Disclosure of Invention
The disclosed embodiments provide a terminal. The technical scheme is as follows:
according to a first aspect of the embodiments of the present disclosure, a terminal is provided
The ultrasonic distance measuring sensor is arranged on the main board of the terminal;
the ultrasonic ranging sensor comprises an ultrasonic ranging sensor, a sound cavity component and an ultrasonic ranging sensor, wherein the sound cavity component is used for forming an L-shaped sound cavity, the L-shaped sound cavity comprises a transverse sound cavity and a longitudinal sound cavity which are communicated, the L-shaped sound cavity comprises a sounding port and an echo port, and an ultrasonic receiving and transmitting surface of the ultrasonic ranging sensor covers the sounding port; the sound cavity is used for conducting ultrasonic waves emitted by the ultrasonic distance measuring sensor and echoes reflected by the outside;
the screen comprises a display panel and a transparent substrate, the screen is arranged above the sound cavity component, a slot is arranged on the side edge of the transparent substrate, the slot and a first side wall forming the longitudinal sound cavity form a first opening, and the first opening is communicated with the sound cavity and used for transmitting ultrasonic waves emitted by the sound cavity and transmitting echoes reflected by the outside into the sound cavity;
the inner side of the first side wall is provided with a first protrusion, the first protrusion is located below the transparent substrate, the vertical distance between the first protrusion and the transparent substrate is a first preset value, the projection of the first protrusion in the horizontal direction is overlapped with the projection of the transparent substrate in the horizontal direction, the distance between the top end of the first protrusion and the second side wall is a second preset value, the second side wall is the side wall opposite to the first side wall in the side walls forming the longitudinal sound cavity, and the second side wall is located below the transparent substrate.
In one embodiment, the first preset value comprises 0.1mm to 1 mm.
In one embodiment, the second preset value comprises 0.05mm to 1 mm.
In one embodiment, the width of the first opening comprises 0.05mm to 0.2 mm.
In one embodiment, the sound cavity member comprises:
a metal housing of the terminal;
a sealing layer disposed on an upper surface of the metal case;
and the sound guide support is arranged on the sealing layer, a gap is only formed in the horizontal direction after the sound guide support and the metal shell are assembled to form a sound cavity for sound guide, and the gap is sealed by the sealing layer.
In one embodiment, the sound guide bracket and the metal shell are assembled to form a sound cavity for sound guide, and then a gap is formed in the horizontal direction and is located on the same plane.
In one embodiment, the first transverse part of the sound guide bracket and the second transverse part of the metal shell form a transverse sound cavity, and a first opening is arranged on the second transverse part and is a sound producing opening of the sound cavity;
the hollow column part of the sound guide support forms the longitudinal sound cavity, and the top opening of the hollow column part is the echo opening of the sound cavity.
In one embodiment, the sealing layer comprises sealing foam.
In one embodiment, a gap formed when the ultrasonic wave emitting surface of the ultrasonic ranging sensor covers the sounding port is sealed by a first sealing member.
In one embodiment, the other side walls except the first side wall among the side walls forming the longitudinal sound cavity are all positioned below the transparent substrate;
gaps between the other side walls and the transparent substrate are sealed by a second sealing member.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: in the embodiment, the sound cavity component can be arranged in the terminal to form the sound cavity, so that the ultrasonic distance measuring sensor can be arranged at any position of the mainboard, the top of the terminal is not required to be arranged, and the distance measuring function of the ultrasonic distance measuring sensor can be realized only by arranging the slotted communicating sound cavity on the transparent substrate of the screen, so that the structural space at the top end of the terminal is saved, and the effect of a comprehensive screen narrow frame is met; moreover, the first bulge is arranged on the inner side of the first side wall forming the longitudinal sound cavity, so that the first opening can be shielded on a vertical sight line on the basis of not influencing ultrasonic transmission, a large gap in the sight line on the front surface of the terminal is avoided, and the appearance is more attractive; and this first arch can be certain degree shelter from the foreign matter and get into the sound chamber, guarantee the reliability that ultrasonic ranging sensor used. 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.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
In the description of the present disclosure, it should be noted that the terms "upper", "lower", "longitudinal", "lateral", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present disclosure and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present disclosure.
Fig. 1 is a schematic cross-sectional view of a terminal according to an exemplary embodiment, and as shown in fig. 1, the terminal 1 includes amain board 10, an ultrasonicdistance measuring sensor 11, asound cavity member 12, and a screen 13.
Referring to fig. 1, the ultrasonic rangingsensor 11 is disposed on amain board 10 of the terminal 1, the ultrasonic ranging sensor is composed of a wave transmitter, a wave receiver, a control part and a power supply part, the power supply part can be connected with a power supply circuit on themain board 10, the power supply circuit supplies power to the ultrasonic rangingsensor 11 through the power supply part, the control part can be connected with a processor of themain board 10, the processor can control the frequency of a pulse chain, duty ratio, sparse modulation, counting, detection distance and the like sent by the wave transmitter through the control part, the wave receiver converts an echo of a transmitted wave into an electrical parameter after receiving the echo, outputs the electrical parameter to themain board 10 as the output of the wave receiver, and the main board can obtain the distance between the ultrasonic rangingsensor 11 and an external object by using an accurate time difference measurement technology to complete ranging.
Fig. 2 is a schematic cross-sectional view of a sound cavity component according to an exemplary embodiment, as shown in fig. 2, thesound cavity component 12 is used for forming an L-shaped sound cavity 121, the L-shaped sound cavity 121 includes atransverse sound cavity 1211 and alongitudinal sound cavity 1212 which are communicated, and the L-shaped sound cavity 121 includes asound emitting opening 1213 and asound reflecting opening 1214. Referring to fig. 1 and 2, the ultrasonic wave transmitting and receiving surface of the ultrasonic rangingsensor 11 covers thesound emitting port 1213, and thesound cavity 121 is used for conducting the ultrasonic wave emitted by the ultrasonic rangingsensor 11 and the echo reflected from the outside; as shown in fig. 1, after the ultrasonic rangingsensor 11 emits ultrasonic waves from the ultrasonic transmitting and receiving surface, the ultrasonic waves may sequentially pass through thetransverse sound cavity 1211 and thelongitudinal sound cavity 1212 which are communicated with each other from thesound emitting port 1213, and then are emitted from theecho port 1214, and the externally reflected echo enters thesound cavity 121 from theecho port 1214, and then sequentially passes through thelongitudinal sound cavity 1212 and thetransverse sound cavity 1211 which are communicated with each other, and then is received by the ultrasonic rangingsensor 11 from the ultrasonic transmitting and receiving surface of the ultrasonic rangingsensor 11.
Referring to fig. 1, the screen 13 includes adisplay panel 131 and atransparent substrate 132, where thedisplay panel 131 is used to implement a display function of a terminal screen, and it should be noted that the screen may further include a touch panel, and the touch panel is used to implement a touch function of an emphasis screen. Atransparent substrate 132 is disposed above thedisplay panel 131 for protecting thedisplay panel 131 as shown in fig. 1, and the screen 13 is disposed above thesound cavity member 12.
Fig. 3 is a partial schematic view of a terminal according to an exemplary embodiment, and as shown in fig. 3, aslot 1321 is formed on a side edge of thetransparent substrate 132, and in general, a distance measuring sensor on the terminal is disposed at a top position of the terminal, so that the embodiment can be slotted on one side of a top end of thetransparent substrate 132. Theslot 1321 and thefirst sidewall 122 forming thelongitudinal sound cavity 1212 form afirst opening 14, as shown in fig. 1, thefirst opening 14 is communicated with thesound cavity 121, and is used for transmitting the ultrasonic waves emitted by thesound cavity 121 and transmitting the externally reflected echo into the sound cavity;
as shown in fig. 1 and 3, afirst protrusion 1221 is disposed on an inner side of thefirst sidewall 122, thefirst protrusion 1221 is located below thetransparent substrate 132, and a vertical distance H1 between thefirst protrusion 1221 and thetransparent substrate 132 is a first preset value, that is, a certain gap is formed between thefirst protrusion 1221 and thetransparent substrate 132, and thefirst protrusion 1221 is not in contact with thetransparent substrate 132. The projection of thefirst protrusion 1221 in the horizontal direction overlaps with the projection of thetransparent substrate 132 in the horizontal direction, so that thefirst protrusion 1221 can block thefirst opening 14 in the vertical line of sight, for example, if thefirst sidewall 122 is a vertical sidewall, the length of thefirst protrusion 1221 is greater than or equal to the length of the first opening (not shown in the figure), and as shown in fig. 3, the width h1 of thefirst protrusion 1221 is greater than or equal to the width h2 of thefirst opening 14, the projection of thefirst protrusion 1221 in the horizontal direction overlaps with the projection of thetransparent substrate 132 in the horizontal direction, and thefirst protrusion 1221 blocks thefirst opening 14 in the vertical line of sight. Of course, thefirst protrusion 1221 may also form a shield between thefirst opening 14 and theecho vent 1214 of thesound cavity 121, but a distance H2 between the top end of thefirst protrusion 1221 and thesecond side wall 123 is a second preset value, that is, a certain gap is formed between thefirst protrusion 1221 and thesecond side wall 123, and thefirst protrusion 1221 and thesecond side wall 123 are not in contact with each other, and thesecond side wall 123 is a side wall of the side walls forming the longitudinal sound cavity, which is opposite to thefirst side wall 122. This ensures communication between thefirst opening 14 and theacoustic cavity 121, and the first opening can find the transmission of the ultrasonic waves emitted by the acoustic cavity and the transmission of the externally reflected echo into the acoustic cavity according to the arrows shown in fig. 1 without affecting the transmission of the ultrasonic waves. In addition, thisfirst arch 1221 can be certain degree shelter from the foreign matter and get into the sound chamber, guarantees the reliability that ultrasonic ranging sensor used.
In the embodiment, the sound cavity component can be arranged in the terminal to form the sound cavity, so that the ultrasonic distance measuring sensor can be arranged at any position of the mainboard, the top of the terminal is not required to be arranged, and the distance measuring function of the ultrasonic distance measuring sensor can be realized only by arranging the slotted communicating sound cavity on the transparent substrate of the screen, so that the structural space at the top end of the terminal is saved, and the effect of a comprehensive screen narrow frame is met; moreover, the first bulge is arranged on the inner side of the first side wall forming the longitudinal sound cavity, so that the first opening can be shielded on a vertical sight line on the basis of not influencing ultrasonic transmission, a large gap in the sight line on the front surface of the terminal is avoided, and the appearance is more attractive; and this first arch can be certain degree shelter from the foreign matter and get into the sound chamber, guarantee the reliability that ultrasonic ranging sensor used.
In a possible embodiment, the first preset value comprises 0.1mm to 1 mm.
As shown in fig. 1, a vertical distance H1 between thefirst protrusion 1221 and thetransparent substrate 132 is a first preset value, the first preset value is not too large, so as to avoid a large gap in the line of sight from occurring on the front surface of the terminal, the first preset value is not too small, so as to avoid affecting the transmission of the ultrasonic waves, and the first preset value in this embodiment includes 0.1mm to 1 mm.
In a possible embodiment, the second preset value comprises 0.05mm to 1 mm.
As shown in fig. 1, a distance H2 between the top end of thefirst protrusion 1221 and thesecond sidewall 123 is a second preset value, the second preset value is not too large to meet the requirement of a narrow frame of the terminal, and the second preset value is not too small to avoid affecting the transmission of the ultrasonic waves, and the first preset value in this embodiment includes 0.05mm to 1 mm.
In one possible embodiment, as shown in fig. 3, the width of thefirst opening 14 comprises 0.05mm to 0.2 mm.
Here, the width of thefirst opening 14 is 0.05mm to 0.2mm, which can ensure the function requirement of the related energy in the ultrasonic ranging sensor.
In one possible implementation, fig. 4 is a schematic cross-sectional view of a sound cavity member according to an exemplary embodiment, as shown in fig. 4, thesound cavity member 12 includes: ametal shell 124 of the terminal; asealing layer 125 disposed on an upper surface of themetal shell 124; and asound guide holder 126 provided on thesealing layer 125, wherein a gap is formed only in a horizontal direction after thesound guide holder 126 and themetal case 124 are assembled to form a sound cavity for sound guide, and the gap is sealed by the sealinglayer 125.
As shown in fig. 4, both thesound guide support 126 and themetal shell 124 form the upper and lower side walls of thesound cavity 121, when the two parts are assembled together, a certain gap is formed only in the contact part in the horizontal direction, and in order to ensure the performance of thesound cavity 121, asealing layer 125 is arranged at the gap for sealing, because thesound guide support 126 and themetal shell 124 are assembled to form the sound cavity for sound guide and then the gap is formed only in the horizontal direction, in this way, when assembling, the sound cavity can be sealed only by pressing thesound guide support 126 on thesealing layer 125 on the upper surface of themetal shell 124, the structure can realize positive pressure assembly sealing, the sealing is simple and reliable, and the assembling is easy.
It should be noted that the structure of the sound guide bracket and the metal shell shown in fig. 4 is only an exemplary structure, and in this embodiment, as long as the sound guide bracket and the metal shell are assembled to form a sound cavity for sound guide, and then a gap is formed only in the horizontal direction, various implementation structures may be provided, which are not described in detail herein.
In the sound cavity component that this embodiment provided, lead the sound support with only form the gap on the horizontal direction behind the sound cavity that the metal casing assembly formed the sound of leading the sound usefulness, the gap passes through the sealing layer is sealed, so, when sealed equipment, only need to lead the sound support forward pressure can realize the sealed equipment to the sound cavity on the sealing layer of metal casing upper surface, and above-mentioned structure can realize that the malleation equipment is sealed, and is sealed simple reliable, and assembles easily.
In one possible embodiment, as shown in fig. 4, thesound guide bracket 126 and themetal shell 124 are assembled to form a sound cavity for sound guide, and then a gap is formed in the horizontal direction to be located on the same plane.
Leading in this embodiment the sound support with form the sound cavity that the sound was used after the metal casing assembly and form the gap and lie in the coplanar in the horizontal direction, like this, just need make the sealing layer of a intercommunication, with the sealing layer setting of this intercommunication can in the assigned position of the upper surface of metal casing for this sealing layer of preparation and equipment is simple swift more.
In a possible implementation, fig. 5 is a schematic cross-sectional view of an earphone device according to an exemplary embodiment, as shown in fig. 5, a firsttransverse portion 1261 of the sound guide bracket and a secondtransverse portion 1241 of the metal shell form a transverse sound cavity, and the secondtransverse portion 1241 is provided with a sound opening as a sound emitting opening of the sound cavity; thehollow column part 1262 of thesound guide bracket 126 forms the longitudinal sound cavity, and the top opening of thehollow column part 1262 is a sound return port of the sound cavity.
Here, it should be noted that the hollow cylindrical portion is a cylindrical body with a hollow center and an upper and lower opening.
In this embodiment, a transverse sound cavity may be formed by the first transverse portion of the sound guide bracket and the second transverse portion of the metal shell, and an opening is disposed on the second transverse portion and is a sound opening of the sound cavity; the hollow column part of the sound guide support forms the longitudinal sound cavity, the top opening of the hollow column part is the echo port of the sound cavity, and the L-shaped sound cavity formed by the communicated transverse sound cavity and the longitudinal sound cavity is assembled to realize a sound cavity structure, so that the realization is simple.
In one possible embodiment, as shown in fig. 4 or 5, thesealant 125 comprises a foam sealant.
The sealing layer in the embodiment comprises a foam surface sealing adhesive, the foam surface sealing adhesive can perform good water sealing and dust sealing, sound and noise are well isolated, the foam sealing adhesive is used for sealing the sound cavity, and the effect is good.
In a possible implementation, fig. 6 is a schematic cross-sectional view of a terminal according to an exemplary embodiment, and as shown in fig. 6, a gap formed when the ultrasonic wave emitting surface of the ultrasonic rangingsensor 11 covers the sound emitting port is sealed by a first sealingmember 15.
The gap formed when the ultrasonic wave emitting surface of the ultrasonic ranging sensor covers the sounding opening can be sealed through the first sealing element, and the reliability of ultrasonic ranging is further improved.
In a possible embodiment, as shown in fig. 6, the other side walls except thefirst side wall 122 of the side walls forming thelongitudinal sound cavity 1212 are located below the transparent substrate; the gap between the other sidewall and the transparent substrate is sealed by the second sealingmember 16, and only the gap between thesecond sidewall 123 and the transparent substrate is shown in fig. 6 to be sealed by the second sealingmember 16.
The gap between the other side wall and the transparent substrate can be sealed by the second sealing element, so that dust is prevented from entering the terminal through the gap and affecting the performance of the terminal.
Fig. 7 is a block diagram illustrating a terminal according to an example embodiment, for example, the terminal 700 may be a mobile phone, a game console, a computer, a tablet device, a personal digital assistant, and the like. Terminal 700 can include one or more of the following components: processingcomponents 701,memory 702,power components 703,multimedia components 704,audio components 705, input/output (I/O) interfaces 706,sensor components 707, andcommunication components 708.
Theprocessing component 701 generally controls overall operation of the terminal 700, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. Theprocessing components 701 may include one ormore processors 720 to execute instructions to perform all or a portion of the steps of the methods described above. Further,processing component 701 may include one or more modules that facilitate interaction betweenprocessing component 701 and other components. For example, theprocessing component 701 may include a multimedia module to facilitate interaction between themultimedia component 704 and theprocessing component 701.
Thememory 702 is configured to store various types of data to support operations at the terminal 700. Examples of such data include instructions for any application or method operating onterminal 700, contact data, phonebook data, messages, pictures, videos, and so forth. Thememory 702 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
Power components 703 provide power to the various components ofterminal 700. Thepower components 703 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the terminal 700.
Themultimedia component 704 includes a screen providing an output interface between the terminal 700 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, themultimedia component 704 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the terminal 700 is in an operation mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
Theaudio component 705 is configured to output and/or input audio signals. For example, theaudio component 705 includes a Microphone (MIC) configured to receive external audio signals when the terminal 700 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in thememory 702 or transmitted via thecommunication component 708. In some embodiments,audio component 705 also includes a speaker for outputting audio signals.
The I/O interface 706 provides an interface between theprocessing component 701 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
Thesensor component 707 includes one or more sensors for providing various aspects of state assessment for the terminal 700. For example,sensor assembly 707 may detect an open/closed state ofterminal 700, relative positioning of components such as a display and keypad ofterminal 700, change in position ofterminal 700 or a component ofterminal 700, presence or absence of user contact withterminal 700, orientation or acceleration/deceleration ofterminal 700, and temperature change ofterminal 700. Thesensor assembly 707 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. Thesensor assembly 707 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, thesensor assembly 707 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
Thecommunication component 708 is configured to facilitate communications between the terminal 700 and other devices in a wired or wireless manner. The terminal 700 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, thecommunication component 708 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, thecommunication component 708 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the terminal 700 can be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as thememory 702 comprising instructions, executable by theprocessor 720 of the terminal 700 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
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 application 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.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.