CN205827122U - A kind of for indicating circuit and the display device of time - Google Patents
A kind of for indicating circuit and the display device of time Download PDFInfo
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- CN205827122U CN205827122U CN201620406061.2U CN201620406061U CN205827122U CN 205827122 U CN205827122 U CN 205827122U CN 201620406061 U CN201620406061 U CN 201620406061U CN 205827122 U CN205827122 U CN 205827122U
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Abstract
The utility model discloses a kind of circuit and display device for indicating the time, wherein, described circuit includes: clock chip, display lamp module, and described display lamp module is used for presenting different luminance state；Micro-control unit, described micro-control unit is for according to clock chip timing, sending signal to described display lamp, to control the brightness of described display lamp；Power supply, for providing power supply for described display lamp module, clock chip and micro-control unit；Universal input/output GPIO, described micro-control unit sends signal by described universal input/output GPIO to described display lamp module.User can may determine that current time according to the light and shade change of display lamp module or currently use the time, facilitates user to check at any time.
Description
Technical field
This utility model relates to time showing field, particularly relates to a kind of circuit and display device for indicating the time.
Background technology
Along with the development of science, television set, computer etc. have the domestic electric appliance of display device in people's day
Often more and more universal in life, the information of outside understood by the commonly used television set of people and computer.
When watching TV or using computer to entertain, for excellent TV programme or the trip of tense and stimulation
Play, user is the most so enchanted by the scenery as to forget to return, and then makes user have forgotten viewing TV or use computer to carry out the time entertained.And mesh
User the most actively pointed out the function of currently used time by front television set or computer.For current television set, use
If family needs to obtain the presently used time, need to send query time signal to television set, so by remote controller
The most current time just can show on the tv screen, and therefore, operating process is comparatively laborious, to user's day usually through TV
The machine acquisition currently used time makes troubles.
Digital LED is used to show on television panels additionally, there is the real-time time of small part television set to show mainly at present
Display screen or in TV image superposition timing code two ways represent.Digital LED screen scheme problem is encountered that digital LED screen
Contradiction between size and display effect: if user needs to see the most easily in LED screen in the distance of viewing TV
Writing, this requires that writing is the bigger the better, but this must increase television enclosure size to adapt to the installation of bigger LED screen,
So causing cost to increase, this is the most uneconomical.And superposition timing code telescreen displaying scheme can destroy picture in TV image
Face integrity, affects viewing effect.
Summary of the invention
In view of this, this utility model embodiment provides a kind of for indicating circuit and the display device of time, to solve
In prior art, user can not facilitate the technical problem of query time by display device.
First aspect, this utility model embodiment provides a kind of circuit for indicating the time, including:
Clock chip, for timing；
Display lamp module, described display lamp module is used for presenting different luminance state；
Micro-control unit, described micro-control unit is used for, according to clock chip timing, sending signal to described display lamp, with
Control the brightness of described display lamp；
Power supply, for providing power supply for described display lamp module, clock chip and micro-control unit；
Universal input/output GPIO, described micro-control unit passes through described universal input/output GPIO to described display lamp
Module sends signal；
The output pin of described clock chip electrically connects with the input pin of described micro-control unit, described micro-control unit
Output pin electrically connect with described universal input/output GPIO, described universal input/output GPIO and described display lamp module
Electrical connection, described power supply electrically connects with clock chip, micro-control unit and display lamp module respectively.
Further, described circuit also includes: EEPROM EEPROM, and described EEPROM is used for depositing
The storage system time, described EEPROM electrically connects with described micro-control unit..
Further, described circuit also includes: described circuit also includes: audion, series resistance and current-limiting resistance, described
GPIO electrically connects with the first end of described series resistance, and the second end of described series resistance is connected with the base stage of audion, described
The colelctor electrode of audion electrically connects with described power supply, and the emitter stage of described audion is electrically connected with the first end of described current-limiting resistance
Connecing, the second end of described current-limiting resistance electrically connects with the display lamp in display lamp module.
Further, described display lamp module includes at least two display lamp.
Further, described display lamp is LED.
Second aspect, this utility model embodiment additionally provides a kind of display device, including: the instruction time of above-mentioned offer
Circuit, wherein, described display lamp module is arranged on frame.
Further, below the logo of the frame that described display lamp module is arranged on described display device, wherein, described finger
Show that the display unit of lamp module is correspondingly arranged with the unit of described logo, so that the unit of described logo presents different bright
Degree.
Further, described display lamp is arranged on different frame, so that user is arranged really according to the light and shade of display lamp
Fix time.
Further, described display lamp is arranged on different frames according to clock orientation, so that user is according to instruction
The light and shade of lamp determines current time or has used the time.
Further, described display lamp module includes 4 display lamps, and described display lamp lays respectively at each frame
Middle part.
Circuit and the display device for indicating the time that this utility model embodiment provides, by setting on the display apparatus
Put the display lamp module that can present different luminance states, and control display lamp mould by controlling device according to the change of time
The light and shade change of group so that user can may determine that current time according to the light and shade change of display lamp module or currently make
With the time, facilitate user to check at any time, and then realize controlling viewing TV and using the time of computer entertainment, improve greatly
Consumer's Experience.
Accompanying drawing explanation
The detailed description that non-limiting example is made made with reference to the following drawings by reading, of the present utility model
Other features, objects and advantages will become more apparent upon:
Fig. 1 is the schematic diagram of the circuit for indicating the time that this utility model embodiment one provides；
Fig. 2 is the display lamp intednsity circuit in the circuit indicate the time that this utility model embodiment one provides
Schematic diagram；
Fig. 3 is the appearance schematic diagram of the display device that this utility model embodiment two provides；
Fig. 4 is the appearance schematic diagram of the display device that this utility model embodiment three provides.
The technical characteristic that reference in figure refers to respectively is:
1, clock chip；2, micro-control unit 2；3、GPIO3；4, display lamp module；5, power supply；6, display lamp；7, logo.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.It is understood that herein
Described specific embodiment is used only for explaining this utility model, rather than to restriction of the present utility model.Further need exist for
Bright, for the ease of describing, accompanying drawing illustrate only the part relevant to this utility model rather than full content.
Embodiment one
This utility model embodiment one provides a kind of circuit for indicating the time.Fig. 1 is this utility model embodiment
The schematic diagram of one circuit for indicating the time provided.As it is shown in figure 1, described for indicating the circuit of time to include: clock
Chip 1, for timing；Display lamp module 4, described display lamp module 4 is used for presenting different luminance state；Micro-control unit 2, institute
State micro-control unit 2 for according to clock chip 1 timing, sending signal to described display lamp, to control the bright of described display lamp
Degree；Power supply 5, for providing power supply 5 for described display lamp module 4, clock chip 1 and micro-control unit 2；Universal input/output
GPIO3, described micro-control unit 2 sends signal by described universal input/output GPIO3 to described display lamp module 4；Described
The output pin of clock chip 1 electrically connects with the input pin of described micro-control unit 2, and the output of described micro-control unit 2 is drawn
Foot electrically connects with described universal input/output GPIO3, and described universal input/output GPIO3 is electrically connected with described display lamp module 4
Connecing, described power supply 5 electrically connects with clock chip 1, micro-control unit 2 and display lamp module 4 respectively.At microcontroller or chipset
There is no enough I/O ports, or when system needs use far-end serial communication or control, GPIO3 can provide extra control
System and function for monitoring.
Wherein, clock single channel is a kind of oscillating circuit, for producing the oscillator signal of accurate motion as clock.Typically
It is made up of crystal oscillator, brilliant shake control chip and electric capacity.The serial clock electricity such as DS1302, DS1307, PCF8485 can be used
Road realizes time clock feature.In the present embodiment, owing to being typically provided with on television set or the internal mainboard of computer display time
Clock circuit chip, it is possible to use on television set or the internal mainboard of computer display, original clock circuit chip realizes above-mentioned
Function.
Micro-control unit MCU, is central processing unit (Central Process Unit；CPU) frequency is done with specification
Suitably reduction, and by the perimeter interface such as internal memory (memory), enumerator (Timer), USB, A/D conversion, UART, PLC, DMA, very
All being incorporated on one chip to LCD drive circuit, form the computer of chip-scale, different group is done in the application scenario that can be different
Closing and control, in the present embodiment, MCU receives the oscillator signal that clock chip 1 sends, and according to oscillator signal to display lamp module
4 send corresponding control signal, control the brightness of display lamp module 4, to present different brightness combinations.
Display lamp module 4 includes that several display lamps, described display lamp are used for presenting different luminance state, exemplary,
Described display lamp under the control of micro-control unit 2, can produce go out, dark and bright three kinds of states, or produce different colors
State.Display lamp can use LED, and LED lamp has the advantages such as low in energy consumption, life-span length and changeable, is particularly suitable as referring to
Show that lamp uses.
Power supply 5, for providing power supply 5 for described display lamp module 4, clock chip 1 and micro-control unit 2.Exemplary,
The voltage of+3V～+5V is provided to input for display lamp module 4 and clock chip 1 and micro-control unit 2.
Wherein, the output pin of described clock chip 1 electrically connects with the input pin of described micro-control unit 2, phase place control
Unit processed provides sprocket pulse signal, described micro-control unit 2 to receive sprocket pulse signal, microcontroller list by input pin
Unit's 2 output pins electrically connect with the display lamp in described display lamp module 4 respectively, described power supply 5 respectively with clock chip 1, micro-
Control unit 2 and power supply 5 electrically connect.
It is optionally, described for indicating the circuit of time to may also include EEPROM EEPROM,
EEPROM is used for storing system time, and can re-write system time when start every time.By the system time read
The timing got with clock chip 1 adds up mutually, can obtain the current time, and can be by micro-control unit 2 to display lamp
Brightness be controlled, it is achieved display current time purpose.
In the present embodiment, for indicating the circuit of time also to include: display lamp intednsity circuit, for basis
The signal of GPIO3 output controls the brightness of the display lamp in display lamp module 4.Fig. 2 is that this utility model embodiment one provides
The schematic diagram of display lamp intednsity circuit in the circuit indicate the time, as seen from Figure 2, display lamp brilliance control electricity
Road includes: audion, series resistance and current-limiting resistance, and described GPIO3 electrically connects with the first end of described series resistance, described string
Second end of connection resistance is connected with the base stage of audion, and the colelctor electrode of described audion electrically connects with described power supply 5, described three poles
The emitter stage of pipe electrically connects with the first end of described current-limiting resistance, in the second end of described current-limiting resistance and display lamp module 4
Display lamp electrically connects.
Concrete, when GPIO output low level, triode emission knot positively biased, collector junction is reverse-biased, is operated in amplification region, phase
When connecting with emitter junction in collector junction, so, VCC just connects with the resistance below audion, and it is shinny that electric current flows through display lamp,
When GPIO height, emitter junction is reverse-biased, and collector junction is reverse-biased, is operated in almost without electric current between district, emitter junction and collector junction,
Being equivalent to VCC and R10 disconnect, display lamp cannot be lighted.I.e. during base stage high level, the N pipe in audion generally closes, and base stage is low
During level, the N pipe in audion leaves.Due to GPIO3 alternately can send continuously in short time cycle multiple high level and
Low level, can be according to by adjusting the dutycycle that GPIO3 sends, it is achieved adjust the effect of display lamp light and shade.
In the present embodiment, in order to realize the purpose of instruction time, described display lamp module 44 includes that at least two indicates
Lamp.Display lamp can use LED, and LED has the advantages such as luminous efficiency height, life-span length, little, the good directionality of volume.
The present embodiment can present the display lamp module of different luminance states by arranging on the display apparatus, and passes through
Control device and control the light and shade change of display lamp module according to the change of time so that user can bright according to display lamp module
Dark change may determine that current time or currently used the time, facilitates user to check at any time, and then realizes controlling viewing electricity
Depending on and use computer entertainment time, greatly improve Consumer's Experience.
Embodiment two
At present, the frame design great majority of the display device such as market machine on TV set out with single aesthetical point, combine reality
Less by property, pattern is single, does not has novelty degree.Homogeneity product is various instantly, and it is the fiercest to compete.People the most not only need
Want the visual enjoyment of the single outward appearance of the display devices such as television set, but while novel appearance uniqueness, can have more practicality
Function.
To achieve these goals, a kind of display device that this utility model embodiment two provides, including above-described embodiment
The circuit for indicating the time provided.Fig. 3 is the appearance schematic diagram of the display device that this utility model embodiment two provides, institute
Stating display device can be the display devices such as TV, mobile terminal display screen curtain and computer display.As it is shown on figure 3, instruction
Lamp is arranged on different frame, so that user arranges, according to the light and shade of display lamp, the time of determination.Concrete, display lamp according to time
Clock orientation is arranged on different frames, during so that user determines current time according to the light and shade of display lamp or uses
Between.In Fig. 3, display lamp module 4 includes 4 display lamps, is separately positioned on the middle part of each frame, forms clock orientation and arranges.Point
Not corresponding 3 points of dial plate, 6 points, 9 and 12 points, and multiple minutes of one group, every 15 minutes of the most corresponding 60 points of kinds.
Micro-control unit 2, according to the timing of clock chip 1, sends control signal by GPIO.Control display corresponding
The light and shade of the display lamp of time directional information.Concrete, by exporting corresponding pulse-width signal, control described LED and drive
LED module described in drives, shows corresponding time directional information in chronological order.Concrete, GPIO output is corresponding
Pulsewidth level signal, controls described LED and shows corresponding time directional information in chronological order.Exemplary, work as GPIO
When the pulse-width signal of output is 50% dutycycle pulsewidth level signal, LED is shown as dark, and corresponding minute hand points to；Work as institute
Stating pulse-width signal when being low-level pulse width modulated signal, LED module displays is bright, corresponds to hour hands and points to；When described pulsewidth
When modulated signal is high level pulse-width signal, LED module displays is for going out, and the most corresponding hour hands and minute hand point to.So, micro-control
Unit 2 processed controls the light and shade state in the display device housing LED of a week by the pulse-width control signal that GPIO3 exports, with
Pin type clock and watch mode shows current time information, and user can the most intuitively arrive current temporal information, is very easy to
User.
Embodiment three
Fig. 4 is the appearance schematic diagram of the display device that this utility model embodiment three provides, in the present embodiment, described finger
Show below the logo of the frame that lamp module is arranged on described display device, wherein, the display unit of described display lamp module and institute
The unit stating logo is correspondingly arranged, so that the unit of described logo presents different brightness.As seen from Figure 4, display lamp
Below the logo of the frame that module is arranged on described display device, wherein, the display lamp of described display lamp module 4 and described logo
Unit be correspondingly arranged, so that the unit of described logo presents different brightness.In in figure, the lower section of display device is provided with emblem
Mark, logo can be letter or number combinatorics on words, and in the present embodiment, logo is assumed to be monogram " ABC ", is used for indicating
Display lamp in the circuit of time is corresponding with this monogram, and when display lamp is lighted, the alphabetical correspondence of logo presents
Corresponding brightness.The duration that bright-dark degree's correspondence of each letter is preset, this duration can be arranged voluntarily by user or go out
Pre-set before factory, in the present embodiment, preset time a length of 30 minutes.Alphabetical when being shown as bright, display operation
Shi Changwei 60 minutes；When being shown as dark, during display operation a length of 30 minutes；When being shown as going out, display operation
Shi Changwei 0 minute.Exemplary, if in logo " ABC " letter " A " be bright for dark, B and C for going out time, during display operation
A length of 60+30+0=90 minute.In the circuit indicate the time, micro-control unit is according to the timing result of timing chip, logical
Cross universal input/output GPIO3 and export control signal, so that display lamp corresponding to each unit of logo is according to running duration
Show corresponding brightness, so that user can the most intuitively arrive current temporal information, be very easy to user.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understanding, this utility model is not limited to specific embodiment described here, can carry out various bright for a person skilled in the art
Aobvious change, readjust and substitute without departing from protection domain of the present utility model.Therefore, although pass through above example
This utility model is described in further detail, but this utility model is not limited only to above example, without departing from
In the case of this utility model design, it is also possible to include other Equivalent embodiments more, and scope of the present utility model is by appended
Right determine.
Claims (10)
1. the circuit being used for indicating the time, it is characterised in that described circuit includes:
Clock chip, for timing；
Display lamp module, described display lamp module is used for presenting different luminance state；
Micro-control unit, described micro-control unit is for according to clock chip timing, sending signal to described display lamp, to control
The brightness of described display lamp；
Power supply, for providing power supply for described display lamp module, clock chip and micro-control unit；
Universal input/output GPIO, described micro-control unit passes through described universal input/output GPIO to described display lamp module
Send signal；
The output pin of described clock chip electrically connects with the input pin of described micro-control unit, described micro-control unit defeated
Going out pin to electrically connect with described universal input/output GPIO, described universal input/output GPIO is electrically connected with described display lamp module
Connecing, described power supply electrically connects with clock chip, micro-control unit and display lamp module respectively.
Circuit the most according to claim 1, it is characterised in that described circuit also includes: the read-only storage of electric erazable programmable
Device EEPROM, described EEPROM are used for storing system time, and described EEPROM electrically connects with described micro-control unit.
Circuit the most according to claim 1, described circuit also includes: display lamp intednsity circuit, and described display lamp is bright
Degree control circuit for controlling the brightness of the display lamp in display lamp module according to the signal of GPIO output；Described display lamp brightness
Control circuit includes: audion, series resistance and current-limiting resistance, and described GPIO electrically connects with the first end of described series resistance,
Second end of described series resistance is connected with the base stage of audion, and the colelctor electrode of described audion electrically connects with described power supply, institute
First end of the emitter stage and described current-limiting resistance of stating audion electrically connects, the second end of described current-limiting resistance and display lamp module
In display lamp electrical connection.
Circuit the most according to claim 1, it is characterised in that: described display lamp module includes at least two display lamp.
Circuit the most according to claim 4, it is characterised in that described display lamp is LED.
6. a display device, including frame, it is characterised in that described display device includes that claim 1-5 is arbitrary described
For indicating the circuit of time, described display lamp module is arranged on frame.
Device the most according to claim 6, it is characterised in that described display lamp module includes: the limit of described display device
The logo of frame, the display lamp of described display lamp module is correspondingly arranged with the unit of described logo, so that the unit of described logo
Present different brightness.
Device the most according to claim 6, it is characterised in that described display lamp module includes at least two display lamp, institute
State display lamp to be arranged on different frame, so that user arranges, according to the light and shade of display lamp, the time of determination.
Device the most according to claim 8, it is characterised in that described display lamp module is arranged on difference according to clock orientation
Frame on so that user is arranged according to the light and shade of display lamp determines current time.
Device the most according to claim 9, it is characterised in that described display lamp module includes 4 display lamps, described finger
Show that lamp lays respectively at the middle part of each frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620406061.2U CN205827122U (en) | 2016-05-06 | 2016-05-06 | A kind of for indicating circuit and the display device of time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620406061.2U CN205827122U (en) | 2016-05-06 | 2016-05-06 | A kind of for indicating circuit and the display device of time |
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| Publication Number | Publication Date |
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| CN205827122U true CN205827122U (en) | 2016-12-21 |
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| CN201620406061.2U Active CN205827122U (en) | 2016-05-06 | 2016-05-06 | A kind of for indicating circuit and the display device of time |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759595A (en) * | 2016-05-06 | 2016-07-13 | 奥英光电（苏州）有限公司 | Circuit for indicating time and display device |
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2016
- 2016-05-06 CN CN201620406061.2U patent/CN205827122U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759595A (en) * | 2016-05-06 | 2016-07-13 | 奥英光电（苏州）有限公司 | Circuit for indicating time and display device |
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