A wireless energy transmission system

By introducing the optical communication structure of astigmatism material into the quartz main body, the problem of damage to optoelectronic devices in long-distance wireless energy transmission is solved, effective collection and photoelectric conversion of high-energy density beams are realized, and energy utilization is improved.

CN116231886BActive Publication Date: 2025-08-29HUANENG CLEAN ENERGY RES INST +1
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Patent Information

Application Number
CN202310213012.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-06
Publication Date
2025-08-29
Estimated Expiration
2043-03-06

AI Technical Summary

Technical Problem

In long-distance wireless energy transmission, how to effectively collect high-energy-density beams at the receiving end, avoid damage to optoelectronic devices and simplify the energy conversion process.

Method used

The optically-transmissive structure of the quartz main body and the astigmatism material distributed therein is adopted to make the incident light beam reflected or scattered to the side wall of the quartz main body by the astigmatism material, reduce the light wave energy received by the photoelectric device, and use the light waves emitted from the side wall of the quartz main body for photoelectric conversion.

Benefits of technology

High energy density beam collection at the long-distance wireless energy transmission receiver is realized, avoiding damage to the optoelectronic devices, simplifying the energy conversion process, and improving the energy utilization rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application discloses a wireless energy transmission system. By distributing a light-scattering material within a quartz body, the light-scattering material having a refractive index different from that of the quartz body, causing a light beam incident on the quartz body to be reflected or scattered by the light-scattering material toward the sidewalls of the quartz body. Specifically, the light-scattering material in the quartz body acts as a reflection or scattering center, effectively dispersing the light beam incident on the quartz body into light waves directed toward the sidewalls of the quartz body and emitted from the sidewalls. Consequently, when a photoelectric device receives the light waves emitted from the sidewalls of the quartz body, the energy of the received light waves is reduced, facilitating photoelectric conversion in the photoelectric device and preventing damage to the device from directly receiving a high-energy-density light beam. This system enables the collection of high-energy-density light beams at the receiving end of long-distance wireless energy transmission. Furthermore, the light emitted from the sidewalls of the quartz body can be used for functions such as illumination and radiation.
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Description

Technical Field

[0001] The present application relates to the field of semiconductor technology, and in particular to a wireless energy transmission system. Background Art

[0002] In recent years, wireless energy transmission, or wireless power transmission, has gained increasing attention as a key technology for future energy transmission. Short-distance wireless energy transmission, which can be achieved through electromagnetic waves or electromagnetic induction, such as wireless charging for mobile phones, has brought significant convenience to people's lives. However, long-distance wireless energy transmission has always been a relatively difficult technical challenge.

[0003] Long-distance wireless energy transmission has many problems in terms of energy density, directionality and loss. The most common long-distance wireless energy transmission is light transmission. Due to the energy density of natural light (generally about 1000W / m 2 ) is not high, so a specific high-energy-density light beam (such as a laser) is required for long-distance wireless energy transmission, which can then be collected at the receiving end through photoelectric conversion or photothermal conversion. However, optoelectronic devices are generally unable to withstand high-energy-density light beams, otherwise they will be damaged. Photothermal conversion also has low conversion efficiency, and the next step of converting it into high-quality electrical energy for transmission requires further conversion from thermal energy to electrical energy, making the energy conversion method overly complex.

[0004] Therefore, how to collect high-energy-density light beams at the receiving end of long-distance wireless energy transmission has become a technical problem that needs to be urgently solved by those skilled in the art. Summary of the Invention

[0005] In order to solve the above technical problems, an embodiment of the present application provides a wireless energy transmission system, which utilizes the optical pass structure to disperse the high-energy-density light beam received by the receiving end of long-distance wireless energy transmission, reduce the light wave energy received by the optoelectronic device, and facilitate the optoelectronic device to perform photoelectric conversion, so as to realize the collection of high-energy-density light beams at the receiving end of long-distance wireless energy transmission.

[0006] To achieve the above objectives, the present application provides the following technical solutions:

[0007] A wireless energy transmission system, comprising:

[0008] a light source configured to emit a light beam transmitted along a first direction;

[0009] a light passage structure located on a transmission path of the light beam, the light passage structure comprising a quartz body and a light-scattering material distributed in the quartz body;

[0010] The quartz body extends along the first direction, and has a first end and a second end opposite to each other along the first direction, and the first end of the quartz body receives the light beam;

[0011] The refractive index of the light-scattering material is different from that of the quartz body, so that the light beam incident into the quartz body is reflected or scattered by the light-scattering material toward the sidewall of the quartz body and emitted from the sidewall of the quartz body.

[0012] Optionally, also include:

[0013] A first photoelectric device is disposed around the side wall of the quartz body and is used for absorbing light emitted from the side wall of the quartz body and converting energy of the light emitted from the side wall of the quartz body into electrical energy.

[0014] Optionally, part of the light beam passes through the quartz body and is emitted from the second end of the quartz body, and the wireless energy transmission system further includes:

[0015] The second photoelectric device is located at the second end of the quartz body and is used to absorb light emitted from the second end of the quartz body and convert energy of the light emitted from the second end of the quartz body into electrical energy.

[0016] Optionally, the particle size of the scattering material is greater than or equal to 1 / 4 of the wavelength of the light beam and less than or equal to 4 times the wavelength of the light beam, so that the light beam incident into the quartz body is scattered by the scattering material toward the side wall of the quartz body.

[0017] Optionally, the light-scattering material is a quantum dot material or a micro-nano crystal material.

[0018] Optionally, the particle size of the light-scattering material ranges from 1 nm to 20 μm, including endpoints.

[0019] Optionally, the light-scattering material is a diamond quantum dot material.

[0020] Optionally, along the transmission direction of the light beam, the concentration of the light-scattering material distributed in the quartz body gradually increases.

[0021] Optionally, the quartz body is a polygonal prism or a cylindrical body, and the first end and the second end of the quartz body correspond to two bottom surfaces of the polygonal prism or the cylindrical body.

[0022] Optionally, the light beam is a laser beam or a converged solar beam.

[0023] Compared with the existing technology, the above technical solution has the following advantages:

[0024] A wireless energy transmission system provided in an embodiment of the present application includes a light source and an optical path structure located along a transmission path of a light beam emitted by the light source. The optical path structure includes a quartz body and a light-scattering material distributed within the quartz body. The quartz body extends along a first direction and has a first end and a second end disposed opposite each other along the first direction. The first end of the quartz body receives the light beam emitted by the light source and transmitted along the first direction. The light-scattering material has a refractive index different from that of the quartz body, causing the light beam incident on the quartz body to be reflected or scattered by the light-scattering material toward the sidewalls of the quartz body. That is, the light-scattering material in the quartz body can serve as a reflection or scattering center, effectively dispersing the light beam incident on the quartz body by the light-scattering material into light waves directed toward the sidewalls of the quartz body and emitted from the sidewalls of the quartz body. Consequently, when a photoelectric device receives the light wave emitted from the sidewalls of the quartz body, the energy of the received light wave is reduced, facilitating photoelectric conversion by the photoelectric device and preventing damage to the photoelectric device due to direct reception of a high-energy-density light beam. This enables the collection of a high-energy-density light beam at the receiving end of long-distance wireless energy transmission.

[0025] In addition, the wireless energy transmission system provided in the embodiment of the present application can also utilize the reflection or scattering effect of the astigmatism material distributed in the quartz body on the light beam incident into the quartz body, so that the energy emitted from the side wall of the quartz body is dispersed and used for lighting, radiation and other functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0027] Figure 1 A schematic diagram of a wireless energy transmission system provided in an embodiment of the present application;

[0028] Figure 2 A schematic diagram of an optical path structure in a wireless energy transmission system provided in an embodiment of the present application;

[0029] Figure 3 A schematic diagram of another wireless energy transmission system provided in an embodiment of the present application;

[0030] Figure 4 A schematic diagram of another wireless energy transmission system provided in an embodiment of the present application. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0033] Secondly, this application is described in detail with reference to schematic diagrams. When describing the embodiments of this application, for ease of explanation, cross-sectional views of device structures may be partially enlarged and not to scale. Furthermore, these schematic diagrams are merely illustrative and should not limit the scope of protection of this application. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0034] As described in the background technology section, how to collect high-energy-density light beams at the receiving end of long-distance wireless energy transmission has become a technical problem that needs to be urgently solved by those skilled in the art.

[0035] If a high-energy-density light beam is converted into thermal energy at the receiving end of long-distance wireless energy transmission, not only will the conversion efficiency be low, but the next step of converting it into electrical energy will also require further conversion of thermal energy into electrical energy, making the energy conversion form too complicated. Therefore, it is more inclined to convert the high-energy-density light beam directly into electrical energy through optoelectronic devices at the receiving end of long-distance wireless energy transmission. However, optoelectronic devices usually cannot withstand high-energy-density light beams, otherwise they will be damaged.

[0036] In view of this, the embodiment of the present application further provides a wireless energy transmission system, Figure 1 A schematic diagram of a wireless energy transmission system provided in an embodiment of the present application is shown in FIG. Figure 1 As shown, the wireless energy transmission system includes:

[0037] A light source 100 is configured to emit a light beam transmitted along a first direction X;

[0038] The light passage structure 200 is located on the transmission path of the light beam. Figure 2 A schematic diagram of the light path structure is shown in FIG. Figure 1 and Figure 2 As shown, the light-through structure 200 includes a quartz body 10 and a light-scattering material 20 distributed in the quartz body 10;

[0039] The quartz body 10 extends along a first direction X and has a first end 11 and a second end 12 disposed opposite to each other along the first direction X. The first end 11 of the quartz body 10 receives a light beam emitted by the light source 100 and transmitted along the first direction X.

[0040] The refractive index of the light-scattering material 20 is different from that of the quartz body 10 , so that the light beam incident into the quartz body 10 is reflected or scattered by the light-scattering material 20 toward the sidewall of the quartz body 10 and emitted from the sidewall of the quartz body 10 .

[0041] In the embodiment of the present application, the quartz body 10 is located on the transmission path of the light beam, and the light beam emitted by the light source 100 and transmitted along the first direction X is specifically as follows: Figure 1-Figure 2 As shown by the solid line with an arrow on the left side of the first end 11 of the quartz body 10 , the light beam received by the first end 11 of the quartz body 10 may be a high energy density light beam used for long-distance wireless energy transmission.

[0042] Optionally, the light beam can be a laser beam, which can be a laser beam of 500nm, 808nm or 1060nm, and the laser beam is emitted by a single light source 100 (such as a laser source) with the advantages of consistency, concealment (non-visible light), low divergence and low thermal effect; another option is that the light beam can also be a converged sunlight beam, in which case the light source 100 can be a lens with light converging function, etc.

[0043] Considering that when a high energy density light beam is incident on the light-through structure, the main body of the light-through structure is required to be resistant to high temperature, high energy and damage. Therefore, in the embodiment of the present application, a quartz main body 10 that is resistant to high temperature, high energy and damage is used as the main body of the light-through structure.

[0044] In practical applications, the light-through structure 200 can be prepared using a hot melt method. Specifically, while the quartz is being hot-melted, the light-scattering material 20 is doped into the quartz melt, and then shaped to form the light-through structure 200. However, this application is not limited to this method, and the light-scattering material 20 can also be doped into the quartz body 10 using methods such as electric melting, gas melting, chemical vapor deposition synthesis, in-situ doping, and co-growth to form the light-through structure 200.

[0045] The wireless energy transmission system provided in the embodiment of the present application can be applied to long-distance wireless energy transmission. Since the quartz body 10 of the optical through structure 200 is distributed with a light-scattering material 20, and the refractive index of the light-scattering material 20 is different from the refractive index of the quartz body 10, the light-scattering material 20 in the quartz body 10 can serve as a reflection or scattering center, so that the light beam incident on the quartz body 10 is reflected or scattered by the light-scattering material 20 toward the side wall of the quartz body. That is, the light beam incident on the quartz body 10 is effectively dispersed by the light-scattering material 20 into light waves emitted toward the side wall of the quartz body 10 and emitted from the side wall of the quartz body 10. Then, when the optoelectronic device receives the light wave emitted from the side wall of the quartz body 10 again, the energy of the received light wave is reduced, which facilitates the optoelectronic device to perform photoelectric conversion and avoids damage to the optoelectronic device due to directly receiving a high-energy-density light beam, thereby realizing the collection of a high-energy-density light beam at the receiving end of long-distance wireless energy transmission.

[0046] In addition, the wireless energy transmission system provided in the embodiment of the present application can also utilize the reflection or scattering effect of the scattered light material 20 distributed in the quartz body 10 on the light beam incident into the quartz body 10, so that the energy emitted from the side wall of the quartz body 10 is dispersed and used for functions such as lighting and radiation.

[0047] Figure 3 FIG. 1 shows a schematic diagram of another wireless energy transmission system provided in an embodiment of the present application. Figure 3 As shown, the wireless energy transmission system also includes:

[0048] The first photoelectric device 300 is disposed around the side wall of the quartz body 10 and is used to absorb light emitted from the side wall of the quartz body 10 and convert the energy of the light emitted from the side wall of the quartz body 10 into electrical energy.

[0049] In this embodiment, the first photoelectric device 300 is arranged around the side wall of the quartz body 10, so that it can absorb light emitted from the side wall of the quartz body 10 and perform photovoltaic power generation, converting the energy of the light emitted from the side wall of the quartz body 10 into electrical energy. Due to the reflection or scattering effect of the astigmatism material 20 distributed in the quartz body 10 on the light beam incident into the quartz body 10, the energy of the light wave received by the first photoelectric device 300 is reduced, which facilitates the first photoelectric device 300 to perform photoelectric conversion and avoids damage to the first photoelectric device 300 due to direct reception of a high-energy-density light beam. The high-energy-density light beam can be collected at the receiving end of long-distance wireless energy transmission, thereby truly realizing long-distance wireless energy transmission.

[0050] In this embodiment, the first optoelectronic device 300 may be a flexible optoelectronic device, so that it can be easily disposed around the sidewall of the quartz body 10 .

[0051] Considering that the second end 12 of the quartz body 10 of the light-through structure 200 may also have light wave output, therefore, optionally, in one embodiment of the present application, as Figure 4 As shown, Figure 4 A schematic diagram of the wireless energy transmission system provided by this embodiment is shown. It can be seen that a portion of the light beam passes through the quartz body 10 and is emitted from the second end 12 of the quartz body 10. The wireless energy transmission system further includes:

[0052] The second photoelectric device 400 is located at the second end 12 of the quartz body 10 and is used to absorb light emitted from the second end 12 of the quartz body 10 and convert the energy of the light emitted from the second end 12 of the quartz body 10 into electrical energy.

[0053] In this embodiment, not only is a first photoelectric device 300 disposed around the side wall of the quartz body 10 to absorb light emitted from the side wall of the quartz body 10 and perform photovoltaic power generation, thereby converting the energy of the light emitted from the side wall of the quartz body 10 into electrical energy, but a second photoelectric device 400 is also disposed at the second end of the quartz body 10 to absorb light emitted from the second end 12 of the quartz body 10 and perform photovoltaic power generation, thereby converting the energy of the light emitted from the second end 12 of the quartz body 10 into electrical energy. This achieves full utilization of the light beam energy and improves the energy utilization rate of the wireless energy transmission system.

[0054] It should be noted that, in the above embodiments, since the light-scattering material 20 is distributed in the quartz body 10, Figures 1-4 As shown, the light-scattering material 20 can form a plurality of reflection or scattering centers in the quartz body 10 .

[0055] When the light-scattering material 20 forms multiple reflection centers in the quartz body 10, it is understood that the light beam incident on the quartz body 10 is reflected by one reflection center and then generally incident on one or more other reflection centers, and then reflected by another or more other reflection centers and then emitted from the sidewall of the quartz body 10, so that the light beam incident on the quartz body 10 is dispersed in all directions and emitted. Figures 1-4 As shown by the multiple arrows around the side wall of the quartz body 10, the energy of the light wave emitted from the side wall of the quartz body 10 is relatively uniform.

[0056] Similarly, when the astigmatism material 20 forms multiple scattering centers in the quartz body 10, the light beam incident on the quartz body 10 is scattered by one scattering center and then scattered in multiple directions. In addition, the light beam is incident on one or more scattering centers and then scattered again by one or more scattering centers before being emitted in all directions from the sidewall of the quartz body 10. Figure 1As shown by multiple arrows around the side wall of the quartz body 10, the energy of the light wave emitted from the side wall of the quartz body 10 is more uniform.

[0057] Optionally, in one embodiment of the present application, the particle size of the scattering material 20 is greater than or equal to 1 / 4 of the wavelength of the light beam and less than or equal to 4 times the wavelength of the light beam, so that the light beam incident into the quartz body 10 is scattered by the scattering material 20 toward the side wall of the quartz body 10.

[0058] In this embodiment, since the particle size of the light-scattering material 20 is greater than or equal to 1 / 4 of the wavelength of the light beam and less than or equal to 4 times the wavelength of the light beam, that is, the particle size of the light-scattering material 20 is small, the light beam incident on the quartz body 10 can be scattered by the light-scattering material 20 toward the sidewalls of the quartz body 10, and emitted in all directions from the sidewalls of the quartz body 10, thereby making the light wave energy emitted from the sidewalls of the quartz body 10 more uniform.

[0059] Optionally, in one embodiment of the present application, the light-scattering material 20 is a quantum dot material or a micro-nano crystal material. Since the particle size of quantum dot materials is generally 1 nm to 10 nm, and micro-nano crystal materials are micron- and nano-scale crystal materials, when the light-scattering material 20 is a quantum dot material or a micro-nano crystal material, the particle size of the light-scattering material 20 is relatively small, and the light beam incident on the quartz body 10 can be scattered by the light-scattering material 20 toward the sidewalls of the quartz body 10, and emitted in all directions from the sidewalls of the quartz body 10, thereby making the light wave energy emitted from the sidewalls of the quartz body 10 more uniform.

[0060] Moreover, since the melting point of quantum dot materials or micro-nano crystal materials is generally above 2500°C at the nano-effect scale, when the light-scattering material 20 is a quantum dot material or a micro-nano crystal material, the light-scattering material 20 has a higher melting point, can withstand high temperatures, and has extremely strong damage resistance.

[0061] Optionally, in one embodiment of the present application, the light-scattering material 20 is a diamond quantum dot material. First, the particle size of the diamond quantum dot material is small enough to allow the light beam incident on the quartz body 10 to be scattered by the light-scattering material 20 toward the sidewalls of the quartz body 10, and emitted in all directions from the sidewalls of the quartz body 10, thereby making the light wave energy emitted from the sidewalls of the quartz body 10 more uniform; second, the melting point of the diamond quantum dot material is generally between 3000°C and 4000°C, which is very high, can withstand high temperatures, and has strong damage resistance; third, the diamond quantum dot material itself also has ultra-high thermal conductivity and excellent stability, which is also beneficial to the heat dissipation of the optical structure.

[0062] Optionally, in one embodiment of the present application, the particle size of the astigmatism material 20 ranges from 0.1 nm to 20 μm, including the end point values, that is, the particle size of the astigmatism material 20 is small, which can cause the light beam incident into the quartz body 10 to be scattered by the astigmatism material 20 toward the side wall of the quartz body 10, and emitted in all directions from the side wall of the quartz body 10, thereby making the light wave energy emitted from the side wall of the quartz body 10 more uniform.

[0063] Based on any of the above embodiments, optionally, in one embodiment of the present application, Figures 1-4 As shown, along the transmission direction of the light beam (the first direction X), the concentration of the light scattering material 20 distributed in the quartz body 10 gradually increases.

[0064] This is because, along the transmission direction of the light beam (the first direction X), the energy density of the light beam received by the front section of the quartz body 10 is relatively large, and fewer scattering centers are required to enable the energy of the light wave emitted from the side wall of the quartz body 10 to reach a preset value. However, since the light beam has been partially scattered in the front section of the quartz body 10, the energy density of the light beam received by the rear section of the quartz body 10 is reduced, and thus more scattering centers are required to enable the energy of the light wave emitted from the side wall of the quartz body 10 to reach a preset value, thereby making the energy of the light wave emitted from the side wall of the quartz body 10 more uniform, forming a more uniform light wave distribution.

[0065] On the basis of the above embodiment, optionally, in one embodiment of the present application, along the transmission direction of the light beam (first direction X), the concentration of the light scattering material 20 distributed in the quartz body 10 gradually increases.

[0066] Optionally, in another embodiment of the present application, along the transmission direction of the light beam (first direction X), the quartz body 10 is divided into N segments, and in the quartz body, the concentration of the astigmatism material 20 distributed in the i+1th segment is greater than the concentration of the astigmatism material 20 distributed in the i-th segment, that is, along the transmission direction of the light beam (first direction X), the concentration of the astigmatism material 20 distributed in the quartz body 10 gradually increases in segments.

[0067] For ease of application, based on any of the above embodiments, optionally, in one embodiment of the present application, Figures 1-4 As shown, the quartz body 10 is a polygonal prism or a cylinder, and the first end 11 and the second end 12 of the quartz body 10 correspond to the two bottom surfaces of the polygonal prism or the cylinder.

[0068] The embodiment of the present application also provides a light passage structure, Figure 2 A schematic diagram of the optical path structure provided in the embodiment of the present application is shown in FIG. Figure 2 As shown, the light path structure includes:

[0069] A quartz body 10 extends along a first direction X and has a first end 11 and a second end 12 disposed opposite to each other along the first direction X. The first end 11 of the quartz body 10 receives a light beam transmitted along the first direction X.

[0070] The astigmatism material 20 distributed in the quartz body 10 has a refractive index different from that of the quartz body 10 , so that the light beam incident into the quartz body 10 is reflected or scattered by the astigmatism material 20 toward the side wall of the quartz body and emitted from the side wall of the quartz body 10 .

[0071] In the embodiment of the present application, the quartz body 10 is located on the transmission path of the light beam, and the first end 11 of the quartz body 10 receives the light beam transmitted along the first direction X. Figure 2 As shown by the solid line with an arrow on the left side of the first end 11 of the middle quartz body 10 , the light beam may be a high energy density light beam used for long-distance wireless energy transmission.

[0072] Optionally, the light beam can be a laser beam, which can be a laser beam such as a 500nm, 808nm or 1060nm laser beam, and the laser beam is emitted by a single light source (such as a laser source) with the advantages of consistency, concealment (non-visible light), low divergence and low thermal effect; another option is that the light beam can also be a converged sunlight beam, in which case the light source can be a lens with a light converging effect, etc.

[0073] Considering that when a high energy density light beam is incident on the light-through structure, the main body of the light-through structure is required to be resistant to high temperature, high energy and damage. Therefore, in the embodiment of the present application, a quartz main body 10 that is resistant to high temperature, high energy and damage is used as the main body of the light-through structure.

[0074] In practical applications, the light-through structure provided in the embodiments of the present application can be prepared using a hot melt method. Specifically, while the quartz is hot-melted, the light-scattering material 20 is doped into the quartz melt, and then shaped to form the light-through structure. However, this application is not limited to this method, and the light-scattering material 20 can also be doped into the quartz body 10 using methods such as electric melting, gas melting, chemical vapor deposition synthesis, in-situ doping, and co-growth to form the light-through structure.

[0075] The optical path structure provided in the embodiment of the present application can be applied to the receiving end of long-distance wireless energy transmission. Since the quartz body 10 is distributed with the astigmatism material 20, and the refractive index of the astigmatism material 20 is different from the refractive index of the quartz body 10, the astigmatism material 20 in the quartz body 10 can serve as a reflection or scattering center, so that the light beam incident into the quartz body 10 is reflected or scattered toward the side wall of the quartz body by the astigmatism material 20. That is, the light beam incident into the quartz body 10 is effectively dispersed by the astigmatism material 20 into light waves emitted toward the side wall of the quartz body 10 and emitted from the side wall of the quartz body 10. Then, when the optoelectronic device receives the light wave emitted from the side wall of the quartz body 10 again, the energy of the received light wave is reduced, which facilitates the optoelectronic device to perform photoelectric conversion and avoids damage to the optoelectronic device due to directly receiving a high-energy-density light beam, thereby realizing the collection of a high-energy-density light beam at the receiving end of long-distance wireless energy transmission.

[0076] In addition, the light passage structure provided in the embodiment of the present application can also utilize the reflection or scattering effect of the scattered light material 20 distributed in the quartz body 10 on the light beam incident into the quartz body 10, so that the energy emitted from the side wall of the quartz body 10 is dispersed and the light waves are used for functions such as lighting and radiation.

[0077] It should be noted that, in the embodiment of the present application, since the light-scattering material 20 is distributed in the quartz body 10, Figure 2 As shown, the light-scattering material 20 can form a plurality of reflection or scattering centers in the quartz body 10 .

[0078] When the light-scattering material 20 forms multiple reflection centers in the quartz body 10, it is understood that the light beam incident on the quartz body 10 is reflected by one reflection center and then generally incident on one or more other reflection centers, and then reflected by another or more other reflection centers and then emitted from the sidewall of the quartz body 10, so that the light beam incident on the quartz body 10 is dispersed in all directions and emitted. Figure 2 As shown by the multiple arrows around the side wall of the quartz body 10, the energy of the light wave emitted from the side wall of the quartz body 10 is relatively uniform.

[0079] Similarly, when the astigmatism material 20 forms multiple scattering centers in the quartz body 10, the light beam incident on the quartz body 10 is scattered by one scattering center and then scattered in multiple directions. In addition, the light beam is incident on one or more scattering centers and then scattered again by one or more scattering centers before being emitted in all directions from the sidewall of the quartz body 10. Figure 2 As shown by multiple arrows around the side wall of the quartz body 10, the energy of the light wave emitted from the side wall of the quartz body 10 is more uniform.

[0080] Optionally, in one embodiment of the present application, the particle size of the scattering material 20 is greater than or equal to 1 / 4 of the wavelength of the light beam and less than or equal to 4 times the wavelength of the light beam, so that the light beam incident into the quartz body 10 is scattered by the scattering material 20 toward the side wall of the quartz body 10.

[0081] In this embodiment, since the particle size of the light-scattering material 20 is greater than or equal to 1 / 4 of the wavelength of the light beam and less than or equal to 4 times the wavelength of the light beam, that is, the particle size of the light-scattering material 20 is small, the light beam incident on the quartz body 10 can be scattered by the light-scattering material 20 toward the sidewalls of the quartz body 10, and emitted in all directions from the sidewalls of the quartz body 10, thereby making the light wave energy emitted from the sidewalls of the quartz body 10 more uniform.

[0082] Optionally, in one embodiment of the present application, the light-scattering material 20 is a quantum dot material or a micro-nano crystal material. Since the particle size of quantum dot materials is generally 1 nm to 10 nm, and micro-nano crystal materials are micron- and nano-scale crystal materials, when the light-scattering material 20 is a quantum dot material or a micro-nano crystal material, the particle size of the light-scattering material 20 is relatively small, and the light beam incident on the quartz body 10 can be scattered by the light-scattering material 20 toward the sidewalls of the quartz body 10, and emitted in all directions from the sidewalls of the quartz body 10, thereby making the light wave energy emitted from the sidewalls of the quartz body 10 more uniform.

[0083] Moreover, since the melting point of quantum dot materials or micro-nano crystal materials is generally above 2500°C at the nano-effect scale, when the light-scattering material 20 is a quantum dot material or a micro-nano crystal material, the light-scattering material 20 has a higher melting point, can withstand high temperatures, and has extremely strong damage resistance.

[0084] Optionally, in one embodiment of the present application, the light-scattering material 20 is a diamond quantum dot material. First, the particle size of the diamond quantum dot material is small enough to allow the light beam incident on the quartz body 10 to be scattered by the light-scattering material 20 toward the sidewalls of the quartz body 10, and emitted in all directions from the sidewalls of the quartz body 10, thereby making the light wave energy emitted from the sidewalls of the quartz body 10 more uniform; second, the melting point of the diamond quantum dot material is generally between 3000°C and 4000°C, which is very high, can withstand high temperatures, and has strong damage resistance; third, the diamond quantum dot material itself also has ultra-high thermal conductivity and excellent stability, which is also beneficial to the heat dissipation of the optical structure.

[0085] Optionally, in one embodiment of the present application, the particle size of the astigmatism material 20 ranges from 0.1 nm to 20 μm, including the end point values, that is, the particle size of the astigmatism material 20 is small, which can cause the light beam incident into the quartz body 10 to be scattered by the astigmatism material 20 toward the side wall of the quartz body 10, and emitted in all directions from the side wall of the quartz body 10, thereby making the light wave energy emitted from the side wall of the quartz body 10 more uniform.

[0086] Based on any of the above embodiments, optionally, in one embodiment of the present application, Figure 2 As shown, along the transmission direction of the light beam (the first direction X), the concentration of the light scattering material 20 distributed in the quartz body 10 gradually increases.

[0087] This is because, along the transmission direction of the light beam (the first direction X), the energy density of the light beam received by the front section of the quartz body 10 is relatively large, and fewer scattering centers are required to enable the energy of the light wave emitted from the side wall of the quartz body 10 to reach a preset value. However, since the light beam has been partially scattered in the front section of the quartz body 10, the energy density of the light beam received by the rear section of the quartz body 10 is reduced, and thus more scattering centers are required to enable the energy of the light wave emitted from the side wall of the quartz body 10 to reach a preset value, thereby making the energy of the light wave emitted from the side wall of the quartz body 10 more uniform, forming a more uniform light wave distribution.

[0088] On the basis of the above embodiment, optionally, in one embodiment of the present application, along the transmission direction of the light beam (first direction X), the concentration of the light scattering material 20 distributed in the quartz body 10 gradually increases.

[0089] Optionally, in another embodiment of the present application, along the transmission direction of the light beam (first direction X), the quartz body 10 is divided into N segments, and in the quartz body, the concentration of the astigmatism material 20 distributed in the i+1th segment is greater than the concentration of the astigmatism material 20 distributed in the i-th segment, that is, along the transmission direction of the light beam (first direction X), the concentration of the astigmatism material 20 distributed in the quartz body 10 gradually increases in segments.

[0090] For ease of application, based on any of the above embodiments, optionally, in one embodiment of the present application, Figure 2 As shown, the quartz body 10 is a polygonal prism or a cylinder, and the first end 11 and the second end 12 of the quartz body 10 correspond to the two bottom surfaces of the polygonal prism or the cylinder.

[0091] In summary, the optical communication structure and wireless energy transmission system provided by the embodiments of the present application utilize a light-scattering material distributed within a quartz body, wherein the light-scattering material has a refractive index different from that of the quartz body. This causes a light beam incident upon the quartz body to be reflected or scattered by the light-scattering material toward the sidewalls of the quartz body. Specifically, the light-scattering material within the quartz body acts as a reflection or scattering center, effectively dispersing the light beam incident upon the quartz body into light waves directed toward the sidewalls of the quartz body and emitted from the sidewalls. Consequently, when the optoelectronic device receives the light waves emitted from the sidewalls of the quartz body, the energy of the received light waves is reduced, facilitating optoelectronic conversion in the optoelectronic device and preventing damage to the device from directly receiving a high-energy-density light beam. This allows for the collection of high-energy-density light beams at the receiving end of long-distance wireless energy transmission. Furthermore, the light emitted from the sidewalls of the quartz body can also be used for functions such as illumination and radiation.

[0092] The various parts in this manual are described in a combination of parallel and progressive manners. Each part focuses on the differences from other parts, and the same or similar parts between the various parts can be referenced to each other.

[0093] With respect to the above description of the disclosed embodiments, the features described in the various embodiments in this specification may be interchanged or combined with one another to enable those skilled in the art to implement or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wireless energy transmission system, characterized in that: include: a light source configured to emit a light beam transmitted along a first direction; a light passage structure located on a transmission path of the light beam, the light passage structure comprising a quartz body and a light-scattering material distributed in the quartz body; The quartz body extends along the first direction, and has a first end and a second end opposite to each other along the first direction, and the first end of the quartz body receives the light beam; The refractive index of the light-scattering material is different from that of the quartz body, so that the light beam incident on the quartz body is reflected or scattered by the light-scattering material toward the side wall of the quartz body and emitted from the side wall of the quartz body; The particle size of the light-scattering material is greater than or equal to 1 / 4 of the wavelength of the light beam and less than or equal to 4 times the wavelength of the light beam, so that the light beam incident on the quartz body is scattered by the light-scattering material toward the side wall of the quartz body; The light-scattering material is a quantum dot material or a micro-nano crystal material.

2. The wireless energy transmission system according to claim 1, characterized in that: Also includes: A first photoelectric device is disposed around the side wall of the quartz body and is used for absorbing light emitted from the side wall of the quartz body and converting energy of the light emitted from the side wall of the quartz body into electrical energy.

3. The wireless energy transmission system according to claim 1 or 2, characterized in that: Part of the light beam passes through the quartz body and is emitted from the second end of the quartz body. The wireless energy transmission system further includes: The second photoelectric device is located at the second end of the quartz body and is used to absorb light emitted from the second end of the quartz body and convert energy of the light emitted from the second end of the quartz body into electrical energy.

4. The wireless energy transmission system according to claim 1, wherein: The particle size of the light-scattering material ranges from 1 nm to 20 μm, including endpoints.

5. The wireless energy transmission system according to claim 1, characterized in that: The light-scattering material is diamond quantum dot material.

6. The wireless energy transmission system according to claim 1, characterized in that: Along the transmission direction of the light beam, the concentration of the light scattering material distributed in the quartz body gradually increases.

7. The wireless energy transmission system according to claim 1, characterized in that: The quartz body is a polygonal prism or a cylindrical body, and the first end and the second end of the quartz body correspond to two bottom surfaces of the polygonal prism or the cylindrical body.

8. The wireless energy transmission system according to claim 1, wherein: The light beam is a laser beam or a converged solar beam.

Citation Information

Patent Citations

  • Light flux structure

    CN219370040U