CN211039525U - Interferometer damping device - Google Patents
Interferometer damping device Download PDFInfo
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- CN211039525U CN211039525U CN201922122840.6U CN201922122840U CN211039525U CN 211039525 U CN211039525 U CN 211039525U CN 201922122840 U CN201922122840 U CN 201922122840U CN 211039525 U CN211039525 U CN 211039525U
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- damping
- interferometer
- assembly
- damping assembly
- spring
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Abstract
The utility model discloses an interferometer damping device belongs to the optical fiber interferometer technical field in the communication of optic fibre quantum, include: the damping device comprises a bottom plate, a supporting platform, a first damping assembly, a second damping assembly, a first bottom damping spring, a second bottom damping spring, a first side damping assembly, a first side damping spring and a first fixing seat. The utility model provides a pair of interferometer damping device simple structure, convenient operation, the practicality is strong, and it is all more convenient to install and maintain, and the shock attenuation is effectual, prevent that the optical fiber interferometer from receiving external vibration influence, very big improvement work efficiency, reduced manufacturing cost, be fit for generally popularizing and applying.
Description
Technical Field
The utility model discloses an interferometer damping device belongs to the optical fiber interferometer technical field in the optical fiber quantum communication.
Background
In practical use, the performance and parameters of the optical fiber interferometer in the optical fiber quantum communication system are greatly influenced by external vibration, so that an environment for isolating the external vibration is required in practical use, and the optical fiber interferometer can work efficiently, stably and accurately. In the field of optical fiber quantum communication, the optical fiber interferometer is usually wrapped by sponge or foam, and the sponge or foam has a damping function, so that the effect of reducing external vibration conduction can be achieved to a certain extent. The method comprises the steps of manufacturing an external fixed box body, enabling the size of the fixed box body to be larger than that of an optical fiber interferometer, placing the optical fiber interferometer in the center position inside the fixed box body, enabling each surface of the optical fiber interferometer to be about 10-20mm away from the inner wall of the fixed box body, and filling sponge or foam in the gap position inside the box body, so that the conduction of external vibration to the optical fiber interferometer is reduced. Although the sponge or foam filler has a certain vibration damping function, the performance of the sponge or foam filler is general and cannot meet the requirement of being used in a system with higher performance requirement; the sponge or foam filler has the obvious defect that the aging resistance is poor, and personnel are required to regularly replace the sponge or foam filler in the fixed box body, so that the subsequent maintenance cost of the system is increased.
Disclosure of Invention
The utility model aims at solving the defect that current interferometer shock attenuation effect is poor and receive external vibration to influence, provide an interferometer damping device, have shock attenuation effectual, prevent that the optical fiber interferometer from receiving the characteristics that external vibration influences.
An interferometer damping device, comprising: the damping device comprises a bottom plate, a supporting platform, a first damping assembly, a second damping assembly, a first bottom damping spring, a second bottom damping spring, a first side damping assembly, a first side damping spring and a first fixing seat, wherein one end of the first damping assembly is fixed on one end of the bottom plate, the first bottom damping spring is sleeved on the first damping assembly, the other end of the first damping assembly is fixed on one end of the supporting platform, one end of the second damping assembly is fixed on the other end of the bottom plate, the second bottom damping spring is sleeved on the second damping assembly, the other end of the second damping assembly is fixed on the other end of the supporting platform, one end of the first side damping assembly is hinged with one side of the supporting platform, and the first side damping spring is sleeved on the first side damping assembly, the first fixing seat is fixed at one end of the bottom plate close to the first damping assembly, and the other end of the first side damping assembly is hinged to the first fixing seat.
Preferably, the method comprises the following steps: second side damping assembly, second side damping spring and second fixing base, the one end of second side damping assembly with supporting platform's one side is articulated, second side damping spring cover is established on the second side damping assembly, the second fixing base is fixed the bottom plate is close to the one end department of second damping assembly, the other end of second side damping assembly with first fixing base is articulated.
Preferably, the first damping assembly, the second damping assembly and the first side damping assembly adopt hydraulic dampers.
Preferably, the second side damping assembly is a hydraulic damper.
Preferably, the first bottom damping spring, the second bottom damping spring and the first side damping spring are all made of chromium-manganese spring steel.
Preferably, the second side damping spring is made of chromium manganese spring steel.
The beneficial effects of the invention are embodied in the following aspects:
the utility model provides a pair of interferometer damping device simple structure, convenient operation, the practicality is strong, and it is all more convenient to install and maintain, and the shock attenuation is effectual, prevent that the optical fiber interferometer from receiving external vibration influence, very big improvement work efficiency, reduced manufacturing cost, be fit for generally popularizing and applying.
Drawings
Fig. 1 is an isometric view of an interferometer damping device according to the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the present embodiment provides an interferometer damping device based on the prior art, including: the damping device comprises a bottom plate 1, a supporting platform 3, a first damping assembly 22, a second damping assembly 72, a first bottom damping spring 21, a second bottom damping spring 71, a first side damping assembly 63, a first side damping spring 62, a first fixed seat 61, a second side damping assembly 53, a second side damping spring 52 and a second fixed seat 51, wherein one end of the first damping assembly 22 is fixed on one end of the bottom plate 1 through a bolt, the first bottom damping spring 21 is sleeved on the first damping assembly 22, the other end of the first damping assembly 22 is fixed on one end of the supporting platform 3 through a bolt, one end of the second damping assembly 72 is fixed on the other end of the bottom plate 1 through a bolt, the second bottom damping spring 71 is sleeved on the second damping assembly 72, the other end of the second damping assembly 72 is fixed on the other end of the supporting platform 3 through a bolt, one end of the first side damping assembly 63 is hinged with one side of the supporting platform 3, the first side damping spring 62 is sleeved on the first side damping assembly 63, the first fixed seat 61 is fixed at one end of the bottom plate 1 close to the first damping assembly 72 through a bolt, the other end of the first side damping assembly 63 is hinged with the first fixed seat 61, one end of the second side damping assembly 53 is hinged with one side of the supporting platform 3, the second side damping spring 52 is sleeved on the second side damping assembly 53, the second fixed seat 51 is fixed at one end of the bottom plate 1 close to the second damping assembly 22 through a bolt, the other end of the second side damping assembly 53 is hinged with the first fixed seat 51, the first damping assembly 22, the second damping assembly 72, the first side damping assembly 63 and the second side damping assembly 53 adopt hydraulic dampers, the first bottom damping spring 21, the second bottom damping spring 71, the first side damping spring 62 and the second side damping spring 52 are all made of chrome-manganese spring steel.
When interferometer 4 is used as required, interferometer 4 is placed on supporting platform 3, so that interferometer 4 has excellent vibration damping performance, and is simple in structure and good in aging resistance, and the fiber interferometer can work stably for a long time, and the defect that vibration damping materials need to be periodically maintained and replaced in the later period is overcome. By optimally designing the vibration reduction structure, the optical fiber interferometer and the related vibration reduction structure are integrally miniaturized and can be used in certain small-sized systems with high requirements on the volume of the space.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (6)
1. An interferometer damping device, comprising: the damping device comprises a bottom plate, a supporting platform, a first damping assembly, a second damping assembly, a first bottom damping spring, a second bottom damping spring, a first side damping assembly, a first side damping spring and a first fixing seat, wherein one end of the first damping assembly is fixed on one end of the bottom plate, the first bottom damping spring is sleeved on the first damping assembly, the other end of the first damping assembly is fixed on one end of the supporting platform, one end of the second damping assembly is fixed on the other end of the bottom plate, the second bottom damping spring is sleeved on the second damping assembly, the other end of the second damping assembly is fixed on the other end of the supporting platform, one end of the first side damping assembly is hinged with one side of the supporting platform, and the first side damping spring is sleeved on the first side damping assembly, the first fixing seat is fixed at one end of the bottom plate close to the first damping assembly, and the other end of the first side damping assembly is hinged to the first fixing seat.
2. The interferometer damping device of claim 1, comprising: second side damping assembly, second side damping spring and second fixing base, the one end of second side damping assembly with supporting platform's one side is articulated, second side damping spring cover is established on the second side damping assembly, the second fixing base is fixed the bottom plate is close to the one end department of second damping assembly, the other end of second side damping assembly with first fixing base is articulated.
3. The interferometer damping device of claim 2, wherein the first, second and first side damping assemblies are hydraulic dampers.
4. The interferometer damping device of claim 3, wherein the second side damping assembly is a hydraulic damper.
5. The interferometer damping device of claim 4, wherein the first bottom damping spring, the second bottom damping spring and the first side damping spring are made of chrome-manganese spring steel.
6. The interferometer damping device of claim 5, wherein the second side damping spring is made of a chrome manganese spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122840.6U CN211039525U (en) | 2019-12-02 | 2019-12-02 | Interferometer damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122840.6U CN211039525U (en) | 2019-12-02 | 2019-12-02 | Interferometer damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039525U true CN211039525U (en) | 2020-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922122840.6U Active CN211039525U (en) | 2019-12-02 | 2019-12-02 | Interferometer damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039525U (en) |
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2019
- 2019-12-02 CN CN201922122840.6U patent/CN211039525U/en active Active
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