CN206583864U - A kind of fixation cooling device of acoustic emission sensor - Google Patents

A kind of fixation cooling device of acoustic emission sensor Download PDF

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Publication number
CN206583864U
CN206583864U CN201720249700.3U CN201720249700U CN206583864U CN 206583864 U CN206583864 U CN 206583864U CN 201720249700 U CN201720249700 U CN 201720249700U CN 206583864 U CN206583864 U CN 206583864U
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China
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acoustic emission
emission sensor
cold water
folder frame
type folder
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CN201720249700.3U
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Inventor
刘武刚
孔凡金
王龙
李志强
刘宝瑞
吴振强
程昊
宫文然
贾洲侠
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China Academy of Launch Vehicle Technology CALT
Beijing Institute of Structure and Environment Engineering
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China Academy of Launch Vehicle Technology CALT
Beijing Institute of Structure and Environment Engineering
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Abstract

The utility model is related to the protection equipment technical field of acoustic emission sensor, disclose a kind of fixation cooling device of acoustic emission sensor, including clamp assembly and cooling component, the clamp assembly includes "] " type folder frame, screwed hole is provided with the top surface of "] " type folder frame, the cooling component includes sealing cold water nacelle and aqueduct, the sealing cold water nacelle is arranged on "] " between the top surface of type folder frame and bottom surface, the thickness of the distance between the top surface of "] " type folder frame and bottom surface not less than sealing cold water nacelle, structural member thickness and acoustic emission sensor height sum.The fixation cooling device of the utility model acoustic emission sensor facilitates the installation of acoustic emission sensor, and clamp assembly and the temperature of installation position structural member can be made to be maintained in the normal range of operation of acoustic emission sensor, the acoustic emission monitor(ing) of damage of composite materials under hot environment is applied.

Description

A kind of fixation cooling device of acoustic emission sensor
Technical field
The utility model is related to the protection equipment technical field of acoustic emission sensor, more particularly to a kind of acoustic emission sensor Fixation cooling device.
Background technology
Advanced composite material than traditional metal materials has all many advantages because of it, and it is obtained in aerospace field It is widely applied, the particularly research in recent years to high-temperature composite material turns into the focus that many advanced weaponry models are paid close attention to. Analog force thermal environment is to examine the important method of composite mechanical behavior under high temperature, is also to ensure the weight that composite is normally used Want means.Under high-temperature mechanics environment, composite can produce damage, with the increase of damage, and mechanical property changes, such as What monitors and assessed evolution and the order of severity of damage, as design department's concern.
In recent years, acoustic emission is as a kind of emerging non-destructive testing technology, and it has real-time process monitoring, by environment The advantages of influence is smaller, signal information contained amount is abundant, is widely used in terms of damage of composite materials mechanism.Sound is sent out Penetrating technology also turns into Compound Material Engineering experiment using a kind of wider damage monitoring means, and achievement in research is also more common.
The fixed installation of acoustic emission sensor and test specimen directly affects the quality for gathering signal.In normal temperature environment Under, generally acoustic emission sensor is fixed with test specimen by the way of tape-stripping and bandage winding, to ensure one Fixed signal sensitivity.But, in high temperature environments, normal temperature acoustic emission sensor and its fixed form are no longer applicable, namely The installation of sensor is relatively difficult in high temperature environments.Meanwhile, in high temperature environments, the adaptability of acoustic emission sensor is relatively low, The problems such as noise is larger so that application is faced with very big difficulty in high temperature environments for sound emission.
Utility model content
(1) technical problem to be solved
The utility model provides a kind of fixation cooling device of acoustic emission sensor, to solve under hot environment, sound emission The problem of sensor installation difficulty and relatively low adaptability.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of fixation cooling device of acoustic emission sensor, Including clamp assembly and cooling component,
The clamp assembly include section be "] " type "] " type folder frame, "] " type folder frame top surface on along perpendicular to The direction of "] " type folder frame top surface is provided with screwed hole,
The cooling component includes sealing cold water nacelle and the aqueduct connected with the sealing cold water nacelle, described close Envelope cold water nacelle is arranged on "] " between the top surface of type folder frame and bottom surface,
The top surface of "] " type folder frame and the distance between bottom surface are thick not less than thickness, the structural member of sealing cold water nacelle Degree and acoustic emission sensor height sum.
Further, it is described "] " type folder frame bottom surface on be provided with the limited impression being adapted to acoustic emission sensor.
Further, the limited impression is circle, and the diameter of the limited impression is than acoustic emission sensor to be installed The big 1mm of basal diameter.
Further, it is described "] " thickness of the bottom surface of type folder frame is 4mm, the depth of the limited impression is 2mm, described "] " type folder frame top surface thickness be 5mm, "] " type folder frame side thickness be 5mm.
Further, the sealing cold water nacelle is cuboid-type,
The aqueduct includes water inlet pipe and outlet pipe, and the water inlet pipe, outlet pipe are separately positioned on the sealing cold water The relative two ends of nacelle length direction.
Further, it is described sealing cold water nacelle length direction parallel to "] " type folder frame side width side To, and the length of the sealing cold water nacelle is more than "] " width of the side of type folder frame.
Further, described in the length ratio of the sealing cold water nacelle "] " the big 20mm of width of the side of type folder frame, and institute State "] " type folder frame be arranged on it is described sealing cold water nacelle length direction centre position.
Further, the width of the sealing cold water nacelle is not less than "] " top surface of type folder frame or bottom surface be away from institute State "] " one end of the side of type folder frame is to the distance for pressing from both sides frame side.
Further, the sealing cold water nacelle, structural member and acoustic emission sensor are sequentially fixed at institute from top to bottom State "] " type folder frame top surface and bottom surface between.
Further, described device also includes the fastening bolt or trip bolt being arranged on the screwed hole.
(3) beneficial effect
Above-mentioned technical proposal of the present utility model has the following advantages that:
The fixation cooling device for the acoustic emission sensor that the utility model is provided, including clamp assembly and cooling component; It is "] that the clamp assembly, which includes section, " "] of type " type folder frame, "] " and type folder frame top surface on along perpendicular to "] " type The direction of folder frame top surface is provided with screwed hole;The cooling component includes sealing cold water nacelle and seals cold water nacelle with described The aqueduct of connection, the sealing cold water nacelle is arranged on "] " type folder frame top surface and bottom surface between;"] " type is pressed from both sides The top surface of frame and the distance between bottom surface are high not less than the thickness, structural member thickness and acoustic emission sensor of sealing cold water nacelle Spend sum.
The fixation cooling device for the acoustic emission sensor that the utility model is provided may be mounted at the edge and muscle of testpieces At plate, the installation of acoustic emission sensor and its cooling component is facilitated;And the utility model makes fixture group by cooling down component The temperature of part and installation position structural member (edge and gusset of testpieces) is maintained in acoustic emission sensor normal range of operation, The acoustic emission monitor(ing) of damage of composite materials under hot environment is set to be applied.
Except the utility model described above solve technical problem, constitute technical scheme technical characteristic and Outside the technical characteristic for having the advantages that these technical schemes is brought, other technical characteristics of the present utility model and these technologies are special The advantage brought is levied, will be further illustrated with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the practical application installation diagram of the fixation cooling device of the utility model embodiment acoustic emission sensor;
Fig. 2 is the front view of the clamp assembly of the fixation cooling device of the utility model embodiment acoustic emission sensor;
Fig. 3 is Fig. 2 left view;
Fig. 4 is cutaway top views of the Fig. 2 along short transverse centre position;
Fig. 5 is the front view of the cooling component of the fixation cooling device of the utility model embodiment acoustic emission sensor;
Fig. 6 is Fig. 5 left view;
Fig. 7 is Fig. 5 top view.
In figure:1:Clamp assembly, 11:Top surface, 12:Sideways, 13:Bottom surface, 14:Trip bolt, 15:Limited impression;2:It is cold But component, 21:Seal cold water nacelle, 22:Aqueduct;3:Acoustic transmitter sensor;4:Structural member.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all Belong to the scope of the utility model protection.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
In addition, in description of the present utility model, unless otherwise indicated, " multiple ", " many ", " multigroup " are meant that two Individual or two or more, " several ", " some ", " some groups " are meant that one or more.
As shown in figure 1, the fixation cooling device for the acoustic emission sensor that the utility model embodiment is provided, including fixture group Part 1 and cooling component 2.Wherein, as shown in Fig. 2 the clamp assembly 1 include section be "] " type "] " type folder frame, it is described Along perpendicular to "] on the top surface 11 of "] " type folder frame " direction of type folder frame top surface 11 is provided with screwed hole.As shown in figure 5, institute Stating cooling component 2 can cool down to the structural member and clamp assembly of acoustic emission sensor installation, to ensure voice sending sensor Device is in the range of normal working temperature, it include sealing cold water nacelle 21 and with drawing that the sealing cold water nacelle 21 is connected Water pipe 22;The cooling water of flowing is filled in the inside of sealing cold water nacelle 21, and aqueduct 22 plays cold with sealing cold water nacelle 21 and outside But the function that flow tube is connected.As shown in figure 1, the sealing cold water nacelle 21 is arranged on "] " type presss from both sides the top surface of frame The distance between the top surface 11 of between 11 and bottom surface 13, "] " type folder frame and bottom surface 13 are not less than sealing cold water nacelle 21 (structural member refers to that testpieces is used for the structure for fixing acoustic emission sensor, the side of such as testpieces for thickness, structural member 4 Edge or gusset) thickness and the height sum of acoustic emission sensor 3.
It should be noted that the thickness of sealing cold water nacelle 21 refers to sealing cold water nacelle 21 and "] " type presss from both sides Span length on the highly consistent direction of frame, the thickness of structural member 4 refers to being arranged on "] on testpieces " type presss from both sides the top of frame Span length on the highly consistent direction of position and "] between face 11 and bottom surface 13 " type folder frame, the sound emission The height of sensor 3 refers to acoustic emission sensor 3 and "] " type folder frame highly consistent direction on span.Such as Fig. 2 institutes Showing, "] " type folder frame according to Fig. 1 directions when placing, with "] " type presss from both sides the highly consistent direction of frame and refers to vertical direction.
It is understood that "] " on the top surface 11 of type folder frame along perpendicular to "] " direction of type folder frame top surface sets Screwed hole is equipped with, specifically, screwed hole can be M6 models, when in use, fastening bolt or trip bolt 14 are set in screwed hole.
It is understood that "] " the distance between top surface 11 and bottom surface 13 of type folder frame be not less than sealing cold water cabin The top surface 11 of thickness, the thickness of structural member 4 and the height sum of acoustic emission sensor 3 of body 21, namely "] " type folder frame and bottom The distance between face 13 can at least install sealing cold water nacelle 21, for install the testpieces position of acoustic emission sensor 3 with And acoustic emission sensor 3, it is seen then that "] " the height H of type folder frame can be thick according to the height of acoustic emission sensor 3, structural member 4 The thickness of the sealing cold water nacelle 21 of degree and cooling component 2 is determined.
The fixation cooling device of the present embodiment acoustic emission sensor can by the sealing cold water nacelle 21, structural member 4 and Acoustic emission sensor 3 is sequentially fixed at "] from top to bottom " type folder frame top surface 11 and bottom surface 13 between, and by "] " type Press from both sides frame top surface 11 fastening bolt or trip bolt 14 apply certain power by acoustic emission sensor 3 with cooling component 2 and Testpieces is fixed;Sealing cold water nacelle 21 is placed on structural member 4 and "] " type pressed from both sides between the top surface 11 of frame, plays cooling structure part 4 With the purpose of clamp assembly 1 so that acoustic emission sensor 3 is maintained within the temperature range of normal work.
The fixation cooling device of the present embodiment acoustic emission sensor passes through "] " type folder frame can be easily by acoustic emission sensor 3 are installed at the edge of testpieces or gusset, solve under hot environment, the problem of acoustic emission sensor 3 fixes difficulty;By cold But component 2 makes clamp assembly 1, the temperature of the installation position of testpieces be maintained in the normal range of operation of acoustic emission sensor 3, Solve under hot environment, the problem of 3 bad adaptability of acoustic emission sensor so that under hot environment damage of composite materials sound Launch monitor is applied.
It is excellent as shown in Fig. 2,3 or 4 for the displacement of preferably fixed and limitation acoustic emission sensor 3 horizontal direction Choosing can be "] " be provided with the limited impression 15 being adapted to acoustic emission sensor 3 on the upside of bottom surface 13 of type folder frame.
The generally circular in cross section structure in bottom surface of the acoustic emission sensor of existing form, so as a kind of preferred scheme, it is described Limited impression 15 is circle, and the diameter of limited impression 15 is determined by the diameter of the bottom surface of acoustic emission sensor 3, general described spacing Basal diameter big 1mm of the diameter of groove 15 than acoustic emission sensor 3 to be installed.
The thickness of the bottom surface 13 of according to material and construction requirement, general "] " type folder frame is 4mm, described spacing recessed The depth of groove 15 be 2mm, "] " type folder frame top surface 11 thickness be 5mm, "] " type folder frame side 12 thickness For 5mm, you can meet the fixing intensity demand of acoustic emission sensor 3, and the clamp assembly small volume and less weight of this size, convenient peace Dress.
As shown in Fig. 5,6,7, the fixation cooling device of the present embodiment acoustic emission sensor gives a kind of sealing cooling water The structure of nacelle.The sealing cold water nacelle 21 is cuboid-type, and the aqueduct includes water inlet pipe and outlet pipe, the water inlet Pipe, outlet pipe are respectively welded at the relative two ends of sealing cold water 21 length directions of nacelle, to strengthen water flow efficiency.
The size of rectangle sealing cabin 21 is harmonious with acoustic emission sensor installation position size and grip size.
As shown in figure 1, the length direction of the sealing cold water nacelle 21 can be parallel to "] " side 12 of type folder frame The width of width, and the length of the sealing cold water nacelle 21 is more than "] " type folder frame side.It is used as a kind of practicality A new preferred embodiment, the length of the sealing cold water nacelle 21 is than "] " width of the side 12 of type folder frame Big 20mm, and "] " type folder frames are arranged on the centre position of the length direction of sealing cold water nacelle 21.
It is understood that "] " type folder frame be arranged on it is described sealing cold water nacelle length direction centre position, such institute Stating aqueduct 22 can just be arranged on "] " both sides of the lateral width direction of type folder frame, described without being arranged on] " Between the top surface 11 of type folder frame and bottom surface 13, it is ensured that equipment room install compact, and each equipment room is easy to implement by fastening spiral shell Bolt or trip bolt 14 are fixed.
It should be noted that "] " width of type folder frame side refers to the rectilinear direction of d1 in Fig. 4, described The length direction of sealing cold water nacelle 21 is parallel to "] " width of type folder frame side refers to the sealing cold water The length direction of nacelle 21 is parallel with d1, namely the sealing cold water nacelle 21 is to be located in "] " type presss from both sides the top surface 11 of frame Between bottom surface 13, and length direction and "] of its extension " type press from both sides frame short transverse it is vertical.
As one embodiment of the present utility model, the width of the sealing cold water nacelle 21 is not less than "] " type folder The top surface 11 of frame or bottom surface 13 are away from "] " one end of the side 12 of type folder frame to the side 12 for pressing from both sides frame distance. That is, the width of described sealing cold water nacelle can at least cover described] " top surface 11 of type folder frame and the whole surface of bottom surface 13 Span, thus ensure cooling water with] " type folder frame, testpieces and acoustic emission sensor heat exchange area, preferably realize drop Temperature.
The preparation of the fixation cooling device of the present embodiment acoustic emission sensor and application process are specific as follows:Sent out according to sound The diameter for penetrating sensor determines the diameter D of circular concave station;Measure the height H3 of acoustic emission sensor;
It is determined that it is H1 to install the structural member thickness at sound emission position;It is determined that the thickness of sealing cooling nacelle is H2;It is determined that Height H >=H1+H2+H3 of acoustic emission sensor fixture;
The width L3 of cooling component is determined according to the length d2 of clamp of sensor, makes L3 >=d2;
The length L of sealing water cooling nacelle size is moderately relaxed in position according to acoustic emission sensor is installed, makes testpieces Cooled region somewhat increase.
Two the distance between outlet pipe and water inlet pipe L2 size is determined, makes L2 >=d1+20, it is ensured that installing space;
Acoustic emission sensor, clamp assembly and cooling component are arranged on testpieces by Fig. 1 order successively, pass through folder The trip bolt on tool top tightens various pieces;Aqueduct is connected into cooling water, makes cooling water in rectangle sealing cold water cabin Flowing in vivo;Start testpieces heating, and the temperature of measurement acoustic emission sensor installation position in real time, by adjusting cooling water Flow makes the temperature of acoustic emission sensor installation position be maintained within the scope of normal operation of sensor.
It should be noted that the framework of the clamp assembly of the fixation cooling device of the present embodiment acoustic emission sensor is not limited to "] provided in embodiment " type, as long as the structure that is arranged of one end open can be with for example, I-shaped clevis.
In summary, the fixation cooling device of the present embodiment acoustic emission sensor ensure that acoustic emission sensor can be just Used under normal operating temperature, it may be mounted at the edge and gusset of testpieces, make clamp assembly and examination by cooling down component The temperature for testing part installation position is maintained in the normal range of operation of acoustic emission sensor, makes damage of composite materials under hot environment Acoustic emission monitor(ing) be applied;And, the fixation cooling device of the present embodiment acoustic emission sensor is simple in construction, is easily installed.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that: It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc. With replacement;And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model The spirit and scope of scheme.

Claims (10)

1. a kind of fixation cooling device of acoustic emission sensor, it is characterised in that:Including clamp assembly and cooling component,
It is "] that the clamp assembly, which includes section, " "] of type " type folder frame, "] " and type folder frame top surface on along perpendicular to described The direction of "] " type folder frame top surface is provided with screwed hole,
The cooling component includes sealing cold water nacelle and the aqueduct connected with the sealing cold water nacelle, and the sealing is cold Water tank body is arranged on "] " type folder frame top surface and bottom surface between,
The distance between top surface and bottom surface of "] " type folder frame not less than the thickness of sealing cold water nacelle, structural member thickness with And acoustic emission sensor height sum.
2. the fixation cooling device of acoustic emission sensor according to claim 1, it is characterised in that:"] " type presss from both sides frame Bottom surface on be provided with the limited impression being adapted to acoustic emission sensor.
3. the fixation cooling device of acoustic emission sensor according to claim 2, it is characterised in that:The limited impression is Circle, basal diameter big 1mm of the diameter than acoustic emission sensor to be installed of the limited impression.
4. the fixation cooling device of acoustic emission sensor according to claim 2, it is characterised in that:"] " type presss from both sides frame The thickness of bottom surface be 4mm, the depth of the limited impression is 2mm, "] " thickness of the top surface of type folder frame is 5mm, described The thickness of the side of "] " type folder frame is 5mm.
5. the fixation cooling device of acoustic emission sensor according to claim 1, it is characterised in that:The sealing cold water cabin Body is cuboid-type,
The aqueduct includes water inlet pipe and outlet pipe, and the water inlet pipe, outlet pipe are separately positioned on the sealing cold water nacelle The relative two ends of length direction.
6. the fixation cooling device of acoustic emission sensor according to claim 5, it is characterised in that:The sealing cold water cabin The length direction of body is parallel to "] " type folder frame side width, and it is described sealing cold water nacelle length be more than The width of the side of "] " type folder frame.
7. the fixation cooling device of acoustic emission sensor according to claim 6, it is characterised in that:The sealing cold water cabin Described in the length ratio of body "] " the big 20mm of width of the side of type folder frame, and "] " type folder frame is arranged on the sealing cold water cabin The centre position in body length direction.
8. the fixation cooling device of acoustic emission sensor according to claim 6, it is characterised in that:The sealing cold water cabin The width of body is not less than "] " top surface of type folder frame or bottom surface be away from "] " one end of the side of type folder frame is to the folder The distance of frame side.
9. the fixation cooling device of the acoustic emission sensor according to claim any one of 1-8, it is characterised in that:It is described close Envelope cold water nacelle, structural member and acoustic emission sensor are sequentially fixed at "] from top to bottom " top surface of type folder frame and bottom surface Between.
10. the fixation cooling device of the acoustic emission sensor according to claim any one of 1-8, it is characterised in that:It is described Device also includes the fastening bolt or trip bolt being arranged on the screwed hole.
CN201720249700.3U 2017-03-15 2017-03-15 A kind of fixation cooling device of acoustic emission sensor Active CN206583864U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109991313A (en) * 2019-03-11 2019-07-09 北京安科兴业科技股份有限公司 Acoustic emission monitor(ing) device and the acoustic emission monitor(ing) method for utilizing the device
CN110161124A (en) * 2018-06-25 2019-08-23 北京机电工程研究所 A kind of acoustic emission signal sensory perceptual system suitable for hot environment
CN111141831A (en) * 2019-12-31 2020-05-12 北京机电工程研究所 High-temperature-resistant acoustic emission sensor and thermal protection system applying same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110161124A (en) * 2018-06-25 2019-08-23 北京机电工程研究所 A kind of acoustic emission signal sensory perceptual system suitable for hot environment
CN109991313A (en) * 2019-03-11 2019-07-09 北京安科兴业科技股份有限公司 Acoustic emission monitor(ing) device and the acoustic emission monitor(ing) method for utilizing the device
CN109991313B (en) * 2019-03-11 2024-04-19 北京安科兴业科技股份有限公司 Acoustic emission monitoring device and acoustic emission monitoring method using same
CN111141831A (en) * 2019-12-31 2020-05-12 北京机电工程研究所 High-temperature-resistant acoustic emission sensor and thermal protection system applying same

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