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CN-224215016-U - Fixing device of atomic air chamber

CN224215016UCN 224215016 UCN224215016 UCN 224215016UCN-224215016-U

Abstract

The utility model relates to the technical field of atomic air chambers and discloses a fixing device of an atomic air chamber, which comprises a base, a middle cover and a top cover which are sequentially connected from bottom to top, wherein a first accommodating cavity is arranged at the top of the base, a mounting blind hole is formed in the bottom of the first accommodating cavity, first semicircular holes are formed in each edge of the top of the first accommodating cavity, a second accommodating cavity is formed in the bottom of the middle cover, second semicircular holes are formed in each edge of the bottom of the second accommodating cavity, a plurality of wire passing holes are formed in the top of the middle cover, a plurality of wire passing channels are formed in the top of the top cover and used for connecting the wire passing holes with the outside, a plurality of mounting holes are formed in the bottom of the base, an operator can place the atomic air chamber and a heating device into the mounting cavities in the base and the middle cover, the first semicircular holes of the base and the second semicircular holes of the middle cover are aligned when being closed, and the wire passing channels are integrated on the fixing device, so that the operator can conveniently wire the wire passing holes.

Inventors

  • Geng Haolin
  • He Chipeng
  • CHENG WEI
  • XU QINXING
  • DONG SIYAN
  • LUO ZHIHUANG

Assignees

  • 中山大学

Dates

Publication Date
20260508
Application Date
20250529

Claims (10)

  1. 1. The atomic gas chamber fixing device comprises a gas chamber (24) and a shell, wherein each side wall of the shell is provided with a light passing hole (27), and the atomic gas chamber fixing device is characterized by comprising a base (1), a middle cover (2) and a top cover (3) which are sequentially connected from bottom to top; The top of the base (1) is provided with a first accommodating cavity (4), each edge of the top of the first accommodating cavity (4) is provided with a first semicircular hole (6), and each first semicircular hole (6) is communicated with the first accommodating cavity (4) and the outside; The bottom of the middle cover (2) is provided with a second accommodating cavity (7), each edge of the bottom of the second accommodating cavity (7) is provided with a second semicircular hole (8), and each second semicircular hole (8) is communicated with the second accommodating cavity (7) and the outside; The first accommodating cavity (4) and the second accommodating cavity (7) are flush to form a cavity accommodating the atomic gas chamber; The first semicircular hole (6) and the second semicircular hole (8) are aligned to form a light passing hole; A plurality of wire passing holes are formed in the top of the middle cover (2), a plurality of wire passing channels are formed in the top cover (3), and each wire passing channel is communicated with the wire passing holes and the outside; the bottom of the base (1) is provided with a plurality of mounting holes (20).
  2. 2. A fixing device for an atomic gas chamber according to claim 1, characterized in that the bottom of the first receiving chamber (4) is provided with a blind mounting hole (5).
  3. 3. A fixing device for an atomic gas chamber according to claim 1, wherein a third accommodating chamber (9) is provided at the bottom of the top cover (3), each of the wire passing passages is provided at each edge of the bottom of the third accommodating chamber (9), and each of the wire passing passages communicates with the third accommodating chamber (9).
  4. 4. A fixing device of an atomic gas chamber according to claim 3, characterized in that the wire passing channel comprises two first wire passing channels (15) arranged symmetrically, the two first wire passing channels (15) extending in the length direction of the top cap (3), and two second wire passing channels (16) arranged symmetrically, the two second wire passing channels (16) extending in the width direction of the top cap (3).
  5. 5. A fixing device of an atomic gas chamber according to claim 1, characterized in that the outside of each first semicircle orifice (6) is provided with a first arc-shaped groove (10), the radius of the first arc-shaped groove (10) being larger than the radius of the corresponding first semicircle orifice (6); The outer part of each second semicircular hole (8) is provided with a second arc-shaped groove (11), and the radius of the second arc-shaped groove (11) is larger than that of the corresponding second semicircular hole (8); the first arc-shaped groove (10) and the second arc-shaped groove (11) are aligned.
  6. 6. A fixing device for an atomic gas chamber according to claim 5, characterized in that the first arc-shaped groove (10) is concentric with the corresponding first semicircle orifice (6) and the second arc-shaped groove (11) is concentric with the corresponding second semicircle orifice (8).
  7. 7. The atomic gas chamber fixing device according to claim 1, wherein a positioning projection (14) is arranged at the top of the second accommodating cavity (7), the positioning projection (14) is fixed at the bottom of the middle cover (2), and the positioning projection (14) is used for positioning the light passing hole (27).
  8. 8. The fixing device of an atomic gas chamber according to claim 1, wherein the wire passing hole comprises two first long holes (12) symmetrically arranged, the two first long holes (12) extend along the length direction of the middle cover (2), and further comprises two second long holes (13) symmetrically arranged, the two second long holes (13) extend along the width direction of the middle cover (2).
  9. 9. A fixing device for an atomic gas chamber according to claim 1, wherein the cross sections of the first accommodating chamber (4) and the second accommodating chamber (7) are polygonal, each corner of the first accommodating chamber (4) is provided with a first circular groove (17) extending in the height direction, each corner of the second accommodating chamber (7) is provided with a second circular groove (18) extending in the height direction, and each second circular groove (18) is respectively communicated with each first circular groove (17).
  10. 10. A fixing device for an atomic gas chamber according to claim 1, wherein each corner of the base (1) is provided with a first connecting hole (21) extending along a height, each corner of the middle cover (2) is provided with a second connecting hole (22) extending along a height, each corner of the top cover (3) is provided with a third connecting hole (23) extending along a height, the first connecting hole (21), the second connecting hole (22) and the third connecting hole (23) are mutually communicated, and threads are arranged in the first connecting hole (21).

Description

Fixing device of atomic air chamber Technical Field The utility model relates to the technical field of atomic air chambers, in particular to a fixing device of an atomic air chamber. Background The atomic gas chamber is a core device in the field of quantum meters and precise measurement systems, the atomic gas chamber comprises a gas chamber and a shell, the gas chamber is usually made of glass or other transparent materials, an inflation port is reserved on one side wall of the gas chamber in the manufacturing process, atomic vapor (such as alkali metal atomic vapor such as rubidium and cesium) is filled into the gas chamber from the inflation port, the inflation port is sealed after the inflation is completed, so that the atomic vapor is sealed in the gas chamber, the sealed inflation port protrudes outwards to form a process bulge, the shell arranged outside the gas chamber forms a protection structure of the gas chamber, and each side wall of the shell is provided with a light passing hole. In the experiment, after the technological bulge of the atomic air chamber is placed upwards, the temporary fixing support is adopted to limit the atomic air chamber, then the atomic air chamber is heated through the heating device, however, the fixing effect of the atomic air chamber is poor only through the temporary support, and the traditional temporary support is not integrated with a lead channel of the heating device, so that the heating device is complicated in threading installation. Disclosure of utility model The atomic air chamber is arranged in instruments such as an atomic clock and an atomic magnetometer, the prior art aims at customizing brackets according to the shapes of installation cavities of different instruments, parts among different types of customizing brackets are poor in universality, poor in compatibility and high in maintenance cost, meanwhile, the atomic air chamber is required to be heated through a heating device in an experiment, and the existing brackets are not integrated with a lead channel of the heating device, so that the heating device is complex to install. In order to solve the technical problems, the utility model provides a fixing device of an atomic gas chamber, which comprises a gas chamber and a shell, wherein each side wall of the shell is provided with a light passing hole, and the fixing device of the atomic gas chamber comprises a base, a middle cover and a top cover which are sequentially connected from bottom to top; The top of the base is provided with a first accommodating cavity, each edge of the top of the first accommodating cavity is provided with a first semicircular hole, and each first semicircular hole is communicated with the first accommodating cavity and the outside; the bottom of the middle cover is provided with a second accommodating cavity, each edge of the bottom of the second accommodating cavity is provided with a second semicircular hole, and each second semicircular hole is communicated with the second accommodating cavity and the outside; The first accommodating cavity and the second accommodating cavity are flush to form a cavity accommodating the atomic gas chamber; The first semicircular hole and the second semicircular hole are aligned to form a light passing hole; The top of the middle cover is provided with a plurality of wire passing holes, the top cover is provided with a plurality of wire passing channels, and each wire passing channel is used for connecting the wire passing holes with the outside; The bottom of the base is provided with a plurality of mounting holes. As a preferred solution, the bottom of the first accommodation chamber is provided with a blind mounting hole. As the preferable scheme, the bottom of top cap is equipped with the third and holds the chamber, and each wire passing passageway all sets up each edge in third holds the chamber bottom, and each wire passing passageway all holds the chamber intercommunication with the third. The wire passing channels comprise two first wire passing channels which are symmetrically arranged, the two first wire passing channels extend along the length direction of the top cover, and the wire passing channels also comprise two second wire passing channels which are symmetrically arranged, and the two second wire passing channels extend along the width direction of the top cover. As a preferable scheme, the outer part of each first semicircular hole is provided with a first arc-shaped groove, and the radius of the first arc-shaped groove is larger than that of the corresponding first semicircular hole; The outer part of each second semicircular hole is provided with a second arc-shaped groove, and the radius of the second arc-shaped groove is larger than that of the corresponding second semicircular hole; The first arcuate slot and the second arcuate slot are aligned. Preferably, the first arc-shaped groove is concentric with the corresponding first semicircular hole, and the