• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a system for preparing orders comprising a plurality of motorized mobile units able to carry containers for receiving products of a command deposited therein by a preparer. According to the invention said containers have a product dispensing tray mounted on a base configured so as to raise said tray by at least 60 cm, preferably at least 80 cm, said base comprising means for securing with said units mobile and support means on the ground. The invention also relates to a method for preparing at least part of a control.
    公开号:FR3045895A1
    申请号:FR1561931
    申请日:2015-12-07
    公开日:2017-06-23
    发明作者:Romain Moulin；Renaud Heitz
    申请人:Exotec Solutions；
    IPC主号:
    专利说明:

    Order picking system and method for preparing at least a part of a corresponding order 1. Field of the invention
    The field of the invention is that of warehouse logistics and in particular that of the collection and transport of products.
    More specifically, the invention relates to a system for preparing orders and a method for preparing at least a portion of a corresponding order. The invention finds an application in the automation of flow management of a warehouse preparation and shipping orders. 2. State of the art
    In the global supply chain, flow management and handling of products stored in a warehouse play a key role.
    Currently, in most logistics warehouses, order pickers move within the warehouse to collect in a bin or crate each product of a small quantity order on shelving shelves.
    Such an organization helps to make every trainer go through long journeys during a working day. In addition, it assumes that each preparer has a very good knowledge of the location of the products in the warehouse in order not to waste time.
    To limit the fatigue of the preparers, improve the management of the collection of products and reduce the time and cost of order preparation, it was thought to allocate an area of a warehouse to each preparer, where it remains stationed. The preparer then moves to his area, where he picks up a list of products from those of the orders in preparation, and once all the products on his list have been collected, he places the products in a bin or crate waiting on a conveyor at a station "located near the area assigned to this preparer. Once the products in the list are placed in the bin or collection box, it is transported by the conveyor to an operator responsible for reconstituting the orders.
    A disadvantage of this technique is that the installation of conveyors is expensive and consumes space in the warehouse. This prevents in particular doubling or tripling the number of "stations" per zone to limit the movements of the preparers.
    Another disadvantage of this technique is that conveyors limit the movement of personnel in the warehouse because of their footprint.
    It has also been thought to transport shelving arranged in a warehouse to a picking zone using robots. For this, a robot is placed under the rack and lifts to transport it.
    A disadvantage of this known technique is that the height of the shelves must be limited to prevent them from tipping during transport. OBJECTIVES OF THE INVENTION The object of the invention is therefore in particular to overcome the disadvantages of the state of the art cited above.
    More specifically, the invention aims to provide a command preparation technique which limits the movements of preparers and which saves time on a preparation of an order.
    Another object of the invention is to provide a picking technique which does not require that the preparers know the location of each product in the stock. The invention also aims to provide a picking technique that is simple to implement and inexpensive.
    Another object of the invention is to provide a picking technique that can easily adapt to a reorganization of the warehouse.
    Yet another object of the invention is to provide a picking technique which is safe for the preparers moving in the aisles of the warehouse. 4. Presentation of the invention
    These objectives, as well as others that will appear later are achieved using a picking system comprising a plurality of motorized mobile units able to carry containers for receiving one or more products of a order placed in them by a preparer.
    According to the invention, said containers have a product deposit tray mounted on a base configured so as to raise the tray by at least 60 cm, preferably at least 80 cm, the base comprising means for securing with the mobile units and means of support on the ground.
    Thus, in a novel and particularly clever way, the invention proposes to transport with the help of light robots containers that can be deposited on the ground near the products of a command to collect, so that a preparer can deposit the products in a tray.
    Since the bin of the container is located at the standing working height of the preparer, the latter does not need to bend down to put the product he has just taken from a shelf of a rack in the bin. deposit.
    In addition, the preparer does not have to transport products or bins during its collection since each container is moved gradually by moving motorized units to the products to be collected.
    According to a particular embodiment of the invention, said base has a housing configured to allow one of the mobile units to be housed in the container.
    Thanks to these technical characteristics, the mobile units can slip into the housing under the base to lift the container and transport it to a destination. Thus, the gripping of the container by a mobile unit is simplified.
    According to an advantageous embodiment of the invention, the support means on the ground comprise at least 2 feet, preferably at least 3 feet.
    Thus, the container is stable when it rests on the ground.
    Preferably, the feet are spaced apart sufficiently to allow a mobile unit to slide under the base of the container.
    According to a particularly advantageous embodiment of the invention, a unique identifier is associated with each of the containers and the mobile units each comprise means for reading the identifiers.
    Each mobile unit can check the identifier of a container autonomously before taking care of it, which limits the risk of errors in the logistics flow.
    Advantageously, in a particular embodiment of the invention, said base is equipped with at least two wheels and / or at least two pads so as to move the containers on the ground.
    The preparer can push or pull a stationary container in an awkward location, for example when the container is at the foot of a rack and prevents the preparer to reach a product on a shelf. It can also move the container a short distance to collect several products stored on nearby shelves.
    In a particular embodiment of the invention, the mobile units each comprise a self-guided carriage having at least three rolling wheels.
    According to an advantageous characteristic of the invention, a system for preparing orders as described above also comprises at least one reservation extending to the ground, formed in a product storage rack, intended to accommodate at least one of the containers.
    Thus, the containers do not encumber the aisles of circulation.
    It can also be expected that the aisles of the warehouse are distributed between walkways for the preparers, alternated on either side of the shelves with drive lanes dedicated to motorized mobile units.
    Thus, the cross between the preparers and the mobile units are limited which reduces the stress suffered by the preparers and the necessary vigilance.
    According to a particular embodiment of the invention, the order preparation system comprises a fixed order picking station where an operator collects products from an order in the containers transported to the order preparation station by the units. motorized mobiles and place them in a package to be shipped.
    Thus, the containers are delivered to an operator in charge of preparing the shipment. Because warehouse transport is automated, staff can focus exclusively on product picking and shipment preparation.
    According to an advantageous embodiment of the invention, at least one of the containers is formed at least partially of a cardboard package of a package to be shipped.
    The handling of the products is then reduced, because it is enough to stall the products in the box before closing it and labeling it to send it. This therefore saves the operator time and thus increase the quantity of orders shipped.
    In addition, provision may be made to transfer directly at the end of collection the portion of the container formed of the packaging board to an automatic closing station of cardboard, which closes the cardboard packaging.
    According to a preferred embodiment of the invention, the order preparation system further comprises a fleet management module intended to generate instructions for controlling the movement of the mobile units taking into account either the position of the mobile units or both the position of said mobile units, the position of the containers and the location in the stock of a product of the order to be collected.
    According to an advantageous embodiment of the invention, a system for preparing orders as described above comprises a temporary storage area of at least one of the containers.
    Thus, free or waiting containers can be parked on a dedicated area and do not interfere with the movement in the warehouse. The invention also relates to a method for preparing at least a portion of a control using a plurality of containers and motorized mobile units, said containers having a product dispensing tray mounted on a base for to raise said tray at least 60 cm, preferably at least 80 cm, and means for securing with the mobile units and support means on the ground, comprising the following steps: a) selection of a product of said portion of the control to be collected; b) selection of a container, preferably closest to the product to be collected; c) selecting a mobile unit comprising a calculation step, for each mobile unit of the distance to be traveled from its current position to a predetermined position near the controlled product, via the position of the selected container and a step of comparing the calculated course distances to identify the mobile unit for which the course distance is minimal, which is selected; d) transporting the container selected by the mobile unit selected in step c) to the predetermined position near the controlled product; e) notification to a preparer to deposit a number n (n> l) of copies of the ordered product in the selected container; f) deposit by a preparer of n copies of the ordered product in the bin of the container; g) in the case where said control part comprises several different products, successive selection of the other products of said control part and execution of steps b) to f) for these other products of said control part. h) selecting a mobile unit, comprising a calculation step, for each of the mobile units of the distance to be traveled from its current position to a fixed picking station or a station of automatic closure of cartons and a step of comparing the calculated course distances to identify the second mobile unit for which the travel distance to the picking station or the automatic carton closing station is minimal; i) transporting the container selected by said mobile unit selected in step h) to the picking station or automatic carton closing station.
    The collection of the products is thus automated, depending on the resources available, by moving the containers close to the products to be collected using the mobile units.
    According to an advantageous embodiment of the invention, the predetermined position near the controlled product is located in an aisle, between two shelves.
    Thus, each container can be deposited throughout the shelves closer to the storage location of the products, without being limited to particular locations. In other words, a "continuous station" is realized.
    In a particular embodiment of the invention, the predetermined position near the controlled product is located at one end of a rack.
    According to an advantageous embodiment of the invention, during the transport step d) or i), the selected mobile unit circulates, at least during part of the duration of said transport step, in a counter-aisle , parallel to an aisle where a picker is posted, between two shelves for storing products.
    Motorized mobile units move mainly in traffic lanes that are reserved for them while the preparers move in walkways. The traffic lanes and pedestrian walkways meet on shared traffic arteries between the preparers and the motorized mobile units.
    According to a particular embodiment of the invention, during the transport step d) or i), the selected mobile unit circulates, at least during part of the duration of said transport step, under and / or at through a rack. 5. List of Figures Other features and advantages of the invention will appear more clearly on reading the following description of two embodiments of the invention, given as simple illustrative and non-limiting examples, and the accompanying drawings. among which :
    Figure 1 is a schematic perspective view of a warehouse equipped with a first exemplary embodiment of a control preparation system according to the invention; Figure 2 is a schematic perspective view of the order preparation system illustrated with reference to Figure 1; Figure 3 is a schematic perspective view of a motorized mobile unit and a container used in the warehouse illustrated in Figure 1; Figure 4 is a representation of the motorized mobile unit shown with reference to Figure 3 carrying the container; FIG. 5 is a schematic representation of a logistic system for assisting the preparation of commands implementing a control preparation system according to the invention; FIG. 6 is a schematic representation, in block diagram form, of the steps of a management method of a control preparation system according to the invention; Figure 7 is a schematic perspective view of a warehouse equipped with an exemplary embodiment of a control preparation system according to the invention; Figure 8 is another detail view, in perspective, of the warehouse according to Figure 7 in which one can see a reservation in a rack for parking containers. 6. Detailed description of the invention 6.1. Example of embodiment of the invention
    FIG. 5 shows a logistic system for assisting the preparation of commands 5 which is based on a fleet of motorized mobile units 50, constituted in this particular embodiment of the invention of automatically guided trolleys (" Automatic Guided Vehicle "), a fleet management system 51, a database 52, terminals 53, a picking management module (not shown in FIG. 5) and containers 54 each equipped with a container for the removal of products 55.
    The fleet management system 51 controls each mobile unit 50 to move the containers 54 according to the collections to be made and communicates with the terminals 52 to coordinate the collection activity of the preparers 56.
    To organize a collection, the fleet management system 51 defines a transport mission of a container between a starting position corresponding to its current position thereof and a destination position. The transport missions are transmitted to the mobile units 50 and the collection points to the preparers 56, by the fleet management system 51 which uses a wireless communication medium 57 with each mobile unit 50 and each terminal 52. This communication medium wireless 57 is for example a communication type WiFi, WiMAX, IWLAN, GSM, GPRS, UMTS (registered trademarks).
    In Figure 1, there is illustrated a warehouse 1 for storing products for shipment, which is equipped with a system for assisting the preparation of orders presented with reference to Figure 5.
    In this warehouse 1, a storage area 10 comprises aisles 11 of circulation, delimited by shelves 100 equipped with shelves 101 on several levels. On the shelves 101 are stored products, or items, referenced in the stock management database of the warehouse.
    The fleet of motorized mobile units 50 transports the containers 54 in aisles 11 of the warehouse 1, between different points thereof.
    It can be seen in FIG. 2 that the warehouse 1 comprises a preparation zone 20 in which an operator 21 prepares a package to be shipped with the products of a control brought by a mobile unit 50.
    To feed this operator 21, the collection is organized by the fleet management system 51, which orders mobile units 50 to successively move a container 54 near the locations of the items of the order in the warehouse, so that preparers 56 who move in the aisles 11 can collect each item on a shelf 101 of a rack 100 and deposit it directly in the tray 55 of the container 54.
    The steps of an exemplary method for preparing a control according to the invention are now presented in detail with reference to FIG.
    When receiving an order, after verifying the availability of each item ordered, we identify in a first step 60 the position of each item available in the warehouse, by consulting the inventory management database.
    Then, during a step 61, the fleet management system 51 chooses a strategy for picking items from the stock which consists in defining an order of collection of the articles, that is to say a path that will have to be traveled by a container to be able to deposit successively each article constituting the order. This path includes as many collection steps, or stops, as different items listed in this order. Each stop corresponds to a collection point near a shelf 101 on which an item of the order is stored.
    In a step 62, the fleet management system 51 selects a free container near the first collection point.
    Then, the fleet management system 51 selects a free motorized mobile unit 50 to which it controls, in a step 63, to fetch the container 54 selected in step 62. For this, the fleet management system 51 chooses from the available mobile units 50 the mobile unit which will have the shortest path or path between its current position and the next collection point via the position of the container 54 to be moved.
    In a step 64, the mobile unit 50 transports the container 54 to the next collection point near the item (s) to be taken. Arrived at destination, the mobile unit 50 informs the fleet management system 51. It is then free to perform a new mission and restart according to the orders transmitted by the fleet management system 51.
    Meanwhile, in a step 65, the fleet management system 51 selects a preparer 56. Advantageously, the programmed picking path for this preparer 56 passes close to the collection point, which limits its movements.
    Once the container 54 is delivered to the collection point, the terminal 53 of the preparator 56 notifies it, in a step 66, a new picking task to be performed at the collection point. Thus, continuously updated information is delivered to the preparer 56. In this step 66, the fleet management system 51 enrolled in the picking path of the picker 56, stored in a terminal 53, this new collection point, the associated article and the quantity to be collected.
    Thereafter, the preparer 56 when he has reached the collection point by following the notified route completes the order by taking from the shelf 101 the quantity of items planned on his terminal 53 and deposits it in the tray 55. The preparer 56 then completes this picking task by notifying using its terminal 53 completeness of the latter, informing (step 67) the management module of the preparation of orders for the realization of the deposit of the quantity of desired articles in the target container 54. Then, the preparator 56 continues its collection path to the next scheduled collection point.
    The picking management module then checks the completeness of the command (step 68). The set of steps 63 to 68 forms a step 600 of collection at a determined position (also called collection point) of at least one item of the order.
    If for the order picking management module, all the articles composing the order were collected at the step 68, then one chains by a step 69, otherwise the step 600 of the management of the collection is repeated with a new item of the order that has not been collected yet.
    Finally, at step 69, the fleet management system 51 completes the preparation of the order by ordering the transfer of the container 54 in which the items of the order have been deposited to a shipping station to finalize the packaging and prepare the delivery of the order. In this step, a free motorized mobile unit 50 is selected. It receives an instruction from the fleet management system 51 to pick up the container 54 at the last collection point for transport to the shipping station.
    It should be noted that the parking spaces of the containers 54 are not limited. Thus, it is possible to pre-position the containers near and as close to the place of sampling of a product, which prevents the preparers 56 from carrying products.
    Figure 3 illustrates a motorized mobile unit 50, which is a lightweight mobile robot powered by a battery, able to move autonomously in the warehouse 1 and carry light loads. This mobile unit 50 receives movement instructions from the fleet management system 51 and transmits data concerning its position via a wireless communication module 57. This mobile unit 50 is also able to avoid collisions with immovable obstacles. or moving, like other mobile units, containers 54 placed on the ground, or preparers 56 that move in the aisles 11 of the warehouse 1. The mobile unit 50 comprises three pads 51 forming a plane substantially parallel to the ground, intended for carrying a load. Preferably, this plane is substantially horizontal. It is vertically movable between a low position and a high position transporting the load. The vertical displacement of the plane to lift the load is provided by unrepresented lifting means. These vertical lifting means are for example electric cylinders.
    In this FIG. 3, it can also be seen that the mobile unit 50 is approaching a container 54. The container 54 comprises a storage bin 55 in which the preparer 56 has easily deposited articles 31, thanks to a base that enhances the tray 55 at the working height of the preparator 56 standing. Thus, the preparer 56 does not need to bend or bend to deposit the items 31 in the internal volume 30 of the storage bin 54.
    It can also be seen that the base of the container 54 comprises feet 32 and a base 33 raised with respect to the ground. Thus, the mobile unit 50 which is in the lower position, can slide between the feet 31 under the base 33. Then the mobile unit 50 raises the container in the high transport position using the lifting means, as shown in Figure 4, to move to a new destination based on orders or orders received from the fleet management system. 6.2. Other examples of embodiment of the invention
    FIG. 7 illustrates another example of a warehouse equipped with a picking system 5 according to the invention based on a fleet of motorized mobile units 50 carrying containers 54.
    In this particular embodiment of the invention, the racks 70 of a storage area 7 define aisles 71 for moving the preparers 56 and the counter-aisles 72, reserved for moving the mobile units 50. Thus, the crossings and The risk of collisions between the preparer 56 and the mobile units decreases, which requires less vigilance on the part of the preparers 56 and reduces the stress and fatigue of the latter.
    To allow a delivery of the container 54 near the collection point, in the lower part of the shelves 70, reservations 80, under the shelves 81, are arranged every 15 to 20 meters in the storage area 7 of the storage area. warehouse
    These reservations 80 can park containers 54 inside the shelves. 6.3. Other optional features and advantages of the invention In variants of the embodiments of the invention detailed above, it may also be provided to: implement a collection strategy in parallel to increase the speed of sampling of articles, for example, dividing the warehouse into zones, and partitioning the order based on the position of the items in the warehouse. For each zone in which at least one article of the order is stored, a collection path of a container is then defined; implement a zone-based multi-order collection strategy, in which the same container is used to collect different order items stored in the same area of the warehouse. Then, in a preparation zone, operators perform the sorting and group the products of the same order, to be able to ship it; jointly carry out the steps of selecting a container or a mobile unit; select a container 54 from the following criteria: the container that is closest to a free mobile unit or located in a parking area; delaying the mobile unit under the conditioning unit 55 until the task of picking and depositing the items in the bin at the collection point is completed; provide the collection information to the preparer via a voice instruction; display collection information on the container; compartmentalize the internal volume of the container bin to allow storage and / or sorting of products and articles, by category and / or by orders; equipping the base of the caster container, to allow the preparer to move it in the aisle to prepare the order, and then place it on a transit area for example at the end of a rack. When a mobile unit detects the presence of a packaging unit in this transit area, it takes charge of it, ie it identifies it, raises it, and transports it to a new destination.
    权利要求:
    Claims (15)
    [1" id="c-fr-0001]
    1. A picking system comprising a plurality of motorized mobile units able to carry containers for receiving one or more products of an order placed therein by a preparer, characterized in that said containers have a tray of removal of products mounted on a base configured so as to raise said tray by at least 60 cm, preferably at least 80 cm, said base comprising means for securing with said mobile units and support means on the ground .
    [2" id="c-fr-0002]
    2. The picking system of claim 1, characterized in that said base has a housing configured to allow one of said mobile units to be housed in said container.
    [3" id="c-fr-0003]
    3. Order picking system according to any one of claims 1 and 2, characterized in that said support means on the ground comprise at least 2 feet, preferably at least 3 feet.
    [4" id="c-fr-0004]
    4. Order picking system according to any one of claims 1 to 3, characterized in that a unique identifier is associated with each of said containers and in that said mobile units each comprise means for reading said identifiers.
    [5" id="c-fr-0005]
    5. Order picking system according to any one of claims 1 to 4, characterized in that said base is equipped with at least two wheels and / or at least two pads so as to move said containers on floor.
    [6" id="c-fr-0006]
    6. Order picking system according to any one of claims 1 to 5, characterized in that said mobile units each comprise an automatically guided carriage having at least three rolling wheels.
    [7" id="c-fr-0007]
    7. Order picking system according to any one of claims 1 to 6, characterized in that it further comprises at least one reservation extending to the ground, formed in a product storage rack, intended for housing at least one of said containers.
    [8" id="c-fr-0008]
    8. Order picking system according to any one of claims 1 to 7, characterized in that it comprises a fixed order picking station where an operator collects products of a command in said containers transported to said post order preparations by said motorized mobile units and places them in a package to be shipped.
    [9" id="c-fr-0009]
    9. Order picking system according to any one of claims 1 to 8, characterized in that at least one of said containers is formed at least partially of a cardboard package of a package to be shipped.
    [10" id="c-fr-0010]
    10. Order picking system according to any one of claims 1 to 9, characterized in that it further comprises a fleet management module for generating instructions for controlling the movement of said mobile units taking into account either the position of said mobile units, ie the position of said mobile units, the position of said containers and the location in the stock of a product of said control to be collected.
    [11" id="c-fr-0011]
    11. Order picking system according to any one of claims 1 to 10, characterized in that it comprises a temporary storage area of at least one of said containers.
    [12" id="c-fr-0012]
    12. A method for preparing at least a portion of a control using a plurality of containers and motorized mobile units, said containers have a product dispensing tray mounted on a base for raising said tray at least 60 cm, preferably at least 80 cm, securing means with said mobile units and support means on the ground, characterized in that it comprises the following steps: a) selection of a product of said control portion to be collected; b) selecting a container, preferably the closest to said product to be collected; c) selecting a mobile unit comprising a calculation step, for each of said mobile units of the distance to be traveled from its current position to a predetermined position in the vicinity of said controlled product, via the position of the selected container and a step of comparing the calculated course distances to identify said first mobile unit for which said course distance is minimal, which is selected; d) transporting said container selected by said mobile unit selected in step c) to said predetermined position near the controlled product; e) notification to a preparer to deposit a number n (n> l) of copies of said ordered product in said selected container; f) deposit by a preparer of n copies of said controlled product in the tank of said container; g) in the case where said control part comprises several different products, successive selection of the other products of said control part and execution of steps b) to f) for these other products of said control part. h) selecting a mobile unit, comprising a calculation step, for each of said mobile units of the distance to be traveled from its current position to a fixed picking station or a station of automatic closure of cartons and a step of comparing the calculated route distances so as to identify a mobile unit for which the travel distance to the picking station or the automatic carton closing station is minimal; i) transporting the container selected by said mobile unit selected in step h) to the picking station or automatic carton closing station.
    [13" id="c-fr-0013]
    13. A method of preparing a control according to claim 12, characterized in that said predetermined position near said controlled product is located in an aisle between two shelves.
    [14" id="c-fr-0014]
    14. A method of preparing a command according to any one of claims 12 and 13, characterized in that during said transport step d) or i), said selected mobile unit is traveling, at least for part of the duration of said transport step, in a counter-aisle, parallel to an aisle where is placed a picker, between two shelves for storing products.
    [15" id="c-fr-0015]
    15. A method of preparing a command according to any one of claims 12 to 14, characterized in that during said transport step d) or i), said selected mobile unit circulates, at least for part of the duration of said transport step, under and / or through a rack.
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    同族专利:
    公开号 | 公开日
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    法律状态:
    2016-12-20| PLFP| Fee payment|Year of fee payment: 2 |
    2017-06-23| PLSC| Publication of the preliminary search report|Effective date: 20170623 |
    2017-12-28| PLFP| Fee payment|Year of fee payment: 3 |
    2019-12-12| PLFP| Fee payment|Year of fee payment: 5 |
    2020-11-18| PLFP| Fee payment|Year of fee payment: 6 |
    2021-03-12| CD| Change of name or company name|Owner name: EXOTEC, FR Effective date: 20210201 |
    2021-12-02| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1561931|2015-12-07|
    FR1561931A|FR3045895B1|2015-12-07|2015-12-07|COMMAND PREPARATION SYSTEM AND METHOD FOR PREPARING AT LEAST ONE PART OF A CORRESPONDING ORDER|FR1561931A| FR3045895B1|2015-12-07|2015-12-07|COMMAND PREPARATION SYSTEM AND METHOD FOR PREPARING AT LEAST ONE PART OF A CORRESPONDING ORDER|
    EP16813104.3A| EP3387499A1|2015-12-07|2016-12-07|System for preparing orders and corresponding method for preparing at least one portion of an order|
    EP21164381.2A| EP3876055A1|2015-12-07|2016-12-07|Method for preparing at least one part of an order and corresponding system|
    US16/060,292| US20180365631A1|2015-12-07|2016-12-07|Order picking system and order picking method for preparing at least a portion of a corresponding order|
    PCT/FR2016/053259| WO2017098153A1|2015-12-07|2016-12-07|System for preparing orders and corresponding method for preparing at least one portion of an order|
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