CN108414056B - Be applied to liquid level float and non-contact methyl alcohol level sensor of methyl alcohol - Google Patents
Be applied to liquid level float and non-contact methyl alcohol level sensor of methyl alcohol Download PDFInfo
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- CN108414056B CN108414056B CN201810444519.7A CN201810444519A CN108414056B CN 108414056 B CN108414056 B CN 108414056B CN 201810444519 A CN201810444519 A CN 201810444519A CN 108414056 B CN108414056 B CN 108414056B
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- filter screen
- liquid level
- methanol
- parts
- alcohol
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 147
- 239000007788 liquid Substances 0.000 title claims abstract description 53
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000011241 protective layer Substances 0.000 claims abstract description 27
- 239000002131 composite material Substances 0.000 claims abstract description 22
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 15
- 239000010935 stainless steel Substances 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- 230000005764 inhibitory process Effects 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 9
- 239000002828 fuel tank Substances 0.000 claims description 8
- ASCFNMCAHFUBCO-UHFFFAOYSA-N 2-phosphoglycolic acid Chemical compound OC(=O)COP(O)(O)=O ASCFNMCAHFUBCO-UHFFFAOYSA-N 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 5
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 5
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- 230000003078 antioxidant effect Effects 0.000 claims description 5
- 229910052599 brucite Inorganic materials 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 239000004014 plasticizer Substances 0.000 claims description 5
- 229920000515 polycarbonate Polymers 0.000 claims description 5
- 239000004417 polycarbonate Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 5
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/76—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats characterised by the construction of the float
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/56—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/62—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using magnetically actuated indicating means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a liquid level floater applied to methanol and a non-contact methanol liquid level sensor, wherein the liquid level floater comprises a floater body and a stainless steel protective layer or a composite material protective layer covered on the surface of the floater body; the methanol level sensor comprises the liquid level floater arranged on an information pipe with a traditional structure and is improved. The two liquid level floats introduced by the invention have better corrosion resistance and permeation resistance. In addition, when the liquid level sensor is assembled, the integrated functions of sucking back methanol, regulating the internal and external air pressure of the tank, filtering methanol liquid and indicating the liquid level are realized, the applicability of the product is enhanced, the opening of a sucking back alcohol pipeline on the oil tank is reduced, and the installation procedure is simplified; and introduced the filter screen subassembly of two kinds of different structures, can both carry out effective filtration to methyl alcohol when inhaling back alcohol, the filter screen subassembly adopts screw threaded connection or buckle to connect, can regularly pull down the filter screen and wash, and it is also comparatively convenient to change.
Description
Technical Field
The invention relates to the technical field of liquid level sensing, in particular to a liquid level floater applied to methanol and a non-contact methanol liquid level sensor, which are suitable for vehicles using methanol as fuel.
Background
At present, the main fuel of the vehicle is mainly gasoline and diesel oil, and a fuel sensor is correspondingly arranged on the fuel tank to provide fuel for the vehicle, indicate the quantity of the fuel in the fuel tank and regulate the balance of the internal pressure and the external pressure of the fuel tank. However, a vehicle using methanol as fuel is now presented, and the methanol is corrosive, so that the conventional fuel sensor is not suitable, and the material of the product needs to be changed to meet the requirement.
In addition, the floats used in the traditional liquid level sensor are directly soaked in liquid and float on the surface through self buoyancy. Because the float generally needs to have higher precision, if the float is internally provided with corresponding contact for a long time, the service life of the float is shortened, and corrosion of the float affects the measurement precision.
Disclosure of Invention
The invention aims to provide a liquid level floater applied to methanol and a non-contact methanol liquid level sensor, which solve the defect that the liquid level floater in the traditional liquid level sensor is easy to corrode, so that the measurement accuracy is reduced.
The technical problems to be solved by the invention are realized by adopting the following technical scheme:
the utility model provides a be applied to liquid level float of methyl alcohol, liquid level float includes the float body to and stainless steel protective layer or combined material protective layer at float body surface cover, the float body is hollow cylinder, stainless steel protective layer or combined material protective layer parcel is at the cylinder outer wall, cylinder inner wall and the cylinder upper and lower bottom surface of float body.
The thickness of the stainless steel protective layer is 0.1mm-2mm, and the thickness of the composite material protective layer is 0.5mm-9mm.
The further improvement is that the composite material protective layer is prepared from 40-60 parts by weight of nitrile rubber, 10-12 parts by weight of epoxy resin, 5-8 parts by weight of polycarbonate, 1-5 parts by weight of talcum powder, 4-6 parts by weight of urea-formaldehyde resin, 4-7 parts by weight of brucite powder, 1-3 parts by weight of antioxidant, 12-15 parts by weight of inhibition composition and 10-15 parts by weight of corrosion-resistant composition material.
The further improvement is that the inhibition composition consists of 14-30% of zinc phosphate, 40-70% of phosphono-glycolic acid and 14-35% of organic phosphoric acid by weight percent.
The further improvement is that the corrosion-resistant composition consists of 65-85% of PVC paste resin, 5-20% of calcium carbonate and 5-20% of plasticizer.
The utility model provides a non-contact methyl alcohol level sensor, includes the ring flange of fixing on the methyl alcohol fuel tank to and install the return alcohol pipe on the ring flange, inhale alcohol pipe and information tube, the lower extreme of return alcohol pipe, inhale alcohol pipe and information tube is fixed through the bottom plate, and opens on inhaling the lower extreme pipe wall of alcohol pipe and have a plurality of through-hole, has the filter screen subassembly at the through-hole overcoat, is equipped with above-mentioned liquid level float on the information tube.
The further improvement lies in, the filter screen subassembly is including the cover of cover on inhaling the alcohol pipe to and the filter screen body of being connected with the filter screen cover, and set up the filter screen in the filter screen body, the filter screen body tail end is equipped with set screw, set screw pass behind the filter screen body with inhale alcohol pipe terminal threaded connection.
The further improvement lies in, the filter screen subassembly is including establishing the cassette on the bottom plate to and the filter screen body of being connected through the buckle with the cassette, and set up the filter screen in the filter screen body, the filter screen body tail end is connected with the filter screen lid through the buckle, the filter screen lid inboard seals on inhaling the alcohol pipe end.
The further improvement is that a sealing ring is arranged at the position where the tail end of the alcohol suction pipe is connected with the filter screen cover.
The further improvement is that a sealing gasket is arranged at the bottom end of the flange plate.
The beneficial effects of the invention are as follows: the two liquid level float structures are introduced, the outer surface of the liquid level float is respectively covered with the stainless steel protective layer and the composite material protective layer, and the stainless steel protective layer and the composite material protective layer have good anti-corrosion and anti-seepage performances, so that the liquid level float structure can be effectively protected from being damaged even if the liquid level float structure is soaked in methanol fuel of a vehicle for a long time, and the precision of the liquid level float structure is ensured for a long time.
In addition, when the liquid level sensor is assembled, the bottom plate, the return/suction alcohol pipe, the liquid level floater, the filter screen component and the stainless steel air tap are integrated into a whole to form an integrated structure, so that the integrated functions of sucking back methanol, regulating the internal and external air pressure of the tank, filtering the methanol liquid and indicating the liquid level are realized, the applicability of the product is enhanced, the opening of the return alcohol pipe on the oil tank is reduced, and the installation procedure is simplified; the whole methanol liquid level sensor is precisely packaged by argon arc welding, so that the problems of leakage and the like in a methanol liquid environment are solved; and a bottom plate is added between the back/suction alcohol pipe and the information pipe at the bottom, so that the anti-vibration device has the characteristics of good vibration resistance, stability and sealing property.
Wherein, the filter screen subassembly of two kinds of different structures that end set up at the alcohol suction pipe, homoenergetic is effective to filter methyl alcohol when inhaling back alcohol, and filter screen subassembly adopts screw threaded connection or buckle to connect, is detachable connection, can regularly pull down the filter screen and wash, and it is also comparatively convenient to change.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of a fluid level float;
FIG. 2 is a cross-sectional view of another embodiment of a fluid level float;
FIG. 3 is a block diagram of one embodiment of a non-contact methanol level sensor;
FIG. 4 is an exploded view of the screen assembly of FIG. 3;
FIG. 5 is a block diagram of another embodiment of a non-contact methanol level sensor;
FIG. 6 is an exploded view of a portion of the screen assembly of FIG. 5;
the device comprises a 1-floater body, a 2-stainless steel protective layer, a 3-composite protective layer, a 4-flange, a 5-alcohol return pipe, a 6-alcohol suction pipe, a 7-information pipe, an 8-bottom plate, a 9-through hole, a 10-filter screen assembly, a 100-filter screen cover, a 101-filter screen body, a 102-filter screen, 103-fixing screws, a 104-clamping seat, a 105-filter screen body, a 106-filter screen, a 107-filter screen cover, a 108-sealing ring, an 11-sealing gasket, a 12-air tap, a 13-sealing element assembly and a 14-wire passing plug.
Detailed Description
The invention will be further described with reference to specific drawings and examples in order to make the technical means, the creation characteristics, the achievement of the objects and the effects of the invention easy to understand.
As shown in fig. 1, an embodiment structure of a liquid level float applied to methanol, the liquid level float comprises a float body 1 and a stainless steel protective layer 2 covered on the surface of the float body 1, wherein the stainless steel protective layer 2 has a thickness of 1mm, the float body 1 is hollow and cylindrical, and the stainless steel protective layer 2 is wrapped on the outer wall, the inner wall and the upper and lower bottoms of the cylinder of the float body 1. The stainless steel protective layer 2 has good corrosion resistance, and the problem of high noise exists in the experimental process, so that a layer of thermoplastic pipe can be wrapped on the surface of the information pipe of the liquid level sensor, namely the problem is solved.
As shown in fig. 2, another embodiment structure of a liquid level float is shown, the liquid level float comprises a float body 1 and a composite material protection layer 3 covered on the surface of the float body 1, wherein the thickness of the composite material protection layer 3 is 5mm, and the composite material protection layer 3 is wrapped on the cylindrical outer wall, the cylindrical inner wall and the cylindrical upper and lower bottom surfaces of the float body 1.
The following three composite material protective layers 3 are prepared according to the material proportion.
Example 1: the composite material protective layer 3 is prepared from 40 parts of nitrile rubber, 10 parts of epoxy resin, 5 parts of polycarbonate, 1 part of talcum powder, 4 parts of urea-formaldehyde resin, 4 parts of brucite powder, 1 part of antioxidant, 12 parts of inhibition composition and 10 parts of corrosion-resistant composition materials according to parts by weight. Wherein the inhibition composition consists of 14% zinc phosphate, 70% phosphono-glycolic acid and 16% organic phosphoric acid in percentage by weight; the corrosion-resistant composition consists of 65% of PVC paste resin, 15% of calcium carbonate and 20% of plasticizer.
Example 2: the composite material protective layer 3 is prepared from 50 parts of nitrile rubber, 11 parts of epoxy resin, 6 parts of polycarbonate, 3 parts of talcum powder, 5 parts of urea-formaldehyde resin, 6 parts of brucite powder, 2 parts of antioxidant, 14 parts of inhibition composition and 13 parts of corrosion-resistant composition materials in parts by weight. Wherein the inhibition composition consists of 30% zinc phosphate, 56% phosphono-glycolic acid and 14% organic phosphoric acid in percentage by weight; the corrosion-resistant composition consists of 85% of PVC paste resin, 5% of calcium carbonate and 10% of plasticizer.
Example 3: the composite material protective layer 3 is prepared from 60 parts of nitrile rubber, 12 parts of epoxy resin, 8 parts of polycarbonate, 5 parts of talcum powder, 6 parts of urea-formaldehyde resin, 7 parts of brucite powder, 3 parts of antioxidant, 15 parts of inhibition composition and 15 parts of corrosion-resistant composition materials according to parts by weight. Wherein the inhibition composition consists of 25% zinc phosphate, 40% phosphono-glycolic acid and 35% organic phosphoric acid in percentage by weight; the corrosion resistant composition consisted of 75% pvc paste resin, 20% calcium carbonate and 5% plasticizer.
The outer protective layers prepared in the above examples 1, 2 and 3 are respectively covered outside the stainless steel membrane layer of the float body, the prepared liquid level float is soaked in methanol solution to perform corresponding performance detection, and the following data are obtained by performing grade judgment according to European Union EN388 standard and European Union EN374-1 standard:
as can be seen from the table, each example has excellent corrosion resistance and permeation resistance in methanol solution, and has better tensile drag resistance, thus ensuring the service life and measurement stability and accuracy.
The non-contact methanol liquid level sensor is assembled by using any one of the liquid level floats, and two structures of the non-contact methanol liquid level sensor are described:
referring to fig. 3 and 4, an embodiment structure of a non-contact methanol liquid level sensor is shown, which comprises a flange plate 4 fixed on a methanol fuel tank, and an alcohol return pipe 5, an alcohol suction pipe 6 and an information pipe 7 which are installed on the flange plate 4, wherein the lower ends of the alcohol return pipe 5, the alcohol suction pipe 6 and the information pipe 7 are fixed through a bottom plate 8, a plurality of through holes 9 are formed in the pipe wall at the lower end of the alcohol suction pipe 6, a filter screen assembly 10 is sleeved outside the through holes 9, and the liquid level floater is arranged on the information pipe 7. In addition, still include air cock 12, sealing member subassembly 13, the line stopper 14 that set up on ring flange 4, the circuit is through the line stopper 14 intercommunication to inside the information tube 7, and not with liquid level float direct contact, detect the position information of liquid level float (for prior art, here not described in detail) through magnetic field induction principle, and then acquire methyl alcohol liquid level value information, air cock 12 realizes adjusting the inside and outside atmospheric pressure of methyl alcohol fuel tank. The bottom of the flange 4 is provided with a sealing gasket 11, so that the tightness of the connection between the flange 4 and the methanol fuel tank is improved.
In this embodiment, the filter screen assembly 10 includes a filter screen cover 100 sleeved on the alcohol suction tube 6, a filter screen body 101 connected with the filter screen cover 100, and a filter screen 102 disposed in the filter screen body 101, where a fixing screw 103 is disposed at the tail end of the filter screen body 101, and the fixing screw 103 passes through the filter screen body 101 and is in threaded connection with the tail end of the alcohol suction tube 6.
During installation, the filter screen cover 100 is sleeved at the front end of the filter screen body 101, the filter screen 102 in the filter screen body 101 is arranged, then the whole assembly is sleeved on the alcohol suction pipe 6, a section at the tail end penetrates through the assembly and abuts against the tail end of the filter screen body 101, and finally the end of the alcohol suction pipe 6 is connected with the tail end of the alcohol suction pipe in a threaded mode after penetrating through the filter screen body 101 by the fixing screw 103. When the filter screen 102 needs to be cleaned and replaced in the later period, the whole filter screen assembly 10 can be detached, and convenience and rapidness are realized.
Referring to fig. 5 and 6, there is shown another embodiment of a non-contact methanol level sensor, which is similar in its entirety to the above embodiment except that:
in this embodiment, the filter screen assembly 10 includes a clamping seat 104 disposed on the bottom plate 8, a filter screen body 105 connected with the clamping seat 104 through a buckle, and a filter screen 106 disposed in the filter screen body 105, where the tail end of the filter screen body 105 is connected with a filter screen cover 107 through a buckle, and the inner side of the filter screen cover 107 is sealed on the end of the alcohol suction tube 6. The clamping seat 104 may be integrally formed with the bottom plate 8 and perpendicular to each other, so that the alcohol suction pipe 6 passes through the clamping seat 104 after being bent. The clamping seat 104 is provided with a plurality of clamping holes, the end of the filter screen body 105 is provided with corresponding chamfer buckles, and the filter screen body 105 is directly clamped on the clamping seat 104 during installation; the filter screen cover 107 and the filter screen body 105 are also in the same fastening connection mode, and the tail end of the alcohol suction pipe 6 is embedded in a corresponding groove (not shown in the figure) on the inner side of the filter screen cover 107 to form airtight connection, and a sealing ring 108 is arranged at the position where the tail end of the alcohol suction pipe 6 is connected with the filter screen cover 107, so that the airtight performance is further improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A liquid level float for methanol, characterized in that: the liquid level float comprises a float body (1) and a stainless steel protection layer (2) or a composite material protection layer (3) covered on the surface of the float body (1), wherein the float body (1) is hollow and cylindrical, and the stainless steel protection layer (2) or the composite material protection layer (3) is wrapped on the outer wall, the inner wall and the upper and lower bottoms of the cylinder of the float body (1);
the composite material protective layer (3) is prepared from 40-60 parts by weight of nitrile rubber, 10-12 parts by weight of epoxy resin, 5-8 parts by weight of polycarbonate, 1-5 parts by weight of talcum powder, 4-6 parts by weight of urea-formaldehyde resin, 4-7 parts by weight of brucite powder, 1-3 parts by weight of antioxidant, 12-15 parts by weight of inhibition composition and 10-15 parts by weight of corrosion-resistant composition material.
2. A liquid level float for methanol according to claim 1, wherein: the thickness of the stainless steel protective layer (2) is 0.1mm-2mm, and the thickness of the composite material protective layer (3) is 0.5mm-9mm.
3. A liquid level float for methanol according to claim 1, wherein: the inhibition composition consists of 14-30% of zinc phosphate, 40-70% of phosphono-glycolic acid and 14-35% of organic phosphoric acid in percentage by weight.
4. A liquid level float for methanol according to claim 1, wherein: the corrosion-resistant composition consists of 65-85% of PVC paste resin, 5-20% of calcium carbonate and 5-20% of plasticizer.
5. A non-contact methanol level sensor, characterized in that: including fixing ring flange (4) on the methanol fuel tank to and install return alcohol pipe (5), inhale alcohol pipe (6) and information pipe (7) on ring flange (4), return alcohol pipe (5), inhale alcohol pipe (6) and information pipe (7)'s lower extreme is fixed through bottom plate (8), and opens on inhaling the lower extreme pipe wall of alcohol pipe (6) has a plurality of through-hole (9), has filter screen subassembly (10) at through-hole (9) overcoat, is equipped with any one of claims 1-4 liquid level float on information pipe (7).
6. A non-contact methanol level sensor as in claim 5 wherein: the filter screen assembly (10) comprises a filter screen cover (100) sleeved on the alcohol suction pipe (6), a filter screen body (101) connected with the filter screen cover (100), and a filter screen (102) arranged in the filter screen body (101), wherein a fixing screw (103) is arranged at the tail end of the filter screen body (101), and the fixing screw (103) penetrates through the filter screen body (101) and is in threaded connection with the tail end of the alcohol suction pipe (6).
7. A non-contact methanol level sensor as in claim 5 wherein: the filter screen assembly (10) comprises a clamping seat (104) arranged on the bottom plate (8), a filter screen body (105) connected with the clamping seat (104) through a buckle, and a filter screen (106) arranged in the filter screen body (105), wherein the tail end of the filter screen body (105) is connected with a filter screen cover (107) through the buckle, and the inner side of the filter screen cover (107) is sealed on the tail end of the alcohol suction pipe (6).
8. A non-contact methanol level sensor as in claim 7 wherein: a sealing ring (108) is arranged at the position where the tail end of the alcohol suction pipe (6) is connected with the filter screen cover (107).
9. A non-contact methanol level sensor as in claim 5 wherein: the bottom end of the flange plate (4) is provided with a sealing gasket (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810444519.7A CN108414056B (en) | 2018-05-10 | 2018-05-10 | Be applied to liquid level float and non-contact methyl alcohol level sensor of methyl alcohol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810444519.7A CN108414056B (en) | 2018-05-10 | 2018-05-10 | Be applied to liquid level float and non-contact methyl alcohol level sensor of methyl alcohol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108414056A CN108414056A (en) | 2018-08-17 |
| CN108414056B true CN108414056B (en) | 2024-01-12 |
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| CN201810444519.7A Active CN108414056B (en) | 2018-05-10 | 2018-05-10 | Be applied to liquid level float and non-contact methyl alcohol level sensor of methyl alcohol |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109203982B (en) * | 2018-10-09 | 2023-09-08 | 合肥邦立电子股份有限公司 | Liquid level sensor with buffer tray |
| CN111377056A (en) * | 2018-12-29 | 2020-07-07 | 广州极飞科技有限公司 | Intelligence medical kit subassembly and plant protection machinery |
| CN112683370A (en) * | 2020-12-31 | 2021-04-20 | 南昌工控电装有限公司 | High-temperature-resistant engine oil floater and preparation method thereof |
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