CN106960301A - Medical electric business mirror image picking method and system - Google Patents
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Abstract
The present invention is applied to Medical Logistics field there is provided a kind of medical electric business mirror image picking method and system, and methods described includes：It is that mirror image chooses region that picking operation region is set in WMS systems；One is often received when commodity ex-warehouse order, picking task is initiated according to the mirror image selection region of rule thereto；During selection, if wherein there is commodity stocks not enough, commodity relay selection is carried out；If all mirror images choose region after relay is chosen, still the shortage of stock, then the passive task that replenishes is generated, after the completion of replenishing, continue to choose until selection is finished.The present invention chooses region by setting multiple mirror images, when commodity ex-warehouse order comes then, a suitable mirror image selection region is selected to initiate selection task according to rule-based algorithm, ensure selection efficiency as far as possible, improve picking speed, meet and chosen in a mirror image selection region as far as possible, shorten the travel time of picking personnel, if the shortage of stock in mirror image selection region, then transmitted by power transmission line to next mirror image and choose region progress relay selection, can also actively and passively replenished when the shortage of stock.
Description
Technical Field
The invention belongs to the technical field of medicine logistics, and particularly relates to a medicine e-commerce mirror image sorting method and system.
Background
For the traditional logistics center, most of non-medicine goods storage adopts a fluent goods shelf and a common goods shelf which are used in a mixed mode, the goods are stored in goods sorting positions according to medicine formulation classification and region division, the sorting of the goods depends on the experience of warehouse personnel or the investment of hardware equipment to a great extent, when the goods are in and out of a warehouse, the goods are manually sorted in a designated region through a paper goods sorting list in hands of the warehouse personnel, the sorting of the goods mostly depends on the sorting times, the frequency is high, the working strength is high, the warehouse management personnel is troubled, the working efficiency of the warehouse depends on the informatization degree of the whole warehouse management, and the condition can not meet the increasing business volume requirement along with the development of business.
In the construction process of a modern logistics center, the information technology is adopted to carry out fine management on the goods positions, the goods positions in and out of the warehouse are automatically distributed by the system, the walking route of warehouse operators depends on the reasonable calculation of the system, the sorting of non-medicine goods in the warehouse depends on scientific planning, and the ingenious system design can ensure the accuracy of goods inventory, improve the operation efficiency, reduce the dependence of goods storage on human brain and reduce the workload of the operators.
In order to meet the increasing traffic demand, many enterprises begin to build new modernized logistics centers by means of various resources and utilize informatization technology to reform the old warehouses.
For a traditional logistics center, particularly for a warehouse with more non-drug sorting, the reconstruction process largely depends on the familiarity of field warehouse operators with commodities, the walking habits of the field operators and other problems, and the informatization reconstruction easily causes the following problems
1. The goods distribution on shelves depends on empirical judgment, and the operator considers that the walking distance is too far for the goods picking positions distributed by the system;
2. the frequency of replenishment is too high, so that the goods position is easy to explode;
3. the out-of-stock condition can not be processed in time;
4. the modified process has overlarge difference, the new warehouse cannot immediately develop the service, and the adaptation process consuming long time is needed.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a method and a system for sorting medical and electronic commerce mirror images, which aim to solve the technical problems of low efficiency and easy bin explosion in the existing commodity sorting mode.
In one aspect, the medical e-commerce image sorting method comprises the following steps:
when the information is initially loaded, setting a goods picking operation area as a mirror image picking area in the WMS system, wherein the number of the mirror image picking areas is at least two, and the mirror image picking areas are connected through a power transmission line;
when a commodity ex-warehouse order is received, initiating a picking task to one mirror image picking area according to a picking rule and by combining the inventory position, the inventory quantity and the ex-warehouse principle of commodities in different mirror image picking areas;
in the picking process of the picking tasks in the mirror image picking areas, if the inventory of commodities is insufficient, the picked commodities are communicated with the turnover box and are transmitted to the next mirror image picking area through a power transmission line, and meanwhile, the commodity difference data are sent to the corresponding mirror image picking areas, so that relay picking of the commodities is realized;
and if the stocks of all the mirror image picking areas are still insufficient after relay picking, generating a passive replenishment task, and after the replenishment is finished, continuously picking until the picking is finished.
In another aspect, the medical e-commerce mirror image picking system comprises:
the system setting unit is used for setting the goods picking operation areas in the WMS as mirror image picking areas when the data are initially loaded, the number of the mirror image picking areas is at least two, and the mirror image picking areas are connected through a power transmission line;
the order distribution unit is used for initiating a picking task to one mirror image picking area according to a picking rule and by combining the inventory position, the inventory quantity and the warehouse-out principle of the commodity in different mirror image picking areas when receiving a commodity warehouse-out order;
the relay picking unit is used for communicating the picked commodities with the turnover box and transmitting the commodities to the next mirror image picking area through a power transmission line if the commodities are not stored enough in the mirror image picking area according to the picking tasks, and simultaneously transmitting the commodity difference data to the corresponding mirror image picking area to realize relay picking of the commodities;
and the replenishment unit is used for generating a passive replenishment task if the stock is still insufficient after relay picking of all the mirror image picking areas, and continuing picking until picking is finished after replenishment is finished.
The invention has the beneficial effects that: according to the invention, by arranging a plurality of mirror image picking areas, when a commodity delivery order comes, a proper mirror image picking area is selected according to a rule algorithm to initiate a picking task, so that the picking efficiency is ensured as much as possible, the picking speed is improved, the picking in the mirror image picking area is satisfied as much as possible, the walking time of a goods picker is shortened, if the stock in the mirror image picking area is insufficient, the goods are transmitted to the next mirror image picking area through a power transmission line to carry out relay picking, and active and passive goods replenishment can be carried out when the stock is insufficient.
Drawings
Fig. 1 is a flowchart of a medical e-commerce image sorting method according to a first embodiment of the present invention;
FIG. 2 is a schematic illustration of the distribution of mirrored picking areas;
fig. 3 is a block diagram illustrating a medical e-commerce image sorting system according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
The first embodiment is as follows:
fig. 1 shows a flow of a medical e-commerce image sorting method provided by an embodiment of the present invention, and only the relevant parts to the embodiment of the present invention are shown for convenience of description.
The medical e-commerce image sorting method provided by the embodiment comprises the following steps:
and step S1, when the data is initially loaded, setting the goods picking operation areas in the WMS as mirror image picking areas, wherein the number of the mirror image picking areas is at least two, and the mirror image picking areas are connected through a power transmission line.
The WMS warehouse management system is a common logistics management system in the logistics industry and is used for completing a series of control management processes such as warehousing, sorting, rechecking and ex-warehouse. In the current logistics center, the size of the warehouse is very large, the commodity inventory types and data of each warehouse are very large, so that the distance between each type of commodity is also relatively large, when an order comes, a picker picks the order according to the order, and when the commodity types in the order are more, the picker needs to walk a long distance, and the picking efficiency is not high. And when orders are issued in large quantities, picking multiple tasks in one warehouse also affects picking efficiency.
In the embodiment, a plurality of mirror image picking areas are arranged, and in an initial state, commodities are basically evenly distributed in each mirror image picking area, so that the commodities are ensured to have enough inventory in each area, picking in one mirror image cell is met as much as possible, and the walking distance of warehouse personnel is reduced. Therefore, in this step, when the material is initially loaded, a plurality of mirrored sorting areas are first set in the WMS system, and the mirrored sorting areas are connected by power transmission lines, as shown in fig. 2, for convenience of display, only two mirrored sorting areas are listed in fig. 2, and actually, more mirrored sorting areas may be set.
And step S2, when an order for goods to be delivered is received, according to the picking rule and in combination with the stock position, the stock quantity and the delivery principle of the goods in different mirror image picking areas, initiating a picking task to one of the mirror image picking areas.
After the customer places an order, the WMS system generates a shipment order for the item, which may include one or more items and the pick quantities for each item. After receiving the order, the system is provided with a picking rule and selects a proper mirror image picking area to initiate a picking task by combining the inventory position, the inventory quantity and the warehouse-out principle of the mirror image picking area. As orders are continuous and are divided into a plurality of mirror image picking areas for picking, all areas can be executed in parallel, and the picking efficiency can be obviously improved. The embodiment meets the requirement of picking in a mirror image picking area as much as possible, and can shorten the walking time of the picking personnel.
As an example, the present step specifically includes:
s21, when a commodity ex-warehouse order is received, screening out mirror image picking areas, wherein all commodities in the current order meet the inventory requirement, from each mirror image picking area;
s22, calculating order distribution values of the screened mirror image picking areas:
Y＝K1*M+K2*N+K3*R
whereinIn the function f (x), f (x) is 0 when x is less than or equal to 1, and f (x) is 0 when x is greater than 11，MiIs the inventory number of the ith item in the order in the current mirror picking area, Mi0Is the number of i-th items to be picked, MXiThe inventory of the ith commodity in the mirror image picking area is lower limit, N represents the busy degree of each mirror image picking area, if the number of orders currently processed by the mirror image picking area is larger than or equal to a preset value, N is 0, otherwise N is 1, R represents the distance of the sum of the shelf positions of each commodity in the mirror image picking area, the R value of the T mirror image picking areas closest to the sum is 1, the others are 0, wherein T is half of the total number of the mirror image picking areas and is rounded, K is the total number of the mirror image picking areas, and1、K2、K3is a proportionality constant;
s23, selecting the mirror image picking area with the largest order distribution value to initiate picking tasks, and if a plurality of mirror image picking areas with the largest order distribution value exist, selecting the first mirror image picking area according to the number sequence of the mirror image picking areas to initiate picking tasks;
s24, if the mirror image picking area meeting the requirement can not be screened out, selectingMirror the picking area with the largest value and initiate picking tasks ifAnd selecting the first mirror image picking area according to the number sequence of the mirror image picking areas to initiate picking tasks.
Here, the value of M, N, R is 0 or 1, M indicates the influence of the stock of the items, N indicates the influence of the busy/idle degree of each mirrored sorting area, R indicates the influence of the shelf position of each item in the mirrored sorting area in the order, and a mirrored sorting area having a large stock of the items, being relatively idle, and reducing the walking distance of the picker as much as possible is selected as much as possible.
During selection, firstly, the picking in one picking area is considered to be performed as much as possible, so that the mirror image picking areas, in which all the commodities in the current order meet the inventory requirement, are screened out from all the mirror image picking areas, namely, the target mirror image picking areas, in which all the commodities in the order have inventory in the mirror image picking areas, are screened out, and therefore subsequent relay picking can be avoided.
In screening out the mirror picking areas, the present embodiment determines the mirror picking area to be finally selected by calculating the order assignment value Y for each area. For the ith item of the order, each item has an inventory lower limit, M, in each mirrored picking areai-Mi0Indicating the number of inventory remaining after the item selected in the inventory deduction order, ifLess than or equal to 1, which indicates that the residual stock number of the commodity after deduction is less than or equal to the lower stock limit, the mirror image picking area is not recommended to be selected so as to ensure that each commodity in the area has a certain stock amount and reduce the number of replenishment. If M is 1, the picking quantity in the commodity inventory deduction order in the mirror picking area is still more than the inventory lower limit. N represents the influence of the busy degree of each mirror image picking area, each mirror image picking area has an order processing threshold, for example, when the number of orders is less than N0, the order processing can be processed normally and quickly, and when N0 is exceeded, the order processing efficiency has an influence, so in this embodiment, when the number of orders currently processed by the mirror image picking area is greater than or equal to a preset value N0, N is 0, otherwise N is 1. In addition, the walking distance of the picking personnel in the picking areas is also an influence factor, and according to the commodity information in the order, the distances between the positions of the commodities to be picked in each mirror image picking area can be calculated, preferably, T mirror image picking areas with the smallest sum of the distances are set to be 1, other mirror image picking areas are set to be 0, for example, if two or three mirror image picking areas exist, the R value of one mirror image picking area with the smallest sum of the distances is 1, and the others are 0; when there are four mirror picking areas, the R value of two mirror picking areas with the minimum sum of the distances is 1, and the others are 0.
In this example, K1、K2、K3Is a proportionality constant with a default value. Considering that the influence of M is greater than that of N, which is greater than that of R, K can be set1、K2、K3Set to 2.5, 1.5 and 1, respectively.
After the method is adopted, the finally selected mirror image picking area is the most suitable area. If the mirror image picking area with the largest order distribution value is provided with a plurality of mirror image picking areas, the first mirror image picking area is selected according to the number sequence of the mirror image picking areas to initiate the picking task. For example, if the last calculated Y value for the mirrored pick area A, B is the same, the mirrored pick area a is selected by default.
Of course, the mirror image sorting areas which meet the requirement can not be screened out from the beginning, namely, each mirror image sorting area has at least one commodity with insufficient inventory, and then the commodity is selectedThe largest value mirrors the picking area and initiates a picking task, i.e. the sum of the types of goods whose stock meets the picking requirements. If it is notAnd selecting the first mirror image picking area according to the number sequence of the mirror image picking areas to initiate picking tasks.
And step S3, in the process of picking in the mirror image picking area according to the picking tasks, if the inventory of the commodities is insufficient, the picked commodities are communicated with the turnover box and are transmitted to the next mirror image picking area through the power transmission line, and meanwhile, the commodity difference data are transmitted to the corresponding mirror image picking area, so that the relay picking of the commodities is realized.
In the mirror image picking area picking process, if the condition that the inventory of the commodities is insufficient exists, the insufficient balance part is sent to the next mirror image picking area after all the commodities in the order are picked, the picked commodities and the turnover box are transmitted to the next mirror image picking area through a power transmission line, and the pickers continue to pick in the next mirror image picking area according to the balance data, so that relay picking is realized.
And step S4, if the stock is still insufficient after relay picking of all the mirror image picking areas, generating a passive replenishment task, and after completion of replenishment, continuing picking until finishing picking.
After one circle of relay, the picking quantity of the commodities is insufficient, a passive replenishment task is triggered, and after the replenishment is finished, the picking is continued until the picking is finished. When the goods are replenished, all the mirror image picking areas can be replenished synchronously.
In addition, when a certain commodity is found to reach the lower limit of the inventory in the mirror image picking area, an active replenishment task can be generated, and the principle of replenishment is to keep the commodity class and the inventory quantity of each mirror image picking area basically the same.
Example two:
fig. 3 shows the structure of the medical e-commerce image picking system provided by the embodiment of the invention, and only the parts related to the embodiment of the invention are shown for convenience of explanation.
The medical e-commerce image sorting system provided by the embodiment comprises:
the system setting unit 1 is used for setting a goods picking operation area as a mirror image picking area in the WMS system when data is initially loaded, wherein the number of the mirror image picking areas is at least two, and the mirror image picking areas are connected through a power transmission line;
the order distribution unit 2 is used for initiating a picking task to one mirror image picking area according to a picking rule and by combining the inventory position, the inventory quantity and the ex-warehouse principle of the commodity in different mirror image picking areas when receiving an order for taking out the commodity;
the relay picking unit 3 is used for communicating the picked commodities with the turnover box and transmitting the commodities to the next mirror image picking area through a power transmission line if the commodities are not stored enough in the mirror image picking area according to the picking tasks, and simultaneously transmitting the commodity difference data to the corresponding mirror image picking area to realize relay picking of the commodities;
and the replenishment unit 4 is used for generating a passive replenishment task if the stock is still insufficient after relay picking of all the mirror image picking areas, and continuing picking until picking is finished after replenishment is finished. The replenishment unit is also used for generating an active replenishment task when a certain commodity is found to reach the lower inventory limit in the mirror image picking area.
In this configuration, the order assigning unit 2 includes:
the area screening module 21 is configured to, when a commodity ex-warehouse order is received, screen out mirror image picking areas in which all commodities in a current order meet inventory requirements from each mirror image picking area;
an assignment value calculation module 22 for calculating an order assignment value Y ═ K of each screened mirror image picking area1*M+K2*N+K3R; wherein,
in the function f (x), f (x) is 0 when x is less than or equal to 1, and f (x) is 1 when x is greater than 1, MiIs the inventory number of the ith item in the order in the current mirror picking area, Mi0Is the number of i-th items to be picked, MXiThe inventory of the ith commodity in the mirror image picking area is lower limit, N represents the busy degree of each mirror image picking area, if the quantity of orders currently processed by the mirror image picking area is larger than or equal to a preset value, N is 0, otherwise N is 1, R represents the distance of the sum of the distances of the shelf positions of each commodity in the mirror image picking area, the R value of the mirror image picking area closest to the sum is 1, the others are 0, T is half of the total number of the mirror image picking areas and is rounded, K is the total number of the mirror image picking areas, and1、K2、K3is a proportionality constant;
the task initiating module 23 is configured to select a mirror image picking area with the largest order distribution value to initiate a picking task, and if there are multiple mirror image picking areas with the largest order distribution value, select a first mirror image picking area according to the number sequence of the mirror image picking areas to initiate the picking task; and for selecting if a satisfactory mirrored picking area cannot be screened outMirror the picking area with the largest value and initiate picking tasks ifAnd selecting the first mirror image picking area according to the number sequence of the mirror image picking areas to initiate picking tasks.
The functional units correspondingly implement steps S1-S4 in the first embodiment, and the functional modules correspondingly implement steps S21-S24 in the first embodiment. The specific implementation process of these units and modules is not described herein again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A medical e-commerce image sorting method is characterized by comprising the following steps:
when the information is initially loaded, setting a goods picking operation area as a mirror image picking area in the WMS system, wherein the number of the mirror image picking areas is at least two, and the mirror image picking areas are connected through a power transmission line;
when a commodity ex-warehouse order is received, initiating a picking task to one mirror image picking area according to a picking rule and by combining the inventory position, the inventory quantity and the ex-warehouse principle of commodities in different mirror image picking areas;
in the picking process of the picking tasks in the mirror image picking areas, if the inventory of commodities is insufficient, the picked commodities are communicated with the turnover box and are transmitted to the next mirror image picking area through a power transmission line, and meanwhile, the commodity difference data are sent to the corresponding mirror image picking areas, so that relay picking of the commodities is realized;
and if the stocks of all the mirror image picking areas are still insufficient after relay picking, generating a passive replenishment task, and after the replenishment is finished, continuously picking until the picking is finished.
2. The method for sorting mirror images of medical and electronic commerce according to claim 1, further comprising the steps of:
and when a certain commodity is found to reach the lower limit of the inventory in the mirror image picking area, generating an active replenishment task.
3. The mirror image picking method for medical and electronic commerce according to claim 1 or 2, wherein each time an order for picking the goods is received, the step of initiating a picking task to one of the mirror image picking areas according to picking rules and combining stock positions, stock quantities and principles of the goods in different mirror image picking areas comprises:
when a commodity ex-warehouse order is received, screening out mirror image picking areas of which all commodities in the current order meet the inventory requirement from all mirror image picking areas;
calculating the order distribution value Y of each screened mirror image picking area as K1*M+K2*N+K3R, whereinIn the function f (x), f (x) is 0 when x is less than or equal to 1, and f (x) is 1 when x is greater than 1, MiIs the inventory number of the ith item in the order in the current mirror picking area, Mi0Is the number of i-th items to be picked, MXiIs that the ith item is stocked in the mirror image picking areaThe lower limit, N represents the busy degree of each mirror image picking area, if the number of orders currently processed by the mirror image picking area is greater than or equal to the preset value, N is 0, otherwise N is 1, R represents the distance degree of the sum of the distances of the shelf positions of each item of the order in the mirror image picking area, the R value of the T mirror image picking areas closest to the sum is 1, the others are 0, where T is half of the total number of the mirror image picking areas and is rounded, K is the total number of the mirror image picking areas, and the like1、K2、K3Is a proportionality constant;
selecting the mirror image picking area with the largest order distribution value to initiate a picking task, and if a plurality of mirror image picking areas with the largest order distribution value exist, selecting the first mirror image picking area according to the number sequence of the mirror image picking areas to initiate the picking task;
if the mirror image sorting area meeting the requirement can not be screened out, selectingMirror the picking area with the largest value and initiate picking tasks ifAnd selecting the first mirror image picking area according to the number sequence of the mirror image picking areas to initiate picking tasks.
4. A medical e-commerce image sorting system, the system comprising:
the system setting unit is used for setting the goods picking operation areas in the WMS as mirror image picking areas when the data are initially loaded, the number of the mirror image picking areas is at least two, and the mirror image picking areas are connected through a power transmission line;
the order distribution unit is used for initiating a picking task to one mirror image picking area according to a picking rule and by combining the inventory position, the inventory quantity and the warehouse-out principle of the commodity in different mirror image picking areas when receiving a commodity warehouse-out order;
the relay picking unit is used for communicating the picked commodities with the turnover box and transmitting the commodities to the next mirror image picking area through a power transmission line if the commodities are not stored enough in the mirror image picking area according to the picking tasks, and simultaneously transmitting the commodity difference data to the corresponding mirror image picking area to realize relay picking of the commodities;
and the replenishment unit is used for generating a passive replenishment task if the stock is still insufficient after relay picking of all the mirror image picking areas, and continuing picking until picking is finished after replenishment is finished.
5. The system of claim 4, wherein the replenishment unit is further configured to generate an active replenishment task when an item is found in the mirrored picking area to reach a lower inventory limit.
6. The system of claim 4 or 5, wherein the order distribution unit comprises:
the area screening module is used for screening mirror image picking areas, wherein all commodities in the current order meet inventory requirements, from each mirror image picking area when a commodity ex-warehouse order is received;
a distribution value calculating module for calculating the order distribution value Y of each screened mirror image picking area as K1*M+K2*N+K3R; wherein,
in the function f (x), f (x) is 0 when x is less than or equal to 1, and f (x) is 1 when x is greater than 1, MiIs the inventory number of the ith item in the order in the current mirror picking area, Mi0Is the number of i-th items to be picked, MXiThe inventory of the ith product in the mirror image picking area is lower limit, N represents the busy degree of each mirror image picking area, if the quantity of orders currently processed by the mirror image picking area is larger than or equal to a preset value, N is 0, otherwise, N is 1, and R represents that each product in the order is inThe distance of the sum of the distances of the shelf positions in the mirror image picking area, the R value of the mirror image picking area closest to the sum is 1, the others are 0, T is half and whole of the total number of the mirror image picking areas, and K1、K2、K3Is a proportionality constant;
the task initiating module is used for selecting the mirror image picking area with the largest order distribution value to initiate a picking task, and if a plurality of mirror image picking areas with the largest order distribution value exist, selecting the first mirror image picking area according to the number sequence of the mirror image picking areas to initiate the picking task; and for selecting if a satisfactory mirrored picking area cannot be screened outMirror the picking area with the largest value and initiate picking tasks ifAnd selecting the first mirror image picking area according to the number sequence of the mirror image picking areas to initiate picking tasks.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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