CN113375791B - Superconducting terahertz source space radiation testing device based on spiral scanning technology - Google Patents
Superconducting terahertz source space radiation testing device based on spiral scanning technology Download PDFInfo
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- CN113375791B CN113375791B CN202110692690.1A CN202110692690A CN113375791B CN 113375791 B CN113375791 B CN 113375791B CN 202110692690 A CN202110692690 A CN 202110692690A CN 113375791 B CN113375791 B CN 113375791B
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- 230000005855 radiation Effects 0.000 title claims abstract description 174
- 238000012360 testing method Methods 0.000 title claims abstract description 117
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 35
- 239000000523 sample Substances 0.000 claims description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 25
- 229910001882 dioxygen Inorganic materials 0.000 claims description 25
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000009347 mechanical transmission Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
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Abstract
The invention discloses a superconducting terahertz source space radiation testing device based on a helical scanning technology, which comprises an operation table, wherein a testing box for performing three-dimensional space radiation testing on a superconducting terahertz radiation source is fixedly installed on the upper surface of the operation table, an electromagnet is fixedly installed on the back side of the testing box, the outer side of the testing box is connected with a signal receiving module in a surrounding mode, a transmission module is arranged above the signal receiving module, a light path transmission system and a controller are installed above the operation table and positioned on the right side of the testing box, and a supporting and moving mechanism matched with the superconducting terahertz radiation source in shape is connected in the testing box in a sliding mode. A superconducting terahertz source space radiation testing device based on a spiral scanning technology has the advantages that the overall space radiation condition of a superconducting terahertz source is rapidly tested in a spiral scanning mode, and meanwhile, the superconducting terahertz source space radiation testing device can be matched with the special working environment of a superconducting terahertz radiation source in an original mechanical transmission mode.
Description
Technical Field
The invention relates to the field of superconducting terahertz source radiation testing, in particular to a superconducting terahertz source space radiation testing device based on a helical scanning technology.
Background
The working temperature of a superconducting terahertz radiation source (as shown in fig. 1) is between 10 and 80K, general test and motion equipment cannot be normally used in a working cavity of the terahertz radiation source, terahertz waves need to be led out of the working cavity through a light path for detection, for example, in the prior art, the superconducting terahertz radiation source is driven to rotate through a displacement platform, so that one plane of terahertz waves is measured, if the three-dimensional space radiation condition of the terahertz source needs to be detected, a plurality of windows need to be formed on the outer surface of the working cavity, a plurality of sets of detection equipment are arranged, so that the test cost is increased undoubtedly, meanwhile, the test is incomplete, if the detection equipment is adopted to carry out detection in a mode of circular motion on the outer surface of the working cavity, only the radiation in one plane can be tested, but the space radiation in the three-dimensional space cannot be measured, the application of the prior art can not carry out measurement, meanwhile, the terahertz radiation source is fixedly arranged in the cavity, and due to the special shape and the special working environment of the terahertz radiation source, the terahertz radiation source can not be quickly fixed by utilizing the prior equipment (if the terahertz radiation source is welded and fixed, the terahertz radiation source is not convenient to disassemble, if the terahertz radiation source is elastically fixed, the property of an elastic part in the low-temperature process is changed, so that the elasticity is reduced or disappears, and the radiation source is not tightly connected with a connecting device), so that the superconducting terahertz source space radiation testing device based on the spiral scanning technology is provided.
Disclosure of Invention
The invention mainly aims to provide a superconducting terahertz source space radiation testing device based on a helical scanning technology, which is characterized in that a signal receiving module, a transmission module and a supporting and moving mechanism are arranged to be matched for use, a driving motor drives a roller wheel in a sliding sleeve to rotate on the outer surface of a sliding rail, a radiation signal detection probe collects radiation signals in a single plane of a superconducting terahertz radiation source, after the radiation signal detection probe rotates for a circle, a rack on the upper portion of the sliding sleeve is meshed with an outer gear for transmission to drive an inner rotating shaft to rotate, so that a sliding electrode is pulled to slide on the outer surface of the rail, the sliding electrode is connected with a fixed electrode to supply power to an electromagnet, the magnetic field of the electromagnet attracts an iron block on the surface of the supporting and moving mechanism, the supporting and moving mechanism integrally moves in a testing cavity for the same distance at intervals, and the radiation signal detection probe drives the supporting and moving mechanism to move in the testing cavity while rotating on the outer surface of the testing box The method comprises the following steps of performing broken linear motion, rapidly testing the overall space radiation condition of the superconducting terahertz source in a spiral scanning mode, and adapting to the special working environment of the superconducting terahertz radiation source by using an original mechanical transmission mode; through the matching of the shape of the supporting and moving mechanism and the superconducting terahertz radiation source, when the superconducting terahertz radiation source is installed, the pulling plate is pulled, the pulling plate is fixedly connected with the pressing plate, the sliding frame is driven to move upwards, the superconducting terahertz radiation source is conveniently clamped into the lower parts of the two pressing plates, the connecting plate is pressed, the pressing plates clamp two ends of the superconducting terahertz radiation source, the piston slides in the push rod, the sucker sucks the side surface of the superconducting terahertz radiation source, the superconducting terahertz radiation source is stably fixed, and meanwhile, when the interior of the test box is rapidly cooled, the liquefied volume of oxygen in the push rod is rapidly reduced, so that the attraction of the sucker to the superconducting terahertz radiation source is increased, the phenomenon that the superconducting terahertz radiation source is dislocated in the moving process along with the supporting and moving mechanism to cause inaccurate test is prevented, and meanwhile, the superconducting terahertz radiation source is convenient to disassemble and install, the problems in the background art can be effectively solved.
In order to achieve the purpose, the invention adopts the technical scheme that: the invention aims to provide a superconducting terahertz source space radiation testing device based on a spiral scanning technology.
The utility model provides a superconductive terahertz source space radiation testing arrangement based on helical scanning technique, includes the operation panel, the last fixed surface of operation panel installs the test box that carries out three-dimensional space radiation test to superconductive terahertz radiation source, the dorsal part fixed mounting of test box has the electro-magnet, the outside of test box is encircleed and is connected with signal reception module, signal reception module's top is provided with drive module, the top of operation panel and the right side that is located the test box install light path transmission system and controller, the inside sliding connection of test box has the support moving mechanism who matches with superconductive terahertz radiation source shape.
The invention is further improved in that a sliding cavity is formed in the signal receiving module, a sliding rail is fixedly mounted in the sliding cavity, fixing plates are fixedly mounted on two sides of the sliding rail, the sliding rail is fixed with the sliding cavity through the fixing plates, a sliding sleeve is connected to the outer surface of the sliding rail in a sliding mode, a radiation signal detection probe is fixedly mounted on the inner side of the sliding sleeve, a rack is fixedly mounted on the outer side of the sliding sleeve, a driving motor is fixedly mounted on the outer surface of the sliding sleeve, and the driving motor drives the sliding sleeve to slide on the sliding rail by driving a roller in the sliding sleeve to rotate.
Through the structure, the following effects can be achieved: the driving motor drives the roller inside the sliding sleeve to rotate on the outer surface of the sliding rail, and the radiation signal detection probe collects radiation signals in a single plane of the superconducting terahertz radiation source.
The invention has the further improvement that a track is fixedly arranged inside the transmission module, a fixed electrode is fixedly arranged in the middle of the track, a sliding electrode is connected to the outer surface of the track in a sliding manner, a return spring is fixedly arranged on the left side of the sliding electrode, one end, far away from the sliding electrode, of the return spring is fixedly connected with the transmission module, an outer gear is rotatably connected inside the transmission module and below the track, an inner rotating shaft is fixedly arranged in the middle of the outer gear, the inner rotating shaft is connected with the sliding electrode through an elastic rope, the outer gear is in meshing transmission with a rack, and the output end of the fixed electrode is electrically connected with an electromagnet.
The structure can realize that: after the radiation signal detection probe rotates for a circle, the rack on the upper portion of the sliding sleeve is meshed with the outer gear for transmission, the inner rotating shaft is driven to rotate, the sliding electrode is pulled to slide on the outer surface of the track, the sliding electrode is connected with the fixed electrode to supply power to the electromagnet, the magnetic field of the electromagnet attracts an iron block on the surface of the supporting and moving mechanism, the supporting and moving mechanism integrally moves in the testing cavity at the same interval distance, and therefore the radiation signal detection probe drives the supporting and moving mechanism to do discontinuous linear motion in the testing cavity while rotating on the outer surface of the testing box, and the overall space radiation condition of the superconducting terahertz source is rapidly tested in a spiral scanning mode.
The invention is further improved in that a test cavity is formed in the test box, a linear guide rail is fixedly mounted on the inner edge of the test cavity, the Stirling refrigerator is fixedly mounted on the surface of the test box, and a cold head frame of the Stirling refrigerator extends into the test cavity.
The supporting and moving mechanism comprises a supporting plate, rollers are connected to two sides of the supporting plate in a rolling mode, speed-reducing friction lines are arranged on the surfaces of the rollers, an iron block is fixedly installed on the front face of the supporting and moving mechanism, and the electromagnet is connected with the iron block in a magnetic mode after being electrified.
The structure can realize that: this arrangement maintains a constant moving speed of the support moving mechanism.
The invention has the further improvement that a thermometer is fixedly arranged on the upper surface of the supporting and moving mechanism, an upper connecting frame is arranged on the upper surface of the supporting and moving mechanism and positioned on the right side of the thermometer, a sliding frame is connected below the upper connecting frame positioned on the front side in a sliding manner, an oxygen gas cavity is arranged inside the upper connecting frame positioned on the back side, and a sucker is arranged at the output end of the push rod.
The invention has the further improvement that a pressing plate is connected between a group of upper connecting frames in a sliding manner, a sliding groove is formed in the upper connecting frame positioned on the front side, the sliding frame slides in the sliding groove, a limiting cavity is formed in the side surface of the sliding frame, the end part of the pressing plate slides in the limiting cavity, a connecting plate is fixedly arranged above the pressing plate, and a pulling plate is fixedly arranged between the two connecting plates.
The structure can realize that: the supporting and moving mechanism is matched with the superconducting terahertz radiation source in shape, when the superconducting terahertz radiation source is installed, the pulling plate is pulled, the pulling plate is fixedly connected with the pressing plate, the sliding frame is driven to move upwards, the superconducting terahertz radiation source is conveniently clamped into the lower portions of the two pressing plates, the connecting plate is pressed, the pressing plates clamp the two ends of the superconducting terahertz radiation source, the piston slides in the oxygen gas cavity to enable the sucker to attract the side face of the superconducting terahertz radiation source, the superconducting terahertz radiation source is stably and fixedly arranged, meanwhile, when the inside of the test box is rapidly cooled, the oxygen liquefaction volume inside the oxygen gas cavity is rapidly reduced, the attraction of the sucker to the superconducting terahertz radiation source is increased, and the situation that the superconducting terahertz radiation source is dislocated in the moving process along with the supporting and moving mechanism to cause inaccurate test is avoided.
The invention is further improved in that a push rod is fixedly arranged on one side of the pressure plate, which is far away from the sliding frame, a piston is fixedly arranged above the push rod, the piston slides in an oxygen gas cavity, and the shape of the oxygen gas cavity is eta-shaped.
The structure can realize that: therefore, the adsorption state of the sucker is released when the pulling plate is lifted, and the superconducting terahertz radiation source is convenient to disassemble and assemble.
The invention further improves the technical scheme that the superconducting terahertz source space radiation testing device based on the helical scanning technology comprises the following use steps:
a: an operation table of the device is placed on the ground, when the superconducting terahertz source is installed, a pulling plate is pulled, the pulling plate is fixedly connected with a pressing plate, and therefore a sliding frame is driven to move upwards, the superconducting terahertz radiation source is conveniently clamped into the lower portions of the two pressing plates, a connecting plate is pressed, the pressing plates clamp two ends of the superconducting terahertz radiation source, a piston slides in an oxygen gas cavity to enable a sucking disc to suck the side face of the superconducting terahertz radiation source, and the superconducting terahertz radiation source is stably fixed;
b: after the step A is finished, the supporting and moving mechanism and the superconducting terahertz radiation source are integrally placed on a linear guide rail of the test box, the interior of the test cavity is vacuumized, the Stirling refrigerator is cooled, the oxygen liquefaction volume in the oxygen gas cavity is rapidly reduced, and therefore the attraction of the sucker to the superconducting terahertz radiation source is increased, and the phenomenon that the superconducting terahertz radiation source is dislocated in the moving process along with the supporting and moving mechanism to cause inaccurate test is avoided;
c: when the step B is finished, the driving motor drives the roller wheel in the sliding sleeve to rotate on the outer surface of the sliding rail, the radiation signal detection probe collects the radiation signal in a single plane of the superconducting terahertz radiation source, when the radiation signal detection probe rotates for a circle, the rack on the upper part of the sliding sleeve is meshed with the external gear for transmission to drive the internal rotating shaft to rotate, thereby pulling the sliding electrode to slide on the outer surface of the track, leading the sliding electrode to be communicated with the fixed electrode to supply power to the electromagnet, leading the magnetic field of the electromagnet to attract the iron block on the surface of the supporting and moving mechanism, leading the whole supporting and moving mechanism to move in the testing cavity by the same interval distance, thus, the radiation signal detection probe drives the supporting and moving mechanism to do discontinuous linear motion in the test box while rotating on the outer surface of the test box, the overall space radiation condition of the superconducting terahertz source is rapidly tested in a spiral scanning mode;
d: and C, after the step C is finished, the radiation signal detection probe transmits the acquired radiation signal to the light path transmission system, the controller performs three-dimensional modeling on the detected signal, and the controller can obtain the power intensity of the three-dimensional radiation signal of the sample.
Compared with the prior art, the invention has the following beneficial effects:
1. through the matching use of the arranged signal receiving module, the transmission module and the supporting and moving mechanism, the driving motor drives the roller inside the sliding sleeve to rotate on the outer surface of the sliding rail, the radiation signal detection probe collects radiation signals in a single plane of the superconducting terahertz radiation source, after the radiation signal detection probe rotates for a circle, the rack on the upper part of the sliding sleeve is meshed with the external gear for transmission to drive the internal rotating shaft to rotate, so that the sliding electrode is pulled to slide on the outer surface of the rail, the sliding electrode is connected with the fixed electrode to supply power to the electromagnet, the magnetic field of the electromagnet attracts an iron block on the surface of the supporting and moving mechanism, the supporting and moving mechanism integrally moves in the testing cavity at the same interval distance, and thus the radiation signal detection probe drives the supporting and moving mechanism to do discontinuous linear motion in the testing cavity while rotating on the outer surface of the testing box, the overall space radiation condition of the superconducting terahertz source is rapidly tested in a spiral scanning mode, and meanwhile, the original mechanical transmission mode is used, so that the superconducting terahertz source can be matched with the special working environment of the superconducting terahertz radiation source, and the method has better practicability.
2. Through the matching of the shape of the supporting and moving mechanism and the superconducting terahertz radiation source, when the superconducting terahertz radiation source is installed, the pulling plate is pulled, the pulling plate is fixedly connected with the pressing plate, the sliding frame is driven to move upwards, the superconducting terahertz radiation source is conveniently clamped into the lower parts of the two pressing plates, the connecting plate is pressed, the pressing plates clamp two ends of the superconducting terahertz radiation source, the piston slides in the oxygen gas cavity to enable the sucking disc to suck the side surface of the superconducting terahertz radiation source, the superconducting terahertz radiation source is stably fixed, and meanwhile, when the interior of the test box is rapidly cooled, the liquefied volume of oxygen in the oxygen gas cavity is rapidly reduced, so that the suction force of the sucking disc to the superconducting terahertz radiation source is increased, the phenomenon that the superconducting terahertz radiation source is dislocated in the moving process along with the supporting and moving mechanism to cause inaccurate test is prevented, and the dismounting and the installation of the superconducting terahertz radiation source are facilitated at the same time, therefore, the safety and the practicability are better.
Drawings
Fig. 1 is a schematic diagram of a superconducting terahertz radiation source applicable to the superconducting terahertz source space radiation testing device based on the helical scanning technology.
Fig. 2 is a schematic overall structure diagram of the superconducting terahertz source spatial radiation testing device based on the helical scanning technology.
Fig. 3 is a schematic diagram of connection between a signal receiving module and a transmission module of the superconducting terahertz source spatial radiation testing device based on the helical scanning technology.
Fig. 4 is an internal schematic view of a transmission module of the superconducting terahertz source spatial radiation testing device based on the helical scanning technology.
Fig. 5 is a schematic structural diagram of a supporting and moving mechanism of a superconducting terahertz source spatial radiation testing device based on a helical scanning technology.
Fig. 6 is a schematic view of the inside of a fixing frame of the superconducting terahertz source space radiation testing device based on the helical scanning technology.
In the figure: 1. a superconducting terahertz radiation source; 2. an operation table; 3. a test box; 4. an electromagnet; 5. an optical path transmission system; 6. a controller; 7. a signal receiving module; 8. a transmission module; 9. a support moving mechanism; 301. a linear guide rail; 302. a test chamber; 303. a Stirling refrigerator; 701. a sliding cavity; 702. a fixing plate; 703. a slide rail; 704. a sliding sleeve; 705. a rack; 706. a drive motor; 707. a radiation signal detection probe; 801. a track; 802. an outer gear; 803. an inner rotating shaft; 804. a sliding electrode; 805. a fixed electrode; 806. a return spring; 901. a fixed mount; 902. a thermometer; 903. decelerating friction lines; 904. an iron block; 905. a carriage; 906. an upper connecting frame; 907. pressing a plate; 908. a suction cup; 909. pulling a plate; 910. a connecting plate; 911. a sliding groove; 912. a limiting cavity; 913. a piston; 914. an oxygen gas chamber; 915. a push rod.
Detailed Description
In order to make the technical means, the original features, the achieved objects and the effects of the present invention easy to understand, in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The invention will be further illustrated with reference to specific embodiments.
Example 1
As shown in fig. 1-6, a superconducting terahertz source space radiation testing device based on a spiral scanning technology comprises an operation table (2), a test box (3) for performing three-dimensional space radiation testing on a superconducting terahertz radiation source (1) is fixedly installed on the upper surface of the operation table (2), an electromagnet (4) is fixedly installed on the back side of the test box (3), a signal receiving module (7) is connected to the outer side of the test box (3) in a surrounding mode, a transmission module (8) is arranged above the signal receiving module (7), a light path transmission system (5) and a controller (6) are installed on the right side, located above the operation table (2), of the test box (3), and a supporting and moving mechanism (9) matched with the superconducting terahertz radiation source (1) in shape is connected to the inside of the test box (3) in a sliding mode.
In this embodiment, a sliding cavity (701) has been seted up to the inside of signal receiving module (7), the inside fixed mounting of sliding cavity (701) has slide rail (703), the both sides fixed mounting of slide rail (703) has fixed plate (702), slide rail (703) are fixed with sliding cavity (701) through fixed plate (702), the surface sliding connection of slide rail (703) has sliding sleeve (704), the inboard fixed mounting of sliding sleeve (704) has radiation signal detection probe (707), the outside fixed mounting of sliding sleeve (704) has rack (705), the surface fixed mounting of sliding sleeve (704) has driving motor (706), thereby driving sliding sleeve (704) slides on slide rail (703) through driving the inside gyro wheel rotation of sliding sleeve (704).
In this embodiment, the inside fixed mounting of transmission module (8) has track (801), the middle part fixed mounting of track (801) has fixed electrode (805), the surface sliding connection of track (801) has sliding electrode (804), the left side fixed mounting of sliding electrode (804) has reset spring (806), the one end and the transmission module (8) fixed connection of keeping away from sliding electrode (804) of reset spring (806), the inside of transmission module (8) just is located the below rotation of track (801) and is connected with outer gear (802), the middle part fixed mounting of outer gear (802) has interior pivot (803), interior pivot (803) and sliding electrode (804) pass through the elastic rope and are connected, outer gear (802) and rack (705) meshing transmission, the output and the electro-magnet (4) electric connection of fixed electrode (805).
In this embodiment, a test cavity (302) is opened in the test box (3), a linear guide rail (301) is fixedly installed on the inner edge of the test cavity (302), a stirling refrigerating machine (303) is fixedly installed on the surface of the test box (3), and a cold head frame of the stirling refrigerating machine (303) extends to the inside of the test cavity (302).
In this embodiment, support moving mechanism (9) including the backup pad, the both sides roll connection of backup pad has the gyro wheel, and speed reduction friction line (903) have been seted up on the surface of gyro wheel, and the front fixed mounting who supports moving mechanism (9) has iron plate (904), and electro-magnet (4) circular telegram back is connected with iron plate (904) magnetism.
In this embodiment, a thermometer (902) is fixedly mounted on the upper surface of the support moving mechanism (9), an upper connecting frame (906) is mounted on the upper surface of the support moving mechanism (9) and located on the right side of the thermometer (902), a sliding frame (905) is connected below the upper connecting frame (906) located on the front side in a sliding manner, an oxygen gas chamber (914) is formed in the upper connecting frame (906) located on the back side, and a sucker (908) is mounted at the output end of the push rod (915).
In the embodiment, a pressing plate (907) is connected between a group of upper connecting frames (906) in a sliding mode, a sliding groove (911) is formed in the upper connecting frame (906) on the front face, a sliding frame (905) slides in the sliding groove (911), a limiting cavity (912) is formed in the side face of the sliding frame (905), the end portion of the pressing plate (907) slides in the limiting cavity (912), a connecting plate (910) is fixedly mounted above the pressing plate (907), and a pulling plate (909) is fixedly mounted between the two connecting plates (910).
In the embodiment, a push rod (915) is fixedly mounted on one side of the pressure plate (907) far away from the sliding frame (905), a piston (913) is fixedly mounted above the push rod (915), the piston (913) slides in an oxygen gas chamber (914), and the shape of the oxygen gas chamber (914) is eta-shaped.
The embodiment can realize that: through the matching use of the arranged signal receiving module (7), the transmission module (8) and the supporting and moving mechanism (9), the driving motor (706) drives the roller inside the sliding sleeve (704) to rotate on the outer surface of the sliding rail (703), the radiation signal detection probe (707) collects the radiation signal in a single plane of the superconducting terahertz radiation source (1), after the radiation signal detection probe (707) rotates for a circle, the rack (705) on the upper part of the sliding sleeve (704) is meshed with the outer gear (802) for transmission, the inner rotating shaft (803) is driven to rotate, so that the sliding electrode (804) is pulled to slide on the outer surface of the track (801), the sliding electrode (804) and the fixed electrode (805) are connected to supply power to the electromagnet (4), the magnetic field of the electromagnet (4) attracts the iron block (904) on the surface of the supporting and moving mechanism (9), and the supporting and moving mechanism (9) integrally moves for the same interval distance inside the testing cavity (302), therefore, the radiation signal detection probe (707) drives the supporting and moving mechanism (9) to do discontinuous linear motion in the test box (3) when the outer surface of the test box (3) rotates, the overall space radiation condition of the superconducting terahertz source is rapidly tested in a spiral scanning mode, and meanwhile, the original mechanical transmission mode is used, so that the radiation signal detection probe can be matched with the special working environment of the superconducting terahertz radiation source (1), and the radiation signal detection probe has better practicability.
Example 2
As shown in fig. 1-6, a superconducting terahertz source space radiation testing device based on a helical scanning technology, comprises an operation table (2), a test box (3) for performing three-dimensional space radiation testing on a superconducting terahertz radiation source (1) is fixedly installed on the upper surface of the operation table (2), an electromagnet (4) is fixedly installed on the back side of the test box (3), a signal receiving module (7) is connected to the outer side of the test box (3) in a surrounding manner, a transmission module (8) is arranged above the signal receiving module (7), a light path transmission system (5) and a controller (6) are installed above the operation table (2) and on the right side of the test box (3), and a supporting and moving mechanism (9) matched with the superconducting terahertz radiation source (1) in shape is connected to the inside of the test box (3) in a sliding manner.
In this embodiment, a sliding cavity (701) has been seted up to the inside of signal receiving module (7), the inside fixed mounting of sliding cavity (701) has slide rail (703), the both sides fixed mounting of slide rail (703) has fixed plate (702), slide rail (703) are fixed with sliding cavity (701) through fixed plate (702), the surface sliding connection of slide rail (703) has sliding sleeve (704), the inboard fixed mounting of sliding sleeve (704) has radiation signal detection probe (707), the outside fixed mounting of sliding sleeve (704) has rack (705), the surface fixed mounting of sliding sleeve (704) has driving motor (706), thereby driving sliding sleeve (704) slides on slide rail (703) through driving the inside gyro wheel rotation of sliding sleeve (704).
In this embodiment, a track (801) is fixedly installed inside the transmission module (8), a fixed electrode (805) is fixedly installed in the middle of the track (801), a sliding electrode (804) is connected to the outer surface of the track (801) in a sliding manner, a return spring (806) is fixedly installed on the left side of the sliding electrode (804), one end, away from the sliding electrode (804), of the return spring (806) is fixedly connected with the transmission module (8), an external gear (802) is rotatably connected to the inside of the transmission module (8) and below the track (801), an internal rotating shaft (803) is fixedly installed in the middle of the external gear (802), the internal rotating shaft (803) is connected with the sliding electrode (804) through an elastic rope, the external gear (802) is in meshing transmission with the rack (705), and the output end of the fixed electrode (805) is electrically connected with the electromagnet (4).
In this embodiment, a test cavity (302) is opened in the test box (3), a linear guide rail (301) is fixedly installed on the inner edge of the test cavity (302), a stirling refrigerating machine (303) is fixedly installed on the surface of the test box (3), and a cold head frame of the stirling refrigerating machine (303) extends to the inside of the test cavity (302).
In this embodiment, support moving mechanism (9) including the backup pad, the both sides roll connection of backup pad has the gyro wheel, and speed reduction friction line (903) have been seted up on the surface of gyro wheel, and the front fixed mounting who supports moving mechanism (9) has iron plate (904), and electro-magnet (4) circular telegram back is connected with iron plate (904) magnetism.
In this embodiment, a thermometer (902) is fixedly mounted on the upper surface of the support moving mechanism (9), an upper connecting frame (906) is mounted on the upper surface of the support moving mechanism (9) and located on the right side of the thermometer (902), a sliding frame (905) is connected below the upper connecting frame (906) located on the front side in a sliding manner, an oxygen gas chamber (914) is formed in the upper connecting frame (906) located on the back side, and a sucker (908) is mounted at the output end of the push rod (915).
In the embodiment, a pressing plate (907) is connected between a group of upper connecting frames (906) in a sliding mode, a sliding groove (911) is formed in the upper connecting frame (906) on the front face, a sliding frame (905) slides in the sliding groove (911), a limiting cavity (912) is formed in the side face of the sliding frame (905), the end portion of the pressing plate (907) slides in the limiting cavity (912), a connecting plate (910) is fixedly mounted above the pressing plate (907), and a pulling plate (909) is fixedly mounted between the two connecting plates (910).
In the embodiment, a push rod (915) is fixedly mounted on one side of the pressing plate (907) far away from the sliding frame (905), a piston (913) is fixedly mounted above the push rod (915), the piston (913) slides in an oxygen gas chamber (914), and the shape of the oxygen gas chamber (914) is eta.
The embodiment can realize that: the shape of the supporting and moving mechanism (9) is matched with that of the superconducting terahertz radiation source (1), when the superconducting terahertz radiation source is installed, the pulling plate (909) is pulled, the pulling plate (909) is fixedly connected with the pressing plates (907), and the sliding frame (905) is driven to move upwards, so that the superconducting terahertz radiation source (1) is conveniently clamped below the two pressing plates (907), the connecting plate (910) is pressed, the pressing plates (907) clamp two ends of the superconducting terahertz radiation source (1), the piston (913) slides in the oxygen gas cavity (914) to enable the sucking disc (908) to suck the side face of the superconducting terahertz radiation source (1), the superconducting terahertz radiation source (1) is stably fixed, and meanwhile, when the inside of the test box (3) is rapidly cooled, the oxygen liquefaction volume inside the oxygen gas cavity (914) is rapidly reduced, so that the sucking force of the sucking disc (908) to the superconducting terahertz radiation source (1) is increased, the device is used for preventing the superconducting terahertz radiation source (1) from being dislocated along with the movement process of the supporting and moving mechanism (9) to cause inaccurate test, and meanwhile, the superconducting terahertz radiation source (1) is convenient to disassemble and assemble, so that the device has better safety and practicability.
The invention is to be noted that, the invention is a superconducting terahertz source space radiation testing device based on the spiral scanning technology, when in use, firstly, when the superconducting terahertz source is installed, the pulling plate (909) is pulled, the pulling plate (909) and the pressing plate (907) are fixedly connected, so as to drive the sliding rack (905) to move upwards, so that the superconducting terahertz radiation source (1) is conveniently clamped below the two pressing plates (907), the connecting plate (910) is pressed, the pressing plates (907) clamp two ends of the superconducting terahertz radiation source (1), the piston (913) slides in the oxygen gas cavity (914) to enable the sucker (908) to attract the side surface of the superconducting terahertz radiation source (1), so as to stably fix the superconducting terahertz radiation source (1), and secondly, the whole body formed by the supporting moving mechanism (9) and the superconducting terahertz radiation source (1) is placed on the linear guide rail (301) of the testing box (3), vacuumizing the interior of a test cavity (302), cooling a Stirling refrigerator (303), rapidly reducing the oxygen liquefaction volume in an oxygen gas cavity (914), so that the attraction of a sucker (908) to a superconducting terahertz radiation source (1) is increased to prevent the superconducting terahertz radiation source (1) from dislocation in the moving process along with a supporting and moving mechanism (9) to cause inaccurate test, then driving a driving motor (706) to drive a roller in a sliding sleeve (704) to rotate on the outer surface of a sliding rail (703), collecting radiation signals in a single plane of the superconducting terahertz radiation source (1) by a radiation signal detection probe (707), and after the radiation signal detection probe (707) rotates for one circle, meshing transmission is carried out between a rack (705) on the upper part of the sliding sleeve (704) and an outer gear (802) to drive an inner rotating shaft (803) to rotate, so as to pull a sliding electrode (804) to slide on the outer surface of a track (801), the sliding electrode (804) and the fixed electrode (805) are communicated to supply power to the electromagnet (4), the magnetic field of the electromagnet (4) attracts an iron block (904) on the surface of the supporting and moving mechanism (9), the whole supporting and moving mechanism (9) moves for the same interval distance in the test cavity (302), thus, the radiation signal detection probe (707) drives the support moving mechanism (9) to do discontinuous linear motion in the test box (3) while rotating on the outer surface of the test box (3), the overall space radiation condition of the superconducting terahertz source is rapidly tested in a spiral scanning mode, and finally, the radiation signal detection probe (707) transmits the collected radiation signal to the optical path transmission system (5), the controller (6) performs three-dimensional modeling on the detected signal, and the controller (6) can obtain the power intensity of the three-dimensional radiation signal of the sample.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a superconductive terahertz source space radiation testing arrangement based on spiral scanning technique, includes the operation panel, its characterized in that: the three-dimensional space radiation testing device comprises an operating platform, a signal receiving module, a transmission module, a light path transmission system and a controller, wherein a testing box for performing three-dimensional space radiation testing on a superconducting terahertz radiation source is fixedly installed on the upper surface of the operating platform, an electromagnet is fixedly installed on the back side of the testing box, the outer side of the testing box is connected with the signal receiving module in a surrounding mode, the transmission module is arranged above the signal receiving module, the light path transmission system and the controller are installed above the operating platform and located on the right side of the testing box, and a supporting and moving mechanism matched with the superconducting terahertz radiation source in shape is connected inside the testing box in a sliding mode; a sliding cavity is formed in the signal receiving module, a sliding rail is fixedly mounted in the sliding cavity, fixing plates are fixedly mounted on two sides of the sliding rail, the sliding rail is fixed with the sliding cavity through the fixing plates, a sliding sleeve is connected to the outer surface of the sliding rail in a sliding mode, a radiation signal detection probe is fixedly mounted on the inner side of the sliding sleeve, a rack is fixedly mounted on the outer side of the sliding sleeve, a driving motor is fixedly mounted on the outer surface of the sliding sleeve, and the driving motor drives the sliding sleeve to slide on the sliding rail by driving a roller in the sliding sleeve to rotate; the inner part of the transmission module is fixedly provided with a track, the middle part of the track is fixedly provided with a fixed electrode, the outer surface of the track is connected with a sliding electrode in a sliding manner, the left side of the sliding electrode is fixedly provided with a return spring, one end of the return spring, which is far away from the sliding electrode, is fixedly connected with the transmission module, the inner part of the transmission module, which is positioned below the track, is rotatably connected with an outer gear, the middle part of the outer gear is fixedly provided with an inner rotating shaft, the inner rotating shaft is connected with the sliding electrode through an elastic rope, the outer gear is meshed with a rack for transmission, and the output end of the fixed electrode is electrically connected with an electromagnet; a test cavity is formed in the test box, a linear guide rail is fixedly mounted on the inner edge of the test cavity, a Stirling refrigerator is fixedly mounted on the surface of the test box, and a cold head frame of the Stirling refrigerator extends into the test cavity; the supporting and moving mechanism comprises a supporting plate, rolling wheels are connected to two sides of the supporting plate in a rolling mode, speed-reducing friction lines are arranged on the surfaces of the rolling wheels, an iron block is fixedly installed on the front face of the supporting and moving mechanism, and the electromagnet is magnetically connected with the iron block after being electrified; a thermometer is fixedly arranged on the upper surface of the supporting and moving mechanism, an upper connecting frame is arranged on the upper surface of the supporting and moving mechanism and positioned on the right side of the thermometer, a sliding frame is connected below the upper connecting frame positioned on the front side in a sliding manner, and an oxygen gas cavity is formed in the upper connecting frame positioned on the back side; a pressing plate is connected between the upper connecting frames in a sliding mode, a sliding groove is formed in the upper connecting frame positioned on the front side, the sliding frame slides in the sliding groove, a limiting cavity is formed in the side face of the sliding frame, the end portion of the pressing plate slides in the limiting cavity, a connecting plate is fixedly installed above the pressing plate, and a pulling plate is fixedly installed between the two connecting plates; the side, far away from the sliding frame, of the pressing plate is fixedly provided with a push rod, the output end of the push rod is provided with a sucker, a piston is fixedly arranged above the push rod and slides in an oxygen gas cavity, and the shape of the oxygen gas cavity is eta-shaped.
2. The superconducting terahertz source space radiation testing device based on the helical scanning technology as claimed in claim 1, wherein: the use steps are as follows:
a: the operating platform of the device is placed on the ground, when the superconducting terahertz source is installed, the pulling plate is pulled, the pulling plate is fixedly connected with the pressing plates, so that the sliding frame is driven to move upwards, the superconducting terahertz radiation source is conveniently clamped below the two pressing plates, the connecting plate is pressed, the pressing plates clamp two ends of the superconducting terahertz radiation source, the piston slides in the oxygen gas cavity, the sucker attracts the side face of the superconducting terahertz radiation source, and the superconducting terahertz radiation source is stably fixed;
b: after the step A is finished, the supporting and moving mechanism and the superconducting terahertz radiation source are integrally placed on a linear guide rail of the test box, the interior of the test cavity is vacuumized, the Stirling refrigerator is cooled, the oxygen liquefaction volume in the oxygen gas cavity is rapidly reduced, and therefore the attraction of the sucker to the superconducting terahertz radiation source is increased, and the phenomenon that the superconducting terahertz radiation source is dislocated in the moving process along with the supporting and moving mechanism to cause inaccurate test is avoided;
c: when the step B is finished, the driving motor drives the roller inside the sliding sleeve to rotate on the outer surface of the sliding rail, the radiation signal detection probe collects the radiation signal in a single plane of the superconducting terahertz radiation source, when the radiation signal detection probe rotates for a circle, the rack on the upper part of the sliding sleeve is meshed with the external gear for transmission to drive the internal rotating shaft to rotate, thereby pulling the sliding electrode to slide on the outer surface of the track, leading the sliding electrode to be communicated with the fixed electrode to supply power to the electromagnet, leading the magnetic field of the electromagnet to attract the iron block on the surface of the supporting and moving mechanism, leading the whole supporting and moving mechanism to move in the testing cavity by the same interval distance, thus, the radiation signal detection probe drives the supporting and moving mechanism to do discontinuous linear motion in the test box while rotating on the outer surface of the test box, the overall space radiation condition of the superconducting terahertz source is rapidly tested in a spiral scanning mode;
d: and after the step C is finished, the radiation signal detection probe transmits the acquired radiation signal to the light path transmission system, the controller performs three-dimensional modeling on the detected signal, and the controller can obtain the power intensity of the three-dimensional radiation signal of the sample.
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| CN205449288U (en) * | 2016-02-22 | 2016-08-10 | 南京大学 | Automatic change portable terahertz and radiate spatial distribution detector now |
| CN106323465B (en) * | 2016-09-26 | 2018-06-26 | 深圳市太赫兹科技创新研究院 | Be delayed line apparatus and terahertz time-domain spectroscopy instrument system |
| CN111505629B (en) * | 2020-05-08 | 2021-02-02 | 中国科学院国家空间科学中心 | Terahertz security inspection imaging system and method |
| CN112345071B (en) * | 2020-11-05 | 2022-06-07 | 南京工程学院 | Low-temperature rotation test system suitable for terahertz radiation power |
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