CN206002173U - A kind of automotive oil tank liquid level sensor - Google Patents
A kind of automotive oil tank liquid level sensor Download PDFInfo
- Publication number
- CN206002173U CN206002173U CN201620988320.7U CN201620988320U CN206002173U CN 206002173 U CN206002173 U CN 206002173U CN 201620988320 U CN201620988320 U CN 201620988320U CN 206002173 U CN206002173 U CN 206002173U
- Authority
- CN
- China
- Prior art keywords
- liquid level
- magnetic field
- level sensor
- oil tank
- tank liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of automotive oil tank liquid level sensor, including cylinder, the bottom of described cylinder is provided with drainage screen, the upper center of described cylinder connects box by flange, the described upper end connecting box is provided with rosette transducer, the described lower end connecting box is provided with measurement conduit, the upper end inwall of described cylinder is provided with sealing ring, the lower end of described measurement conduit is provided with temperature sensor, described temperature sensor electrically connects rosette transducer, the inside of described measurement conduit is provided with measuring cell, described measuring cell electrically connects rosette transducer, the exterior periphery of described measurement conduit is provided with rubber layer, the exterior periphery of described rubber layer is provided with floating magnetic field annulus and slipper seal piston, the exterior periphery of described floating magnetic field annulus is fixedly connected floating slide bar.Magnet, detecting element and oil are separated by this automotive oil tank liquid level sensor by slipper seal piston and rubber layer, prevent detecting element from being affected by oil stain.
Description
Technical field
This utility model is related to liquid level sensor technical field, specially a kind of automotive oil tank liquid level sensor.
Background technology
At present in existing technology, fuel level sensor is divided into two classes：One class is to be primary detecting element with slide potentiometer,
It is to drive potentiometer by float, then detects its resistance with ohmmeter, thus reaching the purpose of display oil level, but when grease covers
After potentiometer, its resistance can change, and causes error too big, or even can not use, and makes such tank sensor become the life-span
Very short consumable accessory.Another kind of is to be primary detecting element with inductance coil.It is to drive inductance coil with float, changes shake and works as
The concussion frequency of circuit, then its frequency is detected by cymometer measure liquid level.But its complex structure, debugging trouble, high cost,
Price is it is impossible to be widely used.Using the floating ball type liquid level sensor life-span length of tongue tube, action is safe and reliable, no-spark
The oil-level sensor producing etc. characteristic, is the existing fabulous succedaneum with various fuel tank for automobile fuel level sensors, but its magnetic
Ferrum, detecting element etc., can be affected by oil stain for a long time.
Utility model content
The purpose of this utility model is to provide a kind of automotive oil tank liquid level sensor, to solve to carry in above-mentioned background technology
The problem going out.
For achieving the above object, this utility model provides following technical scheme：A kind of automotive oil tank liquid level sensor, including
Cylinder, the bottom of described cylinder is provided with drainage screen, and the upper center of described cylinder connects box, described connection box by flange
Upper end be provided with rosette transducer, the lower end of described connection box is provided with measurement conduit, and the upper end inwall of described cylinder is provided with
Sealing ring, the lower end of described measurement conduit is provided with temperature sensor, and described temperature sensor electrically connects rosette transducer, described
The inside of measurement conduit is provided with measuring cell, and described measuring cell electrically connects rosette transducer, the outside of described measurement conduit
Circumference is provided with rubber layer, and the exterior periphery of described rubber layer is provided with floating magnetic field annulus and slipper seal piston, described floating magnetic
The exterior periphery of property annulus is fixedly connected floating slide bar.
Preferably, described floating magnetic field annulus is alnico magnets.
Preferably, described floating slide bar is provided with four, and is evenly distributed on the circumference of floating magnetic field annulus.
Preferably, leave gap between described floating magnetic field annulus and rubber layer.
Preferably, the inside of described measuring cell is provided with precision resistance and tongue tube, and precision resistance electrically connects tongue tube.
Compared with prior art, the beneficial effects of the utility model are：The bottom of this automotive oil tank liquid level sensor is provided with
Drainage screen can be prevented impurity from hindering the floating of slipper seal piston, the accuracy of impact measurement liquid level, and slided with impurity screening
Magnet, detecting element and oil are separated by sealing piston and rubber layer, prevent detecting element from being affected by oil stain.Rise in oil level
During drive the rising of floating magnetic field annulus, floating magnetic field annulus controls the adhesive of tongue tube to disconnect, so that sensor
The linear change of resistance, then the change of resistance is converted into by 4-20mA standard current signal by transducer and superimposed digital signal is defeated
Go out.
Brief description
Fig. 1 is this utility model structural front view schematic diagram；
Fig. 2 is the enlarged drawing at a in this utility model Fig. 1.
In figure：1 cylinder, 2 drainage screens, 3 connection boxes, 4 rosette transducers, 5 measurement conduits, 6 temperature sensors, 7 precisions
Resistance, 8 tongue tubes, 9 rubber layers, 10 floating magnetic field annulus, 11 slipper seal pistons, 12 floating slide bars.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-2, this utility model provides a kind of technical scheme：A kind of automotive oil tank liquid level sensor, including cylinder
Body 1, the bottom of described cylinder 1 is provided with drainage screen 2, and drainage screen 2 can prevent impurity from hindering slipper seal piston 11 with impurity screening
Floating, the accuracy of impact measurement liquid level, the upper center of described cylinder 1 passes through flange connection box 3, described connection box
3 upper end is provided with rosette transducer 4, and the described lower end connecting box 3 is provided with measurement conduit 5, the upper end inwall of described cylinder 1
It is provided with sealing ring 13, the lower end of described measurement conduit 5 is provided with temperature sensor 6, and described temperature sensor 6 electrical connection rosette turns
Parallel operation 4, the inside of described measurement conduit 5 is provided with measuring cell 14, and the inside of described measuring cell 14 is provided with precision resistance 7 and does
Reed pipe 8, drives the rising of floating magnetic field annulus 10 in oil level uphill process, and floating magnetic field annulus 10 controls the suction of tongue tube 8
Make and break is opened, so that the linear change of the resistance of sensor, precision resistance 7 electrical connection tongue tube 8, described measuring cell 14 is electrically connected
Connect rosette transducer 4, the exterior periphery of described measurement conduit 5 is provided with rubber layer 9, and the exterior periphery of described rubber layer 9 is provided with
Floating magnetic field annulus 10 and slipper seal piston 11, described floating magnetic field annulus 10 is alnico magnets, described floating magnetic field circle
Gap is left, the exterior periphery of described floating magnetic field annulus 10 is fixedly connected floating slide bar 12, described between ring 10 and rubber layer 9
Floating slide bar 12 is provided with four, and is evenly distributed on the circumference of floating magnetic field annulus 10, and floating slide bar 12 can fix floating
The position of magnetic annulus 10, the gap between floating magnetic field annulus 10 and rubber layer 9 can prevent floating magnetic field annulus 10 in fortune
Rub when dynamic, floating magnetic field annulus 10 is produced with retardance, the accuracy of impact level gauging.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of automotive oil tank liquid level sensor, including cylinder (1) it is characterised in that：The bottom of described cylinder (1) is provided with filtration
Net (2), the upper center of described cylinder (1) connects box (3) by flange, and the described upper end connecting box (3) is provided with wiring
Box transducer (4), the described lower end connecting box (3) is provided with measurement conduit (5), and the upper end inwall of described cylinder (1) is provided with close
Seal (13), the lower end of described measurement conduit (5) is provided with temperature sensor (6), and described temperature sensor (6) electrically connects rosette
Transducer (4), the inside of described measurement conduit (5) is provided with measuring cell (14), and described measuring cell (14) electrically connects rosette
Transducer (4), the exterior periphery of described measurement conduit (5) is provided with rubber layer (9), and the exterior periphery of described rubber layer (9) is provided with
Floating magnetic field annulus (10) and slipper seal piston (11), the exterior periphery of described floating magnetic field annulus (10) is fixedly connected floating
Slide bar (12).
2. a kind of automotive oil tank liquid level sensor according to claim 1 it is characterised in that：Described floating magnetic field annulus
(10) it is alnico magnets.
3. a kind of automotive oil tank liquid level sensor according to claim 1 it is characterised in that：Described floating slide bar (12) sets
There are four, and be evenly distributed on the circumference of floating magnetic field annulus (10).
4. a kind of automotive oil tank liquid level sensor according to claim 1 it is characterised in that：Described floating magnetic field annulus
(10) leave gap and rubber layer (9) between.
5. a kind of automotive oil tank liquid level sensor according to claim 1 it is characterised in that：Described measuring cell (14)
Inside is provided with precision resistance (7) and tongue tube (8), precision resistance (7) electrical connection tongue tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620988320.7U CN206002173U (en) | 2016-08-30 | 2016-08-30 | A kind of automotive oil tank liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620988320.7U CN206002173U (en) | 2016-08-30 | 2016-08-30 | A kind of automotive oil tank liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002173U true CN206002173U (en) | 2017-03-08 |
Family
ID=58194985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620988320.7U Expired - Fee Related CN206002173U (en) | 2016-08-30 | 2016-08-30 | A kind of automotive oil tank liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206002173U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103044A (en) * | 2020-09-22 | 2020-12-18 | 肇庆中彩机电技术研发有限公司 | Multi-state power distribution equipment monitoring device |
| CN114061703A (en) * | 2021-11-17 | 2022-02-18 | 河北机电职业技术学院 | Oil level monitoring and alarming device for automobile hydraulic system |
-
2016
- 2016-08-30 CN CN201620988320.7U patent/CN206002173U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103044A (en) * | 2020-09-22 | 2020-12-18 | 肇庆中彩机电技术研发有限公司 | Multi-state power distribution equipment monitoring device |
| CN114061703A (en) * | 2021-11-17 | 2022-02-18 | 河北机电职业技术学院 | Oil level monitoring and alarming device for automobile hydraulic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20170830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |