CN103792252B - A kind of grease melting point detector - Google Patents
A kind of grease melting point detector Download PDFInfo
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- CN103792252B CN103792252B CN201410048986.XA CN201410048986A CN103792252B CN 103792252 B CN103792252 B CN 103792252B CN 201410048986 A CN201410048986 A CN 201410048986A CN 103792252 B CN103792252 B CN 103792252B
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- plc
- pedestal
- measure
- heating tank
- grease
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Abstract
The invention discloses the grease melting point detector that a kind of testing result order of accuarcy is high, comprise base, base is provided with measurement pedestal, measure in pedestal and be provided with PLC, measure pedestal be provided with the display screen that is connected with PLC and, base is provided with the specimen holder gripping arm by PLC controlled motion, measure the refrigeration module that pedestal is provided with refrigeration groove and is controlled by PLC, the first temperature sensor is provided with in refrigeration groove, measure pedestal and be provided with heating tank, heating tank is measured pedestal and is provided with the air disturbance pipeline that the heating arrangement that controlled by PLC is connected with the air compressor that PLC controls, described measurement pedestal is provided with the refrigeration time set be connected with PLC, the second temperature sensor be connected with PLC is provided with in heating tank, be provided with in heating tank be connected with PLC for detecting sample the first infrared eye whether plug-in mounting puts in place, measure on pedestal and be provided with in the position corresponding to sample grease post the infrared sensor for detecting grease post infrared transmittivity be connected with PLC.
Description
Technical field
The present invention relates to a kind of grease melting point detector.
Background technology
The detection of grease fusing point need adopt the method specified in GB/T24892-2010/ISO6321:2002: under prescribed conditions, one section of fatty post solidified is prepared in one end of kapillary, be immersed in the water-bath of certain depth, make temperature during fatty post upward sliding be designated as the fusing point of grease in water-bath by schedule speed intensification.But according to the words not only complex operation that standard adopts the method for manual testing to measure, and be difficult to accurate recording fusing point numerical value, accuracy of measurement and degree of stability poor.
Summary of the invention
Technical matters to be solved by this invention is: provide the grease melting point detector that a kind of testing result order of accuarcy is high.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of grease melting point detector, comprise base, base is provided with measurement pedestal, measure in pedestal and be provided with PLC, measure pedestal and be provided with the display screen be connected with PLC, base is provided with two root posts side by side, column is provided with upper bracket, first drive unit of driving top shoe slippage upper bracket being movably equipped with top shoe and controlled by PLC, top shoe side is provided with perpendicular to the erecting frame of this direction, face slippage and the second drive unit of drive installation frame slippage of being controlled by PLC, erecting frame be provided with specimen holder gripping arm moving up and down and controlled by PLC driving specimen holder gripping arm motion the 3rd drive unit, specimen holder gripping arm bottom is provided with sample mount pad, measure the refrigeration module that pedestal is provided with refrigeration groove and is controlled by PLC, the first temperature sensor is provided with in refrigeration groove, measure pedestal and be provided with heating tank, heating tank is measured pedestal and is provided with the heating arrangement controlled by PLC, described measurement pedestal is provided with the refrigeration time set be connected with PLC, the second temperature sensor be connected with PLC is provided with in heating tank, be provided with in heating tank be connected with PLC whether insert for detecting sample the first infrared eye put in place, measure on pedestal and be provided with in the position corresponding to sample grease post the infrared sensor for detecting grease post infrared transmittivity be connected with PLC, conduit is provided with in described heating tank, measure pedestal and be provided with the air compressor for carrying air in heating tank be connected with conduit, described first drive unit comprises the first drive motor be arranged on top shoe, first drive motor force-output shaft is provided with driven wheel, upper bracket is provided with the tooth bar matched with driven wheel, described second drive unit comprises the leading screw be arranged on top shoe, and described erecting frame is provided with threaded hole, and described erecting frame is set on leading screw by the threaded hole on it, described 3rd drive unit comprises the 3rd drive motor be arranged on described erecting frame, described specimen holder gripping arm comprises activity and is located in connecting link in erecting frame, connecting link is axially arranged with some teeth, 3rd drive motor force-output shaft is provided with the driven wheel matched with teeth on connecting link, and described sample mount pad is arranged on bottom connecting link.
As the preferred scheme of one, described second temperature sensor is arranged on the same level position, bottom with sample column.
As the preferred scheme of one, described heating arrangement is electromagnetic heater.
As the preferred scheme of one, described time set is the time set of manual triggers.
As the preferred scheme of another kind, be also provided with in described refrigeration groove be connected with PLC for detecting sample the second infrared eye whether plug-in mounting puts in place, described time set is triggered by the second infrared eye.
As the preferred scheme of one, described refrigeration groove outer wall is provided with thermofin.
As the preferred scheme of one, described refrigeration module outside is provided with some heat radiator, and described measurement pedestal is provided with fan on heat radiator side.
The invention has the beneficial effects as follows: sample automatically can be delivered to refrigeration groove and freeze by this measurement mechanism after fixing the kapillary that sample is housed, automatically can deliver to heating tank to carry out heating and to be coordinated with temperature sensor by infrared sensor melting temperature is shown on a display screen after grease solidifies, automaticity is high, and fusing point test is accurate.
Owing to being provided with conduit in heating tank, measure pedestal and be provided with the air compressor for carrying air in heating tank be connected with conduit, by air compressor, pump air in heating tank, realize air disturbance, ensure that the temperature in heating tank is consistent.
Because the second temperature sensor is arranged on the same level position, bottom with sample column, the melting point data of grease can be recorded more accurately.
Due to be also provided with in refrigeration groove be connected with PLC for detecting sample the second infrared eye whether plug-in mounting puts in place, described time set is triggered by the second infrared eye, and whole device can be made like this to have realized fully-automated synthesis.
Because refrigeration groove outer wall is provided with thermofin, the heat of the liquid absorption in refrigeration groove can be reduced, reduce the energy consumption needed for refrigeration.
Because refrigeration module outside is provided with some heat radiator, measure on pedestal and be provided with fan on heat radiator side, refrigeration module can be made to dispel the heat better, make the longer service life of refrigeration module.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is left TV structure schematic diagram of the present invention.
Fig. 3 is plan structure schematic diagram of the present invention.
In Fig. 1 to Fig. 3: 1. base, 2. measure pedestal, 3. column, 4. upper bracket, 5. top shoe, 6. erecting frame, 7. specimen holder gripping arm, 8. sample mount pad, 9. refrigeration groove, 10. the first temperature sensor, 11. refrigeration modules, 12. thermofins, 13. heat radiator, 14. fans, 15. heating tanks, 16. electromagnetic heaters, 17. cover plates, 18. refrigeration time sets, 19. second infrared eyes, 20. second temperature sensors, 21. first infrared eyes, 22. infrared sensors, 23. conduits, 24. air compressor, 25. display screens.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiment of the invention scheme in detail.
As Figure 1-3, a kind of grease melting point detector, comprises base 1, and base 1 is provided with measures pedestal 2, measures in pedestal 2 and is provided with PLC (not shown), measures pedestal 2 and is provided with the display screen 25 be connected with PLC.Base 1 is provided with side by side two root posts 3, column 3 is provided with upper bracket 4, the first drive unit of driving top shoe 5 slippage upper bracket 4 being movably equipped with top shoe 5 and being controlled by PLC.Described first drive unit comprises the first drive motor (not shown) be arranged on top shoe 5, first drive motor force-output shaft is provided with driven wheel (not shown), and upper bracket 4 is provided with the tooth bar (not shown) matched with driven wheel; Top shoe 5 side is provided with perpendicular to the erecting frame 6 of this direction, face slippage and the second drive unit of drive installation frame 6 slippage of being controlled by PLC, described second drive unit comprises the leading screw (not shown) be arranged on top shoe 5, erecting frame 6 is provided with threaded hole, and erecting frame 6 is set on leading screw by the threaded hole on it; Erecting frame 6 is provided with the 3rd drive unit that specimen holder gripping arm 7 moving up and down and the driving specimen holder gripping arm 7 that controlled by PLC are moved.Described 3rd drive unit comprises the 3rd drive motor (not shown) be arranged on described erecting frame 6, described specimen holder gripping arm 7 comprises activity and is located in connecting link in erecting frame 6, connecting link is axially arranged with some teeth, 3rd drive motor force-output shaft is provided with the driven wheel (not shown) matched with teeth on connecting link, is provided with sample mount pad 8 bottom connecting link.
Measure the refrigeration module 11 that pedestal 2 is provided with refrigeration groove 9 and is controlled by PLC.Refrigeration groove 9 is provided with the cover plate 17 of carry sample patchhole.Be provided with the first temperature sensor 10 in refrigeration groove 9, refrigeration groove 9 outer wall is provided with thermofin 12.Refrigeration module 11 outside is provided with some heat radiator 13, and described measurement pedestal 2 is provided with fan 14 on heat radiator 13 side.Described measurement pedestal 2 is provided with the refrigeration time set 18 be connected with PLC, be provided with in described refrigeration groove 9 be connected with PLC for detecting sample the second infrared eye 19 whether plug-in mounting puts in place, described time set is triggered by the second infrared eye 19.
Measure pedestal 2 and be provided with heating tank 15, heating tank 15 is also provided with the cover plate 17 of carry sample patchhole.Heating tank 15 is measured pedestal 2 and is provided with the electromagnetic heater 16 controlled by PLC.Be provided with conduit 23 in described heating tank 15, measure pedestal 2 and be provided with the air compressor 24 for carrying air in heating tank 15 be connected with conduit 23.Be provided with in heating tank 15 be connected with PLC and the second temperature sensor 20 of same level position, bottom with sample column, be provided with in heating tank 15 be connected with PLC for detecting sample the first infrared eye 21 whether plug-in mounting puts in place, measure on pedestal 2 and be provided with in the position corresponding to sample grease post the infrared sensor 22 for detecting grease post infrared transmittivity be connected with PLC.
Workflow:
In refrigeration groove 9, load brine solution, starting outfit, refrigeration groove 9 is freezed rapidly by refrigeration module 11, heat radiator 13 and fan 14, and temperature in refrigeration groove 9 is controlled between-12 DEG C to-14 DEG C together in conjunction with the first temperature sensor 10.
The fatty post prepared is placed on sample mount pad 8, start detection program, under PLC controls, specimen holder gripping arm 7 is moved sample delivery and is positioned in refrigeration groove 9, and time set is opened simultaneously, after reaching setting-up time, PLC Quality control clamping limb 7 moves and to be delivered in heating tank 15 by sample.
Add in heating tank 15 enough water ensure sample can below liquid level 30mm to meet examination criteria relevant regulations, specimen holder gripping arm 7 is inserted into fixed position under water sample, the requirement that heating tank 15 is specified according to detection method by PLC control electromagnetic heater 16 is heated, simultaneously the second temperature sensor 20 monitor temperature send data to PLC, to regulate electromagnetic heater 16 power in real time, temperature in heating tank 15 is met the requirements, thus realizes temperature programme.Pumped air in heating tank 15 by air compressor 24 while heating, realize air disturbance, ensure that the temperature in heating tank 15 is consistent.When reaching grease fusing point, fatty post rises, and infrared transmittivity strengthens, and now the realtime curve that recorded by temperature sensor of PLC is on display screen 25.
If adopt the melting point detector of the manual time set of band, its difference is: being placed on after in refrigeration groove 9 by sample in specimen holder gripping arm 7 needs manual triggers time set.
The above embodiments are the principle of illustrative the invention and effect thereof only, and the embodiment that part is used, but not for limiting the present invention; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (7)
1. a grease melting point detector, comprise base, base is provided with measurement pedestal, measure in pedestal and be provided with PLC, measure pedestal and be provided with the display screen be connected with PLC, base is provided with two root posts side by side, column is provided with upper bracket, it is characterized in that: the first drive unit of driving top shoe slippage described upper bracket being movably equipped with top shoe and being controlled by PLC, top shoe side is provided with perpendicular to the erecting frame of this direction, face slippage and the second drive unit of drive installation frame slippage of being controlled by PLC, erecting frame be provided with specimen holder gripping arm moving up and down and controlled by PLC driving specimen holder gripping arm motion the 3rd drive unit, specimen holder gripping arm bottom is provided with sample mount pad, measure the refrigeration module that pedestal is provided with refrigeration groove and is controlled by PLC, the first temperature sensor is provided with in refrigeration groove, measure pedestal and be provided with heating tank, heating tank is measured pedestal and is provided with the heating arrangement controlled by PLC, described measurement pedestal is provided with the refrigeration time set be connected with PLC, the second temperature sensor be connected with PLC is provided with in heating tank, be provided with in heating tank be connected with PLC whether insert for detecting sample the first infrared eye put in place, measure on pedestal and be provided with in the position corresponding to sample grease post the infrared sensor for detecting grease post infrared transmittivity be connected with PLC, conduit is provided with in described heating tank, measure pedestal and be provided with the air compressor for carrying air in heating tank be connected with conduit, described first drive unit comprises the first drive motor be arranged on top shoe, first drive motor force-output shaft is provided with driven wheel, upper bracket is provided with the tooth bar matched with driven wheel, described second drive unit comprises the leading screw be arranged on top shoe, and erecting frame is provided with threaded hole, and erecting frame is set on leading screw by the threaded hole on it, described 3rd drive unit comprises the 3rd drive motor be arranged on described erecting frame, described specimen holder gripping arm comprises activity and is located in connecting link in erecting frame, connecting link is axially arranged with some teeth, 3rd drive motor force-output shaft is provided with the driven wheel matched with teeth on connecting link, and described sample mount pad is arranged on bottom connecting link.
2. a kind of grease melting point detector as claimed in claim 1, is characterized in that: described second temperature sensor is arranged on the same level position, bottom with sample column.
3. a kind of grease melting point detector as claimed in claim 2, is characterized in that: described heating arrangement is electromagnetic heater.
4. a kind of grease melting point detector according to any one of claim 1-3, is characterized in that: described time set is the time set of manual triggers.
5. a kind of grease melting point detector according to any one of claim 1-3, it is characterized in that: be also provided with in described refrigeration groove be connected with PLC for detecting sample the second infrared eye whether plug-in mounting puts in place, described time set is triggered by the second infrared eye.
6. a kind of grease melting point detector according to any one of claim 1-3, is characterized in that: described refrigeration groove outer wall is provided with thermofin.
7. a kind of grease melting point detector according to any one of claim 1-3, is characterized in that: described refrigeration module outside is provided with some heat radiator, and described measurement pedestal is provided with fan on heat radiator side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410048986.XA CN103792252B (en) | 2014-02-12 | 2014-02-12 | A kind of grease melting point detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410048986.XA CN103792252B (en) | 2014-02-12 | 2014-02-12 | A kind of grease melting point detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103792252A CN103792252A (en) | 2014-05-14 |
| CN103792252B true CN103792252B (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410048986.XA Expired - Fee Related CN103792252B (en) | 2014-02-12 | 2014-02-12 | A kind of grease melting point detector |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201837601U (en) * | 2010-11-12 | 2011-05-18 | 长安大学 | Full-automatic asphalt softening point tester |
| CN201881214U (en) * | 2010-07-30 | 2011-06-29 | 浙江勤龙机械科技股份有限公司 | Automatic saw web grinding machine |
| CN201988908U (en) * | 2011-02-25 | 2011-09-28 | 比亚迪股份有限公司 | Screw conveying and tightening equipment |
| CN102590264A (en) * | 2012-01-20 | 2012-07-18 | 北京吉天仪器有限公司 | Grease melting point measuring meter and method for measuring grease melting point by same |
| CN202421096U (en) * | 2012-01-17 | 2012-09-05 | 谭曜 | Automatic detector for dropping point of lubricating grease |
| CN203720114U (en) * | 2014-02-12 | 2014-07-16 | 中华人民共和国张家港出入境检验检疫局 | Oil melting point tester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2406904A (en) * | 2003-10-09 | 2005-04-13 | Asahi Chemical Ind | Measuring the melting, softening or decomposition points by detecting a change in luminosity or reflectance of the sample |
-
2014
- 2014-02-12 CN CN201410048986.XA patent/CN103792252B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201881214U (en) * | 2010-07-30 | 2011-06-29 | 浙江勤龙机械科技股份有限公司 | Automatic saw web grinding machine |
| CN201837601U (en) * | 2010-11-12 | 2011-05-18 | 长安大学 | Full-automatic asphalt softening point tester |
| CN201988908U (en) * | 2011-02-25 | 2011-09-28 | 比亚迪股份有限公司 | Screw conveying and tightening equipment |
| CN202421096U (en) * | 2012-01-17 | 2012-09-05 | 谭曜 | Automatic detector for dropping point of lubricating grease |
| CN102590264A (en) * | 2012-01-20 | 2012-07-18 | 北京吉天仪器有限公司 | Grease melting point measuring meter and method for measuring grease melting point by same |
| CN203720114U (en) * | 2014-02-12 | 2014-07-16 | 中华人民共和国张家港出入境检验检疫局 | Oil melting point tester |
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| Publication number | Publication date |
|---|---|
| CN103792252A (en) | 2014-05-14 |
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Granted publication date: 20151230 Termination date: 20190212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |