CN103405233A - Horn connector for body coil barrel and manufacturing method thereof - Google Patents
Horn connector for body coil barrel and manufacturing method thereof Download PDFInfo
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- CN103405233A CN103405233A CN201310306755XA CN201310306755A CN103405233A CN 103405233 A CN103405233 A CN 103405233A CN 201310306755X A CN201310306755X A CN 201310306755XA CN 201310306755 A CN201310306755 A CN 201310306755A CN 103405233 A CN103405233 A CN 103405233A
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Abstract
The invention discloses a horn connector for a body coil barrel and a manufacturing method of the horn connector. The horn connector comprises a tube body (1), a big round opening (2) is formed in one end of the tube body (1), and a small round opening (3) is formed in the other end of the tube body (1). The horn connector is characterized in that the tube wall of the tube body (1) comprises an outer layer (101), a tamping layer (102) and a reinforcement layer (103), wherein the outer layer (101), the tamping layer (102) and the reinforcement layer (103) are sequentially compounded. The horn connector has the advantages that each corner is tamped with glass fibers, and products are stable in size, high in accuracy, high in strength and the like.
Description
Technical field
The present invention relates to a kind of NMR imaging equipment, be specifically related to a kind of horn interface for the body coil cylindrical shell and preparation method thereof.
Background technology
MR imaging apparatus, be widely used in the clinical medicine test-and-treat, and body coil is the vitals of MR imaging apparatus.Described body coil comprises the body coil cylindrical shell and is wrapped in the coil on the body coil cylindrical shell that therefore, the structure of described body coil cylindrical shell, will directly affect performance and the work efficiency of body coil, thereby affected performance and the work efficiency of MR imaging apparatus.For this reason, many patents disclose technology separately, as:
Chinese patent application number: 200720149028.7 provide a kind of body coil, are connected between copper sheet with described at the stay pipe of existing body coil, add support, by described connection copper sheet and electric capacity to the direction jack-up away from human body.Effectively to solve the higher problem of SAR, imaging performance does not have again very large loss simultaneously;
Chinese patent application numbers 200920148192.5 provides a kind of body coil support tube for MR imaging apparatus, described body coil support tube comprises one deck inner surface eyelid covering, one deck outer surface eyelid covering and is clipped in the honeycomb layer of one deck at least between the two, make it have good heat insulation, sound insulation, damping property, reduce the impact of gradient coil noise on patient, improved the comfort level of system.
Chinese patent 00120084.4 discloses a kind of open body coil system.
The disclosed technology of above-mentioned patent, the body coil cylindrical shell adopted is cylindrical, and is provided with horn interface in the end of above-mentioned body coil cylindrical shell.
Described horn interface comprises interface agent, and the one end is circular large mouthful, and the other end is circular osculum.At present, the body of all interfaces for the body coil cylindrical shell, often adopt hands to stick with paste fiber cloth/resin laying, rigid die matched moulds pressurization, due to product thickness does not wait and bent angle a lot, in the glass-fiber-fabric die cavity, be difficult to mobile, therefore matched moulds is not in place, the product size error is large.The post-production workload is very big.
Summary of the invention
The purpose of this invention is to provide a kind of horn interface for the body coil cylindrical shell, the above-mentioned defect existed to overcome prior art.
Horn interface for the body coil cylindrical shell of the present invention and preparation method thereof, comprise body, and the one end is circular large mouthful, and the other end is circular osculum, it is characterized in that, the tube wall of described body comprises compound successively skin, tamps layer and enhancement Layer;
Described skin, tamp layer and the material of enhancement Layer is fiberglass;
Term " fiberglass ", also be called FRP, and namely fiber-reinforced plastic, refer to glass fibre and strengthen unsaturated polyester, epoxy resin and phenolic resin as matrix resin.With glass fibre or its goods, make the reinforced plastics of reinforcing material, appellation is fiberglass reinforced plastics, or appellation fiberglass.
In described skin and enhancement Layer, fortifying fibre is that 40 gram surface felts, 450 gram needled mats, 400 gram composite felt or 400 gram multiaxises are to Compound Fabric;
Described tamping in layer, fortifying fibre are three-dimensional sandwich fibrous elasticity cloth;
The preferred alkali-free glass fibre of the sandwich fiber of described three-dimensional;
The sandwich fibrous elasticity cloth of described three-dimensional, for a kind of hollow fabric, to weave by 3D with high-performance fiber, formation has the sandwich fabric of various height and whole connecting structure, fabric forms the global formation hollow composite material after compound, its sandwich layer is Open architecture, can be according to dissimilar resins such as purposes filled polyurethane, epoxy, phenolic aldehyde.Can adopt commercially produced product, as the product of Nanjing hundred friend's textile material company limiteies.The products characteristics of the said firm, upper and lower two-layerly be made into high-performance fiber cloth with 3 D multi-directional and with vertical high strength fibre yarn is vertical, make Compound Fabric have elasticity to braiding between two-layer, and pressurized can be pressed onto 2 millimeters, unclamps the pressure bullet and stops 15 millimeters.Perhaps adopt Chinese patent application 200610038306.1(three-dimensional woven hollow layer-connecting fabric), 200610161269.3(three-dimensional woven hollow double intercalated bed connecting fabrics) disclosed technology.
Described skin, tamp layer and the resin that adopts of enhancement Layer is selected from epoxy resin, unsaturated polyester resin or vinylite;
Described skin, tamp layer and the firming agent that adopts of enhancement Layer for conventional, preferably alicyclic polyamine, tertiary amine, narrow azole or boron trifluoride complex etc., the trade mark of producing as Shanghai resin processing plant is 5784 firming agent; Or methyl ethyl ketone peroxide;
Described skin, tamp layer and the enhancement Layer promoter of adopting for conventional, preferably cobalt iso-octoate (claiming again 2 ethyl hexanoic acid to bore);
Preparation method of the present invention, comprise the steps:
First successively will be multiple at internal mold for the fortifying fibre of enhancement Layer, the sandwich glass fibre elastical cloth of three-dimensional that tamps layer and outer field fortifying fibre paving, then press external mold, be evacuated to vacuum and be-0.01～-0.02MPa, then enhancing perfusion resin and curing agent mixture, the perhaps mixture of enhancing perfusion resin, firming agent and promoter, solidify, can obtain described horn interface for the body coil cylindrical shell;
The pressure of perfusion resin is 0.1MPa～0.2MPa;
Solidification temperature is 60～80 ℃, and be 1～2 hour hardening time;
The weight consumption of resin is fiber cloth and three-dimensional sandwich glass fibre elastical cloth gross weight 1～2 times, preferably 1～1.1 times;
The firming agent weight consumption is 30～50% of resin, preferably 40%;
The promoter weight consumption is 0.2～1% of resin;
The invention has the beneficial effects as follows, glass tamps every nook and cranny, has product size stable, and precision is high, the intensity high.
The accompanying drawing explanation
Fig. 1 is the longitudinal plane structure schematic diagram for the horn interface of body coil cylindrical shell.
The specific embodiment
Referring to Fig. 1, the horn interface for the body coil cylindrical shell of the present invention, comprise body 1, the one end is circular large mouthful 2, the other end is circular osculum 3, it is characterized in that, the tube wall of described body 1 comprises compound successively skin 101, tamps layer 102 and enhancement Layer 103;
Preferably, outer 101 thickness is 1～2mm;
The thickness that tamps layer 102 is 10～14mm;
The thickness of enhancement Layer 103 is 3～4mm;
Preferably, the tube wall of described body 1 also comprises the second enhancement Layer 104 that is compounded in enhancement Layer 103 1 sides;
Preferably, the tube wall of described body 1 also comprises the 3rd enhancement Layer 105 that is compounded in the second enhancement Layer 104 1 sides;
The material of the second enhancement Layer 104 and the 3rd enhancement Layer 105 is preferably 40 gram surface felts, 400 gram multiaxises to Compound Fabric, 450 gram needled mats;
Preferably, the tube wall of described body 1 is arc surface, and radius R is 500～600mmm, preferably 500mm;
Preferably, the ratio of the diameter of the diameter of large mouthful 2 and osculum 3 is:
The diameter of large mouthful 2: the diameter of osculum 3=1.2～1.4: 1, preferably 1.2: 1.
The fortifying fibre that tamps layer 102 is three-dimensional sandwich fibrous elasticity cloth, and three-dimensional sandwich fibrous elasticity cloth adopts the product of Nanjing hundred friend's textile material company limiteies, and three-dimensional sandwich fiber is alkali-free glass fibre;
The fiber that is used for the fiber cloth of skin 101 and enhancement Layer 103 is 40 grams surface felts;
Outer 101 thickness is 2mm;
The thickness that tamps layer 102 is 14mm;
The thickness of enhancement Layer 103 is 4mm;
The tube wall of body is arc surface, and radius R is 500mm;
The ratio of the diameter of large mouthful 2 and the diameter of osculum 3 is:
The diameter of large mouthful 2: the diameter of osculum 3=1.2: 1.
Preparation method:
First will spread multiple at internal mold for the fiber cloth of enhancement Layer 103, the sandwich glass fibre elastical cloth of three-dimensional that tamps layer 102 and outer 101 fiber cloth successively, then press external mold, being evacuated to vacuum is-0.02MPa, then the mixture of enhancing perfusion resin and firming agent, solidify, can obtain described horn interface for the body coil cylindrical shell;
Resin is selected epoxy resin (618), and firming agent adopts 5784; (Shanghai Resin Factory)
The pressure of perfusion resin is 0.2MPa;
Solidification temperature is 80 ℃, and be 8 hours hardening time;
The weight consumption of resin is fiber cloth and three-dimensional sandwich glass fibre elastical cloth gross weight 1.1 times, and the weight consumption of firming agent is 40% of epoxy resin; Adopt the GB/T1447-2005 standard to detect, result is as follows: axial tension 350MPa; The product section is observed without obvious bubble.
Tamp the fortifying fibre of layer 102 with embodiment 1;
The fiber that is used for the fiber cloth of skin 101 and enhancement Layer 103 is 450 gram needled mats;
Outer 101 thickness is 1mm;
The thickness that tamps layer 102 is 12mm;
The thickness of enhancement Layer 103 is 3mm;
The tube wall of body 1 is the garden cambered surface, and radius R is 500mm;
The ratio of the diameter of large mouthful 2 and the diameter of osculum 3 is:
The diameter of large mouthful 2: the diameter of osculum 3=1.2: 1.
Preparation method:
First will spread multiple at internal mold for the fiber cloth of enhancement Layer 103, the sandwich glass fibre elastical cloth of three-dimensional that tamps layer 102 and outer 101 fiber cloth successively, then press external mold, being evacuated to vacuum is-0.01MPa, then the mixture of enhancing perfusion resin, firming agent and promoter, solidify, can obtain described horn interface for the body coil cylindrical shell;
Described resin is elected unsaturated polyester resin as, and firming agent is methyl ethyl ketone peroxide, and the weight of firming agent is 1% of resin demand, and promoter is cobalt iso-octoate, and the weight consumption of promoter is 0.2% of resin demand;
The pressure of perfusion resin is 0.1MPa;
Solidification temperature is 60 ℃, and be 1 hour hardening time;
The weight consumption of resin is fiber cloth and three-dimensional sandwich glass fibre elastical cloth gross weight 1.5 times, adopts the GB/T1447-2005 standard to detect, and result is as follows: axial tension 350MPa; 2. the product section is observed without obvious bubble.
Claims (10)
1. for the horn interface of body coil cylindrical shell, comprise body (1), the one end is large mouthful circular (2), and the other end is circular osculum (3), it is characterized in that, the tube wall of described body (1) comprises compound successively skin (101), tamps layer (102) and enhancement Layer (103).
2. the horn interface for the body coil cylindrical shell according to claim 1, is characterized in that, described skin, tamps layer and the material of enhancement Layer is fiberglass;
Described tamping in layer, fortifying fibre are three-dimensional sandwich fibrous elasticity cloth, and the sandwich fiber of described three-dimensional is alkali-free glass fibre.
3. the horn interface for the body coil cylindrical shell according to claim 1, is characterized in that, in described skin and enhancement Layer, fortifying fibre is that 40 gram surface felts, 450 gram needled mats, 400 gram composite felt or 400 gram multiaxises are to Compound Fabric.
4. the horn interface for the body coil cylindrical shell according to claim 2, is characterized in that, in described skin and enhancement Layer, fortifying fibre is that 40 gram surface felts, 450 gram needled mats, 400 gram composite felt or 400 gram multiaxises are to Compound Fabric.
5. according to the described horn interface for the body coil cylindrical shell of claim 1～4 any one, it is characterized in that, the thickness of outer (101) is 1～2mm; The thickness that tamps layer (102) is 10～14mm; The thickness of enhancement Layer (103) is 3～4mm.
6. the horn interface for the body coil cylindrical shell according to claim 5, is characterized in that, the tube wall of described body (1) is arc surface, and radius R is 500～600mmm; The ratio of the diameter of large mouthful (2) and the diameter of osculum (3) is: the diameter of large mouthful (2): the diameter of osculum (3)=1.2～1.4: 1.
7. the horn interface for the body coil cylindrical shell according to claim 5, is characterized in that, the tube wall of described body (1) also comprises the second enhancement Layer (104) that is compounded in enhancement Layer (103) one sides.
8. the horn interface for the body coil cylindrical shell according to claim 7, is characterized in that, the tube wall of described body (1) also comprises the 3rd enhancement Layer (105) that is compounded in the second enhancement Layer (104) one sides.
9. according to the preparation method of the described horn interface for the body coil cylindrical shell of claim 1～8 any one, it is characterized in that, comprising the steps: first successively will be multiple at internal mold for the fortifying fibre of enhancement Layer, the sandwich glass fibre elastical cloth of three-dimensional that tamps layer and outer field fortifying fibre paving, then press external mold, evacuation, then enhancing perfusion resin and curing agent mixture, the perhaps mixture of enhancing perfusion resin, firming agent and promoter, solidify, can obtain described horn interface for the body coil cylindrical shell.
10. method according to claim 9, it is characterized in that being evacuated to vacuum and be-0.01～-0.02MPa, the pressure of perfusion resin is 0.1MPa～0.2MPa; Solidification temperature is 60～80 ℃, and be 1～2 hour hardening time; The weight consumption of resin is fiber cloth and three-dimensional sandwich glass fibre elastical cloth gross weight 1～2 times; The firming agent weight consumption is 30～50% of resin; The promoter weight consumption is 0.2～1% of resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306755XA CN103405233A (en) | 2013-07-19 | 2013-07-19 | Horn connector for body coil barrel and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306755XA CN103405233A (en) | 2013-07-19 | 2013-07-19 | Horn connector for body coil barrel and manufacturing method thereof |
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| CN103405233A true CN103405233A (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310306755XA Pending CN103405233A (en) | 2013-07-19 | 2013-07-19 | Horn connector for body coil barrel and manufacturing method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4713641A (en) * | 1986-04-14 | 1987-12-15 | U.S. Philips Corporation | Electromagnetic deflection unit |
| CN1187025A (en) * | 1996-12-12 | 1998-07-08 | 株式会社东芝 | Deflection system device |
| CN101593597A (en) * | 2009-04-03 | 2009-12-02 | 中国科学院电工研究所 | The stress support ring and the installation method of highfield superconducting solenoid coil |
| CN201398968Y (en) * | 2009-04-10 | 2010-02-10 | 西门子迈迪特(深圳)磁共振有限公司 | Body coil support tube |
| CN203458382U (en) * | 2013-07-19 | 2014-03-05 | 钮光耀 | Horn connector for body coil cylinder |
-
2013
- 2013-07-19 CN CN201310306755XA patent/CN103405233A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4713641A (en) * | 1986-04-14 | 1987-12-15 | U.S. Philips Corporation | Electromagnetic deflection unit |
| CN1187025A (en) * | 1996-12-12 | 1998-07-08 | 株式会社东芝 | Deflection system device |
| CN101593597A (en) * | 2009-04-03 | 2009-12-02 | 中国科学院电工研究所 | The stress support ring and the installation method of highfield superconducting solenoid coil |
| CN201398968Y (en) * | 2009-04-10 | 2010-02-10 | 西门子迈迪特(深圳)磁共振有限公司 | Body coil support tube |
| CN203458382U (en) * | 2013-07-19 | 2014-03-05 | 钮光耀 | Horn connector for body coil cylinder |
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Application publication date: 20131127 |