CN216896855U

CN216896855U - Novel non-driven LED filament lamp

Info

Publication number: CN216896855U
Application number: CN202122917132.9U
Authority: CN
Inventors: 罗肆; 张迪
Original assignee: Zhejiang kaiyao Lighting Co Ltd
Current assignee: Zhejiang kaiyao Lighting Co Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-07-05
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a novel non-driving LED filament lamp, which comprises a bulb shell and a lamp holder connected with the bottom of the bulb shell, wherein a core column connected with the lamp holder is arranged inside the bulb shell, a plurality of filaments are arranged around the core column, and a current conversion device is arranged on the core column. According to the technical scheme, the bridge rectifier, the electrolytic capacitor and the fuse are matched, so that the input alternating current is converted into direct current after passing through, the direct current replaces an integrated driving module to save an integrated driving module assembly process, the same function is realized through the matching of electronic components, the working efficiency is improved on the premise that the service life of the whole lamp is not influenced, and the production cost is reduced.

Description

Novel non-driven LED filament lamp

Technical Field

The utility model relates to the technical field of LED lamps, in particular to a novel non-driving LED filament lamp.

Background

The LED light source is a green, energy-saving, power-saving, and long-life fourth-generation lighting fixture, and has been rapidly developed after receiving attention and being vigorous in the fire. The current LED light source is a semiconductor device which works at low voltage and large current, and proper direct current must be provided for normal light emission. The technology of driving the LED light source to emit light by direct current is more and more mature, because the power supply used by daily illumination is high-voltage alternating current (AC 100-220V), a voltage reduction technology is needed to obtain lower voltage, a transformer or a switching power supply is commonly used for reducing voltage, then the alternating current is converted into direct current, and then the direct current is converted into a direct current constant current source, so that the LED light source can be promoted to emit light. Therefore, a certain space is inevitably required to accommodate the driving module in the LED lamp in the prior art, so that the LED lamp with the driver is generally complex in structure and relatively high in manufacturing cost.

Data show that the LED filament lamps in the market generally have an integrated driving module, and although there is a great progress in adjusting power consumption, luminous flux, and color temperature compared with the previous generation energy saving lamps, tungsten filament lamps, and incandescent lamps, a complete integrated driving module is also needed.

Chinese patent document CN107671414A discloses a non-driving LED bulb lamp. The high-voltage lamp adopts a positive wiring end and a negative wiring end, leads out a wiring from the positive wiring end, is sequentially connected with a cement resistor and a high-voltage lamp bead light source, and then is connected with the negative wiring end. The technical scheme does not improve the bulb, and the replacement of the integrated driving module is difficult to effectively realize.

Disclosure of Invention

The utility model mainly solves the technical problem that the prior technical scheme needs to assemble an integrated driving module to realize normal work, provides a novel non-driving LED filament lamp, and provides the novel non-driving LED filament lamp.

The technical problem of the utility model is mainly solved by the following technical scheme: the bulb comprises a bulb shell and a lamp holder connected with the bottom of the bulb shell, wherein a core column connected with the lamp holder is arranged inside the bulb shell, a plurality of lamp filaments are arranged around the core column, and a current conversion device is arranged on the core column. The bottom of the lamp holder is a lamp holder fire wire end, the joint of the lamp holder and the bulb shell is a lamp holder zero wire end, the core column is used for arranging a circuit structure and a lamp filament, and the current conversion device is used for realizing conversion from alternating current to direct current, filtering current and optimizing anti-surge.

Preferably, the current conversion device comprises a sorting bridge stack DB1 and an electrolysis assembly which are sequentially connected, wherein the sorting bridge stack DB1 is connected with an alternating current input end, and the filtering electrolysis is connected with the positive electrode and the negative electrode of a filament. The current conversion device can be packaged into a module combination, so that the assembly is simpler and quicker, and the production efficiency is higher.

Preferably, pin 1 of the sorting bridge stack DB1 is connected with a live wire of an alternating current input end, pin 2 is connected with one end of an electrolytic component, pin 3 is connected with a zero wire of the alternating current input end, and pin 4 is connected with the other end of the electrolytic component. The rectifier bridge DB1 is used to rectify alternating current into direct current.

Preferably, the electrolytic assembly comprises a filtering electrolysis C1, one end of the filtering electrolysis C1 is connected with the positive electrode of the filament and is simultaneously connected with a pin 1 of the sorting bridge stack DB1, the other end of the filtering electrolysis C1 is connected with the negative electrode of the filament and is simultaneously connected with a pin 4 of the sorting bridge stack DB1, and a discharge resistor R1 is arranged between the other end of the filtering electrolysis C1 and a pin 2 of the sorting bridge stack DB 1. The filter capacitor C1 is used for filtering ripples, and the discharge resistor R1 is used for preventing slow-down when the lamp is turned off.

Preferably, both ends of the filtering electrolysis C1 are connected in parallel with a piezoresistor RV, and a constant current device D is arranged between the other end of the filtering electrolysis C1 and the negative electrode of the filament. The piezoresistor RV is used for preventing the surge from damaging the device, and the constant current device D is used for providing constant current for LED lamp pearl.

Preferably, a voltage dependent resistor RV is arranged between the pin 1 of the sorting bridge stack DB1 and the pin 3 of the sorting bridge stack DB1, and a constant current device D is arranged between the other end of the filtering electrolysis C1 and the negative electrode of the filament.

Preferably, both ends of the filtering electrolysis C1 are connected in parallel with a piezoresistor RV, and a constant current device D is sequentially arranged between the positive electrode and the negative electrode of the filament.

Preferably, a voltage dependent resistor RV is arranged between the pin 1 of the sorting bridge stack DB1 and the pin 3 of the sorting bridge stack DB1, and a constant current device D is sequentially arranged between the positive electrode and the negative electrode of the filament.

Preferably, an FR safety resistor is arranged between the pin 1 of the trimming bridge stack DB1 and the live wire of the alternating current input terminal. The FR fuse resistor functions as a protection circuit, i.e., a fuse, when an abnormality occurs in the circuit.

The utility model has the beneficial effects that: through the cooperation of components and parts such as bridge rectifier, electrolysis, fuse, make the alternating current of input convert the direct current after through, replace the drive module that integrates in order to save the drive module assembly process that integrates, realize same function through the cooperation of electronic components, improved work efficiency under the not influenced prerequisite of whole lamp life-span certainly, reduced manufacturing cost.

Drawings

Fig. 1 is a schematic view of a non-encapsulated bulb according to the present invention.

Fig. 2 is a schematic view of a structure of a packaged bulb according to the present invention.

Fig. 3 is a circuit diagram of a rear voltage-dependent internal constant current driving circuit according to the present invention.

Fig. 4 is a circuit diagram of a front voltage-dependent internal constant current driving circuit according to the present invention.

Fig. 5 is a circuit diagram of a rear voltage-dependent external constant current driving circuit according to the present invention.

Fig. 6 is a circuit diagram of a front voltage-dependent external constant current driving circuit according to the present invention.

In the figure, a bulb shell 1, a lamp holder fire wire end 2, a lamp holder zero wire end 3, a core column 4, a filament 5, a fuse 6, a bridge rectifier DB17, an electrolytic component 8 and an electronic component 9 are packaged.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.

Example (b): the novel non-driving LED filament lamp of this embodiment, as shown in FIG. 1, includes bulb shell 1 and the lamp holder of connecting bulb shell 1 bottom, the inside stem 4 that links to each other with the lamp holder that is equipped with of bulb shell 1, stem 4 encircles all around and is equipped with a plurality of filaments 5, be equipped with the current conversion device on the stem 4. The bottom of the lamp holder is a lamp holder fire wire end 2, the joint of the lamp holder and the bulb shell is a lamp holder zero wire end 3, the core column is used for arranging a circuit structure and a lamp filament, and the current conversion device is used for realizing conversion from alternating current to direct current, filtering the current and optimizing anti-surge.

The current conversion device comprises a sorting bridge pile DB17 and an electrolytic assembly 8 which are sequentially connected, wherein the sorting bridge pile DB17 is connected with an alternating current input end, and the filtering electrolysis 8 is connected with the positive electrode and the negative electrode of the filament 5. Pin 1 of the sorting bridge pile DB1 is connected with a live wire of an alternating current input end, pin 2 is connected with one end of an electrolytic component 8, pin 3 is connected with a zero wire of the alternating current input end, and pin 4 is connected with the other end of the electrolytic component 8. The rectifier bridge DB1 is used to rectify alternating current into direct current. And an FR safety resistor is arranged between the pin 1 of the sorting bridge stack DB1 and the live wire of the alternating current input end. The FR fuse resistor functions as a protection circuit, i.e., fuse 6, when an abnormality occurs in the circuit. As shown in fig. 2, the current conversion device can be packaged into a module combination, so that the assembly is simpler and quicker, and the production efficiency is higher.

The electrolytic component 8 comprises a filtering electrolysis C1, one end of the filtering electrolysis C1 is connected with a lead pin 1 of the sorting bridge pile DB1 while being connected with the positive electrode of the filament 5, the other end of the filtering electrolysis C1 is connected with a lead pin 4 of the sorting bridge pile DB1 while being connected with the negative electrode of the filament 5, and a discharge resistor R1 is arranged between the other end of the filtering electrolysis C1 and the lead pin 2 of the sorting bridge pile DB 1. The filter capacitor C1 is used for filtering ripples, and the discharge resistor R1 is used for preventing slow-down when the lamp is turned off. And two ends of the filtering electrolysis C1 are connected in parallel with a piezoresistor RV, and a constant current device D is arranged between the other end of the filtering electrolysis C1 and the cathode of the filament 5. The piezoresistor RV is used for preventing the surge from damaging the device, and the constant current device D is used for providing constant current for LED lamp pearl.

In the circuit parallel scheme 1, as shown in fig. 4, a voltage dependent resistor RV is arranged between a pin 1 of the sorting bridge stack DB1 and a pin 3 of the sorting bridge stack DB1, and a constant current device D is arranged between the other end of the filtering electrolysis C1 and the negative electrode of the filament 5.

In the circuit parallel scheme 2, as shown in fig. 5, both ends of the filtering electrolysis C1 are connected in parallel with a voltage dependent resistor RV, and a constant current device D is sequentially arranged between the anode and the cathode of the filament 5. The constant current device D is separated from other integrated circuit components, so that later-stage replacement is facilitated.

In the circuit parallel scheme 3, as shown in fig. 6, a voltage dependent resistor RV is arranged between a pin 1 of the sorting bridge stack DB1 and a pin 3 of the sorting bridge stack DB1, and a constant current device D is sequentially arranged between the positive electrode and the negative electrode of the filament 5.

During operation, alternating current is input from the lamp holder, and through the current conversion device arranged on the core column 4, the alternating current is converted into direct current through the elements such as the sorting bridge stack DB17, the electrolytic component 8, the piezoresistor RV and the constant current device D, filtering and anti-surge optimization are carried out on the current, and then the filament is lightened through output. The bridge rectifier DB17, the electrolytic component 8, the piezoresistor RV, the constant current device D and other components can be packaged into a module combination, so that the assembly is simpler and quicker, and the production efficiency is higher.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms current conversion device, trim bridge, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a novel no drive LED filament lamp, its characterized in that, includes bulb shell (1) and connects the lamp holder of bulb shell (1) bottom, inside stem (4) that link to each other with the lamp holder that are equipped with of bulb shell (1), stem (4) are encircleed all around and are equipped with a plurality of filaments (5), be equipped with the current conversion device on stem (4).

2. The novel driverless LED filament lamp of claim 1, wherein the current conversion device comprises a trimming bridge DB1(7) and an electrolysis assembly (8) which are connected in sequence, the trimming bridge DB1(7) is connected with an alternating current input end, and the electrolysis assembly (8) is connected with a positive electrode and a negative electrode of the filament (5).

3. The novel driverless LED filament lamp of claim 2, wherein pin 1 of the rectifier bridge DB1 is connected to a live AC input, pin 2 is connected to one end of the electrolytic assembly (8), pin 3 is connected to a neutral AC input, and pin 4 is connected to the other end of the electrolytic assembly (8).

4. The novel non-driven LED filament lamp according to claim 2 or 3, wherein the electrolytic component (8) comprises a filtering electrolytic C1, one end of the filtering electrolytic C1 is connected with the positive electrode of the filament (5) and is also connected with the pin 1 of the trimming bridge stack DB1, the other end of the filtering electrolytic C1 is connected with the negative electrode of the filament (5) and is also connected with the pin 4 of the trimming bridge stack DB1, and a discharge resistor R1 is arranged between the other end of the filtering electrolytic C1 and the pin 2 of the trimming bridge stack DB 1.

5. The novel non-driven LED filament lamp as claimed in claim 4, wherein a voltage dependent Resistor (RV) is connected in parallel with two ends of the filtering electrolyte C1, and a constant current device (D) is arranged between the other end of the filtering electrolyte C1 and the negative electrode of the filament (5).

6. The novel non-driven LED filament lamp according to claim 4, wherein a voltage dependent resistor RV is arranged between the pin 1 of the sorting bridge stack DB1 and the pin 3 of the sorting bridge stack DB1, and a constant current device D is arranged between the other end of the filtering electrolysis C1 and the negative electrode of the filament (5).

7. The novel non-driven LED filament lamp as claimed in claim 4, wherein a voltage dependent resistor RV is connected in parallel with two ends of the filtering electrolysis C1, and a constant current device D is sequentially arranged between the positive electrode and the negative electrode of the filament (5).

8. The novel non-driven LED filament lamp as claimed in claim 4, wherein a voltage dependent resistor RV is arranged between pin 1 of the sorting bridge stack DB1 and pin 3 of the sorting bridge stack DB1, and a constant current device D is sequentially arranged between the positive pole and the negative pole of the filament (5).

9. The novel driverless LED filament lamp of claim 2, wherein an FR fuse resistor is provided between pin 1 of the rectifier bridge DB1 and the live AC input.