CN2514574Y - Carrying-free telephone device for mounting rear-view mirror of automobile - Google Patents

Abstract

A hands-free speaking device mounted on vehicle rear-vision mirrors comprises a mobile phone, a rear-vision mirror, a circuit board, a built-in microphone, and a built-in loudspeaker, wherein the built-in microphone, the built-in loudspeaker and the circuit board are mounted in the interlayer of the vehicle rear-vision mirror. The vehicle rear-vision mirror is provided with a plurality of interfaces and press keys for externally arranging the mobile phone and controlling operations. The utility model has the design based on green, safety and convenience, which has novel and unique structure, stable and reliable performances. The appearance of the utility model is light and small, and the design is man-based.

Description

Be loaded on the hands-free message equipment on the automobile rearview mirror

The utility model belongs to a kind of hands-free message equipment that is loaded on the automobile rearview mirror, is used for the handfree speech of mobile phone of automobile.

The universal people of making of mobile phone can intercommunicate exchange of information whenever and wherever possible, but when steering vehicle, use mobile phone can cause danger, and therefore, many countries can limit hand-held mobile phone communication usually.China forbids that with regard to strictness the driver uses mobile phone in driving at present, and this makes the motorist very awkward.The motorist uses mobile phone for convenience, and people have found out many schemes.For example the appearance of vehicle carried mobile phone is exactly an example, and this scheme is to be provided with mobile phone dedicatedly onboard, by circuit design the audio signal of mobile phone is directly delivered on the loud speaker of automobile and is realized receiving calls.But vehicle carried mobile phone costs an arm and a leg, and need change the mobile phone card, uses very inconvenience.

The purpose of this utility model provides a kind of hands-free message equipment that is loaded on the automobile rearview mirror, need not change mobile phone, can hands-free use, conveniently driving.

The utility model comprises mobile phone, rearview mirror, circuit board, built-in microphone, boombox, built-in microphone, boombox, circuit board are contained in the automobile rearview mirror, on rearview mirror, be provided with a plurality of interfaces and button, be used for external mobile phone and control operation.

Circuit board comprises speaking circuit, reception control circuit, recording playback sound memory circuit.

The utility model design is a starting point with green, safety, facility, and the novel structure uniqueness is stable and reliable for performance.The main body external form is merrily and lightheartedly small and exquisite, also very hommization in the design.

Green---needn't handheld mobile phone during the utility model incoming call answering, also need not wearing headphones.Can exempt mobile phone radiation to human body especially to the injury of brain, make your mobile phone really become green product.

Handheld mobile phone when safety---the utility model can be avoided driving, one hand are sailed and are driven, and cause the danger of traffic accident.Eliminate your action loaded down with trivial details when driving to converse, guarantee that driver safety drives easily conversation.

The utility model can produce the shortcoming at dead angle at traditional rearview mirror in driver's angle, gives further improvement, expands side-looking and end angle relatively, provides the broad visual field to the driver, increases traffic safety.

Automobile of the present utility model is housed, and each automobile starting energized is after about ten seconds, and automobile hand-free call rearview mirror points out automatically that " you are good! Buckle Up Please fasten your saflybelt ".(Chinese and English each time) reminds the driver to fasten seat belts personnel's fortuitous casualty when avoiding emergency before each the driving.

Convenient---the streamlined appearance design of the utility model fineness, dexterous graceful.Shell is provided with power key, answers key, record button, playback button, quiet key, volume control knob, mobile phone connector.Make that automobile hand-free call safety rearview mirror is simple to operate, easy to connect, it is free to use.

Perfect interface, compatibility is good, can with the online use of the mobile phone of various brands; The installation site does not take interior space, simple to operate can the connection voluntarily.

Two-way sound-recording function replaces paper notes record telephone number in the conversation.

Special noise is eliminated the loop, and in the environment such as voice noise, conversation is interference-free in the sound of the wind that no matter scrapes fast on mechanicalness noise, automobile audio, car engine sound, highway, the car body, and the side's talked about audition is clear.

Behind the talk-through, utilize automobile power source can give cell-phone charging automatically.

Accompanying drawing 1 is the utility model structural representation;

Accompanying drawing 2 is the utility model user mode structural representation;

Accompanying drawing 3 is the utility model electrical schematic diagram.

As Fig. 1, shown in Figure 3, the utility model comprises mobile phone 1, rearview mirror 2, circuit board, built-in microphone, boombox.Built-in microphone, boombox, circuit board are contained in the automobile rearview mirror 2, on rearview mirror 2, are provided with a plurality of interfaces and button 3, are used for external mobile phone 1 and control operation.Interface and button 3 have power key 900 respectively, answer key 600, record button 300, playback button 400, quiet key 500, volume control knob, mobile phone connector (100,200).

As shown in Figure 2, mobile phone 1 can place on the driving stand of steering wheel 4 sidepieces, and attaching plug is connected on the automobile cigarette lighter.The input of 12V direct voltage, mobile phone 1, output signal all are connected with interface 3 on the automobile rearview mirror 2 by lead 5 respectively.

As shown in Figure 3, the utility model circuit board is made of reception control circuit, speaking circuit, recording playback sound memory circuit, power circuit.Wherein reception control circuit is made of double operational circuit (IC203), sound control circuit (IC204), switching circuit (IC201) and side circuit thereof, external mobile phone connector (100,200), answers key 600.Speaking circuit constitutes external boombox SPEAKER, built-in microphone MIC by chip (IC101) and side circuit thereof; Recording playback sound memory circuit is formed by connecting by d type flip flop (IC202), recording chip (IC206), external record button 300, playback button 400, quiet key 500; Power circuit is made of general direct current regulation circuit.In addition, other establishes voice warning circuit, and voice warning circuit is made of voice sheet of having record 800 and side circuit thereof, and " you are good to be used to play the sound of pre-recording! Buckle Up ".Each circuit working process is as follows: the 5.4.1 power unit

1. input automobile cigarette lighter 12V direct voltage behind pressurizer 7805 three-terminal voltage-stabilizings, is exported the 5V direct-current working volts.

2. input igniter for automobile 12V direct voltage is worked for chip (IC101) by output B+ output 8V direct voltage through the voltage stabilizing circuit that switching tube Q201, switching tube Q301, switching tube Q303 constitute.This 8V direct voltage is controlled by switching tube Q201, closes the 8V direct voltage after 60 seconds automatically, and entire circuit enters holding state.5.4.2 conversation part

1. driver's speech is by the pin (9) of built-in high sensitivity microphone MIC input chip IC 101, through internal circuit amplification, filtering, input to switching circuit IC201 from (4) pin electronic switch of chip IC 101, again from the output of (10) pin electronic switch of switching circuit IC201, send into mobile phone connector 100 and be launched away through trimmer potentiometer VR201.

2. the other side's speech is imported double operational circuit (IC203) by mobile phone connector 200 through trimmer potentiometer VR202, through amplifying conversion, input to the Audio in end of chip IC 101 from the Audio out end of double operational circuit, through internal circuit amplify, filtering, from (15) pin of chip IC 101 to earphone jack or directly broadcast away by boombox SPEAKER.

3. the other side's speech through internal circuit amplification, filtering, inputs to (9) pin of recording chip IC206 by mobile phone connector 200 (1) pin through trimmer potentiometer VR202 input double operational IC circuit 203 from (7) pin of double operational IC circuit 203.When manually pressing record button 300, give a signal, promptly practicable synchronization through d type flip flop IC202 (11) pin.5.4.3 control section

The recording (with among the 5.4.2 thirdly)

2. playback; When manually pressing playback button 400, the pin input signal triggers inner playback circuit work through recording chip IC206 (11), signal inputs to the Audio in end of chip IC 101 through the Audio of double operational circuit out end from (6) pin of recording chip IC206, through internal circuit amplification, filtering, broadcast out through earphone jack or boombox SPEAKER by chip IC 101 (15) pin.

3. quiet: when manually pressing quiet key 500, pin makes through d type flip flop IC202 (3):

(1) pin output high level of d type flip flop IC202 is lighted quiet indicator light.

(2) pin output low level of d type flip flop IC202, (12) pin of control switch IC circuit 201 makes electronic switch disconnect the voice output loop, to reach quiet purpose.

4. auto-pickup: complete machine is in holding state, when mobile phone signal is imported, through (1) pin inside acoustic control of trimmer potentiometer VR202 to sound control circuit IC204, (7) pin output high level of sound control circuit IC204, (3) pin level of switching circuit IC201 is uprised, switching tube Q202 conducting, switching tube Q201 work by low, speaking circuit IC101 is given in the work of 8V voltage stabilizing circuit power supply.Manually press when answering key 600, can realize that through mobile phone connector 200 both sides converse.5.4.4 voice suggestion

Each automotive ignition starts, and energized is after about ten seconds, and the hands-free message equipment on the automobile rearview mirror sends automatically that " you are good! Buckle Up " auditory tone cues.After finishing, auto shut off circuit.Next time, ignition trigger repeated work one time.

Claims (6)

1, a kind of hands-free message equipment that is loaded on the automobile rearview mirror, comprise mobile phone, rearview mirror, circuit board, built-in microphone, boombox, it is characterized in that built-in microphone, boombox, circuit board are contained in the automobile rearview mirror interlayer, on rearview mirror, be provided with a plurality of interfaces and button, be used for external mobile phone and control operation.

2, the hands-free message equipment that is loaded on the automobile rearview mirror according to claim 1, it is characterized in that mobile phone can place on the driving stand of steering wheel sidepiece, attaching plug is connected on the automobile cigarette lighter, the input of 12V direct voltage, mobile phone, output signal all are connected with interface on the automobile rearview mirror by lead respectively.

3, the hands-free message equipment that is loaded on the automobile rearview mirror according to claim 1, it is characterized in that comprising reception control circuit, speaking circuit, recording playback sound memory circuit, power circuit, wherein reception control circuit is made of double operational circuit, sound control circuit (IC204), switching circuit (IC201) and side circuit thereof; Speaking circuit is made of chip (IC101) and side circuit thereof; Recording playback sound memory circuit is formed by connecting by d type flip flop (IC202), recording chip (IC206), wherein

A, speaking circuit (transmission): the pin (9) of built-in microphone input chip IC 101, through internal circuit amplification, filtering, input to switching circuit IC201 from (4) pin electronic switch of chip IC 101, export from (10) pin electronic switch of switching circuit IC201 again, send into the mobile phone connector and be launched away through trimmer potentiometer VR201

B, speaking circuit (reception): the other side's speech is imported double operational circuit (IC203) by the mobile phone connector through trimmer potentiometer VR202, through amplifying conversion, input to the Audio in end of chip IC 101 from the Audio out end of double operational circuit, through internal circuit amplification, filtering, from (15) pin of chip IC 101 to earphone jack or directly broadcast by boombox

C, recording circuit: the other side's speech is by mobile phone connector (1) pin through trimmer potentiometer VR202 input double operational IC circuit 203, amplify through internal circuit, filtering, input to (9) pin of recording chip IC206 from (7) pin of double operational IC circuit 203, when manually pressing record button, d type flip flop IC202 gives a signal, be practicable synchronization, the auto-pickup circuit: complete machine is in holding state, when mobile phone signal is imported, through (1) pin inside acoustic control of trimmer potentiometer VR202 to sound control circuit IC204, (7) pin output high level of sound control circuit IC204, (3) pin level of switching circuit IC201 is uprised, switching tube Q202 conducting, switching tube Q201 work by low, the work of 8V voltage stabilizing circuit, give speaking circuit IC101 power supply, manually press when answering key, can realize that both sides converse.

4, the hands-free message equipment that is loaded on the automobile rearview mirror according to claim 1 is characterized in that establishing voice warning circuit, and voice warning circuit is made of voice sheet of having record and side circuit thereof, is used to play the sound of pre-recording.

5, the hands-free message equipment that is loaded on the automobile rearview mirror according to claim 1, when it is characterized in that manually pressing playback button, recording chip IC206 triggers inner playback circuit work from (11) pin input signal, signal inputs to the Audio in end of chip IC 101 through the Audio of double operational circuit out end from (6) pin of recording chip IC206, through internal circuit amplification, filtering, broadcast out through earphone jack or boombox by chip IC 101 (15) pin.

6, the hands-free message equipment that is loaded on the automobile rearview mirror according to claim 1, when it is characterized in that manually pressing quiet key, (3) pin of d type flip flop IC202 makes:

(1) pin output high level of d type flip flop IC202 is lighted quiet indicator light.

(2) pin output low level of d type flip flop IC202, control switch IC circuit 201

(12) pin, make electronic switch disconnect the voice output loop.

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