CN217901016U - Ultraviolet dose detection device - Google Patents

Ultraviolet dose detection device Download PDF

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Publication number
CN217901016U
CN217901016U CN202221410647.8U CN202221410647U CN217901016U CN 217901016 U CN217901016 U CN 217901016U CN 202221410647 U CN202221410647 U CN 202221410647U CN 217901016 U CN217901016 U CN 217901016U
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light
ultraviolet
photosensitive material
reference light
plate
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CN202221410647.8U
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姚其
张荣君
吴沛榆
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Fudan University
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Fudan University
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Abstract

The utility model discloses an ultraviolet dose detection device, which comprises a device shell, a photosensitive material carrier, a reference light source, a diffusion plate and a colorimetric part; an observation window and a colorimetric component are arranged on one side of the device shell, the diffusion plate is arranged in the device shell, the observation window is positioned above the light emergent direction of the diffusion plate, the diffusion plate is positioned above the light path direction of reference light and the light path direction of exciting light of a photosensitive material carrier irradiated by ultraviolet rays, and the photosensitive material carrier is positioned outside the light path direction of the reference light; the colorimetric part is used to indicate: and the chromaticity of the mixed light of the reference light and the ultraviolet excitation light and the mapping relation of the ultraviolet dose. Through the utility model discloses an implement, based on the theory of mixing light, convert the ultraviolet ray into visible light color and carry out the color comparison, realized the visualization of ultraviolet dose, compare in chemical indicator have the stable and advantage that can use repeatedly of color, compare in ultraviolet irradiance detector have low cost, simple easy-to-use advantage.

Description

Ultraviolet dose detection device
Technical Field
The utility model relates to an optical detection technical field especially relates to an ultraviolet dose detection device.
Background
The ultraviolet disinfection is a high-efficiency sterilization and disinfection means without chemical residue and contact, and is realized byThe microbial cells are irradiated to destroy the structure of genetic material to inactivate it, so achieving the effect of disinfection and sterilization. Currently, short-band ultraviolet (UVC, 200-280 nm) is commonly used as a disinfection light source, and the wavelength of the short-band ultraviolet is mainly 254nm and 222 nm. UVC ultraviolet rays have radiation damage to human bodies, the irradiation dose is strictly controlled, and the accumulated ultraviolet irradiation dose in one day (8 hours) is regulated not to exceed 30J/m 2 . The ultraviolet ray is used as invisible light, and the current dosage detection means comprises two modes of physical monitoring and chemical indicator monitoring, wherein the former adopts an ultraviolet irradiance detector to measure the irradiance of the ultraviolet ray, and the latter adopts an ultraviolet irradiation indicator card to determine the ultraviolet intensity value after comparing with a standard colorimetric card. With the outbreak of new crown epidemic situations, ultraviolet disinfection equipment is applied in many occasions, and monitoring of ultraviolet safe dose becomes a key problem from large public places to household spaces. Ultraviolet irradiance detector belongs to professional measuring equipment, and it is high with high costs to promote on a large scale, and ultraviolet instruction card easy operation requires to survey promptly and uses, can fade after measuring, needs timely record data, and unable used repeatedly, has a great deal of inconvenience in the application.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a main aim at provides an ultraviolet dose detection device, can solve the ultraviolet dose detection product that provides among the correlation technique problem with high costs, the operation is complicated and unable used repeatedly at least.
In order to achieve the above object, an embodiment of the present invention provides an ultraviolet dose detecting device, including a device housing, a photosensitive material carrier, a reference light source, a diffusion plate and a colorimetric member, wherein:
an observation window and the colorimetric component are arranged on one side of the device shell, the diffusion plate is arranged in the device shell, the observation window is positioned above the light emergent direction of the diffusion plate, the diffusion plate is positioned above the reference light path direction corresponding to the reference light source and the ultraviolet excitation light path direction corresponding to the photosensitive material carrier, and the photosensitive material carrier is positioned outside the reference light path direction;
the colorimetric component is for indicating: and the chromaticity of the mixed light of the reference light and the ultraviolet excitation light and the mapping relation of the ultraviolet dose.
According to the utility model provides an ultraviolet dose detection device, this ultraviolet dose detection device include device casing, photosensitive material carrier, reference light source, diffuser plate and color comparison part, wherein: an observation window and a colorimetric component are arranged on one side of the device shell, the diffusion plate is arranged in the device shell, the observation window is positioned above the light emergent direction of the diffusion plate, the diffusion plate is positioned above the reference light path direction corresponding to the reference light source and the ultraviolet excitation light path direction corresponding to the photosensitive material carrier irradiated by ultraviolet rays, and the photosensitive material carrier is positioned outside the reference light path direction; the colorimetric means is used to indicate: and the chromaticity of the mixed light of the reference light and the ultraviolet excitation light and the mapping relation of the ultraviolet dose. Through the utility model discloses an implement, based on the theory of mixing light, convert the ultraviolet ray into visible light color and carry out the color comparison, realized the visualization of ultraviolet dose, compare in chemical indicator, have the stable and advantage that can use repeatedly of color, compare in ultraviolet irradiance detector, have low cost, simple easy-to-use advantage.
Other features and corresponding effects of the invention are set forth in the following part of the specification, and it should be understood that at least part of the effects becomes apparent from the description of the invention.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an ultraviolet dose detection device provided in the related art;
fig. 2 is a side view of an ultraviolet dose detection device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a colorimetric representation provided in an embodiment of the present invention;
fig. 4 is a schematic diagram of light mixing based on a diffuse transmission plate according to an embodiment of the present invention;
fig. 5 is a side view of another ultraviolet dose detection device provided in an embodiment of the present invention;
fig. 6 is a schematic view of light mixing based on a diffuse reflection plate according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
In order to solve the problems of high cost, complex operation and non-reusability of the ultraviolet dose detection product provided in the related art, the present embodiment provides an ultraviolet dose detection apparatus, as shown in fig. 1, a schematic structural diagram of the ultraviolet dose detection apparatus provided in the present embodiment is provided, and as shown in fig. 2, a side view of the ultraviolet dose detection apparatus provided in the present embodiment is provided, and the ultraviolet dose detection apparatus includes: a device housing 101, a photosensitive material carrier 102, a reference light source 103, a diffusion plate 104, and a colorimetric member 105;
in this embodiment, an observation window 106 and a colorimetric member 105 are disposed on one side of the device housing 101, the diffusion plate 104 is disposed inside the device housing 101, the observation window 106 is located above a light-emitting direction of the diffusion plate 104, the diffusion plate 104 is located above a light path direction of reference light corresponding to the reference light source 103 and a light path direction of ultraviolet excitation light corresponding to the photosensitive material carrier 102, and the photosensitive material carrier 102 is located outside the light path direction of the reference light, that is, the reference light and the ultraviolet excitation light are mixed in the diffusion plate 104 and then emit mixed light to the observation window 106, and when the reference light source 103 is disposed, it is required to ensure that a propagation direction of the reference light does not pass through the photosensitive material carrier 102. In addition, a light-focusing component 107 is further arranged inside the device shell, the light-focusing component 107 is arranged below the photosensitive material carrier 102 to focus the light of the ultraviolet excitation light, and the light-focusing component comprises any one of the following components: condensing lens, reflection of light cup.
It should be noted that the colorimetric part 105 of the present embodiment is used to indicate: and the chromaticity of the mixed light of the reference light and the ultraviolet excitation light and the mapping relation of the ultraviolet dose.
Specifically, in this embodiment, the colorimetric component is used for characterizing the mapping relationship between the mixed light and the uv dose, and the colorimetric component includes any one of the following components: a color comparison card and a display screen with a color comparison graphic display function. In practical application, the colorimetric component and the observation window are located on the same side of the device housing, so that a user can conveniently conduct colorimetric reaction with the colorimetric component after observing mixed light color through the observation window, and read an ultraviolet dose value.
As shown in fig. 3, which is a schematic diagram of a colorimetric diagram provided in this embodiment, the colorimetric diagram carried by the colorimetric component is obtained based on an experiment, in practical applications, a preset ultraviolet ray (for example, a 254nm low-pressure mercury lamp, a 222nm excimer lamp, or a 270nm LED lamp) may be used to excite a photosensitive material to emit excitation light, and chromaticity of the excitation light and a preset reference light may be mixed, then intensity corresponding to the excitation light is calculated based on the mixed chromaticity, further, a mapping relationship between the mixed chromaticity and ultraviolet dose is obtained based on a mapping relationship between an intensity of the excitation light and the mixed chromaticity, and a mapping relationship between an ultraviolet dose and an intensity of the excitation light is preset, and finally, the mapping relationship is visually represented to obtain the colorimetric diagram, where the colorimetric diagram has different color indications, and the different colors correspond to values of the ultraviolet dose. Therefore, by referring to the colorimetric component, the actual ultraviolet dose can be obtained according to the color contrast of the mixed light sensed through the observation window under the actual scene.
In an alternative embodiment of this embodiment, the number of colorimetric elements is multiple, and the multiple colorimetric elements correspond to different photosensitive material carriers and/or different reference light sources, respectively.
Specifically, this embodiment considers that the actual detection scene is nimble changeable, through designing multiple colorimetric part that is applicable to different scenes in advance, the user can select corresponding colorimetric part according to the actual scene is nimble to carry out the color comparison in practical application, compares in only setting up single general colorimetric part, can effectively guarantee the accuracy that ultraviolet dose detected.
In an alternative embodiment of this embodiment, the colorimetric components are removably attached to one side of the device housing.
Specifically, in practical application, the color comparison part can be fixed and set up in the device casing outside, however, the color comparison part of fixed setting does not support to be changed, changes or reference light source's emission light parameter changes the condition under at the photosensitive material carrier, and original color comparison part probably can't effectively provide the visual color comparison function of ultraviolet dose to the user, and based on this, this embodiment can adopt modes such as block, magnetism to dismantle the color comparison part and set up in one side of device casing to supply the nimble color comparison part of changing in the follow-up scene of using.
In an optional implementation manner of this embodiment, the types of the photosensitive material include, but are not limited to, a fluorescent material, a quantum dot material, a photosensitive semiconductor material, and a photosensitive polymer material, this embodiment may be preferably implemented by using a fluorescent material, and the fluorescent material may be prepared by using various phosphor powder ratios such as red, green, yellow, and blue.
In an optional implementation manner of this embodiment, the reference light source is a variable reference light source, and the variable reference light source can switch to emit an equivalent white light source, natural light with different color temperatures, and color light with different saturation levels, so that different reference light environments can be flexibly provided according to application scenes in practical application.
In an optional implementation manner of this embodiment, the ultraviolet dose detection apparatus further includes a rectangular light distribution lens, and the rectangular light distribution lens is disposed in the reference light path direction of the reference light source and above the diffusion plate.
Specifically, this embodiment is configured with rectangle grading lens to reference light source to carry out the grading to the reference light path, promote the visual effect of mixed light.
Referring to fig. 2 again, in an alternative embodiment of the present embodiment, the ultraviolet dose detecting device further includes: the light source device comprises a bracket 108 arranged on the inner surface of the top of the device shell 101, a first bearing part 1081 and a second bearing part 1082 are respectively arranged on the bracket 108 in the extending direction towards the bottom of the device shell 101, the photosensitive material carrier 102 is arranged on the first bearing part 1081, the emergent surface of the light-gathering part 107 is arranged on the second bearing part 1082, an extending part 1083 is arranged on one side of the second bearing part 1082 far away from the diffusion plate 104, and a reference light source 103 is arranged on one surface of the extending part 1083 towards the bottom of the device shell 101.
Further, a light-transmitting window 109 is provided on the top of the device housing 101, and the surface of the photosensitive material carrier 102 is lower than the top surface of the device housing 101.
Specifically, in this embodiment, the photosensitive material carrier and the reference light source are both disposed inside the device housing, and the top of the device housing is provided with a light-transmitting window for allowing ultraviolet radiation to the photosensitive material carrier inside the device housing to excite the photosensitive material carrier. It should be noted that, in this embodiment, the same bracket is used to carry the photosensitive material carrier, the light-gathering component, and the reference light source, where the photosensitive material carrier and the light-gathering component are disposed oppositely from top to bottom, a height of a plane where an exit surface of the light-gathering component is located is higher than a mounting surface of the reference light source, and ground projections of the two do not intersect.
Referring to fig. 2 again, in an alternative embodiment of the present invention, the diffusion plate 104 is a diffuse transmission plate, and the diffuse transmission plate is a light-transmitting plate with a rough surface; the diffuse transmission plate is obliquely arranged inside the device housing 101, with an incident surface facing the reference light source 103 and the photosensitive material carrier 102 and an exit surface facing the observation window 106.
Specifically, in an implementation manner, a diffusion plate is prepared and arranged based on a diffuse transmission principle, and as shown in fig. 4, the light mixing schematic diagram based on the diffuse transmission plate provided in this embodiment is that when reference light and excitation light are incident on the diffuse transmission plate, light is uniformly mixed in the diffuse transmission plate and is scattered inside the diffuse transmission plate, the light is uniformly emitted from each direction of an emitting surface of the diffuse transmission plate, and part of the mixed light is emitted and then is transmitted to an observation window.
As shown in fig. 5, which is a side view of another ultraviolet dose detecting apparatus provided in this embodiment, the diffusing plate 104 is a diffuse reflection plate, and the diffuse reflection plate is an opaque plate with a rough surface; the diffuse reflection plate is obliquely disposed inside the device housing 101, the reference light and the ultraviolet excitation light form acute angles with the diffuse reflection plate, and the arrangement of other components is the same as that in fig. 2, and will not be described herein again.
Specifically, in another implementation manner, a diffusion plate is prepared and arranged based on a diffuse reflection principle, as shown in fig. 6, which is a schematic light mixing diagram based on a diffuse reflection plate provided in this embodiment, when reference light and excitation light are incident on the diffuse reflection plate made of opaque material, light is uniformly mixed in the diffuse reflection plate, the light is uniformly reflected from the surface of the diffuse reflection plate to all directions and distributed in a space, and part of the mixed light is transmitted to an observation window after being reflected.
According to the ultraviolet dose detection device provided by the present embodiment, the ultraviolet dose detection device includes a device case, a photosensitive material carrier, a reference light source, a diffusion plate, and a colorimetric member, wherein: an observation window and a colorimetric component are arranged on one side of the device shell, the diffusion plate is arranged in the device shell, the observation window is positioned in the light-emitting direction of the diffusion plate, the diffusion plate is positioned in the reference light path direction corresponding to the reference light source and the ultraviolet excitation light path direction corresponding to the photosensitive material carrier, and the photosensitive material carrier is positioned outside the reference light path direction; the colorimetric means is used to indicate: and the chromaticity of the mixed light of the reference light and the ultraviolet excitation light and the mapping relation of the ultraviolet dose. Through the utility model discloses an implement, based on the theory of mixing light, convert the ultraviolet ray into visible light color and carry out the color comparison, realized the visualization of ultraviolet dose, compare in chemical indicator, have the stable and advantage that can use repeatedly of color, compare in ultraviolet irradiance detector, have low cost, simple easy-to-use advantage.
The above description is provided to illustrate the embodiments of the present invention in further detail with reference to specific embodiments, and it should not be understood that the embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (10)

1. An ultraviolet dose detection device comprising a device housing, a photosensitive material carrier, a reference light source, a diffuser plate, and a colorimetric member, wherein:
an observation window and the colorimetric component are arranged on one side of the device shell, the diffusion plate is arranged in the device shell, the observation window is positioned above the light emergent direction of the diffusion plate, the diffusion plate is simultaneously positioned above the reference light path direction corresponding to the reference light source and the ultraviolet excitation light path direction corresponding to the photosensitive material carrier, and the photosensitive material carrier is positioned outside the reference light path direction;
the colorimetric component is for indicating: and the chromaticity of the mixed light of the reference light and the ultraviolet excitation light and the mapping relation of the ultraviolet dose.
2. The ultraviolet dose detection device of claim 1, wherein the photosensitive material carried by the photosensitive material carrier comprises any one of: fluorescent materials, quantum dot materials, photosensitive semiconductor materials and photosensitive high polymer materials.
3. The ultraviolet dose detection device of claim 1, wherein the colorimetric means comprises any one of: a color comparison card and a display screen with a color comparison graphic display function.
4. The ultraviolet dose detection device of claim 1, wherein the colorimetric elements are provided in a plurality, and a plurality of the colorimetric elements correspond to different photosensitive material carriers and/or different reference light sources, respectively.
5. The ultraviolet dose detection device of claim 1, wherein the reference light source is a variable reference light source that can be switched to emit a white light source of equal energy, natural light of different color temperatures, or colored light of different saturation.
6. The ultraviolet dose detection device of claim 1, further comprising a light focusing element disposed below the photosensitive material carrier, the light focusing element comprising any one of: condensing lens, reflection of light cup.
7. The ultraviolet dose detection device as claimed in claim 6, further comprising a support disposed on the inner surface of the top of the device housing, wherein the support is provided with a first bearing member and a second bearing member respectively extending towards the bottom of the device housing, the photosensitive material carrier is disposed on the first bearing member, the exit surface of the light focusing member is disposed on the second bearing member, the second bearing member is provided with an extension portion on a side away from the diffusion plate, and the reference light source is disposed on a side of the extension portion facing the bottom of the device housing.
8. The ultraviolet dose detection device of claim 7, wherein the top of the device housing is provided with a light transmissive window, the photosensitive material carrier being positioned at a level lower than a top plane of the device housing.
9. The ultraviolet dose detection device as recited in any one of claims 1 to 8, wherein the diffusion plate is a diffuse transmission plate, and the diffuse transmission plate is a light-transmitting plate having a rough surface; the diffuse transmission plate is obliquely arranged inside the device shell, the incident surface of the diffuse transmission plate faces the reference light source and the photosensitive material carrier, and the emergent surface of the diffuse transmission plate faces the observation window.
10. The ultraviolet dose detection device of any one of claims 1 to 8, wherein the diffuser plate is a diffusive reflector plate, the diffusive reflector plate being an opaque plate with a rough surface; the diffuse reflection plate is obliquely arranged inside the device shell, and included angles formed by the reference light, the ultraviolet excitation light and the diffuse reflection plate are acute angles.
CN202221410647.8U 2022-05-31 2022-05-31 Ultraviolet dose detection device Active CN217901016U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221410647.8U CN217901016U (en) 2022-05-31 2022-05-31 Ultraviolet dose detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221410647.8U CN217901016U (en) 2022-05-31 2022-05-31 Ultraviolet dose detection device

Publications (1)

Publication Number Publication Date
CN217901016U true CN217901016U (en) 2022-11-25

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Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN217901016U (en)

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