CN108392218A - A kind of air cooling equipment of PET device - Google Patents
A kind of air cooling equipment of PET device Download PDFInfo
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- CN108392218A CN108392218A CN201810328198.4A CN201810328198A CN108392218A CN 108392218 A CN108392218 A CN 108392218A CN 201810328198 A CN201810328198 A CN 201810328198A CN 108392218 A CN108392218 A CN 108392218A
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- 238000001816 cooling Methods 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 235000001727 glucose Nutrition 0.000 description 1
- 150000002304 glucoses Chemical class 0.000 description 1
- 229930182851 human metabolite Natural products 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000006680 metabolic alteration Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/037—Emission tomography
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- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of air cooling equipments of PET device, including be set in detector rings air intake assembly, in at least air intake passage formed in detector, the wind chamber component being fixed on installation backboard and the air draft component that is connected to wind chamber component；Air intake assembly is respectively communicated with outer low temperature gas, each air intake passage, and cryogenic gas is driven to enter in air intake passage；Whole air intake passages are connected to setting with wind chamber component and are entered in wind chamber component after cryogenic gas passes through detector to carry out heat exchange via air intake passage；Wind chamber component is located at the side backwards of detector rings mounting surface, covers whole air intake passages, and cooperatively form semi-open environment with installation backboard；Air draft component is connected to wind chamber component and outside respectively, to drive the gas in wind chamber component Jing Guo heat exchange to be expelled to outside PET device.Device driving gas flows in the space of restriction along pre-determined route, can effectively realize heat dissipation.
Description
Technical field
The present invention relates to medical instruments fields, are related to the radiator structure of a kind of PET device, especially PET device.
Background technology
PET scanner plays huge effect in medical diagnosis now.Positron emission fault
Scanner detects lesion to imaging using human metabolites such as positron radionuclide labelled glucoses as developer, by detector
The intake of agent reflects its metabolic alterations, to be the clinical biological metabolism information for providing disease.Its image-forming principle is：Positive electron
A positive electron emitting is combined with the free electron in tissue when nucleic decays buries in oblivion, be converted into both direction on the contrary,
Energy is respectively the γ photons of 511KeV.When opposite direction is arranged in the scintillation detector on emitter both sides while receiving this pair of γ photon
When, determine that the nucleic is located on the line (being known as meeting line, LOR) of two probes, this detection mode is exactly to meet spy
It surveys.Pass through the sensing point progress image weight for the carrying spatial positional information that the algorithm for reconstructing of computer detects all directions
It builds, obtains the distribution in nucleic space in vivo, just generate the image with positron radionuclide information.
In order to obtain steady and audible scan image, detector and electronics in PET scanner need
It is operated under a suitable and stable temperature environment.Temperature raising can dramatically increase system noise, temperature fluctuation can cause be
System drift, to reduce picture quality.Therefore cooling system is the critical component for ensureing PET scanner quality
One of.
Invention content
The invention discloses a kind of air cooling equipment of PET device, when work, gas is limiting under the driving of air cooling equipment
It is flowed along pre-determined route in fixed space, can effectively realize heat dissipation.
In order to achieve the above objectives, solution of the invention is：
The present invention provides a kind of air cooling equipment of PET device, the PET device includes shell, is set to the shell
Interior multiple detectors and installation backboard, the multiple detector are fixed on the installation backboard, and are set around the PET
Standby scan channel is arranged to form detector rings, and the air cooling equipment includes the air inlet group being set in the detector rings
Part, in at least air intake passage formed in the detector, be fixed on it is described installation backboard on wind chamber component and with institute
State the air draft component of wind chamber component connection；The air intake assembly is respectively communicated with outer low temperature gas, each air intake passage, and drives
The cryogenic gas enters in the air intake passage；All the air intake passage is connected to setting with the wind chamber component, described low
After wet body passes through the detector to carry out heat exchange via the air intake passage, enter in the wind chamber component；The wind
Chamber component be located at the detector rings mounting surface backwards to side, the whole air intake passages of covering, and with the installation backboard
Cooperatively form semi-open environment；The air draft component is connected to the wind chamber component and outside respectively, to drive the wind chamber
Gas in component Jing Guo heat exchange is expelled to outside PET device.
As a preferred embodiment, the air intake assembly is fan component comprising multiple fans and for described in fixed
The mounting bracket of fan, the mounting bracket are fixed on the probe body, and the fan is via the mounting bracket and the spy
It surveys device ring to be fixedly linked, and multiple fan coverings all air intake passage settings.
Further, the air intake assembly includes multiple mounting brackets, and the mounting bracket is sector structure, each mounting bracket
It is individually fixed on several adjacent detector shells, and is also arranged in a ring around the scan channel of the PET device, Mei Gean
It shelves equipped with multiple installation stations for the installation fan.
Further, upper layer and lower layer fan is arranged in parallel in the air intake assembly.
As a preferred embodiment, the air intake assembly further includes monitoring modular, the monitoring modular and whole fans
Communication connection, to judge whether the fan is in normal operating conditions according to the status feedback signal of the fan.
As a preferred embodiment, institute's air intake passage includes an air inlet and an air outlet and a notch, the air inlet
It is formed in trepanning on the opposite side body of the detector with air outlet, notch shape on the installation backboard in corresponding position
At to provide channel into air-inlet chamber component via detector for the cryogenic gas.
Preferably, the air intake passage further includes a cooling airway, the cooling airway be located at the air inlet with it is described
Between air outlet, formed by the cooling fin being set on the detector circuit plate.
As a preferred embodiment, the wind chamber component be toroidal cavity structure, including cavity ontology, air exhaust passage and
At least connecting plate being arranged on cavity ontology；The cavity ontology is the toroidal cavity of a side opening, logical around scanning
Road is arranged, the whole air intake passages of the open side of cavity ontology covering, and the cavity ontology and the installation backboard,
The air exhaust passage cooperatively forms half open environment；Described wind output channel one end is connected to the cavity ontology, the air draft
The other end in channel is connected to setting with the air draft component and outside, and channel is provided to flow out the air cooling equipment for gas；
The connecting plate is set to the outer edge of the cavity ontology, for the cavity ontology to be fixed on the installation backboard
On.
Further, fixed air draft component inside the wind output channel, passes through heat exchange to drive in the wind chamber component
Gas be expelled to outside.
Preferably, the quantity of the air draft component is corresponding to the wind output channel is arranged.
Further, the cavity ontology includes at least two chambers, and the chamber splicing forms the cavity ontology,
It is not connected to each other between adjacent chamber, and each chamber is connected to setting with an air draft component.
Or the cavity ontology is integral structure.
Preferably, the air draft component is exhaust fan.
The air cooling equipment of PET device shown in the present invention passes through matching for air intake passage, wind chamber component and installation backboard
It closes, entire radiation processes is limited in certain space, to separate the other equipments such as detector thermal environment and CT, avoided
Mutual heat affecting between PET device and other working equipments；Air intake passage provides the access way of cryogenic gas for detector,
Wind chamber component is that the high-temperature gas by heat exchange provides, stand in channel is set with providing pre-determined route for gas flowing in PET
When standby work, gas flows in the space of restriction along pre-determined route under the driving of air intake assembly and air draft component, to
Effectively realize heat dissipation.
Description of the drawings
Fig. 1 is one embodiment of air cooling equipment mounting structure schematic diagram in PET racks；
Fig. 2 is the rearview of embodiment illustrated in fig. 1；
Fig. 3 is the side view of embodiment illustrated in fig. 1；
Fig. 4 is the vertical view of embodiment illustrated in fig. 1.
Fig. 5 is the structural schematic diagram of air intake passage in embodiment illustrated in fig. 1；
Fig. 6 is the structural schematic diagram of air intake assembly in embodiment illustrated in fig. 1；
Fig. 7 is the rearview of air intake assembly shown in Fig. 6；
Fig. 8 is the structural schematic diagram of embodiment illustrated in fig. 1 apoplexy chamber component.
Specific implementation mode
PET device generally comprises shell, and rack, the installation backboard being fixed on the rack inside the shell is arranged, and installs backboard
Multiple detectors 50 are arranged in the upper scan channel around PET device, and above-mentioned detector 50 forms detector rings.PET device works
When, detector 50 and associated component can send out a large amount of heat, and the invention discloses a kind of air cooling equipment of PET device, peaces
Mounted in PET device enclosure, for the heat dissipation for detector and related work component.
As shown in Figures 1 to 4, air cooling equipment includes the air intake assembly 10 being set in detector rings, in shape in detector
At an at least air intake passage 20, the wind chamber component 30 that is fixed on installation backboard and the air draft group that is connected to wind chamber component
Part 40.Air intake assembly 10 is respectively communicated with setting with outer low temperature gas, each air intake passage 20, and outer low temperature gas is driven to enter
Into each air intake passage 20；Each air intake passage 20 is connected to setting with wind chamber component 30, and cryogenic gas is worn via each air intake passage 20
Cross detector 50 carry out heat exchange after, enter in wind chamber component 30；Above-mentioned wind chamber component 30 is located at detector rings mounting surface
(it is located on the face backwards of detection ring mounting surface) backwards to side, covers whole air intake passages 20, and coordinate with installation backboard 60
Semi-open environment is formed, it is above-mentioned to enter to wind chamber component 30 and installation after the cryogenic gas of heat exchange passes through air intake passage 20
Backboard 60 is formed by semi-open environment；Air draft component 40 is connected to wind chamber component 30 and outside respectively, to drive wind chamber
Gas in component 30 Jing Guo heat exchange is expelled to outside PET device (external if the equipment such as PET device and CT are applied in combination
Refer to the outside of equipment entirety).
Above-mentioned air cooling equipment will entirely be radiated by air intake passage 20, wind chamber component 30 and the cooperation for installing backboard 60
Process is limited in certain space, to separate the other equipments such as 50 thermal environment of detector and CT, avoids PET device and its
Mutual heat affecting between his working equipment；Air intake passage 20 is the access way that detector 50 provides cryogenic gas, wind chamber group
Part 30 be high-temperature gas by heat exchange provide, stand in channel, to provide pre-determined route for gas flowing, in PET device work
When making, gas flows in the space of restriction along pre-determined route under the driving of air intake assembly 10 and air draft component 40, to
Effectively realize heat dissipation.Specific work process is as described below：After outer low temperature gas enters to PET device inside, in air intake assembly
It is reached under 10 driving in the air intake passage 20 inside each detector 50, to carry out heat exchange, the gas after heat exchange
Under the driving of air intake assembly 10 and air draft component 40, further to wind chamber component 30 with installation backboard 60 formed it is semi-open
In environment, is then driven via air draft component 40, be expelled to outside PET device, repeat the above process to realize entire PET
The cooling work of equipment.
It elaborates to the specific implementation mode of the present invention below in conjunction with specific attached drawing, elaborates have in the following description
Body details is in order to fully understanding the present invention.But the present invention can be come in fact with a variety of different from other modes described here
It applies.Those skilled in the art can do similar popularization without violating the connotation of the present invention, and therefore, the present invention is not by following
The limitation of disclosed specific implementation mode.
It is carried as shown in figure 5, the main function of air intake passage 20 is to enter in each detector 50 for outer low temperature air
For channel.In the present embodiment, as a preferred embodiment, an air intake passage 20 is respectively formed in each detector 50, each air inlet is logical
Road 20 includes an air inlet and an air outlet and a notch, and air inlet is with air outlet in detector 50 with respect to trepanning on side body
It is formed, notch is formed in corresponding position on installation backboard 60, and channel is provided to enter detector 50 for cryogenic gas.Meanwhile
In the present embodiment, each air intake passage 20 further includes a cooling airway, and cooling airway is between air inlet and air outlet, by setting
The formation of cooling fin 21 being placed on 50 circuit board of detector, to increase the radiating surface of detector 50, makes detector 50 send out
Heat more effectively conducts.
As shown in Figure 6 and Figure 7, the main function of air intake assembly 10 is that outer low temperature gas is driven to enter to detector
In the air intake passage 20 of 50, especially detector 50, to realize heat exchange, in the present embodiment, air intake assembly 10 is fan component,
It includes multiple fans 1111 and the mounting bracket 1212 for fan attachment 11, and fan 11 is via mounting bracket 12 and detector rings
It is fixedly linked, and multiple fans 11 cover the air inlet setting of whole air intake passages 20, to drive cryogenic gas to enter air inlet
In channel 20.
For the ease of the processing and installation of air intake assembly 10, air intake assembly 10 is separate structure comprising multiple mounting brackets
12, multiple mounting brackets 12 are individually fixed on 50 shell of detector, and are arranged in a ring around the scan channel of PET device, often
A mounting bracket 12 is equipped with multiple installation stations for installing several groups fan 11, and multiple fans 11 in each mounting bracket 12 are distinguished
Cover the setting of several air intake passages 20 (air inlet).
As a preferred embodiment, mounting bracket 12 is sector structure, is respectively provided with the erector of fan attachment 11 thereon
Position, the mounting bracket 12 of each sector structure are separately fixed on 50 shell of several groups detector, the fan 11 on one group of mounting bracket 12
Cover the air intake passage 20 on corresponding detector 50.Multiple mounting brackets 12 are spliced to form an annulus, and each station of installing is installed respectively
After fan 11, each fan 11 is covered each by 50 air inlet of different detectors, and multiple fans 11 are also around the scanning of PET device
Channel is arranged in a ring.
Further, in order to more effectively realize the heat dissipation of detector 50, upper layer and lower layer is set on each mounting bracket 12
Station is installed, for fixed upper layer and lower layer fan 11, i.e., fan component include inside and outside fan 11 enclose, corresponding above-mentioned wind
Fan 11 encloses, and two groups of air intake passages 20 up and down are respectively formed on each detector 50.
In the present embodiment, 11 monitoring module of fan is also set up, monitoring modular is communicated to connect with whole fans 11, with root
Judge whether the fan 11 is in normal operating conditions according to the status feedback signal of the fan 11.Wherein status feedback signal
Can be electric current or voltage signal, monitoring module can be the controller in 50 front-end electronics circuit of detector, such as MCU, FPGA
Deng controller is separately connected with each fan 11, judges its whether normal work with the voltage or current signal that are fed back according to fan 11
Make.
In addition to using said fans component, air intake assembly 10 is also air blower, realizes that driving extraneous air enters to detection
In device 50.
There are many methods may be implemented in addition, outer low temperature air enters in PET device, lattice are such as set in device housings
Grid etc..
As shown in figure 8, wind chamber component 30 is toroidal cavity structure, including wind output channel 31, cavity ontology 32 and setting
An at least connecting plate 33 on cavity ontology.Cavity ontology is the toroidal cavity of a side opening, is arranged around scan channel,
The air outlet of the open side covering whole air intake passage 20 of cavity ontology 32, and backboard 60 is installed and cooperatively forms a semiclosed sky
Between；31 one end of wind output channel is connected to cavity ontology 32, the other end is connected to setting with outside, the outer low temperature gas by heat exchange
It after body enters to wind chamber component 30 via air intake passage 20, can directly be expelled to outside PET device, realize via wind output channel 31
The heat dissipation of detector 50；Connecting plate 33 is set to the outer edge of cavity ontology 32, and peace is fixed in the suspension of cavity ontology 32
It fills on backboard 60.
Cavity ontology 32 can be integral structure, can also be set as split structure according to demand.In order to be more advantageous to through
The discharge of heat exchange cryogenic gas is crossed, while can be by cavity sheet as a preferred embodiment convenient for the processing and installation of air-cooled component
Body 32 is set as split structure comprising at least two chambers 34, the splicing composition cavity of each chamber 34 ontology 32, adjacent chamber
It is not connected to each other between room, and each chamber is connected to setting at least one set of air draft component 40.
In diagram embodiment, cavity ontology 32 includes that even two groups of semi-circular chambers 34, the side opening of each chamber 34 are distinguished
It being connected to the air outlet of half air intake passage 20, two groups of air exhaust passages are arranged in corresponding two groups of semi-circular chambers 34, wind chamber component 30,
Each chamber 34 is connected to one of which air exhaust passage, and outer low temperature air enters a wherein chamber 34 by each air intake passage 20
Afterwards, it is being expelled to outside via corresponding air exhaust passage, certainly, it is also feasible that two groups of chambers 34, which share one group of air exhaust passage,.
Air draft component 40 is for driving the gas in wind chamber component 30 Jing Guo heat exchange to be expelled to outside PET device, this reality
It applies in example, air draft component 40 is exhaust fan, in addition, air draft component 40 or exhaust fan etc..Meanwhile to make full use of installation
Space, while ventilation efficiency is improved as possible, in the present embodiment, air draft component 40 is fixed on inside wind output channel 31.
As a preferred embodiment, the quantity setting corresponding to wind output channel 31 of air draft component 40.
This hair can be understood and used the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments,
Those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be in this hairs
Within bright protection domain.
Claims (10)
1. a kind of air cooling equipment of PET device, the PET device include shell, the multiple detectors being set in the shell
And installation backboard, the multiple detector are fixed on the installation backboard, and set around the scan channel of the PET device
It sets to form detector rings, it is characterised in that：The air cooling equipment include the air intake assembly being set in the detector rings, in
At least air intake passage that is formed in the detector, the wind chamber component being fixed on the installation backboard and with the wind
The air draft component of chamber component connection；
The air intake assembly is respectively communicated with outer low temperature gas, each air intake passage, and is driven described in the cryogenic gas entrance
In air intake passage；
All the air intake passage is connected to setting with the wind chamber component, and the cryogenic gas passes through institute via the air intake passage
After stating detector progress heat exchange, enter in the wind chamber component；
The wind chamber component be located at the detector rings mounting surface backwards to side, the whole air intake passages of covering, and with institute
It states installation backboard and cooperatively forms semi-open environment；
The air draft component is connected to the wind chamber component and outside respectively, passes through heat exchange in the wind chamber component to drive
Gas be expelled to outside PET device.
2. air cooling equipment according to claim 1, it is characterised in that：The air intake assembly is fan component comprising multiple
Fan and mounting bracket for fixing the fan, the mounting bracket are fixed on the probe body, the fan warp
It is fixedly linked by the mounting bracket and the detector rings, and multiple fan coverings all air intake passage settings.
3. air cooling equipment according to claim 2, it is characterised in that：The air intake assembly includes multiple mounting brackets, described
Mounting bracket is sector structure, and each mounting bracket is individually fixed on several adjacent detector shells, and is set around the PET
Standby scan channel is also arranged in a ring, and each mounting bracket is equipped with multiple installation stations for installing the fan.
4. air cooling equipment according to claim 2 or 3, it is characterised in that：Upper layer and lower layer is arranged in parallel in the air intake assembly
Fan.
5. air cooling equipment according to claim 2, it is characterised in that：The air intake assembly further includes monitoring modular, described
Monitoring modular is communicated to connect with whole fans, to judge whether the fan is located according to the status feedback signal of the fan
In normal operating conditions.
6. air cooling equipment according to claim 1, it is characterised in that：The air intake passage includes an air inlet and an outlet air
Mouthful and a notch, the air inlet and air outlet formed in trepanning on the opposite side body of the detector, the notch is in right
Position is answered to be formed on the installation backboard, to provide channel into air-inlet chamber component via detector for the cryogenic gas；
Preferably, the air intake passage further includes a cooling airway, and the cooling airway is located at the air inlet and the outlet air
Between mouthful, formed by the cooling fin being set on the detector circuit plate.
7. air cooling equipment according to claim 1, it is characterised in that：The wind chamber component is toroidal cavity structure, including
Cavity ontology, air exhaust passage and at least connecting plate being arranged on cavity ontology；
The cavity ontology is the toroidal cavity of a side opening, is arranged around scan channel, the open side of the cavity ontology
The whole air intake passages of covering, and the cavity ontology and the installation backboard, that the air exhaust passage cooperatively forms one is half-open
Put environment；
Described wind output channel one end is connected to the cavity ontology, the other end of the air exhaust passage and the air draft component and
Outside connection setting provides channel to flow out the air cooling equipment for gas；
The connecting plate is set to the outer edge of the cavity ontology, is carried on the back for the cavity ontology to be fixed on the installation
On plate.
8. air cooling equipment according to claim 7, it is characterised in that：Fixed air draft component inside the wind output channel, with
The gas in the wind chamber component Jing Guo heat exchange is driven to be expelled to outside；
Preferably, the quantity of the air draft component is corresponding to the wind output channel is arranged.
9. air cooling equipment according to claim 7, it is characterised in that：The cavity ontology includes at least two chambers, institute
State chamber splicing and form the cavity ontology, be not connected to each other between adjacent chamber, and each chamber with an air draft
Component connection setting；
Or the cavity ontology is integral structure.
10. air cooling equipment according to claim 1, it is characterised in that：The air draft component is exhaust fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810328198.4A CN108392218B (en) | 2018-04-13 | 2018-04-13 | Air cooling device of PET equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810328198.4A CN108392218B (en) | 2018-04-13 | 2018-04-13 | Air cooling device of PET equipment |
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| Publication Number | Publication Date |
|---|---|
| CN108392218A true CN108392218A (en) | 2018-08-14 |
| CN108392218B CN108392218B (en) | 2024-03-29 |
Family
ID=63099687
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810328198.4A Active CN108392218B (en) | 2018-04-13 | 2018-04-13 | Air cooling device of PET equipment |
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| CN110448325A (en) * | 2019-09-02 | 2019-11-15 | 明峰医疗系统股份有限公司 | A kind of PET system air-cooled radiating device |
| CN113038758A (en) * | 2021-03-17 | 2021-06-25 | 明峰医疗系统股份有限公司 | Air cooling heat dissipation device and air cooling system applying same |
| 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 |
| CN116507076B (en) * | 2022-11-29 | 2024-01-05 | 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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|---|---|
| CN108392218B (en) | 2024-03-29 |
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