CN111431600B - Visible light communication terminal shell and visible light communication terminal - Google Patents
Visible light communication terminal shell and visible light communication terminal Download PDFInfo
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- CN111431600B CN111431600B CN202010358842.XA CN202010358842A CN111431600B CN 111431600 B CN111431600 B CN 111431600B CN 202010358842 A CN202010358842 A CN 202010358842A CN 111431600 B CN111431600 B CN 111431600B
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- shell
- visible light
- communication terminal
- waterproof
- light communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
Abstract
The invention discloses a visible light communication terminal shell and a visible light communication terminal, and belongs to the technical field of communication. The visible light communication terminal shell comprises a sealing shell, wherein the sealing shell is provided with: a light hole for visible light to pass through; and the light window is made of a light-transmitting material, covers the light-transmitting hole and is sealed with the light-transmitting hole. The visible light communication terminal shell ensures the waterproof performance of the optical communication terminal shell under the condition of ensuring the visible light to pass through, provides good waterproof protection for the inside of the sealed shell, and can normally work for a long time in a humid and watery environment.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a visible light communication terminal shell and a visible light communication terminal.
Background
The visible light communication terminal is a communication terminal based on LED illumination and is used for a mobile two-way communication tool. The visible light communication terminal comprises the following implementation modes: the emitting end is used for implanting a chip module in the LED lamp to drive the LED to emit a lighting signal which is difficult to capture by naked eyes and flickers in light and shade, if the LED is turned off, the lighting signal represents '0' and the LED lamp is bright, the lighting signal represents '1', so that the transmission of digital signals is realized; and the receiving end receives the optical carrier information through the photoelectric sensor and demodulates the optical carrier information to obtain the contained information.
Visible light communication and traditional radio communication all utilize the electromagnetic wave to realize the communication, and visible light communication compares with radio communication, and is not restricted by the frequency of electromagnetic wave, and no electromagnetic radiation can not be intercepted by electromagnetic wave, and the security is good, therefore, wide application is in occasions that electromagnetic wave is restricted such as aircraft, hospital and military installation.
The working environment of the visible light communication terminal is usually very severe, for example, some military facilities are arranged in underground tunnels due to concealment, the military facilities are wet throughout the year, most facilities are provided with fire-fighting automatic spraying systems, and the visible light communication terminal is often damaged by water or moisture in the severe environment. Therefore, there is a great need for improvement of visible light communication terminals.
Disclosure of Invention
In order to solve the defects in the prior art, a first aspect of an embodiment of the present invention provides a visible light communication terminal housing, including a sealed housing, where the sealed housing is provided with:
a light hole for visible light to pass through;
and the light window is made of a light-transmitting material, covers the light-transmitting hole and is sealed with the light-transmitting hole.
Optionally, a groove for installing the optical window is further disposed on the sealing housing, and the optical window is embedded in the groove, so that the surface of the optical window is flush with the surface of the sealing housing.
Optionally, the bottom surface of the groove is polished to make the bottom surface of the groove have a preset roughness, the optical window is bonded with the bottom surface of the groove by filling waterproof back glue, and the waterproof back glue fills the optical window and the side surface of the groove under the extrusion force of the optical window and the groove.
Optionally, a metal sheet and an opening corresponding to the metal sheet are arranged on the surface of the sealed shell, the metal sheet is fastened on the shell through a first screw matched with the opening, and a mounting column in threaded fit with the first screw is arranged in the shell;
the mounting post is externally sleeved with a waterproof ring, and the waterproof ring has deformability so as to deform to seal the opening when being subjected to the pressing force of the shell.
Optionally, the sealing shell includes a front shell and a rear shell, the front shell is in butt joint with the rear shell and is fastened through a second screw, a sealing ring is arranged between the front shell and the rear shell, the sealing ring is arranged at a position corresponding to the screw and is provided with an evacuation portion, and the evacuation portion extends towards the inside of the shell, so that the second screw is located on the outer side of the sealing ring. Optionally, the casing includes preceding shell, backshell, preceding shell with the backshell butt joint to fasten through the second screw, in order to form the casing, preceding shell with be provided with the sealing washer between the backshell, the sealing washer is in corresponding the position department of screw is provided with and keeps away the vacancy portion, keep away the vacancy portion to the inside extension of casing, so that the second screw is located the outside of sealing washer.
In a second aspect, an embodiment of the present invention further provides a visible light communication terminal, including the visible light communication terminal housing as described above.
Optionally, be provided with the speaker in the sealed housing, the inboard of sealed housing is provided with and is used for the installation the first mounting groove of speaker, be provided with first step in the first mounting groove, the speaker embedding in the first mounting groove, and with first step counterbalance holds, the speaker with bond and seal through waterproof gum between the first step, be provided with on the surface of sealed housing a plurality of with the play sound hole of first mounting groove intercommunication, the bottom of first mounting groove is pasted and is had first waterproof ventilated membrane, so that first waterproof ventilated membrane with form first sound chamber between the speaker.
Optionally, still be provided with the microphone in the sealed casing, the inboard of sealed preceding shell is provided with and is used for the installation the second mounting groove of microphone, be provided with the second step in the second mounting groove, the microphone embedding in the second mounting groove, and with the second step counterbalance holds, the microphone with bond and seal through waterproof gum between the second step, the surface of sealed casing be provided with a plurality of with the sound inlet of second mounting groove intercommunication, the bottom of second mounting groove is pasted and is had the waterproof ventilated membrane of second, so that the waterproof ventilated membrane of second with form the second sound chamber between the microphone.
Optionally, a PTT button and a volume button are further arranged on the side face of the sealing shell, a PTT button mounting groove for mounting the PTT button and a volume button mounting groove for mounting the volume button are arranged on the sealing shell, the PTT button and the volume button are embedded in the vacancy avoiding portion, and waterproof sealant is filled between the PTT button and the volume button and the vacancy avoiding portion to seal gaps among the PTT button, the volume button and the vacancy avoiding portion.
Optionally, the sealing shell is provided with an earphone hole and a waterproof plug, the waterproof plug is deformable, and the waterproof plug is embedded in the earphone hole in a compressed state.
The invention has the beneficial effects that:
the invention provides a visible light communication terminal shell, which comprises a sealed shell, wherein the sealed shell is provided with: a light hole for visible light to pass through; and the light window is made of a light-transmitting material, covers the light-transmitting hole and is sealed with the light-transmitting hole. The visible light communication terminal covers the light hole through the light-transmitting light window and seals the light hole and the light window, so that the waterproof performance of the optical communication terminal shell is ensured under the condition of ensuring the visible light to pass through, good waterproof protection is provided for the inside of the sealed shell, and the visible light communication terminal can normally work for a long time in a humid and watery environment.
Drawings
The advantages of the above and/or additional aspects of the present invention will become apparent and readily appreciated from the following description of the embodiments taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic diagram of a split structure of a visible light communication terminal according to an embodiment of the present invention;
fig. 2 is a schematic front view of a front shell and a rear shell of a visible light communication terminal according to an embodiment of the present invention;
fig. 3 is a rear view of a visible light communication terminal according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of section A-A of FIG. 3;
FIG. 5 is a partial enlarged structural view at B in FIG. 4;
FIG. 6 is a schematic cross-sectional view at the front shell of an embodiment of the present invention;
fig. 7 is a left side view of a visible light communication terminal of an embodiment of the present invention;
FIG. 8 is an enlarged partial schematic view of FIG. 7 at C;
fig. 9 is a right side view of a visible light communication terminal according to an embodiment of the present invention.
Wherein the correspondence between the reference numbers and the names of the components in fig. 1 to 9 is:
1. sealing the housing; 10. a front housing; 11. a rear housing; 100. a light-transmitting hole; 101. an optical window; 102. a groove; 103. opening a hole; 104. a sound outlet hole; 105. a first mounting groove; 106. a first step; 107. a first waterproof breathable film; 108. a first sound cavity; 109. a sound inlet hole; 110. a second mounting groove; 111. a second step; 112. a second waterproof breathable film; 113. a second sound cavity; 114. a second screw; 115. a seal ring; 116. an evacuation section; 2. a PCB board; 200. mounting a column; 201. a waterproof ring; 3. an optical signal transceiver board; 30. an infrared emitter; 31. a photodiode; 4. a battery; 5. a speaker; 6. a microphone; 7. a PTT key; 8. a volume key; 80. a volume key mounting groove; 9. and (4) a waterproof plug.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present invention provides a visible light communication terminal housing, including a sealed housing 1, where the sealed housing 1 is provided with a light hole 100, the light hole 100 is used for visible light to pass through to provide a communication channel for visible light communication, the sealed housing 1 is further provided with a light window 101, the light window 101 is made of a light-transmitting material, and the light window 101 covers the light hole 100 and is in sealed connection with the light hole 100. According to the visible light communication terminal shell, the light-transmitting window covers the light-transmitting hole, and the visible light communication terminal shell and the light-transmitting hole are sealed, so that the waterproof performance of the optical communication terminal shell is guaranteed under the condition that visible light passes through the visible light communication terminal shell, good waterproof protection is provided for the interior of the sealed shell, and the visible light communication terminal shell can normally work for a long time in a humid and watery environment.
The sealing housing 1 is further provided with a groove 102 for installing the optical window 101, and the optical window 101 is embedded in the groove 102, so that the surface of the optical window 101 is flush with the surface of the sealing housing 1, and the surface of the sealing housing 1 has good integrity.
The bottom surface of the groove 102 may be selected to be polished so that the bottom surface of the groove 102 has a predetermined roughness, a waterproof adhesive is filled between the optical window 101 and the groove 102, the groove 102 and the optical window 101 are bonded by the waterproof adhesive to fasten the two, and when the optical window 101 and the groove 102 are fastened, a pressure is applied to the optical window 101 toward the groove 102 so that the waterproof adhesive is pressed to further fill the side surfaces of the groove 102 and the optical window 101, thereby further sealing a gap between the optical window 101 and the groove 102.
The visible light communication terminal is an electronic device, and an electronic structure inside the visible light communication terminal often needs to be electrically connected with a device on a surface of the visible light communication terminal, for example, in an embodiment of the present invention, in order to electrically connect the device on the inner surface and the device on the outer surface, a metal sheet (not shown in the figure) is disposed on a surface of the sealed housing 1. For this purpose, referring to fig. 2 to 4, the metal sheet is fastened to the sealing housing 1 by screws, and optionally, the metal sheet is pressed against the sealing housing 1 by a first screw (not shown) matching with the opening 103, and at this time, in order to seal the gap at the opening 103, a mounting post 200 is disposed in the sealing housing 1, the mounting post 200 is a hollow cylinder structure, one end of the mounting post is fixedly mounted on the PCB board 2, the other end of the mounting post is disposed toward the opening 103, the mounting post 200 and the opening 102 have the same axis, the first screw penetrates through the opening 103 and extends into the mounting post 200, the first screw may be selected to be connected with the mounting post 200 by screws, a waterproof ring 201 is sleeved on the mounting post 200, the waterproof ring 201 has deformability, and when the metal sheet is pressed by the first screw, the two ends of the waterproof ring 201 are respectively abutted against the inner walls of the corresponding holes 103 of the PCB 2 and the sealing shell 1, and the waterproof ring 201 deforms under the mutual pressure of the PCB 2 and the sealing shell 1 and is filled in the gap of the holes 103, so that the purpose of sealing the holes 103 is achieved, and the waterproof performance of the visible light communication terminal is ensured. In this embodiment, the waterproof ring 201 may be made of a material with good deformability and waterproof ability, such as silica gel.
Alternatively, referring to fig. 1, a metal sheet is used to electrically connect the internal electronic components of the visible light communication terminal and the external battery. In one embodiment, the visible light communication terminal of the embodiment of the present invention further includes a battery 4, and the battery 4 is detachably mounted on the sealed housing 1, for example, on the back surface of the sealed housing 1, and is electrically connected to the metal sheet. The battery 4 may be selected to be manufactured by an ultrasonic welding process so that the entire battery 4 can independently satisfy the waterproof requirement.
In one embodiment of the present invention, as shown in fig. 1 and 9, the hermetic case 1 is formed by butting a front case 10 and a rear case 11 with each other, and a cavity is formed between the front case 10 and the rear case 11 for mounting components inside the visible light communication terminal, such as the PCB board 2, the optical signal transceiving board 3, the speaker 5, the microphone 6, and circuits connecting the above components. The front case 10 and the rear case 11 are fastened together by a plurality of second screws 114 at the edges of the front case 10 and the rear case 11, and in an alternative embodiment, the plurality of second screws 114 include four second screws 114 at four corners of the front case 10 and the rear case 11 and second screws 114 at the middle portions of the left and right sides of the front case 10 and the rear case 11.
After the front shell 10 and the rear shell 11 are connected by the second screw 114, although the front shell 10 and the rear shell 11 have sufficient fastening force, a gap may still exist between the front shell 10 and the rear shell 11, which may cause the waterproof performance of the visible light communication terminal not to reach the standard, for this reason, a sealing ring 115 is further disposed between the front shell 10 and the rear shell 11, the sealing ring 115 surrounds a circle along the edges of the front shell 10 and the rear shell 11, and under the fastening force after the front shell 10 and the rear shell 11 are connected, the sealing ring 115 is deformed by the action of the pressing force and fills the gap between the front shell 10 and the rear shell 11, so as to improve the waterproof performance of the visible light communication terminal.
In the embodiment of the present invention, the waterproof performance between the front housing 10 and the rear housing 11 is improved by the sealing ring 115, however, the front housing 10 and the rear housing 11 need to be fastened by the second screw 114, and before the second screw 114 is driven, corresponding screw holes need to be formed in advance on the front housing 10 and the rear housing 11, due to nonreactive factors such as design error, a gap is very easily formed between the second screw 114 and the screw hole, and although the gap is small, water may penetrate into the visible light communication terminal from the gap, to solve the problem, in an alternative embodiment, the sealing ring 115 has a void-avoiding portion 116 at a position corresponding to the second screw 114, and the void-avoiding portion 116 is formed by extending the sealing ring 115 toward the inside of the sealing housing 1, so that the second screw 114 is located outside the sealing ring 115, thereby making the waterproof between the front housing 10 and the rear housing 11 more reliable, water is prevented from entering the inside of the hermetic container 1 from a gap at the mating of the front case 10 and the rear case 11. In this embodiment, it is optional that the components of the sealed housing 1 are disposed in a space defined by the sealing ring 115, the front housing 10, and the rear housing 11.
The embodiment of the invention also provides a visible light communication terminal which comprises the visible light communication terminal shell, and the visible light communication terminal can keep good waterproof performance through the waterproof scheme of the visible light communication terminal shell, so that the visible light communication terminal can normally work in a humid and watery environment.
Referring to fig. 1, a visible light communication terminal according to an embodiment of the present invention includes a sealed housing 1, a PCB 2 and a plurality of optical signal transceiver boards 3 mounted on the PCB 2 are disposed in the sealed housing 1, an infrared emitter 30 for emitting optical carrier information and a photodiode 31 for receiving the optical carrier information are disposed on the optical signal transceiver boards 3, the plurality of optical signal transceiver boards 3 are respectively disposed facing a plurality of surfaces of the sealed housing 1 to respectively emit and receive the optical carrier information facing the plurality of surfaces of the sealed housing 1, light holes 100 (see fig. 7) corresponding to the infrared emitter 30 and the photodiode 31 are disposed on a surface of the sealed housing 1 corresponding to each optical signal transceiver board 3, the light holes 100 are sealed and sealed by an optical window 101, a groove 102 for mounting the optical window 101 is further disposed on the sealed housing, the bottom surfaces of the optical window 101 and the groove 102 are bonded by a waterproof back adhesive, to seal the gap between the two.
The visible light communication terminal of the embodiment of the invention realizes multi-direction communication by respectively receiving and transmitting light-carrying information in different directions through the plurality of light signal transceiving plates 3, in order to enable the light-carrying information to be transmitted to the outside of the sealed shell 1 from the light signal transceiving plates 3 or the light-carrying information outside the sealed shell 1 to be received by the light signal transceiving plates 3, the sealed shell 1 is provided with the light hole 100, the light hole 100 is arranged to provide a channel for the light-carrying information to pass through, but also results in a gap between the sealed housing 1 and the outside, and in order to close the gap, and to maintain sufficient sealing of the sealed housing 1, a groove 102 is arranged on the sealed shell 1, the groove 102 covers the light transmission hole 100, then the light window 101 is arranged in the groove 102, the bottom surface of the light window 101 and the bottom surface of the groove 102 are bonded through waterproof back glue, thereby sealing the gap between the light window 101 and the groove 102 to ensure the waterproof performance of the visible light communication terminal.
The optical window 101 has a light transmitting property so that information carrying light can pass through the optical window 101, be received by the photodiode 31 or be transmitted to the outside through the infrared transmitter 30. The optical window 101 may be made of transparent glass or plastic, but is not limited to the above materials.
The bottom surface of the groove 102 may be smooth to improve the firmness and the fitting degree of the optical window 101 and the groove 102 after bonding, thereby improving the sealing effect. Alternatively, the bottom surface of the groove 102 is made as smooth as possible by polishing the bottom surface of the groove 102 to reduce the roughness of the groove 102.
In one embodiment, the optical signal transceiver boards 3 include four optical signal transceiver boards, which are respectively installed on the front side, the left side, the right side, and the upper side of the PCB board 2, that is, the front side, the left side, the right side, and the upper side of the sealed housing 1 are respectively provided with the light holes 100 corresponding to the four optical signal transceiver boards 3 one to one. Of course, the number and the position of the optical transceiver boards 3 can be increased, decreased or changed in other different embodiments, and it should be noted that these embodiments are all within the principle of the present invention and should fall into the protection scope of the present invention.
Referring to fig. 1 and 5, a speaker 5 is further disposed in the hermetic shell 1, a sound outlet hole 104 corresponding to the speaker 5 is disposed on a surface of the hermetic shell 1, the speaker 5 converts an electronic signal into a sound signal, and then the sound signal is transmitted to the outside of the hermetic shell 1 through the sound outlet hole 104, so that a user or a sound receiving device outside the visible light communication terminal receives the sound signal, in order to improve the waterproof performance of the visible light communication terminal, a first mounting groove 105 is disposed on an inner wall of the hermetic shell 1 corresponding to the sound outlet hole 104, and the speaker 5 is mounted through the first mounting groove 105. The speaker 5 can be selected to be the shape that matches with first mounting groove 105, for example, both of them are selected to be circular, set up the first step 106 that the round stretches out to its inside at the inner wall of first mounting groove 105, the speaker 5 is embedded into the inside of first mounting groove 105, and support with first step 106 and hold, bond through waterproof gum between speaker 5 and the first step 106, in order to seal the gap between speaker 5 and the first mounting groove 105, and then form confined space between sound outlet 104, first mounting groove 105 and speaker 5, in order to ensure the waterproof nature of visible light communication terminal. The surface of the first step 106 and/or the surface of the speaker 5 may be smooth, for example, the surface of the first step 106 and/or the surface of the speaker 5 may be polished to reduce roughness and improve smoothness, thereby improving the firmness and the fit of the adhesive.
Optionally, a first waterproof air-permeable film 107 is adhered to the bottom surface of the first mounting groove 105. The waterproof breathable film is also called breathing paper, is a novel high-molecular waterproof material, and the working principle of the waterproof breathable film is as follows: under the state of steam, the water particle is very tiny, according to capillary motion's principle, can permeate the opposite side of capillary smoothly to take place the ventilative phenomenon, after the steam condensation becomes the drop of water, the granule grow, because the effect of drop of water surface tension, the hydrone just can not break away from the drop of water smoothly and permeate the opposite side, has just also prevented the infiltration of water and has taken place, makes the ventilative membrane have waterproof function. In this embodiment, the first waterproof air-permeable membrane 107 is adhered to the bottom surface of the first mounting groove 105, so as to block the gap generated by the opening of the sound hole 104 of the sealed housing 1, thereby ensuring the waterproof performance of the visible light communication terminal, and after the first waterproof air-permeable membrane 107 is tightly adhered to the bottom surface of the first mounting groove 105, the first sound cavity 108 is further formed between the first waterproof air-permeable membrane and the speaker 5, thereby improving the sound quality.
Referring to fig. 1 and 5, a microphone 6 is further disposed in the sealed housing 1, a sound inlet hole 109 corresponding to the microphone 6 is formed on the surface of the sealed housing 1, and the microphone 6 is used for receiving an external sound signal and converting the sound signal into an electronic signal. In order to improve the waterproof performance of the visible light communication terminal, the hermetic case 1 is provided with a second mounting groove 110 at a position corresponding to the sound inlet hole 109, and the microphone 6 is mounted through the second mounting groove 110. The shape of the microphone 6 and the shape of the second mounting groove 110 may be selected to match each other, for example, both the shapes are selected to be circular, a second step 111 protruding inward along the radial direction is disposed on the inner wall of the second mounting groove 110, the microphone 6 extends into the second mounting groove 110 and abuts against the second step 111, and the microphone 6 and the second step 111 are bonded by a waterproof back adhesive to fill a gap between the two by the waterproof back adhesive, thereby ensuring the waterproof property of the visible light communication terminal. Optionally, the surface of the second step and/or the surface of the microphone 6 are/is selected to be smooth, so that the surface of the second step 111 and the surface of the microphone 6 can be polished to be smooth due to the firmness and the fitting degree of the adhesion of the second step and the surface of the microphone 6 to the waterproof back adhesive.
A second waterproof and breathable film 112 is further adhered to the bottom surface of the second mounting groove 110. The second waterproof breathable film 112 has waterproof and breathable functions, and ensures sound to pass through while being waterproof, the second waterproof breathable film 112 and the microphone 6 form a double waterproof structure, so that the waterproof performance of the visible light communication terminal is ensured, in addition, a second sound cavity 113 is formed between the second waterproof breathable film 112 and the microphone 6, and the sound collection quality can be improved through the structure of the second sound cavity 113.
Referring to fig. 1 and 6, a PTT button 7 is further disposed on the surface of the sealing housing 1, in order to mount the PTT button 7, a PTT button mounting groove for embedding the PTT button 7 is disposed on the sealing housing 1, the PTT button 7 is embedded in the PTT button mounting groove, the surface of the PTT button 7 is substantially flush with the surface of the sealing housing 1, so as to ensure the overall smoothness of the visible light communication terminal, and a waterproof sealant is filled between the PTT button 7 and the PTT button mounting groove, so as to seal a gap between the PTT button 7 and the PTT button mounting groove, so as to ensure the waterproof performance of the visible light communication terminal.
Alternatively, the PTT button 7 includes a silicone PTT button 70 and a hard glue PTT button 71. Wherein, ebonite PTT button 71 imbeds in the PTT button mounting groove to with through waterproof sealed gluing bonding between the PTT button mounting groove, in order to fill the gap between the two through waterproof sealed glue, reach waterproof sealed effect, silica gel PTT button 70 sets up in ebonite PTT button 71's surface, can select both to fix through structure such as buckle, glue, PTT (push-to Ta l k) is wireless telephone's mode of talkbacking, as long as press a button and can talk. In this embodiment, the silica gel PTT button 71 is configured to receive a pressing instruction of a user, and is deformed under the action of pressure to electrically connect to an internal component of the visible light communication terminal, so as to achieve the purpose of a push-to-talk call; the hard glue PTT button 70 serves as an intermediate connector between the silica gel PTT button 71 and internal devices of the visible light communication terminal, and at the same time, the hard glue PTT button 71 also serves as a sealing member of the visible light communication terminal to ensure the waterproof property of the visible light communication terminal. The hard glue PTT key can be selected from plastic materials.
The surface of the sealed housing 1 is further provided with a volume key 8, as shown in fig. 1 and fig. 8, and similarly, in order to install the volume key 8, a volume key installation groove 80 for installing the volume key 8 is provided on the sealed housing 1, the volume key 8 is embedded into the volume key installation groove 80, and the surface of the volume key 8 is substantially flush with the surface of the sealed housing 1, so as to ensure the smoothness of the surface of the visible light communication terminal. The volume keys 8 are adhered to the volume key mounting grooves 80 of the sealing shell 1 through waterproof sealant, so that gaps between the volume keys 8 and the sealing shell 1 are filled through the waterproof sealant, and the purpose of sealing and waterproofing is achieved.
The surface of the sealing shell 1 is also provided with an earphone hole for connecting an earphone, the earphone hole position and the through hole structure communicated with the inside of the sealing shell 1 are connected with an electronic device inside the sealing shell 1 after the earphone is inserted into the earphone hole, so that the electric connection is realized. When the visible light communication terminal is connected with the earphone, the visible light communication terminal is usually used by a user on site, at the moment, the earphone is inserted into the earphone hole, the earphone is matched with the earphone hole to form a waterproof structure, optionally, in order to ensure the waterproof performance at the moment, a circle of flexible and hollow sealing ring can be selectively arranged in the earphone hole, the diameter of a middle opening of the sealing ring is slightly smaller than the diameter of an insertion end of the earphone, and a strict sealing structure is formed between the earphone and the sealing ring when the earphone is inserted into the earphone hole, so that the waterproof performance of the visible light communication terminal is improved. In an alternative embodiment, the sealing housing 1 is further provided with a waterproof plug 9 for plugging the earphone hole, and when the earphone is not connected, the waterproof plug 9 is plugged into the earphone hole to plug and seal the earphone hole, so as to ensure the waterproof performance of the visible light communication terminal. The waterproof plug 9 can be selected to be flexible waterproof materials such as silica gel, rubber, and the size of the waterproof plug 9 is slightly larger than the size of the earphone hole, so that when the waterproof plug is plugged into the earphone hole, the waterproof plug is extruded to deform, gaps between the earphone hole and the waterproof plug 9 are filled, and the waterproof performance of the visible light communication terminal is improved. In an optional embodiment, one end of the waterproof plug 9 is fixedly installed on the sealing housing 1, the other end of the waterproof plug 9 is freely arranged, and when the waterproof plug 9 is taken out from the earphone hole, the waterproof plug 9 is fixed through the sealing housing 1, so that the waterproof plug 9 is prevented from being lost due to idling.
In an alternative embodiment of the present invention, the sound outlet hole 104 and the sound inlet hole 109 are disposed on the front surface of the front housing 10, and correspondingly, the first mounting groove 105 and the second mounting groove 110 are disposed on the inner wall of the front housing 10; the battery 4 is disposed on the back surface of the rear case 11; the PTT button 7, the volume button 8, and the earphone hole 9 are provided on the side of the hermetic case 1, and one end of the waterproof plug 90 corresponding to the earphone hole 9 is fixed on the side of the hermetic case 1. In an alternative embodiment, the front shell 10 is a plate-like structure, the rear shell 11 is a cavity structure, the front shell 10 and the rear shell 11 are butted with each other, and the sidewall of the rear shell 11 is formed with a space for installing the PTT button 7, the volume button 8, and the earphone hole 9.
In the visible light communication terminal of the embodiment of the invention, the plurality of optical signal transceiving plates 3 facing different directions can realize transceiving of optical signals in a plurality of directions, and in addition, the visible light communication terminal of the embodiment of the invention is provided with a strict waterproof structure, so that the visible light communication terminal of the embodiment of the invention has good waterproof performance and can normally work for a long time in a humid and watery environment. It should be noted herein that the visible light communication terminal shown in the drawings and described in the present specification is only one example of many visible light communication terminals that can employ the principles of the present invention. It should be clearly understood that the principles of the present invention are in no way limited to any details of the visible light communication terminal or any components of the visible light communication terminal shown in the drawings or described in the present specification.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A visible light communication terminal shell is characterized by comprising a sealed shell, wherein the sealed shell is provided with:
a light hole for visible light to pass through;
the light window is made of light-transmitting materials, covers the light-transmitting hole and is sealed with the light-transmitting hole;
an infrared emitter for emitting light carrying information;
a photodiode for receiving optically-carried information;
the sealing shell is a rectangular shell with a hollow interior, the positions, close to the top, on the left side, the right side and the front side of the sealing shell and the top side of the sealing shell are respectively provided with the light holes, and each light hole is provided with the light window;
an infrared emitter and a photodiode are arranged at each optical window inside the sealed shell;
the sealing shell is also provided with a groove for mounting the optical window, and the optical window is embedded into the groove so as to enable the surface of the optical window to be flush with the surface of the sealing shell;
the bottom surface of the groove is polished so that the bottom surface of the groove has preset roughness, the optical window is adhered to the bottom surface of the groove through filling waterproof gum, and the waterproof gum is filled in the optical window and the side surface of the groove under the extrusion force of the optical window and the groove.
2. The visible light communication terminal shell according to claim 1, wherein a surface of the hermetic shell is provided with a metal sheet and an opening corresponding to the metal sheet, the metal sheet is fastened to the shell by a first screw matched with the opening, and a mounting column in threaded fit with the first screw is arranged in the shell;
the mounting post is externally sleeved with a waterproof ring, and the waterproof ring has deformability so as to deform to seal the opening when being subjected to the pressing force of the shell.
3. The visible light communication terminal housing according to any one of claims 1 to 2, wherein the sealing housing includes a front housing and a rear housing, the front housing is abutted against the rear housing and fastened by a second screw, a sealing ring is disposed between the front housing and the rear housing, and the sealing ring is provided with a space-avoiding portion at a position corresponding to the screw, the space-avoiding portion extends toward an inside of the housing so that the second screw is located at an outside of the sealing ring.
4. A visible light communication terminal, characterized by comprising a visible light communication terminal housing according to any of claims 1 to 3.
5. The visible light communication terminal according to claim 4, wherein a speaker is disposed in the hermetic shell, a first mounting groove for mounting the speaker is disposed on an inner side of the hermetic shell, a first step is disposed in the first mounting groove, the speaker is embedded in the first mounting groove and abuts against the first step, the speaker is bonded and sealed with the first step through a waterproof adhesive, a plurality of sound holes communicated with the first mounting groove are disposed on an outer surface of the hermetic shell, and a first waterproof breathable film is bonded to a bottom of the first mounting groove, so that a first sound cavity is formed between the first waterproof breathable film and the speaker.
6. The visible light communication terminal according to claim 4, wherein a microphone is further disposed in the sealing housing, a second mounting groove for mounting the microphone is disposed on an inner side of the sealing front housing, a second step is disposed in the second mounting groove, the microphone is embedded in the second mounting groove and abuts against the second step, the microphone and the second step are bonded and sealed by a waterproof back adhesive, a plurality of sound holes communicated with the second mounting groove are disposed on an outer surface of the sealing housing, and a second waterproof breathable film is bonded to a bottom of the second mounting groove, so that a second sound cavity is formed between the second waterproof breathable film and the microphone.
7. The visible light communication terminal according to claim 4, wherein a PTT button and a volume button are further disposed on a side surface of the sealing housing, a PTT button mounting groove for mounting the PTT button and a volume button mounting groove for mounting the volume button are disposed on the sealing housing, the PTT button and the volume button are embedded in a space avoiding portion, and a waterproof sealant is filled between the PTT button, the volume button and the space avoiding portion to seal gaps between the PTT button and the volume button and the space avoiding portion.
8. The visible light communication terminal according to claim 4, wherein the hermetic case is provided with an earphone hole and a waterproof plug having deformability, the waterproof plug being inserted into the earphone hole in a compressed state.
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| CN202010358842.XA CN111431600B (en) | 2020-04-29 | 2020-04-29 | Visible light communication terminal shell and visible light communication terminal |
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| CN202010358842.XA CN111431600B (en) | 2020-04-29 | 2020-04-29 | Visible light communication terminal shell and visible light communication terminal |
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| CN111431600B true CN111431600B (en) | 2022-03-01 |
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| CN113194649B (en) * | 2021-05-11 | 2023-08-11 | 深圳市创智成科技股份有限公司 | Shell, reinforced handheld terminal and preparation method of shell |
| CN114040040B (en) * | 2021-12-17 | 2023-07-14 | 中国人民解放军96911部队 | External visible light communication expansion module of handheld intelligent mobile terminal |
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