CN104168747A - Heat exchange unit - Google Patents
Heat exchange unit Download PDFInfo
- Publication number
- CN104168747A CN104168747A CN201410433044.3A CN201410433044A CN104168747A CN 104168747 A CN104168747 A CN 104168747A CN 201410433044 A CN201410433044 A CN 201410433044A CN 104168747 A CN104168747 A CN 104168747A
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- Prior art keywords
- electric cabinet
- cabinet
- framework
- pair
- heat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005481 NMR spectroscopy Methods 0.000 claims description 16
- 229910052734 helium Inorganic materials 0.000 claims description 13
- 239000001307 helium Substances 0.000 claims description 13
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract 2
- 238000012423 maintenance Methods 0.000 description 8
- 230000006378 damage Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The invention discloses a heat exchange unit. The heat exchange unit comprises a cubic cabinet framework and an electric cabinet installed on one side surface of the cabinet framework. The lower portion of the electric cabinet is in rotary connection with the cabinet framework. The upper portion of the electric cabinet is in detachable connection with the cabinet framework. A blocking part which extends towards the inside is fixed to the position, close to the bottom end of the electric cabinet, below the electric cabinet and on the cabinet framework. The electric cabinet is clamped and stopped on the blocking part when overturning in the lower front direction relative to the cabinet framework. If pipeline components or other components on the rear side of the electric cabinet break down and need emergency overhaul and replacement, the upper portion of the electric cabinet can be detached and separated from the cabinet framework, then the electric cabinet is made to overturn in the lower front direction relative to the cabinet framework, and the pipeline components or other components on the rear side of the electric cabinet can be exposed to be overhauled. After overhauling is completed, the electric cabinet can be returned in the reverse direction. In this way, the heat exchange unit is convenient to overhaul, and the components can be replaced in time.
Description
Technical field
The present invention relates to a kind of heat-exchanger.
Background technology
Along with scientific and technological development and social progress, nuclear magnetic resonance equipment for medical field is more and more, medical nuclear magnetic resonance equipment needs extraneous low-temperature receiver to provide cooling, extraneous low-temperature receiver is controlled nuclear magnetic resonance equipment and is moved in suitable temperature range, and extraneous low-temperature receiver is very important to guaranteeing normal work, image quality and the device security of equipment.Extraneous low-temperature receiver is provided by heat-exchanger conventionally.
Medical nuclear magnetic resonance equipment is comprised of critical pieces such as gradient coil, gradient amplifier, radio frequency amplifier and helium compressors conventionally, work when wherein gradient coil, gradient amplifier, radio frequency amplifier etc. scan, while not scanning, can stop, but whether no matter helium compressor scan, all need normal work, to guarantee that nuclear magnetic resonance equipment can continue to produce low temperature and cryogenic magnetic field.Helium compressor continue to produce heat, and what need to continue is cooling, if the heat that helium compressor produces can not be cooling in time, will cause liquid helium to leak and superconducting state is destroyed, the difficulty that causes economic loss and again normally work.
The These characteristics of nuclear magnetic resonance equipment, high with regard to requiring heat-exchanger for its temperature control to there is reliability, as gone wrong, be easy to the function of maintenance and quick-replaceable parts.And the former heat-exchanger for nuclear magnetic resonance equipment, for ease of maintenance electric device, it is anterior that electric cabinet is placed on unit centre position conventionally, electric cabinet has just blocked unit pipeline component below like this, and electric cabinet is fixed with four to eight bolts conventionally, and dismounting electric cabinet maintenance parts are below very inconvenient, because not only the demounting bolt time is long, after removing and installing bolt, electric cabinet is put nowhere simultaneously, also needs to take the cable that connects electric cabinet apart, and repair time length can cause liquid helium leakage accident.
Summary of the invention
In view of this, main purpose of the present invention is to provide the heat-exchanger of a kind of convenient maintenance and quick-replaceable pipeline component, particularly provides a kind of electric cabinet to have the heat-exchanger of special mounting form.This heat-exchanger is when normal work, and electronic cabinet door can normally be opened, convenient maintenance electric device; When being placed in the parts damages of electric cabinet rear side, electric cabinet can be overturn, Quick overhaul, replacing pipeline component, recovery heat group of switches function, guarantees nuclear magnetic resonance equipment safety.
For achieving the above object, the present invention proposes a kind of heat-exchanger, comprise and be cuboidal cabinet framework, be arranged on the electric cabinet on the wherein side surface of this cabinet framework, the bottom of described electric cabinet and described cabinet framework are rotationally connected, and its top is connected with described cabinet framework is detachable.
Adopt said structure, heat-exchanger is in running, if being placed in pipeline component or the miscellaneous part of electric cabinet rear side breaks down while needing emergency service to change, can take and leave the top of described electric cabinet apart described cabinet framework, then, described electric cabinet is overturn to front lower place with respect to described cabinet framework, make the pipeline component or the miscellaneous part that are placed in electric cabinet rear side expose that they are overhauled; After maintenance completes, only need described electric cabinet be resetted according to aforementioned rightabout, so, conveniently heat-exchanger is overhauled, changes in time parts, with the performance of quick recovery heat group of switches, thereby avoid the nuclear magnetic resonance equipment because utilizing heat-exchanger to realize cooling to occur the difficulty that the accidents such as liquid helium leakage accident and superconducting state destruction cause economic loss and again normally work.
Preferably, on described cabinet framework, below described electric cabinet and near its bottom, be fixed with the stop part extending towards inner side, described electric cabinet locks on this stop part when overturn in front lower place with respect to described cabinet framework.
Adopt said structure, described electric cabinet with respect to described cabinet framework in the switching process of front lower place, when described electric cabinet is connected on described stop part, described electric cabinet stops upset, by described stop part, can stop described electric cabinet to continue upset, the parts of avoiding being placed in because of the excessive collsion damage of electric cabinet flip angle described electric cabinet below, also can be limited to optimum position by described electric cabinet, to keep the resistance to overturning of electric cabinet under final rollover states.
Preferably, described electric cabinet is cubic flat, on the surface, the left and right sides of this electric cabinet, in their top, be symmetrically fixed with a pair of the first mounting panel, on this pair of first mounting panel, symmetry offers opening towards the first gap of rear side, be arranged with first supporting seat with screwed hole corresponding with aforementioned a pair of the first gap on described cabinet framework, utilizes bolt passed described the first gap and be tightened on described screwed hole by cabinet framework inner side.
Adopt said structure, if being placed in pipeline component or the miscellaneous part of electric cabinet rear side breaks down while needing emergency service to change, need operator to unclamp described bolt and make described the first gap depart from described bolt, then described electric cabinet is overturn to front lower place with respect to described cabinet framework, when described electric cabinet turn on described stop part, described electric cabinet stops overturning and leans against on described stop part, the pipeline component or the miscellaneous part that are now placed in electric cabinet rear side expose, and can conveniently overhaul like this, change the pipeline component that is placed in described electric cabinet rear side; After maintenance completes, as long as described electric cabinet is resetted according to above-mentioned inverse process and screw described bolt, complete thus the installation of described electric cabinet.Like this, can either adopt simple structure to realize described electric cabinet top and the detachable stable connection that is connected and can guarantees described electric cabinet top and described cabinet framework of described cabinet framework.
Preferably, described bolt is wing bolt.
Adopt said structure, because described bolt is that wing bolt is conducive to described bolt to grasp, handled easily person operation.
Preferably, bottom symmetry in them on the surface, the left and right sides of described electric cabinet offers a pair of installing hole, in this installing hole, dispose back shaft, correspondingly with aforementioned a pair of installing hole on described cabinet framework be symmetrically fixed with a pair of the second supporting seat, on this pair of second supporting seat, offer the second opening up gap, one end of described back shaft locks on described the second gap, and its other end runs through described installing hole and stretches out.
Adopt said structure, bottom and the described cabinet framework that can adopt simple structure to realize described electric cabinet are rotationally connected, meanwhile, can also by described electric cabinet from described the second supporting seat integral body take off, convenient heat-exchanger is overhauled, changes in time the operations such as parts.
Preferably, be symmetrically fixed with a pair of the second mounting panel on the surface, the left and right sides of described electric cabinet in their bottom, described a pair of installing hole is opened on the second corresponding mounting panel.
Preferably, described stop part is fixed on the both sides of described cabinet framework by symmetry and the pin that extends towards the inner side of this cabinet framework forms, and the spacing of this pair of pin on left and right directions is less than the length of described electric cabinet on left and right directions.
Adopt said structure, because the spacing of a pair of pin on left and right directions is less than the length of described electric cabinet on left and right directions, described electric cabinet with respect to described cabinet framework in the switching process of front lower place, when described electric cabinet turn on described pin, described electric cabinet stops overturning and leans against on described pin under the prevention of described a pair of pin, thereby the pipeline component or the miscellaneous part that are placed in electric cabinet rear side are exposed.By aforementioned a pair of pin, can stop described electric cabinet to continue upset, avoid being placed in because of the excessive collsion damage of electric cabinet flip angle the parts of described electric cabinet below, in addition, aforementioned a pair of pin also plays the effect of supporting and location to described electric cabinet, described electric cabinet can be limited to optimum position, to keep the resistance to overturning of electric cabinet under rollover states.
Preferably, described lever is 2/3rds left and right of the height of described electric cabinet on above-below direction to the distance of described the second supporting seat.
Adopt said structure, be conducive to guarantee the resistance to overturning of electric cabinet under rollover states.
Preferably, helium compressor is disposed in described heat-exchanger and the supporting setting of medical nuclear magnetic resonance equipment in described cabinet framework below described electric cabinet.
Accompanying drawing explanation
Fig. 1 is that electric cabinet is arranged on the overall schematic on heat-exchanger;
Fig. 2 is the front schematic view of electric cabinet;
Fig. 3 is the end view of electric cabinet shown in Fig. 2;
Fig. 4 is the schematic diagram of the heat-exchanger after electric cabinet of dismantling;
Fig. 5 is the view of electric cabinet in switching process;
Fig. 6 is the schematic diagram of electric cabinet under final rollover states.
Embodiment
Below with reference to Fig. 1～Fig. 6, the embodiment of heat-exchanger of the present invention is described in detail.In following description, inner side refers to the side towards the inner place of heat-exchanger, and outside refers to a side that deviates from the inner place of heat-exchanger.
Medical nuclear magnetic resonance equipment is comprised of critical pieces such as gradient coil, gradient amplifier, radio frequency amplifier and helium compressors conventionally.Heat-exchanger described in the present embodiment supports the use with medical nuclear magnetic resonance equipment conventionally, for medical nuclear magnetic resonance equipment carries out temperature control.Aforementioned hot group of switches has one and is cuboidal cabinet framework, in this cabinet framework, be typically provided with water system, intermediate water system, the parts such as flowmeter of control system, water pump, electric actuator, electric control valve, computer controller, capable of regulating flow quantity, because forming, the concrete structure of medical nuclear magnetic resonance equipment and heat-exchanger is prior art, therefore only describe and show content and structure related to the present invention in following description and Figure of description, do not repeat for content unrelated to the invention.
As shown in Figure 1, heat-exchanger 1 has one and is cuboidal cabinet framework 11, on the front side surface of this cabinet framework 11, in the centre position of going up along the vertical direction, be provided with electric cabinet 12, in cabinet framework 11, below electric cabinet 12, dispose helium compressor 14, in the rear side of electric cabinet 12, be provided with pipeline component or miscellaneous part.As shown in Figures 2 and 3, electric cabinet 12 integral body are cubic flat, on the surface, the left and right sides of this electric cabinet 12, in their top, be symmetrically fixed with a pair of the first mounting panel 121, on this pair of first mounting panel 121, symmetry offers opening towards the first gap 122 of rear side.On the surface, the left and right sides of electric cabinet 12, in their bottom, be symmetrically fixed with a pair of the second mounting panel 123, on this pair of second mounting panel 123, symmetry is offered a pair of rounded installing hole 124, in this installing hole 124, disposes back shaft 112.
As shown in Figure 4, on cabinet framework 11 with corresponding first supporting seat 115 that is symmetrically fixed with of aforementioned a pair of the first gap 122, on this first supporting seat 115, offer screwed hole 115a, utilize wing bolt 111 pass the first gap 122 and be tightened on screwed hole 115a by cabinet framework 11 inner sides.When wing bolt 111 screws, the top of electric cabinet 12 forms and is closely connected with cabinet framework 11, when wing bolt 111 unclamps, the first gap 122 on electric cabinet 12 can depart from wing bolt 111, the top that is electric cabinet 12 can separate with cabinet framework 11, so makes electric cabinet 12 tops form detachable connection with cabinet framework 11.
On cabinet framework 11, be symmetrically fixed with a pair of the second supporting seat 116 with aforementioned a pair of back shaft 112, on this second supporting seat 116, offer the second opening up gap 116a, and this second gap 116a is broken line shape on along the vertical direction.One end of back shaft 112 locks on the second gap 116a, and its other end penetrating mounting holes 124 is also stretched out.Adopt this structure, at the top of electric cabinet 12 and the first supporting seat 115 of cabinet framework 11 during in separated position, whole electric cabinet 12 can rotate with respect to cabinet framework 11 around aforementioned a pair of back shaft 112, so makes the bottom of electric cabinet 12 and cabinet framework 11 formation be rotationally connected.In addition, electric cabinet 12 integral body from the second supporting seat 116 can also be taken off, conveniently heat-exchanger be overhauled, changes in time the operations such as parts
In cabinet framework 11 both sides, below electric cabinet 12 and near its bottom, be symmetrically fixed with opposed a pair of pin 13, one end of this pair of pin 13 is fixed on cabinet framework 11, the other end extends towards the inner side of this cabinet framework 11, their spacing on left and right directions are less than the length of electric cabinet 12 on left and right directions, and the distance of lever 13 to second supporting seats 116 is 2/3rds left and right of the height of electric cabinet 12 on above-below direction.Electric cabinet 12 is with respect to cabinet framework 11 in the switching process of front lower place, and when electric cabinet 12 is connected on pin 13, this electric cabinet 12 stops overturning and leans against on pin 13 under the prevention of this pair of pin 13.By aforementioned a pair of pin 13, can stop electric cabinet 12 to continue upset, avoid being placed in because of the excessive collsion damage of electric cabinet 12 flip angle the helium compressor 14 of electric cabinet 12 belows, in addition, 13 pairs of electric cabinets of aforementioned a pair of pin also play the effect of supporting and location, electric cabinet 12 can be limited to optimum position, to keep the resistance to overturning of electric cabinet 12 under final rollover states.
When electric cabinet 12 is installed, first the back shaft 112 on the second mounting panel 123 is connected with the second supporting seat 116 on cabinet framework 11, then by electric cabinet 12 centered by back shaft 112, rotate up, the first gap 122 on the first mounting panel 121 is snapped on the wing bolt 111 on cabinet framework 11, then hand Screw wing bolt 111 makes the first mounting panel 121 closely be connected with the first supporting seat 115 formation on cabinet framework 11, realizes thus electric cabinet 12 and installs.If being placed in pipeline component or the miscellaneous part of electric cabinet 12 rear sides breaks down while needing emergency service to change, need operator to unclamp wing bolt 111 and make the first gap 122 depart from this wing bolt 111, then electric cabinet 12 being overturn (as shown in Figure 4) to front lower place with respect to cabinet framework 11.When electric cabinet 12 is connected on pin 13 (as shown in Figure 6), under the stopping of pin 13, electric cabinet 12 stops overturning and leans against on pin 13, the pipeline component or the miscellaneous part that are placed in electric cabinet 12 rear sides are exposed, can conveniently overhaul like this, change the pipeline component that is placed in electric cabinet 12 rear sides; After maintenance completes, as long as electric cabinet 12 is resetted according to above-mentioned inverse process and screw wing bolt 111, complete thus fixing electric cabinet 12.
Adopt said structure, conveniently heat-exchanger 1 is overhauled, changes in time parts, with the performance of quick recovery heat group of switches 1, thereby avoid the nuclear magnetic resonance equipment because utilizing heat-exchanger to realize cooling to occur the difficulty that the accidents such as liquid helium leakage accident and superconducting state destruction cause economic loss and again normally work.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
For example, in the above-described embodiments, as shown in Figure 3, symmetrical in the bottom on the surface, the left and right sides of electric cabinet 12 a pair of the second mounting panel 123 is installed, on this pair of second mounting panel 123, symmetry is offered a pair of installing hole 124.Yet not limited thereto, also can omit this pair of second mounting panel 123 and directly on the surface, the left and right sides of electric cabinet 12 the direct symmetry in bottom in them offer a pair of installing hole.
Claims (9)
1. a heat-exchanger, comprise and be cuboidal cabinet framework (11), be arranged on the electric cabinet (12) on the wherein side surface of this cabinet framework (11), it is characterized in that, the bottom of described electric cabinet (12) and described cabinet framework (11) are rotationally connected, its top and detachable connection of described cabinet framework (11).
2. heat-exchanger according to claim 1, it is characterized in that, in the upper below in described electric cabinet (12) of described cabinet framework (11), also near its bottom, be fixed with the stop part extending towards inner side, described electric cabinet (12) locks on this stop part when overturn in front lower place with respect to described cabinet framework (11).
3. heat-exchanger according to claim 2, it is characterized in that, described electric cabinet (12) is cubic flat, on the surface, the left and right sides of this electric cabinet (12), in their top, be symmetrically fixed with a pair of the first mounting panel (121), in the upper symmetry of this pair of first mounting panel (121), offer opening towards first gap (122) of rear side, at upper be arranged with there is screwed hole first supporting seat (115) of (115a) corresponding with aforementioned a pair of the first gap (122) of described cabinet framework (11), utilize bolt pass described the first gap (122) and be tightened on described screwed hole (115a) by cabinet framework (11) inner side.
4. heat-exchanger according to claim 3, is characterized in that, described bolt is wing bolt (111).
5. heat-exchanger according to claim 1 and 2, it is characterized in that, bottom symmetry in them on the surface, the left and right sides of described electric cabinet (12) offers a pair of installing hole (124), in this installing hole (124), dispose back shaft (112), at upper be symmetrically fixed with a pair of second supporting seat (116) corresponding with aforementioned a pair of installing hole (124) of described cabinet framework (11), on this pair of second supporting seat (116), offer opening up the second gap (116a), one end of described back shaft (112) locks on described the second gap (116a), its other end runs through described installing hole (124) and stretches out.
6. heat-exchanger according to claim 5, it is characterized in that, on the surface, the left and right sides of described electric cabinet (12), in their bottom, be symmetrically fixed with a pair of the second mounting panel (123), described a pair of installing hole (124) is opened on corresponding the second mounting panel (123).
7. heat-exchanger according to claim 2, it is characterized in that, described stop part is fixed on the both sides of described cabinet framework (11) pin (13) formation of extending towards the inner side of this cabinet framework (11) by symmetry, and the spacing of this pair of pin (13) on left and right directions is less than the length of described electric cabinet (12) on left and right directions.
8. heat-exchanger according to claim 7, is characterized in that, described lever (13) is three branch two left and right of the height of described electric cabinet (12) on above-below direction to the distance of described the second supporting seat (116).
9. heat-exchanger according to claim 1, it is characterized in that, described heat-exchanger (1) and the supporting setting of medical nuclear magnetic resonance equipment dispose helium compressor (14) in the below of described electric cabinet (12) in described cabinet framework (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410433044.3A CN104168747B (en) | 2014-08-28 | 2014-08-28 | Heat exchange unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410433044.3A CN104168747B (en) | 2014-08-28 | 2014-08-28 | Heat exchange unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104168747A true CN104168747A (en) | 2014-11-26 |
| CN104168747B CN104168747B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410433044.3A Active CN104168747B (en) | 2014-08-28 | 2014-08-28 | Heat exchange unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN104168747B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764233A (en) * | 2015-03-31 | 2015-07-08 | 阿尔西制冷工程技术（北京）有限公司 | Air cooling and water cooling integral heat exchanger unit for nuclear magnetism device |
| CN111615305A (en) * | 2020-05-29 | 2020-09-01 | 上海联影医疗科技有限公司 | Plug box and magnetic resonance system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104168747B (en) | 2017-02-22 |
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Denomination of invention: Steam-water heat exchanging system with elastic tube bank Effective date of registration: 20170913 Granted publication date: 20170222 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: AIRSYS REFRIGERATION ENGINEERING TECHNOLOGY (BEIJING) Co.,Ltd. Registration number: 2017990000863 |
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Date of cancellation: 20180828 Granted publication date: 20170222 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: AIRSYS REFRIGERATION ENGINEERING TECHNOLOGY (BEIJING) Co.,Ltd. Registration number: 2017990000863 |
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Denomination of invention: Steam-water heat exchanging system with elastic tube bank Effective date of registration: 20180828 Granted publication date: 20170222 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: AIRSYS REFRIGERATION ENGINEERING TECHNOLOGY (BEIJING) Co.,Ltd. Registration number: 2018990000757 |
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Denomination of invention: Steam-water heat exchanging system with elastic tube bank Effective date of registration: 20190924 Granted publication date: 20170222 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: AIRSYS REFRIGERATION ENGINEERING TECHNOLOGY (BEIJING) Co.,Ltd. Registration number: Y2019990000274 |
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