CN204425891U - Automatic shield device in the box identification of a kind of RFID - Google Patents
Automatic shield device in the box identification of a kind of RFID Download PDFInfo
- Publication number
- CN204425891U CN204425891U CN201420656603.2U CN201420656603U CN204425891U CN 204425891 U CN204425891 U CN 204425891U CN 201420656603 U CN201420656603 U CN 201420656603U CN 204425891 U CN204425891 U CN 204425891U
- Authority
- CN
- China
- Prior art keywords
- case room
- rfid
- shield door
- door
- transfer system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model relates to the automatic shield device in the box identification of a kind of RFID, comprise transfer system, described transfer system is arranged the case room that has container cavity, this case outside is provided with the shield door being used to open or close case room, the keying of described shield door is controlled by cylinder, described cylinder is arranged on case room, described case room is also provided with the electromagnetically operated valve for control cylinder running; Described transfer system is provided with detect measured object position checkout gear, described shield door is provided with multiple limit switch for detecting shield door seal.The utility model advantage is, compared with prior art, the profile of this device to goods does not have close dimensional and shape need, shorten RFID case room length, reach a rational size, especially solve the problem bad to UHF RFID effectiveness, and can intelligent shielding be carried out, automaticity is high, can carry out batch in conveying system and distinguish operation.
Description
Technical field
The utility model relates to a kind of RFID electromagnetic screen, refers in particular to a kind of being applied in modern logistics conveying based on the automatic shield device in the box identification of RFID of same frequency range UHF hyperfrequency equipment interference.
Background technology
The rfid system of uhf band, there is the advantages such as decipherment distance is far away, transfer of data is fast, but there is various interference effect in actual applications in super high frequency radio frequency identification (UHF RFID) system, the error rate is increased, identify the problems such as slow, analyze the reason producing interference, rough is divided into three classes, and Multipath Interference, conflict disturb and disturb with frequency range equipment.Multipath Interference and conflict interference are optimized improvement by some algorithms, and device described in the utility model mainly solves the third interference " with the interference of frequency range equipment ".
For solving with frequently equipment interference, just must shielding, for the shielding of UHF RFID device, adopting by designing necessarily airtight space structure, and be equipped with shielding material mode and shield.Existing RFID shielding material, adopts metallization electromagnetic shielding fabric more, hollow braided wires screen covers, electromagnetic shielding glass etc.
Existing UHF RFID recognition device shielding is with frequency range equipment perturbation technique, and the applicable cases in logistics conveyer system is as follows:
1, fixing UHF RFID room recognition device.
Fixed UHF RFID room recognition device, adopt confined chamber type space structure, inwall installs shielding material, and the manually operated door structure of design discrepancy goods, has electronic tag goods by instrument loadings such as handcarts.This plant automation degree is not high, is not suitable with conveying system and automatically identifies.
2, portable hand-holding type UHF RFID terminal.
By artificial hand-held terminal device, carry out manual identification to having electronic tag goods yard.This equipment does not have screening arrangement, very likely obtains the label information that other does not belong to this identification category.
3, tunnel type UHF RFID recognition device in conveying system
Adopt case room (tunnel type) shielding construction profile, its inwall installs shielding material, case room (tunnel type) scanning means delivery port, and the curtain plating electromagnetic shielding fabric web material hang that adopts shields more.Dependence conveying system is moved, and goods is advanced and boosted shielding curtain, after goods enters case room, because shielding curtain self gravitation hangs naturally, thus plays shielding action.There is many drawbacks in which, have strict requirement to the profile of goods, such shielding mode case room length (or degree of depth) is longer, because UHF RFID device is generally equipped with high-power read write line and high-gain aerial, use shielding curtain mode, effectiveness is not ideal enough.
Utility model content
The purpose of this utility model is to provide the automatic shield device in the box identification of a kind of RFID, the profile of this device to goods does not have close dimensional and shape need, shorten RFID case room length, reach a rational size, especially solve based on same frequency range equipment interference UHF RFID effectiveness bad, discrimination requires strict (99.999%), antenna gain requires the problem at 7.5dBi, and can intelligent shielding be carried out, automaticity is high, can carry out batch in conveying system and distinguish operation.
To achieve these goals, the utility model have employed following technical scheme: the automatic shield device in the box identification of a kind of RFID, comprise transfer system, described transfer system is arranged the case room that has container cavity, this case outside is provided with the shield door being used to open or close case room, the keying of described shield door is controlled by cylinder, and described cylinder is arranged on case room, described case room is also provided with the electromagnetically operated valve for control cylinder running; Described transfer system is provided with detect measured object position checkout gear, described shield door is provided with multiple limit switch for detecting shield door seal.
Further, described device profile adopts case room shielding construction, and case chamber interior walls installs screen.
Further, described shield door adopts aluminum alloy material, inner edge metallization electromagnetic shielding fiber fabric layer.
Further, described checkout gear comprises the Qianmen detection photovoltaic element being fixed on conveyer upstream end, the middle part being fixed on conveyer middle part puts the back door detection photovoltaic element detecting photovoltaic element and be fixed on the conveyer port of export in place.
The beneficial effects of the utility model are: after using said apparatus; compared with prior art, the advantages of good shielding performance of this device, automaticity is high; in transmitting procedure, action is level and smooth; speed is fast, and noiselessness, has perfect protection mechanism simultaneously; reliability of operation can be ensured; and provide standard MODBUS agreement, integrated simple and convenient, work compound is strong.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment technical scheme, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only that the utility model is in order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is planar structure schematic diagram of the present utility model;
Fig. 2 is end view of the present utility model;
Fig. 3 is circuit controling drawing of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As Fig. 1, automatic shield device in the box identification of a kind of RFID shown in Fig. 2, automatic shield device in the box identification of a kind of RFID, comprise transfer system, described transfer system is arranged the case room (1) that has container cavity, this case room (1) arranged outside has the shield door (2) being used to open or close case room (1), the keying of described shield door (2) is controlled by cylinder (3), described cylinder (3) is arranged on case room (1), described case room (1) is also provided with the electromagnetically operated valve (7) operated for control cylinder (3), described transfer system is provided with detect measured object position checkout gear, described shield door (2) is provided with multiple limit switch for detecting shield door (2) seal.Described device profile adopts case room (1) shielding construction, and case room (1) inwall installs screen.The advantages of good shielding performance of this device, automaticity is high, and in transmitting procedure, action is level and smooth, and speed is fast; noiselessness, has perfect protection mechanism simultaneously, can ensure reliability of operation; and provide standard MODBUS agreement, integrated simple and convenient, work compound is strong.
Described shield door (2) adopts aluminum alloy material, inner edge metallization electromagnetic shielding fiber fabric layer.
Described checkout gear comprises that photovoltaic element (4) is detected at the Qianmen being fixed on conveyer upstream end, the middle part of being fixed on conveyer middle part puts back door detection photovoltaic element (6) detected photovoltaic element (5) and be fixed on the conveyer port of export in place.
This device, only for same frequency range UHF hyperfrequency equipment interference, comprises infrared ray light-metering electricity, photovoltaic element (4) is detected at shield door (2), cylinder (3), Qianmen, Qianmen photoelectricity, middle part put in place and detect photovoltaic element (5), back door photoelectricity, back door detection photovoltaic element (6), electromagnetically operated valve (7), limit switch.Whether described infrared detection photoelectricity totally 2 groups, have goods for detecting shielding front/rear door; Shield door mode before and after described shield door (2) adopts; Totally 2, described cylinder (3), provides power for opening closedown front/rear door; Photovoltaic element (4) is detected at described Qianmen, to put in place situation, and is supplied to controller signals, carry out Logic judgment for detected material before detecting gate; Described Qianmen photoelectricity, to put in place situation for detecting detected material Qianmen; Described middle part puts in place and detects photovoltaic element (5), arriving in the middle part of checkout equipment, and being supplied to controller signals, carrying out Logic judgment, carrying out next step action for detecting detected material; Described back door photoelectricity, to put in place situation for detecting detected material back door; Photovoltaic element (6) is detected at described back door, to put in place situation, and being supplied to controller signals, carrying out Logic judgment for detecting back door detected material; Described electromagnetically operated valve (7) totally 2 is front and back cylinder (3) device for opening, the on-off switch of gas source, and controller is controlled; Described limit switch totally 4, puts in place up and down for detecting front/rear door, the seal of inspection door.
In the present embodiment, described application of installation is in case room (1) the RFID checkout gear of more piece conveying system, and this conveying system should possess in front end, chain, last-of-chain three saves conveying.Described device profile adopts case room (1) (tunnel type) shielding construction, and inwall installs shielding material; Described shield door adopts aluminum alloy material, interior edge metallization electromagnetic shielding fabric; Described device is put in place by its transducer identification goods, Pneumatic automatic-control parts, the RFID shield door promoted with shielding material carries out action, by upper and lower sensing element, ensure the seal that shield door closes, thus the extraneous UHF FRID label information of strict shielding, guarantee the reliability that high-power read write line and high-gain aerial UHF RFID case room (1) identify and accuracy; The profile of described device to goods does not have close dimensional and shape need; Described device can carry out batch in conveying system and distinguish operation.
With reference to the circuit diagram shown in Fig. 3, the specific works process of the present embodiment and principle as follows.
Detected material arrives object test light electric unit (4) in front of the door by transmission system, object test light electricity transmits signals to controller in front of the door, whether controller inspection door upper limit position switch puts (whether door is opened) in place, and whether putting in place in the middle part of judging, it is in stockit is available to detect photovoltaic element (5), if door has been opened and out of stock, controller notice front end conveying system continues to run, and detected material carries out case room (1) RFID and detects; If one of two conditions do not meet, the front end conveying system stop motion of controller notice, after satisfying condition (out of stock in detection case, and shield door (2) open put in place), then carry out cartonning detection.
Detected material arrives (middle part puts in place and detects photovoltaic element (5) place) in the middle part of detection case, controller checks whether shield door (2) place has goods (being detected by front infrared inspection photoelectricity and Qianmen photoelectricity), if without goods, controller Controlling solenoid valve (7), cylinder (3) action, front and back shield door (2) start to close, when shield door (2) is closed, until lower position switch action, control to remove.If there is goods, controller controls front end conveying system counteragent, goods is shifted out shield door (2), then carries out closing the door action.
After detected material has detected, case room (1) RFID device system sends door opening command to door controller, after controller receives order, Controlling solenoid valve (7), cylinder (3) action, front and back shield door (2) start to open, when shield door (2) is opened, until upper limit position switch action, control to remove, and check that back door checks whether photoelectricity has goods, if without goods, conveying system positive action in controller notice chain, transports case room (1) RFID device by detected material; If without goods, after waiting for that circulation of goods is walked by conveying system, controller reinforms conveying system in chain and carries out positive action.A set of gate control release, waits for next detected material.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. the automatic shield device in the box identification of RFID, comprise transfer system, it is characterized in that, described transfer system is arranged the case room (1) that has container cavity, this case room (1) arranged outside has the shield door (2) being used to open or close case room (1), the keying of described shield door (2) is controlled by cylinder (3), described cylinder (3) is arranged on case room (1), described case room (1) is also provided with the electromagnetically operated valve (7) operated for control cylinder (3);
Described transfer system is provided with detect measured object position checkout gear, described shield door (2) is provided with multiple limit switch for detecting shield door (2) seal.
2. the automatic shield device in the box identification of a kind of RFID according to claim 1, is characterized in that: described device profile adopts case room (1) shielding construction, and case room (1) inwall installs screen.
3. the automatic shield device in the box identification of a kind of RFID according to claim 1, is characterized in that: described shield door (2) adopts aluminum alloy material, its inner edge metallization electromagnetic shielding fiber fabric layer.
4. the automatic shield device in the box identification of a kind of RFID according to claim 1, is characterized in that: described checkout gear comprises that photovoltaic element (4) is detected at the Qianmen being fixed on conveyer upstream end, the middle part of being fixed on conveyer middle part puts back door detection photovoltaic element (6) detected photovoltaic element (5) and be fixed on the conveyer port of export in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656603.2U CN204425891U (en) | 2014-11-05 | 2014-11-05 | Automatic shield device in the box identification of a kind of RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656603.2U CN204425891U (en) | 2014-11-05 | 2014-11-05 | Automatic shield device in the box identification of a kind of RFID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204425891U true CN204425891U (en) | 2015-06-24 |
Family
ID=53476210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420656603.2U Expired - Fee Related CN204425891U (en) | 2014-11-05 | 2014-11-05 | Automatic shield device in the box identification of a kind of RFID |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204425891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909738A (en) * | 2017-12-26 | 2018-04-13 | 福建骏鹏易丰商用设备有限公司 | Shared cubby |
-
2014
- 2014-11-05 CN CN201420656603.2U patent/CN204425891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909738A (en) * | 2017-12-26 | 2018-04-13 | 福建骏鹏易丰商用设备有限公司 | Shared cubby |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204595872U (en) | A kind of RFID batch scanning device | |
| CN204425891U (en) | Automatic shield device in the box identification of a kind of RFID | |
| CN206937583U (en) | A kind of intelligence and storehouse system and the piler with the system and curing kilns | |
| KR101192833B1 (en) | Product Distribution Management System Using RFID Shield Room And Management Method | |
| CN205526439U (en) | Passageway detects letter sorting system based on RFID technique | |
| CN204143459U (en) | For the super high frequency radio frequency reading device of automatic transport | |
| CN205786732U (en) | A kind of modified form shielded box | |
| CN205384618U (en) | RFID monitoring channel | |
| CN101900689A (en) | Glass substrate breakage detection equipment and method | |
| CN105987562A (en) | Refrigeration appliance | |
| CN202257590U (en) | Automatic identification apparatus for measuring device | |
| CN202600719U (en) | A RFID entire box channel shielding door | |
| CN103714366B (en) | Superhigh frequency recognition duplex channel machine based on RFID | |
| CN204390319U (en) | A kind of safety management system based on REID | |
| CN203652676U (en) | RFID-based automatic shield doors in ultrahigh frequency identification bidirectional channel machine | |
| KR20180007096A (en) | Rfid system using rfid sheild room | |
| CN205786730U (en) | A kind of new-type automatic shield box structure | |
| CN203659031U (en) | RFID-based antenna in ultra high frequency identification bidirectional channel machine | |
| CN205270153U (en) | Auxiliary device of airport luggage letter sorting system based on RFID | |
| CN204661055U (en) | A kind of intelligent elevator | |
| CN201607747U (en) | Detecting device used for high-density ultra-high frequency radio-frequency label | |
| CN210488599U (en) | Telescopic intensive large-cargo volume RFID read-write channel device for warehouse | |
| CN203606846U (en) | Integrated conveyor belt radio frequency identification channel system | |
| CN103617438A (en) | Integrated conveyor belt radio frequency identification channel system | |
| CN206835518U (en) | Interior circulation rack and device systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20151105 |
|
| EXPY | Termination of patent right or utility model |