CN111750284A

CN111750284A - Filament lamp light-emitting module and manufacturing method thereof

Info

Publication number: CN111750284A
Application number: CN202010626383.9A
Authority: CN
Inventors: 严钱军; 徐其立; 郑昭章
Original assignee: Hangzhou Hangke Optoelectronics Co Ltd
Current assignee: Hangzhou Hangke Optoelectronics Co Ltd
Priority date: 2020-05-22
Filing date: 2020-07-02
Publication date: 2020-10-09
Also published as: CN212430483U

Abstract

The invention discloses a filament lamp light-emitting module and a manufacturing method thereof, the filament lamp light-emitting module comprises a lamp holder, a filament and a core column, the lamp holder is used for connecting an external power supply, the filament is used for electrically connecting the external power supply, and the method comprises the following steps: at least two upper bridges having at least two bridge arms; at least three lower bridges having at least one bridge arm; the lower bridge comprises two rectifier bridges, and each rectifier bridge comprises a rectifier bridge arm; the lamp filament rectifying bridge comprises a lamp filament, and is characterized in that the rectifying bridge is connected with an external power supply, the rectifying bridge arms are respectively connected with one ends of two rectifying diodes, the other ends of the two rectifying diodes are respectively connected with different upper bridges for forming rectifying circuits, the lower bridge comprises a bridge arm connected with one end of the lamp filament, and the other end of the lamp filament is connected with an upper bridge arm for rectifying and supplying power to the lamp filament.

Description

Filament lamp light-emitting module and manufacturing method thereof

Technical Field

The invention relates to the field of illumination, in particular to a filament lamp light-emitting module and a manufacturing method thereof.

Background

The LED filament lamp has wide application as an energy-saving and environment-friendly lighting device. In the prior art, an LED filament lamp includes: the LED lamp comprises an LED filament, an AC-DC power supply and a lamp holder, wherein the lamp holder is connected with alternating commercial power, the AC-DC power supply is connected with the alternating commercial power and converts the alternating commercial power into direct current for the LED filament to emit light, but in the prior art, the traditional AC-DC power supply is high in cost, and a PCB (printed Circuit Board) of the AC-DC power supply is sintered and fixed in the lamp holder, so that the installation and maintenance of the filament lamp are not convenient, and the production and manufacturing of the filament lamp are also not convenient.

Disclosure of Invention

One of the main objects of the present invention is to provide a filament lamp light emitting module and a method for manufacturing the same, in which the filament lamp light emitting module does not need a driving power supply to drive light emission, and by providing at least two filaments and four rectifier diodes, ac power is converted into dc power, thereby reducing manufacturing cost.

Another objective of the present invention is to provide a filament lamp lighting module and a method for manufacturing the same, in which the filament lamp lighting module can directly realize extension of parallel filaments by increasing the number of bridge arms of an upper bridge and a lower bridge, and the upper bridge arm and the lower bridge arm are electrically connected to filaments.

Another main object of the present invention is to provide a filament lamp light-emitting module and a method for manufacturing the same, in which the filament lamp light-emitting module can directly increase the number of bridge groups of the upper bridge and the lower bridge, and the filament is electrically connected to different bridges to realize the extension of the series filament, and the extension of the filament can be realized by only designing the bridge groups and the bridge arms to complete the series-parallel connection structure of filaments in various forms, thereby reducing the design cost and the manufacturing cost of filament lamps in various light-emitting forms.

Another object of the present invention is to provide a filament lamp light-emitting module and a method for manufacturing the same, in which the filament lamp light-emitting module is connected by a bridge having a plurality of wires, so that the filament has better stability.

Another object of the present invention is to provide a filament lamp light-emitting module and a method for manufacturing the same, wherein the filament lamp light-emitting module has an upper bridge set and a lower bridge set, the filament lamp and the rectifier diode are electrically connected to the upper bridge set and the lower bridge set respectively through hard wires, and the upper bridge set and the lower bridge set are connected to a stem of the filament lamp light-emitting module, so that the assembly efficiency of the filament lamp light-emitting module can be improved directly by high-frequency direct current welding, and the filament lamp light-emitting module is convenient for automatic processing.

Another object of the present invention is to provide a filament lamp light emitting module and a method for manufacturing the same, in which the filament lamp is mounted inside a lamp cap without a PCB control board of a driving chip, thereby reducing the processing of the lamp cap and improving the service life of the lamp cap.

In order to achieve at least one of the above objects, the present invention further provides a filament lamp lighting module, which includes a lamp cap, a filament, and a stem, wherein the lamp cap is connected to the stem, the lamp cap is used for connecting to an external power source, and the filament is used for electrically connecting to the external power source, and the filament lamp lighting module includes:

at least two upper bridges having at least two bridge arms;

at least three lower bridges having at least one bridge arm;

the lower bridge comprises two rectifier bridges, and each rectifier bridge comprises a rectifier bridge arm; the lamp filament rectifying bridge comprises a lamp filament, and is characterized in that the rectifying bridge is connected with an external power supply, the rectifying bridge arms are respectively connected with one ends of two rectifying diodes, the other ends of the two rectifying diodes are respectively connected with different upper bridges for forming rectifying circuits, the lower bridge comprises a bridge arm connected with one end of the lamp filament, and the other end of the lamp filament is connected with an upper bridge arm for rectifying and supplying power to the lamp filament.

According to a preferred embodiment of the present invention, two bridge rectifier arms extend from the bridge rectifier, the two bridge rectifier arms are respectively connected to one end of two rectifier diodes, and the other ends of the two rectifier diodes are respectively connected to bridge arm of different upper bridge.

According to another preferred embodiment of the present invention, the upper bridge frame has a bridge frame body located on top of the core column, and the bridge frame arms are respectively located at two ends of the bridge frame body and have a bifurcated structure.

According to another preferred embodiment of the present invention, the top of the stem has a binding end, the middle of the bridge frame body is connected to the binding end, and the binding end is connected to a plurality of bridge frame bodies to relatively fix the plurality of bridge frame bodies to the top of the stem.

According to another preferred embodiment of the present invention, the lower bridge frame includes at least one node, the node is connected to a conducting wire extending from bottom to top, and the rectifying diode is connected to the conducting wire of the node.

According to another preferred embodiment of the invention, a constant current chip is arranged in the filament, and the constant current chip is electrically connected with a lead and used for outputting constant current to the filament.

According to another preferred embodiment of the present invention, the filament lamp light emitting module includes a filter capacitor, the filter capacitor is fixed above or below the upper bridge, two ports of the filter capacitor are respectively electrically connected to two different upper bridges, and the filter capacitor is connected to the discharge resistor.

According to another preferred embodiment of the present invention, the surface of the filter capacitor is coated with a reflective material.

According to another preferred embodiment of the present invention, a conducting wire is connected below the junction, the conducting wire is connected with the lamp cap and is connected with an external power supply, and a safety element is arranged on the conducting wire below the junction.

According to another preferred embodiment of the present invention, the lamp cap is connected to a stem, the stem has a pillar body and a base, the bridge rectifier has at least one node, and a conducting wire at the bottom of the node is connected to a conducting wire stub on the base and is connected to an external power line through a conducting wire.

According to another preferred embodiment of the present invention, the lamp head has an accommodating cavity therein, and the accommodating cavity has a dimming module therein, and the dimming module is connected to at least one of the WiFi module, the Zigbee module, and the bluetooth module, and is configured to adjust the light-emitting brightness and the light-emitting mode of the filament lamp light-emitting module.

According to another preferred embodiment of the present invention, the junction of the lower bridge extends to form at least one bridge arm for connecting a rectifying diode or a filament.

To achieve at least one of the above objects, the present invention further provides a filament lamp comprising:

a bulb shell;

the filament lamp light-emitting module;

the filament of the filament lamp light-emitting module is composed of LED light-emitting strips.

The invention further provides a manufacturing method of the filament lamp light-emitting module, which comprises the following steps:

providing a core column, wherein the core column binding end and the base are respectively and fixedly connected with a plurality of upper bridge frames and lower bridge frames, and the lower bridge frame comprises at least two rectifier bridge frames;

respectively and simultaneously spot-welding the lower end part and the upper end part of the rectifier diode on bridge frames of the rectifier bridge frame and the upper bridge frame at a preset angle;

and simultaneously spot-welding the lower end part and the upper end part of the filament to the bridge arms of the upper bridge and the lower bridge at another preset angle.

Drawings

FIG. 1 is a schematic diagram showing a connection structure of a bridge, a filament and a rectifying diode in a light-emitting module of a filament lamp according to the present invention;

FIG. 2 is a perspective view of a preferred embodiment of a light module of a filament lamp according to the present invention;

FIG. 3 is a schematic top view of a preferred embodiment of a filament lamp light module according to the present invention;

FIG. 4 is a circuit diagram of a preferred embodiment of a filament lamp light-emitting module according to the present invention;

FIG. 5 is a schematic perspective view of a filament lamp according to the present invention;

FIG. 6 is a schematic diagram of a filament arrangement according to the present invention;

FIG. 7 is a flow chart illustrating a method for manufacturing a light-emitting module of a filament lamp according to the present invention.

Wherein

The LED lamp comprises an upper bridge-10, a first upper bridge-11, a second upper bridge-12, a bridge body-13, a bridge arm-A, a lower bridge-20, a rectifying bridge-21, a rectifying bridge arm-210, a first rectifying bridge-211, a second rectifying bridge-212, a rectifying diode-22, a first lower bridge-23, a second lower bridge-24, a node-B, a lamp cap-30, a core column-31, a column 32, a binding end-321, a base-33, a first filament-41, a second filament-42, a third filament-43, a fourth filament-44, a filter capacitor-50, an external power line-60 and a bulb shell-70.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and thus the above terms are not to be construed as limiting the present invention.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 1, a schematic diagram of a connection structure of a bridge, a filament and a rectifying diode is shown, in this illustration, the bridge includes an upper bridge 10 and a lower bridge 20, where the upper bridge 10 includes a first upper bridge 11 and a second upper bridge 12, and the lower bridge 20 includes two rectifying bridges 21: the bridge structure comprises a first rectifying bridge frame 211 and a second rectifying bridge frame 212, wherein the first rectifying bridge frame 211 and the second rectifying bridge frame 212 respectively comprise two rectifying bridge frame arms 210, the two rectifying bridge frame arms 210 of the first rectifying bridge frame 211 are respectively connected with one end parts of two rectifying diodes 22, and the other end parts of the two rectifying diodes 22 are respectively connected with a first upper bridge frame 11 and a second upper bridge frame 12. Similarly, two bridge arms 210 of the second bridge rectifier 21 are respectively connected to one end of two rectifier diodes 22, and the other end of the two rectifier diodes 22 are respectively connected to the first upper bridge 11 and the second upper bridge 12, it should be mentioned that the two rectifier diodes 22 on the first bridge rectifier 211 are connected to the two bridge rectifier arms 210 in an opposite polarity, and the two rectifier diodes 22 on the second bridge rectifier 212 are connected to the two bridge rectifier arms 210 in an opposite polarity, respectively, wherein the bridge rectifier 21 is connected to the external power line 60, and the external power line 60 is connected to different bridge rectifier 21 from the lamp cap 30, so that a rectifier circuit is formed between the upper bridge 10 and the lower bridge 20. Therefore, the power supply drive of the filament lamp in the bulb can be realized through the rectifying circuit of the bridge, and the conversion from alternating current to direct current can be realized without further installation of other power supply drives, so that the manufacturing cost of the filament lamp can be greatly reduced.

It should be noted that, referring to fig. 1-3, the upper bridge 10 has a plurality of bridge arms a for connecting the ends of the rectifying diodes 22 and the ends of the filaments, and referring to fig. 1, the bridge arms a of each rectifying bridge 21 are in a V-shaped configuration, and the bridge arms a extend from the two ends of the upper bridge 10, so that the filaments and the rectifying diodes connected between the upper bridge arms and the lower bridge arms are relatively parallel to the core column 31. The upper bridge arm further includes a bridge frame body 13, and bridge frame arms a extend outwards from two ends of the bridge frame body 13 along the core column 31, in a preferred embodiment of the present invention, the number of the bridge frame arms a of the upper bridge frame 10 is four, and the bridge frame arms a are respectively arranged two by two at two ends of the bridge frame body 13, wherein the bridge frame arms a at the same end of each upper bridge frame 10 are in a V-shaped branched arrangement.

Further, referring to fig. 1 and fig. 2, the core column includes a column 32 and a base 33, the column 32 is connected to the middle of the top of the base 33, the top of the column 32 has a binding end 321, the binding end 321 is respectively connected to the bridge bodies 13 of the first upper bridge 11 and the second upper bridge 12, and the binding end 321 is an insulator for being relatively fixed to the upper bridge 10 and isolating different upper bridges 10. Wherein the top binding end 321 of the stem 31 is preferably implemented as a hemispherical or a polyhedron structure with slopes, and the different bridge bodies 13 are limited by the binding end 321 to move in a space, in another possible embodiment of the present invention, the binding end 321 is implemented as a hemispherical or polyhedron structure, and the bridge bodies achieve the isolation between the different upper bridges 10 by abutting different positions of the binding end 321 at the top of the stem 31. The number of the upper bridge frames 10 is preferably two, and each upper bridge frame 10 is provided with 4 bridge arm a. in other preferred embodiments of the present invention, the number of the upper bridge frames 10 can be set to an even number greater than 2, and the corresponding lower bridge frame 20 can be set to 3 or more than 3, and it will be understood by those skilled in the art that the number of the upper bridge frames 10 and the lower bridge frames 20 is not a limitation of the present invention for the purpose of the present invention.

The lower bridge 20 comprises a plurality of bridge arms a for supplying the filament, and with continued reference to a preferred embodiment shown in fig. 1, the lower bridge 20 comprises a first lower bridge 23 and a second lower bridge 24, each of the first lower bridge 23 and the second lower bridge 24 has a node B, the node B extends along the core column in an outward direction to form two bridge arms a, the two bridge arms a are in a V-shaped configuration, and each bridge arm a is connected to a filament for supplying the filament.

Specifically, the bridge arm a of the first lower bridge 23 is connected to one end of the filament, and the other end of the filament is connected to the bridge arm a of the first upper bridge 11 or the second upper bridge 12, for example, please refer to fig. 1, a first filament 41, a second filament 42, a third filament 43 and a fourth filament 44 are defined, wherein the lower ends of the first filament 41 and the third filament 43 are connected to two bridge arms a of the first lower bridge 23, the lower ends of the second filament 42 and the fourth filament 44 are connected to two bridge arms a of the second lower bridge 24, the upper end of the first filament 41 is connected to the bridge arm a of the first upper bridge 11, the upper end of the second filament 42 is connected to the bridge arm a of the first upper bridge 11, the upper end of the third filament 43 is connected to the bridge arm a of the second upper bridge 12, and the upper end of the fourth filament 44 is connected to the bridge arm a of the second upper bridge 12, thereby realizing a circuit configuration as in the circuit diagram of fig. 4. It should be noted that the bridge arms a of the first lower bridge 23 may be set to 2 or more, so as to form a plurality of filaments connected in series, and the lower bridge 20 may be set to at least 2, so as to form a plurality of filaments connected in series, so as to form a plurality of filaments connected in parallel, thereby providing a multi-string and multi-parallel circuit structure through the design of the upper bridge 10 and the lower bridge 20, so as to facilitate the model design of filament lamps with different luminous intensities.

In another preferred embodiment of the present invention, at least one constant current IC chip is disposed in each of the parallel branches for stabilizing the current of each branch to achieve stable light emission of the filament, and specifically, the constant current IC chip is preferably packaged in the filament lamp and is mounted on the branch circuit in a concealed manner by encapsulation, so that the structure of the filament lamp is more beautiful.

Further, the filament lamp light-emitting module further includes at least one filter capacitor 50, two connection ports of the filter capacitor 50 are electrically connected to the first upper bridge 11 and the second upper bridge 12, respectively, and the filter capacitor 50 is disposed on the top of the core column 31. In other alternative embodiments of the present invention, the filter capacitor 50 may be disposed at the bottom of the first upper bridge 11 and the second upper bridge 12, and the hidden installation of the filter capacitor 50 is realized by a surrounding design of surrounding multiple filaments, so as to improve the aesthetic effect of the design.

Referring to fig. 2 and 5, the filament lamp light-emitting module includes a stem 31 and a lamp cap 30, the lamp cap 30 is connected to the stem 31, the stem 31 has a base 33 made of a glass material with a raised annular shape, the glass base 33 is hollow and provided with two circuit channels, external positive and negative power lines are connected to the upper surface of the glass base 33 through the circuit channels of the glass base 33, the two rectifying bridge frame nodes B are provided with wires extending downward for connecting with an external power line 60, it should be noted that the wires extending downward from the rectifying bridge frame 21 can be directly connected with an external circuit by spot welding, the manufacturing process is simpler and more convenient, and the production efficiency of the filament lamp is greatly improved.

In another preferred embodiment of the present invention, please refer to fig. 1 and fig. 6, at least one fuse element may be disposed on the wire extending downward from the junction B of the bridge rectifier, and the fuse element includes, but is not limited to, a fuse resistor and a fuse. And is used for preventing the constant current IC chip and the rectifier diode 22 in the bulb from being damaged by overvoltage and overcurrent. In addition, the outer surfaces of the rectifier diode and the filter 50 are coated with reflective materials, which include, but are not limited to, aluminum films and laser films.

In order to achieve the aesthetic appearance of the filament lamp light-emitting module of the present invention, in another preferred embodiment of the present invention, the rectifying diodes 22 are disposed on two rectifying bridge arms 210 of the rectifying bridge frame 21, and by setting the lengths of the rectifying bridge arms 210 to be smaller than the length of the bridge arm a of the lower bridge frame 20 connected to the filament, by setting the position of the lower bridge frame 20 and the connection position of the filament, the hidden mounting of the rectifying diodes 22 in the inner cavity formed by the filament winding can be achieved.

Referring to fig. 5, since the base 30 has no PCB and no driving circuit, the processing of the base 30 can be reduced, and the defective rate of the base 30 can be reduced. In addition, in other possible embodiments, the lamp head 30 has a larger space therein, and an associated dimming module and a control chip, such as a WiFi module, may be added for controlling the on/off or lighting mode of the filament lamp by a mobile phone or a computer, so as to achieve more functions in the same space volume.

It should be noted that, referring to fig. 7, the manufacturing process of the light emitting module is similar to that of an incandescent lamp, and the filament and the rectifier diode 22 are spot-welded to the bridge arms a of the upper bridge 10 and the lower bridge 20, so that the manufacturing process is simple and efficient, and the mass production with high efficiency and low cost can be realized.

The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

It will be understood by those skilled in the art that the embodiments of the present invention described above and illustrated in the drawings are given by way of example only and not by way of limitation, the objects of the invention having been fully and effectively achieved, the functional and structural principles of the present invention having been shown and described in the embodiments, and that various changes or modifications may be made in the embodiments of the present invention without departing from such principles.

Claims

1. The utility model provides a luminous module of filament lamp, luminous module of filament lamp includes lamp holder, filament, stem, the lamp holder is connected the stem, lamp holder are used for inserting external power source, and the filament is used for the electricity to connect external power source, and its characterized in that includes:

at least two upper bridges having at least two bridge arms;

at least three lower bridges having at least one bridge arm;

2. The filament lamp lighting module of claim 1, wherein two rectifier bridge arms extend from the rectifier bridge, the two rectifier bridge arms are respectively connected to one ends of two rectifier diodes, and the other ends of the two rectifier diodes are respectively connected to bridge arms of different upper bridges.

3. The filament lamp lighting module of claim 1, wherein the upper bridge frame has bridge frame bodies on top of the core, and the bridge frame arms are disposed at two ends of the bridge frame bodies and have a bifurcated structure.

4. The filament lamp lighting module of claim 3, wherein the top of the stem has a binding end, the middle of the bridge body is connected to the binding end, and the binding end is connected to a plurality of bridge bodies to relatively fix the plurality of bridge bodies to the top of the stem.

5. The filament lamp lighting module of claim 1, wherein the lower bridge includes at least one junction, the junction is connected to a wire extending from bottom to top, and the rectifying diode is connected to the wire of the junction.

6. The light emitting module of the filament lamp according to claim 1, wherein a constant current chip is disposed inside the filament, and the constant current chip is electrically connected to a lead for outputting a constant current to the filament.

7. The filament lamp lighting module of claim 5, wherein the filament lamp lighting module comprises a filter capacitor, the filter capacitor is fixed above or below the upper bridge, two ports of the filter capacitor are electrically connected to two different upper bridges, respectively, and the filter capacitor is connected to a discharge resistor.

8. The filament lamp lighting module of claim 7, wherein said filter capacitor is coated with a reflective material.

9. The light emitting module of claim 5, wherein a wire is connected to the lower portion of the junction, the wire is connected to the lamp holder and connected to an external power source, and a fuse element is disposed on the wire below the junction.

10. The light module as claimed in claim 5, wherein the base is connected to a stem, the stem has a post and a base, the bridge has at least one junction, and the wires at the bottom of the junction are connected to the wire terminals on the base and connected to an external power line through wires.

11. The filament lamp lighting module according to claim 10, wherein the lamp holder has a receiving cavity therein, and a dimming module is disposed in the receiving cavity, and the dimming module is connected to at least one of a WiFi module, a Zigbee module, and a bluetooth module, and is configured to adjust a lighting brightness and a lighting mode of the filament lamp lighting module.

12. A filament lamp, comprising:

a bulb shell;

the filament lamp lighting module of any one of claims 1-11;

13. A method for manufacturing a light-emitting module of a filament lamp is characterized by comprising the following steps: