CN212160610U - Keyboard with sound - Google Patents
Keyboard with sound Download PDFInfo
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- CN212160610U CN212160610U CN202020811959.4U CN202020811959U CN212160610U CN 212160610 U CN212160610 U CN 212160610U CN 202020811959 U CN202020811959 U CN 202020811959U CN 212160610 U CN212160610 U CN 212160610U
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- keyboard
- hand rest
- loudspeaker
- usb
- keyboard body
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Abstract
The utility model provides a keyboard with stereo set, including keyboard body and keyboard hand rest, the keyboard body is equipped with USB concentrator and USB sound card, the USB sound card passes through the USB concentrator and is connected with the host computer, the keyboard body with the keyboard hand rest all is equipped with loudspeaker, loudspeaker with the audio output of USB sound card is connected, the keyboard hand rest liftoff set up in the keyboard body is close to one side of user, the keyboard body with be equipped with the interface realization electrical connection of adaptation between the keyboard hand rest. The beneficial effects of the utility model reside in that: the utility model provides a keyboard with stereo set can effectively save the desktop space, and this keyboard adopts the components of a whole that can function independently structure, sets up full frequency loudspeaker on the keyboard body, sets up woofer on the keyboard hand rest, can provide better stereo set playback effect, has improved user experience greatly.
Description
Technical Field
The utility model belongs to the technical field of computer peripheral equipment technique and specifically relates to indicate a keyboard with stereo set.
Background
The sound box is one of indispensable peripheral hardware of multimedia computer, and current sound box is too bulky, occupies desktop space, and is not friendly to the user, has appeared the keyboard that integrates the loudspeaker, but this kind of keyboard tone quality can not be satisfied again. There is a need for improvements in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the keyboard with the sound box is reasonable in structure and convenient to combine and use.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a keyboard with audio amplifier, includes keyboard body and keyboard hand rest, the keyboard body is equipped with USB concentrator and USB sound card, the USB sound card passes through the USB concentrator and is connected with the host computer, the keyboard body with the keyboard hand rest all is equipped with loudspeaker, loudspeaker with the audio output of USB sound card is connected, the keyboard hand rest detachable liftoff set up in the keyboard body is close to one side of user, the keyboard body with the interface that is equipped with the adaptation between the keyboard hand rest realizes electrical connection.
Furthermore, the loudspeaker of keyboard hand rest is woofer, woofer's sound outlet set up in the bottom of keyboard hand rest.
Further, the keyboard hand rest is including sealed cavity, woofer is installed to the one end of sealed cavity, passive formula loudspeaker are installed to the other end of sealed cavity, the sound outlet of passive formula loudspeaker set up in the bottom of keyboard hand rest.
The USB hub is characterized by further comprising a main control module, a power management module and a battery, wherein the main control module is respectively connected with the power management module and the USB hub, and the battery is connected with the main control module through the power management module.
Further, the USB sound card comprises a DAC conversion module and a power amplifier module, the DAC conversion module is connected with the computer host through the USB concentrator, and the power amplifier module is connected with the loudspeaker of the keyboard body and the bass loudspeaker of the keyboard hand support respectively.
Further, the keyboard body is provided with a 3.5mm audio interface, and the 3.5mm audio interface is connected with the output end of the power amplifier module
Further, the keyboard body further comprises a wireless module, and the wireless module is connected with the main control module.
Further, a storage card reader is arranged on the keyboard body and connected with the main control module, and the storage card reader is an SD card reader, a TF card reader or an all-in-one card reader.
Furthermore, the keyboard hand support is connected with the keyboard body through magnetic attraction.
Furthermore, a cushion made of soft materials for supporting the wrist is arranged on the upper surface of the keyboard hand support.
The beneficial effects of the utility model reside in that: the utility model provides a keyboard with stereo set can effectively save the desktop space, and this keyboard adopts the components of a whole that can function independently structure, sets up full frequency loudspeaker on the keyboard body, sets up woofer on the keyboard hand rest, can provide better stereo set playback effect, has improved user experience greatly.
Drawings
The specific structure of the present invention is detailed below with reference to the accompanying drawings:
fig. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a front view of the keyboard body of the present invention;
FIG. 4 is a schematic view of the bottom surface structure of the keyboard hand rest of the present invention;
fig. 5 is a schematic side view of the keyboard hand rest of the present invention;
fig. 6 is a schematic structural diagram of functional modules of the present invention;
10-a keyboard body; 11-full frequency horn; 13-a headset interface; 14-microphone interface; 15-a storage card reader; 16-metal contacts; 20-keyboard hand rest; 21-a cushion; 22-woofer; 23-a passive horn; 24-metal shrapnel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the description of the invention referring to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
Please refer to fig. 1 to 6, a keyboard with sound device, comprising a keyboard body 10 and a keyboard hand support 20, wherein the keyboard body 10 is provided with a USB concentrator and a USB sound card, the USB sound card is connected to a computer host through the USB concentrator, the keyboard body 10 and the keyboard hand support 20 are both provided with speakers, preferably, the speakers on the keyboard body are full-frequency speakers 11, which can allow the keyboard body and the keyboard hand support to work independently after being separated, and also can achieve a better playback effect, the speakers are connected to the audio output end of the USB sound card, the keyboard hand support 20 is detachably disposed on one side of the keyboard body 10 close to a user, and an interface of an adapter is disposed between the keyboard body 10 and the keyboard hand support 20 to realize electrical connection.
In this embodiment, this internal keyboard controller that is equipped with of keyboard, keyboard controller pass through the USB concentrator and are connected with the host computer, and when the keyboard body passes through the USB cable and is connected with the host computer, the host computer can discern keyboard and USB sound card to loudspeaker through keyboard body and keyboard hand rest realize the sound production, need not external other audio equipment, and is very convenient.
The keyboard hand rest is designed in a separable mode, wherein a plurality of metal elastic sheets 24 are arranged on the keyboard hand rest, a plurality of metal contacts are correspondingly arranged on the keyboard body, and when the keyboard body does not detect the keyboard hand rest, the USB sound card drives a loudspeaker of the keyboard body to play back in a 2.0 sound channel working mode; when the keyboard body detects the keyboard hand rest, the USB sound card drives the keyboard body and the loudspeaker of the keyboard hand rest to playback in a 2.1 sound channel working mode so as to achieve a better playback effect.
Specifically, the audio output end of USB sound card divide into two way outputs, and the circuit of the same kind can directly drive full frequency loudspeaker, and another way is for the circuit that has the frequency divider, can divide into high frequency signal, intermediate frequency signal and low frequency signal with audio signal to carry high frequency signal and intermediate frequency signal to the full frequency loudspeaker 11 of keyboard body, carry the loudspeaker of low frequency signal to keyboard hand rest. And better playback effect is realized.
From the above description, the beneficial effects of the present invention are: the utility model provides a keyboard with stereo set can effectively save the desktop space, and this keyboard adopts the components of a whole that can function independently structure, sets up full frequency loudspeaker on the keyboard body, sets up woofer on the keyboard hand rest, can provide better stereo set playback effect, has improved user experience greatly.
Example 2
On the basis of embodiment 1, the speaker of the keyboard hand rest 20 is a woofer 22, and a sound outlet of the woofer 22 is arranged at the bottom of the keyboard hand rest.
In this embodiment, the orientation of the woofer is set to face the desktop, so that the bass playback effect can be effectively improved.
Example 3
On the basis of embodiment 2, keyboard hand rest 20 includes sealed cavity, woofer 22 is installed to the one end of sealed cavity, passive form loudspeaker 23 is installed to the other end of sealed cavity, the sound outlet of passive form loudspeaker 23 set up in the bottom of keyboard hand rest 20.
In this embodiment, passive loudspeaker and woofer need install in sealed box, and like this, when woofer work produced sound, the motion of woofer vibrating diaphragm can lead to the air in the box to be compressed and expanded, and under the effect that atmospheric pressure changes, passive loudspeaker produced the vibration, promoted the air outside the box, just so can sound. Therefore, the sealing cavity communicated with the woofer and the passive loudspeaker is arranged in the keyboard hand support, so that the woofer can be effectively driven to sound, and the bass playback effect is improved.
In addition, with the design of passive form loudspeaker in the bottom of keyboard hand rest, its vibration area often can be done bigger, and the volume that passive form loudspeaker promoted air also increases thereupon, and this just promotes the sense of volume of bass greatly, and simultaneously, the bore increase of passive form loudspeaker can also reduce its resonant frequency, makes the stereo set when the sound production, obtains better bass dive degree of depth.
In order to reduce the resonance influence, a steel plate or a lead plate is arranged in the keyboard hand support so as to increase the weight of the keyboard hand support and prevent the keyboard hand support from jumping.
Example 4
On the basis of embodiment 3, the USB hub further comprises a main control module, a power management module and a battery, wherein the main control module is respectively connected with the power management module and the USB hub, and the battery is connected with the main control module through the power management module.
In the embodiment, the main control module, the power management module and the battery are applied to the keyboard main body, so that the keyboard main body can be separated from a computer host for independent use, and the keyboard main body is more flexible to use.
Specifically, when the user does not want to open the computer but wants to use the function of keyboard stereo set, the built-in battery of accessible keyboard body supplies power to the keyboard stereo set, utilizes the USB concentrator to be connected host system and USB flash disk, reads the audio file in the USB flash disk through host system to the audio file broadcast of decoding has improved user experience greatly.
Further, the main control module can be used for detecting the power supply condition of the keyboard body, if the keyboard body adopts a battery power supply mode, the main control module controls the power amplifier module to work in a low power consumption mode so as to save electric energy, and if the keyboard body adopts an external power supply mode, the main control module controls the power amplifier module to work in a normal working mode so as to obtain a better playback effect.
Example 5
On the basis of embodiment 4, the USB sound card includes DAC conversion module and power amplifier module, DAC conversion module passes through the USB concentrator is connected with the computer host, the power amplifier module is connected with the loudspeaker of keyboard body and the bass loudspeaker of keyboard hand rest respectively.
In this embodiment, in order to obtain a better playback effect and reduce the use of wires, a USB sound card may be built in the keyboard body, wherein the DAC conversion module is configured to perform audio decoding through a USB interface, and the power amplifier module is configured to amplify the decoded audio signal. The power amplifier module includes earphone amplification unit and loudspeaker amplification unit, and wherein loudspeaker amplification unit passes through the loudspeaker that the loudspeaker of frequency divider connection keyboard body and keyboard hand held in the palm respectively so can obtain better drive power to reach better stereo set playback effect.
Example 6
On the basis of embodiment 5, the keyboard body is equipped with 3.5mm audio frequency interface, 3.5mm audio frequency interface with the output of power amplifier module is connected.
In this embodiment, because the keyboard embeds there is the USB sound card, the user can insert 3.5mm audio interface with the earphone and use to reduce the influence to other people.
The 3.5mm audio interface comprises a headphone interface 13 and a microphone interface 14.
Example 7
On the basis of embodiment 6, the keyboard body further comprises a wireless module, and the wireless module is connected with the main control module.
In this embodiment, when the user wants to use the function of keyboard stereo set but does not want to open the computer, the battery that the accessible keyboard body was built-in supplies power to the keyboard stereo set, is connected through portable digital products such as wireless module and cell-phone to the audio file on the portable digital product of broadcast has improved user experience greatly. The keyboard stereo set adopts bluetooth module to carry out wireless connection in this embodiment.
Example 8
On the basis of embodiment 7, the keyboard body is provided with a storage card reader 15, the storage card reader is connected with the main control module, and the storage card reader is an SD card reader, a TF card reader or an all-in-one card reader.
In this embodiment, when the user does not want to open the computer but wants to use the function of keyboard stereo set, the built-in battery of accessible keyboard body supplies power to the keyboard stereo set, reads the audio file reading of memory card in the storage card reader through host system module to broadcast the audio file decoding, improved user experience greatly.
In order to facilitate the selection of the user on the audio files, the upper surface of the keyboard body is also provided with a display screen. The user can operate the direction key, the confirm key and the ESC key.
Example 9
On the basis of the embodiment 8, the keyboard hand support is connected with the keyboard body through magnetic attraction.
In this embodiment, be provided with the iron sheet in the keyboard hand rest, the keyboard body is equipped with magnet in being close to user one side, so be connected keyboard hand rest and keyboard body actuation through magnetism, guarantee to be difficult to shift between keyboard hand rest and the keyboard body.
Example 10
On the basis of the embodiment 9, the upper surface of the keyboard hand rest is provided with a cushion 21 made of soft materials for supporting the wrist.
In this embodiment, the cushion 21 made of soft material can reduce the contact pressure between the wrist of the user and the keyboard hand rest, and increase the comfort level.
Furthermore, still can press from both sides in the middle of the mat and establish the piece that generates heat, generate heat the piece pass through the keyboard body with interface between the keyboard hand rest with host system connects, gives the piece power supply that generates heat through host system's control, heats the mat of keyboard hand rest, lets the user also can use the keyboard hand rest comfortably under low temperature environment.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a keyboard with stereo set which characterized in that: including keyboard body and keyboard hand rest, the keyboard body is equipped with USB concentrator and USB sound card, the USB sound card passes through the USB concentrator and is connected with the host computer, the keyboard body with the keyboard hand rest all is equipped with loudspeaker, loudspeaker with the audio output of USB sound card is connected, the keyboard hand rest detachable liftoff set up in the keyboard body is close to user's one side, the keyboard body with the interface that is equipped with the adaptation between the keyboard hand rest realizes electrical connection.
2. The audible keyboard as recited in claim 1, wherein: the loudspeaker of keyboard hand rest is the woofer, the sound outlet of woofer set up in the bottom of keyboard hand rest.
3. The audible keyboard as recited in claim 2, wherein: the keyboard hand rest comprises a sealing cavity, a bass loudspeaker is installed at one end of the sealing cavity, a passive loudspeaker is installed at the other end of the sealing cavity, and a sound outlet of the passive loudspeaker is formed in the bottom of the keyboard hand rest.
4. The audible keyboard as recited in claim 3, wherein: the USB hub comprises a USB hub, a power management module and a battery, and is characterized by further comprising a main control module, a power management module and a battery, wherein the main control module is respectively connected with the power management module and the USB hub, and the battery is connected with the main control module through the power management module.
5. The audible keyboard as recited in claim 4, wherein: the USB sound card comprises a DAC conversion module and a power amplifier module, the DAC conversion module is connected with the computer host through the USB concentrator, and the power amplifier module is respectively connected with the loudspeaker of the keyboard body and the bass loudspeaker of the keyboard hand support.
6. The audible keyboard as recited in claim 5, wherein: the keyboard body is provided with a 3.5mm audio interface, and the 3.5mm audio interface is connected with the output end of the power amplifier module.
7. The audible keyboard as recited in claim 6, wherein: the keyboard body further comprises a wireless module, and the wireless module is connected with the main control module.
8. The audible keyboard as recited in claim 7, wherein: the keyboard body is provided with a storage card reader, the storage card reader is connected with the main control module, and the storage card reader is an SD card reader, a TF card reader or an all-in-one card reader.
9. The audible keyboard as recited in claim 8, wherein: the keyboard hand support is connected with the keyboard body through magnetic attraction.
10. The audible keyboard as recited in claim 9, wherein: the upper surface of the keyboard hand support is provided with a cushion made of soft materials for supporting the wrist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020811959.4U CN212160610U (en) | 2020-05-15 | 2020-05-15 | Keyboard with sound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020811959.4U CN212160610U (en) | 2020-05-15 | 2020-05-15 | Keyboard with sound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212160610U true CN212160610U (en) | 2020-12-15 |
Family
ID=73705512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020811959.4U Active CN212160610U (en) | 2020-05-15 | 2020-05-15 | Keyboard with sound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212160610U (en) |
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2020
- 2020-05-15 CN CN202020811959.4U patent/CN212160610U/en active Active
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