CN111443042A - Measuring device for variable-temperature long afterglow characteristic - Google Patents
Measuring device for variable-temperature long afterglow characteristic Download PDFInfo
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- CN111443042A CN111443042A CN202010486712.4A CN202010486712A CN111443042A CN 111443042 A CN111443042 A CN 111443042A CN 202010486712 A CN202010486712 A CN 202010486712A CN 111443042 A CN111443042 A CN 111443042A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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Abstract
The application discloses measuring device of alternating temperature long persistence characteristic adopts electromechanical scheme to realize exciting light path and detection light path one-way gate, has solved the problem of signal trailing that leads to because of the strong scattered light before the outage and the signal fluctuation that leads to because of the outage when adopting the outage mode. The measuring device comprises an excitation light source, a temperature changing component, a detection component and an adjusting component; the temperature changing component is positioned below the adjusting component, and the excitation light source and the detection component are both positioned above the adjusting component; the adjusting assembly comprises a turntable, a driving source and a plurality of lenses, the turntable is positioned above the lenses, a plurality of turntable through holes matched with the lenses for use are formed in the surface of the turntable, and the driving source is connected with the turntable; the excitation light source and the detection component are respectively connected with different lens light paths in the adjusting component; in the adjusting assembly, the driving source drives the turntable to rotate to adjust the relative position of the turntable through hole and the lens, so that the lens is in a light-passing state or a light-blocking state.
Description
Technical Field
The application relates to a measuring device for variable-temperature long afterglow characteristics, and belongs to the field of optical test instruments.
Background
The afterglow material is a photoluminescent material which can continue to luminesce within seconds to hours after being irradiated by light. The long afterglow material can glow for a long time (generally over 1 hour), has the functions of emergency display, safety illumination, radiation detection and the like, and is widely applied to the fields of military aviation, medical radiography, traffic indication, photoelectric devices and the like.
In the prior art, a test mode of a long afterglow material is to put the long afterglow material in a dark place to heat up so as to empty a trap of the long afterglow material, irradiate the material by external light, stop irradiation, and measure a characteristic curve of the long afterglow material changing along with temperature through continuous heating; the other thermoluminescence characteristic test is to control the extinguishing and lighting time of the exciting light and the acquisition time of the detection system through software to realize irradiation and detection light path gating. However, in the scheme of implementing afterglow characteristic measurement by means of power-on and power-off: if the photomultiplier is used for detection, signal fluctuation generated when the power is switched on and off can cause unstable signals of the photomultiplier; if the fiber spectrometer is used for detection, the CCD is always in a light-passing or even over-exposure state during excitation illumination irradiation, so that background signal accumulated signal trailing which cannot be deducted exists in the CCD during detection.
Disclosure of Invention
According to the application, the measuring device for the variable-temperature long afterglow characteristic is provided, the relative position of the through hole of the rotary table and the relative position of the lens are adjusted through the motor, the single-path gating of the excitation light path and the detection light path is realized by the aid of the positioning pin, and the problems of signal trailing caused by strong scattering light before power failure and signal fluctuation caused by power failure in the power failure mode are solved.
A measuring device for variable-temperature long afterglow characteristics comprises an excitation light source, a variable-temperature component, a detection component and an adjusting component;
the temperature-changing component is connected below the adjusting component, and the excitation light source and the detection component are both connected above the adjusting component;
the adjusting assembly comprises a turntable, a driving source and a plurality of lenses, the turntable is positioned above the lenses, a plurality of turntable through holes matched with the lenses for use are formed in the surface of the turntable, and the driving source is connected with the turntable;
the excitation light source and the detection component are respectively connected with different lens light paths in the adjusting component;
in the adjusting assembly, the driving source drives the turntable to rotate to adjust the relative position of the turntable through hole and the lens, so that the lens is in a light-transmitting state or a light-blocking state.
Optionally, the adjusting assembly further includes a lens holder, the turntable is located above the lens holder, a plurality of lens holder through holes are formed in the top surface of the lens holder, and the lens is fixed in the lens holder through holes.
Optionally, the top surface of the lens holder is an inclined surface inclined in an outward and downward direction, and the lens holder through hole is located on the top surface of the lens holder.
Optionally, the lens holder through-holes contain a first type lens holder through-hole and a second type lens holder through-hole; the first type lens seat through hole is used for connecting the excitation light source with a test sample light path; the second type of lens holder through hole is used for optically connecting the test sample with a detection component.
Optionally, the surface of the rotary table is an inclined surface inclined in the outward downward direction, and the rotary table through hole is located on the top surface of the rotary table.
Optionally, the turntable through hole comprises a first type turntable through hole and a second type turntable through hole;
the first type turntable through hole is matched with the first type lens seat through hole: when the first type turntable through hole and the first type lens holder through hole are in a light-transmitting state, the second type turntable through hole and the second type lens holder through hole are staggered, so that the lens in the second type lens holder through hole is in a light-blocking state;
the second type turntable through hole is matched with the second type lens holder through hole: when the second type turntable through hole and the second type lens holder through hole are in a light-transmitting state, the first type turntable through hole and the first type lens holder through hole are staggered, so that the lens in the first type lens holder through hole is in a light-blocking state.
Optionally, the number of the lens holder through holes is 3, the lens holder through holes are respectively a first lens holder through hole, a second lens holder through hole and a third lens holder through hole, and the included angle between every two adjacent lens holder through holes is 120 degrees; the first lens seat through hole is a first type lens seat through hole, and the second lens seat through hole and the third lens seat through hole are second type lens seat through holes; the number of the turntable through holes is 3, the turntable through holes are respectively a first turntable through hole, a second turntable through hole and a third turntable through hole, the included angle between the first turntable through hole and the second turntable through hole is 180 degrees, and the included angle between the second turntable through hole and the third turntable through hole is 120 degrees; the first turntable through hole is a first type turntable through hole, and the second turntable through hole and the third turntable through hole are second type turntable through holes; the included angles between the lens seat through hole and the turntable through hole are all measured in the clockwise direction.
Optionally, the number of the lens holder through holes is 2, the lens holder through holes are respectively a first lens holder through hole and a second lens holder through hole, and an included angle between the first lens holder through hole and the second lens holder through hole is 120 degrees; the first lens seat through hole is a first type lens seat through hole, and the second lens seat through hole is a second type lens seat through hole; the number of the turntable through holes is 2, the turntable through holes are respectively a first turntable through hole and a second turntable through hole, and an included angle between the first turntable through hole and the second turntable through hole is 180 degrees, wherein the first turntable through hole is a first type turntable through hole, and the second turntable through hole is a second type turntable through hole; the included angles between the lens seat through hole and the turntable through hole are all measured in the clockwise direction.
Optionally, the number of the lens holder through holes is 3, the lens holder through holes are respectively a first lens holder through hole, a second lens holder through hole and a third lens holder through hole, and the included angle between every two adjacent lens holder through holes is 120 degrees; the first lens seat through hole is a first type lens seat through hole, and the second lens seat through hole and the third lens seat through hole are second type lens seat through holes; the number of the turntable through holes is 2, the turntable through holes are respectively a first turntable through hole and a second turntable through hole, and an included angle between the first turntable through hole and the second turntable through hole is 180 degrees, wherein the first turntable through hole is a first type turntable through hole, and the second turntable through hole is a second type turntable through hole; the included angles between the lens seat through hole and the turntable through hole are all measured in the clockwise direction.
Optionally, a limiting member is arranged on the turntable, the limiting member includes a limiting groove and a limiting pin, the limiting pin is fixed relative to the lens, the limiting pin is inserted into the limiting groove, and the driving source drives the turntable to move relative to the limiting pin along the limiting groove.
Optionally, the limiting groove is an arc-shaped groove coaxial with the turntable, the upper end of the limiting pin is fixed on the outer seat, and the lower end of the limiting pin is inserted into the arc-shaped groove.
Optionally, the excitation light source includes a laser source, an optical fiber, and a focusing straight tube, laser emitted from the laser source is incident into the optical fiber, the optical fiber is coupled with one end of the focusing straight tube through an optical fiber connector, and the focusing straight tube corresponds to the first lens in the through hole of the first type lens holder.
Optionally, the detection component comprises a single point tester and/or a multi-point tester.
Optionally, the detection assembly comprises a photomultiplier tube and a fiber optic spectroscopy system; the photomultiplier corresponds to a second lens in the through hole of the second type lens holder, and the fiber spectroscopy system corresponds to a third lens in the through hole of the second type lens holder.
Optionally, the measuring device further comprises an outer seat, a plurality of outer seat through holes are formed in the outer seat, and the excitation light source and the detection assembly are respectively fixed in the outer seat through holes.
Optionally, the focusing straight cylinder, the photomultiplier and the optical fiber spectroscopy system are respectively located in different through holes of the outer base and respectively correspond to different lenses, and the unused through holes are plugged by through hole plugs.
Optionally, the adjustment assembly further comprises a chassis on which the lens holder is mounted.
Optionally, the temperature change assembly is connected with the chassis in the adjusting assembly through a rotating disc.
The beneficial effects that this application can produce include:
the utility model provides a measuring device of thermoluminescence characteristic, this measuring device can adopt the carousel to lead to light and be in the light and switch in the light in thermoluminescence characteristic measurement and alternating temperature long afterglow decay characteristic test, not only make and arouse the light with detect the light path not simultaneously, detection accuracy descends when having avoided arousing in-process sample light signal accumulation to lead to detecting, leads to the signal unstability because of the high-pressure break-make in the twinkling of an eye when having avoided photomultiplier switch in addition. Meanwhile, the turntable can block light for the detection system during excitation, and background signal accumulation which cannot be deducted hardly exists in the CCD of the fiber spectrometer, so that the detection accuracy and sensitivity are improved. Because signal fluctuation is avoided and the light-transmitting and light-blocking states are switched quickly, the time detection limit of the front end of the attenuation characteristic curve of the long afterglow material can be as short as dozens of milliseconds.
Drawings
FIG. 1 is a schematic structural diagram of a device for measuring pyroelectric properties according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of a device for measuring pyroelectric properties in accordance with one embodiment of the present application;
FIG. 3 is a schematic diagram of a turntable in an adjustment assembly according to an embodiment of the present application;
FIG. 4 is a schematic view of a lens housing of an adjustment assembly according to an embodiment of the present application;
FIG. 5 is a schematic view of a first position-limiting state of the position-limiting device according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of a second position-limiting state of the position-limiting device according to an embodiment of the present disclosure;
FIG. 7 is a schematic structural view of a turntable in an adjustment assembly according to another embodiment of the present application;
FIG. 8 is a schematic view of a lens housing of an adjustment assembly according to another embodiment of the present application.
List of parts and reference numerals:
1PMT seat, 2PMT, 3 optical fiber joint
4 a focusing straight cylinder, 5 a motor, 6 a motor seat,
7 outer seats, 8 outer seat through holes, 9 chassis,
10 switching disks, 11 cold and hot tables, 12 transmission shafts,
13 a rotary disc, 14 a lens holder, 15 a lens holder through hole,
16 turret through-holes, 161 first turret through-holes, 162 second turret through-holes,
163 third turntable through hole 17 motor base mounting location, 18 motor shaft hole,
19 a transmission shaft hole, 20 lenses, 21 a lens seat blocking ring,
22 a limit groove and 23 a limit pin.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
A measuring device for variable-temperature long afterglow characteristics comprises an excitation light source, a variable-temperature component, a detection component and an adjusting component; the temperature changing component is positioned below the adjusting component, and the excitation light source and the detection component are both positioned above the adjusting component; the adjusting assembly comprises a turntable, a driving source and a plurality of lenses, the turntable is positioned above the lenses, a plurality of turntable through holes matched with the lenses for use are formed in the surface of the turntable, and the driving source is connected with the turntable; the excitation light source and the detection component respectively correspond to different lenses in the adjusting component, namely are connected by light paths; in the adjusting assembly, the driving source drives the turntable to rotate to adjust the relative position of the turntable through hole and the lens, so that the lens is in a light-passing state or a light-blocking state.
Specifically, the measuring device for the variable-temperature long afterglow characteristic comprises a variable-temperature component, an excitation light source, a detection component and an adjusting component. The temperature changing component is connected with a chassis in the adjusting component through an adapter plate. The chassis is positioned on the adapter plate, the adapter plate is used for adapting the chassis and the temperature change component, the sample is placed on or above the upper surface of the temperature change component and is fixed by the quartz clamping piece, and the temperature change component is preferably a cold-hot table. When the sample is positioned on the upper surface or above the temperature change component, the excitation light source and the detection component are simultaneously positioned above the sample, and when the sample is positioned on the lower surface or below the temperature change component, the excitation light source and the detection component are simultaneously positioned below the sample. The adjusting part is located between excitation light source and the sample, also be located between detection component and the sample simultaneously, the adjusting part contains lens and carousel, lens are close to the sample, the carousel is located between lens and the excitation light source, also be located simultaneously between lens and the detection component, and have the several carousel through-hole along with its rotation on it, unanimous with the lens size, the carousel through-hole is close to the marginal position of carousel, the circumferential motion of driving source drive carousel through-hole along the carousel, can make lens logical light or be in the light with lens, thereby make focus straight section of thick bamboo (being excitation light source) and detection component be in logical light state simultaneously.
The driving source is a motor, and the motor is positioned on a motor base assembling position in the middle of the turntable through a motor base.
Optionally, the adjusting assembly further comprises a lens holder, the turntable is located above the lens holder, a plurality of lens holder through holes are formed in the top surface of the lens holder, and the lens is fixed in the lens holder through holes.
Specifically, the lens is supported by the lens holder. An annular boss structure may be disposed within the lens holder through-hole to support the lens. The lens holder through hole is close to the edge position of the lens holder top surface.
Optionally, the top surface of the lens holder is an inclined surface inclined in an outward and downward direction, and the lens holder through hole is located on the top surface of the lens holder.
Optionally, the lens holder through-holes contain a first type lens holder through-hole and a second type lens holder through-hole;
the first type lens seat through hole is used for connecting the excitation light source with a test sample light path;
the second type of lens holder through hole is used for optically connecting the test sample with a detection component.
In this application, do not strictly restrict with relative position the quantity of lens holder through-hole, as long as can realize with the carousel through-hole effect of mutually supporting can.
Optionally, the number of lens holder through holes is 3.
Specifically, in the present application, 2 to 3 lenses are optionally arranged on the lens holder, and preferably 3 lenses are respectively arranged on the trisection positions of the lens holder. The number of lens holder through holes on the lens holder can be selected from 2 to 3, the lens holder through holes are located on the lens holder and used for placing lenses, and the number of the lens holder through holes is preferably 3.
Optionally, a through hole is left in the center of the lens holder and can be blocked by a lens holder blocking ring.
Optionally, there are 3 lens holder through holes, and an included angle between two adjacent lens holder through holes is 120 °.
Optionally, the surface of the rotary table is an inclined surface inclined in the outward and downward directions, and the rotary table through hole is located on the top surface of the rotary table.
Optionally, the turntable through holes comprise a first type turntable through hole and a second type turntable through hole;
the first type turntable through hole is matched with the first type lens seat through hole: when the first type turntable through hole and the first type lens base through hole are in a light-transmitting state, the second type turntable through hole and the second type lens base through hole are staggered, so that the lens in the second type lens base through hole is in a light-blocking state, and at the moment, the excitation light path is communicated, the test light path is blocked and is in an excitation state;
the second type carousel through-hole cooperatees with second type lens holder through-hole: when the second type turntable through hole and the second type lens base through hole are in a light-transmitting state, the first type turntable through hole and the first type lens base through hole are staggered, so that the lens in the first type lens base through hole is in a light-blocking state, and at the moment, the test light path is communicated and the excitation light path is blocked, so that the test state is realized.
In this application, the number and relative position of the through holes of the turntable are not strictly limited, as long as the effect of mutually matching with the through holes of the lens holder can be realized.
Optionally, the number of carousel through-holes is 2-3.
Specifically, the turntable is driven by a motor to drive a transmission shaft to rotate after being transmitted, and a turntable through hole is formed in the turntable. The turntable has 2-3 through holes which are positioned on the turntable, and the lens can be light-through or light-blocking through the position switching of the through holes, so that the focusing straight cylinder and the detection assembly are not in a light-through state at the same time.
In a specific example, the number of the lens holder through holes is 3, the lens holder through holes are respectively a first lens holder through hole, a second lens holder through hole and a third lens holder through hole, and the included angle of the adjacent lens holder through holes is 120 degrees;
the first lens seat through hole is a first type lens seat through hole, and the second lens seat through hole and the third lens seat through hole are second type lens seat through holes;
the number of the turntable through holes is 3, the turntable through holes are respectively a first turntable through hole, a second turntable through hole and a third turntable through hole, the included angle between the first turntable through hole and the second turntable through hole is 180 degrees, and the included angle between the second turntable through hole and the third turntable through hole is 120 degrees;
the first turntable through hole is a first type turntable through hole, and the second turntable through hole and the third turntable through hole are second type turntable through holes;
the included angles between the lens seat through hole and the turntable through hole are all measured in the clockwise direction.
Specifically, 3 turntable through holes are formed in the turntable, the included angle between two adjacent turntable through holes (a first turntable through hole and a second turntable through hole) is 180 degrees, and the included angle between the remaining turntable through hole (a third turntable through hole) and the second turntable through hole is 120 degrees.
Two turntable through holes (a second turntable through hole and a third turntable through hole) with an included angle of 120 degrees are used for controlling the light passing state of the lens corresponding to the detection assembly, and the other turntable through hole (a first turntable through hole) is used for controlling the light passing state of the lens corresponding to the excitation light source. Therefore, the excitation light path and the detection light path are not communicated with light at the same time.
Specifically, for example, the second turntable through hole is used to control the light passing or blocking state of the lens corresponding to the photomultiplier tube, the third turntable through hole is used to control the light passing or blocking state of the lens corresponding to the fiber spectroscopic system, and the first turntable through hole is used to control the light passing or blocking state of the lens corresponding to the focusing straight tube.
Optionally, be equipped with stop member on the carousel, stop member includes spacing groove and spacer pin, and the spacer pin is fixed for the lens, and the spacer pin interlude sets up in the spacing groove, and the driving source drive carousel moves for the spacer pin along the spacing groove.
In particular, a limiting device on the turntable limits the limit positions that the turntable through holes can reach through rotation. The limiting device comprises a limiting device limiting groove and a limiting pin, the limiting groove is arranged on the rotary table, the limiting pin is arranged on the outer seat, the limiting pin is arranged on the limiting groove on the outer seat and pointing to the rotary table, and the limiting pin is assembled in the limiting groove to enable the limiting groove to rotate around the limiting pin
The limiting device can be arranged on the disc surface of the turntable or can be arranged on the side wall of the limiting device. Two limit states can be switched by changing the hole positions of the through holes of the turntable through the limit grooves, so that the focusing straight cylinder and the detection assembly are not in a light-transmitting state at the same time, and the rotation of the focusing straight cylinder and the detection assembly is stopped by the limit pin when the focusing straight cylinder and the detection assembly reach a certain limit state.
Optionally, the limiting groove is an arc-shaped groove coaxial with the turntable, the upper end of the limiting pin is fixed on the outer seat, and the lower end of the limiting pin is inserted into the arc-shaped groove.
Specifically, the limiting groove is arranged on the disk surface of the turntable, the radian of the arc-shaped groove, namely the rotating angle is determined according to the limiting state, preferably 0-60 degrees, and preferably the arc-shaped groove rotates by taking a single limiting pin as a center.
Optionally, the excitation light source includes a laser source, an optical fiber and a focusing straight tube, the laser emitted from the laser source is incident into the optical fiber, the optical fiber is coupled with one end of the focusing straight tube through an optical fiber joint, and the focusing straight tube corresponds to the first lens in the through hole of the first type lens holder
Specifically, the excitation light source is remotely guided by an optical fiber and focused by a focusing straight cylinder.
Optionally, the detection component comprises a single point tester and/or a multi-point tester.
In particular, the detection assembly includes a single point detector, preferably a photomultiplier tube (PMT), and a multi-point detector, preferably a fiber optic spectroscopy system, or either. Wherein the PMT is supported by the PMT mount.
The detection assembly can be externally connected with a control and data processing system to control the working state of each part of the device and process the signal of the monitoring system, thereby realizing the measurement of the thermoluminescence characteristic and carrying out the measurement of the long afterglow attenuation characteristic under the condition of variable temperature.
Optionally, the detection assembly comprises a photomultiplier tube and a fiber optic spectroscopy system; the photomultiplier corresponds to the second lens, and the fiber spectroscopy system corresponds to the third lens.
Optionally, the measuring device further comprises an outer seat, the outer seat is provided with a plurality of outer seat through holes, and the excitation light source and the detection assembly are respectively fixed in the outer seat through holes.
Specifically, the outer seat through holes are close to the edge of the outer seat, if the outer seat through holes are not plugged by using through hole plugs, the number of the outer seat through holes can be 2-3, and the outer seat through holes can be communicated with the lens through turntable through holes.
Optionally, the number of the outer seat through holes is 3, the outer seat through holes are uniformly distributed on the outer seat along the circumferential direction, and the focusing straight tube, the photomultiplier tube and the optical fiber spectroscopy system are respectively located in different outer seat through holes and respectively correspond to different lenses.
Specifically, the motor, the detection assembly and the focusing straight cylinder are all positioned on the outer seat. The outer seat through hole is positioned at the trisection position of the outer seat, the motor is positioned at the center of the outer seat, the PMT, the optical fiber spectroscopic system and the focusing straight cylinder are respectively positioned in the outer seat through hole of the outer seat, and the outer seat through hole is close to the edge position of the outer seat. The outer seat through holes correspond to the lens seat through holes one by one, wherein the outer seat through holes where the PMT and the optical fiber spectroscopy system are located correspond to the second type lens seat through holes, and the focusing straight cylinder corresponds to the first type lens seat through holes.
Optionally, the adjustment assembly further comprises a chassis on which the lens holder is mounted.
Optionally, the temperature change assembly is connected with the chassis in the adjustment assembly through a rotating disc.
Specifically, after each component above the lens seat blocking ring is taken down, the adapter plate is rotationally taken down, and a sample can be placed on or taken down from the temperature changing component.
When the turntable is in a first limit state, the excitation light path is communicated, and the detection light path is blocked; when the turntable is in a second limit state, the light path is excited to be blocked, and the detection light path is communicated.
Specifically, under the optimal conditions, when the first rotary table through hole rotates to the position of the lens seat through hole (in which the first lens is arranged) corresponding to the focusing straight cylinder, the first rotary table through hole is limited by the limiting groove and the limiting pin, at the moment, the focusing straight cylinder is in light transmission with the first lens through the first rotary table through hole, the light beam emitted by the excitation light source can enter the device from the focusing straight cylinder and irradiate a sample, and at the moment, the optical fiber spectroscopic system and the PMT are in a light blocking state due to the dislocation of the rotary table through holes (namely, the second rotary table through hole and the third rotary table through hole).
When the second turntable through hole and the third turntable through hole (two through holes are positioned at trisection positions, wherein 1 through hole is positioned at trisection positions) rotate and respectively reach the position of the lens seat through hole (internally provided with the second lens) corresponding to the PMT and the position of the lens seat through hole (internally provided with the third lens) corresponding to the optical fiber spectroscopy system, the PMT and the second lens are limited by the limiting groove and the limiting pin, the PMT passes through the second turntable through hole and the optical fiber spectroscopy system passes through the third turntable through hole and the third lens, an optical signal emitted by a sample can enter the PMT and the optical fiber spectroscopy system and is detected, and the focusing straight cylinder is in a light blocking state due to dislocation of the turntable through holes (namely the first turntable through hole). Because the detection system is shielded when the excitation light source is on light and the excitation light source is shielded when the detection system is on light, the excitation light path and the detection light path are not on light at the same time.
Example 1
FIG. 1 is a schematic structural view of a device for measuring thermoluminescent characteristics in an embodiment; FIG. 2 is a cross-sectional view of a device for measuring characteristics of pyroelectric light in this embodiment; FIG. 3 is a schematic structural diagram of a turntable in the adjusting assembly of the present embodiment; FIG. 4 is a schematic structural diagram of a lens holder of the adjusting assembly of the present embodiment; the present embodiment will be specifically described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, the measurement apparatus with variable temperature and long afterglow characteristics provided in this embodiment includes a PMT holder 1, a PMT2, an optical fiber connector 3, a focusing straight barrel 4, a motor 5, a motor holder 6, an outer holder 7, an outer holder through hole 8, a chassis 9, an adapter plate 10, a cooling and heating table 11, a transmission shaft 12, a turntable 13, a turntable through hole 16, a lens holder 14, a lens holder through hole 15, a lens holder blocking ring 21, a lens 20, a limiting groove 22, a limiting pin 23, an excitation light source, an optical fiber spectroscopy system, and a control and data processing system, wherein the optical fiber spectroscopy system can be connected to the outer holder through hole 8.
The cold and hot platform 11 is coupled with the measuring device component with variable temperature and long afterglow characteristics through the adapter plate 10, the chassis 9 in the adjusting component is positioned above the adapter plate 10, the lens seat 14 is assembled on the chassis 9, the side peripheral wall of the lens seat 14 is contacted and fixed with the chassis 9, 3 lenses 20 are respectively arranged in the lens seat through holes 15 positioned on the top surface of the lens seat 14, and the lens seat central through hole is blocked by a lens seat blocking ring 21. The 3 lens holder through holes 15 are positioned at trisection positions on the lens holder 14. The turntable 13 is located above the lens holder 14 and has a turntable through hole 16 and a limiting device. Turntable 13 has 3 turntable through holes 16, which are a first turntable through hole 161, a second turntable through hole 162 and a third turntable through hole 163, wherein the centers of the second turntable through hole 162 and the first turntable through hole 161 are located at the bisection position of turntable 13, the center of the third turntable through hole 163 is located at the trisection position of the contour line, i.e. the included angle between the first turntable through hole 161 and the second turntable through hole 162 is 180 °, and the included angle between the second turntable through hole 162 and the third turntable through hole 163 is 120 °. The limiting means on the turntable 13 limit the limit positions that the turntable through-hole 16 can reach by rotation. The limiting device comprises a limiting groove 22 and a limiting pin 23. The hole positions of the through holes 16 of the rotary disc can be changed through the limiting device and the rotary disc 13 to switch two limiting states (see embodiment 2 specifically), so that the optical fiber spectroscopic system and the PMT2 are not in a light-transmitting state at the same time as the focusing straight cylinder 4, when the preset limiting state is reached, the rotation of the optical fiber spectroscopic system and the PMT2 is stopped through the limiting pin 23, the rotation angle is 0-60 degrees, and the optical fiber spectroscopic system and the PMT rotate around the single limiting pin 23. The outer seats 7 are positioned above the rotating disc 13, and the 3 outer seat through holes 8 are in one-to-one correspondence with the lens seat through holes 15 and are positioned at trisection positions. The motor 5, the detection system and the focusing straight cylinder 4 are all positioned on an outer seat 8, wherein the motor 5 is positioned in the center of the outer seat 7, and the PMT seat 1, the optical fiber spectrum system and the focusing straight cylinder 4 are respectively positioned in an outer seat through hole 8 at the trisection position of the outer seat 7. Illustratively, the fiber optic spectroscopy system may be coupled to the outer mount through-hole 8 via another focusing cylinder and fiber than the focusing cylinder 4 coupled to the excitation light source. PMT2 is fitted into PMT housing 1. The motor 5 is mounted on a motor base mounting position 17 of the rotary table 13 through a motor base 6. The focusing straight cylinder 4 is connected with an optical fiber through an optical fiber connector 3 and is connected with an excitation light source through the optical fiber.
When the second turntable through hole 162 at the halving position and the outer seat through hole 8 at the trisecting position are in a through state, the third turntable through hole 163 and the outer seat through hole 8 are also in a through state, and the outer seat through hole 8 at the focusing straight cylinder 4 is staggered with the first turntable through hole 161 (at this time, a detection state is adopted, that is, two turntable through holes are communicated with the detection assembly, and the remaining one turntable through hole is staggered with the focusing straight cylinder). The motor 5 is assembled on the motor base 6 and connected with the transmission shaft 12, and the turntable 13 is connected with the motor shaft hole 18 through the transmission shaft hole 19 penetrating the outer base 7 and drives the turntable 13 to rotate. The control and data processing system may be in communication with the PMT2 or the fiber optic spectroscopy system.
Example 2
As shown in fig. 5, when the limiting device is in the first limiting state, the first rotating disc through hole 161 is communicated with the corresponding lens holder through hole 15 and the outer holder through hole 8, the focusing cylinder 4 is in the light-transmitting state, the light beam emitted by the excitation light source can enter the device from the focusing cylinder 4 and irradiate the sample, and the PMT2 and the optical fiber spectroscopy system are in the light-blocking state due to the misalignment of the second rotating disc through hole 162 and the third rotating disc through hole 163.
When the limiting device is in the second limiting state (in fig. 5 to 6, when the first limiting state is changed into the second limiting state, the turntable is rotated counterclockwise in the figure), at this time, the second turntable through hole 162 is communicated with the corresponding lens holder through hole 15 and the outer holder through hole 8, the third turntable through hole 163 is communicated with the corresponding lens holder through hole 15 and the outer holder through hole 8, the PMT2 and the optical fiber spectroscopy system are in the light-transmitting state, the optical signal emitted by the sample can enter the PMT2 and the optical fiber spectroscopy system and be detected, and the focusing straight cylinder 4 is in the light-blocking state due to the dislocation of the first turntable through hole 161.
Example 3
The measuring device of the variable temperature long afterglow characteristic measures the variable temperature long afterglow attenuation characteristic as follows:
the sample was placed on the cold-hot stage 11, and the thermoluminescent property test apparatus was assembled. The components above the adapter plate 10 can be separated and assembled as a whole. The PMT2 and fiber optic spectroscopy system were turned on.
The motor is started through the control and data processing system, the rotating disc 13 is driven to rotate to enable the rotating disc to be in the first limit state, and then the cold and hot table 11 is driven to enable the temperature of the sample to be changed to the preset value.
And (3) starting an excitation light source, guiding light beams into the focusing straight cylinder 4 through the optical fiber 3, irradiating the sample through the lens 20, driving the rotary disc 13 to rotate through the motor 5 after 10s to enable the rotary disc to be in the second limit state, and rotating from the first limit state to the second limit state within 50ms, wherein the reverse rotation takes the same time. The afterglow signal from the sample enters into PMT2 and fiber optic spectrum system via lens 20 to obtain the decay curve of the afterglow with time.
Example 4
FIG. 7 is a schematic structural diagram of a turntable in the adjustment assembly of the present embodiment; FIG. 8 is a schematic structural diagram of a lens holder of the adjusting assembly of the present embodiment; the present embodiment will be specifically described below with reference to fig. 7 to 8.
As shown in fig. 7, fig. 8, and fig. 1 and fig. 2, the temperature-variable long afterglow characteristic measuring device provided in this embodiment includes a PMT seat 1, a PMT2, an optical fiber connector 3, a focusing straight cylinder 4, a motor 5, a motor seat 6, an outer seat 7, an outer seat through hole 8, a chassis 9, an adapter plate 10, a cooling and heating table 11, a transmission shaft 12, a turntable 13, a turntable through hole 16, a lens seat 14, a lens seat through hole 15, a lens seat blocking ring 21, a lens 20, a limiting groove 22, a limiting pin 23, an excitation light source, and a control and data processing system.
The cold and hot platform 11 is coupled with the measuring device component with variable temperature and long afterglow characteristics through an adapter plate 10, a chassis 9 in the adjusting assembly is positioned on the adapter plate 10, a lens seat 14 is assembled on the chassis 9, and the side peripheral wall of the lens seat 14 is contacted with and fixed on the chassis 9. As shown in fig. 8, 2 lenses 20 are respectively mounted in two lens holder through holes 15 formed in the top surface of the lens holder 14, and the lens holder center through hole is blocked by a lens holder blocking ring 21. The two lens holder through holes 15 are located at two trisection positions (included angle is 120 °) on the lens holder 14. The turntable 13 is located above the lens holder 14 and has a turntable through hole 16 and a limiting device. As shown in fig. 7, the turntable 13 has 2 turntable through holes 16, which are a first turntable through hole 161 and a second turntable through hole 162, and their centers are at the bisected positions of the turntable 13, i.e. the included angle between the first turntable through hole 161 and the second turntable through hole 162 is 180 °. The limiting means on the turntable 13 limit the limit positions that the turntable through-hole 16 can reach by rotation. The limiting device comprises a limiting groove 22 and a limiting pin 23. The hole positions of the turntable through holes 16 can be changed through the limiting device and the turntable 13 to switch two limiting states (see embodiment 6 specifically), so that the PMT2 and the focusing straight tube 4 are not in a light-transmitting state at the same time, when the preset limiting state is reached, the PMT and the focusing straight tube 4 stop rotating through the limiting pin 23, the rotation angle is 0-60 degrees, and the PMT and the focusing straight tube rotate around the single limiting pin 23. The outer seats 7 are positioned above the rotating disc 13, and the two outer seat through holes 8 correspond to the lens seat through holes 15 one by one and are positioned at two trisection positions. The motor 5, the detection system and the focusing straight cylinder 4 are all positioned on an outer seat 8, wherein the motor 5 is positioned at the center of the outer seat 7, and the PMT seat 1 and the focusing straight cylinder 4 are respectively positioned in an outer seat through hole 8 at the trisection position of the outer seat 7. PMT2 is fitted into PMT housing 1. The motor 5 is mounted on a motor base mounting position 17 of the rotary table 13 through a motor base 6.
When the second turntable through hole 162 at the halving position and the outer seat through hole 8 at the trisecting position are in a through state (the second turntable through hole 162 and the lens 20 are in light conduction, and the first turntable through hole 161 and the lens 20 are staggered), the outer seat through hole 8 where the focusing straight cylinder 4 is located is staggered with the first turntable through hole 161 (at this time, a detection state is adopted, that is, one turntable through hole is in through connection with the detection assembly, and the remaining turntable through hole is staggered with the focusing straight cylinder). The motor 5 is assembled on the motor base 6 and connected with the transmission shaft 12, and the turntable 13 is connected with the motor shaft hole 18 through the transmission shaft hole 19 penetrating the outer base 7 and drives the turntable 13 to rotate. The control and data processing system may communicate with the PMT 2.
Example 5
When the limiting device is in the first limiting state, the first rotating disc through hole 161 is communicated with the corresponding lens seat through hole 15 and the outer seat through hole 8, the focusing straight cylinder 4 is in the light-transmitting state, light beams emitted by the excitation light source can enter the device from the focusing straight cylinder 4 and irradiate a sample, and the PMT2 is in the light-blocking state due to the dislocation of the second rotating disc through hole 162.
When the limiting device is in the second limiting state (when the first limiting state is changed into the second limiting state, the rotating disc is rotated anticlockwise), at this time, the second rotating disc through hole 162 is communicated with the corresponding lens seat through hole 15 and the outer seat through hole 8, the PMT2 is in the light-transmitting state, the optical signal emitted by the sample can enter the PMT2 and be detected, and the focusing straight cylinder 4 is in the light blocking state due to the dislocation of the first rotating disc through hole 161.
Example 6
The measuring device of the variable temperature long afterglow characteristic measures the variable temperature long afterglow attenuation characteristic as follows:
the sample was placed on the cold-hot stage 11, and the thermoluminescent property test apparatus was assembled. The components above the adapter plate 10 can be separated and assembled as a whole. PMT2 was turned on.
The motor is started through the control and data processing system, the rotating disc 13 is driven to rotate to enable the rotating disc to be in the first limit state, and then the cold and hot table 11 is driven to enable the temperature of the sample to be changed to the preset value.
And (3) starting an excitation light source, guiding light beams into the focusing straight cylinder 4 through the optical fiber 3, irradiating the sample through the lens 20, driving the rotary disc 13 to rotate through the motor 5 after 10s to enable the rotary disc to be in the second limit state, and rotating from the first limit state to the second limit state within 50ms, wherein the reverse rotation takes the same time. The afterglow signal from the sample enters the PMT2 through the lens 20, and the decay curve of the afterglow of the sample as a function of time can be obtained.
Example 7
With the assembly described in embodiment 1, as shown in fig. 1, 2 and 4, the turntable in this embodiment is the turntable in fig. 7. The 3 lens holder through holes 15 are now located in the upper three trisections of the lens holder (as shown in fig. 4). The turntable 13 is located above the lens holder 14 and has a turntable through hole 16 and a limiting device. As shown in fig. 7, the turntable 13 has 2 turntable through holes 16, which are a first turntable through hole 161 and a second turntable through hole 162, and their centers are at the bisected positions of the turntable 13, i.e. the included angle between the first turntable through hole 161 and the second turntable through hole 162 is 180 °. The limiting means on the turntable 13 limit the limit positions that the turntable through-hole 16 can reach by rotation. The limiting device comprises a limiting groove 22 and a limiting pin 23. The hole positions of the through holes 16 of the rotary disc can be changed through the limiting device and the rotary disc 13 to switch two limiting states (see embodiment 8 specifically), so that the PMT2 and the focusing straight tube 4 and the optical fiber spectroscopy system are not in a light-transmitting state at the same time, when the preset limiting state is reached, the rotation of the PMT2 is stopped through the limiting pin 23, the rotation angle is 0-60 degrees, and the PMT rotates by taking the single limiting pin 23 as the center. The outer seats 7 are positioned above the rotating disc 13, and the 3 outer seat through holes 8 correspond to the lens seat through holes 15 one by one and are positioned at three trisection positions. The motor 5, the detection system and the focusing straight cylinder 4 are all positioned on an outer seat 8, wherein the motor 5 is positioned in the center of the outer seat 7, and the PMT seat 1, the optical fiber spectrum system and the focusing straight cylinder 4 are respectively positioned in an outer seat through hole 8 at the trisection position of the outer seat 7. Illustratively, the fiber optic spectroscopy system may be connected to the outer mount through hole 8 through another focusing cylinder 4 and fiber optic different from the focusing cylinder 4 to which the excitation light source is connected. PMT2 is fitted into PMT housing 1. The motor 5 is mounted on a motor base mounting position 17 of the rotary table 13 through a motor base 6. The focusing straight cylinder 4 is connected with an optical fiber through an optical fiber connector 3 and is connected with an excitation light source through the optical fiber.
When the turntable through hole 162 at the halving position and the outer seat through hole 8 at the trisecting position are in a through state, the outer seat through hole 8 where the focusing straight cylinder 4 is located is staggered with the first turntable through hole 161 (at this time, a detection state is adopted, that is, one turntable through hole is through with the detection assembly, and the remaining turntable through hole is staggered with the focusing straight cylinder). The motor 5 is assembled on the motor base 6 and connected with the transmission shaft 12, and the turntable 13 is connected with the motor shaft hole 18 through the transmission shaft hole 19 penetrating the outer base 7 and drives the turntable 13 to rotate. The control and data processing system may be in communication with the PMT2 or the fiber optic spectroscopy system.
Example 8
When the limiting device is in the first limiting state, the first turntable through hole 161 is communicated with the corresponding lens seat through hole 15 and the outer seat through hole 8, the focusing straight cylinder 4 is in the light-transmitting state, light beams emitted by the excitation light source can enter the device from the focusing straight cylinder 4 and irradiate a sample, and the PMT2 or the optical fiber spectroscopy system is in the light-blocking state due to the dislocation of the second turntable through hole 162.
When the limiting device is in the second limiting state (when the first limiting state is changed into the second limiting state, the rotating disc is rotated counterclockwise or clockwise), at this time, the second rotating disc through hole 162 is communicated with the corresponding lens seat through hole 15 and the outer seat through hole 8, the PMT2 or the optical fiber spectroscopy system is in the light-transmitting state, the optical signal emitted by the sample can enter the PMT2 and be detected, and the focusing straight cylinder 4 is in the light-blocking state due to the dislocation of the first rotating disc through hole 161.
Although the present application has been described with reference to a few embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims.
Claims (10)
1. The measuring device for the variable-temperature long afterglow characteristic is characterized by comprising an excitation light source, a variable-temperature component, a detection component and an adjusting component;
the temperature-changing component is positioned below the adjusting component, and the excitation light source and the detection component are both positioned above the adjusting component;
the adjusting assembly comprises a turntable, a driving source and a plurality of lenses, the turntable is positioned above the lenses, a plurality of turntable through holes matched with the lenses for use are formed in the surface of the turntable, and the driving source is connected with the turntable;
the excitation light source and the detection component are respectively connected with different lens light paths in the adjusting component;
in the adjusting assembly, the driving source drives the turntable to rotate to adjust the relative position of the turntable through hole and the lens, so that the lens is in a light-transmitting state or a light-blocking state.
2. The measuring device of claim 1, wherein the adjustment assembly further comprises a lens holder, the turntable is located above the lens holder, a top surface of the lens holder is provided with a plurality of lens holder through holes, and the lens is fixed in the lens holder through holes;
preferably, the lens holder through hole is located on the top surface of the lens holder;
preferably, the turntable through hole is located on a top surface of the turntable.
3. The measurement device of claim 2, wherein the lens holder through-holes comprise a first type of lens holder through-hole and a second type of lens holder through-hole;
the first type lens seat through hole is used for connecting the excitation light source with a test sample light path;
the second type of lens holder through hole is used for optically connecting the test sample with a detection component.
4. The measurement device of claim 3, wherein the carousel via comprises a first type of carousel via and a second type of carousel via;
the first type turntable through hole is matched with the first type lens seat through hole: when the first type turntable through hole and the first type lens holder through hole are in a light-transmitting state, the second type turntable through hole and the second type lens holder through hole are staggered, so that the lens in the second type lens holder through hole is in a light-blocking state;
the second type turntable through hole is matched with the second type lens holder through hole: when the second type turntable through hole and the second type lens holder through hole are in a light-transmitting state, the first type turntable through hole and the first type lens holder through hole are staggered, so that the lens in the first type lens holder through hole is in a light-blocking state.
5. The measuring device according to claim 4, wherein the number of the lens holder through holes is 3, the lens holder through holes are respectively a first lens holder through hole, a second lens holder through hole and a third lens holder through hole, and the included angles of the adjacent lens holder through holes are all 120 degrees;
the first lens seat through hole is a first type lens seat through hole, and the second lens seat through hole and the third lens seat through hole are second type lens seat through holes;
the number of the turntable through holes is 3, the turntable through holes are respectively a first turntable through hole, a second turntable through hole and a third turntable through hole, the included angle between the first turntable through hole and the second turntable through hole is 180 degrees, and the included angle between the second turntable through hole and the third turntable through hole is 120 degrees;
the first turntable through hole is a first type turntable through hole, and the second turntable through hole and the third turntable through hole are second type turntable through holes;
the included angles between the lens seat through hole and the turntable through hole are all measured in the clockwise direction.
6. The measuring device according to claim 4, wherein the number of the lens holder through holes is 2, the lens holder through holes are respectively a first lens holder through hole and a second lens holder through hole, and an included angle between the first lens holder through hole and the second lens holder through hole is 120 °;
the first lens seat through hole is a first type lens seat through hole, and the second lens seat through hole is a second type lens seat through hole;
the quantity of carousel through-hole is 2, is first carousel through-hole, second carousel through-hole respectively, and the contained angle between first carousel through-hole and the second carousel through-hole is 180 degrees
The first turntable through hole is a first type turntable through hole, and the second turntable through hole is a second type turntable through hole;
the included angles between the lens seat through hole and the turntable through hole are all measured in the clockwise direction.
7. The measuring device according to claim 4, wherein the number of the lens holder through holes is 3, the lens holder through holes are respectively a first lens holder through hole, a second lens holder through hole and a third lens holder through hole, and the included angles of the adjacent lens holder through holes are all 120 degrees;
the first lens seat through hole is a first type lens seat through hole, and the second lens seat through hole and the third lens seat through hole are second type lens seat through holes;
the number of the turntable through holes is 2, the turntable through holes are respectively a first turntable through hole and a second turntable through hole, and an included angle between the first turntable through hole and the second turntable through hole is 180 degrees;
the first turntable through hole is a first type turntable through hole, and the second turntable through hole is a second type turntable through hole;
the included angles between the lens seat through hole and the turntable through hole are all measured in the clockwise direction.
8. The measuring device according to claim 1, wherein the turntable is provided with a limiting member, the limiting member comprises a limiting groove and a limiting pin, the limiting pin is fixed relative to the lens holder, the limiting pin is inserted into the limiting groove, and the driving source drives the turntable to move relative to the limiting pin along the limiting groove;
preferably, the limiting groove is an arc-shaped groove coaxial with the rotary table, the upper end of the limiting pin is fixed on the outer seat, and the lower end of the limiting pin is inserted in the arc-shaped groove.
9. The measuring device according to claim 1, wherein the excitation light source comprises a laser source, an optical fiber and a focusing straight cylinder, the optical fiber is coupled with one end of the focusing straight cylinder through an optical fiber connector, and the focusing straight cylinder corresponds to the first lens in the through hole of the first type lens holder;
preferably, the detection component comprises a single point tester and/or a multi-point tester;
preferably, the detection assembly comprises a photomultiplier tube and a fiber optic spectroscopy system; the photomultiplier corresponds to a second lens in the through hole of the second type lens holder, and the fiber spectroscopy system corresponds to a third lens in the through hole of the second type lens holder.
10. The measuring device according to claim 1, further comprising an outer base, wherein a plurality of outer base through holes are formed in the outer base, and the excitation light source and the detection assembly are respectively fixed in the outer base through holes;
preferably, the focusing straight cylinder, the photomultiplier and the optical fiber spectroscopy system are respectively positioned in different through holes of the outer base and respectively correspond to different lenses, and the unused through holes are plugged by through hole plugs;
preferably, the adjusting assembly further comprises a chassis, and the lens holder is mounted on the chassis;
preferably, the temperature change assembly is connected with a chassis in the adjusting assembly through a rotating disc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010486712.4A CN111443042A (en) | 2020-06-01 | 2020-06-01 | Measuring device for variable-temperature long afterglow characteristic |
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| CN202010486712.4A CN111443042A (en) | 2020-06-01 | 2020-06-01 | Measuring device for variable-temperature long afterglow characteristic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539599A (en) * | 2023-07-04 | 2023-08-04 | 科美诊断技术股份有限公司 | Photo-excitation chemiluminescence detection device, control method and photo-excitation chemiluminescence analyzer |
-
2020
- 2020-06-01 CN CN202010486712.4A patent/CN111443042A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539599A (en) * | 2023-07-04 | 2023-08-04 | 科美诊断技术股份有限公司 | Photo-excitation chemiluminescence detection device, control method and photo-excitation chemiluminescence analyzer |
| CN116539599B (en) * | 2023-07-04 | 2024-03-26 | 科美诊断技术股份有限公司 | Photo-excitation chemiluminescence detection device, control method and photo-excitation chemiluminescence analyzer |
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