CN104406887A - Edible oil detection device - Google Patents
Edible oil detection device Download PDFInfo
- Publication number
- CN104406887A CN104406887A CN201410726845.9A CN201410726845A CN104406887A CN 104406887 A CN104406887 A CN 104406887A CN 201410726845 A CN201410726845 A CN 201410726845A CN 104406887 A CN104406887 A CN 104406887A
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- edible oil
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- waste liquid
- temperature
- control system
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Abstract
The invention relates to an edible oil detection device which is simple in structure, low in cost, capable of detecting edible oil, high in detection precision and small in detection error. The edible oil detection device comprises a box body and an electric control system, wherein a chamber is formed inside the box body; a detection area and a temperature control area are respectively arranged on the left side and the right side of the chamber; a viscosity testing tube is arranged on the box body and in the detection area; the feeding tube, the testing tube and the buffer tube of the viscosity testing tube respectively extend out of the box body; a first sensor and a second sensor are arranged on the testing tube; the chamber is fully filled with detection fluid; a heating device and a cooling device for changing the temperature of the detection fluid are arranged on the box body and in the temperature control area; the heating device, the cooling device, the first sensor and the second sensor are all connected with the electric control system.
Description
Technical field
The present invention relates to a kind of edible oil detecting device.
Background technology
Along with the raising day by day of living standard, people also more and more pay attention to for healthy diet.For edible oil this part, because many dining rooms, restaurant adulterate, or even utilizing waste oil as preparing food with oil, greatly compromising the healthy of people.And in order to tackle the behavior of this bad businessman, edible oil and fat detection technique is also arisen at the historic moment, but current pick-up unit, method are all or comparatively simple and crude, cannot accurately recognize edible oil; Be exactly very complicated, equipment, the personnel of needs specialty detect, and cost is very high, is unfavorable for promoting.Existing test is all adopt viscosity test pipe to test usually, as shown in Figure 2, is testing tube for a viscosity test pipe 9,91 be feed pipe, 92,93 is separator tube.Add oil body, make the liquid level of static rear oil body to separator tube two scales 931 between, then apply negative pressure in testing tube upper end, what make oil body rises in the first buffering ball 921, and then negative pressure is cancelled, and oil body is fallen naturally, when the liquid level of oil body drop to the first inductor 923, startup put by timer, and when the liquid level of oil body drop to the second inductor 924, stopping put by timer, thus can draw the viscosity of the oil body identical with the second buffering ball 922 volume.But existing detection is all under lab utilize high-precision instrument to complete usually, and impracticable.
Summary of the invention
Therefore, for above-mentioned problem, the edible oil detecting device that the present invention proposes that a kind of structure is simple, cost is low, can detect edible oil, accuracy of detection is high, metrical error is little.
For achieving the above object, present invention employs following technical scheme: a kind of edible oil detecting device, comprise casing, electric control system, a chamber is provided with in described casing, the left and right sides of described chamber is respectively equipped with detection zone and temperature controlled region, described casing is positioned at detection zone place and is provided with viscosity test pipe, the feed pipe of described viscosity test pipe, testing tube, separator tube stretches out outside casing respectively, described testing tube is provided with the first inductor and the second inductor, test fluid is full of in described chamber, described casing is positioned at temperature controlled region place and is provided with heating arrangement for changing test fluid temperature and cooling device, described heating arrangement, cooling device, first inductor, second inductor is connected with electric control system respectively.
Further, described viscosity test pipe is provided with the cleaning drying device for cleaning and drying, described cleaning drying device comprises the cleaning fluid bottle be connected with feed pipe, be located at the first solenoid valve between cleaning fluid bottle and feed pipe, the waste liquid bottle be connected respectively with testing tube and separator tube, be located at the 3rd solenoid valve between waste liquid bottle and testing tube, be located at the 4th solenoid valve between waste liquid bottle and separator tube, the vacuum pump be connected with waste liquid bottle, described feed pipe is provided with and feed pipe can be made to connect open to atmosphere second solenoid valve, described vacuum pump and first, second, 3rd, 4th solenoid valve is connected with electric control system respectively.
Further, the variable valve for regulating aperture size is provided with between described vacuum pump and waste liquid bottle.
Further, be provided with the valve of waste liquid bottle institute storage of liquids discharge bottom described waste liquid bottle.
Further, described casing is positioned at temperature controlled region and is provided with axial flow cylinder, all sides on described axial flow cylinder top are run through and is provided with a plurality of connected entrance, described casing is provided with motor, the rotating shaft of described motor is stretched into chamber and is positioned at axial flow cylinder, the free end of described rotating shaft is provided with for the stirring vane by downward for test fluid drainage, and described motor is connected with electric control system.
Further, described heating arrangement is be located at two heating rods casing stretched in axial flow cylinder, and the left and right sides of rotating shaft is located at respectively by described two heating rods, and described heating rod is connected with electric control system.
Further, described cooling device be coil in axial flow cylinder periphery and the evaporator coil be connected with external refrigeration device.
Further, described casing is positioned at the thermometer that temperature controlled region is provided with a reading test fluid temperature, the upper end of described thermometer is stretched out outside casing.
Further, described casing is provided with one for reading the video camera of graduation of thermometer, and described video camera is connected with electric control system.
Further, described casing is double-layer transparent glass away from the sidewall of temperature controlled region, and all the other sidewalls are the poor conductor of heat, are vacuum layer between described two-layer clear glass.
By adopting preceding solution, the invention has the beneficial effects as follows: this edible oil detecting device utilizes in casing the mode being full of test fluid, change environment temperature residing for viscosity test pipe by heating arrangement and cooling device to change, thus temperature during test is controlled, temperature is controlled more accurate, temperature keeps more stable; Further, viscosity test pipe is provided with cleaning drying device, thus automatic cleaning, oven dry can be realized, and clean, good drying effect, cleaning, drying rate is fast; Further, this variable valve can select the variable valve with vacuum meter, can be convenient to the adjustment to pipeline inner pressure; Further, be provided with valve, the emptying of waste liquid bottle can be facilitated; Further, be provided with axial flow cylinder, motor, stirring vane, thus the test fluid in axial flow cylinder can be flowed from top to bottom, and the test fluid outside axial flow cylinder, the flowing to axial flow cylinder top bottom axial flow cylinder can be formed, thus form a circulation, make the control of temperature more convenient; Further, described chamber is provided with one for reading the video camera of graduation of thermometer, thus reading can be converted into electric signal, thus can in access control system, realize Automated condtrol, and the high precision of video camera can be utilized, by the minimum scale of thermometer decile again, thus improve the precision of temperature reading, thus control accuracy when carrying out temperature control is improved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of viscosity test pipe.
Embodiment
Now the present invention is further described with embodiment by reference to the accompanying drawings.
With reference to figure 1, Fig. 2, the present embodiment provides a kind of edible oil detecting device, comprise casing 1, electric control system, a chamber 11 is provided with in described casing 1, the left and right sides of described chamber 11 is respectively equipped with detection zone 1a and temperature controlled region 1b, described casing 1 is positioned at 1a place, detection zone and is provided with viscosity test pipe 9, the feed pipe 91 of described viscosity test pipe 9, testing tube 92, separator tube 93 stretches out outside casing 1 respectively, described testing tube 92 is provided with the first inductor 923 and the second inductor 924, test fluid is full of in described chamber 11, described casing 1 is positioned at 1b place, temperature controlled region and is provided with heating arrangement for changing test fluid temperature and cooling device, described heating arrangement, cooling device, first inductor 923, second inductor 924 is connected with electric control system respectively.
Described viscosity test pipe 9 is provided with the cleaning drying device for cleaning and drying, described cleaning drying device comprises the cleaning fluid bottle 25 be connected with feed pipe 91, be located at the first solenoid valve 21 between cleaning fluid bottle 25 and feed pipe, the waste liquid bottle 26 be connected respectively with testing tube 92 and separator tube 93, be located at the 3rd solenoid valve 23 between waste liquid bottle 26 and testing tube 92, be located at the 4th solenoid valve 24 between waste liquid bottle 26 and separator tube 93, the vacuum pump 27 be connected with waste liquid bottle 26, described feed pipe 91 is provided with and feed pipe 91 can be made to connect open to atmosphere second solenoid valve 22, described vacuum pump 27 and the first solenoid valve 21, second solenoid valve 22, 3rd solenoid valve 23, 4th solenoid valve 24 is connected with electric control system respectively.The variable valve 28 for regulating aperture size is provided with between described vacuum pump 27 and waste liquid bottle 26.Be provided with the valve 29 of waste liquid bottle 26 storage of liquids discharges bottom described waste liquid bottle 26.
Described casing 1 is positioned at temperature controlled region 1b and is provided with axial flow cylinder 3, all sides on described axial flow cylinder 3 top are run through and is provided with a plurality of connected entrance 31, described casing 1 is provided with motor 4, the rotating shaft 41 of described motor 4 is stretched into chamber 11 and is positioned at axial flow cylinder 3, the free end of described rotating shaft 41 is provided with for the stirring vane 42 by downward for test fluid drainage, and described motor 4 is connected with electric control system.Described heating arrangement is be located at two heating rods 5 casing 1 stretched in axial flow cylinder 3, and the left and right sides of rotating shaft 41 is located at respectively by described two heating rods 5, and described heating rod 5 is connected with electric control system.Described cooling device be coil in axial flow cylinder 3 periphery and the evaporator coil 6 be connected with external refrigeration device.
Described casing 1 is positioned at the thermometer 7 that temperature controlled region 1b is provided with a reading test fluid temperature, the upper end of described thermometer 7 is stretched out outside casing 1.
Described casing 1 is provided with one for reading the video camera 8 of thermometer 7 scale, and described video camera 8 is connected with electric control system.
Described casing 1 is double-layer transparent glass 12 away from the sidewall of temperature controlled region 1b, and all the other sidewalls are the poor conductor of heat, are vacuum layer 13 between described two-layer clear glass.
Principle of work of the present invention is: because its viscosity at same temperature of same oil body, mobility fluctuation are very little, and different oil body due to its oil ratio, impurity content need not, make there is very large difference in the viscosity of same temperature, mobility.As long as so control the temperature of test environment in a certain temperature, and temperature fluctuation is less, then the result of testing will be more accurate.Now be arranged on casing by viscosity test pipe, its body stretches in chamber and test fluid comprehensive engagement.Start heating arrangement, heating rod is heated test fluid, and by heat interchange, make fluid in axial flow cylinder from below outwardly, and enter from the top of axial flow cylinder, thus temperature is passed to viscosity test pipe.And be wound with the evaporation coil be connected with external refrigeration device due to all side panels of axial flow cylinder, thus can test fluid be lowered the temperature, thus can regulate temperature more easily.During adjustment, read the reading on thermometer, passed to control system by video camera, control system connects heating arrangement and refrigerating plant, thus controls heating arrangement startup or refrigerating plant startup, thus realizes regulating.
Wherein, when carrying out Treatment Analysis to the picture after collection, carry out 20 deciles to the minimum scale on thermometer, then to its reading, obtain the medial temperature of test fluid in the unit interval, camera acquisition frequency is 20 frames/second; Then, this medial temperature and design temperature are contrasted, the keying of heating arrangement is controlled by pid control mode, when the numerical value that medial temperature deducts design temperature is greater than 1 DEG C, only adopt heating devices heat, when the numerical value that medial temperature deducts design temperature is less than 1 DEG C, adopt heating arrangement and the coefficient mode of cooling device to prune the inertia of temperature, the speed making temperature increase reduces gradually.Thermometer can use minimum scale value to be the standard thermometer of 0.1 DEG C, and after carrying out 20 deciles to it, being equivalent to minimum scale value is 0.005 DEG C, and that is the precision controlling of temperature can reach 0.005 DEG C.
And after being completed, cleaning drying device can be utilized to carry out cleaning, drying to viscosity test pipe, its job step is: the first step, opens the first solenoid valve, makes cleaning fluid flow in viscosity test pipe; Second step, then close the 4th solenoid valve, open the 3rd solenoid valve, vacuum pump starts, thus forms negative pressure, is entered in waste liquid bottle by the liquid guide flow in viscosity test pipe, thus realizes the object of cleaning testing tube and feed pipe; 3rd step, then close the 3rd solenoid valve, open the 4th solenoid valve, vacuum pump starts, thus forms negative pressure, is entered in waste liquid bottle by the liquid guide flow in viscosity test pipe, thus realizes the object of cleaning separator tube and feed pipe; 4th step, then close the first solenoid valve, open the 3rd, the 4th solenoid valve, stop cleaning fluid flowing in viscosity test pipe, vacuum pump starts, and blows back in waste liquid bottle, make the emptying rate of liquid in testing tube by the liquid in testing tube; 5th step, then close the second solenoid valve, the entrance of feed pipe is closed, vacuum pump starts, after negative pressure in testing tube is strengthened, open the second solenoid valve, thus make feed pipe be communicated with air, air enters in viscosity test pipe rapidly, the residual liquid adhered in viscosity test inside pipe wall is taken away, the 6th step, when the storage in waste liquid bottle is above standard by the evaporation of air-flow rapidly, open valve, waste liquid bottle is deposited fluid discharge.
In above-mentioned second step or third step, 3rd solenoid valve and the 4th solenoid valve can adopt the staggered mode opened and closed, thus realize cleaning liquid and back and forth flow between testing tube and separator tube, make cleaning performance better, and can, after cleaning fluid flows into, by the first valve closing, utilize a small amount of cleaning fluid to reach the object of cleaning testing tube, and second step and third step can be merged, utilize step cleaning testing tube, separator tube, a feed pipe.
This edible oil detecting device utilizes in casing the mode being full of test fluid, changes environment temperature residing for viscosity test pipe change by heating arrangement and cooling device, thus controls temperature during test, and temperature is controlled more accurate, temperature keeps more stable; Further, viscosity test pipe is provided with cleaning drying device, thus automatic cleaning, oven dry can be realized, and clean, good drying effect, cleaning, drying rate is fast; Further, this variable valve can select the variable valve with vacuum meter, can be convenient to the adjustment to pipeline inner pressure; Further, be provided with valve, the emptying of waste liquid bottle can be facilitated; Further, be provided with axial flow cylinder, motor, stirring vane, thus the test fluid in axial flow cylinder can be flowed from top to bottom, and the test fluid outside axial flow cylinder, the flowing to axial flow cylinder top bottom axial flow cylinder can be formed, thus form a circulation, make the control of temperature more convenient; Further, described chamber is provided with one for reading the video camera of graduation of thermometer, thus reading can be converted into electric signal, thus can in access control system, realize Automated condtrol, and the high precision of video camera can be utilized, by the minimum scale of thermometer decile again, thus improve the precision of temperature reading, thus control accuracy when carrying out temperature control is improved.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (10)
1. an edible oil detecting device, comprise casing, electric control system, a chamber is provided with in described casing, the left and right sides of described chamber is respectively equipped with detection zone and temperature controlled region, described casing is positioned at detection zone place and is provided with viscosity test pipe, the feed pipe of described viscosity test pipe, testing tube, separator tube stretches out outside casing respectively, described testing tube is provided with the first inductor and the second inductor, it is characterized in that: in described chamber, be full of test fluid, described casing is positioned at temperature controlled region place and is provided with heating arrangement for changing test fluid temperature and cooling device, described heating arrangement, cooling device, first inductor, second inductor is connected with electric control system respectively.
2. a kind of edible oil detecting device according to claim 1, it is characterized in that: described viscosity test pipe is provided with the cleaning drying device for cleaning and drying, described cleaning drying device comprises the cleaning fluid bottle be connected with feed pipe, be located at the first solenoid valve between cleaning fluid bottle and feed pipe, the waste liquid bottle be connected respectively with testing tube and separator tube, be located at the 3rd solenoid valve between waste liquid bottle and testing tube, be located at the 4th solenoid valve between waste liquid bottle and separator tube, the vacuum pump be connected with waste liquid bottle, described feed pipe is provided with and feed pipe can be made to connect open to atmosphere second solenoid valve, described vacuum pump and first, second, 3rd, 4th solenoid valve is connected with electric control system respectively.
3. a kind of edible oil detecting device according to claim 2, is characterized in that: be provided with the variable valve for regulating aperture size between described vacuum pump and waste liquid bottle.
4. a kind of edible oil detecting device according to claim 2, is characterized in that: be provided with the valve of waste liquid bottle institute storage of liquids discharge bottom described waste liquid bottle.
5. a kind of edible oil detecting device according to the arbitrary claim of Claims 1-4, it is characterized in that: described casing is positioned at temperature controlled region and is provided with axial flow cylinder, all sides on described axial flow cylinder top are run through and is provided with a plurality of connected entrance, described casing is provided with motor, the rotating shaft of described motor is stretched into chamber and is positioned at axial flow cylinder, the free end of described rotating shaft is provided with for the stirring vane by downward for test fluid drainage, and described motor is connected with electric control system.
6. a kind of edible oil detecting device according to claim 5, it is characterized in that: described heating arrangement is be located at two heating rods casing stretched in axial flow cylinder, the left and right sides of rotating shaft is located at respectively by described two heating rods, and described heating rod is connected with electric control system.
7. a kind of edible oil detecting device according to claim 5, is characterized in that: described cooling device be coil in axial flow cylinder periphery and the evaporator coil be connected with external refrigeration device.
8. a kind of edible oil detecting device according to the arbitrary claim of Claims 1-4, is characterized in that: described casing is positioned at the thermometer that temperature controlled region is provided with a reading test fluid temperature, the upper end of described thermometer is stretched out outside casing.
9. a kind of temperature control equipment detected for edible oil and fat according to claim 8, is characterized in that: described casing is provided with one for reading the video camera of graduation of thermometer, and described video camera is connected with electric control system.
10. a kind of temperature control equipment detected for edible oil and fat according to the arbitrary claim of Claims 1-4, it is characterized in that: described casing is double-layer transparent glass away from the sidewall of temperature controlled region, all the other sidewalls are the poor conductor of heat, are vacuum layer between described two-layer clear glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726845.9A CN104406887B (en) | 2014-12-04 | 2014-12-04 | Edible oil detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726845.9A CN104406887B (en) | 2014-12-04 | 2014-12-04 | Edible oil detection device |
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| Publication Number | Publication Date |
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| CN104406887A true CN104406887A (en) | 2015-03-11 |
| CN104406887B CN104406887B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410726845.9A Expired - Fee Related CN104406887B (en) | 2014-12-04 | 2014-12-04 | Edible oil detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823806A (en) * | 2016-05-17 | 2016-08-03 | 淮北师范大学 | Portable edible oil detecting device |
| CN107643416A (en) * | 2017-10-25 | 2018-01-30 | 泉州市全通光电科技有限公司 | A kind of new automatic condensation point tester and its method of testing |
| CN109323958A (en) * | 2017-07-31 | 2019-02-12 | 泰奥星（天津）有限公司 | A kind of kinematic viscosity analyzer |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1518214A (en) * | 1976-03-04 | 1978-07-19 | Antar Petroles Atlantique | Apparatus and method for the continuous automatic determination of the"filterability point"of a liquid |
| US5323638A (en) * | 1989-10-05 | 1994-06-28 | Gec-Marconi Limited | Sensor apparatus |
| WO2007058922A2 (en) * | 2005-11-14 | 2007-05-24 | Honeywell International Inc. | Sensor for detecting the adulteration and quality of fluids |
| CN2909200Y (en) * | 2006-04-27 | 2007-06-06 | 深圳市湘津石仪器有限公司 | Automatic gliding process analyzer |
| CN201724879U (en) * | 2010-03-16 | 2011-01-26 | 津市市石油化工仪器有限公司 | Lubricating oil kinematic viscosity measuring apparatus |
| CN201803923U (en) * | 2010-09-03 | 2011-04-20 | 洪泉益 | Multi-path full-automatic inherent viscosity tester |
| CN201803922U (en) * | 2010-09-03 | 2011-04-20 | 洪杰辉 | Kinematic viscosity tester with automatic cleaning function |
| CN202052555U (en) * | 2011-04-30 | 2011-11-30 | 广西师范大学 | Constant temperature bath device |
| CN204269509U (en) * | 2014-12-04 | 2015-04-15 | 泉州泽仕通科技有限公司 | A kind of edible oil detecting device |
-
2014
- 2014-12-04 CN CN201410726845.9A patent/CN104406887B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1518214A (en) * | 1976-03-04 | 1978-07-19 | Antar Petroles Atlantique | Apparatus and method for the continuous automatic determination of the"filterability point"of a liquid |
| US5323638A (en) * | 1989-10-05 | 1994-06-28 | Gec-Marconi Limited | Sensor apparatus |
| WO2007058922A2 (en) * | 2005-11-14 | 2007-05-24 | Honeywell International Inc. | Sensor for detecting the adulteration and quality of fluids |
| CN2909200Y (en) * | 2006-04-27 | 2007-06-06 | 深圳市湘津石仪器有限公司 | Automatic gliding process analyzer |
| CN201724879U (en) * | 2010-03-16 | 2011-01-26 | 津市市石油化工仪器有限公司 | Lubricating oil kinematic viscosity measuring apparatus |
| CN201803923U (en) * | 2010-09-03 | 2011-04-20 | 洪泉益 | Multi-path full-automatic inherent viscosity tester |
| CN201803922U (en) * | 2010-09-03 | 2011-04-20 | 洪杰辉 | Kinematic viscosity tester with automatic cleaning function |
| CN202052555U (en) * | 2011-04-30 | 2011-11-30 | 广西师范大学 | Constant temperature bath device |
| CN204269509U (en) * | 2014-12-04 | 2015-04-15 | 泉州泽仕通科技有限公司 | A kind of edible oil detecting device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823806A (en) * | 2016-05-17 | 2016-08-03 | 淮北师范大学 | Portable edible oil detecting device |
| CN109323958A (en) * | 2017-07-31 | 2019-02-12 | 泰奥星（天津）有限公司 | A kind of kinematic viscosity analyzer |
| CN107643416A (en) * | 2017-10-25 | 2018-01-30 | 泉州市全通光电科技有限公司 | A kind of new automatic condensation point tester and its method of testing |
| CN107643416B (en) * | 2017-10-25 | 2024-01-30 | 泉州市全通光电科技有限公司 | Novel full-automatic condensation point testing instrument and testing method thereof |
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