CN105333827A - Ice thickness real-time measuring device for deicing experiment - Google Patents
Ice thickness real-time measuring device for deicing experiment Download PDFInfo
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- CN105333827A CN105333827A CN201510616107.3A CN201510616107A CN105333827A CN 105333827 A CN105333827 A CN 105333827A CN 201510616107 A CN201510616107 A CN 201510616107A CN 105333827 A CN105333827 A CN 105333827A
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- brassboard
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
Abstract
The invention discloses an ice thickness real-time measuring device for a deicing experiment in order to solve a problem that a conventional method for verifying an ice moving and preventing effect has large measurement errors when measuring a change in the ice thickness by using a measuring tape before and after an ice-preventing device is turned on, and cannot capture a micro change in the ice thickness in real time in an icing process. The ice thickness real-time measuring device uses self refrigeration. Spray sprayed by a spray nozzle is ice. A supporting plate reserves space for an ice moving and preventing device. Fiber sensors are arranged in a staggered manner in the vertical direction. Thus, a thickness change in the ice on an experimental plate is measured in real time and the measurement range of the ice thickness is effectively increased. The ice thickness real-time measuring device is reasonable in design, ingenious in concept, easy to use, and capable of measuring thickness change data of the ice on the experimental plate in real time before and after the ice moving and preventing device is turned on, provides favorable technical support for the development and effect evaluation of the ice moving and preventing device, and has good application prospect.
Description
Technical field
The present invention relates to icing mensuration field, especially a kind of for device that is anti-icing, deicing experiment, be specially a kind of ice thickness real-time measurement apparatus for deicing experiment.
Background technology
In the flight course of aircraft, when atmospheric conditions cause freezing on the surface of aircraft, will the aerodynamic characteristic of change of flight device, for aircraft, it can make the lift of aircraft decline, and resistance increases, and maneuverability, stability reduce and worsens, very easily cause aviation accident, serious threat flight safety.
Prevent and kill off ice problem for aircraft, people have studied a large amount of anti-, de-icing method and device.These methods mainly comprise: chemical method, heating, hot gas method, mechanical deicing, microwave ice removing; Wherein, chemical method relies on aircraft surface to spray the anti-icing chemical reagent of painting, realizes anti-deicing object; And to heat rule be bring up on freezing temperature by preventing and kill off ice area surface temperature, realize anti-deicing object; The hot gas that hot gas method is drawn by engine compressor, realizes deicing; Mechanical deicing adopts mechanical means to make covering produce flexure, and then ice is broken and remove, and microwave ice removing utilizes microwave energy effects on surface ice heat, and Ice Temperature is raised, and is issued to deicing object at aerodynamic force or inertial force help.
For existing various except anti-icing method and device, how to it except, anti-icing ability is verified, become problem in the urgent need to address.The method of current routine was placed in cold environment by except anti-icing equipment, after spraying and freezing, directly measures the corresponding change except ice layer thickness before and after anti-icing equipment unlatching, usually adopt gage to measure ice thickness and change.But the measuring error of the method is large, and in freezing process, the subtle change of ice sheet cannot catch in real time.
Therefore, in the urgent need to a kind of new device, to solve the problem.
Summary of the invention
Goal of the invention of the present invention is: carrying out except in, anti-icing compliance test result process for existing method, the change that front and back ice layer thickness opened by anti-icing equipment is measured by gage, have that measuring error is large, the subtle change of ice sheet cannot catch in real time in freezing process problem, a kind of ice thickness real-time measurement apparatus for deicing experiment is provided.The present invention adopts self freezes, the spraying glaciation sprayed by waterfog head, leave space by the setting be set to except anti-icing equipment of back up pad simultaneously, and arranged by Fibre Optical Sensor staggered floor vertically, and then the real-time situation of change of ice thickness on experiments of measuring material plate, and increase effectively the measurement range of icing thickness.The present invention is reasonable in design, be skillfully constructed, easy to use, can measure except the thickness variation data of ice on forward and backward brassboard opened by anti-icing equipment in real time, for the research and development and working effect assessment that remove anti-icing equipment provide favourable technical support, there is good application prospect.
To achieve these goals, the present invention adopts following technical scheme:
A kind of ice thickness real-time measurement apparatus for deicing experiment, comprise bracing frame, the brassboard that the back up pad be arranged on bracing frame, the slide rail be arranged on bracing frame, sliding connector, employing detected materials are made, the insulation can matched with brassboard, refrigerating plant, the heat abstractor that can dispel the heat to refrigerating plant, arrange Fibre Optical Sensor, waterfog head, control system on the supporting plate, described refrigerating plant, heat abstractor, Fibre Optical Sensor are connected with control system respectively;
Described slide rail is two and is set in parallel in above back up pad, and described sliding connector two ends are connected with slide rail respectively, and described sliding connector passes insulation can and sliding connector can move relative to slide rail;
Described refrigerating plant is arranged on the supporting plate and refrigerating plant can freeze to brassboard, described brassboard is positioned at above refrigerating plant, described heat abstractor is positioned at below refrigerating plant, and described waterfog head is arranged on sliding connector and waterfog head can to brassboard water spray;
Described Fibre Optical Sensor is at least two and is each passed through brassboard, and the top of at least one Fibre Optical Sensor is positioned at brassboard institute in the plane, and place, the top surface level of at least one Fibre Optical Sensor is positioned at above the surface level of brassboard place.
Described refrigerating plant is semiconductor chilling plate.
Described heat abstractor comprise be connected with the refrigerating plant face of heating heat radiator, radiator fan is on a heat sink set.
Described heat radiator adopts fin-shaped heat radiator.
Described insulation can comprises the casing matched with brassboard, the case lid matched with casing, and described sliding connector can pass casing and opposite case moves.
Described sliding connector comprises slide block, head cartridge, and described slide block is arranged on slide rail, and described head cartridge is connected with slide block and slide block can drive head cartridge to move relative to slide rail.
Described back up pad is arranged and has projection, groove respectively, described refrigerating plant is arranged in the projection of back up pad, and described Fibre Optical Sensor is arranged on the groove of back up pad.
Described back up pad is cross-linked is formed by protruding, groove.
Described Fibre Optical Sensor vertically staggered floor is arranged.
Described Fibre Optical Sensor is four.
Described Fibre Optical Sensor is four, be designated as first sensor, the second sensor, the 3rd sensor, four-sensor respectively, described first sensor top is positioned at brassboard institute in the plane, place, the top surface level of described second sensor is positioned at above the surface level of first sensor place, place, the top surface level of described 3rd sensor is positioned at above the second sensor place surface level, and place, the top surface level of described four-sensor is positioned at above the 3rd sensor place surface level.
Place, the top surface level of described second sensor and the difference in height of first sensor place surface level, place, the top surface level of the 3rd sensor and the difference in height of the difference in height of the second sensor place surface level, place, the top surface level of four-sensor and the 3rd sensor place surface level are respectively h, and described h is the higher limit of fiber sensor measuring ice thickness.
Described h > 0.
Described Fibre Optical Sensor is distributed in back up pad.
For foregoing problems, the invention provides a kind of ice thickness real-time measurement apparatus for deicing experiment, for anti-deicing equipment research and development provide technical support.This device comprises bracing frame, the brassboard that the back up pad be arranged on bracing frame, the slide rail be arranged on bracing frame, sliding connector, employing detected materials are made, the insulation can matched with brassboard, refrigerating plant, the heat abstractor that can dispel the heat to refrigerating plant, arrange Fibre Optical Sensor, waterfog head, control system on the supporting plate, and refrigerating plant, heat abstractor, Fibre Optical Sensor are connected with control system respectively.
The present invention includes travel mechanism, refrigeration mechanism, measuring mechanism.Wherein, travel mechanism is as follows: slide rail is two and is set in parallel in above back up pad, and sliding connector two ends are connected with slide rail respectively, and sliding connector passes insulation can and sliding connector can move relative to slide rail.Refrigeration mechanism is as follows: refrigerating plant is arranged on the supporting plate and refrigerating plant can freeze to brassboard, brassboard is positioned at above refrigerating plant, heat abstractor is positioned at below refrigerating plant, and waterfog head is arranged on sliding connector and waterfog head can to brassboard water spray.Measuring mechanism is as follows: Fibre Optical Sensor is at least two and is each passed through brassboard, and the top of at least one Fibre Optical Sensor is positioned at brassboard institute in the plane, and place, the top surface level of at least one Fibre Optical Sensor is positioned at above the surface level of brassboard place.
When the present invention works, first control system starts refrigerating plant, heat abstractor, and provide cold by refrigerating plant for brassboard and make it lower the temperature, the heat that refrigerating plant produces falls apart by heat abstractor.After brassboard is down to design temperature, open water fog spray head, waterfog head connects water system and produces water smoke, makes sliding connector carry out reciprocal uniform motion relative to slide rail simultaneously, the water smoke that waterfog head produces impinges upon on brassboard, and on brassboard, form uniform ice sheet.When ice sheet begins to take shape, control system starts Fibre Optical Sensor, measures ice thickness.When employing two Fibre Optical Sensors, the difference in height on two Fibre Optical Sensor tops is H; During beginning, top be positioned at brassboard Fibre Optical Sensor in the plane first measure, ice thickness is h
1, when ice thickness is H, close top and be positioned at brassboard institute Fibre Optical Sensor in the plane, open the Fibre Optical Sensor at the H place be positioned at above brassboard, the measured value of this sensor mensuration is h
2, then the height of ice thickness is H+h
2.When employing four sensors, when ice thickness is 2H, opens the Fibre Optical Sensor at the 2H place be positioned at above brassboard, close other Fibre Optical Sensors, the measured value that this sensor measures is h
3, then the height of ice thickness is 2H+h
3; When ice thickness is 3H, opens the Fibre Optical Sensor at the 3H place be positioned at above brassboard, close other Fibre Optical Sensors, the measured value that this sensor measures is h
4, then the height of ice thickness is 3H+h
4.Existing Fibre Optical Sensor only can measure the ice thickness in a certain particular range, the present invention is by the design to Fibre Optical Sensor position, by multiple Fibre Optical Sensor alternative arrangement vertically, make multiple identical sensor combinations, greatly can expand the measurement range of sensor.
Refrigerating plant adopts semiconductor chilling plate; Heat abstractor comprise be connected with the refrigerating plant face of heating heat radiator, radiator fan is on a heat sink set, further, heat radiator adopts fin-shaped heat radiator; Sliding connector comprises slide block, head cartridge, and slide block is arranged on slide rail, and head cartridge is connected with slide block and slide block can drive head cartridge to move relative to slide rail.Adopt aforementioned structure, be conducive to the maintenance of equipment, reduce maintenance cost.
Back up pad is arranged and has projection, groove respectively, refrigerating plant is arranged in the projection of back up pad, and Fibre Optical Sensor is arranged on the groove of back up pad, and further, back up pad is cross-linked is formed by protruding, groove.Wherein, chill surface and the brassboard of refrigerating plant fit tightly, and heating face and the back up pad of refrigerating plant are fitted; The protruding top of back up pad arranges refrigerating plant, and below forms the space of placing heat abstractor, and heat radiator is connected with the heating face of refrigerating plant by back up pad, and radiator fan is fixedly mounted with on a heat sink.Meanwhile, adopt aforementioned structure, can intermediate gaps be formed between back up pad and brassboard, so be conducive to preventing, the setting of deicer.
Fibre Optical Sensor is four, be designated as first sensor, the second sensor, the 3rd sensor, four-sensor respectively, place, first sensor top surface level is positioned at brassboard institute in the plane, the difference in height of the difference in height of the difference in height of the second sensor and first sensor place surface level, the 3rd sensor place surface level and the second sensor place surface level, four-sensor place surface level and the 3rd sensor place surface level is h, h is the higher limit of fiber sensor measuring ice thickness, and namely h is the maximal value of fiber sensor measuring ice thickness.Adopt this structure, the ice thickness within the scope of 0 ~ 3h can be measured.Meanwhile, the present invention adopts multiple sensor segments to test, and is conducive to improving measuring accuracy.Measure the ice thickness after 0 ~ 3h according to single-sensor, when detect thickness is larger, to satisfy the demand, and can there is the larger problem of error range in existing sensor, can to meet object that is real-time, Measurement accuracy ice thickness.
In sum, the present invention adopts self freezes, the spraying glaciation sprayed by waterfog head, leave space by the setting be set to except anti-icing equipment of back up pad simultaneously, and arranged by Fibre Optical Sensor staggered floor vertically, and then the real-time situation of change of ice thickness on experiments of measuring material plate, and increase effectively the measurement range of icing thickness.Adopt the present invention, can measure except the thickness variation data of ice on forward and backward brassboard opened by anti-icing equipment in real time, for providing favourable technical support except the research and development of anti-icing equipment and working effect assessment.The ice thickness that the present invention can realize deicing experiment is measured in real time, has important progressive meaning, is worth large-scale promotion and application.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is stereoscopic-state schematic diagram of the present invention.
Fig. 2 is the present invention's cut-open view vertically.
Mark in figure: 1 is bracing frame, and 2 is back up pad, and 3 is slide rail, and 4 is brassboard, and 5 is refrigerating plant, 6 is heat radiator, and 7 is radiator fan, and 8 is Fibre Optical Sensor, and 9 is waterfog head, and 10 is control system, 11 is casing, and 12 is case lid, and 13 is slide block, and 14 is head cartridge.
Embodiment
All features disclosed in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this instructions, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
Embodiment 1
As shown in the figure, this device comprises bracing frame, the brassboard that the back up pad be arranged on bracing frame, the slide rail be arranged on bracing frame, sliding connector, employing detected materials are made, the insulation can matched with brassboard, refrigerating plant, the heat abstractor that can dispel the heat to refrigerating plant, arrange Fibre Optical Sensor, waterfog head, control system on the supporting plate, and refrigerating plant, heat abstractor, Fibre Optical Sensor are connected with control system respectively.
Wherein, insulation can comprises the casing matched with brassboard, the case lid matched with casing, and sliding connector comprises slide block, head cartridge.Slide rail is two and is set in parallel in above back up pad, and slide block is arranged on slide rail, and head cartridge two ends are connected with slide block respectively, and head cartridge passes insulation can and can move relative to slide rail under the cooperation of slide block.
Refrigerating plant is arranged on the supporting plate and refrigerating plant can freeze to brassboard, brassboard is positioned at above refrigerating plant, heat abstractor is positioned at below refrigerating plant, and waterfog head is arranged on sliding connector and waterfog head can to brassboard water spray, and Fibre Optical Sensor is each passed through brassboard.
In the present embodiment, refrigerating plant adopts semiconductor chilling plate, heat abstractor comprise be connected with refrigerating plant generate heat face heat radiator, radiator fan is on a heat sink set, wherein, heat radiator employing fin-shaped heat radiator.Back up pad is arranged and has projection, groove respectively, refrigerating plant is arranged in the projection of back up pad, and Fibre Optical Sensor is arranged on the groove of back up pad.
In the present embodiment, Fibre Optical Sensor adopts four, is designated as first sensor, the second sensor, the 3rd sensor, four-sensor respectively.Wherein, first sensor top is positioned at brassboard institute in the plane, place, the top surface level of the second sensor is positioned at above the surface level of first sensor place, place, the top surface level of the 3rd sensor is positioned at above the second sensor place surface level, and place, the top surface level of four-sensor is positioned at above the 3rd sensor place surface level.Place, the top surface level of the second sensor and the difference in height of first sensor place surface level, place, the top surface level of the 3rd sensor and the difference in height of the difference in height of the second sensor place surface level, place, the top surface level of four-sensor and the 3rd sensor place surface level are respectively H, and H is the higher limit of fiber sensor measuring ice thickness.
The flow process of the present embodiment device work is as follows.
During the work of this device, first control system starts refrigerating plant, heat abstractor, and provide cold by refrigerating plant for brassboard and make its lower the temperature (chill surface of semiconductor chilling plate and brassboard are fitted), the heat that refrigerating plant produces falls apart by heat abstractor.After brassboard is down to design temperature, open water fog spray head, waterfog head connects water system and produces water smoke, makes sliding connector carry out reciprocal uniform motion relative to slide rail simultaneously, the water smoke that waterfog head produces impinges upon on brassboard, thus on brassboard, form uniform ice sheet.
Then, start first sensor by control system, other sensors are in dormant state, and actual ice thickness is the ice thickness h that first sensor records
1.When ice thickness is H, open the second sensor, other sensors are in dormant state, and the measured value that the second sensor measures is h
2, then the height of ice thickness is H+h
2.When ice thickness is 2H, open the 3rd sensor, other sensors are in dormant state, and the measured value that the 3rd sensor measures is h
3, then the height of ice thickness is 2H+h
3.When ice thickness is 3H, open four-sensor, other sensors are in dormant state, and the measured value that four-sensor measures is h
4, then the height of ice thickness is 3H+h
4.
Meanwhile, adopt aforementioned structure, can install various forms of except anti-icing equipment in the space of back up pad of the present invention in, and then within the scope of 0 ~ 4H ice thickness, measure in real time except, anti-icing equipment is opened front and back ice thickness situation of change, and then verified the serviceability removing anti-icing equipment.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (10)
1. the ice thickness real-time measurement apparatus for deicing experiment, it is characterized in that, comprise bracing frame (1), be arranged on the back up pad (2) on bracing frame (1), be arranged on the slide rail (3) on bracing frame (1), sliding connector, adopt the brassboard (4) that detected materials is made, the insulation can matched with brassboard (4), refrigerating plant (5), the heat abstractor that can dispel the heat to refrigerating plant (5), be arranged on the Fibre Optical Sensor (8) in back up pad (2), waterfog head (9), control system (10), described refrigerating plant (5), heat abstractor, Fibre Optical Sensor (8) is connected with control system (10) respectively,
Described slide rail (3) is two and is set in parallel in back up pad (2) top, and described sliding connector two ends are connected with slide rail (3) respectively, and described sliding connector passes insulation can and sliding connector can move relative to slide rail (3);
The back up pad (2) that is arranged on described refrigerating plant (5) goes up and refrigerating plant (5) can freeze to brassboard (4), described brassboard (4) is positioned at refrigerating plant (5) top, described heat abstractor is positioned at refrigerating plant (5) below, and described waterfog head (9) is arranged on sliding connector and waterfog head (9) can to brassboard (4) water spray;
Described Fibre Optical Sensor (8) is at least two and is each passed through brassboard (4), the top of at least one Fibre Optical Sensor (8) is positioned at brassboard (4) institute in the plane, and place, the top surface level of at least one Fibre Optical Sensor (8) is positioned at above the surface level of brassboard (4) place.
2., according to claim 1 for the ice thickness real-time measurement apparatus of deicing experiment, it is characterized in that, described refrigerating plant (5) is semiconductor chilling plate.
3., according to claim 1 for the ice thickness real-time measurement apparatus of deicing experiment, it is characterized in that, described heat abstractor comprises the heat radiator (6) be connected with refrigerating plant (5) face of heating, the radiator fan (7) be arranged on heat radiator (6).
4. according to claim 1 for the ice thickness real-time measurement apparatus of deicing experiment, it is characterized in that, described insulation can comprises the casing (11) matched with brassboard (4), the case lid (12) matched with casing (11), and described sliding connector can pass casing (11) and opposite case (11) is mobile.
5. according to any one of claim 1 ~ 4 for deicing experiment ice thickness real-time measurement apparatus, it is characterized in that, described sliding connector comprises slide block (13), head cartridge (14), described slide block (13) is arranged on slide rail (3), and described head cartridge (14) is connected with slide block (13) and slide block (13) can drive head cartridge (14) to move relative to slide rail (3).
6. according to any one of claim 1 ~ 5 for deicing experiment ice thickness real-time measurement apparatus, it is characterized in that, described back up pad (2) is arranged and has projection, groove respectively, described refrigerating plant (5) is arranged in the projection of back up pad (2), and described Fibre Optical Sensor (8) is arranged on the groove of back up pad (2).
7. according to claim 1 for the ice thickness real-time measurement apparatus of deicing experiment, it is characterized in that, described Fibre Optical Sensor (8) vertically staggered floor is arranged.
8. according to any one of claim 1 ~ 7 for deicing experiment ice thickness real-time measurement apparatus, it is characterized in that, described Fibre Optical Sensor (8) is four.
9. according to claim 8 for the ice thickness real-time measurement apparatus of deicing experiment, it is characterized in that, described Fibre Optical Sensor (8) is four, be designated as first sensor respectively, second sensor, 3rd sensor, four-sensor, described first sensor top is positioned at brassboard (4) institute in the plane, place, the top surface level of described second sensor is positioned at above the surface level of first sensor place, place, the top surface level of described 3rd sensor is positioned at above the second sensor place surface level, place, the top surface level of described four-sensor is positioned at above the 3rd sensor place surface level.
10. according to claim 9 for the ice thickness real-time measurement apparatus of deicing experiment, it is characterized in that, place, the top surface level of described second sensor and the difference in height of first sensor place surface level, place, the top surface level of the 3rd sensor and the difference in height of the difference in height of the second sensor place surface level, place, the top surface level of four-sensor and the 3rd sensor place surface level are respectively h, and described h is the higher limit that Fibre Optical Sensor (8) measures ice thickness.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510616107.3A CN105333827B (en) | 2015-09-25 | 2015-09-25 | A kind of ice thickness real-time measurement apparatus for deicing experiment |
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|---|---|---|---|
| CN201510616107.3A CN105333827B (en) | 2015-09-25 | 2015-09-25 | A kind of ice thickness real-time measurement apparatus for deicing experiment |
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| CN105333827A true CN105333827A (en) | 2016-02-17 |
| CN105333827B CN105333827B (en) | 2018-07-27 |
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| CN116086368A (en) * | 2023-03-07 | 2023-05-09 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing thickness detection method, icing thickness detection device and storage medium |
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| Publication number | Publication date |
|---|---|
| CN105333827B (en) | 2018-07-27 |
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