CN110390781A - A kind of sound broadcasting device - Google Patents
A kind of sound broadcasting device Download PDFInfo
- Publication number
- CN110390781A CN110390781A CN201910750095.1A CN201910750095A CN110390781A CN 110390781 A CN110390781 A CN 110390781A CN 201910750095 A CN201910750095 A CN 201910750095A CN 110390781 A CN110390781 A CN 110390781A
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- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000013500 data storage Methods 0.000 claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims description 54
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 206010034133 Pathogen resistance Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
- G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
Abstract
The embodiment of the invention discloses a kind of sound broadcasting devices, which is characterized in that including main control chip, speech chip, battery supply, data storage, clock circuit, signal picker, power amplifier, communication module；Wherein, the main control chip is connected with the speech chip, battery supply, data storage, signal picker, communication module respectively, and the power amplifier is connected with the speech chip.A kind of sound broadcasting device of the present invention, the vehicle of all installation phonetic alarms within the scope of 1000 meters is notified using remote-wireless, and using simple, push to talk is known, voice broadcast；Convenient for placing the suggestion devices such as triangle brand, inside is powered using battery, standby long using the time.
Description
Technical field
The present embodiments relate to communication technique fields, and in particular to a kind of remote speech broadcast device.
Background technique
Motor vehicle is when high speed uplink is driven out to existing accident, since the upper vehicle running speed of high speed is fast, when placing triangle brand
It is easy to appear second accident and life safety, reminds rear car effect not to be very well, warning effect is not strong.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of sound broadcasting device, to solve in the prior art since motor vehicle is in height
Fast running cannot see the problem of driving safety caused by alarming triangle in time in speed.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
The embodiment of the present invention provides a kind of sound broadcasting device, which is characterized in that including main control chip, speech chip, electricity
Pond power supply, data storage, clock circuit, signal picker, power amplifier, communication module；Wherein, the main control chip point
Be not connected with the speech chip, battery supply, data storage, signal picker, communication module, the power amplifier with
The speech chip is connected.
Further, the data storage include erasable serial storage chip U1, polar capacitor E1, capacitor C4,
C5, resistance R1, R2, the storage chip pass through resistance R1, R2 and 3.3V power electric connection, the ground connection of the storage chip
Interface passes through the polar capacitor E1, capacitor C4, C5 and 3.3V power electric connection.
Further, the clock circuit includes clock chip U2, crystal oscillator Y1, capacitor C1, C2, C3, resistance R3, diode
The pin 1 and 2 of D1, B3, button cell BT1, the clock chip are contacted by described capacitor C1, C2, and the one of the crystal oscillator Y1
It terminates between the pin 1 and capacitor C1 of the clock chip U2, another pin 2 and capacitor for terminating at the clock chip U2
Between C2, by capacitor C3 and 3.3V power electric connection, the button cell BT1 passes through described the pin 4 of the clock chip
Resistance R3 is electrically connected with the pin 8 of the clock chip, and the resistance R3 is in parallel with the diode D1, and the 3.3V power supply is logical
The diode B3 is crossed to be electrically connected with the pin 8 of the clock chip.
Further, the signal picker include signal amplification chip U12, rheostat P1, resistance R17, R18, R19,
R20, capacitor C28, C29；The pin 4 of the signal amplification chip U12 is grounded by capacitor C28, and pin 7 is connect by capacitor C29
Ground, pin 1 are connect by the rheostat P1 with pin 8, and pin 2 is grounded by R17, and pin 3 is connect with resistance R19, pin 6
Pin 6 is connect with pin 20 to be grounded by series resistance R17, R18.
Further, power amplifier includes power amplifier chip U, the pin 4 and institute's predicate of the power amplifier chip U
The connection of sound chip.
Further, the power circuit includes voltage conversion circuit and power supply circuit；The voltage conversion circuit includes
Voltage conversion chip U4, polar capacitor E5, E6, capacitor C8, C9, light emitting diode D3, resistance R9, the voltage conversion chip U4
Pin 3 by shunt capacitance C9, E5 be grounded, the pin 2 or 4 by shunt capacitance C8, E6 be grounded, the pin 2 or 4 lead to
Cross resistance R9, light emitting diode D3 ground connection；The power supply circuit includes power supply chip U3, polar capacitor E2, E3, E4, resistance R4,
R5, R6, R7, R8, capacitor C6, C7, zener diode D2, inductance L1, triode Q1, panel-switch Q2；The power supply chip U3
Pin 2 and grounding pin between shunt regulator diode D2, polar capacitor E3, capacitor C7, inductance L1 with by E3, C7 group
At circuit in series, series capacitance E4 and C6, the pin 1 pass through between the pin 1 and grounding pin of the power supply chip U3
Panel-switch Q2 resistance R8 is connected with the collector of the triode Q1, in parallel between the triode Q1 transmitter and collector
Capacitor E2 and resistance R5, between the triode Q1 emitter and base stage connect resistance R4, the base stage by series resistance R6,
R7 is connect with 3.3V power supply.
It further, further include key module, indicator light.
The embodiment of the present invention has the advantages that
A kind of sound broadcasting device of the present invention, all installation languages within the scope of 1000 meters are notified using remote-wireless
The vehicle of sound alarm, using simple, push to talk is known, voice broadcast；Convenient for placing the suggestion devices such as triangle brand, inside is using electricity
Pond power supply, it is standby long using the time.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.
Fig. 1 is a kind of sound broadcasting device structural schematic block diagram that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of sound broadcasting device storage module circuit schematic that the embodiment of the present invention 1 provides；
Fig. 3 is a kind of circuit diagram for sound broadcasting device clock circuit that the embodiment of the present invention 1 provides；
Fig. 4 is a kind of circuit diagram for sound broadcasting device signal acquisition electric appliance that the embodiment of the present invention 1 provides；
Fig. 5 is a kind of circuit diagram for sound broadcasting device power amplifier that the embodiment of the present invention 1 provides；
Fig. 6 is a kind of circuit diagram for sound broadcasting device power circuit that the embodiment of the present invention 1 provides；
Fig. 7 is a kind of schematic diagram in kind for sound broadcasting device that the embodiment of the present invention 1 provides.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It is a kind of sound broadcasting device structural schematic block diagram that the embodiment of the present invention 1 provides referring to Fig. 1, which is characterized in that
Including main control chip, speech chip, battery supply, data storage, clock circuit, signal picker, power amplifier, communication
Module；Wherein, the main control chip respectively with the speech chip, battery supply, data storage, signal picker, communication
Module is connected, and the power amplifier is connected with the speech chip.
Alternative embodiment of the present invention further includes key module, indicator light.Above-mentioned battery supply also with speech chip, data
Memory, clock circuit, signal picker, power amplifier, communication module are separately connected, which belongs to existing skill
Art is not shown in the figure.
Above-mentioned main control chip uses STM32F103 family chip, and speed is fast, and the reaction time is fast；Battery supply is using lithium electricity
Pond 3.7V2000ma H rechargeable battery, battery energy storage is big, long service life, super long standby time；Communication module wirelessly connects using 433
Module is transmitted and received, antenna, long transmission distance, strong antijamming capability are carried；Speech chip, using the voice core of model BY8001
Piece, inside include storage chip, are up to 32G, storaged voice packet and related data, are carried out by single-chip microcontroller to speech chip
The casting of voice, the functions such as voice switching and pause casting, the voice packet in storage is handled and is calculated, then defeated again
Out；Contain 2 keys；Machine open/close, receiving/transmission send 1/ transmission 2, volume adjustment knob；Signal picker acquires battery
Electricity, automatic shutdown when low-voltage；The signal of signal picker output is subjected to power amplification, in output to loudspeaker are extended out, is sent out
Sound out.
It referring to fig. 2, is a kind of sound broadcasting device storage module circuit schematic of the offer of the embodiment of the present invention 1, it is described
Data storage includes erasable serial storage chip U1, polar capacitor E1, capacitor C4, C5, resistance R1, R2, the storage
Chip passes through the polar capacitor by resistance R1, R2 and 3.3V power electric connection, the ground interface of the storage chip
E1, capacitor C4, C5 and 3.3V power electric connection.
Preferably, the serial storage chip U1 of above-mentioned erasing uses AT24C series FLASH memory module, by internal data
Carrying out storage prevents from losing.
It is a kind of circuit diagram for sound broadcasting device clock circuit that the embodiment of the present invention 1 provides, institute referring to Fig. 3
Stating clock circuit includes clock chip U2, crystal oscillator Y1, capacitor C1, C2, C3, resistance R3, diode D1, B3, button cell BT1,
The pin 1 and 2 of the clock chip is contacted by described capacitor C1, C2, clock chip described in an end Jie of the crystal oscillator Y1
Between the pin 1 and capacitor C1 of U2, between another pin 2 and capacitor C2 for terminating at the clock chip U2, the clock core
The pin 4 of piece passes through the resistance R3 and the clock core by capacitor C3 and 3.3V power electric connection, the button cell BT1
The pin 8 of piece is electrically connected, and the resistance R3 is in parallel with the diode D1, and the 3.3V power supply passes through the diode B3 and institute
The pin 8 for stating clock chip is electrically connected.
Preferably, above-mentioned clock chip U2 uses pcf8563 clock chip, and accuracy of timekeeping is high.
It referring to fig. 4, is a kind of circuit theory for sound broadcasting device signal acquisition electric appliance that the embodiment of the present invention 1 provides
Figure, the signal picker include signal amplification chip U12, rheostat P1, resistance R17, R18, R19, R20, capacitor C28,
C29；The pin 4 of the signal amplification chip U12 is grounded by capacitor C28, and pin 7 is grounded by capacitor C29, and pin 1 passes through
The rheostat P1 is connect with pin 8, and pin 2 is grounded by R17, and pin 3 is connect with resistance R19, and pin 6 is connect with pin 20
Pin 6 is grounded by series resistance R17, R18.
Using ADC acquisition port inside single-chip microcontroller, supply voltage is acquired in real time, by the transmitting analog signal of OP07 processing
Single-chip microcontroller inside ADC acquisition port is given, internal acquisition precision is high, and speed is fast.
It is a kind of circuit diagram for sound broadcasting device power amplifier that the embodiment of the present invention 1 provides referring to Fig. 5,
Power amplifier includes power amplifier chip U, and the pin 4 of the power amplifier chip U is connect with the speech chip.
Power amplifier chip U uses TDA2822 power amplifier chips, and supply voltage range is wide, and Static Electro streamline intermodulation distortion is small；
Loudspeaker is extended out using 3W4 Ω.
It is a kind of circuit diagram for sound broadcasting device power circuit that the embodiment of the present invention 1 provides, institute referring to Fig. 6
Stating power circuit includes voltage conversion circuit and power supply circuit；The voltage conversion circuit includes voltage conversion chip U4, polarity
Capacitor E5, E6, capacitor C8, C9, light emitting diode D3, resistance R9, the pin 3 of the voltage conversion chip U4 pass through shunt capacitance
C9, E5 ground connection, the pin 2 or 4 are grounded by shunt capacitance C8, E6, and the pin 2 or 4 passes through resistance R9, light emitting diode
D3 ground connection；The power supply circuit includes power supply chip U3, polar capacitor E2, E3, E4, resistance R4, R5, R6, R7, R8, capacitor C6,
C7, zener diode D2, inductance L1, triode Q1, panel-switch Q2；The pin 2 of the power supply chip U3 and grounding pin it
Between shunt regulator diode D2, polar capacitor E3, capacitor C7, inductance L1 and the circuit in series being made of described E3, C7, the electricity
Series capacitance E4 and C6 between the pin 1 and grounding pin of source chip U3, the pin 1 pass through panel-switch Q2 resistance R8 and institute
The collector for stating triode Q1 is connected, and shunt capacitance E2 and resistance R5, described between the triode Q1 transmitter and collector
Resistance R4 is connected between triode Q1 emitter and base stage, the base stage is connected by series resistance R6, R7 and 3.3V power supply.
The embodiment of the present invention has the advantages that
A kind of sound broadcasting device of the present invention, all installation languages within the scope of 1000 meters are notified using remote-wireless
The vehicle of sound alarm, using simple, push to talk is known, voice broadcast；Convenient for placing the suggestion devices such as triangle brand, inside is using electricity
Pond power supply, it is standby long using the time.
It is a kind of schematic diagram in kind for sound broadcasting device that the embodiment of the present invention 1 provides, operating procedure referring to Fig. 7
Include:
1, machine open/close: energization Auto Power On, instrument work, codan lamp is bright, and voice broadcast " has been switched on/shut down "
2, transmitting-receiving switching: pressing switching push button, and corresponding indicator light can light, when sending signal, corresponding indicator light flashing,
Booting is defaulted as reception state.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (7)
1. a kind of sound broadcasting device, which is characterized in that including main control chip, speech chip, battery supply, data storage,
Clock circuit, signal picker, power amplifier, communication module；Wherein, the main control chip respectively with the speech chip,
Battery supply, data storage, signal picker, communication module are connected, and the power amplifier is connected with the speech chip.
2. the apparatus according to claim 1, which is characterized in that the data storage includes erasable serial storage core
Piece U1, polar capacitor E1, capacitor C4, C5, resistance R1, R2, the storage chip pass through resistance R1, R2 and 3.3V power supply electricity
Connection, the ground interface of the storage chip pass through the polar capacitor E1, capacitor C4, C5 and 3.3V power electric connection.
3. the apparatus according to claim 1, which is characterized in that the clock circuit includes clock chip U2, crystal oscillator Y1, electricity
Hold C1, C2, C3, resistance R3, diode D1, B3, button cell BT1, the pin 1 and 2 of the clock chip passes through the capacitor
C1, C2 contact, another to terminate at institute between the pin 1 and capacitor C1 of clock chip U2 described in an end Jie of the crystal oscillator Y1
It states between the pin 2 of clock chip U2 and capacitor C2, the pin 4 of the clock chip is electrically connected by capacitor C3 and 3.3V power supply
Connect, the button cell BT1 is electrically connected by the resistance R3 with the pin 8 of the clock chip, the resistance R3 with it is described
Diode D1 is in parallel, and the 3.3V power supply is electrically connected by the diode B3 with the pin 8 of the clock chip.
4. the apparatus according to claim 1, which is characterized in that the signal picker includes signal amplification chip U12, becomes
Hinder device P1, resistance R17, R18, R19, R20, capacitor C28, C29；The pin 4 of the signal amplification chip U12 passes through capacitor C28
Ground connection, pin 7 are grounded by capacitor C29, and pin 1 is connect by the rheostat P1 with pin 8, and pin 2 is grounded by R17,
Pin 3 is connect with resistance R19, and pin 6 connect pin 6 with pin 20 and is grounded by series resistance R17, R18.
5. the apparatus according to claim 1, which is characterized in that power amplifier includes power amplifier chip U, the power
The pin 4 of amplification chip U is connect with the speech chip.
6. the apparatus according to claim 1, which is characterized in that the power circuit includes voltage conversion circuit and power supply
Circuit；The voltage conversion circuit includes voltage conversion chip U4, polar capacitor E5, E6, capacitor C8, C9, light emitting diode D3,
The pin 3 of resistance R9, the voltage conversion chip U4 are grounded by shunt capacitance C9, E5, and the pin 2 or 4 passes through electricity in parallel
Hold C8, E6 ground connection, the pin 2 or 4 is grounded by resistance R9, light emitting diode D3；The power supply circuit includes power supply chip
U3, polar capacitor E2, E3, E4, resistance R4, R5, R6, R7, R8, capacitor C6, C7, zener diode D2, inductance L1, triode
Q1, panel-switch Q2；Shunt regulator diode D2 between the pin 2 and grounding pin of the power supply chip U3, polar capacitor E3,
Capacitor C7, inductance L1 and the circuit in series being made of described E3, C7, between the pin 1 and grounding pin of the power supply chip U3
Series capacitance E4 and C6, the pin 1 are connected by panel-switch Q2 resistance R8 with the collector of the triode Q1, and described three
Shunt capacitance E2 and resistance R5 between pole pipe Q1 transmitter and collector connects electricity between the triode Q1 emitter and base stage
R4 is hindered, the base stage is connected by series resistance R6, R7 and 3.3V power supply.
7. the apparatus according to claim 1, which is characterized in that further include key module, indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910750095.1A CN110390781A (en) | 2019-08-14 | 2019-08-14 | A kind of sound broadcasting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910750095.1A CN110390781A (en) | 2019-08-14 | 2019-08-14 | A kind of sound broadcasting device |
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| Publication Number | Publication Date |
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| CN110390781A true CN110390781A (en) | 2019-10-29 |
Family
ID=68288873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910750095.1A Pending CN110390781A (en) | 2019-08-14 | 2019-08-14 | A kind of sound broadcasting device |
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| Country | Link |
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| CN (1) | CN110390781A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783476A (en) * | 2022-04-15 | 2022-07-22 | 浙江恒科实业有限公司 | Voice broadcast box, control key and assembling method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188067A (en) * | 2007-12-13 | 2008-05-28 | 赵兵 | Automatic alarming system for actively preventing from car pileup |
| CN107215271A (en) * | 2017-06-15 | 2017-09-29 | 赵珊 | A kind of car collision avoidance System and method |
| CN210377710U (en) * | 2019-08-14 | 2020-04-21 | 杨剑锋 | Voice broadcasting device |
-
2019
- 2019-08-14 CN CN201910750095.1A patent/CN110390781A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188067A (en) * | 2007-12-13 | 2008-05-28 | 赵兵 | Automatic alarming system for actively preventing from car pileup |
| CN107215271A (en) * | 2017-06-15 | 2017-09-29 | 赵珊 | A kind of car collision avoidance System and method |
| CN210377710U (en) * | 2019-08-14 | 2020-04-21 | 杨剑锋 | Voice broadcasting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783476A (en) * | 2022-04-15 | 2022-07-22 | 浙江恒科实业有限公司 | Voice broadcast box, control key and assembling method |
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