Reliable communication device and equipment based on visible light technology
By adopting a design based on visible light technology in communication equipment, using low-cost light-emitting LEDs and photodiodes, the complex and cost-effective design of existing optical transmission equipment is solved, and portable, safe and stable data transmission is achieved.
Patent Information
- Application Number
- CN202420731398.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-10
AI Technical Summary
Existing contactless optical transmission equipment has complex design, high hardware cost, large equipment size and high power consumption, making it inconvenient for portability and use.
Reliable communication devices and equipment based on visible light technology, including the transmitting end module and the receiving end module in the portable box, and low-cost light-emitting LEDs and photodiodes are used to realize visible light transmission of data through the light driving module and the light detection module.
It realizes the equipment structure is simple, light weight, small space and easy to carry and use, reduces design and material costs, improves the security and stability of data transmission, and reduces faults and repair costs.
Smart Images

Figure CN222509306U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of information security data transmission, and more specifically, to a reliable communication device and equipment based on visible light technology which adopts visible light transmission technology and has low cost, portability, safety, reliability and stable transmission. Background Art
[0002] With the popularization of mobile communication technology, people's demand for high-speed and convenient communication methods is increasing. The current mainstream communication technologies include wireless communication technologies such as cellular networks, Wi-Fi and Bluetooth. However, these technologies may have problems such as low security and inconvenience in carrying in some specific scenarios. In order to ensure accurate transmission of information, visible light transmission combines hardware equipment and optical transmission technology to achieve irreversible data transmission technology, one-way transmission from non-confidential equipment to confidential equipment; therefore, visible light transmission is a new type of wireless communication technology, which can use light-emitting LED light sources as carriers for visible light communication transmission. For existing non-contact optical transmission equipment, there are problems such as high design complexity and relatively high hardware costs of light sources and receivers.
[0003] Currently, the equipment on the market usually uses high-cost LED lamps as light sources and high-cost photoelectric detection devices. The design structure is relatively complex, and the equipment is large in size and high in power consumption, which makes it inconvenient to carry and use. Therefore, we have made improvements to this and proposed a reliable communication device and equipment based on visible light technology. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a reliable communication device and equipment based on visible light technology, which solves the problems mentioned in the background technology.
[0005] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:
[0006] Reliable communication devices and equipment based on visible light technology to solve the above problems.
[0007] The specific application is as follows:
[0008] It comprises a portable box, wherein a transmitting end module and a receiving end module are arranged inside the portable box;
[0009] The transmitting end module includes a network port access module 1, an Ethernet controller module 1, a single-chip microcomputer control module 1, an optical drive module and a power supply module 1;
[0010] The receiving end module includes a light detection module PD, a single-chip control module 2, an Ethernet controller module 2, a network port access module 2 and a power supply module 2;
[0011] The optical driving module and the optical detection module PD are arranged to face each other, which ensures that the loss of the emitted optical signal is reduced, and helps to maintain the stability and reliability of the device.
[0012] As the preferred technical solution of the present application, the network port access module 1 and the network port access module 2 are RJ45 network ports.
[0013] As a preferred technical solution of the present application, the Ethernet controller module 1 and the Ethernet controller module 2 are both SPI-MII 100M Ethernet chips.
[0014] As a preferred technical solution of the present application, the single-chip microcomputer control module 1 and the single-chip microcomputer control module 2 are both ARM Cortex-M3 MCU chips.
[0015] As the preferred technical solution of the present application, the optical drive module includes a 'light-to-electricity' conversion circuit and a light source LED, which can convert the received electrical signal into an optical signal, and transmit data through the electrical signal amplified by the PNP transistor and the light source LED as a carrier of the visible light signal.
[0016] As the preferred technical solution of the present application, the optical detection module PD includes a 'light-to-electricity' conversion circuit and a photodiode, which can connect the received optical signal to a dual-channel voltage comparator, convert the optical signal into a voltage signal, and determine the size of the voltage signal for control and processing.
[0017] As a preferred technical solution of the present application, the power module 1 and the power module 2 both adopt a linear regulator LDO, and the power module 1 and the power module 2 are respectively connected to the single-chip microcomputer control module 1 and the single-chip microcomputer control module 2.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] In the scheme of this application:
[0020] 1. The utility model uses visible light transmission technology, and the device has a simple structure, light weight, small space occupation, and is easy to carry and use.
[0021] 2. The utility model uses visible light transmission technology, with low design cost, and relatively low material and labor costs.
[0022] 3. The utility model uses visible light transmission technology, integrates hardware equipment and optical transmission technology to achieve irreversible data transmission, avoids the risk of cross-transmission of equipment, reduces failures, reduces maintenance costs, and is conducive to protecting the security of data transmission. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1This is a diagram of the internal structure framework of the reliable communication device and equipment based on visible light transmission of the utility model.
[0024] Figure 2 The utility model is a schematic diagram of the external connection of the reliable communication device and equipment based on visible light transmission.
[0025] Figure 3 This is a system module schematic diagram of the reliable communication device and equipment based on visible light transmission of the utility model.
[0026] Figure 4 The utility model is a circuit schematic diagram of a single-chip microcomputer control module of a reliable communication device and equipment based on visible light transmission.
[0027] Figure 5 This is a circuit schematic diagram of an Ethernet controller module of a reliable communication device and equipment based on visible light transmission of the utility model.
[0028] Figure 6 The utility model is a flowchart of the working principle of the transmitting module of the reliable communication device and equipment based on visible light transmission.
[0029] Figure 7 The utility model is a flowchart of the working principle of the receiving module of the reliable communication device and equipment based on visible light transmission.
[0030] Indicated in the figure:
[0031] 1. Network port access module 1; 2. Ethernet controller module 1; 3. Single chip microcomputer control module 1;
[0032] 4. Optical drive module; 5. Power module one; 6. Light detection module PD; 7. Single chip control module two; 8. Ethernet controller module two; 9. Network port access module two; 10. Power module two. DETAILED DESCRIPTION
[0033] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described examples are part of the embodiments of the utility model, not all of the embodiments.
[0034] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0035] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0037] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper" and "lower" is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0038] In order to solve the technical problems in the background technology, the following reliable communication devices and equipment based on visible light technology are provided:
[0039] Combination Figure 1 - Figure 7 As shown, the utility model provides a reliable communication device and equipment based on visible light technology, including a portable box, and a transmitting end module and a receiving end module are arranged inside the portable box; the transmitting end module includes a network port access module 1, an Ethernet controller module 2, a single-chip control module 3, an optical drive module 4 and a power module 5; the receiving end module includes a light detection module PD6, a single-chip control module 27, an Ethernet controller module 28, a network port access module 29 and a power module 210; the optical drive module 4 and the optical detection module PD6 are arranged to be opposite to each other, ensuring that the emitted optical signal reduces the loss, which helps to maintain the stability and reliability of the equipment.
[0040] The transmitting end module is connected in sequence to network port access module 1, Ethernet controller module 2, single-chip control module 3, optical drive module 4, and power module 5 through the transmission data sequence; the receiving end module is connected in sequence to optical detection module PD6, single-chip control module 2 7, Ethernet controller module 2 8, network port access module 2 9, and power module 2 10 through the transmission data sequence.
[0041] As a preferred implementation, based on the above-mentioned method, further, the network port access module 1 and the network port access module 2 9 are RJ45 network ports for establishing a network connection and a channel for transmitting data.
[0042] As a preferred implementation, based on the above method, further, the Ethernet controller module 1 2 and the Ethernet controller module 2 8 are both SPI-MII 100M Ethernet chips, and the Ethernet controller module 1 2 and the Ethernet controller module 2 8 are respectively connected to the network port access module 1 and the network port access module 2 9, for managing and controlling the network connection and data transmission in the computer system.
[0043] As a preferred implementation, on the basis of the above method, further, the single-chip control module 1 3 and the single-chip control module 2 7 are both ARM Cortex-M3 MCU chips, and the single-chip control module 1 3 and the single-chip control module 2 7 are respectively connected to the Ethernet controller module 1 2 and the Ethernet controller module 2 8 to realize data reception, transmission and processing, so that the device can be connected to the network and realize data transmission and control between devices.
[0044] As a preferred implementation, on the basis of the above method, further, the optical drive module 4 includes a 'light-to-electricity' conversion circuit and a light source LED. The optical drive module 4 uses a low-cost light-emitting LED as a carrier of a visible light signal, which is connected to a single-chip control module 3. After the modulated electrical signal is amplified by a PNP transistor, the electrical signal is converted into an optical signal, and a modulated optical signal is emitted to transmit data.
[0045] As a preferred implementation, on the basis of the above-mentioned method, further, the optical detection module PD6 includes a 'light-to-electrical' conversion circuit and a photodiode, which can connect the received optical signal and the dual-channel voltage comparator, convert the optical signal into a voltage signal, and judge the size of the voltage signal, so as to control and process it, and finally the signal is transmitted to the Ethernet controller module 2 8 by the single-chip control module 2 7.
[0046] As a preferred implementation, on the basis of the above method, further, the power module 1 5 and the power module 2 10 both adopt a linear regulator LDO, and the power module 1 5 and the power module 2 10 are respectively connected to the single-chip control module 1 3 and the single-chip control module 2 7 to ensure that the voltage at the output end is stably and reliably supplied with power.
[0047] Specifically, the working principle of this solution is:
[0048] When in use, the network port access module 1 and the network port access module 2 9 are RJ45 network ports, which can be used to establish a network connection and a data transmission channel. The Ethernet controller module 1 2 and the Ethernet controller module 2 8 are respectively connected to the network port access module 1 and the network port access module 2 9 to manage and control the network connection and data transmission in the computer system. The Ethernet controller module 1 2 and the Ethernet controller module 2 8 are respectively connected through the single-chip control module 1 3 and the single-chip control module 2 7 to realize data reception, transmission and processing, so that the device can be connected to the network and realize data transmission and control between devices. The optical drive module 4 and the optical detection module PD6 are arranged in a positive direction to ensure that the emitted optical signal Reducing losses helps to maintain the stability and reliability of the equipment. The optical drive module 4 uses a low-cost light-emitting LED as a carrier of the visible light signal, which is connected to the single-chip control module 3. After the modulated electrical signal is amplified by the PNP transistor, the optical detection module PD6 converts the electrical signal into an optical signal and emits a modulated optical signal to transmit data. The received optical signal can be connected to a dual-channel voltage comparator to convert the optical signal into a voltage signal. The power module 1 5 and the power module 2 10 are used to ensure that the voltage at the output end is stably and reliably supplied with power. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0049] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention are included in the scope of the claims of the present invention.
Claims
1. A reliable communication device and apparatus based on visible light technology, including a portable box, characterized in that: A transmitting end module and a receiving end module are arranged inside the portable box; The transmitting end module comprises a network port access module (1), an Ethernet controller module (2), a single chip control module (3), an optical drive module (4) and a power supply module (5); The receiving end module comprises a light detection module PD (6), a single chip control module 2 (7), an Ethernet controller module 2 (8), a network port access module 2 (9) and a power supply module 2 (10); The optical drive module (4) and the optical detection module PD (6) are arranged to face each other, thereby ensuring that the loss of the emitted optical signal is reduced, which helps to maintain the stability and reliability of the device.
2. A reliable communication device and apparatus based on visible light technology according to claim 1, characterized in that: The network port access module 1 (1) and the network port access module 2 (9) are RJ45 network ports.
3. A reliable communication device and apparatus based on visible light technology according to claim 1, characterized in that: The Ethernet controller module 1 (2) and the Ethernet controller module 2 (8) are both SPI-MII 100M Ethernet chips.
4. A reliable communication device and apparatus based on visible light technology according to claim 1, characterized in that: The single-chip microcomputer control module 1 (3) and the single-chip microcomputer control module 2 (7) are both ARM Cortex-M3 MCU chips.
5. A reliable communication device and apparatus based on visible light technology according to claim 1, characterized in that: The optical drive module (4) comprises a 'light-to-electricity' conversion circuit and a light source LED, and is capable of converting a received electrical signal into an optical signal, and transmitting data through the electrical signal amplified by a PNP transistor and the light source LED as a carrier of a visible light signal.
6. A reliable communication device and apparatus based on visible light technology according to claim 1, characterized in that: The optical detection module PD (6) includes a 'light-to-electricity' conversion circuit and a photodiode, which can connect the received optical signal to a dual-channel voltage comparator, convert the optical signal into a voltage signal, and determine the size of the voltage signal, thereby controlling and processing.
7. A reliable communication device and apparatus based on visible light technology according to claim 1, characterized in that: The power module 1 (5) and the power module 2 (10) both use a linear regulator LDO, and the power module 1 (5) and the power module 2 (10) are respectively connected to the single-chip control module 1 (3) and the single-chip control module 2 (7).