CN204405143U - Fuel level sensor - Google Patents
Fuel level sensor Download PDFInfo
- Publication number
- CN204405143U CN204405143U CN201520078965.2U CN201520078965U CN204405143U CN 204405143 U CN204405143 U CN 204405143U CN 201520078965 U CN201520078965 U CN 201520078965U CN 204405143 U CN204405143 U CN 204405143U
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- China
- Prior art keywords
- electrode
- oil
- housing
- alarm device
- signal processor
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- Expired - Fee Related
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a kind of fuel level sensor, comprise power supply and be arranged on capacitive transducer and the signal processor of enclosure interior, capacitive transducer comprises the first electrode and the second electrode, first electrode and the second electrode are tubulose and the first electrode internal diameter is greater than the second electrode, second electrode tip is sealed with top cover, second electrode sleeve is contained in the first electrode interior and is fixed on the base of housing, housing and the first electrode are formed with machine oil inflow entrance near bottom place, housing upper is also formed with oil-out, oil level lowest limit alarm device is circumferentially provided with along sidewall at the first electrode and the second electrode, oil level high limit alarm device is provided with at housing upper oil-out place, at housing oiler, place is provided with temperature sensor, signal processor is for exporting corresponding liquid level signal be sent to automobile instrument by the change in electric received, this structure of fuel level sensor is simple, cost is low, is realized the precision measure of automotive interior engine motor oil oil level by multiple monitoring.
Description
Technical field
The utility model relates to machine automotive sensor technology field, particularly a kind of fuel level sensor.
Background technology
Oil mass in motor car engine is the guarantee determining its continuous firing, thus must understand the oil mass of its inside at any time.
Summary of the invention
The purpose of this utility model is to provide that a kind of structure is simple, cost is low, realizes the fuel level sensor to the precision measure of automotive interior engine motor oil oil level by multiple monitoring.
For this reason, the technical solution of the utility model is as follows:
A kind of fuel level sensor, comprise power supply and be arranged on capacitive transducer and the signal processor of enclosure interior, described capacitive transducer comprises the first electrode and the second electrode, described first electrode and the second electrode are tubulose and described first electrode internal diameter is greater than described second electrode, described second electrode tip is sealed with top cover, described second electrode sleeve is contained in described first electrode interior and is fixed on the base of described housing, described housing and described first electrode are formed with machine oil inflow entrance near bottom place, machine oil is made to flow between described first electrode and the second electrode gap as dielectric, described housing upper is also formed with oil-out, oil level lowest limit alarm device is circumferentially provided with along sidewall at described first electrode and the second electrode, oil-out place in portion's is provided with oil level high limit alarm device on the housing, described housing oiler place is provided with temperature sensor.
When causing the change of electric capacity between sensor housing and induction electrode after machine oil enters container, therefore, utilization is monitored oil level to the mensuration of capacitance variation and is changed more accurate, in addition, due to engine motor oil electrical characteristics along with engine scuffing chip constantly increase and adjuvant decomposition and change, thus corresponding capacitance also can change.Thus, also can monitor the state of machine oil simultaneously.
Described signal processor is for receiving capacitance value variable signal, and the change in electric that described signal processor is experienced also is exported corresponding liquid level signal and is sent on automobile instrument.
Described signal processor also sends the electric signal of described signal processor to for receiving oil level lowest limit alarm device, oil level high limit alarm device and temperature sensor, and change described electric signal into data-signal, be sent on the automobile instrument that is electrically connected with described signal processor.
Described oil level lowest limit alarm device, oil level high limit alarm device is the most lowest limit of corresponding engine mailbox inner engine oil oil mass and the highest limit respectively, monitors the oil level precarious position of fuel tank inner engine oil.
Sealed compartment is provided with between described housing and described first electrode.
Compared with prior art, the beneficial effects of the utility model are: this fuel level sensor structure is simple, take machine oil as dielectric, by the change of the capacitance detected being changed liquid level signal, being also provided with oil level lowest limit alarm device, oil level high limit alarm device and temperature sensor, machine oil situation in engine mailbox is monitored, realizes the precision measure of engine oil level.
Accompanying drawing explanation
Fig. 1 is the cut-open view of fuel level sensor of the present utility model.
Embodiment
Be described in detail below in conjunction with the structure of accompanying drawing to fuel level sensor of the present utility model.
As shown in Figure 1, this fuel level sensor comprises power supply and is arranged on capacitive transducer and the signal processor 5 of housing 1 inside, described capacitive transducer comprises the first electrode 2 and the second electrode 3, described first electrode 2 and the second electrode 3 are tubulose and described first electrode 2 internal diameter is greater than described second electrode 3, described second electrode 3 end sealing has top cover, described second electrode 3 is sleeved on described first electrode 2 inside and is fixed on the base of described housing 1, sealed compartment is provided with between described housing 1 and described first electrode 2, described housing 1 is formed with machine oil inflow entrance with described first electrode 2 near bottom place, machine oil is made to flow between described first electrode 2 and the second electrode 3 gap as dielectric, described housing 1 top is also formed with oil-out, oil level lowest limit alarm device 4 is circumferentially provided with along sidewall at described first electrode 2 and the second electrode 3, oil level high limit alarm device 7 is provided with at oil-out place, described housing 1 top, described housing 1 oiler place is provided with temperature sensor 6, described signal processor 5 is for receiving capacitance value variable signal and oil level lowest limit alarm device 4, the high electric signal limitting alarm device 7 and temperature sensor 6 to send described signal processor 5 to of oil level, and change described electric signal into data-signal, be sent on the automobile instrument that is electrically connected with described signal processor 5.
Claims (2)
1. a fuel level sensor, comprise power supply and be arranged on the inner capacitive transducer of housing (1) and signal processor (5), it is characterized in that, described capacitive transducer comprises the first electrode (2) and the second electrode (3), described first electrode (2) and the second electrode (3) are tubulose and described first electrode (2) internal diameter is greater than described second electrode (3), described second electrode (3) end sealing has top cover, described second electrode (3) is sleeved on described first electrode (2) inside and is fixed on the base of described housing (1), described housing (1) is formed with machine oil inflow entrance with described first electrode (2) near bottom place, machine oil is made to flow between described first electrode (2) and the second electrode (3) gap as dielectric, described housing (1) top is also formed with oil-out, oil level lowest limit alarm device (4) is circumferentially provided with along sidewall described first electrode (2) and the second electrode (3), oil level high limit alarm device (7) is provided with at oil-out place, described housing (1) top, described housing (1) oiler place is provided with temperature sensor (6),
Described signal processor (5) sends the electric signal of described signal processor (5) to for receiving capacitance value variable signal and described oil level lowest limit alarm device (4), described oil level high limit alarm device (7) and described temperature sensor (6), and change described electric signal into data-signal, be sent on the automobile instrument that is electrically connected with described signal processor (5).
2. fuel level sensor according to claim 1, is characterized in that, is provided with sealed compartment between described housing (1) and described first electrode (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520078965.2U CN204405143U (en) | 2015-02-04 | 2015-02-04 | Fuel level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520078965.2U CN204405143U (en) | 2015-02-04 | 2015-02-04 | Fuel level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204405143U true CN204405143U (en) | 2015-06-17 |
Family
ID=53428994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520078965.2U Expired - Fee Related CN204405143U (en) | 2015-02-04 | 2015-02-04 | Fuel level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204405143U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225876A (en) * | 2016-08-18 | 2016-12-14 | 四川泛华航空仪表电器有限公司 | Condenser type temperature-compensating level measurement sensor |
| CN107954056A (en) * | 2017-12-12 | 2018-04-24 | 无锡市飞天油脂有限公司 | A kind of lubricating oil storing barrel for monitoring internal state |
| CN108458110A (en) * | 2018-05-02 | 2018-08-28 | 隆鑫通用动力股份有限公司 | A kind of seal assembly and generator |
-
2015
- 2015-02-04 CN CN201520078965.2U patent/CN204405143U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225876A (en) * | 2016-08-18 | 2016-12-14 | 四川泛华航空仪表电器有限公司 | Condenser type temperature-compensating level measurement sensor |
| CN106225876B (en) * | 2016-08-18 | 2023-05-09 | 四川泛华航空仪表电器有限公司 | Capacitive temperature compensation oil level measuring sensor |
| CN107954056A (en) * | 2017-12-12 | 2018-04-24 | 无锡市飞天油脂有限公司 | A kind of lubricating oil storing barrel for monitoring internal state |
| CN108458110A (en) * | 2018-05-02 | 2018-08-28 | 隆鑫通用动力股份有限公司 | A kind of seal assembly and generator |
| CN108458110B (en) * | 2018-05-02 | 2024-02-27 | 隆鑫通用动力股份有限公司 | Sealing assembly and generator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20160204 |