CN211480284U - Antenna structure of head-mounted device and head-mounted device - Google Patents
Antenna structure of head-mounted device and head-mounted device Download PDFInfo
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- CN211480284U CN211480284U CN202020030101.4U CN202020030101U CN211480284U CN 211480284 U CN211480284 U CN 211480284U CN 202020030101 U CN202020030101 U CN 202020030101U CN 211480284 U CN211480284 U CN 211480284U
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Abstract
The utility model discloses a head-mounted apparatus's antenna structure and a head-mounted apparatus. The antenna structure includes: the device comprises a baseband processing chip, a WiGig baseband chip and two radio frequency antenna modules, wherein the WiGig baseband chip is respectively connected with the baseband processing chip and the two radio frequency antenna modules, and the two radio frequency antenna modules are arranged on two sides of the head-mounted equipment in parallel. This application adopts the WiGig wireless technology, builds the WiGig communication circuit based on WiGig baseband chip, has that the speed of biography is high, transmission delay is low advantage, and two radio frequency antenna modules are connected simultaneously to the WiGig baseband chip, and in addition, two radio frequency antenna modules set up in the both sides of head-mounted apparatus parallelly, constitute parallel dual antenna structure, and communication rate is high and direction strong adaptability.
Description
Technical Field
The utility model relates to a head-mounted apparatus's antenna structure and a head-mounted apparatus.
Background
In the prior art, virtual reality equipment and augmented reality equipment generally exist in the main form of head-mounted equipment, including external head-mounted equipment, mobile end head-mounted equipment and integral head-mounted equipment.
Wherein, external headphone device possesses independent display screen, and the product structure is complicated, and technical content is higher, and user experience is better, but need use the data line to connect external equipment and just can realize using, receives the constraint of data line when the user uses, unable free activity. The mobile end head-mounted equipment is simple in structure and low in price, can be watched by means of a mobile phone, such as VR glasses and the like, and has a common experience effect. The integrated head-mounted equipment can feel visual impact brought by 3D stereoscopic impression in a virtual world without any input and output equipment, the existing integrated head-mounted equipment is limited by antenna transmission rate and the like, and the connection mode is monotonous.
Therefore, in order to solve the problems of wire binding and resource transmission of the head-mounted device, higher requirements are put on the antenna structure.
SUMMERY OF THE UTILITY MODEL
In view of the problem that prior art head-mounted device is influenced by the comfortable and antenna transmission rate of wire rod, provided the utility model discloses a head-mounted device's antenna structure and a head-mounted device to overcome above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to an aspect of the present invention, there is provided an antenna structure of a head-mounted device, the antenna structure including: the device comprises a baseband processing chip, a WiGig baseband chip and two radio frequency antenna modules, wherein the WiGig baseband chip is respectively connected with the baseband processing chip and the two radio frequency antenna modules, and the two radio frequency antenna modules are arranged on two sides of the head-mounted equipment in parallel.
Optionally, the head-mounted device includes the bandage, and the both ends of bandage are rotated and are connected in the both sides of head-mounted device, and two radio frequency antenna module set up respectively at the both ends of bandage, and the time keeps synchronous parallel all the time along with the bandage rotates.
Optionally, the antenna structure further includes a coaxial connector and a connecting line, and the WiGig baseband chip is connected to the radio frequency antenna module through the coaxial connector and the connecting line.
Optionally, the strap is provided with a fixing seat;
the radio frequency antenna module is arranged on the fixed seat and is connected with the connecting wire.
Optionally, a foam is further disposed at a connection position of the connection line and the radio frequency antenna module, and the foam is a conductive foam.
Optionally, the antenna structure further comprises: a heat sink and a thermally conductive silicone grease; the radiating fins are bonded with the fixing seat, and the heat-conducting silicone grease is contacted with the antenna shielding cover and the radiating fins of the radio frequency antenna module.
Optionally, a through hole is formed in the axis of the rotating shaft at the end of the binding band, and the connecting wire penetrates into the head-mounted device through the through hole.
Optionally, the antenna of the radio frequency antenna module is a dual polarized antenna.
Optionally, the baseband processing chip is SDM845, the WiGig baseband chip is LBKA0KT1QQ, and the rf antenna module is XRBC 03.
According to another aspect of the present invention, there is provided a head-mounted device comprising an antenna structure of the head-mounted device as defined in any one of the above.
To sum up, the beneficial effects of the utility model are that:
this application adopts WiGig (Wireless Gigabit ) Wireless technology, builds WiGig communication circuit based on WiGig baseband chip, has the advantage that speed of transfer is high, transmission delay is low, two radio frequency antenna modules are connected simultaneously to WiGig baseband chip, and in addition, two radio frequency antenna modules set up in the both sides of head-mounted apparatus parallelly, constitute parallel dual antenna structure, and communication rate is high and direction strong adaptability.
Drawings
Fig. 1 is a schematic circuit diagram of an antenna structure of a head-mounted device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an antenna structure of a head-mounted device according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of an antenna structure of a head-mounted device according to an embodiment of the present invention;
in the figure, 200, the antenna structure is arranged; 310. a heat sink; 320. carrying out gum application; 330. a fixed seat; 340. heat-conducting silicone grease; 350. conductive foam; 360. a radio frequency antenna module; 370. an upper shell; 380. a through hole; 390. and connecting the wires.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The technical conception of the utility model is that: this application adopts WiGig (Wireless Gigabit), Wireless Gigabit Wireless technology, builds WiGig antenna circuit based on WiGig baseband chip, has the advantage that the transmission rate is high, transmission delay is low, two radio frequency antenna modules are connected simultaneously to WiGig baseband chip, and in addition, two radio frequency antenna modules set up in the both sides of head-mounted apparatus parallelly, constitute parallel double antenna structure, and communication rate is high and direction strong adaptability.
Fig. 1 is a schematic circuit diagram of an embodiment of an antenna structure of the head-mounted device. As shown in fig. 1, the antenna structure includes: the device comprises a baseband processing chip, a WiGig baseband chip and two radio frequency antenna modules, wherein the WiGig baseband chip is respectively connected with the baseband processing chip and the two radio frequency antenna modules, and the two radio frequency antenna modules are arranged on two sides of the head-mounted equipment in parallel.
The WiGig wireless technology uses a 60GHz frequency band, the frequency of a signal of the 60GHz frequency band is high, the wavelength is short, compared with the traditional signal, although the interference is small, the penetration capability is poor, the transmission distance is short, and the signal is easily blocked by an object, so the position optimization of an antenna is particularly important. This application sets up two radio frequency antenna module, and two radio frequency antenna module sets up in the both sides of head-mounted apparatus parallelly, therefore has constituted the two antenna structure of WiGig, and the check that receives is kept off and is disturbed lessly, and data throughput is big, can reach higher transmission rate and less delay.
Fig. 2 shows a schematic diagram of the antenna structure of the present application at a position where the antenna structure is disposed on a head-mounted device, and fig. 3 shows an exploded schematic diagram of the antenna structure, as shown in fig. 2 and 3, the head-mounted device includes a strap, two ends of the strap are rotatably connected to two sides of the head-mounted device, and two rf antenna modules 360 are respectively disposed at two ends of the strap, that is, at an antenna structure disposition position 200 shown in a side bracket in fig. 2. When the user rotates the adjustment bandage from top to bottom according to the size of the head of the user, the two radio frequency antenna modules 360 are always kept in synchronous parallel along with the rotation of the bandage, so that the relative positions and directions of the two radio frequency antenna modules 360 on the left side and the right side are unchanged, the positions of the two radio frequency antenna modules 360 relative to the head of the user are basically unchanged, the antenna can be kept at the optimal position and is subjected to the minimum signal block, and the best data throughput result is achieved.
In this embodiment, the binding band may be made of pp (polypropylene) and tpe
A mixture of Thermoplastic Elastomer materials having a certain hardness to maintain the stability of the structure and shape.
In this embodiment, the antenna structure further includes a coaxial connector and a connection wire 390 (see fig. 3), and the WiGig baseband chip is connected to the rf antenna module 360 through the coaxial connector and the connection wire 390. Specifically, the baseband processing chip and the WiGig baseband chip are disposed on the motherboard of the head-mounted device, the two rf antenna modules 360 are externally disposed on two sides of the strap of the head-mounted device, and the WiGig baseband chip is connected to the two externally disposed rf antenna modules 360 through the coaxial connector and the connecting wire 390.
In this embodiment, as shown in fig. 3, a through hole 380 is provided at the axis of the rotation shaft at the end of the strap, and a connection wire 390 penetrates into the head-mounted device from the through hole 380, so that the rf antenna module 360 is connected to the circuit inside the head-mounted device.
In the present embodiment, as shown in fig. 3, the strap is provided with a fixing base 330. The rf antenna module 360 is mounted on the fixing base 330 and connected to the connecting wire 390. Specifically, the rf antenna module 360 may be fastened to the fixing base 330 by a bayonet manner for fixing.
In this embodiment, as shown in fig. 3, a foam is further disposed at a connection position of the connection line 390 and the rf antenna module 360, and the foam is a conductive foam 350. This conductive foam 350's setting can provide the pretightning force through the extrusion on the one hand, prevents that the link of connecting wire 390 from breaking away from with radio frequency antenna module 360, and on the other hand, this conductive foam 350 still has the effect of electromagnetic shield layer, can completely cut off electromagnetic interference, improves the communication signal quality of antenna.
In this embodiment, as shown in fig. 3, the antenna structure further includes: the radiating fin 310 and the heat conducting silicone grease 340, the radiating fin 310 can be made of aluminum alloy materials, the heat conductivity meets the requirement, and the density is small and the weight is light; the heat sink 310 is adhered to the fixing base 330 by the adhesive 320, and the heat conductive silicone grease 340 contacts with the antenna shield of the rf antenna module 360 and the heat sink 310, so as to transfer the heat of the antenna to the heat sink 310 to achieve the heat dissipation effect. Finally, the upper case 370 of the strap wraps the above structures within the strap, so that the radiating structure of the antenna is integral with the strap.
In this embodiment, the antenna of the rf antenna module is a dual-polarized antenna, which can reduce call loss and interference, and has higher communication quality.
In this embodiment, preferably, the baseband processing chip is SDM845, the WiGig baseband chip is LBKA0KT1QQ, and the rf antenna module is XRBC 03.
SDM845 has PCIE communication interface, can connect the communication through PCIC communication interface and baseband chip LBKA0KT1QQ that supports WiGig, and LBKA0KT1QQ has embedded all peripheral equipment of QCA6330 MAC/BB solution, has provided complete system module for WiGig and IEEE 802.11ad standard, and LBKA0KT1QQ supports antenna diversity, can connect up to two radio frequency module. This application embodiment connects two XRBC03 radio frequency antenna modules through LBKA0KT1QQ promptly, realizes WiGig's two antenna structure design.
In this embodiment, the XRBC03 is connected to the baseband chip by a coaxial connector (Murata MM5829-2700) and a connection cable (i.e., cable) that carries multiple input signals, such as power, control signals, and 802.11ad signals. XRBC03 supports 32 phase array antennas in three dimensions, and the array gain can be determined by specifying the phase and gain of each antenna in the array. Moreover, XRBC03 contains complex logic circuitry that supports high-pass OMNI overlay beamforming, eliminates interference, and sets optimal weights for each direction while maintaining constant power consumption. In addition, XRBC03 contains multiple calibration circuits to ensure designed output power and performance even with variable voltages, process variations, and temperature drift.
The application also discloses a head-mounted device, this head-mounted device include as above any one head-mounted device's antenna structure to, this head-mounted device avoids the wire rod connection problem, can realize wireless, high-speed, low delayed data transmission, provides abundant 3D resource for the user, promotes user experience.
In view of the above, it is only the specific embodiments of the present invention that other modifications and variations can be made by those skilled in the art based on the above-described embodiments in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present invention, and the scope of the present invention should be determined by the scope of the claims.
Claims (10)
1. An antenna structure of a head-mounted device, characterized in that the antenna structure comprises: the antenna comprises a baseband processing chip, a WiGig baseband chip and two radio frequency antenna modules, wherein the WiGig baseband chip is respectively connected with the baseband processing chip and the two radio frequency antenna modules, and the two radio frequency antenna modules are arranged on two sides of the head-mounted equipment in parallel.
2. The antenna structure of the head-mounted device according to claim 1, wherein the head-mounted device comprises a strap, two ends of the strap are rotatably connected to two sides of the head-mounted device, and the two radio frequency antenna modules are respectively arranged at two ends of the strap and always keep synchronous and parallel with each other when the strap rotates.
3. The antenna structure of claim 2, further comprising a coaxial connector and a connection line, wherein the WiGig baseband chip is connected to the rf antenna module through the coaxial connector and the connection line.
4. The antenna structure of a head-mounted device according to claim 3, characterized in that the strap is provided with a fixing seat;
the radio frequency antenna module is installed on the fixed seat and connected with the connecting line.
5. The antenna structure of the head-mounted device according to claim 4, wherein a foam is further disposed at a connection position of the connection line and the radio frequency antenna module, and the foam is a conductive foam.
6. The antenna structure of claim 5, further comprising: a heat sink and a thermally conductive silicone grease; the radiating fins are bonded with the fixing seat, and the heat-conducting silicone grease is in contact with the antenna shielding cover of the radio frequency antenna module and the radiating fins.
7. The antenna structure of the head-mounted device according to claim 3, wherein a through hole is provided at a shaft center of the rotation shaft of the end portion of the strap, and the connection wire penetrates into the head-mounted device from the through hole.
8. The antenna structure of a head-mounted device according to claim 1, characterized in that the antenna of the radio frequency antenna module is a dual polarized antenna.
9. The antenna structure of any one of claims 1-8, wherein the baseband processing chip is SDM845, the WiGig baseband chip is LBKA0KT1QQ, and the rf antenna module is XRBC 03.
10. A head-mounted device, characterized in that the head-mounted device comprises an antenna structure of the head-mounted device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030101.4U CN211480284U (en) | 2020-01-07 | 2020-01-07 | Antenna structure of head-mounted device and head-mounted device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030101.4U CN211480284U (en) | 2020-01-07 | 2020-01-07 | Antenna structure of head-mounted device and head-mounted device |
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| CN211480284U true CN211480284U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020030101.4U Active CN211480284U (en) | 2020-01-07 | 2020-01-07 | Antenna structure of head-mounted device and head-mounted device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023048727A1 (en) * | 2021-09-27 | 2023-03-30 | Hewlett-Packard Development Company, L.P. | Antenna enclosures for head mountable devices |
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2020
- 2020-01-07 CN CN202020030101.4U patent/CN211480284U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023048727A1 (en) * | 2021-09-27 | 2023-03-30 | Hewlett-Packard Development Company, L.P. | Antenna enclosures for head mountable devices |
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