CN111128649A - Anode assembly, X-ray tube and X-ray device - Google Patents
Anode assembly, X-ray tube and X-ray device Download PDFInfo
- Publication number
- CN111128649A CN111128649A CN201911370143.0A CN201911370143A CN111128649A CN 111128649 A CN111128649 A CN 111128649A CN 201911370143 A CN201911370143 A CN 201911370143A CN 111128649 A CN111128649 A CN 111128649A
- Authority
- CN
- China
- Prior art keywords
- ring
- heat
- heat conduction
- connecting sleeve
- anode assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000003384 imaging method Methods 0.000 claims description 9
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- XWHXQUBZGDADCU-UHFFFAOYSA-N [Mo].[W].[Re] Chemical compound [Mo].[W].[Re] XWHXQUBZGDADCU-UHFFFAOYSA-N 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/08—Anodes; Anti cathodes
- H01J35/10—Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes
- H01J35/105—Cooling of rotating anodes, e.g. heat emitting layers or structures
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- X-Ray Techniques (AREA)
Abstract
The invention discloses an anode assembly, an X-ray tube and an X-ray device, wherein the anode assembly comprises a mandrel, tracks are arranged at the front end and the rear end of the mandrel, and a cooling piece is connected at the rear end of the mandrel; the bearing ring is sleeved outside the mandrel and positioned on the outer side of the track, and balls are connected between the bearing ring and the track; the connecting sleeve is sleeved outside the bearing ring; the target disc is arranged at one end of the connecting sleeve; the heat conduction ring is sleeved on the outer side of the connecting sleeve and is connected with the target disc; and the heat dissipation protection ring is sleeved between the connecting sleeve and the heat conduction ring and is connected with the cooling piece. The heat conduction ring is connected with the target disc, heat on the target disc can be transferred to the heat conduction ring, heat conduction efficiency of the target disc is favorably improved, the heat dissipation protection ring is arranged between the heat conduction ring and the connecting sleeve, the heat dissipation protection ring is connected with the cooling piece, heat of the heat conduction ring can be isolated, heat transferred to the connecting sleeve and the bearing ring on the heat conduction ring is favorably reduced, high-temperature abrasion is reduced, and therefore the service life of a product is prolonged.
Description
Technical Field
The invention relates to the technical field of X-ray tubes, in particular to an anode assembly, an X-ray tube and an X-ray device.
Background
When the X-ray tube works, the target disc of the anode assembly generates a large amount of heat, and the temperature can reach over 1000 ℃. For an X-ray tube with a rotating anode, the anode assembly is provided with a bearing connected with a target disc, so that the target disc can rotate at a high speed, heat generated by the target disc can be transferred to the bearing, the temperature of the bearing is overhigh, and the service life of the bearing is shortened.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an anode assembly which can effectively accelerate the heat conduction of a target disc and reduce the heat transferred from the target disc to a bearing.
The invention also provides an X-ray tube with the anode assembly.
The invention also provides an X-ray device with the X-ray tube.
The anode assembly comprises a mandrel, wherein rails are arranged at the front end and the rear end of the mandrel, and a cooling piece is connected to the rear end of the mandrel; the bearing ring is sleeved outside the mandrel and positioned on the outer side of the track, and balls are connected between the bearing ring and the track; the connecting sleeve is sleeved outside the bearing ring; the target disc is arranged at one end of the connecting sleeve; the heat conduction ring is sleeved on the outer side of the connecting sleeve and is connected with the target disc; and the heat dissipation protection ring is sleeved between the connecting sleeve and the heat conduction ring and is connected with the cooling piece.
The anode assembly according to the embodiment of the invention has at least the following beneficial effects:
the heat conduction ring is connected with the target disc, heat on the target disc can be transferred to the heat conduction ring, heat conduction efficiency of the target disc is favorably improved, the heat dissipation protection ring is arranged between the heat conduction ring and the connecting sleeve, the heat dissipation protection ring is connected with the cooling piece, heat of the heat conduction ring can be isolated, heat transferred to the connecting sleeve and the bearing ring on the heat conduction ring is favorably reduced, high-temperature abrasion is reduced, and therefore the service life of a product is prolonged.
According to some embodiments of the invention, the connecting sleeve is provided with at least two levels of thin walls.
According to some embodiments of the invention, a first gap is provided between the thermally conductive ring and the heat dissipation protection ring.
According to some embodiments of the invention, a second gap is provided between the heat dissipation protection ring and the connection sleeve.
According to some embodiments of the invention, the heat conducting ring is made of a molybdenum material or a rhenium tungsten molybdenum alloy.
According to some embodiments of the invention, the heat dissipation protective ring is made of stainless steel or copper.
An X-ray tube according to an embodiment of the second aspect of the invention comprises an anode assembly according to an embodiment of the first aspect of the invention.
The X-ray tube provided by the embodiment of the invention has at least the following beneficial effects:
the heat conduction ring is connected with the target disc, heat on the target disc can be transferred to the heat conduction ring, heat conduction efficiency of the target disc is favorably improved, the heat dissipation protection ring is arranged between the heat conduction ring and the connecting sleeve, the heat dissipation protection ring is connected with the cooling piece, heat of the heat conduction ring can be isolated, heat transferred to the connecting sleeve and the bearing ring on the heat conduction ring is favorably reduced, high-temperature abrasion is reduced, and therefore the service life of a product is prolonged.
An X-ray apparatus according to an embodiment of a third aspect of the present invention includes an imaging apparatus; the X-ray tube according to the embodiment of the second aspect of the present invention is provided on one side of the imaging device, and outputs X-rays to the imaging device.
The X-ray device provided by the embodiment of the invention has at least the following beneficial effects:
the heat conduction ring is connected with the target disc, heat on the target disc can be transferred to the heat conduction ring, heat conduction efficiency of the target disc is favorably improved, the heat dissipation protection ring is arranged between the heat conduction ring and the connecting sleeve, the heat dissipation protection ring is connected with the cooling piece, heat of the heat conduction ring can be isolated, heat transferred to the connecting sleeve and the bearing ring on the heat conduction ring is favorably reduced, high-temperature abrasion is reduced, and therefore the service life of a product is prolonged.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of an anode assembly according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the anode assembly shown in FIG. 1;
FIG. 3 is an enlarged fragmentary view of circled location A in FIG. 2;
fig. 4 is a partially enlarged view of circled position B in fig. 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, the present embodiment discloses an anode assembly, which includes a mandrel 100, a bearing ring 300, a connecting sleeve 500, a target disc 600, a heat conducting ring 700, and a heat dissipation protection ring 800, wherein rails 110 are disposed at both front and rear ends of the mandrel 100, a cooling member 200 is connected to the rear end of the mandrel 100, the cooling member 200 is connected to an external cooling medium, and the cooling medium includes water and cooling oil; the bearing ring 300 is sleeved outside the mandrel 100 and located outside the rail 110, and a ball 400 is connected between the bearing ring 300 and the rail 110, wherein the bearing ring 300, the ball 400 and the rail 110 form a bearing structure; the connecting sleeve 500 is sleeved outside the bearing ring 300; the target plate 600 is installed at one end of the connection sleeve 500; the heat conduction ring 700 is sleeved outside the connecting sleeve 500 and is connected with the target disc 600; the heat dissipation protection ring 800 is sleeved between the connection sleeve 500 and the heat conduction ring 700, and is connected with the cooling member 200.
The heat conduction ring 700 is connected with the target disc 600, heat on the target disc 600 can be transferred to the heat conduction ring 700, the heat conduction efficiency of the target disc 600 is favorably improved, a heat dissipation protection ring 800 is arranged between the heat conduction ring 700 and the connecting sleeve 500, the heat of the heat conduction ring 700 can be isolated, the heat dissipation protection ring 800 is connected with the cooling part 200, the heat dissipation protection ring 800 can be rapidly cooled, the heat transferred to the connecting sleeve 500 and the bearing ring 300 on the heat conduction ring 700 is favorably reduced, high-temperature abrasion is reduced, and therefore the service life of a product is prolonged. Referring to fig. 3, it should be noted that in order to ensure relative rotation between the heat-conducting ring 700 and the cooling member 200, a first gap 710 is provided between the heat-conducting ring 700 and the cooling member 200. Referring to fig. 4, in order to further improve the heat insulation effect of the heat dissipation protection ring 800 and ensure the relative rotation between the heat dissipation protection ring 800 and the target disk 600, a second gap 810 is disposed between the heat dissipation protection ring 800 and the target disk 600, so as to prevent the heat on the target disk 600 from being directly transferred to the heat dissipation protection ring 800 and reduce the heat of the heat dissipation protection ring 800.
Referring to fig. 4, the connecting sleeve 500 is provided with a first-stage thin wall, a second-stage thin wall or a thin wall with more than three stages, and compared with a solid structure, the thin wall has a lower heat transfer speed, so that heat transferred from the target disc 600 to the bearing ring 300 through the connecting sleeve 500 can be reduced, thereby preventing the temperature of the bearing structure from being too high, and protecting the bearing structure. In the embodiment of the invention, two-stage thin walls are adopted, the second-stage thin wall 520 is close to the target disc 600, and the wall thickness of the second-stage thin wall 520 is thinner than that of the first-stage thin wall 510, so that the heat transferred by the target disc 600 through the connecting sleeve 500 can be reduced, and the bearing structure is protected.
Referring to fig. 3, in order to further improve the heat insulation effect of the heat dissipation protection ring 800, a first gap 720 is disposed between the heat conduction ring 700 and the heat dissipation protection ring 800, so as to prevent the heat conduction ring 700 and the heat dissipation protection ring 800 from directly contacting each other, and reduce the heat transferred to the heat dissipation protection ring 800.
Referring to fig. 4, in order to further reduce the heat transferred from the heat dissipation protection ring 800 to the connection sleeve 500, a second gap is provided between the heat dissipation protection ring 800 and the connection sleeve 500, so as to prevent the heat dissipation protection ring 800 from directly contacting the connection sleeve 500 and reduce the heat transfer.
In order to provide the heat conduction efficiency of the target disk 600, the heat conduction ring 700 is made of molybdenum or rhenium-tungsten-molybdenum alloy, and the molybdenum or rhenium-tungsten-molybdenum alloy has high heat conduction performance and high mechanical strength, which is beneficial to ensuring the quality of the product in a high-temperature environment.
The heat dissipation protection ring 800 is made of stainless steel or copper material, has good mechanical strength, is not easy to rust in a high-temperature environment, and is beneficial to prolonging the service life of the product.
In a second aspect, an embodiment of the invention discloses an X-ray tube comprising an anode assembly according to an embodiment of the first aspect of the invention.
The heat conduction ring 700 is connected with the target disc 600, heat on the target disc 600 can be transferred to the heat conduction ring 700, the heat conduction efficiency of the target disc 600 is favorably improved, the heat dissipation protection ring 800 is arranged between the heat conduction ring 700 and the connecting sleeve 500, the heat dissipation protection ring 800 is connected with the cooling piece 200, heat of the heat conduction ring 700 can be isolated, the heat transferred to the connecting sleeve 500 and the bearing ring 300 on the heat conduction ring 700 is favorably reduced, high-temperature wear is reduced, and therefore the service life of a product is prolonged.
A third aspect of the invention discloses an X-ray device, comprising an imaging device; the X-ray tube according to the embodiment of the second aspect of the present invention is provided on one side of the imaging device for outputting X-rays to the imaging device.
The heat conduction ring 700 is connected with the target disc 600, heat on the target disc 600 can be transferred to the heat conduction ring 700, the heat conduction efficiency of the target disc 600 is favorably improved, the heat dissipation protection ring 800 is arranged between the heat conduction ring 700 and the connecting sleeve 500, the heat dissipation protection ring 800 is connected with the cooling piece 200, heat of the heat conduction ring 700 can be isolated, the heat transferred to the connecting sleeve 500 and the bearing ring 300 on the heat conduction ring 700 is favorably reduced, high-temperature wear is reduced, and therefore the service life of a product is prolonged.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. An anode assembly, comprising:
the device comprises a mandrel (100), wherein tracks (110) are arranged at the front end and the rear end of the mandrel (100), and a cooling piece (200) is connected to the rear end of the mandrel (100);
the bearing ring (300) is sleeved outside the mandrel (100) and located on the outer side of the rail (110), and balls (400) are connected between the bearing ring (300) and the rail (110);
the connecting sleeve (500) is sleeved outside the bearing ring (300);
a target disc (600) installed at one end of the connection sleeve (500);
the heat conduction ring (700) is sleeved on the outer side of the connecting sleeve (500) and is connected with the target disc (600);
and the heat dissipation protection ring (800) is sleeved between the connecting sleeve (500) and the heat conduction ring (700) and is connected with the cooling piece (200).
2. Anode assembly according to claim 1, characterized in that the connecting sleeve (500) is provided with at least two levels of thin walls.
3. Anode assembly according to claim 1, characterized in that a first gap (720) is provided between the heat conducting ring (700) and the heat dissipation protection ring (800).
4. Anode assembly according to claim 1 or 3, characterized in that a third gap (820) is provided between the heat dissipation guard ring (800) and the connection sleeve (500).
5. Anode assembly according to claim 1, characterized in that the heat conducting ring (700) is made of molybdenum or a rhenium tungsten molybdenum alloy.
6. Anode assembly according to claim 1, characterized in that the heat dissipation protection ring (800) is made of stainless steel or copper material.
7. An X-ray tube comprising an anode assembly according to any one of claims 1 to 6.
8. An X-ray device, comprising:
an imaging device;
the X-ray tube of claim 7, disposed on a side of the imaging device, for outputting X-rays to the imaging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370143.0A CN111128649B (en) | 2019-12-26 | 2019-12-26 | Anode assembly, X-ray tube and X-ray device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370143.0A CN111128649B (en) | 2019-12-26 | 2019-12-26 | Anode assembly, X-ray tube and X-ray device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111128649A true CN111128649A (en) | 2020-05-08 |
| CN111128649B CN111128649B (en) | 2023-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911370143.0A Active CN111128649B (en) | 2019-12-26 | 2019-12-26 | Anode assembly, X-ray tube and X-ray device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111128649B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010055365A1 (en) * | 2000-06-15 | 2001-12-27 | Hiroto Yasutake | Rotary anode type x-ray tube and x-ray tube apparatus provided with the same |
| US20030091148A1 (en) * | 2001-11-14 | 2003-05-15 | Marconi Medical Systems, Inc | X-ray tube heat barrier |
| JP2006066276A (en) * | 2004-08-27 | 2006-03-09 | Toshiba Corp | Rotating anode type x-ray tube |
| CN202678278U (en) * | 2012-06-28 | 2013-01-16 | 珠海瑞能真空电子有限公司 | Split-type rotor structure of X ray tube |
| JP2016139499A (en) * | 2015-01-27 | 2016-08-04 | 東芝電子管デバイス株式会社 | Rotary anode type x ray tube |
-
2019
- 2019-12-26 CN CN201911370143.0A patent/CN111128649B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010055365A1 (en) * | 2000-06-15 | 2001-12-27 | Hiroto Yasutake | Rotary anode type x-ray tube and x-ray tube apparatus provided with the same |
| US20030091148A1 (en) * | 2001-11-14 | 2003-05-15 | Marconi Medical Systems, Inc | X-ray tube heat barrier |
| JP2006066276A (en) * | 2004-08-27 | 2006-03-09 | Toshiba Corp | Rotating anode type x-ray tube |
| CN202678278U (en) * | 2012-06-28 | 2013-01-16 | 珠海瑞能真空电子有限公司 | Split-type rotor structure of X ray tube |
| JP2016139499A (en) * | 2015-01-27 | 2016-08-04 | 東芝電子管デバイス株式会社 | Rotary anode type x ray tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111128649B (en) | 2023-02-03 |
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Effective date of registration: 20240507 Address after: 519090, Zone B, 2nd Floor, Building 6, No. 18 Tianguan West Street, Tangjiawan Town, High tech Zone, Zhuhai City, Guangdong Province Patentee after: Zhuhai Ruineng Medical Equipment Co.,Ltd. Country or region after: China Address before: 519000 Floor 2, Building 1, No. 7, Jinxing Road, Gangwan Avenue, Tangjiawan Town, High-tech Zone, Zhuhai City, Guangdong Province Patentee before: ZHUHAI RCAN VACUUM ELECTRON Co.,Ltd. Country or region before: China |