CN104217665B - A kind of forest fire protection propagandizing device - Google Patents
A kind of forest fire protection propagandizing device Download PDFInfo
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- CN104217665B CN104217665B CN201410512148.3A CN201410512148A CN104217665B CN 104217665 B CN104217665 B CN 104217665B CN 201410512148 A CN201410512148 A CN 201410512148A CN 104217665 B CN104217665 B CN 104217665B
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Abstract
A kind of forest fire protection propagandizing device, is related to a kind of movable type forest fire protection instrument of propaganda, on the mobile instrument such as motorcycle, make full use of Management offorestry person, which publicity the motor vehicles that rural cadre goes to the countryside, go to which, saves dispute, warning intuitively substantially.Including player, amplifirer, quick-fried sudden strain of a muscle warning lamp, loudspeaker, wear wireless Mike's formula megaphone, amplifirer includes power-supply controller of electric and amplifier, power-supply controller of electric is same with amplifier to be mounted in a housing, power-supply controller of electric input connects power supply, connection radio reception player, amplifier, quick-fried sudden strain of a muscle warning lamp, amplifier out connects loudspeaker, wears wireless Mike's formula megaphone and is contacted with radio reception player by wireless signal.
Description
Technical field
The present invention relates to a kind of movable type forest fire protection instrument of propaganda.
Background technology
Existing warning lamp siren includes motorcycle front car light（Circle lamp and square lamp）Motorcycle rear bar lamp, motorcycle alarm
Device.Wherein motorcycle warning lamp front car light is divided into circular warning lamp and shape warning lamp.Seven set bags of motor warning lamp police motorcycle
Contain：LED is quick-fried to dodge one, rear bar lamp；Inlay two, siren major-minor loudspeaker；LED is quick-fried to dodge preposition red blue circle warning lamp two；Handle out
Close one；Headset motorcycle megaphone one.Its shortcoming voice to prerecord capacity little and play content relatively fix ineffective
Living, the mountain area rural masses to be disperseed, information is inaccessible, understands forest fire protection knowledge seldom, and each amount of publicity is limited, loudspeaker sound
Amount is not big enough, it is impossible to meets the situation more than promotional content, megaphone and adopts wired connection, inadequate convenient use.
Content of the invention
It is an object of the invention to provide a kind of forest fire protection propagandizing device, with enough amplifying powers, and has mobile storage
Interface, is easily installed on the mobile instrument such as motorcycle, makes full use of existing Management offorestry person, use when rural cadre goes to the countryside
The motor vehicles, any publicity can be gone to which, save dispute, warning directly perceived substantially.
The technical scheme is that：A kind of forest fire protection propagandizing device, including MP3 radio reception player, amplifirer, quick-fried sudden strain of a muscle
Warning lamp, loudspeaker, wear wireless microphone megaphone；Amplifirer includes to put in power-supply controller of electric, audio frequency and low-frequency amplifier,
Put in the power-supply controller of electric, audio frequency with low-frequency amplifier with being mounted in a housing, power-supply controller of electric input connects power supply,
The power supply is motorcycle power source, power-supply controller of electric output end connection MP3 radio reception player, puts in audio frequency and low-frequency amplifier, quick-fried
Warning lamp is dodged, low-frequency amplifier output end connects loudspeaker, current control is turned on or off by player switch triggering key is pressed
Connection amplifirer and the power supply of quick-fried sudden strain of a muscle warning lamp work；Wear wireless microphone megaphone to broadcast with MP3 radio reception by wireless signal
Device contact is put, the frequency of the wireless signal has the function of loop play for 87.5MHZ 108MHZ, MP3 radio reception player, its
It is characterised by：Put in amplifirer sound intermediate frequency and low-frequency amplifier, putting in audio frequency includes that the middle rank of TDA2003 integrated circuit is put
Greatly, low-frequency amplifier is combined by input transformer B1 and two High-power amplifier triode TIP36 and output auto transformer B2
Become push-pull power amplifier, specifically by the input coil for putting output connection input transformer B1 in audio frequency, input transformer B1's
Output winding is provided with axis, and the output winding two ends of input transformer B1 connect the base stage of two PNP triode respectively, and axis connects
The input coil of positive source and output auto transformer B2 is connect, auto-transformer B2 output winding two ends connect loudspeaker, from
Coupling transformer B2 also sets the emitter stage that two joints connect two PNP triode respectively, the colelctor electrode connecting to neutral line of PNP triode.
Put in further audio frequency and middle rank amplification input IN is entered by MP3 radio reception player output MOUT, middle rank amplifies
TDA2003 integrated circuit is taken to amplify, TDA2003 integrated circuit block has five pin altogether, and a pin is signal input, signal flow：Letter
Number through electric capacity C3 and resistance R2 be coupled to TDA2003 integrated circuit a pin, b pin is RC network, b pin connect electric capacity C4 one end,
The electric capacity C4 other end be simultaneously connected with resistance R5 and resistance R4, c pin ground connection negative pole, d pin output with loudspeaker and connect electric capacity C5, electricity
Resistance R6, for anti-self-excitation, wherein electric capacity C5 one end is connected on d pin together with one end of resistance R5, and the electric capacity C5 other end divides two
Road, a road are grounded after resistance R6 series capacitance C6, and a road connects loudspeaker through low-frequency amplifier；E pin is connected on electric capacity C1, C2
On same power supply positive pole, two electric capacity C1, C2, a filter high frequency, another filter low frequency, b pin pass through 220 Europe resistance R5 with d pin
Negative-feedback is formed, resistance R5 and resistance R4 ratio are audio frequency multiplication factors, this audio frequency amplifies to avoid in prior art and will also continue
Amplify the defect that can be only achieved requirement.
Primary coil of further input transformer B1 adopts 90 circle of 0.35mm enamel-covered wire coiling, and secondary coil adopts 0.19mm
Enamel-covered wire coiling, respectively the two of 500 circles secondary coil；Auto-transformer B2 adopts 0.74mm enamel-covered wire coiling, with center
The emitter stage for respectively setting at 65 circles that a tap connects PNP triode is set for boundary to both sides, sets tap connection and raise one's voice at 10 circle of extension
Device both positive and negative polarity, the use of auto-transformer B2 significantly reduce amplifirer volume.
Further MP3 radio reception player is provided with TF card plug or USB, and socket is downward, with shockproof and wader
Put, conveniently replaced promotional content；MP3 radio reception player is combined by tetra- core aviation plug male and female head connecting line of M12 with amplifirer,
With shielding waterproof function, tetra- core aviation plug male and female head connecting line of M12 divide white line K, red line V+ DC12V, black line V- GND,
Green line, by the on/off of MP3 radio reception player power supply amplifirer, red line V+ DC12V is the electrode line of power supply, black line
It is amplifirer IN+ audio input line again that V- GND is the negative line of power supply, green line is MP3 radio reception player MOUT audio output；
In amplifirer, power-supply controller of electric includes resistance R1, triode VT1, diode VD, resistance connecting triode VT1, white line K, three poles
Pipe VT1 connection relay KJ, relay KJ connection diode VD, red line, diode VD shield, and prevent reverse power connection from burning
Bad, i.e., triode VT1 is entered by white line K end resistance and attracting electric relay is vibrated, the diode of power-supply controller of electric input is used for
Protection circuit；Quick-fried sudden strain of a muscle warning lamp is connected to the K1 line of amplifirer；S green source line connection amplifirer, amplifirer output connection
Loudspeaker.
Further quick-fried sudden strain of a muscle warning lamp LED row's example is provided with " forest " and " fire prevention " printed words, and wherein " forest " lampshade is
Blue or LED is blue lamp bead, and " fire prevention " lampshade is red lamp bead for red or LED, and its quick-fried sudden strain of a muscle warning light circuit is connected and composed
Including quick-fried sudden strain of a muscle device and LED light group, quick-fried sudden strain of a muscle device is by 2 NPN triodes, 2 electrochemical capacitors, 2 divider resistances, 2 potentiometer structures
Become, potentiometer is together connected electric current positive pole with LED light group, the potentiometer other end connects divider resistance, potentiometer is quick-fried for adjusting
Flash degree, potentiometer are used for adjusting quick-fried sudden strain of a muscle frequency, divider resistance other end connection electrochemical capacitor positive pole and another road NPN triode
Base stage, the electrochemical capacitor negative pole connection base collector of NPN triode and LED light group negative pole；The transmitting of two NPN triodes
Pole connects GND;LED light group is unified into group again by the series connection of N number of LED with a resistance string, then by N number of identical group's parallel connection structure
Become, LED light group negative pole is connected with NPN triode colelctor electrode.
When forest fire protection propagandizing device is installed, MP3 radio reception player is arranged on motorcycle handlebar on hand, power-supply controller of electric, power amplifier
Device, quick-fried sudden strain of a muscle warning lamp, loudspeaker are arranged on bumper bar, and wherein the right and left respectively fills a quick-fried sudden strain of a muscle warning lamp, and left side red light shows
" fire prevention " two word, the right blue lamp show " forest " two word, wear wireless microphone megaphone with band.
Beneficial effect of the present invention is：Due to the use of auto-transformer B2, make that power amplifier power is big, siren sound is big, can
Existing greatly traffic police is reached with more than 5 times of siren sound, little power consumption good heat dissipation, be less than 60 °C using temperature for a long time.As long as passing through
Forest ranger rides the forest fire protection propagandizing device motorcycle for being provided with the present invention, visits villagers' home, strengthens forest fire protection publicity, as long as
Simply installed on motorcycle, just original motorcycle can be repacked into forest fire protection propaganda car, just can be abundant
Forest fire protection publicity is carried out when Xun Shan protects a forest or works at ordinary times from house to house using forest ranger.Thus, the forest that has reequiped prevents
Fire publicity motorcycle compensate for the dead angle stayed when forest fire protection propaganda car is touring to be publicized.
With drawings and the specific embodiments, the invention will be further described below
Fig. 1 is the electrical block diagram of the present invention
Fig. 2 is the quick-fried sudden strain of a muscle warning light circuit structural representation of the present invention
In figure：MP3 radio reception player 1, time-out/FM radio reception automatic channel search button 2, upper one bent button, next song button 3, head
Wear in wireless microphone megaphone 4, GND black line 5, MOUT/IN signal source green line 6,12V electrode line K7, amplifirer 8, audio frequency and put
9th, low-frequency amplifier 10, loudspeaker 11, power-supply controller of electric 12, white power control line 13, V+12V red line 14, power switch/FM,
USB, TF card change-over switch 15, volume increases and decreases button 16.
Specific embodiment
A kind of forest fire protection propagandizing device of in figure, including MP3 radio reception player 1, amplifirer 8, quick-fried sudden strain of a muscle warning lamp,
Wireless microphone megaphone 4 worn by YD100I loudspeaker 11, WS208, and amplifirer 6 includes to put 9 and in power-supply controller of electric 12, audio frequency
Low-frequency amplifier 10, is put 9 and is mounted in a housing with low-frequency amplifier 10 together in power-supply controller of electric 12, audio frequency, power-supply controller of electric
12 inputs connect power supply, have preposition in 12 output end of power-supply controller of electric connection MP3 radio reception player 1, MP3 radio reception player 1
Amplify, quick-fried sudden strain of a muscle warning lamp main track connection K1,10 output end of low-frequency amplifier connection YD100I loudspeaker 11, WS208 wear wirelessly
Microphone megaphone 4 is contacted with MP3 radio reception player 1 by wireless signal, and MP3 radio reception player 1 is navigated with four cores with amplifirer 8
Blind plug male-female coupling line connects, and the line has shielding action and water-proof function, and four core aviation plug male-female coupling lines divide K white
Power control line 13, V+12V red line 14, MOUT/IN signal source green line 6, GND black line 5, in amplifirer 8, power-supply controller of electric 12 is wrapped
Resistance R1, triode VT1, diode VD is included, resistance R1 connecting triode VT1, white line K power control line 13, triode VT1 connect
Contact relay KJ, relay KJ connection diode VD, V+12V red line 14, i.e., entered by 13 end resistance R1 of white line K power control line
Enter S8050 triode VT1 base stage, transistor emitter meets GND, electrode connects HRS4H-S-DC12V relay KJ, vibrate adhesive
Relay KJ, the 1N4007 diode VD of 12 input of power-supply controller of electric are used for protection circuit；Quick-fried sudden strain of a muscle warning lamp is connected to power amplifier
The K of device 81Line；9 are put in the line connection audio frequency of S green source, 9 connection low-frequency amplifiers 10 in audio frequency, are put, low-frequency amplifier 10 is defeated
Go out to connect loudspeaker 11;Put in audio frequency 9 include middle rank amplify take TDA2003 IC amplify, low-frequency amplifier 10 by
Input transformer B1Ei28 8*12 and two High-power amplifier triode TIP36 and output transformer B2Ei48 16*10 combination
Become push-pull power amplifier；9 connection power-supply controller of electric 12 and MP3 radio reception player 1 is put in audio frequency；MP3 radio reception player 1 is provided with
Using TF card or USB flash disk socket, TF card or USB flash disk copy into the contents such as required broadcasting forest fire protection regulation, slogan, insertion
After in TF draw-in groove, forest fire protection propagandizing device is broadcast automatically, is given great volume by power switch/FM, USB, TF card change-over switch 15 once
Little volume increase and decrease button 16 of pressing is adjusted, with there is memory function；Power switch starts, while " forest fire protection warning lamp " is just automatically
Quick-fried sudden strain of a muscle work, in quick-fried sudden strain of a muscle warning lamp, LED row example is provided with " forest " and " fire prevention " printed words, and wherein " forest " lampshade is blueness,
" fire prevention " lampshade is redness, and its quick-fried sudden strain of a muscle warning light circuit is connected and composed including quick-fried sudden strain of a muscle device and LED light group, and quick-fried sudden strain of a muscle device is by 2 NPN tri-
Pole pipe D882,2 470 μ F of electrochemical capacitor, 2 220 Ω of divider resistance, 2 potentiometer 10K Ω compositions, potentiometer R7 and LED
" forest " group together connects electric current positive pole, potentiometer R7 other end connection divider resistance R8, divider resistance R8 other end connection electricity
Solution electric capacity C7 pole and the base stage of another road NPN triode Q2, the potentiometer R9 other end connect divider resistance R10, divider resistance R10
The base stage of other end connection electrochemical capacitor C8 NPN triode Q1；Potentiometer R7, R9 are used for adjusting quick-fried flash degree；Two NPN tri-
The emitter stage connection GND of pole pipe Q1, Q2;LED light group is unified into group with 100 Ω resistance strings again by the series connection of N number of LED, then
It is made up of N number of identical group's parallel connection, LED light group negative pole is connected with NPN triode Q1 colelctor electrode, constitutes " forest " background flashing light；
LED light group is unified into group again by the series connection of N number of LED with 100 Ω resistance strings, then is made up of N number of identical group's parallel connection, LED
Lamp group negative pole is connected with NPN triode Q2 colelctor electrode, constitutes " fire prevention " background flashing light.
1 function of radio receiver frequency 87.5MHZ-108MHZ of MP3 radio reception player, which has the function of loop play；When will amplify
When propagandaing directed to communicate, open the power switch that WS208 wears wireless microphone megaphone 4, then press the power switch of MP3 radio reception player 1/
FM, USB, TF card change-over switch 15 once, is switched to FM radio-receiving mode, the shinny quick-fried sudden strain of a muscle as usual of forest fire protection warning lamp, bent by upper one
After button, the automatic search rate of next song button 3, you can amplify and propaganda directed to communicate.
Audio-frequency power amplifier, specified sufficient power 100W, crest voltage 38V, 100W loudspeaker operating voltage 30V is loaded, is put
Big device power saving, tonequality are good, and physique is little, good heat dissipation, continuously works a few hours, and temperature is less than 60 degree.
, with small volume, output power, using sound for the MP3 radio reception player 1, amplifirer 8 of forest fire protection propagandizing device
Frequency power transformer B2, output crest voltage 38V, sufficient power 100w operating voltage 30V, can continuously use, promote YD100I type standard
100W loudspeaker expand to be broadcast.The forest fire protection promotional content for needing to play can be freely set using TF card, and sound is loud and sonorous loud, and effect is relatively
Good.Forest ranger wears wireless microphone loudspeaker and can propaganda directed to communicate in motorcycle is ridden, and volume freely can be adjusted, and make up
The some shortcomings of the forest fire protection promotional content of simple use speech play.
Claims (5)
1. a kind of forest fire protection propagandizing device, including MP3 radio reception player, amplifirer, quick-fried sudden strain of a muscle warning lamp, loudspeaker, wears no
Line microphone megaphone；Amplifirer includes to put in power-supply controller of electric, audio frequency and low-frequency amplifier, the power-supply controller of electric, audio frequency
In put with low-frequency amplifier with being mounted in a housing, power-supply controller of electric input connects power supply, and the power supply is motorcycle power source,
Put and low-frequency amplifier, quick-fried sudden strain of a muscle warning lamp, low-frequency amplifier in power-supply controller of electric output end connection MP3 radio reception player, audio frequency
Output end connect loudspeaker, current control by press MP3 radio reception player switch triggering key be turned on or off connection amplifirer and
The quick-fried power supply for dodging warning lamp work；Wear wireless microphone megaphone to contact with MP3 radio reception player by wireless signal, described
The frequency of wireless signal has the function of loop play for 87.5MHZ 108MHZ, MP3 radio reception player, in amplifirer sound intermediate frequency
Put and low-frequency amplifier, putting in audio frequency includes the middle rank amplification of TDA2003 integrated circuit, and low-frequency amplifier is by input transformer
B1 and two High-power amplifier triode TIP36 and output auto transformer B2 are combined into push-pull power amplifier；It is characterized in that：
MP3 radio reception player is provided with TF card plug or USB, and socket is downward, with shockproof and water-tight device, conveniently replaced publicity
Content；MP3 radio reception player is combined by tetra- core aviation plug male and female head connecting line of M12 with amplifirer, with shielding waterproof function,
Tetra- core aviation plug male and female head connecting line of M12 divides white line K, red line V+ DC12V, black line V- GND, green line, is played by MP3 radio reception
The on/off of device power supply amplifirer, red line V+ DC12V be the electrode line of power supply, black line V- GND be power supply negative pole
It is amplifirer IN+ audio input line again that line, green line are MP3 radio reception player MOUT audio output；Power-supply controller of electric in amplifirer
Including resistance R1, triode VT1, diode VD, resistance connecting triode VT1, white line K, triode VT1 connect relay KJ,
Relay connection diode VD, red line, i.e., enter triode VT1 by white line K end resistance R1 and vibrate attracting electric relay KJ, power supply
The diode VD of controller input is used for protection circuit；Quick-fried sudden strain of a muscle warning lamp is connected to the K1 line of amplifirer；S green source line
Connection amplifirer, amplifirer output connection loudspeaker.
2. a kind of forest fire protection propagandizing device according to claim 1, is characterized in that：Put in audio frequency and played by MP3 radio reception
Device output MOUT enters middle rank and amplifies input IN, and middle rank amplifies takes TDA2003 integrated circuit to amplify, the integrated electricity of TDA2003
Road block has five pin altogether, and a pin is signal input, signal flow：Signal is coupled to the integrated electricity of TDA2003 through electric capacity C3 and resistance R2
Road a pin, b pin is RC network, and b pin connects one end of electric capacity C4, and the electric capacity C4 other end is simultaneously connected with resistance R5 and resistance R4, c pin
Ground connection negative pole, the output of d pin and loudspeaker the electric capacity C5, the resistance R6 that connect, for anti-self-excitation, wherein electric capacity C5 one end and resistance R5
One end be connected on d pin together, the electric capacity C5 other end divides two-way, and a road is grounded after resistance R6 series capacitance C6, Ling Yilu
Connect loudspeaker through low-frequency amplifier；E pin is connected on same power supply positive pole with electric capacity C1, C2, two electric capacity C1, C2, a filter
High frequency, another filter low frequency, b pin form negative-feedback with d pin by 220 Europe resistance R5, and resistance R5 and resistance R4 ratio are that audio frequency is put
Big multiple.
3. a kind of forest fire protection propagandizing device according to claim 1, is characterized in that：Primary coil of input transformer B1 is adopted
With 90 circle of 0.35mm enamel-covered wire coiling, secondary coil is using the enamel-covered wire coiling of 0.19mm, respectively the two of 500 circles secondary coil；
Auto-transformer B2 adopts 0.74mm enamel-covered wire coiling, is set at 65 circles to both sides as boundary with center and respectively sets a tap connection PNP
The emitter stage of triode, sets tap connection loudspeaker both positive and negative polarity at 10 circle of extension, the use of auto-transformer B2 is significantly reduced
Amplifirer volume.
4. a kind of forest fire protection propagandizing device according to claim 1, is characterized in that：Quick-fried sudden strain of a muscle warning lamp LED row's example sets
Be equipped with " forest " and " fire prevention " printed words, wherein " forest " lampshade is blue lamp bead for blue or LED, " fire prevention " lampshade for red or
LED is red lamp bead, and its quick-fried sudden strain of a muscle warning light circuit is connected and composed including quick-fried sudden strain of a muscle device and LED light group, and quick-fried sudden strain of a muscle device is by 2 tri- poles of NPN
Pipe, 2 electrochemical capacitors, 2 divider resistances, 2 potentiometers are constituted, and potentiometer is together connected electric current positive pole, current potential with LED light group
The device other end connects divider resistance, and potentiometer is used for adjusting quick-fried flash degree, and potentiometer is used for adjusting quick-fried sudden strain of a muscle frequency, and divider resistance is another
One end connection electrochemical capacitor positive pole and the base stage of another road NPN triode, electrochemical capacitor negative pole connect the base stage collection of NPN triode
Electrode and LED light group negative pole；The emitter stage connection GND of two NPN triodes;LED light group by N number of LED series connection again with one
Resistance string is unified into group, then is made up of N number of identical group's parallel connection, and LED light group negative pole is connected with NPN triode colelctor electrode.
5. a kind of forest fire protection propagandizing device according to one of claim 14, is characterized in that：Forest fire protection publicity dress
When putting installation, MP3 radio reception player is arranged on motorcycle handlebar on hand, power-supply controller of electric, amplifirer, quick-fried sudden strain of a muscle warning lamp, loudspeaker peace
Bumper bar is mounted in, wherein the right and left respectively fills a quick-fried sudden strain of a muscle warning lamp, and left side red light shows " fire prevention " two word, and the right blue lamp is showed
" forest " two word, wears wireless microphone megaphone with band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512148.3A CN104217665B (en) | 2014-09-29 | 2014-09-29 | A kind of forest fire protection propagandizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512148.3A CN104217665B (en) | 2014-09-29 | 2014-09-29 | A kind of forest fire protection propagandizing device |
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| Publication Number | Publication Date |
|---|---|
| CN104217665A CN104217665A (en) | 2014-12-17 |
| CN104217665B true CN104217665B (en) | 2017-03-08 |
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ID=52099092
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410512148.3A Expired - Fee Related CN104217665B (en) | 2014-09-29 | 2014-09-29 | A kind of forest fire protection propagandizing device |
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| CN104217665A (en) | 2014-12-17 |
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