CN101297758B - Computed tomograph scanner system - Google Patents
Computed tomograph scanner system Download PDFInfo
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- CN101297758B CN101297758B CN200710098949XA CN200710098949A CN101297758B CN 101297758 B CN101297758 B CN 101297758B CN 200710098949X A CN200710098949X A CN 200710098949XA CN 200710098949 A CN200710098949 A CN 200710098949A CN 101297758 B CN101297758 B CN 101297758B
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Abstract
This invention discloses a CT system, which comprise a CT case (211, 311, 411, 511), CT electrical equipment (213, 313, 413, 513, 214, 314, 414, 514) which is in the CT case (211, 311, 411, 511), an electric appliance cabinet (212, 312, 412, 512), and comprise an air conditioner at least which is used for producing cooling air and reducing the temperature inside the CT case (211, 311, 411, 511) by using the cooling air. By adopting the air conditioner, the CT system of the invention reduces the temperature inside the CT chassis by the air conditioner, improves the temperature reduction efficiency of the temperature inside the CT case, in particular to being suitable for matching with an X line pipet with large capacity, and as an air vent is opened rarely, even not opened, the noise is reduced greatly too.
Description
Technical field
The present invention relates to medical image system, particularly relate to a kind of computed tomography (CT, ComputerizedTomography) system.
Background technology
During the CT system works, the X ray tube (tube) in its cabinet can produce a lot of heats, and the temperature in the cabinet is raise, if can not be reduced to certain scope to internal temperature, will directly influence the operate as normal of CT.
At present, the method for reduction temperature in chassis has multiple, for example extracts the method that extraneous cold air is lowered the temperature with exhaust fan.The prerequisite that exhaust fan extracts the method for cool ambient air cooling is that ambient temperature is also lower, if ambient temperature is low inadequately, the efficient of cooling is also lower, and in addition, this mode need be opened some vents on cabinet surface as the advancing of external world's cooling air, exhaust outlet.If open too much excessive vent on the cabinet surface, enter chance in the cabinet except increasing external dust etc., also can reduce soundproof effect, in general, aperture area account for whole cabinet surface area 10% and don't adopt remedial measures, this cabinet just will lose the noise reduction effect.In addition, the air inlet on the cabinet need be placed airstrainer, enters the heat radiation that cabinet inside influences components and parts to reduce dust, and these drainage screens must often clean or change; Otherwise, will reduce the cold air suction volume, cause over-heat inside, further reduce the efficient of cooling.
Can also adopt the method for water-cooled cooling, the method for water-cooled cooling needs a lot of precious water resource, and simultaneously, the cooling device of water-cooled cooling is also bigger, need take the bigger device space, is not suitable for applying in hospital.
Summary of the invention
The object of the present invention is to provide a kind of CT system, have very high CT cabinet cooling efficient, noise is lower simultaneously.
To achieve these goals, technical scheme of the present invention comprises:
A kind of CT system comprises the CT cabinet, is positioned at CT electronic equipment, the Electric Appliance Cabinet of CT cabinet, and at least also comprise: air conditioner is used for producing the cooling air, and utilizes this cooling air to reduce the interior temperature of described CT cabinet.
Wherein, described air conditioner makes the cooling air at described CT cabinet internal recycle.
Wherein, described air conditioner comprises: compressor is used for the gaseous refrigerant of low pressure is compressed into the gaseous refrigerant of High Temperature High Pressure; Condenser outwards dispels the heat the gaseous refrigerant of the High Temperature High Pressure of described compressor output, is condensed into high pressure liquid refrigerant gradually; Throttling arrangement to the high pressure liquid refrigerant blood pressure lowering cooling of described condenser output, becomes the liquid refrigerant of low-temp low-pressure; Vaporizer is positioned at described CT cabinet inside, and the heat that the liquid refrigerant that described throttling arrangement is exported absorbs described CT cabinet inside becomes low-pressure gaseous refrigerant, and makes low-pressure gaseous refrigerant flow into described compressor again; The cold-producing medium connection tube that connects described compressor and described condenser; The cold-producing medium connection tube that connects described condenser and described throttling arrangement; Connect the cold-producing medium connection tube of described throttling arrangement and described vaporizer; The cold-producing medium connection tube that connects described vaporizer and described compressor.
Wherein, described throttling arrangement is expansion valve or restriction sleeve.
Wherein, described compressor is positioned at described CT cabinet outside; Described throttling arrangement is positioned at described CT cabinet; Described condenser is positioned on the described CT cabinet, and its opening surface is to described CT cabinet outside.
Wherein, the cold-producing medium connection tube between described connection compressor and the condenser, and connect compressor and comprise respectively with cold-producing medium connection tube between the vaporizer: two sections cold-producing mediums are connected copper pipe; Cold-producing medium connects flexible pipe, connects between the copper pipe at described two sections cold-producing mediums, and passes the hole that is positioned near the described CT cabinet of side cabinet swing rotating shaft.
Wherein, described compressor and condenser are positioned at described CT cabinet outside; Described throttling arrangement is positioned at described CT cabinet.
Wherein, the cold-producing medium connection tube between described condenser and the described throttling arrangement, and the cold-producing medium connection tube between described compressor and the described vaporizer comprises: two sections cold-producing mediums connect copper pipe; Cold-producing medium connects flexible pipe, connects between the copper pipe at described two sections cold-producing mediums, is used to pass the hole that is positioned near the described CT cabinet of side cabinet swing rotating shaft.
Wherein, described air conditioner makes in the described CT cabinet of cooling air admission.
Wherein, described air conditioner comprises: compressor is compressed into the gaseous refrigerant of low pressure the gaseous refrigerant of High Temperature High Pressure; Condenser outwards dispels the heat the gaseous refrigerant of the High Temperature High Pressure of described compressor output, is condensed into high pressure liquid refrigerant gradually; Throttling arrangement to the high pressure liquid refrigerant blood pressure lowering cooling of described condenser output, becomes the liquid refrigerant of low-pressure low-temperature; Vaporizer is positioned at outside the described CT cabinet, makes the heat of the liquid refrigerant absorption surrounding of described throttling arrangement output become low-pressure gaseous refrigerant, and makes low-pressure gaseous refrigerant flow into described compressor again; Cool air inlet is positioned on the described CT cabinet; The cooling air channel, an end connects described cool air inlet, and the other end connects the opening of described vaporizer, and the cooling air that will pressurize through the fan of described vaporizer imports in the described CT cabinet; The hot-air outlet is positioned on the described CT cabinet, in cooling air admission described CT cabinet after, the hot-air in the described CT cabinet is discharged; The cold-producing medium connection tube that connects described compressor and described condenser; The cold-producing medium connection tube that connects described condenser and described throttling arrangement; The cold-producing medium connection tube that connects described throttling arrangement and described vaporizer; The cold-producing medium connection tube that connects described vaporizer and described compressor.
Wherein, described cool air inlet is the hole in the hollow swing rotating shaft of described cabinet that is positioned on the described CT cabinet.
Wherein, described vaporizer and described cooling air channel are positioned at the Electric Appliance Cabinet of described system.
Described CT system also comprises: airstrainer, the described vaporizer that is arranged on the described Electric Appliance Cabinet sucks on the inlet of air, and described vaporizer inhaled air is filtered.
Wherein, described condenser further comprises fan; Described vaporizer further comprises fan.
Described CT system also comprises: condensed water hydrops dish, be positioned at described vaporizer below, and connect and deposit the condensed water that described vaporizer produces; Condensate draining pipe is derived the condensed water in the described condensed water hydrops dish.
Described CT system also comprises: water storing tank is used to connect and deposits the condensed water that described condensate draining pipe is derived.
Described CT system also comprises: the condensed water discharge outlet is used for draining into the condensed water that described condensate draining pipe is derived underground.
Described CT system also comprises: first drainage pump for condensated water, and be used for pumping the condensed water of described condensed water hydrops dish, and the condensed water that pumps be directed into described condenser place by described condensate draining pipe, condensed water is evaporated on described condenser.
Described CT system also comprises: heating fumigators, and the condensed water heating evaporation that condensate draining pipe is derived falls; Second drainage pump for condensated water is used for pumping the condensed water of described condensed water hydrops dish, and by described condensate draining pipe the condensed water that pumps is directed into described heating fumigators place.
Described CT system also comprises: nebulizer, the condensate water atomizing that condensate draining pipe is derived; The 3rd drainage pump for condensated water is used for pumping the condensed water of described condensed water hydrops dish, and by described condensate draining pipe the condensed water that pumps is directed into described nebulizer place.
From above technical scheme as can be seen, in CT of the present invention system,, increased the cooling efficient of CT temperature in chassis, be particularly suitable for high capacity X ray tube supporting owing to adopted air conditioner that the temperature in the CT cabinet is regulated; When vaporizer was positioned at the CT cabinet inside, cold air was only in the cabinet inside circulation, even vaporizer is positioned at outside the CT cabinet, also have only cold air seldom to enter the CT cabinet inside, can reduce cabinet inside components and parts superficial dust like this, be beneficial to the components and parts heat radiation, improve its reliability; And, even do not open pore owing to open less on the CT cabinet, noise also reduces greatly.
Description of drawings
To make clearer above-mentioned and other feature and advantage of the present invention of those of ordinary skill in the art by describing the preferred embodiments of the present invention in detail with reference to accompanying drawing below, identical label is represented identical parts, in the accompanying drawing:
Fig. 1 is the ultimate principle figure of steam compression type refrigeration technology;
Fig. 2 is the structural representation of the CT system that can effectively reduce temperature in chassis of the embodiment of the invention one;
Fig. 3 is the structural representation of the CT system that can effectively reduce temperature in chassis of the embodiment of the invention two;
Fig. 4 is the structural representation of the CT system that can effectively reduce temperature in chassis of the embodiment of the invention three;
Fig. 5 is the structural representation of the CT system that can effectively reduce temperature in chassis of the embodiment of the invention four.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
According to the present invention, in the CT scan system, air conditioner is set, this air conditioner produces the cooling air, and makes the cooling air at CT cabinet internal recycle, or makes cooling air admission CT cabinet, thereby reduces the temperature in the CT cabinet.
Introduce the operation principle of air conditioner at first, earlier.Fig. 1 is the ultimate principle figure of steam compression type refrigeration technology.As can be seen from Figure 1, the element of vapour compression refrigeration system comprises compressor 1, condenser 2, throttling arrangement 3 and vaporizer 4.This communicates, and is wherein charging cold-producing medium.Cold-producing medium exists with liquid state or gaseous state usually.In the mutual conversion process of these several states, can cause the absorption of heat and distribute, thereby cause the variation of ambient temperature.Be called liquefaction from gaseous state to the conversion process of liquid state, evolution of heat this moment; Otherwise, being called vaporization (comprising evaporation and boiling) from liquid state to gasiform transformation process, need absorb heat this moment from external environment.
Illustrate below in conjunction with Fig. 1 how cold-producing medium carries out form transformation between each ingredient in refrigeration system.At first, the gaseous refrigerant of low pressure is inhaled into compressor 1, is compressed into the gas of High Temperature High Pressure; Then, gaseous refrigerant flows to condenser 2, in the heat radiation process of external environment, is condensed into highly pressurised liquid gradually; Then, become the liquid of low-temp low-pressure again by throttling arrangement 3 blood pressure lowerings (also cooling simultaneously); At this moment, the liquid refrigerant of low-temp low-pressure enters vaporizer 4, the constantly vaporization by the heat that absorbs external environment, and like this, the temperature of external environment has reduced, and cold-producing medium has become low-pressure gas, reenters compressor 1.Circulation and so forth, the temperature rising of external environment is avoided in the air conditioner work of just can continuously turning round.
The present invention utilizes the refrigeration principle of air conditioner to reduce the CT temperature in chassis, absorb heat when promptly utilizing the cold-producing medium evaporation and obtain low temperature environment, after consuming certain energy, heat is continuously transferred to the condition of high temperature from low temperature state, form a kind of refrigeration cycle.
The air conditioner of reduction CT temperature in chassis of the present invention comprises four parts and forms, i.e. refrigeration system, air circulation system, condensed water processing system and electric control system.Refrigeration system comprises refrigeration compressor, vaporizer, condenser, throttling arrangement etc.Air circulation system comprises fan and air channel etc.The condensed water processing system comprises condensed water hydrops dish, condensate draining pipe, water storing tank etc.Electric control system comprises temperature sensor (controller) etc.
For the refrigerating capacity of the refrigerating air conditioner of CT cabinet inside is about 0.9 to 3.2kW, noise is less than or equal to 50dB (A).Consider that the space in the cabinet is narrow and small, vaporizer, condenser area will be limited by bulk will, and internal temperature is higher again; In addition, the processing of condensed water is also extremely important, and water droplet must be introduced water storing tank or drainage through pipeline, also can be incorporated on the condenser to evaporate, and perhaps disposes through heating evaporation or atomizing, definitely can not be sprinkled upon on the inner electrical equipment.The placement scheme that is used for the cooling air actuator of CT can have various ways.
Below in conjunction with several specific embodiments the solution of the present invention is described in detail.
Embodiment one:
Fig. 2 is the structural representation of the CT system that can effectively reduce temperature in chassis of the embodiment of the invention one.As can be seen from Figure 2, the CT system among Fig. 2 includes CT cabinet 211, Electric Appliance Cabinet 212, X ray tube 213, detector 214, base 215 and column 219, the electronic equipment of X ray tube 213 and detector 214 general designation CT cabinets 211 inside.X ray tube 213 and detector 214 intermediary big holes are CT frame hole, and CT cabinet 211 is around cabinet swing rotating shaft 216 swings, and shown in cabinet swaying direction 218, X ray tube 213 and detector 214 are pressed rotating disk direction of rotation 217 and rotated.
In the present embodiment, the compressor 221 of air conditioner is positioned at CT cabinet 211 outsides, preferably, is positioned at Electric Appliance Cabinet 212.Condenser 222, expansion valve 223 and vaporizer 224 are positioned at CT cabinet 211 tops, and the opening of vaporizer 224 is towards CT cabinet 211 inside, and the air in main and the CT cabinet 211 carries out heat exchange, absorbs the heat in the CT cabinet 211, formation case internal cooling air-flow 231; The opening of condenser 222 is towards CT cabinet 211 outsides, and main and outside air carries out heat exchange, heat is dispersed in the surrounding goes, and forms case and cools off air-flow 232 outward.Expansion valve 223 belongs to throttling arrangement between condenser 222 and vaporizer 224, inflow evaporator 224 after the high pressure liquid refrigerant decrease temperature and pressure that is used for condenser 222 is sent.Condenser 222 and vaporizer 224 all comprise fan separately.
Condensed water hydrops dish 227 is used to connect the condensed water of depositing vaporizer 224 generations below vaporizer 224.Water storing tank 229 is positioned at Electric Appliance Cabinet 212 outsides, and condensate draining pipe 228 exports to water storing tank 229 with the condensed water in the condensed water hydrops dish 227.
Between compressor 221 and the condenser 222, between condenser 222 and the expansion valve 223, between expansion valve and the vaporizer 224, be connected by the cold-producing medium connection tube respectively between vaporizer 224 and the compressor 221, preferably, the cold-producing medium connection tube is that cold-producing medium connects copper pipe.But between compressor 221 and condenser 222, and vaporizer 224 comprises that with cold-producing medium connection tube between the compressor 221 two sections cold-producing mediums are connected copper pipe 225 and are connected flexible pipe 226 with one section cold-producing medium, cold-producing medium connects flexible pipe 226 and is positioned at the centre that two sections cold-producing mediums connect copper pipe 225, this is because there is swing in CT cabinet 211, therefore near cabinet swing rotating shaft 216 places, preferably adopt cold-producing medium to connect flexible pipe 226, to adapt to the swing of CT cabinet 211.
The gaseous refrigerant that compressor 221 will be compressed into High Temperature High Pressure connects copper pipe 225 by cold-producing medium and is connected flexible pipe 226 with cold-producing medium and is delivered to condenser 222, be converted into high pressure liquid refrigerant at condenser 222 place's gaseous refrigerants, liquid refrigerant by expansion valve 223 decompression coolings becoming low-temp low-pressure, then by vaporizer 224, in vaporizer 224, absorb heat and continuous vaporization in the CT cabinet 211, cold-producing medium has become low-pressure gas again, connects copper pipe 225 by first section cold-producing medium, cold-producing medium connects flexible pipe 226, second section cold-producing medium connects copper pipe 225 and reenters compressor 221.Condensed water hydrops dish 227 below vaporizer 224 is treated will drain into water storing tank 229 by condensate draining pipe 228 when full.
Cold-producing medium connects flexible pipe 226, cold-producing medium connects copper pipe 225 and condensate draining pipe 228 passes Electric Appliance Cabinet 212 and CT cabinet 211 respectively, therefore, needs perforate on Electric Appliance Cabinet 212 and CT cabinet 211 respectively.
From Fig. 2 as seen, because vaporizer 224 is positioned at CT cabinet 211 inside, vaporizer 224 absorbs heat makes surrounding air constantly form the cooling air, and the cooling air forms circulation in CT cabinet 211, do not exchange with the external world, therefore need on CT cabinet 211, airstrainer be set, only need the less passage of some radiuses, keep the inside and outside differential pressure balance to get final product.
Air conditioner can also comprise electric controling parts such as temperature sensor, and these parts are not shown in the drawings.
In the present embodiment, adopt expansion valve, in actual applications, also can adopt restriction sleeve as throttling arrangement as throttling arrangement.
Embodiment two:
Fig. 3 is the structural representation of the CT system that can effectively reduce temperature in chassis of the embodiment of the invention two.Embodiment two and embodiment one are basic identical, and among Fig. 3 with Fig. 2 in back two identical identical parts of Reference numeral presentation function, its function does not repeat them here.Embodiment two only is that with the difference of embodiment one in embodiment one, the condensed water hydrops dish 227 of vaporizer 224 belows drains into water storing tank 229 by condensate draining pipe 228 with the condensed water in the condensed water hydrops dish 227.In embodiment two, the condensed water hydrops dish 327 of vaporizer below is connected to drainage pump for condensated water 330, and drainage pump for condensated water 330 is used for condensed water with condensed water hydrops dish 327 and is ejected on the condenser 322 by condensate draining pipe 328 and evaporates.
As can be seen from Figure 3, condensate draining pipe 328 need not to pass CT cabinet 311 in the present embodiment, but is connected with drainage pump for condensated water 327, and extends to condenser 322 tops from drainage pump for condensated water 330.Like this, condensed water hydrops dish 327 is treated when full, drainage pump for condensated water 330 pumps the condensed water in the condensed water hydrops dish 327 to condenser 322 by condensate draining pipe 328, because condenser 322 temperature are very high, therefore the condensate evaporation that is ejected on it is fallen.
Can also adopt other mode to eliminate condensed water, for example, drainage pump for condensated water 330 pumps condensed water to the heating fumigators (not shown) of special use by condensate draining pipe 328, and condensate evaporation is fallen, perhaps pump to the nebulizer (not shown) of special use, make condensate water atomizing.The present invention is not limited to the mode that adopts a certain elimination condensed water.
Embodiment three:
Fig. 4 is the structural representation of the CT system that can effectively reduce temperature in chassis of the embodiment of the invention three.Embodiment three and embodiment one are basic identical, and among Fig. 4 with Fig. 2 in back two identical identical parts of Reference numeral presentation function, its function does not repeat them here.The difference of embodiment three and embodiment one, be that vaporizer 424 and expansion valve 423 are positioned at CT cabinet 411 inside, compressor 421 separates with CT cabinet 411 with condenser 422, and preferably, compressor 421 and condenser 422 are positioned at the outdoor of CT cabinet rooms of living in 411.
As can be seen from Figure 4, in the present embodiment, compressor 421 and condenser 422 are positioned at outdoor, and the two hole of swinging in the rotating shaft by Electric Appliance Cabinet 412 and the CT cabinet between the CT cabinet 411 links to each other with expansion valve 423 with the vaporizer 424 of CT cabinet 411 inside respectively.
In addition, in the present embodiment, vaporizer still is provided with condensed water hydrops dish 427 and condensate draining pipe 428 for 424 times, is with the difference of embodiment one, the condensate draining pipe 428 of present embodiment extends to outdoor, and condensed water is expelled to subterranean condensed water discharge outlet 438.But, should be appreciated that present embodiment also can adopt the mode of multiple discharge condensed water, for example, the heating fumigators that employing is provided with separately or the mode of nebulizer are handled the condensed water under the vaporizer 424.
Because it is outdoor that compressor 421 is positioned at, noise is lower.And owing to have only vaporizer 424 and expansion valve 423 to be positioned at CT cabinet 411, CT cabinet 411 also can be done smaller and more exquisitely.Simultaneously, because vaporizer 424 is positioned at CT cabinet 411, also can form case internal cooling air circulation.
In the present embodiment, compressor 421 and condenser 422 are positioned at outdoor.In other embodiments of the present invention, also can be placed on indoor compressor 421 and condenser 422 and the isolating position of Electric Appliance Cabinet.
Embodiment four:
Fig. 5 is the structural representation of the CT system that can effectively reduce temperature in chassis of the embodiment of the invention four.Embodiment four and embodiment one are basic identical, and among Fig. 5 with Fig. 2 in back two identical identical parts of Reference numeral presentation function, its function does not repeat them here.Embodiment four is with the difference of embodiment one, vaporizer 524, expansion valve 523 and condenser 522 separate with CT cabinet 511, for example, condenser 522 is positioned on the Electric Appliance Cabinet 512, vaporizer 524 and expansion valve 523 are positioned at Electric Appliance Cabinet 512 inside, cooling air after vaporizer 524 is handled is after the fan pressurization, be blown into CT cabinet 511 inside by cooling air channel 535, the cool air inlet 537 of overstriking is connected on cooling air channel 535 and the CT cabinet 511, preferably, utilize hole in the hollow swing rotating shaft 539 of cabinet as cool air inlet 537.In this embodiment, the cabinet of cool air inlet one side swing rotating shaft is hollow, is in order to allow cooling air admission cabinet.Needing on Electric Appliance Cabinet 512 increases the inlet that sucks air, so that vaporizer 524 sucks air, preferably, arranges to add airstrainer 536 on this inlet, enters in the Electric Appliance Cabinet to avoid dust.
In the present embodiment, hot-air outlet 534 need be set on CT cabinet 511, so that the hot-air in the cooling air push case that enters by cool air inlet 537 is discharged.
In the present embodiment, condensed water hydrops dish 527 still is positioned at vaporizer 524 belows, and water storing tank 529 is positioned at Electric Appliance Cabinet 512 outsides, and condensate draining pipe 528 is expelled to water storing tank 529 with the condensed water in the condensed water hydrops dish 527.
In the present embodiment, adopt condensate draining pipe 528 that the condensed water in the condensed water hydrops dish 527 is expelled to water storing tank 529, also can adopt the condensed water processing mode of embodiment two, promptly the condensed water in the condensed water hydrops dish 527 is pumped to condenser and evaporate by drainage pump for condensated water, equally, also can adopt the mode of the heating fumigators of independent setting or nebulizer to handle condensed water under the vaporizer 524.
In the present embodiment, because vaporizer 524 is positioned at outside the CT cabinet 511, vaporizer 524 absorbs ambient heat need constantly enter in the CT cabinet 511 surrounding air formation cooling air by the cool air inlet 537 on cooling air channel 535 and the CT cabinet 511, hot-air in the CT cabinet 511 is constantly discharged by hot-air outlet 534, so needs in the CT cabinet 511 to carry out air exchange with the external world.But because the refrigeration part of all air conditioners etc. all are positioned at outside the CT cabinet 511, the CT cabinet can be done more small and exquisitely.
This area ordinary person is appreciated that the present invention can also adopt the frequency conversion refrigeration compressor to replace invariable frequency compressor, so that range of temperature is littler, and more power saving.The frequency conversion refrigeration compressor can be AC frequency conversion refrigeration compressor or DC frequency-changing refrigeration compressor.
The method that adopts air conditioner to reduce the CT temperature in chassis comes cool-down method to compare with the cold air that adopts exhaust fan to extract the external world, has the following advantages: cooling efficient height is particularly suitable for high capacity X ray tube supporting; Range of temperature is little, especially when adopting the frequency conversion refrigeration compressor; When vaporizer was positioned at the CT cabinet inside, cold air was only in the cabinet inside circulation, even vaporizer is positioned at outside the CT cabinet, also have only cold air seldom to enter the CT cabinet inside, can reduce cabinet inside components and parts superficial dust like this, be beneficial to the components and parts heat radiation, improve its reliability; Reduce the number of times of changing airstrainer, or, save use cost not with changing airstrainer; Noise ratio is lower, and when compressor and condenser are placed on outside work, noise reduction will be more obvious; Simplified the structure in case radiation hole.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (17)
1. a computed tomography (CT) system comprises CT cabinet (211,311,411,511), be positioned at the interior CT electronic equipment (213 of CT cabinet (211,311,411,511), 313,413,513,214,314,414,514), Electric Appliance Cabinet (212,312,412,512), it is characterized in that, at least also comprise:
Air conditioner is used for producing the cooling air, and utilizes this cooling air to reduce the interior temperature of described CT cabinet (211,311,411,511); Described air conditioner makes described cooling air at described CT cabinet (211,311,411) internal recycle;
Wherein, described air conditioner comprises:
Compressor (221,321,421) is used for the gaseous refrigerant of low pressure is compressed into the gaseous refrigerant of High Temperature High Pressure;
Condenser (222,322,422) outwards dispels the heat the gaseous refrigerant of the High Temperature High Pressure of described compressor (221,321,421) output, is condensed into high pressure liquid refrigerant gradually;
Throttling arrangement (223,323,423) to the high pressure liquid refrigerant blood pressure lowering cooling of described condenser (222,322,422) output, becomes the liquid refrigerant of low-temp low-pressure;
Evaporation (224,324,424), be positioned at described CT cabinet (211,311,411) inside, make described throttling arrangement (223,323,423) Shu Chu liquid refrigerant absorbs described CT cabinet (211,311,411) Nei Bu heat becomes low-pressure gaseous refrigerant, and make low-pressure gaseous refrigerant flow into described compressor (221,321,421) again;
The cold-producing medium connection tube that connects described compressor (221,321,421) and described condenser (222,322,422);
The cold-producing medium connection tube that connects described condenser (222,322,422) and described throttling arrangement (223,323,423);
The cold-producing medium connection tube that connects described throttling arrangement (223,323,423) and described vaporizer (224,324,424);
The cold-producing medium connection tube that connects described vaporizer (224,324,424) and described compressor (221,321,421).
2. CT according to claim 1 system is characterized in that described throttling arrangement (223,323,423) is expansion valve or restriction sleeve.
3. CT according to claim 1 system is characterized in that described compressor (221,321) is positioned at described CT cabinet (211,311) outside;
Described throttling arrangement (223,323) is positioned in the described CT cabinet (211,311);
Described condenser (222,322) is positioned on the described CT cabinet (211,311), and its opening surface is to described CT cabinet (211,311) outside.
4. CT according to claim 3 system is characterized in that described connection compressor (221,321) with condenser (222,322) between the cold-producing medium connection tube, and described connection compressor (221,321) with vaporizer (224,324) between the cold-producing medium connection tube comprise:
Two sections cold-producing mediums connect copper pipe (225,325)
Cold-producing medium connects flexible pipe (226,326), is positioned at described two sections cold-producing mediums and connects between the copper pipe (225,325), and pass the hole that is positioned near the described CT cabinet (211,311) of side cabinet swing rotating shaft (216,316).
5. CT according to claim 1 system is characterized in that described compressor (421) and condenser (422) are positioned at described CT cabinet (411) outside;
Described throttling arrangement (423) is positioned at described CT cabinet (411).
6. CT according to claim 5 system is characterized in that, the cold-producing medium connection tube between described condenser (422) and the described throttling arrangement (423), and the cold-producing medium connection tube between described compressor (421) and the described vaporizer (424) comprises:
Two sections cold-producing mediums connect copper pipe (425);
Cold-producing medium connects flexible pipe (426), is positioned at described two sections cold-producing mediums and connects between the copper pipe (425), is used to pass the hole that is positioned near the described CT cabinet (411) of side cabinet swing rotating shaft (416).
7. a computed tomography (CT) system comprises CT cabinet (211,311,411,511), be positioned at the interior CT electronic equipment (213 of CT cabinet (211,311,411,511), 313,413,513,214,314,414,514), Electric Appliance Cabinet (212,312,412,512), it is characterized in that, at least also comprise:
Air conditioner is used for producing the cooling air, and utilizes this cooling air to reduce the interior temperature of described CT cabinet (211,311,411,511): described air conditioner makes in the cooling described CT cabinet of air admission (511);
Wherein, described air conditioner comprises:
Compressor (521) is compressed into the gaseous refrigerant of low pressure the gaseous refrigerant of High Temperature High Pressure;
Condenser (522) outwards dispels the heat the gaseous refrigerant of the High Temperature High Pressure of described compressor (521) output, is condensed into high pressure liquid refrigerant gradually;
Throttling arrangement (523) to the high pressure liquid refrigerant blood pressure lowering cooling of described condenser (522) output, becomes the liquid refrigerant of low-pressure low-temperature;
Vaporizer (524) is positioned at outside the described CT cabinet (511), makes the heat of the liquid refrigerant absorption surrounding of described throttling arrangement (523) output become low-pressure gaseous refrigerant, and makes low-pressure gaseous refrigerant flow into described compressor (521) again;
Cool air inlet (537) is positioned on the described CT cabinet (511);
Cooling air channel (535), an end connects described cool air inlet (537), and the other end connects the opening of described vaporizer (524), and the cooling air that will pressurize through the fan of described vaporizer (524) imports in the described CT cabinet;
Hot-air outlet (534) is positioned on the described CT cabinet (511), in the cooling described CT cabinet of air admission (511) after, make the hot-air discharge in the described CT cabinet (511);
The cold-producing medium connection tube that connects described compressor (521) and described condenser (522);
The cold-producing medium connection tube that connects described condenser (522) and described throttling arrangement (523);
The cold-producing medium connection tube that connects described throttling arrangement (523) and described vaporizer (524);
The cold-producing medium connection tube that connects described vaporizer (524) and described compressor (521).
8. CT according to claim 7 system is characterized in that, described cool air inlet (537) is for being positioned at the hole in the hollow swing rotating shaft of cabinet (539) on the described CT cabinet (511).
9. CT according to claim 7 system is characterized in that described vaporizer (524) and described cooling air channel (535) are positioned at the Electric Appliance Cabinet (512) of described system.
10. CT according to claim 7 system is characterized in that, also comprises:
Airstrainer (536), the described vaporizer (524) that is arranged on the described Electric Appliance Cabinet (512) sucks on the inlet of air, and described vaporizer (524) inhaled air is filtered.
11., it is characterized in that described condenser (222,322,422,522) further comprises fan according to claim 1 or 7 described CT systems;
Described vaporizer (224,324,424,524) further comprises fan.
12. according to claim 1 or 7 described CT systems, it is characterized in that, also comprise:
Condensed water hydrops dish (227,327,427,527) is positioned at described vaporizer (224,324,424,524) below, connects and deposits the condensed water that described vaporizer (224,324,424,524) produces;
Condensate draining pipe (228,328,428,528) is derived the condensed water in the described condensed water hydrops dish (227,327,427,527).
13. CT according to claim 12 system is characterized in that, also comprises:
Water storing tank (229,529) is used to connect the condensed water of depositing described condensate draining pipe (228,528) derivation.
14. CT according to claim 12 system is characterized in that, also comprises:
Condensed water discharge outlet (438) is used for draining into the condensed water that described condensate draining pipe (428) is derived underground.
15. CT according to claim 12 system is characterized in that, also comprises:
First drainage pump for condensated water (330), be used for pumping the condensed water of described condensed water hydrops dish (327), and by described condensate draining pipe (328) condensed water that pumps is directed into described condenser (322) and locates, condensed water is evaporated on described condenser (322).
16. CT according to claim 12 system is characterized in that, also comprises:
Heating fumigators, the condensed water heating evaporation that condensate draining pipe (228,328,428,528) is derived falls;
Second drainage pump for condensated water is used to pump the condensed water in the described condensed water hydrops dish (227,327,427,527), and by described condensate draining pipe (228,328,428,528) condensed water that pumps is directed into described heating fumigators place.
17. CT according to claim 12 system is characterized in that, also comprises:
Nebulizer is with the condensate water atomizing of condensate draining pipe (228,328,428,528) derivation;
The 3rd drainage pump for condensated water is used to pump the condensed water in the described condensed water hydrops dish (227,327,427,527), and by described condensate draining pipe (228,328,428,528) condensed water that pumps is directed into described nebulizer place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200710098949XA CN101297758B (en) | 2007-04-30 | 2007-04-30 | Computed tomograph scanner system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710098949XA CN101297758B (en) | 2007-04-30 | 2007-04-30 | Computed tomograph scanner system |
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| CN101297758A CN101297758A (en) | 2008-11-05 |
| CN101297758B true CN101297758B (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200710098949XA Expired - Fee Related CN101297758B (en) | 2007-04-30 | 2007-04-30 | Computed tomograph scanner system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103860187B (en) * | 2012-12-10 | 2015-05-13 | 上海联影医疗科技有限公司 | Cooling system of positron emission tomography scanner |
| CN104274197B (en) * | 2013-07-10 | 2016-08-31 | 上海西门子医疗器械有限公司 | A kind of cooling system and equipment |
| CN103400738B (en) * | 2013-08-23 | 2016-01-20 | 苏州明威医疗科技有限公司 | A kind of direct vapor compression refrigeration system for X-ray pipe |
| CN104825184A (en) * | 2015-04-28 | 2015-08-12 | 杭州灿维影像科技有限公司 | Air coolers, cooling system comprising air coolers and temperature regulating and balancing method for CT (Computed Tomography) scanning machine |
| US10663608B2 (en) | 2015-09-21 | 2020-05-26 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for calibrating a PET scanner |
| CN106901772B (en) * | 2017-04-07 | 2021-03-02 | 东软医疗系统股份有限公司 | Cooling device and medical imaging equipment |
| DE102017208955A1 (en) * | 2017-05-29 | 2018-11-29 | Siemens Healthcare Gmbh | Detector device comprising a cooling air path for cooling an X-ray detector |
| EP3417788B1 (en) * | 2017-06-21 | 2020-03-25 | Siemens Healthcare GmbH | Gantry for a medical imaging device and method for air-cooling at least one component of the gantry |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1541619A (en) * | 2003-03-19 | 2004-11-03 | 西门子公司 | Cooling system and method to cool a gantry |
| CN1625320A (en) * | 2003-12-02 | 2005-06-08 | Ge医疗系统环球技术有限公司 | Method and apparatus for thermal management of ct electronics |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1541619A (en) * | 2003-03-19 | 2004-11-03 | 西门子公司 | Cooling system and method to cool a gantry |
| CN1625320A (en) * | 2003-12-02 | 2005-06-08 | Ge医疗系统环球技术有限公司 | Method and apparatus for thermal management of ct electronics |
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| CN101297758A (en) | 2008-11-05 |
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