CN101763097A - Quality flow controller/ageing measurement monitoring system - Google Patents
Quality flow controller/ageing measurement monitoring system Download PDFInfo
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- CN101763097A CN101763097A CN200910242932A CN200910242932A CN101763097A CN 101763097 A CN101763097 A CN 101763097A CN 200910242932 A CN200910242932 A CN 200910242932A CN 200910242932 A CN200910242932 A CN 200910242932A CN 101763097 A CN101763097 A CN 101763097A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to a quality flow controller/ageing measurement monitoring system, comprising a control module, a collection module and a display module. The control module is used for controlling the collection of detection signals of product to be aged according to the type setting ageing scheme of products to be aged as well as storing, analyzing and displaying data; the collection module is connected with the control module and is used for collecting detection signals of products to be aged and transmitting the collected signal to the control module; and the display module is connected with both the control module and the collection module and is used for displaying the monitoring state and the fault. The system integrates all ageing steps in the past and can age multiple products at the same time so as to learn the working state of all parts of the product in real time and judge whether the product is qualified or not through the detected data, thereby realizing integrated, real-time and unmanned monitoring ageing. Besides, the system has high anti-jamming capability, high precision and reliable performance.
Description
Technical field
The present invention relates to mass rate control technology field, relate in particular to a kind of mass flow controller/ageing measurement monitoring system.
Background technology
Serviceable life and failure rate are to weigh the important indicator of product quality.Bathtub curve from product---tub curve (as shown in Figure 1) as can be seen, the failure rate of product changes in time, roughly can be divided into three phases: earlier failure period, random failure period, wear-out failure period.The infant mortality of product is higher, and increase in time and descending rapidly.Product should be operated in random failure period but not earlier failure period after paying.Like this, the product that payment is dispatched from the factory just too many fault can not occur in follow-up test, use, thereby avoided product to reprocess, look into event even scrap the loss that causes, with the purpose that reaches old of saving and increase product reliability because of these faults.Be very important with the initial failure of rejecting product so product worn out.
Mass flow controller (MFC) is made up of mass flowmeter, controller.Mass flowmeter is made up of parts such as shunt passage, flow sensor and amplifying circuits, on the basis of mass flowmeter, add control valve and PID (Proportion IntegrationDifferentiation, proportion integration differentiation) control circuit and just constituted mass flow controller.
Tradition is just undertaken by powering separately for product the ageing process of mass flow controller/meter, seldom mass flow controller/meter once can only wear out, antijamming capability is poor, precision is low, function singleness, performance are unreliable, and aging personnel need could carry out aging fully to product through 3 to 4 operations, and aging data can not be preserved, and judge that the standard of product quality is single.
Summary of the invention
The purpose of this invention is to provide a kind of mass flow controller/ageing measurement monitoring system, this system integration all in the past aging steps, and can wear out to many products simultaneously, understand the each several part duty of product in real time, judge the whether qualified of product by the data that detect, realized that integrated, real time implementation, unattended monitoring are aging, and antijamming capability is strong, precision is high, dependable performance, can overcome the deficiencies in the prior art.
For achieving the above object, the present invention adopts following technical scheme.
A kind of mass flow controller/ageing measurement monitoring system, this system comprises: control module, be used for aging scheme being set according to product type to be aging, control the collection of product detect signal to be aging, the storage of the line data of going forward side by side, analysis and demonstration; Acquisition module links to each other with described control module, is used to gather the detection signal of product to be aging, and the signal that collects is sent to control module; Display module all links to each other with described control module and acquisition module, is used to carry out the demonstration of monitoring state and fault.
Wherein, described control module further comprises: main control unit, be used to be provided with aging scheme, and control acquisition module and Digital I control module are carried out its function, the storage of the line data of going forward side by side, analysis and demonstration; The Digital I control module links to each other with described main control unit, is used to set the PID setting signal and the valve control signal of product to be aging, control gating product surveillance passage to be aging; Sheet menu unit links to each other with described Digital I control module, is used for gating product surveillance passage to be aging, to described display module output control signal; The pulse generation unit, unit links to each other with described menu, for the passage of gating provides the square wave of setpoint frequency, treats the PID and the valve control of ageing prod and wears out.
Wherein, described acquisition module further comprises: the multiplexer switch unit is used to gather the detection signal of multichannel product to be aging, and the simulating signal that collects is sent to the A/D converting unit; The A/D converting unit links to each other with described multiplexer switch unit, and the simulating signal of its transmission is carried out mould/number conversion, and the digital signal of conversion is sent to described control module.
Wherein, this display module is the plurality of indicator lamps that links to each other with described control module, is used to show monitoring state and fault.
Wherein, this system also comprises power module, is used to described menu unit, pulse generation unit, display module and product to be aging power supply.
But the MFC/MFM product that mass flow controller of the present invention/ageing measurement monitoring system tracking and monitoring is to be aging, simulate its normal operation circumstances, also can provide worse working environment, make aging in this way MFC/MFM, get rid of the easy break-down product in advance, can reduce the product repair rate, and this system stability is good, precision is high, anti-interference strong.
Description of drawings
Fig. 1 is the typical fault rate curve figure of product;
Fig. 2 is the structural representation according to the mass flow controller/ageing measurement monitoring system of one embodiment of the present invention;
Fig. 3 selects schematic diagram for the mass flow controller/ageing measurement monitoring system sheet according to one embodiment of the present invention;
Fig. 4 is the mass flow controller/ageing measurement monitoring system acquisition module synoptic diagram according to one embodiment of the present invention;
Fig. 5 is the mass flow controller/ageing measurement monitoring system workflow diagram according to one embodiment of the present invention.
Embodiment
The ageing system that the present invention proposes is described as follows in conjunction with the accompanying drawings and embodiments.
Be illustrated in figure 2 as structural representation according to the mass flow controller/ageing measurement monitoring system of one embodiment of the present invention, this system is by providing supply voltage to MFC/MFM to be aging, and, it is worn out by setting signal and valve control voltage signal simulation MFC/MFM nominal situation that setting voltage signal, PID wear out.In addition, also simultaneously the flow detecting signal of MFC/MFM to be aging is monitored, change to observe its zero-point voltage, thereby choose the product that zero-point voltage has drift.
This system comprises: control module, be used for aging scheme being set according to product type to be aging, and control the collection of product detect signal to be aging, the storage of the line data of going forward side by side, analysis and demonstration; Acquisition module links to each other with control module, is used to gather the detection signal of product to be aging, and the signal that collects is sent to control module; Display module all links to each other with control module and acquisition module, is used to carry out the demonstration of monitoring state and fault.
Wherein, control module further comprises:
Main control unit, be computer system, mainly comprise software interface and driver, software interface mainly comprises functions such as the interpolation of agingtable, fault show, data are checked, data storage, aging scheme, aging step, digestion time parameter, data acquisition parameters, software interface mainly provides a personal-machine interface, makes things convenient for the user to operate; Driver is mainly used in other modules of driving and carries out its function, comprises setting aging voltage, the aging setting signal of PID and valve control voltage, and driving Digital I control module, acquisition module are carried out its function;
The Digital I control module links to each other with main control unit, is used to control gating product surveillance passage to be aging;
Sheet menu unit links to each other with the Digital I control module, is used for gating product surveillance passage to be aging, and to display module output control signal;
The pulse generation unit, unit links to each other with the sheet menu, is used to the product surveillance passage to be aging of gating that a square wave with stable setpoint frequency is provided, when sheet menu unit this path of gating, this pulse unit is added on this product to be aging, and its PID and valve control are worn out respectively.
Acquisition module further comprises:
The multiplexer switch unit is one group of multicircuit switch, use jointly with the A/D converting unit, but channeling A/D ALT-CH alternate channel is used to gather the detection signal of multichannel product to be aging, and the simulating signal that collects is sent to the A/D converting unit;
The A/D converting unit links to each other with the multiplexer switch unit, the simulating signal of its transmission is carried out mould/number conversion, and the digital signal after will changing is sent to the main control unit of control module.Display module is the plurality of indicator lamps that links to each other with control module, be used to show monitoring state, comprise monitoring whether normally, whether break down, send out the monitoring warning and whether monitoring is finished, the problem that occurs in the prompting user aging of product process.
This system also comprises power module, is used to pulse generation unit, sheet menu unit, display module and product to be aging that working power is provided.
Embodiment
In the detection system of present embodiment, the control circuit board that comprises a plurality of first order as sheet menu unit, as shown in Figure 3, each circuit board all has bus, and bus is IO (1..8) and the ABCD that links to each other with the Digital I control module, and EN0 is the Enable Pin of this control circuit board, when Enable Pin is low level, ABCD is effective for the input data, and when incoming level was high level, ABCD was invalid in input.Because system is made up of a plurality of control circuit boards, therefore a plurality of Enable Pins are arranged.From as the signal of the partial 4-16 selector switch output of the sheet menu unit chip selection signal as latch, if chip selection signal is when low, input IO (1..8) is effective, if IO (1..8) is invalid when high.The latch output signal is used for the pilot lamp of gating pulse generation unit and display module, and wherein, each product to be aging has four pilot lamp: green representative monitoring is normal, red representative monitoring fault, and yellow representative monitoring warning, white representative monitoring is finished.D1 (1..8) has eight data lines, controls eight pilot lamp respectively, and the status indicator lamp of two products to be aging, and like this, EN1 controls the status indicator lamp of 16 products to be aging respectively to EN8.
Fig. 4 is the acquisition module synoptic diagram, it is to be combined by multiplexer switch unit and A/D converting unit, control the multiplexer switch unit by the software of main control unit computing machine, signal is switched, each gating one road signal carries out the A/D conversion, can reduce the cost of total system like this.The multiplexer switch unit adopts the PXI-2575 multiplexer switch of NI, and the A/D converting unit adopts the PXI-4065 digital multimeter of NI.
Fig. 5 is the whole system operation process flow diagram, and product to be aging is placed in this system, and the kind of ageing prod is selected corresponding type as required.
If product to be aging be MFM, system carries out flow detection to this product, the data that collect are analyzed, if the data that collect within setting range, this product is qualified so; Otherwise, defective.
2. if product to be aging is MFC, system carries out the aging of three aspects, i.e. flow detection, PID and solenoid valve to this product.Same by the data that collect are analyzed, get rid of out of order product.
3. if product to be aging is a stop valve, then this system 0～15V is provided pulse voltage to stop valve, allow stop valve continues open and turn-off under the control of the pulse signal of pulse generation unit.
Above embodiment only is used to illustrate the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (5)
1. mass flow controller/ageing measurement monitoring system, this system comprises:
Control module is used for according to product type to be aging aging scheme being set, and controls the collection of product detect signal to be aging, the storage of the line data of going forward side by side, analysis and demonstration;
Acquisition module links to each other with described control module, is used to gather the detection signal of product to be aging, and the signal that collects is sent to control module;
Display module all links to each other with described control module and acquisition module, is used to carry out the demonstration of monitoring state and fault.
2. mass flow controller/ageing measurement monitoring system as claimed in claim 1 is characterized in that, described control module further comprises:
Main control unit is used to be provided with aging scheme, and control acquisition module and Digital I control module are carried out its function, the storage of the line data of going forward side by side, analysis and demonstration;
The Digital I control module links to each other with described main control unit, is used to set the PID setting signal and the valve control signal of product to be aging, control gating product surveillance passage to be aging;
Sheet menu unit links to each other with described Digital I control module, is used for gating product surveillance passage to be aging, to described display module output control signal;
The pulse generation unit, unit links to each other with described menu, for the passage of gating provides the square wave of setpoint frequency, treats the PID and the valve control of ageing prod and wears out.
3. mass flow controller/ageing measurement monitoring system as claimed in claim 2 is characterized in that, described acquisition module further comprises:
The multiplexer switch unit is used to gather the detection signal of multichannel product to be aging, and the simulating signal that collects is sent to the A/D converting unit;
The A/D converting unit links to each other with described multiplexer switch unit, and the simulating signal of its transmission is carried out mould/number conversion, and the digital signal of conversion is sent to described control module.
4. mass flow controller/ageing measurement monitoring system as claimed in claim 1 is characterized in that, this display module is the plurality of indicator lamps that links to each other with described control module, is used to show monitoring state and fault.
5. mass flow controller/ageing measurement monitoring system as claimed in claim 2 is characterized in that this system also comprises power module, is used to described menu unit, pulse generation unit, display module and product to be aging power supply.
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| CN2009102429326A CN101763097B (en) | 2009-12-18 | 2009-12-18 | Quality flow controller/ageing measurement monitoring system |
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| CN2009102429326A CN101763097B (en) | 2009-12-18 | 2009-12-18 | Quality flow controller/ageing measurement monitoring system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281750A (en) * | 2014-10-13 | 2015-01-14 | 北京航空航天大学 | Service life distribution method suitable for bathtub-curve fault rates |
| CN106774467A (en) * | 2016-12-21 | 2017-05-31 | 北京七星华创电子股份有限公司 | A kind of gas mass flow amount control system with automatic diagnostic function |
| CN107483619A (en) * | 2017-09-04 | 2017-12-15 | 江苏德尔科测控技术有限公司 | The data collecting system and method for a kind of differential pressure transmitter |
| CN112362991A (en) * | 2020-11-05 | 2021-02-12 | 中国空间技术研究院 | Component aging test device monitoring system and method for aerospace |
| CN112505245A (en) * | 2020-11-11 | 2021-03-16 | 山西科致成科技有限公司 | Multi-path standard gas flow control device for detecting mine gas sensor |
| CN113608057A (en) * | 2021-08-23 | 2021-11-05 | 无锡盛景微电子股份有限公司 | Test system and method for batch implementation of aging experiment of electronic delay modules |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010054658A (en) * | 1999-12-07 | 2001-07-02 | 윤종용 | Method for controlling a burn-in test system |
| CN101196546B (en) * | 2006-12-04 | 2011-02-02 | 上海华虹Nec电子有限公司 | Method for different IP products executing burn-in test and test board used for it |
| CN201207069Y (en) * | 2008-05-29 | 2009-03-11 | 比亚迪股份有限公司 | Electronic parts aging test system used on automobile |
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2009
- 2009-12-18 CN CN2009102429326A patent/CN101763097B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281750A (en) * | 2014-10-13 | 2015-01-14 | 北京航空航天大学 | Service life distribution method suitable for bathtub-curve fault rates |
| CN104281750B (en) * | 2014-10-13 | 2017-04-05 | 北京航空航天大学 | A kind of life-span location mode of fault rate for tub curve |
| CN106774467A (en) * | 2016-12-21 | 2017-05-31 | 北京七星华创电子股份有限公司 | A kind of gas mass flow amount control system with automatic diagnostic function |
| CN107483619A (en) * | 2017-09-04 | 2017-12-15 | 江苏德尔科测控技术有限公司 | The data collecting system and method for a kind of differential pressure transmitter |
| CN112362991A (en) * | 2020-11-05 | 2021-02-12 | 中国空间技术研究院 | Component aging test device monitoring system and method for aerospace |
| CN112505245A (en) * | 2020-11-11 | 2021-03-16 | 山西科致成科技有限公司 | Multi-path standard gas flow control device for detecting mine gas sensor |
| CN113608057A (en) * | 2021-08-23 | 2021-11-05 | 无锡盛景微电子股份有限公司 | Test system and method for batch implementation of aging experiment of electronic delay modules |
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| CN101763097B (en) | 2012-01-04 |
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