CN110448325A - A kind of PET system air-cooled radiating device - Google Patents
A kind of PET system air-cooled radiating device Download PDFInfo
- Publication number
- CN110448325A CN110448325A CN201910821210.XA CN201910821210A CN110448325A CN 110448325 A CN110448325 A CN 110448325A CN 201910821210 A CN201910821210 A CN 201910821210A CN 110448325 A CN110448325 A CN 110448325A
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- air
- detector
- air inlet
- intake passage
- pet system
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- 238000001816 cooling Methods 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims description 9
- 239000002516 radical scavenger Substances 0.000 claims description 5
- 239000003570 air Substances 0.000 description 185
- 238000010586 diagram Methods 0.000 description 9
- 239000000306 component Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 239000008358 core component Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/037—Emission tomography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
Abstract
The invention discloses a kind of PET system air-cooled radiating devices, PET system includes scan ring and the installation pedestal that is mounted in scan ring, several detectors are installed in installation pedestal and form detector rings, air-cooled radiating device includes the air intake passage and air-out passage for being located at scan ring two sides, several air inlets one are opened up on air intake passage, air inlet one is connected with air-cooling apparatus by intake stack, the inside of air intake passage sets the inside air intake passage communicated with air inlet one, what inside air intake passage and detector end face fitted opens up several air outlets one on one side, air-intake device is set in detector, the both ends of detector set air inlet two and air outlet two respectively, air inlet two is communicated with inside air intake passage, air outlet two is communicated with air-out passage, air exhausting device is set at the top of air-out passage.Cooling air of the present invention can carry out cooling to detector by set runner, and structure is simple, and radiating efficiency is high and internal temperature is uniform.
Description
Technical field
The present invention relates to medical imaging device technical fields, are more particularly to a kind of PET system air-cooled radiating device.
Background technique
PET system detector is distributed on domain circumference, heating power consumption dispersion, after cover upper casing, inner air flow field compared with
For confusion, cool ambient air cannot be directed to detector air inlet well, the hot wind that detector air outlet comes out can not
It is so effective that be discharged to outside outer cover, detector temperature can be made higher, influence system performance indexes and picture quality.CT simultaneously
Operation also influences whether the heat dissipation of PET system.In the patent document of Publication No. CN103860187B, CN105704982B,
It discloses and arranges a centrifugal fan and an air-cooler in PET bottom of the frame, centrifugal fan is by outside air (room temperature)
The ancillary electronics plate supplied in peripheral air duct after sucking radiates, and outer cover is discharged in the hot-air after the heating of electronics plate；
Air-cooler is set between the air intake passage and return air channel in inner cavity air duct, and it is logical that the low temperature cold air that air-cooler comes out enters air inlet
Road, after detector core component heat dissipation in the air duct of inner cavity, into return air channel, the hot wind in return air channel enter air-cooler into
It is re-fed into air intake passage after row is cooling, forms circulation.But the design in peripheral air duct and inner cavity air duct, will lead to confession in this scheme tool
Should to the cooling air temperature or flow of detector module each on ring, there are larger differences, influence the temperature of each detector module
Uniformity, to influence overall performance；What air-cooler extracted is the air heated by detector core component, possible temperature
Can be higher than the room temperature outside outer cover, it is high-efficient without directly extracting outside air.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of PET system air-cooled radiating device, cooling air can be by
Set runner carries out cooling to detector, and radiating efficiency is high and internal temperature is uniform.
To achieve the above object, the present invention provides the following technical scheme that a kind of PET system air-cooled radiating device, described
PET system includes scan ring and the installation pedestal that is mounted in the scan ring, is equipped with several detections in the installation pedestal
Device forms detector rings, and the air-cooled radiating device includes that the air intake passage for being located at the scan ring two sides and outlet air are led to
Road, several air inlets one are offered on the air intake passage, and the air inlet one is connected with the cooling dress of air by intake stack
Set, the inside of the air intake passage is equipped with the inside air intake passage communicated with the air inlet one, the inside air intake passage with
What the detector end face fitted offers several air outlets one on one side, is equipped with air-intake device, the spy in the detector
The both ends for surveying device are respectively equipped with air inlet two and air outlet two, and the air inlet two is communicated with the inside air intake passage, described
Air outlet two is communicated with the air-out passage, and the top of the air-out passage is equipped with air exhausting device.
Working principle, air-cooling apparatus suck air at room temperature from machine exterior, are that air intake passage is defeated by air inlet one
Cryogenic air is sent, Cryogenic air first choice meets inside air intake passage, Cryogenic air is assigned to each detection by air outlet one
Device air inlet two.Cryogenic air is sucked detector heat dissipation cavity by air-intake device built in detector, is carried out to each component of detector scattered
Heat drop temperature, after detector heat dissipation cavity, temperature rises Cryogenic air, enters air-out passage from the outflow of detector air outlet two,
It is discharged in machine exterior indoor environment by the air exhausting device on air-out passage top.Cooling air of the present invention can be by set runner
Cooling is carried out to detector, radiating efficiency is high and internal temperature is uniform.
Further, the air inlet one is set as two, and the intake stack includes connecting with the air-cooling apparatus
Air inlet general pipeline, winding pipe is respectively connected at each air inlet one, the winding pipe connects with the air inlet general pipeline
It connects.It is relatively uniform for the cooling air quantity that is assigned to the detector of different location on entire scan ring ring, it at least need to be logical in air inlet
Air inlet one at two is set on the wind scooper in road, and two one branch of air inlet symmetrical positions in air intake passage phase, air inlet is always
The Cryogenic air of pipe conveying is divided into two to two winding pipes.
Further, it is equipped with air quantity at the air inlet one and adjusts door, the air quantity adjusts door and adjusts door by motor control
It is opened and closed angle, to adjust the air force for entering inside air intake passage.
Further, the air-intake device is several fans being mounted on inside the detector, the number of fans setting
It is one to three, Cryogenic air is sucked detector internal heat dissipating chamber by detector built-in fans, is carried out to each component of detector scattered
Heat drop temperature.
Further, the fan arrangement has temperature closed loop feedback function, and sucking air quantity can be adjusted according to detector temperature
Size is, it can be achieved that domain detector temperature has preferable uniformity.
Further, the air inlet two includes positioned at the air inlet three of detector bottom and positioned at the detector top
Air inlet four, the air outlet two include the electricity positioned at the air outlet three of the detector bottom and positioned at the detector top
Son learns scavenger fan.The electronics plank that detector is internally located at top needs to radiate, the scintillation crystal and support plate of bottom
(SiPM) it is also required to radiate, therefore the radiating requirements of both corresponding air inlet and air outlet satisfaction is set.Detector top into
Air port four, built-in flat air blower facilitate and are discharged into air draft by the electronics scavenger fan at back after the sucking of Cryogenic air
In channel.
Further, the air outlet one is uniformly distributed along the circumferencial direction of the inside air intake passage, and with the detection
Air inlet three on device is arranged in a one-to-one correspondence.The temperature of the scintillation crystal and support plate (SiPM) of detector bottom has system performance
Very big influence, temperature can obtain preferable system performance at 20 DEG C or less, and the air outlet one of inside air intake passage is set as square
Shape is distributed uniformly and circumferentially and is arranged in a one-to-one correspondence with air inlet three, so that Cryogenic air meets crystal and support plate portion first
The cooling demand of position guarantees the temperature uniformity inside detector.
Further, the gap between one end of the air-out passage, the adjacent detector is equipped with the baffle of wedge shape,
Wedge shape baffle the gap between adjacent detector is blocked completely can prevent detector come out hot wind by detector it
Between wedge gap flow back into air inlet.
Further, the air exhausting device is several exhaust fans being mounted at the top of the air-out passage, air-out passage top
It arranges several exhaust fans, machine can be effectively discharged in the hot-air in air-out passage.
Further, the air-cooling apparatus is air-cooler, and air-cooler can select to be built in PET machine according to size
Outer cover in or it is external, air-cooler from machine exterior suck air at room temperature, by inner compressor, condenser, evaporator etc.
After functional component, a part is changed into Cryogenic air and is conveyed to air intake passage, and a part is changed into high temperature air discharge machine.
In conclusion cooling air of the present invention can carry out cooling to detector by set runner, intake can root
It is adjusted according to detector temperature, it can be achieved that domain detector temperature has preferable uniformity.Structure is simple, and radiating efficiency is high
And internal temperature is uniform.
Detailed description of the invention
Fig. 1 is that the present invention is whole by structural schematic diagram；
Fig. 2 is cold air air inlet structure schematic diagram in the present invention；
Fig. 3 is operation principle schematic diagram in the present invention；
Fig. 4 is air intake passage schematic diagram of internal structure in the present invention；
Fig. 5 is that air quantity adjusts door schematic diagram in the present invention；
Fig. 6 is air-out channel structure schematic diagram in the present invention；
Fig. 7 is to recycle schematic diagram in the present invention inside air-out passage；
Fig. 8 is PET system schematic diagram of internal structure of the present invention；
Fig. 9 is the rearview of Fig. 8；
Figure 10 is baffle structure schematic diagram in the present invention.
Mark explanation: 1, air-cooling apparatus；2, air intake passage；21, air inlet one；22, inside air intake passage；23, go out
Air port one；24, air quantity adjusts door；3, detector；31, air intake device；32, air inlet four；33, air inlet three；34, electronics is arranged
Air fan；35, air outlet three；36, baffle；4, air-out passage；5, air exhausting device；6, intake stack；61, general pipeline is entered the wind；62, into
Wind branch pipe.
Specific embodiment
A kind of specific embodiment of PET system air-cooled radiating device of the present invention is made referring to figs. 1 to Figure 10 further
Explanation.
A kind of PET system air-cooled radiating device, as shown in Figure 1, the PET system includes scan ring and is mounted on described sweep
The installation pedestal in ring is retouched, several detectors 3 are installed in the installation pedestal and form detector rings, the air-cooled radiating device
Air intake passage 2 and air-out passage 4 including being located at the scan ring two sides, offer on the air intake passage 2 it is several into
Air port 1, the air inlet 1 are connected with air-cooling apparatus 1 by intake stack 6, and the inside of the air intake passage 2 is set
There are the inside air intake passage 22 communicated with the air inlet 1, the inside air intake passage 22 and the 3 end face phase of detector
Fitting offers several air outlets 1 on one side, and air-intake device, the both ends point of the detector 3 are equipped in the detector 3
Not She You air inlet two and air outlet two, the air inlet two communicates with the inside air intake passage 22, the air outlet two with
The air-out passage 4 communicates, and the top of the air-out passage 4 is equipped with air exhausting device 5.
Working principle, as shown in Figure 2 and Figure 3, air-cooling apparatus 1 suck air at room temperature from machine exterior, pass through air inlet
One 21 be 2 transporting low temperature air of air intake passage, and Cryogenic air first choice meets inside air intake passage 22, will be low by air outlet 1
Warm air is assigned to each 3 air inlet two of detector.Air-intake device built in detector 3 radiates Cryogenic air sucking detector 3
Chamber carries out radiating and cooling to each component of detector 3, and Cryogenic air is after 3 heat dissipation cavity of detector, and temperature rises, from detector 3
The outflow of air outlet two enters air-out passage 4, is discharged in machine exterior indoor environment by the air exhausting device 5 on 4 top of air-out passage.
Cooling air of the present invention can carry out cooling to detector 3 by set runner, and radiating efficiency is high and internal temperature is uniform.
As shown in figure 4, the air inlet 1 is set as two, the intake stack 6 includes and the cooling dress of the air
The air inlet general pipeline 61 of 1 connection is set, winding pipe winding pipe 62, the air inlet branch are respectively connected at each air inlet 1
Pipe winding pipe 62 is connect with the air inlet general pipeline 61.To be assigned to the detector 3 of different location on entire scan ring ring
Cooling air quantity it is relatively uniform, air inlet 1 at two, two air inlets one need to be at least set on the wind scooper of air intake passage 2
21 branches symmetrical position in 2 phase of air intake passage, the Cryogenic air that air inlet general pipeline 61 is conveyed are divided into two to two air inlet branch
Pipe winding pipe 62.
The present embodiment is preferred, and air quantity is equipped at the air inlet 1 and adjusts door 24, air quantity adjusts such as Fig. 5 institute of door 24
Show, the air quantity adjusts door 24 and adjusts door opening and closing angle by motor control, to adjust the wind for entering inside air intake passage 22
Measure size.
The present embodiment is preferred, and the air-intake device is several fans being mounted on inside the detector 3, the fan
Quantity is set as one to three, and Cryogenic air is sucked 3 internal heat dissipating chamber of detector by 3 built-in fans of detector, each to detector 3
Component carries out radiating and cooling.
The present embodiment is preferred, and the fan arrangement has temperature closed loop feedback function, can be adjusted and be inhaled according to 3 temperature of detector
Enter air volume, it can be achieved that 3 temperature of domain detector has preferable uniformity.
As shown in Figure 8, Figure 9, the air inlet two includes positioned at the air inlet 3 33 of 3 bottom of detector and positioned at the spy
The air inlet 4 32 on 3 top of device is surveyed, the air outlet two includes positioned at the air outlet 3 35 of 3 bottom of detector and positioned at institute
State the electronics scavenger fan 34 on 3 top of detector.The electronics plank that detector 3 is internally located at top needs to radiate, bottom
Scintillation crystal and support plate (SiPM) be also required to radiate, therefore corresponding air inlet is set and heat dissipation need that both air outlet meets
It asks.3 top air inlet 4 32 of detector, built-in flat air blower facilitate the electronics after the sucking of Cryogenic air by back
Scavenger fan 34 is learned to be discharged into air exhaust passage.
The present embodiment is preferred, and the air outlet 1 is uniformly distributed along the circumferencial direction of the inside air intake passage 22,
And it is arranged in a one-to-one correspondence with the air inlet 3 33 on the detector 3.The scintillation crystal of 3 bottom of detector and support plate (SiPM)
Temperature has a significant impact to system performance, and temperature can obtain preferable system performance, inside air intake passage 22 at 20 DEG C or less
Air outlet 1 be set as rectangle and be distributed uniformly and circumferentially and be arranged in a one-to-one correspondence with air inlet 3 33 so that low temperature is empty
Gas meets the cooling demand at crystal and support plate position first, guarantees the temperature uniformity inside detector 3.
As shown in figure 9, the gap between the adjacent detector 3 is equipped with wedge shape close to one end of the air-out passage 4
The shape of baffle 36, baffle 36 is as shown in Figure 10, and wedge-shaped baffle 36 blocks in the gap between adjacent detector 3 completely can
The hot wind for preventing detector 3 from coming out flows back into air inlet by the wedge gap between detector 3.
Referring to shown in Fig. 6, Fig. 7, the air exhausting device 5 is several exhaust fans for being mounted on 4 top of air-out passage, out
Machine can be effectively discharged in hot-air in air-out passage 4 by several exhaust fans of 4 top layout of wind channel.
The present embodiment is preferred, and the air-cooling apparatus 1 is air-cooler, built in air-cooler can be selected according to size
In in the outer cover of PET machine or external, air-cooler sucks air at room temperature from machine exterior, by inner compressor, condenser,
After the functional components such as evaporator, a part is changed into Cryogenic air and is conveyed to air intake passage 2, and a part is changed into high temperature air row
Machine out.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of PET system air-cooled radiating device, the PET system includes scan ring and the installation that is mounted in the scan ring
Pedestal is equipped with several detectors in the installation pedestal and forms detector rings, it is characterised in that: the air-cooled radiating device packet
The air intake passage and air-out passage for being located at the scan ring two sides are included, offers several air inlets on the air intake passage
One, the air inlet one is connected with air-cooling apparatus by intake stack, the inside of the air intake passage be equipped with it is described into
The inside air intake passage that air port one communicates, if the inside air intake passage offers on one side with what the detector end face fitted
Air port one is done, is equipped with air-intake device in the detector, the both ends of the detector are respectively equipped with air inlet two and air outlet
Two, the air inlet two is communicated with the inside air intake passage, and the air outlet two is communicated with the air-out passage, the outlet air
The top in channel is equipped with air exhausting device.
2. PET system air-cooled radiating device according to claim 1, it is characterised in that: the air inlet one is set as two
A, the intake stack includes the air inlet general pipeline connecting with the air-cooling apparatus, is all connected at each air inlet one
There is winding pipe, the winding pipe is connect with the air inlet general pipeline.
3. PET system air-cooled radiating device according to claim 2, it is characterised in that: be equipped with wind at the air inlet one
Amount adjusts door, and the air quantity adjusts door and adjusts door opening and closing angle by motor control.
4. PET system air-cooled radiating device according to claim 1, it is characterised in that: the air-intake device is to be mounted on
Several fans inside the detector, the number of fans are set as one to three.
5. PET system air-cooled radiating device according to claim 4, it is characterised in that: the fan arrangement has temperature to close
Ring feedback function can adjust sucking air volume according to detector temperature.
6. PET system air-cooled radiating device according to claim 1, it is characterised in that: the air inlet two includes being located at
The air inlet three of detector bottom and air inlet four positioned at the detector top, the air outlet two include being located at the spy
Survey the air outlet three of device bottom and the electronics scavenger fan positioned at the detector top.
7. PET system air-cooled radiating device according to claim 6, it is characterised in that: the air outlet one is along described interior
The circumferencial direction of side air intake passage is uniformly distributed, and is arranged in a one-to-one correspondence with the air inlet three on the detector.
8. PET system air-cooled radiating device according to claim 1, it is characterised in that: close to the one of the air-out passage
It holds, the gap between the adjacent detector is equipped with the baffle of wedge shape.
9. PET system air-cooled radiating device described in -8 any claims according to claim 1, it is characterised in that: the row
Wind apparatus is several exhaust fans being mounted at the top of the air-out passage.
10. PET system air-cooled radiating device described in -8 any claims according to claim 1, it is characterised in that: the sky
Air cooling device is air-cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821210.XA CN110448325A (en) | 2019-09-02 | 2019-09-02 | A kind of PET system air-cooled radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821210.XA CN110448325A (en) | 2019-09-02 | 2019-09-02 | A kind of PET system air-cooled radiating device |
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| Publication Number | Publication Date |
|---|---|
| CN110448325A true CN110448325A (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910821210.XA Pending CN110448325A (en) | 2019-09-02 | 2019-09-02 | A kind of PET system air-cooled radiating device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172604A (en) * | 2020-03-02 | 2020-05-19 | 吴海月 | Circular blowing fan of chemical fiber equipment |
| CN111616798A (en) * | 2020-06-22 | 2020-09-04 | 廖国庆 | Photon skin-tendering beauty instrument |
| CN111631812A (en) * | 2020-06-22 | 2020-09-08 | 廖国庆 | Photon unhairing instrument |
| CN114879774A (en) * | 2022-03-31 | 2022-08-09 | 合肥卓科智能技术有限公司 | Circulation constant temperature system |
| CN116360522A (en) * | 2023-03-29 | 2023-06-30 | 赛诺威盛医疗科技(扬州)有限公司 | Temperature adjusting device and temperature adjusting method for multi-row detector |
| CN116507076A (en) * | 2022-11-29 | 2023-07-28 | 赛诺威盛科技(北京)股份有限公司 | Detector CT guide rail structure and CT scanning equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111172604A (en) * | 2020-03-02 | 2020-05-19 | 吴海月 | Circular blowing fan of chemical fiber equipment |
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