CN203176801U - Reloading type LED lamp tube - Google Patents

Abstract

The utility model discloses a repacking formula LED fluorescent tube mainly contains a body, one has electric power return circuit and is equipped with a plurality of emitting diode's base plate, one has a first lamp cap and one locates first rectification group and one of the first rectification unit in the first lamp cap have a second lamp cap and one locate second rectification group of the second rectification unit in the second lamp cap. The utility model discloses a first rectification unit, second rectification unit and install in traditional lamp stand, need not consider the problem of installation directionality promptly to, when the part damages, the resource is saved to the part replacement of damage separately.

Description

Replaceable LED tube

technical field

The utility model relates to an LED fluorescent lamp tube, in particular to a non-installation-directional LED fluorescent lamp tube which is convenient for replacing parts, can be installed in a traditional lamp holder, and receives AC or DC power supply.

Background technique

The use of light-emitting diode tubes is becoming more and more popular, but because traditional fluorescent lamps are powered by AC power, LEDs are not suitable for AC power supply, and light-emitting diodes do not need starters and ballasts like traditional fluorescent lamps to drive. Therefore, if LEDs are installed in traditional fluorescent lamp sockets, not only should attention be paid to the directionality of LED tube installation, but also the AC power supply needs to be rectified into DC power supply first, and the starter and ballast need to be removed before installing LEDs. The light tube is actually quite troublesome and inconvenient.

As shown in FIG. 1 , there is a light-emitting diode lamp 1 aimed at the aforementioned deficiency. The light-emitting diode lamp 1 includes a lamp 11 , a lamp set in the lamp 11 and two pins 12 at both ends. The wick substrate 13, the two lamp caps 14 which are respectively arranged on both sides of the lamp tube 1 and have two holes 141 for the pins 12 to pass through, and a plurality of light emitting diodes 15 arranged on the wick substrate 13 are characterized in that , the two ends of the wick substrate 13 are respectively provided with a rectifier group 16, these rectifier groups 16 make the current flow through the light emitting diodes 15 in the same direction when the AC power supply is supplied, therefore, it is not necessary to consider the installation directionality during installation, and also save Eliminate the hassle of unplugging starters and ballasts.

The rectifier group 16 of the aforementioned improved LED lamp tube 1 is arranged on the wick substrate 13. When the LED 15 is worn out to the point where the wick substrate 13 must be replaced, the less easily damaged rectifier group 16 must be replaced together, which is wasteful. .

Utility model content

In view of the deficiency of the prior art, the purpose of the utility model is to provide a replaceable LED lamp tube which is convenient for replacement and installation.

In order to achieve the above purpose, the utility model provides a replacement LED lamp tube, which includes:

a tube;

a base plate, the base plate is arranged in the tube body, and the base plate has an electric circuit;

a plurality of light emitting diodes, these light emitting diodes are respectively arranged on the said substrate and are respectively electrically connected with the said power circuit;

A first rectification group, the first rectification group includes a first lamp cap arranged at one end of the tube body and a first rectification unit embedded in the first lamp cap, the first lamp cap There are two pins protruding outwards, the inner ends of these pins are respectively electrically connected to the first rectification unit, and the outer ends are respectively connected to the power supply. A first rectifier and a second rectifier connected in series;

A second rectification group, the second rectification group includes a second lamp cap arranged at the other end of the tube body and a second rectification unit embedded in the second lamp cap, the second The lamp cap is provided with two pins protruding outwards. The inner ends of these pins are respectively electrically connected to the second rectification unit, and the outer ends are respectively connected to the power supply. A third rectifier and a fourth rectifier connected in series in the circuit.

In the above replaceable LED lamp tube, the outer ends of the pins are further connected to a lamp holder to be electrically connected to the power supply.

In the above-mentioned replaceable LED lamp tube, an inductive ballast or an electronic ballast is connected between the lamp holder and the power supply, and the replaceable LED lamp tube further includes a filter connected in parallel with the power supply.

In the above replaceable LED lamp tube, the power supply is an AC power supply.

In the above replaceable LED lamp tube, the power supply is an AC power supply or a DC power supply.

In the above-mentioned replaceable LED lamp tube, wherein the first lamp cap and the second lamp cap are respectively provided with a plurality of cooling holes passing through, and the materials of the first lamp cap and the second lamp cap are anti- Flame retardant heat dissipation material.

In the above-mentioned replaceable LED lamp tube, wherein the first rectifying unit and the second rectifying unit are not in conduction with each other, the first rectifying element and the fourth rectifying element are set to conduct forwardly, and the first rectifying element The second rectifier and the third rectifier are set to conduct forwardly.

The above-mentioned replacement LED lamp tube, wherein the power circuit includes a first line and a second line connected in parallel, and the two ends of the light emitting diodes are respectively connected to the first line and the second line, and the first rectifier The element and the third rectifying element are connected to the first line, and the second rectifying element and the fourth rectifying element are connected to the second line.

In the above replaceable LED lamp tube, the first rectification unit and the substrate, and the second rectification unit and the substrate are electrically connected by welding or wires respectively.

In the above replaceable LED lamp tube, the first rectifying element, the second rectifying element, the third rectifying element and the fourth rectifying element are diodes or constant current diodes or FET transistors.

The effect of the utility model is that the first rectifying unit and the second rectifying unit are respectively arranged on the first lamp cap and the second lamp cap, therefore, when the light-emitting diode is damaged, only the substrate needs to be replaced, or when the first rectifying group or When the second rectifying group is damaged, only the first lamp cap or the second lamp cap needs to be replaced, so as to achieve the effects of no waste of resources, convenient installation and convenient replacement of parts.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Fig. 1 is a three-dimensional exploded view of an existing light-emitting diode lamp;

Fig. 2 is a perspective view of the implementation state of the utility model;

Fig. 3 is a three-dimensional exploded view of the implementation state of the utility model;

Fig. 4 is a perspective view of the first lamp cap (that is, the second lamp cap) of the utility model;

Fig. 5 is the connection schematic diagram of the electric circuit of the utility model;

Fig. 6 is a schematic diagram of the connection of the power circuit if the utility model is installed in a lamp holder with an external electronic starter.

Among them, reference signs

current technology

Light-emitting diode tube.1 Lamp tube.11

Pin.12 Wick Substrate.13

Lamp cap.14 Hole.141

Light-emitting diode.15 Rectifier group.16

The utility model

Tube body.2 Substrate.3

Power circuit.31 First line.32

Second line.33 LED.4

The first rectification group.5 The first lamp cap.51

Cooling hole.511 The first rectifier unit.52

Pin.53 First rectifier.54

The second rectification part.55 The second rectification group.6

The second lamp cap.61 cooling hole.611

Second rectifier unit.62 pin.63

The third rectifier.64 The fourth rectifier.65

Lamp holder.7 Power supply.8

filter.9

Detailed ways

In order to enable your examiner to further understand the features and technical content of the utility model, please refer to the following detailed description and drawings of the utility model. new restrictions.

Please refer to Fig. 2 to Fig. 5. The utility model is a replacement LED lamp tube, which is characterized in that the replacement LED lamp tube includes a tube body 2, and the material of the tube body 2 must be a light-transmitting full It is made of plastic or glass, and the tube body 2 is provided with a substrate 3, and the substrate 3 has a power circuit 31. The substrate 3 is provided with a plurality of light emitting diodes 4, and these light emitting diodes 4 are respectively arranged on the The substrate 3 is electrically connected to the power circuit 31 respectively.

Continuing, the utility model is mainly characterized in that it includes a first rectifying group 5 and a second rectifying group 6, and the first rectifying group 5 includes a first lamp cap 51 and A first rectifying unit 52 embedded in the first lamp cap 51, the first lamp cap 51 is provided with two pins 53 protruding outwards, and the inner ends of these pins 53 are connected with the first rectifying unit respectively. The unit 52 is electrically connected, and the outer ends are respectively connected to the power supply. The first rectifying unit 52 is electrically connected to the substrate 3 by welding or wires, wherein the first rectifying unit 52 includes a circuit connected in series with the power circuit 31. A first rectifying member 54 and a second rectifying member 55; the second rectifying group 6 includes a second lamp cap 61 located at the other end of the tube body 2 and a second lamp cap embedded in the second lamp cap 61 inside a second rectifying unit 62, the second lamp cap 62 is provided with two pins 63 that go out, the inner ends of these pins 63 are electrically connected with the second rectifying unit 62 respectively, and the outer ends are respectively Connected to the power supply, the second rectifying unit 62 is electrically connected to the substrate 3 by welding or wires, wherein the second rectifying unit 62 includes a third rectifying element 64 connected in series with the power circuit 31 and a For the fourth rectifying element 65 , the first rectifying element 54 and the fourth rectifying element 65 are set to conduct forwardly, and the second rectifying element 55 and the third rectifying element 64 are set to conduct forwardly.

As described above, the first rectifying unit 52 and the second rectifying unit 62 are respectively provided on the first lamp cap 51 and the second lamp cap 61, which improves the existing need to install the entire set of wick substrates 12 (Please refer to Figure 1) There is no replacement, so when the light-emitting diode 4 is damaged, or when the first rectification group 5 or the second rectification group 6 is damaged, only the damaged parts need to be replaced respectively, so as to achieve convenient replacement and no waste of resources Effect.

Another feature of the present invention is that the first to fourth rectifiers 54, 55, 64, 65 can be semiconductor elements such as diodes, constant current diodes or FET transistors to achieve the effect of rectification or current limiting, and as shown in the figure 3 and FIG. 4, the first lamp cap 51 and the second lamp cap 61 respectively have a plurality of cooling holes 511, 611 penetrating through, so that the convection in the tube body 2 is good, and the waste heat of these light emitting diodes 4 It is easier to dissipate, and both the first lamp cap 51 and the second lamp cap 61 use flame-resistant heat dissipation materials, which help to integrate the first rectifying unit 52 and the second rectifying unit 62 The generated waste heat is dissipated.

In the following, the circuit connection and operating principle of the preferred embodiment of the present invention will be further described with reference to FIG. 2 , FIG. 3 and FIG. 5 . The replacement LED lamp tube of the present utility model is installed on a lamp holder 7, and the lamp holder 7 can be connected to an AC or DC power supply 8 as a driving power supply. Generally speaking, the traditional lamp holder is connected to the mains ( AC power supply), and an external inductive ballast (not shown) or an electronic ballast (not shown) is usually provided between the traditional lamp holder and the power supply 8 .

Subsequently, the power circuit 31 on the substrate 3 is respectively connected to the power supply 8, the first rectification unit 52, the second rectification unit 62 and the light emitting diodes 4, wherein the power circuit 31 includes A first circuit 32 and a second circuit 33, the two ends of these LEDs 4 are respectively connected to the first circuit 32, the second circuit 33, the first rectifier 54 and the third rectifier 64 is disposed on the first line 32 , and the second rectifying element 55 and the fourth rectifying element 65 are disposed on the second line 33 .

When the power supply 8 is turned on, the current of the AC power source flows into the LEDs 4 from the second rectifier 55 and flows to the third rectifier 64, and then flows into the LEDs 4 from the first rectifier 54 and flows to the LEDs 4 in turn. The fourth rectifier 65 makes the light-emitting diode 4 continue to emit light through two forward-conducting and single-direction current paths. Therefore, when installing the utility model, there is no need to consider the directionality of the installation, and it has the effect of convenient installation.

Furthermore, if the utility model is installed with an external electronic ballast, the electronic ballast will generate high-frequency noise, resulting in an unstable light source. 8 is connected in parallel with a filter 9 (refer to Figure 6) to achieve the effect of filtering out high-frequency noise.

In summary, compared with the prior art, the utility model has the following advantages:

1. The installation of the utility model does not need to consider the directionality, which is convenient for installation.

2. The utility model can replace the base plate, the first lamp cap or the second lamp cap separately, which saves resources and is convenient for replacement.

3. The utility model has a good heat dissipation effect, so that the service life is longer.

Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present utility model.

Claims (10)

1. A replacement LED lamp tube, characterized in that, the replacement LED lamp tube comprises: a tube; a base plate, the base plate is arranged in the tube body, and the base plate has an electric circuit; a plurality of light emitting diodes, these light emitting diodes are respectively arranged on the said substrate and are respectively electrically connected with the said power circuit; A first rectification group, the first rectification group includes a first lamp cap arranged at one end of the tube body and a first rectification unit embedded in the first lamp cap, the first lamp cap There are two pins protruding outwards, the inner ends of these pins are respectively electrically connected to the first rectification unit, and the outer ends are respectively connected to the power supply. A first rectifier and a second rectifier connected in series; A second rectification group, the second rectification group includes a second lamp cap arranged at the other end of the tube body and a second rectification unit embedded in the second lamp cap, the second The lamp cap is provided with two pins protruding outwards. The inner ends of these pins are respectively electrically connected to the second rectification unit, and the outer ends are respectively connected to the power supply. A third rectifier and a fourth rectifier connected in series in the circuit. 2 . The replaceable LED lamp tube according to claim 1 , wherein the outer ends of the pins are further electrically connected to a power supply by connecting to a lamp holder. 3 . 3. The replaceable LED lamp tube according to claim 2, characterized in that an inductive ballast or an electronic ballast is connected between the lamp holder and the power supply, and the replaceable LED lamp tube is more A filter is included in parallel with the power supply. 4. The replaceable LED lamp tube according to claim 3, wherein the power supply is an AC power supply. 5. The replaceable LED lamp tube according to claim 1 or 2, wherein the power supply is an AC power supply or a DC power supply. 6. The replaceable LED lamp tube according to claim 1, characterized in that, the first lamp cap and the second lamp cap are respectively provided with a plurality of cooling holes through which the first lamp cap and the second lamp cap are connected. The material of the second lamp cap is flame-resistant and heat-dissipating material. 7. The replaceable LED lamp tube according to claim 1, characterized in that, the first rectifying unit and the second rectifying unit are not connected to each other, and the first rectifying element and the fourth rectifying unit The component is set to conduct forwardly, and the second rectifying component and the third rectifying component are set to conduct forwardly. 8. The replaceable LED lamp tube according to claim 1, wherein the power circuit includes a first line and a second line connected in parallel, and the two ends of the light emitting diodes are respectively connected to the first line and the second line. The second circuit, the first rectifier and the third rectifier are connected to the first circuit, and the second rectifier and the fourth rectifier are connected to the second circuit. 9. The replaceable LED lamp tube according to claim 1, wherein the first rectifying unit and the substrate, the second rectifying unit and the substrate are electrically connected by welding or wires respectively . 10. The replaceable LED lamp tube according to claim 1, wherein the first rectifying element, the second rectifying element, the third rectifying element and the fourth rectifying element are diodes or constant current diode or FET transistor.

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