbon dioxide recovery amount management system equipped with a server device that stores the amount of carbon dioxide recovered by a user, and includes an absorption member that absorbs carbon dioxide in the air, a packaging body in which the absorption member is arranged and which is sealed so that the absorption member does not come into contact with outside air, and a first information terminal including an information storage unit arranged within the packaging body, the information storage unit storing an absorbable amount, which is the amount of carbon dioxide that the absorption member can absorb, a reading unit that reads the absorbable amount from the information storage unit, and a transmission unit that transmits the absorbable amount read by the reading unit to the server device in a state in which it is associated with the identification information of the first user, wherein the information storage unit is arranged in a position that cannot be read by the reading unit when the packaging body is sealed, and in a position that can be read by the reading unit when the packaging body is opened, and the server device stores the absorbable amount received from the first information terminal in a database as the amount of carbon dioxide recovered by the first user (first configuration).

[0111] According to the first configuration, the absorbing member is sealed by the packaging body so that it does not come into contact with the outside air, and therefore, the absorption of carbon dioxide by the absorbing member is prevented until it reaches the user. As a result, the absorbable amount received from the first information terminal can be regarded as the recovered amount of carbon dioxide absorbed after the entire amount reaches the user. As a result, it is possible to prevent the recovered amount of carbon dioxide stored in the server device from being fraudulently larger than the amount of carbon dioxide that the user actually caused the absorbing member to absorb. In addition, the information storage unit is disposed in a position that cannot be read by the reading unit when the packaging body is sealed, and in a position that can be read by the reading unit when the packaging body is opened, so that it is possible to prevent the absorbable amount from being fraudulently read from the information storage unit when the packaging body is sealed (when the absorbing member does not absorb carbon dioxide). As a result, it is possible to prevent information that has been fraudulently read from the information storage unit from being transmitted to the server device without the user causing the absorbing member to absorb carbon dioxide. As a result, it is possible to prevent the recovered amount of carbon dioxide from being stored as a fraudulent value.

[0112] In the first configuration, the information storage unit may further store a predicted time until the absorbing member becomes saturated. The reading unit may be configured to read the predicted time from the information storage unit. Either the first information terminal or the server device may further include a deadline determination unit that determines a deadline for carbon dioxide capture based on the predicted time and the current date and time. The first information terminal may further include an alert unit that alerts the user of the carbon dioxide capture deadline determined by the deadline determination unit (second configuration).

[0113] According to the second configuration, the user can be notified of the time limit (recovery time limit) until which carbon dioxide can be recovered by the absorbing member. This allows the user to replace the absorbing member immediately after it becomes saturated by replacing it according to the recovery time limit, and carbon dioxide can be efficiently recovered.

[0114] In a second configuration, the carbon dioxide capture amount management system may further include a carbon dioxide capture device in which the absorbing member removed from the packaging is mounted, the carbon dioxide capture device including a fan for ventilating the absorbing member at a predetermined air volume, and an apparatus information storage unit in which information on the air volume is stored. The reading unit may be configured to read the information on the air volume from the apparatus information storage unit. When the information on the air volume is read by the reading unit, the deadline determination unit may be configured to determine a deadline for carbon dioxide capture based on the predicted time, the information on the air volume, and the current date and time (third configuration).

[0115] According to the third configuration, the carbon dioxide capture device can forcibly ventilate the absorbing member, thereby improving the speed at which carbon dioxide is captured. Even if the speed at which carbon dioxide is captured is improved, the deadline for capturing carbon dioxide can be appropriately determined based on the air volume information.

[0116] In the second or third configuration, the carbon dioxide recovery amount management system may further include a concentration detection unit that detects the carbon dioxide concentration in the air before it passes through the absorption member, and a deadline correction unit that changes the recovery deadline determined by the deadline determination unit based on the carbon dioxide concentration (fourth configuration).

[0117] According to the fourth configuration, the collection deadline once determined can be corrected to a more accurate deadline according to the detected carbon dioxide concentration. This makes it possible to shorten the replacement period of the absorbing member when the carbon dioxide concentration is high, and to prevent the replacement of an absorbing member that is not saturated when the carbon dioxide concentration is low.

[0118] In any one of the second to fourth configurations, the information storage unit may further store identification information of the absorbing member. The reading unit may be configured to read the identification information of the absorbing member from the information storage unit. The transmission unit may be configured to transmit the absorbable amount and the identification information of the absorbing member read by the reading unit to the server device in a state associated with the identification information of the first user. The server device may be configured to store the absorbable amount and the identification information of the absorbing member received from the first information terminal in a database in a state associated with the identification information of the first user. The carbon dioxide capture amount management system may further include a second information terminal that reads the absorbable amount and the identification information of the absorbing member from the information storage unit and transmits the read absorbable amount and the identification information of the absorbing member to the server device in a state associated with the identification information of a second user who takes over the unsaturated absorbing member from the first user. The server device may be configured to store in the database as the amount of carbon dioxide recovered for the second user the amount of carbon dioxide absorbed by the absorption member from the time of receipt of the absorption amount associated with the identification information of the second user and the identification information of the absorption member prior to the carbon dioxide recovery deadline (fifth configuration).

[0119] According to the fifth configuration, even when an unsaturated absorbing member is taken from a first user to a second user, the amount of carbon dioxide recovered by the second user can be stored in the database.

[0120] In the fifth configuration, the server device may be configured to perform a process of subtracting the amount of carbon dioxide recovered by the second user from the amount of carbon dioxide recovered by the first user in the database when the amount of carbon dioxide recovered by the second user is stored in the database (sixth configuration).

[0121] According to the sixth aspect, the amount of carbon dioxide recovered by the second user is It is possible to prevent the amount of carbon dioxide collected by the first user from being stored not only as the amount of carbon dioxide collected by the second user but also as the amount of carbon dioxide collected by the first user (double storage). As a result, the amount of carbon dioxide absorbed by the absorbing member by the first user (collected amount) can be appropriately stored.

[0122] In any one of the second to sixth configurations, either the first information terminal or the server device may further include a storage and reuse time determination unit that determines a storage and reuse time that is a time to store the absorbing member or a time to reuse the absorbing member, the storage and reuse time being a time that is later than the collection deadline, based on the predicted time and the current date and time. The carbon dioxide recovery amount management system may further include a storage and reuse time notification unit that notifies of the storage and reuse time (seventh configuration).

[0123] According to the seventh aspect, even if the absorbent member collected at the collection deadline is not actually saturated (unsaturated), if the absorbent member is stored or reused after the storage and reuse time, which is a time after the collection deadline, it is possible to prevent the unsaturated absorbent member from being stored or reused. "Reuse" includes, for example, manufacturing another article using the collected absorbent member as a material.

[0124] In any one of the first to seventh configurations, the carbon dioxide capture amount management system may further include a case portion disposed inside the packaging body and housing the absorbing member. The case portion may include a first surface having an air hole for ventilating the inside of the case portion when the packaging body is opened, and a second surface having no air hole. The information storage portion may be disposed on the second surface (eighth configuration).

[0125] According to the eighth configuration, the information storage section does not impede ventilation, so that it is possible to suppress a decrease in efficiency of carbon dioxide absorption by the absorbing member.

[0126] A carbon dioxide recovery amount management system according to a ninth configuration is a carbon dioxide recovery amount management system including a server device that stores the amount of carbon dioxide recovered by a user, the carbon dioxide recovery amount management system including an absorbing member that absorbs carbon dioxide in the air, a packaging body in which the absorbing member is disposed, the packaging body being sealed so that the absorbing member does not come into contact with outside air, an information storage unit disposed within the packaging body, the information storage unit storing identification information of the absorbing member, a reading unit that reads the identification information of the absorbing member from the information storage unit, and a first user identification information that is associated with the identification information of the first user and transmits the identification information of the absorbing member read by the reading unit to the server device. The ninth configuration further comprises a first information terminal including a transmitting unit that receives information from the first information terminal and a transmitting unit that receives information from the first information terminal, and the information storage unit is positioned in a position that cannot be read by the reading unit when the packaging body is sealed, and is positioned in a position that can be read by the reading unit when the packaging body is opened.The server device refers to an absorbable amount database in which the identification information of the absorbent member is associated with an absorbable amount, which is the amount of carbon dioxide that the absorbent member can absorb, and reads out the absorbable amount associated with the identification information of the absorbent member received from the first information terminal, and stores the read-out absorbable amount in the database as the amount of carbon dioxide recovered by the first user (ninth configuration).

[0127] According to the ninth configuration, it is possible to prevent the amount of recovered carbon dioxide from being stored as an incorrect value.

[0128] In a ninth configuration, the absorbable amount database may store identification information of the absorbing member in a state associated with the absorbable amount and a predicted time until the absorbing member becomes saturated. The server device is configured to refer to the absorbable amount database, read out the absorbable amount and the predicted time associated with the identification information of the absorbing member received from the first information terminal, and store the read absorbable amount in the database as the amount of carbon dioxide recovered by the first user. Either the first information terminal or the server device may further include a deadline determination unit that determines a deadline for carbon dioxide capture based on the read-out predicted time and the current date and time. The first information terminal may further include a notification unit that notifies the carbon dioxide capture deadline determined by the deadline determination unit (tenth configuration).

[0129] According to the tenth aspect, the user can be notified of the time limit (recovery time limit) until which carbon dioxide can be recovered by the absorbing member. This allows the user to replace the absorbing member immediately after it becomes saturated by replacing the absorbing member according to the recovery time limit, and allows carbon dioxide to be efficiently recovered. [Explanation of symbols]

[0130] 10,210...management server device, 11,211...control unit, 12,212...storage unit, 12a,212a...program, 12b,212b...database, 13...communication unit, 20,120...first collector terminal, 21...control unit, 23...display unit, 24...communication unit, 25...reading unit, 26...storage unit, 26a...application program, 60...air purifier, 61...absorbent member, 61a,261b...two-dimensional code, 6 1b...packaging body, 62...control unit, 63...device information storage unit, 64...notification unit, 65...fan, 67...reading unit, 68...housing, 80...absorption unit, 81...case unit, 81a...ventilation hole, 81b...front, 81c...rear, 81d...side, 100,200...carbon dioxide recovery amount management system, 120,320...second recovery person terminal, 121...control unit, 123...display unit, 124...communication unit, 125...reading unit, 126...storage unit

Claims

1. A server device that communicates with an information terminal, The server device includes: acquiring from the information terminal location information of the information terminal, user identification information, and identification information of the absorbing member that absorbs carbon dioxide in the air and that is read by the information terminal from an information storage unit of the absorbing member; storing the identification information of the absorbing member acquired from the information terminal in a database in a state associated with the identification information of the user and the position information; the absorbent member and the information storage unit are disposed in a sealed package so that the absorbent member is not exposed to outside air; the information storage unit is disposed at a position that cannot be read by the information terminal when the package is sealed, and at a position that can be read by the information terminal when the package is opened, The server device refers to an absorption amount database in which the identification information of an absorption member is associated with an absorbable amount, which is the amount of carbon dioxide that the absorption member can absorb, reads out the absorbable amount associated with the identification information of the absorption member received from the information terminal, and stores the read-out absorbable amount in the database as the amount of carbon dioxide recovered by the user.

2. A server device that communicates with an information terminal, The server device includes: From the information terminal, obtain the identification information of the absorbent member read by the information terminal from an information storage unit in which the identification information of the absorbent member that absorbs carbon dioxide in the air and the identification information of the absorbent member that is read by the information terminal, and the date and time when the identification information of the absorbent member is read by the information terminal; storing the identification information of the absorbing member acquired from the information terminal in a database in a state associated with the identification information of the user and the date and time; the absorbent member and the information storage unit are disposed in a sealed package so that the absorbent member is not exposed to outside air; the information storage unit is disposed at a position that cannot be read by the information terminal when the package is sealed, and at a position that can be read by the information terminal when the package is opened, The server device refers to an absorption amount database in which the identification information of an absorption member is associated with an absorbable amount, which is the amount of carbon dioxide that the absorption member can absorb, reads out the absorbable amount associated with the identification information of the absorption member received from the information terminal, and stores the read-out absorbable amount in the database as the amount of carbon dioxide recovered by the user.

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