CN2312472Y

CN2312472Y - Speaker unit for notebook computer

Info

Publication number: CN2312472Y
Application number: CN 97220281
Authority: CN
Inventors: 陈文彦; 王俊杰
Original assignee: 蔡坤明
Current assignee: Universal Scientific Industrial Co Ltd
Priority date: 1997-11-04
Filing date: 1997-11-04
Publication date: 1999-03-31
Anticipated expiration: 2007-11-04

Abstract

The utility model provides a loudspeaker device of notebook computer, which is characterized in that the device comprises a multi-sound-path loudspeaker circuit, at least one group of full-range loudspeaker system capable of showing middle and high sound effect and at least one group of low-range loudspeaker system capable of showing low sound effect, wherein the multi-sound-path loudspeaker circuit can divide the sound frequency band into a plurality of sections and can configure different audio frequencies into different loudspeaker systems. Therefore, the sound quality can be improved, and the loudspeaker device can show better middle-high sound effect and better low sound effect, so that the notebook computer loudspeaker device can obtain better sound quality.

Description

Speaker unit for notebook computer

本实用新型涉及一种扬声器，特别是涉及一种装置在笔记型计算机内且可具有极佳声音品质的笔记型计算机的扬声器装置。The utility model relates to a loudspeaker, in particular to a loudspeaker device for a notebook computer which is installed in a notebook computer and can have excellent sound quality.

一般笔记型计算机的外型轻薄短小，以方便使用者携带，因此笔记型计算机可装置扬声器的空间十分有限，如图1所示，笔记型计算机10是由一个液晶萤幕11与一个主机12所组成，在该笔记型计算机10内设置扬声器时，都是直接将一组扬声器13单体随意装置在该主机12内，但是，它还具有以下的缺点：Generally, notebook computers are light, thin, and short in appearance, so that users can carry them easily. Therefore, the space for installing speakers in notebook computers is very limited. As shown in FIG. , when loudspeaker is set in this notebook computer 10, all be to directly install a group of loudspeaker 13 monomers arbitrarily in this main frame 12, but, it also has following shortcoming:

1．一般人类可觉知声音的音域为20Hz～20KHz，但只凭一组小扬声器单体13在实际上并无法将整个频带涵盖，再加上装置在该笔记型计算机10内的扬声器多为中高音扬声器，其所能展现的音频通常约在600Hz以上，因此在使用该笔记型计算机10时，使用者所能听觉到的多为600Hz以上的中高音，至于600Hz以下的低音，则因该扬声器13的缺现而不能展现出来，所以就无法听到，然而，一般所能听觉的声音必须是高音、中音与低音兼备，才能称为较佳的声音品质，也就是说，以往笔记型计算机10的扬声器单体13无法提供较佳的声音品质。1. Generally, the range of human perceivable sound is 20 Hz to 20 KHz, but only one group of small speaker units 13 cannot actually cover the entire frequency band. In addition, most of the speakers installed in the notebook computer 10 are medium and high-pitched. Loudspeaker, the audio frequency that it can show is usually above 600Hz, so when using this notebook computer 10, what the user can hear is mostly the middle and high pitch above 600Hz, as for the bass below 600Hz, then because this speaker 13 However, the sound that can be heard generally must have both treble, midrange and bass, which can be called better sound quality. That is to say, the previous notebook computer 10 The loudspeaker unit 13 cannot provide better sound quality.

2．该扬声器单体13因未将单体内振动纸盆的前、后声音隔绝，所以使单体前、后所发出的声音互相受到干涉，使之存在无法发挥该扬声器单体13的最佳效能的缺点。2. This loudspeaker unit 13 does not isolate the front and rear sounds of the vibrating paper cone in the unit, so the sounds emitted by the front and rear of the unit are interfered with each other, so that there is a problem that the best performance of the loudspeaker unit 13 cannot be brought into play. shortcoming.

本实用新型的目的在于提供一种改进的笔记型计算机的扬声器装置，它能解决现有技术中只能表现出中高音效果的缺点，从而使其发出的声音具有极佳的声音品质和听觉效果。The purpose of this utility model is to provide an improved speaker device for a notebook computer, which can solve the shortcoming of only showing middle and high-pitched effects in the prior art, so that the sound it emits has excellent sound quality and auditory effect .

本实用新型的目的是这样实现的：一种笔记型计算机的扬声器装置，其特征在于：包含一个多音路扬声器电路、至少一组全音域扬声器系统及低音域扬声器系统，该多音路扬声器电路可将音频带分割成数段，然后，在每一段使用一组频段专用的扬声器，可改善声音的品质，该全音域扬声器系统可表现出良好的中高音效果，该低音域扬声器系统则可表现出良好的低音效果，藉由上述构造组成的扬声器装置可使笔记型计算机展现出极佳的声音品质。The purpose of this utility model is achieved in that a speaker device for a notebook computer is characterized in that it includes a multi-channel speaker circuit, at least one group of full-range speaker systems and low-range speaker systems, and the multi-channel speaker circuit The audio band can be divided into several sections, and then, in each section, a set of frequency-specific speakers can be used to improve the sound quality. The full-range speaker system can show good mid-high frequency effects, and the low-range speaker system can show A good bass effect can be produced, and the speaker device composed of the above structure can make the notebook computer exhibit excellent sound quality.

本实用新型由于在笔记型计算机50内装设至少一组的全音域扬声器系统30及低音域扬声器系统40，且设有一个多音路扬声器电路20，所以当音源进入时，由该多音路扬声器电路20可将音频带分割成数段，再将不同的音频段配置不同的全音域扬声器系统30或低音域扬声器系统40，使音源的中高音及低音皆得以充分表现后，就可听到兼具有中高音及低音的极佳声音效果。The utility model installs at least one group of full-range speaker system 30 and low-range speaker system 40 in the notebook computer 50, and is provided with a multi-channel speaker circuit 20, so when the sound source enters, by the multi-channel speaker The circuit 20 can divide the audio band into several segments, and then configure different full-range speaker systems 30 or low-range speaker systems 40 for different audio segments, so that after the middle, high, and low frequencies of the sound source can be fully expressed, you can hear both Great sound with mid-highs and lows.

通过以下对本实用新型笔记型计算机的扬声器装置的一实施例结合其附图的描述，可以更具体理解本实用新型的目的、结构特征和优点。其中，附图为：Through the following description of an embodiment of the speaker device for a notebook computer of the present invention in conjunction with the accompanying drawings, the purpose, structural features and advantages of the present invention can be more specifically understood. Among them, the accompanying drawings are:

图1是现有技术笔记型计算机的立体结构示意图。FIG. 1 is a schematic diagram of a three-dimensional structure of a notebook computer in the prior art.

图2是依据本实用新型提出的笔记型计算机的扬声器装置中多音路扬声器电路的流程示意图。Fig. 2 is a flow diagram of the multi-channel speaker circuit in the speaker device of the notebook computer proposed according to the utility model.

图3是依据本实用新型提出的笔记型计算机的扬声器装置中全音域扬声器系统的示意图。FIG. 3 is a schematic diagram of a full-range speaker system in a speaker device for a notebook computer according to the present invention.

图4是依据本实用新型提出的笔记型计算机的扬声器装置中低音域扬声器系统的示意图。FIG. 4 is a schematic diagram of a mid-bass range speaker system of a speaker device for a notebook computer according to the present invention.

图5是依据本实用新型提出的笔记型计算机的扬声器装置中使用扬声器装置的结构示意图。FIG. 5 is a structural schematic diagram of a speaker device used in a speaker device of a notebook computer according to the present invention.

图6是依据本实用新型提出的笔记型计算机的扬声器装置另一实施例中使用扬声器装置的结构示意图。FIG. 6 is a structural diagram of a speaker device used in another embodiment of the speaker device of a notebook computer according to the present invention.

如图2、5所示，本实用新型的笔记型计算机的扬声器装置包含一多音路扬声器电路20、至少一组的全音域扬声器系统30及低音域扬声器系统40，该多音路扬声器电路20及全音域扬声器系统30装置在一笔记型计算机50的主机51内，而该低音域扬声器系统40可装置在该笔记型计算机50内的其他部位或外部某一位置。As shown in Figures 2 and 5, the speaker device of the notebook computer of the present invention comprises a multi-channel speaker circuit 20, at least one group of full-range speaker systems 30 and low-range speaker systems 40, the multi-channel speaker circuit 20 And the full-range speaker system 30 is installed in the mainframe 51 of a notebook computer 50, and the low-range speaker system 40 can be installed in other parts of the notebook computer 50 or at a certain position outside.

如图2所示，该多音路扬声器电路20可使音源依序通过一个音频晶片21及一个分音器22，再分别通过一个音频放大器23、一全音域扬声器系统30及一个低通滤波器24，然后，通过该低通滤波器24的声音再经过一个音频放大器25，并进入该低音域扬声器系统40内而可与该全音域扬声器系统30接合，再通过一个混音器26后，就可构成扬声器装置，且可获得极佳的声音效果。该多音路扬声器电路20主要是可将音频带分割成多数段(即中高音频及低音频)，再予每一音频段配合以该频段专用的扬声器系统30、40，就可改善声音的品质，以本实施例来说，分频点可选在600Hz，也就是说高于该分频点的音频即配置入该全音域扬声器系统30，而低于该分频点的音频的则配置入该低音域扬声器系统40因此，使本实用新型具有可同时展现出高音、中音及低音的极佳声音品质的功效。As shown in Figure 2, this multi-channel speaker circuit 20 can make the sound source pass through an audio chip 21 and a sound divider 22 in sequence, and then pass through an audio amplifier 23, a full-range speaker system 30 and a low-pass filter respectively 24. Then, the sound through the low-pass filter 24 passes through an audio amplifier 25, and enters the low-range speaker system 40 to be connected with the full-range speaker system 30, and then passes through a sound mixer 26, and then A speaker device can be formed and an excellent sound effect can be obtained. This multi-channel loudspeaker circuit 20 can mainly divide the audio frequency band into several sections (i.e. middle and high audio frequency and low audio frequency), and then cooperate with each audio frequency section with a dedicated speaker system 30, 40 for the frequency band, so that the quality of the sound can be improved. , in this embodiment, the frequency division point can be selected at 600Hz, that is to say, the audio frequency higher than the frequency division point is configured into the full-range speaker system 30, while the audio frequency lower than the frequency division point is configured into the The low-range speaker system 40 thus enables the present invention to have the effect of exhibiting excellent sound quality of treble, mid-range and bass at the same time.

如图3所示，该全音域扬声器系统30由至少一组的扬声器单体31与其音箱32所组成，并连接设有一个头33可接于该主机51预设的孔(图未示)，该音箱32具有能充分发挥扬声器单体31的全音域频响曲线的特性(频响曲线越平稳，听者的听觉越舒服)，在音频特性中，该全音域扬声器系统30的最低共振频率值(fO)为600Hz，虽然低音效果表现不佳，但却具有可表现出良好中高音效果的功能。As shown in Figure 3, the full-range speaker system 30 is composed of at least one set of speaker units 31 and its sound box 32, and is connected with a head 33 that can be connected to the preset hole (not shown) of the host 51, This sound box 32 has the characteristics that can give full play to the full-range frequency response curve of the loudspeaker unit 31 (the smoother the frequency response curve, the more comfortable the listener's hearing). In audio characteristics, the lowest resonance frequency value of the full-range speaker system 30 is (fO) is 600Hz, although the bass effect is not good, but it has the function of showing good mid-range and high-range effects.

如图4所示，该低音域扬声器系统40由至少一个的扬声器单体41与一个音箱42所组成，配合图5所示，该低音域扬声器系统40也连接设有一个可设在该笔记型计算机50预设的孔53、55的头43，该音箱42具有可充分发挥该扬声器单体41的低音域频响曲线的特性，且在音频特性中，该低音域扬声器系统40的最低共振频率值(fO)约为300Hz，所以具有可强调低音的效果，也就是说该低音域扬声器系统40具有可表现出良好低音效果的功能。As shown in Figure 4, the low range speaker system 40 is composed of at least one speaker unit 41 and a sound box 42, as shown in Figure 5, the low range speaker system 40 is also connected with a The head 43 of the holes 53 and 55 preset by the computer 50, the sound box 42 has the characteristics of the low-range frequency response curve of the speaker unit 41, and in the audio characteristics, the lowest resonance frequency of the low-range speaker system 40 The value (fO) is about 300 Hz, so it has the effect of emphasizing the bass, that is to say, the low-range speaker system 40 has the function of showing a good bass effect.

如图5、6所示，组装时，只须将该全音域扬声器系统30通过由其头33设在该笔记型计算机50的主机51预设的孔(图未示)中，及将该低音域扬声器系统40由其头43设于该笔记型计算机50预设的孔53、55中，就可完成组装，当然，也可将该低音域扬声器系统40装置在主机51内部。另外，因该低音域扬声器系统40具有无方向性的特性，所以也可将其任意装置在该笔记型计算机50的扩充结构体52内，或透过外线(Line-Out)的方式外接。As shown in Figures 5 and 6, during assembly, it is only necessary to pass the full-range speaker system 30 through the hole (not shown) preset in the main frame 51 of the notebook computer 50 by its head 33, and the low The high-range speaker system 40 can be assembled by setting its head 43 in the preset holes 53 and 55 of the notebook computer 50 . Of course, the low-range speaker system 40 can also be installed inside the host 51 . In addition, because the low-range speaker system 40 has non-directional characteristics, it can also be installed in the expansion structure 52 of the notebook computer 50 or externally connected through an external line (Line-Out).

如图2所示，当音源进入该多音路扬声器电路20的音频晶片21后，可进入该分音器22，然后，该音源将被分设成中高音频与低音频两个音频(在本实施例中是以600Hz为分频点)，音频高于600Hz的中高音频将被配置入该音频放大器23载进入该全音域扬声器系统30内，音频低于600Hz的低音频将被配置入该低通滤波器24内，并经该音频放大器25后而进入该低音域扬声器系统40内，该中高音频与低音频会再碰触，然后再通过该混音器26后，就可表现出同时具有中高音与低音的极佳声音效果。As shown in Figure 2, after sound source enters the audio frequency chip 21 of this multi-channel loudspeaker circuit 20, can enter this sound divider 22, then, this sound source will be divided into two audio frequencies of medium high frequency and low frequency (in this paper In the embodiment, 600 Hz is used as the frequency division point), the middle and high audio frequency of the audio frequency higher than 600 Hz will be configured into the audio amplifier 23 and enter the full-range speaker system 30, and the low audio frequency of the audio frequency lower than 600 Hz will be configured into the low audio frequency. In the pass filter 24, and after the audio amplifier 25, it enters the low-range speaker system 40. The middle and high audio and the low audio will touch again, and then pass through the sound mixer 26 to show that there is a sound at the same time. Great sound in the mids, highs and lows.

Claims

1. the speaker unit of a mobile computer is characterized in that:

It comprises a multitone road speaker circuit, at least one group of full-range speaker system and at least one group of low range speaker system that can show bass effect that can show the alt effect;

This multitone road speaker circuit can be divided into several sections with voiced band, and speaker system that can different audio configuration are different.

2. the speaker unit of mobile computer as claimed in claim 1 is characterized in that:

The flow process of this multitone road speaker circuit is in regular turn for making source of sound enter an audio frequency wafer, enter a partial device again voiced band is distinguished into alt frequency and bass with part-frequency point, alt disposes into a note amplifier frequently and enters this full-range speaker system, bass disposes into a low-pass filter and enters a note amplifier again, and entering this low range speaker system, this alt and bass produce sound through a mixer again.

3. the speaker unit of mobile computer as claimed in claim 1 is characterized in that:

This full-range speaker system by at least one group of loudspeaker monomer and match with it have the gamut frequency response curve that can bring into play this loudspeaker monomer and the audio amplifier that shows the alt effect is formed.

4. the speaker unit of mobile computer as claimed in claim 1 is characterized in that:

Should low range speaker system by at least one group of loudspeaker monomer and match with it have the low range frequency response curve that can bring into play this loudspeaker monomer and the audio amplifier that shows bass effect is formed.

5. the speaker unit of mobile computer as claimed in claim 1 is characterized in that:

Should hang down range speaker system device in mobile computer or in its expanded structure body, or external in the mode of outside line.