CN112798394A

CN112798394A - UV-B irradiation device

Info

Publication number: CN112798394A
Application number: CN202011598387.7A
Authority: CN
Inventors: 王海光; 程培
Original assignee: China Agricultural University
Current assignee: China Agricultural University
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-05-14
Anticipated expiration: 2040-12-29
Also published as: CN112798394B

Abstract

The present invention provides a UV-B irradiation apparatus, comprising: the UV-B irradiation device comprises a box body, wherein the top of the inner side of the box body is provided with a plurality of UV-B lamp tubes with downward irradiation directions, each UV-B lamp tube is connected with an independent countdown switch, a liftable objective table is arranged under each UV-B lamp tube, an irradiation sample is placed on the top of the objective table, and a distance measuring scale for measuring the distance between each UV-B lamp tube and the irradiation sample is vertically arranged on one side of the box body.

Description

UV-B irradiation device

Technical Field

The invention relates to the technical field of plant protection, in particular to a UV-B irradiation device.

Background

Ultraviolet (UV) is an electromagnetic wave having a wavelength of 10 to 400nm, and is generally classified into UV-A (320 to 400nm), UV-B (280 to 320nm), UV-C (100 to 280nm), and EUV (extreme UV) (10 to 100nm) according to the wavelength range. In nature, the main source of ultraviolet light is sunlight, and during the process of passing through the atmosphere to the ground, the ultraviolet light with the wavelength of less than 290nm is absorbed by the atmosphere, so that the ultraviolet light capable of reaching the ground by solar radiation comprises UV-A and UV-B. Because the influence of UV-A on surface organisms is small, and UV-B has a strong biological effect, the influence of UV-B change in solar radiation on the organisms is widely concerned, and the biological effect of UV-B change in solar radiation caused by climate change is a research hotspot. UV-B can have various effects on organisms, including the effects on growth and development, genes, proteins and the like, and can be used for stimulating special physiological and biochemical reactions, inducing biological mutation and the like.

In the process of carrying out the plant pathology research, ultraviolet rays are often used for irradiating pathogens, plant seedlings, some extracted samples and the like, and UV-B is a biological mutagenesis condition which is often used and has important significance for researching the mutation mechanism of organisms. In particular, for some airborne pathogens and those sensitive to UV-B, UV-B can often cause genetic changes in these pathogens, and UV-B radiation is an important cause of these pathogens to mutate.

At present, a simple and special ultraviolet irradiation instrument is lacked in ultraviolet irradiation treatment, and the intensity and the irradiation uniformity of ultraviolet rays are not easy to control.

Disclosure of Invention

The invention provides a UV-B irradiation device, which is used for solving the defect that the intensity and the irradiation uniformity of ultraviolet rays are not easy to control in the prior art.

The present invention provides a UV-B irradiation apparatus, comprising: the UV-B lamp tube illuminating device comprises a box body, wherein a plurality of UV-B lamp tubes with downward illuminating directions are arranged at the top of the inner side of the box body, each UV-B lamp tube is connected with an independent countdown switch, a liftable objective table is arranged under each UV-B lamp tube, an illuminating sample is placed at the top of the objective table, and a distance measuring scale for measuring the distance between each UV-B lamp tube and the illuminating sample is vertically arranged on one side of the box body.

According to the UV-B irradiation device provided by the invention, a door body is arranged on one side of the box body, and an observation port is arranged on the door body.

According to the UV-B irradiation device provided by the invention, the box body is provided with an alarm electrically connected with the countdown switch.

According to the UV-B irradiation device provided by the invention, the box body is provided with a main switch communicated with a power supply.

According to the UV-B irradiation device provided by the invention, the lifting device is arranged below the objective table.

According to the UV-B irradiation device provided by the invention, the lifting device is a manual screw type lifting platform, an adjusting screw rod is arranged in the lifting device, and one end of the adjusting screw rod extends out of the box body and is connected with an adjusting knob.

According to the UV-B irradiation device provided by the invention, the side wall of the box body is provided with a through hole for the adjusting screw rod to move up and down, and a shading belt for shading the through hole is arranged above the through hole.

According to the UV-B irradiation device provided by the invention, the distance measuring scale can move up and down.

According to the UV-B irradiation device provided by the invention, a rectangular frame consisting of two fixed support rods, an operating rod and a fixed rotating shaft is arranged on the inner side of the side wall of the box body, which is provided with the distance measuring scale, a traction steel wire is connected onto the distance measuring scale, one end of the traction steel wire is connected with the top of the distance measuring scale, the other end of the traction steel wire is wound on the outer side of the rectangular frame and is connected with the bottom of the distance measuring scale, one end of the operating rod penetrates through the side wall of the box body and is connected with a knob, the operating rod and the fixed rotating shaft are both rotatably connected with the side wall of the box body, a large-diameter gear is.

According to the UV-B irradiation device provided by the invention, the upper surface of the objective table is marked with a cross-shaped graduated scale.

According to the UV-B irradiation device provided by the invention, the lifting objective table and the plurality of UV-B lamp tubes connected with the single countdown switches are arranged, so that the effective control of the UV-B irradiation dose can be realized, the countdown power switch control of the UV-B irradiation can be realized, and the requirement of carrying out UV-B irradiation treatment on a research object can be met.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a front view of a UV-B irradiation apparatus provided by the present invention;

FIG. 2 is a side view of a UV-B irradiation apparatus provided by the present invention;

FIG. 3 is a schematic view of the internal structure of a UV-B irradiation apparatus provided by the present invention;

FIG. 4 is a schematic view of the installation of a range finder scale provided by the present invention;

reference numerals:

1: a box body; 2: a door body; 3: a viewing port;

4: a countdown switch; 5: a light-shielding tape; 6: a knob;

7: adjusting a knob; 8: an alarm; 9: a master switch;

10: a distance measuring scale; 11: a through hole; 12: a UV-B lamp tube;

13: adjusting the screw rod; 14: an object stage; 15: irradiating the sample;

16: a small diameter gear; 17: fixing the support rod; 18: a joystick;

19: fixing the rotating shaft; 20: a traction wire; 21: a large-diameter gear;

22: a lifting device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The UV-B irradiation apparatus of the present invention is described below with reference to fig. 1 to 4, and includes: the box 1, box 1 are the rectangle, and the interior side of box 1 is surveyed the top and is equipped with a plurality of UV-B fluorescent tubes 12 that shine the direction downwards, and UV-B fluorescent tube 12 sets up side by side on the fluorescent tube support, and the fluorescent tube support level sets up, and every UV-B fluorescent tube 12 all is connected with independent countdown switch 4, and every UV-B fluorescent tube 12 all can the independent control, sets up the countdown of closing, and when the countdown ended, auto-power-off can control ultraviolet irradiation's time and irradiation dose like this. A liftable objective table 14 is arranged right below the UV-B lamp tube 12, an irradiation sample 15 is placed on the top of the objective table 14, and the liftable objective table 14 can adjust the distance from the irradiation sample 15 to the UV-B lamp tube 12, so that the UV-B irradiation intensity of different sample UV-B irradiation distances can be adjusted. One side of the box body 1 is vertically provided with a distance measuring scale 10 for measuring the distance between the UV-B lamp tube 12 and the irradiation sample 15.

A door body 2 is arranged on one side of the box body 1, and an observation port 3 is arranged on the door body 2. The viewing port 3 is provided with a visible transparent ultraviolet-proof glass (which can filter ultraviolet rays) so as to prevent the eyes of people from being hurt.

The box body 1 is provided with an alarm 8 which is electrically connected with the countdown switch 4. After the countdown switch 4 is automatically powered off, the alarm 8 is automatically started, and the alarm 8 rings to alarm until the countdown switch is manually turned off.

The box body 1 is provided with a main switch 9 communicated with a power supply. The main switch 9 is used for controlling the on and off of the UV-B irradiation device, and the UV-B lamp tube 12, the countdown switch 4 and the alarm 8 are all connected with a power supply.

A lifting device 22 is provided below the stage 14. The lifting device 22 is used to lift the stage 14.

The lifting device 22 is a manual screw type lifting platform which is in the prior art, the adjusting screw 13 is arranged in the lifting device 22, the adjusting screw 13 is horizontally arranged and moves up and down along with the lifting of the lifting device 22, and one end of the adjusting screw 13 extends out of the box body 1 and is connected with the adjusting knob 7. The lifting of the lifting device 22 is controlled by rotating the adjusting screw 13 through the adjusting knob 7.

Be equipped with on the lateral wall of box 1 and supply adjusting screw 13 through-hole 11 that reciprocates, through-hole 11 vertical setting, adjust knob 7 keeps outside box 1 always, is equipped with the shading band 5 that is used for sheltering from through-hole 11 above through-hole 11, and the coiling is rolled up at ordinary times to hang at the top of through-hole 11 in shading band 5, puts down during the use and hides through-hole 11, prevents that UV-B shines out.

The distance measuring scale 10 can be moved up and down. The horizontal pointer is arranged on the 0 scale point at the top of the distance measuring scale 10, and the pointer is aligned with the UV-B lamp tube 12 during adjustment, so that the distance measuring scale 10 can move up and down, in order to deal with the UV-B lamp tubes 12 of different specifications, the distance measuring scale 10 needs to be adjusted after the UV-B lamp tubes 12 are replaced, and the alignment of the 0 scale point of the distance measuring scale 10 and the UV-B lamp tubes 12 is ensured. The range finding scale 10 sets up inside box 1, is equipped with the position and the reading that the opening is used for observing range finding scale 10 on box 1 and the lateral wall that corresponds, and the opening part is equipped with visual transparent anti ultraviolet glass (can strain the ultraviolet ray) to cause the injury to people's eyes.

The box 1 is equipped with the lateral wall inboard of range finding scale and is equipped with the rectangular frame who comprises two fixed support rods 17, control rod 18 and fixed rotating shaft 19, two fixed support rods 17 set up in the top, control rod 18 and fixed rotating shaft 19 set up in the below, fixed support rod 17, control rod 18 and fixed rotating shaft 19 all are perpendicular with the lateral wall of box 1, be connected with on the range finding scale 10 and pull steel wire 20, the one end of pulling steel wire 20 is connected with the top of range finding scale 10, the other end winding is connected with the bottom of range finding scale 10 in rectangular frame's the outside, fixed support rod 17, all be equipped with the spacing groove that is used for the restriction to pull steel wire 20 skew on control rod 18 and the fixed rotating shaft 19, pull steel wire. One end of the operating lever 18 penetrates through the side wall of the box body 1 and is connected with the knob 6, the operating lever 18 and the fixed rotating shaft 19 are both rotationally connected with the side wall of the box body 1, a large-diameter gear 21 is arranged on the operating lever 18, and a small-diameter gear 16 meshed with the large-diameter gear 21 is arranged on the fixed rotating shaft 19. The operating rod 18 is driven to rotate by rotating the knob 6, so that the fixed rotating shaft 19 is driven to rotate, and the traction steel wire 20 drives the distance measuring scale 10 to move up and down.

The upper surface of the stage 14 is marked with a cross-shaped graduated scale. The crisscross graduated scale is formed by horizontal graduated scale and vertical graduated scale alternately, and horizontal graduated scale and vertical graduated scale all are located the center of objective table 14 both sides, and the nodical scale of horizontal graduated scale and vertical graduated scale is zero, and the scale extends to both sides for the position of accurate irradiation sample 15.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An UV-B irradiation apparatus, comprising: the UV-B lamp tube illuminating device comprises a box body, wherein a plurality of UV-B lamp tubes with downward illuminating directions are arranged at the top of the inner side of the box body, each UV-B lamp tube is connected with an independent countdown switch, a liftable objective table is arranged under each UV-B lamp tube, an illuminating sample is placed at the top of the objective table, and a distance measuring scale for measuring the distance between each UV-B lamp tube and the illuminating sample is vertically arranged on one side of the box body.

2. The UV-B irradiation apparatus according to claim 1, wherein a door is provided on one side of the cabinet, and the door is provided with a viewing port.

3. The UV-B irradiation apparatus according to claim 1, wherein the case is provided with an alarm electrically connected to the countdown switch.

4. The UV-B irradiation apparatus according to claim 1, wherein a main switch connected to a power supply is provided on the case.

5. The UV-B irradiation apparatus according to claim 1, wherein a lifting device is provided below the stage.

6. The UV-B irradiation apparatus according to claim 5, wherein the lifting device is a manual screw type lifting platform, an adjusting screw is arranged in the lifting device, and one end of the adjusting screw extends out of the box body and is connected with an adjusting knob.

7. The UV-B irradiation device according to claim 6, wherein a through hole for the adjusting screw to move up and down is formed on the side wall of the box body, and a shading belt for shading the through hole is arranged above the through hole.

8. The UV-B irradiation apparatus according to claim 1, wherein the ranging scale is movable up and down.

9. The UV-B irradiation apparatus according to claim 8, wherein a rectangular frame consisting of two fixed support rods, an operating rod and a fixed rotating shaft is arranged on the inner side of the side wall of the case body where the distance measurement scale is arranged, a traction steel wire is connected to the distance measurement scale, one end of the traction steel wire is connected to the top of the distance measurement scale, the other end of the traction steel wire is wound on the outer side of the rectangular frame and connected to the bottom of the distance measurement scale, one end of the operating rod penetrates through the side wall of the case body and is connected with a knob, the operating rod and the fixed rotating shaft are both rotatably connected to the side wall of the case body, a large-diameter gear is arranged on the operating rod, and.

10. The UV-B irradiation apparatus according to claim 1, wherein a cross-shaped scale is marked on the upper surface of the stage.