CN207460455U - A kind of unlimited relay-type sound equipment - Google Patents
A kind of unlimited relay-type sound equipment Download PDFInfo
- Publication number
- CN207460455U CN207460455U CN201721236284.XU CN201721236284U CN207460455U CN 207460455 U CN207460455 U CN 207460455U CN 201721236284 U CN201721236284 U CN 201721236284U CN 207460455 U CN207460455 U CN 207460455U
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- China
- Prior art keywords
- wireless
- sound equipment
- relay
- unlimited
- type sound
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of unlimited relay-type sound equipment, including shell, power supply module, circuit board, antenna plate, loudspeaker unit.The unlimited relay-type sound equipment carries out the broadcasting of music, and the voice data that can will be received based on reception of wireless signals voice data, and relaying transmission is carried out based on wireless signal, to achieve the purpose that infinitely to relay, has good practicability.
Description
Technical field
The utility model is related to arrive field of audio, and in particular to a kind of unlimited relay-type sound equipment.
Background technology
Wireless technology has penetrated into the every aspect of life now, and the sound equipment of family uses wired connection side more at present
Formula, the limitation based on wired connection, the limited amount of sound equipment, and the placement position of sound equipment are limited by wire rod, it is necessary to connect up, and are made
With more troublesome.
Some sound equipment uses radio connection, but it is all to pass through a little that existing wireless transmission sound equipment is most of
The mode and source of sound of point are attached, and the connection of source of sound is also to have the upper limit, it is impossible to it is unlimited to expand in the state of single-tone source
Open up sound equipment quantity.
Therefore, it is necessary to one kind under the state of single-tone source, easily install, and from the sound equipment of quantity limitation.
Utility model content
In order to overcome described problem, the utility model provides a kind of unlimited relay-type sound equipment, which is based on wireless signal
It receives audio signal to play out, and received audio signal can be forwarded to based on wireless signal, reach unlimited
The purpose of extension has good practicability.
The utility model provides a kind of unlimited relay-type sound equipment, including shell, power supply module, circuit board, antenna plate, loudspeaker
Unit and wireless module；
The shell is box like structure, and the loudspeaker unit is mounted on a side plate of the shell；
The circuit board is fixed in the shell inner cavity, electric power management circuit is disposed on the circuit board, digital-to-analogue turns
Change circuit and power amplifier；The electric power management circuit is electric with the power supply module, the wireless module and the power amplifier respectively
Road is attached；The output terminal of the power amplifier is connected with the loudspeaker unit；
The wireless module includes the wireless receiver being arranged on the circuit board and wireless transmitter and is fixed on
Antenna plate above the shell inner cavity；
The antenna plate is installed on the inner wall of one side plate of shell；The wireless receiver and wireless transmitter point
It is not connected with the antenna plate；
The wireless receiver has two-way output terminal, wherein the output terminal is connected with the wireless transmitter all the way,
The input terminal of another described output terminal and power amplifier connects.
The power supply module is accumulator, and the accumulator is fixed on the bottom of shell inner cavity, the accumulator and institute
State electric power management circuit connection.
The power supply module is transformer, the electric main that the transformer input is 220V, and output is straight for 5V after transformation
Galvanic electricity pressure.
Between the wireless receiver and the wireless transmitter, it is provided with and is turned based on the strong and weak control folding of wireless signal
Hair switch；When wireless signal is more than given threshold signal strength, the forwarding switch disconnects；When wireless signal is less than setting threshold
During value signal intensity, the forwarding switch is closed.
Comparator is also equipped on the circuit board；The wireless signal and the threshold signal are respectively connected to comparator
Input terminal, the control terminal of the output terminal access forwarding switch of comparator.
A kind of unlimited relay-type sound equipment provided by the utility model is based on wireless signal by sound equipment itself and carries out audio letter
Number reception and forwarding, to achieve the purpose that infinite expanding, have good practicability.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 shows the structure diagram of the unlimited relay-type sound equipment of the utility model embodiment；
Fig. 2 shows the circuit diagram of the unlimited relay-type sound equipment of the utility model embodiment.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 shows the three-dimensional structure perspective view of the utility model embodiment, and Fig. 2 shows the electricity of the utility model embodiment
Road connection diagram.The unlimited relay-type sound equipment that the utility model embodiment provides, including
Shell 1, the shell 1 of the utility model embodiment is box like structure, in specific implementation, in order to enhance the practicality of sound equipment
Property, on shell 1, except leaving power supply source line or supplying the aperture that charging interface passes through and the speaker hole installed for loudspeaker unit,
Any hole is not set on shell, to realize dust-proof and anti-spilling function；Meanwhile it is typically carried out in family using sound equipment by source of sound
The operations such as volume, switching song, therefore, are considered based on practicability, control button are not provided on shell；On the other hand, due to this
Utility model embodiment is communicated using wireless signal, if shell is all metal, the wireless module positioned at shell inner cavity will
It can not communicate；In order to avoid wireless signal is stopped, enclosure material cannot be all metal, at least partly using nonmetallic
Material, such as plastics, glass nonmetallic materials or be provided with one pass through shell signal antenna；
Power supply module, in specific implementation, power supply module shows actual demand, may be configured as accumulator 2 and powers or power supply straight cutting
Power supply；When being powered using accumulator 2, accumulator is fixed on 1 intracavity bottom of shell；When power supply straight cutting is used to power, it is based on
The alternating current of 220V, it is necessary to is converted into the power supply of the voltage progress circuit board of 5V or so by security consideration through transformer；
Wireless module, the wireless module include arrangement wireless receiver on circuit boards and wireless transmitter and solid
The antenna plate 5 being scheduled on above 1 inner cavity of housing；Wireless receiver is used to receive the audio signal that source of sound is sent based on wireless mode,
In view of family's use environment, wireless mode uses WIFI communication modes more；In view of the transmission of WIFI is substantially analog signal biography
Defeated, therefore, digital audio and video signals, which need to pass through modulation and demodulation, could be used to send and receive；Wireless transmitter has audio signal
Modulation and sending function, wireless receiver have audio signal reception and demodulation function.The nothing of the utility model embodiment
The wherein output connection all the way of line transmitter and wireless receiver, for the voice data that wireless receiver is forwarded to receive；Base
In signal strength degree, when the signal that sound equipment receives is greater than or equal to the threshold intensity of setting, show the sound equipment and transmitting
The equipment (equipment can be source of sound or the sound equipment of another frame the utility model embodiment) of signal is closer to the distance；When signal is less than
During the threshold intensity of setting, show the sound equipment with emit signal equipment (equipment can be source of sound or another this practicality of frame newly
The sound equipment of type embodiment) it is distant, it is necessary to carry out audio signal forwarding.Consider in view of hardware longevity, it is big in signal strength
When given threshold, without the forwarding of audio signal；It the wireless transmitter of the utility model embodiment and wirelessly connects
Between receiving device, the forwarding switch judged based on signal strength, when signal strength is greater than or equal to the threshold value of setting, forwarding are accessed
Switch disconnects；But when signal strength is less than the threshold value set, forwarding switch is closed, and audio signal is switched through forwarding from wireless receiving
Device is transmitted to radio transmitter, and the audio signal that radio transmitter will receive after modulated, is sent out based on wireless mode
It send；
In specific implementation, have more integrated WIFI chips 4 at present and use for reference, in order to reduce the difficulty of circuit design
Degree and the volume for reducing circuit board, WIFI chips select embedded WIFI module；Embedded Wi-Fi module, built-in Wi-Fi drive
Dynamic and agreement, interface are general MCU interfaces such as UART etc., are particularly suitable for all kinds of smart homes or Intelligent hardware list product.
Wireless receiver and wireless transmitter are integrated in WIFI chips, forwarding switch can be controlled by comparing device, will be default
Threshold value and WIFI receivers two paths of signals are inputted from comparator both ends, and comparator is believed according to magnitude relationship output for 0 or 1 number
Number, and forwarding is controlled to switch on-off.
Circuit board 3 is disposed with D/A converting circuit, power amplifier and electric power management circuit on circuit board 3；Power supply module connects
It is connected on the input terminal of electric power management circuit, electric power management circuit is responsible for wireless module, power amplifier and D/A converting circuit
Power supply；.
The input terminal of the connection of output all the way of D/A converting circuit input terminal and wireless transmitter, output terminal and power amplifier
Connection；Power amplifier output terminal is attached with loudspeaker unit；The audio signal demodulated through wireless receiver is put through power amplifier
After big, loudspeaker unit sounding is driven；
Loudspeaker unit 6, the loudspeaker unit 6 are mounted on the speaker hole of shell side plate.
In specific running, the WIFI signal that source of sound fixes SSID by one carries out the transmission of audio signal, then this practicality
The unlimited relay-type sound equipment of new embodiment is based on wireless receiver and receives the audio signal, then passes through the audio signal
It is exported respectively from output terminal one and output terminal two after demodulation；Wherein output terminal is connected once forwarding switch with wireless transmitter, when
When the WIFI signal intensity is less than the threshold value set, forwarding switch is closed, and wireless transmitter is based on after modulates audio signals
Identical SSID carries out the relaying of WIFI signal in the form of WIFI signal；Audio signal is from output terminal two through D/A converting circuit
Afterwards, access and the input terminal of power amplifier, after power amplifier amplifies audio signal, driving loudspeaker unit carries out sounding.
The unlimited relay-type sound equipment that the utility model embodiment provides carries out the transmission of audio signal based on wireless signal,
And pass through the relay forwarding that the wireless transmitter on sound equipment carries out wireless signal, to expand the scope of wireless signal covering；Sound equipment
Itself be both wireless signal receive source and and wireless signal emission source, can infinitely carry out the extension of sound equipment quantity；It is logical
It crosses single source of sound an infinite number of sound equipment can be realized and be played simultaneously, there is good practicability.
A kind of unlimited relay-type sound equipment provided above the utility model embodiment is described in detail, herein
Specific case is applied to be set forth the principle and embodiment of the utility model, the explanation of above example is only intended to
Help understands the method and its core concept of the utility model；Meanwhile for those of ordinary skill in the art, according to this practicality
New thought, there will be changes in specific embodiments and applications, in conclusion this specification content should
It is interpreted as the limitation to the utility model.
Claims (5)
1. a kind of unlimited relay-type sound equipment, which is characterized in that including shell, power supply module, circuit board, antenna plate, loudspeaker unit
And wireless module；
The shell is box like structure, and the loudspeaker unit is mounted on a side plate of the shell；
The circuit board is fixed in the shell inner cavity, and electric power management circuit, digital-to-analogue conversion electricity are disposed on the circuit board
Road and power amplifier；The electric power management circuit respectively with the power supply module, the wireless module and the power amplifier into
Row connection；The output terminal of the power amplifier is connected with the loudspeaker unit；
The wireless module includes the wireless receiver being arranged on the circuit board and wireless transmitter and is fixed on described
Antenna plate above shell inner cavity；
The antenna plate is installed on the inner wall of one side plate of shell；The wireless receiver and wireless transmitter respectively with
The antenna plate connection；
The wireless receiver has two-way output terminal, wherein the output terminal is connected with the wireless transmitter all the way, it is another
The input terminal of a output terminal and power amplifier connects.
2. relay-type sound equipment as described in claim 1 unlimited, which is characterized in that the power supply module is accumulator, the storage
Battery is fixed on the bottom of shell inner cavity, and the accumulator is connected with the electric power management circuit.
3. relay-type sound equipment as described in claim 1 unlimited, which is characterized in that the power supply module is transformer, the change
Depressor inputs the electric main for 220V, and output is 5V DC voltages after transformation.
4. unlimited relay-type sound equipment as described in claim 1, which is characterized in that the wireless receiver and the wireless transmission
Between device, the forwarding switch based on the strong and weak control folding of wireless signal is provided with；When wireless signal is strong more than given threshold signal
When spending, the forwarding switch disconnects；When wireless signal is less than given threshold signal strength, the forwarding switch is closed.
5. unlimited relay-type sound equipment as claimed in claim 4, which is characterized in that be also equipped with comparator on the circuit board；
The wireless signal and the threshold signal are respectively connected to the input terminal of comparator, and the output terminal access forwarding of comparator is opened
The control terminal of pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236284.XU CN207460455U (en) | 2017-09-23 | 2017-09-23 | A kind of unlimited relay-type sound equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236284.XU CN207460455U (en) | 2017-09-23 | 2017-09-23 | A kind of unlimited relay-type sound equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207460455U true CN207460455U (en) | 2018-06-05 |
Family
ID=62284050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721236284.XU Expired - Fee Related CN207460455U (en) | 2017-09-23 | 2017-09-23 | A kind of unlimited relay-type sound equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207460455U (en) |
-
2017
- 2017-09-23 CN CN201721236284.XU patent/CN207460455U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20210923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |