CN114118116A - Portable metering and counting device - Google Patents
Portable metering and counting device Download PDFInfo
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- CN114118116A CN114118116A CN202111295267.4A CN202111295267A CN114118116A CN 114118116 A CN114118116 A CN 114118116A CN 202111295267 A CN202111295267 A CN 202111295267A CN 114118116 A CN114118116 A CN 114118116A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
Abstract
The application provides a portable metering and counting device which comprises a machine body and a control unit arranged in the machine body, wherein a display screen is arranged on the end surface of the top of the machine body, a handle is connected to the bottom of the machine body, and a second telescopic mechanism is arranged at the front of the machine body; a trigger key is arranged on one side of the top of the handle, an expansion shaft of the second expansion mechanism is connected with a second rotating mechanism, a detection cube is sleeved on a rotating shaft of the second rotating mechanism, a directional receiving and transmitting antenna is arranged on the side wall of the detection cube, the control unit comprises a controller and an RFID reader, the RFID reader is electrically connected with the receiving and transmitting antenna, and the controller is electrically connected with the display screen, the second expansion mechanism, the trigger key, the second rotating mechanism and the RFID reader. The method and the device utilize the directivity of the directional receiving and sending antenna, use the shelf interval units as position granularity to inventory the warehouse shelf, and give consideration to the inventory speed and the positioning of the inventory target.
Description
Technical Field
The application relates to the technical field of power grid inventory, in particular to a portable metering inventory device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Radio Frequency Identification (RFID), which is a Radio Frequency Identification technology, is one of automatic Identification technologies, and performs non-contact bidirectional data communication in a Radio Frequency mode, and reads and writes a recording medium electronic tag or a Radio Frequency card in the Radio Frequency mode, so as to achieve the purposes of identifying an inventory target and exchanging data, which is considered to be one of the most promising information technologies in the 21 st century. The radio frequency identification technology realizes non-contact two-way communication by combining radio wave non-contact quick information exchange and storage technology and wireless communication with data access technology and then connecting a database system, thereby achieving the aim of identification. In the identification system, reading and writing and communication of the electronic tag are realized through electromagnetic waves. According to the communication distance, a near field and a far field can be divided, and for this reason, the data exchange method between the read/write device and the electronic tag is correspondingly divided into load modulation and backscatter modulation.
The RFID technology is widely applied to inventory checking operation of a power grid, particularly passive radio frequency tags, but the existing RFID equipment has the problem that the identification range and the accurate positioning are contradictory, meanwhile, the existing RFID equipment is difficult to find damaged RFID tags, and particularly under the condition that the identification range of the RFID equipment is large, the accuracy of the checking result is challenged.
Disclosure of Invention
The application provides a portable metering inventory device for solving the problems, and inventory a warehouse shelf by using the directivity of a directional transmitting and receiving antenna and taking a shelf interval unit as a position granularity, thereby taking account of the inventory speed and positioning of an inventory target.
The application provides portable metering and counting device, including the organism with locate the internal control unit of organism:
the machine body is provided with a display screen on the top end surface, a handle is connected to the bottom of the machine body, and a second telescopic mechanism is arranged on the front part of the machine body;
a trigger key is arranged on one side of the top of the handle, an expansion shaft of the second expansion mechanism is connected with a second rotating mechanism, a detection cube is sleeved on a rotating shaft of the second rotating mechanism, a directional receiving and transmitting antenna is arranged on the side wall of the detection cube, the control unit comprises a controller and an RFID reader, the RFID reader is electrically connected with the receiving and transmitting antenna, and the controller is electrically connected with the display screen, the second expansion mechanism, the trigger key, the second rotating mechanism and the RFID reader;
the controller takes the interval units of the shelves as position granularity to carry out line-by-line scanning and counting on the shelves.
Preferably, the specific method for progressive scanning inventory is as follows:
the interval units in the same row are sequentially checked according to the arrangement sequence, the second telescopic mechanism drives the rotating mechanism to extend into the interval from the transverse tail end of any interval unit, the rotating mechanism controls the detection cube to rotate, the receiving and transmitting antenna faces the starting end of the interval unit, the RFID reader scans the interval and transmits a scanning result to the controller, and the controller compares the checking target information in the scanning result with the scanning result of the interval units in the front of the row to remove the duplicate, so that the checking target information of the interval units is generated.
Preferably, the machine vision sensor is arranged on the front side of the top of the machine body and used for collecting shelf images, carrying out image recognition on the images, recognizing shelf interval units and objects to be checked, determining the number of the objects to be checked in each interval unit and verifying the scanning results of the interval units.
Preferably, the direction fixture sets up in the organism front portion, including the centre gripping base, the sliding tray has been seted up to the anterior terminal surface of centre gripping base, and sliding tray one side hangs down and is equipped with fixed clamp splice, and the sliding tray internal slipping is equipped with the removal clamp splice, the removal clamp splice removes along the sliding tray through the actuating mechanism who inlays to locate in the centre gripping base, the second telescopic machanism sets up in centre gripping base one side.
Preferably, the second telescopic machanism includes fixed baseplate and inlays the flexible electric jar of second of locating terminal surface around the fixed baseplate perpendicularly, second rotary mechanism is including setting firmly the roating seat on the flexible epaxial in the flexible electric jar of second, the mounting groove has been seted up to the roating seat front portion, and the upper and lower terminal surface rotation of mounting groove is provided with the rotation axis, and the inside second rotating electrical machines that is equipped with that inlays of mounting seat, the output shaft rotation axis of second rotating electrical machines.
Preferably, the fixed clamping block and the relative terminal surface of removal clamping block have seted up the meter step groove respectively, the rotatory installation axle that is provided with on the lateral wall of meter step groove, the cover is equipped with the meter step wheel rack on the installation axle, and one side end-to-end connection of installation axle has the angle displacement sensor, and the opposite side end loose joint has arrestment mechanism.
Preferably, the first rotating motor is embedded in the end face of the front part of the machine body, and the output shaft is connected with the rear part of the clamping base of the guide clamping mechanism; the two directional transmitting and receiving antennas are respectively arranged on the symmetrical side walls of the detection cube; the first telescopic electric cylinder is embedded in the end face of one side of the clamping base, and the output shaft of the first telescopic electric cylinder is connected with one side of the fixed base of the second telescopic mechanism.
Preferably, the two-dimensional code scanning probe is arranged on a blank side wall of the detection cube; the two-dimensional code reader is integrated in the control unit and is electrically connected with the controller; the switch key, the shortcut function button and the voice player are arranged at the top of the machine body.
Preferably, the specific method of progressive scanning inventory further comprises:
the guiding and clamping mechanism clamps vertical partition plate strips of the goods shelf, the step counting wheels abut against the side walls of the vertical partition plate strips, the machine body can be driven to move vertically by pushing the handle, and the same-row partition units are scanned on the basis of keeping the machine body horizontal;
subdividing the position granularity taking an interval unit as a unit by a longitudinal scanning method, which comprises the following specific steps:
first rotating electrical machines starts to drive direction fixture's centre gripping base and rotates 90 degrees, and first flexible electric jar is flexible to drive second telescopic machanism and keeps away from the centre gripping base motion, and the horizontal partition lath that the corresponding interval unit of direction fixture centre gripping, second rotary mechanism drive the detection cube and rotate, make two directional receiving and dispatching antenna respectively towards directly on, under, promote the handle and can drive the organism along lateral shifting, and RFID reads the even interval in ware interval and scans the check to the interval unit of being listed as, the interval is the segmentation granularity.
Preferably, the angular displacement sensor is used for detecting the rotating direction and the rotating number of turns of the step counting wheel so as to calculate the position coordinates of the machine body relative to the goods shelf and the corresponding spacing unit, and the braking mechanism is used for controlling the starting and stopping of the guide clamping mechanism; the machine vision sensor is also used for identifying the vertical space of the goods shelf without the checking target through image identification, and the vertical space is eliminated when the interval units in the same column are subjected to subdivision granularity scanning.
Compared with the prior art, the beneficial effect of this application is:
(1) the position and the orientation of the directional receiving and dispatching antenna are flexibly controlled through the second telescopic mechanism and the second rotating mechanism, so that the goods shelf is scanned and counted line by taking the spacing units of the goods shelf as position granularity, and the scanning speed and the location of a counting target are considered.
(2) According to the method and the device, the machine vision sensor is used for identifying the number of the inventory targets in each interval unit, so that the inventory result can be checked conveniently, the inventory target which cannot read the label can be identified, and the accuracy and controllability of the inventory result are improved.
(3) This application is convenient for keep the level of organism and directional aerial through direction fixture, sparingly is used for manual operation error and saves user's physical power to start stopping of calculating organism position and control direction fixture through angle displacement sensor and arrestment mechanism, so that scan the check target in suitable position.
(4) This application is convenient for subdivide the position granularity to using interval unit as the unit and check again through the cooperation of first rotating electrical machines, second rotary mechanism, first flexible electric jar, second telescopic machanism, improves the precision of checking the target location.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Figure 1 is a side view of the overall structure of one embodiment of the present application,
figure 2 is a top view of the overall structure of one embodiment of the present application,
figure 3 is an enlarged view of a portion of one embodiment of the present application,
figure 4 is a schematic view of a vertical implementation of an embodiment of the present application,
figure 5 is a schematic diagram of a lateral implementation of an embodiment of the present application,
figure 6 is a first schematic diagram of an embodiment of the present application,
figure 7 is a second schematic diagram of an embodiment of the present application,
FIG. 8 is a system schematic of an embodiment of the present application.
In the figure:
1. the device comprises a control unit, 2, a machine body, 3, a handle, 4, a display screen, 5, a trigger key, 6, a machine vision sensor, 7, a directional transmitting and receiving antenna, 8, a two-dimensional code scanning probe, 9, a guide clamping mechanism, 10, a second rotating mechanism, 11, a first telescopic electric cylinder, 12, a second telescopic mechanism, 13, a switch key, 14, a quick function button, 15, a voice player, 16, a first rotating motor, 101, a rotating seat, 102, a rotating shaft, 121, a fixed base, 122, a second telescopic electric cylinder, 901, a clamping base, 902, a fixed clamping block, 903, a movable clamping block, 904, a mounting shaft, 905, a step counting wheel, 906, an angular displacement sensor, 100, a controller, 200, an RFID reader, 300, a two-dimensional code reader, 400, a goods shelf, 401, a vertical partition board strip, 402, a transverse partition board strip, 500 and a disc point target.
The specific implementation mode is as follows:
the present application will be further described with reference to the following drawings and examples.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
As shown in fig. 1 to 8, the portable metering and counting device comprises a machine body 2 and a control unit 1 arranged in the machine body 2, wherein the top end surface of the machine body 2 is provided with a display screen 4, the bottom of the machine body is connected with a handle 3, and the front part of the machine body is provided with a second telescopic mechanism 12.
The telescopic shaft of the second telescopic mechanism 12 is connected with the second rotating mechanism 10, a detection cube is sleeved on a rotating shaft 102 of the second rotating mechanism 10, a directional receiving and transmitting antenna 7 is arranged on the side wall of the detection cube, the control unit 1 comprises a controller 100 and an RFID reader 200, the RFID reader 200 is electrically connected with the directional receiving and transmitting antenna 7, and the controller 100 is electrically connected with the display screen 4, the second telescopic mechanism 12, the second rotating mechanism 10 and the RFID reader 200.
The controller 100 performs line-by-line scanning and inventory on the shelf 400 by using the interval units of the shelf 400 as position granularity, and the specific method is as follows:
the interval units in the same row are sequentially checked according to the arrangement sequence, the controller 100 controls the second telescopic mechanism 12 to drive the second rotating mechanism 10 to extend into the interval units from the transverse tail end of any interval unit, the second rotating mechanism 10 controls the detection cube to rotate, the directional transmitting-receiving antenna 7 faces the starting end of the interval unit, the RFID reader 200 scans the interval units and transmits the scanning result to the controller 100, and the controller 100 compares the checking target information in the scanning result with the scanning result of the interval units in the front of the row to remove the duplicate, so that the checking target information of the interval units is generated.
As shown in fig. 6, two interval units at the top row are sequentially checked from left to right, the left interval unit is checked to obtain a checking target set a1, and the right interval unit is checked to obtain a checking target set a2, because the scanning distance of the directional transmitting and receiving antenna 7 cannot be precisely controlled, the scanning range formed by the transmitting power and the receiving sensitivity of the directional transmitting and receiving antenna 7 exceeds the right interval unit to ensure that no RFID tag is missed, and the accurate checking target set A3 can be obtained only by removing the part of the checking target set a2, which is overlapped with the interval unit a 1. The beam width of the directional transmitting and receiving antenna 7 is matched with the height and the transverse length of the shelf spacing unit, so that the checking target in the uplink and downlink spacing units cannot be scanned when the same-row spacing unit is checked by the method. Specifically, the directional transmitting and receiving antenna 7 is a circularly polarized directional antenna, and the circularly polarized antenna can receive electromagnetic waves of any polarization so as to avoid polarization loss, and can also inhibit multipath scattering and multipath interference, and the electromagnetic wave detouring capability is strong.
Preferably, this application still includes the direction fixture 9 with controller 100 electrical connection, direction fixture 9 sets up in organism 2 anteriorly, including clamping base 901, the sliding tray has been seted up to clamping base 901's anterior terminal surface, sliding tray one side hangs down and is equipped with fixed clamp splice 902, and the sliding tray is internal to slide and is equipped with removal clamp splice 903, removal clamp splice 903 moves along the sliding tray through the actuating mechanism who inlays to locate in clamping base 901, second telescopic machanism 12 sets up in clamping base 901 one side. The driving mechanism can be a motor lead screw transmission structure, and is not repeated in the application.
The fixed clamp splice 902 has seted up the meter step groove respectively with the relative terminal surface of removal clamp splice 903, the rotation is provided with installation axle 904 on the lateral wall in meter step groove, the cover is equipped with meter step wheel 905 on the installation axle 904, and one side end-to-end connection of installation axle 904 has angle displacement sensor 906, and the terminal loose joint of opposite side has arrestment mechanism.
The second telescopic mechanism 12 comprises a fixed base 121 and a second telescopic electric cylinder 122 vertically embedded on the front end face and the rear end face of the fixed base 121, the second rotating mechanism 10 comprises a rotating seat 101 fixedly arranged on a telescopic shaft of the second telescopic electric cylinder 122, a mounting groove is formed in the front portion of the rotating seat 101, the upper end face and the lower end face of the mounting groove are rotatably provided with a rotating shaft 102, a second rotating motor is embedded inside the mounting seat, and an output shaft of the second rotating motor is connected with the rotating shaft 102.
The specific method for progressive scanning inventory further comprises the following steps:
the vertical partition lath 401 of direction fixture 9 centre gripping goods shelves 400, the vertical partition lath 401 lateral wall of conflict of meter step wheel 905, moving handle 3 can drive organism 2 along vertical removal, scans the same interval unit that is listed as on keeping the horizontally basis of organism 2.
The application also provides a method for rapidly scanning inventory, and the steps of the method are consistent with those of the line-by-line scanning inventory method.
Specifically, a user holds the handle 3 to move the machine body 2 to the starting end (top or bottom) of a certain vertical partition plate strip 401, the vertical partition plate strip 401 is located at the end of a partition unit row to be detected, the controller 100 controls the driving mechanism to drive the movable clamping block 903 to move along the sliding groove so as to clamp the vertical partition plate strip 401, the step-counting wheel 905 abuts against the side wall of the vertical partition plate strip 401, the movable handle 3 can drive the machine body 2 to move vertically, the angular displacement sensor 906 is used for detecting the rotating direction and the number of rotating turns of the step-counting wheel 905 so as to calculate the moving distance of the machine body 2, when the machine body 2 moves to a preset position of each row of the shelf 400, the braking mechanism clasps the mounting shaft 904 to stop the movement of the machine body 2, the telescopic shaft of the second telescopic mechanism 12 extends to drive the second rotating mechanism 10 to move a preset distance to the deep position of the partition unit, and the second rotating motor of the second rotating mechanism 10 rotates, the detection cube is driven to rotate, so that the directional transceiving antenna 7 faces the start end of the corresponding spacing unit, the RFID reader 200 scans the spacing unit and transmits the scanning result to the controller 100, the telescopic shaft of the second telescopic mechanism 12 retracts to drive the second rotary mechanism 10 to move to the initial position so as to prevent the body from being blocked, the brake mechanism relaxes the installation shaft 904, the body 2 is moved to scan the spacing unit on the next line, and then the scanning result of the spacing unit in the whole column is obtained.
The brake mechanism can be an electric clamping device, the specific structure of which is easily obtained by the person skilled in the art, and the details are not described in the present application.
And the machine vision sensor 6 is arranged on the front side of the top of the machine body 2, electrically connected with the controller 100, and used for acquiring images of the shelf 400, performing image recognition on the images, recognizing the spacing units and the checking targets 500 of the shelf 400, determining the number of the checking targets 500 in each spacing unit, and verifying the scanning results of the spacing units. Taking the above example of the inventory target set a1 of the left interval unit, if the number of the inventory targets 500 of the left interval unit is n1 and the number of the elements in the inventory target set a1 is n2 according to the image recognition analysis, if n1 is greater than n2, it indicates that there is an unrecognized inventory target 500 in the left interval unit. Before the scanning operation, when the scanning result is inconsistent with the image recognition result, rescanning can be performed by adjusting the depth of the insertion interval unit at the position of the directional transmitting and receiving antenna 7, the transmitting power and the receiving sensitivity, a plurality of preset strategies are compiled according to the parameters, when the user rescans, automatic polling scanning is performed according to the preset strategies until the scanning result is consistent with the image recognition result, and if the scanning result and the image recognition result are inconsistent after traversing all strategies, the checking object 500 with the damaged radio frequency tag in the corresponding interval unit is judged.
The machine vision sensor 6 comprises a collection camera and a video server, wherein an image analysis module is arranged in the video server and used for analyzing and identifying collected images to identify the spacing units of the goods shelf 400 and the inventory targets 500 and determining the relative positions of the goods shelf 400, the spacing units and the inventory targets 500, and the image identification and visual positioning algorithm used by the machine vision sensor is the prior art, and the application does not relate to the improvement of the image identification and visual positioning algorithm.
Preferably, this application still includes first rotating electrical machines 16, first rotating electrical machines 16 inlays locates the anterior terminal surface of organism 2, and the centre gripping base 901 rear portion of its output shaft direction fixture 9, directional receiving and dispatching antenna 7 is two, locates respectively on the symmetrical lateral wall of detection cube, centre gripping base 901 one side terminal surface inlays and is equipped with first flexible electric jar 11, and the output shaft of first flexible electric jar 11 is connected fixed base 121 one side of second telescopic machanism 12.
The method also comprises the step of subdividing the position granularity taking the interval unit as a unit by a longitudinal scanning method, which comprises the following specific steps:
the first rotating motor 16 starts up and drives the clamping base 901 of the guiding clamping mechanism 9 to rotate for 90 degrees, the first telescopic electric cylinder 11 stretches and retracts to drive the second telescopic mechanism 12 to move away from the clamping base 901, the guiding clamping mechanism 9 clamps the transverse partition plate strips 402 corresponding to the partition units, the second rotating mechanism 10 drives the detection cube to rotate, two directional receiving and transmitting antennas 7 are enabled to face to the upper side and the lower side respectively, the pushing handle 3 can drive the machine body 2 to move along the transverse direction, and the RFID reader 200 scans and counts the same row of partition units at uniform intervals. The spacing is a subdivision granularity, and the specific setting value of the spacing is to satisfy a sufficient density to ensure that the RFID reader 200 does not miss the acquisition of the spacing elements in the corresponding column.
The first telescopic electric cylinder 11 is used for facilitating the movement of the machine body 2 and preventing a part from touching the checking target 500 when the machine body 2 moves.
The subdivision granularity is approximate granularity, and on the premise of ensuring sufficient density, the RFID reader 200 scans a repeated inventory target with a scanning point close to the vertical direction at each scanning point, for example, subdividing an interval unit into M scanning points and numbering 1,2,3.. M, if the inventory target set of the interval unit is a, the inventory target set scanned at the scanning point numbered 1 is a1, removing the element which does not belong to a in a1 to obtain a11, the a11 is the subdivided inventory target set of the subdivided granularity corresponding to the scanning point, the inventory target set scanned at the scanning point numbered 2 is a2, removing the element which belongs to a in a2 to obtain a21, then removing the element which coincides with a1 in a2 to obtain a22, the a22 is the subdivided inventory target set of the subdivided granularity corresponding to the scanning point, and sequentially processes the inventory target sets ai of the M scanning points, i is 1, and 2,3.. M, obtaining a subdivided inventory target set a11, a22, a32 and.. aM2 of the corresponding subdivided granularity of the scanning point.
The machine vision sensor 6 is also used to identify the shelf 400 vertical space of the out-of-stock target 500 by image recognition, which is excluded when performing a fine-grained scan of the same column of spacer units. As shown in fig. 7, the effective scanning space of the left column of the interval units is the vertical space shown by a and b, and the rest of the vertical space on the left side does not need to be scanned.
The application also comprises a two-dimensional code scanning probe 8 arranged on a blank side wall (not provided with the directional transmitting and receiving antenna 7) of the detection cube, and a two-dimensional code reader 300 integrated on the control unit 1 and electrically connected with the controller 100, wherein one side of the top of the handle 3 is provided with a trigger key 5, a switch key 13 arranged on the top of the machine body 2, a shortcut function button 14 and a voice player 15, and a battery module embedded in the machine body 2 or the handle 3. The two-dimensional code scanning probe 8 and the two-dimensional code reader 300 are used for identifying two-dimensional codes, and the trigger key 5, the switch key 13, the shortcut function button 14, the voice player 15 and the display screen 4 are used for man-machine interaction. Preferably, the display screen 4 is a touch screen.
The controller 100 is a computer device. The shelf 400 and the inventory target 500 are attached with passive radio frequency tags, and preferably, two-dimensional codes are further arranged on the shelf 400 and the inventory target 500. Horizontal partition lath 402 and vertical partition lath 401 can be the partly of goods shelves 400 support, also can install as required additional, set up the direction spout with the meter step wheel 905 adaptation of direction fixture 9 on the upper and lower side of horizontal partition lath 402 and the left and right sides of vertical partition lath 401 respectively, meter step wheel 905 slides to inlay and locates in the direction spout, be equipped with the rack of mutual meshing on meter step wheel 905 periphery and the direction spout inner wall, the direction spout is used for leading spacing to meter step wheel 905.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present application have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present application, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive effort by those skilled in the art.
Claims (10)
1. Portable metering dish is put, includes organism (2) and locates the control unit (1) in organism (2), its characterized in that:
the top end face of the machine body (2) is provided with a display screen (4), the bottom of the machine body is connected with a handle (3), and the front part of the machine body is provided with a second telescopic mechanism (12);
the telescopic shaft of the second telescopic mechanism (12) is connected with the second rotating mechanism (10), a detection cube is sleeved on a rotating shaft (102) of the second rotating mechanism (10), a directional receiving and transmitting antenna (7) is arranged on the side wall of the detection cube, the control unit (1) comprises a controller (100) and an RFID reader (200), the RFID reader (200) is electrically connected with the directional receiving and transmitting antenna (7), and the controller (100) is electrically connected with the display screen (4), the second telescopic mechanism (12), the second rotating mechanism (10) and the RFID reader (200);
the controller (100) performs line-by-line scanning inventory on the shelves (400) with the granularity of the positions of the spacing units of the shelves (400).
2. A portable metering inventory device as set forth in claim 1, wherein:
the specific method for line-by-line scanning and counting comprises the following steps:
the interval units in the same row are sequentially checked according to the arrangement sequence, a second telescopic mechanism (12) drives a second rotating mechanism (10) to extend into the interval units from the transverse tail end of any interval unit, the second rotating mechanism (10) controls the detection cube to rotate, so that the directional transmitting and receiving antenna (7) faces the starting end of the interval unit, the RFID reader (200) scans the interval units and transmits the scanning result to the controller (100), and the controller (100) compares the information of the checking target (500) in the scanning result with the scanning result of the interval unit in the front of the row to remove the duplication, so that the information of the checking target (500) of the interval unit is generated.
3. A portable metering inventory device as set forth in claim 2, wherein:
and the machine vision sensor (6) is arranged on the front side of the top of the machine body (2) and is used for acquiring the images of the goods shelf (400), identifying the spacing units and the inventory targets (500) of the goods shelf (400), determining the quantity of the inventory targets (500) in each spacing unit and verifying the scanning results of the spacing units.
4. A portable metering inventory device as set forth in claim 3, wherein:
the guide clamping mechanism (9) is arranged in the front of the machine body (2) and comprises a clamping base (901), a sliding groove is formed in the front end face of the clamping base (901), a fixing clamping block (902) is vertically arranged on one side of the sliding groove, a moving clamping block (903) is arranged in the sliding groove in a sliding mode, the moving clamping block (903) moves along the sliding groove through a driving mechanism embedded in the clamping base (901), and the second telescopic mechanism (12) is arranged on one side of the clamping base (901).
5. A portable metering inventory device as set forth in claim 4, wherein:
second telescopic machanism (12) are including fixed baseplate (121) and inlay the flexible electric jar (122) of second of locating terminal surface around fixed baseplate (121) perpendicularly, second rotary mechanism (10) are including setting firmly roating seat (101) on the flexible epaxial in the flexible electric jar of second (122), the mounting groove has been seted up to roating seat (101) front portion, and the upper and lower terminal surface rotation of mounting groove is provided with rotation axis (102), and the inside second rotating electrical machines that is equipped with that inlays of mounting groove, second rotating electrical machines's output shaft rotation axis (102).
6. A portable metering inventory device as set forth in claim 5, wherein:
the meter step groove has been seted up respectively to fixed clamp splice (902) and the relative terminal surface of removal clamp splice (903), the rotation is provided with installation axle (904) on the lateral wall in meter step groove, the cover is equipped with meter step wheel (905) on installation axle (904), and one side end-to-end connection of installation axle (904) has angle displacement sensor (906), and the terminal swing joint of opposite side has arrestment mechanism.
7. A portable metering inventory device as set forth in claim 6, wherein:
the first rotating motor (16) is embedded in the front end face of the machine body (2), and the output shaft is connected with the rear part of a clamping base (901) of the guide clamping mechanism (9);
the two directional transmitting and receiving antennas (7) are respectively arranged on the symmetrical side walls of the detection cube;
and the first telescopic electric cylinder (11) is embedded in the end surface of one side of the clamping base (901), and the output shaft of the first telescopic electric cylinder is connected with one side of the fixed base (121) of the second telescopic mechanism (12).
8. A portable metering inventory device as set forth in claim 7, wherein:
the two-dimensional code scanning probe (8) is arranged on the blank side wall of the detection cube;
the two-dimensional code reader (300) is integrated in the control unit (1) and is electrically connected with the controller (100);
a trigger key (5) is arranged on one side of the top of the handle (3);
the switch key (13), the shortcut function button (14) and the voice player (15) are arranged at the top of the machine body (2).
9. A portable metering inventory device as set forth in claim 8, wherein:
the specific method for progressive scanning inventory further comprises the following steps:
the guide clamping mechanism (9) clamps a vertical partition plate strip (401) of the goods shelf (400), the step counting wheel (905) abuts against the side wall of the vertical partition plate strip (401), the machine body (2) can be driven to vertically move by pushing the handle (3), and the same-row partition units are scanned on the basis of keeping the machine body (2) horizontal;
subdividing the position granularity taking an interval unit as a unit by a longitudinal scanning method, which comprises the following specific steps:
first rotating electrical machines (16) start to drive centre gripping base (901) of direction fixture (9) and rotate 90 degrees, first flexible electric jar (11) are flexible to drive second telescopic machanism (12) and keep away from centre gripping base (901) motion, horizontal spacer bar (402) of corresponding interval unit of direction fixture (9) centre gripping, second rotary mechanism (10) drive the detection cube and rotate, make two directional receiving and dispatching antenna (7) respectively towards directly up, directly under, promote handle (3) can drive organism (2) along lateral shifting, RFID reader (200) interval even interval scans the plate point to the interval unit of being listed as, the interval is the segmentation granularity.
10. A portable metering inventory device as set forth in claim 9, wherein:
the angular displacement sensor (906) is used for detecting the rotating direction and the rotating number of turns of the step counting wheel (905) so as to calculate the position coordinates of the machine body (2) relative to the goods shelf (400) and the corresponding spacing unit, and the brake mechanism is used for controlling the start and stop of the guide clamping mechanism (9);
the machine vision sensor (6) is also used for identifying the shelf (400) vertical space of the non-inventorying target (500) through image recognition, and the vertical space is eliminated when the interval units in the same column are scanned in a fine granularity mode.
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| CN116933826A (en) * | 2023-09-15 | 2023-10-24 | 厦门信达联科信息技术有限公司 | Product tracing method and device based on RFID electronic tag |
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| CN114118116B (en) | 2023-07-14 |
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