CN201265786Y - Respiration lamp apparatus - Google Patents

Respiration lamp apparatus Download PDF

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Publication number
CN201265786Y
CN201265786Y CNU2008201358610U CN200820135861U CN201265786Y CN 201265786 Y CN201265786 Y CN 201265786Y CN U2008201358610 U CNU2008201358610 U CN U2008201358610U CN 200820135861 U CN200820135861 U CN 200820135861U CN 201265786 Y CN201265786 Y CN 201265786Y
Authority
CN
China
Prior art keywords
breath light
audio signal
driver element
light device
amplification unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2008201358610U
Other languages
Chinese (zh)
Inventor
尹航
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Device Co Ltd
Original Assignee
Shenzhen Huawei Communication Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Huawei Communication Technologies Co Ltd filed Critical Shenzhen Huawei Communication Technologies Co Ltd
Priority to CNU2008201358610U priority Critical patent/CN201265786Y/en
Application granted granted Critical
Publication of CN201265786Y publication Critical patent/CN201265786Y/en
Priority to PCT/CN2009/074321 priority patent/WO2010040316A1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J17/00—Apparatus for performing colour-music
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H05B47/12—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by detecting audible sound
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The embodiment of the utility model discloses a flasher lamp device which comprises a power amplifying unit and a driving unit, wherein the power amplifying unit receives and amplifies audio signals and sends out the amplified audio signals to the driving unit which is connected with the power amplifying unit, receives the amplified audio signals and adjusts driving currents of LEDs by the amplified audio signals to control the illumination of the LEDs. The embodiment of the utility model adopts the technical scheme that a universal device in terminal equipment is adopted to realize the function of a flasher lamp, simplify the circuit structure of the device and improve the commonality of the device.

Description

A kind of breath light device
Technical field
The utility model relates to technical field of electricity, particularly relates to a kind of breath light device.
Background technology
The breath light device is applied to terminal device, and the brightness of the LED in the device (Light Emitting Diode, light emitting diode) produces the effect that brightness changes with audio frequency signal amplitude, frequency.When audio frequency signal amplitude is big, LED brightness height; Audio frequency signal amplitude hour, LED brightness is low, produces the effect of " breathing ".The breath light device can increase visual cues when terminal device carries out audio prompt, improve the interest that the user uses terminal device.
At present, industry is used application-specific integrated circuit (Integrated Circuit, integrated circuit), and the LED that drives in the breath light device changes brightness synchronously with audio signal.Behind the audio signal input application-specific integrated circuit, by the circuit of application-specific integrated circuit inside, control LED drive current size produces the visual effect of " rhythm lamp ", " breath light " with audio frequency signal amplitude, frequency shift.
The inventor is in realizing process of the present utility model, and there are the following problems at least to find prior art:
Prior art uses application-specific integrated circuit to realize " breath light " function, the circuit complexity, and versatility is poor, the cost height.
The utility model content
The utility model embodiment provides a kind of breath light device, has optimized the circuit structure of device.
For achieving the above object, the utility model embodiment proposes a kind of breath light device, comprising: power amplification unit and driver element;
Described power amplification unit receives and the amplification audio signal, and the described audio signal after amplifying is sent to described driver element;
Described driver element is connected with described power amplification unit, receives the audio signal after the described amplification, adjusts the drive current of LED light emitting diode by the audio signal after the described amplification, controls the brightness of described LED.
The technical scheme of the utility model embodiment has the following advantages, because the general-purpose device in the terminal device of employing breath light device place has been realized the function of breath light, thereby, when guaranteeing the former function of device, improve device and used added value, simplify the circuit structure of breath light device, improved the versatility of breath light device.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of breath light device among the utility model embodiment;
Fig. 2 is the circuit theory schematic diagram of the breath light device among the utility model embodiment;
Fig. 3 is the structural representation of the another kind of breath light device among the utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the structural representation for a kind of breath light device among the utility model embodiment comprises: power amplification unit 101 and driver element 102.
Power amplification unit 101 receives and the amplification audio signal, and the audio signal after amplifying is sent to driver element 102.
Power amplification unit 101 among the utility model embodiment can be for the general-purpose device in the terminal device of breath light device place, as D class audio frequency power amplifier.Power amplification unit 101 be input as the audio signal that former beginning and end amplify, be output as the audio signal of PWM (Pulse Width Modulation, the pulse width modulation) form after the amplification.
Driver element 102 is connected with power amplification unit 101, receives the audio signal after amplifying, and the audio signal after amplifying by this is adjusted the drive current of LED, the brightness of control LED.The input of driver element 102 is connected in the output of power amplification unit 101.
Power amplification unit 101 among the utility model embodiment and driver element 102 can be respectively the general-purpose device in the terminal device of breath light device place: D class audio frequency power amplifier and LED drive chip.Audio signal after the PWM modulation of D class audio frequency power amplifier output can be connected to the brightness control signal end that LED drives chip.
The frequency and the amplitude of the PWM audio signal of power amplification unit 101 outputs and the audio signal of input are synchronous, driver element 102 inside, the control signal of control LED electric current is a pwm signal, it is the PWM audio signal of power amplification unit 101 outputs, the brightness of this PWM audio signal and LED is synchronous, as the shared signal link, can make the frequency and the amplitude of original audio signal of LED brightness and input synchronous by this PWM audio signal, realize the function of breath light.
As shown in Figure 2, the circuit theory schematic diagram for the breath light device among the utility model embodiment comprises: D class audio frequency power amplifier 201 and LED drive chip 202.
The audio frequency of D class audio frequency power amplifier 201 is input as the audio signal of former beginning and end amplification, and audio frequency is output as the pwm signal after the modulation.The single-ended output signal end of D class audio frequency power amplifier 201 is connected in the LED brightness control signal end that LED drives chip 202.By the pwm signal of D class audio frequency power amplifier 201 outputs, adjust the drive current of LED, the brightness of control LED.
D class audio frequency power amplifier 201 is input as two signals for difference output, and effectively input signal is the difference of above-mentioned two signals, and output signal is the amplification to the difference of above-mentioned two input signals, has reached the purpose that suppresses common mode disturbances.
Breath light device among the utility model embodiment can be applicable on the terminal device of various output sounds such as mobile phone, MP3, media broadcast terminal, portable game machine, LED-backlit.Above-mentioned terminal device uses D class audio frequency power amplifier and LED driving chip to amplify audio signal, light LED-backlit mostly.Can directly 1 output that has D class audio frequency power amplifier be connected to the control end that LED drives chip, utilize existing device to make up the breath light device.
The technical scheme of the utility model embodiment has the following advantages, because adopt the optimization of available circuit, use innovatively, replaced application-specific integrated circuit, realized the function of breath light, thereby, when guaranteeing the former function of general-purpose device, improve device and used added value, simplify the circuit structure of breath light device, improved the versatility of breath light device, reduced the cost of breath light device.
As shown in Figure 3, the structural representation for the another kind of breath light device among the utility model embodiment comprises: power amplification unit 301, driver element 302 and block isolating circuit unit 303.
Power amplification unit 301 receives and the amplification audio signal, and the audio signal after amplifying is sent to driver element 302.
Power amplification unit 301 among the utility model embodiment can be for the general-purpose device in the terminal device of breath light device place, as D class audio frequency power amplifier.Power amplification unit 301 be input as the audio signal that former beginning and end amplify, be output as the audio signal of the PWM form after the amplification.
Driver element 302 is connected with power amplification unit 301, receives the audio signal after amplifying, and the audio signal after amplifying by this is adjusted the drive current of LED, the brightness of control LED.The input of driver element 302 is connected in the output of power amplification unit 301.
Power amplification unit 301 among the utility model embodiment and driver element 302 can be respectively the general-purpose device in the terminal device of breath light device place: D class audio frequency power amplifier and LED drive chip.Audio signal after the PWM modulation of D class audio frequency power amplifier output can be connected to the brightness control signal end that LED drives chip.
The frequency and the amplitude of the PWM audio signal of power amplification unit 301 outputs and the audio signal of input are synchronous, driver element 302 inside, the control signal of control LED electric current is a pwm signal, it is the PWM audio signal of power amplification unit 301 outputs, the brightness of this PWM audio signal and LED is synchronous, as the shared signal link, can make the frequency and the amplitude of original audio signal of LED brightness and input synchronous by this PWM audio signal, realize the function of breath light.
Block isolating circuit unit 303 is connected with driver element 302 with power amplification unit 301, cuts off the DC voltage component of power amplification unit 301 to driver element 302 outputs.
In the practical application, consider in the output of power amplification unit 301 to have DC voltage component,, between power amplification unit 301 and driver element 302, increased block isolating circuit unit 303 in order to protect driver element 302.Power amplification unit 301 among the utility model embodiment, driver element 302 and block isolating circuit unit 303 can be respectively the general-purpose device in the terminal device: D class audio frequency power amplifier, LED drive chip and capacitance.Output and LED that this capacitance is connected D class audio frequency power amplifier drive between the control end of chip, and the control end of protection LED driving chip is not subjected to the influence of DC voltage component.
Breath light device among the utility model embodiment can be applicable on the terminal device of various output sounds such as mobile phone, MP3, media broadcast terminal, portable game machine, LED-backlit.Using D class audio frequency power amplifier and LED to drive chip on the above-mentioned terminal device mostly amplifies audio signal, lights LED-backlit.Can by 1 capacitance, be connected to the control end that LED drives chip directly with having 1 output of D class audio frequency power amplifier, utilize existing device to make up the breath light device.
The technical scheme of the utility model embodiment has the following advantages, because adopt the optimization of available circuit, use innovatively, replaced application-specific integrated circuit, realized the function of breath light, thereby, when guaranteeing the former function of general-purpose device, improve device and used added value, simplify the circuit structure of breath light device, improved the versatility of breath light device, reduced the cost of breath light device.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection domain of the present utility model.

Claims (7)

1, a kind of breath light device is characterized in that, comprising: power amplification unit and driver element;
Described power amplification unit receives and the amplification audio signal, and the described audio signal after amplifying is sent to described driver element;
Described driver element is connected with described power amplification unit, receives the audio signal after the described amplification, adjusts the drive current of LED by the audio signal after the described amplification, controls the brightness of described LED.
2, breath light device according to claim 1 is characterized in that, also comprises: the block isolating circuit unit;
Described block isolating circuit unit is connected with described driver element with described power amplification unit, cuts off the DC voltage component of described power amplification unit to described driver element output.
3, breath light device as claimed in claim 1 or 2 is characterized in that described power amplification unit and described driver element are the general-purpose device in the terminal device of breath light device place.
4, as breath light device as described in the claim 3, it is characterized in that the audio signal after the described amplification is the audio signal of pulse width modulation (PWM) form.
5, as breath light device as described in the claim 3, it is characterized in that described power amplification unit is a D class audio frequency power amplifier.
As breath light device as described in the claim 3, it is characterized in that 6, described driver element is that LED drives chip.
7, as breath light device as described in the claim 3, it is characterized in that the input of described driver element is connected in the output of described power amplification unit.
CNU2008201358610U 2008-10-09 2008-10-09 Respiration lamp apparatus Expired - Lifetime CN201265786Y (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CNU2008201358610U CN201265786Y (en) 2008-10-09 2008-10-09 Respiration lamp apparatus
PCT/CN2009/074321 WO2010040316A1 (en) 2008-10-09 2009-09-29 Lamp apparatus capable of controlling brightness according to audio signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201358610U CN201265786Y (en) 2008-10-09 2008-10-09 Respiration lamp apparatus

Publications (1)

Publication Number Publication Date
CN201265786Y true CN201265786Y (en) 2009-07-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201358610U Expired - Lifetime CN201265786Y (en) 2008-10-09 2008-10-09 Respiration lamp apparatus

Country Status (2)

Country Link
CN (1) CN201265786Y (en)
WO (1) WO2010040316A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010040316A1 (en) * 2008-10-09 2010-04-15 华为终端有限公司 Lamp apparatus capable of controlling brightness according to audio signal
CN112188708A (en) * 2020-09-29 2021-01-05 努比亚技术有限公司 Music accompaniment method and device based on mobile terminal and terminal equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1466406A (en) * 2002-06-26 2004-01-07 王肇朗 Electronic device capable of adjusting lamp brightness and flash according to audio signal amplitule
CN1596050A (en) * 2003-09-11 2005-03-16 银河光电股份有限公司 Light emitting source apparatus
CN201265786Y (en) * 2008-10-09 2009-07-01 深圳华为通信技术有限公司 Respiration lamp apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010040316A1 (en) * 2008-10-09 2010-04-15 华为终端有限公司 Lamp apparatus capable of controlling brightness according to audio signal
CN112188708A (en) * 2020-09-29 2021-01-05 努比亚技术有限公司 Music accompaniment method and device based on mobile terminal and terminal equipment
CN112188708B (en) * 2020-09-29 2023-05-12 恩平市威力斯电子科技有限公司 Music accompaniment method and device based on mobile terminal and terminal equipment

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: HUAWEI DEVICE CO., LTD.

Free format text: FORMER NAME: SHENZHEN HUAWEI TECHNOLOGY CO.

CP01 Change in the name or title of a patent holder

Address after: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No.

Patentee after: Huawei Device Co., Ltd.

Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No.

Patentee before: Shenzhen Huawei Communication Technology Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20171109

Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop

Patentee after: HUAWEI terminal (Dongguan) Co., Ltd.

Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No.

Patentee before: Huawei Device Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20090701