CN209767872U - Lamp area with controllable single lamp - Google Patents
Lamp area with controllable single lamp Download PDFInfo
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- CN209767872U CN209767872U CN201920106737.XU CN201920106737U CN209767872U CN 209767872 U CN209767872 U CN 209767872U CN 201920106737 U CN201920106737 U CN 201920106737U CN 209767872 U CN209767872 U CN 209767872U
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Abstract
the utility model discloses a controllable lamp area of single lamp, include: the lighting module comprises a control module and a plurality of lighting modules, the lighting modules comprise lighting units connected with the control module, the voltage conversion units supply power to the control module, the control module can be connected with an external data unit to acquire lighting data, the control modules can be connected with one another to transmit the lighting data, and the control modules control the corresponding lighting units to work according to the lighting data. The purpose of independently controlling the light-emitting units to work is achieved, and complex use requirements are met.
Description
Technical Field
The utility model relates to the field of lighting, especially, relate to a controllable lamp area of single lamp.
Background
The lamp strip is widely applied to the fields of decoration, illumination and the like due to the advantages of small volume, high brightness, energy conservation and the like. In the prior art, the light-emitting points on the lamp strip can only be turned on/off together or the effect of a simple running water lamp can be realized, and the light-emitting points cannot be controlled independently, so that each light-emitting point on the lamp strip cannot display different brightness and colors according to requirements, and the complex and various display effects can be realized to meet the use requirements.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a controllable lamp area of single lamp, it can realize controlling in order to satisfy the user demand single lighting module.
The utility model provides a technical scheme that its technical problem adopted is: a light strip controllable by a single lamp, comprising: the lighting module comprises a control module and a plurality of lighting modules, the lighting modules comprise lighting units connected with the control module, the voltage conversion units supply power to the control module, the control module can be connected with an external data unit to acquire lighting data, the control modules can be connected with one another to transmit the lighting data, and the control modules control the corresponding lighting units to work according to the lighting data.
Further, the control modules of the plurality of lighting modules are connected in sequence and the first control module is connected with the external data unit to acquire lighting data, and the subsequent control module acquires the lighting data from the previous control module and transmits the lighting data to the next control module.
Furthermore, the control module comprises a processing unit, a latch connected with the processing unit and a driving module connected with the light-emitting unit, the processing unit is connected with an external data unit or the processing unit of the previous control module to acquire illumination data and transmit the illumination data to the latch, and the driving module is connected with the latch to acquire the illumination data and drive the light-emitting unit to work according to the illumination data.
Furthermore, the driving module comprises a gray level adjusting unit and an amplifying unit connected with the light emitting unit, the gray level adjusting unit is connected with the latch to acquire illumination data and generate a PWM signal according to the illumination data, and the amplifying unit is connected with the gray level adjusting unit to amplify the PWM signal to drive the light emitting unit to work.
Further, the lighting module further comprises a shaping unit, and the two adjacent control modules are connected through the shaping unit to shape the transmitted lighting data.
Further, the light emitting unit includes a red LED, a green LED, and a blue LED, all connected to the control module.
Furthermore, the power supply further comprises a filter capacitor, one end of the filter capacitor is respectively connected with one pole of the external power supply and the voltage input end of the voltage conversion unit, and the other end of the filter capacitor is respectively connected with the other pole of the external power supply and the grounding end of the voltage conversion unit.
Further, the input voltage of the voltage conversion unit is 5V to 24V.
The utility model has the advantages that: the lighting modules comprise control modules and lighting units connected with the control modules, the control modules can receive lighting data from external data units, the control modules of different lighting modules can be connected with each other to transmit the lighting data, the lighting data comprise data contents in one-to-one correspondence with each lighting module, the control modules control the lighting units to work according to the corresponding data contents after acquiring the lighting data, if the external data units change certain data contents in the output lighting data, the corresponding control modules control the lighting units to generate corresponding changes according to the changed data contents after receiving the lighting data, and therefore the purpose of independently controlling the lighting units to work is achieved, and complex use requirements are met.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic block diagram of the present invention;
Fig. 2 is a circuit diagram of the present invention.
Detailed Description
Referring to fig. 1 and 2, a single lamp controllable light strip includes: the lighting device comprises a voltage conversion unit 40 connected with an external power supply and a plurality of lighting modules 10, wherein each lighting module 10 comprises a control module 20 and a light-emitting unit 30 connected with the control module 20, the voltage conversion unit 40 supplies power to the control module 20, the control module 20 can receive lighting data from an external data unit, the control modules 20 can be connected with each other to transmit the lighting data, and the control modules 20 control the corresponding light-emitting units 30 to work according to the lighting data.
The lighting module 10 comprises a control module 20 and a light-emitting unit 30 connected with the control module 20, the control module 20 can be connected with an external data unit to obtain lighting data, the control modules 20 of different lighting modules 10 are connected with each other to transmit the lighting data, the lighting data comprises data contents corresponding to each lighting module 10 one by one, the control module 20 controls the light-emitting unit 30 to work according to the corresponding data contents after obtaining the lighting data, if the external data unit changes a certain section of data contents in the output lighting data, the corresponding control module 20 controls the light-emitting unit 30 to generate corresponding changes according to the changed data contents after receiving the lighting data, so that the purpose of independently controlling the light-emitting unit 30 to work is achieved, and complex use requirements are met.
The voltage converting unit 40 may be a DC-DC converter, a switching power supply, or the like capable of converting a voltage. The lighting data output by the external data unit can be provided with the flag code, so that the control module 20 can know the data content of the corresponding part according to the flag code, thereby achieving the one-to-one correspondence relationship.
As a preferred embodiment, the control modules 20 of the several lighting modules 10 are connected in sequence and the first control module 20 is connected with an external data unit to acquire lighting data, and the subsequent control module 20 acquires lighting data from the previous control module 20 and transfers it to the next control module 20.
By sequentially connecting the control modules 20 of the plurality of lighting modules 10 and connecting the first control module 20 with the external data unit, the lighting data output by the external data unit is received by the first control module 20, then the first control module 20 transmits the lighting data to the control module 20 of the next lighting module 10, and the subsequent control modules 20 are sequentially transmitted, and this connection mode can make the structure simpler and conform to the physical structure of the lamp strip.
When the control modules 20 are connected in sequence, the external data unit outputs the lighting data to the first control module 20, the first control module 20 intercepts data content of a part of the lighting data and transmits the remaining data content after interception to the next control module 20, the next control module 20 intercepts data content of a part of the lighting data again and transmits the remaining data content after interception to the next control module 20, and so on, the one-to-one correspondence between the data content and the lighting modules 10 can be realized without an identification code for the lighting data output by the external data unit, the data identification of the control module 20 is not needed, and the functional requirements are reduced.
As a preferred embodiment of the control module 20, the control module 20 includes a processing unit 21, a latch 22 connected to the processing unit 21, and a driving module 23 connected to the light emitting unit 30, the processing unit 21 is connected to the external data unit or the processing unit 21 of the previous control module 20 to obtain the illumination data and transmit the illumination data to the latch 22, and the driving module 23 is connected to the latch 22 to obtain the illumination data and drive the light emitting unit 30 to operate according to the illumination data.
In operation, the processing unit 21 obtains the illumination data from the external data unit or the processing unit 21 of the previous control module 20, transmits the data content corresponding to the illumination data to the latch 22, and then transmits the illumination data to the processing unit 21 of the next control module 20, and the driving module 23 drives the light emitting unit 30 to operate according to the illumination data in the latch 22. The processing unit 21 may be a single chip microcomputer or an FPGA or other devices capable of processing data, the lighting data may be directly burned in chips such as the single chip microcomputer, and the external data unit is a storage unit in the chip at this time. The driving module 23 may be an adjustable constant current driving chip or other device capable of generating different currents according to different input signals at the input end to change the brightness of the light emitting unit 30.
As a preferred embodiment of the driving module 23, the driving module 23 includes a gray scale adjusting unit 24 and an amplifying unit 25 connected to the light emitting unit 30, the gray scale adjusting unit 24 is connected to the latch 22 to obtain the illumination data and generate the PWM signal according to the illumination data, and the amplifying unit 25 is connected to the gray scale adjusting unit 24 to amplify the PWM signal to drive the light emitting unit 30 to operate.
In operation, the gray scale adjusting unit 24 obtains the illumination data from the latch 22 and generates PWM signals with different duty ratios, and the gray scale adjusting unit 24 transmits the generated PWM signals to the amplifying unit 25 for amplification processing, so that the PWM signals can drive the light emitting unit 30 to act. By changing the duty ratio of the PWM signal, the light emission luminance of the light emitting unit 30 can be changed. The gray scale adjusting unit 24 may be a single chip, an FPGA, or a PWM chip, which can generate PWM signals with different duty ratios according to input data. The amplifying unit 25 may be a circuit or a device capable of amplifying an input signal, such as a transistor or an amplifying circuit composed of resistors.
In order to keep the illumination data transferred between the control modules 20 accurate, the illumination module 10 further comprises a shaping unit 11, and adjacent control modules 20 are connected by the shaping unit 11 to shape the transferred illumination data.
The processing unit 21 of the control module 20 passes the illumination data to the shaping unit 11 for shaping, and then the shaping unit 11 passes the shaped illumination data to the processing unit 21 of the next control module 20. The waveform of the illumination data is corrected by the shaping unit 11, so that the distortion generated in the transmission process of the illumination data in the plurality of processing units 21 is not gradually accumulated, the illumination data is prevented from generating errors, the accuracy of the illumination data is maintained, and the final light-emitting unit 30 is prevented from being incapable of working in a required state. The shaping unit 11 may be a circuit with a waveform correction function composed of schmitt inverters or other devices having a waveform correction function.
As a preferred embodiment of the light emitting unit 30, the light emitting unit 30 includes a red LED, a green LED, and a blue LED, each connected to the control module 20.
The colored lights with different brightness are emitted by the red LED, the green LED and the blue LED during working and are mixed, so that the lights with different hues can be formed after mixing, and the use requirement is met. In operation, the gray scale adjustment unit 24 generates three PWM signals according to the illumination data of the latch 22, and the three PWM signals are amplified by the amplification unit 25, and then respectively drive the red LED, the green LED, and the blue LED to emit light.
In order to avoid damaging the voltage conversion unit 40 when the input voltage of the external power supply fluctuates, the voltage conversion unit further includes a filter capacitor 41, one end of the filter capacitor 41 is connected to one pole of the external power supply and the voltage input end of the voltage conversion unit 40, and the other end of the filter capacitor 41 is connected to the other pole of the external power supply and the ground end of the voltage conversion unit 40.
One end of the filter capacitor 41 is connected to one pole of the external power supply and the voltage input end of the voltage conversion unit 40, and the other end of the filter capacitor 41 is connected to the other pole of the external power supply and the ground end of the voltage conversion unit 40, so that when the input voltage of the external power supply fluctuates, the fluctuation part is filtered by the filter capacitor 41 without affecting the voltage conversion unit 40, thereby maintaining the working stability of the voltage conversion unit 40 and avoiding the damage caused by the fluctuation of the input voltage.
As a preferred embodiment, the input voltage of the voltage conversion unit 40 is 5V to 24V.
The input voltage range of the voltage conversion unit 40 is 5V to 24V, and the voltage conversion unit can be used under different external power supply conditions, so that the use range is expanded.
The lighting module 10 may be an SK6813 chip, in which case the external data unit may be a controller of SK 6813.
The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.
Claims (8)
1. A light strip with a controllable single lamp, comprising: the lighting device comprises a voltage conversion unit (40) connected with an external power supply and a plurality of lighting modules (10), wherein each lighting module (10) comprises a control module (20) and a light-emitting unit (30) connected with the control module (20), the voltage conversion unit (40) supplies power to the control module (20), the control module (20) can receive lighting data from an external data unit, the control modules (20) can be connected with one another to transmit the lighting data, and the control modules (20) control the corresponding light-emitting units (30) to work according to the lighting data.
2. A light strip controllable by a single lamp as claimed in claim 1, wherein: the control modules (20) of the plurality of lighting modules (10) are connected in sequence and the first control module (20) is connected with an external data unit to acquire lighting data, and the subsequent control modules (20) acquire the lighting data from the previous control module (20) and transmit the lighting data to the next control module (20).
3. A light strip controllable by a single lamp as claimed in claim 2, wherein: the control module (20) comprises a processing unit (21), a latch (22) connected with the processing unit (21) and a driving module (23) connected with the light-emitting unit (30), the processing unit (21) is connected with an external data unit or the processing unit (21) of the previous control module (20) to acquire illumination data and transmit the illumination data to the latch (22), and the driving module (23) is connected with the latch (22) to acquire the illumination data and drive the light-emitting unit (30) to work according to the illumination data.
4. A light strip controllable by a single lamp as claimed in claim 3, wherein: the driving module (23) comprises a gray scale adjusting unit (24) and an amplifying unit (25) connected with the light emitting unit (30), the gray scale adjusting unit (24) is connected with the latch (22) to acquire illumination data and generate a PWM signal according to the illumination data, and the amplifying unit (25) is connected with the gray scale adjusting unit (24) to amplify the PWM signal to drive the light emitting unit (30) to work.
5. A light strip controllable by a single lamp as claimed in claim 2, wherein: the lighting module (10) further comprises a shaping unit (11), and the two adjacent control modules (20) are connected through the shaping unit (11) to shape the transmitted lighting data.
6. A light strip controllable by a single lamp as claimed in claim 1, wherein: the light emitting unit (30) comprises a red LED, a green LED and a blue LED which are all connected with the control module (20).
7. A light strip controllable by a single lamp as claimed in claim 1, wherein: the power supply further comprises a filter capacitor (41), one end of the filter capacitor (41) is respectively connected with one pole of an external power supply and a voltage input end of the voltage conversion unit (40), and the other end of the filter capacitor (41) is respectively connected with the other pole of the external power supply and a grounding end of the voltage conversion unit (40).
8. A light strip controllable by a single lamp as claimed in claim 1, wherein: the input voltage of the voltage conversion unit (40) is 5V to 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920106737.XU CN209767872U (en) | 2019-01-22 | 2019-01-22 | Lamp area with controllable single lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920106737.XU CN209767872U (en) | 2019-01-22 | 2019-01-22 | Lamp area with controllable single lamp |
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| CN209767872U true CN209767872U (en) | 2019-12-10 |
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| CN201920106737.XU Active CN209767872U (en) | 2019-01-22 | 2019-01-22 | Lamp area with controllable single lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141690A (en) * | 2021-04-28 | 2021-07-20 | 海南普汇科技有限公司 | Single-point controllable light-emitting device and system |
| CN113660758A (en) * | 2021-08-07 | 2021-11-16 | 深圳盈特创智能科技有限公司 | Lamp strip, lamp strip state transformation method, system, lamp, device and storage medium |
-
2019
- 2019-01-22 CN CN201920106737.XU patent/CN209767872U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141690A (en) * | 2021-04-28 | 2021-07-20 | 海南普汇科技有限公司 | Single-point controllable light-emitting device and system |
| CN113660758A (en) * | 2021-08-07 | 2021-11-16 | 深圳盈特创智能科技有限公司 | Lamp strip, lamp strip state transformation method, system, lamp, device and storage medium |
| CN113660758B (en) * | 2021-08-07 | 2023-10-20 | 深圳盈特创智能科技有限公司 | Lamp state transformation method, lamp, device and storage medium |
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