CN114002969A - RFID lifting acquisition device and acquisition system - Google Patents
RFID lifting acquisition device and acquisition system Download PDFInfo
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- CN114002969A CN114002969A CN202111048237.3A CN202111048237A CN114002969A CN 114002969 A CN114002969 A CN 114002969A CN 202111048237 A CN202111048237 A CN 202111048237A CN 114002969 A CN114002969 A CN 114002969A
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- 230000003028 elevating effect Effects 0.000 description 3
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The application discloses RFID goes up and down collection system and collection system. RFID lift collection system includes: the control unit is used for receiving an external data acquisition request to obtain a first control instruction, a second control instruction and a preset acquisition height; the lifting unit is fixed by the fixing unit and used for enabling the RFID unit to move downwards and start to read data information of the RFID label on the target object according to the first control instruction and the second control instruction and then transmitting the data information to the control unit; the feedback unit is arranged on the RFID unit and used for acquiring the distance between the RFID unit and the ground; the control unit is also used for generating a third control instruction according to the distance and the preset acquisition height; the lifting unit enables the RFID unit to move upwards to an initial position and stop reading according to the third control instruction; and the control unit obtains and sends the acquisition feedback information to the outside according to the data information. This application is through gathering RFID label information of position adjustable mode collection, can effectively improve data acquisition efficiency.
Description
Technical Field
The application relates to the field of radio frequency identification, in particular to an RFID lifting acquisition device and an RFID lifting acquisition system.
Background
The radio frequency identification system is a non-contact identification system, and can identify and acquire data related to a target object through radio frequency wireless signals. Rfid systems typically consist of an electronic tag, a reader, and a computer network. The radio frequency identification system uses an electronic tag to identify an object, the electronic tag exchanges data with a reader-writer through radio waves, the reader-writer can transmit a read-write command of a host to the electronic tag and then transmit data returned by the electronic tag to the host, and a data exchange and management system of the host is responsible for finishing storage, management and control of data information of the electronic tag.
In the process of realizing the prior art, the inventor finds that the following technical problems exist:
in the warehouse with the dense goods shelves or the high goods shelves, the data acquisition operation of personnel is inconvenient, the traditional goods RFID data acquisition method is time-consuming and labor-consuming, and the acquisition efficiency is not high.
Therefore, it is necessary to provide a technical solution for RFID data acquisition that effectively improves the acquisition efficiency.
Disclosure of Invention
The embodiment of the application provides a technical scheme for RFID data acquisition, and the RFID data acquisition is carried out in a mode of adjustable acquisition positions, so that the efficiency can be effectively acquired.
The application provides a pair of RFID goes up and down collection system includes:
the control unit is used for receiving an external data acquisition request and processing the external data acquisition request to obtain a first control instruction, a second control instruction and a preset acquisition height;
the lifting unit is used for generating a descending acting force according to the first control instruction;
the RFID unit is used for moving downwards from an initial position through the descending acting force, starting to read data information of an RFID label arranged on a target object according to the second control instruction, and transmitting the data information to the control unit;
the feedback unit is arranged on the RFID unit and used for acquiring the distance between the RFID unit and the ground in the movement direction and feeding the distance back to the control unit;
the control unit is further used for calculating an actual acquisition height according to the distance, and generating a third control instruction when the actual acquisition height is matched with the preset acquisition height;
the lifting unit is further used for generating a lifting acting force according to the third control instruction, enabling the RFID unit to move upwards to the initial position, and finishing reading;
the control unit is also used for receiving and processing the data information to obtain acquisition feedback information and sending the acquisition feedback information to the outside;
a fixing unit for fixing the lifting unit;
the control unit is electrically connected with the lifting unit, the RFID unit and the feedback unit;
the lifting unit is respectively connected with the RFID unit and the fixing unit.
Further, the control unit includes:
the network module is used for receiving an external data acquisition request;
the data processing module is used for processing the data acquisition request and generating a first control request, a second control request and a preset acquisition height;
the lifting control module is used for generating a first control instruction according to the first control request;
the RFID control module is used for generating a second control instruction according to the second control request;
the data processing module is further configured to calculate an actual acquisition height according to the distance, and generate a third control instruction when the actual acquisition height matches the preset acquisition height;
the lifting control module is further used for generating a third control instruction according to the third control request;
the data processing module is further configured to process the data information received from the RFID unit to obtain acquisition feedback information, and send the acquisition feedback information to the outside through the network module.
Furthermore, the control unit is also provided with a state acquisition module;
the state acquisition module is used for acquiring state information of the data processing module, the lifting control module, the RFID control module, the lifting unit, the RFID unit and the feedback unit;
the data processing module is further configured to add the state information to the acquisition feedback information.
Furthermore, the control unit is also provided with a working mode switching module;
the working mode switching module is used for switching the working modes of the data processing module, the lifting control module, the RFID control module, the lifting unit, the RFID unit and the feedback unit according to the state information acquired by the state acquisition module.
Further, the lifting unit comprises a base component and a lifting component;
the base component is connected with the lifting component through a lifting control line;
the base part is also connected with the fixing unit;
the lifting component is also connected with the RFID unit;
wherein the base member provides a fixed point for the lifting member; the lifting component generates a descending acting force according to the first control instruction; the lifting member generates a lifting force according to the third control command.
Further, the RFID unit is arranged on the lifting component;
the feedback unit comprises a distance sensor;
the distance sensor is used for acquiring the distance between the RFID unit and the ground in the moving direction and feeding back the distance to the control unit.
Further, the control unit is also used for recording the descending distance of the RFID unit;
and the lifting unit is also used for enabling the RFID unit to move upwards to the initial position according to the descending distance and the ascending acting force.
Further, the control unit is further configured to determine a rising distance of the RFID unit according to the distance fed back by the feedback unit;
and the lifting unit is also used for enabling the RFID unit to upwards move to the initial position according to the ascending distance.
The application also provides a RFID goes up and down to gather the system, includes:
at least 1 RFID lifting and collecting device;
RFID lift collection system includes:
the control unit is used for receiving an external data acquisition request and processing the external data acquisition request to obtain a first control instruction, a second control instruction and a preset acquisition height;
the lifting unit is used for generating a descending acting force according to the first control instruction;
the RFID unit is used for moving downwards from an initial position through the descending acting force, starting to read data information of an RFID label arranged on a target object according to the second control instruction, and transmitting the data information to the control unit;
the feedback unit is arranged on the RFID unit and used for acquiring the distance between the RFID unit and the ground in the movement direction and feeding the distance back to the control unit;
the control unit is further used for calculating an actual acquisition height according to the distance, and generating a third control instruction when the actual acquisition height is matched with the preset acquisition height;
the lifting unit is further used for generating a lifting acting force according to the third control instruction, enabling the RFID unit to move upwards to the initial position, and finishing reading;
the control unit is also used for receiving and processing the data information to obtain acquisition feedback information and sending the acquisition feedback information to the outside;
a fixing unit for fixing the lifting unit;
the control unit is electrically connected with the lifting unit, the RFID unit and the feedback unit;
the lifting unit is respectively connected with the RFID unit and the fixing unit;
a server side;
a power supply device;
the RFID lifting acquisition device is connected with the server side through a network;
the power supply device provides power for the RFID lifting and collecting device.
Further, the power supply device includes:
a strong current input terminal for introducing external strong current;
and the at least 1 weak current output end is used for providing a special power supply for the RFID lifting and collecting device in a one-to-one manner.
The embodiment provided by the application has at least the following technical effects:
RFID label information is collected in a mode of adjusting the collection position, and data collection efficiency can be effectively improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an RFID lifting and collecting device provided in an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, an RFID lifting and collecting device 100 provided by the present application provided in an embodiment of the present application includes:
the control unit 11 is used for receiving an external data acquisition request and processing the external data acquisition request to obtain a first control instruction, a second control instruction and a preset acquisition height;
the lifting unit 12 is used for generating a descending acting force according to the first control instruction;
the RFID unit 13 is used for moving downwards from an initial position through the descending acting force, starting to read data information of an RFID label arranged on a target object according to the second control instruction, and transmitting the data information to the control unit 11;
a feedback unit 14 disposed on the RFID unit 13, configured to obtain a distance between the RFID unit 13 and the ground in a moving direction, and feed the distance back to the control unit 11;
the control unit 11 is further configured to calculate an actual acquisition height according to the distance, and generate a third control instruction when the actual acquisition height matches the preset acquisition height;
the lifting unit 12 is further configured to generate a lifting acting force according to the third control instruction, so that the RFID unit 13 moves upward to the initial position, and the reading is finished;
the control unit 11 is further configured to receive and process the data information, obtain acquisition feedback information, and send the acquisition feedback information to the outside;
a fixing unit 15 for fixing the lifting unit 12;
wherein the control unit 11 is electrically connected with the lifting unit 12, the RFID unit 13 and the feedback unit 14;
the lifting unit 12 is connected to the RFID unit 13 and the fixing unit 15, respectively.
It is understood that RFID is an abbreviation of Radio Frequency Identification, i.e., Radio Frequency Identification. The RFID is one of automatic identification technologies, and performs non-contact bidirectional data communication in a radio frequency manner, and reads and writes a recording medium (an electronic tag or a radio frequency card) in a radio frequency manner, thereby achieving the purpose of identifying an object and exchanging data. The application of the RFID is very wide, and typical applications include animal wafers, automobile wafer burglar alarms, access control, parking lot control, production line automation, material management and the like. In a particular application, the RFID lift-and-lower collection device 100 of the present application may be used in a cargo warehouse. For example, in some application scenarios, in order to improve the utilization rate of the warehouse, the space between the shelves for loading goods is very narrow, and it is inconvenient for personnel to enter the passage between the shelves to collect goods information. For another example, some warehouses have a high degree of mechanization, the height of the shelf is mainly used for mechanical operation, and personnel cannot effectively collect goods information on the shelf at a high position. The RFID lift collection device 100 can effectively solve the problems encountered in the above application scenarios.
In a specific implementation process, the control unit 11, the lifting unit 12, the RFID unit 13 and the feedback unit 14 are electrically connected through a conductive wire, a communication wire and the like. The fixing unit 15 has one end fixed to the top of the warehouse and the other end for fixing the lifting unit 12. The fixing unit 15 needs to provide the lifting unit 12 with a horizontal fixing position as much as possible so that the lifted portion of the lifting unit 12 can be kept stable during the lifting operation. The movable portion of the lifting unit 12 is connected to the RFID unit 13 for fixing the RFID unit 13. The lifting unit 12 is configured to lift and lower the position of the RFID unit 13 according to a command.
In the process of collecting the cargo information, the control unit 11 can receive an external data collecting request through a network, a serial port or a bluetooth mode, and the like, and analyze and process the data collecting request through a function module arranged in the control unit 11, so that a lifting control instruction of the lifting unit 12, a collecting control instruction of the RFID unit 13 and a preset collecting height during information collecting can be obtained. The lifting control command can be understood as a first control command in the application, and the collecting control command can be understood as a second control command.
The control unit 11 here receives the elevation control command and transmits the command to the elevation unit 12 via a data line. The lifting unit 12 generates a downward driving force according to the lifting control command, and drives the RFID unit 13 to descend toward the ground. The driving force here can be understood as a lowering force.
When the RFID unit 13 starts to descend, the data acquisition function is activated according to the acquisition control command, the data information of the RFID tag provided on the object in the target area is read, and the read data information is continuously transmitted to the control unit 11. During the descent, the RFID unit 13 performs an operation of continuously reading data information. It is apparent that the RFID unit 13 requires information feedback during descent to confirm the distance between the RFID unit 13 and the ground.
In the present application, the feedback unit 14 is used to monitor the distance between the RFID unit 13 and the ground. The detection site of the feedback unit 14 here is mounted on the RFID unit 13, facilitating accurate acquisition of the distance between the RFID unit 13 and the ground. The feedback unit 14 may perform the distance monitoring in real time or may start the distance monitoring when the RFID unit 13 is ready to descend from the initial position. The feedback unit 14 acquires the distance and transmits the distance to the control unit 11 in real time.
The control unit 11 calculates the acquired distance between the RFID unit 13 and the ground, and may obtain the actual acquisition height. The actual collecting height and the preset collecting height can be set according to actual conditions, and can be the height between the ground and the RFID unit 13, or the distance between the RFID unit 13 and the fixing unit 15. When the actual collecting height is within the error range allowed by the preset collecting height, it can be regarded as that the actual collecting height and the preset collecting height are matched, and at this time, the control unit 11 generates an ascending control command and transmits the command to the lifting unit 12. The rising control command here can be understood as a third control command.
The lifting unit 12 here generates a lifting force for lifting the RFID unit 13 in accordance with the received lifting control command. The RFID unit 13 is moved to the initial position of the very beginning by the lifting force. The RFID unit 13 remains in the reading operation during the ascent, and the reading is not stopped until it is moved to the initial position. The control unit 11 may continuously receive the data information, then perform a unified processing to obtain the acquisition feedback information, and then send the acquisition feedback information to the outside. Obviously, the control unit 11 herein may also process the received data information in real time and continuously send the collected feedback information obtained by continuous processing to the outside. Obviously, RFID unit 13 that can go up and down through setting up continues to read the RFID label information on the goods, can effectively improve the data acquisition efficiency of goods.
Further, in a preferred embodiment provided herein, the control unit 11 includes:
the network module is used for receiving an external data acquisition request;
the data processing module is used for processing the data acquisition request and generating a first control request, a second control request and a preset acquisition height;
the lifting control module is used for generating a first control instruction according to the first control request;
the RFID control module is used for generating a second control instruction according to the second control request;
the data processing module is further configured to calculate an actual acquisition height according to the distance, and generate a third control instruction when the actual acquisition height matches the preset acquisition height;
the lifting control module is further used for generating a third control instruction according to the third control request;
the data processing module is further configured to process data information received from the RFID unit 13 to obtain acquisition feedback information, and send the acquisition feedback information to the outside through the network module.
It can be understood that the control unit 11 in the RFID lifting and collecting device 100 is a unit for data processing and control, and a plurality of functional modules may be partitioned inside the RFID lifting and collecting device. In consideration of convenience and operability of the whole device in the implementation process, the application realizes receiving an external data acquisition request in a network communication mode by setting the network module. Obviously, the network communication can adopt a wireless or wired mode. In consideration of the signal shielding and signal interference effects of the warehousing environment on wireless signals, in a preferred embodiment provided by the present application, the receiving of the external data acquisition request is implemented in a wired manner. Preferably, a super-six type of network cable can be selected as the network transmission medium. The network transmission in a wired mode can effectively improve the stability of data transmission in the warehousing environment, and meanwhile, the network can be covered to all required corners. The network module, the data processing module, the lifting control module and the RFID control module are arranged respectively, so that the modular design of functions is realized, the system maintenance and implementation are facilitated, and the maintenance and implementation cost can be effectively reduced.
Specifically, in a preferred embodiment provided in the present application, the control unit 11 is further provided with a state obtaining module;
the state acquiring module is configured to acquire state information of the data processing module, the lifting control module, the RFID control module, the lifting unit 12, the RFID unit 13, and the feedback unit 14;
the data processing module is further configured to add the state information to the acquisition feedback information.
In the present application, the control unit 11 here may acquire the status information of each working unit and module by setting a status acquisition module. The state information here may be working, idle, dormant or failure states, and may be specified in a code form, for example: setting a code 00 to work correspondingly, and indicating normal work; setting the code 01 to be idle correspondingly, and indicating that no work is performed; setting a code 02 corresponding to sleep, which represents standby sleep; the set code 03 corresponds to a fault, which indicates that the normal work cannot be performed, the fault occurs, and the maintenance is required. Obviously, the state information needs to be fed back to the operator in time so as to perform corresponding operations according to the corresponding states. The state information can be processed and added into the collected feedback information through the data processing module, so that the state information can be timely fed back to an operator. By arranging the state acquisition module, an operator can acquire the detailed state of the RFID lifting acquisition device 100 in time, so that the working efficiency is improved.
Further, in a preferred embodiment provided by the present application, the control unit 11 is further provided with a working mode switching module;
the working mode switching module is configured to switch the working modes of the data processing module, the lifting control module, the RFID control module, the lifting unit 12, the RFID unit 13, and the feedback unit 14 according to the state information acquired by the state acquisition module.
It is understood that the data processing module, the lifting control module, the RFID control module, the lifting unit 12, the RFID unit 13 and the feedback unit 14 consume corresponding resources during normal operation. In practical application scenarios, the RFID lift collection device 100 does not always perform data collection. In this regard, the working mode of the corresponding working unit and module can be switched according to the actual working requirement, for example, when the lifting control module displays an idle state after the lifting operation is finished, the lifting control module can be switched to a sleep power-saving mode according to the actual situation; when the RFID unit 13 reads data, if the RFID unit is in a fault state due to a fault, the RFID unit 13 can be switched to a shutdown state according to specific conditions; the feedback unit 14 may also be switched to the shutdown state by the operating mode switching module when in the fault state. Obviously, the above is only an example of a partial situation, and in an actual working process, the corresponding switching mode may be adjusted according to actual needs. Obviously, by arranging the working mode switching module, the invalid operation of the device can be effectively avoided, so that the aims of saving energy and effectively slowing down the aging of each component in the device are fulfilled.
Further, in a preferred embodiment provided herein, the lifting unit 12 includes a base member, a lifting member;
the base component is connected with the lifting component through a lifting control line;
the base part is also connected with the fixing unit 15;
the lifting component is also connected with the RFID unit 13;
wherein the base member provides a fixed point for the lifting member; the lifting component generates a descending acting force according to the first control instruction; the lifting member generates a lifting force according to the third control command.
The base member is mainly used to be fixedly connected with the fixing unit 15, to provide a supporting force for the lifting member, and to maintain smooth operation of the lifting member. The lifting assembly herein provides a stable movable support platform for the RFID unit 13 by being fixedly attached to the RFID unit 13. The lifting component generates a downward descending acting force under the driving of the lifting control line after receiving the first control instruction. The RFID unit 13 moves downward together with the elevating member after receiving a downward lowering force. The lifting component generates an upward lifting acting force under the driving of the lifting control line after receiving a third control command. The RFID unit 13 moves upward together with the elevating member after receiving an upward elevating force. In actual operation, the base member is fixed in position, and the lifting member moves up and down with the RFID unit 13 under the action of the lift control wire. Preferably, when the lifting component moves up and down, the lifting component needs to be kept horizontal as much as possible, so that the RFID unit 13 can work in the horizontal direction, and the problem that the information of part of goods is difficult to acquire because the RFID unit 13 is low on one side and high on the other side is avoided.
Further, in a preferred embodiment provided herein, the RFID unit 13 is disposed on the lifting member;
the feedback unit 14 includes a distance sensor;
the distance sensor is used for acquiring the distance between the RFID unit 13 and the ground in the moving direction and feeding back the distance to the control unit 11.
It will be appreciated that a distance sensor may be used to monitor the distance between items. The RFID unit 13 here may be arranged on the outside of the lifting member towards the ground part. Obviously, the RFID unit 13 at this time is a component of the RFID elevation collection apparatus 100, the movable part of which is closest to the ground. The ground-facing portion of the feedback unit 14 for monitoring the distance may be maintained in the same horizontal plane as the ground-facing portion of the RFID unit 13. The ground-facing portion of the feedback unit 14 for monitoring the distance may be referred to herein as a distance sensor, and the distance from the ground monitored by the distance sensor may be regarded as the distance of the RFID unit 13 from the ground. The distance sensor can be connected directly to the control unit 11, and the monitored distance can be transmitted directly to the control unit 11. Through the setting of distance sensor, can in time provide the distance between RFID unit 13 and the ground to the control unit 11 to carry out corresponding lift control for control unit 11 and provide the operation foundation, effectively reduce the operating fault.
Further, in a preferred embodiment provided by the present application, the control unit 11 is further configured to record a descending distance of the RFID unit 13;
the lifting unit 12 is further configured to move the RFID unit 13 upward to the initial position according to the descending distance and the ascending acting force.
The RFID unit 13 here continues to perform data acquisition operations during both the descent and ascent, where the descent distance and ascent distance are equal. Obviously, after knowing the fall distance, the corresponding rise distance can be known. Preferably, the control unit 11 records the descending distance of the corresponding RFID unit 13 when the RFID unit 13 is descended. The lifting unit 12 controls the RFID unit 13 to move to the initial position according to the recorded descending distance by the control unit 11 when the RFID unit 13 is lifted by the lifting force. The ascending distance is directly determined by the descending distance, so that the calculation amount of the control unit 11 is effectively reduced, and the calculation load of the device is reduced.
Specifically, in a preferred embodiment provided by the present application, the control unit 11 is further configured to determine a rising distance of the RFID unit 13 according to the distance fed back by the feedback unit 14;
the lifting unit 12 is further configured to move the RFID unit 13 upward to the initial position according to the lifting distance.
The RFID unit 13 here continues to perform data acquisition operations during both the descent and ascent, where the descent distance and ascent distance are equal. Obviously, after knowing the fall distance, the corresponding rise distance can be known. Obviously, the RFID unit 13 is at the initial position when just beginning to descend, and the distance fed back by the feedback unit 14 at this time can be regarded as the initial distance between the RFID unit 13 and the ground. When the RFID unit 13 ascends, the control unit 11 matches the distance output by the feedback unit 14 with the initial distance in real time. When the two match, the control unit 11 controls the lifting unit 12 to stop operating. At this time, the RFID unit 13 is restored to the original position. The ascending distance is directly determined by the descending distance, so that the calculation amount of the control unit 11 is effectively reduced, and the calculation load of the device is reduced.
In a particular implementation, a contact sensing device may also be provided between the base member and the lifting member for detecting whether the RFID unit 13 is in the initial position.
Further, in a preferred embodiment provided in the present application, the fixing unit 15 is of an inverted T-shaped structure.
The fixing unit 15 with the inverted T-shaped structure has a simple structure and is convenient to install and maintain. It should be noted that the fixing unit 15 of the inverted T-shaped structure is installed to a position where it is necessary to keep the portion for fixing the lifting unit 12 at the same level as much as possible, so as to provide an effective horizontal fixing platform for the lifting unit 12, and it is easy to make the whole apparatus not to be inclined during operation, and effectively collect data information of cargos in all target areas.
Above for the RFID lift collection system 100 that this application embodiment provided, based on same thinking, this application embodiment still provides including above-mentioned RFID lift collection system 100.
An RFID lift collection system, comprising:
at least 1 RFID lift collection device 100;
the RFID lifting and collecting device 100 includes:
the control unit 11 is used for receiving an external data acquisition request and processing the external data acquisition request to obtain a first control instruction, a second control instruction and a preset acquisition height;
the lifting unit 12 is used for generating a descending acting force according to the first control instruction;
the RFID unit 13 is used for moving downwards from an initial position through the descending acting force, starting to read data information of an RFID label arranged on a target object according to the second control instruction, and transmitting the data information to the control unit 11;
a feedback unit 14 disposed on the RFID unit 13, configured to obtain a distance between the RFID unit 13 and the ground in a moving direction, and feed the distance back to the control unit 11;
the control unit 11 is further configured to calculate an actual acquisition height according to the distance, and generate a third control instruction when the actual acquisition height matches the preset acquisition height;
the lifting unit 12 is further configured to generate a lifting acting force according to the third control instruction, so that the RFID unit 13 moves upward to the initial position, and the reading is finished;
the control unit 11 is further configured to receive and process the data information, obtain acquisition feedback information, and send the acquisition feedback information to the outside;
a fixing unit 15 for fixing the lifting unit 12;
wherein the control unit 11 is electrically connected with the lifting unit 12, the RFID unit 13 and the feedback unit 14;
the lifting unit 12 is respectively connected with the RFID unit 13 and the fixing unit 15;
a server side;
a power supply device;
the RFID lifting acquisition device 100 is connected with the server through a network;
the power supply device provides power for the RFID lifting and collecting device 100.
It will be appreciated that a typical warehouse of goods is very large in space, requiring multiple RFID acquisition devices 100 to be located within to cover the entire warehouse. The number of RFID collection devices 100 in the present application can be determined according to actual needs. In a specific application scenario, the RFID acquisition device 100 communicates with a server via a network. The line can adopt six types of network cables. The plurality of RFID lifting and collecting devices 100 may be uniformly connected to the switch, and then connected to the corresponding server through the switch. The service end can be a WMS system, an MES system or a general management control platform. Any program capable of sending a data acquisition request to the RFID acquisition device 100 may be the server. The RFID collection device 100 herein may be powered by a separate power supply.
Further, in a preferred embodiment provided herein, the power supply device includes:
a strong current input terminal for introducing external strong current;
and the at least 1 weak current output end is used for providing a special power supply for the RFID lifting and collecting device 100 in a one-to-one manner.
The power supply device can adopt a weak current centralized management mode, and is relatively safe and more convenient to maintain. It should be noted that the number of the weak current output ends is at least equal to the number of the RFID lifting and collecting devices 100, so as to implement one-to-one dedicated power supply. In an electrical conversion application scenario, particularly in an environment where the temperature of a work place is relatively high, a transformer module for voltage conversion is very easily damaged and needs to be frequently maintained. According to the method and the device, system faults can be reduced, and system maintenance cost and operation cost are reduced through a weak current centralized management mode.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus. 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 apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. An RFID lift collection system, comprising:
the control unit is used for receiving an external data acquisition request and processing the external data acquisition request to obtain a first control instruction, a second control instruction and a preset acquisition height;
the lifting unit is used for generating a descending acting force according to the first control instruction;
the RFID unit is used for moving downwards from an initial position through the descending acting force, starting to read data information of an RFID label arranged on a target object according to the second control instruction, and transmitting the data information to the control unit;
the feedback unit is arranged on the RFID unit and used for acquiring the distance between the RFID unit and the ground in the movement direction and feeding the distance back to the control unit;
the control unit is further used for calculating an actual acquisition height according to the distance, and generating a third control instruction when the actual acquisition height is matched with the preset acquisition height;
the lifting unit is further used for generating a lifting acting force according to the third control instruction, enabling the RFID unit to move upwards to the initial position, and finishing reading;
the control unit is also used for receiving and processing the data information to obtain acquisition feedback information and sending the acquisition feedback information to the outside;
a fixing unit for fixing the lifting unit;
the control unit is electrically connected with the lifting unit, the RFID unit and the feedback unit;
the lifting unit is respectively connected with the RFID unit and the fixing unit.
2. The RFID lift harvester of claim 1, wherein the control unit comprises:
the network module is used for receiving an external data acquisition request;
the data processing module is used for processing the data acquisition request and generating a first control request, a second control request and a preset acquisition height;
the lifting control module is used for generating a first control instruction according to the first control request;
the RFID control module is used for generating a second control instruction according to the second control request;
the data processing module is further configured to calculate an actual acquisition height according to the distance, and generate a third control instruction when the actual acquisition height matches the preset acquisition height;
the lifting control module is further used for generating a third control instruction according to the third control request;
the data processing module is further configured to process the data information received from the RFID unit to obtain acquisition feedback information, and send the acquisition feedback information to the outside through the network module.
3. The RFID lifting collection device according to claim 2, wherein the control unit is further provided with a status acquisition module;
the state acquisition module is used for acquiring state information of the data processing module, the lifting control module, the RFID control module, the lifting unit, the RFID unit and the feedback unit;
the data processing module is further configured to add the state information to the acquisition feedback information.
4. The RFID lifting and collecting device according to claim 3, wherein the control unit is further provided with a working mode switching module;
the working mode switching module is used for switching the working modes of the data processing module, the lifting control module, the RFID control module, the lifting unit, the RFID unit and the feedback unit according to the state information acquired by the state acquisition module.
5. The RFID lift collection device of claim 1, wherein the lift unit includes a base member, a lift member;
the base component is connected with the lifting component through a lifting control line;
the base part is also connected with the fixing unit;
the lifting component is also connected with the RFID unit;
wherein the base member provides a fixed point for the lifting member; the lifting component generates a descending acting force according to the first control instruction; the lifting member generates a lifting force according to the third control command.
6. The RFID lift collection device of claim 5, wherein the RFID unit is disposed on the lift member;
the feedback unit comprises a distance sensor;
the distance sensor is used for acquiring the distance between the RFID unit and the ground in the moving direction and feeding back the distance to the control unit.
7. The RFID lifting and collecting device as claimed in claim 1, wherein said control unit is further configured to record a lowering distance of said RFID unit;
and the lifting unit is also used for enabling the RFID unit to move upwards to the initial position according to the descending distance and the ascending acting force.
8. The RFID lifting and collecting device according to claim 1, wherein the control unit is further configured to determine a lifting distance of the RFID unit according to the distance fed back by the feedback unit;
and the lifting unit is also used for enabling the RFID unit to upwards move to the initial position according to the ascending distance.
9. An RFID lift collection system, comprising:
at least 1 RFID lift harvester according to any one of claims 1 to 8;
a server side;
a power supply device;
the RFID lifting acquisition device is connected with the server side through a network;
the power supply device provides power for the RFID lifting and collecting device.
10. The RFID lift collection system of claim 9, wherein the power supply comprises:
a strong current input terminal for introducing external strong current;
and the at least 1 weak current output end is used for providing a special power supply for the RFID lifting and collecting device in a one-to-one manner.
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