Vibration isolation of electronics and/or components
Implementations of the present invention relate to devices, systems, and methods for isolating electronic components from input vibrations. The vibration isolation device may passively isolate the housed electronics from substantially all input vibrations. The vibration isolation device may include elastic members to suspend the electronic components within a support frame such that input vibrations are unable to directly influence the electronic components.
1. A device for vibrational isolation, the device comprising:
a first isolated member;
a second isolated member;
a support frame having an upper support, a first side support, and a second side support;
one or more elastic sheet suspension members supporting the first isolated member from the upper support of the support frame, the one or more elastic sheet suspension members being secured to both the first isolated member and the upper support such that the first isolated member hangs from the upper support via the one or more elastic sheet suspension members; and
a plurality of elastic dampening members connecting the first and second isolated members to the first and second side supports of the support frame, a first side of the first isolated member being connected to the first side support by one or more elastic dampening members of the plurality of elastic dampening members, a second side of the first isolated member being connected to the second isolated member by one or more elastic dampening members of the plurality of elastic dampening members, and a second side of the second isolated member being connected to the second side support by one or more elastic dampening members of the plurality of elastic dampening members.
2. The device of claim 1 , wherein the one or more elastic sheet suspension members have a first modulus of elasticity and the plurality of elastic dampening members have a second modulus of elasticity, the first modulus of elasticity being greater than the second modulus of elasticity.
3. The device of claim 1 , wherein the one or more elastic sheet suspension members and the plurality of elastic dampening members comprise the same material.
4. The device of claim 1 , wherein the plurality of elastic dampening members comprise upper elastic dampening members and lower elastic dampening members.
5. The device of claim 4 , wherein the upper elastic dampening members have a second modulus of elasticity, and the lower elastic dampening members have a third modulus of elasticity, the second modulus of elasticity being greater than the third modulus of elasticity.
6. The device of claim 1 , further comprising one or more elastic sheet suspension members supporting the second isolated member from the upper support of the support frame, the one or more elastic sheet suspension members being secured to both the second isolated member and the upper support such that the second isolated member hangs from the upper support via the one or more elastic sheet suspension members.
7. The device of claim 6 , further comprising one or more elastic sheet suspension members connecting the second isolated member to the top support of the support frame, the one or more elastic sheet suspension members being configured to suspend the second isolated member from the top support of the support frame, wherein the one or more elastic sheet suspension members are configured to apply a force to the second isolated member, the force applied by the one or more elastic sheet suspension members having a vector component substantially opposing gravity.
8. A vibration isolation device for the vibrational isolation of electronic components, the device comprising,
a first isolated member;
a second isolated member;
a support frame having a top support, a first side support, and a second side support; and
a plurality of elastic sheet dampening members connecting the first and second side supports of the support frame to the first and second isolated members, at least one elastic sheet dampening member of the plurality of elastic sheet dampening members connects a first side of the first isolated member to the first side support, at least one elastic sheet dampening member of the plurality of elastic sheet dampening members connects a second side of the first isolated member to a first side of the second isolated member, at least one elastic sheet dampening member of the plurality of elastic sheet dampening members connects a second side of the second isolated member to the second side support, the elastic sheet dampening member that connects the first isolated member to the first side support and the elastic sheet dampening member that connects the second isolated member to the second side support are each configured to apply a force to the connected isolated member, the force applied by each elastic sheet dampening member having a vector component pointing away from the isolated member from a first point at which the elastic sheet dampening member is connected to the isolated member to a second point at which the elastic sheet dampening member is connected to the first or second side support of the support frame, wherein the vector component of the force applied by each elastic sheet dampening member is configured to substantially oppose a vector component of a force applied by another elastic sheet dampening member.
9. The device of claim 8 , wherein the plurality of elastic sheet dampening members is disposed symmetrically about at least two reflection planes.
10. The device of claim 8 , wherein the plurality of elastic sheet dampening members is disposed symmetrically about a point of inversion.
11. The device of claim 8 , wherein the plurality of elastic sheet dampening members are configured to counteract swaying of the first isolated member.
12. The device of claim 8 , further comprising one or more elastic sheet suspension members connecting the first isolated member to the top support of the support frame, the one or more elastic sheet suspension members being configured to suspend the first isolated member from the top support of the support frame, wherein the one or more elastic sheet suspension members are configured to apply a force to the first isolated member, the force applied by the one or more elastic sheet suspension members having a vector component substantially opposing gravity.
13. The device of claim 8 , wherein one of the plurality of elastic sheet dampening members is configured to connect the first isolated member to the support frame along greater than 10% of the length of the first isolated member.
14. The device of claim 8 , wherein one of the plurality of elastic sheet dampening members is configured to connect the first isolated member to the support frame along greater than 20% of the length of the first isolated member.
15. The device of claim 8 , wherein one of the plurality of elastic sheet dampening members is configured to connect the first isolated member to the support frame along between 10% and 100% of the length of the first isolated member.
16. The device of claim 8 , wherein one of the plurality of elastic sheet dampening members has a modulus of elasticity that is lower than a modulus of elasticity of the support frame.
17. The device of claim 8 , wherein one of the plurality of elastic sheet dampening members comprises rubber.
18. The device of claim 8 , wherein one of the plurality of elastic sheet dampening members comprises one or more of nitrile rubber, butyl rubber, epichlorohydrin rubber, ethylene propylene diene monomer rubber, gum rubber, polyethylene rubber, latex rubber, neoprene rubber polyurethane, santoprene rubber, styrene-butadiene rubber, silicone rubber, vinyl rubber, flouroelastomer rubber.
19. The device of claim 8 , wherein the elastic sheet dampening members provide a reduction in PPV between the support frame and the first isolated member of at least 13.4%.