CN2837952Y - The Traffic Information sound prompt device - Google Patents
The Traffic Information sound prompt device Download PDFInfo
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- CN2837952Y CN2837952Y CN 200520103401 CN200520103401U CN2837952Y CN 2837952 Y CN2837952 Y CN 2837952Y CN 200520103401 CN200520103401 CN 200520103401 CN 200520103401 U CN200520103401 U CN 200520103401U CN 2837952 Y CN2837952 Y CN 2837952Y
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- sound prompt
- prompt device
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Abstract
The utility model discloses a kind of Traffic Information sound prompt device, comprise receiving circuit, radiating circuit, vehicle displacement information trigger circuit, displacement information transtation mission circuit, recording circuit and language sheet and its peripheral circuit, the reception oscillatory circuit at the corresponding levels that receiving circuit and radiating circuit common antenna frequency selection circuit, receiving circuit comprise antenna selecting frequency circuit, high-frequency amplifier circuit, frequency changer circuit, intermediate level circuit, frequency-discriminating circuit, squelch circuit, the power amplifier of connection successively and be connected with frequency changer circuit; Radiating circuit comprises audio amplifier circuit, FM circuit, two-stage amplifying circuit, radio-frequency (RF) power amplification circuit and the antenna selecting frequency circuit that connects successively; The language sheet also links to each other with the input end of audio amplifier circuit, and the output of vehicle displacement information trigger circuit links to each other with the input of displacement information transtation mission circuit.The utlity model has that working stability is reliable, frequency is cursory few, can conveniently select integrated circuit for use, peripheral cell is few, and failure rate is low, and is simple to operate, easy to use.
Description
Technical field
The utility model relates to a kind of sound prompt device, relates to a kind of Traffic Information sound prompt device especially.
Background technology
Continuous encryption along with the road network construction, constantly speeding of development of automobile speed, timely and convenient transport information is outstanding for showing importance day of driver's trip, and people have higher requirement to the grasp of Traffic Information thereupon, also constantly proposes various new settling modes.For example: Global Positioning System (GPS) is one of method of rising in recent years, and it can determine the position at vehicle place fast; All there are a real-time traffic intercommunion platform in the traffic wireless station in many cities, TV station, allow and can transmit Traffic Information at any time between the driver; In March, 2005, the SMS traffic information inquiry business that moves with UNICOM was opened in Beijing especially, allow the driver understand road traffic condition at any time, but aforesaid way is a real-time not exclusively all, and needs supporting conditions such as network, thereby for most drivers, popularity rate is not high.
From another point of view, people when Traffic Information is provided also at the susceptibility of attempting making full use of people's auditory system, various sound prompt devices have been proposed, for example: vehicle-mounted brake suggestion device, speed of a motor vehicle overspeed alarm device etc., again for example: Chinese patent Granted publication CN223127Y, the day for announcing be on July 17th, 1996 the disclosed patent No. be 95227804.9 invention: road traffic voice infrared remote control suggestion device, this device can be by infrared transceiver devices, utilize voice in time human pilot to be carried out the prompting of traffic mark; : Chinese patent Granted publication CN2484605Y, the day for announcing is the invention that April 3, the disclosed patent No. was 01238268.X in 2002: full-automatic traffic sound prompt device, this device has the voice suggestion effect at intersection to the driver.But above-mentioned sound prompt device all only has the unicity of prompt facility: only all serving as for driver and other people is the effect of a loudspeaker, and distance is very short during use, and does not have popularity and versatility.
Summary of the invention
The utility model promptly be a kind of circuit structure that proposes by research to above-mentioned prior art simple, can in time transmit reliable Traffic Information sound prompt device.
The utility model is realized by following technical proposals:
A kind of Traffic Information sound prompt device, comprise receiving circuit, radiating circuit, vehicle displacement information trigger circuit, displacement information transtation mission circuit, recording circuit and language sheet and its peripheral circuit, the reception oscillatory circuit at the corresponding levels that described receiving circuit and radiating circuit common antenna frequency selection circuit, described receiving circuit comprise antenna selecting frequency circuit, high-frequency amplifier circuit, frequency changer circuit, intermediate level circuit, frequency-discriminating circuit, squelch circuit, the power amplifier of connection successively and be connected with frequency changer circuit; Described radiating circuit comprises audio amplifier circuit, FM circuit, two-stage amplifying circuit, radio-frequency (RF) power amplification circuit and the antenna selecting frequency circuit that connects successively; Described recording circuit links to each other with language sheet and peripheral circuit thereof, and described language sheet also links to each other with the input end of audio amplifier circuit; The output of described vehicle displacement information trigger circuit is connected with the input of displacement information transtation mission circuit.
Described antenna selecting frequency circuit is a two-stage π type frequency selection network; Described high-frequency amplifier circuit is cascode one a cobasis radio-frequency amplifier; Be provided with π type filter network between described audio amplifier circuit and the FM circuit; Described vehicle displacement information trigger circuit are resistor voltage divider circuit; Described vehicle displacement information trigger circuit are transistor driver circuit.
The utlity model has following remarkable advantage:
1, working stability is reliable, frequency is cursory few;
2, can conveniently select integrated circuit for use, peripheral cell is few, and failure rate is low;
3, has no signal noise elimination function;
4, simple to operate, easy to use;
5, take place when unusual when road conditions, can know prompting for information about in advance, arouse vigilance, take measures early.
Description of drawings
Fig. 1 is the theory diagram of the utility model Traffic Information sound prompt device;
Fig. 2 is the receiving circuit of the utility model Traffic Information sound prompt device specific embodiment and the circuit theory diagrams of radiating circuit;
Fig. 3 is that the utility model Traffic Information sound prompt device vehicle displacement information triggers and the circuit theory diagrams of launching.
Specific embodiment
The utility model is further introduced below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Referring to Fig. 1, a kind of Traffic Information sound prompt device, comprise receiving circuit 1, radiating circuit 2, vehicle displacement information emission trigger circuit 3, displacement information transtation mission circuit 4, recording circuit 5 and language sheet 6 and its peripheral circuit, wherein receiving circuit 1 and radiating circuit 2 common antenna frequency selection circuits 11, receiving circuit 1 comprise antenna selecting frequency circuit 11, high-frequency amplifier circuit 12, frequency changer circuit, intermediate level circuit, frequency-discriminating circuit, squelch circuit, the power amplifier 15 that connects successively and the reception that is connected with frequency changer circuit corresponding levels oscillatory circuit 13; Radiating circuit 2 comprises audio amplifier circuit 21, FM circuit 22, two-stage amplifying circuit 23, radio-frequency (RF) power amplification circuit 24 and the antenna selecting frequency circuit 11 that connects successively; Described recording circuit 5 links to each other with language sheet 6 and peripheral circuit thereof, records and store corresponding verbal cue function for the Traffic Information sound prompt device, and language sheet 6 links to each other with the input end of audio amplifier circuit 21; The output of described vehicle displacement information trigger circuit 3 is connected with the input of displacement information transtation mission circuit 4.
With reference to figure 2, wherein BATT is the power end of this device, and V10 is for being regulator block, and IC3 provides working power for the voice sheet.
The implementation procedure of receiving circuit is as follows:
Antenna selecting frequency circuit 11 is an inductance L 1, capacitor C 27, inductance L 2, capacitor C 28, the two-stage π type frequency selection network that inductance L 3 and capacitor C 29 are formed, the electric signal of antenna TX1 induction is through behind this frequency selection network, be coupled to the elementary of T6 by a capacitor C 49, finish impedance conversion and send high-frequency amplifier circuit 12 to by transformer T6, transformer T6 elementary is parallel with two reverse diode D1 and D2, the effect one is for utilizing its forward voltage drop, amplitude limit effect to strong signal, it two constitutes parallel resonance, frequency-selecting for an elementary inductance that utilizes the capacitive character of its PN junction and T6.
High-frequency amplifier circuit 12 comprises transistor V1, transistor V2 and peripheral related resistors and electric capacity thereof, and it is typical cascode one cobasis radio-frequency amplifier, by delivering to frequency changer circuit after the further frequency-selecting of high frequency amplifying signal process transformer T5.
Receive oscillatory circuit 13 at the corresponding levels and comprise transistor V3 and crystal oscillator JT2, local oscillation signal is coupled to frequency changer circuit by transformer T8.
Frequency changer circuit in the present embodiment, intermediate level circuit, frequency-discriminating circuit, squelch circuit, realize by IC2 (MC3359) and peripheral circuit 14 thereof, the output signal of high-frequency circuit links to each other with 18 pin of IC2, local oscillation signal links to each other with 1 pin through a capacitor C 10, the two finishes frequency conversion in the inside of IC2, signal after the frequency conversion is exported by 3 pin subsequently, after filtering out other frequencies, process wave filter T9 links to each other with 5 pin, further amplify through intermediate frequency amplifier circuit inside at IC2, behind the frequency discrimination, from 10 pin output audio signals, the external T7 of 8 pin of C2 is the frequency discriminator alihnment coil, and the C15 of 9 pin is the electric capacity that postemphasises.Muting control signal is taken from 10 pin of IC2, when not having the emission signal, the high frequency noise clutter of output will be received circuit and receive, amplify the 10 pin output of back from IC2, its noise signal is through capacitor C 26, resistance R 13, noise quieting sensitivity manual adjustment potentiometer W3, capacitor C 48 is connected with 12 pin of IC2 with capacitor C 25, after the inner amplification of IC2, export from 13 pin, by diode D3, diode D4, capacitor C 22 detections such as peripheral circuit such as grade go out DC component, with after a resistance R 11 be connected by 14 pin, the internal circuit of IC2 is controlled the state of its 16 pin, i.e. 16 pin conducting degree over the ground, because 16 pin of IC2 directly link to each other with 2 pin of IC1 (LM386), thereby realized the input signal of power amplifier 15 is controlled.
With reference to figure 2, the implementation procedure of radiating circuit is as follows again:
The sound signal of being sent by language sheet IC3 (PM5108) 6 is after the audio amplifier circuit 21 that the two-stage self-biased amplifier that transistor V9 and V8 etc. form is formed amplifies, through capacitor C 45, after inductance L 11 and capacitor C 44 are formed π type filter network, be coupled to emission oscillatory circuit at the corresponding levels in the FM circuit 22 through capacitor C 43 again, carry out frequency modulation (PFM) to launching oscillatory circuit at the corresponding levels, launch oscillatory circuit at the corresponding levels and comprise transistor V7, crystal oscillator JT1, and stabilivolt D5, transformer T1 selects the frequency of operation of suitable frequency as radiating circuit, it also is the output signal of FM circuit 2, this signal process is by transistor V6, transformer T2, deliver to rf power amplifier circuit 24 behind the transformer coupled two-stage voltage amplifier circuit 23 that transistor V5 forms, transistor V4 is the final stage radio-frequency power amplifier, the radiofrequency signal of its output is through capacitor C 31, inductance L 4, behind the frequency selection network that capacitor C 30 grades are formed, deliver to its loaded antenna TX1 by shared antenna selecting frequency circuit 11 again, finish electromagnetic conversion by antenna, to aerial radiated electromagnetic wave.
Each input end of language sheet IC3 links to each other with recording circuit 5 by resistance, the control end of its corresponding above-mentioned input end is all by switch ground connection, so that can be during corresponding switch closure by recording circuit 5 recording corresponding information contents, fire in language sheet IC3, when needing to send these contents, the respective switch closure is being got final product.Recording circuit 5 selects for use the recording module of prior art to get final product.
Referring to Fig. 3, we turn left the brake of vehicle, turn right, and behaviors such as reversing are defined as the vehicle displacement, and 3 is vehicle displacement information emission trigger circuit, and 4 are displacement information transtation mission circuit.When brake, by the brake switch energized, a holds electricly, and C1O1 is charged, simultaneously power supply makes transistor VT1 and transistor VT2 conducting after resistance R 101, resistance R 102, and the pressure drop that produces on resistance R 103 triggers 4 language sheet IC5 through resistance R 104 thus.After brake finishes, because the C101 capacity is bigger, continue playback, so even if brake is a point to be stopped, the work of language sheet IC5 can be not desultory yet so can keep language sheet IC5.Make b, c, d hold electricly respectively when the left-hand bend of vehicle, right-hand bend and reversing, by triggering language sheet IC5 after the resistor voltage divider circuit dividing potential drop.The output of language sheet IC5 links to each other with the input of displacement information transtation mission circuit 4, its by the voltage amplification of transistor VT3 one-level after, make radio-frequency (RF) power amplification via transistor VT4 and transistor VT5 again, inductance L 101, capacitor C 103 and other distributed capacitance are formed the electric capacity Coplitts oscillator, finish irradiation of electromagnetic waves by the TX2 antenna, vehicle displacement information is launched.
Embodiment one:
At main crossroads, when traffic control is carried out in the highway section, when no through traffic in perhaps a certain highway section, or the crossing is when accident occurring, can use the Traffic Information sound prompt device that has baked the voice sheet, its radiating circuit 2 is notified at a distance and will be sailed into or the vehicle by herein, and vehicle can be selected to detour after receiving by receiving circuit 1 as early as possible.
Embodiment two:
When crossing in the journey, the garage of oneself driving breaks down, be parked in the place of blocking traffic, can press language sheet IC3 setting key, after receiving, utilize the radiating circuit 2 of transport information sound prompt device the to send information of " car occurs unexpected; block traffic; please go slowly ", other vehicles receiving circuit 1 by the transport information sound prompt device on the own car promptly shifts to an earlier date Awareness status, by can carefully driving herein.
Embodiment three:
When rule-breaking vehicle, after the police utilized the Traffic Information sound prompt device to carry out live recording, the violation information of will being correlated with utilized radiating circuit 2 to notify the car owner at once, the car owner can utilize the device on the own car to receive and with to confirm.
Embodiment four:
Utilize vehicle displacement information emission trigger circuit 3 and displacement information transtation mission circuit 4, can will brake accordingly, turn or the language of moveing backward is burned onto in the language sheet, during actual the use, as long as the action of driver's correspondence takes place, energized then can send information, shifts to an earlier date corresponding information indicating and the vehicle that closes on can utilize in the Traffic Information sound prompt device on the own car receiving circuit to receive.
Specific embodiment of the present utility model elaborates content of the present utility model.For persons skilled in the art, any conspicuous change of under the prerequisite that does not deviate from the utility model spirit it being done all constitutes the infringement to the utility model patent, with corresponding legal responsibilities.
Claims (6)
1, a kind of Traffic Information sound prompt device, it is characterized in that: this device comprises receiving circuit, radiating circuit, vehicle displacement information trigger circuit, displacement information transtation mission circuit, recording circuit and language sheet and its peripheral circuit, the reception oscillatory circuit at the corresponding levels that described receiving circuit and radiating circuit common antenna frequency selection circuit, described receiving circuit comprise antenna selecting frequency circuit, high-frequency amplifier circuit, frequency changer circuit, intermediate level circuit, frequency-discriminating circuit, squelch circuit, the power amplifier of connection successively and be connected with frequency changer circuit; Described radiating circuit comprises audio amplifier circuit, FM circuit, two-stage amplifying circuit, radio-frequency (RF) power amplification circuit and the antenna selecting frequency circuit that connects successively; Described recording circuit links to each other with language sheet and peripheral circuit thereof, and described language sheet also links to each other with the input end of audio amplifier circuit; The output of described vehicle displacement information trigger circuit is connected with the input of displacement information transtation mission circuit.
2, Traffic Information sound prompt device as claimed in claim 1 is characterized in that: described antenna selecting frequency circuit is a two-stage π type frequency selection network.
3, Traffic Information sound prompt device as claimed in claim 1 is characterized in that: described high-frequency amplifier circuit is cascode one a cobasis radio-frequency amplifier.
4, Traffic Information sound prompt device as claimed in claim 1 is characterized in that: be provided with π type filter network between described audio amplifier circuit and the FM circuit.
5, Traffic Information sound prompt device as claimed in claim 1 is characterized in that: described vehicle displacement information trigger circuit are resistor voltage divider circuit.
6, Traffic Information sound prompt device as claimed in claim 1 is characterized in that: described vehicle displacement information trigger circuit are transistor driver circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520103401 CN2837952Y (en) | 2005-08-04 | 2005-08-04 | The Traffic Information sound prompt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520103401 CN2837952Y (en) | 2005-08-04 | 2005-08-04 | The Traffic Information sound prompt device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2837952Y true CN2837952Y (en) | 2006-11-15 |
Family
ID=37392441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520103401 Expired - Fee Related CN2837952Y (en) | 2005-08-04 | 2005-08-04 | The Traffic Information sound prompt device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2837952Y (en) |
-
2005
- 2005-08-04 CN CN 200520103401 patent/CN2837952Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |