CN202748107U - Oil level sensor for unmanned aerial vehicle - Google Patents
Oil level sensor for unmanned aerial vehicle Download PDFInfo
- Publication number
- CN202748107U CN202748107U CN 201220427016 CN201220427016U CN202748107U CN 202748107 U CN202748107 U CN 202748107U CN 201220427016 CN201220427016 CN 201220427016 CN 201220427016 U CN201220427016 U CN 201220427016U CN 202748107 U CN202748107 U CN 202748107U
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- Prior art keywords
- oil
- unmanned plane
- oil drum
- plane fuel
- quantity transducer
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Abstract
The utility model relates to an oil level sensor for an unmanned aerial vehicle, which comprises a sealed oil drum, wherein a floater with a magnet is mounted in the oil drum; a magnetoelectric sensor is mounted at the bottom of the oil drum; and an oil outlet and an oil inlet communicated with an oil tank of the unmanned aerial vehicle are formed in the upper end and the lower end of the oil drum. The oil level sensor for the unmanned aerial vehicle is small in size, low in cost, light in weight, convenient to mount, high in safety and low in energy consumption, the length of a connecting oil pipe can be adjusted, the oil level sensor is mounted in any position of a vehicle body, and no current flows in the oil tank.
Description
Technical field
The utility model relates to a kind of fuel-quantity transducer, specifically relates to the fuel-quantity transducer that a kind of unmanned spacecraft is used.
Background technology
Unmanned spacecraft is called for short " unmanned plane ", claims again unmanned vehicle, is the not manned aircraft that utilizes radio robot and the presetting apparatus of providing for oneself to handle.The civilian prospect of unmanned vehicle is very wide, can be used for the collecting work that carries out disaster or environmental monitoring, resource exploration, basis mapping, Flood Disaster Loss, landslide, the forest reserves and basis mapping picture are provided.
The domestic Small Civil aircraft of present stage China is generally take petrol engine as major impetus, and fuel is regular gasoline, generally adopts finished product to gather the third ethene fuel tank, the fuel tank small volume, and the reservoir port size is little, is difficult to install traditional oil float formula sensor.During flight, mostly adopt the empirical value of at ordinary times flight accumulation as the evaluation criteria of fuel consumption.Yet because the landform difference (height above sea level of various places, wind-force, humidity etc.), take-off weight and the speed of a ship or plane is different, great changes have taken place in the oil consumption meeting of the unmanned plane of same model, when causing the boat of the design aircraft that the operating personnel can only guard and voyage, guarantee the situation that unmanned plane can not occur running out of gas, in case because environmental evolution or fuel tank seepage, the assessed value error can be very large, might make aircraft fuel oil exhaust parking, aircraft is in unpowered state, brings the risk that can't estimate.
Summary of the invention
For the defective of prior art, the purpose of this utility model provides a kind of volume unmanned plane fuel-quantity transducer little, lightweight, simple in structure, easy for installation.
For reaching above-mentioned purpose, the utility model has adopted following technical scheme:
A kind of unmanned plane fuel-quantity transducer comprises a sealing oil drum, the float of installing magnet carrier in the oil drum, and magnetoelectric sensor is installed in the bottom, and the top and bottom of oil drum are respectively equipped with oil outlet and the oil supply hole that is connected with the unmanned plane fuel tank.
The utility model also can further be realized by the following technical programs:
Described unmanned plane fuel-quantity transducer, wherein, described oil drum upper end sets out oilhole, oil supply hole is established in the lower end, oil outlet and oil supply hole are connected with the unmanned plane fuel tank by pipeline, oil outlet is connected to the full oily position on unmanned plane fuel tank top, and oil supply hole is connected to the empty oily position of unmanned plane fuel tank bottom.
Described unmanned plane fuel-quantity transducer, wherein, described sealing oil drum comprises staving and oil drum cap, and the oil drum cap sealing is installed on the staving, and described oil outlet is opened on the oil drum cap.
Described unmanned plane fuel-quantity transducer, wherein, described float is the paulownia wood float, magnet is embedded in the bottom of paulownia wood float.
Described unmanned plane fuel-quantity transducer, wherein, described magnet is neodymium iron boron magnetic body.
Described unmanned plane fuel-quantity transducer, wherein, described magnetoelectric sensor is linear hall sensor.
Unmanned plane fuel-quantity transducer of the present utility model, put to put with empty oil level by pipeline and the full oil level of unmanned plane fuel tank and be connected, form linker with the unmanned plane fuel tank, the float of magnet carrier changes with oil mass in oil drum and moves up and down in the sealing oil drum, the magnitude of voltage of the electromagnetic sensor induction by the oil drum bottom and the relation between the position of magnet and float determine oil mass in the fuel tank how much.
After filling with fuel oil in the fuel tank, the liquid level of sealing oil drum flushes with fuel tank, and oil float rises thereupon.At this moment, neodymium-iron-boron magnetic material is away from Hall element, the Hall element output voltage values is low, can be set as full oil value by this magnitude of voltage, gradually the oil in the fuel tank be emitted, can gather the magnitude of voltage of different oil levels, when arriving certain position, oil float reaches oil drum bottom, and this moment, magnitude of voltage was the highest, can set this value and be oil quantity alarming voltage (alert locations and relevant voltage thereof can by the demand adjustment).During flight, the magnitude of voltage of above-mentioned diverse location sends to monitoring land station by the UAV Flight Control computing machine in real time by the radio station, and show with the oil meter form, can supply ground monitoring personnel reference, when arriving alert locations, chimes of doom is sent at the ground monitoring station automatically, takes corresponding measure to remind the staff.
Unmanned plane fuel-quantity transducer of the present utility model, volume is little, and is lightweight, and cost is low can adjust connected pipes length according to actual conditions, oil drum is placed in the optional position of fuselage.Change by oil level in the Hall element monitoring mailbox, reduce the error amount that oil level changes, reduce the generation of aircraft accident.And energy consumption is low, and no current passes through in the fuel tank, and security is higher.
Description of drawings
Fig. 1 is the structural representation that unmanned plane of the present utility model is used fuel-quantity transducer.
Fig. 2 is unmanned plane of the present utility model fuel-quantity transducer and unmanned plane oil tank connecting structure synoptic diagram (full oil condition).
Fig. 3 is unmanned plane of the present utility model fuel-quantity transducer and unmanned plane oil tank connecting structure synoptic diagram (empty oil condition).
Among the figure, 1-oil drum staving, 2-oil drum cap, 3-oil outlet, 4-oil supply hole, 5-float, 6-magnet, 7-electromagnetic sensor, 8-connected pipes, 9-unmanned plane fuel tank.
Embodiment
As shown in Figure 1, a kind of unmanned plane fuel-quantity transducer is comprised of sealing oil drum, float 5 and electromagnetic sensor 7.Float 5 is installed in the sealing oil drum staving 1, and its bottom is inlaid with magnet 6.Wherein float the best adopts the paulownia wood float, and magnet the best is selected neodymium iron boron magnetic body.The bottom of sealing oil drum staving 1 is equipped with electromagnetic sensor 7, and magnetic sensor the best is selected linear hall sensor.Upper end the best of oil drum is to set out oilhole 3 at the oil drum cap 2 that seals oil drum, and oil supply hole 4 is established in sealing oil drum staving 1 lower end, and oil outlet 3 and oil supply hole 4 are connected with unmanned plane fuel tank 9.
Shown in Fig. 2-3, an aperture is respectively opened in the empty oily position in full oily position and bottom at unmanned plane fuel tank 9 tops, connected pipes 8 is installed, and nozzle diameter can be done little as far as possible, changes measuring the generation error owing to attitude changes the oil level that causes in the mailbox during with the minimizing unmanned plane during flying.By connected pipes the full oily position of oil outlet 3 with unmanned plane fuel tank 9 tops linked to each other; The empty oily position of the bottom of oil supply hole 4 unmanned plane fuel tanks 9 is linked to each other.Thereby form linker between the sealing oil drum with unmanned plane fuel tank and fuel-quantity transducer.
When behind the unmanned plane tank filling, along with the increase of oil mass, oil level rises in the fuel tank, because fuel tank and sealing oil drum staving 1 are linkers, so oil level also begins to rise in the oil drum, float 5 drives magnet 6 and rises with liquid level, until the top of oil drum staving 1.At this moment, magnet 6 apart from the distance of electromagnetic sensor 7 farthest, the magnitude of voltage of electromagnetic sensor 7 outputs is minimum, and this numerical value is designated as full oil condition; Begin outside oil pumping with oil pump from the fuel tank fuel feed pump, fuel tank liquid level begins slow decreasing, float 5 also descends thereupon, magnet 6 moves closer to apart from electromagnetic sensor 7, the corresponding raising of magnitude of voltage of output, until float 5 reaches the bottom of oil drum staving 1, this moment, magnitude of voltage reached maximal value, in the float position in the said process and relevant voltage input flight-control computer, demarcate.During unmanned plane during flying, in the oil mass decline process, electromagnetic sensor 7 output voltage values send to land station by the radio station, and land station demonstrates corresponding oil mass position by software, for ground staff's reference.When arriving alert locations, chimes of doom is sent at the ground monitoring station automatically, takes corresponding measure to remind the staff.
The above is preferred embodiment of the present utility model only, is not that the utility model is done any pro forma restriction.Any change that is equal to, modification or differentiation etc. that all those skilled in the art utilize the technical solution of the utility model that above-described embodiment is made all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. unmanned plane fuel-quantity transducer is characterized in that:
Comprise a sealing oil drum, the float of installing magnet carrier in the oil drum, magnetoelectric sensor is installed in the bottom, and the top and bottom of oil drum are respectively equipped with oil outlet and the oil supply hole that is connected with the unmanned plane fuel tank.
2. unmanned plane fuel-quantity transducer according to claim 1 is characterized in that:
Described oil drum upper end sets out oilhole, and oil supply hole is established in the lower end, and oil outlet and oil supply hole are connected with the unmanned plane fuel tank by pipeline, and oil outlet is connected to the full oily position on unmanned plane fuel tank top, and oil supply hole is connected to the empty oily position of unmanned plane fuel tank bottom.
3. unmanned plane fuel-quantity transducer according to claim 1 is characterized in that:
Described sealing oil drum comprises staving and oil drum cap, and the oil drum cap sealing is installed on the staving, and described oil outlet is opened on the oil drum cap.
4. unmanned plane fuel-quantity transducer according to claim 1 is characterized in that:
Described float is the paulownia wood float, and magnet is embedded in the bottom of paulownia wood float.
5. unmanned plane fuel-quantity transducer according to claim 4 is characterized in that:
Described magnet is neodymium iron boron magnetic body.
6. arbitrary described unmanned plane fuel-quantity transducer according to claim 1-5 is characterized in that:
Described magnetoelectric sensor is linear hall sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220427016 CN202748107U (en) | 2012-08-24 | 2012-08-24 | Oil level sensor for unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220427016 CN202748107U (en) | 2012-08-24 | 2012-08-24 | Oil level sensor for unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202748107U true CN202748107U (en) | 2013-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220427016 Expired - Lifetime CN202748107U (en) | 2012-08-24 | 2012-08-24 | Oil level sensor for unmanned aerial vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN202748107U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014115173A2 (en) * | 2013-01-24 | 2014-07-31 | Pricol Limited | An apparatus for non-contact level sensing |
| CN105547417A (en) * | 2015-05-11 | 2016-05-04 | 王辉 | Liquid level sensor |
| CN105928569A (en) * | 2016-04-18 | 2016-09-07 | 广州极飞电子科技有限公司 | Method and device for detecting unmanned aerial vehicle sprinkling flow |
| CN108387297A (en) * | 2018-04-13 | 2018-08-10 | 哈尔滨德利亚电子科技有限公司 | Liquid level control system, liquid level sensor and its control system |
-
2012
- 2012-08-24 CN CN 201220427016 patent/CN202748107U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014115173A2 (en) * | 2013-01-24 | 2014-07-31 | Pricol Limited | An apparatus for non-contact level sensing |
| WO2014115173A3 (en) * | 2013-01-24 | 2014-12-24 | Pricol Limited | Apparatus for non-contact level sensing |
| CN105547417A (en) * | 2015-05-11 | 2016-05-04 | 王辉 | Liquid level sensor |
| CN105928569A (en) * | 2016-04-18 | 2016-09-07 | 广州极飞电子科技有限公司 | Method and device for detecting unmanned aerial vehicle sprinkling flow |
| CN108387297A (en) * | 2018-04-13 | 2018-08-10 | 哈尔滨德利亚电子科技有限公司 | Liquid level control system, liquid level sensor and its control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BEIJING SHUWEIXIANTU HIGH-TECH CO.,LTD. Assignor: Dong Tao Contract record no.: 2015370000113 Denomination of utility model: Oil level sensor for unmanned aerial vehicle Granted publication date: 20130220 License type: Exclusive License Record date: 20150707 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151221 Address after: 100000, Fengtai District, Beijing, a Garden District No. 2, building 2, 239 Patentee after: BEIJING SHUWEIXIANTU HIGH-TECH CO.,LTD. Address before: 102300 Beijing city Mentougou District No. 279 West store shop Patentee before: Dong Tao |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100000, Fengtai District, Beijing, a Garden District No. 2, building 2, 239 Patentee after: DIMENSION MAPPING HIGH TECH. CO.,LTD. Address before: 100000, Fengtai District, Beijing, a Garden District No. 2, building 2, 239 Patentee before: BEIJING SHUWEIXIANTU HIGH-TECH CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100067 room 13, 1301-1 room (Park), No. 18, District 18, district seventeen, South Fourth Ring Road, Fengtai District, Beijing Patentee after: AEROSPACE SHUWEI HIGH TECH. CO.,LTD. Address before: 100000, Fengtai District, Beijing, a Garden District No. 2, building 2, 239 Patentee before: DIMENSION MAPPING HIGH TECH. CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |