EP3434620B1 - Unité de pesage modulaire pour système de collecte de déchets - Google Patents

Unité de pesage modulaire pour système de collecte de déchets Download PDF

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Publication number
EP3434620B1
EP3434620B1 EP18184932.4A EP18184932A EP3434620B1 EP 3434620 B1 EP3434620 B1 EP 3434620B1 EP 18184932 A EP18184932 A EP 18184932A EP 3434620 B1 EP3434620 B1 EP 3434620B1
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EP
European Patent Office
Prior art keywords
waste
unit
base
weighing unit
weighing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18184932.4A
Other languages
German (de)
English (en)
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EP3434620A1 (fr
Inventor
Willem Jan Achterberg
Wilfred van Viegen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wastec BV
Original Assignee
Wastec BV
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Filing date
Publication date
Application filed by Wastec BV filed Critical Wastec BV
Publication of EP3434620A1 publication Critical patent/EP3434620A1/fr
Application granted granted Critical
Publication of EP3434620B1 publication Critical patent/EP3434620B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/10—Refuse receptacles; Accessories therefor with refuse filling means, e.g. air-locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F1/1426—Housings, cabinets or enclosures for refuse receptacles
    • B65F1/1447—Housings, cabinets or enclosures for refuse receptacles located underground
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F2210/00—Equipment of refuse receptacles
    • B65F2210/168—Sensing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F2210/00—Equipment of refuse receptacles
    • B65F2210/172—Solar cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F2210/00—Equipment of refuse receptacles
    • B65F2210/184—Weighing means

Definitions

  • the present invention relates to a weighing unit for a waste collection system that includes a cylindrical rotary drum.
  • Waste collection system with a cylindrical rotary drum typically include a waste receiving unit above ground sitting on a base, and a large collection unit beneath the base.
  • the waste receiving unit receives waste through a double-barrelled cylindrical rotary drum, which ensures that the collection unit is closed off when the rotary drum is open to receive waste, and that the rotary drum is closed when the waste is free to move to the collection unit beneath the base.
  • Such a collection system can work well to store a large amount of waste between emptying while ensuring the waste already collected is not subject to environmental forces or access by, for example, birds or other animals which may get into the waste and spread it elsewhere.
  • Such a waste collection system is typically emptied by a large truck or crane which secures to a feature on the top of the waste receiving unit and moves the receiving unit, base and collection unit vertically such that all are above the ground. The movement then takes the entire system above a truck or other container, and opens doors at the base of the collection unit to release the collected waste. Then then doors are closed, and the collection unit is returned to the underground position, with the base and waste receiving unit sitting above ground.
  • EP 2 660 168 A1 relates to a disposal lock for waste.
  • the disposal lock has a housing, a lid at the top side of the housing, a weighing device for weighing waste, and a lock means under the lid for holding waste in the housing or for discharging waste from the housing. Inserted waste lands in the chamber which is enclosed by the walls and the flaps of the lock means.
  • the weighing device includes two said movable flaps which are connected to and movable disposed within the housing. The movable flaps are moveable to a closed position for weighing waste and an open position to allow waste through the housing to the collection unit.
  • the weighing device also includes a frame for connecting the weighing unit to the waste collection system base, and a load cell connecting the frame with said walls through a beam and two profiled plates.
  • a weighing unit for a waste collection system comprises a base, a collection unit beneath the base for storing waste, and a waste receiving unit supported on top of the base and comprising a cylindrical rotary drum for receiving the waste.
  • the weighing unit comprises a housing defining a collection chute for receiving waste from the cylindrical rotary drum; one or more movable flaps connected to and movably disposed within the housing, moveable to a closed position for weighing waste and an open position to allow waste through the housing to the collection unit; a frame for connecting the weighing unit to the waste collection system base; and a load cell connecting the housing to the frame.
  • the housing is configured to fit within the waste receiving unit and comprises a top portion complementary in shape to the rotary drum such that the top portion aligns close to but not connecting to the rotary drum.
  • Such a weighing unit allows for accurate weighing of waste in a rotary drum waste collection system by forming a weighing unit which can fit free-standing inside the waste collection unit only connecting to the base, and aligns with the rotary drum at a top portion of the housing.
  • the alignment and complementary shape of the top portion of the housing allow the weighing unit to work with the rotary drum waste collection system, and the ability to only connect to the base allows the weighing unit to perform very accurate weight measurements.
  • the frame comprises a base beam with one or more connection devices for connecting the base bar to the waste receiving unit base; a connecting beam for connecting the frame to the load cell; and one or more legs connecting the base beam to the connecting beam.
  • a frame can form a stable connection between the weighing device and waste collection system base, allowing for stable freestanding within the waste collection unit and therefore very accurate weight measurements.
  • the one or more connection devices comprises a connection plate on each end of the base beam for connecting to the waste receiving unit base.
  • the connection plates can connect to the base, for example an underside of the base and/or a base girder by any suitable connection means. This could include bolts, welding, etc.
  • the housing comprises a generally rectangular back wall; a front wall which connects to the frame; and side walls connecting the back wall and the front wall, the top portions of each side wall with a curvature to follow the curvature of the rotary drum.
  • the front wall extends outward at the top portion and/or at the bottom portion.
  • the one or more movable flaps comprises first and second flaps connected to a motor drive unit for moving from the open position to the closed position and vice versa.
  • a motor drive unit for moving from the open position to the closed position and vice versa.
  • the one or more flaps could also take other forms for closing the housing and selectively preventing waste from travelling through the housing to the collection unit.
  • the motor drive unit for displacing the closure means with respect to one another is also preferably supported solely by the weighing unit.
  • the weighing unit further comprises a lock mechanism to releasably lock the one or more flaps in the closed position and/or releasably lock the load cell. This can ensure that the weighing unit is protected during operations where it is jostled around and may be subject to damage, for example, operations where the waste collection system is being emptied and/or connecting the weighing unit to the waste collection system.
  • the weighing unit is part of a waste collection system with a waste collection unit with a rotary drum.
  • a waste collection system can reliably and accurately weigh waste inserted.
  • the weighing unit connects to the base of the waste receiving unit and fits within the waste receiving unit such that the housing top portion follows the outline of the rotary drum at a distance of about [distance cm]. This ensure that the weighing unit is freestanding from the base beam and only connects to the other components of the waste collection system through the waste collection system base to provide more accurate weight measurements that are not influenced by other parts of the waste collection system and/or movements of the rotary drum.
  • a method of assembling a waste collection system with a waste collection unit comprising a cylindrical rotary drum for receiving the waste, a weighing unit according to the first aspect of the invention presented above for weighing waste, a base and a collection unit beneath the base for storing the waste.
  • the method comprises mounting the waste receiving unit on top of the base; inserting the weighing unit housing into the waste receiving unit such that the housing top portion aligns close to but not connecting to the rotary drum; and connecting the frame of the weighing unit to the base of the waste collection unit, the weighing unit frame connected to the housing through the load cell.
  • Such a method can allow for weight measurements on waste collection system with rotary drums. This method can be applicable to entirely new systems or can retrofit old rotary drum waste collection systems with the new ability to weigh waste entering the system.
  • the step of connecting the frame of the weighing unit to the base of the waste collection unit comprises connecting a base beam of the frame to an underside of the waste collection unit base.
  • the method further comprises calibrating the weighing unit. This can be done by, for example, putting a known weight into the weighing unit and making a weight measurement. Then the load cell can be adjusted to accurately reflect the known weight.
  • Some embodiments could include more than one load cell for accurate weight measurements.
  • recording means for recording the amount of waste on the basis of the weighing data supplied by the weighing unit.
  • Said recording means may comprise a reading device for reading individualized user data.
  • the recording means may be connected to a cost module for individually assigning costs or credit to users on the basis of the weighed amount of waste.
  • One or more sensors may also be provided for recording the closed position of the rotary drum of the waste receiving unit.
  • regulating means connected to the sensor in order to permit the rotary drum of the housing to open only if the weighing unit is empty and/or the collection unit is not full.
  • the weighing unit can be solar and/or battery powered. Such a weighing unit allows for use in areas where electrical power is not otherwise available. Further, solar and/or battery power can provide for an economical waste collection system.
  • FIG. 1A shows perspective view of a waste collection system 10
  • Fig. 1B shows a perspective view of waste collection system 10 with a part of the waste receiving unit 12 removed for viewing purposes
  • Fig. 1C shows a close up view of part of Fig. 1B .
  • Waste collection system 10 includes waste receiving unit 12, base 14, collection unit 16 and weighing unit 20.
  • Waste receiving unit 12 includes rotary drum 18 and pick-up point 19.
  • Rotary drum 18 is a cylindrical double-barrelled rotary drum rotates from an open position in which waste can be inserted into drum 18 to a closed position (as shown in Fig. 1A ), which waste can move from the drum toward the collection unit 16 beneath base 14.
  • Waste collection system 10 is generally emptied by a large truck or crane connecting to pick-up point 19, and moving the entire waste collection system 10 vertically for emptying from a bottom of collection unit 16.
  • Weighing unit 20 includes housing 22 (with front wall 24, back wall 26, side walls 28, top portion 30 and bottom portion 32), moveable flaps 34 with journals 36, motor drive unit 38, frame 40 and load cell 42.
  • Frame 40 includes base beam 44 with connection plates 46 on each end, legs 48 and connecting beam 50.
  • An additional housing support frame 52 can be connected for connecting housing 22 to load cell 42.
  • Weighing unit 20 sits within waste collection unit 12, as shown in Fig. 1B , and connects to waste collection system 10 only through base 14. Specifically, connection plates 46 connect between base beam 44 of weighing unit 20 and an underside of base 14, through any suitable connection means, for example, welding or bolts. Weighing unit 20 is then freestanding from base beam 44, not connecting to any other component of waste collection system 10. Once inserted and connected to base 14, weighing unit 10 could be calibrated, for example, by placing known weights into weighing unit 20.
  • Top portion 30 of housing 22 is complementary in shape to rotary drum and aligns close to but not connecting to rotary drum 18, as shown in Fig. 1B .
  • the distance between then top of housing 22 and rotary drum 18 can be, for example 5-25 mm, or around 12 mm.
  • Front wall 24 of housing extends outward at top portion 30 to form this complementary shape and ensure that all waste travels directly from rotary drum 18 into weighing unit 20, and none gets stuck or falls into another part of waste collection system 10.
  • One or more walls 24, 26, 28 can extend outward at bottom portion 32 to ensure waste does not become trapped in housing 22 after weighing and when being released to collection unit 16.
  • Fig. 2A shows a perspective view of a weighing unit 20 for waste collection system 10
  • Fig. 2B shows a side view of weighing unit 10
  • Fig. 2C shows a front view of weighing unit 10.
  • the motor drive unit 7 is fastened to the lock means 5.
  • the journals 14 of the two flaps 15, 16 are rotatably suspended from the front wall 9 and the rear wall 10, which journals are connected to the motor drive unit 7.
  • Frame 40 connects to housing 22 through load cell 42, which in the embodiment shown connects to housing 22 through beam 52.
  • Motor drive unit 38 connects to and rotates journals 36 to extend or retract flaps 34.
  • Weighing unit 10 can also include a locking system to lock flaps 34 in place for a waste collection system 10 emptying operation (as discussed in relation to Fig. 1A ) and/or to releasably lock down and protect load cell 42 during an emptying operation.
  • the only connection between weighing unit 20 and other components of waste collection system 10 is the connection between frame 40 of weighing unit 20 and base 14.
  • housing 22 at least partially follow the arc of a circle to ensure they are complementary in shape to rotary drum 18.
  • Front wall 24 extends outward
  • back wall 26 is rectangular and extends generally planar but higher than the other walls. While this embodiment is shown to be shaped in this form, housing 22 top portion 30 could take other forms as long as it is shaped to align complementary to rotary drum 18 without touching rotary drum 18.
  • frame 40 could take many different forms in connecting between load cell 42 and base 14.
  • Weighing unit 20 works by accurately weighing waste inserted into waste collection system 10. Specifically, waste inserted into rotary drum 18 is delivered to weighing unit housing 22 upon the closing of rotary drum 18. Flaps 34 are held in a closed position by motor drive unit 38. Once waste is stably in chamber, which can be detected by, for example, a sensor, load cell 42 can accurately weigh the waste. The weight amount could be reported to a recording means and/or another system to record and/or report out the weight of the waste. Once an accurate weight measurement has been taken, the motor drive unit 38 can retract flaps 34 to allow waste to move into collection unit 16 below base 14.
  • weighing unit 20 By forming weighing unit 20, and particularly housing 22 complementary to rotary drum 18, and such that it will align close to but not actually touching when installed and only connecting weighing unit 20 to base 14, weighing unit 20 can provide accurate weight measurements for waste inserted into a rotary drum waste collection system. While past waste collection systems have included weighing units, none have been suitable or able to be used with a rotary drum waste collection system. Weighing unit 20 overcomes this issue by designing all components such that they can both fit within a standard rotary drum waste collection system 10 while being freestanding (only connecting to base 14) to provide an accurate weight reading for the waste inserted. Further, the locking system can help to protect weighing unit 10 and particularly load cell 50 during an emptying operation, which can jostle the entire waste collection system 10.
  • weighing unit 10 and shaping of housing 22 make it able to be used inside a waste receiving unit 12 with rotary drum 18.
  • the connection only to base 14 ensures that no other parts of waste collection system 10 come into contact with weighing unit 20, making it better able to provide accurate readings.
  • the close alignment of top portion 30 of housing 20 with rotary drum ensures that waste is properly guided into weighing unit 10 and does not fall outside of weighing unit 20 or get caught on other components.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuse Collection And Transfer (AREA)

Claims (14)

  1. - Unité de pesage (20) pour un système de collecte de déchets (10) comprenant une base (14), une unité de collecte (16) sous la base pour stocker des déchets, et une unité de réception de déchets (12) supportée sur le dessus de la base, l'unité de réception de déchets (12) comprenant un tambour rotatif cylindrique (18) pour recevoir les déchets ; l'unité de pesage (20) comprenant :
    un boîtier (22) définissant une goulotte de collecte pour recevoir les déchets provenant du tambour rotatif cylindrique, le boîtier étant configuré pour s'adapter à l'intérieur de l'unité de réception de déchets et comprenant une partie supérieure (30) de forme complémentaire au tambour rotatif (18) de telle sorte que la partie supérieure s'aligne à proximité du tambour rotatif mais sans s'y raccorder ;
    un ou plusieurs volets mobiles (34) reliés au boîtier et disposés de manière mobile à l'intérieur de celui-ci, mobiles vers une position fermée pour peser des déchets et une position ouverte pour permettre aux déchets de traverser le boîtier jusqu'à l'unité de collecte ;
    un châssis (40) pour relier l'unité de pesage à la base de système de collecte de déchets (14); et
    une cellule de pesage (42) reliant le boîtier au châssis.
  2. - Unité de pesage (20) selon la revendication 1, dans laquelle le châssis (40) comprend :
    une poutre de base (44) avec un ou plusieurs dispositifs de liaison (46) pour relier la poutre de base à la base d'unité de réception de déchets ;
    une poutre de liaison (50) pour relier le châssis (40) à la cellule de pesage ; et
    un ou plusieurs pieds (48) reliant la poutre de base à la poutre de liaison.
  3. - Unité de pesage selon la revendication 2, dans laquelle le ou les dispositifs de liaison (46) comprennent :
    une plaque de liaison sur chaque extrémité de la poutre de base pour liaison à la base d'unité de réception de déchets (14).
  4. - Unité de pesage selon l'une quelconque des revendications précédentes, dans laquelle le boîtier comprend :
    une paroi arrière généralement rectangulaire (26) ;
    une paroi avant (24) qui est reliée au châssis ; et
    des parois latérales (28) reliant la paroi arrière et la paroi avant, les parties supérieures (30) de chaque paroi latérale ayant une courbure pour suivre la courbure du tambour rotatif (18).
  5. - Unité de pesage selon la revendication 4, dans laquelle la paroi avant s'étend vers l'extérieur à la partie supérieure et/ou à la partie inférieure.
  6. - Unité de pesage selon l'une quelconque des revendications précédentes, dans laquelle le ou les volets mobiles (34) comprennent :
    des premier et second volets reliés à une unité d'entraînement motorisée (38) pour passer de la position ouverte à la position fermée et inversement.
  7. - Unité de pesage selon l'une quelconque des revendications précédentes, et comprenant en outre un mécanisme de verrouillage pour verrouiller de manière libérable le ou les volets dans la position fermée et/ou verrouiller de manière libérable la cellule de pesage.
  8. - Unité de pesage selon l'une quelconque des revendications précédentes, l'unité de pesage étant alimentée par énergie solaire et/ou par batterie.
  9. - Système de collecte de déchets (10) comprenant une base (14), une unité de collecte (16) sous la base pour stocker des déchets, et une unité de réception de déchets (12) supportée sur le dessus de la base, un tambour rotatif cylindrique (18) pour recevoir les déchets et l'unité de pesage (20) selon l'une quelconque des revendications précédentes.
  10. - Système de collecte de déchets selon la revendication 9, dans lequel l'unité de pesage (20) est reliée à la base (14) de l'unité de réception de déchets et s'adapte à l'intérieur de l'unité de réception de déchets (20) de telle sorte que la partie supérieure de boîtier (30) suit le contour du tambour rotatif (18) à une distance d'environ 5 à 25 mm.
  11. - Système de collecte de déchets selon l'une quelconque des revendications 9 - 10, dans lequel l'unité de pesage (20) est autoportant à partir de la poutre de base (44) et est reliée aux autres composants du système de collecte de déchets uniquement par l'intermédiaire de la base de système de collecte de déchets (14).
  12. - Procédé d'assemblage d'un système de collecte de déchets (10) avec une unité de réception de déchets comprenant un tambour rotatif cylindrique pour recevoir les déchets, une unité de pesage selon une revendication précédente 1-8 pour peser des déchets, une base et une unité de collecte sous la base pour stocker les déchets, le procédé comprenant :
    monter l'unité de réception de déchets (12) sur le dessus de la base (14) ;
    introduire le boîtier d'unité de pesage (22) dans l'unité de réception de déchets de telle sorte que la partie supérieure de boîtier s'aligne à proximité du tambour rotatif mais sans s'y raccorder ; et
    relier le châssis (40) de l'unité de pesage à la base (14) de l'unité de collecte de déchets, le châssis d'unité de pesage (40) étant relié au boîtier (22) par l'intermédiaire de la cellule de pesage (42).
  13. - Procédé selon la revendication 12, dans lequel l'étape de liaison du châssis de l'unité de pesage à la base de l'unité de collecte de déchets comprend relier une poutre de base (44) du châssis (40) à un côté inférieur de la base d'unité de collecte de déchets (14).
  14. - Procédé selon l'une quelconque des revendications 12 et 13, et comprenant en outre l'étape consistant à :
    étalonner l'unité de pesage (42).
EP18184932.4A 2017-07-25 2018-07-23 Unité de pesage modulaire pour système de collecte de déchets Active EP3434620B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2019346A NL2019346B1 (en) 2017-07-25 2017-07-25 Modular Weighing Unit for Waste Collection System

Publications (2)

Publication Number Publication Date
EP3434620A1 EP3434620A1 (fr) 2019-01-30
EP3434620B1 true EP3434620B1 (fr) 2022-11-30

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3999448A1 (fr) 2019-07-19 2022-05-25 Mr. Fill Holding B.V. Dispositifs et procédés de répartition et de compactage des déchets
NL2023538B1 (en) 2019-07-19 2021-02-08 Mr Fill Holding B V Refuse distribution and compaction device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2008754C2 (nl) * 2012-05-04 2013-11-06 Wastec Bv Inwerpsluis.

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NL2019346B1 (en) 2019-02-18
EP3434620A1 (fr) 2019-01-30

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