CN100426185C - Vibration isolating system for precision electronic device - Google Patents
Vibration isolating system for precision electronic device Download PDFInfo
- Publication number
- CN100426185C CN100426185C CNB2005101209354A CN200510120935A CN100426185C CN 100426185 C CN100426185 C CN 100426185C CN B2005101209354 A CNB2005101209354 A CN B2005101209354A CN 200510120935 A CN200510120935 A CN 200510120935A CN 100426185 C CN100426185 C CN 100426185C
- Authority
- CN
- China
- Prior art keywords
- pedestal
- electronic device
- precision electronic
- isolation system
- base seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
Some helical spring setup in transverse direction between a first base seat and a second base seat are adopted in the vibration isolation system (VIS). Each helical spring is capable of making elastic deformation in horizontal direction or vertical direction so that VIS of precision electronic equipment possesses effects of vibration isolation in horizontal direction and vertical direction. Being setup between first base seat and second base seat, some damp modules is in use for consuming kinetic energy by the damping characteristic in order to reduce amplitude and instant acceleration of first base seat relative to second base seat so as to raise combined effects. Being setup on the first base seat, some bumper posts are in use for insulating second base seat from first base seat in order to prevent second base seat from impacting the first base seat. Features are: simple structure of VIS, good effect of vibration isolation.
Description
Technical field
The present invention relates to a kind of vibrating isolation system, particularly relate to a kind of vibrating isolation system that electronic installation is set up in the precision electronic device on the motor device.
Background technology
Industrial or military computer mobile computer, its severe operational environment, as be arranged on mobile computer on the industrial facility, in the facility operation process, the mechanical vibration meeting that produces influences the running of hard disc of computer, can make that also various assemblies constantly bear acceleration stress, and occur that contact comes off or phenomenon such as assembly damage.And the situation that military mobile computer met with is more fierce; military mobile computer through regular meeting at the enterprising line operate of automotive vehicle; for example on the way in the automotive vehicle operational process; may be because the road conditions factor; the constantly vibration that occurs, the amplitude of vibration of this vibration and frequency are difficult to prediction, when hollow place hole or mound appear in the road surface; can form amplitude of vibration again and impact greatly, at sea or aerial automotive vehicle the oscillation phenomenon of different kenels also can appear.In the case, except the shatter-proof impact of military discipline mobile computer must promote, but also need adopt the shock-absorbing bogey of vibration isolation, shock-absorbing, the military discipline mobile computer is erected at automotive vehicle inside, external vibration is being isolated, absorbed, making the military discipline mobile computer unaffected in the running.
Be illustrated in figure 1 as TaiWan, China TW515496 patent case and propose a kind of dynamic mount, it is made of a top base 1, a bottom base 2 and several elastic cylinders 3, this top base 1 is in order to place a mobile computer 4,2 of this bottom bases are arranged at (as industrial facility, automotive vehicle) on the vibration source, this each elastic cylinder 3 is to be fixed between this top base 1 and this bottom base 2, utilizes elastic deformation to reach the vibration isolation effect.Yet the upright elastic cylinder 3 that is provided with is limited in horizontal direction vibration isolation usefulness, and elastic cylinder 3 dampings and not obvious, and after being compressed, the acceleration that moment produced that discharges the elasticity potential energy can form secondary pulse on the contrary.TW592276 patent case is to utilize then further to be provided in above the vertical anti-vibration unit a horizontal shock-absorbing unit to be set, to constitute compound shock absorbing apparatus.This vertical anti-vibration unit is the vibration isolating effect that constitutes vertical direction with spring, and horizontal shock-absorbing unit is mainly with elastic body torsional deformation in the horizontal direction, and reaches the horizontal direction vibration isolation to fruit.Yet TW592276 patent case still has the problem generation of secondary pulse in vertical direction or horizontal direction, and has influence on the vibration isolation protection effect of essence.
Refer again to shown in Figure 2, a kind of anti-vibration structure that it is provided for No. 6229698 patent cases of U.S. Pat, it is between a pedestal 5 and a bogey body 6 several spiral wire ropes 7 to be set, the long axis direction of this each spiral wire rope 7 is to be the level ornaments, and be folded between this pedestal 5 and this body 6, this each spiral wire rope 7 can be vertically or is radially carried out elastic deformation, therefore the vibration isolating effect of level and vertical direction can be provided simultaneously, yet its physical characteristics still is changed to the master with elasticity, damping is extremely low, though can avoid the impact of moment, but still can form large amplitude.In addition, behind spiral wire rope 7 pressurizeds, formed elastic restoring force can form secondary pulse, and therefore actual effect is still limited.
Existing isolation mounting is to utilize volute spring to vibrate insulation blocking, however helical spring damping characteristic and not obvious, make that volute spring is compressed after, still can discharge the elasticity potential energy and produce secondary pulse, thereby reduce vibration isolating effect.
Summary of the invention
The object of the present invention is to provide a kind of vibrating isolation system of precision electronic device, it utilizes damping characteristic buffering transient acceleration and consumes kinetic energy by damping characteristic, with avoid because of volute spring by compression the secondary pulse that produced of back electronic installation is damaged.In addition, also, avoided transient acceleration and amplitude excessive, and made isolation mounting ineffective by second layer vibration isolation protection is provided.
In order to achieve the above object, the vibrating isolation system of a kind of precision electronic device provided by the present invention comprises: one first pedestal, and it is a plate body, in order to be installed on the vibration source; One second pedestal is to be a plate body, and this described second pedestal is the top that is set in parallel in described first pedestal, and forms a spacing distance, and described second pedestal is in order to carry an electronic installation; Several volute springs, it is arranged between described first pedestal and second pedestal, is connected with described first pedestal and second pedestal with the side of its grade; In addition, also comprise several damper assemblies, two ends of its grade are connected to this second pedestal and this first pedestal.
The vibrating isolation system of precision electronic device of the present invention, when its first pedestal receives the vibration that vibration source produces, this described volute spring can carry out elastic deformation and will vibrate conversion elasticity potential energy, make second pedestal not be subjected to vibration effect, also can avoid vibration that electronic installation is produced directly impacts, and damper assembly is in the process of volute spring distortion, can consume kinetic energy, further absorb vibration, thereby avoided volute spring when replying original state, to produce too high speed and acceleration, and this second pedestal has been formed secondary pulse; Native system has promoted the vibration isolation protection effect of precision electronic device, practical value height.
Description of drawings
Fig. 1 is the stereographic map of existing isolation mounting;
Fig. 2 is the stereographic map of another kind of existing isolation mounting;
Fig. 3 is the exploded view of preferred embodiment of the present invention;
Fig. 4 is a stereographic map of the present invention;
Fig. 5 is the stereographic map of partial component of the present invention, for damper assembly and the stereographic map of plate is set;
Fig. 6 A to Fig. 6 C is the running synoptic diagram of damper assembly;
Fig. 7 A and Fig. 7 B are the running synoptic diagram of these volute springs and this bumper post;
Fig. 8 is the synoptic diagram of another embodiment of the present invention.
Embodiment
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
Please refer to Fig. 3 and shown in Figure 4, the vibrating isolation system of a kind of precision electronic device that a preferred embodiment of the present invention provided, in order to carry the electronic installation of a pair of vibration sensing, as mobile computer, so that this electronic installation and vibration source are isolated, by better elastic and damping, and make this electronic device avoid withstanding shocks or excessive displacement swing occurs, make the electronic package of this electronic installation inside impaired or the contact between each assembly is got loose.
The vibrating isolation system of described precision electronic device includes one first pedestal 10, one second pedestal 20, several volute springs 30 and several clamp assemblies 40.Wherein, described first pedestal 10 is a rectangular slab, is arranged on the vibration source, for example on the platform of motor vehicles, vessel interior or large-scale facility, and bears the vibratory impulse that produces from vibration source.Described second pedestal 20 is to be a rectangular slab, be set in parallel in the top of described first pedestal 10, and have certain spacing distance between described first pedestal 10, described second pedestal 20 is in order to carry a precision electronic device 50, as industrial or military mobile computer.
Described volute spring 30 is horizontally set between described first pedestal 10 and second pedestal 20, and make screw axis to being parallel to described first pedestal 10 and second pedestal 20, described volute spring 30 is to be wound into spiral fashion with the flexible hawser of tool, its spiral coil can radially spin the footpath distortion, or towards screw axis to making the spiral coil torsional deflection, be converted into the elasticity potential energy so that kinetic energy is absorbed, make described volute spring 30 radially reach screw axis to all possessing the vibration isolation effect at spiral.
Described each clamp assemblies 40 be with two be one group in correspondence with each other, be arranged at respectively on described first pedestal 10 and second pedestal 20, in order to described each volute spring 30 of clamping, make this each volute spring 30 link described first pedestal 10 and second pedestals 20; Described each volute spring 30 radially with axially all can carry out elastic deformation, therefore can provide described first pedestal 10 in the horizontal direction or the vibration isolating effect of vertical direction.Also offer some roads groove 41 on described each clamp assemblies 40, the width of this described each groove 41 is line footpaths of this volute spring 30 of coupling, the spiral coil of described each volute spring 30 is to embed in described each groove 41, each volute spring 30 is combined with described each clamp assemblies 40 respectively with side, and be fixed between described first pedestal 10 and second pedestal 20.
Described volute spring 30 is in the vibration isolation process, utilize elastic deformation to make described second pedestal 20 and first pedestal 10 relative displacement occur, with the moment impact that separating vibration was produced, then utilize elastic restoring force to make described second pedestal 20 and first pedestal 10 return to initial relative position, when avoiding oscillation phenomenon to take place, directly impact described second pedestal 20, and make precision electronic device 50 impaired.
Because the damping characteristic of described volute spring 30 is also not obvious, the effect that consumes kinetic energy is limited, therefore still have the problem that amplitude or acceleration may be excessive to exist being subjected to external impacts, kinetic energy can be converted to the compression potential energy when this described volute spring 30 is out of shape in addition, be released to the acceleration that moment produced of kinetic energy once again at the elasticity potential energy, form secondary pulse on the contrary for the precision electronic device 50 on described second pedestal 20; If the impact power of moment surpasses the operating limit of this each volute spring 30 in addition; to make this described volute spring 30 impaired the and involution effect that follows the string of permanent strain occur; and cause described second pedestal 20 directly to collide described first pedestal 10, and lose vibration isolation protection effect.
For addressing the above problem, the present invention more is provided with several damper assemblies 60 and bumper post 70, damping characteristic by this damper assembly 60 consumes kinetic energy, and utilize described bumper post 70 to assist described each volute spring 30, avoid these volute spring 30 deflections excessive, cause described first pedestal 10 and second pedestal 20 to run foul of each other, make the precision electronic device 50 on second pedestal 20 impaired.
Please shown in Figure 5 in reference, described each damper assembly 60 is made of a connecting rod 61 and two damping rubber pieces 62 respectively, and described two damping rubber pieces 62 are two ends that are arranged at connecting rod 61 respectively, in order to connect described first pedestal 10 and second pedestal 20.Described first pedestal 10 and second pedestal 20 are passed when changing relative position by external force, except described each volute spring 30 distortion are converted to kinetic energy the elasticity potential energy, described damper assembly 60 more can directly consume kinetic energy, and by the distortion of this damping rubber piece 62, the kinetic energy absorption is converted to heat energy overflows diffusing, the vibration that described first pedestal 10 is received directly absorbs, and brings into play good vibration isolating effect, shown in Fig. 6 A to Fig. 6 C.Assembling for convenient described each damper assembly 60, the present invention more includes two plate 80 is set, described each damper assembly 60 predetermined fixed two are provided with between the plate 80 in this, form a modular unit, again this two is provided with plate 80 and is individually fixed in the side that described first pedestal 10 and second pedestal 20 face one another, described two forms that plate 80 is set can make a decision according to the regional morphology of described damper assembly 60 configurations, make things convenient for the assembling operation of damper assembly 60.
In addition with reference to shown in Fig. 7 A and Fig. 7 B, described each bumper post 70 is made by possessing flexible elastomeric material, it uprightly is arranged on described first pedestal 10, and has a spacing distance between the top of this each bumper post 70 and described second pedestal 20, not directly contact.When amplitude that external vibration source produces when described volute spring 30 and damper assembly 60 are in addition within the scope of separate absorption, described bumper post 70 does not come in contact with described second pedestal 20.When surpassing the scope that volute spring 30 and damper assembly 60 can bear if external force vibration intensity is excessive, bigger deflection can appear in then described volute spring 30, make described second pedestal 20 be contacted with on the described bumper post 70, this moment, this bumper post 70 can be used as performance elastic buffer effect to absorb kinetic energy, and described second pedestal 20 of backstop, to avoid described second pedestal 20 directly to collide first pedestal 10, simultaneously also can avoid described volute spring 30 deflections excessive, surpass the elastic strain upper limit and permanent strain occurs and lost efficacy.
Referring again to shown in Figure 8, described bumper post 70 also can be installed in described second pedestal 20, makes and forms a spacing distance between the front end of this elasticity post 70 and described first pedestal 10.When amplitude was excessive, the end of described bumper post 70 can contact at described first pedestal 10 earlier, avoided first pedestal 10 and second pedestal 20 directly to collide mutually.
Existing isolation mounting only utilizes the elastic vibration isolation unit to vibrate insulation blocking, though the elastic vibration isolation unit possesses damping characteristic, however its damping and not obvious, its essence dynamic perfromance is still based on elastic effect.Though this type of elastic damping assembly possesses vibration isolating effect, but avoid vibrating direct impact, however but can't consume kinetic energy effectively, make that protected electronic installation still has high acceleration and large amplitude in the vibration isolation process, make vibration isolation protection poor effect.In addition; the elastic vibration isolation unit is kinetic energy to be converted to the elasticity potential energy store, and the elasticity potential energy can be converted to kinetic energy after external force disappears, and the high acceleration of moment can form secondary pulse on the contrary; directly the protected electronic installation of influence loses the purpose that original vibration isolation is protected on the contrary.
In the present invention, except described second pedestal 20 and first pedestal 10 being isolated with volute spring 30, more utilize damper assembly 60 to consume kinetic energy, the amplitude of described second pedestal 20 or transient acceleration that vibration produced are significantly reduced, and described damper assembly 60 more can absorb the elasticity potential energy that volute spring 30 is discharged, thereby reduce the influence of secondary pulse, this damping characteristic is that existing apparatus is not possessing.In addition, the present invention more utilizes bumper post 70 as second layer protection, avoids excessive volute spring 30 and the damper assembly 60 of making of external force to load, and causes second pedestal 20 and 10 direct collisions of first pedestal.
Claims (11)
1. the vibrating isolation system of a precision electronic device is characterized in that: comprise one first pedestal; One second pedestal, it is arranged at the top of described first pedestal, and and described first pedestal between have a spacing distance; Several volute springs, it is folded between described first pedestal and second pedestal, and each volute spring be with its screw axis to being parallel to described second pedestal and first pedestal, be individually fixed in described first pedestal and second pedestal with side; And several damper assemblies, it is arranged between described second pedestal and first pedestal.
2. the vibration isolation according to the described precision electronic device of claim 1 is a system, and it is characterized in that: described first pedestal is to be arranged on the vibration source.
3. according to the vibrating isolation system of the described precision electronic device of claim 1, it is characterized in that: described precision electronic device is loaded on described second pedestal.
4. according to the vibrating isolation system of the described precision electronic device of claim 1, it is characterized in that: described precision electronic device is to be a mobile computer.
5. according to the vibrating isolation system of the described precision electronic device of claim 1, it is characterized in that: also include several clamp assemblies, and this each clamp assemblies be with two be one group in correspondence with each other, be arranged at respectively on described first pedestal and second pedestal.
6. according to the vibrating isolation system of the described precision electronic device of claim 1, it is characterized in that: described each damper assembly is made of a connecting rod and two damping rubber pieces respectively, and this two damping rubbers piece is two ends that are arranged at described connecting rod respectively, and connects described first pedestal and second pedestal respectively.
7. according to the vibrating isolation system of the described precision electronic device of claim 1, it is characterized in that: include several bumper posts, it is arranged at the bottom of described first pedestal, and has a spacing distance between the top of this each bumper post and described second pedestal.
8. according to the vibrating isolation system of the described precision electronic device of claim 1, it is characterized in that: include several bumper posts, it uprightly is arranged on described second pedestal, has a spacing distance between its top and described first pedestal.
9. according to the vibrating isolation system of the described precision electronic device of claim 5, it is characterized in that: offer some roads lateral trench on described each clamp assemblies, and the width of this each groove is described each the helical spring line footpath of coupling, and described each helical spring spiral coil embeds in described each groove.
10. according to the vibrating isolation system of the described precision electronic device of claim 7, it is characterized in that: described each bumper post is made by rubber.
11. the vibrating isolation system of described precision electronic device according to Claim 8, it is characterized in that: described each bumper post is made by rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101209354A CN100426185C (en) | 2005-12-22 | 2005-12-22 | Vibration isolating system for precision electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101209354A CN100426185C (en) | 2005-12-22 | 2005-12-22 | Vibration isolating system for precision electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1987722A CN1987722A (en) | 2007-06-27 |
| CN100426185C true CN100426185C (en) | 2008-10-15 |
Family
ID=38184546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101209354A Expired - Fee Related CN100426185C (en) | 2005-12-22 | 2005-12-22 | Vibration isolating system for precision electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100426185C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101765346B (en) * | 2008-12-25 | 2012-06-13 | 深圳富泰宏精密工业有限公司 | Portable type electronic device |
| CN104793712A (en) * | 2015-04-01 | 2015-07-22 | 太仓苏易信息科技有限公司 | Mainframe box side protection device |
| CN106292919A (en) * | 2016-08-15 | 2017-01-04 | 哈尔滨金玉科技开发有限公司 | A kind of efficient isolation mounting for computer |
| CN108087487A (en) * | 2017-12-19 | 2018-05-29 | 湖南中科信为科技有限公司 | A kind of compression spring vibrating isolation system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6229698B1 (en) * | 1999-10-08 | 2001-05-08 | Stephen Harvey | Portable office having a removable computer workstation and shock isolation means therefor |
| US6252768B1 (en) * | 1999-06-09 | 2001-06-26 | Twinhead International Corp. | Shock-absorbing device for notebook computer module |
| CN1396501A (en) * | 2001-07-05 | 2003-02-12 | 株式会社东芝 | Electronic equipment |
| CN2567629Y (en) * | 2002-08-16 | 2003-08-20 | 志合电脑股份有限公司 | Damper structure of document read device |
| US20030179543A1 (en) * | 2002-03-25 | 2003-09-25 | International Business Machines Corporation | Deformable shock absorbing mechanism for a computer apparatus or a precision apparatus |
-
2005
- 2005-12-22 CN CNB2005101209354A patent/CN100426185C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6252768B1 (en) * | 1999-06-09 | 2001-06-26 | Twinhead International Corp. | Shock-absorbing device for notebook computer module |
| US6229698B1 (en) * | 1999-10-08 | 2001-05-08 | Stephen Harvey | Portable office having a removable computer workstation and shock isolation means therefor |
| CN1396501A (en) * | 2001-07-05 | 2003-02-12 | 株式会社东芝 | Electronic equipment |
| US20030179543A1 (en) * | 2002-03-25 | 2003-09-25 | International Business Machines Corporation | Deformable shock absorbing mechanism for a computer apparatus or a precision apparatus |
| CN2567629Y (en) * | 2002-08-16 | 2003-08-20 | 志合电脑股份有限公司 | Damper structure of document read device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1987722A (en) | 2007-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102927187B (en) | Three-dimensional equal stiffness metal vibration isolator | |
| US20060255517A1 (en) | Shock isolation system for electronic devices | |
| CN105889386B (en) | A kind of dry friction type three-dimensional vibration isolation buffer for resisting strong impact | |
| CN100426185C (en) | Vibration isolating system for precision electronic device | |
| CN106904371B (en) | Scope host computer part surge tank | |
| CN216408202U (en) | Boats and ships electrical equipment damping device | |
| CN103307554A (en) | Shock absorber and lamp comprising shock absorber | |
| CN207297738U (en) | A kind of high-performance inertial navigation vibration absorber | |
| CN107839626A (en) | Dampening assembly, fuel tank pump and engine lower guard board component for vehicle | |
| CN105370781B (en) | Utilize the vertical vibration isolation device of Euler's buckling | |
| CN201489824U (en) | Shock-absorbing device of computer hard disk | |
| CN201348878Y (en) | Shock absorber for hard disk | |
| CN216280316U (en) | Electronic information protection device for railway transportation | |
| CN112343962B (en) | Damping support of rocket launcher | |
| CN215888690U (en) | Combined shock insulation and absorption design structure of high-rise building | |
| CN201764427U (en) | Spring steel wire mesh composite vibration isolator | |
| CN209833534U (en) | Vehicle-mounted electronic equipment | |
| CN216045196U (en) | High-protection impact-resistant soft switch equipment | |
| CN214465794U (en) | Shock absorption and shock resistance device of diesel generating set | |
| CN113062487A (en) | Civil engineering damping device and damping method thereof | |
| CN211009722U (en) | Anti-vibration mechanical structure | |
| CN205881626U (en) | A vibration/noise reduction platform for station service transformer is joined in marriage in urban area | |
| CN201837930U (en) | Shock absorbing component for actuator | |
| CN101737734A (en) | Vibration damper and lamp using same | |
| CN220402174U (en) | Vehicle-mounted circuit board with damping effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20131222 |