CN108195406A - A kind of ground spoiler folding detection sensor and its installation and detection method - Google Patents
A kind of ground spoiler folding detection sensor and its installation and detection method Download PDFInfo
- Publication number
- CN108195406A CN108195406A CN201711411848.3A CN201711411848A CN108195406A CN 108195406 A CN108195406 A CN 108195406A CN 201711411848 A CN201711411848 A CN 201711411848A CN 108195406 A CN108195406 A CN 108195406A
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- Prior art keywords
- probe
- spoiler
- ground
- magnetic target
- mounting bracket
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
Abstract
The invention discloses a kind of ground spoiler folding detection sensor and its installation and detection methods, and including probe, the lower periphery of probe is socketed with electric connector, and the top peripheral fixing sleeve of probe is connected to mounting bracket, and the mounting surface of mounting bracket is vertical plane；Probe inside top is boss, is fixed with circuit board assemblies on boss, Hall element is welded on circuit board assemblies；Magnetic target is provided with above probe, the lower surface of magnetic target is parallel with the upper surface popped one's head in；And SmCo magnet steel is provided in magnetic target；The center line of the probe is overlapped with the center line of magnetic target；The circuit board assemblies include electromagnetic induction circuit and conversion switch.The accurate detection opened or closed to ground spoiler is realized, improves the service life and reliability of detection device.
Description
Technical field
The invention belongs to aircraft floor spoiler actuator configurations technical fields；More particularly to a kind of ground spoiler folding
Detection sensor and its installation and detection method.
Background technology
Spoiler folding detection sensor in ground is used to detecting the on off state of each piece of ground spoiler, and by corresponding state
Flight control system is transmitted in the form of analog voltage signal.
Ground spoiler be for aircraft landing during destroy airplane ascensional force critical component, ground spoiler open and
Closing course provides power by ground spoiler actuator.Before take-off, pilot need to check that ground spoiler is opened, closed
Cheng Shunli and switch state signal transmit errorless；Ground spoiler must remain off during airflight, state
Signal need are real-time, are accurately transferred to flight control system；Spoiler must assure that smooth opening during aircraft landing, and will
Status signal the accurate transmission is to flight control system.
At present, Domestic Aircraft is essentially contact microswitch with ground spoiler folding condition detection device, the switch
For mechanical compression formula, from the point of view of long-term application effect and user feedback result, contact microswitch contact spring is vulnerable,
Reliability is low.Main cause is that switch contact spring is chronically at pressured state, pressure releases after ground spoiler is opened, bullet
Spring can not be sprung back in time, but it still exports ground spoiler closed state signal, makes a big impact to aerial mission.In addition,
Contact microswitch category pure mechanic structure part, there are the service life is low, environmental suitability is poor, installation and debugging are numerous and diverse, safeguards inconvenience etc.
Defect.
Invention content
The present invention provides a kind of ground spoiler folding detection sensor and its installation and detection methods, realize over the ground
The accurate detection that face spoiler opens or closes improves the service life and reliability of detection device.
The technical scheme is that：A kind of ground spoiler folding detection sensor, including popping one's head in, outside the lower part of probe
It encloses and is socketed with electric connector, the top peripheral fixing sleeve of probe is connected to mounting bracket, and the mounting surface of mounting bracket is vertical plane；It visits
Head inside top is boss, is fixed with circuit board assemblies on boss, Hall element is welded on circuit board assemblies；The top of probe
Magnetic target is provided with, the lower surface of magnetic target is parallel with the upper surface popped one's head in；And SmCo magnet steel is provided in magnetic target；In the probe
Heart line is overlapped with the center line of magnetic target；The circuit board assemblies include electromagnetic induction circuit and conversion switch.
Further, the features of the present invention also characterized in that：
Mounting bracket is fixed up by the top wherein popped one's head in by two thin nuts.
Ears locking plate is wherein provided between thin nut and mounting bracket.
Wherein SmCo magnet steel is embedded in the groove in magnetic target or SmCo magnet steel is arranged on the inside of magnetic target.
Wherein Hall element is correspondingly arranged with SmCo magnet steel.
Another technical solution of the present invention is the installation method of above-mentioned detection sensor, the mounting surface including mounting bracket
It is fixedly connected on wing support arm by multiple fixing screws, magnetic target is fixedly connected on ground spoiler by multiple fixing screws
In box section；And make magnetic target lower surface and probe upper surface parallel to each other, and with gap.
Further, the features of the present invention also characterized in that：
Mounting bracket is fixed up by the top wherein popped one's head in by two thin nuts；And two thin nuts and mounting bracket
Between be both provided with ears locking plate.
The present invention another technical solution be the detection method of above-mentioned detection sensor, including detection ground spoiler by
Closed state is to open method and detection ground spoiler by opening state to the method closed；The detection ground spoiler
By closed state to open method specifically, probe and the relative angular displacement of magnetic target gradually increase, what Hall element was experienced
Magnetic field intensity B reduces, and when B is less than magnetic induction intensity from large to small electromagnetic induction circuit output overturning point magnetic induction intensity
BRP, electromagnetic induction circuit output voltage switchs to high level from low level, and passes to conversion switch, conversion switch
Low level is received to the voltage change of high level, then detects ground spoiler by closed state to opening；The detection ground
Face spoiler by opening state to the method closed specifically, probe and the relative angular displacement of magnetic target are gradually reduced, Hall element
The magnetic field intensity B increases experienced, and when B changes from small to big more than magnetic induction intensity electromagnetic induction circuit output overturning point magnetic
Induction BOP, electromagnetic induction circuit output voltage switchs to low level from high level, and passes to conversion switch, switch
Conversion circuit receives high level to low level voltage change, then detects ground spoiler by opening state to closing.
Compared with prior art, the beneficial effects of the invention are as follows：The device can avoid push type microswitch reliability
The defects of difference, not easy care and short life；The device is converted by accurately measuring the angular displacement between magnetic target and Hall element,
And electromagnetic change is converted to by voltage signal variation output by electromagnetic induction circuit, so as to which conversion switch is according to above-mentioned
Voltage signal variation acquisition ground spoiler opens or closes state；；The power attenuation of the sensor, can less than 1W simultaneously
Output in time is stablized, reliable ground spoiler status signal, is provided reliable reference data for pilot, is improved flight safety
Property and reliability；The sensor can avoid the drawbacks of aerial false-alarm, reduce aircraft accident probability, avoid causing because of false-alarm
Delayed flight is maked a return voyage.
Further, the family of installation is fixed by using ears locking plate and thin nut, pacifies the sensor
Dress is convenient, easy to maintain；It can be suitable for the aircraft of various ground spoiler on off states detection, be equally applicable to other structures
Relative angular displacement switching value.
Beneficial effects of the present invention also reside in：The sensor is fixedly mounted on by wing support arm by mounting bracket and magnetic target
Between the spoiler of ground, the installation of the sensor is completed, installation is simple, easy to maintain.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is sectional view of the present invention；
Fig. 3 is the mounting structure schematic diagram of the present invention；
Fig. 4 is sensor circuit magnetoelectricity transfer characteristic figure in the present invention；
Fig. 5 is operation principle schematic diagram of the present invention.
In figure：1 is magnetic target；2 be ears locked spacer；3 be thin nut；4 be probe；5 be electric connector；6 be installation branch
Frame；7 be SmCo magnet steel；8 be Hall element；9 be circuit board assemblies；10 be ground spoiler box section；11 be wing support arm；12 are
Boss.
Specific embodiment
Technical scheme of the present invention is further illustrated in the following with reference to the drawings and specific embodiments.
The present invention provides a kind of ground spoiler folding detection sensor, as shown in Figure 1, including probe 4,4 are popped one's head in
Lower periphery is socketed with electric connector 5, and the 4 top peripheral fixing sleeve of popping one's head in is connected to mounting bracket 6, and there are one the tools of mounting bracket 6
Vertical mounting surface；4 ends pop one's head in as horizontally disposed boss 12, the top of boss 12 is provided with magnetic target 1, and under magnetic target 1
Surface is arranged in parallel with boss 12, and has certain interval between it.
Wherein as shown in Fig. 2, being provided with SmCo magnet steel 7 in magnetic target 1.Preferably, SmCo magnet steel 7 is embedded in magnetic target 1
Groove in or be disposed inside magnetic target 1.Circuit board assemblies 9, circuit board assemblies 9 are wherein fixed with inside boss 12
On be welded with Hall element 8, Hall element 8 is oppositely arranged with SmCo magnet steel 7；Wherein circuit board assemblies 9 include electromagnetic induction electricity
Road and conversion switch.
Preferably, as shown in the figures 1 and 2, it is also socketed there are two thin nut 3 on probe 4, two thin nuts 3 to be separately positioned on
Above and below mounting bracket 6, for mounting bracket 6；And it is provided with ears between thin nut 3 and mounting bracket 6
Locked spacer 2, ears locking plate 2 can prevent mounting bracket 6 from loosening, and thin nut 3 can be to mounting bracket 6 by helicitic texture
It is fastened.
The operation principle of detection sensor of the present invention is；As shown in figure 4, supply voltage is by giving probe 4, electricity after filtering
Magnetic conduction circuitry and conversion switch power supply；Wherein when Hall element 8 senses the relative angular displacement of magnetic target 1, so as to generate
The electromagnetic change is converted to voltage change by electromagnetic change, electromagnetic induction circuit, and by amplification, relatively after determine whether
Generation for ground spoiler opens or closes closed state, and send its state by conversion switch, is looked into for pilot
It sees.Wherein the angular displacement of magnetic target 1 derives from ground spoiler pivoting, therefore magnetic target 1 needs to be mounted on the spoiler of ground,
For obtaining the angular displacement of its rotation.
The present invention also provides the installation method of above-mentioned detection sensor, as shown in figure 3, the mounting surface that mounting bracket 6 is vertical
It is fixedly connected on wing support arm 11 by multiple fixing screws, magnetic target 1 is fixedly connected on ground by multiple fixing screws and disturbs
In flowing plate box section 10, and the lower surface of magnetic target 1 and boss 12 is arranged in parallel.Two of which thin nut 3 and corresponding ears
Locking plate 2 is fastened on the upper and lower sides of mounting bracket 6.
The present invention also provides the detection methods of above-mentioned detection sensor：Including detection ground spoiler by closed state to
The method and detection ground spoiler of opening are by opening state to the method closed.
Wherein detection ground spoiler by closed state to opens method, the relative angular displacement including probe and magnetic target by
Cumulative big, i.e. from off state to open process, the magnetic field intensity B that Hall element is experienced subtracts for ground spoiler pivoting
It is small, and when B is less than magnetic induction intensity from large to small electromagnetic induction circuit output overturning point magnetic induction density BRP, such as Fig. 4 institutes
Show, electromagnetic induction circuit output voltage is from low level VLSwitch to high level VH, and conversion switch is passed to, switch conversion
Circuit receives VLTo VHVoltage change, then detect ground spoiler by closed state to open.
Wherein detection ground spoiler by opening state to close method, including probe and magnetic target relative angular displacement by
Decrescence small, specific ground spoiler pivoting makes its process from opening state to closed state, and Hall element is experienced
Magnetic field intensity B increases, and the magnetic induction of electromagnetic induction circuit output overturning point is strong when B changes from small to big more than magnetic induction intensity
Spend BOP, as shown in figure 4, electromagnetic induction circuit output voltage is from high level VHSwitch to low level VL, and pass to switch conversion
Circuit, conversion switch receive VHTo VLVoltage change, then detect ground spoiler by opening state to close.
Claims (8)
1. a kind of ground spoiler folding detection sensor, which is characterized in that including popping one's head in (4), the lower periphery set of probe (4)
Electric connector (5) is connected to, the top peripheral fixing sleeve of probe (4) is connected to mounting bracket (6), and the mounting surface of mounting bracket (6) is
Vertical plane；Probe (4) inside top is boss (12), and circuit board assemblies (9), circuit board assemblies (9) are fixed on boss (12)
On be welded with Hall element (8)；Magnetic target (1), the lower surface of magnetic target (1) and the upper table of probe (4) are provided with above probe (4)
Face is parallel；And SmCo magnet steel (7) is provided in magnetic target (1)；The center line of the probe (4) is overlapped with the center line of magnetic target (1)；
The circuit board assemblies (9) include electromagnetic induction circuit and conversion switch.
2. spoiler folding detection sensor in ground according to claim 1, which is characterized in that the upper of (4) of popping one's head in
Mounting bracket (6) is fixed up by portion by two thin nuts (3).
3. spoiler folding detection sensor in ground according to claim 2, which is characterized in that the thin nut (3) with
Ears locking plate (2) is provided between mounting bracket (6).
4. spoiler folding detection sensor in ground according to claim 1, which is characterized in that the SmCo magnet steel (7)
In the groove being embedded in magnetic target (1) or SmCo magnet steel (7) is arranged on the inside of magnetic target (1).
5. spoiler folding detection sensor in ground according to claim 4, which is characterized in that the Hall element (8)
It is correspondingly arranged with SmCo magnet steel (7).
6. a kind of installation method of detection sensor as described in claim 1, which is characterized in that including mounting bracket (6)
Mounting surface is fixedly connected on by multiple fixing screws on wing support arm (11), and magnetic target (1) is fixed by multiple fixing screws to be connected
It is connected in ground spoiler box section (10)；And make magnetic target (1) lower surface and probe (4) upper surface parallel to each other, and between having
Gap.
7. the installation method of detection sensor according to claim 6, which is characterized in that the top of the probe (4) leads to
It crosses two thin nuts (3) mounting bracket (6) is fixed up；And it is both provided between two thin nuts (3) and mounting bracket (6)
Ears locking plate (2).
8. a kind of detection method of detection sensor as described in claim 1, which is characterized in that including detecting ground spoiler
By closed state to open method and detection ground spoiler by opening state to the method closed；
The detection ground spoiler is by closed state to open method specifically, probe (4) and the relative angle position of magnetic target (1)
Gradually increase is moved, magnetic field intensity B that Hall element (8) is experienced reduces, and the electromagnetism when B is less than magnetic induction intensity from large to small
The magnetic induction density B of sensor circuit output switching activity pointRP, electromagnetic induction circuit output voltage switchs to high level from low level, and
Conversion switch is passed to, conversion switch receives low level to the voltage change of high level, then detects that ground is disturbed
Flowing plate is by closed state to opening；
The detection ground spoiler is by opening state to the method closed specifically, probe (4) and the relative angle position of magnetic target (1)
Shifting is gradually reduced, magnetic field intensity B that Hall element (8) is experienced increase, and the electromagnetism when B changes from small to big more than magnetic induction intensity
The magnetic induction density B of sensor circuit output switching activity pointOP, electromagnetic induction circuit output voltage switchs to low level from high level, and
Conversion switch is passed to, conversion switch receives high level to low level voltage change, then detects that ground is disturbed
Flowing plate is by opening state to closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411848.3A CN108195406B (en) | 2017-12-23 | 2017-12-23 | Opening and closing detection sensor of ground spoiler and installation and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411848.3A CN108195406B (en) | 2017-12-23 | 2017-12-23 | Opening and closing detection sensor of ground spoiler and installation and detection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108195406A true CN108195406A (en) | 2018-06-22 |
| CN108195406B CN108195406B (en) | 2020-04-07 |
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ID=62583811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711411848.3A Active CN108195406B (en) | 2017-12-23 | 2017-12-23 | Opening and closing detection sensor of ground spoiler and installation and detection method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN108195406B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4032087A (en) * | 1975-02-18 | 1977-06-28 | Cleaves Prentiss B | Aircraft spoiler system |
| JPH07117733A (en) * | 1993-10-27 | 1995-05-09 | Kanto Auto Works Ltd | Rear spoiler for automobile |
| US20140239126A1 (en) * | 2013-02-28 | 2014-08-28 | Mitsubishi Aircraft Corporation | Drive system for ground spoiler, and aircraft |
| US8909393B2 (en) * | 2013-04-16 | 2014-12-09 | Ge Aviation Systems Limited | Methods for predicting a speed brake system fault |
| CN104828154A (en) * | 2015-04-16 | 2015-08-12 | 浙江理工大学 | Adjustable spoiler device |
-
2017
- 2017-12-23 CN CN201711411848.3A patent/CN108195406B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4032087A (en) * | 1975-02-18 | 1977-06-28 | Cleaves Prentiss B | Aircraft spoiler system |
| JPH07117733A (en) * | 1993-10-27 | 1995-05-09 | Kanto Auto Works Ltd | Rear spoiler for automobile |
| US20140239126A1 (en) * | 2013-02-28 | 2014-08-28 | Mitsubishi Aircraft Corporation | Drive system for ground spoiler, and aircraft |
| US8909393B2 (en) * | 2013-04-16 | 2014-12-09 | Ge Aviation Systems Limited | Methods for predicting a speed brake system fault |
| CN104828154A (en) * | 2015-04-16 | 2015-08-12 | 浙江理工大学 | Adjustable spoiler device |
Non-Patent Citations (1)
| Title |
|---|
| 肖飞: "民机地面扰流板伸出自动控制逻辑研究及对飞行安全影响分析", 《民用飞机设计与研究》 * |
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| Publication number | Publication date |
|---|---|
| CN108195406B (en) | 2020-04-07 |
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