CN115450544A - Fixed-point irradiation experiment system - Google Patents

Fixed-point irradiation experiment system Download PDF

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Publication number
CN115450544A
CN115450544A CN202211206764.7A CN202211206764A CN115450544A CN 115450544 A CN115450544 A CN 115450544A CN 202211206764 A CN202211206764 A CN 202211206764A CN 115450544 A CN115450544 A CN 115450544A
Authority
CN
China
Prior art keywords
door
fixed
plate
door plate
panel
Prior art date
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.)
Pending
Application number
CN202211206764.7A
Other languages
Chinese (zh)
Inventor
潘俊
李驰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Jpy Ion Tech Co ltd
Original Assignee
Tianjin Jpy Ion Tech Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Jpy Ion Tech Co ltd filed Critical Tianjin Jpy Ion Tech Co ltd
Priority to CN202211206764.7A priority Critical patent/CN115450544A/en
Publication of CN115450544A publication Critical patent/CN115450544A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/57—Power-operated mechanisms for wings using fluid-pressure actuators for vertically-sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/668—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings
    • E05F15/673—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings operated by screw-and-nut mechanisms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/80—Door leaves flexible
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/18—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against harmful radiation
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K5/00—Irradiation devices
    • G21K5/10—Irradiation devices with provision for relative movement of beam source and object to be irradiated
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • E05F2015/767—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects using cameras

Abstract

The invention relates to a fixed-point irradiation experiment system, which comprises a lifting door, wherein the lifting door is fixed at a through hole on the wall of an irradiation chamber, a drag chain of a suspension chain conveyor of the irradiation chamber passes through the lifting door, and the lifting door comprises: the guide door frames are fixed on two sides of the through hole, and a first sensor is arranged at the top of each guide door frame; the telescopic door plate comprises a first door plate and a second door plate, and the first door plate and the second door plate are connected through a spring; and the second sensor is fixed on the rack of the suspension chain conveyor and used for detecting whether the hanging box receiving irradiation safely passes through the telescopic door plate. The invention realizes the automatic opening and closing of the transmission channel entering the irradiation room through the wall through hole, avoids the conveying chain and realizes safe and efficient irradiation conveying experiments.

Description

Fixed-point irradiation experiment system
Technical Field
The invention belongs to the technical field of irradiation, relates to an irradiation experiment technology, and particularly relates to a fixed-point irradiation experiment system.
Background
The small-dose fixed-point irradiation experiment adopts a closed mode to carry out the irradiation experiment, wherein the irradiated object to be tested needs to enter the irradiation chamber through a conveying channel on the wall of the irradiation chamber. In the prior art, a safety door is arranged at an inlet of a conveying channel of a wall, namely, the safety door needs to be closed after an irradiated object enters an irradiation chamber, so that a source-reducing fault caused by the fact that personnel or animals enter the irradiation chamber is prevented.
However, since the transfer passage on the wall is small, generally 50 cm high and 50 cm wide, the precision requirement for the automatic transfer door is high, and the drag chain of the suspension chain conveyor passes through the transfer passage, a specially-made safety door needs to be provided to be suitable for the irradiation room of the small-dose fixed-point irradiation experiment.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a fixed-point irradiation experiment system, and effectively solves the technical problems that the traditional safety door in the prior art is low in lifting precision, and a drag chain of a suspension chain conveyor passes through in a conveying process.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a fixed-point irradiation experiment system fixed at a wall through hole of an irradiation room, a drag chain of a suspension chain conveyor of the irradiation room passes through the inside of a lifting door, and the lifting door comprises:
the guide door frame is fixed on two sides of the through hole, guide grooves are symmetrically formed in two sides of the guide door frame, a driving rod is arranged on the outer side of each guide groove, and a first sensor is arranged at the top of the door frame and used for detecting whether a hanging box receiving irradiation passes through the guide grooves;
the telescopic door plate comprises a first door plate and a second door plate, the first door plate and the second door plate are connected through a spring, the second door plate is connected with the driving rod, and the first door plate retracts into the second door plate when contacting with a drag chain of the suspension chain conveyor;
the second sensor is fixed on the rack of the suspension chain conveyor and used for detecting whether the hanging box receiving irradiation passes through the telescopic door plate or not;
and the controller is used for driving the telescopic door panel to move on the driving rod so as to realize the opening and closing of the telescopic door.
Preferably, the guide groove interface is U-shaped, and a fixing plate is disposed on a non-opened side of the guide groove interface for fixing the guide groove to two sides of the through hole.
Preferably, the driving rod comprises a guide rod, the controller comprises a control module and a driving module fixed together with the second door panel, and the driving module is sleeved on the outer side of the guide rod.
Preferably, the driving module is a linear cylinder, the linear cylinder is fixed with the second door panel, and the controller receives signals of the first sensor and the second sensor and controls the linear cylinder to reciprocate on the guide rod.
Preferably, the driving module comprises a ball screw, a threaded sleeve is arranged on the ball screw, the threaded sleeve is fixed with the second door panel, the controller receives signals of the first sensor and the second sensor, and the motor is controlled to drive the screw to rotate, so that the threaded sleeve is driven to rotate, and the second door panel is driven to reciprocate on the guide rod.
Preferably, the first door panel and the second door panel are connected together through a sliding groove, the bottom of the second door panel is connected with the bottom of the first door panel through a spring, and the spring is in an extending state when external force is not applied.
Preferably, the second door panel includes an inner panel and an outer panel, and the first door panel is disposed between the inner panel and the outer panel.
Preferably, a gap is formed in the contact position of the first door plate and a drag chain of the suspension chain conveyor and used for avoiding the drag chain of the suspension chain conveyor, and metal bristles are arranged in the gap and used for preventing irradiation rays from escaping from an irradiation chamber.
Preferably, a soft brush is arranged between the inner plate and the outer plate for preventing dust from entering between the inner plate and the outer plate.
The invention has the advantages and positive effects that:
the lifting door is scientific and reasonable in design, the lifting door comprises a guide door frame and a telescopic door plate, the guide door frame is fixed on two sides of the through hole, guide grooves are symmetrically formed in two sides of the guide door frame, a driving rod is arranged on the outer side of each guide groove, and a first sensor is arranged at the top of the guide door frame; the telescopic door plate comprises a first door plate and a second door plate, the first door plate and the second door plate are connected through a spring, the second door plate is connected with the driving rod, and the first door plate retracts into the second door plate when contacting with a drag chain of the suspension chain conveyor; and a second sensor is arranged on the rack of the suspension chain conveyor, and a controller is arranged on the guide door frame and used for driving the telescopic door panel to move on the driving rod. Under the feedback control of first sensor and second sensor, the realization of controller through the flexible door plant of control has got into the automation of the commodity circulation passageway of irradiation room through wall through-hole department and has opened and be closed, and the cooperation of first door plant and second door plant makes the door plant can dodge the conveying chain automatically when meetting the conveying chain in the flexible door plant simultaneously, has realized bypassing the conveying chain with the through-hole totally enclosed effect, provides safe and reliable's guarantee for the safe work of irradiation room and the smooth business turn over irradiation room of hanging the case.
Drawings
FIG. 1 is a state diagram of the present invention in use;
FIG. 2 is a front view of the safety lift gate of FIG. 1;
FIG. 3 is a schematic perspective view of FIG. 2;
FIG. 4 is an enlarged schematic view at E in FIG. 3;
fig. 5 is a side view of the retractable door panel of the safety lift gate of fig. 1.
Detailed Description
The present invention will be described in more detail below with reference to the following embodiments, which are provided by way of illustration only and are not intended to limit the scope of the present invention.
A fixed-point irradiation experiment system, comprising a lifting door fixed at a wall through hole of an irradiation room, as shown in fig. 1, 2 and 3, a safety lifting door fixed at a through hole 2 of a wall 1 of the irradiation room, a drag chain 4 of a suspension chain conveyor of the irradiation room passing through the lifting door 3, the lifting door 3 comprising:
the guide door frame is fixed on two sides of the through hole 2, guide grooves 16 are symmetrically formed in two sides of the guide door frame, a driving rod is arranged on the outer side of each guide groove 16, and a first sensor 9 is arranged at the top of the door frame and used for detecting whether a hanging box receiving irradiation passes through the door frame;
the telescopic door plate comprises a first door plate 14 and a second door plate 15, the first door plate 14 is connected with the second door plate 15 through a spring 17, the second door plate 15 is connected with the driving rod, and the first door plate 14 retracts into the second door plate 15 when contacting the drag chain 4 of the suspension chain conveyor;
the second sensor 5 is fixed on the rack of the suspension chain conveyor and used for detecting whether the hanging box receiving irradiation passes through the telescopic door plate or not;
and the controller 10 is used for driving the telescopic door panel to move on the driving rod so as to realize the opening and closing of the telescopic door.
Example one
The first door plate 14 and the second door plate 15 form a telescopic door plate, the telescopic door plate moves up and down in the guide groove 16, when the first door plate 14 touches the drag chain 4 of the suspension chain conveyor, the telescopic door plate retracts into the second door plate 15, automatic opening and closing of a logistics channel entering the irradiation chamber through a wall through hole are achieved, meanwhile, the conveying chain is avoided, the irradiation chamber where the irradiation rays escape is prevented, the telescopic door plate moves up and down in the guide groove 16 through mutual matching of the first sensor 9, the second sensor 5 and the controller 10, when the hanging box approaches the telescopic door plate, the first sensor 9 detects the hanging box and sends a detection signal to the controller 10, the controller 10 controls the driving module 7 to drive the telescopic door plate to slide in the guide groove 16, and guiding of the driving module 10 is achieved through the guide rod 8 in the driving rod;
as shown in fig. 2, 3 and 5, as a preferred embodiment of the present invention, the driving rod includes a guiding rod 8, the controller 10 includes a control module and a driving module 7 fixed with the second door panel, the driving module 7 is sleeved on the outside of the guiding rod, and the driving module 7 is fixed with the second door panel 15 through a fixing plate 6;
the driving module 7 is a linear cylinder, the linear cylinder is fixed with the second door panel, and the controller receives signals of the first sensor 9 and the second sensor 5 and controls the linear cylinder to reciprocate on the guide rod; the linear cylinder is a prior art cylinder and is characterized in that the cylinder can move along a piston rod, in this embodiment, the cylinder is a driving module 7, and the piston rod is a guide rod 8.
The first door plate 14 and the second door plate 15 are connected together through the sliding groove, the bottom of the second door plate 15 is connected with the bottom of the first door plate 14 through the spring 17, when the external force is not applied, the spring 17 is in an extension state, when the external force is applied by the drag chain 4 of the suspension chain conveyor, the spring 17 is compressed, and the maximum compression limit is that the limiting block 12 fixed on the first door plate 14 is contacted with the top of the second door plate 15.
Preferably, the second door panel 15 includes an inner panel 18 and an outer panel 19, and the first door panel is disposed between the inner panel 18 and the outer panel 19.
Preferably, first sensor 9 adopts camera 13 to realize, and when the position information of case was hung in the collection, collector appearance information was convenient for distinguish whether getting into the through-hole hang the case, and when what got into was people or other objects, controller 10 did not open flexible door plant to send out the police dispatch newspaper through alarm lamp 11 and bee calling organ.
Example two
On the basis of the first embodiment, a gap is formed in the contact position of the first door plate 14 and the drag chain 4 of the suspension chain conveyor and used for avoiding the drag chain of the suspension chain conveyor, and metal fluff is arranged in the gap and used for preventing an irradiation room where irradiation rays escape.
Preferably, a soft brush is provided between the inner plate 18 and the outer plate 19 for preventing dust from entering between the inner plate and the outer plate.
The foregoing has outlined broadly some of the aspects and features of the various embodiments, which should be construed to be merely illustrative of various potential applications. Other beneficial results can be attained by applying the disclosed information in a different manner or by combining various aspects of the disclosed embodiments. Other aspects and a more complete understanding may be obtained by reference to the detailed description of the exemplary embodiments taken in conjunction with the accompanying drawings, based on the scope defined by the claims.
In addition, the invention also discloses the following technical scheme:
the driving module 7 comprises a ball screw, a threaded sleeve is arranged on the ball screw, the threaded sleeve and the second door panel are fixed together, the controller receives signals of the first sensor 9 and the second sensor 5, and the motor is controlled to drive the screw to rotate, so that the threaded sleeve is driven to rotate, and the second door panel 15 is driven to reciprocate on the guide rod 8.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims (9)

1. A fixed-point irradiation experiment system comprises a lifting door, wherein the lifting door is fixed at a through hole of a wall of an irradiation chamber, and a drag chain of a suspension chain conveyor of the irradiation chamber passes through the lifting door; the telescopic door plate comprises a first door plate and a second door plate, the first door plate and the second door plate are connected through a spring, the second door plate is connected with the driving rod, and the first door plate retracts into the second door plate when contacting with a drag chain of the suspension chain conveyor; and a second sensor is arranged on the rack of the suspension chain conveyor, and a controller is arranged on the guide door frame and used for driving the telescopic door panel to move on the driving rod.
2. The fixed-point irradiation experiment system according to claim 1, wherein the guide slot interface is U-shaped, and a fixing plate is disposed on the non-opened side of the guide slot interface for fixing the guide slot on two sides of the through hole.
3. The fixed point irradiation experiment system of claim 2, wherein the driving rod comprises a guiding rod, the controller comprises a control module and a driving module fixed with the second door panel, and the driving module is sleeved outside the guiding rod.
4. The fixed point irradiation experiment system of claim 3, wherein the driving module is a linear cylinder, the linear cylinder is fixed with the second door panel, and the controller receives signals from the first sensor and the second sensor and controls the linear cylinder to reciprocate on the guide rod.
5. The fixed-point irradiation experiment system according to claim 3, wherein the driving module comprises a ball screw, the ball screw is provided with a threaded sleeve, the threaded sleeve is fixed with the second door panel, the controller receives signals of the first sensor and the second sensor, and controls the motor to drive the screw to rotate, so as to drive the threaded sleeve to rotate, and further drive the second door panel to reciprocate on the guide rod.
6. The fixed point irradiation experiment system according to any one of claims 1 to 5, wherein the first door panel and the second door panel are connected together through a sliding chute, the bottom of the second door panel and the bottom of the first door panel are connected through a spring, and the spring is in an extended state when no external force is applied.
7. The fixed-point irradiation experiment system according to claim 6, wherein the second door panel comprises an inner panel and an outer panel, and the first door panel is disposed between the inner panel and the outer panel.
8. The fixed point irradiation experiment system according to claim 7, wherein a gap is formed at a contact position of the first door panel and the drag chain of the suspension chain conveyor and used for avoiding the drag chain of the suspension chain conveyor, and metal fluff is arranged in the gap.
9. The fixed-point irradiation experiment system according to claim 8, wherein a soft brush is arranged between the inner plate and the outer plate.
CN202211206764.7A 2022-09-30 2022-09-30 Fixed-point irradiation experiment system Pending CN115450544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211206764.7A CN115450544A (en) 2022-09-30 2022-09-30 Fixed-point irradiation experiment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211206764.7A CN115450544A (en) 2022-09-30 2022-09-30 Fixed-point irradiation experiment system

Publications (1)

Publication Number Publication Date
CN115450544A true CN115450544A (en) 2022-12-09

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ID=84309341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211206764.7A Pending CN115450544A (en) 2022-09-30 2022-09-30 Fixed-point irradiation experiment system

Country Status (1)

Country Link
CN (1) CN115450544A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202944838U (en) * 2012-11-16 2013-05-22 天津金鹏源辐照技术有限公司 Safety door used for gamma-irradiation device test wire channel inlet
CN211342482U (en) * 2019-12-12 2020-08-25 成都恒昇远大机械设备有限公司 Induction door capable of being remotely controlled
CN215979018U (en) * 2021-07-05 2022-03-08 吉林省好兄弟木业有限公司 Anti-collision automatic-closing type environment-friendly wooden door for hospital consulting room
CN218522555U (en) * 2022-09-30 2023-02-24 天津金鹏源辐照技术有限公司 Safety lifting door for small-dose fixed-point irradiation experiment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202944838U (en) * 2012-11-16 2013-05-22 天津金鹏源辐照技术有限公司 Safety door used for gamma-irradiation device test wire channel inlet
CN211342482U (en) * 2019-12-12 2020-08-25 成都恒昇远大机械设备有限公司 Induction door capable of being remotely controlled
CN215979018U (en) * 2021-07-05 2022-03-08 吉林省好兄弟木业有限公司 Anti-collision automatic-closing type environment-friendly wooden door for hospital consulting room
CN218522555U (en) * 2022-09-30 2023-02-24 天津金鹏源辐照技术有限公司 Safety lifting door for small-dose fixed-point irradiation experiment

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CB03 Change of inventor or designer information

Inventor after: Pan Jun

Inventor after: Zhang Yongchun

Inventor after: Dai Yunpeng

Inventor before: Pan Jun

Inventor before: Li Chi

CB03 Change of inventor or designer information