CN208059898U - A kind of integrated atomic air chamber of microminiature for magnetic resonance gyroscope instrument - Google Patents
A kind of integrated atomic air chamber of microminiature for magnetic resonance gyroscope instrument Download PDFInfo
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- CN208059898U CN208059898U CN201820642124.3U CN201820642124U CN208059898U CN 208059898 U CN208059898 U CN 208059898U CN 201820642124 U CN201820642124 U CN 201820642124U CN 208059898 U CN208059898 U CN 208059898U
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- gas chamber
- gas
- matrix
- bottom plate
- lead
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Abstract
The utility model discloses a kind of integrated atomic air chambers of microminiature for magnetic resonance gyroscope instrument, it is formed including gas tube, gas chamber matrix, gas chamber top plate and gas chamber bottom plate, gas chamber matrix is bucking ladder structure, it offers central through hole, its bottom surface offers diversion trench and lead-over groove, four inclined sides of gas chamber matrix are reflecting surface, gas chamber top plate and gas chamber bottom plate are rectangular slab, the top and bottom of gas chamber matrix are tightly connected gas chamber top plate and gas chamber bottom plate respectively, and central through hole is blocked by gas chamber top plate and gas chamber bottom plate and constitutes gas chamber cavity；Gas chamber bottom plate offers the gas port being connect with gas tube, and gas tube, gas port, lead-over groove, diversion trench and air chamber body are sequentially communicated.The atom room is conducive to the miniaturization of magnetic resonance gyroscope instrument, and component parts quantity is few, can do wall thickness thicker, and is tightly connected face also bigger, improves the structural strength and leakproofness of atomic air chamber, magnetic resonance gyroscope instrument can realize that double light path detects.
Description
Technical field
The utility model belongs to magnetic resonance gyroscope instrument technical field more particularly to a kind of for magnetic resonance gyroscope instrument
The integrated atomic air chamber of microminiature.
Background technology
Magnetic resonance gyroscope instrument is that the precession using nuclear spin magnetic moment in magnetic field is realized to inertial mass angle speed
A kind of solid-state gyroscope measured is spent, miniaturization magnetic resonance gyroscope instrument is an important research side of novel gyroscope
To.Atomic air chamber is the sealed glass container for being packaged with magnetic resonance gyroscope instrument working media, is the core of magnetic resonance gyroscope instrument
Heart sensing element.The preparation quality of atomic air chamber will directly affect the performance of magnetic resonance gyroscope instrument.Traditional atomic air chamber is adopted
Use thickness flat for the glass of 0.5mm~1mm with the atomic air chamber of the cube shaped thin-walled glass vessel with gas tube, the type
Plate is assembled by techniques such as optical cement, bonding or glass sinterings.Traditional atomic air chamber has the following defects：
1) since the wall thickness of glass plate is relatively thin, and the quantity of joint face is more, area is small, causes the structure of atomic air chamber strong
Phenomena such as spending and leakproofness is poor, rupture, light transmission facial disfigurement, high leak rate are susceptible in preparation process, in turn results in original
Sub- gas chamber prepares failure or quality declines；
2) gas tube is the center for being connected to a face in cube atomic air chamber, occupies the light transmission of atomic air chamber
Face so that atomic air chamber loses thang-kng ability there are two face, using the atomic air chamber of the type in design nuclear magnetic resonance top
When spiral shell instrument, it is difficult to realize double detection light path layout designs；
3) atomic air chamber of the type itself does not have reflecting surface, in use, needs to install speculum in outside,
Fail to realize the Integration Design with associated reflections mirror, is unfavorable for the miniaturization of magnetic resonance gyroscope instrument.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of for magnetic resonance gyroscope instrument
The integrated atomic air chamber of microminiature.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of integrated atomic air chamber of microminiature for magnetic resonance gyroscope instrument, including gas chamber shell and gas tube；
The gas chamber shell is made of gas chamber matrix, gas chamber top plate and gas chamber bottom plate；
The gas chamber matrix is bucking ladder structure, and center offers the central through hole through top and bottom,
Bottom surface offers the diversion trench of bar shaped and circular lead-over groove, and the lead-over groove, the diversion trench and the central through hole are successively
Connection, the lead-over groove are located at wherein one jiao of gas chamber matrix bottom surface, and four inclined sides of the gas chamber matrix are equal
For reflecting surface；
The gas chamber top plate and the gas chamber bottom plate are rectangular slab, and the gas chamber top plate seal is connected to the gas chamber base
The top surface of body, the gas chamber bottom plate are sealedly connected on the bottom surface of the gas chamber matrix, and the central through hole is by the gas chamber top plate
It is blocked with the gas chamber bottom plate and constitutes gas chamber cavity；
Gas port corresponding with the lead-over groove is offered at wherein one jiao of the gas chamber bottom plate, the gas tube connects
Be connected at the gas port, the gas tube, the gas port, the lead-over groove, the diversion trench and the gas chamber cavity according to
Secondary connection.
As a kind of technical solution of this patent selection, the central through hole is circular hole or rectangular opening.
As a kind of technical solution of this patent selection, the diversion trench is equal with the groove depth of the lead-over groove, described to lead
The groove width of chute is less than the diameter of the lead-over groove, and the diameter of the gas port is greater than or equal to the diameter of the lead-over groove, institute
The diameter for stating gas tube is greater than or equal to the diameter of the gas port.
As a kind of technical solution of this patent selection, four inclined sides of the gas chamber matrix have carried out at plated film
Reason.
As a kind of technical solution of this patent selection, the quadrangle of the gas chamber base bottom is both designed as chamfering structure,
Four sides of the gas chamber top plate are designed as chamfering structure, and the quadrangle of the gas chamber bottom plate is both designed as chamfering structure.
The beneficial effects of the utility model are：
1) processing and film plating inclined-plane realizes original as reflecting surface without additionally increasing speculum directly on gas chamber matrix
The Integration Design of sub- gas chamber and speculum, it is compact-sized, be conducive to the miniaturization of magnetic resonance gyroscope instrument；
2) atomic air chamber is the prismatic table shape structure surrounded by gas chamber top plate, gas chamber matrix and gas chamber bottom plate, component parts quantity
It is few, compared with prior art, wall thickness can be done thicker, and be tightly connected face also bigger, improve the structure of atomic air chamber
Intensity and leakproofness；
3) gas tube is arranged in a corner of gas chamber bottom plate, is in non-thang-kng region so that atomic air chamber has six
Face thang-kng ability is conducive to the layout designs that magnetic resonance gyroscope instrument realizes double light path detection.
Description of the drawings
Fig. 1 is the perspective cross-sectional structural schematic diagram of atomic air chamber described in the utility model, is situated between wherein being filled with gaseous state work
Matter, and gas tube high temperature fuses and forms sealing；
Fig. 2 is the overlooking structure diagram of atomic air chamber described in the utility model；
Fig. 3 is the perspective cross-sectional structural schematic diagram of atomic air chamber described in the utility model, is situated between wherein not being filled with gaseous state work
Matter, the non-high temperature of gas tube fuse and form sealing；
Fig. 4 is the dimensional structure diagram of gas chamber matrix described in the utility model；
Fig. 5 is the present invention looks up structural representation of gas chamber matrix described in the utility model；
Fig. 6 is the present invention looks up structural representation of gas chamber bottom plate described in the utility model；
Fig. 7 is light path layout schematic diagram of the atomic air chamber described in the utility model in magnetic resonance gyroscope instrument XZ planes；
Fig. 8 is light path layout schematic diagram of the atomic air chamber described in the utility model in magnetic resonance gyroscope instrument YZ planes；
Fig. 7,8 do not draw gas tube, and only the light path layout to atomic air chamber in magnetic resonance gyroscope instrument carries out
Explanation；
In figure：1- gas chamber shells, 11- gas chamber top plates, 12- gas chamber matrixes, 121- central through holes, 122- reflectings surface, 123-
Diversion trench, 124- lead-over grooves, 13- gas chamber bottom plates, 131- gas ports, 14- gas chamber cavitys, 2- gas tubes, 3- working medias, 4- pumps
Pu laser, 41- pump beams, 42-Z axis photodetectors, 5-X axis detecting lasers, 51-X axis detect light beam, 52-X axis light
Electric explorer, 6-Y axis detecting lasers, 61-Y axis detect light beam, 62-Y axis photodetectors.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, the utility model includes gas chamber shell 1 and gas tube 2；
Gas chamber shell 1 is made of gas chamber matrix 12, gas chamber top plate 11 and gas chamber bottom plate 13；
Gas chamber matrix 12 is bucking ladder structure, and center offers the central through hole 121 through top and bottom,
Bottom surface offers the diversion trench 123 and circular lead-over groove 124 of bar shaped, lead-over groove 124, diversion trench 123 and central through hole 121 according to
Secondary connection, lead-over groove 124 are located at wherein one jiao of 12 bottom surface of gas chamber matrix, and four inclined sides of gas chamber matrix 12 are anti-
Face 122 is penetrated, for reflecting light from below；
Gas chamber top plate 11 and gas chamber bottom plate 13 are rectangular slab, and gas chamber top plate 11 is sealedly connected on the top of gas chamber matrix 12
Face, gas chamber bottom plate 13 are sealedly connected on the bottom surface of gas chamber matrix 12, and central through hole 121 is by 13 envelope of gas chamber top plate 11 and gas chamber bottom plate
It blocks up and constitutes gas chamber cavity 14；
Gas port 131 corresponding with lead-over groove 124 is offered at wherein one jiao of gas chamber bottom plate 13, gas tube 2 connects
At gas port 131, gas tube 2, gas port 131, lead-over groove 124, diversion trench 123 and air chamber body 14 are sequentially communicated.
As a kind of technical solution of this patent selection, central through hole 121 is circular hole or rectangular opening.
As a kind of technical solution of this patent selection, diversion trench 123 is equal with the groove depth of lead-over groove 124, diversion trench 123
Groove width be less than the diameter of lead-over groove 124, the diameter of gas port 131 is greater than or equal to the diameter of lead-over groove 124, gas tube 2
Diameter is greater than or equal to the diameter of gas port 131, to ensure capable of being smoothly filled with for gaseous working medium.
As a kind of technical solution of this patent selection, four inclined sides of gas chamber matrix 12 have carried out at plated film
Reason, to form mirror surface.
As a kind of technical solution of this patent selection, the quadrangle of 12 bottom of gas chamber matrix is both designed as chamfering structure, gas
Four sides of ceiling plate 11 are designed as chamfering structure, and the quadrangle of gas chamber bottom plate 13 is both designed as chamfering structure.
The preparation method of the utility model atomic air chamber is as follows：
The first step：It is prepared by gas chamber shell
1) part forming
Select thickness for t1Quartz glass tablet, cut into the length of side be (L-2t1) square as gas chamber top plate 11
Top surface sideline is processed t by blank1× 45 ° of chamfering completes the forming of gas chamber top plate 11；
Select thickness for t2Quartz glass tablet, cut into blank of the square as gas chamber matrix 12 that the length of side is L,
Top surface sideline is processed h by the machining center through-hole 121 at center1× 45 ° of fillet surface is as 122 (h of reflecting surface1It should be less than t2, and
More than the clear aperture of light beam), apart from 12 central axes l of gas chamber matrix on a diagonal line of bottom surface1Place processes a diameter of d1, it is deep
Degree is h2(< t2-h1) rounded transitional slot 124, between circular lead-over groove 124 and central through hole 121 working width be w
(< d1), depth h2Diversion trench 123, and four wedge angles of gas chamber matrix 12 are processed into 45 ° of chamfering, complete gas chamber matrix
12 forming；
Select thickness for t3Quartz glass tablet, cut into blank of the square as gas chamber bottom plate 13 that the length of side is L,
A diameter of d is processed in position corresponding with the axis of lead-over groove 1242(≥d1) through-hole as gas port 131, and by gas chamber bottom
Four wedge angles of plate 13 process 45 ° of chamfering, complete the forming of gas chamber bottom plate 13；
Select internal diameter for d3(≥d2), length l2Quartz glass pipe as gas tube 2.
2) mirror polish is connected
The joint face of the gas chamber top plate 11 of machined forming, gas chamber matrix 12, gas chamber bottom plate 13 and gas tube 2 is thrown
Light, and reach the flatness needed for sealing connection process and roughness；
3) clean processing
The joint face of polished gas chamber top plate 11, gas chamber matrix 12, gas chamber bottom plate 13 and gas tube 2 is carried out clean
It cleans, wipe and dry so that each joint face, which reaches, is reliably connected required purity requirements；
4) gas chamber shell assembles
Using the glass Joining Technology such as bonding, optical cement, sintering, by gas chamber top plate 11, the gas chamber of polished and clean processing
Matrix 12, gas chamber bottom plate 13 joint face be sealed connected together, be assembled into gas chamber shell 1.
Second step installs gas tube
Using optical cement or the glass Joining Technology of sintering, the joint face of the gas tube 2 of polished and clean processing is sealed
It is connected at the gas port 131 of gas chamber bottom plate 13, completes the assembling of the atomic air chamber under unaerated state.
Third walks, optical surface processing
The thang-kng surface of the gas chamber shell 1 of completion preparation is polished, clean and coating film treatment, is reached defined
Optical requirement becomes the reflecting surface for meeting prescribed requirement.
4th step, inflation
1) vacuum system is accessed
By glass sintering technique, the free end of the gas tube 2 of the atomic air chamber of unaerated is sealably coupled to vacuum system
On system.
2) degasification
Using vacuum system, the air in atomic air chamber internal cavity is extracted out and is excluded totally, to be filled with working media 3
It prepares.
3) it inflates
Using vacuum system, the working media 3 of regulation component is filled with into the gas chamber cavity of atomic air chamber.
5th step, sealing and screening
After respectively inflating parameter stability in vacuum system in prescribed limit, by being heated at high temperature simultaneously to gas tube 2
Its quick fuse is formed into seal head, completes the sealing of working media 3；Then, the atomic air chamber for completing sealing is screened,
Select the faults of construction such as no crackle, bubble, light transmission facial disfigurement and the good atomic air chamber of air-tightness as qualified gas chamber product.
Double detection light path layout principles of the magnetic resonance gyroscope instrument of the utility model atomic air chamber are as follows：
In conjunction with shown in Fig. 7 and Fig. 8, the pump beam 41 that pump laser 4 is sent out is along the central axis side of gas chamber cavity 14
Gas chamber bottom plate 13 is passed through to enter in gas chamber cavity 14 to (Z-direction), to after the polarizing of working media 3, passing through gas chamber top plate
It 11 and is received by Z axis photodetector 42；
The X-axis detection light beam 51 that X-axis detecting laser 5 is sent out (is located in XZ planes and is 2 α-with Z axis angulation
90 °) after the gas chamber bottom plate 13 of gas chamber shell 1, the reflection through the reflecting surface 122 that 12 left side inclination angle of gas chamber matrix is α becomes
Horizontal light beam in X direction is simultaneously orthogonal in gas chamber cavity 14 with pump laser beam 41, then by reflecting surface that right side inclination angle is β
122 reflect gas chamber shell and are received by X-axis photodetector 52；
The Y-axis exploring laser light beam 61 that Y-axis detecting laser 6 is sent out (is located in YZ planes, and is 2 with Z axis angulation
γ -90 °) after the gas chamber bottom plate 13 of gas chamber shell 1, the reflection through the reflecting surface 122 that 12 left side inclination angle of gas chamber matrix is γ
Become along the horizontal light beam of Y-direction and orthogonal in gas chamber cavity 14 with pump laser beam 41, X-axis exploring laser light beam 51, then
It is by right side inclination angleReflecting surface 122 reflect gas chamber shell and received by Y-axis photodetector 62；
When the inclination angle of four reflectings surface 122 of gas chamber shell 1 is 45 °, i.e.,When, X-axis is visited
Survey laser beam 51 and Y-axis exploring laser light beam 61 incident light and emergent light by the central axial direction (side Z with gas chamber cavity 14
To) parallel, magnetic resonance gyroscope instrument transverse direction magnetic moment letter can be realized by X-axis exploring laser light beam 51 and Y-axis exploring laser light beam 61
Number dual-beam detection, be conducive to improve system redundancy and signal measurement precision.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
It protects in range.
Claims (5)
1. a kind of integrated atomic air chamber of microminiature for magnetic resonance gyroscope instrument, including gas chamber shell and gas tube, special
Sign is：
The gas chamber shell is made of gas chamber matrix, gas chamber top plate and gas chamber bottom plate；
The gas chamber matrix is bucking ladder structure, and center offers the central through hole through top and bottom, bottom surface
The diversion trench of bar shaped and circular lead-over groove are offered, the lead-over groove, the diversion trench and the central through hole are sequentially connected,
The lead-over groove is located at wherein one jiao of gas chamber matrix bottom surface, and four inclined sides of the gas chamber matrix are reflection
Face；
The gas chamber top plate and the gas chamber bottom plate are rectangular slab, and the gas chamber top plate seal is connected to the gas chamber matrix
Top surface, the gas chamber bottom plate are sealedly connected on the bottom surface of the gas chamber matrix, and the central through hole is by the gas chamber top plate and institute
Gas chamber bottom plate is stated to block and constitute gas chamber cavity；
Gas port corresponding with the lead-over groove is offered at wherein one jiao of the gas chamber bottom plate, the gas tube is connected to
At the gas port, the gas tube, the gas port, the lead-over groove, the diversion trench and the gas chamber cavity connect successively
It is logical.
2. being used for the integrated atomic air chamber of microminiature of magnetic resonance gyroscope instrument according to claim 1, it is characterised in that：Institute
It is circular hole or rectangular opening to state central through hole.
3. being used for the integrated atomic air chamber of microminiature of magnetic resonance gyroscope instrument according to claim 1, it is characterised in that：Institute
State that diversion trench is equal with the groove depth of the lead-over groove, the groove width of the diversion trench is less than the diameter of the lead-over groove, the air guide
The diameter in hole is greater than or equal to the diameter of the lead-over groove, and the diameter of the gas tube is greater than or equal to the straight of the gas port
Diameter.
4. being used for the integrated atomic air chamber of microminiature of magnetic resonance gyroscope instrument according to claim 1, it is characterised in that：Institute
Four inclined sides for stating gas chamber matrix have carried out coating film treatment.
5. being used for the integrated atomic air chamber of microminiature of magnetic resonance gyroscope instrument according to claim 1, it is characterised in that：Institute
The quadrangle for stating gas chamber base bottom is both designed as chamfering structure, and four sides of the gas chamber top plate are designed as chamfering structure, the gas
The quadrangle of room bottom plate is both designed as chamfering structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642124.3U CN208059898U (en) | 2018-05-02 | 2018-05-02 | A kind of integrated atomic air chamber of microminiature for magnetic resonance gyroscope instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642124.3U CN208059898U (en) | 2018-05-02 | 2018-05-02 | A kind of integrated atomic air chamber of microminiature for magnetic resonance gyroscope instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208059898U true CN208059898U (en) | 2018-11-06 |
Family
ID=63984129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820642124.3U Withdrawn - After Issue CN208059898U (en) | 2018-05-02 | 2018-05-02 | A kind of integrated atomic air chamber of microminiature for magnetic resonance gyroscope instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208059898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548531A (en) * | 2018-05-02 | 2018-09-18 | 中国工程物理研究院总体工程研究所 | A kind of integrated atomic air chamber of microminiature for magnetic resonance gyroscope instrument |
-
2018
- 2018-05-02 CN CN201820642124.3U patent/CN208059898U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548531A (en) * | 2018-05-02 | 2018-09-18 | 中国工程物理研究院总体工程研究所 | A kind of integrated atomic air chamber of microminiature for magnetic resonance gyroscope instrument |
| CN108548531B (en) * | 2018-05-02 | 2023-10-03 | 中国工程物理研究院总体工程研究所 | Microminiature integrated atomic air chamber for nuclear magnetic resonance gyroscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181106 Effective date of abandoning: 20231003 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181106 Effective date of abandoning: 20231003 |