CN104049035A - Force and heat synchronous loading device for in-situ detection of scanning acoustic microscope - Google Patents
Force and heat synchronous loading device for in-situ detection of scanning acoustic microscope Download PDFInfo
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- CN104049035A CN104049035A CN201410315343.7A CN201410315343A CN104049035A CN 104049035 A CN104049035 A CN 104049035A CN 201410315343 A CN201410315343 A CN 201410315343A CN 104049035 A CN104049035 A CN 104049035A
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- camber beam
- power
- hotsync
- charger
- situ detection
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Abstract
The invention discloses a force and heat synchronous loading device for in-situ detection of a scanning acoustic microscope. The force and heat synchronous loading device comprises a base and a medium groove (1) formed in the base. The force and heat synchronous loading device is characterized by further comprising a force loading device and a heat loading device, wherein the force loading device comprises a fixed bent beam (7), a movable bent beam (2) and a driving mechanism for driving the movable bent beam (2) to move from left to right; the fixed bent beam (7) is fixedly arranged on the base; the movable bent beam (2) is connected with the driving mechanism and is driven by the driving mechanism to move along the medium groove (1) from left to right; the fixed bent beam (7) and the movable bent beam (2) are provided with clamp heads (3) which correspond to each other; the heat loading device comprises an electric heater (10) and a semiconductor refrigerator (11) which are arranged on the medium groove (1). The force and heat synchronous loading device is simple in structure and low in cost; the force and heat synchronous loading of a test piece can also be realized so that the force and heat synchronous loading device is suitable for popularization and utilization.
Description
Technical field
The present invention relates to a kind of charger for scanning acoustic microscope in situ detection, relate in particular to a kind of power hotsync charger for scanning acoustic microscope in situ detection.
Background technology
Scanning acoustic microscope (Scanning Acoustic Microscope, be designated hereinafter simply as SAM) unique as a kind of function, microscopical detector device with practical value, since the eighties in last century, be rapidly developed, compare with conventional Non-Destructive Testing, SAM has perspective material inside and high resolution, the features such as fast imaging, for microstructure and the defect of observing material and device different depth, and can reflect the mechanical elasticity parameter distribution of sample, at electronics, machinery, national defence, Aero-Space, biological, medical science, the various fields such as investigation of materials and industry obtain increasingly extensive application, and significant economic benefit and social benefit have been obtained.
Up to now, worldwide SAM equipment, all test material and device different depth microstructure and defect statically, cannot carry out original position, dynamic monitoring to material and the device structure of its different depth and the slight change of defect under power, heat or synchronous effect, this is limited by very large its application in various fields such as electronics, machinery, equipment, investigations of materials.
Therefore, be necessary the synchronous charger of heating power of development and design SAM, expand the heating power measuring ability of SAM scanning technique, realize to material with device in power, hotsync loading, the slight change of the structure of its different depth and defect is carried out to original position, dynamic monitoring.
Summary of the invention
One of object of the present invention is for above-mentioned deficiency, a kind of power hotsync charger for scanning acoustic microscope in situ detection is provided, with expectation, solve traditional scanning acoustic microscope technology at present and only can carry out Static Detection to material surface physical property, and cannot in power, the performance change of heat alternately or under compound action, carry out to material the technology limitation problem of original position detection of dynamic.
The object of invention is achieved through the following technical solutions:
Power hotsync charger for scanning acoustic microscope in situ detection, it comprises base and is arranged on the media slot on base, it also comprises that power is carried device and heat is carried device, described power is carried device and is comprised fixedly camber beam, movable camber beam, the driving mechanism that driving activity camber beam moves left and right, described driving mechanism is arranged on base, described fixedly camber beam is fixed on base, described movable camber beam is connected with driving mechanism and can under the driving effect of driving mechanism, along media slot, moves left and right, described fixedly camber beam with on movable camber beam, be respectively equipped with mutual corresponding clamp head, described heat is carried device and is comprised electric heater and the semiconductor cooler being all arranged in media slot.
According to one embodiment of present invention, described driving mechanism comprises motor and the leading screw being installed on base, and described motor is connected by belt pulley with leading screw, on described movable camber beam, is provided with the threaded hole matching with leading screw.
According to one embodiment of present invention, described leading screw is ball-screw.
According to one embodiment of present invention, on described movable camber beam, be also provided with guide pole, described guide pole is arranged on base, and this guide pole parallels with leading screw.
According to one embodiment of present invention, described guide pole is made as two, and these two guide poles lay respectively at top and the below of leading screw, and the axle center axis of the central axis of these two guide poles and leading screw is positioned at same vertical plane.
According to one embodiment of present invention, described semiconductor cooler is several, and these several semiconductor cooler arrays are in the bottom of media slot.
According to one embodiment of present invention, described electric heater is insulated electro well heater.
According to one embodiment of present invention, described electric heater is arranged on the inner bottom surface of media slot.
According to one embodiment of present invention, described fixedly camber beam and movable camber beam are inverted U-shaped, and this fixedly camber beam and movable camber beam are made by stainless steel.
According to one embodiment of present invention, described clamp head is pull head or pressure head, and this clamp head is connected by screw on fixedly camber beam or movable camber beam.
The present invention compares compared with prior art, has the following advantages and beneficial effect:
(1) the present invention is not only simple in structure, and with low cost, this power hotsync charger comprises that power is carried device and heat is carried device, its power is carried in device, by the side-to-side movement of driving mechanism driving activity camber beam, can apply force of compression or tensile force to the test specimen being dipped in the liquid acoustic coupling medium in media slot; Its heat is carried in device, by electric heater, to the liquid acoustic coupling medium heating in media slot, can realize the heating to test specimen, by semiconductor cooler, to the liquid acoustic coupling medium refrigeration in media slot, can realize the refrigeration to test specimen, thereby realize test specimen when power, hotsync load, in conjunction with SAM technology, the slight change of the structure of its different depth and defect is carried out to original position, dynamic monitoring.
(2) driving mechanism of the present invention comprises motor and leading screw, described leading screw is connected with movable camber beam, between described motor and leading screw, by belt pulley, be connected, under the drive of motor, effect by leading screw can the side-to-side movement of driving activity camber beam, thereby realizes the object that test specimen is applied to force of compression or tensile force.
(3) movable camber beam of the present invention is provided with guide pole, can movable camber beam be led when the movable camber beam side-to-side movement, thereby make movable camber beam side-to-side movement obtain more steady by guide pole.
(4) fixedly camber beam of the present invention and movable camber beam are inverted U-shaped, and the fixedly camber beam of inverted U-shaped and movable camber beam can be avoided the scanning groove of scanning acoustic microscope, the power coming from outside media slot can also be passed to the test specimen in media slot simultaneously.
(5) clamp head of the present invention is pull head or pressure head, and this clamp head is connected by screw on fixedly camber beam or movable camber beam, in the time of need to applying force of compression to test specimen, a pair of pressure head is connected by screw respectively on fixedly camber beam and movable camber beam; In the time of need to applying tensile force to test specimen, the pressure head on fixedly camber beam and movable camber beam is pulled down, changed pull head.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Wherein, the corresponding name of the Reference numeral in accompanying drawing is called:
1-media slot, 2-movable camber beam, 3-clamp head, 4-test specimen, 5-guide pole, 6-leading screw, 7-fixing camber beam, 8-belt pulley, 9-motor, 10-electric heating sheets, 11-semiconductor cooler.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment
As shown in Figure 1, the power hotsync charger for scanning acoustic microscope in situ detection of the present invention, it comprises base, described base is used for supporting whole device.On described base, be provided with media slot 1, described media slot 1 is arranged on base by being positioned at four legs of this media slot 1 below, thereby make the distance between this media slot 1 and base, is support foot hight.Described media slot 1 is the semi-closed structure of bottom sealing and upper end open, the whole rectangular structure of this media slot 1, and the bottom surface of this media slot 1 is copper coin, at the cell wall outside surface of this media slot 1, is provided with heat insulation layer structure.The medium that the present invention is added in media slot 1 is the acoustic coupling mediums such as distilled water or glycerine.
Power hotsync charger of the present invention also comprises that power is carried device and heat is carried device, and described power is carried device and comprised fixedly camber beam 7, movable camber beam 2 and driving mechanism.It is inverted U-shaped that described fixedly camber beam 7 and movable camber beam 2 are, and this fixedly camber beam 7 be made by stainless steel with movable camber beam 2.Described fixedly camber beam 7 is fixed on base, and this fixedly camber beam 7 be positioned at the right-hand member of media slot 1, two journal stirrups of inverted U-shaped fixedly camber beam 7 lay respectively at the inside and outside both sides of media slot 1 right side wall, as shown in Figure 1, this fixedly camber beam 7 do not contact with media slot 1.Described movable camber beam 2 is positioned at the rear side of media slot 1, two journal stirrups of this inverted U-shaped activity camber beam 2 lay respectively at the inside and outside both sides of media slot 1 rear wall, as shown in Figure 1, this activity camber beam 2 does not contact with media slot 1, and this activity camber beam 2 can move left and right along the rear wall of media slot 1.At described fixedly camber beam 7, be respectively equipped with mutual corresponding clamp head 3 with on movable camber beam 2, described clamp head 3 is pressure head or pull head, and this clamp head 3 is connected to fixedly on camber beam 7 or movable camber beam 2 by screw is detachable.During the compression load of test test specimen 4, a pair of pressure head is connected by screw respectively on fixedly camber beam 7 and movable camber beam 2, then test specimen 4 is arranged between two pressure heads, movable camber beam 2 moves right can be to test specimen 4 formation compression loads.While testing the tensile load of test specimen 4, pressure head on fixedly camber beam 7 and movable camber beam 2 is pulled down, and a pair of pull head is connected by screw respectively on fixedly camber beam 7 and movable camber beam 2, then test specimen 4 is arranged between two pull heads, movable camber beam 2 can form tensile load to test specimen 4 to left movement.
Described driving mechanism is used for driving movable camber beam 2 side-to-side movements, and this driving mechanism comprises motor 9 and leading screw 6, and described motor 9 is installed on base with leading screw 6, and described leading screw 6 is positioned at the outside of media slot 1 rear wall.The motor 9 that the present invention uses is servomotor, and the leading screw 6 that the present invention uses is ball-screw, and this motor 9 is connected by belt pulley 8 with leading screw 6.For the ease of being connected with leading screw 6, thereby under the effect of motor, pass through leading screw 6 drive activity camber beam 2 side-to-side movements, on described movable camber beam 2, be provided with the threaded hole matching with leading screw 6, described leading screw 6 is connected on movable camber beam 2, as shown in Figure 1 with after threaded hole on movable camber beam 2 coordinates.
In order to guarantee the side-to-side movement more stably of movable camber beam 2, on described movable camber beam 2, be also provided with guide pole 5, described guide pole 5 is cylindrical polished rod, this guide pole 5 parallels with leading screw 6.On described movable camber beam 2, be provided with the through hole matching with guide pole 5, described guide pole 5 is connected on movable camber beam 2 with after through hole on movable camber beam 2 coordinates, between the through hole of described movable camber beam 2 and guide pole 5, be clearance fit, this activity camber beam 2 can be along the accessible side-to-side movement of guide pole 5.Guide pole 5 of the present invention is made as two, and these two guide poles 5 lay respectively at top and the below of leading screw 6, and the axle center axis of the central axis of these two guide poles 5 and leading screw 6 is positioned at same vertical plane, as shown in Figure 1.
Described heat is carried device and is comprised electric heater 10 and semiconductor cooler 11, and described electric heater 10 is insulated electro well heater, and this electric heater 10 is arranged on the inner bottom surface of media slot 1, as shown in Figure 1.In described media slot 1, add after liquid medium, medium will flood electric heater 10, and meanwhile, medium also will flood test specimen 4.Described semiconductor cooler 11 is several, and these several semiconductor cooler 11 arrays are in the bottom of media slot 1, and is positioned at the outside of media slot 1, as shown in Figure 1.During use, electric heater 10 is connected to power supply, can heat the liquid medium in media slot 1, thereby by liquid medium, test specimen 4 is heated.Semiconductor cooler 11 is connected to power supply, can freeze to the liquid medium in media slot 1, thereby by liquid medium, test specimen 4 is freezed.
The present invention is by the rotating speed of automatic controlling system motor 9, thus speed and the distance of 2 side-to-side movements of control activity camber beam, to guarantee accurately to control compression load and the tensile load that test specimen 4 is applied.Meanwhile, the present invention heats by the liquid medium in 10 pairs of media slot 1 of this automatic controlling system electric heater, and freezes by the liquid medium in 11 pairs of media slot 1 of this automatic controlling system semiconductor cooler.Described automatic control system comprises single-chip microcomputer, temperature controller, measure-controlling unit, and described temperature controller is all connected with single-chip microcomputer with measure-controlling unit.
Described temperature controller is also electrically connected to electric heater 10 and semiconductor cooler 11 respectively, thereby realize the heating of automatic controlled electric heater 10 and the refrigeration of semiconductor cooler 11, the temperature range of the liquid medium heating and cooling in described electric heater 10 and 11 pairs of media slot 1 of semiconductor cooler is controlled at 2 ℃～90 ℃.In described media slot 1, be also provided with temperature sensor, described temperature sensor is electrically connected to temperature controller, by this temperature sensor, the actual temperature of liquid medium in media slot 1 can be fed back to temperature controller, make single-chip microcomputer by temperature controller, control again the work of electric heater 10 or semiconductor cooler 1 according to the temperature information of this feedback.
Described measure-controlling unit is electrically connected to motor 9, thus the rotating speed while controlling motor 9 work.Between motor 9 and measure-controlling unit, be also connected with displacement transducer, simultaneously, on described fixedly camber beam 2, be also provided with power sensor, this power sensor is electrically connected to measure-controlling unit, thereby the force of compression that test specimen 4 is subject to or tensile force information feed back to measure-controlling unit, so that single-chip microcomputer is controlled the work of motor 9 again according to the force information that is subject to of the test specimen 4 of this feedback by measure-controlling unit.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. for the power hotsync charger of scanning acoustic microscope in situ detection, it comprises base and is arranged on the media slot (1) on base, it is characterized in that it also comprises that power is carried device and heat is carried device, described power is carried device and is comprised fixedly camber beam (7), movable camber beam (2), the driving mechanism that driving activity camber beam (2) moves left and right, described driving mechanism is arranged on base, described fixedly camber beam (7) is fixed on base, described movable camber beam (2) is connected with driving mechanism and can under the driving effect of driving mechanism, along media slot (1), moves left and right, at described fixedly camber beam (7), be respectively equipped with mutual corresponding clamp head (3) with on movable camber beam (2), described heat is carried device and is comprised the electric heater (10) and semiconductor cooler (11) being all arranged in media slot (1).
2. according to the power hotsync charger for scanning acoustic microscope in situ detection claimed in claim 1, it is characterized in that described driving mechanism comprises the motor (9) and leading screw (6) being installed on base, described motor (9) is connected by belt pulley (8) with leading screw (6), is provided with the threaded hole matching with leading screw (6) on described movable camber beam (2).
3. according to the power hotsync charger for scanning acoustic microscope in situ detection claimed in claim 2, it is characterized in that described leading screw (6) is ball-screw.
4. according to the power hotsync charger for scanning acoustic microscope in situ detection described in claim 2 or 3, it is characterized in that being also provided with guide pole (5) on described movable camber beam (2), described guide pole (5) is arranged on base, and this guide pole (5) parallels with leading screw (6).
5. according to the power hotsync charger for scanning acoustic microscope in situ detection claimed in claim 4, it is characterized in that described guide pole (5) is made as two, these two guide poles (5) lay respectively at top and the below of leading screw (6), and the axle center axis of the central axis of these two guide poles (5) and leading screw (6) is positioned at same vertical plane.
6. according to the power hotsync charger for scanning acoustic microscope in situ detection described in claim 1～3 any one, it is characterized in that described semiconductor cooler (11) is for several, this several semiconductor coolers (11) array is in the bottom of media slot (1).
7. according to the power hotsync charger for scanning acoustic microscope in situ detection described in claim 1～3 any one, it is characterized in that described electric heater (10) is insulated electro well heater.
8. according to the power hotsync charger for scanning acoustic microscope in situ detection claimed in claim 7, it is characterized in that: described electric heater (10) is arranged on the inner bottom surface of media slot (1).
9. according to the power hotsync charger for scanning acoustic microscope in situ detection described in claim 1～3 any one, it is characterized in that described fixedly camber beam (7) and movable camber beam (2) are inverted U-shaped, and this fixedly camber beam (7) be made by stainless steel with movable camber beam (2).
10. according to the power hotsync charger for scanning acoustic microscope in situ detection described in claim 1～3 any one, it is characterized in that described clamp head (3) is for pull head or pressure head, this clamp head (3) is connected by screw on fixedly camber beam (7) or movable camber beam (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410315343.7A CN104049035B (en) | 2014-07-03 | 2014-07-03 | Force and heat synchronous loading device for in-situ detection of scanning acoustic microscope |
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| CN201410315343.7A CN104049035B (en) | 2014-07-03 | 2014-07-03 | Force and heat synchronous loading device for in-situ detection of scanning acoustic microscope |
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| CN104049035B CN104049035B (en) | 2017-01-11 |
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