CN206571345U - A kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door - Google Patents
A kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door Download PDFInfo
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- CN206571345U CN206571345U CN201720220347.6U CN201720220347U CN206571345U CN 206571345 U CN206571345 U CN 206571345U CN 201720220347 U CN201720220347 U CN 201720220347U CN 206571345 U CN206571345 U CN 206571345U
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Abstract
A kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door, it is characterized in that including door leaf copper frame (7) and doorframe copper frame (8), air pressure shield assembly is provided between door leaf copper frame (7) and doorframe copper frame (8)；The air pressure shield assembly includes：Finger-type reed (9), resilient underwire (10), force transmission element (11) and minitype cylinder (14), force transmission element (11) is tubulose, the position of finger-type reed (9) contact is provided with resilient underwire (10), finger-type reed (9) is end to end continuous strip, it is fixed between doorframe copper frame (8) and door leaf copper frame (7), finger-type reed (9) is made up of the conductive material for possessing elasticity, it is the preferable renewal product that existing squash type copper section bar shields soundproof door that high-performance of the present utility model for MRI screened rooms, which is opened flat air pressure shielding soundproof door, overcome many disadvantages and disadvantage of existing vertical hinged door, its novelty is shown, creative and practicality.
Description
Technical field
The utility model is related to electromagnetic shielding field, be a kind of high-performance for MRI screened rooms be opened flat air pressure shielding every
Sound door.Specifically a kind of switch easily has superpower electromagnet shield effect and the vertical hinged door of sound insulation as house door.
Background technology
MRI screened rooms apply to the radio shielding of permanent magnetism and superconduction nuclear magnetic resonance equipment, prevent external electromagnetic field from disturbing
The normal work of NMRS imager (MRI), while suppressing the extraneous instrument and equipment of magnetic field exposure influence that MRI is produced
Normal work.
The slot leakage of screened room determines shield effectiveness, and the function of shielding soundproof door is that the leakage in solution activity gap is asked
Topic, its performance greatly influences the efficiency of screened room.Existing high-performance air pressure shielding soundproof door is a kind of parallel-moving type shielding sound insulation
Door, is not suitable for MRI screened rooms, because there are safety risks：When quenching, door is difficult to open.Not yet have for nuclear-magnetism at present
The MRI that resonates shields the air pressure vertical hinged door of computer room.
There is following defect in the manual vertical hinged door of existing MRI screened rooms：
(1) shielding construction is that squash type reed, i.e. door leaf are shielded with the movable gap of doorframe using finger-type reed, shield effectiveness
The deformation extent of reed is depended primarily on, deformation extent is bigger, and extruding force is bigger, the service life of door is shorter, switched more laborious！
Conversely, switch is laborsaving, shield effectiveness is then lower！It can not meet use requirement and the demand of client.
(2) finger-type reed is chronically at forced compression state, and elasticity can be reduced, after plastic deformation contact significantly under
Drop, ordinary circumstance useful life was not over 3 years.The Quality Down of soundproof door is shielded, causes the decline of screened room shield effectiveness,
Necessarily cause image resolution ratio to decline fuzzy, greatly affected the use quality of magnetic resonance equipment, user can be misinterpreted as magnetic and be total to
The equipment quality that shakes is deteriorated, and makes us being entangled with vexatious, have impact on the reputation and income of hospital！
(3) fault rate is high in use, for example：Reed is damaged, and door leaf deformation, hinge deformation, switch gate is laborious, shield effectiveness
Decline/unstable, poor quality images etc..
(4) the finger-type reed pressure of existing structure is unadjustable, can guarantee that certain shield effectiveness, certainly will change spring
Piece, increases maintenance cost, while also having influence on the normal earning of hospital.
The content of the invention
The purpose of this utility model is that providing a kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door,
A kind of novel, high performance, high-grade air pressure that is opened flat, which is provided, for MRI nuclear magnetic resonance screened rooms shields soundproof door.Maximum journey
The shield effectiveness of degree lifting MRI radio-frequency shield rooms and the use demand for meeting medical personnel.
The technical solution of the utility model is：
A kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door, including door leaf copper frame (7) and doorframe copper frame
(8) air pressure shield assembly, is provided between door leaf copper frame (7) and doorframe copper frame (8)；The air pressure shield assembly includes：Finger-type spring
Piece (9), resilient underwire (10), force transmission element (11) and minitype cylinder (14), force transmission element (11) are bar-shaped, remaining finger-type reed (9)
The position of contact is provided with resilient underwire (10), and finger-type reed (9) is end to end continuous strip, is fixed on doorframe copper frame
(8) between door leaf copper frame (7), finger-type reed (9) is made up of the conductive material for possessing elasticity, and the minitype cylinder (14) is installed
Internal in doorframe copper frame (8), the piston boit of minitype cylinder (14) passes through force transmission element (11), resilient underwire (10) and finger-type reed
(9) it is electrically connected with door leaf copper frame (7)；Car, personnel's turnover for convenience, the high-performance for MRI screened rooms is opened flat
Air pressure shielding soundproof door also includes being located at the copper threshold (16) below door leaf copper frame (7), and the copper threshold (16) is with slope
Copper threshold, door leaf copper frame (7) and copper threshold (16) are realized by the copper threshold reed (15) being arranged on door leaf copper frame (7)
After electrical connection, door-closing in-place, switch connection starts valve, and door leaf copper frame (7) and doorframe copper are realized in minitype cylinder (14) action
The shielding connection of frame (8).
Cylinder breather pipe is communicated with the minitype cylinder (14), cylinder breather pipe is connected with supporting air pump, and air pump is adopted
Use mute type air pump.
Finger-type reed (9) section is L-shaped, and its one end is fixed on doorframe copper frame (8) by press strip (12), screw (13)
Interior, the other end is free state, when minitype cylinder (14) is acted, makes finger-type reed by force transmission element (11) and resilient underwire (10)
(9) deformation is arched upward, and is pressed door leaf copper frame (7) and is realized shielding connection.
Described to be opened flat after air pressure shielding soundproof door, door-closing in-place, switch connection starts valve, and minitype cylinder (14) is acted,
Realize that door leaf copper frame (7) and the shielding of doorframe copper frame (8) are connected.
The door leaf copper frame (7) holds belt switch handle (20) provided with belt switch handle (20) during enabling, will be automatic
Deflate, reset minitype cylinder (14), finger-type reed (9) departs from door leaf copper frame (7), form gap, realize and easily open the door.
On the door leaf copper frame (7) shock absorption strip (17), door leaf copper frame are additionally provided with doorframe copper frame (8) non-electrical contact site
(7) sound-insulation strip (18) is additionally provided with copper threshold (16) non-electrical contact site, shock absorption strip (17) and sound-insulation strip (18) have slow
Rush defening effect.
There is the design of insulating noise on the door leaf copper frame (7), when machine operation frequency is 800-5000Hz, height is used
Precision sound level meter is measured, noise suppression value R >=40dB.
It is connected between the doorframe copper frame (8) and door leaf copper frame (7) by hinge (19), the one of the hinge pair of hinge (19)
Individual to be bolted on doorframe copper frame (8), another two is bolted on door leaf copper frame (7), and the center of several hinges (19) exists
On same straight line；Hinge is distributed for not decile.
The door leaf copper frame (7) is provided with the inside and outside two sides door leaf being made up of multi-layer sheet (2), and multi-layer sheet (2) is provided with screen
Cover to be equipped with the outside of copper foil (5), inside and outside two sides door leaf between door skin (1), inside and outside two sides door leaf and be provided with felt (3) and rubber
Space is provided between mould plate (4), inside and outside two sides door leaf.
It is described to be opened flat air pressure shielding soundproof door, mechanical/electrical door lock is set, it is inside and outside switchable and have display, prevent from missing
Operation, it is ensured that non-working time security.
The door leaf copper frame (7) for being opened flat air pressure shielding soundproof door uses shielding material with doorframe copper frame (8)：It is copper, stainless
Steel, zinc-plated or aluminum-zinc alloy.
The beneficial effects of the utility model are：
1st, it is existing squash type copper type that the high-performance of the present utility model for MRI screened rooms, which is opened flat air pressure shielding soundproof door,
Material shields the preferable renewal product of soundproof door, overcomes many disadvantages and disadvantage of existing vertical hinged door.
2nd, it is MRI radio-frequency shield rooms that the high-performance of the present utility model for MRI screened rooms, which is opened flat air pressure shielding soundproof door,
Most critical position, be also determine screened room efficiency key！High-tech electromagnetic shielding soundproof door is realized to Household door, anti-
The conversion of door is stolen, reaches that switch is convenient, laborsaving, quick, efficient.It is a great breakthrough in electromagnetic shielding field, is once
It is subversive to create.
3rd, the high-performance of the present utility model for MRI screened rooms is opened flat air pressure and shields soundproof door so that the work of finger-type reed
Make state, pneumatic concora crush is transformed into by extrusion friction, without using air bag, service life is increased substantially, and Acceptable life can
Improve more than 5 times (as cylinder life-span more than hundred million times), solve aging gas leakage, pressure inequality, performance is unstable etc. to ask
Topic, it is stable and reliable in work, and shield effectiveness can be improved by adjusting air pressure, it is more suitable for the use environment of hospital.
4th, the high-performance of the present utility model for MRI screened rooms is opened flat air pressure shielding soundproof door and ensure that wide-band
The shield effectiveness of (10KHz-10GHz), not only meets the technical requirements of magnetic nuclear resonance radio frequency screened room, moreover it is possible to meet other high property
The requirement of energy screened room.
5th, the high-performance of the present utility model for MRI screened rooms be opened flat air pressure shielding soundproof door install, using, maintenance pole
Its is simple and convenient, quick, without professional person, significantly saves cost；There is the high distinguishing feature of cost performance simultaneously.To client
Create more values！
6th, the high-performance of the present utility model for MRI screened rooms be opened flat air pressure shielding soundproof door be it is a kind of it is high-grade,
Novel shielding soundproof door, not only shield effectiveness is excellent, and with outstanding defening effect, finishing material is multinomial optional, is applicable
It is in extensive range.
7th, the high-performance of the present utility model for MRI screened rooms is opened flat air pressure shielding soundproof door and realizes copper section bar, real
Standardization, seriation, new production model are applied, its economic benefit is also very prominent, and profit margin is not less than 50%.
8th, it is high-performance gas of new generation that the high-performance of the present utility model for MRI screened rooms, which is opened flat air pressure shielding soundproof door,
Dynamic freedom from repairs radio frequency seal system, more conforms to the specific condition requirement of hospital, and medical worker operating habit！
9th, there is the design of insulating noise, frequency 800-5000Hz (machine operation frequencies on door leaf copper frame of the present utility model
Rate) when, measured using high-precision sound level meter, noise suppression value R >=40dB.
10th, it is of the present utility model to be opened flat air pressure shielding soundproof door, various mechanical/electrical door locks can be set, it is inside and outside to open
Guan Bingyou is shown, prevents maloperation, it is ensured that non-working time security.
Brief description of the drawings
Fig. 1 is shielding soundproof door overall structure diagram of the present utility model.
Fig. 2 be shielding soundproof door opening when along along Fig. 1 A-A directions sectional view.
Fig. 3 be shielding sound insulation door closure state when along along Fig. 1 A-A directions sectional view.
Fig. 4 B-B directions sectional views along along Fig. 1.
In figure：1st, door skin, 2, multi-layer sheet, 3, felt, 4, rubber and plastic boards, 5, shielding copper foil, 6, space, 7, door leaf copper
Frame, 8, doorframe copper frame, 9, finger-type reed, 10, resilient underwire, 11, force transmission element, 12, press strip, 13, screw, 14, minitype cylinder,
15th, copper threshold reed, 16, copper threshold, 17, shock absorption strip, 18, sound-insulation strip, 19, hinge, 20, belt switch handle.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings：
As shown in Figure 1 to Figure 4, a kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door, including door leaf copper frame
(7) air pressure shield assembly and doorframe copper frame (8), is provided between door leaf copper frame (7) and doorframe copper frame (8)；The air pressure shielding group
Part includes：Finger-type reed (9), resilient underwire (10), force transmission element (11) and minitype cylinder (14), force transmission element (11) to be bar-shaped, its
The position of remaining finger-type reed (9) contact is provided with resilient underwire (10), and finger-type reed (9) is end to end continuous strip, Gu
It is scheduled between doorframe copper frame (8) and door leaf copper frame (7), finger-type reed (9) is made up of the conductive material for possessing elasticity, described miniature
Cylinder (14) is arranged on doorframe copper frame (8) inside, and the piston boit of minitype cylinder (14) passes through force transmission element (11), resilient underwire (10)
It is electrically connected with finger-type reed (9) and door leaf copper frame (7)；Car, personnel's turnover for convenience, it is described for MRI screened rooms
High-performance, which is opened flat air pressure shielding soundproof door, also to be included being located at the copper threshold (16) below door leaf copper frame (7), the copper threshold (16)
For with sloping copper threshold, door leaf copper frame (7) and copper are realized by the copper threshold reed (15) being arranged on door leaf copper frame (7)
After the electrical connection of threshold (16), door-closing in-place, switch connection starts valve, and door leaf copper frame is realized in minitype cylinder (14) action
(7) shielding with doorframe copper frame (8) is connected.
Cylinder breather pipe is communicated with the minitype cylinder (14), cylinder breather pipe is connected with supporting air pump, and air pump is adopted
Use mute type air pump.
Finger-type reed (9) section is L-shaped, and its one end is fixed on doorframe copper frame (8) by press strip (12), screw (13)
Interior, the other end is free state, when minitype cylinder (14) is acted, makes finger-type reed by force transmission element (11) and resilient underwire (10)
(9) deformation is arched upward, and is pressed door leaf copper frame (7) and is realized shielding connection.
It is described to be opened flat air pressure shielding soundproof door, set after door closer door-closing in-place, switch connection starts valve, minitype cylinder
(14) act, realize that door leaf copper frame (7) and the shielding of doorframe copper frame (8) are connected.
The door leaf copper frame (7) holds belt switch handle (20) provided with belt switch handle (20) during enabling, will be automatic
Deflate, reset minitype cylinder (14), finger-type reed (9) departs from door leaf copper frame (7), form gap, realize and easily open the door.
On the door leaf copper frame (7) shock absorption strip (17), door leaf copper frame are additionally provided with doorframe copper frame (8) non-electrical contact site
(7) sound-insulation strip (18) is additionally provided with copper threshold (16) non-electrical contact site, shock absorption strip (17) and sound-insulation strip (18) have slow
Rush defening effect.
There is the design of insulating noise on the door leaf copper frame (7), when machine operation frequency is 800-5000Hz, height is used
Precision sound level meter is measured, noise suppression value R >=40dB.
It is connected between the doorframe copper frame (8) and door leaf copper frame (7) by hinge (19), the one of the hinge pair of hinge (19)
Individual to be bolted on doorframe copper frame (8), another two is bolted on door leaf copper frame (7), and the center of several hinges (19) exists
On same straight line；Hinge is distributed for not decile.
The door leaf copper frame (7) is provided with the inside and outside two sides door leaf being made up of multi-layer sheet (2), and multi-layer sheet (2) is provided with screen
Cover to be equipped with the outside of copper foil (5), inside and outside two sides door leaf between door skin (1), inside and outside two sides door leaf and be provided with felt (3) and rubber
Space is provided between mould plate (4), inside and outside two sides door leaf.
It is described to be opened flat air pressure shielding soundproof door, mechanical/electrical door lock is set, it is inside and outside switchable and have display, prevent from missing
Operation, it is ensured that non-working time security.
The door leaf copper frame (7) for being opened flat air pressure shielding soundproof door uses shielding material with doorframe copper frame (8)：It is copper, stainless
Steel, zinc-plated or aluminum-zinc alloy.
It is described to be opened flat air pressure shielding soundproof door, set after door closer door-closing in-place, switch connection starts valve, minitype cylinder
(14) act, realize that door leaf copper frame (7) and the shielding of doorframe copper frame (8) are connected.
The belt switch shakes hands (20), and belt switch handle (20) is held during enabling, will automatic deflation, minitype cylinder (14)
Reset, finger-type reed (9) departs from door leaf copper frame (7), form gap, easily open the door.
Described to be opened flat air pressure shielding soundproof door, its door leaf copper frame (7) is provided with shock absorption strip (17), and sound-insulation strip (18) has slow
Rush defening effect.Meanwhile, there is special isolation Noise Design on door leaf.
It is described to be opened flat air pressure shielding soundproof door, various mechanical/electrical door locks can be set, it is inside and outside to shut and have display,
Prevent maloperation.
The door leaf copper frame (7) for being opened flat air pressure shielding soundproof door uses shielding material with doorframe copper frame (8)：It is copper, no
Become rusty steel, zinc-plated or aluminum-zinc alloy.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New spirit and scope are defined, under the premise of the utility model design concept is not departed from, ordinary skill skill in this area
The all variations and modifications that art personnel make to the technical solution of the utility model, all should fall into protection model of the present utility model
Enclose, the claimed technology contents of the utility model have all been recorded in detail in the claims.
Claims (10)
1. a kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door, it is characterized in that including door leaf copper frame (7) and door
Frame copper frame (8), is provided with air pressure shield assembly between door leaf copper frame (7) and doorframe copper frame (8)；The air pressure shield assembly includes：
Finger-type reed (9), resilient underwire (10), force transmission element (11) and minitype cylinder (14)；Force transmission element (11) is tubulose, finger-type reed
(9) position of contact is provided with resilient underwire (10), and finger-type reed (9) is made up of the conductive material for possessing elasticity, and it is head and the tail phase
Continuous strip even, is fixed on doorframe copper frame (8) internal；The minitype cylinder (14) is arranged on doorframe copper frame (8) inside, micro-
The piston boit of type cylinder (14) is electrically connected by force transmission element (11), resilient underwire (10) and finger-type reed (9) and door leaf copper frame (7)
Connect；The high-performance for MRI screened rooms, which is opened flat air pressure shielding soundproof door, also includes being located at the copper door below door leaf copper frame (7)
Sill (16), the copper threshold (16) is, with sloping copper threshold, to be realized by the reed (15) being arranged on door leaf copper frame (7)
After the electrical connection of door leaf copper frame (7) and copper threshold (16), door-closing in-place, switch connection starts valve, and minitype cylinder (14) is moved
Make, realize that door leaf copper frame (7) and the shielding of doorframe copper frame (8) are connected.
2. a kind of high-performance for MRI screened rooms according to claim 1 is opened flat air pressure shielding soundproof door, its feature exists
In being communicated with cylinder breather pipe on the minitype cylinder (14), cylinder breather pipe is connected with supporting air pump, and air pump is using Jing Yin
Type air pump.
3. a kind of high-performance for MRI screened rooms according to claim 1 is opened flat air pressure shielding soundproof door, its feature exists
It is L-shaped in finger-type reed (9) section, its one end is fixed in doorframe copper frame (8) by press strip (12), screw (13), separately
One end is free state, when minitype cylinder (14) is acted, and finger-type reed (9) is become by force transmission element (11) and resilient underwire (10)
Shape arches upward, and presses door leaf copper frame (7) and realizes shielding connection.
4. a kind of high-performance for MRI screened rooms according to claim 1 is opened flat air pressure shielding soundproof door, its feature exists
In the door leaf copper frame (7) provided with belt switch handle (20), held during enabling belt switch handle (20), will automatic deflation,
Minitype cylinder (14) is resetted, finger-type reed (9) departs from door leaf copper frame (7), form gap, realized and easily open the door.
5. a kind of high-performance for MRI screened rooms according to claim 1 is opened flat air pressure shielding soundproof door, its feature exists
In being additionally provided with the door leaf copper frame (7) with doorframe copper frame (8) non-electrical contact site on shock absorption strip (17), door leaf copper frame (7)
Sound-insulation strip (18) is additionally provided with copper threshold (16) non-electrical contact site, with buffering defening effect.
6. a kind of high-performance for MRI screened rooms according to claim 1 is opened flat air pressure shielding soundproof door, its feature exists
In the design on the door leaf copper frame (7) with insulating noise, when machine operation frequency is 800-5000Hz, high-precision sound is used
Level meter measurement, noise suppression value R >=40dB.
7. a kind of high-performance for MRI screened rooms according to claim 1 is opened flat air pressure shielding soundproof door, its feature exists
It is connected between the doorframe copper frame (8) and door leaf copper frame (7) by hinge (19), a bolt of the hinge pair of hinge (19)
It is fixed on doorframe copper frame (8), another two is bolted on door leaf copper frame (7), the center of several hinges (19) is in same
On straight line；Hinge is distributed for not decile.
8. a kind of high-performance for MRI screened rooms according to claim 1 is opened flat air pressure shielding soundproof door, its feature exists
The inside and outside two sides door leaf being made up of multi-layer sheet (2) is provided with the door leaf copper frame (7), multi-layer sheet (2) is provided with shielding copper foil
(5), it is equipped with the outside of inside and outside two sides door leaf between door skin (1), inside and outside two sides door leaf and is provided with felt (3) and rubber and plastic boards
(4) space, is provided between inside and outside two sides door leaf.
9. a kind of high-performance for MRI screened rooms according to claim 1 is opened flat air pressure shielding soundproof door, its feature exists
Air pressure shielding soundproof door is opened flat in described, mechanical/electrical door lock is set, it is inside and outside switchable and have display, maloperation is prevented, is protected
Demonstrate,prove non-working time security.
10. a kind of high-performance for MRI screened rooms according to claim 1 is opened flat air pressure shielding soundproof door, its feature
It is that the door leaf copper frame (7) for being opened flat air pressure shielding soundproof door uses shielding material with doorframe copper frame (8)：Copper, stainless steel, plating
Zinc or aluminum-zinc alloy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720220347.6U CN206571345U (en) | 2017-03-08 | 2017-03-08 | A kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720220347.6U CN206571345U (en) | 2017-03-08 | 2017-03-08 | A kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door |
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| CN206571345U true CN206571345U (en) | 2017-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106801561A (en) * | 2017-03-08 | 2017-06-06 | 李志珍 | A kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801561A (en) * | 2017-03-08 | 2017-06-06 | 李志珍 | A kind of high-performance for MRI screened rooms is opened flat air pressure shielding soundproof door |
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