CN109682753A - Multichannel stability analysis instrument control measuring system - Google Patents
Multichannel stability analysis instrument control measuring system Download PDFInfo
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- CN109682753A CN109682753A CN201710976944.6A CN201710976944A CN109682753A CN 109682753 A CN109682753 A CN 109682753A CN 201710976944 A CN201710976944 A CN 201710976944A CN 109682753 A CN109682753 A CN 109682753A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to a kind of multichannel stability analysis instrument control measuring systems, including power module, computer control module, measurement module, heating module, switch module, elevator module；The computer control module is connected with switch module, measurement module, heating module, the control of elevator module respectively；The power module is connect with computer control module, measurement module, heating module, switch module, elevator module respectively；The control measuring system and method for multichannel analysis of stability analyzer of the present invention realizes multi-channel measurement, meets and is up to 10 centimetres of coupons, and temperature control is high-efficient, and upper limit test temperature can reach safely 95 DEG C, and testing efficiency is high, and testing cost is low, there is security performance guarantee.
Description
Technical field
The present invention relates to a kind of control measuring system of multichannel analysis of stability analyzer and methods.
Background technique
Analysis of stability analyzer is mainly used for measuring separation, sedimentation, suspension or the clarification of sample, floats off, assembles, agglomerates or produce
The distribution of product storage period and partial size.Be generally used for: the research of the research of suspension formulation and exploitation, emulsion and foam solution and
Exploitation, the detecting of unstable suspension and improvement, the prediction of product storage stability, the monitoring of CENTRIFUGAL ACCELERATING separation process, sedimentation
The decision and control of agent optimum amount, the quality control for being suitable for various industry, such as industrial oil, mud, drug, cosmetics, food
Product, coating, dyestuff, chemical suspension, CMP lapping liquid, the soft particle of nanometer grade, colloid, polymeric suspensions, agrochemical product, lubrication
Agent, wastewater treatment, mud separation, paper pulp and paper industry etc..Analysis of stability analyzer can measure following product: pitch, crude oil,
Pitch, biotechnology, medicine, capsule, ceramics, crude oil, latex, bag and bottle, lubricant, coolant, paint, nanometer
Particle properties, cosmetics, surfactant, water process and wastewater treatment, mud, mud ... etc..
TURBISCAN LAB dispersion stabilization analyzer in the prior art has the disadvantage that 1, single channel, test
Low efficiency, channel is at high cost, is unfavorable for measurement of comparison；2, the testing tube of dedicated 6 centimeter length, it is too short, it is unfavorable for being layered sample survey
Amount；3, test temperature is limited as 45 DEG C hereinafter, the sample character under being unfavorable for higher temperature is tested, and existing instrument is using electricity
Heating sample mode, this has comparable risk for inflammable and explosive sample after temperature is excessively high.
The control measuring system for researching and developing a set of support multichannel analysis of stability analyzer thus is meaningful.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned deficiencies in the prior art, provide a kind of multichannel analysis of stability analyzer
Control measuring system and method meet to realize multi-channel measurement and be up to 10 centimetres of coupons, upper limit test temperature can pacify
Reach 95 DEG C entirely.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of multichannel stability analysis instrument control measuring system, including power module, computer control module, measurement mould
Block, heating module, switch module, elevator module；The computer control module respectively with switch module, measurement module, plus
Thermal modules, the control connection of elevator module；The power module respectively with measurement module, heating module, switch module, elevator
Module connection；The computer control module includes temperature control unit, digital output modul unit, measure-controlling unit, lifting
Machine control unit；Heating module completes temperature control and measurement in sample cell, to promote sample to be tested temperature；The heated mould
The heat medium of block is gas；
Sensor is measured the photo-signal through sample to be tested or the photo-signal conversion of scattering by measurement module
At digital signal；
Elevator module accurately controls moving up and down for sample to be tested；
Switch module completion instrument top cover closure monitors, temperature anomaly is chain, laser power supply power supply.
In above-mentioned technical proposal, it is preferable that the measurement module includes transmitted light luminous intensity measurement module, scattered light intensity measurement
Module, and photo-signal is converted into digital signal；Temperature control unit controls heat gas, the measurement of sample cell temperature, with
Promote sample to be tested temperature.
In above-mentioned technical proposal, it is preferable that the switch module includes laser power switch module, instrument canopy switch
Detecting module, safety protection switch module.
In above-mentioned technical proposal, it is preferable that the elevator module includes the differentiation of control elevator initial position, elevator
Position sensing and output step size computation, operational objective give, elevator resets after a measurement period.
In above-mentioned technical proposal, it is preferable that the safety protection switch module disconnects power supply in temperature control, to prevent
Only instrument further damages.
In above-mentioned technical proposal, it is preferable that gas in the sample cell that temperature control modules are measured according to temperature-measuring module
Temperature, control heating module heat sample cell gas.
In above-mentioned technical proposal, it is preferable that the heating module uses nitrogen to want as the specimen heating system of heating carrier
It asks within a short period of time, sample is heated to 95 DEG C from room temperature by hot gas.In heat gas exit, temperature sensing is set
Device controls Gas heating power, until gas temperature reaches setting value.AI-7028E5G5G5S intelligent object is completed temperature and is surveyed
Amount is calculated and is exported by AI artificial intelligence logic pid algorithm completion heating power.By computer output temperature setting value, read
Take current gas heating temperature value.
In above-mentioned technical proposal, it is preferable that the luminous intensity measurement module, using 5V standard DC power supply, EKPS021C3 light
Light intensity signal is changed into 0~5V voltage signal by electric transducer, transfer resistance, then by AI-706ME5J3J3J3S intelligent object
It completes the analog-to-digital conversion of light intensity signal, light intensity value is sent into computer.
In above-mentioned technical proposal, it is preferable that the monitoring of related switch amount and state switching in the digital output modul unit,
All completed under computer operation by AI-301E5I5I5L5L5S intelligent object.It is related to: 1) laser power switch.2) it, senses
Device module for power supply switch.3), top cover sensor states monitor, as optical system, need to work under completely black environment, thus
It can be to avoid the interference of stray light.4), heating module overtemperature alarm is chain, in power-ourput device failure, it is possible to cause
Temperature control, this switch disconnects power supply at this time, to prevent instrument from further damaging.
In above-mentioned technical proposal, it is preferable that elevator control, may be implemented 1), the dead-center position of accurate elevator
Playback and in place whether judge；2), end of run position is playbacked and is judged in place；3), the speed of service is given；4) step value is run
Calculating and running state monitoring, suitable for different test requests.
In above-mentioned technical proposal, it is preferable that complete temperature value acquisition, target temperature setting by serial ports 1 (RS-485)
Output, the status display and state of various switching values are changed output, are read in through light intensity, and scattered light intensity is read in.2), pass through serial ports
2 (RS-232) complete all operationss and Stateful Inspection of accurate elevator.3) it, calculates and data manipulation, completion transmitance scatters
Rate score calculates, data save and reproduces, data are sent into database program.4), operating parameter setting, preservation and reproduction.
The present invention also provides a kind of multichannel stability analysis instrument control measurement methods, include the following steps: switch module
Open Laser Power Devices；According to given target temperature heating module heat gas and promote sample to be tested temperature；Luminous intensity measurement module
Sensor is measured and is converted into digital signal through the photo-signal of sample to be tested or the photo-signal of scattering；Elevator
Initial position differentiates, elevator locations sensing and output compensation calculation, operational objective are given, rises after a measurement period
Drop machine resets；Measurement and Data Processing data are saved, call test parameter input by computer digital animation module.
In above-mentioned technical proposal, it is preferable that the sample to be tested is placed in confined gas sample cell, and heating module is to institute
Sample cell conveying hot gas is stated, to promote sample to be tested temperature.
Multichannel stability analysis instrument control measuring system of the present invention, the multichannel analysis of stability analyzer, including cabinet
With the sample cell in cabinet, sample cell lifter, gas heating conveyor, light source, optical sensor, optical signal receiving area
Manage device, communication module and control system；The sample cell includes confined gas body, be equipped in the confined gas body sample frame,
Temperature sensor, the confined gas body are translucency confined gas body；Heat is conveyed from gas heating conveyor to sample cell
Gas；The control system includes hot gas temperature control module, digital output modul module, elevator control module；The light
Source light transmission sample is after sensor, by transmitting communication module after signal receiving processor reception processing.
It is the hot gas of flowing in the confined gas body.The confined gas body is by quartz glass side and stainless steel side
Frame is constituted；Preferably, the confined gas body is hexahedron.The sample cell is equipped with hot gas input port, hot gas exports
Port, hot gas injection pipe.The hot gas of gas heating conveyor passes sequentially through hot gas input port, hot gas injection pipe
With hot gas output port.Preferably, the hot gas injection pipe is set to below sample frame.It is further preferable that the hot gas
It is respectively equipped with coil pipe at input port and hot gas output port, so that pipeline is moved up and down with sample cell.On the sample frame
Hole location is inserted into equipped with sample bottle；Preferably, the sample bottle insertion hole location is six or more；It is described in one embodiment of the invention
It is six that sample bottle, which is inserted into hole location,.Hole location is circular hole on the sample bottle, and lower fixed cave is cone；One embodiment of the invention
In, hole location diameter 8.5mm on the sample bottle, lower fixed cave is diameter 5mm to 3mm, and depth is the cone of 4mm, sample bottle
Spacing 8cm.The sample cell lifter is set to below sample cell, and sample cell lifter passes through lifter control module Control Assay
Pond moves up and down.Realize the accurate control purpose of sample cell displacement.Preferably, sample cell lifter is electrical-controlled lifting device.
Heating device in the gas heating conveyor is heating furnace.The gas heating conveyor includes hot gas
Body conveying device；Preferably, the hot gas conveying device include hot gas introduce pipeline, ball valve, flow adjust and indicator,
Coil pipe, the heated stove heating of hot gas, enters sample cell by coil pipe, ball valve, gas introduction line.Coil pipe increases gas
Residence time in furnace.The hot gas is nitrogen.Use nitrogen as heat medium, nitrogen can be limited in heating furnace
Ceiling temperature, the safety of whole instrument can be improved, for example, the instrument when measuring the sample of oils containing lightweight can be improved
Safety.
The light source is single beam laser device.It preferably, is dotted single beam laser device.The optical sensor includes projection
Sensor and scattering sensor.The signal receiving processor includes signal receiver and signal processor, it is preferable that the letter
Number receiver is equipped with spuious light shield device, and the spuious light shield device is black rubber sleeve, to shield stray light.The light source
Adjusting bracket is equipped with signal receiver.Convenient for light source and signal receiver three-dimensional regulation in a certain range.The signal
The linear amplification of the signal that processor transmits signal receiver, after analog-to-digital conversion, by computer acquisition.
The control measuring system and method for multichannel analysis of stability analyzer of the present invention realizes multi-channel measurement, meets length
Up to 10 centimetres of coupons, temperature control is high-efficient, and upper limit test temperature can reach safely 95 DEG C, and testing efficiency is high, and testing cost is low.
Detailed description of the invention
Fig. 1 is the control measuring system structural schematic diagram of multichannel analysis of stability analyzer；
Fig. 2 is the structural schematic diagram of multichannel analysis of stability analyzer；
Fig. 3 is the top view of multichannel analysis of stability analyzer.
In Fig. 2, Fig. 3, cabinet 1, sample cell 2, electrical-controlled lifting device 3, gas heating conveyor 4, laser 5, light sensing
Device 6, optical signal receive processor 7, computer 8, temperature control modules 9, elevator control module 10, confined gas body 21, examination
Sample rack 211, hole location 212；
The present invention will be further described below by way of examples, but the protection scope being not intended to limit the present invention.
Specific embodiment
Stability analysis instrument control system of the invention proves to reach expection in the debugging and the course of receiving of instrument
Effect.Main tune-up data is as follows:
Six stability of channel analyzers as shown in Figure 2 are developed in our hospital's equipment meter room and are debugged successfully, and standard sample is surveyed
Test result is to meet test condition, baseline stability and fluctuation is less than 2/1000ths, and three wheat harvesting period of even running, indices are all
Design object is reached.
The working stamndard of this instrument are as follows: baseline fluctuation --- less than 2 ‰, standard specimen 1 (pure silicon oil, transmissivity) 84.4%, mark
Sample 2 (polytetrafluoroethylene (PTFE), scattered power) 62.5%.
1, temperature controls, temperature control precision in sample cell are as follows: ± 1 DEG C；
2, sample cell, gas heater overtemperature alarm, disconnected heating function of supplying power are normal；
It 3, is 1 hour the time required to sample cell temperature reaches 95 DEG C；
4, baseline test.Be packed into clean coupon in sample cell, risings stepped intervals are 0.1mm, scanning range for 10~
90mm.It is overall process that transmitance, which measures result: 100%.
5, transmission measurement.Standard specimen 1 is packed into coupon, risings stepped intervals are 0.1mm, effective length (10~
Transmitance is measured on 90mm) are as follows: 84.2~84.6%.
6, reflectance test.At coupon place standard specimen 2, risings stepped intervals be 0.1mm, effective length (10~
Scattered power is measured on 60mm) are as follows: 62.3~62.7%.
By debugging repeatedly, various functions achieve the desired results operating software.
Claims (7)
1. a kind of multichannel stability analysis instrument control measuring system, which is characterized in that control mould including power module, computer
Block, measurement module, heating module, switch module, elevator module；The computer control module respectively with switch module, survey
Measure module, heating module, the control connection of elevator module；The power module respectively with measurement module, heating module, switching molding
Block, the connection of elevator module；
The computer control module includes temperature control unit, digital output modul unit, measure-controlling unit, elevator control
Unit；
Heating module completes temperature control and measurement in sample cell, to promote sample to be tested temperature；The heating module adds
Thermal medium is gas；
Sensor is measured and is converted into counting through the photo-signal of sample to be tested or the photo-signal of scattering by measurement module
Word signal；
Elevator module accurately controls moving up and down for sample to be tested；
Switch module completion instrument top cover closure monitors, temperature anomaly is chain, laser power supply power supply.
2. multichannel stability analysis instrument control measuring system according to claim 1, which is characterized in that the switching molding
Block includes laser power switch module, instrument canopy switch detecting module, safety protection switch module.
3. multichannel stability analysis instrument control measuring system according to claim 1, which is characterized in that the elevator
Module differentiates including controlling elevator initial position, elevator locations sense and the calculating of output step value, operational objective give,
Elevator resets after one measurement period.
4. multichannel stability analysis instrument control measuring system according to claim 1, which is characterized in that the safety is protected
Switch module is protected in temperature control, power supply is disconnected, to prevent instrument from further damaging.
5. multichannel stability analysis instrument control measuring system according to claim 1, which is characterized in that temperature controls mould
Gas temperature in the sample cell that root tuber is measured according to temperature-measuring module, control heating module heat sample cell gas.
6. a kind of multichannel stability analysis instrument control measurement method, which comprises the steps of: switch module is opened
Laser Power Devices；According to given target temperature heating module heat gas and promote sample to be tested temperature；Luminous intensity measurement module will pass
Sensor, which is measured, is converted into digital signal through the photo-signal of sample to be tested or the photo-signal of scattering；Elevator is initial
Position differentiates, elevator locations sensing and the calculating of output step value, operational objective give, go up and down after a measurement period
Machine resets；Measurement and Data Processing data are saved, call test parameter input by computer control module.
7. multichannel stability analysis instrument control measurement method according to claim 1, which is characterized in that described to be tested
Sample is placed in confined gas sample cell, and heating module conveys hot gas to the sample cell, to promote sample to be tested temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976944.6A CN109682753A (en) | 2017-10-19 | 2017-10-19 | Multichannel stability analysis instrument control measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976944.6A CN109682753A (en) | 2017-10-19 | 2017-10-19 | Multichannel stability analysis instrument control measuring system |
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| Publication Number | Publication Date |
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| CN109682753A true CN109682753A (en) | 2019-04-26 |
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| CN201710976944.6A Pending CN109682753A (en) | 2017-10-19 | 2017-10-19 | Multichannel stability analysis instrument control measuring system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384361A (en) * | 2001-04-27 | 2002-12-11 | 刘岩 | Separate multi-channel biochemical analyzer |
| EP1411345A1 (en) * | 2002-10-17 | 2004-04-21 | Direvo Biotech AG | Multi-parameter fluorimetric analysis in a parallel multi-focal arrangement |
| CN102539294A (en) * | 2011-12-14 | 2012-07-04 | 合肥国轩高科动力能源有限公司 | Method for testing stability of negative electrode slurry and preparation method thereof |
| CN103196690A (en) * | 2013-04-01 | 2013-07-10 | 上海晨光文具股份有限公司 | Method for quickly detecting stability of gel ink ball-point pen |
| CN104330325A (en) * | 2014-10-17 | 2015-02-04 | 郑州轻工业学院 | System for analyzing technical indexes of fuel |
-
2017
- 2017-10-19 CN CN201710976944.6A patent/CN109682753A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384361A (en) * | 2001-04-27 | 2002-12-11 | 刘岩 | Separate multi-channel biochemical analyzer |
| EP1411345A1 (en) * | 2002-10-17 | 2004-04-21 | Direvo Biotech AG | Multi-parameter fluorimetric analysis in a parallel multi-focal arrangement |
| CN102539294A (en) * | 2011-12-14 | 2012-07-04 | 合肥国轩高科动力能源有限公司 | Method for testing stability of negative electrode slurry and preparation method thereof |
| CN103196690A (en) * | 2013-04-01 | 2013-07-10 | 上海晨光文具股份有限公司 | Method for quickly detecting stability of gel ink ball-point pen |
| CN104330325A (en) * | 2014-10-17 | 2015-02-04 | 郑州轻工业学院 | System for analyzing technical indexes of fuel |
Non-Patent Citations (1)
| Title |
|---|
| OLIVIER MENGUAL 等: "Characterisation of instability of concentrated dispersions by a new optical analyser: the TURBISCAN MA 1000", 《COLLOIDS AND SURFACES A》 * |
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