Dimming bulb

Abstract

The utility model relates to the technical field of LED dimming, in particular to a dimming bulb, which comprises a phase cutting detection circuit, a WIFI module circuit and an LED driving circuit, the input end of the phase cutting detection circuit is electrically connected with a power supply, the output end of the phase cutting detection circuit is electrically connected with an LED lamp to detect a power supply signal and generate a trigger signal, the input end of a WIFI module receives the trigger signal, the WIFI module circuit is electrically connected with the LED lamp, and the LED driving circuit is electrically connected with the WIFI module circuit. The LED driving circuit is used for wirelessly adjusting the brightness and color of the LED lamp, the input end of the LED driving circuit is electrically connected to the phase cutting detection circuit and the WIFI module circuit, and the output end of the LED driving circuit is connected to the LED lamp; the technical scheme of the utility model aims to improve the intelligent degree of the control of the dimming bulb.

Description

Technical Field

[0001] The utility model relates to the technical field of LED dimming, in particular to a dimming bulb. Background Art

[0002] The dimming bulb is an LED lighting product that can adjust the brightness. It has a dimming function, allowing users to adjust the lighting brightness as needed, thereby achieving comfortable lighting effects in different environments. Combined with circuit control technology, users can change the current and voltage through an external dimmer or switch to adjust the brightness of the LED. In the dimming bulb, thyristors are usually used to adjust the current to achieve brightness adjustment.

[0003] For example, the thyristor dimming linear LED driving circuit disclosed in the Chinese patent with publication number CN218450622U connects the input end of the input rectifier circuit to an AC power supply and the output end to the input end of the thyristor dimming linear LED constant current control system through an input rectifier circuit and a thyristor dimming linear LED constant current control system. The input end of the thyristor dimming linear LED constant current control system is connected to the output end of the input rectifier circuit and the output end is connected to an LED load, thereby realizing the control of the brightness of the LED lamp. This control method makes it difficult to freely control the brightness and color of the light, which makes the control of the light not very convenient. Utility Model Content

[0004] The main purpose of the utility model is to provide a dimming bulb, aiming to improve the intelligent level of dimming bulb control.

[0005] To achieve the above purpose, the utility model provides a dimming bulb, comprising:

[0006] A phase detection circuit, wherein an input end of the phase detection circuit is electrically connected to a power supply, and an output end of the phase detection circuit is electrically connected to an LED lamp, so as to detect a power supply signal and generate a trigger signal;

[0007] A WIFI module circuit, wherein the WIFI module input terminal receives the trigger signal, and the WIFI module circuit is electrically connected to the LED lamp, and is used to wirelessly adjust the brightness and color of the LED lamp; and

[0008] LED driving circuit, the input end of the LED driving circuit is electrically connected to the phase detection circuit and the WIFI module circuit respectively, and the output end of the LED driving circuit is connected to the LED lamp.

[0009] In one embodiment of the present application, the phase-cut detection circuit includes:

[0010] A comparison unit, wherein an input end of the comparison unit is electrically connected to the power supply, and an output end of the comparison unit is electrically connected to the WIF module circuit, so as to detect the magnitude of the power supply signal; and

[0011] A signal amplifying unit, wherein the signal amplifying unit is electrically connected to a power supply, and an output end of the signal amplifying unit is connected to the WIFI module circuit, and is used to detect the size of a power supply signal and amplify the output signal after comparison.

[0012] In one embodiment of the present application, the signal amplification unit includes:

[0013] An operational amplifier, wherein the input terminal of the operational amplifier is connected to a power supply and is used to analyze, compare and amplify a power supply signal; and

[0014] A field effect transistor, wherein the input end of the field effect transistor is connected to the operational amplifier, and the output end of the field effect transistor is connected to the LED driving circuit, for further amplifying the power supply signal required to be output.

[0015] In one embodiment of the present application, the WIFI module circuit includes:

[0016] A receiving unit, the receiving unit is used to receive the wireless signal and the signal amplified by the signal amplifying unit;

[0017] a processing unit, the processing unit processing the signal output by the receiving unit; and

[0018] An output unit, wherein an input end of the output unit receives an output signal of the processing unit, and an output end of the output unit outputs a control signal to the LED driving circuit.

[0019] In an embodiment of the present application, the processing unit adopts a WIFI chip, and the WIFI chip receives a wireless signal and generates a control signal to transmit to the LED driving circuit.

[0020] In one embodiment of the present application, an LED light board is also included, and the input end of the LED light board is connected to the output end of the LED driving circuit for executing the control signal of the LED light board.

[0021] In one embodiment of the present application, the LED lamp board includes multiple groups of parallel LED lamps, which are respectively connected to the output ends of the LED driving circuit to achieve control of the multiple groups of LED lamps.

[0022] The utility model technical solution is achieved through

[0023] The power supply circuit is detected by using a phase detection circuit, and the qualified electric quantity is amplified and output to the LED driving circuit. The control signal is output through the processing of the LED driving circuit, so that the LED circuit board can execute different commands, avoiding the defect that the traditional LED lamp can only be adjusted by thyristor or WIFI respectively, which is not convenient, thereby improving the intelligence of the LED lamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0025] Figure 1 This is a flow chart of the dimming bulb of the utility model;

[0026] Figure 2 This is the circuit diagram of the dimming bulb of the utility model;

[0027] Figure 3 This is the circuit diagram of the dimming bulb WIFI module circuit of the utility model;

[0028] Figure 4 The circuit diagram of the dimming bulb phase-cut detection circuit of the utility model;

[0029] Figure 5 The utility model is a circuit diagram of a dimming bulb LED driving circuit.

[0030] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0032] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments. In order to enable those skilled in the art to better understand the scheme of the present application, the technical scheme in the embodiment of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0033] To solve the problems in the background technology, such as Figures 1 to 5 As shown, the utility model proposes a dimming bulb, including a phase detection circuit, a WIFI module circuit and an LED drive circuit, the input end of the phase detection circuit is electrically connected to a power supply, the output end of the phase detection circuit is electrically connected to an LED lamp to detect a power supply signal and generate a trigger signal, the input end of the WIFI module receives the trigger signal, the WIFI module circuit is electrically connected to the LED lamp, and is used to wirelessly adjust the brightness and color of the LED lamp, the input end of the LED drive circuit is electrically connected to the phase detection circuit and the WIFI module circuit, respectively, and the output end of the LED drive circuit is connected to the LED lamp.

[0034] It can be understood that the phase-cut detection circuit is connected to the power supply to detect the power supply signal and generate a trigger signal. This trigger signal will be transmitted to the WIFI module circuit for subsequent processing. The phase-cut detection circuit is usually used in conjunction with a dimmer switch or a dimming system to realize the dimming function by detecting the phase cutting control signal of the AC power supply. When the dimmer switch or system adjusts the brightness, a phase cutting signal will be generated. The phase-cut detection circuit is responsible for detecting and decoding the signal. The input end of the phase-cut detection circuit is connected to the power supply to receive the voltage signal of the AC power supply. Through the phase detection technology, the circuit can identify the phase cutting of the power supply signal and output the corresponding trigger signal; the WIFI module is a wireless communication module that allows the device to communicate with other devices through the WIFI network. In the dimming bulb, the WIFI module acts as a bridge between the LED lamp and the wireless control device. The WIFI module circuit uses WIFI wireless communication technology to enable the dimming bulb to communicate with other WIFI compatible devices, so that users can use mobile phones, tablets or other devices to control the brightness and color of the LED lamp through the WIFI network using specific applications or software.

[0035] Among them, the input end of the LED driving circuit is respectively connected to the phase detection circuit and the WIFI module circuit. The LED driving circuit is responsible for converting the electric energy provided by the power supply into a current and voltage suitable for the LED lamp, thereby driving the LED lamp to emit light. The LED driving circuit has a stable current output to ensure the normal operation of the LED lamp. This circuit will be connected to the phase detection circuit and the WIFI module circuit to power and control the LED lamp, thereby realizing the joint control and adjustment of the LED light bulb through the WIFI module circuit and the phase detection circuit, thereby improving the intelligence level of the light bulb control.

[0036] like Figures 2 to 5 As shown, in one embodiment of the present application, the phase-cut detection circuit includes a signal amplifying unit, which is electrically connected to a power supply, and an output end of the signal amplifying unit is connected to a WIFI module circuit, for detecting the size of a power supply signal and amplifying the compared output signal.

[0037] It can be understood that the signal amplification unit is electrically connected to the power supply, and its main function is to detect the size of the power supply signal and amplify the output signal after comparison. The signal amplification unit is used to amplify the signal output by the comparison unit. Since the signal output by the comparison unit may be small, it needs to be amplified to meet the requirements of the subsequent circuit. The signal amplification unit will amplify the signal output by the comparison unit to an appropriate level and provide sufficient driving capability to further control the brightness of the LED lamp and improve the reliability and stability of the signal so that it can be passed to the WIFI module circuit for further processing.

[0038] like Figure 4 As shown, in one embodiment of the present application, the signal amplification unit includes an operational amplifier and a field effect transistor, the input end of the operational amplifier is connected to the power supply, and is used to analyze, compare and amplify the power supply signal, the input end of the field effect transistor is connected to the operational amplifier, and the output end of the field effect transistor is connected to the LED drive circuit, and is used to further amplify the power supply signal required to be output.

[0039] It can be understood that the operational amplifier is the part of the signal amplification unit used for signal amplification, and its input end can be connected to the power supply for receiving the power supply signal. The operational amplifier can analyze, compare and amplify the input signal, and it can generate a corresponding output signal according to the difference between the input signal and the reference level. The operational amplifier plays a role in signal processing and amplification in the signal amplification unit; the field effect transistor is used to further amplify the signal output from the operational amplifier to meet the required output power signal requirement. The input end of the field effect transistor is connected to the output end of the operational amplifier, and the output end is connected to the LED drive circuit. The field effect transistor adjusts its conduction state by controlling its gate voltage, thereby controlling the degree of signal amplification.

[0040] like Figure 3As shown, in one embodiment of the present application, the WIFI module circuit includes a receiving unit, a processing unit and an output unit. The receiving unit is used to receive the wireless signal and the signal amplified by the signal amplifying unit. The processing unit processes the signal output by the receiving unit. The input end of the output unit receives the output signal of the processing unit. The output end of the output unit outputs the control signal to the LED driving circuit.

[0041] It can be understood that the receiving unit is responsible for receiving wireless LAN signals, including an antenna or receiver for receiving wireless signals sent from a Wi-Fi transmitter. The receiving unit converts the received signals into electrical signals and transmits them to the processing unit for processing; the processing unit is the core part of the Wi-Fi module, used to process the received signals, and it includes one or more processors for decoding the received signals, performing data parsing, executing protocol processing, etc. The processing unit is also responsible for controlling the connection and communication of Wi-Fi and exchanging data with external devices; the output unit is used to convert the signal output by the processing unit into a control signal and output it to the LED drive circuit or other output device. The output unit may include circuits and interface circuits for adapting and driving the LED drive circuit. It converts and adjusts the signal output by the processing unit to generate an appropriate control signal, thereby controlling the brightness and color of the LED lamp.

[0042] like Figures 3 to 5 As shown, in one embodiment of the present application, the processing unit adopts a WIFI chip, and the WIFI chip receives wireless signals and generates control signals to be transmitted to the LED driving circuit.

[0043] It can be understood that the processing unit uses a Wi-Fi chip to perform Wi-Fi signal processing and protocol operations. The Wi-Fi chip is an integrated circuit specifically used to process wireless network communications. It receives wireless signals and decodes and processes them according to the Wi-Fi protocol to convert the data into a usable control signal. The control signal generated by the processing unit will be transmitted to the LED drive circuit. The LED drive circuit is responsible for receiving and parsing the control signal output by the processing unit, and controlling the brightness, color, etc. of the LED according to the signal requirements. The LED drive circuit performs appropriate conversion and adjustment according to different control signals to meet the driving requirements of the LED lamp.

[0044] like Figure 5 As shown, in one embodiment of the present application, the input end of the LED lamp board is connected to the output end of the LED driving circuit, and is used to execute the control signal output by the LED driving circuit.

[0045] It can be understood that the input end of the LED light board is connected to the output end of the LED driving circuit, which is used to receive and execute the control signal of the LED driving circuit. The LED driving circuit is responsible for receiving the control signal of the WIFI circuit module and transmitting it to the LED circuit board to control the brightness, color and other parameters of the LED light board.

[0046] like Figure 5 As shown, in one embodiment of the present application, the LED lamp board packs multiple groups of parallel LED lamps, and are respectively connected to the output end of the LED driving circuit to achieve control of the multiple groups of LED lamps.

[0047] It can be understood that the LED light board is composed of multiple groups of parallel LED lights, and each group of LED lights is connected to the output end of the LED driving circuit. Through this connection method, the LED driving circuit can control multiple LED light groups at the same time to achieve control of the entire LED light board.

[0048] The embodiments described above are only some embodiments of the present application, rather than all embodiments. The preferred embodiments of the present application are given in the accompanying drawings, but they do not limit the patent scope of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the specification and drawings of this application, directly or indirectly used in other related technical fields, is also within the scope of patent protection of this application.

Claims

1. A dimming bulb, characterized in that: include: A phase detection circuit, wherein an input end of the phase detection circuit is electrically connected to a power supply, and an output end of the phase detection circuit is electrically connected to an LED lamp, so as to detect a power supply signal and generate a trigger signal; A WIFI module circuit, wherein the WIFI module input terminal receives the trigger signal, and the WIFI module circuit is electrically connected to the LED lamp, and is used to remotely adjust the brightness and color of the LED lamp; as well as An LED driving circuit, wherein an input end of the LED driving circuit is electrically connected to the phase detection circuit and the WIFI module circuit respectively, and an output end of the LED driving circuit is connected to an LED lamp; The phase-cut detection circuit comprises a signal amplifying unit, which is electrically connected to a power supply. An output end of the signal amplifying unit is connected to the WIFI module circuit, and is used to detect the size of a power supply signal and amplify the compared output signal.

2. The dimming bulb according to claim 1, characterized in that: The signal amplification unit comprises: An operational amplifier, wherein the input terminal of the operational amplifier is connected to a power supply and is used to analyze, compare and amplify a power supply signal; and A field effect transistor, wherein the input end of the field effect transistor is connected to the operational amplifier, and the output end of the field effect transistor is connected to the LED driving circuit, for further amplifying the power supply signal required to be output.

3. The dimming bulb according to claim 1, characterized in that: The WIFI module circuit includes: A receiving unit, the receiving unit is used to receive the wireless signal and the signal amplified by the signal amplifying unit; a processing unit, the processing unit processing the signal output by the receiving unit; and An output unit, wherein an input end of the output unit receives an output signal of the processing unit, and an output end of the output unit outputs a control signal to the LED driving circuit.

4. The dimming bulb according to claim 3, characterized in that: The processing unit adopts a WIFI chip, and the WIFI chip receives wireless signals and generates control signals to be transmitted to the LED driving circuit.

5. The dimming bulb according to claim 1, characterized in that: It also includes an LED light board, the input end of which is connected to the output end of the LED driving circuit and is used to execute the control signal output by the LED driving circuit.

6. The dimming bulb according to claim 5, characterized in that: The LED lamp panel packs multiple groups of parallel LED lamps, which are respectively connected to the output ends of the LED driving circuit to achieve control of the multiple groups of LED lamps.

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