CN220770848U

CN220770848U - Novel LED filament light source module and lamp

Info

Publication number: CN220770848U
Application number: CN202420238546.XU
Authority: CN
Inventors: 林广鹏
Original assignee: Zhongshan Chengyuan Photoelectric Technology Co ltd
Current assignee: Zhongshan Chengyuan Photoelectric Technology Co ltd
Priority date: 2024-01-31
Filing date: 2024-01-31
Publication date: 2024-04-12
Anticipated expiration: 2034-01-31

Abstract

The utility model discloses a novel LED filament light source module and a lamp, wherein the filament light source module comprises a glass fiber plate, the glass fiber plate is divided into a light source part and a power source part, a power source module is arranged on the power source part of the glass fiber plate, the light source part of the glass fiber plate is provided with a light source module consisting of a plurality of LED chips, the power source module is connected with the light source module, the light source part of the glass fiber plate is also provided with a fluorescent powder medium layer, and the fluorescent powder medium layer covers each LED chip. According to the technical scheme, the glass fiber plate is divided into the power supply part and the light source part, the power supply module is arranged on the power supply part of the glass fiber plate, each LED chip is arranged on the light source part of the glass fiber plate, the light source module and the power supply module are assembled together, the filament light source module is conveniently arranged inside the filament lamp, and the fluorescent powder medium layer is arranged on the light source part of the glass fiber plate, so that the luminous effect of the LED filament light source module is consistent with that of a traditional LED filament.

Description

Novel LED filament light source module and lamp

Technical Field

The utility model relates to the technical field of LED illumination, in particular to a novel LED filament light source module and a lamp.

Background

The existing LED lamp is mainly assembled by the LED light source, the power supply, the radiator shell and other devices, and based on the structure, the existing LED lamp is complex in assembly process. In order to simplify the lamp installation procedure and improve the production efficiency, technicians improve the structure of the LED lamp, and set electronic elements on a power supply of the LED lamp on an LED light source plate, so that occupied space can be greatly saved by the improvement, and the production assembly efficiency of the LED lamp is improved. However, the above scheme is more suitable for spherical LED lamps and is difficult to be used for filament type LED lamps and lanterns, and the main reason is that the lamp post that current filament type LED lamps and lanterns need be made by utilizing glass material as the part that supports the LED filament, and in order to improve the radiating effect of LED filament and improve life, need fill nitrogen gas into the glass bulb shell as the heat conduction medium of LED filament in addition, lead to being difficult to be in the same place with the equipment of power with the LED filament.

Disclosure of Invention

In order to solve one or more of the above technical problems, an object of the present utility model is to provide a novel LED filament light source module and a lamp.

The utility model adopts the technical scheme that:

the utility model provides a novel LED filament light source module, is including being banding glass fiber board, the glass fiber board is divided into light source portion and power supply portion, the width of power supply portion is greater than the width of light source portion on the glass fiber board, be provided with first power pad, second power pad and a plurality of electronic component on the power supply portion of glass fiber board, be provided with a plurality of LED chips on the light source portion of glass fiber board, each electronic component each LED chip first power pad and second power pad all set up the same face of glass fiber board, each electronic component constitutes power module, each LED chip constitutes light source module, first power pad with second power pad respectively with power module links to each other, power module with light source module links to each other, the light source portion of glass fiber board still is provided with the fluorescent powder dielectric layer, the fluorescent powder dielectric layer covers each LED chip, the fluorescent powder dielectric layer sets up possess on the glass fiber board one side of LED chip or set up the both sides of glass fiber board.

As a further improvement of the technical scheme, the connecting line direction of the positive electrode and the negative electrode of each LED chip is consistent with the extending direction of the glass fiber board.

As a further improvement of the technical scheme, the glass fiber plate is a light-transmitting glass fiber plate, and the light transmittance of the glass fiber plate is 20-95%.

As a further improvement of the above technical solution, each of the LED chips is a flip-chip LED chip.

As a further improvement of the technical scheme, the power supply module comprises a voltage reduction unit, a rectifying unit, a filtering voltage stabilizing unit and a control unit, wherein the first power supply pad is connected with the voltage reduction unit, the voltage reduction unit is connected with the rectifying unit, the rectifying unit is respectively connected with the second power supply pad and the filtering voltage stabilizing unit, the filtering voltage stabilizing unit is connected with the control unit, and the control unit is connected with the light source module.

As a further improvement of the above technical solution, the voltage reducing unit includes a resistor R1 and a capacitor C1, where one end of the resistor R1 is connected to the first power supply pad, the other end of the resistor R1 is connected to the rectifying unit, and the capacitor C1 is connected in parallel with the resistor R1.

As a further improvement of the technical scheme, the filtering voltage stabilizing unit comprises a capacitor C2, a capacitor C3, a resistor R2, a resistor R3 and a voltage stabilizing tube D1, wherein one end of the capacitor C2 is connected with the rectifying unit and is connected with the negative electrode of the voltage stabilizing tube D1 through the resistor R3, the other end of the capacitor C2 is connected with the ground end, the resistor R2 is connected with the capacitor C2 in parallel, the positive electrode of the voltage stabilizing tube D1 is connected with the ground end, the capacitor C3 is connected with the voltage stabilizing tube D1 in parallel, and the negative electrode of the voltage stabilizing tube D1 is connected with the control unit.

As a further improvement of the technical scheme, the control unit comprises a first control chip, the first control chip is provided with a power end and a plurality of control ends, each control end of the first control chip is connected with the negative electrode of each LED chip in one-to-one correspondence, the positive electrode of each LED chip is connected with the rectifying unit, and the power end of the first control chip is connected with the filtering voltage stabilizing unit.

In another embodiment of the control unit, the control unit includes a second control chip, the second control chip is configured with a power end and a plurality of control ends, a plurality of the LED chips are divided into a red LED chip, a green LED chip and a blue LED chip, each of the red LED chip, each of the green LED chip and each of the blue LED chip respectively form three light source branches, each control end of the second control chip is connected with a cathode of each light source branch, an anode of each light source branch is connected with the rectifying unit, and a power end of the second control chip is connected with the filtering voltage stabilizing unit.

The utility model also discloses a lamp, which comprises a bulb shell, a guide plastic part, a lamp holder and the LED filament light source module, wherein the lamp holder is arranged at the bottom of the bulb shell, the guide plastic part and the LED filament light source module are both arranged in a space formed by the bulb shell and the lamp holder, the bottom end of the LED filament light source module is inserted into the guide plastic part, and the LED filament light source module is electrically connected with the lamp holder.

The beneficial effects of the utility model are as follows: the design is to divide the strip-shaped glass fiber board into a power supply part and a light source part, each electronic element forming a power supply module is arranged on the power supply part of the glass fiber board, each LED chip forming the light source module is arranged on the light source part of the glass fiber board, the design is to assemble the light source module and the power supply module together, so that the LED filament light source module is conveniently arranged in the LED filament lamp, and a fluorescent powder medium layer is arranged on the light source part of the glass fiber board and covers each LED chip, so that the luminous effect of the LED filament light source module is consistent with that of a traditional LED filament.

Drawings

The utility model is further illustrated by the following description and examples of the embodiments in conjunction with the accompanying drawings.

FIG. 1 is a circuit diagram of a first embodiment of an LED filament light source module according to the present utility model;

FIG. 2 is a wiring diagram of a first embodiment of an LED filament light source module according to the present utility model;

FIG. 3 is a circuit diagram of a second embodiment of an LED filament light source module according to the present utility model;

fig. 4 is a wiring diagram of a second embodiment of the LED filament light source module of the present utility model.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 and 2, the application discloses a novel LED filament light source module, a first embodiment of the novel LED filament light source module comprises a strip-shaped glass fiber board 100, the glass fiber board 100 is divided into a light source part 110 and a power supply part 120, the width of the power supply part 120 on the glass fiber board 100 is larger than that of the light source part 110, a first power supply pad, a second power supply pad and a plurality of electronic elements are arranged on the power supply part 120 of the glass fiber board 100, a plurality of LED chips 600 are arranged on the light source part 110 of the glass fiber board 100, each electronic element, each LED chip 600, the first power supply pad and the second power supply pad are all arranged on the same surface of the glass fiber board 100, each electronic element forms a power supply module, each LED chip 600 forms a light source module, the first power supply pad and the second power supply pad are respectively connected with the power supply module, a fluorescent powder medium layer is further arranged on the light source part 110 of the glass fiber board 100, each fluorescent powder medium layer is covered on the fluorescent powder medium layer of the glass fiber board 600, and the fluorescent powder medium layer is arranged on one surface of the glass fiber board 100.

In practical applications, the first power supply pad and the second power supply pad in this embodiment may be set independently, or may be set by using a pad of an electronic component, that is, the pad of the electronic component is used as the first power supply pad and the second power supply pad. In addition, in practical application, a technician can select to utilize the wire to realize the electric connection of the lamp holder and the first power supply pad and the second power supply pad, and can also select to utilize the pin of the electronic element to realize the electric connection of the lamp holder and the first power supply pad and the second power supply pad.

Specifically, in this embodiment, the glass fiber board 100 in a strip shape is divided into the power supply portion 120 and the light source portion 110, each electronic component forming the power supply module is disposed on the power supply portion 120 of the glass fiber board 100, each LED chip 600 forming the light source module is disposed on the light source portion 110 of the glass fiber board 100, the light source module and the power supply module are assembled together, so that the LED filament light source module is disposed inside the LED filament lamp, and the phosphor medium layer is disposed on the light source portion 110 of the glass fiber board 100 and covers each LED chip 600, so that the light emitting effect of the LED filament light source module is consistent with that of a conventional LED filament.

Further, in this embodiment, the connection direction of the positive electrode and the negative electrode of each LED chip 600 is identical to the extending direction of the glass fiber board 100. The design of the embodiment is convenient for related personnel to carry out wiring, and the wiring difficulty is effectively reduced.

Further, in this embodiment, the glass fiber board 100 is a light-transmitting glass fiber board, and the light transmittance of the glass fiber board 100 is 20% to 95%. In this embodiment, the light-transmitting glass fiber board is used as the carrier of the LED chip 600, so that the light emitted by the LED chip 600 is transmitted through the back of the board, and the light-emitting effect of the filament light source module is improved. The light-transmitting glass fiber board in the prior art is a board made of glass fibers as a main material, and means for manufacturing the light-transmitting glass fiber board in the embodiment by using the existing material, wherein the light transmittance is 20% to 95% belongs to the prior art, and a person skilled in the art can manufacture the light-transmitting glass fiber board in the embodiment by using the existing material according to the prior art.

Further, in this embodiment, each of the LED chips 600 is a flip-chip LED chip.

Further, in this embodiment, the power module includes a voltage reducing unit 200, a rectifying unit 300, a filtering voltage stabilizing unit 400, and a control unit 500, where the first power pad is connected to the voltage reducing unit 200, the voltage reducing unit 200 is connected to the rectifying unit 300, the rectifying unit 300 is respectively connected to the second power pad and the filtering voltage stabilizing unit 400, the filtering voltage stabilizing unit 400 is connected to the control unit 500, and the control unit 500 is connected to the light source module.

Further, in this embodiment, the voltage reducing unit 200 includes a resistor R1 and a capacitor C1, one end of the resistor R1 is connected to the first power supply pad, the other end of the resistor R1 is connected to the rectifying unit 300, and the capacitor C1 is connected in parallel with the resistor R1. In this embodiment, the resistor R1 and the capacitor C1 form a resistor-capacitor voltage-reducing circuit, and the ac mains supply is reduced by the voltage-reducing unit 200 and then is supplied to the control unit 500 by generating low-voltage dc by the rectifying unit 300 and the filtering voltage-stabilizing unit 400.

Further as a preferred embodiment, in this embodiment, the filtering voltage stabilizing unit 400 includes a capacitor C2, a capacitor C3, a resistor R2, a resistor R3, and a voltage stabilizing tube D1, where one end of the capacitor C2 is connected to the rectifying unit 300, and is connected to the negative electrode of the voltage stabilizing tube D1 through the resistor R3, the other end of the capacitor C2 is connected to the ground, the resistor R2 is connected to the capacitor C2 in parallel, the positive electrode of the voltage stabilizing tube D1 is connected to the ground, the capacitor C3 is connected to the voltage stabilizing tube D1 in parallel, and the negative electrode of the voltage stabilizing tube D1 is connected to the control unit 500.

Further, in this embodiment, the control unit 500 includes a first control chip, where a power supply end and a plurality of control ends are configured on the first control chip, each control end of the first control chip is connected to a negative electrode of each LED chip 600 in a one-to-one correspondence manner, a positive electrode of each LED chip 600 is connected to the rectifying unit 300, and a power supply end of the first control chip is connected to the filtering voltage stabilizing unit 400. In this embodiment, each control end of the first control chip controls one LED chip 600, and the first control chip is configured to implement functions such as meteor display, flame display, burst display, or normal-brightness display of each LED chip 600.

Referring to fig. 3 and fig. 4, compared with the first embodiment, the second embodiment of the novel LED filament light source module of the present application is different in that, in this embodiment, the control unit 500 includes a second control chip, the second control chip is configured with a power end and a plurality of control ends, a plurality of LED chips 600 are divided into a red LED chip, a green LED chip and a blue LED chip, each red LED chip, each green LED chip and each blue LED chip respectively form three light source branches, each control end of the second control chip is connected with a cathode of each light source branch, an anode of each light source branch is connected with the rectifying unit 300, and a power end of the second control chip is connected with the filtering voltage stabilizing unit 400. The second control chip in this embodiment is configured to control each of the red LED chip, the green LED chip, and the blue LED chip to achieve a corresponding display effect. In addition, in practical application, a current limiting resistor with a certain resistance value is required to be connected in series on a light source branch consisting of the red light LED chips according to specific conditions so as to prevent the light source branch from being excessively influenced by the current of the light source branch.

The application also discloses a lamps and lanterns simultaneously, its first embodiment, including bulb, direction working of plastics, lamp holder and above the first embodiment or the second embodiment of LED filament light source module, the lamp holder is located the bottom of bulb, direction working of plastics and LED filament light source module all are arranged in the bulb with in the space that the lamp holder constitutes, the bottom of LED filament light source module inserts in the direction working of plastics, LED filament light source module with the lamp holder electricity is connected.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. Novel LED filament light source module, its characterized in that: the fluorescent lamp comprises a strip-shaped glass fiber board (100), wherein the glass fiber board (100) is divided into a light source part (110) and a power supply part (120), the width of the power supply part (120) on the glass fiber board (100) is larger than that of the light source part (110), a first power supply pad, a second power supply pad and a plurality of electronic elements are arranged on the power supply part (120) of the glass fiber board (100), a plurality of LED chips (600) are arranged on the light source part (110) of the glass fiber board (100), the electronic elements, the LED chips (600), the first power supply pads and the second power supply pads are all arranged on the same surface of the glass fiber board (100), the electronic elements form a power supply module, the LED chips (600) form a light source module, the first power supply pads and the second power supply pads are respectively connected with the power supply module, the power supply module is connected with the light source module, the light source part (110) of the glass fiber board (100) is further provided with fluorescent powder layers (600) and the fluorescent powder layers are covered by the fluorescent powder layers;

the power module comprises a voltage reduction unit (200), a rectifying unit (300), a filtering voltage stabilizing unit (400) and a control unit (500), wherein a first power supply pad is connected with the voltage reduction unit (200), the voltage reduction unit (200) is connected with the rectifying unit (300), the rectifying unit (300) is respectively connected with a second power supply pad and the filtering voltage stabilizing unit (400), the filtering voltage stabilizing unit (400) is connected with the control unit (500), and the control unit (500) is connected with the light source module.

2. The novel LED filament light source module of claim 1, wherein: the connection line direction of the positive electrode and the negative electrode of each LED chip (600) is consistent with the extending direction of the glass fiber plate (100).

3. The novel LED filament light source module of claim 1, wherein: the glass fiber board (100) is a light-transmitting glass fiber board, and the light transmittance of the glass fiber board (100) is 20-95%.

4. The novel LED filament light source module of claim 1, wherein: each of the LED chips (600) is a flip-chip LED chip.

5. The novel LED filament light source module of claim 1, wherein: the voltage reduction unit (200) comprises a resistor R1 and a capacitor C1, one end of the resistor R1 is connected with the first power supply pad, the other end of the resistor R1 is connected with the rectifying unit (300), and the capacitor C1 is connected with the resistor R1 in parallel.

6. The novel LED filament light source module of claim 5, wherein: the filtering voltage stabilizing unit (400) comprises a capacitor C2, a capacitor C3, a resistor R2, a resistor R3 and a voltage stabilizing tube D1, one end of the capacitor C2 is connected with the rectifying unit (300), the capacitor C3 is connected with the negative electrode of the voltage stabilizing tube D1 through the resistor R3, the other end of the capacitor C2 is connected with the ground end, the resistor R2 is connected with the capacitor C2 in parallel, the positive electrode of the voltage stabilizing tube D1 is connected with the ground end, the capacitor C3 is connected with the voltage stabilizing tube D1 in parallel, and the negative electrode of the voltage stabilizing tube D1 is connected with the control unit (500).

7. The novel LED filament light source module of claim 1, wherein: the control unit (500) comprises a first control chip, the first control chip is provided with a power end and a plurality of control ends, each control end of the first control chip is connected with the negative electrode of each LED chip (600) in a one-to-one correspondence manner, the positive electrode of each LED chip (600) is connected with the rectifying unit (300), and the power end of the first control chip is connected with the filtering voltage stabilizing unit (400).

8. The novel LED filament light source module of claim 1, wherein: the control unit (500) comprises a second control chip, the second control chip is provided with a power end and a plurality of control ends, the LED chips (600) are divided into red LED chips, green LED chips and blue LED chips, the red LED chips, the green LED chips and the blue LED chips respectively form three light source branches, the control ends of the second control chip are connected with the cathodes of the light source branches, the anodes of the light source branches are connected with the rectifying unit (300), and the power end of the second control chip is connected with the filtering voltage stabilizing unit (400).

9. A lamp, characterized in that: the LED lamp filament light source module comprises a bulb shell, a guide plastic part, a lamp cap and the LED lamp filament light source module according to any one of claims 1 to 8, wherein the lamp cap is arranged at the bottom of the bulb shell, the guide plastic part and the LED lamp filament light source module are arranged in a space formed by the bulb shell and the lamp cap, the bottom end of the LED lamp filament light source module is inserted into the guide plastic part, and the LED lamp filament light source module is electrically connected with the lamp cap.