CN104864015A - Vibration damping device, electronic device comprising same as well as mobile equipment - Google Patents
Vibration damping device, electronic device comprising same as well as mobile equipment Download PDFInfo
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- CN104864015A CN104864015A CN201410064059.7A CN201410064059A CN104864015A CN 104864015 A CN104864015 A CN 104864015A CN 201410064059 A CN201410064059 A CN 201410064059A CN 104864015 A CN104864015 A CN 104864015A
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- 238000013016 damping Methods 0.000 title claims abstract description 207
- 230000035939 shock Effects 0.000 claims description 33
- 239000006096 absorbing agent Substances 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 15
- 239000000956 alloy Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229920000965 Duroplast Polymers 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims description 2
- 239000011368 organic material Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 27
- 230000001629 suppression Effects 0.000 description 11
- 230000004044 response Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229920001875 Ebonite Polymers 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
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- 238000007689 inspection Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- General Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a vibration damping device, an electronic device comprising the same as well as mobile equipment. The vibration damping device comprises a support part, vibration damping parts and an optional fixing part, wherein the support part is used for supporting the vibration damping parts, and the fixing part is used for fixing the vibration damping device. The vibration damping device is characterized in that at least part of each vibration damping part is made of an elastic organic material and comprises a vibration damping part opening and an elastic vibration damping structure accommodated in the vibration damping part opening, and the vibration damping structure approximately adopts an H-shaped, cross or Y-shaped structure.
Description
Technical field
The present invention relates to a kind of vibration damping equipment.The invention still further relates to a kind of electronic equipment and the mobile device that comprise this vibration damping equipment.
Background technique
Along with the development of science and technology, increasing electronic product and sophisticated electronics incorporate in daily life.Especially such as vehicle-mounted hard disk videocorder (DVR, Digital VideoRecord) etc. electronic product and/or sophisticated electronics can be widely used in the mobile traffics such as public transport, long-distance passenger transportation, school bus, engineering truck, container truck, tourist bus, logistics shipping, police enforcement vehicle, train, subway, steamer, aircraft, carry out audio-visual synchronization video recording, global location, wireless audio and video real-time Transmission etc., more convenient the life for people provides.But under many circumstances, these electronic products and/or sophisticated electronics are loaded in the machinery equipment of movement, machinery equipment, in moving process, can occur jolting because of road conditions etc. unavoidably, cause vibration.And these electronic products and/or sophisticated electronics are often to vibrating and impacting very sensitive, too much vibration can cause these electronic products and/or sophisticated electronics accelerated wear test, even damage.
In order to solve the vibration damping problem of electronic product in mobile apparatus and/or equipment and/or sophisticated electronics, developing a lot of product, having comprised such as spring damping structure, wire rope vibration damping structure and liquid-springing structure etc.
A kind of hard disk damping shock absorber is disclosed in CN2678065Y, this hard disk damping shock absorber comprises outer support framework, be contained in outer support lower portion for installing suspension holdfast in Fixed disk, be placed in resisting medium between interior suspension holdfast and outer support framework and eight damping springs, wherein the first paragraph of each root damping spring is connected in one of them of eight interior angles of outer support framework, and the second end is connected to the position relative with first end place interior angle on interior suspension holdfast.
CN201725577U discloses a kind of removable car-mounted hard disk vibration-absorbing system, this vibration insulating system comprises shock absorber bracket and hard disk plug box core, wherein hard disk plug box core to be fixed in hard-disk cartridge support by the wire rope damping shock absorber of described hard-disk cartridge two outer side surface by hard-disk cartridge and to form, and is arranged in described shock absorber bracket in the mode that can extract.
Liquid-springing structure normally adopts lubricating cup vibration damping.CN2396503Y discloses a kind of Special oil cup of oil damping for circuit breaker, and this lubricating cup comprises cup, plunger, spring, silicone oil and bowl cover, and plunger, spring, silicone oil are loaded in cup, cup top dress bowl cover.
CN201285657Y discloses a kind of vibration isolating apparatus for hard disc, this vibration isolating apparatus for hard disc comprises the upper fixed cover and the bottom plate that are fixed together and are formed and can hold the sylphon shape of hard disk, multiple square foam vibration isolator and rubber sleeve are located on the inner circle wall of sylphon shape, are enveloped by the hard disk of accommodation thus play vibration isolation effect.
But still in the urgent need to one, not only structure is simple, takes up room little, and installs simple, the device that excellent vibration damping protecting against shock can be provided to protect for electronic product and sophisticated electronics of long working life.
Summary of the invention
The invention provides a kind of vibration damping equipment, it can provide excellent vibration damping protecting against shock protection for electronic product and sophisticated electronics.According to vibration damping equipment of the present invention, not only structure is simple, takes up room little, and installs simple, long working life.
According to an aspect of the present invention, a kind of vibration damping equipment is provided, it comprises support unit, damping means and optional fixed component, described support unit is for supporting described damping means, described fixed component is used for fixing described vibration damping equipment, wherein: being made up of elastic material at least partially of described damping means, and described damping means has damping means opening and is contained in the elastic damping structure in described damping means opening, and described elastic damping structure is roughly H-shaped, cross or Y-shaped structure.Preferably, described support unit is provided with support unit opening and described damping means opening aims at described support unit opening.
In one embodiment, described vibration damping structure has roughly H-shaped structure, this H-shaped structure comprises the shock absorber section as H-shaped two limits, the attachment portion as H-shaped connecting line and the optional joint between described shock absorber section and described attachment portion, and the end of described shock absorber section is connected on the parameatal frame part of described damping means
In one embodiment, the middle body of described attachment portion is provided with the mounting hole for receiving described fixed component (such as fastening piece), described vibration damping equipment to be connected to the device of required vibration damping.
In one embodiment, described vibration damping equipment also comprises interfix parts, and described interfix parts to be arranged in described mounting hole and for holding described fixed component.
In one embodiment, the hardness of the material of described interfix parts is identical with the material hardness of described damping means or higher than the material hardness of described damping means.
In one embodiment, at least one arc convex stretched out laterally is provided with at the back side of the attachment portion of described vibration damping structure.
In one embodiment, be provided with the flange stretched out laterally in the front of the attachment portion of described vibration damping structure, be provided with at least one arc convex stretched out laterally at the back side of the attachment portion of described vibration damping structure.
In one embodiment, the shape of described attachment portion is selected from following shape: square, rectangular, circle, ellipse, polygonal.
In one embodiment, at least one arc convex described is two.
In one embodiment, described damping means is formed by rubber substantially, and described support unit is formed by least one in metal, alloy, duroplasts.
In one embodiment, described interfix parts are formed by least one in metal, alloy, duroplasts, and described damping means is formed by rubber substantially.
In one embodiment, described damping means is set on described support unit by side direction through hole.
In one embodiment, described vibration damping structure has roughly decussate texture, and comprise shock absorber section and middle attachment portion, the end of described shock absorber section is connected on the parameatal frame part of described damping means.
In one embodiment, described vibration damping structure has roughly Y-shaped structure, and comprise the shock absorber section in outside and middle attachment portion, the end of described shock absorber section is connected on the parameatal frame part of described damping means.
According to another aspect of the present invention, provide a kind of electronic equipment, this electronic equipment comprises: the body of electronic equipment; Shell, for holding the body of electronic equipment; Foregoing vibration damping equipment, between the body that described vibration damping equipment is arranged on described electronic equipment and shell.
According to a further aspect of the invention, provide a kind of mobile device, described mobile device comprises foregoing electronic equipment.
According to vibration damping equipment of the present invention, owing to have employed roughly H-shaped vibration damping structure, response frequency when can guarantee payload ratings on electronic equipment X, Y, Z tri-directions is all very low, for electronic equipment provides great protected zone.
According to vibration damping equipment of the present invention, by vibration damping structure and the inner frame sections of H-shaped, make electronic equipment all very little at the deformation displacement in X, Y, Z tri-directions, greatly save the inner space of product.
According to vibration damping equipment of the present invention, install simple, only need fastening piece (such as screw, bolt etc.) to be fixedly connected with.
In addition, according to vibration damping equipment of the present invention, can install according to demand, realize the installation requirements of housing X, Y, Z tri-direction either directions of electronic equipment.
In addition, according to vibration damping equipment of the present invention, owing to having set up interfix parts in the mounting hole of attachment portion, fastening piece (such as screw, the bolt etc.) direct friction being generally metal or alloy material of the shock absorber section that softer material (such as rubber) thus can be avoided to make and fixed electronic device, thus can extend the working life of shock absorber section.
Accompanying drawing explanation
From following more detailed description and combine illustrate that the accompanying drawing of principle of the present invention can more clearly understand other features and advantages of the present invention by way of example.
Figure 1A is the plan view of the vibration damping equipment according to a kind of illustrative embodiments of the present invention.
Figure 1B is the rear view of vibration damping equipment shown in Figure 1A.
Fig. 1 C is the stereogram of vibration damping equipment shown in Figure 1A.
Fig. 1 D is the exploded perspective view of vibration damping equipment shown in Fig. 1 C.
Fig. 1 E be vibration damping equipment shown in Figure 1A from the partial perspective view viewed from rear side.
Fig. 1 F shows the system of coordinates being applicable to vibration damping equipment of the present invention.
Fig. 2 A shows the stereogram that vibration damping equipment according to the present invention is applied to electronic equipment.
Fig. 2 B shows the exploded view of Fig. 2 A.
Fig. 3 A to Fig. 3 N shows the multiple modification of the vibration damping structure according to vibration damping equipment of the present invention.
Fig. 4 be adopt according to after vibration damping equipment of the present invention by response frequency-vibration transmissibility plotted curve that vibration damping test method obtains.
Fig. 5 is the plan view of the vibration damping equipment according to the another kind of illustrative embodiments of the present invention.
Fig. 6 is the plan view of the vibration damping equipment according to another illustrative embodiments of the present invention.
Fig. 7 is the plan view of the vibration damping equipment according to the another kind of illustrative embodiments of the present invention.
Embodiment
Embodiments of the present invention are shown in accompanying drawing to be described.But, it will be understood by those skilled in the art that the present invention is not limited to wherein shown accurate layout and device.According to specification, those skilled in the art can know various modification within the spirit and scope of the present invention and change.
Describe with reference to the accompanying drawings according to vibration damping equipment of the present invention and the electronic equipment and the mobile device that comprise this vibration damping equipment.Note that accompanying drawing does not show with precise proportions.Directional terminology mentioned herein, such as " on ", D score, "left", "right", " front ", " back side " etc. is as the criterion with drawing, be only used to the convenience described, be not limited to the present invention.In the accompanying drawings, similar parts adopt similar reference character to represent.
Figure 1A shows the plan view of the vibration damping equipment 1 according to a kind of illustrative embodiments of the present invention.The damping means 20 that this vibration damping equipment 1 comprises support unit 10 and is arranged on support unit 10.
Support unit 10 is with at least one opening 11 (see Fig. 1 D) of damping means 20 and the rectangular sheet structure of at least one mounting hole 12 for installing.In the preferred implementation shown in Figure 1A, the rectangular sheet structure of support unit 10 is forming two rectangular apertures 11 respectively near two ends place, and is formed with two mounting holes 12 in middle part.Utilize the fastening piece (such as screw, bolt etc.) inserted in mounting hole 12, support unit 10 can be fixed on corresponding shell mechanism.Certainly, the quantity of opening 11 and mounting hole 12 and position can adjust as required.
Damping means 20 is rectangle or square sheet structure, has rectangle or foursquare opening 21 in front, is provided with flexible vibration damping structure 22 in opening 21.In addition, damping means 20 has side direction through hole 31 (as shown in Fig. 1 C and Fig. 1 D) in side direction, the width of side direction through hole 31 is slightly wider than the thickness of the rectangular sheet structure of support unit 10, damping means 20 is set on support unit 10, after in place, the rectangular aperture 11 of support unit 10 and the opening 21 of damping means 20 are aimed at.Certainly, the Placement of damping means 20 and support unit 10 is not limited thereto.In alternate embodiments, damping means 20 has U-shaped structure, and two sidewalls of U-shaped structure form sidewise hole, support unit 10 is inserted through described sidewise hole, thus damping means 20 and support unit 10 is linked together.Those skilled in the art it will also be appreciated that any mode that damping means and support unit can fit together by other.
The damping means 20 according to a kind of preferred implementation of the present invention is described in detail referring to Fig. 1 C and Fig. 1 E.Damping means 20 is after outputing opening 21, and remainder forms a frame part 26.Vibration damping structure 22 is just arranged in opening 21, is namely set in frame part 26.Vibration damping structure 22 comprises shock absorber section 23 and attachment portion 25.Shock absorber section 23 and between the attachment portion 25 of centre, there is joint 24.So-called joint 24 refers to the part that shock absorber section 23 and the attachment portion 25 being positioned at centre combine, and it can be independent parts, also can be shock absorber section 23 and the combination interface being positioned at middle attachment portion 25.In the illustrative embodiments shown in Figure 1A to Fig. 1 F, vibration damping structure 22 is roughly H-shaped structure.Wherein, the part of the both sides of H-shaped, i.e. two vertical portion are divided into shock absorber section 23, and middle part, i.e. lateral part are attachment portion 25, and four ends of the shock absorber section 23 of H-shaped structure are connected on the parameatal frame part 26 of damping means 20.
As shown in Figure 1A to Fig. 1 F, attachment portion 25 is almost diamond, and rhombus central authorities have mounting hole 27.In one embodiment, mounting hole 27 can be used for directly holding fastening piece.Fastening piece can be any element for connecting and fix two structures well known in the prior art, such as bolt, screw etc.In use, fastening piece is used for being connected by vibration damping equipment and being fixed to equipment (such as vehicle-mounted hard disks etc.) to be damped.In a preferred embodiment, vibration damping equipment can be provided with interfix parts.These interfix parts are arranged between the damping means 20 of vibration damping equipment and fastening piece, are directly connected the wearing and tearing brought for reducing fastening piece with vibration damping equipment 20.As shown in figure ip, interfix parts 35 to be contained in mounting hole 27 and to have endoporus 36, and endoporus 36 is for holding fastening piece (such as bolt, screw etc.).Interfix parts 35 shown in Fig. 1 D are sleeve.These interfix parts 35 can be made up of identical with damping means 20 hardness or that hardness is higher material.When middle positioning element 35 is worn, new interfix parts can be replaced with, can avoid replacing whole damping means or vibration damping equipment.When middle positioning element 35 is made up of the material that hardness is higher, effectively can reduces wearing and tearing, increase the service life.Certainly, as previously mentioned, not necessarily, fastening piece can directly be contained in mounting hole 27 interfix parts 35, does not hinder effectiveness in vibration suppression of the present invention.
In a preferred embodiment, in order to (see system of coordinates shown in Fig. 1 F) goes up vibration damping in the Y direction, keep the fastening piece, the enhancing fastness degree that are contained in mounting hole 27 better simultaneously, on in the front and back of the attachment portion 25 of damping means 20 one or the two can be formed with for mounting hole 27 flange protruded laterally, for energy-obsorbing and damping and the auxiliary fastening piece maintaining to extend through mounting hole 27.It is the flange 28 that mounting hole 27 is formed with the annular protruded laterally that Fig. 1 C and Fig. 1 D shows in the front of the attachment portion 25 of damping means 20.Certainly, energy-obsorbing and damping and the fastening element of auxiliary maintenance are not limited to flange, according to a kind of alternate embodiments, in the front and back of the attachment portion 25 of damping means 20 or the two can also be formed with for mounting hole 27 at least two arc convex protruded laterally.Fig. 1 E shows in the back side of the attachment portion 25 of damping means 20 as mounting hole 27 is formed with the situation of two arc convex 29 protruded laterally.Certainly, the present invention is not limited thereto, can different energy-obsorbing and dampings be set at the front and back of the attachment portion 25 of damping means 20 and assist and keep fastening element, such as form flange 28 in front, form arc convex 29 overleaf, or form arc convex in the front of attachment portion 25, and form flange overleaf.Protruding quantity is also not limited thereto, and can be the setting of any appropriate.And this energy-obsorbing and damping and the fastening element of auxiliary maintenance can also be columns etc.It may occur to persons skilled in the art that other similar modes.
In addition, based on inventive concept of the present invention, those skilled in the art it is contemplated that and carry out modification to the roughly H-shaped structure of vibration damping structure 22.Fig. 3 A to Fig. 3 N shows the various exemplary variations of the H-shaped structure of vibration damping structure 22.Bending or arcuate shape can be deformed into such as but not limited to two of: H-shaped structure vertical shock absorber section 23, its four ends are connected to the frame part 26 of damping means 20 respectively, both can be connected on transverse frame sections, also can be connected on vertical frame part.Although accompanying drawing 3A to Fig. 3 N is not shown, H-shaped structure also can be landscape configuration.In addition, the attachment portion 25 of the transverse direction of H-shaped structure also needs not to be the rhombus shown in Figure 1A to Fig. 1 F, can also rectangle as shown in Fig. 3 A to Fig. 3 N, square, circular, can also be even not shown ellipse and polygonal etc.Can transferring energy vibration damping as long as this attachment portion 25 is provided with mounting hole 27 and is connected with shock absorber section 23.Similarly, corresponding energy-obsorbing and damping can be set in the front of attachment portion 25 and/or the back side and assist and keep fastening element, such as flange or arc convex or column etc.
Although adopt the vibration damping structure of the present invention's roughly H-shaped can obtain especially excellent effectiveness in vibration suppression, be appreciated that under the prerequisite not affecting goal of the invention, those skilled in the art can expect more modification according to the actual requirements under the teachings of the present invention.Such as, perimeter frame part and the vibration damping structure be arranged in frame part also can reach vibration damping object with other settings of the attachment portion be attached thereto, roughly Y-shaped structure shown in cross vibration damping structure as shown in Figure 5, Fig. 6 and Fig. 7, although their effectiveness in vibration suppression can be inferior to roughly H-shaped structure.
Support unit 10 according to vibration damping equipment 1 of the present invention adopts difference and/or identical material to make with damping means 20 usually.Support unit 10 can utilize the material of metal, alloy, duroplasts, ebonite and so on to make.Damping means 20 can utilize the materials such as soft elastic metallic, rubber to make.In addition, the material that interfix parts 35 can be identical with damping means 20 and/or higher than the hardness of damping means 20 by hardness is made, and such as the material of metal, alloy, duroplasts, ebonite and so on is made.In a preferred embodiment, support unit 10 and interfix parts 35 are made up of metal or alloy, and damping means 20 is made up of rubber.Certainly, the present invention is not limited thereto, those skilled in the art, according to inventive concept of the present invention, can expect making the identical and/or various combination of the material between other materials of these parts and these parts.
Vibration damping equipment according to the present invention is applicable to various electronic product and/or sophisticated electronics.Usual various electronic product and/or sophisticated electronics are housed inside in shell, and shell is fixed to again the mobile devices such as such as vehicle.If electronic product and/or sophisticated electronics are directly connected to shell, then mobile device stops because road conditions etc. are anxious in moving process, jolting etc. when there is vibration to cause vibration, impact etc. to be directly passed to electronic product and/or sophisticated electronics, and electronic product and/or sophisticated electronics are damaged.Vibration damping equipment of the present invention can be arranged on electronic product and/or between sophisticated electronics and shell; thus reduce vibration and the impact that mobile device passes to electronic product and/or sophisticated electronics, play the effect of protection electronic product and/or sophisticated electronics.
Fig. 2 A show vibration damping equipment 1 according to the present invention be installed on electronic product body and hold this electronic product body shell between stereogram.Fig. 2 B shows the exploded view of Fig. 2 A.In the illustrative embodiments shown in Fig. 2 A and Fig. 2 B, electronic product is hard disk, and this hard disk body 50 is cuboid.Be because current most of electronic products is certainly as cuboid or the square body of comparison rule for cuboid, facilitate installation in position.But the present invention is not only applicable to the electronic product of this regular shape, and be applicable to erose electronic product, as long as it has installation position.Hard disk body 50 is contained in shell 60.This shell 60 can be fixed to the mobile devices such as such as vehicle by fastening piece (such as screw, bolt, rivet etc.) mode, welding manner or bonding way.As in a kind of illustrative embodiments that Fig. 2 B is shown in further detail, shell 60 comprises outer cover body 62 and lid 61, position corresponding with the mounting hole of the support unit 10 of vibration damping equipment 1 on the routine wall of outer cover body 62 arranges porose 63, for connected with outer casing 60 and vibration damping equipment 1.Preferably, the inwall of outer cover body 62 is provided with the flange for hole 63 or projection, passes the fastening piece in hole 63 for auxiliary maintenance such as screw etc.The factors such as the direction of advancing according to mobile device, the direction of vibration or impact etc., can select vibration damping equipment 1 to be placed between the inwall of hard disk body 50 and shell 60 at two of hard disk body 50 relative sidepieces.The sidepiece that two of vibration damping equipment to be installed 1 of hard disk body 50 are relative is formed with mounting hole 51 respectively.When mounted, fastening piece 52 passes from the mounting hole 27 of the attachment portion 25 of vibration damping equipment 1 or interfix parts 35 and extends into the mounting hole 51 of the correspondence of hard disk body 50, thus vibration damping equipment 1 is connected to hard disk body 50.
Be provided with the hard disk of vibration damping equipment 1 of the present invention, when mobile device stops suddenly moving or be subject to jolt, vibration can effectively be absorbed by vibration damping equipment 1 or reduce.Convenient in order to describe, set system of coordinates as shown in Figure 1 F, the substantially horizontal wherein in figure is X-direction, and in figure, vertical direction is Z-direction, and the direction perpendicular to drawing is Y-direction.The vibration of Z-direction is born distortion to reduce by the joint 24 between attachment portion 25 and shock absorber section 23, and joint 24 vibrates along the Z direction and carries out deformation and mechanical energy is become low magnitude thermal energy consumption mechanical energy, thus realizes the object of vibration damping.The vibration of X-direction is vibrated along the X direction by shock absorber section 23 and is carried out deformation mechanical energy is become low magnitude thermal energy consumption mechanical energy, thus realizes the object of vibration damping.The vibration of Y-direction is vibrated along the Y direction by two annular protrusions 29 and flange above below and is carried out deformation mechanical energy is become low magnitude thermal energy consumption mechanical energy, thus realizes the object of vibration damping.The frame part 26 of vibration damping equipment 1 can be limited in issuable maximum displacement in vibration processes, avoids hard disk body 50 directly to clash into shell 60.
Utilize the effectiveness in vibration suppression of vibration damping equipment of the present invention excellent.Carrying out test to effectiveness in vibration suppression is in the art according to " IEC68-2-6 test method Fc and guide: sinusoidal vibration ".The object of IEC68-2-6 test method is the sine vibration test program providing a standard, to determine that test specimen meets with mechanical weakness place and the specific function degenerate case of simple harmonic oscillation.This test method(s) also can be used for determining test specimen structural integrity and/or Research on Dynamic Characteristic, is applicable to transport or meet with in using process the element of simple harmonic oscillation, equipment or other products.According to IEC68-2-6 test method Fc and guide, the sinusoidal vibration be provided with according to the test specimen hard disk of vibration damping equipment 1 of the present invention is tested.The test process of vibration damping equipment of the present invention is comprised the steps:
Regulation before the test according to related specifications performs visual examination, electrical and machinery inspection to test specimen hard disk;
Perform test by specification, and after completing axial all experiment works, just can carry out the test (axially defining and test position standard, time all according to related specifications) of another axis;
According to the regulation of related specifications, in test n-back test test and every measurement tasks;
Test stops;
Return back to after state identical before test until test specimen hard disk, perform visual examination, electrical and machinery inspection.
For the structure of vibration damping equipment tested and identical shown in Figure 1A to Fig. 1 F.Test specimen hard disk is fixed on test platform, 100g load-carrying according to IEC68-2-47 regulation.Clamping point, control point are according to the specified configuration of related specifications.Test conditions is the sine sweep test that 1g ' s inputs, and swept-sine vibration is from 20Hz to 500Hz, and scanning speed is 1Oct./min. (frequency multiplication per minute).Finally obtain the maximum vibration transmissibility result in the curve of the vibratory response frequency shown in Fig. 4 and vibration transmissibility and the vibration-testing shown in table 1.
Table 1 Results of Vibration
Show in Fig. 4 test specimen hard disk with the result curve of scanning speed sinusoid scan from 20Hz to 500Hz of a frequency multiplication per minute, the transverse axis of curve is response frequency, and the longitudinal axis is vibration transmissibility.From Fig. 4, because the vibration damping structure 22 of vibration damping equipment 1 is not identical in X, Y, the upper structure of Z-direction (see system of coordinates shown in Fig. 1 F), therefore the vibration damping result obtained also slightly difference: Y, X-direction peak of curve occur ratio Z-direction peak of curve want Zao, namely just occur in comparatively low-response frequency, from the data of table 1, the peak of curve of Y, X-direction occurs at 28Hz and 27Hz respectively.And the peak of curve of Z-direction occurs more late, from the data of table 1, occur at 47Hz.The maximum vibration transmissibility of X-direction is 2.09; The maximum vibration transmissibility of Y-direction is 1.9, and the maximum vibration transmissibility of Z-direction is 1.93.
Maximum vibration transmissibility is weigh an important indicator of effectiveness in vibration suppression.The accekeration that under the maximum acceleration value that maximum vibration transmissibility=test specimen (hard disk) measures/this dot frequency, test platform measures (herein for 1g ' s).Transmissibility is less, and electronic equipment, i.e. hard disk are safer.For response frequency, the point that on test curve, accekeration is maximum, response frequency is lower, and the safety zone of electronic equipment, i.e. hard disk is larger.Visible, shown in table 1 and Fig. 4, the effectiveness in vibration suppression of Y-direction is best, and not only maximum delivered rate is minimum, and response frequency corresponding to the acceleration maximum of points of test curve is lower.In general, very good according to the effectiveness in vibration suppression of vibration damping equipment of the present invention, response frequency significantly reduces.
Visible, vibration damping equipment according to the present invention has extraordinary effectiveness in vibration suppression.Certainly, for the roughly H-shaped vibration damping structure 22 of the vibration damping equipment 1 in the preferred embodiment shown in Figure 1A to Fig. 1 F, because the structure in X, Y, Z-direction is not too identical, thus slightly different in the effectiveness in vibration suppression of X, Y, Z-direction.In use, those skilled in the art can need to arrange according to the vibration damping of different direction the direction of this roughly H-shaped, such as, will roughly H-shaped structure laterally place.This is applicable to the vibration damping structure of roughly cross and Y shape too.
Electronic equipment according to vibration damping equipment of the present invention and/or precision type instrument are installed, can be loaded on mobile device, by being arranged on the mounting hole on the shell of electronic equipment and/or precision type instrument, be connected with the mobile device of such as vehicle etc. by the such as fastening piece such as screw, bolt, thus realizing excellent effectiveness in vibration suppression, the user for mobile device provides the experience of electronic equipment and/or precision type instrument better.Certainly, it may occur to persons skilled in the art that other mode electronic equipment and/or precision type instrument are connected with mobile device, such as weld, rivet, bonding etc.
Above with reference to accompanying drawing, the specific embodiment of the present invention is illustrated, but these explanations should not be construed as limiting the scope of the invention.Different mode of execution of the present invention can carry out combining or combining according to any suitable mode.The improvement that those skilled in the art's instruction according to the present invention is made above-mentioned embodiment or modification, all fall into protection scope of the present invention.
Claims (18)
1. a vibration damping equipment, it comprises support unit, damping means and optional fixed component, and described support unit is for supporting described damping means, and described fixed component is used for fixing described vibration damping equipment, it is characterized in that:
Being made up of elastic material at least partially of described damping means, and described damping means has damping means opening and is contained in the elastic damping structure in described damping means opening, and described elastic damping structure is roughly H-shaped, cross or Y-shaped structure.
2. vibration damping equipment as claimed in claim 1, wherein, described support unit is provided with support unit opening and described damping means opening aims at described support unit opening.
3. vibration damping equipment as claimed in claim 1 or 2, wherein, described vibration damping structure has roughly H-shaped structure, this H-shaped structure comprises the shock absorber section as H-shaped two limits, the attachment portion as H-shaped connecting line and the optional joint between described shock absorber section and described attachment portion, and the end of described shock absorber section is connected on the parameatal frame part of described damping means.
4. vibration damping equipment as claimed in claim 3, wherein, the middle body of described attachment portion is provided with the mounting hole for receiving described fixed component, described vibration damping equipment to be connected to the device of required vibration damping.
5. vibration damping equipment as claimed in claim 3, wherein, described attachment portion is almost diamond.
6. vibration damping equipment as claimed in claim 4, also comprises interfix parts, and described interfix parts to be arranged in described mounting hole and for holding described fixed component.
7. vibration damping equipment as claimed in claim 6, wherein, the hardness of the material of described interfix parts is not less than the material hardness of described damping means.
8. vibration damping equipment as claimed in claim 3, wherein, is provided with at least one arc convex stretched out laterally at the back side of the attachment portion of described vibration damping structure.
9. vibration damping equipment as claimed in claim 3, wherein, is provided with the flange stretched out laterally, is provided with at least one arc convex stretched out laterally at the back side of the attachment portion of described vibration damping structure in the front of the attachment portion of described vibration damping structure.
10. vibration damping equipment as claimed in claim 3, wherein, the shape of described attachment portion is selected from following shape: square, rectangular, circle, ellipse, polygonal.
11. vibration damping equipments as claimed in claim 6, wherein, at least one arc convex described is two.
12. vibration damping equipments as claimed in claim 1, wherein, described damping means is formed by rubber substantially, and described support unit is formed by least one in metal, alloy, duroplasts.
13. vibration damping equipments as claimed in claim 7, wherein, described interfix parts are formed by least one in metal, alloy, duroplasts, and described damping means is formed by rubber substantially.
14. vibration damping equipments as claimed in claim 1, wherein, described damping means is set on described support unit by side direction through hole.
15. vibration damping equipments as claimed in claim 1, wherein, described vibration damping structure has roughly decussate texture, and comprise shock absorber section and middle attachment portion, the end of described shock absorber section is connected on the parameatal frame part of described damping means.
16. vibration damping equipments as claimed in claim 1, wherein, described vibration damping structure has roughly Y-shaped structure, and comprise the shock absorber section in outside and middle attachment portion, the end of described shock absorber section is connected on the parameatal frame part of described damping means.
17. 1 kinds of electronic equipments, it comprises:
The body of electronic equipment;
Shell, for holding the body of electronic equipment;
Vibration damping equipment according to any one of claim 1-16, between the body that described vibration damping equipment is arranged on described electronic equipment and shell.
18. 1 kinds of mobile devices, described mobile device comprises electronic equipment as claimed in claim 17.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064059.7A CN104864015B (en) | 2014-02-21 | 2014-02-21 | Vibration absorber and electronic device and mobile device comprising the vibration absorber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410064059.7A CN104864015B (en) | 2014-02-21 | 2014-02-21 | Vibration absorber and electronic device and mobile device comprising the vibration absorber |
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| CN104864015A true CN104864015A (en) | 2015-08-26 |
| CN104864015B CN104864015B (en) | 2019-07-19 |
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| WO2022247730A1 (en) * | 2021-05-25 | 2022-12-01 | 华为技术有限公司 | Vibration suppression assembly and preparation method therefor, electric drive system, and vehicle |
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| CN104864015B (en) | 2019-07-19 |
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