CN201859127U - High polymer temperature deformation testing device - Google Patents
High polymer temperature deformation testing device Download PDFInfo
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- CN201859127U CN201859127U CN2010205962289U CN201020596228U CN201859127U CN 201859127 U CN201859127 U CN 201859127U CN 2010205962289 U CN2010205962289 U CN 2010205962289U CN 201020596228 U CN201020596228 U CN 201020596228U CN 201859127 U CN201859127 U CN 201859127U
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Abstract
The utility model discloses a high polymer temperature deformation testing device. A test sample loading device is placed in a heating device; a deformation measuring instrument is arranged on the test sample loading device; a program temperature controller connected with the heating device is used for controlling the temperature of a test sample; and a computer is simultaneously connected with the program temperature controller and the deformation measuring instrument and used for acquiring and recording measuring values of all instruments in real time, and drawing real-time curves. The high polymer temperature deformation testing device is simple in structure, convenient in detection, high in automation degree, high in precision and labor-saving.
Description
Technical field
The present invention relates to a kind of proving installation, especially a kind of temperature deformation proving installation.
Background technology
Measuring superpolymer temperature-inflection curves, is the important means of research macromolecular material mechanical state.Superpolymer under certain static load effect along with variation of temperature shows diverse mechanical state, can obtain superpolymer temperature-inflection curves so change temperature in certain scope, it has great significance for the relation of research Polymer Structure and performance.Can obtain many information by superpolymer temperature-inflection curves about the superpolymer inner structure, can draw glass transition temperature (Tg), flow temperature (Tf) and the fusing point (Tm) of superpolymer from the curve, they have very realistic meanings to estimating the processing conditions and the usable range of macromolecular material.
Traditional artificial trace-point method of the general employing of superpolymer temperature deformation test.Promptly high polymer material is placed heating furnace, adopt manual voltage regulator control heating rate, in test in conjunction with the continuous manual adjustments voltage of temperature feedback to regulate heating rate, after treating a certain temperature balance, the deformation values of writing down corresponding temperature and recording, until having surveyed one group of temperature-deformation values, then the data pointwise is depicted on the coordinate paper.There are following three problems in this method of testing:
One, hysteresis, the time hardware factor and manual control error such as change, often can not satisfy linear temperature increase, make that temperature-inflection curves error is very big;
Two, manually operated method greatly reduces the efficient and the repeatability of experiment;
Three, for carrying out thermoregulator requirement at special time period with different warm variable Rate, temperature controlling instruments in the past can not be realized at all.
Summary of the invention
In order to overcome the deficiency that the prior art measuring error is big, automaticity is not high, have only a kind of heating rate, the invention provides a kind of superpolymer temperature deformation proving installation, this apparatus structure is simple, easy to detect, the automaticity height, improved the accuracy of temperature control and measurement, for the research of high polymer material temperature deformation provides faster, reliable data.
The technical solution adopted for the present invention to solve the technical problems is: comprise distortion measurement instrument, sample loading, heating arrangement, programmed temperature control instrument and computing machine.Wherein, sample loads and places heating arrangement, and sample loads to go up installs the distortion measurement instrument, and programmed temperature control instrument is connected with heating arrangement, and the temperature of sample is controlled; Computing machine is connected with programmed temperature control instrument, distortion measurement instrument simultaneously, gathers and write down the measured value of each instrument in real time, draws real-time curve.
Described sample loads and adopts hollow cylindrical sample cell base to place electric furnace, and thermal resistance is installed as temperature sensor in sample cell base centre.
Described programmed temperature control instrument adopts A level Pt100 thermal resistance to make sensor, selects multistage (50 sections or 30 sections) temperature programmed control table for use, adopts bidirectional triode thyristor to shift to triggering, and is furnished with pointer reometer, is convenient to observe the output current size.
Beneficial effect of the present invention is:
This apparatus structure is simple, and is easy to detect, the automaticity height, and the precision height is saved manpower.Distortion measurement instrument, temperature controller all have communication interface, can link to each other with computing machine easily, carry out data in real time record and draw processing, observed data variation tendency intuitively.The present invention selects high accuracy temperature control instrument and sensor for use, has improved the accuracy of temperature control and measurement.
The present invention is further described below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the principle sketch of device of the present invention.
Fig. 2 is temperature controller circuit theory diagrams of the present invention:
Among the figure, the 1-AC power; The 2-switch; The 3-protective tube; The 4-voltage dependent resistor (VDR); 5-electric capacity; The 6-bidirectional triode thyristor; The 7-Intelligence Regulator; The 8-temperature sensor; The 9-cement resistor; 10-pointer-type reometer; The 11-protective tube; The 12-heating arrangement.
Fig. 3 is that distortion measurement instrument of the present invention, sample load, the heating arrangement synoptic diagram:
Among the figure, 13-distortion measurement instrument; The 14-counterweight; 15-measures axle; 16-heat-intercepting glass bar; The 17-drift; The 18-sample cell; The 19-sample; The 20-chain-wales; 21-counterweight pressure pin; The 22-boss; 23-counterweight carriage; 24-measures the axle locating rack; 25-sample cell base; The 26-electric furnace; The 27-temperature sensor.
Fig. 4 is the comparison of full-automatic data recording of intelligent temperature control and artificially controlling temperature artificial data record.
Embodiment
The principle sketch of whole testing device as shown in Figure 2, the distortion measurement instrument records the deformation data from sample, then by communication interface with data delivery to the computing machine of installation data acquisition software, accept data and make record; Be responsible for by the temperature of electric furnace adjusting sample and by near the temperature the thermal resistance measurement sample as the programmed temperature control instrument of temperature survey and control device, then by communication interface with data delivery to computing machine, the computer receiving data of installation data acquisition software and make record; The temperature deformation data of gathering in order to guarantee and the correspondence of temperature data, computing machine must be gathered the data from different instrument simultaneously, and record simultaneously, draws real-time curve.
The distortion measurement instrument can be selected measurement range and precision suitable digital display centimeter or digital display dial gauge for use, as Guilin SHAN544-330 type (measurement range: 0-100mm precision: 0.01mm) or Japan's three rich digital display dial gauge 543-285B type (measurement ranges: 0-12mm precision: 0.001mm).The distortion measurement instrument need have communication interface, is connected with computing machine with convenient.
Temperature controller can be selected 0.2 grade (0.2%FS ± 0.1 ℃) or the higher temperature controller of measuring accuracy for use, as space electricity AI-708P type, close generation HS-808P type etc.Temperature controller need have communication interface, is connected with computing machine with convenient.
The circuit theory diagrams of programmed temperature control instrument as shown in Figure 2.The present invention selects AI708P type Intelligence Regulator 7 for use, and this regulator has the RS485 interface, is converted into the RS232 interface by RS485-RS232 interface converter, is connected with computing machine then.Adopt the bidirectional triode thyristor phase-shift trigger circuit, controllable silicon selects for use the 10A～cement resistor 9 of one 6 Ω 8W of 50A bidirectional triode thyristor 6 usefulness and the ceramic disc capacitor 5 of one 0.22 μ F/400V to be composed in series the capacitance-resistance absorption circuit, be parallel to the A1 and the A2 utmost point of bidirectional triode thyristor then together with a 14K471 voltage dependent resistor (VDR) 4, the A1 utmost point series connection range of bidirectional triode thyristor 6 is that pointer reometer 10 and heating arrangement 12 backs of 5A～10A are connected to 200V～240V AC power 1 by switch 2, the A2 utmost point one side of bidirectional triode thyristor 6 is connected to 200V～240V AC power 1 by 5～15A protective tube 11 and switch, opposite side is connected to the controllable silicon output terminal of Intelligence Regulator 7 the 11st pin, and the control utmost point G of bidirectional triode thyristor is connected to the controllable silicon output terminal of Intelligence Regulator 7 the 12nd pin.The power input of Intelligence Regulator 7 the 1st, 2 pin is connected to 200V～240V AC power 1 by 0.5A protective tube 11 and switch 2.It is that the thermal resistance Pt100 of 0.2 grade (0.2%FS ± 0.1 ℃) is as temperature sensor that Intelligence Regulator 7 the 18th, 19 pin connect precision.Above-mentioned components and parts also can satisfy other models of selection under the prerequisite of service condition.
The distortion measurement instrument, sample loads, heating arrangement as shown in Figure 3, adopt the electric furnace 26 of hollow cylindrical shell, sample cell base 25 places electric furnace 26, sample cell base 25 centres are installed thermal resistance Pt100 and are connected with programmed temperature control instrument as temperature sensor 27, the quality load of counterweight 14 is by counterweight pressure pin 21, measure axle 15, heat-intercepting glass bar 16, drift 17 is added on the sample 19 in the sample cell 18, counterweight carriage 23 is perpendicular to measuring axle 15, the test anteposition is on boss 22, its effect is support counterweight 14 quality when sample not being loaded, measure axle locating rack 24 and work to limit the mensuration shaft position, distortion measurement instrument 13 vertically is installed on the chain-wales 20.
Sample is made columniform print as required, and specimen size should be mated with the sample cell volume.
Data acquisition software adopts Visual Basic6.0, the exploitation of Labview8.0 program language, specific code can be write according to the communications protocol of each instrument, can be with each data acquisition to computing machine and be saved in file and get final product, the softwares such as available Origin, Sigmaplot of drawing carry out, and also can do further exploitation to software as required.
Claims (3)
1. superpolymer temperature deformation proving installation, comprise distortion measurement instrument, sample loading, heating arrangement, programmed temperature control instrument and computing machine, it is characterized in that: sample loads and places heating arrangement, sample loads to go up installs the distortion measurement instrument, programmed temperature control instrument is connected with heating arrangement, and the temperature of sample is controlled; Computing machine is connected with programmed temperature control instrument, distortion measurement instrument simultaneously, gathers and write down the measured value of each instrument in real time, draws real-time curve.
2. superpolymer temperature deformation proving installation according to claim 1 is characterized in that: described sample loads and adopts hollow cylindrical sample cell base to place electric furnace, and thermal resistance is installed as temperature sensor in sample cell base centre.
3. superpolymer temperature deformation proving installation according to claim 1, it is characterized in that: described programmed temperature control instrument adopts A level Pt100 thermal resistance to make sensor, select multi-segment program temperature control table for use, adopt bidirectional triode thyristor to shift to triggering, and be furnished with pointer reometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205962289U CN201859127U (en) | 2010-11-04 | 2010-11-04 | High polymer temperature deformation testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205962289U CN201859127U (en) | 2010-11-04 | 2010-11-04 | High polymer temperature deformation testing device |
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| Publication Number | Publication Date |
|---|---|
| CN201859127U true CN201859127U (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205962289U Expired - Fee Related CN201859127U (en) | 2010-11-04 | 2010-11-04 | High polymer temperature deformation testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192732A (en) * | 2017-05-24 | 2017-09-22 | 谷迁乔 | A kind of fire trapping ring core expansion character automatic testing equipment and its method of testing |
| CN107703176A (en) * | 2017-10-30 | 2018-02-16 | 上海凯历迪新材料科技股份有限公司 | A kind of high polymer thermal deformation performance measurement instrument |
| CN107782758A (en) * | 2016-08-25 | 2018-03-09 | 镇江维纳特气门有限公司 | A kind of valve heat resistance detecting system |
-
2010
- 2010-11-04 CN CN2010205962289U patent/CN201859127U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782758A (en) * | 2016-08-25 | 2018-03-09 | 镇江维纳特气门有限公司 | A kind of valve heat resistance detecting system |
| CN107192732A (en) * | 2017-05-24 | 2017-09-22 | 谷迁乔 | A kind of fire trapping ring core expansion character automatic testing equipment and its method of testing |
| CN107703176A (en) * | 2017-10-30 | 2018-02-16 | 上海凯历迪新材料科技股份有限公司 | A kind of high polymer thermal deformation performance measurement instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20131104 |