CN201344824Y - Magnetic attracting fuel level sensor - Google Patents
Magnetic attracting fuel level sensor Download PDFInfo
- Publication number
- CN201344824Y CN201344824Y CNU2009200378325U CN200920037832U CN201344824Y CN 201344824 Y CN201344824 Y CN 201344824Y CN U2009200378325 U CNU2009200378325 U CN U2009200378325U CN 200920037832 U CN200920037832 U CN 200920037832U CN 201344824 Y CN201344824 Y CN 201344824Y
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- China
- Prior art keywords
- magnetic conductive
- resistor disc
- shell
- magnetic
- level sensor
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- 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 - Lifetime
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Abstract
The utility model discloses a magnetic attracting fuel level sensor which has stable working performance and long service life in the field of the fuel level sensor technology. The magnetic attracting fuel level sensor comprises a shell. A rocker is hinged on the shell; a resistance card assembly is arranged in the shell and comprises a resistance card, a magnetic conductive spring and a sealing shell; the resistance card is electrically connected with input and output leads; the magnetic conductive spring is connected with a core surface of the resistance card in an insulating way; a plurality of magnetic conductive probe claws which are homogeneously arrayed are arranged on one side of the magnetic conductive spring; each magnetic conductive probe claw is corresponding with one area of a sliding conductive band of the resistance card; a gap is arranged between the magnetic conductive probe claw and the sliding conductive band of the resistance card; the resistance card is arranged in the sealing shell and is connected with the sealing shell in a sealing way; the core surface of the resistance card, the magnetic conductive spring and the magnetic conductive probe claws are sealed in a sealing cavity of the sealing shell; a back surface of the resistance card is located outside the sealing cavity; a front end of the rocker in the shell is connected with a magnet; and the magnet is opposite to the back surface of the resistance card.
Description
Technical field
The utility model belongs to the fuel level sensor technical field, relates in particular to a kind of magnetic-type sensor that automobile oil level is measured that is used for.
Background technology
The existing automobile oil level measured sensor that is used for, the version that normally adopts the slide plate contact on resistor disc, to slide.Sensor comprises shell and the resistor disc that is arranged in the shell, is electrically connected input lead and output lead on the resistor disc, is hinged a rocking arm on the shell, and a part of rocking arm is in the shell.The front end that is in the rocking arm in the shell connects slide plate, and the slide plate contact that is provided with on the slide plate contacts with the slip conduction band on the resistor disc core face is regional, and can slide in above-mentioned slip conduction band zone.Above-mentioned rocking arm is connected with a float with a lever, when changing, oil level rotates by float and lever control rocking arm, thereby make different position in the contact slip conduction band zone, slide plate contact, the output loop resistance changes, and reaching the test oil level just is the purpose that oil mass changes.Because the resistor disc long period of soaking is in oil, its work under bad environment, resistor disc easily vulcanizes, oxidation, and the wear-resisting serviceable life of resistor disc is limited, the serviceability instability.
The utility model content
The technical problems to be solved in the utility model provides a kind of stable work in work, the magnetic-type fuel level sensor of long service life.
The utility model comprises shell, is hinged a rocking arm on shell, and wherein a part of rocking arm is in the shell, and another part rocking arm is in outside the shell; In shell, arrange a resistor disc assembly; Described resistor disc assembly comprises resistor disc, magnetic conductive reed and capsul; Be electrically connected input lead and output lead on the resistor disc; The insulation of magnetic conductive reed is connected on the core face of resistor disc, several evenly distributed magnetic conductive probe pawls are set on a side of magnetic conductive reed, there is the gap corresponding to a zone of resistor disc slip conduction band in each magnetic conductive probe pawl between the slip conduction band of magnetic conductive probe pawl and resistor disc; Described resistor disc is arranged in the capsul and between the capsul and is tightly connected, and the core face of resistor disc, magnetic conductive reed and magnetic conductive probe pawl are sealed in the annular seal space of capsul, and the back side of resistor disc then is in outside the annular seal space; The above-mentioned rocking arm front end that is in the shell connects a magnet, and described magnet is relative with the back side of resistor disc.
As improvement of the present utility model, the magnetic conductive reed is bonded on the core face of resistor disc by an insulation glue-line.
As improvement of the present utility model, described magnetic conductive reed is arc shape, and magnetic conductive probe pawl is arranged to the shape of one section annulus along the arc-shaped side edges of magnetic conductive reed.
Improve as of the present utility model, the rocking arm front end that is in the shell is provided with a magnet containing cavity again, and described magnet places above-mentioned magnet containing cavity.
The core face seal of resistor disc is contained in the capsul in the utility model, cooperate above-mentioned hermetically-sealed construction, fuel level sensor in the utility model adopts rocking arm to drive the mode that magnet moves, control is arranged in the diverse location in the slip conduction band zone of the magnetic conductive probe pawl contact resistance sheet on the resistor disc core face, thereby the output loop resistance will change, and measure the oil level height thus.Rocking arm then also is to be connected with a float with a lever.The fuel level sensor of this structure has overcome resistor disc and has been immersed in the serviceability instability that causes in the oil, the defective that lack serviceable life.
In order to cooperate the shape in resistor disc slip conduction band zone, so the design of magnetic conductive reed is arc shape, magnetic conductive probe pawl is arranged to be and is cut toroidal.
Magnet arrangements is convenient to being connected of magnet and rocking arm in the containing cavity of rocking arm front end, also be convenient to the replacing of magnet.
Description of drawings
Fig. 1 is the structural representation of resistor disc assembly in the utility model;
Fig. 2 is that the magnetic conductive reed is connected structural representation on the resistor disc in the utility model;
Fig. 3 is that the resistor disc assembly is installed in structural representation in the shell in the utility model;
Fig. 4 is an exterior perspective view of the present utility model.
Embodiment
As depicted in figs. 1 and 2, resistor disc assembly 1 comprises resistor disc 1-1, magnetic conductive reed 1-2, capsul 1-3.Magnetic conductive reed 1-2 is bonded on the core face of resistor disc 1-1 by insulation glue-line 1-4.Resistor disc 1-1 goes up and is electrically connected input lead and output lead.
Described magnetic conductive reed 1-2 is arc shape, several evenly distributed magnetic conductive probe pawl 1-5 are set on the arc-shaped side edges of above-mentioned magnetic conductive reed 1-2, and all magnetic conductive probe pawl 1-5 are arranged to the shape of one section annulus along the arc-shaped side edges of magnetic conductive reed 1-2.There is the gap corresponding to the zone of resistor disc slip conduction band 1-6 in each magnetic conductive probe pawl 1-5 between magnetic conductive probe pawl 1-5 and the resistor disc slip conduction band 1-6.
Described resistor disc 1-1 is arranged among the capsul 1-3, be tightly connected between the periphery of resistor disc 1-1 and the capsul 1-3, thereby the core face of resistor disc 1-1, magnetic conductive reed 1-2 and magnetic conductive probe pawl 1-5 are sealed in the annular seal space of capsul 1-3, with the above-mentioned parts of anti-oil pollution, influence the serviceability of fuel level sensor.The back side of resistor disc 1-1 is in outside the annular seal space.
As shown in Figure 3, resistor disc assembly 1 is installed in the shell 2.On shell 2, be hinged a rocking arm 3.Described a part of rocking arm 3 is in the shell 2, and all the other rocking arms 3 are in outside the shell 2, and the end that is in a part of rocking arm 3 in the shell 2 connects a magnet 4.Described magnet 4 is relative with the back side of resistor disc 1-1.
Preferably, in the end of rocking arm 3 a magnet containing cavity 3-1 is set, magnet 4 is arranged among the magnet containing cavity 3-1.
Under the action of a magnetic field of magnet 4, magnetic conductive probe pawl 1-5 can contact with the resistor disc conduction band 1-6 that slides.When shaking rocking arm 3, magnet 4 is done movement in a curve together in company with the end of rocking arm 3, thereby cause the regional joint of different magnetic conductive probe pawl 1-5 and the resistor disc slip conduction band 1-6 corresponding, make the output loop resistance change, reach the purpose of measuring the oil level height thus with it.Preferably, the magnetic field intensity of magnet can make the zone of any two adjacent magnetic conductive probe pawl 1-5 and the resistor disc slip conduction band 1-6 corresponding with it contact in the present embodiment, to guarantee the adequacy that magnetic conductive probe pawl 1-5 contacts with resistor disc slip conduction band 1-6 and the degree of accuracy of measurement.
As shown in Figure 4, shell 2 protects resistor disc assembly bag therein.Part rocking arm 3 is in outside the shell 2, so that be connected with float with the lever of outside.
Claims (4)
1, a kind of magnetic-type fuel level sensor comprises shell, is hinged a rocking arm on shell, and wherein a part of rocking arm is in the shell, and another part rocking arm is in outside the shell, it is characterized in that: arrange a resistor disc assembly in shell; Described resistor disc assembly comprises resistor disc, magnetic conductive reed and capsul; Be electrically connected input lead and output lead on the resistor disc; The insulation of magnetic conductive reed is connected on the core face of resistor disc, several evenly distributed magnetic conductive probe pawls are set on a side of magnetic conductive reed, there is the gap corresponding to a zone of resistor disc slip conduction band in each magnetic conductive probe pawl between the slip conduction band of magnetic conductive probe pawl and resistor disc; Described resistor disc is arranged in the capsul and between the capsul and is tightly connected, and the core face of resistor disc, magnetic conductive reed and magnetic conductive probe pawl are sealed in the annular seal space of capsul, and the back side of resistor disc then is in outside the annular seal space; The above-mentioned rocking arm front end that is in the shell connects a magnet, and described magnet is relative with the back side of resistor disc.
2, a kind of magnetic-type fuel level sensor according to claim 1 is characterized in that: described magnetic conductive reed is bonded on the core face of resistor disc by an insulation glue-line.
3, a kind of magnetic-type fuel level sensor according to claim 1 and 2, it is characterized in that: described magnetic conductive reed is arc shape, and magnetic conductive probe pawl is arranged to the shape of one section annulus along the arc-shaped side edges of magnetic conductive reed.
4, a kind of magnetic-type fuel level sensor according to claim 1 and 2 is characterized in that: the rocking arm front end that is in the shell is provided with a magnet containing cavity, and described magnet places above-mentioned magnet containing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200378325U CN201344824Y (en) | 2009-01-23 | 2009-01-23 | Magnetic attracting fuel level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200378325U CN201344824Y (en) | 2009-01-23 | 2009-01-23 | Magnetic attracting fuel level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201344824Y true CN201344824Y (en) | 2009-11-11 |
Family
ID=41276404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200378325U Expired - Lifetime CN201344824Y (en) | 2009-01-23 | 2009-01-23 | Magnetic attracting fuel level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201344824Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798954A (en) * | 2019-02-25 | 2019-05-24 | 浙江众泰汽车制造有限公司 | A kind of automobile liquid level sensor |
-
2009
- 2009-01-23 CN CNU2009200378325U patent/CN201344824Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798954A (en) * | 2019-02-25 | 2019-05-24 | 浙江众泰汽车制造有限公司 | A kind of automobile liquid level sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU OLIVE SENSORS HIGH TECHNOLOGY INC. Free format text: FORMER NAME: YANGZHOU AOLIWEI SENSOR CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 225127 No. 8 Cheung Road, Hanjiang Economic Development Zone, Jiangsu, Yangzhou Patentee after: Jiangsu Aoliwei Sensing Tech Co.,Ltd. Address before: 225127 No. 8 Cheung Road, Hanjiang Industrial Park, Jiangsu, Yangzhou Patentee before: Yangzhou Aoliwei Sensor Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091111 |