CN204286547U - A kind of universal fuel level sensor of resistance to alcohol - Google Patents
A kind of universal fuel level sensor of resistance to alcohol Download PDFInfo
- Publication number
- CN204286547U CN204286547U CN201420752014.4U CN201420752014U CN204286547U CN 204286547 U CN204286547 U CN 204286547U CN 201420752014 U CN201420752014 U CN 201420752014U CN 204286547 U CN204286547 U CN 204286547U
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- Prior art keywords
- level sensor
- resistance
- fuel level
- alcohol
- fuel
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Abstract
The utility model provides a kind of universal fuel level sensor of resistance to alcohol, comprise a housing that can be fixed in vehicle fuel pump assembly, enclosure interior is equipped with oil level information sensing module, the resistance circuit composition that this module connects primarily of the opening and closing of linear pattern reed switch contact, housing is separately provided with the track of magnet and magnet rectilinear motion, magnet is connected to the float movement mechanism of the fuel pump sensor of automobile by stainless steel wire, automobile oil level sensor does not make any change, the float of fuel tank passes to magnet with the action of oil level generation shift in position by stainless steel wire, magnet linearly type track action attracts the opening and closing of linear pattern tongue tube, thus the equivalent output resistance changing oil level information sensor shows fuel tank intermediate fuel oil height.The utility model compact, easy for installation, do not need to remove automobile oil level sensor, can be applicable to various different fuel liquid for automobile, check and approve after range through experimental calibration, accurately can show oil level height in various automotive oil tank.
Description
Technical field
The utility model relates to oil tank liquid level sensor field, is specifically related to a kind of universal fuel level sensor of resistance to alcohol.
Background technology
Existing vehicle oil level sensor is all for designed by gasoline, diesel oil non-polar molecule fuel.The Aalcohols fuel such as coal-based methanol and bio-ethanol be a kind of can replacing gasoline, diesel oil liquid fuel, be a kind of alternative fuel extremely with development potentiality.But due to the characteristic of itself strong molecular polarity, be easy to produce galvanic corrosion to the swept resistance of fuel level sensor.Existing market fuel level sensor used of getting on the car mostly is contact, directly contacts with fuel in the course of the work, there is fuel level sensor corrosion-vulnerable and the problem causing serviceable life short, hinder applying of alternative fuel for cars.
Utility model content
For the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of universal fuel level sensor of resistance to alcohol, with solve prior art automobile contact fuel level sensor corrosion-vulnerable and serviceable life short problem.The described fuel level sensor of resistance to alcohol refers to that this fuel level sensor can work for a long time, normally in the Aalcohols fuel such as coal-based methanol and bio-ethanol.
In order to achieve the above object, the technical scheme that the utility model adopts is:
A kind of universal fuel level sensor of resistance to alcohol, comprise housing, described housing is installed in fuel tank by stationary installation, described fuel tank is provided with former car fuel level sensor, described housing is provided with linear pattern track, arrange slidably magnetic in described linear pattern track, described slidably magnetic is connected with former car fuel level sensor by coupling arrangement, and described in the change of described fuel level in tank causes, slidably the position of magnetic changes on linear pattern track; Oil level information sensing module is installed, for the position of slidably magnetic described in responding in described housing.
Former car fuel level sensor refers to that the fuel level sensor that the original fuel tank of the vehicles carries, the described vehicles can be ground run instrument (as various automobiles etc.), waterborne or travel instrument (as various ship, yacht, submarine etc.) under water.For automobile, former car fuel level sensor is the float movement mechanism of the fuel pump sensor that automotive oil tank carries.
As preferably, described coupling arrangement is elastic connecting device.Preferably, coupling arrangement is the elastic connecting device with certain dilatability.The fuel level sensor that slidably magnetic and fuel tank carry adopts elasticity to be connected, and can adjust flexibly, take up room little according to environment for use, without the need to dismantling the fuel level sensor that fuel tank carries, convenient fixing, saves cost.
As preferably, described elastic connecting device comprises tinsel and hollow tube, and described tinsel is positioned in hollow tube.
As preferably, described tinsel is stainless steel wire.
As preferably, described hollow tube can be closed or semiclosed by perisporium.
As preferably, described hollow tube be selected from plastic tube, metal tube, bourdon tube one or more, the preferred copper pipe of metal tube.The preferred wire spring pipe of bourdon tube.
As preferably, described slidably magnetic is magnet.
As preferably, described stationary installation is mounting hole, is arranged at the two ends of described housing.
As preferably, described information sensing module comprises PCB, tongue tube, resistance; Tongue tube and resistance can form resistive switch network and be assemblied in PCB; Preferably, the opening and closing convert resistance series and parallel of described reed switch contact accesses resistor network thus changes the equivalent output resistance of resistor network, and slidably the change of magnetic position causes the opening and closing of correspondence position reed switch contact.Preferred tongue tube linearly property is arranged.Slidably the Linear-moving of magnetic position and the linear arrangement of corresponding tongue tube can realize the accuracy of measurement, realize the continuously level and smooth of measurement simultaneously, overcome intermittently beating of measurement.Preferably, described resistance quantity is more than 15, and tongue tube quantity is more than 15, and tongue tube lead pin pitch is 7-20 millimeter.
Second object of the present utility model is to provide a kind of combined type fuel level sensor of resistance to alcohol, and the described combined type fuel level sensor of resistance to alcohol comprises the foregoing universal fuel level sensor of resistance to alcohol and former car fuel level sensor.Its effect be can solve simply and easily fuel level sensor by Aalcohols fuel corrosion the problem that causes serviceable life short.
3rd object of the present utility model is to provide a kind of vehicles of resistance to alcohol, it is characterized in that: the described vehicles are ground run instrument, waterborne or travel instrument under water, the foregoing universal fuel level sensor of resistance to alcohol is comprised in the described vehicles, or the foregoing combined type fuel level sensor of resistance to alcohol.
The described vehicles of resistance to alcohol can be the vehicles using the alcohols such as methyl alcohol, bio-ethanol as fuel, such as, ground run instrument (as various automobiles etc.), waterborne or travel instrument (as various ship, yacht, submarine etc.) under water.
The described vehicles of resistance to alcohol can be a kind of novel carbinol gasoline fuel car or methanol diesel oil fuel car, also can be methanol fuel steamers waterborne.
The beneficial effect brought of the present utility model is:
The universal fuel level sensor of resistance to alcohol of the present utility model adopts non-contact measurement, without wearing and tearing.The fuel level in tank change detected is needed to be converted into the change of magnet position on rectilinear orbit, cause the change of correspondence position dry-reed tube switch state in information sensing module, change the equivalent output resistance of resistor network, fuel level in tank and information sensing module equivalent output resistance is made to produce corresponding relation, this change is simultaneously stable and continuous, detects equivalent output resistance and just can detect fuel level in tank, realize the accuracy measured, realize the continuously level and smooth of measurement simultaneously, overcome intermittently beating of measurement.Information sensing module all seals, contactless with fuel liquid, corrosion-resistant, can be used for the environment of Aalcohols fuel, long service life.Housing carries mounting hole, the fuel level sensor that magnet and fuel tank carry adopts elasticity to be connected, can adjust flexibly according to environment for use, take up room little, without the need to dismantling the fuel level sensor that fuel tank carries, convenient fixing, save cost, easy for installation, adaptability is good, be common to basic vehicle, during use, only need calibrated span.
Accompanying drawing explanation
Fig. 1 is general type integral structural representation of the present utility model;
Shown in figure: 1---oil level information sensing module, 2---tongue tube, 3---signal output port,
4---the housing of the universal fuel level sensor of resistance to alcohol, 5---mounting hole,
6---linear pattern track, 7---slidably magnetic,
8---the housing of former car fuel level sensor,
9---former car fuel level sensor contact scribing,
10---automobile shadoof, 11---float, 12---stainless steel wire.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail; The described vehicles are for automobile, and described former car fuel level sensor is float movement mechanism.
Fig. 1 is a kind of universal fuel level sensor of resistance to alcohol, is fixed in vehicle fuel pump assembly.Described vehicle fuel pump assembly is arranged in the fuel tank of automobile.Described former car fuel level sensor and the universal fuel level sensor of resistance to alcohol are arranged in described vehicle fuel pump assembly.
The housing 4 that the described universal fuel level sensor of resistance to alcohol comprises, the oil level information sensing module 1 moulding technique encapsulation with integrated circuit envelope is installed in housing 4, oil level information sensing module 1 has signal output port 3, this signal output port 3 connects the former car fuel level sensor output port in vehicle fuel pump assembly with output lead.Described housing 4 is provided with linear pattern track 6, there is magnet 7 can linear slide in linear pattern track 6, magnet 7 is connected to the float 11 of the former car fuel level sensor of automobile by stainless steel wire 12, the former car fuel level sensor that automotive oil tank carries does not make any change, described float 11 passes to magnet 7 with the action of oil level generation shift in position by stainless steel wire 12, changes float 11 linear slide of magnet 7 in linear pattern track 6 into the change in location that oil level is elevated.
Float 11 one end of former car fuel level sensor connects stainless steel wire 12, and the other end connects automobile shadoof 10, and wherein 8 is the housing of former car fuel level sensor, and 9 is former car fuel level sensor contact scribing.Described stainless steel wire 12 one end connects float 11, the other end connects magnet 7, for ensureing that float 11 action is transmitted accurately, described stainless steel wire 12 should be placed in suitable, the convenient bending copper pipe of diameter, and this copper pipe should be fixed on position suitable in vehicle fuel pump assembly.If desired, the wire spring pipe that two ends are fixing can be adopted, with the connection of the selection and stainless steel wire 12 and magnet 7 and float 11 two ends that facilitate housing 4 fixed position.
Appended mounting hole 5 can be fixed on any suitable location of vehicle fuel pump assembly, institute takes up space little, do not need the former car fuel level sensor dismantling and change automobile, the output lead 3 of the universal fuel level sensor of resistance to alcohol is connected with former car fuel level sensor output terminal, magnet 7 causes the opening and closing of tongue tube 2 by the motion of stainless steel wire 12 linearly type track 6, thus the equivalent output resistance changing oil level information sensing module 1 shows fuel tank intermediate fuel oil height.
Described information oil level sensing module 1 by PCB, be assemblied in PCB front and the multiple tongue tubes 2 presenting straight line, the resistance device that is assemblied in the PCB back side are formed, described magnet 7 attracts to coordinate with the tongue tube 2 of multiple straight line by linear pattern track 6; Utilizing the tongue tube 6 contact opening and closing of straight line to carry out the access of convert resistance series and parallel, there is equivalence and changes in the linear slide of the electrical resistance magnet 7 that oil level information sensor assembly 1 is exported.The sensor circuit of described information oil level sensing module 1 can be the tongue tube resistance switch circuit presenting straight line, described resistance switch circuit can be made up of the tongue tube of 15-20 above resistance and more than 15-20, and the lead pin pitch of described tongue tube is 7-20 millimeter.
Senser element in described information sensor module 1 adopts rectilinear structure layout to be assembled on PCB front, and resistance device is assemblied in the back side.PCB assembly adopts electronic-packaging processes to encapsulate, finished parts assembling can be assemblied in the optional position of vehicle fuel pump assembly by appended mounting hole 5, without the need to removing and change the former car fuel level sensor of automobile, when the liquid level of fuel tank changes, the former car fuel level sensor of automobile carries out swing arm rotation according to the height of liquid level of described fuel tank, by the stainless steel wire 12 in the universal fuel level sensor of resistance to alcohol, described swing arm rotation is transmitted, drive magnet 7 in the universal fuel level sensor of resistance to alcohol linear slide back and forth on linear pattern track 6, the switch that magnet 7 responds to linear pattern tongue tube 2 closes, disconnect output resistance signal, output signal is transferred on running computer, oil level position in display fuel tank.
Its principle of utility model works is: when oil tank liquid level changes, the former car fuel level sensor of automobile drives fork to move up and down, the mechanical motion of fork is transmitted by the universal fuel level sensor of resistance to alcohol stainless steel wire, band moving magnet slidably reciprocates on linear pattern track, magnet induction linear pattern dry-reed tube switch is closed, disconnection, dry-reed tube switch circuit output resistance, sets up the corresponding relation between oil tank liquid level height and output resistance, realizes the effect of the change of measuring liquid level in fuel tank.
The above-mentioned vehicles are that example is described with automobile, and the utility model is all applicable for other vehicles.
Above-mentioned embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (10)
1. the universal fuel level sensor of resistance to alcohol, comprise housing (4), it is characterized in that: described housing (4) is installed in fuel tank by stationary installation (5), described fuel tank is provided with former car fuel level sensor, described housing is provided with linear pattern track (6), slidably magnetic (7) is set in described linear pattern track (6), described slidably magnetic (7) is connected with former car fuel level sensor by coupling arrangement (12), described in the change of described fuel level in tank causes, slidably the position of magnetic (7) changes on linear pattern track (6), oil level information sensing module (1) is installed, for the position of slidably magnetic described in responding in described housing (4).
2. the universal fuel level sensor of resistance to alcohol according to claim 1, is characterized in that: described coupling arrangement (12) is elastic connecting device.
3. the universal fuel level sensor of resistance to alcohol according to claim 2, it is characterized in that: described elastic connecting device comprises tinsel and hollow tube, described tinsel is positioned in hollow tube.
4. the universal fuel level sensor of resistance to alcohol according to claim 3, is characterized in that: described tinsel is stainless steel wire.
5. the universal fuel level sensor of resistance to alcohol according to claim 3, is characterized in that: described hollow tube be selected from plastic tube, metal tube, bourdon tube one or more.
6. the universal fuel level sensor of resistance to alcohol according to claim 1, is characterized in that: described slidably magnetic (7) is magnet.
7. the universal fuel level sensor of resistance to alcohol according to claim 1, is characterized in that: described stationary installation (5) is mounting hole, is arranged at the two ends of described housing (4).
8. the universal fuel level sensor of resistance to alcohol according to any one of claim 1-7, is characterized in that: described oil level information sensing module (1) comprises PCB, tongue tube, resistance, and tongue tube and resistance are assemblied in PCB.
9. the combined type fuel level sensor of resistance to alcohol, is characterized in that, the described combined type fuel level sensor of resistance to alcohol comprises the universal fuel level sensor of resistance to alcohol described in any one of claim 1-8 and former car fuel level sensor.
10. the vehicles of resistance to alcohol, it is characterized in that: the described vehicles are ground run instrument, waterborne or travel instrument under water, the universal fuel level sensor of resistance to alcohol described in any one of claim 1-8 is comprised in the described vehicles, or the combined type fuel level sensor of resistance to alcohol according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752014.4U CN204286547U (en) | 2014-12-04 | 2014-12-04 | A kind of universal fuel level sensor of resistance to alcohol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752014.4U CN204286547U (en) | 2014-12-04 | 2014-12-04 | A kind of universal fuel level sensor of resistance to alcohol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204286547U true CN204286547U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420752014.4U Expired - Fee Related CN204286547U (en) | 2014-12-04 | 2014-12-04 | A kind of universal fuel level sensor of resistance to alcohol |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303876A (en) * | 2019-07-19 | 2019-10-08 | 九昌新能源技术(镇江)有限公司 | A kind of methanol fuel tank for automobile system |
| CN111964754A (en) * | 2020-08-25 | 2020-11-20 | 芜湖联诺电器有限公司 | Liquid level sensor for special-shaped oil tank |
-
2014
- 2014-12-04 CN CN201420752014.4U patent/CN204286547U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303876A (en) * | 2019-07-19 | 2019-10-08 | 九昌新能源技术(镇江)有限公司 | A kind of methanol fuel tank for automobile system |
| CN111964754A (en) * | 2020-08-25 | 2020-11-20 | 芜湖联诺电器有限公司 | Liquid level sensor for special-shaped oil tank |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20171204 |