Distributed active and passive diaphragm matrix transmission ultrathin frame sound box

Abstract

The utility model discloses a distributed active and passive diaphragm matrix transmission ultrathin picture frame sound box, comprising a wooden box body, the outside of which is provided with a metal frame; a full-frequency unit, a first passive vibrating diaphragm group and a second passive vibrating diaphragm group are sequentially arranged on the wooden box body from top to bottom; the high-pitch unit is arranged in the middle of the full-frequency unit; the front surface of the wooden box body is provided with sound transmission screen cloth; according to the sound box, a unique active and passive vibrating diaphragm transmission technology is adopted, a matrix structure is applied to carry out omnibearing harmonic resonance distribution, audio signals of which the input end is subjected to DSP sound effect processing are reasonably adapted and smoothly transited in each layer subarea in the sound box, and harmonic resonance and mixing in an effective frequency response range are carried out, so that the sound effect of the sound box is effectively improved. And the audio signal fully shows the characteristics and fusion of the high-fidelity sound effect in the transmission process.

Description

Technical Field

[0001] The utility model relates to the technical field of sound boxes, in particular to an ultra-thin picture frame sound box with distributed active and passive diaphragm matrix transmission. Background Art

[0002] Similar picture frame speakers currently used in the market have the following defects:

[0003] 1. Limited frequency response range:

[0004] Most of the similar picture frame speakers currently used in the market are pursuing high sound pressure level and loudness, highlighting the application function too far-fetched, and over-emphasizing the size of the speaker's carrying power and the personalized characteristics of the language sound. For example, they rigidly emphasize the language sound amplification characteristics of picture frame speakers in school classrooms, and even specially set up some speakers and cabinet structures that inherently increase the sound loudness, so as to strive to improve the sound characteristics of the signal transmission process, etc., all of which emphasize the unique powerful functionality of the product equipment, while downplaying the high-fidelity sound reproduction characteristics that the speaker itself should have in system applications.

[0005] 2. Limitations of product application functions:

[0006] So far, although picture frame speakers have undergone some changes and improvements in product shape and appearance, as audio products, they have always been unsatisfactory in terms of sound transmission and sound quality. At present, the development of this type of picture frame speakers is still limited to highlighting the individuality of the single language application function. Although this type of picture frame speakers can largely meet the control of the sound loudness and volume when amplifying language in a certain place, their long-term environmental listening causes great problems in terms of listening tolerance and listening fatigue. These are all due to the unreasonable factors in the design of the electrical and magnetic circuits of the speaker unit, as well as the unreasonable factors in the structure of the speaker unit and the speaker box.

[0007] 3. Poor compatibility:

[0008] The speaker is the last link in the audio signal transmission process and is also the most important product equipment in the audio system. If the audio transmission characteristics and application functions of the speaker cannot be well integrated into the audio signal transmission process, that is, the frequency response effect of this type of picture frame speaker is not good, its incompatibility will, to a large extent, cause serious distortion and distortion of the sound signal during transmission, especially greatly affecting the clarity, intelligibility and fidelity of the sound signal during transmission. At the same time, the compatibility of the frequency response of this type of picture frame speaker is also the quality of the subjective evaluation of the speaker. Utility Model Content

[0009] The purpose of the utility model is to provide an ultra-thin picture frame speaker with distributed active and passive diaphragm matrix transmission to solve the problems raised in the above-mentioned background technology.

[0010] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0011] A distributed active and passive diaphragm matrix transmission ultra-thin picture frame speaker, comprising: a wooden box, the exterior of which is provided with a metal frame;

[0012] The wooden box is provided with a full-range unit, a first passive diaphragm group and a second passive diaphragm group in sequence from top to bottom;

[0013] It also includes a tweeter unit, which is installed in the middle of the full-range unit. The front side of the wooden box is provided with a sound-permeable mesh.

[0014] Preferably, the full-range unit is composed of eight 3-inch fine magnetic full-range speakers;

[0015] The tweeter unit is composed of two 1.28-inch internal magnetic high-frequency speakers;

[0016] The first passive diaphragm group is composed of two 4-inch passive diaphragms;

[0017] The second passive diaphragm group consists of two 6.5-inch passive diaphragms.

[0018] Preferably, a circuit board is installed inside the wooden box, the eight 3-inch fine magnetic full-range speakers are represented by L1, L2, L3, L4, R1, R2, R3, and R4 respectively, and the two 1.28-inch internal magnetic high-frequency speakers are represented by H1 and H2;

[0019] The L1 and L2 are connected in parallel, and the L3 and L4 are connected in parallel and then connected in series with the positive and negative electrodes of the circuit board;

[0020] The R1 and R2 are connected in parallel, and the R3 and R4 are connected in parallel and then connected in series with the positive and negative electrodes of the circuit board;

[0021] The positive and negative electrodes of the circuit board are connected in series with capacitors H1, H2 and C1 in sequence.

[0022] Preferably, the passive diaphragm is formed by connecting a metal aluminum sheet and a rubber edge folding ring.

[0023] The utility model has at least the following beneficial effects:

[0024] This distributed active and passive diaphragm matrix transmission ultra-thin picture frame speaker is composed of eight 3-inch fine magnetic full-range speakers and two 1.28-inch internal magnetic high-frequency speakers, as well as two 4-inch passive diaphragms and two 6.5-inch passive diaphragms; the system adopts a unique active and passive diaphragm transmission technology of the speaker system, and uses a matrix structure for all-round harmonic resonance distribution. It reasonably adapts and smoothly transitions the audio signal processed by DSP sound effects at the input end to the various levels of partitions inside the speaker, and performs harmonic resonance and mixing within the effective frequency response range, so that the audio signal can fully demonstrate the characteristics and fusion of high-fidelity sound effects during the transmission process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0026] Figure 1 This is a front view of the section of the ultra-thin picture frame speaker with distributed active and passive diaphragm matrix transmission of the utility model;

[0027] Figure 2 It is a side view of the ultra-thin picture frame speaker of the utility model with distributed active and passive diaphragm matrix transmission;

[0028] Figure 3 It is a structural schematic diagram of the utility model's distributed active and passive diaphragm matrix transmission ultra-thin picture frame speaker;

[0029] Figure 4 This is the circuit diagram of the utility model's distributed active and passive diaphragm matrix transmission ultra-thin picture frame speaker;

[0030] Figure 5 This is a sound waveform diagram of the ultra-thin picture frame speaker transmitted by the distributed active and passive diaphragm matrix of the utility model.

[0031] In the figure: 100, wooden box; 101, sound-transparent mesh; 110, metal frame; 120, tweeter; 130, full-range unit; 140, first passive diaphragm group; 150, second passive diaphragm group. DETAILED DESCRIPTION

[0032] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0033] Please refer to Figure 1-Figure 5 As shown, in the embodiment of the utility model,

[0034] A distributed active and passive diaphragm matrix transmission ultra-thin picture frame speaker, comprising: a wooden box 100, with a metal frame 110 disposed outside the wooden box 100;

[0035] The wooden box 100 is provided with a full-range unit 130, a first passive diaphragm group 140 and a second passive diaphragm group 150 in order from top to bottom;

[0036] The high-frequency unit 120 is also included. The high-frequency unit 120 is installed in the middle of the full-frequency unit 130. The front side of the wooden box 100 is provided with a sound-transmitting mesh 101.

[0037] Preferably, the full-range unit 130 is composed of eight 3-inch fine magnetic full-range speakers;

[0038] The tweeter 120 consists of two 1.28-inch internal magnetic high-frequency speakers;

[0039] The first passive diaphragm group 140 is composed of two 4-inch passive diaphragms;

[0040] The second passive diaphragm group 150 is composed of two 6.5-inch passive diaphragms.

[0041] A circuit board is installed inside the wooden box 100, eight 3-inch fine magnetic full-range speakers are represented by L1, L2, L3, L4, R1, R2, R3, and R4, and two 1.28-inch internal magnetic high-frequency speakers are represented by H1 and H2;

[0042] L1, L2 are connected in parallel, L3, L4 are connected in parallel, and then connected in series with the positive and negative poles of the circuit board;

[0043] R1, R2 are connected in parallel, and R3, R4 are connected in parallel and then connected in series with the positive and negative electrodes of the circuit board;

[0044] The positive and negative poles of the circuit board are connected in series with the H1, H2 and C1 capacitors in turn.

[0045] The passive diaphragm is made of metal aluminum sheet and rubber edge folding ring.

[0046] St distributed active and passive diaphragm matrix transmission ultra-thin picture frame speakers are a series of audio transmission products for various multi-functional scene applications, which are comprehensively developed and designed according to the functional requirements of current commercial spaces, smart homes for personal consumption, and personalized applications in the cultural and entertainment market. The system adopts a unique active and passive diaphragm transmission technology of the speaker system, and uses a matrix structure for all-round harmonic resonance distribution. The audio signal processed by DSP sound effects at the input end is reasonably adapted and smoothly transitioned to the various levels of partitions inside the speaker, and harmonic resonance and mixing within the effective frequency response range are performed, so that the audio signal can fully display the characteristics and integration of high-fidelity sound effects during the transmission process.

[0047] This distributed active and passive diaphragm matrix transmission ultra-thin picture frame speaker is composed of eight 3-inch fine magnetic full-range speakers and two 1.28-inch internal magnetic high-frequency speakers, as well as two 4-inch passive diaphragms and two 6.5-inch passive diaphragms;

[0048] The speaker adopts advanced self-cooling structure, high-end fiber cone and rubber edge folding ring customized stable system design;

[0049] The speakers use a series of small-caliber speaker units with special precision magnetic drive circuits;

[0050] The passive low-frequency diaphragm is made of a metal aluminum sheet connected by a rubber edge folding ring;

[0051] The exterior of the speaker is positioned with a silver-grey metal frame 110, and a built-in wooden box 100 and a special sound-transparent mesh 101 are used to protect the speaker.

[0052] Sound-permeable mesh 101 is printed with various abstract painting patterns of different styles (customizable pattern replacement);

[0053] This speaker also adopts flexible wall-mounting installation, and can be derived from various installation devices such as suspension;

[0054] Frequency response range (±3dB): 80Hz-18KHz

[0055] Sensitivity (1W / 1M): 95dB

[0056] Power impedance: 120W / 4Ω(8Ω).

[0057] This distributed active and passive diaphragm matrix transmits ultra-thin picture frame speakers:

[0058] Adapting to simple active DSP audio processor or controllable audio integrated application system, you only need to connect the series of ultra-thin picture frame speakers with St distributed active and passive diaphragm matrix transmission to easily build an indoor audio control system for multi-purpose scenarios;

[0059] The ultra-thin box and decorative picture frame shape are easy to adapt to the installation of relevant application scenarios and can easily expand more personalized scene spaces;

[0060] The speaker has high fidelity, low sound pressure, large dynamics, virtual surround expansion, and low-frequency lower limit enhancement audio characteristics, which is a reliable guarantee for the sound quality of multi-function and background music scenes;

[0061] The speaker's all-round audio signal transmission and diffusion characteristics make it the best choice for designing immersive sound systems;

[0062] Super cost-effective product system.

[0063] The above description shows and describes several preferred embodiments of the utility model, but as before, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept of this article through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A distributed active and passive diaphragm matrix transmission ultra-thin picture frame speaker, characterized in that: include: A wooden box (100), wherein a metal frame (110) is provided outside the wooden box (100); The wooden box (100) is provided with a full-range unit (130), a first passive diaphragm group (140) and a second passive diaphragm group (150) in sequence from top to bottom; It also includes a tweeter unit (120), wherein the tweeter unit (120) is installed in the middle of the full-range unit (130). A sound-permeable mesh cloth (101) is provided on the front side of the wooden box (100).

2. According to claim 1, a distributed active and passive diaphragm matrix transmission ultra-thin picture frame speaker, characterized in that: The full-range unit (130) is composed of eight 3-inch fine magnetic full-range loudspeakers; The tweeter unit (120) is composed of two 1.28-inch internal magnetic high-frequency loudspeakers; The first passive diaphragm group (140) is composed of two 4-inch passive diaphragms; The second passive diaphragm group (150) is composed of two 6.5-inch passive diaphragms.

3. The distributed active and passive diaphragm matrix transmission ultra-thin picture frame speaker according to claim 2, characterized in that: An audio processor is installed inside the wooden box (100), the audio processor comprising a circuit board, the eight 3-inch fine magnetic full-range speakers are represented by L1, L2, L3, L4, R1, R2, R3, and R4 respectively, and the two 1.28-inch internal magnetic high-frequency speakers are represented by H1 and H2; The L1 and L2 are connected in parallel, and the L3 and L4 are connected in parallel and then connected in series with the positive and negative electrodes of the circuit board; The R1 and R2 are connected in parallel, and the R3 and R4 are connected in parallel and then connected in series with the positive and negative electrodes of the circuit board; The positive and negative electrodes of the circuit board are connected in series with capacitors H1, H2 and C1 in sequence.

4. The distributed active and passive diaphragm matrix transmission ultra-thin picture frame speaker according to claim 2, characterized in that: The passive diaphragm is formed by connecting a metal aluminum sheet and a rubber edge folding ring.

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