Portable chassis sound equipment

Abstract

The utility model provides portable chassis sound equipment, which comprises a main shell, one side of the top of the main shell is provided with a mounting groove, and a plurality of groups of loudspeakers for playing audios are fixedly mounted in the mounting groove; a U-shaped groove is formed in one side of the main shell, and the U-shaped groove can be clamped with a vertical rod of the best machine; a bottom plate is fixedly installed at the bottom of the main shell, and a battery bin is installed on the bottom plate. The U-shaped groove is formed in one side of the main shell, so that the complete machine can be easily clamped into a floor stand base plate of the best machine, high integration of traditional best machines in the market is achieved, the function of a high-power sound box is added, the use requirement of a user is met, and the sound box can be easily disassembled and assembled and is simple and convenient; through the data connector and the Bluetooth arranged on the mainboard, the wireless microphone can be easily connected with a display screen of the best machine, sound amplification is achieved, meanwhile, a DSP karaoke effector is further designed on the mainboard, and various singing effects such as reverberation adjustment, echo adjustment and lifting adjustment of the wireless microphone can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of audio equipment, and more specifically, particularly relates to a portable chassis audio equipment, which can more conveniently match a mobile display device of the type of a girlfriend's phone. Background Art

[0002] The girlfriend machine is a type of mobile smart screen product launched by multiple brands such as Baidu Tiantian, Xiaodu, KTC, and Dangbei. This type of product integrates the functions of a TV, a tablet computer, and a mobile phone, and adds a floor stand with universal rollers, which can be moved at will. It has the advantages of a large screen and portability. It can be placed anywhere like a tablet computer, and you can easily free your hands. This design makes the girlfriend machine suitable for mobile use in various occasions such as bedrooms, living rooms, study rooms, and kitchens. It can be used to watch film and television content, do aerobics, learn cooking, and can also be used as a smart KTV song request machine, which is deeply loved by users.

[0003] However, in the prior art, when a girlfriend phone is in use, it usually relies on a small-sized speaker built into its display screen to play audio. Since its built-in speakers are limited by its own narrow sound cavity, the bass effect is poor when playing music, watching movies, and singing, and it is difficult to achieve the sound effect, making it difficult to meet the user's experience needs.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a portable chassis audio device is provided to achieve a purpose with greater practical value. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a portable chassis audio device, which is achieved by the following specific technical means:

[0006] A portable chassis audio device comprises a main shell, a mounting groove is provided on one side of the top of the main shell, and a plurality of groups of speakers for playing audio are fixedly installed inside the mounting groove; a U-shaped groove is provided on one side of the main shell, and the U-shaped groove can be engaged with the vertical pole of a girlfriend machine, so that the main shell with the speaker can be easily placed in a wiring-free and installation-free manner, which greatly improves the sound quality of the girlfriend machine; a power amplifier circuit mainboard is installed inside the main shell; the power amplifier circuit mainboard is connected to the girlfriend machine through a wireless transceiver to transmit audio signals, and can also transmit the audio audio back to the girlfriend machine for uploading to the network, and can use Bluetooth wireless connection at the same time, easily realizing wiring-free, debugging-free, simple and convenient use; a bottom plate is fixedly installed on the bottom of the main shell, and a battery compartment is installed on the bottom plate, and the battery compartment has a built-in lithium battery to power the power amplifier mainboard. There is no need to plug in a power cord, and it is very convenient to move and use it together with the girlfriend machine.

[0007] Furthermore, there are multiple groups of speakers, namely tweeters, midrange speakers and woofers, which adopt electronic three-way frequency technology to achieve better sound quality.

[0008] Furthermore, a mesh cover is installed on the top side of the installation slot close to the speaker, and the mesh cover is removable and cleanable.

[0009] Furthermore, two groups of fixing grooves are provided at the bottom of the base plate, and two groups of battery compartments are provided, and both are fixedly connected to the fixing grooves through fasteners.

[0010] Furthermore, the main shell body is provided with an installation port on one side close to the U-shaped groove, and an interface panel is installed inside the installation port. The power amplifier circuit mainboard is fixedly installed on the inner side of the interface panel, and multiple groups of audio input interfaces are fixedly installed on one side of the power amplifier circuit mainboard, wherein the audio input includes optical fiber signal, AUX analog signal, MIC microphone signal, USB computer and mobile phone audio, and can be expanded to connect external devices such as TV, projector, computer, mobile phone, etc.; the interface panel is provided with multiple groups of interfaces respectively connected to the multiple groups of audio input interfaces on one side close to the multiple groups of audio input interfaces.

[0011] Furthermore, a DSP karaoke effects unit is installed on the power amplifier circuit mainboard, which can adjust the reverberation, echo, pitch change and other functions when singing.

[0012] Furthermore, multiple groups of silicone pads are fixedly bonded to the bottom side of the bottom plate, which are in soft contact with the base of the girlfriend machine.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model is provided with a U-shaped groove on one side of the main shell, so that the whole machine can be easily inserted into the floor stand chassis of the girlfriend machine, thereby achieving a high degree of integration with traditional girlfriend machines on the market. A high-power power amplifier circuit mainboard and multiple sets of speakers are designed, which instantly increase the high-power sound effect of the girlfriend machine to meet the user's usage needs. The speakers can be easily folded and assembled, which is simple and convenient. Through the wireless data module and Bluetooth combined with the wireless transceiver set on the power amplifier circuit mainboard, it can be easily connected to the display screen of the girlfriend machine to achieve two-way transmission of audio downlink and upload. At the same time, the mainboard is also designed with a DSP karaoke effector, which enables the wireless microphone to adjust various singing effects such as reverberation, echo, and up and down pitch. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the disassembly of the utility model structure Figure 1 .

[0016] Figure 2 This is a schematic diagram of the disassembly of the structure of the utility model Figure 2 .

[0017] Figure 3This is the installation diagram of the utility model and the girlfriend machine Figure 1 .

[0018] Figure 4 This is the installation diagram of the utility model and the girlfriend machine Figure 2 .

[0019] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0020] 1. Main shell; 101. Mounting slot; 102. U-shaped slot; 103. Mounting port; 2. Bottom plate; 201. Fixing slot; 3. Battery compartment; 301. Wireless transceiver; 4. Speaker; 5. Net cover; 6. Interface panel; 7. Main board. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] As attached Figure 1 To Attachment Figure 4 As shown:

[0025] The utility model provides a portable chassis audio device, including a main shell 1, a mounting groove 101 is provided on one side of the top of the main shell 1, and a plurality of groups of speakers 4 for playing audio are fixedly installed inside the mounting groove 101; a U-shaped groove 102 is provided on one side of the main shell 1, and the U-shaped groove 102 can be engaged with the vertical pole of the girlfriend machine; a power amplifier circuit mainboard 7 is installed inside the main shell 1; the power amplifier circuit mainboard 7 is connected to the girlfriend machine through a wireless transceiver 301 to transmit audio signals, and can also transmit the audio audio back to the girlfriend machine for uploading to the network, and can use Bluetooth wireless connection at the same time, easily realizing wiring-free, debugging-free, simple and convenient use; a bottom plate 2 is fixedly installed on the bottom of the main shell 1, and a battery compartment 3 is installed on the bottom plate 2, and the battery compartment 3 has a built-in lithium battery to provide power endurance for the power amplifier mainboard 7, so that it is convenient to move with the girlfriend machine.

[0026] Among them, the speaker 4 is provided with multiple groups, namely tweeters, mid-range speakers and woofers, to improve the audio playback effect, which can effectively improve the sound quality of the girlfriend machine.

[0027] A mesh cover 5 is installed on the top side of the installation slot 101 close to the speaker 4, and the mesh cover 5 can be disassembled and cleaned.

[0028] The bottom of the base plate 2 is provided with two groups of fixing grooves 201 , and the battery compartment 3 is provided with two groups, and both are fixedly connected to the fixing grooves 201 through fasteners.

[0029] Among them, the main shell 1 is provided with an installation port 103 on one side close to the U-shaped groove 102, and an interface panel 6 is installed inside the installation port 103. The power amplifier circuit mainboard 7 is fixedly installed on the inner side of the interface panel 6, and multiple groups of audio input interfaces are fixedly installed on one side of the power amplifier circuit mainboard 7, wherein the audio input includes optical fiber signal, AUX analog signal, MIC microphone signal, USB computer and mobile phone audio, which can be extended to connect external devices such as TV, projector, computer, mobile phone, etc.; the interface panel 6 is provided with multiple groups of interfaces respectively connected to them on one side close to the multiple groups of audio input interfaces; a wireless digital audio module is installed on the power amplifier circuit mainboard 7, and the matching wireless transceiver 301 can wirelessly receive the audio of the girlfriend's machine for amplification, and at the same time, the mixed signal of the power amplifier circuit mainboard 7 can also be wirelessly transmitted back to the girlfriend's machine for scoring and uploading and sharing.

[0030] Among them, the power amplifier circuit main board 7 is equipped with a DSP karaoke effector, which can adjust the reverberation, echo, pitch change and other functions when singing.

[0031] Among them, multiple groups of silicone pads are fixedly bonded to the bottom side of the bottom plate 2 to improve the stability and wear resistance of the whole machine when it is placed.

[0032] The working principle of this embodiment: by providing a U-shaped groove 102 on one side of the main shell 1, the whole machine can be easily inserted into the floor-standing bracket chassis of the girlfriend machine, realizing the high integration of traditional girlfriend machines on the market. A high-power power amplifier circuit mainboard and multiple sets of speakers are designed inside the main shell 1, which instantly increases the high-power sound effect of the girlfriend machine and increases the high-power sound function to meet the user's usage needs. The sound can be easily folded and assembled, which is simple and convenient; through the wireless digital module and Bluetooth provided on the power amplifier circuit mainboard 7, it can be easily connected to the display screen of the girlfriend machine to achieve sound amplification sound effect and singing score uploading and sharing. At the same time, the mainboard 7 is also designed with a DSP karaoke effector, which enables the wireless microphone to adjust various singing effects such as reverberation, echo, and up and down pitch.

[0033] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A portable chassis audio device, comprising a main housing (1), characterized in that: A mounting groove (101) is provided on one side of the top of the main shell (1), and a plurality of groups of speakers (4) for playing audio are fixedly installed inside the mounting groove (101); a U-shaped groove (102) is provided on one side of the main shell (1), and the U-shaped groove (102) can be engaged with the vertical pole of the girlfriend machine; a power amplifier circuit mainboard (7) is installed inside the main shell (1); the power amplifier circuit mainboard (7) is connected to the girlfriend machine via a wireless transceiver (301) to transmit audio signals; a bottom plate (2) is fixedly installed on the bottom of the main shell (1), and a battery compartment (3) is installed on the bottom plate (2), and a lithium battery is built into the battery compartment (3).

2. The portable chassis audio device according to claim 1, characterized in that: The speakers (4) are provided in multiple groups, namely tweeters, mid-range speakers and woofers.

3. The portable chassis audio device as claimed in claim 1, characterized in that: The mounting groove (101) is provided with a mesh cover (5) on the top side close to the speaker (4).

4. The portable chassis audio device as claimed in claim 1, characterized in that: The bottom of the base plate (2) is provided with two groups of fixing grooves (201), and the battery compartment (3) is provided with two groups, which are respectively fixedly connected to the fixing grooves (201) via fasteners.

5. The portable chassis audio device as claimed in claim 1, characterized in that: The main housing (1) is provided with a mounting opening (103) on a side close to the U-shaped groove (102), an interface panel (6) is mounted inside the mounting opening (103), the power amplifier circuit mainboard (7) is fixedly mounted on the inner side of the interface panel (6), a plurality of groups of audio input interfaces are fixedly mounted on one side of the power amplifier circuit mainboard (7), and a plurality of groups of interfaces respectively communicating with the plurality of groups of audio input interfaces are provided on a side of the interface panel (6) close to the plurality of groups of audio input interfaces.

6. The portable chassis audio device as claimed in claim 5, characterized in that: A DSP karaoke effects unit is installed on the power amplifier circuit mainboard (7).

7. The portable chassis audio device as claimed in claim 1, characterized in that: A plurality of groups of silicone pads are fixedly bonded to the bottom side of the bottom plate (2).

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