CN202393456U - Fully-digitalized capacitive automobile oil level sensor - Google Patents
Fully-digitalized capacitive automobile oil level sensor Download PDFInfo
- Publication number
- CN202393456U CN202393456U CN2011205642158U CN201120564215U CN202393456U CN 202393456 U CN202393456 U CN 202393456U CN 2011205642158 U CN2011205642158 U CN 2011205642158U CN 201120564215 U CN201120564215 U CN 201120564215U CN 202393456 U CN202393456 U CN 202393456U
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- CN
- China
- Prior art keywords
- level sensor
- oil level
- insulating tube
- automobile oil
- tube
- 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 - Lifetime
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Abstract
The utility model relates to an oil level sensor and particularly relates to a fully-digitalized capacitive automobile oil level sensor. The fully-digitalized capacitive automobile oil level sensor comprises an insulating tube and a transmitter arranged above the insulating tube, wherein the insulating tube is internally provided with at least two electrodes which are sequentially distributed along the axial direction of the insulating tube and separated from one another; a metal tube is arranged outside the insulating tube; and the upper part of the metal tube is provided with a gas guide hole, while the lower part of the metal tube is provided with a liquid guide hole. At least two electrodes are arranged in the insulating tube and based on a multi-electrode capacitive technology, the capability of the automobile oil level sensor to measure oil qualities with different dielectric constants can be effectively improved and meanwhile the reliability is enhanced; and various digital signals can be output directly, thus facilitating realization of digital communication.
Description
Technical field
The utility model relates to a kind of fuel level sensor, is specifically related to a kind of totally digitilized condenser type automobile oil level sensor.
Background technology
At present automobile oil level sensor is commonly used has types such as float-type sensor, resistance sensor.The float-type sensor only is applicable to a kind of oil product of specific inductive capacity, and floating drum is unstable in fuel tank, the degree of accuracy that influence is measured; Resistance sensor is a kind of contact fuel-quantity transducer, in fuel tank, slides for a long time, and easy to wear, change in resistance is big, measures also out of true.
Summary of the invention
The utility model problem to be solved provides a kind of totally digitilized condenser type automobile oil level sensor; Can effectively improve the measurement of automobile oil level sensor for the differing dielectric constant oil product; Improve reliability simultaneously, can directly export multiple digital signal, be convenient to realize digital communication.
For realizing above-mentioned purpose, the technical scheme that the utility model is taked is:
A kind of totally digitilized condenser type automobile oil level sensor; Comprise insulation tube and the transmitter that is arranged on the insulation tube top, at least two electrodes are set in the said insulation tube, each electrode axially distributes along insulation tube successively; Isolate each other between each electrode; Said insulation tube arranged outside has metal tube, and metal tube top is provided with gas port, and the bottom is provided with delivery hole.
Said metal tube both sides are equipped with gas port and delivery hole.
Four electrodes are set in the said insulation tube.
The utility model is provided with at least two electrodes in insulation tube; Based on multielectrode capacitance technology, can effectively improve the measurement of automobile oil level sensor for the differing dielectric constant oil product, improve reliability simultaneously; Can directly export multiple digital signal, be convenient to realize digital communication.
Description of drawings
Fig. 1 the utility model structural representation.
Embodiment
As shown in Figure 1, a kind of totally digitilized condenser type automobile oil level sensor comprises insulation tube 1 and the transmitter 2 that is arranged on insulation tube 1 top; At least two electrodes 3 are set in the insulation tube 1, can be four, five or a plurality of electrode, each electrode 3 axially distributes along insulation tube 1 successively; Isolate each other between each electrode 3, electrode 3 is connected with transmitter 2 through lead 4 respectively, and insulation tube 1 arranged outside has metal tube 5; Both sides, metal tube 5 top are provided with gas port 6, and the both sides, bottom are provided with delivery hole 7.
During the utility model work, each electrode circulation drops into successively measures i.e. wherein one section measurement; All the other segment electrodes are in equipotential; The utility model can effectively improve the measurement of automobile oil level sensor for the differing dielectric constant oil product based on multielectrode capacitance technology, improves reliability simultaneously; Can directly export multiple digital signal, be convenient to realize digital communication.
Claims (3)
1. totally digitilized condenser type automobile oil level sensor; Comprise insulation tube and the transmitter that is arranged on the insulation tube top, it is characterized in that: at least two electrodes are set in the said insulation tube, and each electrode axially distributes along insulation tube successively; Isolate each other between each electrode; Said insulation tube arranged outside has metal tube, and metal tube top is provided with gas port, and the bottom is provided with delivery hole.
2. sensor according to claim 1 is characterized in that: said metal tube both sides are equipped with gas port and delivery hole.
3. sensor according to claim 1 is characterized in that: four electrodes are set in the said insulation tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205642158U CN202393456U (en) | 2011-12-30 | 2011-12-30 | Fully-digitalized capacitive automobile oil level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205642158U CN202393456U (en) | 2011-12-30 | 2011-12-30 | Fully-digitalized capacitive automobile oil level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393456U true CN202393456U (en) | 2012-08-22 |
Family
ID=46668372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205642158U Expired - Lifetime CN202393456U (en) | 2011-12-30 | 2011-12-30 | Fully-digitalized capacitive automobile oil level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393456U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222866A (en) * | 2015-09-14 | 2016-01-06 | 新乡市恒冠仪表有限公司 | A kind of condenser type intelligent boiler liquid level of steam drum meter |
| CN106323416A (en) * | 2016-09-23 | 2017-01-11 | 惠州华阳通用电子有限公司 | Capacitive oil mass measuring device |
-
2011
- 2011-12-30 CN CN2011205642158U patent/CN202393456U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222866A (en) * | 2015-09-14 | 2016-01-06 | 新乡市恒冠仪表有限公司 | A kind of condenser type intelligent boiler liquid level of steam drum meter |
| CN106323416A (en) * | 2016-09-23 | 2017-01-11 | 惠州华阳通用电子有限公司 | Capacitive oil mass measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
|
| CX01 | Expiry of patent term |