CN109272092A - A kind of UHF RFID tag that can detect screw loosening - Google Patents
A kind of UHF RFID tag that can detect screw loosening Download PDFInfo
- Publication number
- CN109272092A CN109272092A CN201811011006.3A CN201811011006A CN109272092A CN 109272092 A CN109272092 A CN 109272092A CN 201811011006 A CN201811011006 A CN 201811011006A CN 109272092 A CN109272092 A CN 109272092A
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- China
- Prior art keywords
- screw
- label
- follower
- detected
- loosening
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07745—Mounting details of integrated circuit chips
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geophysics And Detection Of Objects (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a kind of UHF RFID tags that can detect screw loosening, including label body and follower；RFID label antenna and label chip are provided in the label body；Label chip is connect with RFID label antenna；It is characterized by: the follower is provided centrally with screw mounting hole, the shape of the screw mounting hole is matched with the head of screw of screw to be detected；The follower is set on screw to be detected, and in the head of screw insertion screw mounting hole of screw to be detected, screw rotation to be detected drives follower accordingly to rotate；The label body is arranged on the outside of follower；The inner surface of the label body is provided with two conductive sheets, which passes through loosening detection lead respectively and connect with label chip；Follower is embedded with a power spring, and the both ends of the power spring extend outwardly, and connect respectively with two conductive sheets；The present invention can detect the loosening state of screw, realize that screw state detects automatically；It can be widely used in the various vehicles.
Description
Technical field
The present invention relates to UHF RFID tags, and in particular to a kind of UHF RFID tag that can detect screw loosening.
Background technique
With social development, the raising of up-to-dateness, transport plays increasingly in social life and social production
Big effect, most of ordinary people are dependent on train trip.Train is the important leverage of domestic personnel's transport power, full daily negative
Lotus runs at high speed, and an array carriage has thousands of screws, once there is the loosening of some screw, it is possible to cause serious thing
Therefore gently then make troubles to people's lives and production, heavy then critical the people's lives and property safety, and cause huge social shadow
Loud and economic loss.The screw detection content in compartment mainly includes loosening and the two kinds of situations that fall off at present, due to appointed condition
Limitation, main by the way of artificial range estimation and hand-kept, screw number is more, and position distribution is wider, the workload of detection
It is very big.Therefore, that there are human factors is more, management cost is high, inspection data information degree is low etc. lacks for current detection mode
It falls into.
Abort situation can be found, by thing as a kind of new equipment Managing Model using UHF RFID device inspection in time
Therefore it eliminates in budding state.Due to RFID detection efficiency with higher, implementable networking operation and long-range monitoring greatly subtract
The light workload of testing staff, improves unit starting success rate and unit availability.Therefore, screw of the RFID in railway carriage
Detection application aspect is of great significance.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of UHF RFID tag that can detect screw loosening.
In order to solve the above-mentioned technical problem, the technical scheme is that
A kind of UHF RFID tag that can detect screw loosening, including label body and follower；In the label body
It is provided with RFID label antenna and label chip；Label chip is connect with RFID label antenna；
It is characterized by: the follower is provided centrally with screw mounting hole, the shape of the screw mounting hole with it is to be checked
Survey the head of screw matching of screw；The follower is set on screw to be detected, and the head of screw of screw to be detected is embedded in screw
In mounting hole, screw rotation to be detected drives follower accordingly to rotate；The label body is arranged on the outside of follower；The mark
The inner surface of label ontology is provided with two conductive sheets, which passes through loosening detection lead respectively and connect with label chip；With
Kinetoplast is embedded with a power spring, and the both ends of the power spring extend outwardly, and connect respectively with two conductive sheets.
The present invention carries out non-contact bi-directional data biography using RFID wireless radio frequency mode between reader and RF tag
It is defeated, to achieve the purpose that target identification and data exchange.On the metal material due to screw to be detected installation, RFID tag needs
Anti-metal design.Conventionally, if RFID tag is mounted on screw, it can detecte whether screw falls off, but not
It can detect whether screw loosens.The present invention carries out the structure design of label, is drawn using detection is loosened according to the application scenarios of screw
Whether line is connected and disconnected from the feature that certain storage location reading value is different under state, can detecte the state of screw, i.e., in just
Normal state or in loosen, fall off state.
A kind of preferred embodiment of UHF RFID tag that can detect screw loosening according to the present invention, the label sheet
Body is fixed on label rack, and the label rack is fixed on the mounting surface of screw to be detected.
A kind of beneficial effect of UHF RFID tag that can detect screw loosening of the present invention is: the present invention utilizes
RFID wireless radio frequency mode carries out non-contact bidirectional data transfers between reader and RF tag, is marked using anti-loosening detection
Normally the anti-feature for being connected and disconnected from that certain storage location reading value is different under state of taking out stitches of label, can detecte the state of screw, i.e.,
State, loosening state or the state that falls off cooperate reader and management software, compartment screw state may be implemented and detect automatically；Tool
There is feature at low cost, easy to use, detection is accurate, can be widely used in the various vehicles.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the UHF RFID tag that can detect screw loosening of the present invention.
Fig. 2 is the cross-sectional view of Fig. 1.
Fig. 3 is the partial enlarged view of part A in Fig. 2.
Fig. 4 be Fig. 2 in B to partial enlarged view.
Specific embodiment
Referring to Fig. 1 to Fig. 4, a kind of UHF RFID tag that can detect screw loosening, including label body 1 and follower 2；
RFID label antenna 4 and label chip 3 are provided in the label body 1；Label chip 3 is connect with RFID label antenna 4；Institute
That states follower 2 is provided centrally with screw mounting hole, and the shape of the screw mounting hole is matched with the head of screw of screw 5 to be detected；
The follower 2 is set on screw 5 to be detected, and in the head of screw insertion screw mounting hole of screw to be detected 5, spiral shell to be detected
5 rotation of nail drives follower 2 accordingly to rotate；The setting of label body 1 is in 2 outside of follower；The interior table of the label body 1
Face is provided with two conductive sheets 9, which is connect by loosening detection lead 6 with label chip 3 respectively；Follower 2 is embedded
There is a power spring 8, the both ends of the power spring 8 extend outwardly, and connect respectively with two conductive sheets 9.
In a particular embodiment, the label body 1 is fixed on label rack 7, and the label rack 7 is fixed on spiral shell to be detected
On the mounting surface of nail 5.
When specifically used, it should ensure that the mounting surface of screw 5 to be detected has certain region that can install follower 2 and glue
Labelling ontology 1.After screw 5 to be detected firmly installs, follower 2 is installed first, then label rack 7 is installed.Label rack can
It is attached to by adhesive sticker 9 on the mounting surface of screw to be detected.The nail of the shape of the screw mounting hole of follower 2 and screw to be detected
Head shape is identical.It is provided with two loosening detection leads 6 in label body, is connect with label chip.Follower 2 embedded one is led
Electrical spring, the both ends of the power spring extend outwardly to be connect with two conductive sheets 9 respectively, and the conductive sheet 9 is respectively by loosening inspection
Lead 6 is surveyed to connect with label chip 3；When screw to be detected loosens, follower rotation, conductive sheet 9 and conduction will be driven
The connection of spring 8 is disconnected, and the RFID value that external reader is read is different from the value of connection status when not loosening, therefore
Whether distinguishable screw out loosens or falls off.
Result of implementation above shows: the present invention carries out whether detection screw loosens by UHF RFID tag, and can be certainly
It is dynamic judge screw be in normally, loosen or the state that falls off.Cooperate reader and management software simultaneously, compartment screw may be implemented
State detects automatically.
Claims (2)
1. a kind of UHF RFID tag that can detect screw loosening, including label body (1) and follower (2)；The label sheet
RFID label antenna (4) and label chip (3) are provided on body (1)；Label chip (3) is connect with RFID label antenna (4)；
It is characterized by: the follower (2) is provided centrally with screw mounting hole, the shape of the screw mounting hole with it is to be detected
The head of screw of screw (5) matches；The follower (2) is set on screw to be detected (5), and head of screw is embedded in screw mounting hole
Interior, screw (5) rotation to be detected drives follower (2) accordingly to rotate；The label body (1) is arranged on the outside of follower (2),
The inner surface of the label body (1) is provided with two conductive sheets (9), and the conductive sheet (9) is respectively by loosening detection lead (6)
It is connect with label chip (3)；Follower (2) is embedded with a power spring (8), and the both ends of the power spring (8) extend outwardly,
It is connect respectively with two conductive sheets (9).
2. a kind of UHF RFID tag that can detect screw loosening according to claim 1, it is characterised in that: the label
Ontology (1) is fixed on label rack (7), and the label rack (7) is fixed on the mounting surface of screw to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011006.3A CN109272092B (en) | 2018-08-31 | 2018-08-31 | UHF RFID tag capable of detecting screw looseness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011006.3A CN109272092B (en) | 2018-08-31 | 2018-08-31 | UHF RFID tag capable of detecting screw looseness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109272092A true CN109272092A (en) | 2019-01-25 |
| CN109272092B CN109272092B (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811011006.3A Active CN109272092B (en) | 2018-08-31 | 2018-08-31 | UHF RFID tag capable of detecting screw looseness |
Country Status (1)
| Country | Link |
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| CN (1) | CN109272092B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261082A (en) * | 2019-06-11 | 2019-09-20 | 电子科技大学 | A kind of RFID label tag and the screw loosening condition monitoring system based on it |
| CN111829768A (en) * | 2020-07-28 | 2020-10-27 | 哈尔滨工业大学 | Bolt looseness sensing device based on piezoelectric traction effect |
| CN112050726A (en) * | 2020-08-05 | 2020-12-08 | 中车长春轨道客车股份有限公司 | Rail vehicle fastener loosening detection method based on RFID tag array |
| CN112362327A (en) * | 2020-11-12 | 2021-02-12 | 重庆大学 | Application method of intelligent threaded fastener |
| CN112697183A (en) * | 2020-12-01 | 2021-04-23 | 同济大学 | Bolt looseness sensor and looseness monitoring system based on double-arc patch antenna |
| CN113218299A (en) * | 2021-04-20 | 2021-08-06 | 同济大学 | Bolt detection device and system based on double-ring patch antenna with label |
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| CN202167044U (en) * | 2010-12-29 | 2012-03-14 | 中矿启能科技(北京)有限责任公司 | Anti-dismounting fastening sealing device |
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| CN107643045A (en) * | 2017-08-23 | 2018-01-30 | 南京理工大学 | Large-scale array bolt looseness monitoring system and method based on active RFID |
| CN207346155U (en) * | 2017-06-29 | 2018-05-11 | 浙江中烟工业有限责任公司 | A kind of metal drum internal-flange bolt based on RFID technique uncages prior-warning device |
| CN108181659A (en) * | 2018-02-11 | 2018-06-19 | 上海振华重工(集团)股份有限公司 | A kind of loosening detection device and its detection method for fastener |
| CN207624031U (en) * | 2017-12-26 | 2018-07-17 | 无锡朗帆信息科技有限公司 | Patch type tamper RFID tag |
| CN207624030U (en) * | 2017-12-26 | 2018-07-17 | 无锡朗帆信息科技有限公司 | Removal-proof type RFID tag |
| CN207624033U (en) * | 2017-12-26 | 2018-07-17 | 无锡朗帆信息科技有限公司 | Concealed tamper RFID tag |
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| CN102289644A (en) * | 2011-07-29 | 2011-12-21 | 黄晓虎 | Method, system and device for monitoring mechanical structure by using radio frequency identification (RFID) tag |
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| CN206518209U (en) * | 2017-03-01 | 2017-09-26 | 广州日晖智能科技有限公司 | A kind of silica gel wrist band based on RFID |
| CN207346155U (en) * | 2017-06-29 | 2018-05-11 | 浙江中烟工业有限责任公司 | A kind of metal drum internal-flange bolt based on RFID technique uncages prior-warning device |
| CN107643045A (en) * | 2017-08-23 | 2018-01-30 | 南京理工大学 | Large-scale array bolt looseness monitoring system and method based on active RFID |
| CN107643046A (en) * | 2017-08-31 | 2018-01-30 | 南京理工大学 | Large-sized bolt rotational angle monitoring system and method based on passive RFID |
| CN207624031U (en) * | 2017-12-26 | 2018-07-17 | 无锡朗帆信息科技有限公司 | Patch type tamper RFID tag |
| CN207624030U (en) * | 2017-12-26 | 2018-07-17 | 无锡朗帆信息科技有限公司 | Removal-proof type RFID tag |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261082A (en) * | 2019-06-11 | 2019-09-20 | 电子科技大学 | A kind of RFID label tag and the screw loosening condition monitoring system based on it |
| CN111829768A (en) * | 2020-07-28 | 2020-10-27 | 哈尔滨工业大学 | Bolt looseness sensing device based on piezoelectric traction effect |
| CN112050726A (en) * | 2020-08-05 | 2020-12-08 | 中车长春轨道客车股份有限公司 | Rail vehicle fastener loosening detection method based on RFID tag array |
| CN112362327A (en) * | 2020-11-12 | 2021-02-12 | 重庆大学 | Application method of intelligent threaded fastener |
| CN112362327B (en) * | 2020-11-12 | 2023-02-03 | 重庆大学 | Application method of intelligent threaded fastener |
| CN112697183A (en) * | 2020-12-01 | 2021-04-23 | 同济大学 | Bolt looseness sensor and looseness monitoring system based on double-arc patch antenna |
| CN113218299A (en) * | 2021-04-20 | 2021-08-06 | 同济大学 | Bolt detection device and system based on double-ring patch antenna with label |
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| Publication number | Publication date |
|---|---|
| CN109272092B (en) | 2022-02-01 |
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