CN107238366A - Weather vane type angle of attack airspeed sensor protection device - Google Patents

Weather vane type angle of attack airspeed sensor protection device Download PDF

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Publication number
CN107238366A
CN107238366A CN201710382646.4A CN201710382646A CN107238366A CN 107238366 A CN107238366 A CN 107238366A CN 201710382646 A CN201710382646 A CN 201710382646A CN 107238366 A CN107238366 A CN 107238366A
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China
Prior art keywords
block
protection
protection block
attack
angle
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Granted
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CN201710382646.4A
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Chinese (zh)
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CN107238366B (en
Inventor
郑波
易翔
吴学才
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Chengdu CAIC Electronics Co Ltd
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Chengdu CAIC Electronics Co Ltd
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Priority to CN201710382646.4A priority Critical patent/CN107238366B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00Measuring angles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00Aircraft indicators or protectors not otherwise provided for
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24Housings ; Casings for instruments
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The present invention discloses a kind of weather vane type angle of attack airspeed sensor protection device, it is desirable to provide a kind of convenient mounting and clamping, transports reliable protection device, the technical scheme is that:The side openend of the first half arc connectors is fixedly connected with the first guard member and its first flipping block; opposite side openend is fixedly connected with the second protection block, and the first protection block and the second protection block are connected with the first half arc connector with the two ends of axis parallel respectively;The second half arc connector side openends are fixedly connected with the second guard member and its second flipping block;3rd protection block and the second protection block are located at the opposite sides of the right angle of attack or right yaw angle respectively; 3rd protection block and the second protection block interfix; now rotate second flipping block; so that second flipping block fits with the described 3rd protection block; the opposite side located at the right angle of attack or right yaw angle is kept off together with the described second protection block, and second flipping block is fixed on the 3rd protection block.

Description

Weather vane type angle of attack airspeed sensor protection device
Technical field
The present invention relates to flight equipment technical field, more particularly to a kind of protection device of pitot weathercock.
Background technology
Pitot weathercock installed in aircraft tip center is divided to single weathercock and double two kinds of weathercocks, and single weather vane type angle of attack is passed Loaded on aircraft side more than sensor, and double weather vane type sensors are often combined with pitot, are installed on strut before the handpiece, The latter is the combination sensor of the angle of attack and yaw angle.Generally, weathercock is made up of a pair of angles of attack and a pair of yaw angle two parts, the angle of attack It is distributed in yaw angle in 90 degree in air speed tube axis line.Survey aircraft air speed and the instrument referred to as air speed for exporting corresponding electric signal Sensor or pitot.Pitot also turns into Pitot tube or stagnation pressure tube, is very important parameter measuring instrumentss on aircraft.In order to Prevent pitot weathercock to be damaged, during transport or after installation, before not taking off, be required for entering the pitot weathercock Row protection.Pitot typically uses electro-thermal anti-ice, due to can not for a long time be heated to pitot at ground, adds in pitot Circuit temperature sets Power control component to gradually rise electric current, the mounting temperature sensor generally in pitot.To be overheated Protection, it is to avoid burn out, heats in circuit in pitot and sets overtemperature relay to carry out overtemperature protection.In the prior art in order in fortune During defeated, or before installation is not taken off, circle is all located at using the cylindrical sleeve angle of attack and yaw angle on pitot weathercock In cylinder, to reach the purpose of protection pitot weathercock, but in use, the cylindrical sleeve protected mode is not easy to air speed manage-style Target clamping and transport.
The content of the invention
The purpose of the present invention is the presence of the weak point for being not easy to clamping and transport pitot weathercock for prior art, is carried For a kind of convenient mounting and clamping, reliable weather vane type angle of attack airspeed sensor protection device is transported.
The technical solution adopted for the present invention to solve the technical problems is that a kind of weather vane type angle of attack airspeed sensor protection is filled Put, including:It is distributed in a pair of weathercock guard members in the pitot pipe shaft both sides angle of attack or yaw angle and wraps up the pitot pipe The cylindrical sleeve of body, it is characterised in that:Described cylindrical sleeve is made up of half arc connector of two pieces of mutual pairings, wherein, first The side openend of half arc connector 113 is fixedly connected with the first guard member 11 and its by the first protection active link of block 111 First flipping block 21, opposite side openend is fixedly connected with the second protection block 112, the second guard member 12 and first guard member 11 The heart piles setting, the first half arc connectors 113 and the second half arc connectors(122)Bag is located at the pitot(230)On, First protection block(111)It is located at the opposite sides of the left angle of attack or left yaw angle respectively with the 4th protection block 124, and by institute State the first protection block(111)Interfixed with the described 4th protection block 124;;The second half side openends of arc connector 122 are consolidated The second guard member 12 and its second flipping block 22 by the 3rd protection active link of block 123 are associated with, accordingly, the described 3rd protects Protecting block 123 is longer than the described second protection block 112;3rd protection block 123 and second protection block 112 respectively be located at the right angle of attack or The opposite sides of right yaw angle, and the described 3rd protection block 123 and the second protection block 112 are interfixed, now turn Move second flipping block 22 so that second flipping block 22 fits with the described 3rd protection block 123, is protected with described second Protecting block 112 keeps off the opposite side located at the right angle of attack or right yaw angle together, and second flipping block 22 is fixed on described On 3rd protection block 123.
The present invention has the advantages that compared to prior art.
The first half arc connectors and the second half arc connectors 122 are wrapped on pitot by convenient mounting and clamping, the present invention, First protection block and the 4th protection block 124 are located to the opposite sides of the left angle of attack or left yaw angle respectively, and will be described First protection block and the 4th protection block 124 interfix, and are fitted by the first flipping block 21 with the first protection block, clamping It is convenient.
Transport is reliable, and the present invention keeps off the opposite side located at the left angle of attack or left yaw angle using the 4th protection block 124 together, and The 3rd protection protection of block 123 and second block is located to the opposite sides of the right angle of attack or right yaw angle respectively, and will be described 3rd protection block 123 and the second protection block are interfixed, and the second flipping block 22 is kept off located at described together with the second protection block The opposite side of the right angle of attack or right yaw angle, and second flipping block 22 is fixed on the 3rd protection block 123 so that institute The shape and the profile of weathercock component for stating protection device match, and are readily transported and clamping, solve cylindrical sleeve in the prior art If protected mode be not easy to the transport of pitot weathercock and the technical problem of clamping.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only some of the present invention Embodiment.
Fig. 1 is the stereogram of weather vane type angle of attack airspeed sensor protection device of the present invention.
Fig. 2 is Fig. 1 exploded view.
Fig. 3 is the structural representation of pitot weathercock.
Fig. 4 is the use state of Fig. 1 weather vane type angle of attack airspeed sensor protection devices with reference to figure.
In figure:11 first guard members, 12 second guard members, 21 first flipping blocks, 22 second flipping blocks, 111 first protections Block, 112 second protection blocks, 113 the first half arc connectors, 122 the second half arc connectors, 123 the 3rd protection blocks, 124 the Four protection blocks, 200 pitot weathercocks, 210 a pair of angles of attack, 220 a pair of yaw angles, 230 pitots.
Embodiment
Refering to Fig. 1, Fig. 2, in embodiment described below, a kind of weather vane type angle of attack airspeed sensor protection device, bag Include:It is distributed in a pair of weathercock guard members in the pitot pipe shaft both sides angle of attack or yaw angle and wraps up the circle of the pitot pipe shaft Jacket casing, the pitot weathercock 200 includes an offside of pitot 230, a pair of angles of attack 210 positioned at pipe shaft both sides and its rear Sliding angle 220, and angle between a pair of angles of attack 210 and a pair of yaw angles 220 is 90 degree.The angle of attack 210 and yaw angle 220 A pair of weathercocks are individually fixed on two sections of the pitot 230.Described cylindrical sleeve is connected by half arc of two pieces of mutual pairings Fitting is constituted, wherein, the side openend of the first half arc connectors 113 is fixedly connected with the first guard member 11 and its protected by first First flipping block 21 of the active link of protecting block 111, opposite side openend is fixedly connected with the second protection block 112, the first protection block 111 and second protection block 112 be connected respectively with the first half arc connector 113 with the two ends of axis parallel, and the The length of one protection block 111 is more than the length of the described second protection block 112;The second half side openends of arc connector 122 are consolidated The second guard member 12 and its second flipping block 22 by the 3rd protection active link of block 123 are associated with, accordingly, the described 3rd protects Protecting block 123 is longer than the described second protection block 112;3rd protection block 123 and second protection block 112 respectively be located at the right angle of attack or The opposite sides of right yaw angle, and the described 3rd protection block 123 and the second protection block 112 are interfixed, now turn Move second flipping block 22 so that second flipping block 22 fits with the described 3rd protection block 123, is protected with described second Protecting block 112 keeps off the opposite side located at the right angle of attack or right yaw angle together, and second flipping block 22 is fixed on described On 3rd protection block 123.
First guard member 11 includes the first protection block 111, second protection block and the first half arc connectors, and the first protection The protection of block 111 and second block 12 is connected with the first half arc connector with the two ends of axis parallel respectively.
Second guard member 12 includes the 3rd protection block the 123, the 4th protection block 124 and the second half arc connectors 122, and the Three protection blocks 123 and the 4th protection block 124 respectively with the second half arc connector 122 with axis parallel two End connection, the 3rd protection protection of block 123 and second block is located at the opposite sides of the right angle of attack or right yaw angle respectively, and mutually Fixed second flipping block 22 is turned in the same side of the described second protection block, and is fixed on the 3rd protection block 123 On.
First flipping block 21 is rotated with one end away from the first half arc connector on the described first protection block 111 to be connected Connect;
One end away from the second half arc connector 122, which is rotated, on second flipping block 22, with the described 3rd protection block 123 connects Connect;
Preferably, first flipping block 21 mutually splices with the described 4th protection block 124, and the second flipping block 22 is protected with described second Protecting block 112 is mutually spliced.
Preferably, the 3rd protection block 123 and the 4th protection block 124 is tabular, and the second half arc connectors 122 are half Arcuation.
Preferably, the shape and structure of second guard member 12 and the shape and structure of the first guard member 11 are identical, and And be centrosymmetric setting with first guard member.
The first half arc connectors and the second half arc connector 122 are wrapped on the pitot, the first protection The protection of block 111 and the 4th block 124 is located at the opposite sides of the left angle of attack or left yaw angle and interfixed respectively, and first protects The protection of protecting block 111 and the 4th block 124 is located at the opposite sides of the left angle of attack or left yaw angle respectively, and described first is protected Protecting block 111 and the 4th protection block 124 interfix.
First flipping block 21 turns to the same side of the 4th protection block 124, and is fixed on the first protection block 111 On, and the first flipping block 21 protects block 111 to fit with described first, and institute is located to be kept off together with the described 4th protection block 124 State the opposite side of the left angle of attack or left yaw angle.The 3rd protection protection block of block 123 and second is located at the right angle of attack or right side respectively The opposite sides at sliding angle, and the described 3rd protection block 123 and the second protection block are interfixed.Second flipping block 22 with The second protection block keeps off the opposite side located at the right angle of attack or right yaw angle together, and second flipping block 22 is fixed In the described 3rd protection block 123 on so that the shape of the protection device and the profile of weathercock component match, be readily transported with Clamping, to solve the protected mode that cylinder is arranged in the prior art, is not easy to the transport of the pitot weathercock and the skill of clamping Art problem.
First guard member 11 includes the first protection block 111 and second protection block 112 and the first half arc connectors 113, and The first protection protection block 112 of block 111 and second is tabular, and the first half arc connectors 113 are semiarc shape.The first protection block 111 and second protection block 112 be connected respectively with the first half arc connector 113 with the two ends of axis parallel, it is described The length of first protection block 111 is more than the length of the described second protection block 112.
Second guard member 12 includes the 3rd protection block 123 and the 4th protection block 124 and the second half arc connectors 122, its In, the 3rd protection protection of block 123 and the 4th block 124 respectively with the second half arc connector 122 with axis parallel Two ends are connected, and the length of the 3rd protection block 123 is more than the described 4th length for protecting block 124;3rd protection block 123 and the 4th Protection block 124 is tabular, and the second half arc connectors 122 are semiarc shape.
Away from the first half arc connector on first protection block 111 of the first flipping block 21 and the first guard member 11 113 one end rotates connection, and can be turned to the position fitted with the described first protection block 111.
Away from the second half arc connector on 3rd protection block 123 of the second flipping block 22 and the second guard member 12 122 one end rotates connection, and can be turned to the position fitted with the described second protection block 111.
In use, the second guard member 12 shown in Fig. 3 and the center of the first guard member 11 pile setting, the first half arcs Connector 113 and the second half arc connectors 122 bag are on the pitot 230, the first protection protection block of block 111 and the 4th 124 are located at the opposite sides of the left angle of attack or left yaw angle respectively, and the described first protection block 111 and the described 4th are protected Protecting block 124 interfixes.Because the described first protection block 111 is longer than the described 4th protection block 124, the first flipping block is now rotated 21 fit with the first protection block 111, with together with the 4th protection block 124 gear located at the another of the left angle of attack or left yaw angle Side, and the first flipping block 21 is fixed on the first protection block 111, accordingly, the 3rd protection protection block of block 123 and second 112 are located at the opposite sides of the right angle of attack or right yaw angle respectively, and the described 3rd protection block 123 and described second are protected Protecting block 112 interfixes.Because the described 3rd protection block 123 is longer than the described second protection block 112, now rotates described second and turn over Switch block 22 so that second flipping block 22 fits with the described 3rd protection block 123, to protect block 112 1 with described second Gear is played located at the right angle of attack or the opposite side of right yaw angle, and second flipping block 22 is fixed on the 3rd protection block On 123.
Refering to Fig. 4, pitot 230 is wrapped in by the first half arc connectors 113 and the second half arc connectors 122 On, the first protection protection of block 111 and the 4th block 124 is located at the opposite sides of the left angle of attack or left yaw angle respectively, and will The first protection block 111 and the 4th protection block 124 interfix, the first flipping block 21 and the described first protection block 111 Fit, to keep off the opposite side located at the left angle of attack or left yaw angle, the 3rd protection block together with the described 4th protection block 124 123 and second protect block 112 to be located at the opposite sides of the right angle of attack or right yaw angle respectively, and protect block by the described 3rd 123 and described second protect block 112 to interfix.
Although above-mentioned have been described for the preferred embodiments of the present invention, those skilled in the art once know substantially Creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to bag Include preferred embodiment and fall into having altered and changing for the scope of the invention.Obviously, those skilled in the art can be to this Invention carries out various changes and modification without departing from the spirit and scope of the present invention.So, if the present invention these modification and Modification belongs within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to comprising these changes and modification Inside.

Claims (10)

1. a kind of weather vane type angle of attack airspeed sensor protection device, including:It is distributed in the pitot pipe shaft both sides angle of attack or sideslip A pair of weathercock guard members at angle and the cylindrical sleeve for wrapping up the pitot pipe shaft, it is characterised in that:Described cylindrical sleeve is by two pieces The half arc connector composition of mutual pairing, wherein, the first half arc connectors(113)Side openend be fixedly connected with the first guarantor Guard(11)And its pass through the first protection block(111)First flipping block of active link(21), opposite side openend is fixedly connected with Two protection blocks(112), the second guard member(12)With first guard member(11)Center piles setting, the first half arc connectors (113)With the second half arc connectors(122)Bag is located at the pitot(230)On, the first protection block(111)With the 4th protection Block(124)It is located at the opposite sides of the left angle of attack or left yaw angle respectively, and block is protected by described first(111)With it is described 4th protection block(124)Interfix;The second half arc connectors(122)Side openend is fixedly connected with the second guard member(12)And It passes through the 3rd protection block(123)Second flipping block of active link(22), accordingly, the 3rd protection block(123)Compare institute State the second protection block(112)It is long;3rd protection block(123)With the second protection block(112)It is located at the right angle of attack or right side respectively The opposite sides at sliding angle, and protect block by the described 3rd(123)With the described second protection block(112)Interfix, now turn Move second flipping block(22)So that second flipping block(22)With the described 3rd protection block(123)Fit, it is and described Second protection block(112)Together gear located at the right angle of attack or right yaw angle opposite side, and by second flipping block(22) It is fixed on the 3rd protection block(123)On.
2. weather vane type angle of attack airspeed sensor protection device as claimed in claim 1, it is characterised in that:The pitot weathercock (200)Including pitot(230), a pair of angles of attack positioned at pipe shaft both sides(210)And its a pair of yaw angles at rear(220), and A pair of angles of attack(210)With a pair of yaw angles(220)Between angle be 90 degree.
3. weather vane type angle of attack airspeed sensor protection device as claimed in claim 1, it is characterised in that:Second guard member(12) Shape and structure and the first guard member(11)Shape it is identical with structure, and with first guard member(11)In center pair Claim to set.
4. weather vane type angle of attack airspeed sensor protection device as claimed in claim 1, it is characterised in that:First guard member(11) Including the first protection block(111), the second protection block and the first half arc connectors, and the first protection block(111)With the second protection Block(12)It is connected respectively with the first half arc connector with the two ends of axis parallel.
5. weather vane type angle of attack airspeed sensor protection device as claimed in claim 1, it is characterised in that:Second guard member(12) Including the 3rd protection block(123)With the 4th protection block(124)With the second half arc connectors(122), wherein, the 3rd protection block (123)With the 4th protection block(124)Respectively with the second half arc connector(122)The two ends of upper and axis parallel connect Connect, and the 3rd protection block(123)Length be more than the described 4th protection block(124)Length;3rd protection block(123)With the 4th Protect block(124)For tabular, the second half arc connectors(122)For semiarc shape.
6. weather vane type angle of attack airspeed sensor protection device as claimed in claim 1, it is characterised in that:First flipping block(21) With the 4th protection block(124)Mutually splice, the second flipping block(22)With the described second protection block(112)Mutually splice;Second flipping block (22)With the 3rd protection block(123)It is upper away from the second half arc connector(122)One end rotate connection.
7. weather vane type angle of attack airspeed sensor protection device as claimed in claim 1, it is characterised in that:First flipping block(21) With the first guard member(11)First protection block(111)It is upper away from the first half arc connector(113)One end rotate connect Connect, and can be turned to and the described first protection block(111)The position fitted.
8. weather vane type angle of attack airspeed sensor protection device as claimed in claim 1, it is characterised in that:The first protection block (111)With the second protection block(112)Respectively with the first half arc connector(113)The two ends of upper and axis parallel connect Connect, and the first protection block(111)Length be more than described second protection block(112)Length.
9. weather vane type angle of attack airspeed sensor protection device as claimed in claim 1, it is characterised in that:Rotate the first flipping block (21)With the first protection block(111)Fit, to protect block with the 4th(124)Gear is located at the left angle of attack or left yaw angle together Opposite side, and by the first flipping block(21)It is fixed on the first protection block(111)On, accordingly, the 3rd protection block(123) With the second protection block(112)It is located at the opposite sides of the right angle of attack or right yaw angle respectively, and block is protected by the described 3rd (123)With the described second protection block(112)Interfix.
10. weather vane type angle of attack airspeed sensor protection device as claimed in claim 1, it is characterised in that:Rotate described second Flipping block(22)So that second flipping block(22)With the described 3rd protection block(123)Fit, to be protected with described second Block(112)Together gear located at the right angle of attack or right yaw angle opposite side, and by second flipping block(22)It is fixed on institute State the 3rd protection block(123)On.
CN201710382646.4A 2017-05-26 2017-05-26 Wind vane type angle of attack airspeed sensor protection device Active CN107238366B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710382646.4A CN107238366B (en) 2017-05-26 2017-05-26 Wind vane type angle of attack airspeed sensor protection device

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CN107238366B CN107238366B (en) 2023-02-28

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CN109100530A (en) * 2018-06-09 2018-12-28 成都凯天电子股份有限公司 Pitot isolates and falls off protective case certainly

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US5833177A (en) * 1995-05-15 1998-11-10 The Boeing Company Autopilot/flight director overspeed protection system
US6457373B1 (en) * 1998-06-17 2002-10-01 Pruftechnik Dieter Busch Ag Shock protection device for position-measuring probes
US20040070751A1 (en) * 2002-10-09 2004-04-15 Roland Bergbach Protective apparatus for the monitoring of a protected zone to be moved with a component
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