CN102722189A - Multipoint vibration aging control system - Google Patents
Multipoint vibration aging control system Download PDFInfo
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- CN102722189A CN102722189A CN2011101701575A CN201110170157A CN102722189A CN 102722189 A CN102722189 A CN 102722189A CN 2011101701575 A CN2011101701575 A CN 2011101701575A CN 201110170157 A CN201110170157 A CN 201110170157A CN 102722189 A CN102722189 A CN 102722189A
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Abstract
The invention, which relates to the vibration control technology field for eliminating residual stress generated during process production of a metal component, provides a multipoint vibration aging control system. The system comprises a data collection card, a PC machine, a junction box, vibration exciter driving circuits, vibration exciters, acceleration transducers and a signal conditioning circuit; the PC machine is connected with the data collection card. The data collection card, which is connected with the vibration exciter driving circuits by the junction box, outputs multi-group control signals including a control voltage and a drive pulse to drive the plurality of vibration exciters to work; and the plurality of vibration exciters are connected with the acceleration transducers by workpieces. The data collection card enables multi-path acceleration signals detected by the plurality of acceleration transducers to be collected into the PC machine by the junction box and the signal conditioning circuit so as to carry out analyzing and processing. Therefore, working efficiency and work qualities of vibration aging are substantially improved, so that an elimination effect of the residual stress become obvious; and an intelligent level of the vibration aging control system is also improved.
Description
Technical field:
The present invention relates to eliminate the vibration control technology field of the unrelieved stress that hardware produces in the processing operation, particularly relate to a kind of multiple spot oscillating aging control system.
Background technology:
In big-and-middle-sized hardware processing and manufacturing process, unrelieved stress that operation caused such as hot and cold processing and non-uniform Distribution thereof are brought for mechanical property and the dimensional stability of member and had a strong impact on.For eliminate with the homogenize hardware in unrelieved stress; Can take methods such as natrual ageing, heat aging, static overload timeliness, thermal shock timeliness, oscillating aging; Wherein oscillation time-effect method is owing to have characteristics such as small investment, low, the time weak point of power consumption, good economy performance, and makes its application increasingly extensive.
In the prior art, vibration ageing device often adopts a vibrator to carry out the operation of exciting timeliness and adopts an acceleration transducer to gather vibration signal, and the defective of its existence is:
(1) single point excitation.Eliminate during single vibrator operation with the homogenize workpiece in the effect of unrelieved stress often can not reach desirable Expected Results, and if adopt a plurality of resonance frequencies exciting in succession, will make the prolongation of timeliness activity duration.
(2) single-point acquiring.When acceleration transducer is placed on the node of a certain natural mode of vibration of workpiece; Accekeration in the time of can't detecting Workpiece vibration or technological parameter occur to be leaked select, falsely drop etc.; And, might make effect of vibration stress relief erroneous judgement etc. occur if being employed in the workpiece multiple spot detects in succession.
Summary of the invention:
The objective of the invention is to develop a kind of multiple spot oscillating aging control system to defective of the prior art; Introduce virtual instrument technique; And through the emitter follower element circuit; Realized that many groups control signal was exported in the time of (comprising control voltage and driving pulse) and the synchronous acquisition of Multichannel Acceleration signal, thereby effectively overcome a series of problems of the said existence of background technology.The technical solution adopted for the present invention to solve the technical problems is: multiple spot oscillating aging control system; Comprise data collecting card (2) and be used for the PC (1) of control data capture card (2); It is characterized in that: the LabVIEW primary control program is installed on the described PC (1) links to each other with terminal box (3) through data collecting card (2); The control voltage of terminal box (3) links to each other with a plurality of vibrators (5) through vibrator driving circuit (4) with the pulsed frequency delivery outlet; A plurality of vibrators (5) link to each other with a plurality of acceleration transducers (7) through workpiece (6), and a plurality of acceleration transducers (7) are connected through the input port of signal conditioning circuit (8) with terminal box (3).
Described PC (1) adopts LabVIEW Programming with Pascal Language exploitation, exports adjustable control voltage signal of multichannel and one road driving pulse simultaneously through data collecting card (2).
Described vibrator driving circuit (4) adopts the emitter follower element circuit, and the road driving pulse that data collecting card (2) is exported is transformed to the identical driving pulse of multichannel.
Frequency sweep adopted a plurality of acceleration transducers (7) to detect simultaneously before described workpiece (6) shook, single vibrator (5) exciting that exciting force is adjustable; Ageing Treatment adopts a plurality of acceleration transducers (7) to detect simultaneously, and a plurality of vibrators (5) that exciting force is adjustable are simultaneously with the frequency exciting; Adopt single acceleration transducer (7) to detect single vibrator (5) exciting that exciting force is adjustable when shaking the back frequency sweep.
Described workpiece (6) accekeration that a plurality of vibrators (5) are gathered according to a plurality of acceleration transducers (7) when Ageing Treatment is regulated exciting force size circulation ag(e)ing process automatically, meets mechanical industry standard JB/T 5926-2005 until institute's measuring acceleration-time curve.
Frequency sweep adopted a plurality of acceleration transducers (7) to detect simultaneously before described workpiece (6) shook, and sought excited frequency.
Described data collecting card (2) advances PC (1) through terminal box (3) and the detected Multichannel Acceleration signals collecting of signal conditioning circuit (8) degree of will speed up sensor (7) and carries out analyzing and processing.
The present invention compares with background technology, and the beneficial effect that has is: described multiple spot oscillating aging control system, and it has changed traditional oscillating aging work pattern:
(1) big or small according to a plurality of exciting forces with the frequency vibrator of the accekeration closed-loop control of each collection in the timeliness, exciting is eliminated the workpiece unrelieved stress, has improved the efficient of system job greatly, and the effect that makes unrelieved stress eliminate is more obvious;
(2) multiple spot online detection simultaneously in the frequency sweep can be determined the excited frequency of control system fast and accurately, thereby effectively raise the operation quality of Ageing Treatment;
(3) exploitation of fully automatic mode has improved the intelligent level of oscillating aging control system.
Description of drawings:
Fig. 1 is a hardware controlling structural representation of the present invention;
Fig. 2 is the fully automatic mode control method process flow diagram of system of the present invention;
Fig. 3 is the semi-automatic pattern control method process flow diagram of system of the present invention;
Fig. 4 is the manual mode control method process flow diagram of system of the present invention.
Embodiment:
Do further to detail below in conjunction with the most preferred embodiment shown in the accompanying drawing:
One road driving pulse of data collecting card (2) output is through the emitter follower element circuit in the vibrator driving circuit (4); Be transformed to the identical driving pulse of multichannel; And with the multichannel control combination of voltages of terminal box (3) output, thereby form many group control signals, through a plurality of vibrator driving circuits; Be connected to vibrator (5), drive a plurality of vibrator work.
Acceleration transducer (7) detects vibration acceleration signal, links to each other with terminal box (3) through signal conditioning circuit (8), and the Multichannel Acceleration signal is sent into terminal box (3).Data collecting card (2) is gathered the Multichannel Acceleration signal, sends into PC (1), carries out the analysis and the processing of data.
Data collecting card (2) is through the control voltage of terminal box (3) output 0～5.0V, and the burst length width is that 1.25ms, scope are the pulse duration frequency signal of 1～400Hz.
(1) system start-up, the autodiagnosis test, if abnormal conditions are arranged, manual intervention is fixed a breakdown, and continues autodiagnosis, normal back gets into working state of system.
(2) initialization all hardware equipment for the device parameter assignment of the driving function of total interface, distributes temporarily providing room in internal memory.
(3) select the control system mode of operation, comprise fully automatic mode, semi-automatic pattern and manual mode.
(4) if select fully automatic mode:
1. the selective system module if select oscillating aging operation module, then at first is provided with shake preceding frequency sweep, Ageing Treatment parameter, the preceding frequency sweep of shaking.
2. carry out Ageing Treatment; Judge whether acceleration-time curve meets mechanical industry standard JB/T 5926-2005 after accomplishing, if meet the back frequency sweep of then shaking, if do not meet; Judge then whether the exciting electric current surpasses maximal value; If surpass, the back frequency sweep of then shaking, otherwise the exciting electric current is from adding the continued Ageing Treatment.
3. the back frequency sweep of shaking is accomplished the back system and automatically acceleration information is carried out analyzing and processing, and judges the Ageing Treatment effect, if the completion Ageing Treatment, and Returning process (3) or log off then; If imperfect tense imitate to handle, then change vibrator after Returning process 2., proceed the oscillating aging operation and handle.
4. flow process 1. in if select frequency sweep data query or timeliness data query module, selections needs the data file of inquiry, click is inquired about or is printed; Returning process (3) or log off then.
(5) if select semi-automatic pattern:
1. the selective system module if select oscillating aging operation module, then at first is provided with shake preceding frequency sweep, Ageing Treatment parameter; Preceding frequency sweep, the Ageing Treatment of shaking successively then and the back frequency sweep oscillating aging operation of shaking are handled.
2. after the back frequency sweep of shaking was accomplished, system carried out analyzing and processing to acceleration information automatically, and judged the Ageing Treatment effect, if accomplish Ageing Treatment, and Returning process (3) or log off then; Handle if imperfect tense imitate, then the exciting electric current returns the Ageing Treatment submodule after adding, and proceeds the oscillating aging operation and handles.
3. flow process 1. in if select frequency sweep data query or timeliness data query module, selections needs the data file of inquiry, click is inquired about or is printed; Returning process (3) or log off then.
(6) if select manual mode:
1. the selective system module if select oscillating aging operation module, then at first is provided with shake preceding frequency sweep, Ageing Treatment parameter; Preceding frequency sweep, the Ageing Treatment of shaking successively then and the back frequency sweep oscillating aging operation of shaking are handled.
2. after the back frequency sweep of shaking was accomplished, system carried out analyzing and processing to acceleration information automatically, and judged the Ageing Treatment effect, if accomplish Ageing Treatment, and Returning process (3) or log off then; If imperfect tense imitate to handle, then 1. Returning process selects Ageing Treatment and the back frequency sweep submodule that shakes after resetting the exciting current value in the preceding frequency sweep of shaking, the Ageing Treatment parameter again, proceeds the oscillating aging operation and handles.
3. flow process 1. in if select frequency sweep data query or timeliness data query module, selections needs the data file of inquiry, click is inquired about or is printed; Returning process (3) or log off then.
Claims (7)
1. multiple spot oscillating aging control system; Comprise data collecting card (2), PC (1), terminal box (3), vibrator driving circuit (4), vibrator (5), acceleration transducer (7) and signal conditioning circuit (8); It is characterized in that: the LabVIEW primary control program is installed on the described PC (1) links to each other with terminal box (3) through data collecting card (2); The control voltage of terminal box (3) links to each other with a plurality of vibrators (5) through vibrator driving circuit (4) with the pulsed frequency delivery outlet; A plurality of vibrators (5) link to each other with a plurality of acceleration transducers (7) through workpiece (6), and a plurality of acceleration transducers (7) are connected through the input port of signal conditioning circuit (8) with terminal box (3).
2. a kind of multiple spot oscillating aging control system according to claim 1 is characterized in that: described PC (1) adopts LabVIEW Programming with Pascal Language exploitation, exports adjustable control voltage signal of multichannel and one road driving pulse simultaneously through data collecting card (2).
3. a kind of multiple spot oscillating aging control system according to claim 1; It is characterized in that: described vibrator driving circuit (4); Adopt the emitter follower element circuit, the road driving pulse that data collecting card (2) is exported is transformed to the identical driving pulse of multichannel.
4. a kind of multiple spot oscillating aging control system according to claim 1 is characterized in that: frequency sweep adopted a plurality of acceleration transducers (7) to detect simultaneously before described workpiece (6) shook, single vibrator (5) exciting that exciting force is adjustable; Ageing Treatment adopts a plurality of acceleration transducers (7) to detect simultaneously, a plurality of vibrators (5) synchronous exciter that exciting force is adjustable; Adopt single acceleration transducer (7) to detect single vibrator (5) exciting that exciting force is adjustable when shaking the back frequency sweep.
5. a kind of multiple spot oscillating aging control system according to claim 1; It is characterized in that: described workpiece (6) accekeration that a plurality of vibrators (5) are gathered according to a plurality of acceleration transducers (7) when Ageing Treatment is regulated exciting force size circulation ag(e)ing process automatically, meets mechanical industry standard JB/T 5926-2005 until institute's measuring acceleration-time curve.
6. a kind of multiple spot oscillating aging control system according to claim 1 is characterized in that: frequency sweep adopted a plurality of acceleration transducers (7) to detect simultaneously before described workpiece (6) shook, and sought excited frequency.
7. a kind of multiple spot oscillating aging control system according to claim 1 is characterized in that: described data collecting card (2) advances PC (1) through terminal box (3) and the detected Multichannel Acceleration signals collecting of signal conditioning circuit (8) degree of will speed up sensor (7) and carries out analyzing and processing.
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| CN2011101701575A CN102722189A (en) | 2011-06-20 | 2011-06-20 | Multipoint vibration aging control system |
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| CN2011101701575A CN102722189A (en) | 2011-06-20 | 2011-06-20 | Multipoint vibration aging control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103294044A (en) * | 2013-07-01 | 2013-09-11 | 南京工程学院 | Vibrating mechanical high-vibration-strength performance measuring and controlling device based on LabVIEW and measuring and controlling method thereof |
| CN103353732A (en) * | 2013-07-26 | 2013-10-16 | 北京翔博科技有限责任公司 | Control circuit of modal wideband vibration elimination stress device and control method |
| CN103773945A (en) * | 2014-01-25 | 2014-05-07 | 浙江大学 | Real-time vibration-aging vibration level testing system and automatic adjustment method |
| CN108254145A (en) * | 2017-12-29 | 2018-07-06 | 苏州东菱智能减振降噪技术有限公司 | A kind of control method for realizing multi shaker synchronous vibration |
| CN108285970A (en) * | 2017-03-20 | 2018-07-17 | 南宁市神华振动时效技术研究所 | Marine drilling platform oscillation time-effect method |
| CN114107651A (en) * | 2021-10-29 | 2022-03-01 | 航天材料及工艺研究所 | Method for eliminating residual stress of large-size aluminum-lithium alloy spinning shell through heat treatment |
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| CN101967553A (en) * | 2010-10-12 | 2011-02-09 | 北京翔博科技有限责任公司 | Three-dimensional vibration stress relief multitask acquisition and control system and method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103294044A (en) * | 2013-07-01 | 2013-09-11 | 南京工程学院 | Vibrating mechanical high-vibration-strength performance measuring and controlling device based on LabVIEW and measuring and controlling method thereof |
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| CN103353732B (en) * | 2013-07-26 | 2016-01-20 | 北京翔博科技有限责任公司 | Mode wideband vibratory stress reliefing equipment control circuit and control method |
| CN103773945A (en) * | 2014-01-25 | 2014-05-07 | 浙江大学 | Real-time vibration-aging vibration level testing system and automatic adjustment method |
| CN103773945B (en) * | 2014-01-25 | 2016-05-04 | 浙江大学 | Vibratory stress relief vibration level real-time testing system and automatic adjusting method |
| CN108285970A (en) * | 2017-03-20 | 2018-07-17 | 南宁市神华振动时效技术研究所 | Marine drilling platform oscillation time-effect method |
| CN108285970B (en) * | 2017-03-20 | 2019-06-04 | 南宁市神华振动时效技术研究所 | Marine drilling platform oscillation time-effect method |
| CN108254145A (en) * | 2017-12-29 | 2018-07-06 | 苏州东菱智能减振降噪技术有限公司 | A kind of control method for realizing multi shaker synchronous vibration |
| CN108254145B (en) * | 2017-12-29 | 2020-06-26 | 苏州东菱智能减振降噪技术有限公司 | Control method for realizing synchronous vibration of multiple vibration tables |
| CN114107651A (en) * | 2021-10-29 | 2022-03-01 | 航天材料及工艺研究所 | Method for eliminating residual stress of large-size aluminum-lithium alloy spinning shell through heat treatment |
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Inventor after: Meng Jianjun Inventor after: Wang Hui Inventor after: Chen Xiaoqiang Inventor after: Jiang Xiaoqi Inventor after: Qi Wenzhe Inventor after: Xu Ruxun Inventor after: Yu Lei Inventor after: Yan Yong Inventor after: Yang Zhiwen Inventor after: Lin Sen Inventor before: Meng Jianjun Inventor before: Jin Youjuan Inventor before: Liu Feng Inventor before: Qi Wenzhe Inventor before: Wu Fu Inventor before: Zhang Cancan Inventor before: Tong Yuqi Inventor before: Wang Chao Inventor before: Wu Jiuniu Inventor before: Wu Xiang Inventor before: Yang Guojun |
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Free format text: CORRECT: INVENTOR; FROM: MENG JIANJUN QI WENZHE WU FU ZHANG CANCAN TONG YUQI WANG CHAO WU JIUNIU WU XIANG YANG GUOJUN JIN YOUJUAN LIU FENG TO: MENG JIANJUN CHEN XIAOQIANG JIANG XIAOQI QI WENZHE XU RUXUN YU LEI YAN YONG YANG ZHIWEN LIN SEN WANG HUI |
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Application publication date: 20121010 |