CN206132344U - A device for determining resistant impact characteristic of accurate device under high acceleration shock environment - Google Patents
A device for determining resistant impact characteristic of accurate device under high acceleration shock environment Download PDFInfo
- Publication number
- CN206132344U CN206132344U CN201621170081.0U CN201621170081U CN206132344U CN 206132344 U CN206132344 U CN 206132344U CN 201621170081 U CN201621170081 U CN 201621170081U CN 206132344 U CN206132344 U CN 206132344U
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- impact
- high acceleration
- under high
- shock environment
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Abstract
The utility model relates to a device for determining resistant impact characteristic of accurate device under high acceleration shock environment, an adjusting -fixing block for a laser tube, the guide bracket of vertical setting on the base, along vertical direction setting and with guide bracket fixed connection's flight track, the setting is personally experienced sth. Part of the body on the flight track and with flight track sliding connection's impact cabin, the mechanism is responded to at the flight track top and with the propelling movement of assaulting cabin body looks adaptation to the setting, be located and strike cabin body below and bear the platform with base sliding connection's portable impact force, the setting adds speed adjustor and adds speed adjustor with the impact respectively in the impact that portable impact force bore the bench, the data acquisition processor that propelling movement response mechanism electricity is connected. Compared with the prior art, the utility model discloses the device can be created controllable high acceleration value shock environment and can detect the resistant impact characteristic of accurate device under specific high acceleration value shock environment, is convenient for use widely on a large scale, has fine application prospect.
Description
Technical field
This utility model belongs to Material mechanics test technical field, is related to accurate under high acceleration shock environment for determining
The device of device impact resistance characteristic.
Background technology
Microelectronic component finds application in increasing field now, using, transport and some are specific
Field, microelectronic component can be impacted by various hard collisions and high intensity unavoidably, and the impact being subjected to sometimes has
Higher accekeration.In addition, in the test of guided cartridge projectile penetrating hard goal, the electronic installation on shell body will bear
Acceleration more than tens of thousands of or even 100,000 gravity acceleration gs.Due to many reasons（Circuit module, cell damage, sensor,
Power lead fracture etc.）The failure of electronic installation may be caused, lose test data, cause irremediable loss.In order to
Reduce loss as far as possible, reduce the risk of field test to greatest extent, before the shooting of live shell scene, tested using Related Impulse
Device carries out the impact test of high acceleration value to chip, circuit module, test device, makes problem that may be present sudden and violent as soon as possible
Expose, and take measures to solve, so as to improve the reliability and the viability in adverse circumstances of missile-borne electronic installation.
Therefore, a kind of assay device that can produce controllable high acceleration value shock environment of design research and development becomes problem demanding prompt solution.
At present, the method for continual and steady high acceleration value shock environment is produced in addition to playing arrow and carrying test, also adopt
The method such as high-speed punching striking and supercentrifugal process.Playing arrow carried experiment needs special condition, high cost to be difficult under general case
Realize.High-speed punching striking be based on principle of conservation of momentum realize, by tested sensor be arranged on a free bar on, hammering block and
During other objects collision free bars, the acceleration exported in recording its collision process, just tested sensor can be tested or
Calibration.Although high-speed punching striking is obtained in that very high instantaneous acceleration, for existing high speed impact device, it is difficult to
High-precision measurement is realized, the repeatability of experiment cannot also be guaranteed, test sometimes.At a high speed from
Heart method is that the effect that the centrifugal force for producing simulates inertial force field is rotated using high speed centrifuge, with the centrifugation produced in rotary course
The method of acceleration simulation linear acceleration.At present, abroad, the related test of supercentrifugal process is more ripe with control technology.
At home, the research with regard to high acceleration rotation test equipment is not also extensively carried out, the experiment developed using supercentrifugal process
Device is less in high acceleration value test equipment experiment area research.
Authorization Notice No. discloses a kind of simple high-g level acceleration impact test for the Chinese patent of CN102507983B
Platform, including base, column, the seat of honour, tested sensor is pacified by head response assembly, clamping control assembly and jumper bar assembly with screw
Head response upper surface loaded on head response assembly, connects circuit, head response catch is blocked head response upper surface outer, is tightened
Head response catch screw, it is ensured that the sensor and jumper bar when jumper bar vertically falls in jumper bar assembly on head response has phase
Same initial velocity, with portable liter of jumper bar to certain altitude, will clamp the supporting rod controlled in assembly and clamp and lift joystick
So that supporting rod draw-in groove blocks supporting rod, record the height that jumper bar is lifted, set acquisition system parameter, jumper bar high velocity vertical with
Certain initial velocity and base collision reaction, produce high-g level acceleration impact signal.The testing stand adopted by above-mentioned patent must be by
Jumper bar is lifted manually, it is difficult to produce higher initial velocity.Different from above-mentioned patented technology, this utility model is in computation
Interface directly inputs spring pressure, and elevator clamps impact nacelle compression spring automatically to specified spring pressure, maximum spring pressure
Power can produce higher initial velocity up to 8000N.
Utility model content
The purpose of this utility model is exactly to provide a kind of safe operation to overcome the defect of above-mentioned prior art presence
It is convenient, controllable high acceleration value shock environment can be created and the accurate device under specific high acceleration value shock environment can be detected
The device of impact resistance characteristic.
The purpose of this utility model can be achieved through the following technical solutions：
For determining the device of accurate device impact resistance characteristic under high acceleration shock environment, the device includes base, erects
The guiding trestle that is directly arranged on base, the flight track for vertically arranging and being fixedly connected with guiding trestle, it is arranged on
The impact nacelle that is slidably connected on flight track and with flight track, it is arranged at the top of flight track and is adapted with impact nacelle
Push induction mechanism, below impact nacelle and be slidably connected with base removable impulsive force pedestal, being arranged on can
Impact acceleration actuator in mobile impulsive force pedestal and respectively with impact acceleration actuator, push induction mechanism electricity
The data collection processor of connection.
Described impact nacelle includes Contact -impact head, the environment accekeration being arranged on inside Contact -impact head sensing
Device, the sample bin base for being arranged on Contact -impact head, by sample bin base be completely encapsulated in shell body, tip upside down on sample
Sample box and the sample accelerations value sensor being arranged at the top of sample box on product orlop seat, described data acquisition process
Device is electrically connected with environment accekeration sensor, sample accelerations value sensor respectively.
Lubrication ring is provided between described shell body and Contact -impact head, and the side wall of described shell body is provided with and carries
Ear is risen, top is provided with secondary pulse cushion pad.
Described flight track is the cylindrical pipe that axis is overlapped with gravity vertical, and the back side of the cylindrical pipe is provided with light
Speed head is learned, the optically measuring speeds head is electrically connected with data collection processor.
The described induction mechanism that pushes includes the nonlinear spring being arranged on inside cylindrical pipe and is located at cylinder
Pressure transducer at the top of pipeline, the pressure transducer are electrically connected with data collection processor.
Described nonlinear spring top is connected with pressure transducer, and bottom is free end.
Described nonlinear spring is cylindrical nonlinear spring, and its external diameter is identical with the internal diameter of cylindrical pipe.
Described removable impulsive force pedestal is chopping block, and the bottom of the chopping block is provided with projection, and described base is provided with
The sliding rail being adapted with projection, described chopping block are arranged on base horizontally moveablely by sliding rail.
Described impact acceleration actuator is arranged on chopping block, and in the geometry of described impact acceleration actuator
The heart is overlapped with the geometric center of Contact -impact head.
Described impact acceleration actuator is electromagnetic damper, liquid condenser or lamellar viscoelastic material.
Wherein, described lamellar viscoelastic material can be selected from the modeling of commercially available rubber blanket, high density felt mattress or high resiliency
Backing strap.
Described chopping block is parallel with the end face of Contact -impact head.
Described data collection processor includes the hardware and software analysis system including a multi-channel high-speed data capture card
System, wherein, software analysis system can be parsed including the impulsive force including Hilbert-Huang algorithm, Principal Component Analysis Algorithm
Software.
In this utility model device, between described impact nacelle and guiding trestle, elevator is provided with, the elevator is provided with
The lifting clip slot being adapted with lifting ear, described impact nacelle are lifted up movement along cylindrical pipe by elevator.
When actually used, this utility model device using method specifically includes following steps：
1）Padded coaming is placed on below the sample box of impact nacelle, accurate device to be tested is put into into sample box
It is interior, impact nacelle is placed into specified location, instrument door is closed；
2）Cruise Control Module sends the instruction that test starts, and elevator clamping impact nacelle does straight line along cylindrical pipe
Move upwards, the cylindrical nonlinear spring of compression；
3）Pressure transducer receives spring pressure signal according to the decrement of cylindrical nonlinear spring, and in central control
Spring pressure numerical value is shown in computer；Now, whether the numerical value of the spring pressure that cruise Control Module cycle criterion is received
Meet the spring pressure numerical value of setting, if meeting, cruise Control Module sends instruction to elevator, and elevator unties locking,
Release impact nacelle；
4）Impact nacelle under the push effect of cylindrical nonlinear spring is done linear accelerating along cylindrical pipe and declines fortune
Dynamic, after cylindrical nonlinear spring active force disappears, impact nacelle does the movement of falling object；
5）When impact nacelle does the movement of falling object impact acceleration governor, optically measuring speeds head receives impact
Velocity test reflects cursor optical signal, and rate signal is transmitted to cruise Control Module, central authorities' control by data collection processor
Computer shows the velocity amplitude of impact nacelle impact acceleration governor；
6）Impact nacelle impact acceleration governor produces acceleration, now, environment accekeration sensor, sample
Accekeration sensor distinguishes sense accelerations signal, and acceleration signal is transmitted to central authorities' control electricity by data collection processor
Brain, cruise Control Module calculate impact nacelle impact acceleration governor when environment accekeration, sample accelerations
Value, and data are recorded, stored and is shown.
In this utility model, impact acceleration actuator material therefor is different, received by environment accekeration sensor
Signal is also different, i.e., the material by changing impact acceleration actuator can produce controllable accekeration impact with control device
Environment, then, then by environment accekeration sensor, the acceleration signal of sample accelerations value sensor senses, tests
The impact resistance characteristic of accurate device under padded coaming protection.
Compared with prior art, this utility model device can create controllable high acceleration value punching according to practical situation
Environment is hit, to the resistance to punching for detecting the accurate device under the shock environment of specific high acceleration value, being protected by padded coaming
Hit characteristic.This utility model has the characteristics that：
1）Primary power is obtained using the method for the cylindrical nonlinear spring of compression, it is safe；
2）It is by the synergism of the cylindrical nonlinear spring of impact acceleration actuator and compression, controllable to produce
High acceleration value shock environment, good stability；
3）Under specific high acceleration value shock environment, padded coaming is placed under sample box, accurate device to be tested
Part is put in sample box, receives acceleration signal respectively using environment accekeration sensor, sample accelerations value sensor, with
This tests the impact resistance characteristic of the accurate device under padded coaming protection for index, and safe and reliable, measuring accuracy is high, is capable of achieving
Automatic intelligent is controlled, and greatly reduces the experimental test time, and economic and practical is good, is easy to promote the use of on a large scale, with very
Good application prospect.
Description of the drawings
Fig. 1 is this utility model overall structure diagram；
Fig. 2 is that this utility model impacts section structure schematic diagram；
Description of symbols in figure：
1-base, 2-guiding trestle, 3-flight track, 4-impact nacelle, 41-Contact -impact head, 42-sample bin
Base, 43-shell body, 44-sample box, 45-environment accekeration sensor, 46-sample accelerations value sensor, 47-
Lubrication ring, 48-lifting ear, 49-secondary pulse cushion pad, 5-nonlinear spring, 6-pressure transducer, 7-removable punching
Hit power pedestal, 8-impact acceleration actuator, 9-data collection processor, 10-cruise Control Module, 11-elevator,
12-sliding rail.
Specific embodiment
This utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment：
As shown in figure 1, the device for determining accurate device impact resistance characteristic under high acceleration shock environment, the device bag
Include base 1, the guiding trestle 2 being vertically arranged on base 1, vertically arrange and be fixedly connected with guiding trestle 2 fly
Row track 3, the impact nacelle 4 for being arranged on flight track 3 and being slidably connected with flight track 3, it is arranged at the top of flight track 3
And be adapted with impact nacelle 4 push induction mechanism, below impact nacelle 4 and removable with what base 1 was slidably connected
Impulsive force pedestal 7, the impact acceleration actuator 8 being arranged in removable impulsive force pedestal 7 and respectively with impact plus
Speed regulator 8, the data collection processor 9 for pushing induction mechanism electrical connection.
As shown in Fig. 2 impact nacelle 4 includes that Contact -impact head 41, the environment being arranged on inside Contact -impact head 41 accelerate
Angle value sensor 45, the sample bin base 42 being arranged at the top of Contact -impact head 41, sample bin base 42 is completely encapsulated in
Shell body 43, tip upside down on the sample box 44 on sample bin base 42 and the sample accelerations value being arranged at the top of sample box 44
Sensor 46, data collection processor 9 are electrically connected with environment accekeration sensor 54, sample accelerations value sensor 46 respectively
Connect.Lubrication ring 47 is provided between shell body 43 and Contact -impact head 41, and the side wall of shell body 43 is provided with lifting ear 48, top
Portion is provided with secondary pulse cushion pad 49.
In addition, the back side of impact nacelle 4 is additionally provided with vertically disposed impact velocity test reflection cursor, the impact velocity is surveyed
Examination reflected light is designated as two at a distance of the rectangle reflecting piece for 32mm.
Flight track 3 is the cylindrical pipe that axis is overlapped with gravity vertical, and the back side of the cylindrical pipe is provided with optics survey
Kinetic head, the optically measuring speeds head are electrically connected with data collection processor 9.Wherein, it is provided with for sending optical signal in optically measuring speeds head
Sending module and the receiver module for receiving light pulse code signal, which is located at the cylindrical pipe back side.
Pushing induction mechanism includes the nonlinear spring 5 being arranged on inside cylindrical pipe and is located at cylindrical pipe top
The pressure transducer 6 in portion, the pressure transducer 6 are electrically connected with data collection processor 9.5 top of nonlinear spring is passed with pressure
Sensor 6 connects, and bottom is free end.Nonlinear spring 5 is the internal diameter of cylindrical nonlinear spring, its external diameter and cylindrical pipe
It is identical.
Removable impulsive force pedestal 7 is chopping block, and the bottom of the chopping block is provided with projection, and base 1 is provided with mutually is fitted with projection
The sliding rail 12 matched somebody with somebody, chopping block are arranged on base 1 horizontally moveablely by sliding rail 12.Chopping block and Contact -impact head 41
End face it is parallel.
Impact acceleration actuator 8 is arranged on chopping block, and the geometric center of impact acceleration actuator 8 is connect with impact
The geometric center of contact 41 overlaps.Wherein, impact acceleration actuator 8 is electromagnetic damper, liquid condenser or lamellar viscoelastic
Property material.Wherein, lamellar viscoelastic material can be selected from commercially available rubber blanket, high density felt mattress or elastomer pad.
Data collection processor 9 includes the hardware and software analysis system including a multi-channel high-speed data capture card, its
In, software analysis system can be including the impulsive force analysis software including Hilbert-Huang algorithm, Principal Component Analysis Algorithm.
In actual design, between impact nacelle 4 and guiding trestle 2, elevator 11 is provided with, the elevator 11 is provided with and carries
The lifting clip slot that ear 48 is adapted is risen, impact nacelle 4 is lifted up movement along cylindrical pipe by elevator 11.
When actually used, the present embodiment device using method specifically includes following steps：
1）Padded coaming is placed on below the sample box 44 of impact nacelle 4, accurate device to be tested is put into into sample
In box 44, impact nacelle 4 is placed into specified location, instrument door is closed；
2）Cruise Control Module 10 sends the instruction that test starts, and the clamping impact nacelle 4 of elevator 11 is along cylindrical pipe
Do straight line to move upwards, the cylindrical nonlinear spring 5 of compression；
3）Pressure transducer 6 receives spring pressure signal according to the decrement of cylindrical nonlinear spring 5, and in central authorities' control
Spring pressure numerical value is shown in computer processed 10；Now, the number of the spring pressure that 10 cycle criterion of cruise Control Module is received
Whether value meets the spring pressure numerical value of setting, if meeting, cruise Control Module 10 sends instruction to elevator 11, elevator
11 untie locking, release impact nacelle 4；
4）Impact nacelle 4 does linear accelerating decline along cylindrical pipe under the push effect of cylindrical nonlinear spring 5
Motion, after 5 active force of cylindrical nonlinear spring disappears, impact nacelle 4 does the movement of falling object；
5）When impact nacelle 4 does the movement of falling object impact acceleration governor 8, optically measuring speeds head receives punching
Velocity test reflection cursor optical signal is hit, rate signal is transmitted to cruise Control Module 10, central authorities by data collection processor 9
Control computer 10 shows the velocity amplitude of impact 4 impact acceleration governor 8 of nacelle；
6）4 impact acceleration governor of impact nacelle 8 produces acceleration, now, environment accekeration sensor 45,
Sample accelerations value sensor 46 distinguishes sense accelerations signal, during acceleration signal is transported to by data collection processor biography 9
Centre control computer 10, cruise Control Module 10 calculate environment acceleration during impact 4 impact acceleration governor 8 of nacelle
Value, sample accelerations value, and data are recorded, stored and is shown.
When actually used, 8 material therefor of impact acceleration actuator is different, and environment accekeration sensor 45 is received
The signal for arriving is also different, i.e., the material by changing impact acceleration actuator 8 can produce controllable acceleration with control device
Value shock environment, then, then the acceleration letter perceived by environment accekeration sensor 45, sample accelerations value sensor 46
Number, test the impact resistance characteristic of the accurate device under padded coaming protection.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use practicality
It is new.Person skilled in the art obviously easily can make various modifications to these embodiments, and here is illustrated
General Principle be applied in other embodiment without through performing creative labour.Therefore, this utility model is not limited to above-mentioned
Embodiment, those skilled in the art according to announcement of the present utility model, the improvement made without departing from this utility model category and
Modification all should be within protection domain of the present utility model.
Claims (8)
1. it is used for determining the device of accurate device impact resistance characteristic under high acceleration shock environment, it is characterised in that the device bag
Include base, the guiding trestle being vertically arranged on base, the flight rail for vertically arranging and being fixedly connected with guiding trestle
Road, the impact nacelle for being arranged on flight track and being slidably connected with flight track, be arranged at the top of flight track and with impact
What nacelle was adapted push induction mechanism, below impact nacelle and the removable impulsive force that is slidably connected with base is born
Platform, the impact acceleration actuator being arranged in removable impulsive force pedestal and respectively with impact acceleration actuator, push away
The data collection processor for sending induction mechanism to electrically connect；
Described impact nacelle includes Contact -impact head, the environment accekeration sensor being arranged on inside Contact -impact head, sets
Put in the sample bin base of Contact -impact head, by sample bin base the shell body in being completely encapsulated in, tip upside down on sample bin
Sample box and the sample accelerations value sensor being arranged at the top of sample box on base, described data collection processor point
Do not electrically connect with environment accekeration sensor, sample accelerations value sensor；
Described flight track is the cylindrical pipe that axis is overlapped with gravity vertical, and the back side of the cylindrical pipe is provided with optics survey
Kinetic head, the optically measuring speeds head are electrically connected with data collection processor.
2. the device for determining accurate device impact resistance characteristic under high acceleration shock environment according to claim 1,
Characterized in that, be provided between described shell body and Contact -impact head on lubrication ring, and the side wall of described shell body setting
There is lifting ear, top is provided with secondary pulse cushion pad.
3. the device for determining accurate device impact resistance characteristic under high acceleration shock environment according to claim 1,
Characterized in that, the described induction mechanism that pushes includes the nonlinear spring being arranged on inside cylindrical pipe and is located at cylinder
Pressure transducer at the top of shape pipeline, the pressure transducer are electrically connected with data collection processor.
4. the device for determining accurate device impact resistance characteristic under high acceleration shock environment according to claim 3,
Characterized in that, described nonlinear spring top is connected with pressure transducer, bottom is free end.
5. the device for determining accurate device impact resistance characteristic under high acceleration shock environment according to claim 1,
Characterized in that, described removable impulsive force pedestal is chopping block, the bottom of the chopping block is provided with projection, sets on described base
There is the sliding rail being adapted with projection, described chopping block is arranged on base horizontally moveablely by sliding rail.
6. the device for determining accurate device impact resistance characteristic under high acceleration shock environment according to claim 5,
Characterized in that, described impact acceleration actuator is arranged on chopping block, and described impact acceleration actuator is several
What center is overlapped with the geometric center of Contact -impact head.
7. the device for determining accurate device impact resistance characteristic under high acceleration shock environment according to claim 6,
Characterized in that, described impact acceleration actuator is electromagnetic damper, liquid condenser or lamellar viscoelastic material.
8. the device for determining accurate device impact resistance characteristic under high acceleration shock environment according to claim 6,
Characterized in that, described chopping block is parallel with the end face of Contact -impact head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170081.0U CN206132344U (en) | 2016-10-26 | 2016-10-26 | A device for determining resistant impact characteristic of accurate device under high acceleration shock environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170081.0U CN206132344U (en) | 2016-10-26 | 2016-10-26 | A device for determining resistant impact characteristic of accurate device under high acceleration shock environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132344U true CN206132344U (en) | 2017-04-26 |
Family
ID=58576179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621170081.0U Expired - Fee Related CN206132344U (en) | 2016-10-26 | 2016-10-26 | A device for determining resistant impact characteristic of accurate device under high acceleration shock environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206132344U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870287A (en) * | 2019-03-07 | 2019-06-11 | 中北大学 | The high g load load point photoelectric eye of ignition capacitor and test method |
| CN110631796A (en) * | 2019-10-09 | 2019-12-31 | 中国铁建重工集团股份有限公司 | Testing device |
-
2016
- 2016-10-26 CN CN201621170081.0U patent/CN206132344U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870287A (en) * | 2019-03-07 | 2019-06-11 | 中北大学 | The high g load load point photoelectric eye of ignition capacitor and test method |
| CN110631796A (en) * | 2019-10-09 | 2019-12-31 | 中国铁建重工集团股份有限公司 | Testing device |
| CN110631796B (en) * | 2019-10-09 | 2022-03-29 | 中国铁建重工集团股份有限公司 | Testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20171026 |