CN100457044C - Wind-cooling heat dissipating method of CT device and the apparatus thereof - Google Patents
Wind-cooling heat dissipating method of CT device and the apparatus thereof Download PDFInfo
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- CN100457044C CN100457044C CNB2006100761563A CN200610076156A CN100457044C CN 100457044 C CN100457044 C CN 100457044C CN B2006100761563 A CNB2006100761563 A CN B2006100761563A CN 200610076156 A CN200610076156 A CN 200610076156A CN 100457044 C CN100457044 C CN 100457044C
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Abstract
The invention discloses an air-cooled heat radiating method of CT device and apparatus, which is characterized by the following: entering cold air into bay from inlet port; heat-exchanging with the heating element in the bay; discharging out of the bay through outlet port; separating the bay as mutual independence first section and second section; placing the heating element in the first section; entering the cold air into the first section from the inlet port; heat-exchanging with the heating element; discharging the hot air to the second section; discharging out of the bay from the outlet port. This invention optimizes cool approach of air-cooled heat radiation effectively.
Description
Technical field
The present invention relates to a kind of computed tomography imaging (Computed Tomography; Abbreviate " CT " as) heat dissipating method and the device of equipment, particularly relate to a kind of wind-cooling heat dissipating method and device of CT equipment.
Background technology
The diagnostic system of the complexity that CT equipment is made up of the electric physical equipments of many precisions such as bulb, detector, aligner, high tension generator of emission X-ray.These electric physical equipments are installed on the rotating disk of a high speed rotating, and by a cover body seal, avoid and doctor or contact patients.Described these electric physical equipments have very high requirement to its running environment, and for example the temperature of bulb internal cooling oil must not surpass 80 degree, and the appearance temperature of detector must not surpass 40 degree etc.Yet some element is in operation but will produce tens kilowatts heat, for example bulb; high tension generators etc. if heat can not in time distribute, can have a strong impact on the performance of electrical equipment; cause visual pseudo-shadow or shutdown, influence patient's diagnosis, even incur loss through delay patient's rescue.
On the other hand, in order to pursue high-precision image quality and image taking speed faster, high capacity bulb and high rotating speed have become the CT Developing Trend in Technology; Yet the design of the machine shape of CT equipment is miniaturization more and more but, curved surfaceization.Temperature inside was more and more higher when above-mentioned situation had caused the operation of existing C T equipment, noise is increasing.
The cooling mode of the CT equipment that present industry generally adopts comprises wind-cooling heat dissipating system and water-cooling heat radiating system.Wherein, the wind-cooling heat dissipating system is simple and easy because of its installation, dependable performance, and easy care and low cost and other advantages are still adopted by most equipment.See also Fig. 1, a CT equipment comprises frame 100, and carries out the rotating disk 200 of scanography at these frame 100 internal rotation, wherein, in this frame 100 frame hole 110 is set, and this rotating disk 200 is around these frame hole 110 rotations.Patient lies on the sick bed 300 that is arranged on these frame 100 the place aheads, and enters in this frame hole 110 and accept scanography.In described existing wind-cooling heat dissipating system, be air inlet and air vent to be set, and on the main heat generating components in being installed in this frame 100, on this rotating disk 200 radiator fan be set and dispel the heat at these frame 100 shells.Yet above-mentioned wind-cooling heat dissipating system makes the cold air that enters from air inlet can't cool off described heat generating components effectively owing to there is not effective cooling path; And the hot-air of process heat exchange can't be discharged into this frame 100 outsides at these frame 100 inner circulating refluxes easily repeatedly effectively.
In addition, above-mentioned wind-cooling heat dissipating system takes to improve the method for its rotation speed of the fan or increase number of fans usually for improving its radiating effect.Yet, along with the raising of described rotation speed of the fan or the increase of quantity, noise in it also increases sharply, and the noise that design bad CT equipment can reach more than 70 decibels and form sound pollution, and the noise pollution meeting causes psychological and physiological negative effect to patient and doctor.
Therefore, how to provide low wind-cooling heat dissipating method of a kind of good heat dissipation effect, noise and device to become the difficult problem of CT equipment in manufacturing and designing.
Summary of the invention
The objective of the invention is to propose the wind-cooling heat dissipating method and the equipment of a kind of good heat dissipation effect, CT equipment that noise is low, the cooling path that it has optimization makes cold air cool off the main heat generating components in the CT equipment effectively and avoids the backflow of hot-air; In addition, sound-absorbing in it and sound Insulation Design have also reduced the noise in the CT equipment effectively.
For achieving the above object, the present invention proposes a kind of wind-cooling heat dissipating method of CT equipment, be used for making cold air to enter frame inside from air inlet, and be discharged into the frame outside through after the heat exchange by air vent with the heat generating components of frame inside, may further comprise the steps: frame is separated into separate first and second portion, makes described heat generating components be arranged in this first; Make cold air enter this first, and carry out heat exchange with described heat generating components from air inlet; To be discharged into this second portion through the air of heat exchange; And the air that this second portion is interior is discharged into the frame outside by air vent.
Further, described first can also be separated into the front and rear that is interconnected, make described heat generating components be arranged in this front portion.Cold air at first enters the rear portion of this first from the frame outside, enters into this front portion from this rear portion again, and be positioned at this forward described heat generating components and carry out heat exchange.
Correspondingly, the present invention proposes a kind of wind-cooling heat dissipating device of CT equipment, and this CT equipment comprises a frame, and frame inside is provided with heat generating components, and offer air inlet and air vent on this frame, wherein, in this frame inside first dividing plate is set, this first dividing plate is separated into separate first and second portion with frame inside, described heat generating components is arranged in this first, wherein, this first communicates with this air inlet, and this second portion communicates with this air vent; Cold air enters this first from this air inlet, and is discharged into this second portion with described heat generating components through after the heat exchange, is discharged into the frame outside by this air vent then.
Wherein, in this first second partition is set, this second partition runs through this first, thereby this first is separated into front and rear, and described heat generating components is arranged in this front portion, and described air inlet is opened in this rear portion; Perhaps in this frame second partition is set, this second partition runs through this first and second portion, and this first is separated into front and rear, and described heat generating components is arranged in this front portion, and described air inlet is opened in this rear portion.
The frame hole is set in this frame, and this CT equipment also comprises rotating disk, and this turret loop is around this frame hole rotation.Described first dividing plate is arranged on the excircle of this rotating disk, forms this first between this first dividing plate and this frame hole, forms this second portion between this first dividing plate and this frame.Have the slit between this second partition and the frame hole, cold air at first enters this rear portion from this air inlet, enters in this front portion along described slit then.
At least one fan unit is set on this rotating disk, is used for the air through heat exchange in this first is discharged into described second portion.At least one fan unit is set in the described air vent, is used for the air in this second portion is discharged into the frame outside by this air vent.
Described air inlet is provided with shutter near a side at frame rear portion, and air inlet is provided with filter element away from a side at frame rear portion.Described frame inside also is provided with the noise reduction cotton and is used for absorbing noise.
In the present invention, the cooling path that forms by described first dividing plate and second partition makes cold air enter this first from the CT device external, be discharged into this second portion with the heat generating components in this first through after the heat exchange, and then be discharged into the CT device external from this second portion.Wherein, because the effect of this first dividing plate has solved the reflux problem that is discharged into air this second portion, the process heat exchange, improved the efficient of heat radiation; Because the effect of this second partition has been optimized cold air and has been entered the path of this first, is cooled off described heat generating components thereby be fully utilized.Simultaneously, owing to be provided with sound insulation and sound-absorbing member, reduced the noise that produces in the heat radiation process effectively at described air inlet and frame.
Description of drawings
Fig. 1 is the structural representation of CT equipment;
Fig. 2 is the flow chart of the wind-cooling heat dissipating method of CT equipment of the present invention;
Fig. 3 is the side schematic view of the wind-cooling heat dissipating device of CT equipment of the present invention;
Fig. 4 is the side schematic view of the further embodiment of wind-cooling heat dissipating device shown in Figure 3;
Fig. 5 is the front schematic view of the wind-cooling heat dissipating device of CT equipment of the present invention; And
Fig. 6 is the structural representation of air inlet of the wind-cooling heat dissipating device of CT equipment of the present invention.
The specific embodiment
Wind-cooling heat dissipating method of the present invention and device are to be that example describes to be applied on the CT equipment, but it is used not as limit, other have the medical imaging devices that need dispel the heat, as nuclear magnetic resonance equipment etc., can use all or part of design main points of the present invention equally, realize dispelling the heat and the purpose of noise reduction.
See also Fig. 3, a typical C T equipment comprises frame 100, and carries out the rotating disk 200 of scanography at these frame 100 internal rotation, wherein, in this frame 100 frame hole 110 is set, and this rotating disk 200 is around these frame hole 110 rotations.Patient lies on the sick bed that is arranged on these frame 100 the place aheads, and enters in this frame hole 110 and accept scanography.
Be described in detail below in conjunction with the wind-cooling heat dissipating method and the device of accompanying drawing CT equipment of the present invention.
See also Fig. 2, in the step S100 of the wind-cooling heat dissipating method of CT equipment of the present invention, at first the frame with a CT equipment is separated into separate first and second portion.
In the wind-cooling heat dissipating system of existing C T equipment, an outstanding defective is: the discharging of the entering of cold air, heat exchange and hot-air all is to carry out in the same space in frame, thereby caused cold air can not cool off heat generating components effectively, and the hot-air after the process heat exchange is owing to can not in time being discharged into the outside problem that refluxes and then be used to heat exchange once more of frame.Wherein, have the greatest impact with the situation that is used to heat exchange through the hot air reflow of heat exchange once more radiating efficiency to the wind-cooling heat dissipating system.
Please consult Fig. 3 simultaneously, be used to the situation of heat exchange once more for the hot air reflow that prevents the heat exchange of described process, in the wind-cooling heat dissipating device of CT equipment of the present invention, excircle at this rotating disk 200 is provided with one first dividing plate 20, and this first dividing plate 20 is divided into separate A of first and second portion B with the inner space of this frame 100.Wherein, form the A of this first between this first dividing plate 20 and this frame hole 110; Form this second portion B between the shell of this first dividing plate 20 and frame 100.The main heat generating components 210 of described CT equipment as bulb, high tension generator, detector etc., is arranged on this rotating disk 200 and along with this dial rotation, promptly the main heat generating components of CT equipment is arranged among the A of this first.
See also Fig. 2, in the step S101 of the wind-cooling heat dissipating method of CT equipment of the present invention, make cold air enter this first, and carry out heat exchange with heat generating components in it from air inlet.
Please consult Fig. 3 simultaneously, in the wind-cooling heat dissipating device of CT equipment of the present invention, the A of this first communicates with the air inlet 120 of the shell that is arranged on this frame 100, and wherein this air inlet 120 preferably is arranged on this frame 100 lower rear.Cold air enters the A of this first and carries out heat exchange (promptly cooling off) with the main heat generating components 210 of described CT equipment from this air inlet 120.
Yet, in structure as shown in Figure 3, there are two weak points in the A of this first: the one, in CT equipment in order to make positioning action more convenient, usually rotating disk 200 and described main heat generating components 210 (bulb, high tension generator, detector etc.) are arranged on front portion near frame 100, so have bigger space between the rear portion of described main heat generating components 210 and frame 100, in this space, might form partial situation about refluxing through the air of heat exchange; The 2nd, enter from these frame 100 outsides the A of this first cold air some only flow through the sidewall of described main heat generating components 210 and do not utilized fully, the problem that foregoing cold air can not cool off heat generating components effectively promptly appears.
Please further consult Fig. 4, for addressing the above problem, the wind-cooling heat dissipating device of CT equipment of the present invention further is provided with a second partition 10, this second partition 10 runs through the A of this first along the vertical direction, thereby it is divided into anterior A1 and the rear portion A2 that is interconnected, this rotating disk 200 and described main heat generating components 210 are arranged in this front portion A1, and wherein, this second partition 10 preferably runs through A of this first and second portion B simultaneously.Has the slit between the frame hole 110 of this second partition 10 and this frame 100; Described air inlet 120 is arranged on the bottom of this rear portion A2.By this second partition 10 is set, make the cold air of these frame 100 outsides at first enter this rear portion B from this air inlet 120, enter among the described anterior A1 along the slit between this second partition 10 and this frame hole 110 then.Because the existence of this second partition 10, the cold air that makes the described slit of process enter this front portion A1 is fully utilized, and cools off described main heat generating components 210 from bottom to up; Space between this second partition 10 and the described main heat generating components 210 is less simultaneously, and the probability that the air after the course of emergency heat exchange refluxes is lower.
See also Fig. 2, in the step S102 of the wind-cooling heat dissipating method of CT equipment of the present invention, will be discharged into this second portion through the air of heat exchange.
Please consult Fig. 4 and Fig. 5 simultaneously, the wind-cooling heat dissipating device of CT equipment of the present invention is on this rotating disk 200, at least one fan unit 220 preferably is set on described heat generating components 210, a plurality of described fan units 220 preferably are set, are used for air in the A of this first, the process heat exchange is discharged into described second portion B.Because the existence of this first dividing plate 20 makes described air that emit, the process heat exchange to be back to the A of this first from this second portion B.
See also Fig. 2, in the step S103 of the wind-cooling heat dissipating method of CT equipment of the present invention, the air in this second portion B is discharged into the frame outside.
Please consult Fig. 4 and Fig. 5 simultaneously, the wind-cooling heat dissipating device of CT equipment of the present invention is provided with an air vent 130 that communicates with this second portion B in this frame 100, be used for described air through heat exchange from the top discharge of this frame 100 outside CT equipment.This air vent 130 preferably is arranged on the position after these frame 100 tops are leaned on.For increasing the efficient of described air discharging, in this air vent at least one is set, be preferably a plurality of fan units 140, to quicken the circulation of air.
Please consult Fig. 5 especially, because in CT device scan checking process, this rotating disk 200 is along perpendicular to paper, rotate around R direction continuous high speed, circulate thereby drive described air Rapid Cycle in this second portion B that emit from the A of this first, the process heat exchange, and it is discharged into the CT device external by air vent 130.
Fig. 3 has shown situation when described heat generating components 210 and fan unit 220 rotate to described position along with this rotating disk 200 to heat generating components 210 shown in dotted lines in Figure 5 and fan unit 220.
In the present invention, the cooling path that forms by described first dividing plate and second partition makes cold air be inhaled into from the below at CT equipment rear portion, discharge by the rear portion through the top from this CT equipment after the heat exchange, be discharged to the outside, room by the gas extraction system at top, room then.Therefore be arranged in the doctor in CT equipment the place ahead and patient and can not feel the disturbance of air-flow in scanning process, this has improved the friendly of the operation of described CT equipment.
See also Fig. 6, the wind-cooling heat dissipating device of CT equipment of the present invention further is provided with shutter 121 and filter element 122 and carries out noise reduction and dustproof in the air inlet 120 of the rear portion A2 of the A of this first.Described shutter 121 is arranged on this air inlet 120 outsides, and promptly near a side at the rear portion of frame 100, it adopts big degree of depth pane, and described pane is designed to camber line shape and avoids acute angle and burr, and interlaced arrangement; Prolong inlet channel, the noise when reducing air inlet thereby reach, and with the effect of noise barrier at the CT device interior.This filter element 122 can adopt filter cotton, and it is contained on the supporting network 123 and is arranged on the inboard of this air inlet 120, promptly away from the side at the rear portion of frame 100.After cold air enters from this shutter 121, need filtration, thereby reach the dustproof effect through this filter cotton.The kind of described filter cotton can dust granule size excessive according to the air communication of described CT equipment and that allow to pass through be determined.The noise N of CT device interior is reflected back at this filter element 122 and supporting network 123 place's parts thereof, and part is absorbed by this filter element 122, has only small part to pass this filter element 122 and supporting network 123 thereof.This small part noise stops to have only considerably less part can pass to the CT device external through the pane of this shutter 121 again.
In order to eliminate the noise of CT device interior, the internal structure of frame 100 adopts round-corner transition as far as possible, and in the corner or recess the thick noise reduction cotton of wavy surface is set, thereby buffering and absorb the impact energy of air-flow in the circulation process.
Described fan unit 220,140 goodly should adopt the centrifugal three dimendional blade formula of direct current fan, and this fan unit has low Voltage, low noise, high rotating speed, big flow, the advantage that volume is little and rotating speed is adjustable. And can adopt a plurality of fan units The mode that is arranged side by side increases capacity effectively.
Claims (17)
1. the wind-cooling heat dissipating method of a CT equipment is used for making cold air to enter frame inside from air inlet, and is discharged into frame outside through after the heat exchange by air vent with the heat generating components of frame inside, it is characterized in that may further comprise the steps:
A) frame is separated into separate first and second portion, makes described heat generating components be arranged in this first;
B) make cold air enter this first, and carry out heat exchange with described heat generating components from this air inlet;
C) will be discharged into this second portion through the air of heat exchange; And
D) air in this second portion is discharged into the frame outside by air vent.
2. according to the wind-cooling heat dissipating method of the CT equipment of claim 1, it is characterized in that: between step a) and step b), further comprise step:
A1) described first is separated into the front and rear that is interconnected, makes described heat generating components be arranged in this front portion.
3. according to the wind-cooling heat dissipating method of the CT equipment of claim 2, it is characterized in that: in step b), cold air at first enters the rear portion of this first from the frame outside, enters into this front portion from this rear portion again, and be positioned at this forward described heat generating components and carry out heat exchange.
4. the wind-cooling heat dissipating device of a CT equipment, this CT equipment comprises a frame, frame inside is provided with heat generating components, and offer air inlet and air vent on this frame, it is characterized in that: in this frame inside first dividing plate is set, this first dividing plate is separated into separate first and second portion with frame inside, described heat generating components is arranged in this first, wherein, this first communicates with this air inlet, and this second portion communicates with this air vent; Cold air enters this first from this air inlet, and is discharged into this second portion with described heat generating components through after the heat exchange, is discharged into the frame outside by this air vent then.
5. according to the wind-cooling heat dissipating device of the CT equipment of claim 4, it is characterized in that: in this first, second partition is set, this second partition runs through this first, thereby this first is separated into front and rear, described heat generating components is arranged in this front portion, and described air inlet is opened in this rear portion.
6. according to the wind-cooling heat dissipating device of the CT equipment of claim 4, it is characterized in that: in this frame, second partition is set, this second partition runs through this first and second portion, and this first is separated into front and rear, described heat generating components is arranged in this front portion, and described air inlet is opened in this rear portion.
7. according to the wind-cooling heat dissipating device of CT equipment any one among the claim 5-6, it is characterized in that: the frame hole is set in this frame, and this CT equipment also comprises rotating disk, and this turret loop is around this frame hole rotation.
8. according to the wind-cooling heat dissipating device of the CT equipment of claim 7, it is characterized in that: described first dividing plate is arranged on the excircle of this rotating disk, form this first between this first dividing plate and this frame hole, form this second portion between this first dividing plate and this frame.
9. according to the wind-cooling heat dissipating device of the CT equipment of claim 7, it is characterized in that: have the slit between this second partition and the frame hole, cold air at first enters this rear portion from this air inlet, enters in this front portion along described slit then.
10. according to the wind-cooling heat dissipating device of the CT equipment of claim 7, it is characterized in that: at least one fan unit is set on this rotating disk, is used for and will be discharged into described second portion by the air through heat exchange in this first.
11. according to the wind-cooling heat dissipating device of the CT equipment of claim 4, it is characterized in that: described air vent is arranged on the top of this frame.
12. the wind-cooling heat dissipating device according to the CT equipment of claim 4 or 11 is characterized in that: at least one fan unit is set in the described air vent, is used for the air in this second portion is discharged into the frame outside by this air vent.
13. the wind-cooling heat dissipating device according to the CT equipment of claim 4 or 11 is characterized in that: described air inlet is provided with shutter near a side at frame rear portion.
14. according to the wind-cooling heat dissipating device of the CT equipment of claim 4 or 11, it is characterized in that: described air inlet is provided with filter element away from a side at frame rear portion.
15. according to the wind-cooling heat dissipating device of the CT equipment of claim 14, it is characterized in that: described filter element is a filter cotton.
16. according to the wind-cooling heat dissipating device of the CT equipment of claim 14, it is characterized in that: described filter element is contained on the supporting network.
17. according to the wind-cooling heat dissipating device of the CT equipment of claim 4, it is characterized in that: described frame inside is provided with the noise reduction cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100761563A CN100457044C (en) | 2006-04-28 | 2006-04-28 | Wind-cooling heat dissipating method of CT device and the apparatus thereof |
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| CNB2006100761563A CN100457044C (en) | 2006-04-28 | 2006-04-28 | Wind-cooling heat dissipating method of CT device and the apparatus thereof |
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| CN100457044C true CN100457044C (en) | 2009-02-04 |
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| JP6188347B2 (en) * | 2012-02-22 | 2017-08-30 | 東芝メディカルシステムズ株式会社 | X-ray CT system |
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| CN108889059B (en) * | 2018-07-22 | 2020-08-21 | 鹤壁市人民医院 | Medical equipment with air filtering device |
| CN109157240A (en) * | 2018-11-05 | 2019-01-08 | 中山市明峰医疗器械有限公司 | A kind of heat dissipation CT machine certainly |
| CN109452951A (en) * | 2018-12-30 | 2019-03-12 | 上海联影医疗科技有限公司 | A kind of medical treatment radiator, method and medical system |
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| CN101061955A (en) | 2007-10-31 |
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