CN210105675U - Safe nuclear magnetic resonance shielding door access device - Google Patents
Safe nuclear magnetic resonance shielding door access device Download PDFInfo
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- CN210105675U CN210105675U CN201920227928.1U CN201920227928U CN210105675U CN 210105675 U CN210105675 U CN 210105675U CN 201920227928 U CN201920227928 U CN 201920227928U CN 210105675 U CN210105675 U CN 210105675U
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- door
- shielding
- magnetic resonance
- nuclear magnetic
- shielding door
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Abstract
The utility model relates to a safe nuclear magnetic resonance shielding door inhibition device, in the nuclear magnetic resonance operational environment, the key that shielding door inhibition device was considered is always to the protection of radio frequency radiation and the operation protection of nuclear magnetic resonance equipment, and the magnetic shielding door is a key part of magnetic shielding room design to be the movable part on the shielding room, its performance directly influences the magnetic shielding effectiveness of shielding room. Because the magnetic shielding environment is a relatively confined experimental environment, the shielding door both guarantees that equipment such as experimenters and experimental equipment can pass in and out the magnetic shielding environment, can not open a hole too big again and lead to the magnetic shielding effect to reduce. The utility model discloses a set up devices such as shield door, information recognition device, sign and integrated control platform and reached the security and the privacy that can guarantee nuclear magnetic resonance shielding room, fully considered the magnetic line of force that the magnet sent and the effect of factors influence such as external magnetic interference.
Description
The technical field is as follows:
the utility model relates to an access control system especially relates to a safe nuclear magnetic resonance shielding room entrance guard's device.
Background art:
in Magnetic Resonance Imaging (MRI) diagnosis and treatment, shielding is an important task that must be done, and a radio frequency unit composed of a transmitter and a receiver in an MRI system is an important component. The transmitter operates to generate RF pulses in the meter band of the electromagnetic spectrum, which interfere with nearby radios. On the other hand, the coil receives the power of the resonant signal in the order of nano watts, and is easy to be interfered. The magnet room must be fitted with an effective radio frequency shield and therefore a sufficiently good nuclear magnetic resonance shielding door access device is required.
The access control system is developed on the basis of the traditional door lock, and a common nuclear magnetic resonance shielding door control device has two structures, namely an assembled structure and a welded structure. The appearance of the two access control systems improves the management degree of people on the access and exit channels to a certain extent, so that the channel management enters the electronic era, but along with the continuous application of the two access control systems, the defects of the two access control systems are gradually exposed, the spliced access control system has the problems that the access control structure is easy to damage, the abrasion among all the parts is large, the failure rate is high, the safety coefficient is low, the welding access control system has the problems that the password is easy to leak, and the safety coefficient is very low after the password is not checked. Meanwhile, most of the password setting of the access control device in the period is combined with the control part together in a card reading or password inputting mode and is installed outside a door, so that the lock can be easily opened outdoors by people, and the conventional nuclear magnetic resonance shielding door access device system is still in an early immature stage and is not widely applied.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses take following scheme:
a safe nuclear magnetic resonance shielding door access device is provided with a shielding door, an information recognition device, a sign and a comprehensive control console, wherein the shielding door is divided into a surface A and a surface B, the shielding door comprises a rectangular supporting frame, a door plate, an observation window, an inner handle and an outer handle, the supporting frame is positioned in a wall body, the door plate is in a long rectangular shape, the door plate is connected with the supporting frame through hinges, the sign is arranged in the wall body on the upper part of the surface A of the shielding door, the sign is in data connection with the comprehensive control console, the observation window is arranged on the upper part of the surface A of the shielding door, 2 outer handles are arranged on the surface A of the shielding door, the outer handles are symmetrically arranged in the middle of the surface A of the shielding door, the information recognition device is arranged in the middle of the surface A of the shielding door, and the information recognition device is electrically connected with the shielding door, the information identification device is in data connection with the integrated console;
the integrated control platform is located in the wall body of shield door B face, integrated control platform and automatically controlled lock electric connection, automatically controlled lock sets up at the door plant left end face, outside handle has 2, inside handle symmetry sets up in shield door B face middle part, emergency opening \ blocking device sets up in shield door B face upper portion.
Two sides of the surface B of the shielding door are provided with 2 grooves, and each groove is internally provided with a reed;
the safe nuclear magnetic resonance shielding door control device is provided with a standby power supply, the standby power supply is arranged in a machine room far away from a shielding door, and the standby power supply is respectively electrically connected with a comprehensive control console, an information recognition device and a sign.
The door plate is further improved in that three radio frequency radiometric detection calibration devices are arranged inside the door plate and are in data connection with the comprehensive control console.
The further improvement lies in that a metal detection alarm device is arranged on the end face of the side of the supporting frame.
The further improvement is that the upper part of the surface B of the shielding surface is provided with an emergency opening/locking device.
The further improvement is that the door panel comprises 3 layers made of different materials, including a B-side layer 12 made of copper wire mesh, a middle layer made of gypsum board and an A-side layer made of silicon steel sheets.
The improved door is characterized in that 5 groups of work indicating lamps are arranged in the middle of the A surface of the door plate in parallel, and 3 groups of work indicating lamps are arranged on the lower portion of the A surface of the door plate.
The further improvement lies in that an iris recognition module and a fingerprint recognition module are arranged in the information recognition device.
The utility model has the advantages that: the utility model discloses in the user use, can guarantee the security and the privacy of nuclear magnetic resonance shielding room, factor influences such as magnetic line of force and external magnetic interference that the magnet sent have fully been considered, except corresponding shielding measure that takes and for dealing with the computer lab emergence conflagration earthquake emergency such as and arranged measures such as affiliated facility simultaneously to magnetic field interference, still set up the requirement of information right of awareness and travelling comfort of parts such as observation window, sign, pilot lamp in order to satisfy disease and medical staff.
Drawings
FIG. 1 is a front view of the present invention
Figure 2 is a rear view of the present invention
FIG. 3 is a side view of the shield door of the present invention
FIG. 4 is a side view of the shield door of the present invention
Wherein: 1. the shielding door 2, the information recognition device 3, the comprehensive console 4, the supporting frame 5, the observation window 6, the indication board 7, the inner handle 8, the outer handle 9, the door plate 10, the metal detection alarm device 11, the radio frequency radiation measurement detection calibration device 12, the B side layer 13, the middle layer 14, the A side layer 15, the work indicator light 16, the A surface 17 and the B surface
18. Groove 19, emergency opening/locking device 20, lock hole 21 base
The specific implementation mode is as follows:
the technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
Example 1: all metal materials (including auxiliary materials) used on the novel nuclear magnetic resonance shielding room access control device need to be made of materials with good shielding effect on a magnetic field, an electric field and plane waves, and non-conductive materials (such as copper wires, silicon steel and gypsum) with certain rigidity. The observation window 5 is a double-layer mesh shield body which is provided with a layer of copper mesh and a layer of stainless steel mesh and is used for preventing electromagnetic radiation and radio frequency radiation. The power line and signal line entering the nuclear magnetic resonance shielding chamber pass through the filter plate, and the air inlet and the air return port pass through the corresponding waveguide tube. After the shielding project is finished, technical personnel of professional organizations are required to perform detection according to the national standard and are qualified in acceptance.
The door panel 9 is of a multilayer overlapping structure, and is sequentially provided with a radio frequency radiation prevention layer formed by a copper wire mesh, a sound insulation layer formed by gypsum and a radio frequency radiation dissipation layer formed by silicon steel sheets from the inner side to the outer side, the B side layer 12 is the radio frequency radiation prevention layer, the middle layer 13 is the sound insulation layer, and the A side layer 14 is the radio frequency radiation dissipation layer
The information recognition device (2) is provided with an iris recognition module and a fingerprint recognition module, and can recognize iris and fingerprint information of a person.
The shielding door 1 and the nuclear magnetic resonance device are arranged in an interlocking mode, and the nuclear magnetic resonance device can be operated only after the shielding door 1 is closed in place; during the irradiation experiment, the shield door 1 cannot be opened. If the radiation shielding door is opened accidentally, the shutter of the nuclear magnetic resonance device can be closed automatically immediately;
example 2: the safe nuclear magnetic resonance screening room access control device is provided with a screening door 1, an information recognition device 2, an indication board 6 and a comprehensive control console 3, wherein the screening door 1 is divided into an A surface 16 and a B surface 17, the screening door 1 comprises a rectangular support frame 4, a door plate 9, an observation window 5, an inner handle 7 and an outer handle 8, the support frame 4 is positioned in a wall body, the door plate is in a long rectangular shape, the door plate 9 is connected with the support frame 4 through a hinge, the indication board 6 is arranged in the wall body on the upper part of the A surface 16 of the screening door 1, the indication board 6 is in data connection with the comprehensive control console 3, the observation window 5 is arranged on the upper part of the A surface 16 of the screening door 1, the outer handles 8 are 2 and are arranged on the A surface 16 of the screening door 1, the outer handles 8 are symmetrically arranged in the middle of the A surface 16 of the screening door 1, the information recognition device 2 is arranged in the middle of the A surface 16 of the, the information identification device 2 is electrically connected with the shielding door 1, and the information identification device 2 is in data connection with the comprehensive console 3;
the integrated control platform 3 is located in the wall body of the 1B face 17 of the shield door, the integrated control platform 3 is electrically connected with the electric control door lock 12, the electric control door lock is arranged on the left end face of the door plate 9, the number of the external handles 7 is 2, the internal handles 7 are symmetrically arranged in the middle of the 1B face 17 of the shield door, and the emergency opening/locking device 19 is arranged on the upper portion of the 1B face 17 of the shield door.
The safe nuclear magnetic resonance shielding door access device is provided with a standby power supply, the standby power supply is arranged in a machine room far away from a shielding door 1, and the standby power supply is electrically connected with a comprehensive control console 3, an information recognition device 2 and an indication board 6 respectively.
The nuclear magnetic resonance shielding room shielding door 1 adopts two-point type hanging and manual push-pull type, two grooves are designed on the inner side of the door, a reed 18 is arranged in each groove, the contact surface of the shielding door 1 and the supporting frame 4 is inserted into a door frame groove by sealing knives around the shielding door 1 to extrude two rows of reeds 18, and shielding materials, namely silicon steel sheets and copper meshes, are embedded in the contact surface, so that the requirements of shielding static magnetic fields and alternating-current interference magnetic fields are met.
The pilot lamp 15 that shielding door 1A face 16 set up is the LED lamp, can send the light of different colours according to the different operating condition of nuclear magnetic resonance device, and different pilot lamps 15 indicate the different operating condition of nuclear magnetic resonance device, connect stand-by power supply simultaneously, when the outage of nuclear magnetic resonance shielding room, can rely on stand-by power supply to provide electric power.
The support frame 3 has square corners, a top, a bottom and symmetrical sides.
The emergency opening/locking device 9 comprises a push rod assembly, a rigid base 21 arranged at the upper edge of the door panel 9, a contact member 22 used for approaching or departing from the supporting frame 4, and a rubber buffer arranged between the base 21 and the contact member 22, wherein the contact member 22 is connected with a control member 23 through a bolt, a lock hole 24 is arranged in the supporting frame 4, the control member 23 is relatively parallel to the lock hole 24, and the control member 23 can be inserted into or withdrawn from the lock hole 24.
Claims (7)
1. A safe nuclear magnetic resonance shielding door access device is characterized in that: the shielding door is provided with a shielding door (1), an information recognition device (2), a sign (6) and a comprehensive control console (3), wherein the shielding door (1) is divided into an A surface (16) and a B surface (17), the shielding door (1) comprises a rectangular supporting frame (4), a door plate (9), an observation window (5), an internal handle (7) and an external handle (8), the supporting frame (4) is positioned in a wall body, the door plate (9) is in a long rectangular shape, the door plate (9) is connected with the supporting frame (4) through a hinge, the sign (6) is arranged in the wall body at the upper part of the A surface (16) of the shielding door (1), the sign (6) is in data connection with the comprehensive control console (3), the observation window (5) is arranged at the upper part of the A surface (16) of the shielding door (1), 2 external handles (8) are arranged on the A surface (16) of the shielding door (1), the external handle (8) is symmetrically arranged in the middle of the A surface (16) of the shielding door (1), the information identification device (2) is electrically connected with the shielding door (1), and the information identification device (2) is in data connection with the comprehensive control console (3);
the comprehensive control console (3) is positioned in a wall body of a B surface (17) of the shielded door (1), the comprehensive control console (3) is electrically connected with an electric control door lock, the electric control door lock is arranged on the left end surface of a door plate (9), 2 external handles (8) are arranged, the internal handles (7) are symmetrically arranged in the middle of the B surface (17) of the shielded door (1), and the emergency opening/closing device (19) is arranged on the upper part of the B surface (17) of the shielded door (1);
two sides of the surface B (17) of the shielding door (1) are provided with 2 grooves (18), and each groove (18) is internally provided with a reed;
the safe nuclear magnetic resonance shielding door access device is provided with a standby power supply, the standby power supply is arranged in a machine room far away from a shielding door (1), and the standby power supply is electrically connected with a comprehensive control console (3), an information recognition device (2) and a sign (6) respectively.
2. The safe nuclear magnetic resonance screening door lock device according to claim 1, wherein: the door plate (9) is internally provided with three radio frequency radiometric detection calibrating devices (11), and the radio frequency radiometric detection calibrating devices (11) are in data connection with the comprehensive control console (3).
3. The safe nuclear magnetic resonance screening door lock device according to claim 1, wherein: and a metal detection alarm device (10) is arranged on the side end face of the supporting frame (4).
4. The safe nuclear magnetic resonance screening door lock device according to claim 1, wherein: the upper part of the B surface (17) of the shielding door (1) is provided with an emergency opening/locking device (19).
5. The safe nuclear magnetic resonance screening door lock device according to claim 1, wherein: the door panel (9) comprises 3 layers made of different materials, wherein the layers comprise a B side layer (12) made of copper wire mesh, a middle layer (13) made of gypsum board and an A side layer (14) made of silicon steel sheets.
6. The safe nuclear magnetic resonance screening door lock device according to claim 1, wherein: the door plant (9) A face (16) middle part parallel arrangement has 5 work pilot lamps (15), door plant (9) A face (16) lower part is provided with 3 sets of work pilot lamps.
7. The safe nuclear magnetic resonance screening door lock device according to claim 1, wherein: an iris recognition module and a fingerprint recognition module are arranged in the information recognition device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920227928.1U CN210105675U (en) | 2019-02-21 | 2019-02-21 | Safe nuclear magnetic resonance shielding door access device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920227928.1U CN210105675U (en) | 2019-02-21 | 2019-02-21 | Safe nuclear magnetic resonance shielding door access device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210105675U true CN210105675U (en) | 2020-02-21 |
Family
ID=69533151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920227928.1U Expired - Fee Related CN210105675U (en) | 2019-02-21 | 2019-02-21 | Safe nuclear magnetic resonance shielding door access device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210105675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116480259A (en) * | 2023-06-26 | 2023-07-25 | 深圳市越玛智能科技有限公司 | Medical automatic door control system with radiation protection function |
-
2019
- 2019-02-21 CN CN201920227928.1U patent/CN210105675U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116480259A (en) * | 2023-06-26 | 2023-07-25 | 深圳市越玛智能科技有限公司 | Medical automatic door control system with radiation protection function |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 Termination date: 20210221 |