CN111263492A - Intelligent lamp and lighting system - Google Patents
Intelligent lamp and lighting system Download PDFInfo
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- CN111263492A CN111263492A CN202010125790.1A CN202010125790A CN111263492A CN 111263492 A CN111263492 A CN 111263492A CN 202010125790 A CN202010125790 A CN 202010125790A CN 111263492 A CN111263492 A CN 111263492A
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- 238000004891 communication Methods 0.000 claims abstract description 19
- 230000009471 action Effects 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- 230000008054 signal transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 241001465382 Physalis alkekengi Species 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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- 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 invention discloses an intelligent lamp, which comprises a signal receiver, a control chip, a driving chip and a light-emitting component, wherein the signal receiver is connected with the control chip; the light-emitting component comprises a cold light component and a warm light component; the signal receiver is connected with the control chip; signals are transmitted between the control chip and the driving chip through an IIC serial communication protocol; one driving chip is connected with a plurality of light emitting components. According to the invention, the control chip can control the driving chip to output a constant current to control the light-emitting component through one-time signal output, so that the switching of a light-emitting mode is completed, and when the light-emitting mode is constant, no signal is transmitted between the control chip and the driving chip, so that the working energy consumption of the intelligent lamp is reduced, the working stability is improved, the device layout and wiring are greatly facilitated, the selection range of the control chip is widened, and the production yield of the intelligent lamp is improved. The invention also provides a lighting system with the beneficial effects.
Description
Technical Field
The invention relates to the field of lighting equipment, in particular to an intelligent lamp and a lighting system.
Background
With the development of society, lamps and lanterns as indispensable civilization products in people's daily life, industrial production in modern society also adapt to people's new demand constantly, and wherein, the lamps and lanterns that the colour temperature and the luminance of light are all adjustable receive more and more attention and concern in a plurality of fields.
The existing lamps with adjustable color temperature and brightness are respectively connected with different driving chips through pins of different control chips, and the different driving chips respectively correspond to different groups of cold light sources or warm light sources to realize the effect of adjusting the brightness and the color temperature of the overall light emitted by the lamp, but a plurality of driving chips are required to be respectively connected with different light sources when the lamp is a large-scale lamp comprising a plurality of groups of cold light sources or warm light sources, so that the areas of a driving board and a control board of the lamp are increased, meanwhile, because the different driving chips are required to be connected with the control chips through different pins, the selection range of the control chips is narrowed, the circuit layout is difficult, the wiring is crowded, the production yield is reduced, and in addition, because the signals between the control chips and the driving chips in the prior art are PWM duty ratio signals, the signal transmission between the control chip and the driving chip can not be interrupted in the process of light emitting of the lamp, the temperature of the control chip can be increased due to the fact that the signal transmission is uninterrupted through the pins of the control chip, the working stability is reduced, and the energy consumption is improved.
Therefore, the technical staff in the art needs to solve the problems of difficulty in routing due to the fact that a plurality of driving chips are needed to control a plurality of groups of light sources respectively, high requirement on the number of pins of the control chips, and large heat generation caused by uninterrupted signal transmission.
Disclosure of Invention
The invention aims to provide an intelligent lamp and an illumination system, and aims to solve the problems that wiring is difficult due to the fact that a plurality of groups of light sources need to be controlled by a plurality of driving chips respectively, the requirement on the number of pins of the control chips is high, and the heat productivity is large due to uninterrupted signal transmission in the prior art.
In order to solve the technical problem, the invention provides an intelligent lamp, which comprises a signal receiver, a control chip, a driving chip and a light-emitting component, wherein the signal receiver is connected with the control chip;
the light-emitting component comprises a cold light component and a warm light component;
the signal receiver is connected with the control chip;
signals are transmitted between the control chip and the driving chip through an IIC serial communication protocol;
one driving chip is connected with a plurality of light emitting components.
Optionally, in the intelligent lamp, one control chip is connected to a plurality of driving chips.
Optionally, in the intelligent lamp, the control chip is connected to the plurality of driving chips through two output pins;
the two output pins respectively output SCL clock data signals and SDA data signals of the IIC signals corresponding to the IIC serial communication protocol;
when the drive chip corresponding to the equipment address receives the IIC signal, the drive chip executes the action corresponding to the IIC signal; and when the drive chip not corresponding to the equipment address receives the IIC signal, the drive chip ignores the IIC signal.
Optionally, in the intelligent lamp, the driving chip and the control chip are chips with IIC interfaces.
Optionally, in the intelligent lamp, the light emitting assembly is an LED light emitting assembly.
Optionally, in the intelligent lamp, the cold light component and the warm light component each include a plurality of LED light emitting diodes.
Optionally, in the intelligent light fixture, the signal receiver is a wireless signal receiver.
Optionally, in the intelligent lighting fixture, the driving chip further includes a current detector.
An intelligent lighting system, the lighting system comprising a controller and the intelligent light fixture as described in any of the above.
Optionally, in the intelligent lighting system, the controller is a mobile phone.
The invention provides an intelligent lamp which comprises a signal receiver, a control chip, a driving chip and a light-emitting component, wherein the signal receiver is connected with the control chip; the light-emitting component comprises a cold light component and a warm light component; the signal receiver is connected with the control chip; signals are transmitted between the control chip and the driving chip through an IIC serial communication protocol; one driving chip is connected with a plurality of light emitting components. The IIC serial communication protocol in the invention comprises an SCL clock data signal and an SDA data signal, when the switching of the light-emitting mode is required, the control chip can control the driving chip to output a constant current to control the light-emitting component to complete the switching of the light-emitting mode through signal output once, and when the light-emitting mode is constant, no signal transmission exists between the control chip and the driving chip, so that the working heat of the control chip is greatly reduced, the working energy consumption of the intelligent lamp is reduced, and the working stability is improved. A warm light assembly or a cold light assembly is not needed to correspond to the driving chip, so that device layout and wiring are greatly facilitated, the selection range of the control chip is widened, and the production yield of the intelligent lamp is improved. The invention also provides a lighting system with the beneficial effects.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions of the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic circuit diagram of an embodiment of an intelligent light fixture in the prior art;
FIG. 2 is a schematic circuit diagram of one embodiment of an intelligent light fixture provided by the present invention;
fig. 3 is a circuit schematic diagram of another embodiment of the intelligent lamp provided by the invention.
Detailed Description
A circuit diagram of an intelligent lamp capable of adjusting color temperature and brightness in the prior art is shown in fig. 1, wherein a wire frame is provided with a light-emitting component, and the light-emitting component consists of a cold light lamp and a warm light lamp; the control chip U1 outputs PWM duty ratio signals through 3 and 4 pins to control the U2 or U3 driving chips to drive the external corresponding Q1 and Q2 MOS tube switches, and outputs constant current to control the current flowing through the light-emitting component lamp beads so as to control the brightness of the light-emitting component lamp beads; the U2 driving chip controls the Q1 MOS tube switch to output constant current to control the cold light lamp in the light-emitting component, and the U3 driving chip controls the Q2 MOS tube switch to output constant current to control the warm light lamp in the light-emitting component; the control chip U1 outputs two paths of different PWM duty ratio signals through 3 and 4 pins, so that the light emitting component displays different color temperatures.
The control chip, the driving chips U2 and U3 use PWM duty cycle signals for dimming, and thus the control chip U1 needs to have 2N pins having the same function as the pin 3 and the pin 4 of the U1, and also needs 2N driving chips of U2 and U3 (N is the number of the driving chips). When lamps and lanterns are the large-scale lamps and lanterns including multiunit cold light source or warm light source, just need a plurality of driver chip to be connected with different light sources respectively, driver chip quantity can only be realized reaching certain requirement, and the pin quantity of control chip also increases thereupon, leads to producing following problem:
the number of pins of the U1 chip is increased, the number of driving chips of U2 and U3 is increased, the area of a driving board of the lamp control board is increased, and the cost of the chip is increased.
2. The number of driving chip devices using U2 and U3 in the driving board is increased, and PCB routing between the devices is crowded
3. The number of U2 and U3 driving chip devices used by the driving board is increased, and the production reject ratio is increased
4. The number of pins of the control board control chip U1 with the PWM duty ratio dimming function is increased, so that the selection range of the control chip with the PWM duty ratio dimming function is narrowed, the energy consumption of the control chip is increased in the use process, and the working temperature of the control chip is increased in the use process.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the present invention is to provide an intelligent lamp, a circuit schematic diagram of one embodiment of which is shown in fig. 2, which is called as a first embodiment, and includes a signal receiver 400, a control chip 100, a driving chip 200, and a light emitting component 300;
the light emitting assembly 300 comprises a cold light assembly and a warm light assembly;
the signal receiver 400 is connected to the control chip 100;
signals are transmitted between the control chip 100 and the driving chip 200 through an IIC serial communication protocol;
one driving chip 200 is connected to a plurality of light emitting elements 300.
Particularly, the driving chip 200 and the control chip 100 are chips with IIC interfaces, which are convenient to use, and certainly, the chips without IIC interfaces can also be used, and the effect of IIC signal transmission can be realized through software, and the IIC interfaces include two pins.
In addition, the light emitting assembly 300 is an LED light emitting assembly 300. Further, the cold light assembly and the warm light assembly respectively include a plurality of LED light emitting diodes, as shown in fig. 2 and 3, wherein a group of the warm light assemblies or the cold light assembly including a plurality of LED light emitting diodes is connected in series, and a group of the light emitting assemblies 300 includes a group of the warm light assemblies and a group of the cold light assemblies.
As a preferable scheme, the driving chip 200 further includes a current detector, and the current detector can be used to detect whether current parameters in the driving chip 200 are normal, and issue an alarm or disable the corresponding driving chip 200 in time when the parameters are abnormal.
The driving chip 200 may include a micro control module, an MOS transistor driving module, and a current detector; the micro control module in the driving chip 200 performs IIC communication with the control chip 100; the micro control module performs data communication with the MOS tube driving module and the current detector through an internal control bus, a clock bus and a data bus, the micro control module decodes the data of the control chip 100 and converts the data into the MOS tube driving module, and the current detector can identify data signals and encode and transmit the data signals to the MOS tube driving module.
The intelligent lamp provided by the invention comprises a signal receiver 400, a control chip 100, a driving chip 200 and a light-emitting component 300; the light emitting assembly 300 comprises a cold light assembly and a warm light assembly; the signal receiver 400 is connected to the control chip 100; signals are transmitted between the control chip 100 and the driving chip 200 through an IIC serial communication protocol; one driving chip 200 is connected to a plurality of light emitting elements 300. The IIC serial communication protocol in the present invention includes an SCL clock data signal and an SDA data signal, when the light emitting mode needs to be switched, the control chip 100 may control the driving chip 200 to output a constant current to control the light emitting device 300 by outputting a signal once, so as to complete the switching of the light emitting mode, and when the light emitting mode is constant, there is no signal transmission between the control chip 100 and the driving chip 200, so as to greatly reduce the work heat of the control chip 100, reduce the work energy consumption of the intelligent lamp, and improve the work stability, in addition, compared to the existing method in which the control chip 100 communicates with the driving chip 200 by outputting a PWM duty ratio, the IIC serial communication only needs to change the SCL clock data signal and the SDA data signal respectively sent by two pins occupying the control chip 100, so as to perform the light emitting mode of the plurality of light emitting devices 300 connected to the driving chip 200 The line adjustment is performed, so that a warm light component or a cold light component is not needed to correspond to one driving chip 200, the layout and wiring of devices are greatly facilitated, the selection range of the control chip 100 is widened, and the production yield of the intelligent lamp is improved.
On the basis of the first embodiment, the number of the driving chips 200 connected to the control chip 100 is further limited, and a second embodiment is obtained, wherein a circuit diagram of the second embodiment is shown in fig. 3 and includes a signal receiver 400, the control chip 100, the driving chips 200, and a light emitting device 300;
the light emitting assembly 300 comprises a cold light assembly and a warm light assembly;
the signal receiver 400 is connected to the control chip 100;
signals are transmitted between the control chip 100 and the driving chip 200 through an IIC serial communication protocol;
one driving chip 200 is connected with a plurality of light emitting components 300;
one control chip 100 is connected to a plurality of driving chips 200.
The difference between the present embodiment and the foregoing embodiment is that the present embodiment defines that the same control chip 100 is connected to a plurality of driving chips 200, and the rest of the structure is the same as that of the foregoing embodiment, and is not repeated herein.
In this embodiment, it is limited that the same control chip 100 is connected to a plurality of driving chips 200, so as to avoid that it is difficult to find a driving chip 200 that can simultaneously correspond to a corresponding number of light emitting components 300 when the size of the lamp is large, and further, the control chip 100 is connected to the plurality of driving chips 200 through two output pins; the two output pins respectively output an SCL clock data signal and an SDA data signal of the IIC signal corresponding to the IIC serial communication protocol, when the light emitting device 300 corresponding to the different driver chips 200 is required to execute different light emitting modes, the device address corresponding to the signal may be added to the IIC signal, the driver chip 200 corresponding to the device address executes corresponding operations after receiving the IIC signal, and the driver chip 200 not matching with the device address ignores the signal after receiving the IIC signal.
On the basis of the second embodiment, the number of the driving chips 200 connected to the control chip 100 is further limited to obtain a third embodiment, and the circuit diagram of the third embodiment is the same as the above embodiments, and includes a signal receiver 400, the control chip 100, the driving chips 200, and the light emitting assembly 300;
the light emitting assembly 300 comprises a cold light assembly and a warm light assembly;
the signal receiver 400 is connected to the control chip 100;
signals are transmitted between the control chip 100 and the driving chip 200 through an IIC serial communication protocol;
one driving chip 200 is connected with a plurality of light emitting components 300;
the signal receiver 400 is a wireless signal receiver 400.
The difference between the present embodiment and the foregoing embodiment is that the present embodiment defines the signal receiver 400 as a wireless signal receiver 400, and the rest of the structure is the same as that of the foregoing embodiment, and is not repeated herein.
The signal receiver 400 is defined as the wireless signal receiver 400 in the specific embodiment, so that a user can conveniently control the intelligent lamp in various scenes, and meanwhile, the wiring between the intelligent lamp and the external environment is more flexible, the intelligent lamp can adapt to various occasions, and the universality of the intelligent lamp is enhanced.
The invention also provides an intelligent lighting system with the beneficial effects, which comprises a controller and the intelligent lamp. The intelligent lamp provided by the invention comprises a signal receiver 400, a control chip 100, a driving chip 200 and a light-emitting component 300; the light emitting assembly 300 comprises a cold light assembly and a warm light assembly; the signal receiver 400 is connected to the control chip 100; signals are transmitted between the control chip 100 and the driving chip 200 through an IIC serial communication protocol; one driving chip 200 is connected to a plurality of light emitting elements 300. The IIC serial communication protocol of the present invention includes an SCL clock data signal and an SDA data signal, when the light emitting mode needs to be switched, the control chip 100 may control the driving chip 200 to output a constant current to control the light emitting device 300 by outputting a signal once, and when the light emitting mode is constant, there is no signal transmission between the control chip 100 and the driving chip 200, so as to greatly reduce the work heat of the control chip 100, reduce the work energy consumption of the intelligent lamp, and improve the work stability, in addition, compared with the existing method in which the control chip 100 communicates with the driving chip 200 by outputting a PWM duty ratio, the IIC serial communication only needs to change the SCL clock data signal and the SDA data signal respectively sent by two pins occupying the control chip 100, so as to enable the light emitting modules 300 connected to the same driving chip 200 to emit light by using the same driving chip 200 The mode is adjusted, a warm light component or a cold light component is not needed to correspond to one driving chip 200, device layout and wiring are greatly facilitated, the selection range of the control chip 100 is widened, and meanwhile the production yield of the intelligent lamp is improved.
As a preferred embodiment, the controller is a mobile phone, the frequency of use of the mobile phone in daily life is high, and the mobile phone software is used as the controller, so that the step of producing an additional solid remote control is omitted, the use by a user is facilitated, and of course, other remote control equipment can be used as the controller.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The intelligent lamp and the lighting system provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to facilitate an understanding of the methods of the present invention and their core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. An intelligent lamp is characterized by comprising a signal receiver, a control chip, a driving chip and a light-emitting component;
the light-emitting component comprises a cold light component and a warm light component;
the signal receiver is connected with the control chip;
signals are transmitted between the control chip and the driving chip through an IIC serial communication protocol;
one driving chip is connected with a plurality of light emitting components.
2. The intelligent lamp according to claim 1, wherein one control chip is connected with a plurality of driving chips.
3. The intelligent lamp according to claim 2, wherein the control chip is connected to the plurality of driving chips through two output pins;
the two output pins respectively output SCL clock data signals and SDA data signals of the IIC signals corresponding to the IIC serial communication protocol;
the IIC signal also comprises a device address corresponding to the driving chip;
when the drive chip corresponding to the equipment address receives the IIC signal, the drive chip executes the action corresponding to the IIC signal; and when the drive chip not corresponding to the equipment address receives the IIC signal, the drive chip ignores the IIC signal.
4. The intelligent lamp according to claim 1, wherein the driving chip and the control chip are chips with IIC interfaces.
5. The intelligent light fixture of claim 1, wherein the light emitting assembly is an LED light emitting assembly.
6. The intelligent light fixture of claim 5, wherein the cool light component and the warm light component each comprise a plurality of LED light emitting diodes.
7. The intelligent light fixture of any one of claims 1 to 6, wherein the signal receiver is a wireless signal receiver.
8. The intelligent light fixture of claim 7, wherein the driver chip further comprises a current detector.
9. An intelligent lighting system, characterized in that the lighting system comprises a controller and an intelligent luminaire according to any one of claims 1 to 8.
10. The intelligent lighting system according to claim 9, wherein the controller is a cell phone.
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| CN202010125790.1A CN111263492A (en) | 2020-02-27 | 2020-02-27 | Intelligent lamp and lighting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010125790.1A CN111263492A (en) | 2020-02-27 | 2020-02-27 | Intelligent lamp and lighting system |
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