CN106901772A - Cooling device and medical imaging devices - Google Patents
Cooling device and medical imaging devices Download PDFInfo
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- CN106901772A CN106901772A CN201710223571.5A CN201710223571A CN106901772A CN 106901772 A CN106901772 A CN 106901772A CN 201710223571 A CN201710223571 A CN 201710223571A CN 106901772 A CN106901772 A CN 106901772A
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- 238000001816 cooling Methods 0.000 title claims abstract description 187
- 238000002059 diagnostic imaging Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 261
- 239000012530 fluid Substances 0.000 claims abstract description 139
- 239000012809 cooling fluid Substances 0.000 claims abstract description 62
- 239000008358 core component Substances 0.000 description 14
- 230000004308 accommodation Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000012636 positron electron tomography Methods 0.000 description 5
- 230000006399 behavior Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000012831 peritoneal equilibrium test Methods 0.000 description 3
- 238000012877 positron emission topography Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000002603 single-photon emission computed tomography Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009206 nuclear medicine Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000012879 PET imaging Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002600 positron emission tomography Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
Classifications
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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
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
-
- 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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- 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)
- Nuclear Medicine (AREA)
Abstract
The present invention provides a kind of cooling device and medical imaging devices.The cooling device includes：Water cooling unit, for providing cooling fluid, the water cooling unit includes that first fluid entrance and first fluid are exported；Water knockout drum, including water knockout drum entrance and the outlet of some water knockout drums, the water knockout drum entrance are connected with first fluid outlet；Some first fluid pipelines, are connected with water knockout drum outlet；Water collector, including water collector outlet and some water collector entrances, the water collector entrance are connected with the first fluid pipeline；Air cooler, for the cooling fluid to be converted into cooling wind, the Air cooler includes that second fluid entrance and second fluid are exported；The second fluid entrance is connected with water collector outlet, and the second fluid outlet is connected with the first fluid entrance.It is to be capable of achieving to treat cooling device to carry out fluid cooling and wind-cooling heat dissipating using same circulating cooling fluid, improves the service efficiency of cooling device, reduces cooling cost.
Description
Technical field
The present invention relates to medical imaging device technical field, more particularly to cooling device and medical imaging devices.
Background technology
Nuclear medical imaging device is imaging device medically conventional at present, and difference can be included according to different CT technologies
The equipment of type, for example, single electron transmitting computer tomography (Single-Photon Emission Computed
Tomography, SPECT) equipment and positron emission computerized tomography (Positron Emission Tomography,
PET) equipment etc..Nuclear medical imaging device can be by the medicine containing radionuclide in subject distribution form image,
The image can reflect subject metabolism, function of organization and structural form.
In nuclear medical imaging device, the part of core is nuclear detector the most, and the part is used to detect introducing subject
The ray (such as gamma-rays) that interior radionuclide is sent, wherein nuclear detector overall performance by operating temperature influenceed compared with
Greatly, temperature of the detector in machine system space need to keep in balance unanimously, if deviation occur finally being set to nuclear medicine
Standby image quality has a significant impact.
Nuclear medicine detectors the more commonly used at present are broadly divided into common photomultiplier tube detectors
(Photomultiplier Tube, PMT) and silicon photomultiplier detector (Silicon Photomultipliers,
SiPM).Wherein SiPM semiconductor detectors are used as a kind of new semiconductor detector, its compact structure and noise higher
Than, the spatial resolution of PET device is substantially increased, its quick time resolution characteristics disclosure satisfy that TOF-PET (time of
Flight-TOF, the time flight) technical requirements.But SiPM semiconductor detectors to temperature and temperature change (temperature difference) extremely
Sensitivity, if temperature often rises 1 °, gain increases about 5-10%, so must be by certain design of Cooling System to SiPM half
Conductor detector carries out temperature control, SiPM semiconductor detector service behaviours is reached optimum state.
The content of the invention
The present invention provides a kind of cooling device and medical imaging devices.
A kind of first aspect according to embodiments of the present invention, there is provided cooling device, including：
Water cooling unit, for providing cooling fluid, the water cooling unit includes that first fluid entrance and first fluid are exported；
Water knockout drum, including water knockout drum entrance and the outlet of some water knockout drums, the water knockout drum entrance go out with the first fluid
Mouth is connected；
Some first fluid pipelines, are connected with water knockout drum outlet；
Water collector, including water collector outlet and some water collector entrances, the water collector entrance and the first fluid pipe
Road is connected；
Air cooler, for the cooling fluid to be converted into cooling wind, the Air cooler includes second fluid entrance and the
Two fluid issuings；The second fluid entrance is connected with water collector outlet, the second fluid outlet and described first
Fluid intake is connected.
Further, the water collector is sheathed on the outside of the water knockout drum, the water knockout drum entrance and the water knockout drum
Outlet is piercing in the water collector respectively.
Further, the water collector includes that the mutually fasten first main body and second of catchmenting is catchmented main body, described first
Main body of catchmenting and described second to be catchmented and be formed with accommodating cavity between main body；The water collector entrance is arranged at described first and catchments master
On body, the water collector outlet is arranged at described second and catchments in main body；
The water knockout drum includes a point water main body, and described point of water main body is embedded in the accommodating cavity, the water knockout drum entrance
It is arranged in described point of water main body with water knockout drum outlet.
Further, the cooling device also includes fluid coldplate, and the first fluid pipeline is arranged at the fluid
In coldplate.
Further, the cooling device also includes temperature sensor, keeps being electrically connected with the water cooling unit, for examining
The temperature of the cooling fluid surveyed in the first fluid pipeline, the water cooling unit is used for what is detected according to the temperature sensor
The temperature of the cooling fluid in water cooling unit described in temperature adjustment.
Further, the cooling device also includes flow controller, the first fluid pipeline is arranged at, for basis
The flow of the cooling fluid in first fluid pipeline described in the temperature adjustment that the temperature sensor is detected.
A kind of second aspect according to embodiments of the present invention, there is provided medical imaging devices, including scanning support, be installed in it is described
Some detectors of scanning support and cooling device as described above, the cooling device are cold for being carried out to the detector
But, the first fluid pipeline of the cooling device is arranged on the detector.
Further, the detector includes photoelectric detector and the electronics device being connected with the photoelectric detector
Part, the first fluid pipeline is arranged on the photoelectric detector, and the Air cooler is exported including cold wind, and the cold wind goes out
Mouth is set towards the electronic device.
Further, the scanning support is circular scanning support, some detectors along the scanning support circumference side
To being uniformly laid in the scanning support.
Further, the water knockout drum, the water collector and the Air cooler are assembled in the scanning support.
The cooling device of the embodiment of the present invention, cooling fluid is provided by water cooling unit, can either will be cooled down by water knockout drum and flowed
Body is diverted to each first fluid pipeline carries out fluid cooling for treating cooling device, and can pass through Air cooler by the cold of part
But liquid turns treat cooling device and carry out wind-cooling heat dissipating for cooling wind.Water cooling unit and Air cooler are connected by water knockout drum and water collector
The circulating cooling pipeline of the closed loop to form connection in series-parallel combining form is connect, is to be capable of achieving to treat cooling using same circulating cooling fluid
Device carries out fluid cooling and wind-cooling heat dissipating, improves the service efficiency of cooling device, reduces cooling cost.
The medical imaging devices of the embodiment of the present invention, cooling fluid is provided by the water cooling unit of cooling device, can either be passed through
Cooling fluid is diverted to each first fluid pipeline and carries out fluid cooling for treating cooling device by water knockout drum, and can pass through wind
The cooling fluid of part is converted into cooling wind by cold treats cooling device carries out wind-cooling heat dissipating.Water cooling unit and Air cooler are by dividing
Hydrophone and water collector connect the circulating cooling pipeline of the closed loop to form connection in series-parallel combining form, are using same circulating cooling fluid
Being capable of achieving to treat cooling device carries out fluid cooling and wind-cooling heat dissipating, improves the service efficiency of cooling device, reduces cooling
Cost, and detector temperature lack of uniformity and the too high problem of temperature can also be solved the problems, such as, so that the workability of detector
Optimum state can be reached.
Brief description of the drawings
Fig. 1 is a kind of schematic perspective view of the medical imaging devices shown in the embodiment of the present invention.
Fig. 2 is a kind of front view of the medical imaging devices shown in the embodiment of the present invention.
Fig. 3 is a kind of side view of the medical imaging devices shown in the embodiment of the present invention.
Fig. 4 is the close-up schematic view of Fig. 3 traditional Chinese medicine imaging devices.
Fig. 5 is a kind of structural representation of the detector of the medical imaging devices shown in the embodiment of the present invention.
Fig. 6 is that the water knockout drum and water collector of a kind of cooling device of the medical imaging devices shown in the embodiment of the present invention are independent
The schematic perspective view of setting.
Fig. 7 is that the water knockout drum and water collector of a kind of cooling device of the medical imaging devices shown in the embodiment of the present invention are integrated
The schematic perspective view of setting.
Fig. 8 is the side view of water knockout drum shown in Fig. 7 and water collector.
Fig. 9 is the exploded perspective view of the water collector shown in Fig. 7.
Figure 10 is the schematic perspective view of the water knockout drum shown in Fig. 7.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent and the consistent all implementation methods of the present invention.Conversely, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
It is the purpose only merely for description specific embodiment in terminology used in the present invention, and is not intended to be limiting the present invention.
" one kind ", " described " and " being somebody's turn to do " of singulative used in the present invention and appended claims is also intended to include majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
May be combined containing one or several associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the present invention
A little information should not necessarily be limited by these terms.These terms are only used for being distinguished from each other open same type of information.For example, not departing from
In the case of the scope of the invention, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
Below in conjunction with the accompanying drawings, cooling device of the invention and medical imaging devices are described in detail.What is do not conflicted
In the case of, the feature in following embodiments and implementation method can be mutually combined.
Referring to shown in Fig. 1 to Fig. 6, wherein Fig. 1 to Fig. 3 shows a kind of medical imaging devices 1, and the embodiment of the present invention is provided
A kind of cooling device, in can apply to medical imaging devices 1 as shown in Figure 1 to Figure 3, especially nuclear medical imaging device,
For example, SPECT imaging devices or PET imaging devices etc., cool down for the device to be cooled in medical imaging devices 1.
But this is not limited to, the cooling device can also be used to be cooled down to treat cooling device in other equipment.
The cooling device of the embodiment of the present invention, including：
Water cooling unit 10, for providing cooling fluid, the water cooling unit 10 includes that first fluid entrance 101 and first fluid go out
Mouth 102.
Water knockout drum 210, including water knockout drum entrance 201 and some water knockout drums outlet 202, the water knockout drum entrance 201 and institute
The first fluid outlet 102 for stating water cooling unit 10 is connected.
Some first fluid pipelines 410, respectively with the company of one-to-one corresponding of some water knockout drums outlet 202 of the water knockout drum 210
Connect, as shown in Figure 4.
Water collector 220, including water collector exports 204 and some water collector entrances 203, some water collector entrances 203
Connected one to one with some first fluid pipelines 410, as shown in Figure 4.
Air cooler 30, for the cooling fluid to be converted into cooling wind, the Air cooler 30 includes second fluid entrance
301 and second fluid outlet 302.The second fluid entrance 301 of the Air cooler 30 is exported with the water collector of the water collector 220
204 are connected, and the second fluid outlet 302 of the Air cooler 30 is connected with the first fluid entrance 101 of the water cooling unit 10.
Under a kind of application scenarios, device to be cooled includes some units to be cooled, when cooling device of the invention is used,
Some first fluid pipelines 410 can be arranged on some units to be cooled correspondingly, for example, be arranged on device to be cooled
Core component on.Water cooling unit 10 provide cooling fluid (for example, water, 15% b propanol or other can be used for cool down fluid)
First flowed in water knockout drum 210 by the water knockout drum entrance 201 of water knockout drum 210 from first fluid outlet 102, then again by a point water
Be diverted to cooling fluid in each first fluid pipeline 410 by some water knockout drums outlet 202 of device 210, realizes treating cold simultaneously
But the unit multiple to be cooled of device carries out fluid cooling.Typically, cooling device can be treated by first fluid pipeline 410
Core component higher is cooled down to be required to cooling.Then by the water collector entrance 203 of water collector 220 by each first
Cooling fluid in fluid line 410 is pooled in water collector 220, then is flowed cooling by the water collector outlet 204 of water collector 220
Body drains into Air cooler 30 by the second fluid entrance 301 of Air cooler, is converted the cooling fluid of part by Air cooler 30
Treating cooling device for cooling wind carries out wind-cooling heat dissipating, for example, treating the high without core component to cooling requirement of cooling device
Miscellaneous part carry out wind-cooling heat dissipating.Finally, cooling fluid passes through water cooling unit 10 from the second fluid outlet 302 of Air cooler 30
First fluid entrance 101 is returned in water cooling unit 10, completes a fluid cooling circulation.Water cooling unit 10 can be therein cold to flowing back to
But fluid is lowered the temperature, and cooling fluid is reached desired temperature (for example, 20 degrees Celsius), for cooling down circulation next time, separately
Cooling fluid can also be conveyed to water cooling unit 10 by outside other equipment (such as supply equipment) outward, with replenishing wind-cooling heat dissipating
The cooling fluid of loss.Above-mentioned cooling procedure is repeated, so as to realize hydronic effect.So, can be cooled down by fluid
Mode treat cooling device core component carry out fluid cooling radiating, again can by wind-cooling heat dissipating treat cooling device its
His part is radiated, and then realizes treating comprehensive cooling radiating of cooling device.
From above-described embodiment, cooling device of the invention provides cooling fluid by water cooling unit, can either be by a point water
Cooling fluid is diverted to each first fluid pipeline by device and water collector carries out fluid cooling for treating cooling device, and can lead to
Cross Air cooler the cooling fluid of part is converted into cooling wind and treat cooling device and carry out wind-cooling heat dissipating.Water cooling unit and Air cooler are logical
Cross water knockout drum and water collector connects the circulating cooling pipeline of the closed loop to form connection in series-parallel combining form, using same circulating cooling stream
Body is to be capable of achieving to treat cooling device to carry out fluid cooling and wind-cooling heat dissipating, improves the service efficiency of cooling device, is reduced
Cooling cost.
In one embodiment, the water cooling unit 10 can be integrated circular water cooling unit, can include pressures cycle pump,
Fluid container, cooler, or individually be made up of part distributing after realize fluid pumping circulation, fluid store, fluid
Cool down the function of radiating.
Referring to shown in Fig. 4 and Fig. 5, in one embodiment, cooling device of the invention also includes fluid coldplate 40, institute
State first fluid pipeline 410 to be arranged in the fluid coldplate 40, fluid coldplate 40 can be connected to device to be cooled
On core component.The cooling fluid that water cooling unit 10 is provided can be flowed through from water knockout drum 210 by the first fluid pipeline 410 and set
The fluid coldplate 40 on device to be cooled is put, and then is treated the core component of cooling device and is carried out fluid and cool.
Alternatively, fluid coldplate 40 can be using thermal conductivity factor aluminium alloy plate higher, and first fluid pipeline 410 can be with
Using thermal conductivity factor copper pipe higher, and soldering is in fluid coldplate 40.When cooling fluid cycles through fluid coldplate 40
First fluid pipeline 410 when the heat of device to be cooled is dissipated with thermaltransmission mode, and device to be cooled can be intercepted
The influence of heat radiation.
Shown in Figure 4, in one embodiment, cooling device of the invention also includes temperature sensor 510, and temperature is passed
Sensor 510 keeps being electrically connected with the water cooling unit 10, the temperature for detecting the cooling fluid in the first fluid pipeline 410
Degree.The water cooling unit 10 is used for the temperature adjustment that detects according to the temperature sensor 510 from the first of the water cooling unit 10
The temperature of the cooling fluid of the outflow of fluid issuing 102.
Further, cooling device of the invention also includes flow controller 520, and flow controller 520 is arranged at described
First fluid pipeline 410, for first fluid pipeline 410 described in the temperature adjustment that is detected according to the temperature sensor 510
The flow of the interior cooling fluid.
Alternatively, the temperature sensor 510 is arranged at the core component of device to be cooled, for detecting dress to be cooled
Temperature signal simultaneously can be fed back to water cooling unit 10 to adjust the temperature of cooling fluid by the real-time working temperature of the core component put.
Flow controller 520 is arranged between water knockout drum 210, water collector 220 and fluid coldplate 40, realizes flow control function,
Regulate and control every tool of the cooling fluid of the branch road of first fluid pipeline 410 on the basis of the real time temperature of the detection of temperature sensor 510
Body flow, is precisely controlled the operating temperature of each core component of device to be cooled.
In one embodiment, cooling device of the invention also includes second fluid pipeline 420, the second fluid pipeline
420 are connected between the water knockout drum entrance 201 of the water knockout drum 210 and the first fluid outlet 102 of the water cooling unit 10, are used for
The cooling fluid is drained into the water knockout drum 210 from water cooling unit 10.
In one embodiment, cooling device of the invention also includes the 3rd fluid line 430, the 3rd fluid line
430 are connected between the second fluid entrance 301 of the Air cooler 30 and the water collector outlet 204 of the water collector 220, are used for
The cooling fluid is drained into Air cooler 30 from the water collector 220.
In one embodiment, cooling device of the invention also includes the 4th fluid line 440, the 4th fluid line
440 are connected between the second fluid of the Air cooler 30 outlet 302 and the first fluid entrance 101 of the water cooling unit 10, use
Backed into water cooling unit 10 from the Air cooler 30 in by the cooling fluid.
In one embodiment, cooling device of the invention also includes being located at device to be cooled, water knockout drum 210 and collection
Case (not shown) and dehumidifier 80 outside hydrophone 220.In one example, device to be cooled include photodetector and
Backend electronics part, case and dehumidifier 80 can as thermal resistance, condensation guard system, when water knockout drum 210 and water collector 220 or
When the cooling fluid too low compared to operating ambient temperature is circulated through in fluid coldplate 40, condensation can be formed on its surface
Phenomenon, it is possible to damaged to electronic devices such as photodetector, circuit boards, by the way that the case is by water knockout drum 210 and collects
Hydrophone 220 or fluid coldplate 40 and photodetector are enclosed in closed working environment, and are dropped by the dehumidifier 80
Humidity in low closing space prevents the generation of condensation, and is prevented from the heat of backend electronics part and is significantly radiated light
Its temperature is impacted on electric explorer.Alternatively, the case is adiabatic non-metal board case.
The cooling device of the embodiment of the present invention, water knockout drum 210 and water collector 220 can be (such as Fig. 6 being separately separately provided
Shown example), or it is integrally disposed together.In the example shown in Fig. 7 to Figure 10, water knockout drum 210 and catchment
Device 220 be it is integrally disposed together, wherein, the water collector 220 is sheathed on the outside of the water knockout drum 210, described point of water
Device entrance 201 and water knockout drum outlet 202 are piercing in the water collector 220 respectively.A point water is set in by by water collector 220
The outside of device 210 so that the minimum water knockout drum 210 for being easiest to generation condensed water of temperature is built into the inside of water collector 220, is formed
Water knockout drum 210 and water collector 220 with double-walled form, eliminates fundamentally the condensed water of water knockout drum 210.And
And compared to directly water knockout drum 210 is placed in environment temperature, water knockout drum 210 is built in water collector 220, can be effective
Reduce water knockout drum 210 along journey temperature loss, and then effectively improve water knockout drum 210 cooling effectiveness and solve reduce water knockout drum
The problems such as 210 condensation.
Referring to shown in Fig. 9 and Figure 10, in one embodiment, the water collector 220 includes that mutually fasten first catchments
Main body 221 and second is catchmented main body 222.First catchments first accommodation space 231 that be formed with main body 221, and second catchments main body
The second accommodation space 232 is formed with 222.Described first catchment main body 221 and described second catchment main body 222 mutually fasten after
Between be formed with accommodating cavity 233, that is to say, that first catchment main body 221 and second catchment main body 222 both fasten be sealed in one
Rise, the accommodation space 232 of first accommodation space 231 and second is collectively forming the accommodating cavity 233, can allow cooling fluid from
In flow through.The water knockout drum 210 includes a point water main body 211, and described point of water main body 211 is embedded in the accommodating cavity 233, so that
Form water knockout drum 210 and water collector 220 with double-walled form.
Further, the first main body 221 and second of catchmenting to be catchmented and be respectively equipped with connecting hole 205 in main body 222, and first catchments
Main body 221 and the second main body 222 of catchmenting are arranged in respective connecting hole 205 by fastener, so as to mutually fasten form collection
Hydrophone 220.In another embodiment, the first of water collector 220 catchment main body 221 and second catchment main body 222 can one
Shaping.
In one embodiment, the water collector entrance 203 is arranged at described first and catchments in main body 221 and collect with first
Water main body 221 is connected, and water collector outlet 204 is arranged at described second and catchments in main body 222 and catchmented main body with second
222 are connected.The water knockout drum entrance 201 and water knockout drum outlet 202 be arranged in described point of water main body 211 and respectively with
Water main body 211 is divided to be connected.
Further, the water knockout drum entrance 201 and water knockout drum outlet 202 is divided to the two of water main body 211 positioned at described
Side.Described second main body 222 of catchmenting is provided with first through hole 206, and the water knockout drum entrance 201 is by the first through hole 206
And be piercing in described second and catchment main body 222.Described first main body 221 of catchmenting is provided with the second through hole 207, and the water knockout drum goes out
Mouthfuls 202 are piercing in described first by second through hole 207 catchments main body 221.And then make water knockout drum entrance 201 and catchment
Device outlet 204 is located at the first side for catchmenting main body 221, make water knockout drum export 202 and water collector entrance 203 catchmented positioned at second
The side of main body 222.
Alternatively, sealing ring is set between the water knockout drum entrance 201 and the first through hole 206 to be tightly connected, it is described
Sealing ring is set between water knockout drum outlet 202 and second through hole 207 to be tightly connected, to ensure water knockout drum 210 and water collector
220 sealing.
In one embodiment, described point of water main body 211 is annular enclosed body, and described first catchments main body 221 and institute
State second catchment main body 222 fasten form annular enclosed body.Alternatively, described point of water main body 211 is annular closed tube,
Described first main body 221 and described second of catchmenting catchments main body 222 for annular closed tube.Or described point of water main body 211 is
Square annular enclosed body, the described first main body 221 and described second of catchmenting catchments main body 222 for square annular enclosed pipe
Body.Certainly, it is divided to water main body 211, first to catchment main body 221 and the second shape for catchmenting main body 222 is not limited in above-mentioned two
Kind, any annular enclosed shape should all belong in the range of protection of the invention.In addition, the water knockout drum 210 and catchmenting
The material of device 220 can be seamless stainless-steel pipe (section form is not construed as limiting), but not limited to this.
In the example shown in Fig. 7 to Figure 10, when water knockout drum 210 and water collector 220 are installed, first by water knockout drum 210 point
Water main body 211 be embedded in the first the first accommodation space 231 for catchmenting main body 221 (or second catchment main body 222 second appearance
In 232 between being empty), then the second main body 222 of catchmenting is fastened on and first catchmented in main body 221 and (or first catchments main body
221 are fastened on second catchments in main body 222), and then point water main body 211 is embedded in the accommodating cavity 233 of water collector 220, most
The first main body 221 and second of catchmenting is arranged in by fastener (not shown) again afterwards to catchment the respective connecting hole 205 of main body 222
In, catchment main body 221 by first and the second main body 222 of catchmenting mutually is fastened and forms water collector 220, and then complete water knockout drum 210
With the installation of water collector 220.
Refer again to shown in Fig. 1 to Fig. 3, the embodiment of the present invention also provides a kind of medical imaging devices 1, including scanning support,
Some detectors 900 and cooling device as described above of the scanning support are installed in, the cooling device is used for described
Detector 900 is cooled down, and the first fluid pipeline 410 of the cooling device is arranged on the detector 900.Need
Illustrate, the description on the cooling device in embodiment as described above and implementation method is equally applicable to the present invention
Medical imaging devices 1.Alternatively, medical imaging devices of the invention 1, can including PET, PET/CT, PET/MR etc. equipment,
It is main to include frame 60, the connector 70 being arranged in frame 60, arranged along the circumferencial direction array of the diameter of axle of connector 70
Some detectors 900.
From above-described embodiment, medical imaging devices of the invention 1, the water cooling unit 10 of cooling device, water knockout drum 210,
Water collector 220 and Air cooler 30 collectively constitute the circulating cooling system of closed loop, and the cooling fluid that water cooling unit 10 is provided can
The cooling fluid is guided to carry out fluid cooling to detector 900 by water knockout drum, and can also be by water collector 220 by cooling fluid
Air cooler 30 is drained into, cooling fluid is converted into cooling wind by Air cooler 30 carries out wind-cooling heat dissipating to detector 900.Water cooling unit
With the circulating cooling pipeline that Air cooler connects the closed loop to form connection in series-parallel combining form by water knockout drum and water collector, using same
Circulating cooling fluid is to be capable of achieving to carry out fluid cooling and wind-cooling heat dissipating to detector 900, not only increases making for cooling device
With efficiency, cooling cost is reduced, and the temperature lack of uniformity of detector 900 and the too high problem of temperature can also be solved the problems, such as,
So that the service behaviour of detector 900 reaches optimum state.
It is shown in Figure 5, in one embodiment, the detector 900 include photoelectric detector 901 and with the light
The electronic device 902 of the connection of electric explorer part 901, the first fluid pipeline 410 is arranged at the photoelectric detector 901
On, the Air cooler 30 includes cold wind outlet 303, and the cold wind outlet 303 is set towards the electronic device 902.Can lead to
Crossing fluid-cooled mode carries out fluid cooling radiating to the photoelectric detector 901 of detector 900, and can pass through wind-cooling heat dissipating
Other electronic devices in the backend electronics device 902 and scanning support of detector 900 are radiated, and then is realized to detection
Comprehensive cooling radiating of the electronic device in device 900 and scanning support.
In one embodiment, the fluid coldplate 40, the first fluid pipeline 410, water knockout drum outlet 202
And the quantity of the water collector entrance 203 is equal with the quantity of the component to be cooled.Alternatively, some water collector entrances
203 are uniformly laid in described first catchments in main body 221.Some water knockout drum entrances 201 are uniformly laid in described point of water main body 211
On.Some first through hole 206 and some interval settings of water collector entrance 203.Also, some water collector entrances 203 are uniformly laid
Catchmented in main body 221 in described first, some water knockout drum entrances 201 are uniformly laid in described point of water main body 211, can be caused
Total length of the cooling fluid in a plurality of pipeline branch road in parallel keeps isometric, pressure drop keeps identical, and branch is ensured from structure
Flow in road is essentially identical.
Referring to shown in Fig. 4 and Fig. 5, detector 900 receives as the core component of medical imaging devices, processes and penetrated for γ
Line imaging, be also it is main the need for carry out temperature controlled unit.Some detectors 900 are circumferentially evenly arranged in connector 70
On, be each provided with water knockout drum 210 and water collector 220 with the ring array quantity identical water knockout drum of detector 900 outlet 202 and
Water collector entrance 203, is connected to form parallel pipeline with copper pipe in the fluid coldplate of detector 900 by flexible pipe.Further,
The detector 900 can include the photodetector 901 and backend electronics part 902 of core component, wherein photodetector
901 is temperature sensitivity part but caloric value very little, backend electronics part 902 is not high to temperature requirement but the caloric value of itself compared with
Greatly.Photodetector 901 is fixed on first fluid pipeline 410 of the side of fluid coldplate 40 in fluid coldplate 40, and
Backend electronics part 902 is arranged on the opposite side of fluid coldplate 40 and is encapsulated with porous plate 903, is conducive to radiating.Fluid is cold
But plate 40 may also operate as the heat transfer of obstruct backend electronics part 902 simultaneously influences temperature equalization to photodetector 901
Effect.In addition, Air cooler 30 is connected together by way of series connection with water knockout drum 210 and water collector 220, can thus use
Same cooling fluid carries out thermal convection current, so as to produce the carrying out of the backend electronics part 902 for forcing cold wind larger to caloric value to dissipate
Heat.If providing cooling fluid into being redistributed to parallel connection after water knockout drum 210 and water collector 220 by integrated circular water cooling unit
In the fluid coldplate 40 of dry detector 900, then temperature sensor 510 and flow controller 520 by configuring is combined to cooling
The flow of fluid, initial temperature carry out dynamic control, the core component photodetection of some detectors 900 for arranging circumference array
The operating temperature deviation of device 901 is less than 1 °, is finally reached temperature equalization.
In one embodiment, the scanning support includes frame 60 with the cover plate covered in the frame 60 (in figure not
Show), the accommodation space of closing, detector 900 and the water knockout drum 210 are formed between the frame 60 and the cover plate
It is assembled in the accommodation space with water collector 220.Alternatively, the frame 20 can use aluminium alloy castings structure.Remove
Wet machine 80 can be installed in the scanning support, to being dehumidified in the accommodation space.
In sum, medical imaging devices of the invention 1, the cooling fluid that water cooling unit 10 is provided passes through the He of water knockout drum 210
The water knockout drum 210 of water collector 220 is assigned in each fluid coldplate 40 of parallel connection, then temperature sensor 510 by configuring and
Flow controller 520 is combined carries out dynamic control to the flow and initial temperature of cooling fluid, circumference array is laid in scanning
The operating temperature deviation of each photodetector 901 in frame is less than 1 °, is finally reached temperature equalization.Cooling fluid flows through air-cooled
Backend electronics part 902 is radiated using air blast cooling mode by Air cooler 30 again after machine 30, advantageously ensure that medical science into
As the integral performance parameter and the reliability of equipment of equipment, final image quality is improved.In addition, using big heat
The thermal resistance of parts and temperature sensing unit high designs, it is to avoid unnecessarily heat transfer, heat radiation, improves cooling effectiveness.
Realize having carried out the core component photodetector 901 of detector 900 accurate thermostatic control simultaneously again to detector 900
Backend electronics part 902 carries out air blast cooling radiating, finally solves the problems, such as annular detector array temperature lack of uniformity and rear end
The too high problem of temperature of electronic unit, so that detector service behaviour reaches optimum state.
The medical imaging devices 1 of the embodiment of the present invention, the cooling means cooled down by the cooling device can be wrapped
Include：
Step one：The presetting temperature of cooling fluid that water cooling unit 10 is exported, is entered into by second fluid pipeline 420
In water knockout drum 210, then the first fluid pipeline 410 in each fluid coldplate 400 is directed respectively into by water knockout drum 210, and then
Photodetector 901 to detector 900 carries out fluid cooling.It is alternatively possible to the cooling fluid that water cooling unit 10 is exported is pre-
20 DEG C are set to, are entered into water knockout drum 210 by second fluid pipeline 420, then each stream is directed respectively into by water knockout drum 210
First fluid pipeline 410 in body coldplate 400, fluid cooling is carried out to photodetector 901, controls its temperature equalization
22℃±1℃。
Step 2：The temperature of the real-time monitoring of temperature sensor 510 each photodetector 901, if detecting light electrical resistivity survey
There is certain change in the temperature for surveying device 901, and signal is just fed back to the controller of water cooling unit 10 to adjust change cooling fluid
Preset temperature, while the controller of water cooling unit 10 can also pass the signal along to correspondence branch road flow controller 520 with adjust
Section changes the uninterrupted of cooling fluid in the branch road, so accomplishes the detection control of temperature closed loop.
Step 3：Cooling fluid is imported into water collector 220 from the first fluid pipeline 410 of fluid coldplate 400, then by
Water collector 220 is assigned in the Air cooler 30 of series connection, and part cooling fluid is converted to cold wind to backend electronics portion by Air cooler 30
Other electronic devices in part 902 and scanning support carry out air blast cooling radiating, and cooling fluid returns to water cooling unit 10 after circulation,
Complete the cooling procedure of closed loop.
Step 4：During whole circulating cooling, reduce what is surrounded by nonmetallic adiabatic cover plate by dehumidifier 80
The humidity of protective zone, prevents fluid coldplate 400, water knockout drum 210 and water collector 220 from condensing, and influences photodetection
The normal work of device 901.The temperature equalization of core component photodetector 901 stabilization of detector 900 is ensure that, detector is protected
900 service behaviour keeps optimal.Also, Air cooler 30 is carried out using same circulating cooling fluid to backend electronics part 902
Air blast cooling is radiated, and improves the service efficiency of cooling device, reduces cooling cost.
The above is only presently preferred embodiments of the present invention, and any formal limitation is not done to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, not departing from the range of technical solution of the present invention, when making a little change using the technology contents of the disclosure above or repair
The Equivalent embodiments for equivalent variations are adornd, as long as being the content without departing from technical solution of the present invention, according to technology reality of the invention
Any simple modification, equivalent variations and modification that confrontation above example is made, still fall within the scope of technical solution of the present invention
It is interior.
Claims (10)
1. a kind of cooling device, it is characterised in that including：
Water cooling unit, for providing cooling fluid, the water cooling unit includes that first fluid entrance and first fluid are exported；
Water knockout drum, including water knockout drum entrance and the outlet of some water knockout drums, the water knockout drum entrance export phase with the first fluid
Connection；
Some first fluid pipelines, are connected with water knockout drum outlet；
Water collector, including water collector outlet and some water collector entrances, the water collector entrance and the first fluid pipeline phase
Connection；
Air cooler, for the cooling fluid to be converted into cooling wind, the Air cooler includes second fluid entrance and second
Body is exported；The second fluid entrance is connected with water collector outlet, and the second fluid is exported and the first fluid
Entrance is connected.
2. cooling device according to claim 1, it is characterised in that the water collector is sheathed on the outer of the water knockout drum
Portion, the water knockout drum entrance and water knockout drum outlet are piercing in the water collector respectively.
3. cooling device according to claim 2, it is characterised in that：
The water collector includes that the mutually fasten first main body and second of catchmenting is catchmented main body, and described first catchments main body and described
Second catchments be formed with accommodating cavity between main body；The water collector entrance is arranged at described first and catchments in main body, described to catchment
Device outlet is arranged at described second and catchments in main body；
The water knockout drum includes a point water main body, and described point of water main body is embedded in the accommodating cavity, the water knockout drum entrance and institute
Water knockout drum outlet is stated to be arranged in described point of water main body.
4. cooling device according to claim 1, it is characterised in that also including fluid coldplate, the first fluid pipe
Road is arranged in the fluid coldplate.
5. cooling device according to claim 1, it is characterised in that also including temperature sensor, protects with the water cooling unit
Electric connection is held, the temperature for detecting the cooling fluid in the first fluid pipeline, the water cooling unit is used for according to described
The temperature of the cooling fluid in water cooling unit described in the temperature adjustment that temperature sensor is detected.
6. cooling device according to claim 5, it is characterised in that also including flow controller, be arranged at described first
Fluid line, for the cooling stream in first fluid pipeline described in the temperature adjustment that is detected according to the temperature sensor
The flow of body.
7. a kind of medical imaging devices, it is characterised in that including scanning support, be installed in the scanning support some detectors, with
And the cooling device as any one of claim 1-6, the cooling device be used for the detector is cooled down, institute
The first fluid pipeline for stating cooling device is arranged on the detector.
8. medical imaging devices according to claim 7, it is characterised in that the detector include photoelectric detector and
The electronic device being connected with the photoelectric detector, the first fluid pipeline is arranged on the photoelectric detector, institute
State Air cooler to be exported including cold wind, the cold wind outlet is set towards the electronic device.
9. medical imaging devices according to claim 7, it is characterised in that the scanning support is circular scanning support, institute
Some detectors are stated uniformly to be laid in the scanning support along the circumferencial direction of the scanning support.
10. medical imaging devices according to claim 7, it is characterised in that the water knockout drum, the water collector and institute
Air cooler is stated to be assembled in the scanning support.
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| CN108420447A (en) * | 2018-03-07 | 2018-08-21 | 湖北锐世数字医学影像科技有限公司 | A kind of cooling component of imaging device |
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| CN112190274A (en) * | 2020-09-09 | 2021-01-08 | 武汉中科医疗科技工业技术研究院有限公司 | Imaging device, liquid separation cooling device and layout method thereof |
| CN112710123A (en) * | 2020-12-29 | 2021-04-27 | 陕西华明普泰医疗设备有限公司 | Water circulation system of drum-type medical accelerator |
| WO2023117727A1 (en) * | 2021-12-22 | 2023-06-29 | Koninklijke Philips N.V. | Pet imaging system cooling |
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