CN105092296A - Fixed-point collection device for rubidium filled in rubidium bulbs - Google Patents
Fixed-point collection device for rubidium filled in rubidium bulbs Download PDFInfo
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- CN105092296A CN105092296A CN201410186994.0A CN201410186994A CN105092296A CN 105092296 A CN105092296 A CN 105092296A CN 201410186994 A CN201410186994 A CN 201410186994A CN 105092296 A CN105092296 A CN 105092296A
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- rubidium
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- thermofin
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Abstract
The invention relates to a fixed-point collection device for rubidium filled in rubidium bulbs. The device comprises a heating device as well as a metal cavity, a refrigerant circulation box and a cooling body which are placed on the heating device, wherein the metal cavity comprises a lower cavity and an upper cavity which are connected and internally provided with the rubidium bulbs, and the bottom of the lower cavity is connected with the heating device; a thermal insulating layer is arranged at the top of the upper cavity, and the cooling body is arranged on the thermal insulating layer; a cooling body core component is arranged at the upper part of the cooling body, connected with the refrigerant circulation box, and contacted with the rubidium bulbs through the thermal insulating layer; and guide columns penetrating through the upper cavity, the thermal insulating layer and the cooling body sequentially are symmetrically arranged at two ends of each bottom corner of the lower cavity respectively. The fixed-point collection device rubidium filled in rubidium bulbs achieves accurate measurement and improves the production efficiency effectively.
Description
Technical field
The present invention relates to spationautics field, particularly relate in rubidium bubble and fill rubidium amount processed fixed point gathering-device.
Background technology
Rubidium is a kind of silvery white rare alkaline metal, density 1.532 gram per centimeter cube, fusing point 38.89 DEG C, boiling point 688 DEG C.The chemical property of rubidium is extremely active, and energy spontaneous combustion in room temperature and air, rubidium, with water or even when contacting with the low ice to-100 DEG C of temperature, also fierce reaction can occur.Under the effect of light, the easy ejected electron of rubidium, because rubidium is active large, produces, uses, stores and in freight charges, must place it in the device of tight isolated air.Be kept under normal circumstances in whiteruss.
Vacuum glass bubble wall thickness 0.4mm, shape mostly is spherical or cylindrical shape, by the rubidium filling formulation amount in technological requirement bubble under the vacuum state of cleaning, is referred to as rubidium bubble.Rubidium bubble assembly is the core component of rubidium atomic clock physical piece, and it is for physical piece provides stable pumping light under the effect of exciting circuit, and the hyperfine levels transition frequency that the characteristic spectral line of this pumping light excites is the benchmark in rubidium atomic clock output frequency source.Therefore, rubidium alveolar substance amount is one of key factor affecting rubidium atomic clock performance index, and the stability of how many control accuracies and rubidium lamp output intensity of filling rubidium amount processed in the brewed work of rubidium has substantial connection, thus affects the precision of rubidium atomic clock.
Existing rubidium bubble manufacture craft is limited by the restriction of technology and equipment, filling rubidium amount processed in rubidium bubble is drive mode with lamp work flame, by means of sense organ subjective judgement, cause rubidium amount deviation larger, rubidium bubble difficult quality controls, too increase the difficulty of follow-up debugging test, qualification rate about 12%, especially isotope rubidium 87 and rubidium 85 are wasted (rubidium 87 isotope unit price: 190,000 yuan/gram) in a large number to cause rubidium raw material.Simultaneously, be stored in room temperature after rubidium bubble vacuum fills system, be adhered to bubble inwall so that solid powdery is discrete, measuring method adopts DSC Differential Scanning Calorimetry to measure, exist retaining part block scanning integrality and can not Measurement accuracy rubidium amount, lamp work fills rubidium without standard volume reference.Therefore, suitable rubidium bubble needs repeatedly a large amount of production to expect rubidium amount, and through repeatedly screening, easily causes waste of raw materials serious.
Summary of the invention
Technical matters to be solved by this invention be to provide a kind of realize Measurement accuracy, effectively enhance productivity rubidium bubble in fill rubidium amount processed fix a point gathering-device.
For solving the problem, filling rubidium amount processed fixed point gathering-device in rubidium bubble of the present invention, it is characterized in that: this device comprises heating arrangement and is placed in metal mold cavity, refrigerant cycle case and the cooling body on described heating arrangement; The lower impressions that described metal mold cavity is steeped by the built-in rubidium be connected together and upper impression are formed, and the bottom of this lower impressions connects with described heating arrangement; The top of described upper impression is provided with thermofin, and this thermofin is provided with described cooling body; Described cooling body top is provided with cooling body core assembly, and this cooling body core assembly connects with described refrigerant cycle case; Described cooling body core assembly is steeped with described rubidium by described thermofin and contacts; The symmetrical two ends of bottom corner of described lower impressions are respectively equipped with one successively through the guidepost of described upper impression, thermofin, cooling body.
Described heating arrangement is the temp. controllable electric furnace of voltage 220V, power 1000W.
Described lower impressions and described upper impression are evenly equipped with the faying face that several die joint steeping shape in rubidium is formed, and are placed with described rubidium bubble in this faying face.
The glass fibre hardboard that described thermofin is coefficient of heat conductivity λ=0.0350W/mK, thickness is 10mm, and be connected with described upper impression by screw.
Described cooling body core assembly comprises adjusting nut and overlaps the cooling body core having stage clip; The top of described adjusting nut is not protruded described cooling body and is connected with described refrigerant cycle case, is provided with described cooling body core bottom it, and this cooling body core steeps arc surface point cantact through described thermofin and described rubidium.
Described refrigerant cycle case comprises cyclic water tank and refrigeration machine; The side of described cyclic water tank is provided with water inlet pipe and water outlet pipe joint, and this water inlet pipe and water outlet pipe joint is connected with described refrigeration machine respectively.
The present invention compared with prior art has the following advantages:
1, owing to being provided with the metal mold cavity be made up of the lower impressions of the built-in rubidium bubble be connected together and upper impression in the present invention, and lower impressions and upper impression are evenly equipped with the faying face that several die joint steeping shape in rubidium is formed, rubidium bubble is placed with in this faying face, therefore, form on upper and lower cavity fastens and close closely sealed metallic object, heating source heating of metal mo(u)ld bottom half cavity is steeped in rubidium by heat transfer, rubidium is formed in vaporized state to cell-shell and forms saturated vapor pressure, thus realizes metal mold cavity location heating rubidium bubble.
2, be provided with thermofin in the present invention, this thermofin intercepts cold and hot humidity province, plays compartmentation, has cooling body core only and contacts with rubidium bubble point, realizes the object that rubidium bubble fills the collection of rubidium amount processed fixed point.
3, the cooling body core in the present invention contacts rubidium by adjusting nut Compress Spring and steeps, and feel is sensitive, and contact force is easy to control.
4, the cooling body core in the present invention steeps arc surface point cantact through thermofin and rubidium, and the thermograde produced after arc surface is contacted makes rubidium amount deposition shape become round point shape, is convenient to Measurement accuracy.
5, be provided with guidepost in the present invention, upper impression fastening, cover plate assembling and positioning and guiding object can be realized.
6, the invention solves rubidium amount fixed point in rubidium bubble to collect, the technology of Measurement accuracy; For lamp work fills the reference value that rubidium amount establishes standard volume, subjective judgement is convenient to seek rule.Through reality test, production qualification rate has risen to about 70% by about 12%, and throughput rate significantly improves, and has not only saved valuable starting material, and reduces production cycle shortening and labour intensity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is structural representation of the present invention.
In figure: 1-heating arrangement, 2-lower impressions, 3-upper impression, 4-thermofin, 5-cooling body, 6-guidepost, 7-refrigerant cycle case, 8-cooling body core assembly, 9-water inlet pipe and water outlet pipe joint.
Embodiment
As shown in Figure 1, fill rubidium amount processed fixed point gathering-device in rubidium bubble, this device comprises heating arrangement 1 and is placed in metal mold cavity, refrigerant cycle case 7 and the cooling body 5 on heating arrangement 1.
The lower impressions 2 that metal mold cavity is steeped by the built-in rubidium be connected together and upper impression 3 are formed, and the bottom of this lower impressions 2 connects with heating arrangement 1; The top of upper impression 3 is provided with thermofin 4, and this thermofin 4 is provided with cooling body 5; Cooling body 5 top is provided with cooling body core assembly 8, and this cooling body core assembly 8 connects with refrigerant cycle case 7; Cooling body core assembly 8 is steeped with rubidium by thermofin 4 and contacts; The symmetrical two ends of bottom corner of lower impressions 2 are respectively equipped with one successively through the guidepost 6 of upper impression 3, thermofin 4, cooling body 5.
Wherein:
Heating arrangement 1 is the temp. controllable electric furnace of voltage 220V, power 1000W.
Lower impressions 2 and upper impression 3 are evenly equipped with the faying face that several die joint steeping shape in rubidium is formed, and are placed with described rubidium bubble in this faying face.
The glass fibre hardboard that thermofin 4 is coefficient of heat conductivity λ=0.0350W/mK, thickness is 10mm, and be connected with upper impression 3 by screw.
Cooling body core assembly 8 comprises adjusting nut and overlaps the cooling body core having stage clip; The top of adjusting nut is not protruded cooling body 5 and is connected with refrigerant cycle case 7, is provided with cooling body core bottom it, and this cooling body core steeps arc surface point cantact through thermofin 4 and rubidium.
Refrigerant cycle case 7 comprises cyclic water tank and refrigeration machine; The side of cyclic water tank is provided with water inlet pipe and water outlet pipe joint 9, and this water inlet pipe and water outlet pipe joint 9 is connected with refrigeration machine respectively.
Claims (6)
1. fill rubidium amount processed fixed point gathering-device in rubidium bubble, it is characterized in that: this device comprises heating arrangement (1) and is placed in metal mold cavity, refrigerant cycle case (7) and the cooling body (5) on described heating arrangement (1); The lower impressions (2) that described metal mold cavity is steeped by the built-in rubidium be connected together and upper impression (3) are formed, and the bottom of this lower impressions (2) connects with described heating arrangement (1); The top of described upper impression (3) is provided with thermofin (4), and this thermofin (4) is provided with described cooling body (5); Described cooling body (5) top is provided with cooling body core assembly (8), and this cooling body core assembly (8) connects with described refrigerant cycle case (7); Described cooling body core assembly (8) to be steeped with described rubidium by described thermofin (4) and is contacted; The symmetrical two ends of bottom corner of described lower impressions (2) are respectively equipped with one successively through the guidepost (6) of described upper impression (3), thermofin (4), cooling body (5).
2. fill rubidium amount processed fixed point gathering-device in rubidium bubble as claimed in claim 1, it is characterized in that: described heating arrangement (1) is voltage 220V, the temp. controllable electric furnace of power 1000W.
3. fill rubidium amount processed fixed point gathering-device in rubidium bubble as claimed in claim 1, it is characterized in that: described lower impressions (2) and described upper impression (3) are evenly equipped with the faying face that several die joint steeping shape in rubidium is formed, in this faying face, be placed with described rubidium bubble.
4. fill rubidium amount processed fixed point gathering-device in rubidium bubble as claimed in claim 1, it is characterized in that: the glass fibre hardboard that described thermofin (4) is coefficient of heat conductivity λ=0.0350W/mK, thickness is 10mm, and be connected with described upper impression (3) by screw.
5. fill rubidium amount processed fixed point gathering-device in rubidium bubble as claimed in claim 1, it is characterized in that: described cooling body core assembly (8) comprises adjusting nut and overlaps the cooling body core having stage clip; The top of described adjusting nut is not protruded described cooling body (5) and is connected with described refrigerant cycle case (7), is provided with described cooling body core bottom it, and this cooling body core steeps arc surface point cantact through described thermofin (4) and described rubidium.
6. fill rubidium amount processed fixed point gathering-device in rubidium bubble as claimed in claim 1, it is characterized in that: described refrigerant cycle case (7) comprises cyclic water tank and refrigeration machine; The side of described cyclic water tank is provided with water inlet pipe and water outlet pipe joint (9), and this water inlet pipe and water outlet pipe joint (9) is connected with described refrigeration machine respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186994.0A CN105092296A (en) | 2014-05-05 | 2014-05-05 | Fixed-point collection device for rubidium filled in rubidium bulbs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186994.0A CN105092296A (en) | 2014-05-05 | 2014-05-05 | Fixed-point collection device for rubidium filled in rubidium bulbs |
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| Publication Number | Publication Date |
|---|---|
| CN105092296A true CN105092296A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410186994.0A Pending CN105092296A (en) | 2014-05-05 | 2014-05-05 | Fixed-point collection device for rubidium filled in rubidium bulbs |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004211114A (en) * | 2002-12-27 | 2004-07-29 | Mitsubishi Materials Corp | Method of producing rubidium |
| CN102970036A (en) * | 2012-11-20 | 2013-03-13 | 中国科学院武汉物理与数学研究所 | Batched rubidium collecting device of small rubidium clock |
| CN103389234A (en) * | 2013-07-25 | 2013-11-13 | 中国科学院武汉物理与数学研究所 | Rubidium spectrum lamp bulb rubidium repelling device used in high-precision rubidium quantity test |
| CN203824798U (en) * | 2014-05-05 | 2014-09-10 | 权富成 | Fixed-point collection device for rubidiumfilled in rubidium bulbs |
-
2014
- 2014-05-05 CN CN201410186994.0A patent/CN105092296A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004211114A (en) * | 2002-12-27 | 2004-07-29 | Mitsubishi Materials Corp | Method of producing rubidium |
| CN102970036A (en) * | 2012-11-20 | 2013-03-13 | 中国科学院武汉物理与数学研究所 | Batched rubidium collecting device of small rubidium clock |
| CN103389234A (en) * | 2013-07-25 | 2013-11-13 | 中国科学院武汉物理与数学研究所 | Rubidium spectrum lamp bulb rubidium repelling device used in high-precision rubidium quantity test |
| CN203824798U (en) * | 2014-05-05 | 2014-09-10 | 权富成 | Fixed-point collection device for rubidiumfilled in rubidium bulbs |
Non-Patent Citations (1)
| Title |
|---|
| 高炳天 等: "铷泡充制工装设备移位调节机构的设计", 《自动化与仪器仪表》 * |
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Application publication date: 20151125 |
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