CN204459819U - There is the bulb lamp of visible light communication function - Google Patents

Abstract

The utility model relates to a kind of bulb lamp with visible light communication function.The above-mentioned bulb lamp with visible light communication function comprises housing, lamp holder, radiator, power supply, visible light communication module and light source module.Light source module is positioned at housing, and light source module is fixedly connected with radiator; Light source module is electrically connected with light source module, and light source module is electrically connected with visible light communication module, and the control that light source module can be subject to visible light communication module sends optical signal, thus realizes communication.Light source module sends light at visible light wave range, does not need frequency range permission, solves the problem of wireless network frequency spectrum resource anxiety.The light that light source module sends is visible ray, can not produce electromagnetic interference.Meanwhile, the spread scope of information is only light area, as long as pull on window-blind, information would not be leaked, and confidentiality is high.Visible light communication module is combined with power supply, is arranged in the container cavity of radiator, saves space, and is connected firmly.

Description

Bulb lamp with visible light communication function

technical field

The utility model relates to the technical field of lamps, in particular to a bulb lamp with visible light communication function.

Background technique

With the rapid popularization of smart devices, the rapid increase in the number of users, and the rapid growth of people's demand for high-speed broadband multimedia communications, wireless network spectrum resources are in short supply. At the same time, traditional wireless networks will generate electromagnetic radiation interference, affecting the stability and reliability of other electrical equipment. Moreover, the confidentiality of the wireless transmission network is not strong, and it is easy to be monitored or eavesdropped. Therefore, there is a need for a communication method that does not generate electromagnetic radiation interference and has high confidentiality to make up for the above defects.

Bulb lamps have been widely used because they have the shape of bulbs that people are used to, and have the characteristics of wide luminous angle and easy replacement of traditional bulbs.

Utility model content

Based on this, it is necessary to provide a bulb lamp with visible light communication function.

A bulb lamp with visible light communication function, comprising:

case;

a lamp cap fixedly connected to one end of the housing;

The radiator is located in the housing and is close to the lamp cap, the radiator is fixedly connected with the housing; the radiator includes a body and cooling fins arranged on the body, and the inside of the body forming an accommodating cavity, the heat dissipation fins are located outside the body;

a power supply, located in the accommodating cavity, and the power supply is fixedly connected to the lamp holder;

a visible light communication module located in the accommodating cavity, and the visible light communication module is combined with the power supply; and

The light source module is located in the housing, the light source module is fixedly connected to the heat sink; the light source module is electrically connected to the light source module, and the light source module is electrically connected to the visible light communication module connect.

In one of the embodiments, the light source module is an LED light source module.

In one of the embodiments, it further includes a heat adapter, the heat adapter is in the shape of a polyhedron, and the light source module is connected to the heat sink through the heat adapter;

The light source module includes a substrate and LED lamp beads, the number of the substrates is multiple, and they are respectively arranged on multiple surfaces of the thermal adapter, and at least one of the LED lamp beads is arranged on each of the substrates.

In one embodiment, the substrate is a metal-based printed circuit board.

In one embodiment, one side of the thermal adapter abuts against the end surface of the body.

In one of the embodiments, the body is cylindrical, the number of the heat dissipation fins is multiple, and the plurality of heat dissipation fins are parallel to the axial direction of the body, and the plurality of heat dissipation fins Evenly aligned on the body.

In one of the embodiments, the housing includes a first housing and a second housing, the first housing is hemispherical; one end of the second housing is connected to the edge of the first housing , the other end of the second shell is connected to the lamp cap, and the second shell is gradually widened close to the first shell.

In one embodiment, the first casing is transparent, and the light source module is located in the first casing.

In one of the embodiments, at least part of the heat sink is located in the second housing.

In one of the embodiments, a plurality of ventilation holes are opened on the second housing.

In the bulb lamp with visible light communication function, the light source module is electrically connected to the visible light communication module, and the light source module can be controlled by the visible light communication module to send out optical signals, thereby realizing communication. The light source module emits light in the visible light band and does not require frequency band licensing, which solves the problem of shortage of wireless network spectrum resources. The light emitted by the light source module is visible light and will not generate electromagnetic radiation interference. At the same time, the transmission range of information is only in the illuminated area, as long as the blackout curtain is closed, the information will not leak, and the confidentiality is high. The visible light communication module is combined with the power supply, and is arranged in the accommodation cavity of the radiator, which saves space and is firmly connected.

Description of drawings

Fig. 1 is a front view of a bulb lamp with visible light communication function according to an embodiment;

Fig. 2 is an explosion diagram of the bulb lamp with visible light communication function shown in Fig. 1;

FIG. 3 is a top view of the bulb lamp with visible light communication function shown in FIG. 1 .

Detailed ways

In order to facilitate the understanding of the present invention, the bulb lamp with visible light communication function will be described more comprehensively below with reference to related drawings. The preferred embodiment of the bulb lamp with visible light communication function is given in the accompanying drawings. However, the bulb lamp with visible light communication function can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the bulb lamp with visible light communication function more thorough and comprehensive.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used herein in the description of the bulb lamp with visible light communication function is only for the purpose of describing specific embodiments, and is not intended to limit the present utility model.

As shown in FIG. 1 and FIG. 2 , a bulb lamp 100 with visible light communication function according to an embodiment includes a housing 110 , a lamp cap 120 , a heat sink 130 , a power supply 140 , a visible light communication module 150 and a light source module 160 . The lamp head 120 is fixedly connected to one end of the housing 110 . The radiator 130 is located in the casing 110 and close to the lamp cap 120 , and the radiator 130 is fixedly connected with the casing 110 . The heat sink 130 includes a body 132 and heat dissipation fins 134 disposed on the body 132 , an accommodating chamber 136 is formed inside the body 132 , and the heat dissipation fins 134 are located outside the body 132 . The power supply 140 is located in the receiving chamber 136 , and the power supply 140 is fixedly connected with the lamp holder 120 . The visible light communication module 150 is located in the receiving cavity 136 , and the visible light communication module 150 is combined with the power supply 140 .

The light source module 160 is generally an LED light source module, the light source module 160 is located in the housing 110 , and the light source module 160 is fixedly connected to the radiator 130 . The light source module 160 is electrically connected to the light source module, and the light source module 160 is electrically connected to the visible light communication module 150 . The light source module 160 is electrically connected to the visible light communication module 150, and the light source module 160 can be controlled by the visible light communication module 150 to send out light signals, thereby realizing communication. The light source module 160 emits light in the visible light band and does not require frequency band license authorization, which solves the problem of shortage of spectrum resources in wireless networks. The light emitted by the light source module 160 is visible light, which will not generate electromagnetic radiation interference. At the same time, the transmission range of information is only in the illuminated area, as long as the blackout curtain is closed, the information will not leak, and the confidentiality is high. The visible light communication module 150 is combined with the power supply 140 and disposed in the accommodation cavity 136 of the heat sink 130 , which saves space and is firmly connected.

In one embodiment, the bulb lamp 100 may further include a heat adapter 170 , the heat adapter 170 is in the shape of a polyhedron, and the light source module 160 is connected to the heat sink 130 through the heat adapter 170 . The light source module 160 includes a substrate 162 and LED lamp beads 164 . There are multiple substrates 162 arranged on multiple surfaces of the thermal adapter 170 . At least one LED lamp bead 164 is arranged on each substrate 162 . The substrate 162 is arranged on different surfaces of the thermal adapter 170, so that the light source module 160 can form multiple light emitting directions, the light emitting angle is wide, and the light intensity of each angle is uniform, so that the visible light signal can cover a larger range . The polyhedral heat adapter 170 ensures the effect of heat dissipation.

The heat adapter 170 and the heat sink 130 can be an integral structure or a separate structure. In this embodiment, the thermal adapter 170 and the heat sink 130 are separate structures, one side of the thermal adapter 170 abuts against the end surface of the body 132 , and the surface-to-face contact area is larger, which can improve the heat dissipation effect. In order to further improve the heat dissipation effect, the substrate 162 may be a metal-based printed circuit board with high heat dissipation efficiency, such as an aluminum substrate.

In one embodiment, the body 132 is cylindrical, and the number of heat dissipation fins 134 is multiple, and the plurality of heat dissipation fins 134 are all parallel to the axial direction of the body 132, and the plurality of heat dissipation fins 134 are evenly arranged on the body 132 , in order to improve the cooling efficiency as much as possible.

In one embodiment, the housing 110 includes a first housing 112 and a second housing 114 , and the first housing 112 is hemispherical. One end of the second shell 114 is connected to the edge of the first shell 112 , and the other end of the second shell 114 is connected to the lamp cap 120 , and the second shell 114 is gradually widened close to the first shell 112 . The first housing 112 and the second housing 114 integrally form a traditional light bulb shape. In one embodiment, the first housing 112 is transparent, and the material of the first housing 112 may be transparent plastic. The material of the second housing 114 can also be plastic, but aluminum with better heat dissipation effect is preferred.

Referring to Fig. 3 at the same time, in one of the embodiments, the first housing 112 may also have heat dissipation holes 1122, and the first housing 112 at the heat dissipation holes 1122 is recessed inward, so that the first shell at the heat dissipation holes 1122 The body 112 is in contact with the heat converter, so as to prevent dust from entering the heat dissipation hole 1122 and contaminating the light source module 160 .

The light source module 160 is located in the first casing 112 . At least a portion of the heat sink 130 is located within the second housing 114 . A plurality of ventilation holes 1142 are opened on the second housing 114 to enhance air convection, improve the heat exchange efficiency between the cooling fins 134 and the air, and further improve the cooling effect. Visible light communication module 150 tends to generate heat when it is working. It is arranged in the accommodation cavity 136 , and the heat dissipation fins 134 dissipate heat efficiently, which can help reduce the temperature of the visible light communication module 150 and prolong the working life of the visible light communication module 150 .

A visible light communication system according to an embodiment includes a bulb lamp with visible light communication function 100 shown in FIGS. 1 to 3 , and a terminal device. The terminal device is connected to the bulb lamp with visible light communication function 100 through visible light communication. The terminal device may be a wireless communication device such as a mobile phone, a tablet computer, and a portable computer with a light sensing function.

In the visible light communication system of this embodiment, the light source module 160 uses visible light to transmit information and data, and through the combination of the power supply 140, the visible light communication module 150 and the light source module 160, the transmission mode of the wireless router is realized. In the information transmission of this embodiment, the most basic signals can be set as '1' and '0', specifically, the light-on state can be set as '1', and the light-off state can be set as '0', Then, the signal transmission can be realized through the switch of the light, and the light source module 160 is used to send out high-speed bright and dark flickering signals that cannot be distinguished by human eyes to transmit information. The light source module 160 can flash millions of times per second, and its binary data is quickly coded into a light signal for transmission, and the signal is received by a photosensitive sensor.

The visible light communication module 150 can be connected to the network in a wired manner, and all devices within the light coverage area of the bulb lamp can receive visible light communication signals. The visible light communication system of this embodiment can realize continuous and high-speed data transmission as long as it is within the lighting range of the bulb lamp, and can reach a rate of tens of megabits or even hundreds of megabytes per second, and its spectrum is wider than the radio spectrum.

The use of visible light for communication itself only encodes data and transmits it through ordinary visible light. The realization process will not cause electromagnetic interference to people and electrical equipment. The frequency band of the light emitted by the LED does not require a frequency band license authorization, so high-bandwidth and high-speed wireless communication can be realized at low cost. At the same time, it also has good spatial reusability, can expand network coverage in a large area, is also a good supplement to radio frequency technology, and can meet the requirements of new multimedia communications. At the same time, the visible light communication system of this embodiment has high confidentiality, as long as the light-shielding curtain is drawn, information will not leak to places other than light, which improves the security of communication.

The above examples only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. A bulb lamp with visible light communication function, characterized in that, comprising: case; a lamp cap fixedly connected to one end of the housing; The radiator is located in the housing and is close to the lamp cap, the radiator is fixedly connected with the housing; the radiator includes a body and cooling fins arranged on the body, and the inside of the body forming an accommodating cavity, the heat dissipation fins are located outside the body; a power supply, located in the accommodating cavity, and the power supply is fixedly connected to the lamp holder; a visible light communication module located in the accommodating cavity, and the visible light communication module is combined with the power supply; and The light source module is located in the housing, the light source module is fixedly connected to the heat sink; the light source module is electrically connected to the light source module, and the light source module is electrically connected to the visible light communication module connect. 2. The bulb lamp with visible light communication function according to claim 1, wherein the light source module is an LED light source module. 3. The bulb lamp with visible light communication function according to claim 1, further comprising a heat adapter, the heat adapter is in the shape of a polyhedron, and the light source module passes through the heat adapter The radiator is connected to the radiator; The light source module includes a substrate and LED lamp beads, the number of the substrates is multiple, and they are respectively arranged on multiple surfaces of the thermal adapter, and at least one of the LED lamp beads is arranged on each of the substrates. 4. The bulb lamp with visible light communication function according to claim 3, wherein the substrate is a metal-based printed circuit board. 5 . The bulb lamp with visible light communication function according to claim 3 , wherein one side of the thermal adapter abuts against the end surface of the main body. 6 . 6. The bulb lamp with visible light communication function according to claim 1, characterized in that, the body is cylindrical, the number of the heat dissipation fins is multiple, and the plurality of heat dissipation fins are all parallel to The axial direction of the body, and a plurality of the cooling fins are evenly arranged on the body. 7. The bulb lamp with visible light communication function according to claim 1, wherein the housing comprises a first housing and a second housing, the first housing is hemispherical; the second housing is hemispherical; One end of the second shell is connected to the edge of the first shell, and the other end of the second shell is connected to the lamp head, and the second shell is gradually widened close to the first shell. 8 . The bulb lamp with visible light communication function according to claim 7 , wherein the first casing is transparent, and the light source module is located in the first casing. 9. The bulb lamp with visible light communication function according to claim 7, wherein at least part of the heat sink is located in the second housing. 10 . The bulb lamp with visible light communication function according to claim 9 , wherein a plurality of ventilation holes are opened on the second housing. 11 .