CN210183594U

CN210183594U - Synchronous driving circuit of multiple LED lamps

Info

Publication number: CN210183594U
Application number: CN201920044060.1U
Authority: CN
Inventors: Minzhong Huang; 黄敏忠
Original assignee: Shenzhen Yungu Iot Technology Co Ltd
Current assignee: Shenzhen Yungu Iot Technology Co Ltd
Priority date: 2019-01-10
Filing date: 2019-01-10
Publication date: 2020-03-24
Anticipated expiration: 2029-01-10

Abstract

A synchronous drive circuit of a multi-LED lamp, comprising: a power supply configured to output electrical energy; a power supply driving circuit connected to the power supply and configured to generate a power supply driving signal; and the control circuit is connected between the power supply driving circuit and the plurality of cascaded LED lamps, is configured to be switched on or switched off so as to enable the LED lamps to synchronously emit light or synchronously extinguish, and synchronously adjusts light source parameters of the plurality of LED lamps according to the power supply driving signal when the control circuit is switched on so as to enable the light source parameters of the LED lamps to keep the same. The embodiment of the utility model provides an in synchronous drive circuit can realize the synchro control to a plurality of LED lamp light emitting state to make a plurality of LED lamps can present completely harmonious, unanimous light source, bring better visual experience for the user.

Description

Synchronous driving circuit of multiple LED lamps

Technical Field

The utility model belongs to the technical field of the illumination, especially, relate to a synchronous drive circuit of many LED lamps.

Background

LED (Light Emitting Diode) lamp beads become an indispensable electronic component in daily life of people, and not only can the LED lamp beads provide illumination for people, but also the LED lamp beads can be used for various aspects such as city landscape, decoration and the like; considering that the brightness, color temperature and color of a light source emitted by a single LED lamp bead are single, the traditional technology adopts a plurality of LED lamp beads to cooperatively emit light, when the plurality of LED lamp beads are connected with a power supply, each LED lamp bead can simultaneously present a corresponding light source, and then the plurality of LED lamp beads can present a color-mixed picture with richer colors, and the brightness and darkness contrast of the light source is more obvious; therefore, better visual experience can be brought to users through the mode that the LED lamp beads emit light synchronously, the mixed light source emitted by the LED lamp beads meets the lighting use requirement greatly, and the synchronous light emitting mode of the LED lamp beads is widely applicable to different lighting systems.

When the plurality of LED lamps realize synchronous light emitting, corresponding driving circuits are needed to transmit driving signals to the plurality of LED lamps so that the plurality of LED lamps can realize corresponding light emitting effects; however, the driving circuit in the conventional technology needs to send a driving signal to each LED lamp, and each LED lamp realizes a corresponding light emitting effect under the corresponding driving signal; if the plurality of LED lamps emit light simultaneously, driving signals need to be sent to the plurality of LED lamps simultaneously; therefore, the driving circuit in the conventional technology is difficult to realize consistency control of a plurality of LED lamps, under the control of different driving signals, the light emitting state of each LED lamp is easy to be different, and the wireless driving signals are also interfered by external noise in the transmission process, for example, some LED lamps receive the driving signals in advance or some LED lamps cannot receive the driving signals at all, so that the light sources emitted by the plurality of LED lamps have the problems of incoordination and inconsistency, and the use experience of users is reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a synchronous drive circuit of many LED lamps, the light source harmony that sends of a plurality of LED lamps that aim at solving to exist among the traditional technical scheme is lower, can't realize the problem that the uniformity was adjusted.

The embodiment of the utility model provides a synchronous drive circuit of many LED lamps, include:

a power supply configured to output electrical energy;

a power supply driving circuit connected to the power supply and configured to generate a power supply driving signal; and

the control circuit is connected between the power supply driving circuit and the plurality of cascaded LED lamps, is configured to be switched on or switched off so as to enable the LED lamps to synchronously emit light or synchronously extinguish, and synchronously adjusts light source parameters of the plurality of LED lamps according to the power supply driving signal when the control circuit is switched on so as to enable the light source parameters of the LED lamps to keep the same.

In one embodiment, the power supply is mains power.

In one embodiment, the LED lamp light source parameters include: light source color, color temperature, and brightness.

In one embodiment, the power driving circuit is connected with the control circuit in a wired or wireless manner;

in the plurality of cascaded LED lamps, two adjacent LED lamps are connected in a wired mode;

the control circuit is connected with a first LED lamp in the plurality of cascaded LED lamps in a wired mode, or the control circuit is connected with the first LED lamp and a last LED lamp in the plurality of cascaded LED lamps in a wired mode.

In one embodiment, in the plurality of cascaded LED lamps, two adjacent LED lamps are connected by a power supply synchronization line;

the control circuit is connected with the first LED lamp and the last LED lamp in the plurality of cascaded LED lamps by adopting power supply synchronous lines, or the control circuit is connected with the first LED lamp in the plurality of cascaded LED lamps by adopting power supply synchronous lines.

In one embodiment, the synchronous driving circuit comprises an extension line, and two ends or one end of the extension line are connected with the control circuit;

n nodes exist on the extension line, and each node is connected with one LED lamp so as to enable the plurality of LED lamps to be cascaded;

wherein N is a positive integer greater than or equal to 2.

In one embodiment, the control circuit is connected to a communication device, the communication device transmits an operation signal to the control circuit, and the control circuit adjusts an operation parameter of the power driving signal according to the operation signal.

In one embodiment, the synchronous driving circuit further includes:

and the key circuit is connected with the control circuit and is configured to receive a key signal of a user and transmit the key signal to the control circuit so as to enable the control circuit to be switched on or switched off.

In one embodiment, in the plurality of cascaded LED lamps, when the control circuit is turned on, the operating voltage and the operating current of each LED lamp are equal.

In one embodiment, the LED lamp is a downlight.

The synchronous driving circuit of the multiple LED lamps can uniformly control all the LED lamps to emit light or extinguish through the control circuit, so that the multiple LED lamps are turned on or turned off in a consistent manner, and the control efficiency of the multiple LED lamps is improved; in addition, the embodiment of the utility model provides a control circuit controls the luminous state of all LED lamps, when the LED lamp inserts stable electric energy, carry out the uniformity regulation and control to the light source parameter of all LED lamps through the same way power drive signal to make the luminous state change of each LED lamp can keep harmonious, unanimous, the colour mixture picture that a plurality of LED lamps sent can bring better visual experience for people, a plurality of LED lamps have wider application scope; therefore, the synchronous driving circuit of the multiple LED lamps in the embodiment of the utility model can realize the synchronous and convenient control of the multiple LED lamps, the control response speed is high, and the control precision of the light-emitting state of the LED lamps is high; the problem of traditional technique can't realize carrying out the uniformity to a plurality of LED lamps and adjust luminance effectively, and then lead to the luminous state of a plurality of LED lamps to have the difference, user's visual experience is not good is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a synchronous driving circuit of multiple LED lamps according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a synchronous driving circuit of a plurality of LED lamps according to another embodiment of the present invention;

fig. 3 is a schematic structural diagram of a synchronous driving circuit of a plurality of LED lamps according to another embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, an embodiment of the present invention provides a schematic structural diagram of a synchronous driving circuit 10 for multiple LED lamps, wherein the synchronous driving circuit 10 is connected to multiple LED lamps, so that consistent dimming of multiple LED lamps can be realized through the synchronous driving circuit 10, and consistency of light emission of multiple LED lamps is improved; for convenience of explanation, only the parts related to the present embodiment are shown, and detailed as follows:

the synchronous drive circuit 10 includes: a power supply 101, a power supply drive circuit 102, and a control circuit 103; the power supply 101 outputs electric energy, and the plurality of LED lamps can be switched in the electric energy through the electric energy so as to keep a normal and stable working state; therefore, the power supply 101 in this embodiment is used as an electric energy supply device to keep the synchronous driving circuit 10 in a stable operating state, so as to improve the controllability and safety of the synchronous driving circuit 10 in this embodiment.

The power driving circuit 102 is connected with the power supply 101, and the power driving circuit 102 generates a power driving signal; when the power supply 101 transmits stable electric energy to the power driving circuit 102, the power driving circuit 102 can realize a conversion function of the electric energy, wherein the power driving signal can control the light emitting states of the plurality of LED lamps to realize a synchronous control function of the synchronous driving circuit 10 on the LED lamps, and further the synchronous driving circuit 10 in this embodiment has a higher control performance.

The control circuit 103 is connected between the power driving circuit 102 and the plurality of cascaded LED lamps, the control circuit 103 is turned on or off to enable each of the LED lamps to synchronously emit light or synchronously turn off, and when the control circuit 103 is turned on, light source parameters of the plurality of LED lamps are synchronously adjusted according to a power driving signal to enable the light source parameters of each of the LED lamps to be kept the same; optionally, when the control circuit 103 is turned off, the LED lamps cannot emit light because the LED lamps cannot access electric energy, and the LED lamps are in a stop state; therefore, in the embodiment, the control circuit 103 can quickly and accurately enable the LED lamps to be powered on or powered off, and the plurality of LED lamps can emit light or be turned off simultaneously, so that the coordination consistency of the light emitting states of the plurality of LED lamps is improved; and the light-emitting states of the plurality of LED lamps can be changed in a consistent manner through one control circuit 103, so that the control efficiency and the control accuracy of the plurality of LED lamps are greatly improved.

As an optional embodiment, the light source parameters of the LED lamp include: light source color, color temperature, and brightness; therefore, the synchronous driving circuit 10 transmits the power driving signal to the plurality of LED lamps, so that the color, color temperature and brightness of the light source of each LED lamp are completely consistent, the light dimming and changing consistency of the plurality of LED lamps is realized, and better visual experience is brought to users.

As an alternative embodiment, in the plurality of cascaded LED lamps, when the control circuit 103 is turned on, the operating voltage and the operating current of each LED lamp are equal.

In this embodiment, when the control circuit 103 is turned on, the control circuit 103 transmits one path of power driving signal to the plurality of LED lamps, and then each of the plurality of LED lamps is connected to the same electric energy under the control of the same path of power driving signal, so as to maintain a consistent light emitting effect; furthermore, the synchronous driving circuit 10 in this embodiment can realize complete synchronous regulation and control of a plurality of LED lamps, and the plurality of LED lamps have higher control accuracy and flexibility, so the synchronous driving circuit 10 in this embodiment has higher compatibility and practical value.

As an optional implementation manner, the power supply 101 is a commercial power, so the synchronous driving circuit 10 can be applied to industrial and household power systems, the power driving circuit 102 can implement an electric energy conversion function, the power driving circuit 102 converts the electric energy of the commercial power into a power driving signal, and implements smooth control on a plurality of LED lamps according to the power driving signal, the plurality of LED lamps implement corresponding light emitting effects according to the electric energy of the commercial power, and the synchronous driving circuit 10 ensures the stability of the electric energy in the LED lamps; therefore, the synchronous driving circuit 10 in this embodiment has strong compatibility, and can be widely applied to different illumination fields, so that the LED lamp can be always in a safe working state, and the user experience is better.

In the synchronous driving circuit 10 of the multi-LED lamp shown in fig. 1, the synchronous driving circuit 10 has a simplified module structure, and both the manufacturing cost and the application cost are low, so that the synchronous driving circuit 10 can be universally applied to different industrial and household fields, and has high compatibility; the synchronous driving single circuit 10 only needs to synchronously control the light emitting states of the plurality of LED lamps through one control circuit 103, so that the light emitting states of the plurality of LED lamps are kept in consistent change, the difference between the light emitting states of different LED lamps is avoided, and the light sources emitted by each LED lamp can be kept in complete coordination and consistency; therefore, the synchronous driving circuit 10 in this embodiment can implement a synchronous dimming function for a plurality of LED lamps, so as to improve dimming efficiency of the plurality of LEDs, and the plurality of LED lamps can implement more coordinated and clear color mixing pictures, so as to bring better visual experience to users, and the synchronous driving circuit 10 has a wider application range; therefore, the problems that the traditional technology is difficult to realize the synchronous dimming control function of a plurality of LED lamps, the light emitting state of each LED lamp has great difference, light sources emitted by the LED lamps cannot be coordinated and consistent, and the use experience of a user is poor are effectively solved.

As an optional implementation manner, the power driving circuit 102 is connected to the control circuit 103 in a wired or wireless manner; therefore, the power driving circuit 10 sends the power driving circuit to the control circuit 103 in different signal transmission manners, and the power driving circuit 102 and the control circuit 103 have high communication compatibility, so as to ensure the transmission quality of the power driving signal in the synchronous driving circuit 10.

Wherein, in the plurality of cascaded LED lamps, two adjacent LED lamps are connected in a wired mode; the control circuit 103 is connected with a first LED lamp of the plurality of cascaded LED lamps in a wired manner, or the control circuit 103 is connected with the first LED lamp and a last LED lamp of the plurality of cascaded LED lamps in a wired manner.

In the embodiment, the control circuit 103 and the plurality of cascaded LED lamps are connected in two ways, and both the two ways can enable the control circuit 103 to achieve a synchronous control effect on the plurality of LED lamps; illustratively, if the number of the LED lamps in the plurality of cascaded LED lamps is greater than 5, the control circuit 103 and the plurality of cascaded LED lamps are connected end to end in a cyclic manner, so as to improve the control efficiency of the plurality of LED lamps and avoid attenuation during transmission of the power driving signal; if the number of the LED lamps in the plurality of cascaded LED lamps is less than 6, the control circuit 103 is only connected to the first LED lamp in the plurality of cascaded LED lamps by wire, which not only ensures the light source consistency of the plurality of LED lamps, but also reduces the signal connection cost of the synchronous driving circuit 10; because each LED lamp in the plurality of cascaded LED lamps is arranged and distributed in sequence, the control circuit 103 and the plurality of cascaded LED lamps in the embodiment adopt a head-to-tail circulation connection mode, or the control circuit 103 is connected with a first LED lamp in the plurality of cascaded LED lamps, so that the control efficiency and the control precision of the LED lamps are improved; compared with a wireless transmission mode, in the embodiment, wired transmission modes are adopted between any adjacent LED lamps and between the LED lamps and the control circuit 103, so that the power driving signals keep complete control information in the transmission process, each LED lamp can receive the original power driving signal and synchronously control the light source parameters of the plurality of LED lamps through the same power driving signal, the control accuracy of the light emitting states of the plurality of LED lamps is improved, and the problem that the power driving signals have control errors for the plurality of LED lamps due to interference of external noise on the power driving signals is avoided; therefore, the synchronous driving circuit 10 in this embodiment can achieve a safe and consistent control effect for a plurality of LED lamps, and the synchronous driving circuit 10 has a higher control response speed, so that the plurality of LED lamps achieve a light source consistency adjustment function.

As an optional implementation manner, in the plurality of cascaded LED lamps, two adjacent LED lamps are connected by using a power supply synchronization line; the control circuit 103 is connected with a first LED lamp and a last LED lamp in the plurality of cascaded LED lamps by a power supply synchronization line, or the control circuit 103 is connected with a first LED lamp in the plurality of cascaded LED lamps by a power supply synchronization line; because the power supply synchronization line has good signal transmission rate, can ensure the communication quality of signals in the transmission process, has good compatibility, and is applicable to the electrical connection among various types of LED lamps, the embodiment realizes the electrical connection between two adjacent LED lamps through the power supply synchronization line customized in advance, so that each LED lamp can stably receive power supply driving signals in real time, and the effect of synchronous light emitting of a plurality of LED lamps is realized; therefore, the LED lamps in this embodiment have higher communication security and communication compatibility, the synchronous driving circuit 10 can achieve a better control effect on the light emitting states of the plurality of LED lamps, the light source changes of the plurality of LED lamps can be completely kept consistent, and the control error of the synchronous driving circuit 10 on the plurality of LED lamps is avoided.

As an alternative embodiment, referring to fig. 1, the synchronous driving circuit 10 includes an extension line, and both ends or one end of the extension line is connected to the control circuit 103; n nodes exist on the extension line, and each node is connected with one LED lamp so as to enable the plurality of LED lamps to be cascaded; wherein N is a positive integer greater than or equal to 2.

Preferably, in each node of the extension lines, the LED lamp is connected to the node through another extension line, so as to avoid signal transmission errors of the power driving signal during transmission; and then the LED lamp can be quickly connected into the power driving signal, and the light emitting state of the LED lamp can be changed through the power driving signal.

When the control circuit 103 is turned on and the control circuit 10 transmits the power driving signal to the extension line, each LED lamp can access the power driving signal in the extension line to achieve a corresponding synchronous light emitting effect; meanwhile, the extension line in the embodiment has good expandability, the connection mode between the control circuit 103 and the extension line is flexible, the control flexibility of a plurality of LED lamps is improved, and the synchronous drive circuit 10 in the embodiment has higher compatibility and universality; technicians can set the number of nodes on the extension line according to actual needs to realize synchronous operation of the plurality of LED lamps; therefore, the synchronous driving circuit 10 in this embodiment has an excellent control performance for a plurality of LED lamps, each LED lamp realizes a synchronous light emitting effect under the control of the same power driving signal, and the synchronous driving circuit 10 has a wider application range.

As an alternative embodiment, referring to the structural schematic of the synchronous driving circuit 10 in fig. 1, the LED lamp is a tube lamp; the down lamp has the advantages of good energy conservation, environmental protection and the like, and further the down lamp is applied to different illumination fields, the synchronous drive circuit 10 in the embodiment can control the light emitting states of a plurality of down lamps in real time, the light emitting states of all the down lamps can be kept completely consistent, the control efficiency of the down lamps is improved, the synchronous drive circuit 10 has higher control efficiency for the down lamps, and the light emitting effects of the down lamps can meet the visual demands of users; therefore, the down lamp can have higher use value and wider application range through the synchronous drive circuit 10 in the embodiment.

As an alternative implementation, fig. 2 shows another module structure of the synchronous driving circuit 10 provided in this embodiment, compared to the module structure of the synchronous driving circuit shown in fig. 1, in this embodiment, the control circuit 103 is connected to a communication device 30, the control circuit 103 communicates with the communication device 30, the communication device 30 transmits an operation signal to the control circuit 103, and the control circuit 103 adjusts an operation parameter of the power driving signal according to the operation signal.

Illustratively, the communication device 30 is a single chip microcomputer or a CPLD (Complex Programmable logic device), and therefore, a user can control the operating state of the control circuit 103 in real time through the communication device 30, and the compatibility is very strong, which brings great use experience to the user.

Optionally, the operating parameters of the power driving signal include: amplitude and frequency; by changing the operation parameters of the power driving signal, the LED lamp is driven by the power driving signal to achieve different light emitting effects, so that the light source parameters of the LED lamp can be adjusted according to the actual needs of the user, the controllability of the synchronous driving circuit 10 in the embodiment is improved, and the visual experience of the user is better; the communication device 30 is capable of indirectly and uniformly changing the lighting states of the plurality of LED lamps.

In this embodiment, the control signal includes operation information of a user, and the lighting state of the LED lamp can be changed by the control signal, and then when the synchronous driving circuit 10 transmits the power driving signal to the plurality of LED lamps according to the operation information of the user, the LED lamps can synchronously change their light source parameters according to the actual functional requirements of the user, so that the lighting states of the plurality of LED lamps have higher controllability; the synchronous driving circuit 10 in the embodiment has higher communication compatibility, can perform information interaction with external equipment, the synchronous driving circuit 10 has higher synchronous control stability, the mixed color light source emitted by the LED lamps can meet the actual requirements of users, and the practical value is higher.

As an alternative implementation, fig. 3 shows another module structure of the synchronous driving circuit 10 provided in this embodiment, and compared with the module structure of the synchronous driving circuit shown in fig. 1, in this embodiment, the synchronous driving circuit 10 in fig. 3 further includes: a key circuit 401; the key circuit 401 is connected to the control circuit 103, and the key circuit 401 receives a key signal of a user and transmits the key signal to the control circuit 103, so that the control circuit 103 is turned on or off.

In this embodiment, the key signal includes circuit on-off control information, and the selection information of the user for the light emission or the light extinction of the LED lamp can be embodied through the key signal; illustratively, the control circuit 103 can be correspondingly turned on or off when the key signal is in different level states, for example, when the key signal is in a first level state, the control circuit 103 is turned on, and when the key signal is in a second level state, the control circuit 103 is turned off; optionally, the first level state may refer to a high level state or a low level state, which is not limited herein; therefore, the key circuit in the embodiment realizes synchronous power on or synchronous power off of a plurality of LED lamps according to the key information of a user, and guarantees the control loudness speed and control response precision of the synchronous driving circuit 10; in this embodiment, the plurality of LED lamps realize synchronous light emission or extinction under the key information of the user, so that the light source consistency of the plurality of LED lamps is ensured, and the synchronous driving circuit 10 has a faster control response speed, so that the plurality of LED lamps can realize synchronous dimming control.

It should be noted that, in the above embodiments, the power driving circuit 102, the control circuit 103, and the key circuit 401 may all be implemented by using a circuit structure in the conventional technology, which is not limited herein; illustratively, the key circuit 401 includes electronic components such as a switch tube, a button and a direct-current power supply, when the button is triggered, the button generates a key signal, and the on-off control of the light source of the LED lamp is realized through the key signal, so that the operation is simple and convenient, good use experience is brought to a user, the user can change the light emitting state of the LED lamp in real time through the key circuit 401, and the synchronous driving circuit 10 has good control sensitivity; therefore, the synchronous driving circuit 10 in this embodiment has a simplified circuit structure, low manufacturing cost and application cost, and a wide application range.

To sum up, the synchronous driving circuit 10 of the multiple LED lamps in the embodiment of the present invention has a relatively simplified circuit structure, and has extremely strong compatibility, and the multiple LED lamps are cascaded with each other, and the control circuit 103 can synchronously control the multiple LED lamps to emit light or extinguish, so as to improve the consistent light emitting effect of the multiple LED lamps; the light source parameters of the plurality of LED lamps can be synchronously regulated and controlled through one path of power supply driving signal, the light emitting states of the plurality of LED lamps can keep consistent change, the light sources of the plurality of LED lamps have extremely high harmony, the adjustability of each LED lamp is realized, so that the light sources presented by the plurality of LED lamps bring better visual experience to users, and the synchronous control performance of the LED lamps is improved; therefore, the embodiment of the present invention provides a synchronous driving circuit 10, which has an extremely important promoting effect on the development of lighting technologies of a plurality of LED lamps, and will generate a great lighting value in industrial production and family life.

Various embodiments are described herein for various devices, circuits, apparatuses, systems, and/or methods. Numerous specific details are set forth in order to provide a thorough understanding of the overall structure, function, manufacture, and use of the embodiments as described in the specification and illustrated in the accompanying drawings. However, it will be understood by those skilled in the art that the embodiments may be practiced without such specific details. In other instances, well-known operations, components and elements have been described in detail so as not to obscure the embodiments in the description. It will be appreciated by those of ordinary skill in the art that the embodiments herein and shown are non-limiting examples, and thus, it can be appreciated that the specific structural and functional details disclosed herein may be representative and do not necessarily limit the scope of the embodiments.

Reference throughout the specification to "various embodiments," "in an embodiment," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in various embodiments," "in some embodiments," "in one embodiment," or "in an embodiment," or the like, in places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, a particular feature, structure, or characteristic illustrated or described in connection with one embodiment may be combined, in whole or in part, with features, structures, or characteristics of one or more other embodiments without presuming that such combination is not an illogical or functional limitation. Any directional references (e.g., plus, minus, upper, lower, upward, downward, left, right, leftward, rightward, top, bottom, above …, below …, vertical, horizontal, clockwise, and counterclockwise) are used for identification purposes to aid the reader's understanding of the present disclosure, and do not create limitations, particularly as to the position, orientation, or use of the embodiments.

Although certain embodiments have been described above with a certain degree of particularity, those skilled in the art could make numerous alterations to the disclosed embodiments without departing from the scope of this disclosure. Joinder references (e.g., attached, coupled, connected, and the like) are to be construed broadly and may include intermediate members between a connection of elements and relative movement between elements. Thus, connection references do not necessarily imply that two elements are directly connected/coupled and in a fixed relationship to each other. The use of "for example" throughout this specification should be interpreted broadly and used to provide non-limiting examples of embodiments of the disclosure, and the disclosure is not limited to such examples. It is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative only and not limiting. Changes in detail or structure may be made without departing from the disclosure.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A synchronous driving circuit of a multi-LED lamp is characterized by comprising:

a power supply configured to output electrical energy;

2. The synchronous drive circuit according to claim 1, wherein the power supply is mains power.

3. The synchronous drive circuit of claim 1, wherein the light source parameters of the LED lamp comprise: light source color, color temperature, and brightness.

4. The synchronous drive circuit according to claim 1, wherein the power drive circuit is connected with the control circuit in a wired or wireless manner;

5. The synchronous driving circuit according to claim 4, wherein, in the plurality of cascaded LED lamps, two adjacent LED lamps are connected by a power supply synchronous line;

6. The synchronous driving circuit according to claim 5, wherein the synchronous driving circuit comprises an extension line, and both ends or one end of the extension line is connected with the control circuit;

wherein N is a positive integer greater than or equal to 2.

7. The synchronous drive circuit of claim 1, wherein the control circuit is coupled to a communication device, the communication device transmitting an operating signal to the control circuit, the control circuit adjusting an operating parameter of the power drive signal based on the operating signal.

8. The synchronous drive circuit according to claim 1, further comprising:

9. The synchronous drive circuit of claim 1, wherein in the plurality of cascaded LED lamps, the operating voltage and the operating current of each LED lamp are equal when the control circuit is turned on.

10. The synchronous drive circuit according to any of claims 1-9, wherein the LED lamp is a downlight.