CN113175889B - Airship capsule strain online monitoring device - Google Patents
Airship capsule strain online monitoring device Download PDFInfo
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- CN113175889B CN113175889B CN202110596805.7A CN202110596805A CN113175889B CN 113175889 B CN113175889 B CN 113175889B CN 202110596805 A CN202110596805 A CN 202110596805A CN 113175889 B CN113175889 B CN 113175889B
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- 239000002775 capsule Substances 0.000 title claims abstract description 27
- 238000012806 monitoring device Methods 0.000 title claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Classifications
-
- 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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/167—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by projecting a pattern on the object
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/06—Rigid airships; Semi-rigid airships
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model provides an airship utricule on-line monitoring device that meets an emergency, include: the acquisition module is used for acquiring displacement generated between two points on the surface of the airship capsule to form displacement data; and the calculating module is used for settling out the strain data of the surface through the displacement data, displaying the strain data and finishing strain online monitoring. Can carry out on-line monitoring to the meeting an emergency of airship utricule, filled and did not have the sensor at present and can carry out the blank of meeting an emergency on-line monitoring to airship utricule, device simple structure, measurement accuracy is high, simple to operate, it is with low costs.
Description
Technical Field
The utility model relates to an instrument and measurement technical field especially relate to an airship utricule strain on-line monitoring device.
Background
The airship envelope is of an inflatable structure, and the outer envelope is made of a flexible material. In an inflation state and a flight process of the airship, in order to ensure flight safety, the internal gas pressure is required to be greater than the ambient atmospheric pressure, the greater the difference between the internal gas pressure and the ambient gas pressure difference (pressure difference for short), the greater the stress borne by an airship bag material, the greater the strain value.
The conditions such as height adjustment, environmental temperature change can be met in the airship flight process, the fluctuation of the internal gas pressure of the airship can be caused, under certain conditions, the fluctuation can be large, the local strain of the capsule material can be caused to be overlarge, and then local damage is generated, the air leakage of the capsule body of the airship is caused, and the flight safety is influenced.
Through arranging strain measurement sensor at the key or weak position of airship utricule, carry out online monitoring to the meeting an emergency of airship utricule, acquire the value of meeting an emergency in real time, provide effective foundation for the adjustment of flight control strategy, and then avoid the violent undulant or the default that surpass of pressure differential, can avoid airship utricule local strain to not appear transfinite like this, guarantee flight safety. But at present, no sensor can effectively monitor the strain of the airship capsule on line.
Disclosure of Invention
Technical problem to be solved
Based on the above problem, this disclosure provides an airship utricule on-line monitoring device to alleviate technical problem such as on-line monitoring among the prior art.
(II) technical scheme
The utility model provides an airship utricule on-line monitoring device that meets an emergency, include:
the acquisition module is used for acquiring displacement generated between two points on the surface of the airship capsule to form displacement data;
and the calculating module is used for settling out the strain data of the surface through the displacement data, displaying the strain data and finishing strain online monitoring.
In an embodiment of the present disclosure, the acquisition module includes:
a micro laser unit for emitting laser light;
the CCD sensing unit and the miniature laser unit can generate relative movement equivalent to the displacement and can receive the laser, and the CCD sensing unit is used for sensing the position of the miniature laser for emitting the laser in real time to obtain displacement data.
In the embodiment of the present disclosure, the laser propagation direction is perpendicular to the displacement direction of the CCD sensing unit.
In the embodiment of the present disclosure, the displacement directions of the micro laser unit and the CCD sensing unit are on the same line.
In an embodiment of the present disclosure, the acquisition module further includes:
the one-dimensional sliding unit is provided with an upper part and a lower part, the upper part and the lower part can linearly slide in one dimension, the upper part and the lower part are respectively fixedly connected with two points on the surface of the airship capsule, the upper part is used for bearing the micro laser unit, and the lower part is used for bearing the CCD sensing unit.
In this disclosed embodiment, fixed connection is accomplished through pasting the structure, it includes to paste the structure:
the first pasting structure is used for connecting the CCD sensing unit with one point on the surface of the airship capsule body;
and the second pasting structure is used for connecting the micro laser unit with another point on the surface of the airship capsule.
In an embodiment of the present disclosure, the resolving module includes:
the strain calculating unit is used for receiving the displacement data and calculating the strain data according to the displacement data;
and the communication unit is used for receiving the strain data and transmitting the strain data to the terminal equipment.
In the embodiment of the disclosure, the terminal device is one of a computer, a mobile tablet, a mobile phone, or a combination thereof.
In an embodiment of the present disclosure, the calculating module further includes:
and the display unit is used for acquiring the strain data and displaying the strain data.
In the embodiment of the present disclosure, the airship envelope strain online monitoring device further includes:
and the power supply unit is used for converting external input voltage into voltage required by the acquisition module and the calculation module and supplying power to the acquisition module and the calculation module.
(III) advantageous effects
According to the technical scheme, the airship capsule strain online monitoring device at least has one or one part of the following beneficial effects:
(1) The strain of the airship envelope can be monitored on line, and the blank that no sensor can monitor the strain of the airship envelope on line at present is filled; and
(2) The device has the advantages of simple structure, high measurement precision, convenient installation and low cost.
Drawings
Fig. 1 is a block diagram of an airship envelope strain online monitoring device according to an embodiment of the present disclosure.
Fig. 2 is a strain calculation schematic diagram of an airship envelope strain online monitoring device according to an embodiment of the disclosure.
Detailed Description
The utility model provides an airship utricule strain on-line monitoring device, airship utricule strain on-line monitoring device simple structure, reliable can overcome current strain monitoring device's main shortcoming and weak point.
For the purpose of promoting a better understanding of the objects, aspects and advantages of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
In an embodiment of the present disclosure, there is provided an airship envelope strain online monitoring device, as shown in fig. 1 to 2, including:
the acquisition module is used for acquiring displacement generated between two points on the surface of the airship capsule to form displacement data;
and the calculating module is used for settling out the strain data of the surface through the displacement data, displaying the strain data and finishing strain online monitoring.
In an embodiment of the present disclosure, the acquisition module includes:
a micro laser unit for emitting laser light;
and the CCD (Charge-coupled Device) sensing unit and the micro laser unit can generate relative movement equal to the displacement and can receive the laser, and the CCD sensing unit is used for sensing the position of the laser emitted by the micro laser in real time to obtain displacement data.
In an embodiment of the present disclosure, the laser propagation direction is perpendicular to a displacement direction of the CCD sensing unit.
In the embodiment of the present disclosure, the displacement directions of the micro laser unit and the CCD sensing unit are on the same line.
In an embodiment of the present disclosure, the acquisition module further includes:
the one-dimensional sliding unit is provided with an upper part and a lower part, the upper part and the lower part can linearly slide in one dimension, the upper part and the lower part are respectively fixedly connected with two points on the surface of the airship capsule, the upper part is used for bearing the micro laser unit, and the lower part is used for bearing the CCD sensing unit.
In this disclosed embodiment, fixed connection is accomplished through pasting the structure, it includes to paste the structure:
the first pasting structure is used for connecting the CCD sensing unit with one point on the surface of the airship bag body;
and the second pasting structure is used for connecting the micro laser unit with another point on the surface of the airship capsule.
In an embodiment of the present disclosure, the resolving module includes:
the strain calculating unit is used for receiving the displacement data and calculating the strain data according to the displacement data;
and the communication unit is used for receiving the strain data and transmitting the strain data to the terminal equipment.
In the embodiment of the disclosure, the terminal device is one of a computer, a mobile tablet, a mobile phone, or a combination thereof.
In an embodiment of the present disclosure, the calculating module further includes:
and the display unit is used for acquiring the strain data and displaying the strain data.
In the embodiment of the present disclosure, the airship envelope strain online monitoring device further includes:
and the power supply unit is used for converting external input voltage into voltage required by the acquisition module and the calculation module and supplying power to the acquisition module and the calculation module.
Specifically, in the embodiment of the present disclosure, as shown in fig. 1, a schematic composition diagram of the device for on-line monitoring of airship capsule strain according to the present invention is shown. The device comprises a pasting structure unit, a one-dimensional sliding unit, a micro laser unit, a CCD sensing unit, a resolving unit and a power supply unit.
The pasting structure unit can paste the one-dimensional sliding unit (including other units installed inside the one-dimensional sliding unit) on the surface of the airship capsule (made of flexible materials), and the displacement synchronization of two pasting points of the one-dimensional sliding unit and the corresponding position of the capsule is realized.
Two sticking points on the one-dimensional sliding unit can generate relative displacement along the strain direction along with the change of the strain of the capsule.
The miniature laser unit is arranged on the upper part of the one-dimensional sliding unit and moves synchronously with the right side pasting structure unit, so that the relative movement of the light emitting position of the miniature laser on the CCD sensing unit can be realized.
The CCD sensing unit is arranged at the lower part of the one-dimensional sliding unit and moves synchronously with the left pasting structure unit, so that the CCD sensing unit can sense the position of the emitted light of the miniature laser in real time.
The resolving unit can acquire position output data of the CCD sensing unit, further resolve strain measurement results, and simultaneously send the calculation results and related data to the monitoring computer.
The power supply unit converts the external input voltage into the voltage required by the micro laser unit, the CCD sensing unit and the resolving unit so as to supply power to the units.
As shown in fig. 2, in the embodiment of the present disclosure, the upper portion is an initial state in which the airship capsule is not stressed, the distance between the point C and the point D is L1 (this value is measured in the initial state of the device installation), the position of the micro laser light source collected by the CCD sensing unit is the point a, and the point a is the xth photosensitive unit of the CCD;
in the embodiment of the disclosure, the lower part is in a stretched state after the airship capsule is stressed, the distance between the point C and the point D1 is L2, the position of the light source of the miniature laser collected by the CCD sensing unit is the point A1, and the light source is the X + N photosensitive unit of the CCD;
in the embodiment of the present disclosure, after the calculating unit collects the above information, the strain value σ = (L2-L1)/L1 × 100% may be calculated;
in the embodiment of the present disclosure, since the micro laser unit is mounted on the upper portion of the one-dimensional sliding unit, and is a rigid structure, L2-L1= Δ L = S.
In the embodiment of the present disclosure, S is a distance from the xth light-sensing unit to the xth + nth light-sensing unit on the CCD, that is, a length of the N light-sensing units, and assuming that the length of a single light-sensing unit is u (this value is an inherent parameter of the selected CCD device, which can be obtained from the device description), S = N × u;
in the embodiment of the present disclosure, the above steps illustrate the process of strain measurement, and by combining the above processes, the strain value σ = N × u/L1 × 100% can be obtained.
So far, the embodiments of the present disclosure have been described in detail with reference to the accompanying drawings. It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Further, the above definitions of the various elements and methods are not limited to the various specific structures, shapes or arrangements of parts mentioned in the examples, which may be easily modified or substituted by those of ordinary skill in the art.
From the above description, those skilled in the art should clearly recognize that the airship envelope strain online monitoring device of the present disclosure is provided.
In conclusion, the airship envelope strain online monitoring device provided by the disclosure has a simple and reliable structure, can monitor the strain of the airship envelope online, and fills the gap that no sensor can monitor the strain of the airship envelope online currently; the device has simple structure, high measurement precision, convenient installation and low cost.
It should also be noted that directional terms, such as "upper", "lower", "front", "rear", "left", "right", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present disclosure. Throughout the drawings, like elements are represented by like or similar reference numerals. Conventional structures or constructions will be omitted when they may obscure the understanding of the present disclosure.
And the shapes and sizes of the respective components in the drawings do not reflect actual sizes and proportions, but merely illustrate the contents of the embodiments of the present disclosure. Furthermore, in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Unless otherwise indicated, the numerical parameters set forth in the specification and attached claims are approximations that can vary depending upon the desired properties sought to be obtained by the present disclosure. In particular, all numbers expressing quantities of ingredients, reaction conditions, and so forth used in the specification and claims are to be understood as being modified in all instances by the term "about". In general, the meaning of the expression is meant to encompass variations of a specified number by ± 10% in some embodiments, by ± 5% in some embodiments, by ± 1% in some embodiments, by ± 0.5% in some embodiments.
Furthermore, the word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements.
The use of ordinal numbers such as "first," "second," "third," etc., in the specification and claims to modify a corresponding element does not by itself connote any ordinal number of the element or any ordering of one element from another or the order of manufacture, and the use of the ordinal numbers is only used to distinguish one element having a certain name from another element having a same name.
In addition, unless steps are specifically described or must occur in sequence, the order of the steps is not limited to that listed above and may be changed or rearranged as desired by the desired design. The embodiments described above may be mixed and matched with each other or with other embodiments based on design and reliability considerations, i.e., technical features in different embodiments may be freely combined to form further embodiments.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Furthermore, in the unit claims enumerating several means, several of these means can be embodied by one and the same item of hardware.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the disclosure, various features of the disclosure are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various disclosed aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that is, the claimed disclosure requires more features than are expressly recited in each claim. Rather, as the following claims reflect, disclosed aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this disclosure.
The above-mentioned embodiments, objects, technical solutions and advantages of the present disclosure are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present disclosure, and should not be construed as limiting the present disclosure, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (8)
1. An airship capsule strain online monitoring device comprises:
the acquisition module is used for acquiring displacement generated between two points on the surface of the airship capsule to form displacement data;
the calculation module is used for settling out the strain data of the surface through the displacement data, displaying the strain data and finishing strain online monitoring;
wherein, the collection module includes:
a micro laser unit for emitting laser light;
the CCD sensing unit and the micro laser unit can generate relative movement equal to the displacement and can receive the laser, and the CCD sensing unit is used for sensing the position of the laser emitted by the micro laser unit in real time to obtain displacement data;
the one-dimensional sliding unit is provided with an upper part and a lower part, the upper part and the lower part can linearly slide in one dimension, the upper part and the lower part are respectively fixedly connected with two points on the surface of the airship capsule, the upper part is used for bearing the micro laser unit, and the lower part is used for bearing the CCD sensing unit.
2. The airship envelope strain online monitoring device of claim 1, wherein the laser propagation direction is perpendicular to the displacement direction of the CCD sensing unit.
3. The airship capsule strain online monitoring device according to claim 1, wherein the displacement directions of the micro laser unit and the CCD sensing unit are on a straight line.
4. The airship envelope strain on-line monitoring device of claim 1, wherein the fixed connection is accomplished by a paste structure comprising:
the first pasting structure is used for connecting the CCD sensing unit with one point on the surface of the airship capsule body;
and the second pasting structure is used for connecting the micro laser unit with another point on the surface of the airship capsule.
5. The airship envelope strain online monitoring device of claim 1, wherein the resolving module comprises:
the strain calculating unit is used for receiving the displacement data and calculating the strain data according to the displacement data;
and the communication unit is used for receiving the strain data and transmitting the strain data to the terminal equipment.
6. The airship envelope strain online monitoring device according to claim 5, wherein the terminal device is one of a computer, a mobile tablet, a mobile phone, or a combination thereof.
7. The airship envelope strain online monitoring device of claim 5, wherein the resolving module further comprises:
and the display unit is used for acquiring the strain data and displaying the strain data.
8. The airship capsule strain online monitoring device of claim 1, further comprising:
and the power supply unit is used for converting the external input voltage into the voltage required by the acquisition module and the resolving module and supplying power to the acquisition module and the resolving module.
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