CN206948667U - Breath light and projecting apparatus - Google Patents
Breath light and projecting apparatus Download PDFInfo
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- CN206948667U CN206948667U CN201720794990.XU CN201720794990U CN206948667U CN 206948667 U CN206948667 U CN 206948667U CN 201720794990 U CN201720794990 U CN 201720794990U CN 206948667 U CN206948667 U CN 206948667U
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Abstract
The utility model provides a kind of breath light and projecting apparatus, and the breath light includes PMU, signal generation unit, control unit and luminescence unit；The PMU triggers the signal generation unit generation control signal after detecting breathing lamp input current, the output end of the signal generation unit and the input of described control unit connect, the output end of described control unit is connected with the luminescence unit, and described control unit adjusts the luminous light and shade of the luminescence unit.Breath light display variation provided by the utility model, experience effect is good, and production cost is low.
Description
Technical field
The utility model belongs to technical field of electronic equipment, more particularly to a kind of breath light and projecting apparatus.
Background technology
Breath light be by microprocessor control lamp produce by secretly to it is bright or by bright to the light secretly gradually changed, seemingly exhale
Inhale equally, there is prompt facility and effect is attractive in appearance, be widely used in the fields such as mobile phone, computer, household electrical appliances and automobile.But existing skill
Breath light luminescence display in art is single, for example, being lighted with identical frequency scintillation, experience effect is poor, and production cost compared with
It is high.
Utility model content
The purpose of this utility model is to provide a kind of breath light and projecting apparatus, it is intended to solves existing breath light luminescence display
It is single, the problem of experience effect is poor, and production cost is high.
To achieve the above object, the technical solution adopted in the utility model is：A kind of breath light, including power management are provided
Unit, signal generation unit, control unit and luminescence unit；The PMU touches after detecting breathing lamp input current
Send out signal generation unit described and produce control signal, the output end of the signal generation unit and the input of described control unit
Connection, the output end of described control unit are connected with the luminescence unit, and described control unit adjusts the hair of the luminescence unit
It is bright dark.
Further, described control unit includes first resistor, second resistance, 3rd resistor, the 4th resistance, electric capacity, the
One triode and the second triode, the output end of one end connection signal generation unit of the first resistor, described first
The other end of resistance connects the base stage of first triode, the grounded emitter of first triode, the one or three pole
The colelctor electrode of pipe connects one end of the second resistance, and the other end of the second resistance connects the one of the 3rd resistor respectively
The one end at end, one end of the 4th resistance and the electric capacity, the other end of the 3rd resistor connect the luminescence unit
One end, the other end of the 4th resistance connect the base stage of second triode, the other end ground connection of the electric capacity, and described the
The grounded emitter of two triodes, the colelctor electrode of second triode connect the other end of the luminescence unit.
Further, the luminescence unit includes the 5th resistance and lighting loads, one end connection institute of described control unit
State one end of the 5th resistance, the other end of the 5th resistance connects one end of the lighting loads, the lighting loads it is another
One end connects the other end of described control unit.
Further, the lighting loads include the first lamp components and the second lamp components, the other end point of five resistance
Do not connect one end of first lamp components and one end of second lamp components, the other end of first lamp components and described
The other end of second lamp components connects the other end of described control unit respectively.
Further, first lamp components and second lamp components use SMT technique productions.
Further, the PMU is PMIC circuits.
Further, the signal generation unit is SOC.
The utility model also provides a kind of projecting apparatus for including breath light in above-mentioned technical proposal.
The beneficial effect of breath light and projecting apparatus provided by the utility model is：Compared with prior art, this practicality is new
Trigger signal generation unit produces control letter after the breath light that type provides detects breathing lamp input current by PMU
Number, the input of the output end connection control unit of signal generation unit, the output end connection luminescence unit of control unit, control
Unit adjusts the luminous light and shade of luminescence unit, and display is diversified, and production cost is low.
Brief description of the drawings
Fig. 1 is the structure chart for the breath light that the utility model one embodiment provides；
Fig. 2 is the circuit diagram of the control unit that the utility model one embodiment provides and luminescence unit；
Fig. 3 is the luminescence unit structure chart that the utility model one embodiment provides.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
Also referring to Fig. 1 to Fig. 3, now breath light provided by the utility model is illustrated.The breath light includes
PMU 100, signal generation unit 200, control unit 300 and luminescence unit 400；The PMU 100
The generation of signal generation unit 200 control signal, the signal generation unit 200 are triggered after detecting breathing lamp input current
Output end be connected with the input of described control unit 300, the output end of described control unit 300 and the luminescence unit
400 connections, described control unit 300 changes the electric current for flowing through luminescence unit 400 according to the control signal, to adjust the hair
The luminous light and shade of light unit 400, the luminous light and shade of the luminescence unit 400 refer to the first lamp components LED1 and described second
Lamp components LED2 brightness and darkness.
Further, the control signal can be sine wave signal, or pwm signal or other can adjust electricity
The signal of stream.
Further, described control unit include first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4,
Electric capacity C, the first triode Q1 and the second triode Q2, the first resistor R1 one end connect the signal generation unit 200
Output end, the other end of the first resistor R1 connects the base stage of the first triode Q1, the first triode Q1's
Grounded emitter, the colelctor electrode of the first triode Q1 connect one end of the second resistance R2, the second resistance R2's
The other end connects one end, one end of the 4th resistance R4 and one end of the electric capacity C of the 3rd resistor R3 respectively, described
The 3rd resistor R3 other end connects one end of the luminescence unit 400, the other end connection of the 4th resistance R4 described the
Two triode Q2 base stage, the other end ground connection of the electric capacity C, the grounded emitter of the second triode Q2, described second
Triode Q2 colelctor electrode connects the other end of the luminescence unit 400.
Further, the luminescence unit 400 includes the 5th resistance R5 and lighting loads 410, described control unit 300
One end connects one end of the 5th resistance R5, and the other end of the 5th resistance R5 connects one end of the lighting loads 410,
The other end of the other end connection described control unit 300 of the lighting loads 410.
Further, the lighting loads 410 include the first lamp components LED1 and the second lamp components LED2, five resistance
The R5 other end connects one end of the first lamp components LED1 and the anode tap of the second lamp components LED2 respectively, and described
The one lamp components LED1 other end and the second lamp components LED2 cathode terminal connect the another of described control unit 300 respectively
End.
Further, the first lamp components LED1 and the second lamp components LED2 use SMT technique productions.SMT is
Surface installation technique, the packing density of SMT techniques is high, can reduce the volume and weight of electronic product, and can improve life
Produce efficiency and quality.In the present embodiment, it is the first lamp components LED1 and the second lamp components using two LEDs in parallel
LED2, the LED or luminescent device of other quantity, the lamp components LED1 and the second modulator can also be used according to demand
Part LED2 uses SMT techniques, ensure that quality of hardware, adds the stability of breathing circuit for lamp, reduces production cost.
Further, the PMU 100 is PMIC circuits.PMIC is exactly power management integrated circuit, a kind of
Electric power management circuit highly integrated, for portable use, if being integrated into Ganlei's power management chip of traditional discrete
In PMU (PMU), such as low pressure difference linear voltage regulator (LDO), DC to DC converter (DC/DC), so it can be achieved
Higher power supply conversion efficiency and more low-power consumption, and less package count, to adapt to the plate level space reduced, cost is lower.
Further, the signal generation unit is SOC.SOC is referred to as system level chip, also there is title on-chip system,
It is an integrated circuit for having application-specific target, wherein comprising holonomic system and having a full content of embedded software.SOC can have
Effect ground reduces the development cost of electronic information product, shortens the construction cycle, improves the competitiveness of product, and its Logic Core includes
CPU, clock circuit, timer, interrupt control unit, serial-parallel interface, other ancillary equipment, I/O ports and for various IP
Adhesive logic between core etc.；Memory core includes the memories such as various volatile, non-volatile and Cache；Simulation core includes
Analog circuit used in ADC, DAC, PLL and some high speed circuits.And in the present embodiment, the effect of SOC is production
The raw pwm signal with respective magnitudes voltage and frequency, signal transmission accurate quick, reliability are high.
Further, PWM is pulse width modulation, is that analog circuit is controlled using the numeral output of microprocessor
A kind of very effective technology of system, its control mode is that the break-make of inverter circuit switching device is controlled, and makes output end
A series of equal pulse of amplitudes is obtained, sine wave or required waveform are replaced with these pulses.In the present embodiment, institute
State after PMU 100 detects that the signal generation unit 200 is triggered after breathing lamp input current produces control signal,
SOC produces the pwm signal with respective magnitudes voltage and frequency, and the amplitude voltage and frequency for changing pwm signal can change
Become the size of current by lighting loads 410, signal all transmits in digital form afterwards, without carrying out digital-to-analogue conversion, allows
Signal remains digital form and can be minimized influence of noise, and noise resisting ability is strong, ensure that the stable luminescence of breath light
Property.
Further, the pwm signal according to caused by signal generation unit 200 of described control unit 300 controls the light
The brightness of load 410 and darkness.Refering to Fig. 2, pwm signal inputs the first triode Q1 base stage by first resistor R1, works as PWM
When signal input is low level, due to power supply VCC and the 5th resistance R5 effect, the first triode Q1 base stage is low electricity
Flat, the first triode Q1 current collection extremely high level, the first triode Q1 is in cut-off state, and the second triode Q2 base stage is
High level, the second triode Q2 current collection extremely low level, the second triode Q2 is in the conduction state, the first lamp components LED1 and
Second lamp components LED2 is in luminance, and when pwm signal input is high level, the first triode Q1 base stage is high electricity
Flat, the first triode Q1 current collection extremely low level, the first triode Q1 is in the conduction state, and the second triode Q2 base stage is
Low level, the second triode Q2 current collection extremely high level, the second triode Q2 are in cut-off state, the first lamp components LED1 and
Second lamp components LED2 is in OFF state, electric capacity C one end ground connection, other end access circuit, can filter out power supply ripple
With other unwanted alternating components, strengthen circuit stability, can be adjusted by the amplitude voltage and frequency that change pwm signal
The first lamp components LED1 and the second lamp components LED2 electric current are flowed through, so as to control the first lamp components LED1 and the second lamp components
LED2 luminous light and shade and flicker frequency, the display variation of breath light is realized, lifts experience effect.
The utility model also provides a kind of projecting apparatus, and the projecting apparatus includes the breath light in above-described embodiment, breath light
The concrete structure and function of middle unit are with reference to above-described embodiment, because the projecting apparatus employs all of above-described embodiment
Technical scheme, therefore all beneficial effects at least caused by the technical scheme with above-described embodiment.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
- A kind of 1. breath light, it is characterised in that：Including PMU, signal generation unit, control unit and luminescence unit；The PMU triggers the signal generation unit generation control signal, institute after detecting breathing lamp input current The input of the output end and described control unit of stating signal generation unit connects, the output end of described control unit and the hair Light unit connects, and described control unit adjusts the luminous light and shade of the luminescence unit.
- 2. breath light as claimed in claim 1, it is characterised in that：Described control unit includes first resistor, second resistance, the Three resistance, the 4th resistance, electric capacity, the first triode and the second triode, one end of the first resistor connect the signal production The output end of raw unit, the other end of the first resistor connect the base stage of first triode, first triode Grounded emitter, the colelctor electrode of first triode connect one end of the second resistance, the other end of the second resistance One end, one end of the 4th resistance and one end of the electric capacity of the 3rd resistor are connected respectively, the 3rd resistor The other end connects one end of the luminescence unit, and the other end of the 4th resistance connects the base stage of second triode, institute The other end for stating electric capacity is grounded, the grounded emitter of second triode, described in the colelctor electrode connection of second triode The other end of luminescence unit.
- 3. breath light as claimed in claim 1, it is characterised in that：The luminescence unit includes the 5th resistance and lighting loads, One end of described control unit connects one end of the 5th resistance, and the other end of the 5th resistance connects the lighting loads One end, the lighting loads the other end connection described control unit the other end.
- 4. breath light as claimed in claim 3, it is characterised in that：The lighting loads include the first lamp components and the second modulator Part, the other end of five resistance connects one end of first lamp components and one end of second lamp components respectively, described The other end of the other end of first lamp components and second lamp components connects the other end of described control unit respectively.
- 5. breath light as claimed in claim 4, it is characterised in that：First lamp components and second lamp components use SMT technique productions.
- 6. breath light as claimed in claim 1, it is characterised in that：The PMU is PMIC circuits.
- 7. breath light as claimed in claim 1, it is characterised in that：The signal generation unit is SOC.
- A kind of 8. projecting apparatus, it is characterised in that：Including the breath light described in any one in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720794990.XU CN206948667U (en) | 2017-07-03 | 2017-07-03 | Breath light and projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720794990.XU CN206948667U (en) | 2017-07-03 | 2017-07-03 | Breath light and projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206948667U true CN206948667U (en) | 2018-01-30 |
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ID=61367767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720794990.XU Active CN206948667U (en) | 2017-07-03 | 2017-07-03 | Breath light and projecting apparatus |
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|---|---|
| CN (1) | CN206948667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897670A (en) * | 2018-07-13 | 2018-11-27 | 山东超越数控电子股份有限公司 | A method of breath light effect is realized based on fpga chip |
-
2017
- 2017-07-03 CN CN201720794990.XU patent/CN206948667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897670A (en) * | 2018-07-13 | 2018-11-27 | 山东超越数控电子股份有限公司 | A method of breath light effect is realized based on fpga chip |
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