CN209283455U

CN209283455U - A kind of speaker switched mutually with inside and outside frequency dividing

Info

Publication number: CN209283455U
Application number: CN201821456277.5U
Authority: CN
Inventors: 王继响
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-06
Filing date: 2018-09-06
Publication date: 2019-08-20
Anticipated expiration: 2028-09-06

Abstract

The utility model divides the speaker switched mutually, the power amplifier of loudspeaker, interior frequency divider, different frequency characteristic including different frequency characteristic with inside and outside for a kind of；Audio signal is played via after interior frequency divider frequency dividing via the loudspeaker that the power amplifier of corresponding frequencies characteristic is input to corresponding frequencies characteristic, further includes outer frequency divider and the switching circuit for switching interior frequency divider and outer frequency divider.In the speaker of the utility model, due to being provided with inside and outside frequency divider, when user cannot be met by interior frequency divider, outer frequency divider can be used, increase user experience.

Description

A kind of speaker switched mutually with inside and outside frequency dividing

Technical field

It is especially a kind of with the inside and outside speaker for dividing and switching mutually the utility model relates to speaker field.

Background technique

Speaker refers to a kind of equipment that audio signal can be transformed to sound.Popular saying just refers to speaker host cabinet or low Power amplifier is carried in sound receiver body, audio signal is amplified, sound is played back out by speaker itself after handling, make its sound The change of tune is big.

Speaker is the terminal of entire sound system, and effect is audio electric energy to be converted into corresponding sound energy, and its spoke Space is mapped to go.It is the extremely important component part of sound system, is responsible for the ear that electric signal is transformed into acoustical signal for people Piece directly listening to for task.

Generally there is high-frequency horn in a set of speaker, also there is Low frequency horn, is input to the base-band audio signal needs of speaker Frequency divider is divided into high frequency, low frequency or high, medium and low frequency division and is not played by corresponding loudspeaker.

Currently, having built-in frequency divider in a set of speaker, high frequency or low frequency signal are distributed into corresponding loudspeaker and played, this It is enough for most of consumers using speaker.But for many speaker uses, such frequency divider cannot expire Foot requires.

Utility model content

The deficiency that the utility model cannot be met the requirements of consumers well for the frequency divider in current microphone speaker, A kind of speaker mutually switched with inside and outside frequency dividing is provided, to meet the needs of the majority of consumers.

The utility model is that technical solution used by realizing its technical purpose is: one kind having the switching mutually of inside and outside frequency dividing Speaker, the power amplifier of loudspeaker, interior frequency divider, different frequency characteristic including different frequency characteristic；Audio signal is via interior frequency dividing Device frequency dividing after via corresponding frequencies characteristic power amplifier be input to corresponding frequencies characteristic loudspeaker play, further include outer frequency divider and For switching the switching circuit of interior frequency divider and outer frequency divider.

It,, can when user cannot be met by interior frequency divider due to being provided with inside and outside frequency divider in the speaker of the utility model To use outer frequency divider, increase user experience.

Further, above-mentioned in the inside and outside speaker for dividing and switching mutually: the loudspeaker include high-frequency horn and Low frequency horn, the output of the interior frequency divider and outer frequency divider include frequency modulation output, low frequency output, and the power amplifier includes height The power amplifier of frequency characteristic and the power amplifier of low frequency characteristic.

Further, in the above-mentioned speaker switched mutually with inside and outside frequency dividing: the switching circuit includes a peace When the four double-pole double throw switch K1 on Loudspeaker panel, the four double-pole double throw switch K1 are thrown to first position, audio signal by The power amplifier of high frequency characteristics and the power amplifier of low frequency characteristic are respectively enterd after interior frequency divider frequency dividing.

Below with reference to drawings and examples, the utility model is described in detail.

Detailed description of the invention

Fig. 1 is switching circuit schematic diagram in the utility model.

Fig. 2 is to switch block diagram in the utility model.

Specific embodiment

Embodiment 1, the present embodiment are a kind of speakers that can mutually switch with inside and outside frequency divider, are had in speaker itself Have other than frequency divider, there are one the frequency divider of periphery, two frequency dividers are referred to as interior frequency divider and outer frequency divider, such as Fig. 2 It is shown.The audio signal exported by equipment such as sound equipments, after interior frequency divider or outer frequency divider frequency dividing, to different frequency After audio signal is amplified using the power amplifier of different frequency characteristic, played via the loudspeaker of different frequency characteristic.Such as frequency divider Audio signal is divided into the signal of high, medium and low three kinds of frequencies, respectively Jing Guo high, medium and low three kinds of frequency characteristics power amplifier amplification with Afterwards, it is played respectively by high, medium and low sound loudspeaker, in the present embodiment, exactly increases a set of outer frequency divider in common speaker, such as Shown in Fig. 1, outer frequency divider uses a high-pass filter and a low-pass filter, and the high frequency section in audio signal is by high pass Filter output, low frequency part are exported by low-pass filter.As shown in Figure 1, being filtered by the low pass LC that inductance L1, capacitor C1 are formed Circuit, their output end W+ and W- connect in switching circuit respectively, the contact C3 and C4 of four double-pole double throw switch K1, by capacitor The end T+ and T- of the high pass LC filter circuit of C2, inductance L2 composition connect respectively, the contact C2 and C1 of four double-pole double throw switch K1.Such as Fruit, four double-pole double throw switch K1 are pushed here, then are divided by outer frequency divider.The sound come via plug J2 and J1 and conducting wire transmission Frequency signal inputs outer frequency divider by the IN+ and IN- of frequency divider and is then connected to fixed touching by the contact C of four double-pole double throw switch K1 Point i.e. B contact, in B contact, a pair directly connects radio frequency power amplifier, and another docking low-frequency power amplifier is finally played by high frequency respectively Device i.e. high-frequency horn play, correspondingly, the low frequency signal exported by frequency divider, after amplifying via low-frequency power amplifier, arrives low frequency Loudspeaker play.

As shown in Figure 1, switch contact is the contact of C class when four double-pole double throw switches on Loudspeaker panel toggle it to upward, Contact C1, C2, C3, C4 are in contact with fixed point B1, B2, B3 and B4 respectively, and signal flow direction is:

Bass: W+ --- C3 --- B3 --- bass anode --- bass cathode --- B4 --- C4 --- W-.

High pitch: T+ --- C1 --- B1 --- high pitch anode --- high pitch cathode --- B2 --- C2 --- T-.

When four double-pole double throw switches on Loudspeaker panel toggle it to downward, switch contact is the contact of A class, contact A 1, A2, A3, A4 are in contact with fixed point B1, B2, B3 and B4 respectively, and signal flow direction is:

In high pitch connector, tone frequency channel wire 2+ --- A1 --- B1 --- high pitch anode --- high pitch cathode --- B2 --- A2 --- tone frequency channel wire 2-.

Bass then in, tone frequency channel wire 1- --- A4 --- B4 --- bass cathode --- bass cathode --- B3 --- A3 --- tone frequency channel wire 1+.

The four double-pole double throw switch K1 switching principles of the present embodiment are as shown in Figure 2.

Claims

1. a kind of with the inside and outside speaker for dividing and switching mutually, loudspeaker, interior frequency divider, different frequency including different frequency characteristic The power amplifier of characteristic；Audio signal is input to corresponding frequencies spy via the power amplifier of corresponding frequencies characteristic via after interior frequency divider frequency dividing Property loudspeaker play, it is characterised in that: further include outer frequency divider and the switching circuit for switching interior frequency divider and outer frequency divider.

2. according to claim 1 divide the speaker that switches mutually with inside and outside, it is characterised in that: the loudspeaker include High-frequency horn and Low frequency horn, the output of the interior frequency divider and outer frequency divider includes that frequency modulation exports, low frequency exports, described Power amplifier includes the power amplifier of high frequency characteristics and the power amplifier of low frequency characteristic.

3. according to claim 2 with the inside and outside speaker for dividing and switching mutually, it is characterised in that: the switching circuit When four double-pole double throw switch K1 being mounted on Loudspeaker panel including one, the four double-pole double throw switch K1 are thrown to first position, Audio signal respectively enters the power amplifier of high frequency characteristics and the power amplifier of low frequency characteristic after being divided by interior frequency divider.