CN106768605B - A kind of pressure measuring unit of porous probe - Google Patents
A kind of pressure measuring unit of porous probe Download PDFInfo
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- CN106768605B CN106768605B CN201611140639.5A CN201611140639A CN106768605B CN 106768605 B CN106768605 B CN 106768605B CN 201611140639 A CN201611140639 A CN 201611140639A CN 106768605 B CN106768605 B CN 106768605B
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- pressure
- side opening
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- airtight member
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
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Abstract
The invention patent belongs to aviation pressure measurement technology field, it is related to a kind of air circuit connection executing agency, especially a kind of pressure measuring unit of porous probe, the pressure measurement for atmosphere data probe, including handle, the pressure delivery port of side opening, nut, screw, upper positioning fixed frame, lower positioning fixed frame, outer cylinder, the pressure delivery port of stagnation pressure.A kind of pressure measuring unit of porous probe of the present invention, suitable for pressure conveying of the porous probe of aviation air data system in ground test, has the characteristics that light-weight, small in size, easy to use and reliable, good airproof performance, and probe own profile feature location can be effectively utilized, different pressures are conveyed to different pressures hole simultaneously, solving the problems, such as can not be to the pressure port conveying different pressures on same section, its structure is simple, manufacturing cost is low, series of products can be done according to the difference of probe shape, application easy to spread has larger practical value.It can be widely applied to aviation field.
Description
Technical field
The invention patent belongs to aviation pressure measurement technology field, is related to a kind of air circuit connection executing agency, and especially one
The pressure measuring unit of the porous probe of kind, the pressure measurement for atmosphere data probe.
Background technique
Aircraft air data system generally comprises multiple atmosphere data probes, these probes protrude from fuselage surface, pop one's head in
Front end is provided with circular hole, for measuring stagnation pressure, in addition, probe on can also be provided with multiple pressure ports, for measuring, static pressure, the angle of attack,
Yaw angle etc..When atmosphere data probe carry out ground performance test or be mounted on aircraft carry out ground performance detection when, need
Resolve whether atmosphere data parameter meets aeroplane performance requirement to pressure port conveying air pressure.Currently, for containing the angle of attack, sideslip
The porous probe of angle pressure port can only convey identical pressure to these pressure ports when ground test, cannot complete testing product
The atmospheric parameter of resolving, traditional pressure measuring unit is as shown in Figure 1, be primarily present following problems: pressure is transported to by pressure inlet
One ring packing is intracavitary, and the atmosphere data pressure of pressure port input on same section of popping one's head in is identical, can not be on same section
Pressure port convey different pressure.So needing a kind of survey pressure that can convey different pressures to multiple pressure ports of porous probe
Device.
Summary of the invention
Goal of the invention: a kind of survey of porous probe that different pressures can be conveyed to multiple pressure ports of porous probe is provided
Pressure device.
Technical solution: a kind of pressure measuring unit of porous probe, for carrying out survey pressure, the porous probe to porous probe 11
Pitot hole 16 is arranged in the front end of 11 pyramidal portion, and the upper and lower position of pyramidal portion is provided with lateral pressure hole 17, pressure measuring unit packet
Include handle 1, the pressure delivery port 2 of side opening, nut 3, screw 4, upper positioning fixed frame 5, lower positioning fixed frame 6, outer cylinder 7, always
The pressure delivery port 8 of pressure, upper positioning fixed frame 5 are located at the top of porous probe 11, the upper table in type face and porous probe 11
Face type face is consistent, and lower positioning fixed frame 6 is located at the lower section of porous probe 11, the lower surface type face one in type face and porous probe 11
It causes, screw 4 is fixed by upper positioning fixed frame 5 and lower positioning fixed frame 6, and positioning pin 10, outer cylinder 7 are housed on lower positioning fixed frame 6
On be provided with location hole, left side of the outer cylinder 7 loaded on lower positioning fixed frame 6, location hole and the cooperation of positioning pin 10 on outer cylinder 7 are determined
Position makes outer cylinder 7 connect and fix with lower positioning fixed frame 6 by rotary nut 3, and the left side of outer cylinder 7 is provided with the pressure of stagnation pressure
Delivery port 8, about 7 two sides of outer cylinder are respectively arranged with the pressure delivery port 2 of side opening, and the pressure that side opening is arranged in handle 1 is defeated
The outside of sending end mouth 2, handle are connected with the side opening airtight member 12 in the pressure delivery port 2 of side opening, and rotating handle 1 realizes side
Hole airtight member 12 being lifted and putting down.
The pressure delivery port 8 of the stagnation pressure includes stagnation pressure pressure inlet 8a, stagnation pressure fixed cylinder 8b, spring 13, O-ring seals
14, stagnation pressure airtight member 15, stagnation pressure pressure inlet 8a is fixed with stagnation pressure fixed cylinder 8b, and one end of stagnation pressure airtight member 15 is inner cone
Face, angle is consistent with 11 front end male cone (strobilus masculinus) angles of porous probe, and vulcanizes and have a rubber seal, and 15 sets of stagnation pressure airtight member exists
The outside of stagnation pressure pressure inlet 8a can simultaneously move left and right, when pressure measuring unit is installed in place, the end face of porous probe pitot hole 16
Contacted with the end face stagnation pressure pressure inlet 8a, spring 13 provide elastic force by 15 conical surface of stagnation pressure airtight member rubber seal with it is porous
11 conical surfaces of popping one's head in fit closely realize it is airtight, it is real by O-ring seals 14 between stagnation pressure airtight member 15 and stagnation pressure pressure inlet 8a
It is existing airtight.
The pressure delivery port 2 of the side opening further includes side opening pressure inlet 2a, side opening fixed cylinder 2b, spring 13, the sealing of O shape
Circle 14, side opening pressure inlet 2a is fixed with side opening fixed cylinder 2b, and one end of side opening airtight member 12 is type face, type face with it is corresponding
17 peripheral profiles of lateral pressure hole are consistent, and vulcanization has rubber seal, and 12 sets of side opening airtight member in the outer of side opening pressure inlet 2a
Portion can simultaneously move up and down, and when handle 1 is in a horizontal position, side opening airtight member 12 is in lifting status, when pressure measuring unit is pacified
After being attached to position, rotational handle 1 puts down side opening airtight member 12, and spring 13 provides elastic force for the rubber on 12 type face of side opening airtight member
Glue sealing ring and 11 lateral pressure hole of porous probe, 17 peripheral profiles, which fit closely, to be realized airtight, and side opening airtight member 12 connects with side opening
Between ozzle 2a by O-ring seals 14 realize it is airtight.
Equipped with the liner 9 for avoiding porous probe 11 from scratching inside outer cylinder 7, liner 9 is made of nonmetallic materials.
The utility model has the advantages that a kind of pressure measuring unit of porous probe of the present invention, is suitable for the porous probe of aviation air data system
Pressure conveying in ground test, has the characteristics that light-weight, small in size, easy to use and reliable, good airproof performance, and can be effective
Ground conveys different pressures using probe own profile feature location, while to different pressures hole, and solving can not be to same section
On pressure port convey different pressures the problem of, structure is simple, and manufacturing cost is low, can according to probe shape difference do series
Product, application easy to spread have larger practical value.It can be widely applied to aviation field.
Detailed description of the invention
Fig. 1 is traditional pressure measuring unit structural schematic diagram
Fig. 2 is schematic structural view of the invention
Fig. 3 is sectional view of the present invention.
Wherein, it is fixed under fixed frame 6- to position on the pressure delivery port 3- nut 4- screw 5- of 1- handle 2- side opening
The pressure delivery port 8b- stagnation pressure fixed cylinder 8a- stagnation pressure pressure inlet 9- liner 10- of position fixed frame 7- outer cylinder 8- stagnation pressure is fixed
The position pin porous probe 12- side opening airtight member 13- spring 14-O shape sealing ring 15- stagnation pressure airtight member 16- stagnation pressure of 11-
Hole 17- lateral pressure hole.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing, please refers to Fig.1 to Fig.3.
As shown in Figure 1, being traditional pressure measuring unit, this is primarily present following problems: pressure is transported to one by pressure inlet
A ring packing is intracavitary, and the atmosphere data pressure of pressure port input on same section of popping one's head in is identical, can not be on same section
Pressure port conveys different pressure.
As shown in Figures 2 and 3, a kind of pressure measuring unit of porous probe, utilizes force balance principle and seal with O ring technology phase
In conjunction with air-tightness requirement is guaranteed, using probe surface-type feature positioning, the independence to different pressures hole gas source on porous probe is realized
Pressure detecting work is completed in conveying.The present apparatus includes handle 1, the pressure delivery port 2 of side opening, nut 3, screw 4, upper positioning
Fixed frame 5, lower positioning fixed frame 6, outer cylinder 7, the pressure delivery port 8 of stagnation pressure.
It is positioned using the type face and 11 positives of porous probe of upper positioning fixed frame 5 and lower positioning fixed frame 6, wherein
Upper positioning fixed frame 5 is located at the top of porous probe 11, and type face is consistent with the upper surface type face of porous probe 11, and it is fixed to can guarantee
Position position is correct, and lower positioning fixed frame 6 is located at the lower section of porous probe 11, the lower surface type face one in type face and porous probe 11
It causes, can guarantee that position location is correct, be secured together upper positioning fixed frame 5 and lower positioning fixed frame 6 finally by screw 4.
Positioning pin 10 is housed on lower positioning fixed frame 6, location hole is provided on outer cylinder 7, outer cylinder 7 is loaded on the lower front for positioning fixed frame 6, outside
Location hole and the cooperation of positioning pin 10 on cylinder 7 guarantee positioning, connect outer cylinder 7 simultaneously with lower positioning fixed frame 6 by rotary nut 3
It is fixed, the pressure delivery port 8 of pitot hole is installed before outer cylinder 7,7 side of outer cylinder is equipped with the pressure delivery port 2 of side opening,
Liner 9 is housed, and liner 9 is nonmetallic materials, avoids porous probe 11 being scratched when installation inside outer cylinder 7.
The pressure delivery port 8 of the pitot hole includes stagnation pressure pressure inlet 8a, stagnation pressure fixed cylinder 8b, spring 13, the sealing of O shape
Circle 14, stagnation pressure airtight member 15.Stagnation pressure pressure inlet 8a is fixed with stagnation pressure fixed cylinder 8b, and one end of stagnation pressure airtight member 15 is inner cone
Face, angle is consistent with 11 front end male cone (strobilus masculinus) angles of porous probe, and vulcanizes and have a rubber seal, and 15 sets of stagnation pressure airtight member exists
The outside of stagnation pressure pressure inlet 8a can be simultaneously moved forward and backward, when pressure measuring unit is installed in place, the end face of porous probe pitot hole 16
Just contacted with the end face stagnation pressure pressure inlet 8a, spring 13 provide elastic force by 15 conical surface of stagnation pressure airtight member rubber seal with
11 conical surfaces of porous probe fit closely, and guarantee is airtight, pass through O-ring seals between stagnation pressure airtight member 15 and stagnation pressure pressure inlet 8a
14 guarantees are airtight.
The pressure delivery port 2 of the side opening include side opening pressure inlet 2a, side opening fixed cylinder 2b, side opening airtight member 12,
Spring 13, O-ring seals 14.Side opening pressure inlet 2a is fixed with side opening fixed cylinder 2b, and one end of side opening airtight member 12 is type face,
Its type face is consistent with corresponding 17 peripheral profiles of lateral pressure hole, and vulcanization has rubber seal, and 12 sets of side opening airtight member in side
The outside of hole pressure inlet 2a can simultaneously move, and handle 1 is connected in the outside of side opening fixed cylinder 2b, and with side opening airtight member 12,
When handle 1 is in a horizontal position, side opening airtight member 12 is in lifting status, after pressure measuring unit is installed in place, rotational handle
1, side opening airtight member 12 is put down, spring 13 provides elastic force for the rubber seal and porous spy on 12 type face of side opening airtight member
17 peripheral profiles of first 11 lateral pressure hole fit closely, and guarantee is airtight, pass through O between side opening airtight member 12 and side opening pressure inlet 2a
Shape sealing ring 14 guarantees airtight.
Handle 1 is turned into horizontal position when dismantling pressure measuring unit, side opening airtight member 12 is lifted, then unscrews nut 3,
Outer cylinder 7 is removed, screw 4 is finally backed out, upper positioning fixed frame 5 and lower positioning fixed frame 6 are removed.
A kind of pressure measuring unit of porous probe of the present invention is suitable for the porous probe of aviation air data system in ground test
When pressure conveying, have the characteristics that light-weight, small in size, easy to use and reliable, good airproof performance, and probe can be effectively utilized
Own profile feature location, while different pressures are conveyed to different pressures hole, solving can not be to the pressure port on same section
The problem of conveying different pressures, structure is simple, and manufacturing cost is low, can do series of products according to the difference of probe shape, be easy to
It promotes and applies, there is larger practical value.It can be widely applied to aviation field.
Claims (2)
1. a kind of pressure measuring unit of porous probe, for carrying out survey pressure, the vertebra of the porous probe [11] to porous probe [11]
Pitot hole [16] are arranged in the front end of body portion, and the upper and lower position of pyramidal portion is provided with lateral pressure hole [17], which is characterized in that packet
It includes handle [1], the pressure delivery port [2] of side opening, nut [3], screw [4], upper positioning fixed frame [5], lower positioning fixed frame
[6], outer cylinder [7], the pressure delivery port [8] of stagnation pressure, upper positioning fixed frame [5] are located at the top of porous probe [11], type
Face is consistent with the porous probe upper surface type face of [11], and lower positioning fixed frame [6] is located at the lower section of porous probe [11], type face
Consistent with the porous probe lower surface type face of [11], screw [4] is fixed by upper positioning fixed frame [5] and lower positioning fixed frame [6],
Positioning pin [10] are housed on lower positioning fixed frame [6], location hole is provided on outer cylinder [7], outer cylinder [7] is loaded on lower positioning fixed frame
[6] left side, the location hole on outer cylinder [7] are positioned with positioning pin [10] cooperation, make outer cylinder [7] by rotary nut [3]
It is connect with lower positioning fixed frame [6] and fixed, the pressure delivery port [8] of stagnation pressure, outer cylinder [7] is provided on the left of outer cylinder [7]
Upper and lower two sides are respectively arranged with the pressure delivery port [2] of side opening, and the pressure delivery port [2] of side opening is arranged in handle [1]
Outside, handle [1] are connected with the side opening airtight member [12] in the pressure delivery port [2] of side opening, and rotating handle [1] realizes side
Hole airtight member [12] being lifted and putting down；
The pressure delivery port [8] of the stagnation pressure includes stagnation pressure pressure inlet [8a], stagnation pressure fixed cylinder [8b], spring [13], and O shape is close
Seal [14], stagnation pressure airtight member [15], stagnation pressure pressure inlet [8a] and stagnation pressure fixed cylinder [8b] are fixed, stagnation pressure airtight member [15]
One end be inner conical surface, angle is consistent with porous probe [11] front end male cone (strobilus masculinus) angle, and vulcanization have rubber seal, stagnation pressure
Airtight member [15] covers the outside in stagnation pressure pressure inlet [8a] and can move left and right, porous when pressure measuring unit is installed in place
The end face of probe pitot hole [16] is contacted with the end face stagnation pressure pressure inlet [8a], and spring [13] provides elastic force for stagnation pressure airtight member
[15] rubber seal on the conical surface and porous probe [11] conical surface, which fit closely, realizes airtight, stagnation pressure airtight member [15] and total
It crimps airtight by O-ring seals [14] realization between ozzle [8a]；
The pressure delivery port [2] of the side opening further includes side opening pressure inlet [2a], side opening fixed cylinder [2b], spring [13], O shape
Sealing ring [14], side opening pressure inlet [2a] and side opening fixed cylinder [2b] are fixed, and one end of side opening airtight member [12] is type face,
Type face is consistent with corresponding lateral pressure hole [17] peripheral profiles, and vulcanization has rubber seal, and side opening airtight member [12] covers
The outside of side opening pressure inlet [2a] simultaneously can move up and down, and when handle [1] is in a horizontal position, side opening airtight member [12] is in
Lifting status, after pressure measuring unit is installed in place, rotational handle [1] is put down side opening airtight member [12], and spring [13] provides bullet
Power by side opening airtight member [12] type face rubber seal and porous probe [11] lateral pressure hole [17] peripheral profiles it is close
Fitting realization is airtight, airtight by O-ring seals [14] realization between side opening airtight member [12] and side opening pressure inlet [2a].
2. a kind of pressure measuring unit of porous probe according to claim 1, which is characterized in that be equipped with and keep away inside outer cylinder [7]
Exempt from the liner [9] that porous probe [11] scratches, liner [9] is made of nonmetallic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611140639.5A CN106768605B (en) | 2016-12-12 | 2016-12-12 | A kind of pressure measuring unit of porous probe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611140639.5A CN106768605B (en) | 2016-12-12 | 2016-12-12 | A kind of pressure measuring unit of porous probe |
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| CN106768605A CN106768605A (en) | 2017-05-31 |
| CN106768605B true CN106768605B (en) | 2019-07-12 |
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| CN201611140639.5A Active CN106768605B (en) | 2016-12-12 | 2016-12-12 | A kind of pressure measuring unit of porous probe |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720671A (en) * | 2019-03-18 | 2020-09-29 | 成都飞机工业（集团）有限责任公司 | Novel L-shaped pressure sensor clamp |
| CN111122333B (en) * | 2019-12-06 | 2022-07-08 | 武汉航空仪表有限责任公司 | Multifunctional probe total pressure pipe pressurizing device |
| CN111024298B (en) * | 2019-12-24 | 2021-10-08 | 太原航空仪表有限公司 | Adjustable total pressure probe |
| CN112407331A (en) * | 2020-12-15 | 2021-02-26 | 西安飞机工业（集团）有限责任公司 | Pressurizing device and pressurizing method suitable for atmospheric data computer probe |
| CN113108981B (en) * | 2021-04-01 | 2023-05-26 | 安徽春辉仪表线缆集团有限公司 | Pressure measuring device for porous probe |
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| US4384469A (en) * | 1981-03-30 | 1983-05-24 | The United States Of America As Represented By The Secretary Of The Air Force | Pitot-static tube tester system |
| CN205237899U (en) * | 2015-12-24 | 2016-05-18 | 太原航空仪表有限公司 | Abnormal shape face airspeed tube sealing gas examines anchor clamps |
| CN205262673U (en) * | 2015-12-23 | 2016-05-25 | 太原航空仪表有限公司 | Airspeed tube static pressure test device |
| CN205352622U (en) * | 2015-12-22 | 2016-06-29 | 四川航空工业川西机器有限责任公司 | Total head static pressure tester seals anchor clamps |
| CN205679242U (en) * | 2016-06-08 | 2016-11-09 | 中国人民解放军海军航空工程学院 | A kind of aircraft survey height in situ tests the speed and uses pitot auxiliary test unit |
-
2016
- 2016-12-12 CN CN201611140639.5A patent/CN106768605B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4384469A (en) * | 1981-03-30 | 1983-05-24 | The United States Of America As Represented By The Secretary Of The Air Force | Pitot-static tube tester system |
| CN205352622U (en) * | 2015-12-22 | 2016-06-29 | 四川航空工业川西机器有限责任公司 | Total head static pressure tester seals anchor clamps |
| CN205262673U (en) * | 2015-12-23 | 2016-05-25 | 太原航空仪表有限公司 | Airspeed tube static pressure test device |
| CN205237899U (en) * | 2015-12-24 | 2016-05-18 | 太原航空仪表有限公司 | Abnormal shape face airspeed tube sealing gas examines anchor clamps |
| CN205679242U (en) * | 2016-06-08 | 2016-11-09 | 中国人民解放军海军航空工程学院 | A kind of aircraft survey height in situ tests the speed and uses pitot auxiliary test unit |
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| CN106768605A (en) | 2017-05-31 |
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