CN209419811U - Wireless sound box circuit and wireless sound box - Google Patents
Wireless sound box circuit and wireless sound box Download PDFInfo
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- CN209419811U CN209419811U CN201821709327.6U CN201821709327U CN209419811U CN 209419811 U CN209419811 U CN 209419811U CN 201821709327 U CN201821709327 U CN 201821709327U CN 209419811 U CN209419811 U CN 209419811U
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Abstract
The utility model relates to a kind of wireless sound box circuit and wireless sound boxes, and module wireless receiving plays source signal by wireless communication, and power amplifier processing module can be handled source signal is played.Meanwhile by bass boost module so that power amplifier processing module can handle the high frequency intermediate frequency low frequency three parts played in source signal, and by frequency division module will treated broadcasting source signal by being played out respectively by high pitch power amplifier module and bass power amplifier module.Based on this, so that wireless sound box circuit can handle low frequency signal, to promote the level of sound quality of wireless sound box.
Description
Technical field
The utility model relates to speaker technology fields, more particularly to a kind of wireless sound box circuit and wireless sound box.
Background technique
With the increasingly development of active audio amplifier, the function of active audio amplifier is also more and more abundant.Wherein, as active audio amplifier
One kind, wireless sound box is because its convenience obtains the favor of more and more users.However, in traditional wireless sound box, due to
The considerations of taking into account battery durable ability, wireless sound box are often difficult to handle bass well, cause bass effect difference or missing, hence it is evident that
Affect the sound quality of wireless sound box.
Utility model content
Based on this, it is necessary to which in traditional wireless sound box, power amplifier only includes the processing of Hi-Mid part, lacks to low
The problem of processing of frequency signal, the missing of bass has significantly affected the sound quality of wireless sound box, provide a kind of wireless sound box circuit and
Wireless sound box.
A kind of wireless sound box circuit, including wireless communication module, power amplifier processing module, bass boost module, frequency division module,
High pitch power amplifier module and bass power amplifier module；
Power amplifier processing module is separately connected wireless communication module, bass boost module and frequency division module；
Frequency division module is separately connected high pitch power amplifier module and bass power amplifier module.
It in one of the embodiments, further include well-balanced adjustment module；
Well-balanced adjustment module connects power amplifier processing module.
It in one of the embodiments, further include pre-processing module；
Wireless communication module connects power amplifier processing module by pre-processing module.
It in one of the embodiments, further include human-computer interaction module；
Human-computer interaction module connects wireless communication module.
It in one of the embodiments, further include auxiliary input module；
Auxiliary input module connects wireless communication module.
It in one of the embodiments, further include power module；
Power module is separately connected wireless communication module and power amplifier processing module.
It in one of the embodiments, further include the first simulation input interface；
Pre-processing module is used to access the first analog signal by the first simulation input interface.
Auxiliary input module includes USB interface, the second simulation input interface and wireless radio reception in one of the embodiments,
Unit；
Wireless communication module is separately connected USB interface, the second simulation input interface and wireless radio unit.
Power module includes charhing unit, energy-storage units, adaptation unit and voltage regulation unit in one of the embodiments,；
Charhing unit is separately connected energy-storage units and adaptation unit；
Voltage regulation unit is separately connected energy-storage units, adaptation unit, wireless communication module and power amplifier processing module.
A kind of wireless sound box, it is electric including sound box and the above-mentioned wireless sound box that sound box inner space is arranged in
Road.
Above-mentioned wireless sound box circuit and wireless sound box, module wireless receiving plays source signal, power amplifier by wireless communication
Processing module can be handled source signal is played.Meanwhile by bass boost module, broadcast so that power amplifier processing module can be handled
Put the high frequency intermediate frequency low frequency three parts in source signal, and by the way that frequency division module will treated plays source signal by passing through respectively
High pitch power amplifier module and bass power amplifier module play out.Based on this, so that wireless sound box circuit can handle low frequency signal, to mention
Rise the level of sound quality of wireless sound box.
Detailed description of the invention
Fig. 1 is the wireless sound box circuit modular structure figure of an embodiment；
Fig. 2 is the wireless sound box circuit modular structure figure of another embodiment；
Fig. 3 is the wireless sound box circuit modular structure figure of a further embodiment；
Fig. 4 is the wireless sound box circuit modular structure figure of another embodiment.
Specific embodiment
The purpose of this utility model, technical solution and technical effect in order to better understand, below in conjunction with attached drawing and reality
It applies example and further explaining illustration is carried out to the utility model.It states simultaneously, embodiments described below is only used for explaining this
Utility model is not used to limit the utility model.
The utility model embodiment provides a kind of wireless sound box circuit:
Fig. 1 is the wireless sound box circuit modular structure figure of an embodiment, as shown in Figure 1, the wireless sound of an embodiment
Case circuit includes wireless communication module 100, power amplifier processing module 101, bass boost module 102, frequency division module 103, high pitch function
Amplification module 104 and bass power amplifier module 105；
Power amplifier processing module 101 is separately connected wireless communication module 100, bass boost module 102 and frequency division module 103；
Wherein, wireless communication module 100 receives the broadcasting source signal of external equipment transmission for mode by wireless communication.
Wherein, wireless communication module 100 includes bluetooth communication, 2.4G communication module or WIFI communication module etc..Radio communication mold
Block 100 will play source signal and be sent to power amplifier processing module 101 after receiving broadcasting source signal.Wherein, wireless communication module
100 connection power amplifier processing modules 101, i.e., there are data transmission channel between wireless communication module 100 and power amplifier processing module 101,
The data that wireless communication module 100 receives can be transmitted to power amplifier processing module 101 by the data transmission channel.As one
AC69 Bluetooth chip can be selected in a preferably embodiment, wireless communication module 100, in order to wireless communication module 100 for
The expansion of data acquiring mode.
Wherein, power amplifier processing module 101 is used to handle broadcasting source signal, obtains power amplifier signal, makes high pitch power amplifier
Module 104 and bass power amplifier module 105 can play out power amplifier signal.Wherein, digital function can be selected in power amplifier processing module 101
Put chip or analog amplifier circuit.Meanwhile bass boost module 102 is used to be promoted low frequency portion when handling broadcasting source signal
The sound quality expression effect divided.Wherein, low pitch economize on electricity road or bass bossting circuit can be selected in bass boost module 102.
In one of the embodiments, as shown in Figure 1, the wireless sound box circuit of an embodiment further includes well-balanced adjustment mould
Block 106；
Well-balanced adjustment module 106 connects power amplifier processing module 101.
Wherein, it is adjusted in the broadcasting source signal that power amplifier processing module 101 is handled respectively for well-balanced adjustment module 106 can be passed through
The amplification quantity of frequency band signals.Balanced device can be selected as preferably embodiment, a well-balanced adjustment module 106.
Power amplifier processing module 101 is realized as preferably embodiment, an optional TPA3116 digital power amplifier chip
Function can be convenient for the realization of bass boost.Meanwhile lower power consumption can be realized using TPA3116 digital power amplifier chip, guarantee low
Handle the bass part of wireless sound box under conditions of power consumption well.
Frequency division module 103 is separately connected high pitch power amplifier module 104 and bass power amplifier module 105.
Wherein, power amplifier processing module 101 will be in power amplifier signal to 103 output work discharge signal of frequency division module, frequency division module 103
Signal higher than predeterminated frequency is played out by high pitch power amplifier module 104, and the signal that will be less than predeterminated frequency passes through bass function
Amplification module 105 plays out.
In one of the embodiments, as shown in Figure 1, high pitch power amplifier module 104 includes two high-pitched speakers, bass power amplifier
Module 105 includes two woofers.It is low as preferably embodiment, a high-pitched speaker for 1 inch of high-pitched speaker selection
Sound loudspeaker select 5.25 inches of woofer, to improve the sound pressure level and sound quality quality of wireless sound box.
In one of the embodiments, as shown in Figure 1, the wireless sound box circuit of an embodiment further includes sending and receiving antenna
107；
Sending and receiving antenna 107 connects wireless communication module 100.
Wireless communication module 100 is realized by sending and receiving antenna 107 and peripheral apparatus and is wirelessly communicated.One embodiment wherein
In, 107 selection work frequency range of sending and receiving antenna is the antenna of 2402MHz-2480MHz.
Fig. 2 is the wireless sound box circuit modular structure figure of another embodiment in one of the embodiments, such as Fig. 2 institute
Show, the wireless sound box circuit of another embodiment further includes human-computer interaction module 200；
Human-computer interaction module 200 connects wireless communication module 100.
Wherein, human-computer interaction module 200 is used to carry out human-computer interaction with user, acquires the operation information of user to generate people
Machine interactive instruction.Human-machine interactive information can be sent to human-computer interaction module 200 by wireless communication module 100, so that human-computer interaction
Module 200 carries out human-computer interaction according to human-machine interactive information and user；Wireless communication module 100 also can receive human-computer interaction and refer to
It enables, human-computer interaction instruction is transmitted to each circuit module being connected with wireless communication module 100, so that each circuit module can
It passes sequentially through wireless communication module 100 and human-computer interaction module 200 and user realizes human-computer interaction.
Human-computer interaction module 200 includes display device and key module in one of the embodiments,.
Wherein, display device can be according to for showing human-machine interactive information.As a preferably embodiment, device packet
Tri coloured lantern and charactron are included, by the display of tri coloured lantern and charactron, shows to user and is connected with wireless communication module 100
The working condition of each circuit module.
Wherein, key module includes several keys, can be used for acquiring the operation information of user's operation key generation, with life
At man-machine interactive instruction.
In one of the embodiments, as shown in Fig. 2, the wireless sound box circuit of another embodiment further includes prime processing
Module 201；
Wireless communication module 100 connects power amplifier processing module 101 by pre-processing module 201.
Wherein, pre-processing module 201 connects wireless communication module 100, receives the broadcasting that wireless communication module 100 is sent
Source signal, and source signal will be played and carry out prime processing, including signal enhanced processing or filtering processing.Meanwhile prime handles mould
Block 201 can will through prime treated play source signal be transmitted to power amplifier processing module 101.Before in one of the embodiments,
Amplifying circuit or signal amplification chip can be selected in grade processing module 201.
In one of the embodiments, as shown in Fig. 2, the wireless sound box circuit of another embodiment further includes the first simulation
Input interface 202；
Pre-processing module 201 is used to access the first analog signal by the first simulation input interface 202.
Wherein, after pre-processing module 201 receives the first analog signal, prime processing is carried out to the first analog signal, and
It will treated that the first analog signal is sent to power amplifier processing module 101 through prime.As a preferably embodiment, first
6.3MIC input interface can be selected in simulation input interface 202, for accessing microphone signal, to expand high pitch power amplifier module 104
With the source signal range of bass power amplifier module 105.
Fig. 3 is the wireless sound box circuit modular structure figure of a further embodiment in one of the embodiments, such as Fig. 3 institute
Show, the wireless sound box circuit of a further embodiment further includes auxiliary input module 300；
Auxiliary input module 300 connects wireless communication module 100.
Wherein, auxiliary input module 300 is for receiving auxiliary play signal, and module 100 and power amplifier by wireless communication
Auxiliary play signal is transmitted to power amplifier processing module 101 by 101 transmission channels of processing module.
Auxiliary input module 300 includes USB interface, the second simulation input interface and wireless in one of the embodiments,
Radio unit；
Wireless communication module 100 is separately connected USB interface, the second simulation input interface and wireless radio unit.
Wherein, USB interface receives the USB signal that external USB equipment is sent for connecting external USB equipment.
Wherein, the second simulation input interface is for accessing the second analog signal.
Wherein, after wireless communication module 100 receives the second analog signal, the second analog signal is sent to power amplifier processing mould
Block 101.RCA input interface can be selected as preferably embodiment, a second simulation input interface, for accessing audio letter
Number, to expand the source signal range of high pitch power amplifier module 104 and bass power amplifier module 105.
Wherein, wireless radio unit is for receiving wireless reception signals.Wireless radio unit in one of the embodiments,
FM radio reception circuit can be selected.
Fig. 4 is the wireless sound box circuit modular structure figure of another embodiment in one of the embodiments, such as Fig. 4 institute
Show, the wireless sound box circuit of another embodiment further includes power module 400；
Power module 400 is separately connected wireless communication module 100 and power amplifier processing module 101.
Wherein, power module 400 can be used for powering to wireless communication module 100 and power amplifier processing module 101, or according to outer
The power supply of portion's power supply is powered to wireless communication module 100 and power amplifier processing module 101.
Power module 400 includes charhing unit, energy-storage units, adaptation unit and pressure stabilizing list in one of the embodiments,
Member；
Charhing unit is separately connected energy-storage units and adaptation unit；
Voltage regulation unit is separately connected energy-storage units, adaptation unit, wireless communication module 100 and power amplifier processing module 101.
Wherein, charhing unit can be used for being charged according to external power supply to energy-storage units.Energy-storage units can be according to itself
Electric power storage power to wireless communication module 100 and power amplifier processing module 101.Energy-storage units are optional in one of the embodiments,
With the lead-acid battery of 18V4500mAh, to improve the endurance of wireless sound box circuit.
Wherein, adaptation unit can access external power supply by charhing unit, and according to external power supply to wireless communication module
100 and power amplifier processing module 101 power.Adapter circuit can be selected as preferably embodiment, an adaptation unit.
Wherein, voltage regulator circuit is used to access the power supply of external power supply or energy-storage module, according to external power supply or energy-storage module
Power supply power to wireless communication module 100 and power amplifier processing module 101.Wherein, voltage regulator circuit can be wireless communication module 100
Different size of supply voltage is provided with power amplifier processing module 101.Specifically, voltage regulator circuit can be defeated for wireless communication module 100
The supply voltage of 5V out exports the supply voltage of 24V for power amplifier processing module 101.
The embodiment of the present invention also provides a kind of wireless sound box:
A kind of wireless sound box, including sound box and be arranged in sound box inner space such as above-mentioned any embodiment
Wireless sound box circuit.
Wherein, plastic box or wooden case can be selected in sound box, horizontal with the tone color for improving wireless sound box.
Above-mentioned wireless sound box circuit and wireless sound box, 100 wireless receiving of module plays source signal, function by wireless communication
Putting processing module 101 can be handled source signal is played.Meanwhile by bass boost module 102, so that power amplifier handles mould
Block 101 can handle the high frequency intermediate frequency low frequency three parts played in source signal, and will treated broadcast source by frequency division module 103
Signal by high pitch power amplifier module 104 and bass power amplifier module 105 by being played out respectively.Based on this, so that wireless sound box
Circuit can handle low frequency signal, to promote the level of sound quality of wireless sound box.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of wireless sound box circuit, which is characterized in that including wireless communication module, power amplifier processing module, bass boost module,
Frequency division module, high pitch power amplifier module and bass power amplifier module；
The power amplifier processing module is separately connected the wireless communication module, the bass boost module and the frequency division module；
Wherein, the wireless communication module plays source signal for receiving, and the broadcasting source signal is sent to power amplifier processing module；Institute
Power amplifier processing module is stated for handling the broadcasting source signal, obtains power amplifier signal；The bass boost module is used for
It is promoted to the sound quality expression effect for playing low frequency part when source signal is handled；
The frequency division module is separately connected the high pitch power amplifier module and bass power amplifier module；Wherein, the high pitch power amplifier module
It is used to play the power amplifier signal with bass power amplifier module.
2. wireless sound box circuit according to claim 1, which is characterized in that further include well-balanced adjustment module；
The well-balanced adjustment module connects the power amplifier processing module.
3. wireless sound box circuit according to claim 1, which is characterized in that further include pre-processing module；
The wireless communication module connects the power amplifier processing module by the pre-processing module.
4. wireless sound box circuit according to claim 1, which is characterized in that further include human-computer interaction module；
The human-computer interaction module connects the wireless communication module.
5. wireless sound box circuit according to claim 1, which is characterized in that further include auxiliary input module；
The auxiliary input module connects the wireless communication module.
6. wireless sound box circuit according to claim 1, which is characterized in that further include power module；
The power module is separately connected the wireless communication module and the power amplifier processing module.
7. wireless sound box circuit according to claim 3, which is characterized in that further include the first simulation input interface；
The pre-processing module is used to access the first analog signal by the first simulation input interface.
8. wireless sound box circuit according to claim 5, which is characterized in that the auxiliary input module include USB interface,
Second simulation input interface and wireless radio unit；
The wireless communication module is separately connected the USB interface, the second simulation input interface and the wireless radio reception list
Member.
9. wireless sound box circuit according to claim 6, which is characterized in that the power module includes charhing unit, storage
It can unit, adaptation unit and voltage regulation unit；
The charhing unit is separately connected the energy-storage units and the adaptation unit；
The voltage regulation unit is separately connected the energy-storage units, the adaptation unit, the wireless communication module and the power amplifier
Processing module.
10. a kind of wireless sound box, which is characterized in that including sound box and be arranged in sound box inner space such as right
It is required that wireless sound box circuit described in 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821709327.6U CN209419811U (en) | 2018-10-22 | 2018-10-22 | Wireless sound box circuit and wireless sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821709327.6U CN209419811U (en) | 2018-10-22 | 2018-10-22 | Wireless sound box circuit and wireless sound box |
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| Publication Number | Publication Date |
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| CN209419811U true CN209419811U (en) | 2019-09-20 |
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ID=67932765
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821709327.6U Active CN209419811U (en) | 2018-10-22 | 2018-10-22 | Wireless sound box circuit and wireless sound box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556405A (en) * | 2020-04-09 | 2020-08-18 | 北京金茂绿建科技有限公司 | Power amplifier chip and electronic equipment |
| CN112941677A (en) * | 2021-01-29 | 2021-06-11 | 河南光远新材料股份有限公司 | Twisting machine voltage frequency division control method |
-
2018
- 2018-10-22 CN CN201821709327.6U patent/CN209419811U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556405A (en) * | 2020-04-09 | 2020-08-18 | 北京金茂绿建科技有限公司 | Power amplifier chip and electronic equipment |
| CN111556405B (en) * | 2020-04-09 | 2021-10-19 | 北京金茂绿建科技有限公司 | Power amplifier chip and electronic equipment |
| CN112941677A (en) * | 2021-01-29 | 2021-06-11 | 河南光远新材料股份有限公司 | Twisting machine voltage frequency division control method |
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