CN202171576U - PVC thermal stability detector - Google Patents
PVC thermal stability detector Download PDFInfo
- Publication number
- CN202171576U CN202171576U CN2011202724758U CN201120272475U CN202171576U CN 202171576 U CN202171576 U CN 202171576U CN 2011202724758 U CN2011202724758 U CN 2011202724758U CN 201120272475 U CN201120272475 U CN 201120272475U CN 202171576 U CN202171576 U CN 202171576U
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Abstract
The utility model relates to the field of rubber and plastic aging, and particularly to a PVC thermal stability detector. The PVC thermal stability detector comprises a housing which is internally provided with a box body that is used for heating and is provided with a top opening. A heating device is provided outside the box body, and a temperature sensor is provided in the box body. The box body is internally provided with a vertically equipped test bottle. The box body is provided with an end cap which is provided with a through hole that is matched with the test bottle. The box body is internally provided with a mixing paddle. A motor is provided below the box body. The bottom of the box body is provided with a mounting hole. A mixing shaft of the mixing saddle is connected with a rotating shaft of the motor through the mounting hole. The housing is internally provided with a PLC. The heating device and the temperature sensor are respectively connected with the PLC electrically. A side surface of the housing is provided with a display screen and buttons. The display screen and the buttons are respectively connected with the PLC electrically. According to the PVC thermal stability detector, through equipping the mixing paddle in the box body, heat transfer medium in the box body is kept in a flowing stage, thereby obtaining uniform temperature of the heat transfer medium and stably heating the test bottle.
Description
Technical field
The utility model relates to rubber, plastic cement aging testing apparatus technical field, relates to a kind of PVC heat stability test device specifically.
Background technology
In the production run of PVC, need carry out the sampling observation of thermal stability, the quality of dispatching from the factory with raising to it.Traditional handicraft is when carrying out heat stability testing to PVC; Must PVC be carried out pyroprocessing, but in the processing procedure, because the heating temperature of the container of loading PVC is inhomogeneous; Cause local temperature too high; Have deviation between the actual heating temperature of PVC and the temperature of heating, the result who therefore detects has certain error, is unfavorable for improving outgoing.
Summary of the invention
The purpose of the utility model is to solve the deficiency of prior art, and a kind of PVC heat stability test device is provided, and this device thermal stability is high, and sample is heated evenly, can quick and conveniently detect the thermal stability of PVC.
The technical scheme that the utility model adopts is:
A kind of PVC heat stability test device comprises housing, is provided with the casing of the open upper end that is used to heat in the housing; Casing is provided with heating arrangement outward, is provided with temperature sensor in the casing, is provided with the test bottle of vertical setting in the casing; Casing is provided with end cap, and end cap has the through hole that test bottle matches; Box house is provided with stirring arm; The below of casing is provided with motor, and the bottom of casing is provided with mounting hole, and the shaft of stirring arm is connected with the rotating shaft of motor through said mounting hole; Be provided with PLC in the said housing; Heating arrangement and temperature sensor all are electrically connected with PLC, and said side is provided with display screen and button, and display screen and button all are electrically connected with PLC.
Further, also be provided with test box in the said housing, the below of test box is provided with conductivity measurement, and the bottom of test box has two mounting holes, and the upper end of two electrode columns of conductivity measurement is stretched in the test box through two mounting holes respectively; The bottle cap of said test bottle is provided with air admission hole and venthole; Air admission hole is socketed with admission line, and the gas outlet of admission line is positioned at the bottom of test bottle, and venthole is socketed with outlet pipe; The air intake opening of outlet pipe is positioned at the upper end of test bottle, and the other end of outlet pipe is positioned at the bottom of test box; Conductivity measurement is electrically connected with PLC.
Further, be provided with fan blower in the said housing, the endpiece of fan blower is connected with the air intake opening of admission line.
Further, said heating arrangement is a heating resistor.
Further, be provided with frequency converter in the housing, the output terminal of frequency converter is electrically connected with motor, and the input end of frequency converter is electrically connected with PLC.
The beneficial effect of the utility model is: a kind of PVC heat stability test device; Comprise housing, be provided with the casing of the open upper end that is used to heat in the housing, casing is provided with heating arrangement outward; Be provided with temperature sensor in the casing; Be provided with the test bottle of vertical setting in the casing, casing is provided with end cap, and end cap has the through hole that test bottle matches; Box house is provided with stirring arm; The below of casing is provided with motor, and the bottom of casing is provided with mounting hole, and the shaft of stirring arm is connected with the rotating shaft of motor through said mounting hole; Be provided with PLC in the said housing; Heating arrangement and temperature sensor all are electrically connected with PLC, and said side is provided with display screen and button, and display screen and button all are electrically connected with PLC.Through paddle is set in casing, make that the heat transfer medium in the casing is in flow state, thereby the temperature that reaches heat transfer medium is even, stable heats test bottle.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Description of reference numerals:
1---button 2---display screen 3---housing
4---casing 5---test bottle 6---outlet pipes
7---test box 8---electrode column 9---paddles
10---motor 11---conductivity measurement.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further explanation.
Embodiment:
As shown in Figure 1, a kind of PVC heat stability test device comprises housing 3; Be provided with the casing 4 of the open upper end that is used to heat in the housing 3; Be provided with heating arrangement outside the casing 4, be provided with temperature sensor in the casing 4, be provided with the test bottle 5 of vertical setting in the casing 4; Casing 4 is provided with end cap, and end cap has the through hole that test bottle 5 matches; Casing 4 inside are provided with stirring arm; The below of casing 4 is provided with motor 10, and the bottom of casing 4 is provided with mounting hole, and the shaft of stirring arm is connected through the rotating shaft of said mounting hole with motor 10; Be provided with PLC in the said housing 3; Heating arrangement and temperature sensor all are electrically connected with PLC, and said housing 3 sides are provided with display screen 2 and button 1, and display screen 2 all is electrically connected with PLC with button 1.
The utility model device when the thermally-stabilised test of carrying out PVC, at first with PVC be used to show that reagent that thermal stability changes packs in the test bottle 5, reagent can be for Congo red, phenolphthalein etc., again on the bottle cap sealing with test bottle 5; A certain amount of heat transfer medium of splendid attire in the casing 4 like water, wet goods, covers end cap, and test bottle 5 is put into casing 4 through the vertical insertion of the mounting hole of end cap.Set probe temperature through display screen 2 and button 1; PLC control heating arrangement begins heating; Temperature sensor feeds back to PLC with casing 4 temperature inside and on display screen 2, shows, motor 10 drives paddle 9 rotations simultaneously, keeps casing 4 temperature inside balanced.When arriving the setting heating-up temperature, the heating of PLC control heater stop, and keep this temperature a period of time, the reagent in test bottle 5 changes, and recording test time gets final product.
This device makes temperature in the casing 4 reach balanced through paddle 9 is set in casing 4, thereby makes that the temperature of test bottle 5 receives balanced heating, has prevented local overheating and the inaccurate problem of test data that causes.
Further; Also be provided with test box 7 in the said housing 3; The below of test box 7 is provided with conductivity measurement 11, and the bottom of test box 7 has two mounting holes, and the upper end of two electrode columns 8 of conductivity measurement 11 is stretched in the test box 7 through two mounting holes respectively; The bottle cap of said test bottle 5 is provided with air admission hole and venthole; Air admission hole is socketed with admission line; The gas outlet of admission line is positioned at the bottom of test bottle 5; Venthole is socketed with outlet pipe 6, and the air intake opening of outlet pipe 6 is positioned at the upper end of test bottle 5, and the other end of outlet pipe 6 is positioned at the bottom of test box 7; Conductivity measurement 11 is electrically connected with PLC.
A certain amount of distilled water of splendid attire in test box 7 during the work of the utility model device, can be measured the initial conductivity of the liquid in the test box 7 through conductivity measurement 11; Admission line is constantly advertised air in test bottle 5; PVC receives lasting heating in test bottle 5, after the PVC heating, along with the prolongation of heat time heating time; Beginning is slowly decomposed; Some volatile substances after the decomposition get into test box 7 like alcohol, aldehyde and acid through outlet pipe 6, and dissolve in the distilled water in the test box 7; Distilled water is because there is the adding of ionogenic material; Its electric conductivity slowly strengthens; Test out the variation of the conductivity that continue in the test box 7 through conductivity measurement 11, just can know the degree of decomposition that the PVC in the test bottle 5 by inference, and then can draw the thermal stability of PVC.The data transfer of conductivity measurement 11 tests is given PLC, and on display screen 2, shows, intuitively the variation of the conductivity in the observation test case 7.
Further, be provided with fan blower in the said housing 3, the endpiece of fan blower is connected with the air intake opening of admission line.
Fan blower is set through admission line air blast in test bottle 5 uniformly, the decomposition product in the test bottle 5 is discharged in the test box 7.
Further, said heating arrangement is a heating resistor.
Use heating resistor to heat, simple in structure, cost is low.
Further, be provided with frequency converter in the housing 3, the output terminal of frequency converter is electrically connected with motor 10, and the input end of frequency converter is electrically connected with PLC.
Through the output of PLC control of conversion device, and then can control the rotating speed of motor 10, thereby can regulate the rotation flow velocity of the heat transfer medium in the casing 4, it is even to reach in the casing 4 temperature.
The utility model has been done at length explanation, and those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model, and does not break away from the essence and the scope of the utility model technical scheme.
Claims (5)
1. PVC heat stability test device; It is characterized in that: it comprises housing, is provided with the casing of the open upper end that is used to heat in the housing, and casing is provided with heating arrangement outward; Be provided with temperature sensor in the casing; Be provided with the test bottle of vertical setting in the casing, casing is provided with end cap, and end cap has the through hole that test bottle matches; Box house is provided with stirring arm; The below of casing is provided with motor, and the bottom of casing is provided with mounting hole, and the shaft of stirring arm is connected with the rotating shaft of motor through said mounting hole; Be provided with PLC in the said housing; Heating arrangement and temperature sensor all are electrically connected with PLC, and said side is provided with display screen and button, and display screen and button all are electrically connected with PLC.
2. PVC heat stability test device according to claim 1; It is characterized in that: also be provided with test box in the said housing; The below of test box is provided with conductivity measurement; The bottom of test box has two mounting holes, and the upper end of two electrode columns of conductivity measurement is stretched in the test box through two mounting holes respectively; The bottle cap of said test bottle is provided with air admission hole and venthole; Air admission hole is socketed with admission line, and the gas outlet of admission line is positioned at the bottom of test bottle, and venthole is socketed with outlet pipe; The air intake opening of outlet pipe is positioned at the upper end of test bottle, and the other end of outlet pipe is positioned at the bottom of test box; Conductivity measurement is electrically connected with PLC.
3. PVC heat stability test device according to claim 1 and 2 is characterized in that: be provided with fan blower in the said housing, the endpiece of fan blower is connected with the air intake opening of admission line.
4. PVC heat stability test device according to claim 1 is characterized in that: said heating arrangement is a heating resistor.
5. PVC heat stability test device according to claim 1 is characterized in that: be provided with frequency converter in the housing, the output terminal of frequency converter is electrically connected with motor, and the input end of frequency converter is electrically connected with PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202724758U CN202171576U (en) | 2011-07-29 | 2011-07-29 | PVC thermal stability detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202724758U CN202171576U (en) | 2011-07-29 | 2011-07-29 | PVC thermal stability detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171576U true CN202171576U (en) | 2012-03-21 |
Family
ID=45829770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202724758U Expired - Lifetime CN202171576U (en) | 2011-07-29 | 2011-07-29 | PVC thermal stability detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202171576U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998327A (en) * | 2012-11-16 | 2013-03-27 | 北京市太阳能研究所集团有限公司 | Quick thermal stability detector and detection method thereof |
| CN106248916A (en) * | 2016-07-15 | 2016-12-21 | 长安大学 | A kind of asphalt binder ageing state analog |
| CN106483160A (en) * | 2016-10-26 | 2017-03-08 | 远东电缆有限公司 | A kind of detection means of the fuel-displaced phenomenon of PVC cable cover(ing) and detection method |
-
2011
- 2011-07-29 CN CN2011202724758U patent/CN202171576U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998327A (en) * | 2012-11-16 | 2013-03-27 | 北京市太阳能研究所集团有限公司 | Quick thermal stability detector and detection method thereof |
| CN106248916A (en) * | 2016-07-15 | 2016-12-21 | 长安大学 | A kind of asphalt binder ageing state analog |
| CN106483160A (en) * | 2016-10-26 | 2017-03-08 | 远东电缆有限公司 | A kind of detection means of the fuel-displaced phenomenon of PVC cable cover(ing) and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 314513, Jiaxing, Zhejiang Province, Tongxiang City, Quanzhou Town Industrial Zone 1-4 Patentee after: Jiaxing if new day Mstar Technology Ltd Address before: 523511 Guangdong province Qishi town Dongguan City Dongshan Yongfa Industrial Zone ruotian Guangdong new Mstar Technology Ltd Patentee before: Guangdong Nuotian New Material Technology Co.,Ltd |
|
| CP03 | Change of name, title or address | ||
| CP02 | Change in the address of a patent holder |
Address after: 314513, Jiaxing, Zhejiang Province, Tongxiang City, Quanzhou Town Industrial Zone 1-3 Patentee after: Jiaxing if new day Mstar Technology Ltd Address before: 314513, Jiaxing, Zhejiang Province, Tongxiang City, Quanzhou Town Industrial Zone 1-4 Patentee before: Jiaxing if new day Mstar Technology Ltd |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120321 |
|
| CX01 | Expiry of patent term |