CN206515833U - Rfid device and check system - Google Patents

Abstract

The utility model provides a kind of rfid device and check system, belongs to storage and makes an inventory technical field.Rfid device and check system that the utility model embodiment is provided, the high frequency interfaces of its radio frequency identification module are connected with the second antenna that at least one length-adjustable first antenna or many length are fixed；Radio frequency identification module sends radiofrequency signal by first antenna or the second antenna, and receives the carrier signal of RF tag transmission；Carrier signal is identified, and transmitted recognition result to master controller by communication interface.The intelligence of article is made an inventory so as to realize, work of making an inventory is carried out without artificial, reduces the working strength of staff, improve the efficiency for work of making an inventory.Meanwhile, user can realize the RF tag in precise positioning, identification specific distance range according to being adjusted by the length to antenna the need for actual use occasion.When high frequency interfaces connect many antennas, the stability of rfid device work can be increased.

Description

Rfid device and check system

Technical field

The utility model is related to storage and made an inventory technical field, in particular to a kind of rfid device and makes an inventory and is System.

Background technology

At present, the work of making an inventory of shelf, market warehouse, logistics cabinet, locker etc., traditional way is artificial to storage Various articles carry out quantity and checked in turn, and computer is then inputted again, are proofreaded with the turnover quantity of article, this way behaviour Make cumbersome, operating efficiency is low, not only increases the working strength of employee, and check the process with input computer in employee In, situation about artificially malfunctioning happens occasionally, occur very little mistake just must accent have again, cause the duplication of labour of employee Greatly.

Therefore, traditional checking method is virtually consuming substantial amounts of human and material resources and time cost.

Utility model content

For above-mentioned problems of the prior art, the utility model, which provides a kind of rfid device and made an inventory, is System, can realize and the intelligence of article is made an inventory, reduce the working strength of staff, improve operating efficiency, check information Accurately and reliably, it is to avoid the phenomenon again checked by artificial malfunction.

In a first aspect, the utility model embodiment provides a kind of rfid device, for check system, including radio frequency Identification module, the radio frequency identification module includes high frequency interfaces and communication interface；

Wherein, the high frequency interfaces are connected with the second of at least one length-adjustable first antenna or many length fixations Antenna；

The communication interface is used to be connected with outside master controller；

The radio frequency identification module sends radiofrequency signal by the first antenna or second antenna, is made an inventory with activating RF tag on thing sends carrier signal；And the RF tag hair is received by the first antenna or second antenna The carrier signal sent；

The radio frequency identification module is additionally operable to that the carrier signal is identified, and will be recognized by the communication interface As a result transmit to the master controller.

With reference in a first aspect, the utility model embodiment provide first aspect the first possible embodiment, its In, the first antenna is printed antenna, and the printed antenna includes metal structure and feeder line, and the metal structure connection is described The port of feeder line is connected with the regulating member that is arranged at and can be moved along the feeder line on wire, the feeder line, the wire it is another One end is connected with the regulating member, and the position of the regulating member is corresponding with the effective length of the feeder line.

With reference in a first aspect, the utility model embodiment provide first aspect second of possible embodiment, its In, the first antenna is telescopie rod antenna.

With reference in a first aspect, the utility model embodiment provide first aspect the third possible embodiment, its In, the length of every second antenna is different；

Described device also includes antenna selector, is respectively arranged between the antenna selector and every second antenna Switch, by closing the corresponding switch of second antenna, makes second antenna in running order.

With reference to the third possible embodiment of first aspect, the utility model embodiment provides the of first aspect Four kinds of possible embodiments, wherein, the antenna selector includes the selection key being arranged on rfid device shell, The number of the selection key and second antenna are corresponded, and each selection key with corresponding described second day The switch connection of line.

With reference to the third possible embodiment of first aspect, the utility model embodiment provides the of first aspect Five kinds of possible embodiments, wherein, the antenna selector includes transmitter and is arranged on rfid device shell Receiver；The receiver is connected with the switch of second antenna；Selection key, the selection are provided with the transmitter The number of button is corresponded with second antenna.

With reference in a first aspect, the utility model embodiment provide first aspect the 6th kind of possible embodiment, its In, the identical length of every second antenna is same.

Second aspect, the utility model embodiment is provided on a kind of check system, including master controller and at least one The rfid device stated；The master controller is used to count and school the recognition result that the rfid device is transmitted It is right.

With reference to second aspect, the utility model embodiment provides the first possible embodiment of second aspect, its In, the communication interface of the rfid device includes wireline interface or wave point.

With reference to the first possible embodiment of second aspect, the utility model embodiment provides the of second aspect Two kinds of possible embodiments, wherein, the wireline interface includes serial ports or USB interface.

The utility model embodiment brings following beneficial effect：

Rfid device and check system that the utility model embodiment is provided, the high frequency interfaces of its radio frequency identification module It is connected with the second antenna that at least one length-adjustable first antenna or many length are fixed；Radio frequency identification module passes through first Antenna or the second antenna send radiofrequency signal, and carrier signal is sent to activate the RF tag on thing of making an inventory；And pass through first day Line or the second antenna receive the carrier signal that RF tag is sent；Carrier signal is identified, and will be known by communication interface Other result is transmitted to master controller.The intelligence of article is made an inventory so as to realize, work of making an inventory is carried out without artificial, reduces work The working strength of personnel, improves the efficiency for work of making an inventory.

Meanwhile, when the adjustable antenna of connecting length, user can according to the need for actual use occasion by antenna Length be adjusted, realize precise positioning, the RF tag in identification specific distance range.High frequency interfaces connect many antennas When, the stability of rfid device work can be increased.

Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are in explanation Specifically noted structure is realized and obtained in book, claims and accompanying drawing.

To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and Coordinate appended accompanying drawing, be described in detail below.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

The structured flowchart for the rfid device that Fig. 1 is provided by the embodiment of the utility model one；

First antenna and the attachment structure figure of radio frequency identification module that Fig. 2 is provided by the embodiment of the utility model one；

First antenna and the attachment structure figure of radio frequency identification module that Fig. 3 is provided by another embodiment of the utility model；

The structured flowchart for the rfid device that Fig. 4 is provided by another embodiment of the utility model；

The second antenna and the attachment structure figure of radio frequency identification module that Fig. 5 is provided by the embodiment of the utility model one；

Fig. 6 is the structured flowchart of check system of the present utility model.

Icon：1- rfid devices；3- master controllers；10- radio frequency identification modules；101- high frequency interfaces；102- is communicated Interface；20- first antennas；200- printed antennas；201- metal structures；202- wires；203- regulating members；204- feeder lines； 211- telescopie rod antennas；The antennas of 40- second.

Embodiment

To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real Apply example, rather than whole embodiments.The component for the utility model embodiment being generally described and illustrated herein in the accompanying drawings can To arrange and design with a variety of configurations.Therefore, below to the embodiment of the present utility model that provides in the accompanying drawings Detailed description is not intended to limit claimed scope of the present utility model, but is merely representative of selected reality of the present utility model Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made The every other embodiment obtained, belongs to the scope of the utility model protection.

Substantial amounts of manpower and materials are expended for traditional artificial checking method, and easily cause to repeat what is made an inventory because of error Problem, the utility model embodiment provides a kind of rfid device and check system.

Rfid device of the present utility model is described in detail first below.

Embodiment one

Fig. 1 shows the structured flowchart for the rfid device that the embodiment is provided.As shown in figure 1, the embodiment is carried A kind of rfid device applied to check system, including radio frequency identification module 10 are supplied, radio frequency identification module 10 includes High frequency interfaces 101 and communication interface 102.High frequency interfaces 101 are connected with length-adjustable first antenna 20.Communication interface 102 is used It is connected in outside master controller 3.Radio frequency identification module 10 sends radiofrequency signal by first antenna 20, to activate thing of making an inventory On RF tag send carrier signal；And the carrier signal that RF tag is sent is received by first antenna 20, carrier wave is believed Number it is identified, and is transmitted recognition result to master controller 3 by communication interface 102.

First antenna 20 can set one, can also set many.When first antenna 20 is one, an antenna can To complete the information exchange with multiple RF tags in its radiation scope.User can be according to the need of actual use occasion To be adjusted by the length to antenna, realize the RF tag in precise positioning, identification specific distance range.When first day When line 20 is many, in order to avoid many antennas while the interference of radiation signal, radio frequency identification module is using multiple antennas poll Working method, synchronization only has an antenna in work.When user is adjusted to the length of many antennas, i.e., simultaneously to institute The length for having antenna is all adjusted, and the effective length of many Antenna Operations is consistent.Using many antennas, it is possible to reduce Using the phenomenon of job insecurity during an antenna, the stability of increase rfid device work.

The carrier signal that RF tag is sent carries the relevant information of itself coding and other items, and radio frequency identification module 10 exists When the carrier signal received is identified, can be according to check system the need for, only quantity is counted, can also read The Item Information in carrier signal is taken, is transmitted to master controller 3 and is handled and stored.

Fig. 2 shows a kind of first antenna that the utility model embodiment provided and the attachment structure of radio frequency identification module Figure.As shown in Fig. 2 radio frequency identification module uses RC522 chips, first antenna is printed antenna 200, with RC522 chips AUX1 pins are connected.Printed antenna 200 includes metal structure 201 and feeder line 204, and metal structure 201 connects the port of feeder line 204 It is connected with the regulating member 203 that is arranged at and can be moved along feeder line on wire 202, feeder line 204, the other end of wire 202 and regulation Part 203 is connected, and the position of regulating member 203 is corresponding with the effective length of feeder line 204.That is one end of wire 202 and metal Structure 201 is connected, and the other end is connected with regulating member 203.Regulating member 203 is again with being arranged on rfid device shell Adjusting knob is connected, and passes through rotation of adjustment knob, you can change position of the regulating member 203 on feeder line 204, so as to change feedback The effective length of line 204.The effective length of feeder line 204 is changed, the length of the first antenna also just changed have adjusted radio frequency knowledge The distance range that other device can be recognized, realizes the precise positioning to identification range.

Fig. 3 shows the connection knot of another first antenna that the utility model embodiment provided and radio frequency identification module Composition.As shown in figure 3, radio frequency identification module uses RC522 chips, RC522 chips are contactless logical applied to 13.56MHz The read-write card chip of high integration in letter, by 3.3V power voltage supplies.Antenna is used for increasing the signal intensity of radio-frequency module, to antenna Adjustment can adjust the scope of radio frequency identification.First antenna 211 is telescopie rod antenna, including the different conduction of many diameters Property body socket and the body of rod that constitutes, mutually can freely slide between electric conductivity body.By making the straight of above-mentioned antenna element Footpath smallest shaft is prominent to outside other bars, and above-mentioned antenna element can be made to carry out elongation action.By the way that above-mentioned diameter smallest shaft is drawn Enter into other bars, above-mentioned antenna element can be made to carry out diminution action.Two telescopie rod antennas are provided with Fig. 3, respectively It is connected on the AUX1 pins and AUX2 pins on RC522 chips.In actual use, it can use less than two or more than two Telescopie rod antenna.

The radio frequency identification module of the embodiment sends radiofrequency signal by first antenna, to activate the radio frequency mark made an inventory on thing Carrier signal is signed and issued out, and the carrier signal that RF tag is sent is received by first antenna, carrier signal is identified.From And realize and the intelligence of article is made an inventory, work of making an inventory is carried out without artificial, the working strength of staff is reduced, improves disk The efficiency of point work.

Further, since not adapt to the small space of closure, penetrability poor for the RFID technique of hyperfrequency, at the same need it is precisely fixed Position and the scene of Interactive control, therefore, the utility model embodiment use the RF identification chip with high frequency interfaces.With making Compared with the RF identification chip of hyperfrequency with ultra-high frequency antenna, using the RF identification chip with high frequency interfaces, cost is more It is low, and precisely making an inventory for high performance-price ratio can be realized.

Embodiment two

Fig. 4 shows the structured flowchart for the rfid device that the embodiment is provided.As shown in figure 4, the embodiment Rfid device, including radio frequency identification module 10, radio frequency identification module 10 include high frequency interfaces 101 and communication interface 102. High frequency interfaces 101 are connected with the second antenna 40 that many length are fixed.Communication interface 102 is used to connect with outside master controller 3 Connect.Radio frequency identification module 10 sends radiofrequency signal by the second antenna 40, and carrier wave is sent to activate the RF tag on thing of making an inventory Signal；And the carrier signal that RF tag is sent is received by the second antenna 40, carrier signal is identified, and pass through communication Interface 102 transmits recognition result to master controller 3.

Wherein, a kind of implementation can be that the identical length of every second antenna is same.Using many length identicals day Line, it is possible to reduce using the phenomenon of job insecurity during an antenna, the stability of increase rfid device work.

Another implementation can be that the length of every second antenna is different.As shown in figure 5, two annulars second Antenna is connected between AUX1, AUX2 and GND, and the length of two antennas of annular second is different.

In this embodiment, rfid device also includes antenna selector, between antenna selector and every second antenna Switch is respectively arranged with, by closing the corresponding switch of the second antenna, makes the second antenna in running order.User can basis It is adjusted, is realized in precise positioning, identification specific distance range by the length to antenna the need for actual use occasion RF tag.

Further, antenna selector can include the selection key being arranged on rfid device shell, and selection is pressed The number of key is corresponded with the second antenna, and each selection key is connected with the switch of corresponding second antenna.Press certain root The corresponding selection key of second antenna, you can close the switch of second antenna, be at working condition.Press again this The corresponding selection key of two antennas, you can disconnect the switch of second antenna, be at off working state.

Antenna selector can also include transmitter and the receiver being arranged on rfid device shell.Receiver with The switch connection of second antenna.Selection key is provided with transmitter, the number of selection key is corresponded with the second antenna.

Embodiment three

This embodiment offers a kind of check system, the structure of the check system is as shown in fig. 6, including the He of master controller 3 The one or more rfid devices 1 being connected with master controller 3.Master controller 3 is used for the knowledge transmitted to rfid device Other result is counted and proofreaded.Wherein, as illustrated in figure 1 or 4, its structure is in embodiment for the structure of rfid device 1 One or embodiment two described in, will not be repeated here.

The communication interface of rfid device 1 can be wireline interface or wave point.Wherein, wireline interface can be string Mouth or USB interface, wave point can be blue tooth interface, infrared interface or Wifi interfaces etc..

Master controller 3 can be single-chip microcomputer or computer.Rfid device 1 can use serial ports and external microcontroller or Person's other hardware modules communication, can also use USB interface and computer to communicate.

By taking the check system in warehouse as an example, because the storage space in warehouse is larger, the distance between different storage case compared with Far, therefore, it is that each storage case is equipped with a rfid device, according to the big minor adjustment rfid device of storage case Antenna length, makes the rfid device only scan the RF tag in the range of the storage case, without with adjacent radio frequency identification Interference is produced between device.Rfid device is connected by wired or wireless mode with master controller, and master controller is to institute The recognition result for having rfid device to transmit is counted, and is proofreaded with inbound/outbound process record, stores collation.

The check system can efficiently control enterprise's commodity stocks accuracy, be that warehouse inventory management and service management are carried It is that operational decision making and management provide accurate analyze data for accurate information of goods information data.

In addition to for above-mentioned warehouse stock counting, the check system that the utility model embodiment is provided is applied also in Internet of Things The industries such as net, wisdom warehouse, unmanned market, wisdom storage, wisdom office, intelligence deposit.

The rfid device and check system that the utility model embodiment is provided have identical technical characteristic, so Identical technical problem can be solved, identical technique effect is reached.

It should be noted that in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one Connect body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirect by intermediary It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition State concrete meaning of the term in the utility model.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.

Finally it should be noted that：Embodiment described above, embodiment only of the present utility model, to illustrate this The technical scheme of utility model, rather than its limitations, protection domain of the present utility model are not limited thereto, although with reference to foregoing The utility model is described in detail embodiment, it will be understood by those within the art that：It is any to be familiar with this skill The technical staff in art field is in the technical scope that the utility model is disclosed, and it still can be to the skill described in previous embodiment Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications, Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme Enclose, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model described should be wanted with right The protection domain asked is defined.

Claims (10)

1. a kind of rfid device, for check system, it is characterised in that including radio frequency identification module, the radio frequency identification Module includes high frequency interfaces and communication interface；

Wherein, the high frequency interfaces be connected with that at least one length-adjustable first antenna or many length are fixed second day Line；

The communication interface is used to be connected with outside master controller；

The radio frequency identification module sends radiofrequency signal by the first antenna or second antenna, is made an inventory with activating on thing RF tag send carrier signal；And receive what the RF tag was sent by the first antenna or second antenna The carrier signal；

The radio frequency identification module is additionally operable to that the carrier signal is identified, and by the communication interface by recognition result Transmit to the master controller.

2. device according to claim 1, it is characterised in that the first antenna is printed antenna, the printed antenna Including metal structure and feeder line, wherein, the port of the metal structure connection feeder line, which is connected with wire, the feeder line, to be set The regulating member that can be moved along the feeder line is placed in, the other end of the wire is connected with the regulating member, the adjustment portion The position of part is corresponding with the effective length of the feeder line.

3. device according to claim 1, it is characterised in that the first antenna is telescopie rod antenna.

4. device according to claim 1, it is characterised in that the length of every second antenna is different；

Described device also includes antenna selector, is respectively arranged with out between the antenna selector and every second antenna Close, by closing the corresponding switch of second antenna, make second antenna in running order.

5. device according to claim 4, it is characterised in that the antenna selector includes being arranged on rfid device Selection key on shell, the number of the selection key is corresponded with second antenna, and each selection key Connected with the switch of corresponding second antenna.

6. device according to claim 4, it is characterised in that the antenna selector includes transmitter and is arranged on radio frequency Receiver on identifying device shell；The receiver is connected with the switch of second antenna；It is provided with the transmitter Selection key, the number of the selection key is corresponded with second antenna.

7. device according to claim 1, it is characterised in that the identical length of every second antenna is same.

8. a kind of check system, it is characterised in that including any one institute in master controller and at least one claim 1~7 The rfid device stated；The master controller is used to count and school the recognition result that the rfid device is transmitted It is right.

9. system according to claim 8, it is characterised in that the communication interface of the rfid device includes wired connect Mouth or wave point.

10. system according to claim 9, it is characterised in that the wireline interface includes serial ports or USB interface.