CN201523375U - Radio receiver - Google Patents
Radio receiver Download PDFInfo
- Publication number
- CN201523375U CN201523375U CN2009202593862U CN200920259386U CN201523375U CN 201523375 U CN201523375 U CN 201523375U CN 2009202593862 U CN2009202593862 U CN 2009202593862U CN 200920259386 U CN200920259386 U CN 200920259386U CN 201523375 U CN201523375 U CN 201523375U
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- China
- Prior art keywords
- volume
- pointer
- dial
- broadcast receiver
- dial plate
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Abstract
The utility model discloses a radio receiver, which comprises an upper cover, a bottom casing, a radio receiving and amplifying device, four soft touch push buttons, a light-emitting and indicating diode, a circular dial, a special control chip, a miniature stepping motor, a digital tuning module and a digital volume regulating module. The radio receiver is characterized in that the upper cover of the radio receiver is embedded into the dial provided with a speaker sounding hole screen and the circular dial; a radio station frequency dial and a turning and channel selecting pointer are arranged on the dial; a sound volume scale dial and a volume regulating pointer are also arranged on the dial; both the turning and channel selecting pointer and the volume regulating pointer are driven by an inner rotating shaft and the outer rotating shaft of the same miniature stepping motor; the miniature stepping motor is controlled by a special control chip (20); I2C bus serial pins of the digital tuning module and the digital volume regulating module are respectively connected to the I/O port of the special control chip; the traditional operation and information display mode of the radio receiver is changed; the structure is compact; the operation is simple; and the utility model accords with people's habit of observation.
Description
Technical field
The utility model relates to a kind of broadcast receiver, refers in particular to a kind of digital tuning broadcast receiver that adopts the pointer scale mode to indicate.
Background technology
Broadcast receiver is the popular instrument that receives public broadcasting, traditional broadcast receiver mainly contains digital tuning and mechanical tuning dual mode, the broadcast receiver of digital tuning is to adopt pll frequency synthesizer basically, the channel selection data directly show frequency of radio station by the LCD liquid crystal display screen, mechanical tuning then realizes that by the driving wheel that the backguy that is wrapped on the tuning knob drives on the variable capacitor rotation axis transfiguration is tuning, be fixed with the tuning pointer of channel selection in the backguy, and along with backguy moves around about on the frequency scale plate together, volume is regulated then by being installed in knob on the potentiometer shaft and is changed its resistance value and finish, and wireless this channel selection tuning mode and volume control mode are unalterable basically.
Summary of the invention
The purpose of this utility model has provided a kind of based under digital tuning and the digital volume regulative mode, adopt a micro-step motor to drive two pointers, one of them pointer is used to refer to tuning channel selection, and another pointer is used to refer to the digital broadcast receiver of volume.
The utility model is achieved in that a kind of broadcast receiver, comprise loam cake, drain pan and radio reception amplifying device, four contact buttons, circular scale, volume scale dial plate, volume is regulated pointer, two indication light-emitting diodes, the frequency of radio station dial plate, the tuning pointer of channel selection, special integrated circuit, micro-step motor, digital tuning module and digital volume adjusting module, the light sensing transducer, backlight, embed the dial (3) that a square sound horn hole pattern cover and a circle are arranged on the panel of described broadcast receiver loam cake, include a volume digital calibration dial plate and a volume adjusting pointer on the dial, a frequency of radio station numeral dial plate and the tuning pointer of channel selection.
Described micro-step motor is two rotation axis micro-step motors that have interior rotation axis and outer rotation axis simultaneously, rotation axis has the identical center of circle with outer rotation axis in it, micro-step motor is controlled by special integrated circuit, and the minimum step angle that its rotation axis moves is 0.083 °/step.
The frequency of radio station dial plate that contains an arc on the described dial, comprise FM frequency range, MW frequency range and SW frequency range, circle centre position at the scale dial plate is equipped with the tuning pointer of channel selection that points to the frequency of radio station dial plate, and the tuning pointer of channel selection drives deflection by the outer rotation axis of micro-step motor.
The volume scale dial plate that also contains an arc on the described dial, meter full scale on the volume scale dial plate is 0 to 10, minimum division value is 0.5, all graduation marks all are uniform, circle centre position at the scale dial plate is equipped with the volume adjusting pointer that points to volume scale dial plate, and volume is regulated the interior rotation axis drive deflection of pointer by micro-step motor.
Also containing sign on the described dial has the indication light-emitting diode of " TUNE " tuning channel selection operation, and when carrying out tuning channel selection operation, its light-emitting diode is lighted.
Also containing sign on the described dial has the volume of " VOLUME " to regulate the indication light-emitting diode of operating, and carries out volume and regulates when operating, and its light-emitting diode is lighted.
Described covering on wireless contained four contact buttons, be respectively sign have the channel selection tune button of " T ", volume that sign has " V " regulate button, sign have downward adjusting button, the sign of " ↓ " have " ↑ " to the adjusted button.
Described broadcast receiver, its radio reception amplifying device comprise a digital tuning module, a digital volume adjusting module, more than two kinds of modules all adopt I
2The C bus interface, its two-wire system serial pin links to each other with the I/O port of special integrated circuit respectively.
Have a light sensing transducer to link to each other with special integrated circuit in the described broadcast receiver, carry out the channel selection tuner operation or carry out volume when regulating operation under the low light conditions or at night, backlight is lighted.
Contain telescopic antenna, mains switch, Frequency Band Selection switch, external DC6V supply socket, battery pack lid on the described wireless drain pan, described Frequency Band Selection switch comprises third gear, is respectively the switch gear AM frequency range that places top, places the FM frequency range at middle part and place the SW frequency range of bottom.
Compare with common broadcast receiver, the beneficial effects of the utility model are as follows:
The first, the utility model adopts four buttons to add digital tuning drive gear mode and adjusts frequency of radio station and volume, be different from the broadcast receiver that traditional employing tuning knob and volume knob are regulated, changed existing wireless operator scheme, simpler and very clear in the operation.
The second, utilize micro-step motor to drive pointer, changed the pointing-type that common broadcast receiver adopts cable quadrant to drive pointer or adopts LCD demonstration numeral, remedied the monotonicity of existing broadcast receiver information display mode, its pointer indicating mode more meets people's observation habit.
Three, the indicating mode of the stepper motor drive finger of the utility model employing is compared the mechanical tuning mode that cable quadrant drives pointer, and is structurally simpler; Compare the display mode of digital tuning LCD, the expense cost on the hardware is lower.
Four, the micro-step motor of the utility model employing is a kind of totally digitilized device, but micro-stepping moves, no accumulated error, directly link to each other with special integrated circuit, the step angle of minimum controllable is 0.083 °/step, therefore, no matter be tuning or the volume adjustment, all can reach the meticulous adjustment degree that can be satisfied with.
Description of drawings
Fig. 1 is a right side of the present utility model outline drawing;
Fig. 2 is a front view of the present utility model;
Fig. 3 is a left side of the present utility model outline drawing;
Fig. 4 is the backsight outline drawing of drain pan of the present utility model;
Fig. 5 is the outline drawing after the utility model protecgulum, drain pan decompose;
Fig. 6 is the utility model electricity theory diagram.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model, broadcast receiver disclosed in the utility model comprises: loam cake (1), sign has the volume of " V " to regulate button (2), circular scale (3), the volume scale dial plate (4) of arc, volume is regulated pointer (5), sign has the volume of " VOLUME " to regulate indication light-emitting diode (6), sign has the downward adjusting button (7) of " ↓ ", the sign have " ↑ " to adjusted button (8), sign has the tuning channel selection indication light-emitting diode (9) of " TUNE ", the frequency of radio station dial plate (10) of arc, the tuning pointer of channel selection (11), sign has the channel selection tune button (12) of " T ", telescopic antenna (13), square sound horn hole pattern cover (14), mains switch (15), third gear Frequency Band Selection switch (16), external electric supply socket (17), battery pack lid (18), drain pan (19), special integrated circuit (20), micro-step motor (21), the interior rotation axis (22) of micro-step motor, the outer rotation axis (23) of micro-step motor, digital tuning module (24), numeral volume adjusting module (25), light sensing transducer (26), backlight (27).
Be to be formed by connecting on the utility model structure by loam cake (1) and drain pan (19) part, wherein, on drain pan (19), contain telescopic antenna (13), mains switch (15), third gear Frequency Band Selection switch (16), external power supply DC6V socket (17), battery pack lid (18).Wherein, it is to turn on the broadcast receiver power supply that mains switch (15) places the 0N position, and placing the OFF position is powered-down.Frequency Band Selection switch (16) comprises third gear, be respectively that gear places AM frequency range, the gear on top to place the FM frequency range and the gear SW frequency range that places the bottom at middle part, dial in upper, middle and lower three different positions when Frequency Band Selection switch (16) and promptly choose corresponding frequency range.
Embed the dial (3) that a square sound horn hole pattern cover (14) and a circle are arranged on loam cake of the present utility model (1) panel, also comprise four contact buttons (2) (7) (8) (12), two luminous indicating diodes (6) (9), circular scale (3).On circular scale (3), comprise the volume scale dial plate (4) of arcuation and the frequency of radio station dial plate (10) and the tuning pointer of channel selection (11) of volume adjusting pointer (5), arcuation.Wherein, comprise modulating FM frequency range, medium wave MW frequency range and shortwave SW frequency range on the circular-arc frequency of radio station dial plate (10), wherein, the scope of modulating FM frequency range is 88MHz to 108MHz, the scope of MW frequency range is 530 to 1600KHz, the scope of shortwave SW frequency range is 4.60MHz to 9.30MHz, and selecting different frequency ranges is to be decided by the position that Frequency Band Selection switch (16) is stirred.Circle centre position at scale dial plate (3) is equipped with the tuning pointer of channel selection (11) that points to frequency of radio station dial plate (10), and the tuning pointer of channel selection (11) drives deflection by the outer rotation axis (23) of micro-step motor (21).The volume scale dial plate (4) that also contains an arc on the dial (3), meter full scale on the volume scale dial plate (4) is 0 to 10, minimum division value is 0.5, and all graduation marks all are uniformly, wherein, at scale is 0 place, the volume minimum is 10 places at scale, the volume maximum, the circle centre position of scale dial plate (3) is equipped with the volume of pointing to volume scale dial plate (4) and regulates pointer (5), and volume is regulated interior rotation axis (22) the drive deflection of pointer (5) by micro-step motor (21).
On loam cake (1), contain four contact buttons, be respectively sign have channel selection tune button (12), the sign of " T " have the volume of " V " regulate button (2), sign have downward adjusting button (7), the sign of " ↓ " have " ↑ " to adjusted button (8).Its operation is as follows: for example, when Frequency Band Selection switch (16) is stirred in the centre position (FM frequency range), at this moment pressing sign has the channel selection tune button (12) of " T ", light-emitting diode (9) is lighted, what at this moment expression was carried out is to operate in the channel selection of FM frequency range, if press the sign have " ↑ " to adjusted button (8), tuning pointer (11) will be gone up clockwise deflection at the frequency of radio station dial plate (10) of arc, if press the downward adjusting button (7) that sign has " ↓ ", tuning pointer (11) will be gone up counterclockwise deflection at frequency of radio station dial plate (10), choose the radio station after, press channel selection tune button (12) again, light-emitting diode (9) extinguishes, and the expression channel selection finishes.
Similarly, the adjusting operation of volume is as follows, pressing sign has the volume of " V " to regulate button (2), at this moment light-emitting diode (6) is lighted, and what at this moment expression was carried out is that volume is regulated operation, if press sign have " ↑ " to adjusted button (8), volume is regulated pointer (5) will be in the clockwise deflection of volume scale dial plate (4) superinverse of arc, volume strengthens thereupon, and throw of pointer is to 10 scale places, volume maximum; If press the downward adjusting button (7) that sign has " ↓ ", volume is regulated pointer (5)) will will go up clockwise deflection at volume scale dial plate (4), volume reduces thereupon, throw of pointer is to 0 scale place, volume is closed fully, press volume again and regulate button (2), light-emitting diode (7) extinguishes, and the adjustment of expression volume finishes.
Fig. 6 is an internal electrical theory diagram of the present utility model, special integrated circuit (20) is wireless core control part, described radio reception amplifying device comprises a digital tuning module (24), a digital volume adjusting module (25), wherein, telescopic antenna (13) directly links to each other with digital tuning module (24), more than two kinds of modules all adopt I
2C bus communication mode, the serial pin of its two-wire system link to each other with the I/O port of special integrated circuit (20) respectively, and its volume is regulated data by I
2After the C bus is delivered to special integrated circuit (20), be converted into micro-step motor (21) as calculated and promote volume adjusting pointer (5) at the required angular displacement of volume adjusting dial plate upper deflecting; Similarly, its channel selection tuning data is by I
2After the C bus is delivered to special integrated circuit (20), be converted into micro-step motor (21) as calculated and promote the tuning pointer of channel selection (11) at the required angular displacement of frequency of radio station dial plate (10) upper deflecting.The micro-step motor (21) in addition that links to each other with special integrated circuit (20), realizing micro-stepping for the rotation axis that makes micro-step motor (21) rotates, special integrated circuit (20) inside is built-in with motor micro-stepping segmentation driver module, can make motor rotation axis realize 0.083 ° of per step rotation, the tuning pointer of its channel selection (11) drives deflection by the outer rotation axis (23) of micro-step motor (21), and volume is regulated interior rotation axis (22) the drive deflection of pointer (5) by micro-step motor (21).The sign that also has that links to each other with special integrated circuit (20) has the tuning channel selection indication light-emitting diode (9) of " TUNE ", and sign has the volume of " VOLUME " to regulate indication light-emitting diode (6).Four contact buttons (12) (2) (7) (8), the I/O port with special integrated circuit (20) links to each other respectively.
In the utility model, under low light conditions or under the night condition, there is the secondary light source of a backlight (27) to illuminate dial (3) and corresponding pointer, a light sensing transducer (26) links to each other with special integrated circuit (20), can send special integrated circuit (20) with the ambient light information of perception, if press the channel selection tune button (12) that sign has " T " at night, backlight (27) will be lighted automatically, pressing sign again has the channel selection tune button (12) of " T ", when promptly withdrawing from the channel selection operation, backlight (27) will extinguish; Similarly, pressing sign has the volume of " V " to regulate button (2), and backlight (27) will be lighted automatically, and pressing sign again has the volume of " V " to regulate button (2), and when promptly withdrawing from volume adjusting operation, backlight (27) will extinguish.
Broadcast receiver described in the utility model has changed traditional wireless operator scheme and information display mode, and is succinct on the structure, simple in the operation, meets people's observation habit.
Claims (10)
1. broadcast receiver, comprise loam cake (1), drain pan (19) and radio reception amplifying device, four contact buttons (2) (7) (8) (12), circular scale (3), volume scale dial plate (4), volume is regulated pointer (5), two luminous indicating diodes (6) (9), frequency of radio station dial plate (10), the tuning pointer of channel selection (11), special integrated circuit (20), micro-step motor (21), digital tuning module (24) and digital volume adjusting module (25), light sensing transducer (26), backlight (27), it is characterized in that, embed the dial (3) that a square sound horn hole pattern cover (14) and a circle are arranged on the panel of described broadcast receiver loam cake (1), include a volume digital calibration dial plate (4) and a volume adjusting pointer (5) on the dial (3), a frequency of radio station numeral dial plate (10) and a tuning pointer of channel selection (11).
2. broadcast receiver according to claim 1, it is characterized in that, micro-step motor (21) is a micro-step motor that has two rotation axiss of interior rotation axis (22) and outer rotation axis (23) simultaneously, rotation axis (22) has the identical center of circle with outer rotation axis (23) in it, micro-step motor (21) is by special integrated circuit (20) control, and the minimum step angle that rotation axis moves is 0.083 °/step.
3. broadcast receiver according to claim 1, it is characterized in that, the frequency of radio station dial plate (10) that contains an arc on the dial (3), comprise FM frequency range, MW frequency range and SW frequency range, circle centre position at scale dial plate (3) is equipped with the tuning pointer of channel selection (11) that points to frequency of radio station dial plate (10), and the tuning pointer of channel selection (11) drives deflection by the outer rotation axis (23) of micro-step motor (21).
4. broadcast receiver according to claim 1, it is characterized in that, the volume scale dial plate (4) that also contains an arc on the dial (3), meter full scale on the volume scale dial plate (4) is 0 to 10, minimum division value is 0.5, all graduation marks all are uniformly, at the circle centre position of scale dial plate (3) volume of pointing to volume scale dial plate (4) are installed and regulate pointer (5), and volume is regulated pointer (5) and driven deflection by the interior rotation axis (22) of micro-step motor (21).
5. broadcast receiver according to claim 1 is characterized in that, also contains the indication light-emitting diode (9) that sign has " TUNE " tuning channel selection operation on the dial (3), and when carrying out tuning channel selection operation, light-emitting diode (9) is lighted.
6. broadcast receiver according to claim 1 is characterized in that, also containing sign on the dial (3) has the volume of " VOLUME " to regulate the indication light-emitting diode of operating (6), carries out volume and regulates when operating, and light-emitting diode (6) is lighted.
7. broadcast receiver according to claim 1, it is characterized in that, on the panel of loam cake (1), contain four contact buttons, be respectively sign have channel selection tune button (12), the sign of " T " have the volume of " V " regulate button (2), sign have downward adjusting button (7), the sign of " ↓ " have " ↑ " to adjusted button (8).
8. broadcast receiver according to claim 1, it is characterized in that, the radio reception amplifying device comprises a digital tuning module (24), a digital volume adjusting module (25), more than two kinds of modules all adopt the I2C bus interface, its two-wire system serial pin links to each other with the I/O port of special integrated circuit (20) respectively.
9. broadcast receiver according to claim 1, it is characterized in that, a light sensing transducer (26) links to each other with special integrated circuit (20), carries out the channel selection tuner operation or carries out volume when regulating operation under the low light conditions or at night, and backlight (27) is lighted.
10. broadcast receiver according to claim 1, it is characterized in that, on drain pan (19), contain telescopic antenna (13), mains switch (15), Frequency Band Selection switch (16), external DC6V supply socket (17), battery pack lid (18), described Frequency Band Selection switch (16) comprises third gear, is respectively the switch gear AM frequency range that places top, places the FM frequency range at middle part and place the SW frequency range of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202593862U CN201523375U (en) | 2009-11-25 | 2009-11-25 | Radio receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202593862U CN201523375U (en) | 2009-11-25 | 2009-11-25 | Radio receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201523375U true CN201523375U (en) | 2010-07-07 |
Family
ID=42509551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202593862U Expired - Fee Related CN201523375U (en) | 2009-11-25 | 2009-11-25 | Radio receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201523375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611519A (en) * | 2019-08-28 | 2019-12-24 | 深圳市普威技术有限公司 | Wave trap |
| EP3748877A4 (en) * | 2018-05-18 | 2021-04-14 | Shenzhen Airsmart Technology Co., Ltd. | Interactive device for internet radio station |
-
2009
- 2009-11-25 CN CN2009202593862U patent/CN201523375U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3748877A4 (en) * | 2018-05-18 | 2021-04-14 | Shenzhen Airsmart Technology Co., Ltd. | Interactive device for internet radio station |
| CN110611519A (en) * | 2019-08-28 | 2019-12-24 | 深圳市普威技术有限公司 | Wave trap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20121125 |