JP2011191074A - Metering system and packaging system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a metering system which can accurately evaluate the emission of a greenhouse gas from merchandise until shipment from a manufacturing factory, and notify it to consumers. <P>SOLUTION: The metering system includes a metering part 10; a calculating part 80; and a printing part. The metering part 10 weighs a content of the merchandise. The calculating part 80 calculates a content emission based on the weight of the content, and calculates a merchandise emission including the content emission. The content emission refers to the emission of a greenhouse gas from the content. The merchandise emission refers to the emission of a greenhouse gas from the merchandise. The printing part prints the merchandise emission on a label area of the merchandise. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a weighing system and a packaging system for printing greenhouse gas emissions of a product in a product label area.

  2. Description of the Related Art Conventionally, in a product manufacturing factory, a weighing device (for example, Japanese Patent Application Laid-Open No. 2005-2017787) and a packaging device (for example, Japanese Patent Application Laid-Open No. 2005-201787) that measures the weight of contents and packages an appropriate amount of contents are packaged (for example, Japanese Patent Application Laid-Open No. 2008-273540) is known.

  By the way, in recent years, efforts have been made to reduce greenhouse gas emissions on a global scale in order to cope with the problem of global warming. As part of this, activities are underway to “visualize” the amount of greenhouse gases emitted throughout the life of products from manufacturing to disposal as a “carbon footprint”.

  However, at present, there is no established method for appropriately visualizing and presenting to consumers the greenhouse gas emissions of products before they are shipped from the manufacturing plant.

  An object of the present invention is to provide a weighing system and a packaging system that can accurately evaluate and convey to consumers a greenhouse gas emission amount of a product until it is shipped from a manufacturing factory.

  A weighing system according to a first aspect includes a weighing unit, a calculating unit, and a printing unit. The measuring unit measures the weight of the contents of the product. The calculation unit calculates a content discharge amount based on the weight of the content, and calculates a product discharge amount including the content discharge amount. Content emissions are the greenhouse gas emissions of content. Product emissions are the greenhouse gas emissions of products. The printing unit prints the product discharge amount in the product label area.

  Here, the greenhouse gas emission amount of the contents is calculated based on the actually measured value of the weight of the contents, and is added as the greenhouse gas emission amount of the product. In addition, the amount of greenhouse gas emissions from the product is printed in the label area of the product. Therefore, it is possible to accurately evaluate the amount of greenhouse gas emissions from the product until it is shipped from the manufacturing factory, and to inform the consumer.

  The packaging system which concerns on a 2nd viewpoint is provided with a packaging part, a calculation part, and a printing part. The packaging unit wraps the contents of the product with a packaging material. The calculation unit calculates a product discharge amount. Product emissions are the greenhouse gas emissions of products. The product discharge amount includes the content discharge amount and the packaging material discharge amount. Content emissions are the greenhouse gas emissions of content. The amount of packaging material discharged is the amount of greenhouse gas emissions from the packaging material. The printing unit prints the product discharge amount in the product label area.

  Here, the greenhouse gas emissions of the contents and the greenhouse gas emissions of the packaging are taken into account as the greenhouse gas emissions of the product. In addition, the amount of greenhouse gas emissions from the product is printed in the label area of the product. Therefore, it is possible to accurately evaluate the amount of greenhouse gas emissions from the product until it is shipped from the manufacturing factory, and to inform the consumer.

  The packaging system which concerns on a 3rd viewpoint is a packaging system which concerns on a 2nd viewpoint, Comprising: A measurement part is further provided. The measuring unit measures the weight of the contents. The calculation unit calculates the content discharge amount based on the weight of the content.

  Here, the amount of greenhouse gas emissions of the contents is calculated based on the measured value of the weight of the contents. Therefore, it is possible to more accurately evaluate the amount of greenhouse gas emissions of products.

  The packaging system which concerns on a 4th viewpoint is a packaging system which concerns on a 2nd or 3rd viewpoint, Comprising: A calculation part calculates the amount of greenhouse gas emissions converted from the electric power consumption in a packaging part, and the amount of goods discharged Included.

  Here, the amount of power used during the packaging process is taken into account as the amount of greenhouse gas emissions from the product. Therefore, it is possible to more accurately evaluate the amount of greenhouse gas emissions of products.

  A packaging system according to a fifth aspect is a packaging system according to any one of the second to fourth aspects, in which the packaging unit fills a bag formed of the packaging material with gas. The calculation unit includes the amount of greenhouse gas emissions converted from the amount of gas used in the product emissions.

  Here, the amount of gas used during the packaging process is taken into account as the amount of greenhouse gas emissions from the product. Therefore, it is possible to more accurately evaluate the amount of greenhouse gas emissions of products.

  A packaging system according to a sixth aspect is the packaging system according to any one of the second to fifth aspects, and further includes a processing unit. The processing unit processes the product. The calculation unit includes a processing emission amount, which is a greenhouse gas emission amount during processing in the processing unit, in the product emission amount.

  Here, greenhouse gas emissions during processing other than packaging are taken into account as greenhouse gas emissions of products. Therefore, it is possible to more accurately evaluate the amount of greenhouse gas emissions of products.

  The packaging system which concerns on a 7th viewpoint is a packaging system which concerns on a 6th viewpoint, Comprising: The calculation part processes the discharge | emission amount of the greenhouse gas converted from the electric power consumption at the time of the processing in a process part. Include in quantity.

  Here, the amount of power used during processing other than packaging is taken into account as the amount of greenhouse gas emissions from the product. Therefore, it is possible to more accurately evaluate the amount of greenhouse gas emissions of products.

  The packaging system which concerns on an 8th viewpoint is a packaging system which concerns on the 6th or 7th viewpoint, Comprising: A process part uses water or oil at the time of a process. The calculation unit includes the emission amount of greenhouse gas converted from the amount of water used or the amount of oil used during processing in the processing unit in the processing emission amount.

  Here, the water discharge amount or oil discharge amount at the time of processing other than the packaging process is taken into account as the greenhouse gas discharge amount of the product. Therefore, it is possible to more accurately evaluate the amount of greenhouse gas emissions of products.

  According to the present invention, the greenhouse gas emission amount of the contents is calculated based on the actually measured value of the weight of the contents, and is added as the greenhouse gas emission amount of the commodity. Alternatively, the greenhouse gas emissions of the contents and the greenhouse gas emissions of the packaging material are taken into account as the greenhouse gas emissions of the product. In addition, the amount of greenhouse gas emissions from the product is printed in the label area of the product. Therefore, it is possible to accurately evaluate the amount of greenhouse gas emissions from the product until it is shipped from the manufacturing factory, and to inform the consumer.

The figure which shows the mode of the manufacturing factory of a potato chip. The figure which shows the structure of a controller. The figure which shows the structure of a combination weighing machine. The figure which shows the structure of a bag making packaging machine. The figure which shows the structure of a seal checker, a case packer, and a weight checker.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(1) Manufacturing Factory FIG. 1 shows a state of a potato chip manufacturing factory 100. The manufacturing plant 100 includes a crate damper 1, a peeler 2, an inspection table 3, a slicer 4, a blanker 5, a fryer 6, a seasoning device 7, a fast bag 8, a combination weighing machine 10, a bag making and packaging machine 20, a seal checker 30, and a case. A packer 40 and a weight checker 50 are sequentially connected and installed.

  Potato chips, which are raw materials for potato chips, are brought into the manufacturing plant 100 in a crate. The crate damper 1 receives the crate with the potato in the state, takes out the potato from the crate, and conveys it to the peeler 2. The crate damper 1 removes mud and pebbles adhering to the potato while washing the potato with water.

  Peeler 2 peels the potatoes while washing them with water. The peeled potatoes are transported to the inspection table 3.

  In the inspection table 3, the state of the potato is confirmed manually, and if there is an abnormal potato mixed, it is removed from the production line. The potatoes that have left the inspection table 3 are transported to the slicer 4.

  The slicer 4 slices the peeled potatoes to a certain thickness while washing the starch on the surface with water. The potato after slicing is conveyed to the blanker 5.

  The blanker 5 conveys the potato after slicing to the fryer 6 while rinsing the sugar on the surface with water.

  The fryer 6 has an oil tank for frying the potato after slicing. The oil in the tank will be reduced by the amount absorbed by the evaporation and potatoes, but it will be added from time to time by automatic valve control from another tank containing refilling oil. Therefore, the amount of oil in the tank is kept within a certain range. The fried potatoes are conveyed to the seasoning device 7.

  The seasoning device 7 seasons the potatoes after frying with seasoning powder. The seasoning device 7 has a tank of seasoning powder, and an appropriate amount of seasoning powder is added to the potato after fried by automatic valve control. Therefore, the taste of potato chips is kept at a constant quality. The potato chips exiting the seasoning device 7 are conveyed to the fast bag 8.

  The fast bag 8 conveys the potato chips to above the combination weighing machine 10. The potato chip falls from the end of the fast bag 8 and is put into the combination weighing machine 10.

  The combination weighing machine 10 continuously receives potato chips, performs combination weighing of the potato chips, and supplies the potato chips to the bag making and packaging machine 20 by a predetermined weight.

  The bag making and packaging machine 20 packs the potato chips by a predetermined weight. A bag (product) filled with a potato chip having a predetermined weight is conveyed to the seal checker 30.

  The seal checker 30 inspects the appropriateness of the seal state of the product bag. The product exiting the seal checker 30 is conveyed to a sorting mechanism (not shown). According to the inspection result by the seal checker 30, the distribution mechanism distributes non-defective products to regular line conveyors, and distributes defective products to defective product collection conveyors (not shown). A case packer 40 is disposed at the end of the regular line conveyor.

  The case packer 40 packs a predetermined number of products in a cardboard box, seals the packed cardboard box, and conveys the sealed cardboard box to the weight checker 50.

  The weight checker 50 inspects the appropriateness of the weight of the cardboard box after sealing. Cardboard boxes that pass weight inspection are eligible for shipment.

(2) Controller The manufacturing factory 100 is provided with a controller 80 that manages the operations of the devices 1 to 8, 10, 20, 30, 40, and 50 in an integrated manner.

  As shown in FIG. 2, the controller 80 is a general-purpose computer having a communication unit 81, a control unit 82, an input unit 83, an output unit 84, and a storage unit 85.

  The communication unit 81 is an interface that connects the controller 80 to a network. The control unit 82 includes a CPU, a ROM, a RAM, and the like, and controls the operation of the controller 80 by reading and executing a program in the storage unit 85. The input unit 83 includes a mouse and a keyboard. The output unit 84 includes a liquid crystal display and a speaker. The storage unit 85 includes a hard disk or the like, and stores a product master database 85a in addition to a program for controlling the operation of the controller 80.

  The controller 80 includes a control unit 1A for the crate damper 1, a control unit 2A for the peeler 2, a control unit 3A for the inspection table 3, a control unit 4A for the slicer 4, a control unit 5A for the blanker 5, and a control unit for the flyer 6 via the network. 6A, control unit 7A of seasoning device 7, control unit 8A of fast back 8, control unit 10A of combination weighing machine 10, control unit 20A of bag making and packaging machine 20, control unit 30A of seal checker 30, control of case packer 40 It is connected to the control unit 50A of the unit 40A and the weight checker 50, and monitors and controls the operations of the devices 1-8, 10, 20, 30, 40, 50.

(3) Combination Weighing Machine As shown in FIG. 3, the combination weighing machine 10 is disposed below the distribution table 12, a plurality of supply feeders 13 arranged in a circle around the distribution table 12, and the supply feeder 13. A plurality of pool hoppers 14, a plurality of weighing hoppers 15 disposed below the pool hoppers 14, a plurality of booster hoppers 16 disposed below the weighing hoppers 15, and a booster hopper 16 below A collective discharge chute 17 arranged, a plurality of load cells 19 for weighing the weight of the potato chips stored in the weighing hopper 15, and a control unit 10 </ b> A for controlling the operation of the combination weighing machine 10 are provided. The same number of supply feeders 13, pool hoppers 14, weighing hoppers 15, booster hoppers 16 and load cells 19 exist.

  The dispersion table 12 is rotated by a rotating device (not shown). The potato chips dropped from the fastback 8 onto the dispersion table 12 are dispersed and dropped onto the supply feeder 13 by the rotation of the dispersion table 12.

  The supply feeder 13 is vibrated by an electromagnetic vibration device (not shown). The supply feeder 13 receives the potato chips from the dispersion table 12, moves the received potato chips outward by vibration, and drops them into the pool hopper.

  The pool hopper 14 temporarily pools the potato chips falling from the supply feeder 13. The pool hopper 14 is provided with a gate 14a for opening and closing the lower discharge port. When the gate 14a is opened, the potato chips in the pool hopper 14 fall into the weighing hopper 15 on the downstream side.

  The weighing hopper 15 is disposed directly below the gate 14a, and temporarily stores potato chips falling from the pool hopper 14. The weighing hopper 15 is provided with a first gate 15a and a second gate 15b for opening and closing a lower discharge port. When the first gate 15a is opened, the potato chips in the weighing hopper 15 fall into the collective discharge chute 17 on the downstream side. When the second gate 15b is opened, the potato chips in the weighing hopper 15 fall into the booster hopper 16 on the downstream side.

  The load cell 19 measures the weight of the potato chip in the weighing hopper 15.

  The booster hopper 16 is disposed directly below the second gate 15b, and temporarily stores the potato chips after measurement falling from the measurement hopper 15. The booster hopper 16 is provided with a gate 16a for opening and closing the lower discharge port. When the gate 16 a opens, the potato chips in the booster hopper 16 fall into the collective discharge chute 17.

  The collective discharge chute 17 guides the potato chips falling from the weighing hopper 15 or the booster hopper 16 to the bag making and packaging machine 20.

  The control unit 10 </ b> A stores the current weight value of the potato chip in the weighing hopper 15 in association with the hopper 15, and stores the current weight value of the potato chip in the booster hopper 16 in association with the hopper 16. Based on the weight values of the potato chips associated with the individual weighing hoppers 15 and the individual booster hoppers 16, a combination calculation is performed to select several hoppers 15 and 16. The combination calculation means that the weight values of the potato chips in the individual hoppers 15 and 16 are added together in various combinations, and a combination of the hoppers 15 and 16 is derived so that the combined value falls within a predetermined range. Say.

  When several hoppers 15 and 16 are selected as a result of the combination calculation, the gates 15a and 16a for opening and closing the discharge ports of the selected hoppers 15 and 16 are opened, and the potato chips in the hoppers 15 and 16 are assembled. It is discharged into the discharge chute 17. Then, new potato chips are replenished in the empty hoppers 15 and 16 sequentially from the hoppers 14 and 15 thereabove.

  Thus, the potato chips having a predetermined weight are collected in the collective discharge chute 17. The potato chips gathered while sliding down in the collective discharge chute 17 are supplied to the bag making and packaging machine 20 disposed just below the discharge port of the collective discharge chute 17.

(4) Bag Making and Packaging Machine As shown in FIG. 4, the bag making and packaging machine 20 forms a film supply mechanism (not shown) having a film roll and a sheet-like film F fed out from the film supply mechanism into a cylindrical shape. The forming mechanism 22, the transport mechanism 23 for transporting the film F (hereinafter referred to as the tubular film Fc) formed in a cylindrical shape by the forming mechanism 22, and the overlapping portion of the tubular film Fc in the vertical direction. A vertical sealing mechanism 24, a horizontal sealing mechanism 25 that horizontally seals the upper and lower ends of the bag of the tubular film Fc, an air sealing mechanism 26 that seals air in the bag, and an inert gas sealed in the bag An inert gas sealing mechanism 27; a printing mechanism 28 that prints label information on a portion of the sheet-like film F bag, and a control unit 20A that controls the operation of the bag making and packaging machine 20; It has.

  The forming mechanism 22 includes a tube 22a and a former 22b. The tube 22a is a cylindrical member, extends in the vertical direction, has upper and lower ends opened, and is fixed to the former 22b. A potato chip falling from the combination weighing machine 10 by a predetermined weight is put into the opening at the upper end of the tube 22a. The former 22b is disposed so as to surround the upper end of the tube 22a. The sheet-like film F sent from the film supply mechanism is wound around the outer surface of the tube 22a while passing through the gap between the former 22b and the tube 22a, and formed into a cylindrical shape.

  The transport mechanism 23 has a pair of pull-down belts 23a and 23b. The pull-down belts 23a and 23b are arranged symmetrically with respect to the tube 22a. The pull-down belts 23a and 23b are in contact with the tubular film Fc wound around the tube 22a, and convey the tubular film Fc downward while adsorbing the tubular film Fc.

  The vertical seal mechanism 24 is disposed so as to extend in the vertical direction along the tube 22a, and has a heater and a seal surface heated by the heater. The vertical sealing mechanism 24 heat-seals the overlapping portion extending in the vertical direction of the tubular film Fc wound around the tube 22a against the outer surface of the tube 22a with a constant pressure by the sealing surface.

  The horizontal sealing mechanism 25 is disposed below the tube 22a and has a pair of sealing jaws 25a and 25a. Each of the sealing jaws 25a and 25a has a heater and a sealing surface heated by the heater. The sealing jaws 25a and 25a move in a horizontal direction so as to move toward and away from each other while turning at an appropriate timing, and perform an operation of sandwiching the tubular film Fc between the sealing surfaces. The portion sandwiched between the sealing surfaces of the tubular film Fc is heat-sealed in the lateral direction. At the same time, the laterally sealed portion is cut in the horizontal direction by a cutter (not shown) built in one of the sealing jaws 25a, and the preceding bag and the following bag are separated. Further, at the timing of the horizontal sealing, the potato chip lump falls from the combination weighing machine 10 through the tube 22a.

  The air sealing mechanism 26 is disposed in the vicinity of the lateral seal mechanism 25. The air enclosing mechanism 26 encloses air in the tubular film Fc immediately before the tubular film Fc is laterally sealed so that the bag sealed by the lateral seal has a certain bulge.

  The inert gas sealing mechanism 27 is disposed in the vicinity of the lateral seal mechanism 25. The inert gas sealing mechanism 27 is provided with an inert gas (into the tubular film Fc immediately before the tubular film Fc is horizontally sealed in order to prevent deterioration of the potato chip in the bag sealed by the lateral seal. Nitrogen gas).

  The printing mechanism 28 is disposed between the film supply mechanism and the forming mechanism 22 in the vicinity of the place where the film F is transported in a plane, and has a print head 28a. The print head 28a reciprocates between a basic position that maintains a certain distance from the film F and a print position that contacts the film F. The print head 28a prints label information on the film F when it is in the print position. The timing of the reciprocating motion of the print head 28a is controlled by the control unit 20A so as to accurately come into contact with the portion of the film F that becomes the label area of the bag when the print head 28a is at the printing position.

(5) Seal Checker As shown in FIG. 5, the seal checker 30 includes a transport conveyor 31, a bag leveling mechanism 32, a thickness detection mechanism 33, and a control unit 30 </ b> A that controls the operation of the seal checker 30. Yes.

  The seal checker 30 pressurizes the product bag conveyed from the bag making and packaging machine 20 in the thickness direction, detects the thickness of the bag at the time of pressurization, and determines whether the bag is sealed based on the thickness. Judging.

  The conveyor 31 connects between the bag making and packaging machine 20 and the case packer 40.

  The bag leveling mechanism 32 has a pressing member 32a. The pressing member 32a pressurizes the bag that is being transported on the transport conveyor 31, flattens the entire bag, and adjusts it to a certain thickness.

  The thickness detection mechanism 33 rotates the pressing member 33a that presses the bag adjusted to a certain thickness by the bag smoothing mechanism 32, the L-shaped parallel link 33b that supports the pressing member 33a, and the parallel link 33b. The servomotor 33c moves the pressing member 33a toward and away from the conveyor 31 and the thickness sensor (not shown) detects the bag thickness according to the angular displacement of the servomotor 33c.

  Control unit 30A determines whether or not the thickness of the bag is within a predetermined range based on the output signal of the thickness sensor. If it is determined that the value is outside the predetermined range, it is determined that there is an air leak due to a bag seal failure or an excess or deficiency in the air filling amount. Send to (not shown). The sorting mechanism sorts defective products to a defective product collection conveyor (not shown) according to a failure signal from the seal checker 30.

(6) Case Packer The case packer 40 includes a stacking mechanism 41, a pusher (not shown), a boxing base 42, a sealing mechanism 43, and a control unit 40A that controls the operation of the case packer 40.

  The stacking mechanism 41 sequentially receives products that have passed the inspection by the seal checker 30, and arranges a predetermined number of products into a group of products.

  The pusher sequentially receives a group of products from the stacking mechanism 41 and pushes them into a cardboard box placed on the boxing table 42. One cardboard box contains a group of products with a predetermined number of steps.

  A cardboard box is set on the boxing table 42 with its opening facing the pusher. The height of the boxing table 42 is switched according to the number of stages of a group of products pushed by the pusher.

  The sealing mechanism 43 seals the cardboard box in a state where the boxing is completed.

(7) Weight Checker The weight checker 50 includes a conveyor 51, a load cell 52, and a control unit 50A that controls the operation of the weight checker 50.

  The conveyor 51 connects between the case packer 40 and a sorting mechanism (not shown).

  The load cell 52 measures the weight of the cardboard box that is being transported on the transport conveyor 51.

  Based on the output signal of load cell 52, control unit 50A determines whether the weight of the cardboard box is within a predetermined range. If it is determined that the value is outside the predetermined range, a failure signal indicating that fact is transmitted to a downstream distribution mechanism (not shown). The sorting mechanism sorts the defective box to a defective box collection conveyor (not shown) according to the defective signal from the weight checker 50.

(8) Printing Process Hereinafter, a printing process for printing information relating to a product (hereinafter referred to as label information) in the label area of the potato chip bag will be described. Label information includes product identification number, price, content (potato chip weight) (g), raw material (potato chip raw material), expiration date, CO ₂ emission (g-CO ₂ e), barcode, etc. Information is included. The CO ₂ emissions of the product, which is amount of CO ₂ emissions before product is shipped from the manufacturing facility 100. The content of the label information is determined by the control unit 82 of the controller 80 on the back side where the devices 1 to 8, 10, 20, 30, 40, and 50 are processing products, and the control unit 20A of the bag making and packaging machine 20 Sent to. The control unit 20A controls the printing mechanism 28 to print the label information received from the control unit 82 on the label area of the bag.

  First, before driving the devices 1 to 8, 10, 20, 30, 40, and 50, the operator operates the input unit 83 of the controller 80 to obtain preset information necessary for determining the label information. Register in the master database 85e. Subsequently, when the operator operates the input unit 83 and orders driving of the devices 1 to 8, 10, 20, 30, 40, and 50, the control unit 82 causes the devices 1 to 8, 10, 20, 30, 40, and 50 to be driven. The label information of each product is determined in real time while referring to the operation history of 50.

  Specific values of items included in the label information are determined as follows.

(8-1) Product Identification Number The control unit 82 assigns individual product identification numbers according to a predetermined rule.

(8-2) Product Price, Contents and Raw Material The control unit 82 reads the product price, content and raw material values registered as preset information in the product master database 85e, and the product price and content respectively. Label information regarding quantity and raw materials. Label information regarding the price, content, and raw materials of the same type of product is the same. Therefore, for the same type of product, when the first product of the same type of product is manufactured, the price, content, and raw material values of the product are read from the product master database 85e. At the time of manufacturing, the price, content and raw material value of the product developed in the RAM are used.

(8-3) Product Expiration Date The control unit 82 reads the value of the product best term registered as preset information in the product master database 85e, adds the best value period to the current date, and adds the value. Is the label information related to the expiration date of the product. The expiration date of the same type of product manufactured on the same day is the same. Therefore, for the same type of product manufactured on the same day, when the first product of the same type of product manufactured on the same day is manufactured, the value of the shelf life of the product is read from the product master database 85e. At the time of manufacturing the second and subsequent products, the value of the shelf life of the product developed in the RAM is used.

(8-4) Product CO ₂ Emission Amount The control unit 82 calculates the CO ₂ emission amount of each product according to the following formulas 1 to 5.

“Product CO ₂ Emissions” = “Potato Chip CO ₂ Emissions” + “Film CO ₂ Emissions” + “Cardboard Box CO ₂ Emissions” + “CO ₂ Emissions in the Previous Stage” + “Production “CO ₂ emissions in bag-wrapping machines” + “CO ₂ emissions in subsequent processes” (Equation 1)
"CO ₂ emissions potato chips" = "CO ₂ emissions potato" + "CO ₂ emissions seasoning powder" (Equation 2)
"CO ₂ emissions potato" = ( "CO ₂ emissions per unit weight of the potato" × "weight of potatoes") / "unit weight of potato" (Expression 3)
"CO ₂ emissions seasoning powder" = ( "CO ₂ emissions per unit weight of the seasoning powder" × "weight of the seasoning powder") / "seasoning unit weight of powder" (Equation 4)
“CO ₂ emissions of film” = (“CO ₂ emissions per unit weight of film” × “weight of film”) / “unit weight of film” (Formula 5)

Preset information is used as “CO ₂ emission amount of cardboard box” in Equation 1.

The “CO ₂ emission amount in the previous stage process” in Equation 1 means the crate damper 1, peeler 2, inspection table 3, slicer 4, blanker 5, fryer 6, seasoning device 7, fast bag 8, and combination weighing machine 10. This is the amount of CO ₂ discharged in the process, and in this embodiment, the sum of values obtained by converting the power consumption, water usage and oil usage in the devices 1 to 8 and 10 into CO ₂ emissions. The CO ₂ emission amount in the previous step is calculated in real time when the devices 1 to 8 and 10 are operated. Specifically, measuring devices (power meter, water meter, oil tank water level meter) for measuring power consumption, water usage and oil usage in the devices 1 to 8 and 10 are changed to the devices 1 to 8 and 10. install. The measurement value of the measuring instrument is transmitted from the control units 1A to 8A and 10A of the devices 1 to 8 and 10 to the control unit 82 of the controller 80. The control unit 82 converts the measured value into the CO ₂ emission amount, and adds the converted values. In addition, real-time power consumption, water usage, and oil usage are the power usage, water usage, and oil usage at the predetermined time intervals (5 minutes, 10 minutes, etc.). Divided by the number of products sold. In addition, immediately after starting the manufacture of the product, the power consumption, water usage, and oil usage in the predetermined time interval (5 minutes, 10 minutes, etc.) immediately before can not be obtained. Estimate and use electricity usage, water usage and oil usage on the day based on water usage and oil usage. Preset information is used as the power consumption, water usage, and oil usage on the previous day.

And "CO ₂ emissions in the bag making and packaging machine 20" of the formula 1, an amount of CO ₂ is discharged in the step of processing in the bag-making packaging machine 20, in this embodiment, the power usage in the bag-making packaging machine 20 The amount, the amount of inert gas sealed in the product bag to prevent deterioration of the potato chip, and the amount of air sealed in the bag to give the product bag a certain bulge into the CO ₂ emission amount Is the total. The amount of power in the bag making and packaging machine 20 is mainly consumed by a heater, a motor, and the like. The CO ₂ emission amount in the bag making and packaging machine 20 is calculated in real time when the bag making and packaging machine 20 operates. Specifically, a measuring instrument (power meter) that measures the amount of power used in the bag making and packaging machine 20 is installed in the bag making and packaging machine 20. Control data indicating the measurement value of the measuring instrument, the amount of inert gas, and the amount of air is transmitted from the control unit 20A of the bag making and packaging machine 20 to the control unit 82 of the controller 80. The control unit 82 converts the measured value, the amount of inert gas, and the amount of air into a CO ₂ emission amount, and adds the converted values. Note that real-time power consumption, inert gas volume, and air volume refer to the power usage volume, inert gas volume, and air volume at the predetermined time interval (5 minutes, 10 minutes, etc.) at the time interval. Divided by the number of products sold. Moreover, immediately after starting the manufacture of the product, the amount of power used, the amount of inert gas, and the amount of air in the predetermined time interval (5 minutes, 10 minutes, etc.) immediately before cannot be obtained. Predict and use the amount of power used, the amount of inert gas and the amount of air from the amount of inert gas and air. Preset information is used as the power consumption, inert gas amount, and air amount of the previous day.

And "CO ₂ emissions in subsequent step" Formula 1, the seal checker 30, a CO ₂ amount discharged in the step of processing in the case packer 40 and weight checker 50, in this embodiment, devices 30, 40, The value obtained by converting the amount of power used at 50 into the amount of CO ₂ emission is added up. The CO ₂ emission amount in the subsequent process is calculated in real time when the devices 30, 40, and 50 are in operation. Specifically, a measuring instrument (power meter) that measures the amount of power used in the devices 30, 40, 50 is installed in the devices 30, 40, 50. The measurement value of the measuring instrument is transmitted from the control units 30A, 40A, 50A of the devices 30, 40, 50 to the control unit 82 of the controller 80. The control unit 82 converts the measured value into the CO ₂ emission amount, and adds the converted values. Note that the real-time power consumption is a value obtained by dividing the power usage in the immediately preceding predetermined time interval (5 minutes, 10 minutes, etc.) by the number of products manufactured in the time interval. Immediately after starting the manufacture of the product, the amount of power used in the previous predetermined time interval (5 minutes, 10 minutes, etc.) cannot be obtained. , Use. Preset information is used as the power consumption of the previous day.

In calculating the “potato CO ₂ emissions” in Equation 3, preset information is substituted into “CO ₂ emissions per unit weight of potatoes” and “unit weight of potatoes”. The value obtained by subtracting the amount of seasoning powder contained in one product from the measured value of the potato chip by the combination weighing machine 10 is substituted for “potato weight”. The measured value of the potato chip by the combination weighing machine 10 is transmitted from the control unit 10A of the combination weighing machine 10 to the control unit 82 of the controller 80. The amount of seasoning powder contained in one product is a value obtained by dividing the amount of seasoning powder used in the immediately preceding predetermined time interval (5 minutes, 10 minutes, etc.) by the number of products manufactured in that time interval. .

In calculating the "CO ₂ emissions seasoning powder" in Equation 4, the "CO ₂ emissions per unit weight of the seasoning powder" and "unit weight of the seasoning powder" is preset information is substituted. In the “weight of seasoning powder”, a value obtained by dividing the amount of seasoning powder used in the immediately preceding predetermined time interval (5 minutes, 10 minutes, etc.) by the number of products manufactured in the time interval is substituted.

In calculating the “CO ₂ emission amount of the film” in Equation 5, preset information is substituted into “CO ₂ emission amount per unit weight of film” and “unit weight of film”. In the “film weight”, a value obtained by dividing the amount of film used in a predetermined time interval (5 minutes, 10 minutes, etc.) immediately before by the number of products manufactured in the time interval is substituted.

(8-5) Barcode The control unit 82 codes each item's identification number, price, content, raw material, expiration date, CO ₂ emission amount, etc. according to a predetermined rule, and creates a barcode. .

(9) Modification (9-1)
The configuration of the device group in the manufacturing factory 100 is not limited to the above. For example, both or one of the X-ray inspection apparatus and the metal inspection apparatus may be added to the downstream side of the bag making and packaging machine 20. In this case, the CO ₂ emissions in the latter step, the inclusion of CO ₂ amount discharged in the step of processing in the X-ray inspection apparatus and the metal testing device (the value obtained by converting the electric power consumption in the CO ₂ emissions, etc.) Is preferred.

(9-2)
Of course, the product manufactured at the manufacturing plant 100 may not be a potato chip. If a product other than potato chips is manufactured, the configuration of the device group in the manufacturing plant 100 may be at least partially different from the above. However, the idea of the present invention is similarly applied to a system in the manufacturing plant 100 that manufactures commodities other than potato chips by appropriately modifying the above-described calculation processing of CO ₂ emissions.

(9-3)
The unit of CO ₂ emissions, can be used _{g-CO 2 e, g-} CO 2, g-CO 2 eq like, any unit.

(9-4)
The present invention can also be applied to a product to which an IC tag is attached. Specifically, an IC tag writer may be installed instead of the printing mechanism 28, and information similar to the label information may be stored in the IC tag of the product.

Further, the product identification number is printed in the product label area, or the product identification number is stored in the product IC tag, and the CO ₂ emission amount of the product calculated by the control unit 82 is associated with the product identification number. You may make it store in arbitrary memory locations. Thus, if accessible terminal to the memory location, freely read the CO ₂ emissions of the product identification number of the product as a key, it can be utilized in various situations. An arbitrary storage location may exist in an external terminal.

(9-5)
The place where the printing mechanism 28 is disposed is not limited to the above. For example, the seal checker 30, the case packer 40 or the weight checker 50, or the conveyor 20, etc. that connects the devices 20, 30, 40, 50 can be arranged.

When the printing mechanism 28 is moved to the downstream side of the above-described embodiment, the value included as the predicted value in the CO ₂ emission amount of the product can be used as the actual measured value instead of the predicted value. For example, in the above-described embodiment, the inert gas amount and the air amount are set as predicted values, but may be measured values for individual commodities.

(9-6)
Seal checker 30 and the weight checker 50 inspection apparatus inspecting the results of such, be configured to include CO ₂ emissions of the product according to the defective products off the shipment of the subject, the CO ₂ emissions of the product according to good Good. For example, a value obtained by dividing the CO ₂ emission amount of defective products in a certain time interval by the number of products manufactured (predicted value) in the next time interval is used as the CO ₂ emission amount of products manufactured in the next time interval. It may be distributed and included.

(9-7)
The CO ₂ emission amount of the potato chip may be calculated based on the target value of the weight of the potato chip per product, instead of calculating based on the actually measured value of the weight of the potato chip.

(9-8)
All or part of the label information content determination processing by the controller 80 may be executed by the control units 10A, 20A, 30A, 40A, 50A and the like.

(9-9)
The "other CO ₂ emissions" to account for CO ₂ emissions of the various factors can be registered as preset information, and the CO ₂ emissions of the various factors to be included in the CO ₂ emissions Product May be.

(9-10)
CO ₂ emissions until the raw material is stock preparation plant 100 (hereinafter, factory stock before CO ₂ emissions), and may be contained in the CO ₂ emissions of the product. The factory stock before CO ₂ emissions, CO ₂ emissions in the course of production raw materials, raw materials, such as CO ₂ emissions during transportation of up to come to stock manufacturing plant 100 is considered.

As a first aspect, the CO ₂ emission before factory arrival may be registered as preset information and included in the CO ₂ emission of the product.

As the second mode, for example, information such as the address of the raw material production place, the address of the manufacturing factory 100, the distance between the raw material production place and the manufacturing factory 100, the transportation time, the transportation route, and the transportation history are registered as preset information. In addition, the CO ₂ emission before factory arrival may be calculated based on the preset information and included in the CO ₂ emission of the product.

10 Combination weigher (weighing unit)
20 Bag making and packaging machine (packaging part)
28 Printing mechanism (printing part)
80 controller (calculation unit)
82 Control part F Film (wrapping material)

JP-A-2005-201787 JP 2008-273540 A

Claims (8)

A weighing unit for weighing the contents of the product,
Based on the weight of the content, the content emission amount that is the greenhouse gas emission amount of the content is calculated, and the product emission amount that is the greenhouse gas emission amount of the product including the content emission amount A calculation unit for calculating
A printing unit for printing the product discharge amount on a label area of the product;
A weighing system. A packaging section for packaging the contents of the product with packaging materials;
Merchandise emissions that are greenhouse gas emissions of products, including content emissions that are greenhouse gas emissions of the contents and packaging material emissions that are greenhouse gas emissions of the packaging material A calculation unit for calculating,
A printing unit for printing the product discharge amount on a label area of the product;
A packaging system comprising: A weighing unit for weighing the contents,
Further comprising
The calculation unit calculates the content discharge amount based on the weight of the content.
The packaging system according to claim 2. The calculation unit includes the amount of greenhouse gas emissions converted from the amount of power used in the packaging unit in the product emission amount,
The packaging system according to claim 2 or 3. The packaging part is filled with gas in a bag formed by the packaging material,
The calculation unit includes the amount of greenhouse gas emissions converted from the amount of gas used in the product emissions.
The packaging system according to any one of claims 2 to 4. A processing section for processing the product;
Further comprising
The calculation unit includes a processing emission amount, which is a greenhouse gas emission amount during processing in the processing unit, in the product emission amount,
The packaging system according to any one of claims 2 to 5. The calculation unit includes, in the processing emission amount, an emission amount of a greenhouse gas converted from an amount of electric power used during the processing in the processing unit.
The packaging system according to claim 6. The processing unit uses water or oil during the processing,
The calculation unit includes, in the processing emissions, greenhouse gas emissions that are converted from water usage or oil usage during the processing in the processing unit,
The packaging system according to claim 6 or 7.

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