CN110536588B - Detector and medical scanning equipment - Google Patents

Detector and medical scanning equipment Download PDF

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Publication number
CN110536588B
CN110536588B CN201910769031.6A CN201910769031A CN110536588B CN 110536588 B CN110536588 B CN 110536588B CN 201910769031 A CN201910769031 A CN 201910769031A CN 110536588 B CN110536588 B CN 110536588B
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Prior art keywords
heat dissipation
region
detector
area
fins
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CN201910769031.6A
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CN110536588A (en
Inventor
于军
谭益广
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Neusoft Medical Systems Co Ltd
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Neusoft Medical Systems Co Ltd
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20172—Fan mounting or fan specifications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body

Abstract

The invention discloses a detector and medical scanning equipment, the detector includes: the detection module comprises a detection module and a heat dissipation part matched with the detection module, and the heat dissipation part comprises a heat dissipation channel and a heat dissipation fin arranged in the heat dissipation channel; wherein the heat dissipation channel comprises a first area close to the structure front frame and a second area close to the structure rear frame, and the area of the heat dissipation fin in the first area is smaller than that of the heat dissipation fin in the second area. The detector improves the radiating fins, and reduces the radiating area of the radiating fins on the air inlet side, thereby realizing the effect of reducing the temperature difference at two ends of the detector and further improving the consistency and stability of data acquired by the detector.

Description

Detector and medical scanning equipment
Technical Field
The invention relates to the technical field of medical equipment, in particular to a detector and medical scanning equipment.
Background
Medical scanning devices have since emerged, with the advancement of computer technology and other related technologies, a dramatic breakthrough has been achieved. From the development point of view, it is desirable that more slices can be obtained by one rotation of the tube, that is, the scan of one organ can be completed, so as to realize the so-called volume scan, and therefore, the coverage width in the horizontal longitudinal direction of the detection is necessarily increased.
The row number of the detection modules in the horizontal longitudinal direction is increased according to the function requirement of the detector, the number of electronic devices is correspondingly increased, and the power consumption of the electronic devices is finally emitted outwards in a heat mode, so that the heat in the detector is accumulated, the more the row number of the detector is, the larger the heat productivity is, and the temperature in the detector is increased if a better heat dissipation mode is not adopted.
For the detector of the medical scanning device, the temperature is a crucial control parameter, so a reasonable air duct arrangement and a heat dissipation structure must be arranged in the detector to meet the requirement of temperature control. However, as the number of rows of the detection modules in the horizontal longitudinal direction increases, the temperature difference of the detector in the horizontal longitudinal direction increases, and the accuracy of the detection data detected by the detector is affected.
Disclosure of Invention
In view of the above, the present invention provides a detector and a medical scanning device capable of reducing temperature difference to solve the above technical problems.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
according to a first aspect of embodiments of the present invention, there is provided a probe comprising: the structure comprises a structure front frame, a structure rear frame and a plurality of detection modules assembled between the structure front frame and the structure rear frame, wherein the structure front frame comprises a front panel, the structure rear frame comprises a rear panel, and the detection modules comprise detection modules and heat dissipation members matched with the detection modules; the heat dissipation piece comprises a base and two auxiliary cooling fins extending upwards from the base, a heat dissipation channel is formed between the two auxiliary cooling fins and communicated between the structure front frame and the structure rear frame, and the heat dissipation piece further comprises cooling fins arranged in the heat dissipation channel; the heat dissipation channel comprises a first area close to the structural front frame and a second area close to the structural rear frame, and the area of the heat dissipation fin in the first area is smaller than that of the heat dissipation fin in the second area; the detection modules are sequentially arranged on the radiating piece along the horizontal lengthwise direction, each detection module comprises a processing chip and a detection component connected with the processing chip, the detection component is arranged at the bottom of the base, and the processing chip is arranged on the side surface of the auxiliary radiating piece; the detector also comprises an outer cover covering the detection module, the outer cover is respectively assembled on the front panel and the rear panel, and the outer cover is matched with the heat dissipation channel to form a closed channel; wherein, the position of the front panel is provided with an air inlet, and the outer cover is matched with the rear panel to form an upward air outlet on the rear panel.
A further improvement of the detector of the invention is that the heat sink in the first region has a gradually increasing area in the direction of the first region towards the second region.
A further improvement of the detector of the present invention is that the fins in the first region are in the form of a grid.
A further development of the detector according to the invention is that the spacing between two adjacent barriers decreases in the direction of the first area towards the second area.
A further development of the detector according to the invention is that the length of the first region is greater than the length of the second region in the direction of the first region towards the second region.
A further development of the detector according to the invention is that the length of the first region in the direction of the first region towards the second region is equal to the length of the second region, the heat sink being located in the second region.
The detector is further improved in that the structural front frame comprises a front panel, the detector also comprises a fan set arranged on the front panel, and each fan in the fan set corresponds to each heat dissipation channel of the detection module respectively.
The detector of the invention is further improved in that the heat dissipation member comprises a base and two auxiliary heat dissipation fins extending upwards from the base, and the heat dissipation channel is formed between the two auxiliary heat dissipation fins.
The detector of the invention is further improved in that the detection module comprises a processing chip and a detection component connected with the processing chip, the detection component is arranged at the bottom of the base, and the processing chip is arranged on the side surface of the auxiliary radiating fin.
According to a second aspect of embodiments of the present invention there is provided a medical scanning device comprising a gantry and a probe as defined in any one of the preceding claims, the probe being mounted to the gantry.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects: the detector improves the radiating fins, and reduces the radiating area of the radiating fins on the air inlet side, thereby realizing the effect of reducing the temperature difference at two ends of the detector and further improving the consistency and stability of data acquired by the detector.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
FIG. 1 is a schematic diagram of a probe configuration according to an exemplary embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of a probe according to an exemplary embodiment of the present invention;
FIG. 3 is a schematic, partially cross-sectional view of a probe in accordance with an exemplary embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the overall configuration of a heat sink in a detector according to an exemplary embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a heat sink in a detector according to an exemplary embodiment of the present invention;
FIG. 6 is a schematic diagram of a heat sink configuration in a detector according to an exemplary embodiment of the present invention;
FIG. 7 is a schematic diagram of a heat sink configuration in a detector according to yet another exemplary embodiment of the present invention;
fig. 8 is a schematic structural view of a heat sink in a detector according to still another exemplary embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
In the following, some embodiments of the present invention will be described in detail with reference to the accompanying drawings, and features in the following examples and examples may be combined with each other without conflict.
As shown in fig. 1 to 5, a medical scanning apparatus according to an embodiment of the present invention includes a gantry (not shown) and a probe 100 mounted on the gantry. The detector 100 is controlled by the gantry to rotate one circle during the detection process to obtain more scanning layers, wherein the detector 100 is arranged in an arch bridge shape for obtaining a better scanning effect, so that the detector 100 can always be centered on the detected object during the rotation process. In addition, the medical scanning device also comprises a device main body, a scanning bed, a display and the like which are in communication connection with the scanner.
This detector 100 includes frame 1, structure after-frame 3 before the structure and assembles a plurality of detection modules 2 between frame 1 and structure after-frame 3 before the structure, and a plurality of detection modules 2 are transversely (being X axial in figure 1) set up side by side and wholly are the arch bridge form. The detection module 2 includes a detection module 21 and a heat sink 22 engaged with the detection module 21, and the heat sink 22 is used for dissipating heat of the detection module 21. The number of the detection modules 21 is plural, and the plurality of detection modules 21 are sequentially disposed on the heat sink 22 along a horizontal longitudinal direction (i.e., a Z-axis direction in fig. 1).
In this embodiment, the heat sink 22 includes a heat dissipation channel 224 and a heat dissipation fin 223 disposed in the heat dissipation channel 224, and the heat dissipation channel 224 is communicated between the structural front frame 1 and the structural rear frame 3 for flowing the air flowing from the structural front frame 1 to the structural rear frame 3. The heat dissipation fins 223 are used for accelerating heat conduction in the heat dissipation channel 224, and the number of the heat dissipation fins 223 in the heat dissipation channel 224 is set to one or more pieces according to the heat dissipation requirement.
Further, the heat sink 22 further includes a base 221 and two auxiliary fins 222 extending upward from the base 221, and a heat dissipation channel 224 is formed between the two auxiliary fins 222. In this embodiment, the base 221, the auxiliary heat sink 222 and the heat sink 223 are integrally formed by a metal material with a good heat dissipation property.
The probing module 21 of the present invention includes a processing chip 211 and a probing member 212 connected to the processing chip 211. The detection component 212 is disposed at the bottom of the base 221, the detection component 212 is configured to scan a subject to obtain detection data, and the processing chip 211 is disposed at a side of the auxiliary heat sink 222, so that the base 221 of the heat dissipation member 22 can dissipate heat for the detection component 212, the auxiliary heat sink 222 can dissipate heat for the processing chip 211, and the heat sink 223 is configured to accelerate overall heat dissipation of the heat dissipation member 22.
The structure front frame 1 comprises a front panel 11 and a front beam 12 arranged on the back of the front panel 11, and the detection module 2 is connected to the front beam 12. The detector 100 further includes a fan set 13 disposed on the front panel 11, and each fan in the fan set 13 corresponds to each heat dissipation channel 224 of the detection module 2. In this embodiment, the fan set 13 includes a plurality of fans, each of which is an axial fan, and the plurality of fans are arranged in sequence along a transverse direction (i.e., an X-axis direction in fig. 1).
The structural rear frame 3 includes a rear panel 31 and a rear beam 32 provided on the rear panel 31, and the detection module 2 is assembled between the structural front frame 1 and the structural rear frame 3 by being coupled to the front beam 12 and the rear beam 32. The detector 100 further comprises a cover 4 covering the detection module 2, the cover 4 is respectively assembled on the front panel 11 and the rear panel 31, and the cover 4 and the heat dissipation channel 224 cooperate to form a closed channel. The position of the front panel 11 where the fan is mounted is an air inlet, and the outer cover 4 is matched with the rear panel 31 to form an upward air outlet on the rear panel 31.
In the present embodiment, the heat dissipation channel 224 includes the first region 101 near the structural front frame 1 and the second region 102 near the structural rear frame 3, and the area of the heat sink 223 in the first region 101 is smaller than the area of the heat sink 223 in the second region 102. In this embodiment, the heat dissipation channel 224 is divided into two regions, and the heat dissipation area of the heat dissipation fins 223 in the first region 101 close to the fan set 13 is smaller than the heat dissipation area of the heat dissipation fins 223 in the second region 102, so as to reduce the heat dissipation speed of the first region 101, which is beneficial to improving the heat dissipation speed of the second region 102, thereby reducing the temperature difference between the two ends of the detector 100 and reducing the overall temperature of the detector 100. It should be noted that, in the present invention, the heat dissipation area of the heat sink 223 is based on the side area of the heat sink 223.
In one embodiment, as shown in FIG. 6, the heat sink 223 in the first region 101 has an area that gradually increases in a direction from the first region 101 toward the second region 102, so as to reduce the temperature difference across the detector 100. In this embodiment, the heat sink 223 includes a bevel, a circular arc, and the like, and the heat sink 223 having a bevel is illustrated as an example in the drawings. In the case where there are a plurality of fins 223 in the heat dissipation channel 224, the total heat dissipation area is calculated. The plurality of cooling fins 223 have a structure in which a part of the cooling fins 223 have an oblique angle or an arc, or the plurality of cooling fins 223 have an oblique angle or an arc, which is specifically set according to the number of detection modules 21 in the detector 100, the length of the detector 100 in the longitudinal direction, and other factors. In a preferred embodiment, in order to achieve the effect of smaller temperature difference, the length of the first region 101 is greater than the length of the second region 102 in the direction from the first region 101 to the second region 102, so that the temperature difference is smaller as the length of the heat sink 223 increases.
In a further embodiment, as shown in fig. 7, the length of the first region 101 is equal to the length of the second region 102, and the fins 223 are located at the second region 102, in a direction from the first region 101 towards the second region 102. In this embodiment, the temperature drop across the detector 100 is mitigated by the absence of the fins 223 in the first region 101, thereby reducing the temperature differential across the detector 100. In a preferred embodiment, the temperature differential is nearly minimized by making the lengths of the first region 101 and the second region 102 equal and locating the fins 223 in the second region 102.
In yet another embodiment, as shown in fig. 8, the heat dissipation fins 223 in the first region 101 are in the shape of a fence, and the heat dissipation fins 223 in the second region 102 are in the shape of an integral plate. By designing the heat sink 223 of the first region 101 in a fence-like manner, the temperature drop at the front end of the detector 100 can be slowed down, and thus the temperature difference between the two ends of the detector 100 can be reduced. Wherein, in the direction from the first area 101 to the second area 102, the distance between two adjacent fences gradually decreases. In a preferred embodiment, in order to achieve the effect of smaller temperature difference, the length of the first region 101 is greater than the length of the second region 102 in the direction from the first region 101 to the second region 102, so that the temperature difference is smaller as the length of the heat sink 223 increases.
In addition, the heat dissipation fins 223 in the first region 101 may be in a fence shape, and the heat dissipation fins 223 in the second region 102 may also be in a fence shape, that is, the heat dissipation fins 223 of the detector 100 may be in a fence shape as a whole. In order to satisfy the reduction of the temperature difference across the detector 100, the distance between two adjacent barriers is gradually reduced in the direction from the first region 101 toward the second region 102.
The detector improves the radiating fins, and the effect of reducing the temperature difference at two ends of the detector is realized by reducing the radiating area of the radiating fins on the air inlet side, so that the consistency and the stability of data acquired by the detector are improved.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (8)

1. A probe, comprising: the structure comprises a structure front frame, a structure rear frame and a plurality of detection modules assembled between the structure front frame and the structure rear frame, wherein the structure front frame comprises a front panel, the structure rear frame comprises a rear panel, and the detection modules comprise detection modules and heat dissipation members matched with the detection modules;
the heat dissipation piece comprises a base and two auxiliary cooling fins extending upwards from the base, a heat dissipation channel is formed between the two auxiliary cooling fins and is communicated between the structure front frame and the structure rear frame, and the heat dissipation piece further comprises cooling fins arranged in the heat dissipation channel; the heat dissipation channel comprises a first area close to the structural front frame and a second area close to the structural rear frame, and the area of the heat dissipation fin in the first area is smaller than that of the heat dissipation fin in the second area;
the detection modules are sequentially arranged on the radiating piece along the horizontal longitudinal direction, each detection module comprises a processing chip and a detection component connected to the processing chip, the detection components are arranged at the bottom of the base, and the processing chips are arranged on the side surfaces of the auxiliary radiating fins;
the detector also comprises an outer cover covering the detection module, the outer cover is respectively assembled on the front panel and the rear panel, and the outer cover is matched with the heat dissipation channel to form a closed channel;
wherein, the position of the front panel is provided with an air inlet, and the outer cover is matched with the rear panel to form an upward air outlet on the rear panel.
2. A detector according to claim 1, characterised in that the fins in the first region have an increasing area in the direction of the first region towards the second region.
3. The detector of claim 1, wherein the fins in the first region are in the shape of a fence.
4. A probe according to claim 3, wherein the spacing between adjacent barriers decreases in the direction from the first region towards the second region.
5. A probe according to any one of claims 2 to 4 wherein the length of the first region is greater than the length of the second region in the direction of the first region towards the second region.
6. A detector according to claim 1, characterised in that the length of the first region is equal to the length of the second region in the direction of the first region towards the second region, the heat sink being located in the second region.
7. The detector of claim 1, wherein the structural front frame comprises a front panel, and the detector further comprises a fan set disposed on the front panel, wherein each fan of the fan set corresponds to each heat dissipation channel of the detection module.
8. A medical scanning device comprising a gantry and a detector according to any of claims 1 to 7, the detector being mounted to the gantry.
CN201910769031.6A 2019-08-20 2019-08-20 Detector and medical scanning equipment Active CN110536588B (en)

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Application Number Priority Date Filing Date Title
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CN110536588B true CN110536588B (en) 2022-05-06

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204425879U (en) * 2015-03-04 2015-06-24 北京能高自动化技术股份有限公司 A kind of partition type forced air cooling radiator
CN207927116U (en) * 2018-01-26 2018-09-28 深圳比特微电子科技有限公司 A kind of step type radiator
CN209122261U (en) * 2018-10-12 2019-07-19 上海联影医疗科技有限公司 A kind of CT detector module and CT detector

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Publication number Priority date Publication date Assignee Title
US9460823B2 (en) * 2012-09-10 2016-10-04 Telesecurity Sciences, Inc. Dynamic beam aperture control to reduce radiation dose using collimator
CN106028766A (en) * 2016-08-02 2016-10-12 成都雷电微力科技有限公司 Novel cooling fin runner structure
CN106923857A (en) * 2017-04-27 2017-07-07 上海联影医疗科技有限公司 The detector module and detection instrument of detection instrument

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204425879U (en) * 2015-03-04 2015-06-24 北京能高自动化技术股份有限公司 A kind of partition type forced air cooling radiator
CN207927116U (en) * 2018-01-26 2018-09-28 深圳比特微电子科技有限公司 A kind of step type radiator
CN209122261U (en) * 2018-10-12 2019-07-19 上海联影医疗科技有限公司 A kind of CT detector module and CT detector

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