CN111080095A - Method and system for transporting parts in and out of warehouse and computer readable storage medium - Google Patents
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Abstract
The invention discloses a method, a system and a storage medium for transporting parts in and out of a warehouse, wherein the system comprises an induction door body arranged at an inlet and an outlet for transporting the parts, and the method comprises the following steps: in the process that the AGV carries parts back and forth, acquiring height data of the AGV relative to an area below the top of a door body when passing through an induction door body; acquiring a height variation trend corresponding to the AGV according to height data of the AGV when the AGV passes through the induction door body currently and passes through the induction door body last time; when the height variation trend is reduced, triggering the AGV to execute a first conveying instruction to convey the parts at a forward loading point; and when the height variation trend is ascending, triggering the AGV to execute a discharging instruction so as to convey the loaded parts to the designated storage position. According to the invention, the AGV can be intelligently and flexibly scheduled by means of the height change trend obtained by the induction door body, and unmanned and intelligent delivery and delivery are realized.
Description
Technical Field
The invention relates to the field of logistics, in particular to a method and a system for transporting and loading and unloading a part and a computer readable storage medium.
Background
With the advancement of technology, smart manufacturing and industry 4.0 gradually walks into the field of vision of people, and the appearance of the smart manufacturing and industry gradually improves the phenomenon of traditional manufacturing pipelining and helps to liberate both hands of workers. However, for the logistics system, the application of smart manufacturing is mainly focused on the application of smart warehousing, and the application of transportation of parts to and from the warehouse is less. Therefore, it is necessary to provide an intelligent system for transporting parts into and out of the warehouse to improve the overall intelligent logistics system.
Disclosure of Invention
The invention mainly aims to provide a method and a system for transporting parts in and out of a warehouse and a computer readable storage medium, aiming at providing a system for transporting the parts in and out of the warehouse and perfecting an intelligent logistics system.
In order to achieve the purpose, the invention provides a freight wagon cargo collection control method which is applied to a part warehousing and transportation system, wherein the system comprises an induction door body arranged at a part transportation entrance, and the method comprises the following steps:
in the process that the AGV carries parts back and forth, acquiring height data of the AGV relative to an area below the top of a door body when passing through an induction door body;
acquiring a height variation trend corresponding to the AGV according to height data of the AGV when the AGV passes through the induction door body currently and passes through the induction door body last time;
when the height variation trend is reduced, triggering the AGV to execute a first conveying instruction to convey the parts at a forward loading point;
and when the height variation trend is ascending, triggering the AGV to execute a discharging instruction so as to convey the loaded parts to the designated storage position.
Optionally, the parts are loaded through the packaging container;
when the trend of the height change is ascending, the step of triggering the AGV to execute a discharging instruction so as to convey the loaded parts to the designated storage position comprises the following steps:
when the height variation trend is rising, reading preset RFID information of an upper article packaging container of the AGV when the upper article packaging container passes through the induction door body, wherein the preset RFID information is correspondingly recorded by a part supplier before shipment;
determining the type of the parts of the packaging container corresponding to the parts according to the preset RFID information so as to determine a storage position corresponding to the type of the parts, and sending a discharging instruction comprising the storage position to the AGV, so that the AGV can convey the loaded parts to the storage position appointed by the discharging instruction.
Optionally, after the step of triggering the AGV to execute a discharge instruction to transport the loaded parts to the designated storage location, the method further includes:
after detecting that the AGV carries the loaded parts to the designated storage location, triggering the AGV to execute a second carrying instruction so as to go to an empty packaging container placing area corresponding to the production line to carry the empty packaging container to a loading point.
Optionally, the parts warehouse-in and warehouse-out conveying system further comprises an RFID collecting device arranged between the empty packaging container placing area and the loading point;
the method further comprises the steps of:
in the process that the AGV carries the empty packaging container from the empty packaging container placing area to a loading point, determining preset RFID information of the empty packaging container currently carried by the AGV through an RFID acquisition device, and determining the type of an original part corresponding to the empty packaging container according to the preset RFID information;
and generating an ex-warehouse scheduling instruction comprising the original part type so as to trigger other idle AGVs to transfer the parts corresponding to the original part type in the ex-warehouse scheduling instruction from the warehouse location to the used part placing area corresponding to the production line.
Optionally, in the process of performing to-and-fro part transportation by the AGV, while acquiring the height data of the area below the top of the door body when the AGV passes through the induction door body, the following steps are also performed:
recognizing preset RFID information of a load-bearing packaging container on the AGV through the induction door body;
the method further comprises the steps of:
when the height variation trend is rising, acquiring the part type and the part number corresponding to each packaging container borne by the AGV according to the identified preset RFID information so as to count all the part types on the AGV and the part number to be detected corresponding to each part type, and matching the part types in the current warehousing order with all the part types on the AGV;
and if the part types in the current warehousing order are successfully matched with all the part types on the AGV, checking and reducing the quantity of the parts to be warehoused corresponding to each part type in the current warehousing order according to the quantity of the parts to be inspected corresponding to each part type to finish part inspection.
Optionally, the step of matching the part type in the current warehousing order with all part types on the AGV includes:
judging whether all the part types on the AGV exist in the part types of the current warehousing order or not;
if yes, matching the part types in the current warehousing order with all part types on the AGV successfully;
if not, matching the part types in the current warehousing order with all the part types on the AGV fails.
Optionally, the step of performing a reduction on the number of to-be-warehoused parts corresponding to each part type in the current warehousing order according to the number of to-be-warehoused parts corresponding to each part type includes:
and marking the quantity of the parts to be warehoused in the current warehousing order, which is consistent with the part types of all the parts on the AGV, and respectively subtracting the quantity of each marked part to be warehoused from the corresponding quantity of the part to be inspected so as to update the quantity of the parts to be warehoused in the current warehousing order.
Optionally, the method further comprises:
when the height variation trend is reduced, acquiring part supplier identification corresponding to the packaging container according to the identified preset RFID information;
and storing the identified preset RFID information into a table corresponding to the part supplier identification of the packaging container, and feeding back the table to the corresponding part supplier according to the part supplier identification when all parts in the current warehousing order are completely detected.
In addition, in order to achieve the above object, the present invention further provides a system for transporting a component into and out of a warehouse, the system comprising an induction door body disposed at an entrance and an exit of the component transport, an RFID acquisition device disposed between a loading point and an empty packaging container placement area of a production line, a memory, a processor, and a computer program stored in the memory and operable on the processor, wherein: the computer program realizes the steps of the component in-out warehouse transportation method described above when being executed by the processor.
In order to achieve the above object, the present invention further provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the component warehousing and transportation method as described above.
According to the method, in the process that the AGV carries parts back and forth, height data of the AGV passing through the induction door body relative to the area below the top of the door body are obtained; acquiring a height variation trend corresponding to the AGV according to height data of the AGV when the AGV passes through the induction door body currently and passes through the induction door body last time; when the height variation trend is reduced, triggering the AGV to execute a first conveying instruction to convey the parts at a forward loading point; and when the height variation trend is ascending, triggering the AGV to execute a discharging instruction so as to convey the loaded parts to the designated storage position. Wherein, confirm that AGV needs to go to the storehouse position and unload or go to the loading point and load through the high variation trend that obtains the adjacent twice transport portion article of AGV, realized the automatic intelligent scheduling of AGV dolly, do not need manual control. In general, unmanned and intelligent automatic warehousing and ex-warehousing are realized, and the whole intelligent logistics system is improved.
Drawings
FIG. 1 is a schematic diagram of an apparatus in a hardware operating environment according to an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating a component warehouse-in and warehouse-out transportation method according to an embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, fig. 1 is a schematic device structure diagram of a hardware operating environment according to an embodiment of the present invention.
The terminal in the embodiment of the present invention is a system for carrying components into and out of a warehouse, and may specifically be a PC, a server, a smart phone, a tablet computer, an electronic book reader, an MP3(Moving Picture Experts Group Audio Layer III, Moving Picture Experts compression standard Audio Layer 3) player, an MP4(Moving Picture Experts compression standard Audio Layer IV, Moving Picture Experts compression standard Audio Layer 4) player, a portable computer, and other mobile terminal devices having a display function.
As shown in fig. 1, the terminal may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Optionally, the terminal may further include a camera, a Radio Frequency (RF) circuit, a sensor, an audio circuit, a WiFi module, and the like. Such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor that adjusts the brightness of the display screen based on the ambient light level and a proximity sensor that turns off the display screen and/or backlight when the hardware device is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the motion sensor is stationary, and can be used for applications (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration) for recognizing the attitude of hardware equipment, and related functions (such as pedometer and tapping) for vibration recognition; of course, the hardware device may also be configured with other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, and so on, which are not described herein again.
Those skilled in the art will appreciate that the terminal structure shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
Further, the component warehousing and transportation system may include, in addition to the above-described components, an AGV (Automated Guided Vehicle) equipped with an automatic guide device such as an optical device, a sensing door body provided at a component transportation entrance, a packaging container on which components are loaded, a server, and an RFID (Radio Frequency Identification) acquisition device provided between an empty packaging container placement area and a loading point.
AGVs, also known as AGVs, are automated guided vehicles that utilize electromagnetic induction, laser, or magnet-gyro guidance, and can transport parts from a designated location to another designated location instead of transporting personnel. However, in the prior art, the control of the AGVs is often limited by the size of the field, that is, the AGVs are generally applied to a predetermined route with a short simple route, and for the warehousing and delivery of parts in a logistics system, the AGVs have numerous goods and loading and unloading requirements, and how to realize flexible scheduling of the AGVs is also one of the problems that the present application intends to solve.
The induction door body is arranged at the part conveying access, and is easy to understand that the part conveying access is arranged in an access channel between a cargo loading point and a storehouse where a storehouse is located. The induction door body can perform height scanning through height induction devices such as an infrared sensor and a 3D scanning device, and then height data from the ground of the entrance and the exit to the top of the AGV are obtained. It can be understood that, when the AGV carries a part, the height is higher than that in the case of no load, further, when the AGV returns an empty packaging container to a loading point, and then the logistics vehicle returns the empty packaging container to a supplier, the height data of the AGV may be consistent with the height of the loaded goods, but may further be confirmed by the weight carried by the AGV, and the weight when the part is supposed to be carried is greater than the weight of the loaded empty packaging container, so that it may be accurately determined whether to trigger the AGV to execute an unloading instruction or a transporting instruction, which is not described herein repeatedly.
The packaging container for loading the parts is provided with an RFID chip, and RFID information is prestored in the RFID chip and can comprise at least one of part types, part numbers, part supplier identifications, part specification data and packaging container specification data of the loaded parts. The packaging container can be reused, can be made of iron or rigid plastics, and can be arranged into a cuboid or cage shape. It should be noted that each packaging container is unique and corresponds to a preset component type, and the change of the transportation, shipment, warehouse entry and warehouse exit of the whole logistics system cannot be caused, so that the full data chain closed-loop control of a subsequent logistics system is ensured.
The server is a control center of the whole part warehouse-in and warehouse-out conveying system, can integrally control the whole warehouse-in and warehouse-out conveying system and even the running state of the whole logistics system through the communication data transmission of other parts, further summarizes data according to the obtained running state, knows the progress of product supply to each link, and helps to assist the stable running of production links. On the other hand, the server can send various instructions to trigger the AGV, the acquisition device and the like, and control other components to stably operate according to the plan.
The RFID acquisition device is arranged between the empty packaging container placing area and the loading point, can be directly integrated with the induction door body, also can be arranged between the induction door body and the loading point, or is arranged on the position area which is independently set between the induction door body and the empty packaging container placing area, or can be directly arranged on the empty packaging container placing area. The device can collect the preset RFID information of the empty packaging container, further know the original part type loaded by the packaging container when loading parts, and further timely and correctly supplement the parts in the production and use process.
In conclusion, through the matching arrangement of all the components of the part warehouse-in and warehouse-out conveying system, the automation, unmanned and intelligent operation of logistics conveying are realized from the aspects of checking and checking the parts, automatically dispatching the AGV trolley, correctly and timely supplementing the produced parts, classifying and warehousing the parts and the like, and the whole application of intelligent manufacturing and industrial 4.0 to a logistics system is perfected.
It should be noted that the process and specific embodiment of the system for transporting the application components into and out of the warehouse are substantially the same as the following embodiments of the method for transporting the application components into and out of the warehouse, and are not described herein again.
Referring to fig. 2, in an embodiment of the component warehouse-in and warehouse-out transportation method of the present invention, the method includes the following steps:
step S10, acquiring height data of the AGV passing through the induction door body relative to an area below the top of the door body in the process of transporting the parts to and fro by the AGV;
step S20, acquiring a height variation trend corresponding to the AGV according to height data of the AGV passing through the induction door body currently and passing through the induction door body last time;
step S30, when the height variation trend is reduced, triggering the AGV to execute a first conveying instruction to convey the parts to a loading point;
and step S40, when the trend of height change is rising, triggering the AGV to execute a discharging instruction so as to convey the loaded parts to a designated storage position.
This embodiment is applied to the warehouse entry and exit transport system of parts, and AGV can come and go to the storehouse that dress goods point and storehouse position are located when the operation, and both are kept apart through the warehouse entry and exit of parts transport of induction door body place. Further, the AGV may travel in sequence from the loading point, the storage location, and the empty packaging container placement area, and then back to the loading point for sequential cycles. It should be noted that, the empty packaging container placing area and the storage location are both located in the storage, the loading point is located outside the storage, the AGV must pass through the induction door body in the process of reciprocating, in the process of passing through the induction door body twice, if the AGV is going to load, the AGV must unload before, the height variation trend of the AGV is reduced, after the induction door body feeds back the height data of the two adjacent times, the height variation trend is determined by the server to be reduced, the AGV is dispatched and indicated, so that the AGV is triggered to go to the loading point to carry out part transportation. On the contrary, when the trend of height change is high, the server needs to trigger the AGV to go to the storage location for warehousing the parts.
The specification of the storage position can be only placed in an idle storage position, and the server records the types of the parts stored in the corresponding storage position. Furthermore, the type of the part to be warehoused can be determined before the part is warehoused, and the warehouse location where the type is located can be found according to the type of the part, so that the AGV can directly place the part into the idle warehouse location of the corresponding type. The storage positions can be numbered, the placing sequence is set according to the numbers, and coordination between the use and the storage of the parts is guaranteed.
When the parts are put into the warehouse according to the part types, after the verification is completed, the part types of the parts corresponding to the packaging container are determined according to the preset RFID information, so that the warehouse positions corresponding to the part types are determined, and a discharging instruction comprising the warehouse positions is sent to the AGV, so that the AGV can convey the loaded parts to the warehouse positions appointed by the discharging instruction. The positions of the part storehouses are placed according to types, so that the classified arrangement of the storehouses is facilitated.
Referring to the foregoing description of the AGV operation flow, it can be found that after the parts are transported to the designated storage location and the parts are put into storage, the parts will go to the empty packaging container placement area, which is to return the empty packaging containers reserved after the parts are used in production to the supplier through the logistics vehicle, so as to save the transportation cost. When the AGV carries the loaded part to the appointed storage position, the AGV can send a completion state instruction to the server, the server detects the AGV carries the loaded part to the appointed storage position, and then triggers the AGV to execute a second carrying instruction, and the AGV goes to an empty packaging container placing area at the edge position of a production line and carries empty packaging containers to a loading point. Alternatively, the AGV may transport one packaging container at a time, or may transport multiple packaging containers.
Further, since there are many suppliers, especially for automobile manufacturers, and there are many parts involved, the packaging container can distinguish different supplier identifications for identifying the attribution of the packaging container. Before the AGV goes to the loading point from the empty packaging container placing area, the AGV can also judge which suppliers the truck orders which are stopped at the current loading point are, and select the empty packaging container of the current warehousing order supplier when selecting the empty packaging container, namely, an RFID collecting device can be arranged in the empty packaging container placing area at the moment, and the device can be the same as the RFID collecting device used for supplementing part materials. And then in the process of going from the empty packaging container placing area to the loading point through the induction door body or after the empty packaging container is selected, the server stores the acquired and identified RFID information so as to store the RFID information into the form corresponding to the part supplier identification of the packaging container, and the form is fed back to the corresponding part supplier according to the part supplier identification until all parts in the current warehousing order are completely detected, so that the supplier is informed of which packaging containers are empty and can return to the extraction in time, and the surplus stock demand is met, and the full closed-loop control based on the packaging container RFID information is realized.
When the preset RFID information identification is performed through the induction door and the information is stored in the table, the method can comprise the following steps: when the height variation trend is reduced, acquiring part supplier identification corresponding to the packaging container according to the identified preset RFID information; and storing the identified preset RFID information into a table corresponding to the part supplier identification of the packaging container, and feeding back the table to the corresponding part supplier according to the part supplier identification when all parts in the current warehousing order are completely detected.
On the other hand, as the empty packaging container is generated, parts of the production line are necessarily required to be supplemented, so that in the process that the AGV carries the empty packaging container from the empty packaging container placing area to the loading point, the preset RFID information of the empty packaging container currently carried by the AGV is determined through the RFID acquisition device, and the type of the original part corresponding to the empty packaging container is determined according to the preset RFID information; where the original part type refers to the part type of the package previously designated for empty packaging containers and is used herein only to aid in differentiation. And generating an ex-warehouse scheduling instruction comprising the original part type so as to trigger other idle AGVs to transfer the parts corresponding to the original part type in the ex-warehouse scheduling instruction from the storage position to the used part placing area corresponding to the production line. It should be noted that other AGVs may be AGVs between the empty packaging container placement area and the use component placement area and the storage space for the shuttle line, and the trigger scheduling may be performed by the server. After the empty packaging container is taken away, the parts are triggered to be replenished, so that the parts of the production line can be replenished in time.
It should be noted that, in the existing logistics system, there is a process before the goods are put in storage, that is, the manual process is used to perform the part verification before the goods are put in storage, so as to ensure that the quantity of the goods put in storage is consistent with the order issued by the supplier or the list of the goods in the batch fed back by the supplier. Compared with the prior art, the automatic layout setting is also realized for acceptance checking, specifically, when the part passes through the induction door body or when the height trend is determined to be rising, the preset RFID information of the packaging container for loading the part on the AGV is identified, based on the description of the packaging container, the preset RFID information corresponds to the specification data of the packaging container and the part, based on the specification of the packaging container, the overall height data of the current part loaded on the AGV can be obtained, and then the overall height data can be obtained by combining the overall height data with the known height of the AGV, so that the overall height data and the height data obtained by a 3D scanning technology and the like are compared for checking, when the data difference between the two data is not large, for example, the difference value is less than or equal to a preset threshold value, and the checking can be considered to be passed. It will be appreciated that the high degree of confirmation enables component verification from both quantity and type due to the strict mapping between packaging containers and components. Therefore, the step of verifying the parts loaded on the AGV according to the height data of the AGV passing through the induction door body and the specification data may include:
calculating the total height data of the AGV when bearing the parts according to the specification data; and when the difference value between the total height data and the height data of the AGV currently passing through the induction door body is smaller than or equal to a preset threshold value, the verification is determined to be completed.
In order to ensure the accuracy of the verification, the weight data of the packaging container and the parts can be obtained from the preset RFID information on the basis, the ideal load-bearing part weight data and the volume of the AGV are correspondingly obtained by combining the specification data, and when the actual load-bearing part weight of the AGV is close to the ideal load-bearing part weight, the verification is determined to be passed; and/or performing an assessment of the volume occupied by a single packaging container, any one not meeting the corresponding volume size, and failing the inspection acceptance. It should be further noted that if and only after the inspection is passed, the AGV can be triggered to execute the unloading instruction, and if the inspection is not passed, an alarm can be sent to the server to notify the staff to go to the inspection.
The AGV needs to go to the storehouse position to unload or go to the loading point to load through the high variation trend of obtaining the adjacent twice transport portion article of automatic AGV, has realized the automatic dispatch of AGV dolly, does not need manual control. And further before the AGV goes to the warehouse for unloading, the specification and the height variation trend of a packaging container between the AGV and the part are combined, and the part is checked and received, so that automatic checking is realized. In general, automatic check-up and check-up, unmanned and intelligent warehouse entry and exit are realized, and the whole intelligent logistics system is improved.
Optionally, in another embodiment, when the comparison is completed through the height data, that is, when a difference between the total height data and the height data of the AGV currently passing through the induction door body is less than or equal to a preset threshold, the update of the order quantity by checking may specifically include the following steps:
when the difference value between the total height data and the height data of the AGV currently passing through the induction door body is smaller than or equal to a preset threshold value, acquiring the part type corresponding to each packaging container borne by the AGV according to the identified preset RFID information so as to count all the part types on the AGV and the number of parts to be detected corresponding to each part type;
judging whether all the part types on the AGV exist in the part types of the current warehousing order or not;
if yes, the part types in the current warehousing order are considered to be successfully matched with all the part types on the AGV; otherwise, the match fails. And when the matching is successful, checking the quantity of the parts to be warehoused corresponding to each part type in the current warehousing order according to the quantity of the parts to be checked corresponding to each part type so as to finish the checking.
According to the method and the device, on the basis that the height data meet the requirement conditions, the number of the parts required by the order is calculated in detail according to the preset RFID information read and identified through the induction door every time, and the number of the parts to be detected in the order is updated every time one AGV passes. It can be understood that the current order includes all part types provided by a supplier and the number of parts to be warehoused corresponding to each part, under the condition that the parts are not warehoused, the number of the parts to be warehoused is consistent with the number of the parts of the corresponding types provided by the supplier, after the AGV passes through the induction door body and comparison and verification of height data are completed, all the part types borne and the number to be warehoused corresponding to each part type can be obtained according to preset RFID information of the part packaging container on the AGV at that time, and therefore the parts to be warehoused in the order are subjected to censoring. Specifically, when the checking is carried out, the number of the parts to be warehoused in the current warehousing order, which is consistent with the part types of all the parts on the AGV, can be identified, and the number of each identified part to be warehoused is reduced by the corresponding number of the part to be inspected, so that the number of the parts to be warehoused in the current warehousing order is updated. It should be further noted that, when the quantity to be put into a warehouse corresponding to one part type is 0, the part type may be deleted from the order, so as to prevent the extra products from being put into the warehouse and the extra operations of searching for the identifiers.
According to the method and the system, the order data are verified and updated, the warehousing progress of the parts can be known in time, manual verification is replaced, and the investment of labor cost is reduced.
The invention also proposes a computer-readable storage medium on which a computer program is stored. The computer-readable storage medium may be the Memory 20 in the terminal in fig. 1, and may also be at least one of a ROM (Read-Only Memory)/RAM (Random Access Memory), a magnetic disk, and an optical disk, and the computer-readable storage medium includes several instructions for enabling a terminal device (which may be a mobile phone, a computer, a server, a terminal, or a network device) having a processor to execute the method according to the embodiments of the present invention.
It is to be understood that throughout the description of the present specification, reference to the term "one embodiment", "another embodiment", "other embodiments", or "first through nth embodiments", etc., is intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A part warehouse-in and warehouse-out conveying method is characterized by being applied to a part warehouse-in and warehouse-out conveying system, wherein the system comprises an induction door body arranged at a part conveying inlet and outlet, and the method comprises the following steps:
in the process that the AGV carries parts back and forth, acquiring height data of the AGV relative to an area below the top of a door body when passing through an induction door body;
acquiring a height variation trend corresponding to the AGV according to height data of the AGV when the AGV passes through the induction door body currently and passes through the induction door body last time;
when the height variation trend is reduced, triggering the AGV to execute a first conveying instruction to convey the parts at a forward loading point;
and when the height variation trend is ascending, triggering the AGV to execute a discharging instruction so as to convey the loaded parts to the designated storage position.
2. The parts warehouse entry/exit conveying method according to claim 1, characterized in that the parts are loaded by a packaging container;
when the trend of the height change is ascending, the step of triggering the AGV to execute a discharging instruction so as to convey the loaded parts to the designated storage position comprises the following steps:
when the height variation trend is rising, reading preset RFID information of an upper article packaging container of the AGV when the upper article packaging container passes through the induction door body, wherein the preset RFID information is correspondingly recorded by a part supplier before shipment;
determining the type of the parts of the packaging container corresponding to the parts according to the preset RFID information so as to determine a storage position corresponding to the type of the parts, and sending a discharging instruction comprising the storage position to the AGV, so that the AGV can convey the loaded parts to the storage position appointed by the discharging instruction.
3. The method of component in-out library transport of claim 2 wherein, following said step of triggering said AGV to execute a discharge command to transport the loaded component to the designated library location, further comprising:
after detecting that the AGV carries the loaded parts to the designated storage location, triggering the AGV to execute a second carrying instruction so as to go to an empty packaging container placing area corresponding to the production line to carry the empty packaging container to a loading point.
4. The part warehouse entry and exit handling method according to claim 3, wherein the part warehouse entry and exit handling system further comprises an RFID collecting device disposed between the empty packing container placement area and the loading point;
the method further comprises the steps of:
in the process that the AGV carries the empty packaging container from the empty packaging container placing area to a loading point, determining preset RFID information of the empty packaging container currently carried by the AGV through an RFID acquisition device, and determining the type of an original part corresponding to the empty packaging container according to the preset RFID information;
and generating an ex-warehouse scheduling instruction comprising the original part type so as to trigger other idle AGVs to transfer the parts corresponding to the original part type in the ex-warehouse scheduling instruction from the warehouse location to the used part placing area corresponding to the production line.
5. The component in-out library conveying method according to any one of claims 2 to 4, wherein the following steps are performed while the step of acquiring height data of an area below the top of the door body when the AGV passes through the induction door body is performed during the process of conveying the component to and from the AGV:
recognizing preset RFID information of a load-bearing packaging container on the AGV through the induction door body;
the method further comprises the steps of:
when the height variation trend is rising, acquiring the part type and the part number corresponding to each packaging container borne by the AGV according to the identified preset RFID information so as to count all the part types on the AGV and the part number to be detected corresponding to each part type, and matching the part types in the current warehousing order with all the part types on the AGV;
and if the part types in the current warehousing order are successfully matched with all the part types on the AGV, checking and reducing the quantity of the parts to be warehoused corresponding to each part type in the current warehousing order according to the quantity of the parts to be inspected corresponding to each part type to finish part inspection.
6. The method for warehousing and transporting parts according to claim 5, wherein the step of matching the part types in the current warehousing order with all the part types on the AGV comprises:
judging whether all the part types on the AGV exist in the part types of the current warehousing order or not;
if yes, matching the part types in the current warehousing order with all part types on the AGV successfully;
if not, matching the part types in the current warehousing order with all the part types on the AGV fails.
7. The part warehousing and transportation method as claimed in claim 6, wherein the step of checking the number of parts to be warehoused corresponding to each part type in the current warehousing order according to the number of parts to be inspected corresponding to each part type comprises:
and marking the quantity of the parts to be warehoused in the current warehousing order, which is consistent with the part types of all the parts on the AGV, and respectively subtracting the quantity of each marked part to be warehoused from the corresponding quantity of the part to be inspected so as to update the quantity of the parts to be warehoused in the current warehousing order.
8. The part warehouse-in/warehouse-out conveying method according to claim 5, characterized by further comprising:
when the height variation trend is reduced, acquiring part supplier identification corresponding to the packaging container according to the identified preset RFID information;
and storing the identified preset RFID information into a table corresponding to the part supplier identification of the packaging container, and feeding back the table to the corresponding part supplier according to the part supplier identification when all parts in the current warehousing order are completely detected.
9. The part warehouse-in and warehouse-out conveying system is characterized by comprising an induction door body arranged at a part conveying and warehouse-out opening, an RFID acquisition device arranged between a loading point and an empty packaging container placing area of a production line, a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein: the computer program, when executed by the processor, implements the steps of the component in/out library transport method according to any one of claims 1 to 8.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which, when being executed by a processor, implements the steps of the parts warehousing and transportation method according to any one of claims 1 to 8.
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