CN2333015Y

CN2333015Y - Multipurpose solar electronic glasses

Info

Publication number: CN2333015Y
Application number: CN 97239671
Authority: CN
Inventors: 李剑
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-06-06
Filing date: 1997-06-06
Publication date: 1999-08-11
Anticipated expiration: 2007-06-06

Abstract

The utility model relates to a multipurpose solar electronic glasses. The utility model is composed of a glasses, a solar cell which is arranged on a glasses rack, an earphone which is arranged on a glasses arm, a receiver circuit, an external signal input device. The utility model is mainly used for receiving FM broadcast and listening the music of a CD personal stereo and a magnetic-tape personal stereo, or the utility model is used for receiving the language broadcast of an additional channel. The receiver circuit adopts electronic tuning and an electronic switch to control the volume, and the receiver circuit adopts the solar power as a power supply. The utility model has the advantages of simple operation, high sensitivity, clear sound, novel appearance, beautiful appearance, convenient wearing, etc.

Description

The multipurpose solar electronic glasses

The utility model relates to a kind of by the electric tuning channel selection, electronic switch control volume, the multipurpose solar electronic glasses of solar powered mode.Be to reach by above-mentioned approach to receive FM frequency modulation broadcasting program specifically, or listen to SCA (Subsiary Communication Authorization) additional channel language broadcast program, and the multipurpose solar electronic glasses of listening to CD or tape walkman music program.

Present known fm broadcast receiver mostly adopts the boxlike exterior design, the tuning and potentiometer control volume mode of rotary variable capacitance.This design not only makes product design fall within convention, operates not very conveniently, and function ratio is more single, lacks the market competitiveness.

CN2108942U (July 1 1992 day for announcing) discloses a kind of radio reception hearing-aid type glasses, and is novel, certain practical value arranged, but following shortcoming is arranged:

1. adopt rotary variable capacitor tuning, the rotation variable potentiometer is regulated volume, operation inconvenience, and make small product size huge, wear uncomfortable.

2. it is cumbersome to change power supply.

3. function singleness, applicable surface is narrow.

The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art part, and provide a kind of employing electric tuning channel selection, electronic switch control volume, solar powered being used to receive FM stereophonic broadcast, or listen to SCA (Subsidiary Communication Authorization) additional channel language broadcast program, and can refute mutually with discman or tape walkman and fetch the multi-usage sun electronic glasses of listening to the high quality of music program.

Special character of the present utility model is that design proposal is: a kind of multipurpose solar electronic glasses, comprise: mirror holder 1, solar cell 2, be installed in the button accumulator 3 and the receiver circuit 4 of handel front end inboard, the left and right sides respectively, dual-channel headphone 5, tuning switch 6, tuning reset switch 7, volume increase gauge tap 8, volume decrease gauge tap 9, the external signal input socket 10 of right handel end and the signal input line 11 that can freely take off or insert, described solar cell 2 is contained in the top, forward position of mirror holder, link to each other with button accumulator 3, by power switch SK ₁Join with the power input of receiver circuit 4, touch-switch 6 to 9 is contained in the preceding right side of mirror holder, 6,7 electric tuning input end and the electric tuning reset terminals that connect receiver circuit 4 respectively, 8,9 be connected on volume control end, signal transmssion line 11 can insert in the external signal input socket 10, and this socket is connecting receiver circuit 4 and dual-channel headphone 5.

Dual-channel headphone 5 is installed on the handel of the left and right sides, and for adapting to different people's shape of face size, it can be movable before and after point of fixity in 60 degree angular ranges.

The circuit of each part mentioned above connects, and all connects by being embedded in banded flexible printing lead 12 special in the spectacle frame groove, and groove is prefabricated when making spectacle frame, can guarantee that banded flexible printing lead and spectacle frame fuse into one.

Receive purpose for finishing audio frequency, the utility model technical solution is as follows, comprising:

1) power unit, comprise: solar cell 2, button accumulator 3, described solar cell 2 is contained in top, mirror holder forward position, its current output terminal is in parallel with accumulator 3 by an anti-adverse current diode, 3 power supply buffer actions of accumulator can reduce the capacity requirement to solar cell, and this part is by a power switch SK who is installed on the mirror holder ₁Link to each other with the power end of receiver circuit 4,, be provided with the attached supply socket CN that helps in order in case of emergency to be accumulator 3 rapid charges ₁, being installed in left handel end, its positive and negative contact connects accumulator 3 two ends.

2) electric tuning receiving circuit comprises: the special-purpose receiving integrate circuit IC of the electric tuning of paster packing forms ₁,

switch

6,7, the special-purpose receiving integrate circuit IC of described electric tuning ₁Model is TDA7088T, and its 15th pin links to each other with switch 6, and the 16th pin links to each other with switch 7, in order to improve sensitivity, at IC ₁Input end has designed by BG ₁The antenna amplifying circuit that constitutes.Antenna AT adopts telescopic telescopic antenna or mobilizable helical antenna, is installed in the preceding left of mirror holder.

3) additional function circuit comprises a stereo decoding IC circuit ₂, described IC ₂The 7th pin meets a functional switch SK ₂, do stereo and monophony control usefulness, SK ₂Be installed in right handel front end below.

4) outer input type electronic switch control power amplifier comprises: field effect transistor BG ₂, BG ₃,

switch

8,9, power amplifier integrate circuit IC ₃And external signal input socket 10, signal transmssion line 11, the grid G of described two field effect transistor link to each other and with a charging capacitor C ₁Join, and discharge and recharge resistance R by two ₁, R ₂Link to each other with switch 8,9.Power amplifier integrate circuit IC ₃Input end 2,3 pin by electric capacity respectively with BG ₂, BG ₃Source S link to each other,

output terminal

6,7 pin link to each other with two normally closed contacts of socket 10, and further join with left and right acoustic channels earphone 5.Signal input line 11 is signal transmssion lines that two ends respectively connect a miniplug, its end can insert external signal input socket 10, the other end inserts in walkman audio frequency output (earphone) jack, plays connection walkman and multipurpose solar electronic glasses and uses.

Technical solution of the present utility model can also be:

The additional function circuit can be the demodulator circuit of the frequent rate of demodulation SCA (Subsidiary CommunicationAuthorization) additional channel language broadcasting appendix, by BG ₄, inductance L, integrated circuit (IC) ₄Constitute BG ₄Base stage is by functional switch SK ₂A, the M point and the IC of A channel ₁The 2nd pin phase break-make, the elementary and capacitor C L of inductance L forms resonant circuit, meets BG ₄Emitting stage, L time level meets IC ₄7th, 8 pin, output terminal IC ₄The 14th pin is by functional switch SK ₂J, B point and the back level break-make mutually of B passage, functional switch adopts the dpdt double-pole double-throw (DPDT) waver, its K, N point is continuous.

Outer input type electronic switch control power amplifier, but monophony form are by field effect transistor BG ₅, touch-

switch

8,9, power amplifier IC ₃And external signal input socket 10 constitutes.BG ₅Grid G connect a capacitor C ₂, and discharge and recharge resistance R by one ₃Link to each other with switch 8,9.IC ₃Output terminal 6,7 pin are combination hub 10 normally closed contacts and public end respectively, goes forward side by side one one to link to each other with the dual-channel headphone 5 of parallel connection.

The utility model accompanying drawing drawing is described as follows:

Fig. 1 is the utility model appearance structure synoptic diagram.

Fig. 2 is the utility model circuit block diagram.

Fig. 3 is the utility model power circuit diagram.

Fig. 4 is the utility model circuit theory diagrams.

Fig. 5 is the monophony output form circuit theory diagrams that the utlity model has SCA additional channel language broadcast receiving function.

Each piece mark is described as follows among the figure:

The 1-mirror holder, 2-solar cell, 3-button accumulator, 4-receiver circuit, 5-earphone, the 6-tuning switch, the tuning reset switch of 7-, 8-volume increase gauge tap, 9-volume decrease gauge tap, 10-external signal input socket, 11-signal transmssion line, the banded flexible printing lead of 12-, SK ₁-power switch, SK ₂-functional switch, CN ₁-attached supply socket, the AT-telescopic antenna of helping.

Element described in the above-mentioned figure all adopts surface mount elements or microminiature potted element, and adopts surface mounting technique to install, and reaches and effectively dwindles circuit volume purpose.The main element model is IC1:TDA7088T, IC2:TDA7040T, IC3:TDA7050T, IC4:TDA7021T or SKA22429.

The utility model is described in further detail below in conjunction with accompanying drawing.

Referring to Fig. 1, Fig. 3, the solar cell 2 that is contained on the picture frame produces photocurrent under the ordinary ray irradiation, uses for receiver circuit 4 after 3 bufferings of the button accumulator on the left handel, and unnecessary electrical power storage is in accumulator 3.The attached supply socket CN that helps of handel end ₁Be in emergency circumstances to be accumulator 3 rapid charge settings.As power switch SK ₁During connection, receiver gets electric work.

Referring to Fig. 1, Fig. 4, behind operation of receiver, click the switch 7 on the mirror holder earlier, press switch 6 again, IC ₁Promptly by low side to high-end automatic searching broadcasting station, when receiving the radio signals finger lock, by IC ₁The 2nd pin output FM multiplex composite signal.If press switch 6 again, IC ₁To other radio station of high-end search, press switch 7, IC again ₁Then return to least significant end.IC ₁The FM multiplex composite signal of output is sent into IC ₂The 8th pin is through IC ₂Behind the stereo demodulation,, deliver to BG by 5,6 pin output left and right acoustic channels sound signal ₂, BG ₃Drain D in, carry out the volume of electronic switch control and regulate.Its principle is: whenever click touch-

switch

8 or 9, pass through R ₁Or R ₂To BG ₂, BG ₃Capacitor C on the grid G ₁Carry out charge or discharge, thereby change grid potential, and the height of grid potential decision drain-source electrode resistance R _DSSize, promptly determined to enter IC ₃2nd, the power of 3 pin sound signals reaches electronic switch control volume purpose.IC ₃The sound signal of amplifying is exported by 6,7 pin, enters in the dual-channel headphone 5 through two normally closed contacts of socket 10, finishes the FM reception function.In signal transmssion line 11 1 ends insertion walkman earphone output plughole, when the other end inserted in the socket 10, socket 10 normally closed contacts were opened earphone 5 and IC ₃Disconnection and process signal transmssion line 11 link to each other with walkman, disconnect the FM reception function and enter and listen to CD music or tape music stage.

Referring to Fig. 1, Fig. 5, present embodiment BG ₄, resonant circuit LC _L, IC ₄Constitute the additional channel language broadcast demodulation circuit that energy demodulation SCA pays carrier wave.Its demodulation is paid the frequency of carrier wave by resonant circuit LC _LAnd IC ₄The decision of peripheral circuit element parameter.The fm composite signal that comprises SCA appendix ripple is by functional switch SK ₂A, the M point input BG of A channel ₄Base stage is through amplification, LC _LFrequency-selecting, IC ₄Demodulation is then by the output of 14 pin, by functional switch SK ₂B passage J, B point and BG ₅Drain D is joined.Behind

Push switch

8 or 9, BG ₅Electric capacity on the grid will pass through resistance R ₃Charge or discharge, thus grid potential changed, further changed drain-source electrode resistance R _DS, determining IC ₃The signal intensity of input end 1,3 pin reaches change volume purpose.IC ₃The sound signal of amplifying is outputed in the dual-channel headphone 5 in parallel by the normally closed contact of 6,7 pin through external signal input socket 10.Functional switch SK ₂K, N point link to each other, when switch two cuttves place AN, BK position, IC ₁The 2nd pin signal leads directly to BG ₅Drain D disconnects SCA additional channel language receiving function, other parts and noted earlier identical.

Can find out that in conjunction with above embodiment the utility model has following advantage compared with prior art:

1. exterior design is new and original, wear use more convenient.

2. simple to operate.Because electric tuning channel selection, electronic switch control volume, solar powered mode is so the utility model is using and operating all very simple.

3. have and receive frequency modulation broadcasting or listen to the broadcasting of SCA additional channel language, and the multiple function of listening to discman or tape walkman, and all advantages of glasses are arranged, usable range is wide.

Claims

1. multipurpose solar electronic glasses, it is characterized in that comprising: mirror holder (1), electric battery (2) (3), receiver circuit (4), earphone (5), switch (6) (7) (8) (9), external signal input socket (10) and signal transmssion line (11), described multipurpose solar electronic glasses, solar cell (2) is contained in top, mirror holder forward position, link to each other with the button accumulator (3) of left handel front end inboard, and join by the power end of power switch SK1 and receiver circuit (4), described receiver circuit (4) is contained in right handel front end inboard, the electric tuning input end of receiver circuit (4), electric tuning reset terminal and volume control end respectively with the touch-switch that is contained in the mirror holder right side (6), (7), (8), (9) join, about earphone (5) divides two, be contained in respectively on the handel of the left and right sides, external signal input socket (10) is contained in right handel end, and this socket is connecting receiver circuit (4) and earphone (5).

2. multipurpose solar electronic glasses according to claim 1 is characterized in that: described earphone (5) can be movable before and after point of fixity in 60 degree angular ranges.

3. multipurpose solar electronic glasses according to claim 1 is characterized in that, the connection of described each several part is to connect by being embedded in banded flexible printing lead (12) special in the spectacle frame groove.

4. multipurpose solar electronic glasses according to claim 1 is characterized in that receiver circuit comprises:

1) power unit comprises: solar cell (2), button accumulator (3), described solar cell (2) current output terminal by an anti-adverse current diode in parallel with accumulator (3), and with one be the attached supply socket CN that helps of accumulator (3) rapid charge ₁The both positive and negative polarity contact join, this socket is installed in left handel end.

2) electric tuning receiving circuit comprises: the special-purpose receiving integrate circuit IC of the electric tuning of paster packing forms ₁Reach touch-switch (6), (7), described switch (6), (7) connect ICl the 15th and 16 pin respectively, described electric tuning receiving circuit IC ₁Model is TDA7088T, has increased by BG for improving sensitivity ₁The antenna amplifying circuit that constitutes, described antenna AT is scalable telescopic antenna or helical antenna, is contained in the preceding left side of mirror holder.

3) additional function circuit comprises: the stereo decoding IC circuit ₂, described IC ₂The 7th pin and " " between be connected to functional switch SK ₂

4) outer input type electronic switch control power amplifier comprises: field effect transistor BG ₂, BG ₃, switch (8), (9), power amplifier integrate circuit IC ₃And external signal input socket (10), signal transmssion line (11), the grid G of described two field effect transistor link to each other and with a charging capacitor C ₁Join, and discharge and recharge resistance R by two ₁, R ₂Link to each other power amplifier integrate circuit IC with switch (8), (9) ₃Input end 2,3 pin by electric capacity respectively with BG ₂, BG ₃Source S link to each other, output terminal 6,7 pin link to each other with two normally closed contacts of socket (10), and further join with earphone (5).

5. multipurpose solar electronic glasses according to claim 1 and 2 is characterized in that, described outer input type electronic switch control power amplifier can be the monophony form, by field effect transistor BG ₅, touch-switch (8), (9), power amplifier IC ₃And external signal input socket (10) constitutes BG ₅Grid G connect a capacitor C ₂, and pass through resistance R ₃Link to each other IC with switch (8), (9) ₃Output terminal combination hub (10), the earphone (5) with parallel connection of going forward side by side links to each other.

6. multipurpose solar electronic glasses according to claim 1, it is characterized in that, described signal transmssion line (11) is made of a signal wire and two miniplugs, plug is welded on the signal wire two ends respectively, one end can insert in the socket (10), and the other end can insert in the walkman audio output jack.