CN109507621A - A kind of shielding cloth electromagnetic shielding room MRI - Google Patents
A kind of shielding cloth electromagnetic shielding room MRI Download PDFInfo
- Publication number
- CN109507621A CN109507621A CN201910050943.8A CN201910050943A CN109507621A CN 109507621 A CN109507621 A CN 109507621A CN 201910050943 A CN201910050943 A CN 201910050943A CN 109507621 A CN109507621 A CN 109507621A
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- China
- Prior art keywords
- shielding
- cloth
- house
- mri
- shielding cloth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/42—Screening
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a kind of MRI shielding cloth shielding houses, belong to the field Magnetic resonance imaging (MRI), including for shielding the shielding cloth interfered, the shielding house frame for supporting shielding cloth, being located at the positive observation window of shielding house, be located at shielding house or so the symmetrically arranged waveguide window in two sides and be located at the subsequent conductive plate of shielding house.The shielding cloth is four-layer structure, and outer layer is outer layer protection cloth, and intermediate two layers is shielding cloth, and internal layer is internal layer protective cloth.The frame material of the support shielding cloth is non-permeable material, the shielding house frame provides the molding structure of shielding cloth, the observation window is located at face station position, and the conductive plate circulates for connecting route inside and outside shielding house, the waveguide window for shielding house inner air and outer air.The features such as present invention has flexible, light weight, safe and reliable, is easily installed carrying and disassembly, is suitable for fixed and mobile MRI machine working environment, can effectively inhibit the normal work of MRI machine in the interference and guard shield cloth of extraneous electronic equipment.
Description
Technical field
The present invention relates to the magnetic resonance imaging field (MRI) more particularly to a kind of shielding cloth electromagnetism of removable magnetic resonance
Shielding house.
Background technique
Shielding house be MRI imaging in chief component, existing shielding house be welded by copper sheet it is assembled, then with non-
Magnetic conductive frame supports copper sheet, also needs production interior trim.One side argon arc welding has damage worker's body, another aspect copper sheet and shielding
Room frame is fixed difficult, and complex manufacturing technology is difficult to install, and fabrication cycle is long.
Summary of the invention
The object of the present invention is to provide a kind of shielding cloth to be electromagnetically shielded room, and it is multiple to solve existing MRI shielding house manufacture craft
Problem miscellaneous, difficult to install, fabrication cycle is long, while reaching the service performance of existing MRI shielding house, and be not limited to existing fixation
The application of formula shielding house is also applied for the application of mobile MRI machine.
To achieve the above object, the present invention provides a kind of shielding cloth to be electromagnetically shielded room, including for shielding interference
Shielding cloth ontology, the shielding house frame for supporting shielding cloth ontology are located at the positive observation window of shielding house, positioned at shielding house or so two
The symmetrically arranged waveguide window in face and be located at the subsequent conductive plate of shielding house.
Preferably, the shielding cloth ontology is four-layer structure, and outer layer is outer layer protection cloth, and intermediate two layers is shielding cloth, interior
Layer is internal layer protective cloth.
Preferably, the shielding cloth material is the fabric that terylene and filamentary silver form, and shield effectiveness is greater than 80dB.
Preferably, the shielding house front is controlled opening by magic tape there are the channel of patient and operation technician's disengaging
And closure.
Preferably, the observation window is made using the red copper net and brass sheet of 80 mesh, observes shielding for operator
Situation in room.
Preferably, the conductive plate is made of brass sheet, and there are corresponding power-supply filter, gradient filter, illumination filtering
The through-hole that device, respiration gate control, ground wire and signal wire isoelectric line or fluid flow through realizes the connection of outer fluid in shielding house.
Preferably, the waveguide window is welded by the stainless (steel) wire and stainless steel angle of 20 mesh, is used for indoor and outdoor air
Circulation and holding indoor temperature and humidity are in required range.
Preferably, the shielding cloth is fixed with shielding house frame by non-magnetic screw.
The utility model has the advantages that
Using the shielding cloth ontology from the appearance as general fibre cloth, various sizes and shape can be made into
Shape, flexible, light weight, it is safe and reliable, be easily installed carrying and disassembly, and reach the use of existing MRI shielding house simultaneously
Performance, and it is not limited to the application in existing fixed shielding room, it is also applied for the application of mobile MRI machine.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is a kind of MRI of present invention shielding cloth shielding house positive structure schematic.
Fig. 2 is a kind of MRI of present invention shielding cloth shielding house left side structural schematic diagram.
Fig. 3 is structural schematic diagram behind a kind of MRI of present invention shielding cloth shielding house.
Fig. 4 is a kind of MRI of present invention shielding cloth shielding house above structure schematic diagram.
Specific embodiment
With reference to the accompanying drawing, embodiments of the present invention are described further.
Fig. 1 is a kind of MRI of present invention shielding cloth shielding house positive structure schematic, and Fig. 2 is that a kind of MRI of the present invention is used
Cloth shielding house left side structural schematic diagram is shielded, Fig. 3 is a kind of MRI of present invention shielding cloth shielding house, and Fig. 4 is the present invention one
Kind MRI shielding cloth shielding house above structure schematic diagram.As shown, a kind of MRI shielding cloth shielding house, including be used for
The shielding cloth ontology for shielding interference, is located at the positive observation window of shielding house, is located at screen the shielding house frame for supporting shielding cloth ontology
It covers the symmetrically arranged waveguide window in room or so two sides and is located at the subsequent conductive plate of shielding house.
Shielding cloth ontology is four-layer structure, and outermost layer is outer layer protection cloth, and intermediate two layers is shielding cloth, and internal layer is internal layer guarantor
Cloth is protected, ectonexine protective cloth material is speciality nylon, and it is waterproof ventilative, and outer layer protection cloth can select different figures according to place
Case is to adapt to varying environment, and intershield cloth is the fabric that terylene and filamentary silver form, and shield effectiveness is greater than 80dB.
When building, first shielding house frame is fixed on place, shielding cloth ontology is covered on shielding house frame, use is non-
Magnetic conductivity screw is fixed.Shielding house front there are for patient and operation technician disengaging channel, by magic tape come
Control opening and closing.Its front there are observation window be made using the red copper net and brass sheet of 80 mesh, observation window is main
Situation in shielding house is observed for operator, observes and combines closely between window edge and shielding cloth.Its left and right two sides is symmetrical arranged
There is waveguide window, waveguide window is welded by the stainless (steel) wire and stainless steel angle of 20 mesh, and waveguide window is mainly used for indoor and outdoor air
In required range, waveguide window edge is combined closely with shielding cloth for circulation and holding indoor temperature and humidity.The biography being arranged behind
Guide plate is made of brass sheet, on conductive plate there are corresponding power-supply filter, gradient filter, illumination filter, respiration gate control,
The through-hole that ground wire and signal wire isoelectric line or fluid pass through, conductive plate are mainly used for realizing the connection of outer fluid in shielding house, pass
It combines closely between guide plate and shielding cloth.
MRI provided by the invention shielding cloth shielding house using flexible, light weight, it is safe and reliable, be easily installed and
The shielding cloth of disassembly can reach the service performance of existing MRI shielding house as shielding material, and be not limited to existing fixed screen
The application for covering room is also applied for the application of mobile MRI machine.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although technical solution of the present invention is described in detail referring to preferred embodiment, those of ordinary skill of the invention should
Understand: it still can be with modification or equivalent replacement of the technical solution of the present invention are made, and these are modified or equivalent replacement
Also modified technical solution cannot be made to be detached from the spirit and scope of technical solution of the present invention.
Claims (9)
1. a kind of MRI shielding cloth shielding house, it is characterised in that: including shielding cloth ontology, the support screen for shielding interference
Cover the shielding house frame of cloth, be located at the positive observation window of shielding house, be located at shielding house or so the symmetrically arranged waveguide window in two sides and
Positioned at the subsequent conductive plate of shielding house.
2. a kind of MRI according to claim 1 shielding cloth shielding house, it is characterised in that: the shielding cloth ontology is
Four-layer structure, outer layer are outer layer protection cloth, and intermediate two layers is shielding cloth, and internal layer is internal layer protective cloth.
3. a kind of MRI according to claim 1 shielding cloth shielding house, it is characterised in that: the shielding cloth material is
The fabric of terylene and filamentary silver composition, shield effectiveness are greater than 80dB.
4. a kind of MRI according to claim 1 shielding cloth shielding house, it is characterised in that: stay in the shielding house front
There is patient and operate the channel of technician's disengaging, opening and closing are controlled by magic tape.
5. a kind of MRI according to claim 1 shielding cloth shielding house, it is characterised in that: the shielding frame material
For non-magnet material.
6. a kind of MRI according to claim 1 shielding cloth shielding house, it is characterised in that: the observation window uses 80
Purpose red copper net and brass sheet are made, and observe situation in shielding house for operator.
7. a kind of MRI according to claim 1 shielding cloth shielding house, it is characterised in that: the conductive plate is by brass
Plate is made, there are corresponding power-supply filter, gradient filter, illumination filter, respiration gate control, ground wire and signal wire isoelectric line or
The through-hole that fluid flows through realizes the connection of outer fluid in shielding house.
8. a kind of MRI according to claim 1 shielding cloth shielding house, it is characterised in that: the waveguide window is by 20 mesh
Stainless (steel) wire and stainless steel angle be welded, for indoor and outdoor air circulate and keep indoor temperature and humidity in required range
It is interior.
9. a kind of MRI according to claim 1 shielding cloth shielding house, it is characterised in that: the shielding cloth and shielding
Room frame is fixed by non-magnetic screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910050943.8A CN109507621A (en) | 2019-01-21 | 2019-01-21 | A kind of shielding cloth electromagnetic shielding room MRI |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910050943.8A CN109507621A (en) | 2019-01-21 | 2019-01-21 | A kind of shielding cloth electromagnetic shielding room MRI |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109507621A true CN109507621A (en) | 2019-03-22 |
Family
ID=65758133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910050943.8A Pending CN109507621A (en) | 2019-01-21 | 2019-01-21 | A kind of shielding cloth electromagnetic shielding room MRI |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109507621A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470912A (en) * | 2019-09-11 | 2019-11-19 | 中国科学院新疆天文台 | A kind of lightning protection, ground connection shield integrated wave environments monitoring tower |
| CN115515410A (en) * | 2022-09-28 | 2022-12-23 | 北京航空航天大学 | Light-weight magnetic shielding room based on iron-based amorphous material |
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| US20040148901A1 (en) * | 2003-02-04 | 2004-08-05 | Cadogan David P. | Inflatable rigidizable boom |
| CN107743740B (en) * | 2003-07-11 | 2008-07-30 | 天津新技术产业园区中加科技发展有限公司 | military electromagnetic shielding tent |
| CN101994415A (en) * | 2010-09-14 | 2011-03-30 | 安方高科信息安全技术(北京)有限公司 | Electromagnetic shielding tent |
| CN201818103U (en) * | 2010-09-14 | 2011-05-04 | 安方高科信息安全技术(北京)有限公司 | Electromagnetic shielding tent |
| CN206110731U (en) * | 2016-08-01 | 2017-04-19 | 中国人民武装警察部队总医院 | Shielding compartment |
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2019
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040148901A1 (en) * | 2003-02-04 | 2004-08-05 | Cadogan David P. | Inflatable rigidizable boom |
| CN107743740B (en) * | 2003-07-11 | 2008-07-30 | 天津新技术产业园区中加科技发展有限公司 | military electromagnetic shielding tent |
| CN101994415A (en) * | 2010-09-14 | 2011-03-30 | 安方高科信息安全技术(北京)有限公司 | Electromagnetic shielding tent |
| CN201818103U (en) * | 2010-09-14 | 2011-05-04 | 安方高科信息安全技术(北京)有限公司 | Electromagnetic shielding tent |
| CN206110731U (en) * | 2016-08-01 | 2017-04-19 | 中国人民武装警察部队总医院 | Shielding compartment |
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| 第四届功能性纺织品及纳米技术研讨会组委会: "《第四届功能性纺织品及纳米技术研讨会论文集》", 《第四届功能性纺织品及纳米技术研讨会》 * |
| 莫誉铭等: "《电磁屏蔽方舱结构工艺设计综述》", 《电子产品可靠性与环境试验》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470912A (en) * | 2019-09-11 | 2019-11-19 | 中国科学院新疆天文台 | A kind of lightning protection, ground connection shield integrated wave environments monitoring tower |
| CN115515410A (en) * | 2022-09-28 | 2022-12-23 | 北京航空航天大学 | Light-weight magnetic shielding room based on iron-based amorphous material |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190322 |
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