CN201344914Y - Outer sleeve of end-window X-ray tube for X-ray analysis - Google Patents
Outer sleeve of end-window X-ray tube for X-ray analysis Download PDFInfo
- Publication number
- CN201344914Y CN201344914Y CNU2009200954014U CN200920095401U CN201344914Y CN 201344914 Y CN201344914 Y CN 201344914Y CN U2009200954014 U CNU2009200954014 U CN U2009200954014U CN 200920095401 U CN200920095401 U CN 200920095401U CN 201344914 Y CN201344914 Y CN 201344914Y
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- ray tube
- ray
- light pipe
- overcoat
- cooling fluid
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Abstract
An outer sleeve of an end-window X-ray tube for x-ray analysis is characterized in that the X-ray tube outer sleeve comprises an x-ray light tube, a light tube outer sleeve, a cooling fluid circuit, a filament current circuit, an aviation plug, a high-voltage wire plug and an anode copper pillar. The X-ray tube outer sleeve has the advantages as follows: package-shaped cooling fluid circuit with small gaps can ensures that cooling fluid flows through high-temperature positions of the X-ray tube during the work; the cooling fluid route has no dead corners and has an exhaust function, so that gas produced during the work can be discharged, and the reduction of cooling efficiency or over-burning of X-ray tube caused by gas accumulation can be avoided; the cavity inside the outer sleeve of the X-ray tube takes the shape of a labyrinth, and no linear gap exists between the high-voltage end of the X-ray tube and other metal element, thereby putting an end to the phenomenon of high-pressure electric discharging maximally; two poles of a filament are in compression joint through compression rings, insulation and seal are required to be adopted between the compression ring of the anode and the compression ring of the cathode at same time, and seal is required among the compression rings of the anode and the cathode, thereby ensuring that no leakage occurs on the X-ray tube protected by the outer sleeve of the X-ray tube under vacuum environment.
Description
(1) technical field:
The utility model relates to the peripheral basic device that connects of Xray fluorescence spectrometer excitaton source commonly used-X ray light pipe, promptly a kind of X-ray analysis end window X-ray tube overcoat.
(2) background technology:
X-ray tube is an X fluorescence spectrophotometer excited sample, makes it to launch the excitaton source of the secondary x rays of contained elemental characteristic spectral line, is one of X fluorescence spectrophotometer vitals.For Wavelength dispersion type X fluorescence spectrophotometer, because the singularity of its structure requires X-ray tube to should be the end window construction of sharp-pointed shape.And on the principle of X-ray tube, it is comparatively convenient that X-ray tube is made the side window structure, will pass through particular design and special manufacture craft and make the end window construction, so end window X-ray tube has had only foreign company of several family to produce since the normal phase.
Vitrea electron tube of the outer image of X-ray tube; a little less than being highly brittle, be used in needs an overcoat to provide sharp-pointed many-sided support and protections such as profile, cooling, filament supply, high-voltage power supply plug, High-Voltage Insulation and vacuum protection to it on the X fluorescence spectrophotometer.An overcoat will be realized so many function, and its structure is very complicated, domesticly for a long time all is and the complete import of X-ray tube.
(3) utility model content:
The purpose of this utility model is to invent a kind of X-ray analysis end window X-ray tube overcoat, and it is at the X-ray tube overcoat of external EG-60 type sealing X ray light pipe design, inserts in the spectrometer vacuum chamber, realizes the effect that excites of X ray light pipe.
The technical solution of the utility model: a kind of X-ray analysis end window X-ray tube overcoat is characterized in that it comprises X ray light pipe, light pipe overcoat, cooling fluid path, filament current loop, aviation plug, hi-line plug and anode copper post; Wherein said light pipe overcoat is sharp-pointed taper, and the internal cavity shape makes labyrinth-like in conjunction with cooling fluid path with insulating material, and the light pipe overcoat is enclosed within outside the X ray light pipe, and seals crimping according to the negative electrode in negative electrode pressure ring and filament current loop; Said negative electrode pressure ring is provided with the filament connection terminal, is connected to according to lead on the aviation plug of light pipe jacket bottom; The anode in said filament current loop is according to pressure ring and light pipe overcoat sealing crimping, and the connection terminal on the pressure ring is connected on the aviation plug of light pipe jacket bottom according to lead; The leading-out terminal of the high-voltage power supply of said hi-line plug is welded on the copper conehead, and the scrobicular ring of the anode copper post at copper conehead and X ray light pipe high tension terminal place matches; Said hi-line plug and anode copper column sleeve together are inserted in the hole at light pipe jacket bottom center in the oil-deflecting cover that insulating material is made; Said cooling fluid path wraps up the shape cooling fluid path for the little gap that internal cavity and the oil-deflecting cover of the light pipe overcoat that makes labyrinth-like with insulating material constitutes, in have the liquid coolant of insulation, cooling fluid path to place between the high-pressure side and the metalwork in the X-ray tube overcoat of X ray light pipe.
Be provided with the temperature probe that the monitoring coolant temperature is lower than the working temperature of X-ray tube requirement in the above-mentioned said light pipe overcoat, and connect temperature sensor in the cooling fluid path exit.
Above-mentioned said cooling fluid path connects the liquid coolant casing that places the X-ray tube overcoat outer, and the liquid coolant casing is connected with heat exchanger and ebullator.
The head of above-mentioned said X-ray tube overcoat is installed in the vacuum chamber of X fluorescence spectrophotometer, and establishes dead ring between vacuum chamber, and erection bolt is joined insulation sleeve.
Above-mentioned said hi-line plug connects outside high-voltage power supply.
Liquid coolant in the above-mentioned said cooling fluid path is selected high voltage insulating oil or water for use.
Above-mentioned said X ray light pipe 1 is closed X ray light pipe.
Superiority of the present utility model is: 1, cooperate under the situation of X-ray tube profile and self function permission, the overcoat profile is sharp-pointed as far as possible, make X-ray tube as far as possible near sample like this, and can not block the secondary x rays that from sample, ejects, and the close as best one can sample of the preceding slit that makes optical splitter, thereby shorten the light path of X ray, reduce the decay of X ray, and instrument is obtained than higher performance; High temperature position when 2, little gap parcel shape cooling fluid path can guarantee liquid coolant stream through X-ray tube work, and cooling-liquid circuit is cold and hot clearly demarcated, does not reduce cooling effectiveness because of mixed flow; 3, cooling-liquid circuit does not have the dead angle, is provided with degassing function, the gas that produces in the work can be discharged and unlikely accumulation reduces cooling effectiveness or burns X-ray tube; 4, be provided with temperature sensor in the X-ray tube overcoat, the monitoring coolant temperature is lower than the working temperature of X-ray tube requirement, and X-ray tube overcoat cooling liquid outlet place establishes liquid flow sensor monitoring coolant rate; 5, X-ray tube overcoat internal cavity shape will make labyrinth-like with insulating material in conjunction with cooling fluid path, and making between X-ray tube high-pressure side and other hardwares does not have the straight line space, thereby stops X ray pipe box inner high voltage electric discharge phenomena to the full extent; 6, filament the two poles of the earth are that pressured ring crimping realizes; in crimping; the anode and cathode pressure ring will seal with X-ray tube respectively; to insulate between the anode and cathode pressure ring and will seal simultaneously; to seal between anode and cathode pressure ring and the outer tube; accomplished the positiver sealing of these links, could guarantee that the X-ray tube under the protection of X-ray tube overcoat does not leak in vacuum environment.
(4) description of drawings:
Fig. 1 is the structural representation of the related a kind of X-ray analysis of the utility model with the end window X-ray tube overcoat.
Wherein, 1 is the X ray light pipe, and 2 is the negative electrode pressure ring, and 3 is the light pipe overcoat, and 4 is oil-deflecting cover, and 5 is the anode copper post, and 6 is the hi-line plug, and 7 is temperature sensor, and 8 is aviation plug.
(5) specific embodiments:
Embodiment: a kind of X-ray analysis is characterized in that with end window X-ray tube overcoat (see figure 1) it comprises X ray light pipe 1, light pipe overcoat 3, cooling fluid path, filament current loop, aviation plug 8, hi-line plug 6 and anode copper post 5; Wherein said light pipe overcoat 3 is sharp-pointed taper, and the internal cavity shape makes labyrinth-like in conjunction with cooling fluid path with insulating material, and light pipe overcoat 3 is enclosed within outside the X ray light pipe 1, and according to the negative electrode sealing crimping of negative electrode pressure ring 2 with the filament current loop; Said negative electrode pressure ring 2 is provided with the filament connection terminal, is connected to according to lead on the aviation plug 8 of light pipe overcoat 3 bottoms; The anode in said filament current loop is according to pressure ring and the 3 sealing crimping of light pipe overcoat, and the connection terminal on the pressure ring is connected on the aviation plug 8 of light pipe overcoat 3 bottoms according to lead; The leading-out terminal of the high-voltage power supply of said hi-line plug 6 is welded on the copper conehead, and the scrobicular ring of the anode copper post 5 at copper conehead and X ray light pipe 1 high tension terminal place matches; Said hi-line plug 6 and anode copper post 5 are enclosed within the oil-deflecting cover 4 that insulating material makes, and together are inserted in the hole of light pipe overcoat 3 bottom centre; Said cooling fluid path wraps up the shape cooling fluid path for the little gap that internal cavity and the oil-deflecting cover 4 of the light pipe overcoat 3 that makes labyrinth-like with insulating material constitutes, in have the liquid coolant of insulation, cooling fluid path to place between the high-pressure side and the metalwork in the X-ray tube overcoat of X ray light pipe 1.
Be provided with the temperature probe that the monitoring coolant temperature is lower than the working temperature of X-ray tube requirement in the above-mentioned said light pipe overcoat 3, and connect temperature sensor 7 in the cooling fluid path exit.(see figure 1)
Above-mentioned said cooling fluid path connects the liquid coolant casing that places the X-ray tube overcoat outer, and the liquid coolant casing is connected with heat exchanger and ebullator.
The head of above-mentioned said X-ray tube overcoat is installed in the vacuum chamber of X fluorescence spectrophotometer, and establishes dead ring between vacuum chamber, and erection bolt is joined insulation sleeve.
Above-mentioned said hi-line plug 6 connects outside high-voltage power supply.
Liquid coolant in the above-mentioned said cooling fluid path is selected high voltage insulating oil for use.
Above-mentioned said X ray light pipe 1 is closed X ray light pipe (see figure 1).
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1, a kind of X-ray analysis end window X-ray tube overcoat is characterized in that it comprises X ray light pipe, light pipe overcoat, cooling fluid path, filament current loop, aviation plug, hi-line plug and anode copper post; Wherein said light pipe overcoat is sharp-pointed taper, and the internal cavity shape makes labyrinth-like in conjunction with cooling fluid path with insulating material, and the light pipe overcoat is enclosed within outside the X ray light pipe, and seals crimping according to the negative electrode in negative electrode pressure ring and filament current loop; Said negative electrode pressure ring is provided with the filament connection terminal, is connected to according to lead on the aviation plug of light pipe jacket bottom; The anode in said filament current loop is according to pressure ring and light pipe overcoat sealing crimping, and the connection terminal on the pressure ring is connected on the aviation plug of light pipe jacket bottom according to lead; The leading-out terminal of the high-voltage power supply of said hi-line plug is welded on the copper conehead, and the scrobicular ring of the anode copper post at copper conehead and X ray light pipe high tension terminal place matches; Said hi-line plug and anode copper column sleeve together are inserted in the hole at light pipe jacket bottom center in the oil-deflecting cover that insulating material is made; Said cooling fluid path wraps up the shape cooling fluid path for the little gap that internal cavity and the oil-deflecting cover of the light pipe overcoat that makes labyrinth-like with insulating material constitutes, in have the liquid coolant of insulation, cooling fluid path to place between the high-pressure side and the metalwork in the X-ray tube overcoat of X ray light pipe.
2, according to the said a kind of X-ray analysis end window X-ray tube overcoat of claim 1, it is characterized in that being provided with the temperature probe that the monitoring coolant temperature is lower than the working temperature of X-ray tube requirement in the said light pipe overcoat, and connect temperature sensor in the cooling fluid path exit.
3, according to the said a kind of X-ray analysis end window X-ray tube overcoat of claim 1, it is characterized in that said cooling fluid path connects the liquid coolant casing that places the X-ray tube overcoat outer, the liquid coolant casing is connected with heat exchanger and ebullator.
4, according to the said a kind of X-ray analysis end window X-ray tube overcoat of claim 1, it is characterized in that the head of said X-ray tube overcoat is installed in the vacuum chamber of X fluorescence spectrophotometer, and between vacuum chamber, establish dead ring that erection bolt is joined insulation sleeve.
5,, it is characterized in that said hi-line plug connects outside high-voltage power supply according to the said a kind of X-ray analysis end window X-ray tube overcoat of claim 1.
6,, it is characterized in that the liquid coolant in the said cooling fluid path is selected high voltage insulating oil or water for use according to the said a kind of X-ray analysis end window X-ray tube overcoat of claim 1.
7,, it is characterized in that said X ray light pipe (1) is closed X ray light pipe according to the said a kind of X-ray analysis end window X-ray tube overcoat of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200954014U CN201344914Y (en) | 2009-01-21 | 2009-01-21 | Outer sleeve of end-window X-ray tube for X-ray analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200954014U CN201344914Y (en) | 2009-01-21 | 2009-01-21 | Outer sleeve of end-window X-ray tube for X-ray analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201344914Y true CN201344914Y (en) | 2009-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200954014U Expired - Lifetime CN201344914Y (en) | 2009-01-21 | 2009-01-21 | Outer sleeve of end-window X-ray tube for X-ray analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201344914Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957200A (en) * | 2019-12-12 | 2020-04-03 | 陈瑞安 | Reflection type X-ray tube |
-
2009
- 2009-01-21 CN CNU2009200954014U patent/CN201344914Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957200A (en) * | 2019-12-12 | 2020-04-03 | 陈瑞安 | Reflection type X-ray tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA NATIOANL BUILDING MATERIALS CERTIFICATION CE Free format text: FORMER NAME: CHINA BUILDING MATERIAL TEST + CONFISCATION CENTER Owner name: CHINA BUILDING MATERIAL TEST + CERTIFICATION GROUP Free format text: FORMER NAME: CHINA BUILDING MATERIALS TEST + CERTIFICATION CO., LTD. Owner name: CHINA BUILDING MATERIALS TEST + CERTIFICATION CO., Free format text: FORMER NAME: CHINA NATIOANL BUILDING MATERIALS CERTIFICATION CENTER CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100024 Beijing, Guanzhuang, East Lane, No. 1, Patentee after: CHINA BUILDING MATERIAL TEST & CERTIFICATION GROUP Co.,Ltd. Address before: 100024 Beijing, Guanzhuang, East Lane, No. 1, Patentee before: China building materials inspection and certification Limited by Share Ltd. Address after: 100024 Beijing, Guanzhuang, East Lane, No. 1, Patentee after: China building materials inspection and certification Limited by Share Ltd. Address before: 100024 Beijing, Guanzhuang, East Lane, No. 1, Patentee before: China Building Material Test & Certification Center Co.,Ltd. Address after: 100024 Beijing, Guanzhuang, East Lane, No. 1, Patentee after: China Building Material Test & Certification Center Co.,Ltd. Address before: 100024 Beijing, Guanzhuang, East Lane, No. 1, Patentee before: China Building Material Test & Certification Center |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091111 |