CN207611738U - X-ray conversion target - Google Patents
X-ray conversion target Download PDFInfo
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- CN207611738U CN207611738U CN201721210408.7U CN201721210408U CN207611738U CN 207611738 U CN207611738 U CN 207611738U CN 201721210408 U CN201721210408 U CN 201721210408U CN 207611738 U CN207611738 U CN 207611738U
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- target
- spine
- target portion
- cooling
- ray conversion
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Abstract
The utility model discloses a kind of X-ray conversion targets.X-ray conversion target includes target body and target portion, and target portion is arranged inside target body, and there is the first face, first face to be configured to generate X-ray in target portion；Wherein, X-ray conversion target further includes cooling duct, and the side wall of the cooling duct is at least partly made of the part in target portion.
Description
Technical field
The utility model is related to X-ray conversion target fields, more particularly to a kind of X-ray conversion target.
Background technology
With continuously improving for electron accelerator technology, more and more industries carry out various applications using accelerator.Example
Such as：The high energy electron accelerated using accelerator is modified product, carries out radiation sterilizing processing to food in the food industry,
Radioactive breeding, stimulation volume increase, radiation pest control are carried out agriculturally commonly using X-ray, and in enterprising practise medicine of medical industry
Imaging and therapeutic treatment.
It for the high-power accelerator for irradiation, needs to carry out rapid cooling to target, heat dissipation not in time is possible to make
At the thawing of target, and the quality of heat dissipation effect directly influences the service life of conversion target and the working efficiency of accelerating tube is asked
Topic.
Utility model content
One side according to the present utility model provides a kind of X-ray conversion target, including target body and target portion, the setting of target portion
Inside target body, there is the first face, first face to be configured to generate X-ray in target portion；
Wherein, X-ray conversion target further includes cooling duct, and the side wall of the cooling duct is at least partly by one of target portion
Divide and constitutes.
In one embodiment, the cooling duct include positioned at target portion the second face cooling bath, second face with
First face be target portion back to two faces；
The cooling bath is by the first spine being oppositely arranged, extending respectively along the edge in second face in target portion and the second ridge
Portion limits jointly with the second face.
In one embodiment, the cooling duct includes the annular groove positioned at the side in target portion.
In one embodiment, X-ray conversion target further includes positioned at the cooling side of the side in target portion, the cooling side
Cooling side inner space is limited, the X-ray that target portion generates is propagated in cooling side inner space.
In one embodiment, the target body includes target body outside portion, and the target body outside portion limits the interior of the target body
Portion space；Wherein, the cooling side in the target body outside portion and the target portion limits the annular groove.
In one embodiment, the cooling side in target body outside portion and target portion by interconnecting piece connect so as to target body on the outside of
Portion, target portion cooling side limit the annular groove jointly, also, the interconnecting piece includes the fluid of the first end by near target portion
The fluid outlet of entrance and the second end opposite with first end by near target portion.
In one embodiment, the top surface of target body outside portion and the top surface of first spine, the second spine are located at same
Plane.
In one embodiment, X-ray conversion target further includes cover board, the cover board be arranged in target body outside portion top surface and
First spine, the second spine top surface on.
In one embodiment, the target portion includes copper.
In one embodiment, the target portion includes the gold positioned at copper surface.
In one embodiment, X-ray conversion target further includes channel support plate, and channel support plate limits the X that target portion generates
Ray exit channel.
In one embodiment, X-ray conversion target further includes channel support plate, and the channel support plate limits target portion and generates
X-ray exit channel；Also, channel support plate connects target body outside portion and extends.
In one embodiment, X-ray conversion target further includes support plate cooling fin, and the support plate cooling fin is arranged in institute
The outside for stating channel support plate is used for the heat dissipation of channel support plate.
In one embodiment, the cooling side of the side in target portion and first spine, the second spine are integral structures.
In one embodiment, on the outside of the cooling side of the side in target portion, first spine, the second spine and target body
Portion is integral structure.
In one embodiment, wherein relative to the second face, the first spine and the second spine have the thickness more than 5mm.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the X-ray conversion target of the utility model one embodiment, and cover plate is removed；
Fig. 2 is the stereoscopic schematic diagram of the half of the X-ray conversion target of the embodiments of the present invention, and cover plate is gone
It removes；
Fig. 3 is the schematic sectional view of the line A-A in Fig. 1 of the X-ray conversion target of the embodiments of the present invention, wherein
Channel support plate is removed；
Fig. 4 is the schematic sectional view of the line B-B in Fig. 1 of the X-ray conversion target of the embodiments of the present invention, wherein
Channel support plate is removed；
Fig. 5 is the schematic sectional view of the line A-A in Fig. 1 of the X-ray conversion target of the embodiments of the present invention.
Specific implementation mode
Although the utility model allows various modifications and interchangeable form, its specific embodiment passes through example
Mode be shown in the accompanying drawings, and will be described herein in detail.It should be appreciated, however, that the attached drawing and detailed of accompanying
Description is not configured to the utility model being restricted to disclosed concrete form, but on the contrary, is fallen into cover by being appended
All modifications, equivalent form and alternative forms in the spirit and scope of the utility model that claim limits.Attached drawing is
In order to illustrate, thus draw not to scale.
Below according to description of the drawings multiple embodiments according to the present utility model.
As shown in Figs. 1-5, the embodiments of the present invention provide a kind of X-ray conversion target, including target body and target portion 5, target
Portion 5 is arranged inside target body.There is the first face, first face to be configured to generate X-ray in target portion 5.X-ray conversion target is also wrapped
Cooling duct is included, the side wall of the cooling duct is at least partly made of the part in target portion 5.
In the operating condition, high-power electron beam impinges perpendicularly on first face in target portion 5, so as to what is for example formed by copper product
Target portion 5 generates X-ray, while a part of high energy electron becomes instead Hong electronics.First face can be substantitally planar surface.High energy electricity
The bombardment of son makes 5 temperature of target portion increase.The part in target portion 5 constitutes the heat that the side wall of cooling duct can allow target portion 5 to generate
It is transferred directly to cooling duct, is taken away by the fluid in cooling duct, so that the temperature in target portion 5 will not rise rapidly
It is high.Fluid in cooling duct can be liquid, such as the water that specific heat is big.Since the heat conductivity of copper is good, the heat of the generation of target portion 5
The refrigerant that can be transferred to rapidly in cooling duct.
In one embodiment of the utility model, as shown in figure 3, the cooling duct includes positioned at the second of target portion 5
The cooling bath 1 in face, second face and first face be target portion 5 back to two faces.When passing through refrigerant in cooling bath 1
When, second face in target portion 5 is directly contacted with refrigerant, and a part of heat in target portion 5 is taken away by refrigerant, the temperature in second face in target portion 5
It reduces, to form temperature difference between first face and the second face in target portion 5, the heat in target portion 5 is rapidly from first face in target portion 5
It is transmitted to the second face, to which the temperature raising in first face in target portion 5 is inhibited.The length in target portion can be 134mm, and width is
Cooling bath 1 is arranged in the rear portion in target portion 5 by 48mm, and structure is compacter, is convenient for the design and installation of exterior shield.
In one embodiment, cooling bath 1 by it is being oppositely arranged, extend respectively along the edge in second face in target portion 5 the
One spine 21 and the second spine 22 limit jointly with the second face.In embodiment as shown in Figure 3, cooling bath 1 has inverted trapezoidal
Cross-sectional shape.However, cooling bath 1 can also be with the cross-sectional shape or other shapes of rectangle.First spine 21 and
Two spines 22 are oppositely arranged, and in figure 3, the height in their the second face of top surface distance, the depth of cooling bath 1 in other words can be with
It is 4mm, can also be 5mm.However, the depth of cooling bath 1 may be greater than 5mm.Under normal circumstances, refrigerant uses water more, because
It is big for the specific heat of water and both economical using water.When the regional area in target portion 5, such as the first face is due to high-power electron beam
When bombarding and forming high temperature, the water meeting partial vaporization contacted with target portion 5 boils to form air gap, this can weaken heat dissipation effect significantly.
The depth of cooling bath 1, which is more than 4~5mm, can effectively prevent because caused by partial vaporization the problem of air gap barrier heat dissipation.At this
In embodiment, the first spine 21 and the second spines 22 itself that formed by copper material have heat sinking function.In one embodiment,
What one spine 21 and the second spine 22 can be integrally formed with target portion 5.
In another embodiment, multiple spines such as third spine, the 4th spine can be set on the second face, and multiple spines can
Using as heat dissipation element, and increase the second face contact surface of refrigerant and target portion 5, improves heat-sinking capability.
In one embodiment, the cooling duct further includes the annular groove 3 positioned at the side in target portion 5, and annular groove 3 surrounds
Target portion 5.
In one embodiment, X-ray conversion target further includes positioned at the cooling side 2 of the side in target portion 5, the cold side
Portion 2 limits cooling 2 inner space of side, and the X-ray that target portion 5 generates is propagated in cooling 2 inner space of side.In other words,
The X-ray exit direction that cooling 2 extending direction of side is generated with target portion 5 is substantially the same, with the high energy electron bombarded towards target portion 5
The direction of motion of beam is opposite (direction of motion of high-power electron beam is shown with arrow 10 in Figure 5).
In one embodiment, the cooling side 2 of the side in target portion 5, first spine, 21 and second spine 22 are
Integral structure.Integral structure is advantageous, and the heat that target portion 5 generates can be passed to rapidly the low-temperature space in target portion 5.
In one embodiment, the target body includes target body outside portion 6, and the target body outside portion 6 limits the target body
Inner space.The cooling side 2 in the target body outside portion 6 and the target portion 5 limits the annular groove 3.In other words, outside target body
Side 6 forms the outside of annular groove 3, and the cooling side 2 in target portion 5 forms the inside of annular groove 3, and annular groove 3 is formed in outside target body
Between side 6 and the cooling side 2 in target portion 5.Refrigerant can flow in annular groove 3, to take away the cooling side 2 in target portion 5
Heat, reduce the temperature of the cooling side 2 in target portion 5.
In one embodiment, the cooling side 2 of the side in target portion 5, first spine 21, the second spine 22 and target
External side 6 is integral structure.Integral structure is advantageous, and the heat that target portion 5 generates can be passed to rapidly the low temperature in target portion 5
Area.
In one embodiment, the top surface of target body outside portion 6 and the top surface of first spine 21, the second spine 22 are located at
Same plane.X-ray conversion target can also include cover board 7, and the cover board 7 be arranged in the top surface and described the of target body outside portion 6
One spine 21, the second spine 22 top surface on.
In the present embodiment, when cover board 7 is covered in top surface and first spine 21, the second spine of target body outside portion 6
On 22 top surface, since the top surface of the top surface of target body outside portion 6 and first spine 21, the second spine 22 is located at same put down
Face, it is recognised that the cooling bath 1 and annular groove 3 between the first spine 21 and the second spine 22 are by the first spine 21 and the second ridge
Portion 22 separates, while annular groove 3 is divided into two parts by the first spine 21 and the second spine 22, such as Fig. 3 intermediate annular grooves 3 are divided
At 3 part of annular groove in left side and 3 part of annular groove on right side.It should be noted that the refrigerant said herein separately referred to cannot
It is flowed into cooling bath 1 from annular groove 3 by the top surface of the top surface of target body outside portion 6 and first spine 21, the second spine 22.
The cooling side 2 in target body outside portion 6 and target portion 5 by interconnecting piece connect so as to target body outside portion 6, target portion 5
Cooling side 2 limits the annular groove 3 jointly.At this point, as shown in figure 3, annular groove 3 by upside cover board 7, downside connection
The cooling side 2 in the target portion 5 in portion, the target body outside portion 6 in outside and centre is collectively formed.Here upper and lower wait indicates orientation
Statement is for figure, in order to describe the relative position relation between each component.In other cases, such as by target body it runs
It puts upside down and sets, cover board 7 can be in downside, and interconnecting piece can be in upside.
In the present embodiment, the interconnecting piece include by near target portion 5 first end fluid inlet 8 and by near target portion 5
The fluid outlet 9 of the second end opposite with first end.Such as the refrigerant of water enters annular groove 3 from fluid inlet 8, it can with reference to Fig. 2
To expect, due to the top surface of target body outside portion 6 and the top surface of first spine 21, the second spine 22 be generally aligned in the same plane and with
Cover board 7 contacts, thus water is flowed along the arrow direction of Fig. 2, and a part of water flows into cooling bath 1, shown in the arrow along Fig. 3, from
Fluid outlet 9 flows out；A part of water is flowed along the left side of annular groove 3, passes through the left side of annular groove 3, is flowed out from fluid outlet 9；
Also a part of water passes through the right side of annular groove 3 along the right side flow of annular groove 3, is flowed out from fluid outlet 9.In the present embodiment,
Due to the setting of the first spine 21 and the second spine 22, refrigerant is divided into three strands, respectively flows through cooling duct；Also, the first ridge
Portion 21 and the second spine 22 may be used as cooling fin；Simultaneously as fluid is divided into multiply, the flow velocity of fluid is increased, thus
Improve the cooling effect of refrigerant.In the present embodiment, refrigerant is in direct contact second face in target portion 5 or is back, target portion 5
First face avoids target portion 5 since a large amount of heat that the bombardment of high-power electron beam generates is delivered to the refrigerant in cooling duct
Temperature rapid raising.The cooling side 2 in target portion 5 can be integrated with target portion 5, thus the heat in target portion 5 can be promptly
The cooling side 2 in target portion 5 is passed to, cooling side 2 is in direct contact with refrigerant, thus target portion 5 is further given to improve cooling support.
In another embodiment of the utility model, second face in target portion 5 also sets up third spine, even the 4th spine,
Further provide for the thermal component contacted with refrigerant.It the top surface of the spine of third spine or more can not be with the first spine 21
Top surface is in same plane.Multiple spines can enhance the heat sinking function of the spine of similar cooling fin.
In one embodiment, the top of the top surface of the base portion of third spine or more and the first spine 21 and the second spine 22
Face is generally aligned in the same plane, at this point, cooling bath 1 is divided into multiple cooling baths 1, not only multiple spines can improve heat dissipation effect, by
Reduce (being occupied by multiple spines) in the cross-sectional area of cooling bath 1, thus in the case of identical cold medium flux, the flow velocity of refrigerant
Increase, in the case that refrigerant is further increased with ridges contact area namely the mediate contact in refrigerant and target portion 5 increases, cooling
Effect is greatly improved.At this point, target portion 5 is made of the rapid biography of heat particularly important, copper can generate target portion 5 Heat Conduction Material copper
It is handed to its back side (the second face), the cooling side 2 in target portion 5 can also be passed to.
In one embodiment, gold is set on 5 surface of target portion.Such as layer gold 4 is arranged in the surface in copper target portion 5, obtains in this way
Composition target portion 5, this is favourable, and composition target portion 5 may insure that the high-power electron beam in identical energy obtains higher dosage production
The X-ray of volume.For example, the part of the generation X-ray in target portion 5, which for example can be the gold 4 of 1mm thickness, is covered in the nothing of 4mm thickness
The composition target formed on oxygen copper, the composition target can provide larger dosage yield, and length 80mm, which, which can coordinate, sweeps
The X-ray that magnet generates strip is retouched, different X-ray shape requirements are met.
In the present embodiment, the cooling side 2 in target portion 5 limits cooling 2 inner space of side, when high-power electron beam bombards target
When portion 5, target portion 5 generates X-ray and is propagated in cooling 2 inner space of side, and a part of high energy electron forms anti-Hong electricity
Son is reflect off target portion 5.When high energy electron book bombardment target portion 5 are shown in FIG. 5, the distribution scenario of anti-Hong electronics.
In Fig. 5, θ 1 is 15 °, and θ 2 is 25 °, and instead Hong region of the electronics at 10 °~25 ° and more than 25 ° has accounted for 90%, more than 25 °
Instead Hong electronics in region is absorbed by the cooling side 2 in target portion 5.The cooling side 2 in target portion 5, which absorbs instead Hong electrons, leads to temperature
It increases, is in direct contact since cooling side 2 constitutes the side wall of annular groove 3 and with refrigerant, thus the refrigerant in annular groove 3 can be fast
Speed belt walks the heat of cooling side 2, and the temperature of cooling side 2 can be effectively controlled.The thickness of the cooling side 2 in target portion 5 can
To be, for example, 7mm, 7.5mm or 8mm etc., effectively stop portions electronics instead can be banged, can simultaneously be effectively take away the production of target portion 5
Raw heat.
In one embodiment of the utility model, the thickness of the outside portion of target body can be such as 4mm, the thickness of cover board 7
Degree can be, for example, 1.5mm, and cover board 7 can be stainless steel plate.Cover board 7 can play the role of fixed and seal target.
In one embodiment of the utility model, as shown in figure 5, X-ray conversion target further includes channel support plate 13, lead to
Road support plate 13 limits the X-ray exit channel that target portion 5 generates.Channel support plate 13 can connect the extension of target body outside portion 6.It is logical
Road support plate 13 can be that stainless steel plate is formed.Channel support plate 13 can prevent X-ray from scattering, and can also prevent part is anti-from banging
Electron scattering causes personal damage to outside.Due to instead banging the bombardment of electronics, 13 temperature of channel support plate can increase, in this practicality
In novel one embodiment, X-ray conversion target further includes support plate cooling fin 14, and the support plate cooling fin 14 is arranged in institute
The outside for stating channel support plate 13 is used for the heat dissipation of channel support plate 13.In one embodiment, channel support plate 13 and its outer
The support plate cooling fin 14 in portion is dimensioned to covering 10 °~25 ° regions as shown in Figure 5.Support plate cooling fin 14
It is formed by copper coin.
In actual use, when high-power electron beam bombards target portion 5, refrigerant, example are injected by fluid inlet 8
Such as water, refrigerant is discharged from fluid outlet 9.The temperature in target portion 5 obtains good control.The injection rate of refrigerant can be according to high energy electricity
The energy of the philosophical works determines.
Although some embodiments of this totality inventional idea have been shown and have illustrated, those of ordinary skill in the art will manage
Solution can make a change these embodiments, this practicality is new in the case of the principle and spirit without departing substantially from this totality inventional idea
The range of type is limited with claim and their equivalent.
Claims (16)
1. a kind of X-ray conversion target, including target body and target portion, target portion is arranged inside target body, and target portion has the first face, described the
It is configured to generate X-ray on one side；
Wherein, X-ray conversion target further includes cooling duct, and the side wall of the cooling duct is at least partly by a part of structure in target portion
At.
2. X-ray conversion target according to claim 1, wherein the cooling duct includes positioned at second face in target portion
Cooling bath, second face and first face be target portion back to two faces；
The cooling bath by it is being oppositely arranged, respectively along the edge in second face in target portion extend the first spine and the second spine with
Second face limits jointly.
3. X-ray conversion target according to claim 2, wherein the cooling duct includes the ring positioned at the side in target portion
Shape slot.
4. X-ray conversion target according to claim 3 further includes the cooling side positioned at the side in target portion, the cooling
Side limits cooling side inner space, and the X-ray that target portion generates is propagated in cooling side inner space.
5. X-ray conversion target according to claim 4, wherein the target body includes target body outside portion, on the outside of the target body
Portion limits the inner space of the target body；Wherein, the cooling side in the target body outside portion and the target portion limits the annular
Slot.
6. X-ray conversion target according to claim 5, wherein the cooling side in target body outside portion and target portion passes through connection
Portion's connection to limit the annular groove jointly with the cooling side of target body outside portion, target portion, also, the interconnecting piece includes leaning on
The fluid outlet of the fluid inlet of the first end near target portion and the second end opposite with first end by near target portion.
7. X-ray conversion target according to claim 6, wherein the top surface of target body outside portion and first spine, second
The top surface of spine is generally aligned in the same plane.
8. X-ray conversion target according to claim 7 further includes cover board, the cover board is arranged in the top of target body outside portion
Face and first spine, the second spine top surface on.
9. X-ray conversion target according to claim 1, wherein the target portion includes copper.
10. X-ray conversion target according to claim 9, wherein the target portion includes the gold positioned at copper surface.
11. X-ray conversion target according to claim 1, further includes channel support plate, channel support plate limits target portion and generates
X-ray exit channel.
12. X-ray conversion target according to claim 5 further includes channel support plate, the channel support plate limits target portion
The X-ray exit channel of generation；Also, channel support plate connects target body outside portion and extends.
13. X-ray conversion target according to claim 11 or 12 further includes support plate cooling fin, the support plate heat dissipation
Piece is arranged in heat dissipation of the outside for channel support plate of the channel support plate.
14. X-ray conversion target according to claim 4, wherein the cooling side of the side in target portion and first ridge
Portion, the second spine are integral structures.
15. X-ray conversion target according to claim 5, wherein the cooling side of the side in target portion, first spine,
Second spine and target body outside portion are integral structures.
16. X-ray conversion target according to claim 2, wherein relative to the second face, the first spine and the second spine have
Thickness more than 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210408.7U CN207611738U (en) | 2017-09-19 | 2017-09-19 | X-ray conversion target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210408.7U CN207611738U (en) | 2017-09-19 | 2017-09-19 | X-ray conversion target |
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| Publication Number | Publication Date |
|---|---|
| CN207611738U true CN207611738U (en) | 2018-07-13 |
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ID=62793867
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721210408.7U Active CN207611738U (en) | 2017-09-19 | 2017-09-19 | X-ray conversion target |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546090A (en) * | 2017-09-19 | 2018-01-05 | 同方威视技术股份有限公司 | X-ray conversion target |
-
2017
- 2017-09-19 CN CN201721210408.7U patent/CN207611738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546090A (en) * | 2017-09-19 | 2018-01-05 | 同方威视技术股份有限公司 | X-ray conversion target |
| CN107546090B (en) * | 2017-09-19 | 2024-04-05 | 同方威视技术股份有限公司 | X-ray conversion target |
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