CN101566520A - Vibration and pressure testing device applicable to RFID passive tag - Google Patents

Vibration and pressure testing device applicable to RFID passive tag Download PDF

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Publication number
CN101566520A
CN101566520A CNA2009100839557A CN200910083955A CN101566520A CN 101566520 A CN101566520 A CN 101566520A CN A2009100839557 A CNA2009100839557 A CN A2009100839557A CN 200910083955 A CN200910083955 A CN 200910083955A CN 101566520 A CN101566520 A CN 101566520A
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China
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vibration
pressure
flat plate
motor
oscillating flat
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CNA2009100839557A
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CN101566520B (en
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宁焕生
余生坤
徐群玉
刘俊
陈唯实
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Beihang University
Beijing University of Aeronautics and Astronautics
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Beihang University
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Abstract

The invention relates to a vibration and pressure testing device applicable to an RFID passive tag and belongs to the field of RFID application and testing. The device comprises a vibration part and a pressure part, wherein the vibration part comprises a vibrating plate, an oscillation system (consisting of a vibrator and a controller), a support system and a base seat, the pressure part comprises a pressure applying thin plate and a force applying part, and the vibration property and the pressure are variable. The device has the advantages of being capable of providing vibration action and pressure action which are relatively similar to the real using environment for the RFID passive tag, effectively executing vibration and pressure testing to the tag and evaluating the anti-vibration property and anti-pressure property; and simultaneously, the device is characterized by easy implementation, low cost, good convenience, excellent integrated performance and the like.

Description

A kind of vibration, pressure experimental device that is applicable to the RFID passive label
Technical field
The invention belongs to RFID application testing field, relate to a kind of vibration, pressure experimental device of the RFID of being applicable to passive label, be mainly used in the screening of the anti-vibration of RFID passive label, compressive resistance performance testing experiment and label.
Background technology
Along with the development of RFID technology, its application is more and more, and passive label is as the RFID most important information carrier, have in light weight, volume is little, the life-span is long, cost is low and can be made into characteristics such as multiple shape, so its range of application is the most extensive.Passive label is in its life cycle, can be subjected to various environmental impacts inevitably, and vibration and pressure are exactly wherein most important two kinds of environmental activities, so the anti-vibration of testing RFID passive label, compressive resistance performance are necessary to the promotion and application of RFID technology.Particularly the RFID technology is applied to some field, need vibrate label, pressure test, selects label that important references is provided during for the project implementation, guarantees that label can operate as normal after frequently being subjected to vibration and pressurized, and reaches the serviceable life of expection.
Vibration testing device at present commonly used mainly is divided into mechanical type, electromotive force and fluid pressure type testing table, and characteristics such as these test units mostly have complex structure, volume is big, quality is heavy, mobile inconvenience are not so often be suitable for test to the RFID passive label.And these vibration testing devices often cost are higher, when it is used for RFID passive label vibration test, can further strengthen the technical costs of RFID, are unfavorable for the popularization and the development of RFID technology.Simultaneously, these test units do not have the pressure test function substantially, and the RFID label is when using in some fields, the effect that when being subjected to oscillating action, also can be under pressure, thereby these single vibration testing devices can not play good test effect.At the characteristics of RFID passive label, in conjunction with its actual environment for use, the present invention proposes a kind of vibration, pressure experimental device of the RFID of being applicable to passive label in some field, can be easily to label effectively vibrate, pressure test.
Summary of the invention
The objective of the invention is to: vibration, pressure experimental device that a kind of RFID of being applicable to passive label is provided, realization is to the test of label anti-vibration and compressive property, be convenient to the screening of relevant unit, promote the development of RFID technology and promote it in widespread uses wider, more areas to label.
Technical scheme of the present invention is: a kind of vibration of the RFID of being applicable to passive label, pressure experimental device, and its involving vibrations and pressure two parts, both are assembled in aggregates.Wherein oscillating component mainly is made of oscillating flat plate [9], excitation system, support system and pedestal [1], guarantees the guidance system of direction of vibration in addition; Pressure portion is made of thin plate of exerting pressure [10] and force application part.The oscillating flat plate of oscillating component [9] can be made with material of greater hardness such as wood materials, synthetic material or iron and steel, and its size is determined by actual needs.Excitation system is made of vibrator and controller: vibrator is made of motor [8], drive mechanism [5], rotating shaft [7], eccentric body [6] and rolling bearing units [4], is mounted on the lower surface of oscillating flat plate [9], the exciting force that generator is required; Controller is connected with vibrator, the form of control exciting force that vibrator produces, and then the vibration mode of modifier.Support system is made of flexible member [3], is installed between oscillating flat plate [9] and the pedestal [1] by retaining element, cooperates with vibrator to make oscillating flat plate [9] produce vibration, also plays the effect of supporting oscillating flat plate [9] in addition.Pedestal [1] is made by the bigger material of iron and steel isodensity, and oscillating flat plate [9] is fixed thereon by support system, and the excitation system controller is mounted thereon, and for stablizing of system, pedestal [1] weight is bigger, but also can take installation form to be fixed in ground.Guidance system is made up of the axis of guide [14], axis of guide bearing and pilot bushing, is installed between pedestal [1] and oscillating flat plate [9], and it can avoid the direction of vibration of oscillating flat plate [9] to depart from.The thin plate of exerting pressure [10] material of pressure portion is not limit, and its size is determined by tested label, is fixed in force application part.Force application part mainly is made of spring [11], and control action is in the pressure size of label by the deformation that changes spring.Pressure portion is installed on the upper surface of oscillating flat plate [9] by fixed part [12], and tested RFID passive label just is placed between thin plate of exerting pressure [10] and the oscillating flat plate [9].This device when its oscillating component and pressure portion are moved simultaneously, can be subjected to vibration and the coefficient test of pressure to label; But when its oscillating component and pressure portion isolated operation, can carry out label and only be vibrated or the test of pressure effect.
Advantage of the present invention is: a kind of vibration, pressure experimental device are provided, can provide the vibration of comparison near its true environment for use, pressure effect for the RFID passive label, can be effectively to label vibrate, the pressure test test, assess its antivibration and compressive property.This device have be easy to realize, cost is low, volume is little, in light weight, advantage such as be convenient to move, neither can raise the cost when being applied to the test of RFID passive label, also have good convenience and with the integrated performance of other equipment.According to actual testing experiment needs, can select when using this device tested label is applied vibration, pressure acting in conjunction, still apply independent vibration or pressure effect.
Description of drawings
Fig. 1 is the conceptual scheme of one embodiment of the present of invention.
Embodiment
In conjunction with a specific embodiment, the present invention is done describing in further detail below.
Referring to Fig. 1, a kind of vibration, pressure experimental device embodiment conceptual scheme that is applicable to the RFID passive label.This embodiment, its oscillating flat plate [9] is fixed in pedestal by four support springs [3] on four angles, the support system of four support springs [3] constituent apparatus, in order to guarantee the balance of system, the performance parameter of support spring [3] must guarantee unanimity, and its installation site also must guarantee strict symmetry.This embodiment, the vibrator of its excitation system is made of motor [8], drive mechanism [5], rotating shaft [7], eccentric body [6] and rolling bearing units [4]; Its controller is electric machine controller [2], is installed on the pedestal [1], is connected with motor [8].Motor [8] be installed on oscillating flat plate [9] under, its barycenter and oscillating flat plate [9] barycenter is on same vertical curve, balance with assurance device, motor [8] is selected brush DC or the AC servo motor that possesses the excellent shock performance for use, has that volume is little, in light weight, cost is low and the excellent characteristics of rotating speed control performance.Drive mechanism [5] is connecting motor output shaft and rotating shaft [7], adopts band transmission synchronously, and it is high a bit to have that high speed transmission applicability is good, ratio of gear accurately reaches transmission efficiency.Under oscillating flat plate [9] and motor [8], its barycenter and oscillating flat plate [9] and motor [8] barycenter are positioned at same vertical curve by rolling bearing units [4] horizontal fixed in rotating shaft [7], and this is the balance for assurance device equally.The eccentric body that parameter is identical [6] symmetry is installed on the rotating shaft two ends, adopts structures such as eccentric wheel or eccentric block.This embodiment, its force application part change structure [13] by force application spring [11] and spring deformation and constitute.Force application spring can be the metal stage clip, also can be the stage clip of other materials; Its spring deformation changes structure [13] and is designed to multiplex's font, and the slit of this structure will agree with fixed part [12] perfection, by cooperates the change spring deformation amount that realizes with fixed part [12].
A kind of vibration, pressure experimental device embodiment that is applicable to the RFID passive label, its vibration mechanism is: motor [8] output shaft drives rotating shaft [7] by drive mechanism [5] and rotates, the eccentric body [6] at rotating shaft [7] two ends also rotates thereupon, the centrifugal force that produces when eccentric body [6] rotates is the exciting force of device, this exciting force acts on the oscillating flat plate [9], cooperates with support spring [3] to make oscillating flat plate [9] realize vibration.The vibration performance of this embodiment device is main and motor [8] rotating speed, support spring [3] parameter and eccentric body [6] parameter are closely related.After support spring [3] is determined, change motor [8] rotating speed and the eccentric body [6] that uses different quality, can change exciting force size and frequency, realize characteristics such as control system Oscillation Amplitude and vibration frequency by electric machine controller [2].Because eccentric body [6] is positioned at same horizontal level, and install in rotating shaft [7] two ends symmetries, so the horizontal component of its centrifugal force is cancelled each other, promptly Zhuan Zhi exciting force vertically and makes oscillating flat plate each several part stress equalization, the generation up-down vibration.This embodiment does not depart from order to ensure direction of vibration, adds guidance system between oscillating flat plate [9] and pedestal [1], and guidance system is made of the axis of guide [14], guide type shoe and pilot bushing.Pedestal [1] is fixed in by guide type shoe in the axis of guide [14] lower end, and pilot bushing is inserted in the axis of guide [14], and is installed on the oscillating flat plate [9], so just makes that oscillating flat plate [9] can only up-down vibration.This embodiment, its pressure change mechanism is: utilize between fixed part [12] and the oscillating flat plate [9] apart from constant, change structure [13] by mobile multiplex's font spring deformation, it is agreed with fixed part in different slits up and down mutually, reach the deformation that changes force application spring [11], thereby change application of force thin plate [10] RFID passive label applied pressure.This embodiment, its vibration, pressure experimental device can either effectively finish vibration, the pressure acting in conjunction test to the RFID passive label, also can finish vibration or pressure independent experiment to label.
More than describe formation of the present invention and implementation process in detail, described vibration and pressure portion also can constitute independent vibration and pressure experimental device respectively.The present invention includes described embodiment, but be not limited to this way of realization.Based on vibration of the present invention, pressure experimental device, its specific implementation form can have many variations, if its thought according to the invention or adopted technical scheme of the present invention all should belong to category of the present invention.

Claims (4)

1, a kind of vibration that is applicable to the RFID passive label, pressure experimental device, involving vibrations and pressure two parts: oscillating component is mainly by oscillating flat plate [9], the excitation system that vibrator and controller are formed, support system and pedestal [1] constitute, oscillating flat plate [9] is fixed in pedestal [1] by support system, vibrator is by motor [8], drive mechanism [5], rotating shaft [7], eccentric body [6] and rolling bearing units [4] constitute, motor [8] is installed under the oscillating flat plate [9], and be connected with rotating shaft [7] by drive mechanism [5], rotating shaft [7] by rolling bearing units [4] be installed on oscillating flat plate [9] and motor [8] under, eccentric body [6] is installed on the two ends of rotating shaft [7], controller is that electric machine controller [2] is connected with motor [8], and be installed on pedestal [1], support system is made of flexible member [3], be installed between oscillating flat plate [9] and the pedestal [1] by correlated parts, play the effect of supporting oscillating flat plate [9], and cooperates with vibrator and to make oscillating flat plate [9] generation up-down vibration; Pressure portion is made of thin plate of exerting pressure [10] and force application part, force application part is made of compression spring [11] and spring deformation control structure [13], spring deformation changes structure [13] and is designed to multiplex's font, and the slit of this structure and fixed part [12] perfection agrees with, cooperate the deformation that changes spring by multiplex's font structure with fixed part [12], the controlled pressure size, pressure portion is installed on oscillating flat plate [9] by fixed part [12], with the integrated integral body of oscillating component, be tested label lay down location between thin plate of exerting pressure [10] and the oscillating flat plate [9]; This device also comprises guidance system, and guidance system can avoid the direction of vibration of this device to depart from by the axis of guide [14] and formations such as necessary part such as axis of guide bearing.
2, vibration according to claim 1, pressure experimental device, it is characterized in that: motor [8] is selected the dc brushless motor or the AC servo motor of good rotating speed control performance for use, its rotating speed can pass through electric machine controller [2] control, drive mechanism [5] adopts band transmission synchronously, eccentric body [6] adopts eccentric wheel or eccentric block structure, by changing the quality of motor [8] rotating speed and eccentric body [6], change exciting force size and frequency that vibrator produces, realize the Oscillation Amplitude and the frequency of control device.
3, vibration according to claim 1, pressure experimental device, it is characterized in that: the testing experiment that both can be used for the RFID passive label, also can be used for the test of other relative articles, according to the actual environment for use of test specimen, optional vibration and pressure acting in conjunction or effect separately.
4, vibration according to claim 1, pressure experimental device is characterized in that: this vibration and pressure portion both can integrated integral body, also can constitute independently vibration testing device and pressure experimental device respectively.
CN2009100839557A 2009-05-13 2009-05-13 Vibration and pressure testing device applicable to RFID passive tag Expired - Fee Related CN101566520B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818742A (en) * 2012-08-22 2012-12-12 山东高速青岛公路有限公司 Template liner water storage capability test device
CN103065171A (en) * 2012-12-26 2013-04-24 东莞华中科技大学制造工程研究院 Multi working condition detection device of radio frequency identification (RFID) labels and reader-writer
CN104034502A (en) * 2014-06-24 2014-09-10 同济大学 Frequency-variable multilevel vibrating load test device
CN107817336A (en) * 2017-09-28 2018-03-20 芜湖美威包装品有限公司 Pack the device for detecting performance of foam
CN108959013A (en) * 2018-06-26 2018-12-07 芜湖广智天和信息技术有限公司 A kind of computer hardware development vibration amplitude testboard
CN109883638A (en) * 2019-04-09 2019-06-14 黄淮学院 A kind of Hollow Block Masonry Structure Anti-seismic toughness detection device and detection method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004001960U1 (en) * 2004-02-09 2004-06-17 F + E Ingenieurgesellschaft mbH für Energieberatung und Festigkeitsanalyse Component vibration test stand can insert elastic medium in drive path to vary spring constant of gas spring with eccentric drive
CN100498264C (en) * 2006-05-31 2009-06-10 江苏万工科技集团有限公司 Shedding cam vibration measuring device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818742A (en) * 2012-08-22 2012-12-12 山东高速青岛公路有限公司 Template liner water storage capability test device
CN103065171A (en) * 2012-12-26 2013-04-24 东莞华中科技大学制造工程研究院 Multi working condition detection device of radio frequency identification (RFID) labels and reader-writer
CN104034502A (en) * 2014-06-24 2014-09-10 同济大学 Frequency-variable multilevel vibrating load test device
CN107817336A (en) * 2017-09-28 2018-03-20 芜湖美威包装品有限公司 Pack the device for detecting performance of foam
CN108959013A (en) * 2018-06-26 2018-12-07 芜湖广智天和信息技术有限公司 A kind of computer hardware development vibration amplitude testboard
CN109883638A (en) * 2019-04-09 2019-06-14 黄淮学院 A kind of Hollow Block Masonry Structure Anti-seismic toughness detection device and detection method

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