CN111789975A

CN111789975A - Disinfection and sterilization device in vehicle

Info

Publication number: CN111789975A
Application number: CN202010746410.6A
Authority: CN
Inventors: 石柱; 朱映光; 谢静; 陈旭; 张国辉; 鲁天星; 胡永岚
Original assignee: Guan Yeolight Technology Co Ltd
Current assignee: Guan Yeolight Technology Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-10-20

Abstract

The invention discloses a disinfection and sterilization device in a vehicle, which comprises a controller, a disinfection and sterilization lamp and an OLED module, wherein the disinfection and sterilization lamp and the OLED module are arranged in a closed cavity, the controller is in control connection with the disinfection and sterilization lamp and the OLED module, and emergent light rays emitted by the disinfection and sterilization lamp are reflected for multiple times by the inner side surface of the closed cavity to form a disinfection and sterilization light ray network filled in the closed cavity. The controller controls the on and off of the disinfection and sterilization lamp, the disinfection and sterilization lamp performs diffuse reflection on each inner side surface through emitted disinfection light to form a disinfection and sterilization light network, and the disinfection and sterilization light network is filled in the whole closed space, so that small objects placed in the disinfection and sterilization lamp can be well disinfected and sterilized, can be taken at any time, is safe and efficient, and brings safety to people going out.

Description

Disinfection and sterilization device in vehicle

Technical Field

The invention relates to the technical field of vehicles, in particular to a disinfection and sterilization device in a vehicle.

Background

Recently, with the emergence of new coronary pneumonia, disinfection and sterilization equipment becomes a product needed by people, wherein automobiles are used as important travel modes of the public, and the disinfection and sterilization functions are required to be provided, such as: vehicle-mounted air disinfection purifier, vehicle-mounted disinfection box and the like, wherein the disinfection instruments mainly carry out disinfection and sterilization by means of air filtration or irradiation and sterilization by means of UVC LED. The vehicle-mounted air disinfection purifier is used for filtering and purifying air, but cannot be used for killing the surface of an object; the UVC LED is adopted to irradiate and sterilize, a vehicle needs to be started, the UVC LED belongs to short-wave ultraviolet light and has the characteristic of burning skin by short-time irradiation, people need to be outside the vehicle and close a vehicle door, a relatively closed environment is formed in the vehicle, articles in the vehicle are sterilized and disinfected for a period of time, and as a plurality of obstacles exist in the vehicle, the sterilizing light can be irradiated on the articles to be sterilized, so that uneven sterilizing dead corners exist, and meanwhile, the small articles carried about are not convenient to sterilize, such as keys, mobile phones and the like, the energy consumption is high, the articles can not be sterilized and killed in the moving state of the vehicle or in the vehicle, and certain confusion is brought to people when people go out.

Disclosure of Invention

Therefore, the invention aims to solve the technical problem of killing the small portable objects, even if people are in the vehicle or in a driving state, the portable objects of the people in the vehicle can be completely killed by providing uniform killing light rays in a certain closed space, dead angles are avoided to be killed, and the portable objects can be conveniently disinfected and sterilized when the vehicle is taken in an epidemic situation such as new coronary pneumonia, so that the vehicle is safer and healthier. Therefore, the invention provides a disinfection and sterilization device in a vehicle.

In order to achieve the purpose, the invention adopts the following technical scheme:

the in-vehicle disinfection and sterilization device comprises a controller and a disinfection and sterilization lamp arranged in a closed cavity, wherein the controller is in control connection with the disinfection and sterilization lamp, and emergent light rays emitted by the disinfection and sterilization lamp are reflected for multiple times by the inner side surface of the closed cavity to form a disinfection and sterilization light ray network full of the closed cavity.

Preferably, a nano diffuse reflection coating is coated on the inner side surface of the closed cavity; the nanometer diffuse reflection coating is composed of semiconductor reflection particles or thermoplastic reflection polymers and diluents, and the reflectivity of the nanometer diffuse reflection coating is greater than or equal to 95%.

Further preferably, the inner side surface of the closed cavity opposite to the installation position of the disinfection and sterilization lamp is of a wave-like structure, or all the inner side surfaces in the closed cavity are of a wave-like structure.

The disinfection and sterilization lamp is one UVC LED lamp bead or a plurality of UVC LED lamp beads and is arranged on any inner side face or a plurality of inner side faces of the closed cavity.

The radiation power of the UVC LED lamp bead is 0.3W-0.6W, and the wavelength is 190 nm-280 nm.

The inner side surface in the closed cavity is also provided with an OLED module, the OLED module is provided with a light taking-out film layer, the light taking-out film layer comprises a substrate film layer and a plurality of scattering particles, and the scattering particles are arranged in the substrate film layer;

the light extraction film layer adopts resin or rubber base material film layer material with the reflectivity of more than 95% and the transparency of more than 60% in UVC wave band, and is matched with scattering particles with the optical energy gap of more than 4.3eV and/or the optical energy gap of less than 4.3 eV;

or the light extraction film layer adopts resin or rubber base material film layer material with the reflectivity of below 95 percent in UVC wave band and the transparency of above 60 percent, and is matched with scattering particles with the optical energy gap of above 4.3 eV.

The UVC LED lamp bead and the OLED module are located on the same inner side face in the closed cavity, or are respectively arranged on different inner side faces in the closed cavity.

And a light guide plate is arranged on the UVC LED lamp beads or the light taking-out film layer of the OLED module, and UVC light rays emitted by the UVC LED lamp beads form a surface light source after being emitted from the light guide plate.

The device further comprises a photoelectric sensor arranged on the cover plate of the closed cavity, the controller comprises a control circuit, a UVC LED driving module and an OLED driving module, the UVC LED driving module and the OLED driving module are electrically connected with the control circuit, and the photoelectric sensor is connected with the controller and used for transmitting a photoelectric switch signal for judging whether the cover plate is closed or not to the control circuit; when the cover plate is opened, the control circuit sends a signal for stopping driving the UVC LED lamp beads to light to the UVC LED driving module, and sends a signal for driving the OLED module to light to the OLED driving module; when the cover plate is closed, the control circuit sends a signal for stopping driving the OLED module to light to the OLED driving module, and simultaneously sends a signal for driving the UVCLED lamp beads to light to the UVC LED driving module, and the controller sets the automatic control killing time of the lightening time of the UVC LED lamp beads.

The sealed cavity is also internally provided with a light-transmitting bracket for placing articles to be killed and disinfected, and light-transmitting gaps are formed between the light-transmitting bracket and the inner side surfaces of the sealed cavity.

Compared with the prior art, the technical scheme of the invention has the following beneficial effects:

(1) the sterilizing device is arranged in the closed environment formed by the armrest box or the glove box or other box bodies with the closed environment in the vehicle, the controller controls the on-off of the sterilizing lamp, the sterilizing lamp reflects emitted sterilizing light rays on each inner side surface to form a sterilizing light ray network, and the sterilizing light ray network is filled in the whole closed space, so that small objects placed in the sterilizing light ray network can be well sterilized, can be taken at any time, is safe and efficient, is very convenient for people to sterilize the objects carried with the person, and brings safety for people going out.

(2) The UVC LED disinfection lamp bead and the OLED lighting are combined, the functions of carrying out the UVC LED disinfection lamp and the OLED lighting in a glove box of a copilot or a handrail box of a main driving position of an automobile are achieved, and users can conveniently carry out disinfection and sterilization treatment on small articles such as mobile phones and keys and conveniently take the articles. Set up the light that has reflection UVC on the OLED module and take out the rete simultaneously, the light is taken out the rete and not only can be seen through the advantage of visible light and reinforcing visible light intensity, improves self light and takes out, takes out the rete simultaneously and can also reflect UVC light at the light, avoids UVC light to OLED's destruction, makes the interior UVC light of cavity more even, increases the sterilization effect.

(3) Aiming at a small closed cavity space, in order to avoid the temperature rise of the whole closed space caused by a large amount of heat generated by UVC light during sterilization and disinfection, the UVC LED lamp bead with the spherical cover structure can be adopted, and meanwhile, the UVC LED lamp bead can be integrated with an OLED module, and the controller is used for controlling, so that the effective combination of object taking illumination and sterilization is realized.

(4) According to the invention, the micro wave-like structures are arranged on the inner side surfaces in the closed cavity, and the whole reflecting surface is designed into a wave-like shape on the basis of coating the nano diffuse reflection coating on each side surface, so that the UVC light reflection efficiency is greatly improved, and the object can be completely sterilized without dead angles.

(5) In order to avoid dead angles of disinfection and sterilization of larger objects in the closed cavity, the invention also provides a light-transmitting support in the closed cavity, the light-transmitting support can be connected with one inner side surface of the closed cavity, light-transmitting gaps are formed between the objects to be disinfected and sterilized placed on the light-transmitting support and the inner side surfaces of the closed cavity, and UVC LED lamp beads are distributed on the inner side surfaces, so that the light emitted by the UVC LED lamp beads is repeatedly reflected to kill the objects on the light-transmitting support, and thus, the omnibearing thorough killing can be realized.

(6) The invention can also set up the light guiding plate in the emergent ray direction of UVC LED lamp pearl, the light that shines or the diffuse reflection to the light guiding plate emerges from the light guiding plate in the form of uniform area light source, can adopt the direct embedding way to set up in the airtight cavity, or place OLED module and UVC LED box structure with light guiding plate after integrating in the airtight cavity arbitrary position, after switching on the power, can realize the article placed in airtight cavity and disappear and kill the operation too, its simple in construction, the light guiding plate can realize the homogenization of UVC light; when the sterilizing function is not used, the box body used for sterilizing in the closed cavity can be directly taken out, and the internal space of the closed cavity is not occupied.

(7) According to the invention, the disinfection and sterilization device is applied to the armrest box or glove box in the vehicle, and in the aspect of disinfection and sterilization control of objects in the cavity, the OLED module for opening the box is illuminated and the UVC LED is turned off through a correlation interlocking mechanism, so that the object can be taken out of the box; the UCV LED lights when the box is closed, the OLED module lights out, the articles in the cavity are killed, and the safety of user experience is guaranteed due to the humanized design.

Drawings

While the drawings needed to describe the best mode and operation of the invention in the prior art are briefly described below, it should be apparent that the drawings in the following description are embodiments of the invention and that other drawings may be derived therefrom by those skilled in the art without inventive faculty.

Fig. 1 is a schematic structural view of a UVC LED lamp bead distributed in embodiment 1 provided by the present invention;

fig. 2 is a schematic structural view of a plurality of UVC LED lamp beads distributed in embodiment 2 provided by the present invention;

fig. 3 is a schematic structural view of a plurality of UVC LEDs disposed on a plurality of inner sides of a sealed chamber according to the present invention;

FIG. 4 is a graphical representation of a wavelike structure (on one interior side) with a diffuse reflective coating according to example 3 of the present invention;

FIG. 5 is a graphical representation of a wavelike structure with a diffuse reflective coating according to example 3 of the present invention (on three interior sides);

FIG. 6 is a schematic view of an OLED module having a light extraction film structure according to example 4 of the present invention;

FIG. 7 is a schematic diagram of a UVC LED lamp bead packaged by a spherical lampshade and a planar lampshade;

FIG. 8 is a side view of a light-transmissive support disposed in a sealed cavity according to example 5 of the present invention;

FIG. 9 is a schematic top view of the sealed chamber shown in FIG. 8;

fig. 10 is a schematic structural view of a UVC LED lamp bead with a light guide plate installed in a sealed cavity according to embodiment 6 of the present invention;

FIG. 11 is a schematic view of an integrated structure of a disinfection and sterilization lamp installed in a closed cavity according to embodiment 6 of the present invention;

FIG. 12 is a view showing the application of the sterilization apparatus in a glove box according to example 7 of the present invention;

FIG. 13 is a schematic plan view of an OLED module and a germicidal lamp in accordance with example 7 of the present invention;

FIG. 14 illustrates the use of the sterilization device in an armrest box according to example 8 of the present invention;

FIG. 15 is a schematic plane arrangement diagram of UVC LED lamp beads and an OLED module mounted on the surface F of a handrail box;

fig. 16 is a schematic plane structure diagram of a light source assembly integrating a UVC LED lamp bead and an OLED module;

FIG. 17 is a block diagram of the control principle of the present invention in a console box and a glove box;

fig. 18 is a control flow chart of the present invention in the armrest box and the glove box.

Description of reference numerals: the cross-sectional schematic diagram of the screen body is as follows:

1-sealing the cavity; 2-a disinfection and sterilization lamp; 21-emergent ray; 22-reflected light; 3-a nano diffuse reflection coating; 4-wave-like structure; 5-an OLED module; 6-light extraction film layer; 61-a substrate film layer; 62-scattering particles; 7-spherical lampshade; 8-plane lampshade; 9-glove box; 10-armrest box; 20-a light guide plate; 30-a light-transmissive support; 40-the article to be sterilized.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of the invention to those skilled in the art, and the present invention will only be defined by the appended claims. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. It will be understood that when an element such as a layer, region or substrate is referred to as being "formed on" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly formed on" or "directly disposed on" another element, there are no intervening elements present.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the in-vehicle disinfection and sterilization device provided by the invention comprises a controller and a disinfection and sterilization lamp arranged in a closed cavity, wherein the controller is in control connection with the disinfection and sterilization lamp, and emergent light 21 emitted by the disinfection and sterilization lamp is reflected for multiple times by the inner side surface of the closed cavity to form a plurality of reflected light 22, so that the light forms a disinfection and sterilization light network to fill the closed cavity. The sterilization and disinfection process of the articles in the closed cavity 1 is finished under the irradiation of the sterilization and disinfection optical line network, the sterilization and disinfection function of the sterilization and disinfection lamp can be started through the controller, the controller can set the sterilization and disinfection time, and when the closed cavity is started, the sterilization and disinfection lamp automatically stops working and can take out the articles from the closed cavity.

Example 1

As shown in fig. 1, a nano diffuse reflection coating 3 is coated on the periphery, bottom or top of a closed cavity, the nano diffuse reflection coating 3 is composed of semiconductor reflection particles or thermoplastic reflection polymers and diluents, the reflectivity of the nano diffuse reflection coating 3 is greater than or equal to 95%, the semiconductor reflection particles are at least one of barium sulfate, titanium oxide, calcium carbonate, calcium sulfate, aluminum oxide, magnesium sulfate, magnesium silicate, zinc oxide, aluminum nitride, boron nitride, silicon dioxide, zirconium oxide, glass and hollow glass beads; the thermoplastic reflecting polymer is at least one of polytetrafluoroethylene and fluorinlon-99 WTM; the semiconductor reflective particles preferably use a coating formed by barium sulfate, the UVC light reflectivity reaches 99%, the thermoplastic reflective polymer preferably uses polytetrafluoroethylene (Teflon), the UVC light reflectivity reaches 95%, the distribution of UVC light in the closed chamber 1 can be effectively improved, and the disinfection and sterilization efficiency is improved. Meanwhile, the polytetrafluoroethylene has excellent comprehensive properties such as high temperature resistance, corrosion resistance, non-sticking, self-lubricating, excellent dielectric property, very low friction coefficient and the like. The disinfection lamp is a UVC LED lamp bead, as shown in figure 1, heat dissipation can be reduced by adopting the UVC LED lamp bead, a dotted line shown in figure 1 is a path of a certain light ray emitted by the UVC LED lamp bead, the radiation power of the UVC LED lamp bead is 0.3W-0.6W, preferably 0.5W, and the wavelength is 190 nm-280 nm, preferably 260 nm-280 nm.

Example 2

Different from embodiment 1, in embodiment 2, a plurality of UVC LED lamp beads are used, and the distributed UVC LED lamp beads may not limit the position and number of the UVC LED lamp beads in the sealed cavity, and may be located on the same inner side surface of the sealed cavity at the same time, and are specifically arranged as shown in fig. 2; certainly can also be located a plurality of medial surfaces of difference with a plurality of UVC LED lamp pearls, as shown in figure 3, set up UVC LED lamp pearl respectively on 4 medial surfaces of difference, make light more even, the bactericidal effect is better.

Example 3

On the basis of the above embodiment, in this embodiment, the inner side surface of the sealed cavity opposite to the installation position of the disinfection and sterilization lamp is in a wave-like structure, as shown in fig. 4, that is, the surface opposite to the UVC LED is designed to be in a micro wave-like shape, and of course, all the inner side surfaces in the whole sealed cavity can be designed to be in a wave-like structure on the basis of the nano diffuse reflection coating, as shown in fig. 5, so that the efficiency of UVC light reflection is improved.

Example 4

On the basis of the above embodiments, the sealed container in this embodiment is further provided with an OLED module, the OLED module is electrically connected to the controller, the controller controls the OLED module to be lit, the OLED module is disposed on the inner side surface of the sealed container, as shown in fig. 6, the OLED module 5 is provided with a light extraction film layer 6, so as to improve the light extraction rate and the light emission uniformity of the OLED module. The OLED module 5 has a good lighting effect, the light extraction film layer 6 comprises a base material film layer 61 and a plurality of scattering particles 62, the scattering particles 62 are arranged in the base material film layer 61, and the scattering particles 62 are attached to the light extraction film layer 6. The light extraction film layer 6 may be made of a resin or rubber-based base material 61 (e.g., PC (polycarbonate), acryl, silica gel, polyimide) having a reflectivity of 95% or more and a transparency of 60% or more in the UVC band, and scattering particles (e.g., TiO) having a low optical gap (e.g., a gap of 4.3eV or less) may be used in combination with the base material₂Particles, ZrO₂Particles, SiO₂Particles, SiO particles, TiO particles), or high optical gap scattering particles (for example, a single metal ion compound Ga) having an optical gap of 4.3eV or more₂O₃、La₂O₃、Nd₂O₃、Yb₂O₃、ZrO₂、Sm₂O₃、SnO、Ta₂O₅Or polymetallic ionic compound materials, e.g. LaTi₂O₇、LiTaO₃) Or the scattering particles formed by mixing the low-optical-energy-gap scattering particles and the high-optical-energy-gap scattering particles can be matched.

The light extraction film layer 6 may also be used in the UVC band inversionA resin or rubber base material 61 (such as common resin glass material or silica-doped quartz resin material) with a refractive index of 95% or less and a transparency of 60% or more, and scattering particles 62 (such as single metal ion compound Ga) with a high optical energy gap of 4.3eV or more₂O₃、La₂O₃、Nd₂O₃、Yb₂O₃、ZrO₂、Sm₂O₃、SnO、Ta₂O₅Or polymetallic ionic compound materials, e.g. LaTi₂O₇、LiTaO₃)。

The light extraction film layer 6 is favorable for improving the light emitting efficiency of the OLED, the requirement of high-efficiency diffuse reflection of UVC light is met, the UVC light cannot penetrate through the light extraction film layer, damage of the UVC light to the OLED is avoided, a good diffuse reflection effect is generated on the light extraction film layer, and the sterilization effect is further improved.

As shown in fig. 7, in the UVC LED lamp bead commonly used in the market at present, the shape of the lamp bead packaged by the quartz lamp cover is divided into two types, namely a planar lamp cover 8 and a spherical lamp cover 7, wherein the light-emitting rate of the UVC LED lamp bead packaged by the spherical lamp cover 7 can be as high as 92%, which is far higher than 75% of the light-emitting rate of the UVC LED lamp bead packaged by the planar lamp cover 8, and the disinfection and sterilization efficiency can be improved by using the UVC LED of the spherical lamp cover 7.

Because UVC light belongs to wavelength 190-.

Besides polytetrafluoroethylene and barium sulfate, other semiconductor reflective particles or diffuse reflective materials composed of thermoplastic polymers and diluents can be selected for the nano diffuse reflective coatings mentioned in the above embodiments, preferably materials with high reflectivity for 200-400nm, such as materials composed of organic silicon resin, titanium dioxide particles, anatase titanium dioxide and auxiliaries.

Example 5

On the basis of the above embodiments, in this embodiment, in order to avoid dead corners where the bottom of the large-area article cannot be killed when the large-area article is killed, as shown in fig. 8 and 9, in the present invention, a transparent support 30 for placing an article 40 to be killed is disposed in a sealed cavity 1, the transparent support 30 may include a plurality of beams and columns disposed at intervals, the transparent support may be movable, and may be detachably and fixedly connected to a certain inner side surface in the sealed cavity, so as to keep a certain transparent gap between the article to be sterilized and each inner side surface of the sealed cavity, reduce blocking of light, and enable sterilization of the article to be more thorough.

Example 6

In the embodiments, the UVC LED lamp beads and the OLED module are embedded in the closed cavity. Different from the above embodiments, the embodiment adopts the integrated disinfection and sterilization lamp, and when disinfection and sterilization are carried out, the integrated disinfection and sterilization lamp is directly arranged in the closed cavity, and the disinfection and sterilization work can be carried out by switching on the power supply.

As shown in fig. 10, a UVC LED lamp bead is disposed on the bottom surface inside the sealed cavity (or on some other inner side surface of the sealed cavity), and a light guide plate is installed right above the UVC LED lamp bead, the light guide plate seals the UVC LED at the bottom, and a diffuse reflection coating is coated on the inner side surface of a small space formed between the light guide plate and the bottom surface of the sealed cavity.

The light guide plate can realize the homogenization of UVC light, the light guide plate uses glass or resin materials with the refractive index of more than 1.45, and the thickness of the light guide plate is between 0.5mm and 7 mm; the outer surface of the light extraction film is mainly characterized by atomization, so that light has a scattering function and the brightness is enhanced;

as shown in fig. 11, the disinfection lamp is an integrated structure, for example, in an open-ended box, an OLED module is disposed at an open position, a light extraction film layer and a light guide plate are sequentially stacked above the OLED module, the OLED module is located inside the box, the light guide plate is located at the open position, a UVC LED lamp bead is mounted on a left side surface of the box in the figure, the UVC LED lamp bead irradiates towards the light guide plate, meanwhile, a diffuse reflection coating is coated on an inner side surface of the box, and the light emitted by the UVC LED lamp bead irradiates onto the light guide plate and irradiates onto the light guide plate through diffuse reflection, and finally exits from the light guide plate in a surface light source manner. The integrated structure is placed in a closed cavity needing to be killed, and the object can be killed by switching on a power supply. Integrated bactericidal lamp structure can not inject position and quantity of UVC LED lamp pearl and OLED module in airtight cavity, box, can a plurality of UVC and OLED setting on different medial surfaces, and concrete structure is no longer repeated here. The following specifically describes the installation and application in a glove box and a console box in a vehicle.

Example 7

As shown in fig. 12, a glove box is shown as a closed chamber.

According to the scheme, the glove box comprises an A surface, a B surface, a C surface and a D surface, wherein UVC LED lamp beads are embedded to the D surface, the schematic diagram is shown in fig. 13, an OLED module is installed on the A surface, and meanwhile, the A surface, the B surface, the C surface and the D surface are coated with nano diffuse reflection coatings, so that the UVC diffuse reflection effect is increased, when the glove box is used, UVC light is filled in the whole cavity as far as possible, and the four walls inside the glove box can be designed into a micro wave-like structure.

Of course, the combination of the UVC LED lamp bead and the OLED module shown in fig. 13 may be disposed in embodiments 1 to 5, and respectively disposed on different inner side surfaces or the same inner side surface, and the specific structure is not described herein again.

Example 8

As shown in fig. 14 below, the armrest box is shown as a closed chamber structure.

The cavity of handrail case in the picture includes E face, F face and G face, and wherein UVC LED lamp pearl and OLED module are installed to F face, refer to fig. 15: similar to example 1, the surface F and the inner periphery of the cavity are coated with the nano diffuse reflection coating, so that the diffuse reflection effect of the UVC is increased, the whole cavity is filled with UVC light as much as possible during use, and the UVC LED lamp beads are packaged by the spherical lampshade. Meanwhile, the periphery and the bottom surface of the cavity can adopt a micro wave-like structure to increase the reflectivity.

As shown in fig. 16, in the invention, the UVC LED lamp beads and the OLED module may also be directly formed into an integrated light source assembly, the OLED module is annular, the UVC LED lamp beads are located in the middle of the OLED module, and of course, the UVC LED lamp beads may also be located around the OLED module or in other distribution structures. Similarly, the structure of fig. 16 can also be applied to embodiments 1 to 7, and is respectively disposed on different inner side surfaces or the same inner side surface, and the detailed structure is not described herein again.

The in-vehicle disinfection and sterilization apparatus is not limited to the use in glove boxes and arm-boxes, but may include other fixed or removable enclosures that store objects, such as a trunk, and the like, preferably without light transmission.

As shown in fig. 17 and 18, how to perform the functional sterilizing operation in the glove box or the armrest box is described in detail as follows:

the invention adopts a constant current driving mode, and the controller mainly comprises: the device comprises a control circuit, a photoelectric sensor (photoelectric switch), a UVC LED driving module and an OLED driving module.

When articles in the glove box or the armrest box are sterilized, the whole sterilizing process can be completed by operating the center console in the vehicle.

The photoelectric sensor is used for detecting whether the glove box or the armrest box is closed or not, and when the photoelectric sensor detects that the glove box or the armrest box is not in a closed state, the photoelectric sensor can feed back to a vehicle owner or a driver through early warning to inform that the glove box or the armrest box is not closed. After closing is confirmed, a vehicle-mounted disinfection key can be pressed, the control circuit gives a driving signal I, the UVC LED driving module drives the UVC LED lamp beads to light, the object placed in the UVC LED lamp beads starts to be killed, after the killing time set by the controller is reached, the UVC LED lamp beads are automatically closed and feed back to the central control platform, the photoelectric sensor (or the photoelectric switch) is triggered after the glove box or the handrail box is opened, the control circuit gives a signal IV, the OLED module is lightened, the object in the glove box or the handrail box can be conveniently taken out, then the glove box or the handrail box is closed, and the glove box or the handrail box is confirmed to be closed by triggering the photoelectric sensor (or the photoelectric switch).

Certainly, when the UVC LED lamp beads do not complete the sterilization operation of objects, the glove box or the armrest box can be opened, the photoelectric sensor (or the photoelectric switch) is triggered, the control circuit obtains signal feedback of the photoelectric sensor (or the photoelectric switch), the control circuit gives a signal II, the driving circuit of the UVC LED driving module is stopped to work, the UVC LED lamp beads are closed, meanwhile, the control circuit gives a signal III, the OLED module is lightened, the objects in the glove box or the armrest box can be conveniently taken out, then the glove box or the armrest box is closed, and the glove box or the armrest box is confirmed to be closed by triggering the photoelectric sensor (or the photoelectric switch). The safety of the user can be guaranteed through the mechanism of the association interlocking, the design is humanized, the use is more convenient and faster, and the user experience is better.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The in-vehicle disinfection and sterilization device is characterized by comprising a controller and a disinfection and sterilization lamp (2) arranged in a closed cavity (1), wherein the controller is in control connection with the disinfection and sterilization lamp (2), and emergent light rays (21) emitted by the disinfection and sterilization lamp (2) form a disinfection and sterilization light ray network which is full of the closed cavity (1) after being reflected for multiple times by the inner side surface of the closed cavity (1).

2. An in-vehicle disinfection and sterilization apparatus according to claim 1, wherein said closed cavity (1) is coated with a nano diffuse reflection coating (3) on its inner side; the nanometer diffuse reflection coating (3) is composed of semiconductor reflection particles or thermoplastic reflection polymers and diluents, and the reflectivity of the nanometer diffuse reflection coating (3) is greater than or equal to 95%.

3. An in-vehicle disinfection and sterilization apparatus according to claim 2, wherein the inner side surface of said sealed cavity (1) opposite to the installation position of said disinfection and sterilization lamp (2) is a wave-like structure (4), or all the inner side surfaces of said sealed cavity (1) are wave-like structures (4).

4. An in-vehicle disinfection and sterilization apparatus according to any one of claims 1 to 3, wherein said disinfection and sterilization lamp (2) is a UVC LED lamp bead or a plurality of UVC LED lamp beads, and is disposed on any inner side surface or a plurality of inner side surfaces of said sealed cavity (1).

5. The in-vehicle disinfection and sterilization apparatus according to claim 4, wherein the radiation power of said UVC LED lamp beads is 0.3W-0.6W, and the wavelength is 190 nm-280 nm.

6. An in-vehicle disinfection and sterilization apparatus according to claim 4, wherein an OLED module (5) is further disposed on the inner side surface of the sealed cavity (1), a light extraction film layer (6) is disposed on the OLED module (5), the light extraction film layer (6) comprises a substrate film layer (61) and a plurality of scattering particles (62), and the scattering particles (62) are disposed in the substrate film layer (61);

the light extraction film layer (6) is made of a resin or rubber base material film layer (61) material with the reflectivity of more than 95% and the transparency of more than 60% in a UVC wave band, and is matched with scattering particles (62) with the optical energy gap of more than 4.3eV and/or the optical energy gap of less than 4.3 eV;

or the light extraction film layer (6) is made of a resin or rubber base material film layer (61) material having a reflectivity of 95% or less in the UVC band and a transparency of 60% or more, and is provided with scattering particles (62) having an optical energy gap of 4.3eV or more.

7. An in-vehicle disinfection and sterilization apparatus according to claim 6, wherein said UVC LED lamp beads and said OLED module (5) are located on the same inner side of said sealed cavity (1), or respectively located on different inner sides of said sealed cavity (1).

8. The in-vehicle disinfection and sterilization apparatus according to claim 7, wherein a light guide plate (50) is disposed on said UVC LED lamp beads or on a light extraction film layer (6) of said OLED module (5), and UVC light emitted from said UVC LED lamp beads forms a surface light source after being emitted from said light guide plate (50).

9. The in-vehicle sterilization and disinfection device according to claim 4, further comprising a photoelectric sensor disposed on the cover plate of the sealed cavity, wherein the controller comprises a control circuit, and a UVC LED driving module and an OLED driving module electrically connected to the control circuit, and the photoelectric sensor is connected to the controller for transmitting an optical switch signal indicating whether the cover plate is closed to the control circuit; when the cover plate is opened, the control circuit sends a signal for stopping driving the UVC LED lamp beads to light to the UVC LED driving module, and sends a signal for driving the OLED module to light to the OLED driving module; when the cover plate is closed, the control circuit sends a signal for stopping driving the OLED module to light to the OLED driving module, and simultaneously sends a signal for driving the UVC LED lamp beads to light to the UVC LED driving module, and the controller sets the automatic control killing time of the lightening time of the UVC LED lamp beads.

10. An in-vehicle disinfection and sterilization apparatus according to claim 1, wherein said sealed cavity (1) further comprises a transparent support (30) for placing the article to be disinfected, and said transparent support (30) and each inner side of said sealed cavity (1) form a transparent gap.