CN208366430U - A kind of liquid level float and contactless methanol liquid level sensor applied to methanol - Google Patents
A kind of liquid level float and contactless methanol liquid level sensor applied to methanol Download PDFInfo
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- CN208366430U CN208366430U CN201820698516.1U CN201820698516U CN208366430U CN 208366430 U CN208366430 U CN 208366430U CN 201820698516 U CN201820698516 U CN 201820698516U CN 208366430 U CN208366430 U CN 208366430U
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Abstract
The utility model discloses a kind of liquid level float applied to methanol and contactless methanol liquid level sensors, which includes float body, and in the stainless protection layer or composite material protective layer of the covering of float body surface；The methanol liquid level sensor includes being equipped with above-mentioned liquid level float on the message tube of traditional structure and being improved.Two kinds of liquid level floats of the utility model introduction all have preferable anticorrosion and anti-permeability.In addition, realizing the integrated functionality for having and sucking back methanol, regulating box inner and outer air pressure, filtering methanol solution, indicate liquid level when being assembled into liquid level sensor, enhancing the applicability of product, reduce the aperture for sucking back alcohol pipeline on fuel tank, simplify installation procedure；And the net-filter assembly of two kinds of different structures is described, methanol can effectively be filtered when sucking back alcohol, net-filter assembly is connected or snapped connection using screw thread, can periodically be removed filter screen and be cleaned, and replacement is got up also more convenient.
Description
Technical field
The utility model relates to level sensing technical fields, and in particular to a kind of liquid level float applied to methanol and non-connect
Touch methanol liquid level sensor, suitable for using methanol as the vehicle of fuel.
Background technique
The main fuel of vehicle is still based on gasoline and diesel oil at present, corresponding to have fuel sensor, is mounted on
On fuel tank, vehicle is given to provide fuel, instruction fuel tank fuel number, and regulating oil tank internal and external pressure balance.But go out now
Show a kind of using methanol as the vehicle of fuel, methanol has corrosivity, therefore traditional fuel sensor and is not suitable for, and needs to change
The material of product is met the requirements.
In addition, the float that traditional liquid level sensor uses is to be floated using being immersed directly in liquid by natural buoyancy
On surface.Since float has generally required higher accuracy, if being internally provided with corresponding Long Term Contact in this way, can also contract
The service life of short float, lead to its corrosion impact measurement accuracy.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of liquid level floats applied to methanol and non-contact
Formula methanol liquid level sensor, which solve liquid level floats in traditional liquid level sensor to be easy to be corroded, and measurement accuracy is caused to decline
Defect.
Technical problem to be solved in the utility model is realized using following technical scheme:
A kind of liquid level float applied to methanol, the liquid level float includes float body, and on float body surface
The stainless protection layer or composite material protective layer of covering, the float body are in hollow cylinder, the stainless protection layer
Or composite material protective layer is wrapped in bottom surface in the cylindrical outer wall, cylindrical inner wall and cylinder of float body.
Further improvement lies in that the stainless protection layer with a thickness of 0.1mm-2mm, the composite material protective layer
With a thickness of 0.5mm-9mm.
Further improvement lies in that the composite material protective layer is in parts by weight by 40-60 parts of nitrile rubbers, 10-12 parts
Epoxy resin, 5-8 part polycarbonate, 1-5 parts of talcum powder, 4-6 parts of Lauxites, 4-7 parts of brucite powders, 1-3 parts of antioxidant,
12-15 parts of inhibition combination agents, 10-15 parts of corrosion-resistant combination agent materials are made.
Further improvement lies in that the inhibition combination agent is respectively 14-30% trbasic zinc phosphate, 40-70% by weight percent
Phosphono hydroxyacetic acid and 14-35% organic phosphoric acid composition.
Further improvement lies in that the corrosion-resistant combination agent by 65%-85%PVC paste resin, 5-20% calcium carbonate and
5-20% plasticizer composition.
A kind of contactless methanol liquid level sensor, including the ring flange being fixed on methanol fuel oil case, and is mounted on
Returning alcohol pipe, inhaling alcohol pipe and message tube on ring flange, the lower end of described time alcohol pipe, suction alcohol pipe and message tube is fixed by bottom plate,
And several through-holes are provided on the lower end tube wall for inhaling alcohol pipe, it is cased with net-filter assembly outside through-hole, is equipped on message tube above-mentioned
Liquid level float.
Further improvement lies in that the net-filter assembly includes covering inhaling the filter cover on alcohol pipe, and connect with filter cover
Strainer body, and setting, in the intracorporal filter screen of strainer, the strainer body tail end is equipped with fixing screws, and the fixing screws are worn
It is threadedly coupled after filtering dictyosome with suction alcohol pipe end.
Further improvement lies in that the net-filter assembly includes the deck being located on bottom plate, and connected with deck by buckle
The strainer body connect, and be arranged in the intracorporal filter screen of strainer, the strainer body tail end has been connected by a snap filter cover, described
Filter cover inner seal is on inhaling alcohol pipe end.
Further improvement lies in that described inhale at the position that alcohol pipe end is connect with filter cover has sealing ring.
Further improvement lies in that the bottom end of the ring flange is equipped with gasket.
The beneficial effects of the utility model are: the two kinds of liquid level Floater Structures introduced, cover in liquid level float outer surface respectively
Lid stainless protection layer and composite material protective layer both have preferable anticorrosion and anti-permeability, even if long-term leaching
Bubble in vehicle methanol fuel also can effective protection liquid level Floater Structure it is not damaged, guarantee its accuracy for a long time.
In addition, when being assembled into liquid level sensor, by by bottom plate, return/inhale alcohol pipe, liquid level float, net-filter assembly, stainless steel
The integrated combination of gas nozzle, formed integral structure, realize have suck back methanol, regulating box inner and outer air pressure, filtering methanol solution,
The integrated functionality for indicating liquid level, enhances the applicability of product, reduces the aperture for sucking back alcohol pipeline on fuel tank, simplify installation
Program；Methanol liquid level sensor integrally uses argon arc welding precision to encapsulate, and solves the problems such as leaking under methanol liquid environment；And return/
It inhales and increases bottom plate in bottom between alcohol pipe and message tube, have the characteristics that good vibration resistance, stability, leakproofness.
It wherein, can be when sucking back alcohol to methanol in the net-filter assembly of two kinds of different structures of the end setting for inhaling alcohol pipe
It is effectively filtered, net-filter assembly is connected or snapped connection using screw thread, is to be detachably connected, can periodically be removed filtering
Net is cleaned, and replacement is got up also more convenient.
Detailed description of the invention
Fig. 1 is a kind of example structure sectional view of liquid level float；
Fig. 2 is another example structure sectional view of liquid level float；
Fig. 3 is a kind of example structure figure of contactless methanol liquid level sensor；
Fig. 4 is the exploded view of net-filter assembly in Fig. 3；
Fig. 5 is another example structure figure of contactless methanol liquid level sensor；
Fig. 6 is the exploded view of net-filter assembly part in Fig. 5；
Wherein, 1- float body, 2- stainless protection layer, 3- composite material protective layer, 4- ring flange, 5- return alcohol pipe, 6-
Suction alcohol pipe, 7- message tube, 8- bottom plate, 9- through-hole, 10- net-filter assembly, 100- filter cover, 101- strainer body, 102- filter screen,
103- fixing screws, 104- deck, 105- strainer body, 106- filter screen, 107- filter cover, 108- sealing ring, 11- gasket,
12- gas nozzle, 13- seal assembly, 14- cross line plug.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combination is specifically illustrating and embodiment, and the utility model is further described.
As shown in Figure 1, a kind of example structure of the liquid level float applied to methanol, liquid level float includes float body
1, and 1 surface of float body covering stainless protection layer 2, stainless protection layer 2 with a thickness of 1mm, float body 1 is in
Hollow cylinder, stainless protection layer 2 are wrapped in bottom surface in the cylindrical outer wall, cylindrical inner wall and cylinder of float body 1.No
The steel protective layer 2 that becomes rusty has preferable Corrosion Protection, there is a problem of that noise is big during the experiment, thus can be in level sensing
One layer of thermoplastic tube is wrapped up in device information pipe surface, that is, is solved.
As shown in Fig. 2, showing another example structure of liquid level float, liquid level float includes float body 1,
And 1 surface of float body covering composite material protective layer 3, composite material protective layer 3 with a thickness of 5mm, composite material
Protective layer 3 is wrapped in bottom surface in the cylindrical outer wall, cylindrical inner wall and cylinder of float body 1.
Following three kinds of composite material protective layers 3 are made by material mixture ratio.
Embodiment 1: composite material protective layer 3 is in parts by weight by 40 parts of nitrile rubbers, 10 parts of epoxy resin, 5 parts of poly- carbon
Acid esters, 1 part of talcum powder, 4 parts of Lauxites, 4 parts of brucite powders, 1 part of antioxidant, 12 parts of inhibition combination agents, 10 parts corrosion-resistant group
Mixture material is made.Wherein, inhibit combination agent by weight percent be respectively 14% trbasic zinc phosphate, 70% phosphono hydroxyacetic acid with
And 16% organic phosphoric acid composition；Corrosion-resistant combination agent is made of 65%PVC paste resin, 15% calcium carbonate and 20% plasticizer.
Embodiment 2: composite material protective layer 3 is in parts by weight by 50 parts of nitrile rubbers, 11 parts of epoxy resin, 6 parts of poly- carbon
Acid esters, 3 parts of talcum powder, 5 parts of Lauxites, 6 parts of brucite powders, 2 parts of antioxidant, 14 parts of inhibition combination agents, 13 parts corrosion-resistant group
Mixture material is made.Wherein, inhibit combination agent by weight percent be respectively 30% trbasic zinc phosphate, 56% phosphono hydroxyacetic acid with
And 14% organic phosphoric acid composition；Corrosion-resistant combination agent is made of 85%PVC paste resin, 5% calcium carbonate and 10% plasticizer.
Embodiment 3: composite material protective layer 3 is in parts by weight by 60 parts of nitrile rubbers, 12 parts of epoxy resin, 8 parts of poly- carbon
Acid esters, 5 parts of talcum powder, 6 parts of Lauxites, 7 parts of brucite powders, 3 parts of antioxidant, 15 parts of inhibition combination agents, 15 parts corrosion-resistant group
Mixture material is made.Wherein, inhibit combination agent by weight percent be respectively 25% trbasic zinc phosphate, 40% phosphono hydroxyacetic acid with
And 35% organic phosphoric acid composition；Corrosion-resistant combination agent is made of 75%PVC paste resin, 20% calcium carbonate and 5% plasticizer.
External protection made of above-described embodiment 1,2 and 3 is covered on outside the stainless steel film layer of float body respectively, is made
Liquid level float be immersed in methanol solution progress respective performances detection, and marked according to European Union's EN388 standard and European Union EN374-1
Standard carries out level evaluation, obtains following data:
As can be seen from the table, corrosion resistance of each embodiment in methanol solution, permeability resistance are excellent, dragging property of tension
Also preferably, it ensure that its service life and measure stable, accuracy.
Using above-mentioned any one of them liquid level float, it is assembled into contactless methanol liquid level sensor, two kinds described herein
The contactless methanol liquid level sensor of structure:
In conjunction with shown in Fig. 3 and Fig. 4, show a kind of example structure of contactless methanol liquid level sensor, wraps
The ring flange 4 being fixed on methanol fuel oil case is included, and is mounted on returning alcohol pipe 5, inhaling alcohol pipe 6 and message tube 7 on ring flange 4,
The lower end for returning alcohol pipe 5, suction alcohol pipe 6 and message tube 7 is fixed by bottom plate 8, and is provided with several on the lower end tube wall for inhaling alcohol pipe 6
Through-hole 9 is cased with net-filter assembly 10 outside through-hole 9, and above-mentioned liquid level float is equipped on message tube 7.In addition, further including in flange
Gas nozzle 12, seal assembly 13, line plug 14, the route excessively being arranged on disk 4 passed through line plug 14 and were connected to inside message tube 7, no
It is directly contacted with liquid level float, the location information of liquid level float is detected (for the prior art, here not by magnetic field induction principle
It is discussed in detail), and then methanol level value information is obtained, gas nozzle 12, which is realized, adjusts methanol fuel oil case inner and outer air pressure.The bottom of ring flange 4
End is equipped with gasket 11, increases the airtightness that ring flange 4 is connect with methanol fuel oil case.
In the present embodiment, net-filter assembly 10 includes covering inhaling the filter cover 100 on alcohol pipe 6, and connect with filter cover 100
Strainer body 101, and the filter screen 102 being arranged in strainer body 101,101 tail end of strainer body is equipped with fixing screws 103, Gu
Determine screw 103 to connect after strainer body 101 with suction 6 end thread of alcohol pipe.
When installation, first by 100 sets of filter cover in 101 front end of strainer body, and the filter screen 102 being arranged in strainer body 101,
Then again by entire assembly set on inhaling alcohol pipe 6, so that a section of end is passed through component and be against 101 end of strainer body, finally use
Fixing screws 103 are connect after passing through strainer body 101 with suction 6 end thread of alcohol pipe.Later period needs to clean filter screen 102 and replace
When, detachably under entire net-filter assembly 10, it is convenient and efficient.
In conjunction with shown in Fig. 5 and Fig. 6, show another example structure of contactless methanol liquid level sensor,
Similar with above-described embodiment structure on the whole, difference is:
Net-filter assembly 10 includes the deck 104 being located on bottom plate 8 in the present embodiment, and is connected with deck 104 by buckle
The strainer body 105 connect, and the filter screen 106 being arranged in strainer body 105,105 tail end of strainer body have been connected by a snap filter
Square 107,107 inner seal of filter cover is on inhaling 6 end of alcohol pipe.Wherein, deck 104 can be set to be integrally formed with bottom plate 8,
And be mutually perpendicular to, deck 104 is passed through convenient for inhaling after alcohol pipe 6 is bent.Deck 104 is equipped with multiple card holes, 105 end point of strainer body
It is buckled equipped with corresponding chamfering, strainer body 105 is directly stuck on deck 104 by when installation；Filter cover 107 and strainer body 105
Also mode is snapped connection using same, and corresponding recesses of 6 end of alcohol pipe embedded in 107 inside of filter cover will be inhaled and (do not shown in figure
In out), airtight connection is formed, inhaling at the position that 6 end of alcohol pipe is connect with filter cover 107 has sealing ring 108, further increases close
Closing property.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of liquid level float applied to methanol, it is characterised in that: the liquid level float includes float body (1), Yi Ji
The stainless protection layer (2) or composite material protective layer (3) of float body (1) surface covering, the float body (1) is in hollow
Cylinder, the stainless protection layer (2) or composite material protective layer (3) are wrapped in the cylindrical outer wall of float body (1), cylinder
Bottom surface on inner wall and cylinder.
2. a kind of liquid level float applied to methanol according to claim 1, it is characterised in that: the stainless protection layer
(2) with a thickness of 0.1mm-2mm, the composite material protective layer (3) with a thickness of 0.5mm-9mm.
3. a kind of contactless methanol liquid level sensor, it is characterised in that: including the ring flange being fixed on methanol fuel oil case
(4), and it is mounted on going back to alcohol pipe (5), inhaling alcohol pipe (6) and message tube (7) on ring flange (4), described time alcohol pipe (5) inhales alcohol
The lower end for managing (6) and message tube (7) is fixed by bottom plate (8), and is provided with several through-holes on the lower end tube wall for inhaling alcohol pipe (6)
(9), net-filter assembly (10) are cased with outside through-hole (9), it is floating that any liquid level of claim 1-2 is equipped on message tube (7)
Son.
4. a kind of contactless methanol liquid level sensor according to claim 3, it is characterised in that: the net-filter assembly
(10) filter cover (100) on alcohol pipe (6), and the strainer body (101) connecting with filter cover (100) are being inhaled including covering, and
The filter screen (102) being arranged in strainer body (101), strainer body (101) tail end is equipped with fixing screws (103), described solid
Determine screw (103) and is connect afterwards with suction alcohol pipe (6) end thread across strainer body (101).
5. a kind of contactless methanol liquid level sensor according to claim 3, it is characterised in that: the net-filter assembly
It (10) include the deck (104) that is located on bottom plate (8), and the strainer body (105) being connected by a snap with deck (104), with
And the filter screen (106) being arranged in strainer body (105), strainer body (105) tail end have been connected by a snap filter cover
(107), filter cover (107) inner seal is on inhaling alcohol pipe (6) end.
6. a kind of contactless methanol liquid level sensor according to claim 5, it is characterised in that: the suction alcohol pipe (6)
There are sealing ring (108) at the position that end is connect with filter cover (107).
7. a kind of contactless methanol liquid level sensor according to claim 3, it is characterised in that: the ring flange (4)
Bottom end be equipped with gasket (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698516.1U CN208366430U (en) | 2018-05-10 | 2018-05-10 | A kind of liquid level float and contactless methanol liquid level sensor applied to methanol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698516.1U CN208366430U (en) | 2018-05-10 | 2018-05-10 | A kind of liquid level float and contactless methanol liquid level sensor applied to methanol |
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| CN208366430U true CN208366430U (en) | 2019-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414056A (en) * | 2018-05-10 | 2018-08-17 | 合肥邦立电子股份有限公司 | A kind of liquid level float applied to methanol and contactless methanol liquid level sensor |
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2018
- 2018-05-10 CN CN201820698516.1U patent/CN208366430U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414056A (en) * | 2018-05-10 | 2018-08-17 | 合肥邦立电子股份有限公司 | A kind of liquid level float applied to methanol and contactless methanol liquid level sensor |
| CN108414056B (en) * | 2018-05-10 | 2024-01-12 | 合肥邦立电子股份有限公司 | Be applied to liquid level float and non-contact methyl alcohol level sensor of methyl alcohol |
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