CN112034194A - Automatic sample feeding device for measuring selenium content of hair based on fluorescence spectrum - Google Patents
Automatic sample feeding device for measuring selenium content of hair based on fluorescence spectrum Download PDFInfo
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- CN112034194A CN112034194A CN202010961843.3A CN202010961843A CN112034194A CN 112034194 A CN112034194 A CN 112034194A CN 202010961843 A CN202010961843 A CN 202010961843A CN 112034194 A CN112034194 A CN 112034194A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
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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
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6402—Atomic fluorescence; Laser induced fluorescence
- G01N21/6404—Atomic fluorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1004—Cleaning sample transfer devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N35/1011—Control of the position or alignment of the transfer device
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses an automatic sample feeding device for measuring the selenium content of hair based on fluorescence spectrum, which comprises a support component, a pushing component, a liquid transferring component and a liquid storage component, wherein the support component comprises a support plate, a lifting component, a support leg and a universal brake wheel, the pushing component comprises a first electric push rod, a slide rail, a slide block and a test tube rack, and the liquid transferring component comprises a rotating motor, a rotary table, an electric cylinder, a connecting frame, an extrusion piece and a sample injection needle. The supporting assembly is convenient for height adjustment and movement; the pushing assembly is convenient for mounting the test tube and can push the test tube into the atomic fluorescence spectrum analyzer; move liquid subassembly and be arranged in transferring the current-carrying liquid sample in the first stock solution bucket to the test tube, and can wash in the inside of second stock solution bucket.
Description
Technical Field
The invention relates to the technical field of hair detection, in particular to an automatic sample feeding device for measuring the selenium content of hair based on fluorescence spectrum.
Background
Selenium can regulate the absorption and utilization of vitamin A, vitamin C, vitamin E and vitamin K and is beneficial to promoting the growth of hair, selenium is used for manufacturing selenoprotein by a human body and is beneficial to stimulating hair follicles to encourage new and healthy hair growth, and data support can be provided for doctors to judge the state of the hair through detecting the selenium element in the hair.
Fluorescence is the excitation of a substance after absorption of electromagnetic radiation, the re-emission of which by de-excitation of the excited atoms or molecules is at the same or different wavelength as the excitation radiation. The re-emission process stops immediately after the excitation light source stops irradiating the sample, and this re-emitted light is called fluorescence.
The fluorescence spectroscopy is used for measuring the content of selenium in hair, is more and more used in actual detection, and the sample plays an important role in fluorescence spectroscopy detection.
However, the existing sample feeding device is still operated manually in the using process, and in the continuous testing process, the manual labor is easy to make mistakes, so that the quality and the effect of the subsequent detection are influenced.
Disclosure of Invention
The invention aims to provide an automatic sample feeding device for measuring the selenium content of hair based on fluorescence spectrum, which can simply and conveniently realize automatic sample feeding, prevent manual continuous operation, reduce the labor amount of manpower, and reduce the possibility of error so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a device for automatically feeding a sample for measuring the selenium content of hair based on fluorescence spectroscopy comprises a supporting component, a pushing component, a liquid transferring component and a liquid storage component.
The supporting component comprises a supporting plate, a lifting part, supporting legs and universal brake wheels, the lifting part is installed in the lower part of the supporting plate, the supporting legs are installed in the lower part of the lifting part, the universal brake wheels are installed in the lower part of the supporting legs, the material pushing component comprises a first electric push rod, a sliding rail, a sliding block and a test tube rack, the first electric push rod is installed on the upper part of the supporting plate, a connecting rod is installed at the output end of the first electric push rod, the sliding rail is installed on the upper part of the supporting plate, the sliding block is installed on the upper side of the sliding rail in a sliding mode, the side part of the sliding block is connected with the side part of the connecting rod.
The liquid-transfering component comprises a rotating motor, a rotary disc, an electric cylinder, a connecting frame, an extrusion piece and a sample injection needle, wherein the rotating motor is installed on the upper portion of the slide rail, the rotary disc is installed at the output end of the rotary disc, the electric cylinder is installed on the upper portion of the rotary disc, the connecting frame is installed at the output end of the electric cylinder, the sample injection needle is installed on the lateral portion of the connecting frame, the lower portion of the sample injection needle is opposite to the upper portion of the test tube rack, the extrusion piece is installed on the lateral portion of the connecting frame, the extrusion piece is opposite to the outer side of the sample injection needle, the liquid-transfering component comprises a first liquid storage barrel and a second liquid storage barrel, the first liquid storage barrel is installed on the upper portion of the supporting plate, and.
Preferably, the lifting member comprises a bearing plate, a second electric push rod and a support rod, the second electric push rod is mounted on the upper portion of the bearing plate, the support rod is mounted at the output end of the second electric push rod, and the support leg is mounted on the lower portion of the bearing plate.
Preferably, the support plate is mounted on the upper portion of the support rod, and the lower side portion of the support plate and the side portion of the support rod are connected with a diagonal brace.
Preferably, the inner wall of the slide rail is a smooth surface, the outer wall of the slide block is a smooth surface, and the section of the slide block is in a convex shape.
Preferably, the test tube rack comprises two vertical plates and a transverse plate, the two vertical plates are arranged on the upper portion of the sliding block, the transverse plate is arranged between the two vertical plates, a plurality of slotted holes are formed in the middle of the transverse plate, and the parts, adjacent to the slotted holes, of the transverse plate are all glued with flexible sleeves.
Preferably, the upper portion of slider has the concatenation flexible pad, a plurality of recesses have been seted up on the upper portion of flexible pad, a plurality of the recess is with a plurality of slotted hole one-to-one.
Preferably, the injection needle includes a needle head, a needle tube and a rubber head, the needle tube is installed on the side of the connecting frame, the needle head is installed on the lower part of the needle tube, and the rubber head is installed on the upper part of the needle tube.
Preferably, the extruded part includes extrusion motor, two stripper plates, lead screw and deflector, the extrusion motor install in the lateral part of link, the lead screw install in the output of extrusion motor, two the equal threaded connection of stripper plate in the outside of lead screw, the deflector install in the lateral part of link, the upper wall of deflector with the stripper plate lower wall is clearance fit.
Preferably, the rubber head is located between the two extrusion plates, and the lower walls of the two extrusion plates are both provided with smooth surfaces.
Preferably, the upper wall of the guide plate is provided with a smooth surface.
In summary, due to the adoption of the technology, the invention has the beneficial effects that:
according to the invention, the supporting component comprises a supporting plate, a lifting piece, a supporting leg and a universal brake wheel, the rest parts are supported by the supporting plate, the lifting piece can be used for realizing integral lifting, the use of atomic fluorescence spectrum analysis instruments with different heights is convenient to adapt, the universal brake wheel is convenient for integral movement, and the butt joint with the atomic fluorescence spectrum analysis instruments is convenient;
according to the atomic fluorescence spectrometry instrument, the material pushing assembly comprises a first electric push rod, a slide rail, a slide block and a test tube rack, a test tube is placed through the test tube rack, a carrier fluid sample is convenient to transfer by using the test tube, the slide block is driven to slide on the upper portion of the slide rail through the operation of the first electric push rod, the test tube rack is further moved to the atomic fluorescence spectrometry instrument, and the sample is prevented from being manually placed into the atomic fluorescence spectrometry instrument;
in the invention, the liquid storage component comprises a first liquid storage barrel and a second liquid storage barrel, the liquid transfer component comprises a rotating motor, a rotary disc, an electric cylinder, a connecting frame, an extrusion piece and a sample injection needle, a liquid bearing sample is stored in the first liquid storage barrel, clean water is stored in the second liquid storage barrel, the rotary disc is driven to rotate by the operation of the rotating motor, the electric cylinder, the connecting frame, the extrusion piece and the sample injection needle are further driven to rotate, then the position of the sample injection needle is conveniently adjusted, the sample injection needle can be respectively opposite to the upper parts of the first liquid storage barrel, the second liquid storage barrel and a test tube, the connecting frame, the extrusion piece and the sample injection needle are driven to move up and down by the operation of the electric cylinder, the sample injection needle is further conveniently inserted into the inner sides of the first liquid storage barrel, the second liquid storage barrel and the test tube, the sample injection needle is driven to operate by the extrusion piece, and then will bear the weight of liquid sample and shift to the test tube, when the syringe is in second stock solution bucket inside, clean the syringe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic sectional view of an automatic sample feeding device for measuring the selenium content in hair based on fluorescence spectroscopy
FIG. 2 is a schematic top view, cross-sectional view of a part of the structure of the test tube rack of the automatic sample injection device for measuring the selenium content in hair based on fluorescence spectroscopy;
FIG. 3 is a schematic side view of a slide rail and a slide block of the automatic sample injection device for measuring selenium content in hair according to the present invention;
FIG. 4 is a schematic sectional view showing a part of the structure of an extrusion piece and a sample injection needle of the automatic sample injection device for measuring the selenium content in hair based on fluorescence spectrum;
fig. 5 is a top cross-sectional view of a portion of the structure of a rubber head and extrusion of an automatic sample feeder for measuring selenium content of hair according to the present invention based on fluorescence spectroscopy.
In the figure: 100. a support assembly; 110. a support plate; 111. bracing; 120. a lifting member; 121. a carrier plate; 122. a second electric push rod; 123. a support bar; 130. a support leg; 140. a universal brake wheel; 200. a material pushing assembly; 210. a first electric push rod; 220. a slide rail; 230. a slider; 231. a flexible pad; 232. a groove; 240. a test tube rack; 241. a vertical plate; 242. a transverse plate; 243. a slot; 244. a flexible sleeve; 250. a connecting rod; 300. a pipetting assembly; 310. a rotating electric machine; 320. a turntable; 330. an electric cylinder; 340. a connecting frame; 350. an extrusion; 351. an extrusion motor; 352. a pressing plate; 353. a screw rod; 354. a guide plate; 360. a sample injection needle; 361. a needle head; 362. a needle tube; 363. a rubber head; 400. a liquid storage assembly; 410. a first liquid storage barrel; 420. a second liquid storage barrel.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "longitudinal", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The invention provides an automatic sample feeding device for measuring the selenium content of hair based on fluorescence spectroscopy, which comprises a support assembly 100, a pushing assembly 200, a liquid transferring assembly 300 and a liquid storage assembly 400, wherein the pushing assembly 200 is installed at the upper part of the support assembly 100, the liquid transferring assembly 300 is installed at the upper part of the support assembly 100, and the liquid storage assembly 400 is installed at the upper part of the support assembly 100.
The support assembly 100 includes a support plate 110, an elevating member 120, a leg 130, and a universal brake wheel 140, the elevating member 120 is mounted to a lower portion of the support plate 110 by a bolt, the leg 130 is mounted to a lower portion of the elevating member 120 by a bolt, and the universal brake wheel 140 is mounted to a lower portion of the leg 130 by a screw.
In this embodiment, the lifting member 120 includes a bearing plate 121, a second electric push rod 122 and a support rod 123, the second electric push rod 122 is installed on the upper portion of the bearing plate 121 through a bolt, the support rod 123 is installed on the output end of the second electric push rod 122 through a bolt, the support leg 130 is installed on the lower portion of the bearing plate 121 through a thread, the support rod 123 is driven to move through the operation of the second electric push rod 122, and then the support plate 110 is driven to move upwards, so as to adjust the height, in particular, the support plate 110 is installed on the upper portion of the support rod 123 through a bolt, the lower side portion of the support plate 110 and the side portion of the support rod 123 are connected with the inclined strut 111, and the inclined.
The material pushing assembly 200 comprises a first electric push rod 210, a slide rail 220, a slider 230 and a test tube rack 240, the first electric push rod 210 is installed on the upper portion of the support plate 110 through a bolt, a connecting rod 250 is installed at the output end of the first electric push rod 210 through a screw, the slide rail 220 is installed on the upper portion of the support plate 110 through a screw, the slider 230 is installed on the upper side of the slide rail 220 in a sliding manner, during specific setting, the inner wall of the slide rail 220 is set to be a smooth surface, the outer wall of the slider 230 is set to be a smooth surface, the smoothly-arranged slide rail 220 and the slider 230 help to reduce friction, the section of the slider 230 is arranged in a convex shape, the side portion of the slider 230 is connected with the side portion of the connecting rod 250, the test tube rack 240 is installed on the upper portion of the slider 230, during specific use, a test tube, and then the test tube rack 240 is moved to the atomic fluorescence spectrometry instrument, so that the manual placement of the sample into the atomic fluorescence spectrometry instrument is avoided.
In this embodiment, the test-tube rack 240 includes two risers 241 and horizontal plate 242, two risers 241 all install in the upper portion of slider 230 through the screw, horizontal plate 242 passes through the mounting screw between two risers 241, a plurality of slotted holes 243 have been seted up at the middle part of horizontal plate 242, slotted hole 243 makes things convenient for passing of test tube, the position that horizontal plate 242 is close to a plurality of slotted holes 243 all has glued flexible cover 244, flexible cover 244 sets up to the rubber sleeve, increase the flexibility with the contact of test tube lateral wall, during specific setting, slider 230's upper portion has glued flexible pad 231, flexible pad 231 sets up to the rubber pad, increase the flexibility with the contact of test tube lower wall, a plurality of recesses 232 have been seted up on the upper portion of flexible pad 231, a plurality of recesses 232 and a plurality of slotted holes 243 one-to-one.
The pipetting assembly 300 assembly comprises a rotating motor 310, a rotating disc 320, an electric cylinder 330, a connecting frame 340, an extrusion piece 350 and a sampling needle 360, wherein the rotating motor 310 is installed on the upper part of the supporting plate 110 adjacent to the sliding rail 220 through a motor base, the rotating disc 320 is installed on the output end of the rotating disc 320 through screws, the electric cylinder 330 is installed on the upper part of the rotating disc 320 through bolts, the connecting frame 340 is installed on the output end of the electric cylinder 330 through bolts, the sampling needle 360 is installed on the side part of the connecting frame 340, the lower part of the sampling needle 360 is opposite to the upper part of the test tube rack 240, the extrusion piece 350 is installed on the side part of the connecting frame.
In this embodiment, the sample injection needle 360 includes a needle 361, a needle 362 and a rubber head 363, the needle 362 is mounted on the side of the connection frame 340 through a pipe clamp, the needle 361 is mounted on the lower portion of the needle 362 in an inserting manner, and the rubber head 363 is mounted on the upper portion of the needle 362 in an adhering manner.
In this embodiment, the extruding member 350 includes an extruding motor 351, two extruding plates 352, a screw rod 353 and a guide plate 354, the extruding motor 351 is installed at the side of the connecting frame 340 through a motor base, the extruding motor 351 is set as a forward and reverse rotation motor, the screw rod 353 is installed at the output end of the extruding motor 351, both the extruding plates 352 are screwed to the outer side of the screw rod 353, when specifically set, the rubber head 363 is located between the two pressing plates 352, the lower walls of the two pressing plates 352 are both provided with smooth surfaces, the guide plate 354 is mounted on the side portion of the connecting frame 340 through bolts, the upper wall of the guide plate 354 is in clearance fit with the lower wall of the pressing plate 352, and when the rubber head 363 is specifically arranged, the upper wall of the guide plate 354 is a smooth surface, and when in use, the screw rod 353 is driven to rotate by the operation of the extrusion motor 351, thereby enabling the two pressing plates 352 to move close to or away from each other under the limit of the guide plate 354, and further pressing or releasing the rubber head 363.
The liquid storage assembly 400 comprises a first liquid storage barrel 410 and a second liquid storage barrel 420, wherein the first liquid storage barrel 410 is mounted on the upper portion of the support plate 110 through a bolt, the first liquid storage barrel 410 is used for storing a current-carrying liquid sample, the second liquid storage barrel 420 is mounted on the upper portion of the support plate 110, and the second liquid storage barrel 420 is used for storing clear water.
The working principle is as follows: when the device is used, the liquid bearing samples are stored through the first liquid storage barrel 410, the cleaning water is stored through the second liquid storage barrel 420, the rotating disc 320 is driven to rotate by the operation of the rotating motor 310, the electric cylinder 330, the connecting frame 340, the extrusion piece 350 and the sample injection needle 360 are further driven to rotate, the position of the sample injection needle 360 is further conveniently adjusted, the sample injection needle 360 can be respectively opposite to the upper parts of the first liquid storage barrel 410, the second liquid storage barrel 420 or a test tube, the connecting frame 340, the extrusion piece 350 and the sample injection needle 360 are driven to move up and down by the operation of the electric cylinder 330, the sample injection needle 360 is further conveniently inserted into the first liquid storage barrel 410, the second liquid storage barrel 420 or the inner side of the test tube, the sample injection needle 360 is driven to operate by the extrusion piece 350, when the sample injection needle 360 is positioned in the first liquid storage barrel 410, the liquid bearing samples are sucked, the sample bearing liquid samples are further transferred to the test tube, when, cleaning the sample injection needle 360; place the test tube through test-tube rack 240, utilize the test tube to shift the carrier fluid sample, the operation through first electric putter 210 drives slider 230 and slides on the upper portion of slide rail 220, and then makes test-tube rack 240 remove to atomic fluorescence spectrometry instrument, avoids manually putting into atomic fluorescence spectrometry instrument with the sample.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Based on fluorescence spectrum measurement hair selenium content is with autoinjection article device, its characterized in that includes:
a support assembly (100), wherein the support assembly (100) comprises a support plate (110), a lifting member (120), a leg (130) and a universal brake wheel (140), the lifting member (120) is mounted at the lower part of the support plate (110), the leg (130) is mounted at the lower part of the lifting member (120), and the universal brake wheel (140) is mounted at the lower part of the leg (130);
the material pushing assembly (200) comprises a first electric push rod (210), a sliding rail (220), a sliding block (230) and a test tube rack (240), the first electric push rod (210) is installed on the upper portion of the supporting plate (110), a connecting rod (250) is installed at the output end of the first electric push rod (210), the sliding rail (220) is installed on the upper portion of the supporting plate (110), the sliding block (230) is installed on the upper side of the sliding rail (220) in a sliding mode, the side portion of the sliding block (230) is connected with the side portion of the connecting rod (250), and the test tube rack (240) is installed on the upper portion of the sliding block (230);
a pipetting assembly (300), the pipetting assembly (300) assembly comprises a rotary motor (310), a turntable (320), an electric cylinder (330), a connecting frame (340), an extrusion piece (350) and a sample injection needle (360), the rotating motor (310) is installed at an upper portion of the support plate (110) adjacent to the slide rail (220), the rotary disc (320) is arranged at the output end of the rotary disc (320), the electric cylinder (330) is arranged at the upper part of the rotary disc (320), the connecting frame (340) is arranged at the output end of the electric cylinder (330), the sample injection needle (360) is arranged at the side part of the connecting frame (340), the lower part of the sample injection needle (360) is opposite to the upper part of the test tube rack (240), the pressing piece (350) is arranged on the side part of the connecting frame (340), and the pressing piece (350) is opposite to the outer side of the sample injection needle (360);
the liquid storage assembly (400) comprises a first liquid storage barrel (410) and a second liquid storage barrel (420), the first liquid storage barrel (410) is installed on the upper portion of the supporting plate (110), and the second liquid storage barrel (420) is installed on the upper portion of the supporting plate (110).
2. The automatic sample feeding device for measuring the selenium content in hair based on fluorescence spectrum as claimed in claim 1, wherein the lifting member (120) comprises a bearing plate (121), a second electric push rod (122) and a support rod (123), the second electric push rod (122) is installed on the upper portion of the bearing plate (121), the support rod (123) is installed on the output end of the second electric push rod (122), and the support leg (130) is installed on the lower portion of the bearing plate (121).
3. The automatic sample feeding device for measuring the selenium content of hair based on fluorescence spectrum as claimed in claim 2, wherein the support plate (110) is mounted on the upper portion of the support rod (123), and the lower side portion of the support plate (110) and the side portion of the support rod (123) are connected with the inclined strut (111).
4. The automatic sample injection device for measuring the selenium content of hair based on fluorescence spectroscopy as claimed in claim 1, wherein the inner wall of the slide rail (220) is smooth, the outer wall of the slide block (230) is smooth, and the cross section of the slide block (230) is in a convex shape.
5. The automatic sample injection device for measuring the selenium content of hair based on fluorescence spectrum according to claim 1, wherein the test tube rack (240) comprises two vertical plates (241) and a horizontal plate (242), the two vertical plates (241) are both installed on the upper portion of the sliding block (230), the horizontal plate (242) is installed between the two vertical plates (241), a plurality of slotted holes (243) are formed in the middle of the horizontal plate (242), and the parts of the horizontal plate (242) adjacent to the slotted holes (243) are all glued with flexible sleeves (244).
6. The automatic sample injection device for measuring the selenium content of hair based on fluorescence spectrum as claimed in claim 5, wherein a flexible pad (231) is glued to the upper portion of the slider (230), a plurality of grooves (232) are formed in the upper portion of the flexible pad (231), and the plurality of grooves (232) are opposite to the plurality of slots (243) one by one.
7. The automated sample injection device for measuring selenium content in hair based on fluorescence spectroscopy as claimed in claim 1, wherein the sample injection needle (360) comprises a needle (361), a needle tube (362) and a rubber head (363), the needle tube (362) is installed at a side of the connection frame (340), the needle (361) is installed at a lower portion of the needle tube (362), and the rubber head (363) is installed at an upper portion of the needle tube (362).
8. The automatic sample injection device for measuring the selenium content of hair based on fluorescence spectroscopy as claimed in claim 8, wherein the extrusion member (350) comprises an extrusion motor (351), two extrusion plates (352), a screw rod (353) and a guide plate (354), the extrusion motor (351) is installed at the side of the connection frame (340), the screw rod (353) is installed at the output end of the extrusion motor (351), both extrusion plates (352) are in threaded connection with the outer side of the screw rod (353), the guide plate (354) is installed at the side of the connection frame (340), and the upper wall of the guide plate (354) is in clearance fit with the lower wall of the extrusion plate (352).
9. The automatic sample injection device for measuring the selenium content of hair based on fluorescence spectrum of claim 9, wherein the rubber head (363) is located between the two extrusion plates (352), and the lower walls of the two extrusion plates (352) are both provided with smooth surfaces.
10. The automatic sample injection device for measuring the selenium content of hair based on fluorescence spectroscopy as claimed in claim 10, wherein the upper wall of the guide plate (354) is provided with a smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961843.3A CN112034194A (en) | 2020-09-14 | 2020-09-14 | Automatic sample feeding device for measuring selenium content of hair based on fluorescence spectrum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961843.3A CN112034194A (en) | 2020-09-14 | 2020-09-14 | Automatic sample feeding device for measuring selenium content of hair based on fluorescence spectrum |
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| Publication Number | Publication Date |
|---|---|
| CN112034194A true CN112034194A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010961843.3A Withdrawn CN112034194A (en) | 2020-09-14 | 2020-09-14 | Automatic sample feeding device for measuring selenium content of hair based on fluorescence spectrum |
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| CN (1) | CN112034194A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171809A (en) * | 2021-05-12 | 2021-07-27 | 臻叶生物科技有限公司 | Layered liquid transfer device and use method thereof |
| CN113941454A (en) * | 2021-09-29 | 2022-01-18 | 复旦大学附属肿瘤医院 | Centrifugal device and centrifugal method for collecting Cyr61 target conditioned medium |
-
2020
- 2020-09-14 CN CN202010961843.3A patent/CN112034194A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171809A (en) * | 2021-05-12 | 2021-07-27 | 臻叶生物科技有限公司 | Layered liquid transfer device and use method thereof |
| CN113171809B (en) * | 2021-05-12 | 2022-05-24 | 臻叶生物科技有限公司 | Layered liquid transfer device and use method thereof |
| CN113941454A (en) * | 2021-09-29 | 2022-01-18 | 复旦大学附属肿瘤医院 | Centrifugal device and centrifugal method for collecting Cyr61 target conditioned medium |
| CN113941454B (en) * | 2021-09-29 | 2023-06-30 | 复旦大学附属肿瘤医院 | Centrifugal device and centrifugal method for collecting Cyr61 target spot conditioned medium |
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