CN210096247U

CN210096247U - Massage chair with personalized sound effect system

Info

Publication number: CN210096247U
Application number: CN201821738256.2U
Authority: CN
Inventors: 王荣河; 李泉华; 肖健; 冯时; 陈天送
Original assignee: Ogawa Intelligent Health Technology Group Co Ltd
Current assignee: Ogawa Intelligent Health Technology Group Co Ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2020-02-21
Anticipated expiration: 2028-10-25

Abstract

The utility model discloses a massage chair with a personalized sound effect system, which comprises a personalized sound effect system and a massage chair body; the personalized sound effect system comprises an audio input module, a control module, a sound effect module and a loudspeaker; the audio input module outputs audio signals to the sound effect module; the control module is used for controlling the whole personalized music system and transmitting ultrasonic signals; the sound effect module is connected with the audio input module, the control module and the loudspeaker; the sound effect module is used for carrying the audio signal input by the audio input module on the ultrasonic signal output by the control module and outputting the carried signal in a directional way through a loudspeaker; the loudspeaker is arranged on the chair back of the massage chair body.

Description

Massage chair with personalized sound effect system

Technical Field

The utility model relates to a massage armchair with individualized audio system.

Background

In recent years, with rapid development of economy and rapid improvement of living standard of people, various massage chairs with rich functions are gradually popularized in a large amount in individual families and public areas. One of the popular functions is a sound system, a voice recognition system, a voice playback system, and the like. Certainly, people immerse the convenience and enjoyment that science and technology brought, the traditional stereo set of omnidirectional transmission that carries on the massage armchair has also brought certain inconvenience and puzzlement for the user.

Because the massage armchair on the market all adopts traditional stereo set, traditional stereo set does not do the processing to the sound wave, and sound presents the state of eight directions of spread all around in air medium, is difficult to solve the crisscross problem of music between the influence and the adjacent massage armchair of surrounding people when audio system broadcast. For example, in a personal family, when people are quiet at night, the music spread all around can easily affect the family who is already asleep; when a plurality of massage chairs which are arranged side by side in a public area play various music at the same time, the music is mutually staggered, and the auditory experience of users of the adjacent massage chairs is seriously influenced. In order to solve the problem that sound of the intelligent massage armchair is spread to the periphery, brand-new and unique audiovisual experience is created for users, and therefore a personalized sound effect system capable of being carried on the massage armchair is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's weak point, provide a massage armchair with individualized audio system, crisscross each other, adjacent seat interference scheduling problem when having solved sound transmission among the above-mentioned background art.

The utility model provides a technical scheme that its technical problem adopted is: a massage chair with a personalized sound effect system comprises the personalized sound effect system and a massage chair body;

the personalized sound effect system comprises an audio input module, a control module, a sound effect module and a loudspeaker; the audio input module outputs audio signals to the sound effect module; the control module is used for controlling the whole personalized music system and transmitting ultrasonic signals; the sound effect module is connected with the audio input module, the control module and the loudspeaker; the sound effect module is used for carrying the audio signal input by the audio input module on the ultrasonic signal output by the control module and outputting the carried signal in a directional way through a loudspeaker; the loudspeaker is arranged on the chair back of the massage chair body.

In a preferred embodiment of the present invention, the sound effect module includes a modulation device and a power amplifier, the modulation device is electrically connected to the audio input module and the control module, and is used for carrying the audio signal input by the audio input module to the ultrasonic signal sent by the control module, and the power amplifier is electrically connected to the modulation device and the speaker, and is used for receiving the carried signal and outputting the signal to the speaker; the loudspeaker is arranged on the chair back of the massage chair.

In a preferred embodiment of the present invention, the speakers are disposed on the left and right sides of the back of the massage chair.

In a preferred embodiment of the present invention, the speaker is disposed behind a headrest of a back of the massage chair.

In a preferred embodiment of the present invention, the audio input module includes a voice broadcasting device disposed on the massage chair.

In a preferred embodiment of the present invention, the audio input module includes an audio input interface disposed on the massage chair.

In a preferred embodiment of the present invention, the frequency band of the ultrasonic signal emitted by the control module is 20KHz-1 GHz.

According to the acoustic theory, the frequency band of the audible sound of human ears is 20HZ-20KHz, the audible sound is diffused and propagated in all directions in the propagation process, the high-frequency sound wave with the frequency greater than 20KHz has good directivity in the transmission process, the directivity is better when the frequency is higher, namely, the ultrasonic wave (the frequency band is 20KHz-1GHz) has directional propagation characteristics, and the audible sound is modulated to the ultrasonic wave frequency band by using a specific technology according to the characteristics, so that the directional propagation can be realized. Generally speaking, audible sound waves are carried on ultrasonic waves, the audible sound has directivity due to the directivity of the ultrasonic waves, and the audible sound is left to be heard by human ears because the ultrasonic waves are naturally filtered by the human ears, so that the broadcasting function of directionally transmitting the audible sound is realized. The directional propagation technology is applied to the sound of the intelligent massage chair, the sound is controlled in a specific area and is not propagated to the periphery, the influence on surrounding people is reduced to the maximum extent, and the problem of sound staggering when music is played between adjacent massage chairs is reduced.

Compared with the background technology, the technical scheme has the following advantages:

1. the utility model can realize the directional transmission of sound, realize the directional transmission of sound in a small range, create a relatively independent small environment for watching and listening on the massage chair, and fundamentally solve the influence of the work of the massage chair sound on other people or equipment at the periphery;

2. through the opening and closing of the control module, the free switching of sound transmission in all directions or in fixed directions can be realized, and a user can individually select the working mode of the sound system of the massage chair according to actual occasions;

3. in a public area where a plurality of massage chairs are used side by side, the scheme can realize that when a plurality of devices play music at the same time, the music is not staggered, and a user is ensured to obtain good hearing experience.

Drawings

Fig. 1 is a process block diagram of personalized sound effect in embodiment 1.

FIG. 2 is a block diagram of the personalized sound effect process according to embodiment 2.

Fig. 3 is a schematic diagram of embodiment 2.

Fig. 4 is a schematic structural view of the massage chair of embodiment 1.

Fig. 5 is a schematic structural view of the massage chair of embodiment 2.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings and examples:

example 1

Referring to fig. 1 and 4, the massage chair with the personalized sound effect system of the embodiment includes a personalized sound effect system and a massage chair body;

the personalized sound effect system comprises an audio input module, a control module, a sound effect module and a loudspeaker 1; the audio input module outputs audio signals to the sound effect module; the control module is used for controlling the whole personalized music system and transmitting ultrasonic signals; the sound effect module is connected with the audio input module, the control module and the loudspeaker 1; the sound effect module is used for carrying the audio signal input by the audio input module on the ultrasonic signal output by the control module and outputting the carried signal directionally through the loudspeaker 1; the loudspeaker 1 is arranged on the chair back of the massage chair body.

The sound effect module comprises a modulation device and a power amplifier, the modulation device is connected with the audio input module and the control module and is used for carrying the audio signals input by the audio input module on the ultrasonic signals sent by the control module, the power amplifier is connected with the modulation device and the loudspeaker and is used for receiving the carried signals and outputting the signals to the loudspeaker 1, and the personalized sound effect of the directional propagation of the audible sound is realized through the filtering of the human ear of a user;

the control module is used for sending out ultrasonic signals with the frequency range being more than 20 KHz; in this embodiment, the frequency band of the ultrasonic signal sent by the control module is 20KHz to 1 GHz.

Referring to fig. 4, the speakers 1 are disposed at the left and right sides of the backrest of the massage chair to ensure that sound is directionally transmitted only in a small range near the massage chair.

The audio signal in fig. 1 is from the audio input module of the massage chair, and mainly includes the voice broadcast signal output by the voice broadcast device and the audio signal input by various audio interfaces. The sound effect module is responsible for processing audio signals, the control module is responsible for controlling the work of the personalized sound effect system, and the sound is spread in an omnidirectional mode or in a fixed direction and is freely switched by opening and closing the control module. Meanwhile, the control module also generates a carrier ultrasonic signal of the audio signal. The propagation of sound in air media and human skin bones can be seen as passing through a nonlinear system, where new frequencies are generated. The human ear is equivalent to a filter which can only receive the frequency of 20Hz to 20KHz, only receives the frequency part of music, thus the sound is heard again, and the function of directionally transmitting the audio signal played by the massage chair is realized.

Example 2

Example 2 differs from example 1 in that:

the sound effect module comprises a modulation device and a power amplifier, the modulation device is electrically connected with the audio input module and the control module and is used for carrying an audio signal input by the audio input module on an ultrasonic signal sent by the control module, and the power amplifier is electrically connected with the modulation device and the loudspeaker 1 and is used for receiving the carried signal and outputting the signal to the loudspeaker 1; referring to fig. 2 and 3, the modulation module modulates the audio signal to a frequency band of the ultrasonic signal that can be directionally transmitted. The power amplifier amplifies the modulated signal with directivity and outputs the amplified signal to the loudspeaker 1, and the sound is played.

Referring to fig. 5, the horn 1 is disposed at the rear side of the headrest of the massage chair back, so that the sound is directionally transmitted only in a small range near the massage chair, a relatively independent small visual and audio environment is created on the massage chair, and the influence of the massage chair sound on other people or equipment at the periphery during working is fundamentally solved.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. The utility model provides a massage armchair with individualized audio system which characterized in that: comprises a personalized sound effect system and a massage chair body;

2. The massage chair with personalized sound effect system according to claim 1, wherein: the sound effect module comprises a modulation device and a power amplifier, the modulation device is connected with the audio input module and the control module and used for carrying the audio signals input by the audio input module on the ultrasonic signals sent by the control module, and the power amplifier is connected with the modulation device and the loudspeaker and used for receiving the signals carried and outputting the signals to the loudspeaker.

3. The massage chair with personalized sound effect system according to claim 1, wherein: the loudspeaker are arranged on the left side and the right side of the massage chair back.

4. The massage chair with personalized sound effect system according to claim 1, wherein: the loudspeaker is arranged at the back side of the back cushion of the massage chair back.

5. The massage chair with personalized sound effect system according to claim 1, wherein: the audio input module comprises a voice broadcasting device arranged on the massage chair.

6. The massage chair with personalized sound effect system according to claim 1, wherein: the audio input module comprises an audio input interface arranged on the massage chair.

7. The massage chair with personalized sound effect system according to claim 1, wherein: the frequency band of the ultrasonic signal sent by the control module is 20KHz-1 GHz.