CN209416639U - Laser pumping formula firer's shock simulation device - Google Patents
Laser pumping formula firer's shock simulation device Download PDFInfo
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- CN209416639U CN209416639U CN201821991046.4U CN201821991046U CN209416639U CN 209416639 U CN209416639 U CN 209416639U CN 201821991046 U CN201821991046 U CN 201821991046U CN 209416639 U CN209416639 U CN 209416639U
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Abstract
The utility model discloses a kind of laser pumping formula firer shock simulation device, comprising: resonance device；Big energy solids laser, solid state laser emit laser, and laser action is in generation shock response on resonance device and then is transferred on test specimen；And the parameters such as output energy, energy density, pulsewidth and the laser frequency of laser are adjusted in laser controller, laser controller, to adapt to the requirement of different shock response spectrums, resonance device includes: load plate, resonant panel and transmitting block.It transmits block to be arranged between load plate resonator board, for adjusting the shock response generated on resonant panel.By the coupling of laser pumping and resonance device, the utility model can quickly, the impact of stable simulation transient state, high frequency, high-magnitude, the controllability of the repeatability of table top, uniformity and laser is better, being capable of preferably simulation firer's shock response.
Description
Technical field
The utility model relates to mechanical environment technical fields, more particularly to firer's shock simulation device.
Background technique
Spacecraft firer's shock environment is caused by the priming system detonation in the courses of work such as satellite and the rocket separation, parts expansion
Act in structure transient impact response, have the characteristics that transient state, high frequency, high-magnitude, be spacecraft in Life cycle
Most harsh one of the mechanical environment of interior experience.The acceleration responsive amplitude of firer's impact may be up to 200000g, when effect lasts
Between be less than 20ms, main frequency is in 100Hz~100kHz range.Firer impact can on spacecraft contain crystal oscillator, brittleness material
The sophisticated electronics of material etc. cause fatal damage, influence even to terminate space mission in advance.
In order to improve the working performance and reliability of spacecraft, need accurately to simulate firer's shock environment, test space flight produces
The tolerance that product impact firer.Currently, ground firer's shock simulation test method can substantially be divided into the explosive and non-fire of firer
Explosive two kinds of work.The explosive test of firer, as test impulse source, it is quick-fried can to simulate true priming system using true priming system
The fried high frequency generated and high acceleration magnitude, test accuracy are high.But the explosive simulation test device of firer is used, in formal test
Preceding needs, which carry out multiple trial and error, can just obtain required shock response spectrum, and test result repeatability is poor, and experimentation cost height,
Period is long, there are biggish security risks.The non-explosive simulation test of firer can be divided into mechanical impact mode and shake table mould again
It is two kinds quasi-.This kind of analogy method has the advantages that reproducible, experimentation cost is low etc..Country's space product shock simulation test at present
Mainly use such method.But the non-explosive method analog frequency of firer is only applicable to simulation fire generally within 10kHz
In work impact, the response in far field, the high-frequency characteristic of firer's impulse source can not be simulated, will lead to " low frequency is crossed ", " high frequency is owed " asks
Topic." low frequency overtesting ", which will cause the reasonable equipment of design, can not go up to the sky to use by ground experiment, and " high frequency owes examination
Test " then make some defective space products of design " going up to the sky in spite of illness ", it is in-orbit to break down, cause the loss that can not be retrieved.Cause
This, needs to develop a kind of high-precision firer shock simulation device, realizes the accurate simulation of the true firer's shock environment of space product,
Test is provided for China's space flight Project R&D to ensure.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of firer's shock simulation device, the dress
Setting has many advantages, such as that quick, stable, magnitude is high, frequency is high, realizes the impact test requirement of transient state, high frequency, high-magnitude.
The utility model technical issues that need to address are to provide a kind of high-precision firer shock simulation experimental rig, realize
Accurate simulation, test and the analysis of the true firer's shock environment of space product.In order to solve the above technical problems, the utility model mentions
Go out a kind of laser pumping formula firer impact ground simulation test device, comprising:
Resonance device；
Solid state laser, solid state laser emit laser, and laser action is in generation shock response on resonance device and then passes
It is handed on test specimen；With
Laser control apparatus, laser control apparatus join output energy, energy density, pulsewidth and laser frequency of laser etc.
Amount is adjusted, to adapt to the requirement of different shock response spectrums,
It is characterized in that,
Resonance device includes:
Load plate, load plate are horizontally hung by flexible cable and are located on resonance device；
Resonant panel, resonant panel are located above load plate, and test specimen is placed on resonant panel；
Block is transmitted, transmitting block is arranged between load plate resonator board, rings for adjusting the impact generated on resonant panel
It answers.
One embodiment according to the present utility model, resonance device are cuboid aluminium profile structure, are bolted on
On workbench.
One embodiment according to the present utility model, load plate resonator board are all aluminum alloy materials, and load plate passes through four
Flexible cable is horizontally sling on resonance device, and resonant panel is fixedly provided in load plate by four transmitting blocks
Side.
One embodiment according to the present utility model, load plate include: plate body, and plate body is impact transmitting carrier；Waveform hair
Raw device, stating waveform generator is the different mass block of rigidity, and shock response spectrum shape control may be implemented by adjusting waveform generator
System；Absorbed layer, absorbed layer are aluminium foil or black tape, and absorbed layer is adhered on waveform generator；And restraint layer, restraint layer K9
Glass or moisture film, to form one layer of constraint above absorbed layer.When the impact position of laser emission load plate, due to absorbing
Layer absorbs large energy in a very short period of time, and the rapid ablation of meeting generates plasma, and constantly gathers under the action of restraint layer
The shock wave of high-magnitude is formed on the waveform generator of load plate, it, can be with by adjusting waveform generator material stiffness
Generate the shock wave with certain spectrum shape.One embodiment according to the present utility model transmits block by steel, aluminium alloy or rubber material
Material is made, and the height for transmitting block can be adjusted in a certain range, by adjusting the material or height of transmitting block, can control
Shock response spectrum inflection point.
One embodiment according to the present utility model, resonant panel are made of aluminum alloy materials, by adjusting the big of resonant panel
Small or quality can adjust shock response spectrum inflection point.
One embodiment according to the present utility model, solid state laser are Nd:YAG solid state laser, solid state laser packet
Include: laser pumping system, laser pumping system include oscillator stage part and Energy amplification part；Cooling system, cooling system
Cooling is provided for laser pumping system；And power supply system, power supply system provide electric power for laser pumping system.
One embodiment according to the present utility model, laser controller include: laser parameter computational submodule, laser parameter
Computational submodule calculates the requirement parameter of different shock response spectrums；Submodule is adjusted with laser parameter, laser parameter adjusts submodule
Block can adjust the parameters such as laser output energy, energy density, pulsewidth and laser frequency.When collected shock response data
When being transferred to laser controller, laser parameter computational submodule carries out the calculating of the response shock response spectrum first, and uses peak
The method of value envelope extracts the parameters such as the spectrum shape, inflection point, magnitude of shock response spectrum respectively, and parameter corresponding with experiment condition into
Row comparison, if meeting experiment condition, operation terminates；If not meeting experiment condition, laser parameter, which adjusts submodule, to be continued to adjust
The parameters such as laser pulse width, energy, repetition rate simultaneously send a command to solid state laser by external controlled interface, swash to control solid
Light device generates laser action in resonance device, until the shock response measured reaches experiment condition requirement, loop termination.
One embodiment according to the present utility model, is fixedly installed reflecting mirror and focus lamp on workbench, passes through
The angle for adjusting reflecting mirror, the laser for generating solid state laser accurately act on energized position, and by adjusting focus lamp
Position, focal position can be adjusted, further adjustment effect is in the laser spot diameter of impact position.Focus lamp position passes through
Sliding rail design is adjusted, and marks the corresponding focus lamp position of each laser spot diameter on the slide rail by way of Experimental Calibration
It sets, to facilitate the adjusting of spot diameter in experimentation.
A kind of firer's shock simulation device of another embodiment according to the present utility model, comprising: memory, for depositing
Store up executable instruction；And processor, for executing the executable instruction stored in memory, to perform the following operations: adding
Absorbed layer is pasted at the impact position of support plate, water pipe is opened, to form water membrane above absorbed layer；Open laser controlling
Device adjusts the parameters such as laser single-pulse energy, pulsewidth according to shock response spectrum, generates high energy, narrow to control solid state laser
Pulse width laser；Mirror angle is adjusted, so that laser reflection passes through focus lamp；By adjusting the position of focus lamp, laser is adjusted
Focal length and spot diameter, so that laser focuses at the impact position of load plate；Absorbed layer absorbs energy, so that ablation is to produce
Raw plasma, and accumulation forms the shock wave of high-magnitude in load plate under the action of restraint layer；Shock wave passes through biography
It passs block and is transferred to resonant panel, cause the shock response of resonant panel, and act on test specimen.
The firer of one embodiment according to the present utility model impact ground simulation test device beneficial effect include but
It is not limited to following one or more:
Transient state, high frequency, high-magnitude shock environment and true firer's shock environment of the utility model have preferable
Consistency；
The utility model has preferable repeatability, controllability, table top uniformity and stability；
The utility model impact process loading device is not generated destruction, it can be achieved that loading device it is reusable, have
Effect reduces cost and test period；
The utility model by adjust various parameters, such as laser energy, spot diameter, transmitting block height and load plate and
Board size etc. is responded, it can be achieved that shock response spectrum composes the adjusting of shape, magnitude, inflection point, adaptation spacecraft difference priming system, different positions
The shock response simulation for setting place requires.
Detailed description of the invention
The embodiments of the present invention are described in detail by referring to accompanying drawing, the utility model will become clearer, multiple
Embodiment is illustrated in the accompanying drawings with for explanatory purposes, and never should be understood that the range of limitation embodiment.Separately
Outside, the various features of different disclosed embodiments can be combined to form Additional examples of composition, and Additional examples of composition is the disclosure
A part, in which:
Fig. 1 is the design diagram of laser pumping formula firer's shock simulation device of the utility model embodiment；
Fig. 2 is the structural schematic diagram of laser pumping formula firer's shock simulation device of the utility model embodiment；
Fig. 3 is that the laser beam of laser pumping formula firer's shock simulation device of the utility model embodiment acts on load plate
On schematic diagram；
Fig. 4 is the control of the laser controller of laser pumping formula firer's shock simulation device of the utility model embodiment
Journey schematic diagram；
Fig. 5 is the reflecting mirror of laser pumping formula firer's shock simulation device of the utility model embodiment, focus lamp and adds
The locations of structures schematic diagram of support plate.
Description of symbols:
1- resonance device；
2- load plate；
3- resonant panel；
4- transmits block；
5- flexible cable；
6- test specimen；
The big energy solids laser of 7-；
8- laser controller；
9- reflecting mirror；
10- focus lamp；
11- workbench
12- plate body
13- waveform generator
14- absorbed layer
15- restraint layer
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.?
In specification, the same or similar drawing reference numeral indicates the same or similar component.It is following real to the utility model referring to attached drawing
The explanation for applying mode is intended to explain the overall utility model design of the utility model, and is not construed as practical to this
A kind of novel limitation.
Before any embodiment of the utility model is specifically described, it should be appreciated that concept disclosed herein will not
The arrangement of the thin portion of construction and component that their application is restricted to illustrate in the following description or illustrate in the following figures.?
The concept illustrated in these embodiments can be practiced or carried out in various ways.Specific phrase and term used herein in order to
Convenient for description, and should not be considered limiting.
Below in conjunction with the attached drawing in embodiment, the technical solution in embodiment specifically, clearly and completely retouch
It states.
Fig. 1 is the design diagram of laser pumping formula firer's shock simulation device of the utility model embodiment.Such as Fig. 1 institute
Show, laser controller adjusts the parameters such as laser single-pulse energy, pulsewidth according to shock response spectrum, to control solid state laser production
Raw big flux, narrow spaces laser action act on tested space structure testpieces on resonance device, then will count
According to being transferred in data collection system.Data collection system is in turn to laser controller output order.
Referring to shown in Fig. 2, a kind of laser pumping formula firer shock simulation device, including resonance device main body frame 1, load
Plate 2, resonant panel 3, solid state laser 7, laser controller 8, reflecting mirror 9 and focus lamp 10.Resonance device main body frame 1 is set to work
Make on platform 11, load plate 3 by four flexible cables 5, sling by the level on resonance device main body frame 1, and resonant panel 3 passes through four
A transmitting block 4 is fixedly arranged on 2 top of load plate, and laser controller 8 controls solid state laser 7 and generates superlaser, passes through reflecting mirror 9
It is acted in load plate 2 with focus lamp 10, and required shock response is generated on resonant panel 3 by adjusting transmitting block 4.
Referring to shown in Fig. 2, resonance device main body frame 1 is cuboid aluminium profile structure, by corner brace and is bolted simultaneously
It is installed on workbench.
Referring to shown in Fig. 2,2 resonator board 3 of load plate is aluminum alloy materials, and load plate 2 is by four flexible cables 5 in resonance
Level is sling on apparatus main body frame 1, and resonant panel 3 is fixedly arranged on 2 top of load plate by four columns 4.
Referring to shown in Fig. 3, load plate 2 includes plate body 12, waveform generator 13, absorbed layer 14 and restraint layer 15, plate body 12
Carrier is transmitted for impact, waveform generator 13 is the different mass block of rigidity, may be implemented to rush by adjusting waveform generator 13
The control of response spectra spectrum shape is hit, absorbed layer 14 is the materials such as aluminium foil, black tape, is adhered on waveform generator 13, restraint layer 15
For K9 glass, moisture film etc., one layer of constraint is formed above absorbed layer 14.When the impact position of bombardment with laser beams load plate 2, due to
Absorbed layer 14 absorbs large energy in a very short period of time, and the rapid ablation of meeting generates plasma, and under the action of restraint layer 15
The shock wave for forming high-magnitude is constantly gathered on the waveform generator 13 of load plate 2, passes through and adjusts waveform generator 13
Material stiffness can produce the shock wave with certain spectrum shape.
Referring to shown in Fig. 2, transmitting block 4 is the materials such as steel, aluminium alloy, rubber, and its height is adjustable in a certain range, is led to
The material and height for overregulating column, may be implemented the control of shock response spectrum inflection point.
Referring to shown in Fig. 2, resonant panel 3 is the different aluminum alloy materials of size, quality, by adjust resonant panel 3 size,
Quality, may be implemented the adjusting of shock response spectrum inflection point, while resonant panel 3 is the mounting plate of institute's test equipment, on resonant panel 3
Even punching, convenient for the installation of equipment.
Referring to shown in Fig. 2, solid state laser 7 is Nd:YAG solid state laser, by laser pumping system, cooling system and confession
Electric system three parts composition, laser pumping system is the core of laser, including oscillator stage and Energy amplification two
Point, power supply system and cooling system are to guarantee that laser-impact simulator is normal, key component of steady operation.
Referring to shown in Fig. 4, laser controller 8 includes that laser parameter computational submodule and laser parameter adjust submodule, can
To realize the adjusting of the parameters such as laser output energy, energy density, pulsewidth and laser frequency, different shock response spectrums are adapted to
It is required that.When collected shock response data are transferred to laser controller 8, laser parameter computational submodule carries out the sound first
The calculating of shock response spectrum is answered, and the ginseng such as spectrum shape, inflection point, magnitude of shock response spectrum is extracted using the method for peak envelope respectively
Number, and parameter corresponding with experiment condition compares, if meeting experiment condition, operation terminates；If not meeting experiment condition,
Laser parameter, which adjusts submodule, to be continued to adjust the parameters such as laser pulse width, energy, repetition rate and send by external controlled interface to instruct
To solid state laser 7, so that controlling solid state laser 7 generates laser action in resonance device, until the shock response measured reaches
To experiment condition requirement, loop termination.
Referring to shown in Fig. 2 and Fig. 5, reflecting mirror 9 and focus lamp 10 are fixedly arranged on workbench 11, by adjusting reflecting mirror 9
Angle makes laser accurately act on energized position, effectively adjusts laser focus position by adjusting focus lamp 10, realizes laser light
Spot diameter it is adjustable.10 position of focus lamp is adjusted by sliding rail design, is marked on the slide rail by way of Experimental Calibration
The corresponding focus lamp position of each laser spot diameter, to facilitate the adjusting of spot diameter in experimentation.
A kind of laser pumping formula firer shock simulation device according to the present utility model, including it is resonance device, load plate, humorous
Vibration plate, solid state laser, laser controller, reflecting mirror and focus lamp.Resonance device main body frame is set on workbench, load
Plate by four flexible cables, sling by the level on resonance device main body frame, and resonant panel is fixedly arranged on load plate by four transmitting blocks
Top, laser controller control solid state laser and generate superlaser, acted in load plate by reflecting mirror and focus lamp, and
Required shock response is generated on resonant panel by adjusting transmitting block.
One embodiment according to the present utility model, resonance device main body frame are cuboid aluminium profile structure, pass through angle
Code and be bolted and be installed on workbench.Load plate resonator board is aluminum alloy materials, and load plate passes through four flexibilities
Rope level on resonance device is sling, and resonant panel is fixedly arranged on above load plate by four transmitting blocks.Further, load plate packet
Rubbing board body, waveform generator, absorbed layer and restraint layer.Plate body is impact transmitting carrier, and waveform generator is the different matter of rigidity
The control that shock response spectrum composes shape may be implemented by adjusting waveform generator in gauge block, and absorbed layer is the materials such as aluminium foil, black tape
And it is adhered on waveform generator, restraint layer is K9 glass, moisture film etc. to form one layer of constraint above absorbed layer.More into one
Step, column is the materials such as steel, aluminium alloy, rubber, and its height is adjustable in a certain range, by the material for adjusting transmitting block
And height, the control of shock response spectrum inflection point may be implemented.Further, the aluminium alloy that resonant panel is size, quality is different
By adjusting size, the quality of resonant panel the adjusting of shock response spectrum inflection point may be implemented, while resonant panel is is surveyed in material
The mounting plate of equipment is tried, is uniformly punched on resonant panel, convenient for the installation of equipment.
One embodiment according to the present utility model, solid state laser is Nd:YAG solid state laser, by laser pumping system
System, cooling system and power supply system three parts composition, laser pumping system is the core of laser, including oscillator stage and
Energy amplification two parts, power supply system and cooling system are the key that guarantee that laser-impact simulator is normal, steady operation
Part.Laser controller includes that laser parameter computational submodule and laser parameter adjust submodule, and laser output energy may be implemented
The adjusting of the parameters such as amount, energy density, pulsewidth and laser frequency adapts to the requirement of different shock response spectrums.Reflecting mirror and poly-
Burnt mirror is fixedly arranged on workbench, by adjusting mirror angle, so that laser is accurately acted on energized position, is focused by adjusting
Mirror effectively adjusts laser focal, realizes the adjustable of laser spot diameter.
One embodiment according to the present utility model, a kind of workflow of laser pumping formula firer shock simulation device is such as
Under:
Aluminium foil is pasted first at 2 impact position of load plate as absorbed layer, is opened water pipe, is formed one above absorbed layer
Layer stablizes, the moisture film of Uniform Flow, opens laser controller 8, according to requiring shock response spectrum to adjust laser single-pulse energy, arteries and veins
The parameters such as width, thus control solid state laser 7 generate stabilizations, high energy, narrow spaces laser, adjusting 9 angle of reflecting mirror, make laser
It is reflected through focus lamp 10, by adjusting 10 position of focus lamp, laser focal and spot diameter is adjusted, focuses on laser and add
The impact position of support plate 2, since absorbed layer absorbs large energy in a very short period of time, the rapid ablation of meeting generates plasma, and
The shock wave for forming high-magnitude is constantly gathered under the action of restraint layer in load plate 2, shock wave passes through 4 transmitting blocks 4
It is transferred to resonant panel 3, causes the shock response of resonant panel 3, and acts on test specimen 6.
Shown in the drawings of some block diagrams and/or flow chart.It should be understood that some sides in block diagram and/or flow chart
Frame or combinations thereof can be realized by computer program instructions.These computer program instructions can be supplied to general purpose computer,
The processor of special purpose computer or other programmable data processing units, so that these instructions are when executed by this processor can be with
Creation is for realizing function/operation device illustrated in these block diagrams and/or flow chart.
Therefore, the technology of the disclosure can be realized in the form of hardware and/or software (including firmware, microcode etc.).Separately
Outside, the technology of the disclosure can take the form of the computer program product on the computer-readable medium for being stored with instruction, should
Computer program product uses or combines instruction execution system for instruction execution system (for example, one or more processors)
It uses.In the context of the disclosure, computer-readable medium, which can be, can include, store, transmitting, propagating or transmitting instruction
Arbitrary medium.For example, computer-readable medium can include but is not limited to electricity, magnetic, optical, electromagnetic, infrared or semiconductor system,
Device, device or propagation medium.The specific example of computer-readable medium includes: magnetic memory apparatus, such as tape or hard disk
(HDD)；Light storage device, such as CD (CD-R0M)；Memory, such as random access memory (RAM) or flash memory；And/or wired/
Wireless communication link.
Above detailed description has elaborated that firer impacts ground face mould by using schematic diagram, flow chart and/or example
Numerous embodiments of quasi- experimental rig.It include one or more functions and/or behaviour in this schematic diagram, flow chart and/or example
In the case where work, it will be understood by those skilled in the art that each function and/or operation in this schematic diagram, flow chart or example
It can be by various structures, hardware, software, firmware or substantially their any combination is come individually and/or common realization.One
In a embodiment, if the stem portion of theme described in embodiment of the disclosure can by specific integrated circuit (ASIC), scene
Programming gate array (FPGA), digital signal processor (DSP) or other integrated formats are realized.However, those skilled in the art
It should be understood that some aspects of embodiments disclosed herein can equally be realized in integrated circuit on the whole or partly
In, the one or more computer programs for being embodied as running on one or more computer are (for example, be embodied as at one or more
The one or more programs run in platform computer system), it is embodied as run on the one or more processors one or more
A program (for example, being embodied as the one or more programs run in one or more microprocessors), is embodied as firmware, or
Substantially be embodied as any combination of aforesaid way, and those skilled in the art are according to the disclosure, will be provided with design circuit and/
Or the ability of write-in software and/or firmware code.In addition, it would be recognized by those skilled in the art that the machine of theme described in the disclosure
System can be distributed as the program product of diversified forms, and no matter actually be used to execute the signal bearing medium of distribution
How is concrete type, and the exemplary embodiment of theme described in the disclosure is applicable in.The example of signal bearing medium includes but unlimited
In: recordable-type media, such as floppy disk, hard disk drive, compact-disc (CD), digital versatile disc (DVD), digital magnetic tape, computer
Memory etc.；And transmission type media, such as number and/or analogue communication medium are (for example, optical fiber cable, waveguide, wire communication chain
Road, wireless communication link etc.) ".
The utility model is described referring to exemplary embodiment.It will become apparent, however, that those skilled in the art are upper
Various selectable variations and modifications can be apparent from by stating under the introduction of description.Thus, the utility model includes to fall into appended power
All selectable variations and modifications within spirit and scope that benefit requires.It is emphasized that can be to above-described embodiment
Many change and modification are carried out, element therein will be understood as among other acceptable examples.Herein, all this is repaired
Change example and change case is intended to be included in the scope of the present disclosure.Description above-mentioned shows the details of some embodiments.However,
It should be appreciated that no matter how above content is described in detail in text or attached drawing, device and method can be implemented in numerous ways.
As described above, it is noted that the specific term used when describing certain features or aspect of the utility model is not construed as
Mean term redefine herein for be restricted to include device and method associated with term features or aspect
Any specific feature.
Claims (8)
1. a kind of laser pumping formula firer shock simulation device, comprising:
Resonance device；
Big energy solids laser (7), the solid state laser emit laser, and the laser action is produced on the resonance device
Raw shock response is transferred on test specimen (6) in turn；With
Laser controller (8), the laser controller (8) is to the output energy of the laser, energy density, pulsewidth and laser frequency
Rate is adjusted, to adapt to the requirement of different shock response spectrums,
It is characterized in that,
The resonance device includes:
Main body frame (1)；
Load plate (2), the load plate (2) are horizontally hung by flexible cable (5) and are located on the main body frame (1)；
Resonant panel (3), the resonant panel (3) are located above the load plate (2), and the test specimen (6) is placed on described humorous
On vibration plate (3)；With
It transmits block (4), the transmitting block (4) is arranged between the load plate (2) and the resonant panel (3), for adjusting
The shock response generated on resonant panel (3).
2. a kind of laser pumping formula firer shock simulation device according to claim 1, it is characterised in that: the resonance dress
It is set to free suspension type structure, is bolted on workbench.
3. firer's shock simulation device according to claim 1, it is characterised in that: the load plate (2) and the resonance
Plate (3) is aluminum alloy materials or aluminum honeycomb structure, and the load plate (2) is horizontally hung by multiple flexible cables (5) is located at main body
On frame (1), and the resonant panel (3) is fixedly provided in above the load plate (2) by multiple transmitting blocks (4).
4. firer's shock simulation device according to claim 1, which is characterized in that the load plate (2) includes:
Plate body (12), the plate body are impact transmitting carrier；
Waveform generator (13), the waveform generator are the different mass block of rigidity, can be real by adjusting waveform generator
Existing shock response spectrum shape control；
Absorbed layer (14), the absorbed layer are aluminium foil or black tape, and the absorbed layer is adhered on the waveform generator；With
Restraint layer (15), the restraint layer is K9 glass or moisture film, to form one layer of constraint above absorbed layer.
5. firer's shock simulation device according to claim 1, it is characterised in that: the transmitting block (4) is by steel, aluminium alloy
Or rubber material is made, the height of the transmitting block can be adjusted, can by adjusting the material or height of the transmitting block
Control shock response spectrum inflection point.
6. firer's shock simulation device according to claim 1, it is characterised in that: the resonant panel (3) is by aluminium alloy material
Material or aluminum honeycomb structure are made, and by adjusting the size or quality of the resonant panel, can adjust shock response spectrum inflection point.
7. firer's shock simulation device according to claim 1, which is characterized in that the laser controller (8) includes:
Laser parameter computational submodule, the laser parameter computational submodule calculate the requirement parameter of different shock response spectrums；With
Laser parameter adjusts submodule, and the laser parameter, which adjusts submodule, can adjust laser output energy, energy density, arteries and veins
Wide and laser frequency parameter.
8. firer's shock simulation device according to claim 2, which is characterized in that be fixedly installed on workbench anti-
Mirror (9) and focus lamp (10) are penetrated, by adjusting the angle of the reflecting mirror (9), the laser for generating the solid state laser (7)
Accurately act on energized position, and the position by adjusting the focus lamp (10), laser focus position can be adjusted, with into
One step section laser spot diameter.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109443682A (en) * | 2018-11-29 | 2019-03-08 | 清华大学 | Laser pumping formula firer's shock simulation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443682A (en) * | 2018-11-29 | 2019-03-08 | 清华大学 | Laser pumping formula firer's shock simulation device |
| CN109443682B (en) * | 2018-11-29 | 2024-02-09 | 清华大学 | Laser excitation type initiating explosive device impact simulation device |
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