CN208079451U - a lighting fixture - Google Patents

Abstract

The utility model relates to a lighting fixture, and relates to the field of electronic equipment. The main technical solution is: a lighting fixture, which includes: a wireless carrier controller, the wireless carrier controller includes a power supply circuit, a wireless micro control unit, a power line carrier receiving circuit, and a driving circuit; a plurality of LED bulbs with the same structure, the LED bulbs are connected to the wireless carrier controller through a power line, and the LED bulbs include a receiving circuit, a dimming and color adjustment circuit, and an LED light source connected in sequence. The purpose achieved by the utility model is to enable multiple LED bulbs to be adjusted synchronously, realize arbitrary switching between wireless and carrier communications, and reduce the cost of the lamp.

Description

a lighting fixture

technical field

The utility model relates to the field of electronic equipment, in particular to a lighting fixture.

Background technique

At present, the light bulbs on the market that can realize wireless dimming and color adjustment are all equipped with drive and communication control modules. Through wireless transmitters and one-to-many communication mode, wireless dimming and color adjustment of a single light bulb or multiple light bulbs can be realized. Function.

However, in the prior art, multiple LED light bulbs are usually set in one light fixture, and in order to be able to adjust the light and adjust the color of the light bulbs, each LED light bulb will independently set up a terminal device, and then adjust the light bulb by receiving the same wireless command. Lighting and color adjustment, but this one-to-many control method will be subject to different interferences, the dimming and color adjustment of multiple LED bulbs will be out of sync, and in special environments, wireless communication will be blocked.

To sum up, it is necessary to set up an effective control scheme, which can perform synchronous dimming and color adjustment for each bulb of the lamp, and can solve the above problems.

Utility model content

The main purpose of the utility model is to provide a lighting fixture with a new structure, and the technical problem to be solved is to enable multiple LED bulbs to be adjusted synchronously, realize random switching between wireless and carrier communication, and reduce the cost of the lighting fixture.

The purpose of this utility model and its technical solution are to adopt the following technical solutions to achieve. According to a lighting fixture proposed by the utility model, it includes:

A wireless carrier controller, the wireless carrier controller includes a power supply circuit, a wireless micro-control unit, a power line carrier receiving circuit, and a driving circuit;

A plurality of LED light bulbs with the same structure, the LED light bulbs are connected to the wireless carrier controller through a power line, and the LED light bulbs include a receiving circuit, a dimming and coloring circuit and an LED light source connected in sequence;

Wherein, the power supply circuit is used to connect with the driving circuit and the wireless micro-control unit to supply power for the wireless micro-control unit, and the power line carrier receiving circuit is connected to the wireless micro-control unit; the power line carrier The receiving circuit is connected to the power line, and the input end of the wireless micro-control unit is connected to the output wire of the power line carrier receiving circuit for receiving the signal sent by the power line carrier receiving circuit and sending the carrier signal to the LED light bulb.

The purpose of the utility model and the solution to its technical problems can also be further realized by adopting the following technical measures.

Preferably, the aforementioned lighting fixture, wherein the receiving circuit of the LED light bulb is a zero-crossing detection circuit composed of a preset number of resistors and triodes, used to receive the wireless signal and carrier signal sent by the wireless micro-control unit.

Preferably, the aforementioned lighting fixture, wherein the wireless micro-control unit includes a wireless transceiver circuit, a wired transceiver circuit, and a micro-control module.

Preferably, the aforementioned lighting fixture, wherein the wireless transceiver circuit, the wired transceiver circuit and the micro-control module are integrated into one chip.

Preferably, the aforementioned lighting fixture, wherein the drive circuit is connected to the power line, and provides power for the LED bulb and the power supply circuit respectively;

Wherein, the driving circuit is connected between the plurality of LED bulbs with the same structure.

Preferably, the aforementioned lighting fixture further includes: a casing, the wireless carrier controller and the plurality of LED bulbs are accommodated in the casing.

With the above technical solution, the wireless control lamp of the present invention has at least the following advantages:

In the technical solution of the utility model, the wireless carrier controller of the lighting fixture is set separately from the LED light bulb, wherein the wireless micro-control unit in the wireless carrier controller can receive the wired carrier control signal, and then transmit the control signal to the LED light bulbs, and a plurality of LED light bulbs provided in the utility model can receive control signals at the same time, and then can realize the dimming and color adjustment of multiple LED bulbs at the same time; in addition, the wireless carrier controller provided by the wireless control lamps of the utility model can Directly applied to the lamps of the prior art, only need to add a power line carrier receiving circuit to the lamps of the prior art, can realize the random switching between wireless communication and wired communication, so that the wired communication will not interfere with the wireless communication Wireless communication produces interference; at the same time, the utility model reduces the use of terminal equipment of LED bulbs, and effectively reduces production costs.

The above description is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with accompanying drawings. back.

Description of drawings

Fig. 1 is a schematic structural view of a lighting fixture provided by an embodiment of the present invention.

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the utility model, the specific implementation, structure, characteristics and details of the wireless control lamp proposed according to the utility model will be described below in conjunction with the accompanying drawings and preferred embodiments. Its effect is described in detail below. In the following description, different "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

As shown in Figure 1, a lighting fixture proposed by an embodiment of the present invention includes: a wireless carrier controller 1 and a plurality of LED bulbs 2; the wireless carrier controller 1 includes a power supply circuit 11, a wireless micro-controller Unit 12, power line carrier receiving circuit 13 and driving circuit 14; the power supply circuit 11 is used to connect with the driving circuit 14 and the wireless micro-control unit 12 to supply power for the wireless micro-control unit 12, and the power line carrier The receiving circuit 13 is connected to the wireless micro-control unit 12; the power line carrier receiving circuit 13 is connected to the power line, and the input end of the wireless micro-control unit 12 is connected to the output wire of the power line carrier receiving circuit 13 for receiving The power line carrier receives the signal sent by the circuit 13, and sends the carrier signal to the LED light bulb 2, and the LED light bulb 2 is connected with the wireless carrier controller 1 through the power line, and the LED light bulb includes a receiving circuit 23 connected in sequence, a regulator Light toning circuit 21 and LED light source 22.

Specifically, the wireless carrier controller can be an integrated structure, that is, the wireless carrier controller includes a power supply circuit, a wireless micro-control unit, a power line carrier receiving circuit, and a drive circuit. Connect the wireless carrier controller in the lamp by means of the head, or set a housing on the outer surface of the integrated wireless carrier controller, and then set the quick connector on the outer surface of the housing, which is convenient for the installation and installation of the wireless carrier controller. At the same time, the wireless carrier controller can also be sold as a separate product or replace parts; in addition, the wireless carrier controller controls the switch of the LED bulb through MOS or thyristor; the power supply circuit can refer to the common The power supply circuit in the language lamp, or set the power supply circuit by itself according to the power of the wireless control lamp provided by the utility model; the wireless micro control unit can be directly purchased in the market, and the model of the wireless micro control unit can be selected according to specific needs. The wireless transceiver power of the control unit can also be selected according to specific needs; the power line carrier receiving circuit refers to a circuit that can receive the carrier data of the power line and decode it, which can be purchased directly from the market, or through existing power lines, resistors, Capacitors, inductors and diodes and other power components are used to build; the LED light source of the LED light bulb can directly adopt the structure, model, luminous color, etc. commonly used in the prior art; the drive unit can directly use the drive unit commonly used in the prior art, for example including The driving unit of the LED driving power supply circuit and the dimming and coloring circuit.

The working principle of the lighting fixture provided by the utility model is as follows: the wireless instruction is received by the wireless micro control unit, and the carrier control signal from the remote controller can be received, and the wireless micro control unit is used to identify whether the wireless carrier control signal is received. If the carrier control signal is received, the wireless receiving function is turned off, and the power carrier signal input by the live wire or the neutral line is received through the power line carrier receiving circuit, and then the wireless microcontroller converts the power carrier signal into a brightness that can be recognized by the dimming and coloring circuit or Color tone, under the power drive of the driving circuit to the dimming and coloring circuit, the dimming and coloring circuit adjusts the LED light source according to the received brightness or color tone; if no wireless carrier control signal is received, the power line carrier reception is turned off The receiving function of the circuit is to receive the wireless control signal from the remote controller through the wireless micro-control unit, and input the brightness or color tone in the control signal into the dimming and coloring circuit through the power line, so as to adjust the brightness or color tone of the LED light source.

In the technical solution of the utility model, the wireless carrier controller of the lighting fixture is set separately from the LED light bulb, wherein the wireless micro-control unit in the wireless carrier controller can receive the wired carrier control signal, and then transmit the control signal to the LED light bulbs, and a plurality of LED light bulbs provided in the utility model can receive control signals at the same time, and then can realize the dimming and color adjustment of multiple LED bulbs at the same time; in addition, the wireless carrier controller provided by the wireless control lamps of the utility model can Directly applied to the lamps of the prior art, only need to add a power line carrier receiving circuit to the lamps of the prior art, can realize the random switching between wireless communication and wired communication, so that the wired communication will not interfere with the wireless communication Wireless communication produces interference; at the same time, the utility model reduces the use of terminal equipment of LED bulbs, and effectively reduces production costs.

In the specific implementation, the lighting fixture provided by the utility model also includes: the wireless micro control unit 1 includes a wireless transceiver circuit, a wired transceiver circuit, a micro control module, the wireless transceiver circuit, the wired transceiver circuit and the micro The control module is integrated into one chip.

Specifically, since the wireless micro-control unit needs to receive and send wireless and wired signals, and identify whether to turn off the wireless transceiver circuit or the power line carrier receiving circuit, the wireless micro-control unit needs to include a wireless transceiver circuit, a wired transceiver circuit, and a micro-control module. , wherein the wired transceiver circuit can forward the wired signal sent by the power line carrier receiving circuit to the LED light bulb, so as to adjust the dimming and color adjustment. In addition, in order to reduce the volume of the wireless micro-control unit and reduce the space occupied by the wireless micro-control unit, the wireless transceiver circuit, the wired transceiver circuit and the micro-control module can be packaged into one chip.

As shown in Figure 1, in the actual implementation, the receiving circuit 23 of the LED light bulb 2 is a zero-crossing detection circuit composed of a preset number of resistors and triodes, which is used to receive the wireless signal sent by the wireless micro control unit. and carrier signal.

Specifically, the wireless carrier controller uses traditional MOS or SCR to control the on-off of the load, uses the zero-crossing signal of the alternating current as the synchronization signal, performs chopping at the zero point, and uses the chopping broadband as a bit data, and the receiving circuit passes through Judging the pulse width of the zero-crossing signal can determine whether there is a control command, and analyze it after receiving the control command. The receiving circuit is a necessary circuit for traditional switches and zero-crossing detection, so there is no increase in cost.

As shown in Figure 1, in the actual implementation, wherein the drive circuit 14 is connected to the power line, and provides power for the LED bulb 2 and the power supply circuit 11 respectively; wherein, the drive circuit is connected to the plurality of Between LED bulbs with the same structure.

Specifically, the driving circuit is the LED driving power circuit, which can be set with reference to the mature driving circuit in the prior art, and the LED driving power circuit can be set as an integrated block and connected to the LED light source; the dimming and coloring circuit can be directly The conventional dimming and color-grading circuits in the lamps and lanterns of the prior art are used.

In a specific implementation, the lighting fixture provided by the utility model further includes: a casing, the wireless carrier controller and the plurality of LED bulbs are accommodated in the casing.

Specifically, the structure of the casing can be set to any structure, as long as the wireless carrier controller and the LED light bulb can be accommodated in the casing; in addition, the wireless carrier controller can also be arranged on the outer surface of the casing to avoid Affected by the heat emitted by LED bulbs.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model are all valid. Still belong to the scope of the technical solution of the utility model.

Claims (6)

1. A lighting fixture, characterized in that it comprises: A wireless carrier controller, the wireless carrier controller includes a power supply circuit, a wireless micro-control unit, a power line carrier receiving circuit, and a driving circuit; A plurality of LED light bulbs with the same structure, the LED light bulbs are connected to the wireless carrier controller through a power line, and the LED light bulbs include a receiving circuit, a dimming and coloring circuit and an LED light source connected in sequence; Wherein, the power supply circuit is used to connect with the driving circuit and the wireless micro-control unit to supply power for the wireless micro-control unit, and the power line carrier receiving circuit is connected to the wireless micro-control unit; the power line carrier The receiving circuit is connected to the power line, and the input end of the wireless micro-control unit is connected to the output wire of the power line carrier receiving circuit for receiving the signal sent by the power line carrier receiving circuit and sending the carrier signal to the LED light bulb. 2. The lighting fixture according to claim 1, characterized in that, The receiving circuit of the LED light bulb is a zero-crossing detection circuit composed of a preset number of resistors and triodes, which is used to receive the wireless signal and the carrier signal sent by the wireless micro-control unit. 3. The lighting fixture according to claim 1, characterized in that, The wireless micro-control unit includes a wireless transceiver circuit, a wired transceiver circuit, and a micro-control module. 4. The lighting fixture according to claim 3, characterized in that, The wireless transceiver circuit, the wired transceiver circuit and the micro control module are integrated into one chip. 5. The lighting fixture according to claim 1, characterized in that, The drive circuit is connected to the power line, and provides power for the LED light bulb and the power supply circuit respectively; Wherein, the driving circuit is connected between the plurality of LED bulbs with the same structure. 6. The lighting fixture according to claim 1, further comprising: The casing, the wireless carrier controller and the plurality of LED bulbs are housed in the casing.