CN103399041B - A kind of sensor for grain oil water content detector - Google Patents
A kind of sensor for grain oil water content detector Download PDFInfo
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- CN103399041B CN103399041B CN201310320398.2A CN201310320398A CN103399041B CN 103399041 B CN103399041 B CN 103399041B CN 201310320398 A CN201310320398 A CN 201310320398A CN 103399041 B CN103399041 B CN 103399041B
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Abstract
The present invention relates to a kind of sensor for grain oil water content detector, comprise urceolus, the bottom of urceolus is removably connected with the base that insulating material is made, and base is fixed with retractable electrode, travel switch, the upper surface of the depression bar of travel switch, retractable electrode protuberate basic unit respectively; Be provided with inner core in urceolus, the outer wall of inner core can slide along outer tube inner wall, and the bottom of inner core is fixed with electrode and supports insulative plate, and insulate between electrode and inner core, electrode is corresponding with the position of retractable electrode; Be provided with spring between base and supports insulative plate, the upper end of urceolus is provided with inner convex platform; The internal diameter of inner core is less than the internal diameter of inner convex platform, and the external diameter of inner core is greater than the internal diameter of inner convex platform; The upper end of inner core is provided with extending, and extending can stretch out urceolus along inner convex platform, and during use, inner core can not skid off in urceolus, and very easy to use, work efficiency is high.
Description
Technical field
The present invention relates to a kind of surveying instrument, specifically, relate to a kind of sensor for grain oil water content detector, belong to technical field of analytical instruments.
Background technology
At present, traditional grain moisture content analyser sensor generally all adopts the structure of Chinese patent ZLO2213436.0, comprise the upper cover and base that can be linked together by matching thread, in base, cylinder is surveyed in assembling one, bottom and the spring of this survey cylinder are assembled together, and survey cylinder and base inner wall are slidably matched.Take off upper cover during use, by in-built for survey cylinder powder of having one's face covered with, tighten upper cover, when bottom electrode and switch plate and contacts, start to measure; Often carry out one-shot measurement operation, when tested grain is poured out or changed tested grain, needed upper cover oppositely to screw off on the one hand, survey cylinder on the other hand easily to skid off in base with grain, cause the parts of sensor internal to be easily scattered, also will ressemble when reusing, use inconvenience.
Summary of the invention
The technical problem to be solved in the present invention is for above defect, provides a kind of sensor for grain oil water content detector easy to use.
For overcoming the above problems, the technical solution adopted in the present invention is: a kind of sensor for grain oil water content detector, comprise metal urceolus, it is characterized in that: the bottom of described urceolus is removably connected with the base that insulating material is made, base is fixed with retractable electrode, travel switch, the depression bar of travel switch, the upper surface of retractable electrode difference protuberate basic unit;
Be provided with inner core in described urceolus, the outer wall of inner core can slide along outer tube inner wall, and the bottom of inner core is fixed with electrode and supports insulative plate, and insulate between electrode and inner core, electrode is corresponding with the position of retractable electrode;
Be provided with spring between described base and supports insulative plate, the upper end of urceolus is provided with inner convex platform;
The internal diameter of described inner core is less than the internal diameter of inner convex platform, and the external diameter of inner core is greater than the internal diameter of inner convex platform;
The upper end of described inner core is provided with extending, and extending can stretch out urceolus along inner convex platform.
A kind of prioritization scheme, described supports insulative plate runs through and has bolt, bolt is fixedly connected with electrode.
Another kind of prioritization scheme, the bottom of described supports insulative plate is provided with spring clamp, and spring clamp is arranged in the interior ring groove bottom inner core.
Another prioritization scheme, the bottom of described base is fixed with sheet metal, and sheet metal is connected with urceolus.
Further prioritization scheme, is provided with spring clamp below described base, and spring clamp is arranged in the interior ring groove bottom urceolus.
Further prioritization scheme, the normal open switch of described travel switch is connected between metering circuit and trigger circuit, and retractable electrode, urceolus are electrically connected with metering circuit respectively.
The present invention adopts above technical scheme, compared with existing technical scheme, have the following advantages: during use, grain to be measured or oil plant are positioned in inner core, upper cover is sleeved on urceolus, the pressed end of upper cover coordinates with inner core, when inner core be extruded into travel switch close time, metering circuit obtains trigger pip and starts working, bolt contacts with retractable electrode simultaneously, metering circuit starts the numerical value measuring contained humidity in grain to be measured or oil plant, when changing grain to be measured, directly sensor perturbations is poured out grain, because the upper end of urceolus is provided with inner convex platform, the internal diameter of inner core is less than the internal diameter of inner convex platform, the external diameter of inner core is greater than the internal diameter of inner convex platform, the upper end of inner core is provided with extending, extending can stretch out urceolus along inner convex platform, so inner core can not skid off in urceolus, very easy to use, work efficiency is high.
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of sensor in the embodiment of the present invention;
Accompanying drawing 2 is the structural representation of base in the embodiment of the present invention;
Accompanying drawing 3 is the upward view of accompanying drawing 2;
Accompanying drawing 4 is the partial enlarged drawing in accompanying drawing 1;
Accompanying drawing 5 is the structural representation of upper cover in the embodiment of the present invention;
In figure,
1-urceolus, 2-base, 3-retractable electrode, 4-travel switch, 5-sheet metal, 6-spring clamp, 7-inner core, 8-electrode, 9-supports insulative plate, 10-spring clamp, 11-bolt, 12-spring, 13-inner convex platform, 14-upper cover, 15-pressed end, 16-extending.
Embodiment
Embodiment, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, a kind of sensor for grain oil water content detector, comprise metal urceolus 1, the bottom of urceolus 1 is removably connected with the base 2 that insulating material is made, the centre position of base 2 is fixed with retractable electrode 3, the upper surface of retractable electrode 3 protuberate basic unit 2, base 2 is fixed with travel switch 4, the upper surface of the depression bar protuberate basic unit 2 of travel switch 4, the bottom of base 2 is fixed with sheet metal 5, sheet metal 5 is connected with urceolus 1, spring clamp 6 is provided with below base 2, spring clamp 6 is arranged in the interior ring groove bottom urceolus 1, the normal open switch of travel switch 4 is connected between metering circuit and trigger circuit, retractable electrode 3, sheet metal 5 is connected with metering circuit respectively by wire.
Metal inner core 7 is provided with in urceolus 1, the outer wall of inner core 7 can slide along urceolus 1 inwall, inner core 7 is electrically connected with urceolus 1, the bottom of inner core 7 is fixed with electrode 8 and supports insulative plate 9, the bottom of supports insulative plate 9 is provided with spring clamp 10, spring clamp 10 is arranged in the interior ring groove bottom inner core 7, electrode 8 is arranged on supports insulative plate 9 and also and between inner core 7 insulate, bolt 11 passes supports insulative plate 9 connecting electrode 8 and is fixed on supports insulative plate 9 by electrode 8, bolt 11 is corresponding with the position of retractable electrode 3, spring 12 is provided with between base 2 and supports insulative plate 9, the upper end of urceolus 1 is provided with inner convex platform 13, the internal diameter of inner core 7 is less than the internal diameter of inner convex platform 13, and the external diameter of inner core 7 is greater than the internal diameter of inner convex platform 13, the upper end of inner core 7 is provided with extending 16, and extending 16 can stretch out urceolus 1 along inner convex platform 13, and grain oil water content detector also comprises upper cover 14, is provided with pressed end 15 in upper cover 14, and the external diameter of pressed end 15 is greater than the internal diameter of inner convex platform 13.
Metering circuit, trigger circuit can adopt the common circuit of this area, so the present embodiment no longer describes in detail.Under normal circumstances, under the effect of spring 12, extending 16 stretches out outside urceolus 1 along inner convex platform 13, during use, grain to be measured or oil plant are positioned in inner core 7, upper cover 14 is sleeved on urceolus 1, the pressed end 15 of upper cover 14 coordinates with extending 16, when the upper surface of extending 16 is concordant with the upper surface of urceolus 1, the normal open switch that inner core 7 is extruded into travel switch 4 closes, metering circuit obtains trigger pip and starts working, bolt 11 contacts with retractable electrode 3 simultaneously, metering circuit starts the numerical value measuring contained humidity in grain to be measured or oil plant, when changing grain to be measured, directly sensor perturbations is poured out grain, upper end due to urceolus 1 is provided with inner convex platform 13, so inner core 7 can not skid off in urceolus 1, very easy to use, work efficiency is high.
Those skilled in the art will recognize that; above-mentioned embodiment is exemplary; to enable those skilled in the art better understand content of the present invention; should not be understood as limiting the scope of the invention; as long as according to the improvement that technical solution of the present invention is done, all fall into protection scope of the present invention.
Claims (6)
1. a sensor for grain oil water content detector, comprise metal urceolus (1), it is characterized in that: the bottom of described urceolus (1) is removably connected with the base (2) that insulating material is made, base (2) is fixed with retractable electrode (3), travel switch (4), the depression bar of travel switch (4), the upper surface of retractable electrode (3) difference protuberate basic unit (2);
Inner core (7) is provided with in described urceolus (1), the outer wall of inner core (7) can slide along urceolus (1) inwall, the bottom of inner core (7) is fixed with electrode (8) and supports insulative plate (9), insulate between electrode (8) and inner core (7), electrode (8) is corresponding with the position of retractable electrode (3);
Be provided with spring (12) between described base (2) and supports insulative plate (9), the upper end of urceolus (1) is provided with inner convex platform (13);
The internal diameter of described inner core (7) is less than the internal diameter of inner convex platform (13), and the external diameter of inner core (7) is greater than the internal diameter of inner convex platform (13);
The upper end of described inner core (7) is provided with extending (16), and extending (16) can stretch out urceolus (1) along inner convex platform (13).
2. a kind of sensor for grain oil water content detector as claimed in claim 1, is characterized in that: described supports insulative plate (9) is run through bolt (11), and bolt (11) is fixedly connected with electrode (8).
3. a kind of sensor for grain oil water content detector as claimed in claim 2, is characterized in that: the bottom of described supports insulative plate (9) is provided with spring clamp (10), and spring clamp (10) is arranged in the interior ring groove of inner core (7) bottom.
4. a kind of sensor for grain oil water content detector as claimed in claim 1, is characterized in that: the bottom of described base (2) is fixed with sheet metal (5), and sheet metal (5) is connected with urceolus (1).
5. a kind of sensor for grain oil water content detector as claimed in claim 1, is characterized in that: be provided with spring clamp (6) below described base (2), and spring clamp (6) is arranged in the interior ring groove of urceolus (1) bottom.
6. as a kind of sensor for grain oil water content detector of claim 1-5 as described in one of them, it is characterized in that: the normal open switch of described travel switch (4) is connected between metering circuit and trigger circuit, retractable electrode (3), urceolus (1) are electrically connected with metering circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320398.2A CN103399041B (en) | 2013-07-29 | 2013-07-29 | A kind of sensor for grain oil water content detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320398.2A CN103399041B (en) | 2013-07-29 | 2013-07-29 | A kind of sensor for grain oil water content detector |
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| Publication Number | Publication Date |
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| CN103399041A CN103399041A (en) | 2013-11-20 |
| CN103399041B true CN103399041B (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310320398.2A Active CN103399041B (en) | 2013-07-29 | 2013-07-29 | A kind of sensor for grain oil water content detector |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104833702B (en) * | 2015-05-14 | 2018-01-05 | 窦英明 | A kind of sensor for grain oil water content detector |
| CN106018495B (en) * | 2016-08-12 | 2018-10-19 | 张海娟 | The online moisture content tester of roller dryer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107290Y (en) * | 2007-08-30 | 2008-08-27 | 窦祥增 | Foodstuffs granule moisture test sensor |
| CN101334373A (en) * | 2008-08-07 | 2008-12-31 | 窦祥增 | Capacitance type foodstuffs moisture tester |
| CN203396736U (en) * | 2013-07-29 | 2014-01-15 | 窦英明 | Sensor for water detector of grains and oil |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633536A (en) * | 1979-08-27 | 1981-04-04 | Nomura Sangyo Kk | Moisture senser for pulverulent body |
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- 2013-07-29 CN CN201310320398.2A patent/CN103399041B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107290Y (en) * | 2007-08-30 | 2008-08-27 | 窦祥增 | Foodstuffs granule moisture test sensor |
| CN101334373A (en) * | 2008-08-07 | 2008-12-31 | 窦祥增 | Capacitance type foodstuffs moisture tester |
| CN203396736U (en) * | 2013-07-29 | 2014-01-15 | 窦英明 | Sensor for water detector of grains and oil |
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| CN103399041A (en) | 2013-11-20 |
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