CN111123528A - Head-mounted device - Google Patents
Head-mounted device Download PDFInfo
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- CN111123528A CN111123528A CN202010079646.9A CN202010079646A CN111123528A CN 111123528 A CN111123528 A CN 111123528A CN 202010079646 A CN202010079646 A CN 202010079646A CN 111123528 A CN111123528 A CN 111123528A
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- battery
- detachable connection
- connection unit
- head
- circuit
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present disclosure provides a head-mounted device, comprising: a head display unit comprising: the head display unit comprises a first battery and a circuit to be powered, wherein the first battery is arranged in the head display unit and is connected with the circuit to be powered; and at least one detachable connection unit connected to one end or both ends of the head display unit, each detachable connection unit including a second battery, respectively; the second battery is respectively connected with the first battery and the circuit to be powered and is used for supplying power to the circuit to be powered in the head display unit and charging the first battery.
Description
Technical Field
The present disclosure relates to wearable equipment technology, and in particular, to a head-mounted device.
Background
The head-mounted device can achieve different effects such as Virtual Reality (VR), Augmented Reality (AR), Mixed Reality (MR) and the like by sending optical signals to eyes, such as VR glasses, AR glasses, MR glasses and the like.
The existing head-mounted equipment can be roughly divided into a split type and an integrated type in form. The split type device includes a head-mounted display portion (hereinafter referred to as a head display portion) and also includes a host portion. The head display part only comprises necessary functional modules such as a display module, a camera module, an environment sensor module and the like, and modules such as a processor, a battery and the like are arranged on the host part. Although split type equipment has reduced the volume and the weight of first apparent part to a great extent, has promoted the comfort level of use to because the battery can select the battery that the capacity is great at the host computer part, consequently promoted duration, need pass through the wire connection between first apparent part and the host computer part, be not convenient for carry and use.
The integrated device integrates all functional modules, including a processor, a battery and the like, and is limited by the size of the integrated device, and the volume and the capacity of the used battery are limited, so that the endurance time of the integrated device is short.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The present disclosure is directed to a head-mounted device, which overcomes, at least to some extent, the problems of low battery capacity and short endurance time of an integrated head-mounted device in the related art.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows, or in part will be obvious from the description, or may be learned by practice of the disclosure.
According to an aspect of the present disclosure, there is provided a head mounted device including: a head display unit comprising: the head display unit comprises a first battery and a circuit to be powered, wherein the first battery is arranged in the head display unit and is connected with the circuit to be powered; and at least one detachable connection unit connected to one end or both ends of the head display unit, each detachable connection unit including a second battery, respectively; the second battery is respectively connected with the first battery and the circuit to be powered and is used for supplying power to the circuit to be powered in the head display unit and charging the first battery.
The head mounted device according to any one of the above, wherein the head display unit further comprises: and the power management module is connected with the second battery in the at least one detachable connection unit and used for controlling the second battery to be the circuit to be supplied with power and controlling the second battery to charge the first battery when the electric quantity of the first battery is smaller than the electric quantity threshold value.
A head-mounted apparatus according to any of the preceding claims, the at least one detachable connection unit comprising: a first detachable connection unit and a second detachable connection unit respectively connected with both end portions of the head display unit.
According to any one of the above head-mounted devices, the second battery in the first detachable connection unit and the second battery in the second detachable connection unit are respectively connected with the circuit to be powered and the first battery, and are respectively and independently used for supplying power to the circuit to be powered and independently charging the first battery.
According to any of the above head-mounted devices, the second battery in the first detachable connection unit is connected in series with the second battery in the second detachable connection unit.
According to any one of the above head-mounted devices, the power management module is further configured to convert a voltage provided by the second battery in the first detachable connection unit and the second battery in the second detachable connection unit into a supply voltage of the circuit to be supplied, and convert a voltage provided by the second battery in the first detachable connection unit and the second battery in the second detachable connection unit into a charging voltage of the first battery.
A head-mounted apparatus according to any of the above, further comprising: the charging interface is connected with the power management module; the power management module is further configured to provide the electric energy received from the charging interface to the second battery to charge the second battery.
According to any one of the above head-mounted devices, the power management module is connected to the first battery, and further configured to control the first battery to supply power to the circuit to be powered when the at least one detachable connection unit is detached.
According to any one of the above head-mounted devices, each detachable connection unit includes a metal pin; when the detachable connection units are detached, each detachable connection unit charges the second battery through the metal pins.
A head-mounted device according to any preceding claim, the second battery comprising: flexible battery, special-shaped battery or battery after being encapsulated by a plurality of special-shaped battery cores.
The head-mounted device that this disclosed embodiment provided, through set up external battery in can dismantling the coupling unit, be the head-mounted device power supply by external battery to for built-in battery in the head-mounted device charges, can promote the time of endurance of head-mounted device on the one hand, on the other hand because external battery is set up in the coupling unit, can also distribute the weight of whole head-mounted device uniformly, avoid the overweight problem of the front end display part of head-mounted device, promote user's the comfort level of wearing.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
Fig. 1 is a schematic diagram illustrating a configuration of a head-mounted device according to an exemplary embodiment.
Fig. 2A is a schematic diagram of a head-mounted device shown according to an example.
Fig. 2B is a schematic diagram of another head mounted device shown according to an example.
Fig. 3 is a schematic diagram illustrating another head-mounted device according to an example embodiment.
FIG. 4 is a charging schematic diagram illustrating a detachable connection unit in connection with a host unit, according to an example embodiment.
Fig. 5A is a schematic diagram illustrating the connection of a second battery in series with a second battery according to an exemplary embodiment.
Fig. 5B is a schematic diagram illustrating another connection of the second battery 121A in series with the second battery 121B according to an exemplary embodiment.
Fig. 6 is a power supply schematic diagram of a first battery shown in accordance with an exemplary embodiment.
FIG. 7 is a schematic diagram of a connection unit cartridge provided in accordance with an exemplary embodiment.
Fig. 8 is a circuit schematic diagram of a connection cell box shown according to an example embodiment.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
In addition, in the present disclosure, unless otherwise expressly specified or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate. In the description of the present disclosure, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Hereinafter, aspects of the head mounted device in the exemplary embodiments of the present disclosure will be described in more detail with reference to the drawings and the embodiments.
The head-mounted device provided by the embodiment of the present disclosure may be VR glasses, AR glasses, MR glasses, or other smart glasses wearable on the head, for example.
Fig. 1 is a schematic diagram illustrating a configuration of a head-mounted device according to an exemplary embodiment.
Referring to fig. 1, the head mounted device 10 includes: a head display unit 11 and at least one detachable connection unit 12.
Among them, the head display unit 11 includes a first battery 111 and a circuit to be powered 112 built therein.
The circuit to be powered 112 in the head display unit 11 may include, for example, a processor module, a data acquisition module (such as a camera, a sensor, a microphone, an audio encoder, etc.), a display module, and the like in the head display unit 11.
Each detachable connection unit 12 includes a second battery 121. The second battery 121 is connected to the circuit 112 to be powered and the first battery 111, respectively, and is used for supplying power to the circuit 112 to be powered and charging the first battery 111.
In some embodiments, the capacity of the second battery is greater than the capacity of the first battery.
It should be noted that, for simplifying the drawings, fig. 1 shows only one detachable connection unit 12, but the disclosure is not limited thereto.
Fig. 2A is a schematic diagram of a head-mounted device shown according to an example.
As shown in fig. 2A, the detachable connection unit 12 of the head-mounted device 1 is connected to both ends of the head display unit 11, and forms a circle or an ellipse together with the head display unit 11, and can be integrally worn on the head of the user.
Fig. 2B is a schematic diagram of another head mounted device shown according to an example.
As shown in fig. 2B, the head mounted device 1 has a glasses shape with a head display unit 11 and two temples.
For example, one of the temples is the above-mentioned detachable connection unit 12 detachably connected to one end of the head display unit 11, and a second battery 121 is built therein; and the other temple is non-detachably connected to the head display unit 11.
Alternatively, both temples may be detachably connected to the both ends of the head display unit 11 by the detachable connection units 12 (e.g., the first detachable connection unit 12A and the second detachable connection unit 12B in the drawing) described above. Each temple has a second battery 121 built therein.
It should be noted that the shape and/or style of the head-mounted device 1 are not limited by the present disclosure, and fig. 2A and 2B are only examples and do not limit the present disclosure.
The head-mounted device that this disclosed embodiment provided, through set up external battery in can dismantling the coupling unit, be the head-mounted device power supply by external battery to for built-in battery in the head-mounted device charges, can promote the duration of a journey of head-mounted device on the one hand, on the other hand because external battery sets up in the coupling unit, can also distribute the weight of whole head-mounted device evenly, avoid the overweight problem of the front end display part of head-mounted device, promote user's the comfort level of wearing.
With continued reference to fig. 1, the head display unit 11 further includes: and the power management module 113 is connected with the first battery 111 and the second battery 121 in the detachable connection unit 12, and is used for controlling the second battery 121 to supply power to the circuit to be powered 112 and controlling the second battery 121 to charge the first battery 111. That is, as shown in fig. 1, the electric energy output by the second battery 121 is provided to the circuit to be powered 112 and the first battery 111 through the power management module 113, respectively.
The power management module 113 may control power supply to the circuit to be powered 112 and charging of the first battery 111 to be performed simultaneously; alternatively, the power supply to the circuit to be powered 112 and the charging of the first battery 111 may be controlled in a time-division manner. For example, in the gap of supplying power to the circuit to be supplied 112, the first battery 111 is charged; alternatively, the power supply circuit 112 and the first battery 111 are alternately powered and charged according to a preset time ratio.
Further, the charging of the first battery 111 is performed, for example, continuously. After the first battery 111 is fully charged, a part of the current loss may be generated due to the self-discharge effect of the battery, and at this time, the first battery 111 may be continuously charged with a small charging current only to ensure that the first battery 111 is in a full charge state.
Alternatively, the power management module 113 may start charging the first battery 111 when the power of the first battery 111 is smaller than a preset power threshold or falls within a preset power range, and stop charging the first battery 111 when the first battery 111 is fully charged.
The power management module 113 may be implemented, for example, as a Microcontroller Unit (MCU).
Fig. 3 is a schematic diagram illustrating another head-mounted device according to an example embodiment.
As shown in fig. 3, the detachable connection unit 12 further includes: a first detachable connection unit 12A and a second detachable connection unit 12B.
The style of the head set shown in fig. 3 may be, for example, as shown in fig. 2B, two temples are a first detachable connection unit 12A and a second detachable connection unit 12B, respectively, but the present disclosure is not limited thereto. For example, the first detachable connection unit 12A, the second detachable connection unit 12B and the head display unit 11 may be detachably connected in a closed manner in a pattern as shown in fig. 2A.
As shown in fig. 3, the second battery 121A in the first detachable connection unit 12A and the second battery 121B in the second detachable connection unit 12B are respectively connected to the power management module 113, and respectively and independently supply power to the circuit to be charged 112 and respectively and independently charge the first battery 111.
Referring to fig. 1 or fig. 3, the head mounted device 1 further includes: the charging interface 13 is connected to the power management module 112. The power management module 112 is further configured to provide the power received by the charging interface 13 to the second battery 121 (or the second batteries 121A and 121B in fig. 3).
The charging interface 13 may be, for example, a USB interface satisfying USB 2.0 specification, USB3.0 specification, and USB3.1 specification, and includes: micro USB interface or USB TYPE-C interface. In some embodiments, the charging interface 13 may also be a lightning interface, or any other type of parallel interface or serial interface capable of being used for charging.
As shown in fig. 1 or 3, the charging interface 13 may be disposed on the head display unit 11. The detachable unit 12 (or the detachable units 12A and 12B in fig. 3) can charge the second battery 121 (or the second batteries 121A and 121B in fig. 3) through the charging interface 13 using a power supply device (such as a power adapter, a mobile power supply, etc.) in a state of being connected to the head display unit 11.
FIG. 4 is a charging schematic diagram illustrating a detachable connection unit in connection with a host unit, according to an example embodiment.
As shown in fig. 4, the detachable unit 12 can charge the second battery 121 through the charging interface 13 in a state of being connected to the head display unit 11; in addition, the power supply device can supply power to the circuit to be charged 112 and charge the first battery 111 while charging the second battery 121.
One detachable connection unit 12 in fig. 4 is merely an example. Likewise, when the head-mounted device 1 has a plurality of detachable connection units (such as the detachable connection units 12A and 12B in fig. 3), different second batteries (such as the second batteries 121A and 121B in fig. 3) in the plurality of detachable connection units can be charged through the charging interface 13, and at the same time, the circuit to be charged 112 can also be supplied with power, and the first battery 111 can be charged.
Alternatively, the charging interface 13 may be provided on the detachable unit 12, so that the detachable connection unit 12 may be charged through the charging interface 13 when detached for charging.
When there are two detachable units 12A and 12B as shown in fig. 3, it is also possible to provide a charging interface 13 on each detachable unit. In a state where the detachable units 12A and 12B are connected to the head display unit 11, charging is performed through any one of the charging interfaces 13; while charging continues using the respective charging interface 13 when the detachable unit 12A or 12B is detached for charging.
In some embodiments, the second batteries 121A and 121B may also be connected in series in a state where the detachable units 12A and 12B are connected to the head display unit 11.
Fig. 5A is a schematic connection diagram illustrating a second battery 121A and a second battery 121B connected in series according to an exemplary embodiment.
As shown in fig. 5A, the second battery 121A and the second battery 121B may also be connected in series.
How to use a plurality of batteries connected in series to charge at a large current will be described below, which can increase the charging speed and reduce the heat generation of the head-mounted device 1 when charging the second battery 121:
for a device to be charged (e.g., the head-mounted device 1) including a single battery, when the single battery is charged using a large charging current, the heat generation phenomenon of the device to be charged may be severe. In order to ensure the charging speed of the equipment to be charged and relieve the heating phenomenon of the equipment to be charged in the charging process, the structure of the battery can be modified, a plurality of batteries which are mutually connected in series are used, and the plurality of batteries are directly charged, namely, the voltage output by the adapter is directly loaded to two ends of each battery in the plurality of batteries. Compared with a single battery scheme (namely that the capacity of a single battery before improvement is considered to be the same as the total capacity of a plurality of batteries connected in series after improvement), if the same charging speed is to be achieved, the charging current applied to each battery in the plurality of batteries is about 1/N (N is the number of battery units connected in series) of the charging current required by the single battery, in other words, on the premise of ensuring the same charging speed, the plurality of batteries connected in series can greatly reduce the magnitude of the charging current, so that the heat generation of the device to be charged in the charging process is further reduced. Therefore, in order to increase the charging speed and reduce the heat generation of the device to be charged during the charging process, the device to be charged may employ a plurality of batteries connected in series.
Therefore, by connecting the second battery 121A and the second battery 121B in series, it is possible to increase the charging speed and reduce the temperature of the head mounted device 1 during charging, on the one hand, when charging the second battery 121A and the second battery 121B in a state where the detachable connection units 12A and 12B are connected to the head display unit 11.
When the second battery 121A and the second battery 121B are connected in series, the power management module 113 is further configured to convert the voltages provided by the second battery 121A and the second battery 121B into a power supply voltage of the circuit to be powered 112, and convert the voltages provided by the second battery 121A and the second battery 121B into a charging voltage of the first battery 111.
Since the second battery 121A is connected in series with the second battery 121B, the output voltage provided by the second battery 121A may not match the supply voltage of the circuit 112 to be powered and/or the charging voltage of the first battery 111, and therefore, when the circuit 112 to be powered is powered and/or the first battery 111 is charged, the voltages output by the second battery 121A and the second battery 121B connected in series need to be converted.
The power management module 113 may include a BUCK step-down circuit, a BOOST step-up circuit, a BUCK-BOOST circuit, or a Charge Pump (Charge Pump) circuit, for example, to convert voltages output by the second battery 121A and the second battery 121B.
Fig. 5B is a schematic diagram illustrating another connection of the second battery 121A in series with the second battery 121B according to an exemplary embodiment.
As shown in fig. 5B, the second battery 121A is connected in series with the second battery 121B to accelerate the charging speed and reduce the temperature of the head-mounted device 1 at the time of charging. When supplying power, the power management module 113 controls the second battery 121B to supply power to the circuit to be powered 112 and charge the first battery 111, so that the power management module 113 does not need to perform the above voltage conversion.
In order to equalize the voltage between the second battery 121A and the second battery 121B, the equalizing module 114 may be used to equalize the voltage between the second battery 121A and the second battery 121B, that is, when the second battery 121B supplies power to the circuit to be powered 112 and charges the first battery 111, the electric quantity in the second battery 121A is transferred to the second battery 121B, so as to improve the endurance of the second battery 121B.
The equalizing module 114 may actively equalize the voltage between the second battery 121A and the second battery 121B by using a capacitive equalizing method or an inductive equalizing method.
As described above, the detachable connection unit 12 (or 12A and 12B) can be detached to charge the second battery 121 (or 121A and 121B).
When the detachable connection unit 12 (or 12A and 12B) is detached, the power management module 113 may further control the first battery 111 to supply power to the circuit to be powered 112, that is, supply the power output by the first battery 111 to the device to be powered 112, so as to use the first battery 111 to provide the power for standby duration to the head-mounted device 1.
Alternatively, the standby detachable connection unit 12 (or 12A and 12B) may be used to replace the current detachable connection unit 12 (or 12A and 12B) during the use of the head-mounted device 1, so as to charge the second battery 121 (or 121A and 121B) in the current detachable connection unit 12 (or 12A and 12B).
In order to ensure that the power supply to the head-mounted device 1 is not interrupted during the replacement of the detachable connection unit 12 (or 12A and 12B), the power management module 113 may also control the first battery 111 to supply power to the circuit to be powered 112, so as to enable the head-mounted device 1 to continue to operate.
Fig. 6 is a power supply schematic diagram of a first battery shown in accordance with an exemplary embodiment.
As shown in fig. 6, during the replacement of the detachable connection unit 12 (or 12A and 12B), the power management module 113 supplies the power output by the first battery 111 to the device to be powered 112 to supply power to the device to be powered 112, so as to continue the operation of the head-mounted device 1 or supply power for standby duration to the head-mounted device 1.
When the detachable connection unit 12 (or 12A and 12B) is detached and the second battery 121 (or 121A and 121B) is charged, in addition to the above-mentioned manner of providing the charging interface 13, a metal pin may be provided on the detachable connection unit 12 (or 12A and 12B) and the second battery 121 (or 121A and 121B) is charged through the metal pin.
FIG. 7 is a schematic diagram of a connection unit cartridge provided in accordance with an exemplary embodiment. Taking the head mounted device 1 having two detachable connection units 12A and 12B as an example, in the connection unit case 2 shown in fig. 7, housing chambers 21A and 21B for housing the detachable connection units 12A and 12B, respectively, may be formed.
For example, when the head mounted device 1 is not used, the detachable connection units 12A and 12B may be detached and stored in the connection unit box 2.
Alternatively, the connection unit case 2 may also be used to house spare detachable connection units 12A and 12B to be replaced with the spare detachable connection units 12A and 12B when the second batteries 121A and 121B in the currently used detachable connection units 12A and 12B need to be charged.
It should be noted that, when the head-mounted device 1 only includes one detachable connection unit 12, the connection unit box 2 associated therewith has only one accommodation chamber 21. Alternatively, when the head mounted device 1 includes only one detachable connection unit 12 but provides a plurality of spare detachable connection units 12, the connection unit case 2 may include a plurality of receiving cavities therein to receive the plurality of spare detachable connection units.
The connection unit box 2 may further have a charging function, as shown in fig. 7, the bottom of the accommodating cavities 21A and 21B respectively have two metal pins (211A 1-211A 2 and 211B 1-211B 2) for charging the second batteries 121A and 121B. Accordingly, the detachable connection units 12A and 12B also have two metal pins (122A 1-122A 2 and 122B 1-122B 2), respectively. When the two metal pins of the accommodation cavities 21A and 21B are in contact with the two metal pins of the detachable connection units 12A and 12B, respectively, the second batteries 121A and 121B in the detachable connection units 12A and 12B can be charged through the connection unit case 2.
It should be noted that, although in fig. 7, the metal pins are respectively disposed at the portions where the detachable connection units 12A and 12B are connected to the host unit 11, the disclosure is not limited thereto, and the positions of the metal pins may be set according to the requirements of practical applications.
Fig. 8 is a circuit schematic diagram of a connection cell box shown according to an example embodiment.
As shown in fig. 8, the connection unit case 2 further includes: a charging module 22.
The charging module 22 may be, for example, a power supply providing module (e.g., a charging power supply providing 5V, such as a 5V battery) for directly providing a charging voltage when charging the second batteries 121A and 121B.
Further, the connection unit case 2 may further include: a charging interface 23. The connection unit case 2 is connected to a power supply device such as a power adapter, a portable power source, or the like through the charging interface 23 and a cable. In this case, the charging module 22 may charge the second batteries 121A and 121B using the power supplied from the power supply device.
The charging interface 23 may be, for example, a USB interface satisfying USB 2.0 specification, USB3.0 specification, and USB3.1 specification, and includes: micro USB interface or USB TYPE-C interface. In some embodiments, the charging interface 23 may also be a lightning interface, or any other type of parallel interface or serial interface capable of being used for charging.
The charging module 22 may include, for example, a voltage conversion module for converting a voltage input by the power supply device to provide a matched charging voltage for the second batteries 121A and 121B.
The charging module 22 may also be a direct charging circuit that directly supplies the voltage input by the power supply device to the second batteries 121A and 121B to charge the second batteries 121A and 121B.
In order to fully utilize the space of the detachable connection unit 12 to achieve the maximum energy density, the second battery 121 may include a flexible battery, a special-shaped battery, or a battery encapsulated by a plurality of special-shaped cells.
The flexible battery comprises an electrolyte and a separation film besides a positive electrode and a negative electrode. The positive electrode material may be a layered compound LiMO (M is one or more of metal elements Ni, Mn, Co, Al, etc.), such as lithium cobaltate, etc.; the negative electrode material can be one or more of graphite, graphene, a silicon-based material, a tin-based material, lithium titanate and the like; the electrolyte can be liquid electrolyte, solid gel electrolyte, ceramic electrolyte or all-solid-state polymer electrolyte; in particular, a separator may not be required in an all-solid electrolyte. The thickness of the flexible battery is generally 0.5mm, and the flexible battery can be a layer or a plurality of layers of positive and negative electrode combinations, so that a light and thin detachable connecting unit is realized.
The special-shaped battery consists of a packaging film, a positive plate, a negative plate, an insulating diaphragm, a tab and electrolyte. The shape of the special-shaped battery can be regular or irregular geometric shape; the positive tab and the negative tab of the special-shaped battery can be respectively arranged on the same side surface or different side surfaces of the battery. The shape of the special-shaped battery comprises: a circular battery, a C-shaped battery, an arc battery, a hexagonal battery, a fan-shaped battery, a triangular battery, an ultra-thin battery, etc., and the special-shaped battery can maximally utilize the space of the detachable connection unit to achieve the maximum energy density.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (10)
1. A head-mounted device, comprising:
a head display unit comprising: the head display unit comprises a first battery and a circuit to be powered, wherein the first battery is arranged in the head display unit and is connected with the circuit to be powered; and
at least one detachable connection unit connected to one end or both ends of the head display unit, each detachable connection unit including a second battery, respectively;
the second battery is respectively connected with the first battery and the circuit to be powered and is used for supplying power to the circuit to be powered in the head display unit and charging the first battery.
2. The head-mounted device of claim 1, wherein the head display unit further comprises: and the power management module is connected with the second battery in the at least one detachable connection unit and used for controlling the second battery to be the circuit to be supplied with power and controlling the second battery to charge the first battery when the electric quantity of the first battery is smaller than the electric quantity threshold value.
3. The headset of claim 2, wherein the at least one detachable connection unit comprises: a first detachable connection unit and a second detachable connection unit respectively connected with two ends of the head display unit.
4. The headset of claim 3, wherein a second battery in the first detachable connection unit and a second battery in the second detachable connection unit are connected to the circuit to be powered and the first battery, respectively, to independently power the circuit to be powered and to independently charge the first battery, respectively.
5. The headset of claim 3, wherein the second battery in the first detachable connection unit is in series with the second battery in the second detachable connection unit.
6. The headset of claim 5, wherein the power management module is further configured to convert a voltage provided by the second battery in the first detachable connection unit and the second battery in the second detachable connection unit into a supply voltage of the circuit to be powered, and convert a voltage provided by the second battery in the first detachable connection unit and the second battery in the second detachable connection unit into a charging voltage of the first battery.
7. The head-mounted apparatus of claim 2, further comprising: the charging interface is connected with the power management module; the power management module is further configured to provide the electric energy received from the charging interface to the second battery to charge the second battery.
8. The head-mounted apparatus according to claim 2, wherein the power management module is connected to the first battery and further configured to control the first battery to supply power to the circuit to be powered when the at least one detachable connection unit is detached.
9. The headset of claim 8, wherein each detachable connection unit comprises a metal pin; when the detachable connection units are detached, each detachable connection unit charges the second battery through the metal pins.
10. The headset of any one of claims 1-9, wherein the second battery comprises: flexible battery, special-shaped battery or battery after being encapsulated by a plurality of special-shaped battery cores.
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| CN202010079646.9A CN111123528A (en) | 2020-02-04 | 2020-02-04 | Head-mounted device |
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| CN202010079646.9A CN111123528A (en) | 2020-02-04 | 2020-02-04 | Head-mounted device |
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