CN115241030B - CT bulb tube - Google Patents
CT bulb tube Download PDFInfo
- Publication number
- CN115241030B CN115241030B CN202210870387.0A CN202210870387A CN115241030B CN 115241030 B CN115241030 B CN 115241030B CN 202210870387 A CN202210870387 A CN 202210870387A CN 115241030 B CN115241030 B CN 115241030B
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- communicated
- cooling
- bulb
- cooling liquid
- 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.)
- Active
Links
- 239000000110 cooling liquid Substances 0.000 claims abstract description 45
- 230000017525 heat dissipation Effects 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims description 28
- 238000005192 partition Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 5
- 238000000638 solvent extraction Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 description 5
- 239000012809 cooling fluid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- H01J35/12—Cooling non-rotary anodes
- H01J35/13—Active cooling, e.g. fluid flow, heat pipes
-
- 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
- H01J35/106—Active cooling, e.g. fluid flow, heat pipes
Abstract
The invention relates to the technical field of medical appliances, in particular to a CT bulb tube. The cathode assembly is communicated with the shell and is opposite to the target disc, a heat dissipation flow channel is arranged between the shell and the target disc, the back of the shell is provided with a heat dissipation device, and the heat dissipation flow channel is communicated with the heat dissipation device. According to the invention, the heat radiating device is arranged on the back surface of the CT tube core, and the heat radiating flow passage is arranged in the CT tube bulb and communicated with the heat radiating device, so that the cooling liquid in the CT tube bulb effectively flows, the heat radiating efficiency is improved, the heat in the tube bulb can be taken away in a targeted manner through the communication between the internal cooling flow passage and the external heat exchanger, and the service life of the CT tube is prolonged.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a CT bulb tube.
Background
The CT bulb tube adopts a direct cooling liquid convection cooling mode of the bulb tube to dissipate heat, corresponding pipelines are designed for cooling liquid opposite flushing aiming at hotter window parts, and a large amount of cooling liquid with slower flow rate or no flow exists in other areas in the tube sleeve, so that the parts to be cooled cannot be subjected to complete convection heat exchange. Meanwhile, the heat dissipation structure is designed only in the window part and the bulb tube, so that the back of the CT bulb tube cannot be sufficiently dissipated.
Disclosure of Invention
The invention provides a CT bulb tube, which solves at least one technical problem existing in the prior art.
The invention adopts the following technical scheme: the utility model provides a CT bulb, includes casing, target disc and cathode assembly, the target disc is installed the inside of casing, the cathode assembly with the casing intercommunication is just right the target disc, the casing with be provided with the heat dissipation runner between the target disc, the casing back is provided with heat abstractor, the heat dissipation runner with heat abstractor intercommunication.
Further, the cathode assembly is provided with a liquid injection port and a liquid outlet, the liquid injection port is separated from the liquid outlet and communicated with the heat dissipation flow channel, and the liquid outlet is communicated with the heat dissipation device.
Further, the liquid outlet is communicated with the heat dissipation device through a connecting hose.
Further, the heat dissipation runner comprises a plurality of longitudinal channels and transverse channels, and the longitudinal channels and the transverse channels are connected end to form a serpentine channel.
Further, the heat dissipating device comprises an annular upper cover plate and a lower bottom plate, an outer sleeve is arranged on the outer diameter edges of the upper cover plate and the lower bottom plate, a cooling liquid input port and a cooling liquid output port are formed in the outer sleeve, an inner sleeve is arranged on the inner diameter edges of the upper cover plate and the lower bottom plate, a flow passage partition plate is arranged between the outer sleeve and the inner sleeve, the upper end and the lower end of the flow passage partition plate are respectively connected with the upper cover plate and the lower bottom plate, the flow passage partition plate divides a cavity enclosed by the upper cover plate, the lower bottom plate, the outer sleeve and the inner sleeve into a cooling flow passage, and the cooling flow passage is communicated with the cooling liquid input port and the cooling liquid output port.
Further, the heat dissipating device further comprises a cooling liquid connecting pipe, the cooling liquid connecting pipe is communicated with the cooling liquid output port, the cooling flow channels comprise a plurality of annular cooling flow channels, the cooling flow channels are concentric with the heat dissipating device and gradually reduce in radius, the tail end of the cooling flow channel of the innermost ring is communicated with the cooling liquid connecting pipe, the head and the tail of the annular cooling flow channels are communicated through transition flow channels, and the cooling flow channel of the outermost ring is communicated with the cooling liquid input port.
Further, at least one of the inner circle of the outer sleeve, the outer circle of the inner sleeve, the outer circle of the flow passage partition plate or the inner circle is provided with a bulge.
Further, the protruding portion is a block protruding portion.
Further, the upper cover plate and the lower bottom plate are concentric equal-diameter circular rings, and the outer sleeve and the inner sleeve are concentric circular tubes.
The invention has the beneficial effects that: according to the invention, the heat radiating device is arranged on the back surface of the CT tube core, and the heat radiating flow passage is arranged in the CT tube bulb and communicated with the heat radiating device, so that the cooling liquid in the CT tube bulb effectively flows, the heat radiating efficiency is improved, the heat in the tube bulb can be taken away in a targeted manner through the communication between the internal cooling flow passage and the external heat exchanger, and the service life of the CT tube is prolonged.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic view of a heat dissipating device according to the present invention.
Fig. 4 is a cross-sectional view A-A of fig. 3.
Fig. 5 is a perspective view of a heat sink in the present invention.
Fig. 6 is a cross-sectional view of another embodiment of a heat sink in the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings, in which the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
In an embodiment of the present invention, fig. 1 is a schematic perspective view of a structure according to the present invention, and fig. 2 is a cross-sectional view according to the present invention. As shown in fig. 1 and 2, the invention comprises a shell 1, a target disc 11 and a cathode assembly 2, wherein the cathode assembly 2 is arranged above the shell 1, the cathode assembly 2 is communicated with the shell, the cathode assembly 2 is opposite to the target disc 11, the target disc 11 is arranged in the shell 1 and is connected with the output end of a driving motor 6, and the target disc 11 is driven to rotate by the driving motor. A heat dissipation runner 4 is arranged between the shell 1 and the target disk 11, the back of the shell 1 is provided with the heat dissipation device 3, and the heat dissipation runner 4 is communicated with the heat dissipation device 3. The heat dissipation flow passage 4 may communicate with the heat dissipation device 3 through an internal flow passage. Or the cathode assembly 2 may be provided with a liquid injection port 21 and a liquid outlet 22, the liquid injection port 21 and the liquid outlet 22 are separated from each other and are all communicated with the heat dissipation flow channel 4, and the liquid outlet 22 is communicated with the heat dissipation device 3.
Specifically, the liquid outlet 22 is communicated with the heat dissipating device 3 through a connecting hose 5. The liquid outlet 22 is fixed with the connecting hose 5 by means of a hose clamp, a taper thread, a barb or the like.
The heat dissipation runner 4 comprises a plurality of longitudinal channels and transverse channels, and the longitudinal channels and the transverse channels are connected end to form a serpentine channel. By injecting the cooling liquid into the liquid injection port 21, the cooling liquid firstly passes through the window part of the CT tube to cool the window part, then flows into the serpentine heat dissipation flow channel 4 to exchange heat with the target disk, and then flows into the heat dissipation device 3 through the liquid outlet 22 to promote the cooling liquid in the whole CT tube to flow. The cooling liquid can adopt antifreeze liquid or water and other liquid with high heat capacity, so that the heat exchange efficiency is improved.
In the embodiment of the present invention, the heat dissipating device 3 includes an annular upper cover plate 31 and a lower bottom plate 32, an outer sleeve 33 is disposed on the outer diameter edges of the upper cover plate 31 and the lower bottom plate 32, a cooling fluid inlet 331 and a cooling fluid outlet 332 are disposed on the outer sleeve, an inner sleeve 34 is disposed on the inner diameter edges of the upper cover plate 31 and the lower bottom plate 32, a flow channel partition plate 35 is disposed between the outer sleeve 33 and the inner sleeve 34, the upper end and the lower end of the flow channel partition plate 35 are respectively connected with the upper cover plate 31 and the lower bottom plate 32, the flow channel partition plate 35 separates a cavity enclosed by the upper cover plate 31, the lower bottom plate 32, the outer sleeve 33 and the inner sleeve 34 into a cooling flow channel 333, and the cooling flow channel is communicated with the cooling fluid inlet 331 and the cooling fluid outlet 332. The heat radiator 3 is provided with screw holes which are matched with the screw holes on the CT tube and are connected by screws. The cooling liquid inlet 331 communicates with the liquid outlet 22 through a hose.
Further, the heat dissipating device 3 further includes a cooling liquid connecting pipe, the cooling liquid connecting pipe is communicated with the cooling liquid output port 332, the cooling flow channel includes a plurality of annular cooling flow channels 333, the cooling flow channels 333 are concentric with the heat dissipating device 3 and have gradually decreasing radius, the tail end of the cooling flow channel of the innermost ring is communicated with the cooling liquid connecting pipe, the head and tail ends of the cooling flow channels 333 of the plurality of annular cooling flow channels are communicated through transition flow channels, and the cooling flow channel 333 of the outermost ring is communicated with the cooling liquid input port 331. The upper cover plate 31 and the lower bottom plate 32 are concentric equal-diameter circular rings, and the outer sleeve and the inner sleeve 34 are concentric circular tubes. The inner end of the cooling liquid connecting pipe is connected with the outer circle of the inner sleeve 34, the circular arc-shaped flow passage partition plates 35 which are arranged at intervals are fixed on the left side pipe wall and the right side pipe wall of the cooling liquid connecting pipe, the flow passage partition plates 35 fixed on the left side pipe wall of the cooling liquid connecting pipe encircle the inner sleeve 34 and are separated from the right side pipe wall of the cooling liquid connecting pipe by a certain distance to form a transition flow passage after approaching one circle, the flow passage partition plates 35 fixed on the right side pipe wall of the cooling liquid connecting pipe encircle the inner sleeve 34 and are separated from the left side pipe wall of the cooling liquid connecting pipe by a certain distance to form a transition flow passage after approaching one circle, the cooling liquid connecting pipe inlet is formed on the cooling liquid connecting pipe on the inner side of the innermost ring flow passage partition plates 35, the connecting position of the cooling liquid connecting pipe inlet and the innermost ring flow passage partition plates 35 on the cooling liquid connecting pipe is on the same side, and the connecting position of the cooling liquid inlet 331 and the outermost ring flow passage partition plates 35 on the cooling liquid connecting pipe is on the same side.
At least one of the inner circumference of the outer sleeve, the outer circumference of the inner sleeve 34, the outer circumference or the inner circumference of the flow path baffle 35 is provided with a protrusion 37. The protruding portion 37 is a block protruding portion or a strip protruding portion. The convection heat exchange area can be increased, and the heat exchange effect is improved.
When in work, the whole device is connected with the tube shell in a welding or thread mode and the like. The bearing of CT pipe is installed to interior sleeve pipe 34 inside, and the coolant liquid passes through coolant liquid input port 331 and gets into, through inside cooling flow channel, finally flows through coolant liquid connecting pipe, coolant liquid delivery port 332, and the coolant liquid can be fine near the bulb target plate through carrying out the heat exchange to upper cover plate 31, lower plate 32, outer tube, interior sleeve pipe 34 and runner baffle 35.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (7)
1. The CT bulb tube is characterized by comprising a shell (1), a target disc (11) and a cathode assembly (2), wherein the target disc (11) is arranged in the shell (1), the cathode assembly (2) is communicated with the shell (1) and is opposite to the target disc (11), a heat dissipation flow channel (4) is arranged between the shell (1) and the target disc (11), a heat dissipation device (3) is arranged at the back of the shell (1), and the heat dissipation flow channel (4) is communicated with the heat dissipation device (3);
the heat dissipation device (3) comprises an annular upper cover plate (31) and a lower bottom plate (32), an outer sleeve (33) is arranged on the outer diameter edges of the upper cover plate (31) and the lower bottom plate (32), a cooling liquid input port (331) and a cooling liquid output port (332) are arranged on the outer sleeve, an inner sleeve (34) is arranged on the inner diameter edges of the upper cover plate (31) and the lower bottom plate (32), a flow passage partition plate (35) is arranged between the outer sleeve (33) and the inner sleeve, the upper end and the lower end of the flow passage partition plate (35) are respectively connected with the upper cover plate (31) and the lower bottom plate (32), the cooling flow passage is formed by partitioning a cavity surrounded by the upper cover plate (31), the lower bottom plate (32), the outer sleeve and the inner sleeve (34), and the cooling flow passage is communicated with the cooling liquid input port (331) and the cooling liquid output port (332);
the heat dissipation device (3) further comprises a cooling liquid connecting pipe, the cooling liquid connecting pipe is communicated with the cooling liquid output port (332), the cooling flow channels comprise a plurality of annular cooling flow channels (333), the cooling flow channels (333) are concentric with the heat dissipation device (3) and gradually reduce in radius, the tail end of the cooling flow channel of the innermost ring is communicated with the cooling liquid connecting pipe, the head and the tail of the annular cooling flow channels (333) are communicated through transition flow channels, and the cooling flow channel (333) of the outermost ring is communicated with the cooling liquid input port (331).
2. The CT bulb as claimed in claim 1, wherein the cathode assembly (2) is provided with a liquid injection port (21) and a liquid outlet port (22), the liquid injection port (21) and the liquid outlet port (22) are separated from each other and are communicated with the heat dissipation flow channel (4), and the liquid outlet port (22) is communicated with the heat dissipation device (3).
3. CT bulb as claimed in claim 2, characterised in that the outlet (22) communicates with the heat sink (3) via a connection hose (5).
4. The CT bulb as recited in claim 1, wherein the heat dissipation runner (4) comprises a plurality of longitudinal channels and transverse channels that are joined end to form a serpentine channel.
5. A CT bulb as claimed in claim 1, characterised in that a bulge (37) is provided in at least one of the inner circle of the outer sleeve, the outer circle of the inner sleeve (34), the outer circle of the flow channel separator (35) or the inner circle.
6. CT bulb according to claim 5, characterized in that the projections (37) are block-shaped projections.
7. The CT bulb as claimed in claim 1, wherein the upper cover plate (31) and the lower base plate (32) are concentric equal diameter circular rings and the outer sleeve and the inner sleeve (34) are concentric circular tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210870387.0A CN115241030B (en) | 2022-07-22 | 2022-07-22 | CT bulb tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210870387.0A CN115241030B (en) | 2022-07-22 | 2022-07-22 | CT bulb tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115241030A CN115241030A (en) | 2022-10-25 |
| CN115241030B true CN115241030B (en) | 2023-11-17 |
Family
ID=83674798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210870387.0A Active CN115241030B (en) | 2022-07-22 | 2022-07-22 | CT bulb tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115241030B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6249569B1 (en) * | 1998-12-22 | 2001-06-19 | General Electric Company | X-ray tube having increased cooling capabilities |
| CN1870255A (en) * | 2005-05-24 | 2006-11-29 | 富准精密工业(深圳)有限公司 | Liquid-cooling heat sink |
| DE102006062451A1 (en) * | 2006-12-28 | 2008-07-03 | Comet Gmbh | Micro focus x-ray tube for examining printed circuit board in electronic industry, has cooling unit for supplying flow of cooling agent e.g. air, to target over cooling agent channel, and component of tube connected with target |
| CN104347334A (en) * | 2013-08-08 | 2015-02-11 | 西门子公司 | Single-pole x-ray emitter |
| CN105006415A (en) * | 2015-08-18 | 2015-10-28 | 上海宏精医疗器械有限公司 | Novel X-ray tube rotating anode device |
| CN107260191A (en) * | 2017-06-06 | 2017-10-20 | 珠海瑞能真空电子有限公司 | A kind of embedded water collar target disc structure and its manufacture craft for CT bulbs |
| KR101824135B1 (en) * | 2016-12-20 | 2018-02-01 | 경북대학교 산학협력단 | Thermal damage preventing rotating anode type X-ray tube |
| CN108766861A (en) * | 2018-07-30 | 2018-11-06 | 麦默真空技术无锡有限公司 | A kind of anode assemblies for X ray CT pipe |
| CN112563095A (en) * | 2020-12-26 | 2021-03-26 | 思柯拉特医疗科技（苏州）有限公司 | Medical X-ray tube with bearing structures at two ends |
| CN213309812U (en) * | 2020-08-24 | 2021-06-01 | 麦默真空技术无锡有限公司 | X-ray CT bulb tube with uniform temperature |
| CN112928003A (en) * | 2021-04-01 | 2021-06-08 | 西门子爱克斯射线真空技术(无锡)有限公司 | X-ray generating device and imaging equipment |
-
2022
- 2022-07-22 CN CN202210870387.0A patent/CN115241030B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6249569B1 (en) * | 1998-12-22 | 2001-06-19 | General Electric Company | X-ray tube having increased cooling capabilities |
| CN1870255A (en) * | 2005-05-24 | 2006-11-29 | 富准精密工业(深圳)有限公司 | Liquid-cooling heat sink |
| DE102006062451A1 (en) * | 2006-12-28 | 2008-07-03 | Comet Gmbh | Micro focus x-ray tube for examining printed circuit board in electronic industry, has cooling unit for supplying flow of cooling agent e.g. air, to target over cooling agent channel, and component of tube connected with target |
| CN104347334A (en) * | 2013-08-08 | 2015-02-11 | 西门子公司 | Single-pole x-ray emitter |
| CN105006415A (en) * | 2015-08-18 | 2015-10-28 | 上海宏精医疗器械有限公司 | Novel X-ray tube rotating anode device |
| KR101824135B1 (en) * | 2016-12-20 | 2018-02-01 | 경북대학교 산학협력단 | Thermal damage preventing rotating anode type X-ray tube |
| CN107260191A (en) * | 2017-06-06 | 2017-10-20 | 珠海瑞能真空电子有限公司 | A kind of embedded water collar target disc structure and its manufacture craft for CT bulbs |
| CN108766861A (en) * | 2018-07-30 | 2018-11-06 | 麦默真空技术无锡有限公司 | A kind of anode assemblies for X ray CT pipe |
| CN213309812U (en) * | 2020-08-24 | 2021-06-01 | 麦默真空技术无锡有限公司 | X-ray CT bulb tube with uniform temperature |
| CN112563095A (en) * | 2020-12-26 | 2021-03-26 | 思柯拉特医疗科技（苏州）有限公司 | Medical X-ray tube with bearing structures at two ends |
| CN112928003A (en) * | 2021-04-01 | 2021-06-08 | 西门子爱克斯射线真空技术(无锡)有限公司 | X-ray generating device and imaging equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115241030A (en) | 2022-10-25 |
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