CN103274141B - With the liquid container of liquid level sensor - Google Patents
With the liquid container of liquid level sensor Download PDFInfo
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- CN103274141B CN103274141B CN201310187319.5A CN201310187319A CN103274141B CN 103274141 B CN103274141 B CN 103274141B CN 201310187319 A CN201310187319 A CN 201310187319A CN 103274141 B CN103274141 B CN 103274141B
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Abstract
The embodiment of the present invention provides a kind of liquid container with liquid level sensor. Liquid container with liquid level sensor provided by the invention comprises: liquid level sensor and liquid container, liquid level sensor comprises lever and is arranged on the ball float on lever, and described liquid level sensor is fixed on the cover plate of described liquid container and described lever and ball float are all positioned at liquid container inside; Wherein, the primary importance of described cover plate has the first groove to liquid container outer projection, and/or the second place of described bottom of liquid container has the second groove to liquid container outer projection; Described primary importance is the position that described cover plate is relative with described ball float, and the described second place is the position that described bottom of liquid container is relative with described ball float, and described the first groove and described the second groove can hold described ball float. The accuracy of liquid level or/and dead band, lower end, is measured in the upper end of the embodiment of the present invention by eliminating liquid level sensor to improve liquid level sensor.
Description
Technical field
The embodiment of the present invention relates to sensor measurement technology, relates in particular to a kind of liquid with liquid level sensorBody container.
Background technology
Along with the raising of user to instrument measurement required precision, liquid level sensor has also had larger sending outExhibition.
Conventionally, liquid level sensor can comprise lever and be arranged on the ball float on this lever, this liquid level biographySensor is fixed on the cover plate of liquid container and lever and ball float are all positioned at liquid container inside. This ball floatCan change and fluctuate along lever with the liquid level in liquid container, thereby in sensing liquid containerLiquid level.
In above-mentioned prior art, liquid sensor in the time measuring, exist dead band, upper end and lower end deadDistrict, causes level gauging accuracy to reduce.
Summary of the invention
The embodiment of the present invention provides a kind of liquid container with liquid level sensor, to solve liquid level sensorMeasure dead band, upper end or/and in dead band, lower end accuracy reduce problem, can to realize liquid level sensorWith the liquid level in Measurement accuracy liquid container.
First aspect, the embodiment of the present invention provides a kind of liquid container with liquid level sensor, comprising:Liquid level sensor and liquid container, described liquid level sensor comprises lever and is arranged on floating on described leverBall, described liquid level sensor be fixed on the cover plate of described liquid container and described lever and described ball float equalBe positioned at liquid container inside;
Wherein, the primary importance of described cover plate has the first groove to described liquid container outer projection,And/or the second place of described bottom of liquid container has second recessed to described liquid container outer projectionGroove;
Described primary importance is the position that described cover plate is relative with described ball float, described in the described second place isThe position that bottom of liquid container is relative with described ball float, and described the first groove and described the second groove can holdReceive described ball float.
In the first possibility implementation of first aspect, the height of described the first groove projection is according to instituteStating the height in the dead band, upper end of liquid level sensor determines.
The implementation possible according to the first of first aspect or first aspect, in the possible reality of the secondIn existing mode, the height of described the second groove projection is according to the height in the dead band, lower end of described liquid level sensorDetermine.
According to any one of the first of first aspect, first aspect and the possible implementation of the second,In the third possible implementation, described the second groove be shaped as inverted trapezoidal.
According to the first of first aspect, first aspect to any one of the third possible implementation,In the 4th kind of possible implementation, described liquid container outside is also provided with a blowdown assembly, described rowDirty assembly is arranged on the bottom of described the second groove and is communicated with described the second groove.
According to the 4th of first aspect the kind of possible implementation, in the 5th kind of possible implementation,Between described the second groove and described blowdown assembly, be communicated with by a blowoff line.
According to any one of five kinds of possible implementations of the first to the of first aspect, first aspect,In the 6th kind of possible implementation, described liquid level sensor is fixed on described liquid by a mounting flangeOn the cover plate of body container.
The embodiment of the present invention is with the liquid container of liquid level sensor, by the cover plate setting at liquid containerTo the groove of this liquid container outer projection, or/and, arrange to this liquid container in the bottom of liquid containerThe groove of outer projection, the ball float of realizing liquid level sensor can be contained in the groove of this liquid level container cover plateOr/and in the groove of bottom, in order to eliminate upper end that liquid level sensor exists in the time measuring or/and lower end is deadDistrict, to improve the accuracy of liquid level sensor measurement liquid level.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, underAccompanying drawing in face description is some embodiments of the present invention, for those of ordinary skill in the art,Do not pay under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structure of a kind of liquid container with liquid level sensor that Fig. 1 provides for the embodiment of the present invention oneSchematic diagram;
The structure of a kind of liquid container with liquid level sensor that Fig. 2 provides for the embodiment of the present invention twoSchematic diagram;
The structure of a kind of liquid container with liquid level sensor that Fig. 3 provides for the embodiment of the present invention threeSchematic diagram;
The structure of a kind of liquid container with liquid level sensor that Fig. 4 provides for the embodiment of the present invention fourSchematic diagram;
The structure of a kind of liquid container with liquid level sensor that Fig. 5 provides for the embodiment of the present invention fiveSchematic diagram.
Detailed description of the invention
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with thisAccompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,Obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment. Based onEmbodiment in the present invention, those of ordinary skill in the art obtain not making under creative work prerequisiteThe every other embodiment obtaining, belongs to the scope of protection of the invention.
Embodiment mono-
The structure of a kind of liquid container with liquid level sensor that Fig. 1 provides for the embodiment of the present invention oneSchematic diagram. The liquid container 10 with liquid level sensor that the present embodiment provides comprises: liquid level sensor100 and liquid container 200, liquid level sensor 100 comprises lever 110 and is arranged on floating on lever 110Ball 120, liquid level sensor 100 is fixed on the cover plate 210 of liquid container 200 and lever 110 and floatingBall 120 is all positioned at liquid container 200 inside; Wherein, the primary importance 210a of cover plate 210 has to liquidThe first groove 211 of body container 200 outer projection, primary importance 210a is cover plate 210 and ball float 120Relative position, and the first groove 211 can hold ball float 120.
The liquid container 10 with liquid level sensor that the present embodiment provides, at the lid of liquid container 200The primary importance 210a of plate 210 is upper, has the first groove 211, and this first groove 211 is to liquid container200 outer projection, liquid level sensor 100 is fixed on the first recessed of liquid container 200 cover plates 210On groove 211, with a fixture 300 by liquid level sensor 100 the first groove 211 places with cover plate 210Fixing, in concrete enforcement, on fixture 300, be provided with and can wear for liquid level sensor 100 levers 110The through hole of crossing, the ball float 120 of liquid level sensor 100 can take out from one end of lever 110, will take outThe liquid level sensor 100 of ball float 120 passes fixture 300 with one end of lever 110, then by ball float 120Pass and be arranged on lever 110 from one end of lever 110, and in lever 110 one end, back-up ring 130 is set,In order to ensure the connectivity of ball float 120 and lever 110; By the lever of liquid level sensor 100 110 and floatingBall 120 is through the first groove 211 on liquid container 200 cover plates 210, so that lever 110 and ball float120 are all positioned at the inside of liquid container 200, correspondingly, and the limit of fixture 300 and the first groove 211Edge place is fixed; In the liquid container 10 with liquid level sensor shown in Fig. 1, primary importance 210a isThe position that cover plate 210 is relative with ball float 120, i.e. the upright projection weight of primary importance 210a and ball float 120Folded, and can hold ball float 120 in the first groove 211, so that ball float 120 is along with the rising of liquid levelWhile moving upward, the highest liquid level that can Measurement accuracy is the liquid level of liquid container 200 cover plate 210 inner sides,Now, in liquid container 200, be filled with solution and the ball float 120 part position higher than the highest liquid level line 200HRIn the first groove 211.
In the prior art, the ball float of liquid level sensor moves upward and touches liquid with the rising of liquid levelWhen the cover plate of container, just can not move upward with the rising of liquid level again, so the liquid level of prior art passesThere is dead band, upper end in sensor. The liquid container with liquid level sensor that the present embodiment provides, byOn the cover plate of liquid container, arrange to the groove of liquid container outer projection, and make the size of this groove passableHold the ball float of liquid level sensor, realize in the time that ball float moves upward with the rising of liquid level, this ball float existsPart on liquid level can be contained in the groove of liquid container cover plate, and then has eliminated liquid level sensorThe dead band, upper end existing in the time measuring, to improve the accuracy of liquid level sensor measurement liquid level.
Embodiment bis-
The structural representation of a kind of liquid container with liquid level sensor that Fig. 2 provides for the present embodiment twoFigure. The liquid container 10 with liquid level sensor that the present embodiment provides comprises: liquid level sensor 100With liquid container 200, liquid level sensor 100 comprises lever 110 and is arranged on the ball float on lever 110120, liquid level sensor 100 is fixed on the cover plate 210 of liquid container 200 and lever 110 and ball float120 are all positioned at liquid container 200 inside; Wherein, the second place 220a of liquid container 200 bottoms 220There is the second groove 221 to liquid container 200 outer projection; Primary importance 210a be cover plate 210 withThe position that ball float 120 is relative, second place 220a is liquid container 200 bottoms 220 and ball float 120 phasesRight position, and the second groove 221 can hold ball float 120.
The liquid container 10 with liquid level sensor that the present embodiment provides, in liquid container 200 bottoms220 second place 220a is upper, has the second groove 221, and this second groove 221 is to liquid container 200Outer projection, be different from Fig. 1, liquid level sensor 100 is fixed on liquid container 200 cover plates 210Primary importance 210a upper, liquid level sensor 100 is fixed on to the of cover plate 210 with a fixture 300One position 210a is upper, and this primary importance 210a is the through hole that a diameter is greater than ball float 120 diameters, phaseWith ground, on fixture 300, be provided with the through hole that can pass for liquid level sensor 100 levers 110, liquidThe ball float 120 of level sensor 100 can take out from one end of lever 110, will take out the liquid of ball float 120Level sensor 100 with one end of lever 110 through fixture 300, then by ball float 120 from lever 110One end through being arranged on lever 110, and in lever 110 one end, back-up ring 130 is set, in order to ensureThe connectivity of ball float 120 and lever 110; The lever of liquid level sensor 100 110 and ball float 120 are wornCross the primary importance 210a on liquid container 200 cover plates 210, so that lever 110 and all positions of ball float 120In the inside of liquid container 200, correspondingly, fixture 300 is fixed with the edge of primary importance 210a;In the liquid container 10 with liquid level sensor shown in Fig. 2, primary importance 210a is cover plate 210The position relative with ball float 120, second place 220a is liquid container 200 bottoms 220 and ball float 120Relative position, the upright projection of primary importance 210a, ball float 120 and second place 220a is overlapping,And can hold ball float 120 in the second groove 221, so that ball float 120 is transported downwards with the reduction of liquid levelWhen moving, minimum liquid level that can Measurement accuracy is the liquid level of 220 inner sides, liquid container 200 bottom, now,Can be considered and in liquid container 200, there is no solution and the ball float 120 part position lower than minimum liquid level line 200LRIn the second groove 221.
In the prior art, the ball float of liquid level sensor moves downward and touches liquid with the reduction of liquid level, just can not move downward with the reduction of liquid level again, so the liquid level of prior art passes when the bottom of containerThere is dead band, lower end in sensor. The liquid container with liquid level sensor that the present embodiment provides, byThe bottom of liquid container arranges to the groove of liquid container outer projection, and the size of this groove can be heldReceive the ball float of liquid level sensor, realize in the time that ball float moves downward with the reduction of liquid level, this ball float is at liquidPart under position can be contained in the groove of bottom of liquid container, and then has eliminated liquid level sensor and existThe dead band, lower end existing while measurement, to improve the accuracy of liquid level sensor measurement liquid level.
Embodiment tri-
The structural representation of a kind of liquid container with liquid level sensor that Fig. 3 provides for the present embodiment threeFigure. The liquid container 10 with liquid level sensor that the present embodiment provides comprises: liquid level sensor 100With liquid container 200, liquid level sensor 100 comprises lever 110 and is arranged on the ball float on lever 110120, liquid level sensor 100 is fixed on the cover plate 210 of liquid container 200 and lever 110 and ball float120 are all positioned at liquid container 200 inside; Wherein, the primary importance 210a of cover plate 210 has to liquidThe first groove 211 of container 200 outer projection, and the second place of liquid container 200 bottoms 220220a has the second groove 221 to liquid container 200 outer projection; Primary importance 210a is cover plate 210The position relative with ball float 120, second place 220a is liquid container 200 bottoms 220 and ball float 120Relative position, and the first groove 211 and the second groove 221 can hold ball float 120.
The liquid container 10 with liquid level sensor that the present embodiment provides, has the first groove 211 HesThe second groove 221, position and the structure of the first groove 211 in this first groove 211 and embodiment mono-Identical, this second groove 221 is identical with position and the structure of the second groove 221 in embodiment bis-, andThe fixed form of liquid level sensor 100 and this first groove 211 also can be with described in above-described embodiment oneFixed form is identical; Correspondingly, in the liquid container 10 with liquid level sensor shown in Fig. 3, theOne position 210a is the position that cover plate 210 is relative with ball float 120, and second place 220a is liquid container200 position relative with ball float 120, bottoms 220, i.e. primary importance 210a, ball float 120 and secondThe upright projection of putting 220a is overlapping, and all can hold ball float in the first groove 211 and the second groove 221120, so that ball float 120 is with the rising of liquid level or reduction and while moving up or down, can Measurement accuracyThe highest liquid level be the liquid level of liquid container 200 cover plate 210 inner sides, now, liquid container 200 internal memoriesFull solution and ball float 120 are arranged in the first groove 211 higher than the part of the highest liquid level line 200HR; CanThe minimum liquid level of Measurement accuracy is the liquid level of 220 inner sides, liquid container 200 bottom, now, can be considered liquidIn body container 200, do not have solution and ball float 120 to be positioned at lower than the part of minimum liquid level line 200LR second recessedIn groove 221.
In measurement, there is dead band, upper end and dead band, lower end in the liquid level sensor of prior art. The present embodiment instituteThe liquid container with liquid level sensor providing, by establish on the cover plate at liquid container and bottom simultaneouslyPut to the groove of liquid container outer projection, and make the size of those grooves can hold liquid level sensor thick stickThe ball float arranging on bar, realizes in the time that ball float moves up or down with the rising of liquid level or reduction, thisThe corresponding part of ball float can be contained in the groove of liquid container cover plate or bottom, and then has eliminated simultaneouslyThe dead band, upper end that liquid level sensor exists in the time measuring and dead band, lower end, so that liquid level sensor canLiquid level in Measurement accuracy liquid container.
Preferably, in the liquid container 10 with liquid level sensor that the present embodiment provides, the first grooveThe height of 211 projections is determined according to the height in the dead band, upper end of liquid level sensor 100.
Please refer to the liquid container with liquid level sensor shown in Fig. 3, the thick stick of liquid level sensor 100Bar 110 and ball float 120 are arranged in liquid container 200, and this ball float 120 is upwards transported with the rising of liquid levelMove while touching the cover plate 210 of liquid container 200, just can not move upward with the rising of liquid level again,So the highest liquid level that in prior art, liquid level sensor 100 can Measurement accuracy is that ball float 120 touches lidLiquid level when plate 210 in liquid container 200, the highest liquid level line 200HF as shown in Figure 2, thusKnown, dead band, upper end is the highest liquid level line 200HF between liquid container 200 cover plate 210 inner sidesRegion, the height in this dead band, upper end is determined higher than the height of the highest liquid level line 200HF by ball float 120. ThisThe effect of liquid container 10, the first grooves 211 with liquid level sensor described in embodiment is to eliminate liquidDead band, upper end when level sensor 100 is measured, that is to say, in liquid container 200, liquid level arrives cover plate210 inner sides, before the highest liquid level line 200HR measuring ball float 120 all can be with the rising of liquid level toUpper motion, therefore, on the basis of above-described embodiment, the first groove 211 need to hold ball float 120 heightIn the part of the highest liquid level line 200HR, and then the height of these the first groove 211 projections should be greater than ball float 120Higher than the height of the highest liquid level line 200HR, when specific implementation, can be according to liquid level sensor 100 upperThe height in end dead band is determined the height of these the first groove 211 projections.
Similarly, in the liquid container 10 with liquid level sensor that the present embodiment provides, the second grooveThe height of 221 projections is determined according to the height in the dead band, lower end of liquid level sensor 100.
Please refer to the liquid container with liquid level sensor shown in Fig. 3, the thick stick of liquid level sensor 100Bar 110 and ball float 120 are arranged in liquid container 200, and this ball float 120 is transported downwards with the reduction of liquid levelMove while touching the bottom of liquid container 200, just can not move downward with the reduction of liquid level again, soThe minimum liquid level that in prior art, liquid level sensor 100 can Measurement accuracy is that ball float 120 touches liquid and holdsLiquid level in liquid container 200 when device the 200 bottom, minimum liquid level line 200LF as shown in Figure 1,Hence one can see that, and dead band, lower end is minimum liquid level line 200LF between liquid container 200 base plates inner sidesRegion, the height in this dead band, lower end is determined lower than the height of minimum liquid level line 200LF by ball float 120. ThisThe effect of liquid container 10, the second grooves 221 with liquid level sensor described in embodiment is to eliminate liquidDead band, lower end when level sensor 100 is measured, that is to say, in liquid container 200, liquid level arrives base plateInner side, before the minimum liquid level line 200LR measuring, ball float 120 all can be transported downwards with the reduction of liquid levelMoving, therefore, on the basis of above-described embodiment, the second groove 221 need to hold ball float 120 lower thanThe part of low liquid level line 200LR, so the height of these the second groove 221 projections should to be greater than ball float 120 lowIn the height of minimum liquid level line 200LR, when specific implementation, can be according to the lower end of liquid level sensor 100The height in dead band is determined the height of these the second groove 221 projections.
The liquid container with liquid level sensor that the present embodiment provides, specifically according to liquid level sensorDead band, upper end is or/and the height in dead band, lower end determines the first groove or/and the height of the second groove, so that liquidThe liquid level of body container in described dead band, upper end of the prior art or/and in dead band, lower end time, liquid level sensorThe part of ball float can be contained in liquid container cover plate or/and in the groove of bottom, and according on above-mentionedEnd is the height of the groove of bottom or/and the height in dead band, lower end is determined liquid container cover plate, makes to floatBall can be contained in the groove of cover plate completely higher than the part of high liquid level line, or/and ball float is lower thanThe part of low liquid level line can be contained in the groove of bottom completely, in order to Measurement accuracy liquid containerLow or/and the highest liquid level.
Embodiment tetra-
The body knot of a kind of liquid container with liquid level sensor that Fig. 4 provides for the embodiment of the present invention fourStructure schematic diagram. In the liquid container 10 with liquid level sensor that the present embodiment provides, the second groove221 be shaped as inverted trapezoidal. Ball float 120 in liquid level sensor 100 is generally spherical, when liquid holdsWhen liquid level in device 200 is minimum liquid level line 200LR, ball float 120 is lower than minimum liquid level line 200LR'sPart is arranged in the second groove 221, and the widest part of ball float 120 is positioned at the top of the second groove 221, floatingThe narrowest place of ball 120 is positioned at the bottom of the second groove 221, therefore, can be by this second groove 221Shape is set to inverted trapezoidal, adapts with the shape of ball float 120. It should be noted that, Fig. 4 is with in realityExecute on the basis of example three and expand to example.
The liquid container with liquid level sensor that the present embodiment provides, according to liquid level sensor ball floatThe shape of the second groove is specifically set to inverted trapezoidal by shape, in the above-described embodiments, works as liquid level sensorWhen the minimum liquid level that ball float is measured is the liquid level of inner side at the bottom of liquid container, be considered as in liquid container, there is no solution,But in actual conditions, now in the second groove of liquid container, still have solution, that is to say, pass in liquid levelIn the measurement of sensor, still there is error, but due to the volume of this second groove and the total measurement (volume) of liquid containerCompare and can ignore, and compared with the volume in the dead band, lower end of the liquid level sensor of prior art, also canTo ignore. Therefore,, on the basis of above-described embodiment, the second groove that is set to inverted trapezoidal reducesThe volume of the second groove in liquid container, error when liquid level sensor is measured is near minimum, enters oneStep has improved the accuracy of liquid level sensor measurement liquid level.
Embodiment five
The structure of a kind of liquid container with liquid level sensor that Fig. 5 provides for the embodiment of the present invention fiveSchematic diagram. Liquid container 10 outsides with liquid level sensor that the present embodiment provides are also provided with a blowdownAssembly 230, this blowdown assembly 230 be arranged on the bottom of the second groove 221 and with this second groove 221Be communicated with. When specific implementation, between the second groove 221 and blowdown assembly 230, pass through a blowoff line 231Be communicated with. It should be noted that, Fig. 5 is to expand to example on the basis at embodiment tetra-.
The liquid level sensor of prior art, the bottom that needs the liquid container of measuring due to long-term silting,Impurity etc., make the ball float of liquid level sensor in the time moving downward with liquid level reduction, only can touch liquidThe alluvial material of container bottom, therefore, also there is blind area in the liquid level sensor of prior art in measurement,Please refer to the liquid container shown in Fig. 1, the height of this blind area is the height of bottom of liquid container alluvial materialDegree 200D, now, the height in the dead band, lower end of liquid level sensor be minimum liquid level line 200LF to blind area itBetween height, correspondingly, the minimum liquid level that liquid level sensor can Measurement accuracy is that gap height and lower end are deadDistrict's height sum, has reduced the accuracy of liquid level sensor in measurement further.
The liquid container with liquid level sensor that the present embodiment provides, on the basis of above-described embodiment,By a blowdown assembly is set in the bottom of the second groove of bottom of liquid container, can get rid of precipitation completelyAt the alluvial material of container bottom, avoid the generation of blind area in liquid level sensor measurement, further carryHigh liquid level sensor is measured the accuracy of liquid level.
Alternatively, on the basis of above-described embodiment, the present embodiment provide with liquid level sensorLiquid container 10, liquid level sensor 100 is fixed on the lid of liquid container 200 by a mounting flange 310On plate 210. It should be noted that, the present embodiment is to expand to example on the basis at embodiment five.
Please refer to Fig. 5, in the liquid container 10 with liquid level sensor that the present embodiment provides, installThe effect of flange 310 is identical with the effect of fixture in above-described embodiment 300, for by liquid level sensor100 is fixing with the first groove 211 of cover plate 210. Particularly, mounting flange 310 can comprise flange311 and flange seat 312, on flange 311, be provided with and can pass for liquid level sensor 100 levers 110Through hole, take off ball float 120 from one end of liquid level sensor 100 levers 110, will take out ball float 120Liquid level sensor 100 with one end of lever 110 through flange 311, then by ball float 120 from lever 110One end through being arranged on lever 110, and back-up rings 130 are installed in lever 110 one end and are floated in order to ensureingThe connectivity of ball 120 and lever 110; Correspondingly, on flange seat 312, be provided with and can supply liquid level sensorThe through hole that 100 ball float 120 passes, and the through hole of flange seat 312 and the first groove 211 edgesSize is identical or corresponding, so that flange seat 312 can be fixed on the edge of the first groove 211, conventionallyFlange 311 and flange seat 312 be the mounting structure of a whole installation, for example flange 311 and flange seat312 are concentrically ringed circular ring structure, and the outer ring diameter of two annulus can be identical, flange seat 312Interior ring diameter be greater than the interior ring diameter of flange 311, on the annulus of flange seat 312, arrange in order to installThrough hole, on the relevant position of flange 311, be also provided with in order to install rivet or through hole; To installThe lever 110 of the liquid level sensor 100 on flange 311 and ball float 120 cover through liquid container 200Flange seat 312 on plate 210 and the first groove 211, so that lever 110 and ball float 120 are all positioned at liquidThe inside of body container 200, now, can directly be fixed on flange seat 312 by rivet by flange 311Upper, or with rivet or screw through the through hole on flange 311 and flange seat 312 by mounting flange 310Fixing, the present embodiment does not limit the concrete structure of mounting flange 310.
In specific implementation, as shown in Figure 5, can by liquid level sensor 100 levers 110 with flange311 the fixing part 111 of through hole is set to helicitic texture, and the through hole of flange 311 is set to phaseThe nut structure of answering, therefore can make the lever 110 of liquid level sensor 100 and being connected more of flange 311Firmly, liquid level sensor 100 is positioned at six prisms 112 that flange 311 tops arrange, can be in order to when installationWith instrument, for example spanner blocks six prisms 112, can be in the lever of liquid level sensor 100 110 and methodIn blue 311 fixing processes, provide torsion, be convenient to install.
The liquid container 10 with liquid level sensor that the above embodiment of the present invention provides, in Fig. 1～5 allLiquid level sensor 100 and the part of liquid container 200 for measuring are only shown, not shown this liquid container200 entirety, the embodiment of the present invention is the volume of confined liquid container 200 not; And liquid level sensor 100Lever 110 length that is positioned at liquid container 200 determine according to the height of this liquid container 200, withMake lever 110 bottoms of this liquid level sensor 100 touch the minimum point of liquid container 200, in order to protectCard ball float 120 has maximum scope of activities and makes liquid level sensor 100 have corresponding measurement category;In liquid level sensor 100, the position of ball float 120 is determined by the height of liquid level in liquid container 200, conventionally, the latter half of ball float 120 is arranged in liquid solution, and the first half is positioned at outside liquid solution, liquidLevel sensor 100 is the position on lever 110 according to ball float 120, can transmit by induced signal timeBetween and the parameter such as distance obtain concrete liquid level.
On the basis of above-described embodiment, the liquid with liquid level sensor that the embodiment of the present invention providesContainer 10, as shown in Figure 5, liquid level sensor 100 also comprises signal output apparatus 140, lever 110The other end connect this signal output apparatus 140, liquid level sensor 100 installs with liquid container 200Cheng Hou, the lever 110 of liquid level sensor 100 and ball float 120 are all positioned at the inside of liquid container 200,The signal output apparatus 140 of liquid level sensor 100 is positioned at the outside of liquid container 200, is specifically installingThe top of flange 310, this signal output apparatus 140 comprises processing of circuit module, and by this signalOutput device 140 use one metal joints 141 are connected with display unit, for by ball float 120 and lever 110The liquid level signal recording is converted into electric current, exports and shows to offer tool in user's liquid container 200The liquid level information of body.
Finally it should be noted that: above each embodiment is only in order to technical scheme of the present invention to be described, but not rightIts restriction; Although the present invention is had been described in detail with reference to aforementioned each embodiment, this area commonTechnical staff is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified,Or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement, andDo not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. with a liquid container for liquid level sensor, it is characterized in that, comprising: liquid level sensor andLiquid container, described liquid level sensor comprises lever and is arranged on the ball float on described lever, described liquid levelSensor is fixed on the cover plate of described liquid container and described lever and described ball float are all positioned at liquid containerInner;
Wherein, the primary importance of described cover plate has the first groove to described liquid container outer projection,With, the second place of described bottom of liquid container has the second groove to described liquid container outer projection;
Described primary importance is the position that described cover plate is relative with described ball float, described in the described second place isThe position that bottom of liquid container is relative with described ball float, and described the first groove and described the second groove can holdReceive described ball float.
2. liquid container according to claim 1, is characterized in that, described the first groove projectionHeight is determined according to the height in the dead band, upper end of described liquid level sensor.
3. liquid container according to claim 1, is characterized in that, described the second groove projectionHeight is determined according to the height in the dead band, lower end of described liquid level sensor.
4. liquid container according to claim 3, is characterized in that, the shape of described the second grooveFor inverted trapezoidal.
5. according to the liquid container described in any one in claim 1～4, it is characterized in that described liquidExternal container is also provided with a blowdown assembly, described blowdown assembly be arranged on described the second groove bottom andBe communicated with described the second groove.
6. liquid container according to claim 5, is characterized in that, described the second groove with described inBetween blowdown assembly, be communicated with by a blowoff line.
7. liquid container according to claim 1, is characterized in that, described liquid level sensor passes throughOne mounting flange is fixed on the cover plate of described liquid container.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310187319.5A CN103274141B (en) | 2013-05-20 | 2013-05-20 | With the liquid container of liquid level sensor |
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| CN201310187319.5A CN103274141B (en) | 2013-05-20 | 2013-05-20 | With the liquid container of liquid level sensor |
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| CN103274141A CN103274141A (en) | 2013-09-04 |
| CN103274141B true CN103274141B (en) | 2016-05-18 |
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| CN106082096B (en) * | 2016-06-17 | 2018-07-27 | 北京首农畜牧发展有限公司 | Automatic dress milk device and milk vehicle |
| CN106097866A (en) * | 2016-06-21 | 2016-11-09 | 中化兴中石油转运（舟山）有限公司 | Portable fire-fighting target practice actual training device |
| EP3336781A1 (en) * | 2016-12-13 | 2018-06-20 | Sigma-Aldrich International GmbH | Electronics assembly for wireless transmission of at least one status information |
| CN112097859A (en) * | 2020-09-22 | 2020-12-18 | 江西艾斯欧匹精密智造科技有限公司 | Corrosion-resistant liquid level sensor |
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| CN103274141A (en) | 2013-09-04 |
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